CN217055234U - Waste rock blocking and dust falling device and hydraulic support system - Google Patents

Waste rock blocking and dust falling device and hydraulic support system Download PDF

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Publication number
CN217055234U
CN217055234U CN202220514380.0U CN202220514380U CN217055234U CN 217055234 U CN217055234 U CN 217055234U CN 202220514380 U CN202220514380 U CN 202220514380U CN 217055234 U CN217055234 U CN 217055234U
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China
Prior art keywords
hydraulic support
waste rock
dust
dust falling
rock blocking
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Active
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CN202220514380.0U
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Chinese (zh)
Inventor
段伟
程卫民
王富强
聂文
赵美成
彭慧天
张旭
吕英华
陈殿赋
孟范喻
乔金林
安世岗
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Shendong Coal Branch of China Shenhua Energy Co Ltd
Guoneng Shendong Coal Group Co Ltd
Original Assignee
Shendong Coal Branch of China Shenhua Energy Co Ltd
Guoneng Shendong Coal Group Co Ltd
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Application filed by Shendong Coal Branch of China Shenhua Energy Co Ltd, Guoneng Shendong Coal Group Co Ltd filed Critical Shendong Coal Branch of China Shenhua Energy Co Ltd
Priority to CN202220514380.0U priority Critical patent/CN217055234U/en
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Abstract

The utility model provides a keep off cash dust device and hydraulic support system, keep off cash dust device and be applicable to the hydraulic support system, the hydraulic support system includes two at least hydraulic support, and two at least hydraulic support set gradually along predetermineeing the direction, has the clearance between two adjacent hydraulic support, keeps off cash dust device and includes: the first end of the waste rock blocking and dust falling main body is connected with one of the two adjacent hydraulic supports, and the second end of the waste rock blocking and dust falling main body is connected with the other of the two adjacent hydraulic supports; the waste rock blocking and dust falling main body is provided with a material receiving channel, and the material receiving channel is provided with a material receiving opening communicated with the gap so as to receive materials falling from the gap. The utility model discloses a keep off cash dust device has solved the coal face hydraulic support among the prior art and has moved the problem that can drop a large amount of broken cash from the gap between the frame when moving the frame.

Description

Waste rock blocking and dust falling device and hydraulic support system
Technical Field
The utility model relates to a coal mining equipment technical field particularly, relates to a keep off cash dust device and hydraulic support system.
Background
At present, the coal mining process is mature, the mining height is improved continuously, but the accompanying dust pollution problem is not solved effectively in time. When the hydraulic support of the coal face moves, a large amount of broken waste rocks fall from gaps among the supports, so that dust pollution of the working face is aggravated, and workers are injured by smashing. Long-term inhalation of dust can cause coal miners to suffer from serious pneumoconiosis.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a keep off cash dust device and hydraulic support system to can follow the problem that a large amount of broken cash dropped from the gap between the frame when solving the coal face hydraulic support among the prior art and moving the frame.
In order to realize the above-mentioned purpose, according to the utility model discloses an aspect provides a keep off cash dust device, is applicable to the hydraulic support system, and the hydraulic support system includes two at least hydraulic support, and two at least hydraulic support set gradually along predetermineeing the direction, has the clearance between two adjacent hydraulic support, keeps off cash dust device and includes: the first end of the waste rock blocking and dust falling main body is connected with one of the two adjacent hydraulic supports, and the second end of the waste rock blocking and dust falling main body is connected with the other of the two adjacent hydraulic supports; the waste rock blocking and dust falling main body is provided with a material receiving channel, and the material receiving channel is provided with a material receiving opening communicated with the gap so as to receive materials falling from the gap.
Furthermore, the waste rock blocking dust falling main body comprises a first shielding part, a bearing part and a second shielding part, the first shielding part, the bearing part and the second shielding part enclose a material receiving channel, and a material receiving port is formed between the first end of the first shielding part and the second end of the second shielding part; the first end of the first shielding part is used for being connected with one of the two adjacent hydraulic supports, the second end of the first shielding part is connected with the first end of the bearing part, and the second end of the bearing part is connected with the first end of the second shielding part; the second end of the second shielding part is used for being connected with the other hydraulic support in the two adjacent hydraulic supports; wherein, the bearing part is arranged opposite to the gap.
Further, the waste rock blocking and dust falling main body comprises a bearing part, the bearing part is provided with a bearing surface for bearing materials falling from the gap, and the bearing surface is obliquely arranged relative to the horizontal plane; connect the material passageway to have the bin outlet, the bin outlet sets up towards presetting the region.
Furthermore, the included angle between the bearing surface and the horizontal plane is more than or equal to 50 degrees and less than or equal to 65 degrees.
Further, the waste rock blocking and dust falling main body is made of an elastic belt.
Further, keep off cash dust device includes: the first end of the waste rock blocking and dust falling main body is connected with one of the two adjacent hydraulic supports through the connecting piece; and the other connecting piece is arranged at the second end of the waste rock blocking and dust falling main body, and the second end of the waste rock blocking and dust falling main body is connected with the other hydraulic support in the two adjacent hydraulic supports through the connecting piece.
Furthermore, each connecting piece is connected with the hydraulic support in a welding mode; or each connecting piece is provided with a first fastening hole and is connected with the hydraulic support through a fastening piece inserted in the first fastening hole and a second fastening hole on the hydraulic support; or, each connecting piece is provided with a fixing ring, and the fixing rings are used for being sleeved on the connecting rods of the hydraulic supports.
Furthermore, the waste rock blocking and dust falling device further comprises a nozzle, and the nozzle is arranged towards the material receiving channel so as to spray liquid to the material receiving channel.
Furthermore, the material receiving channel is provided with a liquid inlet, and the nozzle sprays liquid into the material receiving channel through the liquid inlet; along the extending direction of the material receiving channel, the liquid inlet is positioned above the material receiving channel.
According to the utility model discloses an on the other hand provides a hydraulic support system, including two at least hydraulic support, hydraulic support system still includes foretell waste rock dust device that keeps off.
The utility model discloses a keep off cash dust device can accept the material that drops by the clearance between two adjacent hydraulic support through setting up the cash dust fall main part, can block a large amount of broken cash and dust that drop from the clearance when coal face hydraulic support removes, and then reduces the cash and the dust that move the production to coal mine workman's harm.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:
fig. 1 is a front view showing a partial structure of a waste rock blocking and dust falling device according to the utility model;
FIG. 2 is a side view of a part of the structure of the waste rock blocking and dust falling device in FIG. 1;
FIG. 3 is a top view of a part of the structure of the waste rock blocking and dust falling device in FIG. 1;
fig. 4 shows a schematic diagram of the hydraulic support system without a gangue blocking and dust settling device according to the utility model;
FIG. 5 shows a schematic view of a hydraulic support system provided with a waste rock blocking and dust falling device according to the utility model;
fig. 6 shows a side view of the hydraulic support system with a waste rock blocking and dust falling device according to the utility model;
fig. 7 shows a schematic view of one of two adjacent hydraulic supports in a hydraulic support system according to the present invention when moved.
Wherein the figures include the following reference numerals:
10. a hydraulic support; 11. covering a beam guard plate; 20. a gap; 31. a waste rock blocking and dust falling main body; 311. a first shielding portion; 312. a receiving part; 313. a second shielding portion; 314. a bearing surface; 32. a material receiving channel; 321. a material receiving port; 322. a discharge outlet; 323. a liquid inlet; 33. a connecting member; 34. a fixing ring; 35. a nozzle;
4. gangue; 5. a worker.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides a keep off cash dust device please refer to fig. 1 to 7, is applicable to hydraulic support system, and hydraulic support system includes two at least hydraulic support 10, and two at least hydraulic support 10 set gradually along predetermineeing the direction, has clearance 20 between two adjacent hydraulic support 10, and keep off cash dust device includes: a first end of the waste rock blocking and dust falling main body 31 is used for being connected with one hydraulic support 10 of the two adjacent hydraulic supports 10, and a second end of the waste rock blocking and dust falling main body 31 is used for being connected with the other hydraulic support 10 of the two adjacent hydraulic supports 10; the waste rock blocking and dust falling main body 31 is provided with a material receiving channel 32, and the material receiving channel 32 is provided with a material receiving port 321 communicated with the gap 20 so as to receive materials falling from the gap 20.
The utility model discloses a keep off cash dust device is through setting up fender cash dust fall main part 31, can accept the material that drops by clearance 20 between two adjacent hydraulic support 10, can block a large amount of broken cash and dust that drop from the clearance when coal face hydraulic support removes, and then reduces the cash and the dust that move the frame production to coal mine workman's harm.
Specifically, the material includes at least gangue 4 and dust.
In this embodiment, as shown in fig. 1 to 3, the gangue-blocking dust-settling body 31 includes a first shielding portion 311, a receiving portion 312, and a second shielding portion 313, the first shielding portion 311, the receiving portion 312, and the second shielding portion 313 enclose a material receiving channel 32, and a material receiving opening 321 is formed between a first end of the first shielding portion 311 and a second end of the second shielding portion 313; the first end of the first shielding part 311 is used for being connected with one hydraulic bracket 10 of two adjacent hydraulic brackets 10, the second end of the first shielding part 311 is connected with the first end of the bearing part 312, and the second end of the bearing part 312 is connected with the first end of the second shielding part 313; the second end of the second shielding portion 313 is used for connecting with the other hydraulic bracket 10 of the two adjacent hydraulic brackets 10; the receiving portion 312 is disposed opposite to the gap 20.
Specifically, the waste rock blocking and dust falling main body 31 is U-shaped, the first shielding portion 311 and the second shielding portion 313 are two side structures of the U-shaped waste rock blocking and dust falling main body 31, and the receiving portion 312 is a bottom structure of the U-shaped waste rock blocking and dust falling main body 31.
In the present embodiment, as shown in fig. 3, the dust suppression main body 31 includes a receiving portion 312, the receiving portion 312 has a receiving surface 314 for receiving the material dropped from the gap 20, and the receiving surface 314 is disposed to be inclined with respect to the horizontal plane; the material receiving channel 32 has a discharge opening 322, and the discharge opening 322 is disposed toward a preset area. Wherein the preset area is a gob. The gangue convenient to drop can slide to the preset area by the arrangement.
In the present embodiment, as shown in fig. 5 to 7, an included angle between the bearing surface 314 and the horizontal plane is greater than or equal to 50 degrees and less than or equal to 65 degrees. The gangue convenient to drop can slide to the preset area by the arrangement.
Specifically, waste rock blocking dust falling main body 31 is made by elastic belt, and elastic belt's coefficient of friction is lower, can guarantee that the waste rock can smooth landing to collecting space area. And the elastic belt has higher elastic modulus and tensile strength, and can meet the deformation generated by moving the frame.
Specifically, the gangue blocking and dust falling main body 31 is of a rectangular structure after being unfolded, and the length from the first end to the second end of the gangue blocking and dust falling main body 31 is the width of the rectangular structure; the length of the first end (or the second end) of the waste rock blocking and dust falling main body 31 is the length of a rectangular structure; the length of the rectangular structure is 2.5m-3.5m, and the width of the rectangular structure is 2m-2.5 m. The setting is guaranteed to satisfy under the deformation prerequisite that moves the frame and produce, as big as possible covers the frame clearance.
In this embodiment, as shown in fig. 1 and 2, the waste rock blocking and dust falling device includes: the number of the connecting pieces 33 is two, one connecting piece 33 is arranged at the first end of the waste rock blocking and dust falling main body 31, and the first end of the waste rock blocking and dust falling main body 31 is connected with one hydraulic support 10 of two adjacent hydraulic supports 10 through the connecting piece 33; another connecting piece 33 is arranged at the second end of the gangue fall blocking body 31, and the second end of the gangue fall blocking body 31 is connected with another hydraulic support 10 in two adjacent hydraulic supports 10 through the connecting piece 33. Due to the arrangement, the first end and the second end of the waste rock blocking and dust falling main body 31 are connected with the hydraulic support 10 through the connecting piece 33, so that the connection is convenient and reliable.
In order to realize the fixed connection of the waste rock blocking and dust falling main body and the hydraulic support, each connecting piece 33 is welded with the hydraulic support 10; or, each connecting member 33 is provided with a first fastening hole, and each connecting member 33 is connected to the hydraulic bracket 10 through a fastening member inserted in the first fastening hole and a second fastening hole formed in the hydraulic bracket 10; or, each connecting piece 33 is provided with a fixing ring 34, and the fixing ring 34 is used for being sleeved on the connecting rod of the hydraulic support 10. Wherein, solid fixed ring 34's setting makes the waste rock dust device of keeping off easily fixed and dismantlement to in time dismantle during the emergency.
Specifically, each of the connecting members 33 is provided with a plurality of fixing rings 34, and the plurality of fixing rings 34 are arranged at intervals; correspondingly, the hydraulic support 10 has a plurality of connecting rods, and each fixing ring 34 is sleeved on the corresponding connecting rod. The connection of the waste rock blocking and dust falling main body and the hydraulic support is more reliable due to the arrangement.
In this embodiment, as shown in fig. 6, the gangue blocking dust-settling device further includes a nozzle 35, and the nozzle 35 is disposed toward the material receiving channel 32 to spray liquid to the material receiving channel 32. The spray from the nozzle 35 can catch small particles of dust and thereby improve the environment of the work surface.
Specifically, the number of the nozzles 35 is multiple, and the nozzles 35 are uniformly arranged on a shield beam guard plate of the hydraulic support, so that fine dust is wetted.
In this embodiment, the material receiving channel 32 has a liquid inlet 323, and the nozzle 35 sprays liquid into the material receiving channel 32 through the liquid inlet 323; along the extending direction of the material receiving channel 32, the liquid inlet 323 is located above the material receiving channel 32, and the discharge outlet 322 is located at the bottom of the material receiving channel 32, as shown in fig. 5. The extending direction of the receiving channel 32 is the same as the inclined direction of the receiving surface 314.
Specifically, the hydraulic support 10 includes a shield beam guard 11, and the shield beam guard 11 is located at a side portion of the hydraulic support 10; the connecting piece 33 is connected with the shield beam guard plate 11 to realize the connection of the connecting piece 33 and the hydraulic support 10; the nozzles 35 are connected to the shield beam panels 11.
Specifically, when each connecting piece 33 is provided with a fixing ring 34, and the fixing ring 34 is used to be sleeved on a connecting rod of the hydraulic support 10, the connecting rod is arranged on the shield beam protection plate 11.
Specifically, the fixing ring 34 is spaced from the shield beam cover by 0.2m to 0.5m so as not to occupy the operation space of the worker 5 while satisfying the moving distance of the hydraulic support.
The application of keeping off cash dust device theory of operation as follows: the waste rock blocking and dust falling device is arranged on shield beam guard plates of two adjacent hydraulic supports and can basically cover a gap between the two adjacent hydraulic supports. When the hydraulic support on one side moves, the waste rock blocking and dust falling device moves along with the hydraulic support, and waste rocks falling from the gap fall onto the waste rock blocking and dust falling main body 31, and then fall off to a goaf under the influence of gravity, so that the situation that the waste rocks directly fall into a sidewalk is avoided. The spray from the top nozzle 35 can capture small dust particles suspended in the air, reduce dust pollution, and reduce the frictional resistance of the waste rock blocking and dust falling main body 31 to a certain extent.
During the concrete implementation, keep off cash dust device and install the back that targets in place, the colliery workman need not to carry out extra operation, this keep off cash dust device can follow hydraulic support 10 automatically and remove, the cash that produces when moving the frame falls on keeping off cash dust main part 31, the cash is automatic landing to the collecting space area at support rear portion under the influence of gravity, and simultaneously, nozzle spun spraying can catch the dust of tiny granule, thereby improve the environment of working face, the harm of moving the frame waste that falls to the colliery workman that has significantly reduced. Wherein, the goaf is the area where coal has been mined.
The dust-settling device is simple in structure, does not need to provide extra power, and is obvious in dust-settling effect; coal miners do not need to perform additional operation, and gangue falls onto the elastic belt and slides to a goaf at the rear part of the hydraulic support under the influence of gravity; the connecting device is simple, easy to disassemble and very convenient. The spray can catch small particles of dust, thereby improving the environment of the working surface.
The utility model also provides a hydraulic support system, please refer to fig. 4 to 7, including two at least hydraulic support 10, wherein, hydraulic support system still includes the fender cash dust device in the above-mentioned embodiment.
Specifically, the hydraulic support system comprises a plurality of waste rock blocking and dust falling devices, and one waste rock blocking and dust falling device is arranged between every two adjacent hydraulic supports 10.
Specifically, each hydraulic support 10 includes two shield beam shields 11, and the two shield beam shields 11 are located on opposite sides of the hydraulic support 10.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a keep off cash dust device can accept the material that drops by clearance 20 between two adjacent hydraulic support 10 through setting up fender cash dust fall main part 31, can block a large amount of broken cash and dust that drop from the clearance when coal face hydraulic support removes, and then reduces the cash and the dust that move the frame production to coal mine workman's harm.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a keep off cash dust device, is applicable to hydraulic support system, hydraulic support system includes two at least hydraulic support (10), at least two hydraulic support (10) set gradually, adjacent two along predetermineeing the direction have clearance (20) between hydraulic support (10), its characterized in that, keep off cash dust device and include:
the first end of the waste rock blocking and dust falling main body (31) is used for being connected with one hydraulic support (10) of two adjacent hydraulic supports (10), and the second end of the waste rock blocking and dust falling main body (31) is used for being connected with the other hydraulic support (10) of the two adjacent hydraulic supports (10); keep off cash dust fall main part (31) have and connect material passageway (32), connect material passageway (32) have be used for with material mouthful (321) that connect that clearance (20) are linked together to accept by the material that clearance (20) dropped.
2. The waste rock blocking and dust falling device according to claim 1, characterized in that the waste rock blocking and dust falling main body (31) comprises a first shielding part (311), a bearing part (312) and a second shielding part (313), the first shielding part (311), the bearing part (312) and the second shielding part (313) enclose the material receiving channel (32), and the material receiving port (321) is formed between a first end of the first shielding part (311) and a second end of the second shielding part (313);
the first end of the first shielding part (311) is used for being connected with one hydraulic bracket (10) of two adjacent hydraulic brackets (10), the second end of the first shielding part (311) is connected with the first end of the bearing part (312), and the second end of the bearing part (312) is connected with the first end of the second shielding part (313); the second end of the second shading part (313) is used for being connected with the other hydraulic bracket (10) in two adjacent hydraulic brackets (10); wherein the receiving part (312) is arranged opposite to the gap (20).
3. A gangue-blocking dust-settling device according to claim 1, characterized in that the gangue-blocking dust-settling body (31) comprises a receiving part (312), the receiving part (312) has a receiving surface (314) for receiving the material dropped from the gap (20), and the receiving surface (314) is arranged obliquely to the horizontal plane; the material receiving channel (32) is provided with a material discharging opening (322), and the material discharging opening (322) is arranged towards a preset area.
4. The waste rock blocking and dust falling device is characterized in that the included angle between the bearing surface (314) and the horizontal plane is greater than or equal to 50 degrees and less than or equal to 65 degrees.
5. The waste rock blocking and dust falling device according to claim 1, characterized in that the waste rock blocking and dust falling body (31) is made of an elastic belt.
6. The waste rock blocking and dust falling device according to any one of claims 1 to 5, characterized by comprising:
the number of the connecting pieces (33) is two, one connecting piece (33) is arranged at the first end of the waste rock blocking and dust falling main body (31), and the first end of the waste rock blocking and dust falling main body (31) is connected with one hydraulic support (10) of two adjacent hydraulic supports (10) through the connecting piece (33); and the other connector (33) is arranged at the second end of the waste rock blocking and dust falling main body (31), and the second end of the waste rock blocking and dust falling main body (31) is connected with the other adjacent hydraulic support (10) through the connector (33).
7. The waste rock blocking and dust falling device according to claim 6, wherein each connector (33) is connected with the hydraulic support (10) in a welding mode; or each connecting piece (33) is provided with a first fastening hole, and each connecting piece (33) is connected with the hydraulic bracket (10) through a fastening piece inserted in the first fastening hole and a second fastening hole on the hydraulic bracket (10); or, each all be provided with solid fixed ring (34) on connecting piece (33), gu fixed ring (34) be used for with the cover establish on the connecting rod of hydraulic support (10).
8. The waste rock blocking and dust falling device according to claim 6, further comprising a nozzle (35), wherein the nozzle (35) is arranged towards the material receiving channel (32) to spray liquid to the material receiving channel (32).
9. The waste rock blocking and dust falling device according to claim 8, wherein the material receiving channel (32) is provided with a liquid inlet (323), and the nozzle (35) sprays liquid into the material receiving channel (32) through the liquid inlet (323); along the extending direction of the material receiving channel (32), the liquid inlet (323) is positioned above the material receiving channel (32).
10. A hydraulic support system comprising at least two hydraulic supports (10), characterized in that the hydraulic support system further comprises the waste rock blocking and dust falling device of any one of claims 1 to 9.
CN202220514380.0U 2022-03-09 2022-03-09 Waste rock blocking and dust falling device and hydraulic support system Active CN217055234U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220514380.0U CN217055234U (en) 2022-03-09 2022-03-09 Waste rock blocking and dust falling device and hydraulic support system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220514380.0U CN217055234U (en) 2022-03-09 2022-03-09 Waste rock blocking and dust falling device and hydraulic support system

Publications (1)

Publication Number Publication Date
CN217055234U true CN217055234U (en) 2022-07-26

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CN202220514380.0U Active CN217055234U (en) 2022-03-09 2022-03-09 Waste rock blocking and dust falling device and hydraulic support system

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