1407 results about "Disc brake" patented technology

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 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 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 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 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.

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 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 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 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.

The invention relates to a brake caliper (1) for a motor vehicle disc brake, in particular for a commercial vehicle disc brake with a brake disc moved around a rotational axis (R), with a caliper housing (3) for receiving an application mechanism, and a caliper cover (5) which covers the top of the caliper housing (3) and engages over the brake disc from an application side (19) of the brake disc to a reaction side (21) of the brake disc, and a hold-down bracket (31) which is reversibly detachably fastened to a holder (11) on the reaction side of the caliper cover (5) and spans the brake disc from the application side (19) to the reaction side (21).It is proposed that the brake caliper (1) has a reaction-side support plate (9) which is materially connected to the caliper cover (5), and that the holder (11) is formed in one piece on the support plate (9), and / or that the holder (11) is a first holder, and the caliper housing (3) has a brake disc-side housing wall (17), on which a second holder (27) is formed, and on which the hold-down bracket (31) is reversibly detachably fastened on the application side, wherein the second holder (27) protrudes in the direction of the reaction side (21) from the brake disc-side housing wall (17).

The invention relates to the technical field of data processing, in particular to a mining disc brake abrasion detection method based on an intelligent sensor, and the method comprises the steps: respectively obtaining the detection abrasion loss of a brake under the conditions of thickness, vibration signals and temperature, so as to comprehensively reflect the abrasion state of the brake; according to the pressure stability of the brake disc in the current time period, the thickness confidence coefficient is obtained; according to the vibration signal difference of the brake between the reference time period with the lowest noise and the current time period, the vibration confidence coefficient is obtained; according to the amplitude characteristics and temperature changes of the acoustic emission signals of the brake disc in the current time period, the temperature confidence coefficient is obtained; according to the thickness confidence coefficient, the vibration confidence coefficient and the temperature confidence coefficient, the detection abrasion loss of the brake under the thickness, the vibration signal and the temperature is subjected to weighted fusion, the final abrasion loss is obtained, then the abrasion state of the brake is judged, and the accuracy of abrasion detection on the brake is improved.

The present disclosure relates to a force transmission apparatus for a disc brake, The apparatus comprises an actuation element, a brake liner arrangement having a brake liner and a carrier plate, and a pressure element. The pressure element has a thickness which extends toward the actuation direction, a length extending in a tangential direction of an associated brake disc in an installed state and a width which extends in a radial direction of an associated brake disc in the installed state. The pressure element has a force input side operationally connected to the actuation element and a force output side. The force output side has contact regions spaced apart from each other and operationally connected to the carrier plate. The force output side has a region which is recessed into the pressure element. The recessed region has a first reinforcement web which connects the contact regions to each other such that the first reinforcement web is not recessed or is recessed less than the recessed region.

The invention relates to a brake pad or a disc brake caliper, comprising a support plate receiving a friction material. According to the invention, the support plate is made from low-alloy carbon steel containing less than 0.3% by weight of carbon and vanadium in an amount between 0.2 and 0.3% by weight.

The invention relates to the technical field of disc brake pad processing equipment, in particular to disc brake pad polishing and rust removing equipment with a waste chip collecting mechanism, which comprises a mounting plate, a polishing mechanism, a dust collecting mechanism, a dust collecting mechanism, a dust collecting mechanism, a dust collecting mechanism and a dust collecting device, and the edge of the bottom surface of the mounting plate is fixedly connected with supporting legs; and the auxiliary mechanism is fixedly mounted in the grinding mechanism. The motor is started to drive the base plate to rotate, the base plate rotates to drive the grinding seat to rotate through the connecting pipe, and then the connecting ring fixedly connected with the base plate drives the top ring to rotate, so that the grinding seat and the top ring rotate relative to the disc brake pad, and synchronous grinding on the surfaces of the upper side and the lower side of the disc brake pad is completed; the whole grinding time of the disc brake pad is greatly shortened, the grinding efficiency is improved, meanwhile, through fixed insertion connection of the top ring and the connecting ring, the whole equipment is in a closed state during grinding, and then the problem that chippings fly around and are difficult to clean in the grinding process is solved.

An actuator for a heavy vehicle foundation brake (e.g. disc or drum brake), and a brake assembly, vehicle and method including the actuator. The actuator includes: an (output) pushrod 30, 230a to inte

The disclosure relates to a brake caliper guide for a floating caliper disk brake, comprising at least one guide pin attached to a brake caliper, having a head and a shaft, a brake carrier having at least one guide bore which has an entry region and a bore depth extending into the brake carrier, and a guide device inserted into the entry region of the guide bore having a sliding sleeve arranged in an elastomer sleeve 40. The shaft of the guide pin is mounted in a longitudinally displaceable manner in the sliding sleeve such that the head is located outside the brake carrier. The region of the shaft which is located on the side of the guide device oriented toward the bore depth projects into the guide bore. The end face of the sliding sleeve which is oriented toward the outer face of the brake carrier has a first collar which extends radially outwardly. The elastomer sleeve overlaps the sliding sleeve and adjoins the first collar and is delimited in the longitudinal extent thereof by this collar, and / or the end face of the sliding sleeve, which is oriented toward the outer face of the brake carrier, has a first collar which extends radially outwardly. The end face of the sliding sleeve has a second collar which extends radially outwardly. The elastomer sleeve is arranged between the first and the second collar and is delimited in the longitudinal extent thereof by the collars.

The invention provides a vortex hydraulic segmented disc brake, and belongs to the technical field of brakes. The brake disc is rotatably mounted on the brake frame, and one end of the brake disc is used for being connected with a roller of the belt conveyor; the brake assembly comprises an electromagnetic induction brake part and a hydraulic brake part and is arranged at the two ends of the brake disc; when the brake brakes, and the rotating speed of the brake disc is higher than a first preset rotating speed, the electromagnetic induction brake part performs electromagnetic eddy current braking on the brake disc; when the rotating speed of the brake disc is lower than the first preset rotating speed and higher than the second preset rotating speed, the electromagnetic induction brake part and the hydraulic brake part jointly brake the brake disc; and when the rotating speed of the brake disc is lower than a second preset rotating speed, the hydraulic brake part performs friction braking on the brake disc. Sparks and abrasion generated during traditional friction braking are reduced, the service life of the brake disc and the service life of the brake block are prolonged, and the safety of underground operation of the mining belt conveyor is remarkably improved. The invention further provides a belt conveyor.

A brake disc for a disc brake may have a braking band made of gray cast iron or steel, provided with two opposite braking surfaces, each of which defines at least partially one of the two main faces of the disc. The disc is provided with a base layer constituted by steel having a nickel content of at most 15% which covers at least one of the two braking surfaces of the braking band.

The utility model relates to the field of brakes of automobiles, and discloses a disc brake convenient for mounting and replacing a friction block, which comprises a brake caliper main body, the friction block and a fixing mechanism, the brake caliper comprises a brake caliper body, connecting mounting seats are arranged on the brake caliper body, mounting grooves are formed in the two mounting seats, mounting plates are arranged in the two mounting grooves, friction blocks are fixedly connected to one sides of the two mounting plates, fixing mechanisms are arranged on the two mounting seats, and the two fixing mechanisms are connected with the two mounting plates correspondingly. And the fixing mechanism comprises a ball body, a U-shaped plate, a spring, a liquid storage tank, a movable plate and a threaded rod. Compared with the prior art, the brake has the advantages that the friction block can be quickly mounted and dismounted without external tools through cooperation of all the components, convenience and efficiency are improved, the structure is simple, operation is easy, and the use effect of the brake is effectively improved.

The invention concerns a disc (40) for a disc brake (30).According to the invention, the disc (40) is made of steel containing less than 0.3% by weight of Carbon.

The utility model relates to an oil pressure self-balancing brake handle, an oil pressure disc brake and a bicycle. The oil pressure self-balancing brake crank comprises a pump body, a rotating base part is formed at one end of the pump body, an oil cylinder cavity with a single open end and an oil pool cavity with a single open end are formed in the pump body, the oil cylinder cavity is communicated with the oil pool cavity through at least one communicating hole, the oil pool cavity and the oil cylinder cavity are filled with brake oil, and the oil pool cavity is communicated with the rotating base part. The oil cylinder cavity is radially communicated with an oil outlet; the brake handle piece is rotationally assembled on the rotating base part through a brake handle rotating shaft; the first end of the oil pressure driving part is movably assembled in the oil cylinder cavity, and the second end of the oil pressure driving part is movably connected with the brake handle part, so that brake oil in the oil cylinder cavity is driven to be output to the oil outlet when the brake handle part moves; and the oil pressure balancing piece is arranged in the oil pool cavity so as to supplement brake oil into the oil cylinder cavity during brake action and balance brake oil pressure. According to the utility model, the piston body is movably assembled in the oil pool cavity and is matched with the brake handle pump body, so that the oil pressure self-balance of oil in a brake system is effectively realized, and the stable brake effect of an oil pressure disc brake is optimized.

A disc brake caliper is provided for a human-powered vehicle. The disc brake caliper basically includes a hydraulic caliper body and a first hydraulic piston. The hydraulic caliper body includes a first cylinder and a first attachment portion configured to couple a mechanical caliper body being configured to be operated by a cable. The first hydraulic piston is movably provided in the first cylinder to move a first brake pad into contact with a rotor, the first hydraulic piston being configured to be operated by a hydraulic fluid.

The invention relates to an electric drive unit having an electric machine (EM) with a transmission, which electric machine can be connected to an assembly (300) via a connection (401), wherein the assembly (300) comprises at least one multi-disc brake (303) in each case, which multi-disk brake is arranged concentrically about axle side shafts (301), in a housing (25), wherein at least one brake piston (3) can be actuated hydraulically or electrically and moves axially parallel to the axle side shafts (301) in a part of the housing (25) against movable discs (12), and wherein cooling oil of the electric machine (EM) is applied to the housing (25) and the multi-disc brakes (303).

Recess and protrusion features on a brake pad backing plate and an air disc brake tappet create a unique interface that keys the backing plate for use with the tappet. If the backing plate and / or tappet move during braking, the force applied by the protrusion of the tappet against the inner wall of the recess, or vice versa, can cause stress or damage to the backing plate, tappet, and / or other parts of the braking system. To accommodate such movement, the inner dimensions of the recess can be made greater than the outer dimensions of the protrusion. In one embodiment, the minimum dimensions of the recess are determined from a stack-up of tolerances of various components in the braking system. In another embodiment, maximum dimensions of the recess are determined to avoid overlapping step-down transitions in the backing plate and tappet during braking.

The invention concerns a Brake carrier (10) for disc brake arrangement (11), the disc brake arrangement (11) having brake pads (24) that are displaceable relative to a brake disc (100), wherein the brake carrier (10) is configured to support the brake pads (24) during their displacement; wherein the brake carrier (10) comprises at least a first portion (14) that is arrangeable on a first side (13) of the brake disc (100), a second portion (16) that that is arrangeable on a second side (15) of the brake disc (100) and two connecting portions (18, 20) each connecting the first and second portions (14, 16); wherein at least one of the connecting portions (18, 20) comprises an air channel (12) having a first end (34) that is arranged so as to face towards the brake disc (100). Also disclosed is a disc brake arrangement (11) comprising such a brake carrier (10).

A disk brake includes: a piston, which has a bottomed cylindrical shape, and is configured to press braking members against a braked member; a thrust member configured to thrust the piston through rotation of a rotary member configured to be driven by an electric machine; a rotation stopping member configured to restrict rotation of the thrust member relative to the piston; an engaging portion, which is on an inner side of the piston, and is configured to restrict rotation of the rotation stopping member through engagement; and a fixing member configured to restrict movement of the rotation stopping member in an axial direction relative to the piston.

The invention discloses an automobile brake disc brake surface grinding machining device, and relates to the technical field of automobile brake disc machining, the automobile brake disc brake surface grinding machining device comprises a supporting shaft, the top of the supporting shaft is connected with a machining part in a clamped mode, one side of the supporting shaft is slidably connected with a sliding block, the top of the sliding block is fixedly connected with a supporting column, and the two ends of the supporting column are symmetrically and fixedly connected with two end plates; the supporting column is sleeved with a lifting sleeve, and the two ends of the lifting sleeve are symmetrically and fixedly connected with mounting plates. Supporting discs are rotationally connected to one sides of the mounting plates, the supporting discs are oppositely arranged, bases are fixedly connected into the supporting discs, and a lifting plate is rotationally connected between the bases; a mounting disc is placed in the supporting disc, one face of the mounting disc is fixedly connected with a grinding wheel, the other face of the mounting disc is fixedly connected with lifting teeth, and the lifting teeth abut against the corresponding lifting plates. The device has the advantages that the height of the grinding wheel can be adjusted in real time according to the abrasion condition of the grinding wheel, sufficient contact pressure is given to the automobile brake disc, and grinding efficiency and quality are guaranteed.

The utility model relates to the field of machinery, and discloses an electric vehicle disc brake pump turnover device which comprises a walking machine frame, a support is arranged on the machine frame, and a plurality of disc brake fixing pieces are arranged on the support. The disc brake fixing piece is used for being inserted into a handle connecting ring of the disc brake upper pump, or sleeved on the outer wall of a pump body of the disc brake upper pump, or sleeved on the outer wall of an oil pipe connector pipe of the pump body of the disc brake upper pump; when the disc brake fixing piece is connected with the handle connecting ring, the support provides a supporting face for the pump body. When the disc brake fixing piece is connected with the outer wall of the pump body or the outer wall of the oil pipe connector pipe, the support provides a supporting face for the handle connecting ring. According to the circulating device, workers can count the number conveniently, and scratches caused by collision between the electric vehicle disc brake pumps are avoided.

A disc brake system includes a carrier and a brake pad having a backing plate and a friction material supported by the backing plate. The backing plate and friction material are configured so as to minimize any possible interference with the caliper housing, while maximizing the strength and durability of the brake pad. A method of actuating a disc brake system is also provided.