CN109519672A - A kind of mine monitoring probe fixing device facilitating adjustment height - Google Patents
A kind of mine monitoring probe fixing device facilitating adjustment height Download PDFInfo
- Publication number
- CN109519672A CN109519672A CN201811484801.4A CN201811484801A CN109519672A CN 109519672 A CN109519672 A CN 109519672A CN 201811484801 A CN201811484801 A CN 201811484801A CN 109519672 A CN109519672 A CN 109519672A
- Authority
- CN
- China
- Prior art keywords
- fixed
- screw rod
- monitoring probe
- plate
- fixing piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 239000000523 sample Substances 0.000 title claims abstract description 38
- 206010058109 Hangnail Diseases 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 11
- 239000010962 carbon steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 244000025254 Cannabis sativa Species 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of mine monitoring probe fixing devices for facilitating adjustment height, including bottom plate, threaded screw rod, fixing piece and limit clamping plate, the top of the bottom plate is fixed with sleeve, and the side of sleeve is fixed with control panel, the internal sleeve of the sleeve is equipped with telescopic rod, and the top of telescopic rod is fixed with threaded screw rod by bearing block, the top of the threaded screw rod is equipped with fixed plate, and one end of fixed plate bottom is fixed with motor, the output end of the motor is connect by pulley mechanism with threaded screw rod, and drive block is provided on threaded screw rod, the threaded screw rod is fixed with fixed block far from the side of motor, the top of the fixed plate is fixed with top plate.This facilitates the mine monitoring probe fixing device of adjustment height by being equipped with bottom plate and top plate, is provided with spud pile on bottom plate and top plate, is evenly arranged with hangnail on spud pile, so that convenient for being completely embedded the fixed installation of device and grass and top.
Description
Technical field
The present invention relates to coal mines to detect auxiliary device technical field, and specially a kind of mine monitoring for facilitating adjustment height is visited
The fixed device of head.
Background technique
Coal mine is the proportional space that the mankind are excavated when digging is rich in the geological stratification for having coal, generally includes tunnel, well
Cave and face etc., since the buried depth of coal resources is different, general homology uses pit mining and strip mining transformation two
Kind of mode, the most important personal safety for being ensuring that exploitation worker of exploiting colliery in mine, so would generally use special
Mine monitoring probe comes temperature humidity and carbon dioxide content in monitoring mine etc..
The fixed most structure of device of current monitoring probe is simple, has a single function, such device is not easy to be fixedly mounted, surely
It is qualitative poor, and it is unable to satisfy the use of different height mine, while it is all mostly to be fixed on one that monitoring probe, which installs rear,
Place, can not be gone up and down, can not be monitored to the position of different height, and the limit clamping plate for being used to limit also is not easy to pacify
Dress and disassembly, the easy access and maintenance when breaking down, furthermore the anchor structure intensity and compressive property of such device compared with
Difference, get rusty easily damage, therefore is badly in need of a kind of mine monitoring probe fixing device for facilitating adjustment height to meet the need of people
It asks.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of mine monitoring probe fixing device for facilitating adjustment height
It is proposed that the fixed device of existing monitoring probe is not easy to be fixedly mounted in background technique, the mine that can not adapt to different height makes
With, the position of different height can not be monitored, limit clamping plate be also not easy to installation and removal and anchor structure intensity
Poor with compressive property, get rusty easily the problem of damaging.
To achieve the above object, the invention provides the following technical scheme: a kind of mine monitoring probe for facilitating adjustment height
Fixed device, including bottom plate, threaded screw rod, fixing piece and limit clamping plate, the top of the bottom plate are fixed with sleeve, and sleeve
Side is fixed with control panel, and the internal sleeve of the sleeve is equipped with telescopic rod, and the top of telescopic rod is fixed with by bearing block
Threaded screw rod, the top of the threaded screw rod is equipped with fixed plate, and one end of fixed plate bottom is fixed with motor, the motor
Output end connect with threaded screw rod by pulley mechanism, and drive block is provided on threaded screw rod, the threaded screw rod is remote
Side from motor is fixed with fixed block, and fixed block is equipped with fixing piece far from the side of drive block, the fixing piece it is interior
Portion is fixed with monitoring probe main body, and the both ends of fixing piece pass through adjusting screw rod and are fixed with limit clamping plate, the limit clamping plate
It is connect with monitoring probe main body, the fixing piece side wall is internally provided with carbon steel enhancement layer, and the two sides of carbon steel enhancement layer
Evenly distributed to have stiffness spring set, the outside of the fixing piece is uniformly coated with polytetrafluoroethylene (PTFE) anti-corrosion layer, the fixed plate
Top be fixed with top plate.
Preferably, the edge of the bottom plate and top plate is respectively and fixedly provided with spud pile, and hangnail is evenly arranged on spud pile.
Preferably, it is evenly arranged with screw hole on the telescopic rod, preformed hole, and preformed hole and spiral shell are provided on the sleeve
It is fixedly connected between hole by adjusting bolt, the telescopic rod and sleeve constitute telescoping mechanism.
Preferably, the side of the fixed block is provided with card slot, and the side of the fixing piece is provided with to match with card slot
Fixture block, and the lateral wall of fixture block sets left and right external screw thread, and the inner sidewall of card slot is provided with the internal screw thread to match with external screw thread, institute
It states fixing piece and fixed block constitutes installing and dismounting structure.
Preferably, the adjusting screw rod is about the distribution symmetrical above and below of monitoring probe main body.
Preferably, the inside of the carbon steel enhancement layer is evenly arranged with reinforcing rib, and the longitudinal section of reinforcing rib is in " work " word
Type structure.
Compared with prior art, the beneficial effects of the present invention are:
(1) this facilitates the mine monitoring probe fixing device of adjustment height by being equipped with bottom plate and top plate, bottom plate and top plate
On be provided with spud pile, hangnail is evenly arranged on spud pile, so that convenient for by the fixation of device and grass and top
Installation, be completely embedded, hangnail convenient for increase device stability so that using when be not easy to collapse
(2) this facilitates the mine monitoring probe fixing device of adjustment height by being equipped with sleeve, telescopic rod, preformed hole, screw hole
And bolt is adjusted, so that convenient for telescopic rod to be pulled out to suitable length from sleeve according to the height of mine, and pass through adjusting
Bolt fixes clamping, and convenient for meeting the use of different height mine, flexibility is high.
(3) this facilitates the mine monitoring probe fixing device of adjustment height by being equipped with motor, pulley mechanism, screw thread
Screw rod, drive block and fixing piece, threaded screw rod surface are provided with external screw thread, and the inner sidewall of drive block is provided with and external screw thread phase
The output end of matched internal screw thread, motor drives threaded screw rod rotation by pulley mechanism, so that drive block is in screw thread
It is slided up and down on screw rod, and then fixing piece is driven to move up and down, the adjusting of height is monitored, convenient for meeting the prison of different location
Survey demand.
(4) this facilitates the mine monitoring probe fixing device of adjustment height by being equipped with fixed block, card slot and fixture block,
The lateral wall of fixture block is provided with external screw thread, and the inner sidewall of card slot is provided with the internal screw thread to match with external screw thread, so that convenient for logical
It crosses the mode being threadedly coupled and fixing piece is subjected to installation and removal, while the both ends inside fixing piece are fixed by adjusting screw rod
Have limit clamping plate, convenient for being fixed to monitoring probe main body, convenient for monitoring probe main body of different specifications and sizes into
Row is fixed.
(5) this facilitates the mine monitoring probe fixing device of adjustment height by being internally provided with carbon in fixing piece side wall
Steel enhancement layer and stiffness spring set, convenient for improving apparatus structure intensity and compressive property, it is not easy to damage, conducive to making for a long time
With, and it is uniformly coated with polytetrafluoroethylene (PTFE) anti-corrosion layer in the outside of fixing piece, it can prevent from getting rusty, extend the use of device
Service life.
Detailed description of the invention
Fig. 1 is that the present invention faces the schematic diagram of the section structure；
Fig. 2 is that fixing piece of the present invention faces the schematic diagram of the section structure；
Fig. 3 is sleeve side structure schematic view of the present invention；
Fig. 4 is fixing piece sidewall profile structural schematic diagram of the present invention.
In figure: 1, bottom plate；2, control panel；3, bolt is adjusted；4, telescopic rod；5, threaded screw rod；6, motor；7, fixed
Plate；8, top plate；9, spud pile；10, pulley mechanism；11, drive block；12, monitoring probe main body；13, fixing piece；14, sleeve；
15, hangnail；16, fixed block；17, fixture block；18, card slot；19, adjusting screw rod；20, clamping plate is limited；21, preformed hole；22, screw hole；
23, stiffness spring set；24, polytetrafluoroethylene (PTFE) anti-corrosion layer；25, carbon steel enhancement layer；26, reinforcing rib.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of mine monitoring probe fixation facilitating adjustment height
Device, including bottom plate 1, threaded screw rod 5, fixing piece 13 and limit clamping plate 20, the top of bottom plate 1 is fixed with sleeve 14, and sleeve
14 side is fixed with control panel 2, and the internal sleeve of sleeve 14 is equipped with telescopic rod 4, is evenly arranged with screw hole 22 on telescopic rod 4,
Preformed hole 21 is provided on sleeve 14, and between preformed hole 21 and screw hole 22 by adjust bolt 3 be fixedly connected, telescopic rod 4 with
Sleeve 14 constitutes telescoping mechanism, convenient for meeting various use demands, and telescopic rod according to the length of the height adjustment device of mine
4 top is fixed with threaded screw rod 5 by bearing block, and the top of threaded screw rod 5 is equipped with fixed plate 7, and 7 bottom of fixed plate
One end is fixed with motor 6, and the output end of motor 6 is connect by pulley mechanism 10 with threaded screw rod 5, and is set on threaded screw rod 5
It is equipped with drive block 11, threaded screw rod 5 is fixed with fixed block 16 far from the side of motor 6, and fixed block 16 is far from drive block 11
Side is equipped with fixing piece 13, and the side of fixed block 16 is provided with card slot 18, and the side of fixing piece 13 is provided with and 18 phase of card slot
Matched fixture block 17, and the lateral wall of fixture block 17 sets left and right external screw thread, the inner sidewall of card slot 18 is provided with to match with external screw thread
Internal screw thread, fixing piece 13 and fixed block 16 constitute installing and dismounting structure, replacement fixing piece 13 easy to disassemble, fixing piece 13 it is interior
Portion is fixed with monitoring probe main body 12, and the both ends of fixing piece 13 pass through adjusting screw rod 19 and are fixed with limit clamping plate 20, limit
Clamping plate 20 is connect with monitoring probe main body 12, and adjusting screw rod 19 is about the distribution symmetrical above and below of monitoring probe main body 12, so that folder
Hold more stable, 13 side wall of fixing piece is internally provided with carbon steel enhancement layer 25, and the inside of carbon steel enhancement layer 25 is evenly arranged with
Reinforcing rib 26, and the longitudinal section of reinforcing rib 26 is in dies, convenient for improving apparatus structure intensity, and carbon steel enhancement layer 25
Two sides it is evenly distributed have stiffness spring cover 23, the outside of fixing piece 13 is uniformly coated with polytetrafluoroethylene (PTFE) anti-corrosion layer 24, Gu
The top of fixed board 7 is fixed with top plate 8, and bottom plate 1 and the edge of top plate 8 are respectively and fixedly provided with spud pile 9, and uniformly set on spud pile 9
It is equipped with hangnail 15, convenient for being completely embedded the fixed installation of device and grass and top, hangnail 15 is convenient for increase device
Stability.
Working principle: when in use, monitoring probe main body 12 is fixed in fixing piece 13 first, inside fixing piece 13
Both ends pass through adjusting screw rod 19 be fixed with limit clamping plate 20, convenient for being fixed to monitoring probe main body 12, convenient for pair
Monitoring probe main body 12 of different specifications and sizes is fixed, and is later taken out telescopic rod 4 from sleeve 14 according to the height of mine
Suitable length out, and by adjusting the fixed clamping of bolt 3, device is consolidated by bottom plate 1 and the spud pile 9 on top plate 8 later
Dingan County is in mine, and after connecing electricity, motor 6 is rotated, since 5 surface of threaded screw rod is provided with external screw thread, the inside of drive block 11
Wall is provided with the internal screw thread to match with external screw thread, and the output end of motor 6 drives threaded screw rod 5 to revolve by pulley mechanism 10
Turn, so that drive block 11 slides up and down on threaded screw rod 5, and then drives fixing piece 13 to move up and down, is monitored height
The adjusting of degree, convenient for meeting the monitoring requirements of different location, 13 side wall of fixing piece be internally provided with carbon steel enhancement layer 25 with
And stiffness spring set 23, convenient for improving apparatus structure intensity and compressive property, it is not easy to damage, be conducive to be used for a long time, Er Qie
The outside of fixing piece 13 is uniformly coated with polytetrafluoroethylene (PTFE) anti-corrosion layer 24, can prevent from getting rusty, extend the service life of device.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of mine monitoring probe fixing device for facilitating adjustment height, including bottom plate (1), threaded screw rod (5), fixing piece
(13) and clamping plate (20) are limited, it is characterised in that: the top of the bottom plate (1) is fixed with sleeve (14), and the one of sleeve (14)
Side is fixed with control panel (2), and the internal sleeve of the sleeve (14) is equipped with telescopic rod (4), and the top of telescopic rod (4) passes through axis
Seat to be held to be fixed with threaded screw rod (5), the top of the threaded screw rod (5) is equipped with fixed plate (7), and fixed plate (7) bottom
One end is fixed with motor (6), and the output end of the motor (6) is connect by pulley mechanism (10) with threaded screw rod (5), and spiral shell
It being provided on line screw rod (5) drive block (11), the threaded screw rod (5) is fixed with fixed block (16) far from the side of motor (6),
And fixed block (16) is equipped with fixing piece (13) far from the side of drive block (11), the inside of the fixing piece (13) is fixed with prison
It surveys probe body (12), and the both ends of fixing piece (13) pass through adjusting screw rod (19) and are fixed with limit clamping plate (20), the limit
Position clamping plate (20) is connect with monitoring probe main body (12), and fixing piece (13) side wall is internally provided with carbon steel enhancement layer
(25), and the two sides of carbon steel enhancement layer (25) are evenly distributed has stiffness spring set (23), and the outside of the fixing piece (13) is uniform
Coated with polytetrafluoroethylene (PTFE) anti-corrosion layer (24), the top of the fixed plate (7) is fixed with top plate (8).
2. a kind of mine monitoring probe fixing device for facilitating adjustment height according to claim 1, it is characterised in that: institute
The edge for stating bottom plate (1) and top plate (8) is respectively and fixedly provided with spud pile (9), and hangnail (15) are evenly arranged on spud pile (9).
3. a kind of mine monitoring probe fixing device for facilitating adjustment height according to claim 1, it is characterised in that: institute
State and be evenly arranged on telescopic rod (4) screw hole (22), is provided with preformed hole (21) on the sleeve (14), and preformed hole (21) with
It is fixedly connected between screw hole (22) by adjusting bolt (3), the telescopic rod (4) and sleeve (14) constitute telescoping mechanism.
4. a kind of mine monitoring probe fixing device for facilitating adjustment height according to claim 1, it is characterised in that: institute
The side for stating fixed block (16) is provided with card slot (18), and the side of the fixing piece (13) is provided with to match with card slot (18)
Fixture block (17), and the lateral wall of fixture block (17) sets left and right external screw thread, the inner sidewall of card slot (18) is provided with to match with external screw thread
Internal screw thread, the fixing piece (13) and fixed block (16) constitute installing and dismounting structure.
5. a kind of mine monitoring probe fixing device for facilitating adjustment height according to claim 1, it is characterised in that: institute
Adjusting screw rod (19) is stated about monitoring probe main body (12) distribution symmetrical above and below.
6. a kind of mine monitoring probe fixing device for facilitating adjustment height according to claim 1, it is characterised in that: institute
The inside for stating carbon steel enhancement layer (25) is evenly arranged with reinforcing rib (26), and the longitudinal section of reinforcing rib (26) is in " I " fonts knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484801.4A CN109519672A (en) | 2018-12-05 | 2018-12-05 | A kind of mine monitoring probe fixing device facilitating adjustment height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484801.4A CN109519672A (en) | 2018-12-05 | 2018-12-05 | A kind of mine monitoring probe fixing device facilitating adjustment height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109519672A true CN109519672A (en) | 2019-03-26 |
Family
ID=65794213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484801.4A Pending CN109519672A (en) | 2018-12-05 | 2018-12-05 | A kind of mine monitoring probe fixing device facilitating adjustment height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519672A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190902A (en) * | 2019-06-05 | 2019-08-30 | 姜海 | A kind of optical network terminal |
| CN110412238A (en) * | 2019-08-30 | 2019-11-05 | 贵州大学 | A kind of gas cane of telescopic collection of coal mine mine gas |
| CN110454670A (en) * | 2019-08-01 | 2019-11-15 | 安徽赛安安全设备有限责任公司 | Adjustable gas detects mounting device |
| CN110487969A (en) * | 2019-08-29 | 2019-11-22 | 贵州大学 | A kind of coal mine monitoring device with monitoring oxygen concentration content |
| CN112234750A (en) * | 2020-09-28 | 2021-01-15 | 瑞德(新乡)路业有限公司 | Durable electric push rod |
| CN113819350A (en) * | 2020-06-18 | 2021-12-21 | 陈倩 | Monitoring device for manual restoration of soil resource environment |
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| CN107443248A (en) * | 2017-09-01 | 2017-12-08 | 吴步晨 | A kind of spacing adjustable type glass clamping device |
| CN207700087U (en) * | 2017-12-07 | 2018-08-07 | 天津禾奇信息技术有限公司 | A kind of bus station's monitoring device adjusting height convenient for the later stage |
| CN207795286U (en) * | 2018-01-29 | 2018-08-31 | 裴春敏 | A kind of temporary supporter for mine tunnel |
| CN108488586A (en) * | 2018-05-21 | 2018-09-04 | 湖北工程职业学院 | A kind of computer display retractable support structure |
| CN108612484A (en) * | 2018-05-22 | 2018-10-02 | 北京鼎翰科技有限公司 | A kind of constructing tunnel splits wall machine with high efficient driving |
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| CN204686081U (en) * | 2015-05-01 | 2015-10-07 | 安庆安星电气有限公司 | A kind of radial drilling machine |
| CN107443248A (en) * | 2017-09-01 | 2017-12-08 | 吴步晨 | A kind of spacing adjustable type glass clamping device |
| CN207700087U (en) * | 2017-12-07 | 2018-08-07 | 天津禾奇信息技术有限公司 | A kind of bus station's monitoring device adjusting height convenient for the later stage |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190902A (en) * | 2019-06-05 | 2019-08-30 | 姜海 | A kind of optical network terminal |
| CN110454670A (en) * | 2019-08-01 | 2019-11-15 | 安徽赛安安全设备有限责任公司 | Adjustable gas detects mounting device |
| CN110454670B (en) * | 2019-08-01 | 2021-07-20 | 安徽赛安安全设备有限责任公司 | Adjustable gas detection mounting device |
| CN110487969A (en) * | 2019-08-29 | 2019-11-22 | 贵州大学 | A kind of coal mine monitoring device with monitoring oxygen concentration content |
| CN110412238A (en) * | 2019-08-30 | 2019-11-05 | 贵州大学 | A kind of gas cane of telescopic collection of coal mine mine gas |
| CN113819350A (en) * | 2020-06-18 | 2021-12-21 | 陈倩 | Monitoring device for manual restoration of soil resource environment |
| CN112234750A (en) * | 2020-09-28 | 2021-01-15 | 瑞德(新乡)路业有限公司 | Durable electric push rod |
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| PB01 | Publication | ||
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Application publication date: 20190326 |