5897 results about "Brake" patented technology

The invention discloses a radial forging machine chuck rotation oscillation braking electro-hydraulic control system and method, and the control system comprises a position detection encoder installed on a hammer head of a forging main machine, a hydraulic servo motion controller, a high-frequency servo valve, an oscillation braking oil cylinder with the same area as an A cavity and a B cavity, and an oscillation braking device with a worm gear and a worm. The pressure sensor and the displacement sensor are integrated on the oil cylinder to form a closed-loop control loop; the control method comprises the following steps: activating an oscillation braking function and collecting hammer phase, oil cylinder pressure and displacement signals in real time; a sine control signal synchronous with the forging frequency is generated based on the brake phase of 270-360 degrees; a brake oil cylinder is driven to push the worm to axially move, and the rotating speed of the chuck is modulated through the helix angle characteristic; and the amplitude is dynamically adjusted through a displacement-pressure feedback signal, and 25MPa overrun protection is executed. The purposes of reducing the brake response delay rate, the forge piece distortion rate and the equipment impact load are achieved, and 90-620 times / min wide-frequency-domain forging is supported.

The invention discloses a self-adaptive adjustment method and system for twisting tension of a copper stranded wire. According to a state analysis result, a dynamic coupling adjustment mechanism is started, rapid response adjustment of tension is achieved by adjusting the matching relation between the rotating speed of a stranding cage and the linear speed of a traction wheel and linkage with the exciting current of a magnetic powder brake, tension data are rapidly collected through a sensor, and after filtering and abnormal value processing, the tension is obtained. The fluctuation frequency and amplitude are analyzed immediately, and adjustment is started once the fluctuation frequency and amplitude exceed a set range. During adjustment, the ratio of the rotating speed of the stranding cage to the speed of the traction wheel is adjusted, the current of the magnetic powder brake is linked, mechanical adjustment and electromagnetic braking are matched, and the response speed is much faster than that of traditional single-parameter adjustment. Therefore, the stress of the copper stranded wire in the stranding process is uniform, the wire diameter is not thinned or burrs are not formed on the surface due to sudden change of tension, the stranded wire pitch is uniform, the process requirement is met, and the influence on the stranded wire quality due to sudden change of the tension is avoided as much as possible.

The invention discloses a motor coil winding device and method, and belongs to the technical field of motor manufacturing, the motor coil winding device comprises a winding machine body, the upper surface of the winding machine body is fixedly connected with a pair of supporting plates, and the outer surfaces of the supporting plates are provided with self-adaptive floating wire protection assemblies; a wire dynamic regulation and control assembly is installed on the upper surface of the winding machine body, a fixing piece is installed on the upper surface of the winding machine body, and a winding displacement quality sensing assembly is installed on the portion, close to the fixing piece, of the upper surface of the winding machine body. The magnetorheological fluid in the magnetorheological fluid damper rapidly changes the rheological property under the action of a real-time control magnetic field, vibration transmission is effectively restrained, the phenomenon that a wire is broken due to too large tension is avoided, when it is monitored that the tension is too small, the magnetic powder brake increases the resisting moment and slows down the rotating speed of the pay-off reel to improve the tension, and if the tension is too large, the magnetic powder brake stops working. The magnetic powder brake reduces the resistance moment and accelerates the pay-off, and ensures that the wire is always at the optimal traction angle.

The invention discloses a full-appearance detection method and system for welding flux of an internal wire of an automobile brake hose joint. The method comprises a multi-angle collaborative imaging step, a geometric defect detection step, a texture defect detection step, a dynamic fusion decision-making step and a fault-tolerant adjustment step. Images are collected through the cameras which are asymmetrically arranged in a surrounding mode and synthesized into a panoramic image, and detection blind areas are eliminated. The welding flux area can be fully covered, the defect detection precision and efficiency are improved, the adaptability to supplied material deviation is enhanced, and the method is suitable for full-appearance quality detection of the automobile brake hose connector internal wire welding flux.

The invention belongs to the technical field of brake discs, and relates to a cast iron brake disc ceramic reinforced iron-based wear-resistant coating and a preparation method thereof.The cast iron brake disc ceramic reinforced iron-based wear-resistant coating comprises a brake disc base body, an iron-based transition coating and a composite wear-resistant coating, the composite wear-resistant coating is formed by mixing iron-based alloy powder, B4C ceramic particles and CeO2 rare earth powder; the preparation method comprises the following steps: 1, carrying out laser cladding on iron-based alloy powder on a brake disc substrate to prepare an iron-based transition coating; 2, carrying out ball milling and mixing according to a weight ratio to prepare composite wear-resistant mixed powder; 3, performing laser cladding on the iron-based transition coating with composite wear-resistant mixed powder; the B4C + CeO2 ceramic particles are mixed into the iron-based alloy powder, so that microcracks of the brake disc coating are reduced, the wear resistance and hardness are improved, dust pollution is reduced, the service life is prolonged, and the friction performance better meets the brake disc strengthening requirement.

The automatic punching device for automobile brake disc machining comprises a workbench, a feeding mechanism used for automatic feeding is arranged at the top of the left side of the workbench, an annular sliding rail is fixedly installed in the center of the top of the workbench, and a plurality of first limiting sliding blocks are slidably connected to the annular sliding rail; according to the automobile brake disc punching device, symmetrical punching is carried out on an automobile brake disc through two cutting punching machines on the symmetrical drilling mechanism, the punching efficiency is high, during punching, an inserting rod is inserted into a limiting sleeve, the cutting punching machines are limited and fixed through the limiting sleeve and the inserting rod, and the punching efficiency is high; the cutting perforating machine has the advantages that the problem that the cutting perforating machine deflects during perforating is avoided, perforating quality is improved, an inserting rod can press a bottom plate downwards every time the inserting rod is pressed downwards, air in an air bag is blown out from an air blowing pipe when the inserting rod ascends, the top of the automobile brake disc is blown to remove chippings while pressing downwards, and manual cleaning with an air gun is not needed.

The invention relates to the technical field of automobile part manufacturing, discloses an adjustable multi-angle trimming and deburring device for automobile part machining, and provides a scheme that a trimming machine tool is matched with a multi-angle trimming mechanism to solve the problems that in the prior art, the clearing efficiency of flashes and burrs at a center hole and a heat dissipation groove of a brake disc is low, and positioning is not accurate. According to the device, a four-jaw chuck is driven by a driving motor to rotate a brake disc, a ball screw, a movable block, a connecting rod and other assemblies are utilized, four sets of trimming cutters synchronously trim a center hole, the inner side, the outer side and the bottom face corners of a heat dissipation groove correspondingly, a buffering inserting rod and a spring are combined to absorb impact, and precise operation of the cutters is guaranteed through the design of a deflection rotating shaft, a magnet and the like. According to the scheme, burrs at multiple positions are cleaned at a time, clamping errors are eliminated, energy consumption and cutter abrasion are reduced, the structure is compact, the device is suitable for automatic trimming of brake discs of different sizes, and the machining efficiency and precision are remarkably improved.

The invention relates to the technical field of flame cutting machine tools, in particular to an anti-splashing automatic flame cutting device which comprises a cutting table, and a pipe conveying assembly and a pipe output assembly are symmetrically installed at the top end of the cutting table. According to the anti-splashing automatic flame cutting device, a band-type brake stepping motor drives a rotating shaft to rotate, so that a plurality of auxiliary rollers and driving rollers which are arranged in a cavity ring in a surrounding mode at equal angles synchronously rotate, a polishing abrasive belt is driven to synchronously rotate, and therefore the to-be-cut face of a pipe fitting can be comprehensively wrapped and effectively and automatically polished and derusted; the whole cutting quality is guaranteed, subsequent machining and using are prevented from being affected, meanwhile, a limiting gear ring can drive a plurality of abutting blocks on the side edge to rotate synchronously when rotating, and therefore the roller rods are abutted against and make reciprocating motion, and the cutting efficiency is improved. And meanwhile, when the roller rod reciprocates, a certain amount of rust remover in the liquid storage tank can be intermittently sprayed out of the spray head to be sprayed on the surface of the running polishing abrasive belt, the polishing and rust removing effect is improved, and efficiency is improved.

The utility model discloses a self-adaptive track sanding device for a complex curved surface. The device comprises a flange seat, a universal cross arranged at the front end of the flange seat, a motor body arranged in the universal cross, a brake ring and a polishing disc, wherein the brake ring and the polishing disc are arranged at the output end of the motor body; the universal cross is of a circular ring structure and is rotationally connected with the front end of the flange base through a first pin shaft, the upper portion of the motor body penetrates through the universal cross, and the motor body and the universal cross are rotationally connected through a second pin shaft. Connecting lines respectively formed by the first pin shaft and the second pin shaft are crossed, and the motor body realizes two-degree-of-freedom rotation through the first pin shaft and the second pin shaft. The motor body rotates through the universal cross to adjust the binding face between the grinding disc and the to-be-ground curved surface to achieve self-adaption to the to-be-ground curved surface, it can be guaranteed that the normal of the grinding disc coincides with the normal of the curved surface without precisely adjusting the posture and the positioning precision of a robot, and therefore the good grinding effect is obtained.

The invention relates to a method for monitoring jamming or synchronism of a main engine brake of a vertical elevator, and aims to monitor and diagnose the jamming or synchronism state of the elevator brake in real time through the combination of an acceleration sensor and an electromagnetic signal. The method comprises the steps that acceleration sensors are installed on the two brake component sides of the elevator brake, vibration acceleration signals of the two brake components are collected, or the response time difference between the action vibration acceleration signals and voltage signals of the brakes on the two sides is calculated through time sequence analysis through a vibration switch with an adjustable threshold value and by means of the single-chip microcomputer technology; and the action response time difference of different brake components is determined. If the time difference exceeds the preset threshold value, it is judged that the brake is jammed or has an asynchronous fault. And finally, according to a conjoint analysis result of the vibration acceleration signal and the voltage signal, accurate diagnosis and real-time early warning of brake jamming or synchronization faults are provided. According to the method, the detection precision and response speed of elevator brake jamming or asynchronous faults can be improved, and reliable guarantee is provided for safe operation of an elevator.

This brake dust collection system (10) is provided with: a cover body (11) for covering a brake device (9) provided at an end of an axle (7) of a vehicle (S); a suction device (12) that sucks brake dust generated inside the cover body (11) through a suction path (14) from an opening (110) provided in the cover body (11); a control device (17) that operates the suction device (12) in a state in which the brake device (9) brakes a wheel (8) attached to an end of the axle (7) while the vehicle (S) is traveling; and a collection device (15) that is provided between the opening (110) and the suction device (12) in the suction path (14) and collects the brake dust sucked by the suction device (12).

According to the brake disc ring surface accurate grinding equipment, by arranging the pressing and swinging mechanism, an assembly can be pressed and swing in a reciprocating mode between the first base table and the second base table, and the stability and the positioning precision in the grinding process are guaranteed; by arranging the detection mechanism with the lower surface of the joint as the unified reference, detection of the grinding amount is achieved, meanwhile, closed-loop feedback can be provided for the ring surface grinding mechanism, and the thickness consistency and the surface flatness of two ring surfaces are guaranteed; the first grinding device and the second grinding device which can ascend and descend are arranged, the grinding feeding amount is dynamically adjusted according to the detection result, and self-adaptive accurate grinding of the assembly swinging in a reciprocating mode is achieved. Meanwhile, through organic combination of a detection mechanism, a pressing mechanism and a grinding mechanism, multiple times of clamping and manual transferring are reduced, and the production takt time and the automation level are improved. The equipment can effectively guarantee the precision and repeatability of accurate grinding of the brake disc assembly, improve the parallelism and surface smoothness of the ring surface, improve the brake performance and meet the industrial continuous machining requirement.

An electromechanical actuator comprises a casing, an electric motor, a gearbox, a spring-applied brake (25), and a centring shaft (71). The brake (25) comprises a coil spring (48), a drum (49), an input member (50) and an output member (51). The output member (51) comprises a first bore (73). The shaft (71) is mounted inside the first bore (73) of the output member (51) and a bore of a sun gear (40) of a reduction stage (38) of the gearbox. The drum (49) comprises a shoulder (90). Furthermore, a planet carrier (66) of the reduction stage (38) is configured to bear against the shoulder (90) of the drum (49).

The utility model discloses an electronic brake gear adjusting device for a water dripping wheel, which relates to the technical field of fishing gears and comprises a line cup component, a line wheel seat, a magnetic brake component, a cover plate and an adjusting operation unit. The adjusting operation unit comprises a gear adjusting rotating ring, an operation rod and a shifting piece. The gear adjusting rotating ring is rotationally installed on the inner side of the cover plate, and the operating rod penetrates through an arc groove in the cover plate to stretch out. The shifting piece is fixed to the bottom end of the gear adjusting rotating ring and sequentially triggers a plurality of toggle switches on the electric control board along with rotation of the rotating ring. According to the utility model, a discrete triggering mode that the mechanical swivel is combined with the toggle switch is adopted, traditional potentiometer adjustment is replaced, the problem of reliability caused by potentiometer abrasion is solved, meanwhile, clear gear feedback and operation hand feeling are provided for a user, and the device has the advantages of being simple in structure, long in service life and visual in operation.

The invention relates to the technical field of petroleum well logging, and discloses a fusing type releasing device and method for a well logging headstall, a split brake block is arranged in a second cavity of a lower connector and an outer shell, a heating rod is arranged on the split brake block in a surrounding mode, and the surface of the split brake block is wrapped with a fusing protection layer; the heating rod is attached to the fusing protection layer, the driving end of the high-voltage connector is connected with the power supply end of the heating rod through the lower connector, the heating rod is driven to heat and fuse the fusing protection layer, and after the fusing protection layer is fused, the split braking blocks are separated. The elastic ejector rod assembly abutting against the split brake block integrally moves towards the side of the split brake block, the brake hook is separated from the outer shell, headstall release is achieved, the whole operation can be completed only by opening the high-voltage connector, the operation process is simple, and unified treatment can be conducted on different cables and well depths.

The invention relates to the technical field of conveying equipment, in particular to a suspension conveying system. The structure layout is simpler and more reasonable, parking is achieved, meanwhile, the driver is effectively protected, and safety and reliability are higher; comprising an I-shaped hanger rail and a plurality of conveying trolley sets installed on the I-shaped hanger rail in a sliding mode, each conveying trolley set comprises a hanger beam frame, a traction trolley, a driven trolley and a parking mechanism, the traction trolley is installed on the front portion, in the advancing direction of the I-shaped hanger rail, of the hanger beam frame, and the driven trolley is installed on the tail portion, in the advancing direction, of the hanger beam frame; wherein the traction trolley provides power for advancing of the conveying trolley set, and the parking mechanism comprises an inclined slope frame installed at the tail end of the hanging beam frame, an elastic supporting piece installed on the hanging beam frame and a brake assembly installed on the front portion of the hanging beam frame. The brake assembly comprises a rotating shaft rotationally installed on the hanging beam frame, two L-shaped corner brackets and first brake plates installed on the L-shaped corner brackets, and the two L-shaped corner brackets are symmetrically arranged on the two sides of the rotating shaft and fixedly connected with the rotating shaft.

The utility model relates to the technical field of material unwinding, in particular to a motor-free unwinding mechanism which comprises a mounting plate and an unwinding drum rotationally connected to the mounting plate to unwind a film material, the mounting plate is hinged to a tensioning swing arm through a first hinge shaft, and one end of the tensioning swing arm is provided with a tensioning roller located in front of the unwinding drum; the axial direction of the tensioning roller is parallel to the axial direction of the unwinding drum, the starting end of a film material is wound on the upper circumferential wall of the tensioning roller and extends downwards to be discharged, the starting end of the film material is pulled by a power device to be discharged, and the other end of the tensioning swing arm is provided with a brake part which abuts against the unwinding drum to conduct braking. The mounting plate is provided with a first elastic piece which forces the tensioning swing arm to swing till the brake piece abuts against the unwinding drum in a normal state. The unwinding mechanism has the effect of reducing the maintenance cost of the unwinding mechanism.

A fall-arrest device (1,26) for use during rope-climbing activities, the device comprising or including a housing (5) for rotatably receiving therewithin a brake wheel (11,30) supported on an axle (20), the housing including anchor means (3,4) permitting connection of the device to a user thereof, the brake wheel having peripheral teeth (17,29) adapted to, in use, engage with a mid-portion of an anchored safety rope (2), the housing being openable by a gate (5a) through which to receive part of the anchored safety rope and thereafter being closable to trap the safety rope between the teeth of the brake wheel and a rope bearing thrust surface (18,28) on or in the housing, the brake wheel having associated automatic locking means (23,24), preventing rotation of the brake wheel about the axle above a nominal rate of rotation, the brake wheel locking means being spring-biased (14) to a stored position when the brake wheel is stationary or rotates below the nominal rate during use, the brake wheel locking means (24) being movable from the stored position to an operable position in which it engages with one or more locking formations (23) preventing further rotation of the brake wheel about the axle, the brake wheel axle being drivingly secured at at least one end thereof to a respective pinion (13a, 13b) having teeth extending radially therefrom, the teeth of the or each pinion being engageable with a respective toothed rack (12a, 12b,27) fixed to the inside of the housing whereby to permit the brake wheel to assume a path of movement further towards the thrust bearing surface such that when rotation of the brake wheel exceeds the nominal rate and has been arrested, such that when the rate of rotation of the brake wheel relative to the anchored rope exceeds the nominal rate, the axle and brake wheel are progressively driven further towards the thrust bearing surface to thereby cause the teeth of the brake wheel to progressively bite into the rope and arrest downward movement of the device along the rope.

The invention discloses a self-adaptive cutter system for brake disc machining. The self-adaptive cutter system comprises a cutter handle, a cutter disc, a cutting blade, a suspension sleeve, an electromagnet and a control system. The permanent magnet is embedded in the circular truncated cone section of the cutter handle, the suspension sleeve is circumferentially fixed to the cutter head through the flat key, the flat key is pasted with the strain gauge to detect cutting force in real time, and the electromagnet and the permanent magnet are oppositely arranged in the radial direction to form magnetic suspension supporting. And the control system adjusts the current of the electromagnet according to the strain signal, dynamically adjusts the radial rigidity and the suspension position of the cutterhead, and realizes axial-radial decoupling support in combination with the thrust bearing. In a preferable embodiment, the cutting blade realizes micron-order cutting depth adjustment through a piezoelectric ceramic driving gasket, the service life of the cutter is prolonged due to the alternative opening design of a cutter head mounting boss, and the problem of winding of a rotating lead is solved by a conductive slip ring assembly. Working conditions such as sand holes and hardness sudden change can be responded in real time, broadband vibration is restrained, the machining precision is improved, the service life of the cutter is prolonged, and the method is suitable for high-precision brake disc machining.

The application discloses a bogie covering device, a bogie and a railway vehicle, and relates to the technical field of railway vehicles. The bogie covering device comprises a mounting cross beam, which is used for fixedly connecting to a frame body of the bogie; at least two mounting plates, which are fixedly arranged on the mounting cross beam, and at least one of the mounting plates is used for fixedly connecting to the frame body of the bogie; and at least one of the mounting plates is provided with a containing portion for containing an axle-mounted brake disc, and the bottom of the containing portion is protrusively arranged towards the outer surface of the mounting plate. The bogie covering device in the application can be applied to the bogie with a large-size axle-mounted brake disc; in the process of running, the airflow can be prevented from entering the bogie device through the avoiding holes to generate the aerodynamic resistance, most of the airflow can flow along the bottom surface of the bogie covering device from the outside of the bogie covering device, and compared with the airflow directly flowing through the complex components in the bogie covering device, the aerodynamic resistance can be effectively reduced.

The invention belongs to the field of mechanical performance testing, and relates to an intelligent testing method for the fatigue performance of a wet brake, which comprises the following steps of: acquiring real-time operation data of the wet brake under the condition that a load is applied by a loading device in a testing process by deploying a multi-source monitoring array; generating a fatigue stress distribution diagram representing the stress state of a preset test area of the wet brake based on working condition fusion analysis, correspondingly identifying a failure early warning signal representing the current fatigue damage stage so as to dynamically adjust the parameters of a loading device, and adjusting the stress state of the wet brake in the loading intermittent period of a single test cycle period. The fatigue performance response effect of the wet brake under the action of the current loading strategy is analyzed, the correction direction of the loading strategy of a secondary test cycle is determined, test convergence is achieved through iterative optimization, the consistency of a test result and a real fatigue damage rule is improved, meanwhile, the test efficiency and evaluation precision are improved through closed-loop regulation and control and a self-adaptive iterative framework, and the test accuracy is improved. And a reliable basis is provided for fatigue performance evaluation of the wet brake.

The invention discloses an automatic system for brake spring force detection, which relates to the technical field of mechanical engineering and automatic control, and is characterized in that a multi-physics field coupling measurement module adopts a nested force sensor group (a strain gauge and piezoelectric quartz compound) and non-contact displacement measurement, and is combined with a thermal expansion compensation ring to correct temperature influence in real time; the environmental interference suppression module eliminates electromagnetic and thermal interference through an electromagnetic shielding cavity and a temperature control platform; the dynamic error compensation engine realizes drift prediction and physical field fusion by using six-dimensional attitude sensing and edge calculation (LSTM + GPR double-stage model); the self-calibration executing mechanism completes nanoscale positioning and micro-force control based on air flotation driving and the bionic clamping jaw. The method solves the problem of measurement misalignment caused by environmental interference, material thermal deformation and clamping errors in traditional detection, and is suitable for high-precision spring force detection under complex working conditions.

An electromechanical actuator comprises a casing, an electric motor, a gearbox, a spring-applied brake (25) and a centring shaft (71). The brake (25) comprises a coil spring (48), a drum (49), an input member (50), an output member (51) and a bushing (76). The input member (50) comprises a first bore (72). The output member (51) comprises a first bore (73) and a second bore (74). The shaft (71) is mounted inside the first bore (73) of the output member (51) and a bore of a sun gear of a reduction stage of the gearbox. The bushing (76) comprises a bore (77), inside which the shaft (71) is mounted. The bushing (76) is mounted inside the first bore (72) of the input member (50) with an interference fit and inside the second bore (74) of the output member (51) with a loose fit.

The utility model discloses assembling equipment, and relates to the technical field of vehicle production, the assembling equipment comprises a production line, an assembling device, a feeding device, a tightening device and a tightening machine, the production line is sequentially provided with a feeding station, a feeding station and a tightening station along the conveying direction of the production line, the assembling device comprises a bearing mechanism, a tightening mechanism and a first transfer robot; the first transfer robot can transfer the shock absorber from the bearing mechanism to the tightening mechanism, and can also transfer the tightened shock absorber to a brake disc at the feeding station; the feeding device is used for conveying locking nuts to a screw rod, penetrating through a shock absorber, on the brake disc; the tightening device is used for tightening the locking nut and the locking nut for fixing the swing arm; the tightening machine is used for tightening fixing bolts of the fixing support and fixing nuts matched with the fixing bolts. According to the technical scheme, the assembling device, the feeding device, the tightening device and the tightening machine are arranged, so that manual assembly of the brake assembly can be replaced, and the working efficiency is improved.

The invention belongs to the technical field of spraying devices, particularly relates to brake disc surface coating coating equipment and a coating method, and provides the following scheme aiming at the problems that in the existing spraying process, coating is diffused to the surrounding environment, a brake disc is not uniformly sprayed, and the brake disc is not uniformly heated during drying. The brake disc surface coating coating equipment comprises a workbench, two mounting plates are fixed to the top of the workbench, a chain plate type conveying belt is arranged between the two mounting plates, a plurality of fixing columns are fixed to the top of the chain plate type conveying belt, and the tops of the fixing columns are rotationally connected with tool bottom plates; a brake disc body is placed on the top of the tool bottom plate, the chain plate type conveying belt can be protected in the spraying process, coating is prevented from being attached to the chain plate type conveying belt, the coating can be shielded through a third baffle, and the coating is prevented from overflowing to the outside; and the brake disc body can be uniformly sprayed without dead angles through the reciprocating swing of the liquid pipe and the rotation of the tool bottom plate.

The invention discloses brake caliper body assembling equipment which solves the problem that a rectangular ring is easily separated from a rectangular ring positioning rod and comprises an automatic rectangular ring assembling device and a caliper body assembling unit, and the caliper body assembling unit is used for assembling a caliper body assembled with the rectangular ring. The automatic rectangular ring assembling device comprises a rectangular ring positioning and assembling mechanism and a rectangular ring chuck mechanism. The rectangular ring positioning and assembling mechanism comprises a rectangular ring positioning rod provided with a rectangular ring positioning groove and a first lifting driver for driving the rectangular ring positioning rod to move up and down. The rectangular ring chuck mechanism comprises an upper layer chuck and a lower layer chuck, the lower layer chuck is used for extruding the rectangular ring into the rectangular ring positioning groove, and the upper layer chuck is used for preventing the rectangular ring from being disengaged from the rectangular ring positioning groove.

The utility model discloses a device facilitating installation of a brake lock clamp, belongs to the technical field of brake lock clamp installation, and solves the problem that a lock clamp is difficult to install in the prior art. The device comprises a tool frame, a roller path facilitating brake conveying is arranged on the tool frame, a workbench is arranged in the middle of the tool frame, a lifting device used for lifting a brake is arranged in the middle of the workbench, and a piston pressing device used for pressing a piston is arranged on the rear side of the workbench. A reset pin press fitting device used for press fitting of a reset pin and a spring is arranged on the portion, on one side of the lifting device, of the workbench, a supporting seat is arranged on the front side of the workbench, and a positioning pin used for positioning is movably connected to the supporting seat in an inserted mode. According to the device convenient for installing the brake lock clamp, the piston can be quickly pressed and the lock clamp can be quickly assembled, the assembling efficiency is effectively improved, and the device has the characteristics of convenience in use and strong practicability.

The application discloses a damping-adjustable hydraulic bushing and a control method thereof. The damping-adjustable hydraulic bushing is composed of a hydraulic bushing body and a solenoid valve. The hydraulic bushing body comprises a bushing support, a main spring rubber, a cast aluminum inner tube, an aluminum outer tube and a cage-shaped framework. The cast aluminum inner tube, the main spring rubber and the aluminum outer tube are coaxially arranged from inside to outside. The cage-shaped framework is arranged in the main spring rubber and used for supporting the main spring rubber. Two flow channel plates are assembled between the aluminum outer tube and the main spring rubber, so that a brake liquid chamber and an acceleration liquid chamber are formed between the main spring rubber and the flow channel plates respectively. A brake flow channel on the brake side flow channel plate cooperates with an acceleration flow channel on the acceleration side flow channel plate to form a passage. A connecting bridge is arranged on the cage-shaped framework. The solenoid valve is connected to the connecting bridge through bolts. An axial actuating hole is arranged on the cage-shaped framework. An actuating rod is arranged in the axial actuating hole and controlled by the solenoid valve.

The invention discloses a copper-based friction plate of a wind power high-speed shaft brake and a manufacturing method, the friction plate comprises a friction material, the friction material comprises a friction layer and a friction layer, the friction layer comprises the following raw materials in percentage by weight: 65-72% of copper powder, 1-6% of iron powder, 3-10% of high-carbon ferrochrome powder, 8-15% of copper-tin-titanium powder and 15-20% of graphite powder; 1 to 5% of TiB2; and the transition layer comprises the following raw materials in percentage by weight: 70-75.4% of iron powder, 23-28% of copper powder, 1-3% of graphite powder and 0.6-1.2% of copper welding powder. The friction plate in the technical scheme is low in cost, does not contain harmful elements such as lead, meets the environmental protection requirement, integrates the advantages of a copper-based friction plate and an iron-based friction plate, has a stable friction factor and good wear resistance, and has the friction performance superior to that of an imported friction plate.

A sheet material handling equipment includes a handling fixture having a frame adapted for attachment to a robot or manipulator; at least two arms anchored to the frame, each arm being formed by at least two semi-arms pivotally connected to each other and including a gripping member at its free end, the pivotal connection including a rotatable joint with a joint coupling having a joint brake, which are passive with a pressure or electric lock; and a first control line for distributing electrical power, and / or air, and / or hydraulic fluid for controlling the joint and / or the gripping member connected via an adapter to (a) an electrical power supply, and / or hydraulic fluid, and / or air to the robot or manipulator and to (b) a work line control unit, and an adjusting fixture structured to actively adjust a position of at least one of the arms and / or to unlock the joint brake.