CN212172221U - Speed reducer for preventing stalling of coal mine car - Google Patents
Speed reducer for preventing stalling of coal mine car Download PDFInfo
- Publication number
- CN212172221U CN212172221U CN201921556466.4U CN201921556466U CN212172221U CN 212172221 U CN212172221 U CN 212172221U CN 201921556466 U CN201921556466 U CN 201921556466U CN 212172221 U CN212172221 U CN 212172221U
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- oil
- mine car
- brake
- fixedly connected
- piston rod
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 5
- 239000003921 oil Substances 0.000 claims abstract description 150
- 238000003825 pressing Methods 0.000 claims abstract description 77
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 23
- 230000002265 prevention Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 5
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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Abstract
The utility model discloses a coal mine car anti-stall speed reducer, which comprises a mine car chassis, an oil pressing device arranged on the mine car chassis, an oil storage tank and a hydraulic cylinder connected with the oil pressing device, and a piston rod connected with the hydraulic cylinder and a brake pad connected with the piston rod; the mine car chassis is rotatably connected with a brake wheel and a brake driving wheel, the brake driving wheel is fixedly connected with a driving disc, the driving disc is rotatably connected with a rotating disc through a belt, and the rotating disc is rotatably connected with a pressure oil device; the oil pressing device is through advancing oil pipe fixed connection batch oil tank, presses oil device bottom fixed connection to go out oil pipe, goes out oil pipe other end fixed connection pneumatic cylinder, pneumatic cylinder swing joint piston rod, piston rod other end fixed connection brake block, this practicality is through the fast turn-round of wheel behind the mine car stall, drives the high-speed rotation of the oil pressing carousel that presses in the oil pressing device, presses the oil pressing carousel to extrude the pneumatic cylinder with hydraulic oil through centrifugal force for brake block extrusion wheel reaches the effect that the braking slows down, prevents that the mine car stall from taking place the accident.
Description
Technical Field
The utility model relates to a colliery production safety technical field especially relates to a decelerator of colliery mine car stall prevention.
Background
The mine locomotive transportation mode is characterized in that the mine locomotive is drawn into a train of mine cars, and comprises the mine cars, the mine cars and rails, 18 people involved in the safety accidents of the coal mines occurring in south Yangtze town of Leishui City of Hunan province in 2 and 16 days of 2012 are killed, 15 people are injured, and 3 people are injured, and the injured people are sent to a hospital for treatment. The accident cause is preliminarily found out by illegal operation, and the mine car is loaded by people and goods in a mixed mode. After the mine shifts, 18 miners took 8-segment long mine cars and went down the mine along the 28-degree-slope tunnel, 2 of the cars were loaded, 6 of the cars were loaded with miners, and the 6 cars loaded with miners went down about 150 meters and went off-hook and quickly went down. 3 miners thrown out of the mine car or automatically jumping out of the mine car are injured and survived, and the other 15 miners are in distress;
because coal mines are often deep underground, coal mine cars generally descend along long ramps to underground mines, and once a mine car is disengaged from a tractor, the unpowered mine car can roll into the underground mine along a rail stall, causing production accidents and even casualties.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a reduction gear of colliery mine car anti-stall prevents that colliery mine car stall from rolling down to the underground mine district and causing the accident.
The utility model solves the technical problems through the following technical means:
a speed reducer for preventing a coal mine car from stalling comprises a mine car chassis, an oil pressing device arranged on the mine car chassis, an oil storage tank and a hydraulic cylinder which are connected with the oil pressing device, and a piston rod connected with the hydraulic cylinder and a brake pad connected with the piston rod; the mine car chassis is rotatably connected with a brake wheel and a brake driving wheel, the brake driving wheel is fixedly connected with a driving disc, the driving disc is rotatably connected with a rotating disc through a belt, and the rotating disc is rotatably connected with a pressure oil device; the oil pressing device is fixedly connected with the oil storage tank through an oil inlet pipe, the bottom of the oil pressing device is fixedly connected with an oil outlet pipe, the other end of the oil outlet pipe is fixedly connected with a hydraulic cylinder, the hydraulic cylinder is movably connected with a piston rod, and the other end of the piston rod is fixedly connected with a brake pad.
Furthermore, the brake driving wheel is fixedly connected with a driving disc, the driving disc is rotatably connected with a belt, the other side of the belt is rotatably connected with a rotating disc, and the rotating disc is rotatably connected with a pressure oil device.
Furthermore, the oil pressing device is connected with an oil pressing rotary table in a rotating mode, the oil pressing rotary table is fixedly connected with the rotary table, the oil pressing rotary table is fixedly connected with oil pressing pieces, and the oil pressing pieces are uniformly arranged on the oil pressing rotary table.
Furthermore, the oil pressing rotary disc is provided with oil pressing holes, the oil pressing holes are located between the oil pressing pieces, and three oil pressing holes are formed between the oil pressing pieces.
Furthermore, hydraulic oil is arranged in the oil pressing device and is filled in the oil pressing device.
Furthermore, an oil inlet pipe is fixedly connected in the middle of the oil pressing device, and the other side of the oil inlet pipe is fixedly connected with an oil storage tank.
Further, the oil storage tank roof is equipped with the gas pocket, the inboard top of oil storage tank is equipped with the piston, the piston below is hydraulic oil.
Furthermore, an oil outlet pipe is fixedly connected to the lower portion of the oil pressing device, the other end of the oil outlet pipe is fixedly connected with a hydraulic cylinder, the other side of the hydraulic cylinder is movably connected with a piston rod, the other end of the piston rod is fixedly connected with a brake pad, and the brake pad is located on the right side of the brake wheel.
Furthermore, a return spring is fixedly connected between the brake pad and the hydraulic cylinder, and the return spring surrounds the piston rod.
This practical beneficial effect: the utility model discloses a high-speed rotation when brake drive wheel stall, it rotates at a high speed to drive the driving-disc, the driving-disc passes through the belt and drives the high-speed rotation of rolling disc, the rolling disc drives presses the high-speed rotation of oil pressure carousel in the oil press device, press the oil pressure carousel to impress through centrifugal force and press the hydraulic oil in the oil press device and go out the oil pipe, simultaneously the hydraulic oil in the oil storage tank gets into through advancing oil pipe and presses the oil press device in, the atmospheric pressure balance of whole oil piping system is guaranteed to the piston in the oil storage tank, the hydraulic oil that goes out the oil pipe gets into the pneumatic cylinder and extrudes the piston rod, make brake block extrusion brake wheel, reach the effect of braking, prevent that the stall of mine car from rolling, when the normal speed of mine car is marchd, centrifugal force is less in the oil.
Drawings
FIG. 1 is a schematic view of the overall construction of a coal mine car stall reduction apparatus of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1 of the anti-stall reduction apparatus of a coal mine car of the present invention;
FIG. 3 is a schematic view of the interior of the storage tank of the anti-stall reduction apparatus of a coal mine car according to the present invention;
FIG. 4 is a schematic view of the inside of the oil pressing device of the anti-stall reduction gear of the coal mine car of the present invention.
The mine car comprises a mine car chassis 1, a mine car hopper 2, a clamping rod 3, a hook rod 4, a brake wheel 5, a brake driving wheel 6, a driving disk 7, a belt 8, a rotating disk 9, a hydraulic oil pressing device 10, an oil inlet pipe 11, an oil storage tank 12, an oil outlet pipe 13, a hydraulic cylinder 14, a piston rod 15, a return spring 16, a brake pad 17, air holes 18, a piston 19, hydraulic oil 20, a hydraulic oil pressing rotating disk 21, a hydraulic oil pressing disk 22 and oil pressing holes 23.
Detailed Description
The present invention will be described in detail below with reference to the following drawings and specific embodiments:
as shown in FIGS. 1-4, the anti-stall speed reducer for the coal mine car of the invention comprises a car chassis 1, a hydraulic oil device 10 arranged on the car chassis 1, an oil storage tank 12 and a hydraulic cylinder 14 connected with the hydraulic oil device, and a piston rod 15 connected with the hydraulic cylinder 14 and a brake pad 17 connected with the piston rod 15; the mine car chassis 1 is rotatably connected with a brake wheel 5 and a brake driving wheel 6, the brake driving wheel 6 is fixedly connected with a driving disc 7, the driving disc 7 is rotatably connected with a rotating disc 9 through a belt 8, and the rotating disc 9 is rotatably connected with a hydraulic oil device 10; the oil pressing device 10 is fixedly connected with an oil storage tank 12 through an oil inlet pipe 11, the bottom of the oil pressing device 10 is fixedly connected with an oil outlet pipe 13, the other end of the oil outlet pipe 13 is fixedly connected with a hydraulic cylinder 14, the hydraulic cylinder 14 is movably connected with a piston rod 15, and the other end of the piston rod 15 is fixedly connected with a brake pad 17.
Wherein: the brake driving wheel 6 is fixedly connected with a driving disc 7, the driving disc 7 is rotatably connected with a belt 8, the other side of the belt 8 is rotatably connected with a rotating disc 9, the rotating disc 9 is rotatably connected with a pressure oil device 10, and a brake system is driven by the rotating speed of wheels without manual operation.
Wherein: the oil pressing device 10 is connected with an oil pressing rotary disc 21 in a rotating mode, the oil pressing rotary disc 21 is fixedly connected with the rotary disc 9, the oil pressing rotary disc 21 is fixedly connected with oil pressing sheets 22, the oil pressing sheets 22 are multiple and uniformly arranged on the oil pressing rotary disc 21, and the oil pressing sheets 22 rotate at a high speed to generate centrifugal force to extrude the hydraulic oil 20 in the oil pressing device 10 into the oil outlet pipe 13.
Wherein: the oil pressing rotary disc 21 is provided with oil pressing holes 23, the oil pressing holes 23 are positioned between the oil pressing sheets 22, and three oil pressing holes 23 are formed between the oil pressing sheets 22, so that the hydraulic oil 20 in the oil storage tank 12 can enter the oil outlet pipe 13 through the oil pressing holes 23 after entering the oil pressing device 10, and the internal pressure balance is ensured.
Wherein: the hydraulic oil device 10 is internally provided with hydraulic oil 20, and the hydraulic oil 20 is filled in the hydraulic oil device 10, so that the whole braking system is driven by the oil pressure of the hydraulic oil 20, and the reliability is improved.
Wherein: an oil inlet pipe 11 is fixedly connected to the middle of the oil pressing device 10, and an oil storage tank 12 is fixedly connected to the other side of the oil inlet pipe 11, so that hydraulic oil 20 in the oil pressing device 10 can be supplemented from the oil storage tank 12 after being pressed into a hydraulic cylinder 14, and the pressure in the device is balanced.
Wherein: the top wall of the oil storage tank 12 is provided with an air hole 18, the top of the inner side of the oil storage tank 12 is provided with a piston 19, and hydraulic oil 20 is arranged below the piston 19, so that pressure balance in the oil pressing device 10 is guaranteed.
Wherein: an oil outlet pipe 13 is fixedly connected to the lower portion of the oil pressing device 10, the other end of the oil outlet pipe 13 is fixedly connected with a hydraulic cylinder 14, the other side of the hydraulic cylinder 14 is movably connected with a piston rod 15, the other end of the piston rod 15 is fixedly connected with a brake block 17, and the brake block 17 is located on the right side of the brake wheel 5, so that hydraulic oil 20 pressed out of the oil pressing device 10 finally pushes the brake block 17 to be in contact with the brake wheel 5, and the braking and speed reducing effects are.
Wherein: a return spring 16 is fixedly connected between the brake pad 17 and the hydraulic cylinder 14, and the return spring 16 surrounds the piston rod 15, so that the tension of the return spring 16 is balanced with the pressure of the piston rod 15 when the mine car is in a normal speed, and the brake is prevented from being generated in the normal speed.
The utility model drives the driving disc 7 to rotate at high speed through the high-speed rotation when the brake driving wheel 6 stalls, the driving disc 7 drives the rotating disc 9 to rotate at high speed through the belt 8, the rotating disc 9 drives the oil pressing rotary disc 21 in the oil pressing device 10 to rotate at high speed, the oil pressing rotary disc 21 presses the hydraulic oil 20 in the oil pressing device 10 into the oil outlet pipe 13 through the centrifugal force generated by the rotation of the oil pressing disc 22, meanwhile, the hydraulic oil 20 in the oil storage tank 12 enters the oil pressing device 10 through the oil inlet pipe 11, the piston 19 in the oil storage tank 12 ensures the pressure balance of the whole oil circuit system, the hydraulic oil 20 in the oil outlet pipe 13 enters the hydraulic cylinder 14 to extrude the piston rod 15, so that the brake disc 17 extrudes the brake wheel 5, the braking effect is achieved, the mine car is prevented from stalling and rolling, when the mine car travels at normal speed, the centrifugal force in the oil pressing device 10 is smaller, so that the brake pads 17 are not in contact with the brake wheel 5.
Although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present invention as defined in the claims. The techniques, shapes, and configurations not described in detail in this application are all known techniques.
Claims (8)
1. The utility model provides a decelerator of colliery mine car anti-stall which characterized in that: the hydraulic system comprises a mine car chassis (1), an oil pressing device (10) arranged on the mine car chassis (1), an oil storage tank (12) and a hydraulic cylinder (14) connected with the oil pressing device, and a piston rod (15) connected with the hydraulic cylinder (14) and a brake pad (17) connected with the piston rod (15);
the mine car chassis (1) is rotatably connected with a brake wheel (5) and a brake driving wheel (6), the brake driving wheel (6) is fixedly connected with a driving disc (7), the driving disc (7) is rotatably connected with a rotating disc (9) through a belt (8), and the rotating disc (9) is rotatably connected with a pressure oil device (10);
press oil device (10) through advancing oil pipe (11) fixed connection batch oil tank (12), press oil device (10) bottom fixed connection to go out oil pipe (13), go out oil pipe (13) other end fixed connection pneumatic cylinder (14), pneumatic cylinder (14) swing joint piston rod (15), piston rod (15) other end fixed connection brake block (17).
2. The coal mine car stall prevention reduction gear of claim 1, wherein: the brake driving wheel (6) is fixedly connected with a driving disc (7), the driving disc (7) is rotatably connected with a belt (8), the other side of the belt (8) is rotatably connected with a rotating disc (9), and the rotating disc (9) is rotatably connected with a pressure oil device (10).
3. The coal mine car stall prevention reduction gear of claim 1, wherein: the oil pressing device is characterized in that an oil pressing rotary disc (21) is connected in the oil pressing device (10) in a rotating mode, the oil pressing rotary disc (21) is fixedly connected with the rotary disc (9), the oil pressing rotary disc (21) is fixedly connected with oil pressing sheets (22), and the oil pressing sheets (22) are arranged on the oil pressing rotary disc (21) in a plurality of uniform arrangement modes.
4. The coal mine car stall prevention reduction gear of claim 1, wherein: the hydraulic oil device (10) is internally provided with hydraulic oil (20), and the hydraulic oil (20) is filled in the hydraulic oil device (10).
5. The coal mine car stall prevention reduction gear of claim 1, wherein: the oil pressing device is characterized in that an oil inlet pipe (11) is fixedly connected in the middle of the oil pressing device (10), and an oil storage tank (12) is fixedly connected to the other side of the oil inlet pipe (11).
6. The coal mine car stall prevention reduction gear of claim 1, wherein: the top wall of the oil storage tank (12) is provided with an air hole (18), the top of the inner side of the oil storage tank (12) is provided with a piston (19), and hydraulic oil (20) is arranged below the piston (19).
7. The coal mine car stall prevention reduction gear of claim 1, wherein: the oil pressing device is characterized in that an oil outlet pipe (13) is fixedly connected to the lower portion of the oil pressing device (10), a hydraulic cylinder (14) is fixedly connected to the other end of the oil outlet pipe (13), a piston rod (15) is movably connected to the other side of the hydraulic cylinder (14), a brake pad (17) is fixedly connected to the other end of the piston rod (15), and the brake pad (17) is located on the right side of the brake wheel (5).
8. The coal mine car stall prevention reduction gear of claim 1, wherein: and a return spring (16) is fixedly connected between the brake pad (17) and the hydraulic cylinder (14), and the return spring (16) surrounds the piston rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556466.4U CN212172221U (en) | 2019-09-18 | 2019-09-18 | Speed reducer for preventing stalling of coal mine car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556466.4U CN212172221U (en) | 2019-09-18 | 2019-09-18 | Speed reducer for preventing stalling of coal mine car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212172221U true CN212172221U (en) | 2020-12-18 |
Family
ID=73762841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921556466.4U Expired - Fee Related CN212172221U (en) | 2019-09-18 | 2019-09-18 | Speed reducer for preventing stalling of coal mine car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212172221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838352A (en) * | 2020-12-30 | 2021-05-25 | 无锡圣普电力科技有限公司 | Antenna mounting bracket suitable for narrow space |
| CN117991516A (en) * | 2024-04-07 | 2024-05-07 | 中科院南京耐尔思光电仪器有限公司 | Collimator for low-temperature environment |
-
2019
- 2019-09-18 CN CN201921556466.4U patent/CN212172221U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838352A (en) * | 2020-12-30 | 2021-05-25 | 无锡圣普电力科技有限公司 | Antenna mounting bracket suitable for narrow space |
| CN112838352B (en) * | 2020-12-30 | 2021-11-09 | 无锡圣普电力科技有限公司 | Antenna mounting bracket suitable for narrow space |
| CN117991516A (en) * | 2024-04-07 | 2024-05-07 | 中科院南京耐尔思光电仪器有限公司 | Collimator for low-temperature environment |
| CN117991516B (en) * | 2024-04-07 | 2024-05-31 | 中科院南京耐尔思光电仪器有限公司 | Collimator for low-temperature environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220104 Address after: 843000 tielik mining area, Baicheng County, Aksu Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Baicheng Xinxing Mining Development Co.,Ltd. Address before: 471000 No. 100, Yongping Road, Luoyang City, Henan Province Patentee before: Feng Xiaolan |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |