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34results about How to "Uniform braking force" patented technology

Bidirectional compression type shoe gap adjuster

The invention discloses a bidirectional compression type shoe gap adjuster, comprising a coupling head, a first cylinder, a second cylinder, a third cylinder and a hollow end cover which are connected in sequence; an adjusting nut is arranged inside the second cylinder, and a pull rod is arranged inside the first cylinder; a screw rod penetrates through the first cylinder, the second cylinder and the third cylinder; a first spring is sheathed on the pull rod, and a second spring is sheathed on the screw rod; one end of a operating lever is hinged on the coupling head, the lever body thereof penetrates through a lateral through hole of the coupling head and a transverse through hole of the pull rod simultaneously, and the other end of the operating lever is connected with a control lever through a control lever mounting hole. Besides, the control lever is used for adjusting the magnitude of force applied by first spring and the second spring on the adjusting nut; acted by the bidirectional force applied by the two springs, the adjusting nut moves between the first cylinder and the second cylinder and engages with or disengages from the two springs. The bidirectional compression type shoe gap adjuster is suitable for rail wagon brake devices, has a simple structure, and can adjust shoe gap automatically and precisely so as to provide even brake force for rail vehicles.
Owner:CRRC YANGTZE CO LTD +1

Electric brake

PendingCN107542817ATimely detection and adjustment of eccentric wear and other conditionsStable braking force outputAxially engaging brakesBrake actuating mechanismsElectricityBrake lining
The invention provides an electric brake and belongs to the technical field of vehicle braking. By adopting the electric brake, the problem that an existing electric brake is poor in braking effect issolved. The electric brake comprises a drive device, a brake lining, a brake disc and a first push rod arranged between the drive device and the brake lining. A second push rod is further arranged between the drive device and the brake lining. The first push rod and the second push rod are in transmission connection with the drive device, and can be driven by the drive device so as to drive the brake lining to abut against the brake disc. The electric brake further comprises two pressure sensors and a controller. The two pressure sensors can detect the amplitudes of braking force applied to the brake lining by the first push rod and the second push rod correspondingly, and send information of the braking force to the controller. The controller can receive the information of the braking force of the pressure sensors and controls driving force output by the drive device. The electric brake has the advantage of good braking effect.
Owner:LONGZHONG HLDG GRP

Apparatus for braking and linking convex and concave

The invention relates to a rough-surface braking and linkage device and belongs to a power transmission device for machinery power, in particular to the braking or linkage device of machinery. The device consists of two working parts which are mutually separated; and the working surfaces of the two working parts are arranged opposite to each other. One working surface is provided with curved surfaces that are spaced in convex and concave arrangement; and the other working surface is provided with a roller. And a base of the working surface is connected with a telescopic pressure-cylinder push rod which is in a same axial direction with a rotary part. The invention has the advantages of simple structure, no wearing, no heating on the combined surface when braking or linkage and large transmission moment.
Owner:赵容冰

Mute trundle with a brake structure

The invention discloses a mute trundle with a brake structure. The mute trundle comprises a trundle frame body, a trundle body is installed on the trundle frame body, a brake ring is arranged on the side wall of the trundle body, a plurality of swing assemblies are evenly distributed on the trundle frame body around the circle center of the brake ring, and elastic mechanisms are arranged on the swing assemblies. A brake pad is mounted on the elastic mechanism, a ring body mounting seat is arranged on the wheel carrier body, a rotating ring is mounted on the ring body mounting seat, a first hinge end is arranged on one side of each swing assembly, and a plurality of second hinge ends with the same number as the swing assemblies are evenly distributed on the rotating ring around the center circumference of the rotating ring. By means of the structure, braking stress of the trundle can be even, damage caused by too large stress of part of the trundle is prevented, meanwhile, remote control of the power mechanism can be controlled, rapid braking can be achieved in emergency situations, noise generated between the brake pad and the brake ring is reduced after braking, noise pollution is reduced, and troubles to people are reduced.
Owner:中山市唯信脚轮制造有限公司

Braker for shuttle of tubular knitting machine

A brake for the shuttle of circular loom is composed of base, axle fixed to base, spring installed to axle, supporter and dual-surface ox leather fixed to the top end of said supporter. Its advantages are convenient exchange and high braking effect.
Owner:新昌县宝妮纺织服饰有限公司

Vent valve type exhaust brake system

The invention relates to a vent valve type exhaust brake system. A throttle valve (6) is arranged in a vent valve sleeve (7) and sleeved with a vent valve reset spring (9) and an adjusting cap (10), the vent valve reset spring (9) and the adjusting cap (10) are installed in a brake valve end cover (11), and a hollow spherical connector (8) is installed between the brake valve end cover (11) and the vent valve sleeve (7) in a sleeved mode and sealed by a sealing gasket (12); an ECU (4) is connected with a drive valve (5), the drive valve (5) is connected with a control device (13) on a brake assembly (2), and the vent valve sleeve (7) on the brake assembly (2) is connected with an air cylinder cover (3). The vent valve type exhaust brake system is uniform in brake force, brake performance of the vent valve type exhaust brake system is the same as the brake performance of an engine vent valve, damage to an engine is not caused, and the vent valve type exhaust brake system is compact in structure and easy to achieve.
Owner:CHINA NORTH ENGINE INST TIANJIN

Relay valve for steering axle of towing vehicle

InactiveCN103963769AShorter braking distanceSolve problems such as excessive braking forceApplication and release valvesRelay valveEngineering
The invention relates to a relay valve for a steering axle of a towing vehicle. The relay valve comprises a main valve, wherein the main valve comprises an upper casing, a lower casing, a main valve rod, a main valve membrane assembly and an air valve assembly. A boosting piston is arranged at the upper portion of the main valve rod, and three working chambers allowing pressure regulation air to flow through are formed in the upper casing. Corresponding to the structure, a control valve of a towed vehicle comprises a pressure stabilizing and regulating device and a boosting device. When the relay valve is arranged on the towing vehicle, normal regulation is performed on brake of the front steering axle, the output brake pressure is adjustable within the range from 0.10MPa to 0.80MPa, therefore, when the front steering axle performs brake, brake force is generated, and effective brake is performed on back slide. The brake distance of the whole vehicle is shortened by more than ten percent, the brake force is balanced, the vehicle slows down quickly, the traffic safety factor is increased, and accidents are reduced.
Owner:山东康健汽车科技股份有限公司

Integrated adjustable locking wire pulling device

The invention relates to the field of power transmission and distribution facilities, in particular to an integrated adjustable locking wire pulling device. The integrated adjustable locking wire pulling device comprises a base and a winding roller rotationally matched on the base; a first connecting part used for being detachably connected with the ground is assembled on the base; a rope is wound around the winding roller, a second connecting part is installed at the outer end of the rope, the second connecting part is used for being detachably connected with a to-be-installed part on an electric pole / iron tower, and the height of the to-be-installed part on the electric pole / iron tower is larger than the height of the installation position of the first connecting part and the ground; and the integrated adjustable locking wire pulling device further comprises a brake assembly, and the brake assembly is used for locking and unlocking rotation of the winding roller in the rope unwinding direction. By the adoption of the scheme, the length of a temporary stay wire can be conveniently adjusted so as to meet the requirements for stay wires with different lengths in the construction process, and due to the fact that the integrated adjustable locking wire pulling device can be detachably connected with the ground and the electric pole / iron tower, recycling of the integrated adjustable locking wire pulling device is facilitated.
Owner:国网安徽省电力有限公司枞阳县供电公司 +1

Self-adjusting drum brake

The invention relates to the technical field of braking equipment, and discloses a self-adjusting drum brake comprising a braking base plate assembled on an automobile chassis, two brake shoes symmetrically mounted on the base plate, brake pads assembled on the outer sides of the brake shoes, a brake drum assembled on an automobile hub, a parking lever hinged to the corresponding brake shoe, and aparking pull wire connected with the parking lever. Connecting blocks are connected to the inner sides of the two brake shoes. The displacement of a positioning sliding block changes the angle of adjusting arms so that supporting arms expands the brake shoes on the two sides, and thus adjustment of fit clearance is completed. The force strength is high, slipping is avoided, thus the adjustment sensitivity of the fit clearance is improved to enable the fit clearance value to be maintained within the optimal reasonable range, so that the braking performance of an automobile is kept in the bestcondition, the braking performance of the automobile equipped with the self-adjusting drum brake is maintained within the optimal range all the time while driving safety is improved, it is ensured that hub braking force on the two sides is balanced during high-speed emergency braking of the automobile, and accordingly braking safety of the automobile is improved.
Owner:东阳市鑫联工业设计有限公司

Steel ladle turret

The invention discloses a steel ladle turret, and aims at providing metallurgical industry steel making continuous casting equipment. The steel ladle turret has the functions a steel ladle is automatically rotated, lifted and weighed, and heat insulating covers are automatically added to the steel ladle. The steel ladle turret is provided with a rotating supporting device, a lifting device and a heat insulating cover device. In the technical scheme, in the rotating supporting device, three rolling body assemblies are adopted for supporting a supporting gear ring inner hole and the end face thereof, and the capacity of bearing overturning moment is high; and the lifting device is provided with a parallelogram connecting rod structure, the steel ladle can be always kept in a vertical state in the lifting process, and a double-transmission-box device is adopted for providing power for rotation of the two heat insulating covers in a centralized manner. By the adoption of the technical scheme, the steel ladle can be stably rotated, the braking efficiency is high, the braking reliability is good, the overturning torque resistant load is large, damage of reverse impact movement to a transmission chain can be effectively overcome, the steel ladle is stably lifted, the lifting position is accurate and controllable, impact of a weighing device is low, cover adding and removing actions ofthe steel ladle are reliable, the steel ladle is rotated and positioned accurately, and the structure is compact.
Owner:KUNMING UNIV

Winch drum brake device

The invention relates to a winch drum brake device, and belongs to the technical field of winch braking. The winch drum brake device comprises a front fixed support and a rear fixed support, wherein arotating shaft is arranged between the two fixed supports through a bearing; a wheel-shaped winch drum is fixed on the rotating shaft through a positioning key; a large gear ring is fixed on the rearside of an outer ring of the winch drum through a plurality of transverse bolts; a friction drum tightly attached to the large gear ring is fixed on the front side of the outer ring of the winch drumthrough a plurality of longitudinal bolts; horizontal outward brake cylinders are fixed on the left and right sides of the fixed support on the front side; and arc brake shoes matched with the innerring surface of the winch drum are fixed at the end parts of piston rods of the brake oil cylinders. The braking device is designed in a symmetrical arrangement mode of double braking oil cylinders, and is directly braked on the winch drum, the braking force acts on the source needing braking, the brake torque is large, the safety factor is high, the brake effect is good, the brake force is symmetrical and uniform, no impact is caused to the whole machine, the winch drum does not need special manufacture, the cost is low, the occupied space is small, the installation is convenient, and the useis convenient.
Owner:山东世纪矿山机电有限公司 +2

Actuator

For the yarn that is prone to falling off, the falling off can be released, so that the braking force can be reliably applied to the yarn. The braking surface of at least one of the brake main body and the brake pad of the brake device includes the top surface of the plurality of protrusions formed on at least one of the brake main body and the brake pad. The convex portion extends in a direction transverse to the running direction of the yarn, and at least one is formed on one of the upstream side and the downstream side of the above-mentioned running direction from the center of the brake main body or the brake plate, and a plurality of them are formed on the other side. .
Owner:TSUDAKOMA KOGYO KK

Water turbine air brake braking air pressure control self-checking device and method

The invention discloses water turbine air brake braking air pressure control self-checking device and a method. The device comprises an air brake, an air pressure mechanism and a contact mechanism, the air pressure mechanism is arranged in a working piston of the air brake, the contact mechanism is arranged outside the working piston, and pressure air enters a cylinder body to drive a balance weight piston of the air pressure mechanism to move upwards; and a strong magnet and a moving contact of the contact mechanism are magnetically attracted, the moving contact and a static contact are in contact to be closed or disconnected and separated to detect whether the air brake leaks air or not, and a specific node of the air brake for braking a water turbine rotor is controlled. According to the device, the problems of failure caused by uneven stress and air leakage of the air brake in the shutdown braking process of an original hydraulic turbine set and incapability of discriminating the failed air brake in the braking process are solved, and the device has the advantages of simple structure, air leakage detection of the air brake before braking, balanced braking stress, discrimination of the air leakage air brake, avoidance of failure of the air brake, and simplicity and convenience in operation.
Owner:HUBEI QINGJIANG HYDROPOWER DEV

Brake assembly suitable for hub motor

The invention discloses a brake assembly suitable for a hub motor. The brake assembly is characterized by comprising an inner buckle type annular brake disc, opposite calipers and a hub motor shell, wherein the inner buckle type annular brake disc is provided with an inner brake disc body, an outer brake disc body and a connecting arm, the radial outer end of the inner brake disc body and the radial outer end of the outer brake disc body are connected through the connecting arm, the hub motor shell is connected with the outer brake disc body, the opposite calipers extend inwards in the radialdirection to form lugs used for being connected with a chassis component, the opposite calipers comprise a first caliper body and a second caliper body, the first caliper body is arranged on the innerside of the inner brake disc body, the second caliper body is arranged in a cavity between the inner brake disc body and the outer brake disc body, the first caliper body is provided with a first piston and a first friction plate, the second caliper body is provided with a second piston and a second friction plate, the first piston and the second piston are oppositely distributed on the inner side and the outer side of the inner brake disc body, and the second friction plate and the first friction plate cooperate with each other to clamp the inner brake disc body for braking, so that the stability of an opposite caliper assembly in the dynamic operation and braking process is kept.
Owner:ZHEJIANG LIBANG HEXIN INTELLIGENT BRAKING SYST CO LTD

Magnetic force distributed self-detection motor brake and motor thereof

The invention discloses a magnetic force distributed self-detection motor brake and a motor thereof. The brake is characterized in that a main machine of the brake is arranged in a brake main machinebase, a movable armature disc is connected with a brake disc, a brake friction ring is arranged on the side, located on the movable armature disc, of the brake disc, a brake host end cover is arrangedon the other side of the brake disc, a brake disc base of the brake disc is provided with a position sensor used for detecting the position of the movable armature disc, a plurality of coil windingsare evenly distributed in the brake main machine base in the radial direction, the coil windings are connected with corresponding brake force springs respectively, and the movable armature disc is driven by the brake force springs. The brake has characteristics of uniform distribution of brake unlocking force, strong robustness and high reliability, has advantages of low power consumption and highbrake force, and can perform self-detection judgment of a working state of the brake in the use process.
Owner:西安西微智能科技有限公司

A ladle turntable

The invention discloses a ladle rotary table, aiming to provide a steelmaking continuous casting equipment in the metallurgical industry. The invention has the functions of automatically rotating, lifting, adding a heat preservation cover, and weighing the ladle; the invention is provided with a rotary support device , lifting device, and heat preservation cover device. In the technical solution of the present invention, the slewing support device uses three rolling element assemblies to provide support for the inner hole of the supporting ring gear and its end face, and has a large ability to withstand the tilting moment. The lifting device is provided with a parallelogram The connecting rod structure can keep the ladle in a vertical state during the lifting process, and the double transmission box device is used to provide power for the rotation of the two heat preservation covers; the technical scheme of the invention can make the ladle rotate smoothly and the braking efficiency is high And the braking reliability is good, the anti-tipping moment load is large, which can effectively overcome the damage to the transmission chain caused by the reverse impact movement, the ladle lifting action is stable and the lifting position is accurate and controllable, the impact of the weighing device is small, and the ladle is covered and moved Reliable action and accurate rotary positioning, compact structure.
Owner:KUNMING UNIV

A brake assembly suitable for hub motors

The invention discloses a brake assembly suitable for hub motors, which is characterized in that it includes an inner buckle annular brake disc, a facing caliper and a hub motor housing, and the inner buckle annular brake disc has an inner brake The rotor, the outer brake disc and the connecting arm, the radially outer end of the inner brake disc and the radially outer end of the outer brake disc are connected through the connecting arm, the hub motor shell is connected with the outer brake disc, and the diameter of the opposing caliper There are lugs extending inward for connection with chassis components. The opposing caliper includes a first caliper body and a second caliper body. The first caliper body is arranged inside the inner brake disc, and the second caliper body is arranged on the inner brake disc In the cavity between the disc and the outer brake disc, the first caliper body is provided with the first piston and the first friction plate, the second caliper body is provided with the second piston and the second friction plate, the first piston and the second piston Opposed to the inner and outer sides of the inner brake disc, the second friction plate and the first friction plate cooperate with each other to clamp the inner brake disc for braking, maintaining the stability of the opposing caliper assembly during dynamic operation and braking .
Owner:ZHEJIANG LIBANG HEXIN INTELLIGENT BRAKING SYST CO LTD

Elevator safety tongs with high safety performance

The invention provides a pair of elevator safety tongs with a high safety performance. The pair of elevator safety tongs with the high safety performance comprises a tong seat, a U-shaped spring arranged in the tong seat, two groups of oscillating type clamping mechanisms symmetrically arranged in the U-shaped spring, and a lifting mechanism connected onto the two groups of oscillating type clamping mechanisms. An opening for an elevator guide rail to pass through between the two groups of oscillating type clamping mechanisms is formed in the tong seat; and the two groups of oscillating type clamping mechanisms provides an inward pressing force through the U-shaped ring. According to the pair of elevator safety tongs with the high safety performance provided by the invention, a structure that the two groups of oscillating type clamping mechanisms are symmetrically arranged in the tong seat is adopted, so that when major failures such as overspeed and rope breakage occur on an elevator,clamping blocks of the oscillating type clamping mechanisms oscillate upwards relative to guiding blocks so as to clamp the elevator guide rail, the problem that wear is easy to cause due to direct sliding contact of the guiding blocks and wedge-shaped blocks in the prior art is effectively solved, the service life is long, a braking force is transferred to the clamping blocks through oscillatingarms arranged reasonably so as to be effectively ensured to be balanced, clamping surfaces always tightly fit to an outer side surface of the elevator guide rail, and a braking effect is good.
Owner:广东精创机械制造有限公司

Truck with emergency braking device

The invention relates to the technical field of braking equipment, and discloses a truck with an emergency braking device, the truck comprises a truck body, a cargo box is arranged on the upper end surface of the truck body, a first hydraulic rod is hinged to the truck body, the first hydraulic rod is fixedly connected with an L-shaped connecting hook, and the connecting hook is connected with the cargo box. After the truck with the emergency braking device is triggered, constant auxiliary braking force can be generated, the braking effect is enhanced, particularly when the truck is used in cooperation with an automobile brake, the braking frequency of the brake can be effectively reduced, the braking capacity of the brake can be guaranteed, under the emergency condition, the device and the automobile brake are used at the same time, the braking distance is reduced, and the driving safety is improved; and secondly, during emergency braking, the device is triggered, the truck is braked under the preset maximum braking force, the fixing firmness of the large-mass object is guaranteed, the moving speed of the large-mass object when the large-mass object breaks away from the fixing is reduced due to inclination of the container, and the escape time of the driver is prolonged.
Owner:周玲

Hydraulic floating power balance brake

The invention discloses a hydraulic floating power balance brake. The hydraulic floating power balance brake comprises a brake drum, a brake bottom plate, a hydraulic sub-pump and a brake shoe, wherein the brake shoe and the hydraulic sub-pump are arranged in the brake drum, and the brake shoe is arranged along the inner side of the brake drum; the hydraulic sub-pump and the brake shoe are arranged on the brake bottom plate, and the brake shoe is provided with a friction plate; the hydraulic floating power balance brake further comprises a power balance mechanism, and the power balance mechanism and the hydraulic sub-pump are symmetrically arranged on the brake bottom plate; and one end of the brake shoe is connected with the hydraulic sub-pump, and the other end of the brake shoe is connected with the power balance mechanism. Through design of the power balance mechanism and combination of the power balance mechanism with hydraulic power transmission advantages, hydraulic power balance braking is achieved, the braking performance of the vehicle brake is greatly improved, the application range of the hydraulic brake is extended, and the hydraulic floating power balance brake is simple in structure, economical, practical and high in application and popularization value.
Owner:于本林

A self-adjusting drum brake

The invention relates to the technical field of braking equipment, and discloses a self-adjusting drum brake comprising a braking base plate assembled on an automobile chassis, two brake shoes symmetrically mounted on the base plate, brake pads assembled on the outer sides of the brake shoes, a brake drum assembled on an automobile hub, a parking lever hinged to the corresponding brake shoe, and aparking pull wire connected with the parking lever. Connecting blocks are connected to the inner sides of the two brake shoes. The displacement of a positioning sliding block changes the angle of adjusting arms so that supporting arms expands the brake shoes on the two sides, and thus adjustment of fit clearance is completed. The force strength is high, slipping is avoided, thus the adjustment sensitivity of the fit clearance is improved to enable the fit clearance value to be maintained within the optimal reasonable range, so that the braking performance of an automobile is kept in the bestcondition, the braking performance of the automobile equipped with the self-adjusting drum brake is maintained within the optimal range all the time while driving safety is improved, it is ensured that hub braking force on the two sides is balanced during high-speed emergency braking of the automobile, and accordingly braking safety of the automobile is improved.
Owner:东阳市鑫联工业设计有限公司

Rotary table braking device

The invention discloses a tight braking device of a rotating workbench. The device is characterized by comprising upper press plates and lower press plates, wherein the upper press plates and the lower press plates are oppositely arranged, and tight braking rings are arranged in gaps between the upper press plates and the lower pressing plates. Each upper press plate comprises an upper press plate elastic device and an upper press plate pushing device, the upper press plate elastic device is arranged on the bottom face of the upper press plate, and the upper press plate pushing device can push the upper press plate elastic device to deform. Each lower press plate comprises a lower press plate elastic device and a lower press plate pushing device, the lower press plate elastic device is arranged on the top face of the lower press plate, and the lower press plate pushing device can push the lower press plate elastic device to deform. The upper elastic devices and the lower elastic devices are simultaneously pushed by the upper pushing devices and the lower pushing devices, pressing devices of the tight braking device are arranged between the upper elastic devices and the lower elastic devices, the tight braking rings fixedly connected with a rotary table of the workbench have no influences on rotating accuracy of the workbench, and the rigid requirement for the workbench is also lowered. The tight braking device of the rotating workbench is convenient to detach and adjust, long in service life and low in cost.
Owner:SHENJI GRP KUNMING MACHINE TOOL

Disc brake and vehicle

The invention relates to a disc brake and a vehicle. The brake comprises a brake caliper body, a first brake block, a brake disc, a motor, a lead screw mechanism, a cross arm, a first piston and a second piston, wherein the cross arm can axially move and is fixed in the brake caliper body; the lead screw mechanism comprises a lead screw and a nut; the nut is fixed to the cross arm; one end of thelead screw extends into the brake caliper body and is in threaded fit with the nut; the first piston and the second piston are symmetrically arranged on the side, away from the nut, of the cross arm with respect to the central axis of the first brake block; and the motor is used for driving the lead screw to rotate, so that the nut pushes the cross arm to move in the axial direction of the lead screw, and the first piston and the second piston jointly push the first brake block to move so as to press the brake disc. According to the technical scheme, the first piston and the second piston jointly push the first brake block, so that the first brake block is uniform in stress distribution and can be in uniform contact with the brake disc, the brake stability is improved, and rapid abrasion of the first brake block can be prevented.
Owner:BYD CO LTD

Casing brake assembly

The present invention relates to a casing brake assembly for applying a frictional force to a tubular or bag-shaped packaging casing being arranged on a filling tube of an apparatus for filling and closing said tubular or bag-shaped packaging casing, like a clipping machine, for limiting the movement of said tubular or bag-shaped packaging casing at least while being filled, the filling tube has a longitudinal axis. The casing brake assembly comprises at least one braking body which is reversibly movable between a release position, in which the braking body is at least partially moved away from the filling tube and a brake position in which the braking body at least approximately completely surrounds the filling tube, and which comprises at least two free ends. The casing brake assembly further comprises at least two support elements for supporting and reversibly moving the at least one braking body.
Owner:POLY CLIP SYST
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