Horizontal holding and clamping brake device

By using multiple transmission structure linkage methods in the horizontal clamp braking device, the flywheel is decelerated, which solves the problem of long downtime and the oil film rupture of the bearing shell, and improves the safe operation level of the hydropower station.

CN222977290UActive Publication Date: 2025-06-13SHANGHAI LIANRONG AUTOMATION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422469195.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-06-13
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The existing horizontal clamp braking device has a long downtime due to the large moment of inertia during shutdown, and the bearings and bearings are prone to rupture the oil film and burning when running at low speed.

Method used

Through the linkage of multiple transmission structures, the driving device reduces the speed, thereby decelerating the flywheel, shortening the downtime, and reducing the oil film rupture of the bearings and bearings when operating at low speeds.

Benefits of technology

It effectively shortens downtime, reduces the wear risk of bearings and bearing shells, reduces operating and maintenance costs, and improves the safe operation level of hydropower stations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222977290U_ABST
    Figure CN222977290U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of horizontal type holding and clamping braking equipment, in particular to a horizontal type holding and clamping braking device. According to the technical scheme, the horizontal clamping brake device comprises a brake device body, a mounting assembly, a connecting assembly, a moving assembly, a clamping assembly, a limiting assembly, a speed reduction assembly, a connecting block, a limiting rod, a mounting guide rail, an initial position detection switch, a displacement sensor and a limit position detection switch. Compared with a hydraulic generator in a traditional horizontal holding and clamping braking device which is arranged on the ground of a plant, the hydraulic generator is braked by directly abutting against a flywheel through a wooden stick, due to the fact that a unit rotating part of a hydropower station is large in weight, the shutdown process is long, and a bearing, a bearing bush and a runner plate of the hydraulic generator run for a long time at a low speed. According to the horizontal clamping braking device, linkage is achieved through multiple transmission structures, the device can be driven in a transmission linkage mode to decelerate so as to decelerate the flywheel, and the operation and maintenance cost is reduced. Meanwhile, the safe operation level of the hydropower station is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of horizontal clamping and braking equipment, in particular to a horizontal clamping and braking device. Background Art

[0002] With the continuous development of economic construction and modern science and technology, hydropower stations are also being improved in the direction of intelligence. The rotating part of the hydropower station unit has a large weight, so its moment of inertia is also large. During the shutdown process, if no braking is applied and it is allowed to freely coast to a complete stop, the shutdown process will be very long.

[0003] In the existing horizontal clamping and braking device, the water turbine generator is placed on the factory floor, and its braking uses a wooden stick to directly top the flywheel for braking. Since the rotating part of the hydropower station unit has a large weight, its moment of inertia is also large. During the shutdown process, if no braking is applied and it is allowed to freely coast to a complete stop, the shutdown process will be very long, and its bearings, bearing bushes and mirror plates will run at a low speed for too long, which is likely to cause the breakdown of the oil film of the bearing bush, resulting in the burning out of the bearing bush.

[0004] Aiming at the problem that in the existing horizontal clamping and braking device, the water turbine generator is placed on the factory floor and its braking uses a wooden stick to directly top the flywheel for braking, which is not convenient for decelerating and stopping, this horizontal clamping and braking device can drive the device to decelerate through the linkage of multiple transmission structures, so as to decelerate the flywheel, shorten the shutdown time in the most scientific way, reduce the breakdown of the oil film of the bearing bush caused by the long-term low-speed operation of the bearings and bearing bushes, reduce the operation and maintenance cost, and improve the safe operation level of the hydropower station at the same time. Content of the Utility Model

[0005] In order to overcome the problem that during the drilling process of doors and windows, a large amount of waste chips generated during the drilling process will affect the normal operation of the drilling device. When using intermittent cleaning, it is difficult to prevent the accumulation of waste chips. When using continuous cleaning, it often leads to an increase in the use cost of the entire drilling device.

[0006] The technical solution of the utility model is as follows: a horizontal clamping and braking device, which includes a braking device main body, an installation component, a connection component, a moving component, a clamping component, a limiting component, a deceleration component, a connection block, a limiting rod, an installation guide rail, an initial position detection switch, a displacement sensor, and an extreme position detection switch. An installation component is arranged on one side of the braking device main body, a connection component is arranged at the top end of the braking device main body, a moving component is arranged at one end of the connection component, a clamping component is arranged at one end of the moving component, a limiting component is arranged at the other end of the moving component, a deceleration component is arranged inside the braking device main body, connection blocks are arranged on both sides of the deceleration component, a limiting rod is arranged on the outer side of the connection block, an installation guide rail is arranged on one side of the limiting rod, an extreme position detection switch is arranged at one end of the limiting rod, an initial position detection switch is arranged on one side of the extreme position detection switch, and a displacement sensor is arranged on one side of the initial position detection switch.

[0007] Preferably, the installation component protects the inside of the braking device main body, the connection component installs the moving component, the moving component drives the clamping component to move, the clamping component clamps the flywheel, the limiting component limits the connection block, the deceleration component performs braking and deceleration operations, the connection block connects the limiting component and the deceleration component, the limiting rod limits the connection block, the installation guide rail conducts guiding operations, the initial position detection switch sets the initial displacement position, the displacement sensor detects the length of the displacement, and the extreme position detection switch sets the extreme displacement position.

[0008] Preferably, the installation component includes an installation baffle and installation bolts. An installation baffle is arranged on one side of the braking device main body, and installation bolts are arranged on the surface of the installation baffle. There are multiple groups of installation bolts.

[0009] Preferably, the connection component includes a connection bracket and a connecting rod. A connection bracket is arranged at the top end of the braking device main body, and a connecting rod is sleeved outside the connection bracket.

[0010] Preferably, the moving component includes a limiting baffle, a damping telescopic rod, a decompression spring, an adjustment groove, and a limiting bolt. A limiting baffle is arranged on one side of the connection bracket, a damping telescopic rod is arranged on one side of the connecting rod, a decompression spring is sleeved outside the damping telescopic rod, multiple adjustment grooves are formed inside the connection bracket, and a limiting bolt is arranged outside the connecting rod.

[0011] Preferably, the clamping component includes an installation backing plate and a clamping piston. An installation backing plate is arranged at one end of the damping telescopic rod, and a clamping piston is arranged on one side of the installation backing plate.

[0012] Preferably, the limiting component includes a fixed bracket and a limiting groove. A fixed bracket is arranged at the bottom end of the connecting rod, and a limiting groove is formed on the surface of the fixed bracket.

[0013] Preferably, the deceleration assembly includes a reducer main body and a reducer output shaft. The reducer main body is disposed on one side of the brake device main body, and the reducer output shafts are disposed on both sides of the reducer main body.

[0014] Advantages of the present utility model:

[0015] 1. Compared with traditional horizontal clamping brake devices where the water turbines of hydro generators are all placed on the plant floor and the braking is achieved by directly propping the flywheel with wooden sticks. Since the rotating parts of the hydro turbine units in hydropower stations have a large weight, their moment of inertia is also large. During the shutdown process, if not braked and allowed to freely coast to a complete stop, the shutdown process will be very long. The bearings, bearing bushes, and mirror plates will operate at low speeds for too long, easily causing the breakdown of the oil film of the bearing bushes, resulting in the burning out of the bearing bushes. This horizontal clamping brake device can drive the device to decelerate through the linkage of multiple transmission structures, thereby decelerating the flywheel, shortening the shutdown time in the most scientific way, reducing the breakdown of the oil film of the bearing bushes caused by long-term low-speed operation of the bearings and bearing bushes, reducing the operation and maintenance costs, and improving the safe operation level of the hydropower station at the same time. Description of the Drawings

[0016] Figure 1 Shown is the first three-dimensional structure schematic diagram of the horizontal clamping brake device of the present utility model;

[0017] Figure 2 Shown is the second three-dimensional structure schematic diagram of the horizontal clamping brake device of the present utility model;

[0018] Figure 3 Shown is the internal three-dimensional structure schematic diagram of the horizontal clamping brake device of the present utility model;

[0019] Figure 4 Shown is the partial three-dimensional structure schematic diagram of the horizontal clamping brake device of the present utility model;

[0020] Description of the reference numerals: 1. Brake device main body; 201. Mounting baffle; 202. Mounting bolt; 301. Connecting bracket; 302. Connecting rod; 401. Limit baffle; 402. Damping telescopic rod; 403. Decompression spring; 404. Adjusting groove; 405. Limit bolt; 501. Mounting cushion plate; 502. Clamping piston; 601. Fixed bracket; 602. Limit groove; 701. Reducer main body; 702. Reducer output shaft; 801. Connecting block; 802. Limit rod; 803. Mounting guide rail; 804. Initial position detection switch; 805. Displacement sensor; 806. Extreme position detection switch. Detailed implementation manners

[0021] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] Please refer to Figures 1-4 , the present utility model provides an embodiment: a horizontal clamping and braking device, which includes a braking device main body 1, a mounting assembly, a connecting assembly, a moving assembly, a clamping assembly, a limiting assembly, a deceleration assembly, a connecting block 801, a limiting rod 802, a mounting guide rail 803, an initial position detection switch 804, a displacement sensor 805, and an extreme position detection switch 806. A mounting assembly is provided on one side of the braking device main body 1, a connecting assembly is provided at the top of the braking device main body 1, a moving assembly is provided at one end of the connecting assembly, a clamping assembly is provided at one end of the moving assembly, a limiting assembly is provided at the other end of the moving assembly, a deceleration assembly is provided inside the braking device main body 1, connecting blocks 801 are provided on both sides of the deceleration assembly, a limiting rod 802 is provided on the outer side of the connecting block 801, a mounting guide rail 803 is provided on one side of the limiting rod 802, an extreme position detection switch 806 is provided at one end of the limiting rod 802, an initial position detection switch 804 is provided on one side of the extreme position detection switch 806, and a displacement sensor 805 is provided on one side of the initial position detection switch 804.

[0023] Preferably, the interior of the braking device main body 1 is protected by the mounting assembly, the moving assembly is installed by the connecting assembly, the clamping assembly is driven to move by the moving assembly, the flywheel is clamped by the clamping assembly, the connecting block 801 is limited by the limiting assembly, braking and decelerating operations are performed by the deceleration assembly, the limiting assembly and the deceleration assembly are connected by the connecting block 801, the connecting block 801 is limited by the limiting rod 802, guiding operations are performed by the mounting guide rail 803, the initial position of the displacement is set by the initial position detection switch 804, the length of the displacement is detected by the displacement sensor 805, and the extreme position of the displacement is set by the extreme position detection switch 806.

[0024] Please refer to Figures 1-4, in this embodiment, the installation component includes an installation baffle 201 and installation bolts 202. An installation baffle 201 is provided on one side of the main body 1 of the braking device, and installation bolts 202 are provided on the surface of the installation baffle 201. There are multiple groups of installation bolts 202. During use, the interior of the main body 1 of the braking device is protected by the installation baffle 201. Through the installation bolts 202, the connection component includes a connection bracket 301 and a connecting rod 302. A connection bracket 301 is provided at the top of the main body 1 of the braking device, and a connecting rod 302 is sleeved outside the connection bracket 301. During use, the connecting rod 302 is installed by the connection bracket 301, and the limiting component and the moving component are connected through the connecting rod 302. The moving component includes a limiting baffle 401, a damping telescopic rod 402, a decompression spring 403, an adjustment groove 404, and a limiting bolt 405. A limiting baffle 401 is provided on one side of the connection bracket 301, a damping telescopic rod 402 is provided on one side of the connecting rod 302, a decompression spring 403 is sleeved outside the damping telescopic rod 402, an adjustment groove 404 is opened inside the connection bracket 301, there are multiple groups of adjustment grooves 404, and a limiting bolt 405 is provided outside the connecting rod 302. During use, the damping telescopic rod 402 is blocked by the limiting baffle 401, the clamping component is driven to expand and contract by the damping telescopic rod 402, part of the pressure is absorbed by the compression of the decompression spring 403 to prevent the clamping component from being locked, the limiting bolt 405 is placed through the adjustment groove 404, and the connecting rod 302 is limited by the limiting bolt 405.

[0025] The clamping component includes an installation backing plate 501 and a clamping piston 502. An installation backing plate 501 is provided at one end of the damping telescopic rod 402, and a clamping piston 502 is provided on one side of the installation backing plate 501. During use, the clamping piston 502 is installed by the installation backing plate 501, and the flywheel is clamped and decelerated by the clamping piston 502. The limiting component includes a fixed bracket 601 and a limiting groove 602. A fixed bracket 601 is provided at the bottom end of the connecting rod 302, and a limiting groove 602 is opened on the surface of the fixed bracket 601. During use, the moving component and the connecting block 801 are connected by the fixed bracket 601, and the limiting rod 802 is limited by the limiting groove 602. The deceleration component includes a reducer main body 701 and a reducer output shaft 702. A reducer main body 701 is provided on one side of the main body 1 of the braking device, and reducer output shafts 702 are provided on both sides of the reducer main body 701. During use, deceleration operation is performed by the reducer main body 701, and the reducer main body 701 and the connecting block 801 are connected through the reducer output shaft 702.

[0026] When working, the interior of the braking device main body 1 is protected by installing a baffle 201. The connecting rod 302 is installed through a mounting bolt 202 and a connecting bracket 301. The limiting component and the moving component are connected through the connecting rod 302. The damping telescopic rod 402 is blocked by a limiting baffle 401. The clamping component is driven to expand and contract by the damping telescopic rod 402. Part of the pressure is compressed and absorbed by a decompression spring 403 to prevent the clamping component from being locked. The limiting bolt 405 is placed through an adjustment groove 404, and the connecting rod 302 is limited by the limiting bolt 405;

[0027] Meanwhile, the clamping piston 502 is installed through a mounting pad 501. The flywheel is clamped and decelerated by the clamping piston 502. The moving component and the connecting block 801 are connected through a fixed bracket 601. The limiting rod 802 is limited through a limiting groove 602. A deceleration operation is performed through a reducer main body 701. The reducer output shaft 702 connects the reducer main body 701 and the connecting block 801;

[0028] Meanwhile, the connecting block 801 is limited by the limiting component. A braking and decelerating operation is performed through a deceleration component. The limiting component and the deceleration component are connected through the connecting block 801. The connecting block 801 is limited by the limiting rod 802. A guiding operation is performed through a mounting guide rail 803. The initial position of the displacement is set through an initial position detection switch 804. The length of the displacement is detected through a displacement sensor 805. The limit position of the displacement is set through a limit position detection switch 806.

[0029] Through the above steps, the interior of the braking device main body 1 is protected through an installation component. The moving component is installed through a connecting component. The clamping component is driven to move through the moving component. The flywheel is clamped by the clamping component. The connecting block 801 is limited by the limiting component. A braking and decelerating operation is performed through a deceleration component.

[0030] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made without departing from the gist of the present invention within the knowledge scope of those skilled in the art.

Claims

1. A horizontal clamping brake device, comprising a brake device body (1); characterized in that: The brake device also includes a mounting assembly, a connecting assembly, a moving assembly, a clamping assembly, a limiting assembly, a deceleration assembly, a connecting block (801), a limiting rod (802), a mounting rail (803), an initial position detection switch (804), a displacement sensor (805) and an extreme position detection switch (806). The braking device body (1) is provided with a mounting assembly on one side, a connecting assembly is provided on the top of the braking device body (1), a moving assembly is provided on one end of the connecting assembly, a clamping assembly is provided on one end of the moving assembly, and a A limit assembly, wherein a deceleration assembly is arranged on the inner side of a brake device body (1), connecting blocks (801) are arranged on both sides of the deceleration assembly, a limit rod (802) is arranged on the outer side of the connecting block (801), a mounting guide rail (803) is arranged on one side of the limit rod (802), a limit position detection switch (806) is arranged at one end of the limit rod (802), an initial position detection switch (804) is arranged on one side of the limit position detection switch (806), and a displacement sensor (805) is arranged on one side of the initial position detection switch (804).

2. The horizontal clamping brake device according to claim 1, characterized in that: The mounting assembly comprises a mounting baffle (201) and mounting bolts (202); the mounting baffle (201) is arranged on one side of the braking device body (1); the mounting bolts (202) are arranged on the surface of the mounting baffle (201); and a plurality of groups of mounting bolts (202) are arranged.

3. The horizontal clamping brake device according to claim 1, characterized in that: The connection assembly comprises a connection bracket (301) and a connection rod (302); the connection bracket (301) is arranged at the top end of the braking device body (1); and the connection rod (302) is sleeved on the outer side of the connection bracket (301).

4. The horizontal clamping brake device according to claim 3 is characterized in that: The moving assembly comprises a limit baffle (401), a damping telescopic rod (402), a pressure relief spring (403), an adjustment slot (404) and a limit bolt (405); a limit baffle (401) is arranged on one side of the connecting bracket (301); a damping telescopic rod (402) is arranged on one side of the connecting rod (302); a pressure relief spring (403) is sleeved on the outer side of the damping telescopic rod (402); an adjustment slot (404) is provided on the inner side of the connecting bracket (301); a plurality of adjustment slots (404) are provided; and a limit bolt (405) is provided on the outer side of the connecting rod (302).

5. The horizontal clamping brake device according to claim 4 is characterized in that: The clamping assembly comprises a mounting pad (501) and a clamping piston (502); one end of the damping telescopic rod (402) is provided with the mounting pad (501), and one side of the mounting pad (501) is provided with the clamping piston (502).

6. The horizontal clamping brake device according to claim 3 is characterized in that: The limiting assembly comprises a fixed bracket (601) and a limiting groove (602); the bottom end of the connecting rod (302) is provided with the fixed bracket (601), and the limiting groove (602) is provided on the surface of the fixed bracket (601).

7. The horizontal clamping brake device according to claim 1, characterized in that: The reduction assembly comprises a reduction gear main body (701) and a reduction gear output shaft (702); the reduction gear main body (701) is arranged on one side of the brake device main body (1), and the reduction gear output shaft (702) is arranged on both sides of the reduction gear main body (701).