CN217976273U - Mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support - Google Patents
Mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support Download PDFInfo
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- CN217976273U CN217976273U CN202221886381.4U CN202221886381U CN217976273U CN 217976273 U CN217976273 U CN 217976273U CN 202221886381 U CN202221886381 U CN 202221886381U CN 217976273 U CN217976273 U CN 217976273U
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Abstract
The utility model discloses a mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support, which comprises a top beam structure, a shield beam structure movably connected with the right end of the top beam structure, a base structure positioned below the top beam structure, and a connecting rod structure which is connected with the top beam structure and the base structure and positioned on the left side of the shield beam structure; back timber lower part fixedly connected with post cap structure, the roof beam right-hand member that shields rotates with the back connecting rod through the round pin axle to be connected, the back connecting rod rotates with the base structure through the round pin axle to be connected, be provided with the push rod of flip-chip in the middle of the base, the connecting rod structure includes two flexible stands, the top and the post cap of two flexible stands are articulated, the welding has the double-ear board on the partial main muscle on the left of the base, be provided with the bow-shaped single clamp plate of class that does benefit to two flexible stand activities between two ear boards, the upper surface of dog and the lower surface sliding connection of single clamp plate. The utility model discloses when can make hydraulic support possess the narrow centre-to-centre spacing of 1.5m, improve hydraulic support's working resistance and strut intensity greatly.
Description
Technical Field
The utility model relates to a mining hydraulic support field, concretely relates to mining big buried depth narrow centre-to-centre spacing big working resistance shields formula hydraulic support.
Background
The reserve of coal resources with the burial depth of more than 1000m in China is abundant, deep coal mining is accompanied by the increase of mining ground pressure, the rock destruction process is strengthened, the change of surrounding rocks of a roadway is severe, the deformation speed is accelerated, the convergence is obviously increased, the rock burst strength and the frequency are increased, and the like, so that higher requirements are provided for the supporting capability in the excavation and extraction processes.
Along with the increase of mining depth to more than kilometer and the aggravation of roof pressure, the supporting strength of the existing 6800KN working resistance hydraulic support cannot meet the requirements of a high-yield and high-efficiency working face gradually, most of the working resistance hydraulic supports above 6800KN are 1.75 meters in center distance, and due to the fact that some special mines are early constructed and are limited in transportation capacity and conditions, the 1.75 meter wide support cannot meet the transportation requirements of partial mines, and safety and high-efficiency mining are not facilitated, so that the narrow center distance, the large working resistance and the high supporting strength hydraulic support are developed aiming at mining of coal beds buried deeply over kilometers and developing medium and thick coal bed mining technologies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the mining hydraulic support overcomes the defects in the prior art, provides a mining hydraulic support with large burial depth, narrow center distance and large working resistance, and can improve the working resistance and the supporting strength of the hydraulic support while enabling the hydraulic support to have the narrow center distance.
In order to achieve the above purpose, the utility model adopts the following technical proposal: a mining shield hydraulic support with large burial depth, narrow center distance and large working resistance comprises a top beam structure, a shield beam structure movably connected with the right end of the top beam structure, a base structure positioned below the top beam structure, and a connecting rod structure which is connected with the top beam structure and the base structure and positioned on the left side of the shield beam structure; the top beam structure comprises a top beam, the lower part of the top beam is fixedly connected with a small column cap structure, the left end of the top beam is fixedly connected with a side protection plate, the shield beam structure comprises a shield beam with the left end rotatably connected with the right end of the top beam, a support jack rotatably connected with the right end of the top beam is arranged in the middle of the shield beam, one end of the supporting jack is movably connected with the bottom of the shield beam, the other end of the supporting jack is connected with the right end of the top beam, the right end of the shield beam is rotationally connected with a rear connecting rod through a pin shaft, the rear connecting rod is rotationally connected with the base structure through the pin shaft, the base structure comprises a base which is positioned right below the top beam, a push rod which is reversely arranged is arranged in the middle of the base, the right end of the push rod is connected with the right end of the pushing jack, the left end of the pushing jack is connected with a first pin shaft, the left part of the base is fixedly connected with a fixed seat, the first pin shaft is welded with the fixed seat, the middle part of the left end of the base is provided with a bottom lifting jack for lifting the base in an inverted way, the bottom lifting jack is positioned at the left side of the pushing jack, the connecting rod structure comprises double telescopic upright columns, two column nests connected with the bottoms of the double telescopic columns are arranged at the lower part of the base, which is positioned at the left end of the pushing jack, the top of the double telescopic upright posts is hinged with the post cap, the middle part of the base is movably connected with a connecting rod connected with the shield beam, the welding has the ears board on the partial main muscle on the base left side, and the ears board includes the ears board that two spacing distance set up, is provided with the bow-shaped form single clamp plate that does benefit to the activity of two flexible stands between two ears boards, and two flexible stands include two flexible stands that are located both sides around the base respectively, and the equal fixed mounting in the outside of every flexible stand has the upper surface to be curved dog, the upper surface of dog and the lower surface sliding connection of single clamp plate.
Further, little post cap structure include with back timber bottom welded cross gusset, the bottom fixedly connected with saddle plate of cross gusset, the bottom fixedly connected with post cap of saddle plate, the length of cross gusset left side back timber is 2.45 with the length ratio of cross gusset right side back timber: 1.
furthermore, the middle part of base is provided with the electrohydraulic control ware, the electrohydraulic control ware is located between connecting rod and the two flexible stands, and is close to the connecting rod, the connecting rod is connected with the right-hand member rotation that shields the roof beam.
Furthermore, the top beam, the shield beam and the base are respectively provided with a movable side guard plate at the front side and the rear side.
Furthermore, one end of the pushing jack is rotatably connected with the push rod, the other end of the pushing jack is rotatably connected with the base, the bottom surface of the push rod is slidably connected with the base, the projection of the double lug plates is overlapped with the main rib of the base, the double lug plates are positioned right above the fixed seat, the inner cylinder diameter of the pushing jack is 180mm, the outer cylinder diameter of the pushing jack is 219mm, and the diameter of the connecting part of the pushing jack and the first pin shaft is 180mm.
Furthermore, the push rod is positioned below the double telescopic columns, the left end of the top beam is movably connected with a side protection plate, the lower part of the right end of the side protection plate is connected with one end of a side protection jack, and the other end of the side protection jack is fixedly connected with the middle part of the left end of the top beam.
Further, both ends respectively are provided with a set of binaural board about the single clamp plate and connect, and every binaural board of group all is connected with the single clamp plate through a second round pin axle, and each fixed mounting in both sides has a dog around every flexible stand, every dog all with the single clamp plate sliding connection who corresponds, the width of back timber is 1450mm, and the centre-to-centre spacing of two flexible stands is 830mm, and the distance between two flexible stands is not less than 320mm, and the internal diameter of flexible stand is 360mm, and the external diameter is 420mm.
The utility model has the advantages that:
1. the utility model discloses a base structure adopts external clamp plate to be connected with two flexible stands, and two flexible stand external welding dogs, welding double ear board on the base owner muscle pass through second round pin hub connection with the single clamp plate between two sets of double ear boards, and the dog can slide on the single clamp plate according to stand angular variation, and double ear board projection overlaps with base owner muscle, reduces the horizontal occupation space of base stand, through this structure, satisfies the requirement of arranging of two flexible stand 420mm external diameters.
2. The utility model discloses a back timber structure and two flexible stands adopt little post cap structural connection, little post cap structure comprises the post cap, the saddle board, the cross muscle, be the saddle board above the post cap, be the cross muscle above the saddle board, on the cross muscle welding back timber roof, this structural reliability is high, improve two flexible stands and back timber pin joint height simultaneously, when making the support minimum in the outer jar footpath of two flexible stands does not get into the back timber, reduce and occupy vertical space, through this structure, satisfy the internal diameter and be the requirement of arranging of two flexible stand 360mm internal diameters.
3. The utility model discloses a long push rod of flip-chip is arranged to the base structure centre, the cylinder diameter is connected for 180mm flip-chip advancing jack in adopting between push rod and the base, the outer cylinder diameter of advancing the jack is 219mm, advancing the jack and being connected through round pin axle and the fixing base on the base, advancing the jack and connecting first round pin axle department width and be 180mm, through this kind of structure, make the interval be 320mm in the middle of the base, the effectual cylinder diameter of arranging is 180mm flip-chip advancing jack problem, through the structure, two flexible stand centre-to-centre spacings are 830mm, effectively solved and arranged the cylinder diameter and arrange the problem for 360mm double-telescopic stand.
4. The utility model discloses a hydraulic support makes whole working resistance reach 9000KN through above-mentioned structure, the centre-to-centre spacing is 1.5m, the biggest support intensity is 1.34MPa, the biggest support height is 4.0m, satisfy domestic most mine transportation ability, the ore pressure that high support intensity can effectual control kilometer deep well coal seam exploitation shows, the security of kilometer deep well exploitation has had great ground to improve, promote hydraulic support's adaptability on the whole, the working face safety high efficiency exploitation has been realized combining, automatic operation, and great significance is achieved.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a structural diagram of the lowest support height of the present invention;
FIG. 3 is a schematic view of the pillar cap of the present invention;
fig. 4 is a schematic top view of the dual telescopic columns of the present invention;
fig. 5 is a schematic view of a top view of the pushing jack of the present invention;
fig. 6 is a schematic top view of the pushing jack of the present invention;
FIG. 7 is a schematic structural view of a double telescopic pillar block of the present invention;
fig. 8 is a side view of the base of the present invention;
fig. 9 is a schematic top view of the single pressing plate of the present invention;
fig. 10 is a side view and front view schematic diagram of the single-pressing plate of the present invention.
In the figure, 1, a base; 2. an electro-hydraulic controller; 3. pushing a jack; 4. a push rod; 5. a column nest; 6. lifting a bottom jack; 7. double telescopic columns; 8. a top beam; 9. a cap of the column; 10. covering the beam; 11. a connecting rod; 12. supporting the jack; 13. a side protection plate; 14. a side protection jack; 15. a cross rib plate; 16. a saddle plate; 17. a first pin shaft; 18. a stopper; 19. a single pressing plate; 20. a double ear plate; 21. a second pin shaft; 22. a fixed seat.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
The embodiment is as follows:
as shown in fig. 1-10, a mining shield hydraulic support with large burial depth, narrow center distance and large working resistance comprises a top beam structure, a shield beam structure movably connected with the right end of the top beam structure, a base structure positioned below the top beam structure, and a connecting rod structure connecting the top beam structure and the base structure and positioned on the left side of the shield beam structure; the top beam structure comprises a top beam 8, the lower part of the top beam 8 is fixedly connected with a small column cap structure, the left end of the top beam 8 is fixedly connected with a side protection plate 13, the side protection plate structure comprises a shield beam 10, the left end of the shield beam is rotatably connected with the right end of the top beam 8, the middle part of the shield beam 10 is provided with a support jack 12 rotatably connected with the right end of the top beam 8, the cylinder diameter of the support jack 12 is 230mm, one end of the support jack 12 is movably connected with the bottom of the shield beam 10, the other end of the support jack is connected with the right end of the top beam 8, the right end of the shield beam 10 is rotatably connected with a rear connecting rod through a pin shaft, the rear connecting rod is rotatably connected with a base structure through a pin shaft, the base structure comprises a base 1 positioned under the top beam 8, a reversely-installed push rod 4 in the middle of the base 1, the right end of the push rod 4 is connected with the right end of a pushing jack 3, a first pin shaft 17 at the left end of the pushing jack 3 is connected, a fixing seat 22 is fixedly connected with the left part of the base 1, the first pin shaft 17 is welded with a fixed seat 22, the middle part of the left end of the base 1 is provided with a bottom lifting jack 6 for lifting the base 1 in an inverted manner, the bottom lifting jack 6 is positioned on the left side of a pushing jack 3, the connecting rod structure comprises a double telescopic upright post 7, the base 1 is positioned below the left end of the pushing jack 3 and is provided with two post sockets 5 connected with the bottoms of the double telescopic upright posts 7, the top of the double telescopic upright post 7 is hinged with a post cap 9, the middle part of the base 1 is movably connected with a connecting rod 11 connected with a shielding beam 10, the main rib of the part on the left side of the base 1 is welded with a double lug plate 20, the double lug plate 20 comprises two lug plates arranged at intervals, an arch-like single pressing plate 19 beneficial to the movement of the double telescopic upright post 7 is arranged between the two lug plates, the double telescopic upright posts 7 comprise two telescopic upright posts respectively positioned on the front side and the rear side of the base 1, the outer side of each telescopic upright post is fixedly provided with a stop block 18 with an arc-shaped upper surface, the upper surface of the stopper 18 is slidably connected to the lower surface of the single pressing plate 19.
Little post cap structure include with back timber bottom welded cross gusset 15, the bottom fixedly connected with saddle plate 16 of cross gusset 15, the bottom fixedly connected with post cap 9 of saddle plate 16, the length of cross gusset 15 left side back timber 8 is 2.45 with the length of cross gusset 15 right side back timber 8 than: 1; the top beam structure adopts little cap structural connection with two flexible stand 7, and this structural reliability is high, improves two flexible stand 7 and top beam 8 pin joint height simultaneously, and 7 outer cylinder diameters of two flexible stand do not get into in the top beam 8 when making the support minimum, reduce and occupy vertical space, through this structure, satisfy the internal diameter and be the requirement of arranging of two flexible stand 360mm internal diameters.
The middle part of base 1 is provided with electrohydraulic controller 2, and electrohydraulic controller 2 is located between connecting rod 11 and two flexible stands 7, and is close to connecting rod 11, and connecting rod 11 rotates with the right-hand member of shielding roof beam 10 to be connected, and electrohydraulic controller 2's model is BKZ0401.
The top beam 8, the shield beam 10 and the base 1 are respectively provided with a movable side guard plate at the front side and the rear side, and the front side and the rear side of the side guard plate 13 are also provided with side guard plates with lower height.
One end of a pushing jack 3 is rotatably connected with a push rod 4, the other end of the pushing jack 3 is rotatably connected with a base 1, the bottom surface of the push rod 4 is slidably connected with the base 1, the projection of a double-lug plate 20 is overlapped with a main rib of the base 1, the double-lug plate 20 is positioned right above a fixed seat 22, the inner cylinder diameter of the pushing jack 3 is 180mm, the outer cylinder diameter is 219mm, and the diameter of the connecting part of the pushing jack 3 and a first pin shaft 17 is 180mm; arrange the long push rod of flip-chip 4 in the middle of the base structure, the cylinder diameter is connected for 180mm flip-chip lapse jack 3 in adopting between push rod 4 and the base 1, the outer cylinder diameter of lapse jack 3 is 219mm, lapse jack 3 is connected through first round pin axle 17 and base 1 upper fixing base 22, lapse 3 connecting pin axle departments of jack width is 180mm, through this kind of structure, make the base intermediate distance be 320mm, effectual solved arrange in the cylinder diameter be 180mm flip-chip lapse jack problem for 180mm, through the structure, two flexible stand centre-to-centre spacings are 830mm, effectively solved arrange in the cylinder diameter for 360mm two flexible stand arrangement problems
The push rod 4 is positioned below the double telescopic upright posts 7, the left end of the top beam 8 is movably connected with a side protection plate 13, the lower part of the right end of the side protection plate 13 is connected with one end of a side protection jack 14, the other end of the side protection jack 14 is fixedly connected with the middle part of the left end of the top beam 8, and the cylinder diameter of the side protection jack 14 is 125mm.
The left end and the right end of the single pressing plate 19 are respectively provided with a group of double-lug plates 20 which are connected, each group of double-lug plates 20 is connected with the single pressing plate 19 through a second pin shaft 21, the front side and the rear side of each telescopic upright post are respectively and fixedly provided with a stop block 18, the front side and the rear side of each telescopic upright post are respectively provided with the single pressing plate 19 arranged in the left-right direction, each stop block 18 is in sliding connection with the corresponding single pressing plate 19, the width of the top beam 8 is 1450mm, the width of the base 1 is 1400mm, the width of the shield beam 10 is 1450mm, the center distance of the double telescopic upright posts 7 is 830mm, the distance between the two telescopic upright posts is not less than 320mm, the inner diameter of each telescopic upright post is 360mm, and the outer diameter of each telescopic upright post is 420mm; the base structure adopts external clamp plate to be connected with two flexible stands 7, two flexible stand 7 outside welding dog 18, welding double ear board 20 on the base 1 owner muscle, connect through second round pin axle 21 with single clamp plate 19 between two sets of double ear boards 20, dog 18 can slide on single clamp plate 19 according to the stand angular variation, the projection of double ear board 20 overlaps with base 1 owner muscle, reduce the horizontal occupation space of two flexible stands 1, through this structure, satisfy the requirement of arranging of two flexible stand 420mm external diameters.
The utility model discloses a hydraulic support makes whole working resistance reach 9000KN through above-mentioned structure, the centre-to-centre spacing is 1.5m, the biggest intensity of strutting is 1.34MPa, it is 4.0m to strut the height at utmost, satisfy the internal most mine transportation ability, the ore pressure that high support intensity can effectual control kilometer deep well coal seam exploitation shows, the security that the kilometer deep well exploitation has had great improvement, promote hydraulic support's adaptability on the whole, the safe high-efficient exploitation of working face has been realized combining, automatic operation, and great significance is achieved.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for limiting the same, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The mining hydraulic support with large burial depth, narrow center distance and large working resistance is characterized in that: the device comprises a top beam structure, a shield beam structure movably connected with the right end of the top beam structure, a base structure positioned below the top beam structure, and a connecting rod structure which is connected with the top beam structure and the base structure and positioned on the left side of the shield beam structure; the top beam structure comprises a top beam (8), the lower part of the top beam (8) is fixedly connected with a small column cap structure, the left end of the top beam (8) is fixedly connected with a side guard plate (13), the shield beam structure comprises a shield beam (10) of which the left end is rotatably connected with the right end of the top beam (8), the middle part of the shield beam (10) is provided with a support jack (12) rotatably connected with the right end of the top beam (8), one end of the support jack (12) is movably connected with the bottom of the shield beam (10), the other end of the support jack is connected with the right end of the top beam (8), the right end of the shield beam (10) is rotatably connected with a rear connecting rod through a pin shaft, the rear connecting rod is rotatably connected with a base structure through a pin shaft, the base structure comprises a base (1) positioned right below the top beam (8), a push rod (4) is arranged in the middle of the base (1), the right end of the push rod (4) is connected with the right end of a push jack (3), the first pin shaft (17) at the left end of the push jack (3) is connected with a fixed seat (22), the first pin shaft (17) is welded with the lifting base (6) at the left end of the lifting jack (6), the connecting rod structure includes two flexible stand columns (7), base (1) is located and passes jack (3) left end below department and is provided with two post nest (5) of being connected bottom two flexible stand columns (7), the top and the cap of the post (9) of two flexible stand columns (7) are articulated, the middle part swing joint of base (1) has connecting rod (11) of being connected with shield roof beam (10), the welding has two otic placodes (20) on base (1) the partial main muscle in the left side, and the otic placode (20) include the otic placode of two interval distance settings, are provided with the class bow-shaped form single clamp plate (19) that do benefit to two flexible stand column (7) activities between two otic placodes, and two flexible stand columns (7) include two flexible stand columns that are located both sides around base (1) respectively, and the equal fixed mounting in the outside of every flexible stand column has the upper surface to be curved dog (18), the upper surface of dog (18) and the lower surface sliding connection of single clamp plate (19).
2. The mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support according to claim 1, is characterized in that: the small column cap structure comprises a cross rib plate (15) welded to the bottom of the top beam, a saddle plate (16) fixedly connected to the bottom of the cross rib plate (15), a column cap (9) fixedly connected to the bottom of the saddle plate (16), and the ratio of the length of the top beam (8) on the left side of the cross rib plate (15) to the length of the top beam (8) on the right side of the cross rib plate (15) is 2.45:1.
3. the mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support according to claim 1, is characterized in that: the middle part of base (1) is provided with electrohydraulic controller (2), electrohydraulic controller (2) are located between connecting rod (11) and two flexible stand (7), and are close to connecting rod (11), connecting rod (11) are connected with the right-hand member rotation of shielding roof beam (10).
4. The mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support according to claim 1, is characterized in that: the top beam (8), the shield beam (10) and the base (1) are respectively provided with a movable side guard plate at the front side and the rear side.
5. The mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support according to claim 1, is characterized in that: pass jack (3) one end and rotate with push rod (4) and be connected, the other end rotates with base (1) and is connected, the bottom surface and base (1) sliding connection of push rod (4), the projection of two otic placodes (20) overlaps with the main muscle of base (1), two otic placodes (20) are located fixing base (22) directly over, the interior cylinder diameter of passing jack (3) is 180mm, and outer cylinder diameter is 219mm, and the diameter of passing jack (3) and first round pin axle (17) department of linking to each other is 180mm.
6. The mining shield-type hydraulic support with large burial depth, narrow center distance and large working resistance according to claim 1, characterized in that: the push rod (4) is located below the double telescopic columns (7), the left end of the top beam (8) is movably connected with a side protection plate (13), the lower portion of the right end of the side protection plate (13) is connected with one end of a side protection jack (14), and the other end of the side protection jack (14) is fixedly connected with the middle portion of the left end of the top beam (8).
7. The mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support according to claim 1, is characterized in that: the utility model discloses a telescopic upright post, including roof beam (8), top beam (8), two telescopic upright posts, single clamp plate (19), both ends respectively are provided with a set of both ears board (20) and connect about single clamp plate (19), and every both ends of every group both ears board (20) all are connected with single clamp plate (19) through a second round pin axle (21), and each fixed mounting in both sides has a dog (18) around every telescopic upright post, and every dog (18) all with single clamp plate (19) sliding connection who corresponds, the width of roof beam (8) is 1450mm, and the centre-to-centre spacing of two telescopic upright posts (7) is 830mm, and the distance between two telescopic upright posts is not less than 320mm, and telescopic upright post's internal diameter is 360mm, and the external diameter is 420mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221886381.4U CN217976273U (en) | 2022-07-22 | 2022-07-22 | Mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221886381.4U CN217976273U (en) | 2022-07-22 | 2022-07-22 | Mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support |
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| Publication Number | Publication Date |
|---|---|
| CN217976273U true CN217976273U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221886381.4U Active CN217976273U (en) | 2022-07-22 | 2022-07-22 | Mining large-burial-depth narrow-center-distance large-working-resistance shield type hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217976273U (en) |
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2022
- 2022-07-22 CN CN202221886381.4U patent/CN217976273U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230106 Address after: 467000 No. 21 miner Road, Henan, Pingdingshan Patentee after: PINGDINGSHAN TIANAN COAL MINING Co.,Ltd. Address before: 467000 Pingmei electromechanical equipment Industrial Park, east section of Ping'an Avenue, Weidong District, Pingdingshan City, Henan Province Patentee before: PINGMEI SHENMA MACHINERY EQUIPMENT GROUP HENAN MINING MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |