CN222391813U - Hydraulic motor braking mechanism - Google Patents
Hydraulic motor braking mechanism Download PDFInfo
- Publication number
- CN222391813U CN222391813U CN202421437927.7U CN202421437927U CN222391813U CN 222391813 U CN222391813 U CN 222391813U CN 202421437927 U CN202421437927 U CN 202421437927U CN 222391813 U CN222391813 U CN 222391813U
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- Prior art keywords
- hydraulic motor
- connecting cylinder
- braking
- piston rod
- motor body
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- 239000010720 hydraulic oil Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 8
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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Abstract
本实用新型涉及液压马达技术领域，具体的说是一种液压马达制动机构，包括液压马达本体，液压马达本体的内部安装有马达轴，液压马达本体上安装有输油管，液压马达本体的一侧通过多个螺栓可拆卸连接有连接套，连接套上固定连接有连接筒，连接筒的一端通过多个螺栓可拆卸连接有挡块，挡块上转动连接有螺杆，螺杆上螺纹连接有滑套，连接筒的内部滑动连接有活塞杆，活塞杆与滑套之间滑动连接，活塞杆的内部设有制动弹簧，活塞杆的一端固定连接有压板，马达轴的端部卡合有连接片，连接片与压板上均安装有摩擦片，两个摩擦片之间相互抵触；能够对制动力大小进行调节，从而能够保证制动的力度，使用的稳定性较好。
The utility model relates to the technical field of hydraulic motors, and specifically to a hydraulic motor brake mechanism, comprising a hydraulic motor body, a motor shaft is installed inside the hydraulic motor body, an oil pipeline is installed on the hydraulic motor body, one side of the hydraulic motor body is detachably connected with a connecting sleeve through a plurality of bolts, a connecting cylinder is fixedly connected to the connecting sleeve, one end of the connecting cylinder is detachably connected with a stopper through a plurality of bolts, a screw is rotatably connected to the stopper, a sliding sleeve is threadedly connected to the screw, a piston rod is slidably connected inside the connecting cylinder, the piston rod and the sliding sleeve are slidably connected, a brake spring is arranged inside the piston rod, one end of the piston rod is fixedly connected with a pressure plate, a connecting piece is clamped at the end of the motor shaft, friction plates are installed on the connecting piece and the pressure plate, and the two friction plates are in conflict with each other; the braking force can be adjusted, so that the braking force can be guaranteed, and the stability of use is good.
Description
Technical Field
The utility model relates to a hydraulic motor braking mechanism, in particular to a hydraulic motor braking mechanism, and belongs to the technical field of hydraulic motors.
Background
The hydraulic motor is an executive component of a hydraulic system, the hydraulic pressure energy provided by the hydraulic pump is converted into mechanical energy (torque and rotating speed) of an output shaft of the hydraulic motor, the hydraulic is a medium for transmitting force and motion, a braking mechanism is additionally arranged on some hydraulic motors, accurate control and starting and stopping can be realized through the hydraulic motor braking mechanism, the working efficiency of engineering machinery is improved, a spring is arranged in the hydraulic motor braking mechanism, when the pressure of hydraulic oil is large enough, the spring is jacked up, a braking function is closed, the motor rotates normally, if the pressure of the hydraulic oil is reduced or eliminated, the spring in the brake pad rebounds, and the brake pad locks a rotor stator pair, so that the motor is kept in a motionless state, and the braking of the hydraulic motor is realized.
However, the spring force of the spring in the conventional hydraulic motor may decrease with the increase of the service time, and the spring force is not adjustable, so that the braking force may be insufficient, resulting in poor service stability.
Disclosure of utility model
The utility model aims to solve the problems and provide a hydraulic motor braking mechanism which can adjust the braking force, thereby ensuring the braking force and ensuring better use stability.
The hydraulic motor braking mechanism comprises a hydraulic motor body, wherein a motor shaft is arranged in the hydraulic motor body, an oil delivery pipe is arranged on the hydraulic motor body, a braking structure is arranged on the hydraulic motor body, the braking structure comprises a connecting sleeve and a connecting cylinder, one side of the hydraulic motor body is detachably connected with the connecting sleeve through a plurality of bolts, the connecting cylinder is fixedly connected with the connecting sleeve, one end of the connecting cylinder is detachably connected with a stop block through a plurality of bolts, a screw is rotationally connected with the stop block, a sliding sleeve is connected with the screw in a threaded manner, a piston rod is connected with the connecting cylinder in a sliding manner, the piston rod is connected with the sliding manner, a braking spring is arranged in the piston rod, one end of the braking spring is abutted against the sliding sleeve, the other end of the braking spring is abutted against the piston rod, one end of the piston rod is fixedly connected with a pressing plate, the end of the motor shaft is clamped with the connecting sheet, friction sheets are respectively arranged on the connecting sheet and the pressing plate, and the two friction sheets are mutually abutted against each other.
Preferably, one end of the screw is provided with a groove matched with the hexagonal wrench, and the section of one end of the motor shaft is of a hexagonal structure.
Preferably, the cross section of adapter sleeve tip is L shape structure, the cross section of clamp plate tip is L shape structure.
Preferably, the section of the piston rod is of a T-shaped structure, and one end of the oil delivery pipe is communicated with the inside of the connecting cylinder.
Preferably, one friction plate is detachably connected with the pressing plate through two bolt fit nuts, and the other friction plate is detachably connected with the connecting sheet through two bolt fit nuts.
Preferably, one end of the motor shaft is connected with a knob in a threaded manner, and the knob is in interference with the connecting sheet.
Preferably, the section of the knob is of a T-shaped structure, and one side of the knob is fixedly connected with a bump.
The hydraulic motor has the advantages that when the hydraulic motor body needs to be started, hydraulic oil enters the connecting cylinder from the oil delivery pipe, the piston rod slides in the connecting cylinder under the action of hydraulic oil pressure, the braking spring contracts, the piston rod moves to drive the pressing plate to move, the pressing plate moves to drive one friction plate to move, so that the two friction plates are not contacted, the motor shaft can normally rotate after the two friction plates are not contacted, the pressure of the hydraulic oil in the connecting cylinder can be reduced when the hydraulic motor body stops working, the braking spring stretches to drive the piston rod to move, the piston rod moves to drive the pressing plate to move, the pressing plate moves to drive one friction plate to move towards the other friction plate, the motor shaft can rapidly stop rotating under the action of friction force after the two friction plates are abutted, rapid braking of the hydraulic motor body is achieved, when the elasticity of the braking spring changes, the screw rod can rotate the screw rod through the hexagonal wrench, the sliding sleeve is driven to move in the piston rod, the braking spring is extruded by the sliding sleeve to change the initial state of the braking spring, so that the initial state of the braking spring also changes, the collision force can be changed when the two friction plates are in the second time, the braking force can be changed, the braking force can be adjusted, and the braking force can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a connection structure of a connecting sleeve and a connecting cylinder according to the present utility model;
FIG. 3 is a schematic view of the friction plate of the present utility model;
FIG. 4 is a schematic structural view of a sliding sleeve according to the present utility model;
fig. 5 is a schematic structural view of the motor shaft of the present utility model.
In the figure, 1, a hydraulic motor body, 2, a motor shaft, 3, an oil delivery pipe, 4, a braking structure, 401, a connecting sleeve, 402, a connecting cylinder, 403, a stop block, 404, a screw rod, 405, a sliding sleeve, 406, a braking spring, 407, a piston rod, 408, a pressing plate, 409, a friction plate, 410, a connecting sheet, 5, a knob, 6 and a bump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a hydraulic motor braking mechanism includes a hydraulic motor body 1, a motor shaft 2 is installed in the hydraulic motor body 1, an oil delivery pipe 3 is installed on the hydraulic motor body 1, a braking structure 4 is provided on the hydraulic motor body 1, the braking structure 4 includes a connecting sleeve 401 and a connecting cylinder 402, one side of the hydraulic motor body 1 is detachably connected with the connecting sleeve 401 through a plurality of bolts, a connecting cylinder 402 is fixedly connected with the connecting sleeve 401, one end of the connecting cylinder 402 is detachably connected with a stop 403 through a plurality of bolts, a screw 404 is rotatably connected with the stop 403, a sliding sleeve 405 is connected with the screw 404 in a threaded manner, a piston rod 407 is connected with the connecting cylinder 402 in a sliding manner, a sliding manner is provided between the piston rod 407 and the sliding sleeve 405, one end of the braking spring 406 is in contact with the sliding sleeve 405, the other end of the braking spring 406 is in contact with the piston rod 407, one end of the hydraulic motor body 1 is fixedly connected with a pressing plate 408, the end of the motor shaft 2 is clamped with the pressing plate 410, and the pressing plate 409 is in contact with the friction plate 409 between the two friction plates 409.
As a technical optimization scheme of the present utility model, as shown in fig. 2 and 5, one end of the screw 404 is provided with a groove matched with a hexagonal wrench, and the section of one end of the motor shaft 2 is in a hexagonal structure, so that the screw 404 can be rotated by the hexagonal wrench.
As a technical optimization scheme of the present utility model, as shown in fig. 2, the cross section of the end portion of the connecting sleeve 401 is in an L-shaped structure, the cross section of the end portion of the pressing plate 408 is in an L-shaped structure, the cross section of the piston rod 407 is in a T-shaped structure, and one end of the oil delivery pipe 3 is communicated with the inside of the connecting cylinder 402, so that hydraulic oil can enter the inside of the connecting cylinder 402 from the oil delivery pipe 3.
As a technical optimization scheme of the present utility model, as shown in fig. 2, one of the friction plates 409 is detachably connected with the pressing plate 408 through two bolt-fit nuts, and the other friction plate 409 is detachably connected with the connecting plate 410 through two bolt-fit nuts, so that the friction plate 409 can be detached, and the friction plate 409 can be replaced.
As a technical optimization scheme of the utility model, as shown in fig. 2, one end of the motor shaft 2 is connected with a knob 5 in a threaded manner, the knob 5 is abutted against the connecting sheet 410, the section of the knob 5 is in a T-shaped structure, and one side of the knob 5 is fixedly connected with a bump 6, so that the connecting sheet 410 can be fixed.
When the hydraulic motor is used, hydraulic oil enters the connecting cylinder 402 from the oil delivery pipe 3 when the hydraulic motor body 1 is required to be started, the piston rod 407 slides in the connecting cylinder 402 under the action of hydraulic oil pressure, the brake spring 406 contracts, the piston rod 407 moves to drive the pressing plate 408 to move, the pressing plate 408 moves to drive one of the friction plates 409 to move, so that the two friction plates 409 are not contacted, the motor shaft 2 can normally rotate after the two friction plates 409 are not contacted, when the hydraulic motor body 1 stops working, the pressure of hydraulic oil in the connecting cylinder 402 can be reduced, at the moment, the brake spring 406 stretches to drive the piston rod 407 to move, the piston rod 407 moves to drive the pressing plate 408 to move, the pressing plate 408 moves to drive one of the friction plates 409 to move towards the other friction plate 409, when the two friction plates 409 abut against each other, the motor shaft 2 under the action of the friction force, thereby realizing quick braking of the hydraulic motor body 1, when the elasticity of the brake spring 406 changes, the screw 404 can rotate the screw 404 through a hexagonal wrench to drive the sliding sleeve 405 to move in the interior of the friction plate 406, the brake spring 406 can press the brake spring 406, so that the initial friction plates 406 can be pressed, the friction plates 409 can be detached from the other friction plates can be detached, and the situation can be changed, when the friction plates can not be adjusted, and the friction plates can be detached from the other friction plate 409 is changed, and the friction plate is changed, and the situation can be changed from the friction plate is replaced from the connecting plate 1, when the original friction plate is changed, and the friction plate is replaced, and the situation is can is changed, and the friction plate is replaced, thereby realizing the disassembly of the friction plate 409 and facilitating the replacement of the friction plate 409.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A hydraulic motor braking mechanism comprises a hydraulic motor body (1), and is characterized in that a motor shaft (2) is arranged in the hydraulic motor body (1), an oil delivery pipe (3) is arranged on the hydraulic motor body (1), a braking structure (4) is arranged on the hydraulic motor body (1), the braking structure (4) comprises a connecting sleeve (401) and a connecting cylinder (402), one side of the hydraulic motor body (1) is detachably connected with the connecting sleeve (401) through a plurality of bolts, the connecting cylinder (402) is fixedly connected with the connecting cylinder (401), one end of the connecting cylinder (402) is detachably connected with a stop block (403) through a plurality of bolts, a screw (404) is rotationally connected with the stop block (403), a sliding sleeve (405) is connected with the screw (404), a piston rod (407) is connected with the sliding sleeve (405) in a sliding manner, a braking spring (406) is arranged in the connecting cylinder (407), one end of the braking spring (406) is abutted against the sliding sleeve (405), one end of the braking spring (408) is fixedly connected with a pressing plate (408), the end of the motor shaft (2) is clamped with a connecting sheet (410), friction sheets (409) are arranged on the connecting sheet (410) and the pressing plate (408), and the two friction sheets (409) are mutually abutted.
2. The hydraulic motor brake mechanism according to claim 1, wherein one end of the screw (404) is provided with a groove matching with a hexagonal wrench, and a section of one end of the motor shaft (2) is in a hexagonal structure.
3. A hydraulic motor brake mechanism according to claim 1 wherein the cross section of the end of the connection sleeve (401) is of L-shaped configuration and the cross section of the end of the pressure plate (408) is of L-shaped configuration.
4. A hydraulic motor brake mechanism according to claim 1, wherein the cross section of the piston rod (407) is of T-shaped structure, and one end of the oil delivery pipe (3) is communicated with the inside of the connecting cylinder (402).
5. A hydraulic motor brake mechanism according to claim 1 wherein one of the friction plates (409) is detachably connected to the pressure plate (408) by two bolt-fit nuts and the other friction plate (409) is detachably connected to the connecting plate (410) by two bolt-fit nuts.
6. A hydraulic motor brake mechanism according to claim 1, wherein one end of the motor shaft (2) is screwed with a knob (5), and the knob (5) abuts against the connecting piece (410).
7. The hydraulic motor brake mechanism according to claim 6, wherein the cross section of the knob (5) is in a T-shaped structure, and one side of the knob (5) is fixedly connected with a bump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421437927.7U CN222391813U (en) | 2024-06-21 | 2024-06-21 | Hydraulic motor braking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421437927.7U CN222391813U (en) | 2024-06-21 | 2024-06-21 | Hydraulic motor braking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222391813U true CN222391813U (en) | 2025-01-24 |
Family
ID=94296052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421437927.7U Active CN222391813U (en) | 2024-06-21 | 2024-06-21 | Hydraulic motor braking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222391813U (en) |
-
2024
- 2024-06-21 CN CN202421437927.7U patent/CN222391813U/en active Active
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