CN213419143U

CN213419143U - Supporting device convenient for construction in rock roadway tunneling

Info

Publication number: CN213419143U
Application number: CN202022418792.8U
Authority: CN
Inventors: 陈杰; 徐臣臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-11
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a support device about rock gangway tunnelling of convenient construction relates to the tunnelling and struts technical field. The telescopic oil cylinder is characterized by being provided with an inner rod and outer cylinders which are sleeved, wherein a plurality of transverse reinforcing ribs are welded between the two outer cylinders, and a telescopic oil cylinder is fixedly arranged on the transverse reinforcing rib on the uppermost layer; the telescopic oil cylinder is characterized in that a connecting plate is installed at the top of the telescopic oil cylinder, a first supporting plate or a second supporting plate is movably installed on the connecting plate, second connecting seats are welded at the lower ends of the first supporting plate and the second supporting plate respectively, a first connecting seat is welded on the inner side wall of the outer cylinder, and a telescopic connecting rod is movably connected between the first connecting seat and the second connecting seats. The utility model discloses can cooperate the excavator to carry out the cutting operation, in time strut the roof that exposes newly to do not influence the continuity of operation of entry driving machine, accelerated tunnelling efficiency.

Description

Supporting device convenient for construction in rock roadway tunneling

Technical Field

The utility model discloses a technical field is strutted in the tunnelling, especially relates to a supporting device of rock gangway tunnelling of convenient construction.

Background

In current mining, particularly in underground mining of coal mines, tunneling operation of underground roadways is a prerequisite for all other mining operations. The fully mechanized excavation face of China has not adopted temporary support facilities for a long time, most of the current situation of underground excavation technology is that the excavator is generally stopped after cutting a coal cut, the excavator is withdrawn, and workers carry material equipment such as an anchor net, an anchor rod, an anchor cable and an anchor rod drilling machine to enter the front end to carry out permanent support operation such as net laying, anchor rod drilling and anchor cable drilling. The working time of the heading machine is only 5-10 minutes, the permanent support working time is 20-30 minutes or even longer, and the operation rate of the heading machine is only about 25%, so that the method becomes a main reason for restricting the production efficiency of the heading machine and the propelling speed of the heading face. The regulation of coal mine safety regulation states that the air-to-air operation is strictly forbidden for a tunneling face, a supporting device is an instruction device when a tunneling work face is faced, a traditional temporary supporting device cannot timely support an empty roof, cannot effectively avoid repeated supporting of a top plate, cannot fundamentally solve the problem of temporary supporting of a roadway, and cannot provide help for permanent supporting operation.

In summary, the problems of the prior art are as follows: the traditional temporary supporting device cannot support the empty roof in time, cannot effectively avoid repeated supporting of the top plate, cannot fundamentally solve the problem of temporary supporting of the roadway, and cannot provide help for permanent supporting operation.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique, the utility model discloses an embodiment provides a supporting device that the rock gangway that makes things convenient for the construction was tunneled. The technical scheme is as follows:

the utility model is realized in such a way that a supporting device for rock roadway tunneling convenient for construction is provided with an inner rod and an outer cylinder which are sleeved, a plurality of transverse reinforcing ribs are welded between the two outer cylinders, and a telescopic oil cylinder is fixedly arranged on the transverse reinforcing rib on the uppermost layer;

the telescopic oil cylinder is characterized in that a connecting plate is installed at the top of the telescopic oil cylinder, a first supporting plate or a second supporting plate is movably installed on the connecting plate, second connecting seats are welded at the lower ends of the first supporting plate and the second supporting plate respectively, a first connecting seat is welded on the inner side wall of the outer cylinder, and a telescopic connecting rod is movably connected between the first connecting seat and the second connecting seats.

In one embodiment, the transverse reinforcing ribs between the adjacent upper and lower layers are welded with the oblique reinforcing ribs.

In one embodiment, the transverse reinforcing ribs and the oblique reinforcing ribs are connected end to end in a zigzag structure.

In one embodiment, a base plate is arranged at the bottom of the connecting plate, and the top of the telescopic oil cylinder is connected with the base plate.

In one embodiment, a plurality of grooves are formed in the bottom of the first supporting plate, a plurality of fixing plates matched with the grooves are arranged at the bottom of the second supporting plate, and the fixing plates are inserted into the grooves.

In one embodiment, the first support plate and the second support plate are provided with support portions, and the support portions are provided with connecting arms near the connecting plate side.

In one embodiment, a first through hole is formed in the middle of the connecting arm, a second through hole is formed in the middle of the connecting plate, the first through hole and the second through hole are located on the same center line, and a fixing rod is arranged in the first through hole and the second through hole.

The utility model discloses a technical scheme that embodiment provided can include following beneficial effect:

1. the utility model discloses it is rational in infrastructure, through height-adjustable's backup pad, can cooperate the entry driving machine to carry out the cutting operation, in time strut the roof that exposes newly to do not influence the continuity of operation of entry driving machine, accelerated tunnelling efficiency.

2. The utility model discloses collapsible accomodating for interim supporting, can assist the tunnel to carry out the permanent supporting operation, makes the anchor protect the process and goes on in succession, has reduced traditional tunnelling, anchor and has protected the preparation time of operation in turn for anchor protection efficiency has realized mechanized interim supporting when, has important meaning to improving tunnelling efficiency.

3. The utility model discloses a dead lever can carry out auxiliary stay to the backup pad, can alleviate telescopic connecting rod's pressure, increases the stability of backup pad.

4. The utility model discloses compare with present tunnel temporary support, realized the separation of entry driving machine work with the permanent support operation, liberated the restraint that tunnelling, anchor brought for tunnelling efficiency in turn in very big degree. The utility model discloses but wide application has important meaning to guaranteeing high yield, high efficiency and the safety in colliery in the big section tunnel tunnelling work in colliery.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural diagram of a supporting device for rock roadway excavation convenient for construction provided by the utility model;

fig. 2 is a schematic structural diagram of the supporting device for rock roadway excavation convenient for construction provided by the utility model;

fig. 3 is a schematic structural diagram of a first support plate for rock roadway excavation, which is convenient for construction;

fig. 4 is a schematic structural diagram of a second support plate for rock roadway excavation, which is convenient for construction;

reference numerals:

1. an outer cylinder; 2. an inner rod; 3. a connecting plate; 4. a telescopic connecting rod; 5. transverse reinforcing ribs; 6. a first support plate; 7. a second support plate; 8. a second connecting seat; 9. a first connecting seat; 10. oblique reinforcing ribs; 11. a telescopic oil cylinder; 12. a base plate; 13. a fixing plate; 14. a groove; 15. a connecting arm; 16. and (5) fixing the rod.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of other embodiments without departing from the spirit and scope thereof as defined by the appended claims.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The number of the telescopic upright columns is two, and the telescopic upright columns are provided with outer cylinders 1 and inner rods 2; a transverse reinforcing rib 5 is arranged between the two outer cylinders 1; 2 upper end welding has connecting plate 3 in two, and 3 both sides of connecting plate are provided with first backup pad 6 or second backup pad 7 through the pivot, the utility model discloses collapsible accomodating for temporary support, can assist the tunnel to carry out the permanent shoring operation, makes the anchor protect process go on in succession, has reduced traditional tunnelling, anchor and has protected the preparation time of operation in turn for anchor protection efficiency.

A telescopic connecting rod 4 is arranged between the first supporting plate 6 or the second supporting plate 7 and the outer cylinder 1.

In order to make the utility model discloses a flexible stand is more stable, strengthens the device and is provided with horizontal strengthening rib 5 and slant strengthening rib 10, and horizontal strengthening rib 5 and slant strengthening rib 10 end to end connection are the zigzag.

Transverse reinforcing ribs 5 are fixed between the outer cylinders 1, telescopic oil cylinders 11 are arranged on the uppermost transverse reinforcing ribs 5 through bolts, and the upper ends of the telescopic oil cylinders 11 are fixedly connected with the connecting plate 3; a backing plate 12 is arranged between the telescopic oil cylinder 11 and the connecting plate 3.

The first supporting plate 6 is provided with a supporting part, two sides of one end of the supporting part are provided with connecting arms 15, and the end parts of the connecting arms 15 are rotatably connected with the connecting plate 3; supporting part other end bottom is provided with recess 14, is provided with the screw hole in the recess 14, the utility model discloses collapsible accomodating for interim support, can assist the tunnel to carry out the permanent supporting operation, makes anchor protection process go on in succession, has reduced the preparation time of traditional tunnelling, anchor protection alternate operation for anchor protection efficiency, when realizing mechanized interim support, has important meaning to improving tunnelling efficiency.

The second supporting plate 7 is provided with a supporting part, two sides of one end of the supporting part are provided with connecting arms 15, and the end parts of the connecting arms 15 are rotatably connected with the connecting plate 3; the bottom of the other end of the supporting part is provided with a fixing plate 13, and the fixing plate 13 is provided with a fixing bolt.

A first through hole is formed in the middle of the connecting arm 15, a second through hole is formed in the middle of the connecting plate 3, and the first through hole and the second through hole are located on the same center line; be provided with dead lever 16 in first through-hole and the second through-hole, can carry out auxiliary stay to the backup pad through dead lever 16, can alleviate telescopic link 4's pressure, increase the stability of backup pad.

Be provided with first connecting seat 9 in the urceolus 1, first backup pad 6 and second backup pad 7 downside are provided with second connecting seat 8, and telescopic link 4 both ends rotate with first connecting seat 9 and second connecting seat 8 respectively and are connected.

The utility model discloses a theory of operation does: will the utility model discloses arrange the workplace in, make

first backup pad

6 and 7 relative settings of second backup pad, prop up

first backup pad

6 and 7 second backup pads through telescopic link 4, insert first through-hole and second through-hole with dead lever 16 and fix, promote

first backup pad

6 and 7 second backup pads to same level through flexible hydro-cylinder 11, at this moment, fixed plate 13 just in time the joint in recess 14, it is fixed with fixed plate 13 and recess 14 through the bolt.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.

Claims

1. The support device for the rock roadway tunneling convenient to construct is characterized by comprising an inner rod and an outer cylinder which are sleeved, a plurality of transverse reinforcing ribs are welded between the two outer cylinders, and a telescopic oil cylinder is fixedly mounted on the transverse reinforcing rib on the uppermost layer;

2. The support device for facilitating the construction of a rock drivage according to claim 1, wherein the oblique reinforcing ribs are welded to the transverse reinforcing ribs between the adjacent upper and lower floors.

3. The support device for facilitating construction of rock drivage according to claim 2, wherein the transverse reinforcing ribs and the oblique reinforcing ribs are connected end to end in a zigzag structure.

4. The support device for facilitating construction of a rock roadway according to claim 1, wherein a base plate is arranged at the bottom of the connecting plate, and the top of the telescopic cylinder is connected with the base plate.

5. The support device for facilitating construction of a rock drivage according to claim 1, wherein a plurality of grooves are formed in the bottom of the first support plate, a plurality of fixing plates matched with the grooves are formed in the bottom of the second support plate, and the fixing plates are inserted into the grooves.

6. The support device for facilitating rock drivage according to claim 5, wherein the first support plate and the second support plate are provided with support portions, and the support portions are provided with connecting arms near the side of the connecting plates.

7. The support device for facilitating construction of a rock drivage as claimed in claim 6, wherein a first through hole is formed in the middle of the connecting arm, a second through hole is formed in the middle of the connecting plate, the first through hole and the second through hole are located on the same center line, and a fixing rod is arranged in the first through hole and the second through hole.