CN210127864U - Anti-impact roadway support capable of realizing large-circulation self-moving - Google Patents
Anti-impact roadway support capable of realizing large-circulation self-moving Download PDFInfo
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- CN210127864U CN210127864U CN201920938667.4U CN201920938667U CN210127864U CN 210127864 U CN210127864 U CN 210127864U CN 201920938667 U CN201920938667 U CN 201920938667U CN 210127864 U CN210127864 U CN 210127864U
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Abstract
The utility model relates to a but scour protection tunnel support that macrocycle self-propelled belongs to roadway support equipment technical field. The roadway support comprises a base, a hydraulic upright, a connecting rod mechanism and a top beam, wherein the top of the hydraulic upright is hinged to the bottom of the top beam, the bottom of the hydraulic upright is hinged to the top of the base, the upper portion of the connecting rod mechanism is hinged to the bottom of the top beam, the lower portion of the connecting rod mechanism is hinged to the upper portion of the base, interfaces for connecting and pushing hydraulic cylinders are arranged on the front side and the rear side of the top beam and the base, and a telescopic walking device is arranged inside the. The roadway support can realize large-circulation self-moving, avoids repeated support of the top plate in the support moving process, and effectively protects the top plate and the bottom plate to be intact; the design of the turning angle of the top side guard plate effectively enhances the applicability of the support to roadway roofs of different shapes. The method has important practical significance and social benefit in the aspects of ensuring safe and efficient mining of coal mines, saving production cost, improving economic benefit, maintaining social stability and the like, and has wide application prospect.
Description
Technical Field
The utility model belongs to the technical field of the equipment is strutted in the tunnel, especially rock burst tunnel support equipment technical field, concretely relates to but the scour protection tunnel support that the macrocycle moved certainly.
Background
With the gradual depletion of shallow coal resources, the development of coal resources is continuously developed to the deep part of the earth, and the exploitation of deep coal resources of kilometer deep wells gradually becomes a new normal state of coal resource development. However, in deep mining of 1000-2000 meters, a series of problems are caused by factors such as complex geological conditions, increased ground stress, and increased fracture degree of coal rock mass of coal resources, dynamic disasters such as coal mine rock burst are more serious, and a serious challenge is provided for deep coal resource mining.
The deep roadway surrounding rock control is one of theoretical bottlenecks and key problems of deep mining, and particularly relates to the surrounding rock control of rock burst roadways. Rock burst is one of major disasters encountered in coal mining, the number of rock burst mines increases along with the increase of mining depth, and the roadway rock burst is more prominent in a period of time in the future.
The practice in recent years proves that the deformation of surrounding rocks of the roadway can be effectively controlled by adopting the energy-absorbing impact-proof support, and the rock burst of the roadway can be effectively prevented. However, the existing roadway anti-impact support which cannot move automatically has the problems of time consumption, labor consumption and the like in the process of moving the support, and the production efficiency of a coal mine is seriously influenced. The tunnel scour protection support that current ability was moved certainly has serious defect, can cause the roof to support repeatedly moving the frame in-process, causes the roof to destroy, influences tunnel safety. The existing roadway anti-impact support capable of moving automatically also has the problems of low applicability to the shape of the section of a roadway and the like (generally, the support can only be used for supporting the section of a rectangular roadway or enabling a top plate and a bottom plate to be horizontal).
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a scour protection roadway support capable of realizing large-cycle self-moving, which can realize large-cycle self-moving, effectively avoid repeatedly supporting a top plate in the moving process and protect the integrity of a top plate and a bottom plate; and can be suitable for roadway supports of different shapes.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. The foundation the utility model provides a but scour protection tunnel support that macrocycle moved certainly, including base, hydraulic column, link mechanism, back timber, hydraulic column's top is articulated bottom the back timber, and hydraulic column's bottom is articulated with the base top, and link mechanism's upper portion is articulated bottom the back timber, and link mechanism's lower part is articulated with base upper portion, and both sides all are equipped with the interface of connecting the lapse pneumatic cylinder around back timber and the base, the inside telescopic running gear that is equipped with of base.
The base is provided with a plurality of groups of base supporting devices, each group of base supporting devices comprises two bottom side protection plates which are respectively hinged to the front side and the rear side of the base, each bottom side protection plate is respectively hinged to a bottom side protection plate hydraulic cylinder, the bottom side pushing hydraulic cylinders are respectively hinged to the left side and the right side of the base, the bottom side protection plates are unfolded and folded through the stretching of the bottom side protection plate hydraulic cylinders, and the turning angle of the bottom side protection plates is 0-100 degrees.
The top beam is provided with a plurality of groups of top beam supporting devices, each group of top beam supporting devices comprises two top side protection plates hinged to the front side and the rear side of the top beam respectively, each top side protection plate is hinged to a top side protection plate hydraulic cylinder respectively, the top side pushing hydraulic cylinders are hinged to the left side and the right side of the top beam respectively, the top side protection plates are unfolded and folded through the stretching of the top side protection plate hydraulic cylinders, and the turning angle of the top side protection plates is 0-120 degrees.
And the front side and the rear side of the top beam and the base are respectively provided with a cross beam connector.
The walking device comprises a wheel upright and a wheel, wherein the wheel upright is fixed on the base and controls whether the wheel walks on the ground or not.
And an energy absorption device 1 is arranged on the side-push hydraulic cylinder at the bottom.
And the energy absorption device 2 is arranged on the top side-push hydraulic cylinder.
The use method of the anti-impact roadway support capable of realizing large-cycle self-moving comprises the following steps:
as shown in fig. 7, the anti-scour roadway support capable of realizing large-cycle self-moving is adopted, the two supports form a group, the top rear pushing hydraulic cylinder of the front support is connected with the top front pushing hydraulic cylinder interface of the rear support, and the base rear pushing hydraulic cylinder of the front support is connected with the bottom front pushing hydraulic cylinder interface of the rear support. The roadway can be supported by a plurality of groups for single row, the 1 st group can be directly and automatically moved to the back of the nth group to be supported along with the mining of the working face, and the repeated support of the top plate of the roadway by the support is avoided, so that the top plate is prevented from being damaged.
The following method for the group 1 (the top and bottom side guard plates are all opened) to move to the nth group by self circulation is as follows:
the first step is as follows: and (4) folding the front support top side guard plate and then folding the rear support top side guard plate.
The second step is that: and simultaneously, the front and rear support hydraulic upright columns are contracted to the lowest state (the top beam of the support is not contacted with the top plate).
The third step: wheels extending out of the two ends of the base of the rear support.
The fourth step: the top of the front support extends out and then pushes the hydraulic cylinder and the base and then pushes the hydraulic cylinder, and the rear support moves backwards.
The fifth step: retracting wheels at two ends of the rear support base; wheels extending out of two ends of the front bracket base.
And a sixth step: the top rear pushing hydraulic cylinder and the base rear pushing hydraulic cylinder of the front support are retracted, and the front support moves backwards.
The seventh step: the wheels at both ends of the front support base are retracted. Completing one self-movement.
The third-seventh steps are cycled until the nth group is moved.
Eighth step: and simultaneously extending the hydraulic upright columns of the front support and the rear support until the top beam of the support is contacted with the top plate, and then opening the side protection plates at the top of the front support and the rear support.
Two groups of double rows (4 frames) can be integrated to support the roadway, and the two rows of top beams are connected with the base through the cross beams, so that the stability is enhanced. When the frame is moved, the frame is separated, and the large-circulation self-moving is realized by taking the group as a unit.
The turning angle of the top side guard plate is 0-120 degrees. When the section of the roadway is rectangular, the top side guard plate is turned for 90 degrees, so that the top side guard plate and the upper surface of the top beam are horizontal, and the supporting area of the roadway can be increased. When the tunnel section was other circumstances, the rotation angle of adjustable top both sides side guard plate was strutted the tunnel (for example the tunnel section is circular tunnel).
To prior art, the utility model discloses the beneficial effect who obtains: the utility model discloses stand and side guard plate pneumatic cylinder are all installed the energy-absorbing device, have stronger shock resistance mechanical properties, are applicable to rock burst tunnel support; the support can realize large-cycle self-moving, avoids repeated support of the top plate in the support moving process, and effectively protects the top plate and the bottom plate to be intact; the design of the turning angle of the top side guard plate effectively enhances the applicability of the support to roadway roofs of different shapes. The method has important practical significance and social benefit in the aspects of ensuring safe and efficient mining of coal mines, saving production cost, improving economic benefit, maintaining social stability and the like, and has wide application prospect.
Drawings
FIG. 1 is a front view of the bracket of the present invention;
FIG. 2 is a schematic side view of the bracket of the present invention;
fig. 3 is a schematic top view of the bracket of the present invention;
fig. 4 is an enlarged schematic structural view of the bracket walking device of the present invention.
FIG. 5 is the front view of the single-row walking structure of the bracket of the present invention
Fig. 6 is a schematic top view of the double-row roadway support of the present invention (the top beam side guard plate is not opened);
fig. 7 is a schematic view of the usage of the present invention.
In the figure, 1-base, 2-bottom beam connector, 3-bottom left pushing jack, 4-bottom right pushing jack, 5-bottom side guard plate, 6-energy absorber 1, 7-bottom side guard plate hydraulic cylinder, 8-energy absorber, 9-hydraulic column, 10-four connecting rod, 11-top left pushing jack, 12-top right pushing jack, 13-top side guard plate, 14-top beam connector, 15-top beam, 16-energy absorber 2, 17-top side guard plate hydraulic cylinder, 18-cross beam, 19-traveling device opening, 19-1 wheel, 19-wheel column, 20-top beam pushing hydraulic cylinder connector, and 21-base pushing hydraulic cylinder connector.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited by the embodiments.
Example 1:
the anti-impact roadway support capable of realizing large-circulation self-moving as shown in figures 1-5 comprises a base (1), a top side guard plate (13), a bottom side guard plate (5), a hydraulic upright post (9), four connecting rods (10) and a top beam (15). The top and back timber (15) bottom of hydraulic column (9) are articulated, the bottom of hydraulic column (9) is equipped with energy-absorbing device (8), energy-absorbing device (8) are articulated with base (1), the base bilateral symmetry sets up two sets of base support devices, every base support device of group includes that two articulate bottom side guard plate (5) in base (1) front and back both sides respectively, upper portion articulates respectively in every bottom side guard plate (5) has bottom side guard plate pneumatic cylinder (7), bottom side push hydraulic cylinder (7) articulate with base (1) the left and right sides respectively, be equipped with energy-absorbing device 1(6) on bottom side push hydraulic cylinder (7). The bottom side guard plate realizes the expansion and retraction actions through the expansion and contraction of the bottom side guard plate hydraulic cylinder. The upper part of the four-connecting rod (10) is hinged with the bottom of the top beam, and the lower part of the four-connecting rod (10) is hinged with the upper part of the base. The left and right of the top beam (15) are symmetrically provided with two groups of top beam supporting devices, each group of top beam supporting devices comprises two top side protection plates (13) which are respectively hinged to the front side and the rear side of the top beam (15), the middle lower part of each top side protection plate (13) is respectively hinged to a top side protection plate hydraulic cylinder (17), the top side pushing hydraulic cylinders (17) are respectively hinged to the left side and the right side of the top beam (15), and the top side pushing hydraulic cylinders (17) are provided with energy absorbing devices 2 (16). The top side guard plate is unfolded and folded through a top side guard plate hydraulic cylinder.
The bottom of the left end and the bottom of the right end of the base (1) are provided with a bottom left pushing jack (3) and a bottom right pushing jack (4).
The top left pushing jack (11) and the top right pushing jack (12) are arranged at the bottoms of the left end and the right end of the top beam (15).
The energy absorption device (8) has the constant force deformation characteristic, and the crushing destructive force of the energy absorption device is 1.2-1.4 times of the working resistance of the hydraulic upright post.
The energy absorption devices 1 and 2 have constant force deformation characteristics, and the crushing breaking force of the energy absorption devices is 1.2-1.4 times of the working resistance of the hydraulic cylinders (7 and 17).
The front side and the rear side of the top beam (15) are respectively provided with 3 top cross beam connecting ports (14) used for connecting cross beams (18), and top beam pushing hydraulic cylinder connectors (20) are arranged below the left side and the right side.
The front side and the rear side of the base (1) are respectively provided with 3 bottom beam connectors (2) used for connecting beams (18), and base pushing hydraulic cylinder connectors (21) are arranged above the left side and the right side.
The base (1) is internally provided with a walking device, the bottom surface of the base (1) is provided with an opening (19) of the walking device, the walking device comprises a wheel upright post (19-2) and a wheel (19-1), the wheel upright post is fixed on the base, and whether the wheel walks on the ground or not is controlled by the wheel upright post.
The turning angle of the bottom side guard plate is 0-100 degrees, and the turning angle of the top side guard plate is 0-120 degrees.
Example 2:
as shown in fig. 6, the support group formed by the erosion-preventing roadway supports in application embodiment 1 supports the roadway as a whole by using two double rows (4 supports), each support group includes two roadway supports arranged in the front and back, and the bottom beam connector and the top beam connector at the rear end of the roadway support in the front row are respectively connected with the bottom beam connector and the top beam connector at the front end of the roadway support in the back row by using beams (18), so that the stability is enhanced. When the support is moved, the two support groups are separated, and the large-circulation self-moving is realized by taking the group as a unit.
Claims (7)
1. The utility model provides a but scour protection tunnel support that macrocycle self-moving, includes base, hydraulic column, link mechanism, back timber, the top and the back timber bottom of hydraulic column are articulated, and the bottom and the base top of hydraulic column are articulated, and link mechanism's upper portion is articulated bottom the back timber, and link mechanism's lower part is articulated its characterized in that with base upper portion: the front side and the rear side of the top beam and the base are both provided with interfaces for connecting the pushing hydraulic cylinder, and a telescopic walking device is arranged in the base.
2. The anti-impact roadway support capable of realizing large-cycle self-moving according to claim 1, is characterized in that: the base is provided with a plurality of groups of base supporting devices, each group of base supporting devices comprises two bottom side protection plates which are respectively hinged to the front side and the rear side of the base, each bottom side protection plate is respectively hinged to a bottom side protection plate hydraulic cylinder, the bottom side pushing hydraulic cylinders are respectively hinged to the left side and the right side of the base, the bottom side protection plates are unfolded and folded through the stretching of the bottom side protection plate hydraulic cylinders, and the turning angle of the bottom side protection plates is 0-100 degrees.
3. The anti-impact roadway support capable of realizing large-cycle self-moving according to claim 1, is characterized in that: the top beam is provided with a plurality of groups of top beam supporting devices, each group of top beam supporting devices comprises two top side protection plates hinged to the front side and the rear side of the top beam respectively, each top side protection plate is hinged to a top side protection plate hydraulic cylinder respectively, the top side pushing hydraulic cylinders are hinged to the left side and the right side of the top beam respectively, the top side protection plates are unfolded and folded through the stretching of the top side protection plate hydraulic cylinders, and the turning angle of the top side protection plates is 0-120 degrees.
4. The anti-impact roadway support capable of realizing large-cycle self-moving according to claim 1, is characterized in that: and the front side and the rear side of the top beam and the base are respectively provided with a cross beam connector.
5. The anti-impact roadway support capable of realizing large-cycle self-moving according to claim 1, is characterized in that: the walking device comprises a wheel upright and a wheel, wherein the wheel upright is fixed on the base and controls whether the wheel walks on the ground or not.
6. The anti-impact roadway support capable of realizing large-cycle self-moving according to claim 2, is characterized in that: the bottom side push hydraulic cylinder is provided with an energy absorption device 1.
7. The anti-impact roadway support capable of realizing large-cycle self-moving according to claim 3, is characterized in that: the top side pushing hydraulic cylinder is provided with an energy absorption device 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920938667.4U CN210127864U (en) | 2019-06-21 | 2019-06-21 | Anti-impact roadway support capable of realizing large-circulation self-moving |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920938667.4U CN210127864U (en) | 2019-06-21 | 2019-06-21 | Anti-impact roadway support capable of realizing large-circulation self-moving |
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| CN210127864U true CN210127864U (en) | 2020-03-06 |
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| CN201920938667.4U Active CN210127864U (en) | 2019-06-21 | 2019-06-21 | Anti-impact roadway support capable of realizing large-circulation self-moving |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130963A (en) * | 2019-06-21 | 2019-08-16 | 辽宁工程技术大学 | It is a kind of can systemic circulation from move erosion control excavation support |
| CN112943336A (en) * | 2021-04-20 | 2021-06-11 | 三一重型装备有限公司 | Supporting device |
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2019
- 2019-06-21 CN CN201920938667.4U patent/CN210127864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130963A (en) * | 2019-06-21 | 2019-08-16 | 辽宁工程技术大学 | It is a kind of can systemic circulation from move erosion control excavation support |
| CN112943336A (en) * | 2021-04-20 | 2021-06-11 | 三一重型装备有限公司 | Supporting device |
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