CN221402396U - Tunnel gas monitoring device on undulating ground - Google Patents
Tunnel gas monitoring device on undulating ground Download PDFInfo
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- CN221402396U CN221402396U CN202323406957.XU CN202323406957U CN221402396U CN 221402396 U CN221402396 U CN 221402396U CN 202323406957 U CN202323406957 U CN 202323406957U CN 221402396 U CN221402396 U CN 221402396U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel gas monitoring device for undulating ground, which belongs to the field of gas monitoring equipment and comprises a support frame, wherein the support frame comprises a central rod and at least three foundation rods hinged to the bottom of the central rod, and a plurality of foundation rods are uniformly arranged around the peripheral surface of the central rod in a surrounding manner; the gas monitor body is fixedly arranged at the top end of the central rod; each foundation rod is a telescopic rod which can be independently telescopic; the beneficial effects of the utility model are as follows: the gas monitoring body is fixed through the support frame that can independently stretch out and draw back of setting up the unilateral for more convenient when monitoring gas in the tunnel, more adapt to the uneven ground of fluctuation in the tunnel, do not need handheld monitoring, also do not need to borrow other equipment to fix, use manpower sparingly material resources.
Description
Technical Field
The utility model relates to the technical field of gas monitoring equipment, in particular to a tunnel gas monitoring device for undulating ground.
Background
Hydrocarbon-producing strata such as coal formations can be traversed when a tunnel is built, and gas can escape in a large amount during the construction process of the gas tunnel, particularly after the tunnel face is excavated, so that the concentration of the gas in the tunnel is increased. The too high gas concentration can cause fire disaster, explosion and personnel suffocation in the tunnel, so that the gas concentration in the gas tunnel needs to be monitored in the tunnel construction process, the problems of gas accumulation and gas protrusion are avoided, and careful selection is needed on gas concentration monitoring equipment.
A gas safety monitoring device is disclosed in a patent document with the publication number CN219034824U, but the gas safety monitoring device has some drawbacks, when a large amount of gas escapes after the tunnel face is excavated, the gas concentration in the tunnel rapidly and rapidly increases, and if the gas concentration near the tunnel face is to be monitored, a manual gas monitor is needed to be used for measuring the gas concentration on the tunnel face, which may cause life and property threats to staff; the gas concentration of a plurality of positions near the tunnel face can not be measured simultaneously by holding the gas monitor under the single condition, otherwise, the number of people needs to be increased, and if the number of people is increased, the labor cost is increased.
An automatic monitoring device for tunnel gas is disclosed in a patent document with publication number of CN219606599U, although the device is not held by hand, the device has some defects that mountain tunnels are frequently excavated by a step method, so that a lot of broken stones with different sizes are accumulated on the ground near the face of an upper step, the ground is fluctuant, and in rainy seasons, the ground in the tunnel has a mixture of water and mud; thus, it is difficult to move on such rough ground by only using the road wheels, otherwise the wheels should be designed to be as large as the wheels of the vehicle, and the use is inconvenient.
Therefore, we propose a tunnel gas monitoring device for undulating ground.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a tunnel gas monitoring device for undulating ground.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
The tunnel gas monitoring device comprises a support frame, wherein the support frame comprises a central rod and at least three foundation rods hinged to the bottom of the central rod, and the foundation rods are uniformly arranged around the peripheral surface of the central rod in a surrounding manner; the gas monitor body is fixedly arranged at the top end of the central rod; each foundation rod is a telescopic rod which can be independently telescopic.
Through at a support frame, the foundation pole of support frame bottom is the telescopic link, sets up the gas detector body on the center pole of support frame, so make the bottom many foundation poles of support frame all can stretch out and draw back alone, the uneven ground of fluctuation in the adaptation tunnel like this need not borrow other equipment when carrying out the gas monitoring in the tunnel that is uneven to the ground fluctuation to also need not manual handheld monitor, safer, also more use manpower and materials.
Further limited, the three foundation rods are arranged, the top ends of the three foundation rods are hinged to the sliding sleeve, the sliding sleeve is sleeved on the central rod in an empty mode, and the sliding sleeve is provided with a limiting structure for preventing the sliding sleeve from sliding freely on the central rod; the bottom end of the central rod is fixedly provided with a fixed sleeve, the peripheral surface of the fixed sleeve is hinged with connecting rods which are matched with the central rods in number, and the outer ends of the connecting rods are hinged on the foundation rod; through setting up three foundation pole, pass through the connecting rod with the foundation pole and articulate in the bottom of well core rod, the empty cover of slip sleeve can make we draw in the foundation pole when not using and conveniently accomodate, and limit structure can make we can not freely slide when using and lead to the support frame to collapse.
Further limited, each foundation rod comprises a foundation outer rod and a foundation inner rod, the outer end of the foundation outer rod is provided with a locking device for locking the foundation inner rod, the outer end of the connecting rod is hinged on the foundation outer rod, and the top end of the foundation outer rod is hinged on the sliding sleeve; the telescopic structure is characterized in that the foundation outer rod and the foundation inner rod are arranged to realize telescopic structure, the structure is simple, and the locking device locks the foundation outer rod and the foundation inner rod after telescopic structure, so that the telescopic structure is more stable.
Further limited, the central rod is also a telescopic rod, and comprises a central outer rod, a first inner rod and a second inner rod from bottom to top, wherein the outer diameter of the first inner rod is matched with the inner diameter of the central outer rod, the outer diameter of the second inner rod is matched with the inner diameter of the first inner rod, the top end of the central outer rod is provided with a locking device for locking the first inner rod, and the top end of the first inner rod is also provided with a locking device for locking the second inner rod; the center rod is also arranged to be a telescopic rod, so that the height of the gas monitor body in the vertical direction can be adjusted, and the telescopic rod arranged to be three sections can ensure the extending length and simultaneously promote the stability of the center rod.
Further limiting that an anti-slip rubber sleeve is arranged at the bottom end of the foundation inner rod; the anti-slip rubber sleeve is arranged at the bottom end of the foundation inner rod, so that the friction force between the foundation inner rod and the ground can be increased, and the overall stability of the device is improved.
Further limiting, the limiting structure comprises a limiting bolt and a limiting hole, wherein the limiting hole is formed in the peripheral surface of the sliding sleeve, and the limiting bolt is in threaded connection with the limiting hole; the periphery of the limit sleeve is provided with a hinge lug matched with the top end of the basic outer rod, the top end of the basic outer rod is hinged in the hinge lug through a hinge shaft, and the top of the hinge lug is provided with a baffle; the limiting bolts are screwed into the limiting holes to limit the central rod, so that the central rod is very stable in stress application, and the baffle is arranged at the top of the sliding sleeve, so that the foundation outer rod can be prevented from being folded upwards to cause damage.
Further limiting, the top end of the second inner rod is fixedly provided with a horizontal tray, the gas monitor body is fixedly arranged on the tray, the edge ring of the tray is provided with a magnetic attraction ring, the tray is provided with a metal protection cover, the protection cover is fixed on the tray through the magnetic attraction ring, and a plurality of vent holes are formed in the protection cover; through setting up a tray, fix the gas monitor body on the tray, protect through a safety cover and can prevent that the rubble from causing the damage to the gas monitor body to connect safety cover and tray through the mode that the magnetism was inhaled and fix more convenient dismantlement.
Further limited, the peripheral surfaces of the outer end head of the foundation outer rod, the top end head of the center outer rod and the top end head of the first inner rod are provided with locking grooves along the respective axial directions, the locking device comprises a left locking hoop and a right locking hoop, the tail part of the left locking hoop is hinged with the tail part of the right locking hoop, and the head parts of the left locking hoop and the right locking hoop are fixed through locking bolts; the left locking hoop and the right locking hoop can be slightly deformed in the tightening process of the locking bolt by the locking groove, so that the inner rod is held tightly.
The beneficial effects of the utility model are as follows: the gas monitoring body is fixed through the support frame that can independently stretch out and draw back of setting up the unilateral for more convenient when monitoring gas in the tunnel, more adapt to the uneven ground of fluctuation in the tunnel, do not need handheld monitoring, also do not need to borrow other equipment to fix, use manpower sparingly material resources.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a sliding sleeve;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
Fig. 4 is a top view of the tray.
Wherein the symbols of the components are as follows:
the gas monitor comprises a central rod 1, a central outer rod 11, a first inner rod 12, a second inner rod 13, a foundation rod 2, a foundation outer rod 21, a foundation inner rod 22, an anti-slip rubber sleeve 23, a locking device 3, a left locking hoop 31, a right locking hoop 32, a locking bolt 33, a sliding sleeve 4, a hinge lug 41, a baffle 42, a limit bolt 5, a fixing sleeve 6, a connecting rod 7, a tray 8, a magnetic attraction ring 81, a protective cover 9, a vent hole 91, a locking groove 10 and a gas monitor body 14.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
Examples:
As shown in fig. 1-4, a tunnel gas monitoring device for undulating ground comprises a supporting frame, wherein the supporting frame comprises a central rod 1 and three foundation rods 2 hinged to the bottom of the central rod 1, the three foundation rods 2 are uniformly arranged around the peripheral surface of the central rod 1 in a surrounding manner, each foundation rod 2 is a telescopic rod which can be independently telescopic, each foundation rod 2 comprises a foundation outer rod 21 and a foundation inner rod 22, and an anti-skid rubber sleeve 23 is arranged at the bottom end of each foundation inner rod 22; the outer end of the foundation outer rod 21 is provided with a locking device 3 for locking the foundation inner rod 22, the top end of the foundation outer rod 21 is hinged on a sliding sleeve 4, the sliding sleeve 4 is sleeved on the central rod 1 in an empty mode, and the sliding sleeve 4 is provided with a limiting structure for preventing the sliding sleeve 4 from sliding on the central rod 1 freely; the limiting structure comprises a limiting bolt 5 and a limiting hole, wherein the limiting hole is formed in the peripheral surface of the sliding sleeve 4, and the limiting bolt 5 is in threaded connection with the limiting hole; the periphery of the limit sleeve is provided with a hinge lug 41 matched with the top end of the basic outer rod 21, the top end of the basic outer rod 21 is hinged in the hinge lug 41 through a hinge shaft, and the top of the hinge lug 41 is provided with a baffle 42; the bottom end of the central rod 1 is fixedly provided with a fixed sleeve 6, the peripheral surface of the fixed sleeve 6 is hinged with connecting rods 7 which are matched with the central rod 1 in number, and the outer end of each connecting rod 7 is hinged on a basic outer rod 21; the central rod 1 is also a telescopic rod and comprises a central outer rod 11, a first inner rod 12 and a second inner rod 13 from bottom to top, wherein the outer diameter of the first inner rod 12 is matched with the inner diameter of the central outer rod 11, the outer diameter of the second inner rod 13 is matched with the inner diameter of the first inner rod 12, the top end of the central outer rod 11 is provided with a locking device 3 for locking the first inner rod 12, and the top end of the first inner rod 12 is also provided with a locking device 3 for locking the second inner rod 13; the top end of the second inner rod 13 is fixedly provided with a horizontal tray 8, the gas monitor body 14 is fixedly arranged on the tray 8, a magnetic attraction ring 81 is arranged on the edge ring of the tray 8, a metal protection cover 9 is arranged on the tray 8, the protection cover 9 is fixed on the tray 8 through the magnetic attraction ring 81, and a plurality of vent holes 91 are formed in the protection cover 9; the outer end of the base outer rod 21, the top end of the center outer rod 11, and the circumferential surface of the top end of the first inner rod 12 are provided with locking grooves 10 along the respective axial directions, and the locking device 3 comprises a left locking band 31 and a right locking band 32, the tail of the left locking band 31 and the tail of the right locking band 32 are hinged, and the heads of the left locking band 31 and the right locking band 32 are fixed by locking bolts 33.
Through at a support frame, the foundation pole 2 of support frame bottom is the telescopic link, with the gas detector body setting on the central pole 1 of support frame, so make the bottom of support frame many foundation poles 2 all can stretch out and draw back alone, adapt to the uneven ground in the tunnel, do not need to borrow other equipment when carrying out the gas monitoring in the tunnel that the ground is uneven like this to also do not need manual hand to monitor, safer, also more save manpower and materials; through setting up three foundation bars 2, with foundation bar 2 through connecting rod 7 articulated in the bottom of center pole 1, slide sleeve 4 empty cover can make we draw in foundation bar 2 when not using and conveniently accomodate, and limit structure can make we can not freely slide when using and lead to the support frame to collapse by slide sleeve 4; the foundation outer rod 21 and the foundation inner rod 22 are arranged to realize the extension and retraction, the structure is simple, and the locking device 3 locks the foundation outer rod 21 and the foundation inner rod 22 after the extension and retraction, so that the structure is more stable; the center rod 1 is also arranged as a telescopic rod, so that the height of the gas monitor body 14 in the vertical direction can be adjusted, and the telescopic rod arranged as a three-section type can improve the stability of the center rod 1 while guaranteeing the extension length; an anti-slip rubber sleeve 23 is arranged at the bottom end of the foundation inner rod 22, so that the friction force between the foundation inner rod 22 and the ground can be increased, and the overall stability of the device is improved; the limiting bolts 5 are screwed into the limiting holes to limit and stabilize the stress applied to the central rod 1, and the baffle plate 42 is arranged at the top of the sliding sleeve 4 to prevent the foundation outer rod 21 from being damaged due to upward turning; the gas monitor body 14 is fixed on the tray 8 by arranging the tray 8, broken stone can be prevented from damaging the gas monitor body 14 by protecting the gas monitor body by the protective cover 9, and the protective cover 9 and the tray 8 are connected and fixed in a magnetic manner, so that the gas monitor is more convenient to detach; the locking groove 10 is formed, so that the left locking hoop 31 and the right locking hoop 32 slightly deform the end of the rod body in the screwing process of the locking bolt 33, and the inner rod is held tightly.
It should be noted that the locking devices at different positions have the same structure and function, so that only one type of identification mark is adopted.
Claims (8)
1. A tunnel gas monitoring device for undulating ground, comprising:
The support frame comprises a center rod (1) and base rods (2) hinged to the bottom of the center rod (1), wherein at least three base rods (2) are arranged, and a plurality of base rods (2) are uniformly arranged around the peripheral surface of the center rod (1) in a surrounding mode;
The gas monitor body (14), the gas monitor body (14) is fixedly arranged at the top end of the central rod (1);
Each foundation rod (2) is a telescopic rod which can be independently telescopic.
2. Tunnel gas monitoring device on undulating ground according to claim 1, characterized in that the foundation bars (2) are provided with three, the top ends of the three foundation bars (2) are all hinged on a sliding sleeve (4), the sliding sleeve (4) is sleeved on the central bar (1) in an empty way, and a limiting structure is arranged on the sliding sleeve (4) to prevent the sliding sleeve (4) from sliding freely on the central bar (1);
The bottom end fixing of the center rod (1) is provided with a fixing sleeve (6), connecting rods (7) matched with the center rod (1) in number are hinged to the peripheral surface of the fixing sleeve (6), and the outer ends of the connecting rods (7) are hinged to the foundation rod (2).
3. Tunnel gas monitoring device on undulating floor according to claim 2, characterized in that each foundation bar (2) comprises a foundation outer bar (21) and a foundation inner bar (22), the outer end of the foundation outer bar (21) is provided with a locking device (3) for locking the foundation inner bar (22), the outer end of the connecting bar (7) is hinged on the foundation outer bar (21), and the top end of the foundation outer bar (21) is hinged on the sliding sleeve (4).
4. A tunnel gas monitoring device on undulating floor according to claim 3, wherein the central rod (1) is also a telescopic rod, and comprises a central outer rod (11), a first inner rod (12) and a second inner rod (13) from bottom to top, wherein the outer diameter of the first inner rod (12) is matched with the inner diameter of the central outer rod (11), the outer diameter of the second inner rod (13) is matched with the inner diameter of the first inner rod (12), the top end of the central outer rod (11) is provided with a locking device (3) for locking the first inner rod (12), and the top end of the first inner rod (12) is also provided with a locking device (3) for locking the second inner rod (13).
5. A tunnel gas monitoring device on undulating floor according to claim 3, wherein the bottom end of the foundation inner rod (22) is provided with an anti-slip rubber sleeve (23).
6. A tunnel gas monitoring device on undulating ground according to claim 3, wherein the limit structure comprises a limit bolt (5) and a limit hole, the limit Kong Kaishe is on the peripheral surface of the sliding sleeve (4), and the limit bolt (5) is screwed in the limit hole;
The periphery of the limit sleeve is provided with a hinge lug (41) matched with the top end of the foundation outer rod (21), the top end of the foundation outer rod (21) is hinged in the hinge lug (41) through a hinge shaft, and the top of the hinge lug (41) is provided with a baffle (42).
7. Tunnel gas monitoring device on undulating floor according to claim 4, characterized in that the top end of the second inner rod (13) is fixedly provided with a horizontal tray (8), the gas monitor body (14) is fixedly arranged on the tray (8), the edge ring of the tray (8) is provided with a magnetic attraction ring (81), the tray (8) is provided with a metal protection cover (9), the protection cover (9) is fixed on the tray (8) through the magnetic attraction ring (81), and the protection cover (9) is provided with a plurality of ventilation holes (91).
8. Tunnel gas monitoring device on undulating floor according to claim 4, characterized in that locking grooves (10) are formed on the peripheral surfaces of the outer end of the foundation outer rod (21), the top end of the center outer rod (11) and the top end of the first inner rod (12) along the respective axial directions, the locking device (3) comprises a left locking hoop (31) and a right locking hoop (32), the tail of the left locking hoop (31) is hinged with the tail of the right locking hoop (32), and the heads of the left locking hoop (31) and the right locking hoop (32) are fixed by locking bolts (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323406957.XU CN221402396U (en) | 2023-12-13 | 2023-12-13 | Tunnel gas monitoring device on undulating ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323406957.XU CN221402396U (en) | 2023-12-13 | 2023-12-13 | Tunnel gas monitoring device on undulating ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221402396U true CN221402396U (en) | 2024-07-23 |
Family
ID=91942407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323406957.XU Active CN221402396U (en) | 2023-12-13 | 2023-12-13 | Tunnel gas monitoring device on undulating ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221402396U (en) |
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2023
- 2023-12-13 CN CN202323406957.XU patent/CN221402396U/en active Active
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