CN113503169B - Mining suspension mobile intelligent grouting system - Google Patents
Mining suspension mobile intelligent grouting system Download PDFInfo
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- CN113503169B CN113503169B CN202110743303.2A CN202110743303A CN113503169B CN 113503169 B CN113503169 B CN 113503169B CN 202110743303 A CN202110743303 A CN 202110743303A CN 113503169 B CN113503169 B CN 113503169B
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- 239000000725 suspension Substances 0.000 title claims abstract description 37
- 238000005065 mining Methods 0.000 title claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 104
- 239000000463 material Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 20
- 238000005303 weighing Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 241000537371 Fraxinus caroliniana Species 0.000 claims description 8
- 235000010891 Ptelea trifoliata Nutrition 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 abstract description 11
- 239000004568 cement Substances 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a mining suspension mobile intelligent grouting system which comprises a horizontal bin pump, a suspension guide rail, a driving and braking device, a suspension mobile wheel set, a mobile bin, a quantitative feeding mechanism, a stirring mechanism, a grouting pump and a control device. According to the invention, a novel pneumatic conveying system for mining powdery or granular materials is adopted to remotely convey powdery materials to a movable stock bin capable of freely moving along a guide rail through a conveying pipeline for material-gas separation; then, through a mixing conveying device and a quantitative feeding mechanism, automatic feeding is carried out according to the required amount of the powder material; quantitative water supply is realized by the set water-cement ratio, and the water-cement ratio and the stirring quality of the slurry are stably controlled; the grouting pressure and the grouting amount of the grouting pump are detected in real time during grouting, the problem of judgment according to experience is solved, the grouting reinforcement effect is greatly improved, the grouting operation flow is simplified, the labor intensity of staff is reduced, the automatic control and the refined management are realized, the operation cost is reduced, and the grouting reinforcement quality is effectively ensured.
Description
Technical Field
The invention relates to the technical field of coal mine roadway support, in particular to a mining suspension mobile intelligent grouting system.
Background
In the coal mine roadway support engineering, an anchor net support and grouting filling reinforcement method is often adopted, and along with the increase of the coal mine exploitation depth, higher requirements on support strength and support quality are put forward, and grouting reinforcement is an important link. The following problems exist in the existing grouting reinforcement construction of the coal mine: (1) At present, powder materials for grouting of coal mines are commonly transported by a bagged mine car, the transportation efficiency is low, and potential safety hazards exist during transportation of inclined roadway mine cars. The bag is manually disassembled to feed the stirrer, so that the labor intensity of operators is high, and dust during feeding and stirring is difficult to solve, thereby affecting the health of operators; (2) In the preparation process of grouting slurry, the manual feeding and water injection are greatly influenced by artificial factors, the control of the water-cement ratio is often not strict, the slurry stirring is mainly performed empirically, the water-cement ratio cannot be controlled in an optimal range, the initial setting time and the final setting time cannot be controlled after grouting, the initial strength and the later strength and the performance of the material are difficult to ensure, the roadway supporting effect is directly influenced, and even potential safety hazards are brought; (3) Grouting reinforcement is a hidden project, grouting end standard is not tightly controlled, actual grouting amount and grouting pressure are only judged by manual observation or experience, grouting effect is difficult to ensure, and later verification cannot be carried out; (4) The grouting reinforcement construction operation has high labor intensity and low efficiency; (5) Grouting reinforcement has no record, and when problems occur, construction technology and management data cannot be inquired, and construction quality is difficult to judge.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a mining suspension mobile intelligent grouting system which has the advantages of automatic quantitative feeding, automatic water ash proportioning, real-time monitoring of grouting flow and pressure, technical and management data storage and uploading, and improvement of grouting reinforcement quality.
The technical scheme adopted for solving the technical problems is as follows: a mining suspension mobile intelligent grouting system comprises a feeding unit, a quantitative feeding unit, a stirring unit, a grouting unit and a control unit;
the feeding unit comprises a horizontal bin pump which is connected with a pneumatic conveying system, so that the horizontal bin pump is connected with the quantitative feeding unit through the pneumatic conveying system;
the quantitative feeding unit comprises a movable bin and a weighing sensor arranged on the movable bin, and the weighing sensor is connected with the control unit, so that a weight signal acquired by the weighing sensor is transmitted to the control unit;
the stirring unit comprises a stirring mechanism and a water injection mechanism connected with the stirring mechanism, one end of the water injection mechanism is connected with the water storage mechanism, the other end of the water injection mechanism is communicated with the inside of the stirring mechanism, a water ash quantitative proportioning system is arranged in the water injection mechanism, and the water ash quantitative proportioning system is connected with the control unit;
the grouting unit comprises a grouting pump, a grouting speed sensor and a grouting pressure sensor, the grouting pump is connected with a grouting outlet of the stirring unit, and the grouting speed sensor and the grouting pressure sensor are respectively connected with the control unit;
the control unit comprises a feeding control unit, a stirring and proportioning control unit and a grouting control unit, wherein the weighing sensor is connected with the feeding control unit, the water ash quantitative proportioning system is connected with the stirring and proportioning control unit, and the grouting speed sensor and the grouting pressure sensor are respectively connected with the grouting control unit.
Optionally, the quantitative feeding unit further comprises a hanging guide rail, and the movable storage bin is connected with the hanging guide rail through a hanging movable wheel set, so that the movable storage bin can move back and forth on the hanging guide rail through the hanging movable wheel set;
the weighing sensor is arranged between the suspension moving wheel set and the moving bin;
the suspension guide rail is hoisted at the bottom of the roadway top plate through the suspension rod assembly.
Optionally, a traction device is further arranged on the suspension guide rail, and the suspension moving wheel set is connected with the traction device, so that the moving bin moves or stops under the action of the traction device.
Optionally, the one end that removes the feed bin is keeping away from horizontal storehouse pump is equipped with the discharge gate, and the inside of removing the feed bin is equipped with compounding conveyor, makes the compounding pass through compounding conveyor is carried to the discharge gate position, and falls into the stirring unit inside through the discharge gate.
Optionally, remove the inside of feed bin and be equipped with pressure release chamber and defeated material chamber, pneumatic conveying system's discharge end is connected with the pressure release chamber that removes the feed bin, compounding conveyor locates defeated material intracavity.
Optionally, the stirring mechanism comprises a stirring barrel and a stirring shaft arranged in the stirring barrel, the top of the stirring barrel is connected with a mounting seat, and a mixing material inlet and a driving mechanism for driving the stirring shaft to rotate are fixedly arranged on the mounting seat;
the water injection unit is arranged at the side part of the stirring barrel.
Optionally, an anchor stirring blade is arranged at the outer circle of the lower end of the stirring shaft, the anchor stirring blade is positioned at the bottom of the stirring barrel, and gaps are reserved between the anchor stirring blade and the bottom and the side surfaces of the stirring barrel;
the middle part of the stirring shaft is provided with turbine stirring blades.
Optionally, the water injection unit comprises an electromagnetic valve, a steel pipe, a first quick connector, a second quick connector, a connector assembly and a rubber hose;
the steel pipe is fixedly connected to the side portion of the stirring barrel through the first quick connector and the connector assembly, the electromagnetic valve is arranged in the steel pipe, one end, away from the stirring barrel, of the steel pipe is connected with the rubber hose through the second quick connector, and one end, away from the second quick connector, of the rubber hose is connected with the water storage mechanism.
Optionally, the outside of agitator be equipped with the inside intercommunication of agitator inhale the thick liquid groove, inhale the bottom height of thick liquid groove and be less than the bottom height of agitator.
Optionally, the cross section of the pulp suction groove is trapezoidal, the oblique sides of the two sides of the pulp suction groove are tangent to the outer circle of the barrel body of the stirring barrel, and a discharge port for discharging pulp is arranged on one side of the pulp suction groove away from the stirring barrel.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, a pneumatic remote conveying system is adopted to convey grouting powder raw materials into a movable stock bin, and then the grouting powder raw materials are conveyed to a stirring unit through a mixing conveying device, so that the defects of low conveying efficiency and potential safety hazards during transportation of inclined roadway mine cars caused by using bagged mine cars for conveying the powder materials for grouting the coal mine in the prior art are overcome, and the defects of manual bag disassembly for feeding the stirring machine, high labor intensity and high dust during feeding and stirring are overcome;
2. according to the invention, the material can be automatically fed according to the required amount of the grouting powder raw material, quantitative water injection is realized according to the set water-cement ratio, and the water-cement ratio and the stirring quality of the slurry are stably controlled; the grouting pressure and the grouting amount of the grouting pump are detected in real time during grouting, and grouting is automatically ended according to set grouting end conditions, so that the problem of judgment according to experience is solved, and the grouting reinforcement effect is greatly improved;
3. the invention can collect, store and upload grouting technical parameters and management data through the control unit, simplifies grouting operation flow, greatly reduces staff labor intensity, realizes automatic control and fine management, greatly improves production efficiency, reduces operation cost and effectively ensures grouting reinforcement quality.
Drawings
FIG. 1 is a schematic diagram of the system components of the present invention;
FIG. 2 is a schematic structural view of the stirring unit of the present invention;
FIG. 3 is a schematic view of a water injection unit according to the present invention;
FIG. 4 is a front view of the control box of the present invention;
fig. 5 is an electrical control schematic of the present invention.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the invention discloses a mining suspension mobile intelligent grouting system, which can realize the remote Cheng Qili conveying of powder materials, the free movement and stop of a mobile bin along a track, quantitative feeding, automatic water ash proportioning, real-time monitoring of grouting flow and pressure, and the storage and uploading of technical and management data. This mining portable intelligent grouting system that hangs includes: the device comprises a feeding unit, a quantitative feeding unit, a stirring unit, a grouting unit and a control unit.
Referring to fig. 1, the feeding unit of the mining suspension mobile intelligent grouting system in this embodiment includes a horizontal bin pump 1, where the horizontal bin pump 1 is provided with a pneumatic conveying system, so that the horizontal bin pump 1 can send powder materials put into the horizontal bin pump into the quantitative feeding unit in a pneumatic conveying manner through a conveying pipe 9.
Referring to fig. 1, the quantitative feeding unit comprises a suspension guide rail 2, a suspension rod assembly 3, a traction device 4, a connecting rod 5, a suspension moving wheel set 6, a weighing sensor 7, a moving stock bin 8, a mixing conveying device 10 and a discharge hole 11. Specifically, the hanger rail 2 is fixed to the bottom of the roadway roof by the hanger bar assembly 3, that is, the hanger rail 2 is fixedly connected by means of hoisting. The movable storage bin 8 is connected with the suspension guide rail 2 through the suspension movable wheel group 6, so that the movable storage bin 8 can move left and right along the suspension guide rail 2, and the weighing sensor 7 is connected between the suspension movable wheel group 6 and the movable storage bin 8, namely, the movable storage bin 8 is connected with the suspension movable wheel group 6 through the weighing sensor 7, so that the weighing sensor 7 can always acquire the weight data of the movable storage bin 8 and transmit the weight data to the control unit.
In the present embodiment, the suspension wheelset 6 is connected to the traction device 4 by a connecting rod 5, and the traction device 4 performs a traction action and a braking action on the suspension wheelset 6 by the connecting rod 5, and in the present embodiment, the traction device 4 may be, for example, a cylinder assembly. In this embodiment, the interior of the movable storage bin 8 is divided into a pressure release cavity and a material conveying cavity, the pressure release cavity and the material conveying cavity are distributed up and down, the tail end of the material conveying pipe 9 is connected with the pressure release cavity, so that materials are conveyed into the pressure release cavity from the material conveying pipe 9, the materials are subjected to gas-material separation and depressurization in the pressure release cavity, and the materials subjected to separation and depressurization fall back into the material conveying cavity. The material mixing and conveying device 10 is installed in the material conveying cavity, the material is conveyed to the position of the discharge hole 11 in the material conveying cavity through the material mixing and conveying device 10, and finally the material falls into the stirring unit.
Referring to fig. 1, the stirring unit of the present embodiment includes a stirring mechanism and a water injection mechanism 23.
Specifically, referring to fig. 1 and 2, the stirring mechanism of the present embodiment includes a stirring tank 17, a mounting base 37, a pneumatic motor 38, a stirring shaft 39, stirring teeth i 22, stirring teeth ii 21, a discharge port 19, a suction tank 18, a feed port 15, and an ultrasonic pulp density meter 16.
The upper end of agitator 17 is provided with mount pad 37, installs feed inlet 15 and air motor 38 on the mount pad 37, connects through the U-shaped round pin between motor shaft and the (mixing) shaft 39 of air motor 38 lower extreme, and the journal of (mixing) shaft 39 front end is supported in the back-up ring that the agitator 17 bottom center set up. The lower extreme excircle department of (mixing) shaft 39 is provided with stirring tooth II 21, and stirring tooth II 21 adopts anchor stirring vane, is located the bottom of agitator 17, and all leaves the clearance with agitator 17 bottom and side. The middle part of (39) stirring tooth (I22) is provided with, and stirring tooth (I22) adopts turbine formula stirring vane.
The outer side surface of the stirring barrel 17 is provided with a water injection mechanism 23. Referring to fig. 2, the water injection mechanism 23 includes a solenoid valve 30, a steel pipe 40, a first quick connector 28, a second quick connector 32, a connector assembly 29, a flow meter 31, and a rubber hose. The steel pipe 40 is fixedly connected to the side of the stirring barrel 17 through the first quick connector 28 and the connector assembly 29, the electromagnetic valve 30 is arranged in the steel pipe 40, one end, far away from the stirring barrel 17, of the steel pipe 40 is connected with a rubber hose through the second quick connector 32, one end, far away from the second quick connector 32, of the rubber hose is connected with a water storage mechanism, and the flowmeter 31 is also arranged in the steel pipe 40.
The outside face of the stirring barrel 17 is provided with a slurry sucking groove 18 communicated with the inside of the stirring barrel, the section of the slurry sucking groove 18 is trapezoid, two oblique sides of the slurry sucking groove 18 are tangent to the outer periphery of the stirring barrel 17, the bottom of the slurry sucking groove 18 is lower than the bottom of the stirring barrel 17, the suction head of a grouting unit or the suction port of a slurry sucking pipe is lower than the bottom of the stirring barrel 17, and one side of the slurry sucking groove 18 is provided with a discharge port 19 for discharging slurry or cleaning the stirring barrel 17.
Referring to fig. 1, the grouting unit of the present embodiment includes a grouting pump 27. A suction head of the grouting pump 27 or a suction pipe of another construction type grouting pump is inserted into the bottom of the suction groove 18 along the suction groove 18. The outside of the cylinder body of the grouting pump 27 is provided with a grouting speed sensor 26, the grouting outlet 24 of the grouting pump 27 is provided with a grouting pressure sensor 25, the grouting speed sensor 26 collects the reciprocating times of the piston of the grouting pump 27 in unit time, and the grouting pressure sensor 25 detects and displays the grouting pressure of the grouting outlet 24 of the grouting pump 27.
Referring to fig. 1 to 5, in this embodiment, the control unit includes a control box and a control system disposed in the control box, and the control system is integrated with a feeding control unit, a stirring and proportioning control unit, a grouting control unit, a data processing unit, a data storage unit, and a data transmitting unit.
Specifically, referring to fig. 4, the control box of the present embodiment includes a water injection assembly 12, a display 13, an explosion-proof chamber 33, a cable introduction device 34, a main body An Qiang, and an operation button group 36. In the above embodiment, the second quick connector 32 is connected to the water storage mechanism after passing through the control box.
The working flow of the mining suspension mobile intelligent grouting system provided by the invention is as follows:
s1, inputting required grouting material quantity and water-cement ratio, and starting a system;
s2, injecting water into the stirring barrel 17, and stopping until the required water amount is reached
S3, starting a quantitative feeding unit, feeding materials into the stirring barrel 17, stopping after the required material amount is reached, and starting a stirring mechanism to stir the slurry while feeding the materials;
wherein the weight of the material added into the stirring barrel 17 is detected by the weighing sensor 7;
s4, in the slurry stirring process, detecting the slurry density by an ultrasonic pulp density meter 16, and sending a qualification indication to a control unit after the qualification;
s5, starting a grouting unit, starting grouting, detecting and recording grouting amount and grouting pressure, and stopping grouting after the grouting amount or grouting pressure required by grouting is reached;
s6, recording grouting technical parameters and management data, and transmitting the grouting technical parameters and the management data to a storage unit of the control unit.
In S3, when the discharging of the movable stock bin 8 reaches the required amount by the weighing sensor 7, the feeding control unit sends out an instruction, and the valve of the material mixing and conveying device 10 is closed to stop feeding.
In S2, the stirring tank 17 is filled with water according to the set water-cement ratio, and when the required water amount is reached by the flowmeter 31, the stirring and proportioning control unit gives an instruction, and the electromagnetic valve 30 is automatically closed. Then the quantitative feeding unit and the stirring mechanism are started, grouting slurry is stirred, the ultrasonic slurry density meter 16 detects the density (concentration) of the slurry, and after the slurry is uniformly stirred, the stirring and proportioning control unit sends out a qualification indication.
The grouting control unit can collect and store grouting amount and grouting pressure of the grouting pump 27 through the grouting speed sensor 26 and the grouting pressure sensor 25, when the grouting pump 27 reaches preset grouting pressure, the grouting control unit sends out grouting stopping instructions and stops grouting, piston reciprocating times of the grouting pump 27 are measured and recorded through the grouting speed sensor 26, grouting amount is obtained through calculation of the data processing unit, and warning is sent out when grouting amount is lower than the preset grouting amount.
In the invention, the data collected by each sensor is calculated and processed by the data processing unit, the main parameters of the operation process of the grouting system are displayed on the display screen 13, the data are transmitted to the data transmission storage unit for storage, and the data are sent to the upper stage through the data sending unit.
In this embodiment, the box body of the control box includes an explosion-proof cavity 33 and a main body An Qiang, the explosion-proof cavity 33 is located at the lower part, and an intrinsic safety power supply and a relay are arranged inside the explosion-proof cavity. The intrinsic safety cavity 35 is positioned at the upper part, and an intrinsic safety controller, a display screen 13 and a mining intrinsic safety type wireless gateway are arranged in the intrinsic safety cavity. The display 13 is an intrinsically safe display.
The display screen 13 is connected with the intrinsic safety controller through an RS485 interface and is used for displaying, setting various parameters and controlling the operation of the intelligent grouting system. The mining intrinsic safety type wireless gateway is connected with the intrinsic safety controller through an RS485 interface and is used for transmitting various data of the intelligent grouting system to the underground wireless network for monitoring and inquiring.
The explosion-proof cavity 33 of the box body of the control box is provided with a power interface and a control interface, the power interface is used for introducing a power supply of the control box, the power supply is used for supplying power to an intrinsic safety power supply and a relay, the intrinsic safety power supply supplies power to an intrinsic safety controller, a display screen 13 and a mining intrinsic safety type wireless gateway, the control interface is used for transmitting a starting signal to a mining explosion-proof magnetic starter, and the mining explosion-proof magnetic starter is used for starting a feeding unit, a quantitative feeding unit, a stirring unit and a grouting unit.
As shown in fig. 5, the intrinsic safety cavity 35 of the box body of the control box is provided with a material weighing signal interface, a grouting pressure signal interface, a water injection flow signal interface, a slurry density signal interface, a grouting speed signal interface, a water injection signal interface, a pneumatic motor control signal interface, a discharging signal interface and a starting signal interface. The material weighing signal interface is used for introducing weighing signals of the weighing sensor 7 to the intrinsic safety controller; the grouting pressure signal interface is used for introducing a pressure signal of the grouting pressure sensor 25 to the intrinsic safety controller; the water injection flow signal interface is used for introducing a water flow signal of the flowmeter 31 to the intrinsic safety controller; the slurry density signal interface is used for introducing a density signal of the ultrasonic slurry density sensor 16 to the intrinsic safety controller; the grouting speed interface is used for introducing a reciprocating frequency signal of the grouting pump piston of the grouting speed sensor 26 in unit time to the intrinsic safety controller; the water injection signal interface is used for leading out a water injection signal of the intrinsic safety controller to the electromagnetic valve 30 and is used for opening or closing the water inlet steel pipe 40; the pneumatic motor control signal interface is used for leading out a pneumatic motor control signal of the intrinsic safety controller to the mining intrinsic safety type electromagnetic valve and used for starting or stopping the pneumatic motor 38; the unloading signal interface is used for leading out an unloading signal of the intrinsic safety controller to the mining intrinsic safety type electromagnetic valve and is used for opening or closing an unloading channel; the starting signal interface is used for leading out a starting signal of the intrinsic safety controller to a relay in the explosion-proof cavity 33.
The mining explosion-proof magnetic starter is powered by 660V and is used for receiving a starting signal of a relay and controlling the starting and stopping of the mining explosion-proof feeding motor.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Other technical features besides those described in the specification are known to those skilled in the art, and are not described herein in detail to highlight the innovative features of the present invention.
Claims (6)
1. The mining suspension mobile intelligent grouting system is characterized by comprising a feeding unit, a quantitative feeding unit, a stirring unit, a grouting unit and a control unit;
the feeding unit comprises a horizontal bin pump which is connected with a pneumatic conveying system, so that the horizontal bin pump is connected with the quantitative feeding unit through the pneumatic conveying system;
the quantitative feeding unit comprises a movable bin and a weighing sensor arranged on the movable bin, and the weighing sensor is connected with the control unit, so that a weight signal acquired by the weighing sensor is transmitted to the control unit;
the stirring unit comprises a stirring mechanism and a water injection mechanism connected with the stirring mechanism, one end of the water injection mechanism is connected with the water storage mechanism, the other end of the water injection mechanism is communicated with the inside of the stirring mechanism, a water ash quantitative proportioning system is arranged in the water injection mechanism, and the water ash quantitative proportioning system is connected with the control unit;
the grouting unit comprises a grouting pump, a grouting speed sensor and a grouting pressure sensor, the grouting pump is connected with a grouting outlet of the stirring unit, and the grouting speed sensor and the grouting pressure sensor are respectively connected with the control unit;
the control unit comprises a feeding control unit, a stirring and proportioning control unit and a grouting control unit, wherein the weighing sensor is connected with the feeding control unit, the water ash quantitative proportioning system is connected with the stirring and proportioning control unit, and the grouting speed sensor and the grouting pressure sensor are respectively connected with the grouting control unit;
the quantitative feeding unit further comprises a hanging guide rail, and the movable storage bin is connected with the hanging guide rail through a hanging movable wheel set, so that the movable storage bin can move back and forth on the hanging guide rail through the hanging movable wheel set;
the weighing sensor is arranged between the suspension moving wheel set and the moving bin;
the suspension guide rail is hoisted at the bottom of the roadway top plate through a suspension rod assembly;
the suspension guide rail is also provided with a traction device, and the suspension moving wheel set is connected with the traction device, so that the moving bin moves or stops under the action of the traction device;
the movable feed bin is provided with a discharge hole at one end far away from the horizontal bin pump, and a mixing material conveying device is arranged in the movable feed bin, so that mixing materials are conveyed to the position of the discharge hole through the mixing material conveying device and fall into the stirring unit through the discharge hole;
the inside of removing the feed bin is equipped with pressure release chamber and defeated material chamber, pneumatic conveying system's discharge end is connected with the pressure release chamber of removing the feed bin, compounding conveyor locates defeated material intracavity.
2. The mining suspension mobile intelligent grouting system according to claim 1, wherein the stirring mechanism comprises a stirring barrel and a stirring shaft arranged in the stirring barrel, the top of the stirring barrel is connected with a mounting seat, and a mixing material feeding port and a driving mechanism for driving the stirring shaft to rotate are fixedly arranged on the mounting seat;
the water injection mechanism is arranged at the side part of the stirring barrel.
3. The mining suspension mobile intelligent grouting system according to claim 2, wherein an anchor stirring blade is arranged at the outer circle of the lower end of the stirring shaft, the anchor stirring blade is positioned at the bottom of the stirring barrel, and gaps are reserved between the anchor stirring blade and the bottom and the side surfaces of the stirring barrel;
the middle part of the stirring shaft is provided with turbine stirring blades.
4. The mining suspension mobile intelligent grouting system according to claim 3, wherein the water injection mechanism comprises an electromagnetic valve, a steel pipe, a first quick connector, a second quick connector, a connector assembly and a rubber hose;
the steel pipe is fixedly connected to the side portion of the stirring barrel through the first quick connector and the connector assembly, the electromagnetic valve is arranged in the steel pipe, one end, away from the stirring barrel, of the steel pipe is connected with the rubber hose through the second quick connector, and one end, away from the second quick connector, of the rubber hose is connected with the water storage mechanism.
5. The mining suspension mobile intelligent grouting system according to claim 4, wherein a slurry suction groove communicated with the inside of the stirring barrel is arranged on the outer side of the stirring barrel, and the bottom height of the slurry suction groove is lower than that of the stirring barrel.
6. The mining suspension mobile intelligent grouting system according to claim 5, wherein the section of the slurry suction groove is trapezoid, two oblique sides of the slurry suction groove are tangent to the outer circle of the barrel body of the stirring barrel, and a discharging port for discharging slurry is arranged on one side of the slurry suction groove away from the stirring barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110743303.2A CN113503169B (en) | 2021-07-01 | 2021-07-01 | Mining suspension mobile intelligent grouting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110743303.2A CN113503169B (en) | 2021-07-01 | 2021-07-01 | Mining suspension mobile intelligent grouting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113503169A CN113503169A (en) | 2021-10-15 |
| CN113503169B true CN113503169B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110743303.2A Active CN113503169B (en) | 2021-07-01 | 2021-07-01 | Mining suspension mobile intelligent grouting system |
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| Country | Link |
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| CN (1) | CN113503169B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE687217A (en) * | 1965-09-27 | 1967-03-22 | ||
| CN107826771A (en) * | 2017-11-28 | 2018-03-23 | 淮南东华欧科矿山支护设备有限责任公司 | New type mining powdery or granular material air-transport system |
| CN209601425U (en) * | 2018-10-19 | 2019-11-08 | 天奇自动化工程股份有限公司 | Roof pressing type drives suspension conveying system |
| CN111236981A (en) * | 2020-03-30 | 2020-06-05 | 河南力行科创矿山技术开发有限公司 | Underground coal mine movable integrated automatic grouting system and using method |
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2021
- 2021-07-01 CN CN202110743303.2A patent/CN113503169B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE687217A (en) * | 1965-09-27 | 1967-03-22 | ||
| CN107826771A (en) * | 2017-11-28 | 2018-03-23 | 淮南东华欧科矿山支护设备有限责任公司 | New type mining powdery or granular material air-transport system |
| CN209601425U (en) * | 2018-10-19 | 2019-11-08 | 天奇自动化工程股份有限公司 | Roof pressing type drives suspension conveying system |
| CN111236981A (en) * | 2020-03-30 | 2020-06-05 | 河南力行科创矿山技术开发有限公司 | Underground coal mine movable integrated automatic grouting system and using method |
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| CN113503169A (en) | 2021-10-15 |
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