Rail transit vehicle profile cutting auxiliary device
By designing a cutting auxiliary device including the main frame and cutting arm of the square frame structure, the problem of difficulty in ensuring the straightness of the profile of rail transit vehicle is solved, and an efficient and stable cutting process is achieved, reducing the subsequent grinding needs and ensuring Security.
Patent Information
- Application Number
- CN202420206624.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-01-26
AI Technical Summary
In the prior art, due to the low manual operation accuracy of the profiles of rail transit vehicles, it is difficult to ensure the straightness of the cut profiles, which affects the use effect and often requires subsequent repeated polishing.
A cutting auxiliary device with simple structure, easy operation, stable work and high cutting efficiency is designed, including a main frame with a square frame structure and a cutting arm arranged on the side of the main frame. The sliding smoothly through the roller and bearings and through adjustment The bolts control the vertical height of the cutting arm to adjust the cutting depth.
The straightness of the cut profile is achieved to meet the requirements, reduce the need for subsequent polishing, ensure the stability of the cutting machine, reduce the risk of cutting jump knife or accidental injury, and there is no safety hazard, and it has high practical value.
Smart Images

Figure CN222471511U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of rail transit vehicle manufacturing, and in particular relates to a rail transit vehicle profile cutting auxiliary device. Background Art
[0002] Cutting rail transit vehicle profiles is an important task in daily production. It is very important to ensure straightness and not damage the parent material during cutting.
[0003] At present, in addition to machining cutting, the parts that cannot be processed by the equipment are often cut manually by cutting machines. Due to the low precision of manual operation, it is difficult to ensure the straightness of the cut profiles, which affects the use effect and often requires subsequent repeated grinding. Therefore, the development of a cutting auxiliary device with simple structure, easy operation, stable operation and high cutting efficiency has been put on people's research agenda. Utility Model Content
[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a cutting auxiliary device with simple structure, easy operation, stable operation and high cutting efficiency.
[0005] The utility model discloses a rail transit vehicle profile cutting auxiliary device, which comprises a main frame in a square frame structure and a cutting arm arranged on the side of the main frame, the main frame comprises 4 pipe bodies, the pipe bodies are connected and fixed by a plurality of transversely arranged and longitudinally arranged bolts to form a square frame, a roller is sleeved outside the bolt, bearings are arranged on both sides of the roller, so that the roller can rotate freely around the bolt, one end of the cutting arm is movably mounted on the main frame, the other end of the cutting arm is provided with a mounting frame for installing a cutting machine, a longitudinal tube is arranged in the middle of the cutting arm, a longitudinal strip hole is arranged on the longitudinal tube, and an adjusting bolt is inserted into the longitudinal strip hole and fixed on the main frame.
[0006] According to some embodiments of the present invention, the bolt mounting hole is covered with a cover plate.
[0007] According to some embodiments of the utility model, an anti-loosening gasket is provided when the bolt is installed.
[0008] According to some embodiments of the utility model, a connecting rod is provided on the main frame, and one end of the cutting arm is movably sleeved on the connecting rod.
[0009] According to some embodiments of the present utility model, the connecting rod is connected to a push-pull handle.
[0010] According to some embodiments of the utility model, the mounting frame includes left and right mounting plates, and fixing bolts are arranged on the mounting plates.
[0011] According to some embodiments of the present invention, a striped pattern is provided on the surface of the drum.
[0012] According to some embodiments of the present invention, the cross section of the main frame is a square.
[0013] According to some embodiments of the present invention, the tube body is a square tube.
[0014] According to some embodiments of the present invention, the cutting arm is made of square steel.
[0015] The utility model has at least the following beneficial effects: before using the cutting auxiliary device, the cutting machine needs to be fixed on the mounting bracket of the cutting arm, and the cutting machine is fastened and installed with fixing bolts. The main frame of the square frame structure is installed on the rectangular slideway. The slideway is used to fix the motion path, and can also stabilize the main frame for linear sliding. The roller on the main frame is in contact with the rectangular slideway, thereby ensuring smooth and unobstructed sliding. Then, the vertical height of the cutting arm is adjusted by adjusting the bolt to control the cutting depth of the cutting machine. Finally, the cutting machine is turned on, and the cutting auxiliary device is slowly pushed forward during cutting. The main frame and the cutting arm slide linearly back and forth on the slideway to complete the cutting work. The cutting straightness meets the on-site intercity train straightness requirements, and the cutting auxiliary device has a simple structure and is flexible to use. It effectively ensures the stability of the cutting machine, is not easy to shake, reduces the situation of cutting knife jumping or accidental injury to the operator, does not have any safety hazards, and has high practical value.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:
[0018] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0020] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0021] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0023] Reference Figure 1 A rail transit vehicle profile cutting auxiliary device includes a main frame 1 with a square frame structure and a cutting arm 2 arranged on the side of the main frame 1. The main frame 1 includes four tubes 11. In order to ensure the strength of the product, the tubes 11 are square tubes. The tubes 11 are connected and fixed by a plurality of bolts 12 arranged horizontally and longitudinally to form a square frame. In order to make the product slide more smoothly, the cross section of the main frame 1 is square; in order to prevent the bolts 12 from loosening, anti-loosening gaskets are arranged when the bolts 12 are installed. A roller 13 is sleeved on the bolt 12. In order to increase the friction force on the surface of the roller 13, a strip pattern is arranged on the surface of the roller 13. Bearings 14 are arranged on both sides of the roller 13, so that the roller 13 can rotate freely around the bolt 12. One end of the cutting arm 2 is movably installed on the main frame 1. In order to ensure the strength of the cutting arm 2, the cutting arm 2 is made of square steel. The other end of the cutting arm 2 is provided with a mounting frame 21 for mounting the cutting machine. The mounting frame 21 includes left and right mounting plates 211, and a fixing bolt 212 is arranged on the mounting plate 211. A longitudinal tube 22 is provided in the middle of the cutting arm 2, and a longitudinal strip hole 23 is provided on the longitudinal tube 22. An adjusting bolt 24 is inserted into the longitudinal strip hole 23 and fixed to the main frame 1. The vertical height of the cutting arm 2 can be adjusted by adjusting the bolt 24, thereby controlling the cutting depth of the cutting machine, and ensuring a suitable cutting depth can improve the cutting efficiency.
[0024] In order to prevent dust from entering the bolts and affecting the use of the product, the mounting holes of the bolts 12 are covered with a cover plate 15.
[0025] A connecting rod 16 is provided on the main frame 1, and one end of the cutting arm 2 is movably sleeved on the connecting rod 16. In order to facilitate the push-pull action of the auxiliary device, the connecting rod 16 is connected with a push-pull handle.
[0026] Before using the cutting auxiliary device, the cutting machine needs to be fixed on the mounting frame 21 of the cutting arm 2, and the cutting machine needs to be fastened and installed with the fixing bolts 212. The main frame 1 with a square frame structure is installed on a rectangular slide. The slide serves to fix the motion path and can also stabilize the main frame for linear sliding. The roller 13 on the main frame 1 is in contact with the rectangular slide, thereby ensuring smooth and unobstructed sliding. Then adjust the vertical height of the cutting arm 2 by adjusting the bolt 24 to control the cutting depth of the cutting machine. Finally, turn on the cutting machine and slowly push the cutting auxiliary device forward and backward on the slide to complete the cutting work. The cutting straightness meets the straightness requirements of the intercity train on site. The cutting auxiliary device has a simple structure and is flexible to use. It effectively ensures the stability of the cutting machine, is not easy to shake, reduces the situation of cutting knife jumping or accidental injury to the operator, does not have any safety hazards, and has high practical value.
[0027] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A rail transit vehicle profile cutting auxiliary device, characterized in that: The invention comprises a main frame (1) in a square frame structure and a cutting arm (2) arranged on the side of the main frame (1). The main frame (1) comprises four tubes (11). The tubes (11) are connected and fixed by a plurality of bolts (12) arranged transversely and longitudinally to form a square frame. A roller (13) is sleeved outside the bolt (12). Bearings (14) are arranged on both sides of the roller (13), so that the roller (13) can rotate freely around the bolt (12). One end of the cutting arm (2) is movably mounted on the main frame (1). The other end of the cutting arm (2) is provided with a mounting frame (21) for mounting the cutting machine. A longitudinal tube (22) is arranged in the middle of the cutting arm (2). A longitudinal strip hole (23) is arranged on the longitudinal tube (22). An adjusting bolt (24) is inserted into the longitudinal strip hole (23) and fixed to the main frame (1).
2. A rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: The bolt (12) mounting hole is covered with a cover plate (15).
3. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: When the bolt (12) is installed, an anti-loosening gasket is provided.
4. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: A connecting rod (16) is provided on the main frame (1), and one end of the cutting arm (2) is movably sleeved on the connecting rod (16).
5. The rail transit vehicle profile cutting auxiliary device according to claim 4, characterized in that: The connecting rod (16) is connected with a push-pull handle.
6. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: The mounting frame (21) comprises left and right mounting plates (211), and fixing bolts (212) are arranged on the mounting plates (211).
7. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: The surface of the drum (13) is provided with striped patterns.
8. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: The cross section of the main frame (1) is a square.
9. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: The tube body (11) is a square tube.
10. The rail transit vehicle profile cutting auxiliary device according to claim 1, characterized in that: The cutting arm (2) is made of square steel.