21 results about "Mechanical traction" patented technology

The utility model discloses an anti-abrasion device for a steel wire rope, and relates to the technical field of mechanical traction equipment. The device comprises a supporting seat, two threading assemblies used for guiding a steel wire rope are arranged on the supporting base. An annular groove is formed in the supporting seat; the threading assembly is in sliding connection with the annular groove through a connecting piece. The two threading assemblies are rotationally symmetrical about the center of the annular groove; the threading assembly comprises threading pipes correspondingly arranged outside the annular groove in the radial direction. Pulley blocks are respectively arranged at two ends in the threading pipe; the pulley block comprises two guide pulleys which are vertically arranged at an interval; the guide pulley is rotationally connected in the threading pipe; the axial direction of the guide pulley is parallel to the tangential direction of the annular groove; the threading pipe is further provided with a positioning piece used for locking the threading pipe and the supporting base. The steel wire rope guiding device has the advantages that the guiding direction of the steel wire rope can be flexibly adjusted, and the friction weakening effect on the steel wire rope is better guaranteed.

A handheld tape applicator device (10) for tape-assisted wound closure for applying an adhesive tape (18) to the skin wherein a mechanical traction force is applied to the skin. The device (10) comprises: a housing (12); a reel (14) having a roll (16) of tape (18); and a tape cutting mechanism (20). A displaceable actuator (36) is pivotally mounted to the housing (12). The driven roller (28) frictionally engages the tape. The actuator includes a toothed pawl (46) that engages a toothed ratchet attached to a driven roller (28) to drive rotation of the roller and thereby dispense the tape. The application of the adhesive tape is initiated by discharging a length of adhesive tape from the device by means of rotation of the drive roller (28). The ratchet is positively engaged by a pawl (46) to provide resistance to tape feed, allowing tape tensioning. For greater traction, the device (10) comprises a brake pad (70) mounted to the actuator (36) for applying a braking force to the roller (28).

The invention discloses a method for hoisting and turning over a large-diameter special-shaped steel tower section, and belongs to the technical field of bridge construction. The method comprises the steps that a transport ship carrying segments is positioned and fixed; a tower crane lifting hook is connected with the lifting belt and the segment lifting lugs; the tower crane is started for lifting, the sections are made to rotate around the bottom turnover tool, in the process, the offset of the gravity centers of the sections and the plumb line of the lifting hook is dynamically tracked through a real-time monitoring system, and a transport ship is fed back and controlled to conduct transverse displacement compensation, so that the gravity center deviation is controlled within a preset threshold value; after the segments are turned over in place, the segments are horizontally rotated and finely adjusted to a preset hoisting angle through symmetrically arranged mechanical traction devices; and finally, the segments are lifted to the safe height and hoisted to the bridge site, and precise installation is completed. Through cooperative operation of the tower crane and the transport ship, active stability control over the turning process of the special-shaped steel tower section is achieved, the technical problems that in a traditional method, instability is prone to occurring, operation is complex, and precision is low are effectively solved, and the method has the advantages of being high in safety, easy and convenient to operate and accurate in positioning.

This invention relates to the technical field of medical devices and discloses a multifunctional sputum expectoration machine, including a body and a vest, and further including multiple flow-blocking components located inside the vest, two flexible frames fixedly connected inside the vest, and a diversion tube connected between the two flow-blocking components. Each flow-blocking component includes a frame shell fixedly connected to the flexible frame, and a force-bearing component including a set position and an initial position. When the force-bearing component moves from the initial position to the set position, it interconnects two adjacent independent spaces inside the frame shell, thereby generating a gradual, moving impact of airflow. By connecting the two flow-blocking components through a single flexible frame, and with the two flow-blocking components sharing a single diversion tube for air delivery, the two flow-blocking components can respectively correspond to different areas of the chest wall. This allows different chest wall areas to receive differentiated impacts according to the stage of sputum migration, forming a dynamic, following mechanical traction, preventing sputum from redepositing during migration, achieving a cyclical gradient impact, and avoiding continuous uniform pressure damage to cilia.

The invention relates to a cable reel loading and unloading device applied to the field of cable transportation. The cable reel loading and unloading device comprises a slope body, a butt joint platform fixed to the upper end of the slope body and a plurality of supports fixed to the slope body and the bottom of the butt joint platform through bolts. The support and the butt joint platform are jointly provided with a traction mechanism used for pulling the cable reel, the traction mechanism is of a labor-saving structure based on a pulley block, the mode of manually pushing the cable reel is changed into the mode of mechanical traction by arranging the traction mechanism, the traction mechanism is used for achieving the labor-saving effect, and the work load of workers is reduced; meanwhile, a damping and buffering effect is achieved through the multiple V-shaped damping supports, damping and buffering of the cable reel are achieved through the damping effect of the rotary dampers and the buffering effect of the V-shaped damping supports, and therefore the cable reel which rolls down is well protected, the probability that workers are injured due to the fact that the cable reel rolls too fast can be reduced, and the service life of the workers is prolonged. And the use safety of the cable reel loading and unloading device is improved.

This invention relates to a high-altitude precision alignment and installation device for prefabricated building components, comprising a support base plate, a hollow shell, a winding shaft, a traction rope, a traction plate, a lower angle iron, a guide brace, a fixed base, an adjusting positioning sleeve, and an adjusting screw. A traction power sleeve drives a reduction bevel gear set to move the winding shaft and release the traction rope, achieving horizontal traction of the component. A positioning power sleeve drives a flat-speed bevel gear set to rotate the adjusting screw, causing the adjusting positioning sleeve to slide along the support base plate. This, in conjunction with a telescopic sleeve and telescopic connecting rod, allows for vertical and attitude fine-tuning of the component. This invention achieves multi-dimensional precision alignment at the final stage of component installation, while replacing manual pushing and pulling with mechanical traction, reducing the number of repeated lifting and adjustment operations, improving construction efficiency and safety, and featuring a compact structure and strong adaptability.

The utility model relates to a maintenance auxiliary assembly of a ship shaft generating system, the maintenance auxiliary assembly comprises a guide rail tool piece and a mechanical traction device, the height of the guide rail tool piece is the same as the height of a shaft generating system base, the guide rail tool piece is arranged on one side of the shaft generating system base in the axial direction, and the mechanical traction device is arranged on the guide rail tool piece. The axial direction of the mechanical traction device is parallel to the axial direction of the shaft transmission shaft, one end of the mechanical traction device penetrates through the front side wall and the rear side wall of the shaft transmission shell and is detachably connected with the shaft transmission shell, and the mechanical traction device is used for pushing the shaft transmission shell to move towards the guide rail tool piece. The maintenance auxiliary assembly of the ship shaft emission system can effectively avoid the movement of the shaft emission shaft and the maintenance risk of the shaft emission shell out of a cabin, greatly improves the maintenance efficiency, and reduces the risk of positioning deviation caused by reinstallation after the shell and the shaft emission shaft are disassembled respectively.

The present application relates to the cable transport field is applied to cable reel loading and unloading device, including slope, fixed on the upper end of the butt joint platform, through bolt and slope and butt joint platform bottom fixed multiple support;Support and butt joint platform on the common installation is used for pulling cable reel pulling mechanism, pulling mechanism is based on the effort-saving structure of pulley block, through setting pulling mechanism will manual push cable reel is improved to the mode of mechanical traction, and utilize pulling mechanism to play the role of effort-saving, reduce the work load of staff;At the same time through multiple V-shaped damping support plays the damping buffer effect, utilize the damping effect of rotary damper and the buffering effect of V-shaped damping support itself realizes the damping buffer to cable reel, thereby to the cable reel that rolls down plays good protection function, also can reduce the probability that the cable reel rolls too fast causes harm to staff, improve the safety of the cable reel loading and unloading device when using.

The utility model relates to the technical field of drainage devices, in particular to the technical field of roadway progressive drainage devices, in particular to a self-moving type efficient drainage device which comprises a crawler, an operation platform, a lifting assembly and an electric pump, a bearing seat is arranged in the middle of the crawler, and the operation platform is installed on the top of the bearing seat. The lifting assembly is installed at the front end of the bearing base and used for bearing the electric pump. The lifting assembly is designed, the electric pump is installed on the crawler, an original electric pump moving mode is replaced by the crawler running device, the universality of the drainage device is improved, meanwhile, the electric pump is dragged through the air cylinder, electric pump loading and unloading are automatically completed through mechanical traction, original manual electric pump loading and unloading are replaced, the labor intensity of personnel is reduced, and the working efficiency is improved. The operation safety of personnel is ensured. Meanwhile, during drainage, the height of the electric pump is adjusted in real time, and the problem of pump burning caused by blockage of a drainage port of the electric pump or idling of the electric pump is solved.

This invention provides a device for external expansion of soft tissue on one side of the face, comprising pairs of spaced-apart fixators, with multiple supports connected between each pair of fixators, and at least one end of each support slidably connected to a fixator. Each support is equipped with at least one elastic traction device, which is equipped with a negative pressure suction cup. In this invention, by adjusting the positions of the supports and the elastic traction device, the negative pressure suction cup periodically applies mechanical traction before surgery, causing local tissue expansion and relaxation. This mechanically induces and stimulates cell regeneration, gently expanding the soft tissue volume and providing space for subsequent filling.

The invention relates to the related technical field of traction physiotherapy, in particular to a warm traction dynamic optimization method and system based on multi-sensor fusion, and the method comprises the steps: obtaining multi-modal physiological feature parameters, determining a first traction sensitive feature set and a second traction sensitive feature set, carrying out the correlation verification through combining historical treatment records with the subjective comfort score of a patient, and obtaining a first traction sensitive feature set and a second traction sensitive feature set; and correcting the deviation of the traction force regulation and control function to obtain an optimal traction force output parameter, and driving an execution mechanism to adjust the thermal therapy temperature and the mechanical traction force. The technical problem that most traction regulation and control functions are set in a fixed mode and cannot meet muscle group characteristics, tolerance thresholds and treatment process differences of different patients is solved, multi-modal parameters such as surface myoelectricity and infrared thermal imaging are fused, first and second traction sensitive characteristic sets under heat stress dominance and muscle fatigue dominance are constructed, and the traction sensitivity of the patient is improved. Heat stress and muscle fatigue are accurately recognized, the stability and reliability of traction force regulation and control are guaranteed, and the technical effects that the risk in the warm traction therapy process is effectively reduced are achieved.

The utility model discloses a kind of air compressor metal pipe bending device, it is related to metal pipe processing technical field, including operation platform, the upside of operation platform is rotatably connected with two groups of symmetric arrangement mounting seat, guiding mechanism is installed between mounting seat and operation platform, the upside of mounting seat is equipped with first installation groove, the upside of first installation groove is detachably connected with clamping plate by bolt, the side of first installation groove is equipped with second installation groove, heating mechanism is installed in the inside of second installation groove, the upside of operation platform is rotatably connected with rotating rod, the upside of rotating rod is installed with bending mechanism. The device uses local electric heating softening and mechanical traction bending synergistic effect, through electric heating stick accurate preheating metal pipe bending point reduces yield strength, cooperates with steel cable traction drive double mounting seat along T-shaped arc track synchronous rotation, realize hot state accurate bending, both eliminate cold bending wrinkle and dispense with subsequent polishing, significantly improve pipe roundness and production efficiency.

The invention provides a ship luggage transfer system comprising a luggage compartment, the luggage compartment comprises a transfer port, an aisle area and a storage area, the aisle area is connected with the transfer port, and the storage area is arranged around the aisle area; the winch is arranged at the top end of the luggage compartment, and the winch is located above the aisle area; and the luggage barrow is connected with the winch through a traction belt. By adjusting the layout of the storage areas and the aisle area, optimizing the space distribution in the cabin, shortening the transfer path of the luggage barrow from the transfer port to each storage area, avoiding cross-regional cross interference, replacing a manual carrying or transfer mode without special traction with the mechanical traction force of the winch, and meanwhile, through the position adaptation relation of the winch and the aisle area, the transfer path of the luggage barrow from the transfer port to each storage area is shortened. And the luggage transfer efficiency of the ship is improved.

The utility model relates to the technical field of water conservancy monitoring, in particular to a dynamic protection device for an inclinometry-settlement monitoring pipe of a concrete faced rockfill dam, which is used for protecting a pipe body of the inclinometry-settlement monitoring pipe arranged on a dam body and comprises a protection barrel arranged outside the pipe body, fine aggregate is arranged in the protection barrel, and the pipe body is arranged in the fine aggregate. The protection barrel and the high-strength lifting rope are arranged to be linked with the mechanical traction device, and real-time elevation synchronous adjustment of the protection barrel along with layered filling of the dam body is achieved. The protection barrel can ensure that the top end of the protection pipe is always higher than a filling operation face so as to play a warning role, avoid pipe body deformation caused by rolling impact of a heavy vibration roller, reduce construction interruption time and remarkably improve filling continuity.

The utility model relates to an ultra-large type air rib pipe penetrating tool, which is used for enabling an internal weaving pipe of an ultra-large type air rib to penetrate into an external wrapping pipe and comprises a traction machine, a carrier roller, a guide trolley and a supporting frame, the traction machine, the carrier roller and the supporting frame are all fixed on the ground, and the traction machine and the supporting frame are respectively arranged at two ends of the ultra-large type air rib pipe penetrating tool. The multiple carrier rollers are arranged between the traction machine and the supporting frame in parallel. The guide trolley can stretch across the carrier rollers and move above the carrier rollers. By means of the traction machine and the guide trolley, the wrapping pipe of the ultra-large air rib can be smoothly dragged and arranged outside the weaving pipe in a sleeving mode through mechanical traction, so that the pipe penetrating work of the ultra-large air rib is conveniently achieved, the automation degree of the whole process is high, and the pipe penetrating work of the ultra-large air rib can be simply and efficiently completed.

The utility model discloses an electric pushing jack, and belongs to the technical field of ammunition transfer equipment. The jack comprises a pushing assembly and a lifting assembly, wherein the pushing assembly comprises trundles; the two sides of the axle frame are connected with the trundles respectively; the bottom of the inner axle tube is connected with the axle frame; the outer axle tube is arranged on the axle frame, and the inner axle tube is located in the outer axle tube; the lifting assembly comprises a lifting device, and the bottom end of the lifting device is arranged on the outer shaft tube; one end of the upper supporting beam is hinged to the outer shaft tube; one end of the lower supporting beam is hinged to the lifting device; the two sides of the lifting beam frame are hinged to the other end of the upper supporting beam and the other end of the lower supporting beam respectively; the bearing shaft rods are arranged on the lifting beam frame at intervals; the lifting beam frame and the outer shaft pipe are arranged on the two sides of the lifting device respectively. The bearing shaft rod penetrates through a hole in the container cross arm beam, the lifting device is started to enable the lower supporting beam and the upper supporting beam to rotate upwards and lift the box type ammunition, transferring can be achieved on the trundles through external force (manual / mechanical traction), and operation is easy, fast and flexible.

The invention relates to a coupling arrangement for mechanically connecting and establishing a fluid connection between two rail vehicles, comprising a mechanical draw coupling and an air coupling. The mechanical draw coupling is preferably designed as a center buffer coupling, i.e., with integrated energy absorption, in particular a draw and buffer device. The invention further relates to a method for initiating an emergency brake application. The invention is characterized in that, in the event of a coupling failure, the cam is over-rotated by opening the valve arrangement, and a return movement is prevented by the mutually restrictive geometries of the valve body and cam.

The utility model discloses a kind of air floatation traction mechanisms of rapier loom, it is related to rapier loom air floatation traction field, including guide rail frame, the lower end of the guide rail frame is fixedly connected with mounting bracket, the inside of the mounting bracket is provided with traction wheel, the outer surface of the traction wheel is fixedly connected with flexible rapier, the upper end of the flexible rapier is fixedly connected with mounting seat.The utility model uses above-mentioned structure, traction wheel drives flexible rapier to move in guide rail frame, air film can reduce the direct friction of flexible rapier and guide rail frame, cooperate mounting seat, operation needle head complete weft insertion etc. Action, air floatation assembly reduces component wear by airflow buffering, prolongs equipment life, non-contact support makes flexible rapier run more smoothly, reduces the influence of vibration on weft insertion accuracy, simultaneously avoids the rapier jamming or fabric damage problem that can appear in traditional mechanical traction, improves weaving stability and fabric quality, especially suitable for high-speed weaving scene.

The application discloses an inflatable oral cavity detection device, and relates to the field of oral cavity medical appliances, which comprises a main body frame and a mechanical arm, is used for detecting the oral cavity of a patient, and further comprises a main body mechanism, a clamping mechanism and a traction mechanism, wherein the main body mechanism is used for assisting the mouth of the patient to open, the clamping mechanism is used for clamping oral cavity detection instruments, and the traction mechanism is used for clamping a fixed clamp. The device has the advantages that the inflation and expansion of the corrugated air bag can realize non-invasive and uniform opening of the oral cavity, avoid oral corner abrasion caused by traditional mechanical traction, provide sufficient visual field and operation channel for detection, and be beneficial to observation and sampling of deep parts such as the floor of the mouth and the root of the tongue. The design of the mechanical arm and the clamping mechanism makes the clamping of instruments stable and the control flexible, solves the problems of inconvenient operation and easy shaking of handheld instruments, and improves the safety and convenience of oral cavity detection.

The invention relates to the technical field of medical instruments, and discloses a multifunctional sputum excretion machine which comprises a machine body and a vest and further comprises a plurality of flow separation assemblies located in the vest, two soft frames fixedly connected to the interior of the machine body and a flow division pipe connected between the two flow separation assemblies. The flow isolation assembly comprises a frame shell fixedly connected with the flexible frame, the stress piece comprises a set position and an initial position, and when the stress piece moves to the set position from the initial position, two adjacent independent spaces in the frame shell are communicated to generate gradual moving type impact on airflow. The two flow separation assemblies are connected through the single soft frame, the two flow separation assemblies share one flow division pipe for air conveying, the two flow separation assemblies can correspond to different areas of the chest wall respectively, different areas of the chest wall can obtain differentiated impact according to the sputum migration stage, dynamic following type mechanical traction is formed, sputum is prevented from being deposited again in the migration process, and the sputum migration efficiency is improved. Circulating gradient impact is achieved, and cilia are prevented from being damaged by continuous and uniform pressure.