CN214464282U

CN214464282U - Supporting device for coal mining and tunneling

Info

Publication number: CN214464282U
Application number: CN202120030784.8U
Authority: CN
Inventors: 种欲伟
Original assignee: Shanxi Fuda Hengye Mining Machinery Manufacturing Co ltd
Current assignee: Shanxi Fuda Hengye Mining Machinery Manufacturing Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-22
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a strutting arrangement for coal mining tunnelling, including base and dead lever, the top of base is provided with first pneumatic cylinder, the dead lever is connected in the below of first pivot, the movable rod is installed to the below of bolt, the top of first tight pulley is connected with the second pneumatic cylinder, the top of hydraulic stem is connected with the second tight pulley, the slipmat is installed to the top of roof, the left side of second pivot is provided with installs the sliding chamber, the outside of shock attenuation pole is provided with the spring, the inside in sliding chamber is provided with the piston, the dovetail is all installed to the left and right sides of roof. This strutting arrangement is provided with landing leg, movable rod, bolt and dead lever for can be fine support with ground, and be provided with second tight pulley, hydraulic stem, second hydraulic cylinder and roof, can support the grit of side, be provided with spring, shock attenuation pole and piston and smooth chamber simultaneously, make to have possessed shock-absorbing function.

Description

Supporting device for coal mining and tunneling

Technical Field

The utility model relates to a strutting arrangement technical field specifically is a strutting arrangement is used in coal mining tunnelling.

Background

Coal mining is to separate valuable coal from the underground or ground surface and transport the coal out of the site, the coal is used as a mineral resource, plays an important role in the existing industrial mining production, and has multiple functions of energy brightening, power generation, energy supply and the like, but the tunneling excavation is needed to be carried out in a mine tunnel during coal mining, so a good supporting device is needed to support an upper stone layer.

The supporting device on the existing market is used in work, the stability of the device is poor, the supporting stability with the ground cannot be good, the supporting effect of the device is incomplete, the sand and stone on the side are easy to leak, the device does not have a damping function, and the problem that the base below is unstable is easy to cause is solved.

In order to solve the problems, innovative design is urgently needed on the basis of the original supporting device, and therefore a supporting device for coal mining and tunneling is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strutting arrangement is used in coal mining tunnelling to solve the current strutting arrangement on the market that proposes in the above-mentioned background art and exist in the in-service use, the stability of device is not good, can not be fine support stability with ground, and the support effect of device is imperfect, leads to the grit of side to cause easily and leaks, and the device does not possess shock-absorbing function simultaneously, leads to the base of below very unstable problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting device for coal mining and tunneling comprises a base and a fixed rod, wherein a first hydraulic cylinder is arranged above the base, first rotating shafts are arranged on the left side and the right side of the first hydraulic cylinder, the fixed rod is connected below the first rotating shafts, a bolt is arranged on the outer wall of the fixed rod, a movable rod is arranged below the bolt, a support leg is fixed below the movable rod, a stand column is arranged above the first hydraulic cylinder, first fixed wheels are arranged on the left side and the right side of the stand column, a second hydraulic cylinder is connected above the first fixed wheels, a hydraulic rod is arranged above the second hydraulic cylinder, a second fixed wheel is connected above the hydraulic rod, a top plate is arranged above the second fixed wheel, an anti-skid pad is arranged above the top plate, a second rotating shaft is arranged on the left side of the anti-skid pad, a sliding cavity is arranged on the left side of the second rotating shaft, and the top of the sliding cavity is connected with a damping rod, a spring is arranged outside the damping rod, a supporting plate is arranged above the spring, a piston is arranged inside the sliding cavity, dovetail grooves are arranged on the left side and the right side of the top plate, and a clamping block is arranged above the dovetail grooves.

Preferably, the supporting legs and the movable rods form a telescopic structure with the first rotating shaft through the matching between the bolts and the fixed rods, and the first rotating shaft, the fixed rods and the movable rods are symmetrically distributed about the vertical center line of the first hydraulic cylinder.

Preferably, the second fixed wheel and the first fixed wheel form a movable structure through the matching between the hydraulic rod and the second hydraulic cylinder, and the second fixed wheel, the hydraulic rod and the second hydraulic cylinder are symmetrically distributed about the vertical center line of the upright column.

Preferably, the anti-slip mat forms a turnover structure with the upright column through the matching between the top plate and the second rotating shaft, and the top plate is connected with the upright column through a hinge.

Preferably, the supporting plate and the sliding cavity form an elastic structure through the cooperation between the spring, the damping rods and the piston, and the damping rods are distributed at equal intervals relative to the surface of the supporting plate.

Preferably, the non-slip mat forms detachable construction with the roof through the cooperation between fixture block and the dovetail, and is connected for the draw-in groove between non-slip mat and the roof.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this strutting arrangement for coal mining tunnelling is provided with the landing leg, the movable rod, bolt and dead lever, such design has improved the stability of this device greatly, the user is when using, can make the bolt relax, make the movable rod stretch out and draw back the removal in the dead lever pulling open the movable rod, pull open the movable rod after, insert subaerially at the landing leg of movable rod below, thereby the landing leg through both sides can be fine carry out the contact cooperation with ground, the large-scale holding capacity of top just can obtain fine outrigger like this.

2. This strutting arrangement for coal mining tunnelling is provided with the second tight pulley, the hydraulic stem, second hydraulic cylinder and roof, such design has improved the security of this device greatly, the user is when using, start the second hydraulic cylinder, the second hydraulic cylinder area hydraulic stem promotes the removal, thereby control the second tight pulley area roof of top and carry out the push motion, thereby can make the roof can carry out the motion that opens and shuts of multi-angle, be convenient for support the wall top of equidirectional not, place the grit side leakage.

3. This strutting arrangement for coal mining tunnelling is provided with spring, shock attenuation pole and piston and sliding chamber, and such design makes this device possess absorbing function, and if the bearing capacity of backup pad top is great when the user is using, accessible spring control the shock attenuation pole through the piston at the inside of sliding chamber move about, such design can be through spring and piston to the bearing capacity science buffering of top subtract power, avoids the too big pressure of below.

Drawings

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

FIG. 2 is a schematic view of the connecting structure of the shock-absorbing rod and the sliding chamber of the present invention;

fig. 3 is the schematic view of the decomposition structure of the top plate and the non-slip mat of the present invention.

In the figure: 1. a base; 2. a first hydraulic cylinder; 3. a first rotating shaft; 4. fixing the rod; 5. a bolt; 6. a movable rod; 7. a support leg; 8. a column; 9. a first fixed wheel; 10. a second hydraulic cylinder; 11. a hydraulic lever; 12. a second fixed wheel; 13. a top plate; 14. a non-slip mat; 15. a second rotating shaft; 16. a slide chamber; 17. a shock-absorbing lever; 18. a spring; 19. a support plate; 20. a piston; 21. a dovetail groove; 22. and (7) clamping blocks.

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. 1-3, the present invention provides a technical solution: a supporting device for coal mining and tunneling comprises a base 1 and a fixed rod 4, wherein a first hydraulic cylinder 2 is arranged above the base 1, first rotating shafts 3 are respectively arranged on the left side and the right side of the first hydraulic cylinder 2, the fixed rod 4 is connected below the first rotating shafts 3, bolts 5 are arranged on the outer wall of the fixed rod 4, movable rods 6 are arranged below the bolts 5, supporting legs 7 are fixed below the movable rods 6, the supporting legs 7 and the movable rods 6 form a telescopic structure with the first rotating shafts 3 through the matching between the bolts 5 and the fixed rod 4, the first rotating shafts 3, the fixed rod 4 and the movable rods 6 are symmetrically distributed about the vertical central line of the first hydraulic cylinder 2, the supporting legs 7, the movable rods 6, the bolts 5 and the fixed rod 4 are arranged on the device, the stability of the device is greatly improved through the design, when a user uses the device, the bolts 5 can be loosened, after the movable rod 6 is pulled open, the movable rod 6 can move in the fixed rod 4 in a telescopic manner, after the movable rod 6 is pulled open, the support legs 7 below the movable rod 6 are inserted into the ground, so that the support legs 7 on two sides can be well contacted and matched with the ground, large bearing capacity on the upper side can be well stably supported, an upright post 8 is arranged above the first hydraulic cylinder 2, first fixed wheels 9 are arranged on the left side and the right side of the upright post 8, a second hydraulic cylinder 10 is connected above the first fixed wheels 9, a hydraulic rod 11 is arranged above the second hydraulic cylinder 10, a second fixed wheel 12 is connected above the hydraulic rod 11, a top plate 13 is arranged above the second fixed wheel 12, the second fixed wheel 12 forms a movable structure with the first fixed wheel 9 through matching between the hydraulic rod 11 and the second hydraulic cylinder 10, and the second fixed wheel 12, the hydraulic rod 11 and the second hydraulic cylinder 10 are symmetrically distributed about a vertical central line of the upright post 8, the device is provided with a second fixed wheel 12, a hydraulic rod 11, a second hydraulic cylinder 10 and a top plate 13, the safety of the device is greatly improved by the design, when a user uses the device, the second hydraulic cylinder 10 is started, the second hydraulic cylinder 10 drives the hydraulic rod 11 to move in a pushing mode, so that the second fixed wheel 12 above the top plate is controlled to drive the top plate 13 to move in a pushing mode, the top plate 13 can move in an opening and closing mode in multiple angles, wall tops in different directions can be conveniently supported, sand and stone side leakage can be prevented, a non-slip mat 14 is installed above the top plate 13, a second rotating shaft 15 is arranged on the left side of the non-slip mat 14, the non-slip mat 14 and the stand column 8 form a turnover structure through matching between the top plate 13 and the second rotating shaft 15, the top plate 13 is connected with the stand column 8 through a hinge, the design of the turnover structure can enable the top plate 13 of the device to move in an opening and closing mode in multiple angles, and the design of the hinge connection has the advantages of silence and large transmission stroke, the left side of the second rotating shaft 15 is provided with a sliding cavity 16, the upper part of the sliding cavity 16 is connected with a damping rod 17, the outer part of the damping rod 17 is provided with a spring 18, the upper part of the spring 18 is provided with a support plate 19, the inner part of the sliding cavity 16 is provided with a piston 20, the support plate 19 forms an elastic structure with the sliding cavity 16 through the matching of the spring 18, the damping rod 17 and the piston 20, and the damping rods 17 are distributed at equal intervals on the surface of the support plate 19, the device is provided with the spring 18, the damping rod 17, the piston 20 and the sliding cavity 16, the design enables the device to have the damping function, if the bearing force above the support plate 19 is larger when a user uses the device, the damping rod 17 is controlled by the spring 18 to move in the sliding cavity 16 through the piston 20, the design can scientifically buffer and reduce the bearing force above through the spring 18 and the piston 20, avoid the pressure of below too big, dovetail 21 is all installed to the left and right sides of roof 13, and dovetail 21's top is provided with fixture block 22, and slipmat 14 passes through the cooperation between fixture block 22 and the dovetail 21 and constitutes detachable construction with roof 13, and is connected for the draw-in groove between slipmat 14 and the roof 13, and detachable construction's design can make the slipmat 14 of this device light disassemble to the draw-in groove connection design has the advantage of being convenient for disassemble.

The working principle is as follows: the supporting device for coal mining and tunneling comprises the steps that a user needs to place a base 1 of the supporting device above the ground to be supported before using the supporting device, then bolts 5 are loosened, the movable rod 6 is pulled open to enable the movable rod 6 to move in a fixed rod 4 in a telescopic mode, after the movable rod 6 is pulled open, a supporting leg 7 below the movable rod 6 is inserted into the ground, the supporting leg 7 on the two sides can be well contacted and matched with the ground, therefore, large bearing capacity on the upper portion can be well stably supported, when the supporting device is not used, the supporting device can be turned and folded through a first rotating shaft 3, then when a first hydraulic cylinder 2 is started, the first hydraulic cylinder 2 drives a stand column 8 to ascend, then a supporting plate 19 is abutted and matched with a stone layer on the upper portion, and a spring 18, a damping rod 17, a piston 20 and a sliding cavity 16 are arranged below the supporting plate 19, the design enables the device to have a shock absorption function, if the bearing capacity above the supporting plate 19 is large when a user uses the device, the shock absorption rod 17 can be controlled by the spring 18 to move movably in the sliding cavity 16 through the piston 20, the design can scientifically buffer and reduce the force of the bearing capacity above the shock absorption rod through the spring 18 and the piston 20 to avoid overlarge pressure below the shock absorption rod, meanwhile, the second fixed wheel 12, the hydraulic rod 11, the second hydraulic cylinder 10 and the top plate 13 are arranged on the left side and the right side of the upright post 8, the design greatly improves the safety of the device, when the user uses the device, the second hydraulic cylinder 10 is started, the second hydraulic cylinder 10 drives the hydraulic rod 11 to move, the second fixed wheel 12 above the hydraulic cylinder is controlled to drive the top plate 13 to move, and the top plate 13 can perform multi-angle opening and closing movement, the supporting device is convenient to support wall tops in different directions, sand and stone side leakage is prevented, meanwhile, the anti-slip pad 14 is arranged above the top plate 13, the anti-slip pad 14 has a good anti-slip function, and the supporting device is connected with the dovetail groove 21 through the fixture block 22, so that disassembly is convenient, and the supporting device is a using process of the supporting device for coal mining and tunneling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal mining is strutting arrangement for tunnelling, includes base (1) and dead lever (4), its characterized in that: the hydraulic support is characterized in that a first hydraulic cylinder (2) is arranged above the base (1), a first rotating shaft (3) is installed on the left side and the right side of the first hydraulic cylinder (2), a fixed rod (4) is connected below the first rotating shaft (3), a bolt (5) is installed on the outer wall of the fixed rod (4), a movable rod (6) is installed below the bolt (5), a support leg (7) is fixed below the movable rod (6), a stand column (8) is installed above the first hydraulic cylinder (2), first fixed wheels (9) are installed on the left side and the right side of the stand column (8), a second hydraulic cylinder (10) is connected above the first fixed wheels (9), a hydraulic rod (11) is installed above the second hydraulic cylinder (10), a second fixed wheel (12) is connected above the hydraulic rod (11), and a top plate (13) is installed above the second fixed wheel (12), non-slip mat (14) are installed to the top of roof (13), and the left side of non-slip mat (14) is provided with second pivot (15), the left side of second pivot (15) is provided with installs smooth chamber (16), and the top of smooth chamber (16) is connected with shock-absorbing rod (17), the outside of shock-absorbing rod (17) is provided with spring (18), and the top of spring (18) is provided with backup pad (19), the inside of smooth chamber (16) is provided with piston (20), dovetail (21) are all installed to the left and right sides of roof (13), and the top of dovetail (21) is provided with fixture block (22).

2. A support device for coal mining excavation according to claim 1, characterized in that: landing leg (7), movable rod (6) pass through the cooperation between bolt (5) and dead lever (4) and constitute extending structure with first pivot (3), and all distribute about the vertical central line symmetry of first pneumatic cylinder (2) between first pivot (3), dead lever (4) and the movable rod (6).

3. A support device for coal mining excavation according to claim 1, characterized in that: the second fixed wheel (12) and the first fixed wheel (9) form a movable structure through the matching between the hydraulic rod (11) and the second hydraulic cylinder (10), and the second fixed wheel (12), the hydraulic rod (11) and the second hydraulic cylinder (10) are symmetrically distributed about the vertical center line of the upright post (8).

4. A support device for coal mining excavation according to claim 1, characterized in that: the anti-slip mat (14) forms a turnover structure with the upright post (8) through the matching between the top plate (13) and the second rotating shaft (15), and the top plate (13) is connected with the upright post (8) through a hinge.

5. A support device for coal mining excavation according to claim 1, characterized in that: the supporting plate (19) and the sliding cavity (16) form an elastic structure through the cooperation between the spring (18), the damping rods (17) and the piston (20), and the damping rods (17) are distributed at equal intervals on the surface of the supporting plate (19).

6. A support device for coal mining excavation according to claim 1, characterized in that: the antiskid pad (14) and the top plate (13) form a detachable structure through the matching between the clamping block (22) and the dovetail groove (21), and the antiskid pad (14) is connected with the top plate (13) through a clamping groove.