CN113047882A - Underground temporary supporting device - Google Patents
Underground temporary supporting device Download PDFInfo
- Publication number
- CN113047882A CN113047882A CN202110222150.7A CN202110222150A CN113047882A CN 113047882 A CN113047882 A CN 113047882A CN 202110222150 A CN202110222150 A CN 202110222150A CN 113047882 A CN113047882 A CN 113047882A
- Authority
- CN
- China
- Prior art keywords
- supporting beam
- supporting
- lower supporting
- last
- hydraulic cylinder
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
- E21D23/0021—Pile type supports comprising two walking elements
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
Abstract
The invention discloses an underground temporary supporting device which is high in practicability and safety coefficient during supporting, and can be used for a supporting device of a coal mine tunneling operation face, so that the underground temporary supporting device has the purpose of higher practicability. Including two support frames, the support frame includes two lower supporting beam that are parallel to each other, as an organic whole through linking bridge fixed connection between two lower supporting beam, be provided with on every lower supporting beam with one earlier on to the last supporting beam to right, be provided with strutting arrangement between lower supporting beam and last supporting beam, strutting arrangement can drive the upper supporting beam activity from top to bottom, is provided with a plurality of supporting bridges on last supporting beam, and the supporting bridge is the arch, and the supporting bridge spanes ground with both ends fixed connection on last supporting beam, just the supporting bridge is arranged along the equidistant range of length direction of last supporting beam, and two support frame tip are relative, connect through flexible drive between two adjacent tip of support frame.
Description
Technical Field
The invention relates to an underground supporting device for coal mine production, in particular to an underground temporary supporting device.
Background
The national coal mine is mainly underground mining, a large number of roadways need to be excavated underground, the roadway is kept smooth by adopting roadway support and the surrounding rock is stable, the method has important significance for coal mine construction and production, the basic purpose of supporting the roadway is to ease and reduce the movement of surrounding rocks, so that the section of the roadway is not excessively reduced, meanwhile, the scattered and damaged surrounding rocks are prevented from falling off, the roadway supporting effect is not only dependent on the supporting force of the support, but also influenced by a series of factors such as the nature of the surrounding rocks, the mechanical property of the support, the installation density of the support, the time of installing the support, the installation quality of the support and the contact mode with the surrounding rocks, in order to make the roadway support play an active role in the process of adjusting and controlling the deformation of the surrounding rocks, the support is installed before the surrounding rocks are loosened and damaged, so that the support and the surrounding rocks play a bearing role together under the condition that the surrounding rocks still keep self-bearing force.
This scheme provides a temporary support device in pit, and the practicality is strong, and factor of safety is high when just strutting, can be used to colliery tunnelling operation face support device, makes it have the purpose of practicality more.
Disclosure of Invention
The invention aims to: the utility model provides a this scheme provides a temporary support device in pit, and the practicality is strong, and factor of safety is high when just strutting, can be used to colliery tunnelling operation face support device, makes it have the purpose of practicality more.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an interim strutting arrangement in pit, includes two support frames, and the support frame includes two lower supporting beam that are parallel to each other, and is as an organic whole through linking bridge fixed connection between two lower supporting beam, be provided with on every lower supporting beam with one earlier on to last supporting beam, be provided with strutting arrangement between lower supporting beam and last supporting beam, strutting arrangement can drive the upper supporting beam activity from top to bottom, is provided with a plurality of supporting bridges on last supporting beam, the supporting bridge is the arch, and the supporting bridge spanes ground with both ends fixed connection on last supporting beam, just the equidistant range of length direction of supporting beam is followed to the supporting bridge and is set up, and two support frame tip are relative, connect through flexible drive between two adjacent tip of support frame.
On the basis of the above scheme and as a preferable scheme of the scheme: the supporting device comprises a first hydraulic cylinder, the cylinder body end of the first hydraulic cylinder is fixedly connected to the lower supporting beam, the direction end of the hydraulic rod is fixedly connected to the upper supporting beam, a first guide rod parallel to the downward extension of the hydraulic rod is fixedly arranged on the upper supporting beam, a first sliding guide sleeve is fixedly arranged on the cylinder body of the first hydraulic cylinder, the first guide rod penetrates through the first sliding guide sleeve and is in sliding fit with the first sliding guide sleeve, the first hydraulic cylinder is multiple, and the first hydraulic cylinder is arranged on each lower supporting beam along the length direction of the lower supporting beam.
On the basis of the above scheme and as a preferable scheme of the scheme: two ends of the lower supporting beam are provided with an upward guide slope.
On the basis of the above scheme and as a preferable scheme of the scheme: the telescopic drive is a second hydraulic cylinder.
On the basis of the above scheme and as a preferable scheme of the scheme: the second hydraulic cylinder sets up two at least, just the both ends of second hydraulic cylinder articulate respectively on the tip of lower supporting beam.
On the basis of the above scheme and as a preferable scheme of the scheme: and the two sides of the cylinder body of the second hydraulic cylinder are symmetrically and fixedly provided with second sliding guide sleeves, the outer end of a hydraulic rod of the second hydraulic cylinder is fixedly provided with a connecting seat, a second guide rod parallel to the hydraulic rod is fixedly arranged on the connecting seat, and the second guide rod penetrates through the second sliding guide sleeves and is in sliding fit with the second sliding guide sleeves.
The invention has the beneficial effects that:
the underground temporary supporting device can be used for supporting a coal mine excavation face, particularly, the top of a roadway can be supported by the upper supporting beam matched with the supporting bridge, and the device can automatically advance along with the advance of coal mine excavation through control.
Drawings
Fig. 1 is a schematic structural view of a downhole temporary support device of the invention.
In the figure: the device comprises a support frame-1, a lower support beam-2, a connecting support-3, an upper support beam-4, a support bridge-5, a first hydraulic cylinder-6, a first guide rod-7, a first sliding guide sleeve-8, a guide slope-9, a second hydraulic cylinder-10, a second sliding guide sleeve-11 and a second guide rod-12.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a temporary support device in pit, including two support frames 1, support frame 1 includes two lower supporting beam 2 that are parallel to each other, and it is as an organic whole through connecting support 3 fixed connection between two lower supporting beam 2, be provided with on every lower supporting beam 2 with one earlier on to last supporting beam 4, be provided with strutting arrangement between lower supporting beam 2 and last supporting beam 4, strutting arrangement can drive upper supporting beam 4 and move about from top to bottom, is provided with a plurality of supporting bridges 5 on last supporting beam 4, supporting bridge 5 is the arch, and supporting bridge 5 spanes ground with both ends fixed connection on last supporting beam 4, just supporting bridge 5 arranges the setting along the length direction of last supporting beam 4 equidistant, and two support frame 1 tip are relative, connect through flexible drive between two adjacent tip of support frame 1.
The underground temporary supporting device can be used for supporting a coal mine excavation face, particularly, the top of a roadway can be supported by the upper supporting beam matched with the supporting bridge, and the device can automatically advance along with the advance of coal mine excavation through control. The upper supporting beam 4 part of the invention can move up and down under the control of the supporting device, and the upper supporting beam part is pushed to rise under the action of the supporting device so as to be supported at the top of the roadway. The device of the invention has two support units comprising a lower support beam, an upper support beam, a support device and a support bridge. The concrete operation of forward propulsion is that along with the forward movement of the coal mine excavation working face, the supporting device on the lower supporting beam close to the excavation face is controlled to move downwards, then the supporting unit in front is pushed to move forwards by telescopic driving, the supporting device is lifted after the forward movement to support the roadway, then the supporting device on the lower supporting beam at the rear side is controlled to move downwards, and at the moment, the telescopic driving can pull the lower supporting beam at the rear side and other related devices to propel forwards.
Further, the supporting device comprises a first hydraulic cylinder 6, the cylinder body end of the first hydraulic cylinder 6 is fixedly connected to the lower supporting beam 2, the direction end of the hydraulic rod is fixedly connected to the upper supporting beam 4, a first guide rod 7 which is parallel to the downward extension of the hydraulic rod is fixedly arranged on the upper supporting beam 4, a first sliding guide sleeve 8 is fixedly arranged on the cylinder body of the first hydraulic cylinder 6, the first guide rod 7 penetrates through the first sliding guide sleeve 8 and is in sliding fit with the first sliding guide sleeve 8, the first hydraulic cylinder 6 is provided with a plurality of guide rods, and the guide rods are arranged on each lower supporting beam 2 along the length direction of the lower supporting beam 2.
Further, both ends of the lower support beam 2 have a raised guide slope 9.
Further, the telescopic drive is a second hydraulic cylinder 10.
Further, at least two second hydraulic cylinders 10 are provided, and two ends of the second hydraulic cylinders 10 are respectively hinged to the ends of the lower support beam 2.
Furthermore, the two sides of the cylinder body of the second hydraulic cylinder 10 are symmetrically and fixedly provided with second sliding guide sleeves 11, the outer end of the hydraulic rod of the second hydraulic cylinder 10 is fixedly provided with a connecting seat, a second guide rod 12 parallel to the hydraulic rod is fixedly arranged on the connecting seat, and the second guide rod 12 penetrates through the second sliding guide sleeves 11 and is in sliding fit with the second sliding guide sleeves 11.
The supporting device, the telescopic driving device and the like have stable arrangement structures, and meanwhile, the arrangement of the guide slope is very beneficial to the forward propelling operation of the device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a temporary support device in pit, includes two support frames (1), its characterized in that: support frame (1) includes two lower supporting beam (2) that are parallel to each other, and is as an organic whole through linking bridge (3) fixed connection between two lower supporting beam (2), be provided with on every lower supporting beam (2) with one to right last supporting beam (4), be provided with strutting arrangement between lower supporting beam (2) and last supporting beam (4), strutting arrangement can drive and go up supporting beam (4) and move about from top to bottom, is provided with a plurality of supporting bridges (5) on last supporting beam (4), supporting bridge (5) are the arch, and supporting bridge (5) span ground with both ends fixed connection on last supporting beam (4), just supporting bridge (5) are along the equidistant range setting of the length direction of last supporting beam (4), and two support frame (1) tip are relative, connect through flexible drive between two adjacent tip of support frame (1).
2. A downhole temporary support device according to claim 1, wherein: the supporting device comprises a first hydraulic cylinder (6), the cylinder body end of the first hydraulic cylinder (6) is fixedly connected to the lower supporting beam (2), the hydraulic rod direction end is fixedly connected to the upper supporting beam (4), a first guide rod (7) which is parallel to the hydraulic rod and extends downwards is fixedly arranged on the upper supporting beam (4), a first sliding guide sleeve (8) is fixedly arranged on the cylinder body of the first hydraulic cylinder (6), the first guide rod (7) penetrates through the first sliding guide sleeve (8) and is in sliding fit with the first sliding guide sleeve (8), the first hydraulic cylinder (6) is provided with a plurality of guide rods, and the guide rods are arranged on each lower supporting beam (2) along the length direction of the lower supporting beam (2).
3. A downhole temporary support device according to claim 1, wherein: two ends of the lower supporting beam (2) are provided with a raised guide slope (9).
4. A downhole temporary support device according to claim 1, wherein: the telescopic drive is a second hydraulic cylinder (10).
5. A downhole temporary support according to claim 4, wherein: the number of the second hydraulic cylinders (10) is at least two, and two ends of the second hydraulic cylinders (10) are respectively hinged to the end parts of the lower supporting beams (2).
6. A downhole temporary support according to claim 4 or 5, wherein: the two sides of the cylinder body of the second hydraulic cylinder (10) are symmetrically and fixedly provided with second sliding guide sleeves (11), the outer end of a hydraulic rod of the second hydraulic cylinder (10) is fixedly provided with a connecting seat, a second guide rod (12) parallel to the hydraulic rod is fixedly arranged on the connecting seat, and the second guide rod (12) penetrates through the second sliding guide sleeves (11) and is in sliding fit with the second sliding guide sleeves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110222150.7A CN113047882A (en) | 2021-02-28 | 2021-02-28 | Underground temporary supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110222150.7A CN113047882A (en) | 2021-02-28 | 2021-02-28 | Underground temporary supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113047882A true CN113047882A (en) | 2021-06-29 |
Family
ID=76509553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110222150.7A Pending CN113047882A (en) | 2021-02-28 | 2021-02-28 | Underground temporary supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113047882A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1443048A (en) * | 1964-08-20 | 1966-06-17 | Hoesch Bergbautechnik Gmbh | Mine support trestle |
| DE3923376C1 (en) * | 1989-07-14 | 1990-07-05 | Paurat Gmbh, 4223 Voerde, De | Self propelling machine for mining coal - comprises platform supported by vertical hydraulic jacks and raking jacks |
| RU2021526C1 (en) * | 1992-10-29 | 1994-10-15 | Иванов Владимир Григорьевич | Powered unyielding support in sets |
| CN102022122A (en) * | 2010-11-03 | 2011-04-20 | 吕国定 | Support-type comprehensive tunneler |
| CN202991092U (en) * | 2012-12-28 | 2013-06-12 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Hydraulic support running device |
| US20150086272A1 (en) * | 2012-04-26 | 2015-03-26 | Xinbin Li | Self-moving tunnel support canopy |
| CN204371394U (en) * | 2014-12-20 | 2015-06-03 | 曲天智 | Temporary support for drivage face hydraulic support |
| CN105569701A (en) * | 2016-03-03 | 2016-05-11 | 辽宁工程技术大学 | Stepping-type tunneling and timbering device suitable for hard rock roadway tunneling |
| CN207454002U (en) * | 2017-08-23 | 2018-06-05 | 河南大有能源股份有限公司新安煤矿 | Suspension device is tunneled in a kind of colliery |
| US20180195390A1 (en) * | 2017-01-09 | 2018-07-12 | Seneca Industries Inc. | Mining underground formations |
| CN109763853A (en) * | 2019-03-05 | 2019-05-17 | 廊坊景隆重工机械有限公司 | A kind of door frame Anchor Care machine |
| CN110388224A (en) * | 2019-08-22 | 2019-10-29 | 国家能源集团宁夏煤业有限责任公司梅花井煤矿 | A kind of step type support system for arched tunnel driving |
| CN210440067U (en) * | 2019-07-16 | 2020-05-01 | 南京银茂铅锌矿业有限公司 | Movable anchor protection piece can keep somewhere tunnel support rack |
| CN111779480A (en) * | 2020-07-31 | 2020-10-16 | 辽宁工程技术大学 | Short-body tunneling robot and using method thereof |
| CN212225290U (en) * | 2020-05-11 | 2020-12-25 | 欧阳志龙 | Coal mine tunneling and supporting device |
-
2021
- 2021-02-28 CN CN202110222150.7A patent/CN113047882A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1443048A (en) * | 1964-08-20 | 1966-06-17 | Hoesch Bergbautechnik Gmbh | Mine support trestle |
| DE3923376C1 (en) * | 1989-07-14 | 1990-07-05 | Paurat Gmbh, 4223 Voerde, De | Self propelling machine for mining coal - comprises platform supported by vertical hydraulic jacks and raking jacks |
| RU2021526C1 (en) * | 1992-10-29 | 1994-10-15 | Иванов Владимир Григорьевич | Powered unyielding support in sets |
| CN102022122A (en) * | 2010-11-03 | 2011-04-20 | 吕国定 | Support-type comprehensive tunneler |
| US20150086272A1 (en) * | 2012-04-26 | 2015-03-26 | Xinbin Li | Self-moving tunnel support canopy |
| CN202991092U (en) * | 2012-12-28 | 2013-06-12 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Hydraulic support running device |
| CN204371394U (en) * | 2014-12-20 | 2015-06-03 | 曲天智 | Temporary support for drivage face hydraulic support |
| CN105569701A (en) * | 2016-03-03 | 2016-05-11 | 辽宁工程技术大学 | Stepping-type tunneling and timbering device suitable for hard rock roadway tunneling |
| US20180195390A1 (en) * | 2017-01-09 | 2018-07-12 | Seneca Industries Inc. | Mining underground formations |
| CN207454002U (en) * | 2017-08-23 | 2018-06-05 | 河南大有能源股份有限公司新安煤矿 | Suspension device is tunneled in a kind of colliery |
| CN109763853A (en) * | 2019-03-05 | 2019-05-17 | 廊坊景隆重工机械有限公司 | A kind of door frame Anchor Care machine |
| CN210440067U (en) * | 2019-07-16 | 2020-05-01 | 南京银茂铅锌矿业有限公司 | Movable anchor protection piece can keep somewhere tunnel support rack |
| CN110388224A (en) * | 2019-08-22 | 2019-10-29 | 国家能源集团宁夏煤业有限责任公司梅花井煤矿 | A kind of step type support system for arched tunnel driving |
| CN212225290U (en) * | 2020-05-11 | 2020-12-25 | 欧阳志龙 | Coal mine tunneling and supporting device |
| CN111779480A (en) * | 2020-07-31 | 2020-10-16 | 辽宁工程技术大学 | Short-body tunneling robot and using method thereof |
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