CN215486055U

CN215486055U - Novel top plate supporting device for underground mining of gold mine

Info

Publication number: CN215486055U
Application number: CN202121349176.XU
Authority: CN
Inventors: 康永胜; 王政; 姜广龙
Original assignee: Liaoning Jinfeng Gold Mine Industry Co ltd
Current assignee: Liaoning Jinfeng Gold Mine Industry Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-11
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a novel top plate supporting device for underground mining of gold ores, which comprises a bottom plate, wherein side walls are arranged on two sides of the upper surface of the bottom plate, a plurality of hydraulic rods are arranged inside the side walls on two sides, a top plate is arranged at the upper ends of the hydraulic rods, a protective cover is arranged on the upper surface of the top plate, a ventilating duct is arranged on one side of the upper surface of the top plate and inside the protective cover, a grouting pipeline is arranged on the other side of the upper surface of the top plate and inside the protective cover, a ventilating branch pipe is arranged in the middle position of the upper surface of the top plate, a grouting branch pipe is arranged on the inner surface of the upper wall of the protective cover, and shunt pipes are respectively communicated and connected between the ventilating branch pipe and the ventilating branch pipe as well as between the grouting pipeline and the grouting branch pipe, so that the structure of the protective cover is improved, the structure is more stable, the safety performance is remarkably improved, the passage inside a roadway is ensured, and the passage capacity inside the gold ore roadway is improved, the production efficiency of the gold ore is improved.

Description

Novel top plate supporting device for underground mining of gold mine

Technical Field

The utility model relates to the technical field of gold mine mining equipment, in particular to a novel gold mine underground mining roof supporting device.

Background

The supporting is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, the supporting, reinforcing and protecting measures are adopted for the side wall and the surrounding environment, the foundation pit supporting is used as a structural system and needs to meet the requirements of stability and deformation, namely the requirements of two limit states, namely a bearing capacity limit state and a normal use limit state, namely a bearing capacity limit state, for the foundation pit supporting, namely the damage, the dumping and the sliding of a supporting structure or the damage of the surrounding environment, and the instability in a large range occurs, the common top plate supporting device can only support the middle of a top plate, the structure is not stable enough, the safety performance needs to be improved, and meanwhile, the supporting in the middle blocks the passing in a roadway, the unblocked capacity in the gold mine roadway is influenced, and the production efficiency of the gold mine is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel top plate supporting device for underground mining of gold ores, which aims to solve the problems that the common top plate supporting device provided in the background technology can only support the middle of a top plate, the structure is not stable enough, the safety performance needs to be improved, and meanwhile, the middle supporting device blocks the traffic in a roadway, influences the unblocked capacity in the gold ore roadway and influences the production efficiency of the gold ores.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel top plate supporting device is mined out to gold mine underground, includes the bottom plate, the upper surface both sides of bottom plate are equipped with the lateral wall, both sides the inside of lateral wall all is equipped with a plurality of hydraulic stems, the upper end of hydraulic stem is equipped with the roof, the upper surface of roof is equipped with the protection casing, upper surface one side of roof just is in the inside of protection casing is equipped with air pipe, the upper surface opposite side of roof just is in the inside of protection casing is equipped with grout pipeline, the upper surface intermediate position of roof is equipped with ventilation branch pipe, the upper wall internal surface of protection casing is equipped with grout branch pipe, air pipe with ventilation branch pipe between reach grout pipeline with all the intercommunication is connected with the shunt tubes between the grout branch pipe.

Preferably, the protection casing is including the support semicanal that the symmetry set up, two be connected with the wallboard between the upper wall that supports the semicanal, two the inside of supporting the semicanal all is equipped with the half pipe of installation, support the internal surface of semicanal with be connected with the backup pad between the surface of the half pipe of installation, air pipe reaches grout pipeline sets up respectively in both sides the inside of the half pipe of installation.

Preferably, the upper end intercommunication of grout branch pipe is connected with a plurality of grout pipes, the upper end of grout pipe runs through the upper wall of protection casing, the upper end intercommunication of grout pipe is connected with out the thick liquid head, it sets up to go out the thick liquid head on the upper wall surface of protection casing.

Preferably, the lower ends of the ventilation branch pipes are connected with a plurality of ventilation openings in a communication mode, and the lower ends of the ventilation openings penetrate through the top plate.

Preferably, protection plates are arranged on two sides of the lower surface of the top plate and on the outer side of the hydraulic rod, and the inner surface of the lower end of each protection plate abuts against the outer surface of the corresponding side wall.

Compared with the prior art, the utility model has the beneficial effects that: support the hydraulic stem through the lateral wall at the bottom plate upper surface, and connect the roof through the hydraulic stem, upper surface at the roof sets up the protection casing, and set up air pipe and grout pipeline respectively in the inside of protection casing, replace general roof supporting device, support the both sides of roof simultaneously through both sides hydraulic stem, improve the protection casing structure, the structure is more stable, the security performance promotes and is showing, replace the design of strutting in the middle, the inside passage in tunnel has been guaranteed, promote the inside current capacity in gold mine tunnel, promote the production efficiency in gold mine.

Drawings

FIG. 1 is an isometric view of a body structure of the present invention;

FIG. 2 is a sectional view of the main structure of the present invention;

FIG. 3 is a schematic view of the main structure of the present invention;

FIG. 4 is a cross-sectional view of the A-A view of the present invention;

FIG. 5 is a cross-sectional view of the B-B viewing structure of the present invention.

In the figure: 1-bottom plate, 2-side wall, 3-hydraulic rod, 4-top plate, 5-protective cover, 501-supporting half pipe, 502-wall plate, 503-mounting half pipe, 504-supporting plate, 6-ventilating pipe, 7-grouting pipe, 8-ventilating branch pipe, 9-grouting branch pipe, 10-shunt pipe, 11-grout outlet pipe, 12-grout outlet head, 13-ventilating opening, 14-protective plate, 15-rock layer and 16-grouting layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a novel top plate supporting device for underground mining of gold ores, which comprises a bottom plate 1, wherein side walls 2 are arranged on two sides of the upper surface of the bottom plate 1, a plurality of hydraulic rods 3 are arranged inside the side walls 2 on two sides, the hydraulic rods 3 on two sides are arranged in the side walls 2 at equal distances, a top plate 4 is arranged at the upper ends of the hydraulic rods 3, a protective cover 5 is arranged on the upper surface of the top plate 4, a ventilating duct 6 is arranged on one side of the upper surface of the top plate 4 and inside the protective cover 5, a grouting duct 7 is arranged on the other side of the upper surface of the top plate 4 and inside the protective cover 5, a ventilating branch pipe 8 is arranged in the middle position of the upper surface of the top plate 4, a grouting branch pipe 9 is arranged on the inner surface of the upper wall of the protective cover 5, and shunt pipes 10 are respectively communicated between the ventilating branch pipe 6 and the ventilating branch pipe 8 and between the grouting duct 7 and the grouting branch pipe 9.

When the device is used, the device bottom plate 1 is placed at a corresponding position below a gold mine to be supported, the lower end of the bottom plate 1 is guaranteed to be flat, then the hydraulic rod 3 is started, the hydraulic rod 3 moves upwards under the support of the side wall 2, the upper end of the hydraulic rod 3 drives the top plate 4 and the protective cover 5 to move upwards, the lifting is stopped when a certain distance is reserved between the upper end of the protective cover 5 and the rock layer 15, grouting is carried out through the grouting pipeline 7, cement slurry flows into a gap between the protective cover 5 and the rock layer 15 through the grouting pipeline 7, the shunt pipe 10 and the grouting branch pipe 9 to form a grouting layer 16, after the grouting layer 16 is solidified, the protective cover 5 is tightly connected with the rock layer 15, ventilation is carried out to the inside of the gold mine through the ventilation pipeline 6 after the support is completed, fresh air flows into the inside of the gold mine through the ventilation pipeline 6, the shunt pipe 10 and the ventilation branch pipe 8, and after the inside of the gold mine does not need to be supported, and (4) removing the supporting device, and forming a regular cement surface on the inner wall of the gold ore.

Protection casing 5 is including the support semicanal 501 that the symmetry set up, be connected with wallboard 502 between two upper walls that support semicanal 501, two inside that support semicanal 501 all are equipped with installation semicanal 503, be connected with backup pad 504 between the internal surface that supports semicanal 501 and the surface of installation semicanal 503, ventilation pipe 6 and grout pipeline 7 set up the inside at both sides installation semicanal 503 respectively, through supporting semicanal 501 with protection casing 5 and roof 4 fixed connection, and be connected to together two support semicanal 501 through wallboard 502, set up installation semicanal 503 through backup pad 504 in the inside that supports semicanal 501, provide installation space for ventilation pipe 6 and grout pipeline 7 through installation semicanal 503, through the inside structure that sets up installation semicanal 503 through backup pad 504 that supports semicanal 501, promote the structural stability of protection casing 5.

The upper end intercommunication of grout branch pipe 9 is connected with a plurality of grout pipes 11, and the upper end of grout pipe 11 runs through the upper wall of protection casing 5, and the upper end intercommunication of grout pipe 11 is connected with out thick liquid head 12, and play thick liquid head 12 sets up on the upper wall surface of protection casing 5, lets in grout branch pipe 9's inside with grout through grout pipeline 7, fills in grout layer 16 through play thick liquid pipe 11 and play thick liquid head 12 afterwards.

The lower end of the ventilation branch pipe 8 is connected with a plurality of ventilation openings 13 in a communicating way, the lower end of the ventilation opening 13 penetrates through the top plate 4, and fresh air flows into the ventilation branch pipe 8 through the ventilation pipeline 6 and then diffuses into the gold ores through the ventilation opening 13.

The lower surface both sides of roof 4 and be equipped with protection plate 14 in the outside of hydraulic stem 3, the lower extreme internal surface of protection plate 14 supports on the surface of lateral wall 2, sets up protection plate 14 under roof 4, and the lower extreme of protection plate 14 supports protection plate 14 simultaneously through roof 4 and lateral wall 2 on lateral wall 2, protects hydraulic stem 3 through protection plate 14.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel gold mine underground mining roof strutting arrangement which characterized in that: comprises a bottom plate (1), side walls (2) are arranged on two sides of the upper surface of the bottom plate (1), a plurality of hydraulic rods (3) are arranged inside the side walls (2) on two sides, a top plate (4) is arranged at the upper end of the hydraulic rod (3), a protective cover (5) is arranged on the upper surface of the top plate (4), a ventilating duct (6) is arranged on one side of the upper surface of the top plate (4) and inside the protective cover (5), a grouting pipeline (7) is arranged on the other side of the upper surface of the top plate (4) and inside the protective cover (5), a ventilation branch pipe (8) is arranged in the middle of the upper surface of the top plate (4), the inner surface of the upper wall of the protective cover (5) is provided with grouting branch pipes (9), the ventilation pipeline (6) is communicated with the ventilation branch pipes (8) and the grouting pipeline (7) is communicated with the grouting branch pipes (9) to form a shunt pipe (10).

2. The novel supporting device for the gold mine underground mining roof as claimed in claim 1, wherein: protection casing (5) are including the support half pipe (501) that the symmetry set up, two be connected with wallboard (502) between the upper wall of support half pipe (501), two the inside of supporting half pipe (501) all is equipped with half pipe (503) of installation, support the internal surface of half pipe (501) with be connected with backup pad (504) between the surface of half pipe (503) of installation, ventilation pipe (6) reach grout pipeline (7) set up respectively in both sides the inside of half pipe (503) of installation.

3. The novel supporting device for the gold mine underground mining roof as claimed in claim 1, wherein: the upper end intercommunication of grout branch pipe (9) is connected with a plurality of play thick liquid pipes (11), the upper end of play thick liquid pipe (11) is run through the upper wall of protection casing (5), the upper end intercommunication of play thick liquid pipe (11) is connected with out thick liquid head (12), it sets up to go out thick liquid head (12) on the upper wall surface of protection casing (5).

4. The novel supporting device for the gold mine underground mining roof as claimed in claim 1, wherein: the lower end of the ventilation branch pipe (8) is communicated and connected with a plurality of ventilation openings (13), and the lower ends of the ventilation openings (13) penetrate through the top plate (4).

5. The novel supporting device for the gold mine underground mining roof as claimed in claim 1, wherein: protection plates (14) are arranged on two sides of the lower surface of the top plate (4) and on the outer side of the hydraulic rod (3), and the inner surface of the lower end of each protection plate (14) abuts against the outer surface of the corresponding side wall (2).