CN216241929U - Electric wheel-side brake - Google Patents
Electric wheel-side brake Download PDFInfo
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- CN216241929U CN216241929U CN202122618473.6U CN202122618473U CN216241929U CN 216241929 U CN216241929 U CN 216241929U CN 202122618473 U CN202122618473 U CN 202122618473U CN 216241929 U CN216241929 U CN 216241929U
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Abstract
The utility model belongs to the technical field of brakes, and relates to an electric wheel brake which comprises an electric thrust device, a base and two brake arms, wherein brake arm mounting grooves are respectively formed in two sides of the base, the middle parts of the two brake arms are respectively and rotatably connected into the brake arm mounting grooves on the corresponding sides through base shafts, the front end of each brake arm is respectively hinged with a brake shoe through a shoe shaft, two position following spring seats are respectively arranged on two sides of the bottom of the base, a position following spring is respectively arranged on each position following spring seat, one end, far away from the position following spring seat, of each position following spring is respectively connected with the shoe arm of the brake shoe on the corresponding side, the electric thrust device is arranged at the rear end of the base, and the rear ends of the two brake arms are respectively and rotatably connected with the fixed end and the telescopic end of the electric thrust device. Compared with the prior art, the device has the advantages of lower manufacturing cost, convenience in processing and maintenance, rapidness in assembly, simple overall structure, capability of realizing low-energy-consumption environment-friendly operation and capability of obviously improving the working stability of the electric wheel side brake.
Description
Technical Field
The utility model belongs to the technical field of brakes, and particularly relates to an electric wheel-side brake.
Background
The electric wheel-side brake is directly driven by electric power and is mainly used for wind prevention of outdoor large and medium-sized cranes and port loading and unloading machinery in a working state and auxiliary wind prevention braking in a non-working state; generally, the brake is only used on a driven wheel and directly brakes, and the braked wheel can be effectively prevented from rolling and displacing under the action of wind power.
The existing electric wheel-side brake usually adopts a specially-made screw rod to realize torque and thrust conversion, has a complex structure, high manufacturing cost, inconvenient processing and maintenance, large assembly difficulty and unstable working performance, and therefore needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an electric wheel brake, which comprises an electric thrust device, a base and two brake arms, wherein two sides of the base are respectively provided with a brake arm installation groove, the middle parts of the two brake arms are respectively rotatably connected in the brake arm installation grooves on the corresponding sides through base shafts, each brake arm is respectively in threaded connection with a back bolt matched with the brake arm installation groove on the corresponding side, the front end of each brake arm is respectively hinged with a brake shoe through a shoe shaft, two following spring seats are respectively arranged on two sides of the bottom of the base, each following spring seat is respectively provided with a following spring, one ends of the two following springs, far away from the following spring seat, are respectively connected with the shoe arms of the brake shoes on the corresponding sides, the following springs are used for ensuring that the shoe surfaces of the two brake shoes are corresponding, so that the shoe surfaces are parallel to the corresponding wheels, the brake shoe is prevented from colliding with the wheel when the brake is opened; the electric thrust device is arranged at the rear end of the base, and the rear ends of the two brake arms are respectively and rotatably connected with the fixed end and the telescopic end of the electric thrust device;
the electric thrust device comprises a speed reducer case, a cam shaft, a hollow cam, a guide assembly and a reset assembly, wherein two ends of the speed reducer case are respectively detachably connected with a speed reducer cover and an end cover, the cam shaft, the hollow cam, the guide assembly and the reset assembly are all arranged in the speed reducer case, a baffle disc is integrally formed on the outer wall of the middle part of the cam shaft, one side of the baffle disc is provided with a driven cam, the other side of the baffle disc is abutted against the reset assembly, the reset assembly is sleeved on the cam shaft in a sliding manner, the outer side of the end cover is provided with a hinged seat, the inner side of the end cover is provided with a guide sleeve, the hinged seat is rotatably connected with a brake arm corresponding to the fixed end of the electric thrust device through a base shaft, the inner diameter of the guide sleeve is matched with the outer diameter of the cam shaft, the cam shaft is axially slidably connected with the guide sleeve through the guide assembly, one end, far away from the baffle disc, of the reset assembly is abutted against the guide sleeve, the hollow cam is rotatably sleeved on the cam shaft and is arranged on the driven cam side of the baffle disc, a driving cam matched with the driven cam is arranged at one end of the hollow cam corresponding to the driven cam, a through hole is formed in the lower end of the speed reducer cover, one end, far away from the driving cam, of the hollow cam is rotatably connected with the through hole wall of the speed reducer cover through a rotary bearing, a fluted disc is arranged on the outer wall of the middle part of the hollow cam, a thrust bearing sleeved on the outer wall of the hollow cam is arranged between the fluted disc and the speed reducer cover, a speed reduction gear set capable of driving the fluted disc to rotate is arranged in the speed reducer case, the input end of the speed reduction gear set is connected with a driving motor with an electric brake through gear shaft transmission, the driving motor is connected to the outside of the speed reducer case, and the driving cam and the driven cam can be driven to be far away from or close to the driven cam through the speed reduction gear set and the reset assembly matched with the driving motor, thereby driving the camshaft to move axially along the through hole; the end, far away from the end cover, of the camshaft is in threaded connection with an adjusting rod, the adjusting rod is connected with a sliding block with an adjustable position in a sliding mode, and the upper end and the lower end of the sliding block are respectively in rotary connection with a brake arm corresponding to the telescopic end of the electric thrust device through a threaded locking shaft.
Preferably, the base includes upper substrate, infrabasal plate that corresponds the setting from top to bottom and corresponds two backup pads of connecting between upper substrate, infrabasal plate, two backup pads parallel arrangement, the front end of upper substrate, infrabasal plate corresponds to be provided with the brake shoe matched with groove of stepping down, this base stable in structure, processing is convenient, and be convenient for with the assembly of this device other parts.
Preferably, the position following spring is a torsion spring, so that the position following spring is simple to manufacture and convenient to install.
Preferably, the speed reducer cover and the end cover are detachably connected with the speed reducer case through bolts respectively, and assembly and maintenance are facilitated.
Preferably, the reset assembly adopts a disc spring set. The disc spring group has the characteristic of bearing large load with small deformation, is suitable for a structure with smaller requirement on axial space, has larger shock absorption capacity than a spiral spring, and is commonly used for a structure with larger load, limited axial size and smaller working stroke. When a larger deformation is needed, a plurality of groups of spring pieces which are matched in a positive and negative way and overlapped can be arranged on the shaft.
Preferably, the direction subassembly is including locating the inboard guide way of uide bushing and can dismantle the direction parallel key of connection in the guide way, the one end that the speed reducer cover was kept away from to the camshaft is equipped with the sliding tray with direction parallel key assorted, direction parallel key and sliding tray sliding connection provide the axial displacement direction to the camshaft through the direction subassembly.
Preferably, the inboard symmetry of uide bushing is provided with two guide ways, every all there is a direction parallel key through bolted connection in the guide way, correspond on the camshaft be equipped with two respectively with two guide parallel key sliding connection's sliding tray, can balance the atress of two direction parallel keys, extension device's life.
The hollow cam and the fluted disc can be fixedly connected after being processed in a split mode and can be processed integrally, preferably, the hollow cam and the fluted disc are of an integrated structure, the processing is convenient, the mechanical strength is high, and the reliability and the long-period use of the device are guaranteed.
Preferably, the adjusting rod is a threaded rod, the adjusting rod is in threaded connection with two locking nuts, the two locking nuts are respectively arranged on two sides of the sliding block, and the position of the sliding block on the adjusting rod is adjusted, so that the braking requirements of wheels with different specifications can be met.
The utility model also comprises other devices or components which can enable the electric wheel-side brake to be normally used, and the devices or components are conventional technical means in the field; in addition, the devices and components which are not limited in the utility model all adopt the conventional technical means in the field, such as a reduction gear set, a driving motor with an electric brake and the like.
The working principle of the utility model is that the device is mainly used for clamping the wheels of the crane, and the wheels can not roll when the crane is subjected to transverse load, so that the sliding friction between the wheels and the guide rail is ensured. Thereby effectively preventing the crane accident from happening. The electric thrust device with a novel structure is arranged, and the compensation stroke is set in the installation and debugging process of equipment, so that the brake block on the brake shoe has rated precompression on the wheel. Under the action of the pre-pressure, the braking effect of the wheel is ensured. When the crane needs to work, the driving motor of the electric thrust device is electrified, the cam shaft is axially retracted into the speed reducer box, the brake arm is opened to work with a back clearance, and the wheels can normally rotate. After the brake arm is opened to a rated back-off distance, the electric brake of the electric thrust device is powered on, so that the rotor of the driving motor is tightly held, the working state is kept, the driving motor of the electric thrust device is powered off, and the brake is kept in the brake-off state with low energy consumption. When emergency or host computer outage appear, the camshaft pops out fast under the effect of dish spring power to make this device press from both sides tight wheel fast, accomplish the band-type brake.
In addition, the device drives the reduction gear set through the driving motor, and can safely and reliably realize thrust conversion of large torque, so that the safety and the stability of wheel edge braking are improved. When the driving motor with the electrified brake works, the driving motor is electrified, the brake is powered off, and the brake is in a disconnected state; when the driving motor is powered off, the brake is powered on to keep a braking state, the cam shaft is prevented from being reset under the reset force of the disc spring group when the driving motor is powered off, and the safety of the device is improved. The device can give in-place signals to the driving motor through the matched travel switch, ensure that the driving motor is powered off after rotating in place, enable the brake to be powered on and keep braking, and realize primary limit; the time limit can be set for the driving motor, and the power supply of the driving motor is cut off when the work reaches the time limit, so that the brake is powered on to keep braking, and secondary limit is realized; the camshaft of this device provides mechanical spacing by the end cover at the in-process that gos forward, runs into the end cover when the camshaft, can't continue the action, thereby the supporting protection device of driving motor is opened automatically to the driving motor electric current is too big and the driving motor outage is made, and then makes the brake get the electricity and keep the braking, realizes tertiary spacing. Through tertiary spacing setting, improvement device job stabilization nature and security that can be very big, electric thrust unit's hollow cam passes through slewing bearing dress and covers at the speed reducer, has the rotational degree of freedom, and the camshaft receives the axial restraint of the direction parallel key in the end cover uide bushing, loses the rotational degree of freedom, only carries out axial displacement's degree of freedom along hollow cam. The fluted disc through hollow cam adds torque for hollow cam, and under the torque effect, hollow cam rotates, promotes the camshaft along axial motion with it complex, thereby turns into axial thrust with the torque of input, and the camshaft provides machinery spacingly by the end cover at the in-process that gos forward, when the end cover is touch to the camshaft, can't continue the action, guarantees that driven cam and initiative cam do not break away from each other when the biggest axial displacement takes place for the camshaft, thereby guarantees that the camshaft realizes reliable flexible action as required. When the electric vehicle works normally, the in-place signal is given through the travel switch, so that the driving motor stops working. Mechanical restraint is the last level of protection and is generally not used.
Compared with the prior art, the device has the advantages of lower manufacturing cost, convenience in processing and maintenance, rapidness in assembly, simple overall structure, low energy consumption and environment-friendly operation, capability of realizing multi-stage limiting protection in the working process, high safety and capability of obviously improving the working stability of the electric wheel brake.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a perspective view of one aspect of the present invention in an embodiment.
Fig. 2 is a perspective view of another perspective of the present invention in an embodiment.
Fig. 3 is a schematic perspective view of a base according to the present invention in the embodiment.
Fig. 4 is a schematic view of the overall structure of the electric thrust device of the present invention in the embodiment.
Fig. 5 is a schematic view of the internal structure of the electric thrust device of the present invention in the embodiment.
Fig. 6 is an exploded view of a portion of the electric thrust device of the present invention in an embodiment.
Fig. 7 is a schematic view of the inner structure of the end cap of the present invention in the embodiment.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
As shown in fig. 1 to 3, the utility model provides an electric wheel brake, which comprises an electric thrust device 1, a base 2 and two brake arms 3, wherein two sides of the base 2 are respectively provided with a brake arm installation groove 4, the middle parts of the two brake arms 3 are respectively rotatably connected in the brake arm installation grooves 4 on the corresponding sides through base shafts 5, each brake arm 3 is respectively in threaded connection with a back bolt 6 matched with the brake arm installation groove 4 on the corresponding side, the front end of each brake arm 3 is respectively hinged with a brake shoe 8 through a shoe shaft 7, two following spring seats 9 are respectively arranged on two sides of the bottom of the base 2, each following spring seat 9 is respectively provided with a torsion spring 10, one end of each torsion spring 10, which is far away from the following spring seat 9, is respectively connected with the shoe arm of the brake shoe 8 on the corresponding side, the torsion spring 10 is used for ensuring that the shoe surfaces of the two brake shoes 8 correspond to each other, the tile surface is parallel to the corresponding wheel, so that the brake shoe 8 is prevented from colliding with the wheel when the brake is opened; the electric thrust device 1 is arranged at the rear end of the base 2, and the rear ends of the two brake arms 3 are respectively and rotatably connected with the fixed end and the telescopic end of the electric thrust device 1;
as shown in fig. 4 to 6, the electric thrust device 1 includes a speed reducer case 101, a cam shaft 102, a hollow cam 103, a guiding component and a disc spring set 104, two ends of the speed reducer case 101 are respectively connected with a speed reducer cover 105 and an end cover 106 through bolts, the cam shaft 102, the hollow cam 103, the guiding component and the disc spring set 104 are all disposed in the speed reducer case 101, a blocking disc 107 is integrally formed on an outer wall of a middle portion of the cam shaft 102, a driven cam 108 is disposed on one side of the blocking disc 107, the other side of the blocking disc 107 is abutted to the disc spring set 104, the disc spring set 104 is slidably sleeved on the cam shaft 102, a hinge base 109 is disposed on an outer side of the end cover 106, a guiding sleeve 110 is disposed on an inner side of the cam shaft, the hinge base 109 is rotatably connected with a brake arm 3 corresponding to a fixed end of the electric thrust device 1 through a base shaft 111, an inner diameter of the guiding sleeve 110 is matched with an outer diameter of the cam shaft 102, and the camshaft 102 is axially and slidably connected with the guide sleeve 110 through the guide assembly, one end of the disc spring assembly 104 far away from the blocking disc 107 is abutted against the guide sleeve 110, the hollow cam 103 is rotatably sleeved on the camshaft 102 and is arranged at the side of the driven cam 108 of the blocking disc 107, one end of the hollow cam 103 corresponding to the driven cam 108 is provided with a driving cam 112 matched with the driven cam 108, the lower end of the speed reducer cover 105 is provided with a through hole, one end of the hollow cam 103 far away from the driving cam 112 is rotatably connected with the through hole wall of the speed reducer cover 105 through a rotary bearing 113, a fluted disc 114 is arranged on the outer wall of the middle part of the hollow cam 103, a thrust bearing 115 sleeved on the outer wall of the hollow cam 103 is arranged between the fluted disc 114 and the speed reducer cover 105, a speed reducing gear set 116 capable of driving the fluted disc 114 to rotate is arranged in the speed reducer case 105, and the input end of the speed reducing gear set 116 is in transmission connection with a driving motor 118 with a power-on brake through a gear shaft 117, the driving motor 118 is connected to the outside of the reduction case 101, and the driving motor 118, together with the reduction gear set 116 and the disc spring set 104, can drive the driving cam 112 and the driven cam 108 to move away from or close to each other, thereby driving the cam shaft 102 to move axially along the through hole; an adjusting rod 119 is connected to one end, far away from the end cover 106, of the cam shaft 102 through threads, a sliding block 120 with an adjustable position is connected to the adjusting rod 119 in a sliding manner, and the upper end and the lower end of the sliding block 120 are respectively connected with the brake arm 3 corresponding to the telescopic end of the electric thrust device 1 through a thread locking shaft 121 in a rotating manner.
As shown in fig. 3, the base 2 includes an upper substrate 201 and a lower substrate 202 which are correspondingly arranged up and down, and two supporting plates 203 correspondingly connected between the upper substrate 201 and the lower substrate 202, the two supporting plates 203 are arranged in parallel, the front ends of the upper substrate 201 and the lower substrate 202 are correspondingly provided with a yielding groove 204 matched with the brake shoe 8, and the base 2 has a stable structure and is convenient to process, and is convenient to assemble with other components of the device.
As shown in fig. 6 to 7, the guide assembly includes two guide grooves 122 and two guide flat keys 123, which are disposed inside the guide sleeve 110 and symmetrically distributed, each guide groove 122 is connected with one guide flat key 123 through a bolt, two sliding grooves 124 matched with the guide flat keys 123 are disposed at one end of the camshaft 102 far away from the reducer cover 105, the guide flat keys 123 are slidably connected with the sliding grooves 124, and the guide assembly provides axial displacement guide for the camshaft 102. The hollow cam 103 and the fluted disc 114 adopt an integrated structure, are convenient to process and high in mechanical strength, and are favorable for ensuring the reliability and long-term use of the device.
As shown in fig. 1 to 2 and fig. 4 to 5, the adjusting rod 119 is a threaded rod, two locking nuts 125 are connected to the adjusting rod 119 through threads, the two locking nuts 125 are respectively disposed on two sides of the sliding block 120, and the position of the sliding block 120 on the adjusting rod 119 is adjusted to meet the braking requirements of various wheels with different specifications.
The working principle of the utility model is that the device is mainly used for clamping the wheels of the crane, and the wheels can not roll when the crane is subjected to transverse load, so that the sliding friction between the wheels and the guide rail is ensured. Thereby effectively preventing the crane accident from happening. By the aid of the electric thrust device 1 with the novel structure, in the installation and debugging process of equipment, the compensation stroke is set, and the brake pads on the brake shoes 8 have rated pre-pressure on wheels. Under the action of the pre-pressure, the braking effect of the wheel is ensured. When the crane needs to work, the driving motor 118 of the electric thrust device 1 is powered on, the cam shaft 102 retracts into the speed reducer case 101 along the axial direction, and the brake arm 3 is opened to work at a clearance, so that the wheels can normally rotate. After the brake arm 3 is opened to a rated back distance, the electrified brake of the electric thrust device 1 is electrified, so that the rotor of the driving motor 118 is tightly held, the working state is kept, the driving motor 118 of the electric thrust device 1 is powered off, and the brake-off state of the brake is kept with low energy consumption. When an emergency occurs or the host is powered off, the cam shaft 102 is rapidly ejected out under the action of the disc spring force, so that the device can rapidly clamp wheels to complete the contracting brake.
In addition, the device drives the reduction gear set 116 through the driving motor 118, and can safely and reliably realize thrust conversion of large torque, so that the safety and stability of wheel edge braking are improved. When the driving motor 118 with the power-on brake works, the driving motor 118 is powered on, the brake is powered off, and the brake is in a disconnected state; when the driving motor 118 is powered off, the brake is powered on to keep a braking state, so that the cam shaft 102 is prevented from resetting under the resetting force of the disc spring group 104 when the driving motor 118 is powered off, and the safety of the device is improved. The device gives a complete position signal to the driving motor 118 through a matched travel switch (not shown in the figure), ensures that the driving motor 118 is powered off after rotating in place, enables the brake to be powered on and keeps braking, and realizes primary limiting; by setting a time limit for the driving motor 118, when the work reaches the time limit, the power supply of the driving motor 118 is cut off, so that the brake is powered on to keep braking, and secondary limit is realized; the mechanical limit is provided by the end cover 106 in the advancing process of the cam shaft 102 of the device, when the cam shaft 102 touches the end cover 106, the cam shaft cannot continue to act, the current of the driving motor 118 is too large, so that the protection device matched with the driving motor 118 is automatically opened to cut off the power of the driving motor 118, the brake is powered on to keep braking, and the three-stage limit is realized. Through tertiary spacing setting, the stationarity and the security of improvement device work that can be very big, hollow cam 103 of electric thrust unit 1 is adorned on speed reducer cover 105 through slewing bearing 113, has the rotational degree of freedom, and camshaft 102 receives the axial restraint of direction parallel key 123 in the uide bushing 110 of end cover 106, loses the rotational degree of freedom, only carries out axial displacement's degree of freedom along hollow cam 103. The torque is added to the hollow cam 103 through the fluted disc 114 of the hollow cam 103, under the action of the torque, the hollow cam 103 rotates to push the cam shaft 102 matched with the hollow cam 103 to move along the axial direction, so that the input torque is converted into axial thrust, the mechanical limit is provided by the end cover 106 in the advancing process of the cam shaft 102, when the cam shaft 102 touches the end cover 106, the cam shaft can not continue to move, the driven cam 108 and the driving cam 112 are guaranteed not to be separated from each other when the cam shaft 102 generates the maximum axial displacement, and therefore the cam shaft 102 is guaranteed to realize reliable telescopic movement as required. In normal operation, the drive motor 118 is stopped by giving an in-position signal via the travel switch. Mechanical restraint is the last level of protection and is generally not used.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (9)
1. An electric wheel-side brake is characterized in that: the brake device comprises an electric thrust device, a base and two brake arms, wherein brake arm mounting grooves are respectively formed in two sides of the base, the middle parts of the two brake arms are respectively rotatably connected into the brake arm mounting grooves on the corresponding sides through base shafts, each brake arm is respectively in threaded connection with a back-off bolt matched with the brake arm mounting groove on the corresponding side, the front end of each brake arm is respectively hinged with a brake shoe through a shoe shaft, two position following spring seats are respectively arranged on two sides of the bottom of the base, each position following spring seat is respectively provided with a position following spring, one ends of the two position following springs, far away from the position following spring seats, are respectively connected with the shoe arms of the brake shoes on the corresponding sides, and the position following springs are used for ensuring that the shoe surfaces of the two brake shoes are corresponding; the electric thrust device is arranged at the rear end of the base, and the rear ends of the two brake arms are respectively and rotatably connected with the fixed end and the telescopic end of the electric thrust device;
the electric thrust device comprises a speed reducer case, a cam shaft, a hollow cam, a guide assembly and a reset assembly, wherein two ends of the speed reducer case are respectively detachably connected with a speed reducer cover and an end cover, the cam shaft, the hollow cam, the guide assembly and the reset assembly are all arranged in the speed reducer case, a baffle disc is integrally formed on the outer wall of the middle part of the cam shaft, one side of the baffle disc is provided with a driven cam, the other side of the baffle disc is abutted against the reset assembly, the reset assembly is sleeved on the cam shaft in a sliding manner, the outer side of the end cover is provided with a hinged seat, the inner side of the end cover is provided with a guide sleeve, the hinged seat is rotatably connected with a brake arm corresponding to the fixed end of the electric thrust device through a base shaft, the inner diameter of the guide sleeve is matched with the outer diameter of the cam shaft, the cam shaft is axially slidably connected with the guide sleeve through the guide assembly, one end, far away from the baffle disc, of the reset assembly is abutted against the guide sleeve, the hollow cam is rotatably sleeved on the cam shaft and is arranged on the driven cam side of the baffle disc, a driving cam matched with the driven cam is arranged at one end of the hollow cam corresponding to the driven cam, a through hole is formed in the lower end of the speed reducer cover, one end, far away from the driving cam, of the hollow cam is rotatably connected with the through hole wall of the speed reducer cover through a rotary bearing, a fluted disc is arranged on the outer wall of the middle part of the hollow cam, a thrust bearing sleeved on the outer wall of the hollow cam is arranged between the fluted disc and the speed reducer cover, a speed reduction gear set capable of driving the fluted disc to rotate is arranged in the speed reducer case, the input end of the speed reduction gear set is connected with a driving motor with an electric brake through gear shaft transmission, the driving motor is connected to the outside of the speed reducer case, and the driving cam and the driven cam can be driven to be far away from or close to the driven cam through the speed reduction gear set and the reset assembly matched with the driving motor, thereby driving the camshaft to move axially along the through hole; the end, far away from the end cover, of the camshaft is in threaded connection with an adjusting rod, the adjusting rod is connected with a sliding block with an adjustable position in a sliding mode, and the upper end and the lower end of the sliding block are respectively in rotary connection with a brake arm corresponding to the telescopic end of the electric thrust device through a threaded locking shaft.
2. The electric wheel-side brake according to claim 1, characterized in that: the base includes upper substrate, infrabasal plate that the upper and lower correspondence set up and corresponds two backup pads of connecting between upper substrate, infrabasal plate, two backup pads parallel arrangement, the front end of upper substrate, infrabasal plate corresponds to be provided with the brake shoe matched with groove of stepping down.
3. The electric wheel-side brake according to claim 1, characterized in that: the position following spring is a torsion spring.
4. The electric wheel-side brake according to claim 1, characterized in that: the speed reducer cover and the end cover are detachably connected with the speed reducer case through bolts respectively.
5. The electric wheel-side brake according to claim 1, characterized in that: the reset assembly adopts a disc spring assembly.
6. The electric wheel-side brake according to claim 1, characterized in that: the direction subassembly is including locating the inboard guide way of uide bushing and can dismantle the direction parallel key of connection in the guide way, the one end that the speed reducer cover was kept away from to the camshaft is equipped with and leads parallel key assorted sliding tray, direction parallel key and sliding tray sliding connection.
7. The electric wheel-side brake of claim 6, wherein: the inner side of the guide sleeve is symmetrically provided with two guide grooves, each guide groove is internally connected with a guide flat key through a bolt, and the camshaft is correspondingly provided with two sliding grooves which are respectively in sliding connection with the two guide flat keys.
8. The electric wheel-side brake according to claim 1, characterized in that: the hollow cam and the fluted disc are of an integrated structure.
9. The electric wheel-side brake according to claim 1, characterized in that: the adjusting rod is a threaded rod, the adjusting rod is in threaded connection with two locking nuts, and the two locking nuts are respectively arranged on two sides of the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122618473.6U CN216241929U (en) | 2021-10-28 | 2021-10-28 | Electric wheel-side brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122618473.6U CN216241929U (en) | 2021-10-28 | 2021-10-28 | Electric wheel-side brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241929U true CN216241929U (en) | 2022-04-08 |
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ID=80990358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122618473.6U Active CN216241929U (en) | 2021-10-28 | 2021-10-28 | Electric wheel-side brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833781A (en) * | 2021-10-28 | 2021-12-24 | 焦作市虹桥制动器股份有限公司 | Electric wheel-side brake |
-
2021
- 2021-10-28 CN CN202122618473.6U patent/CN216241929U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833781A (en) * | 2021-10-28 | 2021-12-24 | 焦作市虹桥制动器股份有限公司 | Electric wheel-side brake |
| CN113833781B (en) * | 2021-10-28 | 2024-07-23 | 焦作市虹桥制动器股份有限公司 | Electric wheel edge brake |
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