CN212245902U - Device is adjusted well in overhead traveling crane hook rotation - Google Patents

Abstract

The utility model discloses a crown block hook rotating and aligning device, which comprises a mounting plate arranged on one side of a main hook seat on a crown block hook, wherein a gear motor for driving the shaft to move downwards is arranged on the mounting plate, a driving gear connected with a driving shaft in a sliding way is arranged at the lower end of the driving shaft, and a driven gear meshed with the driving gear is arranged on a main hook which is rotatably connected with the main hook seat on the crown block hook; and the speed reducing motor is provided with a controller electrically connected with the speed reducing motor. The invention is provided with the wireless transmitter, can drive the top hook to rotate bidirectionally at high speed and low speed through the reducing motor, replaces the manual work to carry out horizontal rotation alignment operation on the lifted heavy object, can greatly improve the working efficiency, reduce the labor intensity and reduce the danger, and meanwhile, the operation of rotation and alignment is more accurate and convenient. When the electric system or the speed reducing motor is out of order, manual operation for rotation and alignment can be temporarily performed.

Description

Device is adjusted well in overhead traveling crane hook rotation

Technical Field

The utility model relates to a hoisting accessory technical field, concretely relates to device is adjusted well in crown block hook rotation.

Background

The overhead travelling crane is an important hoisting device in a production workshop, and the direction of a heavy object is often required to be adjusted after the overhead travelling crane hoists the heavy object. For objects with light weight, the direction of the lifted object can be adjusted by manually rotating the lifted object; if the object is lifted by a large-sized object with larger weight, the manual direction adjustment is laborious and time-consuming. Particularly, in a steel scrap workshop of a steel mill, the lifted ladle cover is usually about 7 tons and even heavier. After a hot metal car with a ladle enters a workshop, hoisting a ladle cover of the ladle, adding scrap steel into the ladle, and covering the ladle cover on the hot metal ladle again after the addition is finished. At this time, a site operator needs to manually push the ladle cover to align a proper angle by using the 6-meter long iron pipe, and then cover the ladle cover on the hot metal car after the ladle cover is aligned with the hot metal ladle. The alignment causes low angle accuracy and needs repeated adjustment, and the ladle mouth and the ladle cover refractory material fall off due to frequent impact on the ladle mouth, which affects the service life of the ladle and the ladle cover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotary aligning device for a crown block hook.

In order to solve the above problems, the utility model adopts the following technical scheme:

a crown block hook rotation aligning device comprises a mounting plate arranged on one side of a main hook seat on a crown block hook, wherein the bottom surface of the mounting plate and the bottom surface of the main hook seat are positioned on the same plane, a speed reducing motor for driving the shaft to move downwards is arranged on the mounting plate, a driving shaft penetrates through a corresponding hole in the mounting plate and is in clearance fit with the hole, a driving gear in sliding connection with the driving shaft is arranged at the lower end of the driving shaft, the driving gear and the driving shaft are in key connection, and a driven gear meshed with the driving gear is arranged on a main hook which is rotatably connected with the main hook seat on the crown block hook; and the speed reducing motor is provided with a controller electrically connected with the speed reducing motor.

Further, a protective cover is arranged outside the driving gear and the driven gear, the upper end of the protective cover is fixed on the hook seat and the mounting plate, a hole for enabling the main hook to pass through is formed in the lower portion of the protective cover, and the speed reduction motor is mounted outside the protective cover.

Furthermore, an annular groove is formed in one end of the driving gear, a shifting fork rotationally connected with the annular groove is arranged in the annular groove, the shifting fork comprises a semicircular fork body matched with the annular groove, a screw rod is fixed on one side, close to the shield, of the fork body, the screw rod penetrates through a strip-shaped hole formed in one side, close to the driving gear, of the shield, the screw rod is in sliding fit with the strip-shaped hole, and the strip-shaped hole is parallel to the central line of the driving gear; the screw rod is equipped with the boss in the inboard that is close to the guard shield, the screw rod is equipped with the hand wheel in the outside that is close to the guard shield, hand wheel and screw rod are threaded connection.

Furthermore, a counterweight block is arranged on one side, opposite to the speed reduction motor, of the protective cover.

Further, the controller comprises a wireless receiver electrically connected with the controller and a wireless transmitter wirelessly connected with the wireless receiver.

Furthermore, the wireless transmitter is provided with four channels of high-speed forward rotation, high-speed reverse rotation, low-speed forward rotation and low-speed reverse rotation.

The utility model discloses an actively the effect does:

the utility model discloses being furnished with wireless transmitter, accessible gear motor drives the overhead crane hook and carries out high-speed and low-speed two-way rotation, replaces the manual work to carry out the horizontal rotation with the heavy object of hoisting and adjusts the operation well, can improve work efficiency by a wide margin, reduces intensity of labour, reduces danger, and rotatory and the operation of adjusting well simultaneously is also more accurate and convenient. When the electric system or the speed reducing motor has faults, manual rotation and alignment operation can be temporarily carried out, and the influence on production caused by faults is avoided.

The utility model discloses an use in certain steel mill steel scrap workshop, install additional the utility model discloses afterwards, can make the be built by contract accurate with the butt joint of ladles mouth, effectively avoided the striking of be built by contract with the ladles mouth, the life of extension ladle and be built by contract. The former post needs crown block workers and 3 stokehole workers to be matched and completed, 3 stokehole workers are reduced after transformation, the crown block workers can independently complete operation, labor is reduced, and production cost is saved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the figure, 1, a balancing weight; 2. a pulley; 3. a main hook base; 4. a reduction motor; 5. mounting a plate; 6. a driving gear; 7. a hand wheel; 8. a screw; 9. a fork body; 10. a main hook; 11. a driven gear; 12. a shield.

Detailed Description

The present invention will be further explained and illustrated with reference to the following specific embodiments and the accompanying drawings, wherein the following embodiments are only preferred embodiments, not all embodiments, and should not be construed as limiting the scope of the present invention.

The utility model provides a device is adjusted well in overhead traveling crane hook rotation, its is including setting up the mounting panel 5 in 2 bottoms main hook seats 3 one sides of overhead traveling crane hook pulley, and mounting panel 5 is the rectangle flat board, and its left end and main hook seats 3 welding, bottom surface and 3 bottom surfaces of main hook seats lie in the coplanar, and the higher authority is equipped with rather than through bolt assembly fixed connection's gear motor 4, and this gear motor 4 is planet cycloid pinwheel speed reducer. The driving shaft of the speed reducing motor 4 is downward, the mounting plate 5 is provided with a through hole at the position corresponding to the driving shaft, and the driving shaft is in clearance fit with the through hole. The lower part of the driving shaft is provided with a driving gear 6 which is in sliding connection with the driving shaft, the driving gear 6 is in key connection with the driving shaft, and the key is in sliding fit with a key groove correspondingly arranged on the driving gear 6. The lower part of the main hook seat 3 is provided with a main hook 10 which is rotationally connected with the main hook seat, a driven gear 11 which is meshed with the driving gear 6 is welded on the main hook 10, and a controller which is electrically connected with the speed reducing motor 4 is arranged on the speed reducing motor. The controller comprises a wireless receiver electrically connected with the controller and a wireless transmitter wirelessly connected with the wireless receiver. The wireless transmitter is controlled by field operators and is provided with four channels of high-speed forward rotation, high-speed reverse rotation, low-speed forward rotation and low-speed reverse rotation. Use the steerable top coupling of wireless transmitter to carry out high-speed and low-speed two-way rotation, replace the manual work to carry out the horizontal rotation with the heavy object of hoisting and adjust the operation well, can improve work efficiency by a wide margin, reduce intensity of labour, reduce danger, rotatory and the operation of adjusting well simultaneously is also more accurate and convenient.

And a shield 12 is arranged outside the driving gear 6 and the driven gear 11, the upper end of the shield 12 is fixed on the side surfaces of the hook seat 3 and the mounting plate 5 through bolts, and the shape of the shield 12 is matched with the outline of the driving gear 6, the driven gear 11, the hook seat 3 and the mounting plate 5. The lower portion of the shroud 12 is provided with a hole for passing the main hook 10. The shield 12 has a dust-proof function, and also prevents the driving gear 6 and the driven gear 11 therein from being damaged by accidental impacts.

The utility model discloses be equipped with one set of clutch, including setting up at the 6 upper end ring channels of driving gear, this ring channel groove reason diameter is less than the diameter at the bottom of the 6 tooth of driving gear. This inslot is equipped with rather than the shift fork of being connected of rotating, and the shift fork includes two parts, the left side be with ring channel complex semicircular fork body 9, the right is screw rod 8, fork body 9 middle part and the welding of the 8 left ends of screw rod, guard shield 12 lies in that the position that screw rod 8 corresponds is equipped with the bar hole perpendicularly, screw rod 8 runs through the setting at the bar downthehole, screw rod 8 is sliding fit with this hole, screw rod 8 is equipped with the boss in the inboard that is close to guard shield 12, screw rod 8 is equipped with the hand wheel 7 with 8 screw-thread fit of screw rod in the outside that is close to guard shield. After the hand wheel 7 is loosened, the shifting fork shifts the driving gear 6 to slide up and down along the driving shaft when moving up and down along the strip-shaped hole, so that the driving gear 6 is meshed with or separated from the driven gear 11, and then the hand wheel 7 is rotated to lock the position of the driving gear 6. When the gear motor 4, the controller, the wireless transmitter and the wireless receiver are in failure, the driving gear 6 and the driven gear 11 can be separated, and the suspended heavy object is temporarily and manually rotated to rotate and align, so that the production is prevented from being influenced.

Claims (6)

1. The crown block hook rotating and aligning device is characterized by comprising a mounting plate (5) arranged on one side of a main hook seat (3) on a crown block hook, wherein the bottom surface of the mounting plate (5) and the bottom surface of the main hook seat (3) are positioned on the same plane, a speed reducing motor (4) for driving the shaft to move downwards is arranged on the mounting plate (5), a driving shaft penetrates through a corresponding hole in the mounting plate (5) and is in clearance fit with the hole, a driving gear (6) in sliding connection with the driving shaft is arranged at the lower end of the driving shaft, the driving gear (6) is in key connection with the driving shaft, and a driven gear (11) meshed with the driving gear (6) is arranged on a main hook (10) which is rotatably connected with the main hook seat (3) on the crown block hook; and the speed reducing motor (4) is provided with a controller electrically connected with the speed reducing motor.

2. A crown block hook rotation aligning device according to claim 1, characterized in that a shield (12) is provided outside the driving gear (6) and the driven gear (11), the upper end of the shield (12) is fixed on the hook base (3) and the mounting plate (5), a hole for passing the main hook (10) is provided at the lower part of the shield (12), and the reduction motor (4) is installed outside the shield (12).

3. The crown block hook rotating and aligning device according to claim 2, wherein an annular groove is formed at one end of the driving gear (6), a shifting fork rotatably connected with the annular groove is arranged in the annular groove, the shifting fork comprises a semicircular fork body (9) matched with the annular groove, a screw rod (8) is fixed on one side of the fork body (9) close to the shield (12), the screw rod (8) penetrates through a strip-shaped hole formed in one side of the shield (12) close to the driving gear (6), the screw rod (8) is in sliding fit with the strip-shaped hole, and the strip-shaped hole is parallel to the central line of the driving gear (6); the screw rod (8) is equipped with the boss in the inboard that is close to guard shield (12), the screw rod (8) is equipped with hand wheel (7) in the outside that is close to guard shield (12), hand wheel (7) and screw rod (8) are threaded connection.

4. A crown block hook rotation alignment device according to claim 2, characterized in that said shield (12) is provided with a counterweight (1) on the side opposite to the reduction motor (4).

5. The crown block hook rotation alignment device according to claim 1, wherein the controller includes a wireless receiver electrically connected thereto and a wireless transmitter wirelessly connected to the wireless receiver.

6. The crown block hook rotation alignment device according to claim 5, wherein the wireless transmitter is provided with four channels of high-speed forward rotation, high-speed reverse rotation, low-speed forward rotation and low-speed reverse rotation.

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