151results about How to "Act as a stabilizing support" patented technology

The invention discloses a solar thermal power high-temperature long shaft molten salt pump. The solar thermal power high-temperature long shaft molten salt pump comprises a pump shaft, a hydraulic part, a supporting vibration reduction structure, a fluid seal structure and a bearing cooling device are sequentially arranged on the pump shaft from bottom to top, a suction segment is arranged at the front end of the hydraulic part, a blade grid type filter is arranged on the front end of the suction segment, a tail stage flow guide shell is arranged at the tail end of the hydraulic part, the tail end of the tail stage flow guide shell and the front end of a supporting pipe of the supporting vibration reduction structure are fixedly connected, and the tail end of the supporting pipe of the supporting vibration reduction structure is fixedly connected with the bottom of the outlet segment of the fluid seal structure through a flange plate. The solar thermal power high-temperature long shaft molten salt pump is designed to be in the center flow-out manner, thermal expansion uniformity under the high-temperature state can be ensured, through solution schemes of reliable fluid seal design, reasonable cooling structures, flange type expansion joint vibration reduction configuration and the like, safe, reliable and efficient running of the solar thermal power high-temperature long shaft molten salt pump is ensured, and meanwhile, various property indexes are met.

The invention relates to the field of geriatric rehabilitation training equipment, and particularly relates to rehabilitation training equipment applied to ageing resistance of legs and feet of old people. The rehabilitation training equipment comprises a bedstead; the bedstead is fixedly provided with sliding rods; a fixed seat stand is fixedly arranged at one ends of the sliding rods; a seat plate is fixedly arranged on the fixed seat stand; a backrest capable of regulating an angle is arranged on the seat plate; the other ends of the sliding rods are in sliding connection with a sliding seat; brackets are fixedly arranged on the sliding seat; a flat plate is fixedly arranged at the upper ends of the brackets; the flat plate is hinged with pedals; bandages are fixedly arranged on the pedals; a speed limiting mechanism is arranged on the sliding seat; the speed limiting mechanism can be connected with the sliding rods; a wooden support is arranged between the fixed seat stand and thesliding seat; the wooden support is respectively in hinged connection with the fixed seat stand and the sliding seat by two pulling rods; massage mechanisms are arranged at the middle parts of the pulling rods; and the massage mechanisms are connected with the middle part of the bedstead by pulling ropes. The rehabilitation training equipment applied to ageing resistance of legs and feet of old people implements training on legs of old people so as to improve strength of legs of old people and improve functionality, thereby taking an anti-ageing effect.

The invention discloses an automobile body framework which comprises a front compartment framework, a battery pack compartment framework, a tail compartment framework and top cover beams. The rear end of the front compartment framework is fixedly connected with the front end of the battery pack compartment framework. The rear end of the battery pack compartment framework is fixedly connected with the front end of the tail compartment framework. The front end of each top cover beam is fixedly connected with the front compartment framework and the rear end of each top cover beam is fixedly connected with the tail compartment framework. A battery pack compartment front cross beam and a battery pack compartment rear cross beam are arranged in the middle rear portion of the battery pack compartment framework. Each of the two sides of the battery pack compartment framework is provided with an outer longitudinal beam and an inner longitudinal beam. The two ends of each outer longitudinal beam and the two ends of each inner longitudinal beam are fixedly connected with the battery pack compartment front cross beam and the battery pack compartment rear cross beam. Each inner longitudinal beam is located on the inner side of the corresponding outer longitudinal beam. One end of each inner longitudinal beam inclines towards one end of the corresponding outer longitudinal beam. An acute angle is formed between each inner longitudinal beam and the corresponding outer longitudinal beam. A fixing frame is formed by the inner longitudinal beams on the two sides, the battery pack compartment front cross beam and the battery pack compartment rear cross beam. The mass of a whole automobile is small, the arrangement optimization of a battery pack is guaranteed, and danger caused by collisions is avoided.

The invention discloses a horizontal pipeline centrifugal pump with a multi-directional output function. The horizontal pipeline centrifugal pump with the multi-directional output function comprises a pump body, a motor and a chassis. The motor is connected with the pump body. The pump body is provided with a water inlet and a water outlet. A water draining pipe is arranged in the water outlet. A distributing and delivering mechanism is connected to one end of the water draining pipe. A fixing plate is arranged on the chassis. The pump body and the motor are arranged on the fixing plate. A vibration reducing and supporting mechanism is arranged between the fixing plate and the chassis. The multi-directional distributing and delivering effects are achieved through the distributing and delivering mechanism, the liquid delivering efficiency is improved, the utilization rate of the pump is increased, and the horizontal pipeline centrifugal pump is high in practicability and adaptability, simple in structure, flexible in connection and convenient to assemble and disassemble; the problem of lower efficiency caused by one-direction liquid delivery of a horizontal pipeline centrifugal pump is solved; the additionally arranged vibration reducing and supporting mechanism not only achieves the effect of stable supporting, but also can dissipate reactive force generated during operation of the pump body, the overall stability of the pump is improved, and normal liquid delivery is guaranteed.

The invention relates to a non-damage automatic treatment device for a building wall surface. The non-damage automatic treatment device comprises a supporting device, a cleaning side plate and a cleaning device, wherein the cleaning side plate is installed at the top of the supporting device, and the cleaning device is installed on the left side surface of the cleaning side plate; the supporting device comprises a supporting bottom plate, walking wheels, a supporting bracket, a pressing push rod, a pressing plate, a pressing suction cup, a supporting hydraulic cylinder and a supporting top plate. The non-damage automatic treatment device can solve the existing problems that when broken tiles on a wall are removed, dangers exists when the tiles are cut manually, the tiles after being cut are difficult to recycle, the tiles need to be marked out first, the cutting depth of the tiles is difficult to be accurately controlled, the cut tiles after being cut need to be manually hooked up, andmanually picking of the cut tiles after being cut is prone to scratching hands. The non-damage automatic treatment device can realize the functions of stably supporting the broken tiles on the wall surface, cutting, drilling and sucking the broken tiles, and recycling the sucked tiles.

The invention relates to a rotary self-propelled mixing jet bit with cutting wing ribs, and the rotary self-propelled mixing jet bit is applied to well drilling of a hydraulic jet radial horizontal well. The rotary self-propelled mixing jet bit comprises a bit body, a rotary shell and a positioning nut; the rear end of the bit body is provided with a hollow variable diameter cylinder, and the front end of the bit body is provided with a central nozzle with a mixing cavity; the hollow cylinder arranged at the rear end of the bit body is provided with first-level backward nozzles, multiple forward holes are formed in a hollow cylinder arranged at the front end of the bit body, and flow guiding valves are installed in the forward holes; the central nozzle is coaxial with a flow channel of the bit body, a thread is formed on the exterior of the central nozzle, and the rotary shell is positioned through the positioning nut; forward nozzles facing laterally and forwards are arranged at the front end of the rotary shell, the outer wall of the rotary shell is provided with the spiral cutting wing ribs, hard alloy cutting teeth are fixedly arranged on the surfaces of the cutting wing ribs, and second-level backward nozzles are arranged in flow guiding grooves formed among the cutting wing ribs. According to the rotary self-propelled mixing jet bit with the cutting wing ribs, the problems that in the hydraulic jet radial horizontal well drilling process, the mechanical drilling rate is low, the well diameter is small, and well holes are irregular.

The invention discloses a multitube-structure ozone generator and a manufacture method thereof. The multitube-structure ozone generator overcomes problems in prior arts that ozone yield is low, a demand of treating a large amount of wastewater is not met and welding deformation cannot be controlled through conventional manufacture methods. The multitube-structure ozone generator is characterized by comprising a supporting frame of heat conversion tubes, and the supporting frame consists of fixed pulling rods, an upper tube sheet, a lower tube sheet and baffle plates; more than 1000 heat conversion tubes are inserted into the supporting frame from heat conversion tube holes in the upper tube sheet, pass through heat conversion tube holes in the shell-side baffle plates, and extend out through heat conversion tube holes in the lower tube sheet; and a high-voltage discharge tube is inserted into a bottom orifice of each heat conversion tube. The manufacture method comprises performing numerical-control drilling, performing numerical-control match drilling, performing vertical assembling, threading the heat conversion tubes, assembling an anti-deformation tool, and performing welding sealing on the heat conversion tubes with the upper tube sheet and the lower tube sheet. The beneficial effects comprise that the multitube-structure ozone generator exerts stabilizing and supporting effects on the 1104 high-voltage discharge tubes in terms of structures and has a good cooling effect, the manufacture method is employed for strictly controlling the welding deformation and ensuring the assembly requirements of the high-voltage discharge tubes and the heat conversion tubes after welding, and the demand of treating a large amount of wastewater is met.

The invention belongs to the technical field of teaching and examination tools, and particularly discloses a teaching and examination management system. The teaching and examination management systemcomprises a test paper storage box, a first chamber and a second chamber for accommodating test paper are respectively formed in the test paper storage box, through holes are respectively formed in the bottoms of the first chamber and the second chamber, and pickup rollers are rotatably connected to the bottom of the test paper storage box; the top ends of the pickup rollers are higher than the top ends of the through holes, the pickup rollers are connected with a gap transmission mechanism, the gap transmission mechanism can enable the pickup roller of the first chamber and the pickup rollerof the second chamber to rotate alternately, and the end, away from the pickup rollers, of the gap transmission mechanism is connected with a driving motor; and the first chamber and the second chamber are provided with discharging openings, a conveyor belt is arranged at the bottom of the test paper storage box, and a plurality of examination tables are arranged adjacent to one side of the conveyor belt. The invention aims to provide the teaching and examination management system to solve the technical problem of complex test paper distribution operation.

The invention discloses a precise automatic cut-off machine. The precise automatic cut-off machine comprises a stand, a power roller and a guide roller are arranged at two transverse sides of the stand, the power roller and guide roller are provided with a transmission mechanism, the transmission mechanism is provided with a feeding mechanism, and the transmission mechanism is capable of driving the feeding mechanism to rotate circularly; the feeding mechanism comprises a plurality of fixed troughs, the fixed troughs are bowl-shaped, an interval remains between adjacent fixed troughs, and the upper openings of the fixed troughs form discharge holes; a rotating cutter mechanism is arranged at the horizontal right side of the stand, the rotating cutter mechanism is provided with a longitudinal cutter roller, the cutter roller is arranged above the power roller, the cutter roller is provided with a plurality of cutter blades, and the cutter blades are capable of correspondingly entering the intervals between the fixed troughs; a power mechanism is arranged at the longitudinal rear side of the stand, and the power mechanism can drive the power roller and cutter roller to rotate. The precise automatic cut-off machine is high in cutting efficiency, capable of well realizing the precise material cut and convenient to regulate the cutting length; the honest material and waste material are automatically divided after cutting, the labor force is saved, and the production cost is lowered.

The invention discloses an intelligent flower bed fence including a pillar and two cross bars connected with the pillar, each cross bar is connected with a plurality of vertical bars, the pillar internally is provided for a water tank for containing water, the top of the pillars is provided with a circular solar cell plate, the bottom end of the circular solar cell plate is connected with a storage battery, the storage battery is electrically connected with a water pump located on the side wall of the pillar, and the water pump is connected with a switch by a wire. The advantages are that the intelligent flower bed fence is compact in connection and easy to use, and has intelligent functions, the pillar can play a stabilizing supporting role, a clamping groove and a clamping buckle facilitate cooperation of the cross bars and the vertical bars, and facilitate removing and installing of the cross bars and the vertical bars, a water conveying pipe and a water suction pipe facilitate transport of the water, an inner pipe facilitates transport of a water flow to a nozzle, a gasket can prevent water leakage, the solar cell panel can receive sunlight, and electrical energy can be stored by the storage battery.

The invention discloses a food package sealing intelligent detection device which comprises a detection workbench, a buffer groove is formed in the top of the detection workbench, a base plate matched with the buffer groove in specification is movably embedded in the top end of the interior of the buffer groove, a plurality of damping supporting mechanisms are fixed to the bottom of the base plate, and a conveying groove is formed in the right side of the top end of the detection workbench. A material conveying mechanism is rotatably installed in the material conveying groove, one side of the material conveying mechanism is provided with a material pushing mechanism. A limiting rod and a hydraulic rod are fixed to the right side of the outer wall of the top of the detection workbench, a top plate is fixed to the top end of the hydraulic rod, a sleeve is fixedly connected to the top plate in an inserted mode, the sleeve is connected to the limiting rod in a sleeving mode, and an upper pressing plate is fixed to the left side of the bottom of the top plate; a pressing plate is nested in the top of the substrate, and an extrusion mechanism is fixed to the right side of the outer wall of the bottom of the top plate. According to the device, the next material sealing performance detection work can be conveniently carried out, the detection efficiency is improved, hard extrusion generated outside a packaging bag due to too large initial extrusion acting force can be avoided, and breakage is prevented.

The invention discloses a hydrolytic acidification reaction tank for sewage treatment, which structurally comprises a feeding pipe, a reaction cover, a bracket frame, a reaction device and a centralized acidification part, the feeding pipe is inserted in the middle of the reaction cover and is communicated with the interior of the reaction device, the reaction device is sleeved with the bracket frame, and the bottom of the reaction device is fixedly connected with the centralized acidification part; shaking deformation is carried out in the fixed range of gathering bolts between limiting parts, so that a conversion device fluctuates intermittently, a sludge accumulation surface is prevented from being expanded, extruded and overlapped, the inclined surface of the conversion device surfaceis gradually changed into a plane shape, and when sludge with different sizes falls onto the inclined surface of the conversion device, a supporting device at the bottom of the conversion device can make the conversion device fluctuate up and down through high-speed rotation under the bolt connection matching effect of attaching blocks, the effective energy absorption and buffering effect is achieved, pits with different depths cannot be formed in the surface of the inclined face, and equipment internal functional components are not damaged.

The invention discloses a damping base of a prefabricated substation, and belongs to the technical field of power equipment. The damping base comprises a prefabricated substation main body and a mounting base. A mounting groove is formed in the top of the mounting base. Two support frames are fixedly arranged on each of the left and right sides of the bottom of the mounting groove. Adjusting sliders are in sliding connection with the four support frames. Damping springs are fixedly arranged on the opposite sides of every two left-right opposite adjusting sliders. According to the damping baseof the prefabricated substation, when the prefabricated substation main body is hit by a downward impact force, a mounting plate is impacted through a T-shaped mounting base and and elastic blocks, sothat damping support components and the damping springs at the bottom of the mounting plate play the role of damping and buffering, the impact resistance effect of the damping base of the prefabricated substation is relatively good, ultimately the damping effect of the damping base of the prefabricated substation is relatively good. When a substation is impacted, inner electric elements are not prone to being damaged, and the protection effect is relatively good.

The invention relates to the technical field of profile steel production equipment, and discloses profile steel production and treatment equipment capable of conveniently saving steel plate materials.The profile steel production and treatment equipment comprises a machine body, a steel belt unwinding mechanism is arranged on one side of the machine body, profile steel is arranged on one side of the steel belt unwinding mechanism, rollers are arranged at the bottom of the profile steel, and conveying rollers are arranged on the two sides of the rollers correspondingly, a punching mechanism isarranged on one sides of the conveying rollers, a pressing roller mechanism is arranged on one side of the punching mechanism, a welding mechanism is arranged on one side of the pressing roller mechanism, a cutting mechanism is arranged on one side of the welding mechanism, a displacement sensor is arranged on one side of the cutting mechanism, and an output conveying belt is arranged on one sideof the displacement sensor. The profile steel production and treatment equipment capable of conveniently saving the steel plate materials is good in cutting mechanism fixing effect and high in cuttingprecision, reduces the problem of raw material waste caused by increase of the steel plate materials due to unqualified products, can adjust the position of a cutting knife in the left-right and up-down directions, and solves the problem that the existing cutting knife is fixed invariably to influence the profile steel production progress.

The invention discloses a glue filling device of a filter for rail transit, and relates to the field of automation equipment. The glue filling device comprises a rotary disc, a positioning tool, a vacuumizing assembly, a driving mechanism, a glue filling head and a heating assembly. The rotary production layout is adopted, and compared with traditional linear assembly line type vacuum glue filling equipment, each product sealing space is smaller in sealing space, and therefore the vacuumizing efficiency is higher; in addition, by means of downward movement of the driving mechanism, the heating assembly can be driven to operate and generate high-temperature and high-pressure compressed gas, and then the compressed gas is sprayed to the inner wall of a filter assembly by means of gas spraying pipes to preheat the inner wall of the filter assembly, so that the probability of bubble generation is reduced; and meanwhile, due to the fact that the gas spraying pipes are located right above the four corners of the inner wall of the filter assembly, high-speed gas flow generated by the high-pressure gas can blow up impurities which are difficult to remove at the corners, and then the impurities are pumped away and discharged by means of an exhaust pipe, so that the adverse effect of the impurities on the filling quality is reduced.

The invention discloses a hydraulic machine with multi-housing multi-directional bearing racks. The hydraulic machine comprises at least two single-housing horizontal racks, at least one single-housing vertical rack, a main working cylinder, return cylinders and horizontal cylinders. Archways of the at least one single-housing vertical rack are arranged in parallel and are fixedly connected to form a multi-housing vertical rack, and the at least two single-housing horizontal racks are arranged on the two sides of the multi-housing vertical rack in parallel and fixedly connected to form a multi-housing horizontal rack. Horizontal loads and vertical loads are loaded on the two completely independent racks of the multi-housing horizontal rack and the multi-housing vertical rack respectively, and accordingly, the requirement for the rigidity of the racks is reduced, the large-tonnage hydraulic machine rack overall weight is reduced effectively, and the hydraulic machine rack own strength is high; horizontal loads transmitted by the horizontal cylinders are born by the multi-archway horizontal rack, so that the bearing capacity is high, and the multi-housing horizontal rack cannot be damaged even if being subjected to huge loads.

The invention relates to the technical field of intelligent logistics equipment, in particular to an intelligent sorting device and method for express parcel based on intelligent logistics. The intelligent sorting device comprises a first conveying assembly and a second conveying assembly, and the side edge of the first conveying assembly is provided with the second conveying assembly; the second conveying assembly is perpendicular to the first conveying assembly, and the intelligent sorting device further comprises a material transfer assembly, a dust removal assembly and an express parcel sorting assembly; the material transfer assembly is arranged at the end of the first conveying assembly; the material transfer assembly is connected with the first conveying assembly and the second conveying assembly, and the dust removal assembly is arranged at the top end of the material transfer assembly; and the express parcel sorting assembly is arranged at the end of the second conveying assembly. According to the intelligent sorting device, the express parcel can be conveyed to the express parcel sorting assembly through the second conveying assembly, and intelligent sorting of the express parcel is achieved through the express parcel sorting assembly; the express parcels are collected separately, and the overall structure is compact; the automation degree is high, and lots of labor cost is saved; and the express parcel sorting efficiency is greatly improved.

The invention discloses a green building sewage treatment device and a use method. The device comprises a box body, a water inlet pipe communicates with the center of the top of the inner cavity of the box body, a first filter plate is fixedly connected to the top of the inner cavity of the box body, first through pipes communicate with the tops of the two sides of the inner cavity of the box body, and first collecting frames are fixedly connected to the tops of the two sides of the box body. The device is provided with a frame body, a turbine, a drainage pipe, a second feeding box body, an electric telescopic rod, a push rod, a driving gear, a motor, a first collection frame, an infrared sensor, a first filter plate, a first through pipe, a driven gear, a movable frame, a through groove,a second filter plate, a conveying pipe, a first feeding box body, a second through pipe and a second collection frame for cooperative use; the problems that an existing sewage treatment device is poor in treatment efficiency, impurities generated in the treatment process cannot be conveniently collected, secondary pollution is caused, and the environmental protection property of the sewage treatment device is reduced are solved.

The invention discloses a valve with a valve clack convenient to replace and a replacing method. The valve comprises a lower valve body, wherein a valve seat is fixedly connected to the center of an inner cavity of the lower valve body, a sealing ring is fixedly connected to the inner wall of the valve seat, an upper valve body is arranged at the top of the lower valve body, fastening screw holesare formed in the two sides of the bottom of the upper valve body and the two sides of the top of the lower valve body correspondingly, fastening bolts are arranged in inner cavities of the fasteningscrew holes in a penetrating mode correspondingly, a valve rod is arranged at the top of the upper valve body, and the bottom of the valve rod sequentially penetrates through the upper valve body andthe lower valve body from bottom to top and extends to the top of the inner cavity of the lower valve body. Through cooperative use of the valve clack, the fastening screw holes, the fastening bolts,the valve rod, the upper valve body, a first screw, a first baffle, a sliding clamping block, a first sliding groove, a limiting clamping block, a stable sliding block, a first spring, a stable sliding groove and a limiting clamping groove which are arranged, the problem that the valve clack of an existing valve is inconvenient to replace, the replacement time is greatly increased, and the convenience of the valve is reduced is solved.

The invention discloses a pipeline optical power cable laying power assisting device and belongs to the technical field of communication equipment. The technical scheme is mainly characterized in thatthe device comprises multiple sections of flexible pipes, driving assemblies arranged on the flexible pipes and power assisting units arranged in the flexible pipes. The power assisting units are arranged in the axial direction and the turning points of the flexible pipes. The power assisting units and the flexible pipes are in detachable connection. Each driving assembly comprises a support frame arranged on the flexible pipe, a plurality of driving shafts in the support frame and a driving band wrapping the plurality of driving shafts. One driving shaft is provided with a driving motor; theouter side of the flexible pipe is provided with a driving motor; one driving shaft is coaxially connected with a rotating shaft of the driving motor; and the two groups of driving assemblies are symmetrical with respect to the center of the flexible pipe. The power assisting device has the technical effects of reducing operation difficulty in laying and turning of an optical power cable in the flexible pipes.

The invention discloses an automatic control multifunctional aquatic aquaculture work boat. The automatic control multifunctional aquatic aquaculture work boat comprises a hull, a remote control device, an automatic working device, a plurality of driving devices and a console, wherein the hull comprises a plurality of buoys and connecting pieces; the driving devices are symmetrically installed with the central line of the hull; the remote control device comprises a button circuit, an encoding circuit and a radio frequency signal transmitting circuit; and the console comprises a manipulation unit, a radio frequency signal receiving unit, a control center unit, a motor driving unit and a power supply unit. The automatic control multifunctional aquatic aquaculture work boat can realize automatic feeding and medicine application operation, and improves the overall safety factor and work efficiency; and when the hull runs, a water stirring wheel stirs water, the oxygen-increasing effect isimproved, and the free breathing and healthy growth of pond aquatic products are facilitated.

The invention discloses an industrial spraying robot which comprises a bottom plate; the two sides of the upper end of the bottom plate are fixedly provided with supporting plates respectively; one sides of the two supporting plates are provided with supporting devices respectively; a baffle plate is fixed at the upper ends of the two supporting plates and is provided with a through hole; a vertical rod is arranged in the through hole in a penetrating manner; and the lower end of the vertical rod is fixedly provided with a first rotation piece. By adopting the industrial spraying robot provided by the invention, convenience in regulation and spraying are realized, the length of a production line is reduced, and the occupying area is lowered; through combination of a drive device, a rotation piece, connection rods and bearing blocks, a spraying device can be rotated to keep a straight orientation, so that a product produced by the production line is conveniently sprayed, spraying can beeasily performed aiming to different conditions, the automation degree is high, the labor intensity of an operator is reduced, the spraying efficiency and the quality of the product are improved, thecost is lowered, the competitiveness of an enterprise is strengthened, the structure is simple, operation is facilitated, and popularization is suitable.

The invention discloses a vertical anti-toppling Bluetooth sound box, and the sound box comprises a main body, a fixed frame, a second top plate, a first top plate, a push-pull rod, a turnover rod, abottom plate and an annular plate; the top of the fixed frame is fixedly connected with the second top plate through a screw, and the bottom of the fixed frame is fixedly connected with the bottom plate through a screw; a vertical threaded rod is rotationally installed between the second top plate and the bottom plate, the top end of the threaded rod is connected with an annular plate, a driving assembly is arranged on the second top plate, the threaded rod is sleeved with a threaded sleeve in a threaded mode, the threaded sleeve is hinged to the top end of a push-pull rod, and the bottom endof the push-pull rod is hinged to one end of an overturning rod; the middle section of the overturning rod is rotationally connected with the bottom end of the fixing piece, and a universal wheel is installed at the other end of the overturning rod. The invention has the beneficial effects that switching between moving and stable placing can be conducted conveniently, meanwhile, the overall statecan be locked, the stability is improved, using and operation are easy and convenient, and the practicability is high.

The invention discloses a pore-broadening processing device for a refrigerating copper tube of an air conditioner. The pore-broadening processing device comprises a pore-broadening table body and a pore-broadening adjusting column. The pore-broadening adjusting column is movably connected to the pore-broadening table body, a reamer is arranged on the pore-broadening table body in a penetrating manner, an annular groove is formed in the reamer, an annular connecting seat is connected to the annular groove in a sleeving manner, and first springs are fixedly connected to two sides of the annularconnecting seat; when the copper tube is further processed, all needed tools are placed on one device, so that the tools can be directly operated during processing; when the copper tube is processed,a compaction plate clamping the copper tube only can be placed on the ground, and a triangular supporting plate can play a stable supporting role. By elastically connecting the reamer, the reamer is pressed downward only and rotated simultaneously when the copper tube is polished, so that the pore-broadening processing device polishes and operates the copper tube conveniently.

The invention provides an adjustable light collection lamp holder of a flashlight. The adjustable light collection lamp holder comprises a control box, an LED lamp holder, LED lamp arms, supporting rods and a sliding adjusting mechanism. The sliding adjusting mechanism comprises a sliding sleeve, a guiding connection rod and an adjusting ring. The LED lamp holder is fixedly arranged at the front end of the control box, and LED lamp beads are arranged on the front end face of the LED lamp holder. One end of each LED lamp arm is hinged to the outer wall of the control box, and LED lamp beads are arranged at the other end of each LED lamp arm. The sliding sleeve and the adjusting ring are arranged on the control box in a sleeving manner, and the guiding connection rod is connected between the sliding sleeve and the adjusting ring. One end of each supporting rod is hinged to the middle portion of the corresponding LED lamp arm, and the other end of each supporting rod is hinged to the adjusting ring. According to the flashlight, the LED lamp arms are arranged in a hinged manner, so that light ray branches with adjustable light source emitting directions are formed, and angle positioning and adjusting are achieved under the adjusting action of the sliding adjusting mechanism; and relatively good light collection effect adjusting performance is achieved.

The inventio provides a drying device for a watermarking machine and belongs to the technical field of watermarking machine drying. The drying device for the watermarking machine comprises a table board, a watermarking machine and lifting plates. Sleeving columns are fixedly connected to the front side and the rear side of a fixing frame correspondingly. The lifting plates are connected inside thesleeving columns in an inserted manner. Rotating blocks are connected to the outer side surfaces of rotating shafts in a sleeving manner. Expanding-and-contracting blocks are connected to one sides of the outer side surfaces of the rotating blocks in a sleeving manner. Fans are installed inside fan boxes. Heating lamps are fixedly connected to one sides of the lifting plates. According to the drying device for the watermarking machine, a driving gear, a chain, a driven gear and a rotary shaft are arranged; the servo motor is started, a watermarking product is taken out, and drying treatment is conducted on the watermarking product; the sleeving columns, the lifting plates and the heating lamps are arranged, the height of the lifting plates is adjusted, thus the height of the heating lampsis adjusted, and then the drying effect of the heating lamps is adjusted; and the rotating shafts, the rotating blocks and the expanding-and-contracting blocks are arranged, the horizontal angle of the rotating blocks and positions of the expanding-and-contracting blocks are adjusted, and thus the drying range of the fans is adjusted.

The invention provides a road roller construction data detection device, and relates to the technical field of construction monitoring, the road roller construction data detection device comprises a base, a rolling structure, an acceleration sensor for detecting a vibration condition and a distance measuring sensor for detecting a vertical distance, the rolling structure is installed at the bottom of the base, and the acceleration sensor is installed at the top of the base. The base is connected with the road roller, a first supporting rod is arranged on the base, a balance rod is hinged to the top of the first supporting rod, the distance measuring sensor is installed at the two ends of the balance rod, the signal processing module and the display screen are installed in a cab of the road roller and electrically connected with each other, and the signal processing module is electrically connected with the acceleration sensor and the distance measuring sensor. The technical scheme that the display screen displays detection data of the acceleration sensor and the distance measuring sensor has the beneficial effects of real-time detection of construction data and manpower saving, and the situation of reworking after the event is avoided.

The invention discloses a rehabilitation nursing device. The lower end of a bottom bracket is connected to a plurality of sets of movable trundles, the lower end of the bottom bracket is rotationallyconnected to a first driving cylinder, the first driving cylinder is connected to a first driving telescopic rod, the first driving telescopic rod is connected to a sliding connecting frame, the sliding connecting frame is slidably connected to the lower end of the bottom bracket, two ends of the sliding connecting frame are rotationally connected to a plurality of sets of connecting supporting arms, the middle of each connecting supporting arm is rotationally connected to the bottom bracket, a plurality of groups of connecting arms are fixedly arranged at the lower end of a nursing bed frame,the number and position of the connecting arms correspond to the number and position of the connecting supporting arms, and the connecting arms are connected to the connecting supporting arms. The limb rehabilitation nursing device is convenient to use, can carry out limb rehabilitation training at different positions according to different patients, has good patient protection effects, and effectively improves limb rehabilitation nursing effects of the patients.