CN114151120A - Development shield device for gypsum mine exploitation - Google Patents
Development shield device for gypsum mine exploitation Download PDFInfo
- Publication number
- CN114151120A CN114151120A CN202111475875.3A CN202111475875A CN114151120A CN 114151120 A CN114151120 A CN 114151120A CN 202111475875 A CN202111475875 A CN 202111475875A CN 114151120 A CN114151120 A CN 114151120A
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- fixedly connected
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- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 21
- 239000010440 gypsum Substances 0.000 title claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000004816 latex Substances 0.000 claims description 5
- 229920000126 latex Polymers 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a tunneling shield device for gypsum mine exploitation, which comprises a base, a first supporting leg, a connecting column, a first spring, a first supporting plate, a moving device, a supporting device, a telescopic rod, a shield plate, a second hydraulic cylinder, a baffle, a connecting frame, a partition plate and a buffering supporting device, wherein the first supporting leg is arranged on the base; the brake pad fixing device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, the whole device can be better in mobility through the arranged roller mechanism, and the hydraulic cylinder I and the brake pad can be firmly fixed; the buffering support device enhances the firmness of the whole device and effectively prolongs the service life of the support structure; the hydraulic cylinder and the baffle can effectively protect the automobile.
Description
Technical Field
The invention relates to the technical field of gypsum mine exploitation, in particular to a tunneling and shielding device for gypsum mine exploitation.
Background
The gypsum mine needs to be continuously tunneled in the mining process, and shielding needs to be carried out in the tunneling process so as to avoid sudden collapse accidents in the tunneling process, and the phenomenon is mostly generated at the top and the side wall of a gypsum mine tunnel. The existing safety protection device has a single structure, good overall shock absorption performance and poor protection performance, so that the tunneling shield device for gypsum mine exploitation is provided.
Disclosure of Invention
The invention aims to solve the problems, provides a tunneling and shielding device for gypsum mine exploitation, and solves the problems of single structure, good overall shock absorption performance and poor shielding performance of the conventional safety protection device.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a tunnelling shield device that gypsum ore development adopted which innovation point lies in: the device comprises a base, a first supporting leg, a connecting column, a first spring, a first supporting plate, a moving device, a supporting device, a telescopic rod, a shield plate, a second hydraulic cylinder, a baffle, a connecting frame, a partition plate and a buffering supporting device; two sides of the bottom end of the base are fixedly connected with first supporting legs; the bottom end of the supporting leg I is fixedly connected with a connecting column, a spring I is connected to the connecting column in a wrapping mode, and a supporting plate I is fixedly connected to the bottom end of the connecting column; both sides of the bottom end of the base are fixedly connected with a moving device; the specific structure of the supporting device is as follows: the device comprises a fixed block, a bolt, a first connecting block, a connecting rod, a cushion pad, a support body, a second connecting block and a supporting plate; the upper end of the base is provided with a fixed block, and two sides of the fixed block are connected to the base through bolts; the two sides of the fixed block are fixedly connected with a first connecting block, and the bottom end of the connecting rod is connected with the first connecting block; the upper end and the lower end of the left side of the fixed block are fixedly connected with cushion pads; the supporting body is positioned on the left side of the fixed block; two sides of the bottom end of the support body are fixedly connected with a second connecting block, and the top end of the connecting rod is connected with the second connecting block; a supporting plate is fixedly connected to the top end of the left side of the supporting body; a plurality of telescopic rods are fixedly connected to the supporting plate; the shield plate is connected to the telescopic rods at the two sides, the upper end of the shield plate is fixedly connected with a plurality of second hydraulic cylinders, and the output ends of the second hydraulic cylinders are fixedly connected with baffles; the bottom end of the base is fixedly connected with a connecting frame, and a partition plate is arranged in the connecting frame; and two sides of the upper end of the supporting plate are connected with buffering supporting devices.
Preferably, the specific structure of the mobile device is as follows: the brake comprises a second supporting leg, a connecting rod, a roller, a groove, a first hydraulic cylinder and a brake pad; two sides of the bottom end of the base are fixedly connected with supporting legs II; the bottom ends of the second supporting legs are fixedly connected with connecting rods, and the rollers are connected to the connecting rods; a groove is formed in the bottom end of the second supporting leg, a first hydraulic cylinder is fixedly connected to the two sides of the top end of the groove, and a brake pad is connected to the output end of the first hydraulic cylinder.
Preferably, the specific structure of the buffering support device is as follows: the device comprises a support box, a support block, a rubber pad, a column hole, a support column and a second spring; both sides of the supporting plate are fixedly connected with supporting boxes; the supporting box is characterized in that a plurality of supporting columns are fixedly connected to the bottom end of the inner portion of the supporting box cavity, the supporting blocks are connected to the upper ends of the supporting columns, the upper ends of the supporting columns are connected to column holes, rubber pads are connected to the upper ends of the supporting blocks, and springs II are connected to the outer surfaces of the supporting columns in a wrapping mode.
Preferably, the bottom end of the first support plate is provided with anti-skid grains.
Preferably, the bolt is a fastening bolt.
Preferably, the cushion pad is a latex pad.
Preferably, the brake pad is replaceable.
Preferably, the second spring is a disc spring.
The invention has the beneficial effects that:
(1) the brake block fixing device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, the whole device can be better in mobility through the arranged roller mechanism, and the hydraulic cylinder I and the brake block can be firmly fixed.
(2) The buffering support device provided by the invention enhances the firmness of the whole device and effectively prolongs the service life of the support structure.
(3) The hydraulic cylinder and the baffle can effectively protect the automobile.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a mobile device according to the present invention.
Fig. 4 is a schematic structural view of the buffering support device of the present invention.
1-a base; 2 supporting foot one-; 3-connecting a column; 4, a first spring; 5, supporting a plate I; 6-a mobile device; 7-supporting a second foot; 8-a connecting rod; 9-a roller; 10-a groove; 11-a first hydraulic cylinder; 12-brake pads; 13-fixing block; 14-a bolt; 15-connecting the block I; 16-a connecting rod; 17-a cushion pad; 18-a support; 19-connecting block two; 20-a support plate; 21-a telescopic rod; 22-a mask plate; 23-a second hydraulic cylinder; 24-a baffle; 25-a connecting frame; 26-a separator; 27-a buffer support; 28-support box; 29-a support block; 30-rubber pad; 31-column pore; 32-support column; 33-spring two.
Detailed Description
Example 1
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a tunneling shield device for gypsum mine exploitation comprises a base 1, a first supporting leg 2, a connecting column 3, a first spring 4, a first supporting plate 5, a moving device 6, a supporting device, a telescopic rod 21, a shield plate 22, a second hydraulic cylinder 23, a baffle plate 24, a connecting frame 25, a partition plate 26 and a buffer supporting device 27; two sides of the bottom end of the base 1 are fixedly connected with supporting legs I2; the bottom end of the supporting leg I2 is fixedly connected with a connecting column 3, the connecting column 3 is wrapped and connected with a spring I4, and the bottom end of the connecting column 3 is fixedly connected with a supporting plate I5; both sides of the bottom end of the base 1 are fixedly connected with a moving device 6; the specific structure of the supporting device is as follows: the device comprises a fixed block 13, a bolt 14, a first connecting block 15, a connecting rod 16, a cushion pad 17, a support body 18, a second connecting block 19 and a support plate 20; a fixed block 13 is arranged at the upper end of the base 1, and two sides of the fixed block 13 are connected to the base 1 through bolts 14; the two sides of the fixed block 3 are fixedly connected with a first connecting block 15, and the bottom end of the connecting rod 16 is connected with the first connecting block 15; the upper end and the lower end of the left side of the fixed block 3 are both fixedly connected with a cushion pad 17; the supporting body 18 is positioned at the left side of the fixed block 3; both sides of the bottom end of the support body 18 are fixedly connected with a second connecting block 19, and the top end of the connecting rod 16 is connected with the second connecting block 19; a supporting plate 20 is fixedly connected to the top end of the left side of the supporting body 18; a plurality of telescopic rods 21 are fixedly connected to the supporting plate 20; the shield plate 22 is connected to the telescopic rods 21 at the two sides, the upper end of the shield plate 22 is fixedly connected with a plurality of second hydraulic cylinders 23, and the output ends of the second hydraulic cylinders 23 are fixedly connected with baffles 24; a connecting frame 25 is fixedly connected to the bottom end of the base 1, and a partition plate 26 is arranged in the connecting frame 25; buffer supporting devices 27 are connected to both sides of the upper end of the supporting plate 20.
The bottom end of the first support plate 5 is provided with anti-skid grains; the bolt 14 is a fastening bolt; the buffer cushion 17 is a latex gasket.
Example 2
As shown in fig. 1 to 4, the device comprises a base 1, a first supporting foot 2, a connecting column 3, a first spring 4, a first supporting plate 5, a moving device 6, a supporting device, a telescopic rod 21, a shield plate 22, a second hydraulic cylinder 23, a baffle plate 24, a connecting frame 25, a partition plate 26 and a buffer supporting device 27; two sides of the bottom end of the base 1 are fixedly connected with supporting legs I2; the bottom end of the supporting leg I2 is fixedly connected with a connecting column 3, the connecting column 3 is wrapped and connected with a spring I4, and the bottom end of the connecting column 3 is fixedly connected with a supporting plate I5; both sides of the bottom end of the base 1 are fixedly connected with a moving device 6; the specific structure of the supporting device is as follows: the device comprises a fixed block 13, a bolt 14, a first connecting block 15, a connecting rod 16, a cushion pad 17, a support body 18, a second connecting block 19 and a support plate 20; a fixed block 13 is arranged at the upper end of the base 1, and two sides of the fixed block 13 are connected to the base 1 through bolts 14; the two sides of the fixed block 3 are fixedly connected with a first connecting block 15, and the bottom end of the connecting rod 16 is connected with the first connecting block 15; the upper end and the lower end of the left side of the fixed block 3 are both fixedly connected with a cushion pad 17; the supporting body 18 is positioned at the left side of the fixed block 3; both sides of the bottom end of the support body 18 are fixedly connected with a second connecting block 19, and the top end of the connecting rod 16 is connected with the second connecting block 19; a supporting plate 20 is fixedly connected to the top end of the left side of the supporting body 18; a plurality of telescopic rods 21 are fixedly connected to the supporting plate 20; the shield plate 22 is connected to the telescopic rods 21 at the two sides, the upper end of the shield plate 22 is fixedly connected with a plurality of second hydraulic cylinders 23, and the output ends of the second hydraulic cylinders 23 are fixedly connected with baffles 24; a connecting frame 25 is fixedly connected to the bottom end of the base 1, and a partition plate 26 is arranged in the connecting frame 25; buffer supporting devices 27 are connected to both sides of the upper end of the supporting plate 20.
The bottom end of the first support plate 5 is provided with anti-skid grains; the bolt 14 is a fastening bolt; the buffer cushion 17 is a latex gasket.
As shown in fig. 1 to 4, the specific structure of the moving device 6 is as follows: the brake comprises a second supporting leg 7, a connecting rod 8, a roller 9, a groove 10, a first hydraulic cylinder 11 and a brake pad 12; two sides of the bottom end of the base 1 are fixedly connected with supporting legs II 7; the bottom ends of the second supporting legs 7 are fixedly connected with connecting rods 8, and the rollers 9 are connected to the connecting rods 8; a groove 10 is formed in the bottom end of the second supporting leg 7, hydraulic cylinders 11 are fixedly connected to two sides of the top end of the groove 10, and brake pads 12 are connected to the output ends of the hydraulic cylinders 11. Wherein, the brake block 12 is replaceable. Embodiment 3 as shown in fig. 1 to 4, comprises a base 1, a first supporting foot 2, a connecting column 3, a first spring 4, a first supporting plate 5, a moving device 6, a supporting device, a telescopic rod 21, a shield plate 22, a second hydraulic cylinder 23, a baffle plate 24, a connecting frame 25, a partition plate 26 and a buffer supporting device 27; two sides of the bottom end of the base 1 are fixedly connected with supporting legs I2; the bottom end of the supporting leg I2 is fixedly connected with a connecting column 3, the connecting column 3 is wrapped and connected with a spring I4, and the bottom end of the connecting column 3 is fixedly connected with a supporting plate I5; both sides of the bottom end of the base 1 are fixedly connected with a moving device 6; the specific structure of the supporting device is as follows: the device comprises a fixed block 13, a bolt 14, a first connecting block 15, a connecting rod 16, a cushion pad 17, a support body 18, a second connecting block 19 and a support plate 20; a fixed block 13 is arranged at the upper end of the base 1, and two sides of the fixed block 13 are connected to the base 1 through bolts 14; the two sides of the fixed block 3 are fixedly connected with a first connecting block 15, and the bottom end of the connecting rod 16 is connected with the first connecting block 15; the upper end and the lower end of the left side of the fixed block 3 are both fixedly connected with a cushion pad 17; the supporting body 18 is positioned at the left side of the fixed block 3; both sides of the bottom end of the support body 18 are fixedly connected with a second connecting block 19, and the top end of the connecting rod 16 is connected with the second connecting block 19; a supporting plate 20 is fixedly connected to the top end of the left side of the supporting body 18; a plurality of telescopic rods 21 are fixedly connected to the supporting plate 20; the shield plate 22 is connected to the telescopic rods 21 at the two sides, the upper end of the shield plate 22 is fixedly connected with a plurality of second hydraulic cylinders 23, and the output ends of the second hydraulic cylinders 23 are fixedly connected with baffles 24; a connecting frame 25 is fixedly connected to the bottom end of the base 1, and a partition plate 26 is arranged in the connecting frame 25; buffer supporting devices 27 are connected to both sides of the upper end of the supporting plate 20.
The bottom end of the first support plate 5 is provided with anti-skid grains; the bolt 14 is a fastening bolt; the buffer cushion 17 is a latex gasket.
As shown in fig. 1 to 4, the specific structure of the moving device 6 is as follows: the brake comprises a second supporting leg 7, a connecting rod 8, a roller 9, a groove 10, a first hydraulic cylinder 11 and a brake pad 12; two sides of the bottom end of the base 1 are fixedly connected with supporting legs II 7; the bottom ends of the second supporting legs 7 are fixedly connected with connecting rods 8, and the rollers 9 are connected to the connecting rods 8; a groove 10 is formed in the bottom end of the second supporting leg 7, hydraulic cylinders 11 are fixedly connected to two sides of the top end of the groove 10, and brake pads 12 are connected to the output ends of the hydraulic cylinders 11.
Wherein, the brake block 12 is replaceable.
As shown in fig. 1 to 4, the specific structure of the buffering support device 27 is as follows: comprises a support box 28, a support block 29, a rubber pad 30, a column hole 31, a support column 32 and a second spring 33; the two sides of the supporting plate 20 are fixedly connected with supporting boxes 28; a plurality of support columns 32 are fixedly connected to the bottom end of the inner cavity of the support box 28, the support blocks 29 are connected to the upper ends of the support columns 32, the upper ends of the support columns 32 are connected to column holes 31, rubber pads 30 are connected to the upper ends of the support blocks 29, and springs 33 are connected to the outer surfaces of the support columns 32 in a wrapping mode.
Wherein the second spring 33 is a disc spring.
The using state of the invention is as follows: the device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, when the device is used, firstly, the device is moved to a specified position, then the hydraulic cylinder I11 is started to enable the brake block 12 to be attached to the roller 9, the connecting columns 3 on the two sides are started to support, the device is effectively prevented from moving, then the hydraulic cylinder II 23 is started to drive the baffle plate 24 to move upwards to fix and support the top end of a gypsum mine to prevent collapse, the dead weight of the device can be effectively increased through the connecting frame 25 and the baffle plate 26, the overall stability is improved, and when the gypsum mine collapses, effective buffering and effective support can be carried out through the supporting box 28, the supporting block 29, the rubber pad 30, the column hole 31, the supporting column 32 and the spring II 33, and the life safety of personnel is effectively guaranteed.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the invention.
Claims (8)
1. The utility model provides a tunnelling shield device that gypsum ore development adopted which characterized in that: the device comprises a base (1), a first supporting leg (2), a connecting column (3), a first spring (4), a first supporting plate (5), a moving device (6), a supporting device, a telescopic rod (21), a shield plate (22), a second hydraulic cylinder (23), a baffle plate (24), a connecting frame (25), a partition plate (26) and a buffer supporting device (27);
two sides of the bottom end of the base (1) are fixedly connected with a first supporting leg (2);
the bottom ends of the supporting legs I (2) are fixedly connected with a connecting column I (3), the connecting column I (3) is connected with a spring I (4) in a wrapping mode, and the bottom end of the connecting column I (3) is fixedly connected with a supporting plate I (5);
both sides of the bottom end of the base (1) are fixedly connected with a moving device (6);
the specific structure of the supporting device is as follows: comprises a fixed block (13), a bolt (14), a first connecting block (15), a connecting rod (16), a cushion pad (17), a support body (18), a second connecting block (19) and a support plate (20);
a fixed block (13) is arranged at the upper end of the base (1), and two sides of the fixed block (13) are connected to the base (1) through bolts (14);
the two sides of the fixed block (3) are fixedly connected with a first connecting block (15), and the bottom end of the connecting rod (16) is connected with the first connecting block (15);
the upper end and the lower end of the left side of the fixed block (3) are fixedly connected with cushion pads (17);
the supporting body (18) is positioned on the left side of the fixing block (3);
two sides of the bottom end of the support body (18) are fixedly connected with a second connecting block (19), and the top end of the connecting rod (16) is connected with the second connecting block (19);
a supporting plate (20) is fixedly connected to the top end of the left side of the supporting body (18);
a plurality of telescopic rods (21) are fixedly connected to the supporting plate (20);
the shield plate (22) is connected to the telescopic rods (21) at the two sides, the upper end of the shield plate (22) is fixedly connected with a plurality of second hydraulic cylinders (23), and the output ends of the second hydraulic cylinders (23) are fixedly connected with baffles (24);
a connecting frame (25) is fixedly connected to the bottom end of the base (1), and a partition plate (26) is arranged in the connecting frame (25);
the two sides of the upper end of the supporting plate (20) are connected with buffering supporting devices (27).
2. A tunnelling shield for the development of gypsum mines as claimed in claim 1, wherein: the mobile device (6) has the specific structure that: comprises a second supporting leg (7), a connecting rod (8), a roller (9), a groove (10), a first hydraulic cylinder (11) and a brake pad (12);
two sides of the bottom end of the base (1) are fixedly connected with a second supporting leg (7);
the bottom ends of the second supporting legs (7) are fixedly connected with connecting rods (8), and the rollers (9) are connected to the connecting rods (8);
a groove (10) is formed in the bottom end of the second supporting leg (7), hydraulic cylinders (11) are fixedly connected to two sides of the top end of the groove (10), and brake pads (12) are connected to the output ends of the hydraulic cylinders (11).
3. A tunnelling shield for the development of gypsum mines as claimed in claim 1, wherein: the buffer supporting device (27) has the specific structure that: comprises a support box (28), a support block (29), a rubber pad (30), a column hole (31), a support column (32) and a second spring (33);
both sides of the supporting plate (20) are fixedly connected with supporting boxes (28);
the supporting box is characterized in that a plurality of supporting columns (32) are fixedly connected to the bottom end inside the cavity of the supporting box (28), the supporting blocks (29) are connected to the upper ends of the supporting columns (32), the upper ends of the supporting columns (32) are connected to column holes (31), rubber pads (30) are connected to the upper ends of the supporting blocks (29), and springs (33) are connected to the outer surfaces of the supporting columns (32) in a wrapping mode.
4. A tunnelling shield for the development of gypsum mines as claimed in claim 1, wherein: and anti-skid grains are arranged at the bottom end of the first supporting plate (5).
5. A tunnelling shield for the development of gypsum mines as claimed in claim 1, wherein: the bolt (14) is a fastening bolt.
6. A tunnelling shield for the development of gypsum mines as claimed in claim 1, wherein: the buffer cushion (17) is a latex gasket.
7. A driving shield apparatus for use in the development of gypsum mine according to claim 2 wherein: the brake pad (12) is replaceable.
8. A tunnelling shield for the development of gypsum mines as claimed in claim 3, wherein: the second spring (33) is a disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111475875.3A CN114151120B (en) | 2021-12-06 | 2021-12-06 | Tunneling shield device for gypsum mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111475875.3A CN114151120B (en) | 2021-12-06 | 2021-12-06 | Tunneling shield device for gypsum mining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114151120A true CN114151120A (en) | 2022-03-08 |
| CN114151120B CN114151120B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111475875.3A Active CN114151120B (en) | 2021-12-06 | 2021-12-06 | Tunneling shield device for gypsum mining |
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| CN (1) | CN114151120B (en) |
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| CN214035766U (en) * | 2020-11-09 | 2021-08-24 | 广东中科壹家科技有限公司 | Colliery rescue device that comes to roof in pit |
| CN112576294A (en) * | 2020-12-14 | 2021-03-30 | 陈昌军 | Development shield device for gypsum mine exploitation |
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| CN114151120B (en) | 2023-06-23 |
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