CN212535712U

CN212535712U - Protection device for coal mining and tunneling

Info

Publication number: CN212535712U
Application number: CN202020757710.XU
Authority: CN
Inventors: 杨久达
Original assignee: Shenyang Wanhui Mining Equipment Manufacturing Co ltd
Current assignee: Shenyang Wanhui Mining Equipment Manufacturing Co ltd
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2021-02-12
Anticipated expiration: 2030-05-10

Abstract

The utility model discloses a protector is used in coal mining tunnelling, including base, support frame, the upper surface of base all sets up first fixed block, and the top of first fixed block is provided with first bracing piece, the top of base is provided with flexible pipe, and the inside of flexible pipe is provided with the telescopic link, spacing hole has been seted up on the surface of telescopic link, and runs through there is the gag lever post spacing downthehole portion, the top inboard of telescopic link is provided with the support frame, and first screw hole has all been seted up on two end surfaces of support frame. The utility model discloses, this protector is used in coal mining tunnelling through the setting of flexible pipe, telescopic link and gag lever post, extracts the gag lever post and removes to make another spacing hole of gag lever post alignment and insert the gag lever post again and make it fixed, has reached the purpose of adjustable the device height, like this alright also can use when making the device in the face of the ground unevenness, makes the device can adjust the use in the construction exploitation environment of difference, has strengthened the device's practicality.

Description

Protection device for coal mining and tunneling

Technical Field

The utility model relates to a colliery technical field specifically is a coal mining is protector for tunnelling.

Background

Coal mines are generally divided into miners and opencast coal mines, and when a coal seam is far from the ground surface, a roadway is generally selected to be excavated underground, the coal mine is the miners, when the coal seam is very close to the ground surface, the roadway is generally selected to be excavated by directly stripping a ground layer, the coal mine is the opencast coal mine, the coal mine is a reasonable space excavated by human beings when excavating a geological stratum rich in coal, the coal mine generally comprises a roadway, a well cave, an excavation surface and the like, and the coal is the most solid fuel.

The supporting rod of the common coal mine tunneling and supporting device does not have a lifting effect, and can be inclined integrally when the ground is uneven, so that potential safety hazards are easily caused, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector is used in coal mining tunnelling to solve its bracing piece of the ordinary colliery tunnelling supporting device that proposes in the above-mentioned background art and do not possess the lift effect, wholly can incline when unevenness ground, arouse the potential safety hazard easily, influence the use.

In order to achieve the above object, the utility model provides a following technical scheme: a protective device for coal mining and tunneling comprises a base and a supporting frame, wherein first fixed blocks are arranged on the upper surface of the base, first supporting rods are arranged above the first fixed blocks, telescopic pipes are arranged above the base, telescopic rods are arranged on the inner sides of the telescopic pipes, limiting holes are formed in the surfaces of the telescopic rods, limiting rods are arranged in the limiting holes, the supporting frame is arranged on the inner side above the telescopic rods, first threaded holes are formed in the surfaces of two ends of the supporting frame, the first threaded holes are matched with the first threaded rods for installation, second fixed blocks are arranged on the surfaces of two sides above the supporting frame, second supporting rods are arranged on the outer sides of the second fixed blocks, clamping grooves are formed in the upper surface of the telescopic rods, clamping buckles are arranged on the inner sides of the clamping grooves, a partition plate is connected above the clamping buckles, telescopic springs are arranged in the partition plate, and, and the two ends of the protective top are both provided with second threaded holes, and the inner sides of the second threaded holes are provided with second threaded rods.

Preferably, the surface of the first fixed block and the surface of the telescopic tube are both in open-hole design, and the first supporting rods are symmetrically arranged along the central axis of the telescopic tube.

Preferably, the protective roof forms a lifting structure through a telescopic pipe and a telescopic rod, and the telescopic pipe and the telescopic rod are vertically distributed.

Preferably, the limiting hole is connected with the limiting rod in a clamping mode, and the limiting holes are arranged on the outer side of the telescopic rod at equal intervals.

Preferably, the first threaded hole is in threaded connection with the first threaded rod, and the support frame is arranged in a T-shaped structure.

Preferably, the surface of the second fixed block and the surface of the support frame are both in open-hole design, and the second support rods are symmetrically arranged along the axis of the support frame.

Preferably, the telescopic springs are arranged on the partition board at equal intervals, and the bottom ends of the partition board and the top ends of the telescopic springs are welded.

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

1. according to the protective device for coal mining and tunneling, the connection between the base and the telescopic pipe is reinforced through the arrangement of the first fixing block and the first supporting rod, the stability of the device is enhanced, the safety of workers during operation is ensured, and the practicability of the device is effectively improved;

2. according to the protective device for coal mining and tunneling, the limiting rod is pulled out to move to enable the limiting rod to align to another limiting hole and then the limiting rod is inserted into the other limiting hole to enable the limiting rod to be fixed through the arrangement of the telescopic pipe, the telescopic rod and the limiting rod, so that the height of the device can be adjusted, the device can be used when the ground is uneven, the device can be adjusted and used in different construction and mining environments, and the practicability of the device is enhanced;

3. this protector is used in coal mining tunnelling through the setting of baffle, expanding spring and protection top, comes to carry out the bradyseism to the protection top and prevents that the too big stability that influences the device of impact force when the thing that falls in mine hole top pounces the protection top, has also reduced the produced noise of falling thing simultaneously, makes the interference that the staff received effectively reduce, has increased staff's work efficiency by a wide margin.

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 an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the structure of the telescopic tube and the telescopic rod of the present invention.

In the figure: 1. a base; 2. a first fixed block; 3. a first support bar; 4. a telescopic pipe; 5. a telescopic rod; 6. A limiting hole; 7. a limiting rod; 8. a support frame; 9. a first threaded hole; 10. a first threaded rod; 11. a second fixed block; 12. a second support bar; 13. a card slot; 14. buckling; 15. a partition plate; 16. a tension spring; 17. protecting the roof; 18. a second threaded hole; 19. a second threaded rod.

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 protective device for coal mining and tunneling comprises a base 1 and a support frame 8, wherein first fixing blocks 2 are arranged on the upper surface of the base 1, first supporting rods 3 are arranged above the first fixing blocks 2, telescopic pipes 4 are arranged above the base 1, telescopic rods 5 are arranged on the inner sides of the telescopic pipes 4, limiting holes 6 are formed in the surfaces of the telescopic rods 5, limiting rods 7 are arranged in the limiting holes 6, the support frame 8 is arranged on the inner side above the telescopic rods 5, first threaded holes 9 are formed in the surfaces of two ends of each support frame 8, the first threaded holes 9 are matched with first threaded rods 10, second fixing blocks 11 are arranged on the surfaces of two sides above the support frames 8, second supporting rods 12 are arranged on the outer sides of the second fixing blocks 11, clamping grooves 13 are formed in the upper surface of the telescopic rods 5, clamping buckles 14 are arranged on the inner sides of the clamping grooves 13, and partition plates 15, and the inside of the partition 15 is provided with a telescopic spring 16, a protective top 17 is arranged above the partition 15, two ends of the protective top 17 are both provided with second threaded holes 18, and the inner side of each second threaded hole 18 is provided with a second threaded rod 19.

The surface of the first fixed block 2 and the surface of the telescopic pipe 4 are both in open hole type design, and the first supporting rods 3 are symmetrically arranged along the axis of the telescopic pipe 4, so that the connection between the base 1 and the telescopic pipe 4 is reinforced, and the stability of the device is improved.

The protective roof 17 forms a lifting structure through the telescopic pipe 4 and the telescopic rod 5, and the telescopic pipe 4 and the telescopic rod 5 are vertically distributed, so that the device can be used when facing uneven ground, and the practicability of the device is enhanced.

Spacing hole 6 is connected with the block of gag lever post 7, and spacing hole 6 is equidistant setting in the outside of telescopic link 5, makes the device can adjust the use in the construction exploitation environment of difference, has strengthened the device's practicality.

First screw hole 9 and first threaded rod 10 threaded connection, and support frame 8 is "T" font structure setting, and the connected mode between the screw thread is simple to operate not only, and the firm in connection nature is splendid, has effectively reduced staff's working strength.

The surface of the second fixed block 11 and the surface of the support frame 8 are both in open-hole design, the second support rod 12 is symmetrically arranged along the axis of the support frame 8, and the support frame 8 and the second support rod 12 are arranged to support and fix the partition plate 15, so that the stability of the device is further enhanced.

The expanding spring 16 is equidistant setting on baffle 15, and for the welding between the bottom of baffle 15 and the expanding spring 16 top, baffle 15 and expanding spring 16 come to carry out the bradyseism to protection top 17 and prevent that the too big injury of impact force causes the device when the thing that falls in mine hole top pound protection top 17.

The working principle is as follows: firstly, the device is moved to a designated position for installation, then the connection between a base 1 and an extension pipe 4 is reinforced by arranging a first fixing block 2 and a first supporting rod 3, the stability of the device is increased, then the device can be used when the ground is uneven by pulling out a limiting rod 7 in a limiting hole 6, moving a telescopic rod 5 up and down to a required height to align with another limiting hole 6 and inserting the limiting rod 7, thus the device can be used in different construction and mining environments, the practicability of the device is enhanced, then the device is cushioned by arranging a clapboard 15 and an extension spring 16 to prevent the device from being damaged by overlarge impact force when falling objects at the top of a mine cave hit the protective roof 17, and then the supporting frame 8 and a second supporting rod 12 are arranged to support and fix the clapboard 15, the stability of the device is further enhanced, and finally the fixing block and the supporting rod of the device are in threaded connection, so that the device is convenient to disassemble, the device can be disassembled and moved according to the construction progress, the working intensity of workers is reduced, and the protective device for coal mining and tunneling is used, and the using process of the device is completed at the moment.

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 protector for tunnelling, includes base (1) and support frame (8), its characterized in that: the upper surface of the base (1) is provided with first fixing blocks (2), first supporting rods (3) are arranged above the first fixing blocks (2), telescopic pipes (4) are arranged above the base (1), telescopic rods (5) are arranged on the inner sides of the telescopic pipes (4), limiting holes (6) are formed in the surfaces of the telescopic rods (5), limiting rods (7) are arranged in the limiting holes (6), supporting frames (8) are arranged on the inner sides of the upper portions of the telescopic rods (5), first threaded holes (9) are formed in the surfaces of the two ends of each supporting frame (8), the first threaded holes (9) are matched with the first threaded rods (10) to be installed, second fixing blocks (11) are arranged on the surfaces of the two sides of the upper portion of each supporting frame (8), second supporting rods (12) are arranged on the outer sides of the second fixing blocks (11), clamping grooves (13) are formed in the upper surface of each telescopic rod (5), and a buckle (14) is arranged on the inner side of the clamping groove (13), a partition plate (15) is connected above the buckle (14), a telescopic spring (16) is arranged inside the partition plate (15), a protective top (17) is arranged above the partition plate (15), two ends of the protective top (17) are respectively provided with a second threaded hole (18), and a second threaded rod (19) is arranged on the inner side of the second threaded hole (18).

2. A shield device for coal mining excavation according to claim 1, characterized in that: the surface of the first fixed block (2) and the surface of the telescopic pipe (4) are both in open hole type design, and the first supporting rods (3) are symmetrically arranged along the axis of the telescopic pipe (4).

3. A shield device for coal mining excavation according to claim 1, characterized in that: the protective roof (17) and the telescopic rod (5) form a lifting structure through the telescopic pipe (4), and the telescopic pipe (4) and the telescopic rod (5) are vertically distributed.

4. A shield device for coal mining excavation according to claim 1, characterized in that: the limiting holes (6) are connected with the limiting rods (7) in a clamping mode, and the limiting holes (6) are arranged on the outer side of the telescopic rod (5) at equal intervals.

5. A shield device for coal mining excavation according to claim 1, characterized in that: the first threaded hole (9) is in threaded connection with the first threaded rod (10), and the support frame (8) is arranged in a T-shaped structure.

6. A shield device for coal mining excavation according to claim 1, characterized in that: the surface of the second fixed block (11) and the surface of the support frame (8) are both in open-hole design, and the second support rods (12) are symmetrically arranged along the central axis of the support frame (8).

7. A shield device for coal mining excavation according to claim 1, characterized in that: the telescopic springs (16) are arranged on the partition plate (15) at equal intervals, and the bottom end of the partition plate (15) is welded with the top end of the telescopic springs (16).