CN212671776U - Coal baffle of coal mining machine - Google Patents
Coal baffle of coal mining machine Download PDFInfo
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- CN212671776U CN212671776U CN202021549788.9U CN202021549788U CN212671776U CN 212671776 U CN212671776 U CN 212671776U CN 202021549788 U CN202021549788 U CN 202021549788U CN 212671776 U CN212671776 U CN 212671776U
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- fixing bolt
- arc plate
- coal
- connecting rod
- screwed
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Abstract
The utility model relates to a coal baffle plate of a coal mining machine, which belongs to the technical field of coal mining, wherein the middle of the upper part of a mounting ring is provided with a first threaded hole, and a first fixing bolt is screwed in the first threaded hole; the first fixing bolt is screwed and penetrated in the metal connecting sheet through a bearing; the left inner ring wall and the right inner ring wall of the mounting ring are both provided with a first sliding groove; the inner threaded pipe is arranged in the first sliding chute in a sliding manner, and a second rubber pad is fixed at the closed end of the inner threaded pipe; a screw is screwed in the internal thread tube and fixed with the metal connecting sheet; the left lower ends of the front side wall and the rear side wall of the mounting ring are both connected with a first connecting rod through a shaft and a bearing in a rotating mode, and the right lower ends of the front side wall and the rear side wall of the mounting ring are both connected with a second connecting rod through a shaft and a bearing in a rotating mode; the coal mining machine can be fixed from a plurality of points according to the caliber of the coal mining machine, so that the coal baffle plate and the coal mining machine are fixed more tightly; the operation is convenient and simple, and the practicability is improved.
Description
Technical Field
The utility model relates to a coal mining technology field, concretely relates to coal-winning machine's fender coal board.
Background
When a coal mining machine is used for underground coal mining operation, a coal baffle plate is usually required to be additionally arranged on the coal mining machine so as to prevent coal leakage during coal mining, the conventional coal baffle plate is not firm enough when being fixed and cannot adapt to coal mining machines with different calibers, and the operation during adjusting the length of the coal baffle plate is not simple enough, so that the coal baffle plate of the coal mining machine is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coal baffle plate of a coal mining machine aiming at the defects and shortcomings of the prior art, which can fix the coal mining machine from a plurality of points according to the caliber of the coal mining machine, thereby leading the coal baffle plate and the coal mining machine to be fixed more closely; the operation is convenient and simple, and the practicability is improved.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a mounting ring, a first fixing bolt, a metal connecting sheet, an internal threaded pipe, a second rubber pad, a screw, a first connecting rod, a second connecting rod, a first arc plate, a second arc plate and a second fixing bolt; a first threaded hole is formed in the middle of the upper part of the mounting ring, and a first fixing bolt is screwed in the first threaded hole; the first fixing bolt is screwed and penetrated in the metal connecting sheet through a bearing; the left inner ring wall and the right inner ring wall of the mounting ring are both provided with a first sliding groove; the inner threaded pipe is arranged in the first sliding chute in a sliding manner, and a second rubber pad is fixed at the closed end of the inner threaded pipe; a screw is screwed in the internal thread tube and fixed with the metal connecting sheet;
the left lower ends of the front side wall and the rear side wall of the mounting ring are both connected with a first connecting rod through a shaft and a bearing in a rotating mode, and the right lower ends of the front side wall and the rear side wall of the mounting ring are both connected with a second connecting rod through a shaft and a bearing in a rotating mode; the lower ends of the front and rear first connecting rods are respectively screwed on the front and rear side walls on the left side of the first arc plate through a shaft and a bearing; a second sliding groove is formed in the first arc plate, and the second arc plate is slidably arranged in the second sliding groove; the lower ends of the front and rear second connecting rods are respectively screwed on the front and rear side walls on the right side of the second arc plate through a shaft and a bearing; a second threaded hole is formed in the middle of the upper surface of the first arc plate and penetrates through the second sliding groove; after the second fixing bolt is screwed through the second threaded hole, the inner end of the second fixing bolt is abutted against the second arc plate; the upper end and the lower extreme of a connecting rod and No. two connecting rods all flush the setting, and the length of a connecting rod and No. two connecting rods equals.
Furthermore, the upper end of the first fixing bolt is fixed with a hand screw.
Furthermore, the lower end of the first fixing bolt is fixed with a first rubber pad.
Furthermore, the upper part and the lower part of the right end of the first arc plate are both provided with a third threaded hole; after the second arc plate passes through the sponge layer, the sponge layer is propped against the right end of the first arc plate; through holes are formed in the upper end and the lower end of the sponge layer, and the third fixing bolt penetrates through the through holes and then is connected with the third fixing bolt in a screwing mode.
After the structure is adopted, the utility model discloses beneficial effect does: the coal baffle plate of the coal mining machine can fix the coal mining machine from a plurality of points according to the caliber of the coal mining machine, so that the coal baffle plate and the coal mining machine are fixed more tightly; the operation is convenient and simple, and the practicability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is an enlarged view of a portion C in fig. 3.
Fig. 6 is an enlarged view of a portion D in fig. 3.
Description of reference numerals:
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the novel metal connecting piece comprises a mounting ring 1, a first fixing bolt 3, a hand screw 4, a first rubber pad 5, a metal connecting piece 6, an internal threaded pipe 8, a second rubber pad 9, a screw rod 10, a first connecting rod 11, a second connecting rod 12, a first arc plate 13, a second arc plate 15, a second threaded hole 16, a second fixing bolt 17, a sponge layer 19 and a third fixing bolt 21; a first threaded hole 2 is formed in the middle of the upper portion of the mounting ring 1, and a first fixing bolt 3 is screwed in the first threaded hole 2; the upper end of the first fixing bolt 3 is fixedly welded with a hand screw 4; a first rubber pad 5 is fixed at the lower end of the first fixing bolt 3 through glue; the first fixing bolt 3 is screwed and penetrated in the metal connecting sheet 6 through a bearing; the left inner ring wall and the right inner ring wall of the mounting ring 1 are both provided with a first sliding groove 7; the inner threaded pipe 8 is arranged in the first sliding groove 7 in a sliding mode, and a second rubber pad 9 is fixedly adhered to the closed end of the inner threaded pipe 8 through glue; a screw rod 10 is screwed in the internal thread tube 8, and the screw rod 10 is welded and fixed with the metal connecting sheet 6;
the left lower ends of the front side wall and the rear side wall of the mounting ring 1 are both rotatably connected with a first connecting rod 11 through a shaft and a bearing, and the right lower ends of the front side wall and the rear side wall of the mounting ring 1 are both rotatably connected with a second connecting rod 12 through a shaft and a bearing; the lower ends of the front and rear first connecting rods 11 are respectively screwed on the front and rear side walls on the left side of the first arc plate 13 through a shaft and a bearing; a second sliding groove 14 is formed in the first arc plate 13, and a second arc plate 15 is slidably arranged in the second sliding groove 14; the lower ends of the front and rear second connecting rods 12 are respectively screwed on the front and rear side walls on the right side of the second arc plate 15 through a shaft and a bearing; a second threaded hole 16 is formed in the middle of the upper surface of the first arc plate 13, and the second threaded hole 16 is arranged in a penetrating manner with the second sliding groove 14; a second fixing bolt 17 is screwed through the second threaded hole 16, and the inner end of the second fixing bolt is abutted against the second arc plate 15; the upper ends and the lower ends of the first connecting rod 11 and the second connecting rod 12 are arranged in a flush mode, and the lengths of the first connecting rod 11 and the second connecting rod 12 are equal;
the upper part and the lower part of the right end of the first arc plate 13 are both provided with a third threaded hole 18; after the second arc plate 15 penetrates through the sponge layer 19, the sponge layer 19 is abutted against the right end of the first arc plate 13; through holes 20 are formed in the upper end and the lower end of the sponge layer 19, and a third fixing bolt 21 penetrates through the through holes 20 and then is connected with the third fixing bolt 21 in a screwing mode.
The working principle of the specific embodiment is as follows: when the mounting ring is used, the mounting ring 1 is sleeved on a coal mining machine, a first fixing bolt 3 is screwed by using a hand screw 4 during sleeving, and the internal threaded pipe 8 is rotated according to the caliber of the coal mining machine, so that the screw 10 is tightly propped against the coal mining machine, and the mounting ring 1 and the coal mining machine are fixed more tightly; after the position of the mounting ring 1 is fixed, when a coal mining machine performs coal mining operation, the positions of the first arc plate 13 and the second arc plate 15 can be adjusted according to the coal mining machine and the actual coal mining condition, the second fixing bolt 17 is unscrewed, the second arc plate 15 is pulled to adjust the positions of the first arc plate 13 and the second arc plate 15, and the positions of the first arc plate 13 and the second arc plate 15 can be fixed by screwing the second fixing bolt 17; the second fixing bolt 17 and the third fixing bolt 21 are unscrewed, the second arc plate 15 is pulled out, the sponge layer 19 can be removed for replacement, and the sponge layer 19 can block coal ash and cinder during coal mining, so that the coal ash and cinder are prevented from entering the second sliding groove 14.
After adopting above-mentioned structure, this embodiment's beneficial effect does:
1. the internally threaded pipe 8 and the screw 10 are arranged, so that the coal mining machine can be fixed from a plurality of points according to the caliber of the coal mining machine, and the mounting ring 1 and the coal mining machine are fixed more tightly;
2. the positions of the first arc plate 13 and the second arc plate 15 can be adjusted by using the second fixing bolt 17, the operation is convenient and simple, and the practicability is improved;
3. the sponge layer 19 is arranged, so that coal ash and cinder can be blocked during coal mining, and the coal ash and cinder can be prevented from entering the second sliding groove 14.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention 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 (4)
1. The utility model provides a keep off coal board of coal-winning machine which characterized in that: the novel fixing device comprises a mounting ring (1), a first fixing bolt (3), a metal connecting sheet (6), an internal threaded pipe (8), a second rubber pad (9), a screw (10), a first connecting rod (11), a second connecting rod (12), a first arc plate (13), a second arc plate (15) and a second fixing bolt (17); a first threaded hole (2) is formed in the middle of the upper portion of the mounting ring (1), and a first fixing bolt (3) is screwed in the first threaded hole (2); the first fixing bolt (3) is screwed and penetrated in the metal connecting sheet (6) through a bearing; the left inner ring wall and the right inner ring wall of the mounting ring (1) are both provided with a first sliding groove (7); the internal thread pipe (8) is arranged in the first sliding chute (7) in a sliding manner, and a second rubber pad (9) is fixed at the closed end of the internal thread pipe (8); a screw rod (10) is screwed in the internal thread pipe (8), and the screw rod (10) is fixed with the metal connecting sheet (6);
the left lower ends of the front side wall and the rear side wall of the mounting ring (1) are respectively and rotatably connected with a first connecting rod (11) through a shaft and a bearing, and the right lower ends of the front side wall and the rear side wall of the mounting ring (1) are respectively and rotatably connected with a second connecting rod (12) through a shaft and a bearing; the lower ends of the front and rear first connecting rods (11) are respectively screwed on the front and rear side walls on the left side of the first arc plate (13) through a shaft and a bearing; a second sliding groove (14) is formed in the first arc plate (13), and the second arc plate (15) is slidably arranged in the second sliding groove (14); the lower ends of the front and rear second connecting rods (12) are respectively screwed on the front and rear side walls on the right side of the second arc plate (15) through a shaft and a bearing; a second threaded hole (16) is formed in the middle of the upper surface of the first arc plate (13), and the second threaded hole (16) and the second sliding groove (14) are arranged in a penetrating mode; a second fixing bolt (17) is screwed and penetrates through the second threaded hole (16), and the inner end of the second fixing bolt is abutted against the second arc plate (15); the upper ends and the lower ends of the first connecting rod (11) and the second connecting rod (12) are all arranged in a flush mode, and the lengths of the first connecting rod (11) and the second connecting rod (12) are equal.
2. The coal deflector of a coal mining machine according to claim 1, characterized in that: and a hand screw (4) is fixed at the upper end of the first fixing bolt (3).
3. The coal deflector of a coal mining machine according to claim 1, characterized in that: a first rubber pad (5) is fixed at the lower end of the first fixing bolt (3).
4. The coal deflector of a coal mining machine according to claim 1, characterized in that: the upper part and the lower part of the right end of the first arc plate (13) are both provided with a third threaded hole (18); after the second arc plate (15) penetrates through the sponge layer (19), the sponge layer (19) is abutted against the right end of the first arc plate (13); through holes (20) are formed in the upper end and the lower end of the sponge layer (19), and a third fixing bolt (21) penetrates through the through holes (20) and then is connected with the third fixing bolt (21) in a screwing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021549788.9U CN212671776U (en) | 2020-07-30 | 2020-07-30 | Coal baffle of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021549788.9U CN212671776U (en) | 2020-07-30 | 2020-07-30 | Coal baffle of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671776U true CN212671776U (en) | 2021-03-09 |
Family
ID=74817716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021549788.9U Active CN212671776U (en) | 2020-07-30 | 2020-07-30 | Coal baffle of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671776U (en) |
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2020
- 2020-07-30 CN CN202021549788.9U patent/CN212671776U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220401 Address after: 168 Beijing Middle Road, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: National Energy Group Ningxia Coal Industry Co.,Ltd. Address before: No.168, middle Beijing Road, Yinchuan City, Ningxia Hui Autonomous Region, 750011 Patentee before: Liu Tao |