913 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 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 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 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 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.

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 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 relates to the technical field of robots, and provides a multi-arm high-flexibility mobile operation robot which comprises a mobile platform, mechanical arms and a multi-degree-of-freedom movement assembly. The flexible arm with the hooke joint connected movable joints and the traction ropes evenly distributed in the circumferential direction is arranged and matched with the driving mechanism to accurately adjust the joint postures, the tool head is rapidly replaced in combination with the rapid replacement device, the multi-degree-of-freedom movement assembly adjusts the space postures of the mechanical arm, the mechanical arm has high flexibility and accurate controllability, and the mechanical arm can pass through a narrow space and is high in practicability. And meanwhile, diversified operation requirements are met, and operation safety and efficiency are guaranteed.

The present application relates to geotechnical engineering technical field, specifically disclose a hole bottom expansion type anchor cable traction device and its construction method, including expansion bag, the expansion bag is connected with pipeline;Expansion bag is connected with push assembly;Expansion bag is also installed with pulley, pulley is wound with traction rope.The present application pushes expansion bag to the hole bottom of hole through push assembly, fills expansion bag by using pipeline, fills to expansion bag expansion and extrudes to the rock wall of hole, forms extrusion type fixed connection;And the pulley is fixed on the expansion bag, one end of the traction rope is connected to the anchor cable, when the other end of the traction rope is pulled from the orifice, the anchor cable is reversely forced from the hole bottom, the front end of the anchor cable is pulled to the hole bottom of the hole, and the anchor cable is guided, so that the lower cable process of the anchor cable is not easy to form jam with the hole, so as to avoid the damage or position deviation caused by friction, scratching in the process of lowering the cable, improve the construction quality, safety and work efficiency.

The utility model discloses a neurology department examination lifting device, relates to medical instrument technical field, including support frame, the lower side of support frame close to left and right side position is fixedly connected with two moving platform that left and right symmetrical distribution, the inner side of support frame upper wall is rotatingly connected with lifting mechanism, and the lower side of the lifting mechanism is fixedly connected with two fixing mechanisms which are symmetrically distributed left and right. According to the lifting device for examination in the neurology department, the winding disc is driven by the first motor to rotate, so that the first traction rope pulls the fixing mechanism to move up and down, the second winding disc is driven by the third motor to rotate, and the rotating plate is inclined to adapt to the trend of limbs of a patient, so that the limbs of the patient are lifted and explored; the first traction rope and the second traction rope are adopted, so that the problem that parts are seriously abraded due to frequent rotation of a threaded rod when the threaded rod is adopted for lifting is solved.

Provided is a simulation device and method for an entire process of fire initiation of a mining belt. The simulation device includes: a workbench, a fixing belt clamp, a sliding belt clamp, heat source assemblies, a traction rope, a traction assembly, a high-speed camera, goose neck pipes, and a multi-parameter sensor. The simulation method includes: clamping a belt sample; selecting five monitoring points from the belt sample, and extending five goose neck pipes to the corresponding monitoring points; reckoning heat required for a heating and spontaneous combustion process of the belt sample, and reversely reckoning power supply parameters; sprinkling coal samples on the belt sample, switching on a power source of the heat source assemblies for heating the belt sample, and acquiring temperature, flue gas components and image data; and analyzing the data, and summarizing a temperature distribution rule of the belt sample and a gas generation rule.

The invention relates to the technical field of power transmission line construction, in particular to a power transmission line wire laying construction method which comprises the steps of dividing a wire laying section and arranging a tension field and a traction field. A paying-off tackle is hung; the second guide rope is unfolded in a one-traction-three traction unfolding mode; the traction rope is unfolded in a one-traction-one traction unfolding mode; the lead is spread in a one-traction-two traction spreading mode, and efficient and safe spreading of the six-split large-cross-section lead is achieved through the six-split large-cross-section lead spreading device.

The utility model discloses a traction rope guide mechanism applied to a winch and the winch, and the traction rope guide mechanism applied to the winch comprises a reel cylinder assembly, a rope guide assembly and a rack assembly, a winding shaft cylinder in the winding shaft cylinder assembly is provided with a spirally-distributed pulling rope limiting groove capable of allowing a rope to be wound, the rope guiding assembly comprises a guiding block, the outer portion of the guiding block is provided with a protruding sliding block, and the guiding block is arranged in a sliding space between the machine frame assembly and the winding shaft cylinder assembly. Therefore, the guide block can move linearly in the sliding space along with the sliding block under the driving of the rotating motion of the reel cylinder, the traction rope arranged in the traction rope guide groove of the guide block in a penetrating mode can be kept in a vertical state, and the phenomenon that the traction rope can be obliquely pulled is avoided. The traction rope guide mechanism applied to the winch and the winch have the advantages of being easy to operate, high in safety and long in service life.

This invention discloses a traction device and a maintenance culvert for a deep-sea submersible undergoing maintenance. The traction device includes: a first traction assembly disposed on both sides of the axis of the maintenance culvert and movable along the axis of the maintenance culvert; a traction rope for connecting the first traction assembly to both ends of the deep-sea submersible and driving the deep-sea submersible to move within the maintenance culvert via the first traction assembly; and a second traction assembly for providing traction force to both sides of the deep-sea submersible after it has been pulled into position by the first traction assembly, to prevent the deep-sea submersible from swaying. By applying force to both ends of the deep-sea submersible using the traction rope via the first traction assembly, the deep-sea submersible can be dragged within the maintenance culvert, thereby reaching a designated position within the maintenance culvert. Simultaneously, the second traction assembly provides traction force to both sides of the deep-sea submersible to prevent swaying and ensure stable positioning of the deep-sea submersible.

The present application relates to the field of bridge construction, specifically to a double-hung basket hoisting construction device, the adjusting assembly comprises a sliding cross beam, a transverse jack and a longitudinal jack, the longitudinal jack is installed at the upper end of the double-hung basket, the other end of the longitudinal jack is connected to the sliding cross beam, a pair of oppositely arranged transverse jacks are arranged at the two ends of the sliding cross beam, and the front end of the double-hung basket is provided with a correction assembly, beneficial effects are that: the double-hung basket composed of double trusses is arranged, the support for hoisting the prefabricated part is realized, the strength of the hoisting support is improved, the transportation and positioning adjustment of the prefabricated part are realized by adjusting the float box and the traction rope, the positioning of the correction device is matched, the hoisting beam is accurately matched with the ear seat on the prefabricated part, the hoisting precision is improved, the prefabricated part is accurately matched with the box girder after hoisting, and therefore the efficiency and precision of bridge construction are greatly improved.

The cervical vertebra tractor comprises a traction frame and a traction rope, a telescopic frame is fixed to the right side of the traction frame, a telescopic rod is movably installed in the telescopic frame, the top end of the telescopic rod is movably connected with a frame rod through a limiting rotating shaft, and fixed pulleys I are installed at the two ends of the frame rod; a guide rod used for fixing the fixed pulley II is further installed on the right side of the telescopic frame. A head traction belt hung on the head can be kept stable through a sliding rod, the situation that the head of a patient swings at will during correction, the traction effect is affected, and the head is kept stable is avoided, tightening or loosening of a traction rope is achieved through winding of adjusting equipment, and the height of the head traction belt is adjusted; therefore, adaptation to heights and requirements of different patients is achieved.

The cervical traction device comprises a base, a rack, a first electric push rod, a second electric push rod and a traction rope, the rack is rotationally arranged on the base, the first electric push rod is installed on the base, and the end, away from the base, of the first electric push rod is hinged to the rack; an adjustable cantilever is arranged at the top end of the rack, a second electric push rod is arranged on the rack, a force sensor is connected between the telescopic end of the second electric push rod and the cantilever, a supporting rod is arranged in the cantilever, a locking handle for adjusting displacement of the supporting rod is arranged at the end, away from the second push rod, of the cantilever, and a traction rope is installed at the tail end of the supporting rod. Traction hooks are connected to the lower ends of the traction ropes. The traction device has the effects of meeting the treatment requirements of a patient in different postures, achieving multi-angle personalized traction and improving the treatment comfort level.

The present invention discloses a device for online disassembly and replacement of a universal joint, comprising a ⌚-shaped operating frame, comprising an upper crossbeam, a lower crossbeam and a longitudinal beam, wherein the upper crossbeam and the lower crossbeam are respectively vertically welded to the two ends of the longitudinal beam. The present invention promotes the ⌚-shaped operating frame to the limit position by pushing a lifting rod, utilizes a limit plug rod to cooperate with a driving mechanism to rotate the ⌚-shaped operating frame 90 degrees, so that the hook and the balance hook are located at the top state, adopts a gantry as a driving crane, connects the hook and the balance hook with the help of at least two strands of steel wire traction ropes, so that the ⌚-shaped operating frame can be towed and lifted, and the entire ⌚-shaped operating frame stands up in a stable and vertical posture, which is convenient for operators and auxiliary personnel to accompany safely, and is lifted to the universal joint, and is clamped and limited by a clamping hoop limiting part. After the universal joint is tightly clamped, the operator disassembles the universal joint and then lifts it out to achieve replacement, thereby solving the hidden danger of the universal joint being easy to slip in the prior art, and significantly improving safety and work efficiency.

The invention belongs to the technical field of intelligent logistics conveying, and particularly relates to a suspension type logistics conveying device which comprises a track section, a traction rope penetrates through the interior of the track section, the outer side of the traction rope can be connected with a traction mechanism, multiple sets of connecting blocks are slidably connected to the interior of the track section, and the connecting blocks are slidably connected to the exterior of the traction rope. Supporting wheels are rotationally connected to the two sides of the bottom end of the connecting block, a moving motor is installed on one side of the connecting block, a connecting plate is fixed to the bottom end of the connecting block, a connecting frame is rotationally connected to the bottom end of the connecting plate, and a conveying hook is rotationally connected to the connecting frame; the package is weighed through the lifting hook and the feeding motor, when the weight is high, the two connecting blocks are controlled to be close to each other, the two conveying hooks suspend a suspension belt of the package at the same time, and the weight of the single connecting block can be shared, so that the weight cannot be concentrated on a single position, the weight borne by a single point of a track section is reduced, and the production efficiency is improved. And the abrasion and damage speed of the track section is reduced.

The utility model relates to the technical field of elevators, in particular to an elevator for step ladder transformation, which comprises a pair of rails used for being mounted on two sides of a step ladder, a pedal platform is mounted on the pair of rails in a sliding manner, a rotating shaft transversely penetrating through the pedal platform is rotatably connected onto the pedal platform, reels are mounted at two ends of the rotating shaft respectively, and the reels are mounted on the pair of rails. A wiring groove is formed in the periphery of the reel, a traction rope is wound through the wiring groove, a motor for driving the rotating shaft is installed on the pedal platform, and the motor is installed on the pedal platform, so that the motor is more convenient to install, tedious operations such as punching and threading of stairs are avoided, and popularization of elevator transformation is more convenient.

The utility model provides a sengstaken-blakemore tube traction frame which comprises a tubular stand column, a wheel groove is formed in the top end of one side of the tubular stand column, the inner side of the tubular stand column is communicated with the outside through the wheel groove, a fixed pulley is installed in the wheel groove, and the outer ring of the fixed pulley is tangent to the central axis of the tubular stand column. One end of the traction rope is connected with the sengstaken-blakemore tube, the other end of the traction rope is arranged in the tubular stand column after bypassing the outer ring of the fixed pulley, the other end of the traction rope is fixedly connected with a bottom support, and more than one weight is arranged on the bottom support. The technical problems that in the prior art, a traction rope pulls a sengstaken-blakemore tube to hurt a patient when a heavy object is touched during passing, floor type traction occupies space when sliding, and traction precision is not high are solved.

The invention relates to the technical field of trays, in particular to a convenient-to-assemble aluminum alloy tray which comprises two supporting plates and further comprises a supporting plate arranged between the two supporting plates, a plurality of transverse plates are hinged between the supporting plate and the two supporting plates respectively, and pin shafts are arranged between the transverse plates and the supporting plates and between the transverse plates and the supporting plates respectively. The two ends of the transverse plate are rotationally arranged on the supporting plates and the supporting plate through pin shafts, and when the supporting plate is pulled downwards based on the two supporting plates, the transverse plate is inclined between the supporting plates and the supporting plate; the traction assembly is arranged between the supporting plate and the supporting plate and used for limiting the supporting plate and the transverse plate when the supporting plate is pulled downwards, and the traction assembly comprises traction ropes arranged among the supporting plate, the supporting plate and the transverse plate, so that the equipment is more convenient to use and carry, manual binding is reduced, meanwhile, loss of parts is avoided, and the equipment is more convenient to use and carry. And the use convenience of the equipment is further improved.

A boulder transfer device for constructing a concrete retaining wall on a bank includes a mobile vehicle, a robotic arm, a gripping claw assembly, a first traction device, and a second traction device. The robotic arm is mounted on the mobile vehicle. The gripping claw assembly includes several claw teeth symmetrically arranged in a divergent pattern at the end of the robotic arm. The tip of each claw tooth is connected to the end of the robotic arm. A first traction device is provided between the ends of two adjacent claw teeth, and all the first traction devices at the ends of the claw teeth use the same traction rope. The second traction device is installed above the connection point between each claw tooth and the robotic arm, on the side wall of the robotic arm. The second traction device corresponds one-to-one with each claw tooth, and the traction rope of the second traction device passes through the corresponding claw tooth and is fixedly connected to the end of the corresponding claw tooth. Each claw tooth includes several connecting rod modules, which are connected end to end. This transfer device can automatically control the claw teeth to grip boulders according to their shape and size, making it highly adaptable.

This application discloses an intelligent friction coefficient measurement system, method, electronic device, and storage medium, relating to the field of friction coefficient measurement. The system includes an intelligent traction trolley, a detection block of known weight, a traction rope, a tension sensor, and an image acquisition device. The intelligent traction trolley includes a vehicle body, a main control module, a drive motor, and a human-machine interface module. The intelligent traction trolley moves at a constant speed via the drive motor, causing the detection block to move synchronously. The tension sensor measures the tension in real time, and the image acquisition device acquires images of the target to determine the spatial attitude parameters of the traction rope. The main control module calculates the actual effective tension based on the spatial attitude parameters and the tension signal, and then calculates and displays the maximum static and dynamic friction coefficients in conjunction with the weight of the detection block. This solves the problems of insufficient measurement accuracy, poor operational stability, and errors caused by the attitude of the traction rope in existing technologies, achieving automated, high-precision intelligent measurement.