CN212867594U

CN212867594U - Coal mining anti-collapse support

Info

Publication number: CN212867594U
Application number: CN202020485699.6U
Authority: CN
Inventors: 袁华; 施玉荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-04-02
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a coal mining prevents support that collapses belongs to coal mining technical field, which comprises a base, the inside fixed mounting of base has the drive erector, fixed connection installs brill dress mechanism on the drive erector, base upper end welded mounting has the lift support column, lift support column top welded mounting has the plectane, the plectane upper end is connected through the screens pole and is installed the roof, connect the installation through buffer spring between plectane and the roof, other swing joint is equallyd divide at the roof both ends and installs branch, even a fixed mounting has pneumatic telescopic link through the installation on the branch inside wall, base lower extreme fixed mounting has stable piece. The utility model relates to a novelty, be convenient for operation and excellent in use effect have improved the supported effect in coal mine hole to make the mounting means of support convenient, and enough firm, prevent that the support from rocking and collapsing, still can have the shock attenuation buffer capacity to the hole top support in coal mine hole, improved support stability.

Description

Coal mining anti-collapse support

Technical Field

The utility model relates to a coal mining technical field especially relates to a coal mining prevents support that collapses.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a minery coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be excavated to an underground excavation roadway, so that the minery coal mine is the coal mine, most of the coal mines in China belong to the minery coal mine, the coal mine range comprises a large area of the ground, the underground and related facilities, the coal mine is a reasonable space excavated by people when the coal-rich geological layer is excavated, and the coal mine generally comprises a roadway, a pit, an excavation face and the like.

Patent number CN208534508U discloses a coal mining support that collapses, including base and pneumatic cylinder, first screw has all been seted up at both ends about the side around the base inner wall, the inner wall top central point of base puts the welded fastening axostylus axostyle, the rotary drum has been cup jointed to fixed axostylus axostyle outer wall, the second screw has all been seted up to the outer wall circumference left and right sides of rotary drum, the inner chamber threaded connection of first screw has the one end of first bolt. This coal mining prevents support that collapses, when the ground slope in coal mine hole, through the base, fixed axostylus axostyle and telescopic cooperation, place the base at the subaerial and ore hole ground in close contact with in ore hole, it is perpendicular to coal mine hole top to adjust the hydraulic pressure seat through the rotary drum, it is fixed with the hydraulic pressure seat to make the rotary drum to make through locking first bolt to second screw, thereby make the support base can be according to the shape of ground and adjust, the effectual support to coal mine hole has been guaranteed, make the coal mine hole more stable, can not collapse, great demand that has satisfied the colliery workman.

The above patents have the following disadvantages: 1. the supporting effect on the coal mine hole is poor, the supporting effect and the supporting force are only exerted on the top of the coal mine hole, and the supporting effect and the supporting force are not exerted on the wall of the coal mine hole; 2. the mounting mode of the bracket is not convenient enough and firm enough, so that the bracket is easy to shake and collapse; 3. the support does not have the damping and buffering force on the roof of the coal mine tunnel, and the support stability is reduced. Therefore, the anti-collapse support for coal mining is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-collapse support for coal mining, which has novel design, convenient operation and good use effect, and aims to improve the supporting effect of a coal mine hole through a lifting supporting column and a pneumatic telescopic rod, thereby not only having the supporting effect and the supporting force on the top of the coal mine hole, but also having the supporting effect and the supporting force on the wall of the coal mine hole; by driving the mounting device and the drilling mechanism, the mounting mode of the bracket is convenient and firm enough, and the bracket is prevented from shaking and collapsing; through buffer spring and stabilizing block, can have the shock attenuation buffer power to the hole top support in colliery hole, improved support stability.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of coal mining prevents support that collapses, which comprises a base, the inside fixed mounting of base has the drive erector, fixed connection installs brill dress mechanism on the drive erector, base upper end welded mounting has the lift support post, lift support post top welded mounting has the plectane, the plectane upper end is connected through the screens pole and is installed the roof, connect the installation through buffer spring between plectane and the roof, other swing joint is equallyd divide at the roof both ends and installs branch, through swing joint axle swing joint between the branch, there is pneumatic telescopic link through installation even axle fixed mounting on the branch inside wall, base lower extreme fixed mounting has stable piece, it is attacked drill bit and rotatory screwed pipe spiral by the point and inlays the installation and constitute to bore dress mechanism.

Optionally, install the piston cylinder on the pneumatic telescopic link, be provided with the nitrogen chamber in the piston cylinder, fill high-pressure nitrogen gas in the nitrogen chamber, the installation piston rod is inlayed in the activity of piston cylinder inner chamber, the nitrogen sucking disc is installed in the connection of piston rod one end, piston rod other end welded connection spare, a certain amount of hydraulic oil is injected to the piston cylinder inner chamber, piston cylinder inner chamber end is provided with sealed the pad.

Optionally, the lift support column is installed by flexible post activity inlay and constitutes in the pillar, hydraulic pressure grease chamber and oil storage chamber have been seted up to the pillar inside, communicate through the pressure regulating machine between hydraulic pressure grease chamber and the oil storage chamber.

Optionally, drill bit welded mounting is attacked to the point on attacking the drilling rod, it has the spiral to bore the tooth to attack spiral welding on the drilling rod, attack drilling rod welded mounting on drill bit seat post, be provided with the back-off thread on the drill bit seat post, spiral welding has the spiral to attack the tooth on the drill bit is attacked to the point.

Optionally, the outer side wall of the left end of the rotary threaded pipe is provided with a connecting seat in a welded mode, the connecting seat is provided with connecting teeth in a welded mode, and the inner side wall of the rotary threaded pipe is provided with positive threads.

Optionally, the drive installer is provided with a rotating motor, the front end of the rotating motor is fixedly provided with a rotating bearing, the front end of the rotating bearing is welded with a drive tooth, and the drive tooth is meshed with the connecting tooth.

The utility model has the advantages as follows:

1. the utility model relates to a novelty, the operation is convenient and excellent in use effect, through being equipped with lift support column and pneumatic telescopic link, power switch is opened, the circular telegram work of pressure regulator in the lift support column, carry the hydraulic oil in the oil storage chamber to hydraulic oil chamber, increase the oil pressure in the hydraulic oil chamber, rise flexible post, so, rise the roof, support the hole top in coal mine hole, and drive the branch and rise, stimulate pneumatic telescopic link, the piston rod on the pneumatic telescopic link will be forced to stretch out, utilize nitrogen sucking disc to suck the high-pressure nitrogen gas in the nitrogen gas chamber to the piston barrel inner chamber, hydraulic oil can seal the gas outlet of nitrogen gas chamber, increase the pressure in the piston barrel inner chamber, stretch out the piston rod, in order to support the branch, form the semicircle, support the hole wall in coal mine hole, so, the support effect in coal mine hole can be improved, not only have supporting effect and holding power to the hole top in coal mine hole, and also has supporting effect and supporting force for the wall of the coal mine hole.

2. The utility model discloses a be equipped with drive erector and bore dress mechanism, power switch is opened, the rotating electrical machines circular telegram work of drive erector, it is rotatory to drive rolling bearing, rolling bearing drives the drive tooth and rotates, it is rotatory that the drive tooth drives the connection tooth, it is rotatory that the connection tooth passes through the connecting seat and drives rotatory screwed pipe, the rotatory positive screw thread that utilizes on the inside wall of rotatory screwed pipe rotates with the anti-thread interlock on the inside bit seat post, make the point of boring on the dress mechanism attack the drill bit and get the installation to the underground, consolidate the installation nature, so, can make the mounting means of support convenient, and enough firm, prevent that the support from rocking and collapsing.

3. The utility model discloses a be equipped with buffer spring and stabilizing block, buffer spring connects between plectane and roof, when having vibrations to the support in the coal mine hole, buffer spring has buffering bounce-back, can reduce the vibrations power, strengthens support stability, and stabilizing block has and joins in marriage gravity, can strengthen the gravity stability of support, so, can have the shock attenuation buffer power to the hole top support in coal mine hole, has improved support stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a coal mining anti-collapse support according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a pneumatic telescopic rod of the coal mining anti-collapse support according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a lifting support column of a coal mining anti-collapse support according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a drilling mechanism of a coal mining anti-collapse support according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a drive installer of a coal mining anti-collapse bracket according to an embodiment of the present invention.

In the figure: 1. a strut; 2. a movable connecting shaft; 3. a top plate; 4. a buffer spring; 5. a circular plate; 6. a position clamping rod; 7. mounting a connecting shaft; 8. a lifting support column; 9. a base; 10. a pneumatic telescopic rod; 11. driving an installer; 12. a drilling mechanism; 13. a stabilizing block; 14. a connecting member; 15. a gasket; 16. hydraulic oil; 17. a piston rod; 18. a nitrogen chamber; 19. high pressure nitrogen; 20. a nitrogen sucker; 21. a piston cylinder; 22. a base pillar; 23. a telescopic column; 24. a hydraulic oil chamber; 25. a pressure regulating machine; 26. an oil storage chamber; 27. spirally tapping teeth; 28. a drill bit is tapped; 29. spirally drilling teeth; 30. tapping a drill rod; 31. a drill bit seat post; 32. rotating the threaded pipe; 33. a positive thread; 34. a connecting seat; 35. a connecting tooth; 36. reverse threads; 37. a drive tooth; 38. a rotating bearing; 39. a rotating electric machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A coal mining collapse prevention support according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1 and 4, an anti-collapse support for coal mining provided by the embodiment of the invention comprises a base 9, a drive installer 11 is fixedly installed inside the base 9, a drilling mechanism 12 is fixedly connected and installed on the drive installer 11, a lifting support column 8 is welded and installed at the upper end of the base 9, a circular plate 5 is welded and installed at the top end of the lifting support column 8, a top plate 3 is installed at the upper end of the circular plate 5 through a clamping rod 6, the circular plate 5 and the top plate 3 are installed through a buffer spring 4, two ends of the top plate 3 are respectively movably connected and installed with a support rod 1, the support rods 1 are movably connected through a movable connecting shaft 2, a pneumatic telescopic rod 10 is fixedly installed on the inner side wall of the support rod 1 through an installation connecting shaft 7, a stabilizing block 13 is fixedly installed at the lower end of the base 9, the drilling mechanism 12 is formed by spirally embedding and installing a sharp tapping drill bit 28 and a, the supporting effect of the coal mine hole is improved, the mounting mode of the support is convenient, the support is firm enough, the support is prevented from shaking and collapsing, the damping buffering force can be further achieved for supporting the top of the coal mine hole, and the support supporting stability is improved.

Refer to fig. 2 and show, install piston cylinder 21 on the pneumatic telescopic rod 10, be provided with nitrogen chamber 18 in the piston cylinder 21, fill up high-pressure nitrogen gas 19 in the nitrogen chamber 18, installation piston rod 17 is inlayed in the activity of the 21 inner chambers of piston cylinder, piston rod 17 one end is connected and is installed nitrogen gas sucking disc 20, piston rod 17 other end welded connection spare 14, the 21 inner chambers of piston cylinder are gone into a certain amount of hydraulic oil 16, the 21 inner chambers of piston cylinder end is provided with sealed the pad 15, and pneumatic telescopic rod 10 is used for branch 1's support for the hole wall to coal mine hole has supporting effect and holding power.

Referring to fig. 3, the lifting support column 8 is formed by movably mounting a telescopic column 23 in a foundation column 22 in an embedded manner, a hydraulic oil chamber 24 and an oil storage chamber 26 are formed in the foundation column 22, the hydraulic oil chamber 24 and the oil storage chamber 26 are communicated with each other through a pressure regulator 25, and the lifting support column 8 is used for improving the support effect of the coal mine hole and has a support effect and a support force on the roof of the coal mine hole.

Referring to fig. 4, the point tapping drill 28 is welded on the tapping rod 30, the spiral drilling teeth 29 are spirally welded on the tapping rod 30, the tapping rod 30 is welded on the drill seat column 31, the reverse threads 36 are arranged on the drill seat column 31, the spiral tapping teeth 27 are spirally welded on the point tapping drill 28, and the point tapping drill 28 is used for installing and supporting the ground bottom.

Referring to fig. 4, a connecting seat 34 is welded to the outer side wall of the left end of the rotary threaded pipe 32, connecting teeth 35 are welded to the connecting seat 34, positive threads 33 are arranged on the inner side wall of the rotary threaded pipe 32, and the rotary threaded pipe 32 is used for transmitting drilling force to the tapping drill 28.

Referring to fig. 5, a rotating motor 39 is mounted on the drive mounting device 11, a rotating bearing 38 is fixedly mounted at the front end of the rotating motor 39, a driving tooth 37 is welded at the front end of the rotating bearing 38, the driving tooth 37 is engaged with the connecting tooth 35, and the drive mounting device 11 is used for providing a drilling force for the tapping drill bit 28.

The embodiment of the utility model provides a coal mining collapse-proof support, during the use, pressure regulating machine 25 and rotating electrical machines 39 are supplied power by external power control, through being equipped with lift support column 8 and pneumatic telescopic link 10, open switch, the pressure regulating machine 25 in lift support column 8 circular telegram work, carry the hydraulic oil in the oil storage chamber 26 to hydraulic pressure grease chamber 24, increase the oil pressure in hydraulic pressure grease chamber 24, rise flexible post 23, with this, rise roof 3, support the hole top in the coal mine hole, and drive branch 1 and rise, pulling pneumatic telescopic link 10, piston rod 17 on the pneumatic telescopic link 10 will be forced to stretch out, utilize nitrogen sucking disc 20 with high-pressure nitrogen gas 19 suction in the nitrogen chamber 18 to the piston barrel 21 inner chamber, hydraulic oil 16 can seal the gas outlet of nitrogen chamber 18, increase the pressure in the piston barrel 21 inner chamber, stretch out piston rod 17, for support branch 1, the support device is semicircular and supports the wall of the coal mine hole, so that the support effect of the coal mine hole can be improved, the support device not only has the support effect and the support force on the roof of the coal mine hole, but also has the support effect and the support force on the wall of the coal mine hole; by arranging the driving installer 11 and the drilling mechanism 12, turning on a power switch, powering on a rotating motor 39 of the driving installer 11 to work, driving a rotating bearing 38 to rotate, driving a driving tooth 37 to rotate by the rotating bearing 38, driving the connecting tooth 35 to rotate by the driving tooth 37, driving a rotating threaded pipe 32 to rotate by the connecting seat 34, and enabling the rotating threaded pipe 32 to rotate by utilizing a positive thread 33 on the inner side wall to be meshed with a reverse thread 36 on an inner drill bit seat column 31 to enable a sharp drill bit 28 on the drilling mechanism 12 to drill underground, so that the installation performance is reinforced, the installation mode of the support is convenient and firm enough, and the support is prevented from shaking and collapsing; through being equipped with buffer spring 4 and stabilizing block 13, buffer spring 4 is connected between plectane 5 and roof 3, when having vibrations to the support in the coal mine hole, buffer spring 4 has buffering bounce-back, can reduce the vibrations power, strengthens support stability, and stabilizing block 13 has the distribution of gravity, can strengthen the gravity stability of support, so, can have the shock attenuation buffer power to the hole top support in coal mine hole, has improved support stability.

The rotating motor 39 is a common type Y-180L-8 on the market; the pressure regulating machine 25 is a common WY5.2-A type in the market.

It should be noted that the utility model relates to a coal mining collapse prevention bracket, which comprises a support rod 1, a movable connecting shaft 2, a top plate 3, a buffer spring 4, a circular plate 5, a clamping rod 6, an installation connecting shaft 7, a lifting support column 8, a base 9, a pneumatic telescopic rod 10, a drive installer 11, a drilling mechanism 12, a stabilizing block 13, a connecting piece 14, a sealing gasket 15, hydraulic oil 16, a piston rod 17, a nitrogen chamber 18, high-pressure nitrogen 19, a nitrogen suction cup 20, a piston cylinder 21, a base column 22, a telescopic column 23, a hydraulic oil chamber 24, a pressure regulator 25, an oil storage chamber 26, a spiral tapping tooth 27, a sharp tapping drill bit 28, a spiral drilling tooth 29, a tapping drill bit 30, a drill bit base column 31, a rotary threaded pipe 32, a positive thread 33, a connecting seat 34, a connecting tooth 35, a reverse thread 36, a driving tooth 37, a rotary bearing 38 and a rotary motor 39, wherein the above electrical components are products in the prior art, the circuit debugging operation is selected, installed and completed, so that all electrical appliances can work normally, all parts are universal standard parts or parts known by technicians in the field, the structure and the principle of the circuit debugging operation are known by the technicians through technical manuals or conventional experimental methods, and the applicant does not make specific limitation here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a coal mining support that collapses which characterized in that: including base (9), the inside fixed mounting of base (9) has drive erector (11), fixed connection installs and bores dress mechanism (12) on drive erector (11), welded mounting has lift support post (8) on base (9), welded mounting has plectane (5) on lift support post (8) top, plectane (5) upper end is connected through screens pole (6) and is installed roof (3), connect the installation through buffer spring (4) between plectane (5) and roof (3), other swing joint is equallyd divide at roof (3) both ends and is installed branch (1), through swing joint axle (2) swing joint between branch (1), there is pneumatic telescopic link (10) through installation even axle (7) fixed mounting on branch (1) inside wall, base (9) lower extreme fixed mounting has stabilizing block (13), the drilling and installing mechanism (12) is formed by spirally embedding and installing a sharp tapping drill bit (28) and a rotary threaded pipe (32).

2. A coal mining collapse prevention support according to claim 1, wherein: install piston cylinder (21) on pneumatic telescopic rod (10), be provided with nitrogen chamber (18) in piston cylinder (21), fill with high-pressure nitrogen gas (19) in nitrogen chamber (18), piston cylinder (21) inner chamber internalization is inlayed and is installed piston rod (17), piston rod (17) one end is connected and is installed nitrogen gas sucking disc (20), piston rod (17) other end welded connection spare (14), piston cylinder (21) inner chamber is interior to be injected a certain amount of hydraulic oil (16), piston cylinder (21) inner chamber end is provided with sealed pad (15).

3. A coal mining collapse prevention support according to claim 1, wherein: the lifting support column (8) is formed by movably embedding a telescopic column (23) in a foundation column (22), a hydraulic oil chamber (24) and an oil storage chamber (26) are arranged in the foundation column (22), and the hydraulic oil chamber (24) and the oil storage chamber (26) are communicated through a pressure regulating machine (25).

4. A coal mining collapse prevention support according to claim 1, wherein: drill bit (28) welded mounting is attacked to the point on attacking drilling rod (30), it has spiral drill tooth (29) to attack spiral weld on drilling rod (30), attack drilling rod (30) welded mounting on drill bit seat post (31), be provided with on drill bit seat post (31) anti-thread (36), spiral weld has spiral to attack tooth (27) on drill bit (28) is attacked to the point.

5. A coal mining collapse prevention support according to claim 1, wherein: the connecting seat (34) is installed in the welding of rotatory screwed pipe (32) left end lateral wall, welding installation has connection tooth (35) on connecting seat (34), be provided with positive thread (33) on rotatory screwed pipe (32) inside wall.

6. A coal mining collapse prevention support according to claim 1, wherein: the driving device is characterized in that a rotating motor (39) is installed on the driving installer (11), a rotating bearing (38) is fixedly installed at the front end of the rotating motor (39), a driving tooth (37) is installed at the front end of the rotating bearing (38) in a welded mode, and the driving tooth (37) is meshed with the connecting tooth (35).