Protective device for petroleum drilling and production equipment

By designing a modular protective device and utilizing a limiting plate and a movable screw structure, the problem of cumbersome disassembly of wellhead protective devices was solved, enabling rapid disassembly and transportation, reducing the labor intensity of workers, and improving operational efficiency.

CN224107232UActive Publication Date: 2026-04-10JIANHU YUXIANG MACHINERY MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANHU YUXIANG MACHINERY MFG CO LTD
Filing Date
2025-07-03
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing wellhead protection devices are cumbersome to disassemble and transport, increasing the workload of workers, and the traditional integrated structure is not convenient for frequent replacement of drilling tools.

Method used

A modular protective device was designed, which utilizes a limiting plate and a movable screw structure. The limiting plate is inserted into the oil wellhead for covering, and the protective plate can be quickly disassembled and assembled by the cooperation of the positioning slot and the positioning plate, thereby reducing the overall weight.

Benefits of technology

It enables the rapid disassembly and transportation of protective devices, reducing the labor intensity of staff and improving operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of petroleum drilling and production protection, in particular to a protection device for petroleum drilling and production equipment, which is characterized in that a placing groove is formed in the end face of a protection plate, a positioning clamping groove is formed in the side face of the protection plate, a positioning clamping plate is arranged on the other side face of the protection plate, a moving groove is formed in the end face of the positioning clamping plate, and a fixing groove is formed in the bottom of the protection plate. A traction plate is screwed to the surface of the moving screw, and a limiting clamping plate is arranged on the surface of the traction plate. The petroleum pipeline protection device has the beneficial effects that firstly, multiple sets of protection plates can be spliced and fixed, then the spliced protection plates cover and protect a petroleum wellhead through the limiting clamping plates, then a petroleum pipeline can be inserted into positioning holes formed after the multiple sets of protection plates are spliced to work, and the problem of deviation of the protection plates can be avoided through the arrangement of the limiting clamping plates; and when the protection plates need to be taken out, the multiple sets of protection plates can be detached, only the single protection plate needs to be carried, and therefore the weight of the whole protection device is reduced, and a worker can carry the protection device conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the petroleum drilling protection field, concretely is a kind of protective device for petroleum drilling equipment. BACKGROUND

[0002] In petroleum drilling operation, wellhead safety protection is crucial.The existing wellhead protection device mainly exists two forms:one is fixed wellhead protection, similar to well lid, although stable but mass, and when frequently changing drilling tool, it is more cumbersome to disassemble;Another is to use thin steel plate to make simple cover plate.

[0003] However, the conventional wellhead protection structure is mainly of one-piece structure, so that the one-piece wellhead protection structure is more cumbersome when disassembled, thereby increasing the labor of workers, and therefore the utility model provides a protective device for petroleum drilling equipment to solve the technical problems proposed above. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a protective device for petroleum drilling equipment to solve the problems proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a protective device for petroleum drilling equipment, comprising: a protective plate, the protective plate end surface is provided with a placing groove, the protective plate side surface is provided with a positioning slot, the other side surface of the protective plate is provided with a positioning plate, the end surface of the positioning plate is provided with a moving groove, the moving groove is provided with a limiting plate and a positioning spring, the bottom of the protective plate is provided with a fixed groove;

[0006] A moving screw is provided on the surface of the moving screw, and a traction plate is provided on the surface of the traction plate.

[0007] Preferably, the surface of the protective plate is provided with a pull plate, the end surface of the fixed groove is provided with a positioning bearing, and one end of the moving screw is fixedly connected to the inner ring surface of the positioning bearing.

[0008] Preferably, the side surface of the fixed groove is provided with a scale plate, the traction plate is slidably connected with the fixed groove, the limiting plate is in the form of an arc plate, the limiting plate is fixedly connected to the surface of the traction plate, and the limiting plate is inserted into the oil wellhead.

[0009] Preferably, the side surface of the positioning slot is provided with a mounting groove, and the positioning plate is inserted into the positioning slot.

[0010] Preferably, the surface of the placing groove is provided with a first bearing, the inner ring surface of the first bearing is fixedly connected with a positioning rod, and the surface of the positioning rod is provided with an auxiliary wheel.

[0011] Preferably, one end of the positioning spring is fixedly connected to the surface of the moving groove, and the other end of the positioning spring is fixedly connected to the bottom of the limiting plate. Multiple sets of positioning springs are provided, and the multiple sets of positioning springs are arranged linearly at equal intervals about the surface of the moving groove. One end of the limiting plate is inserted into the mounting groove.

[0012] Preferably, the surface of the limiting plate is provided with a corrugated plate, one end of which is fixedly connected to the surface of the limiting plate, and the other end of which is fixedly connected to the surface of the moving groove. A guide groove is provided on the end face of the limiting plate, and a guide rod is inserted into the guide groove. A limiting groove is provided on the side of the moving groove, and one end of the guide rod is inserted into the limiting groove. A sliding plate is provided on the end face of the guide rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The protective device for oil drilling and production equipment proposed in this utility model can first be spliced ​​and fixed together with multiple sets of protective plates. Then, the spliced ​​protective plates are used to cover and protect the oil wellhead with limiting plates. Then, the oil pipeline can be inserted into the positioning hole formed by the splicing of multiple sets of protective plates for operation. The setting of the limiting plates can prevent the protective plates from shifting. When it is necessary to remove the protective plates, multiple sets of protective plates can be disassembled, and only a single protective plate needs to be moved, thereby reducing the weight of the entire protective device and making it easier for workers to move. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a side view of the structure of this utility model;

[0017] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0018] Figure 4 This is a schematic diagram of the structure of this utility model when it is tilted;

[0019] Figure 5 This is a sectional view of the structure of this utility model after it is installed on the wellhead;

[0020] Figure 6 This is a partial cross-sectional view of the structure of this utility model;

[0021] Figure 7 for Figure 6 Enlarged structural diagram at point B;

[0022] Figure 8 This is a schematic diagram of the bottom structure of this utility model;

[0023] Figure 9 for Figure 8Amplification structure schematic view at C.

[0024] In the figure: 1, the guard board; 2, the placing groove; 3, the positioning clamping groove; 4, the positioning clamping plate; 5, the moving groove; 6, the limiting plate; 7, the positioning spring; 8, the fixed groove; 9, the moving screw; 10, the traction plate; 11, the limiting clamping plate; 12, the pull plate; 13, the positioning bearing; 14, the scale plate; 15, the installation groove; 16, the first bearing; 17, the positioning rod; 18, the auxiliary wheel; 19, the wave plate; 20, the guide groove; 21, the guide rod; 22, the limiting groove; 23, the sliding plate; 101, the petroleum wellhead. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only use to explain the embodiment of the utility model, and not for limiting the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor, belong to the scope of the protection of the utility model.

[0026] Embodiment one: please refer to Figures 1-9 The utility model provides a kind of technical scheme: a protective device for petroleum drilling and production equipment, comprising: guard board 1, the placing groove 2 is set in the end surface of the guard board 1, positioning clamping groove 3 is set in the side surface of guard board 1, positioning clamping plate 4 is set in the other side surface of guard board 1, moving groove 5 is set in the end surface of positioning clamping plate 4, limiting plate 6 and positioning spring 7 are set in moving groove 5, fixed groove 8 is set in the bottom of guard board 1;Moving screw 9, traction plate 10 is screw-connected on the surface of moving screw 9, limiting clamping plate 11 is set on the surface of traction plate 10;

[0027] Firstly multiple groups of guard board 1 can be spliced and fixed, then the spliced guard board 1 is covered and protected to petroleum wellhead using limiting clamping plate 11, then petroleum pipeline can be inserted into the positioning hole formed after splicing multiple groups of guard board 1 and work, the setting of limiting clamping plate 11 can avoid the problem that guard board 1 deviates, when needing to take out guard board 1, multiple groups of guard board 1 can be disassembled, only single guard board 1 needs to be carried, so as to reduce the weight of the whole protective device and facilitate the carrying of staff.

[0028] In order to conveniently cover the smaller oil well mouth 101, the limiting clamping plate 11 is arranged on the basis of example one, the traction plate 10 is slidably connected with the fixed groove 8, the limiting clamping plate 11 is fixedly connected with the surface of the traction plate 10, and the limiting clamping plate 11 is inserted into the oil well mouth 101;

[0029] In use, the movable screw rod 9 can be rotated in cooperation with the positioning bearing 13, so that the traction plate 10 can be displaced in the fixed groove 8, the displacement of the traction plate 10 can drive the displacement of the limiting clamping plate 11, the displacement of each group of traction plates 10 can be conveniently made the same through the arrangement of the scale plate 14, and finally the limiting clamping plate 11 can be conveniently inserted into the smaller oil well mouth 101 through adjustment, and then the oil well mouth 101 can be covered and protected by the protective plate 1.

[0030] In order to conveniently splice multiple protective plates 1, the positioning clamping plate 4 and the positioning clamping groove 3 are arranged on the basis of example two, the mounting groove 15 is arranged on the side surface of the positioning clamping groove 3, the positioning clamping plate 4 is inserted into the positioning clamping groove 3, one end of the positioning spring 7 is fixedly connected with the surface of the moving groove 5, the other end of the positioning spring 7 is fixedly connected with the bottom of the limiting plate 6, the positioning spring 7 is arranged in multiple groups, the multiple groups of positioning springs 7 are linearly arranged about the equidistant surface of the moving groove 5, and one end of the limiting plate 6 is inserted into the mounting groove 15.

[0031] In use, when multiple protective plates 1 need to be spliced with each other, first, the limiting plate 6 can be pressed down, then the positioning clamping plate 4 is inserted into the positioning clamping groove 3 arranged on the side surface of another protective plate 1, and then the limiting plate 6 is released, so that one end of the limiting plate 6 is inserted into the mounting groove 15 by the elastic force of the multiple groups of positioning springs 7, thereby avoiding the positioning clamping plate 4 from being separated from the positioning clamping groove 3, and then the above method is repeatedly used to splice and use the multiple protective plates 1.

[0032] In order to further improve the stability of the limiting plate 6, the guiding rod 21 is arranged, the wave plate 19 is arranged on the surface of the limiting plate 6, one end of the wave plate 19 is fixedly connected with the surface of the limiting plate 6, the other end of the wave plate 19 is fixedly connected with the surface of the moving groove 5, the guiding groove 20 is arranged on the end surface of the limiting plate 6, the guiding rod 21 is inserted into the guiding groove 20, the limiting groove 22 is arranged on the side surface of the moving groove 5, one end of the guiding rod 21 is inserted into the limiting groove 22, the sliding plate 23 is arranged on the end surface of the guiding rod 21, the first bearing 16 is arranged on the surface of the placing groove 2, the positioning rod 17 is fixedly connected with the inner ring surface of the first bearing 16, and the auxiliary wheel 18 is sleeved with the surface of the positioning rod 17.

[0033] When the limiting plate 6 is inserted into the installation slot 15, the slide plate 23 can be pushed to make one end of the guide rod 21 inserted into the limiting slot 22, so that the stability of the limiting plate 6 is further improved to avoid the displacement of the limiting plate 6, and then the multiple sets of auxiliary wheels 18 are matched with the first bearing 16 to reduce the friction between the oil pipeline and the end surface of the protective plate 1 during use.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A guard for use with oilfield drilling equipment, comprising: The utility model provides an improved protective plate, which has the advantages of convenient use, high safety and high efficiency. The utility model discloses a protective plate, which is characterized in that an end face of the protective plate (1) is provided with a placing groove (2), a side face of the protective plate (1) is provided with a positioning clamping groove (3), the other side face of the protective plate (1) is provided with a positioning clamping plate (4), an end face of the positioning clamping plate (4) is provided with a moving groove (5), the moving groove (5) is provided with a limiting plate (6) and a positioning spring (7) inside, and a bottom of the protective plate (1) is provided with a fixed groove (8).

2. A guard for oilfield drilling equipment according to claim 1, characterised in that: A moving screw (9) is arranged on the surface of the protective plate (1), and a traction plate (10) is screwed on the surface of the moving screw (9).

3. A guard for oilfield drilling equipment according to claim 1, characterised in that: The surface of the protective plate (1) is provided with a pull plate (12), an end face of the fixed groove (8) is provided with a positioning bearing (13), and one end of the moving screw (9) is fixedly connected to the inner ring surface of the positioning bearing (13).

4. A guard for oilfield drilling equipment according to claim 1, characterised in that: A scale plate (14) is arranged on the side face of the fixed groove (8), the traction plate (10) is in sliding connection with the fixed groove (8), the limiting clamping plate (11) is in the form of an arc-shaped plate, the limiting clamping plate (11) is fixedly connected to the surface of the traction plate (10), and the limiting clamping plate (11) is inserted into the oil well mouth (101).

5. A guard for oilfield drilling equipment according to claim 1, characterised in that: The side face of the positioning clamping groove (3) is provided with a mounting groove (15), and the positioning clamping plate (4) is inserted into the positioning clamping groove (3).

6. A guard for oilfield drilling equipment according to claim 1, characterized in that: The surface of the placing groove (2) is provided with a first bearing (16), the inner ring surface of the first bearing (16) is fixedly connected with a positioning rod (17), and the surface of the positioning rod (17) is sleeved with an auxiliary wheel (18).

7. A guard for oilfield drilling equipment according to claim 1, wherein: One end of the positioning spring (7) is fixedly connected to the surface of the moving groove (5), the other end of the positioning spring (7) is fixedly connected to the bottom of the limiting plate (6), the positioning spring (7) is provided with multiple groups, the multiple groups of positioning springs (7) are linearly arranged at equal distances on the surface of the moving groove (5), and one end of the limiting plate (6) is inserted into the mounting groove (15). The surface of the limiting plate (6) is provided with a wave-shaped plate (19), one end of the wave-shaped plate (19) is fixedly connected to the surface of the limiting plate (6), the other end of the wave-shaped plate (19) is fixedly connected to the surface of the moving groove (5), an end face of the limiting plate (6) is provided with a guide groove (20), a guide rod (21) is inserted into the guide groove (20), a limiting groove (22) is arranged on the side face of the moving groove (5), one end of the guide rod (21) is inserted into the limiting groove (22), and an end face of the guide rod (21) is provided with a sliding plate (23).