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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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).

The invention discloses a three-direction-adjustable combined rod type inner supporting tool which comprises an X-direction sleeve, a Y-direction sleeve, a Z-direction sleeve, an X-direction nut buckle, an X-direction screw, an X-direction supporting plate, a Y-direction nut buckle, a Y-direction screw, a Y-direction supporting plate, a Z-direction nut buckle, a Z-direction screw and a Z-direction supporting plate. The invention further discloses a construction method of the tool. The construction method includes the steps of assembling, placing and adjusting of the tool. The invention further discloses application of the tool. Supporting strength of the tool can be adjusted freely, the tool is convenient to control, firm, less prone to wearing, high in practicability, good in using effect and convenient for popularization and use, construction efficiency and quality are improved, and comprehensive cost is lowered greatly.

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.

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.

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.

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.

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.

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.

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.

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.