Positioning frame for heat treatment of fish hook tongue

Abstract

The utility model discloses a positioning frame for fishplate heat treatment, including the positioning board, and the bottom plate is fixedly connected between the left and right sides of positioning board, and the side surface of positioning board is equipped with the first positioning hole at intervals, and the support column is equipped with the second positioning hole at intervals in the surface of support column, and the fixed sleeve is fixedly installed in the left and right two ends of support column respectively, and the first screw rod is movably installed in the inside of fixed sleeve, and the outside fixed mounting of first screw rod has the sliding block, and the first screw nut is screwed on the outside of first screw rod, and the second screw rod passes through second positioning hole, and the top fixed mounting of second screw rod has the limit tube, and the outside screwing of second screw rod has the second screw nut. Can separate the fishplate, can make the fishplate not contact each other, is favorable to the improvement heat treatment quality.

Description

Technical Field

[0001] This utility model relates to the field of positioning frames, specifically to a positioning frame for heat treatment of hook tongues. Background Technology

[0002] The coupler tongue is a crucial connecting component on railway trains. Its function is to couple locomotives and rolling stock, or rolling stock and rolling stock together, and to transmit traction and impact forces while maintaining a certain distance between the vehicles. For example, Chinese patent 201120402358.9 discloses a coupler tongue, including a coupler tongue with an S-surface and wear-resistant plates. It possesses the following advantages: excellent economic performance and long service life, making it widely applicable to railway trains, especially high-speed heavy-haul trains. During processing, the coupler tongue typically requires heat treatment to eliminate welding stress, restore material properties, and improve repair quality. Currently, the existing method for heat treatment involves stacking the coupler tongues in a furnace. However, the contacting parts can cause obstruction, leading to overheating or insufficient heating of the obstructed areas, affecting the heat treatment quality. Therefore, it is necessary to provide a positioning frame that prevents the coupler tongues from contacting each other. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a positioning frame for heat treatment of hooks, which can separate the hooks and prevent them from contacting each other, thereby improving the quality of heat treatment.

[0004] According to the technical solution provided by the embodiments of this utility model, a positioning frame for heat treatment of hook tongue includes a positioning plate, a base plate fixedly connected between the left and right positioning plates, a first positioning hole spaced apart on the side of the positioning plate, and the left and right positioning plates being parallel to each other; and a support column spaced above the base plate, a second positioning hole spaced apart on the surface of the support column, and the support column passing through the pin hole of the hook tongue.

[0005] The fixing sleeves are respectively fixedly installed at the left and right ends of the support column, the ends of the fixing sleeves are in contact with the positioning plate, and the diameter of the support column is equal to the diameter of the fixing sleeves.

[0006] A first screw is movably installed inside the fixed sleeve. A slider is fixedly installed on the outer side of the first screw. The inner wall of the fixed sleeve is provided with a guide groove for the slider to slide. The slider is located in the guide groove. The first screw passes through the first positioning hole. A pull head is fixedly installed at the end of the first screw away from the support column. The diameter of the pull head is smaller than the diameter of the first screw.

[0007] The first threaded sleeve is screwed onto the outside of the first screw rod and abuts against the side of the positioning plate; the second screw rod passes through the second positioning hole, a limiting tube is fixedly installed on the top of the second screw rod, and a second threaded sleeve is screwed onto the outside of the second screw rod. The limiting tube abuts against the side of the hook tongue, and the limiting tube and the second threaded sleeve abut against the upper and lower parts of the support column, respectively.

[0008] In summary, the beneficial effects of this utility model are as follows:

[0009] 1. By using a combination of positioning plate, support column, fixing sleeve, first screw, slider, first screw sleeve, second screw, limiting tube and second screw sleeve, the hook tongues can be separated, so that the hook tongues do not come into contact with each other, which is beneficial to improving the heat treatment quality.

[0010] 2. By setting the first positioning hole and the second positioning hole, the first screw is installed in the first positioning hole at the appropriate position and the second screw is installed in the second positioning hole at the appropriate position. This allows the product to adjust the spacing between the limit tubes and the support columns according to the different sizes of the hook tongues, thereby improving the adaptability of the product. Attached Figure Description

[0011] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0012] Figure 1 This is a schematic diagram of the structure of the present invention and the hook tongue connection;

[0013] Figure 2 This is a side view of the positioning plate of this utility model.

[0014] Figure 3 This is a top view of the connection between the second positioning hole and the fixing sleeve of this utility model;

[0015] Figure 4 This is a side view of the connection between the second screw, the limiting tube, and the second screw sleeve of this utility model.

[0016] Figure 5 This is a structural schematic diagram of the connection between the fixing sleeve, the first screw, the slider, the first screw sleeve, and the pull head of this utility model.

[0017] The following are the labels in the diagram: 1. Positioning plate; 2. Base plate; 3. First positioning hole; 4. Support column; 5. Second positioning hole; 6. Fixing sleeve; 7. First screw; 8. Slider; 9. First threaded sleeve; 10. Second screw; 11. Limiting tube; 12. Second threaded sleeve; 13. Pull head; 14. Hook tongue. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0019] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A positioning frame for hook tongue heat treatment includes a positioning plate 1, a base plate 2 fixedly connected between the left and right sides of the positioning plate 1, and first positioning holes 3 spaced apart on the side of the positioning plate 1; a support column 4, spaced apart above the base plate 2, and second positioning holes 5 spaced apart on the surface of the support column 4; a fixing sleeve 6, fixedly installed at the left and right ends of the support column 4; a first screw 7, movably installed inside the fixing sleeve 6, and a slider 8 fixedly installed on the outside of the first screw 7; a first threaded sleeve 9, screwed onto the outside of the first screw 7; and a second screw 10, passing through the second positioning hole 5, with a limit tube 11 fixedly installed on the top of the second screw 10, and a second threaded sleeve 12 screwed onto the outside of the second screw 10.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the positioning plates 1 on the left and right sides are parallel to each other, and the support column 4 passes through the pin hole of the hook tongue 14. The end of the fixing sleeve 6 contacts the positioning plate 1, and the diameter of the support column 4 is equal to the diameter of the fixing sleeve 6.

[0022] like Figure 1 , Figure 3 and Figure 5 As shown, the inner wall of the fixed sleeve 6 is provided with a guide groove for the sliding of the slider 8, so that the slider 8 can slide axially along the guide groove, and the slider 8 is located in the guide groove. A pull head 13 is fixedly installed at the end of the first screw 7 away from the support column 4. The pull head 13 facilitates the pulling out of the first screw 7. The diameter of the pull head 13 is smaller than the diameter of the first screw 7.

[0023] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the first threaded sleeve 9 abuts against the side of the positioning plate 1, and the limiting tube 11 abuts against the side of the hook tongue 14, thereby limiting the hook tongue 14. The limiting tube 11 and the second threaded sleeve 12 abut against the upper and lower parts of the support column 4, respectively, and the first screw 7 passes through the first positioning hole 3.

[0024] In use: First, pass the support column 4 through the pin hole of the hook tongue 14 to be heat-treated. Then, pass the second screw 10 through the second positioning hole 5 and screw the second threaded sleeve 12 on the outside of the second screw 10. The limiting tube 11 will abut against the side of the hook tongue 14, which can separate the hook tongues 14 and prevent them from contacting each other, which is beneficial to improving the heat treatment quality. Then, pull out the first screw 7 through the pull head 13, so that the first screw 7 passes through the first positioning hole 3 and screw the first threaded sleeve 9 on the outside of the first screw 7 to complete the fixation of the support column 4. By setting the first positioning hole 3 and the second positioning hole 5, the first screw 7 is installed in the first positioning hole 3 at the appropriate position and the second screw 10 is installed in the second positioning hole 5 at the appropriate position. This allows the product to adjust the distance between the limiting tubes 11 and between the support columns 4 according to the different sizes of hook tongues 14, which can improve the adaptability of the product. Then, the product is sent into the heating furnace by the conveyor belt for heat treatment of the hook tongue 14.

[0025] It should be noted that the hook tongue 14 in this product and the above components are derived from existing technology. Their specific structure and working principle can be referred to the Chinese utility model patent disclosed in patent application number: 201120402358.9.

[0026] The above description is merely a preferred embodiment of this utility model and an explanation of the technical principles and solutions employed. Furthermore, the scope of this invention is not limited to the specific combinations of the above-described technical features, but also includes other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this utility model.

Claims

1. A positioning frame for hook-type heat treatment, characterized in that: Including positioning plate (1), the left and right side positioning plate (1) between fixedly connected with bottom plate (2), the side of positioning plate (1) is equipped with first positioning hole (3) at intervals; Support column (4), the support column (4) is equipped with second positioning hole (5) at intervals on the top of bottom plate (2); Fixed sleeve (6), the fixed sleeve (6) is respectively fixedly installed in the left and right ends of support column (4); First screw rod (7), the first screw rod (7) is movably installed in the inside of fixed sleeve (6), the outside of first screw rod (7) is fixedly installed with sliding block (8); First screw sleeve (9), the first screw sleeve (9) is screwed on the outside of first screw rod (7); Second screw rod (10), the second screw rod (10) passes through second positioning hole (5), the top of second screw rod (10) is fixedly installed with limit tube (11), the outside of second screw rod (10) is screwed with second screw sleeve (12).

2. The holder for heat treatment of a knuckle tongue according to claim 1, characterized in that: The left and right side positioning plate (1) is parallel to each other, the support column (4) passes through the pin hole of hook tongue (14).

3. The holder for heat treatment of a knuckle tongue according to claim 1, characterized in that: The end of fixed sleeve (6) is in contact with positioning plate (1), the diameter of support column (4) is equal to the diameter of fixed sleeve (6).

4. The holder for heat treatment of a knuckle tongue according to claim 1, characterized in that: The inner wall of fixed sleeve (6) is equipped with guide sliding slot for sliding of sliding block (8), the sliding block (8) is located in the guide sliding slot.

5. The holder for heat treatment of a knuckle tongue according to claim 1, characterized in that: The end of first screw rod (7) away from support column (4) is fixedly installed with pull head (13), the diameter of pull head (13) is less than the diameter of first screw rod (7).

6. The holder for heat treatment of a knuckle tongue according to claim 2, characterized in that: The first screw sleeve (9) is in abutment on the side of positioning plate (1), the limit tube (11) is in abutment on the side of hook tongue (14).

7. The holder for heat treatment of a knuckle tongue according to claim 1, characterized in that: The limit tube (11) and the second screw sleeve (12) are respectively in abutment on the upper and lower sides of support column (4), the first screw rod (7) passes through first positioning hole (3).

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