CN212225290U

CN212225290U - Coal mine tunneling and supporting device

Info

Publication number: CN212225290U
Application number: CN202020772257.XU
Authority: CN
Inventors: 欧阳志龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-25
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a coal mine tunneling support device in the technical field of coal mine tunneling, which comprises at least two groups of support frames, wherein each support frame comprises support frames, four corners of the bottom of each support frame are fixedly provided with movable rollers, the top of each support frame is fixedly provided with a middle vertical hydraulic cylinder and a side vertical hydraulic cylinder, the output ends of the middle vertical hydraulic cylinder and the side vertical hydraulic cylinders are fixedly provided with arc-shaped support plates, the support frames of two adjacent support frames are symmetrically provided with horizontal hydraulic cylinders, one end of each horizontal hydraulic cylinder is fixedly connected with one support frame, the other end of each horizontal hydraulic cylinder is fixedly connected with the other support frame, two sides of the bottom of each support frame are provided with guide rails, and the guide rails are matched with the movable rollers. Meanwhile, the protection of the tunneling equipment is improved, and the tunneling work of the tunneling equipment is facilitated.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to a colliery tunnelling technical field specifically is a colliery tunnelling supporting device.

Background

The method is an area for mining coal resources in a coal-rich mining area by human beings, and is generally divided into a mineworker coal mine and an opencast coal mine. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.

Excavation is the task of excavating wells, roadways, chambers of various shapes, cross-sections, or criss-cross in rock or mineral formations. The tunneling process is divided into a main process and an auxiliary process. The main procedures are the procedures of ensuring the progress of the working face and the supporting operation in the roadway driving area directly completed on the working face. The main process is determined by the nature of the rock through which the roadway passes. When hard rock is tunneled, the main procedures comprise drilling, charging, blasting, ventilation, safety inspection of a working face, rock loading and roadway support; basic working procedures for tunneling soft rock comprise: digging, loading and supporting rock.

The invention discloses an auxiliary support device for coal mine roadway excavation in Chinese invention patent with the publication number of CN106958451B and publication date of 2019-04-19, wherein a movable wheel is arranged below a chassis, an excavation component is arranged on a rotary movable component which is arranged on the chassis in a sliding way, a support component is arranged on the rotary movable component, an auxiliary support component is also arranged at the top of the support component, the auxiliary support component is used for supporting a roadway support to be installed in an auxiliary way, and a movable counterweight component is also arranged on the chassis. The supporting and tunneling effect of the device is guaranteed, the balance of the device in the supporting and tunneling process is guaranteed, the tunneling and supporting efficiency of a roadway can be greatly improved, and the construction safety is guaranteed.

However, the supporting device is arranged on the tunneling equipment, and moves together with the tunneling equipment when the supporting device works, and when the tunneling equipment needs to advance, the supporting device also needs to move, and the supporting device moves integrally, so that the supporting effect of the top of the roadway is poor when the supporting device moves, and the supporting device is not beneficial to the tunneling work of the tunneling equipment.

Based on this, the utility model designs a specifically be a colliery tunnelling supporting device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery tunnelling supporting device to solve the traditional supporting device setting that provides in the above-mentioned background art on the heading equipment, it together removes with the heading equipment during operation, when heading equipment needs to go forward, supporting device also need remove, and supporting device is the bulk movement, leads to the relatively poor problem of top support effect in tunnel when removing simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine tunneling support device comprises at least two groups of support frames, wherein each support frame comprises a support frame, movable rollers are fixedly mounted at four corners of the bottom of each support frame, a middle vertical hydraulic cylinder is fixedly mounted in the middle of the top of each support frame, side vertical hydraulic cylinders are fixedly mounted on two sides of the top of each support frame, an arc-shaped support plate is fixedly mounted at the output ends of the middle vertical hydraulic cylinder and the side vertical hydraulic cylinders together, horizontal hydraulic cylinders are symmetrically arranged on the support frames of two adjacent support frames, one end of each horizontal hydraulic cylinder is fixedly connected with one support frame, and the other end of each horizontal hydraulic cylinder is fixedly connected with the other support frame;

the two sides of the bottom of the support frame are provided with guide rails, and the guide rails are matched with the movable rolling wheels.

The utility model discloses as above colliery tunnelling supporting device, it is further, the support frame is including the type of falling V pole that is located arc supporting plate inner chamber both sides, the both ends fixedly connected with of type of falling V pole is located the diaphragm of arc supporting plate bottom, the both ends symmetry fixedly connected with stand of diaphragm bottom is located the common fixedly connected with bottom plate in bottom of two stands of the same end of type of falling V pole.

The utility model discloses as above colliery tunnelling supporting device, it is further, middle vertical pneumatic cylinder fixed mounting is in the middle part point department of type of falling V pole, the vertical pneumatic cylinder fixed mounting of side is at the middle part on two sloping sides of type of falling V pole, horizontal hydraulic cylinder fixed mounting is on the bottom plate of two adjacent support frames.

The utility model discloses as above colliery tunnelling supporting device, it is further, be located between two stands of the same one side of type of falling V pole along vertical with same interval fixedly connected with side baffle.

The utility model discloses as above colliery tunnelling supporting device, it is further, the quantity of guide rail sets up to two sets of at least, and the length of every group guide rail is greater than the multiunit the support length sum.

The utility model discloses as above colliery tunnelling supporting device, it is further, every two removal gyro wheels of the equal symmetry fixed connection in both sides of bottom plate bottom, the top of guide rail is seted up along length direction on and with removal gyro wheel matched with roll spacing groove.

The utility model discloses as above colliery tunnelling supporting device, it is further, fixedly connected with direction subassembly between the top of two adjacent support frames.

The utility model discloses as above colliery tunnelling supporting device, it is further, the direction subassembly includes two fixing bases, and two fixing bases are fixed respectively on two adjacent support frames are with the type of falling V pole of one side, fixed mounting has the telescopic link between two fixing bases.

The utility model discloses as above colliery tunnelling supporting device, it is further, the telescopic link include the outer tube and with outer tube inner wall sliding connection's interior pole, the outer tube with interior pole one end of keeping away from each other respectively with two fixing base fixed connection.

The utility model discloses as above colliery tunnelling supporting device, it is further, the quantity of cradle is three groups, and the two sets of cradle length that lie in the direction of advance of tunnelling in three groups of cradles are the same, and the length of another group of cradle is the length sum of these two sets of cradles.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the support frame on the guide rail, make the support frame more stable when the top of guide rail removes, the tunnelling equipment sets up the inboard at the support frame, through setting up multiunit support frame, connect through horizontal pneumatic cylinder between two adjacent support frames, and utilize middle vertical pneumatic cylinder and side vertical pneumatic cylinder to drive the arc supporting plate lift in the support frame, the arc supporting plate moves upward and can support the tunnel top, the arc supporting plate moves down and can break away from with the tunnel top, in operation, move each support frame from the front end to the rear end along the tunnelling direction in proper order, and need to remove the arc supporting plate on the support frame and break away from with the tunnel top, the arc supporting plate of other immobile support frames still supports the tunnel top, utilize and need to remove the horizontal pneumatic cylinder that corresponds on the support frame and can drive this support frame and move forward;

the coal mine tunneling support device is simple in structure and reasonable in design, the moving mode is split type moving, the supporting effect of the device on a roadway when the device moves is guaranteed, meanwhile, the protection of tunneling equipment is improved, and the tunneling work of the tunneling equipment is facilitated.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic cross-sectional side view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-guide rail, 1 a-guide rail one, 1 b-guide rail two;

2-supporting frame, 2 a-first supporting frame, 2 b-second supporting frame, 2 c-third supporting frame, 21-supporting frame, 211-inverted V-shaped rod, 212-transverse plate, 213-upright column, 214-bottom plate, 22-movable roller, 23-middle vertical hydraulic cylinder, 24-side vertical hydraulic cylinder, 25-arc supporting plate and 26-side baffle plate;

3-a horizontal hydraulic cylinder, 3 a-a first horizontal hydraulic cylinder, 3 b-a second horizontal hydraulic cylinder;

4-a guide assembly.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a coal mine tunneling support device comprises three groups of support frames 2, the number of the support frames 2 is three, the support frames are respectively a first support frame 2a, a second support frame 2b and a third support frame 2c, the first support frame 2a and the second support frame 2b are positioned in the advancing direction of tunneling, the first support frame 2a and the second support frame 2b are the same in length, the third support frame 2c is the sum of the lengths of the first support frame 2a and the second support frame 2b, concretely, each support frame 2 comprises a support frame 21, four corners at the bottom of the support frame 21 are fixedly provided with movable rollers 22, the middle part at the top of the support frame 21 is fixedly provided with a middle vertical hydraulic cylinder 23, two sides at the top are fixedly provided with side edge vertical hydraulic cylinders 24, the output ends of the middle vertical hydraulic cylinder 23 and the side edge vertical hydraulic cylinders 24 are fixedly provided with arc-shaped support plates 25, the horizontal hydraulic cylinders 3 are symmetrically arranged on the support frames 21 of two adjacent support, one end of the horizontal hydraulic cylinder 3 is fixedly connected with one support frame 21, the other end of the horizontal hydraulic cylinder is fixedly connected with the other support frame 21, namely, the first support frame 2a and the second support frame 2b are connected through the first horizontal hydraulic cylinder 3a, the second support frame 2b and the third support frame 2c are connected through the second horizontal hydraulic cylinder 3b, through the arrangement of the middle vertical hydraulic cylinder 23 and the side vertical hydraulic cylinder 24, the middle vertical hydraulic cylinder 23 and the side vertical hydraulic cylinder 24 extend synchronously during working, so that the arc-shaped support plate 25 is driven to ascend to be in contact with the top of a roadway, the roadway tunneled in a coal mine is supported, equipment in the support frame 2 is protected, and through the arrangement of the horizontal hydraulic cylinder 3, the support frame 2 on one side can be driven to horizontally move along the tunneling direction by the expansion of the output end;

the support frame 21 comprises inverted V-shaped rods 211 positioned on two sides of an inner cavity of the arc-shaped support guard plate 25, two ends of each inverted V-shaped rod 211 are fixedly connected with a transverse plate 212 positioned at the bottom of the arc-shaped support guard plate 25, two ends of the bottom of each transverse plate 212 are symmetrically and fixedly connected with upright columns 213, the bottom ends of the two upright columns 213 positioned at the same end of each inverted V-shaped rod 211 are fixedly connected with a bottom plate 214 together, a middle vertical hydraulic cylinder 23 is fixedly arranged at the tip end of the middle of each inverted V-shaped rod 211, side vertical hydraulic cylinders 24 are fixedly arranged at the middle of two inclined sides of each inverted V-shaped rod 211, horizontal hydraulic cylinders 3 are fixedly arranged on the bottom plates 214 of the two adjacent support frames 21, side baffles 26 are fixedly connected between the two upright columns 213 positioned on the same side of each inverted V-shaped rod 211;

in addition, a guide assembly 4 is fixedly connected between the tops of two adjacent support frames 21, the guide assembly 4 comprises two fixed seats, the two fixed seats are respectively fixed on the inverted-V-shaped rods 211 on the same side of the two adjacent support frames 21, a telescopic rod is fixedly installed between the two fixed seats, the telescopic rod comprises an outer tube and an inner rod in sliding connection with the inner wall of the outer tube, one ends, far away from each other, of the outer tube and the inner rod are respectively and fixedly connected with the two fixed seats, and the tops of the two adjacent support frames 21 are connected and guided through the arrangement of the guide assembly 4, so that when the support frame 21 moves relative to the other support frame 21, the moving support frame 21 can;

the two sides of the bottom of the support frame 2 are provided with guide rails 1, and the guide rails 1 are matched with the movable rollers 22; specifically, the guide rails 1 are arranged into two groups, namely a guide rail I1 a and a guide rail II 1b, and the length of each group of guide rails 1 is greater than the sum of the lengths of the three groups of support frames 2; two removal gyro wheels 22 of the equal symmetry fixed connection in both sides of every bottom plate 214 bottom, guide rail 1's top has been seted up along length direction on and with removal gyro wheel 22 matched with roll spacing groove, through two sets of guide rail 1's setting, when three group cradle 2 are located same guide rail 1 completely, the user can place another guide rail 1 in the position that cradle 2 needs the antedisplacement, let cradle 2 can continue to move forward along the roll spacing groove on the guide rail 1, convenient to use person operates.

One specific application of this embodiment is: when the support device works, the support device is placed in a roadway tunneled in a coal mine, the guide rails 1 are positioned on two sides of the bottom of the roadway, the support frame 2 is placed on the guide rails 1 to move, tunneling equipment is positioned on the inner side of the support frame 2, the middle vertical hydraulic cylinder 23 and the side vertical hydraulic cylinders 24 are arranged, the arc-shaped support guard plate 25 is driven to ascend to be in contact with the top of the roadway by utilizing the extension of the output ends of the middle vertical hydraulic cylinder 23 and the side vertical hydraulic cylinders 24 so as to support the roadway tunneled in the coal mine and protect equipment in the support frame 2, the side baffle 26 protects the side, when the support device needs to move towards the tunneling direction, the arc-shaped support guard plate 25 is driven to descend to be separated from the top of the roadway by opening the shortening of the output ends of the middle vertical hydraulic cylinder 23 and the side vertical hydraulic cylinders 24 on the support frame one 2a, and the arc-shaped support guard plate 25 on the support frame, then, the first horizontal hydraulic cylinder 3a is started to extend, the first horizontal hydraulic cylinder 3a drives the first support frame 2a to move to the left side, and then the arc-shaped support plate 25 is driven to ascend by utilizing the extension of the output ends of the middle vertical hydraulic cylinder 23 and the side edge vertical hydraulic cylinder 24 to support the top; similarly, the arc-shaped supporting plates 25 of the first supporting frame 2a and the third supporting frame 2c are ensured to be in contact with the top of the roadway, the arc-shaped supporting plates 25 of the second supporting frame 2b are separated from the roadway, and the second supporting frame 2b is driven to move leftwards by utilizing the shortening of the output end of the first horizontal hydraulic cylinder 3a and the extension of the output end of the second horizontal hydraulic cylinder 3 b; similarly, the arc-shaped support plate 25 of the first support frame 2a and the second support frame 2b is ensured to be in contact with the top of the roadway, the arc-shaped support plate 25 of the third support frame 2c is separated from the roadway, the third support frame 2c is driven to move leftwards by shortening the output end of the second horizontal hydraulic cylinder 3b, the first support frame 2a, the second support frame 2b and the third support frame 2c can be moved leftwards to the second guide rail 1b, and then a user moves the first guide rail 1a to the left side of the second guide rail 1b to prepare for next movement.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a colliery tunnelling supporting device which characterized in that: the supporting device comprises at least two groups of supporting frames (2), wherein each supporting frame (2) comprises a supporting frame (21), moving rollers (22) are fixedly mounted at four corners of the bottom of each supporting frame (21), a middle vertical hydraulic cylinder (23) is fixedly mounted in the middle of the top of each supporting frame (21), side vertical hydraulic cylinders (24) are fixedly mounted on two sides of the top of each supporting frame, arc-shaped supporting plates (25) are fixedly mounted at the output ends of the middle vertical hydraulic cylinder (23) and the side vertical hydraulic cylinders (24) together, horizontal hydraulic cylinders (3) are symmetrically arranged on the supporting frames (21) of two adjacent supporting frames (2), one end of each horizontal hydraulic cylinder (3) is fixedly connected with one supporting frame (21), and the other end of each horizontal hydraulic cylinder is fixedly connected with the other supporting frame (21);

the two sides of the bottom of the support frame (2) are provided with guide rails (1), and the guide rails (1) are matched with the movable rollers (22).

2. A coal mine tunnelling support device as defined in claim 1, in which: support frame (21) are including the type of falling V pole (211) that are located arc fender (25) inner chamber both sides, the both ends fixedly connected with of type of falling V pole (211) is located diaphragm (212) that arc fender (25) bottom, the both ends symmetry fixedly connected with stand (213) of diaphragm (212) bottom are located the common fixedly connected with bottom plate (214) in bottom of two stands (213) of the same end of type of falling V pole (211).

3. A coal mine tunnelling support device as defined in claim 2, in which: the middle vertical hydraulic cylinder (23) is fixedly arranged at the tip end of the middle part of the inverted V-shaped rod (211), the side vertical hydraulic cylinder (24) is fixedly arranged at the middle part of two inclined edges of the inverted V-shaped rod (211), and the horizontal hydraulic cylinder (3) is fixedly arranged on the bottom plates (214) of the two adjacent supporting frames (21).

4. A coal mine tunnelling support device as defined in claim 3, in which: side baffles (26) are fixedly connected between the two upright posts (213) positioned on the same side of the inverted V-shaped rod (211) at the same interval along the vertical direction.

5. A coal mine tunnelling support device as defined in claim 4, in which: the guide rails (1) are at least arranged into two groups, and the length of each group of guide rails (1) is greater than the sum of the lengths of the plurality of groups of supporting frames (2).

6. A coal mine tunnelling support device as defined in claim 5, in which: every two sides of bottom plate (214) bottom are equal two removal gyro wheels (22) of symmetry fixed connection, the top of guide rail (1) is seted up along length direction on and with removal gyro wheel (22) matched with roll spacing groove.

7. A coal mine tunnelling support device as defined in claim 6, in which: a guide component (4) is fixedly connected between the tops of the two adjacent support frames (21).

8. A coal mine tunnelling support device as defined in claim 7, in which: the guide assembly (4) comprises two fixing seats, the two fixing seats are respectively fixed on the inverted V-shaped rods (211) on the same side of the two adjacent supporting frames (21), and a telescopic rod is fixedly installed between the two fixing seats.

9. A coal mine tunnelling support device as defined in claim 8, in which: the telescopic rod comprises an outer tube and an inner rod connected with the inner wall of the outer tube in a sliding mode, and one ends, far away from each other, of the outer tube and the inner rod are fixedly connected with the two fixing seats respectively.

10. A coal mine tunnelling support device as defined in claim 9, in which: the number of the support frames (2) is three, the two groups of support frames (2) in the three groups of support frames (2) in the advancing direction of the tunneling are the same in length, and the length of the other group of support frames (2) is the sum of the lengths of the two groups of support frames (2).