CN211685046U - Braking device for locomotive - Google Patents
Braking device for locomotive Download PDFInfo
- Publication number
- CN211685046U CN211685046U CN202020238998.XU CN202020238998U CN211685046U CN 211685046 U CN211685046 U CN 211685046U CN 202020238998 U CN202020238998 U CN 202020238998U CN 211685046 U CN211685046 U CN 211685046U
- Authority
- CN
- China
- Prior art keywords
- rod
- push rod
- cam
- piston push
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to a braking device for locomotive, including driving motor, drive mechanism and with the piston push rod of the piston sleeve looks adaptation in the master cylinder of braking, drive mechanism links to each other with piston push rod and driving motor respectively for transmit power, driving motor is used for driving piston push rod along the straight-line motion of self central axis direction; the utility model provides a braking device, small in size, compact structure, not only can realize linear brake to effectively avoid the short problem of idle stroke and brake stroke that exists among the prior art, more be favorable to realizing steady brake, the control of being convenient for very much moreover, brake is efficient, is favorable to founding automatic control braking system, is particularly useful for the vehicle among the individual rapid transit system.
Description
Technical Field
The utility model relates to a rail transit equipment technical field, concretely relates to arresting gear for locomotive.
Background
The brake system is one of the important components of a vehicle, and is mainly used for providing deceleration and braking for the vehicle so as to decelerate or stop the running vehicle or keep the stopped vehicle still.
In the prior art, a commonly used brake system generally comprises a brake device (or called as an energy supply device), a control device, a transmission device and a brake, wherein the brake device comprises various components for supplying, adjusting energy required by braking and improving the state of an energy transfer medium, the control device comprises various components for generating braking action and controlling braking effect, the transmission device comprises various components for transmitting braking energy to the brake, and the brake comprises components for generating force (braking force) for resisting movement or movement tendency of a vehicle, such as a brake drum, a disc brake, a fixed caliper disc brake, a floating caliper disc brake and the like commonly used in the prior art; for example, a brake system commonly used in an existing vehicle generally includes a master cylinder (as shown in fig. 1), brake cylinders arranged at each wheel, and a brake oil pipe for connecting the master cylinder with each brake cylinder, and an existing brake apparatus generally includes a vacuum booster pump and a brake mechanism, one end of the brake mechanism is connected to the vacuum booster pump, the vacuum booster pump is connected to the master cylinder, and a driver drives the brake mechanism and changes the pressure of brake oil in the master cylinder through the vacuum booster pump, so as to achieve the purpose of controlling the braking force at each brake cylinder, so as to meet different braking requirements; however, the conventional vacuum booster pump is generally large in size, is arranged in a brake system, is not beneficial to miniaturization of the whole brake system, is not particularly suitable for occasions with limited space structures, and is not suitable for vehicles (or called locomotives or cars) in continuous transportation as required if the conventional vacuum booster pump is not suitable for personal rapid transit (PRT, also called personal rapid transit, and is an automatic guided rail transit system).
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to improve the not enough that exists among the prior art, provide a small in size, compact structure, can realize the arresting gear of linear brake, and the control of being convenient for very much is favorable to founding the automatic control braking system, is particularly useful for the vehicle among the individual rapid transit system.
The utility model adopts the technical proposal that:
a braking device for a locomotive comprises a driving motor, a transmission mechanism and a piston push rod matched with a piston sleeve in a brake master cylinder, wherein the transmission mechanism is respectively connected with the piston push rod and the driving motor and used for transmitting power, and the driving motor is used for driving the piston push rod to linearly move along the direction of the central axis of the driving motor. In the scheme, when the driving motor rotates forwards or reversely, the rotary power of the motor output shaft can be converted into power for pushing the piston push rod to linearly move along the direction of the central axis of the piston push rod through the transmission mechanism and transmitted to the piston push rod, one end of the piston push rod is sleeved in the piston sleeve, and when the piston push rod moves, the piston sleeve can be extruded, so that the piston sleeve in the brake master pump is pushed to act, the pressure of brake oil in the brake master pump is changed, and the purpose of braking is achieved. And through the rotational speed of reasonable control driving motor, can drive the piston push rod and move according to the speed of setting for to convenient realization linear brake function can effectively avoid the easy empty stroke that appears and the shorter problem of brake stroke that exists among the prior art, more is favorable to realizing steady brake, and in addition, this arresting gear's compact structure, small in size can effectively practice thrift installation space, are particularly useful for the vehicle in the individual rapid transit system.
In order to make the whole braking device smaller and more compact, the transmission mechanism is preferably a cam mechanism. By adopting the cam mechanism, the rotary motion of the output shaft of the driving motor can be conveniently converted into the linear motion of the piston push rod, so that the linear braking can be realized, and the cam mechanism has a compact structure, thereby being beneficial to the smaller and more compact volume and structure of the whole braking device.
Preferably, the cam mechanism comprises a cam and a mounting frame, the cam is fixed on the rotating shaft, the rotating shaft is movably mounted on the mounting frame, the cam is matched with the piston push rod and forms a high pair, and the rotating shaft is connected with the driving motor and used for rotating under the driving of the driving motor and driving the piston push rod to do linear motion relative to the mounting frame. In the scheme, the piston push rod is used as a driven part of the cam mechanism and can move linearly relative to the mounting frame when the cam rotates, so that a piston sleeve in the brake master cylinder is pushed to act, and the purposes of braking and braking force changing are achieved.
Preferably, the surface of the cam for contacting the piston rod is a profile surface, and the distance between the profile surface and the cam center point is gradually increased along the circumferential direction of the cam. So as to drive the piston push rod to do uniform or uniform acceleration motion, thereby realizing the linear braking function, being beneficial to eliminating the problems of easy occurrence of idle stroke and short braking stroke existing in the process of braking by adopting the vacuum booster pump, and being beneficial to realizing stable braking.
In order to facilitate the connection of the master cylinder, in one scheme, one end of the mounting rack is provided with a connector used for connecting the master cylinder, the connector is of a cylindrical structure, and the end of the connector is provided with a connecting hole matched with the master cylinder. So as to realize the reliable connection of the braking device and the master cylinder.
In another kind of scheme, still include the link, link detachable is fixed in the mounting bracket, and the one end of link is provided with tubular structure's connector, the tip of connector be provided with the connecting hole of brake master cylinder looks adaptation. The reliable connection between the braking device and the master cylinder is convenient to realize, and the assembly and the disassembly of the braking device are convenient.
In order to ensure that the piston push rod makes linear motion, the piston push rod linear motion device further comprises a guide component, wherein the guide component is a guide hole arranged on the mounting frame or the connecting frame, the piston push rod and the guide hole form a moving pair, or the guide component is a sleeve arranged on the mounting frame or the connecting frame, and the piston push rod and the sleeve form a moving pair.
In order to realize the automatic reset function, further, still include reset spring, reset spring's one end is fixed in the piston push rod, and the other end is fixed in mounting bracket or link, and reset spring is used for providing the restoring force for the piston push rod, ensures that piston push rod and cam contact. Therefore, the piston push rod and the cam can synchronously act, and idle stroke is prevented from occurring in the braking process.
In order to facilitate installation of the return spring, the return spring is sleeved outside the piston push rod, and the piston push rod is provided with a step for clamping the return spring. More be convenient for install reset spring between piston push rod and mounting bracket or link to effectively realize reset function.
In order to improve the stress condition of the cam in the braking process, in one scheme, a rotating part is arranged at the end part of the piston push rod and is in contact with the cam, and the rotating part is a bearing or a roller. The rotating part is contacted with the cam, so that rolling contact can be realized, abrasion can be reduced, the service life is prolonged, and a more stable braking process can be realized.
In another scheme, the device further comprises a swing rod assembly used for transmission, one end of the piston push rod is hinged to the swing rod assembly, the swing rod assembly is provided with a rotating part, the swing rod assembly is hinged to the mounting frame, the rotating part is in contact with the cam, and the rotating part can be a bearing or a roller. The cam is driven by the driving motor to rotate, the cam rotates to drive the swing rod assembly to swing, and then the piston push rod is driven to move linearly, so that a piston sleeve in the brake master cylinder is pushed to act, and the purposes of changing the brake oil pressure in the brake master cylinder and realizing braking are achieved.
In one scheme, the swing rod assembly comprises a swing rod, two ends of the swing rod are respectively hinged to the mounting frame and the piston push rod, the rotating part is arranged on the swing rod and matched with the cam, and the swing rod is a straight rod or a bent rod. The swinging of the swing rod is adopted for transmission, so that the piston push rod can be driven to do linear motion more stably.
Preferably, the swing rod is of an L-shaped structure.
In another scheme, the swing rod assembly comprises a swing rod and a transmission rod, two ends of the transmission rod are respectively hinged to the piston push rod and the swing rod, the swing rod is hinged to the mounting frame, and the rotating part is arranged on the swing rod and matched with the cam. So as to realize stable transmission
Furthermore, the device also comprises a speed reducer, wherein the speed reducer is fixed on the mounting frame and is respectively connected with the driving motor and the rotating shaft. The speed reducer is arranged between the driving motor and the cam mechanism, and has the functions of reducing the rotating speed and increasing the torque, so that the braking force can be effectively improved, and the requirements of different braking forces are met.
Compared with the prior art, use the utility model provides a pair of a arresting gear for locomotive has following beneficial effect:
1. the braking device has small volume and compact structure, can realize linear braking, is very convenient to control, is favorable for constructing an automatic control braking system, and is particularly suitable for vehicles in personal rapid transport systems.
2. This arresting gear can effectively avoid the easy empty stroke that appears and the shorter problem of brake stroke that exists among the prior art, more is favorable to realizing steady brake.
3. The braking device has the advantages of reasonable structural design, convenient installation and disassembly, capability of realizing the accurate control of the braking process, high response speed and high braking efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a conventional master brake pump.
Fig. 2 is a cross-sectional view of a brake device provided in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a cam in a brake device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a connecting frame in a braking device according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of another braking device provided in an embodiment of the present invention.
Fig. 6 is a sectional view of the brake apparatus provided in fig. 5 after being mounted to a master cylinder.
Description of the drawings
A master cylinder 100, a piston sleeve 101,
A driving motor 201, a speed reducer 202, a rotating shaft 203, a cam 204, a mounting frame 205, a connecting frame 206, a connecting head 207, a connecting hole 208, a flange 209, a guide hole 210, a return spring 211, a,
A contour surface 301, an end surface 302, a shaft hole 303,
A piston push rod 401, a step 402,
A rotating part 501,
A swing rod 601 and a fisheye bearing 602.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Based on a master cylinder in a service brake system in the prior art, as shown in fig. 1, the embodiment provides a brake device for a locomotive, which includes a driving motor 201, a transmission mechanism, and a piston push rod 401 adapted to a piston sleeve 101 in a master cylinder 100, where the transmission mechanism is respectively connected to the piston push rod 401 and the driving motor 201 for transmitting power, and the driving motor 201 is used for driving the piston push rod 401 to move linearly along a central axis direction thereof. In this embodiment, when the driving motor 201 rotates forward or backward, the rotational power of the output shaft of the motor can be converted into power for pushing the piston rod 401 to move linearly along the central axis direction thereof through the transmission mechanism, and transmitted to the piston rod 401, and one end of the piston rod 401 is sleeved in the piston sleeve 101, as shown in fig. 2; when the piston push rod 401 moves, the piston sleeve 101 is squeezed, so that the piston sleeve 101 in the master cylinder 100 is pushed to act, the pressure of brake oil in the master cylinder 100 is changed, and the purpose of braking is achieved; compared with the vacuum booster pump, in the braking device, the driving motor 201 is adopted to provide power, so that parameters such as the rotating speed, the rotating angle, the rotating number of turns and the like of the driving motor 201 can be accurately controlled, the accurate control of the braking process can be realized, the response speed is high, and the braking efficiency is high; and through the rotational speed of reasonable control driving motor 201, can drive piston push rod 401 and remove according to the speed of setting for to the linear brake function of convenient realization can effectively avoid existing among the prior art: the problem that idle stroke and brake stroke are short easily appears, more be favorable to realizing steady brake, in addition, this arresting gear's compact structure, small in size can effectively practice thrift installation space, are particularly useful for the vehicle in the individual rapid transit system.
In order to make the whole braking device smaller and more compact in size, in this embodiment, the transmission mechanism is a cam mechanism; the rotary motion of the output shaft of the driving motor 201 can be conveniently converted into the linear motion of the piston push rod 401 so as to realize linear braking, and the cam mechanism has a compact structure, so that the whole braking device is smaller in size and more compact in structure; in a preferred embodiment, the cam mechanism comprises a cam 204 and a mounting bracket 205, the cam 204 is fixed on a rotating shaft 203, the rotating shaft 203 is movably mounted on the mounting bracket 205, for example, the rotating shaft 203 can be mounted by a bearing, and the cam 204 is matched with a piston push rod 401 and forms a high pair so as to transmit power; the rotating shaft 203 is connected with the driving motor 201 and is used for rotating under the driving of the driving motor 201 so as to drive the cam 204 to rotate, and further drive the piston push rod 401 matched with the cam 204 to linearly move relative to the mounting frame 205, so that the purpose of driving the piston sleeve 101 is achieved; in the process, the cam 204 is a driving part, and the piston push rod 401 is used as a driven part of the cam mechanism and can move linearly relative to the mounting frame 205 when the cam 204 rotates, so that the piston sleeve 101 in the master cylinder 100 is pushed to act, and the purposes of braking and braking force change are achieved; the surface of the cam 204, which is used for contacting the piston rod 401, is a profile surface 301, as shown in fig. 2 and 3, the shape of the profile surface 301 is reasonably set, so that the piston sleeve 101 can be driven to realize different motion forms, and in this embodiment, in order to realize a linear braking function, the distance between the profile surface 301 and the central point of the cam 204 is gradually increased along the circumferential direction of the cam 204, as shown in fig. 3, so as to drive the piston rod 401 to move at a constant speed or at a uniform acceleration, thereby realizing the linear braking function, and being beneficial to eliminating the problems that an idle stroke is easy to occur and a braking stroke is short when a vacuum booster pump is used for braking, and being beneficial to realizing stable braking; in addition, with the adoption of the structural design, the end face 302 which is distributed in the radial direction approximately can be formed on the cam 204, so that the piston push rod 401 which is in contact with the cam 204 can be just clamped in the concave area formed by the end face 302 and the profile surface 301 when the brake is not braked, the stability of the piston push rod 401 is favorably kept, the piston push rod 401 is kept to be in close contact with the cam 204, and the piston push rod 401 is effectively prevented from moving or falling off the cam 204 by self due to factors such as external shaking and vibration.
For ease of installation, the cam 204 is provided with a shaft hole 303 for connection to the shaft 203, as shown in fig. 3.
In order to connect the master cylinder of brake for this arresting gear can be convenient assemble, in the preferred scheme that this embodiment provided, the one end of mounting bracket 205 is provided with the connector 207 that is used for connecting the master cylinder of brake, connector 207 is the tubular structure to with the cylindrical exterior structure looks adaptation of master cylinder one end, the tip of connector 207 be provided with the connecting hole 208 of master cylinder looks adaptation of brake, utilize the bolt can make things convenient for, the efficient realizes this arresting gear and the reliable connection of master cylinder of brake, be favorable to rapid Assembly and dismantlement.
In order to facilitate the modular production and assembly of the entire braking device, in another preferred solution provided in this embodiment, the braking device further includes a connecting frame 206, the connecting frame 206 is detachably fixed to the mounting frame 205, one end of the connecting frame 206 is provided with a connecting head 207 having a cylindrical structure, and an end of the connecting head 207 is provided with a connecting hole 208 adapted to the master cylinder, as shown in fig. 2 and 4; that is, in this scheme, connector 207 sets up on link 206, when assembling, can assemble link 206 to the brake master cylinder earlier, then with mounting bracket 205 assemble link 206 again can, be more convenient for arresting gear's assembly and dismantlement, and in this scheme, link 206 can adopt bolted connection to realize dismantling the connection with mounting bracket 205, if set up flange 209 in the one end of link 206 and mounting bracket 205 respectively, and utilize the bolt to connect etc. very firm.
In order to ensure that the piston push rod 401 strictly moves linearly, the braking device provided in this embodiment further includes a guide component, where the guide component is used to guide the movement of the piston push rod 401, and there may be various embodiments, as an example, the guide component may be a guide hole 210 provided in the mounting frame 205 or the connecting frame 206, the piston push rod 401 passes through the guide hole 210 and forms a moving pair with the guide hole 210, and the guide hole 210 may form a constraint on the piston push rod 401 to ensure that the piston push rod 401 moves linearly (including reciprocating movement); as another example, the guide member may also be a sleeve disposed on the mounting frame 205 or the connecting frame 206, the piston rod 401 is sleeved in the sleeve and forms a sliding pair with the sleeve, and the sleeve may form a constraint on the piston rod 401 to ensure that the piston rod 401 moves along a straight line; the sleeve may be a separate component, and is installed in the mounting frame 205 or the connecting frame 206, or may be directly formed in the mounting frame 205 or the connecting frame 206, and is not described herein again.
In order to realize the automatic reset function, the braking device provided by the embodiment further includes a reset spring 211, one end of the reset spring 211 is fixed to the piston push rod 401, and the other end of the reset spring 211 is fixed to the mounting frame 205 or the connecting frame 206, and the reset spring 211 is used for providing a restoring force for the piston push rod 401 to ensure that the piston push rod 401 is in contact with the cam 204; thereby ensuring that the piston push rod 401 and the cam 204 can synchronously act and preventing idle stroke in the braking process; for example, as shown in fig. 2, 5 and 6, the piston rod 401 may be in close contact with the cam 204 by the return spring 211 for precise transmission.
In order to facilitate the installation of the return spring 211, it is preferable that the return spring 211 is sleeved on the outer side of the piston rod 401, and the piston rod 401 is provided with a step 402 for catching the return spring 211, as shown in fig. 2, so as to install the return spring 211 between the piston rod 401 and the mounting frame 205 or the connecting frame 206, and initially, ensure that the return spring 211 has a certain elastic force, thereby effectively implementing the return function.
In order to improve the stress condition of the cam 204 in the braking process and avoid the piston push rod 401 from being abraded too fast, in a further scheme, a rotating part 501 is arranged at the end part of the piston push rod 401, the rotating part 501 is in contact with the cam 204, the rotating part 501 can be a bearing or a roller and the like, and the rotating part 501 can be fixed on the piston push rod 401 through a shaft so as to be in rolling contact with the cam 204, so that the abrasion loss can be reduced, the service life is prolonged, and the more stable braking process can be obtained.
It is understood that, in the present embodiment, the piston rod 401 may be a rod-shaped structure or a rod-like structure formed integrally, or may be a rod-shaped structure or a rod-like structure formed by combining multiple rod segments.
It can be understood that, in this embodiment, the driving motor 201 may adopt a stepping motor, a servo motor, etc. commonly used in the prior art, and may preferentially adopt a driving motor 201 without a self-locking function; in a further scheme, the braking device further includes a speed reducer 202, the speed reducer 202 is fixed to the mounting frame 205 and is respectively connected to the driving motor 201 and the rotating shaft 203, as shown in fig. 5, the speed reducer 202 is disposed between the driving motor 201 and the cam mechanism, and performs functions of reducing a rotating speed and increasing a torque, so as to effectively improve a braking force and meet requirements of different braking forces, and the speed reducer 202 may be a speed reducer 202 commonly used in the prior art, which is not illustrated here.
Example 2
The main difference between this embodiment 2 and the above embodiment 1 is that the braking device provided in this embodiment further includes a swing link assembly for transmission, one end of the piston push rod 401 is hinged to the swing link assembly, the swing link assembly is provided with a rotating component 501, the swing link assembly is hinged to the mounting bracket 205, the rotating component 501 contacts with the cam 204, and the rotating component 501 may be a bearing or a roller. In this embodiment, when the cam 204 is driven by the driving motor 201 to rotate, the swing rod assembly is driven to swing, and then the piston push rod 401 is driven to move linearly, so as to push the piston sleeve 101 in the master cylinder 100 to act, thereby achieving the purpose of changing the pressure of the brake oil in the master cylinder 100 and achieving braking; in the embodiment, the oscillating bar assembly is adopted between the piston push rod 401 and the cam 204 for transmission, which is beneficial to driving the piston push rod 401 to move linearly more stably.
It can be understood that the swing link assembly has various embodiments, and as an embodiment, the swing link assembly includes a swing link 601, two ends of the swing link 601 are respectively hinged to the mounting frame 205 and the piston push rod 401, the rotating member 501 is disposed on the swing link 601 and is matched with the cam 204, the swing link 601 may be a straight rod or a bent rod, as shown in the drawings, for example, the swing link 601 adopts a bent rod with an L-shaped structure, as shown in fig. 5 and 6, the rotating member 501 may be disposed at a corner of the swing link 601, and the swing link 601 may be hinged to the piston push rod 401 through a fisheye bearing 602, and the fisheye bearing 602 may be conveniently mounted at an end of the piston push rod 401; as another embodiment, the swing link assembly includes a swing link 601 and a transmission rod, two ends of the transmission rod are respectively hinged to the piston push rod 401 and the swing link 601, the swing link 601 is hinged to the mounting bracket 205, and the rotating member 501 is disposed on the swing link 601 and cooperates with the cam 204 to achieve stable transmission.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. The braking device for the locomotive is characterized by comprising a driving motor, a transmission mechanism and a piston push rod matched with a piston sleeve in a brake master cylinder, wherein the transmission mechanism is respectively connected with the piston push rod and the driving motor and used for transmitting power, and the driving motor is used for driving the piston push rod to linearly move along the direction of the central axis of the driving motor.
2. The brake apparatus for a locomotive according to claim 1, wherein said transmission mechanism is a cam mechanism.
3. The brake apparatus of claim 2, wherein the cam mechanism includes a cam fixed to a shaft movably mounted to the mounting bracket, the cam being adapted to the piston rod and forming a high pair, and a mounting bracket, the shaft being connected to the drive motor for rotation by the drive motor and for driving the piston rod to move linearly relative to the mounting bracket.
4. The brake apparatus for motorcycle of claim 3, wherein the cam surface for contacting the piston push rod is a profile surface, and a distance between the profile surface and a cam center point is gradually increased along a circumferential direction of the cam.
5. The braking device for the locomotive according to claim 3, wherein a connector for connecting a master cylinder is arranged at one end of the mounting frame, the connector is of a cylindrical structure, and a connecting hole matched with the master cylinder is formed in the end of the connector;
or, still include the link, link detachable is fixed in the mounting bracket, and the one end of link is provided with tubular structure's connector, and the tip of connector is provided with the connecting hole with brake master cylinder looks adaptation.
6. The brake device for the locomotive according to claim 5, further comprising a guide member, wherein the guide member is a guide hole provided in the mounting frame or the connecting frame, and the piston push rod and the guide hole form a sliding pair;
or, the guide part is a sleeve arranged on the mounting frame or the connecting frame, and the piston push rod and the sleeve form a sliding pair.
7. The brake apparatus for motorcycle of claim 5, further comprising a return spring having one end fixed to the piston rod and the other end fixed to the mounting bracket or the connecting bracket, the return spring being configured to provide a restoring force to the piston rod to ensure that the piston rod is in contact with the cam.
8. The brake apparatus for motorcycle of claim 7, wherein the return spring housing is provided at an outer side of the piston push rod, and the piston push rod is provided with a step for catching the return spring.
9. The brake apparatus for motorcycle of any one of claims 3 to 8, wherein the piston rod is provided at an end thereof with a rotating member, the rotating member being in contact with the cam, the rotating member being a bearing or a roller;
or, be used for driven pendulum rod subassembly, the one end of piston push rod articulate in pendulum rod subassembly, pendulum rod subassembly is provided with the rotating part, and pendulum rod subassembly articulate in the mounting bracket, the rotating part with the cam contacts, the rotating part can be bearing or gyro wheel.
10. The brake device for the locomotive according to claim 9, wherein the swing link assembly comprises a swing link, two ends of the swing link are respectively hinged to the mounting frame and the piston push rod, the rotating member is arranged on the swing link and is matched with the cam, and the swing link is a straight rod or a bent rod;
or, the swing rod assembly comprises a swing rod and a transmission rod, two ends of the transmission rod are respectively hinged to the piston push rod and the swing rod, the swing rod is hinged to the mounting frame, and the rotating part is arranged on the swing rod and matched with the cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020238998.XU CN211685046U (en) | 2020-03-02 | 2020-03-02 | Braking device for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020238998.XU CN211685046U (en) | 2020-03-02 | 2020-03-02 | Braking device for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211685046U true CN211685046U (en) | 2020-10-16 |
Family
ID=72777536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020238998.XU Active CN211685046U (en) | 2020-03-02 | 2020-03-02 | Braking device for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211685046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954408A (en) * | 2022-06-23 | 2022-08-30 | 浙江吉利控股集团有限公司 | Power-assisted brake device and vehicle |
-
2020
- 2020-03-02 CN CN202020238998.XU patent/CN211685046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954408A (en) * | 2022-06-23 | 2022-08-30 | 浙江吉利控股集团有限公司 | Power-assisted brake device and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211685046U (en) | Braking device for locomotive | |
| CN111907499B (en) | Electro-hydraulic braking system and braking method thereof | |
| CN108819924A (en) | A kind of double-brake system based on slider-crank mechanism | |
| CN107120368B (en) | Floating caliper type radial double-push-rod air pressure disc brake | |
| CN109532810B (en) | Electronic hydraulic braking system device | |
| CN201895670U (en) | Spring braking device for railway vehicle unit brake | |
| CN112828223A (en) | Novel power device applied to cold header | |
| CN212047315U (en) | Brake assembly and brake device with outage brake function | |
| CN210106454U (en) | Electronic mechanical brake for commercial vehicle | |
| WO2021206584A1 (en) | Device for converting energy | |
| CN101195379A (en) | Elastic vibration reduction towing mechanism of track vehicle | |
| CN111169442A (en) | Brake assembly and brake device for realizing power-off brake function | |
| CN216401399U (en) | Drive-by-wire arresting gear of formula car of unmanned driving | |
| CN216478600U (en) | Mechanical braking type brake motor | |
| CN202608800U (en) | Power transmission device for electric vehicle reducer | |
| CN213017567U (en) | Cam assembly and cam control mechanism of emergency brake | |
| US3205723A (en) | Motion converter mechanisms for electric windshield wipers | |
| CN110131339B (en) | Unmanned aerial vehicle electronic control brake system | |
| CN211442279U (en) | Integrated electronic hydraulic brake device | |
| CN207714992U (en) | A kind of driving mechanism for joining door again | |
| CN214639988U (en) | Novel power device applied to cold header | |
| CN212605159U (en) | Mining narrow-gauge electric locomotive and running gear with hydraulic braking mechanism | |
| CN111775615A (en) | Electric wheel system integrating shock absorption and power generation, working method and vehicle | |
| CN212529654U (en) | Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system | |
| CN115214584B (en) | Braking system for unmanned automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |