CN210977536U - Coal mine production underground safety protection device - Google Patents
Coal mine production underground safety protection device Download PDFInfo
- Publication number
- CN210977536U CN210977536U CN201921867635.6U CN201921867635U CN210977536U CN 210977536 U CN210977536 U CN 210977536U CN 201921867635 U CN201921867635 U CN 201921867635U CN 210977536 U CN210977536 U CN 210977536U
- Authority
- CN
- China
- Prior art keywords
- bracing piece
- plate
- base
- rod
- coal mine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000008093 supporting effect Effects 0.000 claims abstract description 34
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000005553 drilling Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Images
Landscapes
- Chutes (AREA)
Abstract
The utility model discloses a coal mine production safety device in pit, including a plurality of bracing pieces, the bracing piece bottom is provided with the base, the base periphery is provided with a plurality of symmetric distributions's supplementary supporting mechanism, the bracing piece top is provided with the backup pad, the backup pad includes connecting plate and fixed plate, the connecting plate is fixed on the bracing piece top, the fixed plate is through a plurality of evenly distributed's spring setting in the connecting plate top, the fixed plate top is connected with the roof through a supporting beam, the utility model discloses support effectually to can finely tune the bracing piece height according to actual conditions, guarantee support intensity, improve the security.
Description
Technical Field
The utility model relates to a coal mine safety equipment technical field specifically is a safety device in colliery production well.
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. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks. The underground coal mine protection equipment is important equipment for underground coal mine excavation and plays an important role in protecting the safety of personnel. The existing underground safety protection device has the problems of incapability of adjusting, poor supporting effect and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety device in colliery production well to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a colliery production safety device in pit, includes a plurality of bracing pieces, the bracing piece bottom is provided with the base, the base periphery is provided with a plurality of symmetric distribution's supplementary supporting mechanism, the bracing piece top is provided with the backup pad, the backup pad includes connecting plate and fixed plate, the connecting plate is fixed on the bracing piece top, the fixed plate sets up in the connecting plate top through a plurality of evenly distributed's spring, the fixed plate top is connected with the roof through a supporting beam.
Preferably, the top plate is an arc-shaped plate with the middle part protruding upwards.
Preferably, the support rod comprises a fixed rod and a connecting rod, the fixed rod is fixed at the top end of the base, a chute is arranged in the fixed rod, a first slider is arranged in the chute in a sliding manner, the top end of the connecting rod is fixedly connected to the support plate, the bottom end of the connecting rod extends into the chute and is connected with the first slider, a driving groove is arranged below the chute, a second slider is arranged in the driving groove in a sliding manner and is connected with the first slider through a plurality of connecting rods, a lifting screw is rotatably arranged in the driving groove, the second slider is arranged at the periphery of the lifting screw through a threaded connection sleeve, a first bevel gear is fixedly sleeved at the periphery of the lifting screw, one end of the first bevel gear is connected with a second bevel gear in a meshing manner, one end of the second bevel gear is fixedly connected with a rotating rod, and one, and a hand wheel is installed.
Preferably, the periphery of the connecting rod is sleeved with a buffer spring, and the buffer spring is arranged between the first sliding block and the bottom end inside the sliding chute.
Preferably, the auxiliary supporting mechanism comprises a sleeve, an internal thread is arranged on the surface of the inner side wall of the sleeve, a first screw rod and a second screw rod are rotatably connected to the inside of the sleeve through threads, an auxiliary supporting plate is rotatably connected to one end of the base through a hinge, one end of the second screw rod, far away from the sleeve, is rotatably connected to the supporting rod, and one end, far away from the sleeve, of the first screw rod is rotatably connected to the auxiliary supporting plate.
Preferably, a plurality of ground drilling nails are arranged on the auxiliary supporting plate and the bottom end of the base.
Compared with the prior art, the beneficial effects of the utility model are that: the top plate is an arc-shaped plate with the middle part protruding upwards, and the arc-shaped plate can adapt to an arc-shaped tunnel and has a better supporting effect on the top; the hand wheel is rotated, the second bevel gear is meshed with the first bevel gear to drive the lifting screw to rotate, so that the second sliding block is driven to lift, the second sliding block drives the first sliding block to lift through the connecting rod, the connecting rod is driven to move relative to the fixed rod in a lifting mode, the length of the supporting rod is adjusted, when the height of the tunnel changes, fine adjustment can be conducted according to actual conditions, an overlarge gap between the top plate and the top of the tunnel is avoided, and the supporting effect is good; the first screw and the second screw move towards the outside of the sleeve by rotating the sleeve, so that the auxiliary support plate is driven to rotate around the joint with the base until the auxiliary support plate and the base are kept horizontal, the contact area of the support rod and the ground is enlarged, and the support stability is improved; the ground drilling nail drills into the ground, and the supporting strength is improved. The utility model discloses the support effect is good to can finely tune the bracing piece height according to actual conditions, guarantee to support intensity, improve the security.
Drawings
FIG. 1 is a schematic structural view of a coal mine production downhole safety shield;
FIG. 2 is a schematic structural view of a support rod in a coal mine production downhole safety device;
fig. 3 is an enlarged view of a point a in fig. 1.
In the figure: 1-supporting rod, 2-base, 3-auxiliary supporting mechanism, 4-connecting plate, 5-spring, 6-fixing plate, 7-supporting beam, 8-top plate, 9-fixing rod, 10-connecting rod, 11-sliding chute, 12-first sliding block, 13-driving sliding chute, 14-second sliding block, 15-connecting rod, 16-buffer spring, 17-lifting screw, 18-first bevel gear, 19-second bevel gear, 20-rotating rod, 21-hand wheel, 22-auxiliary supporting plate, 23-first screw, 24-second screw, 25-sleeve and 26-ground nail.
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 to 3, the present invention provides a technical solution: the utility model provides a colliery production safety device in pit, includes a plurality of bracing pieces 1, 1 bottom of bracing piece is provided with base 2, 2 peripheries of base are provided with a plurality of symmetric distributions's supplementary supporting mechanism 3, 1 top of bracing piece is provided with the backup pad, the backup pad includes connecting plate 4 and fixed plate 6, 1 top at the bracing piece is fixed to connecting plate 4, fixed plate 6 sets up in connecting plate 4 top through a plurality of evenly distributed's spring 5, 6 tops of fixed plate are connected with roof 8 through a supporting beam 7, and spring 5 pressurized compression can produce ascending pressure to roof 8 of top during the support, and when the gallery top because unexpected circumstances such as vibration and roof 8 produce the gap, spring 5 orders about roof 8 upwards displacement, guarantees roof 8 and can keep with the contact at gallery top, guarantees the supporting effect.
The support rod 1 comprises a fixed rod 9 and a connecting rod 10, the fixed rod 9 is fixed at the top end of a base 2, a chute 11 is arranged inside the fixed rod 9, a first slider 12 is arranged in the chute 11 in a sliding manner, the top end of the connecting rod 10 is fixedly connected to a support plate, the bottom end of the connecting rod extends into the chute 11 and is connected with the first slider 12, a driving groove 13 is arranged below the chute 11, a second slider 14 is arranged in the driving groove 13 in a sliding manner, the second slider 14 is connected with the first slider 12 through a plurality of connecting rods 15, a lifting screw 17 is rotatably arranged inside the driving groove 13, the second slider 14 is sleeved on the periphery of the lifting screw 17 through threaded connection, a first bevel gear 18 is fixedly sleeved on the periphery of the lifting screw 17, one end of the first bevel gear 18 is engaged with a second bevel gear 19, and one end of the second bevel gear, the one end that dwang 20 kept away from second bevel gear 19 extends to dead lever 9 outside, and install hand wheel 21, rotatory hand wheel 21, utilize second bevel gear 19 to be connected with first bevel gear 18's meshing, drive lifting screw 17 is rotatory, thereby drive second slider 14 lift, second slider 14 drives first slider 12 lift through the connecting rod, and then drive connecting rod 10 for dead lever 9 lifting movement, adjust through the length to the bracing piece, thereby when gallery height changes, can finely tune according to actual conditions, avoid producing too big gap in the middle of roof and the gallery top, and the supporting effect is good.
The periphery of the connecting rod 15 is sleeved with a buffer spring 16, and the buffer spring 16 is arranged between the first sliding block 12 and the bottom end inside the sliding chute 11.
The utility model discloses a support structure 3, including the sleeve 25, the inside wall surface of sleeve 25 is provided with the internal thread, sleeve 25 is inside to be connected with first screw 23 and second screw 24 through the screw thread rotation, the one end of base 2 is rotated through the hinge and is connected with auxiliary supporting plate 22, the one end that sleeve 25 was kept away from to second screw 24 is rotated and is connected on bracing piece 1, the one end that sleeve 25 was kept away from to first screw 23 is rotated and is connected on auxiliary supporting plate 22, through rotatory sleeve 25 for first screw 23 and second screw 24 move to sleeve 25 outside, thereby it is rotatory around the junction with base 2 to drive auxiliary supporting plate 22, keep the level up to auxiliary supporting plate 22 and base 2, thereby play the effect of expanding bracing piece and ground area of contact, improve support stability.
The auxiliary supporting plate 22 and the bottom end of the base 2 are provided with a plurality of ground drilling nails 26, and the ground drilling nails 26 are drilled into the ground to increase the supporting strength.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a colliery is safety device in pit, includes a plurality of bracing pieces (1), its characterized in that: the utility model discloses a bracing piece, including bracing piece (1), base (2), bracing piece (1) bottom is provided with base (2), base (2) periphery is provided with a plurality of symmetric distribution's supplementary supporting mechanism (3), bracing piece (1) top is provided with the backup pad, the backup pad includes connecting plate (4) and fixed plate (6), bracing piece (1) top is fixed in connecting plate (4), spring (5) through a plurality of evenly distributed set up in connecting plate (4) top fixed plate (6) top is connected with roof (8) through a supporting beam (7).
2. The coal mine production downhole safety device of claim 1, wherein: the top plate (8) is an arc-shaped plate with the middle part protruding upwards.
3. The coal mine production downhole safety device of claim 1, wherein: the supporting rod (1) comprises a fixing rod (9) and a connecting rod (10), the fixing rod (9) is fixed to the top end of the base (2), a sliding groove (11) is formed in the fixing rod (9), a first sliding block (12) is arranged in the sliding groove (11) in a sliding mode, the top end of the connecting rod (10) is fixedly connected to the supporting plate, the bottom end of the connecting rod extends into the sliding groove (11) and is connected with the first sliding block (12), a driving groove (13) is formed in the lower portion of the sliding groove (11), a second sliding block (14) is arranged in the driving groove (13) in a sliding mode, the second sliding block (14) is connected with the first sliding block (12) through a plurality of connecting rods (15), a lifting screw rod (17) is rotatably arranged in the driving groove (13), the second sliding block (14) is sleeved on the periphery of the lifting screw rod (17) through threaded connection, a first bevel gear (18, the one end meshing of first bevel gear (18) is connected with second bevel gear (19), the one end fixedly connected with dwang (20) of second bevel gear (19), the one end that second bevel gear (19) were kept away from in dwang (20) extends to dead lever (9) outside to install hand wheel (21).
4. A coal mine production downhole safety shield according to claim 3, wherein: the periphery of the connecting rod (15) is sleeved with a buffer spring (16), and the buffer spring (16) is arranged between the first sliding block (12) and the bottom end inside the sliding chute (11).
5. The coal mine production downhole safety device of claim 1, wherein: the utility model discloses a supporting structure, including supplementary supporting mechanism (3), the inside wall surface of sleeve (25) is provided with the internal thread, sleeve (25) inside is connected with first screw rod (23) and second screw rod (24) through the screw rotation, the one end of base (2) is connected with auxiliary stay board (22) through the hinge rotation, the one end that sleeve (25) were kept away from in second screw rod (24) is rotated and is connected on bracing piece (1), the one end that sleeve (25) were kept away from in first screw rod (23) is rotated and is connected on auxiliary stay board (22).
6. The coal mine production downhole safety device of claim 5, wherein: and a plurality of ground drilling nails (26) are arranged at the bottom ends of the auxiliary supporting plate (22) and the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867635.6U CN210977536U (en) | 2019-10-31 | 2019-10-31 | Coal mine production underground safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867635.6U CN210977536U (en) | 2019-10-31 | 2019-10-31 | Coal mine production underground safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210977536U true CN210977536U (en) | 2020-07-10 |
Family
ID=71458100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921867635.6U Expired - Fee Related CN210977536U (en) | 2019-10-31 | 2019-10-31 | Coal mine production underground safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210977536U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894638A (en) * | 2020-08-07 | 2020-11-06 | 无锡广兴东茂科技有限公司 | Opening supporting steel structure for coal mine mining |
| CN112012775A (en) * | 2020-07-16 | 2020-12-01 | 西安科技大学 | Crawler-type gantry drilling and anchoring robot |
| CN112065473A (en) * | 2020-08-03 | 2020-12-11 | 山东省煤田地质规划勘察研究院 | Device for preventing rock burst of coal mining working face |
| CN112160776A (en) * | 2020-10-10 | 2021-01-01 | 黑龙江工业学院 | Supporting device with protection function for coal mine safety construction |
| CN113756853A (en) * | 2021-07-31 | 2021-12-07 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protector |
-
2019
- 2019-10-31 CN CN201921867635.6U patent/CN210977536U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012775A (en) * | 2020-07-16 | 2020-12-01 | 西安科技大学 | Crawler-type gantry drilling and anchoring robot |
| CN112065473A (en) * | 2020-08-03 | 2020-12-11 | 山东省煤田地质规划勘察研究院 | Device for preventing rock burst of coal mining working face |
| CN111894638A (en) * | 2020-08-07 | 2020-11-06 | 无锡广兴东茂科技有限公司 | Opening supporting steel structure for coal mine mining |
| CN112160776A (en) * | 2020-10-10 | 2021-01-01 | 黑龙江工业学院 | Supporting device with protection function for coal mine safety construction |
| CN112160776B (en) * | 2020-10-10 | 2023-01-20 | 黑龙江工业学院 | Supporting device with protection function for coal mine safety construction |
| CN113756853A (en) * | 2021-07-31 | 2021-12-07 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protector |
| CN113756853B (en) * | 2021-07-31 | 2024-05-10 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210977536U (en) | Coal mine production underground safety protection device | |
| CN109519672A (en) | A kind of mine monitoring probe fixing device facilitating adjustment height | |
| CN205349380U (en) | Prevent whole crest truncation support of gob entry pucking | |
| CN104405392A (en) | Three-soft thick coal seam roadway top-support bottom-retaining anchor-net cable active supporting fully-mechanized caving mining method | |
| CN116816410A (en) | Adjustable hydraulic support frame for extremely thin layer coal mine | |
| CN212898315U (en) | Reaming device for underground coal mine geological exploration | |
| CN211081916U (en) | Colliery support that security performance is good | |
| CN210888946U (en) | Tunneling device for coal mine | |
| CN211258660U (en) | Strutting arrangement for coal mine operation | |
| CN216894459U (en) | Coal mine development roadway support equipment | |
| CN218265982U (en) | Supporting device for coal mine excavation safety protection | |
| CN217233549U (en) | Coal mine roadway supporting device | |
| CN212690075U (en) | Supporting device for coal mining | |
| CN213331156U (en) | Hydraulic support for underground coal mine | |
| CN213928385U (en) | Underground coal mine support device | |
| CN213574165U (en) | Coal mine tunneling and supporting device | |
| CN210335846U (en) | Equipment maintenance workbench for underground trackless transportation in coal mining | |
| CN213597988U (en) | Colliery tunnelling supporting device with regulatory function | |
| CN218151003U (en) | Supporting device for coal mine safety production | |
| CN211174178U (en) | Colliery tunnelling supporting device with regulatory function | |
| CN213116349U (en) | Mining tunneling shield support for coal mine | |
| CN210919104U (en) | Coal mine tunneling and supporting device | |
| CN218376507U (en) | Coal mine tunneling and supporting device | |
| CN216788396U (en) | Mining entry driving machine assists climbing system at inclination 0-35 ° | |
| CN216642138U (en) | Mining supporting steel belt lifting frame for coal mine heading face |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20201031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |