Auxiliary fixing device for tunnel pipeline arrangement

By designing a tunnel pipeline fixing device including an adjustment component, a clamping component and a limit component, the problems of cumbersome operation and poor fixing effect of the existing device are solved, and convenient pipeline fixation and improved stability are achieved.

CN120626832APending Publication Date: 2025-09-12THE FIRST CONSTR ENG COMPANY LTD OF CHINA CONSTR SECOND ENG BUREAU +1
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Patent Information

Application Number
CN202510941705.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-09
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

The existing auxiliary fixing devices used for tunnel pipeline layout are cumbersome to operate, requiring workers to manually tighten the bolts, and are not easy to adjust to adapt to different fixing positions, resulting in poor fixing effects.

Method used

An auxiliary fixing device is designed, which includes a mounting frame, a bracket, a support rod, a support tube, an adjustment component, a clamping component, a support component and a limit component. The position of the support tube is adjusted by the adjustment component, and the clamping component and the support component cooperate to achieve stable fixation of the pipeline. It is suitable for pipelines of different diameters.

Benefits of technology

The fixing operation is simplified, the applicability and stability of the fixing device are improved, and it can adapt to different fixing positions and pipeline diameters, ensuring the stability of the pipeline after fixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an auxiliary fixing device for tunnel pipeline arrangement, and belongs to the technical field of pipeline fixing, the auxiliary fixing device comprises a mounting frame and an auxiliary fixing mechanism, the auxiliary fixing mechanism comprises a support, a supporting rod, a supporting cylinder, a sliding rail, a clamping assembly, a supporting assembly and a limiting assembly; the support is provided with the horizontal supporting rod and the supporting cylinder, the position of the supporting cylinder can be adjusted through the adjusting assembly, the fixing position of a pipeline can be adjusted conveniently, the applicability is improved, the pipeline can be fully fixed through the clamping assembly and the supporting assembly, and the pipeline fixing device is suitable for pipelines of different diameters. And in the clamping process of the clamping assembly, the limiting assembly is matched with the supporting assembly, the fixing effect on the pipeline can be further improved, and the stability of the pipeline after being fixed is guaranteed.
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Description

Technical Field

[0001] The present invention belongs to the technical field of pipeline fixing, and in particular relates to an auxiliary fixing device for tunnel pipeline arrangement. Background Art

[0002] In the concrete corridors of tunnel construction, multiple supports are usually laid out, and long-distance facilities such as pipelines and cables are laid and installed on the pipeline supports. In subway tunnels, it is often necessary to install a large number of pipelines. In the field of tunnel construction, the layout and fixation of pipelines (such as drainage pipes, cables, ventilation pipes, etc.) are key links to ensure construction safety and efficiency.

[0003] The existing auxiliary fixing devices for tunnel pipeline layout have cumbersome steps when fixing pipelines. Workers need to tighten the bolts, which is complicated to operate. In addition, it is inconvenient to adjust the fixing devices during the fixing process to adapt to different fixing positions, which reduces the fixing effect.

[0004] In order to avoid the above technical problems, it is necessary to provide an auxiliary fixing device for tunnel pipeline arrangement to overcome the above defects in the prior art. Summary of the Invention

[0005] The object of the present invention is to provide an auxiliary fixing device for tunnel pipeline arrangement to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An auxiliary fixing device for tunnel pipeline arrangement includes a mounting frame and an auxiliary fixing mechanism, wherein the auxiliary fixing mechanism includes:

[0008] The bracket is fixedly mounted on the mounting frame, and a support rod is fixedly mounted on the bracket, and a support tube is mounted on the support rod. An adjustment assembly is installed between the support tube and the support rod, which is used to adjust the position and angle of the support tube on the support rod. A slide rail is fixedly mounted on the surface of the support tube, and a limit frame is installed on the slide rail near one end of the mounting frame, and a clamping assembly is installed on the slide rail, which is used to contact the outer wall of the pipeline and clamp and fix the pipeline. A support assembly is provided in the middle of the clamping assembly, which is used to support the bottom side of the pipeline when the clamping assembly clamps the pipeline, so that the clamping assembly is in full contact with the outer wall of the pipeline, and a limit assembly is installed on the limit frame, which is used to cooperate with the support assembly to further fix the pipeline and ensure stable contact between the pipeline and the clamping assembly.

[0009] As a further technical solution of the present invention: the adjustment component includes:

[0010] The support plate is fixedly mounted on one end of the support tube away from the support rod, and an adjusting rod is installed on the support plate, and the adjusting rod is rotatably connected to the support plate. A screw hole is provided in the middle of the support rod, and the adjusting rod is threadedly connected to the screw hole. A positioning groove is provided on the surface of the support rod, and a positioning strip is installed on the inner wall of the support tube, and the positioning groove is slidably connected to the positioning strip. There are multiple positioning grooves and positioning strips and they are evenly distributed on the support rod and the support tube.

[0011] As a further technical solution of the present invention: the clamping assembly includes:

[0012] The moving block is located on the inner side of the slide rail and is slidably connected to the slide rail. A rotating rod is installed in the middle of the slide rail. The rotating rod passes through the moving block and is threadedly connected to the moving block. The moving blocks are provided with two and are symmetrically installed on the inner side of the slide rail. Two clamping plates are installed on each moving block. The shape of the clamping plates is an arc. Three groups of contact components are installed between the two clamping plates. The three groups of contact components are evenly distributed between the two clamping plates for contacting the outer wall of the pipeline and clamping the pipeline.

[0013] As a further technical solution of the present invention: the contact assembly includes:

[0014] A fixed block is fixedly installed between two clamping plates, a fixing hole is provided in the middle of the fixed block, a fixing rod is installed inside the fixing hole, an arc-shaped contact plate is installed at one end of the fixing rod, a first elastic member is sleeved on the outside of the fixing rod, one end of the first elastic member is connected to the fixed block, and the other end is connected to the contact plate.

[0015] As a further technical solution of the present invention: the support assembly includes:

[0016] The sliding groove is located on the clamping plate, and a slider is provided on the inner side of the sliding groove, and a first rotating frame is installed at both ends of the slider, and a support block is provided between the two moving blocks, and a second rotating frame is installed at the corner of the support block, and a connecting rod is installed between the first rotating frame and the second rotating frame, and both ends of the connecting rod are rotatably connected to the first rotating frame and the second rotating frame. A supporting hole is provided in the middle of the support block, and a vertical short rod is installed inside the support hole, and an arc-shaped placing plate is installed on the top of the short rod, and the length of the placing plate is greater than the length of the moving block, and a second elastic member is sleeved on the outer side of the short rod.

[0017] As a further technical solution of the present invention: the limit assembly includes:

[0018] The top end of the movable frame is fixed with a first bevel gear, and the bottom end of the movable frame is engaged with the first bevel gear and the second bevel gear. The movable frame is meshed with the second bevel gear and the second bevel gear is engaged with the first and second bevel gears. The movable frame is slidably connected to the limit frame for making the movable frame move vertically along the rotating rod. A positioning assembly is installed on the connecting frame away from the moving cylinder to cooperate with the support assembly to perform a positioning operation on the pipeline.

[0019] As a further technical solution of the present invention: the positioning component includes:

[0020] The positioning hole is located on the connecting frame, and a vertical positioning rod is provided on the inner side of the positioning hole. A baffle is installed on the top end of the positioning rod, and a positioning frame is installed on the bottom end of the positioning rod. The shape of the positioning frame is an inverted V shape. A third elastic member is installed between the positioning frame and the connecting frame, and the third elastic member is sleeved on the positioning rod.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention provides an auxiliary fixing device for tunnel pipeline arrangement, wherein a horizontal support rod and a support tube are installed on the bracket, and the position of the support tube can be adjusted by an adjustment component, so as to facilitate the adjustment of the fixed position of the pipeline and improve the applicability. The pipeline can be fully fixed by a clamping component and a support component, and is suitable for pipelines of different diameters. During the clamping process of the clamping component, the limit component cooperates with the support component to further improve the fixing effect of the pipeline and ensure the stability of the pipeline after fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Figure 2 It is a structural schematic diagram of the mounting frame in the present invention.

[0025] Figure 3 For the present invention Figure 1 Schematic diagram of the structure from the front.

[0026] Figure 4 It is a structural schematic diagram of the clamping assembly and the adjusting assembly in the present invention.

[0027] Figure 5 For the present invention Figure 4 Schematic diagram of the structure from the side.

[0028] Figure 6It is a structural schematic diagram of the clamping assembly and the supporting assembly in the present invention.

[0029] Figure 7 It is a schematic diagram of the structure on the clamping plate in the present invention.

[0030] Figure 8 Schematic diagram of the structure of the contact assembly in the present invention.

[0031] Figure 9 It is a schematic structural diagram of the limiting component in the present invention.

[0032] Figure 10 For the present invention Figure 9 Schematic diagram of the structure from the front.

[0033] In the accompanying drawings: 1-mounting frame, 2-bracket, 3-support rod, 4-support cylinder, 5-adjustment assembly, 51-support plate, 52-adjustment rod, 53-positioning groove, 54-positioning bar, 6-slide rail, 7-clamping assembly, 71-moving block, 72-rotating rod, 73-clamping plate, 74-contact assembly, 741-fixed block, 742-fixing hole, 743-fixed rod, 744-contact plate, 745-first elastic member, 8-support assembly, 81-slide groove, 82 -slider, 83-first rotating frame, 84-support block, 85-support hole, 86-second rotating frame, 87-connecting rod, 88-short rod, 89-placement plate, 80-second elastic member, 9-limiting assembly, 91-rotating rod, 92-moving cylinder, 93-connecting frame, 94-first bevel gear, 95-second bevel gear, 96-positioning assembly, 961-positioning hole, 962-positioning rod, 963-positioning frame, 964-third elastic member, 10-limiting frame. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0036] like Figures 1 to 10 As shown in the embodiment provided by the present invention, an auxiliary fixing device for tunnel pipeline arrangement includes a mounting frame 1 and an auxiliary fixing mechanism, wherein the auxiliary fixing mechanism includes:

[0037] The bracket 2 is fixedly mounted on the mounting frame 1, and a support rod 3 is fixedly mounted on the bracket 2, and a support tube 4 is mounted on the support rod 3. An adjustment component 5 is installed between the support tube 4 and the support rod 3, which is used to adjust the position and angle of the support tube 4 on the support rod 3. A slide rail 6 is fixedly mounted on the surface of the support tube 4, and a limit frame 10 is installed on the slide rail 6 near one end of the mounting frame 1. A clamping component 7 is installed on the slide rail 6 for contacting the outer wall of the pipeline to clamp and fix the pipeline. A support component 8 is provided in the middle of the clamping component 7 for supporting the bottom side of the pipeline when the clamping component 7 clamps the pipeline, so that the clamping component 7 is in full contact with the outer wall of the pipeline. A limit component 9 is installed on the limit frame 10 for cooperating with the support component 8 to further fix the pipeline and ensure stable contact between the pipeline and the clamping component 7.

[0038] In this embodiment, a horizontal support rod 3 and a support tube 4 are installed on the bracket 2. The position of the support tube 4 can be adjusted by the adjustment component 5, which is convenient for adjusting the fixed position of the pipeline and improving applicability. The pipeline can be fully fixed by the clamping component 7 and the support component 8, and is suitable for pipelines of different diameters. During the clamping process of the clamping component 7, the limit component 9 cooperates with the support component 8 to further improve the fixing effect of the pipeline and ensure the stability of the pipeline after fixation. The support rod 3 and the support tube 4 are both horizontal, and the axis of the support tube 4 is parallel to the axis of the slide rail 6. The limit frame 10 is vertical, and the limit frame 10 is fixedly installed at one end of the slide rail 6.

[0039] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 , the regulating component 5 includes:

[0040] The support plate 51 is fixedly mounted on the end of the support tube 4 away from the support rod 3. An adjusting rod 52 is installed on the support plate 51. The adjusting rod 52 is rotatably connected to the support plate 51. A screw hole is provided in the middle of the support rod 3. The adjusting rod 52 is threadedly connected to the screw hole. A positioning groove 53 is provided on the surface of the support rod 3. A positioning bar 54 is installed on the inner wall of the support tube 4. The positioning groove 53 is slidably connected to the positioning bar 54. There are multiple positioning grooves 53 and positioning bars 54 and they are evenly distributed on the support rod 3 and the support tube 4.

[0041] In this embodiment, the support plate 51 is fixedly mounted on the end of the support tube 4 away from the support rod 3, and a horizontal adjustment rod 52 is installed in the middle of the support plate 51. A rolling bearing is installed between the adjustment rod 52 and the support plate 51. The adjustment rod 52 can be stably rotated on the support rod 3. The adjustment rod 52 extends out of the support tube 4 and is fixedly mounted with a first handle. The adjustment rod 52 is a threaded rod in this embodiment. The adjustment rod 52 is threadedly connected to the screw hole on the support rod 3. The support tube 4 can be adjusted by rotating the adjustment rod 52. The support tube 4 is positioned on the support rod 3, and the support tube 4 can be connected to or separated from the support rod 3. A plurality of positioning grooves 53 are provided on the outer wall of the support rod 3, and a plurality of positioning bars 54 are installed on the inner wall of the support tube 4. The positioning bars 54 are slidably connected to the positioning grooves 53. When the clamping position needs to be adjusted, the support tube 4 can be separated from the support rod 3, and then the angle of the clamping assembly 7 can be adjusted, and then the support tube 4 can be connected to the support rod 3. The positioning grooves 53 and the positioning bars 54 can keep the support tube 4 stable, further ensuring the fixing effect of the pipeline.

[0042] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 , the clamping assembly 7 includes:

[0043] The moving block 71 is located on the inner side of the slide rail 6 and is slidably connected to the slide rail 6. A rotating rod 72 is installed in the middle of the slide rail 6. The rotating rod 72 passes through the moving block 71 and is threadedly connected to the moving block 71. The moving blocks 71 are provided with two and are symmetrically installed on the inner side of the slide rail 6. Two clamping plates 73 are installed on each moving block 71. The clamping plates 73 are in the shape of an arc. Three groups of contact components 74 are installed between the two clamping plates 73. The three groups of contact components 74 are evenly distributed between the two clamping plates 73 and are used to contact the outer wall of the pipeline and clamp the pipeline.

[0044] The contact assembly 74 includes:

[0045] The fixing block 741 is fixedly installed between the two clamping plates 73. A fixing hole 742 is provided in the middle of the fixing block 741. A fixing rod 743 is installed inside the fixing hole 742. An arc-shaped contact plate 744 is installed at one end of the fixing rod 743. A first elastic member 745 is sleeved on the outside of the fixing rod 743. One end of the first elastic member 745 is connected to the fixing block 741, and the other end is connected to the contact plate 744.

[0046] The support assembly 8 includes:

[0047] The slide groove 81 is located on the clamping plate 73, and a slider 82 is provided on the inner side of the slide groove 81. A first rotating frame 83 is installed at both ends of the slider 82. A support block 84 is provided between the two moving blocks 71, and a second rotating frame 86 is installed at the corner of the support block 84. A connecting rod 87 is installed between the first rotating frame 83 and the second rotating frame 86. Both ends of the connecting rod 87 are rotatably connected to the first rotating frame 83 and the second rotating frame 86. A supporting hole 85 is provided in the middle of the support block 84, and a vertical short rod 88 is installed on the inside of the support hole 85. An arc-shaped placing plate 89 is installed on the top of the short rod 88. The length of the placing plate 89 is greater than the length of the moving block 71, and a second elastic member 80 is sleeved on the outside of the short rod 88.

[0048] In this embodiment, two symmetrically arranged moving blocks 71 are provided on the inner side of the slide rail 6, and a rotating rod 72 is installed in the middle of the slide rail 6. A rolling bearing is installed between the rotating rod 72 and the slide rail 6. The rotating rod 72 is a threaded rod in this embodiment. Two sections of threads with opposite rotation directions are provided on the rotating rod 72. A second handle is installed at one end of the rotating rod 72, and the other end is connected to the limiting assembly 9. When the rotating rod 72 rotates, the two moving blocks 71 can be driven to move relative to each other. Two clamping plates 73 are installed on each moving block 71. The shape of the clamping plate 73 is an arc shape. The two clamping plates 73 are fixed between them. A fixing block 741 is fixedly installed, and a fixing hole 742 is provided in the middle of the fixing block 741. A fixing rod 743 is provided inside the fixing hole 742. The fixing rod 743 can be moved along the fixing hole 742. The cross-section of the fixing rod 743 is square. A contact plate 744 is fixedly installed at one end of the fixing rod 743. A first elastic member 745 is installed between the contact plate 744 and the fixing block 741. The first elastic member 745 can be a spring or rubber. In this embodiment, the first elastic member 745 is a spring. The first elastic member 745 and the contact plate 744 can be used to clamp pipelines of different diameters.

[0049] The clamping plate 73 is provided with a horizontal slide 81, and a slider 82 is provided inside the slide 81. The slider 82 can move along the inside of the slide 81. A first rotating frame 83 is fixedly installed at both ends of the slider 82. A horizontal support block 84 is provided between the two moving blocks 71. A second rotating frame 86 is installed at the corner of the support block 84. Rolling bearings are installed between the two ends of the connecting rod 87 and the first rotating frame 83 and the second rotating frame 86. A supporting hole 85 is provided in the middle of the support block 84, and a vertical short rod 88 is provided inside the support hole 85. The cross-section of the short rod 88 is square. An arc-shaped placement plate 89 is fixedly installed on the top of the short rod 88, and a second elastic member 80 is installed between the placement plate 89 and the support block 84. The second elastic member 80 can be a spring or rubber, etc. In this embodiment, the second elastic member 80 is a spring, and the bottom side of the pipeline can be supported by the placement plate 89. When the two moving blocks 71 move relative to each other, the vertical position of the support block 84 can be adjusted by the first rotating frame 83, the second rotating frame 86 and the connecting rod 87, so that the placement plate 89 can support the pipeline and cooperate with the limit assembly 9 to further improve the fixing effect.

[0050] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 , the limiting component 9 includes:

[0051] The rotating rod 91 is vertically mounted on the limit frame 10, and the rotating rod 91 is rotatably connected to the limit frame 10. A moving cylinder 92 is installed on the outer side of the top of the rotating rod 91, and the moving cylinder 92 is threadedly connected to the rotating rod 91. A horizontal connecting frame 93 is installed on the top of the moving cylinder 92, and a first bevel gear 94 is installed at the bottom end of the rotating rod 91. The rotating rod 72 extends out of the slide rail 6 and is fixedly installed with a second bevel gear 95. The first bevel gear 94 is meshed with the second bevel gear 95. The side of the moving cylinder 92 is slidably connected to the limit frame 10, used to make the moving cylinder 92 move vertically along the rotating rod 91. A positioning assembly 96 is installed on the end of the connecting frame 93 away from the moving cylinder 92, which is used to cooperate with the support assembly 8 to perform positioning operations on the pipeline.

[0052] The positioning assembly 96 includes:

[0053] The positioning hole 961 is located on the connecting frame 93. A vertical positioning rod 962 is provided on the inner side of the positioning hole 961. A baffle is installed on the top of the positioning rod 962. A positioning frame 963 is installed on the bottom of the positioning rod 962. The shape of the positioning frame 963 is an inverted V shape. A third elastic member 964 is installed between the positioning frame 963 and the connecting frame 93. The third elastic member 964 is sleeved on the positioning rod 962.

[0054] In this embodiment, a vertical rotating rod 91 is installed on the limit frame 10, and a rolling bearing is installed between the rotating rod 91 and the limit frame 10. The rotating rod 91 is a threaded rod in this embodiment, and a moving cylinder 92 is installed on the outer side of the top of the rotating rod 91. The inner wall of the moving cylinder 92 is provided with a thread. The outer side of the rotating rod 91 is threadedly connected to the inner side of the moving cylinder 92, and the side of the moving cylinder 92 is slidably connected to the limit frame 10. When the rotating rod 91 rotates, the moving cylinder 92 can be driven to move in the vertical direction. A horizontal connecting frame 93 is installed on the top of the movable cylinder 92. The connecting frame 93 is U-shaped. Two sets of positioning assemblies 96 are installed on the end of the connecting frame 93 away from the movable cylinder 92, which are convenient for cooperating with the support assembly 8 to position the pipeline. A first bevel gear 94 is fixedly installed on the bottom end of the rotating rod 91, and a second bevel gear 95 is fixedly installed on the end of the rotating rod 72 close to the limit frame 10. The first bevel gear 94 is meshed with the second bevel gear 95. When the rotating rod 72 rotates, the positioning assembly 96 can be lifted or lowered.

[0055] The connecting frame 93 is provided with a positioning hole 961 at one end away from the moving cylinder 92, and a vertical positioning rod 962 is provided inside the positioning hole 961. A baffle is installed on the top of the positioning rod 962, which can effectively prevent the positioning rod 962 from separating from the positioning hole 961. An inverted V-shaped positioning frame 963 is installed at the bottom end of the positioning rod 962. The positioning frame 963 can clamp the top side of the pipeline. A third elastic member 964 is installed between the positioning frame 963 and the connecting frame 93. The third elastic member 964 can be a spring or rubber, etc. In this embodiment, the third elastic member 964 is a spring. The third elastic member 964 can make the positioning frame 963 fully contact with the top side of the pipeline to achieve effective fixation of the pipeline.

[0056] The working principle of the present invention is:

[0057] In the present invention, the mounting frame 1 is first installed to the specified position, and then the position and angle of the support tube 4 are adjusted according to the fixed position of the pipeline, and the support tube 4 is fixed after the adjustment, and then the pipeline is located between the two sets of clamping plates 73, and then the rotating rod 72 is rotated to achieve full contact between the contact plate 744 and the placement plate 89 and the pipeline surface. The pipeline can be effectively fixed by multiple sets of contact components 74, and slippage of the pipeline can be avoided after it is fixed. The placement plate 89 and the positioning frame 963 can further fully fix the pipeline to ensure the stability of the pipeline after it is fixed. The overall operation process is convenient, and the staff can complete the pipeline fixing operation by manually rotating the adjustment rod 52 and the rotating rod 72. It is applicable to pipelines of different diameters and has good applicability.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0059] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An auxiliary fixing device for tunnel pipeline arrangement, comprising a mounting frame (1) and an auxiliary fixing mechanism, characterized in that: The auxiliary fixing mechanism comprises: The bracket (2) is fixedly mounted on the mounting frame (1); a support rod (3) is fixedly mounted on the bracket (2); a support tube (4) is mounted on the support rod (3); an adjustment assembly (5) is mounted between the support tube (4) and the support rod (3) for adjusting the position and angle of the support tube (4) on the support rod (3); a slide rail (6) is fixedly mounted on the surface of the support tube (4); a limit frame (10) is mounted on one end of the slide rail (6) close to the mounting frame (1); and the slide rail (6) A clamping assembly (7) is installed on the upper portion for contacting the outer wall of the pipeline and clamping and fixing the pipeline. A support assembly (8) is provided in the middle portion of the clamping assembly (7) for supporting the bottom side of the pipeline when the clamping assembly (7) clamps the pipeline, so that the clamping assembly (7) is in full contact with the outer wall of the pipeline. A limiting assembly (9) is installed on the limiting frame (10) for cooperating with the support assembly (8) to further fix the pipeline and ensure stable contact between the pipeline and the clamping assembly (7).

2. The auxiliary fixing device for tunnel pipeline arrangement according to claim 1, characterized in that: The regulating component (5) comprises: The support plate (51) is fixedly mounted on one end of the support tube (4) away from the support rod (3); an adjusting rod (52) is mounted on the support plate (51); the adjusting rod (52) is rotatably connected to the support plate (51); a screw hole is provided in the middle of the support rod (3); the adjusting rod (52) is threadedly connected to the screw hole; a positioning groove (53) is provided on the surface of the support rod (3); a positioning strip (54) is mounted on the inner wall of the support tube (4); the positioning groove (53) and the positioning strip (54) are slidably connected; a plurality of positioning grooves (53) and positioning strips (54) are provided and are evenly distributed on the support rod (3) and the support tube (4).

3. The auxiliary fixing device for tunnel pipeline arrangement according to claim 2, characterized in that: The clamping assembly (7) comprises: The moving block (71) is located inside the slide rail (6) and is slidably connected to the slide rail (6). A rotating rod (72) is installed in the middle of the slide rail (6). The rotating rod (72) passes through the moving block (71) and is threadedly connected to the moving block (71). The moving block (71) is provided with two pieces and is symmetrically installed on the inside of the slide rail (6). Two clamping plates (73) are installed on each moving block (71). The clamping plates (73) are in the shape of an arc. Three groups of contact components (74) are installed between the two clamping plates (73). The three groups of contact components (74) are evenly distributed between the two clamping plates (73) and are used to contact the outer wall of the pipeline and clamp the pipeline.

4. The auxiliary fixing device for tunnel pipeline arrangement according to claim 3, characterized in that: The contact assembly (74) includes: A fixing block (741) is fixedly installed between two clamping plates (73). A fixing hole (742) is provided in the middle of the fixing block (741). A fixing rod (743) is installed inside the fixing hole (742). An arc-shaped contact plate (744) is installed at one end of the fixing rod (743). A first elastic member (745) is sleeved on the outside of the fixing rod (743). One end of the first elastic member (745) is connected to the fixing block (741), and the other end is connected to the contact plate (744).

5. The auxiliary fixing device for tunnel pipeline arrangement according to claim 4, characterized in that: The support assembly (8) comprises: The slide groove (81) is located on the clamping plate (73), and a slider (82) is provided on the inner side of the slide groove (81). A first rotating frame (83) is installed at both ends of the slider (82). A support block (84) is provided between the two moving blocks (71). A second rotating frame (86) is installed at the corner of the support block (84). A connecting rod (87) is installed between the first rotating frame (83) and the second rotating frame (86). Both ends of the connecting rod (87) are rotatably connected to the first rotating frame (83) and the second rotating frame (86). A supporting hole (85) is provided in the middle of the support block (84), and a vertical short rod (88) is installed inside the supporting hole (85). An arc-shaped placement plate (89) is installed on the top of the short rod (88). The length of the placement plate (89) is greater than the length of the moving block (71). The outer side of the short rod (88) is sleeved with a second elastic member (80).

6. The auxiliary fixing device for tunnel pipeline arrangement according to claim 5, characterized in that: The limiting component (9) comprises: The rotating rod (91) is vertically mounted on the limiting frame (10), the rotating rod (91) is rotatably connected to the limiting frame (10), a moving cylinder (92) is mounted on the outer side of the top of the rotating rod (91), the moving cylinder (92) is threadedly connected to the rotating rod (91), a horizontal connecting frame (93) is mounted on the top of the moving cylinder (92), a first bevel gear (94) is mounted on the bottom end of the rotating rod (91), a second bevel gear (95) is fixedly mounted on one end of the rotating rod (72) extending out of the slide rail (6), the first bevel gear (94) is meshed with the second bevel gear (95), the side of the moving cylinder (92) is slidably connected to the limiting frame (10), and is used to make the moving cylinder (92) move in the vertical direction along the rotating rod (91), and a positioning assembly (96) is mounted on one end of the connecting frame (93) away from the moving cylinder (92), which is used to cooperate with the support assembly (8) to perform a positioning operation on the pipeline.

7. The auxiliary fixing device for tunnel pipeline arrangement according to claim 6, characterized in that: The positioning assembly (96) includes: A positioning hole (961) is located on the connecting frame (93). A vertical positioning rod (962) is provided inside the positioning hole (961). A baffle is installed at the top end of the positioning rod (962). A positioning frame (963) is installed at the bottom end of the positioning rod (962). The positioning frame (963) is in an inverted V shape. A third elastic member (964) is installed between the positioning frame (963) and the connecting frame (93). The third elastic member (964) is sleeved on the positioning rod (962).