CN211784112U - Retractable LDAR leakage detection device - Google Patents
Retractable LDAR leakage detection device Download PDFInfo
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- CN211784112U CN211784112U CN202020669471.2U CN202020669471U CN211784112U CN 211784112 U CN211784112 U CN 211784112U CN 202020669471 U CN202020669471 U CN 202020669471U CN 211784112 U CN211784112 U CN 211784112U
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- transmission box
- sampling
- screw rod
- ldar
- flame ionization
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Abstract
The utility model discloses a retractable LDAR leakage detection device, including hydrogen flame ionization detector, hydrogen flame ionization detector is linked together through oxygen supply pipe and oxygen cylinder, and hydrogen flame ionization detector is linked together through sampling tube and one end of sampling connecting piece, and the other end of sampling connecting piece is provided with the sampling probe, still includes the telescoping device, the telescoping device includes the transmission box, and the lower part of transmission box is provided with handheld handle, and one side of transmission box is rotatable to be provided with the gear shaft, and the one end that the gear shaft is located the transmission box inside is provided with first bevel gear, and the one end that the gear shaft is located the transmission box outside is provided with the carousel, and the outer fringe department of carousel is provided with the rocking handle; the upper part of the transmission box is fixedly connected with the mounting plate through two symmetrically arranged connecting rods, and a screw rod is rotatably arranged between the mounting plate and the transmission box. The utility model discloses leakage source to the eminence that can be convenient takes a sample, need not to scramble and the operation of ascending a height again, has reduced the potential safety hazard.
Description
Technical Field
The utility model relates to a LDAR leak testing technical field especially relates to a retractable LDAR leak testing device.
Background
LDAR technique leak detection and repair is through corresponding detection device, detects easy volatile organic compounds leakage department that produces such as chemical industry enterprise's all kinds of reation kettle, raw materials pipeline, pump, compressor, valve, flange to repair the leakage detection department that exceeds certain concentration, thereby reach the control raw materials and leak and cause the pollution to the environment.
Hydrogen Flame Ionization Detector (FID) is a common LDAR leakage detection device, the staff is close to the leakage source from the downwind through handheld sampling probe, the air at detection site passes through during the sampling pipe enters into the FID, when the air that contains VOCs passes through the FID, carbonaceous organic matter burns in hydrogen flame, produce chemical ionization, the positive ion that the reaction produced is collected on the negative electrode under the electric field effect, produce weak current, obtain the chromatographic signal after enlargeing, the structure of leakage concentration will show on the display screen of handheld sample thief or instrument panel this moment, thereby accomplish the leak detection.
During the field operation, some connecting valve, flange, pump or compressor are in higher position, but when the staff was handed the sampling probe and is taken a sample, owing to receive the restriction of health height, this leakage source sample difficulty that just makes the eminence, need climb sometimes and the operation of ascending a height, have certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a retractable LDAR leak detection device solves the technical problem who mentions in the above-mentioned background art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a retractable LDAR leak testing device, including hydrogen flame ionization detector, hydrogen flame ionization detector is linked together through oxygen supply pipe and oxygen cylinder, hydrogen flame ionization detector is linked together through sampling tube and one end of sample connection spare, the other end of sample connection spare is provided with the sampling probe, still includes the telescoping device, the telescoping device includes the transmission box, the lower part of transmission box is provided with handheld handle, one side rotatable of transmission box is provided with the gear shaft, the one end that the gear shaft is located inside the transmission box is provided with first bevel gear, the one end that the gear shaft is located outside the transmission box is provided with the carousel, the outer fringe department of carousel is provided with the rocking handle; the upper portion of the transmission box is fixedly connected with the mounting plate through two symmetrically arranged connecting rods, a screw rod is rotatably arranged between the mounting plate and the transmission box, the lower end of the screw rod extends into the transmission box and is provided with a second bevel gear matched with the first bevel gear, a moving block is arranged on the screw rod, a threaded hole matched with the screw rod is formed in the moving block, and a clamping groove matched with the outer edge of the sampling connecting piece is formed in one end of the moving block.
Furthermore, the axis of the screw rod is coincident with the symmetry axes of the two connecting rods, and two guide holes matched with the two connecting rods respectively are symmetrically formed in the moving block along the threaded hole.
Furthermore, a filtering membrane is arranged between the sampling connecting piece and the sampling probe.
Compared with the prior art, the utility model discloses a beneficial technological effect:
when leakage sources such as a connecting valve, a flange, a pump or a compressor and the like with higher positions need to be detected, an operator can clamp the sampling connecting piece in a clamping groove of the moving block, then one hand tightly holds the handheld handle, the other hand shakes the rocking handle, and the first bevel gear is meshed with the second bevel gear, so that the screw rod rotates. When the screw rod rotates, the movable block is in threaded connection with the screw rod through the threaded hole, so that the movable block drives the sampling connecting piece to do linear reciprocating motion along the screw rod, the lifting motion of the sampling probe is realized, a leakage source at a high position can be conveniently sampled, climbing and climbing operations are not needed, and potential safety hazards are reduced.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the moving block;
description of reference numerals: 1. a hydrogen flame ionization detector; 2. an oxygen supply tube; 3. an oxygen cylinder; 4. a sampling tube; 5. a sampling connector; 6. a sampling probe; 7. a transmission box; 8. a handle; 9. a gear shaft; 10. a first bevel gear; 11. a turntable; 12. a rocking handle; 13. a connecting rod; 14. mounting a plate; 15. a screw; 16. a second bevel gear; 17. a moving block; 18. a threaded hole; 19. a card slot; 20. a guide hole; 21. and (4) filtering the membrane.
Detailed Description
As shown in fig. 1-2, a retractable LDAR leakage detection device includes a hydrogen flame ionization detector 1, wherein the hydrogen flame ionization detector 1 is communicated with an oxygen cylinder 3 through an oxygen supply tube 2, the hydrogen flame ionization detector 1 is communicated with one end of a sampling connector 5 through a sampling tube 4, in this embodiment, the sampling tube 4 is a 5-8m flexible tube. A sampling probe 6 is installed at the other end of the sampling connecting piece 5, and a filtering membrane 21 is installed between the sampling connecting piece 5 and the sampling probe 6.
The utility model discloses still include the telescoping device, the telescoping device includes transmission box 7, the lower part fixed mounting of transmission box 7 has handheld handle 8, rotatable the installing gear shaft 9 in one side of transmission box 7, gear shaft 9 is located first bevel gear 10 is installed to the inside one end of transmission box 7, gear shaft 9 is located carousel 11 is installed to the outside one end of transmission box 7, first bevel gear 10 with carousel 11 all through the mode of key-type connection with gear shaft 9 fixed connection, rocking handle 12 is installed to the outer fringe department of carousel 11 to through rocking handle 12 realizes the rotation of the inside first bevel gear 10 of transmission box 7.
The upper portion of transmission box 7 is through two connecting rods 13 and the mounting panel 14 fixed connection that the symmetry set up, mounting panel 14 with rotatable screw rod 15 of installing between the transmission box 7. The lower end of the screw 15 extends into the interior of the transmission box 7 and is fitted with a second bevel gear 16 which is adapted to the first bevel gear 10. A moving block 17 is arranged on the screw rod 15, a threaded hole 18 matched with the screw rod 15 is formed in the moving block 17, and a clamping groove 19 matched with the outer edge of the sampling connecting piece 5 is formed in one end of the moving block 17.
In addition, the axis of the screw 15 coincides with the symmetry axis of the two connecting rods 13, and two guide holes 20 respectively matched with the two connecting rods 13 are symmetrically formed in the moving block 17 along the threaded hole 18.
When leakage sources such as a connecting valve, a flange, a pump or a compressor and the like with higher positions need to be detected, an operator can clamp the sampling connecting piece in a clamping groove of the moving block, then one hand tightly holds the handheld handle, the other hand shakes the rocking handle, and the first bevel gear is meshed with the second bevel gear, so that the screw rod rotates. When the screw rod rotates, the movable block is in threaded connection with the screw rod through the threaded hole, so that the movable block drives the sampling connecting piece to do linear reciprocating motion along the screw rod, the lifting motion of the sampling probe is realized, a leakage source at a high position can be conveniently sampled, climbing and climbing operations are not needed, and potential safety hazards are reduced.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (3)
1. The utility model provides a retractable LDAR leak testing device, includes hydrogen flame ionization detector (1), hydrogen flame ionization detector (1) is linked together through oxygen supply pipe (2) and oxygen cylinder (3), hydrogen flame ionization detector (1) is linked together through sampling tube (4) and the one end of sampling connection spare (5), the other end of sampling connection spare (5) is provided with sampling probe (6), its characterized in that: the telescopic device comprises a transmission box (7), a hand-held handle (8) is arranged at the lower part of the transmission box (7), a gear shaft (9) is rotatably arranged at one side of the transmission box (7), a first bevel gear (10) is arranged at one end, located inside the transmission box (7), of the gear shaft (9), a turntable (11) is arranged at one end, located outside the transmission box (7), of the gear shaft (9), and a rocking handle (12) is arranged at the outer edge of the turntable (11); the upper portion of the transmission box (7) is fixedly connected with a mounting plate (14) through two connecting rods (13) which are symmetrically arranged, a screw rod (15) is rotatably arranged between the mounting plate (14) and the transmission box (7), the lower end of the screw rod (15) extends into the transmission box (7) and is provided with a second bevel gear (16) matched with the first bevel gear (10), a moving block (17) is arranged on the screw rod (15), a threaded hole (18) matched with the screw rod (15) is formed in the moving block (17), and a clamping groove (19) matched with the outer edge of the sampling connecting piece (5) is formed in one end of the moving block (17).
2. The retractable LDAR leak detector as recited in claim 1, further comprising: the axis of the screw rod (15) is coincident with the symmetry axes of the two connecting rods (13), and two guide holes (20) which are respectively matched with the two connecting rods (13) are symmetrically formed in the moving block (17) along the threaded hole (18).
3. The retractable LDAR leak detector as recited in claim 1, further comprising: a filtering membrane (21) is arranged between the sampling connecting piece (5) and the sampling probe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669471.2U CN211784112U (en) | 2020-04-28 | 2020-04-28 | Retractable LDAR leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669471.2U CN211784112U (en) | 2020-04-28 | 2020-04-28 | Retractable LDAR leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211784112U true CN211784112U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020669471.2U Active CN211784112U (en) | 2020-04-28 | 2020-04-28 | Retractable LDAR leakage detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211784112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607946A (en) * | 2022-03-31 | 2022-06-10 | 安徽工程大学 | Leakage detection device for water delivery and distribution pipe network |
| CN116609227A (en) * | 2023-07-10 | 2023-08-18 | 广东电网有限责任公司珠海供电局 | Device and method for safely collecting carbon emission data of electric power system |
-
2020
- 2020-04-28 CN CN202020669471.2U patent/CN211784112U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607946A (en) * | 2022-03-31 | 2022-06-10 | 安徽工程大学 | Leakage detection device for water delivery and distribution pipe network |
| CN114607946B (en) * | 2022-03-31 | 2023-09-15 | 安徽工程大学 | Leakage detection device for water distribution pipe network |
| CN116609227A (en) * | 2023-07-10 | 2023-08-18 | 广东电网有限责任公司珠海供电局 | Device and method for safely collecting carbon emission data of electric power system |
| CN116609227B (en) * | 2023-07-10 | 2023-11-28 | 广东电网有限责任公司珠海供电局 | Device and method for safely collecting carbon emission data of electric power system |
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