CN210764053U

CN210764053U - Device capable of combining and retracting balance weights

Info

Publication number: CN210764053U
Application number: CN201921315392.5U
Authority: CN
Inventors: 陈刚; 张乐亲; 刘立; 黄伟民
Original assignee: Wuhan Tonglian Road And Bridge Machinery Technical Co ltd
Current assignee: Wuhan Tonglian Road And Bridge Machinery Technical Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-16
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a belong to mechanical technical field, specifically be a accomplish that counter weight can make up retractable device, it includes: the main arm, the hoist engine, the guide pulley, the trolley, main counter weight box and arrow head anchor, the main arm bottom is provided with the slide rail, main arm top fixed mounting hoist engine, be provided with wire rope on the hoist engine, main arm left side and right side all are provided with a plurality of guide pulley, set up the trolley on the slide rail, be provided with fixed pulley and wire rope on the trolley, the wire rope bottom is connected with the hoisting wheel, hoisting wheel bottom fixed mounting has the lifting hook, main arm bottom left side sets up main counter weight box, main counter weight box is inside to set up secondary counter weight box, the device has not only improved the efficiency of the hoisting mechanism of equipment self, do not need outside crane work, and main counter weight box installation or demolish easily, possess available can not use, along with the advantage of using.

Description

Device capable of combining and retracting balance weights

Technical Field

The utility model relates to the technical field of machinery, specifically be a accomplish that counter weight can make up retractable device.

Background

Along with the increase of the rated hoisting amplitude of the cantilever crane, the self weight is limited under different working conditions, and the span of the support leg is influenced by the space and the rigidity of the support leg, so that the self weight cannot be increased or decreased singly. Therefore, the design can be combined with the retractable counterweight to be an option.

At present, at home and abroad, the hoisting of the balance weight is often completed by adopting an external crane, and the mode of loading and unloading the balance weight by adopting the external crane can limit the structural variety of the balance weight, so that the processes of hoisting, transporting and transferring the balance weight are complex and the cost is high.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems that exist in existing cantilever cranes.

Therefore, the utility model aims at providing a accomplish that the counter weight can make up retractable device can make things convenient for the weight box to install and use, and the weight box installation and the dismantlement of being convenient for reduce the work degree of difficulty, improve work efficiency.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a device for completing stowable and stowable combinable weights comprising: main arm, hoist engine, guide pulley, trolley, main counter weight box and cornice anchor, the main arm bottom is provided with the slide rail, main arm top fixed mounting hoist engine, be provided with wire rope on the hoist engine, main arm left side and right side all are provided with a plurality of guide pulleys, set up trolley on the slide rail, last fixed pulley and the wire rope of being provided with of trolley, the wire rope bottom is connected with the hoisting wheel, hoisting wheel bottom fixed mounting has the lifting hook, main arm bottom left side sets up main counter weight box, the inside secondary counter weight box that sets up of main counter weight box, main arm left side fixed mounting cornice anchor.

As a preferred scheme of accomplishing a device that the counter weight can be combined to be retractable, wherein: the steel wire rope is transmitted to the secondary counterweight box body through the guide pulley, and the left end of the steel wire rope is fixedly connected with the vector head anchor.

As a preferred scheme of accomplishing a device that the counter weight can be combined to be retractable, wherein: the main counterweight box body and the secondary counterweight box body are embedded and installed, and a detachable bolt is arranged between the main counterweight box body and the secondary counterweight box body.

As a preferred scheme of accomplishing a device that the counter weight can be combined to be retractable, wherein: the right end of the sliding rail is fixedly provided with a limiting block, and the left side and the right side of the trolley are fixedly provided with buffer blocks.

As a preferred scheme of accomplishing a device that the counter weight can be combined to be retractable, wherein: the main arm is provided with a plurality of clearance lamps which are uniformly distributed on the main arm.

Compared with the prior art: the device mainly comprises a winch, a guide pulley, a hoisting trolley, a steel wire rope, a counterweight box body, a cornhead anchor and the like. The counterweight box body is divided into a main counterweight box body and a secondary counterweight box body, the main counterweight box body and the secondary counterweight box body are connected and combined into a whole by bolts, and the main counterweight box body is lifted or lowered by a hoisting machine of a hoisting mechanism to complete the combination and the retraction of the main counterweight box body. The device not only improves the efficiency of the lifting mechanism of the equipment, does not need an external crane to work, but also has the advantages that the main counterweight box body is simple and easy to install or dismantle, can be used or not used and can be used at any time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the main counterweight box body of the present invention;

fig. 3 is the structural schematic diagram of the secondary counterweight box body disassembly of the utility model.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a accomplish that counter weight can make up retractable device can make things convenient for the weight box to install and use, and the weight box installation and the dismantlement of being convenient for reduce the work degree of difficulty, improve work efficiency, please refer to fig. 1, include: the main arm 100, the winch 200, the guide pulley 300, the crane trolley 400, the main counterweight box body 500 and the cornice anchor 600;

referring to fig. 1 and 2, the main arm 100 includes a sliding rail 110, and specifically, the main arm 100 is a welded truss structure, the sliding rail 110 is disposed at the bottom of the main arm 100, the sliding rail 110 provides support and guidance for the movement of the trolley 400, and the main arm 100 is made of low-alloy high-strength structural steel.

Referring to fig. 1 and 2 again, the winch 200 is fixedly installed at the top of the main arm 100 by bolts, a wire rope 410 is wound on a winding reel of the winch 200, the wire rope 410 is used for supporting and hoisting the secondary counterweight housing 510, and the winch 200 provides power for hoisting the wire rope 410.

Referring to fig. 1 and 2 again, the guide pulleys 300 are installed at the left and right sides of the main arm 100 by bolts, the guide pulleys 300 are installed at the upper and lower positions of the left and right sides of the main arm 100, and the four guide pulleys 300 support the steel wire rope 410, so that the steel wire rope 410 can be conveniently retracted and pulled.

Referring to fig. 1 and 2 again, the trolley 400 includes a steel cable 410, a lifting wheel 420 and a hook 430, specifically, the trolley 400 is disposed on the slide rail 110, different positions of the trolley 400 are moved on the slide rail 110 to pull heavy objects at different positions, the steel cable 410 is wound on a fixed pulley of the trolley 400, the steel cable 410 is used for transmitting power, the lifting wheel 420 is disposed at the bottom of the steel cable 410, the lifting wheel 420 moves up and down under the power of the steel cable 410, and the heavy objects are pulled by the hook 430 at the bottom of the lifting wheel 420.

Referring to fig. 1, 2 and 3, the main counterweight box 500 includes a secondary counterweight box 510, specifically, the secondary counterweight box 510 is installed inside the main counterweight box 500 through a bolt, the secondary counterweight box 510 is hung on the steel wire rope 410, the winch 200 works, and the steel wire rope 410 drives the secondary counterweight box 510 and the main counterweight box 500 to ascend or descend, so as to facilitate installation and use of the main counterweight box 500.

Referring to fig. 1 and 2 again, the vector anchor 600 is fixedly installed on the left side of the main arm 100 through a bolt, the vector anchor 600 is connected with the steel wire rope 410, and the vector anchor 600 fixes the left end of the steel wire rope 410, so that the steel wire rope 410 can work under the driving of the winch 200.

When the main counterweight box body 500 needs to be installed (the secondary counterweight box body 510 is installed at the rear end part of the main arm), the front leg lower cross beam is hooked and tensioned by the lifting hook 430 of the lifting trolley 400 before the winch 200 is driven to descend the secondary counterweight box body 510 to the ground, the secondary counterweight box body 510 and the main arm are connected and combined into a whole by bolts, finally the winch 200 is driven to lift the whole counterweight box body and is installed at the rear end part of the main arm, the connection between the lifting hook 430 of the lifting trolley 400 and the front leg lower cross beam is released, and the installation of the main counterweight box body 500 is completed.

When the main counterweight box body 500 needs to be disassembled, the front leg lower beam is hooked and tensioned by the lifting hook 430 of the lifting trolley 400 before the winch 200 is driven, then the constraint between the secondary counterweight box body 510 and the main arm is released, the winch 200 is driven to lower the counterweight box body to the ground, the bolt connection between the inner counterweight box body and the outer counterweight box body is released, the main counterweight box body 500 is disassembled, finally the winch 200 is driven to lift the secondary counterweight box body 510 and is installed at the rear end part of the main arm, the connection between the lifting hook 430 of the lifting trolley 400 and the front leg lower beam is released, and the disassembly of the main counterweight box body 500 is completed.

Referring again to fig. 1 and 2, for convenience of installation, the cable 410 is guided to the secondary weight housing 510 via the guide pulley 300, and the left end of the cable 410 is fixedly connected to the sagittal anchor 600.

Referring to fig. 1 and 2 again, for the convenience of installation, the main weight box 500 is mounted with the secondary weight box 510 in an embedded manner, and the main weight box 500 and the secondary weight box 510 have detachable bolts therebetween.

Referring to fig. 1 and fig. 2 again, in order to facilitate installation, a limiting block is fixedly installed at the right end of the slide rail 110, and buffering blocks are fixedly installed at the left side and the right side of the trolley 400.

For convenience in installation and use, a plurality of outline marker lamps are arranged on the main arm 100 and are uniformly distributed on the main arm 100.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A device for completing the retractable combination of weights is characterized by comprising: the crane comprises a main arm (100), a winch (200), guide pulleys (300), a crane trolley (400), a main counterweight box body (500) and a cornice anchor (600), wherein a slide rail (110) is arranged at the bottom of the main arm (100), the winch (200) is fixedly installed at the top of the main arm (100), a steel wire rope (410) is arranged on the winch (200), a plurality of guide pulleys (300) are arranged on the left side and the right side of the main arm (100), the crane trolley (400) is arranged on the slide rail (110), a fixed pulley and a steel wire rope (410) are arranged on the crane trolley (400), a hoisting wheel (420) is connected to the bottom of the steel wire rope (410), a lifting hook (430) is fixedly installed at the bottom of the hoisting wheel (420), the main counterweight box body (500) is arranged on the left side of the bottom of the main arm (100), and a secondary counterweight box, the left side of the main arm (100) is fixedly provided with a cornhead anchor (600).

2. A device for realizing retractable combination of weights as claimed in claim 1, wherein the steel wire rope (410) is conducted to the secondary weight box (510) through the guide pulley (300), and the left end of the steel wire rope (410) is fixedly connected with the sagittal anchor (600).

3. A device capable of being folded and unfolded after completion of the combination of weights, according to claim 1, wherein said main weight box (500) and said secondary weight box (510) are mounted in an embedded manner, and said main weight box (500) and said secondary weight box (510) have a detachable bolt therebetween.

4. The device capable of combining and retracting the balance weights according to claim 1, wherein a limiting block is fixedly installed at the right end of the sliding rail (110), and buffering blocks are fixedly installed at the left side and the right side of the crane trolley (400).

5. A device for carrying out retractable and combinable counterweight according to claim 1, wherein said main arm (100) is provided with a plurality of outline lights, and said outline lights are uniformly distributed on said main arm (100).