CN210370732U

CN210370732U - Coal mine inner support device

Info

Publication number: CN210370732U
Application number: CN201920544838.5U
Authority: CN
Inventors: 杨晨升; 王天琪; 徐海莹; 黄豹彪; 王宝强
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-04-21
Anticipated expiration: 2029-04-19

Abstract

An inner supporting device for a coal mine relates to a supporting device, in particular to an inner supporting device for a coal mine. The utility model discloses a solve current colliery under bracing device and all link up various section bars through the bolt with various section bars, then support the mine top, not only build speed slowly, take in the big problem of occupation space when preserving moreover. The utility model discloses a roof, stand, battery, upper arm subassembly and lower arm subassembly, the roof level sets up, roof upper surface and the contact of top surface in the pit, the vertical setting of stand, upper arm subassembly is connected with the upper end of stand, just upper arm subassembly and the lower surface contact of roof, lower arm subassembly is connected with the lower extreme of stand, just lower arm subassembly and ground contact in the pit, battery fixed mounting is on the outer wall of stand, and the battery does upper arm subassembly with lower arm subassembly provides electric power. The utility model belongs to the coal mine machinery field.

Description

Coal mine inner support device

Technical Field

The utility model relates to a strutting arrangement, concretely relates to support device in colliery belongs to colliery machinery.

Background

When the coal mine is operated in a well, the top in the coal mine is often supported temporarily to prevent the occurrence of underground collapse accidents. The existing coal mine lower supporting device connects various sectional materials through bolts, then supports the top of a mine, is low in building speed, and occupies a large space when being stored.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current colliery in pit under bracing device and all link up various section bars through the bolt, then support the mine top, not only build speed slowly, take in the big problem of occupation space when preserving moreover, and then propose a colliery in the pit under bracing device.

The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be: the utility model discloses a roof, stand, battery, upper arm subassembly and lower arm subassembly, the roof level sets up, roof upper surface and the contact of top surface in the pit, the vertical setting of stand, upper arm subassembly is connected with the upper end of stand, just upper arm subassembly and the lower surface contact of roof, lower arm subassembly is connected with the lower extreme of stand, just lower arm subassembly and ground contact in the pit, battery fixed mounting is on the outer wall of stand, and the battery does upper arm subassembly with lower arm subassembly provides electric power.

Further, the upper limbs arm component includes the support arm, go up electric hydraulic cylinder and upper shoe, the one end of going up the support arm is articulated with the upper end of stand, the lower surface of going up the support arm is equipped with the spout along its length direction, upper shoe cartridge is in last spout, and upper shoe can follow upper chute inner wall rectilinear movement, it is articulated with the inside wall of stand to go up electric hydraulic cylinder's cylinder body, it is articulated with the upper shoe to go up electric hydraulic cylinder's piston rod, the current input part of going up electric hydraulic cylinder is connected with the current output end of battery, go up the lower surface contact of support arm after the expansion with the roof.

Further, the lower arm component includes lower support arm, lower electric hydraulic cylinder and lower slider, the one end of lower support arm is articulated with the lower extreme of stand, the upper surface of lower support arm is equipped with down the spout along its length direction, lower slider cartridge is held between the fingers at spout down, and lower slider can follow lower chute inner wall rectilinear movement, lower electric hydraulic cylinder's cylinder body is articulated with the inside wall of stand, lower electric hydraulic cylinder's piston rod is articulated with the lower slider, lower electric hydraulic cylinder's current input end is connected with the current output end of battery, lower arm is opened the back and is contacted with ground in the pit.

Furthermore, the lower support arm assembly further comprises at least two fixing anchors, the upper surface of the lower support arm is provided with at least two through holes, and one fixing anchor is inserted into each through hole.

The utility model has the advantages that: the utility model can be rapidly unfolded to support the underground top surface under the driving of the two electric hydraulic cylinders, and compared with the existing supporting device, the building speed is improved by more than three times; after the utility model is used, the two electric hydraulic cylinders can be contracted into a strip-shaped body, which is convenient for storage and small in occupied space when in storage; the utility model discloses simple structure, convenient operation is swift.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The first embodiment is as follows: the embodiment is described by combining fig. 1, and the coal mine inner support device in the embodiment comprises a top plate 1, a stand column 2, a storage battery 3, an upper support arm assembly and a lower support arm assembly, wherein the top plate 1 is horizontally arranged, the upper surface of the top plate 1 is contacted with the underground top surface, the stand column 2 is vertically arranged, the upper support arm assembly is connected with the upper end of the stand column 2, the upper support arm assembly is contacted with the lower surface of the top plate 1, the lower support arm assembly is connected with the lower end of the stand column 2, the lower support arm assembly is contacted with the underground ground, the storage battery 3 is fixedly installed on the outer wall of the stand column 2, and the storage battery 3 provides.

The second embodiment is as follows: the upper limb arm assembly of the coal mine internal support device is described by combining fig. 1, and comprises an upper support arm 4, an upper electric hydraulic cylinder 5 and an upper sliding block 6, wherein one end of the upper support arm 4 is hinged with the upper end of an upright post 2, the lower surface of the upper support arm 4 is provided with an upper sliding chute 4-1 along the length direction, the upper sliding block 6 is inserted in the upper sliding chute 4-1, the upper sliding block 6 can linearly move along the inner wall of the upper sliding chute 4-1, the cylinder body 5-1 of the upper electric hydraulic cylinder 5 is hinged with the inner side wall of the upright post 2, the piston rod 5-2 of the upper electric hydraulic cylinder 5 is hinged with the upper sliding block 6, the current input end of the upper electric hydraulic cylinder 5 is connected with the current output end of a storage battery 3, and the upper support arm 4.

So set up, battery 3 provides electric power for last electric hydraulic cylinder 5, starts electric hydraulic cylinder 5, and the piston rod 5-2 of last electric hydraulic cylinder 5 promotes upper sliding block 6 and outwards slides in last spout 4-1, and upper support arm 4 gradually expandes to finally tightly press roof 1 on the top surface in the well. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the embodiment is described with reference to fig. 1, and the lower support arm assembly of the coal mine internal support device in the embodiment comprises a lower support arm 7, a lower electric hydraulic cylinder 8 and a lower slider 9, wherein one end of the lower support arm 7 is hinged to the lower end of an upright post 2, a lower chute 7-1 is arranged on the upper surface of the lower support arm 7 along the length direction of the lower support arm, the lower slider 9 is inserted into the lower chute 7-1 to be pinched, the lower slider 9 can linearly move along the inner wall of the lower chute 7-1, a cylinder body 8-1 of the lower electric hydraulic cylinder 8 is hinged to the inner wall of the upright post 2, a piston rod 8-2 of the lower electric hydraulic cylinder 8 is hinged to the lower slider 9, the current input end of the lower electric hydraulic cylinder 8 is connected with the current output end of a storage.

According to the arrangement, the storage battery 3 supplies power to the lower electric hydraulic cylinder 8, the lower electric hydraulic cylinder 8 is started, the piston rod 8-2 of the lower electric hydraulic cylinder 8 pushes the lower sliding block 9 to slide outwards in the lower sliding groove 7-1, and the lower supporting arm 7 gradually expands and finally covers the underground ground. Other components and connections are the same as those in the first embodiment.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1, the lower support arm assembly of the coal mine internal support device further includes at least two anchor bolts 10, the upper surface of the lower support arm 7 is provided with at least two through holes 7-2, and one anchor bolt 10 is inserted into each through hole 7-2.

So set up, can improve the firm degree of being connected between lower support arm 7 and the ground in the pit. Other components and connection relationships are the same as those in the third embodiment.

Principle of operation

When the device is used, the upper electric hydraulic cylinder 5 is started, a piston rod 5-2 of the upper electric hydraulic cylinder 5 pushes the upper sliding block 6 to slide outwards in the upper sliding groove 4-1, the upper supporting arm 4 is gradually unfolded, and finally the top plate 1 is tightly pressed on the top surface in the well; and starting the lower electric hydraulic cylinder 8, pushing a lower sliding block 9 to slide outwards in the lower sliding groove 7-1 by a piston rod 8-2 of the lower electric hydraulic cylinder 8, gradually unfolding the lower support arm 7, finally pressing and covering the underground ground, and then inserting the fixing anchor 10 into the through hole 7-2 to complete the supporting operation.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A coal mine inner supporting device is characterized in that: the utility model provides a colliery is interior strutting arrangement includes roof (1), stand (2), battery (3), goes up arm component and lower arm component, and roof (1) level sets up, roof (1) upper surface and the contact of top surface in the pit, the vertical setting of stand (2), it is connected with the upper end of stand (2) to go up the arm component, just go up the lower surface contact of arm component and roof (1), lower arm component is connected with the lower extreme of stand (2), just lower arm component and the ground contact in the pit, battery (3) fixed mounting on the outer wall of stand (2), battery (3) do go up the arm component with lower arm component provides electric power.

2. The coal mine shaft inner support device according to claim 1, wherein: the upper supporting arm assembly comprises an upper supporting arm (4), an upper electric hydraulic cylinder (5) and an upper sliding block (6), one end of the upper supporting arm (4) is hinged to the upper end of the upright post (2), an upper sliding groove (4-1) is formed in the lower surface of the upper supporting arm (4) along the length direction of the upper supporting arm, the upper sliding block (6) is inserted into the upper sliding groove (4-1), the upper sliding block (6) can linearly move along the inner wall of the upper sliding groove (4-1), the cylinder body (5-1) of the upper electric hydraulic cylinder (5) is hinged to the inner side wall of the upright post (2), a piston rod (5-2) of the upper electric hydraulic cylinder (5) is hinged to the upper sliding block (6), the current input end of the upper electric hydraulic cylinder (5) is connected with the current output end of the storage battery (3), and the upper supporting arm (4.

3. The coal mine shaft inner support device according to claim 1, wherein: the lower support arm assembly comprises a lower support arm (7), a lower electric hydraulic cylinder (8) and a lower sliding block (9), one end of the lower support arm (7) is hinged to the lower end of the upright post (2), a lower sliding groove (7-1) is formed in the upper surface of the lower support arm (7) along the length direction of the lower support arm, the lower sliding block (9) is inserted in the lower sliding groove (7-1) to be pinched, the lower sliding block (9) can linearly move along the inner wall of the lower sliding groove (7-1), a cylinder body (8-1) of the lower electric hydraulic cylinder (8) is hinged to the inner side wall of the upright post (2), a piston rod (8-2) of the lower electric hydraulic cylinder (8) is hinged to the lower sliding block (9), the current input end of the lower electric hydraulic cylinder (8) is connected with the current output end of the storage battery (3), and.

4. The coal mine shaft inner support device according to claim 3, wherein: the lower arm assembly further comprises at least two fixed anchors (10), the upper surface of the lower arm (7) is provided with at least two through holes (7-2), and one fixed anchor (10) is inserted into each through hole (7-2).