A special tool for pipe connection

Abstract

The present invention discloses a special tool for pipe matching, and relates to the technical field of pipe orifice matching. The present invention comprises a first circular slide rail, the peripheral side of the first circular slide rail is fixedly matched with a fixed block, the outer side wall of the fixed block is rotatably matched with a first lower arc plate and a first upper arc plate, and one end of the first upper arc plate is snap-fitted with one end of the first lower arc plate. The present invention sets a second lower arc plate, so that the second fixed sleeve drives the second lower arc plate to slide toward the first lower arc plate under the action of the second circular slide rail, so as to achieve driving one end of the pipe end toward the direction of one end of the other pipe end through the second lower arc plate, and adjusting the gap between the two pipe end orifices through the second lower arc plate, thereby reducing the problem of misalignment of the two pipe end orifices, reducing the problem of excessive gap between the pipe end and affecting welding quality, and making the process of pipe end orifice welding more convenient.

Description

Technical Field

[0001] The invention belongs to the field of pipeline orifice assembly, and in particular relates to a special tool for pipeline orifice assembly. Background Art

[0002] In the pipeline nozzle welding project, there are a large number of pipelines that make up the entire process system. The pipelines are subjected to high temperature and high pressure in the project. Once a leak occurs, it will cause a major accident. Therefore, the quality of the pipeline assembly directly affects the welding quality. When assembling the pipelines, it is very easy to have quality problems such as misalignment and excessive gap between the joints. Therefore, ensuring the quality of the nozzle assembly is the first step to ensure the welding quality.

[0003] Therefore, a special tool for pipe matching is proposed to solve the above-mentioned drawbacks. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a special tool for pipe connection.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A special tool for pipe connection, comprising a first circular slide rail, a fixed block fixedly matched on the circumference of the first circular slide rail, a first lower arc plate and a first upper arc plate rotatably matched on the outer side wall of the fixed block, one end of the first upper arc plate is clamped and matched with one end of the first lower arc plate, one end of the first lower arc plate is fixed and matched with a first fixed sleeve, a circular slider slidably matched on the circumference of the first circular slide rail, a second lower arc plate and a second upper arc plate rotatably matched on the outer side wall of the circular slider, one end of the second upper arc plate is clamped and matched with one end of the second lower arc plate, and one end of the second lower arc plate is fixed and matched with a second fixed sleeve;

[0007] A second circular slide rail is located on one side of the first circular slide rail, the second circular slide rail is rotatably fitted inside the first fixed sleeve, and the second fixed sleeve is threadedly fitted on the circumference of the second circular slide rail.

[0008] Optionally, the outer side wall of the fixed block is fixedly fitted with two first connecting plates, the bottom of the first connecting plate is fixedly fitted with a first hinge, and the first ends of the first lower arc plate and the first upper arc plate are fixedly fitted on one end of the first hinge.

[0009] Optionally, the second end of the first lower arc plate is fixedly matched with a second connecting plate, the second end of the first upper arc plate is fixedly matched with a third connecting plate, and the outer side wall of the first fixed sleeve is fixedly matched with the bottom of the second connecting plate.

[0010] Optionally, a first through hole is opened on one side of the third connecting plate, a first locking nut is placed inside the first through hole, and a first threaded hole is opened on one side of the second connecting plate, one end of the first locking nut is threadedly engaged inside the first threaded hole.

[0011] Optionally, a second through hole is provided inside the first fixed sleeve, the second circular slide rail is located inside the second through hole, and both ends of the second circular slide rail are respectively fixedly matched with a fixed plate and a handle.

[0012] Optionally, the outer side wall of the circular slider is fixedly fitted with two fourth connecting plates, the bottom of the fourth connecting plate is fixedly fitted with a second hinge, and the first ends of the second lower arc plate and the second upper arc plate are fixedly fitted on one end of the second hinge.

[0013] Optionally, the second end of the second lower arc plate is fixedly fitted with a fifth connecting plate, the outer side wall of the second fixed sleeve is fixedly fitted with the lower end of the fifth connecting plate, the second end of the second upper arc plate is fixedly fitted with a sixth connecting plate, a third through hole is provided on one side of the sixth connecting plate, a second locking nut is placed inside the third through hole, a second threaded hole is provided on one side of the fifth connecting plate, and one end of the second locking nut is threadedly fitted with the second threaded hole.

[0014] Optionally, the inner wall of the second fixed sleeve is provided with an internal thread, and the outer wall of the second circular slide rail is provided with an external thread, and the external thread is threadably matched with the internal thread.

[0015] Optionally, a fourth through hole is provided inside the second fixing sleeve, and the first circular slide rail is located inside the fourth through hole.

[0016] Optionally, the inner side walls of the first lower arc plate and the first upper arc plate are evenly fixed with a plurality of first rubber protrusions, and the inner side walls of the second lower arc plate and the second upper arc plate are evenly fixed with a plurality of second rubber protrusions.

[0017] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described below at the same time:

[0018] The second lower arc plate is arranged so that the second fixed sleeve drives the second lower arc plate to slide in the direction of the first lower arc plate under the action of the second circular slide rail, so as to realize that one end of the pipe end is driven to approach the direction of one end of the other pipe end through the second lower arc plate, and the gap between the pipe openings of the two pipe ends is adjusted through the second lower arc plate, thereby reducing the problem of misalignment of the pipe openings of the two pipe ends, reducing the problem of excessive gap between the pipe ends affecting welding quality, and making the process of welding the pipe openings of the pipe ends more convenient;

[0019] The second through hole is provided so that the second circular slide rail can rotate inside the second through hole under the action of the staff, and the rotation direction of the second circular slide rail is guided by the second through hole, thereby reducing the problem of the second circular slide rail tilting during rotation and improving the stability of the second circular slide rail during rotation;

[0020] The second fixed sleeve is set so that the second circular slide rail can drive the second fixed sleeve to slide through the external thread and the internal thread under the action of the staff, making the sliding process of the second fixed sleeve more convenient and improving the stability of the second fixed sleeve when sliding.

[0021] The specific implementation modes of the present invention are further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0023] In the figure:

[0024] Figure 1 A schematic diagram of a three-dimensional structure of an embodiment of the present invention Figure 1 ;

[0025] Figure 2 A schematic diagram of a three-dimensional structure of an embodiment of the present invention Figure 2 ;

[0026] Figure 3 It is a bottom view structural schematic diagram of an embodiment of the present invention;

[0027] Figure 4 It is a schematic cross-sectional structure diagram of an embodiment of the present invention;

[0028] Figure 5 It is a schematic diagram of the right view structure of an embodiment of the present invention.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] The first circular slide rail 100, the fixed block 101, the first connecting plate 102, the first hinge 103, the first lower arc plate 104, the first upper arc plate 105, the second connecting plate 106, the third connecting plate 107, the first through hole 108, the first locking nut 109, the first threaded hole 110, the second circular slide rail 111, the first fixed sleeve 112, the fixed plate 113, the external thread 114, the handle 115, the second through hole 116, the circular slider 200, the fourth connecting plate 201, the second hinge 202, the second lower arc plate 203, the second upper arc plate 204, the fifth connecting plate 205, the sixth connecting plate 206, the third through hole 207, the second locking nut 208, the second threaded hole 209, the second fixed sleeve 210, the internal thread 211, and the fourth through hole 212.

[0031] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0032] The present invention will now be described in further detail with reference to the accompanying drawings.

[0033] See also Figure 1-5 As shown, in this embodiment, a special tool for pipe docking is provided, including a first circular slide rail 100, a fixed block 101 is fixedly matched on the peripheral side of the first circular slide rail 100, a first lower arc plate 104 and a first upper arc plate 105 are rotatably matched on the outer side wall of the fixed block 101, one end of the first upper arc plate 105 is snap-fitted with one end of the first lower arc plate 104, one end of the first lower arc plate 104 is fixedly matched with a first fixed sleeve 112, a circular slider 200 is slidably matched on the peripheral side of the first circular slide rail 100, a second lower arc plate 203 and a second upper arc plate 204 are rotatably matched on the outer side wall of the circular slider 200, one end of the second upper arc plate 204 is snap-fitted with one end of the second lower arc plate 203, and one end of the second lower arc plate 203 is fixedly matched with a second fixed sleeve 210;

[0034] The second circular slide rail 111 is located at one side of the first circular slide rail 100 , and the second circular slide rail 111 is rotatably fitted inside the first fixed sleeve 112 . The second fixed sleeve 210 is threadedly fitted on the circumferential side of the second circular slide rail 111 .

[0035] Working principle:

[0036] First, place the two pipe ends that need to be paired on the inner sides of the first lower arc plate 104 and the second lower arc plate 203 respectively, and then lock the pipe ends on the inner wall of the first lower arc plate 104 through the first upper arc plate 105, and then lock the pipe ends on the inner wall of the second lower arc plate 203 through the second upper arc plate 204, and then rotate the second circular slide rail 111, one end of the second circular slide rail 111 rotates inside the first fixed sleeve 112, the second circular slide rail 111 drives the second lower arc plate 203 to slide through the second fixed sleeve 210, and the second lower arc plate 203 drives one end of the pipe end to approach one end of the other pipe end to adjust the gap between the pipe openings of the two pipe ends, and stop when it is adjusted to meet the pairing gap requirements of the weld, and then perform fixed welding of the weld.

[0037] The second lower arc plate 203 is set so that the second fixed sleeve 210 can drive the second lower arc plate 203 to slide in the direction of the first lower arc plate 104 under the action of the second circular slide rail 111, so as to realize that one end of the pipe end is driven to approach one end of the other pipe end through the second lower arc plate 203, and the gap between the pipe openings of the two pipe ends is adjusted through the second lower arc plate 203, thereby reducing the problem of misalignment of the pipe openings of the two pipe ends, reducing the problem of excessive gap between the pipe ends affecting welding quality, and making the process of welding the pipe ends more convenient.

[0038] In order to make the sliding process of the second circular slide rail 111 on the side of the first fixed sleeve 112 more stable, the following structure is used for improvement: Figure 1-5 As shown, the outer side wall of the fixed block 101 of this embodiment is fixedly matched with two first connecting plates 102, the bottom of the first connecting plate 102 is fixedly matched with the first hinge 103, the first end of the first lower arc plate 104 and the first upper arc plate 105 are fixedly matched with one end of the first hinge 103, the second end of the first lower arc plate 104 is fixedly matched with the second connecting plate 106, the second end of the first upper arc plate 105 is fixedly matched with the third connecting plate 107, and the outer side wall of the first fixed sleeve 112 is fixedly matched with the second connecting plate 106. At the bottom, a first through hole 108 is opened on one side of the third connecting plate 107, and a first locking nut 109 is placed inside the first through hole 108. A first threaded hole 110 is opened on one side of the second connecting plate 106, and one end of the first locking nut 109 is threadedly engaged inside the first threaded hole 110. A second through hole 116 is opened inside the first fixed sleeve 112, and the second circular slide rail 111 is located inside the second through hole 116. A fixing plate 113 and a handle 115 are fixedly engaged with the two ends of the second circular slide rail 111 respectively.

[0039] When the present embodiment is in use, firstly, one end of the pipe end is placed between the first lower arc plate 104 and the first upper arc plate 105, and then the first upper arc plate 105 is rotated, so that the inner wall of the first upper arc plate 105 is fitted on the outer wall of the pipe end, and then the first locking nut 109 is placed inside the first through hole 108, and then the first locking nut 109 is rotated, and the first locking nut 109 is threadedly engaged with the inside of the second connecting plate 106 through the first threaded hole 110, and then the second circular slide rail 111 is rotated, and the second circular slide rail 111 is rotated inside the first fixed sleeve 112 through the second through hole 116, thereby completing the fixation of the pipe end.

[0040] The second through hole 116 is set so that the second circular slide rail 111 can rotate inside the second through hole 116 under the action of the staff, and the rotation direction of the second circular slide rail 111 is guided by the second through hole 116, thereby reducing the problem of tilting of the second circular slide rail 111 during rotation and improving the stability of the second circular slide rail 111 during rotation.

[0041] In order to make the driving process of the second fixed sleeve 210 of this embodiment more stable, the following structures are used for improvement: Figure 1-5 As shown, the outer side wall of the circular slider 200 of this embodiment is fixedly matched with two fourth connecting plates 201, the bottom of the fourth connecting plate 201 is fixedly matched with the second hinge 202, the first ends of the second lower arc plate 203 and the second upper arc plate 204 are fixedly matched with one end of the second hinge 202, the second end of the second lower arc plate 203 is fixedly matched with the fifth connecting plate 205, the outer side wall of the second fixed sleeve 210 is fixedly matched with the lower end of the fifth connecting plate 205, the second end of the second upper arc plate 204 is fixedly matched with the sixth connecting plate 206, a third through hole 207 is opened on one side of the sixth connecting plate 206, a second locking nut 208 is placed inside the third through hole 207, and the fifth A second threaded hole 209 is provided on one side of the connecting plate 205, and one end of the second locking nut 208 is threadedly matched with the second threaded hole 209. An inner wall of the second fixed sleeve 210 is provided with an internal thread 211, and an outer wall of the second circular slide rail 111 is provided with an external thread 114, and the external thread 114 is threadedly matched with the internal thread 211. A fourth through hole 212 is provided inside the second fixed sleeve 210, and the first circular slide rail 100 is located inside the fourth through hole 212. The inner walls of the first lower arc plate 104 and the first upper arc plate 105 are evenly fixed with a plurality of first rubber protrusions, and the inner walls of the second lower arc plate 203 and the second upper arc plate 204 are evenly fixed with a plurality of second rubber protrusions.

[0042] When the present embodiment is in use, firstly, one end of the pipe end is placed on the inner wall of the second lower arc plate 203, and then the second upper arc plate 204 is rotated, so that the inner wall of the second upper arc plate 204 is fitted on the outer wall of the pipe end, and then the second locking nut 208 is placed inside the third through hole 207, and then the second locking nut 208 is rotated, and the second locking nut 208 is threadedly engaged with the inside of the second lower arc plate 203 through the second threaded hole 209, and then the second upper arc plate 204 is positioned on the outer wall of the pipe end through the second locking nut 208, so as to complete the fixing of the pipe end, and then the handle 115 is rotated, and the handle 115 drives the second circular slide rail 111 to be fixed on the first fixed sleeve 1 12 rotates internally, the second circular slide rail 111 drives the second fixed sleeve 210 to slide through the external thread 114 and the internal thread 211, the second fixed sleeve 210 drives the second lower arc plate 203 to slide through the fifth connecting plate 205, the second lower arc plate 203 drives the circular slider 200 to slide through the second hinge 202, the circular slider 200 slides on the peripheral side of the first circular slide rail 100 through the fourth through hole 212, the second lower arc plate 203 drives one end of the pipe end to approach the direction of one end of the other pipe end to adjust the gap between the pipe openings of the two pipe ends, and stops when it is adjusted to meet the gap requirement of the weld joint, and then the fixed welding process of the weld joint is performed, thereby completing the pipe end welding process.

[0043] The second fixed sleeve 210 is set so that the second circular slide rail 111 can drive the second fixed sleeve 210 to slide through the external thread 114 and the internal thread 211 under the action of the staff, making the sliding process of the second fixed sleeve 210 more convenient and improving the stability of the second fixed sleeve 210 when sliding.

[0044] The present invention is not limited to the above-mentioned embodiments. Anyone should be aware that any structural changes made under the enlightenment of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structural parts not described in detail in the present invention are all well-known technologies.

Claims

1. A special tool for pipe connection, characterized in that: include: A first circular slide rail (100), the circumferential side of the first circular slide rail (100) is fixedly matched with a fixed block (101), the outer side wall of the fixed block (101) is rotatably matched with a first lower arc plate (104) and a first upper arc plate (105), one end of the first upper arc plate (105) is snap-fitted with one end of the first lower arc plate (104), one end of the first lower arc plate (104) is fixedly matched with a first fixed sleeve (112), the circumferential side of the first circular slide rail (100) is slidably matched with a circular slider (200), the outer side wall of the circular slider (200) is rotatably matched with a second lower arc plate (203) and a second upper arc plate (204), one end of the second upper arc plate (204) is snap-fitted with one end of the second lower arc plate (203), and one end of the second lower arc plate (203) is fixedly matched with a second fixed sleeve (210); A second circular slide rail (111) is located on one side of the first circular slide rail (100), the second circular slide rail (111) is rotatably engaged inside the first fixed sleeve (112), and the second fixed sleeve (210) is threadedly engaged on the circumferential side of the second circular slide rail (111).

2. A pipeline matching tool according to claim 1, characterized in that: The outer side wall of the fixed block (101) is fixedly fitted with two first connecting plates (102), the bottom of the first connecting plate (102) is fixedly fitted with a first hinge (103), and the first ends of the first lower arc plate (104) and the first upper arc plate (105) are fixedly fitted on one end of the first hinge (103).

3. A pipeline matching tool according to claim 1, characterized in that: The second end of the first lower arc plate (104) is fixedly fitted with a second connecting plate (106), the second end of the first upper arc plate (105) is fixedly fitted with a third connecting plate (107), and the outer side wall of the first fixed sleeve (112) is fixedly fitted with the bottom of the second connecting plate (106).

4. A pipeline matching tool according to claim 3, characterized in that: A first through hole (108) is provided on one side of the third connecting plate (107), a first locking nut (109) is placed inside the first through hole (108), and a first threaded hole (110) is provided on one side of the second connecting plate (106), one end of the first locking nut (109) is threadedly engaged inside the first threaded hole (110).

5. A pipeline matching tool according to claim 1, characterized in that: A second through hole (116) is provided inside the first fixed sleeve (112), the second circular slide rail (111) is located inside the second through hole (116), and two ends of the second circular slide rail (111) are respectively fixedly matched with a fixed plate (113) and a handle (115).

6. A pipeline matching tool according to claim 1, characterized in that: The outer side wall of the circular slider (200) is fixedly fitted with two fourth connecting plates (201), the bottom of the fourth connecting plate (201) is fixedly fitted with a second hinge (202), and the first ends of the second lower arc plate (203) and the second upper arc plate (204) are both fixedly fitted on one end of the second hinge (202).

7. A pipeline matching tool according to claim 1, characterized in that: The second end of the second lower arc plate (203) is fixedly matched with a fifth connecting plate (205), the outer side wall of the second fixed sleeve (210) is fixedly matched with the lower end of the fifth connecting plate (205), the second end of the second upper arc plate (204) is fixedly matched with a sixth connecting plate (206), a third through hole (207) is provided on one side of the sixth connecting plate (206), a second locking nut (208) is placed inside the third through hole (207), a second threaded hole (209) is provided on one side of the fifth connecting plate (205), and one end of the second locking nut (208) is threadedly matched with the second threaded hole (209).

8. A pipeline matching tool according to claim 1, characterized in that: The inner wall of the second fixed sleeve (210) is provided with an internal thread (211), and the outer wall of the second circular slide rail (111) is provided with an external thread (114), and the external thread (114) is threadably matched with the internal thread (211).

9. A pipeline matching tool according to claim 1, characterized in that: A fourth through hole (212) is provided inside the second fixed sleeve (210), and the first circular slide rail (100) is located inside the fourth through hole (212).

10. A pipeline matching tool according to claim 1, characterized in that: The inner side walls of the first lower arc plate (104) and the first upper arc plate (105) are evenly distributed and fixed with a plurality of first rubber protrusions, and the inner side walls of the second lower arc plate (203) and the second upper arc plate (204) are evenly distributed and fixed with a plurality of second rubber protrusions.

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