CN214007176U - Coal mine tunnel supporting device - Google Patents
Coal mine tunnel supporting device Download PDFInfo
- Publication number
- CN214007176U CN214007176U CN202022130230.3U CN202022130230U CN214007176U CN 214007176 U CN214007176 U CN 214007176U CN 202022130230 U CN202022130230 U CN 202022130230U CN 214007176 U CN214007176 U CN 214007176U
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- Prior art keywords
- support
- coal mine
- sliding seat
- supporting
- sides
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Abstract
The utility model discloses a coal mine roadway supporting device, which comprises a base, a top baffle and outer side baffles hinged on two sides of the top baffle, wherein a first hydraulic cylinder is arranged in the middle of the base, a piston rod of the first hydraulic cylinder is connected with a supporting column through a connecting piece, and the top end of the supporting column is fixedly connected with the top baffle; the support column is sleeved with a sliding seat, two second hydraulic cylinders are symmetrically arranged on two sides of the first hydraulic cylinder, and piston rods of the two second hydraulic cylinders are fixedly connected with two ends of the bottom of the sliding seat respectively; the sliding seat is provided with first hinge supports on two sides, a second hinge support is arranged in the middle of the two outer side baffles, the sliding seat further comprises two first supporting rods, and two ends of each first supporting rod are hinged to the first hinge supports and the second hinge supports on the same side respectively. The utility model is suitable for coal mine tunnels with different heights and widths, and has wide application range; the top baffle and the outer side baffle can be better attached to the top of the roadway, so that the supporting effect is enhanced; the multi-point support has stronger stability.
Description
Technical Field
The utility model relates to a coal mining equipment technical field, concretely relates to coal mine tunnel supporting 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 seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.
In the coal mine tunneling engineering, the top surface of a tunnel tunneled in a coal mine needs to be supported, the height or the width of the conventional supporting device is fixed, and only a mine tunnel with the same height or width can be supported, so that the using range is small, and the limitation is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the limitation that can only be strutted to the mine road of same height or width is fixed to height or width to among the prior art supporting device, makes the improvement, provides a strut height and width adjustable colliery tunnel supporting device.
In order to achieve the above object, the utility model provides a following technical scheme:
a coal mine roadway supporting device comprises a base, a top baffle and outer side baffles hinged to two sides of the top baffle, wherein a first hydraulic cylinder is arranged in the middle of the base, a piston rod of the first hydraulic cylinder is connected with a supporting column through a connecting piece, and the top end of the supporting column is fixedly connected with the top baffle; the support column is sleeved with a sliding seat, two second hydraulic cylinders are symmetrically arranged on two sides of the first hydraulic cylinder, and piston rods of the two second hydraulic cylinders are fixedly connected with two ends of the bottom of the sliding seat respectively; the sliding seat is provided with first hinge supports on two sides, a second hinge support is arranged in the middle of the two outer side baffles, the sliding seat further comprises two first supporting rods, and two ends of each first supporting rod are hinged to the first hinge supports and the second hinge supports on the same side respectively.
As the utility model discloses a preferred setting, the base both sides are provided with the stand, the cover is equipped with the slider on the stand, be fixed with third hinge support on the slider, still include the second bracing piece, second bracing piece both ends are articulated with second hinge support and the third hinge support of homonymy respectively.
As the utility model discloses an it sets up to prefer, evenly distributed has a plurality of screws on the stand, be provided with on the slider can with the through-hole that the screw corresponds, slider and stand are through inserting bolt-up in through-hole and the screw.
As the utility model discloses a preferred setting, distance is the integral multiple of distance between the double-phase adjacent screw between two through-holes.
As the utility model discloses an it sets up to prefer, the support column both sides be provided with top baffle fixed connection's inclined support pole.
As the utility model discloses an it sets up to prefer, the connecting piece is the drum type connecting piece of H shape by the cross-section, both ends pass through the bolt fastening with support column, first pneumatic cylinder piston rod respectively about the connecting piece.
As the utility model discloses a preferred setting, the sliding seat includes the bottom plate and sets up in the sleeve of bottom plate intermediate position, the bottom plate intermediate position be equipped with the same round hole of sleeve inner circle radius, bottom plate and sleeve integrated into one piece.
Compared with the prior art, the utility model discloses possess following beneficial effect: the utility model realizes the adjustment of the top baffle in the height direction by controlling the first hydraulic cylinder, is suitable for coal mine tunnels with different heights, controls the propping amplitude of the outer baffle by the second hydraulic cylinder, is suitable for coal mine tunnels with different widths, has wide application range and breaks the limitation of the prior art; by adjusting the height and the supporting amplitude, the top baffle and the outer side baffle can be better attached to the top of the roadway, so that the supporting effect is enhanced; the multi-point support has stronger stability.
Drawings
Fig. 1 is a schematic structural view of a coal mine roadway supporting device provided by the utility model;
wherein the content of the first and second substances,
1-a base;
2-a top baffle;
3-outer side baffle plate;
4-a first hydraulic cylinder;
5-a first hydraulic cylinder piston rod;
6-connecting piece;
7-a support column;
8-a sliding seat;
9-a second hydraulic cylinder;
10-a second hydraulic cylinder piston rod;
11-a first hinge support;
12-a second hinge support;
13-a first support bar;
14-upright post;
15-a slide block;
16-a third hinged support;
17-a second support bar;
18-screw holes;
19-bolt;
20-inclined support rods;
21-a bottom plate;
22-sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a coal mine roadway supporting device, which includes a base 1, a top baffle 2, and an outer baffle 3 hinged to two sides of the top baffle 2, wherein a first hydraulic cylinder 4 is arranged in the middle of the base 1, a first hydraulic cylinder piston rod 5 is connected to a supporting column 7 through a connecting member 6, and the top end of the supporting column 7 is fixedly connected to the top baffle 2; a sliding seat 8 is sleeved on the supporting column 7, two second hydraulic cylinders 9 are symmetrically arranged on two sides of the first hydraulic cylinder 5, and piston rods 10 of the two second hydraulic cylinders are respectively and fixedly connected with two ends of the bottom of the sliding seat 8; the two sides of the sliding seat 8 are provided with first hinge supports 11, the middle parts of the two outer side baffles 3 are provided with second hinge supports 12, the sliding seat further comprises two first support rods 13, and the two ends of each first support rod 13 are hinged to the first hinge supports 11 and the second hinge supports 12 on the same side respectively.
Through adopting above-mentioned technical scheme, first pneumatic cylinder 4 upwards promotes support column 7, and support column 7 drives top baffle 2 and moves up, and up to top baffle 2 and tunnel top butt, and then start two second pneumatic cylinders 9, and second pneumatic cylinder piston rod 10 drives sliding seat 8 and shifts up, moves the in-process on last, articulates and supports outside baffle 3 gradually in first bracing piece 13 between outside baffle 3 and sliding seat 8, with tunnel top both sides butt. Realize the adjustment of top baffle 2 in direction of height through controlling first pneumatic cylinder 4, be applicable to the colliery tunnel of not co-altitude, control the range of propping up of outside baffle 3 through second pneumatic cylinder 9, be applicable to the colliery tunnel of different widths.
As the utility model discloses preferred setting, furtherly, base 1 both sides are provided with stand 14, the cover is equipped with slider 15 on the stand 14, be fixed with third hinge support 16 on the slider 15, still include second bracing piece 17, second bracing piece 17 both ends are articulated with second hinge support 12 and the third hinge support 16 of homonymy respectively.
Through adopting above-mentioned technical scheme, outside baffle 3 can also be supported by second bracing piece 17 simultaneously except can being supported by first bracing piece 13, and slider 15 realizes when the range is supported in adjustment outside baffle 3, and first bracing piece 13 can realize shifting up in step on stand 14 along with the in-process that outside baffle 3 moved up. As shown in fig. 1, the second support rod 17 is in an inclined state, after the outer baffle 3 bears pressure, the second support rod 17 presses the slider 15 against the upright post 14, and due to the static friction between the slider 15 and the upright post 14, the slider 15 is under a certain range of the oblique pressure from the second support rod 17, and as long as the downward component of the force is smaller than the static friction between the slider and the upright post 14, a partial support effect can be achieved.
As the preferred setting of the embodiment of the utility model discloses, furtherly, evenly distributed has a plurality of screw 18 on the stand 14, be provided with on the slider 15 can with the through-hole that the screw 18 corresponds, slider 15 and stand 14 are through inserting the through-hole is fastened with the bolt 19 in the screw 18.
Through adopting above-mentioned technical scheme, pass through bolted connection with slider 15 and stand, make slider 15 fixed, the pressure-bearing effect is better this moment, even under great pressure, slider 15 also can remain fixed, makes second bracing piece 17 continuously support outside baffle.
As the preferred setting of the embodiment of the present invention, further, the distance between the two through holes is an integral multiple of the distance between the two adjacent screw holes 18.
Through adopting above-mentioned technical scheme, preferably, distance between two through-holes is 1 or 2 times of distance between two adjacent screw 18, so set up, guarantees that the upside through-hole on the slider 15 as long as with arbitrary screw 18 alignment back, the downside through-hole can both align with another screw 18. Further, more through holes can be arranged on the slider 15, but as long as the distance between two adjacent through holes is an integral multiple of the distance between two adjacent screw holes 18, each through hole can have the screw hole 18 aligned with the through hole.
As the preferred setting of the embodiment of the present invention, further, the supporting column 7 is provided with two sides with the inclined supporting rod 20 of the top baffle 2.
Through adopting above-mentioned technical scheme, reinforcing top baffle 2's stability improves its supporting effect, and simultaneously, the bracing piece 20 that inclines makes 2 both sides of top baffle also can be by fine support, avoids causing 2 both sides of top baffle to take place to bend the deformation downwards because of middle part stress concentration, improves its life.
As the utility model discloses preferred setting, furtherly, connecting piece 6 is the cylindrical connecting piece of H shape for the cross-section, both ends pass through the bolt fastening with support column 7, first pneumatic cylinder piston rod 5 respectively about connecting piece 6.
Through adopting above-mentioned technical scheme, support column 7 and first pneumatic cylinder piston rod 5 are inserted in the recess at the cylindrical connecting piece both ends that the cross-section is H shape, and rethread bolt-up makes support column 7, connecting piece 6, the coaxial setting of first pneumatic cylinder piston rod 5, makes the support column 7 pressure-bearing effect better.
As the preferred setting of the embodiment of the present invention, further, the sliding seat 8 includes the bottom plate 21 and the sleeve 22 disposed at the middle position of the bottom plate, the middle position of the bottom plate 21 is provided with a circular hole having the same radius as that of the inner ring of the sleeve 22, and the bottom plate 21 and the sleeve 22 are integrally formed.
Through adopting above-mentioned technical scheme, integrated into one piece's 8 pressure-bearing effects are stronger, and the first hinge support 11 pressure-bearing that sets up on the sleeve 22 simultaneously sets up in bottom plate 21 intermediate position, makes the atress of bottom plate 21 both sides even, and the pressure-bearing effect is fine, and the structure is more stable, is difficult for leading to certain one side to take place to warp.
In summary, the utility model realizes the adjustment of the top baffle 2 in the height direction by controlling the first hydraulic cylinder 4, is suitable for coal mine tunnels with different heights, controls the supporting amplitude of the outer baffle 3 by the second hydraulic cylinder 9, is suitable for coal mine tunnels with different widths, has wide application range, and breaks the limitation of the prior art; by adjusting the height and the supporting amplitude, the top baffle 2 and the outer side baffle 3 can be better attached to the top of the roadway, so that the supporting effect is enhanced; the multi-point support has stronger stability.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "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; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Claims (7)
1. A coal mine roadway supporting device comprises a base, a top baffle and outer side baffles hinged to two sides of the top baffle, and is characterized in that a first hydraulic cylinder is arranged in the middle of the base, a piston rod of the first hydraulic cylinder is connected with a supporting column through a connecting piece, and the top end of the supporting column is fixedly connected with the top baffle; the support column is sleeved with a sliding seat, two second hydraulic cylinders are symmetrically arranged on two sides of the first hydraulic cylinder, and piston rods of the two second hydraulic cylinders are fixedly connected with two ends of the bottom of the sliding seat respectively; the sliding seat is provided with first hinge supports on two sides, a second hinge support is arranged in the middle of the two outer side baffles, the sliding seat further comprises two first supporting rods, and two ends of each first supporting rod are hinged to the first hinge supports and the second hinge supports on the same side respectively.
2. The coal mine roadway support device according to claim 1, wherein columns are arranged on two sides of the base, a sliding block is sleeved on each column, a third hinge support is fixed on each sliding block, and the coal mine roadway support device further comprises a second support rod, and two ends of the second support rod are respectively hinged with the second hinge support and the third hinge support on the same side.
3. The coal mine roadway support device of claim 2, wherein a plurality of screw holes are uniformly distributed on the upright column, through holes capable of corresponding to the screw holes are arranged on the sliding block, and the sliding block and the upright column are fastened through bolts inserted into the through holes and the screw holes.
4. A coal mine roadway support apparatus as claimed in claim 3, wherein the distance between the through holes is an integral multiple of the distance between two adjacent screw holes.
5. A coal mine roadway support apparatus as claimed in claim 1, wherein inclined support bars are provided on both sides of the support column and fixedly connected to the top baffle.
6. The coal mine roadway support device according to claim 1, wherein the connecting piece is a cylindrical connecting piece with an H-shaped section, and the upper end and the lower end of the connecting piece are respectively fixed with the support column and the piston rod of the first hydraulic cylinder through bolts.
7. The coal mine roadway support device of claim 1, wherein the sliding seat comprises a bottom plate and a sleeve arranged in the middle of the bottom plate, the middle of the bottom plate is provided with a round hole with the same radius as that of the inner ring of the sleeve, and the bottom plate and the sleeve are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022130230.3U CN214007176U (en) | 2020-09-25 | 2020-09-25 | Coal mine tunnel supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022130230.3U CN214007176U (en) | 2020-09-25 | 2020-09-25 | Coal mine tunnel supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214007176U true CN214007176U (en) | 2021-08-20 |
Family
ID=77298708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022130230.3U Expired - Fee Related CN214007176U (en) | 2020-09-25 | 2020-09-25 | Coal mine tunnel supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214007176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263194A (en) * | 2022-02-17 | 2022-04-01 | 姬蹬辉 | Supporting structure for constructing underpass high-speed railway |
| CN115875061A (en) * | 2023-03-08 | 2023-03-31 | 北京工业大学 | High-pressure-bearing tunnel supporting structure |
-
2020
- 2020-09-25 CN CN202022130230.3U patent/CN214007176U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263194A (en) * | 2022-02-17 | 2022-04-01 | 姬蹬辉 | Supporting structure for constructing underpass high-speed railway |
| CN114263194B (en) * | 2022-02-17 | 2023-10-20 | 中交四航局第三工程有限公司 | Support structure for building underpass high-speed railway |
| CN115875061A (en) * | 2023-03-08 | 2023-03-31 | 北京工业大学 | High-pressure-bearing tunnel supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20210820 |