CN116730186A

CN116730186A - Crane driving device

Info

Publication number: CN116730186A
Application number: CN202310847304.0A
Authority: CN
Inventors: 张树辉; 张清明; 张树贞; 高祥海
Original assignee: Guangming Hoisting Group Co ltd
Current assignee: Guangming Hoisting Group Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2023-09-12

Abstract

The invention relates to a crane driving device which comprises a cross beam and two groups of girders, wherein the two groups of girders are movably arranged at the upper ends of the cross beam and are connected through connecting rods, sliding rails are arranged at the upper ends of the cross beam and the girders, a first guide rail is arranged on the upper end surface of the cross beam close to the outer side of the sliding rails, a second guide rail is arranged on the upper end surface of the main beam close to the outer side of the sliding rails, a driving device is movably arranged at the upper end of the main beam, a groove is formed at the upper end of the main beam, the sliding rails are arranged in the groove, decompression assemblies are arranged at the two ends of the sliding rails, and first driving auxiliary groups are symmetrically arranged at the left side and the right side of the driving device and are connected with the output end of the driving device through shafts. The invention solves the problem of slipping of the pulley in the existing bridge crane.

Description

Crane driving device

Technical Field

The invention relates to the technical field of cranes, in particular to a crane driving device.

Background

The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, and the bridge frame is not blocked by ground equipment. The hoisting machine has the advantages of being the hoisting machine with the widest application range and the largest number.

In the use of bridge crane, especially meet large-tonnage goods and hoist, because the driving method that current bridge crane adopted is servo motor drive pulley along the slide rail and removes, it is heavier because of the load, and then make the pulley damage degree of current bridge crane too fast, and then cause the drive arrangement life of its hoist to shorten, and the load is heavier makes servo motor's bearing capacity great, thereby also corresponding shortened servo motor's life, secondly, the phenomenon that very easily appears skidding at the time of stopping in the course of traveling, there is certain potential safety hazard, the phenomenon that generally appears skidding is impurity and dust on slide rail surface arouses, in order to solve this kind of problem, chinese patent CN217756591U, a remote control bridge crane points out, through setting up the connecting plate, the fixed block, the dead lever, the link, the transmission shaft, the drive wheel, broom and dust collection box, the dolly is walked on the girder through rolling broom when the travelling on, and the dust collection box of upper surface of track is swept into both sides, moreover can be with dust collection box, the drive wheel and broom, and the dust collection box is unloaded, and the dust collection mechanism is unloaded, can be removed and the dust collection box is carried out in the dust collection box, and the dust collection structure is very frequent and is replaced, the dust collection and can be replaced, the dust is easy to realize.

Therefore, in order to solve the problem of pulley slipping, a crane driving device is provided, which overcomes the defects in the prior art in turn.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a crane driving device, which solves the problem of slipping of pulleys of the existing bridge crane.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hoist drive arrangement, including crossbeam and two sets of girders, two sets of girder movable mounting are connected with the upper end of crossbeam and through the connecting rod, the slide rail is all installed to crossbeam and girder upper end, and the crossbeam up end is close to the slide rail outside and installs first guide rail, the girder up end is close to the slide rail outside and installs the second guide rail, the upper end movable mounting of girder has drive arrangement, the girder upper end is seted up flutedly, the slide rail is installed with the inslot, decompression subassembly is all installed at its slide rail both ends, the equal symmetry of drive arrangement left and right sides is installed first drive auxiliary assembly and is connected through the axle with drive arrangement's output.

Through the above technical scheme, further, the drive arrangement includes: mounting panel, pulley, first servo motor, lifting rope, lifting hook, second servo motor, mounting bracket, cylinder, the pulley is installed in the mounting panel lower extreme, its pulley and the slide rail surface contact who is located the girder upper end, the mounting panel lower extreme is located the pulley and corresponds to install first servo motor towards inboard department, its first servo motor output links to each other with the pulley, second servo motor and mounting bracket are installed to the mounting panel upper end, install the cylinder in the mounting bracket, its cylinder passes through the axle and is connected with second servo motor output, its cylinder surface winding has the lifting rope, lifting hook is installed to the lifting rope tip.

Further, the first driving assistance group includes: the first connecting plate and the first gear are symmetrically and fixedly arranged on two sides of the mounting plate, the first gear is movably arranged at the lower end of the first connecting plate, the first gear is connected with the pulley through a shaft, and the first gear is in surface contact with the second guide rail.

As a preferable technical scheme, baffle rings are fixedly arranged at two ends of the surface of the sliding rail.

Further, the front end and the rear end of the two groups of main beams are fixedly provided with second driving auxiliary components, the second driving auxiliary components comprise a second connecting plate and a second gear, the second connecting plate is fixedly arranged at the front end and the rear end of the main beams, the lower end of the second connecting plate is movably provided with the second gear, and the second gear is in surface contact with the first guide rail.

As a preferable technical scheme, the installation ring bodies for installing the servo motor are symmetrically installed at the connecting rod positions where the two groups of main beams are connected.

Compared with the prior art, the invention provides a crane driving device, which has the following beneficial effects:

1. referring to fig. 4 and 5, it can be seen that, because the output end of the first driving auxiliary group is connected with the output end of the driving device through a shaft, and referring to the drawings, the first gear and the second guide rail form gear engagement, so that after the first servo motor stops, even if the pulley and the slide rail slip, the first gear can prevent the sliding, thus the problem that the existing crane driving device is easy to slip when stopping after running is solved, and the problem of the remote control bridge crane in China patent CN217756591U is solved.

2. Referring to fig. 4 and 5, the structure of the device is simple, and compared with the remote control bridge crane of chinese patent CN217756591U, the device has less manufacturing cost and short maintenance time period, thereby greatly improving the practicability of the device.

3. Secondly, according to the explanation of the first strip, the device also considers that when the first servo motor rotates at the driving pulley, a reverse thrust is generated on the sliding rail, and the amplitude is very small, but the weight of goods borne by the crane is heavier, so that the device is damaged on the pulley and the sliding rail, and the decompression assembly (similar to a spring) is arranged at the front end and the rear end of the sliding rail, so that the reverse thrust can be slowed down, and a certain protection effect can be generated on the pulley and the sliding rail.

4. The first driving auxiliary assembly arranged by the device can also play a role in sharing the load of the crane on the basis of preventing slipping, so that the weight of the load borne by the driving device can be reduced to a certain extent, the load intensity of the first servo motor is reduced, and the service life of the first servo motor is prolonged.

Drawings

FIG. 1 is a schematic diagram of a crane driving apparatus according to the present invention;

FIG. 2 is an enlarged schematic view of a portion of the crane drive of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the crane drive assembly of FIG. 1 at B in accordance with the present invention;

FIG. 4 is an enlarged partial schematic view of the crane drive of FIG. 1 at C in accordance with the present invention;

FIG. 5 is a schematic view of a driving device structure and a first driving auxiliary assembly of a crane driving device according to the present invention;

FIG. 6 is a schematic view of the lower end surface structure of a mounting plate structure of a crane driving apparatus according to the present invention;

fig. 7 is a schematic diagram of a mounting ring structure of a crane driving device according to the present invention.

In the figure: 1. a cross beam; 2. a main beam; 3. a driving device; 301. a mounting plate; 302. a pulley; 303. a first servo motor; 304. a hanging rope; 305. a lifting hook; 306. a second servo motor; 307. a mounting frame; 308. a roller; 4. a first drive assist assembly; 401. a first connection plate; 402. a first gear; 5. installing a ring body; 6. a second drive assist assembly; 601. a second connecting plate; 602. a second gear; 7. a first guide rail; 8. a slide rail; 9. a baffle ring; 10. a pressure relief assembly; 11. a second guide rail; 12. a groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a hoist drive arrangement, including crossbeam 1 and two sets of girders 2, two sets of girders 2 movable mounting are connected with the upper end of crossbeam 1 and pass through the connecting rod, and then the steadiness between its two sets of girders 2 is strengthened, slide rail 8 is all installed to crossbeam 1 and girder 2 upper end, and crossbeam 1 up end is close to slide rail 8 outside and installs first guide rail 7, girder 2 up end is close to slide rail 8 outside and installs second guide rail 11, the upper end movable mounting of girder 2 has drive arrangement 3, slot 12 has been seted up to girder 2 upper end, slide rail 8 installs with in the slot 12, when first servo motor 303 is at drive pulley 302 rotation, can play a reverse thrust to slide rail 8, although the range is very little, but because the weight of the goods that the hoist bore is heavier, all be a damage to pulley 302 and slide rail 8, so the decompression subassembly 10 is all installed at its slide rail 8 both ends, thereby can reduce the wearing and tearing problem between its pulley 302 and the slide rail 8, first drive auxiliary assembly 4 is all installed to the symmetry in the left and right sides of drive arrangement 3 and link to each other with drive arrangement 3's output through the axle.

In this embodiment, the specific working principle is as follows:

the working principle of the driving device 3 can be seen with reference to fig. 1, 4, 5 and 6, specifically, the driving device 3 includes: the lifting device comprises a mounting plate 301, a pulley 302, a first servo motor 303, a lifting rope 304, a lifting hook 305, a second servo motor 306, a mounting frame 307 and a roller 308, wherein the pulley 302 is mounted at the lower end of the mounting plate 301, the pulley 302 is in surface contact with a sliding rail 8 positioned at the upper end of a main beam 2, the first servo motor 303 is correspondingly mounted at the position, which is positioned at the inner side, of the lower end of the mounting plate 301, the output end of the first servo motor 303 is connected with the pulley 302, the second servo motor 306 and the mounting frame 307 are mounted at the upper end of the mounting plate 301, the roller 308 is connected with the output end of the second servo motor 306 through a shaft, the lifting rope 304 is wound on the surface of the roller 308, the lifting hook 305 is mounted at the end of the lifting rope 304, and then cargoes are hung on the lifting hook 305, and then the cargoes can be driven to move along the sliding rail 8 through the first servo motor 303.

In order to prevent the driving device 3 from slipping after stopping, a first driving assistance assembly 4 is provided, and as can be seen in fig. 4 and 5, the first driving assistance assembly 4 includes: the first connecting plate 401 and the first gear 402, the first connecting plate 401 is symmetrically and fixedly installed on two sides of the mounting plate 301, the first gear 402 is movably installed at the lower end of the first connecting plate 401, the first gear 402 is connected with the pulley 302 through a shaft, the first gear 402 is in surface contact with the second guide rail 11, the first gear 402 is connected with the pulley 302 through a shaft, the pulley 302 is connected with the output end of the first servo motor 303, and secondly, referring to fig. 4, the first gear 402 and the second guide rail 11 belong to gear meshing transmission, so that after the first servo motor 303 stops, the phenomenon that the pulley 302 and the slide rail 8 skid occurs can be prevented, the phenomenon that the skid occurs is solved through the arrangement, and the load weight of part of goods is shared for the driving device 3, so that the pressure between the pulley 302 and the slide rail 8 is reduced to a certain extent, the driving load of the first servo motor 303 is reduced, the service life of the first servo motor 303 is prolonged, and the structure is simple and frequent maintenance is not needed.

In order to prevent the driving device 3 from sliding out of the sliding rail 8, referring to fig. 3 specifically, the two ends of the surface of the sliding rail 8 are fixedly provided with baffle rings 9, and the baffle rings 9 are arranged to limit the moving range of the driving device 3 on the surface of the sliding rail 8 between two groups of baffle rings 9, so that the derailment of the driving device 3 is prevented.

In order to make the effect achieved by the driving device 3 consistent during the movement of the main beams 2, referring to fig. 1 and 2 specifically, the front and rear ends of the two groups of main beams 2 are fixedly provided with second driving auxiliary assemblies 6, the second driving auxiliary assemblies 6 comprise a second connecting plate 601 and a second gear 602, the second connecting plate 601 is fixedly arranged at the front and rear ends of the main beams 2, the lower end of the second connecting plate 601 is movably provided with the second gear 602, the second gear 602 is in surface contact with the first guide rail 7, and the principle of the second driving auxiliary assemblies 6 is consistent with that of the first driving auxiliary assemblies 4, so that excessive explanation is not made.

The specific moving mode of the main beams 2 is shown in fig. 1 and 7, and the connecting rods connected with the two groups of main beams 2 are symmetrically provided with mounting ring bodies 5 for mounting servo motors, which means that the servo motors used by the driving device 3 move along the sliding rails 8 at the upper ends of the cross beams 1 with the main beams 2, and the adopted motors are consistent, so that no graph is drawn, the mounting ring bodies 5 are convenient for mounting the servo motors, and the pulleys at the lower sides of the front end and the rear end of the main beams 2 are driven by the servo motors to rotate, so that the movement of the main beams 2 is completed.

The working flow of the crane is consistent with the working flow of the existing crane, and the working flow of the crane is not excessively explained.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hoist drive arrangement, including crossbeam (1) and two sets of girders (2), two sets of girders (2) movable mounting are connected with the upper end of crossbeam (1) and through the connecting rod, slide rail (8) are all installed to crossbeam (1) and girder (2) upper end, and crossbeam (1) up end is close to slide rail (8) outside and installs first guide rail (7), and girder (2) up end is close to slide rail (8) outside and installs second guide rail (11), and the upper end movable mounting of girder (2) has drive arrangement (3), and groove (12) are seted up to girder (2) upper end, its characterized in that: the sliding rail (8) is arranged in the groove (12), the decompression assemblies (10) are respectively arranged at the two ends of the sliding rail (8), the first driving auxiliary assemblies (4) are symmetrically arranged at the left side and the right side of the driving device (3), and the first driving auxiliary assemblies are connected with the output end of the driving device (3) through shafts.

2. A crane driving apparatus according to claim 1, wherein: the driving device (3) comprises: mounting panel (301), pulley (302), first servo motor (303), lifting rope (304), lifting hook (305), second servo motor (306), mounting bracket (307), cylinder (308), pulley (302) are installed in mounting panel (301) lower extreme, its pulley (302) and slide rail (8) surface contact that are located girder (2) upper end, first servo motor (303) are installed to the department that corresponds to inboard in pulley (302) lower extreme in mounting panel (301), second servo motor (306) are installed to mounting panel (301) upper end and mounting bracket (307), install cylinder (308) in mounting bracket (307), its cylinder (308) are connected with second servo motor (306) output through the axle, lifting rope (304) are twined on its cylinder (308) surface, lifting hook (305) are installed to lifting rope (304) tip.

3. A crane driving apparatus according to claim 2, wherein: the first driving assistance group (4) includes: the first connecting plate (401) and the first gear (402), wherein the first connecting plate (401) is symmetrically and fixedly arranged on two sides of the mounting plate (301), the first gear (402) is movably arranged at the lower end of the first connecting plate (401), the first gear (402) is connected with the pulley (302) through a shaft, and the first gear (402) is in surface contact with the second guide rail (11).

4. A crane driving apparatus according to claim 1, wherein: baffle rings (9) are fixedly arranged at two ends of the surface of the sliding rail (8).

5. A crane driving apparatus according to claim 1, wherein: two sets of girder (2) front and back end equal fixed mounting has second drive auxiliary assembly (6), and its second drive auxiliary assembly (6) include second connecting plate (601) and second gear (602), and second connecting plate (601) fixed mounting is in girder (2) front and back end, and its second connecting plate (601) lower extreme movable mounting has second gear (602), second gear (602) and first guide rail (7) surface contact.

6. A crane driving apparatus according to claim 1, wherein: and the connecting rods connected with the two groups of main beams (2) are symmetrically provided with mounting ring bodies (5) for mounting the servo motor.