Natural gas pipeline supporting frame

Abstract

The utility model belongs to the technical field of supporting frames, and particularly relates to a natural gas pipeline supporting frame. The natural gas pipeline supporting frame comprises a mounting shell, and a pair of holding arms penetrating through the left side and the right side of the top wall of the mounting shell; the first driving mechanism is fixedly arranged in the mounting shell and is used for driving the two holding arms to be close to each other or separated from each other; and the lifting device drives the mounting shell to move up and down. The natural gas pipeline supporting frame is suitable for supporting operation of natural gas pipelines with different diameters in the natural gas pipeline maintenance and first-aid repair process, a natural gas pipeline support can be additionally arranged for an existing natural gas pipeline maintenance and first-aid repair technical system, and the natural gas pipeline construction operation progress is accelerated.

Description

Technical Field

[0001] The utility model belongs to the technical field of support frames, and in particular relates to a natural gas pipeline support frame. Background Art

[0002] A natural gas pipeline refers to a pipeline that transports natural gas from the extraction site or processing plant to a city's gas distribution center or an industrial enterprise user. It is also called a gas transmission pipeline. Using a natural gas pipeline to transport natural gas is a way to transport large quantities of natural gas on land.

[0003] After searching, Chinese patent announcement number CN216843445U discloses a natural gas pipeline support frame, including a bottom plate, the upper end of the bottom plate is fixedly connected to the first shell, the lower end of the side wall of the first shell is provided with a second shell, the second shell is provided with an adjustment mechanism, the first shell is sleeved with a support leg, the top of the support leg is provided with a support arc plate, the adjustment mechanism includes an adjustment handle, the adjustment handle is sleeved with a transmission shaft, one end of the transmission shaft is fixedly connected with a first conical wheel, and a positioning key is fixedly connected to the outer wall of the end of the adjustment handle sleeved with the transmission shaft. Anti-tilt mechanisms are provided below the two sides of the support arc plate. The natural gas pipeline support frame is provided with an adjustment mechanism, and the support height of the entire device can be controlled by manually turning the adjustment handle. The adjustment range is large and the precision is high, which can provide a better support effect for the supported natural gas pipeline.

[0004] However, in actual use, the device is unable to achieve a more stable clamping of pipes of different sizes, and is prone to loosening and falling off. In severe cases, it may cause damage to the natural gas pipeline and the risk of natural gas leakage. When adjusting the height, the support frame is prone to sliding for a long time and is not strong enough. Utility Model Content

[0005] In order to solve the deficiencies of the prior art, the utility model provides a natural gas pipeline support frame. The natural gas pipeline support frame is suitable for supporting natural gas pipelines of different diameters during the maintenance and emergency repair of natural gas pipelines, and can add a natural gas pipeline support to the existing technical system for maintenance and emergency repair of natural gas pipelines, thereby accelerating the progress of natural gas pipeline construction operations.

[0006] The technical solution provided by the utility model is as follows:

[0007] A natural gas pipeline support frame, comprising:

[0008] A mounting shell, through which a pair of clamping arms are arranged on the left and right sides of the top wall of the mounting shell;

[0009] A first driving mechanism fixedly disposed in the mounting shell, used for driving the two clamping arms to move closer to or away from each other;

[0010] And a lifting device for driving the installation shell to move up and down.

[0011] Based on the above technical solution, the first driving mechanism can be used to move the clamping arm to clamp the pipeline, thereby supporting and fixing it. The lifting device can drive the support frame to move up and down as a whole.

[0012] Specifically, the lifting device includes:

[0013] A base fixedly arranged below the mounting shell;

[0014] And a vertically arranged electric telescopic rod, the lower end of which is fixedly arranged on the base, and the upper end of which is fixedly connected to the bottom plate of the mounting shell.

[0015] Based on the above technical solution, it is convenient to adjust the height of the installation shell.

[0016] Further:

[0017] The base is a horizontally arranged rectangular seat plate;

[0018] The four corners of the base are respectively fixedly connected to a vertically arranged support leg, and the upper end of each support leg passes through the bottom plate of the mounting shell;

[0019] A vertical row of clamping blocks are arranged on opposite side walls of a pair of supporting legs arranged on the left and right sides, and correspondingly, a pair of clamping structures are arranged on the left and right sides of the bottom plate of the installation shell.

[0020] Based on the above technical solution, after the installation shell part is lifted or lowered, the position of the installation shell part can be fixed and the weight can be supported by the locking structure to share the pressure of the electric telescopic rod.

[0021] Furthermore, a limiting plate is fixedly arranged above the supporting leg.

[0022] Based on the above technical solution, the lifting and lowering of the installation shell can be limited to avoid collision between the supporting legs and the rack.

[0023] Specifically, each of the blocking structures includes:

[0024] A fixing plate fixedly arranged on the lower surface of the bottom plate of the mounting shell, wherein the fixing plate is penetrated by a vertical through hole;

[0025] A horizontally arranged transmission rod has a corresponding locking tooth at one end close to the blocking block, the middle portion of which passes through the through hole, and the end away from the blocking block is connected to a support plate via at least one pull rope and at least one third spring, and the two support plates are respectively fixedly connected to the two ends of the synchronous horizontal moving device.

[0026] Based on the above technical solution, the transmission rod can be squeezed and moved by the block during the upward movement. After the transmission rod is reset, the de-engaging teeth will reach the block and be supported by the block. The block limits the lifting and lowering of the installation shell and can support the weight. The number of blocks is not less than three.

[0027] Furthermore, the block is a right-angled triangle structure with a horizontal upper end surface, the tooth is a right-angled triangle structure with a horizontal lower end surface, and the inclined surface of the block faces the inclined surface of the tooth.

[0028] Specifically, the synchronous horizontal movement device includes:

[0029] A horizontally arranged bidirectional screw rod is arranged in a slotted hole provided on the bottom plate of the mounting shell, wherein the bidirectional screw rod is provided with a pair of threads in opposite directions at the left and right sections, and is rotatably connected to the mounting shell at both ends;

[0030] Two threaded sleeves are respectively threadedly connected to one end of the bidirectional screw rod; each of the threaded sleeves is respectively fixedly connected to one of the support plates;

[0031] And a second driving mechanism for driving the bidirectional screw to rotate.

[0032] Based on the above technical solution, the two threaded sleeves can be brought close to each other synchronously, thereby retracting the transmission rod and allowing the mounting shell to move downward.

[0033] Specifically, the second driving mechanism includes: a first bevel gear fixedly arranged on the outer periphery of the middle part of the bidirectional screw, which is arranged perpendicular to the bidirectional screw; a second bevel gear meshing with the first bevel gear, which is arranged perpendicular to the first bevel gear; and a rotating rod fixedly connected to the second bevel gear at the end, the other end of which passes through the mounting shell and is provided with a rotating handle.

[0034] Specifically, the first driving mechanism includes:

[0035] A motor is vertically fixedly arranged on the bottom plate of the mounting shell, wherein the output shaft of the motor is arranged upward and a gear plate is fixedly arranged thereon;

[0036] Two racks are respectively arranged on the front and rear sides of the gear plate, each of the racks is meshed with the gear plate at one end, a clamping rod is fixedly arranged at the other end, and each of the racks is provided with a horizontal limit structure;

[0037] And two clamping claw structures are arranged opposite to each other, each of the clamping claw structures is fixedly arranged on one of the clamping rods, and the clamping rod and the clamping claws constitute the clamping arm.

[0038] Based on the above technical solution, the two clasping arms can be synchronously moved closer to or farther away from each other.

[0039] Furthermore, each of the racks is fixedly connected to one end of a limiting rod, and the other end of the limiting rod is slidably connected in a horizontal limiting groove. Each of the limiting grooves is arranged on the inner wall of the mounting shell, and the limiting rod and the limiting groove constitute the horizontal limiting structure.

[0040] Based on the above technical solution, the motion trajectory of the rack can be limited.

[0041] Specifically, each of the clamping claw structures at least includes an arc-shaped fixing plate, a arc-shaped trigger block is arranged at the middle thereof, the trigger block and the arc-shaped fixing plate are elastically connected via a horizontal first spring, and the two trigger blocks are arranged opposite to each other.

[0042] Furthermore, the two ends of the arc-shaped fixing plate are respectively rotatably connected with an arc-shaped clamping plate, one end of each arc-shaped clamping plate close to the arc-shaped fixing plate is fixedly connected to one end of a second spring, and the other end of the second spring is fixedly connected to one end of the trigger block close to the arc-shaped clamping plate.

[0043] Based on the above technical solution, the trigger block drives the second spring to shrink toward the inside of the fixed block, and the second spring drives the arc-shaped clamping plate to clamp the pipe, making the clamped pipe more stable.

[0044] Beneficial effects of the utility model:

[0045] The natural gas pipeline support frame provided by the utility model drives the gear to rotate through the rotation of the motor, the rotation of the gear drives the racks on both sides to move relative to each other, the relative movement of the racks drives the clamping rod to move relative to each other, the movement of the clamping rod drives the relative movement of the fixed block, the relative movement of the fixed block drives the touch block to move, the touch block continues to move after contacting the pipeline, the touch block squeezes the first spring to move toward the inside of the fixed block, the touch block drives the second spring to shrink toward the inside of the fixed block, the second spring drives the arc-shaped clamping plate to clamp the pipeline, so that the clamped pipeline is more stable and not easy to fall off, thereby greatly reducing the risk of natural gas leakage.

[0046] The natural gas pipeline support frame drives the installation shell to rise and fall through the extension and retraction of the electric telescopic rod, and the installation shell drives the fixed plate on the lower surface to move up and down, and the installation shell drives the transmission rod to rise, and the transmission rod rises and is squeezed by the block to shrink inward, the inclined surface of the transmission rod fits with the inclined surface of the block, and the transmission rod shrinks inward, causing the inclined surface of the transmission rod and the block to be misaligned, and the support frame can rise smoothly, and the transmission rod is squeezed by the third spring, and the transmission rod moves to a position corresponding to the block, and the transmission rod is clamped by the block, so as to support the installation shell, and the second bevel gear is driven to rotate by the rotation of the rotating rod, and the second bevel gear drives the first bevel gear to rotate, and the first bevel gear rotates to drive the two-way screw rod to rotate, and the two-way screw rod rotates to drive the threaded sleeve to move relatively, and the threaded sleeve drives the support plate to move left and right, and the support plate moves to pull the pull rope to drive the transmission rod to move relatively, and the transmission rod moves and separates from the block to descend, so that a better stability effect can be achieved when adjusting the height. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of the overall structure of the natural gas pipeline support frame provided by the utility model.

[0048] Figure 2 It is a schematic diagram of the internal structure of the natural gas pipeline support frame provided by the utility model.

[0049] Figure 3 It is a structural top view of the rack and gear plate part of the natural gas pipeline support frame provided by the utility model.

[0050] Figure 4 yes Figure 2 A partial enlarged view of point A.

[0051] Figure 5 It is a structural schematic diagram of the synchronous horizontal moving device part of the natural gas pipeline support frame provided by the utility model.

[0052] Attached Figure 1 , 2 In , 3, 4, and 5, the structures represented by each number are listed as follows:

[0053] 1. Mounting shell; 2. Motor; 3. Gear plate; 4. Rack; 5. Fixing plate; 6. Clamping rod; 7. Arc-shaped fixing plate; 8. Trigger block; 9. First spring; 10. Arc-shaped clamping plate; 11. Second spring; 12. Support leg; 13. Base; 14. Electric telescopic rod; 15. Limiting plate; 16. Transmission rod; 17. Limiting rod; 18. Third spring; 19. Pull rope; 20. Support plate; 21. Limiting groove; 22. Block; 23. Slot hole; 24. Bidirectional screw; 25. Threaded sleeve; 26. First bevel gear; 27. Second bevel gear; 28. Rotating rod. DETAILED DESCRIPTION

[0054] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0055] It should be noted that when a part or component is considered to be "connected", "located", or "assembled" on another part or component, it may be directly disposed on the other part or component or there may be a central part or component at the same time. The terms "left", "right", "upper", "lower" and similar expressions used herein are for illustrative purposes only.

[0056] In a specific embodiment, Figure 1 As shown, the natural gas pipeline support frame includes: a mounting shell 1, a pair of clamping arms are arranged on the left and right sides through the top wall of the mounting shell 1; a first driving mechanism fixedly arranged in the mounting shell 1, used to drive the two clamping arms to move closer to or away from each other; and a lifting device that drives the mounting shell 1 to move up and down. Based on this technical solution, the pipeline can be held by moving the clamping arms, so as to support and fix it. And the overall up and down movement of the support frame can be realized.

[0057] Example 1

[0058] Based on the above specific implementation methods, Figure 2 As shown, the first driving mechanism includes: a motor 2 vertically fixed on the bottom plate of the mounting shell 1, the output shaft of the motor 2 is arranged upward and fixed with a gear plate 3; two racks 4 are respectively arranged on the front and rear sides of the gear plate 3, each rack 4 is meshed with the gear plate 3 at one end, and a clamping rod 6 is fixed at the other end, and each rack 4 is provided with a horizontal limit structure; and two clamping claw structures arranged opposite to each other, each clamping claw structure is fixed on a clamping rod 6, and the clamping rod 6 and the clamping claw constitute a clamping arm. Based on this technical solution, the two clamping arms can be synchronously moved closer or farther from each other to hold or release the pipeline.

[0059] Example 2

[0060] On the basis of Example 1, Figure 3 As shown, each rack 4 is respectively fixedly connected to one end of the limit rod 17, and the other end of the limit rod 17 is slidably connected in a horizontal limit groove 21. Each limit groove 21 is arranged on the inner wall of the mounting shell 1. The limit rod 17 and the limit groove 21 constitute a horizontal limit structure. Based on this technical solution, the movement trajectory of the rack can be limited, thereby limiting the movement trajectory of the clamp rod.

[0061] Example 3

[0062] On the basis of Example 1, Figure 2As shown, each clamping claw structure at least includes an arc-shaped fixing plate 7, in the middle of which an arc-shaped trigger block 8 is arranged. The trigger block 8 and the arc-shaped fixing plate 7 are elastically connected via a horizontal first spring 9, and the two trigger blocks 8 are arranged opposite to each other.

[0063] Example 4

[0064] On the basis of Example 3, Figure 2 As shown, both ends of the arc-shaped fixing plate 7 are rotatably connected with an arc-shaped clamping plate 10, and one end of each arc-shaped clamping plate 10 close to the arc-shaped fixing plate 7 is fixedly connected to one end of the second spring 11, and the other end of the second spring 11 is fixedly connected to one end of the trigger block 8 close to the arc-shaped clamping plate 10. Based on this technical solution, the trigger block drives the second spring to contract toward the inside of the fixing block, and the second spring drives the arc-shaped clamping plate to clamp the pipe, making the clamped pipe more stable.

[0065] Example 5

[0066] Based on the above specific implementation methods, Figure 2 As shown, the lifting device includes: a base 13 fixedly arranged below the mounting shell 1; and a vertically arranged electric telescopic rod 14, the lower end of the electric telescopic rod 14 is fixedly arranged on the base 13, and the upper end of the electric telescopic rod 14 is fixedly connected to the bottom plate of the mounting shell 1. Based on this technical solution, the height of the mounting shell can be conveniently adjusted.

[0067] Example 6

[0068] On the basis of Example 5, Figure 2 As shown, the base 13 is a horizontally arranged rectangular seat plate, and a vertically arranged support leg 12 is fixedly connected to each of the four corners of the base 13, and the upper end of each support leg 12 passes through the bottom plate of the mounting shell 1. A limit plate 15 is fixedly arranged above the support leg 12. On the opposite side walls of a pair of support legs 12 arranged on the left and right, a vertical row of blocks 22 are arranged oppositely, and correspondingly, a pair of blocking structures are arranged on the left and right of the bottom plate of the mounting shell 1. Based on this technical solution, the limit plate can be used to prevent the support leg from colliding with the rack. And the mounting shell part can be fixed in position and supported in weight by the blocking structure to share the pressure of the electric telescopic rod.

[0069] Example 7

[0070] On the basis of Example 6, Figure 2 , 4As shown, each blocking structure includes: a fixing plate 5 fixedly arranged on the lower surface of the bottom plate of the mounting shell 1, and the fixing plate 5 is penetrated by a vertical through hole; a horizontally arranged transmission rod 16, whose end close to the block 22 is provided with a corresponding locking tooth, the middle part of which passes through the through hole, and the end away from the block 22 is connected to the support plate 20 through at least one pull rope 19 and at least one third spring 18, and the two support plates 20 are respectively fixedly connected to the two ends of the synchronous horizontal moving device. Based on this technical solution, the transmission rod can be squeezed and moved by the block during the upward movement. After the transmission rod is reset, the locking tooth will reach the block and be supported by the block. The block limits the lifting and lowering of the mounting shell and can support the weight. The number of blocks is not less than three.

[0071] Example 8

[0072] On the basis of Example 7, Figure 5 As shown, the synchronous horizontal movement device includes: a horizontally arranged bidirectional screw rod 24, which is arranged in a slot 23 opened on the bottom plate of the mounting shell 1, and the bidirectional screw rod 24 is provided with a pair of threads in opposite directions at the left and right sections, and is rotatably connected to the mounting shell 1 at both ends; two threaded sleeves 25, which are respectively threadedly connected to one end of the bidirectional screw rod 24; each threaded sleeve 25 is respectively fixedly connected to a support plate 20; and a second driving mechanism that drives the bidirectional screw rod 24 to rotate. Based on this technical solution, the two threaded sleeves can be synchronously approached, thereby retracting the transmission rod, so that the mounting shell can move downward.

[0073] Example 9

[0074] On the basis of Example 8, Figure 5 As shown, the second driving mechanism includes: a first bevel gear 26 fixedly arranged on the outer periphery of the middle part of the bidirectional screw 24, which is arranged perpendicular to the bidirectional screw 24; a second bevel gear 27 meshing with the first bevel gear 26, which is arranged perpendicular to the first bevel gear 26; and a rotating rod 28 fixedly connected to the second bevel gear 27 at the end, the other end of which passes through the mounting shell 1 and is provided with a rotary handle.

[0075] During the use of the natural gas pipeline support frame, the motor 2 rotates to drive the gear plate 3 to rotate, and the rotation of the gear plate 3 drives the racks 4 on both sides to move relative to each other. The relative movement of the racks 4 drives the clamping rod 6 to move relative to each other, and the movement of the clamping rod 6 drives the arc-shaped fixed block 7 to move relative to each other. The relative movement of the arc-shaped fixed block 7 drives the touch block 8 to move. After the touch block 8 moves and contacts the pipeline, it continues to move. The touch block 8 squeezes the first spring 9 to move toward the inside of the arc-shaped fixed block 7, and the touch block 8 drives the second spring 11 to contract toward the inside of the arc-shaped fixed block 7. The second spring 11 drives the arc-shaped clamping plate 10 to clamp the pipeline, making the clamped pipeline more stable and not easy to fall off, thereby greatly reducing the risk of natural gas leakage.

[0076] The electric telescopic rod 14 is extended and retracted to drive the installation shell 1 to rise and fall, and the installation shell 1 drives the fixing plate 5 on the lower surface to move up and down, and the installation shell 1 drives the transmission rod 16 to rise. The transmission rod 16 is squeezed and retracted inward by the block 22 when it rises, and the inclined surface of the transmission rod 16 matches the inclined surface of the block 22. The transmission rod 16 retracts inward, causing the inclined surface of the transmission rod 16 to be misaligned with the block 22, and the installation shell 1 can be smoothly raised. The transmission rod 16 is squeezed by the third spring 18, and the transmission rod 16 moves to a position corresponding to the block 22, and the transmission rod 16 is clamped by the block 22, thereby supporting the installation shell 1. The rotating rod 28 is rotated to drive the second bevel gear 27 to rotate, the second bevel gear 27 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the bidirectional screw rod 24 to rotate, the bidirectional screw rod 24 drives the threaded sleeve 25 to move relatively, the threaded sleeve 25 drives the support plate 20 to move left and right, the support plate 20 moves to pull the pull rope 19 to drive the transmission rod 16 to move relatively, the transmission rod 16 moves and separates from the block 22 to descend, so that a better stability effect can be achieved when adjusting the height.

[0077] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A natural gas pipeline support frame, characterized in that: include: A mounting shell (1), wherein a pair of clamping arms are arranged on the left and right sides of the top wall of the mounting shell (1); A first driving mechanism fixedly arranged in the mounting shell (1) and used for driving the two clamping arms to move closer to or away from each other; and a lifting device for driving the mounting shell (1) to move up and down; The first driving mechanism comprises: A motor (2) is vertically fixedly arranged on the bottom plate of the mounting shell (1), wherein the output shaft of the motor (2) is arranged upward and a gear plate (3) is fixedly arranged thereon; Two racks (4) are respectively arranged on the front and rear sides of the gear plate (3), each of the racks (4) is meshed with the gear plate (3) at one end, and a clamping rod (6) is fixedly arranged at the other end, and each of the racks (4) is provided with a horizontal limiting structure; and two clamping claw structures arranged opposite to each other, each of the clamping claw structures being fixedly arranged on one of the clamping rods (6), the clamping rod (6) and the clamping claws constituting the clamping arm; Each of the clamping claw structures at least comprises an arc-shaped fixing plate (7), wherein an arc-shaped trigger block (8) is arranged at the middle thereof, the trigger block (8) and the arc-shaped fixing plate (7) are elastically connected via a horizontal first spring (9), and the two trigger blocks (8) are arranged opposite to each other; The two ends of the arc-shaped fixed plate (7) are also rotatably connected to an arc-shaped clamping plate (10), respectively; one end of each arc-shaped clamping plate (10) close to the arc-shaped fixed plate (7) is fixedly connected to one end of a second spring (11), and the other end of the second spring (11) is fixedly connected to one end of the trigger block (8) close to the arc-shaped clamping plate (10).

2. The natural gas pipeline support frame according to claim 1, characterized in that: The lifting device comprises: A base (13) fixedly arranged below the mounting shell (1); and a vertically arranged electric telescopic rod (14), wherein the lower end of the electric telescopic rod (14) is fixedly arranged on the base (13), and the upper end of the electric telescopic rod (14) is fixedly connected to the bottom plate of the mounting shell (1).

3. The natural gas pipeline support frame according to claim 2 is characterized in that: The base (13) is a horizontally arranged rectangular base plate; The four corners of the base (13) are respectively fixedly connected to a vertically arranged support leg (12), and the upper end of each support leg (12) passes through the bottom plate of the mounting shell (1); On the opposite side walls of a pair of the supporting legs (12) arranged on the left and right, there are oppositely arranged a vertical row of clamping blocks (22), and correspondingly, on the bottom plate of the installation shell (1), there are a pair of clamping structures arranged on the left and right.

4. The natural gas pipeline support frame according to claim 3, characterized in that: Each of the stuck structures comprises: A fixing plate (5) fixedly arranged on the lower surface of the bottom plate of the mounting shell (1), wherein the fixing plate (5) is penetrated by a vertical through hole; A transmission rod (16) is arranged horizontally, and a corresponding locking tooth is arranged at one end of the transmission rod (16) close to the locking block (22). The middle part of the transmission rod (16) passes through the through hole, and the end of the transmission rod (16) away from the locking block (22) is connected to a support plate (20) through at least one pull rope (19) and at least one third spring (18). The two support plates (20) are respectively fixedly connected to the two ends of the synchronous horizontal moving device.

5. The natural gas pipeline support frame according to claim 4, characterized in that: The synchronous horizontal moving device comprises: A horizontally arranged bidirectional screw rod (24) is arranged in a slot (23) provided on the bottom plate of the mounting shell (1); the bidirectional screw rod (24) is provided with a pair of threads in opposite directions at the left and right sections, and is rotatably connected to the mounting shell (1) at both ends; Two threaded sleeves (25) are respectively threadedly connected to one end of the bidirectional screw rod (24); each of the threaded sleeves (25) is respectively fixedly connected to one of the support plates (20); And a second driving mechanism for driving the bidirectional screw rod (24) to rotate.

6. The natural gas pipeline support frame according to claim 5, characterized in that: The second driving mechanism comprises: a first bevel gear (26) fixedly arranged on the outer periphery of the middle part of the bidirectional screw (24), and arranged perpendicularly to the bidirectional screw (24); a second bevel gear (27) meshing with the first bevel gear (26), and arranged perpendicularly to the first bevel gear (26); and a rotating rod (28) fixedly connected to the second bevel gear (27) at one end, the other end of which passes through the mounting shell (1) and is provided with a rotating handle; The clamping block (22) is a right-angled triangle structure, the upper end surface of which is horizontal, and the clamping teeth are a right-angled triangle structure, the lower end surface of which is horizontal, and the inclined surface of the clamping block (22) faces the inclined surface of the clamping teeth; A limiting plate (15) is fixedly arranged above the supporting leg (12).

7. The natural gas pipeline support frame according to claim 1, characterized in that: Each of the racks (4) is respectively fixedly connected to one end of a limiting rod (17), and the other end of the limiting rod (17) is slidably connected in a horizontal limiting groove (21). Each of the limiting grooves (21) is arranged on the inner wall of the mounting shell (1), and the limiting rod (17) and the limiting groove (21) constitute the horizontal limiting structure.

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