CN210343381U

CN210343381U - Stable support for underground tunneling

Info

Publication number: CN210343381U
Application number: CN201921282666.5U
Authority: CN
Inventors: 王荣刚; 李江
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-17
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to a coal mine technical field just discloses a tunnelling is with firm supporting, which comprises a base, the bottom fixedly connected with location nail of base, the top fixedly connected with pillar of base, the outer wall fixedly connected with locating plate of pillar, the inner wall fixedly connected with shock attenuation board of pillar, the bottom fixedly connected with damping post of shock attenuation board, the inner wall fixedly connected with backup pad of pillar, the top fixedly connected with motor of backup pad, the output shaft of motor passes through shaft coupling fixedly connected with carousel, the inner wall fixedly connected with of pillar derails. This tunnelling is with firm supporting can reach the purpose of being convenient for adjust strutting arrangement in the pit, has solved general tunnelling and has strutted the problem of the height of being not convenient for to adjust with firm, has satisfied the requirement of different support heights in the colliery, and application scope is wide, and stable in structure adjusts the convenience, and it is high to strut the effect, has improved the work efficiency that the colliery was tunneled greatly.

Description

Stable support for underground tunneling

Technical Field

The utility model relates to a colliery technical field specifically is a tunnelling is with firm supporting in pit.

Background

Coal mines are reasonable spaces excavated by humans when excavating coal-rich geological formations, and generally include tunnels, and mining surfaces, among others. When a coal seam approaches the surface of the earth, it is economical to use surface mining, the earth above the coal seam is called surface earth, explosives are buried in the undeveloped surface earth zone, then the surface earth is removed by using equipment such as a dredger, an excavator or a truck, the surface earth is filled into a pit which is mined before, after the surface earth is removed, the coal seam is exposed, at the moment, coal blocks are drilled or crushed, the truck is used for transporting the coal to a coal separation plant for further treatment, the surface mining mode can obtain a larger ratio of coal mines than the underground mining mode, because more mining areas are utilized, the surface mining coal mines can cover areas of several square kilometers, and about forty percent of the world is produced by using the surface mining mode. When the underground excavation is carried out on the coal mine, the use of the coal mine excavation supporting device can be involved. But the steady supporting device is used in tunnelling in pit on the existing market, the workman of being not convenient for adjusts, can't satisfy many-sided support demand, and stability is relatively poor, therefore has influenced the normal use of colliery tunnelling supporting device, has also reduced the work efficiency of tunnelling in the pit in the colliery, can't satisfy the production demand.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a tunnelling is with firm supporting in pit, this tunnelling possesses advantages such as be convenient for adjust with firm supporting in pit, has solved general tunnelling and has strutted the problem of being not convenient for to adjust with firm.

(II) technical scheme

For the purpose that realizes above-mentioned tunnelling is convenient for adjust with firm the strutting in pit, the utility model provides a following technical scheme: a stable support for underground tunneling comprises a base, wherein the bottom of the base is fixedly connected with a positioning nail, the top of the base is fixedly connected with a support column, the outer wall of the support column is fixedly connected with a positioning plate, the inner wall of the support column is fixedly connected with a damping plate, the bottom of the damping plate is fixedly connected with a damping column, the inner wall of the support column is fixedly connected with a support plate, the top of the support plate is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotary table through a coupler, the inner wall of the support column is fixedly connected with a rotary rail, the top of the rotary table is fixedly connected with a fixed column, the inner wall of the fixed column is fixedly connected with a first hydraulic cylinder, the output shaft of the first hydraulic cylinder is fixedly connected with a first hydraulic rod, the outer wall of the first hydraulic rod is fixedly, the outer wall of the second hydraulic rod is fixedly connected with a fixing block, the outer wall of the fixing block is movably connected with a fastening screw, the top of the fixing block is fixedly connected with a pressing plate, one end of the first hydraulic rod is fixedly connected with a fixing plate, and the top of the fixing column is provided with a connecting hole.

Preferably, the positioning plate is a triangular positioning plate, and the height of the positioning plate is fifteen centimeters.

Preferably, the interior of the damping plate is filled with foam, and the thickness of the damping plate is three centimeters.

Preferably, the inside of the rotating rail is provided with a ball, and the ball is a stainless steel ball.

Preferably, the second hydraulic cylinder is obliquely arranged on the outer wall of the first hydraulic rod, and an included angle between the second hydraulic cylinder and the horizontal plane is thirty degrees.

Preferably, one end of the fastening screw penetrates through the outer wall of the fixing block and extends to the outer wall of the second hydraulic rod, and the diameter of the fastening screw is one centimeter.

Preferably, the number of the pressing plates is two, and the two pressing plates are symmetrically arranged by taking the vertical center line of the base as a symmetry axis.

(III) advantageous effects

Compared with the prior art, the utility model provides a tunnelling is with firm supporting possesses following beneficial effect:

1. this tunnelling is with firm supporting in pit, through the motor that sets up, the transfer, the carousel, the fixed column, first pneumatic cylinder, first hydraulic stem, second hydraulic cylinder and second hydraulic stem, can reach the purpose of being convenient for adjust strutting arrangement, solved general tunnelling with firm supporting problem of being not convenient for to adjust in the pit, satisfied the requirement of different support heights in the colliery, application scope is wide, stable in structure, it is convenient to adjust, it is high to strut the effect, the work efficiency of the colliery tunnelling has been improved greatly.

2. This tunnelling is with firm supporting in pit, base, location nail, locating plate, clamp plate and the fixed plate through setting up can reach the purpose that improves the stability that supporting device supported, has improved supporting device's security performance, and the effectual safety that ensures the work of tunnelling in pit goes on, is worth extensively promoting.

3. This tunnelling is with firm supporting in pit, through damping post and the shock attenuation board that sets up, can reach the purpose that improves strutting arrangement's shock resistance, avoided strutting arrangement because the effect of external impact is impaired, the security performance is good, and the practicality is good.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a connection diagram of the second hydraulic rod and the fixing block of the present invention.

In the figure: 1. a base; 2. positioning nails; 3. a pillar; 4. positioning a plate; 5. a damping column; 6. a damper plate; 7. a support plate; 8. a motor; 9. transferring rails; 10. a turntable; 11. fixing a column; 12. a first hydraulic cylinder; 13. a first hydraulic lever; 14. a second hydraulic cylinder; 15. a second hydraulic rod; 16. a fixed block; 17. Fastening screws; 18. pressing a plate; 19. a fixing plate; 20. and connecting the holes.

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, a steady support for underground excavation comprises a base 1, a positioning nail 2 fixedly connected with the bottom of the base 1, a pillar 3 fixedly connected with the top of the base 1, a positioning plate 4 fixedly connected with the outer wall of the pillar 3, the positioning plate 4 being a triangular positioning plate, and the positioning plate 4 being fifteen centimeters in height, which improves the stability of the support device, a shock-absorbing plate 6 fixedly connected with the inner wall of the pillar 3, the shock-absorbing plate 6 being filled with foam, the shock-absorbing plate 6 being three centimeters in thickness, the foam being a polymer material formed by dispersing a large number of gas micropores in solid plastic, having the characteristics of light weight, heat insulation, sound absorption and shock absorption, and being superior to dielectric matrix resin, having wide application range, almost all kinds of plastic being made into foam plastic, foam molding becoming an important field in plastic processing, a damping column 5 fixedly connected with the bottom of the shock-absorbing plate 6, the aim of improving the shock resistance of the supporting device can be achieved through the arranged damping columns 5 and the damping plates 6, the supporting device is prevented from being damaged due to the action of external impact force, the safety performance and the practicability are good, the inner wall of the supporting column 3 is fixedly connected with the supporting plate 7, the top of the supporting plate 7 is fixedly connected with the motor 8, the output shaft of the motor 8 is fixedly connected with the rotary table 10 through the coupler, the inner wall of the supporting column 3 is fixedly connected with the rotary rail 9, the inside of the rotary rail 9 is provided with the rolling balls, the rolling balls are stainless steel rolling balls, the stainless steel refers to steel which resists the corrosion of weak corrosion media such as air, steam and water and the corrosion of chemical corrosive media such as acid, alkali and salt, also called stainless acid-resistant steel, in practical application, the steel which resists the corrosion of the weak corrosion media is often called stainless steel, and the steel, the inner wall of the fixed column 11 is fixedly connected with a first hydraulic cylinder 12, the output shaft of the first hydraulic cylinder 12 is fixedly connected with a first hydraulic rod 13, the outer wall of the first hydraulic rod 13 is fixedly connected with a second hydraulic cylinder 14, the second hydraulic cylinder 14 is obliquely arranged on the outer wall of the first hydraulic rod 13, the included angle between the second hydraulic cylinder 14 and the horizontal plane is thirty degrees, the height of the supporting device can be conveniently adjusted, the underground tunneling work can be conveniently carried out, the output shaft of the second hydraulic cylinder 14 is fixedly connected with a second hydraulic rod 15, the purpose of conveniently adjusting the supporting device can be achieved through the arranged motor 8, the rotating rail 9, the rotating disc 10, the fixed column 11, the first hydraulic cylinder 12, the first hydraulic rod 13, the second hydraulic cylinder 14 and the second hydraulic rod 15, the problem that the stable supporting for general underground tunneling is inconvenient to adjust is solved, and the requirements of different heights in a coal mine are met, the application range is wide, the structure is stable, the adjustment is convenient, the supporting effect is high, the working efficiency of coal mine tunneling is greatly improved, the outer wall of the second hydraulic rod 15 is fixedly connected with a fixed block 16, the outer wall of the fixed block 16 is movably connected with a fastening screw 17, one end of the fastening screw 17 penetrates through the outer wall of the fixed block 16 and extends to the outer wall of the second hydraulic rod 15, the diameter of the fastening screw 17 is one centimeter, the stability and the safety performance of the supporting device during supporting are effectively improved, the top of the fixed block 16 is fixedly connected with two pressing plates 18, the number of the pressing plates 18 is two, the two pressing plates 18 are symmetrically arranged by taking the vertical central line of the base 1 as a symmetric axis, so that the supporting device can stably support the inner wall of a mine, one end of the first hydraulic rod 13 is fixedly connected with a fixed plate 19, and the base 1, the, the purpose of improving the supporting stability of the supporting device can be achieved, the safety performance of the supporting device is improved, the safety of underground tunneling work is effectively guaranteed, the underground tunneling work is worth of being widely popularized, and the connecting holes 20 are formed in the top of the fixing column 11.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the coal mine underground wall fixing device is used, the motor 8 is started, the rotary table 10 rotates to adjust the position of the fixing column 11, the first hydraulic cylinder 12 is started, the first hydraulic rod 13 ascends, the fixing plate 19 supports the underground coal mine wall, the second hydraulic cylinder 14 is started, the second hydraulic rod 15 pushes the pressing plate 18 to move upwards, and the underground coal mine wall is fixed.

To sum up, this tunnelling is with firm supporting for strutting arrangement is convenient for adjust, has solved general tunnelling with firm supporting problem of being not convenient for to adjust in the pit, has satisfied the requirement of different support heights in the colliery, and application scope is wide, and stable in structure adjusts the convenience, and it is high to strut the effect, has improved the work efficiency that the colliery was tunneled greatly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 tunnelling is with firm support in pit, includes base (1), its characterized in that: the bottom of the base (1) is fixedly connected with a positioning nail (2), the top of the base (1) is fixedly connected with a strut (3), the outer wall of the strut (3) is fixedly connected with a positioning plate (4), the inner wall of the strut (3) is fixedly connected with a damping plate (6), the bottom of the damping plate (6) is fixedly connected with a damping column (5), the inner wall of the strut (3) is fixedly connected with a supporting plate (7), the top of the supporting plate (7) is fixedly connected with a motor (8), the output shaft of the motor (8) is fixedly connected with a rotary table (10) through a coupler, the inner wall of the strut (3) is fixedly connected with a rotary rail (9), the top of the rotary table (10) is fixedly connected with a fixed column (11), the inner wall of the fixed column (11) is fixedly connected with a first hydraulic cylinder (12), the output shaft of the first hydraulic cylinder (12, the outer wall fixedly connected with second hydraulic cylinder (14) of first hydraulic stem (13), the output shaft fixedly connected with second hydraulic stem (15) of second hydraulic cylinder (14), the outer wall fixedly connected with fixed block (16) of second hydraulic stem (15), the outer wall swing joint of fixed block (16) has fastening screw (17), the top fixedly connected with clamp plate (18) of fixed block (16), the one end fixedly connected with fixed plate (19) of first hydraulic stem (13), connecting hole (20) have been seted up at the top of fixed column (11).

2. A stabilising support for use in downhole driving according to claim 1, wherein: the positioning plate (4) is a triangular positioning plate, and the height of the positioning plate (4) is fifteen centimeters.

3. A stabilising support for use in downhole driving according to claim 1, wherein: the interior of the damping plate (6) is filled with foam, and the thickness of the damping plate (6) is three centimeters.

4. A stabilising support for use in downhole driving according to claim 1, wherein: the inside of swivel rail (9) is provided with the ball, and the ball is the stainless steel ball.

5. A stabilising support for use in downhole driving according to claim 1, wherein: the second hydraulic cylinder (14) is obliquely arranged on the outer wall of the first hydraulic rod (13), and an included angle between the second hydraulic cylinder (14) and the horizontal plane is thirty degrees.

6. A stabilising support for use in downhole driving according to claim 1, wherein: one end of the fastening screw (17) penetrates through the outer wall of the fixing block (16) and extends to the outer wall of the second hydraulic rod (15), and the diameter of the fastening screw (17) is one centimeter.

7. A stabilising support for use in downhole driving according to claim 1, wherein: the number of the pressing plates (18) is two, and the two pressing plates (18) are symmetrically arranged by taking the vertical center line of the base (1) as a symmetry axis.