CN212982265U

CN212982265U - Crane electric hoist fixing structure

Info

Publication number: CN212982265U
Application number: CN202021376358.1U
Authority: CN
Inventors: 徐东海; 雷云仙; 李首洋
Original assignee: Chibi Puqi Hoisting And Conveying Machinery Co ltd
Current assignee: Chibi Puqi Hoisting And Conveying Machinery Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-16
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a fixing structure of an electric hoist of a crane, which comprises a girder, the lower side of the girder is opened, the front side and the rear side of the opened lower side are provided with a guide rail I, a roller I rolls in the guide rail I, the roller I is rotatably connected with a connecting piece, the lower side of the connecting piece is provided with a U-shaped plate II, the U-shaped plate II is arranged front and rear, a plurality of plate springs are arranged between the U-shaped plate II and the connecting piece, the left end and the right end of each plate spring are fixed on the U-shaped plate II through bolts and fixing pieces, the U-shaped plate II bends towards the upper side, the upper part of the U-shaped plate II passes through the fixing pieces, the fixing pieces are fixedly connected with the U-shaped plate I, the left side and the right side of the U-shaped plate I pass through the U-shaped plate II, the utility model, the double-shaft motor is used for driving, and the running is stable.

Description

Crane electric hoist fixing structure

Technical Field

The utility model relates to an electric block fixed knot constructs technical field, specifically is a hoist electric block fixed knot constructs.

Background

The gantry crane or the bridge crane adopting the electric hoist is used in the prior production, the electric hoist is arranged in parallel with the main beam, and the effective strokes of the electric hoist at the two ends of the main beam are limited due to the requirement of the lift of the electric hoist and the influence of the structure of the electric hoist; the maximum translation stroke of the heavy object is far shorter than the length of a main beam of the crane, and due to the requirement of efficient utilization of ground space, the heavy object beyond the lifting stroke can only adopt a cable-stayed lifting mode;

in the prior art, the electric hoist is generally fixed on a crane girder in a gear engagement mode and the like. This kind of gear drive stability is relatively poor, easily leads to lifting hook and heavy object range of rocking big, and transmission efficiency is low, and the horizontal size of fixed knot constructs is great, has restricted electric block's moving range. Therefore, the utility model provides a hoist electric block fixed knot constructs to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist electric block fixed knot constructs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fixing structure of an electric hoist of a crane comprises a main beam, wherein the lower side of the main beam is provided with an opening, the front side and the rear side of the lower side of the opening are provided with a first guide rail, a first roller wheel rolls in the first guide rail, the first roller wheel is rotatably connected to a connecting piece, the lower side of the connecting piece is provided with a second U-shaped plate, the front side and the rear side of the second U-shaped plate are arranged, a plurality of plate springs are arranged between the second U-shaped plate and the connecting piece, the left end and the right end of each plate spring are fixed on the second U-shaped plate through bolts and fixing pieces, the second U-shaped plate bends towards the upper side, the upper part of each plate passes through the fixing piece, the;

the connecting piece internal rotation is connected with the pivot, is equipped with two gears one in the pivot, and gear one meshes gear two, gear two and biax motor coaxial coupling, and the biax motor is installed at the upside of connecting piece, and the outside of biax motor is equipped with the dustcoat, plays the guard action, the equal fixedly connected with gyro wheel two in both ends around the pivot, gyro wheel two rotates to be connected in guide rail two.

As a further scheme of the utility model, the lower extreme left and right sides all is connected with the spring about U template two, and the other end butt of spring reduces electric block's the range of rocking at the inboard of U template one.

As the utility model discloses further scheme again, guide rail two is higher than guide rail one, and guide rail two and guide rail parallel arrangement play the effect of support and removal.

As the utility model discloses further scheme again, both ends all are fixed with the riser around the downside of connecting piece, in the axis of rotation of gyro wheel one connects the riser.

As the utility model discloses scheme further again, the riser is rotated towards one side of gyro wheel two and is connected with a plurality of side rollers, and the side roller rotates to be connected in the medial surface guide slot of girder.

As the utility model discloses further scheme again, the step form of symmetry around the downside of girder is inside.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a gyro wheel one supports with gyro wheel two, reduces the transverse distance of gyro wheel in the girder, and then has increased electric block's moving range.

2. The utility model discloses a leaf spring and spring cushion, reduce electric block's range of rocking.

3. The utility model discloses utilize the biax motor to drive, the operation is stable.

Drawings

Fig. 1 is a schematic front view of a fixing structure of an electric hoist of a crane.

Fig. 2 is a left side view structural schematic diagram of a fixing structure of an electric hoist of a crane.

Fig. 3 is a schematic structural diagram of a first U-shaped plate in a fixing structure of an electric hoist of a crane.

In the figure: 1. a main beam; 2. an electric hoist; 3. a first U-shaped plate; 4. a U-shaped plate II; 5. a plate spring; 6. a connecting member; 7. a first roller; 8. a second roller; 9. a first guide rail; 10. a second guide rail; 11. a side roller; 12. a rotating shaft; 13. a first gear; 14. a second gear; 15. a double-shaft motor; 16. a housing; 17. a spring; 18. and (4) hanging hooks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a fixing structure for an electric hoist of a crane includes a main beam 1, a lower opening of the main beam 1 is provided, a first guide rail 9 is provided on front and rear sides of the lower side of the opening, a first roller 7 rolls in the first guide rail 9, the first roller 7 is rotatably connected to a connecting member 6, a second U-shaped plate 4 is provided on a lower side of the connecting member 6, the second U-shaped plate 4 is disposed on front and rear sides of the second U-shaped plate 4, a plurality of leaf springs 5 are provided between the second U-shaped plate 4 and the connecting member 6, left and right ends of the leaf springs 5 are fixed to the second U-shaped plate 4 by bolts and fixing members, the second U-shaped plate 4 is bent upward, an upper portion of the fixing members passes through the fixing members, the fixing members are fixedly connected to the first U-shaped plate 3, left and right sides of the first U-shaped plate 3, the other end of the spring 17 abuts against the inner side of the U-shaped plate I3, so that the shaking amplitude of the electric hoist 2 is reduced;

a rotating shaft 12 is rotatably connected in the connecting piece 6, two first gears 13 are arranged on the rotating shaft 12, the first gears 13 are meshed with a second gear 14, the second gear 14 is coaxially connected with a double-shaft motor 15, the double-shaft motor 15 is arranged on the upper side of the connecting piece 6, and the outer side of the double-shaft motor 15 is provided with an outer cover 16 for protecting, the front end and the rear end of the rotating shaft 12 are fixedly connected with a second roller 8, the second roller 8 is rotatably connected in a second guide rail 10, the second guide rail 10 is higher than the first guide rail 9, the second guide rail 10 and the first guide rail 9 are arranged in parallel to play a role in supporting and moving, vertical plates are fixed at the front end and the rear end of the lower side of the connecting piece 6, a rotating shaft of the first roller 7 is rotatably connected into the vertical plates, and one side of the vertical plate facing the second idler wheel 8 is rotatably connected with a plurality of side rollers 11, the side rollers 11 are rotatably connected in the inner side guide grooves of the main beam 1, and the inside of the lower side of the main beam 1 is in a front-back symmetrical step shape.

The utility model discloses a theory of operation is: during the use, mention electric block 2 through U template one 3, U template one 3 passes through leaf spring 5 and connects the lower extreme of U template two 4, U template two 4 rotates with girder 1 through gyro wheel one 7 and two 8 of gyro wheel to be connected, on the girder 1 with gravity direction, drive two 14 rotations of gear through biax motor 15, and then drive one 13 rotations of gear, drive two 8 rotations in two 10 rotations of guide rails, and then drive electric block 2 and remove, simultaneously, spring 17 can slow down electric block 2's the range of rocking.

The utility model discloses a gyro wheel 7 and gyro wheel two 8 support, reduce the transverse distance of gyro wheel in girder 1, and then increased electric block 2's moving range, simultaneously, cushion through leaf spring 5 and spring 17, reduce electric block 2's range of rocking, utilize biax motor 15 to drive, the operation is stable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fixing structure of an electric hoist of a crane comprises a main beam (1) and is characterized in that the main beam (1) is provided with an opening at the lower side, guide rails (9) are arranged on the front side and the rear side of the lower side of the opening, rollers (7) roll in the guide rails (9), the rollers (7) are rotatably connected to a connecting piece (6), a U-shaped plate II (4) is arranged on the lower side of the connecting piece (6), the U-shaped plate II (4) is arranged at the front side and the rear side, a plurality of plate springs (5) are arranged between the U-shaped plate II (4) and the connecting piece (6), the left end and the right end of each plate spring (5) are fixed on the U-shaped plate II (4) through bolts and fixing pieces, the U-shaped plate II (4) is bent towards the upper side, the fixing piece penetrates through the upper part, the fixing piece is fixedly connected with the U-shaped plate I (3), the left, the lower end of the electric hoist (2) is connected with a hook (18);

the connecting piece (6) internal rotation is connected with pivot (12), is equipped with two gears one (13) on pivot (12), and gear one (13) meshing gear two (14), gear two (14) and double-shaft motor (15) coaxial coupling, and double-shaft motor (15) are installed at the upside of connecting piece (6), and the outside of double-shaft motor (15) is equipped with dustcoat (16), the equal fixedly connected with gyro wheel two (8) in both ends around pivot (12), gyro wheel two (8) rotate to be connected in guide rail two (10).

2. The fixing structure of the electric hoist of the crane according to claim 1, wherein springs (17) are connected to the left and right sides of the left and right lower ends of the U-shaped plate II (4), and the other ends of the springs (17) abut against the inner side of the U-shaped plate I (3).

3. The fixing structure of the electric hoist of the crane according to claim 1, wherein the second guide rail (10) is higher than the first guide rail (9), and the second guide rail (10) is arranged in parallel with the first guide rail (9).

4. The fixing structure of the electric hoist of the crane as claimed in claim 1, wherein the connecting piece (6) is fixed with vertical plates at the front and rear ends of the lower side, and the rotating shaft of the first roller (7) is rotatably connected with the vertical plates.

5. The fixing structure of the electric hoist of the crane as claimed in claim 4, wherein the side of the vertical plate facing the second roller (8) is rotatably connected with a plurality of side rollers (11), and the side rollers (11) are rotatably connected in the inner side guide grooves of the main beam (1).

6. The fixing structure of the electric hoist of the crane according to claim 1, characterized in that the lower inner part of the main beam (1) is in a step shape symmetrical in front and back.