CN218347415U - Hydraulic support for supporting ultra-thin coal seam - Google Patents
Hydraulic support for supporting ultra-thin coal seam Download PDFInfo
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- CN218347415U CN218347415U CN202222701163.5U CN202222701163U CN218347415U CN 218347415 U CN218347415 U CN 218347415U CN 202222701163 U CN202222701163 U CN 202222701163U CN 218347415 U CN218347415 U CN 218347415U
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- connecting rod
- coal seam
- hydraulic support
- thin coal
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Abstract
The utility model belongs to the technical field of the technique of mine underground equipment and specifically relates to a hydraulic support is strutted with extremely thin coal seam, the on-line screen storage device comprises a base, the back timber of setting in the base top, two front uprights that the symmetry set up between base and back timber, two rear uprights that the symmetry set up between base and back timber, front end and base afterbody articulated shield roof beam, one end and shield the afterbody of roof beam articulated mutually and the other end and the afterbody of base articulated mutually back connecting rod and the middle part of upper end and shield roof beam articulated mutually with lower extreme and base articulated front connecting rod mutually. The utility model discloses set up at the base front end of support at the pedestrian passageway, adopt board-like push rod to increase pedestrian passageway height, very big reduction the pedestrian passageway space that push rod occupy.
Description
Technical Field
The utility model belongs to the technical field of the technique of mine underground equipment and specifically relates to a hydraulic support is strutted in extremely thin coal seam.
Background
The thin coal seam mining is characterized in that more than 80% of coal mining areas are thin or ultra-thin coal seams, the reserves of part of the areas occupy a great proportion, along with the successful application of the fully mechanized caving technology in medium and above coal seams in China, the thick coal seams of mines are almost exhausted, the mining of the thin coal seams and the ultra-thin coal seams is valued by people, the mining of the thin coal seams adopts fully mechanized mining equipment due to special geological conditions and narrow working face, the arrangement of related mining, operation and branch equipment is limited, and the maintenance, overhaul and operation of the equipment are influenced by space.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims at providing a set up pedestrian's passageway at the base front end of support, adopt board-like push rod to increase pedestrian's passageway height, very big reduction the hydraulic support for the extremely thin coal seam of pedestrian passageway space that push rod occupy is strutted.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a hydraulic support for supporting of extremely thin coal seam, includes the base, sets up the back timber above the base, the symmetry sets up two front column between base and back timber, the symmetry sets up two rear column between base and back timber, front end and base afterbody articulated shield roof beam, one end is articulated mutually with the afterbody of shield roof beam and the other end is articulated mutually with the afterbody of base back connecting rod and the upper end is articulated mutually with the middle part of shield roof beam and lower extreme and base articulated front connecting rod mutually, two front column are located the place ahead of two rear column, the front connecting rod is located the place ahead of back connecting rod, the base be full-open shelves box type welded structure, the back timber be slim box welded structure, the base in the middle of install the lapse jack, the end connection of the piston rod of lapse jack have a lapse pole, lapse pole be plate type structure, the lapse pole be located the place ahead of base, base the place ahead be provided with the manway, the width of back timber be wider than the width of base, the both sides of back timber thinner.
The two sides and the front end of the top beam are thin, and the middle of the top beam is thick.
The back timber including apron one, symmetry set up two curb plates one, the symmetry of apron left and right sides set up two outer main muscle one, the symmetry of two curb plates one inboards sets up two interior main muscle one of two outer main muscle inboards and sets up the roof at apron one front end, the upper end of two rear column and front column articulated mutually with apron one.
The base include two boxes that the symmetry set up, two boxes link to each other through preceding bridge and back bridge from the front to the back, the box include apron two, the outer main muscle two that the two outsides of apron set up, the interior main muscle two that the two inboards of apron set up and the bottom plate that the two rear sides of apron set up, preceding bridge and back bridge setting are between two interior main muscle two.
The shield beam is of a box structure and comprises a third top plate, two second side plates arranged on two sides of the third top plate, two third outer main ribs symmetrically arranged on the inner sides of the two second side plates, two third inner main ribs symmetrically arranged on the inner sides of the two third outer main ribs, and a third cover plate arranged between the two third inner main ribs.
The front connecting rod and the rear connecting rod are of box structures, and the front connecting rod and the rear connecting rod are respectively provided with two main ribs and two cover plates which are welded together to form the box structures.
The pushing rod comprises a front push rod and a rear push rod which are connected through a locking pin shaft, and the tail end of the rear push rod is connected with the end part of a piston rod of the pushing jack.
The front upright post and the rear upright post are both in a double-telescopic structure type, and the middle cylinders of the front upright post and the rear upright post are both internally injected with liquid.
The utility model has the advantages that:
1. the utility model discloses set up at the base front end of support at the pedestrian passageway, adopt board-like push rod to increase pedestrian's passageway height, very big reduction the pedestrian passageway space that push rod occupy.
2. The utility model discloses a two boxes of base link to each other through preceding gap bridge and back gap bridge from the front to the back, increase the holistic antitorque ability of base.
3. The utility model discloses an install two front uprights and two rear columns on the base, the back timber is connected to the upper end of two front uprights and two rear columns, and back timber and base rear portion articulate has shield roof beam, preceding connecting rod and back connecting rod, constitutes hydraulic support's stabilizing mean.
Drawings
Fig. 1 is a front view of the whole frame of the present invention.
Fig. 2 is a top view of the whole frame of the present invention.
Fig. 3 is a left side view of the whole frame of the present invention.
Fig. 4 is a side view of the base of the present invention.
Fig. 5 is a side view of the top beam of the present invention.
Fig. 6 is a side view of the shield beam of the present invention.
Fig. 7 is a side view of the connecting rod of the present invention.
Fig. 8 is a side view of the pushing rod of the present invention.
Fig. 9 is a side view of the column of the present invention.
Detailed Description
Number in the figure: the device comprises a base 1, a top beam 2, a front upright column 3, a rear upright column 4, a shield beam 5, a front connecting rod 6, a rear connecting rod 7, a push rod 8, a push jack 9, a push jack 1-1, an outer main rib II, an inner main rib II, a front gap bridge 1-3, a rear gap bridge 1-4, a cover plate II, a bottom plate 1-6, a column socket 1-7, an inner main rib I2-1, an outer main rib I2-2, a side plate I2-3, a top plate I2-4, a cover plate I2-5, a column cap 2-6, an outer cylinder body 3-1, a middle cylinder body 3-2, a movable column 3-3, a guide sleeve 3-4, an inner main rib III 5-1, an outer main rib III 5-2, an outer main rib II 5-3, a top plate II 5-4, a cover plate III 5-5, a cover plate III 6-1, a main rib 6-1, a push rod 8-2 and a push rod 8-8.
The utility model relates to a hydraulic support is strutted in extremely thin coal seam, including base 1, back timber 2, front column 3, rear column 4, shield roof beam 5, preceding connecting rod 6, back connecting rod 7, push rod 8, push jack 9, hydraulic pressure pipe-line system, electro-hydraulic control system etc.. A pedestrian passage is arranged in front of the base, so that personnel can conveniently enter the working surface to operate the fully mechanized mining equipment and carry out maintenance work.
The top beam 2 is arranged above the base 1, two front columns 3 and two rear columns 4 are symmetrically arranged between the base 1 and the top beam 2, the two front columns 3 are located in front of the two rear columns 4, the upper ends of the two front columns 3 and the two rear columns 4 are hinged to the top beam 2, the lower ends of the two front columns 3 and the two rear columns 4 are hinged to the base 1, the tail of the base is hinged to a shield beam 5, the tail of the shield beam 5 is hinged to a rear connecting rod 7, the other end of the rear connecting rod 7 is hinged to the base 1, the upper end of the front connecting rod 6 is hinged to the middle of the shield beam 5, the lower end of the front connecting rod is hinged to the base 1, the front connecting rod 6 is located in front of the rear connecting rod 7, the front connecting rod 6 and the rear connecting rod 7 are respectively two, the base 1 is of a fully-open baffle box type welding structure, the top beam 2 is of a box type welding structure, a pushing jack 9 is installed in the middle of the base 1, a piston rod of the pushing jack 9 is located in front, the end of the piston rod of the pushing jack 9 is connected with a pushing rod 8, the pushing rod is located in a plate type structure, the front of the base 1, the front of the base 2 is arranged in a width of the base 1, and the base 2 is wider than the width of the base 1, and the base 2, and the base is arranged on two sides of a thin channel, and the base 1.
The top beam 2 is a thin box body welding structure and contacts with a coal seam top plate during working, the base 1 is an integral rigid full-open-gear box type welding structure, a piston rod of the pushing jack 9 is positioned in front, namely the pushing jack 9 is installed normally, and pushing sliding and frame moving during coal mining are realized by extending and retracting the pushing jack 9; the upper parts of the front connecting rod 6 and the rear connecting rod 7 are hinged to the shield beam 5, and the lower parts of the front connecting rod and the rear connecting rod are hinged to the base 1 to form a four-connecting-rod stabilizing mechanism; two front uprights 3 and two rear uprights 4 are main bearing elements, and upper portion articulates in the back timber, and the lower part articulates in the base, and stretching of two front uprights and two rear uprights 4 is realized the utility model discloses a high lift.
Install two front column 3 and two rear column 4 on the base, two front column 3 and two rear column 4 upper ends are connected back timber 2, and back timber 2 and base 1 rear portion are articulated to have a shield roof beam 5, preceding connecting rod 6 and back connecting rod 7, constitute hydraulic support's stabilizing mean.
The base 1 is located at the lower part of the support and is of an integral full-open gear structure, the base 1 comprises two symmetrically arranged boxes, and the two boxes are connected with each other through a front gap bridge 1-3 and a rear gap bridge 1-4 from front to back, so that the integral torsion resistance of the base 1 is improved. The box body comprises a cover plate II 1-5, an outer main rib II 1-1 arranged on the outer side of the cover plate II 1-5, an inner main rib II 1-2 arranged on the inner side of the cover plate II 1-5, and a bottom plate 1-6 arranged on the rear side of the cover plate II 1-5, wherein a front gap bridge 1-3 and a rear gap bridge 1-4 are arranged between the two inner main ribs II 1-2, and hinge holes are formed in the rear parts of the two box bodies and used for installing a front connecting rod 6 and a rear connecting rod 7. Four column nests connected with the lower ends of the two front columns 3 and the two rear columns 4 are arranged on the base.
The top beam 2 is positioned on the upper part of the base 1 and is in contact with a coal seam roof, the whole base is of a box-shaped welding structure, the top beam comprises a cover plate I2-5, two side plates I2-3 symmetrically arranged on the left side and the right side of the cover plate I2-5, two outer main ribs I2-2 symmetrically arranged on the inner sides of the two side plates I2-3, two inner main ribs I2-1 symmetrically arranged on the inner sides of the two outer main ribs I2-2, and a roof plate I2-4 arranged at the front end of the cover plate I2-5, four column caps 2-6 are embedded and welded on the cover plate I2-5, and the upper ends of two rear upright columns 4 and the front upright column 3 are hinged with the cover plate I2-5 through corresponding column caps 2-6.
Shield roof beam 5 is located the utility model discloses a rear portion, the upper portion of shield roof beam 5 is articulated with back timber 2, and shield roof beam 5 lower part is articulated with preceding connecting rod 6 and back connecting rod 7, constitutes stabilizing support's four-bar linkage jointly with base 1. The shield beam 5 is of a box body structure, and the shield beam 5 comprises a top plate II 5-4, two side plates II 5-3 arranged at two sides of the top plate II 5-4, two outer main ribs III 5-2 symmetrically arranged at the inner sides 5-3 of the two side plates II, two inner main ribs III 5-1 symmetrically arranged at the inner sides of the two outer main ribs III 5-2, and a cover plate III 5-5 arranged between the two inner main ribs III 5-1.
The front connecting rod 6 and the rear connecting rod 7 are positioned at the rear part of the bracket, and the front connecting rod 6 and the rear connecting rod 7 are split single connecting rods which are 1 piece at the left and the right. The upper parts of the front connecting rod 6 and the rear connecting rod 7 are hinged with the shield beam 5, and the lower parts of the front connecting rod 6 and the rear connecting rod 7 are hinged with the base 1. The front connecting rod 6 and the rear connecting rod 7 are identical in structure, 2 main ribs 6-1 and 2 cover plate four 6-2 are welded to form a box-shaped structure, and hinge holes are formed in the two ends of the box-shaped structure.
The pushing rod 8 is connected with the middle rail of the base 1 through a pushing jack 9, and pushing sliding and pulling during coal mining are achieved through stretching of the pushing jack 9. The pushing rod 8 is of a plate structure and comprises a front push rod 8-1 and a rear push rod 8-2, and the front push rod 8-1 is connected with the rear push rod 8-2 through a locking pin shaft 8-3. The front push rod 8-1 adopts a plate type structure, and the pedestrian passageway space occupied by the push rod is greatly reduced. The rear push rod 8-2 is used as a guide when the pushing and sliding frame is pushed. The rear push rod 8-2 is provided with a hinge hole which is connected with the piston rod end of the pushing jack 9.
The front column 3 and two rear columns 4 are main executing elements borne by the support, the pressure of the top beam 2 can be transmitted to the base 1 through the front column 3 and the two rear columns 4, the safety and stability of the coal mining operation space are maintained, for the purpose of making the utility model discloses have a larger expansion ratio, the front column 3 and the two rear columns 4 adopt a double-expansion structure type, the middle cylinders of the front column 3 and the two rear columns 4 are filled with liquid internally, and the front column 3 and the two rear columns 4 respectively comprise an outer cylinder body 3-1, a middle cylinder body 3-2, a movable column 3-3, a guide sleeve 3-4 and a sealing element. The cylinder bottoms of the outer cylinder bodies 3-1 of the front upright post 3 and the two rear upright posts 4 are large spherical surfaces and are hinged with a column socket arranged on the base, the cylinder arm of the middle cylinder body is provided with a deep hole to communicate the inner annular cavity with the outer annular cavity, the movable column 3-3 is of an integral solid structure, and the end of the column head is provided with a hinge hole to be connected and hinged with a column cap on the top beam.
The utility model discloses a ratio of expansion is big (support minimum height 450mm, support maximum height 750 mm), and four front column 3 and two rear column 4 are close vertical, and bearing capacity is strong. The utility model adopts the thin integral top beam 2, the top beam 2 is wide, the base 1 is narrow, and the two sides of the top beam 1 are thinner, which is convenient for personnel to enter the space between the racks for maintenance; the pedestrian passageway is arranged at the front end of the base 1, and a plate-type pushing rod 8 is adopted to increase the height of the pedestrian passageway; in order to increase the telescopic ratio of the bracket, the middle cylinders of the front upright post 3 and the two rear upright posts 4 are designed to be internally injected with liquid, and the upright post stroke is increased.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a hydraulic support is used in extremely thin coal seam support which characterized in that: including base, the back timber of setting above the base, the symmetry sets up two front uprights between base and back timber, the symmetry sets up two rear uprights between base and back timber, front end and base afterbody articulated shield roof beam, one end and the afterbody of shielding the roof beam articulated mutually and the other end and the afterbody of base articulated mutually back connecting rod and upper end and the middle part of shielding the roof beam articulated mutually and lower extreme and base articulated front connecting rod mutually, two front uprights are located the place ahead of two rear uprights, and the front connecting rod is located the place ahead of back connecting rod, the base be full-open shelves box welded structure, the back timber be slim box welded structure, the base in the middle of install and pass the jack, the end connection of the piston rod of passing the jack have a lapse pole, lapse pole be plate structure, lapse pole be located the place ahead of base, the base be provided with people's passageway, the width of back timber be wider than the width of base, the both sides of back timber thinner.
2. The hydraulic support for supporting the ultra-thin coal seam according to claim 1, wherein: the two sides and the front end of the top beam are thin, and the middle of the top beam is thick.
3. The hydraulic support for supporting the extremely thin coal seam according to claim 2, wherein: the top beam comprises a first cover plate, two first side plates symmetrically arranged on the left side and the right side of the first cover plate, two first outer main ribs symmetrically arranged on the inner sides of the two first side plates, two first inner main ribs symmetrically arranged on the inner sides of the two first outer main ribs, and a top plate arranged at the front end of the first cover plate, wherein the upper ends of the two rear stand columns and the front stand columns are hinged to the first cover plate.
4. The hydraulic support for supporting the extremely thin coal seam according to claim 1, wherein: the base include two boxes that the symmetry set up, two boxes link to each other through preceding bridge and back bridge from the front to the back, the box include apron two, the outer main muscle two that the two outsides of apron set up, the interior main muscle two that the two inboards of apron set up and the bottom plate that the two rear sides of apron set up, preceding bridge and back bridge setting are between two interior main muscle two.
5. The hydraulic support for supporting the ultra-thin coal seam according to claim 1, wherein: the shield beam is of a box structure and comprises a third top plate, two second side plates arranged on two sides of the third top plate, two third outer main ribs symmetrically arranged on the inner sides of the two second side plates, two third inner main ribs symmetrically arranged on the inner sides of the two third outer main ribs, and a third cover plate arranged between the two third inner main ribs.
6. The hydraulic support for supporting the ultra-thin coal seam according to claim 1, wherein: the front connecting rod and the rear connecting rod are of box structures, and the front connecting rod and the rear connecting rod are respectively provided with two main ribs and two cover plates which are welded together to form the box structures.
7. The hydraulic support for supporting the ultra-thin coal seam according to claim 1, wherein: the pushing rod comprises a front push rod and a rear push rod which are connected through a locking pin shaft, and the tail end of the rear push rod is connected with the end part of a piston rod of the pushing jack.
8. The hydraulic support for supporting the extremely thin coal seam according to claim 1, wherein: the front upright post and the rear upright post are both in a double-telescopic structure type, and the middle cylinders of the front upright post and the rear upright post are both internally injected with liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222701163.5U CN218347415U (en) | 2022-10-14 | 2022-10-14 | Hydraulic support for supporting ultra-thin coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222701163.5U CN218347415U (en) | 2022-10-14 | 2022-10-14 | Hydraulic support for supporting ultra-thin coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347415U true CN218347415U (en) | 2023-01-20 |
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ID=84896705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222701163.5U Active CN218347415U (en) | 2022-10-14 | 2022-10-14 | Hydraulic support for supporting ultra-thin coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347415U (en) |
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- 2022-10-14 CN CN202222701163.5U patent/CN218347415U/en active Active
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Effective date of registration: 20231213 Address after: 221000 No.55 Jingshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Patentee after: XUZHOU HUADONG MACHINERY PLANT Patentee after: Henan Guoxin Intelligent Technology Research Institute Co.,Ltd. Address before: No. 02, Southeast corner of the intersection of Chemical Road and Yunshan Road, High-tech Zone, Zhengzhou City, Henan Province, 450000 Patentee before: Henan Guoxin Intelligent Technology Research Institute Co.,Ltd. |