CN211975018U - Waste rock prevention device at base side of end hydraulic support - Google Patents
Waste rock prevention device at base side of end hydraulic support Download PDFInfo
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- CN211975018U CN211975018U CN202020297346.3U CN202020297346U CN211975018U CN 211975018 U CN211975018 U CN 211975018U CN 202020297346 U CN202020297346 U CN 202020297346U CN 211975018 U CN211975018 U CN 211975018U
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- connecting lug
- lug plate
- hydraulic support
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Abstract
The utility model discloses a waste rock prevention device at the bottom seat side of an end hydraulic support, wherein a first connecting lug plate, a second connecting lug plate and a third connecting lug plate are arranged at one side of the bottom seat, and the inner side edge of a side baffle plate is hinged with the first connecting lug plate; the inner side surface of the side baffle is connected with a side gangue blocking jack, and two ends of the side gangue blocking jack are respectively hinged with the side baffle and a second connecting lug plate; a fixed pin shaft is arranged on the third connecting lug plate, a fixed lug is also arranged on the inner side surface of the side baffle plate, and a fixed hole matched with the fixed pin shaft is formed in the fixed lug; the opening and closing of the side waste rock blocking device are controlled by a hydraulic jack, and waste rock can be effectively prevented from entering the support from the side.
Description
Technical Field
The utility model relates to an end hydraulic support base side prevents cash device belongs to colliery is fully mechanized in the pit and is strutted waste rock equipment technical field.
Background
The existing end hydraulic support side gangue prevention device is generally provided with a side turning plate on a side guard plate on one side of a top beam roadway or a suspended baffle mechanism on the top beam. The side turning plate is designed on the side protection plate on one side of the top beam roadway, when the inclination angle of the working face of the coal seam is a slowly inclined coal seam, the gangue prevention effect is good, when the inclination angle of the working face of the coal seam is an inclined coal seam or a steeply inclined coal seam, according to the actual investigation of the deep working face, the side turning plate gangue prevention device can only block a part of gangue, and still some gangue falls into a pedestrian passage of the support to damage the upright post and the hydraulic part; the suspended baffle mechanism is arranged on the top beam, the mechanism is complex in structure, inconvenient to operate by workers, time-consuming and labor-consuming to operate, and low in working efficiency.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides a can dismantle cash device of preventing to be applicable to inclined coal seam working face end support side specifically is a cash device is prevented to end hydraulic support base side, and this side keeps off opening and closing of cash device and is controlled by hydraulic jack, can effectively block inside the cash gets into the support from side.
The utility model discloses a following technical scheme realizes:
a side gangue-preventing device of an end hydraulic support base comprises a base, a side baffle, a side gangue-blocking jack, a fixed pin shaft, a first connecting lug plate, a second connecting lug plate and a third connecting lug plate,
a first connecting lug plate, a second connecting lug plate and a third connecting lug plate are arranged on one side of the base, and the inner side edge of the side baffle plate is hinged with the first connecting lug plate; the inner side surface of the side baffle is connected with a side gangue blocking jack, and two ends of the side gangue blocking jack are respectively hinged with the side baffle and a second connecting lug plate; the third is connected and is provided with the fixed pin axle on the otic placode, still be provided with fixed ear on the medial surface of side shield, be provided with on the fixed ear with the fixed orifices of fixed pin axle looks adaptation.
Preferably, the bottom of the side baffle is higher than the bottom of the base, and the top of the side baffle is higher than the top of the base.
Preferably, the height of the side baffle is 1.5 to 3 times the height of the base.
Preferably, the first engaging lug plate and the second engaging lug plate are connected to a side wall of one side of the base, and the third engaging lug plate is connected to the top of the side wall of the base.
Preferably, a plurality of bolt holes are formed in the first connecting lug plate, fixing bolts are detachably arranged in the bolt holes, and the first connecting lug plate is mounted on one side wall of the base through the fixing bolts; the lateral wall and the lateral wall top of base one side are provided with a plurality of installation screw rods, second connection otic placode and third connection otic placode pass through the installation screw rod and connect and install in the lateral wall and the lateral wall top of base one side.
Preferably, the cylinder diameter of the side gangue blocking jack is 60-80mm, and the rod diameter of the piston rod is 50-60 mm.
Preferably, the fixing lug is located below the third connecting lug plate.
Preferably, the fixed pin shaft is movably arranged on the third connecting lug plate in a penetrating mode, a positioning plate is arranged at the top of the fixed pin shaft, a clamping plate is arranged in the middle of the fixed pin shaft, the positioning plate and the clamping plate are respectively located above and below the third connecting lug plate, and a compressed spring is arranged between the clamping plate and the third connecting lug plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model 1. the side of the base is provided with a waste rock blocking plate, which can effectively block the waste rock falling from the middle lower part of the hydraulic support from entering the inside of the support through matching with a top beam rollover jack (mature technology and not described); 2. the device can be freely disassembled according to the actual conditions of the working face, and is suitable for working faces under various working conditions; 3. the expansion of the side baffle is controlled by an operating valve or a remote controller, so that the degree of mechanization is high, the labor intensity of personnel can be reduced, and the working efficiency is improved; 4. the device has the advantages of simple structure, convenient operation, low manufacturing cost and good waste rock blocking effect.
The method is suitable for preventing the waste rock at the roadway side of the end supports of the slowly inclined coal seam, the inclined coal seam and the steeply inclined coal seam.
Drawings
Fig. 1 is the overall structure schematic diagram of the open state of the side baffle of the gangue preventing device on the side of the end hydraulic support base provided by the embodiment of the utility model 1.
Fig. 2 is the overall structure schematic diagram of the closed state of the side baffle of the gangue preventing device on the side of the end hydraulic support base provided by the embodiment of the utility model 1.
Fig. 3 is a schematic structural view of a connection lug plate of the gangue preventing device on the side of the end hydraulic support base provided by the embodiment of the utility model 1.
Fig. 4 is a schematic view of a base of a gangue preventing device on the side of an end hydraulic support base provided by the embodiment of the present invention 1.
Fig. 5 is a schematic view of the fixing pin structure provided in embodiment 2 of the present invention.
Reference numbers correspond to part names: the device comprises a base 1, a side baffle 2, a side gangue blocking jack 3, a connecting lug plate I4, a connecting lug plate II 5, a connecting lug plate III 6, a fixed pin shaft 7, a fixed bolt 8, a mounting screw 9, a fixed lug 10, a fixed hole 11, a positioning plate 12, a clamping plate 13 and a spring 14.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to these embodiments, and any changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.
Example 1
A side gangue-preventing device of an end hydraulic support base comprises a base 1, a side baffle 2, a side gangue-blocking jack 3, a fixed pin 7, a first connecting lug plate 4, a second connecting lug plate 5 and a third connecting lug plate 6,
a first connecting lug plate 4, a second connecting lug plate 5 and a third connecting lug plate 6 are arranged on one side of the base 1, and the inner side edge of the side baffle plate 2 is hinged with the first connecting lug plate 4; the inner side surface of the side baffle 2 is connected with a side gangue blocking jack 3, and two ends of the side gangue blocking jack 3 are respectively hinged with the side baffle 2 and a second connecting lug plate 5; the third connecting lug plate 6 is provided with a fixed pin shaft 7, the inner side surface of the side baffle plate 2 is further provided with a fixed lug 10, and the fixed lug 10 is provided with a fixed hole 11 matched with the fixed pin shaft 7.
The bottom of the side baffle 2 is higher than the bottom of the base 1, and the top of the side baffle 2 is higher than the top of the base 1.
The height of the side baffle 2 is 1.5 to 3 times of the height of the base 1.
The first connecting lug plate 4 and the second connecting lug plate 5 are connected on the side wall of one side of the base 1, and the third connecting lug plate 6 is connected on the top of the side wall of the base 1. Fig. 3 is a schematic diagram of the structure of the connecting ear plate, wherein (a) is the first connecting ear plate 4, and (b) is the second connecting ear plate 5.
A plurality of bolt holes are formed in the first connecting lug plate 4, fixing bolts 8 are detachably arranged in the bolt holes, and the first connecting lug plate 4 is installed on one side wall of the base through the fixing bolts 8; the lateral wall and the lateral wall top of base 1 one side are provided with a plurality of installation screw rods 9, second connection otic placode 5 and third connection otic placode 6 connect through the installation screw rod and install in the lateral wall and the lateral wall top of base 1 one side.
The cylinder diameter of the side gangue blocking jack 3 is 60-80mm, and the rod diameter of the piston rod is 50-60 mm.
The fixing lug 10 is located below the third connecting lug plate 6.
Example 2
In the device of embodiment 1, the activity of fixed pin 7 is worn to establish on third connection otic placode 6, and fixed pin 7 top is provided with locating plate 12, and the middle part is provided with joint board 13, and locating plate 12 and joint board 13 are located the top and the below of third connection otic placode 6 respectively, are provided with compressed spring 14 between joint board 13 and the third connection otic placode 6. When the fixing lug is required to be connected with the third connecting lug plate, the positioning plate at the top of the fixing pin shaft 7 is pulled upwards, the fixing lug moves to the position below the third connecting lug plate 6, and the bottom of the fixing pin shaft 7 is inserted into the fixing hole 11 of the fixing lug 10 under the pressure of the spring.
The working process of the device is as follows: during coal mining work, inside operating personnel got into support pedestrian space from base 1 side, kept off the shrink of cash jack 3 through the operating valve control side, with base side shield 2 closure, reuse fixed pin axle 7 locks side shield 2 and base 1, and base side shield is through cooperating with back timber side shield (the device technology is mature, and here is no longer repeated), can effectively block the waste rock that the tunnel roof dropped and injure personnel and equipment by a crashing object.
When the operator comes out from the pedestrian space of the support, the fixed pin shaft 7 needs to be taken down, the side gangue blocking jack 3 is controlled to extend through the control valve, the base side baffle 2 is opened by a certain angle, and the operator can smoothly enter and exit the support.
The utility model provides a pair of waste rock device is prevented to end hydraulic support base side combines to adopt working face incline direction and installs in aircraft nose, tail end support, adopts the utility model provides a when side fender cash jack control side shield is opened and is closed, operating personnel only need can realize through operating valve handle or telecar, both effectually has blockked inside the waste rock flies into the support, has improved work efficiency again, has alleviateed operating personnel intensity of labour. The device has been applied on a plurality of working face end supports, and the waste rock blocking effect is better, has obtained the approval of ore side, has certain spreading value.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A waste rock prevention device on the side of an end hydraulic support base is characterized by comprising a base (1), a side baffle (2), a side waste rock blocking jack (3), a fixed pin shaft (7), a first connecting lug plate (4), a second connecting lug plate (5) and a third connecting lug plate (6),
a first connecting lug plate (4), a second connecting lug plate (5) and a third connecting lug plate (6) are arranged on one side of the base (1), and the inner side edge of the side baffle (2) is hinged with the first connecting lug plate (4); the inner side surface of the side baffle (2) is connected with a side gangue blocking jack (3), and two ends of the side gangue blocking jack (3) are respectively hinged with the side baffle (2) and a second connecting lug plate (5); and a fixed pin shaft (7) is arranged on the third connecting lug plate (6), a fixed lug (10) is further arranged on the inner side surface of the side baffle plate (2), and a fixed hole (11) matched with the fixed pin shaft (7) is formed in the fixed lug (10).
2. The hydraulic support pedestal side gangue preventing device of end head of claim 1, wherein the bottom of the side baffle (2) is higher than the bottom of the pedestal (1), and the top of the side baffle (2) is higher than the top of the pedestal (1).
3. The hydraulic support pedestal side gangue preventing device of the end head hydraulic support pedestal according to claim 2, wherein the height of the side baffle (2) is 1.5-3 times of the height of the pedestal (1).
4. The hydraulic support pedestal side gangue preventing device of end head of claim 1, wherein the first connecting lug plate (4) and the second connecting lug plate (5) are connected to the side wall of one side of the pedestal (1), and the third connecting lug plate (6) is connected to the top of the side wall of the pedestal (1).
5. The hydraulic support pedestal side gangue preventing device of the end head hydraulic support according to claim 1, wherein a plurality of bolt holes are formed in the first connecting lug plate (4), fixing bolts (8) are detachably arranged in the bolt holes, and the first connecting lug plate (4) is installed on one side wall of the pedestal through the fixing bolts (8); the lateral wall and the lateral wall top of base (1) one side are provided with a plurality of installation screw rods (9), second connection otic placode (5) and third connection otic placode (6) are connected through the installation screw rod and are installed in the lateral wall and the lateral wall top of base (1) one side.
6. The device for preventing the waste rock on the side of the end hydraulic support base according to claim 1, wherein the cylinder diameter of the side waste rock blocking jack (3) is 60-80mm, and the rod diameter of the piston rod is 50-60 mm.
7. A mine refuse chute on the base side of a hydraulic support head according to claim 1, characterised in that the fixing lug (10) is located below the third connecting lug plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297346.3U CN211975018U (en) | 2020-03-12 | 2020-03-12 | Waste rock prevention device at base side of end hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297346.3U CN211975018U (en) | 2020-03-12 | 2020-03-12 | Waste rock prevention device at base side of end hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975018U true CN211975018U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020297346.3U Active CN211975018U (en) | 2020-03-12 | 2020-03-12 | Waste rock prevention device at base side of end hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211975018U (en) |
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2020
- 2020-03-12 CN CN202020297346.3U patent/CN211975018U/en active Active
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