CN213743463U

CN213743463U - Safety support structure for underground excavation of coal mine

Info

Publication number: CN213743463U
Application number: CN202022888806.2U
Authority: CN
Inventors: 王伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-20
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a colliery is safety support structure for underground excavation, including first support diaphragm, the equal fixed welding in position all around of first support diaphragm bottom has a bracing piece, and the bottom fixed position of four group's bracing pieces installs the concrete cushion, and four group's first support diaphragms are close to one side lateral wall upper end each other and all incline fixed mounting have the auxiliary rod, and the one end that four group's auxiliary rod tops are close to is fixed with first support diaphragm bottom. Thereby this colliery is excavated in pit and is used safety support structure drives the supporting wheel downstream through starting two sets of cylinder contractions, makes one side that the diaphragm is close to each other to two sets of second support through the articulated shaft downwardly rotating under the action of gravity of diaphragm is strutted to the second, when the thing that drops such as rubble appears at the tunnel top, strut the diaphragm position in the middle of the diaphragm with the thing that drops such as rubble automatically to collect two sets of second under the effect of diaphragm is strutted to two sets of second, prevent that the thing that drops such as rubble from dropping the accident and causing the potential safety hazard to the staff.

Description

Safety support structure for underground excavation of coal mine

Technical Field

The utility model relates to a coal mine equipment technical field specifically is a colliery is safety support structure for digging in pit.

Background

China is rich in coal resources, coal mines are mainly divided into overground coal mines and underground coal mines according to different operation environments, a safety supporting structure is required to be used in underground coal mine excavation operation to guarantee operation safety, the traditional safety supporting structure for underground coal mine excavation can basically meet the use requirements of people, but certain problems still exist, and the specific problems are as follows:

most of underground coal mine excavation safety support structures in the current market often have falling objects such as broken stones and the like to accidentally fall when the top of a roadway moves, and huge potential safety hazards are caused to operating personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is excavated and is used safety support structure in pit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery is safety support structure for underground excavation, includes first support diaphragm, the equal fixed welding in position all around of first support diaphragm bottom has a bracing piece, four groups the bottom fixed mounting of bracing piece has concrete cushion, four groups first support diaphragm is close to one side lateral wall upper end each other and all inclines fixed mounting have an auxiliary rod, four groups the one end that the auxiliary rod top is close to is fixed with first support diaphragm bottom, the equal fixed welding in both sides position at first support diaphragm top has the bracing piece, controls two groups the top position of bracing piece all articulates through the articulated shaft has a coasting mechanism, controls two groups the top fixed mounting of coasting mechanism has the second to strut the diaphragm, controls two groups the one end that the second strut the diaphragm is close to each other is articulated through the articulated shaft.

Preferably, in the safety support structure for underground excavation of a coal mine, the sliding mechanism comprises a sliding plate and a sliding frame, the sliding frame is fixedly arranged at one end, away from each other, of the bottom of the second support transverse plate, the sliding frame is arranged at the left end and the right end, the sliding frame is fixedly arranged at the bottom of the second support transverse plate, the sliding frame is arranged at the left end and the right end, and the sliding frame inner cavities are provided with sliding plates hinged to the top of the two support rods respectively.

Based on the technical characteristics, the potential safety hazard to workers caused by falling objects such as broken stones and the like at the top of the roadway is prevented conveniently.

Preferably, among the above-mentioned colliery is safety support structure for underground excavation, the equal fixed mounting in both sides position has the cylinder about first support diaphragm top, controls two sets of the cylinder all sets up the position between controlling two sets of bracing pieces, controls two sets of the equal fixed mounting in cylinder top output has the supporting wheel, controls two sets of supporting wheel top position is respectively with the supporting wheel that two sets of second support diaphragm bottom positions contacted.

Preferably, in the safety support structure for underground excavation of a coal mine, the upper end and the lower end of the inner part of each of the four groups of support rods are provided with a positioning transverse hole penetrating through the support rod, the upper group of positioning transverse holes and the lower group of positioning transverse holes are arranged at the positions below the four groups of auxiliary rods, and the inner cavities of the four groups of positioning transverse holes are provided with positioning transverse rods penetrating through the positioning transverse holes.

Based on the technical characteristics, the stability of the safety supporting structure for underground excavation of the coal mine is convenient to improve.

Preferably, in the safety support structure for underground excavation of a coal mine, the four groups of concrete cushion blocks are all in a step shape, and the top sizes of the four groups of concrete cushion blocks are smaller than the bottom sizes.

Preferably, among the above-mentioned safety support structure for underground excavation of colliery, four groups the equal fixed mounting in bottom position of concrete cushion left and right sides wall has a location diaphragm, four groups the inside intermediate position department of location diaphragm all sets up the location that runs through the location diaphragm and erects the hole, four groups the location is erected downthehole and all is provided with the location montant that runs through the location and erects the hole.

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

firstly, through the design of the technical scheme, the positioning vertical rods penetrate through the positioning vertical holes so as to fix the safety support structure for underground coal mine excavation with the bottom of a roadway, and then the positioning transverse rods penetrate through the positioning transverse holes so as to fix the side positions of the roadway, so that the installation stability of the safety support structure for underground coal mine excavation is improved conveniently;

second, through the design of this technical scheme, thereby start two sets of cylinder contractions and drive supporting wheel downstream, make two sets of seconds strut one side that the diaphragm is close to each other and rotate downwards through the articulated shaft under the action of gravity that the diaphragm was strutted to the second, make the slide in the inner chamber of carriage under the effect of articulated shaft, when rubble etc. dropped thing appears at the tunnel top, strut the position in the middle of the diaphragm with rubble etc. dropped thing collection two sets of seconds automatically under the effect of diaphragm is strutted to two sets of seconds, prevent that rubble etc. dropped thing accident from dropping and causing the potential safety hazard to the staff.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

fig. 2 is a schematic view of the structure of the right side of the present invention.

In the figure: 1. an auxiliary lever; 2. positioning the cross bar; 3. positioning the transverse hole; 4. positioning the vertical rod; 5. positioning a transverse plate; 6. a concrete pad; 7. positioning the vertical hole; 8. a support bar; 9. a support bar; 10. a first supporting transverse plate; 11. a second supporting transverse plate; 12. a support wheel; 13. a cylinder; 14. a coasting mechanism; 1401. a slide plate; 1402. and (6) sliding the frame.

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. 1-2, the present invention provides an embodiment: the utility model provides a colliery is safety support structure for underground excavation, including first protection diaphragm 10, all fixed welding in position all around of first protection diaphragm 10 bottom has a support pole 8, the bottom fixed mounting of four group support poles 8 has concrete cushion 6, four group first protection diaphragms 10 are close to one side lateral wall upper end each other and all incline fixed mounting have auxiliary rod 1, the one end that four group auxiliary rod 1 tops are close to is fixed mutually with first protection diaphragm 10 bottom, the left and right sides position at first protection diaphragm 10 top all fixed welding has bracing piece 9, the top position of controlling two sets of bracing piece 9 all articulates through the articulated shaft has glide mechanism 14, the top position fixed mounting of controlling two sets of glide mechanism 14 has second to strut diaphragm 11, control two sets of second and strut the one end that diaphragm 11 is close to each other and articulate through the articulated shaft.

Please refer to fig. 1 and 2 in the drawings of the specification: the sliding mechanism 14 comprises a sliding plate 1401 and sliding frames 1402, the left and right groups of sliding frames 1402 are respectively and fixedly installed at the ends, far away from each other, of the bottoms of the left and right groups of second supporting transverse plates 11, and the sliding plates 1401 respectively hinged with the tops of the two groups of supporting rods 9 are respectively arranged in the inner cavities of the left and right groups of sliding frames 1402.

Please refer to fig. 1 in the drawings of the specification: the equal fixed mounting in first protection diaphragm 10 top left and right sides position has cylinder 13, and the model of this cylinder 13 can be QGB400 125, and the shift knob setting of this cylinder 13 is in suitable position department, controls two sets of cylinders 13 and all sets up the position between controlling two sets of bracing pieces 9, controls the equal fixed mounting in two sets of cylinders 13 top outputs and has supporting wheel 12, controls the supporting wheel 12 top position of two sets of supporting wheels 12 and struts the supporting wheel 12 that diaphragm 11 bottom position contacted with two sets of second respectively.

Please refer to fig. 1 and 2 in the drawings of the specification: the inside upper and lower both ends of four groups of support bars 8 all set up the location cross bore 3 that runs through support bar 8, and upper and lower two sets of location cross bores 3 all set up the below position at four groups of

auxiliary rods

1, and 3 inner chambers of four groups of location cross bores all are provided with the location horizontal pole 2 that runs through location cross bore 3.

Please refer to fig. 1 and 2 in the drawings of the specification: the four groups of concrete cushion blocks 6 are all arranged in a ladder shape, and the top sizes of the four groups of concrete cushion blocks 6 are smaller than the bottom sizes.

Please refer to fig. 1 and 2 in the drawings of the specification: the bottom positions of the left side wall and the right side wall of each group of concrete cushion blocks 6 are fixedly provided with positioning transverse plates 5, the middle positions inside the four groups of positioning transverse plates 5 are provided with positioning vertical holes 7 penetrating through the positioning transverse plates 5, and the positioning vertical rods 4 penetrating through the positioning vertical holes 7 are arranged inside the four groups of positioning vertical holes 7.

The working principle is as follows: when the safety support structure for underground coal mine excavation is used, the safety support structure for underground coal mine excavation is placed at a proper position through four groups of concrete cushion blocks 6, the positioning vertical rods 4 penetrate through the positioning vertical holes 7 firstly, then the safety support structure for underground coal mine excavation is fixed with the bottom position of a roadway, then the positioning transverse rods 2 penetrate through the positioning transverse holes 3 and are fixed with the side positions of the roadway, so that the installation stability of the safety support structure for underground coal mine excavation is improved, the top position of the roadway is supported under the action of the second support transverse plates 11, when the safety support structure for underground coal mine excavation needs to be moved, two groups of air cylinders 13 are started to contract firstly, so that the support wheels 12 are driven to move downwards, one sides of the two groups of second support transverse plates 11, which are close to each other, are enabled to rotate downwards through articulated shafts under the action of the gravity of the second support transverse plates 11, make slide 1401 slide in the inner chamber of sliding frame 1402 under the effect of articulated shaft, when the thing that drops such as rubble appears at the tunnel top, the position in the middle of diaphragm 11 is strutted to two sets of second to automatic collection of the thing that drops such as rubble under diaphragm 11's effect is strutted to two sets of second, prevents that the thing that drops such as rubble from accidentally dropping and causes the potential safety hazard to the staff, is convenient for improve this colliery and excavate in pit with safety support structure's stability under the effect of auxiliary rod 1, the above does the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a colliery is safety support structure for underground excavation, includes first support diaphragm (10), its characterized in that: the periphery of the bottom of the first supporting transverse plate (10) is fixedly welded with supporting rods (8), the bottom of the four groups of supporting rods (8) is fixedly provided with a concrete cushion block (6), the upper ends of the side walls of the four groups of first supporting transverse plates (10) close to each other are obliquely and fixedly provided with auxiliary rods (1), the ends of the four groups of auxiliary rods (1) close to the top are fixed with the bottom of the first supporting transverse plate (10), the left and right sides position at first support diaphragm (10) top all fixed welding have bracing piece (9), control two sets of the top position of bracing piece (9) all articulates through the articulated shaft has coasting mechanism (14), controls two sets of the top position fixed mounting of coasting mechanism (14) has the second to strut diaphragm (11), controls two sets of diaphragm (11) are strutted to the second one end that is close to each other is articulated through the articulated shaft.

2. The safety support structure for underground excavation of a coal mine according to claim 1, wherein: the sliding mechanism (14) comprises sliding plates (1401) and sliding frames (1402), the left group and the right group of sliding frames (1402) are fixedly installed at one ends, far away from the bottom of the left group and the right group of second supporting transverse plates (11), respectively, and the sliding plates (1401) which are respectively hinged with the top positions of the two groups of supporting rods (9) are arranged in the inner cavities of the left group and the right group of sliding frames (1402).

3. The safety support structure for underground excavation of a coal mine according to claim 1, wherein: first support diaphragm (10) top left and right sides position equal fixed mounting has cylinder (13), controls two sets of cylinder (13) all sets up the position between controlling two sets of bracing pieces (9), controls two sets of the equal fixed mounting of cylinder (13) top output has supporting wheel (12), controls two sets of supporting wheel (12) top position is strutted diaphragm (11) bottom position with two sets of seconds respectively and is contacted supporting wheel (12).

4. The safety support structure for underground excavation of a coal mine according to claim 1, wherein: four sets of location cross bore (3) that run through a fender pole (8) are all seted up at both ends about fender pole (8) is inside, and upper and lower two sets of location cross bore (3) all set up the below position at four sets of auxiliary rods (1), four sets of location cross bore (3) inner chamber all is provided with location horizontal pole (2) that run through location cross bore (3).

5. The safety support structure for underground excavation of a coal mine according to claim 1, wherein: the four groups of concrete cushion blocks (6) are all arranged in a step shape, and the top sizes of the four groups of concrete cushion blocks (6) are smaller than the bottom sizes.

6. The safety support structure for underground excavation of a coal mine according to claim 1, wherein: four groups there are location diaphragm (5), four groups to the bottom position of concrete cushion (6) left and right sides wall all fixed mounting location diaphragm (5) the inside intermediate position department of location diaphragm (5) all sets up the location that runs through location diaphragm (5) and erects hole (7), four groups location vertical rod (4) that the location vertical rod (7) of running through the location vertical rod (7) are all provided with to the inside in location vertical rod hole (7).