Gas leakage detection device for pipeline

Abstract

The utility model relates to a gas leakage detection device for a pipeline, which comprises a supporting seat, the side surface of the supporting seat is slidably connected with two detection rings which are oppositely arranged, one sides of the two detection rings which are close to each other are provided with arc-shaped holes, the two arc-shaped holes define a through hole for the pipeline to pass through, and a plurality of gas sensors are uniformly distributed on the inner walls of the arc-shaped holes. The supporting seat is provided with a driving mechanism used for driving the two detection rings to slide in the direction close to each other or away from each other, the supporting seat is provided with an alarm connected with the gas sensor, and the side, away from the detection rings, of the supporting seat is provided with a supporting rod; according to the utility model, on the basis that the detection rings do not need to rotate around the joint of the pipeline, the gas sensors on the two detection rings can carry out gas leakage detection, and when gas leakage occurs, the gas sensors can give an alarm through the alarm, so that time and labor are saved, the detection efficiency is improved, and the working intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of gas leakage detection devices for pipeline. BACKGROUND

[0002] Gas is the general term of gaseous fuel, and the transportation of gas is mainly carried out by pipeline formed by connecting multiple pipes with each other. However, the connection between two gas pipes is more likely to cause gas leakage. Once gas leakage occurs in the pipeline, it will cause serious safety hazards. Therefore, it is necessary to regularly detect gas leakage at the connection between two gas pipes.

[0003] The existing detection method for the connection of the pipeline is to rotate around the connection of the pipeline by hand-held detector by the staff. Since the pipeline for conveying gas has multiple pipe connections, this detection method is time-consuming and labor-intensive, with low detection efficiency and increased work intensity of the staff. UTILITY MODEL CONTENT

[0004] The utility model aims to design a gas leakage detection device for pipeline, which can solve the problems mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0006] A gas leakage detection device for pipeline, comprising a support seat, two detection rings are slidably connected to the side surface of the support seat in opposite arrangement, and an arc-shaped hole is arranged on the side of each detection ring close to each other. The two arc-shaped holes form a through hole for the pipeline to pass through, and a plurality of gas sensors are uniformly distributed on the inner wall of the arc-shaped hole. A driving mechanism is arranged on the support seat to drive the two detection rings to slide towards each other or away from each other. An alarm connected with the gas sensor is arranged on the support seat, and a support rod is arranged on the side of the support seat away from the detection ring.

[0007] Further, the opposite sides of the detection ring are each provided with a sliding groove, and two clamping plates are fixedly connected to the side surface of the support seat in opposite arrangement. The detection ring is located between the two clamping plates, and the side surface of the clamping plate is provided with a sliding rod in sliding cooperation with the sliding groove.

[0008] Further, the driving mechanism comprises a screw rod and a motor, the support base is provided with a sliding hole penetrating through, the detection ring is provided with a sliding block, the sliding block away from the detection ring extends into the sliding hole, the screw rod is rotationally connected in the sliding hole, the sliding block of one of the detection rings is provided with a right-handed thread hole threadedly connected with the screw rod, the sliding block of the other detection ring is provided with a left-handed thread hole threadedly connected with the screw rod, the motor is fixed on the support base, and one end of the screw rod is connected with the output end of the motor through the sliding hole.

[0009] Further, the support rod is provided with a switch button for controlling the motor.

[0010] Further, the inner wall of the arc-shaped hole is uniformly provided with a plurality of grooves, and the gas sensor is installed in the grooves.

[0011] Further, the end of the support rod close to the support base is detachably provided with a connecting seat, and the connecting seat is fixedly connected with the support base through a connecting rod.

[0012] Further, the connecting seat is provided with a threaded groove, and one end of the support rod is provided with an external thread threadedly connected with the threaded groove.

[0013] Further, the end of the support rod away from the support base is wrapped with a soft sleeve.

[0014] Further, the outer surface of the soft sleeve is provided with anti-skid lines.

[0015] The utility model discloses the beneficial effects are:

[0016] Through the driving mechanism and drive two detection rings to slide towards the direction of mutual separation, make two detection rings open, then place two detection rings respectively on the position of the pipeline opposite two sides, again through the driving mechanism and drive two detection rings to slide towards the direction of mutual approach, make two detection rings close, and the pipeline will be located in the through -hole surrounded by two detection rings, finally through the handheld support rod and drive detection ring to move along the length direction of the pipe, when detection ring moves to the connection of the pipeline, detection ring does not need to rotate on the basis of the connection of the pipeline, let two detection rings on the gas sensor can carry out gas leakage detection, when gas leakage occurs, the gas sensor will alarm through the alarm, save time and effort, improve the detection efficiency, and reduce the work intensity of staff. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 The structure diagram of the present application;

[0019] Figure 2 The explosion diagram of the connection relationship between the support seat and the support rod in the present application;

[0020] Figure 3 The cross-sectional view of the connection relationship between the support seat and the detection ring in the present application;

[0021] Figure 4 The explosion diagram of the connection relationship between the support seat and the detection ring in the present application;

[0022] Figure 5 The structure diagram of the two detection rings in the present application.

[0023] The names of the components marked in the figure are as follows:

[0024] 1, support seat; 2, detection ring; 3, arc-shaped hole; 4, gas sensor; 5, alarm; 6, support rod; 7, sliding groove; 8, clamping plate; 9, sliding rod; 10, sliding hole; 11, sliding block; 12, screw; 13, right-hand thread hole; 14, left-hand thread hole; 15, motor; 16, switch button; 17, groove; 18, connecting seat; 19, connecting rod; 20, threaded groove; 21, external thread; 22, soft sleeve. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined application purposes, the following will combine the drawings and the preferred embodiments to specifically describe the specific embodiments, structures, features and effects of the present application.

[0026] As Figures 1-5As shown, a kind of gas leakage detection device for pipeline, including support seat 1, the side of support seat 1 is connected with the two detection rings 2 of opposite arrangement, the opposite sides of detection ring 2 are equipped with sliding groove 7, the side of support seat 1 is fixedly connected with the two clamping plates 8 of opposite arrangement, detection ring 2 is located between the two clamping plates 8, the side of clamping plate 8 is fixedly connected with the sliding bar 9 of sliding fit with sliding groove 7, realize the sliding connection of two detection rings 2 with support seat 1, and through the cooperation of sliding groove 7 and sliding bar 9, the stability in the sliding process of detection ring 2 is improved;Support seat 1 is equipped with driving mechanism, driving mechanism includes screw 12 and motor 15, support seat 1 is equipped with the sliding hole 10 of penetration, detection ring 2 is fixedly connected with sliding block 11, the end of sliding block 11 away from detection ring 2 extends into sliding hole 10, screw 12 is rotatably connected in sliding hole 10, the sliding block 11 of one of detection ring 2 is equipped with right-hand thread hole 13 of screw thread connection with screw 12, the sliding block 11 of another detection ring 2 is equipped with left-hand thread hole 14 of screw thread connection with screw 12, motor 15 is fixed on support seat 1, one end of screw 12 passes through sliding hole 11 and is connected with the output end of motor 15, by motor 15 drives screw 12 to rotate, screw 12 will drive detection ring 2 to move, because two detection rings 12 are respectively right-hand thread hole 13 and left-hand thread hole 14 of screw thread connection with screw 12, make two detection rings 2 will slide towards each other or away from each other direction;

[0027] The side of two detection rings 2 away from each other is equipped with arc hole 3, two arc holes 3 enclose the through hole for pipeline to pass through, facilitate two detection rings 2 can surround pipeline and move along the length direction of pipe; The inner wall of arc hole 3 is evenly distributed with several grooves 17, the inside of groove 17 is installed with gas sensor 4, can avoid gas sensor 4 and pipeline contact, to avoid damaging gas sensor 4, and several gas sensors 4 are circumferentially distributed with the center of through hole, realize that detection ring does not need to rotate on the basis of the connection of pipeline, let gas sensor 4 can carry out gas leakage detection;Support seat 1 is fixedly installed with alarm 5 connected with gas sensor 4, for reminding staff gas leakage occurs;The side of support seat 1 away from detection ring 2 is equipped with connecting seat 18, connecting seat 18 is fixedly connected with support seat 1 through connecting rod 19, connecting seat 18 is detachably provided with support rod 6, the side of connecting seat 18 away from support seat 1 is equipped with threaded groove 20, one end of support rod 6 is equipped with external thread 21 of screw thread connection with threaded groove 20, can be disassembled and installed to support rod 6, facilitate detection device to store;The end of support rod 6 away from support seat 1 is wrapped with soft cover 22, play buffering effect, avoid staff to hold support rod 6 for a long time and cause hand pain;The outer surface of soft cover 22 is equipped with anti-skid line, increase friction, avoid hand slip.

[0028] Working principle:

[0029] like Figures 1-5 As shown, when the leakage detection device is in use, the clockwise start button of the switch button 16 is pressed, and the motor 15 drives the screw 12 to rotate clockwise, and the screw 12 will drive the detection ring 2 to move, so that the two detection rings 2 slide in the direction away from each other, so that the two detection rings 2 are opened, and then the two detection rings 2 are placed on the opposite sides of the pipeline respectively, and the counterclockwise start button of the switch button 16 is pressed, and the motor 15 drives the screw 12 to rotate counterclockwise, and the screw 12 will drive the detection ring 2 to move, so that the two detection rings 2 slide in the direction close to each other, so that the two detection rings 2 are closed, and the pipeline will be located in the through hole surrounded by the two detection rings 2. Finally, the detection ring 2 is driven to move along the length direction of the pipeline by holding the support rod 6. After the detection ring 2 moves to the connection of the pipeline, the gas sensors 4 on the two detection rings 2 will detect gas leaks at the connection of the pipeline. When gas leaks occur, the gas sensor 4 will alarm through the alarm 5.

[0030] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A gas leak detection device for a pipeline, characterized in that: The invention comprises a support base (1), wherein two detection rings (2) arranged opposite to each other are slidably connected to the side of the support base (1), an arc-shaped hole (3) is provided on the side of the two detection rings (2) close to each other, the two arc-shaped holes (3) form a through hole for a pipeline to pass through, a plurality of gas sensors (4) are evenly distributed on the inner wall of the arc-shaped hole (3), a driving mechanism for driving the two detection rings (2) to slide in a direction of approaching or moving away from each other is provided on the support base (1), an alarm (5) connected to the gas sensor (4) is provided on the support base (1), and a support rod (6) is provided on the side of the support base (1) away from the detection rings (2).

2. The gas leak detection device for pipeline according to claim 1, characterized in that: The detection ring (2) is provided with a slide groove (7) on both opposite sides, and the side of the support seat (1) is fixedly connected with two oppositely arranged clamping plates (8), the detection ring (2) is located between the two clamping plates (8), and the side of the clamping plate (8) is provided with a slide rod (9) that slidably cooperates with the slide groove (7).

3. The gas leak detection device for pipeline according to claim 1, characterized in that: The driving mechanism comprises a screw (12) and a motor (15); a penetrating sliding hole (10) is provided on the support seat (1); a slider (11) is provided on the detection ring (2); an end of the slider (11) away from the detection ring (2) extends into the sliding hole (10); the screw (12) is rotatably connected to the sliding hole (10); a slider (11) of one detection ring (2) is provided with a forward-rotating threaded hole (13) threadedly connected to the screw (12); a slider (11) of the other detection ring (2) is provided with a reverse-rotating threaded hole (14) threadedly connected to the screw (12); the motor (15) is fixed on the support seat (1); one end of the screw (12) passes through the sliding hole (10) and is connected to the output end of the motor (15).

4. The gas leak detection device for pipeline according to claim 3, characterized in that: A switch button (16) for controlling the motor (15) is provided on the support rod (6).

5. The gas leak detection device for pipeline according to claim 1, characterized in that: A plurality of grooves (17) are evenly distributed on the inner wall of the arc-shaped hole (3), and the gas sensor (4) is installed inside the groove (17).

6. The gas leak detection device for pipeline according to claim 1, characterized in that: A detachable connecting seat (18) is provided at one end of the support rod (6) close to the support seat (1), and the connecting seat (18) is fixedly connected to the support seat (1) via a connecting rod (19).

7. The gas leak detection device for pipeline according to claim 6, characterized in that: A thread groove (20) is provided on the connecting seat (18), and one end of the support rod (6) is provided with an external thread (21) threadably connected to the thread groove (20).

8. The gas leak detection device for pipeline according to claim 1, characterized in that: One end of the support rod (6) away from the support seat (1) is wrapped with a soft sleeve (22).

9. The gas leak detection device for pipeline according to claim 8, characterized in that: The outer surface of the soft cover (22) is provided with anti-skid patterns.

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