An assembly fixture for a time delay brake control valve assembly

Abstract

The utility model relates to a kind of assembly tool of time-delay brake control valve combination, comprising: positioning plate, connecting shaft for providing installation base is set on the positioning plate, deep groove ball bearing for connecting rotary plate is set on the connecting shaft, rotary plate for rotation is set on the deep groove ball bearing and connecting shaft, and the press plate for the axial limit of time-delay brake control valve block is set on the rotary plate and is connected with connecting shaft. The utility model adjusts the existing fixed mode, and can realize the fixed-angle rotation of assembly body, and the assembly of overall combination can be completed by once fixing, and the quick and convenient of fixed assembly body is guaranteed by controlling press plate limit.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic component manufacturing technology, and in particular to the assembly tooling for a time-delay brake control valve assembly. Background Technology

[0002] The delayed braking control valve assembly is a core component of the hydraulic rotary drive device. It consists of a valve core, a delayed braking control valve block, plugs, and sealing rings. The valve core needs to be assembled into the delayed braking control valve block. The valve core holes are sealed with plugs at both ends using O-rings, and the remaining valve core holes are sealed with tapered thread plugs. The plugs must be tightened to the specified torque to prevent oil leakage. Since the delayed braking control valve assembly requires assembly on all four sides, workers must ensure the delayed braking control valve block is both fixed and rotatable during assembly. This cumbersome process affects assembly efficiency and production progress, and also results in significant labor intensity for workers. Utility Model Content

[0003] In view of this, the present invention proposes an assembly fixture for a time-delay braking control valve assembly, which aims to solve the problems existing in the prior art.

[0004] Specifically, the assembly fixture for a time-delay braking control valve assembly according to this utility model includes:

[0005] Positioning plate;

[0006] A connecting shaft for providing a mounting base is provided on the positioning plate;

[0007] A deep groove ball bearing for connecting the rotating plate is provided on the connecting shaft;

[0008] A rotating plate for rotation is provided on the deep groove ball bearing and the connecting shaft;

[0009] A pressure plate, which is disposed on the rotating plate and connected to the connecting shaft, is used to axially limit the delay brake control valve block.

[0010] Based on the above scheme, the pressure plate has an L-shaped structure;

[0011] The L-shaped structure includes a side wall for applying a pressing force toward the rotating plate to the delayed braking control valve block and a bottom wall for radially limiting the delayed braking control valve block.

[0012] When in use, the sidewall is not perpendicular to the horizontal plane.

[0013] Based on the above scheme, the bottom wall is fixed to the rotating plate by hexagonal screws and wing nuts.

[0014] Based on the above scheme, a second cylindrical pin is provided on one side of the short side of the L-shaped structure on the rotating plate to limit the rotation angle of the pressure plate.

[0015] Based on the above scheme, a number of ball sockets are evenly arranged on the side of the connecting shaft, and steel balls are placed on the ball sockets to limit the rotation angle of the rotating plate.

[0016] Based on the above scheme, it also includes: a spring and a screw plug radially arranged inside the rotating plate to press the steel ball into the ball socket.

[0017] Based on the above scheme, it also includes: a pad for pressing and holding the time-delay braking control valve block on the connecting shaft.

[0018] Based on the above scheme, it also includes: a soft rubber gasket provided on the pad plate for protecting the time-delay braking control valve block.

[0019] Based on the above scheme, it also includes: a pressure plate disposed on the rotating plate and located at the end of the connecting shaft for axially limiting the rotating plate.

[0020] Based on the above scheme, a flat key is provided on the surface where the positioning plate and the connecting shaft mate to prevent the connecting shaft from rotating radially on the positioning plate.

[0021] Compared with existing solutions, this invention uses deep groove ball bearings, steel balls, and springs to connect the positioning plate and the rotating plate, ensuring that the delayed braking control valve block can rotate at a fixed angle while remaining stationary. This effectively solves the problem of high labor intensity for workers assembling the delayed braking control valve assembly and greatly improves assembly efficiency. Furthermore, this tooling is simple in structure, easy to manufacture, low in cost, and reusable. Attached Figure Description

[0022] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0023] Figure 1 This is a schematic diagram of the assembly fixture for the time-delay braking control valve assembly of this utility model;

[0024] Figure 2 This is a schematic diagram of the assembly fixture for the time-delay braking control valve assembly of this utility model (showing the movement trajectory of the pressure plate);

[0025] Figure 3 for Figure 2 BB-direction sectional view;

[0026] Figure 4 This is a schematic diagram of the connecting shaft of this utility model;

[0027] Figure 5 This is a schematic diagram of the positioning plate of this utility model (showing the installation position of the flat key). Detailed Implementation

[0028] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the disclosure to those skilled in the art. It should be noted that, unless otherwise specified, embodiments and features of the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] like Figures 1-3 As shown, this application provides a specific embodiment of an assembly fixture for a time-delay braking control valve assembly, the assembly fixture comprising:

[0030] Positioning plate 1;

[0031] A connecting shaft 14 is provided on the positioning plate 1 to provide a mounting base; specifically, as a core connecting component, it is connected to the deep groove ball bearing 2, the positioning plate 1, etc., to provide a mounting base for other components, and the flat key 15 can prevent the connecting shaft 14 from rotating radially.

[0032] A deep groove ball bearing 2 for connecting the rotating plate 3 is provided on the connecting shaft 14; specifically, the inner ring of the deep groove ball bearing 2 is interference-fitted with the connecting shaft 14, and the outer ring is interference-fitted with the rotating plate 3, which plays a supporting and connecting role, so that the rotating plate 3 can rotate flexibly relative to the connecting shaft 14.

[0033] A rotating plate 3 for rotation is provided on the deep groove ball bearing 2 and the connecting shaft 14;

[0034] A pressure plate 7, which is mounted on the rotating plate 3 and connected to the connecting shaft 14, is used to axially limit the delay brake control valve block. Here, a first cylindrical pin 11 is designed to position the delay brake control valve block, and the pressure plate 7 is used to press the delay brake control valve block down, preventing axial movement of the delay brake control valve block. This part needs to be frequently disassembled.

[0035] Specifically, the pressure plate 7 has an L-shaped structure, which includes a side wall 7-1 and a bottom wall 7-2. In use, the side wall 7-1 is not perpendicular to the horizontal plane. The side wall 7-1 applies a pressing force towards the rotating plate 3 to the delayed braking control valve block. The bottom wall is fixed to the rotating plate 3 by hexagonal screws 8 and wing nuts 9, which can be easily disassembled and fixed using the wing nuts 9.

[0036] As a specific implementation scheme, a second cylindrical pin 16 is provided on one side of the bottom wall 7-2 of the L-shaped structure on the rotating plate 3 to limit the rotation angle of the pressure plate 7. Since the pressure plate 7 needs to be rotated open when disassembling the time-delay brake control valve block, installing the second cylindrical pin 16 near the pressure plate 7 can limit the rotation angle of the pressure plate 7 and make it easier to fix the time-delay brake control valve block.

[0037] To ensure that the rotating plate 3 does not simultaneously contact the inner and outer rings of the bearing, a groove smaller than the outer ring but larger than the inner ring is machined at the center of the rotating plate 3; since the delayed braking control valve block needs to be assembled on all four sides, the steel ball 6 is placed in the hole on the side of the rotating plate 3; Figure 4 As shown, several ball sockets 14-1 are evenly arranged circumferentially on the side of the connecting shaft 14. A spring 5 and a ZG1 / 4 screw plug 4 are used to fix the steel ball 6 in the ball sockets 14-1 of the connecting shaft 14, ensuring that the rotating plate 3 can rotate at a fixed angle, thus achieving the purpose of rotating the time-delay brake control valve block at a fixed angle. The spring 5, in cooperation with the steel ball 6 and the ZG1 / 4 screw plug 4, provides elasticity, fixing the position of the steel ball 6, thereby fixing the rotation angle of the rotating plate 3.

[0038] In use, firstly, the internal hexagonal screw 8 passes through the pre-drilled threaded hole in the rotating plate 3 from below, through the pressure plate 7, and finally a wing nut 9 is installed at the tail of the internal hexagonal screw 8; by tightening the wing nut 9, the pressure plate 7 is pressed down, thus fixing the time-delay brake control valve block; secondly, a ring of evenly distributed ball sockets 14-1 is machined on the connecting shaft 14, and the steel ball is fixed in the ball sockets 14-1 using the spring 5 and the ZG1 / 4 screw plug 4, ensuring that the rotating plate 3 can rotate at a fixed angle. A robotic arm can be used to assemble the required time-delay brake control valve block onto the tooling, and the pressure plate 7 is pressed down on the time-delay brake control valve block using PLC control.

[0039] like Figure 2 As shown, in a specific implementation, it also includes a pad 10 mounted on the connecting shaft 14 via an internal hexagon screw 13. This design facilitates later disassembly and maintenance. To prevent scratches on the delayed braking control valve block, it also includes a soft rubber gasket mounted on the pad 10.

[0040] To ensure that the rotating plate 3 does not detach axially, such as Figure 2As shown, it also includes a pressure plate 12 for axially limiting the rotating plate 3, which is disposed on the rotating plate 3 and located at the end of the connecting shaft 14. Specifically, the pressure plate 12 is fixed to the connecting shaft 14 using an internal hex screw 13.

[0041] like Figure 5 As shown, in order to prevent the connecting shaft 14 from being loosely fixed when assembling the delayed braking control valve block, a flat key 15 is designed here to ensure that the connecting shaft 14 will not rotate radially on the positioning plate 1 when assembling the delayed braking control valve block, thus ensuring the stability of the assembly.

[0042] During installation, first, the inner ring of the deep groove ball bearing 2 is interference-fitted with the connecting shaft 14 to ensure the bearing will not detach from the connecting shaft. Next, the rotating plate 3 is interference-fitted with the outer ring of the deep groove ball bearing 2. The rotating plate 3 has a groove machined in its center that is smaller than the outer ring and larger than the inner ring to prevent simultaneous contact with both the inner and outer rings. Then, the connecting shaft 14 is interference-fitted with the positioning plate 1 to restrict axial movement of the connecting shaft, and a flat key 15 is installed to prevent radial rotation. To fix the rotation angle, steel balls 6 are placed in the side holes of the rotating plate 3, and ball sockets are machined on the connecting shaft 14. Springs 5 ​​and ZG1 / 4 screw plugs 4 are used to fix the steel balls, ensuring a stable rotation angle. The pressure plate 12 is fixed to the connecting shaft 14 with hexagon socket screws 13 to prevent the rotating plate from axially detaching. The pad 10 is fixed to the rotating plate 3 with hexagon socket screws 13 for easy disassembly and maintenance later. A soft rubber pad is installed on the pad 10 to protect the mounting surface. The delayed braking control valve block is positioned using cylindrical pin 11, and pressure plate 7 presses down on the valve block to prevent axial movement. It is secured with hexagonal socket screws 8 and wing nuts 9 for easy disassembly. Finally, a second cylindrical pin 16 is installed near pressure plate 7 to limit its rotation angle, optimizing the fixing operation.

[0043] This utility model adjusts the existing fixing method and can realize the fixed angle rotation of the assembly. The assembly of the whole assembly can be completed in one fixing. The quick and convenient fixing of the assembly is ensured by controlling the pressure plate limit. It solves the problems of low efficiency and high labor intensity of workers when manually fixing and rotating the delay brake control valve block when assembling the delay brake control valve assembly in the prior art.

[0044] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An assembly fixture for a time-delay braking control valve assembly, characterized in that, include: Positioning plate (1); A connecting shaft (14) for providing a mounting base is provided on the positioning plate (1); A deep groove ball bearing (2) for connecting the rotating plate (3) is provided on the connecting shaft (14); A rotating plate (3) for rotation is provided on the deep groove ball bearing (2) and the connecting shaft (14); And a pressure plate (7) provided on the rotating plate (3) and connected to the connecting shaft (14) for axially limiting the delayed braking control valve block.

2. The assembly fixture for the time-delay braking control valve assembly according to claim 1, characterized in that, The connecting shaft (14) has a plurality of ball sockets (14-1) evenly arranged on its side circumferentially, and steel balls (6) are arranged on the ball sockets (14-1) to limit the rotation angle of the rotating plate (3).

3. The assembly tooling for the time-delay braking control valve assembly according to claim 2, characterized in that, Also includes: A spring (5) and a screw plug (4) are radially arranged inside the rotating plate (3) to press the steel ball (6) into the ball socket (14-1).

4. The assembly tooling for the time-delay braking control valve assembly according to claim 1, characterized in that, The pressure plate (7) has an L-shaped structure; The L-shaped structure includes a side wall (7-1) for applying a pressing force toward the rotating plate (3) to the delayed braking control valve block and a bottom wall (7-2) for radially limiting the delayed braking control valve block; In use, the sidewall (7-1) is not perpendicular to the horizontal plane.

5. The assembly tooling for the time-delay braking control valve assembly according to claim 4, characterized in that, The bottom wall (7-2) is fixed to the rotating plate (3) by hexagonal screws (8) and wing nuts (9).

6. The assembly tooling for the time-delay braking control valve assembly according to claim 4, characterized in that, A second cylindrical pin (16) is provided on the rotating plate (3) on one side of the bottom wall (7-2) of the L-shaped structure to limit the rotation angle of the pressure plate (7).

7. The assembly tooling for the time-delay braking control valve assembly according to claim 1, characterized in that, Also includes: A pad (10) for pressing and holding the delay braking control valve block is provided on the connecting shaft (14).

8. The assembly tooling for the time-delay braking control valve assembly according to claim 7, characterized in that, Also includes: A soft rubber gasket is provided on the pad (10) to protect the delayed braking control valve block.

9. The assembly tooling for the time-delay braking control valve assembly according to claim 1, characterized in that, Also includes: A pressure plate (12) for axially limiting the rotating plate (3) is provided on the rotating plate (3) and located at the end of the connecting shaft (14).

10. The assembly tooling for the time-delay braking control valve assembly according to claim 1, characterized in that, A flat key (15) is provided on the mating surface of the positioning plate (1) and the connecting shaft (14) to prevent the connecting shaft (14) from rotating radially on the positioning plate (1).

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