CN214095968U - Mining anticorrosion roof separation layer monitoring instrument - Google Patents

Mining anticorrosion roof separation layer monitoring instrument Download PDF

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Publication number
CN214095968U
CN214095968U CN202023281737.5U CN202023281737U CN214095968U CN 214095968 U CN214095968 U CN 214095968U CN 202023281737 U CN202023281737 U CN 202023281737U CN 214095968 U CN214095968 U CN 214095968U
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China
Prior art keywords
anchor
measuring rope
telescopic
monitoring instrument
measuring
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魏兴文
胥海东
王彦召
王占银
辛广伟
张艺耘
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National Energy Group Ningxia Coal Industry Co Ltd
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National Energy Group Ningxia Coal Industry Co Ltd
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Abstract

The application discloses mining anticorrosion roof separation layer monitoring instrument, including an anchor section of thick bamboo, survey rope and anchor, a section of thick bamboo is connected to survey rope one end, and the anchor is connected to the other end, still includes waterproof cover, waterproof cover cladding can be in on the survey rope. The utility model discloses can protect the survey line well, prevent effectively that mine water and survey line from contacting, prevent survey line corrosion fracture, guarantee roof separation layer appearance effective monitoring tunnel roof, further guarantee the safe handling in tunnel.

Description

Mining anticorrosion roof separation layer monitoring instrument
Technical Field
The application relates to the technical field of separation layer monitoring instruments, in particular to a mining anti-corrosion roof separation layer monitoring instrument.
Background
The coal mine in China mainly adopts underground mining, a large number of roadways need to be excavated underground, more than 80 percent of the roadways are coal roadways and half coal rock roadways, and anchor rods and anchor cables are basically adopted for supporting. According to the provisions of basic requirements and scoring methods of a coal mine safety production standardized management system: the roof separation instrument is a special monitoring instrument for monitoring roof strata movement of the most common coal roadway and half coal rock roadway, and is convenient and rapid to install and use.
According to data analysis observed by the roof separation instrument, different geological conditions, lithologic changes and other conditions are obtained, the separation amount in the roadway anchor net supporting range is summarized, other effective supporting measures are taken in time, roof collapse accidents are prevented, and safe production is guaranteed.
The existing roof separation instrument has two types: the LBY model is T-type, and the ZKBY-type tray model is also available. The ordinary roof separation instrument can respectively display the separation conditions of roof strata within the length range of the anchor rod and outside the same range of the anchor rod. Through the comprehensive roof separation observation of various anchor net tunnels, the roof separation observation is generally recognized to play a certain role in guiding and warning anchor net supporting tunnels. The length and the tensile strength of the determined anchor rod are provided for coal mine engineering technicians and detection personnel, and scientific basis required by rationality and economy of the used anchor rod is known, so that the roof leakage accident is effectively prevented, and the coal mine safety production is further ensured.
At present, T-shaped roof separation layer monitors are generally installed in underground coal mine coal roadways and semi-coal rock roadways, wherein a roof separation layer monitor measuring rope is manufactured by processing common steel wire ropes. Because the underground water of the coal mine is rich in sulfate, nitrate, calcium, magnesium and other ions, the measuring rope of the roof separation instrument is extremely easy to corrode, and the measuring rope is broken. After the survey rope breaks, lead to the anchor can not pull the action of scale indicating ring, the roof appears sinking promptly, and the display data still remains unchanged on the roof separation layer appearance, can not effectively carry out roof separation layer monitoring, plays the early warning effect, finally leads to the emergence of roof accident, is unfavorable for safety in production.
Disclosure of Invention
The utility model provides a mine anticorrosion roof absciss layer monitoring instrument is provided in the not enough of prior art of overcoming, can protect the survey rope well, prevents effectively that mine water and survey rope contact from preventing that the survey rope from corroding the fracture, guarantees that roof absciss layer appearance effectively monitors the tunnel roof, further guarantees the safe handling in tunnel.
The technical scheme of this application provides a mining anticorrosion roof absciss layer monitoring instrument, including an anchor section of thick bamboo, survey rope and anchor, survey rope one end is connected an anchor section of thick bamboo, the other end is connected the anchor still includes waterproof cover, waterproof cover cladding can be in on the survey rope.
Preferably, the waterproof jacket is a telescopic waterproof jacket, the telescopic waterproof jacket is sleeved on the measuring rope, one end of the telescopic waterproof jacket is connected with the anchoring cylinder, and the other end of the telescopic waterproof jacket is provided with a terminal connector used for being connected with the anchoring device;
when the measuring rope is in a use state, the end head connector is connected with the anchor, and the telescopic waterproof sleeve completely covers the measuring rope;
when the measuring rope is in a non-use state, the end head connector is separated from the anchor, the telescopic waterproof sleeve is separated from at least part of the measuring rope, and the measuring rope is coiled and stored.
Preferably, the telescopic waterproof jacket is a corrugated pipe.
Preferably, the bellows has a maximum extension length greater than or equal to the length of the tether.
Preferably, the telescopic waterproof sleeve is a telescopic joint sleeve, and the telescopic joint sleeve comprises single-section pipes which are nested in sequence.
Preferably, the maximum extension length of the telescopic joint sleeve is greater than or equal to the length of the measuring line.
Preferably, the end connector is provided with a thread, the end connector is in threaded connection with the anchor through the thread in the use state, and the thread is separated from the anchor in the non-use state.
Preferably, said telescopic waterproofing sheath is made of a corrosion resistant material.
Preferably, an opening is formed in the end portion of the anchoring cylinder, the measuring rope penetrates out of the opening, the water-blocking device further comprises a water-blocking check ring, the water-blocking check ring is arranged in the opening, and the end portion of the telescopic waterproof sleeve is connected with the water-blocking check ring.
Preferably, the waterproof jacket is an outer sheath coated on the surface of the measuring rope.
After adopting above-mentioned technical scheme, have following beneficial effect: this scheme can protect the measuring rope well, prevents effectively that mine water and measuring rope contact from preventing that the measuring rope from corroding the fracture, guarantees the roof separation layer appearance and effectively monitors the tunnel roof, further guarantees the safe handling in tunnel.
Drawings
The disclosure of the present application will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present application. In the figure:
fig. 1 is a schematic view of the overall structure of the present invention in one embodiment;
fig. 2 is a schematic structural diagram of an expansion joint sleeve according to an embodiment of the present invention.
Reference symbol comparison table:
the device comprises an anchor 10, a measuring rope 20, an anchoring cylinder 30, a telescopic waterproof sleeve 40 and a water-blocking retainer ring 50;
an inner joint tube 41, a first lug 411, an outer joint tube 42 and a second lug 421.
Detailed Description
Embodiments of the present application are further described below with reference to the accompanying drawings.
It is easily understood that according to the technical solutions of the present application, those skilled in the art can substitute various structures and implementations without changing the spirit of the present application. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present application, and should not be construed as limiting or restricting the technical solutions of the present application in their entirety.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Throughout the description of the present application, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "coupled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The foregoing is to be understood as belonging to the specific meanings in the present application as appropriate to the person of ordinary skill in the art.
The utility model discloses in an embodiment discloses a mining anticorrosion roof absciss layer monitoring instrument, as shown in fig. 1, including an anchor section of thick bamboo 30, survey rope 20 and anchor 10, an anchor section of thick bamboo 30 is connected to survey rope 20 one end, and anchor 10 is connected to the other end, still includes waterproof cover, but waterproof cover cladding is on survey rope 20.
In some embodiments of the present invention, the waterproof jacket is a telescopic waterproof jacket 40, the telescopic waterproof jacket 40 is sleeved on the measuring rope 20, one end of the telescopic waterproof jacket 40 is connected with the anchoring cylinder 30, and the other end is provided with a terminal connector for connecting with the anchoring device 10;
when the measuring rope 20 is in a use state, the end head connector is connected with the anchor 10, and the telescopic waterproof sleeve 40 completely covers the measuring rope 20;
when the measuring line 20 is not in use, the end connector is separated from the anchor 10, the telescopic waterproof jacket 40 is separated from at least part of the measuring line 20, and the measuring line 20 is coiled and stored.
Wherein, in this device, end connector and anchor 10 can be dismantled and link together, when the measuring rope 20 needs to use, use measuring rope 20 elongates, and stimulate telescopic waterproof cover 40, make telescopic waterproof cover 40 can cover measuring rope 20 completely, and be in the same place end connector and anchor 10 are fixed, thereby guarantee to seal measuring rope 20, make can be isolated with measuring rope 20 and outside when using, effectively prevent pit water and measuring rope 20 contact, prevent measuring rope 20 corrosion fracture, guarantee roof absciss layer appearance effective monitoring tunnel roof, further guarantee the safe handling in tunnel. When need not to use the measuring rope 20, for this device of convenient carrying, with end connector and anchor 10 separation this moment, then shorten telescopic waterproof jacket 40 to minimum length, most measuring rope 20 and the separation of telescopic waterproof jacket 40 this moment, then accomodate through coiling measuring rope 20 and can reduce the shared space of measuring rope 20 to be convenient for carry and accomodate. This device can completely cut off the measuring rope 20 and outside effectively through adopting telescopic waterproof cover 40, avoids measuring rope 20 fracture, and the telescopic waterproof cover 40 that this device adopted simultaneously can adapt to install in present existing roof absciss layer monitoring instrument, need not to reequip current instrument, and strong adaptability has fine economic nature.
In some embodiments of the present invention, the telescoping waterproof jacket 40 is a bellows. The bellows can extend and compress, when need not to use the measuring rope 20, can separate the end connector and anchor 10 at the bellows tip to compress the bellows to shortest length, so that original cladding is exposed and is separated with the bellows at the measuring rope 20 in the bellows, can coil the bending with measuring rope 20 this moment, so that the shared position of measuring rope 20 is less, is convenient for accomodate and carry.
In some embodiments of the present invention, the maximum extension length of the bellows is greater than or equal to the length of the tether 20. This protects the line 20 whilst not affecting the line 20, the force of the anchor 10 acting directly on the line 20 and not being affected by the bellows. Meanwhile, when the corrugated pipe is in an extension state, the corrugated pipe does not have the acting force of reverse contraction, so that the corrugated pipe does not apply tension to the anchor 10 when in use, and monitoring is affected.
In some embodiments of the present invention, the telescopic waterproof jacket 40 is a telescopic joint sleeve, which comprises single joints of pipe nested in sequence. The telescopic joint sleeve pipe can be unfolded to realize extension when in use, when the measuring rope 20 is not needed to be used, the telescopic joint sleeve pipe is nested and stored, the minimum length of the telescopic joint sleeve pipe is the length of one single-joint pipe, so that the measuring rope 20 originally coated in the telescopic joint sleeve pipe is exposed and separated from the telescopic joint, and the measuring rope 20 can be coiled and bent at the moment, so that the position occupied by the measuring rope 20 is small, and the telescopic joint sleeve pipe is convenient to store and carry.
In some embodiments of the present invention, the maximum extension length of the telescopic joint sleeve is greater than or equal to the length of the measuring line 20.
In some embodiments of the present invention, the end connector is provided with a thread, and when the end connector is in the use state, the end connector is connected to the anchor 10 by the thread, and when the end connector is not in the use state, the thread is separated from the anchor 10. The end connector and the anchor 10 can be conveniently installed or detached through the threaded screw thread mode, meanwhile, the sealing performance between the end connector and the anchor 10 can also be guaranteed, and mine water is prevented from permeating into the telescopic waterproof pipe from the position between the end connector and the anchor 10 to corrode the measuring rope 20.
In some embodiments of the present invention, the telescoping waterproof jacket 40 is made of a corrosion resistant material. Ensuring that it is not eroded by the well water.
In some embodiments of the present invention, the end of the anchoring cylinder 30 is provided with an opening, the measuring string 20 is threaded out from the opening, and the water-blocking device 50 is further included, the water-blocking device 50 is disposed in the opening, and the end of the retractable waterproof sleeve 40 is connected to the water-blocking device 50. The water-blocking retainer ring 50 can seal the opening, so that underground water is prevented from flowing into the anchoring cylinder 30 along the surface of the telescopic waterproof sleeve 40, and the measuring rope 20 in the anchoring cylinder 30 is prevented from being corroded.
In some embodiments of the present invention, the waterproof jacket is an outer sheath covering the surface of the measuring line 20. The oversheath is unanimous with the length of measuring line 20, and the oversheath is flexible, can follow measuring line 20 and move together, can protect measuring line 20 through the oversheath, with measuring line 20 and the isolated and can not influence the measuring line 20 bending of underground for measuring line 20 can be coiled normally and accomodate.
In some embodiments of the present invention, the outer sheath is made of PVC material.
Example 1:
the embodiment discloses a mining anti-corrosion roof separation layer monitoring instrument, which comprises an anchoring cylinder 30, a measuring rope 20 and an anchor 10, wherein one end of the measuring rope 20 is connected with the anchoring cylinder 30, and the other end of the measuring rope is connected with the anchor 10, as shown in fig. 1. In particular, in this embodiment, a telescopic waterproof jacket 40 is further included, the telescopic waterproof jacket 40 is sleeved on the measuring rope 20 to isolate the measuring rope 20 from the underground water, and the telescopic waterproof jacket 40 can be extended or retracted, when the measuring rope 20 is in a use state, the telescopic waterproof jacket 40 is extended and a terminal connector is arranged at an end of the telescopic waterproof jacket 40, and the anchor 10 is connected through the terminal connector, so that the measuring rope 20 cannot be corroded due to the fact that the measuring rope 20 contacts the external underground water. When need not to use measuring rope 20, in order to conveniently carry equipment, end connector breaks away from with anchor 10 to shrink telescopic waterproof jacket 40 to minimum length, measuring rope 20 of original cladding in telescopic waterproof jacket 40 exposes and separates with telescopic waterproof jacket 40 this moment, can coil measuring rope 20 and accomodate, in order to reduce its shared space, portable.
In this embodiment, the telescopic waterproof jacket 40 is a corrugated pipe made of PVC, and the maximum extension length of the corrugated pipe is greater than or equal to the length of the measuring string 20. Wherein, the bellows can extend and compress, when need not to use the measuring rope 20, can separate the end connector and anchor 10 at bellows tip to compress the bellows to shortest length, so that the measuring rope 20 of original cladding in the bellows exposes and separates with the bellows, can coil the bending with measuring rope 20 this moment, so that the shared position of measuring rope 20 is less, is convenient for accomodate and carry.
In addition, because the maximum extension length of the corrugated pipe is greater than or equal to the length of the measuring rope 20, the length of the corrugated pipe is slightly greater than the length of the measuring rope 20 in the embodiment, so that the corrugated pipe can completely cover the whole section of the measuring rope 20 and can cover and protect the measuring rope 20, and meanwhile, the state of the corrugated pipe is fixed when the corrugated pipe is extended, and no reverse contraction acting force exists, namely, no tension action is exerted on the anchor 10, so that no interference is caused on the anchor 10, the acting force of the anchor 10 can directly act on the measuring rope 20, and therefore the monitoring result cannot be influenced while the measuring rope 20 is protected by the corrugated pipe. In addition, the bellows can flex freely, and thus can better accommodate the use of the load line 20.
In this embodiment, the end connector is provided with a screw thread, and in the use state, the end connector is screwed with the anchor 10 through the screw thread, and in the non-use state, the screw thread is separated from the anchor 10. The end connector and the anchor 10 can be conveniently installed or detached through the threaded screw thread mode, meanwhile, the sealing performance between the end connector and the anchor 10 can also be guaranteed, and mine water is prevented from permeating into the telescopic waterproof pipe from the position between the end connector and the anchor 10 to corrode the measuring rope 20.
Wherein, this device has still set up retaining ring 50 that blocks water, and anchor section of thick bamboo 30 tip is equipped with the opening, and the measuring tape 20 is worn out from the opening, and retaining ring 50 that blocks water sets up in the opening, and the tip of telescopic waterproof cover 40 is connected with retaining ring 50 that blocks water. The water-blocking retainer ring 50 can seal the opening, so that underground water is prevented from flowing into the anchoring cylinder 30 along the surface of the telescopic waterproof sleeve 40, and the measuring rope 20 in the anchoring cylinder 30 is prevented from being corroded.
This device middle-aged end connector can dismantle with anchor 10 and link together, when the measuring rope 20 needs to use, use measuring rope 20 elongates, and the pulling bellows, make the bellows can cover measuring rope 20 completely, and be in the same place end connector and anchor 10 are fixed, thereby guarantee to seal measuring rope 20, make can be isolated with measuring rope 20 and outside when using, effectively prevent pit water and measuring rope 20 contact, prevent measuring rope 20 corrosion fracture, guarantee roof absciss layer appearance effective monitoring tunnel roof, further guarantee the safe handling in tunnel. When need not to use the measuring rope 20, for this device of convenient carrying, with end connector and anchor 10 separation this moment, then shorten the bellows to minimum length, most measuring rope 20 and bellows separation this moment, then accomodate through coiling measuring rope 20 and can reduce the shared space of measuring rope 20 to be convenient for carry and accomodate. This device can completely cut off the measuring rope 20 and outside effectively through adopting the bellows, avoids measuring rope 20 fracture, and the bellows that this device adopted simultaneously can adapt to install in present existing roof absciss layer monitoring instrument, need not to reequip current instrument, and strong adaptability has fine economic nature.
Example 2:
this embodiment is similar to embodiment 1, except that in this embodiment, the waterproof, telescoping sleeve 40 is a telescoping joint sleeve comprising single length tubes nested one inside the other. Specifically, a plurality of single tubes with decreasing diameters are sequentially nested in a sliding manner, and a limiting mechanism is arranged between adjacent single tubes for limiting the two adjacent single tubes from separating from each other, specifically, as shown in fig. 2, the limiting mechanism includes a first protrusion 411 arranged on the outer wall of the lower end of a single tube and a second protrusion 421 arranged on the inner wall of the upper end of a single tube, wherein the first protrusion 411 is arranged around the outer wall of the single tube, the second protrusion 421 is arranged around the inner wall of the single tube, the adjacent single tubes are nested together, for convenience of description, a single tube nested in two segments is taken as an example, the single tube nested in the inner segment is an inner tube 41, the single tube in the outer segment is an outer tube 42, wherein the diameter of the first protrusion 411 on the inner tube 41 is the same as the diameter of the inner wall of the outer tube 42, and the first protrusion 411 abuts against the inner wall of the outer tube, when the inner joint 41 and the outer joint 42 are extended to the maximum length, the first protrusion 411 in the inner joint 41 and the second protrusion 421 in the outer joint 42 abut against each other, so that the inner joint 41 cannot be separated from the outer joint 42. Meanwhile, since the first protrusion 411 is abutted against the inner wall of the outer joint pipe 42, the downhole water cannot penetrate into the inner portion from the connection gap between the inner joint pipe and the outer joint pipe to corrode the string 20.
In this embodiment, the maximum extension length of the telescopic joint sleeve is greater than or equal to the length of the load line 20. The telescopic joint sleeve pipe can be unfolded to realize extension when in use, when the measuring rope 20 is not needed to be used, the telescopic joint sleeve pipe is nested and stored, the minimum length of the telescopic joint sleeve pipe is the length of one single-joint pipe, so that the measuring rope 20 originally coated in the telescopic joint sleeve pipe is exposed and separated from the telescopic joint, and the measuring rope 20 can be coiled and bent at the moment, so that the position occupied by the measuring rope 20 is small, and the telescopic joint sleeve pipe is convenient to store and carry.
Example 3:
the embodiment is similar to embodiments 1 and 2, except that in the embodiment, the surface of the measuring line 20 is coated by an outer sheath made of PVC material, the outer sheath has the same length as the measuring line 20, and the outer sheath is flexible and can act along with the measuring line 20, the measuring line 20 can be protected by the outer sheath, the measuring line 20 is isolated from underground water, the bending of the measuring line 20 is not influenced, and the measuring line 20 can be coiled and stored normally.
What has been described above is merely the principles and preferred embodiments of the present application. It should be noted that, for a person skilled in the art, several other modifications can be made on the basis of the principle of the present application, and these should also be considered as the scope of protection of the present application.

Claims (10)

1. The utility model provides a mining anticorrosion roof separation layer monitoring instrument, includes an anchor section of thick bamboo (30), measuring line (20) and anchor (10), measuring line (20) one end is connected an anchor section of thick bamboo (30), and the other end is connected anchor (10), its characterized in that still includes waterproof cover, waterproof cover cladding can be in on measuring line (20).
2. The mining anti-corrosion roof separation monitoring instrument according to claim 1, characterized in that the waterproof jacket is a telescopic waterproof jacket (40), the telescopic waterproof jacket (40) is sleeved on the measuring rope (20), one end of the telescopic waterproof jacket (40) is connected with the anchoring cylinder (30), and the other end is provided with a terminal connector for connecting with the anchor (10);
when the measuring rope (20) is in a use state, the end connector is connected with the anchor (10), and the telescopic waterproof sleeve (40) completely covers the measuring rope (20);
when the measuring rope (20) is in a non-use state, the end head connector is separated from the anchor (10), the telescopic waterproof sleeve (40) is separated from at least part of the measuring rope (20), and the measuring rope (20) is coiled and stored.
3. The mining anti-corrosion roof separation monitoring instrument according to claim 2, characterized in that the telescopic waterproof jacket (40) is a corrugated pipe.
4. The mining anti-corrosion roof separation monitoring instrument according to claim 3, characterized in that the maximum extension length of the bellows is greater than or equal to the length of the measuring line (20).
5. The mining anti-corrosion roof separation monitoring instrument according to claim 2, characterized in that the telescopic waterproof jacket (40) is a telescopic joint sleeve, and the telescopic joint sleeve comprises single-joint pipes which are nested in sequence.
6. The mining anti-corrosion roof separation monitoring instrument according to claim 5, characterized in that the maximum extension length of the telescopic joint sleeve is greater than or equal to the length of the measuring rope (20).
7. The mining anti-corrosion roof separation monitoring instrument according to any one of claims 2 to 6, characterized in that the end connector is provided with a threaded screw thread, the end connector is in threaded connection with the anchor (10) through the threaded screw thread in the use state, and the threaded screw thread is separated from the anchor (10) in the non-use state.
8. The mining anti-corrosion roof plate delamination monitoring instrument according to any one of claims 2 to 6, characterized in that the telescopic waterproof jacket (40) is made of a corrosion-resistant material.
9. The mining anti-corrosion roof separation monitoring instrument according to any one of claims 2 to 6, characterized in that an opening is formed at the end of the anchoring cylinder (30), the measuring rope (20) penetrates through the opening, the instrument further comprises a water-blocking collar (50), the water-blocking collar (50) is arranged in the opening, and the end of the telescopic waterproof jacket (40) is connected with the water-blocking collar (50).
10. The mining anti-corrosion roof separation monitoring instrument according to claim 1, characterized in that the waterproof jacket is an outer jacket covering the surface of the measuring rope (20).
CN202023281737.5U 2020-12-29 2020-12-29 Mining anticorrosion roof separation layer monitoring instrument Active CN214095968U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023281737.5U CN214095968U (en) 2020-12-29 2020-12-29 Mining anticorrosion roof separation layer monitoring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023281737.5U CN214095968U (en) 2020-12-29 2020-12-29 Mining anticorrosion roof separation layer monitoring instrument

Publications (1)

Publication Number Publication Date
CN214095968U true CN214095968U (en) 2021-08-31

Family

ID=77435513

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023281737.5U Active CN214095968U (en) 2020-12-29 2020-12-29 Mining anticorrosion roof separation layer monitoring instrument

Country Status (1)

Country Link
CN (1) CN214095968U (en)

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