CN218090422U - Milling machine under ore deposit - Google Patents
Milling machine under ore deposit Download PDFInfo
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- CN218090422U CN218090422U CN202222269603.4U CN202222269603U CN218090422U CN 218090422 U CN218090422 U CN 218090422U CN 202222269603 U CN202222269603 U CN 202222269603U CN 218090422 U CN218090422 U CN 218090422U
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Abstract
The utility model relates to an underground milling machine, which comprises a frame system, wherein the frame system is provided with a traveling system, a milling system, a belt conveyor system, an explosion-proof diesel engine, a hydraulic system and an explosion-proof control system; the walking system is a crawler-type walking system and comprises a front pair of crawler wheels and a rear pair of crawler wheels; the milling system is positioned between the front and rear pairs of track wheels and comprises a milling barrel body, the milling barrel body is connected with the explosion-proof diesel engine and drives the milling barrel body to rotate along the central axis of the milling barrel body, the milling barrel body is connected with the depth control rack, and a plurality of milling cutters distributed along a spiral line are arranged on the outer wall of the milling barrel body; the belt conveyor system is arranged in front of the frame system and comprises a primary belt mechanism and a secondary belt mechanism, and milling crushed aggregates can be thrown out. The utility model discloses utilize the mode that the roll was milled local or whole breakage of road surface in the tunnel, the crushed aggregates that will mill down is handled the back, can directly be used for tunnel road surface layer to pave again, and it has advantages such as work efficiency height, intelligent degree height, security are strong.
Description
Technical Field
The utility model relates to a milling machine technical field, concretely relates to milling machine under ore deposit.
Background
Coal is one of important energy sources in China, along with the development of economy, the demand of coal is larger and larger, and the mining task of a coal mine is heavier and heavier.
In the mining operation of underground coal mines, along with the continuous extension of the operation battle line of a heading machine, uneven bumps and pits can be formed on the road surface of a coal mine tunnel. The main reasons for the unevenness of roadway surfaces include the following: firstly, the unevenness of the roadway coal seam road surface generated by the tunneling process is caused; secondly, the tunnel ground is raised due to the earth pressure; thirdly, ruts are generated due to rolling of the wheels of the transport vehicle; and fourthly, the damaged old cement concrete pavement in the roadway.
Therefore, the ground of the coal mine tunnel needs to be leveled, under the narrow tunneling working face environment, the existing ground leveling machine cannot finish leveling operation on the ground of the underground tunneling working face, meanwhile, the underground environment is complex, gas explosion needs to be prevented constantly, and the ground device obviously cannot meet the explosion-proof requirement, so that the problem of how to solve the tunnel pavement leveling is currently to be solved urgently.
Disclosure of Invention
The utility model provides a milling machine under ore deposit solves milling and planing of narrow tunnel road surface and repaiies the flat problem.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an underground milling machine comprises a frame system, wherein a travelling system, a milling system, a belt conveyor system, an explosion-proof diesel engine, a hydraulic system and an explosion-proof control system are arranged on the frame system; the running system is a crawler-type running system and comprises a front pair of crawler wheels and a rear pair of crawler wheels, and the front pair of crawler wheels and the rear pair of crawler wheels are arranged below the frame system and are connected with the hydraulic system; the milling system is arranged below the frame system and is positioned between the front and rear pairs of track wheels, the milling system comprises a milling barrel, two ends of the milling barrel are connected with a power output part of the explosion-proof diesel engine through mounting flanges to drive the milling barrel to rotate along a central shaft of the milling barrel, the milling barrel is connected with a cutting depth control rack, the cutting depth control rack is connected with a hydraulic system, a plurality of milling cutters are arranged on the outer wall of the milling barrel, and the plurality of milling cutters are distributed on the milling barrel along a spiral line; the belt conveyor system is arranged in the front of the frame system and comprises a primary belt mechanism and a secondary belt mechanism, one end of the primary belt mechanism is located below the milling cylinder, the other end of the primary belt mechanism is located above the secondary belt, and belt rotating shafts of the primary belt mechanism and the secondary belt mechanism are connected with a hydraulic system.
Furthermore, the front and rear two pairs of crawler wheels are respectively arranged on the lower parts of the left front upright post, the right front upright post, the left rear upright post and the right rear upright post, a hydraulic pipeline, a hydraulic valve, a hydraulic motor and a steering motor are arranged in each upright post, and each upright post is fixed on the frame system.
Further, mill the even latticed cutter support of being covered with on the mill the barrel outer wall, mill the setting of plane cutter on the cutter support, a plurality of mills the cutter and constitute single row continuous helix structure, the crisscross helix structure of multirow or the parallel helix structure of multirow, set up multiunit aggregate board on milling the barrel, multiunit aggregate board arranges along the helix, and the aggregate board is perpendicular to mills the barrel.
Furthermore, the primary belt mechanism is arranged below the front part of the frame system through a fixing bracket and is supported in the rotating tangential direction of the milling barrel; the secondary belt mechanism is arranged at the front end of the frame system through a swinging hydraulic support, the swinging hydraulic support is connected with the hydraulic system, and the swinging hydraulic support can pull the secondary belt mechanism to deflect integrally relative to the longitudinal central axis of the milling machine.
Furthermore, the explosion-proof control system comprises a main control cabinet and an operation console, wherein the operation console comprises a control end and a display screen, and the main control cabinet is a mining explosion-proof intrinsic safety control cabinet and is connected with each control target through a mining cable.
Furthermore, the underground milling machine further comprises a dust removal system, wherein the dust removal system comprises a dust removal water tank, a water pipe and a fan-shaped water nozzle, and the fan-shaped water nozzle is over against the milling barrel.
Furthermore, the underground milling machine also comprises an automatic leveling system, wherein the automatic leveling system comprises a front laser distance measuring sensor, a rear laser distance measuring sensor, an inclination angle sensor and a leveling controller, the front laser distance measuring sensor and the rear laser distance measuring sensor are respectively positioned on the front side and the rear side of the milling barrel body and are fixedly arranged on the lower end surface of the frame system, the detection surface of the front laser distance measuring sensor and the rear laser distance measuring sensor is vertically downward, and the inclination angle sensor is arranged on the frame system; the front laser ranging sensor, the rear laser ranging sensor and the inclination angle sensor are all connected with a leveling controller, and the leveling controller is connected with an explosion-proof control system.
Furthermore, the underground milling machine also comprises an automatic leveling system, wherein the automatic leveling system comprises a front ultrasonic distance measuring sensor, a rear ultrasonic distance measuring sensor, an inclination angle sensor and a leveling controller, the front ultrasonic distance measuring sensor and the rear ultrasonic distance measuring sensor are respectively positioned on the front side and the rear side of the milling barrel body and are fixedly arranged on the lower end surface of the frame system, the detection surface of the front ultrasonic distance measuring sensor and the rear ultrasonic distance measuring sensor is vertically downward, and the inclination angle sensor is arranged on the frame system; the front ultrasonic ranging sensor, the rear ultrasonic ranging sensor and the inclination angle sensor are all connected with a leveling controller, and the leveling controller is connected with an explosion-proof control system.
Furthermore, the underground milling machine also comprises a remote control system, the remote control system comprises a mining intrinsic safety remote control receiver and a remote control operator in wireless connection with the intrinsic safety remote control receiver, and the mining intrinsic safety remote control receiver is connected with the explosion-proof control system.
Furthermore, the underground milling machine further comprises a monitoring and early warning system, wherein the monitoring and early warning system comprises a personnel approach alarm, a reversing radar alarm, an explosion-proof diesel engine heat dissipation temperature sensor, a cutting depth feedback sensor, a milling working surface temperature sensor and a dust removal water tank liquid level sensor.
Furthermore, the crawler wheels can be linear crawler wheels or triangular crawler wheels.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses underground milling machine mainly comprises frame system, second grade belt conveying system, crawler-type traveling system, hydraulic system, explosion-proof driving system, explosion-proof electrical system and milling system etc. is applied to the maintenance construction of colliery underworkings road surface, mainly is used for renovating tunnel damaged road surface, the clearance of tunnel haulage vehicle rut, the restoration of coal seam road surface unevenness etc.; the working principle is that the road surface in the roadway is partially or completely crushed by using a rolling milling mode, and the crushed materials obtained by milling can be directly used for re-paving the road surface layer of the roadway after being treated, so that the method has the advantages of high working efficiency, simple construction process, easiness in control of milling depth, flexibility and convenience in operation, good maneuvering performance, high intelligent degree, strong safety and the like.
Naturally, it is not necessary for all of the advantages described above to be achieved at the same time for the implementation of the embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and for those skilled in the art, drawings of other embodiments can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a milling barrel according to embodiment 1 of the present invention;
fig. 3 is a schematic view of the working principle of the automatic leveling system according to embodiment 1 of the present invention;
in the figure, 1-a frame system, 2-a track wheel, 3-a left front upright, 4-a right front upright, 5-a left rear upright, 6-a right rear upright, 7-a milling system, 8-a milling barrel, 9-a cutter support, 10-a milling cutter, 11-a material collecting plate, 12-a primary belt mechanism, 13-a secondary belt mechanism, 14-a swinging hydraulic support, 15-a spraying device, 16-an explosion-proof diesel engine, 17-a hydraulic system, 18-an explosion-proof control system, 19-a front laser ranging sensor, 20-a rear laser ranging sensor and 21-an inclination angle sensor.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.
In the coal mine coal transportation roadway, the roadway road surface is seriously deformed due to the long-time load operation of a transportation vehicle, and the problem that how to solve the roadway road surface leveling is to be solved urgently at present. The milling machine is widely applied to roads as a road surface milling device for expressways and other urban roads. The coal mine tunnel can also be milled by a milling machine.
Example 1:
referring to fig. 1, the underground milling machine comprises a frame system 1, wherein the frame system 1 is a connection link of all system components of the whole machine, the main body of the frame system 1 is made of steel, the overall self weight distribution of the frame system 1 is balanced front and back, and the overall rigidity, strength and stability of the milling machine are ensured.
A traveling system, a milling system 7, a belt conveyor system, an explosion-proof diesel engine 16, a hydraulic system 17 and an explosion-proof control system 18 are arranged on the frame system 1;
the walking system is a crawler-type walking system and comprises two pairs of crawler wheels 2 in front and back, the four crawler wheels 2 are respectively arranged at the lower parts of a left front upright 3, a right front upright 4, a left rear upright 5 and a right rear upright 6, a hydraulic pipeline, a hydraulic valve, a hydraulic motor and a steering motor are arranged in each upright, and each upright is fixed at the four corners of the frame system 1; in the embodiment, the crawler wheels of the traveling system are linear crawler wheels with the specification of 1500 × 260 × 560mm, each crawler wheel is connected with a steering motor to have a steering function, a double-displacement hydraulic motor is adopted as a hydraulic motor for driving the traveling, the motor is in a large displacement state during low-speed operation of the whole machine, and the motor is in a small displacement state during high-speed transition traveling, and can realize stepless speed change during forward and backward traveling. In other embodiments, the track wheels of the walking system can also be triangular track wheels, which have better trafficability and higher maneuverability and meet more severe walking conditions.
Referring to fig. 2, the milling system 7 is disposed below the frame system 1 and located between the front and rear pairs of track wheels 2, the milling system 7 includes a milling cylinder 8, the milling cylinder 8 is connected to the frame system 1 through a depth control rack, the depth control rack is configured to provide a maximum depth expansion amount of 200mm under the control of the explosion-proof control system 18, two ends of the milling cylinder 8 are connected to a power output unit of the explosion-proof diesel engine through mounting flanges, the power output unit of the explosion-proof diesel engine can drive the milling cylinder 8 to rotate at a high speed along a central axis thereof, tool supports 9 are uniformly arranged in a grid along an outer wall of the milling cylinder 8, the milling tools 10 are disposed on the tool supports 9, and the milling tools 9 are spirally arranged on the surface of the milling cylinder 8. In this embodiment, the milling cutter bar is made of 42CrMo, and the tip is made of tungsten carbide alloy, so that the milling cutter has high cutting strength.
The surface of the milling cylinder 8 is also provided with a plurality of groups of material collecting plates 11, the plurality of groups of material collecting plates 11 are arranged along a spiral line and are staggered with each other, the material collecting plates 11 are perpendicular to the milling cylinder 8, after the milling cylinder 8 rotates at a high speed and the milling cutter 11 cuts the ground, the material collecting plates 11 collect and take away the ground materials smashed by the milling cutter 11 from the ground, and finally the ground materials are sent to a belt conveyor system.
The belt conveyor system is arranged at the front part of the frame system 1 and comprises a primary belt mechanism 12 and a secondary belt mechanism 13, the primary belt mechanism 12 is arranged below the front part of the frame system 1 through a fixed support, the primary belt mechanism 12 is short and is connected to the tangential direction of the rotation of the milling barrel 8 and can directly receive ground crushed aggregates thrown out by the milling barrel 8, the secondary belt mechanism 13 is arranged at the front end of the frame system 1 through a swinging hydraulic support 14, the secondary belt mechanism 13 is long and is arranged below the primary belt mechanism 12 at the lower end and can receive the ground crushed aggregates conveyed by the primary belt mechanism 12, belt rotating shafts of the primary belt mechanism 12 and the secondary belt mechanism 13 are connected with and driven by a hydraulic system, and the conveying speeds of the primary belt mechanism 12 and the secondary belt mechanism 13 can be steplessly adjusted; the swing hydraulic support 14 connected with the secondary belt mechanism 13 is also connected with a hydraulic system, the swing hydraulic support 14 can pull the secondary belt mechanism 13 left and right to deflect integrally relative to the longitudinal central axis of the milling machine, and the maximum left and right swing angle is +/-40 degrees.
Because the secondary belt mechanism is longer as a whole, in another embodiment of the utility model, the secondary belt mechanism is designed into a foldable structure, and the folding realization is controlled by a folding hydraulic oil cylinder; meanwhile, the secondary belt mechanism is provided with a hydraulic deviation-preventing tensioning system and a deviation-preventing tensioning adjusting mechanism, and the action of the hydraulic deviation-preventing tensioning system is in sequential linkage with the folding hydraulic oil cylinder; the function can greatly reduce the labor intensity when the belt is adjusted and reduce the adjusting time; meanwhile, the excessive stretching effect on the belt when the belt is folded is also reduced, and the service life of the belt is prolonged; the self-adaptive adjustment function of the two side adjusting oil cylinders ensures the consistent tension degree of the two sides, so that the belt is not easy to deviate.
The underground milling machine further comprises a dust removal system, the dust removal system comprises a dust removal water tank, a water pipe and a fan-shaped water nozzle, the fan-shaped water nozzle is opposite to the milling barrel, the nozzle can cool milling cutters, and meanwhile dust diffusion during milling can be reduced. Further, all install atomizer 15 for one-level belt mechanism and second grade belt mechanism, atomizer 15 is connected with dust removal water tank for at the spraying dust fall of ground crushed aggregates transportation in-process, satisfy the environmental protection requirement. The dust removal water tank with large capacity is selected, so that the dust removal system can work continuously for a longer time.
The main power of the embodiment is derived from the explosion-proof diesel engine 16, and as the operation under mine is involved, all the designs of the explosion-proof diesel engine 16 strictly meet the explosion-proof requirement, wherein all the lines of the explosion-proof diesel engine 18 are connected through the explosion-proof box for mine, so that all the lines of the explosion-proof diesel engine 18 are ensured to be safe and reliable; in addition, the storage battery of the explosion-proof diesel engine 18 is composed of a lithium battery pack, the capacity of the storage battery is 24V/100Ah, the battery shell is wrapped by an explosion-proof object, the explosion-proof performance of the battery shell is guaranteed, and all electric equipment related to the explosion-proof diesel engine 18 is connected to other equipment through a wiring cavity. In one specific embodiment, the explosion-proof diesel engine is constructed by selecting Commins QSL8.9-C360, and is water-cooled, the power of the explosion-proof diesel engine is 260kW, and the rated rotating speed is 2200r/mi n.
The hydraulic system 17 of the embodiment mainly comprises a complete machine oil pump, a hydraulic control valve, an execution element, a hydraulic oil tank, a hydraulic pipeline and the like, and all the parts are selected to meet the safety requirements of the underground coal mine; the utility model discloses device hydraulic system 17 can summarize into four independent hydraulic unit systems, is walking hydraulic system (closed system), belt feeder hydraulic system (closed system), cooling fan hydraulic system (open system) respectively and controls hydraulic system (open system), and the function that hydraulic system realized is including the hydraulic drive that traveles, defeated material drive, hydro-cylinder control system etc..
Referring to fig. 3, in order to ensure that the underground milling machine stably operates according to the preset cutting depth, the leveling problem of the mining milling machine needs to be solved, the current milling cutting depth is detected in real time, and the cutting depth is adjusted in real time according to the change condition of the road. The automatic leveling system of the embodiment comprises a front laser ranging sensor 19, a rear laser ranging sensor 20, an inclination angle sensor 21 and a leveling controller, wherein the front laser ranging sensor 19 and the rear laser ranging sensor 20 are respectively positioned on the front side and the rear side of a milling barrel body and fixedly arranged on the lower end surface of a frame system 1, the detection surface of the frame system is vertically downward, and the inclination angle sensor 21 is arranged on the frame system; the front laser ranging sensor 19, the rear laser ranging sensor 20 and the inclination angle sensor 21 are all connected with a leveling controller, and the leveling controller is connected to the explosion-proof control system 18.
The tilt angle sensor 21 can measure the depth cut elevation angle and the cross slope angle of the current under-mine milling machine. The front laser ranging sensor 19 can measure the real-time change condition of the current road, judge the gradient of the current road surface and ensure that the underground milling machine mills according to the current road surface trend; the rear laser ranging sensor 20 can measure the height of the rear pivot of the current milling machine, the current milling depth is obtained through an algorithm, the leveling controller 21 of the mining milling machine receives the data of the front sensor and the rear sensor, the depth of cut of the milling barrel 8 is adjusted to control the height value of the frame, the milling machine is enabled to operate according to a designed gradient, and meanwhile, the automatic milling operation of a road surface in a long road section is guaranteed, and the influence of the fluctuation of the road surface is avoided.
Milling machine still includes control early warning system under this embodiment ore deposit, control early warning system is connected with explosion-proof control system 18, each operating condition of milling machine under the control ore deposit, make it more intelligent and humanized, it is concrete, control early warning system includes that personnel are close to the alarm, the radar alarm that backs a car, explosion-proof diesel engine heat dissipation temperature sensor, cut depth feedback sensor, mill plane working face temperature sensor, dust removal water tank level sensor, from the use of each aspect to milling machine monitor and the early warning.
The mining milling machine is used as an underground product, and the coal mine safety design of the electric control system is an indispensable part of the design of mining equipment. In this embodiment, the explosion-proof control system 18 adopts a digital network system based on a CAN-bus technology, and mainly includes a main control cabinet and an operation console, both the main control cabinet and the operation console are vehicle-mounted systems, the operation console includes a control end and a display screen, the main control cabinet is a mining explosion-proof intrinsically safe control cabinet, and is connected with each control target through a mining cable, the explosion-proof intrinsically safe control cabinet adopts a design in which a wiring cavity and an element cavity are independent, so that absolute coal mine safety is ensured, each intrinsically safe element and an element in the control cabinet are isolated by a mining intrinsically safe barrier, and a worker CAN perform safe field operation on the operation console of the mining milling machine.
Example 2:
different from embodiment 1, in this embodiment, the automatic leveling system adopts ultrasonic automatic leveling, and when milling roads with different heights, the milling height can be automatically adjusted according to information detected by the ultrasonic ranging sensor, so as to improve the overall flatness of the underground road.
The automatic leveling system comprises a front ultrasonic distance measuring sensor, a rear ultrasonic distance measuring sensor, an inclination angle sensor and a leveling controller, wherein the front ultrasonic distance measuring sensor and the rear ultrasonic distance measuring sensor are respectively positioned on the front side and the rear side of the milling barrel and fixedly arranged on the lower end surface of the frame system, the detection surface of the frame system is vertically downward, and the inclination angle sensor is arranged on the frame system; the front ultrasonic ranging sensor, the rear ultrasonic ranging sensor and the inclination angle sensor are all connected with a leveling controller, and the leveling controller is connected with an explosion-proof control system.
Example 3:
in contrast to exemplary embodiment 1 or exemplary embodiment 2, the underground milling machine also comprises a remote control system.
In this embodiment, control early warning system and explosion-proof control system are connected, and each operating condition of milling machine under the control ore deposit makes it more intelligent and humanized, and is concrete, and control early warning system includes that personnel are close to alarm, radar alarm that backs a car, explosion-proof diesel engine heat dissipation temperature sensor, depth of cut feedback sensor, mill plane working face temperature sensor, dust removal water tank level sensor, monitors and early warning the use of milling machine from each aspect.
In the embodiment, the explosion-proof control system adopts a digital network system based on a CAN-bus technology, and mainly comprises a main control cabinet and an operating platform, wherein the main control cabinet and the operating platform are both vehicle-mounted systems, the operating platform comprises a control end and a display screen, the main control cabinet is a mining explosion-proof intrinsically safe control cabinet, the main control cabinet is connected with each control target through a mining cable, the explosion-proof intrinsically safe control cabinet adopts a design that a wiring cavity and an element cavity are independent, absolute coal mine safety is ensured, each intrinsically safe element and an element in the control cabinet are isolated by a mining intrinsically safe barrier, and a worker CAN perform safe field operation on the operating platform of the mining milling machine.
The remote control system comprises a mine intrinsic safety remote control receiver and a remote control operator in wireless connection with the intrinsic safety remote control receiver, and is provided with an explosion-proof industrial control tablet personal computer, and the mine intrinsic safety remote control receiver is connected with the explosion-proof control system and arranged outside the frame system; the remote control operator can be used for personnel to remotely control the milling machine under the mine at a far position and even on the ground, so that the operation risk of the personnel is greatly reduced, and the industrial control tablet personal computer can complete the setting of the working parameters of the whole milling machine in a wireless communication mode and display the working state parameters and the working real-time pictures of the machine.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The underground milling machine is characterized by comprising a frame system, wherein the frame system is provided with a traveling system, a milling system, a belt conveyor system, an explosion-proof diesel engine, a hydraulic system and an explosion-proof control system; the running system is a crawler-type running system and comprises a front pair of crawler wheels and a rear pair of crawler wheels, and the front pair of crawler wheels and the rear pair of crawler wheels are arranged below the frame system and are connected with the hydraulic system; the milling system is arranged below the frame system and is positioned between the front and rear pairs of track wheels, the milling system comprises a milling barrel, two ends of the milling barrel are connected with a power output part of the explosion-proof diesel engine through mounting flanges to drive the milling barrel to rotate along the central axis of the milling barrel, the milling barrel is connected with a depth control rack, the depth control rack is connected with a hydraulic system, a plurality of milling cutters are arranged on the outer wall of the milling barrel, and the plurality of milling cutters are distributed on the milling barrel along a spiral line; the belt conveyor system is arranged in the front of the frame system and comprises a primary belt mechanism and a secondary belt mechanism, one end of the primary belt mechanism is located below the milling cylinder, the other end of the primary belt mechanism is located above the secondary belt, and belt rotating shafts of the primary belt mechanism and the secondary belt mechanism are connected with a hydraulic system.
2. The underground milling machine of claim 1, wherein the front and rear pairs of track wheels are disposed under the front left column, the front right column, the rear left column, and the rear right column, respectively, and each column is provided therein with a hydraulic pipeline, a hydraulic valve, a hydraulic motor, and a steering motor, and each column is fixed to the frame system.
3. The mining milling machine of claim 1, wherein the milling cylinder is uniformly covered with a plurality of tool holders in a grid pattern on the outer wall of the milling cylinder, the milling tools are disposed on the tool holders, a plurality of milling tools are formed in a single-row continuous spiral structure, a multi-row staggered spiral structure or a multi-row parallel spiral structure, a plurality of sets of aggregate plates are disposed on the milling cylinder, the plurality of sets of aggregate plates are arranged along a spiral line, and the aggregate plates are perpendicular to the milling cylinder.
4. The mining milling machine of claim 1, wherein the primary belt drive is disposed below a front portion of the frame system via a mounting bracket, and is oriented tangentially to the rotation of the milling barrel; the secondary belt mechanism is arranged at the front end of the frame system through a swinging hydraulic support, the swinging hydraulic support is connected with the hydraulic system, and the swinging hydraulic support can pull the secondary belt mechanism to deflect integrally relative to the longitudinal central axis of the milling machine.
5. The underground milling machine of claim 1, wherein the explosion-proof control system comprises a main control cabinet and an operation table, the operation table comprises a control end and a display screen, and the main control cabinet is a mining explosion-proof intrinsically safe control cabinet and is connected with each control target through a mining cable.
6. The under mine milling machine of claim 1, further comprising a dust extraction system including a dust extraction water tank, a water pipe, and a fan-shaped water nozzle, the fan-shaped water nozzle facing the milling barrel.
7. The underground milling machine of claim 1, further comprising an automatic leveling system, wherein the automatic leveling system comprises a front laser distance measuring sensor, a rear laser distance measuring sensor, an inclination angle sensor and a leveling controller, the front laser distance measuring sensor and the rear laser distance measuring sensor are respectively positioned on the front side and the rear side of the milling barrel, the front laser distance measuring sensor and the rear laser distance measuring sensor are fixedly arranged on the lower end surface of the frame system, the detection surface of the lower laser distance measuring sensor faces vertically downwards, and the inclination angle sensor is arranged on the frame system; the front laser ranging sensor, the rear laser ranging sensor and the inclination angle sensor are all connected with a leveling controller, and the leveling controller is connected with an explosion-proof control system.
8. The underground milling machine of claim 1, further comprising an automatic leveling system, wherein the automatic leveling system comprises a front ultrasonic distance measuring sensor, a rear ultrasonic distance measuring sensor, an inclination angle sensor and a leveling controller, the front ultrasonic distance measuring sensor and the rear ultrasonic distance measuring sensor are respectively positioned on the front side and the rear side of the milling barrel and are fixedly arranged on the lower end surface of the frame system, the detection surface of the frame system is vertically downward, and the inclination angle sensor is arranged on the frame system; the front ultrasonic ranging sensor, the rear ultrasonic ranging sensor and the inclination angle sensor are all connected with a leveling controller, and the leveling controller is connected with an explosion-proof control system.
9. The under mine milling machine of claim 1, further comprising a remote control system including a mine intrinsically safe remote control receiver and a remote operator wirelessly connected to the intrinsically safe remote control receiver, the mine intrinsically safe remote control receiver being connected to the explosion-proof control system.
10. The underground milling machine of claim 1, further comprising a monitoring and early warning system, wherein the monitoring and early warning system comprises a personnel approach alarm, a reversing radar alarm, an explosion-proof diesel engine heat dissipation temperature sensor, a cutting depth feedback sensor, a milling working surface temperature sensor, and a dust removal water tank level sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222269603.4U CN218090422U (en) | 2022-08-26 | 2022-08-26 | Milling machine under ore deposit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222269603.4U CN218090422U (en) | 2022-08-26 | 2022-08-26 | Milling machine under ore deposit |
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| CN218090422U true CN218090422U (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116949907A (en) * | 2023-07-25 | 2023-10-27 | 陕西中环机械有限责任公司 | Automatic methane detection protection system for mining milling machine and implementation method |
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2022
- 2022-08-26 CN CN202222269603.4U patent/CN218090422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116949907A (en) * | 2023-07-25 | 2023-10-27 | 陕西中环机械有限责任公司 | Automatic methane detection protection system for mining milling machine and implementation method |
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