CN212225280U - Hydraulic support protects group's board connecting device - Google Patents
Hydraulic support protects group's board connecting device Download PDFInfo
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- CN212225280U CN212225280U CN202020564326.8U CN202020564326U CN212225280U CN 212225280 U CN212225280 U CN 212225280U CN 202020564326 U CN202020564326 U CN 202020564326U CN 212225280 U CN212225280 U CN 212225280U
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- ear
- hydraulic support
- seat
- hole
- protection plate
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Abstract
The utility model provides a hydraulic support protects group's board connecting device, be used for connecting a pair of ear seat that protects group's board including setting up in flexible beam ends both sides, flexible beam ends both sides set up the recess, the connection can be dismantled in the ear seat lower part in the recess, ear seat upper portion with protect group's board and can dismantle the connection. The utility model provides a pair of hydraulic support protects group's board connecting device can avoid the lug seat to make progress the work space that highly reduces the coal-winning machine that stretches out to do not influence the work space of coal-winning machine.
Description
Technical Field
The utility model relates to a combine and adopt working face equipment technical field, in particular to hydraulic support protects group's board connecting device.
Background
The hydraulic support belongs to one of three large devices (a coal mining machine, a scraper conveyor and the hydraulic support) of a fully mechanized mining face, and mainly has the functions of supporting and managing a working face top plate, isolating a goaf and providing a safe working space for coal mining operation; meanwhile, the function of pushing the scraper conveyor and the function of self-advancing are also realized.
When the height of the hydraulic bracket is greater than or equal to 3.5m, the toe guard device should be installed. The side protection plate is hinged to the telescopic beam at the front end of the top beam and used for supporting the coal side of the working surface and preventing the gangue and coal falling from the front part of the hydraulic support from entering the space of the working surface.
At present, a telescopic beam at the front end of a top beam is connected with a side protection plate through welding lug plates, the lug plates are welded on two sides of the end part of the telescopic beam, and the side protection plate is hinged with the lug plates, so that the telescopic beam is connected with the side protection plate. When the hydraulic support with the side protection plate is used for fully-mechanized mining of a working surface with small mining height, complete top plate and hard coal, the side protection plate is not required to be installed. At the moment, the working space of the coal mining machine can be reduced by the upward extending height of the welding lug plates used for hinging the side protection plates at the two sides of the end part of the telescopic beam at the front part of the top beam.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a detachable hydraulic support protects group's board connecting device is provided to avoid influencing the working space of coal-winning machine.
In order to solve the technical problem, the utility model provides a hydraulic support protects group's board connecting device, including setting up a pair of ear seat that is used for connecting the group's board in flexible beam ends both sides, flexible beam ends both sides set up the recess, the connection can be dismantled in the ear seat lower part in the recess, ear seat upper portion with the connection can be dismantled to the group's board.
Further, set up the through-hole on the wall of recess both sides, the ear seat lower part be provided with the first connecting hole of the through-hole assorted of recess both sides wall, the ear seat lower part passes through-hole and first connecting hole are in by the round pin hub connection in the recess.
Furthermore, the upper part of the ear seat is provided with a pair of ear plates which are arranged in parallel, the ear plates are provided with second connecting holes, the upper protection plate is provided with connecting lugs, the connecting lugs are provided with lug holes and arranged between the two ear plates, and the connecting lugs are connected with the two ear plates through the second connecting holes and the lug holes by connecting bolts so as to connect the upper protection plate with the upper part of the ear seat.
Furthermore, a stop pin seat is arranged at the through hole of the outer side wall of the telescopic beam, and a U-shaped clamp is arranged on the stop pin seat and used for fixing the pin shaft.
The utility model provides a pair of hydraulic support protects group's board connecting device will be used for connecting flexible roof beam and protects the ear seat of group's board and can dismantle with flexible roof beam and be connected, when hydraulic support does not need the installation to protect group's board, can get off the ear seat from the anterior flexible beam end both sides of back timber very convenient dismantlement. The height of the lug seat extending upwards can be prevented from reducing the working space of the coal mining machine, so that the working space of the coal mining machine can not be influenced. Moreover, the connection and the disassembly of the ear seat, the telescopic beam and the side protection plate are also simple and convenient, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a hydraulic support side protection plate connecting device according to an embodiment of the present invention;
fig. 2 is a schematic view of a groove structure of a telescopic beam of the hydraulic support side protection plate connecting device according to the embodiment of the present invention;
fig. 3 is a schematic view of an ear seat structure of a hydraulic support side-protecting plate connecting device according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a hydraulic support upper protection plate connection device, including a pair of ear seats 20 disposed on both sides of the end portion of a telescopic beam 10 and used for connecting an upper protection plate 30, the both sides of the end portion of the telescopic beam 10 are provided with grooves 11, the lower portion of the ear seat 20 can be detachably connected in the groove 11, and the upper portion of the ear seat 20 can be detachably connected with the upper protection plate 30.
Wherein, be provided with through-hole 12 on the 11 both sides walls of recess respectively, ear seat 20 lower part be provided with the 12 assorted first connecting holes 21 of through-hole on the 11 both sides walls of recess, the lower part of ear seat 20 is passed through-hole 12 and first connecting holes 21 are connected by round pin axle 40 in the recess 11.
The upper portion of the ear seat 20 is provided with a pair of ear plates 22 which are arranged in parallel, the two ear plates 22 are respectively provided with a second connecting hole 23, the upper protection plate 30 is provided with a connecting ear 31, the connecting ear 31 is provided with an ear hole, the connecting ear 31 is embedded between the two ear plates 22, and the connecting ear 31 and the two ear plates 22 are connected together through the second connecting hole 23 and the ear hole by a connecting bolt 60, so that the upper protection plate 30 and the upper portion of the ear seat 20 are hinged together.
In addition, a stop pin seat 13 is arranged at a through hole 12 on the outer side wall of the telescopic beam 10, a U-shaped clamp 50 is arranged on the stop pin seat 13, and the U-shaped clamp 50 penetrates through a small hole on the stop pin seat 13 and is inserted on the stop pin seat 13 to fix the end part of the pin shaft 40 in the stop pin seat 13 and prevent the pin shaft 40 from falling off.
When the hydraulic support needs to be provided with the side protection plate 30, the two lug seats 20 are respectively inserted into the grooves 11 on the two sides of the end part of the telescopic beam 10, the lug seats 20 are connected with the telescopic beam 10 through the pin shafts 40 penetrating through the through holes 12 on the two side walls of the grooves 11 and the first connecting holes 21 at the lower part of the lug seats 20, and then the U-shaped clamps 50 penetrate through the pin blocking seats 13 to fix the end parts of the pin shafts 40 to prevent the pin shafts 40 from falling off. The freedom of the ear mount 20 is limited by the four sides of the recess 11 and the pin 40. The ear seat 20 and the upper protection plate 30 are connected together by connecting bolts 60 through the second connecting holes 23 on the two ear plates 22 on the upper part of the ear seat 2 and the ear holes on the connecting ears 31 of the upper protection plate 30.
When the hydraulic bracket does not need to use the side protection plate 30, the lug seat 2, the pin shaft 3 and the U-shaped clamp 50 are pulled out of the pin stopping seat 13, and the pin shaft 40 is removed, so that the lug seat 20 can be detached from the groove 11 of the telescopic beam 10. Therefore, the lug seat 20 is convenient to disassemble, and after the lug seat 20 is disassembled, no exposed extending part exists on the telescopic beam 10, so that the working space of the coal mining machine cannot be influenced.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a hydraulic support protects group's board connecting device which characterized in that: the telescopic beam comprises a pair of ear seats which are arranged on two sides of the end part of the telescopic beam and used for being connected with a side protection plate, grooves are formed in two sides of the end part of the telescopic beam, the lower parts of the ear seats are detachably connected in the grooves, and the upper parts of the ear seats are detachably connected with the side protection plate.
2. The hydraulic support toe guard connection device of claim 1, wherein: set up the through-hole on the wall of recess both sides, the ear seat lower part be provided with the first connecting hole of the through-hole assorted of recess both sides wall, the ear seat lower part passes through-hole and first connecting hole are in by the round pin hub connection in the recess.
3. The hydraulic support toe guard connection device of claim 1, wherein: the upper portion of the ear seat is provided with a pair of ear plates which are arranged in parallel, second connecting holes are formed in the ear plates, connecting lugs are arranged on the side protection plate and provided with ear holes, the connecting lugs are arranged between the two ear plates, and the connecting lugs are connected with the two ear plates through the second connecting holes and the ear holes by connecting bolts so that the side protection plate is connected with the upper portion of the ear seat.
4. The hydraulic support toe guard connection device of claim 2, wherein: and a stop pin seat is arranged at the through hole of the outer side wall of the telescopic beam, and a U-shaped clamp is arranged on the stop pin seat and used for fixing the pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020564326.8U CN212225280U (en) | 2020-04-16 | 2020-04-16 | Hydraulic support protects group's board connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020564326.8U CN212225280U (en) | 2020-04-16 | 2020-04-16 | Hydraulic support protects group's board connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225280U true CN212225280U (en) | 2020-12-25 |
Family
ID=73906480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020564326.8U Active CN212225280U (en) | 2020-04-16 | 2020-04-16 | Hydraulic support protects group's board connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738029A (en) * | 2022-04-06 | 2022-07-12 | 常州市新创智能科技有限公司 | Coal mine side protection plate and forming process thereof |
-
2020
- 2020-04-16 CN CN202020564326.8U patent/CN212225280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738029A (en) * | 2022-04-06 | 2022-07-12 | 常州市新创智能科技有限公司 | Coal mine side protection plate and forming process thereof |
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