A filling system for tunneling along the empty space in a mine

Abstract

The present invention discloses a filling system for retaining lanes along empty excavations in a mine, comprising: a first mixing drum for mixing a first material body; a second mixing drum for mixing a second material body; a mixing grouting assembly, which can simultaneously receive the first material body and the second material body, and send them out after mixing; and a supporting member to be filled, which comprises at least two vertically distributed flexible limit members, namely a first flexible limit member and a second flexible limit member, wherein the first flexible member and the second flexible member can both receive the mixed material body from the mixing grouting assembly, and a support plate is arranged between the second flexible limit member and the first flexible limit member, and the support plate is supported by a plurality of first pillars.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel filling, in particular to a filling system for tunnels left along the goaf of a mine. Background Art

[0002] When filling the tunnel left along the empty excavation, a mixing station can be built in the tunnel. Two sets of mixing devices are set in the mixing station, and then different materials are sent to the supporting parts to be filled through two pipes. In this process, the real-time mixing effect of the two materials is general, and the supporting parts to be filled are often integral structures. During the grouting process into the flexible limit bin, the slurry solidifies in about 30 minutes. Before this, the bottom lateral force of the flexible limit bin is relatively large. In this case, it is difficult for the hydraulic rod and the baffle to effectively provide limit support, which leads to construction difficulties.

[0003] Therefore, it is necessary to provide a filling system for digging and retaining lanes along the goaf of a mine to solve the problems raised in the above-mentioned background technology. Summary of the invention

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a filling system for tunneling along the goaf of a mine, comprising:

[0005] A first mixing barrel, used for mixing a first material body;

[0006] A second mixing barrel, used for mixing a second material body;

[0007] A mixing grouting assembly, which can simultaneously receive a first material body and a second material body, mix them and then deliver them; and

[0008] The supporting member to be filled includes at least two flexible limit members distributed vertically, namely a first flexible limit member and a second flexible limit member, wherein the first flexible member and the second flexible member are both capable of receiving a mixture body from a mixture grouting assembly, and a support plate is arranged between the second flexible limit member and the first flexible limit member, and the support plate is supported by a plurality of first pillars.

[0009] Furthermore, preferably, a plurality of second support pillars are fixed on the support plate, the tops of the second support pillars are in contact with the top plate, and the first support pillars and the second support pillars are both support pillars or hydraulic rods.

[0010] Further, as a preference, a plurality of the first support bodies are distributed around the first flexible limiter so that a limiting plate capable of limiting the first flexible limiter can be fixed on the first support body, and a plurality of the second support bodies are distributed around the second flexible limiter so that a limiting plate capable of limiting the second flexible limiter can be fixed on the second support body.

[0011] Further, as a preference, both the first flexible member and the second flexible member are trough structures or bin structures, and both have a material receiving extension head.

[0012] Further, as a preference, multiple cross bars and multiple longitudinal bars are passed through the first flexible member and the second flexible member, wherein the central axes of the multiple cross bars are located on different vertical planes and different horizontal planes, and the central axes of the multiple longitudinal bars are located on different vertical planes and different horizontal planes.

[0013] Further, preferably, after grouting molding in the first flexible limiter and the second flexible limiter, the cross bar in the first flexible member and the cross bar in the second flexible member are connected by a support plate, and the longitudinal bar in the first flexible member and the longitudinal bar in the second flexible member are connected by a support plate.

[0014] Further, as a preference, the mixing grouting assembly includes a receiving bin, a mixing assembly and a feeding barrel, wherein a first nozzle is embedded in and connected to the top of the receiving bin, the first nozzle is fed by a first mixing barrel, and a second nozzle is embedded in and connected to the side of the receiving bin, the second nozzle is fed by a second mixing barrel; the mixing assembly is rotatably arranged between the receiving bin and the feeding barrel, and is used to feed the material from the receiving bin to the feeding barrel, and an auger is also rotatably arranged in the feeding barrel.

[0015] Furthermore, preferably, a disturbance wheel is rotatably arranged in the receiving bin.

[0016] Further, as a preference, the mixing assembly includes an inner cylinder, a top of which is connected to a rotating receiving groove, the rotating receiving groove is sealingly rotatably arranged in a receiving bin, the bottom of the inner cylinder is connected to an auger, an outer cylinder is also fixed to the outside of the inner cylinder, and the outer cylinder is sealingly rotatably arranged on the outside of a feeding barrel; a spacer ring is also fixed between the outer cylinder and the inner cylinder, a third hole group is opened on the inner cylinder below the spacer ring, a first hole group and a second hole group are opened on the inner cylinder above the spacer ring, and a spacer ring located between the first hole group and the second hole group is also fixedly embedded in the inner cylinder.

[0017] Further, as a preference, a paddle is provided on the inner wall of the outer cylinder.

[0018] Compared with the prior art, the present invention provides a filling system for digging and retaining lanes along the goaf of a mine, which has the following beneficial effects:

[0019] In an embodiment of the present invention, the supporting members to be filled are configured as at least two vertically distributed flexible limit members, a support plate is arranged between the two flexible limit members, the support plate is supported by a plurality of first support pillars, and the second flexible limit member only applies a downward force to the first support pillar, thereby reducing the lateral force applied by the overall structure to the first support pillar.

[0020] In the embodiment of the present invention, after the material enters the inner cylinder, it is thrown out from the first hole group position into the outer cylinder, and then enters the inner cylinder from the second hole group under the action of gravity and / or hydraulic pressure, and finally is thrown out at the third hole group position, thereby being sent out by the auger. In the process of entering and exiting the inner cylinder, the material can be quickly mixed and the uniformity of the material can be fully guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of a filling system for digging and retaining lanes along the goaf of a mine;

[0022] Figure 2 It is a schematic diagram of the structure of the supporting parts to be filled in a filling system for tunneling along the goaf of a mine;

[0023] Figure 3 It is a structural schematic diagram of a support plate in a filling system for retaining lanes along the goaf of a mine;

[0024] Figure 4 It is a structural schematic diagram of a mixing grouting component in a filling system for tunneling along the goaf of a mine;

[0025] Figure 5 It is a structural schematic diagram of a mixing component in a filling system for tunneling along the goaf of a mine;

[0026] In the figure:

[0027] 1. First mixing cylinder; 2. Second mixing cylinder; 3. Mixing grouting assembly; 4. First flexible stopper; 5. Second flexible stopper; 6. Support plate; 7. First supporting column; 8. Second supporting column; 9. Cross bar; 10. Longitudinal bar; 11. Support plate; 31. Receiving bin; 32. First nozzle; 33. Second nozzle; 34. Disturbance wheel; 35. Rotating receiving trough; 36. Mixing assembly; 37. Feeding cylinder; 38. Auger; 361. Outer cylinder; 362. Inner cylinder; 363. Partition plate; 364. First hole group; 365. Second hole group; 366. Spacer ring; 367. Third hole group; 368. Paddle. DETAILED DESCRIPTION

[0028] Example: See Figures 1 to 5 In an embodiment of the present invention, a filling system for retaining lanes along the goaf of a mine includes:

[0029] A first mixing barrel 1, used for mixing a first material;

[0030] A second mixing barrel 2, used for mixing a second material;

[0031] A mixing grouting assembly 3, which can simultaneously receive the first material body and the second material body, mix them and then send them out; and

[0032] The supporting member to be filled includes at least two flexible limit members distributed vertically, namely a first flexible limit member 4 and a second flexible limit member 5. The first flexible member 4 and the second flexible member 5 can both receive the mixture body from the mixture grouting assembly 3. A support plate 6 is arranged between the second flexible limit member 5 and the first flexible limit member 4, and the support plate 6 is supported by multiple first pillars 7.

[0033] Wherein, the first mixing barrel 1 and the second mixing barrel 2 both have a stirring function;

[0034] The first material body and the second material body can solidify quickly after being mixed;

[0035] The discharge ends of the first mixing cylinder 1 and the second mixing cylinder 2 are both provided with pump bodies;

[0036] During implementation, a mixing station can be constructed in the tunnel, the first mixing drum 1 and the second mixing drum 2 are both arranged in the mixing station, and the mixing grouting assembly 3 is close to the support member to be filled, the first mixing drum 1 is connected to the mixing grouting assembly 3 through a first pipe, and the second mixing drum 2 is connected to the mixing grouting assembly 3 through a second pipe, and the first pipe and the second pipe can both be arranged on the side wall of the tunnel;

[0037] In addition, it is worth mentioning that in the prior art, the support member to be filled is often a flexible limit bin. During construction, hydraulic rods are first arranged around the flexible limit bin, and then baffles are arranged between the hydraulic rods and the flexible limit bin, so as to facilitate the positioning of the flexible limit bin, thereby constructing a support member of a preset shape. Then, it should be noted that in the prior art, the support member to be filled is often an integral structure. During the grouting process into the flexible limit bin, the slurry solidifies in about 30 minutes. Before this, the bottom of the flexible limit bin is subjected to a large lateral force. In this case, it is difficult for the hydraulic rods and baffles to effectively provide limit support, resulting in construction difficulties.

[0038] In the present embodiment, the supporting member to be filled is configured as at least two vertically distributed flexible limit members, namely a first flexible limit member 4 and a second flexible limit member 5. The first flexible limit member 4 and the second flexible limit member 5 can both receive the mixture body from the mixture grouting assembly 3. A support plate 6 is arranged between the second flexible limit member 5 and the first flexible limit member 4. The support plate 6 is supported by a plurality of first pillars 7. Since the second flexible limit member 5 is supported by the support plate 6, and the support plate 6 is supported by the first pillar 7, the second flexible limit member 5 only applies a downward force to the first pillar 7, thereby reducing the lateral force applied by the overall structure to the first pillar 7.

[0039] As a preferred embodiment, a plurality of second support pillars 8 are fixed on the support plate 6, the tops of the second support pillars 8 are in contact with the top plate, and the first support pillars 7 and the second support pillars 8 are both support pillars or hydraulic rods.

[0040] As a preferred embodiment, multiple first support bodies 7 are distributed around the first flexible limiter 4 so that a limiting plate capable of limiting the first flexible limiter 4 can be fixed on the first support body 7, and multiple second support bodies 8 are distributed around the second flexible limiter 5 so that a limiting plate capable of limiting the second flexible limiter 5 can be fixed on the second support body 8.

[0041] As a preferred embodiment, the first flexible member 4 and the second flexible member 5 are both trough structures or bin structures, and both have a material receiving extension head.

[0042] In this embodiment, Figure 2 , multiple cross bars 9 and multiple longitudinal bars 10 are passed through the first flexible member 4 and the second flexible member 5, wherein the central axes of the multiple cross bars 9 are located on different vertical planes and different horizontal planes, and the central axes of the multiple longitudinal bars 10 are located on different vertical planes and different horizontal planes.

[0043] That is to say, in this embodiment, not only are cross bars arranged in the horizontal direction, but also longitudinal bars are arranged in the longitudinal direction. The cross bars and longitudinal bars can not only increase the overall strength, but also improve the overall stability. Preferably, the central axes of multiple cross bars 9 are located in different vertical planes and in different horizontal planes. In this way, the multiple cross bars can be more evenly distributed in the first flexible limiter or the second flexible limiter, and the central axes of multiple longitudinal bars 10 are located in different vertical planes and in different horizontal planes. In this way, the multiple longitudinal bars can be more evenly distributed in the first flexible limiter or the second flexible limiter.

[0044] In addition, both the horizontal bars and the vertical bars can be steel bar structures to increase the overall strength.

[0045] In this embodiment, Figure 3 In order to further improve the overall stability, after grouting molding in the first flexible limiter 4 and the second flexible limiter 5, the cross bar in the first flexible member 4 and the cross bar in the second flexible member 5 are connected by a support plate 11, and the longitudinal bar in the first flexible member 4 and the longitudinal bar in the second flexible member 5 are connected by a support plate 11.

[0046] In this embodiment, Figure 4The mixing grouting assembly 3 includes a receiving bin 31, a mixing assembly 36 and a feeding barrel 37, wherein a first nozzle 32 is embedded in and connected to the upper part of the receiving bin 31, and the first nozzle 32 is fed by the first mixing barrel 1; a second nozzle 33 is embedded in and connected to the side of the receiving bin 31, and the second nozzle 33 is fed by the second mixing barrel 2; the mixing assembly 36 is rotatably arranged between the receiving bin 31 and the feeding barrel 37, and is used to feed the material from the receiving bin 31 to the feeding barrel 37, and an auger 38 is also rotatably arranged in the feeding barrel 37.

[0047] In addition, a disturbance wheel 34 is rotatably disposed in the receiving bin 31 .

[0048] Preferably, the first nozzle 32 sprays vertically downward, while the second nozzle 33 sprays horizontally to the right, and the blades of the disturbance wheel 34 are an arc-shaped structure bent in the clockwise direction, and the disturbance wheel 34 rotates counterclockwise, so that the first material body and the second material body can be ensured to be in contact and mixed to the greatest extent.

[0049] In this embodiment, Figure 5 The mixing assembly 36 includes an inner cylinder 362, the top of which is connected to the rotating receiving groove 35, the rotating receiving groove 35 is sealed and rotatably arranged in the receiving bin 31, the bottom of the inner cylinder 362 is connected to the auger 38, and an outer cylinder 361 is fixed to the outside of the inner cylinder 362, and the outer cylinder 361 is sealed and rotatably arranged on the outside of the feeding cylinder 37; a spacer ring 366 is fixed between the outer cylinder 361 and the inner cylinder 362, a third hole group 367 is opened on the inner cylinder 362 located below the spacer ring 366, and a first hole group 364 and a second hole group 365 are opened on the inner cylinder 362 located above the spacer ring 366, and a spacer ring 363 located between the first hole group and the second hole group is fixedly embedded in the inner cylinder 362.

[0050] During implementation, the material enters the inner cylinder 362 and is thrown out from the first hole group 364 to the outer cylinder 361. Then, under the action of gravity and / or hydraulic pressure, it enters the inner cylinder 362 from the second hole group 365 and is finally thrown out from the third hole group 367, thereby being sent out by the auger.

[0051] When the material enters and leaves the inner cylinder, it can be quickly mixed to ensure the uniformity of the material.

[0052] In addition, a driven wheel can be fixedly mounted on the end of the inner cylinder, and the driven wheel is connected to the driving wheel through a synchronous belt, and the driving wheel is driven by a motor.

[0053] As a preferred embodiment, a paddle 368 is provided on the inner wall of the outer cylinder 361 .

[0054] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filling system for digging and retaining lanes along the goaf of a mine, characterized by: include: A first mixing barrel, used for mixing a first material body; A second mixing barrel, used for mixing a second material body; A mixing grouting component, which can simultaneously receive a first material body and a second material body, mix them and then deliver them; as well as The supporting member to be filled includes two vertically distributed flexible stoppers, namely a first flexible stopper and a second flexible stopper, wherein the first flexible stopper and the second flexible stopper are both capable of receiving a mixed material body from the mixed material grouting assembly, and a support plate is arranged between the second flexible stopper and the first flexible stopper, wherein the support plate is supported by a plurality of first pillars; The mixing grouting assembly comprises a receiving bin, a mixing assembly and a feeding barrel, wherein a first nozzle is embedded and connected to the upper part of the receiving bin, and the first nozzle is fed by the first mixing barrel, and a second nozzle is embedded and connected to the side of the receiving bin, and the second nozzle is fed by the second mixing barrel; the mixing assembly is rotatably arranged between the receiving bin and the feeding barrel, and is used to feed the material body from the receiving bin to the feeding barrel, and an auger is also rotatably arranged in the feeding barrel; A disturbance wheel is also rotatably arranged in the receiving bin; The mixing assembly includes an inner cylinder, the top of which is connected to a rotating receiving groove, the rotating receiving groove is sealed and rotatably arranged in a receiving bin, the bottom of the inner cylinder is connected to an auger, an outer cylinder is also fixed to the outside of the inner cylinder, and the outer cylinder is sealed and rotatably arranged on the outside of a feeding cylinder; a spacer ring is also fixed between the outer cylinder and the inner cylinder, a third hole group is opened on the inner cylinder below the spacer ring, a first hole group and a second hole group are opened on the inner cylinder above the spacer ring, and a partition located between the first hole group and the second hole group is also fixedly embedded in the inner cylinder.

2. A filling system for tunnelling along the goaf of a mine according to claim 1, characterized in that: A plurality of second support pillars are also fixed on the support plate, the tops of the second support pillars are in contact with the top plate, and the first support pillars and the second support pillars are both support pillars or hydraulic rods.

3. A filling system for tunnelling along the goaf of a mine according to claim 2, characterized in that: The plurality of first support bodies are distributed around the first flexible limiter so that a limit plate capable of limiting the first flexible limiter can be fixed on the first support body, and the plurality of second support bodies are distributed around the second flexible limiter so that a limit plate capable of limiting the second flexible limiter can be fixed on the second support body.

4. A filling system for tunnelling along the goaf of a mine according to claim 1, characterized in that: The first flexible stopper and the second flexible stopper are both trough structures or bin structures, and both have a material receiving extension head.

5. A filling system for tunnelling along the goaf of a mine according to claim 1, characterized in that: The first flexible limiter and the second flexible limiter are both penetrated by a plurality of cross bars and a plurality of longitudinal bars, wherein the central axes of the plurality of cross bars are located on different vertical planes and on different horizontal planes, and the central axes of the plurality of longitudinal bars are located on different vertical planes and on different horizontal planes.

6. A filling system for tunnelling along the goaf of a mine according to claim 5, characterized in that: After grouting molding in the first flexible limiter and the second flexible limiter, the cross bar in the first flexible limiter and the cross bar in the second flexible limiter are connected by a supporting plate, and the longitudinal bar in the first flexible limiter and the longitudinal bar in the second flexible limiter are connected by a supporting plate.

7. A filling system for tunnelling along the goaf of a mine according to claim 1, characterized in that: The inner wall of the outer cylinder is provided with a paddle.

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