CN212024588U

CN212024588U - Explosion-proof electric single-beam bridge crane for clean room

Info

Publication number: CN212024588U
Application number: CN201922207887.2U
Authority: CN
Inventors: 董彦波; 丁一
Original assignee: Demarco Hoisting Machinery Co Ltd
Current assignee: Demarco Hoisting Machinery Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-11-27
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to an explosion-proof electronic single beam bridge crane of toilet, it mainly includes girder, calabash motor, dolly motor, the cart motor, be provided with the electric frame on the girder, there is the electric box on the electric frame, the girder both ends are provided with the blanking plate, all be provided with air exhauster A on the blanking plate, air exhauster A top is provided with dust cage A, air exhauster A below is provided with exhaust column A, the girder both ends all are provided with the cart, the cart below all is provided with cart walking rail, be provided with the dolly on the girder, be provided with the lifting hook on the dolly, the lifting hook passes through wire rope and connects the winder, the utility model discloses effectively solved among the prior art bridge crane operation because the friction produces more dust, do not have dust removal structure, can not be used for the higher workshop scheduling problem to the operation environmental requirement, and the security performance is higher, and the protective effect is stronger, always the utility model discloses have, Strong dust removal effect, stable operation, fine positioning structure and function.

Description

Explosion-proof electric single-beam bridge crane for clean room

Technical Field

The utility model belongs to the hoisting equipment field, concretely relates to hoist, in particular to explosion-proof electronic single beam bridge crane of toilet.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called a crown block, a crane and a bridge crane, and belongs to a crane. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, materials can be lifted and transported by fully utilizing the space below the bridge frame and are not blocked by ground equipment, the bridge crane is a crane machine with the widest application range and the largest quantity, more dust can be generated due to wheel friction when the existing bridge crane runs, but the clean rooms such as aerospace precision, sterile pharmaceutical workshops and food manufacturing factories have higher requirements on the operation environment, and therefore, the clean room explosion-proof electric single-beam bridge crane with precise positioning is extremely important.

Disclosure of Invention

In order to overcome the defects of the prior art, the anti-explosion electric single-beam bridge crane for the clean room is provided, and the problems that the bridge crane in the prior art generates more dust due to friction during operation, does not have a dust removal structure, and cannot be used in a workshop with higher requirements on the operation environment and the like can be effectively solved.

The purpose of the utility model is realized like this: an explosion-proof electric single-beam bridge crane for a clean room mainly comprises a main beam, a hoist motor, a trolley motor and a cart motor, wherein an electric frame is arranged on the main beam, an electric box is arranged on the electric frame, two ends of the main beam are provided with blanking plates, the blanking plates are provided with exhaust fans A respectively, a dust hood A is arranged above the exhaust fans A, an exhaust pipe A is arranged below the exhaust fans A, carts are arranged at two ends of the main beam, cart traveling rails are arranged below the carts, a cart power supply groove is arranged on the inner side of the left cart traveling rail, the main beam is provided with a trolley, the trolley is provided with a lifting hook, the lifting hook is connected with a reel through a steel wire rope, two sides of the main beam are provided with air draft long pipes, the air draft long pipes penetrate through the side wall of the main beam through connecting pipes A to be connected with a five-way connector, the connector of five-way joint top connect exhaust column B, exhaust column B upper end run through the girder top and connect the convulsions nozzle stub through three way connection, three way connection pass through connecting pipe B and connect, connecting pipe B pass through three way connection and connect air exhauster B, air exhauster B right side be provided with dust cage B.

The electric box in be equipped with PLC integrated control system and hoisting mechanism converter system, the electric box be explosion-proof control box.

The PLC integrated control system is controlled by a computer in a remote control mode.

And the cart and the trolley transmit the running direction and the speed to a hoisting mechanism frequency converter system through a CANopen bus when in running.

The dust hood A and the dust hood B are both provided with a plurality of air outlet holes, and the inner wall of the dust hood at the inner side of the air outlet holes is provided with a filter screen.

The cart by cart motor, cart walking wheel, brake fluted disc, support frame, power connection spare constitute, cart walking wheel quantity be 2, brake fluted disc and cart walking rail meshing be connected, cart walking wheel and cart walking rail roll connection, power connection spare and cart power groove be sliding connection, the dolly constitute by dolly motor, calabash motor, dolly walking wheel, lifting hook, wire rope, winder, mount, dust cover, the dust cover set up in the mount below and be connected with the lifting hook, dolly walking wheel and girder roll connection, dolly walking wheel quantity be 4.

The exhaust pipe A is a Y-shaped exhaust pipe, and two exhaust openings of the exhaust pipe A far away from the exhaust fan A are positioned on the outer side of the cart travelling wheel.

The air draft long pipe is provided with a plurality of air exhaust holes, and the positions of the air exhaust holes are close to the trolley travelling wheels.

Calabash motor, dolly motor, cart motor be explosion-proof machine, wire rope be stainless steel wire rope, dolly walking wheel, cart walking wheel be the compound wheel of stainless steel polyurethane, the reel on the winder be the stainless steel bobbin, the dust cover material be the deformable dust cover of rubber, air exhauster A, air exhauster B be powerful air exhauster.

The utility model has the advantages that: when the utility model is used, the object to be moved is fixed to the lifting hook, the hoist motor drives the winder to run and the winder winding wire lifts the fixed object, the PLC integrated control system is remotely controlled by the computer to ensure that the cart and the trolley run to realize the micro-motion of 0.5CM so as to ensure the accurate positioning of the carried workpiece, the running direction and the speed are transmitted to the hoisting mechanism frequency converter system through the CANopen bus line when the cart and the trolley run so as to generate corresponding reaction force so as to offset the acting force generated to the hoisting heavy object when the cart runs, so as to ensure that the hoisting heavy object does not swing when the cart runs and stops, the safety of the cart and the trolley when the hoisting heavy object is ensured, a plurality of air suction pipelines are arranged in the main beam, the air exhauster B can be controlled to open air suction when the trolley runs, the air suction opening of the air suction pipeline is close to the trolley travelling wheel, dust generated by the friction between the trolley and the main beam when the trolley runs can be sucked to the dust, the exhaust fan A arranged on the plug board can pump dust generated by friction between wheels of a cart and a cart traveling rail when the cart travels to the dust collection cover A along the exhaust pipe A, so that the cleanness of an operation site is ensured, the motor is directly started or Y/D started, and the starting current is equal to (4-7) times of rated current, so that serious impact can be caused to electromechanical equipment and a power supply grid, the requirement on the capacity of the grid is overhigh, the large current generated during starting and the damage to electrical components during vibration are extremely large, the service life of the equipment and the motor are extremely unfavorable, the soft starting function of the lifting mechanism frequency converter system loaded on the electric box can ensure that the starting current starts from zero, the maximum value does not exceed the rated current, the impact on the grid and the requirement on the power supply capacity are reduced, the service life of the electric hoist is prolonged, the maintenance cost of the equipment is saved, and after the electric hoist uses the lifting mechanism frequency converter system, the circuit current is obviously reduced, the loss on the circuit is greatly reduced, the electric box is an explosion-proof control box, the protection grade of the electric box is IP65, the electric box is suitable for inflammable and explosive occasions (industries such as coal mines, chemical engineering, petroleum and electric power), the safety coefficient is high, the operation function is strong, the performance is stable, a plurality of air outlets are arranged on the dust hood A and the dust hood B, a filter screen is arranged on the inner wall of the dust hood A and the inner wall of the dust hood B inside the air outlets, the dust pumped to the dust hood can be filtered and concentrated to the dust hood and is convenient to clean, the air pumping pipe A is a Y-shaped air pumping pipe, two air pumping ports of the air pumping pipe A far away from the exhaust fan A are positioned outside two travelling wheels of a cart, a plurality of small holes are arranged on the air pumping long pipe, the positions of the small holes are close to the travelling wheels of the cart, the produced dust can be synchronously, The cart motors are all explosion-proof motors, the steel wire ropes are stainless steel wire ropes, the cart travelling wheels and the cart travelling wheels are stainless steel polyurethane composite wheels, winding drums on the winder are stainless steel winding drums, the dustproof cover material is a rubber deformable dustproof cover, the exhaust fan A and the exhaust fan B are strong exhaust fans, the explosion-proof motors have the characteristic of explosion prevention and have higher safety performance, the stainless steel polyurethane composite wheels have the characteristics of no noise, wear resistance and the like when walking, the dustproof cover material is a rubber deformable dustproof cover and can deform according to the descending or ascending distance of a lifting hook when the lifting hook descends, the exhaust fans A and the exhaust fan B are strong exhaust fans and can provide stronger suction when in use, so that the dust removal effect is stronger, the utility model effectively solves the problems that in the prior art, when a bridge crane runs, more dust is generated due to friction, the bridge crane does not have a dust removal structure and cannot be used in workshops, and the security performance is higher, and the protecting effect is stronger, general the utility model has the advantages of explosion-proof, dust removal effect is strong, the operation is stable, have smart location structure and function.

Drawings

FIG. 1 is a front view of an explosion-proof electric single-beam bridge crane for clean rooms of the present invention;

FIG. 2 is a left side view of the clean room explosion-proof electric single-beam bridge crane trolley of the present invention;

fig. 3 is a schematic structural view of the anti-explosion electric single-beam bridge crane cart for clean room of the present invention.

In the figure: 1. girder 2, hoist motor 3, dolly motor 4, cart motor 5, electric frame 6, electric box 7, blanking plate 8, air exhauster A9, dust cage A10, exhaust column A11, cart 12, cart walking rail 13, cart power supply groove 14, dolly 15, lifting hook 16, wire rope 17, winder 18, convulsions long tube 19, connecting pipe A20, five-way connection 21, exhaust column B22, three way connection 23, convulsions nozzle stub 24, exhaust column B25, dust cage B26, cart walking wheel 27, brake fluted disc 28, support frame 29, power connecting piece 30, cart walking wheel 31, mount 32, dust cover.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1, 2 and 3, an explosion-proof electric single-beam bridge crane for clean rooms mainly comprises a main beam 1, a hoist motor 2, a trolley motor 3 and a trolley motor 4, wherein an electric frame 5 is arranged on the main beam 1, an electric box 6 is arranged on the electric frame 5, plug plates 7 are arranged at two ends of the main beam 1, exhaust fans A8 are arranged on the plug plates 7, a dust hood A9 is arranged above the exhaust fan A8, an exhaust pipe A10 is arranged below the exhaust fan A8, trolleys 11 are arranged at two ends of the main beam 1, trolley power rails 12 are arranged below the trolleys 11, a trolley power supply groove 13 is arranged on the inner side of the trolley power rail 12 at the left side, a trolley 14 is arranged on the main beam 1, a lifting hook 15 is arranged on the trolley 14, the lifting hook 15 is connected with a wire rope winder 17 through a steel wire rope 16, 1 both sides of girder be provided with convulsions long tube 18, convulsions long tube 18 all run through 1 lateral wall of girder through connecting pipe A19 and connect five-way connection 20, the articulate exhaust column B21 of five-way connection 20 top, exhaust column B21 upper end run through 1 top of girder and connect convulsions nozzle stub 23 through three way connection 22, three way connection 22 connect through connecting pipe B33, connecting pipe B33 connect air exhauster B24 through three way connection 22, air exhauster B24 right side be provided with dust cage B25.

The utility model discloses when using: when the utility model is used, the object to be moved is fixed to the lifting hook, the hoist motor drives the winder to run and the winder winding wire lifts the fixed object, the PLC integrated control system is remotely controlled by the computer to ensure that the cart and the trolley run to realize the micro-motion of 0.5CM so as to ensure the accurate positioning of the carried workpiece, the running direction and the speed are transmitted to the hoisting mechanism frequency converter system through the CANopen bus line when the cart and the trolley run so as to generate corresponding reaction force so as to offset the acting force generated to the hoisting heavy object when the cart runs, so as to ensure that the hoisting heavy object does not swing when the cart runs and stops, the safety of the cart and the trolley when the hoisting heavy object is ensured, a plurality of air suction pipelines are arranged in the main beam, the air exhauster B can be controlled to open air suction when the trolley runs, the air suction opening of the air suction pipeline is close to the trolley travelling wheel, dust generated by the friction between the trolley and the main beam when the trolley runs can be sucked to the dust, the exhaust fan A arranged on the plug board can pump dust generated by friction between wheels of a cart and a cart traveling rail when the cart travels to the dust collection cover A along the exhaust pipe A, so that the cleanness of an operation site is ensured, the motor is directly started or Y/D started, and the starting current is equal to (4-7) times of rated current, so that serious impact can be caused to electromechanical equipment and a power supply grid, the requirement on the capacity of the grid is overhigh, the large current generated during starting and the damage to electrical components during vibration are extremely large, the service life of the equipment and the motor are extremely unfavorable, the soft starting function of the lifting mechanism frequency converter system loaded on the electric box can ensure that the starting current starts from zero, the maximum value does not exceed the rated current, the impact on the grid and the requirement on the power supply capacity are reduced, the service life of the electric hoist is prolonged, the maintenance cost of the equipment is saved, and after the electric hoist uses the lifting mechanism frequency converter system, the circuit current has obviously to reduce, and the loss on the circuit reduces greatly, the utility model discloses effectively solved among the prior art bridge crane operation because the friction produces more dust, do not have dust collecting structure, can not be used for the higher workshop scheduling problem of operation environmental requirement, and the security performance is higher, and protective effect is stronger, total the utility model has the advantages of explosion-proof, dust removal effect is strong, the operation is stable, have smart location structure and function.

Example 2

As shown in fig. 1, 2 and 3, an explosion-proof electric single-beam bridge crane for clean rooms mainly comprises a main beam 1, a hoist motor 2, a trolley motor 3 and a trolley motor 4, wherein an electric frame 5 is arranged on the main beam 1, an electric box 6 is arranged on the electric frame 5, plug plates 7 are arranged at two ends of the main beam 1, exhaust fans A8 are arranged on the plug plates 7, a dust hood A9 is arranged above the exhaust fan A8, an exhaust pipe A10 is arranged below the exhaust fan A8, trolleys 11 are arranged at two ends of the main beam 1, trolley power rails 12 are arranged below the trolleys 11, a trolley power supply groove 13 is arranged on the inner side of the trolley power rail 12 at the left side, a trolley 14 is arranged on the main beam 1, a lifting hook 15 is arranged on the trolley 14, the lifting hook 15 is connected with a wire rope winder 17 through a steel wire rope 16, 1 both sides of girder be provided with convulsions long tube 18, convulsions long tube 18 all run through girder 1 lateral wall through connecting pipe A19 and connect five-way joint 20, the articulate exhaust column B21 of five-way joint 20 top, exhaust column B21 upper end run through girder 1 top and connect convulsions nozzle stub 23 through three way connection 22, three way connection 22 connect through connecting pipe B33, connecting pipe B33 connect air exhauster B24 through three way connection 22, air exhauster B24 right side be provided with dust cage B25, electric box 6 in be equipped with PLC integrated control system and hoisting mechanism converter system, electric box 6 be explosion-proof control box, PLC integrated control system pass through computer remote control, cart 11, dolly 14 during operation with direction of operation, speed transmit hoisting mechanism converter system for through CANopen bus, dust cage A9, five-way joint, Dust cage B25 is provided with a plurality of air outlets, the inboard dust cage inner wall of air outlet is provided with the filter screen, cart 11 by cart motor 4, cart walking wheel 26, brake fluted disc 27, support frame 28, power connector 29 constitute, cart walking wheel 26 quantity be 2, brake fluted disc 27 with cart walking rail 12 meshing connection, cart walking wheel 26 and cart walking rail 12 roll connection, power connector 29 and cart power groove 13 be sliding connection, exhaust column A10 be Y type exhaust column, exhaust column A10 keep away from two suction openings of exhaust column A8 and be located the cart walking wheel 26 outside, dolly 14 constitute by dolly motor 3, calabash motor 2, dolly walking wheel 30, lifting hook 15, wire rope 16, winder 17, mount 31, dust cover 32 set up in the mount 31 below and be connected with lifting hook 15, dolly walking wheel 30 and 1 roll connection of girder, dolly walking wheel 30 quantity be four, convulsions long tube 18 on open and to have a plurality of aspirating holes, its aspirating hole position is close to dolly walking wheel 30, calabash motor 2, dolly motor 3, cart motor 4 be explosion-proof motor, wire rope 16 be stainless steel wire rope, dolly walking wheel 30, cart walking wheel 26 be the compound wheel of stainless steel polyurethane, winder 17 on the reel be the stainless steel reel, dust cover 32 material be the deformable dust cover of rubber, air exhauster A8, air exhauster B24 be powerful air exhauster.

The utility model discloses when using: when the utility model is used, the object to be moved is fixed to the lifting hook, the hoist motor drives the winder to run and the winder winding wire lifts the fixed object, the PLC integrated control system is remotely controlled by the computer to ensure that the cart and the trolley run to realize the micro-motion of 0.5CM so as to ensure the accurate positioning of the carried workpiece, the running direction and the speed are transmitted to the hoisting mechanism frequency converter system through the CANopen bus line when the cart and the trolley run so as to generate corresponding reaction force so as to offset the acting force generated to the hoisting heavy object when the cart runs, so as to ensure that the hoisting heavy object does not swing when the cart runs and stops, the safety of the cart and the trolley when the hoisting heavy object is ensured, a plurality of air suction pipelines are arranged in the main beam, the air exhauster B can be controlled to open air suction when the trolley runs, the air suction opening of the air suction pipeline is close to the trolley travelling wheel, dust generated by the friction between the trolley and the main beam when the trolley runs can be sucked to the dust, the exhaust fan A arranged on the plug board can pump dust generated by friction between wheels of a cart and a cart traveling rail when the cart travels to the dust collection cover A along the exhaust pipe A, so that the cleanness of an operation site is ensured, the motor is directly started or Y/D started, and the starting current is equal to (4-7) times of rated current, so that serious impact can be caused to electromechanical equipment and a power supply grid, the requirement on the capacity of the grid is overhigh, the large current generated during starting and the damage to electrical components during vibration are extremely large, the service life of the equipment and the motor are extremely unfavorable, the soft starting function of the lifting mechanism frequency converter system loaded on the electric box can ensure that the starting current starts from zero, the maximum value does not exceed the rated current, the impact on the grid and the requirement on the power supply capacity are reduced, the service life of the electric hoist is prolonged, the maintenance cost of the equipment is saved, and after the electric hoist uses the lifting mechanism frequency converter system, the circuit current is obviously reduced, the loss on the circuit is greatly reduced, the electric box is an explosion-proof control box, the protection grade of the electric box is IP65, the electric box is suitable for inflammable and explosive occasions (industries such as coal mines, chemical engineering, petroleum and electric power), the safety coefficient is high, the operation function is strong, the performance is stable, a plurality of air outlets are arranged on the dust hood A and the dust hood B, a filter screen is arranged on the inner wall of the dust hood A and the inner wall of the dust hood B inside the air outlets, the dust pumped to the dust hood can be filtered and concentrated to the dust hood and is convenient to clean, the air pumping pipe A is a Y-shaped air pumping pipe, two air pumping ports of the air pumping pipe A far away from the exhaust fan A are positioned outside two travelling wheels of a cart, a plurality of small holes are arranged on the air pumping long pipe, the positions of the small holes are close to the travelling wheels of the cart, the produced dust can be synchronously, The cart motors are all explosion-proof motors, the steel wire ropes are stainless steel wire ropes, the cart travelling wheels and the cart travelling wheels are stainless steel polyurethane composite wheels, winding drums on the winder are stainless steel winding drums, the dustproof cover material is a rubber deformable dustproof cover, the exhaust fan A and the exhaust fan B are strong exhaust fans, the explosion-proof motors have the characteristic of explosion prevention and have higher safety performance, the stainless steel polyurethane composite wheels have the characteristics of no noise, wear resistance and the like when walking, the dustproof cover material is a rubber deformable dustproof cover and can deform according to the descending or ascending distance of a lifting hook when the lifting hook descends, the exhaust fans A and the exhaust fan B are strong exhaust fans and can provide stronger suction when in use, so that the dust removal effect is stronger, the utility model effectively solves the problems that in the prior art, when a bridge crane runs, more dust is generated due to friction, the bridge crane does not have a dust removal structure and cannot be used in workshops, and the security performance is higher, and the protecting effect is stronger, general the utility model has the advantages of explosion-proof, dust removal effect is strong, the operation is stable, have smart location structure and function.

Claims

1. The utility model provides an explosion-proof electronic monospar bridge crane of toilet, it mainly includes girder, calabash motor, dolly motor, cart motor, its characterized in that: the main beam is provided with an electric frame, the electric frame is provided with an electric box, two ends of the main beam are provided with blanking plates, the blanking plates are provided with exhaust fans A, a dust collection cover A is arranged above the exhaust fans A, an exhaust pipe A is arranged below the exhaust fans A, two ends of the main beam are provided with trolleys, a trolley is arranged below the trolleys, a trolley travelling rail is arranged below the trolleys, a trolley power supply groove is arranged on the inner side of the travelling rail of the left trolley, the main beam is provided with a trolley, the trolley is provided with a lifting hook, the lifting hook is connected with a winder through a steel wire rope, two sides of the main beam are provided with air draft long pipes, the long pipe air drafts penetrate through the side wall of the main beam through a connecting pipe A to be connected with a five-way joint, a joint above the five-way joint is connected with an exhaust pipe B, the upper end of the exhaust pipe B penetrates through the top, the three-way joint is connected through a connecting pipe B, the connecting pipe B is connected with an exhaust fan B through the three-way joint, and a dust hood B is arranged on the right side of the exhaust fan B.

2. The clean room explosion-proof electric single-beam bridge crane according to claim 1, characterized in that: the electric box in be equipped with PLC integrated control system and hoisting mechanism converter system, the electric box be explosion-proof control box.

3. The clean room explosion-proof electric single-beam bridge crane according to claim 2, characterized in that: the PLC integrated control system is controlled by a computer in a remote control mode.

4. The clean room explosion-proof electric single-beam bridge crane according to claim 1 or 2, characterized in that: and the cart and the trolley transmit the running direction and the speed to a hoisting mechanism frequency converter system through a CANopen bus when in running.

5. The clean room explosion-proof electric single-beam bridge crane according to claim 1, characterized in that: the dust hood A and the dust hood B are both provided with a plurality of air outlet holes, and the inner wall of the dust hood at the inner side of the air outlet holes is provided with a filter screen.

6. The clean room explosion-proof electric single-beam bridge crane according to claim 1, characterized in that: the cart by cart motor, cart walking wheel, brake fluted disc, support frame, power connection spare constitute, cart walking wheel quantity be 2, brake fluted disc and cart walking rail meshing be connected, cart walking wheel and cart walking rail roll connection, power connection spare and cart power groove be sliding connection, the dolly constitute by dolly motor, calabash motor, dolly walking wheel, lifting hook, wire rope, winder, mount, dust cover, the dust cover set up in the mount below and be connected with the lifting hook, dolly walking wheel and girder roll connection, dolly walking wheel quantity be 4.

7. The clean room explosion-proof electric single-beam bridge crane according to claim 1 or 6, characterized in that: the exhaust pipe A is a Y-shaped exhaust pipe, and two exhaust openings of the exhaust pipe A far away from the exhaust fan A are positioned on the outer side of the cart travelling wheel.

8. The clean room explosion-proof electric single-beam bridge crane according to claim 1, characterized in that: the air draft long pipe is provided with a plurality of air exhaust holes, and the positions of the air exhaust holes are close to the trolley travelling wheels.

9. The clean room explosion-proof electric single-beam bridge crane according to claim 6, characterized in that: calabash motor, dolly motor, cart motor be explosion-proof machine, wire rope be stainless steel wire rope, dolly walking wheel, cart walking wheel be the compound wheel of stainless steel polyurethane, the reel on the winder be the stainless steel bobbin, the dust cover material be the deformable dust cover of rubber, air exhauster A, air exhauster B are powerful air exhauster.