CN216894515U - Goaf fly ash slurry pressure injection equipment - Google Patents

Abstract

A goaf fly ash slurry pressure injection device comprises a goaf, wherein a top opening of the goaf is a side slope with a chamfer structure, one side of the top of the goaf is provided with a supporting mechanism, the other side of the top of the goaf is provided with a grouting mechanism, the supporting mechanism comprises a first mounting plate, a first traction assembly and a supporting assembly, the grouting mechanism comprises a second mounting plate, a second traction assembly and a grouting assembly, the second mounting plate is arranged on the other side of the top of the goaf, the surface of the second mounting plate is provided with the second traction assembly, the inner end of the second mounting plate is rotatably connected with the grouting assembly, the grouting assembly is communicated with a slurry mixing assembly, and the supporting assembly is used for supporting the grouting assembly from the bottom; the grouting component can be stably arranged right above the goaf, stable discharge can be realized, and the grouting component is arranged in the middle, so that the slurry discharge and filling efficiency is high and the slurry is uniformly dispersed.

Description

Goaf fly ash slurry pressure injection equipment

Technical Field

The utility model belongs to the technical field of coal mine treatment, and particularly relates to goaf fly ash slurry pressure injection equipment.

Background

A large goaf can be left after the coal mine is mined, and a common grouting and sealing method of the current method during subsequent treatment specifically comprises the following steps: high-concentration high-salinity water after mine treatment and filtration is used as water for fly ash slurry and is injected into a goaf at the rear part of a coal face in a pressing mode, and the high-salinity water is thickened and solidified into the goaf;

but because the goaf span is big, the slip casting subassembly is not convenient for direct mount directly over the goaf, and the workman just can only starching out the direct overlap joint of thick liquid pipe in the inner wall department of goaf, so leads to the thick liquid dispersion inhomogeneous, can solidify prematurely all around to in order to guarantee to fill the homogeneity as far as possible, need arrange a plurality of slip casting equipment of annular distribution, construction cost is higher.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides goaf fly ash slurry pressure injection equipment, which has the following specific technical scheme:

a goaf fly ash slurry pressure injection device comprises a goaf, wherein a top opening of the goaf is a side slope with a chamfer structure, one side of the top of the goaf is provided with a supporting mechanism, the other side of the top of the goaf is provided with a grouting mechanism, the supporting mechanism comprises a first mounting plate, a first traction assembly and a supporting assembly, the first mounting plate is arranged on one side of the top of the goaf, the surface of the first mounting plate is provided with the first traction assembly, the inner end of the first mounting plate is rotatably connected with the supporting assembly, and the first traction assembly is used for driving the supporting assembly to rotate around the first mounting plate;

the grouting mechanism comprises a second mounting plate, a second traction assembly and a grouting assembly, the second mounting plate is arranged on the other side of the top of the goaf, the second traction assembly is arranged on the surface of the second mounting plate, the inner end of the second mounting plate is rotatably connected with the grouting assembly, the grouting assembly is communicated with the slurry mixing assembly, and the supporting assembly is used for supporting the grouting assembly from the bottom.

Further, the slip casting subassembly includes curb plate, second rotary column and slip casting pipe, two the top between the curb plate is perpendicular to be rotated and is installed the second rotary column, the perpendicular slip casting pipe that communicates interval distribution in the bottom surface of rotary column, the bottom of curb plate is rotated and is installed in the inner breach department of second mounting panel, first pull the rotation junction that the subassembly pulls and is connected to the curb plate, and the slip casting pipe can swing to vertical state under the action of gravity when the curb plate rotates downwards.

Furthermore, the bottom of the side plate extends downwards and outwards to the second mounting plate, and the extending part of the bottom of the side plate is matched and abutted against the side slope.

Further, the supporting component comprises a first rotary column, supporting rods and a supporting plate, wherein the first rotary column is rotatably installed at the inner end notch of the first installation plate, a plurality of supporting rods are arranged at the surface vertical interval of the first rotary column, each supporting rod is arranged at the top end of each supporting rod, the side cross section of each supporting plate is semicircular, the supporting plate is arranged between the adjacent grouting pipes, and the bottom of the second rotary column is arranged in the laminating manner of the supporting plate.

Furthermore, the bottom of the supporting rod extends downwards and outwards from the first rotating column, and the extending part at the bottom of the first rotating column is matched and abutted against the side slope.

Further, the first traction assembly and the second traction assembly are identical in structure, and the first traction assembly comprises a traction motor, a traction belt and a driving wheel; traction motor locates on the first mounting panel, the outer end of first rotary column is located to the drive wheel, the drive wheel is located the outside of second mounting panel, traction motor passes through the traction area and connects the drive wheel.

Furthermore, the slurry mixing assembly comprises a vehicle body, a first pneumatic pump and a second pneumatic pump are arranged in the vehicle body in parallel, the feeding end of the first pneumatic pump is communicated to a first material box, the discharging end of the first pneumatic pump is communicated to a mixing tank, the feeding end of the second pneumatic pump is communicated to a second material box, the discharging end of the second pneumatic pump is communicated to a mixing tank, the mixing tank is used for carrying out aeration mixing and mechanical stirring mixing on materials, the outlet of the mixing tank is communicated to a second rotary column, the air inlet ends of the first pneumatic pump and the second pneumatic pump are connected to an air compressor in parallel, and the air inlet end of the mixing tank is connected to the air compressor in parallel.

Furthermore, the outlet of the air compressor is connected with a first air outlet pipe and a second air outlet pipe in parallel, the first air outlet pipe is communicated to the mixing tank, and the outlet of the second air outlet pipe is connected to the first pneumatic pump and the second pneumatic pump in parallel.

The utility model has the beneficial effects that: the supporting mechanism and the grouting mechanism are arranged on two sides of the goaf in advance, after the supporting mechanism and the grouting mechanism are fixed, the first traction assembly drives the supporting assembly to rotate downwards to an inclined state, then the second traction assembly drives the grouting assembly to rotate downwards, the supporting assembly supports the grouting assembly from the bottom, the grouting assembly is stably arranged right above the goaf, stable discharge can be achieved, and due to the fact that the grouting assembly is arranged in the middle, the grouting filling efficiency is high, and the grouting filling mechanism is uniform in dispersion.

Drawings

FIG. 1 is a schematic structural diagram of a goaf fly ash slurry pressure injection device of the utility model;

FIG. 2 shows a schematic structural view of the support assembly of the present invention;

FIG. 3 shows a schematic view of the support mechanism tilt configuration of the present invention;

FIG. 4 is a schematic structural diagram of a grouting mechanism of the utility model;

FIG. 5 is a schematic view showing the lapping structure of the grouting mechanism and the supporting mechanism of the utility model;

FIG. 6 shows a schematic structural view of a slurry mixing assembly of the present invention;

shown in the figure: 1. a gob; 11. side slope; 2. a support mechanism; 21. a first mounting plate; 22. a first pulling assembly; 221. a traction motor; 222. a traction belt; 223. a drive wheel; 23. a support assembly; 231. a first rotating column; 232. a support bar; 2321. a support plate; 3. a grouting mechanism; 31. a second mounting plate; 32. a second traction assembly; 33. a grouting component; 331. a side plate; 332. a second rotary column; 333. a grouting pipe; 4. a slurry mixing assembly; 41. a vehicle body; 42. a first bin; 43. a first pneumatic pump; 44. a second bin; 45. a second pneumatic pump; 46. an air compressor; 461. a first air outlet pipe; 462. a second air outlet pipe; 4621. a barometer; 4622. a water filter; 4623. an oil filter; 47. and (4) mixing the materials in a tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

A coal ash slurry pressure injection device for a goaf comprises a goaf 1, wherein a side slope 11 with a chamfer structure is arranged at the opening at the top of the goaf 1, a supporting mechanism 2 is arranged on one side of the top of the goaf 1, a grouting mechanism 3 is arranged on the other side of the top of the goaf 1, the supporting mechanism 2 comprises a first mounting plate 21, a first traction component 22 and a supporting component 23, the first mounting plate 21 is arranged on one side of the top of the goaf, the surface of the first mounting plate 21 is provided with the first traction component 22, the inner end of the first mounting plate 21 is rotatably connected with the supporting component 23, and the first traction component 22 is used for driving the supporting component 23 to rotate around the first mounting plate 21; when the first mounting plate is mounted on the goaf, the first traction assembly can lower the support assembly to an inclined state so as to support the grouting assembly in the inclined state subsequently, and the grouting assembly can be stably arranged right above the goaf;

the grouting mechanism 3 comprises a second mounting plate 31, a second traction assembly 32 and a grouting assembly 33, the second mounting plate 31 is arranged on the other side of the top of the gob 1, the second traction assembly 32 is arranged on the surface of the second mounting plate 31, the inner end of the second mounting plate 31 is rotatably connected with the grouting assembly 33, the grouting assembly 33 is communicated with the slurry mixing assembly 4, and the support assembly 23 is used for supporting the grouting assembly 33 from the bottom; the slurry mixing component is used for mixing and preparing slurry, and then the prepared slurry is discharged to the grouting component to realize grouting; the second traction assembly can drive the grouting assembly to rotate so as to realize unfolding and folding;

through installing supporting mechanism, slip casting mechanism in the both sides in collecting space area in advance, treat that both fix the back that finishes, first subassembly drive supporting component that pulls rotates downwards to the tilt state, then the second pulls subassembly drive slip casting subassembly and rotates downwards, and the supporting component holds up the slip casting subassembly from the bottom for the slip casting subassembly is firm to be arranged in directly over from the collecting space area, realizes alright realization and stabilizes row's material, and because the slip casting subassembly is arranged in the middle part in, can make the mud drainage fill efficient, the dispersion is even.

As shown in fig. 1 and 4, the grouting assembly 33 includes side plates 331, second rotating columns 332, and grouting pipes 333, the second rotating columns 332 are vertically and rotatably installed at the top end between the two side plates 331, the bottom surfaces of the second rotating columns 332 are vertically communicated with the grouting pipes 333 which are distributed at intervals, the bottoms of the side plates 331 are rotatably installed at the notches at the inner ends of the second installation plates 31, the first traction assembly 22 is connected to the rotating joints of the side plates 331 in a traction manner, and the grouting pipes 333 can swing to a vertical state under the action of gravity when the side plates 331 rotate downwards; when the curb plate inwards draws in, the slip casting pipe rotates to and the curb plate state of juxtaposing, realizes drawing in, when the curb plate rotated out, the slip casting pipe can swing to vertical state under the action of gravity, so realizes the automatic positioning of slip casting pipe.

The bottom of the side plate 331 extends downwards and outwards from the second mounting plate 31, and the extending part of the bottom of the side plate 331 is matched and abutted against the side slope 11; the overhanging design of curb plate can guarantee when placing the design that the overhanging part can be contradicted on the slope, realizes improving the stability of curb plate.

As shown in fig. 1-3, the support assembly 23 includes a first rotary column 231, a support rod 232, and a support plate 2321, the first rotary column 231 is rotatably mounted at the inner end notch of the first mounting plate 21, a plurality of support rods 232 are vertically arranged on the surface of the first rotary column 231 at intervals, a support plate 2321 is arranged at the top end of each support rod 232, the side section of the support plate 2321 is semicircular, the support plate 2321 is disposed between adjacent grouting pipes 333, and the support plate 2321 is attached to the bottom of the second rotary column 332; rotate when rotating, can drive each bracing piece and rotate downwards in step, so can make the layer board rotate to the layer board of horizontal distribution in, the layer board can be followed the bottom sprag and held up the second and changeed the post, and the layer board is arranged in between the adjacent slip casting pipe.

The bottom of the support rod 232 extends downwards and outwards from the first rotary column 231, and the extending part of the bottom of the first rotary column 231 is matched and abutted against the side slope 11; the overhanging design of curb plate can guarantee when placing the design that the overhanging part can be contradicted on the slope, realizes improving the stability of curb plate.

As shown in fig. 3, the first traction assembly 22 and the second traction assembly 32 have the same structure, and the first traction assembly 22 includes a traction motor 221, a traction belt 222 and a driving wheel 223; the traction motor 221 is arranged on the first mounting plate 21, the driving wheel 223 is arranged at the outer end of the first rotary column 231, the driving wheel 223 is positioned at the outer side of the second mounting plate 31, and the traction motor 221 is connected with the driving wheel 223 through a traction belt 222; the traction motor can pull the driving wheel to rotate through the traction belt, so that the rotation of the supporting assembly or the grouting assembly is realized, manual control is not needed, and a traction chain can be adopted besides the traction belt.

As shown in fig. 6, the slurry mixing assembly 4 comprises a vehicle body 41, a first pneumatic pump 43 and a second pneumatic pump 45 are mounted in parallel inside the vehicle body 41, a feed end of the first pneumatic pump 43 is communicated to a first tank 42, a discharge end of the first pneumatic pump is communicated to a mixing tank 47, a feed end of the second pneumatic pump 45 is communicated to a second tank 44, and a discharge end of the second pneumatic pump 45 is communicated to the mixing tank 47, the mixing tank 47 is used for aeration mixing and mechanical stirring mixing of materials, an outlet of the mixing tank 47 is communicated to a second rotary column 332, inlet ends of the first pneumatic pump 43 and the second pneumatic pump 45 are connected in parallel to an air compressor 46, and an inlet end of the mixing tank 47 is connected in parallel to the air compressor 46; the first material box is stored with a high-salinity water treatment agent, the second material box is stored with slurry prepared by fly ash and mine high-salinity water; the two mixtures are pumped to a mixing tank by negative pressure to be mixed, the mixing tank can perform aeration and mechanical stirring on the slurry to be mixed, and an air compressor can improve high-pressure gas required by the mixing tank and a pneumatic pump.

As shown in fig. 6, the outlet of the air compressor 46 is connected in parallel with a first air outlet pipe and a second air outlet pipe, the first air outlet pipe is communicated to the mixing tank 47, the exterior of the second air outlet pipe is sequentially provided with a barometer 4621, a water filter 4622 and an oil filter 4623, and the outlet of the oil filter is connected in parallel with the first pneumatic pump and the second pneumatic pump; the air pressure gauge can monitor the pressure of the entering gas, and the water filter and the oil filter can filter water and oil gas in the air.

The utility model is implemented as follows:

leveling the edge of the goaf to form a required side slope 11;

then placing infrared positioners at two sides of the goaf, marking the installation positions of the grouting mechanism 3 and the supporting mechanism 2, ensuring that the grouting mechanism 3 and the supporting mechanism 2 are arranged oppositely, and when the grouting mechanism 3 and the supporting mechanism 2 are jointed, connecting lines of the first mounting plate and the second mounting plate are standard lines, and the jointing central line of the second rotating column 332 and the supporting plate 2321 is superposed with the central line of the standard lines;

when the supporting mechanism 2 is installed, the first mounting plate 21 is fixed on the ground by using the anchoring rod, and in an initial state, the supporting rod 232 is in a vertical state; when the grouting mechanism 3 is installed, the second installation plate 31 is fixed on the ground by using the anchoring rod, and in an initial state, the grouting pipe 333 and the side plate 331 are both in a vertical state;

moving the slurry mixing truck body to one side of the grouting mechanism 3, and communicating a discharge hose of the mixing tank 47 with the second pipe body;

before grouting operation, the first traction assembly 22 drives the support rod 232 to rotate downwards, so that the supporting plate rotates to be in a horizontal state, the center line of the supporting plate is located at the center line of a standard line, and the overhanging part at the bottom end of the support rod 232 butts against the side slope 11 of the goaf 1;

the second traction assembly 32 drives the side plate 331 to rotate downwards, the grouting pipe 333 is kept vertical under the action of gravity, the second rotary column 332 and the side plate 331 rotate relatively, and when the second rotary column 332 rotates to be overlapped on a supporting plate, the supporting plate stops, and the supporting plate is restrained and positioned from the bottom and the side;

and the high-salinity water treatment agent, the mine high-salinity water, the fly ash and the water are quantitatively mixed in the mixing tank and are finally injected into the goaf through the second rotary column and the plurality of grouting pipes.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. The goaf fly ash slurry pressure injection equipment is characterized in that: the automatic grouting device comprises a goaf (1), wherein a side slope (11) with a chamfer structure is arranged at the opening at the top of the goaf (1), a supporting mechanism (2) is installed on one side of the top of the goaf (1), a grouting mechanism (3) is installed on the other side of the top of the goaf (1), the supporting mechanism (2) comprises a first mounting plate (21), a first traction assembly (22) and a supporting assembly (23), the first mounting plate (21) is arranged on one side of the top of the goaf, the first traction assembly (22) is arranged on the surface of the first mounting plate (21), the inner end of the first mounting plate (21) is rotatably connected with the supporting assembly (23), and the first traction assembly (22) is used for driving the supporting assembly (23) to rotate around the first mounting plate (21);

grouting mechanism (3) draw subassembly (32), slip casting subassembly (33) including second mounting panel (31), second, the top opposite side in collecting space area (1) is located in second mounting panel (31), the surface of second mounting panel (31) is equipped with second and draws subassembly (32), slip casting subassembly (33) is connected in the inner rotation of second mounting panel (31), slip casting subassembly (33) and thick liquid mixing assembly (4) intercommunication, supporting component (23) are used for lifting up slip casting subassembly (33) from the bottom.

2. The goaf fly ash slurry pressure injection equipment as claimed in claim 1, wherein: slip casting subassembly (33) include curb plate (331), second rotary column (332) and slip casting pipe (333), two perpendicular rotation in top between curb plate (331) is installed second rotary column (332), the perpendicular intercommunication interval distribution's of bottom surface slip casting pipe (333) of second rotary column (332), the bottom of curb plate (331) is rotated and is installed in the inner breach department of second mounting panel (31), first subassembly (22) of pulling is pull the rotation junction of being connected to curb plate (331), and slip casting pipe (333) can swing to vertical state under the action of gravity when curb plate (331) rotates downwards.

3. The goaf fly ash slurry pressure injection equipment as claimed in claim 2, wherein: the bottom of the side plate (331) extends downwards and outwards from the second mounting plate (31), and the outwards extending part of the bottom of the side plate (331) is matched and abutted against the side slope (11).

4. The goaf fly ash slurry pressure injection equipment as claimed in claim 1, wherein: support component (23) include first rotary column (231), bracing piece (232) and layer board (2321), first rotary column (231) rotate and install in the inner breach department of first mounting panel (21), the perpendicular interval in surface of first rotary column (231) is equipped with a plurality of bracing pieces (232), every the top of bracing piece (232) all is equipped with layer board (2321), the side cross-section of layer board (2321) is semicircle form, layer board (2321) are arranged in between adjacent slip casting pipe (333), second rotary column (332) bottom is arranged in the laminating of layer board (2321).

5. The goaf fly ash slurry pressure injection equipment of claim 4, wherein: the bottom of the supporting rod (232) extends downwards and outwards to the first rotating column (231), and the extending part of the bottom of the first rotating column (231) is matched and abutted against the side slope (11).

6. The goaf fly ash slurry pressure injection equipment as claimed in claim 1, wherein: the first traction assembly (22) and the second traction assembly (32) are identical in structure, and the first traction assembly (22) comprises a traction motor (221), a traction belt (222) and a driving wheel (223); traction motor (221) is located on first mounting panel (21), the outer end of first rotary column (231) is located in drive wheel (223), drive wheel (223) are located the outside of second mounting panel (31), traction motor (221) passes through traction band (222) and connects drive wheel (223).

7. The goaf fly ash slurry pressure injection equipment as claimed in claim 1, wherein: the slurry mixing assembly (4) comprises a vehicle body (41), a first pneumatic pump (43) and a second pneumatic pump (45) are installed inside the vehicle body (41) in parallel, the feeding end of the first pneumatic pump (43) is communicated to a first material box (42), the discharging end of the first pneumatic pump is communicated to a mixing tank (47), the feeding end of the second pneumatic pump (45) is communicated to a second material box (44), and the discharging end of the second pneumatic pump is communicated to the mixing tank (47), the mixing tank (47) is used for carrying out aeration mixing and mechanical stirring mixing on materials, the outlet of the mixing tank (47) is communicated to a second rotary column (332), the air inlet ends of the first pneumatic pump (43) and the second pneumatic pump (45) are connected to an air compressor (46) in parallel, and the air inlet end of the mixing tank (47) is connected to a compressor air pressure (46) in parallel.

8. The goaf fly ash slurry pressure injection equipment as claimed in claim 7, wherein: the outlet of the air compressor (46) is connected with a first air outlet pipe and a second air outlet pipe in parallel, the first air outlet pipe is communicated to the mixing tank (47), and the outlet of the second air outlet pipe is connected to the first pneumatic pump and the second pneumatic pump in parallel.

Images