37results about How to "Improve maintenance and replacement efficiency" patented technology

The invention discloses an easy-to-remove heat storage assembly of a heat storage combustion furnace. The easy-to-remove heat storage assembly comprises a heat accumulator, a grate and a hanging basket, wherein the hanging basket is hung to the grate, a storage groove is formed in the grate, the heat accumulator is put at the storage groove, fixed blocks are symmetrically connected to the oppositeside walls close to the bottom position of the heat accumulator, fixed grooves are formed in one end, which is far from the heat accumulator, of the fixed blocks, first springs are connected to the bottoms of the fixed grooves, fixed pins are connected to the other ends of the first springs, a clamping groove is formed in the corresponding wall of the storage groove, one end, which is far from the first springs, of the fixed pins extends outwards into the clamping groove, an abutting block is arranged in the clamping groove, a connecting rod is connected to one end, which is far from the fixed pins, of the abutting block, and one end, which is far from the abutting block, of the connecting rod penetrates through the bottom of the clamping groove and extends to the outer side of the grate.The easy-to-remove heat storage assembly has the advantages of the simple structure and convenience in operation, the heat accumulator is easily and conveniently removed from the grate, time and strength required by removal are saved, and the maintenance and replacement efficiency is improved.

The invention discloses a combined voltage transformer with a zero-sequence voltage output function, which comprises a double-voltage-transformer combination formed by connecting two voltage transformers in a V-V wiring mode. Each phase of high-voltage input end of the double-voltage-transformer combination is connected with a capacitive voltage divider; the capacitive voltage divider is connectedwith one end of the output capacitor through a circuit; the other end of the output capacitor is a zero potential end; the output capacitor is connected with the input end of an adjusting module in parallel, the adjusting module can adjust and compensate the voltage of the output capacitor; and the output end of the adjusting module is a zero sequence voltage signal output end. The combined voltage transformer with the zero-sequence voltage output function has the advantages that the three-phase capacitive voltage divider is introduced into the voltage transformer combination connected in a V-V wiring mode, so that the double-voltage-transformer combination can provide zero-sequence voltage signals on the premise that the boundary dimension is kept unchanged, the structure is simple, theoccupied space is small, and the manufacturing cost is low; the breakdown fault probability is low, early warning can be performed in time, and the maintenance and replacement efficiency is very high.

The invention discloses a casting machinery sand mixing device with the good sand discharge effect and specifically relates to the technical field of casting machinery. The casting machinery sand mixing device with the good sand discharge effect comprises a box. A grinding mechanism is fixedly mounted on the top of the box. A dust removal mechanism is connected to the other side of the top of thebox. An inner shell is fixedly connected to an inner cavity of the box. A screening mechanism is arranged at the bottom of the inner shell. One side of the inner shell is connected with a feed hopper.The bottom of the inner shell is connected with an inner discharge pipe. The bottom of the inner discharge pipe is connected with an electric gate plate. The lower portion of the inner cavity of thebox is fixedly connected with a sand mixing box. The bottom of the sand mixing box is provided with a second motor. Through arrangement of a grinding block and a screen plate, the casting machinery sand mixing device can effectively screen out big particles in a sand mold raw material. Stirring rods rotate to mix the sand mold material. The mixing fineness of the sand mold raw material is effectively improved through grinding and screening of the sand mold raw material. Compared with the prior art, the casting machinery sand mixing device with the good sand discharge effect has the advantagesof remarkably increasing the rate of finished products of the casting machinery and meeting the use requirements.

The invention belongs to the technical field of motors, and particularly relates to a motor and a motor assembly. The assembly includes a commutator, a plurality of dovetail clamping grooves are uniformly formed on the circumferential outer wall of an insulating cylinder, and dovetail inclined blocks are fixed on the bottom end surfaces of the plurality of commutator segments, and are inserted into the dovetail clamping grooves in a sliding manner. The length of each dovetail inclined block is smaller than that of each dovetail clamping groove, and a limiting stop block is arranged at the endof each dovetail clamping groove. One end part of the insulating cylinder is provided with an insulating blocking cover, and the inner side surface of the insulating blocking cover is uniformly provided with a plurality of dovetail clamping blocks. The multiple dovetail clamping blocks are inserted into the dovetail clamping grooves in a sliding mode, and the side end faces of the dovetail clamping blocks make contact with the dovetail inclined blocks in an attached mode. A plurality of stepped threaded holes are uniformly formed in the insulating blocking cover and penetrate through the dovetail clamping blocks to be coaxial with the threaded groove holes, and hexagon socket screws are arranged in the stepped threaded holes. According to the present invention, the abraded and damaged commutator segments can be replaced independently, and the maintenance and replacement efficiency of the commutator segments of the commutator is improved.

The invention discloses a novel embedded wire winding mechanism based on a 3D printing technology. The novel embedded wire winding mechanism comprises a supporting framework, a first motor, a wire spool, a first mounting plate, a mounting framework, a fixing block, a worm, supporting legs, a base, a first bearing seat, a fixing plate, a worm gear, a first fixing seat, a first belt, a second bearing seat, a second belt, a second mounting plate, a second sliding block, springs, a second motor and a second fixing seat. According to the novel embedded wire winding mechanism based on the 3D printing technology, clamping arms are driven to move along second fixing rods through elastic force of springs, the distance between the clamping arms can be adjusted according to the thickness of a wire rod, the worm and gear are rotated to drive a second lead screw to move in the vertical direction of the fixing block, and therefore, the distance between a first conical head and a second conical headis adjusted, and rapid mounting and fixation of the wire spool is realized; and most parts of the wire spool are produced with the 3D printing technology, the weight and the production cost of the device are greatly reduced, and meanwhile, the maintenance and replacement efficiency is improved.

The invention discloses an environment-friendly fabricated energy-saving plate wall system. The environment-friendly fabricated energy-saving plate wall system comprises a building curtain wall fabricated by a plurality of wall plates and a plurality of metal keels used for supporting the building curtain wall, a broken hot and cold bridge aluminum profile is fixed to each edge wall of the wall plates, a plurality of sets of fasteners are arranged between the broken hot and cold bridge aluminum profiles of the adjacent wall plates, mounting spaces used for fabricating the metal keels are formed between the adjacent broken hot and cold bridge aluminum profiles, and the adjacent broken hot and cold bridge aluminum profiles and the metal keels are mutually fastened through fasteners. By adopting a wall face formed by fabricating and assembling the multiple independent wall plates and the metal keels, each wall plate can be demounted independently, and thus the wall plate maintenance and replacement efficiency is greatly improved; and both an inner panel and an outer panel adopt an anti-falling reverse-fastening technology, thus the safety performance of the outer surface is greatly improved, the single wall plate is connected through the broken hot and cold bridge aluminum profile structures, the heat-insulation and energy saving effects are good, and meanwhile, good fire protection performance is achieved.

The invention relates to the technical field of displacement sensors, and discloses a high-precision differential linear displacement sensor, which comprises a sensor body, the sensor body comprises ajunction box and a measuring rod, the outer side of the sensor body is sleeved with a main protective sleeve, and a plurality of groups of uniformly distributed first springs are fixedly arranged inthe main protective sleeve, the ends, away from the main protective sleeve, of the same set of first springs are fixedly connected with the side wall of the sensor body, the left end of the main protective sleeve is sleeved with an auxiliary protective sleeve, and sliding blocks are fixedly connected to the right sides of the upper and lower ends of the inner side wall of the auxiliary protectivesleeve. The differential linear displacement sensor can be subjected to anti-collision protection, precision reduction or damage of the differential linear displacement sensor due to falling and collision is avoided, meanwhile, the wiring end of the differential linear displacement sensor can be conveniently separated from an external wire, and the maintenance and replacement efficiency is high.

The invention relates to a water spraying loom battening shaft waterproof ring. The ring is used in cooperation with a battening shaft, a bearing shell seat and a bearing shell; the ring has the advantages of simple structure and low manufacturing cost, components are of split semi-circular structures, and are mounted on the bearing hell seat, and the ring is convenient to maintain and disassemble; an outer ring main frame tightly fits a bearing shell seat mounting groove, a waterproof ring does not rotate with a battening shaft, and is static relative to the bearing shell seat to prevent water from entering the joint between the waterproof ring and the bearing shell seat, an inner ring is provided with oil sealing lips on both sides and an intermediate oil groove to form triple waterproofprotection, and the waterproof ring is highly waterproof; at least one opening is formed in the inner side oil sealing lips to provide convenience for the extrusion of inner bearing shell lubricatinggrease in a substantially uniform state, the lubrication of a bearing shell structure is not affected, and the waterproof efficiency is improved. The waterproof ring enables the battening shaft bearing shell structure to be used normally for a long time in a water bath environment, and is easy to maintain.

The invention discloses a hoisting maintenance device and a wind driven generator and belongs to the technical field of wind power generation. The hoisting maintenance device comprises a supporting mechanism, a guiding mechanism, a rotating mechanism and a hoisting assembly. The guiding mechanism comprises a cross beam and a longitudinal beam; the rotating mechanism is rotatably connected to the guiding mechanism; and the hoisting assembly is used for hoisting a to-be-hoisted part along a vertical direction and can slide on the guiding mechanism and the rotating mechanism. The hoisting maintenance device arranged in a cabin of the wind driven generator not only can hoist damaged parts in the cabin of the wind driven generator and new parts out of the cabin anytime as needed for improving the maintenance and replacement efficiency favorably, but also is not affected by external weather conditions during hoisting, so that the hoisting maintenance device further can meet the using demands. In addition, the hoisting maintenance device is provided with the hoisting assembly sliding on the guiding mechanism and the rotating mechanism, so that the hoisting range is enlarged and the universality is improved.

The invention discloses a grouping display hard disk module that comprises a plurality of system disks, a plurality of data disks and a plurality of cache disks which are in signal interconnection; classification indicating lamps are arranged on the outer walls of disk bodies of the system disks, the data disks and the cache disks respectively, and colored light displayed by the classification indicating lamps corresponding to the system disks, the data disks and the cache disks is different from each other. Thus, maintenance personnel can quickly distinguish the types of the hard disks according to the types of the colored lights through the colored lights with different colors emitted by the classification indicator lights, so that the hard disks with the same colored light are classified into the same type, and meanwhile, the specific types of the current hard disks are judged by utilizing the preset one-to-one correspondence relationship between the colored lights and the hard disktypes. Therefore, maintenance personnel can quickly and accurately distinguish the types of the hard disks in the hard disk module, and the maintenance, replacement and replacement efficiency of thehard disks and the interconnection efficiency of cables between the hard disks are improved. The invention further discloses a grouping display server group, and the beneficial effects of the groupingdisplay server group are as mentioned above.

The invention relates to a clamping device of a lathe, and particularly relates to a hobbing clamp for an intermediate shaft. The hobbing clamp comprises a base and a chuck seat, wherein the base is detachably connected with the chuck seat; a through hole is formed in the chuck seat; a mounting sleeve is arranged in the through hole; an elastic sleeve is fixed at one end of the mounting sleeve andadopts a structure with a large upper part and a small lower part; a mounting hole is formed in the base; a tip is arranged in the mounting hole and fixed with the mounting hole in an expansion manner; a groove is formed in one side, connected with the chuck seat, of the base; a connecting seat is arranged in the groove; a pull rod hole is further formed in the base; a pull rod is arranged in thepull rod hole; one end of the pull rod is fixed with the connecting seat; and an avoidance space allowing the connecting seat to move back and forth along the axis of the mounting hole is formed in the groove. The base is not required to be dismounted from the lathe, so that the tip maintenance and replacement efficiency is improved, and the intermediate shaft gear machining efficiency is furtherimproved.

The invention discloses a wet desulphurization tower demister capable of preventing reactant residues, and relates to the technical field of wet desulphurization tower demisters. The wet desulphurization tower demister capable of preventing reactant residues comprises a first sheet bar, a second sheet bar and at least two waveform blades arranged between the first sheet bar and the second sheet bar, and at least one clamping strip is clamped at the top and the bottom of each of the two wave-shaped blades through clamping mechanisms. According to the demister, a connecting mechanism composed ofan inserting assembly and a fastening assembly is arranged, rapid inserting connection between the waveform blades and the first and second sheet bars can be achieved, rapid assembling of the demister is facilitated, the assembling efficiency of the demister is effectively improved, and rapid use of the demister is facilitated; and in addition, the demister can be quickly disassembled, so that the demister is convenient to maintain and replace, the maintenance and replacement efficiency of the demister is effectively improved, and normal use of the demister is ensured.

The invention discloses a segment type multistage centrifugal pump. The segment type multistage centrifugal pump comprises a housing, the housing is composed of a discharge-end fixation frame, a suction-end fixation frame and an arc connecting block, one end of the discharge-end fixation frame is provided with the arc connecting block, the end, which is away from the discharge-end fixation frame, of the arc connecting block is provided with the suction-end fixation frame, the outer side of the arc connecting block is sleeved by a semicircular protective cover casing, one side of the discharge-end fixation frame is provided with a drain pipe, and one side of the suction-end fixation frame is provided with a suction pipe. According to the invention, a centrifugal pump body is prevented from being completely dismounted and maintained during maintenance, the installation dismounting speed of the centrifugal pump is improved, a rotating shaft and impellers of the centrifugal pump are arranged in a segment butt joint manner, during the maintenance, what is needed is only to take out damaged rotating shaft and impellers from the inside of the housing for replacement, the maintenance replacement efficiency of the centrifugal pump is improved, the dismounting quantity of parts inside the centrifugal pump is reduced, the installation precision is prevented from being reduced due to repeated dismounting of the parts inside the centrifugal pump, and the performance of the centrifugal pump is guaranteed.

The invention discloses a bus groove capable of being fast dismounted.Through holes used for connecting a flame-retardant separation plate is arranged on each connecting plate; the connecting plates are driven to move through moving one ends, located outside a first groove, of the moving plates; under the effect of a spring, the first connecting plates are located outside the first groove; the through holes in the connecting plates are moved to a position outside the side plate of the bus groove; one end, connected with the bus groove side plate, of the flame-retardant separation plate is provided with a second groove corresponding to corresponding through holes in the two connecting plates; screw threads are formed in the second groove and the through holes; after the connecting plates are pulled out, screw rods with screw threads penetrate through the through holes to be fixedly connected with the second groove; after the connection, the connecting plates slide into the first groove,so that the flame-retardant separation plate is fixed onto the bus groove side plate. The invention has the advantages that under the condition of effectively improving the repair and replacement efficiency, the intensity of the bus groove per se cannot be influenced; the use is more convenient; the long-time use is convenient.

The invention discloses an intelligent LED street lamp module, which includes a frame body, a transparent plastic layer is arranged on the outer front of the frame body, a luminous material layer is arranged inside the transparent plastic layer, and a stepped structure is formed on the front side of the frame body. The frame of the second step of the step structure is equipped with an LED module. The power cord of the LED module is located inside the frame. The power cord is electrically connected to the power supply cable. The power supply cable includes two power supply circuits. One of the power supply circuits of the cable is electrically connected, and the space corresponding to the LED module inside the frame is filled with silicone sealant; the invention also discloses a construction method of an intelligent LED street lamp module, which is convenient for installation and saves the circuit In the wiring link, the LED street light module has a good luminous effect. The LED street light module can play the role of guiding lights while illuminating the road surface. At the same time, it also has the role of road shoulder stones as a whole. It is convenient for daily cleaning and maintenance, and the maintenance and replacement efficiency is high.

The invention discloses a novel efficient and anti-creeping bus duct. Through holes for connecting a flame retardant partition plate are formed in connecting plates, each through hole is internally provided with a screw thread, the connecting plates are driven to move by moving the ends, outside first grooves, the connecting plates, under the effect of springs, the connecting plates are arranged outside the first grooves, and the through holes in the connecting plates are moved to the outsides of bus duct side plates; second grooves corresponding to the through holes correspondingly in the twoconnecting plates are formed in the end, connected with the bus duct side plates, of the flame retardant partition plate, a rotating plate is arranged on each second groove, the upper end of each rotating plate can rotate inside the corresponding second groove along the straight line of the axis of the corresponding second groove, the lower end of each rotating plate is connected with the upper end of the corresponding connecting plate, a screw thread corresponding to each through hole is arranged at the lower end of the corresponding connecting plate, each connecting plate is rotatably connected into the corresponding through hole through the corresponding screw thread, after the connection is finished, the connecting plates slide into the first grooves, and the flame retardant partitionplate is fixed onto the bus duct side plates. When the device can be quick and convenient to maintain and replace during maintenance and replacement, and the using efficiency is higher.

The invention provides a computer component overturning device. The device comprises a fixed box, an overturning frame, a lifting device and a clamping device, two bent plates are arranged on one sideedge of the fixed box; the overturning frame is arranged between the two bending plates in an overturning manner; the lifting device is arranged on the inner wall of the fixed box; the lifting deviceis used for pushing one end of the overturning frame to be separated from the fixed box; the clamping device comprises rotating pieces fixed to the two sides of the overturning frame, clamping stop pieces arranged on the bending plate, and springs abutting against the side faces of the clamping stop pieces. One end of the clamping stop piece is provided with a stop end, the rotating piece is provided with a step face, and the stop end abuts against the step face to limit the turnover frame to turn over within the range of 90 degrees. According to the computer assembly turnover device, the turnover angle of the turnover frame is limited, and the turnover frame can be stably fixed when rotated into the fixing box.

The invention provides a mounting assembly for a power distribution electric appliance, and the mounting assembly comprises a first installation seat which is disposed on a guide rail; and a second mounting base which is provided with a power distribution electric appliance, wherein the second mounting base is slidably mounted on the first mounting base through a sliding rail structure, and the moving direction of the second mounting base is perpendicular to the extending direction of the guide rail. Installation personnel adopt a sliding connection mode. Compared with the mode that in the prior art, an adjacent power distribution electric appliance needs to be disassembled, disassembly and assembly are faster and more convenient, the maintenance and replacement efficiency is improved, andthe maintenance and replacement cost is reduced.

The invention discloses a modular safety deploying and controlling device which belongs to the field of safety management equipment, the modular safety deploying and controlling device comprises an assembling box. A power supply, a host, a switch, a wiring board and an alarm are arranged in the assembly box; a wall groove is formed in the front wall of the assembly box; the bottom wall of the wallgroove is of a transverse arc-shaped structure; the bottom wall of the wall groove is detachably connected with a radar assembly. A plurality of first connecting parts are distributed on the bottom wall of the wall groove in the transverse direction; a second connecting part is arranged on the radar assembly; the second connecting parts are connected with different first connecting parts so thatthe transverse position of the radar assembly on the bottom wall of the wall groove is adjustable; a camera assembly is arranged above the assembly box, a rotary locking mechanism for driving the camera assembly to rotate and lock is arranged between the camera assembly and the assembly box, and by changing the structure of the assembly box and the installation mode of the radar and the camera onthe assembly box, the angle adjustment of the radar and the camera is simple, convenient and rapid, and the working efficiency is improved.

The invention discloses a novel bus duct convenient to use. A bus duct body includes a flame-retardant partition plates provided with a plurality of square holes, and conducting wire partition platespenetrating through the square holes and vertically connected to the flame-retardant partition plate. A first placement groove is disposed between two adjacent square holes on the flame-retardant partition plate; a plurality of second placement grooves are disposed on the first placement groove; rotatable pulleys are disposed in the second placement grooves; the axis of each of the pulleys is parallel to a plane of the flame-retardant partition plate; the diameter of each of the pulleys is the same as the distance between the adjacent two square holes; and when the conducting wire partition plates are inserted into the square holes, the conducting wire partition plates are in contact with side surfaces of the pulleys, and the pulleys are driven by the conducting wire partition plates to rotate. When the device is used, the novel bus duct is more convenient to quickly and conveniently insert the conducting wire partition plates into the square holes and can be effectively fixed after being stuck in, without affecting usage.

The invention belongs to the technical field of chromatographic instruments, and particularly relates to a liquid chromatograph enrichment column. The column comprises a column body, a pipe body and a connecting cover, fixing mechanisms are arranged above the left side and the right side in the column body, first buckles are connected to the left side and the right side of the bottom of the connecting cover, the first buckles are inserted into the fixing mechanisms, and the connecting cover is fixed to the top of the column body through the first buckles. The top of the pipe body is connected with the bottom of the connecting cover, a liquid inlet pipe is arranged in the middle of the top of the connecting cover and communicated with the pipe body, an inserting groove is transversely formed in the upper portion of the pipe body, a filter plate is inserted into the inserting groove, a fixing block is connected to the right side of the filter plate, and clamping grooves are transversely formed in the upper portion and the lower portion of the right side of the inserting groove. The connecting cover is more quickly and conveniently detached from the column body through the fixing mechanism, so that parts on the pipe body are replaced, the time is saved, the maintenance and replacement efficiency is improved, a filter layer arranged in the filter ring can retain strongly-retained substances in liquid in the filter layer, the filter effect is better, and the pollution of strongly reserved substances to the chromatographic column is avoided.

The invention provides a rapid maintenance and replacement system for a fan of an electrical cabinet, and belongs to the field of electrical cabinet matching maintenance. The rapid maintenance and replacement system involves a cabinet body, the fan and a maintenance vehicle; the fan is provided with connector racks, the cabinet body is provided with connector gears, and the fan is inserted and externally hung on the side surface of the cabinet body through the matching between the racks and the gears; an air channel is arranged inside the cabinet body, and airflow is guided into the cabinet body through the air channel for heat dissipation; the maintenance vehicle comprises a handrail and a vehicle plate, vertical rods are arranged on the vehicle plate, a supporting frame is slidably connected to the vertical rods, and maintenance vehicle racks matched with the connector gears are arranged at the front end of the maintenance vehicle; and when the fan of the electrical cabinet is maintained and replaced, a new fan is placed on the supporting frame, the maintenance vehicle is aligned with a fan connector of the cabinet body and pushed forwards, the maintenance vehicle racks act on the connector gears, the connector gears rotate to reversely push the old fan out of the cabinet body, the new fan descends and pushes the old fan away from the cabinet body, then the maintenance vehicle is pulled backwards, and the new fan is inserted into the cabinet body under the driving of the connector gears. The rapid maintenance and replacement system for the fan of the electrical cabinet can achieve rapid maintenance and replacement of the fan.

The invention relates to a material taking machine and a material taking wheel bucket. The material taking wheel bucket comprises a body, a front end lug plate, a first pin shaft, a first nut and a first anti-falling piece. When the material taking wheel bucket needs to be arranged on a bucket wheel disc, the first pin shaft penetrates through a first mounting hole and a lug hole, so that a firstlimiting flange of the first pin shaft abuts against a fixed beam; and the first nut is arranged at the other end of the first pin shaft in a sleeving mode, so that the front end lug plate is connected with the fixed beam of the bucket wheel disc, then the first anti-falling piece is inserted into a first anti-falling hole, and the first nut is prevented from loosening and falling off from the first pin shaft. In addition, if the material taking wheel bucket needs to be replaced, the first anti-falling piece is disassembled firstly, then the first nut is disassembled from the first pin shaft,and the first pin shaft is pulled out. Due to the fact that the diameter of the first pin shaft is smaller than the hole diameter of the first mounting hole, the first pin shaft can be conveniently disassembled from the material taking wheel bucket, the maintenance and replacement efficiency can be improved, meanwhile, the normal use of the material taking wheel bucket is not influenced, and the material taking wheel bucket can be prevented from falling off.

The invention discloses a hinged-type dumper power transmission system. The hinged-type dumper power transmission system comprises a power assembly arranged at the front end of a dumper frame assemblyand a transmission system body connected with the dumper frame assembly, and the power assembly comprises an air filter, an engine air inlet pipe, a turbo-supercharger, an intercooler air inlet pipe,an intercooler, an intercooler air outlet pipe, a butterfly valve, an engine air discharging pipe, a silencer, a heat dissipater water inlet pipe, a heat dissipater assembly, a heat dissipater wateroutlet pipe, an engine body and a fuel oil tank. The transmission system body comprises a gearbox, a front axle assembly, a transfer case, a hinging body, a middle axle assembly, a rear axle assembly,a gearbox-transfer case transmission shaft, a transfer case-front axle transmission shaft, a transfer case-hinging body transmission shaft, a hinging body-middle axle transmission shaft, a middle axle-rear axle transmission shaft, an oil heat dissipater water inlet pipe, an oil heat dissipater oil inlet pipe, an oil heat dissipater, an oil heat dissipater water outlet pipe and an oil heat dissipater oil outlet pipe. The hinged-type dumper power transmission system provided by the invention is simple in structure, high in reliability, convenient to repair and maintain, rapid in repairing and maintaining, and high in power transmission efficiency.

The invention discloses a device and method for moving equipment in a wind power generation tower. The device comprises a horizontal I-shaped steel hanging beam, wherein main supporting columns are detachably installed at two ends of the bottom surface of the horizontal I-shaped steel hanging beam through bolts, a hoisting mechanism is movably installed on the horizontal I-shaped steel hanging beam, bases are detachably installed on the bottom surfaces of the two main supporting columns through bolts, and universal wheels are installed at two ends of the bottom surfaces of the bases. The device is simple and reasonable in structural design, low in cost, capable of being customized according to actual conditions and high in flexibility. When equipment in the tower drum is maintained and replaced, it is not needed that one mobile device is arranged on each piece of equipment, so that the operation cost is greatly reduced; and meanwhile, the moving device is convenient to mount and dismount and flexible to operate, the maintenance and replacement time of equipment in the tower is effectively saved, and therefore the maintenance and replacement efficiency of the equipment in the tower is effectively improved.

The invention relates to a combined adjustable cable support. The combined adjustable cable support comprises a fixing part and at least one group of support parts, wherein the fixing part comprises a cross rod, nuts and a deformation alarm; the deformation alarm comprises a deformation sensor, a power supply, a controller, an alarm and a casing; the deformation sensor is mounted in the middle of the cross rod; the power supply and the controller are mounted in the casing; the alarm is mounted outside the casing; the deformation sensor, the power supply and the alarm are electrically connected with the controller; each support part comprises a hanging rod support, a cable support and a sleeve; the cable support comprises a supporting plate and reinforcing ribs; a mounting hole is formed in one end of the supporting plate, and a blocking column is arranged on one surface of the supporting plate; an insertion hole is formed in the side surface of the sleeve; the supporting plate is fixed in the insertion hole through a plug pin; a positioning hole is formed in the sleeve; fixing holes of a mounting positioning pin and a spring are formed in the side surface of the sleeve; the hanging rod support comprises a vertical rod and a base plate with an adjusting hole; external threads are formed at the upper end of the vertical rod, and internal threads are formed at the lower end of the vertical rod. The combined adjustable cable support can effectively solve the problems that the angle adjustment of the cable support is inflexible, and increasing cable supports during the later period is difficult.

The invention provides a computer component overturning device. The device comprises a fixed box, an overturning frame, a lifting device and a clamping device, two bent plates are arranged on one sideedge of the fixed box; the overturning frame is arranged between the two bending plates in an overturning manner; the lifting device is arranged on the inner wall of the fixed box; the lifting deviceis used for pushing one end of the overturning frame to be separated from the fixed box; the clamping device comprises rotating pieces fixed to the two sides of the overturning frame, clamping stop pieces arranged on the bending plate, and springs abutting against the side faces of the clamping stop pieces. One end of the clamping stop piece is provided with a stop end, the rotating piece is provided with a step face, and the stop end abuts against the step face to limit the turnover frame to turn over within the range of 90 degrees. According to the computer assembly turnover device, the turnover angle of the turnover frame is limited, and the turnover frame can be stably fixed when rotated into the fixing box.

The invention discloses a signal command device for intelligent traffic. The invention relates to the technical field of signal command devices. The device comprises a stand column and a three-color lamp box, a driving mechanism is arranged in the stand column; the driving mechanism comprises a first chain wheel, a second chain wheel, a third chain wheel, a fourth chain wheel, a chain and a driving motor; a vertical moving open groove is formed in a vertical beam; a transverse moving open groove is formed in a cross beam, a first power connection block is embedded in the three-color lamp box,a second power connection block connected with the first power connection block in an abutting mode is arranged in the cross beam, a positioning mechanism is arranged on the three-color lamp box, andthe positioning mechanism comprises a positioning cavity, a double-end motor, a first bevel gear, a second bevel gear, a rotary positioning sleeve and a positioning column. The signal command device can well achieve the application, maintenance, replacement and repair of the three-color lamp box, is convenient to use and high in maintenance and replacement efficiency, does not greatly influence the normal passing of vehicles, and is practical, safe and reliable.

The present invention relates to apparatus and method of the gate valve with a pressure change with pressure wellhead valve replacement means comprising a screw shaft, slip assemblies, the cylinder, the sealing sleeve, the outer sleeve, the spindle nut, hydraulic valves and fittings, wherein the card tile assembly and a hydraulic cylinder is fitted over the front section of the optical axis of the threaded shaft portion, a rear cylinder by a sealing gland; rear portion of the screw shaft by the threaded section has an outer sleeve set screw nut, is fixed by the lock nut, the inner and the outer sleeve has a shape adapted to clamp connection; length of the central threaded shaft provided with a through hole in a hydraulic, fixed to the screw shaft by the rear end of the hydraulic valves and fittings external pressure pump; hydraulic radial hole provided communicating the hydraulic cylinder into the hole.The method is by cutting off the pressure oil from the wellhead to achieve the purpose of the replacement valve under pressure.The present invention is simple structure, low manufacturing cost, simple operation, can save a lot of manpower and resources, to improve the efficiency of maintenance and replacement, and does not affect the normal oil production.

The invention discloses a novel bus duct convenient to use. A bus duct body includes a flame-retardant partition plates provided with a plurality of square holes, and conducting wire partition platespenetrating through the square holes and vertically connected to the flame-retardant partition plate. A first placement groove is disposed between two adjacent square holes on the flame-retardant partition plate; a plurality of second placement grooves are disposed on the first placement groove; rotatable pulleys are disposed in the second placement grooves; the axis of each of the pulleys is parallel to a plane of the flame-retardant partition plate; the diameter of each of the pulleys is the same as the distance between the adjacent two square holes; and when the conducting wire partition plates are inserted into the square holes, the conducting wire partition plates are in contact with side surfaces of the pulleys, and the pulleys are driven by the conducting wire partition plates to rotate. When the device is used, the novel bus duct is more convenient to quickly and conveniently insert the conducting wire partition plates into the square holes and can be effectively fixed after being stuck in, without affecting usage.