CN111396044A - Coal mining machine antiskid for coal mine - Google Patents
Coal mining machine antiskid for coal mine Download PDFInfo
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- CN111396044A CN111396044A CN202010154479.XA CN202010154479A CN111396044A CN 111396044 A CN111396044 A CN 111396044A CN 202010154479 A CN202010154479 A CN 202010154479A CN 111396044 A CN111396044 A CN 111396044A
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- mining machine
- coal mining
- coal
- gear
- pawl
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- 239000003245 coal Substances 0.000 title claims abstract description 79
- 238000005065 mining Methods 0.000 title claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
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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)
- Harvesting Machines For Root Crops (AREA)
Abstract
The invention discloses an anti-skid device of a coal mining machine for a coal mine, which comprises a shell, wherein a hydraulic cylinder is arranged above the shell, the upper end of the hydraulic cylinder is connected with a coal mining machine body, a controller is arranged in the shell, two anti-skid mechanisms are symmetrically distributed on two sides of the controller, and the anti-skid mechanisms realize an anti-skid effect through the matching of anti-skid tooth heads arranged at the lower end and pin rows of a conveyor. According to the invention, through the matching of the ratchet wheel and the pawl, when the coal mining machine slips down, the ratchet wheel and the pawl are matched to press the anti-slip gear into the pin row to be clamped, so that the slipping down of the coal mining machine is prevented, the situation that the coal mining machine slips down in the mining process is avoided, the safe production of a working face is ensured, the whole structure is simple, and the working reliability is high.
Description
Technical Field
The invention relates to the technical field of coal mining equipment, in particular to an anti-skidding device of a coal mining machine for a coal mine.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, and is formed by gradually piling luxuriant plants growing in a certain geological age into a thick layer in a proper geological environment, burying the thick layer in the water bottom or sediment and performing natural coalification in a long geological age.
The coal mining machine is one of important equipment for realizing mechanization and modernization of coal mine production, the mechanical coal mining can reduce physical labor, improve safety and achieve the purposes of high yield, high efficiency and low consumption, but when the coal mining machine is used for mining a coal bed with a large coal bed inclination angle, particularly a working face with a large underground mining height and a large inclination angle, due to the fact that the self weight of the coal mining machine is large, the coal mining machine can slide downwards along the inclination angle direction of the working face due to the downward sliding force generated under the action of gravity, if the sliding cannot be stopped, serious safety accidents can occur, equipment is damaged slightly, the working face stops production, and people are more likely to be injured and killed, so that loss which cannot be compensated is caused.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide the coal mining machine anti-skidding device for the coal mine, which can prevent the coal mining machine from sliding downwards in the mining process, ensure the safe production of a working face and has high working reliability.
In order to achieve the purpose, the anti-skid device of the coal mining machine for the coal mine comprises a shell, a hydraulic cylinder is arranged above the shell, the upper end of the hydraulic cylinder is connected with a coal mining machine body, a controller is arranged in the shell, two anti-skid mechanisms are symmetrically distributed on two sides of the controller, each anti-skid mechanism comprises a motor electrically connected with the controller, an output shaft of the motor is connected with a swing rod, the lower end of the swing rod is provided with a rotating shaft, a gear and a ratchet wheel which rotate synchronously are arranged on the rotating shaft, a pawl is arranged on one side of the gear, one end of the pawl is matched with the ratchet wheel, the other end of the pawl is hinged with an anti-skid shaft, the middle part of the pawl is movably connected with a hinge shaft, a first limit box is further arranged on one side of the gear, the lower end of the anti-skid shaft vertically penetrates through the first limit, the limiting block is fixed on the anti-skidding shaft, a first elastic piece and a second elastic piece are respectively arranged on the upper side and the lower side of the limiting block, a second limiting box which is just opposite to the first limiting box in arrangement is arranged below the shell, two sliding shafts are arranged in the second limiting box, a limiting plate is connected between the two sliding shafts in a sliding mode, the lower end of the anti-skidding shaft is fixedly connected with the limiting plate, and an anti-skidding tooth head is arranged below the limiting plate.
The ratchet wheel is smaller than the gear, and the ratchet wheel is fixedly connected with the gear.
And two ends of the articulated shaft are respectively fixed on the inner walls of two sides of the shell.
The gear is matched with a pin row of the conveyor.
The first elastic piece and the second elastic piece are both sleeved on the anti-skid shaft.
When the gear is not rotating, the pawl is parallel to the pin row of the conveyor.
The anti-skidding tooth heads are two, and the two anti-skidding tooth heads can be clamped into a pin row of the conveyor.
A chamber for accommodating the gear is provided in the middle of the housing.
When the pawl is parallel to the pin row of the conveyor, the anti-skid tooth head is positioned inside the second limit box.
When the gear is meshed with the pin row of the conveyor, a space is reserved between the second limit box and the pin row of the conveyor.
The invention has the following beneficial effects:
according to the invention, through the matching of the ratchet wheel and the pawl, when the coal mining machine normally mines coal, the ratchet wheel and the pawl cannot be mutually clamped, when the coal mining machine slips down, the ratchet wheel and the pawl are clamped to drive one end of the pawl to move upwards, so that the other end of the pawl is pressed downwards, the anti-skid gear is further pressed into the pin row to be clamped, the slipping of the coal mining machine is prevented, the situation that the coal mining machine slips down in the mining process is avoided, the safe production of a working face is ensured, and the working reliability is high.
Drawings
Fig. 1 is a schematic structural view of an antiskid device of a coal mining machine for coal mines in embodiment 1;
fig. 2 is an operating state diagram of an antiskid device of a coal mining machine for coal mines according to embodiment 1;
fig. 3 is another working state diagram of the antiskid device of the coal mining machine for coal mines in the embodiment 1.
In the figure: the device comprises a shell 1, a hydraulic cylinder 2, a controller 3, a motor 4, a swing rod 5, a rotating shaft 6, a gear 7, a ratchet wheel 8, a pawl 9, an anti-skidding shaft 10, a hinge shaft 11, a first limiting box 12, a limiting block 13, a first elastic element 14, a second elastic element 15, a second limiting box 16, a sliding shaft 17, a limiting block 18, an anti-skidding gear 19 and a pin row 20.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1:
as shown in fig. 1, the coal mining machine antiskid device for coal mines provided by this embodiment includes a housing 1, a hydraulic cylinder 2 is disposed above the housing 1, the upper end of the hydraulic cylinder 2 is connected to a coal mining machine body, a controller 3 is disposed in the housing 1, two antiskid mechanisms are symmetrically disposed on two sides of the controller 3, each antiskid mechanism includes a motor 4 electrically connected to the controller 3, an output shaft of the motor 4 is connected to a swing rod 5, a rotating shaft 6 is disposed at the lower end of the swing rod 5, a gear 7 and a ratchet 8 which rotate synchronously are disposed on the rotating shaft 6, a pawl 9 is disposed on one side of the gear 7, one end of the pawl 9 is matched with the ratchet 8, the other end is hinged to an antiskid shaft 10, a hinge shaft 11 is movably connected to the middle of the pawl 9, a first limit box 12 is further disposed on one side of the gear 7, the lower end of the antiskid shaft 10 vertically passes through the first limit box 12 and extends out of, be equipped with a stopper 13 in first stopper case 12, stopper 13 is fixed on anti-skidding axle 10, is equipped with first elastic component 14 and second elastic component 15 respectively in the upper and lower both sides of stopper 13, is equipped with in casing 1 below just to the second stopper case 16 of arranging with first stopper case 12, is equipped with two slide shafts 17 in second stopper case 16, and sliding connection has a limiting plate 18 between two slide shafts 17, the lower extreme and the limiting plate 18 fixed connection of anti-skidding axle 10 are equipped with anti-skidding tooth head 19 in the below of limiting plate 18.
The ratchet wheel 8 is smaller than the gear 7, and the ratchet wheel 8 is fixedly connected with the gear 7, so that the ratchet wheel 8 and the gear 7 can rotate synchronously.
The two ends of the hinge shaft 11 are respectively fixed on the inner walls of the two sides of the shell 1, and the pawl 9 is rotatably connected in the middle of the hinge shaft 11, so that the pawl 9 can be stably matched with the ratchet wheel 8.
The gear wheel 7 cooperates with a pin row 20 of the conveyor.
The first elastic part 14 and the second elastic part 15 are sleeved on the antiskid shaft 10.
When the gear wheel 7 is not rotating, the pawl 9 is parallel to the pin row 20 of the conveyor.
The number of the anti-skidding tooth heads 19 is two, the two anti-skidding tooth heads 19 can be clamped into the pin row 20 of the conveyor, and the two anti-skidding tooth heads 19 can be clamped into two adjacent intervals on the pin row 20, so that the anti-skidding effect is achieved through locking.
A cavity for accommodating the gears 7 is arranged in the middle of the shell 1, and one of the gears 7 can be conveniently accommodated in the shell 1.
When the pawl 9 is parallel to the pin row 20 of the conveyor, the anti-slip tooth head 19 is located inside the second stopper box 16, so that the anti-slip tooth head 19 is arranged to reduce wear.
When the gear 7 is meshed with the pin row 20 of the conveyor, a space is reserved between the second limit box 16 and the pin row 20 of the conveyor, so that the second limit box 16 cannot influence the normal walking of the coal mining machine.
In the specific implementation process, as shown in fig. 2, when the pin row of the conveyor is arranged as shown in the figure, the hydraulic cylinder is controlled by the controller to work to drive the shell to be lifted, then the right-side gear is accommodated in the shell by the controller (the controller realizes the process by controlling the right-side motor to rotate, the model of the controller, the control method for controlling the hydraulic cylinder and the rotation of the two motors belong to the prior art means), then the shell is put down by the hydraulic cylinder to enable the left-side gear to be meshed with the pin row of the conveyor, when the coal mining machine mines coal upwards along an inclined angle, the ratchet wheel of the anti-skidding mechanism on the left side rotates anticlockwise, the ratchet wheel and the pawl cannot be clamped, once the coal mining machine slides downwards, the ratchet wheel and the pawl are clamped and jack up, the anti-skidding shaft is pressed down by the other end of the pawl, the second elastic element is compressed, and the anti-skidding tooth head is also ejected, thereby realizing the anti-skid function;
as shown in fig. 3, when the pin row of the mining and transporting machine is arranged as shown in the figure, the hydraulic cylinder is controlled by the controller to work, the shell is driven to be lifted, then the controller controls the left motor to rotate and store the left gear into the shell, then the shell is put down through the hydraulic cylinder, the right gear is meshed with the pin row of the transporting machine, when the coal mining machine mines coal upwards along the inclination angle, the ratchet wheel of the right anti-skid mechanism rotates clockwise and cannot be clamped with the pawl, once the coal mining machine slides downwards, the ratchet wheel and the pawl are clamped and jack up, the anti-skid shaft is pressed down by the other end of the pawl, the second elastic piece is compressed, the anti-skid tooth head can also be ejected out of the second limiting box and clamped with the pin row of the transporting machine, and therefore the anti-skid effect is achieved.
According to the invention, through the matching of the ratchet wheel and the pawl, when the coal mining machine normally mines coal, the ratchet wheel and the pawl cannot be mutually clamped, when the coal mining machine slips down, the ratchet wheel and the pawl are clamped and drive one end of the pawl to move upwards, so that the other end of the pawl is pressed downwards, the anti-slip gear is further pressed into the pin row to be clamped, and the slipping of the coal mining machine is prevented, so that the situation that the coal mining machine slips down in the mining process is avoided, the safe production of a working face is ensured, the whole structure is simple, and the working reliability is high.
Claims (10)
1. The utility model provides a coal mining machine antiskid for coal mine, includes casing (1), is equipped with pneumatic cylinder (2) in the top of casing (1), the upper end and this body coupling of coal mining machine of pneumatic cylinder (2), its characterized in that: a controller (3) is arranged in a shell (1), two anti-skid mechanisms are symmetrically distributed on two sides of the controller (3), each anti-skid mechanism comprises a motor (4) electrically connected with the controller (3), an output shaft of the motor (4) is connected with a swing rod (5), a rotating shaft (6) is arranged at the lower end of the swing rod (5), a gear (7) and a ratchet wheel (8) which synchronously rotate are arranged on the rotating shaft (6), a pawl (9) is arranged on one side of the gear (7), one end of the pawl (9) is matched with the ratchet wheel (8), an anti-skid shaft (10) is hinged to the other end of the pawl (9), a hinged shaft (11) is movably connected to the middle of the pawl (9), a first limit box (12) is further arranged on one side of the gear (7), the lower end of the anti-skid shaft (10) vertically penetrates through the first limit box (12) and extends out of the shell (1), and a limit block (13) is arranged in the, stopper (13) are fixed on anti-skidding axle (10), are equipped with first elastic component (14) and second elastic component (15) respectively in the upper and lower both sides of stopper (13), are equipped with below casing (1) with first spacing case (12) just to second spacing case (16) of arranging, are equipped with two slide shafts (17) in second spacing case (16), and sliding connection has a limiting plate (18) between two slide shafts (17), the lower extreme and limiting plate (18) fixed connection of anti-skidding axle (10) are equipped with anti-skidding tooth head (19) in the below of limiting plate (18).
2. The coal mining machine antiskid device for the coal mine according to claim 1, characterized in that: the ratchet wheel (8) is smaller than the gear (7), and the ratchet wheel (8) is fixedly connected with the gear (7).
3. The coal mining machine antiskid device for the coal mine according to claim 1 or 2, wherein: and two ends of the articulated shaft (11) are respectively fixed on the inner walls of two sides of the shell (1).
4. The coal mining machine antiskid device for the coal mine according to claim 3, characterized in that: the gear (7) is matched with a pin row (20) of the conveyor.
5. The coal mining machine antiskid device for the coal mine according to claim 4, wherein: the first elastic piece (14) and the second elastic piece (15) are sleeved on the anti-skid shaft (10).
6. The coal mining machine antiskid device for the coal mine according to claim 5, wherein: when the gear (7) is not rotating, the pawl (9) is parallel to the pin row (20) of the conveyor.
7. The coal mining machine antiskid device for the coal mine according to claim 6, wherein: the number of the anti-skidding tooth heads (19) is two, and the two anti-skidding tooth heads (19) can be clamped into a pin row (20) of the conveyor.
8. The coal mining machine antiskid device for the coal mine according to claim 7, wherein: a chamber for accommodating the gear (7) is arranged in the middle of the housing (1).
9. The coal mining machine antiskid device for the coal mine according to claim 8, wherein: when the pawl (9) is parallel to a pin row (20) of the conveyor, the anti-skid tooth head (19) is positioned inside the second limit box (16).
10. The coal mining machine antiskid device for the coal mine according to claim 9, wherein: when the gear (7) is meshed with the pin row (20) of the conveyor, a space is reserved between the second limit box (16) and the pin row (20) of the conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154479.XA CN111396044A (en) | 2020-03-08 | 2020-03-08 | Coal mining machine antiskid for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154479.XA CN111396044A (en) | 2020-03-08 | 2020-03-08 | Coal mining machine antiskid for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111396044A true CN111396044A (en) | 2020-07-10 |
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ID=71432236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010154479.XA Withdrawn CN111396044A (en) | 2020-03-08 | 2020-03-08 | Coal mining machine antiskid for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111396044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647997A (en) * | 2020-12-22 | 2021-04-13 | 临沂矿业集团有限责任公司 | Coal mining protection device based on digitization |
-
2020
- 2020-03-08 CN CN202010154479.XA patent/CN111396044A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647997A (en) * | 2020-12-22 | 2021-04-13 | 临沂矿业集团有限责任公司 | Coal mining protection device based on digitization |
| CN112647997B (en) * | 2020-12-22 | 2022-05-13 | 临沂矿业集团有限责任公司 | Coal mining protection device based on digitization |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200710 |
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| WW01 | Invention patent application withdrawn after publication |