CN220866892U - Special convenient workpiece for replacing crown block cab - Google Patents

Abstract

The utility model discloses a convenient special workpiece for replacing a crown block cab, belongs to the technical field of crown blocks, and solves the problems of low maintenance efficiency and potential safety hazard when the cab of the existing crown block needs to be replaced. The workpiece comprises a hoist crane, wherein the hoist crane is arranged above a crown block, a cross steel frame is arranged below the crown block, connecting columns are arranged at four ends of the cross steel frame and are respectively connected with a stand column of a cab, a hanging ring is arranged in the middle of the cross steel frame, and a hoist hook of the hoist crane penetrates through the crown block and is connected with the hanging ring. The convenient special workpiece for replacing the crown block cab can rapidly hoist the cab, is safe and reliable, and has the characteristics of convenience in use and strong practicability.

Description

Special convenient workpiece for replacing crown block cab

Technical Field

The utility model relates to the technical field of crown blocks, in particular to a convenient special workpiece for replacing a crown block cab.

Background

At present, when the crown block cab is severely corroded or other reasons need to be replaced integrally, the old cab is required to be taken off and the new cab is required to be taken on, but the height of a factory building is insufficient, the steam crane is difficult to enter for construction, the preparation time of the steam crane is long, the construction operation surface is large, the field is more restricted after the steam crane enters, the site is not easy to select, the overhead crane cannot be placed and constructed, the maintenance efficiency is low, the maintenance cost is high, and in addition, the lifting hook must fall to be directly above the cab during lifting, and the cab is very tedious and unsafe during lifting because of being directly below one side of a main beam.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a convenient special workpiece for replacing the crown block cab, which can hoist the cab rapidly, is safe and reliable, and has the characteristics of convenient use and strong practicability.

The technical scheme adopted by the utility model is as follows: the utility model provides a change convenient special work piece of crown block driver's cabin, includes the hoist loop wheel machine, the hoist loop wheel machine install in the top of crown block, crown block below be equipped with the cross steelframe, all be equipped with the spliced pole on four tip of cross steelframe, the spliced pole be connected with the stand of driver's cabin respectively, the cross steelframe in the middle of be equipped with rings, the hoist lifting hook of hoist loop wheel machine passes the crown block and is connected with rings.

As a further improvement, the connecting column is provided with a first connecting hole, the upright column is provided with a second connecting hole, and the first connecting hole is connected with the second connecting hole through a connecting bolt.

Further, a connecting rod is arranged between each connecting column and each hanging ring.

Furthermore, the cross steel frame is formed by welding two channel steels in a vertical state.

Further, the overhead travelling crane on set up the hole of stepping down, the calabash lifting hook pass from the hole of stepping down with rings joint, the calabash lifting hook on threaded connection have the locking bolt.

Further, the locking bolt passes through the hook tip of the hoist lifting hook and is in threaded connection with the hook handle.

Further, the yielding hole is rotationally connected with a cover plate through a hinge.

Advantageous effects

Compared with the prior art, the utility model has the following advantages:

According to the convenient special workpiece for replacing the crown block cab, the workpiece is firstly placed on the cab roof for positioning, the connecting columns on four corners of the cross steel frame are respectively aligned with the upright columns of the cab, so that the first connecting holes are aligned with the second connecting holes, then after the upright columns of the cab are firmly connected with the connecting columns by using bolts, the hoist hook falls to the hanging ring on the cross steel frame from the upper yielding hole, and is firmly hung by the hoist, the locking bolt is tightly twisted, so that the hanging ring is effectively prevented from falling, the connecting bolt of the original cab is removed, the cab can be hung to the ground or lifted to the installation position by the hoist, the hanging point of the workpiece can be precisely at the center of the cab, the phenomenon of deflection can not occur in the hoisting, the collision is less, the safety is effectively improved, the hoisting is not limited by the place, the working efficiency is greatly improved, and meanwhile, the workpiece is flexible to use and can be repeatedly used, and can be used for cabs of different specifications, so that the overhaul cost is greatly reduced, and the convenient to use and wide application range are provided.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

fig. 3 is an enlarged schematic diagram of a top view structure of a cross steel frame according to the present utility model.

Wherein: 1-hoist loop wheel machine, 2-crown block, 3-cross steelframe, 4-rings, 5-stand, 6-driver's cabin, 7-apron, 8-hoist lifting hook, 9-hole of stepping down, 10-locking bolt, 11-spliced pole, 12-connecting rod, 13-second connecting hole, 14-first connecting hole, 15-connecting bolt.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-3, the convenient special workpiece for replacing the crown block cab comprises a hoist crane 1, wherein the hoist crane 1 is arranged above a crown block 2, a cross steel frame 3 is arranged below the crown block 2, connecting columns 11 are arranged on four ends of the cross steel frame 3, the connecting columns 11 are respectively connected with upright posts 5 of a cab 6, a lifting ring 4 is arranged in the middle of the cross steel frame 3, a hoist hook 8 of the hoist crane 1 passes through the crown block 2 and is connected with the lifting ring 4, the workpiece is firstly placed on the top of the cab to be positioned, the connecting columns 11 on four corners of the cross steel frame 3 are respectively aligned with upright posts 5 of the cab, a first connecting hole 14 and a second connecting hole 13 are aligned, then after the connecting bolts 15 are used for firmly connecting the upright posts 5 of the cab with the connecting columns 11, the hoist hook 8 falls to lifting ring positions 4 on the cross steel frame 3 from above, the locking bolts 10 are twisted tightly, the mounting bolts of the original lifting ring 4 are removed, the cab can be lifted to the ground or the lifting position through the hoist, the cab can be lifted to the ground or the mounting position, the cab can be greatly restricted by the lifting cost is greatly reduced, the cab can be greatly reduced, the work cab is not is convenient to be used for repairing the cab, the cab is not convenient to use, the cab has high service performance, and the cab is greatly restricted to be used in the cab has high service performance, and the service life can be greatly is greatly restricted.

Specifically, the connecting column 11 is provided with a first connecting hole 14, the upright column 5 is provided with a second connecting hole 13, the first connecting hole 14 is connected with the second connecting hole 13 through a connecting bolt 15, and the connecting column 11 is connected with the upright column 5, so that the cross steel frame 3 can smoothly hoist the cab 6.

Preferably, a connecting rod 12 is arranged between each connecting column 11 and each lifting ring 4, so that the connecting strength is enhanced, and the whole device is more stable in the lifting process.

Further, the cross steel frame 3 is formed by welding two channel steel in a vertical state, the length of the channel steel is manufactured according to the diagonal length of the upright post 5 of the cab 6, and the cross steel frame is manufactured by using the channel steel, so that the cost is low.

Further, offer hole 9 of stepping down on crown block 2, hoist lifting hook 8 pass from hole 9 of stepping down with rings 4 joint, threaded connection has lock bolt 10 on the hoist lifting hook 8, be connected with apron 7 through the hinge rotation on the hole 9 of stepping down, the hole 9 upper cover 7 of stepping down is daily closed, the personnel of being convenient for walk, open in order to put into in hoist lifting hook 8 of being convenient for during the operation, for guaranteeing cutting back step intensity, two angle steel are laid to the hole below when necessary, with guarantee hole department intensity.

Further, the locking bolt 10 passes through the hook tip of the hoist lifting hook 8 and is in threaded connection with the hook handle, the locking bolt 10 and the hook tip of the hoist lifting hook 8 are in threaded connection, the locking bolt 10 plays a role in preventing falling, and the whole device is prevented from falling off in the lifting process.

When the convenient special workpiece for replacing the crown block cab is used, the workpiece is placed on the top of the cab to be positioned, the connecting columns 11 on the four corners of the cross steel frame 3 are guaranteed to be aligned with the upright posts 5 of the cab respectively, the first connecting holes 14 are aligned with the second connecting holes 13, then after the upright posts 5 of the cab are firmly connected with the connecting columns 11 by using the connecting bolts 15, the hoist hook 8 falls to the hanging ring position 4 on the cross steel frame 3 from the upper yielding hole 9 to be hung stably by a hanging hook, the locking bolts 10 are twisted, the hanging ring 4 is effectively prevented from falling, the installation bolts of the original cab are removed, and the cab can be hung to the ground or lifted to the installation position by the hoist. According to the convenient special workpiece for replacing the crown block cab, the lifting point can be precisely positioned at the center of the cab, the deflection phenomenon can not occur in lifting, collision is less, the safety is effectively improved, the lifting is convenient, the working efficiency is greatly improved, meanwhile, the workpiece is flexible to use and reusable, and can be used for cabs with different specifications, so that the overhaul cost is greatly reduced, and the convenient workpiece has the characteristics of convenience in use and wide application range.

While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (7)

1. The utility model provides a change convenient special work piece of crown block driver's cabin, its characterized in that, including hoist loop wheel machine (1), hoist loop wheel machine (1) install in the top of crown block (2), crown block (2) below be equipped with cross steelframe (3), all be equipped with spliced pole (11) on four tip of cross steelframe (3), spliced pole (11) be connected with stand (5) of driver's cabin (6) respectively, cross steelframe (3) in the middle of be equipped with rings (4), hoist lifting hook (8) of hoist loop wheel machine (1) pass crown block (2) and are connected with rings (4).

2. The convenient special workpiece for replacing the crown block cab according to claim 1, wherein the connecting column (11) is provided with a first connecting hole (14), the upright column (5) is provided with a second connecting hole (13), and the first connecting hole (14) is connected with the second connecting hole (13) through a connecting bolt (15).

3. A convenient and fast special workpiece for replacing an overhead travelling crane cab according to claim 1, wherein a connecting rod (12) is arranged between each connecting column (11) and each lifting ring (4).

4. The convenient special workpiece for replacing the crown block cab according to claim 1, wherein the cross steel frame (3) is formed by welding two channel steels in a vertical state.

5. The convenient special workpiece for replacing the crown block cab of claim 1, wherein the crown block (2) is provided with a yielding hole (9), the hoist hook (8) passes through the yielding hole (9) to be clamped with the hanging ring (4), and the hoist hook (8) is connected with a locking bolt (10) in a threaded manner.

6. The convenient special workpiece for replacing the crown block cab according to claim 5, wherein the locking bolt (10) passes through the hook tip of the hoist hook (8) to be in threaded connection with the hook handle.

7. The convenient special workpiece for replacing the crown block cab according to claim 5, wherein the yielding hole (9) is rotatably connected with a cover plate (7) through a hinge.