CN221037706U - Novel mining oval goaf temperature measurement cable protection of class device - Google Patents
Novel mining oval goaf temperature measurement cable protection of class device Download PDFInfo
- Publication number
- CN221037706U CN221037706U CN202322725290.3U CN202322725290U CN221037706U CN 221037706 U CN221037706 U CN 221037706U CN 202322725290 U CN202322725290 U CN 202322725290U CN 221037706 U CN221037706 U CN 221037706U
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- pressure
- bearing
- temperature
- bottom plate
- steel ring
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 33
- 238000005065 mining Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 239000004519 grease Substances 0.000 claims abstract description 15
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 32
- 238000007906 compression Methods 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 32
- 239000003245 coal Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a novel mining elliptical goaf temperature measurement cable protection device, which comprises an outer protection pressure-bearing protection shell, a temperature measurement cable, an annular pressure-resistant steel ring, heat conduction silicone grease, fixing bolts and a pressure-bearing bottom plate, wherein the outer protection pressure-bearing protection shell is fixedly arranged on the surface of the pressure-bearing bottom plate through the fixing bolts, the temperature measurement cable and the annular pressure-resistant steel ring are arranged between the outer protection pressure-bearing protection shell and the pressure-bearing bottom plate, the heat conduction silicone grease is filled in the outer protection pressure-bearing protection shell and the pressure-bearing bottom plate, and the outer protection pressure-bearing protection shell and the annular pressure-bearing steel ring can effectively prevent falling matters in the goaf from striking the temperature measurement cable, so that a temperature sensing optical fiber is broken, and the arranged temperature sensing channel and the heat conduction silicone grease can effectively conduct the change condition of the temperature in the goaf to the temperature measurement cable, so that the temperature measurement cable can sensitively sense the change of the external environment temperature, and further feed back the goaf temperature information in real time.
Description
Technical Field
The utility model belongs to the technical field of cable protection, and particularly provides a novel mining elliptical goaf temperature measurement cable protection device.
Background
In the coal seam mining process, a large amount of residual coal remained in the goaf provides a material condition for natural ignition of the goaf. The spontaneous combustion of the goaf occupies an important part in the overall coal mine fire, so that the early warning of the spontaneous combustion of the goaf is particularly important. The reason has contributed to the birth and development of goaf fire early warning system, and current goaf fire early warning system mainly includes temperature measurement optic fibre, photoelectric signal conversion module and signal processing early warning module. In the use process of the fire disaster early warning system, the change of the goaf temperature changes the optical signal in the temperature measuring optical fiber, and the real-time on-line monitoring and grading early warning of the goaf temperature are realized through the conversion and the information processing of the photoelectric signal.
When the temperature measuring optical fiber is used underground, the temperature measuring optical fiber is required to be distributed in a complex environment of an underground goaf, and is influenced by periodic pressing of a top plate of the goaf and bending sinking of the top plate, and the conditions such as falling rocks and falling of a protection coal pillar occur in some cases, so that the temperature measuring optical fiber can be broken, and the whole goaf fire early-warning and monitoring system is paralyzed. Meanwhile, the goaf temperature measurement cable protection device also needs to have good heat transfer performance, and can sensitively reflect the temperature rise change of the monitored goaf. Therefore, a novel mining elliptical goaf temperature measurement cable protection device needs to be designed.
Disclosure of utility model
In order to solve the problems, the utility model provides a novel mining elliptical goaf temperature measurement cable protection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel mining class oval goaf temperature measurement cable protection device, includes outer pressure-bearing protective housing, temperature measurement cable, annular resistance to compression steel ring, heat conduction silicone grease, fixing bolt and pressure-bearing bottom plate, outer pressure-bearing protective housing passes through fixing bolt fixed mounting in pressure-bearing bottom plate's surface, and pressure-bearing bottom plate passes through fixing bolt to be fixed on the coal seam bottom plate, temperature sensing passageway has evenly been seted up on outer pressure-bearing protective housing and pressure-bearing bottom plate's surface, temperature measurement cable and annular resistance to compression steel ring set up between outer pressure-bearing protective housing and pressure-bearing bottom plate, and in annular resistance to compression steel ring is arranged in to the temperature measurement cable, heat conduction silicone grease fills in outer pressure-bearing protective housing and pressure-bearing bottom plate.
The outer protection pressure-bearing protective shell is in an elliptical-like shape in the radial direction of the temperature measuring cable.
Further, the material of outer protection pressure-bearing protective housing is resistance to compression steel, and the thickness of outer protection pressure-bearing protective housing is 15mm.
Further, the diameter of the temperature sensing channel is 5mm.
Further, the material of annular resistance to compression steel ring is resistance to compression steel, and the thickness of annular resistance to compression steel ring is 10mm, the outer wall laminating of annular resistance to compression steel ring is in the inner wall of outer protection pressure-bearing protective housing and pressure-bearing bottom plate, every the length of annular resistance to compression steel ring is 30mm, adjacent annular resistance to compression steel ring interval is 300mm.
Further, the temperature measurement cable is located the downside of annular resistance to compression steel ring inner chamber, and leaves the space between the outer wall of temperature measurement cable and the inner wall upside of annular resistance to compression steel ring.
The beneficial effects of using the utility model are as follows:
According to the utility model, the outer protection pressure-bearing protective shell and the annular pressure-bearing steel ring can effectively prevent falling objects in the goaf from impacting the temperature-measuring cable, so that the temperature-sensing optical fibers are broken, and the heat-conducting silicone grease filled in the cavities between the outer protection pressure-bearing protective shell and the pressure-bearing bottom plate and the outer protection pressure-bearing protective shell can effectively conduct the change condition of the temperature in the goaf to the temperature-measuring cable, so that the temperature-measuring cable can sensitively sense the change of the external environment temperature, and further feedback the goaf temperature information in real time.
The outer protection bearing protective shell is designed into an elliptical curved surface structure, so that the pressure borne by the outer protection bearing protective shell can be better dispersed, and impact caused by the collapse of the old roof of a goaf can be effectively resisted.
Drawings
Fig. 1 is a cross-sectional view of the structure of the present utility model.
The reference numerals include: 1. the outer protection pressure-bearing protective shell comprises a temperature sensing channel, a temperature measuring cable, an annular pressure-resistant steel ring, heat-conducting silicone grease, a fixing bolt, a pressure-bearing bottom plate and a pressure-bearing bottom plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a novel mining oval goaf temperature measurement cable protection device comprises an outer protection pressure-bearing protection shell 1, a temperature measurement cable 3, an annular pressure-resistant steel ring 4, heat conduction silicone grease 5, fixing bolts 6 and a pressure-bearing bottom plate 7, wherein the outer protection pressure-bearing protection shell 1 is fixedly installed on the surface of the pressure-bearing bottom plate 7 through the fixing bolts 6, the pressure-bearing bottom plate 7 is fixed on a coal seam bottom plate through the fixing bolts 6, temperature sensing channels 2 are uniformly formed in the surfaces of the outer protection pressure-bearing protection shell 1 and the pressure-bearing bottom plate 7, the temperature measurement cable 3 and the annular pressure-resistant steel ring 4 are arranged between the outer protection pressure-bearing protection shell 1 and the pressure-bearing bottom plate 7, the temperature measurement cable 3 is arranged in the annular pressure-resistant steel ring 4, and the heat conduction silicone grease 5 is filled in the outer protection pressure-bearing protection shell 1 and the pressure-bearing bottom plate 7.
The outer protection pressure-bearing protective shell 1 is in an elliptical-like shape in the radial direction of the temperature-measuring cable 3, and the elliptical-like curved surface structural design enables the outer protection pressure-bearing protective shell 1 to well disperse the born pressure and effectively resist the impact caused by the collapse of the old roof of the goaf.
The heat conduction silicone grease 5 is a heat conduction medium, the working temperature of the heat conduction silicone grease is generally between 50 ℃ below zero and 220 ℃, the heat conduction silicone grease has good heat conduction, high temperature resistance, ageing resistance and waterproof characteristics, heat transfer can be effectively realized, the change condition of the temperature in a goaf can be effectively conducted to the temperature measurement cable 3, the temperature measurement cable 3 can sensitively sense the change of the external environment temperature, and the goaf temperature information is fed back in real time.
The pressure-bearing bottom plate 7 is rectangular, a plurality of groups of threaded holes are respectively formed in two sides of the short side of the pressure-bearing bottom plate 7, and the outer protection pressure-bearing protective shell 1 is provided with threaded holes corresponding to the threaded holes of the pressure-bearing bottom plate 7 in position and fixedly connected through the fixing bolts 6.
Specifically, the material of the outer protection pressure-bearing protective shell 1 is compression-resistant steel, and the thickness of the outer protection pressure-bearing protective shell 1 is 15mm.
Specifically, the diameter of the temperature sensing channel 2 is 5mm, so that the same environment temperature inside and outside the outer protection pressure-bearing protective shell 1 is ensured, and the temperature measuring cable 3 can accurately measure the temperature in the goaf.
The number and the positions of the temperature sensing channels 2 can be adjusted according to the actual conditions on site.
Specifically, the material of annular resistance to compression steel ring 4 is resistance to compression steel, and the thickness of annular resistance to compression steel ring 4 is 10mm, the outer wall laminating of annular resistance to compression steel ring 4 is in the inner wall of outer protection pressure-bearing protective housing 1 and pressure-bearing bottom plate 7, every the length of annular resistance to compression steel ring 4 is 30mm, adjacent annular resistance to compression steel ring 4 interval is 300mm.
The upper side and the lower side of the annular compression-resistant steel ring 4 are respectively contacted with the outer protection pressure-bearing protective shell 1 and the pressure-bearing bottom plate 7, and the annular compression-resistant steel ring is positioned in the heat-conducting silicone grease 5, so that the position of the annular compression-resistant steel ring can be effectively limited, and the protection of the temperature-measuring cable 3 can be better realized.
Specifically, the temperature measurement cable 3 is located the downside of annular resistance to compression steel ring 4 inner chamber, and leaves the space between the outer wall of temperature measurement cable 3 and the inner wall upside of annular resistance to compression steel ring 4, and the effect in space is the pressure-bearing buffering, reinforcing to the protection of temperature measurement cable 3.
The foregoing is merely exemplary of the present utility model, and many variations may be made in the specific embodiments and application scope of the utility model by those skilled in the art based on the spirit of the utility model, as long as the variations do not depart from the gist of the utility model.
Claims (5)
1. Novel mining class oval goaf temperature measurement cable protection device, its characterized in that: the temperature-sensing device comprises an outer protection pressure-bearing protective shell (1), a temperature-sensing cable (3), an annular pressure-sensing steel ring (4), heat-conducting silicone grease (5), fixing bolts (6) and a pressure-bearing bottom plate (7), wherein the outer protection pressure-bearing protective shell (1) is fixedly arranged on the surface of the pressure-bearing bottom plate (7) through the fixing bolts (6), the pressure-bearing bottom plate (7) is fixed on a coal seam bottom plate through the fixing bolts (6), temperature-sensing channels (2) are uniformly formed in the surfaces of the outer protection pressure-bearing protective shell (1) and the pressure-bearing bottom plate (7), the temperature-sensing cable (3) and the annular pressure-sensing steel ring (4) are arranged between the outer protection pressure-bearing protective shell (1) and the pressure-bearing bottom plate (7), the annular pressure-sensing steel ring (4) is arranged in the temperature-sensing cable (3), and the heat-conducting silicone grease (5) is filled in the outer protection pressure-bearing protective shell (1) and the pressure-bearing bottom plate (7).
The cross section of the outer protection pressure-bearing protective shell (1) in the radial direction of the temperature measuring cable (3) is in an ellipse-like shape.
2. The novel mining elliptical goaf temperature measurement cable protection device according to claim 1, wherein: the outer protection pressure-bearing protective shell (1) is made of pressure-resistant steel, and the thickness of the outer protection pressure-bearing protective shell (1) is 15mm.
3. The novel mining elliptical goaf temperature measurement cable protection device according to claim 1, wherein: the diameter of the temperature sensing channel (2) is 5mm.
4. The novel mining elliptical goaf temperature measurement cable protection device according to claim 1, wherein: the material of annular resistance to compression steel ring (4) is resistance to compression steel, and the thickness of annular resistance to compression steel ring (4) is 10mm, the outer wall laminating of annular resistance to compression steel ring (4) is in the inner wall of outer protection pressure-bearing protective housing (1) and pressure-bearing bottom plate (7), every the length of annular resistance to compression steel ring (4) is 30mm, adjacent annular resistance to compression steel ring (4) interval is 300mm.
5. The novel mining elliptical goaf temperature measurement cable protection device according to claim 1, wherein: the temperature measuring cable (3) is located at the lower side of the inner cavity of the annular compression-resistant steel ring (4), and a gap is reserved between the outer wall of the temperature measuring cable (3) and the upper side of the inner wall of the annular compression-resistant steel ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322725290.3U CN221037706U (en) | 2023-10-11 | 2023-10-11 | Novel mining oval goaf temperature measurement cable protection of class device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322725290.3U CN221037706U (en) | 2023-10-11 | 2023-10-11 | Novel mining oval goaf temperature measurement cable protection of class device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037706U true CN221037706U (en) | 2024-05-28 |
Family
ID=91183725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322725290.3U Active CN221037706U (en) | 2023-10-11 | 2023-10-11 | Novel mining oval goaf temperature measurement cable protection of class device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037706U (en) |
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2023
- 2023-10-11 CN CN202322725290.3U patent/CN221037706U/en active Active
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