CN212105912U - Dedicated safety of coal mine tunnelling shields device - Google Patents
Dedicated safety of coal mine tunnelling shields device Download PDFInfo
- Publication number
- CN212105912U CN212105912U CN202020759509.5U CN202020759509U CN212105912U CN 212105912 U CN212105912 U CN 212105912U CN 202020759509 U CN202020759509 U CN 202020759509U CN 212105912 U CN212105912 U CN 212105912U
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- guard plate
- arc guard
- coal mine
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Abstract
The utility model discloses a dedicated safety of colliery tunnelling is shielded device relates to coal mine equipment technical field. The utility model discloses a folding arc guard plate, be provided with on the arc guard plate and be used for supporting the support adjusting part that the angle was adjusted with folding to the arc guard plate, be provided with on the arc guard plate and be used for the buffer unit to the buffering of arc guard plate. The utility model discloses a set up folding arc guard plate and play the safety shield effect, the rethread supports adjusting part and supports and folding angle regulation to the arc guard plate, therefore whole arc guard plate can be suitable for the inside multiple environment in coal mine hole, has improved the suitability of arc guard plate, has ensured the protective range of arc guard plate, and the while is through the cooperation of buffer unit again, reduces the impact that the arc guard plate received through buffer unit, can improve the life of arc guard plate.
Description
Technical Field
The utility model relates to a coal mine equipment technical field, concretely relates to dedicated safety of colliery tunnelling is shielded device.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal bed is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface soil layer, namely an open pit coal mine; the coal mine needs to be continuously tunneled in the mining process, 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 the coal mine tunnel.
The existing safety shield device is an integral plate, although the protection effect can be achieved, the whole size and the angle of the safety shield device can not be adjusted, in the practical application process, the safety shield device can only be designed to be small in size, and therefore the safety shield device can be conveniently moved in a coal mine hole, the protection area of the safety shield device is reduced, certain potential safety hazards exist, the safety shield device is short of an effective buffer structure, falling rocks directly fall on the integral plate to impact the integral plate, and the normal service life of the integral plate is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: for solving the problem that provides among the above-mentioned background art, the utility model provides a dedicated safety of colliery tunnelling is shielded device.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a dedicated safety shield device of colliery tunnelling, includes folding arc guard plate, be provided with on the arc guard plate and be used for supporting the arc guard plate and support adjusting part with folding angle modulation, be provided with the buffer unit who is used for the buffering to the arc guard plate on the arc guard plate.
Further, the arc guard plate includes the middle part arc, the both ends of middle part arc all articulate there is the flank arc, support adjusting part is used for supporting the arc guard plate and support and the angle modulation two flank arcs.
Furthermore, the supporting and adjusting assembly comprises a connecting plate fixed on the tunneling equipment, a first hydraulic cylinder is fixedly installed at the top of the connecting plate, a piston rod of the first hydraulic cylinder is fixedly connected with the arc inner side face of the middle arc plate, second hydraulic cylinders are symmetrically hinged to the top of the connecting plate, and piston rods of the second hydraulic cylinders are hinged to the arc inner side face of the corresponding side wing arc plate respectively.
Furthermore, each middle arc-shaped plate and each side wing arc-shaped plate respectively correspond to the first hydraulic cylinder and the second hydraulic cylinder.
Further, buffer unit includes middle part guard plate and two flank guard plates, the equal fixed mounting of medial surface of middle part guard plate and two flank guard plates has buffer spring, middle part guard plate and two flank guard plates are all through buffer spring and corresponding middle part arc and flank arc fixed connection.
Further, the middle protection plate and the two side wing protection plates are both arc-shaped structures.
The utility model has the advantages as follows: the utility model discloses a set up folding arc guard plate and play the safety shield effect, the rethread supports adjusting part and supports and folding angle regulation to the arc guard plate, therefore whole arc guard plate can be suitable for the inside multiple environment in coal mine hole, has improved the suitability of arc guard plate, has ensured the protective range of arc guard plate, and the while is through the cooperation of buffer unit again, reduces the impact that the arc guard plate received through buffer unit, can improve the life of arc guard plate.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of another three-dimensional structure of the present invention;
reference numerals: 1. an arc-shaped protection plate; 101. a middle arc plate; 102. a side wing arc plate; 2. a support adjustment assembly; 201. a connecting plate; 202. a first hydraulic cylinder; 203. a second hydraulic cylinder; 3. a buffer assembly; 301. a middle protection plate; 302. a wing protection plate; 303. a buffer spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, a special safety shield device for coal mine tunneling comprises a foldable arc-shaped protection plate 1, wherein a support adjusting assembly 2 for supporting and adjusting the folding angle of the arc-shaped protection plate 1 is arranged on the arc-shaped protection plate 1, and a buffer assembly 3 for buffering the arc-shaped protection plate 1 is arranged on the arc-shaped protection plate 1.
In this embodiment, play the safety shield effect through setting up folding arc guard plate 1, rethread supports adjusting part 2 and supports and fold angle adjustment arc guard plate 1, consequently whole arc guard plate 1 can be suitable for the inside multiple environment in coal mine hole, the suitability of arc guard plate 1 has been improved, the protection scope of arc guard plate 1 has been ensured, the cooperation through buffer unit 3 again simultaneously, reduce the impact that arc guard plate 1 received through buffer unit 3, can improve arc guard plate 1's life.
Specifically, arc guard plate 1 includes middle part arc 101, and the both ends of middle part arc 101 all articulate there is flank arc 102, supports adjusting part 2 and is used for supporting arc guard plate 1 and supports and the angle modulation two flank arcs 102.
In this embodiment, middle part arc 101 position remain stable, and the position of two flank arcs 102 can be adjusted by corresponding middle part arc 101, consequently can reduce or increase this equipment volume through the angle that changes two flank arcs 102, can adapt to the environment in the coal mine hole like this, not only conveniently removes this device, has improved the safety protection scope of this device moreover, has improved the security.
Specifically, the supporting and adjusting assembly 2 comprises a connecting plate 201 fixed on the tunneling device, a first hydraulic cylinder 202 is fixedly mounted at the top of the connecting plate 201, a piston rod of the first hydraulic cylinder 202 is fixedly connected with the arc inner side face of the middle arc-shaped plate 101, second hydraulic cylinders 203 are symmetrically hinged to the top of the connecting plate 201, and piston rods of the second hydraulic cylinders 203 are hinged to the arc inner side face of the corresponding side wing arc-shaped plate 102 respectively.
In this embodiment, through fixing connecting plate 201 on the tunnelling equipment, accomplished the fixed work of this device structure, wherein pneumatic cylinder 202 plays a stable supporting role for middle part arc 101, plays stable supporting role for flank arc 102 through pneumatic cylinder two 203, and pneumatic cylinder two 203 can also adjust the angle of flank arc 102 simultaneously, consequently can satisfy the demand of arc guard plate 1.
Specifically, each of the middle arc 101 and the side arc 102 corresponds to a first hydraulic cylinder 202 and a second hydraulic cylinder 203, respectively.
In this embodiment, the middle arc plate 101 and the side wing arc plate 102 correspond to the first hydraulic cylinder 202 and the second hydraulic cylinder 203, respectively, so that the firmness of the overall structure can be ensured.
Specifically, buffer unit 3 includes middle part guard plate 301 and two flank guard plates 302, and the equal fixed mounting of medial surface of middle part guard plate 301 and two flank guard plates 302 has buffer spring 303, and middle part guard plate 301 and two flank guard plates 302 all pass through buffer spring 303 and corresponding middle part arc 101 and flank arc 102 fixed connection.
In this embodiment, through the cooperation of middle part guard plate 301 and two flank guard plates 302, can play effectual outside guard action to arc guard plate 1, through buffer spring 303's existence, can reduce the impact that receives, can improve the life of arc guard plate 1.
Specifically, the middle protection plate 301 and the two side wing protection plates 302 are both arc-shaped structures.
In this embodiment, the middle protection plate 301 and the two side wing protection plates 302 are designed to be arc-shaped structures, so that the middle protection plate and the two side wing protection plates can be better matched with the structures of the arc-shaped protection plates 1.
Claims (6)
1. The utility model provides a dedicated safety shield device of colliery tunnelling, its characterized in that, includes folding arc guard plate (1), be provided with on arc guard plate (1) and be used for supporting arc guard plate (1) and support adjusting part (2) of folding angle regulation, be provided with on arc guard plate (1) and be used for buffer unit (3) to arc guard plate (1) buffering.
2. The safety shield device special for coal mine tunneling according to claim 1, wherein the arc-shaped protection plate (1) comprises a middle arc-shaped plate (101), two ends of the middle arc-shaped plate (101) are hinged with side wing arc-shaped plates (102), and the support and adjustment assembly (2) is used for supporting the arc-shaped protection plate (1) and supporting and adjusting the angle of the two side wing arc-shaped plates (102).
3. The special safety shield device for coal mine tunneling according to claim 2, wherein the support adjusting assembly (2) comprises a connecting plate (201) fixed on tunneling equipment, a first hydraulic cylinder (202) is fixedly installed at the top of the connecting plate (201), a piston rod of the first hydraulic cylinder (202) is fixedly connected with the arc inner side surface of the middle arc plate (101), second hydraulic cylinders (203) are symmetrically hinged to the top of the connecting plate (201), and a piston rod of each second hydraulic cylinder (203) is hinged to the arc inner side surface of the corresponding side wing arc plate (102).
4. A safety shield apparatus specially used for coal mine excavation according to claim 3, wherein each of the middle arc plate (101) and the side wing arc plate (102) corresponds to two hydraulic cylinders one (202) and two hydraulic cylinders two (203).
5. The special safety shield device for coal mine tunneling according to claim 2, wherein the buffer assembly (3) comprises a middle protection plate (301) and two side wing protection plates (302), buffer springs (303) are fixedly mounted on inner side faces of the middle protection plate (301) and the two side wing protection plates (302), and the middle protection plate (301) and the two side wing protection plates (302) are fixedly connected with the corresponding middle arc plate (101) and the corresponding side wing arc plates (102) through the buffer springs (303).
6. A safety shield device special for coal mine excavation according to claim 5, wherein the middle protection plate (301) and the two side wing protection plates (302) are both arc-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020759509.5U CN212105912U (en) | 2020-05-08 | 2020-05-08 | Dedicated safety of coal mine tunnelling shields device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020759509.5U CN212105912U (en) | 2020-05-08 | 2020-05-08 | Dedicated safety of coal mine tunnelling shields device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212105912U true CN212105912U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020759509.5U Expired - Fee Related CN212105912U (en) | 2020-05-08 | 2020-05-08 | Dedicated safety of coal mine tunnelling shields device |
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| CN (1) | CN212105912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983515A (en) * | 2021-03-25 | 2021-06-18 | 中交隧道工程局有限公司 | Supporting device for tunnel portal construction and construction method thereof |
-
2020
- 2020-05-08 CN CN202020759509.5U patent/CN212105912U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983515A (en) * | 2021-03-25 | 2021-06-18 | 中交隧道工程局有限公司 | Supporting device for tunnel portal construction and construction method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 Termination date: 20210508 |