A mine dry mix terminal filling system

Abstract

The present invention relates to a mine dry mix terminal filling system, which belongs to the technical field of mine equipment, and includes a stirring and conveying component for stirring and conveying materials; a hopper component for storing materials stirred by the stirring and conveying component and discharging the materials; and an electrical control mechanism for controlling the stirring and conveying component and the hopper component. The present invention adopts dry high-quality premixes, and the material ratio (cement, sand, gravel) is uniform and stable; the material supply is taken as needed without any waste; when the underground material warehouse needs materials, a request can be quickly sent to the upper buffer warehouse through the electrical control system, and the materials can be automatically replenished to achieve real-time response; the material composition and ratio are not affected by environmental factors, ensuring the high quality of concrete; fewer operators are required, and the labor cost is low; the labor intensity of workers is small, the closed operating environment is less polluted, and the safety and health risks are small.

Description

Technical Field

[0001] The invention relates to the technical field of mine equipment, in particular to a mine dry mix terminal filling system. Background Art

[0002] When existing mines need grouting or filling after mine excavation, cement, sand and gravel are mixed in a certain proportion on site underground in the coal mine, stirred evenly by hand or machine, and then transported to the nozzle through a feed pipe with compressed air as the power, and then mixed with supplementary pressurized water and sprayed onto the sprayed surface using a tidal jet sprayer.

[0003] The existing methods have the following problems:

[0004] 1. Construction materials such as cement and sand need to be unloaded and batched manually underground, which is labor-intensive for workers;

[0005] 2. The material ratio is difficult to control and the quality of concrete cannot be guaranteed;

[0006] 3. Open-type operations cause serious dust pollution and pose occupational disease hazards;

[0007] 4. There is serious waste. Unused materials will solidify and cannot be used again. Summary of the invention

[0008] The object of the present invention is to provide a mine dry mix terminal filling system to solve the problems raised in the above background technology.

[0009] To achieve the above object, the present invention provides the following technical solutions:

[0010] A mine dry mix terminal filling system, comprising:

[0011] A stirring and conveying component, used for stirring and conveying materials;

[0012] A hopper assembly, used for storing the material stirred by the stirring and conveying assembly and discharging the material;

[0013] The electrical control mechanism is used to control the stirring and conveying assembly and the hopper assembly.

[0014] As a further technical solution of the present invention, the stirring and conveying assembly comprises:

[0015] Mixing tube, used for mixing and conveying materials;

[0016] A stop bearing member, mounted at one end of the mixing tube via a first connecting member;

[0017] An input pipe is installed at an end of the mixing pipe away from the stop bearing member through a second connecting member;

[0018] A hopper, connected to the input pipe via a third connecting piece, for supplying materials to the input pipe;

[0019] A driver, fixedly mounted on an end of the input pipe away from the mixing pipe;

[0020] The metering stirring shaft is rotatably mounted in the input pipe, and one end of the metering stirring shaft penetrates the input pipe and is connected to the cycloid hydraulic motor.

[0021] As a further technical solution of the present invention, the first connecting member and the second connecting member both include:

[0022] First fixing plates arranged in pairs;

[0023] a second fixing plate;

[0024] A hexagonal head bolt, one end of which passes through the first fixing plates arranged in pairs;

[0025] A flat washer, sleeved outside the hexagonal bolt;

[0026] A hexagonal nut, sleeved on one end of the hexagonal bolt penetrating the first fixing plate and threadedly connected thereto;

[0027] A swing bolt, one end of which is rotatably connected to the hexagonal bolt and the other end of which extends into the second fixing plate;

[0028] The fastening nut is sleeved on the outside of one end of the movable bolt extending into the second fixing plate and is threadedly connected with the movable bolt.

[0029] As a further technical solution of the present invention, an observation piece for observation is installed on the hopper, and the observation piece includes:

[0030] An observation hole glass plate, with an observation hole asbestos plate installed on one side and an observation hole pressure plate installed on the other side;

[0031] One end of the fixing bolt passes through the observation hole pressure plate, the observation hole glass plate and the observation hole asbestos plate and is threadedly connected to the hopper.

[0032] As a further technical solution of the present invention, the driver is connected to the input pipe through a driving hinge and a first hexagonal full-thread bolt, and the end of the driver away from the input pipe is connected to the cycloid hydraulic motor through a second hexagonal full-thread bolt.

[0033] As a further technical solution of the present invention, a sealing ring is installed between the input pipe and the mixing pipe, a mixing pipe hinge is installed on the input pipe, and a hinge shaft matching the mixing pipe hinge is installed on the mixing pipe.

[0034] As a further technical solution of the present invention, a hopper extension section is installed on the hopper, a hopper cover is installed on the hopper extension section, an air return port is installed on the hopper cover, and a feed port is installed on the side of the hopper extension section; a negative pressure dust removal port is provided at one end of the mixing tube close to the stop bearing, and a plurality of water injection ports are provided on the mixing tube.

[0035] As a further technical solution of the present invention, the electrical control mechanism includes:

[0036] A frame for supporting the hopper assembly and the mixing and conveying assembly;

[0037] A fuel tank assembly mounted at one end of the frame;

[0038] A hopper stirring valve assembly is installed on the oil tank assembly and connected to the hopper assembly;

[0039] a concrete delivery cylinder, mounted in the frame and connected to the hopper assembly;

[0040] An oil pump motor assembly is installed in the frame, and the oil pump motor assembly is connected to the concrete delivery cylinder through a main valve seat assembly;

[0041] A main oil cylinder, mounted in the frame and connected to the concrete delivery cylinder and the main valve seat assembly;

[0042] A three-phase asynchronous motor mounted in the frame and connected to the oil pump motor assembly;

[0043] A flameproof vacuum soft starter is installed on one side of the frame. The flameproof vacuum soft starter is connected to the three-phase asynchronous motor through a first power cable.

[0044] As a further technical solution of the present invention, a hydraulic oil heat exchanger is installed in the frame, and the hydraulic oil heat exchanger wire-wound high-pressure hydraulic support hose is connected to the oil tank assembly; the main valve seat assembly is connected to the hopper stirring valve group through a wire-braided hydraulic support hose; a water tank, a hydraulic lubrication pump, a swing cylinder and an accumulator are installed in the frame, and the water tank is connected to the three-phase asynchronous motor through a hydraulic oil water-cooled heat exchanger.

[0045] As a further technical solution of the present invention, the frame is installed with an operating handle indicator plate, a hydraulic gauge, a mine explosion-proof emergency stop button, a nameplate and a coal safety mark, and the mine explosion-proof emergency stop button is connected to the explosion-proof vacuum soft starter through a second power cable.

[0046] Compared with the prior art, the present invention has the following beneficial effects:

[0047] 1. Use dry high-quality premixes, and the material ratio (cement, sand, gravel) is uniform and stable;

[0048] 2. Materials are available as needed without any waste;

[0049] 3. When the underground warehouse needs materials, it can quickly send a request to the upper buffer warehouse through the electronic control system, and the materials can be automatically replenished to achieve real-time response;

[0050] 4. Material composition and proportion are not affected by environmental factors, ensuring high quality of concrete;

[0051] 5. Fewer operators are required, and labor costs are low;

[0052] 6. The labor intensity of workers is low, the closed operating environment is less polluted, and the safety and health risks are small. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 This is the main cross-sectional view of the mine dry mix terminal filling system;

[0054] Figure 2 It is a top view of the mine dry mix terminal filling system;

[0055] Figure 3 It is a partial top view of the mine dry mix terminal filling system;

[0056] Figure 4 It is a side view of the mine dry mix terminal filling system;

[0057] Figure 5 This is a schematic diagram of the structure of the mixing and conveying components in the mine dry mix terminal filling system;

[0058] Figure 6 This is the front view of the mixing and conveying components in the mine dry mix terminal filling system;

[0059] Figure 7 It is a top view of the mixing and conveying components in the mine dry mix terminal filling system;

[0060] Figure 8 for Figure 7 Sectional view at AA in the middle;

[0061] Fig. 9 It is a structural schematic diagram of the first connecting piece in the mine dry mix terminal filling system;

[0062] Fig.10 This is a side view of the mixing and conveying components in the mine dry mix terminal filling system.

[0063] In the figure: 1-hopper assembly, 2-stirring and conveying assembly, 201-cycloidal hydraulic motor, 202-driver, 203-input pipe, 204-hopper, 205-hopper extension section, 206-hopper cover, 207-mixing tube, 208-stop bearing, 209-first connecting piece, 2091-first fixing plate, 2092-second fixing plate, 2093-hexagonal head bolt, 2094-flat washer, 2095-hexagonal head nut, 2096-swing bolt, 2097-fastening nut, 210-second connecting piece, 211-third connecting piece, 212-observation piece, 213-drive hinge, 214-first hexagonal head full thread bolt, 215-second hexagonal head full thread bolt, 216-negative pressure dust removal port, 217-return air port, 218-feed port, 219-water injection port, 220- hinge shaft, 221- hinge for mixing tube, 222- metering stirring shaft, 223- sealing ring, 3- oil tank assembly, 4- concrete delivery cylinder, 5- hopper stirring valve group, 6- operating handle indicator plate, 7- main valve seat assembly, 8- frame, 9- water tank, 10- hydraulic gauge, 11- oil pump motor assembly, 12- delivery stirring valve group, 13- mine explosion-proof emergency stop button, 14- three-phase asynchronous motor, 15- main oil cylinder, 16- hydraulic oil heat exchanger, 17- nameplate, 18- first power cable, 19- second power cable, 20- explosion-proof vacuum soft starter, 21- hydraulic lubrication pump, 22- swing oil cylinder, 23- accumulator, 24- coal safety mark, 25- hydraulic oil water-cooled heat exchanger, 26- steel wire wound high-pressure hydraulic support hose, 27- steel wire braided hydraulic support hose. Implementation

[0064] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0065] The embodiment of the present invention is implemented as follows: Figures 1 to 10 The mine dry mix terminal filling system shown includes:

[0066] The stirring and conveying component 2 is used for stirring and conveying materials, and the stirring and conveying component 2 includes:

[0067] A mixing tube 207 is used for mixing and conveying materials;

[0068] The stop bearing member 208 is mounted at one end of the mixing tube 207 through a first connecting member 209;

[0069] The input pipe 203 is installed at one end of the mixing pipe 207 away from the stop bearing 208 through the second connecting member 210;

[0070] The hopper 204 is connected to the input pipe 203 via a third connecting piece 211 and is used to provide materials to the input pipe 203;

[0071] A driver 202 is fixedly mounted on one end of the input pipe 203 away from the mixing pipe 207;

[0072] A metering and stirring shaft 222 is rotatably mounted in the input pipe 203, and one end of the metering and stirring shaft 222 passes through the input pipe 203 and is connected to the cycloid hydraulic motor 201;

[0073] The hopper assembly 1 is used to store the material stirred by the stirring and conveying assembly 2 and discharge the material;

[0074] The electrical control mechanism is used to control the stirring and conveying assembly 2 and the hopper assembly 1, and the electrical control mechanism includes:

[0075] A frame 8, used for supporting the hopper assembly 1 and the stirring and conveying assembly 2;

[0076] The oil tank assembly 3 is mounted at one end of the frame 8;

[0077] A hopper stirring valve assembly 5 is installed on the oil tank assembly 3 and connected to the hopper assembly 1;

[0078] A concrete delivery cylinder 4 is installed in the frame 8 and connected to the hopper assembly 1;

[0079] The oil pump motor assembly 11 is installed in the frame 8, and the oil pump motor assembly 11 is connected to the concrete delivery cylinder 4 through the main valve seat assembly 7;

[0080] A main oil cylinder 15, installed in the frame 8 and connected to the concrete delivery cylinder 4 and the main valve seat assembly 7;

[0081] A three-phase asynchronous motor 14, mounted in the frame 8 and connected to the oil pump motor assembly 11;

[0082] The flameproof vacuum soft starter 20 is installed on one side of the frame 8 , and the flameproof vacuum soft starter 20 is connected to the three-phase asynchronous motor 14 through a first power cable 18 .

[0083] In actual application, the present invention adds materials to the stirring and conveying component 2 during operation, and the materials are sent to the hopper component 1 under the action of the stirring and conveying component 2. The materials are fully mixed during the conveying process, and the mixed materials enter the silo component for discharge, thereby avoiding manual unloading and batching, thereby reducing the labor intensity of workers, and facilitating the control of material proportions, thereby ensuring the quality of concrete. Specifically, the materials are added to the premix from the hopper 204 and enter the input pipe 203, and the materials are pushed into the mixing pipe 207 under the action of the driver 202 driving the metering stirring shaft 222 to rotate, and the materials are fully mixed and gradually pushed to the other end under the stirring of the metering stirring shaft 222; the stop bearing member 208 is at The first connecting member 209 is used to switch, thereby controlling the discharge of materials. After the materials enter the silo assembly, they are discharged through the electrical control mechanism. During the control, the three-phase asynchronous electric and the oil pump motor assembly 11 cooperate to provide drive. The flameproof vacuum soft starter 20 ensures the safe and stable operation of the three-phase asynchronous motor 14. The main oil cylinder 15 and the oil tank assembly 3 cooperate to provide stable hydraulic oil to ensure the stable operation of the oil pump motor assembly 11. The oil pump motor assembly 11 is equipped with a conveying and stirring valve group 12; the hopper stirring valve group 5 controls the stirring structure in the hopper assembly 1 to prevent the concrete from solidifying. The concrete conveying cylinder 4 is used to convey concrete to the hopper assembly 1 and mix it with the material in the hopper assembly 1.

[0084] like Figures 5 to 9 As shown, as a preferred embodiment of the present invention, the first connecting member 209 and the second connecting member 210 both include:

[0085] First fixing plates 2091 arranged in pairs;

[0086] A second fixing plate 2092;

[0087] A hexagonal head bolt 2093, one end of which passes through the first fixing plates 2091 arranged in pairs;

[0088] A flat washer 2094 is sleeved outside the hexagonal bolt 2093;

[0089] A hexagonal nut 2095, which is sleeved on one end of the hexagonal bolt 2093 that passes through the first fixing plate 2091 and is threadedly connected thereto;

[0090] A hinge bolt 2096, one end of which is rotatably connected to the hexagonal bolt 2093, and the other end of which extends into the second fixing plate 2092;

[0091] A fastening nut 2097 is sleeved on the outside of one end of the movable bolt 2096 extending into the second fixing plate 2092 and is threadedly connected thereto;

[0092] The hopper 204 is provided with an observation member 212 for observation, and the observation member 212 includes:

[0093] An observation hole glass plate, with an observation hole asbestos plate installed on one side and an observation hole pressure plate installed on the other side;

[0094] One end of the fixing bolt passes through the observation hole pressure plate, the observation hole glass plate and the observation hole asbestos plate and is threadedly connected to the hopper 204.

[0095] In one case of the present embodiment, the first fixing plate 2091 of the first connecting member 209 is fixedly mounted on the outside of the mixing tube 207, and the second fixing plate 2092 is fixedly mounted on the outside of the stop bearing member 208. The second fixing plate 2092 is provided with a notch that matches the movable bolt 2096. When the movable bolt 2096 is rotated, the end of the movable bolt 2096 away from the hexagonal head bolt 2093 enters the notch. At this time, the fastening nut 2097 is rotated to make the first fixing plate 2091 and the second fixing plate 2092 be fixedly mounted on the outside of the stop bearing member 208. The fixing plate 2092 is relatively fixed, so that the stop end bearing member 208 is connected and fixed to the mixing tube 207. Conversely, when disassembling, the fastening nut 2097 is rotated in the opposite direction, and the movable bolt 2096 can be taken out from the notch. At this time, the stop end bearing member 208 can be separated from the mixing tube 207; similarly, the first fixing plate 2091 of the second connecting member 210 is fixedly installed on the outside of the input pipe 203, and the second fixing plate 2092 is installed on the outside of the mixing tube 207. The specific disassembly and assembly process is the same as above and will not be repeated.

[0096] Furthermore, an observation piece 212 for observation is installed on the hopper, and the observation piece 212 includes: an observation hole glass plate, an observation hole asbestos plate is installed on one side, and an observation hole pressure plate is installed on the other side; a fixing bolt, one end of which passes through the observation hole pressure plate, the observation hole glass plate and the observation hole asbestos plate and is threadedly connected to the hopper; that is, by setting the observation piece 212, it is convenient to observe the inside, thereby facilitating the judgment of the feeding situation, which is more practical.

[0097] To facilitate overall disassembly and assembly, the driver 202 is connected to the input pipe 203 via a driving hinge 213 and a first hexagonal fully threaded bolt 214, making the connection more stable; the end of the driver 202 away from the input pipe 203 is connected to the cycloid hydraulic motor 201 via a second hexagonal fully threaded bolt 215 to ensure stable drive; at the same time, to improve the sealing of the connection, a sealing ring 223 is installed between the input pipe 203 and the mixing tube 207, a mixing tube hinge 221 is installed on the input pipe 203, and a hinge shaft 220 matched with the mixing tube hinge 221 is installed on the mixing tube 207, that is, the sealing between the input pipe 203 and the mixing tube 207 is improved by the cooperation between the mixing tube hinge 221 and the hinge shaft 220.

[0098] Furthermore, the hopper 204 is provided with a hopper extension section 205, the hopper extension section 205 is provided with a hopper cover 206, the hopper cover 206 is provided with an air return port 217, and the hopper extension section 205 is provided with a feed port 218 on the side, that is, more materials can be added through the hopper extension section 205, and the setting of the hopper cover 206 realizes non-open operation, which can effectively prevent dust pollution and occupational diseases; a negative pressure dust removal port 216 is provided at one end of the mixing tube 207 close to the stop bearing 208, and a plurality of water injection ports 219 are provided on the mixing tube 207. The negative pressure dust removal port 216 can remove dust in the mixing and conveying process, completely avoiding occupational diseases, and the setting of the water injection port 219 facilitates water injection from multiple places to prevent material drying, which is more practical.

[0099] like Figures 1 to 4 As shown, as another preferred embodiment of the present invention, a hydraulic oil heat exchanger 16 is installed in the frame 8, and the hydraulic oil heat exchanger 16 is connected to the oil tank assembly 3 through a steel wire wrapped high-pressure hydraulic support hose 26; the main valve seat assembly 7 is connected to the hopper stirring valve group 5 through a steel wire braided hydraulic support hose 27; a water tank 9, a hydraulic lubrication pump 21, a swing cylinder 22 and an accumulator 23 are installed in the frame 8, and the water tank 9 is connected to the three-phase asynchronous motor 14 through a hydraulic oil water-cooled heat exchanger 25; an operating handle indicator sign 6, a hydraulic gauge 10, a mine explosion-proof emergency stop button 13, a nameplate 17 and a coal safety mark 24 are installed on the frame 8, and the mine explosion-proof emergency stop button 13 is connected to the explosion-proof vacuum soft starter 20 through a second power cable 19.

[0100] In one case of this embodiment, a hydraulic oil heat exchanger 16 is provided for heat exchange to avoid excessive temperature during long-term operation, thereby preventing the work efficiency from being affected or equipment from being damaged; the mine explosion-proof emergency stop button 13 can effectively feedback and process abnormal situations, which is safer and more practical.

[0101] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0102] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mine dry mix terminal filling system, characterized in that: include: A stirring and conveying component, used for stirring and conveying materials; A hopper assembly, used for storing the material stirred by the stirring and conveying assembly and discharging the material; An electrical control mechanism, used to control the stirring and conveying assembly and the hopper assembly; The stirring and conveying assembly comprises: Mixing tube, used for mixing and conveying materials; A stop bearing member, mounted at one end of the mixing tube via a first connecting member; An input pipe is installed at an end of the mixing pipe away from the stop bearing member through a second connecting member; A hopper, connected to the input pipe via a third connecting piece, for supplying materials to the input pipe; A driver, fixedly mounted on an end of the input pipe away from the mixing pipe; A metering and stirring shaft is rotatably mounted in the input pipe, one end of the metering and stirring shaft passes through the input pipe and is connected to a cycloid hydraulic motor; The hopper is provided with an observation piece for observation, and the observation piece comprises: An observation hole glass plate, with an observation hole asbestos plate installed on one side and an observation hole pressure plate installed on the other side; A fixing bolt, one end of which passes through the observation hole pressure plate, the observation hole glass plate and the observation hole asbestos plate and is threadedly connected to the hopper; The driver is connected to the input pipe via a driving hinge and a first hexagonal full-thread bolt, and one end of the driver away from the input pipe is connected to the cycloid hydraulic motor via a second hexagonal full-thread bolt; A sealing ring is installed between the input pipe and the mixing pipe, a mixing pipe hinge is installed on the input pipe, and a hinge shaft matching the mixing pipe hinge is installed on the mixing pipe; The hopper is provided with a hopper extension section, a hopper cover is provided on the hopper extension section, an air return port is provided on the hopper cover, and a feed port is provided on the side of the hopper extension section; a negative pressure dust removal port is provided at one end of the mixing tube close to the stop bearing, and a plurality of water injection ports are provided on the mixing tube.

2. The mine dry mix terminal filling system according to claim 1, characterized in that: The first connecting member and the second connecting member both include: First fixing plates arranged in pairs; a second fixing plate; A hexagonal head bolt, one end of which passes through the first fixing plates arranged in pairs; A flat washer, sleeved outside the hexagonal bolt; A hexagonal nut, sleeved on one end of the hexagonal bolt penetrating the first fixing plate and threadedly connected thereto; A swing bolt, one end of which is rotatably connected to the hexagonal bolt and the other end of which extends into the second fixing plate; The fastening nut is sleeved on the outside of one end of the movable bolt extending into the second fixing plate and is threadedly connected with the movable bolt.

3. The mine dry mix terminal filling system according to claim 1 or 2, characterized in that: The electrical control mechanism comprises: A frame for supporting the hopper assembly and the mixing and conveying assembly; A fuel tank assembly mounted at one end of the frame; A hopper stirring valve assembly is installed on the oil tank assembly and connected to the hopper assembly; a concrete delivery cylinder, mounted in the frame and connected to the hopper assembly; An oil pump motor assembly is installed in the frame, and the oil pump motor assembly is connected to the concrete delivery cylinder through a main valve seat assembly; A main oil cylinder, mounted in the frame and connected to the concrete delivery cylinder and the main valve seat assembly; A three-phase asynchronous motor mounted in the frame and connected to the oil pump motor assembly; A flameproof vacuum soft starter is installed on one side of the frame. The flameproof vacuum soft starter is connected to the three-phase asynchronous motor through a first power cable.

4. The mine dry mix terminal filling system according to claim 3, characterized in that: A hydraulic oil heat exchanger is installed in the frame, and the hydraulic oil heat exchanger steel wire wrapped high-pressure hydraulic support hose is connected to the oil tank assembly; the main valve seat assembly is connected to the hopper stirring valve group through a steel wire braided hydraulic support hose; a water tank, a hydraulic lubrication pump, a swing cylinder and an accumulator are installed in the frame, and the water tank is connected to the three-phase asynchronous motor through a hydraulic oil water-cooled heat exchanger.

5. The mine dry mix terminal filling system according to claim 3, characterized in that: The frame is equipped with an operating handle indicator plate, a hydraulic gauge, a mine flameproof emergency stop button, a nameplate and a coal safety mark. The mine flameproof emergency stop button is connected to the flameproof vacuum soft starter through a second power cable.

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