CN219379536U - Crane big arm assembly rotating bracket - Google Patents

Abstract

The utility model relates to a crane big arm assembled rotating bracket, which comprises a fixing frame and a rotating frame, wherein the fixing frame comprises a base and a fixing sleeve, two support posts are vertically fixed at the upper end of the base, the inner side of the fixing sleeve is fixedly connected with the support posts, the rotating bracket comprises a gear ring, the gear ring is sleeved on the outer side of the fixing sleeve, two clamping plates are transversely inserted in the fixing sleeve, the upper ends of the two clamping plates are hinged with a cover plate, a guard plate is fixedly arranged outside the gear ring, the clamping plates are integrally connected with the gear ring through the guard plate, a jacking component is arranged on the clamping plates and the cover plate, a speed reducing motor is arranged on the base, a driving gear meshed with the gear ring is arranged on an output shaft of the speed reducing motor, the crane big arm can be subjected to displacement rotation through a U-shaped big arm supporting channel and the jacking component arranged on the outer side of the channel, the turnover operation is safe, the turnover angle of the big arm is randomly adjustable, the technical problem of long turnover waiting time of the big arm is reduced, and the assembly efficiency of the big arm is improved.

Description

Crane big arm assembly rotating bracket

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a crane large arm assembled rotating bracket.

Background

A crane refers to a multi-action crane that vertically lifts and horizontally conveys weights within a certain range, and a large arm is an important component of the crane for hanging and conveying objects. The existing assembly fixture of the large arm assembly is only suitable for a lorry crane of a certain model, and different assembly fixtures are needed to be corresponding to the large arms of different models, so that the assembly fixture is various in types and low in resource utilization rate, and the workload of fixture design and manufacturing is increased. In addition, in order to ensure the production progress of the large arm, operators generally assemble, weld, spray paint and the like on the ground, so that the labor intensity of staff is high, the large arm is easy to collide when the crane large arm is turned by a crane, and the turning waiting time is long when the crane is used for hanging. The common large arm fixture is not easy to fix, so that the operation efficiency is low.

Disclosure of Invention

The utility model aims to provide a large arm assembly rotating bracket of a crane, which can rapidly realize clamping and fixing of a large arm, has strong universality and simultaneously solves the technical problems of low large arm assembly efficiency and long large arm overturning waiting time in the prior art.

The object of the utility model is achieved in the following way: the utility model provides a big arm equipment runing rest of hoist, includes mount and swivel mount, the mount includes base and fixed cover, two pillars of vertical fixed in base upper end, the inboard and the pillar fixed connection of fixed cover, the swivel mount includes the ring gear, the ring gear cover is put in the outside of fixed cover, be provided with the roller between fixed cover and the ring gear, transversely alternate in the fixed cover and have two splint, the lower extreme of two splint is fixed with the bottom plate, splint and bottom plate constitute the big arm support passageway of a U-shaped, the upper end hinge of two splint sets up a apron, the ring gear external fixation is provided with the backplate, fixed cover is located between pillar and the backplate, splint and ring gear integrated into one piece are connected, be provided with on splint and the apron and prop up tight subassembly, set up a gear motor on the base, gear motor preferably adopts horizontal gear motor, it is suitable for reducing output rotational speed, promotes the moment, be provided with driving gear on gear's the output shaft, for reducing driving gear's rotational speed, also can install driving gear in addition on gear's output shaft, driving gear meshes with the ring gear.

Preferably, the jacking component comprises a nut and a lengthened screw rod, the nut is welded on the outer side of the clamping plate, the lengthened screw rod is in threaded fit with the nut, a pressing plate is fixed at the inner side end of the lengthened screw rod extending into the clamping plate, and a turning handle is arranged at the outer side end of the lengthened screw rod.

Preferably, the inner sides of the two clamping plates are respectively vertically fixed with a vertical plate, the upper end of one vertical plate is hinged with a cover plate, two sides of the upper end of the other vertical plate are respectively provided with a pin barrel, the middle part of the end face of the cover plate is provided with a pin barrel, and a pin shaft is additionally arranged and penetrates through the pin barrels to fixedly connect the cover plate with the vertical plate.

Preferably, the two sides of the support column are provided with outer folded edges, the outer folded edges on the inner side of the support column are fixedly connected with the inner end surface of the fixing sleeve through screws, and the upper end of the support column is higher than the upper end surface of the fixing sleeve.

Preferably, a rib plate is connected between the guard plate and the clamping plate.

When the large arm is used, the large arm is conveyed to the large arm supporting channel by utilizing the conveying slide rail, the large arm assembly transversely passes through the large arm supporting channel, the lengthened screw rods on the two clamping plates are adjusted to adapt to the width of the large arm, the left side and the right side of the large arm are fixedly clamped through the pressing plates on the two sides of the clamping plates, the cover plate is fixed with the vertical plate at the upper end of the clamping plates through the pin shaft, and then the lengthened screw rods on the cover plate are adjusted to adapt to the height of the large arm, and the large arm is fixedly clamped up and down. Finally, the gear ring is controlled to rotate through the gear motor, so that the large arm clamped in the large arm supporting channel is driven to rotate, and further assembly, welding and other operations of the large arm are facilitated.

The beneficial effects of the utility model are as follows: the utility model can shift and rotate the big arm of the crane, further finish the subsequent operations of assembling, welding and the like of the big arm, reduce the collision caused by crane lifting and overturning, ensure personnel safety, simplify the procedure operation, firmly clamp the big arm through the U-shaped big arm supporting channel and the jacking component arranged outside the channel, ensure the overturning operation, randomly adjust the overturning angle of the big arm, reduce the technical problem of long overturning waiting time of the big arm and improve the assembling efficiency of the big arm.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a right side view of the present utility model;

fig. 3 is a schematic perspective view of the boom support passage.

In the figure: 1. the device comprises clamping plates, rollers, gear rings, fixing sleeves, vertical plates, rotating handles, guard plates, reducing motors, supporting columns, driving gears, bases, bottom plates, cover plates, lengthening screws, pressing plates and rib plates.

Detailed Description

Referring to fig. 1-3, a big arm assembly rotating bracket of a crane comprises a fixed frame and a rotating frame, the fixed frame comprises a base 11 and a fixed sleeve 4, two support posts 9 are vertically fixed at the upper end of the base 11, the inner side of the fixed sleeve 4 is fixedly connected with the support posts 9, the rotating bracket comprises a gear ring 3, the gear ring 3 is sleeved on the outer side of the fixed sleeve 4, a roller 2 is arranged between the fixed sleeve 4 and the gear ring 3, two clamping plates 1 are transversely inserted in the fixed sleeve 4, a bottom plate 12 is fixed at the lower ends of the two clamping plates 1, a cover plate 13 is hinged at the upper ends of the two clamping plates 1, a guard plate 7 is fixedly arranged outside the gear ring 3, the fixed sleeve 4 is positioned between the support posts 9 and the guard plate 7, the clamping plates 1 are integrally connected with the gear ring 3 through the guard plate 7, a jacking component is arranged on the clamping plates 1 and the cover plate 13, a speed reducing motor 8 is arranged on the base 11, a driving gear 10 is arranged on an output shaft of the speed reducing motor 8, and the driving gear 10 is meshed with external teeth of the gear ring 3. The jacking assembly comprises a nut and an extension screw 14, the nut is welded on the outer side of the clamping plate 1, the extension screw 14 is in threaded fit with the nut, a pressing plate 15 is fixed at the inner side end of the extension screw extending into the clamping plate, and a turning handle 6 is arranged at the outer side end of the extension screw 14. The inner sides of the two clamping plates 1 are vertically fixed with a vertical plate 5 respectively, the upper end of one vertical plate is hinged with a cover plate 13, two sides of the upper end of the other vertical plate are respectively provided with a pin barrel, the middle part of the end face of the cover plate is provided with a pin barrel, and a pin shaft is additionally arranged and penetrates through the pin barrels to fixedly connect the cover plate 13 with the vertical plate 5. The both sides of pillar 9 are equipped with outer hem, and the outer hem of pillar inboard passes through screw and fixed sleeve 4's interior terminal surface fixed connection, and the upper end of pillar 9 exceeds fixed sleeve 4's up end. A rib plate 16 is connected between the guard plate 7 and the clamping plate.

When the clamping plate is used, the large arm is conveyed to the position of the clamping plate through the conveying sliding rail, the large arm assembly transversely passes through the large arm supporting channel, the lengthened screw rods 14 on the two clamping plates 1 are adjusted to adapt to the width of the large arm, the clamping plate 15 on the two sides of the clamping plates further fixedly clamps the large arm left and right, the cover plate 13 and the vertical plate 5 at the upper end of the clamping plates are fixed through the pin shafts, and then the lengthened screw rods 14 on the cover plate 13 are adjusted to adapt to the height of the large arm and fixedly clamps the large arm up and down. Finally, the gear ring is controlled to rotate through the gear motor 8, so that the large arm clamped in the large arm supporting channel is driven to rotate, and further assembly, welding and other operations of the large arm are facilitated. The utility model can shift and rotate the big arm of the crane, further finish the subsequent operations of assembling, welding and the like of the big arm, reduce the collision caused by lifting and overturning by adopting a crane, ensure personnel safety, simplify the procedure operation, firmly clamp the big arm through the U-shaped big arm supporting channel and the jacking component arranged outside the channel, ensure the overturning operation, randomly adjust the overturning angle of the big arm, reduce the technical problem of long overturning waiting time of the big arm, improve the assembly efficiency, and save the time by more than 20 minutes compared with the overturning of the big arm by using the crane. .

Claims (5)

1. The utility model provides a big arm equipment runing rest of hoist, includes mount and swivel mount, its characterized in that: the fixing frame comprises a base (11) and a fixing sleeve (4), two support posts (9) are vertically fixed at the upper end of the base (11), the inner side of the fixing sleeve (4) is fixedly connected with the support posts (9), the rotating support comprises a gear ring (3), the gear ring (3) is sleeved on the outer side of the fixing sleeve (4), a roller (2) is arranged between the fixing sleeve (4) and the gear ring (3), two clamping plates (1) are transversely inserted in the fixing sleeve (4), a bottom plate (12) is fixed at the lower end of each of the two clamping plates (1), a cover plate (13) is hinged to the upper end of each of the two clamping plates (1), a guard plate (7) is fixedly arranged outside the gear ring (3), the fixing sleeve (4) is located between the support posts (9) and the guard plate (7), the clamping plates (1) are integrally connected with the gear ring (3) through the guard plates (7), a jacking assembly is arranged on the base (11), a speed reducing motor (8) is arranged on an output shaft of the speed reducing motor (8), and a driving gear (10) is meshed with the gear (3).

2. The crane boom assembly swivel stand of claim 1, wherein: the jacking assembly comprises a nut and an extension screw (14), the nut is welded on the outer side of the clamping plate (1), the extension screw (14) is in threaded fit with the nut, a pressing plate (15) is fixed at the inner side end of the extension screw extending into the clamping plate, and a turning handle (6) is arranged at the outer side end of the extension screw (14).

3. The crane boom assembly swivel stand of claim 1, wherein: a vertical plate (5) is vertically fixed on the inner sides of the two clamping plates (1), the upper end of one vertical plate is hinged with a cover plate (13), two pin barrels are respectively arranged on two sides of the upper end of the other vertical plate, a pin barrel is arranged in the middle of the end face of the cover plate (13), and a pin shaft is additionally arranged and penetrates through the pin barrels to fixedly connect the cover plate (13) with the vertical plate (5).

4. The crane boom assembly swivel stand of claim 1, wherein: the both sides of pillar (9) are equipped with outer hem, and the outer hem of pillar inboard passes through the interior terminal surface fixed connection of screw with fixed cover (4), and the upper end of pillar (9) exceeds the up end of fixed cover (4).

5. The crane boom assembly swivel stand of claim 1, wherein: a ribbed plate (16) is connected between the guard plate (7) and the clamping plate (1).