CN217400926U

CN217400926U - Anti-impact guardrail for excavation roadway

Info

Publication number: CN217400926U
Application number: CN202221379477.1U
Authority: CN
Inventors: 李小刚; 田文辉; 莫正虎; 万成
Original assignee: Huating Coal Group Co Ltd
Current assignee: Huating Coal Group Co Ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-09
Anticipated expiration: 2032-06-06

Abstract

The utility model belongs to the technical field of mining engineering, especially, dig scour protection guardrail for tunnel, the following scheme is proposed at present, the on-line screen storage device comprises a base, crossbeam and extension board, be connected with the expansion bracket between base and the crossbeam, the base, crossbeam and expansion bracket are the alloy material and make, the expansion bracket mid-mounting has the cylinder, two spinal branch vaulting poles of base both ends fixedly connected with, the spout has all been seted up on two spinal branch vaulting pole upper portion, two equal sliding connection of spout inner wall have the slider, two sliders weld respectively at the crossbeam both ends, the welding of crossbeam top has the extension board, be provided with the push rod motor in the extension board, the welding of push rod motor output shaft has the extension board, extension board one end runs through the extension board, the welding of extension board one end has the inserted block, the slot with inserted block looks adaptation is seted up to the extension board opposite side. The utility model discloses when receiving the impact, the support is stable, and bearing pressure is great, and shock resistance is stronger, easily accomodates, accomodates the shared space in back less, is favorable to the transportation conveying of equipment, improves the work efficiency when the workman builds the device.

Description

Anti-impact guardrail for excavation roadway

Technical Field

The utility model relates to a mining engineering technical field especially relates to an excavation is scour protection guardrail for tunnel.

Background

The deep mining is a necessary trend of development of the coal industry, the structural characteristics, deformation damage characteristics, energy release characteristics and engineering response characteristics of deep coal rock masses are obviously different from those of shallow coal rocks, so that rock burst disasters are easily induced, serious underground damage and casualty accidents are caused, the stress in a coal body is increased along with the increase of the mining depth, the possibility of rock burst is higher, and particularly the danger of rock burst in a working face crossheading is higher. Research statistics show that more than 75% of rock burst occurs in a roadway, particularly in the advance support range of 0-100 m of a working face. At present, shallow mining gradually develops towards deep mining, and roadway support forms are kept in anchor rods, anchor cables, metal supports, metal retractable supports, anchor shotcrete and the like, and the support modes are low in support intensity, high in labor intensity, high in cost and poor in safety, so that the high-efficiency and safe production requirements of coal mines are severely restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a scour prevention guardrail for excavating a roadway.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dig scour protection guardrail for tunnel, includes base, crossbeam and extension board, be connected with the expansion bracket between base and the crossbeam, and the expansion bracket mid-mounting has the cylinder, two spinal branch vaulting poles of base both ends fixedly connected with, and two spinal branch vaulting pole upper portions have all seted up the spout, two equal sliding connection of spout inner wall has the slider, and two sliders weld respectively at the crossbeam both ends, the welding of crossbeam top has the extension board, and is provided with the push rod motor in the extension board, the welding of push rod motor output shaft has the extension plate, and extension plate one end welding has the inserted block, the slot with inserted block looks adaptation is seted up to the extension board opposite side, and the welding of extension board both ends has the fixed block, and the fixed block top is through bolt fixedly connected with positioning element, two the bracing piece outer wall is provided with the guard plate on one side.

Preferably, the base, the cross beam and the telescopic frame are all made of alloy materials.

Preferably, one end of the extension plate penetrates through the support plate.

Preferably, an indicator light is arranged on the top of the outer wall of one side of the protection plate.

Preferably, positioning parts are installed at two ends of the bottom of the base and are micro drill bits.

Preferably, the outer wall of the top of the insert block and the top of the slot are both provided with screw holes, and fastening bolts are arranged in the screw holes.

The utility model has the advantages that:

1. the device comprises a base, a cross beam and a support plate, wherein a telescopic frame is connected between the base and the cross beam, the base, the cross beam and the telescopic frame are all made of alloy materials, and an air cylinder is arranged in the middle of the telescopic frame;

2. the device is easily accomodate, and the shared space after accomodating is less, is favorable to the transportation conveying of equipment, improves the work efficiency when the workman builds the device.

Drawings

Fig. 1 is a three-dimensional schematic view of an expansion bracket of a scour protection guardrail for a mining roadway, which is provided by the utility model;

fig. 2 is a schematic cross-sectional view of the overall structure of the anti-impact guardrail for the excavation roadway according to the present invention;

fig. 3 is the utility model provides an overall structure of excavation scour protection guardrail for tunnel looks sideways at the schematic diagram.

In the figure: 1. a base; 2. a cross beam; 3. a support plate; 4. a telescopic frame; 5. a cylinder; 6. a support bar; 7. a chute; 8. a slider; 9. a push rod motor; 10. an extension plate; 11. inserting a block; 12. a slot; 13. a fixed block; 14. a positioning member; 15. and (4) a protective plate.

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.

Embodiment 1, refer to fig. 1-3, an excavation scour protection guardrail for tunnel, including base 1, crossbeam 2 and extension board 3, be connected with expansion bracket 4 between base 1 and the crossbeam 2, base 1, crossbeam 2 and expansion bracket 4 are made of alloy material, 4 mid-mounting of expansion bracket has cylinder 5, two spinal branch vaulting poles of base 1 both ends fixedly connected with 6, spout 7 has all been seted up on 6 upper portions of two spinal branch vaulting poles, the equal sliding connection of 7 inner walls of two spouts has slider 8, two slider 8 weld respectively at 2 both ends of crossbeam, when the device received the impact, the support is stable, bearing pressure is great, shock resistance is stronger.

Embodiment 2, referring to fig. 1 to 3, this embodiment is optimized on the basis of embodiment 1, specifically: the welding of 2 tops of crossbeam has extension board 3, be provided with push rod motor 9 in the extension board 3, push rod motor 9 output shaft welding has extension board 10, extension board 3 is run through to extension board 10 one end, extension board 10 one end welding has inserted block 11, the slot 12 with 11 looks adaptations of inserted block is seted up to extension board 3 opposite side, the screw has all been seted up at 11 top outer walls of inserted block and slot 12 tops, be provided with fastening bolt in the screw, the welding of 3 both ends of extension board has fixed block 13, bolt fixedly connected with locating part 14 is passed through at 13 tops of fixed block, locating part 14 is all installed at 1 bottom both ends of base, locating part 14 is miniature drill bit, 6 one side outer walls of two spinal branch vaulting poles are provided with guard plate 15, the device easily accomodates, the shared space after accomodating is less, be favorable to the transportation conveying of equipment, the work efficiency when improving the workman and building the device.

The working principle is as follows: expand expansion bracket 4 through cylinder 5, make crossbeam 2 move upwards along spout 7 through slider 8, reach behind the 6 tops of bracing piece, push rod motor 9 drives extension plate 10 flexible, the screw has all been seted up through 11 top outer walls of inserted block and slot 12 top, be provided with fastening bolt in the screw, connect gradually the guardrail, it has fixed block 13 to recycle 3 both ends of extension plate welding, the fixed block 13 top is through the locating component 14 of bolt fixedly connected with locating

component

14 and 1 bottom both ends installation of base, locating component 14 is miniature drill bit, it fixes to bore into ground after knocking, accessible cylinder 5 contracts expansion bracket 4 when not, it is folding, the whole volume that occupies of device reduces, be more convenient for remove.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A scour protection guardrail for a mining roadway comprises a base (1), a cross beam (2) and support plates (3), and is characterized in that a telescopic frame (4) is connected between the base (1) and the cross beam (2), a cylinder (5) is arranged in the middle of the telescopic frame (4), two support rods (6) are fixedly connected with two ends of the base (1), chutes (7) are formed in the upper portions of the two support rods (6), sliders (8) are connected to the inner walls of the two chutes (7) in a sliding mode, the two sliders (8) are respectively welded at two ends of the cross beam (2), the support plates (3) are welded at the tops of the cross beam (2), push rod motors (9) are arranged in the support plates (3), extension plates (10) are welded to output shafts of the push rod motors (9), insertion blocks (11) are welded at one ends of the extension plates (10), slots (12) matched with the insertion blocks (11) are formed in the other sides of the support plates (3), and the two ends of the support plate (3) are welded with fixing blocks (13), the tops of the fixing blocks (13) are fixedly connected with positioning parts (14) through bolts, and one side outer wall of each of the two support rods (6) is provided with a protection plate (15).

2. The impact-proof guardrail for the mining roadway according to claim 1, wherein the base (1), the cross beam (2) and the expansion bracket (4) are made of alloy materials.

3. A working roadway fencing guard according to claim 1, wherein the extension plate (10) extends through the support plate (3) at one end.

4. An anti-impact guardrail for a mining roadway as claimed in claim 1, wherein an indicator light is arranged at the top of the outer wall of one side of the protection plate (15).

5. An anti-impact guardrail for a mining roadway according to claim 1, characterized in that positioning parts (14) are mounted at two ends of the bottom of the base (1), and the positioning parts (14) are micro drill bits.

6. The anti-impact guardrail for the mining roadway according to claim 1, characterized in that screw holes are formed in the outer wall of the top of the insertion block (11) and the top of the insertion slot (12), and fastening bolts are arranged in the screw holes.