CN217950429U - Hydraulic support base body with narrow center distance and large working resistance - Google Patents
Hydraulic support base body with narrow center distance and large working resistance Download PDFInfo
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- CN217950429U CN217950429U CN202222109244.6U CN202222109244U CN217950429U CN 217950429 U CN217950429 U CN 217950429U CN 202222109244 U CN202222109244 U CN 202222109244U CN 217950429 U CN217950429 U CN 217950429U
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- upright post
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- hydraulic support
- working resistance
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Abstract
The utility model discloses a hydraulic support base body with narrow center distance and large working resistance, which comprises a base fixed with a mining transport vehicle, wherein the left end of the base is provided with two stand columns, the front and back spacing distances of the two stand columns are arranged, and a column nest is connected to the upper surface of the base; ear plate structures for limiting the vertical movement of the upright post are arranged on the front side and the rear side of the upright post, and limiting rib plates for limiting the rotation of the upright post are vertically arranged on the left side and the right side of the upright post; a hanging ring is arranged between the two end pedals, and a transverse shaft arranged along the front and back directions of the base is sleeved in the hanging ring; the bottom adjusting device is arranged inwards on the lower side of the middle of the base and comprises two sleeves which are arranged symmetrically along the front and back directions of the base at intervals, a bottom adjusting plug is arranged in one sleeve, and a bottom adjusting jack is arranged in the other sleeve. The utility model discloses the structural design of the base body satisfies the vast majority of internal mine transportation ability, can make the hydraulic support of the narrow centre-to-centre spacing of 1.5m possess big working resistance and high support intensity.
Description
Technical Field
The utility model relates to a mining hydraulic support designs technical field, concretely relates to big working resistance hydraulic support base body of narrow centre-to-centre spacing.
Background
Along with the increase of the coal mining depth to more than kilometers and the aggravation of roof pressure, the supporting strength of a 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 have a center distance of 1.75 meters, and due to the fact that some special mines are built earlier and are limited in transportation capacity and conditions, a traditional support 1.75 meters wide cannot meet the transportation requirements of partial mines, safety and high-efficiency mining are not facilitated, and for the current situation, the development of a base body of the hydraulic support with a narrow center distance of 1.5m and large working resistance is particularly important; but the working resistance and the supporting strength of the existing hydraulic support with the center distance of 1.5m are not greatly improved, on the basis of the existing materials, the larger working resistance means a larger cylinder diameter, on the current market, the working resistance of the support with the center distance of 1.5m is about 8000KN at most, on the basis of the existing base structural arrangement, the cylinder diameter of the upright post is maximized, and therefore a new base body structure of the hydraulic support is required to be designed to improve the working resistance of the support to 9000KN.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the defects in the prior art are overcome, the base body of the hydraulic support with the narrow center distance and the large working resistance is provided, and the hydraulic support with the narrow center distance of 1.5m can have 9000KN of large working resistance and high supporting strength.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic support base body with a narrow center distance and large working resistance comprises a base fixed with a mining transport vehicle, wherein the left end of the base is provided with two stand columns, the two stand columns are arranged at a front-back spacing distance, and a column nest is connected to the upper surface of the base; ear plate structures for limiting the vertical movement of the stand columns are arranged on the front side and the rear side of each stand column, limiting rib plates for limiting the rotation of the stand columns are vertically arranged on the left side and the right side of each stand column, and a bottom lifting device is arranged at the position, between the two stand columns, of the left end of the base; the left end of the base is provided with a push rod device, the push rod device comprises a connector arranged in the middle of the left end of the base, the connector is connected with one end of an inverted pushing jack, the other end of the pushing jack is connected with the base through a pin shaft, and the pushing jack is positioned between the two stand columns; two end pedals are arranged at the left end of the base at intervals, a lifting ring is arranged between the two end pedals, a transverse shaft arranged along the front and rear directions of the base is sleeved in the lifting ring, and bolt structures used for connecting the mining transport vehicle are arranged on the front side and the rear side of the base; the bottom adjusting device is arranged inwards on the lower side of the middle of the base and comprises two sleeves which are arranged symmetrically along the front and back directions of the base at intervals, a bottom adjusting plug is arranged in one sleeve, and a bottom adjusting jack is arranged in the other sleeve.
Furthermore, the ear plate structure comprises ear seats which are positioned at the front side and the rear side of the upright post and fixedly connected with the base, a group of ear seats are respectively fixed at the front side and the rear side of one upright post, two ear seats are arranged in one group, the ear seats are of a plate-shaped structure protruding out of the base, two ear seats in the same group are respectively positioned at the left end and the right end of the same side of one upright post, one ear seat and one ear plate which are arranged in the front and the rear are fixedly connected through a pin shaft, a gap is reserved between the ear seats, and the number of the ear plates is the same as that of the ear seats; the ear plate and the ear seat which are connected with each other are simultaneously connected with the arc-shaped upright post pressing plate, the front side and the rear side of an upright post are respectively provided with an upright post pressing plate, and the upright post pressing plate is positioned between the ear plate and the ear seat which are connected with each other.
Furthermore, one side of the upright column close to the ear plate is provided with a stop dog with an arc-shaped upper surface, the stop dog is positioned below the upright column pressing plate, and the stop dog is in sliding connection with the lower surface of the upright column pressing plate when the upright column is started.
Furthermore, the pushing jack is arranged along the left and right direction of the base.
Furthermore, two limiting rib plates are arranged, are spaced at intervals from front to back and are arranged on the left side of the upright post and correspond to the middle of the upright post; the bolt structure selects a high-strength bolt with the specification of M24.
Furthermore, the diameter of the transverse shaft is 35 mm-45 mm, the length of the transverse shaft is 650 mm-750 mm, and the front end and the rear end of the transverse shaft are respectively erected on the upper surfaces of the two end pedals.
Furthermore, the bottom lifting device comprises a top frame, the front end and the rear end of the top frame are respectively connected with the two groups of ear plates at the left end between the two stand columns through pin shafts, the bottom of the top frame is connected with the top of the bottom lifting jack, and the bottom of the bottom lifting jack is connected with the base; the right end of the base is provided with a pedal.
The utility model has the advantages that: through setting up the stand, otic placode structure and spacing gusset, column mouting is in base 1, when the stand along base post nest centre of sphere horizontal hunting, the reciprocating of stand can effectively be restricted to the stand clamp plate, the rotation of stand can effectively be restricted to the spacing gusset of base, this structure constitutes the spacing exclusive structure of narrow centre-to-centre spacing big working resistance hydraulic support base body stand, lift end device setting between two stands, and with stand sharing otic placode, make the base body structure compacter, the structural design of this base body satisfies domestic most mine transportation ability, under the condition of 1.5m centre-to-centre spacing, enable hydraulic support to reach 9000 KN's working resistance and 1.34 Mpa's supporting strength, can the effective control kilometer coal seam exploitation's the ore pressure show, promote hydraulic support's adaptability on the whole, to realizing to combine the high-efficient exploitation safety of working face, automated operation, have important meaning.
Drawings
FIG. 1 is a schematic view of the overall structure of the base body of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a side view schematic structure diagram of the present invention;
fig. 5 is a schematic view of the stopper structure of the present invention.
In the figure, 1, a base; 2. a pedal; 3. a column pressing plate; 4. a bottom lifting device; 5. a push rod device; 6. pushing a jack; 7. a bottom adjustment device; 8. a column; 9. an end foot board; 10. a hoisting ring; 11. a horizontal axis; 12. lifting a bottom jack; 13. a top frame; 14. a connector; 15. a bottom adjusting jack; 16. bottom adjusting and blocking; 17. a limiting rib plate; 18. a stopper; 19. an ear mount; 20. an ear plate.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
Example (b):
as shown in figures 1-5, a narrow center distance and large working resistance hydraulic support base body comprises a base 1 fixed with a mining transport vehicle, wherein the left end of the base 1 is provided with two stand columns 8, the front and back spacing distances of the two stand columns 8 are set, and a column nest is connected to the upper surface of the base 1, the width of the base 1 is 1450mm, the stand columns are arranged on the base 1 through the stand columns, lug plate structures and limiting rib plates, the stand columns are arranged on the base 1, when the stand columns swing left and right along the sphere center of the column nest of the base, the stand column pressing plates can effectively limit the vertical movement of the stand columns, the limiting rib plates of the base can effectively limit the rotation of the stand columns, and the structure forms a unique stand column limiting structure of the narrow center distance and large working resistance hydraulic support base body.
The front side and the rear side of the upright post 8 are provided with ear plate structures for limiting the upright post to move up and down, the left side of the upright post 8 is vertically fixed with two limiting rib plates 17 for limiting the upright post to rotate, and the front-rear spacing distance is arranged on the left side of the upright post 8 and corresponds to the middle part of the upright post 8; the ear plate structure comprises ear seats 19 which are positioned at the front side and the rear side of the upright post 8 and fixedly connected with the base 1, a group of ear seats 19 is respectively fixed at the front side and the rear side of one upright post 8, two ear seats 19 are arranged in one group, and the ear seats 19 are of plate-shaped structures protruding out of the base 1 and are arranged in front of and behind the ear plate 20; two of the ear seats 19 in the same group are respectively positioned at the left end and the right end of the same side of the upright post 8, one ear plate 20 is fixedly connected with one ear seat 19 through a pin shaft, the mutually connected ear plate 20 and one ear seat 19 form a group of fixed structures, the two ear plates 20 form a group, the number of the ear plates 20 is the same as that of the ear seats 19, and the two ear plates 20 in the same group are respectively positioned at the left side and the right side of the upright post 8; the upright post pressing plate 3 stretches across the left end and the right end of the upright post 8, the left end and the right end of the upright post pressing plate 3 are respectively connected with a group of fixed structures, an ear plate 20 and an ear seat 19 in the same group of fixed structures are simultaneously connected with one end of the arc-shaped upright post pressing plate 3 through a pin shaft, and the upright post pressing plate 3 is positioned between one ear plate 20 and one ear seat 19 which are mutually connected; one side of the upright post 8 close to the ear plate 20 is provided with a stop block 18 with an arc-shaped upper surface, the friction of the arc-shaped surface is reduced, the stop block 18 is positioned below the upright post pressure plate 3, when the upright post 8 is started, the stop block 18 is in sliding connection with the lower surface of the upright post pressure plate 3, and the stop block and the upright post pressure plate block the upright post 8 from moving upwards together.
The left end of base 1 is provided with pusher 5, and pusher 5 is including setting up connector 14 at base 1 left end middle part, and connector 14 is located rings 10 below, and connector 14 is connected with the one end of the lapse jack 6 of flip-chip, and the other end of lapse jack 6 is connected with base 1 through the round pin axle, and lapse jack 6 is located between two stands 8, and lapse jack 6 sets up along the left and right sides direction of base 1.
Two end pedals 9 are arranged at the left end of the base 1 at intervals, a hanging ring 10 is arranged between the two end pedals 9, a transverse shaft 11 arranged along the front and back directions of the base 1 is sleeved in the hanging ring 10, the diameter of the transverse shaft 11 is 40mm, the length of the transverse shaft is 700mm, the front end and the back end of the transverse shaft 11 are respectively erected on the upper surfaces of the two end pedals 9, bolt structures used for connecting a mining transport vehicle are arranged on the front side and the back side of the base 1, high-strength bolts with the specification of M24 are selected as the bolt structures, the bolt structures are arranged at four positions, the front side and the back side of the base are respectively provided with two parts, and the interval distances of the same sides are distributed at the left end and the right end; the lifting ring 10 and the transverse shaft 11 are used for assisting transportation, and the hydraulic jack needs to be firstly transported to a working place in a coal mine by a mining transport vehicle.
A bottom adjusting device 7 is arranged inwards at the lower side of the middle part of the base 1, the bottom adjusting device 7 comprises two sleeves which are arranged symmetrically at intervals in the front-back direction of the base 1, a bottom adjusting plug 16 is arranged in the rear sleeve according to different directions of a working surface, a bottom adjusting jack 15 is arranged in the front sleeve, and the two sleeves are arranged at intervals; the left end of the base 1 is positioned between the two upright posts 8 and is provided with a bottom lifting device 4, the bottom lifting device 4 comprises a top frame 13, the front end and the rear end of the top frame 13 are respectively connected with two groups of ear plates 20 at the left end between the two upright posts 8 through pin shafts, namely, one end of the top frame 13 is fixedly connected with one group of ear plates 20, the bottom lifting device 4 and the upright post pressing plate 3 share 2 ear plates, the bottom of the top frame 13 is connected with the top of a bottom lifting jack 12, and the bottom of the bottom lifting jack 12 is connected with the base 1; the right end of the base 1 is provided with a pedal 2, the pedal 2 is erected on the base along the front-back direction of the base 1, and the pedal 2 is connected with the base through a pin shaft to provide a reliable pedestrian passage for the support; lift end device setting between two stands, and with stand sharing otic placode, make the base body structure compacter, this base body satisfies domestic most mine transport capacity, under the condition of 1.5m centre-to-centre spacing, enable hydraulic support to reach 9000 KN's working resistance and 1.34 Mpa's support intensity, the mine pressure that can effectual control kilometer deep well coal seam exploitation shows, promote hydraulic support's adaptability on the whole, to realizing to combine to adopt the safe high-efficient exploitation of working face, automatic operation, important meaning has.
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 utility model provides a big working resistance hydraulic support base body of narrow centre-to-centre spacing which characterized in that: the mining transport vehicle comprises a base (1) fixed with the mining transport vehicle, wherein two upright columns (8) are arranged at the left end of the base (1), the two upright columns (8) are arranged at intervals from front to back, and a column nest is connected to the upper surface of the base (1); ear plate structures for limiting the vertical movement of the upright columns are arranged on the front side and the rear side of each upright column (8), limiting rib plates (17) for limiting the rotation of the upright columns are vertically arranged on the left side and the right side of each upright column (8), and a bottom lifting device (4) is arranged at the position, between the two upright columns (8), of the left end of the base (1); the left end of the base (1) is provided with a push rod device (5), the push rod device (5) comprises a connector (14) arranged in the middle of the left end of the base (1), the connector (14) is connected with one end of an inverted pushing jack (6), the other end of the pushing jack (6) is connected with the base (1) through a pin shaft, and the pushing jack (6) is located between two stand columns (8); two end pedals (9) are arranged at the left end of the base (1) at intervals, a lifting ring (10) is arranged between the two end pedals (9), a transverse shaft (11) arranged along the front and back directions of the base (1) is sleeved in the lifting ring (10), and bolt structures used for connecting the mining transport vehicle are arranged on the front side and the back side of the base (1); the bottom adjusting device (7) is inwards arranged on the lower side of the middle of the base (1), the bottom adjusting device (7) comprises two sleeves which are arranged at intervals in the front-back direction of the base (1) and symmetrically, a bottom adjusting plug (16) is arranged in one sleeve, and a bottom adjusting jack (15) is arranged in the other sleeve.
2. The hydraulic support base body with narrow center distance and large working resistance as claimed in claim 1, wherein: the ear plate structure comprises ear seats (19) which are positioned on the front side and the rear side of the upright post (8) and fixedly connected with the base (1), a group of ear seats (19) are respectively fixed on the front side and the rear side of one upright post (8), two ear seats (19) are arranged in one group, the ear seats (19) are of a plate-shaped structure protruding out of the base (1), two ear seats (19) in the same group are respectively positioned at the left end and the right end of the same side of one upright post (8), one ear seat (19) arranged in the front and the rear are fixedly connected with one ear plate (20) through a pin shaft, a gap is reserved between the ear seats, and the number of the ear plates (20) is the same as that of the ear seats (19); the ear plate (20) and the ear seat (19) which are connected with each other are simultaneously connected with the arc-shaped upright post pressing plate (3), the front side and the rear side of an upright post (8) are respectively provided with the upright post pressing plate (3), and the upright post pressing plate (3) is positioned between the ear plate (20) and the ear seat (19) which are connected with each other.
3. The hydraulic support base body with narrow center distance and large working resistance as claimed in claim 2, wherein: one side of the upright post (8) close to the ear plate (20) is provided with a stop block (18) with an arc-shaped upper surface, the stop block (18) is positioned below the upright post pressure plate (3), and the stop block (18) is in sliding connection with the lower surface of the upright post pressure plate (3) when the upright post (8) is started.
4. The hydraulic support base body with narrow center distance and large working resistance as claimed in claim 1, characterized in that: the pushing jack (6) is arranged along the left and right direction of the base (1).
5. The hydraulic support base body with narrow center distance and large working resistance as claimed in claim 1, wherein: the two limiting rib plates (17) are arranged at the left side of the upright post (8) at a distance from the front to the back and correspond to the middle part of the upright post (8); the bolt structure selects a high-strength bolt with the specification of M24.
6. The hydraulic support base body with narrow center distance and large working resistance as claimed in claim 1, characterized in that: the diameter of the transverse shaft (11) is 35 mm-45 mm, the length of the transverse shaft is 650 mm-750 mm, and the front end and the rear end of the transverse shaft (11) are respectively erected on the upper surfaces of the two end pedals (9).
7. The hydraulic support base body with narrow center distance and large working resistance as claimed in claim 3, wherein: the bottom lifting device (4) comprises a top frame (13), the front end and the rear end of the top frame (13) are respectively connected with two groups of lug plates (20) at the left end between the two upright posts (8) through pin shafts, the bottom of the top frame (13) is connected with the top of a bottom lifting jack (12), and the bottom of the bottom lifting jack (12) is connected with the base (1); the right end of the base (1) is provided with a pedal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222109244.6U CN217950429U (en) | 2022-08-11 | 2022-08-11 | Hydraulic support base body with narrow center distance and large working resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222109244.6U CN217950429U (en) | 2022-08-11 | 2022-08-11 | Hydraulic support base body with narrow center distance and large working resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217950429U true CN217950429U (en) | 2022-12-02 |
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ID=84227320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222109244.6U Active CN217950429U (en) | 2022-08-11 | 2022-08-11 | Hydraulic support base body with narrow center distance and large working resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217950429U (en) |
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2022
- 2022-08-11 CN CN202222109244.6U patent/CN217950429U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230109 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 |