CN210396786U - End support adapting to change of roadway roof - Google Patents
End support adapting to change of roadway roof Download PDFInfo
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- CN210396786U CN210396786U CN201921092002.2U CN201921092002U CN210396786U CN 210396786 U CN210396786 U CN 210396786U CN 201921092002 U CN201921092002 U CN 201921092002U CN 210396786 U CN210396786 U CN 210396786U
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- connecting rod
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- top beam
- supporting beam
- steel plate
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- 230000008093 supporting effect Effects 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 15
- 238000005065 mining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
An end support adapting to the change of a roadway roof comprises a top beam, a base, a shield beam, an upright post, a front connecting rod and a rear connecting rod, wherein the top beam and the base are horizontally arranged in a roadway along the front-rear direction, the upper end of the shield beam is hinged at the front end of the top beam, the lower end of the shield beam is hinged with the upper end of the front connecting rod, the middle lower part of the shield beam is hinged with the upper end of the rear connecting rod, the lower ends of the front connecting rod and the rear connecting rod are hinged on the base, the upper end and the lower end of the upright post are respectively hinged on the top beam and the base, the middle part of the upper surface of the top beam is hinged with a rotating support beam, the widths of the rotating support beam and the top beam are the same, when the rotating support beam is parallel to the top beam, the central line of the rotating support beam along the front-rear direction and the central line of the, the upper surface of the rotating support beam is parallel to and in abutting contact with the surface of the roadway roof. The utility model has the advantages of scientific design, convenient operation and wide applicable coal bed dip angle range.
Description
Technical Field
The utility model relates to a colliery tunnel struts equipment field, specific theory relates to an end support that adapts to tunnel roof change.
Background
At present, most of domestic high-yield and high-efficiency coal mine fully mechanized coal mining face roadways are rectangular working faces. But for the inclined coal seam working face under the condition of medium stable or hard top plate, in order to ensure the integrity of the gate way top plate, the tunnel is dug into a trapezoidal tunnel. For a rectangular roadway, when the end bracket is used for supporting, the labor intensity can be effectively reduced, and the supporting efficiency is improved. However, when the roadway is in a trapezoidal section and is supported by a common end bracket, the top beam of the end bracket cannot be well adapted to the change of the top plate, and the supporting effect cannot be achieved.
Chinese utility model patent CN202228099U discloses an end hydraulic support with a top beam capable of laterally rotating and inclining, which enables the top beam of the end hydraulic support to realize vertical rotation and inclination adjustment as well as lateral rotation and inclination adjustment, so that the top beam of the end hydraulic support can adapt to the fluctuation change of a roadway roof along the trend direction and can realize plane contact with the roof when the roadway roof laterally changes along the coal bed inclination direction, thereby achieving the purpose of effectively supporting the roof and preventing roof collapse accidents; the rotatory accent of back timber side direction is inclined needs to be through the stand height of artificial continuous regulation both sides in the above-mentioned patent to realize back timber and different inclination's roof plane contact, the operation is inconvenient, and this patent is applicable to the coal seam inclination and is less than 25 combine and adopt the working face, because the connection of stand and back timber is concretion or articulated, combine to adopt the working face to the coal seam that the inclination is greater than 25 even bigger inclination, the back timber slope, the stand of both sides also can incline, so, above-mentioned patent just can't provide effective support.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an end support that adaptation tunnel roof changes, its design science, convenient operation, suitable coal seam inclination scope are big.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an end support that adaptation tunnel roof changes, including the back timber, a pedestal, shield the roof beam, the stand, preceding connecting rod and back connecting rod, back timber and base all set up in the tunnel along the fore-and-aft direction level, the upper end that shields the roof beam articulates the front end at the back timber, the lower extreme that shields the roof beam is articulated with the upper end of preceding connecting rod, the well lower part that shields the roof beam is articulated with the upper end of back connecting rod, the lower extreme of preceding connecting rod and back connecting rod all articulates on the base, the upper end and the lower extreme of stand articulate respectively on back timber and base, the upper surface middle part of back timber articulates there is the rotatory supporting beam of rotation about the right-and-left, the width of rotatory supporting beam is the same with the back timber, rotatory supporting beam is located same vertical plane along the central line of fore-and-aft direction and back timber along the central line of fore-and-aft direction when rotatory supporting beam is parallel with the back timber, the upper surface of rotatory supporting beam is 4-1/3.
The upper surface middle part of back timber is provided with a plurality of ear seat along the equidistance is fixed of fore-and-aft direction, the lower surface middle part of rotatory supporting beam is provided with a plurality of hinge ear along the equidistance is fixed of fore-and-aft direction, the front side or the rear side shape of ear seat and hinge ear are obtuse isosceles triangle, the upside of every ear seat, left side and right side are all uncovered, every hinge ear corresponds respectively and establishes in the middle of the preceding curb plate and the posterior lateral plate of every ear seat, penetrating pinhole around all having seted up on the preceding curb plate of every ear seat and the posterior lateral plate, peg graft in two pinholes and have a connecting pin that passes corresponding hinge ear.
The rotating support beam comprises an upper steel plate and a lower steel plate which are arranged in parallel, the lower surface of the upper steel plate and the upper surface of the lower steel plate are connected into a whole through a plurality of connecting rib plates, and the lower surface of the lower steel plate is fixedly connected with the hinge lug.
Compared with the prior art, the utility model has substantive characteristics and progress, specifically speaking, the utility model discloses an upper surface hinge joint rotation supporting beam of back timber, when the tunnel roof along the slope coal seam working face side to the slope change, only need to adjust the height of stand and make the back timber wholly roof pressure upwards, after the upper surface of rotation supporting beam contacted with the tunnel roof, rotation supporting beam rotated around each connecting pin to make the upper surface of rotation supporting beam parallel and roof pressure contact with the tunnel roof, realize full area and contact with the top support, automatic rotation regulation under the effect of tunnel roof pressure, convenient operation, support intensity is high; the minimum vertical distance between the central line of the rotary supporting beam in the front-back direction and the upper surface of the top beam is 1/4-1/3 of the width of the top beam, so that the maximum inclination angle of the rotary supporting beam is more than 30 degrees, and the utility model is suitable for a fully mechanized mining face with a larger coal seam inclination angle range; the utility model has the advantages of scientific design, convenient operation and wide applicable coal bed dip angle range.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
With the direction to the right in fig. 1 being the forward direction.
As shown in fig. 1 and 2, an end support adapted to the change of a roadway roof comprises a top beam 1, a base 2, a shield beam 3, an upright post 4, a front connecting rod 5 and a rear connecting rod 6, wherein the top beam 1 and the base 2 are both horizontally arranged in a roadway 7 along the front-rear direction, the upper end of the shield beam 3 is hinged at the front end of the top beam 1, the lower end of the shield beam 3 is hinged with the upper end of the front connecting rod 5, the middle lower part of the shield beam 3 is hinged with the upper end of the rear connecting rod 6, the lower ends of the front connecting rod 5 and the rear connecting rod 6 are both hinged on the base 2, the upper end and the lower end of the upright post 4 are respectively hinged on the top beam 1 and the base 2, the middle part of the upper surface of the top beam 1 is hinged with a left-right rotating support beam 8, the width of the rotating support beam 8 is the same as that of the top beam 1, when the rotating support, the minimum vertical distance between the central line of the rotating support beam 8 along the front-back direction and the upper surface of the top beam 1 is 1/4-1/3 of the width of the top beam 1, and the upper surface of the rotating support beam 8 is parallel to and in pressing contact with the surface of the roadway roof 9.
The upper surface middle part of back timber 1 is provided with a plurality of ear seat 10 along the equidistance is fixed of fore-and-aft direction, the lower surface middle part of a rotatory supporting beam 8 is provided with a plurality of hinge ear 11 along the equidistance is fixed of fore-and-aft direction, the front side or the rear side shape of ear seat 10 and hinge ear 11 are obtuse isosceles triangle, the upside of every ear seat 10, left side and right side are all uncovered, every hinge ear 11 corresponds respectively and establishes in the middle of the preceding curb plate and the posterior lateral plate of every ear seat 10, all set up penetrating pinhole around one on the preceding curb plate of every ear seat 10 and the posterior lateral plate, peg graft in two pinholes and have a connecting pin 12 that passes corresponding hinge ear 11.
The rotating support beam 8 comprises an upper steel plate and a lower steel plate which are arranged in parallel, the lower surface of the upper steel plate and the upper surface of the lower steel plate are connected into a whole through a plurality of connecting rib plates, and the lower surface of the lower steel plate is fixedly connected with the hinge lug 11.
The utility model discloses an upper surface of back timber 1 articulates rotatory supporting beam 8, when the slope coal seam working face side direction slope of tunnel roof 9 edge changes, only need to adjust the height of stand 4 to make back timber 1 whole roof pressure upwards, after the upper surface of rotatory supporting beam 8 contacted with tunnel roof 9, rotatory supporting beam 8 rotated around each connecting pin 12 to make the upper surface of rotatory supporting beam 8 parallel with tunnel roof 9 and roof pressure contact, realize full area and contact with the roof support, automatic rotation regulation under the roof pressure effect of tunnel roof 9, convenient operation, support intensity is high; the minimum vertical distance between the central line of the rotary supporting beam 8 in the front-back direction and the upper surface of the top beam 1 is 1/4-1/3 of the width of the top beam 1, so that the maximum inclination angle of the rotary supporting beam is more than 30 degrees, and the utility model is suitable for a fully mechanized coal mining face with a larger coal seam inclination angle range; the utility model has the advantages of scientific design, convenient operation and wide applicable coal bed dip angle range.
The above embodiments are only used for illustrating but not limiting the technical solution of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (3)
1. The utility model provides an end support that adaptation tunnel roof changes, including the back timber, a pedestal, cover the roof beam, the stand, preceding connecting rod and back connecting rod, back timber and base all set up in the tunnel along the fore-and-aft direction level, the upper end that covers the roof beam articulates the front end at the back timber, the lower extreme that covers the roof beam is articulated with the upper end of preceding connecting rod, the well lower part that covers the roof beam is articulated with the upper end of back connecting rod, the lower extreme of preceding connecting rod and back connecting rod all articulates on the base, the upper end and the lower extreme of stand articulate respectively on back timber and base, its characterized in that: the middle part of the upper surface of the top beam is hinged with a rotary supporting beam which rotates left and right, the width of the rotary supporting beam is the same as that of the top beam, when the rotary supporting beam is parallel to the top beam, the central line of the rotary supporting beam in the front-back direction and the central line of the top beam in the front-back direction are positioned on the same vertical plane, the minimum vertical distance between the central line of the rotary supporting beam in the front-back direction and the upper surface of the top beam is 1/4-1/3 of the width of the top beam, and the upper surface of the rotary supporting beam.
2. The end bracket of claim 1 adapted for changes in roof panels, further comprising: the upper surface middle part of back timber is provided with a plurality of ear seat along the equidistance is fixed of fore-and-aft direction, the lower surface middle part of rotatory supporting beam is provided with a plurality of hinge ear along the equidistance is fixed of fore-and-aft direction, the front side or the rear side shape of ear seat and hinge ear are obtuse isosceles triangle, the upside of every ear seat, left side and right side are all uncovered, every hinge ear corresponds respectively and establishes in the middle of the preceding curb plate and the posterior lateral plate of every ear seat, penetrating pinhole around all having seted up on the preceding curb plate of every ear seat and the posterior lateral plate, peg graft in two pinholes and have a connecting pin that passes corresponding hinge ear.
3. The head bracket adapted to the variation of the roof of the roadway of claim 2, wherein: the rotating support beam comprises an upper steel plate and a lower steel plate which are arranged in parallel, the lower surface of the upper steel plate and the upper surface of the lower steel plate are connected into a whole through a plurality of connecting rib plates, and the lower surface of the lower steel plate is fixedly connected with the hinge lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921092002.2U CN210396786U (en) | 2019-07-12 | 2019-07-12 | End support adapting to change of roadway roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921092002.2U CN210396786U (en) | 2019-07-12 | 2019-07-12 | End support adapting to change of roadway roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396786U true CN210396786U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921092002.2U Active CN210396786U (en) | 2019-07-12 | 2019-07-12 | End support adapting to change of roadway roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210396786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482707A (en) * | 2021-07-19 | 2021-10-08 | 乔轻炳 | Impact-resistant supporting coal conveyor for fully mechanized mining face |
-
2019
- 2019-07-12 CN CN201921092002.2U patent/CN210396786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482707A (en) * | 2021-07-19 | 2021-10-08 | 乔轻炳 | Impact-resistant supporting coal conveyor for fully mechanized mining face |
| CN113482707B (en) * | 2021-07-19 | 2024-04-26 | 乔轻炳 | Impact-resistant supporting coal conveyor for fully mechanized mining face |
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Address after: 475000 middle section of Weidu Road, Kaifeng City, Henan Province Patentee after: Henan Energy Group Heavy Equipment Co.,Ltd. Country or region after: China Address before: 475000 middle section of Weidu Road, Kaifeng City, Henan Province Patentee before: HENAN ENERGY CHEMICAL GROUP HEAVY EQUIPMENT Co.,Ltd. Country or region before: China |