High-pressure pipeline pressure testing device for operation and maintenance of oil field

Abstract

The utility model discloses a high-pressure pipeline pressure testing device for oil field operation and maintenance, which comprises a base, a plurality of moving assemblies are arranged at the bottom of the base, a water storage tank is mounted on the outer wall of the top of each moving assembly, a pressure testing pump is mounted on one side of each water storage tank, and the water outlet end of each pressure testing pump is connected with a connecting pipe. A water pressure testing valve is arranged at the end, close to the pressure testing pump, of the connecting pipe, a connecting assembly is installed at the end, away from the pressure testing pump, of the connecting pipe and comprises a flange plate and a connecting cylinder, the flange plate is located at one end of the connecting pipe, the connecting cylinder is fixed to one side of the flange plate, and a threaded cylinder is in sliding fit with the outer wall of the connecting pipe; a plurality of sealing rings located on one side of the limiting protruding plate are fixed to the outer wall of the connecting pipe. According to the utility model, through the arrangement of the connecting assembly, the flange plate installed at one end of the connecting pipe can be rapidly replaced according to the specification of the to-be-tested pipeline, and the device can be conveniently in flange connection with to-be-tested pipelines of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure pipe pressure testing device technical field especially relates to a kind of high pressure pipe pressure testing device for oilfield operation and maintenance. BACKGROUND

[0002] High pressure pipe is a kind of pipe that can withstand pressure, uses this pipe to transport liquid, its variety is many, has steel pipe, copper pipe, stainless steel pipe and other etc.In the oilfield construction operation and maintenance stage, high pressure pipe needs to be pressure tested, to prevent the appearance of residual section inside high pressure pipe, to cause subsequent use to appear security risk.

[0003] Through the retrieval, the patent of China patent publication No.CN218956035U discloses a kind of oilfield high pressure pipe pressure testing device, including pressing mechanism and electric control mechanism, the pressing mechanism includes water tank and the water inlet line and water outlet line communicated with water tank, the water inlet line is sequentially connected with first electric control valve, water inlet branch, second electric control valve, electronic flowmeter and water pump along water flow direction, the water outlet line is sequentially connected with third electric control valve, water outlet branch and fourth electric control valve along water flow direction;The water outlet branch is sequentially connected with fifth electric control valve and high pressure plunger pump along water flow direction, the high pressure plunger pump is connected with first pressure relief branch and pressing branch.

[0004] The patent is opened and closed to different pipe by each electric control valve, cooperates water pump, high pressure plunger pump, can realize the operation of water tank water replenishment, water tank emptying and water supply pressure testing each process, and entire monitoring process adopts high degree of automation, in actual use, to be measured pipe and device are connected through flange, the high pressure pipe of oilfield exists multiple different specifications, flange and the pipe between device are usually fixed connection, not convenient to connect with multiple different specifications to be measured pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of high pressure pipe pressure testing device for oilfield operation and maintenance.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides an oilfield operation and maintenance with high pressure pipeline pressure testing device, including base, the bottom of base is provided with a plurality of mobile components, the outer wall of mobile component top is installed with the water storage tank, one side of water storage tank is installed with pressure testing pump, one end of water storage tank is provided with the water supply pipeline of detachable connection with outside water source, the water inlet end of pressure testing pump is communicated into water storage tank bottom, the water outlet end of pressure testing pump is connected with the connecting pipe, one end close to pressure testing pump of connecting pipe is provided with the hydraulic pressure testing valve, one end away from pressure testing pump of connecting pipe is installed with the connecting assembly, the connecting assembly includes flange and connecting cylinder, the flange is located one end of connecting pipe, the connecting cylinder is fixed to one side of flange, the connecting cylinder and connecting pipe outer wall slide fit, the outer wall of connecting pipe is fixed with the limiting lugboard for limiting the position of connecting cylinder, and one side of limiting lugboard is provided with the plug rod of limiting cooperation with connecting cylinder, the sealing gasket is arranged between the limiting lugboard and connecting cylinder, the outer wall of connecting pipe is slidably connected with the threaded cylinder, the inner wall of threaded cylinder is threadedly connected with the outer wall of connecting cylinder, the outer wall of connecting pipe is fixed with a plurality of sealing rings located on one side of limiting lugboard, a plurality of recesses are formed in the inner wall of connecting cylinder and aligned with the sealing rings.

[0008] As a further scheme of the utility model: the pressure detection assembly is arranged between the connecting assembly and the hydraulic pressure testing valve, the stable assembly is fixed on the outer wall of the top of the base through the supporting rod, and the stable assembly is located on one side of the connecting assembly.

[0009] As a further scheme of the utility model: the stable assembly includes a fixing frame and two V-shaped plates, the fixing frame is fixed to the top end of the supporting rod, the two V-shaped plates are oppositely arranged on the inner wall of the fixing frame, and the V-shaped plates are vertically limited and slidably connected with the inner wall of the fixing frame on both sides.

[0010] As a further scheme of the utility model: the V-shaped plates are fixed with elastic pads on the opposite inner walls, a threaded rod is rotatably connected to one end of the V-shaped plate, and the threaded rod is threadedly connected with the fixing frame.

[0011] As a further scheme of the utility model: the mobile component includes a connecting frame and a mobile wheel, the connecting frame is installed on the outer wall of the bottom of the base, the mobile wheel is rotatably connected to the inner wall of the connecting frame, and a fixing box is fixed to the outer wall on one side of the connecting frame.

[0012] As a further scheme of the utility model: a limiting spline is rotatably connected to the inner wall of the fixing box, the rotation shaft of the limiting spline is connected with the rotation shaft of the mobile wheel, a guide groove is arranged on the inner wall of the fixing box on one side of the limiting spline, a limiting block is slidably connected to the inner wall of the guide groove, and the limiting block is limited and matched with the limiting spline.

[0013] As a further scheme of the utility model: the limiting block one end is connected with spring, spring other end is connected with the guide groove inner wall, the guide groove inner wall is fixed with the electromagnet, the limiting spline one side outer wall is fixed with the magnet opposite to the electromagnet.

[0014] Compared with the prior art, the utility model provides a kind of high pressure pipeline pressure test device for oilfield operation and maintenance, with following beneficial effects:

[0015] 1. The utility model discloses a connecting assembly, which can quickly replace the flange plate installed at one end of the connecting pipe according to the specification of the pipeline to be measured, facilitating the flange connection of the device with different specifications of the pipeline to be measured.

[0016] 2. The utility model discloses a stable assembly, which can fix the pipeline to be measured again after the pipeline to be measured is connected with the flange plate, improving the stability of the pipeline to be measured.

[0017] 3. The utility model discloses a moving assembly, which can limit the rotation of the moving wheel after the device is moved, so that the device can be easily moved and stably supported on the ground.

[0018] The parts not involved in the device are the same as or can be realized by the prior art. DRAWINGS

[0019] Figure 1 The utility model provides a kind of high pressure pipeline pressure test device for oilfield operation and maintenance whole structure schematic view;

[0020] Figure 2 The utility model provides a kind of high pressure pipeline pressure test device for oilfield operation and maintenance connecting assembly's internal structure schematic view;

[0021] Figure 3 The utility model provides a kind of high pressure pipeline pressure test device for oilfield operation and maintenance stable assembly's structure schematic view;

[0022] Figure 4 The utility model provides a kind of high pressure pipeline pressure test device for oilfield operation and maintenance moving assembly's structure schematic view.

[0023] In the drawing: 1, base;2, moving assembly;3, water storage tank;4, pressure test pump;5, connecting pipe;6, water pressure test valve;7, connecting assembly;8, flange plate;9, connecting barrel;10, sealing ring;11, limiting lug;12, sealing pad;13, threaded barrel;14, stable assembly;15, fixed frame;16, V-shaped plate;17, elastic pad;18, threaded rod;19, moving wheel;20, connecting frame;21, fixed box;22, guide groove;23, limiting spline;24, limiting block;25, electromagnet. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Example 1

[0027] A high-pressure pipeline pressure testing device for oilfield operation and maintenance, such as Figures 1 to 3 As shown, the system includes a base 1, with multiple movable components 2 at the bottom of the base 1. A water storage tank 3 is installed on the top outer wall of each movable component 2. A pressure testing pump 4 is installed on one side of the water storage tank 3. A water supply pipe that can be detachably connected to an external water source is provided at one end of the water storage tank 3. The inlet of the pressure testing pump 4 is connected to the bottom of the water storage tank 3. The outlet of the pressure testing pump 4 is connected to a connecting pipe 5. A water pressure testing valve 6 is provided at the end of the connecting pipe 5 near the pressure testing pump 4. A connecting component 7 is installed at the end of the connecting pipe 5 away from the pressure testing pump 4. A pressure detection component is provided between the connecting component 7 and the water pressure testing valve 6. A stabilizing component 14 is fixed to the top outer wall of the base 1 by a support rod. The stabilizing component 14 is located on one side of the connecting component 7.

[0028] The connecting assembly 7 includes a flange 8 and a connecting cylinder 9. The flange 8 is located at one end of the connecting pipe 5, and the connecting cylinder 9 is fixed to one side of the flange 8. The connecting cylinder 9 is slidably engaged with the outer wall of the connecting pipe 5. A limiting protrusion 11 for limiting the position of the connecting cylinder 9 is fixed to the outer wall of the connecting pipe 5, and a rod that limits the position of the connecting cylinder 9 is provided on one side of the limiting protrusion 11. A sealing gasket 12 is provided between the limiting protrusion 11 and the connecting cylinder 9. A threaded cylinder 13 is slidably engaged with the outer wall of the connecting pipe 5. The inner wall of the threaded cylinder 13 is threadedly engaged with the outer wall of the connecting cylinder 9. A plurality of sealing rings 10 located on one side of the limiting protrusion 11 are fixed to the outer wall of the connecting pipe 5. A plurality of grooves aligned with the sealing rings 10 are opened on the inner wall of the connecting cylinder 9.

[0029] The stabilizing assembly 14 comprises a fixing frame 15 fixed to the top end of the support rod and two V-shaped plates 16 oppositely arranged on the inner wall of the fixing frame 15, and the two sides of the V-shaped plate 16 are vertically limited and slidably connected with the inner wall of the fixing frame 15, the V-shaped plate 16 is fixed with an elastic pad 17 on the opposite inner wall, and the V-shaped plate 16 is rotatably connected with a threaded rod 18 at one end, and the threaded rod 18 is threadedly connected with the fixing frame 15.

[0030] During pressure test, the pipeline to be tested is passed between the two V-shaped plates 16, and then the flange plate 8 is connected with the flange of the pipeline to be tested through bolts, and then the threaded rod 18 is rotated to fix the pipeline to be tested by the two V-shaped plates 16, the water in the water storage tank 3 is input into the pipeline to be tested by the water pressure test pump 4, the pressure in the pipeline to be tested is changed by adjusting the water pressure test valve 6 according to the detection data of the pressure detection assembly, and the pressure change in the pipeline to be tested is detected by the pressure detection assembly to confirm whether the pipeline is abnormal, if the water in the water storage tank 3 is insufficient, water can be supplied to the water storage tank 3 through the water supply pipeline to avoid unstable water pressure due to insufficient water; since there are various specifications of the pipeline to be tested, the threaded cylinder 13 can be rotated before pressure test to separate the threaded cylinder 13 from the connecting cylinder 9, the flange plate 8 installed at one end of the connecting pipe 5 is removed, and the flange plate 8 corresponding to the specification is installed at one end of the connecting pipe 5, during installation, the sealing ring 10 is deformed by being pressed by the connecting cylinder 9 to seal the gap between the connecting cylinder 9 and the connecting pipe 5, and the limiting lug 11 is inserted into the connecting cylinder 9 to limit the connecting cylinder 9, and then the threaded cylinder 13 is rotated to threadedly combine the threaded cylinder 13 with the connecting cylinder 9 to fix the flange plate 8.

[0031] By setting the connecting assembly 7, the flange plate 8 installed at one end of the connecting pipe 5 can be quickly replaced according to the specification of the pipeline to be tested, which facilitates the flange connection of the device with the pipeline to be tested of different specifications.

[0032] By setting the stabilizing assembly 14, the pipeline to be tested can be fixed again after being connected with the flange plate 8, thereby improving the stability of the pipeline to be tested.

[0033] Embodiment 2

[0034] A high-pressure pipeline pressure test device for oilfield operation and maintenance, based on embodiment 1, the following improvements are made, such as Figure 4As shown, the mobile assembly 2 comprises a connecting frame 20 and a mobile wheel 19, the connecting frame 20 is installed on the bottom outer wall of the base 1, the mobile wheel 19 is rotatably connected to the inner wall of the connecting frame 20, the outer wall of one side of the connecting frame 20 is fixedly connected with a fixed box 21, the inner wall of the fixed box 21 is rotatably connected with a limiting spline 23, the rotation shaft of the limiting spline 23 is connected with the rotation shaft of the mobile wheel 19, the inner wall of the fixed box 21 is provided with a guide groove 22 located on one side of the limiting spline 23, the inner wall of the guide groove 22 is slidably connected with a limiting block 24, the limiting block 24 is limitedly connected with the limiting spline 23, one end of the limiting block 24 is connected with a spring, the other end of the spring is connected with the inner wall of the guide groove 22, the inner wall of the guide groove 22 is fixedly connected with an electromagnet 25, and the outer wall of one side of the limiting spline 23 is fixedly connected with a magnet opposite to the electromagnet 25.

[0035] When the device is moved, the electromagnet 25 is powered, the electromagnet 25 generates an attractive force with the magnet, the limiting block 24 is away from the limiting spline 23, and the spring is compressed and deformed, at this time the mobile wheel 19 can be rotated at will, after the device is moved to the specified position, the electromagnet 25 is powered off, the spring is stretched and deformed, the limiting block 24 is pushed to move along the guide groove 22 to the limiting spline 23, the limiting spline 23 is limited, at this time the mobile wheel 19 cannot be rotated, the movement of the device is limited, and the device can be stably supported on the ground.

[0036] By setting the mobile assembly 2, the rotation of the mobile wheel 19 can be limited after the device is moved, so that the device can be easily moved and stably supported on the ground.

[0037] Working principle: when testing, the pipeline to be tested is inserted between the two V-shaped plates 16, and then the flange plate 8 is connected with the flange of the pipeline to be tested through bolts, and then the threaded rod 18 is rotated to fix the pipeline to be tested by the two V-shaped plates 16, the water in the water storage tank 3 is input into the pipeline to be tested by the water pressure test pump 4, the pressure in the pipeline to be tested is changed by adjusting the water pressure test valve 6 according to the detection data of the pressure detection assembly, and the pressure detection assembly detects the pressure change in the pipeline to be tested to confirm whether the pipeline is abnormal, if the water in the water storage tank 3 is insufficient, water can be supplied to the water storage tank 3 through the water supply pipeline to avoid unstable water pressure due to insufficient water; since there are various specifications of the pipeline to be tested, the threaded cylinder 13 can be rotated before pressure test to separate the threaded cylinder 13 from the connecting cylinder 9, the flange plate 8 installed at one end of the connecting pipe 5 is removed, and the corresponding specification flange plate 8 is installed at one end of the connecting pipe 5, in the installation process, the sealing ring 10 is deformed by being extruded by the connecting cylinder 9, the gap between the connecting cylinder 9 and the connecting pipe 5 is sealed, and the limiting lug 11 is inserted into the connecting cylinder 9 to limit the connecting cylinder 9, then the threaded cylinder 13 is rotated to screw the threaded cylinder 13 with the connecting cylinder 9, and the flange plate 8 is fixed; when moving the device, the electromagnet 25 is electrified, the electromagnet 25 and the magnet generate an attractive force, the limiting block 24 is away from the limiting spline 23, and the spring is compressed and deformed, at this time, the moving wheel 19 can be rotated at will, after the device moves to the specified position, the electromagnet 25 is deenergized, the spring is stretched and deformed, the limiting block 24 is pushed along the guide groove 22 to the limiting spline 23, the limiting spline 23 is limited, at this time, the moving wheel 19 cannot be rotated, the movement of the device is limited, and the device can be stably supported on the ground.

[0038] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-pressure pipeline pressure testing device for oilfield operation and maintenance, comprising a base (1), characterized in that, The bottom of the base (1) is provided with a plurality of moving assemblies (2), the outer wall of the top of the moving assembly (2) is provided with a water storage tank (3), one side of the water storage tank (3) is provided with a pressure test pump (4), one end of the water storage tank (3) is provided with a water supply pipeline which is detachably connected with an external water source, the water inlet end of the pressure test pump (4) is communicated into the bottom of the water storage tank (3), the water outlet end of the pressure test pump (4) is connected with a connecting pipe (5), one end of the connecting pipe (5) close to the pressure test pump (4) is provided with a hydraulic pressure test valve (6), the other end of the connecting pipe (5) away from the pressure test pump (4) is provided with a connecting assembly (7), the connecting assembly (7) comprises a flange plate (8) and a connecting barrel (9), the flange plate (8) is located at one end of the connecting pipe (5), the connecting barrel (9) is fixed to one side of the flange plate (8), the connecting barrel (9) is in sliding fit with the outer wall of the connecting pipe (5), the outer wall of the connecting pipe (5) is fixed with a limiting lug (11) for limiting the position of the connecting barrel (9), one side of the limiting lug (11) is provided with a plug rod which is in limiting fit with the connecting barrel (9), a sealing gasket (12) is arranged between the limiting lug (11) and the connecting barrel (9), the outer wall of the connecting pipe (5) is in sliding fit with a threaded barrel (13), the inner wall of the threaded barrel (13) is in threaded fit with the outer wall of the connecting barrel (9), the outer wall of the connecting pipe (5) is fixed with a plurality of sealing rings (10) which are located at one side of the limiting lug (11), the inner wall of the connecting barrel (9) is provided with a plurality of grooves which are in alignment with the sealing rings (10).

2. The high-pressure pipeline pressure testing device for oilfield operation and maintenance according to claim 1, characterized in that, The connecting assembly (7) and the hydraulic pressure test valve (6) are provided with a pressure detection assembly, the outer wall of the top of the base (1) is fixed with a stabilizing assembly (14) through a support rod, and the stabilizing assembly (14) is located at one side of the connecting assembly (7).

3. The high-pressure pipeline pressure testing device for oilfield operation and maintenance according to claim 2, characterized in that, The stabilizing assembly (14) comprises a fixing frame (15) and two V-shaped plates (16), the fixing frame (15) is fixed to the top end of the support rod, the two V-shaped plates (16) are oppositely arranged on the inner wall of the fixing frame (15), and the V-shaped plates (16) are in vertical limiting sliding fit with the inner wall of the fixing frame (15) on both sides.

4. The high-pressure pipeline pressure testing device for oilfield operation and maintenance according to claim 3, characterized in that, The opposite inner walls of the V-shaped plates (16) are fixed with elastic pads (17), one end of the V-shaped plate (16) is rotatably connected with a threaded rod (18), and the threaded rod (18) is in threaded fit with the fixing frame (15).

5. The high-pressure pipeline pressure testing device for oilfield operation and maintenance according to claim 1, characterized in that, The moving assembly (2) comprises a connecting frame (20) and a moving wheel (19), the connecting frame (20) is arranged on the outer wall of the bottom of the base (1), the moving wheel (19) is rotatably connected to the inner wall of the connecting frame (20), and the outer wall of one side of the connecting frame (20) is fixed with a fixing box (21).

6. The high-pressure pipeline pressure testing device for oilfield operation and maintenance according to claim 5, characterized in that, The inner wall of the fixing box (21) is rotatably connected with a limiting spline (23), the rotation shaft of the limiting spline (23) is connected with the rotation shaft of the moving wheel (19), the inner wall of the fixing box (21) is provided with a guide groove (22) which is located at one side of the limiting spline (23), the inner wall of the guide groove (22) is in sliding fit with a limiting block (24), and the limiting block (24) is in limiting fit with the limiting spline (23).

7. The high-pressure pipeline pressure testing device for oilfield operation and maintenance according to claim 6, characterized in that, The limiting block (24) is connected with a spring at one end, and the other end of the spring is connected with the inner wall of the guide slot (22), the inner wall of the guide slot (22) is fixed with an electromagnet (25), and the one side of the limiting spline (23) is fixed with a magnet opposite to the electromagnet (25).

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