CN113217825A - Natural gas line leakage testing device - Google Patents
Natural gas line leakage testing device Download PDFInfo
- Publication number
- CN113217825A CN113217825A CN202110457155.8A CN202110457155A CN113217825A CN 113217825 A CN113217825 A CN 113217825A CN 202110457155 A CN202110457155 A CN 202110457155A CN 113217825 A CN113217825 A CN 113217825A
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- China
- Prior art keywords
- block
- natural gas
- arc
- dragging trolley
- detection
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of leakage detection devices, in particular to a natural gas pipeline leakage detection device which comprises a dragging trolley, tires are arranged at four corners of the lower end of the dragging trolley, a remote control console is arranged at the upper end of the dragging trolley, detection mechanisms are arranged at two ends of the dragging trolley, a plurality of detection mechanisms are hinged to one side of two ends of the detection mechanisms at two ends, each detection mechanism comprises an arc-shaped plate, a natural gas detector is arranged in the middle of the upper end of each arc-shaped plate, a connecting block is arranged at the upper end of each natural gas detector, an alarm lamp is arranged at the upper end of each connecting block, a plurality of detection heads are arranged at the lower end of each arc-shaped plate, and each detection head is connected with the corresponding natural gas detector.
Description
Technical Field
The invention relates to the technical field of leakage detection devices, in particular to a natural gas pipeline leakage detection device.
Background
Pipeline transportation is the main mode of gas distribution, because many aspects such as the production manufacturing, installation construction, use, safety control of pipeline all probably make pipeline gas leak, and then influenced people's life and property safety. Therefore, the natural gas pipeline is required to be subjected to leakage detection, common detection is realized by manually using a machine for detecting gas, the detection is directly carried out along a path, and the detection method for the long pipeline is too time-wasting. The natural gas pipeline leakage testing device has the advantages that the machine is used for directly walking by the pipeline for detection, but the common road section of the pipeline is not provided with a flat road surface, the vehicle-mounted building is difficult, the accurate leakage position determination is difficult, and therefore the natural gas pipeline leakage testing device is provided.
Disclosure of Invention
The invention aims to solve the defects that the leakage testing device in the prior art wastes manpower and is difficult to accurately determine the leakage position when in use, and provides the natural gas pipeline leakage testing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a natural gas pipeline leakage testing device, comprising a dragging trolley, wherein tires are arranged at four corners of the lower end of the dragging trolley, a remote control console is arranged at the upper end of the dragging trolley, detection mechanisms are arranged at two ends of the dragging trolley, one side of two ends of each detection mechanism is hinged with a plurality of detection mechanisms, each detection mechanism comprises an arc-shaped plate, a hot gas detector is arranged in the middle of the upper end of each arc-shaped plate, a connecting block is arranged at the upper end of each hot gas detector, an alarm lamp is arranged at the upper end of each connecting block, a plurality of detection heads are arranged at the lower end of each arc-shaped plate and connected with the hot gas detectors, a rotary circular truncated cone is rotatably arranged at two sides of each arc-shaped plate at the lowest end, a thread insertion rod is inserted into the side surface of the rotary circular truncated cone, a rotary block is arranged at the inner end of each thread insertion rod, one side of the rotary block extends out of the rotary circular truncated cone and is rotatably arranged in the rotary circular truncated cone, and the two sides of the other arc-shaped plate at the lowermost end are rotatably provided with rotating disks, rectangular strips are arranged on the rotating disks, one ends of the rectangular strips are provided with threaded jacks, and threaded insertion rods can be inserted into the threaded jacks.
Preferably, the middle part of the lower end of the arc-shaped plate is rotatably provided with a round block, and two sides of the lower end of the round block are provided with sliding wheels.
Preferably, the sponge strips are installed at the lower ends of the two arc sides of the arc plate.
Preferably, the supporting mechanism is installed at both ends of the dragging trolley and comprises a rectangular block, one side of the rectangular block is installed on the side face of the dragging trolley, a rotating ball is placed inside the rectangular block, one side of the rotating ball stretches out of the rectangular block and can rotate in the rectangular block, a connecting rod is installed on one side of the rotating ball, a connecting round block is installed at one end of the connecting rod in a rotating mode, a pressing bolt is installed on one side of the connecting round block and can press the inner end of the connecting rod to be fixed, a steering rod is installed on one side of the pressing bolt, and an arc-shaped pressing plate is welded on the side face of the connecting round block.
Preferably, a rotating handle is arranged at the upper end of the rectangular block, a compression bolt is also installed at the lower end of the rotating handle, the compression bolt is installed at the upper end of the rectangular block, and the compression bolt can compress the rotating ball.
Preferably, two sides of the dragging trolley are provided with barrier strips.
Preferably, the lower end of the dragging trolley is rotatably provided with a steering wheel, and the lower end of the steering wheel is provided with a tire.
Preferably, drag dolly one side mid-mounting and have a vibration mechanism, vibration mechanism includes center block and elevator, the bar groove has been seted up to center block side, the vertical rotatory lift threaded rod of installing of bar inslot portion, the center block upper end is installed and is turned to the handle, it is coaxial with lift threaded rod to turn to the handle lower extreme, elevator one side is stretched into the bar groove and is run through by lift threaded rod screw thread, the expansion plate is installed down to elevator opposite side lower extreme, expansion plate lower extreme one side is rotatory to be installed rotatory tire down, the band pulley is installed to expansion plate lower extreme opposite side down, the band pulley is coaxial with rotatory tire, the rectangular channel has been seted up to the elevator opposite side, rectangular channel internally mounted has electric motor, electric motor one side output shaft also installs the band pulley, two the outside cover of band pulley is equipped with the belt.
The natural gas pipeline leakage testing device provided by the invention has the beneficial effects that: this natural gas line leakage testing device is through detaining detection mechanism on the pipeline, uses and drags the dolly and drive for detection mechanism travels along the pipeline, makes detection mechanism advance pipeline side, regularly reports to the police when the emergence is revealed, and the position of revealing of accurate definite length pipeline is convenient for people and maintains.
Drawings
Fig. 1 is a schematic structural diagram of a natural gas pipeline leakage testing device provided by the invention.
Fig. 2 is a schematic structural diagram of a detection mechanism of the natural gas pipeline leakage testing device provided by the invention.
Fig. 3 is a schematic structural diagram of a threaded insert rod of the natural gas pipeline leakage testing device provided by the invention.
Fig. 4 is a schematic structural diagram of a supporting mechanism of a natural gas pipeline leakage testing device according to the present invention.
Fig. 5 is a schematic structural diagram of the lower end of a dragging trolley of the natural gas pipeline leakage testing device provided by the invention.
Fig. 6 is a schematic structural diagram of a vibration mechanism of the natural gas pipeline leakage testing device provided by the invention.
In the figure: the device comprises a remote control console 1, a dragging trolley 2, a supporting mechanism 3, a vibrating mechanism 4, a detecting mechanism 5, an alarm lamp 6, a connecting block 7, a natural hot air detector 8, an arc-shaped plate 9, a detecting head 10, a round block 11, a sliding wheel 12, a sponge strip 13, a threaded insertion rod 14, a rotating block 15, a rotating round table 16, a rotating disc 17, a threaded insertion hole 18, a rectangular strip 19, a steering wheel 20, a tire 21, a blocking strip 22, a rotating handle 23, a rectangular block 24, a rotating ball 25, a pressing bolt 26, a connecting rod 27, a connecting round block 28, a steering rod 29, an arc-shaped pressing plate 30, a lifting block 31, a lower expanding plate 32, a belt wheel 33, a belt 34, a rotating tire 35, a rectangular groove 36, an electric motor 37, a strip-shaped groove 38, a center block 39, a lifting threaded rod 40 and a steering handle 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-6, a natural gas pipeline leakage testing device comprises a dragging trolley 2, tires 21 are arranged at four corners of the lower end of the dragging trolley 2, a remote control console 1 is arranged at the upper end of the dragging trolley 2, the remote control console 1 has functions of positioning the position of the dragging trolley and sensing the stopping trolley, detection mechanisms 5 are arranged at two ends of the dragging trolley 2, a plurality of detection mechanisms 5 are hinged at one side of two ends of the detection mechanisms 5, each detection mechanism 5 comprises an arc-shaped plate 9, a natural gas detector 8 is arranged in the middle of the upper end of each arc-shaped plate 9, a connecting block 7 is arranged at the upper end of each natural gas detector 8, an alarm lamp 6 is arranged at the upper end of each connecting block 7, a plurality of detection heads 10 are arranged at the lower end of each arc-shaped plate 9, the detection heads 10 are connected with the natural gas detectors 8, a rotary circular truncated cone 16 is rotatably arranged at two sides of one arc-shaped plate 9 at the lowest end, and a thread insertion rod 14 is inserted in the side surface of the rotary truncated cone 16, the inner end of the threaded inserted bar 14 is provided with a rotating block 15, one side of the rotating block 15 extends out of a rotating circular truncated cone 16 and is rotatably installed in the rotating circular truncated cone 16, two sides of the other arc-shaped plate 9 at the lowest end are rotatably provided with a rotating disc 17, a rectangular strip 19 is installed on the rotating disc 17, one end of the rectangular strip 19 is provided with a threaded jack 18, and the threaded inserted bar 14 can be inserted into the threaded jack 18.
During the use, will drag dolly 2 and put in the pipeline top, make detection mechanism 5 be located the pipeline side, rotatory piece 15, make inside screw thread inserted bar 14 rotatory screw thread jack 18 that inserts rectangle strip 19, make the whole cover of device on the pipeline, start and drag dolly 2, make and drag dolly 2 to advance along the pipeline, when the hole that day steam revealed is met to the position of certain detection mechanism 5, it detects day steam to detect head 10, make day steam detector 8 sense day steam, thereby make alarm lamp 6 report to the police, remote control platform 1 detects alarm sound, make and drag dolly 2 to stop, the user is according to the location on remote control platform 1, accurate the locating of seeking reveals the position and maintains, thereby the manpower has been saved, make things convenient for people's use.
Example 2
In the embodiment 1, the dragging trolley 2 drives the detection mechanism 5 to detect the leakage outside the pipeline, however, the detection mechanism 5 may rub against the pipeline in the advancing process, not only the abrasion outside the pipeline is accelerated, but also the dragging trolley 2 is difficult to advance, and the detection accuracy is reduced when the detection head 10 detects the externally blown natural gas due to the blowing of wind power, referring to fig. 1-6, as another preferred embodiment of the present invention, on the basis of the embodiment 1, a round block 11 is rotatably installed in the middle of the lower end of an arc plate 9, sliding wheels 12 are installed on both sides of the lower end of the round block 11, sponge strips 13 are installed on the lower ends of both arc sides of the arc plate 9, barrier strips 22 are installed on both sides of the dragging trolley 2, a steering wheel 20 is rotatably installed on the lower end of the dragging trolley 2, tires 21 are installed on the lower end of the steering wheel 20, the steering of the dragging trolley 2 is convenient, and the sliding wheels 12 of the detection mechanism 5, reduce the friction of detection mechanism 5 and pipeline to through setting up blend stop 22 and sponge strip 13, reduce external interference, improve and detect the precision.
Example 3
In embodiment 1, the dragging trolley 2 drives the detection mechanism 5 to detect leakage outside a pipeline, the pipeline surface is uneven, which may cause the phenomenon that the dragging trolley 2 moves obliquely and is clamped, and the detection head 10 of the detection mechanism 5 is difficult to detect leakage at the lower part and the lower connection part of the dragging trolley 2, which may cause the phenomenon of leakage detection, as another preferred embodiment of the present invention, on the basis of embodiment 1, both ends of the dragging trolley 2 are provided with the support mechanisms 3, each support mechanism 3 comprises a rectangular block 24, one side of each rectangular block 24 is installed with the side surface of the dragging trolley 2, a rotating ball 25 is placed inside each rectangular block 24, one side of each rotating ball 25 extends out of each rectangular block 24 and can rotate in each rectangular block 24, one side of each rotating ball 25 is provided with a connecting rod 27, one end of each connecting rod 27 is rotatably provided with a connecting round block 28, one side of each connecting round block 28 is provided with a pressing bolt 26, each pressing bolt 26 can press the inner end of each connecting rod 27 to be fixed, a steering rod 29 is installed on one side of the compression bolt 26, an arc-shaped pressing plate 30 is welded on the side face of the connecting round block 28, a rotating handle 23 is arranged at the upper end of the rectangular block 24, the compression bolt 26 is also installed at the lower end of the rotating handle 23, the compression bolt 26 is installed at the upper end of the rectangular block 24, and the compression bolt 26 can compress the rotating ball 25.
2 one side mid-mounting of dragging dolly has vibration mechanism 4, vibration mechanism 4 includes center block 39 and elevator 31, bar groove 38 has been seted up to center block 39 side, bar groove 38 is inside vertical rotatory the installing of lift threaded rod 40, center block 39 installs the upper end and turns to handle 41, it is coaxial with lift threaded rod 40 to turn to handle 41 lower extreme, elevator 31 one side stretches into bar groove 38 and is run through by lift threaded rod 40 screw thread, expander plate 32 down is installed to elevator 31 opposite side lower extreme, expander plate 32 lower extreme one side is rotatory the installing of rotatory tire 35 down, expander plate 32 lower extreme opposite side is installed band pulley 33 down, band pulley 33 is coaxial with rotatory tire 35, rectangular channel 36 has been seted up to elevator 31 opposite side, rectangular channel 36 internally mounted has electric motor 37, band pulley 33 is also installed to electric motor 37 one side output shaft, the outside cover of two band pulleys 33 is equipped with belt 34.
The arc-shaped pressing plate 30 of the supporting mechanism 3 is pressed on two sides of the pipeline and fixed by screwing the pressing bolt 26, so that the dragging trolley 2 is enabled to vertically advance, the belt wheel 33 rotates through forward and reverse rotation of the electric motor 37, the rotating tire 35 rotates forward and reverse, the device vibrates in the vertical pipeline surface, and the detection mechanism 5 can cover natural gas detection at the joint of the lower part of the dragging trolley 2 and the lower part detection mechanism 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The natural gas pipeline leakage testing device comprises a dragging trolley (2), tires (21) are installed at four corners of the lower end of the dragging trolley (2), a remote control console (1) is installed at the upper end of the dragging trolley (2), and is characterized in that detection mechanisms (5) are installed at two ends of the dragging trolley (2), a plurality of detection mechanisms (5) are hinged to one side of two ends of each detection mechanism (5), each detection mechanism (5) comprises an arc-shaped plate (9), a natural gas detector (8) is installed in the middle of the upper end of each arc-shaped plate (9), a connecting block (7) is installed at the upper end of each natural gas detector (8), an alarm lamp (6) is installed at the upper end of each connecting block (7), a plurality of detection heads (10) are installed at the lower end of each arc-shaped plate (9), each detection head (10) is connected with each natural gas detector (8), one of the lowest ends of the arc-shaped plates (9) is rotatably installed on two sides with a rotary circular truncated cone (16), rotatory round platform (16) side screw thread is inserted and is equipped with screw inserted bar (14), rotatory piece (15) are installed to screw inserted bar (14) inner, rotatory piece (15) one side stretch out rotatory round platform (16) and with rotatory round platform (16) internal rotation installation, another of lower extreme arc (9) both sides are rotatory installs rotary disk (17), install rectangle strip (19) on rotary disk (17), screw thread jack (18) have been seted up to rectangle strip (19) one end, screw inserted bar (14) can insert inside screw thread jack (18).
2. The natural gas pipeline leakage testing device according to claim 1, wherein a round block (11) is rotatably mounted in the middle of the lower end of the arc-shaped plate (9), and sliding wheels (12) are mounted on two sides of the lower end of the round block (11).
3. The natural gas pipeline leakage testing device according to claim 1, wherein the lower ends of the two arc sides of the arc-shaped plate (9) are provided with sponge strips (13).
4. The natural gas pipeline leakage inspection device according to claim 1, wherein the supporting mechanisms (3) are mounted at two ends of the dragging trolley (2), each supporting mechanism (3) comprises a rectangular block (24), one side of each rectangular block (24) is mounted on the side face of the dragging trolley (2), a rotating ball (25) is placed inside each rectangular block (24), one side of each rotating ball (25) extends out of each rectangular block (24) and can rotate in each rectangular block (24), a connecting rod (27) is mounted on one side of each rotating ball (25), a connecting round block (28) is rotatably mounted at one end of each connecting rod (27), a pressing bolt (26) is mounted on one side of each connecting round block (28), each pressing bolt (26) can press the inner end of each connecting rod (27) to be fixed, a steering rod (29) is mounted on one side of each pressing bolt (26), an arc-shaped pressing plate (30) is welded on the side face of the connecting round block (28).
5. The natural gas pipeline leakage inspection device according to claim 4, wherein a rotating handle (23) is arranged at the upper end of the rectangular block (24), a pressing bolt (26) is also arranged at the lower end of the rotating handle (23), the pressing bolt (26) is arranged at the upper end of the rectangular block (24), and the pressing bolt (26) can press the rotating ball (25).
6. The natural gas pipeline leakage inspection device according to claim 1, wherein barrier strips (22) are installed on two sides of the dragging trolley (2).
7. The natural gas pipeline leakage inspection device according to claim 1, wherein a steering wheel (20) is rotatably mounted at the lower end of the dragging trolley (2), and a tire (21) is mounted at the lower end of the steering wheel (20).
8. The natural gas pipeline leakage testing device according to claim 1, wherein a vibration mechanism (4) is installed in the middle of one side of the dragging trolley (2), the vibration mechanism (4) comprises a center block (39) and a lifting block (31), a strip-shaped groove (38) is formed in the side face of the center block (39), a lifting threaded rod (40) is vertically and rotatably installed in the strip-shaped groove (38), a steering handle (41) is installed at the upper end of the center block (39), the lower end of the steering handle (41) is coaxial with the lifting threaded rod (40), one side of the lifting block (31) extends into the strip-shaped groove (38) and is threaded through by the lifting threaded rod (40), a lower expanding plate (32) is installed at the lower end of the other side of the lifting block (31), a rotating tire (35) is rotatably installed at one side of the lower end of the lower expanding plate (32), a belt pulley (33) is installed at the other side of, band pulley (33) are coaxial with rotatory tire (35), rectangular channel (36) have been seted up to elevator block (31) opposite side, rectangular channel (36) internally mounted has electric motor (37), band pulley (33), two are also installed to electric motor (37) one side output shaft band pulley (33) outside cover is equipped with belt (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110457155.8A CN113217825A (en) | 2021-04-27 | 2021-04-27 | Natural gas line leakage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110457155.8A CN113217825A (en) | 2021-04-27 | 2021-04-27 | Natural gas line leakage testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113217825A true CN113217825A (en) | 2021-08-06 |
Family
ID=77089560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110457155.8A Withdrawn CN113217825A (en) | 2021-04-27 | 2021-04-27 | Natural gas line leakage testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857505A (en) * | 2022-04-01 | 2022-08-05 | 康敬沅 | Natural gas pipeline carries gas leakage detection device |
-
2021
- 2021-04-27 CN CN202110457155.8A patent/CN113217825A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857505A (en) * | 2022-04-01 | 2022-08-05 | 康敬沅 | Natural gas pipeline carries gas leakage detection device |
| CN114857505B (en) * | 2022-04-01 | 2023-10-03 | 康敬沅 | Natural gas pipeline conveying gas leakage detection device |
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Application publication date: 20210806 |