CN217402310U

CN217402310U - Safety protection device for detecting gas leakage of natural gas pipeline

Info

Publication number: CN217402310U
Application number: CN202220168728.5U
Authority: CN
Inventors: 李亚菲; 吴有更; 张巍威; 杨磊
Original assignee: Individual
Current assignee: Jiang Dongmei
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-09-09
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to the technical field of natural gas pipeline safety, and discloses a safety device for detecting gas leakage of a natural gas pipeline, which comprises a first protective shell and a second protective shell, wherein pipeline bodies are arranged inside the first protective shell and the second protective shell, both sides inside the first protective shell are in threaded connection with screw rods, one end of each screw rod is bolted with a twisting disc, the other end of each screw rod is connected with a first clamping plate in a rotating manner, the left side and the right side of both sides of an inner cavity of the second protective shell are both in bolted connection with a first spring, the other end of each first spring is in bolted connection with a second clamping plate, and bolts are in threaded connection with the front side and the rear side of both sides of the surfaces of the first protective shell and the second protective shell; the utility model discloses possess and to fix the protection to the pipeline of difference, still conveniently carry out real-time detection's advantage, solved safety device can only single detect the use to a pipeline, and reduced the problem of suitability.

Description

Safety protection device for detecting gas leakage of natural gas pipeline

Technical Field

The utility model relates to a natural gas line safety technical field specifically is a detect safety device of natural gas line gas leakage.

Background

Pipeline transportation is a transportation mode for long-distance transportation of liquid and gas materials by using pipelines as transportation tools, is a transportation mode for specially transporting petroleum, natural gas and chemical products from a production place to a market, is a special component part of trunk transportation in a unified transportation network, and has unique advantages in natural gas transportation, namely that the pipeline transportation is smooth and uninterrupted, but the pipeline has the possibility of leakage in the transportation process.

Through retrieval, as chinese patent document discloses a safety device that detects natural gas line gas leakage [ application No.: CN 202020431948.3; publication No.: CN211902395U ]. This kind of safety device who detects natural gas line gas leakage, including last guard shield, its characterized in that: the lower part of the upper shield is butted with a lower shield; the left end face and the right end face of the upper shield and the lower shield are fixedly connected with a contracted pipe in an integrated mode, and the inner wall of the contracted pipe is fixedly connected with a silica gel pad; the left end parts of the upper shield and the lower shield are movably hinged through a return spring shaft; and the middle position of the upper part of the outer wall of the upper shield is vertically and fixedly communicated with a transparent round pipe.

The existing natural gas conveying pipeline is mostly welded together through a plurality of pipelines, safety protection is not convenient to carry out on the pipeline, leakage easily occurs at the welding position of two adjacent pipelines, real-time detection is not convenient to carry out on the pipeline, and potential safety hazards easily exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect safety device of natural gas line gas leakage possesses and to fix the protection to the pipeline of difference, still conveniently carries out real-time detection's advantage, has solved safety device and can only single detect the use to a pipeline, and has reduced the problem of suitability.

In order to achieve the above purpose, the utility model provides a following technical scheme: a safety protection device for detecting gas leakage of a natural gas pipeline comprises a first protection shell and a second protection shell, the first protective shell and the second protective shell are internally provided with pipeline bodies, both sides of the interior of the first protective shell are in threaded connection with screw rods, one end of the screw is bolted with a twisting disc, the other end of the screw is rotationally connected with a first clamping plate, the left and right sides of the two sides of the inner cavity of the second protective shell are respectively bolted with a first spring, the other end of the first spring is in bolted connection with a second clamping plate, bolts are respectively connected with the front and the back of the two sides of the surfaces of the first protective shell and the second protective shell in a threaded manner, a connecting rod is movably connected with the middle position of the top of the inner cavity of the first protective shell, an alarm lamp is fixedly arranged at one end of the connecting rod, a floating ball is arranged at the other end of the connecting rod, the surface welding of connecting rod has the limiting plate, the top of limiting plate is located the surface cover of connecting rod and is established and be connected with the second spring.

Preferably, the front and back of the surface of the second protective shell are hinged with clamping plates, the surface of the other end of each clamping plate is provided with a limiting hole, the front and back of the surface of the first protective shell are fixedly connected with limiting blocks, the limiting blocks are in threaded connection with limiting pins, and the limiting pins and the limiting holes are matched for use.

Preferably, telescopic rods are fixedly mounted on two sides of the top of the first clamping plate, and the other ends of the telescopic rods are bolted to the inner wall of the first protective shell.

Preferably, the sensor is fixedly mounted on the right side of the top of the limiting plate, the receiver is fixedly mounted on the inner wall of the first protective shell, and the receiver and the sensor are matched for use.

Preferably, a sealing ring is arranged between the two ends of the first protective shell and the second protective shell, and the sealing ring is sleeved on the surface of the pipeline body.

Preferably, the opposite sides of the first clamping plate and the second clamping plate are provided with soft pads, and the soft pads are made of rubber materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a setting of bolt, can fix between first protecting crust and the second protecting crust, drive the rotation of screw rod through turning round the dish simultaneously, it is fixed to make the screw rod drive first grip block and laminate to the pipeline body downwards, and the elasticity application of force to the second grip block through first spring, it is fixed to make the second grip block not only can carry out the centre gripping to the pipeline, and still conveniently carry out buffer protection to the pipeline, utilize the ascending application of force of floater ball simultaneously, make the second spring extruded, thereby the alarm lamp is by jack-up scintillation, can report to the police the warning to the staff, the staff of being convenient for in time maintains the pipeline and detects, avoid having safe hidden danger, it can only single detect the use to a pipeline to have solved present safety device, and the problem of suitability has been reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 3 is a front view of the cross-sectional structure of the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at a in fig. 3 according to the present invention.

In the figure: 1. a first protective shell; 2. a second protective shell; 3. a screw; 4. twisting the disc; 5. a first clamping plate; 6. a telescopic rod; 7. a first spring; 8. a second clamping plate; 9. a connecting rod; 10. floating the ball; 11. a limiting plate; 12. a second spring; 13. an alarm lamp; 14. a sensor; 15. a receiver; 16. clamping a plate; 17. a limiting hole; 18. a limiting block; 19. a spacing pin; 20. a seal ring; 21. a bolt; 22. a pipe body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a safety protection device for detecting gas leakage of a natural gas pipeline comprises a first protection shell 1 and a second protection shell 2, wherein a pipeline body 22 is arranged inside the first protection shell 1 and the second protection shell 2, two sides inside the first protection shell 1 are in threaded connection with a screw rod 3, one end of the screw rod 3 is in bolted connection with a twisting disc 4, the other end of the screw rod 3 is in rotational connection with a first clamping plate 5, the left side and the right side of the inner cavity of the second protection shell 2 are in bolted connection with a first spring 7, the other end of the first spring 7 is in bolted connection with a second clamping plate 8, the first clamping plate 5 and the second clamping plate 8 are arranged in an arc shape, the design facilitates the attachment and fixation of the pipeline body 22 and enhances the stability during protection, bolts 21 are in threaded connection with the front side and the rear side of two sides of the surfaces of the first protection shell 1 and the second protection shell 2, a connecting rod 9 is movably connected with the middle position of the top of the inner cavity of the first protection shell 1, an alarm lamp 13 is fixedly installed at one end of the connecting rod 9, a floating ball 10 is arranged at the other end of the connecting rod 9, a limiting plate 11 is welded on the surface of the connecting rod 9, a second spring 12 is sleeved and connected above the limiting plate 11 and on the surface of the connecting rod 9, the first protective shell 1 and the second protective shell 2 can be fixed through a bolt 21, meanwhile, the screw 3 is driven to rotate through the twisting disc 4, the screw 3 drives the first clamping plate 5 to downwards attach and fix the pipeline body 22, elastic force is applied to the second clamping plate 8 through the first spring 7, the second clamping plate 8 can clamp and fix the pipeline and also conveniently buffer and protect the pipeline, meanwhile, the upward force application of the floating ball 10 is utilized, the second spring 12 is extruded, so that the alarm lamp 13 is jacked up to flash, and can alarm and remind workers, the pipeline is convenient for the staff in time to maintain and detect, avoids having the potential safety hazard, has solved present safety device and can only be single detect the use to a pipeline, and has reduced the problem of suitability.

Example 2

Compared with the embodiment 1, on the basis of the embodiment 1,

please refer to fig. 1 and fig. 2, the front and back of the surface of the second protective shell 2 are hinged with a clamping plate 16, the other end surface of the clamping plate 16 is provided with a limit hole 17, the front and back of the surface of the first protective shell 1 are fixedly connected with limit blocks 18, the internal thread of the limit blocks 18 is connected with limit pins 19, and the limit pins 19 and the limit holes 17 are used in a matched manner, through the clamping plate 16, the limit holes 17, the limit blocks 18 and the limit pins 19, the worker can rotate the clamping plate 16, and insert the other end of the clamping plate 16 into the limit blocks 18, so that the limit pins 19 can fix the clamping plate, and the first protective shell 1 and the second protective shell 2 can be fixed for the second time conveniently, and the stability of the clamping plate is enhanced.

Please refer to fig. 3, both sides of the top of the first clamping plate 5 are fixedly provided with a telescopic rod 6, the other end of the telescopic rod 6 is bolted to the inner wall of the first protective shell 1, and the telescopic rod 6 is arranged to assist the first clamping plate 5 to be limited, so as to facilitate the movement of the first clamping plate up and down and avoid the rotation of the first clamping plate.

Example 3

Compared with the embodiment 2, on the basis of the embodiment 2,

referring to fig. 3 and 4, a sensor 14 is fixedly installed on the right side of the top of the limiting plate 11, a receiver 15 is fixedly installed on the inner wall of the first protective shell 1, and the receiver 15 and the sensor 14 are used in a matched manner, so that the alarm lamp 13 can automatically give an alarm when the sensor 14 is in contact with the receiver 15 through the arrangement of the sensor 14 and the receiver 15.

Referring to fig. 3, the sealing rings 20 are disposed between the two ends of the first protective shell 1 and the second protective shell 2, and the sealing rings 20 are connected to the surface of the pipe body 22 in a sleeved manner, so that the first protective shell 1 and the second protective shell 2 can be sealed by the sealing rings 20, and the gas is prevented from leaking and then floating outside, which is prone to potential safety hazards.

Referring to fig. 2, the opposite sides of the first clamping plate 5 and the second clamping plate 8 are provided with soft pads made of rubber, so that the clamped pipes can be protected and prevented from being worn.

The working principle is as follows: when in use, the first protective shell 1 and the second protective shell 2 can be placed on the surface of the pipeline joint and fixed through the bolts 21, in order to enhance the stability of the fixing process, the card 16 may be rotated such that the other end of the card 16 is inserted into the interior of the stopper 18, then the clamping plate 16 and the limiting block 18 are fixed through the limiting pin 19, then the twisting disc 4 can be rotated, the twisting disc 4 drives the first clamping plate 5 to move downwards through the screw rod 3, so that the first clamping plate 5 is attached and fixed to the pipeline body 22, if gas leaks, air pressure is generated inside the first protective shell 1 and the second protective shell 2, and then the floating body is pushed upwards by applying force, and drive connecting rod 9 and limiting plate 11 and remove together for sensor 14 contacts with receiver 15, and at this moment alarm lamp 13 then lights, and the accessible staff maintains finally.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detect safety device of natural gas line gas leakage, includes first protecting crust (1) and second protecting crust (2), its characterized in that: the pipeline body (22) is arranged inside the first protective shell (1) and the second protective shell (2), both sides inside the first protective shell (1) are all in threaded connection with a screw rod (3), one end of the screw rod (3) is bolted with a twisting disc (4), the other end of the screw rod (3) is rotatably connected with a first clamping plate (5), the left side and the right side of both sides of an inner cavity of the second protective shell (2) are both in bolted connection with a first spring (7), the other end of the first spring (7) is in bolted connection with a second clamping plate (8), the front side and the rear side of both sides of the surfaces of the first protective shell (1) and the second protective shell (2) are both in threaded connection with bolts (21), a connecting rod (9) is movably connected at the middle position of the top of the inner cavity of the first protective shell (1), an alarm lamp (13) is fixedly installed at one end of the connecting rod (9), and a floating ball (10) is arranged at the other end of the connecting rod (9), the surface welding of connecting rod (9) has limiting plate (11), the top of limiting plate (11) is located the surperficial cover of connecting rod (9) and is established and be connected with second spring (12).

2. The safety device for detecting gas leakage of a natural gas pipeline according to claim 1, wherein: clamping plates (16) are hinged to the front and the rear of the surface of the second protective shell (2), and limiting holes (17) are formed in the surface of the other end of each clamping plate (16).

3. The safety device for detecting gas leakage of a natural gas pipeline according to claim 1, wherein: the front and back fixedly connected with stopper (18) on first protecting crust (1) surface, the inside threaded connection of stopper (18) has spacer pin (19), and uses between spacer pin (19) and spacing hole (17) the cooperation.

4. The safety device for detecting gas leakage of a natural gas pipeline according to claim 1, wherein: the two sides of the top of the first clamping plate (5) are fixedly provided with telescopic rods (6), and the other ends of the telescopic rods (6) are bolted to the inner wall of the first protective shell (1).

5. The safety device for detecting gas leakage of a natural gas pipeline according to claim 1, wherein: the right side fixed mounting at limiting plate (11) top has sensor (14), the inner wall fixed mounting of first protecting crust (1) has receiver (15), and uses between receiver (15) and sensor (14) the cooperation.

6. The safety device for detecting gas leakage of a natural gas pipeline according to claim 1, wherein: all be provided with sealing washer (20) between the both ends of first protecting crust (1) and second protecting crust (2), and sealing washer (20) establishes with the surface cover of pipeline body (22) and is connected.

7. The safety device for detecting gas leakage of a natural gas pipeline according to claim 1, wherein: the opposite sides of the first clamping plate (5) and the second clamping plate (8) are provided with soft pads, and the soft pads are made of rubber materials.