CN210105902U - Hydraulic support for ultrahigh roadway end of fully mechanized caving face - Google Patents
Hydraulic support for ultrahigh roadway end of fully mechanized caving face Download PDFInfo
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- CN210105902U CN210105902U CN201920860904.XU CN201920860904U CN210105902U CN 210105902 U CN210105902 U CN 210105902U CN 201920860904 U CN201920860904 U CN 201920860904U CN 210105902 U CN210105902 U CN 210105902U
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Abstract
A hydraulic support for an ultrahigh roadway end of a fully mechanized caving face solves the problems that in the prior art, the support is poor in stability, an end area is easy to slice, and roof accidents endangering personal safety often occur. Including controlling coal wall side support and the coal group side support of arranging side by side, its characterized in that: the coal wall side support and the coal wall side support are both formed by a split hinged base and a split hinged top beam, the rear end of the split hinged base is connected with the lower end of the shield beam through a front connecting rod and a rear connecting rod, and the upper end of the shield beam is hinged with the rear end of the split hinged top beam; the split hinged top beam is connected with the split hinged base through a hydraulic upright post, and a pushing seat is arranged in front of the split hinged base; the side baffle of the split hinged top beam of the coal wall side support is provided with a plurality of groups of side supporting mechanisms arranged towards one side of the coal wall side support. The supporting device is reasonable in design, compact in structure, adaptable to the fully mechanized caving face of the ultrahigh roadway, capable of preventing the deformation of the caving wall of the roadway, strong in supporting capacity, good in stability and high in coal mining operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of colliery underground support equipment, concretely relates to can adapt to combine of superelevation tunnel and put working face can prevent effectively that the tunnel rib from warping, and support ability is strong, and stability can be good, and the working face coal mining operation efficiency is high combines to put working face superelevation tunnel end hydraulic support.
Background
At present, the maintenance of a top plate of an end head area under the condition of an ultrahigh roadway of a fully mechanized caving face is still a bottleneck for restricting the safe and efficient production of the working face. The reason is that for the fully mechanized caving face of the ultrahigh roadway, the common roadway support can only simply strengthen the support of the roadway top plate and the roadway bottom plate, but when the height of the support reaches 5-6.2 meters, the stability of the support cannot be guaranteed. Moreover, the laneway of the working face is generally excavated before coal mining, the exposure time of the top plate of the laneway is long, and the laneway has high height, so that the phenomena of rib spalling and the like are easy to occur; meanwhile, the end area is the intersection of the working face and the roadway, the empty roof range is large, and in the working face extraction process, the end area and the roadway advance support section are influenced by mining and advance supporting pressure, so that the sinking amount of the top plate is large, the top plate is seriously crushed, and further the end area serving as an equipment maintenance and personnel passage main road is caused, and the top plate accident endangering the personal safety is frequently caused. Therefore, the supporting device in the end area of the ultrahigh roadway of the fully mechanized caving face in the prior art needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model is exactly to above-mentioned problem, a can adapt to the combined work face of putting in full-mechanized top of superelevation tunnel provides one kind, can prevent effectively that the tunnel rib from warping, and support ability is strong, and stability can be good, and the combined work face of putting in full-mechanized top of working face coal mining work efficiency is high puts working face superelevation tunnel end hydraulic support.
The utility model adopts the technical proposal that: this combine and put working face superelevation tunnel end hydraulic support includes coal wall collateral branch frame and coal group collateral branch frame that left and right side arranged side by side, its characterized in that: the coal wall side support and the coal side support are both formed by a split hinged base and a split hinged top beam, the rear end of the split hinged base is connected with the lower end of the shield beam through a front connecting rod and a rear connecting rod respectively, and the upper end of the shield beam is hinged with the rear end of the split hinged top beam; the split hinged top beam is connected with the split hinged base through a plurality of groups of hydraulic stand columns, a pushing seat is arranged in front of the split hinged base, and the rear end of the pushing seat is connected with the front end of the split hinged base through a frame moving hydraulic cylinder; the front end of the split hinged top beam is hinged with a front support beam, and a front beam hydraulic cylinder is arranged between the front support beam and the split hinged top beam; a side baffle is arranged on the split hinged top beam at the upper part of the coal wall side support and close to the outer side of the coal wall, and a plurality of groups of side supporting mechanisms which are horizontally and transversely arranged towards one side of the coal wall side support are arranged on the side baffle; and the two split hinged top beams of the coal wall side bracket and the coal side bracket are connected through a plurality of sets of anti-falling hydraulic cylinders.
The side supporting mechanism is composed of a side supporting hydraulic cylinder, the fixed end of the side supporting hydraulic cylinder is connected with the side baffle through a side supporting hinged seat, and the telescopic end of the side supporting hydraulic cylinder is provided with a side supporting seat; and the side support hydraulic cylinder is also connected with the lower side of the split hinged top beam of the coal wall side bracket by a circular ring chain penetrating through the sleeve chain hoisting ring. The side supporting seat arranged at the telescopic end of the side supporting hydraulic cylinder is driven by the telescopic of the side supporting hydraulic cylinder, so that the side support is realized for the coal side of the roadway in the end area, and the phenomenon of side caving is effectively prevented; and the circular ring chain is used for adjusting the vertical swinging angle of the side supporting hydraulic cylinder, so that the axial direction of the side supporting hydraulic cylinder is perpendicular to the coal side as much as possible, and the supporting force is loaded.
The side support hinging seat comprises a hinging seat connecting plate fixedly connected with the side baffle, a side support cylinder column nest is arranged on the hinging seat connecting plate, and side support cylinder hinging lug plates are respectively arranged on two sides of the side support cylinder column nest; the sphere surface of the fixed end of the side-supporting hydraulic cylinder is movably arranged in a side-supporting cylinder socket of the side-supporting hinging seat, and the fixed end of the side-supporting hydraulic cylinder is rotatably connected with a side-supporting cylinder hinging lug plate through a hinging rotating shaft. In order to utilize the cooperation contact of the articulated seat side stay cylinder column nest of side stay pneumatic cylinder stiff end sphere of side stay and side stay, come the dispersed effort, and then promote the structural strength and the life of the articulated seat of side stay.
The side supporting seat comprises a supporting plate which is contacted with the coal side, a hinged plug bush is arranged on the supporting plate, and two ends of the supporting plate are respectively provided with a bending edge which is bent towards one side of the hinged plug bush; the hinged plug bushes of the side supporting seats are movably inserted into the telescopic ends of the side supporting hydraulic cylinders through hinged rotating shafts. So as to increase the supporting area of the side supporting mechanism and improve the adaptability to the concave-convex fluctuation of the contact part.
The lower part of the side baffle of the coal wall side bracket split hinged top beam is hinged with an extension guard plate, a guard plate hydraulic cylinder is arranged between the extension guard plate and the split hinged top beam, the telescopic end of the guard plate hydraulic cylinder is hinged with the inner side of the extension guard plate, and the fixed end of the guard plate hydraulic cylinder is hinged with a guard plate cylinder hinged lug plate arranged on the lower side of the split hinged top beam; meanwhile, a shield baffle is arranged on the shield beam of the coal wall side bracket and close to the outer side of the coal wall. The blocking and protecting area of the end area coal wall side of the hydraulic support of the ultrahigh roadway end is increased, and the safety is improved.
The front end of the split hinged top beam is connected with the front end of the split hinged base through an upper connecting rod and a lower connecting rod which are hinged with each other. So as to enhance the stability of the hydraulic support at the end of the ultrahigh roadway in the lifting process.
The split hinged base comprises a middle base, the front end of the middle base is hinged with a front base, and the rear end of the middle base is hinged with a rear base; the split hinged top beams comprise middle top beams, the front ends of the middle top beams are hinged with front top beams, and the rear ends of the middle top beams are hinged with rear top beams. The adaptability of the hydraulic support at the end of the ultrahigh roadway to the fluctuation of the roadway top plate and the roadway bottom plate is improved, and the device is favorable for the disassembly and transportation of the device under a coal mine.
The utility model has the advantages that: because the utility model adopts the coal wall side support and the coal side support which are arranged side by side at the left and the right, the coal wall side support and the coal side support are both composed of the split hinged base and the split hinged top beam, the rear end of the split hinged base is respectively connected with the lower end of the shield beam through the front connecting rod and the rear connecting rod, and the upper end of the shield beam is hinged with the rear end of the split hinged top beam; the split hinged top beam is connected with the split hinged base through a plurality of groups of hydraulic upright columns, and a pushing seat is arranged in front of the split hinged base; a front support beam is hinged at the front end of the split hinged top beam, and a front beam hydraulic cylinder is arranged between the front support beam and the split hinged top beam; the side baffle is arranged on the split hinged top beam at the upper part of the coal wall side support, and a plurality of groups of side supporting mechanisms which are horizontally arranged towards one side of the coal wall side support are arranged on the side baffle; the structure of the end hydraulic support can adapt to the fully mechanized caving face of the ultrahigh roadway, can prevent the deformation of the roadway caving, has strong supporting capability and good stability, has high working face coal mining efficiency, effectively ensures the space required by equipment arrangement of the end area, and ensures the safety of pedestrians.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1 with the split articulated roof beams, screen beams, and hydraulic uprights removed.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is an enlarged view of a portion of the structure of fig. 3.
Fig. 5 is a schematic structural view of the side bracing mechanism in fig. 4.
Fig. 6 is an exploded view in the direction of a of fig. 5.
The sequence numbers in the figures illustrate: the device comprises a split hinged base 1, a front base 2, a middle base 3, a rear base 4, a front connecting rod 5, a rear connecting rod 6, a shield beam 7, a split hinged top beam 8, a front top beam 9, a middle top beam 10, a rear top beam 11, a guard plate hydraulic cylinder 12, an extension guard plate 13, a shield guard plate 14, a hydraulic upright 15, a lower connecting rod 16, a moving hydraulic cylinder 17, a pushing seat 18, an upper connecting rod 19, a front support beam 20, a front beam hydraulic cylinder 21, a coal wall side support 22, a coal wall side support 23, a coal wall side support 24, a side support 25, a side support mechanism 26, a tilting prevention hydraulic cylinder 26, a side support hydraulic cylinder 27, a side support hinged seat 28, a side support hinged seat 29, a circular ring chain 30, a chain sleeve 31, a guard plate cylinder hinged ear plate 32, a hinged seat connecting plate 33, a side support hinged cylinder connecting plate 34, a side support cylinder hinged ear plate 35.
Detailed Description
The specific structure of the present invention is described in detail with reference to fig. 1 to 6. The hydraulic support for the end of the ultrahigh roadway of the fully mechanized caving face comprises a coal wall side support 22 and a coal side support 23 which are arranged in parallel from left to right, wherein the coal wall side support 22 and the coal side support 23 respectively comprise a split hinged base 1 and a split hinged top beam 8. The split hinged base 1 comprises a middle base 3, the front end of the middle base 3 is hinged with a front base 2, and the rear end of the middle base 3 is hinged with a rear base 4; the split hinged top beam 8 comprises a middle top beam 10, the front end of the middle top beam 10 is hinged with a front top beam 9, and the rear end of the middle top beam 10 is hinged with a rear top beam 11. And then the adaptability of the hydraulic support at the end of the ultrahigh roadway to the fluctuation of the top plate and the bottom plate of the roadway is improved, and the device is favorable for the disassembly and transportation of the device under a coal mine.
The rear end of a rear base 4 of the split hinged base 1 is connected with the lower end part of a shield beam 7 through a front connecting rod 5 and a rear connecting rod 6 respectively; the upper end of the shield beam 7 is hinged with the rear end of a rear top beam 11 of the split hinged top beam 8. The front top beam 9, the middle top beam 10 and the rear top beam 11 of the split hinged top beam 8 are respectively connected with the corresponding front base 2, the middle base 3 and the rear base 4 on the split hinged base 1 through a plurality of groups of double-telescopic hydraulic upright posts 15. A pushing seat 18 for pushing the reversed loader is arranged in front of the front base 2 of the split hinged base 1, and the rear end of the pushing seat 18 is connected with the front end of the front base 2 through two groups of frame moving hydraulic cylinders 17. The front end of the front top beam 9 of the split hinged top beam 8 is hinged with a front support beam 20, and a front beam hydraulic cylinder 21 is arranged between the front support beam 20 and the front top beam 9. The front top beam 9 of the split hinged top beam 8 is connected with the front base 2 of the split hinged base 1 through an upper connecting rod 19 and a lower connecting rod 16 which are hinged with each other; thereby enhancing the stability of the hydraulic support at the end of the ultrahigh roadway in the lifting process.
The side retaining plates 24 of the front top beam 9, the middle top beam 10 and the rear top beam 11 of the coal wall side bracket 22 are respectively provided with a side supporting mechanism 25 which faces one side of the coal wall side bracket 23 and is horizontally and transversely arranged. The side supporting mechanism 25 is composed of a side supporting hydraulic cylinder 27, and the fixed end of the side supporting hydraulic cylinder 27 is connected with the side baffle plate 24 through a side supporting hinged seat 28. The side-support hinging seat 28 comprises a hinging seat connecting plate 33 fixedly connected with the side baffle 24, a side-support cylinder column nest 35 is arranged in the middle of the hinging seat connecting plate 33, and side-support cylinder hinging lug plates 34 are respectively arranged on two sides of the side-support cylinder column nest 35. The spherical surface at the fixed end of the side-supporting hydraulic cylinder 27 is movably arranged in a side-supporting cylinder socket 35 of the side-supporting hinging seat 28, and the fixed end of the side-supporting hydraulic cylinder 27 is rotatably connected with a side-supporting cylinder hinging lug plate 34 through a hinging rotating shaft. Therefore, the acting force is dispersed by utilizing the matching contact of the spherical surface at the fixed end of the side support hydraulic cylinder 27 and the side support cylinder socket 35 of the side support hinging seat 28, so as to improve the structural strength and the service life of the side support hinging seat 28.
The telescopic end of the side supporting hydraulic cylinder 27 of the side supporting mechanism 25 is provided with a side supporting seat 29, the side supporting seat 29 comprises a supporting plate 37 which is contacted with the coal side, and the supporting plate 37 is provided with a hinged plug bush 36; moreover, the support plate 37 is provided at both ends thereof with bent edges bent toward the hinge plug 36 side. The hinged plug bush 36 of the side support seat 29 is movably inserted into the telescopic end of the side support hydraulic cylinder 27 through a hinged rotating shaft; so as to increase the supporting area of the side supporting mechanism 25 and improve the adaptability to the concave-convex fluctuation of the contact part. Meanwhile, the side supporting hydraulic cylinder 27 is connected with the lower sides of the top beams of the separate hinged top beams 8 of the coal wall side bracket 22 by a circular ring chain 30 which passes through a cylinder body outer side chain loop hanging ring 31 of the side supporting cylinder. The side supporting seat 29 arranged at the telescopic end of the side supporting hydraulic cylinder 27 is driven by the telescopic of the side supporting hydraulic cylinder 27, so that the coal side of the roadway in the end area is laterally supported, and the phenomenon of caving is effectively prevented; and the circular ring chain 30 is used for adjusting the vertical swinging angle of the side supporting hydraulic cylinder 27, so that the axial direction of the side supporting hydraulic cylinder 27 is perpendicular to the coal side as much as possible, and the supporting force is loaded.
When the hydraulic support at the end of the ultrahigh roadway of the fully mechanized caving face is used, firstly, the coal wall side support 22 and the coal side support 23 are arranged in the end area of the working face in parallel from left to right, the hydraulic upright post 15 is lifted, and the support split body is hinged with the top beam 8 to form effective support for the top plate at the end area of the working face. Then, the front beam hydraulic cylinder 21 is extended to make the front support beam 20 contact with the top plate of the working face end area; moreover, each guard plate hydraulic cylinder 12 extends out, and then the extension guard plate 13 is attached to the coal wall; and then, the side supporting hydraulic cylinder 27 of the side supporting mechanism 25 is extended out, so that the side supporting seat 29 at the telescopic end of the side supporting hydraulic cylinder 27 supports the coal wall, and the rib spalling deformation of the roadway in the end area is effectively prevented.
When the hydraulic support at the end of the ultrahigh roadway needs to move forwards along with the coal mining of the working face, the hydraulic support moving cylinder 17 extends out firstly to drive the pushing seat 18 and the reversed loader on the pushing seat to move forwards by a step distance; subsequently, the front support beam 20 and the extension guard 13 are retracted, and the side support hydraulic cylinders 27 of the side support mechanism 25 are retracted to separate the side support seats 29 from the coal upper in preparation for racking. And then, the hydraulic upright post 15 is withdrawn to separate the split hinged top beam 8 of the hydraulic support at the end of the ultrahigh roadway from the top plate at the end of the working face, and then the frame moving hydraulic cylinder 17 is withdrawn to pull the whole hydraulic support at the end to move forward by a step pitch by using a reversed loader. After the end hydraulic support moves to the right position, the hydraulic upright 15, the front beam extending hydraulic cylinder 21 and the guard plate hydraulic cylinders 12 are lifted again, and the side supporting hydraulic cylinders 27 of the side supporting mechanism 25 extend out to continuously support the top plate and the coal side in the end area of the working face.
Claims (7)
1. The utility model provides a combine and put working face superelevation tunnel end hydraulic support, includes about coal wall side support (22) and coal group side support (23) that arrange side by side, its characterized in that: the coal wall side support (22) and the coal wall side support (23) are both formed by a split hinged base (1) and a split hinged top beam (8), the rear end of the split hinged base (1) is connected with the lower end of a shield beam (7) through a front connecting rod (5) and a rear connecting rod (6), and the upper end of the shield beam (7) is hinged with the rear end of the split hinged top beam (8); the split hinged top beam (8) is connected with the split hinged base (1) through a plurality of groups of hydraulic upright columns (15), a pushing seat (18) is arranged in front of the split hinged base (1), and the rear end of the pushing seat (18) is connected with the front end of the split hinged base (1) through a frame moving hydraulic cylinder (17); the front end of the split hinged top beam (8) is hinged with a front support beam (20), and a front beam hydraulic cylinder (21) is arranged between the front support beam (20) and the split hinged top beam (8); a side baffle (24) is arranged on the split hinged top beam (8) at the upper part of the coal wall side support (22) and close to the outer side of the coal wall, and a plurality of groups of side supporting mechanisms (25) which are horizontally and transversely arranged towards one side of the coal wall side support (23) are arranged on the side baffle (24); and the two split hinged top beams (8) of the coal wall side bracket (22) and the coal side bracket (23) are connected through a plurality of groups of anti-falling hydraulic cylinders (26).
2. The hydraulic support for the ultrahigh roadway end of the fully mechanized caving face of claim 1, which is characterized in that: the side supporting mechanism (25) is composed of a side supporting hydraulic cylinder (27), the fixed end of the side supporting hydraulic cylinder (27) is connected with the side baffle (24) through a side supporting hinged seat (28), and the telescopic end of the side supporting hydraulic cylinder (27) is provided with a side supporting seat (29); and the side support hydraulic cylinder (27) is also connected with the lower side of the split hinged top beam (8) of the coal wall side bracket (22) by a ring chain (30) passing through a sleeve chain lifting ring (31).
3. The hydraulic support for the ultrahigh roadway end of the fully mechanized caving face of claim 2, which is characterized in that: the side support hinging seat (28) comprises a hinging seat connecting plate (33) fixedly connected with the side baffle (24), a side support cylinder column socket (35) is arranged on the hinging seat connecting plate (33), and side support cylinder hinging lug plates (34) are respectively arranged on two sides of the side support cylinder column socket (35); the spherical surface activity of side props pneumatic cylinder (27) stiff end sets up in side props cylinder column nest (35) of articulated seat (28) of side props, and the stiff end of side props pneumatic cylinder (27) is connected with side props jar hinge otic placode (34) through articulated pivot and rotation.
4. The hydraulic support for the ultrahigh roadway end of the fully mechanized caving face of claim 2, which is characterized in that: the side supporting seat (29) comprises a supporting plate (37) contacted with the coal side, a hinged plug bush (36) is arranged on the supporting plate (37), and bending edges bent towards one side of the hinged plug bush (36) are respectively arranged at two ends of the supporting plate (37); and a hinged plug bush (36) of the side support seat (29) is movably inserted into the telescopic end of the side support hydraulic cylinder (27) through a hinged rotating shaft.
5. The hydraulic support for the ultrahigh roadway end of the fully mechanized caving face of claim 1, which is characterized in that: the coal wall side support (22) is hinged with an extension guard plate (13) in a split mode at the lower portion of a side baffle (24) of the top beam (8), a guard plate hydraulic cylinder (12) is arranged between the extension guard plate (13) and the split hinged top beam (8), the telescopic end of the guard plate hydraulic cylinder (12) is hinged with the inner side of the extension guard plate (13), and the fixed end of the guard plate hydraulic cylinder (12) is hinged with a guard plate cylinder hinged lug plate (32) arranged on the lower side of the split hinged top beam (8); meanwhile, a shield baffle (14) is arranged on the shield beam (7) of the coal wall side bracket (22) and close to the outer side of the coal wall.
6. The hydraulic support for the ultrahigh roadway end of the fully mechanized caving face of claim 1, which is characterized in that: the front end of the split hinged top beam (8) is connected with the front end of the split hinged base (1) through an upper connecting rod (19) and a lower connecting rod (16) which are hinged with each other.
7. The hydraulic support for the ultrahigh roadway end of the fully mechanized caving face of claim 1, which is characterized in that: the split hinged base (1) comprises a middle base (3), the front end of the middle base (3) is hinged with a front base (2), and the rear end of the middle base (3) is hinged with a rear base (4); the split hinged top beam (8) comprises a middle top beam (10), the front end of the middle top beam (10) is hinged with a front top beam (9), and the rear end of the middle top beam (10) is hinged with a rear top beam (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860904.XU CN210105902U (en) | 2019-06-10 | 2019-06-10 | Hydraulic support for ultrahigh roadway end of fully mechanized caving face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860904.XU CN210105902U (en) | 2019-06-10 | 2019-06-10 | Hydraulic support for ultrahigh roadway end of fully mechanized caving face |
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| Publication Number | Publication Date |
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| CN210105902U true CN210105902U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920860904.XU Active CN210105902U (en) | 2019-06-10 | 2019-06-10 | Hydraulic support for ultrahigh roadway end of fully mechanized caving face |
Country Status (1)
| Country | Link |
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| CN (1) | CN210105902U (en) |
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2019
- 2019-06-10 CN CN201920860904.XU patent/CN210105902U/en active Active
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