Cam follower ball seat mounting hole and oil hole drilling and positioning tool
By designing drilling positioning tooling for components such as workbenches and fixed rods, the problem of inaccurate drilling positioning of the cam follower ball seat is solved, and the stable fixation and precise drilling of the ball seat is achieved, which improves processing accuracy and efficiency.
Patent Information
- Application Number
- CN202422366031.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-26
AI Technical Summary
The prior art is difficult to effectively fix the cam follower ball seat for drilling, especially the positioning of the installation holes and oil holes is inaccurate, resulting in high processing difficulty and low accuracy.
A drilling positioning tool including a workbench, a fixing block, a first fixing rod and a second fixing rod is designed. The ball seat is fixed by the first fixing member and the second fixing member, and the positioning block and the positioning hole are used for precise positioning, and combined with the use of elastic wear-resistant materials, the ball seat is ensured to be stable and precisely drilled.
It realizes stable fixation of the cam follower ball seat, ensures accurate drilling position, improves machining accuracy and efficiency, and simplifies the operation process.
Smart Images

Figure CN223146617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of train braking systems, and particularly relates to a positioning tool for drilling installation holes and oil holes of a cam follower ball seat. Background Art
[0002] The cam follower ball seat is used in a train braking system. As Figure 3 shown, it mainly includes a main body block 13, a base 14 arranged at the bottom of the main body block 13, a first connection hole 15 and a second connection hole 16 horizontally opened on the main body block 13. The diameter of the first connection hole 15 is smaller than that of the second connection hole 16. An installation block 17 is arranged at one end of the main body block 13 close to the first connection hole 15, and a planar oil injection part 18 is arranged on one side of the main body block 13 close to the installation block.
[0003] When drilling the installation hole and oil hole of the cam follower ball seat (hereinafter referred to as the ball seat for short), that is, drilling the installation block and the oil injection part, due to the irregular shape of the ball seat, a special tooling is required to fix the ball seat. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a positioning tool for drilling installation holes and oil holes of a cam follower ball seat, which has the effect of fixing the ball seat.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions: it includes a workbench and a fixing block vertically arranged on the workbench. A first fixing rod and a second fixing rod are horizontally arranged on one side of the fixing block. The first fixing rod can pass through the first connection hole movably, and the second fixing rod can pass through the second connection hole movably. A first fixing member for fixing the main body block is arranged on the first fixing rod, and a second fixing member for fixing the main body block is arranged on the second fixing rod. When the first fixing rod passes through the first connection hole, the bottom surface of the base can be movably attached to the workbench.
[0006] The further setting of the utility model is: the first fixing member includes a first gasket and a first clamping block threadedly connected with the first fixing rod. Both sides of the first gasket can be respectively attached to the end of the first connection hole and the first clamping block.
[0007] The further setting of the utility model is: the second fixing member includes a second gasket and a second clamping block threadedly connected with the second fixing rod. Both sides of the second gasket can be respectively attached to the end of the second connection hole and the second clamping block.
[0008] The further setting of the utility model is: both the first gasket and the second gasket are made of elastic wear-resistant materials.
[0009] A further setting of the present utility model is that: a first positioning block is horizontally arranged on the fixed block, the first positioning block is directly above the oil injection part, and a first positioning hole is vertically opened on the first positioning block.
[0010] A further setting of the present utility model is that: a second positioning block is horizontally arranged on the fixed block, the second positioning block is directly above the mounting block, and a second positioning hole is vertically opened on the second positioning block.
[0011] A further setting of the present utility model is that: a first elastic wear-resistant layer is arranged on one side of the first fixing rod close to the fixed block.
[0012] A further setting of the present utility model is that: the first elastic wear-resistant layer can be movably attached to the inner wall of the first connection hole.
[0013] A further setting of the present utility model is that: a second elastic wear-resistant layer is arranged on one side of the second fixing rod close to the fixed block.
[0014] A further setting of the present utility model is that: the second elastic wear-resistant layer can be movably attached to the inner wall of the second connection hole.
[0015] The beneficial effects of the present utility model are:
[0016] 1. By providing the first fixing rod, the second fixing rod, etc., when drilling the ball seat is required, align the first connection hole and the second connection hole on the ball seat with the first fixing rod and the second fixing rod, and then make the first fixing rod and the second fixing rod pass through the first connection hole and the second connection hole respectively until the main body block abuts against the fixed block. At this time, the base fits on the workbench, and then fix the main body block with the first fixing member and the second fixing member. After that, drilling can be carried out on the mounting block and the oil injection part (i.e., machining the mounting hole and the oil hole); by providing the first fixing rod and the second fixing rod, etc., first, through the cooperation of the first fixing rod, the second fixing rod and the ball seat, the ball seat is preliminarily positioned, and then the ball seat is fixed by the first fixing member and the second fixing member, so as to realize the overall fixation of the ball seat, which is convenient for subsequent drilling.
[0017] 2. By providing the first clamping block, the second clamping block, etc., after the first fixing rod and the second fixing rod pass through the first connection hole and the second connection hole on the ball seat respectively, put the first gasket and the second gasket on the first fixing rod and the second fixing rod respectively, and then put the first clamping block and the second clamping block on the first fixing rod and the second fixing rod respectively. After that, rotate the first clamping block and the second clamping block until the first clamping block and the second clamping block respectively push the first gasket and the second gasket to abut against the ends of the first connection hole and the second connection hole, so as to clamp the main body block between the first clamping block, the second clamping block and the fixed block, realizing the fixation of the ball seat, with a simple structure and convenient operation.
[0018] 3. By setting the first positioning block, the second positioning block, etc., which cooperate with the ball seat, and indicating the oil hole and the mounting hole to be machined through the first positioning hole and the second positioning hole, it is convenient for workers to operate the drilling equipment for drilling, avoiding the deviation of the drilling position, and at the same time limiting the sizes of the mounting hole and the oil hole to ensure accurate drilling. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0020] Figure 1 is a schematic structural diagram of an embodiment of a drilling positioning tooling for the mounting hole and oil hole of a cam follower ball seat of the present invention;
[0021] Figure 2 is a schematic structural diagram of an embodiment of a drilling positioning tooling for the mounting hole and oil hole of a cam follower ball seat of the present invention;
[0022] Figure 3 is a schematic structural diagram of a cam follower ball seat.
[0023] In the figure, 1, workbench; 2, fixing block; 3, first fixing rod; 4, second fixing rod; 5, first fixing member; 5a, first gasket; 5b, first clamping block; 6, second fixing member; 6a, second gasket; 6b, second clamping block; 7, first positioning block; 8, first positioning hole; 9, second positioning block; 10, second positioning hole; 11, first elastic wear-resistant layer; 12, second elastic wear-resistant layer; 13, main body block; 14, base; 15, first connection hole; 16, second connection hole; 17, mounting block; 18, oil injection part. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0025] The present invention provides a drilling positioning tooling for the mounting hole and oil hole of a cam follower ball seat, as Figures 1 to 3As shown in the figure, it includes a workbench 1 and a fixed block 2 vertically arranged on the workbench 1. On one side of the fixed block 2, a first fixing rod 3 and a second fixing rod 4 are horizontally arranged. The first fixing rod 3 can pass through the first connection hole 15 movably, and the second fixing rod 4 can pass through the second connection hole 16 movably. A first fixing member 5 for fixing the main body block 13 is arranged on the first fixing rod 3, and a second fixing member 6 for fixing the main body block 13 is arranged on the second fixing rod 4. When the first fixing rod 3 passes through the first connection hole 15, the bottom surface of the base 14 can be movably attached to the workbench 1.
[0026] Furthermore, the first fixing member 5 includes a first gasket 5a and a first clamping block 5b threadedly connected to the first fixing rod 3. Both sides of the first gasket 5a can be respectively attached to the end of the first connection hole 15 and the first clamping block 5b.
[0027] Furthermore, the second fixing member 6 includes a second gasket 6a and a second clamping block 6b threadedly connected to the second fixing rod 4. Both sides of the second gasket 6a can be respectively attached to the end of the second connection hole 16 and the second clamping block 6b.
[0028] Furthermore, both the first gasket 5a and the second gasket 6a are made of elastic wear-resistant materials.
[0029] Furthermore, a first positioning block 7 is horizontally arranged on the fixed block 2. The first positioning block 7 is located directly above the oil injection part 18, and a first positioning hole 8 is vertically opened on the first positioning block 7.
[0030] Furthermore, a second positioning block 9 is horizontally arranged on the fixed block 2. The second positioning block 9 is located directly above the installation block 17, and a second positioning hole 10 is vertically opened on the second positioning block 9.
[0031] Furthermore, a first elastic wear-resistant layer 11 is arranged on the side of the first fixing rod 3 close to the fixed block 2.
[0032] Furthermore, the first elastic wear-resistant layer 11 can be movably attached to the inner wall of the first connection hole 15.
[0033] Furthermore, a second elastic wear-resistant layer 12 is arranged on the side of the second fixing rod 4 close to the fixed block 2.
[0034] Furthermore, the second elastic wear-resistant layer 12 can be movably attached to the inner wall of the second connection hole 16.
[0035] When drilling the ball seat is required, align the first connecting hole 15 and the second connecting hole 16 on the ball seat with the first fixing rod 3 and the second fixing rod 4, and then make the first fixing rod 3 and the second fixing rod 4 pass through the first connecting hole 15 and the second connecting hole 16 respectively until the main body block 13 abuts against the fixing block 2. At this time, the base 14 fits against the workbench 1. Then, put the first gasket 5a and the second gasket 6a on the first fixing rod 3 and the second fixing rod 4 respectively, and then put the first clamping block 5b and the second clamping block 6b on the first fixing rod 3 and the second fixing rod 4 respectively. Then rotate the first clamping block 5b and the second clamping block 6b until the first clamping block 5b and the second clamping block 6b push the first gasket 5a and the second gasket 6a to abut against the ends of the first connecting hole 15 and the second connecting hole 16 respectively, so as to clamp the main body block 13 between the first clamping block 5b, the second clamping block 6b and the fixing block 2, realizing the fixation of the ball seat. After that, drilling can be carried out on the mounting block 17 and the oil injection part 18 (that is, the mounting hole and the oil hole are processed); by setting the first fixing rod 3 and the second fixing rod 4, etc., first, through the mutual cooperation of the first fixing rod 3, the second fixing rod 4 and the ball seat, the ball seat is preliminarily positioned, and then the ball seat is fixed by the first clamping block 5b and the second clamping block 6b, so as to realize the overall fixation of the ball seat, which is convenient for subsequent drilling.
[0036] By setting the first positioning block 7, the second positioning block 9, etc., which cooperate with the ball seat, and indicating the oil hole and the mounting hole to be processed through the first positioning hole 8 and the second positioning hole 10, that is, it is convenient for workers to operate the drilling equipment for drilling, avoiding the deviation of the drilling position, and at the same time limiting the sizes of the mounting hole and the oil hole to ensure accurate drilling.
[0037] By setting the first gasket 5a and the second gasket 6a to be made of elastic wear-resistant materials, through the elastic deformation of the first gasket 5a and the second gasket 6a, the tightness of the connection between the first clamping block 5b, the second clamping block 6b and the ball seat is increased, thereby improving the fixing effect on the ball seat.
[0038] By setting the first elastic wear-resistant layer 11 and the second elastic wear-resistant layer 12, the contact area between the ball seat and the first fixing rod 3 and the second fixing rod 4 is increased, and the connection is more tight.
[0039] It should be noted that the various embodiments in this specification are described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other.
[0040] The above description is only a description of the preferred embodiments of the present invention, and does not limit the scope of the present invention in any way. Any changes and modifications made by those of ordinary skill in the art of the present invention according to the above disclosure are within the protection scope of the claims.
Claims
1. A positioning tool for drilling the mounting hole and oil hole of a cam follower ball seat, characterized in that: It includes a workbench (1) and a fixed block (2) vertically arranged on the workbench (1). A first fixed rod (3) and a second fixed rod (4) are horizontally arranged on one side of the fixed block (2). The first fixed rod (3) can movably pass through a first connection hole (15), and the second fixed rod (4) can movably pass through a second connection hole (16). A first fixing member (5) for fixing a main body block (13) is arranged on the first fixed rod (3), and a second fixing member (6) for fixing the main body block (13) is arranged on the second fixed rod (4). When the first fixed rod (3) passes through the first connection hole (15), the bottom surface of the base (14) can movably fit on the workbench (1).
2. The positioning tooling for drilling the ball seat mounting hole and oil hole of a cam follower, according to claim 1, wherein: The first fixing member (5) includes a first gasket (5a) and a first clamping block (5b) threadedly connected to the first fixed rod (3). Both sides of the first gasket (5a) can respectively fit on the end of the first connection hole (15) and the first clamping block (5b).
3. A drilling positioning tooling for a cam follower ball seat mounting hole and an oil hole according to claim 2, characterized in that: The second fixing member (6) includes a second gasket (6a) and a second clamping block (6b) threadedly connected to the second fixed rod (4). Both sides of the second gasket (6a) can respectively fit on the end of the second connection hole (16) and the second clamping block (6b).
4. A drilling positioning tool for the ball seat mounting hole and oil hole of a cam follower, according to claim 3, characterized in that: Both the first gasket (5a) and the second gasket (6a) are made of elastic wear-resistant materials.
5. A drilling positioning tooling for the ball seat mounting hole and oil hole of a cam follower, as claimed in claim 1, wherein: A first positioning block (7) is horizontally arranged on the fixed block (2). The first positioning block (7) is directly above the oil injection part (18), and a first positioning hole (8) is vertically opened on the first positioning block (7).
6. A drilling positioning tool for the ball seat mounting hole and oil hole of a cam follower, according to claim 5, characterized in that: A second positioning block (9) is horizontally arranged on the fixed block (2). The second positioning block (9) is directly above the mounting block (17), and a second positioning hole (10) is vertically opened on the second positioning block (9).
7. A drilling positioning tool for a cam follower ball seat mounting hole and an oil hole according to claim 2, characterized in that: A first elastic wear-resistant layer (11) is arranged on the side of the first fixed rod (3) close to the fixed block (2).
8. A drilling positioning tool for the ball seat mounting hole and oil hole of a cam follower, according to claim 7, characterized in that: The first elastic wear-resistant layer (11) can movably fit on the inner wall of the first connection hole (15).
9. A drilling positioning tooling for a cam follower ball seat mounting hole and an oil hole, according to claim 3, characterized in that: A second elastic wear-resistant layer (12) is arranged on the side of the second fixed rod (4) close to the fixed block (2).
10. A drilling and positioning tooling for the ball seat mounting hole and oil hole of a cam follower, according to claim 9, characterized in that: The second elastic wear-resistant layer (12) can movably fit on the inner wall of the second connection hole (16).