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196results about How to "Easy installation and disassembly" patented technology

Detachable upper pipe seat and guide pipe connecting structure

ActiveCN104575629ARealize repeated installation and disassemblyHas a guiding roleNuclear energy generationRod connectionsEngineeringHooking
The invention provides a detachable upper pipe seat and guide pipe connecting structure which comprises an upper pipe seat, an elastic joint and a bracing pipe, wherein a guide pipe hole is formed in the upper pipe seat; the inner diameter of the upper part of the guide pipe hole is larger than the inner diameter of the lower part of the guide pipe hole so as to form a stepped surface; the elastic joint is of a tubular structure; the upper part of the elastic joint comprises at least two elastic fasteners; grooves are formed in the inner sides of the elastic fasteners along the peripheral direction; a lug boss is formed on the lower end of the elastic joint, is matched with the lower end surface of the guide pipe hole of the upper pipe seat and is used for limiting the upward motion of the elastic joint; the bracing pipe is of a tubular structure, a bulge is formed in the outer side of the upper part of the bracing pipe along the peripheral direction, and the bulge is embedded in the grooves of the elastic fasteners; and the bracing pipe is used for locking the elastic fasteners on the stepped surface of the guide pipe hole and limiting the downward motion of the elastic joint. According to the upper pipe seat and guide pipe connecting structure disclosed by the invention, the bracing pipe is taken out by using a hooking tool, and after the elastic joint is not supported, the elastic joint is pressed into the guide pipe hole, the upper pipe seat can be taken out, and the connecting structure can be repeatedly mounted and detached.
Owner:SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD

Indoor LED ceiling lamp device

The invention discloses an indoor LED ceiling lamp device. The indoor LED ceiling lamp device comprises a lamp holder body mounted in a ceiling and a lamp head body which is connected with the lamp holder body in a matched mode, wherein an insertion cavity with a downward opening is formed in the middle of the lower end surface of the lamp holder body; positions, at the left end and the right end of the insertion cavity, in the lamp holder body are symmetrically equipped with a left motion cavity and a right motion cavity which extend upwards separately; a drive cavity is arranged between the upper part of the left motion cavity and the upper part of the right motion cavity in a communication mode; and a left locking part and a right locking part are separately arranged in the left motion cavity and the right motion cavity. The indoor LED ceiling lamp device is simple in integral structure, is safe and reliable in integral operation, is high in efficiency of mounting and dismounting an LED ceiling lamp, and effectively avoids electric shock accident when the LED ceiling lamp is mounted and dismounted, and therefore, life safety of mounting staff is guaranteed, and the whole device is simple and convenient in mounting and dismounting operation, and is suitable for being popularized and used.
Owner:浙江宙辉电器有限公司

Hot plug type electric connector

The invention discloses a hot plug type electric connector. The electric connector comprises a shell base body, a heat dissipation module and an attaching clamp, wherein the heat dissipation module is arranged on the shell base body, and the attaching clamp is used for fixing the heat dissipation module on the shell base body; the shell base body comprises an upper wall, a bottom wall, two side walls and a back wall, and the upper wall, the bottom wall, the two side wall and the back wall form a plug hole; the upper wall is provided with a clamping groove, and the back wall is provided with a clamping boss; the front end of the attaching clamp is provided with a clamping plate, a middle plate body of the attaching clamp is provided with a sleeve hole, and the rear end of the attaching clamp is provided with a clamping hole; the attaching clamp is sleeved on the heat dissipation module through the sleeve hole, and the clamping plate at the front end of the attaching clamp is inserted in the clamping groove of the upper wall; and the clamping hole at the rear end of the attaching clamp is clamped on the clamping boss of the back wall, and the heat dissipation module is pressed on the upper wall of the shell base body by the attaching clamp. Compared with traditional products, the structure is more convenient in mounting and dismounting operation and has stable performance because the attaching clamp with simple and reasonable structure is adopted to fix the heat dissipation module.
Owner:WENZHOU YIHUA CONNECTOR

Split type chain sprocket splicing structure

The invention discloses a split type sprocket splicing structure, comprising a sprocket formed by matching and splicing two half wheels, as well as a chain shaft. Two splicing parts between the two half wheels are respectively provided with a fastening-connecting structure which fixes the sprocket with the chain shaft. The fastening-connecting structure is completely different from a fixation method of bolts and pins in the prior art, wherein two sides of the two half wheel splicing parts on the chain shaft are respectively provided with a first groove and a second groove along the circumferential direction; a first compression plate clamped in the first groove and a second compression plate clamped in the second groove are fixed with the two half wheels through a fastener. Therefore, the first compression plate and the second compression plate, together with groove planes on the chain shaft, can jointly play a role in bonding, prevent the relative rotation between the sprocket and the chain shaft and bear sufficient shearing force. The structure does not need on-site matching process, is simpler and more convenient to install, detach and operate, stabler in performance and longer in life-span.
Owner:SUZHOU JIANGNANLV ELECTROMECHANICAL TECH GROUP +1

Quick mounting-demounting structure for toilet cover plate hinges

The invention relates to a quick mounting-demounting structure for toilet cover plate hinges and belongs to the technical field of accessories for flush toilets. The structure is applied to quickly mounting and demounting a toilet cover plate. According to the technical scheme, the quick mounting-demounting structure for toilet cover plate hinges is characterized in that a plastic fastener and a modified base cylindrical pin are disposed in a hinge body, the plastic fastener is quickly connected with the base cylindrical pin through a cantilever fastener, a damper and a rotating shaft sleeve are mounted in the hinge body, the hinge body is connected with the toilet cover plate through the rotating shaft sleeve, the hinge body is directly inserted into the base cylindrical pin to mount the toilet cover plate by connecting the hinge body and the toilet cover plate, and the toilet cover plate can be demounted by holding the toilet cover plate with both hands and pulling out with effort. The quick mounting-demounting structure for toilet cover plate hinges is simple in structure, convenient to use, simple in appearance, convenient to mount and demount and stable in performance; the defect that other quick mounting-demounting structures easily swing and shake is overcome. The quick mounting-demounting structure for toilet cover plate hinges is easy to manufacture and low in price, has significant economic benefit and is worthy of popularization and application.
Owner:HUIDA SANITARY WARE

Connecting structure of limit type upper tube seat and guide tube

The invention provides a connecting structure of a limit type upper tube seat and a guide tube. The connecting structure comprises an upper tube seat, a rigid joint and a limit tube, wherein a guide tube hole is formed in the upper tube seat, the inner diameter of the upper part of the guide tube hole is greater than that of the lower part of the guide tube hole, and a stepped plane is formed; the rigid joint comprises an insertion section and a bearing boss, wherein the insertion section is arranged at the upper part of the rigid joint, and the bearing boss is arranged at the lower part of the rigid joint; at least one position clamping block is arranged on the outer side of the insertion section, the bearing boss is used for limiting the upward movement of the rigid joint, and a guide tube connecting end is arranged at the lower end of the bearing boss and is used for connecting the guide tube; the limit tube is arranged between the upper tube seat and the rigid joint and is located above the stepped plane; at least one limit bulge is arranged at the lower end of the inner side of the limit tube and is used for limiting the downward movement of the position clamping block of the rigid joint. According to the connecting structure of the limit type upper tube seat and the guide tube, the guide tube and the upper tube seat can be disconnected by virtue of the rigid joint and the limit tube, so that the mounting and the dismounting are benefited, and the upper tube seat and the guide tube can be repeatedly dismounted and mounted.
Owner:SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD

Multi-station automatic bobbin case replacing system and method

The invention provides a multi-station automatic bobbin case replacing system and method. A bobbin case replacing device is arranged and can be responsible for the bobbin case replacing work of multiple preset stations, and disassembled bobbin cases and spare bobbin cases are placed on a storage rotation disc; when the spare bobbin cases on a bobbin case storage part are used up, an operator can replace the storage rotation disc at a preset station and recover the disassembled bobbin cases and replenish the spare bobbin cases at the same time without moving back and forth on each station to recover and replenish the bobbin cases. The system comprises a horizontal guiding mechanism and the bobbin case replacing device, the horizontal guiding mechanism is disposed below bobbin box bodies ofan embroidery machine and extends in a connecting direction of the bobbin box bodies, and the bobbin case replacing device comprises a bobbin case grabbing part, the bobbin case storage part and a translation driving part; the translation driving part is slidably connected to the horizontal guiding mechanism and can perform translation slide along the horizontal guiding mechanism, and the bobbin case storage part comprises the detachably and rotatably connected storage rotation disc.
Owner:ZHUJI LIGHT IND TIMES ROBOT TECH CO LTD

Method for integrally and transversely moving high and large formwork through high and large trolley

ActiveCN104695979AEasy installation and disassemblySimplify the installation and removal processUnderground chambersTunnel liningTunnel construction
The invention relates to the technical field of tunnel construction, and provides a method for integrally and transversely moving a high and large formwork through a high and large trolley. The method comprises the following steps: the formwork is connected through a partial loading beam and a fixing clamp on the trolley; the formwork is controlled to be upwards or downwards adjusted through a longitudinal adjustment pull rod on the trolley; the distance between the formwork and the wall surface of a wall body is adjusted through a horizontal adjustment rod on the trolley; the trolley is moved through a sliding rail after pouring is completed; the trolley drives the formwork to integrally move to a second section. According to the method, after one pouring operation is completed, all needed is to loosen the formwork and move the trolley to a next pouring section to perform formwork mounting, and the problem that quantity of work is high because the formwork is required to be dismounted and is assembled again in the prior art is solved.
Owner:NO 1 ENG COMPANY CO LTD OF CCCC FIRST HARBOR ENG COMPANY +1

Solar photovoltaic panel mounting bracket having automatic adjusting function

ActiveCN111245341ASolve the problem of low light energy absorption efficiencyImprove light absorption efficiencyPhotovoltaic supportsSolar heating energyLight energyMechanical engineering
The invention discloses a solar photovoltaic panel mounting bracket having an automatic adjusting function, and relates to the field of solar photovoltaic panels. Aiming at the problem that an existing solar photovoltaic panel cannot realize angle adjustment according to an illumination angle, and then light energy absorption efficiency is low, the following scheme is provided now, the bracket comprises a base, a rotating groove is formed in the top end of the base, a rotating seat is rotatably mounted in the rotating groove, the top end of the rotating seat extends to the upper portion of thebase and is fixedly connected with a rotating plate, a lifting rod is fixedly mounted on one side of the top end of the rotating plate, a sliding groove is formed in the top end of the rotating plate, and a sliding block is slidably mounted in the sliding groove. The bracket is novel in structure, and the device can adjust the solar panel according to the illumination angle of the sun, improves the light energy absorption efficiency of the solar panel, facilitates the installation and disassembly of the solar panel, improves the maintenance and replacement efficiency of the solar panel, and is suitable for popularization.
Owner:福建永福汇能科技有限公司

Method and device for lifting weight on top floor of super high-rise building

The invention relates to a method and a device for lifting weights on the top floor of a super high-rise building, wherein the device comprises a stand, a fixed mast, a movable mast, a ball joint, a guy cable combined disk, a hoisting block, an amplitude-change block, a stabilizing bar, a guy cable and a prestressed drag line; the stabilizing bar, the stand, the guy cable combined disk and the fixed mast are utilized to form a stable support structure, and meanwhile, prestressing force applies to the guy cable and the prestressed drag line; when weights are lifted, the stabilizing bar is in a state with small stress or no stress and generates sufficient stability and safeguard; and a guideline resists transverse wind loads. The invention has a simple process method, and the device has reasonable structure, simple and convenient operation, small overall weight, flexible movement, convenient assembly, disassembly, entrance and exit, safe operation, low cost and short construction period, and can realize the integral lifting of overweight objects on the top floor of the super high-rise building, overcome the difficulty of the integral lifting of the overweight objects on the top floor of the super high-rise building which can not be finished by traditional construction elevators, tower cranes and traveling cranes, solve the difficult problem puzzling the technical field of construction and installation for a long time, and realize standardized and mass large-scale production.
Owner:唐福强

Front maintenance LED display module

The invention discloses a front maintenance LED display module. The front maintenance LED display module comprises an LED box body, a module assembly and a dismounting assembly, wherein the LED box body comprises a box body and a permanent magnet; the permanent magnet is arranged at the box body; the module assembly comprises a bottom shell, a plug connector, an electromagnet and a first magnetic part; the bottom shell covers the box body; the electromagnet is fixed on the bottom shell and magnetically connected with the permanent magnet; the plug connector is arranged at the bottom shell and electrically connected with the electromagnet; the first magnetic part is arranged at the bottom shell; the dismounting assembly comprises a shell, a power source, an contact pin and a second magnetic part; the power source is arranged at the shell; the contact pin is arranged at the shell and electrically connected with the power source; the contact pin is used for conducting and demagnetizing the electromagnet when the contact pin is in plug-in connection with the plug connector and the electricity is conducted; and the second magnetic part is arranged at the shell and used for magnetically connecting with the first magnetic part. The front maintenance LED display module disclosed by the invention has the advantages that dismounting and mounting can be simply, conveniently and rapidly realized; and in addition, the mechanical strength of the integral structure is high.
Owner:SHENZHEN EASTAR ELECTRONICS

Steering column type electric power assisting device

A steering column type electric power assisting device comprises a shell, wherein a hollow inner rotor brushless motor is installed in the shell, a coil stator of the hollow inner rotor brushless motor is connected with the inner wall of the shell, a shaft sleeve is arranged at the center of a magnetic steel rotor of the hollow inner rotor brushless motor, and an intermediate shaft is installed in the shaft sleeve and fixedly connected with the shaft sleeve; an upper cover is installed on the shell, located at one end of the intermediate shaft and connected with a steering shaft of a vehicle steering column, a torsion rod and a torque angle sensor are installed between the steering shaft and the intermediate shaft, one end of the torsion rod is fixedly connected with the steering shaft, and the other end of the torsion rod is fixedly connected with the intermediate shaft. The device is small in occupied space, interference with peripheral parts is avoided, dismounting and mounting are easy, and the torque of the motor is amplified through a planetary gear reducer. Compared with existing electric power assisting devices, the electric power assisting device has the advantages that mechanical transmission efficiency is improved greatly, and vehicle steering can be conducted more flexibly and easily with higher stability.
Owner:毕大宁

Compact steering column type automobile electric power assisting device

The invention discloses a compact steering column type automobile electric power booster, which comprises a casing, a planetary gear reducer is installed at one end of the casing, a transverse partition is arranged in the casing, and a hollow space is installed in the casing between the transverse partition and the planetary gear reducer. Type inner rotor brushless motor, the coil stator of the hollow inner rotor brushless motor is connected with the inner wall of the shell, the inner hole of the magnetic steel rotor center of the hollow inner rotor brushless motor is provided with a shaft sleeve, and the shaft sleeve is fixedly installed on the sleeve shaft , one end of the sleeve shaft is connected with the diaphragm of the casing through the first positioning bearing. The hollow inner rotor brushless motor and the planetary gear reducer are arranged coaxially with the steering column, occupying a small space and will not interfere with the surrounding components, easy to arrange on the car, and easy to disassemble and install.
Owner:王亚莉

Sending type sewing machine

The invention provides a sending type sewing machine. The sending type sewing machine can maintain operability for operator top operate cloth, keep higher observation convenience of a sewing needle falling position, and facilitate installation, assembling and adjusting works of a wire extraction cam easily at the same time. A bed for connecting a cylinder (3) and an arm (4) comprises the following components: a first bed (2), a first connecting part (6), a second bed (7), and a second connecting part (8); the upper part right side of the first bed (2) of the cylinder (3) is connected to the base of the first connecting part (6), the upper front end of the first connecting part (6) extending upwards from the bed is connected to the bed of the second bed (7), and the rear surface of the second bed (7) which extends from the base of the first bed (7) to the right side is connected with the base of an arm (4) which extends horizontally by a second connecting part (8). The lower wire extraction cam (41) is fixed at the left end of a lower shaft (20) protruding from a left side (2c) of the first bed (2).
Owner:株式会社飞马

Winch device for automobile towing and using method of winch device

The invention relates to the field of automobile towing tools, in particular to a winch device for automobile towing and a using method of the winch device. The winch device comprises a connecting frame fixedly connected to a vehicle frame through a bolt assembly, a connecting plate is fixed on the connecting frame, a winding block for winding a traction steel wire rope is fixed on the connectingplate, a pre-tightening mechanism for pre-tightening the traction steel wire rope wound on the winding block is arranged on the connecting frame, and a pressing mechanism is arranged on the connectingplate, and is in drive connection with the pre-tightening mechanism; the pressing mechanism is in drive connection with a rope clamping mechanism, the traction steel wire rope penetrates the wire clamping mechanism and is wound on the winding block, and the rope clamping mechanism is used for clamping and fixing the traction steel wire rope. According to the winch device for automobile towing andthe using method of the winch device, compression force of the traction steel wire rope is automatically increased by the pre-tightening mechanism and the pressing mechanism under the condition thatthe traction steel wire rope is pressed greatly, so that the traction steel wire rope cannot slip; and moreover, the whole winch device is simple and convenient to mount and dismount, the structure issimple, and practicability is improved.
Owner:吴婷婷

Fabric cutting machine for spinning

The invention discloses a fabric cutting machine for spinning. The fabric cutting machine comprises a machine base, the machine base is of a hollow structure, a control panel is arranged on the side wall of one side of the machine base, a placing cavity is formed in the machine base, a transverse telescopic rod is arranged on the side wall of on side of the placing cavity, a transverse movable plate is connected to one side of the side wall, away from the placing cavity, of the telescopic rod, an iron is arranged on the side wall of the upper side of the movable plate, a third groove of whichan opening faces downwards is formed in the side wall of the lower side of the movable plate, an arc block is connected to the bottom of the third groove through a vertical second spring, and an arc groove matched with the arc block is formed in the side wall of one side of the placing cavity. By means of the fabric cutting machine, a cutting knife is convenient to install, detach and operate, fabric is more firmly pressed, the machine is prevented from moving or falling when the fabric is cut, and after being cut, the fabric can be ironed and is conveniently processed later.
Owner:桐乡华纳斯丝绸家纺有限公司

Seedling raising greenhouse irrigation system

The invention discloses a seedling raising greenhouse irrigation system, and belongs to the technical field of seedling raising greenhouse structures. The seedling raising greenhouse irrigation systemcomprises a greenhouse body, wherein a seedling raising bed is arranged on the bottom of an inner cavity of the greenhouse body, and adjusting supporting frames are arranged on two sides of the seedling raising bed. By arrangement of driving connecting mechanisms, water spraying pipelines can rotate in a reciprocating mode at a certain angle, the spraying area of one single pipeline is greatly increased, the use number of pipelines is reduced, and the installation and production cost is reduced; meanwhile, water spraying is more reasonable, and waste of water resources is greatly reduced; through arrangement of the adjusting supporting frames, installation of the water pipes is facilitated; the water pipes are connected with the driving connecting mechanisms in an inserted mode, so that assembling and disassembling operation is simple, and water pipe nozzles are convenient to replace and unblock; and by arrangement of rainwater collecting tanks, rainwater falling on the greenhouse body can be collected and recycled, and the use capability of natural resources is improved.
Owner:FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI

Pump coiling device of water ring vacuum pump

InactiveCN106002844ASo as not to damageGood hug effectSpannersWrenchesVacuum pumpWrench
A pump coiling device of a water ring vacuum pump comprises a hoop, a hoop fastening mechanism and wrenches. The hoop is composed of a front hoop body and a rear hoop body. The front hoop body and the rear hoop body are connected through the hoop fastening mechanism to form a circular ring to hoop the water ring vacuum pump. A clamping groove is formed in the inner side of the hoop and used for being matched with a protrusion on a bearing of the water ring vacuum pump so that the hoop cannot slide relative to the water ring vacuum pump. The wrenches are fixedly connected with the hoop. The pump coiling device can effectively solve the technical problem that daily maintenance of the water ring vacuum pump cannot be achieved through pump coiling by common wrenches.
Owner:CCTEG CHINA COAL RES INST

Cement mobile home and manufacturing method thereof

The invention discloses a cement mobile home mainly comprising a home body and locating rods. The home body is of an integral reinforcement cage concrete structure, and the locating rods are fixedly installed on the top of the home body, and fixedly connected to reinforcement cages in the home body; the bottom of the home body is further provided with locating holes corresponding to the locating rods on the top of the home body, and the upper ends of the locating rods are provided with hoisting rings; the locating holes in the bottom of the home body are provided with horizontally-through locking through holes corresponding to the hoisting rings, and the home body is also provided with gate grooves and window grooves; and the top of the home body is further provided with a support plate extending toward the side, provided with the gate grooves, of the home body. The cement mobile home disclosed by the invention has the advantages that the inconvenience of on-site splicing installationis avoided, and the installation time is saved greatly; the labor cost in the installation process is reduced, and the cement mobile home can be lifted and moved to other places for reutilization.
Owner:张明记

Steering tube type electric power assisting device

A steering tube type electric power assisting device comprises a shell. A planetary gear reducer is mounted at one end of the shell. A transverse partition board is arranged in the shell. A hollow internal rotor brushless motor is mounted in the shell and located between the transverse partition board and the planetary gear reducer. A coil stator of the hollow internal rotor brushless motor is connected with the inner wall of the shell. A shaft sleeve is arranged in a center inner hole of a magnetic steel rotor of the hollow internal rotor brushless motor. The shaft sleeve is fixedly mounted on a sleeve shaft. One end of the sleeve shaft is connected with the transverse partition board of the shell through a first location bearing. According to the steering tube type electric power assisting device, the hollow internal rotor brushless motor and the planetary gear reducer are arranged coaxially with a steering tube, so that the steering tube type electric power assisting device occupies small space, does not interfere with peripheral components, can be easily arranged on a car and is easy and convenient to dismount, mount and operate. During motor running, torque of the motor is amplified through the planetary gear reducer, and the rotational speed of the motor is decreased through the planetary gear reducer, so that the effect of power assistance is achieved. The mechanical transmission efficiency is substantially improved, and the steering tube type electric power assisting device can make steering operation of the car more flexible, easier, more stably and the like.
Owner:毕大宁

Bobbin case replacement device

The invention provides a bobbin case replacement device. A plurality of bobbin case storage stations can be arranged and used for storing dismantled bobbin cases and standby bobbin cases, the continuous work time of the bobbin case replacement device can be prolonged, when the standby bobbin cases on bobbin case storage devices are used up, an operator can directly replace the bobbin case storagedevices to supplement the standby bobbin cases, and the work efficiency is greatly improved. Each bobbin case storage device comprises a storage rotary disc and several bobbin case storage stations surrounding the storage rotary disc, and the bobbin case storage stations comprise mandrels used for placement of the bobbin cases; the mandrels are fixedly connected to the side surfaces of the storagerotary discs in the axial directions of the storage rotary discs; a bobbin case locating piece and a thread head clamping structure are respectively installed on the two sides of each mandrel. The invention further provides the bobbin case replacement device, a bobbin case replacement system and a bobbin case replacement method based on the bobbin case storage device.
Owner:ZHUJI LIGHT IND TIMES ROBOT TECH CO LTD

Closed type dewatering environment-friendly energy-saving device for deep foundation pit and construction process thereof

The invention discloses a closed type dewatering environment-friendly energy-saving device for a deep foundation pit and a construction process thereof, and relates to the technical field of deep foundation pit dewatering. The closed type dewatering environment-friendly energy-saving device for the deep foundation pit comprises a dewatering well, wherein a sliding plate is arranged inside the dewatering well, the top of the sliding plate is fixedly connected with a submersible pump, the inner wall of the dewatering well is sleeved with a retaining ring pipe, the bottom of the sliding plate isfixedly connected with a filtering and cleaning mechanism, and the left side and the right side of the top of the sliding plate are fixedly connected with filter screens. According to the closed typedewatering environment-friendly energy-saving device for the deep foundation pit and the construction process thereof, the problems that the dewatering well is not environment-friendly and energy-saving enough during existing deep foundation pit construction, blocking objects are easy to pump out during well water pumping during dewatering, the construction environment is influenced, the filteringeffect is poor, so that impurities permeate the filter screens and are pumped out by the submersible pump after blocking, meanwhile, the submersible pump consumes more electric energy during blocking, and a motor is easy to damage are solved, and the advantages of energy conservation and environmental protection are achieved.
Owner:ZHEJIANG GUANGDA CONSTR GRP

A connection structure between a detachable upper pipe seat and a guide pipe

The invention provides a detachable upper pipe seat and guide pipe connecting structure which comprises an upper pipe seat, an elastic joint and a bracing pipe, wherein a guide pipe hole is formed in the upper pipe seat; the inner diameter of the upper part of the guide pipe hole is larger than the inner diameter of the lower part of the guide pipe hole so as to form a stepped surface; the elastic joint is of a tubular structure; the upper part of the elastic joint comprises at least two elastic fasteners; grooves are formed in the inner sides of the elastic fasteners along the peripheral direction; a lug boss is formed on the lower end of the elastic joint, is matched with the lower end surface of the guide pipe hole of the upper pipe seat and is used for limiting the upward motion of the elastic joint; the bracing pipe is of a tubular structure, a bulge is formed in the outer side of the upper part of the bracing pipe along the peripheral direction, and the bulge is embedded in the grooves of the elastic fasteners; and the bracing pipe is used for locking the elastic fasteners on the stepped surface of the guide pipe hole and limiting the downward motion of the elastic joint. According to the upper pipe seat and guide pipe connecting structure disclosed by the invention, the bracing pipe is taken out by using a hooking tool, and after the elastic joint is not supported, the elastic joint is pressed into the guide pipe hole, the upper pipe seat can be taken out, and the connecting structure can be repeatedly mounted and detached.
Owner:SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD

Occluder device for power distribution box and using method thereof

The invention discloses a occluder device for power distribution box, comprising: a rubber occluding member; a upper pressing force pressing plate; a lower pressing force pressing plate, and several bolts for connecting the upper pressing force pressing plate and the lower pressing force pressing plate together to deform the rubber occluding member; the upper pressing force pressing plate and thelower pressing force pressing plate are connected together to form a ring structure by two half pressing plates, a rim edge is provided on the outside upper end of the upper pressing force pressing plate; the rubber occluding member, the upper pressing force pressing plate and the lower pressing force pressing plate pass through the inlet and outlet holes of the power distribution box body, the rim edge is stuck on the outside of the power distribution box body. According to the occluder device for power distribution box, the invention has the advantages as follows: The rim edge is provided, the occluder device passes though the inlet and outlet holes, the rim edge is stuck on the outside of the power distribution box body, so that the sealing performance between the pressing plates and the box body is good, the nut cannot resist the box body during pressing, and cannot damage to the box body; the rubber layer is provided, so that the sealing performance between the pressing plates andthe box body is improved more; and dislocations do not occur.
Owner:江西斯耐尔电力科技有限公司

New energy vehicle fuel cell storage device

A new energy vehicle fuel cell storage device includes a housing, the horizontal ends of both sides of the shell are internally threadably connected with transmission rods, and the inner side of the transmission rod is movably connected with a pressure bearing plate, an oil storage bin is arranged inside the housing and on one side of the transmission rod, the inner surface wall of the oil storagebin is provided with a pushing plate and a rotating rod matched with the pushing plate, the bottom of the oil storage bin is connected with one end of the oil guide pipe, and the other side of the oil guide pipe is connected with the oil permeating plate of the outer wall of the transmission rod, the two pressure bearing plates are connected through a partition plate, the outer walls of the two sides of the partition plate are symmetrically provided with grooves, the inner surface wall of the vertical end of the groove is welded with a connecting rod, and the outer side of the connecting rodis rotatably connected with a roller. In the invention, the whole structure design of the battery storage device is simple and reasonable, the installation and disassembly operation of the battery pack are convenient, the heat dissipation performance is improved, and the battery storage device has strong practicability.
Owner:利辛县祥腾信息科技有限公司

Oil-gas pipeline directional drilling back-dragging design method

The invention discloses an oil and gas pipeline directional drilling back-dragging design method. The method comprises the steps: determining the curvature radius of a cat back curve according to a directional drilling axis and a pipe of a back-dragging pipeline; determining a sending form of pipeline back dragging according to topographic conditions of the pipeline back dragging construction site, and calculating the excavation depth and the length of the excavation area; determining a starting point of the cat back curve and calculating corresponding coordinates of a plurality of feature points on the cat back curve; drawing a cat back curve through cartographic software according to the corresponding coordinates of the starting point and the plurality of feature points; according to thepipe diameter of the back-dragging pipeline, determining the unearthing angle of the back-dragging pipeline and the span between the adjacent lifting points of the cat back curve through oil and gaspipeline engineering horizontal directional drilling crossing design specifications, and calculating the number of the lifting points of the cat back curve; obtaining an arrangement scheme of a cat back curve support according to the drawn cat back curve, the span between the adjacent lifting points, the number of the lifting points and the arrangement mode of the lifting points, and completing the directional drilling back-dragging design of the oil and gas pipeline.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Ore pulp mixer applied to mining production

The invention belongs to the technical field of application of mining production machinery, and in particular discloses an ore pulp mixer applied to mining production. The ore pulp mixer consists of abase, a box body arranged on the base, a tapered cover arranged on the box body, a feeding hole formed in the tapered cover, a group of discharge holes formed in the bottom of the base, a driving component arranged on the tapered cover, and a mixing component arranged in the base. The ore pulp mixer applied to mining production has the beneficial effects that the box body, the tapered cover, thedriving component and the mixing component are matched for use; the ore pulp mixer has the advantages of reasonable design structure and convenient and fast installation and disassembly operation, andcan be used for performing efficient, accurate and stable mixing operation on chemicals and ore pulp; furthermore, the ore pulp mixer is provided with a plurality of stirring teeth and a plurality ofauxiliary stirring teeth, so that the mixing efficiency is effectively increased; a ceramic wear-resistant layer has higher corrosion resistance, wear resistance and impact resistance, so that the operation safety is guaranteed, and the service life of the box body is prolonged; the ore pulp mixer does not need to be frequently overhauled, so that the working efficiency is increased.
Owner:泰州市振亚机械设备有限公司
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