CN213928376U

CN213928376U - Goaf roadway reinforcing device

Info

Publication number: CN213928376U
Application number: CN202022489038.3U
Authority: CN
Inventors: 任学威; 王启鑫; 张�浩; 赵小涛; 甄石磊
Original assignee: Shanxi Fenxi Coal Industry Co ltd
Current assignee: Shanxi Fenxi Coal Industry Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-10
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a collecting space area tunnel reinforcing apparatus, including the equipment box, the top surface fixed mounting of equipment box inner wall has electronic hydraulic rod, electronic hydraulic rod's output fixed mounting has the connecting plate, the top surface fixedly connected with fixed plate of connecting plate, the spout has been seted up to the inside wall of equipment box, the top surface threaded connection of fixed plate has first bow member, first bolt is installed to the bottom of first bow member, the middle part fixed mounting of first bow member has the cavity stock. The goal of facilitating reinforcing treatment of the goaf at a special position is achieved, pressure of fillers on a roadway structure is reduced, the fillers are uniformly filled and not prone to collapse, the effect of facilitating reinforcing of the goaf is achieved, the reinforcing effect is further enhanced, the reinforcing effect is good, the flexibility of the whole device is high, and the device is convenient to use.

Description

Goaf roadway reinforcing device

Technical Field

The utility model relates to a coal mine support equipment technical field especially relates to a collecting space area tunnel reinforcing apparatus.

Background

Generally, if the coal mining operation is finished and the coal mine goaf can be continuously exploited in a deep direction, the goaf is appropriately reinforced, and the coal mine goaf can not collapse in a short time by adopting protective measures such as anchor rod fixing and timber pile supporting.

The existing goaf roadway reinforcing device is difficult to reinforce the goaf at a special position, high in filling difficulty, uneven in filling, easy to collapse after filling, poor in reinforcing effect, easy to have adverse effect on a roadway structure, poor in flexibility and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a collecting space area tunnel reinforcing apparatus has solved and has been difficult to consolidate the collecting space area of special position and handle and consolidate the relatively poor problem of effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a goaf roadway reinforcing device comprises an equipment box, wherein an electric hydraulic push rod is fixedly mounted on the top surface of the inner wall of the equipment box, a connecting plate is fixedly mounted at the output end of the electric hydraulic push rod, a fixing plate is fixedly connected to the top surface of the connecting plate, a sliding groove is formed in the inner side wall of the equipment box, a first arch is in threaded connection with the top surface of the fixing plate, a first bolt is mounted at the bottom of the first arch, a hollow anchor rod is fixedly mounted in the middle of the first arch, a first threaded plate is fixedly connected to the top end of the first arch, a second threaded plate is in threaded connection with the top surface of the first threaded plate, first threaded holes are formed in the surfaces of the first threaded plate and the second threaded plate in a penetrating manner, a second bolt is in threaded connection with the inner portion of the first threaded hole, and a first nut is in threaded connection with the bottom of the second bolt, the top surface of the second thread plate is fixedly connected with a second arch frame, the middle part of the second arch frame is fixedly inserted with a hollow anchor rod, the top end of the second arch frame is fixedly provided with a third thread plate, the top surface of the third thread plate is in threaded connection with a fourth thread plate, the surfaces of the third thread plate and the fourth thread plate are both penetrated and provided with a second threaded hole, the inner thread of the second threaded hole is connected with a third bolt, the bottom of the third bolt is in threaded connection with a second nut, the top end of the fourth thread plate is fixedly provided with a third arch frame, the surface of the third arch frame is fixedly inserted with a grouting small conduit, a first connecting net piece is fixedly arranged between the second arch frames, and a second connecting net piece is fixedly arranged between the first arch frames.

Preferably, the side surface of the fixing plate is connected with the sliding groove in a sliding mode, and the fixing plate is connected with the first bolt in a threaded mode.

Preferably, the number of the first arch, the second arch and the third arch is four, and the first arch, the second arch and the third arch are all made of steel.

Preferably, the number of the first thread plate, the second thread plate, the third thread plate and the fourth thread plate is four, the first thread plate and the second thread plate are identical in size, and the third thread plate and the fourth thread plate are identical in size.

Preferably, both one end of each of the hollow anchor rod and the small grouting guide pipe is cylindrical, and the other end of each of the hollow anchor rod and the small grouting guide pipe is conical.

Preferably, the first connecting mesh sheet and the second connecting mesh sheet are both rectangular, and the reinforcing bars of the first connecting mesh sheet and the second connecting mesh sheet are perpendicular to each other.

Compared with the prior art, the beneficial effects of the utility model are that: when the goaf roadway needs reinforcement treatment, the output end of the goaf roadway reinforcement device is driven by an electric hydraulic push rod to drive the structures such as the connecting plate goaf roadway reinforcement device, the fixed plate goaf roadway reinforcement device, the first arch goaf roadway reinforcement device and the like to start to ascend, when the goaf roadway reinforcement device of the third arch goaf roadway reinforcement device reaches the position right below the goaf at the top, a grouting machine is started to start to inject slurry into the goaf through the goaf roadway reinforcement device of the hollow anchor rod goaf and the goaf roadway reinforcement device of the grouting small guide pipe goaf, concrete is sprayed to the goaf roadway reinforcement device of the first connecting mesh goaf roadway reinforcement device, the goaf roadway reinforcement device of the second connecting mesh goaf roadway reinforcement device, and the first bolt goaf reinforcement device is screwed after the concrete is solidified, the fixing plate goaf roadway reinforcing device is separated from the bottom end of the first arch frame goaf roadway reinforcing device, at the moment, the reinforcing device is firmly fixed with the goaf roadway, the goaf is backfilled and grouted by the mutual matching of structures such as the goaf roadway reinforcing device with the electric hydraulic push rod, the hollow anchor rod goaf roadway reinforcing device, the goaf roadway reinforcing device with the grouting small guide pipe, and the like, so that the goal of conveniently reinforcing the goaf at a special position is realized, liquid filler is adopted for filling, the pressure of the filler on the roadway structure is reduced, the filling is uniform, the collapse is not easy, the goaf roadway reinforcing device with the first connecting net piece goaf roadway reinforcing device and the goaf roadway reinforcing device with the second connecting net piece goaf roadway reinforcing device are treated by sprayed concrete, and the effect of conveniently reinforcing the goaf is achieved, further strengthened the reinforcement effect, it is effectual to consolidate, and whole device flexibility is higher, and it is comparatively convenient to use.

Drawings

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

fig. 2 is a front view of the structure of the present invention.

In the figure: the device comprises a device box 1, an electric hydraulic push rod 2, a connecting plate 3, a fixing plate 4, a sliding chute 5, a first arch 6, a first bolt 7, a hollow anchor rod 8, a first thread plate 9, a second thread plate 10, a first thread hole 11, a second bolt 12, a first nut 13, a second arch 14, a third thread plate 15, a fourth thread plate 16, a second thread hole 17, a third bolt 18, a second nut 19, a third arch 20, a small grouting conduit 21, a first connecting net piece 22 and a second connecting net piece 23.

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, a goaf roadway reinforcing device comprises an equipment box 1, wherein an electric hydraulic push rod 2 is fixedly installed on the top surface of the inner wall of the equipment box 1, a connecting plate 3 is fixedly installed on the output end of the electric hydraulic push rod 2, a fixing plate 4 is fixedly connected to the top surface of the connecting plate 3, a chute 5 is formed in the inner side wall of the equipment box 1, a first arch 6 is in threaded connection with the top surface of the fixing plate 4, a first bolt 7 is installed at the bottom of the first arch 6, the side surface of the fixing plate 4 is in sliding connection with the chute 5, the fixing plate 4 is in threaded connection with the first bolt 7, the fixing plate 4 can slide in the chute 5, the effect that the goaf can move up and down is achieved, the goal of reinforcing the goaf at a special position is achieved, the fixing plate 4 is in threaded connection with the first arch 6, so that the fixing plate 4 can be detached after reinforcing is completed, the middle part of the first arch centering 6 is fixedly inserted with a hollow anchor rod 8, the top end of the first arch centering 6 is fixedly connected with a first threaded plate 9, the top surface of the first threaded plate 9 is in threaded connection with a second threaded plate 10, the surfaces of the first threaded plate 9 and the second threaded plate 10 are both provided with a first threaded hole 11 in a penetrating way, the inner thread of the first threaded hole 11 is connected with a second bolt 12, the bottom thread of the second bolt 12 is connected with a first nut 13, the top surface of the second threaded plate 10 is fixedly connected with a second arch centering 14, the middle part of the second arch centering 14 is provided with the hollow anchor rod 8, the top end of the second arch centering 14 is fixedly provided with a third threaded plate 15, the top surface of the third threaded plate 15 is in threaded connection with a fourth threaded plate 16, the number of the first threaded plate 9, the second threaded plate 10, the third threaded plate 15 and the fourth threaded plate 16 is four, and the sizes of the first threaded plate 9 and the second threaded plate 10 are the same, the third threaded plate 15 and the fourth threaded plate 16 are identical in size, the surfaces of the third threaded plate 15 and the fourth threaded plate 16 are respectively provided with a second threaded hole 17 in a penetrating manner, the inner threads of the second threaded hole 17 are connected with a third bolt 18, the bottom of the third bolt 18 is connected with a second nut 19 in a threaded manner, the top end of the fourth threaded plate 16 is fixedly provided with a third arch centering 20, the number of the first arch centering 6, the number of the second arch centering 14 and the number of the third arch centering 20 are four, the first arch centering 6, the second arch centering 14 and the third arch centering 20 are all made of steel materials, an arch centering ring formed by the three components plays a good role in reinforcement, the reinforcement range is wide, the collapse is not easy, the surface of the third arch centering 20 is fixedly inserted with a small grouting conduit 21, one end of each of the hollow anchor rod 8 and the small grouting conduit 21 is cylindrical, the other end of each of the hollow anchor rod 8 and the small grouting conduit 21 is conical, and the other end of each of the hollow anchor rod 8 and the small grouting conduit 21 are designed, can be before consolidating, carry out the slip casting, backfill the slip casting with the collecting space area of special position and handle, and fill evenly, the bad condition that the collecting space area collapsed has been avoided appearing, fixed mounting has first connection net piece 22 between the second bow member 14, fixed mounting has second connection net piece 23 between the first bow member 6, first connection net piece 22 and second connection net piece 23 all are rectangle, and the reinforcing bar mutually perpendicular of first connection net piece 22 and second connection net piece 23, the design of first connection net piece 22 and second connection net piece 23 adopts the whitewashing to handle when consolidating, treat after the concrete sets, can play good reinforcing effect.

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.

When in use: when the gob roadway needs to be reinforced, the device is moved to a position to be reinforced, the output end of the electric hydraulic push rod 2 drives the connecting plate 3 to start to ascend, the connecting plate 3 drives the fixing plate 4 to start to ascend, the fixing plate 4 drives the first arch frame 6 and other structures to start to ascend, when the third arch frame 20 reaches the position right below the gob at the top, the electric hydraulic push rod 2 stops outputting, the small grouting pipe 21 is inserted into the gob, the hollow anchor rod 8 is inserted into the sidewall of the roadway, the grouting machine is started, grouting is started to the gob through the hollow anchor rod 8 and the small grouting pipe 21, after grouting is finished, concrete is sprayed to the first connecting net piece 22 and the second connecting net piece 23, after the first connecting net piece 22 and the second connecting net piece 23 are completely coated by the concrete, the concrete stops, concrete is waited to slowly solidify, after the concrete is solidified, the first bolt 7 is screwed, the fixing plate 4 is separated from the bottom end of the first arch frame 6, and the reinforcing device is firmly fixed with the goaf roadway at the moment, so that the process of reinforcing the goaf roadway is realized.

To sum up, when the goaf roadway needs to be reinforced, the output end of the electric hydraulic push rod 2 drives the connecting plate 3, the fixing plate 4 and the first arch frame 6 to start to ascend, when the third arch frame 20 reaches the position right below the goaf at the top, the grouting machine is started, grouting is started to the goaf through the hollow anchor rod 8 and the small grouting guide pipe 21, concrete is sprayed to the first connecting mesh 22 and the second connecting mesh 23, after the concrete is solidified, the first bolt 7 is screwed, the fixing plate 4 is separated from the bottom end of the first arch frame 6, the reinforcing device is firmly fixed with the goaf of the roadway, the goaf is backfilled and grouted through the mutual matching of the structures of the electric hydraulic push rod 2, the hollow anchor rod 8 and the small grouting guide pipe 21, the aim of conveniently reinforcing the goaf at a special position is achieved, and liquid fillers are used for filling, the pressure of the filler to the roadway structure is reduced, the filler is filled uniformly and is not prone to collapse, the first connecting net piece 22 and the second connecting net piece 23 are treated by sprayed concrete, the effect of being convenient for reinforcing the goaf is achieved, the reinforcing effect is further enhanced, the reinforcing effect is good, the flexibility of the whole device is high, and the use is convenient.

The problem of be difficult to consolidate the collecting space area of special position and consolidate the effect relatively poor is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 collecting space area tunnel reinforcing apparatus, includes equipment box (1), its characterized in that, the top surface fixed mounting of equipment box (1) inner wall has electronic hydraulic rod (2), the output fixed mounting of electronic hydraulic rod (2) has connecting plate (3), the top surface fixedly connected with fixed plate (4) of connecting plate (3), spout (5) have been seted up to the inside wall of equipment box (1), the top surface threaded connection of fixed plate (4) has first bow member (6), first bolt (7) are installed to the bottom of first bow member (6), the fixed grafting in middle part of first bow member (6) has cavity stock (8), the first thread board (9) of top fixedly connected with of first bow member (6), the top surface threaded connection of first thread board (9) has second thread board (10), the surface of first thread board (9) and second thread board (10) all runs through and sets up first screw hole (11) The inner thread of the first threaded hole (11) is connected with a second bolt (12), the bottom of the second bolt (12) is connected with a first nut (13) in a threaded manner, the top surface of the second threaded plate (10) is fixedly connected with a second arch (14), the middle of the second arch (14) is provided with a hollow anchor rod (8), the top end of the second arch (14) is fixedly provided with a third threaded plate (15), the top surface of the third threaded plate (15) is connected with a fourth threaded plate (16) in a threaded manner, the surfaces of the third threaded plate (15) and the fourth threaded plate (16) are respectively provided with a second threaded hole (17) in a penetrating manner, the inner thread of the second threaded hole (17) is connected with a third bolt (18), the bottom of the third bolt (18) is connected with a second nut (19) in a threaded manner, and the top end of the fourth threaded plate (16) is fixedly provided with a third arch (20), the surface of the third arch centering (20) is fixedly inserted with a small grouting conduit (21), a first connecting net piece (22) is fixedly arranged between the second arch centering (14), and a second connecting net piece (23) is fixedly arranged between the first arch centering (6).

2. A goaf roadway reinforcement apparatus in accordance with claim 1, characterized in that the side of the fixed plate (4) is slidingly connected with the chute (5) and the fixed plate (4) is threadedly connected with the first bolt (7).

3. The goaf roadway reinforcement device of claim 1, wherein the number of the first arch (6), the second arch (14) and the third arch (20) is four, and the first arch (6), the second arch (14) and the third arch (20) are made of steel.

4. The goaf roadway reinforcement device according to claim 1, characterized in that the number of the first thread plate (9), the second thread plate (10), the third thread plate (15) and the fourth thread plate (16) is four, and the first thread plate (9) and the second thread plate (10) are identical in size, and the third thread plate (15) and the fourth thread plate (16) are identical in size.

5. The goaf roadway reinforcement device of claim 1, characterized in that one end of each of the hollow anchor rod (8) and the small grouting guide tube (21) is cylindrical, and the other end of each of the hollow anchor rod (8) and the small grouting guide tube (21) is conical.

6. The goaf roadway reinforcement device of claim 1, wherein the first and second connector mesh (22, 23) are rectangular, and the reinforcing bars of the first and second connector mesh (22, 23) are perpendicular to each other.