CN219822965U - Fully-mechanized coal mining face end coal mining and cleaning equipment - Google Patents
Fully-mechanized coal mining face end coal mining and cleaning equipment Download PDFInfo
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- CN219822965U CN219822965U CN202320649388.2U CN202320649388U CN219822965U CN 219822965 U CN219822965 U CN 219822965U CN 202320649388 U CN202320649388 U CN 202320649388U CN 219822965 U CN219822965 U CN 219822965U
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- scraper conveyor
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- 239000003245 coal Substances 0.000 title claims abstract description 116
- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 238000005065 mining Methods 0.000 title claims abstract description 49
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 25
- 239000003921 oil Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 8
- 230000009975 flexible effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- -1 at present Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a fully-mechanized coal mining face end coal mining device which mainly comprises a coal cleaning device, a machine body and a crawler-type traveling chassis, wherein an electric control cabinet, a hydraulic oil tank and a motor pump set are arranged on a bearing platform front and back along the length direction of the machine body; the coal cleaning device comprises a bucket and a coal cleaning scraper conveyor, the coal cleaning scraper conveyor is arranged in a vertical inclined mode, the lower end of the coal cleaning scraper conveyor is located inside the bucket, the upper end of the coal cleaning scraper conveyor extends to the upper portion of the working face scraper conveyor, the rear end of the bucket is rotationally connected with a bearing platform, a bucket lifting cylinder is arranged between the bucket and the bearing platform, the control module comprises a PLC controller, a control panel and an electric proportional control valve, an electric control cabinet is powered by an external cable, and the electric control cabinet provides hydraulic power for a traveling motor, a conveying motor and the bucket lifting cylinder through a motor pump group. The coal-cleaning machine has the advantages of narrow machine body, flexible action, good trafficability, and integration of coal-shoveling, coal-transporting and coal-unloading in the coal-cleaning process, so that the mechanized high-efficiency coal-shoveling is realized, and the manual labor intensity and the operation risk are reduced.
Description
Technical Field
The utility model relates to the technical field of fully-mechanized coal mining auxiliary equipment, in particular to equipment for cleaning coal on a fully-mechanized coal mining working face.
Background
At present, most of domestic fully-mechanized mining working surfaces are long-wall backward type stoping working surfaces, when a coal cutter in the last mining stage cuts and advances to a retracing roadway, a large amount of coal collapses, a long and narrow coal accumulation space is formed between a working surface scraper conveyor and a pile type support, and support pulling, cantilever beam, lapping and equipment retracing can be performed after coal briquette cleaning is completed. However, under the influence of the tunnel pile type support, the coal mining machine cannot finish the transfer of the caving coal, at present, coal blocks are generally transferred onto a working face scraper conveyor manually, a large number of people need to be pulled and adjusted from other teams to clean by using shovels and pickaxes, the workload and the labor intensity are high, hundreds of people need to clean for 6-8 hours at the same time sometimes, during the period, a plurality of workers work in a close range in a complex tunnel working environment, people and tools frequently cross-work, operators are easy to hurt, potential safety hazards are large, and the working efficiency is low.
Disclosure of Invention
The utility model aims to provide a fully-mechanized coal mining face end coal mining and cleaning device which can solve the technical problems of high labor intensity, low cleaning efficiency and high potential safety hazard of end coal mining manual coal cleaning in the prior art.
The utility model provides the following technical scheme: the utility model provides a combine and adopt face and do not adopt clear coal equipment, mainly comprises clear coal device, fuselage and crawler-type walking chassis, and the fuselage sets up in crawler-type walking chassis upside, and the fuselage includes loading platform, automatically controlled cabinet, hydraulic tank, motor pump package and control module, and automatically controlled cabinet, hydraulic tank, motor pump package are arranged on loading platform along fuselage length direction front and back; the coal cleaning device is positioned at the front side of the machine body and comprises a bucket and a coal cleaning scraper conveyor arranged in the bucket, the coal cleaning scraper conveyor is arranged in the bucket in an up-down inclined way, the lower end of the coal cleaning scraper conveyor is positioned in the bucket, the upper end of the coal cleaning scraper conveyor extends to the upper part of the working face scraper conveyor and is used for conveying coal blocks in the bucket to the working face scraper conveyor, the rear end of the bucket is rotationally connected with a bearing platform, a bucket lifting cylinder is arranged between the bucket and the bearing platform, two ends of the bucket lifting cylinder are respectively hinged with the bucket and the bearing platform, and the control module comprises a PLC (programmable logic controller), a control panel and an electric proportional control valve, wherein the PLC is respectively connected with the control panel, the electric proportional control valve and a motor pump group;
the crawler-type walking chassis is driven by a walking motor, the coal cleaning scraper conveyor is driven by a conveying motor, the electric control cabinet is powered by an external cable and connected with a motor pump set, the hydraulic oil tank is used for supplying hydraulic oil to the motor pump set, the motor pump set provides hydraulic power for the walking motor, the conveying motor and the bucket lifting oil cylinder through a high-pressure oil pipe, the electric proportional control valve is arranged on the high-pressure oil pipe, and the PLC controller controls the electric proportional control valve to adjust the flow proportion and the flow direction of each high-pressure oil pipe.
The beneficial effects are that: the fully-mechanized coal mining face end coal mining and cleaning equipment has the following advantages:
1) The built-in modules (hydraulic oil tank, motor pump group and electric control cabinet) on the machine body are arranged on the bearing platform in a front-back arrangement, so that the machine body has the effect of narrow body, and the width of the machine body can be controlled at
700-950mm, the walking and steering are flexible and convenient in a narrow coal-accumulating space, and the trafficability is better;
2) The hydraulic oil tank is used for supplying hydraulic oil to the motor pump set, the PLC controller controls the motor pump set to provide hydraulic power for the traveling motor, the conveying motor and the bucket lifting oil cylinder, the PLC controller controls the electric proportional control valve to adjust the flow proportion and the flow direction of each high-pressure oil pipe, the hydraulic power system is independently equipped without the help of the hydraulic power of the coal mining machine or the working face scraper conveyor, and each executive element (the conveying motor, the traveling motor and the bucket lifting oil cylinder) can be driven to act only by connecting the cable, so that the problem of inconvenience in passing caused by dragging of a machine body by a plurality of hydraulic pipelines is avoided, and sufficient hydraulic power can be provided for the action of each executive element;
3) When the coal cleaning operation is performed, the bucket scoops up the coal blocks and concentrates the coal blocks in the bucket, the coal cleaning scraper conveyor conveys the coal blocks to the working face scraper conveyor for unloading, the coal loading operation and the transfer operation are integrated, the coal cleaning operation is very efficient along with the transportation and the unloading; the bucket lifting oil cylinder is controlled to enable the bucket to swing up and down, so that the bucket lifting oil cylinder is flexibly suitable for the uneven bottom plate and adjusts the coal shoveling depth; the utility model replaces manual operation, can efficiently, rapidly and thoroughly replace manual operation to carry out the work of removing the coal after the last mining, reduces the labor intensity of the manual operation and ensures the personal safety of personnel.
Further, the fully-mechanized coal mining face non-mechanized coal mining equipment further comprises a remote controller which is in wireless connection with the PLC.
The beneficial effects are that: the operation personnel can locally control the actions of each executive component through the control panel and the electric proportional control valve, and can realize the remote control function by using the remote controller, so that the function is comprehensive, and the personnel safety is guaranteed.
Further, the motor pump set adopts a load sensitive plunger pump.
The beneficial effects are that: the load sensitive plunger pump can adjust the pump displacement according to the load requirement, thereby achieving the purpose of energy saving.
Further, a towing rope frame is arranged on the bearing platform and comprises a supporting rod and a towing rope arm, the lower end of the supporting rod is rotatably assembled on the bearing platform and provided with a locking structure for keeping the supporting rod at a certain rotation angle, the towing rope arm transversely extends outwards along the upper end of the supporting rod, and the extending end of the towing rope arm is provided with a cable hanging ring.
The beneficial effects are that: the towing rope frame can flexibly rotate according to the use environment and the requirements and can be kept at a certain rotation angle through the locking structure.
Further, a gas sensor connected with the PLC is arranged on the shell.
The beneficial effects are that: the PLC detects surrounding gas content in real time through the gas sensor, and achieves the gas exceeding early warning function.
Further, the fully-mechanized mining face non-mechanized mining coal cleaning equipment further comprises a walking motor pressure sensor and a conveying motor pressure sensor, wherein the walking motor pressure sensor is arranged on a walking motor pressure detection port, the conveying motor pressure sensor is arranged on a conveyor motor pressure detection port, and the walking motor pressure sensor and the conveying motor pressure sensor are connected with the PLC.
The beneficial effects are that: when the pressure sensor detects that the pressure of the walking motor or the conveying motor rises to a certain set upper limit value, the resistance is usually considered to be overlarge, the crawler-type walking chassis is not moved or the operation load of the scraper conveyor is overlarge, the PLC controller changes the displacement and reduces the pressure by controlling the motor pump group, or controls the electric proportional control valve to change the liquid supply direction of the motor, so that the coal cleaning scraper conveyor or the crawler-type walking chassis is protected from being damaged, and particularly, the coal cleaning scraper conveyor or the crawler-type walking chassis can be slowed down or even retreated.
Further, the machine body further comprises a housing covered outside the electric control cabinet, the hydraulic oil tank, the motor pump set and the control module.
The beneficial effects are that: the housing plays a role in protecting the internal module of the machine body and preventing the built-in module from being broken by coal.
Further, the machine body further comprises an air-cooled radiator positioned on the bearing platform and used for radiating the hydraulic oil of the hydraulic oil tank.
The beneficial effects are that: the air-cooled radiator ensures that hydraulic oil can dissipate heat well, and improves equipment reliability.
Drawings
FIG. 1 is a schematic perspective view showing the external structure of a specific embodiment 1 of a fully mechanized coal mining face coal mining equipment;
FIG. 2 is a schematic diagram of the internal layout of an embodiment 1 of the fully mechanized coal mining face mining-off coal cleaning apparatus of the present utility model;
FIG. 3 is a schematic view of the internal layout of embodiment 1 of the fully mechanized coal mining face mining-off coal cleaning apparatus of the present utility model at another view;
FIG. 4 is a control block diagram of an electrical signal feedback pressure overload protection function of embodiment 1 of a fully mechanized coal mining face end coal mining equipment of the present utility model;
reference numerals: 1-a crawler-type walking chassis; 2-a housing; 3-bucket; 4-a coal cleaning scraper conveyor; 5-towing frame; 51-supporting rods; 52-streamer arms; 53-a cable hanging ring; 6-an electric proportional control valve; 7-a control panel; 8-an electric control cabinet; 9-a motor pump group; 10-a hydraulic oil tank; 11-an air-cooled radiator; 12-bucket lifting cylinder; 13-carrying platform.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The embodiment 1 of the utility model relates to a fully-mechanized coal mining face non-mechanized coal mining and cleaning device, which comprises the following components:
the structure of the fully-mechanized coal mining face non-mechanized coal mining equipment is shown as fig. 1-3, and mainly comprises a crawler-type walking chassis 1, a machine body and a coal cleaning device, wherein the machine body is positioned on the crawler-type walking chassis 1, the equipment is capable of advancing and reversing through the crawler-type walking chassis 1, and the crawler-type walking chassis 1 comprises a walking motor and a walking speed reducer and is driven to move by the walking motor. The machine body comprises a bearing platform 13, and each built-in module and a housing 2 which are arranged on the bearing platform 13 and cover the outer side of the built-in module, wherein the housing 2 plays a role in protection and prevents the built-in module from being crushed by coal. The built-in module comprises an electric control cabinet 8, a motor pump set 9, a hydraulic oil tank 10, an air-cooled radiator 11 and a control module 14, wherein the electric control cabinet 8, the motor pump set 9 and the hydraulic oil tank 10 are arranged and distributed front and back in the length direction of the machine body so as to narrow the transverse width of the machine body as much as possible.
The coal cleaning device is located the front side of fuselage, is used for the operation of clear coal during the action, and the coal cleaning device includes scraper bowl 3, sets up clear coal scraper blade conveyer 4 in scraper bowl 3, clear coal scraper blade conveyer 4 slope setting in the direction of height, and the lower extreme is located scraper bowl 3, and the upper end then stretches to the upper end of working face scraper blade conveyer, and clear coal scraper blade conveyer 4 is by the conveying motor drive, carries the coal piece in the scraper bowl 3 to working face scraper blade conveyer uninstallation to reach the clear coal purpose. In order to adapt to the uneven bottom plate and enable the coal shoveling depth to be adjustable, the rear end of the bucket 3 is rotatably assembled on the bearing platform 13, a bucket lifting cylinder 12 is arranged between the bucket 3 and the bearing platform 13, two ends of the bucket lifting cylinder 12 are respectively hinged with the bucket 3 and the bearing platform 13, and the bucket 3 is controlled to lift/fall through the bucket lifting cylinder 12.
The electric control cabinet 8 is connected with an external cable and is powered by the external cable, the electric control cabinet 8 is connected with the motor pump set 9 to supply power to the motor pump set 9, the motor pump set 9 provides hydraulic power for the conveying motor, the traveling motor and the bucket lifting oil cylinder 12 through the high-pressure oil pipe, the hydraulic oil tank 10 is used for storing hydraulic oil and providing hydraulic oil for the motor pump set 9, and the air cooling radiator 11 is used for guaranteeing timely heat dissipation of the hydraulic oil. The control module 14 comprises a PLC controller, a control panel 7 and an electric proportional control valve 6, wherein the PLC controller is respectively connected with the control panel 7, the electric proportional control valve 6 and a motor pump set 9, and the PLC controller is in wireless connection with a remote controller. The electric proportional control valve 6 is arranged on the high-pressure oil pipe, and the PLC controller adjusts the pump displacement by controlling the motor pump group 9 and adjusts the flow proportion and the flow direction of each high-pressure oil pipe by controlling the electric proportional control valve 6. In addition, an operator can manually operate the equipment in the field through the electric proportional control valve 6 or the control panel 7, and can remotely control the equipment through a remote controller; in the embodiment, the motor pump set 9 adopts a load sensitive plunger pump, and the pump displacement can be adjusted according to the load so as to achieve the purpose of energy conservation.
The cable supporting frame 5 for fixing cables is arranged on the bearing platform 13, the cable supporting frame 5 mainly comprises a supporting rod 51, a cable supporting arm 52 and a cable hanging ring 53, the lower end of the supporting rod 51 is matched with a bearing platform 13 in a shaft sleeve mode so that the supporting rod 51 can rotate relative to the bearing platform 13, the supporting rod 51 can be kept at a certain rotation angle by using a fixing pin, the fixing pin forms a locking structure, the cable supporting arm 52 transversely extends outwards along the upper end of the supporting rod 51 and is provided with the cable electric ring 53 at the extending end, and the cable hanging ring 53 is used for fixing cables.
The utility model also has the functions of gas detection and electric signal feedback pressure overload protection, a gas sensor is arranged on the housing 2, the PLC is connected with the gas sensor, and the PLC gives an alarm in time when the gas content exceeds a set upper limit. The walking motor pressure sensor is arranged on the walking motor pressure detection port, the conveying motor pressure sensor is arranged on the conveying motor pressure detection port, and as shown in fig. 4, the walking motor pressure sensor and the conveying motor pressure sensor are respectively connected with the PLC, monitor the walking motor pressure and the conveying motor pressure respectively and transmit information to the PLC. When the pressure sensor of the walking motor detects that the pressure value of the walking motor reaches the set upper limit value, the walking resistance is generally considered to be too large, the crawler-type walking chassis is not moving, and the PLC controller controls the motor pump group to change the displacement, reduce the pressure or control the electric proportional control valve to change the liquid supply direction of the walking motor, so that the walking motor is slowed down or even reversed to retreat, and the crawler-type walking chassis is prevented from being damaged. When the pressure value of the conveying motor is monitored by the pressure sensor of the conveying motor to reach a set value, the fact that larger coal blocks are pressed on the coal cleaning scraper conveyor is judged, in order to avoid the condition that large coal blocks cause damage of a bucket or the coal cleaning scraper conveyor is pressed down, a PLC controller controls a motor pump set to change the discharge capacity, reduces the pressure or controls an electric proportional control valve to change the liquid supply direction of the conveying motor, so that the coal cleaning scraper conveyor is enabled to reduce the running speed and even run reversely, and the aim of protecting equipment is achieved.
By integrating the structural records, the fully-mechanized coal mining face end coal mining and cleaning equipment provided by the utility model has the following advantages:
(1) The hydraulic oil tank, the motor pump group and the electric control cabinet on the machine body are arranged front and back, the width of the machine body is narrowed, the machine body can be controlled to be 700-950mm, the machine body can conveniently clean coal in a long and narrow space, and the machine body is convenient to turn or pass through a complex environment.
(2) The hydraulic power system is independently configured, hydraulic power of the coal mining machine or the working face scraper conveyor is not needed, energy can be supplied to the equipment only through the cable, the problem that the movement of connecting a plurality of hydraulic pipelines is inconvenient is avoided, sufficient hydraulic power can be supplied to the action of each executing element of the equipment, and the power of the equipment is strong.
(3) The scraper conveyor for cleaning coal after the bucket scoops coal continuously conveys coal blocks to the scraper conveyor for unloading, and the functions of coal loading, coal conveying and coal unloading are integrated; the bucket lifting oil cylinder can control the bucket to swing up/down, so that the bucket lifting oil cylinder is flexibly suitable for the uneven bottom plate condition and can adjust the coal shoveling depth, the coal cleaning is thorough and efficient, the manual labor intensity is greatly reduced, and the production safety is improved.
(4) The remote control system has the field/remote control operation function and can meet various operation requirements.
(5) The towing rope frame can flexibly rotate according to the use environment and the requirements, and is practical and flexible.
(6) The coal cleaning device has the functions of gas detection and alarm and pressure overload protection, and operators can monitor the roadway environment and the equipment operation condition in real time in the coal cleaning process, and measures are taken to protect the equipment when necessary.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. The equipment is characterized by mainly comprising a coal cleaning device, a machine body and a crawler-type traveling chassis, wherein the machine body is arranged on the upper side of the crawler-type traveling chassis and comprises a bearing platform, an electric control cabinet, a hydraulic oil tank, a motor pump set and a control module, and the electric control cabinet, the hydraulic oil tank and the motor pump set are arranged on the bearing platform front and back along the length direction of the machine body; the coal cleaning device is positioned at the front side of the machine body and comprises a bucket and a coal cleaning scraper conveyor arranged in the bucket, the coal cleaning scraper conveyor is arranged in the bucket in an up-down inclined way, the lower end of the coal cleaning scraper conveyor is positioned in the bucket, the upper end of the coal cleaning scraper conveyor extends to the upper part of the working face scraper conveyor and is used for conveying coal blocks in the bucket to the working face scraper conveyor, the rear end of the bucket is rotationally connected with a bearing platform, a bucket lifting cylinder is arranged between the bucket and the bearing platform, two ends of the bucket lifting cylinder are respectively hinged with the bucket and the bearing platform, and the control module comprises a PLC (programmable logic controller), a control panel and an electric proportional control valve, wherein the PLC is respectively connected with the control panel, the electric proportional control valve and a motor pump group;
the crawler-type walking chassis is driven by a walking motor, the coal cleaning scraper conveyor is driven by a conveying motor, the electric control cabinet is powered by an external cable and connected with a motor pump set, the hydraulic oil tank is used for supplying hydraulic oil to the motor pump set, the motor pump set provides hydraulic power for the walking motor, the conveying motor and the bucket lifting oil cylinder through a high-pressure oil pipe, the electric proportional control valve is arranged on the high-pressure oil pipe, and the PLC controller controls the electric proportional control valve to adjust the flow proportion and the flow direction of each high-pressure oil pipe.
2. The fully-mechanized coal mining face non-mechanized coal mining equipment of claim 1, further comprising a remote controller in wireless connection with the PLC controller.
3. The fully-mechanized coal mining face end coal mining equipment of claim 1, wherein the motor pump unit is a load-sensitive plunger pump.
4. A fully-mechanized mining face end coal mining cleaning device as claimed in claim 1, 2 or 3, wherein the carrying platform is provided with a towing frame, the towing frame comprises a supporting rod and a towing arm, the lower end of the supporting rod is rotatably assembled on the carrying platform and provided with a locking structure for maintaining the supporting rod at a certain rotation angle, the towing arm is transversely outwards suspended along the upper end of the supporting rod, and the suspended end of the towing arm is provided with a cable hanging ring.
5. A fully mechanized coal mining face end coal mining equipment as claimed in claim 1, 2 or 3, wherein a gas sensor connected with the PLC controller is arranged on the housing.
6. A fully mechanized mining face end coal mining and cleaning apparatus as claimed in claim 1, 2 or 3, further comprising a travel motor pressure sensor and a conveyor motor pressure sensor, the travel motor pressure sensor being mounted on the travel motor pressure detection port, the conveyor motor pressure sensor being mounted on the conveyor motor pressure detection port, the travel motor pressure sensor and the conveyor motor pressure sensor being connected to the PLC controller.
7. The fully-mechanized coal mining face end coal mining and cleaning device of claim 6, wherein the machine body further comprises a housing covering the outer sides of the electric control cabinet, the hydraulic oil tank, the motor pump group and the control module.
8. The fully-mechanized coal mining face non-mechanized coal mining equipment of claim 6, wherein the main body further comprises an air-cooled radiator positioned on the bearing platform for radiating heat of hydraulic oil in the hydraulic oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649388.2U CN219822965U (en) | 2023-03-29 | 2023-03-29 | Fully-mechanized coal mining face end coal mining and cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649388.2U CN219822965U (en) | 2023-03-29 | 2023-03-29 | Fully-mechanized coal mining face end coal mining and cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219822965U true CN219822965U (en) | 2023-10-13 |
Family
ID=88277836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320649388.2U Active CN219822965U (en) | 2023-03-29 | 2023-03-29 | Fully-mechanized coal mining face end coal mining and cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219822965U (en) |
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2023
- 2023-03-29 CN CN202320649388.2U patent/CN219822965U/en active Active
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