CN220764373U - Monorail crane capable of realizing emergency braking - Google Patents
Monorail crane capable of realizing emergency braking Download PDFInfo
- Publication number
- CN220764373U CN220764373U CN202322590516.3U CN202322590516U CN220764373U CN 220764373 U CN220764373 U CN 220764373U CN 202322590516 U CN202322590516 U CN 202322590516U CN 220764373 U CN220764373 U CN 220764373U
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- emergency braking
- frame
- travelling
- shaped rail
- connecting rod
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- 238000005065 mining Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses a monorail crane capable of realizing emergency braking, and relates to the field of transportation of mine auxiliary systems. The utility model provides a can realize emergency braking's monorail hoist, when using, travel switch is fixed in travelling direction's of travelling trolley front end through the connecting rod, travel switch passes through the signal line, mining intrinsic safety four-way junction box and travelling trolley scram button electric connection, when the condition such as distortion, fracture appear in the I-shaped rail, travel switch is touched, the emergency braking signal of department is sent to realize travelling trolley's emergency braking, this device can make up the inspection, overhaul this defect in place, can be as one kind and avoid the accident to enlarge or remedy the measure, this device reaction is rapid, can avoid personnel to be in a mess, manual scram lag etc. condition, can realize emergency braking instantaneously, avoid the emergence of incident, the suitability is stronger.
Description
Technical Field
The utility model relates to the field of transportation of auxiliary systems of mines, in particular to a monorail crane capable of realizing emergency braking.
Background
The monorail crane capable of realizing emergency braking is a system which uses a special I-steel suspended above a roadway as a track, is connected into a train set by suspended vehicles with various functions, is pulled by traction equipment and runs along the track, and the traction power of the system can be provided by a steel wire rope, a diesel engine, a storage battery or a pneumatic device.
Along with popularization of monorail crane transportation, the monorail crane transportation accident caused by the fact that rail accessories such as connection and hanging of the monorail crane rail are broken frequently occurs, the monorail crane rail is broken frequently due to the fact that the monorail crane rail is not inspected or overhauled in place, and a monorail crane capable of realizing emergency braking in the prior art lacks passive countermeasures for the abnormal condition of the rail, so that the monorail crane transportation accident is frequent.
In view of the above, an improvement of the conventional structure has been studied and proposed to realize emergency braking of an overhead monorail.
Disclosure of Invention
The object of the present utility model is to provide a monorail hoist which can achieve emergency braking, in order to solve the problems presented in the background art mentioned above.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can realize emergency braking's monorail hoist, includes I-shaped rail and pinion rack, I-shaped rail perpendicular bilateral symmetry fixed mounting has the pinion rack, and the pinion rack surface is equipped with the ratchet, I-shaped rail bottom hangs and has the frame, and the inboard guide pulley that rotates of frame installs to frame top symmetry is equipped with the pawl, frame bottom integral type fixed mounting has the connecting plate, and the connecting plate bottom passes through bolt fixedly connected with travelling car, travelling car front end fixedly connected with connecting rod, and the connecting rod end links up there is travel switch.
Further, the ratchet gradually pulls up along the gradient of the travelling direction of the crane and suddenly changes to be vertical after reaching a critical value, and adjacent ratchet is distributed at equal intervals along the extending direction of the toothed plate.
Furthermore, the frame is of a Z-shaped structure which is arranged in a mirror symmetry mode, and guide wheels which rotate at the upper end and the lower end of the inner side of the frame are in sliding fit with the I-shaped rail.
Further, the pawl is elastically connected with the top end of the frame through a torsion spring at the rotation center, and the pawl is matched with the ratchet teeth on the surface of the adjacent toothed plate.
Further, the connecting rod is fixed at the front end of the travelling direction of the travelling trolley, and the connecting rod is parallel to the extending direction of the I-shaped rail.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the device is used, the travel switch is fixed at the front end of the travelling trolley in the travelling direction through the connecting rod, the travel switch is electrically connected with the travelling trolley emergency stop button through the signal wire and the mining intrinsic safety four-way junction box, when the I-shaped rail is distorted, broken and the like, the travel switch is touched to send an emergency braking signal, so that the emergency braking of the travelling trolley is realized, the device can make up the defect that the inspection and maintenance are not in place, can be used as a measure for avoiding the expansion or the remedy of an emergency, has rapid response, can avoid the conditions of confusion, manual emergency stop lag and the like of personnel, can instantly realize the emergency braking, and avoids the occurrence of safety accidents;
2. when the travelling trolley is in emergency stop caused by the fact that the I-shaped rail is suddenly twisted and broken on an ascending road section, in order to prevent the travelling trolley from backing off under the action of gravity, the toothed plates are fixed at the two ends of the vertical surface of the I-shaped rail, the pawl matched with the ratchet is arranged at the top end of the frame, the pawl is matched with the ratchet ramp part when the travelling trolley normally travels, the interference on the normal traveling of the travelling trolley is avoided, and when the travelling trolley is in emergency stop and has a backing trend, the pawl is matched with the vertical surface part of the ratchet to realize self-locking, so that the travelling trolley is effectively prevented from backing off when the travelling trolley is in emergency stop on the ascending road section, and the potential safety hazard is further eliminated.
Drawings
FIG. 1 is a schematic diagram of the front view structure of a travelling trolley of the utility model;
FIG. 2 is a schematic diagram of an I-rail assembly structure according to the present utility model;
fig. 3 is a schematic diagram of an explosive structure of an i-rail according to the present utility model.
In the figure: 1. an I-shaped rail; 2. a toothed plate; 3. a ratchet; 4. a frame; 5. a guide wheel; 6. a pawl; 7. a connecting plate; 8. a walking trolley; 9. a connecting rod; 10. and a travel switch.
Description of the embodiments
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in figures 1 to 3, the monorail crane capable of realizing emergency braking comprises an I-shaped rail 1 and a toothed plate 2, wherein the toothed plate 2 is symmetrically and fixedly arranged on two sides of the vertical surface of the I-shaped rail 1, ratchets 3 are arranged on the surface of the toothed plate 2, the ratchets 3 gradually rise along the gradient of the travelling direction of the crane and are suddenly changed into vertical after reaching a critical value, adjacent ratchets 3 are distributed at equal intervals along the extending direction of the toothed plate 2, a frame 4 is hung at the bottom of the I-shaped rail 1, guide wheels 5 are rotatably arranged on the inner side of the frame 4, the frame 4 is in a mirror-symmetrically arranged Z-shaped structure, the guide wheels 5 which rotate on the upper end and the lower end of the inner side of the frame 4 are in sliding fit with the I-shaped rail 1, pawls 6 are symmetrically arranged on the top end of the frame 4, the pawls 6 are elastically connected with the top end of the frame 4 through torsion springs at the rotation center, the pawls 6 are matched with the ratchets 3 on the surface of the adjacent toothed plate 2, when the travelling trolley 8 is in an emergency stop of the travelling trolley 8 due to the fact that the I-shaped rail 1 is suddenly twisted and broken, in order to prevent the travelling trolley 8 from backing back under the action of gravity, the toothed plate 2 is fixed at two ends of the vertical surface of the I-shaped rail 1, the pawl 6 matched with the ratchet 3 is arranged at the top end of the frame 4, the pawl 6 is matched with the ramp part of the ratchet 3 when the travelling trolley 8 normally travels, the normal travelling of the travelling trolley 8 is not interfered, when the travelling trolley 8 is in emergency stop and has a backing trend, the pawl 6 is matched with the vertical surface part of the ratchet 3 to realize self-locking, the travelling trolley 8 is effectively prevented from backing back when being positioned in the emergency stop of the travelling trolley, potential safety hazards are further eliminated, the bottom of the frame 4 is fixedly provided with the connecting plate 7, the bottom of the connecting plate 7 is fixedly connected with the travelling trolley 8 through bolts, the front end of the travelling trolley 8 is fixedly connected with the connecting rod 9, the tail end of the connecting rod 9 is connected with a travel switch 10, the connecting rod 9 is fixed at the front end of the travelling direction of the travelling trolley 8, the connecting rod 9 is parallel to the extending direction of the I-shaped rail 1, the travel switch 10 is electrically connected with an emergency stop button of the travelling trolley 8 through a signal wire and a mining intrinsic safety four-way junction box, the travel switch 10 is electrically connected with the emergency stop button of the travelling trolley 8 through the signal wire and the mining intrinsic safety four-way junction box, when the I-shaped rail 1 is distorted, broken and the like, the travel switch 10 is touched and sends an emergency braking signal, so that the emergency braking of the travelling trolley 8 is realized, the device can make up the defect that the inspection and the maintenance are not in place, can be used as a measure for avoiding the expansion or the remedy of an emergency, has rapid response, can avoid the conditions of disordered personnel, manual emergency stop lag and the like, and can instantly realize the emergency braking, and avoid the occurrence of safety accidents.
Working principle: when the monorail crane capable of realizing emergency braking is used, the travel switch 10 is fixed at the front end of the traveling direction of the traveling trolley 8 through the connecting rod 9, the ohm-shaped dragon D4A-3101N can be selected as a specific model of the travel switch 10, the travel switch 10 is electrically connected with the emergency stop button of the traveling trolley 8 through the signal wire and the mining intrinsic safety four-way junction box, when the I-shaped rail 1 is distorted, broken and the like, the travel switch 10 is touched, emergency braking signals are sent out, so that the emergency braking of the traveling trolley 8 is realized, the defect that the inspection and maintenance are not in place can be overcome, the emergency braking is avoided as a measure for avoiding the expansion or remedy of an emergency condition, the emergency braking can be realized instantaneously when people are in disorder, the manual emergency stop lag is realized, the emergency braking is avoided, when the traveling trolley 8 is in an ascending road section, the emergency stop of the traveling trolley 8 is caused by the distortion and the breaking condition of the I-shaped rail 1, the ratchet tooth plate 2 is fixed at the two ends of the I-shaped rail 1 under the action of the gravity, the ratchet tooth plate 2 is arranged at the top end of the ratchet tooth plate 4, the ratchet tooth is matched with the ratchet wheel 3, the ratchet wheel is further matched with the ratchet wheel 8 when the traveling trolley 8 is in an emergency stop 6, and the emergency stop is further matched with the ratchet wheel 8, and the emergency stop is further normally occurs, and the potential safety hazard is avoided when the emergency stop is normally occurs, and the ratchet wheel is matched with the emergency stop is further, and the emergency stop is matched with the emergency stop is 3, and the emergency situation is in the emergency stop is in the traveling trolley is in the normal 3 when the emergency situation is in the traveling situation 3 and has the normal situation.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. Can realize emergency braking's monorail hoist, a serial communication port, including I-shaped rail (1) and pinion rack (2), I-shaped rail (1) perpendicular both sides symmetry fixed mounting has pinion rack (2), and pinion rack (2) surface is equipped with ratchet (3), I-shaped rail (1) bottom hoist and mount have frame (4), and frame (4) inboard rotation installs guide pulley (5) to frame (4) top symmetry is equipped with pawl (6), frame (4) bottom integral type fixed mounting has connecting plate (7), and connecting plate (7) bottom is through bolt fixedly connected with walking dolly (8), walking dolly (8) front end fixedly connected with connecting rod (9), and connecting rod (9) end link up there is travel switch (10).
2. The monorail hoist capable of realizing emergency braking according to claim 1, characterized in that the ratchets (3) are gradually pulled up along the gradient of the traveling direction of the hoist and are suddenly changed to be vertical after reaching a critical value, and adjacent ratchets (3) are arranged at equal intervals along the extending direction of the toothed plate (2).
3. The monorail hoist capable of realizing emergency braking according to claim 1, characterized in that the frame (4) is of a Z-shaped structure which is arranged in mirror symmetry, and guide wheels (5) which rotate at the upper end and the lower end of the inner side of the frame (4) are in sliding fit with the I-shaped rail (1).
4. The monorail hoist for emergency braking according to claim 1, characterized in that the pawl (6) is elastically connected to the top end of the frame (4) by a torsion spring at the center of rotation, and the pawl (6) cooperates with the ratchet teeth (3) on the surface of the adjacent toothed plate (2).
5. The monorail hoist capable of realizing emergency braking according to claim 1, characterized in that the connecting rod (9) is fixed at the front end of the travelling direction of the travelling trolley (8), and the connecting rod (9) is parallel to the extending direction of the i-rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590516.3U CN220764373U (en) | 2023-09-24 | 2023-09-24 | Monorail crane capable of realizing emergency braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590516.3U CN220764373U (en) | 2023-09-24 | 2023-09-24 | Monorail crane capable of realizing emergency braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220764373U true CN220764373U (en) | 2024-04-12 |
Family
ID=90609905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322590516.3U Active CN220764373U (en) | 2023-09-24 | 2023-09-24 | Monorail crane capable of realizing emergency braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220764373U (en) |
-
2023
- 2023-09-24 CN CN202322590516.3U patent/CN220764373U/en active Active
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