82results about How to "Strong traction" patented technology

The invention relates to a hydraulic peristaltic pipeline robot traction device, which can provide powerful traction force for robots in pipeline operation such as an oil-gas pipeline, a sewage pipeline and the like. The hydraulic peristaltic pipeline robot traction device mainly consists of an extension cabin, a propelling cabin and a propelling oil cylinder, wherein the extension cabin mainly consists of an extension cabin body, an extension cabin front cover, extension cabin supporting legs, extension cabin brackets, extension cabin supporting rods, an extension cabin supporting leg oil cylinder, a synchronous plate, a synchronous plate slide shaft and an extension cabin rear cover; the propelling cabin mainly consists of a propelling cabin body, a propelling cabin front cover, propelling cabin supporting legs, propelling cabin brackets, propelling cabin supporting rods, a propelling cabin supporting leg oil cylinder, a synchronous plate, a synchronous plate slide shaft and a propelling cabin rear cover. The hydraulic power is adopted as a power source, sufficient traction power can be provided for a pipeline operation robot, and the successful traveling of the pipeline robot in the pipeline can be guaranteed. The hydraulic peristaltic pipeline robot traction device has advantages of simplicity in structure, high carrying capacity, high reliability, high environmental adaptability and the like.

The invention provides a belt type carrier-based aircraft booster system and a decentralized energy storage and concentrated random boosting working method. The system comprises a boosting module assembly, a return module assembly, a runway module, a slide shuttle module and a controller module, wherein the boosting module assembly consists of more than one boosting module which is arranged below the runway module; the boosting module comprises a T-shaped box body, motors, a transmission shaft, a clutch, a brake and a pedestal; the bottom of the T-shaped box body is fixed to the middle part of the pedestal; the motors are fixedly arranged on the pedestal and are positioned on the two sides of the T-shaped box body; the transmission shaft penetrates through the middle part of the T-shaped box body through a bearing pedestal; the two ends of the transmission shaft are provided with the clutch and the brake respectively; a driven part of the clutch and the brake are fixed to the transmission shaft; a driving part of the clutch is connected with the belt pulley; the belt pulley is connected with the transmission shaft through a bearing; the outer circle of the belt pulley is connected with the belt pulley at the motor shaft end through the belt; and the two ends of the folded transmission belt are fixed on the transmission shaft in the middle of the T-shaped box body through belt pressing plates. The system has the characteristics of simple structure, easiness in machining, transportation, mounting, debugging and maintenance, high modularization and the like, and is a piece of optimal equipment for an aircraft carrier.

The invention discloses a droplet target control system guided by a laser beam. The droplet target control system comprises a droplet nozzle, a high-power pump laser, a third focusing lens and a time delay pulse generator, and further comprises a laser source, a first reflector, a half valve plate, a Brewster angle polarizing film, a quarter wave plate, a second reflector, a first focusing lens, a vacuum tube, a second focusing lens, an annular plane reflector and an annular focusing lens. A dropping track of metal droplets in 20 micron dimension can be precisely controlled by the droplet target control system, and the dropping speed of the droplets can be regulated. The system is capable of stably working for a long time, the time synchronization and the space coincidence of the droplets and the high-power pump laser are guaranteed.

The invention discloses a single-unit eight-axle electric transmission shunting diesel locomotive. The locomotive is divided into an upper part and a lower part; the upper part is a car body with a frame, two ends of the lower part are bogies which include two B0-B0 four-axle bogies, and each of the two B0-B0 four-axle bogies is formed by that two B0 two-axle bogies and a transition frame are connected by rubber pads, and the transition frame is arranged at the middle above the two B0 two-axle bogies; and the car body is connected with the B0 two-axle bogies through a transition device. The single-unit eight-axle electric transmission shunting diesel locomotive has the advantages that the transition capacity is high; parts have good generality, the maintenance is convenient, and the locomotive maintenance cost is reduced; the locomotive has good curve negotiating performance, and the wheel / rail abrasion value is greatly reduced; only one set of diesel, generator and cooling device are used, the reliability and the economy of the locomotive are improved, and the production and use cost is reduced; and the application economical efficiency is high, the single-unit eight-axle locomotive can replace two four-axle locomotives, the number of the locomotive crew is reduced, and the use is convenient.

The invention relates to new method and equipment for mining submarine cobalt crusts, wherein the method comprises the following steps of: (1) placing an acquisition platform to a seabed from a water-surface supporting ship; (2) starting the acquisition platform, extending out and leveling hydraulic supporting feet, and compacting the whole system by a lifting hydraulic cylinder so as to ensure the stability of the whole working; (3) extending out three folding type supporting arms, preliminarily determining the height of an acquisition mechanism, and fixing supporting legs; (4) starting an acquisition mechanism driving device installed on the acquisition platform, operating the acquisition mechanism to carry out crushing operation, collecting the crushed cobalt crusts through the acquisition mechanism and sending to a lifting ore bin; (5) after mining a corresponding fan-shaped area, carrying out angle adjustment on the three supporting arms through a rotary mechanism until finishingthe mining of a round ore region with the diameter of 100m; and (6) transporting the acquired cobalt crusts to the water-surface supporting ship through a lifting device. The invention also comprisesthe corresponding equipment. The invention has low mining cost, high efficiency, simple equipment and high reliability and is applicable to mining the submarine cobalt crusts on a large scale.

The invention belongs to the technical field of rubber tire manufacturing and particularly relates to a special patterned tire for a high-speed car. A tire ground connection surface comprises a central rib, two main drainage channels, two side drainage channels, connecting block type bionic pattern blocks and closed type outer tire shoulders. The design of the central rib guarantees the optimum longitudinal rigidity of the tire and enables control force of the tire to be directly transferred onto the road surface from the tire. 3D grooves in the positions of curve grooves break airflow, generating noise, in longitudinal grooves and reduce tire noise. Transverse grooves and single guide patterns keep the same direction, and thus the traction property and drainage property of the tire are improved. The fluency design of the patterns improves the contact between the patterns and the ground and greatly increases ground holding force. Due to the design of the connecting block type bionic pattern blocks, the strength and appearance individuality of the pattern blocks are improved. Due to the design of the closed type outer tire shoulders, abrasion and noise of the tire are reduced, and meanwhile high traction force, a shorter braking distance and accurate turning performance of the tire are guaranteed.

The invention provides an anal fistula patch or plug, as well as a preparation method and application thereof. The anal fistula patch or the anal fistula plug is prepared from an acellular dermal matrix. The acellular dermal matrix is obtained by performing protein enzyme solution digestive treatment, surfactant-containing hypertonic saline acellular treatment, crosslinking treatment, DNA degradation treatment and amino acid nutritional treatment on allogenic skin. The invention further provides application of the anal fistula patch or the anal fistula plug to preparation of a biological material for treating anal fistula. The acellular dermal matrix derives from human skin tissue, special physicochemical and biochemical treatment is conducted, all the components which may cause immunologic rejection are removed, the fiber three-dimensional stent structure of the original tissue is retained integrally, new vessels and fibroblasts grow quickly after implanting, and a good clinical effect is achieved.

The invention is a perception bionical mechanical hand and relates to a wounded finger rehabilitation device. It consists of either third knuckle module 1, framework 11 and first bionical muscle module 2 or second finger knuckle module 3, framework 11 and second bionical muscle module 4 or first finger knuckle module 5, framework 11, third bioncal muscle module 6 and fourth bionical muscle module 7 or bionical finger module 8 and bionical muscle module 9. The third knuckle module 1 links with the second knuckle module 3 which links with first knuckle module 5 in the bionical finger module 8 and third knuckle module 1 links with first bionical muscle module 2 while second knuckle module 3 links with second bionical muscle 4. First knuckle module 1 links with third bionical muscle module 6 and fourth bionical muscle module 7. The invention is of simple structure and fine safety and is able to cast rehabilitation treatment on single or multiple knuckles of the finger.

The invention relates to a retractable type downhole tractor, and belongs to the technical field of oil and natural gas downhole tractor tools. The retractable type downhole tractor is composed of anupper joint, a shell, a turbine shaft, a swash plate hydraulic pump, a flow distributing device, a telescopic oil cylinder and a telescopic head. The turbine shaft is installed in the shell through symmetrically arranged turbine bearings, the swash plate hydraulic pump is installed in the position, below the turbine shaft, of the shell through a hydraulic pump bearing, the flow distributing deviceis installed in the position, below the swash plate hydraulic pump, of the shell, and the flow distributing device communicates with the swash plate hydraulic pump; and a rear clamping jaw oil cylinder and the telescopic oil cylinder are sequentially installed in the positions, below the flow distributing device, of the shell, and the rear clamping jaw oil cylinder and the telescopic oil cylindercommunicate with the flow distributing device. According to the retractable type downhole tractor, telescopic movement of a front clamping jaw oil cylinder, the rear clamping jaw oil cylinder and thetelescopic oil cylinder are controlled through the flow distributing device, so that forward movement of the tractor is achieved, the problems that downhole friction resistance of an existing tractoris large, tripping-in and taking-out are difficult, and bit pressure is difficult to apply are effectively solved, and the retractable type downhole tractor is particularly suitable for being used for coiled tubing traction in operation of well workover, well completion and the like.

A power train for construction machinery, preferably a wheel loader, has an internal combustion engine (1) which, via a primary clutch (2), drives a hydrodynamic torque converter (3) the output of which drives a reduction gear (4). The prime mover (1) communicates with a power take off (6) and drives a consumer (7). The prime mover (1) and the hydrodynamic torque converter are designed so that at the stall point and when the consumer (7) is not activated, the prime mover is operated close to its maximum torque. If the consumer (7) is additionally activated, the primary clutch (2) is actuated in opening direction until a defined rotational speed of the prime mover is retained.

The purpose of the present invention is to provide an endoscope that efficiently and reliably achieves a stronger pulling force. The endoscope is thus provided with: a drive part (12) that generates a drive force that bends a bending section (2b); a C-ring-shaped member (9) that is capable of frictionally engaging with a pulley (11), and has a notched section (9c) in part of the ring-shaped member; an operation input member (5) that performs a bending operation on the bending section (2b); an operation input-side pulling member (8a) that serves as a first pulling member that winds around the C-ring-shaped member and extends from the C-ring-shaped member toward the operation input member, and is connected to the operation input member in such a manner as to straddle the notched section from a position extending toward the operation input member of the C-ring-shaped member and coil around the C-ring-shaped member such that the coiling around distance decreases with an increase in the operation amount of the operation input member; and a bending section-side pulling member (8b) that serves as a second pulling member that winds around the C-ring-shaped member and extends from the C-ring-shaped member toward the bending section, and is connected to the bending section in such a manner as to straddle the notched section from a position that extends toward the bending section on the C-ring-shaped member without coiling around the C-ring-shaped member.

The invention discloses a mountain crawler tractor which comprises a walking device, a base and a platform. A cab, a traction winding device and a control system are arranged on the platform, a traction saddle is arranged on the base, and a trailer coupler is arranged at the rear end of the base. The walking device is a crawler walking device. Compared with the prior art, the mountain crawler tractor has the advantages of having various use functions, being convenient to disassemble, maintain and transport, low in investment cost, small in size, large in attaching force and traction force, good in maneuvering performance, comfortable, simple and safe to operate, capable of walking on mountainous roads, having various traction combination modes and the like. The mountain crawler tractor is mainly used for solving the problem that a wheel type road transportation tractor cannot transport oversized overweight devices under special severe environment or on mountainous roads with large slope, provides a new resolution scheme for mountain transportation of the oversized overweight devices and meets the requirement for transportation of the oversized overweight devices on the mountainous roads.

A micro double-crawler walking device comprises a frame, crawler tensioning mechanisms, a gearbox, a left steering clutch, a right steering clutch and a pair of composite crawlers, wherein the composite crawlers are symmetrically arranged on the frame; the two crawler tensioning mechanisms are symmetrically mounted on the frame to adjust the composite crawlers; the left steering clutch and the right steering clutch are symmetrically mounted on the two sides of the gearbox to drive the composite crawlers; and the gearbox is fixed on the frame. The micro double-crawler walking device provided by the invention is advantaged in that the flexibility in steering is improved and the straight running performance of the mechanism is enhanced because wheel axles of a driving wheel and a guide wheel use half axles. The micro double-crawler walking device provided by the invention has the advantages of small volume, light weight, compact structure, excellent adhesion performance, flexibility in steering, strong towing capacity, strong trafficability on soft ground and small compaction effect on soil. The micro double-crawler walking device provided by the invention has the structure and advantages of the general large-sized crawler walking device. However, as the device has the characteristics of small volume and light weight, the micro double-crawler walking device provided by the invention can be widely applied to small terrain blocks, vegetable greenhouses as well as hilly and mountainous areas.

The invention provides a wind power tower tube and belongs to the technical field of wind power equipment. The wind power tower tube comprises a tubular tower tube shell and a plurality of sets of supporting units. The supporting units are distributed inside the tower tube shell in the axial direction of the tower tube shell and connected with the inner wall of the tower tube shell. Each supporting unit comprises a plurality of supporting members, and the supporting members are connected to the inner walls of the two opposite sides in the tower tube shell in a mode of passing through the axisof the tower tube shell. The stability and anti-vibration capability of the tower tube are improved effectively.

The invention relates to an energy-saving robot hydraulic movable platform. The energy-saving robot hydraulic moving platform mainly comprises wheels, a platform body, an electromagnetic brake, a steering mechanism, a secondary adjusting hydraulic driving device and the like, wherein the steering mechanism is a parallel four-bar steering mechanism, and the telescopic length of a piston rod of a steering oil cylinder is controlled by adjusting the input current of a proportional reversing valve to realize platform steering; the secondary element is connected with the rear drive axle, the platform is driven to move or recovers braking kinetic energy and slope gravity energy of the platform by adjusting the secondary element to be in the working condition of the hydraulic motor or the hydraulic pump respectively, and the braking kinetic energy and the slope gravity energy are converted into hydraulic energy to be stored in the energy accumulator and are used for starting, accelerating andclimbing movement of the movable platform. The energy-saving robot hydraulic movable platform is suitable for working under the working conditions of field, high speed and large load, and the movableplatform is large in bearing capacity and strong in traction capacity; and energy recovery and reutilization can be realized, and the installed power of the movable platform is greatly reduced.

The invention discloses a wheel suitable for the terrain environment of the Mars. The wheel comprises a wheel body, a wheel driving joint, spokes, a driving mechanism, a hub, and pawls, wherein the wheel driving joint enables the wheel body and the driving mechanism to be connected, and connection joints connecting the spokes and connecting the driving mechanism are respectively designed; the wheel driving joint is connected with the spokes through screws and nuts; the spokes are rigid spokes and are mounted on one side of the wheel; the driving mechanism is arranged at the inner part of the hub; the spokes are connected with the hub through screws and nuts; the pawls are connected with the hub through screws and nuts. The wheel is beautiful in structural appearance, easy in machining, compact in structure, high in passability on the surface of the Mars and high in strength, can bear the weight of a Mars patrolling device, and can bear certain torque.

The invention relates to a special semi-steel radial tire for a snow field and a preparation method thereof. The special semi-steel radial tire comprises, in parts by weight, 30 to 43 parts of natural rubber, 17 to 23 parts of butadiene rubber, 5 to 9 parts of styrene-butadiene rubber, 11 to 20 parts of white carbon black, 3 to 5 parts of a silane coupling agent, 12 to 20 parts of aromatic oil, 1.2 to 1.8 parts of an anti-aging agent, 1 to 1.6 parts of microcrystalline wax, 8 to 14 parts of functional resin, 2 to 3.6 parts of a white carbon black dispersant, 1 to 1.4 parts of an accelerator, 2 to 2.6 parts of Tall oil, 1.3 to 3.3 parts of cut 4 distillate oil, 1.5 to 2.5 parts of spindle oil, 0.8 to 1.2 parts of cut 3 distillate oil and 0.1 to 0.13 part of paraffin oil. The special semi-steel radial tire for the snow field provided by the invention is still extremely soft under the condition that the temperature is lower than 10 DEG C, and has large tire friction force and good road holding performance, so controllability and safety on smooth ice surface are greatly improved; meanwhile, the braking performance in the snow field and on the ice surface is improved; the braking distance is shortened; and an ideal traction force is brought.

The invention provides a comprehensive hydraulic power generation system. A water channel is composed of a water channel inlet section, a water channel middle section and a water channel drainage section which are sequentially connected and incline downwards. The inclination of the water channel middle section is smallest, a power generator set B is arranged in the water channel middle section, and a power generator set A is arranged on the upstream part of the power generator set B. A power generator set C is arranged in the water channel drainage section. The power generator set A, the power generator set B and the power generator set C share the same water channel. The power generator set A can be located either outside a hydropower station dam body or inside the dam body. Resources are integrated through a scientific layout, the three power generator sets with different power generation modes can all meet the requirements for flow and pressure, and powerful hydraulic potential is converted into electricity to the maximum extent highly efficiently. The comprehensive hydraulic power generation system is simple in structure, reliable in performance, high in work efficiency and high in power generation efficiency, the installed capacity and the hydroenergy utilization rate are maximized, and the comprehensive hydraulic power generation system is particularly suitable for an ultra-high dam and large-flow hydropower station with the water elevation more than 270 m.

The invention relates to a self-balancing tractor belonging to the agricultural machinery field, which is characterized in that the internal half-shaft tubes of the left and right two ends of a main reducer shell of a balance drive axle are respectively connected in sequence with a spherical bearing, a knuckle shell, a brake disc, a neck journal link of knuckle, a neck journal of knuckle and a drive wheel link. The rear end of the central transmission shaft tube on a gearbox is nested with the main reducer shell. The angular wheel on the counter shaft of the gearbox of a transmission mechanism is meshed with an angular wheel of the central transmission shaft. The other end of the central transmission shaft is connected to the main reducer. The gearbox is provided with a high-low difference balance mechanism, a regulating switch and a lead weight link. The motor is respectively meshed with a transmission gear, a worm, a worm gear, the 60 degree gear ring arranged on the joint of a small gear, the gearbox and the main reducer shell. With the invention, the vehicle body can maintain the state of balance and the phenomenon of tilting and overturning are not easy to occur. Thus the driver can be in safe operation. The operation is simple with reliable performance, low costs, large carrying capacity, strong traction and a wide range of use.

A pendular joint decompression device including a table configured to support a person lying on his or her back, and a traction system including cabling, a leg-receiving unit secured to the cabling and configured to link this cabling to the person's legs, a traction unit configured to act on the cabling, an oscillator configured to act on the cabling, and a control unit capable of controlling the traction unit and the oscillator in order to combine lateral oscillation movements and traction movements on the person's raised legs, characterized by the fact that the leg-receiving unit is configured to apply, for each of the person's legs, a force on the rear of the calf and a force on the front of the ankle, simultaneously, when the traction unit acts on the cabling.

The invention belongs to the technical field of design and manufacturing of traction equipment for coal mines and particularly relates to a traction rubber wheel type car of a four-wheeled steering rail tramcar. The traction rubber wheel type car of the four-wheeled steering rail tramcar is characterized by comprising a car body, a cab, a crane, a transmission system, an anti-explosion engine system, a hydraulic system, a traction device and an electric system, wherein the cab, the transmission system, the anti-explosion engine system, the hydraulic system and the electric system are integrated on the car body; and the crane and the traction device are arranged at the rear end of the car body. The traction rubber wheel type car has the functions of swinging compensation, bidirectional driving, four-wheeled steering, steering correction and hoisting. The large-gradient traction of the rail tramcar is realized, the traction efficiency is improved and the labor intensity of workers is alleviated.

The invention discloses a building construction safety protection device, and relates to the technical field of building construction. The building construction safety protection device comprises a bottom plate, wherein screw rods are horizontally arranged at the left end and the right end in the bottom plate; a main motor is connected to the middle between the two screw rods through a driven gearand a main gear; support plates are arranged at the left end and the right end of the upper surface of the bottom plate; a movable table is connected between the support plates; a guide rail is arranged under the movable table; a protective fence is arranged in the middle of the movable table; a lifting cylinder is arranged between the movable table and the bottom plate; draw bars are hinged to the left end and the right end of the lifting cylinder; the two draw bars are connected with the guide rail through sliding blocks; fixed rods are arranged at the left end and the right end above the movable table; a top plate is arranged on the two fixed rods; a protection plate is arranged above the top plate; and elastic buffer plates are horizontally and uniformly distributed on the protectionplate. The building construction safety protection device provided by the invention has high safety and stability and a high buffer performance.

A handling system (1″) is for drilling equipment (200) of the ground, in which the drilling equipment (200) slides along a support tower (101, 501) fixed or movable with respect to the ground. The handling system (1″) includes at least one linear actuator (3, 3a, 3b) for handling the digging equipment. The linear actuator (3, 3a, 3b) being temporarily movable and releasable with respect to the tower (101, 501).

The invention discloses a hydrostatic bulldozer applying a high-drive structure, relates to the technical field of bulldozers, and aims to solve the problems that an existing bulldozer is heavy in operation, poor in flexibility, extremely hard for operators to work, low in engineering machinery energy utilization rate and not energy-saving and environment-friendly. A cab is arranged at the upper end of a high-drive bulldozer body, an advancing crawler belt is arranged at the lower end of the cab, an engine compartment is arranged at one side of the cab, a lifting oil cylinder is arranged at one side of the engine compartment, a bulldozing hopper is arranged at the lower end of the lifting oil cylinder, and an inclined oil cylinder is arranged on one side of the bulldozing hopper; and a grounding supporting plate is arranged at the lower end of the bulldozing hopper, an auxiliary grounding roller is arranged in the grounding supporting plate, and a scarifier is installed at the tail ofthe high-drive bulldozer body.

The invention provides an interline stubble breaking machine for interplanted corns. A handle, a gearbox and a diesel engine are connected with a machine frame; a transmission belt of the gearbox is connected with a gearbox pulley and a diesel engine pulley; travelling wheel carriers are connected with the machine frame through travelling wheel carrier shafts, and a counterweight block is mounted at the front end of the machine frame; two leaf separating plates are mounted at the front end of the machine frame at a certain angle; rotary tilling rake teeth are connected with a rotary tilling rake shaft, the rotary tilling rake shaft is connected with a rotary tilling frame, and a rotary tilling transmission belt is connected with a driving rotary tilling pulley and a driven rotary tilling pulley; a caterpillar band driving wheel is mounted on a caterpillar band shaft, a guide wheel is connected with a guide wheel shaft, the caterpillar band shaft is connected with the machine frame, and a caterpillar band transmission belt is connected with a gearbox belt and a caterpillar pulley; and a caterpillar band is meshed with a driving wheel, and is arranged to interact with the ground through the guide of the guide wheel to produce a traction force under the drive of the driving wheel. Therefore, the interline stubble breaking machine for the interplanted corns disclosed by the invention has higher operation efficiency and operation quality, and can better meet the requirements in practical production.

The invention relates to the technical field of pipeline robots, and particularly relates to a flexibly-driven active steering type pipeline robot. The flexibly-driven active steering type pipeline robot comprises at least one flexible telescopic module and two flexible supporting modules arranged at the two ends of the flexible telescopic module in the length direction. Each flexible telescopic module comprises three flexible telescopic bodies and three reset springs, different bending states of the flexible telescopic modules are achieved through different contraction and extension states of the three flexible telescopic bodies and the three reset springs, and therefore different steering effects of the pipeline robot are achieved. By combining regular expansion and contraction of the flexible supporting modules at the two ends, autonomous steering movement of the pipeline robot is finally achieved. The flexibly-driven active steering type pipeline robot can autonomously steer and move in small and medium pipelines with irregular inner walls and variable inner diameters, and has good traction capacity, pipeline adaptability and elbow passing capacity.