Hard light straight pipe joint gap adjusting device

Abstract

The utility model relates to a gap adjusting device for a hard light straight pipe joint, and belongs to the technical field of hard light straight pipe medium pipelines in the metallurgical industry. According to the technical scheme, the adjustable clamp comprises an upper part and a lower part which are identical, the upper part and the lower part are connected together through a bolt (8), each part comprises two identical fixed clamp teeth (1), a pin shaft (2), a crank arm (3), an adjusting nut (5), an adjusting rod (6) and a fixed footstand (7), each fixed clamp tooth (1) is installed at one end of the crank arm (3) through the pin shaft (2), and the adjusting nut (5) is connected with the adjusting rod (6) through the pin shaft (2). Fixing foot stands (7) are arranged at the two ends of the pin shaft (2), the other end of the crank arm (3) is installed on the adjusting rod (6) through the adjusting nut (5), and the whole body is of a bilateral symmetry structure. The utility model has the beneficial effects that a simple and convenient tool is provided for adjusting the gap of the hard light straight pipe joint which is installed and fixed on site, the maintenance efficiency is improved, the labor intensity is reduced, and the maintenance cost is saved.

Description

Technical Field

[0001] This utility model relates to a gap adjustment device for a rigid straight pipe joint, belonging to the technical field of rigid straight pipe media pipeline in the metallurgical industry. Background Technology

[0002] In industrial production, rigid, straight-tube media pipelines are ubiquitous. These pipelines are primarily used for transporting and transferring various energy media. Leaks can cause various safety and environmental accidents. These pipelines inevitably contain various types of pipe joints, many of which are equipped with seals. During use, factors such as pipeline impact and vibration, aging and failure of seals, and damage to media valves can lead to uncontrolled media leakage or other issues, necessitating the replacement of components or seals at the joints. Since media pipelines are often installed in a suspended manner and secured with pipe clamps at specified intervals, and their surfaces are covered with various protective and insulation materials, replacing components or seals at the joints requires adjusting the joint gap to facilitate installation. Because rigid, straight-tube pipes have numerous fixed points and lack axial stress points, adjusting the joint gap is difficult. Removing insulation or loosening fasteners would significantly increase maintenance costs. Therefore, it is necessary to design a rigid, straight-tube joint gap adjustment device to improve work efficiency and reduce labor intensity. Utility Model Content

[0003] The purpose of this invention is to provide a rigid straight pipe joint gap adjustment device that is simple to operate and easy to adjust, thus solving the problems existing in the background technology.

[0004] The technical solution of this utility model is:

[0005] A rigid straight pipe joint gap adjustment device comprises two identical upper and lower parts connected together by bolts. Each part includes a fixing jaw, a pin, a crank arm, an adjusting nut, an adjusting rod, and a fixing foot. Each part contains two identical fixing jaws, each of which is mounted on one end of the crank arm via a pin. The pin has fixing feet at both ends, and the other end of the crank arm is mounted on the adjusting rod via an adjusting nut. The overall structure is symmetrical.

[0006] The adjusting rod has threads at both ends and an external hexagonal structure in the middle. The adjusting female thread is connected to both ends of the adjusting rod.

[0007] The adjusting nut is equipped with a retaining ring that cooperates with the crank arm.

[0008] The fixed jaws are provided with a pin hole A, and the crank arm is provided with pin holes B and C. Pin holes A and B are engaged with the pin. The adjusting nut is provided with a threaded hole and a retaining ring groove. The adjusting nut is assembled with the pin hole C of the crank arm, and a retaining ring is installed in the retaining ring groove of the adjusting nut.

[0009] The fixing jaws are equipped with arc-shaped anti-slip serrations, the size of which matches the pipe fitting.

[0010] The fixed foot is provided with a pin hole D and a bolt hole, and the pin hole D is concentric with the pin hole B.

[0011] The pin is provided with a cotter pin hole, and a cotter pin is provided in the cotter pin hole.

[0012] The beneficial effects of this utility model are: This utility model provides a simple and convenient tool for adjusting the gap of rigid straight pipe joints that are installed and fixed on site, which improves maintenance efficiency, reduces labor intensity, saves maintenance costs, and ensures stable production. Attached Figure Description

[0013] Figure 1 This is the front view of the present invention;

[0014] Figure 2 This is a side view of the present invention;

[0015] Figure 3 This is a front view of the fixed clamp teeth of this utility model;

[0016] Figure 4 This is a side view of the fixed clamp teeth of this utility model;

[0017] Figure 5 This is a front view of the articulated arm of this utility model;

[0018] Figure 6 This is a front view of the fixed clamp teeth and the curved arm of this utility model after welding;

[0019] Figure 7 This is a side view of the fixed clamp teeth and the curved arm of this utility model after welding;

[0020] Figure 8 This is a front view of the adjusting female part of this utility model;

[0021] Figure 9 This is an isometric view of the fixed foot of this utility model;

[0022] Figure 10 This is a front view of the pin shaft of this utility model;

[0023] Figure 11 This is an isometric side view of the fixed jaws, crank arm, retaining ring, and adjusting nut of this utility model after assembly;

[0024] Figure 12 This is an isometric side view of the fixed clamping jaws, crank arm, retaining ring, adjusting nut, and adjusting rod of this utility model after assembly.

[0025] Figure 13 This is an isometric side view of the assembly drawing of this utility model;

[0026] Figure 14 This is a schematic diagram of the usage state of this utility model;

[0027] In the diagram: 1. Fixed jaw, 2. Pin, 3. Crank arm, 4. Snap ring, 5. Adjusting nut, 6. Adjusting rod, 7. Fixed foot, 8. Bolt, 9. Flange nut, 10. Washer, 11. Cotter pin, 12. Threaded hole, 13. Pin hole A, 14. Pin hole B, 15. Pin hole C, 16. Bolt hole, 17. Snap ring groove, 18. Cotter pin hole, 19. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and examples.

[0029] See attached document Figure 1-14 A rigid straight pipe joint gap adjustment device comprises two identical upper and lower parts connected together by bolts 8. Each part includes a fixing jaw 1, a pin 2, a crank arm 3, an adjusting nut 5, an adjusting rod 6, and a fixing foot 7. The fixing jaw 1 in each part consists of two identical ones. Each fixing jaw 1 is mounted on one end of the crank arm 3 via the pin 2. The pin 2 has fixing feet 7 at both ends. The other end of the crank arm 3 is mounted on the adjusting rod 6 via the adjusting nut 5. The whole device has a left-right symmetrical structure.

[0030] In this embodiment, refer to the appendix Figure 1-14 This utility model provides a method such as Figure 1 The rigid straight pipe joint gap adjustment device shown includes a fixing jaw 1, a pin 2, a crank arm 3, a retaining ring 4, an adjusting nut 5, an adjusting rod 6, a fixing foot 7, a bolt 8, a flange nut 9, a washer 10, and a cotter pin 11, wherein:

[0031] See attached document Figure 3 , 4 The fixing jaw 1 is provided with arc-shaped anti-slip serrations and a pin hole A13;

[0032] See attached document Figure 5 The crank arm 3 has two pin holes. Pin hole B14 is used to match pin hole A13 of the fixing jaw 1, and pin hole C15 is used to assemble with adjusting nut 5. The fixing crank arm 3 is symmetrically welded on both sides of the fixing jaw 1, so that the pin hole A13 of the fixing jaw 1 and the corresponding pin hole B14 of the crank arm 3 are concentric, as shown in the attached figure. Figure 6 , 7 As shown;

[0033] See attached document Figure 8 The adjusting nut 5 has a threaded hole 12 and a retaining ring groove 18. The adjusting nut 5 is assembled with the welded crank arm as a whole. The retaining ring 4 is installed in the retaining ring groove 18, which serves to position and prevent detachment. The previous part requires the completion of four assemblies. See Appendix. Figure 11 ;

[0034] See attached document Figure 12 The adjusting rod 6 has threads on both sides and an external hexagonal structure in the middle. The two ends of the adjusting rod 6 are symmetrically installed with the assembled adjusting nut 5 through threads. This part requires the completion of two assemblies.

[0035] See attached document Figure 9 The fixed foot 7 is provided with a pin hole D16 and a bolt hole 17. The fixed foot is symmetrically installed on both sides of the welded crank arm 3 through the pin 2, with a total of eight fixed feet.

[0036] See attached document Figure 10 The pin 2 has a cotter pin hole 19, and the cotter pin 11 is installed in the cotter pin hole 19 for positioning and preventing detachment; the two assembled parts are shown in the appendix. Figure 13 The mirror installation is completed by using bolts and flange nuts through the bolt holes of the fixing feet.

[0037] See attached document Figure 1 , 2 13, 14, When using, first loosen the fastening bolt 8, and then... Figure 13 The assembly shown is placed on one side of the optical tube, and the remaining assembly is placed in a symmetrical position. The bolts 8 and flange nuts 9 are then tightened. After tightening, the gap of the rigid optical straight tube joint can be adjusted by using a wrench to adjust the hexagonal structure in the middle of the adjusting rod 6 as needed.

Claims

1. A rigid straight pipe joint gap adjustment device, characterized in that: It consists of two identical upper and lower parts connected together by bolts (8). Each part includes a fixing jaw (1), a pin (2), a crank arm (3), an adjusting nut (5), an adjusting rod (6), and a fixing foot (7). The fixing jaws (1) in each part are two identical ones. Each fixing jaw (1) is installed on one end of the crank arm (3) by a pin (2). The pin (2) has fixing feet (7) at both ends. The other end of the crank arm (3) is installed on the adjusting rod (6) by an adjusting nut (5). The whole structure is symmetrical.

2. The rigid straight pipe joint gap adjustment device according to claim 1, characterized in that: The adjusting rod (6) has threads at both ends and an external hexagonal structure in the middle. The adjusting nut (5) is threaded to both ends of the adjusting rod (6).

3. The rigid straight pipe joint gap adjustment device according to claim 2, characterized in that: The adjusting nut (5) is provided with a retaining ring (4) that cooperates with the crank arm (3).

4. The rigid straight pipe joint gap adjustment device according to claim 3, characterized in that: The fixed clamp (1) is provided with a pin hole A (13), the crank arm (3) is provided with a pin hole B (14) and a pin hole C (15), the pin hole A (13) and the pin hole B (14) are engaged with the pin (2); the adjusting nut (5) is provided with a threaded hole (12) and a retaining ring groove (18), the adjusting nut (5) is assembled with the pin hole C (15) of the crank arm (3), and the retaining ring (4) is installed in the retaining ring groove (18) of the adjusting nut (5).

5. The rigid straight pipe joint gap adjustment device according to claim 4, characterized in that: The fixing jaws (1) are provided with arc-shaped anti-slip serrations, the size of which matches the pipe fitting.

6. The rigid straight pipe joint gap adjustment device according to claim 4, characterized in that: The fixed foot (7) is provided with a pin hole D (16) and a bolt hole (17), and the pin hole D (16) is concentric with the pin hole B (14).

7. The rigid straight pipe joint gap adjustment device according to claim 1, characterized in that: The pin (2) is provided with a cotter pin hole (19), and a cotter pin (11) is provided in the cotter pin hole (19).

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