CN210599095U - Inverted double-telescopic tamping mechanism for waste filling hydraulic support - Google Patents
Inverted double-telescopic tamping mechanism for waste filling hydraulic support Download PDFInfo
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- CN210599095U CN210599095U CN201921146084.4U CN201921146084U CN210599095U CN 210599095 U CN210599095 U CN 210599095U CN 201921146084 U CN201921146084 U CN 201921146084U CN 210599095 U CN210599095 U CN 210599095U
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- hydraulic support
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- tamping mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010883 coal ash Substances 0.000 abstract description 5
- 239000010878 waste rock Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses an inverted double-telescopic tamping mechanism for a gangue filling hydraulic support, which is arranged at the rear part of the hydraulic support and hinged with a base of the hydraulic support; the double-telescopic-jack bucket excavator comprises a swing beam, a telescopic beam, double telescopic jacks and a bucket, wherein the movable column end of the double telescopic jacks is hinged with the front end of the swing beam, the bottom of a cylinder body of the double telescopic jacks is connected with the bucket through a flange, the telescopic beam is of a box body structure with openings at the front end and the rear end, the telescopic beam is sleeved on the periphery of the double telescopic jacks, the swing beam is sleeved on the periphery of the telescopic beam, a sliding pair in the length direction is formed between the swing beam and the telescopic beam, and a sliding pair in the length direction is formed between the telescopic beam and the cylinder body; the utility model relates to a box nested structure, swing beam and flexible roof beam adopt full open-end shelves structure, for leaking the waste rock and provide sufficient space, avoid debris such as coal ash and waste rock to leak into in the tamping mechanism.
Description
Technical Field
The utility model belongs to the mechanized coal face hydraulic support field is synthesized to the mine, especially relates to a two flexible tamping mechanisms of inversion formula for waste filling hydraulic support.
Background
In recent years, along with the increase of coal mining depth, the increase of the cost of relocation villages and the improvement of the technological level of filling technology, the coal mine filling mining technology has been developed vigorously and is also highly valued by broad scholars in the field of industry; at present, a backfill goaf mainly adopts two modes of paste filling and gangue filling; the waste filling hydraulic support mainly comprises a front top beam and a rear top beam which are arranged at the top of the support, and a waste filling tamping mechanism is hinged at the tail of the base; due to the extremely complex working environment under a mine, if the design of the filling mechanism is unreasonable, a large amount of impurities such as coal ash and gangue are accumulated in the filling and tamping mechanism, and further the filling and tamping mechanism has the problems of expansion and jamming, poor tamping, insufficient tamping and the like, so that the ground surface is sunken after filling.
In the prior art, chinese patent application 201420378904.3 discloses a coal mine gangue filling and tamping mechanism, which is characterized in that a main hinged support and an auxiliary hinged support are arranged at the rear part of a base of a filling support, wherein the main hinged support is connected with a double-telescopic tamping oil cylinder through a cross-shaped connecting piece, and the extending end of the tamping oil cylinder is connected with a tamping head; the auxiliary hinged support is connected with a side-push oil cylinder, and the extending end of the side-push oil cylinder is hinged on the first-stage cylinder body of the tamping oil cylinder; the upper surface of the first-stage cylinder body of the tamping oil cylinder is also provided with a hinged support, the hinged support is connected with a lifting oil cylinder, and the other end of the lifting oil cylinder is hinged on a tail beam of the filling support. When the tamping head works, the hydraulic pump station provides power, the reversing valve is pushed to enable emulsion to enter the bidirectional lock through the flow distributing and collecting valve and coordinate the work of each oil cylinder through the operation valve group, the pushing, lifting and lateral moving actions of the tamping head are realized, and therefore filling gangue at the end of the scraper conveyor is tamped, and mechanical filling of the end of the mine original gangue filling process is realized.
However, in the prior art, impurities such as coal ash and gangue are accumulated in the filling and tamping mechanism in the working process, so that the filling and tamping mechanism fails, the filling is not compact, and the ground surface is sunken after the filling.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to realize an inverted double-telescopic tamping mechanism for a waste filling hydraulic support, which mainly solves the technical problems in the prior art through the arranged inverted n-shaped box frame branch; the construction quality is ensured, and the ground collapse after filling is prevented.
The utility model provides a following technical scheme:
an inverted double-telescopic tamping mechanism for a waste filling hydraulic support comprises a swing beam, a telescopic beam, double telescopic jacks, a bucket, a flange and a guide sleeve; the double-telescopic-jack movable column end is connected with the front end of the swing beam, the bottom of the double-telescopic-jack cylinder body is connected with the bucket through a flange, the telescopic beam is of a front-and-back two-end opening type box body structure, the telescopic beam is sleeved on the periphery of the double-telescopic jack, the swing beam is sleeved on the periphery of the telescopic beam, the swing beam is connected with a sliding pair formed between the telescopic beams in the extending direction, and the telescopic beam is connected with a sliding pair formed between the double-telescopic jack in the length direction.
Preferably, the front end of the swing beam is positioned in the two box frame branches and is respectively provided with a jack hinge lug, and the bottom of a jack cylinder body is provided with a flange fixed with the bucket; the movable column end of the double telescopic jacks is hinged with the front end hinge lug of the swing beam.
Preferably, the swing beam is formed by welding steel plates, the telescopic beam is formed by welding steel plates, and the bucket is formed by welding steel plates.
Preferably, the gangue filling and tamping mechanism is arranged at the rear part of the hydraulic support and is hinged with the hydraulic support base.
Preferably, the swing beam is of a full-open-stop structure and is provided with two box body frame branches with n-shaped cross sections, openings of the two box body frames are arranged downwards, and the front ends and the rear ends of the two box body frame branches are connected through steel plates.
Preferably, the telescopic beam is of a full-open-stop structure and is provided with two box frame branches with n-shaped cross sections, the openings of the two box frames are arranged downwards, and the rear ends, close to the two box frame branches, are connected through a steel plate.
Preferably, the cylinder body of the double telescopic jacks is connected with the bucket through a flange; the n-shaped openings of the box body branches of the swing beam and the telescopic beam are both positioned on the lower side surface.
Preferably, the side surfaces of the n-shaped opening of the swing beam box body frame branches are respectively provided with a limiting guide strip in the two side plates, the distance between the inner side surfaces of the limiting guide strips is smaller than the width of the telescopic beam, and the telescopic beam is supported above the limiting guide strips and forms a sliding pair with the limiting guide strips along the length direction of the telescopic beam.
Preferably, the rear end of the telescopic beam is provided with a guide sleeve, the diameter of the guide sleeve is larger than the external dimension of the telescopic jack cylinder body, and a sliding pair along the length direction of the telescopic jack cylinder body and the telescopic beam is formed between the telescopic jack cylinder body and the telescopic beam.
Preferably, the two box frame branch's of flexible roof beam front end side all is equipped with the front end spacing piece, flexible roof beam both ends are equipped with the shrouding, and the quad slit has been seted up to the shrouding, and this quad slit is greater than the box frame branch's of flexible roof beam overall dimension, and this quad slit is less than the overall dimension of front end spacing piece.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to a two flexible tamping units of inversion formula for waste filling hydraulic support, waste filling tamping unit set to box nested structure, and the pendulum beam adopts full open-end shelves structure with flexible roof beam, and solitary jack top is wherein in each branch thereof to have sufficient space to leak the waste rock between the shelves, provide sufficient space for leaking the waste rock, avoid debris such as coal ash and waste rock to leak into in the tamping unit.
(2) The utility model relates to a two flexible tamping mechanisms of inversion formula for waste filling hydraulic support, two flexible jacks adopt the form of flip-chip, have improved the compaction dynamics of tamping mechanism, use two flexible jacks to increase the concertina ratio moreover, have enlarged the filling range, make its abundant tamping fill, still can appear sunken phenomenon after having avoided the tamping.
(3) The utility model relates to a two flexible tamping machines of inversion formula for waste filling hydraulic support sets up at the hydraulic support rear portion, adopts articulated mode, and the activity space is big, is convenient for promote and the compaction to the waste.
(4) The utility model relates to a two flexible tamping machines of inversion formula for waste filling hydraulic support, simple structure, adaptability is strong, can with different hydraulic support frame accordant connection, application scope is wide.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a plan view of the present invention in a contracted state.
Fig. 5 is a bottom view of the utility model in the contracted state.
Fig. 6 is a schematic view of the swing beam structure of the present invention.
Fig. 7 is a cross-sectional view of the swing beam of the present invention taken along the line a-a.
Fig. 8 is a longitudinal B-B sectional view of the swing beam of the present invention.
Fig. 9 is a schematic view of the structure of the telescopic beam of the present invention.
Fig. 10 is a longitudinal a-a sectional view of the swing beam of the present invention.
In the figure: 1. swinging the beam; 2. a telescopic beam; 3. a double telescopic jack; 4. a bucket; 5. A flange; 6. a guide sleeve; 7. limiting the guide strips; 8. a front end limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention; it is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-10, an inverted double-telescopic tamping mechanism for a gangue filling hydraulic support comprises a swing beam 1, a telescopic beam 2, a double-telescopic jack 3, a bucket 4, a flange 5 and a guide sleeve 6; 3 post ends of living of two telescopic jack with swing beam 1's front end is connected and is connect, 3 cylinder body bottom of two telescopic jack with connect through flange 5 between the scraper bowl 4, flexible roof beam 2 is front and back both ends open type box structure, flexible roof beam 2 cover is established the periphery of two telescopic jack 3, swing beam 1 cover is established the periphery of flexible roof beam 2, swing beam 1 with constitute between the flexible roof beam 2 along its ascending sliding pair of extension direction, flexible roof beam 2 with constitute between the two telescopic jack 3 along its ascending sliding pair of length direction.
Through the technical scheme, the gangue filling and tamping mechanism is designed into a box type structure, the double-telescopic jack 3 with a large telescopic ratio is arranged in the box type structure, and a sufficient gangue leakage space is formed, so that impurities such as coal ash and gangue can be effectively prevented from leaking into the tamping mechanism, and the normal operation of the tamping mechanism is guaranteed; in addition, the large-expansion-ratio jack and the inverted installation mode are adopted, so that the filling range can be enlarged, the tamping capacity can be increased, the tamping can be fully tamped and filled, and the phenomenon of sinking after the tamping is carried out in the past is further avoided.
The front end of the swing beam 1 is positioned in two box frame branches and is respectively provided with a jack hinge lug, and the bottom of a jack cylinder body is provided with a flange 5 fixed with the bucket 4; the movable column end of the double telescopic jacks 3 is hinged with the front end hinge lug of the swing beam 1.
The swing beam 1 is formed by welding steel plates, the telescopic beam 2 is formed by welding steel plates, and the bucket 4 is formed by welding steel plates.
The gangue filling and tamping mechanism is arranged at the rear part of the hydraulic support and is hinged with the base of the hydraulic support.
The swing beam 1 is of a full-open-stop structure and is provided with two box body frame branches with n-shaped cross sections, openings of the two box body frames are arranged downwards, and the front ends and the rear ends of the two box body frame branches are connected through steel plates.
The telescopic beam 2 is of a full-open structure and is provided with two box body frame branches with n-shaped cross sections, the openings of the two box body frames are arranged downwards, and the rear ends, close to the two box body frame branches, are connected through a steel plate.
The cylinder body of the double telescopic jacks 3 is connected with a bucket 4 through a flange 5; the n-shaped openings of the box body branches of the swing beam 1 and the telescopic beam 2 are positioned on the lower side surfaces.
The swing beam 1 is characterized in that limiting guide strips 7 are arranged on the side faces of n-shaped openings of box body frame branches of the swing beam 1 and positioned in two side plates of the box body frame, the distance between the inner side faces of the limiting guide strips 7 is smaller than the width of the telescopic beam 2, and the telescopic beam 2 is supported above the limiting guide strips 7 and forms a sliding pair with the limiting guide strips 7 along the length direction of the telescopic beam.
The rear end of the telescopic beam 2 is provided with a guide sleeve 6, the diameter size of the guide sleeve 6 is larger than the external size of the telescopic jack cylinder body, and a sliding pair along the length direction of the telescopic jack cylinder body and the telescopic beam 2 is formed between the telescopic jack cylinder body and the telescopic beam.
The side surfaces of the front ends of two box frame branches at the front end of the telescopic beam 2 are respectively provided with a front end limiting block 8, the two ends of the telescopic beam 2 are provided with a sealing plate, the sealing plates are provided with a square hole, the square hole is larger than the outline dimension of the box frame branches of the telescopic beam 2, and the square hole is smaller than the outline dimension of the front end limiting block 8; therefore, the telescopic beam 2 can slide conveniently, and can be limited by the front limiting block 8. The telescopic beam 2 contains the telescopic jack and plays a role in guiding and protecting the jack.
The working principle is as follows: in the construction work, the gangue filling and tamping mechanism is arranged at the rear part of the hydraulic support and is hinged with the base of the hydraulic support; the angle and the height of the guide mechanism can be adjusted through the swing beam 1, so that the range for pushing the gangue is wider; the filled gangue is pushed and compacted by a bucket 4 connected with the front ends of the double telescopic jacks 3; and the double compression jacks are installed in an inverted mode, so that the filling range can be enlarged, the tamping capacity can be increased, and the gangue is filled more firmly, thereby achieving a good construction effect and enhancing the stability of the mantle after the gangue is filled.
The device obtained by the technical scheme is an inverted double-telescopic tamping mechanism for a gangue filling hydraulic support, and the technical problem in the prior art is mainly solved by the arranged inverted n-shaped box frame branch; the construction quality is ensured, and the ground collapse after filling is prevented.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An inverted double-telescopic tamping mechanism for a waste filling hydraulic support comprises a swing beam (1), a telescopic beam (2), a double-telescopic jack (3), a bucket (4), a flange (5) and a guide sleeve (6); the double-telescopic-column-type bucket elevator is characterized in that the movable column end of the double telescopic jacks (3) is connected with the front end of the swing beam (1), the bottom of a cylinder body of the double telescopic jacks (3) is connected with the bucket (4) through a flange (5), the telescopic beam (2) is of a front-back two-end opening type box structure, the periphery of the double telescopic jacks (3) is sleeved with the telescopic beam (2), the periphery of the telescopic beam (2) is sleeved with the swing beam (1), a sliding pair in the extending direction is formed between the swing beam (1) and the telescopic beam (2), and a sliding pair in the length direction is formed between the telescopic beam (2) and the double telescopic jacks (3).
2. The inverted double-telescopic tamping mechanism for the gangue-filling hydraulic support according to claim 1, wherein the swing beam (1) is of a full-open structure and has two box frame branches with n-shaped cross sections, openings of the two box frames are arranged downwards, and front ends and rear ends of the two box frame branches are connected through a steel plate.
3. The inverted double-telescopic tamping mechanism for the gangue-filling hydraulic support according to claim 1, wherein the telescopic beam (2) is of a full-open structure and has two box frame branches with n-shaped cross sections, the two box frame branches are arranged with openings facing downwards, and the rear ends of the two box frame branches are connected through a steel plate.
4. The inverted double-telescopic tamping mechanism for gangue filling hydraulic support according to claim 1, characterized in that the cylinder of the double-telescopic jack (3) is connected with the bucket (4) through a flange (5); the n-shaped openings of the box body branches of the swing beam (1) and the telescopic beam (2) are positioned on the lower side surface.
5. The inverted double-telescopic tamping mechanism for the gangue filling hydraulic support according to claim 1, wherein limiting guide strips (7) are arranged on the side surfaces of n-shaped openings of the box body frame branches of the swing beam (1) and positioned in two side plates of the box body frame, the distance between the inner side surfaces of the limiting guide strips (7) is smaller than the width of the telescopic beam (2), and the telescopic beam (2) is supported above the limiting guide strips (7) and forms a sliding pair with the limiting guide strips (7) along the length direction of the telescopic beam.
6. The inverted double-telescopic tamping mechanism for the gangue-filling hydraulic support according to claim 1, wherein a guide sleeve (6) is arranged at the rear end of the telescopic beam (2), the diameter of the guide sleeve (6) is larger than the external dimension of a telescopic jack (3) cylinder body, and a sliding pair is formed between the telescopic jack (3) cylinder body and the telescopic beam (2) along the length direction of the telescopic jack.
7. The inverted double-telescopic tamping mechanism for the gangue-filling hydraulic support according to claim 1, wherein the front end side surfaces of the two box frame branches at the front end of the telescopic beam (2) are respectively provided with a front end limiting block (8), the two ends of the telescopic beam (2) are respectively provided with a sealing plate, the sealing plates are provided with square holes, and the square holes are larger than the external dimensions of the box frame branches of the telescopic beam (2) and smaller than the external dimensions of the front end limiting blocks (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146084.4U CN210599095U (en) | 2019-07-22 | 2019-07-22 | Inverted double-telescopic tamping mechanism for waste filling hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146084.4U CN210599095U (en) | 2019-07-22 | 2019-07-22 | Inverted double-telescopic tamping mechanism for waste filling hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599095U true CN210599095U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921146084.4U Expired - Fee Related CN210599095U (en) | 2019-07-22 | 2019-07-22 | Inverted double-telescopic tamping mechanism for waste filling hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599095U (en) |
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2019
- 2019-07-22 CN CN201921146084.4U patent/CN210599095U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |