CN209942854U

CN209942854U - Tunnel supporting device for coal mining with shock-absorbing function

Info

Publication number: CN209942854U
Application number: CN201920797430.9U
Authority: CN
Inventors: 刘洪洋; 马晖; 杨军伟; 魏中举; 谢小平
Original assignee: Liupanshui Normal University
Current assignee: Liupanshui Normal University
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-01-14
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a coal mining roadway support device with shock absorption function, which comprises a first rectangular plate, wherein the first rectangular plate is provided with two groups, and two groups are symmetrically arranged, the lower surface of the first rectangular plate is fixedly welded with a conical block, the upper surface of the first rectangular plate is provided with a first spring groove, the inside of the first spring groove is provided with a shock absorption spring, one side of the first spring groove is provided with a countersunk hole, the inside of the countersunk hole is provided with an expansion bolt, the upper end of the shock absorption spring is provided with a second rectangular plate, the upper surface of the second rectangular plate is fixedly welded with a stand column, and the lower surface of the second rectangular plate is provided with a second spring groove, the utility model can achieve the shock absorption and buffering function, and avoid the situation that the support device is deformed and damaged due to extrusion or strong vibration, the service life of the supporting device is prolonged, and the arrangement work of the internal lines of the roadway is facilitated.

Description

Tunnel supporting device for coal mining with shock-absorbing function

Technical Field

The utility model relates to a tunnel technical field specifically is a tunnel supporting device for coal mining with shock-absorbing function.

Background

A roadway is a channel that is tunneled for mining lifting, transportation, ventilation, drainage, power supply, and the like during underground mining. The section shape of the roadway is mostly arch, trapezoid or rectangle, the surrounding rock is soft and is round, oval or horseshoe, the roadway needs to be supported in the coal mining process, and then a supporting device needs to be used.

At present, a roadway supporting device is adopted in coal mining, the damping and buffering effect cannot be achieved, the supporting device is prone to deformation and damage caused by extrusion or strong vibration, the service life of the supporting device is short, and arrangement work of internal lines of a roadway is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel supporting device for coal mining with shock-absorbing function can reach the effect of shock attenuation buffering, has avoided causing the supporting device to take place the condition of deformation damage because of receiving extrusion or strong sense of vibration, has prolonged supporting device's life, the range work of the tunnel internal line of being convenient for to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a roadway supporting device with a damping function for coal mining comprises two groups of first rectangular plates, wherein the two groups of first rectangular plates are symmetrically arranged, conical blocks are fixedly welded on the lower surfaces of the first rectangular plates, first spring grooves are formed in the upper surfaces of the first rectangular plates, damping springs are arranged inside the first spring grooves, countersunk holes are formed in one sides of the first spring grooves, expansion bolts are arranged inside the countersunk holes, second rectangular plates are arranged at the upper ends of the damping springs, stand columns are fixedly welded on the upper surfaces of the second rectangular plates, second spring grooves are formed in the lower surfaces of the second rectangular plates, the upper ends of the damping springs are arranged inside the second spring grooves, arched beams are fixedly connected between the upper ends of the two groups of stand columns, and the upper ends of the inner sides of one group of the stand columns are provided with wire arrangement grooves, one side of wire arrangement groove is equipped with the boss, just the opposite side of wire arrangement groove articulates through the hinge has the door plant, install the handle on the door plant, just fixed mounting has the buckle on the door plant, the buckle is provided with two sets ofly, and two sets of the buckle symmetry sets up.

Preferably, the number of the buckles is the same as that of the bosses, and the buckles are clamped with the bosses.

Preferably, four groups of counter bores are arranged and are respectively positioned at four corners of the first rectangular plate.

Preferably, the number of the first spring grooves is the same as that of the second spring grooves, and the first spring grooves and the second spring grooves are correspondingly formed.

Preferably, the first rectangular plate is a stainless steel rectangular plate, and the second rectangular plate is also a stainless steel rectangular plate.

Preferably, the handle is located at the center of the door panel.

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

1. the first rectangular plate can be better fixed on the ground surface in the roadway through the arranged expansion bolts and the conical blocks, and the supporting device can achieve the effect of damping and buffering when being extruded or strongly shocked by the plurality of groups of damping springs, so that the situation that the supporting device is deformed and damaged due to extrusion or strong shocking is avoided, and the service life of the supporting device is prolonged;

2. through seting up some winding displacement grooves, can arrange the inside of winding displacement groove in with the inside circuit that needs to arrange in the tunnel, merge buckle and boss together, can cover the door plant on the surface of winding displacement groove, can reach the fixed work to the circuit, and then the arrangement work of the inside circuit of the tunnel of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the upper surface structure of the first rectangular plate of the present invention;

fig. 3 is a schematic view of a lower surface structure of a second rectangular plate according to the present invention;

FIG. 4 is a schematic structural view of the column part of the present invention;

fig. 5 is a schematic view of the door panel structure of the present invention.

In the figure: the damping device comprises a first rectangular plate 1, a conical block 2, a first spring groove 3, a damping spring 4, a counter bore 5, an expansion bolt 6, a second rectangular plate 7, a vertical column 8, a second spring groove 9, an arched beam 10, a wire arrangement groove 11, a boss 12, a hinge 13, a door panel 14, a handle 15 and a buckle 16.

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. 1-5, the present invention provides a technical solution: a roadway supporting device with a damping function for coal mining comprises two groups of first rectangular plates 1, wherein the two groups of first rectangular plates 1 are symmetrically arranged, conical blocks 2 are fixedly welded on the lower surfaces of the first rectangular plates 1, first spring grooves 3 are formed in the upper surfaces of the first rectangular plates 1, damping springs 4 are arranged inside the first spring grooves 3, countersunk holes 5 are formed in one sides of the first spring grooves 3, expansion bolts 6 are arranged inside the countersunk holes 5, second rectangular plates 7 are arranged at the upper ends of the damping springs 4, stand columns 8 are fixedly welded on the upper surfaces of the second rectangular plates 7, second spring grooves 9 are formed in the lower surfaces of the second rectangular plates 7, the upper ends of the damping springs 4 are arranged inside the second spring grooves 9, and the expansion bolts 6 and the conical blocks 2 are arranged, the first rectangular plate 1 can be better fixed on the ground surface in the roadway, and by the multiple groups of damping springs 4, when the supporting device is extruded or strongly shocked, the effect of damping and buffering can be achieved, the situation that the supporting device is deformed and damaged due to extrusion or strong shocking is avoided, and the service life of the supporting device is prolonged; two sets of fixedly connected with arched beam 10 between the upper end of stand 8, and one of them is a set of winding displacement groove 11 has been seted up to the inboard upper end of stand 8, one side of winding displacement groove 11 is equipped with boss 12, just the opposite side of winding displacement groove 11 articulates through hinge 13 has door plant 14, install handle 15 on the door plant 14, just fixed mounting has buckle 16 on the door plant 14, buckle 16 is provided with two sets ofly, and two sets of buckle 16 symmetry sets up, through setting up some winding displacement groove 11, can arrange the inside of winding displacement groove 11 in with the circuit that the inside needs to be arranged in the tunnel, merges buckle 16 and boss 12 together, can cover door plant 14 on the surface of winding displacement groove 11, can reach the fixed work to the circuit, and then the arrangement work of the inside circuit of the tunnel of being convenient for.

Furthermore, the number of the buckles 16 is the same as that of the bosses 12, the buckles 16 are clamped with the bosses 12, the door panel 14 can be covered on the surface of the wire arranging groove 11 through the clamping of the buckles 16 with the bosses 12, and the purpose of fixing the wire is achieved.

Further, counter sink 5 is provided with four groups, and four groups counter sink 5 is located the four corners of first rectangular plate 1 respectively, through four groups counter sink 5 is located the four corners of first rectangular plate 1 respectively, can be better reach the fixed work with the ground surface of first rectangular plate 1.

Furthermore, the number of the first spring grooves 3 is the same as that of the second spring grooves 9, the first spring grooves 3 are formed corresponding to the second spring grooves 9, and the first spring grooves 3 are formed corresponding to the second spring grooves 9, so that the damping and buffering effects can be better achieved.

Further, first rectangular plate 1 be the stainless steel rectangular plate, second rectangular plate 7 also is the stainless steel rectangular plate, is the stainless steel rectangular plate through first rectangular plate 1 and second rectangular plate 7, can prevent that the rusty condition from appearing in the rectangular plate, prolongs the life of rectangular plate.

Further, the handle 15 is located at the center of the door panel 14, and the handle 15 is located at the center of the door panel 14, so that the door panel 14 can be opened and closed conveniently.

The working principle is as follows: this roadway support device for coal mining with shock-absorbing function, through expansion bolts 6 and the toper piece 2 that is equipped with, can be better fix first rectangular plate 1 on the inside earth's surface in tunnel, through the multiunit damping spring 4 that is equipped with, when this support device receives extrusion or strong vibration, can reach the effect of shock attenuation buffering, avoided causing the condition that support device takes place deformation damage because of receiving extrusion or strong vibration, support device's life has been prolonged, through arranging wire casing 11 of seting up, can arrange wire casing 11's inside with the inside circuit that needs to arrange in the tunnel, merge buckle 16 and boss 12 together, can cover door plant 14 on the surface of arranging wire casing 11, can reach the fixed work to the circuit, and then the arrangement work of the interior circuit of the tunnel of being convenient for.

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 roadway support device for coal mining with shock-absorbing function, includes first rectangular plate (1), its characterized in that: the damping device is characterized in that two groups of first rectangular plates (1) are arranged, the two groups of first rectangular plates (1) are symmetrically arranged, conical blocks (2) are fixedly welded on the lower surfaces of the first rectangular plates (1), first spring grooves (3) are formed in the upper surfaces of the first rectangular plates (1), damping springs (4) are arranged inside the first spring grooves (3), countersunk holes (5) are formed in one sides of the first spring grooves (3), expansion bolts (6) are arranged inside the countersunk holes (5), second rectangular plates (7) are arranged at the upper ends of the damping springs (4), stand columns (8) are fixedly welded on the upper surfaces of the second rectangular plates (7), second spring grooves (9) are formed in the lower surfaces of the second rectangular plates (7), the upper ends of the damping springs (4) are arranged inside the second spring grooves (9), and arched beams (10) are fixedly connected between the upper ends of the stand columns (8), and wherein a set of wiring groove (11) have been seted up to the inboard upper end of stand (8), one side of wiring groove (11) is equipped with boss (12), just the opposite side of wiring groove (11) is articulated through hinge (13) has door plant (14), install handle (15) on door plant (14), just fixed mounting has buckle (16) on door plant (14), buckle (16) are provided with two sets ofly, and two sets of buckle (16) symmetry sets up.

2. The roadway support device for coal mining with the damping function as claimed in claim 1, wherein: the number of the buckles (16) is the same as that of the bosses (12), and the buckles (16) are clamped with the bosses (12).

3. The roadway support device for coal mining with the damping function as claimed in claim 1, wherein: four groups of counter bores (5) are arranged, and the four groups of counter bores (5) are respectively positioned at four corners of the first rectangular plate (1).

4. The roadway support device for coal mining with the damping function as claimed in claim 1, wherein: the number of the first spring grooves (3) is consistent with that of the second spring grooves (9), and the first spring grooves (3) and the second spring grooves (9) are correspondingly formed.

5. The roadway support device for coal mining with the damping function as claimed in claim 1, wherein: the first rectangular plate (1) is a stainless steel rectangular plate, and the second rectangular plate (7) is also a stainless steel rectangular plate.

6. The roadway support device for coal mining with the damping function as claimed in claim 1, wherein: the handle (15) is located at the center of the door panel (14).