CN113295821B

CN113295821B - Gaseous check out test set of multi-functional VOCs

Info

Publication number: CN113295821B
Application number: CN202110451975.6A
Authority: CN
Inventors: 张俊生; 吕涛; 侯文高; 张海波; 周婧洁; 姜杰; 陆嘉佳
Original assignee: Pal Lab Equipment Co ltd
Current assignee: Pal Lab Equipment Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-17
Anticipated expiration: 2041-04-26
Also published as: CN114216615A; CN113295821A

Abstract

The invention discloses a multifunctional VOCs gas detection device and a detection method, and provides a scheme which comprises a pipeline, wherein a support column is fixedly sleeved on the outer wall of one side of the pipeline, fixing rings are fixedly connected to both sides of the bottom of the pipeline, an arc plate positioned on one side of the support column is arranged on the outer wall of the pipeline and positioned between the two fixing rings, and two groups of clamping components for clamping the pipeline are arranged at the top of the arc plate. The professional detection is convenient to carry out in the later period.

Description

Gaseous check out test set of multi-functional VOCs

Technical Field

The invention relates to the technical field of gas detection equipment, in particular to multifunctional VOCs gas detection equipment and a detection method.

Background

VOCs are important precursor substances for the formation of fine particles (PM2.5) and ozone, and can be classified according to their chemical structure: hydrocarbons (alkanes, alkenes, and aromatics), ketones, esters, alcohols, phenols, aldehydes, amines, nitriles (nitriles), and the like, and a portion of PM2.5 may be formed by direct conversion of VOCs. Most of the VOCs are room-effect gases, most of the VOCs are insoluble in water or insoluble in water, are easily soluble in organic solvents, are volatile, have heavier relative vapor density than air, are mostly inflammable and explosive, are partially toxic or even extremely toxic, not only affect the environment, but also have great harm to the health of human bodies.

The detection to the transport pipe says in the aspect of detecting adopts detecting instrument to detect at the outer wall of transport pipe way mostly, but the outer wall parcel of transport pipe way usually has support column and solid fixed ring, consequently support column and solid fixed ring can form the hindrance to detecting instrument when detecting instrument detects at the outer wall of transport pipe way, influence detection efficiency, the position that can't concrete definite VOCs appear when detecting moreover, can not collect VOCs when detecting in addition, make things convenient for the concrete detection operation in later stage.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides multifunctional VOCs gas detection equipment and a detection method, wherein the multifunctional VOCs gas detection equipment is compact in structure, can effectively avoid the obstruction of a supporting column and a fixing ring, can specifically determine the position where VOCs appear, and can collect the VOCs.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a gaseous check out test set of multi-functional VOCs, includes the pipeline, the fixed cover of one side outer wall of pipeline is equipped with the support column, the solid fixed ring of the equal fixedly connected with in bottom both sides of pipeline, the outer wall of pipeline is equipped with the arc that is located support column one side, and the arc is located between two solid fixed rings, the top of arc is equipped with two sets of centre gripping subassemblies that are used for the centre gripping pipeline, the top of arc is equipped with the determine module that is used for detecting the VOCs gas, be equipped with two sets of steady subassemblies that are used for increasing the arc and remove the stationarity in the arc.

Preferably, the clamping assembly comprises a fixed block fixedly connected to one side of the top of the arc-shaped plate, a small air cylinder is fixedly connected to the top of the fixed block, a connecting block fixedly connected with a piston rod of the small air cylinder is slidably connected to the inside of the fixed block in the vertical direction, two symmetrical Z-shaped plates are slidably connected to the inside of the fixed block in the transverse direction, two symmetrical fixed rods are fixedly connected to the inside of the fixed block, a rotating rod is rotatably sleeved on the outer wall of each fixed rod, two ends of the rotating rod respectively extend into the Z-shaped plates and the connecting block and are respectively slidably connected with the Z-shaped plates and the connecting block, a first slide bar slidably penetrating through the top of the arc-shaped plate is fixedly connected to the bottom end of the connecting block, a second slide bar slidably penetrating through one side of the arc-shaped plate is slidably connected to one side of the Z-shaped plate close to the pipeline, and limit bars slidably penetrating through one side of the Z-shaped plate are fixedly connected to two sides of the arc-shaped plate, and then can reach the centre gripping of second slide bar and first slide bar to the pipeline through the flexible of the piston rod of small-size cylinder.

Preferably, the centre gripping subassembly still includes the U type piece that first slide bar and two second slide bars are close to the equal fixed connection of one end of pipeline, U type piece internal rotation is connected with the rubber wheel that has the pivot, and the rubber wheel bumps mutually with the outer wall of pipeline and touches, one side fixedly connected with driving motor of U type piece, driving motor's output shaft extend to in the U type piece and with the pivot fixed connection of rubber wheel, and then can drive U type piece and rotate when starting the rubber wheel to can drive the arc and remove on the outer wall of pipeline, it is gaseous to conveniently detect VOCs.

Preferably, the detection assembly comprises a plurality of vent holes arranged on the outer wall of the arc plate, a toothed ring is fixedly sleeved on the outer wall of the arc plate, a collection box is slidably connected on the outer wall of the arc plate, a flip cover is rotatably connected on the top of the collection box, a VOCs gas detector is fixedly connected on the bottom of the collection box, a rotating shaft is rotatably connected in the collection box, a gear meshed with the toothed ring is fixedly sleeved on the outer wall of the rotating shaft, a small motor is fixedly connected on one side of the collection box, an output shaft of the small motor extends into the collection box and is fixedly connected with the rotating shaft, a collection bottle and an air pump are fixedly connected on the inner wall of the bottom of the collection box, a hose extending into the collection bottle is fixedly sleeved on an air outlet of the air pump, a plurality of air suction heads are fixedly connected on one side of the bottom of the collection box far away from the VOCs gas detector at equal intervals, and the air inlet of aspiration pump is linked together through hose and suction head, and when VOCs gas detection appearance detected there is the gaseous leakage of VOCs, small-size motor drive gear rotates, and then can make the gaseous detector of VOCs slide at the outer wall of arc, confirms the gaseous position of leaking of VOCs.

Preferably, steady subassembly is including setting up the spout in the arc, sliding connection has the slider in the spout, the bottom of slider is rotated and is connected with the gyro wheel that touches with the pipeline top, the top inner wall fixedly connected with of spout a plurality of and slider top fixed connection's spring, at two sets of first slide bars respectively rebound, when relieving the centre gripping to the pipeline, can keep the holistic stationarity of arc through slider and gyro wheel.

Preferably, a magnet is fixedly embedded in the rubber wheel, and the magnet can increase the adsorbability between the rubber wheel and the pipeline.

Preferably, be equipped with the recess in the Z template, and the dwang is kept away from the one end of connecting block and is extended to in the recess, the one end that is the horizontal sliding connection and has first round bar and first round bar in the recess runs through the rotation dwang, be equipped with two symmetrical rectangular channels in the connecting block, be horizontal fixedly connected with second round bar in the rectangular channel, the one end that the Z template was kept away from to the dwang extends to the rectangular channel and is equipped with the through-hole, and the one end of second round bar extend to in the through-hole and with through-hole sliding connection, when the connecting block promoted the dwang and rotates, the dwang can drive the Z template and carry out the horizontal slip.

Preferably, the outer wall of the arc-shaped plate is fixedly sleeved with two symmetrical arc-shaped sliding rails, arc-shaped sliding blocks are fixedly connected to two sides of the bottom of the collecting box, the arc-shaped sliding rails are connected with the arc-shaped sliding blocks in a sliding mode, and friction resistance between the arc-shaped plate and the collecting box can be reduced through the arc-shaped sliding rails and the arc-shaped sliding blocks.

Preferably, the top of collecting box is horizontal fixedly connected with connecting rod, the outer wall cover of connecting rod is equipped with flip, the outer wall cover of connecting rod is equipped with the torsional spring, and the top of torsional spring and bottom respectively bump with flip's top inner wall and the top of collecting box mutually and touch, the collecting box top is equipped with the draw-in groove, flip's bottom fixedly connected with is located the fixture block of draw-in groove, one side sliding connection of collecting box has the bolt that extends to the fixture block in, the outer wall cover of bolt is equipped with the extension spring with collecting box fixed connection, and the other end of extension spring and the outer wall fixed connection of bolt, and the pulling bolt slides to the outside, relieves the braking of bolt to flip and fixture block, and flip begins to rotate under the effect of connecting rod to open the collecting box, conveniently take out the receiving flask.

A detection method of multifunctional VOCs gas detection equipment comprises the following steps:

s1, placing the arc-shaped plate on the outer wall of the pipeline from top to bottom, starting the two small cylinders, pushing the connecting block and the first sliding rod to slide downwards by piston rods of the small cylinders, and enabling the rubber wheels to be in contact with the outer wall of the pipeline;

s2, when the connecting block slides downwards, the rotating rod starts to rotate, so that the rotating rod can pull the Z-shaped plate to slide towards the middle, meanwhile, the Z-shaped plate pushes the second sliding rod to slide towards the pipeline, and the second sliding rod and the first sliding rod can clamp the pipeline;

s3, starting a driving motor, driving the arc-shaped plate to move along the direction of the pipeline by the driving motor, when the sliding block is contacted with the supporting column, starting the sliding block to slide upwards under the action of the supporting column until the bottom of the roller is positioned at the top of the supporting column, and sliding the sliding block downwards again along with the continuous movement of the arc-shaped plate;

s4, when the U-shaped block encounters a supporting column, starting the left small air cylinder, driving a connecting block to slide upwards by a piston rod of the small air cylinder, further sliding the Z-shaped plate to two sides, releasing the clamping of the rubber wheel to the pipeline, when the left U-shaped block crosses the supporting column, pushing the connecting block downwards again by the piston rod of the left small air cylinder to clamp the pipeline again, and when the right U-shaped block encounters the supporting column, repeating the operation, thereby avoiding the blocking of the arc-shaped plate by the supporting column;

s5, when VOCs gas leaks in the pipeline, the VOCs gas drifts upwards through the vent hole, the VOCs gas detector detects the VOCs gas, the small motor is started to drive the gear to rotate, the collecting box and the VOCs gas detector can slide on the outer wall of the arc plate along with the rotation of the gear, the position of the VOCs gas leakage is determined, the air pump is started, the air pump collects the leaked VOCs gas into the collecting bottle through the air suction head, and the VOCs gas can be conveniently detected in a specific laboratory at the later stage;

s6, after the collection bottle is collected, the bolt is pulled to slide outwards, the brake of the bolt on the flip cover and the clamping block is released, and the flip cover starts to rotate under the action of the connecting rod, so that the collection box is opened, and the collection bottle is convenient to take out.

Compared with the prior art, the invention provides multifunctional VOCs gas detection equipment, which has the following beneficial effects:

1. be equipped with the spout in this gaseous check out test set of multi-functional VOCs's the arc, sliding connection has the slider in the spout, the bottom of slider is rotated and is connected with the gyro wheel that touches with the pipeline top, the top inner wall fixedly connected with of spout a plurality of and spout top fixed connection's spring, at two sets of first slide bars respectively rebound, when relieving the centre gripping to the pipeline, can keep the holistic stationarity of arc through slider and slider.

2. This gaseous check out test set's of multi-functional VOCs fixed cover of outer wall of arc is equipped with the ring gear, the outer wall sliding connection of arc has the collecting box, the gaseous detector of bottom fixedly connected with VOCs of collecting box, the collecting box internal rotation is connected with the axis of rotation, the fixed cover of outer wall of axis of rotation is equipped with the gear with ring gear engaged with, one side fixedly connected with small-size motor of collecting box, small-size motor's output shaft extend to in the collecting box and with axis of rotation fixed connection, when VOCs gaseous detector detected VOCs gas leakage, small-size motor drove the gear and rotates, and then can make VOCs gaseous detector slide at the outer wall of arc, confirms the position of VOCs gas leakage.

3. This gaseous check out test set's of multi-functional VOCs top fixedly connected with small-size cylinder, be vertical direction sliding connection in the fixed block and have the connecting block with small-size cylinder piston rod fixed connection, be horizontal two symmetrical Z templates of sliding connection in the fixed block, two symmetrical dead levers of fixed connection in the fixed block, the outer wall of dead lever rotates the cover and is equipped with the dwang, the both ends of dwang extend to respectively in Z template and the connecting block and respectively with Z template and connecting block sliding connection, the first slide bar of bottom fixedly connected with of connecting block, one side sliding connection that the Z template is close to the pipeline has the second slide bar that runs through the sliding connection arc, and then can reach the centre gripping of second slide bar and first slide bar to the pipeline through the flexible of small-size cylinder's piston rod.

4. This gaseous check out test set of multi-functional VOCs's first slide bar and two second slide bars are close to the equal fixedly connected with U type piece of one end of pipeline, U type piece internal rotation is connected with the rubber wheel that has the pivot, one side fixedly connected with driving motor of U type piece, driving motor's output shaft extend to in the U type piece and with the pivot fixed connection of rubber wheel, and then can drive U type piece and rotate when starting the rubber wheel to can drive the arc and remove on the outer wall of pipeline, it is gaseous to conveniently detect VOCs.

The gas detection device is simple in structure and convenient to operate, the pipeline can be clamped through the expansion of the piston rods of the two small air cylinders, the blocking of the support columns to the movement of the arc-shaped plate can be effectively avoided, the detection of VOCs gas is facilitated, the collection box can be driven to slide back and forth on the outer wall of the arc-shaped plate by starting the small motors, the position of VOCs gas leakage is determined, in addition, the VOCs gas can be collected through the air suction pump, and the professional detection is facilitated in the later stage.

Drawings

Fig. 1 is a front view of a multifunctional VOCs gas detection apparatus according to the present invention.

Fig. 2 is a front sectional view of a multifunctional VOCs gas detection device according to the present invention.

Fig. 3 is a sectional view taken along the direction a-a of a multifunctional VOCs gas detection apparatus according to the present invention.

Fig. 4 is a sectional view of the multifunctional VOCs gas detection apparatus according to the present invention in the direction B-B.

Fig. 5 is a C-C sectional view of a multifunctional VOCs gas detection apparatus according to the present invention.

Fig. 6 is a cross-sectional view of a multifunctional VOCs gas detection device according to the present invention in the direction D-D.

Fig. 7 is an enlarged view of the multifunctional VOCs gas detection apparatus according to the present invention at position E.

Fig. 8 is an enlarged view of the multifunctional VOCs gas detection apparatus according to the present invention at position F.

Fig. 9 is a front sectional view of a collection box of the multifunctional VOCs gas detection device according to the present invention.

FIG. 10 is a front sectional view of the collection tank in the second embodiment.

In the figure: 1. a pipeline; 2. a support pillar; 3. a fixing ring; 4. an arc-shaped plate; 5. a fixed block; 6. a small cylinder; 7. a Z-shaped plate; 8. connecting blocks; 9. a first slide bar; 10. a U-shaped block; 11. a drive motor; 12. fixing the rod; 13. rotating the rod; 14. a through hole; 15. a groove; 16. a first round bar; 17. a rectangular groove; 18. a second round bar; 19. a second slide bar; 20. a rubber wheel; 21. a limiting rod; 22. a chute; 23. a slider; 24. a roller; 25. a spring; 26. a vent hole; 27. a toothed ring; 28. a collection box; 29. a cover is turned; 30. a rotating shaft; 31. a gear; 32. a small-sized motor; 33. a VOCs gas detector; 34. an air pump; 35. a collection bottle; 36. an air suction head; 37. a hose; 38. a connecting rod; 39. a torsion spring; 40. a card slot; 41. a clamping block; 42. a bolt; 43. a tension spring; 44. a magnet; 45. an arc-shaped slide rail; 46. an arc-shaped sliding block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-9, a gaseous check out test set of multi-functional VOCs, including pipeline 1, the fixed cover of one side outer wall of pipeline 1 is equipped with support column 2, the solid fixed ring 3 of the equal fixedly connected with in bottom both sides of pipeline 1, the outer wall of pipeline 1 is equipped with the arc 4 that is located support column 2 one side, and arc 4 is located between two solid fixed ring 3, the top of arc 4 is equipped with two sets of centre gripping subassemblies that are used for centre gripping pipeline 1, the top of arc 4 is equipped with the gaseous determine module that is used for detecting the VOCs, be equipped with two sets of steady subassemblies that are used for increasing arc 4 and remove the stationarity in arc 4.

In the invention, the clamping component comprises a fixed block 5 fixedly connected to one side of the top of an arc-shaped plate 4, a small air cylinder 6 is fixedly connected to the top of the fixed block 5, a connecting block 8 fixedly connected with a piston rod of the small air cylinder 6 is slidably connected in the fixed block 5 in a vertical direction, two symmetrical Z-shaped plates 7 are slidably connected in the fixed block 5 in a transverse direction, two symmetrical fixing rods 12 are fixedly connected in the fixed block 5, a rotating rod 13 is rotatably sleeved on the outer wall of each fixing rod 12, two ends of each rotating rod 13 respectively extend into the Z-shaped plate 7 and the connecting block 8 and are respectively slidably connected with the Z-shaped plate 7 and the connecting block 8, a first sliding rod 9 slidably penetrating through the top of the arc-shaped plate 4 is fixedly connected to the bottom end of the connecting block 8, a second sliding rod 19 slidably penetrating through one side of the arc-shaped plate 4 is slidably connected to one side of the Z-shaped plate 7 close to a pipeline 1, and limiting rods 21 slidably penetrating one side of the Z-shaped plate 7 are fixedly connected to two sides of the arc-shaped plate 4, furthermore, the pipeline 1 can be clamped by the second slide bar 19 and the first slide bar 9 through the extension and contraction of the piston rod of the small air cylinder 6.

According to the invention, the clamping assembly further comprises a first slide bar 9 and two second slide bars 19, one ends of the first slide bar 9 and the two second slide bars 19, which are close to the pipeline 1, are fixedly connected with a U-shaped block 10, a rubber wheel 20 with a rotating shaft is rotatably connected in the U-shaped block 10, the rubber wheel 20 is in contact with the outer wall of the pipeline 1, one side of the U-shaped block 10 is fixedly connected with a driving motor 11, an output shaft of the driving motor 11 extends into the U-shaped block 10 and is fixedly connected with the rotating shaft of the rubber wheel 20, and further the U-shaped block 10 can be driven to rotate when the rubber wheel 20 is started, so that the arc-shaped plate 4 can be driven to move on the outer wall of the pipeline 1, and VOCs gas can be conveniently detected.

In the invention, the detection assembly comprises a plurality of vent holes 26 arranged on the outer wall of an arc-shaped plate 4, a toothed ring 27 is fixedly sleeved on the outer wall of the arc-shaped plate 4, a collecting box 28 is slidably connected on the outer wall of the arc-shaped plate 4, a flip cover 29 is rotatably connected on the top of the collecting box 28, a VOCs gas detector 33 is fixedly connected on the bottom of the collecting box 28, a rotating shaft 30 is rotatably connected in the collecting box 28, a gear 31 meshed with the toothed ring 27 is fixedly sleeved on the outer wall of the rotating shaft 30, a small motor 32 is fixedly connected on one side of the collecting box 28, an output shaft of the small motor 32 extends into the collecting box 28 and is fixedly connected with the rotating shaft 30, a collecting bottle 35 and an air suction pump 34 are fixedly connected on the inner wall of the bottom of the collecting box 28, a hose 37 extending into the collecting bottle 35 is fixedly sleeved on an air outlet of the air suction pump 34, a plurality of air suction heads 36 are fixedly connected on one side of the bottom of the collecting box 28 far away from the VOCs gas detector 33 at equal intervals, and the air inlet of the air pump 34 is communicated with the air suction head 36 through a hose, when the VOCs gas detector 33 detects that VOCs gas leaks, the small motor 32 drives the gear 31 to rotate, so that the VOCs gas detector 33 can slide on the outer wall of the arc-shaped plate 4, and the position of the VOCs gas leakage is determined.

In the invention, the stabilizing component comprises a sliding chute 22 arranged in the arc-shaped plate 4, a sliding block 23 is connected in the sliding chute 22 in a sliding manner, the bottom of the sliding block 23 is rotatably connected with a roller 24 which is in contact with the top of the pipeline 1, the inner wall of the top of the sliding chute 22 is fixedly connected with a plurality of springs 25 which are fixedly connected with the top of the sliding block 23, and when two groups of first sliding rods 9 respectively move upwards to release the clamping on the pipeline 1, the overall stability of the arc-shaped plate 4 can be kept through the sliding block 23 and the roller 24.

In the present invention, the magnet 44 is fixedly fitted in the rubber wheel 20, and the adsorbability between the rubber wheel 20 and the pipe 1 can be increased by the magnet 44.

According to the invention, a groove 15 is formed in the Z-shaped plate 7, one end of the rotating rod 13, far away from the connecting block 8, extends into the groove 15, a first round rod 16 is connected in the groove 15 in a transverse sliding mode, one end of the first round rod 16 penetrates through the rotating rod 13, two symmetrical rectangular grooves 17 are formed in the connecting block 8, a second round rod 18 is fixedly connected in the rectangular grooves 17 in a transverse mode, one end of the rotating rod 13, far away from the Z-shaped plate 7, extends into the rectangular grooves 17 and is provided with a through hole 14, one end of the second round rod 18 extends into the through hole 14 and is in sliding connection with the through hole 14, and when the rotating rod 13 is pushed by the connecting block 8 to rotate, the rotating rod 13 can drive the Z-shaped plate 7 to slide left and right.

According to the invention, two symmetrical arc-shaped sliding rails 45 are fixedly sleeved on the outer wall of the arc-shaped plate 4, arc-shaped sliding blocks 46 are fixedly connected to two sides of the bottom of the collecting box 28, the arc-shaped sliding rails 45 are connected with the arc-shaped sliding blocks 46 in a sliding manner, and the frictional resistance between the arc-shaped plate 4 and the collecting box 28 can be reduced through the arc-shaped sliding rails 45 and the arc-shaped sliding blocks 46.

Example 2:

referring to fig. 1-10, a gaseous check out test set of multi-functional VOCs, including pipeline 1, the fixed cover of one side outer wall of pipeline 1 is equipped with support column 2, the solid fixed ring 3 of the equal fixedly connected with in bottom both sides of pipeline 1, the outer wall of pipeline 1 is equipped with the arc 4 that is located support column 2 one side, and arc 4 is located between two solid fixed ring 3, the top of arc 4 is equipped with two sets of centre gripping subassemblies that are used for centre gripping pipeline 1, the top of arc 4 is equipped with the gaseous determine module that is used for detecting the VOCs, be equipped with two sets of steady subassemblies that are used for increasing arc 4 and remove the stationarity in arc 4.

In the invention, the clamping assembly further comprises a U-shaped block 10 fixedly connected with one ends of a first slide bar 9 and two second slide bars 19 close to the pipeline 1, a rubber wheel 20 with a rotating shaft is connected in the U-shaped block 10 in a rotating mode, the rubber wheel 20 is in contact with the outer wall of the pipeline 1, a driving motor 11 is fixedly connected with one side of the U-shaped block 10, an output shaft of the driving motor 11 extends into the U-shaped block 10 and is fixedly connected with the rotating shaft of the rubber wheel 20, the U-shaped block 10 can be driven to rotate when the rubber wheel 20 is started, the arc-shaped plate 4 can be driven to move on the outer wall of the pipeline 1, and VOCs gas can be detected conveniently.

In the invention, the top of the collecting box 28 is transversely and fixedly connected with a connecting rod 38, the outer wall of the connecting rod 38 is sleeved with a flip 29, the outer wall of the connecting rod 38 is sleeved with a torsion spring 39, the top end and the bottom end of the torsion spring 39 respectively touch the inner wall of the top of the flip 29 and the top of the collecting box 28, the top of the collecting box 28 is provided with a clamping groove 40, the bottom of the flip 29 is fixedly connected with a clamping block 41 positioned in the clamping groove 40, one side of the collecting box 28 is slidably connected with a bolt 42 extending into the clamping block 41, the outer wall of the bolt 42 is sleeved with a tension spring 43 fixedly connected with the collecting box 28, the other end of the tension spring 43 is fixedly connected with the outer wall of the bolt 42, the bolt 42 is pulled to slide outwards, the brake of the flip 29 and the clamping block 41 by the bolt 42 is released, the flip 29 starts to rotate under the action of the connecting rod 38, so as to open the collecting box 28 and conveniently take out the collecting bottle 35.

The working principle is as follows: firstly, placing an arc-shaped plate 4 on the outer wall of a pipeline 1 from top to bottom, starting two small cylinders 6, pushing a connecting block 8 and a first slide bar 9 to slide downwards by piston rods of the small cylinders 6, along with the sliding of the first slide bar 9, enabling a rubber wheel 20 to be in contact with the outer wall of the pipeline 1, secondly, enabling a rotating rod 13 to rotate while the connecting block 8 slides downwards, so that the rotating rod 13 can pull a Z-shaped plate 7 to slide towards the middle, meanwhile, the Z-shaped plate 7 pushes a second slide bar 19 to slide towards the direction of the pipeline 1, further enabling the rubber wheel 20 at the top of the second slide bar 19 to be in contact with the outer wall of the pipeline 1, matching with the rubber wheel 20 at the bottom end of the first slide bar 9, so as to achieve the purpose of clamping the pipeline 1, thirdly, starting a driving motor 11, driving the driving motor 11 to drive a U-shaped block 10 to move along the direction of the pipeline 1, when the arc-shaped plate 4 is blocked by a supporting column 2, the slide block 23 is contacted with the support column 2, the slide block 23 starts to slide upwards under the action of the support column 2 along with the movement of the arc-shaped plate 4, the spring 25 starts to compress until the bottom of the roller 24 is positioned at the top of the support column 2, the slide block 23 and the roller 24 continue to move downwards under the action of the spring 25 along with the arc-shaped plate 4, the roller 24 is contacted with the pipeline 1 again, in the fourth step, when the U-shaped block 10 is obstructed by the support column 2, the small air cylinder 6 on the left side is started, the piston rod of the small air cylinder 6 drives the connecting block 8 and the first sliding rod 9 to slide upwards, the rotating rod 13 pushes the Z-shaped plate 7 to slide towards two sides, the clamping of the rubber wheel 20 on the pipeline 1 is released, the arc-shaped plate 4 continues to move towards the left side, when the U-shaped block 10 on the left side crosses the support column 2, the piston rod of the small air cylinder 6 on the left side pushes the connecting block 8 and the first sliding rod 9 downwards again, and the U-shaped block 10 clamps the pipeline 1 again, when the U-shaped block 10 on the right meets the supporting column 2, the operations are repeated, and then the blocking of the supporting column 2 to the arc-shaped plate 4 can be avoided, in the fifth step, when the leakage of the VOCs gas occurs in the pipeline 1, the VOCs gas drifts upwards through the vent hole 26, the VOCs gas detector 33 detects the VOCs gas, then the small-sized motor 32 is started to drive the gear 31 to rotate, the gear 31 is meshed with the toothed ring 27, the collecting box 28 and the VOCs gas detector 33 can slide on the outer wall of the arc-shaped plate 4 along with the rotation of the gear 31, the position of the VOCs gas leakage is determined, at the moment, the air pump 34 is started, the air pump 34 collects the leaked VOCs gas into the collecting bottle 35 through the air suction head 36, the detection of the VOCs gas in a specific laboratory in the later stage is facilitated, in the sixth step, after the collecting bottle 35 finishes the collection, the bolt 42 is pulled to slide outwards, and the brake of the turnover cover 29 and the fixture block 41 by the bolt 42 is released, the flap 29 is set in rotation by the link 38, so as to open the collecting chamber 28 and facilitate the removal of the collecting bottle 35.

s1, placing the arc-shaped plate 4 on the outer wall of the pipeline 1 from top to bottom, starting the two small cylinders 6, pushing the connecting block 8 and the first sliding rod 9 to slide downwards by piston rods of the small cylinders 6, and enabling the rubber wheel 20 to be in contact with the outer wall of the pipeline 1;

s2, when the connecting block 8 slides downwards, the rotating rod 13 starts to rotate, so that the rotating rod 13 can pull the Z-shaped plate 7 to slide towards the middle, meanwhile, the Z-shaped plate 7 pushes the second sliding rod 19 to slide towards the direction of the pipeline 1, and the second sliding rod 19 and the first sliding rod 9 can clamp the pipeline 1;

s3, starting the driving motor 11, the driving motor 11 driving the arc-shaped plate 4 to move along the direction of the pipeline 1, when the sliding block 23 contacts the supporting column 2, the sliding block 23 starts to slide upwards under the action of the supporting column 2 until the bottom of the roller 24 is located at the top of the supporting column 2, and as the arc-shaped plate 4 continues to move, the sliding block 23 slides downwards again;

s4, when the U-shaped block 10 meets the obstruction of the supporting column 2, the left small air cylinder 6 is started, a piston rod of the small air cylinder 6 drives the connecting block 8 to slide upwards, then the Z-shaped plate 7 slides towards two sides, the clamping of the rubber wheel 20 on the pipeline 1 is released, when the U-shaped block 10 on the left side crosses the supporting column 2, the piston rod of the left small air cylinder 6 pushes the connecting block 8 to slide downwards again, the pipeline 1 is clamped again, when the U-shaped block 10 on the right side meets the supporting column 2, the operations are repeated, and then the blocking of the supporting column 2 on the arc-shaped plate 4 can be avoided;

s5, when VOCs gas leakage occurs in the pipeline 1, the VOCs gas drifts upwards through the vent hole 26, the VOCs gas detector 33 detects the VOCs gas, the small motor 32 is started to drive the gear 31 to rotate, the collecting box 28 and the VOCs gas detector 33 can slide on the outer wall of the arc-shaped plate 4 along with the rotation of the gear 31, the position of the VOCs gas leakage is determined, the air suction pump 34 is started, the air suction pump 34 collects the leaked VOCs gas into the collecting bottle 35 through the air suction head 36, and the VOCs gas can be detected in a specific laboratory in the later stage conveniently;

and S6, after the collection bottle 35 is collected, pulling the bolt 42 to slide outwards, releasing the brake of the bolt 42 on the flip 29 and the fixture block 41, and starting to rotate the flip 29 under the action of the connecting rod 38, so that the collection box 28 is opened, and the collection bottle 35 is convenient to take out.

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

1. The multifunctional VOCs gas detection equipment comprises a pipeline (1), and is characterized in that a support column (2) is fixedly sleeved on the outer wall of one side of the pipeline (1), fixing rings (3) are fixedly connected to two sides of the bottom of the pipeline (1), an arc plate (4) is arranged on the outer wall of the pipeline (1), two groups of clamping assemblies used for clamping the pipeline (1) are arranged at the top of the arc plate (4), a detection assembly used for detecting VOCs gas is arranged at the top of the arc plate (4), and two groups of stabilizing assemblies used for increasing the moving stability of the arc plate (4) are arranged in the arc plate (4);

the clamping component comprises a fixed block (5) fixedly connected with one side of the top of the arc-shaped plate (4), the top of the fixed block (5) is fixedly connected with a small cylinder (6), the fixed block (5) is connected with a connecting block (8) in a sliding way, two symmetrical Z-shaped plates (7) are connected in the fixed block (5) in a sliding way, two symmetrical fixed rods (12) are fixedly connected in the fixed block (5), the outer wall of the fixed rod (12) is rotatably sleeved with a rotating rod (13), two ends of the rotating rod (13) are respectively connected with the Z-shaped plate (7) and the connecting block (8) in a sliding manner, the bottom end of the connecting block (8) is fixedly connected with a first sliding rod (9), one side of the Z-shaped plate (7) is connected with a second sliding rod (19) in a sliding manner, and both sides of the arc-shaped plate (4) are fixedly connected with limiting rods (21).

2. The multifunctional VOCs gas detection equipment according to claim 1, wherein the clamping assembly further comprises a U-shaped block (10) fixedly connected with one ends of the first sliding rod (9) and the two second sliding rods (19) close to the pipeline (1), a rubber wheel (20) is rotatably connected in the U-shaped block (10), a driving motor (11) is fixedly connected to one side of the U-shaped block (10), and an output shaft of the driving motor (11) is fixedly connected with a rotating shaft of the rubber wheel (20).

3. The multifunctional VOCs gas detection device according to claim 1, wherein the detection assembly comprises a plurality of vent holes (26) arranged on the outer wall of the arc-shaped plate (4), the outer wall of the arc-shaped plate (4) is fixedly sleeved with a toothed ring (27), the outer wall of the arc-shaped plate (4) is slidably connected with a collection box (28), the top of the collection box (28) is rotatably connected with a flip cover (29), the bottom of the collection box (28) is fixedly connected with a VOCs gas detector (33), the collection box (28) is rotatably connected with a rotating shaft (30), the outer wall of the rotating shaft (30) is fixedly sleeved with a gear (31), one side of the collection box (28) is fixedly connected with a small motor (32), the output shaft of the small motor (32) is fixedly connected with the rotating shaft (30), the inner wall of the bottom of the collection box (28) is fixedly connected with a collection bottle (35) and an air pump (34), the fixed cover in gas outlet of aspiration pump (34) is equipped with hose (37) that extends to in collecting bottle (35), the bottom equidistance fixedly connected with of collecting box (28) a plurality of suction heads (36), and the air inlet of aspiration pump (34) is linked together through hose and suction head (36).

4. The multifunctional VOCs gas detection device according to claim 1, wherein the stabilizing component comprises a sliding chute (22) arranged in the arc-shaped plate (4), a sliding block (23) is connected in the sliding chute (22) in a sliding manner, a roller (24) is rotatably connected to the bottom of the sliding block (23), and a plurality of springs (25) fixedly connected to the top of the sliding block (23) are fixedly connected to the inner wall of the top of the sliding chute (22).

5. A multi-functional VOCs gas detection apparatus as claimed in claim 2 wherein magnets (44) are fixedly embedded in said rubber wheel (20).

6. The multifunctional VOCs gas detection device according to claim 2, wherein a groove (15) is formed in the Z-shaped plate (7), one end of the rotating rod (13), which is far away from the connecting block (8), extends into the groove (15), a first round rod (16) is slidably connected in the groove (15), two symmetrical rectangular grooves (17) are formed in the connecting block (8), a second round rod (18) is fixedly connected in the rectangular grooves (17), one end of the rotating rod (13) extends into the rectangular grooves (17) and is provided with a through hole (14), and one end of the second round rod (18) extends into the through hole (14) and is slidably connected with the through hole (14).

7. The multifunctional VOCs gas detection equipment according to claim 3, wherein the outer wall of the arc-shaped plate (4) is fixedly sleeved with two symmetrical arc-shaped sliding rails (45), the two sides of the bottom of the collection box (28) are fixedly connected with arc-shaped sliding blocks (46), and the arc-shaped sliding rails (45) are slidably connected with the arc-shaped sliding blocks (46).

8. The multifunctional VOCs gas detection device of claim 3, wherein the top of the collection box (28) is fixedly connected with a connecting rod (38), the outer wall sleeve of the connecting rod (38) is provided with a flip cover (29), the outer wall sleeve of the connecting rod (38) is provided with a torsion spring (39), the top end and the bottom end of the torsion spring (39) are respectively contacted with the flip cover (29) and the collection box (28), the top of the collection box (28) is provided with a clamping groove (40), the bottom of the flip cover (29) is fixedly connected with a clamping block (41), one side of the collection box (28) is slidably connected with a bolt (42), the outer wall sleeve of the bolt (42) is provided with a tension spring (43), and the other end of the tension spring (43) is fixedly connected with the outer wall of the bolt (42).