Bolt for high-pressure equipment of oil and gas drilling and production platform

Abstract

The utility model relates to a bolt for oil gas drilling platform high-pressure equipment, which comprises an oil gas drilling platform body, a high-pressure compressor body is arranged on the surface of the oil gas drilling platform body, the high-pressure compressor body is connected with the oil gas drilling platform body through a plurality of bolt components, and nut components are sleeved outside the bolt components. The bolt assembly comprises a bolt body, the limiting block and the auxiliary screw are effectively driven to rotate by screwing the rotating disc, so that the extending length of the auxiliary screw is adjusted, a clamping rod can be conveniently inserted into the inner side of the nut assembly in a matched mode subsequently, and the clamping rod is effectively and integrally moved outwards by pulling the clamping rod outwards; the arc-shaped end of the clamping rod can be conveniently rotated to be flush with the middle of the nut assembly, then the clamping rod is loosened, the clamping rod integrally moves inwards under the influence of resilience force of the spring, so that the arc-shaped end of the clamping rod is clamped to the inner side of the nut assembly, at the moment, the nut assembly and a bottom part of the bolt body restrict each other, and the loosening possibility of the bolt body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas drilling platform high pressure equipment technical field especially relates to a kind of bolts for oil and gas drilling platform high pressure equipment. BACKGROUND

[0002] Oil and gas drilling platform high pressure equipment is the key equipment for processing high pressure fluid and gas in the process of oil and gas drilling, and the common types include high pressure mud pump, blowout preventer set, high pressure choke manifold, high pressure Christmas tree and high pressure compressor etc. Bolts are needed when fixing oil and gas drilling platform high pressure equipment.

[0003] The existing bolt structure for oil and gas drilling platform high pressure equipment is relatively simple, and the high pressure equipment on the surface of the oil and gas drilling platform needs to work for a long time. The mechanical vibration generated during work is easily transmitted to the bolt, causing the bolt to loosen. In view of this, we propose a bolt for oil and gas drilling platform high pressure equipment. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide a bolt for oil and gas drilling platform high pressure equipment to solve the technical problem that the existing bolt structure for oil and gas drilling platform high pressure equipment is relatively simple, and the high pressure equipment on the surface of the oil and gas drilling platform needs to work for a long time. The mechanical vibration generated during work is easily transmitted to the bolt, causing the bolt to loosen.

[0005] In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a bolt for oil and gas drilling platform high pressure equipment is designed, which includes an oil and gas drilling platform body. A high pressure compressor body is provided on the surface of the oil and gas drilling platform body. The high pressure compressor body and the oil and gas drilling platform body are connected by a plurality of bolt assemblies. A nut assembly is provided outside the bolt assembly.

[0006] The bolt assembly includes a bolt body, an auxiliary screw is screwed on the inside bottom of the bolt body, a limit block is fixedly connected to the bottom of the auxiliary screw, a turntable is fixedly connected to the bottom of the limit block, a set of cylinder racks are symmetrically fixed on the surface of the limit block, a set of clamping rods are symmetrically clamped inside the cylinder racks, a limit plate is fixedly connected to the end of the clamping rod near the cylinder rack, and a spring is provided on one side of the limit plate.

[0007] Preferably, a threaded groove matching the auxiliary screw is formed on the inside bottom of the bolt body, and the height of the auxiliary screw is the same as the depth of the threaded groove.

[0008] Preferably, the limit block and the turntable are integrally formed, and a plurality of tooth blocks are uniformly fixed on the outside of the turntable.

[0009] Preferably, the limiting block is integrally formed between the cylinder frame, and the clamping rod forms an elastic structure with the limiting plate, the spring and the cylinder frame.

[0010] Preferably, the nut assembly comprises a hexagonal nut body, and a limiting groove is formed in the middle of the hexagonal nut body.

[0011] Preferably, one end of the clamping rod can be clamped inside the limiting groove, and the inner wall of the limiting groove is attached to the outer wall of the clamping rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses effectively drive limiting block and auxiliary screw rod through screwing the rotating disc, thereby adjusting the extension length of the auxiliary screw rod, facilitating that the subsequent clamping rod can be adaptively inserted in the inner side of the nut assembly, and effectively moving the clamping rod as a whole by pulling the clamping rod outward, facilitating that the arc-shaped end of the clamping rod is rotated to be flush with the middle of the nut assembly, then the clamping rod is loosened, and the clamping rod moves inward as a whole under the influence of the spring elastic force, so that the arc-shaped end of the clamping rod is clamped to the inner side of the nut assembly, at this moment, the nut assembly and the bottom part of the bolt body are restricted to each other, and the possibility of loosening of the bolt body is reduced.

[0014] 2. The utility model discloses effectively limit the vertical movement of the clamping rod through the limiting groove, and because the inner wall of the limiting groove is attached to the outer wall of the clamping rod, when the arc-shaped end of the clamping rod is clamped to the inner side of the limiting groove, the clamping rod does not rotate and separate from the limiting groove, and is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the local three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is the local partial disassembly structure schematic diagram of the utility model;

[0018] Figure 4 It is the local partial disassembly structure schematic diagram of the utility model from another angle;

[0019] Figure 5 It is the local sectional structure schematic diagram of the utility model;

[0020] In the drawing: 1, oil and gas drilling and production platform body; 2, high-pressure compressor body; 3, bolt assembly; 4, nut assembly;

[0021] 301, bolt body; 302, auxiliary screw rod; 303, limiting block; 304, rotating disc; 305, cylinder frame; 306, clamping rod; 307, limiting plate; 308, spring;

[0022] 401, hexagonal nut body; 402, limiting groove. DETAILED DESCRIPTION

[0023] The utility model is further illustrated below in combination with the drawings and examples:

[0024] A bolt for high-pressure equipment of an oil and gas drilling platform, referring to Figures 1 to 5 , comprising an oil and gas drilling platform body 1, a high-pressure compressor body 2 is arranged on the surface of the oil and gas drilling platform body 1, a plurality of bolt assemblies 3 are arranged between the high-pressure compressor body 2 and the oil and gas drilling platform body 1, and a nut assembly 4 is arranged outside the bolt assemblies 3.

[0025] The bolt assembly 3 comprises a bolt body 301, and an auxiliary screw rod 302 is screwed on the inner side of the bottom of the bolt body 301, wherein a threaded groove matched with the auxiliary screw rod 302 is arranged on the inner side of the bottom of the bolt body 301, the height of the auxiliary screw rod 302 is the same as the depth of the threaded groove, a limiting block 303 is fixedly connected to the bottom of the auxiliary screw rod 302, a turntable 304 is fixedly connected to the bottom of the limiting block 303, further, the limiting block 303 and the turntable 304 are integrally formed, a plurality of tooth blocks are uniformly fixed to the outer side of the turntable 304, a group of cylinder racks 305 are symmetrically fixed to the surface of the limiting block 303, a group of clamping rods 306 are symmetrically clamped in the inside of the group of cylinder racks 305, a limiting plate 307 is fixedly connected to the end of the clamping rod 306 close to the cylinder rack 305, a spring 308 is arranged on one side of the limiting plate 307, further, the limiting block 303 and the cylinder rack 305 are integrally formed, and the clamping rod 306, the limiting plate 307 and the spring 308 constitute an elastic structure with the cylinder rack 305. The utility model effectively drives the limiting block 303 and the auxiliary screw rod 302 to rotate by rotating the turntable 304, so as to adjust the extension length of the auxiliary screw rod 302, which is convenient for the subsequent clamping rod 306 to be adaptively inserted into the inner side of the nut assembly 4, effectively moves the clamping rod 306 as a whole by pulling the clamping rod 306 outward, is convenient for rotating the arc-shaped end of the clamping rod 306 to be flush with the middle part of the nut assembly 4, then loosens the clamping rod 306, and the clamping rod 306 moves inward as a whole under the influence of the spring 308, so as to make the arc-shaped end of the clamping rod 306 be clamped into the inner side of the nut assembly 4, at this time, the nut assembly 4 and the bottom part of the bolt body 301 are restricted with each other, and the possibility of loosening of the bolt body 301 is reduced.

[0026] It is worth noting that the nut assembly 4 comprises a hexagonal nut body 401, and a limiting groove 402 is arranged in the middle part of the hexagonal nut body 401, wherein one end of the clamping rod 306 can be clamped into the inside of the limiting groove 402, and the inner wall of the limiting groove 402 is in close contact with the outer wall of the clamping rod 306. The utility model effectively limits the vertical movement of the clamping rod 306 through the limiting groove 402, and since the inner wall of the limiting groove 402 is in close contact with the outer wall of the clamping rod 306, when the arc-shaped end of the clamping rod 306 is clamped into the inner side of the limiting groove 402, the clamping rod 306 will not rotate and be separated from the limiting groove 402, and is relatively stable.

[0027] Working principle: after the high-pressure compressor body 2 and the oil and gas drilling platform body 1 are connected through the bolt body 301, the hex nut body 401 is screwed to the outside of the bolt body 301 for reinforcement, then the limiting block 303 and the auxiliary screw 302 are driven to rotate through the rotating disc 304, so that the extension length of the auxiliary screw 302 is adjusted, and the subsequent clamping rod 306 can be adapted to be inserted in the inside of the nut assembly 4, then the clamping rod 306 is moved outwardly through the outer pull clamping rod 306, and the arc-shaped end of the clamping rod 306 is rotated to be flush with the middle part of the nut assembly 4, then the clamping rod 306 is loosened, the clamping rod 306 is moved inwardly as a whole under the influence of the spring 308, so that the arc-shaped end of the clamping rod 306 is clamped to the inside of the nut assembly 4, and since the inner wall of the limiting groove 402 is attached to the outer wall of the clamping rod 306, when the arc-shaped end of the clamping rod 306 is clamped to the inside of the limiting groove 402, the clamping rod 306 cannot rotate and separate from the limiting groove 402, and is more stable, at this time, the nut assembly 4 and the bottom part of the bolt body 301 are restricted, and the possibility of loosening of the bolt body 301 is reduced.

[0028] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, are in the protection scope of the utility model.

Claims

1. A bolt for high pressure equipment of an oil and gas drilling and production platform comprising an oil and gas drilling and production platform body (1), characterized in that, The oil and gas drilling platform body (1) surface is equipped with high pressure compressor body (2), high pressure compressor body (2) and oil and gas drilling platform body (1) between through a number of bolt assembly (3) is connected, the bolt assembly (3) outside is equipped with nut assembly (4); The bolt assembly (3) includes bolt body (301), the auxiliary screw (302) is screwed on the bottom of the bolt body (301), the limit block (303) is fixedly connected to the bottom of the auxiliary screw (302), the turntable (304) is fixedly connected to the bottom of the limit block (303), a group of cylinder racks (305) are symmetrically fixed on the surface of the limit block (303), a group of clamping rods (306) are symmetrically clamped in a group of cylinder racks (305), the limit plate (307) is fixedly connected to the end of the clamping rod (306) close to the cylinder rack (305), and the spring (308) is arranged on one side of the limit plate (307).

2. The bolt for high pressure equipment of an oil and gas drilling and production platform according to claim 1, characterized in that, The bolt body (301) is provided with a threaded groove matched with the auxiliary screw (302) on the inner bottom, and the height of the auxiliary screw (302) is the same as the depth of the threaded groove.

3. The bolt for high pressure equipment of an oil and gas drilling and production platform according to claim 1, characterized in that, The limit block (303) and the turntable (304) are integrally formed, and a plurality of tooth blocks are uniformly fixed on the outer side of the turntable (304).

4. The bolt for high pressure equipment of an oil and gas drilling and production platform according to claim 1, characterized by, The limit block (303) and the cylinder rack (305) are integrally formed, and the clamping rod (306) forms an elastic structure through the limit plate (307), the spring (308) and the cylinder rack (305).

5. The bolt for high pressure equipment of an oil and gas drilling and production platform according to claim 1, characterized by, The nut assembly (4) includes a hexagonal nut body (401), and the limit slot (402) is formed in the middle of the hexagonal nut body (401).

6. A bolt for use in high pressure equipment of an oil and gas drilling and production platform according to claim 5, characterized in that One end of the clamping rod (306) can be clamped in the limit slot (402), and the inner wall of the limit slot (402) is fitted with the outer wall of the clamping rod (306).

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