1833 results about "Disc brake" patented technology

The invention relates to a rotary buckle type oil pipe quick connection structure and an oil pressure disc brake system. The rotary buckle type oil pipe quick connection structure comprises a first oil pipe with the interior communicated, a connecting piece and an adapting piece, oil ways penetrate through the interior of the connecting piece and the interior of the adapting piece, and the connecting piece and the adapting piece are clamped and limited so as to penetrate through the oil ways; the connecting piece at least comprises a first inserting part and a clamping point part arranged on the side wall of the first inserting part; the adapter at least comprises a main body part, the interior of the main body part is through, and a first containing cavity, a second containing cavity and a third containing cavity which are sequentially arranged and are communicated with one another are formed in the axial middle of the main body part; the bayonet part is arranged on the side wall surface of the first accommodating cavity and is communicated to the second accommodating cavity, so that the clamping point part penetrates through the bayonet part and is rotationally positioned in the second accommodating cavity; and the locking piece is fixedly assembled on the outer wall of the main body part, and a buckling head part which extends into the second accommodating cavity to limit the rotation angle of the clamping point part is arranged on the locking piece. The oil pipe and the pump body can be conveniently and rapidly assembled and fixed, an oil way is smooth and does not leak oil, and rapid assembly of the oil pipe in an oil pressure disc brake system is greatly facilitated.

The invention provides an elevator multi-caliper disc brake diagnosis method, system and device, a medium and a product, and relates to the field of fault diagnosis of elevator multi-caliper disc brakes. The diagnosis method comprises the following steps: acquiring a state transition matrix among preset states in a Markov jump system state transition model; first operation data of the multi-caliper disc brake are obtained and preprocessed; according to the preprocessed first operation data, a current braking system state estimation value and a corresponding operation data range are obtained; second operation data of the multi-caliper disc brake are collected in real time and preprocessed; and when the preprocessed second operation data exceed the operation data range, the fault type of the multi-caliper disc brake is determined according to the current braking system state estimation value, the Markov jump system state transition model and the state transition matrix. According to the invention, fault diagnosis of the multi-caliper disc brake of the elevator can be realized, and support is provided for daily overhaul and maintenance of an elevator brake system.

The invention discloses a clamping device for welding a disc brake pad, and relates to the technical field of welding. The problem of heat dissipation is solved. The device specifically comprises a mounting base, a plurality of supporting columns are fixed to the outer wall of the mounting base through bolts, an inner fluted disc and a fixing frame are fixed to the outer walls of the supporting columns correspondingly, a rotating disc is rotationally connected to the inner wall of the fixing frame, a clamping mechanism is arranged on the outer wall of the rotating disc, and a jacking column is arranged in the rotating disc. The clamping arms are arranged for circumferential clamping, meanwhile, the jacking columns are arranged for jacking the brake disc, so that a gap is formed between the brake disc and the rotary disc, the heat dissipation reliability is guaranteed, meanwhile, rising of the jacking columns and clamping movement of the clamping arms are achieved through rotation of the jacking columns, and therefore power synthesis is conducted; the synchronous linkage performance is improved, meanwhile, the multiple clamping arms can synchronously move, and therefore it is guaranteed that the position of the clamped brake disc is fixed, mutual positioning of a welding gun and the brake disc in the subsequent welding process is facilitated, and the subsequent welding precision is improved.

In a disc brake (2) with a brake disc (1) having a virtual main disc plane (11), a disc hub (3), and two friction rings (5, 6) mounted on the disc hub (3) so as to be non-rotatable about an axis of rotation (4), arranged at an axial distance (8) from each other forming a cooling gap (7), and provided with holes (9, 10), the holes (9, 10) through the friction rings (5, 6) each extend at an angle (19) between 20° and 70° to the main disc plane (11). Viewed from the cooling gap (7), either all holes (9, 10) through both friction rings (5, 6) extend away from the axis of rotation (4) or all holes (9, 10) through both friction rings (5, 6) extend towards the axis of rotation (4).

The invention provides a common-mandrel double-self-driving synchronous control permanent magnet outer rotor lifting device and a control method thereof.The device comprises a mandrel and supporting bases used for supporting the left end and the right end of the mandrel, and the mandrel is provided with a left permanent magnet outer rotor lifting structure and a right permanent magnet outer rotor lifting structure; each permanent magnet outer rotor lifting structure comprises a winding drum, a stator, a permanent magnet, an end cover and a disc brake used for braking the winding drum, the stator is arranged in the winding drum, the winding drum is rotatably connected with the mandrel, the stator comprises a stator iron core support, a stator iron core and a stator winding, the stator iron core support is arranged on the mandrel and provided with the stator iron core, and the stator winding is arranged on the stator iron core support. The stator core adopts a magnetic slot wedge, the stator winding is arranged on the stator core, and the mandrel is provided with a wiring slot for accommodating a stator winding outgoing line; the whole diameter can be reduced, the stability during working is improved, the double-load two-way transportation requirement can be met, the flexibility and adjustability are improved, and the double-load two-way transportation device has the advantages of being few in transmission links, free of a high-speed shaft, high in reliability and low in energy consumption.

The invention discloses a solid waste recycling forming machining die, and relates to the technical field of bicycle production waste reutilization, the solid waste recycling forming machining die comprises a lower die mechanism, an upper die mechanism is arranged on the lower die mechanism, a pressing mechanism is arranged on the upper die mechanism, and a male die set is arranged in the middle of the bottom wall of an upper die base; the material pressing mechanism comprises a first spring and a material pressing plate which are arranged on the upper die base, and further comprises an elastic ejector block set arranged on the material pressing plate and a guide hole site set formed in the material pressing plate in an up-down penetrating mode. The die has the advantages that the same die carries out stepped continuous punching operation, punching stress can be reduced, and the probability of deformation of the disc brake during punching is reduced; residual stress existing in the punched disc brake disc can be redistributed through attaching and pressure maintaining, and the situation that due to the fact that large holes and small holes in the disc brake disc are evenly and densely distributed in position, local deformation is generated is prevented; and the elastic ejector block group applies uniform elastic pressing force to the disc brake disc, so that the probability of deformation of the disc brake disc during rigid demolding is reduced.

A grey cast iron may have within a ferrous matrix: an amount of carbon between 3.60 and 3.90% by weight; an amount of silicon between 1.40 and 1.90% by weight; an amount of titanium not higher than 0.10% by weight; an amount of boron between 0.04 and 0.07% by weight; an amount of vanadium between 0.07 and 0.14% by weight; an amount of manganese between 0.60% and 0.90% by weight; an amount of nickel not higher than 0.20% by weight; an amount of chromium not higher than 0.35% by weight; an amount of copper not higher than 0.35% by weight; an amount of phosphorus not higher than 0.10% by weight; an amount of sulphur not higher than 0.12% by weight; an amount of tin not higher than 0.10% by weight; an amount of molybdenum not higher than 0.10% by weight.

The invention relates to a disc brake clearance automatic testing device and method, and the device comprises a to-be-tested disc brake, an air chamber push rod stroke measuring unit and a control unit, the to-be-tested disc brake is internally provided with a pressure sensor, the air chamber push rod stroke measuring unit comprises an air chamber, an air cylinder, an air chamber push rod and a force sensor, and the air cylinder is provided with a displacement sensor. And the control unit at least comprises a control module for sending a control instruction and an acquisition module for acquiring data of each sensor. The brake clearance of the disc brake is determined by processing pressure sensor data, force sensor data and displacement sensor data. Manual measurement is not needed, manual input is reduced, and the problem that manual measurement is poor in accuracy and consistency is solved. Besides, according to the brake clearance measurement method, measurement is carried out when data of the displacement sensor tends to be stable, and compared with a filler gauge measurement method, the measurement result of clearance measurement is more accurate.

According to the intelligent disc brake braking system of the new energy vehicle, the road surface condition is monitored in real time by integrating the road surface flatness sensor, the speed sensor and the acceleration sensor. The data processing module receives and processes the data, generates appropriate braking force feedback suggestions, and transmits information to a driver through a light or sound prompt system. The brake pedal feedback force adjusting module adjusts the hydraulic pressure and the braking force according to the calculation result, it is ensured that the braking force is rapidly and accurately applied under the emergency situation, and the driving safety and the driving comfort are improved. The system is suitable for various road conditions, the feedback force of the brake pedal can be automatically adjusted, the fatigue of a driver is relieved, and the control stability and trafficability of a vehicle are improved.

A mechanical wear gauge for detecting a brake liner wear and a brake disc wear of a disc brake for vehicles, in particular for utility vehicles, includes a brake liner wear detection mechanism and a brake disc wear detection mechanism. Brake liners and brake discs are subjected to a wear so that the brake liner thickness and the brake disc thickness decrease with an increasing period of use. A base member includes an arm member having a pincer leg. A first sliding member having a pincer leg is slidable relative to the base member and arm member to detect brake disc wear. A second sliding member, extending parallel to the first sliding member, is slidable relative to the base member to detect brake liner wear.

The invention discloses a preparation system for brake pads of a disc brake, and relates to the technical field of disc brake pad preparation, the preparation system comprises a box body and a plurality of brake pads, and further comprises a box door, the box body is provided with a taking groove, the box door is rotatably mounted in the taking groove, and the box door is used for controlling opening and closing of the taking groove; and the motor is fixedly installed at the bottom of the box body, the output end of the motor is fixedly connected with a rotating rod penetrating through the bottom of the box body, a plurality of positioning assemblies are rotationally installed on the rotating rod, and the positioning assemblies are used for fixing and shaping the brake pad. The device has the advantages that through ingenious structural matching, the brake pad can be sequentially and automatically fixed through rotation of the rotating rod in the brake pad placing process, heat in the box body is evenly distributed through rotation of the brake pad in the heat treatment process, the operation steps can be effectively simplified, the product quality can be guaranteed, and the production efficiency is improved. And meanwhile, the production cost and the use cost are greatly reduced.

The double tension protection winch for the underwater blowout preventer comprises a rack, a roller is installed on the rack, a plurality of sets of tension devices are evenly distributed and fixed to one end of the roller, and a large gear ring is clamped by the other ends of the multiple sets of tension devices; a motor is fixed to the position, close to the large gear ring, of the rack, and a small gear is arranged on an output shaft of the motor and meshed with the large gear ring. Arc-shaped frames are welded to the positions, at the two ends of the roller, of the rack respectively, cable arrangement supports are fixed to the arc-shaped frames through bolts a, a lead screw is installed between the two cable arrangement supports in the axial direction of the roller, and a lead screw chain wheel is arranged on the lead screw; the rack is provided with a brake disc brake device close to the large gear ring; and the hydraulic control system is respectively connected with the motor, the tension device and the brake disc brake device. According to the double tension protection winch for the underwater blowout preventer, the tension device and the hydraulic control system are arranged for double tension protection, an umbilical cable is prevented from being snapped, the cable arrangement device is designed to be in a rotatable mode, and the universality of the winch is improved.

A motor vehicle disk brake has a sleeve which is manufactured from elastomer for the purpose of sealing a gap between the bolt and the brake holder. The sleeve has ribs lying against the bolt. The ribs are arranged parallel to the axis of the bolt and are odd in number. A release operation of the motor vehicle disk brake is assisted by the sleeve.

The invention discloses an electromagnetic disc brake with a gap automatic compensation function, and relates to the technical field of electromagnetic disc brakes, the electromagnetic disc brake comprises a mounting base and a connecting shell, one side of the mounting base is provided with a shell, an electromagnet is mounted in the mounting base, one side of the electromagnet is provided with an armature, and the armature is connected with the shell. One side of the armature is connected with multiple sets of reset springs, and one end of each reset spring is fixed to the inner side of the shell. According to the electromagnetic disc brake with the gap automatic compensation function, the gap between the armature and the electromagnet can be detected through the microswitch, and when the gap exceeds the range, the thin hydraulic cylinder can be started to drive the hydraulic plunger head to push the armature to move, so that the gap between the armature and the electromagnet returns to normal, and compensation is completed; the sealing mechanism can prevent external dust from making contact with the armature and other components, so that the braking effect is kept, and the heat dissipation mechanism can dissipate heat of the braked components.

The utility model discloses a brake main shaft capable of braking stably, which relates to the technical field of brake main shafts and comprises a brake main shaft main body and a brake disc. The servo motor drives the supporting shaft and the gear to rotate reversely, the gear rotates reversely to drive the fluted disc, the connecting disc and the two sets of arc-shaped grooves to rotate forwards, the two sets of arc-shaped grooves rotate forwards to push the distance between the two sets of connecting shafts to be gradually shortened, and the two sets of connecting shafts move to drive the two sets of clamping brake pads to move. The two sets of clamping brake pads slide on the inner sides of the sliding grooves, the inner sides of the two sets of clamping brake pads gradually get close to the outer wall of the brake disc, the outer wall of the brake disc is braked through the two sets of clamping brake pads, so that the brake disc brakes the brake main shaft body, and the brake main shaft is stably braked through the clamping brake pads; through mechanical braking, the braking mechanism of the braking main shaft is simple in structure, reliable in action, large in braking torque, rapid in braking and convenient to maintain.

The invention relates to the technical field of vehicle detection, in particular to an electric vehicle disc brake service life testing device and a use method thereof.In the testing process, a to-be-tested disc brake system is subjected to installation preparation before testing, specifically, a hand brake handle is installed on a brake simulation mechanism, and a brake disc and brake calipers are installed on a disc brake fixing mechanism; then starting a test process, firstly starting a power output mechanism to drive a brake disc to rotate, triggering a brake simulation mechanism and applying pressure to a hand brake handle after a set rotating speed is reached, simulating a brake effect, and setting a time length of a timer to meet the time required by one test process; and entering the next test process after the test process is determined to reach the time through the timer, and disassembling the brake disc to check whether the abrasion loss of the brake disc reaches the standard or not until the test times recorded by the counter reach the test requirements. The device not only can detect a common disc brake system, but also can detect a high-end disc brake system with an ABS function, is efficient and accurate, can improve the safety coefficient of travel, and has great popularization value.

A piston retraction tool is provided. The tool can be operated with one hand. When an operating handle is operated, the helical movements of a first external thread and a second external thread drive a first pressure plate and a second pressure plate to extend and move away from each other. First engaging pieces of first L-shaped elastic plates and second engaging pieces of second L-shaped elastic plates are distributed in the roots and on the crests of the first and second external threads. The helical movements of the first and second external threads don't interfere with each other because the first and second engaging pieces of the first and second L-shaped elastic plates are configured to jump along the first and second external threads independently. The helical movements of the first and second external threads will not be locked.

Disc brake, in particular for a commercial vehicle, with a brake caliper (1) attached to a brake carrier, in which at least one clamping device is arranged, with which a brake pad (2) consisting of a carrier plate (4) and a friction lining (5) can be pressed against a brake disc (6) during braking, characterized in that the brake pad (2) is positively and / or forcefully attached in the caliper (1) or in the brake carrier in a tangential and radial direction, for which purpose the pressure plate (3) which is connected to each threaded pin of two parallel and spaced-apart adjusting spindles (18) of the brake caliper (1) has recesses (8) or projections (7) on its side facing the carrier plate (4) in which projections (7) or recesses (8) of the carrier plate (4) are engaged.

The invention relates to the technical field of rail transit, in particular to a brake disc connecting structure, a full-disc type brake device and a rail vehicle. In the brake disc connecting structure, a brake disc comprises a plurality of brake movable discs and a plurality of brake movable discs which are arranged at intervals, a core shaft is suitable for being connected with a braked power shaft, the core shaft is arranged at the axis of the brake disc in a penetrating mode, the core shaft is fixedly connected with all the brake movable discs and can synchronously rotate, and all the brake discs can enable the core shaft to brake the power shaft through mutual extrusion. Wherein a center plate is arranged in the mandrel, one end of the center plate is connected with the inner wall of the mandrel, and the other end of the center plate is connected with a braked power shaft. The brake disc connecting structure is simple in overall structure and easy to disassemble and assemble, so that the later maintenance cost is reduced; moreover, the brake disc connecting structure utilizes the center plate in the mandrel to realize internal heat dissipation of the mandrel, so that the internal heat transfer path of the mandrel is prolonged, the influence of dynamic heat energy on the motor bearing is effectively reduced, the service life of the motor bearing is prolonged, and the use safety of the motor bearing is improved.

The invention relates to the technical field of railway vehicle wheel sets, and provides a disc brake type wheel set which comprises a transmission shaft, a pair of shaft sleeves, a shell, a movable disc, a fixed disc and wheels. The space formed by the shell and the shaft sleeve is a first braking area and a second braking area which are independent of each other, the movable disc is movably connected to the transmission shaft, the fixed disc is movably connected to the shell, and the movable disc and the fixed disc are arranged in the shell at intervals and suitable for acting in the axial direction of the shell. A first actuator is arranged in the first braking area, and a second actuator is arranged in the second braking area so as to generate axial thrust on the movable disc and the fixed disc. The invention further provides a bogie and a railway vehicle. The defects that in the prior art, a traditional rail vehicle braking device causes extra loads to the axle, high energy consumption and large inter-spring mass are brought to the rail vehicle, and the braking torque is insufficient in the wheel steering process are overcome, the lightweight design of the axle is achieved, the braking torque is sufficient when the vehicle steers, and the running safety of the rail vehicle is guaranteed.

The invention relates to the technical field of disc brake discs, and particularly discloses a disc brake disc assembly capable of cooling, which comprises a main body structure and a cooling structure, the cooling structure is detachably arranged on a caliper main body of the main body structure, according to the scheme, the disc brake disc is designed to be assembled, and the assembled disc brake disc forms a hollow H shape; meanwhile, copper pipes are symmetrically arranged on the inner side walls, cooling liquid can be contained in the copper pipes, efficient heat conduction, absorption and heat dissipation are conducted, and in the running and rotating process, fan blades in the middle of the disc brake set rotate under wind power to promote and improve internal heat dissipation; in addition, wind power is generated through the cooling assembly by means of an air pump, low-temperature wind power flowing out of one end of a vortex three-way pipe is blown to the disc brake disc through the vortex three-way pipe, the cooling speed is increased, the cooling effect is improved, and driving safety is guaranteed.

The invention provides a dynamic loading friction braking energy dissipation ship lock anti-collision device and method. The device comprises a lifting mechanism, a braking mechanism, an arresting mechanism and a steering mechanism. The lifting mechanism comprises a motor, a transmission mechanism, a winding drum and a steel wire rope wound on the winding drum, and the blocking mechanism is moved to a preset height through the steel wire rope for blocking; the blocking mechanism comprises a lower end steel wire rope and an upper end steel wire rope which are arranged on the steering mechanism in parallel in the vertical direction. The steering mechanism is used for guiding the steel wire rope of the lifting mechanism in the vertical direction into the lower end steel wire rope and the upper end steel wire rope of the parallel blocking mechanism; the brake mechanism comprises a brake disc arranged on the winding drum and brake disc brakes installed on the two sides of the brake disc. The technical problems that in the prior art, an anti-collision device is complex in structure, redundant in arrangement, insufficient in blocking performance and the like can be solved.

The invention discloses an overspeed protection device for a metallurgical electric hoist, and relates to the technical field of cranes. The overspeed protection device for the metallurgical electric hoist comprises the electric hoist, a walking device is fixedly connected to the top of the electric hoist, a connecting shaft is fixedly connected to the right side of a reel of the electric hoist, an overspeed detection mechanism is fixedly connected to the right side of the reel of the electric hoist, and a speed reduction mechanism is fixedly connected to the outer wall of the connecting shaft. The outer wall of the connecting shaft is fixedly connected with a brake mechanism on the right side of the speed reduction mechanism. According to the overspeed protection device for the metallurgical electric hoist, a locking telescopic rod extends and is clamped into a corresponding groove in a locking disc, so that a connecting wheel rolls up a pulling wire, a pulling-up block is lifted upwards from the bottom of a guide pipe, part of energy is converted into potential energy of the pulling-up block, and the speed of a lifting hook of the electric hoist is slowed down; and the disc brake disc is prevented from losing the braking capacity due to overheating.

The invention discloses a storage device for heat treatment of disc brake pads, and relates to the technical field of devices for disc brake pad machining, the storage device comprises a plurality of brake pad bodies uniformly placed on a placement rack, and further comprises a plurality of storage frames, and each storage frame is used for storing the same number of brake pad bodies; a plurality of mounting cavities are formed in the placing frame, a storage frame is fixedly mounted in each mounting cavity, a lifting assembly matched with the plurality of storage frames is mounted on the placing frame, and the lifting assembly is used for downward moving storage or upward moving ejection of brake pad bodies in the storage frames. The device has the beneficial effects that through a simple structure, brake pads in batches can be automatically and accurately placed and recycled, manual operation of workers is not needed, the problem that the workers are scalded is effectively solved, the working efficiency and the heating uniformity degree of the brake pads in the treatment process can be greatly improved, and the product quality is guaranteed.

The utility model discloses a double-diaphragm disc type brake chamber which comprises a front cover assembly, a middle body assembly and a cylinder body assembly. A push rod disc assembly is arranged between the front cover assembly and the middle body assembly, a first leather film is arranged between the push rod disc assembly and the middle body assembly, a dustproof sleeve is fixedly arranged on the front cover assembly and arranged on the outer side of the push rod disc assembly in a sleeving mode, and the cylinder body assembly comprises a second leather film, an aluminum release disc, a cylinder body and a release bolt. According to the double-diaphragm disc type brake chamber, due to the fact that the sealing assembly is arranged, hard friction between the tappet rod and the inner hole of the middle body is reduced, the service life of a product is prolonged, meanwhile, the tappet rod and the tappet rod disc are connected in a riveting pressing mode, the assembling technology is simplified, the assembling cost is reduced, and the potential risk that screws are loosened due to the fact that thread glue is not coated is avoided; center positioning of the release disc is increased through the parking cavity leather film, and damage to the release disc and the spring due to the fact that the leather film and the release disc are not positioned in the prior art when the parking cavity works is reduced.

The invention discloses a production method of a disc brake pad. The production method comprises the following steps: carrying out shot blasting treatment, blowing dust removal, cleaning and drying on the surface of a steel back plate; the pressing face of the steel back plate is glued through a gluing machine; preparing friction plate powder for compression molding; determining the distribution mass of each part of friction plate powder according to the model of the steel back plate; and the loaded friction plate powder is pressed on the pressing surface of the steel back plate by pressing equipment. According to the production method of the disc brake pad, the surface of the steel back plate can be clean and has good roughness by treating the surface of the steel back plate, so that the formed friction plate and the steel back plate have good connection performance, and the firmness of the friction plate is enhanced; and glue cannot be coated on the edge of the steel back plate by utilizing the glue coating machine, so that on one hand, the glue is saved, and on the other hand, the edge of the steel back plate cannot be adhered to some impurities or pressing equipment due to the glue.

The invention relates to a measuring point deployment and fault diagnosis method for cooperative monitoring of multiple components of an electric shovel. According to the method, firstly, a key vibration measurement surface is selected through kinetic analysis, the optimal measurement point deployment position is selected based on the effective vibration information proportion and the relative effective information amount, and the scheme reasonability is evaluated through information entropy. Then, vibration measuring points are installed on key components such as a driving motor, a disc brake and a reduction gearbox, the vibration state of the system is comprehensively obtained, and a single fault feature extractor is further constructed; then, a system-level fault diagnosis model is constructed, the model comprises a single fault feature extractor, a component space relation graph, a classifier and the like, and cooperative fault diagnosis of the key components of the electric shovel lifting mechanism transmission system is achieved through the training model. According to the method, the accuracy and comprehensiveness of fault diagnosis are improved, the downtime and maintenance cost caused by faults are reduced, effective technical support is provided for safe operation of mining machinery, and the method has important practical application value.

A brake pad retainer arrangement for holding a brake pad in position relative to a disc in a disc brake. The arrangement comprises an elongated retainer bracket arranged to extend transversely over the disc and the brake pad, wherein the retainer bracket is spring loaded to press against a rim portion of the brake pad. The retainer bracket is also arranged to engage the rim portion at an angle, thereby biasing the brake pad in a direction away from the disc.

The utility model relates to a disc brake assembly with a single-push structure, and belongs to the field of brakes. The disc brake assembly of the single-push structure comprises a force increasing mechanism, an adjusting mechanism and a braking mechanism, the adjusting mechanism comprises an adjusting and shifting sleeve, a one-way bearing, an inner adjusting sleeve, an adjusting and rotating shaft, an adjusting sleeve and a torsional spring, the adjusting and shifting sleeve is provided with a shifting pin which is located in a shifting groove of a mounting groove, the adjusting and shifting sleeve is provided with a hole for installing the one-way bearing, and the inner adjusting sleeve is installed in an inner hole of the one-way bearing. An adjusting shaft is arranged in the middle of the inner adjusting sleeve, the lower portion of the adjusting shaft is sleeved with the torsional spring, an adjusting sleeve is arranged outside the torsional spring, and a concave-convex embedded structure is arranged between the adjusting sleeve and the threaded push rod. The gap is adjusted by the single adjusting shaft, the adjusting speed is balanced, the problem of inconsistent master and slave adjusting gaps is avoided, and the problem of small brake contact area caused by non-uniform friction of the brake blocks is avoided.

The utility model relates to the technical field of electro-tricycle braking, in particular to a linkage braking assembly and an electro-tricycle. The linkage brake assembly comprises a linkage valve, the linkage valve comprises a valve body, a first elastic piece and a transmission structure, the valve body is provided with a first containing cavity used for containing hydraulic oil, and a plunger structure is connected into the first containing cavity in a sliding mode. According to the utility model, by treading the pedal plate, the pedal plate drives the plunger structure to move through the transmission structure, and hydraulic oil in the first chamber is extruded to finish pressure buildup from the first oil outlet pump to the oil path input port of the front disc brake; the hydraulic oil in the second cavity is extruded to complete pressure buildup from the second oil outlet pump to the oil way input port of the rear drum brake, due to the arrangement of the first sealing structure and the second sealing structure, the first cavity and the second cavity are not communicated with each other, even if pressure buildup of one oil way fails, operation of the other oil ways cannot be affected, and the service life of the rear drum brake is prolonged. And the safety is higher.