CN212230624U - Carbon brush pressing plate group of high-speed motor car gear box grounding device - Google Patents

Abstract

The utility model relates to the technical field of a motor car grounding device, in particular to a carbon brush pressing plate group of a high-speed motor car gear box grounding device, which comprises a pressing plate, wherein a pressing rod is arranged above the pressing plate, the bottom of the pressing plate is symmetrically and fixedly connected with a side clapboard, the center of the bottom of the pressing plate is fixedly connected with an intermediate clapboard, a roller is arranged between the side clapboard and the intermediate clapboard, the roller is rotationally connected with a pin shaft, two ends of the pin shaft pass through the side clapboard and are rotationally connected with the side clapboard and the intermediate clapboard, the pin shaft is connected with a clamping component fixedly connected with the side clapboard, the pressing rod is connected with a buffer component fixedly connected with the pressing plate, the device solves the problems that the carbon brush pressing plate group of the existing high-speed motor car gear box grounding device is troublesome to disassemble and assemble and replace parts by, the disassembly and assembly are simple and convenient, no special tool is needed, and the time-saving and labor-saving effects are achieved.

Description

Carbon brush pressing plate group of high-speed motor car gear box grounding device

Technical Field

The utility model relates to a motor car earthing device technical field specifically is a high-speed motor car gear box earthing device's carbon brush clamp plate group.

Background

With the development of economy and the acceleration of industrialization, the requirements on transportation are higher and higher, and the high-speed motor train unit has the advantages of high speed per hour, large transportation capacity and the like, so that the high-speed motor train unit is widely applied to long-distance transportation. The motor train unit gearbox is a key part for ensuring continuous and stable operation of a high-speed motor train unit and is mainly used for driving a bogie.

The high-speed motor train unit gear box grounding device has the main functions of avoiding the electric corrosion of the high-speed rail axle caused by leakage current and ensuring the running safety of a motor train unit. The existing gear box grounding device mainly comprises a grounding box, a carbon brush pressing plate assembly, a spring assembly, a fixing plate, an observation window, a carbon brush supporting frame and the like.

The carbon brush pressing plate assembly and the spring assembly realize the fixed load pressure and vertical positioning of the carbon brush, and ensure the tight connection of the carbon brush and the axle, but the carbon brush pressing plate assembly of the existing high-speed motor car gearbox grounding device has the defects of troublesome disassembly and assembly, and needs to be replaced by a special tool when parts are damaged and replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed motor car gear box earthing device's carbon brush clamp plate group aims at solving the dismouting trouble that current high-speed motor car gear box earthing device's carbon brush clamp plate group exists, need adopt special frock to carry out the problem of changing when the part damage is changed.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a carbon brush clamp plate group of high-speed motor car gear box earthing device, includes the clamp plate, the clamp plate top is equipped with the depression bar, the symmetrical fixedly connected with side baffle in clamp plate bottom, clamp plate bottom center department fixedly connected with intermediate bottom, be equipped with the gyro wheel between side baffle and the intermediate bottom, the gyro wheel rotates and is connected with the round pin axle, the round pin axle both ends are passed the side baffle and are rotated with side baffle, intermediate bottom and be connected, the round pin hub connection have with side baffle fixed connection's clamping component, the depression bar connection have with clamp plate fixed connection's buffering subassembly.

As a further aspect of the present invention: the length of the roller is equal to the distance between the side partition plate and the middle partition plate.

As a further aspect of the present invention: the side baffle is equipped with first via hole, intermediate bottom is equipped with the second via hole, first via hole, second via hole and gyro wheel hole size equal.

As a further aspect of the present invention: the clamping assembly comprises a fixing seat fixedly connected with the side partition plate, a telescopic piece fixedly connected with the fixing seat, a first rack fixedly connected with the telescopic piece, a first clamping block fixedly connected with the end portion of the first rack and in contact with the pin shaft, gears symmetrically meshed with the first rack, a fixed shaft fixedly connected with the gears, a bearing and the side partition plate fixedly connected with the fixed shaft, a second rack meshed with the gears, a first slider fixedly connected with the second rack, a sliding rail fixedly connected with the side partition plate, a clamping rod fixedly connected with the clamping rod, and a second clamping block fixedly connected with the pin shaft.

As a further aspect of the present invention: the buffering component comprises baffles which are symmetrically and fixedly connected with the pressing plate, the baffles are fixedly connected with springs, the springs are fixedly connected with second sliders which are connected with the pressing plate in a sliding mode, the second sliders are hinged to first connecting rods, the first connecting rods are hinged in a crossed mode, the center of each hinged point is the center of each first connecting rod, the other ends of the first connecting rods are hinged to second connecting rods, and the second connecting rods are hinged to supporting plates which are fixedly connected with the pressing rods.

Compared with the prior art, the beneficial effects of the utility model are that: the device is characterized in that a carbon brush pressing plate group consists of a pressing plate, a side clapboard, a middle clapboard, a roller and a pin shaft, wherein the pin shaft is rotationally connected with the side clapboard, the middle clapboard and the roller, the pin shaft is clamped by a clamping assembly, the pin shaft is prevented from shaking in the high-speed operation process of the motor car so as to cause damage, the pin shaft is loosened by the clamping assembly during disassembly, the roller and the pin shaft are taken out, the disassembly and the assembly are simple and convenient, special tools are not needed, the time-saving and labor-saving effects are achieved, the pressing rod is further ensured to be in close contact with the carbon brush through a buffer assembly, the fixed load pressure and the vertical positioning of the carbon brush are realized, the device solves the problems that the disassembly and the assembly of the carbon brush pressing plate group of the existing high-speed motor car gear box grounding device are troublesome, and the special tools are needed to replace, the effects of time saving and labor saving are achieved.

Drawings

FIG. 1 is a structural diagram of a carbon brush pressing plate group of a high-speed bullet train gearbox grounding device;

FIG. 2 is a block diagram of a clamp assembly;

fig. 3 is a view from a in fig. 2.

In the figure: 1. pressing a plate; 2. a side partition plate; 3. a middle partition plate; 4. a first via hole; 5. a second via hole; 6. a roller; 7. a pin shaft; 8. a clamping assembly; 9. a baffle plate; 10. a spring; 11. a second slider; 12. a first link; 13. a second link; 14. a support plate; 15. a pressure lever; 801. a fixed seat; 802. a telescoping member; 803. a first rack; 804. a first clamping block; 805. a gear; 806. a fixed shaft; 807. a second rack; 808. a first slider; 809. a slide rail; 810. a clamping rod; 811. and a second clamping block.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, a carbon brush pressing plate set of a high-speed motor car gear box grounding device includes a pressing plate 1, a pressing rod 15 is disposed above the pressing plate 1, a side partition plate 2 is symmetrically and fixedly connected to the bottom of the pressing plate 1, a middle partition plate 3 is fixedly connected to the center of the bottom of the pressing plate 1, a roller 6 is disposed between the side partition plate 2 and the middle partition plate 3, the roller 6 is rotatably connected to a pin shaft 7, two ends of the pin shaft 7 pass through the side partition plate 2 and are rotatably connected to the side partition plate 2 and the middle partition plate 3, the pin shaft 7 is connected to a clamping assembly 8 fixedly connected to the side partition plate 2, and the pressing rod 15 is connected to a.

The utility model discloses an in the embodiment, carbon brush clamp plate group is by clamp plate 1, side baffle 2, intermediate bottom 3, gyro wheel 6 and round pin axle 7 constitute, round pin axle 7 and side baffle 2, intermediate bottom 3, gyro wheel 6 rotates to be connected, press from both sides tightly round pin axle 7 through clamping component 8, prevent that motor car high-speed operation in-process round pin axle 7 from rocking, thereby cause the damage, clamping component 8 loosens round pin axle 7 during the dismantlement, take out gyro wheel 6 and round pin axle 7, make the dismouting simple and convenient, do not need special frock, labour saving and time saving's effect has been reached, through buffering subassembly, further ensure depression bar 15 and carbon brush in close contact with, the realization is to the constant load pressure and the vertical location of carbon brush.

Example 2

Referring to fig. 1, in the embodiment of the present invention, the length of the roller 6 is equal to the distance between the side partition 2 and the middle partition 3.

The utility model discloses an in the embodiment, set up 6 length of gyro wheel and the side shield 2 and the middle space shield 3 between the interval size equal, prevent that the motor car from moving in high-speed operation process gyro wheel 6, with the contact of side shield 2 and middle space shield 3 to cause the damage.

Example 3

Referring to fig. 1, in an embodiment of the present invention, the side partition plate 2 is provided with a first via hole 4, the middle partition plate 3 is provided with a second via hole 5, and the sizes of the inner holes of the first via hole 4, the second via hole 5 and the roller 6 are equal.

The utility model discloses an in the embodiment, offside baffle 2, intermediate bottom 3 and gyro wheel 6 are injectd, and the round pin axle 7 of being convenient for passes through first via hole 4, second via hole 5 and 6 holes of gyro wheel smoothly.

Example 4

Referring to fig. 1-3, in the embodiment of the present invention, the clamping assembly 8 includes a fixing base 801 fixedly connected to the side partition 2, the fixed seat 801 is fixedly connected with an expansion piece 802, the expansion piece 802 is fixedly connected with a first rack 803, a first clamping block 804 in contact with the pin 7 is fixedly connected to the end of the first rack 803, the first rack 803 is symmetrically engaged with a gear 805, the gear 805 is fixedly connected with a fixed shaft 806, the fixed shaft 806 is fixedly connected with the side partition 2 through a bearing, the gear 805 is engaged with a second rack 807, a first sliding block 808 is fixedly connected with the second rack 807, a sliding rail 809 fixedly connected with the side clapboard 2 is connected with the first sliding block 808 in a sliding way, the second rack 807 is fixedly connected with a clamping rod 810, and the clamping rod 810 is fixedly connected with a second clamping block 811 contacting with the pin 7.

In the embodiment of the present invention, the telescopic member 802 works to drive the first rack 803 and the first clamping block 804 to move forward, the first rack 803 is engaged with the gear 805 to drive the gear 805 to be engaged with the second rack 807, the second rack 807 and the first slider 808 slide backward along the slide rail 809 to drive the clamping rod 810 and the second clamping block 811 to move backward until the first clamping block 804 and the two second clamping blocks 811 contact the pin 7 to clamp the pin 7, so as to prevent the pin 7 from shaking during the high-speed operation of the bullet train, thereby causing damage; a fixed seat 801 is arranged, and the contact height of the first clamping block 804 and the second clamping block 811 and the pin shaft 7 is changed; the telescopic piece 802 is a telescopic rod or a cylinder and other parts with telescopic functions; a fixed shaft 806 is arranged to fix and support the gear 805, so that the movement stability is ensured; in this embodiment, the heights of the first clamping block 804 and the two second clamping blocks 811 are different, so that interference is avoided, the surfaces of the first clamping block 804 and the second clamping blocks 811 are arranged into V-shaped grooves, the contact area between the first clamping block 804 and the pin shaft 7 is increased, and the pin shaft 7 is clamped more firmly and reliably.

Example 5

Referring to fig. 1, in an embodiment of the present invention, the buffering assembly includes a baffle 9 symmetrically and fixedly connected to the pressing plate 1, the baffle 9 is fixedly connected to a spring 10, the spring 10 is fixedly connected to a second slider 11 slidably connected to the pressing plate 1, the second slider 11 is hinged to a first connecting rod 12, two of the first connecting rods 12 are hinged in a cross manner, a hinged center is a center of the first connecting rod 12, the other end of the first connecting rod 12 is hinged to a second connecting rod 13, and two of the second connecting rods 13 are hinged to a supporting plate 14 fixedly connected to a pressing rod 15.

The embodiment of the utility model provides an in, when depression bar 15 received the carbon brush effort, drive second connecting rod 13 through backup pad 14 and rotate, and then drive first connecting rod 12 and rotate, first connecting rod 12 drives second slider 11 and slides along clamp plate 1, and second slider 11 exerts the effort to spring 10 and baffle 9, and spring 10 receives the extrusion energy storage, to second slider 11 reaction force, thereby make depression bar 15 reach balanced, ensure depression bar 15 and carbon brush in close contact with, realize the constant load pressure and the vertical location to the carbon brush.

The utility model discloses a theory of operation is: the carbon brush pressing plate group comprises a pressing plate 1, a side partition plate 2, a middle partition plate 3, a roller 6 and a pin shaft 7, wherein the pin shaft 7 is rotatably connected with the side partition plate 2, the middle partition plate 3 and the roller 6, the telescopic piece 802 works to drive the first rack 803 and the first clamping block 804 to move forwards, the first rack 803 is meshed with the gear 805 to drive the gear 805 to be meshed with the second rack 807, the second rack 807 and the first sliding block 808 slide backwards along the sliding rail 809 to drive the clamping rod 810 and the second clamping block 811 to move backwards until the first clamping block 804 and the two second clamping blocks 811 are contacted with the pin shaft 7 to clamp the pin shaft 7, so that the pin shaft 7 is prevented from shaking during the high-speed running process of the motor car to cause damage and inversion, the telescopic piece 802 works to drive the first rack 803 and the first clamping block 804 to move backwards, the pin shaft 7 is loosened, the roller 6 and the pin shaft 7 are taken out, and the dismounting is simple and convenient, need not special frock, the effect of labour saving and time saving has been reached, when depression bar 15 received the carbon brush effort, drive second connecting rod 13 through backup pad 14 and rotate, and then drive first connecting rod 12 and rotate, first connecting rod 12 drives second slider 11 and slides along clamp plate 1, second slider 11 applys the effort to spring 10 and baffle 9, spring 10 receives the extrusion energy storage, to second slider 11 reaction force, thereby make depression bar 15 reach the balance, ensure depression bar 15 and carbon brush in close contact with, realize the constant load pressure and the vertical location to the carbon brush.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (5)

1. The utility model provides a high-speed motor car gear box earthing device's carbon brush clamp plate group, includes clamp plate (1), clamp plate (1) top is equipped with depression bar (15), clamp plate (1) bottom symmetry fixedly connected with side baffle (2), clamp plate (1) bottom center department fixedly connected with intermediate bottom (3), be equipped with gyro wheel (6) between side baffle (2) and intermediate bottom (3), gyro wheel (6) rotate and are connected with round pin axle (7), round pin axle (7) both ends are passed side baffle (2) and are rotated with side baffle (2), intermediate bottom (3) and be connected, its characterized in that, round pin axle (7) are connected with clamping component (8) with side baffle (2) fixed connection, depression bar (15) are connected with the buffer unit with clamp plate (1) fixed connection.

2. The carbon brush pressing plate set of the high-speed motor car gearbox grounding device according to claim 1, characterized in that the length of the roller (6) is equal to the distance between the side partition plate (2) and the middle partition plate (3).

3. The carbon brush pressing plate group of the high-speed bullet train gearbox grounding device is characterized in that the side partition plate (2) is provided with a first through hole (4), the middle partition plate (3) is provided with a second through hole (5), and the inner holes of the first through hole (4), the second through hole (5) and the roller (6) are equal in size.

4. The carbon brush pressing plate group of the high-speed motor train gearbox grounding device according to claim 3, wherein the clamping assembly (8) comprises a fixed seat (801) fixedly connected with the side partition plate (2), the fixed seat (801) is fixedly connected with an expansion piece (802), the expansion piece (802) is fixedly connected with a first rack (803), the end of the first rack (803) is fixedly connected with a first clamping block (804) contacted with a pin shaft (7), the first rack (803) is symmetrically engaged with a gear (805), the gear (805) is fixedly connected with a fixed shaft (806), the fixed shaft (806) is fixedly connected with the side partition plate (2) through a bearing, the gear (805) is engaged with a second rack (807), the second rack (807) is fixedly connected with a first sliding block (808), the first sliding block (808) is slidably connected with a sliding rail (809) fixedly connected with the side partition plate (2), the second rack (807) is fixedly connected with a clamping rod (810), and the clamping rod (810) is fixedly connected with a second clamping block (811) which is in contact with the pin shaft (7).

5. The carbon brush pressure plate group of the high-speed bullet train gear box grounding device according to claim 4, wherein the buffer assembly comprises baffle plates (9) symmetrically fixedly connected with the pressure plate (1), the baffle plates (9) are fixedly connected with springs (10), the springs (10) are fixedly connected with second sliding blocks (11) in sliding connection with the pressure plate (1), the second sliding blocks (11) are hinged with first connecting rods (12), two first connecting rods (12) are hinged in a crossed manner, the hinged center is the center of the first connecting rods (12), the other ends of the first connecting rods (12) are hinged with second connecting rods (13), and two second connecting rods (13) are hinged together with a support plate (14) fixedly connected with the pressure rod (15).

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