CN221224315U

CN221224315U - Test gas collection device

Info

Publication number: CN221224315U
Application number: CN202323132198.2U
Authority: CN
Inventors: 冀超; 曾凡猛; 杨洪钧; 张小南; 周琳; 郑海燕
Original assignee: China Communications Construction Group Sixth Engineering Co ltd; Shaanxi Yisheng Road & Bridge Technology Co ltd; CCCC Construction Group Co Ltd
Current assignee: China Communications Construction Group Sixth Engineering Co ltd; Shaanxi Yisheng Road & Bridge Technology Co ltd; CCCC Construction Group Co Ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-25
Anticipated expiration: 2033-11-20

Abstract

The application relates to the field of gas collection, in particular to a test gas collection device, which comprises a bottom plate with universal wheels, wherein a gas collection box body with an opening at the top is arranged on the bottom plate, one side of the gas collection box body is communicated with a gas collection pipe, one end of the gas collection pipe, which is far away from the gas collection box body, faces vertically to the ground, a fixed disc is arranged in the gas collection box body, the communicating position of the gas collection pipe and the gas collection box body is positioned below the fixed disc, a plurality of fixed holes are formed in the fixed disc, a gas collection bottle is inserted in the fixed holes, the opening of the gas collection bottle faces vertically downwards, and a cover plate is covered at the opening at the top of the gas collection box body, so that the test gas collection device has the advantage of being more convenient to use on a construction site.

Description

Test gas collection device

Technical Field

The application relates to the field of gas collection, in particular to a test gas collection device.

Background

The rubber asphalt is used as a modified asphalt, has the characteristics of stronger high and low temperature stability, water damage resistance, flexibility, crack resistance, high temperature resistance, ultraviolet aging resistance, fatigue resistance, skid resistance, noise reduction and the like, and is widely popularized and applied in more and more countries and regions as a novel road material.

Rubber powder in the rubber asphalt is prepared by grinding automobile waste tires, and contains a large amount of natural rubber, styrene-butadiene rubber and other polymers, antioxidants, carbon black and other substances, and after the rubber powder is combined with the asphalt for reaction, the performances of ultraviolet aging resistance, heat aging resistance, fatigue resistance and the like of the asphalt can be greatly improved under the action of the substances; in addition, rubber powder is mainly expanded by absorption under a certain temperature condition, which not only increases the stiffness of the liquid phase part in asphalt, but also increases the contact possibility of the solid phase part.

However, in the construction process of the rubber asphalt, some harmful gases are generated on site, and the harmful gases need to be subjected to sample collection, harmful components and concentrations are analyzed and compared with construction site data, so that the environmental protection benefit of the rubber asphalt mixture is evaluated.

In the related art, most of the gas collecting devices are hand-held, but the hand-held collecting devices are small in size, and in order to ensure the purity and the collection amount of the collected gas, an operator is required to bend down to press the gas collecting devices to a construction position as much as possible during use, so that the gas collecting devices are very inconvenient to use.

Therefore, it is highly desirable to provide a test gas collection device for use in a highway construction site with high convenience.

Disclosure of Invention

The application provides a test gas collecting device which has the advantage of being more convenient to use in a construction site.

The technical aim of the application is realized by the following technical scheme:

The utility model provides a test gas collection device, includes the bottom plate that has the universal wheel, install open-top's gas collecting tank body on the bottom plate, one side intercommunication of gas collecting tank body is provided with the gas collecting tube, the gas collecting tube deviates from the vertical orientation ground of one end of gas collecting tank body, gas collecting tank body internally mounted has the fixed disk, the gas collecting tube is located the fixed disk below with the UNICOM position of gas collecting tank body, a plurality of fixed orificess have been seted up on the fixed disk, the fixed orifices interpolation is equipped with the gas collecting bottle, and the opening of gas collecting bottle is vertical down, the top opening part lid of gas collecting tank body is equipped with the apron.

Optionally, a pressure balance pipe is communicated with one side of the gas collection bottle, and a balance one-way valve for one-way outflow of gas in the bottle is arranged on the pressure balance pipe.

Optionally, an inner and outer balance pipe communicated with the inside of the gas collecting box body is arranged at a position above the fixed disc on one side of the gas collecting box body, and an inner and outer check valve for unidirectional outflow of gas in the gas collecting box body is arranged on the inner and outer balance pipe.

Optionally, the lower surface of apron is provided with a plurality of clamping components that are used for the centre gripping to fix a position the gas collection bottle, and a plurality of clamping components correspond with a plurality of gas collection bottle one-to-one.

Optionally, the clamping assembly includes two sets of splint that are used for laminating with gas collection bottle surface and be used for the clamp plate of laminating with gas collection bottle bottom, the clamp plate is located between two sets of splint and with two sets of equal fixed connection of splint.

Optionally, the inner bottom of gas collection box is provided with initiative sealing member, initiative sealing member includes driving piece and jacking board, and jacking board and gas collection box inner wall sliding fit from top to bottom, and the driving piece is installed in gas collection box inner bottom and is driven the jacking board up-and-down motion, has seted up the hole of placing that is used for placing the bottle plug on the jacking board.

Optionally, the bottle plug includes the portion of placing that is used for inserting the hole of placing and with place portion fixed connection and be used for inserting the portion of inserting of gas collection bottle bottleneck, the cross-sectional dimension of portion of inserting is greater than the portion of placing, and the portion of inserting and the upper surface contact of jacking board.

Optionally, an auxiliary plate is arranged below the jacking plate, the auxiliary plate is fixed with the inner wall of the gas collecting box body, the auxiliary plate is elastically connected with the jacking plate through a plurality of springs, a plurality of positioning holes which are opposite to the placing holes are formed in the auxiliary plate, and the bottom of the bottle plug penetrates through the placing holes and then is inserted into the positioning holes.

According to the technical scheme, before the on-site gas is collected, the plurality of gas collection cylinders are placed in the gas collection box body in advance, the openings of the gas collection cylinders face downwards and are inserted into the fixing holes of the fixing disc, and the whole installation work can be prepared in advance before entering the on-site. After entering the site, the whole collecting device is pushed to a designated position, gas to be collected in the site enters the gas collecting box body through the gas collecting pipe and smoothly enters the gas collecting bottle, after the gas collecting box is collected for a certain time, the driving piece is used for driving the lifting plate to ascend, so that the bottle stopper is inserted into the bottle mouth of the gas collecting bottle, the collecting work is completed, and after the collecting work is completed, the cover plate is only required to be opened, and then the gas collecting bottle is taken out one by one. Compared with the prior art, the application can directly move the collection device which is installed in advance to a designated place and can realize the collection of the gas after a certain time, can collect a plurality of groups of gases for the subsequent test, can automatically seal the bottle mouth after the gas collection is completed, and greatly improves the convenience of gas collection and the sealing operation efficiency after the collection.

In summary, the application has the following technical effects:

1. The fixing disc for fixing a plurality of gas collecting cylinders is arranged in the gas collecting box body, so that the gas collecting device can collect the gases of a plurality of cylinder groups at the same time, and the pressure balance pipe and the inner and outer balance pipes keep smooth gas circulation in the collecting process, so that the gas collected in the gas collecting cylinder is more in line with the actual situation;

2. By arranging the active sealing piece, the bottle mouth of the gas collecting bottle can be automatically plugged into the bottle stopper to finish sealing after the collection operation is finished, so that environmental influence factors are reduced, and the sealing operation efficiency is improved;

3. Through setting up the clamping component for gas collection bottle stability after placing is better, and automatic stopper's of filling in process is also more reliable and stable after the gas collection simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of a gas collection device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a header tank in an embodiment of the application;

Fig. 3 is a cross-sectional view of a gas-collecting hood in an embodiment of the application.

In the figure, 1, a bottom plate; 11. a universal wheel; 12. an armrest; 2. a gas collecting tube; 21. a gas collecting hood; 211. a filter plate; 212. a rivet; 22. a telescopic part; 23. an air intake fan; 3. a gas collection box body; 31. an inner and outer balance tube; 311. an inner and outer check valve; 32. a cover plate; 321. a screw; 4. a fixed plate; 41. a fixing hole; 5. a gas collecting bottle; 51. a pressure balance tube; 52. a balanced check valve; 6. a clamping assembly; 61. a clamping plate; 62. a pressing plate; 7. an active seal; 71. a driving member; 72. a jacking plate; 721. placing the hole; 73. an auxiliary plate; 731. positioning holes; 732. a spring; 8. a bottle stopper; 81. a placement unit; 82. an insertion portion.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the test gas collecting device provided by the application comprises a bottom plate 1, wherein one side of the bottom plate 1 is provided with handrails 12, and four corners of the bottom plate 1 are provided with universal wheels 11 which are convenient to move.

The upper surface of the bottom plate 1 is provided with a gas collecting box body 3 and a gas collecting tube 2, wherein the top of the gas collecting box body 3 is in an opening shape, and the bottom of the gas collecting box body is fixed with the upper surface of the bottom plate 1. One end of the gas collecting tube 2 is communicated with the inside of the gas collecting box body 3, and the other end extends out of the gas collecting box body 3 and then vertically passes through the bottom plate 1 downwards so as to collect gas at a specified construction position in a short distance.

The bottom that gas collecting tube 2 worn out bottom plate 1 is provided with bellows-shaped telescopic portion 22, and the bottom of telescopic portion 22 is fixed to be provided with the gas collecting channel 21 of mutual intercommunication, and gas collecting channel 21 is the flaring form gradually towards the direction that deviates from bottom plate 1. In the process of actually collecting gas, the height between the gas collecting hood 21 and the ground can be adjusted by the corrugated pipe, so that the smooth gas collection is ensured, and meanwhile, sundries caused by direct contact with the ground are prevented from entering the gas collecting pipe 2. The flaring-shaped gas collecting hood 21 certainly improves the smoothness of the gas entering the gas collecting tube 2.

As shown in fig. 3, further, a filter plate 211 for filtering impurities is installed at the bottom of the gas collecting tube 2, and the filter plate 211 is connected with the bottom of the gas collecting hood 21 by rivets 212.

In a preferred embodiment, referring to fig. 1 and 2, in order to improve the gas collecting efficiency, an air inlet fan 23 is installed at the middle section of the gas collecting tube 2, and in the gas collecting process, the air inlet fan 23 is in an opened state, so as to improve the air inlet amount and the air inlet force.

The internally mounted of gas collection box 3 has fixed disk 4, and the edge of fixed disk 4 is fixed with the inner wall of gas collection box 3, and the intercommunication position of gas collecting tube 2 and gas collection box 3 is located the below of fixed disk 4, and a plurality of vertical fixed orifices 41 that link up have been seted up on fixed disk 4 surface, and a plurality of fixed orifices 41 can be the style of calligraphy and arrange, also can be along same circumference array, are used for placing gas collection bottle 5 in the fixed orifices 41.

The gas collection bottle 5 comprises a bottle body and a bottle opening, the diameter of the bottle opening is smaller than that of the bottle body, and before the gas collection work starts, the bottle opening of the gas collection bottle 5 faces downwards and is inserted into the fixing hole 41, so that gas to be collected entering from the gas collection tube 2 can enter the bottle body along the bottle opening, and the collection work is completed.

Further, the top cover of the gas collecting box 3 is provided with a cover plate 32, the cover plate 32 and the gas collecting box 3 are detachably and fixedly connected through screws 321, a plurality of groups of clamping assemblies 6 are arranged on the lower surface of the cover plate 32, and the plurality of groups of clamping assemblies 6 are in one-to-one correspondence with the fixing holes 41 so as to clamp and fix the gas collecting bottle 5 placed in the fixing holes 41.

Clamping assembly 6 includes splint 61 and clamp plate 62, splint 61 includes two, and two splint 61 are just right each other, splint 61 is fixed with the bottom of apron 32, in order to press from both sides tight gas collection bottle 5 better, set up the inboard of splint 61 into the arc of indent to laminate with the body of gas collection bottle 5, clamp plate 62 sets up between two splint 61, and clamp plate 62 and splint 61 fixed connection, clamp plate 62 laminates with the bottle bottom of gas collection bottle 5, thereby make apron 32 behind the lid, splint 61 and clamp plate 62 press from both sides tight location with gas collection bottle 5, improve the stability of placing of gas collection bottle 5.

In order to ensure the smoothness of the gas collecting process, a pressure balance pipe 51 is arranged on one side of the bottle body of the gas collecting bottle 5, the pressure balance pipe 51 is communicated with the interior of the bottle body, a balance one-way valve 52 is arranged on the pressure balance pipe 51, and the balance one-way valve 52 enables gas in the bottle body to smoothly flow out of the pressure balance pipe 51, but external gas cannot flow into the gas collecting bottle 5 from the pressure balance pipe 51.

One side of the gas collection box body 3 is communicated with an inner balancing pipe 31, the inner balancing pipe 31 is located above the fixed disc 4, and the inner balancing pipe 31 is used for communicating the inside of the gas collection box body 3 with the external environment. The inner and outer balance pipes 31 are provided with the inner and outer one-way valves 311, and the inner and outer one-way valves 311 enable gas in the gas collecting box body 3 to flow out from the inner and outer one-way valves 311 to the external environment, but the gas in the external environment cannot enter the gas collecting box body 3 along the inner and outer balance pipes 31.

The inner bottom of the gas collection box body 3 is provided with an active sealing piece 7 for sealing the gas collection bottle 5. The driving sealing member 7 comprises a driving member 71, a jacking plate 72 and an auxiliary plate 73, specifically, the driving member 71 is mounted at the inner bottom of the gas collecting tank body 3, the jacking plate 72 is located above the driving member 71, the jacking plate 72 and the inner wall of the gas collecting tank body 3 form a sliding fit in the vertical direction, the auxiliary plate 73 is arranged below the jacking plate 72, the periphery of the auxiliary plate 73 is fixedly connected with the inner wall of the gas collecting tank body 3, a plurality of springs 732 are arranged between the jacking plate 72 and the auxiliary plate 73, and two ends of the springs 732 are respectively fixed with the jacking plate 72 and the auxiliary plate 73.

The driving piece 71 can drive the jacking plate 72 to slide up and down, the driving piece 71 can be a hydraulic cylinder, a cylinder or an electric push rod, in this embodiment, the driving piece 71 adopts a cylinder, the cylinder body of the cylinder is fixed with the inner bottom of the gas collecting box 3, and the piston rod of the cylinder passes through the auxiliary plate 73 and is fixedly connected with the jacking plate 72.

A plurality of placement holes 721 are formed in the surface of the jacking plate 72, the placement holes 721 are in one-to-one correspondence with the fixing holes 41 on the fixing plate 4, and a plurality of positioning holes 731 are formed in the surface of the auxiliary plate 73 in one-to-one correspondence with the placement holes 721.

The bottle stopper 8 is placed in advance in the fixing hole 41, specifically, the bottle stopper 8 includes a placement portion 81 and an insertion portion 82, wherein the placement portion 81 is inserted into the placement hole 721 and the positioning hole 731, and a cross-sectional size of the insertion portion 82 is larger than the placement portion 81, so that the bottle stopper 8 can be erected on the jacking plate 72.

After the gas is collected for a period of time, the driving piece 71 is started, the driving piece 71 drives the jacking plate 72 to move upwards, so that the bottle plug 8 is driven to move upwards, the inserting portion 82 of the bottle plug 8 is matched with the inner wall of the bottle mouth of the gas collecting bottle 5, and therefore after the inserting portion 82 is inserted into the bottle mouth, the sealing treatment of the gas collecting bottle 5 can be completed.

After the gas is collected, an operator can open the cover plate 32 to take out the plurality of gas collection cylinders 5 one by one for standby. Compared with the prior art, the gas collection device is more convenient to collect gas, multiple groups of gas samples can be collected at one time, and the sample capacity required by the test is increased.

The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.

Claims

1. A test gas collection device, characterized in that: including bottom plate (1) with universal wheel (11), install open-top's gas collection box (3) on bottom plate (1), one side intercommunication of gas collection box (3) is provided with gas collecting tube (2), the one end that gas collecting tube (2) deviate from gas collection box (3) is vertical towards ground, gas collection box (3) internally mounted has fixed disk (4), the UNICOM position of gas collecting tube (2) and gas collection box (3) is located fixed disk (4) below, a plurality of fixed orifices (41) have been seted up on fixed disk (4), fixed orifice (41) interpolation is equipped with gas collection bottle (5), and the open-ended vertical downwardly of gas collection bottle (5), the top opening part lid of gas collection box (3) is equipped with apron (32).

2. A test gas collection device according to claim 1, wherein: one side of the gas collection bottle (5) is communicated with a pressure balance tube (51), and a balance one-way valve (52) for one-way outflow of gas in the bottle is arranged on the pressure balance tube (51).

3. A test gas collection device according to claim 2, wherein: an inner and outer balance pipe (31) communicated with the inside of the gas collecting box body (3) is arranged at the position, above the fixed disc (4), of one side of the gas collecting box body (3), and an inner and outer one-way valve (311) for one-way outflow of gas in the gas collecting box body (3) is arranged on the inner and outer balance pipe (31).

4. A test gas collection device according to claim 1, wherein: the lower surface of apron (32) is provided with a plurality of clamping components (6) that are used for centre gripping location gas collection bottle (5), and a plurality of clamping components (6) and a plurality of gas collection bottle (5) one-to-one.

5. A test gas collection apparatus as defined in claim 4, wherein: the clamping assembly (6) comprises two groups of clamping plates (61) which are used for being attached to the surface of the gas collection bottle (5) and a pressing plate (62) which is used for being attached to the bottom of the gas collection bottle (5), wherein the pressing plate (62) is located between the two groups of clamping plates (61) and fixedly connected with the two groups of clamping plates (61).

6. A test gas collection apparatus as defined in claim 5, wherein: the inner bottom of the gas collection box body (3) is provided with an active sealing piece (7), the active sealing piece (7) comprises a driving piece (71) and a jacking plate (72), the jacking plate (72) is in up-and-down sliding fit with the inner wall of the gas collection box body (3), the driving piece (71) is arranged at the inner bottom of the gas collection box body (3) and drives the jacking plate (72) to move up and down, and a placing hole (721) for placing a bottle plug (8) is formed in the jacking plate (72).

7. A test gas collection apparatus as defined in claim 6, wherein: the bottle stopper (8) comprises a placement part (81) for being inserted into the placement hole (721) and an insertion part (82) fixedly connected with the placement part (81) and used for being inserted into a bottle opening of the gas collection bottle (5), the cross section size of the insertion part (82) is larger than that of the placement part (81), and the insertion part (82) is in contact with the upper surface of the jacking plate (72).

8. A test gas collection apparatus as defined in claim 6, wherein: an auxiliary plate (73) is arranged below the jacking plate (72), the auxiliary plate (73) is fixed with the inner wall of the gas collecting box body (3), the auxiliary plate (73) is elastically connected with the jacking plate (72) through a plurality of springs (732), a plurality of positioning holes (731) opposite to the placement holes (721) are formed in the auxiliary plate (73), and the bottom of the bottle plug (8) penetrates through the placement holes (721) and then is inserted into the positioning holes (731).