CN115973909A - Cable drum power supply device of bridge crane - Google Patents
Cable drum power supply device of bridge crane Download PDFInfo
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- CN115973909A CN115973909A CN202211740517.5A CN202211740517A CN115973909A CN 115973909 A CN115973909 A CN 115973909A CN 202211740517 A CN202211740517 A CN 202211740517A CN 115973909 A CN115973909 A CN 115973909A
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- power supply
- cable drum
- bridge crane
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Abstract
The invention discloses a cable drum power supply device of a bridge crane, which comprises a cable drum, a fixed pulley block, a ground power supply cabinet and an onboard power supply cabinet, wherein the cable drum, the fixed pulley block and the onboard power supply cabinet are fixedly arranged on the bridge crane, a cable of the ground power supply cabinet is connected to a cable bridge, a cable side pull net sleeve is arranged on the cable bridge and is connected with a fixed pull ring, the cable penetrates through the cable side pull net sleeve and then is connected with the cable drum through the fixed pulley block, and the electric energy output end of the cable drum is connected with the input end of the onboard power supply cabinet. The cable drum is used as power supply equipment of the bridge type grab crane, and the cable drum is matched with the pulley block and the cable bridge, so that sparks generated in the operation process can be prevented, the deflagration of coal dust is caused, and safety accidents are caused.
Description
Technical Field
The invention is suitable for the technical field of fuel conveying systems, and particularly relates to a cable drum power supply device of a bridge crane.
Background
The fuel conveying system is an indispensable component of a thermal power plant and is one of the frequent sites of fire accidents and mechanical injury accidents, and the safe operation of the fuel conveying system is directly related to the safe operation of a unit.
In a plurality of strip-shaped coal storehouses adopting bridge type grab cranes in China, most cranes still adopt a slide wire power supply mode, and the power supply mode easily generates electric sparks in the running process of the cranes, ignites coal dust in air and causes fire and explosion.
Disclosure of Invention
In view of the fact that electric sparks are easy to generate due to the fact that the existing crane is powered by a slide wire, and the risk of fire and explosion exists, the cable drum power supply device for the bridge crane is simple in structure, safe and reliable.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
the utility model provides a bridge crane cable drum power supply unit, includes cable drum, standing block, ground power cabinet and power cabinet on the machine, cable drum, standing block and power cabinet fixed mounting on the bridge crane are last, the cable junction of ground power cabinet is to on the cable testing bridge, be provided with cable side pull net cover on the cable testing bridge, cable side pull net cover is connected with a fixed pull ring, the cable passes rethread standing block is connected behind the cable side pull net cover the cable drum, the electric energy output of cable drum with power cabinet input on the machine is connected.
According to one aspect of the invention, the cable bridge is arranged on one side of a middle column of the dry coal shed.
According to one aspect of the invention, the fixing tab is fixedly connected to the intermediate post.
According to one aspect of the invention, the ground power cabinet is connected to an external power supply.
According to one aspect of the invention, the cable drum is driven by a torque motor, and a rotating shaft of the cable drum is fixedly connected with an output shaft of the torque motor through a coupling.
In accordance with one aspect of the invention, the cable reel is a spring-loaded cable reel.
According to one aspect of the invention, the cable side pull net cover comprises a wire rope net and a traction ring, wherein one end of the traction ring is fixedly connected with the wire rope net, and the other end of the traction ring is connected with a fixing pull ring.
According to one aspect of the invention, the cable is connected to the cable tray by a conduit.
According to one aspect of the invention, the conduit is a right angle hollow conduit.
According to one aspect of the invention, the threading pipe is provided with a plurality of pipe clamps, and the plurality of pipe clamps are uniformly distributed along the axial direction of the threading pipe.
The implementation of the invention has the advantages that: the utility model provides a bridge crane cable drum power supply unit, is through adopting the cable drum as bridge crane grab's power supply unit, cooperation fixed pulley group, cable testing bridge, can prevent to produce the spark in the operation process, causes the buggy deflagration, causes the incident, adopts the fixed cable of the fixed pull ring of side pull net cover cooperation simultaneously, further improves fail safe nature, has avoided the risk that the electric spark that adopts the slide-wire power supply to bring formed the conflagration. The threading pipe is additionally arranged, the telescopic or displacement phenomenon between each layer structure of the cable is reduced, the connection strength of the cable can be effectively increased, the integrity of the cable is guaranteed, and the problem that potential safety hazards occur due to the fact that the cable is stretched is effectively solved. The cable drum power supply device of the bridge crane has the characteristics of simple structure, safety, reliability and the like, and has strong practicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an appearance schematic diagram of a cable drum power supply device of a bridge crane according to the present invention.
In fig. 1: 1. a bridge crane; 2. a cable drum; 3. a fixed pulley block; 4. a threading tube; 5. a ground power cabinet; 6. a cable side pull net sleeve; 7. fixing a pull ring; 8. a cable bridge; 9. an on-board power cabinet; 10. a cable; 11. a middle column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a cable drum power supply device for a bridge crane includes a cable drum 2, a fixed pulley block 3, a ground power cabinet 5 and an onboard power cabinet 9, wherein the cable drum 2, the fixed pulley block 3 and the onboard power cabinet 9 are fixedly installed on the bridge crane 1, a cable 10 of the ground power cabinet 5 is connected to a cable bridge 8, the cable bridge 8 is provided with a cable side pull net sleeve 6, the cable side pull net sleeve 6 is connected with a fixed pull ring 7, the cable 10 penetrates through the cable side pull net sleeve 6 and then is connected with the cable drum 2 through the fixed pulley block 3, and an electric energy output end of the cable drum 2 is connected with an input end of the onboard power cabinet 9.
When the power supply device works, an external power supply is connected to the ground power supply cabinet 5, a cable 10 of the ground power supply cabinet 5 is connected to the cable bridge 8, the cable 10 is fixed in a mode that the cable side pull net sleeve 6 is matched with the fixed pull ring 7, the cable 10 penetrates through the cable side pull net sleeve 6 and then is connected to the cable drum 2 through the fixed pulley block 3, the electric energy output end on the cable drum 2 is connected with the input end of the on-board power supply cabinet 9, and the on-board power supply cabinet 9 is connected with each motor, so that the on-board power supply cabinet 9 supplies power to each motor.
In practical application, the cable bridge 8 is arranged on one side of a middle column 11 of the dry coal shed, and the cable bridge 8 is used for bearing a power supply cable 10. For convenience of operation, the height of the cable tray 8 is lower than that of the cable platform, and specifically, the height difference between the cable tray 8 and the cable platform is not more than 15cm. Further, the fixed pull ring 7 is arranged on the middle column 11 of the dry coal bunker, and the fixed pull ring 7 is fixedly connected with the middle column 11.
When the bridge crane 1 runs from the middle of the dry coal bunker to two ends, the cable on the cable drum 2 starts to discharge under the tension of the cable side pull net sleeve 6, at the moment, the torque motor is forced to rotate reversely, and the cable is placed on the cable bridge frame 8. When the bridge type grab bucket crane 1 runs from two ends of the dry coal bunker to the middle, the cable drum 2 starts to take up under the action of the torque motor, and the cable on the cable bridge 8 is gradually taken into the cable drum 2.
The cable drum 2 is used as power supply equipment of the bridge crane and matched with the fixed pulley block 3 and the cable bridge frame 8, so that sparks can be prevented from being generated in the operation process, coal dust deflagration is caused, safety accidents are caused, meanwhile, the cable 10 is fixed in a mode that the cable side pull net sleeve 6 is matched with the fixed pull ring 7, the safety and reliability are further improved, and the risk of fire hazard caused by electric sparks generated by power supply of a slide wire is avoided. The cable drum power supply device of the bridge crane has the characteristics of simple structure, safety, reliability and the like, and has strong practicability.
In practical application, the cable drum 2 is a spring type cable drum. The spring type cable drum is used for controlling the winding-up and the unwinding of the cable. The cable drum 2 is driven by a torque motor, a rotating shaft of the cable drum 2 is fixedly connected with an output shaft of the torque motor through a coupler, the cable drum 2 is provided with an electric energy output end matched with an input end of the onboard power cabinet 9, and effective connection with an electric energy input end of the onboard power cabinet 9 system is guaranteed through the cable drum 2. Specifically, the cable drum 2 can be fixedly mounted on the bridge crane through a cable platform bracket.
In practical application, the cable 10 is connected to the cable bridge 8 through the threading pipe 4, and the cable side pull net sleeve 6 is correspondingly arranged at the outlet of the threading pipe 4. The threading pipe 4 is a right-angled hollow pipe, an accommodating cavity is formed in the hollow pipe, and the cable 10 penetrates through the accommodating cavity and is connected to the cable bridge 8. Specifically, the threading pipe 4 can be a galvanized steel pipe.
Due to the fact that the threading pipe 4 is additionally arranged, the telescopic or displacement phenomenon between the hierarchical structures of the cable 10 is reduced, the connection strength of the cable 10 can be effectively improved, the integrity of the cable is guaranteed, and the problem that potential safety hazards occur due to the fact that the cable 10 is stretched is effectively solved.
After the cable 10 passes through the conduit 4, in order to stably install the cable 10 in the conduit 4, a fastening portion may be provided on the conduit 4 to attach the conduit 4 to the cable 10. Wherein, fastening portion can be the pipe strap, and the pipe strap can be established to a plurality ofly, and a plurality of pipe straps are located threading pipe 4 along the axial direction equipartition cover of threading pipe 4 on, and a plurality of pipe straps set up on threading pipe 4 along the length direction of threading pipe 4 promptly. This arrangement further enables the conduit 4 to be more securely mounted to the cable 10.
In practical application, the cable side net 6 comprises a steel wire rope net and a traction ring, wherein the traction ring is of a closed ring structure, and the traction ring can be made of a steel wire rope. One end of the traction ring is fixedly connected to one side of the steel wire rope net, and the other end of the traction ring is connected with the fixed pull ring.
The implementation of the invention has the advantages that: the utility model provides a bridge crane cable drum power supply unit, is through adopting the cable drum as bridge crane grab's power supply unit, cooperation fixed pulley group, cable testing bridge, can prevent to produce the spark in the operation process, causes the buggy deflagration, causes the incident, adopts the fixed cable of the fixed pull ring of side pull net cover cooperation simultaneously, further improves fail safe nature, has avoided the risk that the electric spark that adopts the slide-wire power supply to bring formed the conflagration. The threading pipe has been add, has reduced the flexible or displacement phenomenon between the hierarchical structure of cable, and the integrality of cable has been guaranteed to the joint strength that can effectual increase cable, and the effectual cable of preventing is stretched and takes place the problem of potential safety hazard. The cable drum power supply device of the bridge crane has the characteristics of simple structure, safety, reliability and the like, and has strong practicability.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a bridge crane cable drum power supply unit, its characterized in that, includes cable drum, standing block, ground power cabinet and the power cabinet on the aircraft, cable drum, standing block and the power cabinet fixed mounting on the bridge crane, the cable of ground power cabinet is connected to on the cable testing bridge, be provided with cable side pull net cover on the cable testing bridge, cable side pull net cover is connected with a fixed pull ring, the cable passes rethread standing block is connected behind the cable side pull net cover the cable drum, the electric energy output of cable drum with power cabinet input on the aircraft is connected.
2. The bridge crane cable reel power supply unit of claim 1, wherein the cable bridge is disposed on one side of the middle column of the dry coal shed.
3. A bridge crane cable drum power supply unit as claimed in claim 2, wherein said fixing pull ring is fixedly connected to said intermediate post.
4. The bridge crane cable reel power supply device as claimed in claim 1, wherein the ground power supply cabinet is connected with an external power supply.
5. The power supply device for the cable drum of the bridge crane according to claim 1, wherein the cable drum is driven by a torque motor, and a rotating shaft of the cable drum is fixedly connected with an output shaft of the torque motor through a coupling.
6. The bridge crane cable reel power supply device of claim 1, wherein the cable reel is a spring-loaded cable reel.
7. The power supply device for the cable drum of the bridge crane according to claim 1, wherein the cable side pull net cover comprises a wire rope net and a pull ring, one end of the pull ring is fixedly connected with the wire rope net, and the other end of the pull ring is connected with the fixed pull ring.
8. A bridge crane cable drum power supply apparatus as claimed in any one of claims 1 to 7, wherein the cable is connected to the cable tray by a conduit.
9. The power supply device for cable reel of bridge crane according to claim 8, wherein said threading tube is a rectangular hollow tube.
10. The bridge crane cable reel power supply device according to claim 9, wherein a plurality of pipe clamps are arranged on the threading pipe, and are uniformly distributed along the axial direction of the threading pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211740517.5A CN115973909A (en) | 2022-12-31 | 2022-12-31 | Cable drum power supply device of bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211740517.5A CN115973909A (en) | 2022-12-31 | 2022-12-31 | Cable drum power supply device of bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115973909A true CN115973909A (en) | 2023-04-18 |
Family
ID=85969878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211740517.5A Pending CN115973909A (en) | 2022-12-31 | 2022-12-31 | Cable drum power supply device of bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115973909A (en) |
-
2022
- 2022-12-31 CN CN202211740517.5A patent/CN115973909A/en active Pending
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