CN219636756U - Bridge crane operation control system and bridge crane - Google Patents
Bridge crane operation control system and bridge crane Download PDFInfo
- Publication number
- CN219636756U CN219636756U CN202320924251.3U CN202320924251U CN219636756U CN 219636756 U CN219636756 U CN 219636756U CN 202320924251 U CN202320924251 U CN 202320924251U CN 219636756 U CN219636756 U CN 219636756U
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- bridge crane
- signal
- piece
- control system
- operation control
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- 238000010310 metallurgical process Methods 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 42
- 239000010959 steel Substances 0.000 description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a bridge crane operation control system and a bridge crane, wherein the system comprises a signal transmitting piece, a signal receiving piece and a signal transmitting piece, wherein the signal transmitting piece is arranged on the bridge crane and is used for transmitting signals; the signal reflection piece is arranged on a path through which the signal transmission piece passes and is used for reflecting signals back to the signal transmission piece, the signal reflection piece has a preset length, and projection points of the end points of the two ends of the signal reflection piece, which are perpendicular to the ground, fall into a length range corresponding to the ground station tank truck in the running direction of the bridge crane; a hoisting height positioning member for detecting the hoisting height of the bridge crane to control the operation or stop of the bridge crane; and the control component is electrically connected with the signal transmitting piece in series, is electrically connected with the normally open contact of the hoisting height positioning component in parallel and is used for controlling the bridge crane to move left and right within the preset length of the signal reflecting piece according to the reflected signal under the condition that the bridge crane stops running. The efficiency and the safety of the metallurgical process are improved.
Description
Technical Field
The utility model relates to the technical field of bridge cranes in the metallurgical industry, in particular to a bridge crane operation control system and a bridge crane.
Background
At present, smelting production process equipment and facilities in the metallurgical industry are all arranged in the operation range of a bridge crane, a bridge crane driver is slightly careless and misjudges, the molten steel tank is extremely easy to hang and collide with equipment and ground obstacles to cause accidents, for example, under the condition that the driver hangs or places heavy molten steel tanks, empty molten steel tanks or other heavy objects above each station tank car, when the heavy molten steel tanks, the empty molten steel tanks or other heavy objects are not at the set safe height after being hung or before being placed, the driver runs the bridge crane due to misjudgment or misoperation, so that the accident that the heavy molten steel tanks, the empty molten steel tanks or other heavy objects collide with the ground equipment and the ground obstacles can occur, the ground equipment is crashed by the light people, and the heavy people cause serious safety accidents that the molten steel tanks collide with the molten steel tanks to fall to the ground. In addition, when a driver hangs or places a heavy molten steel tank, an empty molten steel tank or other heavy objects above the station tank car, the lifting height of the bridge crane is not up to the set safety height, and at the moment, the bridge crane can only stop running and can also influence the normal production work.
Therefore, it is necessary to design a bridge crane operation control system and a bridge crane.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the utility model provides a bridge crane operation control system and a bridge crane, which solve the technical problems that when a driver hangs or places a heavy molten steel tank, an empty molten steel tank or other heavy objects above a station tank car, and the heavy molten steel tank, the empty molten steel tank or other heavy objects are not at a set safety height after being hung or before being placed, the driver can run the bridge crane by mistake or misoperation to cause the equipment to be knocked and the molten steel tank to be knocked over, and meanwhile, the technical problems that when the lifting height of the bridge crane is not up to the set safety height, the bridge crane can only stop running to cause the influence on the normal operation of production work.
In one aspect, an embodiment of the present utility model discloses a bridge crane operation control system, which includes:
the signal transmitting piece is arranged on the bridge crane and is used for transmitting signals;
the signal reflection piece is arranged on a path through which the signal emission piece passes and is used for reflecting the signal back to the signal emission piece, the signal reflection piece has a preset length, and projection points of the end points of the two ends of the signal reflection piece, which are perpendicular to the ground, fall into a length range corresponding to the ground station tank truck in the running direction of the bridge crane;
a hoisting height positioning member for detecting a hoisting height of the bridge crane to control the operation or stop of the bridge crane;
and the control component is electrically connected with the signal transmitting piece in series, is electrically connected with the normally open contact of the hoisting height positioning component in parallel and is used for controlling the bridge crane to move left and right within the preset length of the signal reflecting piece according to the reflected signal under the condition that the bridge crane stops running.
According to one embodiment of the utility model, the signal transmitter is arranged at or above the rear side of the cab or operating room of the bridge crane.
According to one embodiment of the utility model, the signal reflector is arranged on a walking beam of the bridge crane.
According to one embodiment of the utility model, the signal emitting element is an infrared emitter.
According to one embodiment of the utility model, the signal reflecting member is a reflecting plate, the reflecting plate is rectangular, and the predetermined length of the reflecting plate is 0.9-1.1 m.
According to one embodiment of the utility model, the number of signal reflectors is equal to the number of on-ground station tankers.
According to one embodiment of the utility model, the hoisting height positioning member is arranged on the rotation axis of the hoisting drum of the bridge crane.
According to one embodiment of the utility model, the crane further comprises a first contactor electrically connected in series with the normally open contact of the hoisting height positioning member, the first normally open contact of the first contactor being electrically connected in series with the control line of the bridge crane.
According to one embodiment of the utility model, the control member is a second contactor electrically connected with the signal emitter for closing a second normally open contact of the second contactor according to the signal emitted back, the second normally open contact of the second contactor being electrically connected in parallel with a normally open contact of the hoisting height positioning member.
On the other hand, the embodiment of the utility model discloses a bridge crane, which comprises the bridge crane operation control system of any embodiment.
By adopting the technical scheme, the utility model has at least the following beneficial effects:
according to the bridge crane operation control system and the bridge crane, through the set winch height positioning component, when the lifting height of the winch of the bridge crane reaches the set safety height, the normal operation of the bridge crane is controlled; when the lifting height of the bridge crane does not reach the set safety height, the bridge crane is controlled to stop running, meanwhile, through the signal transmitting piece arranged on the bridge crane, the signal reflecting piece with the preset length arranged above the station tank car on the ground, and the control component which is electrically connected with the signal transmitting piece in series and is electrically connected with the normally open contact of the lifting height positioning component in parallel, the bridge crane can still move left and right in the area where the station tank car is arranged through the control component without affecting the operation of hanging or placing heavy steel water tanks, empty steel water tanks or other weights above the station tank car on the ground, and meanwhile, the accident that the heavy steel water tanks, the empty steel water tanks or other weights strike the ground equipment and other obstacles because the bridge crane is judged to be in error or misoperation by the driver can be avoided, and the efficiency of the metallurgical process and the safety of the metallurgical industry are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a bridge crane operation control system according to an embodiment of the utility model;
FIG. 2 is a schematic diagram illustrating the operation principle of the bridge crane operation control system according to an embodiment of the present utility model;
FIG. 3 is another schematic diagram illustrating the state of the operating principle of the bridge crane operation control system according to an embodiment of the present utility model;
fig. 4 is an electrical schematic diagram of the state of the working principle of the collision avoidance system of the bridge crane according to an embodiment of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
In the following description, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
In one aspect, as shown in fig. 1, an embodiment of the present utility model discloses a bridge crane operation control system, which includes:
the signal transmitting piece 5 is arranged on the bridge crane and is used for transmitting signals;
the signal reflection part 3 is arranged on a path through which the signal emission part 5 passes and is used for reflecting signals back to the signal emission part 5, the signal reflection part 3 has a preset length, and projection points of end points of two ends of the signal reflection part, which are perpendicular to the ground, fall into a length range corresponding to the above-ground station tank truck 13 in the running direction of the bridge crane;
a hoisting height positioning member 2 for detecting a height at which the bridge crane is hoisted to control the operation or stop of the bridge crane;
a control member (not shown in fig. 1) electrically connected in series with the signal emitter, and electrically connected in parallel with the normally open contact of the hoisting height positioning member 2 for controlling the bridge crane to move left and right within a predetermined length of the signal reflector 3 according to the reflected signal in the case that the bridge crane stops operating.
In the above embodiment, the safety height of the hoisting height positioning member may be set arbitrarily, and when the hoisting height of the bridge crane reaches the set safety height, the bridge crane operates normally; and stopping the bridge crane when the lifting height of the bridge crane is not up to the set safety height. Meanwhile, the bridge crane can still move left and right in the area range of the ground station tank truck through the control component without affecting the operation of hanging or placing heavy steel water tanks, empty steel water tanks or other heavy objects above the station tank truck by a driver under the condition that the bridge crane only stops running when the lifting height of the bridge crane does not reach the set safety height through the signal transmitting part arranged on the bridge crane, the signal reflecting part with the preset length arranged above the ground station tank truck and the control component which is electrically connected in series with the signal transmitting part and is electrically connected in parallel with the normally open contact of the lifting height positioning component.
In an embodiment of the utility model, the bridge crane is operated in the direction indicated by arrow L in fig. 2-3.
In some embodiments, the signal emitter 3 is arranged at or above the rear side of the cab or operator's compartment 8 of the bridge crane. In this embodiment, a set of signal transmitters is mounted on each bridge crane. In the embodiment, the signal transmitting part is arranged at the rear side or above the cab or the operation room of the bridge crane, so that the installation position of the signal transmitting part is simplified, the installation is convenient, and the implementation is easy. In other embodiments, the signal emitting member may be provided at other fixed devices or members on the bridge crane.
In some embodiments, the signal reflector 3 is arranged on the walking beam 6 of the bridge crane. In this embodiment, the mounting position of the signal reflecting member corresponds to the position of the signal transmitting member mounted on the rear side or above the cab or operating room of the bridge crane, and by means of the traveling block, the advantage of convenience in mounting and easiness in implementation is facilitated.
In some embodiments, the signal emitting member is an infrared emitter. The infrared emitter has the advantages of easy acquisition, cost saving, simple operation and easy realization.
In some embodiments, the signal reflector is a light reflector having a rectangular shape and a predetermined length of 0.9 to 1.1 meters. In the embodiment, the length of the reflecting plate is smaller than the corresponding length of the ground station tank truck in the running direction of the bridge crane, so that the operation of hanging or placing heavy molten steel tanks, empty molten steel tanks or other heavy objects in the corresponding length range of the ground station tank truck is realized. The reflector has the advantages of easy acquisition, cost saving, simple operation and easy realization, and in addition, the reflector is rectangular and can realize the correspondence with the horizontally moving infrared rays.
In some embodiments, the number of signal reflectors is equal to the number of above-ground station tankers. In this embodiment, as shown in fig. 2-3, a plurality of station tankers 13, 10 and 14 are arranged on the ground, a signal reflecting member is arranged above each station tanker 13, 10 and 14, as shown in fig. 2-3, a signal reflecting member 12 is arranged above the station tanker 10, and a signal reflecting member 15 is arranged above the station tankers 14, so that the bridge crane can move left and right within the length range corresponding to each station tanker 13, 10 and 14.
In some embodiments, the hoisting height positioning member 2 is arranged on the rotational axis of the hoisting drum 1 of the bridge crane.
In some embodiments, the bridge crane operation control system further comprises a first contactor electrically connected in series with the normally open contact of the hoisting height positioning member, the first normally open contact of the first contactor electrically connected in series with the control line of the bridge crane. In the embodiment, the first contactor is arranged in the cab electrical cabinet, when the heavy molten steel tank, the empty molten steel tank or other heavy objects hung by the bridge crane are lifted to the safe height arranged by the hoisting height positioning member during use, the normally open contact of the hoisting height positioning member is closed, the first contactor is electrically attracted to enable the first normally open contact to be closed, and the bridge crane can run left and right at the moment. When a heavy molten steel tank, an empty molten steel tank or other heavy objects hung by the bridge crane are not lifted to the safe height set by the hoisting height positioning member, the normally open contact of the hoisting height positioning member is disconnected, the first contactor is powered off to disconnect the first normally open contact, and at the moment, the bridge crane stops running.
In some embodiments, the control member is a second contactor electrically connected to the signal emitter for closing a second normally open contact of the second contactor according to the emitted back signal, the second normally open contact of the second contactor being electrically connected in parallel with the normally open contact of the hoisting height positioning member. In this embodiment, the second contactor is disposed in the cab electrical cabinet.
On the other hand, the embodiment of the utility model also discloses a bridge crane, which comprises the bridge crane operation control system of any one of the embodiments.
The operation control system of the bridge crane in one embodiment of the utility model has the following working principle:
as shown in fig. 2 to 4, the first contactor R and the second contactor a are installed in the electric cabinet of the cab, the second contactor a is electrically connected with the signal transmitting member 5, the second normally open contact A1 of the second contactor a is electrically connected in parallel with the normally open contact E of the hoisting height positioning member and then electrically connected in series with the first contactor R, and the first normally open contact R1 of the first contactor R is electrically connected in series with the control circuit of the bridge crane. When the crane is used, when a heavy molten steel tank, an empty molten steel tank 9 or other heavy objects hung on the bridge crane are lifted to the safe height set by the hoisting height positioning member, the normally open contact E of the hoisting height positioning member is closed, the first contactor R is electrically attracted to enable the first normally open contact R1 to be closed, and at the moment, the bridge crane can be operated left and right at will. When the heavy molten steel tank, the empty molten steel tank or other heavy objects 9 hung by the bridge crane are not lifted to the safe height set by the hoisting height positioning member, the normally open contact E of the hoisting height positioning member is disconnected, the first contactor R is powered off to disconnect the first normally open contact R1, and the bridge crane stops running at the moment. When the overhead crane hangs a heavy molten steel tank or an empty molten steel tank 9 to a station tank car 13 for carrying out the landing operation or when the overhead crane carries out the empty hanging of the heavy molten steel tank or the empty molten steel tank 9, an infrared light column 4 emitted by an infrared emitter 5 arranged at the rear side of a cab or an operation room 8 of the overhead crane is simultaneously irradiated to a reflecting plate 3, an infrared light column signal is reflected back to the infrared emitter 5 by the light emitting plate 3, after the infrared emitter 5 receives the infrared light column 4 signal, a coil of a second contactor A is electrified and sucked to enable a second normally open contact A1 to be closed, if the overhead crane is hoisted at a safety height above the set safety height, the second normally open contact A1 and a normally open contact E of a hoisting height positioning member are both closed, and two closed paths are arranged for a first contactor R, and the overhead crane can be operated left and right at the moment; if the bridge crane is hoisted and descends to be lower than the set safe height, the normally open contact E of the hoisting height positioning member is opened, and at the moment, a closed passage is still reserved for the first contactor R, the bridge crane is not influenced by the opening of the normally open contact E of the hoisting height positioning member, and can still move left and right freely within the preset length range of the reflecting plate, namely, the bridge crane can move left and right in the range of the area where the ground station tank truck is positioned to carry out hanging or falling heavy molten steel tanks, empty molten steel tanks or other heavy objects.
In summary, according to the bridge crane operation control system and the bridge crane disclosed by the embodiment of the utility model, through the set winch height positioning member, when the lifting height of the winch of the bridge crane reaches the set safety height, the bridge crane is controlled to normally operate; when the lifting height of the bridge crane does not reach the set safety height, the bridge crane is controlled to stop running, meanwhile, through the signal transmitting piece arranged on the bridge crane, the signal reflecting piece with the preset length arranged above the station tank car on the ground, and the control component which is electrically connected with the signal transmitting piece in series and is electrically connected with the normally open contact of the lifting height positioning component in parallel, the bridge crane can still move left and right in the area where the station tank car is arranged through the control component without affecting the operation of hanging or placing heavy steel water tanks, empty steel water tanks or other weights above the station tank car on the ground, and meanwhile, the accident that the heavy steel water tanks, the empty steel water tanks or other weights strike the ground equipment and other obstacles because the bridge crane is judged to be in error or misoperation by the driver can be avoided, and the efficiency of the metallurgical process and the safety of the metallurgical industry are greatly improved.
It should be noted that, each component or step in each embodiment may be intersected, replaced, added, and deleted, and therefore, the combination formed by these reasonable permutation and combination transformations shall also belong to the protection scope of the present utility model, and shall not limit the protection scope of the present utility model to the embodiments.
The foregoing is an exemplary embodiment of the present disclosure, and the order in which the embodiments of the present disclosure are disclosed is merely for the purpose of description and does not represent the advantages or disadvantages of the embodiments. It should be noted that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest that the scope of the disclosure of embodiments of the utility model (including the claims) is limited to these examples and that various changes and modifications may be made without departing from the scope of the utility model as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the utility model, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the utility model, and there are many other variations of the different aspects of the embodiments of the utility model as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are made within the spirit and principles of the embodiments of the utility model, are included within the scope of the embodiments of the utility model.
Claims (10)
1. A bridge crane operation control system, comprising:
the signal transmitting piece is arranged on the bridge crane and is used for transmitting signals;
the signal reflection piece is arranged on a path through which the signal emission piece passes and is used for reflecting the signal back to the signal emission piece, the signal reflection piece has a preset length, and projection points of the end points of the two ends of the signal reflection piece, which are perpendicular to the ground, fall into a length range corresponding to the ground station tank truck in the running direction of the bridge crane;
a hoisting height positioning member for detecting a hoisting height of the bridge crane to control the operation or stop of the bridge crane;
and the control component is electrically connected with the signal transmitting piece in series, is electrically connected with the normally open contact of the hoisting height positioning component in parallel and is used for controlling the bridge crane to move left and right within the preset length of the signal reflecting piece according to the reflected signal under the condition that the bridge crane stops running.
2. The bridge crane operation control system according to claim 1, wherein the signal transmitting member is provided at or above a rear side of a cab or an operating room of the bridge crane.
3. The overhead crane operation control system according to claim 2, wherein the signal reflector is disposed on a walking beam of the overhead crane.
4. The overhead crane operation control system according to claim 1, wherein the signal emitting member is an infrared emitter.
5. The overhead travelling crane operation control system according to claim 1, wherein the signal reflecting member is a reflecting plate, the reflecting plate is rectangular, and the predetermined length of the reflecting plate is 0.9 to 1.1 m.
6. The overhead crane operation control system of claim 1 wherein the number of signal reflectors is equal to the number of overhead tank trucks.
7. The bridge crane operation control system according to claim 1, wherein the hoisting height positioning member is provided on a rotation shaft of a hoisting drum of the bridge crane.
8. The overhead crane operation control system of claim 1, further comprising a first contactor electrically connected in series with a normally open contact of the hoist height positioning member, the first normally open contact of the first contactor electrically connected in series with a control line of the overhead crane.
9. The overhead crane operation control system according to claim 1, wherein the control member is a second contactor electrically connected to the signal emitter for closing a second normally open contact of the second contactor according to the signal emitted back, the second normally open contact of the second contactor being electrically connected in parallel with a normally open contact of the hoisting height positioning member.
10. Bridge crane, characterized by comprising a bridge crane operation control system according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924251.3U CN219636756U (en) | 2023-04-23 | 2023-04-23 | Bridge crane operation control system and bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924251.3U CN219636756U (en) | 2023-04-23 | 2023-04-23 | Bridge crane operation control system and bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219636756U true CN219636756U (en) | 2023-09-05 |
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ID=87815787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924251.3U Active CN219636756U (en) | 2023-04-23 | 2023-04-23 | Bridge crane operation control system and bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219636756U (en) |
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2023
- 2023-04-23 CN CN202320924251.3U patent/CN219636756U/en active Active
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