1323 results about "Traction cord" patented technology

The invention discloses an insertion tube and a manufacturing method thereof, an insertion part and an endoscope, and relates to the technical field of medical instruments, the insertion tube comprises an insertion body and an elastic tube, a first reinforcing layer and a second reinforcing layer are arranged in the insertion body, the second reinforcing layer is arranged outside the first reinforcing layer in a surrounding mode, and the first reinforcing layer is provided with a concave part. The first reinforcing layer and the second reinforcing layer can form double limiting and wrapping supporting on the elastic pipe, the concave shape of the concave part of the first reinforcing layer is utilized to be attached to the outer wall outline of the elastic pipe, and the outer side of the second reinforcing layer is matched for enclosing and restraining, so that the installation stability of the elastic pipe in the first channel can be greatly improved; bending moment generated by self-gravity, external force and the like of the elastic tube is effectively counteracted, the elastic tube is prevented from being bent under the action of self-gravity, external force and the like, the whole insertion tube is prevented from deforming along with bending of the elastic tube, and the form stability of the insertion tube in the cavity in the propelling process is guaranteed. And the straightness of a traction rope transmission path and the accurate conduction of a control instruction are ensured.

The invention discloses a portable root canal cleaning device and a use method thereof. The portable root canal cleaning device comprises a first tube, a first piston movably arranged in the first tube, a first needle connected to the bottom of the first tube, a second tube, a second piston movably arranged in the second tube and a second needle connected to the bottom of the second tube. The device further comprises a pulling rope, one end of the pulling rope is connected to the first piston, the other end of the pulling rope is connected to the second piston, the pulling rope movably penetrates through a middle guide piece, and the middle guide piece is located above the upper limit of the stroke of the first piston and the upper limit of the stroke of the second piston. The first piston and the second piston can be linked through the traction rope, so that an additional positive pressure or negative pressure device is not needed to drive flushing fluid to flow in the flushing and swinging washing process, the cost of equipment is effectively reduced, and the equipment is more convenient to carry, transport, replace and maintain.

An anti-lunge leash device includes a base, an upper shell detachably connected to the base, a reel, a leash wound in an annular groove of the reel, a locking tongue and a leash extractor. First and second rotating shafts are arranged on an end surface of the base. The reel is arranged around the first rotating shaft. At least one tooth is arranged on the reel. The leash extractor is detachably connected to an edge of the end surface of the base. A notch matching the leash extractor is provided on the upper shell. The locking tongue is arranged around the second rotating shaft. A twisted surface is provided on a side of the locking tongue and fits to the leash. An engaging groove is provided on a side of the locking tongue adjacent to the reel. An edge of the engaging groove and the teeth form a clutch structure.

The utility model relates to a mounting type arch bridge main arch ring maintenance operation platform which comprises a walking system, a suspension system, a platform system and a platform lifting system. The walking system is provided with walking trolleys on the top faces of the two sides of the main arch ring respectively and can walk along rails arranged on the main arch ring, the suspension system is suspended on the two walking trolleys through a cantilever beam, platforms on the two sides of the platform system are located on the two sides of the main arch ring respectively, a lower platform is located below the main arch ring, and a winch of the lifting system is arranged on the suspension system. And the side platform and the lower platform are connected through a traction rope. The main arch ring maintenance platform is directly hung on a main arch ring and walks along the main arch ring, bridge floor traffic can be prevented from being affected, and constructors can carry out all-directional maintenance operation on the main arch ring on the platform.

The invention belongs to the technical field of medical instruments, and particularly relates to a thread hooking device for extraocular surgery, which comprises a handle, a support plate fixedly mounted on the handle, a connector fixedly mounted at one end of the support plate, a limiting block fixedly mounted on the connector, a sliding groove formed in the connector and a pressure block arranged on the connector. A through groove is formed in the supporting plate, a movable groove is formed in the handle, a winding wheel is arranged in the movable groove, the through groove communicates with the movable groove, and the winding wheel is fixedly connected with a traction rope. According to the thread hooking device for the extraocular surgery, due to the arrangement of the limiting hole and the pressing block, a surgical suture can be well limited, the surgical efficiency is improved, the winding wheel is rotated to drive the pressing block to move, and when the winding wheel does not wind the traction rope any more, the reset spring is reset; the connecting block is pushed to drive the pressure applying block to synchronously move to limit and clamp the suture, so that the stability of the surgical suture is improved, the surgical suture is prevented from accidentally falling off, and the surgical efficiency is improved.

The invention discloses an intelligent cable traction system and a cable traction laying control method. A cable traction machine can electrically pull a traction rope and detect traction force in real time. And when the traction force exceeds a preset traction high threshold value, the cable winding and unwinding mechanism can be controlled to reduce the winding speed, so that the traction rope wound on the traction wheel is properly loosened, and the traction force is gradually recovered to be stable. And meanwhile, the cable winding and unwinding mechanism automatically adjusts the winding speed according to extrusion force data fed back by the pressure detection assembly, and it is ensured that the extrusion force is maintained within the preset parameter range. According to the embodiment of the invention, the extrusion force and the traction force are creatively combined, the winding speed of the cable winding and unwinding mechanism is comprehensively regulated and controlled, and the intelligent cable traction system is always in a reasonable working interval during traction and winding of the traction rope through an intelligent control mode, so that automatic traction and winding of the traction rope such as a steel wire rope are realized; therefore, the automatic traction operation of the cable connected with the traction rope is completed, and the intelligence and safety of cable laying construction are improved.

The utility model provides a high temperature resistant traction rope, the traction rope is composed of an outer layer and a plurality of plied yarns located in the outer layer, each plied yarn comprises a core body, a reinforcing layer is arranged on the surface of the core body, a protective layer is coated on the surface of the reinforcing layer, a middle layer is arranged on the surface of the protective layer, and spiral heat conduction wires are wound on the surface of the middle layer. And the surface of the heat-conducting wire is coated with a high-temperature- After the scheme is adopted, the structure is reasonable, the high-temperature resistance is good, and the structure is stable.

The utility model provides an interactive paddling table, which relates to the field of entertainment equipment and comprises a shipway, a traction device and a pedal reversing plate, and the traction device and the pedal reversing plate are positioned at the front end of the shipway; the traction device comprises a traction rope, a rotating wheel and a first sensor, the rotating wheel is connected with the traction rope, and the first sensor is arranged on the rotating wheel; the pedal reversing plate comprises a pedal plate and a reversing valve arranged on the pedal plate. Thus, the traction device is used for controlling the speed, the pedal reversing plate is used for controlling the direction, and compared with an interactive paddle table of a double-paddle structure, the interactive paddle table does not need to reserve enough paddle space when being installed, and the occupied space of the interactive paddle table is reduced.

The utility model relates to the technical field of steel wire rope maintenance, and discloses an automatic steel wire rope oiling maintenance device which comprises a cylinder and further comprises a central pipe arranged in the cylinder. According to the utility model, the original electric mechanical traction device is used for walking and oiling above the steel wire rope, the whole work can be finished by two to three persons after the oiling is finished, and under the condition of no power traction, a hanging wheel can be arranged on the steel wire rope at the front end of the oiling device, a pull ring of the oiling maintenance device is connected with the hanging wheel, and a traction rope is connected below the hanging wheel; and the oiling maintenance work of the steel wire rope can be completed by adopting a manual traction mode. The steel wire rope oiling maintenance device is wide in application range, can effectively carry out oiling maintenance on long-distance and large-span steel wire ropes, achieves the effects of being safe, time-saving, oil-saving, easy to operate, environment-friendly and labor-saving, is wide in application range, and can effectively carry out oiling maintenance on the long-distance and large-span steel wire ropes.

The invention provides a prostate stent which comprises a stent body and a pull rope, the stent body is made of shape memory alloy and comprises at least three supporting ridges extending in the longitudinal direction, and the far ends of every two adjacent supporting ridges are connected through a far side connecting part; the near ends of every two adjacent supporting edges are connected through a near side connecting part. The far end of each pull rope is independently connected with one near side connecting part, the near ends of all the pull ropes are gathered at the far end of the same traction rope, and the support body is folded through the pull ropes.

The utility model discloses an elevator limit switch distance and buffer distance automatic testing device which comprises a traction machine (10) which is arranged at the upper end of an elevator shaft and provided with an encoder, a traction wheel (1) is arranged on the traction machine (10), a guide wheel (2) is arranged on one side of the traction wheel (1), a traction rope (3) is arranged on the traction wheel (1) and the guide wheel (2), and the traction rope (3) is connected with the traction machine (10). An elevator car (4) and an elevator counterweight (5) are arranged at the two ends of the traction rope (3) respectively, a car buffer (6) corresponding to the elevator car (4) and a counterweight buffer (7) corresponding to the elevator counterweight (5) are arranged at the lower end of the elevator shaft, a limit switch (8) is arranged on one side of the elevator car (4), and a collision bow (9) corresponding to the limit switch (8) is arranged on the upper side and the lower side of the side wall of the shaft. The device can be used for automatically testing the distance, and is accurate in detection and low in cost.

The invention discloses a rope-driven knee joint exoskeleton based on lead screw transmission, and relates to the technical field of robots. Through coupling of an internal rigid connection mode of the knee joint assembly and a flexible connection mode between the power assembly and the knee joint assembly, the wearing comfort is improved, the weight is reduced, and the device is more suitable for long-term wearing and training use of children. The exoskeleton comprises a power assembly, a knee joint assembly and a leg binding assembly. The knee joint assembly is bound to the leg through the leg binding assembly; the knee joint assembly comprises a thigh curved surface supporting piece and a shank curved surface supporting piece. The thigh curved-surface supporting piece is hinged to the shank curved-surface supporting piece; the power assembly is arranged on the thigh curved surface supporting piece; the power assembly is connected with the shank curved surface supporting piece through a traction rope. The knee joint exoskeleton is used for improving the performance of the knee joint exoskeleton.

The invention provides a water-stop belt mounting device and method based on a secondary lining trolley, relates to a water-stop belt mounting technology, and particularly discloses a trolley structure, a supporting frame is mounted on one side of the trolley structure, a plurality of end formworks are sequentially arranged on the outer side of the supporting frame and hinged to one another, and the other end formworks are hinged to the other side of the supporting frame. The multiple end formworks are sequentially spliced to be in an arc shape, a second mounting groove is formed in one side of each end formwork, and a first mounting groove is formed in the top of each end formwork. The two traction grooves are formed in the extension direction of the end formwork, the two traction grooves are located in the second mounting groove or the first mounting groove correspondingly, traction ropes penetrate through the traction grooves correspondingly, clamping structures detachably connected with the water stop belts are arranged on the traction ropes, and the clamping structures are arranged in the second mounting groove or the first mounting groove; the traction winch is mounted in the trolley structure, and the traction rope is wound on a winch of the traction winch, so that the waterstop can be effectively prevented from being twisted, deviated or wrinkled in the traction process, and the accuracy of the mounting position is ensured.

The invention provides a well lid extracting device. The well lid extracting device comprises a supporting platform; the adjustable support is arranged at the bottom of the supporting platform and used for supporting the supporting platform, the adjustable support comprises four mounting bases, a supporting device arranged between the mounting bases and the supporting platform and an adjusting device used for controlling the four mounting bases to move close to or away from each other, and universal wheels are arranged at the bottoms of the mounting bases; the lifting bracket is arranged on the supporting platform in a lifting manner; the lifting drive is arranged on the supporting platform and used for driving the lifting support to ascend and descend; one end of each traction rope is connected with the lifting support, the other end of each traction rope is provided with a hook used for fixing a well lid, and the four traction ropes are symmetrically arranged on the peripheral side of the lifting support; and the rope winding device is used for releasing or locking the traction rope. The effect of improving the flexibility of the well lid lifting device is achieved.

A rehabilitation protective gear for plantar fasciitis includes a wearable main body, including a foot board for supporting a sole, and a peroneal guard plate integrally formed on the foot board for extending along a calf; a toe sleeve, detachably disposed at a front end of the foot board; and a traction structure, including a traction rope and a locking structure, one end of the traction rope being threaded in the toe sleeve, and the other end thereof being mounted on the peroneal guard plate. By pulling the traction rope, the toe sleeve is driven to tilt upwards, thereby driving toe ends of a foot body to be upturned. The locking structure is configured to cooperate with the traction rope to lock or unlock the traction rope subjected to length adjustment. The rehabilitation protective gear can improve stretching and comfort, promoting recovery of patients with plantar fasciitis.

The disclosed bidirectionally activated leash release features a transverse cord and a carabiner clip with a frame hingedly connected to a rotating segment. One end of the cord traverses a bore in the frame and attaches to a crossbar, which is rotatably connected to the carabiner clip, while the other end is fixed to a pull strap. The carabiner opens only when opposing tensional forces are applied to the rotating segment and pull strap. The clip can switch between closed and open configurations, enclosing an interior space in the closed state and allowing release of an animal from the device in the open state. An elongated strap with an embedded cord and a connecting module ensures a contiguous tunnel through aligned bores for reliable operation.

The invention relates to a bionic finger, a bionic manipulator and a humanoid robot. The bionic finger comprises at least two knuckles which are sequentially connected in a pivoted mode, a first wiring channel and a second wiring channel are formed in the far knuckle, and third wiring channels are formed in the other knuckles; the roller comprises a first section and a second section, and the diameter of the first section is smaller than that of the second section; the first traction rope is arranged close to the palm side of the bionic finger, one end of the first traction rope is fixedly connected with the first limiting piece, and the other end of the first traction rope sequentially penetrates through the first wiring channel and the third wiring channel to be fixed to the first section; the second traction rope is arranged close to the back side of the bionic finger, one end of the second traction rope is fixedly connected with the second limiting piece, and the other end of the second traction rope sequentially penetrates through the second wiring channel and the third wiring channel to be fixed to the second section.

The invention relates to the technical field of automobile beam testing, in particular to a testing auxiliary mechanism matched with an automobile beam impact testing device, which is characterized in that a moving opening is formed in the surface of a testing table, a moving screw rod is arranged in the moving opening, a lifting groove is formed in the side surface of a moving plate, a storage groove is formed in the bottom of a moving pipe, and an auxiliary pipe is arranged in the storage groove; limiting openings are formed in the side faces of the moving pipes, impact balls are arranged in the moving pipes, and traction ropes are arranged on the surfaces of the impact balls. The device has the beneficial effects that the height of the impact ball in the moving pipe can be adjusted through the limiting supporting plate, so that the impact force of the automobile cross beam is conveniently changed by adjusting the height of the impact ball, and the problem that the impact force is inconvenient to change when an existing device works is solved; and the problem that the impact force of each time cannot be ensured to be the same during continuous testing is solved, so that the deviation of a detection result is not easily caused, and in addition, the problem of deviation of the impact ball can be avoided through the matching of the movable pipe and the auxiliary pipe.

The invention discloses a flexible traction device for pelvic fracture reduction. The flexible traction device comprises a translation unit, a lifting unit, a rotation unit, a traction rope winding and unwinding unit, a traction rope, a tensioning unit, a traction force monitoring unit and a bone nail clamping unit. By means of specific arrangement of the units and cooperative arrangement of the units, the problems that traditional manual traction operation is unstable, traction force is insufficient and the like are solved, damage to soft tissue is reduced, the risk of postoperative complications is reduced, stable and accurate support is provided for large traction force needed by pelvic fracture reduction, and the operation efficiency is improved. And the traction effect and the stability of the traction device are greatly improved.

The utility model discloses a collaborative maintenance robot which comprises a climbing device, a load device, a repairing device and a traction device, the climbing device comprises a first frame, a first clasping mechanism and a climbing driving mechanism, the first clasping mechanism is arranged on the first frame, and the climbing driving mechanism is arranged on the first frame; the load device comprises a second frame, a second enclasping mechanism and a climbing driven mechanism, the second enclasping mechanism is arranged on the second frame, and the climbing driven mechanism is arranged on the first frame; the repairing device is arranged on the second frame; the traction device comprises a winch and a traction rope, the winch is used for winding the traction rope, one of the winch and the traction rope is connected with the first frame, and the other one is connected with the second frame. The climbing device does not need to bear the weight of the load device and the repairing device in the climbing process; when the first holding mechanism holds the cable, the climbing device pulls the load device and the repairing device to move upwards through the traction rope.

The invention discloses an elevator system without a machine room. The elevator system comprises a lift car, a counterweight, a driving device, a traction rope and a control device which are arranged in a lifting channel, the lift car is connected with the counterweight through a traction rope; under the control of the control device, the driving device drives the traction rope to drive the lift car to vertically move along the lifting channel in a traction mode, and meanwhile the counterweight vertically moves along the lifting channel and reversely moves relative to the lift car. The traction ratio of a car side traction rope of the elevator system without the machine room is M, the traction ratio of a counterweight side traction rope is N, and M is larger than or equal to 2 and smaller than N. The counterweight filler disclosed by the invention can be completely made of regenerated environment-friendly materials basically, so that the national green and low-carbon requirements are met, and the elevator cost is effectively reduced; the problem that protruding beams exist in the top space or the bottom pit of a building is effectively solved, and the civil engineering coping capacity of the elevator is further improved; the problems that the installation position of a driving device of an elevator without a machine room is close to a lifting channel top plate, hoisting is difficult, and maintenance and overhaul are not easy to approach are effectively solved.

The utility model discloses a wellhead protection device, and relates to the technical field of wellhead protection. According to the technical key points, the protection bottom frame comprises a foundation ring frame, a bottom ring frame is arranged below the foundation ring frame, the foundation ring frame and the bottom ring frame are fixedly connected through connecting vertical rods, protection grids are fixedly connected to the inner side of the foundation ring frame and the inner side of the bottom ring frame, and an outer ring frame is arranged on the outer side of the foundation ring frame; the basic ring frame is fixedly connected with the external ring frame through a connecting cross rod; and the movable top frame is arranged at a position above the protective bottom frame. According to the wellhead protection device, through the structural matching design of the protection bottom frame, the movable top frame, the anti-inclination traction rope and the supporting vertical rod, the effects of warning and wellhead protection can be achieved when the device is unfolded, accidents are reduced, and when the device is idle, the supporting vertical rod can be detached, so that the device is convenient to use. Therefore, the movable top frame can be folded, the overall space occupation of the device is reduced, and the device is easy to carry.

The invention discloses a bent tube, an insertion part and an endoscope, and relates to the technical field of medical instruments. The bent tube disclosed by the invention is used for an endoscope. The bent pipe comprises a plurality of pipe joints arranged in the axial direction of the bent pipe, and the pipe joints are rotationally connected so that the bending action of the bent pipe can be achieved. The bent pipe is provided with restraining pieces correspondingly arranged on the pipe joints, the restraining pieces are arranged in a sunken mode through pressing bending, guide grooves are defined between the restraining pieces and the side walls of the adjacent pipe joints, and traction ropes are arranged in the guide grooves in a penetrating mode. In the extending direction of the restraint piece, the rigidity of the middle of the restraint piece is smaller than that of the adjacent portion. The scheme at least can be used for improving the bending precision of the active bending section.

According to the bridge wet joint flying die formwork and the construction method thereof, the bridge wet joint flying die formwork comprises a wet joint formwork body and a traction rope, the traction rope is transversely arranged along a bridge and surrounds an erected adjacent beam plate by a circle, and an annular piece is fixedly connected to the traction rope; two lifting ropes are arranged on the upper surface of the wet joint template body, and at least one buckle is arranged on the lower surface of the wet joint template body; the size of the annular piece is larger than that of the opening of the buckle, so that when the annular piece moves to the position of the buckle along with the traction rope, the annular piece cannot pass through the buckle, and therefore the wet joint formwork body can be dragged to move. The formwork is ingenious in structural design, the construction method is simple, convenient and efficient, an operator can complete installation and removal of the wet joint formwork on a bridge floor, under-bridge matching is not needed, and the formwork is particularly suitable for high-pier, river-crossing and under-bridge complex-terrain bridge engineering.

A retractable animal lead assembly 2 with a housing 10 including a biased retractable mechanism 12 attached to one end of a lead 4, and an animal attachment mechanism 6, at the other end of the lead.

The invention discloses a traction machine controlled by maximum traction force, which belongs to the technical field of power grid erection, and comprises a base and a traction assembly, and the traction assembly is provided with a traction rope; the traction control end is used for adjusting the traction force of the traction assembly; the traction control end specifically comprises a data acquisition module used for acquiring cable state data; the cable analysis unit is used for generating a traction adjustment demand index according to the cable state data; the traction force adjusting unit is used for acquiring environmental data in cable erection and mechanical efficiency of a pulley and generating a traction force correction coefficient of the traction assembly; the adjustment control module is used for adjusting the current traction force of the traction assembly according to the traction force correction coefficient of the traction machine; whether the current traction force is in the optimal state or not can be accurately judged, the traction force is dynamically adjusted, cable damage or low erecting efficiency caused by improper traction force is avoided, and therefore the safety of the traction machine during cable erecting is improved.

The invention relates to the technical field of rehabilitation medical equipment, in particular to hand rehabilitation equipment and system based on multi-source data analys.The hand rehabilitation equipment comprises a wearable glove, the wearable glove is made of a flexible and breathable silica gel-fabric composite material and comprises finger parts and a palm part, and the finger parts correspond to five fingers of a human body one to one; each finger part is divided into three sectional mounting positions including a near section, a middle section and a far section in the length direction, and a polytetrafluoroethylene wear-resistant sleeve is pre-embedded in the wearable glove to serve as a traction rope channel; the flexible array type myoelectricity sensors are fixed to the mounting positions of the proximal section, the middle section and the distal section of each finger part, myoelectricity, postures, tension and interaction signals are comprehensively collected, weighted fusion is conducted through an attention mechanism, the motion intention recognition accuracy is larger than or equal to 92%, functional state evaluation is more accurate, and the motion intention recognition accuracy is larger than or equal to 92%. The training mode and parameters are dynamically adjusted according to the real-time state of the user, excessive / insufficient training is avoided, and the rehabilitation efficiency is improved.

The invention discloses a surface-mounted hidden type double-rod clothes airing machine which comprises a main machine shell, a power assembly, airing rods and a traction rope. The two sides of the host shell in the width direction are provided with shell side walls, and the shell side walls are provided with containing grooves extending in the length direction. The power assembly is located in the main machine shell and used for driving the traction rope to be wound and unwound. The traction rope is led out from the power assembly through the accommodating groove and connected with the airing rod; the airing rod is pulled by the pulling rope to lift up and down relative to the main machine shell and is turned over to enter the containing groove when the airing rod is lifted to a rated position, so that the airing rod is hidden, the occupied space of the whole clothes airing machine is greatly reduced, the integrity of the lower surface of the main machine shell is kept, and the clothes airing machine is more convenient to use. And the appearance of the host shell in the storage state is more concise and smoother.