CN213684166U

CN213684166U - Anti-skid column shoe for single hydraulic prop of coal mine

Info

Publication number: CN213684166U
Application number: CN202022841599.5U
Authority: CN
Inventors: 高升; 高钰滢
Original assignee: Xuzhou Huaze Engineering Materials Co ltd
Current assignee: Xuzhou Huaze Engineering Materials Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-13
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a colliery hydraulic prop antiskid column shoes, including square groove, jack catch and cover cylinder seat, the circular chassis of square groove lower extreme fixedly connected with, square groove left side fixedly connected with triangular support piece, square groove upper end fixed mounting has the angle fixed block, and fixedly connected with bolt in the middle of the angle fixed block to bolt rear end fixed mounting has the pull ring, square inslot portion right side fixed mounting has the hinge, the inboard fixed mounting of jack catch has rubber antislip strip, jack catch left side fixedly connected with locking bolt, the solid fixed ring of jack catch front end fixedly connected with second, and the solid fixed ring downside fixed mounting of second has the iron chain, cover cylinder seat upper end fixed mounting has the sleeve, cover cylinder seat left side fixedly connected with bolt. This colliery hydraulic prop antiskid column shoe not only conveniently follows the unsettled removal of pillar, can also use for a long time and not fragile on uneven subaerial to can angle regulation, conveniently support the multi-angle and support.

Description

Anti-skid column shoe for single hydraulic prop of coal mine

Technical Field

The utility model relates to a strut apparatus technical field specifically is a colliery hydraulic prop antiskid column shoe.

Background

The column shoe is disc-shaped, the central plane is a concave spherical surface, the periphery of the column shoe is a column protection surface with annular inclined planes, an annular inner ring platform is arranged on the column protection surface, upper and lower radial reinforcing ribs are arranged between the inner ring platform and the outer ring platform to increase the pressure resistance and the shearing resistance of the column shoe, and grooves are arranged among the reinforcing ribs. As is known, the underground operation of mines must adopt a supporting and protecting frame of a mining working surface; at present, pillars on coal mining working surfaces of coal mines mostly adopt wood plates as pillar shoes and cast iron pillar shoes, and sometimes adopt nylon steel as the pillar shoes. There are two types of column shoes used in mines: the first one is fixed, and the bottom of the pillar is inserted into the sleeve of the pillar shoe seat, and the pillar shoe seat are pressed together by screws around the pillar. The second one is non-fixed, which is to put the bottom of the prop directly into the sleeve on the shoe base and not fixed, when the prop and the top beam move together, the person pulls the pull ring on the shoe base.

However, the conventional column shoe has the following problems:

the two types of column shoes used under a mine have the defects that the fixed type has no moving amount between a support and a column shoe seat, when the support of the support is slightly inclined, the column shoe is extremely easy to damage, and is not easy to detach from the support after being damaged, and the non-fixed type has the defects that: when four pillars connected with a top beam are suspended and moved simultaneously, four people are required to drag four pillar shoe seats simultaneously, so that the working efficiency is low, the labor intensity is high, the upper and lower care is required, the safety is high, the common pillar shoes cannot be supported at multiple angles in an inclined mode, and the inconvenience is caused when complex coal seams with large inclined angles are mined.

Aiming at the problems, innovative design is urgently needed on the basis of the original column shoe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery hydraulic prop antiskid column shoe to solve above-mentioned background art and propose two kinds of column shoes that the mine used in the pit all have a shortcoming, fixed shortcoming is, there is not the activity between pillar and the column shoe seat, when the pillar supports and has the slope slightly, the column shoe is very easily damaged, and bad back is difficult to dismantle from the pillar and gets off, and non-fixed shortcoming is: when four pillars connected with a top beam are suspended and moved simultaneously, four people are required to drag four pillar shoe seats simultaneously, so that the working efficiency is low, the labor intensity is high, the upper and lower care is required, the safety is high, the common pillar shoes cannot be supported obliquely, and the inconvenience is caused when complex large-inclination coal seams are mined.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine single hydraulic prop anti-skid column shoe comprises a square groove, a clamping jaw and a sleeve seat, wherein the lower end of the square groove is fixedly connected with a circular chassis, a rubber antiskid block is fixedly arranged at the lower end of the circular chassis, a triangular supporting block is fixedly connected at the upper end of the left side of the circular chassis, a triangular supporting block is fixedly connected at the left side of the square groove, a first fixing ring is fixedly arranged in the middle of the triangular supporting block, an iron chain is fixedly connected at the upper side of the first fixing ring, an angle fixing block is fixedly arranged at the upper end of the square groove, a bolt is fixedly connected in the middle of the angle fixing block, a pull ring is fixedly arranged at the rear end of the bolt, a hinge is fixedly arranged at the right side in the square groove, a rubber antiskid strip is fixedly arranged at the inner side of the clamping jaw, the sleeve is fixedly mounted at the upper end of the sleeve seat, a hinge is fixedly mounted on the right side of the sleeve seat, and a bolt is fixedly connected to the left side of the sleeve seat.

Preferably, circular chassis front and back symmetry is equipped with 2 iron chains, and 2 jack catchs are connected through 2 iron chains to circular chassis to 2 jack catchs form detachable construction through 2 groups of locking bolt.

Preferably, the surface area of the bottom of the circular chassis is the same as that of the rubber antiskid block, 4 triangular supporting blocks are arranged at the upper end of the circular chassis at equal angles, and the circular chassis is connected with the square groove through the 4 triangular supporting blocks.

Preferably, 2 angle fixed blocks are symmetrically installed at the front and back of the upper end of the square groove, 5 round holes are distributed on the angle fixed blocks in a fan shape at equal angles, and the length of the bolt is larger than the distance between the 2 angle fixed blocks.

Preferably, the sleeve seat forms a rotating structure with the square groove through the hinge, a round hole is formed in the left side of the sleeve seat, and the diameter of the round hole in the sleeve seat is the same as that of the round hole in the angle fixing block.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-slip column shoe of the single hydraulic support in the coal mine not only is convenient to move in the air along with the suspension of the support, but also can be used on uneven ground for a long time without being easily damaged, and the angle of the sleeve can be adjusted, so that multi-angle support is convenient to support;

1. the round chassis is symmetrically provided with 2 iron chains in front and back, the round chassis is connected with 2 clamping jaws through the 2 iron chains, the 2 clamping jaws form a detachable structure through 2 groups of locking bolts, when a column shoe is connected with a pillar, the 2 clamping jaws are fixed on the pillar, and the clamping jaws are connected with the round chassis through the iron chains, so that the round chassis can conveniently follow the pillar to move in the air;

2. 2 angle fixing blocks are symmetrically arranged at the front and back of the upper end of the square groove, 5 round holes are distributed on the angle fixing blocks in a fan-shaped equal angle mode, the sleeve seat and the square groove form a rotating structure through a hinge, the sleeve seat is rotated to enable the round holes in the sleeve seat to be aligned with the round holes in the angle fixing blocks, and then the sleeve seat is fixed through inserting a bolt, so that the sleeve can be used in multiple angles, and a prop shoe can conveniently support a prop in multiple angles;

3. the circular chassis lower extreme is equipped with the rubber non slipping spur, and circular chassis bottom surface is the same with the rubber non slipping spur surface area, and when the column shoes used, the rubber non slipping spur had increased the frictional force of column shoes for the column shoes are more firm.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is the schematic view of the jaw closing structure of the present invention.

In the figure: 1. a circular chassis; 2. a rubber anti-skid block; 3. an angle fixing block; 4. a first retaining ring; 5. an iron chain; 6. a square groove; 7. a claw; 8. a sleeve; 9. a hinge; 10. a triangular support block; 11. a sleeve seat; 12. a bolt; 13. rubber antislip strips; 14. locking the bolt; 15. a second retaining ring; 16. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a coal mine single hydraulic prop anti-skid column shoe comprises a circular chassis 1, a rubber antiskid block 2, an angle fixing block 3, a first fixing ring 4, an iron chain 5, a square groove 6, a clamping jaw 7, a sleeve 8, a hinge 9, a triangular supporting block 10, a sleeve seat 11, a bolt 12, a rubber antiskid strip 13, a locking bolt 14, a second fixing ring 15 and a pull ring 16, wherein the lower end of the square groove 6 is fixedly connected with the circular chassis 1, the lower end of the circular chassis 1 is fixedly provided with the rubber antiskid block 2, the upper end of the left side of the circular chassis 1 is fixedly connected with the triangular supporting block 10, the left side of the square groove 6 is fixedly connected with the triangular supporting block 10, the middle of the triangular supporting block 10 is fixedly provided with the first fixing ring 4, the upper side of the first fixing ring 4 is fixedly connected with the iron chain 5, the upper end of the square groove, and 12 rear end fixed mounting of bolt has pull

ring

16, 6 inside right sides fixed mounting in square groove have

hinge

9, 7 inboard fixed mounting of jack catch have

rubber antislip strip

13, 7 left sides fixed connection of jack catch have locking

bolt

14, 7 front end fixed connection of jack catch have the solid fixed ring of second 15, and the solid fixed ring of second 15 downside fixed mounting has

iron chain

5, 11 upper ends fixed mounting of cover cylinder seat have

sleeve

8, 11 right sides fixed mounting of cover cylinder seat has

hinge

9, 11 left sides fixed connection of cover cylinder seat have bolt 12.

In this example, the circular chassis 1 is provided with 2 iron chains 5 in front and back symmetry, and the circular chassis 1 is connected 2 jack catchs 7 through 2

iron chains

5, and 2 jack catchs 7 form detachable construction through 2 groups of locking bolt 14, when the column shoes and the pillar are connected, fixes 2 jack catchs 7 on the pillar, and jack catchs 7 are connected circular chassis 1 through iron chains 5 for conveniently follow the unsettled removal of pillar.

The surface area of the bottom of the circular chassis 1 is the same as that of the

rubber antiskid block

2, 4 triangular supporting blocks 10 are installed at equal angles at the upper end of the circular chassis 1, the circular chassis 1 is connected with the square groove 6 through the 4 triangular supporting blocks 10, when the column shoe is used, the friction force of the column shoe is increased by the rubber antiskid block 2, the column shoe is firmer, and the stability of the column shoe is improved through the 4 triangular supporting blocks 10.

2 angle fixed block 3 are installed to 6 upper ends front and back symmetries in square groove, and it has 5 round holes to be angle distribution such as fan-shaped on the angle fixed block 3, and the length of bolt 12 is greater than 2 angle fixed block 3's distance, sleeve barrel 11 passes through hinge 9 and forms rotating-structure with square groove 6, and sleeve barrel 11 left side is equipped with the round hole, and the round hole on the sleeve barrel 11 is the same with the round hole diameter on the angle fixed block 3, it aligns with the round hole on the angle fixed block 3 to rotate sleeve barrel 11 and make the round hole on the sleeve barrel 11, then insert 12 fixed sleeve barrel 11 of bolt, make sleeve 8 can the multi-angle use, make things convenient for the multi-.

The working principle is as follows: when using this colliery hydraulic prop antiskid column shoes, at first according to 2-3 show, if the right angle supports the pillar, lay down sleeve seat 11, insert bolt 12 in the hole of angle fixed block 3 below, keep off sleeve seat 11 upside through bolt 12, make sleeve 8 fix at the right angle, if the bracing pillar needs, at first stimulate pull ring 16 backward, take out bolt 12, then rotate sleeve seat 11 through hinge 9, according to the angle that needs, make the left round hole of sleeve seat 11 align with the round hole on the angle fixed block 3, then insert bolt 12, make bolt 12 run through sleeve seat 11 and angle fixed block 3, thereby the angle of fixed sleeve 8, make things convenient for multi-angle bracing pillar.

According to the figure 1, 4, the pillar is inserted into the

sleeve

8, 2 claws 7 are taken up, the 2 claws 7 wrap the pillar, the claws 7 are lifted upwards until the iron chain 5 is straightened, then the claws 7 are fixed on the pillar through 2 groups of locking bolts 14, and the claws 7 are tightly fixed on the pillar through rubber anti-skidding strips 13 and locking bolts 14 on the inner side, so that the shoe cannot fall off when the pillar is moved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a colliery hydraulic prop antiskid column shoe, includes square groove (6), jack catch (7) and cover barrel holder (11), its characterized in that: the lower end of the square groove (6) is fixedly connected with a circular chassis (1), the lower end of the circular chassis (1) is fixedly provided with a rubber anti-skid block (2), the upper end of the left side of the circular chassis (1) is fixedly connected with a triangular supporting block (10), the left side of the square groove (6) is fixedly connected with the triangular supporting block (10), the middle of the triangular supporting block (10) is fixedly provided with a first fixing ring (4), the upper side of the first fixing ring (4) is fixedly connected with an iron chain (5), the upper end of the square groove (6) is fixedly provided with an angle fixing block (3), the middle of the angle fixing block (3) is fixedly connected with a bolt (12), the rear end of the bolt (12) is fixedly provided with a pull ring (16), the right side of the inside of the square groove (6) is fixedly provided, jack catch (7) left side fixedly connected with locking bolt (14), the solid fixed ring of jack catch (7) front end fixedly connected with second (15), and the solid fixed ring of second (15) downside fixed mounting have iron chain (5), cover barrel seat (11) upper end fixed mounting has sleeve (8), cover barrel seat (11) right side fixed mounting has hinge (9), cover barrel seat (11) left side fixedly connected with bolt (12).

2. The anti-skid column shoe for the single hydraulic prop in the coal mine according to claim 1, wherein: circular chassis (1) front and back symmetry is equipped with 2 iron chains (5), and 2 jack catchs (7) are connected through 2 iron chains (5) in circular chassis (1) to 2 jack catchs (7) form detachable construction through 2 groups of locking bolt (14).

3. The anti-skid column shoe for the single hydraulic prop in the coal mine according to claim 1, wherein: the surface area of the bottom of the round chassis (1) is the same as that of the rubber antiskid block (2), 4 triangular supporting blocks (10) are installed at the upper end of the round chassis (1) at equal angles, and the round chassis (1) is connected with the square groove (6) through the 4 triangular supporting blocks (10).

4. The anti-skid column shoe for the single hydraulic prop in the coal mine according to claim 1, wherein: the utility model discloses a bolt, including square groove (6), angle fixed block (3) are installed to square groove (6) upper end front and back symmetry, and are fan-shaped equiangular distribution on angle fixed block (3) and have 5 round holes to the length of bolt (12) is greater than the distance of 2 angle fixed blocks (3).

5. The anti-skid column shoe for the single hydraulic prop in the coal mine according to claim 1, wherein: the sleeve seat (11) forms a rotating structure with the square groove (6) through the hinge (9), a round hole is formed in the left side of the sleeve seat (11), and the diameter of the round hole in the sleeve seat (11) is the same as that of the round hole in the angle fixing block (3).