CN218930222U

CN218930222U - Rotary hydraulic single column stacking device

Info

Publication number: CN218930222U
Application number: CN202221849823.8U
Authority: CN
Inventors: 何兴霖; 何泽霖
Original assignee: Jinneng Holding Coal Group Co Ltd
Current assignee: Jinneng Holding Coal Group Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-04-28
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to an auxiliary device for underground mining, in particular to a rotary hydraulic single column stacking device; the device comprises a base, wherein a mandrel is fixed on the base, a rotating column is movably sleeved on the outer side of the mandrel, the rotating column can rotate relative to the base, and a top disc, a hoop disc and a bottom disc are sequentially sleeved on the rotating column from top to bottom; the chassis is provided with a plurality of column nest holes along the circumferential direction, the positions of the edges of the anchor ear discs corresponding to the column nest holes are connected with a plurality of anchor ears, and the positions of the edges of the top disc corresponding to the anchor ears are provided with arc-shaped notches. Thoroughly solves the technical problem that the underground hydraulic single column of the coal mine is damaged, reduces the labor intensity of workers, saves the time cost and reduces the occupation of the field. The device is suitable for stacking and protecting the fully mechanized coal mining face, the tunneling face and various spare monomers in the cavern, reduces the labor intensity of workers, improves the quality standardization and has extremely wide application and popularization values.

Description

Rotary hydraulic single column stacking device

Technical Field

The utility model relates to an auxiliary device for underground mining, in particular to a rotary hydraulic single column stacking device.

Background

In view of the importance of the end head of the fully mechanized mining face and the advanced support, the hydraulic single support is matched with the pi-shaped steel beam for support by the backing coal mine fully mechanized mining team, and the quality of the support is directly related to the safety production.

In the supporting mode, the two ends of the working face and the hydraulic single columns used in advance are more in quantity, and the quantity of the hydraulic single columns accounts for about 60% of the supporting material, and the hydraulic single columns are damaged frequently. According to the management requirement, 10% -20% of hydraulic single struts are needed to be prepared in advance of the roadway, and normal replacement of supporting materials is guaranteed. The vertical placement of the spare monomer in the roadway can cause the following adverse consequences: firstly, the hydraulic single three-way valve is easy to be blocked by coal slime or corroded and cannot be used; secondly, the hydraulic single three-way valve is easy to collide and damage in the placing process; thirdly, the hydraulic monomer is vertically placed in the roadway and occupies a larger space; finally, along with the forward pushing of the fully mechanized mining face, the standby monomers need to move outwards one by one, so that the labor intensity of workers is increased, and the time cost of the workers is increased.

Disclosure of Invention

The utility model provides a rotary hydraulic single column stacking device aiming at the defect of a coal mine fully-mechanized coal mining face advanced hydraulic single column stacking mode. Thoroughly solves the technical problem that the underground hydraulic single column of the coal mine is damaged, reduces the labor intensity of workers, saves the time cost and reduces the occupation of the field.

In order to solve the technical problems, the utility model adopts the following technical scheme: the rotary type hydraulic single column stacking device comprises a base, wherein a mandrel is fixed on the base, a rotary column is movably sleeved on the outer side of the mandrel, the rotary column can rotate relative to the base, and a top disc, a hoop disc and a bottom disc are sequentially sleeved on the rotary column from top to bottom; the chassis is provided with a plurality of column nest holes along the circumferential direction, the positions of the edges of the anchor ear discs corresponding to the column nest holes are connected with a plurality of anchor ears, and the positions of the edges of the top disc corresponding to the anchor ears are provided with arc-shaped notches.

When the hydraulic single column is stored, the hydraulic single column is inserted into the column nest hole of the chassis, the middle part of the hydraulic single column is limited by the anchor ear, the top of the hydraulic single column is inserted into the arc-shaped notch, and when the single column is stacked, the stacking device can be rotated, so that stacking work can be completed, and the labor intensity of workers is reduced. When the hydraulic single column is used, the hoop is only required to be opened, and the hydraulic single column is pulled out from the column nest hole.

Compared with the prior art, the utility model has the following beneficial effects:

the design of the hydraulic monomer stacking device meets the requirements of mechanical strength, stability, rotation sustainability, moving convenience, attractive appearance and the like through strict calculation.

When the single prop is stacked, the stacking device can be rotated, so that stacking work can be completed, and the labor intensity of workers is reduced. Meanwhile, the phenomenon that the three-way valve is blocked by the slime horizontally placed in the roadway and damaged by collision is avoided.

Along with the stoping of working face, can be convenient move reserve hydraulic pressure monomer post, only need to wholly move the back to hydraulic pressure monomer stacking device again fixed can, greatly reduced workman's intensity of labour.

The device is suitable for stacking and protecting the fully mechanized coal mining face, the tunneling face and various spare monomers in the cavern, reduces the labor intensity of workers, improves the quality standardization and has extremely wide application and popularization values.

Drawings

Fig. 1 is a schematic structural diagram of the practical device.

Fig. 2 is a schematic diagram of a connection structure between a spin column and a mandrel and a base.

The figures are labeled as follows:

the device comprises a base, a core shaft, a 3-rotating column, a 4-top disc, a 5-hoop disc, a 6-bottom disc, a 7-column nest hole, an 8-hoop, a 9-arc notch, a 10-large shaft, an 11-first bearing seat, a 12-first bearing, a 13-third bearing seat, a 14-third bearing, a 15-second bolt, a 16-large end cover, a 17-bolt, a 18-first bolt, a 19-second bearing seat, a 20-second bearing seat, a 21-small end cover and a 22-nut.

Detailed Description

The utility model is further illustrated below with reference to specific examples.

Examples

As shown in fig. 1, the rotary hydraulic single column stacking device comprises a base 1, wherein a mandrel 2 is fixed on the base 1, a rotary column 3 is movably sleeved on the outer side of the mandrel 2, the rotary column 3 can rotate relative to the base 1, and a top disc 4, a hoop disc 5 and a bottom disc 6 are sequentially sleeved on the rotary column 3 from top to bottom; the chassis 6 has offered a plurality of post nest holes 7 along its circumference, and post nest hole 7 sets up the edge at bottom plate 6, and staple bolt dish 5 edge and post nest hole 7 want the position department that corresponds to be connected with a plurality of staple bolts 8, and arc breach 9 has been seted up to the position department that top disc 4 edge and staple bolt 8 correspond, arc breach is semi-circular.

Further, as shown in fig. 2, in order to make the rotation of the rotating column smooth and keep stable, the base 1 is fixed with the large shaft 10, the bottom of the large shaft 10 is fixedly embedded in the base 1, a part of the large shaft 10 extending out of the base 1 is sleeved with the first bearing seat 11 and the first bearing 12, in order to make the rotation of the rotating column smooth and convenient for disassembly and maintenance, a third bearing seat 13 and a third bearing 14 are arranged above the first bearing 12, the third bearing seat 13 is fixedly connected with the rotating column 3 through a second bolt 15, a large end cover 16 is arranged above the third bearing 14, the large end cover 16 is fixedly connected with the large shaft 10 through a bolt 17, a slot is arranged at the upper end of the large end cover 16, the mandrel 2 is inserted in the slot, the second bearing seat 19 is fixed in the top end of the rotating column 3 through a first bolt 18, a second bearing 20 is arranged in the second bearing seat 19, the upper end of the mandrel 2 is sleeved with the second bearing 20, a small end cover 21 and a nut 22 are arranged at the top of the mandrel 2, and after the nut 22 is screwed tightly, the small end cover 21 compresses the second bearing 20.

Further, the second bearing 20 and the third bearing 14 are deep groove ball bearings, and the first bearing 12 is an eccentric ball bearing.

Further, the first bolt 18 and the second bolt 15 are hexagon socket head cap bolts.

Further, the diameter of the bottom plate 6 is 1.2m, the diameters of the top plate 4 and the anchor ear plate 5 are 1m, the diameters of the anchor ear 8 and the column nest hole 7 are 110mm, and the diameter of the rotary column 3 is 150mm.

During storage, the hydraulic single column is inserted into the column nest hole 7 of the chassis 6, the middle part of the hydraulic single column is limited by the anchor ear 8, the top of the hydraulic single column is inserted into the arc notch 9, and when the single column is stacked, the stacking device can be rotated, so that stacking work can be completed, and the labor intensity of workers is reduced. When in use, the hoop 8 is only required to be opened, and the hydraulic single column is pulled out from the column nest hole 7.

The device plays a great role in protecting the standby monomer from damage, improves the quality standardization, reduces the labor intensity of workers and improves the working efficiency. The device is suitable for stacking and protecting the fully mechanized coal mining face, the tunneling face and various spare monomers in the cavern, reduces the labor intensity of workers, improves the quality standardization and has extremely wide application and popularization values.

The design of the hydraulic single column stacking device meets the requirements of mechanical strength, stability, rotation sustainability, moving convenience, attractive appearance and the like through strict calculation.

Along with the stoping of working face, can be convenient move reserve hydraulic monomer, only need to put things in good order the device wholly to hydraulic monomer and move the back again fixed can, greatly reduced workman's intensity of labour.

After the device is used, the phenomenon that the monomer is damaged due to bruise and corrosion is hardly generated, the occurrence of the event is radically stopped, and a key step is provided for saving transition of the coal mine at present.

Claims

1. The utility model provides a rotary type hydraulic single column stacking device which is characterized in that, including base (1), be fixed with dabber (2) on base (1), the outside activity of dabber (2) has cup jointed column spinner (3), and column spinner (3) can rotate relative to base (1), top-down has cup jointed top disc (4), staple bolt dish (5) and chassis (6) on column spinner (3) in proper order; the chassis (6) is provided with a plurality of column nest holes (7) along the circumferential direction, the positions of the edges of the anchor ear discs (5) and the column nest holes (7) which are supposed to correspond are connected with a plurality of anchor ears (8), and the positions of the edges of the top disc (4) and the anchor ears (8) which are corresponding are provided with arc-shaped notches (9).

2. The rotary hydraulic single column stacking device according to claim 1, characterized in that a large shaft (10) is fixed on the base (1), the bottom of the large shaft (10) is fixedly embedded in the base (1), a part of the large shaft (10) extending out of the base (1) is sleeved with a first bearing seat (11) and a first bearing (12), a third bearing seat (13) and a third bearing (14) are arranged above the first bearing (12), the third bearing seat (13) is fixedly connected with the rotary column (3) through a second bolt (15), a large end cover (16) is arranged above the third bearing (14), the large end cover (16) is fixedly connected with the large shaft (10) through a bolt (17), the upper end of the large end cover (16) is provided with a slot, a mandrel (2) is inserted in the slot, the top end of the rotary column (3) is fixedly provided with a second bearing seat (19) through a first bolt (18), the second bearing (20) is arranged in the second bearing seat (19), the upper end of the mandrel (2) is sleeved with a second bearing seat (20), the top end of the mandrel (2) is provided with a small end cover (21) and a small end cover (21) is screwed down, and the small end cover (21) is screwed.

3. The rotary hydraulic single column stacking device according to claim 1, wherein the second bearing (20) and the third bearing (14) are deep groove ball bearings, and the first bearing (12) is an eccentric ball bearing.

4. The rotary hydraulic single column stacking device according to claim 1, wherein the first bolt (18) and the second bolt (15) are hexagon socket head cap bolts.

5. The rotary hydraulic single column stacking device according to claim 1, wherein the diameter of the chassis (6) is 1.2m, the diameters of the top disc (4) and the hoop disc (5) are 1m, the diameters of the hoops (8) and the column nest holes (7) are 110mm, and the diameter of the rotary column (3) is 150mm.