Positioning and calibration auxiliary instrument for special pipeline installation

CN224914476UActive Publication Date: 2026-10-30SHENZHEN HENGYIRAN NEW ENERGY ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202522007263.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2026-10-30
Estimated Expiration
2035-09-17

AI Technical Summary

Technical Problem

[0003]传统的管道定位校准主要依赖人工测量与简单工具辅助,如水平仪、卷尺等,这种方式不仅效率低下,而且受人为因素影响大,容易出现测量误差,难以满足特种管道毫米级甚至亚毫米级的安装精度要求,随着工业智能化发展,部分企业引入激光测距仪、全站仪等设备,但这些仪器在复杂工况下存在操作繁琐、环境适应性差等问题,如在高温、潮湿、粉尘等恶劣环境中,设备性能会受到显著影响,无法实现快速、精准的定位校准,此外,现有技术缺乏对管道空间姿态、应力分布等多维度数据的综合分析能力,难以全面保障特种管道安装的可靠性,为此我们提出了一种特种管道安装用定位校准辅助仪器

Benefits of technology

[0016] A positioning and calibration auxiliary instrument for special pipeline installation is provided, which has the following beneficial effects:

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Abstract

The utility model relates to pipeline positioning calibration technical field, and disclose a kind of positioning calibration auxiliary instrument for special pipeline installation, comprising: working support frame, fixed positioning support frame, calibration positioning sliding table, position adjusting support plate, the top bottom surface of working support frame is fixedly connected with fixed positioning support frame, the top surface of working support frame is equipped with equidistant distribution's guide sliding slot, the inner side sliding connection of guide sliding slot has position adjusting support plate, the top bottom surface of working support frame is fixedly connected with calibration positioning sliding table, the top inner side of position adjusting support plate is equipped with sliding through slot, the inner side sliding connection of sliding through slot has calibration positioning sliding table;Positioning clamping assembly is arranged in the inner side of fixed positioning support frame;Sliding adjustment positioning calibration component is arranged in the bottom surface of position adjusting support plate, and the instrument is positioned calibration by double-component, multiple structure adjustment, realize millimeter level precision, adapt to multiple working conditions, high efficiency and guarantee installation safety.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline positioning and calibration technology, specifically to a positioning and calibration auxiliary instrument for special pipeline installation. Background Technology

[0002] In modern industry, special pipelines are widely used in key industries such as petrochemicals, energy transmission, and aerospace. Their installation quality is directly related to the safety and stability of system operation. During the installation of special pipelines, accurate positioning and calibration are the core links to ensure the sealing of pipeline connections, pressure bearing capacity, and media transportation efficiency.

[0003] Traditional pipeline positioning and calibration mainly rely on manual measurement and simple tools such as levels and measuring tapes. This method is not only inefficient but also highly susceptible to human factors, making it prone to measurement errors and unable to meet the millimeter-level or even sub-millimeter-level installation accuracy requirements of special pipelines. With the development of industrial intelligence, some companies have introduced equipment such as laser rangefinders and total stations. However, these instruments have problems such as cumbersome operation and poor environmental adaptability under complex working conditions. For example, in harsh environments such as high temperature, humidity, and dust, the performance of the equipment will be significantly affected, making it impossible to achieve rapid and accurate positioning and calibration. In addition, existing technologies lack the ability to comprehensively analyze multi-dimensional data such as pipeline spatial attitude and stress distribution, making it difficult to fully guarantee the reliability of special pipeline installation. Therefore, we propose a positioning and calibration auxiliary instrument for special pipeline installation. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a positioning and calibration auxiliary instrument for special pipeline installation, which solves the aforementioned problems.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0006] A positioning and calibration auxiliary instrument for special pipeline installation includes:

[0007] The system includes a working support frame, a fixed positioning support frame, a calibration positioning slide, and a position adjustment support plate. The fixed positioning support frame is fixedly connected to the top and bottom surfaces of the working support frame. The top surface of the working support frame has equidistantly distributed guide grooves. The position adjustment support plate is slidably connected to the inner side of the guide grooves. The calibration positioning slide is fixedly connected to the top and bottom surfaces of the working support frame. The inner side of the top of the position adjustment support plate has a sliding through groove. The inner side of the sliding through groove is slidably connected to the calibration positioning slide.

[0008] A positioning clamping assembly is installed inside the fixed positioning support frame, which is used to position and fix one side of a special pipe;

[0009] A sliding adjustment positioning calibration component is installed on the bottom surface of the position adjustment support plate. The sliding positioning calibration component includes a sliding adjustment component and a positioning calibration component. The sliding adjustment positioning calibration component is used to assist in the calibration and positioning of special pipelines to be installed.

[0010] Preferably, the fixed positioning support frame has symmetrically distributed clamping threaded holes on its side and equidistantly distributed guide sliding holes on its side.

[0011] Preferably, the positioning and clamping assembly includes a fixed slide plate, a clamping drive bolt, a guide slide rod, and a buffer friction pad. The outer side of the fixed slide plate is fixedly connected with equidistantly distributed guide slide rods. The outer side of the fixed slide plate has a rotating groove. The inner side of the fixed slide plate is fixedly connected with a buffer friction pad. The inner side of the rotating groove on the outer side of the fixed slide plate is rotatably connected with a clamping drive bolt. The inner side of the guide slide hole is slidably connected with a guide slide rod. The inner side of the clamping threaded hole is threadedly connected with a clamping drive bolt. The fixed positioning support frame has symmetrically distributed positioning and clamping assemblies on both sides.

[0012] Preferably, the bottom surface of the position adjustment support plate is fixedly connected to an adjustment slide, the top surface of the position adjustment support plate is fixedly connected to a sliding locking platform, the top surface of the sliding locking platform is provided with a positioning threaded hole, the inner side of the guide slide groove is slidably connected to the sliding locking platform, the inner side of the positioning threaded hole is threadedly connected to a top positioning bolt, and the bottom surface of the top positioning bolt is frictionally connected to the top surface of the working support frame, for adjusting and fixing the position of the position adjustment support plate.

[0013] Preferably, the sliding adjustment assembly includes an adjusting fixing bolt and an auxiliary sliding support frame. The top of the auxiliary sliding support frame is provided with a sliding groove, and an adjusting slide is slidably connected to the inner side of the sliding groove. The side of the auxiliary sliding support frame is provided with equally spaced threaded through holes, and the inner side of the threaded through holes is threadedly connected to the adjusting fixing bolt. The top surface of the adjusting fixing bolt is frictionally connected to the adjusting slide.

[0014] Preferably, the positioning calibration component includes an auxiliary clamping drive bolt, an auxiliary guide slide rod, and an auxiliary clamping slide plate. The side of the auxiliary sliding support frame is provided with equidistantly distributed clamping threaded holes and guide slide holes. A buffer friction pad is fixedly connected to the inner side of the auxiliary clamping slide plate. An auxiliary guide slide rod is fixedly connected to the outer side of the auxiliary clamping slide plate. An auxiliary clamping drive bolt is rotatably connected to the outer side of the auxiliary clamping slide plate. An auxiliary clamping drive bolt is threaded to the inner side of the clamping threaded hole on the outer side of the auxiliary sliding support frame. An auxiliary guide slide rod is slidably connected to the inner side of the guide slide hole on the outer side of the auxiliary sliding support frame.

[0015] Compared with the prior art, the advantages of this utility model are:

[0016] A positioning and calibration auxiliary instrument for special pipeline installation is provided, which has the following beneficial effects:

[0017] This special positioning and calibration auxiliary instrument for pipeline installation uses a positioning clamping component to fix one side of the pipeline, and a sliding adjustment component to fine-tune the other side. In conjunction with the guide groove and sliding clamp, it achieves multi-dimensional precise positioning, meeting millimeter-level accuracy requirements. Utilizing a bolt-driven structure and modular design, it is easy to operate, adaptable to different pipe diameters and harsh working conditions, and its efficiency is more than 50% higher than traditional methods. Moreover, its stable structure and buffer friction pad protect the pipeline, ensuring installation safety and sealing. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram showing the overall structure of this utility model disassembled;

[0020] Figure 3 This is a cross-sectional view of the overall structure of this utility model;

[0021] Figure 4 This is a cross-sectional schematic diagram of a portion of the auxiliary positioning and calibration components in this utility model.

[0022] In the diagram: 1. Working support frame; 2. Fixed positioning support frame; 3. Fixed slide plate; 4. Clamping drive bolt; 5. Guide slide rod; 6. Buffer friction pad; 7. Adjusting fixing bolt; 8. Auxiliary clamping drive bolt; 9. Auxiliary guide slide rod; 10. Auxiliary clamping slide plate; 11. Auxiliary sliding support frame; 12. Calibration positioning slide; 13. Top positioning bolt; 14. Guide slide groove; 15. Clamping threaded hole; 16. Guide slide hole; 17. Adjusting slide; 18. Position adjustment support plate; 19. Positioning threaded hole. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1-4 This utility model provides a technical solution:

[0025] A special pipeline installation positioning and calibration auxiliary instrument includes:

[0026] The work support frame 1, the fixed positioning support frame 2, the calibration positioning slide 12, and the position adjustment support plate 18 are provided. The fixed positioning support frame 2 is fixedly connected to the top and bottom surfaces of the work support frame 1. The top surface of the work support frame 1 is provided with equidistantly distributed guide grooves 14. The position adjustment support plate 18 is slidably connected to the inner side of the guide grooves 14. The calibration positioning slide 12 is fixedly connected to the top and bottom surfaces of the work support frame 1. The top inner side of the position adjustment support plate 18 is provided with a sliding through groove. The calibration positioning slide 12 is slidably connected to the inner side of the sliding through groove.

[0027] The positioning clamping assembly is installed inside the fixed positioning support frame 2. The positioning clamping assembly is used to position and fix one side of the special pipe.

[0028] A sliding adjustment positioning calibration component is installed on the bottom surface of the position adjustment support plate 18. The sliding positioning calibration component includes a sliding adjustment component and a positioning calibration component. The sliding adjustment positioning calibration component is used to assist in the calibration and positioning of special pipelines to be installed.

[0029] Furthermore, the fixed positioning support frame 2 has symmetrically distributed clamping threaded holes 15 on its side and equidistantly distributed guide sliding holes 16 on its side.

[0030] Furthermore, the positioning and clamping assembly includes a fixed sliding plate 3, a clamping drive bolt 4, a guide slide rod 5, and a buffer friction pad 6. The outer side of the fixed sliding plate 3 is fixedly connected with equidistantly distributed guide slide rods 5. A rotating groove is opened on the outer side of the fixed sliding plate 3. A buffer friction pad 6 is fixedly connected to the inner side of the fixed sliding plate 3. The inner side of the rotating groove on the outer side of the fixed sliding plate 3 is rotatably connected with the clamping drive bolt 4. The inner side of the guide slide hole 16 is slidably connected with the guide slide rod 5. The inner side of the clamping threaded hole 15 is threadedly connected with the clamping drive bolt 4. The fixed positioning support frame 2 is provided with symmetrically distributed positioning and clamping assemblies on both sides. Through the action of the positioning and clamping assemblies, the fixed positioning is achieved according to the fixed special pipe.

[0031] Furthermore, an adjustment slide 17 is fixedly connected to the bottom surface of the position adjustment support plate 18, and a sliding bracket is fixedly connected to the top surface of the position adjustment support plate 18. A positioning threaded hole 19 is provided on the top surface of the sliding bracket. The sliding bracket is slidably connected to the inner side of the guide slide groove 14. A top positioning bolt 13 is threadedly connected to the inner side of the positioning threaded hole 19. The bottom surface of the top positioning bolt 13 is frictionally connected to the top surface of the working support frame 1, which is used to adjust and fix the position of the position adjustment support plate 18.

[0032] Furthermore, the sliding adjustment assembly includes adjusting fixing bolts 7 and auxiliary sliding support frames 11. The top of the auxiliary sliding support frame 11 is provided with a sliding groove, and an adjusting slide table 17 is slidably connected to the inner side of the sliding groove. The side of the auxiliary sliding support frame 11 is provided with equally spaced threaded through holes, and the inner side of the threaded through holes is threadedly connected to the adjusting fixing bolts 7. The top surface of the adjusting fixing bolts 7 is frictionally connected to the adjusting slide table 17. Through the action of the sliding adjustment assembly, the position adjustment between the auxiliary sliding support frames 11 can be realized according to the actual special pipe size.

[0033] Furthermore, the positioning calibration component includes an auxiliary clamping drive bolt 8, an auxiliary guide slide rod 9, and an auxiliary clamping slide plate 10. The auxiliary sliding support frame 11 has equidistantly distributed clamping threaded holes 15 and guide slide holes 16 on its side. A buffer friction pad 6 is fixedly connected to the inner side of the auxiliary clamping slide plate 10, and an auxiliary guide slide rod 9 is fixedly connected to the outer side of the auxiliary clamping slide plate 10. An auxiliary clamping drive bolt 8 is rotatably connected to the outer side of the auxiliary clamping slide plate 10. The auxiliary clamping drive bolt 8 is threadedly connected to the inner side of the clamping threaded hole 15 on the outer side of the auxiliary sliding support frame 11, and the auxiliary guide slide rod 9 is slidably connected to the inner side of the guide slide hole 16 on the outer side of the auxiliary sliding support frame 11. Through the function of the positioning calibration component, the positioning calibration of special pipelines is realized, and the position of the support plate 18 is adjusted by sliding position for positioning calibration installation.

[0034] Structural Description:

[0035] Working support frame 1: The top and bottom surfaces are fixedly connected to the fixed positioning support frame 2. The top surface is provided with equidistantly distributed guide grooves 14. The inner side is slidably connected to the position adjustment support plate 18. The top and bottom surfaces are fixedly connected to the calibration positioning slide table 12, which provides support and positioning reference for the whole.

[0036] Fixed positioning support frame 2: The side is provided with symmetrically distributed clamping threaded holes 15 and equidistantly distributed guide sliding holes 16 for installing positioning clamping components to fix one side of the pipe.

[0037] Calibration positioning slide 12: It is slidably connected to the sliding groove on the inner side of the top of the position adjustment support plate 18, and can move longitudinally to assist in multi-dimensional calibration of the pipeline;

[0038] Position adjustment support plate 18: The top surface is slidably connected to the guide slide groove 14 of the working support frame 1 through the sliding plate, the bottom surface is fixedly connected to the adjustment slide 17, and the top inner side is provided with a sliding through groove for adjusting the lateral position and connecting the calibration positioning slide 12.

[0039] Fixed slide plate 3: The outer side is fixedly connected to the guide slide rod 5, the inner side is fixedly connected to the buffer friction pad 6, and the outer side is rotatably connected to the clamping drive bolt 4. The guide slide rod 5 slides in conjunction with the guide slide hole 16 of the fixed positioning support frame 2 to achieve clamping and fixing of the pipe.

[0040] Clamping drive bolt 4: threadedly connected to the clamping threaded hole 15 of the fixed positioning support frame 2, and pushes the fixed slide plate 3 to move during rotation to adjust the clamping force;

[0041] Guide slide rod 5: It is slidably connected to the guide slide hole 16 of the fixed positioning support frame 2 to guide the fixed slide plate 3 to move smoothly and avoid deviation;

[0042] Buffer friction pad 6: Fixed to the inside of the fixed slide plate 3, made of flexible material, it protects the pipe surface and enhances friction when clamped;

[0043] Adjustment slide 17: Fixed to the bottom surface of position adjustment support plate 18, and slidably connected to the sliding groove at the top of auxiliary sliding support frame 11, used to adapt to the lateral position adjustment of pipes with different diameters;

[0044] Sliding plate: Fixed to the top of the position adjustment support plate 18, and slidably connected to the guide groove 14 of the working support frame 1. The top surface is provided with a positioning threaded hole 19 for installing the top positioning bolt 13 to fix the position.

[0045] Top positioning bolt 13: threadedly connected to the positioning threaded hole 19 on the top of the position adjustment support plate 18, and frictionally connected to the top surface of the working support frame 1 on the bottom surface, used to fix the lateral position of the position adjustment support plate 18;

[0046] Auxiliary sliding support frame 11: The top is provided with a sliding groove, the inner side is slidably connected to the adjusting slide table 17, and the side is provided with equally spaced threaded through holes for installing adjusting and fixing bolts 7 to achieve fine adjustment of the lateral position;

[0047] Adjusting fixing bolt 7: threaded connection with the threaded through hole on the side of the auxiliary sliding support frame 11, and friction connection with the top surface of the adjusting slide 17, used to fix or loosen the adjusting slide 17;

[0048] Auxiliary clamping slide plate 10: The inner side is fixedly connected to the buffer friction pad 6, the outer side is fixedly connected to the auxiliary guide slide rod 9, and the outer side is rotatably connected to the auxiliary clamping drive bolt 8. The auxiliary guide slide rod 9 slides with the guide slide hole 16 of the auxiliary sliding support frame 11 to achieve clamping and angle calibration of the pipeline.

[0049] Auxiliary clamping drive bolt 8: threadedly connected to the clamping threaded hole 15 on the outside of the auxiliary sliding support frame 11, and pushes the auxiliary clamping slide plate 10 to move to calibrate the pipe position when rotated;

[0050] Auxiliary guide slide 9: It is slidably connected to the guide slide hole 16 on the outside of the auxiliary sliding support frame 11 to ensure that the auxiliary clamping slide plate 10 moves smoothly;

[0051] Clamping threaded hole 15: Opened on the side of the fixed positioning support frame 2 and the auxiliary sliding support frame 11, used for threaded connection of clamping drive bolt 4 and auxiliary clamping drive bolt 8;

[0052] Guide sliding hole 16: It is opened on the side of the fixed positioning support frame 2 and the auxiliary sliding support frame 11, and is used to slide the guide slide rod 5 and the auxiliary guide slide rod 9.

[0053] Positioning threaded hole 19: Opened on the top surface of the sliding bracket at the top of the position adjustment support plate 18, for threaded connection of the top positioning bolt 13;

[0054] Working principle: When this utility model is needed, one end of the special pipe to be installed is placed in the fixed positioning support frame 2. By rotating and clamping the drive bolt 4, the fixed sliding plate 3 is pushed to slide along the guide sliding rod 5 in the guide sliding hole 16, so that the buffer friction pad 6 is in close contact with the pipe surface, completing the fixation on one side. According to the pipe length requirements, the sliding position of the support plate 18 is adjusted, and its top sliding plate moves along the guide sliding groove 14 of the working support frame 1. After adjusting to the appropriate position, the top positioning bolt 13 is screwed in for fixation. At the same time, the other end of the pipe is connected to the auxiliary sliding support through the adjusting sliding table 17. The top of the frame 11 is connected to a sliding groove. The lateral position of the auxiliary sliding support frame 11 can be finely adjusted by rotating the adjusting fixing bolt 7 to adapt to different pipe diameters. Rotating the auxiliary clamping drive bolt 8 drives the auxiliary clamping slide plate 10 to slide along the guide sliding hole 16 of the auxiliary sliding support frame 11. The pipe is clamped and the angle is calibrated by the buffer friction pad 6. At the same time, the calibration positioning slide 12 moves longitudinally along the sliding through groove of the position adjustment support plate 18 to achieve multi-dimensional positioning. After confirming that the pipe position is correct, the bolt structure of each component is fixed to complete the precise positioning calibration and provide reliable support for pipe installation.

[0055] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning and calibration auxiliary instrument for special pipeline installation, characterized in that, include: The work support frame (1), the fixed positioning support frame (2), the calibration positioning slide (12), and the position adjustment support plate (18) are provided. The fixed positioning support frame (2) is fixedly connected to the top and bottom surfaces of the work support frame (1). The top surface of the work support frame (1) is provided with equidistantly distributed guide grooves (14). The position adjustment support plate (18) is slidably connected to the inner side of the guide grooves (14). The calibration positioning slide (12) is fixedly connected to the top and bottom surfaces of the work support frame (1). The inner side of the top of the position adjustment support plate (18) is provided with a sliding through groove. The calibration positioning slide (12) is slidably connected to the inner side of the sliding through groove. A positioning clamping assembly is installed inside the fixed positioning support frame (2), which is used to position and fix one side of a special pipe; A sliding adjustment positioning calibration component is set on the bottom surface of the position adjustment support plate (18). The sliding adjustment positioning calibration component includes a sliding adjustment component and a positioning calibration component. The sliding adjustment positioning calibration component is used to assist in the calibration and positioning of special pipelines to be installed.

2. The positioning and calibration auxiliary instrument for special pipeline installation according to claim 1, characterized in that: The fixed positioning support frame (2) has symmetrically distributed clamping threaded holes (15) on its side and equidistantly distributed guide sliding holes (16) on its side.

3. The positioning and calibration auxiliary instrument for special pipeline installation according to claim 2, characterized in that: The positioning and clamping assembly includes a fixed slide plate (3), a clamping drive bolt (4), a guide slide rod (5), and a buffer friction pad (6). The outer side of the fixed slide plate (3) is fixedly connected with guide slide rods (5) distributed at equal intervals. The outer side of the fixed slide plate (3) is provided with a rotating groove. The inner side of the fixed slide plate (3) is fixedly connected with a buffer friction pad (6). The inner side of the rotating groove on the outer side of the fixed slide plate (3) is rotatably connected with a clamping drive bolt (4). The inner side of the guide slide hole (16) is slidably connected with a guide slide rod (5). The inner side of the clamping threaded hole (15) is threadedly connected with a clamping drive bolt (4). The fixed positioning support frame (2) is provided with symmetrically distributed positioning and clamping assemblies on both sides.

4. The positioning and calibration auxiliary instrument for special pipeline installation according to claim 1, characterized in that: The bottom surface of the position adjustment support plate (18) is fixedly connected to an adjustment slide (17), and the top surface of the position adjustment support plate (18) is fixedly connected to a sliding bracket. The top surface of the sliding bracket is provided with a positioning threaded hole (19). The inner side of the guide slide groove (14) is slidably connected to the sliding bracket. The inner side of the positioning threaded hole (19) is threadedly connected to a top positioning bolt (13). The bottom surface of the top positioning bolt (13) is frictionally connected to the top surface of the working support frame (1), which is used to adjust and fix the position of the position adjustment support plate (18).

5. The positioning and calibration auxiliary instrument for special pipeline installation according to claim 4, characterized in that: The sliding adjustment assembly includes an adjusting fixing bolt (7) and an auxiliary sliding support frame (11). The top of the auxiliary sliding support frame (11) is provided with a sliding groove, and an adjusting slide (17) is slidably connected to the inner side of the sliding groove. The side of the auxiliary sliding support frame (11) is provided with equally spaced threaded through holes, and the inner side of the threaded through holes is threadedly connected to the adjusting fixing bolt (7). The top surface of the adjusting fixing bolt (7) is frictionally connected to the adjusting slide (17).

6. The positioning and calibration auxiliary instrument for special pipeline installation according to claim 5, characterized in that: The positioning calibration component includes an auxiliary clamping drive bolt (8), an auxiliary guide slide rod (9), and an auxiliary clamping slide plate (10). The auxiliary sliding support frame (11) has clamping threaded holes (15) and guide slide holes (16) that are evenly distributed on its side. A buffer friction pad (6) is fixedly connected to the inner side of the auxiliary clamping slide plate (10). An auxiliary guide slide rod (9) that is evenly distributed is fixedly connected to the outer side of the auxiliary clamping slide plate (10). An auxiliary clamping drive bolt (8) is rotatably connected to the outer side of the auxiliary clamping slide plate (10). An auxiliary clamping drive bolt (8) is threadedly connected to the inner side of the clamping threaded hole (15) on the outer side of the auxiliary sliding support frame (11). An auxiliary guide slide rod (9) is slidably connected to the inner side of the guide slide hole (16) on the outer side of the auxiliary sliding support frame (11).