CN211444839U - Coal mine hoister - Google Patents
Coal mine hoister Download PDFInfo
- Publication number
- CN211444839U CN211444839U CN201922196428.9U CN201922196428U CN211444839U CN 211444839 U CN211444839 U CN 211444839U CN 201922196428 U CN201922196428 U CN 201922196428U CN 211444839 U CN211444839 U CN 211444839U
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- Prior art keywords
- disc
- follow
- clamping
- coal mine
- winding drum
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- 210000002105 tongue Anatomy 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to a coal mine hoist, which comprises a power system, a cable, a head sheave and a support, wherein the head sheave is arranged at the top of the support, the power system is arranged on the ground, one end of the cable is connected with the power system, the other end of the cable extends into a well by bypassing the head sheave, the power system comprises a base, a winding drum, a brake and an emergency stop mechanism, the cable is wound on the winding drum, the emergency stop mechanism and the winding drum are coaxially arranged and comprise a fixed disc and a follow-up disc, the fixed disc is fixed on the base, the follow-up disc and the winding drum are coaxially and fixedly connected, one side of the fixed disc is provided with a groove capable of accommodating the follow-up disc, the follow-up disc is arranged in the groove, the side surface of the follow-up disc is at least provided with two strip-shaped accommodating grooves and clamping tongues which are uniformly distributed, one end of each. The invention has stable structure, safety and reliability.
Description
Technical Field
The invention relates to a coal mine hoist, in particular to an overspeed automatic braking structure of the coal mine hoist.
Background
The coal mine hoist is main transportation equipment for connecting underground and ground in coal mining engineering. The coal mine hoist is a hoisting machine which is arranged on the ground and drives a hoisting container to run along a shaft or a slope by means of a steel wire rope. It is used for lifting coal in vertical and inclined shafts, lifting personnel, lowering materials, tools and equipment, etc.
In order to control the speed, ensure the safe production and ensure the personal safety of workers, the hoister is provided with a braking device. The existing elevator is usually directly provided with a single braking device, the braking device can be worn or even damaged after being used for a long time, and at the moment, the elevator can possibly generate the problem of abnormal braking and cause production accidents.
To solve this problem, chinese utility model patent No. CN207418167U discloses a coal mine hoist, which is provided with a second brake, and when the first brake fails, the second brake operates to assist braking. In the technical scheme, the stability of the electrified second brake has a problem, especially in the severe environment of coal mine production.
Disclosure of Invention
The invention aims to improve and innovate the defects and problems in the prior art and provides a coal mine hoisting machine which is stable in structure, safe and reliable.
The invention has the technical scheme that a coal mine hoisting machine is constructed, and the coal mine hoisting machine comprises a power system, a cable, a head sheave and a support, wherein the head sheave is arranged at the top of the support, the power system is arranged on the ground, one end of the cable is connected with the power system, the other end of the cable extends into a well by bypassing the head sheave, the power system comprises a base, a winding drum, a brake and an emergency stop mechanism, the cable is wound on the winding drum, the emergency stop mechanism is integrally disc-shaped and is coaxially arranged with the winding drum, the emergency stop mechanism comprises a fixed disc and a follow-up disc, the fixed disc is fixed on the base, the follow-up disc is coaxially and fixedly connected with the winding drum, one side of the fixed disc is provided with a groove for accommodating the follow-up disc, the follow-up disc is arranged in the groove, the side surface of the follow-up disc is at least provided with two uniformly distributed strip-up grooves, each accommodating groove is internally provided, the other end of the fixing disc is connected with the other end of the fixing disc through a spring, the spring contracts and pulls the clamping tongue and the accommodating groove under a static state, so that the clamping tongue does not extend out of the outer side of the follow-up disc, and the inner side of the fixing disc is uniformly provided with clamping grooves with the same number as the follow-up discs.
In one embodiment, the number of the receiving grooves and the card slots is four.
In one embodiment, the inner wall of the clamping groove is an intersecting plane and an arc surface, the center of the rotating shaft of the winding drum is on the plane, one end of the clamping tongue is a tip, and when the tip moves to the intersection of the plane and the arc surface of the clamping groove, one edge of the tip coincides with the plane.
In one embodiment, the spring is an adjustable spring.
In one embodiment, a cover plate is arranged on one side of the fixed disc far away from the winding drum and covers the follow-up disc and the clamping tongues.
The invention has the advantages and beneficial effects that: on the basis of a conventional coal mine hoist, an emergency stop mechanism is arranged on one side of a winding drum, and the emergency stop mechanism is a pure mechanical device, does not need an external control device, and is stable and reliable.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
FIG. 2 is a schematic view showing the installation relationship of the drum emergency stop device in the embodiment.
Fig. 3 is an exploded view of the scram device.
Fig. 4 is a state diagram of the emergency stop device in use.
Fig. 5 is another state diagram of the scram device.
Fig. 6 is a third usage state diagram of the scram device.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" on another element, it can be directly disposed or attached to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1-6, a coal mine hoisting machine comprises a power system 1, a cable 2, a head sheave 3 and a support 4, wherein the head sheave 3 is arranged at the top of the support 4, the power system 1 is arranged on the ground, one end of the cable 2 is connected with the power system 1, the other end of the cable 2 extends into a well by bypassing the head sheave 3, the power system 1 comprises a base 5, a winding drum 6, a brake 7 and an emergency stop mechanism 8, the cable 2 is wound on the winding drum 6, the emergency stop mechanism 8 is integrally disc-shaped and coaxially arranged with the winding drum 6, the emergency stop mechanism 8 comprises a fixed disc 9 and a follow-up disc 10, the fixed disc 9 is fixed on the base 5, the follow-up disc 10 is coaxially and fixedly connected with the winding drum 6, one side of the fixed disc 9 is provided with a groove 11 capable of accommodating the follow-up disc, the follow-up disc 10 is arranged in the groove 11, the side of the follow-up disc 10 is, a strip-shaped clamping tongue 13 is arranged in each accommodating groove 12, one end of each clamping tongue 13 is connected with one end of each accommodating groove 12 through a clamping tongue shaft 14, the other end of each clamping tongue 13 is connected with the other end of each accommodating groove 12 through a spring 15, the springs 15 contract and pull the clamping tongues 13 and the accommodating grooves 12 under a static state, the clamping tongues 13 do not extend out of the outer sides of the follow-up discs 10, and clamping grooves 16 with the same number as the follow-up discs 10 are uniformly arranged on the inner sides of the fixed discs 9.
Preferably, the inner wall of the slot 16 is a plane 17 and an arc 18 which intersect each other, the center 19 of the rotation axis of the winding drum 6 is on the plane 17, one end of the latch 13 is a tip, and when the tip moves to the intersection of the plane and the arc of the slot 16, one side of the tip coincides with the plane (a in fig. 6).
In order to realize adjustable elasticity, the spring 15 is a spring with adjustable elasticity.
Preferably, a cover plate is arranged on one side, away from the winding drum, of the fixed disc, and covers the follow-up disc and the clamping tongues.
The working principle of the invention is as follows: in a normal working state, the winding drum and the brake normally run under the control of a conventional control device, the fixed disc is fixed with the base, the follow-up disc is fixed with the winding drum and rotates along with the winding drum, and the clamping tongue is accommodated in the accommodating groove under the action of the spring. When the brake breaks down to cause the reel and follow-up disc to accelerate unusually, the card tongue is under the effect of centrifugal force, and one end stretches out and accomodates the groove, and the card is gone into the draw-in groove, realizes the emergency braking of reel, avoids the emergence of production accident. By adjusting the elasticity of the spring, different stress magnitudes of the clamping tongues thrown out can be set, and the clamping tongues correspond to different rotating speeds of the spool disk.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.
Claims (5)
1. A coal mine hoist is characterized in that: the emergency stop mechanism comprises a fixed disc and a follow-up disc, the fixed disc is fixed on the base, the follow-up disc is fixedly connected with the winding drum in a coaxial manner, one side of the fixed disc is provided with a groove capable of accommodating the follow-up disc, the follow-up disc is arranged in the groove, the side surface of the follow-up disc is at least provided with two strip-shaped accommodating grooves which are uniformly distributed, a strip-shaped clamping tongue is arranged in each accommodating groove, one end of each clamping tongue is connected with one end of each accommodating groove through a clamping tongue shaft, and the other end of each clamping tongue is connected with one end of each accommodating groove through a spring, in a static state, the spring contracts and pulls the clamping tongues and the accommodating grooves, so that the clamping tongues do not extend out of the outer side of the follow-up disc, and the inner side of the fixed disc is uniformly provided with clamping grooves with the same number as the follow-up discs.
2. The coal mine hoist as claimed in claim 1, characterized in that: the number of the accommodating grooves and the clamping grooves is four.
3. The coal mine hoist as claimed in claim 1, characterized in that: the inner wall of the clamping groove is an intersected plane and an arc surface, the center of a rotating shaft of the winding drum is positioned on the plane, one end of the clamping tongue is a tip, and when the tip moves to the intersection of the plane and the arc surface of the clamping groove, one edge of the tip coincides with the plane.
4. The coal mine hoist as claimed in claim 1, characterized in that: the spring is an elasticity-adjustable spring.
5. The coal mine hoist as claimed in claim 1, characterized in that: and a cover plate is arranged on one side of the fixed disc, which is far away from the winding drum, and covers the follow-up disc and the clamping tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922196428.9U CN211444839U (en) | 2019-12-09 | 2019-12-09 | Coal mine hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922196428.9U CN211444839U (en) | 2019-12-09 | 2019-12-09 | Coal mine hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211444839U true CN211444839U (en) | 2020-09-08 |
Family
ID=72296110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922196428.9U Expired - Fee Related CN211444839U (en) | 2019-12-09 | 2019-12-09 | Coal mine hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211444839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634127A (en) * | 2022-03-21 | 2022-06-17 | 如皋市武源机械有限公司 | Servo hoist with antiwind function |
| CN115849087A (en) * | 2023-03-03 | 2023-03-28 | 中铁二十二局集团电气化工程有限公司 | Semi-automatic optical cable laying device |
-
2019
- 2019-12-09 CN CN201922196428.9U patent/CN211444839U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634127A (en) * | 2022-03-21 | 2022-06-17 | 如皋市武源机械有限公司 | Servo hoist with antiwind function |
| CN114634127B (en) * | 2022-03-21 | 2023-02-24 | 如皋市武源机械有限公司 | Servo hoist with antiwind function |
| CN115849087A (en) * | 2023-03-03 | 2023-03-28 | 中铁二十二局集团电气化工程有限公司 | Semi-automatic optical cable laying device |
| CN115849087B (en) * | 2023-03-03 | 2023-05-23 | 中铁二十二局集团电气化工程有限公司 | Semi-automatic optical cable laying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |