Leakage detection device for oil and gas pipeline

Abstract

The utility model discloses an oil-gas pipeline leakage detection device in the technical field of oil-gas pipeline leakage detection, which comprises a mounting plate, a sealing plate hinged to the bottom of the mounting plate, an insertion hole formed in the right side wall of the sealing plate, a fixing mechanism arranged on the right side wall of the mounting plate, a detection device arranged on the top of the mounting plate, and a positioning mechanism arranged in the mounting plate. The oil and gas pipeline can be placed in the mounting plate by using the sealing plate, the fixing mechanism and the insertion hole, and then the outer wall of the oil and gas pipeline can be positioned under the action of the positioning mechanism, so that a worker can conveniently drive the mounting plate to move in the oil and gas pipeline, and the detection device can more comprehensively detect the leakage of the oil and gas pipeline; the detection efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas pipeline leak detection technical field, concretely is a kind of oil and gas pipeline's leak detection device. BACKGROUND

[0002] Oil and gas pipeline is large-scale tubular facility specially used for transporting oil and natural gas, and is of great significance to energy security and economic development, and oil and gas pipeline refers to the trunk pipeline for transporting oil (natural gas) from its development area (oil and gas field) to oil and natural gas processing enterprises, railway, river and sea transportation loading (gas) points and pumping (sub-transmission) stations, or the trunk pipeline for transporting oil and natural gas from pumping stations, gas compression stations and gas distribution stations to urban consumption area oil depot and gas storage (tank).

[0003] Now oil and gas pipeline needs to be periodically detected, but most of the current detection utilizes artificial hand-held detection gun to detect oil and gas pipeline, and arm soreness condition is prone to occur, therefore, we propose a kind of oil and gas pipeline's leak detection device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of oil and gas pipeline's leak detection device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of oil and gas pipeline's leak detection device, including mounting plate, the bottom of the mounting plate is hingedly equipped with sealing plate, the right side wall of the sealing plate is equipped with the insertion hole, the right side wall of the mounting plate is equipped with fixed mechanism, the top of the mounting plate is equipped with detection device, the mounting plate is equipped with positioning mechanism.

[0006] Further, the positioning mechanism includes two groups of positioning plates provided in the mounting plate, threaded rods are provided in the left and right side walls of the mounting plate, one end of the two groups of threaded rods is connected with the side wall away from the two groups of positioning plates, and the other end of the two groups of threaded rods is equipped with rotating plate.

[0007] Further, two groups of limiting rods are movably provided in the left and right side walls of the mounting plate, and one end of the limiting rod is connected with the outer side wall of the mounting plate.

[0008] Further, the outer side wall of the positioning plate is equipped with isosceles trapezoidal slot, and the inner side wall of the positioning plate is equipped with multiple positioning wheels.

[0009] Further, the fixed mechanism includes a lead screw connected to the right side wall of the mounting plate through bearing one, one end of the lead screw is equipped with adjusting knob, and the outer wall of the lead screw is sleeved with an insertion plate matched with the insertion hole.

[0010] Further, a sliding rod is movably provided in the right side wall of the insertion plate, and one end of the sliding rod is connected with the outer side wall of the mounting plate.

[0011] Further, the mounting plate front side wall damping hinge is provided with four groups of auxiliary supporting rods, and one end of each of the four groups of auxiliary supporting rods is provided with an auxiliary wheel.

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

[0013] 1、The utility model discloses a sealing plate, a fixing mechanism and a jack can be placed in the mounting plate, then the positioning mechanism can be used to position the outer wall of the oil and gas pipeline, and the mounting plate can be moved along the oil and gas pipeline under the action of the positioning mechanism, so that the detection device can comprehensively detect the leakage of the oil and gas pipeline, and the detection efficiency is high.

[0014] 2、The utility model discloses an auxiliary supporting rod and an auxiliary wheel, which further improve the stability of the mounting plate moving on the outer wall of the oil and gas pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the utility model;

[0016] Figure 2 It is a structure right view of the utility model;

[0017] Figure 3 It is a structure schematic view of the utility model A.

[0018] In the drawing: 1, mounting plate; 2, sealing plate; 3, fixing mechanism; 30, plug-in plate; 31, adjusting knob; 32, sliding rod; 33, screw rod; 4, positioning mechanism; 40, rotating plate; 41, threaded rod; 42, limiting rod; 43, positioning plate; 44, positioning wheel; 5, detection device; 6, auxiliary supporting rod; 7, auxiliary wheel; 8, jack. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] Please refer to Figures 1-2 The utility model provides a kind of technical solutions: a leakage detection device of oil and gas pipeline, including mounting plate 1, mounting plate 1 bottom hinged sealing plate 2, sealing plate 2 right side wall is equipped with jack 8, mounting plate 1 right side wall is equipped with fixed mechanism 3, mounting plate 1 top is equipped with detection device 5, and mounting plate 1 is equipped with positioning mechanism 4.

[0022] Please refer to Figure 1 , the positioning mechanism 4 includes two sets of positioning plates 43 provided in the mounting plate 1, the left and right side walls of the mounting plate 1 are provided with threaded rods 41, one end of the two sets of threaded rods 41 is connected with the side walls away from the two sets of positioning plates 43, the other end of the two sets of threaded rods 41 is provided with a rotating plate 40, the left and right side walls of the mounting plate 1 are movably provided with two sets of limiting rods 42, one end of the limiting rod 42 is connected with the outer side wall of the mounting plate 1, and the positioning plate 43 moves more stably under the action of the limiting rod 42, the outer side wall of the positioning plate 43 is provided with an isosceles trapezoidal groove, which can match oil and gas pipelines of different sizes, and the inner side wall of the positioning plate 43 is provided with a plurality of positioning wheels 44, which can facilitate the staff to drive the mounting plate 1 to move on the outer wall of the oil and gas pipeline under the action of the positioning wheel 44.

[0023] Please refer to Figure 3 , the fixing mechanism 3 includes a lead screw 33 connected to the right side wall of the mounting plate 1 through a bearing, one end of the lead screw 33 is provided with an adjusting knob 31, the outer wall of the lead screw 33 is sleeved with a plug plate 30 matched with the jack 8, the right side wall of the plug plate 30 is movably provided with a sliding rod 32, one end of the sliding rod 32 is connected with the outer side wall of the mounting plate 1, and the plug plate 30 moves more stably on the outer wall of the lead screw 33 under the action of the sliding rod 32.

[0024] Please refer to Figure 2 , the front side wall of the mounting plate 1 is hingedly provided with four auxiliary supporting rods 6, one end of the four auxiliary supporting rods 6 is provided with an auxiliary wheel 7, the staff rotates the auxiliary supporting rod 6 to drive the auxiliary wheel 7 to contact the oil and gas pipeline, which can ensure the stability of the mounting plate 1 moving on the outer wall of the oil and gas pipeline.

[0025] Working principle: open the sealing plate 2, clamp the mounting plate 1 outside the oil and gas pipeline, then close the sealing plate 2, rotate the adjusting knob 31 to drive the lead screw 33 to rotate, the lead screw 33 drives the plug plate 30 to insert into the jack 8 under the action of the sliding rod 32, so that the sealing plate 2 can be fixed, the staff rotates the rotating plate 40 to drive the threaded rod 41 to rotate, the threaded rod 41 drives the positioning plate 43 to position the oil and gas pipeline under the action of the limiting rod 42, the staff can drive the mounting plate 1 to move on the outer wall of the oil and gas pipeline under the action of the positioning wheel 44, then the detection device can detect the leakage of the oil and gas pipeline, the staff rotates the auxiliary supporting rod 6 to drive the auxiliary wheel 7 to contact the oil and gas pipeline, which can ensure the stability of the mounting plate 1 moving on the outer wall of the oil and gas pipeline.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A leak detection device for oil and gas pipelines, comprising a mounting plate (1), characterized in that: The mounting plate (1) is hinged to a sealing plate (2) at the bottom. The sealing plate (2) has an insertion hole (8) on its right side wall. The mounting plate (1) has a fixing mechanism (3) on its right side wall. The mounting plate (1) has a detection device (5) on its top. The mounting plate (1) has a positioning mechanism (4) inside.

2. The leak detection device for oil and gas pipelines according to claim 1, characterized in that: The positioning mechanism (4) includes two sets of positioning plates (43) provided in the mounting plate (1). The left and right side walls of the mounting plate (1) are provided with threaded rods (41). One end of each set of threaded rods (41) is connected to the side wall away from the two sets of positioning plates (43). The other end of each set of threaded rods (41) is provided with a rotating plate (40).

3. The leak detection device for oil and gas pipelines according to claim 2, characterized in that: The mounting plate (1) has two sets of limiting rods (42) that are movably connected through the left and right side walls. One end of the limiting rod (42) is connected to the outer side wall of the mounting plate (1).

4. The leak detection device for oil and gas pipelines according to claim 2, characterized in that: The outer wall of the positioning plate (43) is provided with an isosceles trapezoidal groove, and the inner wall of the positioning plate (43) is provided with multiple sets of positioning wheels (44).

5. The leak detection device for oil and gas pipelines according to claim 1, characterized in that: The fixing mechanism (3) includes a lead screw (33) connected to the right side wall of the mounting plate (1) via a bearing. One end of the lead screw (33) is provided with an adjustment knob (31), and the outer wall of the lead screw (33) is fitted with a plug plate (30) that matches the plug hole (8).

6. A leak detection device for oil and gas pipelines according to claim 5, characterized in that: A sliding rod (32) is movably provided through the right side wall of the insert plate (30), and one end of the sliding rod (32) is connected to the outer side wall of the mounting plate (1).

7. The leak detection device for oil and gas pipelines according to claim 1, characterized in that: The mounting plate (1) has four sets of auxiliary support rods (6) with damping hinges on the front side wall, and each of the four sets of auxiliary support rods (6) has an auxiliary wheel (7) at one end.

Images