Automatic bolt hole alignment auxiliary frame

Abstract

This utility model relates to the field of alignment auxiliary frame technology, and discloses an automatic bolt hole alignment auxiliary frame, including support legs. A mounting frame is fixedly connected to the top of the support legs. An adjustment mechanism is provided on the top of the mounting frame, and a positioning mechanism is provided on the right side of the mounting frame. The positioning mechanism is used for further calibration. The adjustment mechanism includes multiple hydraulic pumps. The bottom of each hydraulic pump is fixedly connected to the top of the inner wall of the mounting frame, and a hydraulic rod is fixedly connected to the top of each hydraulic pump. A sliding component is provided on the top of the hydraulic rod. In this utility model, extending the hydraulic rod allows the support plate to move upward, thereby enabling the construction plate to move up and down. Activating the motor drives the threaded rod to rotate, causing the two threaded cylinders on both sides to move closer or further apart, thus clamping construction plates of different sizes. Then, a U-shaped plate slides along the slide rail for further alignment, achieving multi-dimensional alignment and enhancing practicality.

Description

Technical Field

[0001] This utility model relates to the field of alignment auxiliary frame technology, and in particular to an automatic bolt hole alignment auxiliary frame. Background Technology

[0002] In the field of rail transit equipment manufacturing and operation and maintenance, bolted connections are widely used as a core connection method in key links such as track beam splicing, bogie assembly, and car body module docking. The connection accuracy directly affects the safety and stability of train operation. As high-speed rail and subway rail transit vehicles develop towards high speed and lightweight, the modularity of components is constantly improving, the number of bolt holes is increasing, and the hole diameter tolerance is becoming more stringent. The traditional manual alignment method relies on workers' experience to manually adjust the position of components, which is not only time-consuming, but also prone to hole displacement due to uneven force, and may even cause uneven distribution of bolt preload, which can lead to fatigue cracks after long-term use.

[0003] To address the aforementioned issues, automatic bolt hole alignment technology has emerged. This technology combines mechanical structures with sensor control to achieve precise positioning and alignment of bolt holes, significantly improving assembly efficiency and accuracy. Against this backdrop, an automatic bolt hole alignment auxiliary frame has been proposed as a specialized tooling device for use in the bolt connection process of rail transit components. It is a device that uses a mechanical structure to automatically identify, guide, and align the bolt holes of the components to be connected, aiming to reduce manual intervention and ensure that the coaxiality of the holes meets assembly standards. The mechanical structure of the automatic bolt hole alignment auxiliary frame is designed around positioning, guiding, and driving functions. Its core components include a positioning reference module, a guiding adjustment mechanism, a driving component, and a locking device. In traditional technologies, rust and oil stains on the surface of components can cause the positioning pins to jam, reducing reliability. To overcome this drawback, existing technologies use high-strength alloy materials to make the guiding components to improve their deformation resistance and apply a polytetrafluoroethylene coating to the surface of the positioning pins to reduce friction. However, existing technologies cannot achieve multi-dimensional alignment, resulting in positioning errors and low practicality. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an automatic bolt hole alignment auxiliary frame, which aims to improve the problem that the existing technology cannot achieve multi-dimensional alignment, resulting in positioning errors and low practicality.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an automatic bolt hole alignment auxiliary frame, including a support leg, a mounting frame fixedly connected to the top of the support leg, an adjustment mechanism provided on the top of the mounting frame, and a positioning mechanism provided on the right side of the mounting frame, the positioning mechanism being used for further calibration;

[0006] The adjustment mechanism includes multiple hydraulic pumps. The bottom of each hydraulic pump is fixedly connected to the top of the inner wall of the mounting bracket. A hydraulic rod is fixedly connected to the top of each hydraulic pump, and a sliding component is provided on the top of the hydraulic rod.

[0007] As a further description of the above technical solution:

[0008] The positioning mechanism includes a handle, the left side of which is slidably connected to the right side of the mounting bracket, a connecting plate is fixedly connected to the left side of the handle, a long shaft is fixedly connected to the left side of the connecting plate, and a calibration component is provided on the outer wall of the long shaft.

[0009] As a further description of the above technical solution:

[0010] The sliding assembly includes a support plate, the bottom of which is fixedly connected to the top of a hydraulic rod. A slide rail is provided on the top of the support plate, and a connecting assembly is provided on the outer wall of the slide rail.

[0011] As a further description of the above technical solution:

[0012] The connecting component includes a sliding block, the outer wall of which is slidably connected to the outer wall of the slide rail, a U-shaped plate is fixedly connected to the top of the sliding block, and a driving component is provided on the inner wall of the U-shaped plate.

[0013] As a further description of the above technical solution:

[0014] The drive assembly includes a motor, the left side of which is fixedly connected to the inner wall of the U-shaped plate, the output end of which is fixedly connected to a coupling, and a moving component is provided on the right side of the coupling.

[0015] As a further description of the above technical solution:

[0016] The movable component includes a threaded rod, the outer wall of which is fixedly connected to the right side of the coupling. Multiple threaded cylinders are threadedly connected to the outer wall of the threaded rod, and a clamping component is provided on the top of each threaded cylinder.

[0017] As a further description of the above technical solution:

[0018] The clamping assembly includes a U-shaped seat, the bottom of which is fixedly connected to the top of the outer wall of the threaded cylinder, and a clamping plate is rotatably connected to the inner wall of the U-shaped seat.

[0019] As a further description of the above technical solution:

[0020] The calibration component includes a reserved hole, the outer wall of which is slidably connected to the outer wall of the long shaft, and a construction plate is fixedly connected to the outer wall of the reserved hole.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the hydraulic rod is extended to move the support plate upward, thereby enabling the construction plate to move up and down. The motor is turned on to drive the threaded rod to rotate, causing the threaded cylinders on both sides to move closer or further apart, thus clamping construction plates of different sizes. Then, the U-shaped plate slides along the slide rail for further alignment, realizing a multi-dimensional alignment function and enhancing practicality.

[0023] 2. In this utility model, after the construction plate is aligned with the adjustment mechanism, the long shaft is inserted into multiple reserved holes for initial fixation by holding the handle. Then, the hydraulic rod is lowered, the construction plate is moved to bring the two together, the long shaft is pulled out, and bolts are screwed in for fixation, thereby achieving further alignment and fixation functions and enhancing practicality. Attached Figure Description

[0024] Figure 1 This is a perspective view of the front side of the mounting frame of the bolt hole automatic alignment auxiliary frame proposed in this utility model;

[0025] Figure 2 This is a partial structural exploded view of the hydraulic pump of the automatic bolt hole alignment auxiliary frame proposed in this utility model;

[0026] Figure 3 This is a partial structural diagram of the hydraulic rod of the automatic bolt hole alignment auxiliary frame proposed in this utility model;

[0027] Figure 4 This is a partial structural diagram of the sliding block of the automatic bolt hole alignment auxiliary frame proposed in this utility model;

[0028] Figure 5 This is a partial structural diagram of the handle of the bolt hole automatic alignment auxiliary frame proposed in this utility model.

[0029] Legend:

[0030] 1. Outrigger; 2. Adjustment mechanism; 201. Hydraulic pump; 202. Hydraulic rod; 203. Sliding assembly; 2031. Support plate; 2032. Slide rail; 204. Connecting assembly; 2041. Sliding block; 2042. U-shaped plate; 205. Drive assembly; 2051. Motor; 2052. Coupling; 206. Moving assembly; 2061. Threaded rod; 2062. Threaded cylinder; 207. Clamping assembly; 2071. U-shaped seat; 2072. Clamping plate; 3. Positioning mechanism; 301. Handle; 302. Connecting plate; 303. Long shaft; 304. Calibration assembly; 3041. Reserved hole; 3042. Construction plate; 4. Mounting bracket. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see the appendix Figure 1 - Appendix Figure 3 This utility model provides an embodiment of an automatic bolt hole alignment auxiliary frame, including a support leg 1. A mounting frame 4 is fixedly connected to the top of the support leg 1. An adjustment mechanism 2 is provided on the top of the mounting frame 4 for multi-dimensional adjustment of the construction plate 3042 to achieve bolt hole alignment. A positioning mechanism 3 is provided on the right side of the mounting frame 4 for further calibration. The adjustment mechanism 2 includes multiple hydraulic pumps 201, which serve as a power source. The bottom of the hydraulic pumps 201 is fixedly connected to the top of the inner wall of the mounting frame 4. A hydraulic rod 202 is fixedly connected to the top of the hydraulic pumps 201, and a sliding component 203 is provided on the top of the hydraulic rod 202.

[0033] Specifically, the bolt hole automatic alignment auxiliary frame includes support legs 1, which serve as the supporting foundation for the entire auxiliary frame. A mounting frame 4 is fixedly connected to the top of the support legs 1, providing an installation platform for other components. A positioning mechanism 3 is provided on the right side of the mounting frame 4, which is used to further calibrate the position of the construction plate 3042 to ensure alignment accuracy. The bottom of the positioning mechanism 3 is fixedly connected to the top of the inner wall of the mounting frame 4. A hydraulic rod 202 is fixedly connected to the top of the hydraulic pump 201, which moves up and down by extending and retracting the hydraulic rod 202. A sliding component 203 is provided on the top of the hydraulic rod 202, which is used to support and drive the movement of other components.

[0034] Please see the appendix Figure 3 - Appendix Figure 5 The positioning mechanism 3 includes a handle 301, the left side of which is slidably connected to the right side of the mounting bracket 4. A connecting plate 302 is fixedly connected to the left side of the handle 301, and a long shaft 303 is fixedly connected to the left side of the connecting plate 302 for inserting into the pre-drilled hole 3041 for initial positioning. A calibration component 304 is provided on the outer wall of the long shaft 303. The calibration component 304 includes a pre-drilled hole 3041, the outer wall of which is slidably connected to the outer wall of the long shaft 303. A construction plate 3042 is fixedly connected to the outer wall of the pre-drilled hole 3041. The construction plate 3042 is the component that actually needs to be aligned with the bolt holes.

[0035] Specifically, the positioning mechanism 3 includes a handle 301, the left side of which is slidably connected to the right side of the mounting bracket 4, making it easy for the operator to hold and operate. A connecting plate 302 is fixedly connected to the left side of the handle 301, which serves to connect the handle 301 and the long shaft 303. A calibration component 304 is provided on the outer wall of the long shaft 303. The calibration component 304 includes a reserved hole 3041, the outer wall of which is slidably connected to the outer wall of the long shaft 303, providing an insertion space for the long shaft 303.

[0036] Please see the appendix Figure 1 - Appendix Figure 3 The sliding component 203 includes a support plate 2031, the bottom of which is fixedly connected to the top of the hydraulic rod 202. A slide rail 2032 is provided on the top of the support plate 2031. A connecting component 204 is provided on the outer wall of the slide rail 2032. The connecting component 204 includes a sliding block 2041, the outer wall of which is slidably connected to the outer wall of the slide rail 2032. A U-shaped plate 2042 is fixedly connected to the top of the sliding block 2041 for mounting the drive component 205. The drive component 205 is provided on the inner wall of the U-shaped plate 2042.

[0037] Specifically, the sliding assembly 203 includes a support plate 2031, the bottom of which is fixedly connected to the top of the hydraulic rod 202 to support the components above. The top of the support plate 2031 is provided with a slide rail 2032 to provide a sliding track for the sliding block 2041. The connecting assembly 204 includes a sliding block 2041, the outer wall of which is slidably connected to the outer wall of the slide rail 2032 and can slide along the slide rail 2032. The inner wall of the U-shaped plate 2042 is provided with a driving assembly 205 to drive the moving assembly 206.

[0038] Please see the appendix Figure 3 - Appendix Figure 5 The drive assembly 205 includes a motor 2051. The left side of the motor 2051 is fixedly connected to the inner wall of the U-shaped plate 2042. The output end of the motor 2051 is fixedly connected to a coupling 2052. A moving assembly 206 is provided on the right side of the coupling 2052. The moving assembly 206 includes a threaded rod 2061. The outer wall of the threaded rod 2061 is fixedly connected to the right side of the coupling 2052. Multiple threaded cylinders 2062 are threadedly connected to the outer wall of the threaded rod 2061. A clamping assembly 207 is provided on the top of the threaded cylinders 2062. The clamping assembly 207 includes a U-shaped seat 2071. The bottom of the U-shaped seat 2071 is fixedly connected to the top of the outer wall of the threaded cylinder 2062 for mounting the clamping plate 2072. The inner wall of the U-shaped seat 2071 is rotatably connected to the clamping plate 2072.

[0039] Specifically, the drive assembly 205 includes a motor 2051. The left side of the motor 2051 is fixedly connected to the inner wall of the U-shaped plate 2042 as a power output source. The output end of the motor 2051 is fixedly connected to a coupling 2052, which connects the motor 2051 and the threaded rod 2061 and transmits power. A moving assembly 206 is provided on the right side of the coupling 2052. The moving assembly 206 includes a threaded rod 2061. The outer wall of the threaded rod 2061 is fixedly connected to the right side of the coupling 2052. By rotating, the threaded cylinder 2062 moves. Multiple threaded cylinders 2062 are threadedly connected to the outer wall of the threaded rod 2061, which can move closer or further away from each other along the threaded rod 2061. A clamping plate 2072 is rotatably connected to the inner wall of the U-shaped seat 2071 for clamping the construction plate 3042.

[0040] Working principle: By extending the hydraulic rod 202, the support plate 2031 moves upward, enabling the construction plate 3042 to move up and down. By turning on the motor 2051, the threaded rod 2061 is rotated, causing the threaded cylinders 2062 on both sides to move closer and further apart, so that it can clamp construction plates 3042 of different sizes. Then, the U-shaped plate 2042 slides along the slide rail 2032 to further align it, achieving the function of multi-dimensional alignment and enhancing practicality.

[0041] After aligning the construction plate 3042 using the adjustment mechanism 2, hold the handle 301 by hand and insert the long shaft 303 into the multiple pre-drilled holes 3041 to initially fix it. Then, lower the hydraulic rod 202, move the construction plate 3042 to bring the two together, pull out the long shaft 303, and screw in the bolts to fix it. This achieves the function of further aligning and fixing it, enhancing its practicality.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic bolt hole alignment auxiliary frame, including support legs (1), characterized in that: The top of the support leg (1) is fixedly connected to a mounting bracket (4), the top of the mounting bracket (4) is provided with an adjustment mechanism (2), and the right side of the mounting bracket (4) is provided with a positioning mechanism (3), which is used for further calibration. The adjustment mechanism (2) includes multiple hydraulic pumps (201), the bottom of which is fixedly connected to the top of the inner wall of the mounting bracket (4), and a hydraulic rod (202) is fixedly connected to the top of the hydraulic pump (201). A sliding component (203) is provided on the top of the hydraulic rod (202).

2. The bolt hole auto-alignment fixture of claim 1, wherein: The positioning mechanism (3) includes a handle (301), the left side of the handle (301) is slidably connected to the right side of the mounting bracket (4), a connecting plate (302) is fixedly connected to the left side of the handle (301), a long shaft (303) is fixedly connected to the left side of the connecting plate (302), and a calibration component (304) is provided on the outer wall of the long shaft (303).

3. The bolt hole auto-alignment fixture of claim 1, wherein: The sliding assembly (203) includes a support plate (2031), the bottom of which is fixedly connected to the top of the hydraulic rod (202), and a slide rail (2032) is provided on the top of the support plate (2031). A connecting assembly (204) is provided on the outer wall of the slide rail (2032).

4. The bolt hole auto-alignment aid rack of claim 3, wherein: The connecting component (204) includes a sliding block (2041), the outer wall of the sliding block (2041) is slidably connected to the outer wall of the slide rail (2032), a U-shaped plate (2042) is fixedly connected to the top of the sliding block (2041), and a driving component (205) is provided on the inner wall of the U-shaped plate (2042).

5. The bolt hole auto-alignment aid rack of claim 4, wherein: The drive assembly (205) includes a motor (2051), the left side of which is fixedly connected to the inner wall of the U-shaped plate (2042), and the output end of the motor (2051) is fixedly connected to a coupling (2052), and a moving assembly (206) is provided on the right side of the coupling (2052).

6. The automatic bolt hole alignment auxiliary frame according to claim 5, characterized in that: The moving component (206) includes a threaded rod (2061), the outer wall of which is fixedly connected to the right side of the coupling (2052), and a plurality of threaded cylinders (2062) are threadedly connected to the outer wall of the threaded rod (2061), with a clamping component (207) provided on the top of the threaded cylinders (2062).

7. The bolt hole auto-alignment fixture of claim 6, wherein: The clamping assembly (207) includes a U-shaped seat (2071), the bottom of which is fixedly connected to the top of the outer wall of the threaded cylinder (2062), and a clamping plate (2072) is rotatably connected to the inner wall of the U-shaped seat (2071).

8. The bolt hole auto-alignment fixture of claim 2, wherein: The calibration component (304) includes a reserved hole (3041), the outer wall of the reserved hole (3041) is slidably connected to the outer wall of the long shaft (303), and a construction plate (3042) is fixedly connected to the outer wall of the reserved hole (3041).

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