CN115355051A - Temporary auxiliary supporting device for underground resource exploration - Google Patents
Temporary auxiliary supporting device for underground resource exploration Download PDFInfo
- Publication number
- CN115355051A CN115355051A CN202210865646.0A CN202210865646A CN115355051A CN 115355051 A CN115355051 A CN 115355051A CN 202210865646 A CN202210865646 A CN 202210865646A CN 115355051 A CN115355051 A CN 115355051A
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- mounting
- bottom plate
- mounting frame
- blocks
- supporting device
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 31
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a temporary auxiliary supporting device for underground resource exploration, which belongs to the field of auxiliary devices for resource exploration. The angle of the temporary auxiliary supporting device can be adjusted at will, the angles, the heights and the positions of the bottom plate, the supporting legs and the third support can be adjusted rapidly according to special terrains, so that the temporary auxiliary supporting device is stressed uniformly when supporting, can meet the requirements of different terrains, can be disassembled and stored when not used, can be assembled temporarily when used, and is simple and rapid to operate.
Description
Technical Field
The invention belongs to the field of resource exploration auxiliary devices, and particularly relates to a temporary auxiliary supporting device for underground resource exploration.
Background
Underground resources need to be explored before being mined and excavated, and the underground resources comprise various tunnel geophysical prospecting and well logging methods, such as tunnel radio wave perspective method, tunnel geological radar measurement, tunnel gravity measurement, electric logging, radioactive logging, acoustic logging, gravity logging, magnetic logging in a well, radio wave perspective method in the well and the like. The underground geophysical prospecting is widely applied to the exploration of petroleum, coal fields, metals and nonmetals, hydrogeology and engineering geology, and the well logging is an indispensable exploration means in the exploration of the oil fields, the gas fields and the coal fields; in the exploration of metal ore deposit, the magnetic measurement in the well aims at searching blind ore bodies at the bottom of the well and beside the well, determining the occurrence, extension, connection and research of ore bed structure of the ore bodies, verifying the magnetic anomaly on the ground, guiding drilling construction and the like.
Need artifical entering deep hole under the special topography to survey in, in order to prevent that deep hole inside or entrance to a cave from collapsing, need carry out auxiliary stay before getting into, conventional support frame is simple bearing structure only, can not be suitable for the needs of different topography, and is poor, the atress is inhomogeneous to the supporting effect of opposite sex entrance to a cave or inside irregular deep hole, for this we propose a temporary auxiliary stay device of underground resource exploration for solving above-mentioned problem.
Disclosure of Invention
In view of the defects in the prior art, the present invention provides a temporary auxiliary supporting device for underground resource exploration, so as to solve the problems in the background art.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a temporary auxiliary supporting device of underground resource exploration, temporary auxiliary supporting device includes the supporting component of symmetric distribution, the supporting component passes through the connector and rotates the connection, and the supporting component includes the bottom plate, and the bottom plate below is equipped with sliding fit's stabilizer blade, and the bottom plate top is equipped with sliding fit's fourth mounting bracket, is equipped with the multistage hydraulic cylinder who rotates the connection above the fourth mounting bracket.
Preferably, the bottom plate top is equipped with the first mounting bracket of welded, is equipped with the first spout that runs through in the first mounting bracket, is equipped with array distribution's second spout on the bottom plate, still is equipped with first mounting groove on the bottom plate, and bottom plate below symmetry is equipped with the second mounting bracket of welded, is equipped with the third spout that runs through in the second mounting bracket, and third spout both sides all are equipped with the fourth spout that runs through.
Preferably, be equipped with sliding fit's stabilizer blade in the third spout, the stabilizer blade slides the assigned position and is fixed with the second mounting bracket, and the stabilizer blade both sides all are equipped with first guide block, and first guide block slides along the fourth spout, and the stabilizer blade below is equipped with fixed connection's screw thread post, and the screw thread post outside is equipped with screw-thread fit's adjust knob, and the adjust knob lower extreme is equipped with the first mounting panel of rotation connection, and first mounting panel below is equipped with the third mounting bracket of rotation connection.
Preferably, the second mounting plates are welded to two sides of the fourth mounting frame, the fourth mounting frame is fixed to the bottom plate after sliding to the specified position, a through fifth sliding groove is formed in the fourth mounting frame, sliding blocks distributed in an array are arranged below the fourth mounting frame, the sliding blocks are in sliding fit with the second sliding grooves, a first mounting block distributed in an array is arranged in the fifth sliding groove, the first mounting block is in sliding fit with the fifth sliding groove, the first mounting block is fixed to the fourth mounting frame after moving to the specified position, a push rod is arranged above the first mounting block, and one end of the push rod is rotatably connected with the first mounting block.
Preferably, the telescopic end of the multistage hydraulic oil cylinder is fixedly provided with a second support, a third support connected in a rotating mode is arranged above the second support, a fixed sleeve connected in a fixed mode is arranged on the outer side of the multistage hydraulic oil cylinder, the other end of the push rod is connected with the fixed sleeve in a rotating mode, the lower end of the multistage hydraulic oil cylinder is provided with a fourth support connected in a fixed mode, a second mounting block connected in a rotating mode is arranged below the fourth support, the second mounting block slides in the first sliding groove, and the second mounting block is fixedly connected with the first mounting frame after moving to the designated position.
Preferably, the connector includes the third mounting panel of symmetric distribution, and third mounting panel below all is equipped with the fourth mounting panel, and the fourth mounting panel is installed in first mounting groove, fourth mounting panel and bottom plate fixed connection, and third mounting panel one side is equipped with the bearing of symmetric distribution, is equipped with the turning block of rotating the connection between the bearing, and the turning block side all is equipped with the swivel becket, and the swivel becket rotation is connected each other.
The invention has the beneficial effects that:
1. the angle of the temporary auxiliary supporting device can be adjusted at will, the angles, the heights and the positions of the bottom plate, the support legs and the third support can be quickly adjusted according to special terrains, so that the temporary auxiliary supporting device is uniformly stressed during supporting, can meet the requirements of different terrains, can be disassembled and stored when not used, can be temporarily assembled when used, and is simple and quick to operate.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a temporary auxiliary support device according to the present invention;
FIG. 2 is a schematic view of the support assembly of the present invention;
FIG. 3 is a schematic view of the bottom plate structure of the present invention;
FIG. 4 is a schematic view of the construction of the base plate according to the present invention;
FIG. 5 is a schematic view of the structure of the stand bar of the present invention;
FIG. 6 is a schematic view of a fourth mount structure according to the present invention;
FIG. 7 is a schematic diagram of a multi-stage hydraulic cylinder according to the present invention;
fig. 8 is a schematic view of the connector of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, a temporary auxiliary supporting device for underground resource exploration includes symmetrically distributed supporting components, which are rotatably connected by a connector 5.
Further, the support assembly comprises a base plate 1, a support leg 2, a fourth mounting frame 3 and a multi-stage hydraulic oil cylinder 4.
Further, 1 top of bottom plate is equipped with first mounting bracket 11 of welded, be equipped with the first spout 111 that runs through in the first mounting bracket 11, the equal array in first spout 111 both sides is equipped with the first locating hole 112 that runs through, be equipped with array distribution's second spout 12 and the second locating hole 13 that runs through on the bottom plate 1, still be equipped with first mounting groove 14 on the bottom plate 1, be equipped with array distribution's first screw rod 141 in the first mounting groove 14, be equipped with the first fastening nut 142 of screw-thread fit on the first screw rod 141, 1 below symmetry of bottom plate is equipped with welded second mounting bracket 15, be equipped with the third spout 151 that runs through in the second mounting bracket 15, third spout 151 both sides all are equipped with the fourth spout 152 that runs through and the third locating hole 153 of array distribution.
Further, a support leg 2 in sliding fit is arranged in the third sliding groove 151, first guide blocks 21 are arranged on two sides of the support leg 2, the first guide blocks 21 slide along the fourth sliding groove 152, a through fourth positioning hole 22 is arranged in the support leg 2, a first positioning shaft 23 is arranged in the fourth positioning hole 22, the first positioning shaft 23 penetrates through the third positioning hole 153, the support leg 2 and the second mounting frame 15 are fixedly connected through the first positioning shaft 23, a pull buckle 231 is arranged at one end of the first positioning shaft 23, a second fastening nut 232 in threaded fit is arranged on the first positioning shaft 23, a threaded column 24 in fixed connection is arranged below the support leg 2, a regulating knob 25 in threaded fit is arranged outside the threaded column 24, a first mounting plate 251 in rotating connection is arranged at the lower end of the regulating knob 25, first rotating shafts 252 are arranged on two sides of the first mounting plate 251, a third mounting frame 26 is arranged below the first mounting plate 251, a first mounting frame 261 in fixed connection is arranged above the third mounting frame 26, a through first opening 262 is arranged on the first mounting plate 261, and a first rotating shaft 252 is connected with a first opening 262.
Further, a fourth mounting frame 3 in sliding fit is arranged above the bottom plate 1, both sides of the fourth mounting frame 3 are provided with welded second mounting plates 31, fifth positioning holes 311 in array distribution are formed in the second mounting plates 31, a second positioning shaft penetrates through the fifth positioning holes 311 and is installed in the second positioning holes 13 after the fourth mounting frame 3 slides to a specified position, so that the fourth mounting frame 3 is fixedly connected with the bottom plate 1, a through fifth chute 32 is formed in the fourth mounting frame 3, sixth positioning holes 321 in array distribution are formed in both sides of the fifth chute 32, sliding blocks 33 in array distribution are arranged below the fourth mounting frame 3, the sliding blocks 33 are in sliding fit with the second chute 12, first mounting blocks 34 in array distribution are arranged in the fifth chute 32, the first mounting blocks 34 are in sliding fit with the fifth chute 32, a through seventh positioning hole is formed in the first mounting blocks 34, the third positioning shaft penetrates through the sixth positioning holes 321, the seventh positioning hole is formed in the first mounting blocks 34, so that the first mounting blocks 34 are fixed at the specified position in the fifth chute 32, a first mounting block 34 is provided with a first grooved slot 351, a rotating push rod 342 connected with a rotating shaft hole with a rotating push rod 35, and a rotating push rod 342 is arranged at the other end of the second slotted push rod 35.
Further, a second support 41 is fixedly arranged on the telescopic end of the multi-stage hydraulic oil cylinder 4, a second through slot 411 is arranged in the second support 41, third open holes 412 are arranged on two sides of the second open slot 411, a third rotating support 42 is arranged in the second open slot 411, fourth rotating shafts 421 are arranged on two sides of the third support 42, the fourth rotating shafts 421 are rotatably connected with the third open holes 412, a fixedly connected fixing sleeve 43 is arranged on the outer side of the multi-stage hydraulic oil cylinder 4, a seventh open hole 431 is arranged on the side surface of the fixing sleeve 43, the third rotating shafts 352 are rotatably connected with the seventh open hole 431, a fourth fixedly connected support 44 is arranged at the lower end of the multi-stage hydraulic oil cylinder 4, fifth rotating shafts 45 are arranged on two sides of the fourth support 44, a second mounting block 46 is arranged below the fourth support 44, the second mounting block 46 slides in the first sliding slot 111, a through eighth positioning hole 461 is arranged in the second mounting block 46, a through eighth positioning hole 462 is arranged above the second mounting block 46, and a third positioning hole 462 is arranged on two sides of the fourth mounting block 46, and a fourth opening hole 463 is rotatably connected with the fourth rotating shaft 45.
Further, the connector 5 includes a third mounting plate 51 which is symmetrically distributed, fifth holes which are distributed in an array are formed in the third mounting plate 51, a fourth mounting plate 52 is arranged below the third mounting plate 51, sixth holes 521 and second screws 522 which are distributed in an array are formed in the fourth mounting plate 52, the second screws 522 penetrate through the fifth holes, third fastening nuts 523 which are matched with threads are formed in the second screws 522, the third mounting plate 51 and the fourth mounting plate 52 are fixedly connected by screwing the third fastening nuts 523, the fourth mounting plate 52 is installed in the first mounting groove 14, the first screws 141 penetrate through the sixth holes 521, the first fastening nuts 142 are screwed to fixedly connect the fourth mounting plate 52 and the bottom plate 1, bearings 511 which are symmetrically distributed are arranged on one side of the third mounting plate 51, rotating blocks 53 which are rotatably connected are arranged between the bearings 511, rotating rings 54 are arranged on the side surfaces of the rotating blocks 53, and the rotating rings 54 are rotatably connected with each other.
The working principle is as follows:
during the use, assembly connector 5, then with connector 5 and supporting component fixed connection, adjust stabilizer blade 2 according to the shape in cave, multistage hydraulic cylinder 4's position, and the height of stabilizer blade 2, the angle of third mounting bracket 26, third mounting bracket 26 is placed at the cave lower extreme, the position of adjusting fourth mounting bracket 3 promotes multistage hydraulic cylinder 4 and adjusts appointed angle, it promotes third support 42 and rises to drive multistage hydraulic cylinder 4 through the oil pump, third support 42 withstands cave upper portion, supplementary strutting arrangement is whole to support the cave temporarily.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The utility model provides a temporary auxiliary supporting device of underground resource exploration, temporary auxiliary supporting device includes the supporting component of symmetric distribution, its characterized in that, the supporting component passes through connector (5) and rotates the connection, and the supporting component includes bottom plate (1), and bottom plate (1) below is equipped with sliding fit's stabilizer blade (2), and bottom plate (1) top is equipped with sliding fit's fourth mounting bracket (3), and fourth mounting bracket (3) top is equipped with rotates multistage hydraulic cylinder (4) of connecting.
2. The temporary auxiliary supporting device for underground resource exploration according to claim 1, wherein a first welding mounting frame (11) is arranged above the bottom plate (1), a first through chute (111) is arranged in the first mounting frame (11), second through chutes (12) distributed in an array are arranged on the bottom plate (1), a first mounting groove (14) is further arranged on the bottom plate (1), a second welding mounting frame (15) is symmetrically arranged below the bottom plate (1), a third through chute (151) is arranged in the second mounting frame (15), and fourth through chutes (152) are arranged on two sides of the third through chute (151).
3. The temporary auxiliary supporting device for underground resource exploration according to claim 2, wherein a support leg (2) in sliding fit is arranged in the third sliding groove (151), the support leg (2) slides to a specified position and is fixed with the second mounting frame (15), first guide blocks (21) are arranged on two sides of the support leg (2), the first guide blocks (21) slide along the fourth sliding groove (152), a fixedly connected threaded column (24) is arranged below the support leg (2), an adjusting knob (25) in threaded fit is arranged on the outer side of the threaded column (24), a first mounting plate (251) in rotary connection is arranged at the lower end of the adjusting knob (25), and a third mounting frame (26) in rotary connection is arranged below the first mounting plate (251).
4. The temporary auxiliary supporting device for underground resource exploration, according to claim 2, wherein second mounting plates (31) which are welded are arranged on two sides of the fourth mounting frame (3), the fourth mounting frame (3) is fixed to the bottom plate (1) after sliding to a specified position, a fifth sliding groove (32) which penetrates through the fourth mounting frame (3) is formed in the fourth mounting frame (3), sliding blocks (33) which are distributed in an array are arranged below the fourth mounting frame (3), the sliding blocks (33) are in sliding fit with the second sliding groove (12), first mounting blocks (34) which are distributed in an array are arranged in the fifth sliding groove (32), the first mounting blocks (34) are in sliding fit with the fifth sliding groove (32), the first mounting blocks (34) are fixed to the fourth mounting frame (3) after moving to the specified position, push rods (35) are arranged above the first mounting blocks (34), and one end of each push rod (35) is rotatably connected with the first mounting blocks (34).
5. A temporary auxiliary supporting device for underground resource exploration according to claim 4, wherein a second support (41) is fixedly arranged at the telescopic end of the multi-stage hydraulic oil cylinder (4), a third support (42) which is rotatably connected is arranged above the second support (41), a fixed sleeve (43) which is fixedly connected is arranged outside the multi-stage hydraulic oil cylinder (4), the other end of the push rod (35) is rotatably connected with the fixed sleeve (43), a fourth support (44) which is fixedly connected is arranged at the lower end of the multi-stage hydraulic oil cylinder (4), a second mounting block (46) which is rotatably connected is arranged below the fourth support (44), the second mounting block (46) slides in the first sliding groove (111), and the second mounting block (46) is fixedly connected with the first mounting frame (11) after being moved to a specified position.
6. A temporary auxiliary supporting device for underground resource exploration according to claim 2, wherein the connector (5) comprises third mounting plates (51) which are symmetrically distributed, a fourth mounting plate (52) is arranged below each third mounting plate (51), the fourth mounting plates (52) are arranged in the first mounting groove (14), the fourth mounting plates (52) are fixedly connected with the bottom plate (1), bearings (511) which are symmetrically distributed are arranged on one side of each third mounting plate (51), rotating blocks (53) which are rotatably connected are arranged between the bearings (511), rotating rings (54) are arranged on the side surfaces of the rotating blocks (53), and the rotating rings (54) are rotatably connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210865646.0A CN115355051B (en) | 2022-07-21 | 2022-07-21 | Temporary auxiliary supporting device for underground resource exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210865646.0A CN115355051B (en) | 2022-07-21 | 2022-07-21 | Temporary auxiliary supporting device for underground resource exploration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115355051A true CN115355051A (en) | 2022-11-18 |
| CN115355051B CN115355051B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210865646.0A Active CN115355051B (en) | 2022-07-21 | 2022-07-21 | Temporary auxiliary supporting device for underground resource exploration |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207377586U (en) * | 2017-10-18 | 2018-05-18 | 沈阳天安科技股份有限公司 | Stope drift active workings lateral support formula advance support rack |
| CN108643945A (en) * | 2018-05-14 | 2018-10-12 | 陈玉玲 | A kind of height-adjustable coal mine roadway suspension device |
| CN212837872U (en) * | 2020-04-25 | 2021-03-30 | 杨鹏 | Variable shield support for opposite mining |
| CN213654878U (en) * | 2020-09-25 | 2021-07-09 | 蓝春明 | Tunnel construction is with preventing strutting arrangement that collapses |
| CN216342233U (en) * | 2021-11-24 | 2022-04-19 | 浙江数智交院科技股份有限公司 | Tunnel supporting device |
-
2022
- 2022-07-21 CN CN202210865646.0A patent/CN115355051B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207377586U (en) * | 2017-10-18 | 2018-05-18 | 沈阳天安科技股份有限公司 | Stope drift active workings lateral support formula advance support rack |
| CN108643945A (en) * | 2018-05-14 | 2018-10-12 | 陈玉玲 | A kind of height-adjustable coal mine roadway suspension device |
| CN212837872U (en) * | 2020-04-25 | 2021-03-30 | 杨鹏 | Variable shield support for opposite mining |
| CN213654878U (en) * | 2020-09-25 | 2021-07-09 | 蓝春明 | Tunnel construction is with preventing strutting arrangement that collapses |
| CN216342233U (en) * | 2021-11-24 | 2022-04-19 | 浙江数智交院科技股份有限公司 | Tunnel supporting device |
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| Publication number | Publication date |
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| CN115355051B (en) | 2023-12-05 |
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