CN220555622U - Overwinding prevention device for coal mine winch - Google Patents
Overwinding prevention device for coal mine winch Download PDFInfo
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- CN220555622U CN220555622U CN202321282487.8U CN202321282487U CN220555622U CN 220555622 U CN220555622 U CN 220555622U CN 202321282487 U CN202321282487 U CN 202321282487U CN 220555622 U CN220555622 U CN 220555622U
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- overwinding
- winch
- button
- dispatching
- protection device
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- 239000003245 coal Substances 0.000 title claims abstract description 20
- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Abstract
The utility model provides an overwinding prevention device for a coal mine winch, which is simple to install, convenient to maintain and extremely small in maintenance amount, can effectively prevent overwinding and improve the safety coefficient; comprises an overwinding protection device, a dispatching winch and a mine car; the overwinding protection device comprises a deviation sensor and a fixed support, wherein the right side of the fixed support is transversely provided with a swing rod, the deviation sensor is fixed on the swing rod, the left side of the overwinding protection device is provided with a dispatching winch, the right side of the overwinding protection device is provided with a mine car, the left end and the right end of the mine car are both provided with hook heads, and the dispatching winch is connected with one hook head of the mine car through a traction rope. The switching circuit of the dispatching winch is controlled through a remote control triple button, the 1# of the switch is connected with the 1# of the button, the 2# of the switch is connected with the 2# of the button, the 3# of the switch is connected with the 3# of the button, the 9# of the switch is connected with the remote control triple button, the normally closed contact of the deviation sensor is connected with the stop contact 9# in the remote control triple button of the dispatching winch, and the power supply voltage is controlled to be 36V.
Description
Technical Field
The utility model belongs to the field of coal mine production, and particularly relates to an overwinding prevention device for a coal mine winch.
Background
The inclined roadway rail transportation is one of the main production links under the coal mine, is also a weak link of the coal mine safety production, and is a safety management work of the inclined roadway rail transportation, which is a heavy weight of the coal mine safety production. In particular, the safety distance between a yard and a dispatching winch on an inclined roadway is smaller, and the problem is solved by arranging an overwinding protection device on the right side of the dispatching winch in order to effectively avoid the overwinding phenomenon of the dispatching winch caused by the phenomenon because the dispatching winch driver is not concentrated, operates improperly, has too high lifting speed or has faults of electromechanical equipment, is not stopped timely or takes improper measures, and is easy to produce overwinding of the dispatching winch.
Disclosure of Invention
The utility model provides an overwinding prevention device for a coal mine small winch, which is simple to install, convenient to maintain and extremely small in maintenance amount, can effectively stop overwinding, can avoid overwinding accidents caused by misoperation or concentrated energy of operators, and improves the safety coefficient.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the device for preventing the coal mine winch from being overwinding comprises an overwinding protection device, a dispatching winch and a mine car; the overwinding protection device comprises a deviation sensor and a fixed bracket, wherein the right side of the fixed bracket is transversely provided with a swing rod, and the deviation sensor is fixed on the swing rod; a dispatching winch is arranged on the left side of the overwinding protection device, and a mine car is arranged on the right side of the overwinding protection device; the left end and the right end of the mine car are respectively provided with a hook head, and the dispatching winch is connected with one hook head of the mine car through a traction rope.
The switching circuit of the dispatching winch is controlled through a remote control triple button, the 1# of the switch is connected with the 1# of the button, the 2# of the switch is connected with the 2# of the button, the 3# of the switch is connected with the 3# of the button, the 9# of the switch is connected with the remote control triple button, and the normally closed contact of the deviation sensor is connected with the stop contact 9# in the remote control triple button of the dispatching winch.
During forward rotation, ZJ is sucked, a ZJ normally closed point connected in series in the reverse rotation control loop is opened, the reverse rotation control loop is cut off, and FJ cannot be sucked. When the motor rotates reversely, the FJ is attracted, the FJ contact connected in the forward rotation control loop in series is opened, the forward rotation control loop is cut off, and the ZJ cannot be attracted.
Further, the power supply voltage 36V is controlled.
Further, the off tracking sensor is a GEJ20 type off tracking sensor.
Further, the dispatching winch is a JD-2 dispatching winch.
Further, the haulage rope is a steel wire rope.
Compared with the prior art, the utility model has the following beneficial effects:
1. the protection device is simple to install, convenient to maintain, extremely small in maintenance amount, high in reliability, stability and safety, capable of effectively avoiding the overwinding phenomenon and guaranteeing safety.
2. The over-rolling accident caused by misoperation or unfocused energy of operators is avoided, potential safety hazards are eliminated, safety coefficient is improved, and positive effect is achieved on pushing mine safety production.
Drawings
The patent application of the utility model entitled "anti-overwinding device for a coal mine small winch" comprises 4 drawings, and the drawings of the drawings are described below.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a switching circuit of the present utility model;
fig. 4 is a remote control triple button circuit of the present utility model.
In the figure: 1. the device comprises a deviation sensor 2, a fixed support, 3, a dispatching winch, 4, a mine car, 5, a hook head, 6, a traction rope, 7, an overwinding protection device, 8 and a swing rod.
Description of the embodiments
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings of the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
As shown in fig. 1 or 2, the overwinding prevention device of the coal mine small winch comprises an overwinding protection device 7, a dispatching winch 3 and a mine car 4; the overwinding protection device 7 comprises a deviation sensor 1 and a fixed support 2, wherein the right side of the fixed support 2 is transversely provided with a swinging rod 8, the deviation sensor 1 is fixed on the swinging rod 8, when the overwinding happens to the dispatch winch 3 at the normal position, the swinging rod 8 of the overwinding protection device 7 swings under the action of external force, the normally closed contact of the overwinding protection device 7 cuts off the control loop power supply of the dispatch winch 3 to stop the dispatch winch 3, the deviation sensor 1 is a GEJ20 type deviation sensor, the left side of the overwinding protection device 7 is provided with the dispatch winch 3, the dispatch winch 3 is a JD-2 type dispatch winch, the right side of the overwinding protection device 7 is provided with a mine car 4, the left end and the right end of the mine car 4 are both provided with hook heads 5, and the dispatch winch 3 is connected with one hook head 5 of the mine car 4 through a traction rope 6.
As shown in fig. 3 or fig. 4, the switch circuit of the dispatching winch 3 is controlled by a remote control triple button, the 1# of the switch is connected with the 1# of the button, the 2# of the switch is connected with the 2# of the button, the 3# of the switch is connected with the 3# of the button, the 9# of the switch circuit is connected with the remote control triple button, the normally closed contact of the deviation sensor 1 is connected with the stop contact 9# of the remote control triple button of the dispatching winch 3, and the power supply voltage is controlled to be 36V.
During forward rotation, ZJ is sucked, a ZJ normally closed point connected in series in the reverse rotation control loop is opened, the reverse rotation control loop is cut off, and FJ cannot be sucked. When the motor rotates reversely, the FJ is attracted, the FJ contact connected in the forward rotation control loop in series is opened, the forward rotation control loop is cut off, and the ZJ cannot be attracted.
The utility model relates to a coal mine small winch overwinding prevention device, which comprises the following specific operation processes:
when the dispatching winch 3 is not stopped at the normal position and is overwinding, the swing rod 8 of the overwinding protection device 7 swings under the action of external force, and the normally closed contact of the overwinding protection device 7 cuts off the control loop power supply of the dispatching winch 3, so that the dispatching winch 3 stops running, and overwinding protection is realized.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for part of the technical features described in the foregoing embodiments by those skilled in the art, even though the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The overwinding prevention device for the coal mine winch is characterized by comprising an overwinding protection device (7), a dispatching winch (3) and a mine car (4);
the overwinding protection device (7) comprises a deviation sensor (1) and a fixed support (2), wherein a swing rod (8) is transversely arranged on the right side of the fixed support (2), and the deviation sensor (1) is fixed on the swing rod (8);
the left side of the overwinding protection device (7) is provided with a dispatching winch (3), and the right side of the overwinding protection device (7) is provided with a mine car (4);
the switching circuit of the dispatching winch (3) is controlled through a remote control triple button, the 1# of the switch is respectively connected with the 1# of the button, the 2# of the switch is respectively connected with the 2# of the button, the 3# of the switch is respectively connected with the 3# of the button, the 9# of the switch circuit is connected with the remote control triple button, and the normally closed contact of the deviation sensor (1) is communicated with the stop contact 9# in the remote control triple button of the dispatching winch (3).
2. The overwinding prevention device for the coal mine small winch according to claim 1, wherein the left end and the right end of the mine car (4) are provided with hook heads (5).
3. An anti-overwinding device for a coal mine small winch according to claim 1 or 2, wherein the dispatching winch (3) is connected with a hook head (5) of the mine car (4) through a haulage rope (6).
4. The coal mine small winch overwinding prevention device according to claim 1, wherein the power supply voltage is controlled to be 36V.
5. The overwinding prevention device for the coal mine small winch according to claim 1, wherein the deviation sensor (1) is a GEJ20 type deviation sensor.
6. The overwinding prevention device for the coal mine small winch according to claim 1, wherein the dispatching winch (3) is a JD-2 dispatching winch.
7. A coal mine small winch overwinding prevention device according to claim 3, wherein the haulage rope (6) is a steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321282487.8U CN220555622U (en) | 2023-05-25 | 2023-05-25 | Overwinding prevention device for coal mine winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321282487.8U CN220555622U (en) | 2023-05-25 | 2023-05-25 | Overwinding prevention device for coal mine winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220555622U true CN220555622U (en) | 2024-03-05 |
Family
ID=90051389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321282487.8U Active CN220555622U (en) | 2023-05-25 | 2023-05-25 | Overwinding prevention device for coal mine winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220555622U (en) |
-
2023
- 2023-05-25 CN CN202321282487.8U patent/CN220555622U/en active Active
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