94results about "Braking members" patented technology

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 application discloses a brake device and brake method capable of realizing butt joint at any angle, relates to the field of vane shaft braking, and comprises a shaft sleeve for being connected with a vane shaft and a brake part; a butt joint sliding part is slidably connected to the shaft sleeve through a sliding cavity; a reset part is arranged between the sliding part and the bottom of the sliding cavity; the sliding part is provided with a butt joint head which can be inserted into a butt joint groove arranged on the brake part to realize the connection between the shaft sleeve and the brake part; the brake part is provided with a sliding cylinder which can be close to or away from the shaft sleeve; the sliding cylinder is provided with an annular cavity and a central hole, a rotating shaft is rotatably arranged in the central hole, and the butt joint groove is arranged on the rotating shaft; a friction cylinder is arranged in the annular cavity; and an elastic belt is arranged between the friction cylinder and the rotating shaft. The application can effectively avoid the interference of the joint and ensure effective butt joint regardless of whether the angle of the butt joint head is matched or not, and can effectively reduce the damage of the vane shaft and the vane.

The utility model discloses an electromagnetic brake and drive assembly sealed with motor cooperation, and the electromagnetic brake includes the casing of one side open structure, and the casing open side is provided with the apron, and the casing is provided with armature and friction plate with apron, its characterized in that, the side of apron away from the casing is suitable for with motor cooperation, and the edge area of the side of apron away from the casing extends first flanging, and the end face of first flanging is suitable for with motor pressure, and the inner periphery of first flanging is provided with first sealing washer, wherein, the height of first sealing washer is greater than the height of first flanging. Thus, the first flanging and corresponding first sealing washer are arranged in the apron area of electromagnetic brake and motor cooperation, to seal the gap existing between the apron and motor end face. In this way, the output shaft of motor through to the first center hole of electromagnetic brake area is sealed in, can effectively prevent liquid or dust etc. from first center hole, keeps good sealing effect.

A disc brake for a commercial vehicle, comprising a brake caliper (1) extending over a brake disc, two brake pads (2) arranged therein, movable in opposite directions towards the brake disc, each having a pad carrier plate (3) and a friction lining (4) attached thereto, which are arranged under preload by pad retaining springs (8) formed from a spring wire in a pad recess (9) of a vehicle-side brake carrier (5) limited in the direction of rotation of the brake disc by brake carrier horns (6), is designed such that each pad retaining spring (8) has two legs (10, 12) in the same direction, connected at their ends by an axially twisted torsion section (13), the free ends of which are directed in opposite directions towards each other and angled apart from each other to form a plug element (11), both of which are attached to the associated pad carrier plate (3) or the brake carrier (5),while the torsion section (13) is supported on a component that is relatively radially movable, the plug-in elements (11) are offset from each other at a predetermined angle in the direction of rotation of the torsion section (13) before assembly when the torsion section (13) is relaxed.

The utility model relates to the technical field of brake, concretely is a kind of fastening structure for efficient brake, including speed reducer and brake body, and the fastening assembly of the clamping fixed speed reducer and brake by the way of bolted connection;Fastening assembly includes bolt, nut, limiting column, limiting disc, limiting disc is fixed in the side of nut towards brake, bolt is rotatably connected with limiting disc, the multiple limiting holes that limiting disc is opened, limiting column is fixed on brake, limiting hole can be slidably connected with limiting column, nut is limited rotation by limiting disc, by bolt rotation makes bolt and nut thread connection clamping fixed speed reducer and brake.The utility model is inserted into the limiting hole of limiting disc on the limiting column on brake, forms circumferential limit, ensure that nut cannot rotate, still can avoid the loosening problem caused by vibration and other factors, installation efficiency is significantly improved, and still can solve the loosening problem caused by vibration and other factors of bolted connection fixation.

Friction unit (100) for a disc brake (300) of a vehicle, comprising: a support plate (1); and a friction lining (2) with a friction material layer (21) having a contact surface (21a) for contacting a disc (310) and a backing layer (22) having an inner surface (22a) oriented opposite to the contact surface (21a) and connected to the carrier plate (1), wherein the underlay layer (22) has at least one slot (3) which is formed in the inner surface (22a) and forms a cavity, wherein the underlay layer (22) has a predetermined thickness (t22), and wherein the at least one slot (3) has a depth (d3) which is less than the thickness (t22) of the underlay layer (22).

Aspects of the present disclosure relate to a skewed roller impeller cage including a metallic ring with radially arranged slots in which rollers are positioned. Impeller shaped channels are defined around a top side of the cage to force fluid to circulate from an outer diameter of the cage to an inner diameter of the cage and vice versa. Cutouts defined at the inner diameter of the cage allow fluid to circulate from the top side of the cage to the bottom side due to centrifugal forces moving the fluid from the inner diameter back to the outer diameter of the cage to allow for continuous circulation of the fluid about the cage.

The application relates to the field of automobile braking technology, and particularly discloses a tension spring used in an automobile braking system, which comprises a tension spring, fixed columns arranged at the two ends of the tension spring, hooks arranged at the two ends of the tension spring and hung on the two fixed columns, the tension spring is installed in a brake drum, two brake shoes are further installed in the brake drum, mounting plates are connected to the brake shoes, connecting plates are arranged at the ends of the two mounting plates which are close to each other, rotating rings are rotatably installed on the connecting plates and sleeved on the spiral part of the tension spring. When the end of the tension spring is broken, the mounting plate can stretch the tension spring through the second telescopic rod, the connecting plate, the first pull ring, the second pull ring, the rotating seat, the prism and the rotating ring, the rotating ring is clamped on the tension spring in the reverse direction, the rotating ring is prevented from being separated from the tension spring, the driver can continue to brake, the driver can continue to brake after the end of the tension spring is broken, the driver can continue to drive to a repair shop for repair, and the situation that the automobile cannot be driven after the tension spring is broken is avoided.

This invention discloses a drum-type working brake device for a passenger transport device, comprising: a brake wheel for braking the passenger transport device; a brake arm assembly for braking or normal operation of the passenger transport device by pressing or releasing the brake wheel; a spring assembly for applying a preset elastic force to the brake arm assembly to press it closed; and an electromagnet assembly that, when energized, overcomes the spring force and moves the brake arm assembly away from the brake wheel; the electromagnet assembly is disposed between the brake wheel and the spring assembly. This invention not only reduces the risk of friction plate contact but also lowers the assembly precision requirements.

Arrangement for a disc brake (1), comprising one or more brake pads (3a, 3b) and a brake disc (2), wherein the at least one brake pad (3a, 3b) has a pad carrier plate (4a, 4b) and a pad body (5a, 5b), wherein the at least one brake pad (3a, 3b) is configured and connected to a compressed air source such that compressed air can be forced through it onto the brake disc (2) in order to release it from the brake disc (2) when the disc brake is released during / after braking, wherein the at least one brake pad (3a, 3b) has at least one first opening (7a, 7b) or several such openings through which compressed air is directed onto the brake disc (2) when the disc brake (1) is released, and wherein the at least one opening (7a, 7b) is designed as a channel (8a, 8b, 12a) which is defined by the pad carrier plate (4a, 4b) and the pad body (5a, 5b) extends through and is connected by a hose ora pipe section is formed which is placed as a separate component on or in the brake pad (3a, 3b), wherein the separate component which forms the channel (8a, 8b, 12a) is made of a material which wears down together with the pad body (5a, 5b) during braking, characterized in that the channel (12a) widens in the direction of application of the brake pad (3a, 3b) in the pad body (5a, 5b) to a cavity (13) which, in conjunction with the brake disc (2) and the pressurization of the channel (12a) or the cavity (13) with compressed air, becomes a chamber of an aerostatic air bearing.

An asbestos free friction material composition and associated brake pad for vehicles including inorganic and / or organic and / or metallic fibers, at least a binder, at least a friction modifier or lubricant, at least a filler or abrasive and at least a soluble salt of barium and / or calcium and / or aluminum and / or silver with percentage between 0.5-10% by weight. Among them barium carbonate, calcium hydroxide, aluminum triacetate and silver acetate are preferably.

The utility model discloses a kind of stability promotion's automobile drum brake pad, including bottom plate, the outer circular surface of the bottom plate is rotatably installed with brake drum, the inner side surface of the brake drum is equipped with long recess, the middle position of one side of the bottom plate is fixedly connected with fixed block, the one side of the fixed block is fixedly connected with connecting rod, one end of the connecting rod is fixedly connected with support rod, the both ends of the support rod are hinged with arc plate by hinging seat, the one side surface of the arc plate is fixedly connected with fixed ring, the one side of the fixed ring is fixedly connected with tension spring, the other side surface of the arc plate is equipped with fixed groove, brake pad is fixedly installed in the inside of the fixed groove, the inside of the brake pad is fixedly embedded with framework plate, the one side surface of the framework plate is fixedly connected with long protrusion, can increase structural strength, can enhance braking effect after surface wear, improve safety stability, facilitate combined use.

This utility model discloses a motorcycle brake shoe with convenient heat dissipation, relating to the field of braking equipment technology. It includes a frame, with a heat dissipation mechanism and a noise reduction mechanism on one side of the frame. The heat dissipation mechanism includes symmetrically arranged positioning blocks connected to the frame. A positioning hole is formed through the top of each positioning block. A cooling pipe is fixedly connected to one side of the frame. Through the heat dissipation and noise reduction mechanisms, this utility model, during use, first uses springs on the fixing blocks to fix the positioning blocks and positioning holes to the wheel axle. Then, coolant is added into the cooling pipe through the inlet pipe, and the nut is manually tightened. When the motorcycle driver brakes, the heat generated by the brake shoe body is absorbed through the cooling pipe. Finally, the cooling pipe reduces the coolant temperature through heat dissipation fins and heat-conducting columns. This device directly removes heat through the flowing coolant, significantly reducing the operating temperature of the brake shoe.

The utility model relates to the technical fields of brake drum especially is concerned with a brake drum with prevent silt from invading structure, when using, the brake bottom plate is fixedly installed on the car beam frame through multiple groups of second through -hole, then brake drum body is fixedly connected with the wheel hub through multiple groups of first through -hole, the clearance of sealing washer subassembly round hole and the wheel hub is sealed, the clearance between brake drum body and brake bottom plate is sealed through dustproof subassembly, when using, brake bottom plate and brake structure fixedly stationary, improve the life, including brake drum body, brake bottom plate, first through -hole, second through -hole and round hole, brake drum body front end is provided with round hole, brake drum body front end periphery is provided with multiple groups of first through -hole, brake bottom plate periphery is provided with multiple groups of second through -hole, still include dustproof subassembly and sealing washer subassembly, brake drum body and brake bottom plate between are provided with dustproof subassembly, round hole inboard is provided with sealing washer subassembly, brake bottom plate front end is provided with brake structure.

The present invention relates to a caliper body (1) in which a screw seat (5) for accommodating a connecting screw (6) extends along a screw seat direction (S-S). The screw seat (5) is surrounded by a screw head support surface (9). The caliper body (1) comprises a pin seat (10) adapted to accommodate pins (11) that support opposing brake pads (4) and enable their sliding. The pin seat (10) extends along a first direction (P-P). The screw head support surface (9) defines a first extension (12) extending along the screw seat direction (S-S). The pin seat (10) defines a second extension (13) extending along the pin seat direction (P-P). The first extension (12) intersects the second extension (13).

This utility model relates to the field of brake shoe assembly technology, specifically disclosing an easy-to-assemble brake shoe assembly, including a brake shoe and two symmetrically distributed friction pads that fit against the outer wall of the brake shoe. Two brake shoe ribs are welded to the lower side of the brake shoe. An assembly mechanism is provided between the brake shoe and the two friction pads. The assembly mechanism includes arc-shaped limiting grooves respectively opened on both sides of the brake shoe; limiting posts simultaneously pass through the first and second limiting holes to form a rigid lock, thereby achieving rapid and precise assembly of the friction pads and brake shoes without specialized equipment, significantly reducing assembly costs and improving operational convenience. The arc-shaped limiting plate can be freely removed along the limiting groove, achieving non-destructive disassembly of the friction pads. This method completely avoids the risk of damage to the brake shoe substrate structure caused by traditional destructive removal, ensures the reusability of core components, significantly reduces maintenance costs, and extends the overall service life of the braking system.

The present application relates to the technical field of household appliances, and particularly provides a movable household appliance, aiming at solving the inconvenience of existing movable and fixed household appliances. To this end, the movable household appliance comprises a chassis, a plurality of wheels arranged on the chassis, and a locking device, at least one wheel is arranged as a sliding wheel, the sliding wheel is arranged to be slidable relative to the chassis, and the sliding wheel has a locking position and a release position; the locking device comprises a locking unit and a driving unit, the locking unit is arranged to lock the sliding wheel, and the driving unit is arranged to drive the sliding wheel to slide between the locking position and the release position. The household appliance of the present application can conveniently realize the movement and fixation of the household appliance through the arrangement of the sliding wheel and the locking device, without the need of additionally configuring a slidable chassis and moving the household appliance.

Guide element (400) for a vehicle disc brake (1000) for arrangement between a brake pad assembly (300, 302) and a brake carrier (200) of the vehicle disc brake (1000), wherein the guide element (400) has a guide section (402) and a receiving section (414), wherein the guide section (402) is designed to guide the brake pad assembly (300, 302) on the brake carrier (200), wherein the receiving section (414) defines a receiving area (AB) for receiving a projection (V) of the brake carrier (200), and wherein the receiving section (414) has at least one centering element (416) projecting into the receiving area (AB), wherein the recording section (414) is formed by a roof surface (412), an intermediate surface (408) and a mounting surface (410), wherein the roof surface (412), the intermediate surface (408) and the mounting surface (410) define the recording area (AB) between them, wherein at least one centering element (416) extends at least substantially perpendicular to the roof surface (412) and the intermediate surface (408) and wherein at least one centering element (416) tapers in a trapezoidal shape towards its end projecting into the receiving area (AB) and thus becomes smaller towards its end.

An electric braking device includes a lever member to which a reaction force of a pressing load of a friction member is input via a rotation part, the lever member extending to an outer side of a projection region that is a region obtained by projecting a linear motion conversion mechanism in a rotational axis direction of the rotation part, and a load sensor configured to detect the reaction force input to the lever member by abutting on a portion of the lever member extending to the outer side of the projection region.

A cable reel brake device with overspeed protection function relates to the technical field of electric power engineering equipment, comprising a fixed installation in the cable brake housing part, a centrifugal trigger part installed on the main shaft of the cable reel, two brake parts installed on the housing part, and a reset part installed on the housing part; the device completes pure mechanical braking through the rotating speed of the cable reel main shaft, without external energy and signals, and can be effectively applied to safe explosion-proof or power-free occasions; the device adopts wedge-shaped force amplification braking, realizes double braking at the same time, avoids sudden stop of the device and damage to the cable, solves the problems of low precision and inability to dynamically adjust of traditional mechanical braking, makes the braking process smoother and controllable; the device adopts manual reset to ensure the working reliability of the device.

The present invention relates to a braking band (2) having opposing braking surfaces (4) and being formed from a first material (37). The braking band (2) comprises at least one braking surface (4) suitable for cooperating with a brake pad and exerting a braking action. The braking band (2) incorporates at least one support structure (3) connected to at least one insert (1) in a second material (38) different from the first material (37). The support structure (3) maintains the precise position of the insert (1) during fabrication. In an unworn brake, at least one surface of the insert (1) or of the composite casting metal portion of the body and of the insert (1) is flush with the outer surface of at least one braking surface (4). The method comprises preparing the support structure (3) with the insert (1), positioning it within the casting mould (31), casting the first material (37), cooling, and mechanical machining to expose the insert (1).

The utility model relates to a connecting piece of butterfly brake seat and butterfly brake hub, which comprises an iron cylindrical bearing sleeve joint part and an iron butterfly brake seat joint part connected with the bearing sleeve joint part, wherein the butterfly brake seat joint part is a protruding structure connected to the top of the bearing sleeve joint part or the outer wall of the bearing sleeve joint part, and a positioning part is arranged on the upper surface of the butterfly brake seat joint part. The utility model solves the problems of high processing cost and large processing tool consumption of the mounting hole of the existing iron butterfly brake hub. It not only balances the price advantage of the iron hub and the high processing cost of the iron hub, but also improves the production efficiency.

This utility model discloses a high-strength aluminum alloy inner disc connection structure, which includes a brake disc body. A first connecting ring is disposed on the inner side of the brake disc body, and a second connecting ring is disposed on the inner side of the first connecting ring. A locking post is disposed between the first and second connecting rings. A first connecting block and a second connecting block are symmetrically disposed on both sides of the locking post. Through this structure, the first and second connecting rings are connected between the brake disc bodies via the first and second connecting blocks. The first and second connecting blocks are connected and locked by the locking post, a limiting cap, a first thread, and a second thread, facilitating quick and easy fastening of the aluminum alloy inner disc.

The utility model relates to the technical field of brake, specifically disclose a kind of anti-damage brake body, including brake main body, brake pressurized disc being installed in brake main body one side, the friction disc being connected with brake pressurized disc, spring seat being opened on brake main body, spring bolt being set in spring seat and piston being installed on brake main body, it is equipped with the backing plate for reducing spring seat end face at the junction of piston and spring seat, the backing plate is circular, and it is equipped with annular projection for fixing backing plate in piston, after spring seat and piston are installed, the spring bolt respectively passes through piston, backing plate and spring seat, the device solves the problem that traditional brake body is in heavy load, strong impact environment for a long time, so that brake body is damaged seriously.

The application discloses a kind of anti-slippage structure between the sound-absorbing layer of electromechanical brake pad and backboard, including inner elastic pusher and outer elastic pusher;The inner elastic pusher one end is fixed in the inner backboard inner screw-in end position, and the other end is fixedly connected with the inner spring piece of corresponding side on mounting bracket, and the inner elastic pusher is in compression state and moves the inner backboard to the inner screw-out end side before braking, so that the inner screw-out end is attached to the inner spring piece of the other side on mounting bracket;The outer elastic pusher one end is fixed in the outer backboard outer screw-in end position, and the other end is fixedly connected with the outer spring piece of corresponding side on mounting bracket, and the outer elastic pusher is in compression state and moves the outer backboard to the outer screw-out end side before braking, so that the outer screw-out end is attached to the outer spring piece of the other side on mounting bracket.It can effectively inhibit the relative slippage between the inner sound-absorbing layer and the inner backboard, and can effectively inhibit the relative slippage between the outer sound-absorbing layer and the outer backboard.

The application discloses a falling brake protection assembly, a brake actuator, a transmission system, an elevator and a conveying system, wherein the falling brake protection assembly is connected with two brake assemblies through a linkage mechanism, the two brake assemblies are driven by a pre-compressed elastic driver, and the elastic driver is elastically driven by releasing the elastic force of the elastic driver through a first rotation-stopping mechanism to prevent the horizontal rotating shaft of the linkage mechanism from rotating in a first rotating direction; the first rotation-stopping mechanism is connected with a brake trigger mechanism; the brake trigger mechanism drives the first rotation-stopping mechanism to release the rotation restriction of the horizontal rotating shaft in the first rotating direction, so that the elastic force of the elastic driver is released to drive the two brake assemblies to move in opposite directions to realize braking; after the horizontal rotating shaft rotates in the first rotating direction, the horizontal rotating shaft is limited from rotating in a second rotating direction through a second rotation-stopping mechanism connected with the horizontal rotating shaft, so that the brake assembly can keep the braking position, effectively realize braking during falling, avoid falling damage and improve the safety of operation.

The brake caliper body is selectively assembled with either of the opposite-side brake caliper half body of a radially mounted vehicle body or the opposite-side brake caliper half body of an axially mounted vehicle body on the vehicle body side brake caliper half body, wherein the vehicle body side brake caliper half body (5), the opposite-side brake caliper half body of the radially mounted vehicle body (6), and the opposite-side brake caliper half body of the axially mounted vehicle body each form a working fluid introduction hole for introducing working fluid into a cylinder hole from a joint surface toward a bottom side of the cylinder hole, the introduction hole formed in the opposite-side brake caliper half body of the radially mounted vehicle body (6) and the introduction hole formed in the opposite-side brake caliper half body of the axially mounted vehicle body each communicate with the introduction hole formed in the vehicle body side brake caliper half body (5) at the joint surface, and either of the opposite-side brake caliper half body of the radially mounted vehicle body (6) or the opposite-side brake caliper half body of the axially mounted vehicle body is selectively assembled with the vehicle body side brake caliper half body (5) via the respective joint surface.

This invention discloses a manual braking device for a tower-type pumping unit, relating to the field of oil extraction technology. Its features include: a pair of supports fixed to a base; two half-shafts respectively mounted on the pair of supports; a rotating arm mounted on the half-shafts rotates upwards to raise a lifting platform; two sets of rotary push rods push two brake blocks inwards to approach each other, completing the braking action; rotating the lifting platform in the opposite direction pulls back the brake blocks along with the two sets of rotary push rods to their original positions; one end of the half-shaft is threaded into the half-shaft threaded hole of the support via a locking thread; the push rod threaded end of the rotary push rod passes through the push rod hole and is fixed to the push rod threaded hole of the brake block; the lifting platform, rotating arm, and half-shaft nut are sequentially mounted on the half-shaft; and both ends of the handle are respectively installed in the handle holes of the two rotating arms. The advantages are: the height position of the counterweight can be controlled by on-site personnel, facilitating the commissioning and maintenance of the pumping unit, especially in cases of belt displacement, breakage, or sucker rod breakage, where manual control of the counterweight prevents safety accidents.