2664 results about "Traction cord" patented technology

The invention discloses a driving structure of a traction rope, an operating handle and an endoscope, and relates to the technical field of medical instruments, the driving structure comprises a guide part and a traction wheel, the guide part is used for winding the traction rope and enabling the winding-in direction and the winding-out direction of the traction rope in the guide part to be opposite, and the traction wheel is rotationally arranged relative to the guide part. The traction wheel is provided with a connecting part which is used for being connected with the near end of the traction rope. The connecting part can rotate by the same angle along with the traction wheel, the connecting part rotates relative to the guide part, and the traction ropes located on the two sides of the guide part are tensioned or loosened. And when the traction wheels rotate at the same position, the overall tensioning or loosening distance of the traction rope is longer. Compared with the prior art, the endoscope has the advantages that the range of shifting the regulation and control part by medical staff can be reduced, the small shifting range is more suitable for long-time operation of the medical staff, discomfort caused by operation of the operating handle by the medical staff is reduced, and the using effect and the application prospect of the endoscope are improved.

Provided are a self-locking apparatus, an endoscope handle, and an endoscope. The self-locking apparatus comprises a driving lever (310), a rotating shaft (320), a traction rope driving member (330), an elastic member (340), and a first limiting assembly. The traction rope driving member (330) is synchronously and rotationally connected to the rotating shaft (320). A sliding stroke is provided between the traction rope driving member (330) and the rotating shaft (320) in an axial direction of the rotating shaft (320). The first limiting assembly comprises a resistance member (351). An axial movement stroke of the rotating shaft (320) comprises a first position and a second position. The elastic member (340) comprises a mounting portion (342) and an arc-shaped elastic portion (341). The self-locking apparatus can effectively avoid the problem in the prior art that teeth and tooth grooves on a driven gear and a driving gear are damaged due to the action of the elastic member on the driven gear. Meanwhile, the resistance corresponding to a unit length deformation generated by the arc-shaped elastic portion (341) of the elastic member (340) is reduced, the movement space for elastic deformation of the arc-shaped elastic portion (341) is increased, and the resistance encountered by the arc-shaped elastic portion (341) during a relatively large elastic deformation is reduced, so that a medical worker can easily and quickly complete state switching control, thereby improving the use convenience of the endoscope.

The invention discloses a dexterous hand finger based on connecting rod transmission, a bionic mechanical arm and a humanoid robot, belongs to the field of bionic mechanical arms, solves the problem that a transmission mechanism of an existing dexterous hand is low in response speed, and adopts the technical scheme that the dexterous hand finger mainly comprises a finger base and a finger body, a driver and a transmission mechanism in transmission connection with the driver are arranged on the finger base, the driver drives the finger body to bend and / or swing through the transmission mechanism, the transmission mechanism comprises a guide piece and a sliding block installed on the guide piece in a sliding mode, and the sliding block is in transmission connection with the finger body. A traction rope connected with the sliding block is wound on an output shaft of the driver, the driver controls the output shaft to rotate forwards and backwards so as to drag the sliding block to slide back and forth along the guiding piece through the traction rope, and then the finger body is controlled to bend and / or swing. The finger is mainly used for driving the sliding block to move through the pulling rope so as to control the finger body to bend and swing, and the response efficiency of the finger body can be improved.

The present invention relates to the technical field of pipeline installation, specifically, pipeline installation equipment based on BIM technology, including a hoisting mechanism that can be detachably suspended from a tower crane hook, the hoisting mechanism including two hoisting platforms, electric hoists installed inside both ends of the hoisting platforms, a rope 1 for traction transmission outside the electric hoist, a rope 2 detachably fixed below two adjacent ropes 1, and a plurality of steel balls fixed in series on the outside of one of the ropes 2. In the present invention, whether two pipelines are at the same height is judged by observing whether the bubble of the level on the traction rope is in the middle position, which is convenient for construction personnel to quickly identify whether the pipeline is in the installation position, and rope 1 is respectively wound and released by two electric hoists, so that rope 2 is supported with steel balls to the gap between the bottom of the pipeline and the bottom of the buried trench, so as to prevent the pipeline interface from tilting due to the low terrain at the bottom of one end of the pipeline and generating shear force, which is beneficial to ensure the safety of the pipe mouth after the pipeline is docked.

The utility model provides a curtain folding and unfolding mechanism. The curtain folding and unfolding mechanism comprises a curtain frame, a curtain body, a curtain sliding block fixed on the curtain body, a folding and unfolding driving source and a folding and unfolding transmission unit, the folding and unfolding transmission unit comprises a traction assembly, a first traction rope and a second traction rope, the first traction rope and the second traction rope are connected between curtain sliding blocks on the two sides of the curtain body, the first traction rope is provided with a first anchoring point, the second traction rope is provided with a second anchoring point, and the folding and unfolding driving source is connected with the first anchoring point and the second anchoring point through the traction assembly. And one part of the first traction rope and / or the second traction rope is bent and accommodated in a curtain movable guide rail on the outer side of the curtain body. When the curtain movable guide rails rotate to switch the forms, the traction structure formed by the first traction rope and the second traction rope can be matched with the curtain movable guide rails in different forms, and the traction structure can be used for driving the curtain sliding block to ascend and descend and can be assembled in the curtain movable guide rails in the switching forms.

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 relates to the technical field of assembly type wall bodies, and provides an assembly type building detachable wall body which comprises two erecting frames which are arranged in a mirror image mode and serve as a containing area for the assembly type building to place the wall body. The number of the main end bases is two, auxiliary end bases are slidably connected to the front sides and the rear sides of the main end bases correspondingly, a plurality of wallboards are connected to the sides, close to each other, of the auxiliary end base at the top end and the auxiliary end base at the bottom end through traction ropes, and the wallboards are spliced into a wall surface; and side plates are fixedly connected to the left end and the right end of the top side of the main end base at the bottom end. The wall body can be folded and stored in an unassembled state, the size is obviously reduced, the occupied space is greatly reduced, the wall body is more convenient to transport and store through the design, the transport efficiency is improved, meanwhile, the transport and storage cost is reduced, and the wall body is particularly suitable for the modular construction requirement of an assembled building.

The utility model discloses a pet tractor which comprises a tractor body, a traction rope, a connecting mechanism and a connecting buckle, the tractor body is in transmission connection with the connecting mechanism through the traction rope, and the connecting buckle is detachably connected with the connecting mechanism. The tractor body can drive the connecting mechanism to act through the traction rope so that the connecting buckle can be separated from the connecting mechanism, safety can be improved, and accidents can be reduced.

The invention discloses an insertion part and an endoscope, and relates to the technical field of medical instruments. Wherein the insertion part comprises an active bending section, a passive bending section, a first limiting structure, a second sleeve and a traction rope. A first limiting structure is arranged on a passive bending section, a limiting channel is formed in the first limiting structure, a second sleeve is arranged in the limiting channel, and the second sleeve can be movably arranged in the limiting channel in the axial direction of the limiting channel and can selectively stretch into a wire passing hole of a snake joint in an active bending section. The traction rope is arranged in the second sleeve and can move in the axial direction of the second sleeve, the traction rope is further connected to the snake joint located at the far end, the traction rope can be used for pulling the active bending section to be bent, and the second sleeve can be used for changing the bending radius of the active bending section. Therefore, according to the insertion part provided by the embodiment of the invention, the bending radius of the active bending section can be adjusted.

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.

The invention discloses a traction mechanism, a handle and an endoscope, and relates to the technical field of medical instruments. The traction mechanism comprises a shifting wheel, a first traction rope and a second traction rope, the first traction rope and the second traction rope are wound on the two sides of the shifting wheel, the traction mechanism further comprises a first rotating part and a second rotating part, and the far end of the first traction rope and the far end of the second traction rope are fixedly connected with the far end of an active bending section of the endoscope. The near ends of the first rotating part and the second rotating part are fixed to the first rotating part and the second rotating part respectively, the first rotating part and the second rotating part are rotationally connected with the shifting wheel, the first rotating part and the second rotating part at least have a first state and a second state based on rotation of the shifting wheel, and in the first state, the first rotating part and the second rotating part rotate in the same direction as the shifting wheel; in the second state, one of the first rotating part and the second rotating part rotates in the same direction as the shifting wheel, and the other one is kept fixed. According to the traction mechanism, under the condition that the size of the shifting wheel is reduced, it can be guaranteed that the limit bending angle of the active bending section is not affected.

The present invention provides a dance leg-kicking training device and a training method. The device includes a support frame, a rolling member, a traction rope, a leg fixing member, a driving mechanism and a sensor assembly. The rolling member is arranged on the support frame. The first end of the traction rope is wound around the rolling member, and its second end is connected to the leg fixing member. The driving mechanism is arranged on the support frame and connected to the rolling member, and is used for driving the rolling member to roll, so as to contract or extend the traction rope, and further lift or lower the leg. The sensor assembly is arranged at a relative interval with the support frame and electrically connected to the driving mechanism, and is used for controlling the driving mechanism to be in a static state when the leg kicks to a preset angle, so that the leg can stay at the preset angle, which can relax the muscle tissue of the thigh root and achieve the training effect of making the legs slender and straight. The present invention standardizes the action requirements and training skills of ground leg-kicking training through the dance leg-kicking training device, and improves the safety and autonomous training efficiency of leg-kicking training.

The invention discloses VR glasses, and belongs to the technical field of VR glasses, the VR glasses comprise a device main body, the inner side of the device main body is clamped with a face contact sleeve for increasing the contact comfort, and the face contact sleeve is internally provided with a movable sleeve for absorbing face sweat; an adjusting assembly used for adjusting the position of the movable sleeve is further installed in the face contact sleeve. When the movable pulley block is used, the length of the part, extending out of the supporting sleeve, of the supporting rod can be adjusted according to needs, then the number of the labor-saving wheels located outside the supporting sleeve is controlled, then the hooks located outside the supporting sleeve are connected together through the connecting rods, and according to the characteristics of the movable pulley block, the more the labor-saving wheels are located outside the supporting sleeve; and the force required by the traction rope to pull the equipment main body is smaller, so that the pressure borne by the top end of the head is smaller, and the pressure borne by the neck of the wearer is reduced.

The invention discloses a flexible gallery type crossing pay-off system with an automatic opening and closing tackle, which comprises a traction walking board, a main frame body, a pay-off tackle and a wire pressing tackle, the pay-off tackle is mounted at the lower end of the main frame body, the wire pressing tackle is elastically, vertically and slidably mounted at the upper end of the main frame body, and a clamping area is formed between the wire pressing tackle and the pay-off tackle; when the traction walking plate is matched with the clamping area, the wire pressing tackle is suitable for being driven by the traction walking plate to slide and be far away from the paying-off tackle; when the traction walking board crosses the clamping area, the wire pressing tackle is suitable for moving downwards under the action of gravity and elastic force and getting close to the wire paying-off tackle, and then the drawn wire is located in the closed clamping area. The wire pressing tackle has the advantages that the phenomena of wire jumping and groove jumping of a traction rope and a wire before and after paying off can be prevented, the clamping area can be automatically opened and closed under the action of the traction walking plate, in other words, manual interference operation on the wire pressing tackle is not needed in the whole process, manpower is saved, and working efficiency is improved.

The invention discloses a detection device for electrical equipment, and relates to the technical field of electrical maintenance. Comprising an operating rod, a detection structure is installed on the operating rod and comprises a rail rod, the rail rod is installed at one end of the operating rod in a T shape, detection probes are installed at the two ends of the rail rod respectively, a traction base is slidably installed on the operating rod, and the two sides of the traction base are connected with the detection probes through connecting rods respectively; the traction seat is connected with a positioning rod which is connected with a traction rope; a control structure is mounted at one end of the operating rod and comprises a control rod, and a control block is slidably mounted in the control rod; a rope loop is installed on the control block, a positioning block is arranged in the operating rod, and the traction rope is wound around the rope loop to be connected with the positioning block. The device can be accurately controlled at a longer distance for detection, and is convenient to operate and higher in safety.

The present invention relates to a fastening assembly (1, 1') adapted to be applied to a sports footwear (100) provided with a pair of flaps (L1, L2) to be moved mutually towards / away In particular, said system (1, 1') comprises at least: one traction cable (10) adapted to be connected with a first end (11) to a flap of said pair of flaps (L1, L2) and which can be associated, with at least a portion, with the other flap of said pair of flaps (L1, L2), a reel-based tightening device (20) adapted to be fixed to a flap of said pair of flaps (L1, L2), and arranged and configured to tighten a second end (12) of said traction cable (10), and a lever fastening device (30) adapted to be fixed to said pair of flaps (L1, L2), and arranged and configured to cooperate with an intermediate portion of said traction cable (10). Furthermore, the present invention relates to a sports footwear (100) comprising a fastening assembly (1, 1').

The invention relates to the technical field of overhead line maintenance operation, and provides an overhead line maintenance operation method combining a lifting device and a transverse walking device. Operation is carried out on a wire only by matching with an unmanned aerial vehicle, and a ground operator operates the unmanned aerial vehicle and puts in a traction rope; a ground operator fastens a static rope for the lifting device and a personal anti-falling backup protection rope on the transverse walking device, hangs the transverse walking device on a wire by using a traction rope, then installs the lifting device, fastens a safety belt by an equipotential operator, sits on the lifting device, and then lifts the lifting device on the ground. A worker can reach an on-line position by operating the device, and then enters a defect position of a live line to carry out work by using the transverse walking device, so that the application range of the lifting device is expanded, accurate positioning can also be realized in maintenance operation in a large-span span area, the requirement of the worker for carrying physical intensive equipment such as a rope ladder is reduced, and the working efficiency is improved. And the physical burden of workers during high-altitude operation is relieved.

The utility model discloses an intelligent emergency pet traction rope which comprises a tractor, a chest strap, a traction rope body, a connecting device and a first control device. The connecting device comprises a connecting shell, an inserting rod, a magnetic attraction piece and an electromagnet. First clamping hooks are arranged on two sides of one end of the insertion rod, and the other end of the insertion rod is connected with the tractor through a traction rope; a mounting groove is formed in the connecting shell; the electromagnet and the magnetic attraction piece are arranged in the mounting groove; a guide rod is arranged at the top of the magnetic part; a first fixing plate is arranged at the top of the mounting groove; first connecting rods are hinged to the two sides of the movable plate; second connecting rods are hinged to the two sides of the first fixing plate. A second clamping hook is hinged to the other end of each second connecting rod; the other end of each first connecting rod is hinged to the corresponding second connecting rod; the connecting shell is connected with the chest strap; and the first control device is arranged on the tractor and is in signal connection with the electromagnet. According to the utility model, remote unlocking can be realized through the control device, so that the safety of a pet can be ensured when an accident occurs.

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 pier column concrete automatic vibrating device for bridge construction comprises a hanging box, the hanging box is installed at the top of a supporting formwork in a matched mode, a top hanging assembly is installed at the top of the interior of the hanging box and comprises a top plate, the top plate is fixedly arranged at the top of the interior of the hanging box, and a discharging hopper is fixedly arranged in the middle of the top plate; the blanking hopper is used as a diversion structure of concrete and curing water; the outer wall of the upper guide ring is symmetrically sleeved with spraying assemblies. Outer supporting assemblies are arranged at the bottom of the upper guide ring at intervals, each outer supporting assembly comprises supporting frames and an outer ring plate, the supporting frames are symmetrically arranged on the two sides of each outer ring plate, and the supporting frames are fixedly arranged in the hanging box; two traction wheels are symmetrically arranged on the surface of the top plate, a second traction rope is wound around the outer wall of each traction wheel, and the bottom ends of the two second traction ropes are connected with the inner supporting assembly. By arranging the automatic vibrating mechanism capable of automatically ascending and descending, layered vibrating can be quickly completed, and the safety is higher.

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 an active bending section, an insertion part and an endoscope, and belongs to the technical field of endoscopes. The driving bending section is provided with two steering notch sets arranged in the first radial direction of the driving bending section and two guiding structure sets arranged in the second radial direction of the driving bending section. The steering notch set comprises a plurality of steering notches distributed in the axial direction of the active bending section, and the steering notches penetrate through the pipe wall of the active bending section. The guide structure group comprises a plurality of guide structures which are arranged in the axial direction of the active bending section, and each guide structure is formed by deforming a part of the pipe wall of the active bending section towards one side of the inner surface of the active bending section and is provided with a traction channel through which a traction rope of the endoscope penetrates; the first radial direction and the second radial direction are not parallel, the guide structure is connected with a stop part, and the stop part is used for supporting the traction rope arranged in the guide structure in a penetrating mode so as to prevent the traction rope from deviating towards the first radial direction. In the application, the backstop part is arranged to prevent the traction rope from deviating towards the first radial direction, so that the traction rope is prevented from influencing the bending of the active bending section.

The invention discloses a winding control mechanism, a control method thereof and a bronchoscope surgical robotic.The winding control mechanism comprises an assembly base, a plurality of winding wheels, a plurality of driving parts, a catheter and a bending unit, and the winding wheels are arranged on the assembly base; a transmission shaft of the driving part is in butt joint with the reel, and the driving part is used for driving the reel to rotate; one end of the guide pipe is connected with the assembling base, and the bending unit is arranged at the other end of the guide pipe. A plurality of traction ropes arranged at intervals in the radial circumferential direction of the guide pipe are arranged in the guide pipe, one end of each traction rope is wound around the reel, and the other end of each traction rope is connected with the bending unit. The winding control mechanism is used for the surgical robot, the multiple driving parts drive the winding wheel to rotate so as to pull the traction rope, the bending action of the bending unit can be automatically completed, and the control precision can be improved.

The invention discloses a connecting device facilitating rapid butt joint of heat supply pipes, and relates to the technical field of heat supply pipelines, the connecting device comprises a first outer frame and a second outer frame, a clamping part is arranged at the upper end of a lifting plate, adjusting parts are arranged in supporting legs, first electric push rods are symmetrically arranged on one side of the first outer frame, and a second electric push rod is symmetrically arranged on the other side of the first outer frame. Sliding rods are arranged in sliding holes in the upper ends of the first outer frame and the second outer frame in a sliding mode, one end of each sliding rod is fixedly connected with one end of a first traction rope, and a hoisting mechanism is arranged at the upper ends of the two connecting discs. According to the heat supply pipe body clamping and fixing device, the pressing frame and the two adjusting sliding rods are arranged, so that a heat supply pipe body with any diameter can be conveniently clamped and fixed, the heat supply pipe body can be clamped and fixed in a narrow tunnel by arranging a limiting mechanism, and when the heat supply pipe body is clamped and fixed through the pressing frame, a clinging wheel and a rotating block, the heat supply pipe body can be clamped and fixed through the pressing frame, the clinging wheel and the rotating block. And the heat supply pipe body can be lifted and fixed without the help of other equipment.

The invention discloses a low-energy-consumption building enclosure structure, which relates to the technical field of building enclosure, and comprises an enclosure mechanism, the enclosure mechanism comprises a cross beam, a frame, a chute, a winding wheel and a traction rope; sliding mechanisms are symmetrically arranged on the two sides of the cross beam, each sliding mechanism comprises a water tank, a water inlet is formed in the top of one end of each water tank, a shell is installed on the side face of each water tank, a plurality of water outlets are formed in the side face of each water tank at equal intervals, and two sliding blocks are symmetrically fixed to the two sides of each water tank; the sliding blocks are connected into the corresponding sliding grooves in a sliding mode. A cleaning mechanism is mounted at the bottom of the water tank and comprises a cleaning brush; a scraping mechanism is arranged in the shell and comprises a plurality of lifting columns installed in the shell at equal intervals, and a scraping plate is jointly installed at the bottoms of the lifting columns. The device has the advantages of being capable of removing stubborn stains on the glass roof and effectively shoveling accumulated snow.

The present invention belongs to the technical field of washing machines, and specifically relates to a drainage structure of a washing machine, comprising an inner barrel and an outer barrel, a main shaft is provided at the bottom of the inner barrel, the main shaft passes through the outer barrel, and the main shaft and the outer barrel are rotatably sealed and connected, a guide groove is provided on the wall of the inner barrel, a drainage port is provided at the bottom, a switchable drainage valve is provided correspondingly below the drainage port, a drainage pipe is provided at the bottom of the outer barrel, a pressure plate which can slide up and down is sleeved on the main shaft, a directional key is connected between the pressure plate and the main shaft, a supporting rod is connected between the pressure plate and the drainage valve, a supporting wheel which is in rolling contact with the pressure plate is provided below the pressure plate, a lever is provided below the pressure plate, a supporting wheel is provided in the middle of the lever, a pillar is connected at the right end, an elastic telescopic arm is connected at the left end, and a traction rope is movably passed through the middle of the elastic telescopic arm; the inner barrel is directly drained from the bottom and flushed out through the drainage pipe of the outer barrel, and there is no water in the outer barrel during the washing process, which solves the problem of dirt and grime hidden in the interlayer between the inner and outer barrels of the traditional washing machine, and is beneficial to protecting clothes and human health.

The embodiment of the utility model discloses a device for measuring the bending form of an endoscope. The device comprises a base; the displacement measuring assembly is installed on the base and connected with a traction rope of the endoscope to measure the moving stroke of the traction rope; the pulling force measuring assembly is connected with a pulling rope of the endoscope so as to measure the pulling force applied to the guiding joint by the pulling rope; the bending radian measuring assembly is mounted on the base and is used for measuring the bending radian of the guide joint; and the clamping assembly is mounted on the base and is used for clamping the endoscope. The measuring device can directly measure key parameters such as the pulling force and the stretching length of the pulling rope and the bending angle of the guiding joint when the endoscope moves, real and accurate data can be provided for follow-up endoscope movement analogue simulation, and meanwhile the measuring device is simple in structure and convenient to operate. The device is suitable for measuring endoscopes with different external diameters and lengths.