CN110552698A - short-body thin coal seam coal mining machine and cutting coal mining method - Google Patents
short-body thin coal seam coal mining machine and cutting coal mining method Download PDFInfo
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- CN110552698A CN110552698A CN201910917392.0A CN201910917392A CN110552698A CN 110552698 A CN110552698 A CN 110552698A CN 201910917392 A CN201910917392 A CN 201910917392A CN 110552698 A CN110552698 A CN 110552698A
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- 239000003245 coal Substances 0.000 title claims abstract description 127
- 238000005065 mining Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 775
- 230000007246 mechanism Effects 0.000 claims abstract description 293
- 238000001816 cooling Methods 0.000 claims description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 239000003638 chemical reducing agent Substances 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 239000000498 cooling water Substances 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 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
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/08—Mountings for the rods or drums
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a short-machine-body thin coal seam coal mining machine and a cutting coal mining method, wherein the coal mining machine comprises a machine body shell, a first cutting rocker arm and a second cutting rocker arm, the first cutting rocker arm comprises a first rocker arm shell, a first cutting drum and a first transmission mechanism, the second cutting rocker arm comprises a second rocker arm shell, a second cutting drum and a second transmission mechanism, and the first transmission mechanism and the second transmission mechanism are in transmission connection with an output shaft of a cutting motor; the cutting coal mining method comprises the following steps: firstly, adjusting a short-body thin coal seam coal mining machine; secondly, cutting the thin coal seam; and thirdly, repeating the first step and the second step for multiple times until the mining of the whole coal face is completed. The invention has reasonable design, reduces the impact load influence borne by the cutting motor, realizes the driving of the rocker arms at the two sides through the shunting transmission, greatly shortens the length of the coal mining machine and greatly improves the adaptability of the coal mining machine.
Description
Technical Field
The invention belongs to the technical field of coal mining machines, and particularly relates to a short-body thin coal seam coal mining machine and a cutting coal mining method.
background
the reserve of the thin coal seam in China accounts for about 18 percent of the total reserve of coal in China, and because the thin coal seam is mostly positioned in the edge zone of a coal field, the occurrence condition is complex, and the working surface of the thin coal seam is mostly provided with geological structures such as faults, folds, fluctuation, gangue inclusion and the like; and because the mining height is more than 1.5m, the space is narrow, and the thin coal seam equipment is required to have higher strength and more flexible structure. In order to solve the problem that a rocker motor occupies a coal passing port below a rocker excessively, two cutting motors are mostly arranged on one rocker, and the power of the two cutting motors is converged into a single rocker transmission system, so that the purpose of improving the cutting power is achieved. However, there are some problems:
1. The rocker arm adopting double-motor arrangement has the advantages that due to manufacturing errors, the power characteristics of each motor cannot be completely consistent, two motors cannot be completely and synchronously output in actual use, and the actual output power cannot reach the sum of the two powers.
2. The length of the rocker arm arranged by the double motors is large, so that the whole length of the coal mining machine is too large, the coal mining machine is difficult to adapt to a thin coal seam working surface with large fluctuation and complex conditions, and the adaptability of the coal mining machine is poor.
3. the rocker arm with double motors is adopted, and the cutting motors of the whole machine can reach 4, so that the overall reliability of the cutting system is reduced, the maintenance work is increased, and the high-yield and high-efficiency capacity of the coal face of the thin coal seam is greatly limited. Therefore, a short-machine-body thin coal seam coal mining machine with a simple structure and a reasonable design and a cutting coal mining method are absent at present, a cutting motor is placed in a machine body shell and does not swing along with a rocker arm, the impact load influence borne by the cutting motor is reduced, the driving of the rocker arms on two sides is realized through split-flow transmission, the length of the coal mining machine is greatly shortened, and the adaptability of the coal mining machine is greatly improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a short-body thin coal seam coal mining machine aiming at the defects in the prior art, which is reasonable in design, the cutting motor is arranged in the machine body shell and does not swing along with the rocker arm, the impact load influence borne by the cutting motor is reduced, the driving of the rocker arms on two sides is realized through shunting transmission, the length of the coal mining machine is greatly shortened, and the adaptability of the coal mining machine is greatly improved.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a short fuselage thin seam coal cutter which characterized in that: the cutting machine comprises a machine body shell, a first cutting rocker arm arranged at one end of the machine body shell and a second cutting rocker arm arranged at the other end of the machine body shell, wherein the first cutting rocker arm comprises a first rocker arm shell, a first cutting drum arranged at the end part of the first rocker arm shell and a first transmission mechanism which is in transmission connection with a cutting motor and drives the first cutting rocker arm to rotate, the second cutting rocker arm comprises a second rocker arm shell, a second cutting drum arranged at the end part of the second rocker arm shell and a second transmission mechanism which is in transmission connection with the cutting motor and drives the second cutting rocker arm to rotate, the first transmission mechanism comprises a first left rocker arm transmission part, a first coupler component and a second left rocker arm transmission part which are in transmission connection in sequence, the first left rocker arm transmission part is in transmission connection with an output shaft of the cutting motor, and the second left rocker arm transmission part is in transmission connection with the first cutting drum, the second transmission mechanism comprises a first right rocker arm transmission part, a second coupler assembly and a second right rocker arm transmission part which are sequentially connected in a transmission manner, the first right rocker arm transmission part is connected with an output shaft of the cutting motor in a transmission manner, and the second right rocker arm transmission part is connected with the second cutting drum in a transmission manner; a first push-pull oil cylinder connected with the first rocker arm shell and a second push-pull oil cylinder connected with the second rocker arm shell are arranged on the machine body shell; the cutting machine is characterized in that first cooling mechanisms are arranged in the first cutting drum and the second cutting drum, second cooling mechanisms and water supply parts for supplying low-temperature water to the first cooling mechanisms and the second cooling mechanisms are arranged in the first rocker arm shell and the second rocker arm shell, and a plurality of rocker arm outer spray heads are arranged on the first rocker arm shell and the second rocker arm shell.
The short-machine-body thin coal seam coal mining machine is characterized in that: the first left rocker arm transmission part comprises a first left cutting transmission mechanism, a second left cutting transmission mechanism, a third left cutting transmission mechanism, a fourth left cutting transmission mechanism and a fifth left cutting transmission mechanism which are sequentially connected in a transmission manner; the second left rocker arm transmission part comprises a first left rocker arm transmission mechanism, a second left rocker arm transmission mechanism, a third left rocker arm transmission mechanism, a fourth left rocker arm transmission mechanism and a fifth left rocker arm transmission mechanism which are sequentially in transmission connection, the first left cutting transmission mechanism is in transmission connection with the cutting motor, the fifth left cutting transmission mechanism is in transmission connection with one end of the first coupler assembly, the first left rocker arm transmission mechanism is in transmission connection with the other end of the first coupler assembly, and the fifth left rocker arm transmission mechanism is in transmission connection with the first cutting drum;
the first right rocker arm transmission part comprises a first right cutting transmission mechanism, a second right cutting transmission mechanism, a third right cutting transmission mechanism, a fourth right cutting transmission mechanism, a fifth right cutting transmission mechanism and a sixth right cutting transmission mechanism which are sequentially connected in a transmission manner; the second right rocker arm transmission part comprises a first right rocker arm transmission mechanism, a second right rocker arm transmission mechanism, a third right rocker arm transmission mechanism, a fourth right rocker arm transmission mechanism and a fifth right rocker arm transmission mechanism which are sequentially in transmission connection, the first right cutting transmission mechanism is in transmission connection with the cutting motor, the sixth right cutting transmission mechanism is in transmission connection with one end of the second coupler assembly, the first right rocker arm transmission mechanism is in transmission connection with the other end of the second coupler assembly, and the fifth right rocker arm transmission mechanism is in transmission connection with the second cutting drum.
The short-machine-body thin coal seam coal mining machine is characterized in that: the output shaft of the cutting motor is in transmission connection with a transmission shaft, one end of the transmission shaft, which is far away from the output shaft of the cutting motor, is provided with a synchronous shaft, and a synchronous gear is arranged on the synchronous shaft;
the first left cutting transmission mechanism comprises a first left cutting transmission shaft and a first left cutting transmission gear arranged on the first left cutting transmission shaft, the second left cutting transmission mechanism comprises a first left idler shaft arranged in the machine body shell and a second left cutting transmission gear sleeved on the first left idler shaft, the third left cutting transmission mechanism comprises a second left idler shaft arranged in the machine body shell and a third left cutting transmission gear sleeved on the second left idler shaft, the fourth left cutting transmission mechanism comprises a third left idler shaft arranged in the machine body shell and a fourth left cutting transmission gear sleeved on the third left idler shaft, and the fifth left cutting transmission mechanism comprises a second left cutting transmission shaft and a fifth left cutting transmission gear sleeved on the second left cutting transmission shaft;
the first right cutting transmission mechanism comprises a first right cutting transmission shaft and a first right cutting transmission gear arranged on the first right cutting transmission shaft, the second right cutting transmission mechanism comprises a first right idler shaft arranged in the machine body shell and a second right cutting transmission gear arranged on the first right idler shaft in a sleeved mode, the third right cutting transmission mechanism comprises a second right idler shaft arranged in the machine body shell and a third right cutting transmission gear arranged on the second right idler shaft in a sleeved mode, the fourth right cutting transmission mechanism comprises a third right idler shaft arranged in the machine body shell and a fourth right cutting transmission gear arranged on the third right idler shaft in a sleeved mode, the fifth right cutting transmission mechanism comprises a fourth right idler shaft arranged in the machine body shell and a fifth right cutting transmission gear arranged on the fourth right idler shaft in a sleeved mode, and the sixth right cutting transmission mechanism comprises a second right cutting transmission shaft and a second right cutting transmission gear arranged on the second right cutting transmission shaft The first left cutting transmission gear and the first right cutting transmission gear are meshed with the synchronous gear, the second left cutting transmission shaft is in transmission connection with the first coupler assembly, and the second right cutting transmission shaft is in transmission connection with the second coupler assembly;
the first left cutting transmission gear, the second left cutting transmission gear, the third left cutting transmission gear, the fourth left cutting transmission gear and the fifth cutting transmission gear are sequentially meshed and connected, and the first right cutting transmission gear, the second right cutting transmission gear, the third right cutting transmission gear, the fourth right cutting transmission gear, the fifth cutting transmission gear and the sixth cutting transmission gear are sequentially meshed and connected.
The short-machine-body thin coal seam coal mining machine is characterized in that: the structure of first shaft coupling subassembly and second shaft coupling subassembly is the same, first shaft coupling subassembly and second shaft coupling subassembly all include driving shaft and with driving shaft fixed connection's driven shaft.
the short-machine-body thin coal seam coal mining machine is characterized in that: the first left rocker arm transmission mechanism comprises a first left rocker arm transmission shaft and a first left rocker arm transmission gear sleeved on the first left rocker arm transmission shaft, the second left rocker arm transmission mechanism comprises a first left rocker arm idler shaft and a second left rocker arm transmission gear sleeved on the first left rocker arm idler shaft, the third left rocker arm transmission mechanism comprises a second left rocker arm transmission shaft, a third left front rocker arm transmission gear and a third left rear rocker arm transmission gear sleeved on the second left rocker arm transmission shaft, the third left front rocker arm transmission gear is in meshing transmission connection with the second left rocker arm transmission gear, the fourth left rocker arm transmission mechanism comprises a second left rocker arm idler shaft and a fourth left rocker arm transmission gear sleeved on the second left rocker arm idler shaft, and the fifth left rocker arm transmission mechanism comprises a third left rocker arm transmission shaft and a fifth left rocker arm transmission gear sleeved on the third left rocker arm transmission shaft, the first left rocker arm transmission gear is meshed with the second left rocker arm transmission gear, and the third left rear rocker arm transmission gear, the fourth left rocker arm transmission gear and the fifth left rocker arm transmission gear are sequentially meshed;
the first right rocker arm transmission mechanism comprises a first right rocker arm transmission shaft and a first right rocker arm transmission gear sleeved on the first right rocker arm transmission shaft, the second right rocker arm transmission mechanism comprises a first right rocker arm idler shaft and a second right rocker arm transmission gear sleeved on the first right rocker arm idler shaft, the third right rocker arm transmission mechanism comprises a second right rocker arm transmission shaft, a third right front rocker arm transmission gear and a third right rear rocker arm transmission gear sleeved on the second right rocker arm transmission shaft, the third front rocker arm transmission gear is in meshing transmission connection with the second right rocker arm transmission gear, the third rocker arm transmission gear and the third right rocker arm transmission shaft are integrally formed, the fourth right rocker arm transmission mechanism comprises a second right rocker arm idler shaft and a fourth right rocker arm transmission gear sleeved on the second right rocker arm idler shaft, and the fifth right rocker arm transmission mechanism comprises a third right rocker arm transmission shaft and a fifth right rocker arm transmission gear sleeved on the third right rocker arm transmission shaft The first right rocker arm transmission gear is meshed with the second right rocker arm transmission gear, and the third right rear rocker arm transmission gear, the fourth right rocker arm transmission gear and the fifth right rocker arm transmission gear are sequentially meshed.
The short-machine-body thin coal seam coal mining machine is characterized in that: the cutting machine is characterized in that a first speed reducing mechanism is arranged in the first cutting drum and comprises a first-stage left planetary speed reducer and a second-stage left planetary speed reducer which are sequentially in transmission connection with the output end of the second left rocker arm transmission component, a second speed reducing mechanism is arranged in the second cutting drum and comprises a first-stage right planetary speed reducer and a second-stage right planetary speed reducer which are sequentially in transmission connection with the output end of the second right rocker arm transmission component.
meanwhile, the invention also discloses a method for cutting and mining the thin coal seam by using the short-body thin coal seam mining machine, which has simple steps and reasonable design, and is characterized by comprising the following steps:
step one, adjusting a short-machine-body thin coal seam coal mining machine:
Moving a short-body thin seam coal mining machine to a coal mining working face, adjusting a first cutting rocker arm to the coal mining height through a first push-pull oil cylinder, and adjusting a second cutting rocker arm to the coal mining height through a second push-pull oil cylinder;
step two, cutting the thin coal seam:
Step 201, operating a cutting motor to rotate, wherein the cutting motor rotates to sequentially drive a first left cutting transmission mechanism, a second left cutting transmission mechanism, a third left cutting transmission mechanism, a fourth left cutting transmission mechanism and a fifth left cutting transmission mechanism in a first left rocker arm transmission part to rotate, and simultaneously, the cutting motor rotates to sequentially drive a first right cutting transmission mechanism, a second right cutting transmission mechanism, a third right cutting transmission mechanism, a fourth right cutting transmission mechanism, a fifth right cutting transmission mechanism and a sixth right cutting transmission mechanism in a first right rocker arm transmission part to rotate;
Step 202, the fifth left cutting transmission mechanism rotates to drive the first coupler assembly to rotate, meanwhile, the sixth right cutting transmission mechanism rotates to drive the second coupler assembly to rotate,
Step 203, the first coupler assembly rotates to sequentially drive the first left rocker arm transmission mechanism, the second left rocker arm transmission mechanism, the third left rocker arm transmission mechanism, the fourth left rocker arm transmission mechanism and the fifth left rocker arm transmission mechanism to rotate, and meanwhile, the second coupler assembly rotates to sequentially drive the first right rocker arm transmission mechanism, the second right rocker arm transmission mechanism, the third right rocker arm transmission mechanism, the fourth right rocker arm transmission mechanism and the fifth right rocker arm transmission mechanism to rotate;
step 204, the fifth left rocker arm transmission mechanism rotates to drive the first cutting drum to rotate through the first-stage left planetary reducer and the second-stage left planetary reducer, and meanwhile, the fifth right rocker arm transmission mechanism rotates to drive the second cutting drum to rotate through the first-stage right planetary reducer and the second-stage right planetary reducer, so that coal is cut for the thin coal seam, and cutting of the thin coal seam is achieved;
and step three, repeating the step one and the step two for many times until the mining of the whole coal face is completed.
The above method is characterized in that: the first cutting drum and the second cutting drum are internally provided with a first cooling mechanism, the first rocker arm shell and the second rocker arm shell are internally provided with a second cooling mechanism and a water supply part for supplying low-temperature water to the first cooling mechanism and the second cooling mechanism, and the first rocker arm shell and the second rocker arm shell are provided with a plurality of rocker arm outer spray heads;
The second cooling mechanism comprises an upper cooling mechanism and a lower cooling mechanism, the upper cooling mechanism and the lower cooling mechanism are identical in structure, the upper cooling mechanism and the lower cooling mechanism respectively comprise a mounting seat mounted on the gear box, a mounting shaft clamped between the mounting seat and the gear box, and a cooling coiled pipe sleeved on the mounting shaft, the inlet of the cooling coiled pipe is connected with the water supply part, and the outlet of the cooling coiled pipe is communicated with the spray head outside the rocker arm through a hose;
The first cooling mechanism comprises cooling water pipes penetrating the first cutting drum and the second cutting drum, the inlets of the cooling water pipes are connected with the water supply part, and the outlets of the cooling water pipes are connected with the cutting drum cooling interface.
the above method is characterized in that: the water supply component comprises a water supply main pipe arranged in the first rocker arm shell, a water distributor connected with the water supply main pipe, a first joint seat, a second joint seat and a third joint seat which are communicated with the water distributor;
the inlet of the water separator is connected with a water supply main pipe, three water passing pipelines are arranged on the water separator, a throttling screw is arranged on each water passing pipeline, the first joint seat is connected with the inlet of a cooling coiled pipe in the upper cooling mechanism through a hose, the third joint seat is connected with the inlet of the cooling coiled pipe in the lower cooling mechanism through a hose, and the second joint seat is communicated with the cooling water pipe through a hose.
the above method is characterized in that: in the process of cutting coal from the thin coal seam by rotating the first cutting drum and the second cutting drum, the specific cooling process is as follows:
the low-temperature water provided by the water supply part enters the cooling serpentine pipe, so that the upper cooling mechanism and the lower cooling mechanism cool the second left rocker arm transmission part in the first rocker arm shell and the second right rocker arm transmission part in the second rocker arm shell, and spray dust removal is carried out through the outer spraying head of the rocker arm;
meanwhile, the low-temperature water provided by the water supply part cools the first cutting drum and the second cutting drum through the cooling water pipe.
Compared with the prior art, the invention has the following advantages:
1. the short-body thin seam coal mining machine adopted by the invention has the advantages of simple structure, reasonable design and small volume.
2. according to the short-machine-body thin-coal-bed coal mining machine, a high-power cutting motor is arranged in a machine body shell of the coal mining machine, the cutting motor is not driven by a first rocker arm and a second rocker arm, the length of the rocker arms is greatly shortened, the overall rigidity of the rocker arms is improved, the cutting motor is placed in the machine body shell, the cutting motor does not swing along with the rocker arms, and the impact load influence on the cutting motor is reduced.
3. The adopted transmission system comprises a first transmission mechanism and a second transmission mechanism, the driving of the first cutting rocker arm and the second cutting rocker arm is realized by utilizing the shunting transmission system, and the shunting mode of gear transmission is adopted, so that the bearing capacity is strong, the transmission is reliable, and the transmission efficiency is high.
4. according to the invention, the distance between the rotation centers of the first cutting rocker arm and the second cutting rocker arm is only 2185mm, when the first cutting rocker arm and the first cutting rocker arm are in a horizontal state, the rotation center distance between the first cutting drum and the second cutting drum is only 3925mm, however, the center distance between the two cutting drums is about 6000mm generally at present, the length of the rocker arm is greatly shortened, the length of the whole machine of the coal mining machine is greatly reduced, and the adaptability of the coal mining machine to the complex geological conditions of a thin coal seam is obviously improved.
5. The invention reduces the original structure that 4 cutting motors drive the first cutting rocker arm and the second cutting rocker arm respectively to one cutting motor arranged in the machine body shell, thereby not only solving the problem of small coal passing port below the rocker arm of the thin seam coal mining machine, but also reducing fault points, being easy to maintain and improving the reliability of the whole machine.
6. according to the invention, the transmission shaft is connected by adopting the coupling assembly at the hinged position of the rocker arm and the machine body shell, so that the problem of coaxiality of the rocker arm ear seat and the machine body ear seat of the host machine is effectively solved, the length of the transmission shaft is shortened, and the assembly and disassembly are convenient; in addition, the structure is compact, and the transmission precision and the bearing capacity are ensured.
in conclusion, the coal mining machine is reasonable in design, the cutting motor is placed in the machine body shell and does not swing along with the rocker arm, the impact load bearing effect of the cutting motor is reduced, the rocker arms on the two sides are driven through the split-flow transmission, the length of the coal mining machine is greatly shortened, and the adaptability of the coal mining machine is greatly improved.
the technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a short-body thin seam coal mining machine.
Fig. 2 is a schematic structural diagram of a cutting motor, a first transmission mechanism and a second transmission mechanism of the short-body thin coal seam mining machine.
fig. 3 is a schematic structural diagram of a first cutting rocker arm of the short-body thin seam coal mining machine of the invention.
fig. 4 is a schematic structural diagram of the water supply part of the short-body thin coal seam mining machine.
Fig. 5 is a top view of fig. 3 with the first ear mount removed.
Fig. 6 is a schematic structural diagram of an upper cooling mechanism and a lower cooling mechanism of the short-body thin seam coal mining machine.
Fig. 7 is a flow chart of the cutting coal mining method of the short-body thin coal seam coal mining machine according to the invention.
Description of reference numerals:
1-cutting motor; 2-a first left rocker arm transmission part;
2-1-a first left cutting drive shaft; 2-1-a first left cutting transmission gear;
2-2 — a first left idler shaft; 2-2-1-a second left cutting transmission gear;
2-3 — a second left idler shaft; 2-3-1-a third left cutting transmission gear;
2-4 — a third left idler shaft; 2-4-1-a fourth left cutting transmission gear;
2-5-a second left cutting transmission shaft; 2-5-1-a fifth left cutting transmission gear;
3-a first coupling assembly; 3-1-driving shaft; 3-2-driven shaft;
4-a second left rocker arm transmission part; 4-1 — a first left rocker arm transmission shaft;
4-1-a first left rocker arm transmission gear; 4-2 — a first left rocker arm idler shaft;
4-2-1-a second left rocker arm transmission gear; 4-3-a second left rocker arm transmission shaft;
4-3-1-a third left front rocker arm transmission gear 4-3-2-a third left rear rocker arm transmission gear;
4-a second left rocker arm idler shaft; 4-4-1-a fourth left rocker arm transmission gear;
4-5-a third left rocker arm transmission shaft; 4-5-1-a fifth left rocker drive gear;
5-a first right rocker arm transmission part; 5-1-a first right cutting transmission shaft;
5-1-a first right cutting transmission gear; 5-2 — a first right idler shaft;
5-2-1-a second right cutting transmission gear; 5-3-a second right idler shaft;
5-3-1-a third right cutting transmission gear; 5-4-a third right idler shaft;
5-4-1-a fourth right cutting transmission gear; 5-a fourth right idler shaft;
5-5-1-a fifth right cutting transmission gear; 5-6-a second right cutting transmission shaft;
5-6-1-a sixth right cutting transmission gear; 6-a second coupling assembly;
7-a second right rocker arm transmission part; 7-1-a first right rocker arm transmission shaft;
7-2 — a first right rocker arm idler shaft; 7-3-a second right rocker arm transmission shaft;
7-4-a second right rocker arm idler shaft; 7-5-a third right rocker arm transmission shaft;
8, a transmission shaft; 9-a synchronizing shaft; 10-a synchronizing gear;
12-1 — a first stage left planetary reducer; 12-2-first stage right planetary reducer;
13-1 — a second stage left planetary reducer; 13-2-second stage right planetary reducer;
14-cooling water pipe; 15-1 — first cutting drum; 15-2-a second cutting drum;
16-1 — a first rocker arm housing; 16-1-a first rocker arm housing ear mount;
16-1-2-second rocker arm housing ear mount; 16-2 — a second rocker arm housing;
16-2-1-a third rocker arm housing ear mount; 16-2-fourth rocker arm shell ear seat
17-1 — a first ear mount; 17-2 — a second ear mount;
18-1-a first push-pull oil cylinder; 18-2-a second push-pull oil cylinder; 19-fuselage shell;
19-1 — a first housing ear mount; 19-2-second housing ear mount; 19-3-third housing ear mount;
19-4-a fourth housing ear mount; 19-5-fifth shell ear mount; 19-6-sixth housing ear mount;
20-rocker arm outer spray head; 21-1 — upper cooling mechanism; 21-1-1-mounting seat;
21-1-2-mounting shaft; 21-1-3-cooling coils; 21-2 — lower cooling mechanism;
23-water mains; 24-a water separator;
25-a throttling screw; 26-1 — a first joint seat; 26-2 — a second joint seat;
26-3-a third joint seat; 27-central waterway base.
Detailed Description
As shown in fig. 1, 2, 3 and 5, the present invention comprises a body housing 19, a first cutting rocker arm disposed at one end of the body housing 19, and a second cutting rocker arm disposed at the other end of the body housing 19, wherein the first cutting rocker arm comprises a first rocker arm housing 16-1, a first cutting drum 15-1 disposed at an end of the first rocker arm housing 16-1, and a first transmission mechanism drivingly connected to a cutting motor 1 and driving the first cutting rocker arm to rotate, the second cutting rocker arm comprises a second rocker arm housing 16-2, a second cutting drum 15-2 disposed at an end of the second rocker arm housing 16-2, and a second transmission mechanism drivingly connected to the cutting motor 1 and driving the second cutting rocker arm to rotate, and the first transmission mechanism comprises a first left rocker arm transmission part 2, a second transmission part 2, a third transmission part and a fourth transmission part which are drivingly connected in sequence, The cutting machine comprises a first coupler assembly 3 and a second left rocker arm transmission part 4, wherein the first left rocker arm transmission part 2 is in transmission connection with an output shaft of a cutting motor 1, the second left rocker arm transmission part 3 is in transmission connection with a first cutting drum 15-1, the second transmission mechanism comprises a first right rocker arm transmission part 5, a second coupler assembly 6 and a second right rocker arm transmission part 7 which are in transmission connection in sequence, the first right rocker arm transmission part 5 is in transmission connection with the output shaft of the cutting motor 1, and the second right rocker arm transmission part 7 is in transmission connection with a second cutting drum 15-2; a first push-pull oil cylinder 18-1 connected with the first rocker arm shell 16-1 and a second push-pull oil cylinder 18-2 connected with the second rocker arm shell 16-1 are arranged on the machine body shell 19; the first cutting drum 15-1 and the second cutting drum 15-2 are both provided with a first cooling mechanism therein, the first rocker arm housing 16-1 and the second rocker arm housing 16-2 are both provided with a second cooling mechanism therein and a water supply part for supplying low-temperature water to the first cooling mechanism and the second cooling mechanism therein, and the first rocker arm housing 16-1 and the second rocker arm housing 16-2 are provided with a plurality of rocker arm outer spray heads 20 thereon.
in this embodiment, the first left rocker arm transmission part 2 includes a first left cutting transmission mechanism, a second left cutting transmission mechanism, a third left cutting transmission mechanism, a fourth left cutting transmission mechanism and a fifth left cutting transmission mechanism which are sequentially connected in a transmission manner; the second left rocker arm transmission part 4 comprises a first left rocker arm transmission mechanism, a second left rocker arm transmission mechanism, a third left rocker arm transmission mechanism, a fourth left rocker arm transmission mechanism and a fifth left rocker arm transmission mechanism which are sequentially connected in a transmission manner, the first left cutting transmission mechanism is connected with the cutting motor 1 in a transmission manner, the fifth left cutting transmission mechanism is connected with one end of the first coupler component 3 in a transmission manner, the first left rocker arm transmission mechanism is connected with the other end of the first coupler component 3 in a transmission manner, and the fifth left rocker arm transmission mechanism is connected with the first cutting drum 15-2 in a transmission manner;
The first right rocker arm transmission part 5 comprises a first right cutting transmission mechanism, a second right cutting transmission mechanism, a third right cutting transmission mechanism, a fourth right cutting transmission mechanism, a fifth right cutting transmission mechanism and a sixth right cutting transmission mechanism which are sequentially connected in a transmission manner; the second right rocker arm transmission part 7 comprises a first right rocker arm transmission mechanism, a second right rocker arm transmission mechanism, a third right rocker arm transmission mechanism, a fourth right rocker arm transmission mechanism and a fifth right rocker arm transmission mechanism which are sequentially in transmission connection, the first right cutting transmission mechanism is in transmission connection with the cutting motor 1, the sixth right cutting transmission mechanism is in transmission connection with one end of the second coupler assembly 6, the first right rocker arm transmission mechanism is in transmission connection with the other end of the second coupler assembly 6, and the fifth right rocker arm transmission mechanism is in transmission connection with the second cutting drum 15-2.
as shown in fig. 2, in this embodiment, a transmission shaft 8 is connected to an output shaft of the cutting motor 1 in a transmission manner, a synchronous shaft 9 is disposed at one end of the transmission shaft 8, which is far away from the output shaft of the cutting motor 1, and a synchronous gear 10 is disposed on the synchronous shaft 9;
The first left cutting transmission mechanism comprises a first left cutting transmission shaft 2-1 and a first left cutting transmission gear 2-1-1 arranged on the first left cutting transmission shaft 2-1, the second left cutting transmission mechanism comprises a first left idler shaft 2-2 arranged in the machine body shell 19 and a second left cutting transmission gear 2-2-1 sleeved on the first left idler shaft 2-2, the third left cutting transmission mechanism comprises a second left idler shaft 2-3 arranged in the machine body shell 19 and a third left cutting transmission gear 2-3-1 sleeved on the second left idler shaft 2-3, the fourth left cutting transmission mechanism comprises a third left idler shaft 2-4 arranged in the machine body shell 19 and a fourth left cutting transmission gear 2-4-1 sleeved on the third left idler shaft 2-4, the fifth left cutting transmission mechanism comprises a second left cutting transmission shaft 2-5 and a fifth left cutting transmission gear 2-5-1 sleeved on the second left cutting transmission shaft 2-5;
The first right cutting transmission mechanism comprises a first right cutting transmission shaft 5-1 and a first right cutting transmission gear 5-1-1 arranged on the first right cutting transmission shaft 5-1, the second right cutting transmission mechanism comprises a first right idler shaft 5-2 arranged in the machine body shell 19 and a second right cutting transmission gear 5-2-1 sleeved on the first right idler shaft 5-2, the third right cutting transmission mechanism comprises a second right idler shaft 5-3 arranged in the machine body shell 19 and a third right cutting transmission gear 5-3-1 sleeved on the second right idler shaft 5-3, the fourth right cutting transmission mechanism comprises a third right idler shaft 5-4 arranged in the machine body shell 19 and a fourth right cutting transmission gear 5-4-1 sleeved on the third right idler shaft 5-4, the fifth right cutting transmission mechanism comprises a fourth right idler shaft 5-5 arranged in the machine body shell 19 and a fifth right cutting transmission gear 5-5-1 sleeved on the fourth right idler shaft 5-5, the sixth right cutting transmission mechanism comprises a second right cutting transmission shaft 5-6 and a sixth right cutting transmission gear 5-6-1 sleeved on the second right cutting transmission shaft 5-6, the first left cutting transmission gear 2-1-1 and the first right cutting transmission gear 5-1-1 are both meshed with the synchronous gear 10, the second left cutting transmission shaft 2-5 is in transmission connection with the first coupler assembly 3, and the second right cutting transmission shaft 5-6 is in transmission connection with the second coupler assembly 6;
the first left cutting transmission gear 2-1-1, the second left cutting transmission gear 2-2-1, the third left cutting transmission gear 2-3-1, the fourth left cutting transmission gear 2-4-1 and the fifth cutting transmission gear are sequentially meshed and connected, and the first right cutting transmission gear 5-1-1, the second right cutting transmission gear 5-2-1, the third right cutting transmission gear 5-3-1, the fourth right cutting transmission gear 5-4-1, the fifth cutting transmission gear and the sixth cutting transmission gear are sequentially meshed and connected.
as shown in fig. 2, in this embodiment, the first coupling assembly 3 and the second coupling assembly 6 have the same structure, and each of the first coupling assembly 3 and the second coupling assembly 6 includes a driving shaft 3-1 and a driven shaft 3-2 fixedly connected to the driving shaft 3-1.
As shown in fig. 2, in this embodiment, the first left rocker arm transmission mechanism includes a first left rocker arm transmission shaft 4-1 and a first left rocker arm transmission gear 4-1-1 sleeved on the first left rocker arm transmission shaft 4-1, the second left rocker arm transmission mechanism includes a first left rocker arm idler shaft 4-2 and a second left rocker arm transmission gear 4-2-1 sleeved on the first left rocker arm idler shaft 4-2, the third left rocker arm transmission mechanism includes a second left rocker arm transmission shaft 4-3, a third left front rocker arm transmission gear 4-3-1 and a third left rear rocker arm transmission gear 4-3-2 sleeved on the second left rocker arm transmission shaft 4-3, the third left front rocker arm transmission gear 4-3-1 is engaged and transmission-connected with the second left rocker arm transmission gear 4-2-1, the fourth left rocker arm transmission mechanism comprises a second left rocker arm idler shaft 4-4 and a fourth left rocker arm transmission gear 4-4-1 sleeved on the second left rocker arm idler shaft 4-4, the fifth left rocker arm transmission mechanism comprises a third left rocker arm transmission shaft 4-5 and a fifth left rocker arm transmission gear 4-5-1 sleeved on the third left rocker arm transmission shaft 4-5, the first left rocker arm transmission gear 4-1-1 is meshed with the second left rocker arm transmission gear 4-2-1, and the third left rear rocker arm transmission gear 4-3-2, the fourth left rocker arm transmission gear 4-4-1 and the fifth left rocker arm transmission gear 4-5-1 are sequentially meshed;
the first right rocker arm transmission mechanism comprises a first right rocker arm transmission shaft 7-1 and a first right rocker arm transmission gear sleeved on the first right rocker arm transmission shaft 7-1, the second right rocker arm transmission mechanism comprises a first right rocker arm idler shaft 7-2 and a second right rocker arm transmission gear sleeved on the first right rocker arm idler shaft 7-2, the third right rocker arm transmission mechanism comprises a second right rocker arm transmission shaft 7-3, a third right front rocker arm transmission gear and a third right rear rocker arm transmission gear which are sleeved on the second right rocker arm transmission shaft 7-3, the third front rocker arm transmission gear is in meshing transmission connection with the second right rocker arm transmission gear, the third rocker arm transmission gear and the third right rocker arm transmission shaft 7-3 are integrally formed, and the fourth right rocker arm transmission mechanism comprises a second right rocker arm idler shaft 7-4 and a fourth right rocker arm transmission gear sleeved on the second right rocker arm idler shaft 7-4 The fifth right rocker arm transmission mechanism comprises a third right rocker arm transmission shaft 7-5 and a fifth right rocker arm transmission gear sleeved on the third right rocker arm transmission shaft 7-5, the first right rocker arm transmission gear is meshed with the second right rocker arm transmission gear, and the third right rear rocker arm transmission gear, the fourth right rocker arm transmission gear and the fifth right rocker arm transmission gear are sequentially meshed and connected.
As shown in fig. 2, in this embodiment, a first speed reduction mechanism is disposed in the first cutting drum 15-1, the first speed reduction mechanism includes a first-stage left planetary speed reducer 12-1 and a second-stage left planetary speed reducer 13-1, which are sequentially connected to an output end of the second left rocker arm transmission member 4, a second speed reduction mechanism is disposed in the second cutting drum 15-2, and the second speed reduction mechanism includes a first-stage right planetary speed reducer 12-2 and a second-stage right planetary speed reducer 13-2, which are sequentially connected to an output end of the second right rocker arm transmission member 7.
in this embodiment, the first rocker arm housing 16-1 is provided with a first lug 17-1 connected to the telescopic end of the first push-pull cylinder 18-1, and the second rocker arm housing 16-2 is provided with a second lug 17-2 connected to the telescopic end of the second push-pull cylinder 18-2.
In this embodiment, a casing gear box is disposed in the machine body casing 19, and a first bearing set, a second bearing set, a third bearing set and a fourth bearing set are disposed in the casing gear box for mounting the first left cutting transmission shaft 2-1, the second left cutting transmission shaft 2-5, the first right cutting transmission shaft 5-1 and the second right cutting transmission shaft 5-6, respectively.
in this embodiment, the first left cutting transmission gear 2-1-1 and the first left cutting transmission shaft 2-1, the fifth left cutting transmission gear 2-5-1 and the second left cutting transmission shaft 2-5, the first right cutting transmission gear 5-1-1 and the first right cutting transmission shaft 5-1, and the sixth right cutting transmission gear 5-6-1 and the second right cutting transmission shaft 5-6 can be integrally formed, respectively.
In this embodiment, the first rocker arm housing 16-1 and the second rocker arm housing 16-2 are respectively provided with a gear box, and the gear box is provided with a first left bearing set, a second left bearing set and a third left bearing set for mounting the first left rocker arm transmission shaft 4-1, the second left rocker arm transmission shaft 4-3 and the third left rocker arm transmission shaft 4-5, and a first right bearing set, a second right bearing set and a third right bearing set for mounting the first right rocker arm transmission shaft 7-1, the second right rocker arm transmission shaft 7-3 and the third right rocker arm transmission shaft 7-5.
In this embodiment, the first left rocker arm transmission shaft 4-1 and the first left rocker arm transmission gear, the second left rocker arm transmission shaft 4-3 and the third left rear rocker arm transmission gear 4-3-2, the third left rocker arm transmission shaft 4-5 and the fifth left rocker arm transmission gear 4-5-1, the first right rocker arm transmission shaft 7-1 and the first right rocker arm transmission gear, the second right rocker arm transmission shaft 7-3 and the third right rear rocker arm transmission gear, and the third right rocker arm transmission shaft 7-5 and the fifth left rocker arm transmission gear 4-5-1 may be integrally formed, respectively.
In the embodiment, a first front bearing group for mounting a second left cutting transmission gear 2-2-1 is sleeved on the first left idler shaft 2-2, a second front bearing group for mounting a third left cutting transmission gear 2-3-1 is sleeved on the second left idler shaft 2-3, and a third front bearing group for mounting a fourth left cutting transmission gear 2-4-1 is sleeved on the third left idler shaft 2-4; a fourth front bearing group for mounting a second right cutting transmission gear 5-2-1 is sleeved on the first right idler shaft 5-2, a fifth front bearing group for mounting a third right cutting transmission gear 5-3-1 is sleeved on the second right idler shaft 5-3, a sixth front bearing group for mounting a fourth right cutting transmission gear 5-4-1 is sleeved on the third right idler shaft 5-4, a seventh front bearing group for mounting a fifth right cutting transmission gear 5-5-1 is sleeved on the fourth right idler shaft 5-5, and the first left idler shaft 2-2, the second left idler shaft 2-3, the third left idler shaft 2-4, the first right idler shaft 5-2, the second right idler shaft 5-3, the third right idler shaft 5-4 and the fourth right idler shaft 5-5 are all mounted in a gear box of the machine shell.
in the embodiment, the transmission shaft 8 is connected with the output shaft of the cutting motor 1, the second left cutting transmission shaft 2-5 is connected with the driving shaft 3-1 in the first coupling component 3, the driven shaft 3-2 in the first coupling component 3 is connected with the first left rocker arm transmission shaft 4-1, and the third left rocker arm transmission shaft 4-5 is connected with the first-stage left planetary reducer 12-1 through splines.
In the embodiment, a second right cutting transmission shaft 5-6 is connected with a driving shaft 3-1 in a second coupling assembly 6, a driven shaft 3-2 in the second coupling assembly 6 is connected with a first right rocker arm transmission shaft 7-1, and a third right rocker arm transmission shaft 7-5 is connected with a first-stage right planetary reducer 12-2 through splines.
in this embodiment, the first rocker arm housing 16-1 is provided with a first rocker arm housing ear mount 16-1-1 and a second rocker arm housing ear mount 16-1-2, the body housing 19 is provided with a first housing ear mount 19-1, a second housing ear mount 19-2 and a third housing ear mount 19-3, the first rocker arm housing ear mount 16-1-1 is attached to the first housing ear mount 19-1, and the second rocker arm housing ear mount 16-1-2 is located between the second housing ear mount 19-2 and the third housing ear mount 19-3;
A driving shaft 3-1 in the first coupling assembly 3 sequentially penetrates through a first rocker arm shell lug seat 16-1-1 and a first shell lug seat 19-1, and a driven shaft 3-2 in the first coupling assembly 3 sequentially penetrates through a second shell lug seat 19-2, a second rocker arm shell lug seat 16-1-2 and a third shell lug seat 19-3.
In this embodiment, the second rocker arm shell 16-2 is provided with a third rocker arm shell ear seat 16-2-1 and a fourth rocker arm shell ear seat 16-2-2, the body shell 19 is provided with a fourth shell ear seat 19-4, a fifth shell ear seat 19-5 and a sixth shell ear seat 19-6, the third rocker arm shell ear seat 16-2-1 is attached to the fourth shell ear seat 19-4, and the fourth rocker arm shell ear seat 16-2-2 is located between the fifth shell ear seat 19-5 and the sixth shell ear seat 19-6;
a driving shaft 3-1 in the second coupling assembly 6 sequentially penetrates through a third rocker arm shell lug seat 16-2-1 and a fourth shell lug seat 19-4, and a driven shaft 3-2 in the second coupling assembly 6 sequentially penetrates through a fifth shell lug seat 19-5, a fourth rocker arm shell lug seat 16-2-2 and a sixth shell lug seat 19-6.
in the embodiment, the cutting motor 1 is a mining explosion-proof motor, the power of the cutting motor 1 is 300 kW-500 kW, and the cutting motor can be adjusted in the actual use process.
In the present embodiment, the cutting motor 1 is disposed in the machine body housing 19 for the purpose of: the cutting motor 1 is embedded in the machine body shell 19 and does not swing along with the rocker arm to be away from a vibration source, so that the impact load influence borne by the cutting motor is reduced, and the reliability of a cutting system is improved.
in the embodiment, the first coupler assembly 3 is arranged for driving and connecting the first left rocker arm transmission part 2 and the second left rocker arm transmission part 4, so that the output power of the cutting motor 1 is transmitted to the first cutting drum 15-1 through the first left rocker arm transmission part 2, the first coupler assembly 3 and the second left rocker arm transmission part 4 in sequence, and the cutting coal mining of the first cutting drum 15-1 is realized; secondly, the connection between the first rocker arm shell 16-1 and the body shell 19 is realized, and the installation of the first rocker arm shell lug 16-1-1, the first rocker arm shell lug 16-1-2, the first shell lug 19-1, the second shell lug 19-2 and the third shell lug 19-3 is effectively adapted; thirdly, the height of the second cutting drum 15-2 is conveniently adjusted by the first push-pull oil cylinder 18-1.
in the embodiment, the second coupling assembly 6 is provided for the first purpose of being in transmission connection with the first right rocker arm transmission part 5 and the second right rocker arm transmission part 7, so that the output power of the cutting motor 1 is transmitted to the second cutting drum 15-2 through the first right rocker arm transmission part 5, the second coupling assembly 6 and the second right rocker arm transmission part 7 in sequence, and the cutting coal mining of the second cutting drum 15-2 is realized; secondly, the connection between the second rocker arm shell 16-2 and the machine body shell 19 is realized, and the installation of a third rocker arm shell lug seat 16-2-1, a fourth rocker arm shell lug seat 16-2-2, a fourth shell lug seat 19-4, a fifth shell lug seat 19-5 and a sixth shell lug seat 19-6 is effectively adapted; thirdly, the height of the second cutting drum 15-2 is conveniently adjusted by the second push-pull oil cylinder 18-2.
In the embodiment, the first push-pull oil cylinder 18-1 and the second push-pull oil cylinder 18-2 are upper oil cylinders, and the first push-pull oil cylinder 18-1 and the second cutting drum 15-2 are lifted by the upper oil cylinders, so that the lower space of a machine body is not occupied, the coal passing space at the bottom of a coal mining machine is increased, and the adaptability of the coal mining machine is improved.
in the embodiment, during specific connection, the first-stage left planetary reducer 12-1 is in transmission connection with the third left rocker arm transmission shaft 4-5, the second-stage left planetary reducer 13-1 is in transmission connection with the first cutting drum 15-1 through a spline, the first-stage right planetary reducer 12-2 is in transmission connection with the third right rocker arm transmission shaft 7-5, and the second-stage right planetary reducer 13-2 is in transmission connection with the second cutting drum 15-2 through a spline.
in this embodiment, the first stage left planetary reducer 12-1, the second stage left planetary reducer 13-1, the first stage right planetary reducer 12-2, and the second stage right planetary reducer 13-2 may all be NWG planetary reducers.
Fig. 7 shows a method for mining coal from a thin coal seam by cutting with a short-body thin coal seam mining machine, which comprises the following steps:
Step one, adjusting a short-machine-body thin coal seam coal mining machine:
Moving the short-body thin seam coal mining machine to a coal mining working face, adjusting a first cutting rocker arm to the coal mining height through a first push-pull oil cylinder 18-1, and adjusting a second cutting rocker arm to the coal mining height through a second push-pull oil cylinder 18-2;
Step two, cutting the thin coal seam:
step 201, operating the cutting motor 1 to rotate, wherein the cutting motor 1 rotates through the transmission shaft 8, the synchronous shaft 9 and the synchronous gear 10 drive the first left cutting transmission shaft 2-1 and the first left cutting transmission gear 2-1-1 to rotate, the first left cutting transmission gear 2-1-1 rotates to drive the second left cutting transmission gear 2-2-1 to rotate, the second left cutting transmission gear 2-2-1 rotates to drive the third left cutting transmission gear 2-3-1 to rotate, the third left cutting transmission gear 2-3-1 rotates to drive the fourth left cutting transmission gear 2-4-1 to rotate, the fourth left cutting transmission gear 2-4-1 rotates to drive the fifth left cutting transmission gear 2-5-1 to rotate, and the fifth left cutting transmission gear 2-5-1 rotates to drive the second left cutting transmission shaft 2-5 to rotate; meanwhile, the synchronous gear 10 drives the first right cutting transmission gear 5-1-1 to rotate, the first right cutting transmission gear 5-1-1 rotates to sequentially drive the second right cutting transmission gear 5-2-1, the third right cutting transmission gear 5-3-1, the fourth right cutting transmission gear 5-4-1 and the fifth right cutting transmission gear 5-5-1 to rotate, the fifth right cutting transmission gear 5-5-1 rotates to drive the sixth right cutting transmission gear 5-6-1 to rotate, and the sixth right cutting transmission gear 5-6-1 rotates to drive the second right cutting transmission shaft 5-6 to rotate;
step 202, rotating a second left cutting transmission shaft 2-5 to drive a first coupler assembly 3 to rotate, and simultaneously rotating a second right cutting transmission shaft 5-6 to drive a second coupler assembly 6 to rotate;
Step 203, the first coupler assembly 3 rotates to drive the first left rocker arm transmission shaft 4-1 to rotate, the first left rocker arm transmission shaft 4-1 rotates to drive the first left rocker arm transmission gear 4-1-1 to rotate, the first left rocker arm transmission gear 4-1 rotates to drive the second left rocker arm transmission gear 4-2-1 to rotate, the second left rocker arm transmission gear 4-2-1 rotates to drive the third left front rocker arm transmission gear 4-3-1 to rotate, the third left front rocker arm transmission gear 4-3-1 rotates to drive the second left rocker arm transmission shaft 4-3 to rotate, the second left rocker arm transmission shaft 4-3 rotates to drive the third left rear rocker arm transmission gear 4-3-2 to rotate, the third left rear rocker arm transmission gear 4-3-2 rotates to drive the fourth left rocker arm transmission gear 4-4-1 to rotate, the fourth left rocker arm transmission gear 4-4-1 rotates to drive the fifth left rocker arm transmission gear 4-5-1 to rotate, and the fifth left rocker arm transmission gear 4-5-1 rotates to drive the third left rocker arm transmission shaft 4-5 to rotate; meanwhile, the second coupler assembly 6 rotates to drive the first right rocker arm transmission shaft 7-1 to rotate, the first right rocker arm transmission shaft 7-1 rotates to drive the first right rocker arm transmission gear to rotate, the first right rocker arm transmission gear rotates to drive the second right rocker arm transmission gear to rotate, the second right rocker arm transmission gear rotates to drive the third right front rocker arm transmission gear to rotate, the third right front rocker arm transmission gear rotates to drive the second right rocker arm transmission shaft 7-3 to rotate, the second right rocker arm transmission shaft 7-3 rotates to drive the third right rear rocker arm transmission gear to rotate, the third right rear rocker arm transmission gear rotates to drive the fourth right rocker arm transmission gear to rotate, the fourth right rocker arm transmission gear rotates to drive the fifth right rocker arm transmission gear to rotate, and the fifth right rocker arm transmission gear rotates to drive the third right rocker arm transmission shaft 7-5 to rotate;
step 204, the third left rocker arm transmission shaft 4-5 rotates to drive the first cutting drum 15-1 to rotate through the first-stage left planetary reducer 12-1 and the second-stage left planetary reducer 13-1, and meanwhile, the third right rocker arm transmission shaft 7-5 rotates to drive the second cutting drum 15-2 to rotate through the first-stage right planetary reducer 12-2 and the second-stage right planetary reducer 13-2, so that coal is cut for the thin coal seam, and cutting of the thin coal seam is achieved;
and step three, repeating the step one and the step two for many times until the mining of the whole coal face is completed.
as shown in fig. 6, in the present embodiment, the second cooling mechanism includes an upper cooling mechanism 21-1 and a lower cooling mechanism 21-2, the upper cooling mechanism 21-1 and the lower cooling mechanism 21-2 have the same structure, each of the upper cooling mechanism 21-1 and the lower cooling mechanism 21-2 includes a mounting seat 21-1-1 mounted on the gear box, a mounting shaft 21-1-2 clamped between the mounting seat 21-1-1 and the gear box, and a cooling coil 21-1-3 sleeved on the mounting shaft 21-1-2, an inlet of the cooling coil 21-1-3 is connected to the water supply component, and an outlet of the cooling coil 21-1-3 is communicated with the out-of-rocker spray head 20 through a hose;
The first cooling mechanism comprises a cooling water pipe 14 arranged in the first cutting drum 15-1 and the second cutting drum 15-2 in a penetrating mode, the inlet of the cooling water pipe 14 is connected with the water supply part, and the outlet of the cooling water pipe 14 is connected with a cooling interface of the cutting drums.
as shown in fig. 4 and 5, in the present embodiment, the water supply component includes a water supply main 23 disposed in the first rocker arm housing 16-1, a water separator 24 connected to the water supply main 23, and a first joint seat 26-1, a second joint seat 26-2, and a third joint seat 26-3 communicated with the water separator 24;
The inlet of the water separator 24 is connected with the water supply main 23, the water separator 24 is provided with three water passages, each water passage is provided with a throttling screw 25, the first joint seat 26-1 is connected with the inlet of the cooling coil 21-1-3 in the upper cooling mechanism 21-1 through a hose, the third joint seat 26-3 is connected with the inlet of the cooling coil 21-1-3 in the lower cooling mechanism 21-2 through a hose, and the second joint seat 26-2 is communicated with the cooling water pipe 14 through a hose.
In this embodiment, in the process of cutting coal from a thin coal seam by the rotation of the first cutting drum 15-1 and the second cutting drum 15-2, the specific cooling process is as follows:
The low-temperature water provided by the water supply part enters the cooling coil pipe 21-1-3, so that the upper cooling mechanism 21-1 and the lower cooling mechanism 21-2 cool the second left rocker arm transmission part 4 in the first rocker arm shell 16-1 and the second right rocker arm transmission part 7 in the second rocker arm shell 16-2, and the spraying and dust removal are carried out through the rocker arm outer spray head 20;
meanwhile, the low-temperature water provided by the water supply component cools the first cutting drum 15-1 and the second cutting drum 15-2 through the cooling water pipe 14.
in this embodiment, the temperature of the low-temperature water is not more than 25 ℃.
in the embodiment, the diameters of the first left rocker arm transmission gear 4-1-1, the third left front rocker arm transmission gear 4-3-1, the third left rear rocker arm transmission gear 4-3-2, the second left rocker arm transmission gear 4-2-1, the fifth left rocker arm transmission gear 4-5-1 and the fourth left rocker arm transmission gear 4-4-1 are sequentially increased.
in this embodiment, the first rocker arm housing 16-1 and the first rocker arm housing 16-1 are collectively referred to as rocker arm housings.
In this embodiment, the upper cooling mechanism 21-1 is located in a region above and near the top of the rocker arm housing between the second left rocker arm drive shaft 4-3 and the second left rocker arm idler shaft 4-4, and the lower cooling mechanism 21-2 is located in a region below and near the bottom of the rocker arm housing between the second left rocker arm drive shaft 4-3 and the second left rocker arm idler shaft 4-4.
In this embodiment, in the actual cooling process, the low-temperature water in the upper cooling mechanism 21-1 is cooled and then sprayed out through the outer rocker arm spraying head 20 for spray dust removal, and meanwhile, the low-temperature water in the lower cooling mechanism 21-1 is cooled and then enters the outer rocker arm spraying head 20 through the hose, and finally is sprayed out through the outer rocker arm spraying head 20 for spray dust removal.
In this embodiment, it should be noted that the cooling water pipe 14 is a stainless steel water pipe, the cooling water pipe 14 sequentially penetrates through the second left cutting transmission shaft 2-5, the first-stage left planetary reducer 12-1 and the second-stage left planetary reducer 13-1, the gear box is provided with a central water channel seat 27, an inlet end of the cooling water pipe 14 is rotatably mounted on the central water channel seat 27 through a bearing so that the cooling water pipe 14 can rotate along with the rocker roller, and the central water channel seat 27 is provided with an inlet joint which is communicated with the second joint seat 26-2 through a hose.
in this embodiment, it should be noted that the center of the synchronous gear 10 is lower than the centers of the first left cutting transmission gear 2-1-1 and the first right cutting transmission gear 5-1-1, the centers of the second left cutting transmission gear 2-2-1, the third left cutting transmission gear 2-3-1, the fourth left cutting transmission gear 2-4-1, the second right cutting transmission gear 5-2-1, the third right cutting transmission gear 5-3-1, the fourth right cutting transmission gear 5-4-1 and the fifth right cutting transmission gear 5-5-1 are located on the same horizontal straight line, the center of the second left cutting transmission gear 2-2-1 is higher than the center of the first left cutting transmission gear 2-1-1 and lower than the center of the fifth left cutting transmission gear 2-5-1, the center of the second right cutting transmission gear 5-2-1 is higher than that of the first right cutting transmission gear 5-1-1 and lower than that of the sixth left cutting transmission gear.
In conclusion, the coal mining machine is reasonable in design, the cutting motor is placed in the machine body shell and does not swing along with the rocker arm, the impact load bearing effect of the cutting motor is reduced, the rocker arms on the two sides are driven through the split-flow transmission, the length of the coal mining machine is greatly shortened, and the adaptability of the coal mining machine is greatly improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the compensation scope of the technical solution of the present invention.
Claims (10)
1. the utility model provides a short fuselage thin seam coal cutter which characterized in that: the cutting machine comprises a machine body shell (19), a first cutting rocker arm arranged at one end of the machine body shell (19) and a second cutting rocker arm arranged at the other end of the machine body shell (19), wherein the first cutting rocker arm comprises a first rocker arm shell (16-1), a first cutting drum (15-1) arranged at the end part of the first rocker arm shell (16-1) and a first transmission mechanism which is in transmission connection with a cutting motor (1) and drives the first cutting rocker arm to rotate, the second cutting rocker arm comprises a second rocker arm shell (16-2), a second cutting drum (15-2) arranged at the end part of the second rocker arm shell (16-2) and a second transmission mechanism which is in transmission connection with the cutting motor (1) and drives the second cutting rocker arm to rotate, and the first transmission mechanism comprises a first left rocker arm transmission part (2), a second left rocker arm transmission part (15-2) and a second transmission mechanism which are in transmission connection in sequence, The cutting machine comprises a first coupler assembly (3) and a second left rocker arm transmission part (4), wherein the first left rocker arm transmission part (2) is in transmission connection with an output shaft of a cutting motor (1), the second left rocker arm transmission part (3) is in transmission connection with a first cutting drum (15-1), the second transmission mechanism comprises a first right rocker arm transmission part (5), a second coupler assembly (6) and a second right rocker arm transmission part (7) which are in transmission connection in sequence, the first right rocker arm transmission part (5) is in transmission connection with the output shaft of the cutting motor (1), and the second right rocker arm transmission part (7) is in transmission connection with the second cutting drum (15-2); a first push-pull oil cylinder (18-1) connected with the first rocker arm shell (16-1) and a second push-pull oil cylinder (18-2) connected with the second rocker arm shell (16-1) are arranged on the machine body shell (19); the cutting machine is characterized in that a first cooling mechanism is arranged in each of the first cutting drum (15-1) and the second cutting drum (15-2), a second cooling mechanism and a water supply part for supplying low-temperature water to the first cooling mechanism and the second cooling mechanism are arranged in each of the first rocker arm shell (16-1) and the second rocker arm shell (16-2), and a plurality of rocker arm outer spray heads (20) are arranged on each of the first rocker arm shell (16-1) and the second rocker arm shell (16-2).
2. a short body low seam shearer according to claim 1, characterized in that: the first left rocker arm transmission part (2) comprises a first left cutting transmission mechanism, a second left cutting transmission mechanism, a third left cutting transmission mechanism, a fourth left cutting transmission mechanism and a fifth left cutting transmission mechanism which are sequentially connected in a transmission manner; the second left rocker arm transmission part (4) comprises a first left rocker arm transmission mechanism, a second left rocker arm transmission mechanism, a third left rocker arm transmission mechanism, a fourth left rocker arm transmission mechanism and a fifth left rocker arm transmission mechanism which are sequentially in transmission connection, the first left cutting transmission mechanism is in transmission connection with the cutting motor (1), the fifth left cutting transmission mechanism is in transmission connection with one end of the first coupler assembly (3), the first left rocker arm transmission mechanism is in transmission connection with the other end of the first coupler assembly (3), and the fifth left rocker arm transmission mechanism is in transmission connection with the first cutting drum (15-2);
The first right rocker arm transmission part (5) comprises a first right cutting transmission mechanism, a second right cutting transmission mechanism, a third right cutting transmission mechanism, a fourth right cutting transmission mechanism, a fifth right cutting transmission mechanism and a sixth right cutting transmission mechanism which are sequentially connected in a transmission manner; the second right rocker arm transmission part (7) comprises a first right rocker arm transmission mechanism, a second right rocker arm transmission mechanism, a third right rocker arm transmission mechanism, a fourth right rocker arm transmission mechanism and a fifth right rocker arm transmission mechanism which are sequentially in transmission connection, the first right cutting transmission mechanism is in transmission connection with the cutting motor (1), the sixth right cutting transmission mechanism is in transmission connection with one end of the second coupler assembly (6), the first right rocker arm transmission mechanism is in transmission connection with the other end of the second coupler assembly (6), and the fifth right rocker arm transmission mechanism is in transmission connection with the second cutting drum (15-2).
3. A short body low seam shearer according to claim 2, characterized in that: a transmission shaft (8) is connected to an output shaft of the cutting motor (1) in a transmission manner, a synchronous shaft (9) is arranged at one end, away from the output shaft of the cutting motor (1), of the transmission shaft (8), and a synchronous gear (10) is arranged on the synchronous shaft (9);
the first left cutting transmission mechanism comprises a first left cutting transmission shaft (2-1) and a first left cutting transmission gear (2-1-1) arranged on the first left cutting transmission shaft (2-1), the second left cutting transmission mechanism comprises a first left idler shaft (2-2) arranged in the machine body shell (19) and a second left cutting transmission gear (2-2-1) sleeved on the first left idler shaft (2-2), the third left cutting transmission mechanism comprises a second left idler shaft (2-3) arranged in the machine body shell (19) and a third left cutting transmission gear (2-3-1) sleeved on the second left idler shaft (2-3), the fourth left cutting transmission mechanism comprises a third left idler shaft (2-4) arranged in the machine body shell (19) and a third left cutting transmission gear (2-3-1) sleeved on the third left idler shaft (2-4), and the fourth left cutting transmission mechanism comprises a third left idler shaft (2-4) arranged in the machine body shell (19) and a third left idler shaft (2-4) A fourth left cutting transmission gear (2-4-1), wherein the fifth left cutting transmission mechanism comprises a second left cutting transmission shaft (2-5) and a fifth left cutting transmission gear (2-5-1) sleeved on the second left cutting transmission shaft (2-5);
The first right cutting transmission mechanism comprises a first right cutting transmission shaft (5-1) and a first right cutting transmission gear (5-1-1) arranged on the first right cutting transmission shaft (5-1), the second right cutting transmission mechanism comprises a first right idler shaft (5-2) arranged in the machine body shell (19) and a second right cutting transmission gear (5-2-1) sleeved on the first right idler shaft (5-2), the third right cutting transmission mechanism comprises a second right idler shaft (5-3) arranged in the machine body shell (19) and a third right cutting transmission gear (5-3-1) sleeved on the second right idler shaft (5-3), the fourth right cutting transmission mechanism comprises a third right idler shaft (5-4) arranged in the machine body shell (19) and a third right cutting transmission gear (5-3-1) sleeved on the third right idler shaft (5-4), and the fourth right cutting transmission mechanism comprises a third right idler shaft (5-4) arranged in the machine body shell (19) and a third right idler shaft (5-4) A fourth right cutting transmission gear (5-4-1), the fifth right cutting transmission mechanism comprises a fourth right idler shaft (5-5) arranged in the machine body shell (19) and a fifth right cutting transmission gear (5-5-1) sleeved on the fourth right idler shaft (5-5), the sixth right cutting transmission mechanism comprises a second right cutting transmission shaft (5-6) and a sixth right cutting transmission gear (5-6-1) sleeved on the second right cutting transmission shaft (5-6), the first left cutting transmission gear (2-1-1) and the first right cutting transmission gear (5-1-1) are both meshed with the synchronous gear (10), and the second left cutting transmission shaft (2-5) is in transmission connection with the first coupler assembly (3), the second right cutting transmission shaft (5-6) is in transmission connection with the second coupling assembly (6);
the cutting device comprises a first left cutting transmission gear (2-1-1), a second left cutting transmission gear (2-2-1), a third left cutting transmission gear (2-3-1), a fourth left cutting transmission gear (2-4-1) and a fifth cutting transmission gear, wherein the first left cutting transmission gear (2-1-1), the third left cutting transmission gear (2-3-1), the fourth left cutting transmission gear (2-4-1) and the fifth cutting transmission gear are sequentially meshed and connected, and the first right cutting transmission gear (5-1-1), the second right cutting transmission gear (5-2-1), the third right cutting transmission gear (5-3-1), the fourth right cutting transmission gear (5-4-1), the fifth cutting transmission gear and the sixth cutting transmission gear are sequentially meshed.
4. A short body low seam shearer according to claim 1, characterized in that: the structure of the first coupler assembly (3) is the same as that of the second coupler assembly (6), and the first coupler assembly (3) and the second coupler assembly (6) respectively comprise a driving shaft (3-1) and a driven shaft (3-2) fixedly connected with the driving shaft (3-1).
5. A short body low seam shearer according to claim 2, characterized in that: the first left rocker arm transmission mechanism comprises a first left rocker arm transmission shaft (4-1) and a first left rocker arm transmission gear (4-1-1) sleeved on the first left rocker arm transmission shaft (4-1), the second left rocker arm transmission mechanism comprises a first left rocker arm idler shaft (4-2) and a second left rocker arm transmission gear (4-2-1) sleeved on the first left rocker arm idler shaft (4-2), the third left rocker arm transmission mechanism comprises a second left rocker arm transmission shaft (4-3), a third left front rocker arm transmission gear (4-3-1) and a third left rear rocker arm transmission gear (4-3-2) sleeved on the second left rocker arm transmission shaft (4-3), and the third left front rocker arm transmission gear (4-3-1) is in meshing transmission connection with the second left rocker arm transmission gear (4-2-1), the fourth left rocker arm transmission mechanism comprises a second left rocker arm idler shaft (4-4) and a fourth left rocker arm transmission gear (4-4-1) sleeved on the second left rocker arm idler shaft (4-4), the fifth left rocker arm transmission mechanism comprises a third left rocker arm transmission shaft (4-5) and a fifth left rocker arm transmission gear (4-5-1) sleeved on the third left rocker arm transmission shaft (4-5), the first left rocker arm transmission gear (4-1-1) is meshed with the second left rocker arm transmission gear (4-2-1), the third left rear rocker arm transmission gear (4-3-2), the fourth left rocker arm transmission gear (4-4-1) and the fifth left rocker arm transmission gear (4-5-1) are sequentially connected in a meshed manner;
the first right rocker arm transmission mechanism comprises a first right rocker arm transmission shaft (7-1) and a first right rocker arm transmission gear sleeved on the first right rocker arm transmission shaft (7-1), the second right rocker arm transmission mechanism comprises a first right rocker arm idler shaft (7-2) and a second right rocker arm transmission gear sleeved on the first right rocker arm idler shaft (7-2), the third right rocker arm transmission mechanism comprises a second right rocker arm transmission shaft (7-3), a third right front rocker arm transmission gear and a third right rear rocker arm transmission gear which are sleeved on the second right rocker arm transmission shaft (7-3), the third front rocker arm transmission gear is in meshing transmission connection with the second right rocker arm transmission gear, the third rocker arm transmission gear and the third right rocker arm transmission shaft (7-3) are integrally formed, and the fourth right rocker arm transmission mechanism comprises a second right rocker arm idler shaft (7-4) and a second right rocker arm idler shaft (7-4) The fourth right rocker arm transmission gear is arranged on the shaft (7-4), the fifth right rocker arm transmission mechanism comprises a third right rocker arm transmission shaft (7-5) and a fifth right rocker arm transmission gear sleeved on the third right rocker arm transmission shaft (7-5), the first right rocker arm transmission gear is meshed with the second right rocker arm transmission gear, and the third right rear rocker arm transmission gear, the fourth right rocker arm transmission gear and the fifth right rocker arm transmission gear are sequentially meshed and connected.
6. a short body low seam shearer according to claim 1, characterized in that: the first cutting drum (15-1) is internally provided with a first speed reducing mechanism, the first speed reducing mechanism comprises a first-stage left planetary speed reducer (12-1) and a second-stage left planetary speed reducer (13-1) which are sequentially in transmission connection with the output end of the second left rocker arm transmission part (4), the second cutting drum (15-2) is internally provided with a second speed reducing mechanism, and the second speed reducing mechanism comprises a first-stage right planetary speed reducer (12-2) and a second-stage right planetary speed reducer (13-2) which are sequentially in transmission connection with the output end of the second right rocker arm transmission part (7).
7. A method of mining low seam coal by cutting with a shearer according to claim 1, characterized in that the method comprises the steps of:
Step one, adjusting a short-machine-body thin coal seam coal mining machine:
moving the short-body thin seam coal mining machine to a coal mining working face, adjusting a first cutting rocker arm to the coal mining height through a first push-pull oil cylinder (18-1), and adjusting a second cutting rocker arm to the coal mining height through a second push-pull oil cylinder (18-2);
step two, cutting the thin coal seam:
step 201, operating a cutting motor (1) to rotate, wherein the cutting motor (1) rotates to sequentially drive a first left cutting transmission mechanism, a second left cutting transmission mechanism, a third left cutting transmission mechanism, a fourth left cutting transmission mechanism and a fifth left cutting transmission mechanism in a first left rocker arm transmission part (2) to rotate, and simultaneously, the cutting motor (1) rotates to sequentially drive a first right cutting transmission mechanism, a second right cutting transmission mechanism, a third right cutting transmission mechanism, a fourth right cutting transmission mechanism, a fifth right cutting transmission mechanism and a sixth right cutting transmission mechanism in a first right rocker arm transmission part (5) to rotate;
Step 202, the fifth left cutting transmission mechanism rotates to drive the first coupler component (3) to rotate, meanwhile, the sixth right cutting transmission mechanism rotates to drive the second coupler component (6) to rotate,
step 203, the first coupler component (3) rotates to sequentially drive the first left rocker arm transmission mechanism, the second left rocker arm transmission mechanism, the third left rocker arm transmission mechanism, the fourth left rocker arm transmission mechanism and the fifth left rocker arm transmission mechanism to rotate, and meanwhile, the second coupler component (6) rotates to sequentially drive the first right rocker arm transmission mechanism, the second right rocker arm transmission mechanism, the third right rocker arm transmission mechanism, the fourth right rocker arm transmission mechanism and the fifth right rocker arm transmission mechanism to rotate;
204, the fifth left rocker arm transmission mechanism rotates to drive the first cutting drum (15-1) to rotate through the first-stage left planetary reducer (12-1) and the second-stage left planetary reducer (13-1), and simultaneously, the fifth right rocker arm transmission mechanism rotates to drive the second cutting drum (15-2) to rotate through the first-stage right planetary reducer (12-2) and the second-stage right planetary reducer (13-2), so that coal is cut for the thin coal seam, and cutting of the thin coal seam is realized;
And step three, repeating the step one and the step two for many times until the mining of the whole coal face is completed.
8. The method of claim 7, wherein: the second cooling mechanism comprises an upper cooling mechanism (21-1) and a lower cooling mechanism (21-2), the upper cooling mechanism (21-1) and the lower cooling mechanism (21-2) have the same structure, the upper cooling mechanism (21-1) and the lower cooling mechanism (21-2) respectively comprise a mounting seat (21-1-1) arranged on the gear box, a mounting shaft (21-1-2) clamped between the mounting seat (21-1-1) and the gear box and a cooling coil pipe (21-1-3) sleeved on the mounting shaft (21-1-2), the inlet of the cooling coiled pipe (21-1-3) is connected with the water supply part, and the outlet of the cooling coiled pipe (21-1-3) is communicated with the rocker arm outer spray head (20) through a hose;
The first cooling mechanism comprises a cooling water pipe (14) which is arranged in the first cutting drum (15-1) and the second cutting drum (15-2) in a penetrating mode, an inlet of the cooling water pipe (14) is connected with the water supply part, and an outlet of the cooling water pipe (14) is connected with a cooling interface of the cutting drums.
9. the method of claim 8, wherein: the water supply component comprises a water supply main pipe (23) arranged in the first rocker arm shell (16-1), a water distributor (24) connected with the water supply main pipe (23), and a first joint seat (26-1), a second joint seat (26-2) and a third joint seat (26-3) which are communicated with the water distributor (24);
The inlet of the water separator (24) is connected with a water supply main pipe (23), three water pipelines are arranged on the water separator (24), a throttling screw rod (25) is arranged on each water pipeline, the first joint seat (26-1) is connected with the inlet of a cooling coil pipe (21-1-3) in the upper cooling mechanism (21-1) through a hose, the third joint seat (26-3) is connected with the inlet of the cooling coil pipe (21-1-3) in the lower cooling mechanism (21-2) through a hose, and the second joint seat (26-2) is communicated with the cooling water pipe (14) through a hose.
10. the method of claim 8, wherein: in the process of cutting coal from the thin coal seam by rotating the first cutting drum (15-1) and the second cutting drum (15-2), the cooling process is as follows:
the low-temperature water provided by the water supply part enters a cooling coil pipe (21-1-3) so that an upper cooling mechanism (21-1) and a lower cooling mechanism (21-2) cool a second left rocker arm transmission part (4) in a first rocker arm shell (16-1) and a second right rocker arm transmission part (7) in a second rocker arm shell (16-2), and spray dust removal is carried out through a rocker arm outer spray head (20);
meanwhile, the low-temperature water provided by the water supply part cools the first cutting drum (15-1) and the second cutting drum (15-2) through the cooling water pipe (14).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287185A (en) * | 2011-07-16 | 2011-12-21 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
| CN102434155A (en) * | 2011-09-26 | 2012-05-02 | 三一重型装备有限公司 | Coal cutter and rocker arm transmission system thereof |
| CN102644461A (en) * | 2012-05-07 | 2012-08-22 | 中国矿业大学 | Double-motor U-shaped cutting portion of thin seam mining machine |
| CN108952721A (en) * | 2018-08-23 | 2018-12-07 | 江苏中机矿山设备有限公司 | A kind of adaptable low seam mining machinery and coal-mining method |
| CN210738556U (en) * | 2019-09-26 | 2020-06-12 | 西安煤矿机械有限公司 | Short-body thin coal seam coal mining machine |
-
2019
- 2019-09-26 CN CN201910917392.0A patent/CN110552698B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287185A (en) * | 2011-07-16 | 2011-12-21 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
| CN102434155A (en) * | 2011-09-26 | 2012-05-02 | 三一重型装备有限公司 | Coal cutter and rocker arm transmission system thereof |
| CN102644461A (en) * | 2012-05-07 | 2012-08-22 | 中国矿业大学 | Double-motor U-shaped cutting portion of thin seam mining machine |
| CN108952721A (en) * | 2018-08-23 | 2018-12-07 | 江苏中机矿山设备有限公司 | A kind of adaptable low seam mining machinery and coal-mining method |
| CN210738556U (en) * | 2019-09-26 | 2020-06-12 | 西安煤矿机械有限公司 | Short-body thin coal seam coal mining machine |
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