CN221277786U - Hydraulic support front beam with gangue guiding function - Google Patents
Hydraulic support front beam with gangue guiding function Download PDFInfo
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- CN221277786U CN221277786U CN202323287303.XU CN202323287303U CN221277786U CN 221277786 U CN221277786 U CN 221277786U CN 202323287303 U CN202323287303 U CN 202323287303U CN 221277786 U CN221277786 U CN 221277786U
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- front beam
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000001174 ascending effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 12
- 238000005065 mining Methods 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to a hydraulic support front beam with a gangue guiding function, which comprises a front beam mechanism and gangue guiding devices positioned at two sides of the front beam mechanism, wherein the gangue guiding devices comprise gangue sliding grooves and fixed lug plates, the gangue sliding grooves are U-shaped grooves with upward openings, the fixed lug plates are fixed outside the gangue sliding grooves, the length direction of the gangue sliding grooves extends along the front-back direction, and two ends of the gangue sliding grooves are obliquely arranged in the height direction, and the gangue guiding devices are connected and fixed with the front beam mechanism through the fixed lug plates and connecting bolts. The gangue guiding device is adopted to catch the falling gangue and guide the falling gangue to be transported out, and the problems that the safety of pedestrians and the rubber tube in the cable groove are affected due to the falling gangue are solved on the basis that the height of a front beam box structure is not affected.
Description
Technical Field
The utility model relates to the technical field of coal mining equipment, in particular to a hydraulic support front beam with a gangue guiding function.
Background
The hydraulic support is one of important equipment in fully mechanized coal mining equipment, plays a supporting role in underground working face mining of a coal mine, and protects safety of equipment and personnel. The hydraulic support in the form of the hinged top beam is slightly narrower than the top beam due to the structural design width of the front beam, and gangue falls from two sides of the front beam in the process of forward movement of the hydraulic support and swing of the front beam in the use process, so that great hidden danger is caused to the space safety of pedestrians in the front.
In order to solve the problems, a Chinese patent document with publication number of CN216665651U discloses a side guard gangue blocking device for a front beam of a hydraulic support, which comprises a front beam body, gangue blocking side guard plates and side pushing oil cylinders, wherein the gangue blocking side guard plates are positioned on two sides of the front beam body, and the side pushing oil cylinders drive the gangue blocking side guard plates to extend/retract so as to realize comprehensive protection, thereby preventing falling gangue from entering a supporting space. Above-mentioned side guard keeps off gangue device can block the gangue to drop to a certain extent, but still has following problem:
(1) Most of the side pushing oil cylinders are limited by the front Liang Tixiang type and the action and cannot be arranged in the box, meanwhile, the connecting mode of the side pushing jacks and the front beam body indirectly enables the folding thickness of the front beam body to be increased, and the height clearance between the front beam body and the matched coal mining machine is required to be kept, so that the coal mining machine can not meet the working face mining height requirement under the condition that the front beam body is raised.
(2) Most gangue blocking side guard plates cannot be completely in seamless lap joint with the top beam side guard plates, and gangue can fall into the cable groove from gaps in the action process of the support, so that abrasion of rubber pipes in the groove is increased.
(3) The gangue blocking side guard plate only has the function of blocking gangue, and cannot lead the gangue out well, and the gangue is likely to fall off.
Disclosure of utility model
The utility model aims to provide a hydraulic support front beam with a gangue guiding function, which can solve the technical problems existing in the existing hydraulic support front beam provided with gangue blocking side guard plates.
The utility model provides the following technical scheme: the utility model provides a hydraulic support front beam with lead gangue function, includes front beam mechanism and is located the lead gangue device of front beam mechanism both sides, leads gangue device and includes swift current gangue groove and fixed otic placode, and swift current gangue groove is the ascending U type groove of opening, and fixed otic placode is fixed in the outside of swift current gangue groove, and swift current gangue groove length direction extends along fore-and-aft direction and both ends are in the slope of direction of height setting, and lead gangue device and front beam mechanism through fixed otic placode, connecting bolt and be connected fixedly.
Further, the gangue guiding device further comprises a protection chain, and two ends of the protection chain are respectively connected with the back surface of the gangue chute and the fixed hanging ring on the front beam mechanism.
Further, the front beam mechanism mainly comprises a front beam body, a telescopic beam, a side protection plate, a telescopic beam jack and a side protection jack, wherein the gangue guiding device is fixed on two sides of the front beam body, the telescopic beam and the front beam body are of drawer type telescopic structures, two ends of the telescopic beam jack are hinged with the telescopic beam and the front beam body respectively and are used for driving the telescopic beam to extend forwards or retract backwards relative to the front beam body, the side protection plate is connected with the front end of the telescopic beam in a rotating mode, and two ends of the side protection jack are hinged with the side protection plate and the front beam body respectively and are used for driving the side protection plate to rotate relative to the telescopic beam.
Further, the side protection jack is arranged at one side and is positioned at the transverse middle position of the lower side of the front beam body, and the telescopic beam jacks are arranged at two sides and are respectively positioned at two sides of the side protection jack.
The beneficial effects are that: when the working face is supported along with coal mining operation, the gangue sliding grooves fixed on the outer side of the front beam catch the gangue falling from the two sides of the broken top plate, and the gangue slides from the lower side of the gangue sliding grooves to the conveying groove of the scraper conveyor under the gravity guiding effect and is conveyed outwards along with the coal blocks; the gangue chute is bent into a U-shaped chute, so that the gangue is prevented from leaking and rolling down, the guiding effect of the gangue is ensured, the gangue chute is fixed on the outer side of the front beam body through the fixed lug plate, the front-back movement or left-right shaking of the gangue guiding device can be prevented, and the structural stability is ensured; in addition, the protection chain at the back of the gangue chute plays a role in preventing falling, and prevents the gangue chute from falling under the condition of failure of the connecting bolt, so that the safety of pedestrians is ensured.
Drawings
FIG. 1 is a schematic view of a hydraulic support front beam with gangue guiding function in a use state of an embodiment 1 of the present utility model;
Fig. 2 is a schematic structural diagram of a front beam mechanism with a gangue guiding device arranged on one side of a front beam mechanism in an embodiment 1 of a front beam of a hydraulic bracket with a gangue guiding function according to the present utility model;
FIG. 3 is a schematic diagram II of a front beam mechanism with a gangue guiding device arranged on one side of the front beam mechanism in an embodiment 1 of a front beam of a hydraulic bracket with a gangue guiding function;
Reference numerals: 1-a front beam body; 2-an adapter plate; 3-a gangue chute; 4-fixing the ear plate; 5-telescoping beams; 6-a side protection plate; 7-a protection chain; 8-a wall protection jack; 9-telescopic beam jack.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a hydraulic support front beam with a gangue guiding function mainly comprises a front beam mechanism and gangue guiding devices positioned on two sides of the front beam mechanism, wherein the front beam mechanism comprises a front beam body 1, an adapter plate 2, a telescopic beam 5, a side protection plate 6, two telescopic beam jacks 9 and side protection jacks 8, and the adapter plate 2 is arranged on two sides of an outer main rib of the front beam body 1. The telescopic beam 5 and the front beam body 1 are of a drawer type telescopic structure, and two ends of a telescopic beam jack 9 are respectively hinged with the telescopic beam 5 and the front beam body 1 and used for driving the telescopic beam 5 to extend forwards or retract backwards relative to the front beam body 1. The side protection plate 6 is rotatably assembled at the front end of the telescopic beam 5, and two ends of the side protection jack 8 are respectively hinged with the side protection plate 6 and the front beam body 1 and used for driving the side protection plate 6 to rotate relative to the telescopic beam 5. The side protection jack 8 is positioned at the transverse middle position of the lower side of the front beam body, and the two telescopic beam jacks 9 are symmetrically arranged at two sides of the side protection jack 8 respectively. When the hydraulic support works along with the coal mining machine, the side protection plate and the telescopic beam are controlled to move according to the coal cutting progress to support the front end of the working face.
The both sides of front beam mechanism still are provided with the gangue guide device, the gangue guide device includes swift current gangue groove 3, fixed otic placode 4 and protection chain 7, swift current gangue groove 3 is the ascending U type groove of opening, wherein fixed otic placode 4 is fixed in the outside of swift current gangue groove 3, swift current gangue groove 3 length direction extends along the fore-and-aft direction, its front end is low, the rear end is high, the gangue guide device is fixed on adapter plate 2 through fixed otic placode 4 and connecting bolt is firm, and the swift current gangue groove 3 back passes through the fixed rings connection on protection chain 7 and the front beam body 1, play the anti-falling effect, protection pedestrian personal safety when connecting bolt became invalid.
When the hydraulic support is used for carrying out mining work along with the coal mining machine, the gangue chute 3 can bear gangue generated on two sides of the broken top plate, the U-shaped chute can effectively prevent the gangue from leaking, the gangue is guided by gravity to fall into the conveying chute of the scraper conveyor at the lower end and is conveyed outwards along with coal blocks, so that the gangue is prevented from falling to threaten personal safety of staff, and the gangue is prevented from falling to wear rubber pipes in the cable chute.
The following remarkable advantages are achieved:
(1) The gangue guide device does not occupy the box space of the front beam, is not influenced by matched dimensions, is suitable for various working surfaces with coal mining heights, and has high universality.
(2) The gangue guide device is fixed through a connecting bolt, so that the gangue guide device is stable in connection and convenient to assemble and disassemble; and a protection chain is arranged, so that the safety of pedestrians is effectively ensured.
(3) The roof broken gangue can be well guided and transported out of the working surface, the gangue falling danger is solved from the root dredging, and the safety is better.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (4)
1. The utility model provides a hydraulic support front beam with lead gangue function, characterized by, including front beam mechanism and be located the gangue device that leads of front beam mechanism both sides, lead gangue device and include swift current gangue groove and fixed otic placode, swift current gangue groove is the ascending U type groove of opening, and fixed otic placode is fixed in the outside of swift current gangue groove, and swift current gangue groove length direction extends and both ends are in the slope of direction of height setting around, and lead gangue device and front beam mechanism through fixed otic placode, connecting bolt and be connected fixedly.
2. The hydraulic support front beam with the gangue guiding function as claimed in claim 1, wherein the gangue guiding device further comprises a protection chain, and two ends of the protection chain are respectively connected with the back surface of the gangue chute and the fixed hanging ring on the front beam mechanism.
3. The hydraulic support front beam with gangue guiding function according to claim 1 or 2, wherein the front beam mechanism mainly comprises a front beam body, a telescopic beam, a side protection plate, a telescopic beam jack and a side protection jack, the gangue guiding device is fixed on two sides of the front beam body, the telescopic beam and the front beam body are of drawer type telescopic structures, two ends of the telescopic beam jack are hinged with the telescopic beam and the front beam body respectively and used for driving the telescopic beam to extend forwards/retract backwards relative to the front beam body, the side protection plate is connected with the front end of the telescopic beam in a rotating mode, and two ends of the side protection jack are hinged with the side protection plate and the front beam body respectively and used for driving the side protection plate to rotate relative to the telescopic beam.
4. A hydraulic support front beam with gangue guiding function as claimed in claim 3, wherein the upper protecting jack is arranged at one lateral middle position of the lower side of the front beam body, and the telescopic beam jacks are arranged at two sides of the upper protecting jack respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323287303.XU CN221277786U (en) | 2023-12-04 | 2023-12-04 | Hydraulic support front beam with gangue guiding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323287303.XU CN221277786U (en) | 2023-12-04 | 2023-12-04 | Hydraulic support front beam with gangue guiding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221277786U true CN221277786U (en) | 2024-07-05 |
Family
ID=91692732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323287303.XU Active CN221277786U (en) | 2023-12-04 | 2023-12-04 | Hydraulic support front beam with gangue guiding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221277786U (en) |
-
2023
- 2023-12-04 CN CN202323287303.XU patent/CN221277786U/en active Active
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