81results about How to "Strong traction" patented technology

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 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.

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 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 belongs to the technical field of the design and manufacturing of traction equipment for a coal mine; in order to solve a problem of swing compensation appearing when a rubber-tired vehicle hauls a track mine car, the invention provides a rubber-tired track mine car traction device with an offset compensation function. The rubber-tired track mine car traction device comprises a slide track and a track trolley, wherein the track trolley comprises a guide wheelset, a wheel carrier, a rotation frame and a traction element; the guide wheelset is connected with the wheel carrier and is arranged in a track groove of the slide track; the wheel carrier is connected with the rotation frame via a horizontally arranged pin shaft; the rotation frame is connected with the traction element to form a rotation pair. The rubber-tired track mine car traction device can rapidly realize the connection and traction functions of the rubber-tired vehicle and the track mine car, can also effectively compensate angle differences between the track mine car and the rubber-tired vehicle when the rubber-tired vehicle swings transversely and goes uphill and downhill and a torsion deviation of the rubber-tired vehicle, not only effectively utilizes the characteristics of great adhesion force, strong traction capability, strong climbing capability and the like, but also effectively ensures the smooth operation of the mine car in a track.

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).