CN108894806A - A kind of coal mine roadway safety support device - Google Patents
A kind of coal mine roadway safety support device Download PDFInfo
- Publication number
- CN108894806A CN108894806A CN201810681218.6A CN201810681218A CN108894806A CN 108894806 A CN108894806 A CN 108894806A CN 201810681218 A CN201810681218 A CN 201810681218A CN 108894806 A CN108894806 A CN 108894806A
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- Prior art keywords
- fixedly connected
- support device
- square tube
- pressed pole
- shaped
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- 239000003245 coal Substances 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 abstract description 7
- 101150097977 arch-1 gene Proteins 0.000 description 11
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
-
- 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
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a kind of coal mine roadway safety support devices, encircle including U-shaped, fixed device is run through in the lower end of the U-shaped arch, the fixed device includes square tube, two first pistons and push rod, the side walls of two first pistons are connected on the inner sidewall of square tube, it can be good at playing fixed function by the way that fixed device is added, fixed device and support device cooperate, so that support effect is more preferable, it can be good at playing a supporting role by the way that support device is added, timely alarm function can be played by the way that alarm bell, static contact and movable contact spring is added.
Description
Technical field
The present invention relates to coal mining equipment technical field, specially a kind of coal mine roadway safety support device.
Background technique
In recent years, with the increase of coal mining depth and mechanical horizontal raising, stope drift active workings section is gradually increased, mine
Mountain pressure is gradually increased.Current suspension device bending resistance and twisting resistance are weak, after pressure increases to a certain extent, are easy to appear torsion
Tiltedly, the breakoff phenomenons such as press-bending, deformation, supporting effect is poor, cannot safeguard the stabilization of roadway surrounding rock body well, canopy leg is vulnerable to side pressure
Effect becomes song into semicircle, and tunnel bottom width is caused to narrow, and supporting safety coefficient is low, is easy to happen the person and roof accident, thus
It is proposed a kind of coal mine roadway safety support device.
Summary of the invention
The purpose of the present invention is to provide a kind of coal mine roadway safety support devices, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the present invention provides the following technical solutions：
A kind of coal mine roadway safety support device, including U-shaped arch, fixed device is run through in the lower end of the U-shaped arch, described
Fixed device includes that square tube, two first pistons and push rod, the side walls of two first pistons are connected to the interior of square tube
On side wall, the mutually separate side of two first pistons is fixedly connected with one end of push rod, and the other end of the push rod is fixed
It is connected with U-shaped block, the U-shaped block is actively set on U-shaped arch and is located on one section of lateral wall in square tube, and the middle part of the square tube is fixed
It is plugged with sleeve, the lower end of the sleeve is fixedly connected on the inner sidewall of square tube, is offered in the bottom side of the wall of the sleeve
Two flow orifices slidably connect second piston on the inner sidewall of the sleeve, and the upper end of the second piston is fixedly connected with
Hold-down devices；
The hold-down devices include arc-like sheet, elliptical ring and down-pressed pole, and the lower end of the down-pressed pole is fixedly connected on second
The upper end of the upper end of piston, the down-pressed pole is fixedly connected through support device and with elliptical ring, one section of side of the down-pressed pole
The first teeth are symmetrically offered on wall, the elliptical ring is actively set on one section of lateral wall of U-shaped arch, the upper end of the elliptical ring
It is fixedly connected with arc-like sheet；
The support device includes fixed case and two partitions, and the lower end of the fixed case is fixedly connected on the upper of sleeve
End, two partitions are symmetrically connected in fixed box inner wall, offer strip-shaped hole on the partition, the strip-shaped hole it is interior
Side wall is connected with gear by bar rotation, and the opposite side of two gears is engaged with the first teeth on down-pressed pole side wall
Connection, there are two L shape bars for the upper end activity grafting of the fixed case, and two L shape bars are symmetrical about down-pressed pole, two L
Shape bar is located at side opposite in fixed case and offers the second teeth, on the mutually separate side of two gears and L shape bar
The engagement connection of second teeth, the lower end of two L shape bars are fixedly connected on the inner sidewall of fixed case by spring, two institutes
The one end for stating L shape bar transverse direction is fixedly connected with the same top plate, and the roof movement is socketed on one section of lateral wall of down-pressed pole.
Preferably, fixing sleeve is connected to the first protective case on one section of the upper end lateral wall of the U-shaped arch, and the U-shaped encircles lower end
One section of lateral wall on movable sleeve be connected to the second protective case.
Preferably, movable sleeve is connected to fixed cylinder on one section of lateral wall that the U-shaped arch is located in the second protective case, described solid
The upper end of safety barrel is fixedly connected on the lower end of square tube.
Preferably, the open end of the U-shaped block is symmetrically connected with two trident blocks.
Preferably, the top plate is arcuate structure.
Preferably, the down-pressed pole is located at movable sleeve on one section of lateral wall below top plate and is connected to link block, the connection
The side wall of block is fixedly connected on two opposite sides of L shape bar.
Preferably, static contact, fixed company on the side wall of the down-pressed pole are fixedly connected on the inner sidewall of the fixed case
It is connected to the movable contact spring to match with static contact.
Preferably, the upper end of the square tube is fixedly connected with alarm bell.
Compared with prior art, the beneficial effects of the invention are as follows：When mine pressure increases, the upper end of U-shaped arch can occur
It distorting, arc-like sheet can move downward first, so that elliptical ring is driven to move downward, and the movement of elliptical ring will drive down
Compression bar moves downward, and down-pressed pole is during moving downward, and when movable contact spring and static contact contact, alarm bell is remembered at this time,
It reminds miner to have the danger of collapsing herein, needs timely to carry out maintenance；
The movement of down-pressed pole will drive gear movement, and the rotation of gear will drive two L shape bars and rise, and thus make
The upper end for obtaining top plate constantly resists the side wall of U-shaped arch, can thus play a supporting role, so that the upper end of U-shaped arch
The pressure of top can preferably be resisted；
When pressure is excessive, down-pressed pole can be moved downward always, and second piston can be made to follow movement, at this point, due to
Hydraulic oil in sleeve can be pressed downward by the movement of two pistons, so that hydraulic oil constantly enters in square tube, so that square tube
Two interior first pistons are moved to mutually separate direction, and the movement of first piston will drive pushrod movement, and the movement of push rod
It will drive the movement of U-shaped block again, so that the trident block on U-shaped block is constantly inserted on the hole wall in mine hole, therefore can reach
Support and fixed function well；
At the same time, when the pressure of top is excessive, can square tube be moved downward, and the movement of square tube just will drive fixation
Cylinder moves downward, and the movement meeting of fixed cylinder is so that the lower end of fixed cylinder constantly penetrates in the lower section soil in mine hole, therefore can
To play the role of fixing and supporting.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the portion A of the present invention structure enlargement diagram；
Fig. 3 is section B-B enlarged diagram of the present invention.
In figure：U-shaped encircle the 1, first protective case 2, the second protective case 3, hold-down devices 4, arc-like sheet 401, elliptical ring 402, under
Compression bar 403, fixed device 5, square tube 501, first piston 502, push rod 503, U-shaped block 504, trident block 505, fixed cylinder 506, set
Cylinder 6, support device 8, fixed case 801, partition 802, gear 803, spring 804, L shape bar 805, top plate 806, connects second piston 7
Connect block 807, alarm bell 9, static contact 10, movable contact spring 11.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution：
A kind of coal mine roadway safety support device, including U-shaped arch 1, fixed device 5 is run through in the lower end of U-shaped arch 1, fixed
Device 5 includes that 501, two first pistons 502 of square tube and push rod 503, the side walls of two first pistons 502 are connected to square tube
On 501 inner sidewall, the mutually separate side of two first pistons 502 is fixedly connected with one end of push rod 503, push rod 503 it is another
One end is fixedly connected with U-shaped block 504, and U-shaped block 504 is actively set on U-shaped arch 1 and is located on one section of lateral wall in square tube 501, square tube
501 middle part fixation is plugged with sleeve 6, and the lower end of sleeve 6 is fixedly connected on the inner sidewall of square tube 501, the lower end side of sleeve 6
It is opened up on wall there are two flow orifice, second piston 7 is slidably connected on the inner sidewall of sleeve 6, the upper end of second piston 7 is fixed to be connected
It is connected to hold-down devices 4；
Hold-down devices 4 include arc-like sheet 401, elliptical ring 402 and down-pressed pole 403, and the lower end of down-pressed pole 403 is fixedly connected on
The upper end of the upper end of second piston 7, down-pressed pole 403 is fixedly connected through support device 8 and with elliptical ring 402, down-pressed pole 403
The first teeth are symmetrically offered on one section of side wall, elliptical ring 402 is actively set on one section of lateral wall of U-shaped arch 1, elliptical ring 402
Upper end be fixedly connected with arc-like sheet 401；
Support device 8 includes that fixed case 801 and two partitions 802, the lower end of fixed case 801 are fixedly connected on sleeve 6
Upper end, two partitions 802 are symmetrically connected on 801 inner sidewall of fixed case, offer strip-shaped hole on partition 802, strip-shaped hole it is interior
Side wall is connected with gear 803 by bar rotation, the first tooth on the opposite side of two gears 803 and 403 side wall of down-pressed pole
Tooth engagement connection, there are two L shape bars 805 for the upper end activity grafting of fixed case 801, and two L shape bars 805 are about down-pressed pole 403
Symmetrically, two L shape bars 805 are located at side opposite in fixed case 801 and offer the second teeth, and two gears 803 are mutually separate
Side engages connection with the second teeth on L shape bar 805, and the lower end of two L shape bars 805 is fixedly connected on by spring 804
On the inner sidewall for determining case 801, two lateral one end of L shape bar 805 are fixedly connected with the same top plate 806,806 movable sleeve of top plate
It connects on one section of lateral wall of down-pressed pole 403；
Fixing sleeve is connected to the first protective case 2 on one section of the upper end lateral wall of U-shaped arch 1, and U-shaped encircles one section of lateral wall of 1 lower end
Upper movable sleeve is connected to the second protective case 3, and the first protective case 2 and the second protective case 3 can encircle 1 to U-shaped and play a protective role, prevent
U-shaped arch 1 is corroded；
U-shaped arch 1 is located at movable sleeve on one section of lateral wall in the second protective case 3 and is connected to fixed cylinder 506,506 energy of fixed cylinder
Enough to play fixed function well, the upper end of fixed cylinder 506 is fixedly connected on the lower end of square tube 501；
The open end of U-shaped block 504 is symmetrically connected with two trident blocks 505, and trident block 505 can be good at being inserted into mine hole
On the wall of hole, but also can be anti-skidding；
Top plate 806 is arcuate structure, and the top plate 806 of arc can be good at the side wall for being bonded U-shaped arch 1；
Down-pressed pole 403 is located at movable sleeve on one section of lateral wall of 806 lower section of top plate and is connected to link block 807, link block 807
Side wall is fixedly connected on two opposite sides of L shape bar 805；
Static contact 10 is fixedly connected on the inner sidewall of fixed case 801, be fixedly connected on the side wall of down-pressed pole 403 with it is quiet
The movable contact spring 11 that contact 10 matches；The upper end of square tube 501 is fixedly connected with alarm bell 9, and this makes it possible to timely play prompting
Effect.
Working principle：When mine pressure increases, the upper end of U-shaped arch 1 can deform distortion, 401 meeting of arc-like sheet first
It moves downward, so that elliptical ring 402 is driven to move downward, and the movement of elliptical ring 402 will drive down-pressed pole 403 and transport downwards
Dynamic, and down-pressed pole 403 is during moving downward, when movable contact spring 11 and static contact 10 contact, alarm bell 9 is remembered at this time, moves
Contact 11, static contact 10, alarm bell 9 and external battery collectively constitute a series loop, and miner is reminded to have the danger of collapsing herein
Danger, needs timely to carry out maintenance；
The movement of down-pressed pole 403 will drive the movement of gear 803, and the rotation of gear 803 will drive two L shape bars 805
Rising, the upper end for allowing for top plate 806 so constantly resists the side wall of U-shaped arch 1, a supporting role can be thus played, from
And enable U-shaped arch 1 upper end preferably resist top pressure；
When pressure is excessive, down-pressed pole 403 can be moved downward always, and second piston 7 can be made to follow movement, at this point, by
In the movement of second piston 7, the hydraulic oil in sleeve 6 can be pressed downward, so that hydraulic oil constantly enters in square tube 501, from
And two first pistons 502 in square tube 501 are moved to mutually separate direction, the movement of first piston 502, which will drive, to be pushed away
Bar 503 moves, and the movement of push rod 503 will drive the movement of U-shaped block 504, so that the trident block 505 on U-shaped block 504 is not
On the hole wall in disconnected insertion mine hole, therefore support and fixed function well can be reached；
At the same time, when the pressure of top is excessive, square tube 501 can be made to move downward, and the movement of square tube 501 will band
Dynamic fixed cylinder 506 moves downward, and the movement meeting of fixed cylinder 506 is so that the lower end of fixed cylinder 506 constantly penetrates under mine hole
In square soil, therefore it can play the role of fixing and supporting.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of coal mine roadway safety support device, including U-shaped arch (1), it is characterised in that：The lower end of the U-shaped arch (1) is passed through
It fastening and determines device (5), the fixed device (5) includes square tube (501), two first pistons (502) and push rod (503), and two
The side walls of the first piston (502) are connected on the inner sidewall of square tube (501), two first piston (502) phases
Separate side is fixedly connected with the one end of push rod (503), and the other end of the push rod (503) is fixedly connected with U-shaped block
(504), the U-shaped block (504) is actively set on one section of lateral wall that U-shaped arch (1) is located in square tube (501), the square tube
(501) middle part fixation is plugged with sleeve (6), and the lower end of the sleeve (6) is fixedly connected on the inner sidewall of square tube (501),
It is opened up in the bottom side of the wall of the sleeve (6) there are two flow orifice, it is living that second is slidably connected on the inner sidewall of the sleeve (6)
It fills in (7), the upper end of the second piston (7) is fixedly connected with hold-down devices (4)；
The hold-down devices (4) include arc-like sheet (401), elliptical ring (402) and down-pressed pole (403), the down-pressed pole (403)
Lower end is fixedly connected on the upper end of second piston (7), the upper end of the down-pressed pole (403) through support device (8) and with ellipse
Ring (402) is fixedly connected, and the first teeth, the elliptical ring (402) are symmetrically offered on one section of side wall of the down-pressed pole (403)
It is actively set on one section of lateral wall of U-shaped arch (1), the upper end of the elliptical ring (402) is fixedly connected with arc-like sheet (401)；
The support device (8) includes fixed case (801) and two partitions (802), and the lower end of the fixed case (801) is fixed to be connected
The upper end in sleeve (6) is connect, two partitions (802) are symmetrically connected on fixed case (801) inner sidewall, the partition
(802) strip-shaped hole is offered on, the inner sidewall of the strip-shaped hole is connected with gear (803) by bar rotation, two teeth
Connection, the upper end of the fixed case (801) are engaged with the first teeth on down-pressed pole (403) side wall in the opposite side of wheel (803)
Activity grafting there are two L shape bar (805), and two L shape bars (805) about down-pressed pole (403) symmetrically, two L shape bars
(805) it is located at side opposite in fixed case (801) and offers the second teeth, the mutually separate side of two gears (803)
Connection is engaged with the second teeth on L shape bar (805), the lower end of two L shape bars (805) connects by the way that spring (804) are fixed
It connects on the inner sidewall of fixed case (801), one end of two L shape bar (805) transverse directions is fixedly connected with the same top plate
(806), the top plate (806) is actively socketed on one section of lateral wall of down-pressed pole (403).
2. a kind of coal mine roadway safety support device according to claim 1, it is characterised in that：The U-shaped arch (1)
Fixing sleeve is connected to the first protective case (2) on the lateral wall of one section of upper end, movable sleeve on one section of lateral wall of the U-shaped arch (1) lower end
It is connected to the second protective case (3).
3. a kind of coal mine roadway safety support device according to claim 2, it is characterised in that：The U-shaped encircles (1) position
It is connected to fixed cylinder (506) in movable sleeve on one section of lateral wall in the second protective case (3), the upper end of the fixed cylinder (506) is solid
Surely it is connected to the lower end of square tube (501).
4. a kind of coal mine roadway safety support device according to claim 1, it is characterised in that：The U-shaped block (504)
Open end be symmetrically connected with two trident blocks (505).
5. a kind of coal mine roadway safety support device according to claim 1, it is characterised in that：The top plate (806)
For arcuate structure.
6. a kind of coal mine roadway safety support device according to claim 1, it is characterised in that：The down-pressed pole
(403) it is located at movable sleeve on one section of lateral wall below top plate (806) to be connected to link block (807), the side of the link block (807)
Wall is fixedly connected on two opposite sides of L shape bar (805).
7. a kind of coal mine roadway safety support device according to claim 1, it is characterised in that：The fixed case
(801) it is fixedly connected with static contact (10), is fixedly connected on the side wall of the down-pressed pole (403) and static contact on inner sidewall
(10) movable contact spring (11) to match.
8. a kind of coal mine roadway safety support device according to claim 1, it is characterised in that：The square tube (501)
Upper end be fixedly connected with alarm bell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681218.6A CN108894806B (en) | 2018-06-27 | 2018-06-27 | A kind of coal mine roadway safety support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681218.6A CN108894806B (en) | 2018-06-27 | 2018-06-27 | A kind of coal mine roadway safety support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894806A true CN108894806A (en) | 2018-11-27 |
| CN108894806B CN108894806B (en) | 2019-10-08 |
Family
ID=64346772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810681218.6A Active CN108894806B (en) | 2018-06-27 | 2018-06-27 | A kind of coal mine roadway safety support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894806B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067576A (en) * | 2019-05-05 | 2019-07-30 | 李帅 | A kind of extruded swelling rock road tunnel suspension device |
| CN110985126A (en) * | 2019-12-24 | 2020-04-10 | 胡美兰 | Tunnel support top layer settlement early warning device |
| CN111456768A (en) * | 2020-04-21 | 2020-07-28 | 青岛理工大学 | Supporting device and method for mine roadway |
| CN113482669A (en) * | 2021-08-10 | 2021-10-08 | 吴月晨 | Urban underground space engineering excavation supporting device |
| CN113585039A (en) * | 2021-09-22 | 2021-11-02 | 重庆交通大学 | Tortoise shell bionic arch structure and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067576A (en) * | 2019-05-05 | 2019-07-30 | 李帅 | A kind of extruded swelling rock road tunnel suspension device |
| CN110067576B (en) * | 2019-05-05 | 2021-10-01 | 厦门鹭恒达建筑工程有限公司 | Extrusion expansion rock highway tunnel supporting device |
| CN110985126A (en) * | 2019-12-24 | 2020-04-10 | 胡美兰 | Tunnel support top layer settlement early warning device |
| CN110985126B (en) * | 2019-12-24 | 2021-02-19 | 山西华坤机械有限公司 | Tunnel support top layer settlement early warning device |
| CN111456768A (en) * | 2020-04-21 | 2020-07-28 | 青岛理工大学 | Supporting device and method for mine roadway |
| CN113482669A (en) * | 2021-08-10 | 2021-10-08 | 吴月晨 | Urban underground space engineering excavation supporting device |
| CN113482669B (en) * | 2021-08-10 | 2024-01-16 | 吴月晨 | Urban underground space engineering excavation supporting device |
| CN113585039A (en) * | 2021-09-22 | 2021-11-02 | 重庆交通大学 | Tortoise shell bionic arch structure and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108894806B (en) | 2019-10-08 |
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