Temporary supporting device for overhauling natural gas pipeline

Abstract

The utility model relates to the technical field of natural gas pipelines, and discloses a temporary supporting device for overhauling a natural gas pipeline. Comprising a frame, a supporting mechanism is arranged on the frame, the supporting mechanism comprises adjusting sliding grooves symmetrically formed in the frame, an adjusting lead screw is rotationally connected between the end walls of the adjusting sliding grooves, a hand wheel disc is fixedly connected to the tail end of the adjusting lead screw, and a hand wheel handle is rotationally connected to the hand wheel disc; the outer surface of the adjusting lead screw is in threaded connection with an adjusting nut block, the adjusting nut block is slidably installed between the end walls of the adjusting sliding grooves, the adjusting nut block is fixedly connected with a fixing nut cylinder, the fixing nut cylinder is in threaded connection with a supporting lead screw, the supporting lead screw is fixedly connected with a rotating handle, and the rotating handle is fixedly connected with a rotating shaft. The outer surface of the supporting lead screw is in threaded connection with a supporting nut cylinder, the natural gas pipeline can be supported during overhauling, the supporting position can be adjusted, and moving and temporary supporting can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of natural gas pipelines, in particular to a temporary supporting device for the inspection and maintenance of natural gas pipelines. Background Art

[0002] A natural gas pipeline is a pipeline that transports natural gas from the extraction site or processing plant to the city's gas distribution center or industrial enterprise users. It is also called a gas transmission pipeline. Using natural gas pipelines to transport natural gas is a way to transport a large amount of natural gas on land. Natural gas pipelines account for about half of the world's total pipeline length.

[0003] At present, when the natural gas pipeline is being inspected and repaired, the natural gas pipeline needs to be supported. However, the current supporting device cannot be moved and cannot adjust the support.

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a temporary support device for natural gas pipeline maintenance, which effectively solves the problems mentioned in the above background technology. Summary of the invention

[0005] The utility model provides the following technical scheme: a temporary support device for natural gas pipeline maintenance, comprising a frame, a support mechanism is provided on the frame, and the support mechanism includes an adjusting slide groove symmetrically provided on the frame, an adjusting screw rod is rotatably connected between the end walls of the adjusting slide groove, the end of the adjusting screw rod is fixedly connected to a hand wheel disk, the hand wheel disk is rotatably connected to a hand wheel handle, the outer surface of the adjusting screw rod is threadedly connected to an adjusting nut block, and the adjusting nut block is slidably installed between the end walls of the adjusting slide groove, the adjusting nut block is fixedly connected to a fixing nut cylinder, the fixing nut cylinder is threadedly connected to a supporting screw rod, the supporting screw rod is fixedly connected to a rotating handle, the outer surface of the supporting screw rod is threadedly connected to a supporting nut cylinder, the upper end of the supporting nut cylinder is fixedly connected to a supporting plate, the fixing nut cylinder is fixedly connected to a fixing plate, the fixing plate is fixedly connected to a limiting rod, and the upper end of the limiting rod is fixedly connected to the supporting plate.

[0006] Preferably, a moving mechanism is provided on the bottom wall of the frame, and the moving mechanism includes a moving frame rotatably connected to the bottom wall of the frame, a moving shaft rotatably connected to the end wall of the moving frame, and a moving wheel is fixedly connected to the end of the moving shaft.

[0007] Preferably, a braking mechanism is provided on the frame, and the braking mechanism includes a bevel gear cavity provided in the frame, a driving bevel gear shaft is rotatably connected between the end walls of the bevel gear cavity, the outer surface of the driving bevel gear shaft is fixedly connected to the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, and the driven bevel gear is fixedly installed on the upper end of the brake screw, a braking groove is provided in the frame, a fixing cylinder is fixedly connected on the bottom wall of the frame, a braking nut cylinder is slidably connected in the fixing cylinder, a braking plate is rotatably connected to the lower end of the braking nut cylinder, and the braking nut cylinder is threadedly connected to the braking screw.

[0008] Preferably, a pulling mechanism is connected to the active bevel gear shaft, and the pulling mechanism includes a connecting shaft fixedly connected to the end of the active bevel gear shaft, a groove block is fixedly connected to the end of the connecting shaft, a rotating shaft is rotatably connected to the groove block, and a handle is fixedly installed on the outer surface of the rotating shaft.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model provides a temporary support device for natural gas pipeline maintenance, which can realize support for natural gas pipeline maintenance, and can adjust the support position, and can be moved to perform temporary support. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached picture:

[0013] Figure 1 This is a schematic diagram of the structure in the first direction of a temporary support device for natural gas pipeline maintenance in the utility model;

[0014] Figure 2 This is a schematic diagram of the structure in the second direction of a temporary support device for natural gas pipeline maintenance in the utility model;

[0015] Figure 3 This is a schematic diagram of the structure in the third direction of a temporary support device for natural gas pipeline maintenance in the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of a temporary support device for natural gas pipeline maintenance in the utility model in the fourth direction;

[0017] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle;

[0018] Figure 6 for Figure 4 Schematic diagram of the cross-sectional structure at BB in the middle.

[0019] In the figure: 1-frame, 3-adjusting slide, 8-adjusting screw, 9-handwheel plate, 10-handwheel handle, 16-adjusting nut block, 4-fixing nut cylinder, 6-supporting screw, 5-rotating handle, 28-supporting nut cylinder, 2-supporting plate, 15-fixing plate, 7-limiting rod, 20-moving frame, 29-moving rotating shaft, 11-moving wheel, 22-bevel gear cavity, 24-driving bevel gear shaft, 23-driving bevel gear, 25-driven bevel gear, 26-brake screw, 27-brake slide, 17-fixing cylinder, 18-brake nut cylinder, 19-brake plate, 21-connecting shaft, 13-groove block, 14-rotating shaft, 12-handle. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] like Figure 1-6 As shown, the utility model provides a temporary support device for natural gas pipeline maintenance, including a frame 1, a support mechanism is provided on the frame 1, and the support mechanism is used to support the natural gas pipeline. The support mechanism includes an adjustment slide 3 symmetrically provided on the frame 1, and an adjustment screw rod 8 is rotatably connected between the end walls of the adjustment slide 3. The end of the adjustment screw rod 8 is fixedly connected to a hand wheel plate 9, and a hand wheel handle 10 is rotatably connected to the hand wheel plate 9. The outer surface of the adjustment screw rod 8 is threadedly connected to an adjustment nut block 16, and the adjustment nut block 16 slides It is dynamically installed between the end walls of the adjusting slide groove 3, the adjusting nut block 16 is fixedly connected with a fixing nut tube 4, the fixing nut tube 4 is threadedly connected with a supporting screw rod 6, the supporting screw rod 6 is fixedly connected with a rotating handle 5, the outer surface of the supporting screw rod 6 is threadedly connected with a supporting nut tube 28, the upper end of the supporting nut tube 28 is fixedly connected with a supporting plate 2, the fixing nut tube 4 is fixedly connected with a fixing plate 15, the fixing plate 15 is fixedly connected with a limiting rod 7, and the upper end of the limiting rod 7 is fixedly connected to the supporting plate 2.

[0022] Advantageously, a moving mechanism is provided on the bottom wall of the frame 1, and the moving mechanism is used to drive the frame 1 to move. The moving mechanism includes a moving frame 20 rotatably connected to the bottom wall of the frame 1, and a moving shaft 29 is rotatably connected to the end wall of the moving frame 20, and a moving wheel 11 is fixedly connected to the end of the moving shaft 29.

[0023] Advantageously, a braking mechanism is provided on the frame 1, and the braking mechanism is used to brake the frame 1. The braking mechanism includes a bevel gear cavity 22 provided in the frame 1, and a driving bevel gear shaft 24 is rotatably connected between the end walls of the bevel gear cavity 22. The outer surface of the driving bevel gear shaft 24 is fixedly connected to a driving bevel gear 23, and the driving bevel gear 23 is meshed with a driven bevel gear 25. The driven bevel gear 25 is fixedly installed on the upper end of a brake screw 26. A braking groove 27 is provided in the frame 1, and a fixed cylinder 17 is fixedly connected to the bottom wall of the frame 1. A brake nut cylinder 18 is slidably connected in the fixed cylinder 17, and a brake plate 19 is rotatably connected to the lower end of the brake nut cylinder 18. The brake nut cylinder 18 is threadedly connected to the brake screw 26.

[0024] Advantageously, a pulling mechanism is connected to the active bevel gear shaft 24, and the pulling mechanism is used to pull the frame 1 to move. The pulling mechanism includes a connecting shaft 21 fixedly connected to the end of the active bevel gear shaft 24, and a groove block 13 is fixedly connected to the end of the connecting shaft 21. A rotating shaft 14 is rotatably connected to the groove block 13, and a handle 12 is fixedly installed on the outer surface of the rotating shaft 14.

[0025] The working process of the utility model is as follows: when inspecting the natural gas pipeline, the handle 12 is pulled to move, thereby pulling the rotating shaft 14 to move, thereby driving the groove block 13 to move, thereby pulling the connecting shaft 21 to move, thereby pulling the frame 1 to move, thereby making the moving frame 20 move, thereby driving the moving rotating shaft 29 to rotate, thereby driving the moving wheel 11 to rotate, thereby driving the frame 1 to move, thereby driving the support plate 2 to move to the lower side of the natural gas pipeline, manually rotating the handle 12 to rotate, thereby driving the rotating shaft 14 to rotate, thereby driving the groove block 13 to rotate. , thereby driving the connecting shaft 21 to rotate, thereby driving the active bevel gear shaft 24 to rotate, thereby driving the active bevel gear 23 to rotate, the active bevel gear 23 is meshed with the driven bevel gear 25, thereby driving the brake screw 26 to rotate, thereby driving the brake nut cylinder 18 to move downward, thereby driving the brake plate 19 to move downward and contact the ground, thereby realizing braking support, manually rotating the rotating handle 5, thereby driving the support screw 6 to rotate, thereby driving the support nut cylinder 28 to move upward, thereby driving the support plate 2 to move upward to support the natural gas pipeline.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temporary support device for natural gas pipeline maintenance, characterized in that: The invention comprises a vehicle frame (1), wherein the vehicle frame (1) is provided with a supporting mechanism, wherein the supporting mechanism comprises an adjusting slot (3) symmetrically provided on the vehicle frame (1), wherein an adjusting screw rod (8) is rotatably connected between the end walls of the adjusting slot (3), wherein the end of the adjusting screw rod (8) is fixedly connected with a hand wheel plate (9), wherein a hand wheel handle (10) is rotatably connected to the hand wheel plate (9), wherein an adjusting nut block (16) is threadedly connected to the outer surface of the adjusting screw rod (8), wherein the adjusting nut block (16) is slidably installed between the end walls of the adjusting slot (3), and wherein the adjusting nut block (16) is rotatably connected to the end wall of the adjusting slot (3). ) is fixedly connected to a fixing nut tube (4), a supporting screw rod (6) is threadedly connected to the fixing nut tube (4), a rotating handle (5) is fixedly connected to the supporting screw rod (6), a supporting nut tube (28) is threadedly connected to the outer surface of the supporting screw rod (6), an upper end of the supporting nut tube (28) is fixedly connected to a supporting plate (2), a fixing plate (15) is fixedly connected to the fixing nut tube (4), a limiting rod (7) is fixedly connected to the fixing plate (15), and an upper end of the limiting rod (7) is fixedly connected to the supporting plate (2).

2. A temporary support device for natural gas pipeline maintenance according to claim 1, characterized in that: A moving mechanism is provided on the bottom wall of the frame (1), the moving mechanism comprising a moving frame (20) rotatably connected to the bottom wall of the frame (1), a moving shaft (29) rotatably connected to the end wall of the moving frame (20), and a moving wheel (11) fixedly connected to the end of the moving shaft (29).

3. A temporary support device for natural gas pipeline maintenance according to claim 2, characterized in that: The frame (1) is provided with a brake mechanism, which comprises a bevel gear cavity (22) provided in the frame (1), an active bevel gear shaft (24) rotatably connected between the end walls of the bevel gear cavity (22), an outer surface of the active bevel gear shaft (24) fixedly connected to the active bevel gear (23), the active bevel gear (23) meshing with the driven bevel gear (25), the driven bevel gear (25) fixedly mounted on the upper end of a brake screw (26), a brake slide groove (27) provided in the frame (1), a fixed cylinder (17) fixedly connected to the bottom wall of the frame (1), a brake nut cylinder (18) slidably connected in the fixed cylinder (17), a brake plate (19) rotatably connected to the lower end of the brake nut cylinder (18), and the brake nut cylinder (18) is threadedly connected to the brake screw (26).

4. A temporary support device for natural gas pipeline maintenance according to claim 3, characterized in that: The active bevel gear shaft (24) is connected to a pulling mechanism, the pulling mechanism comprising a connecting shaft (21) fixedly connected to the end of the active bevel gear shaft (24), the end of the connecting shaft (21) being fixedly connected to a groove block (13), the groove block (13) being rotatably connected to a rotating shaft (14), and a handle (12) being fixedly mounted on the outer surface of the rotating shaft (14).

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