CN210214623U

CN210214623U - Wheel crane

Info

Publication number: CN210214623U
Application number: CN201920831523.9U
Authority: CN
Inventors: Zhifang Chen; 陈志芳; Xuefeng Li; 李雪峰; Dashuai Chang; 常大帅; Xiaojie Jia; 贾晓杰; Jie Li; 李�杰
Original assignee: Xuzhou Heavy Machinery Co Ltd
Current assignee: Xuzhou Heavy Machinery Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-03-31
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a wheeled crane, it includes: a frame; the rotary table is arranged on the frame; a counterweight including a first counterweight, a second counterweight, and a third counterweight; the mounting mechanism comprises a first mounting mechanism, a second mounting mechanism and a third mounting mechanism; the first mounting mechanism is arranged at the middle section of the frame, the second mounting mechanism is arranged at the tail part of the turntable, and the third mounting mechanism is arranged at the rear section of the frame; when the wheel crane is in a working state, the first balance weight, the second balance weight and the third balance weight are all arranged on the first mounting mechanism; when the wheeled crane is in a rotating state, the first balance weight, the second balance weight and the third balance weight are respectively arranged on the first mounting mechanism, the second mounting mechanism and the third mounting mechanism. The utility model discloses the back tail space of make full use of hoist makes wheeled hoist can carry more balanced heavy short distance transitions, improves the balanced heavy carrying capacity of short distance transitions, reduces balanced heavy dismantlement number of times.

Description

Wheel crane

Technical Field

The utility model relates to an engineering machine tool field especially relates to a wheeled crane.

Background

In the process of transferring, the large-tonnage crane is limited in space in the crane, part of counterweight is usually required to be detached, the crane is transported and transferred independently through a plate trailer or a trailer, and particularly when the crane is transferred in a short distance on a construction site, the counterweight is frequently detached, so that the use cost of a user is increased, and the operation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

One of the objects of the present invention is to provide a wheel crane for alleviating the problem of cost increase caused by the need of individually setting the vehicle transfer counterweight.

Some embodiments of the utility model provide a wheeled crane, it includes:

the frame is provided with a front wheel and a rear wheel,

the rotary table is arranged on the frame;

a counterweight including a first counterweight, a second counterweight, and a third counterweight; and

the mounting mechanism comprises a first mounting mechanism, a second mounting mechanism and a third mounting mechanism; the first mounting mechanism is arranged at the middle section of the frame, the second mounting mechanism is arranged at the tail part of the rotary table, and the third mounting mechanism is arranged at the rear section of the frame;

when the wheeled crane is in a working state, the first balance weight, the second balance weight and the third balance weight are all arranged on the first mounting mechanism; and the first balance weight, the second balance weight and the third balance weight are respectively arranged on the first mounting mechanism, the second mounting mechanism and the third mounting mechanism when the wheeled crane is in a rotating state.

In some embodiments, the third mounting mechanism comprises:

the bracket is fixedly connected with the rear section of the frame; and

the pin shaft is arranged on the bracket;

the third balance weight is provided with a through hole, and the pin shaft is used for being arranged in the through hole in a penetrating mode.

In some embodiments, the third mounting mechanism further comprises a bolt;

the end part of the pin shaft penetrating through the through hole is provided with a threaded hole, and the bolt is matched with the threaded hole so as to lock the third balance weight at the rear section of the frame.

In some embodiments, the through hole includes a first hole and a second hole, the first hole has a larger diameter than the second hole, the first hole is used for disposing the pin, and the second hole is used for disposing the bolt.

In some embodiments, at least three pins are provided on the bracket.

In some embodiments, the pin is disposed on the top of the bracket, and the third counterweight is disposed above the bracket.

In some embodiments, the stent comprises:

a first bracket disposed at a rear end of the rear section of the frame, and

and the second support is connected with the first support and arranged at the top of the rear section of the frame.

In some embodiments, the third mounting mechanism comprises: and the frame is fixedly arranged at the rear section of the vehicle frame and forms a space for accommodating the third balance weight.

In some embodiments, the rear portion of the turntable is located above the rear section of the frame.

In some embodiments, the wheeled crane includes an engine on the lower vehicle for powering the boarding and disembarking operations.

Based on the technical scheme, the utility model discloses following beneficial effect has at least:

in some embodiments, through carrying out rational planning to the whole car space, place the balanced heavy middle section at the frame of part, the balanced heavy back tail of placing at the revolving stage of part, the balanced heavy back section of placing at the frame of part makes wheeled crane in the in-process of traveling, can carry more balanced heavy short distance transitions, make full use of the back tail space of hoist, improve the balanced heavy ability of carrying of short distance transitions, reduce balanced heavy dismantlement number of times, reach the purpose that reduces user use cost, promote the operating efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of a wheeled heavy machine according to some embodiments of the present invention in a transition state;

fig. 2 is a schematic view illustrating an installation of a third counterweight of a wheeled heavy machine in a transition state according to some embodiments of the present invention;

fig. 3 is an exploded view of a third counterweight and third mounting mechanism according to some embodiments of the present invention;

fig. 4 is a schematic cross-sectional view of a third counterweight according to some embodiments of the present invention.

Reference numerals in the drawings indicate:

1-a vehicle frame;

2-a turntable;

31-a first counterweight; 32-a second counterweight; 33-third counterweight; 331-a through hole;

4-a third mounting mechanism; 41-a bracket; 42-pin shaft; 43-bolt;

5-crane arm.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.

Due to the space limitation of the luffing cylinder of the wheel crane and the limitation of the rear tail bearing capacity of the rotary table, the portable counterweight of the wheel crane in the field of the wheel crane still has the limitation, and the bearing capacity of the wheel crane in the short-distance field of the wheel crane cannot be fully exerted.

Based on this, this disclosure carries out rational planning to the whole car space of wheel crane, carries the counter weight as much as possible, reduces counter weight dismouting frequency, reduces user use cost.

As shown in fig. 1, a schematic view of a wheeled crane is provided in some embodiments.

In some embodiments, the wheeled crane comprises a frame 1, a turntable 2, a counterweight, a mounting mechanism, and a boom 5.

Wherein, the turntable 2 is arranged at the top of the frame 1.

The balancing weights comprise a first balancing weight 31, a second balancing weight 32 and a third balancing weight 33.

The mounting mechanism comprises a first mounting mechanism, a second mounting mechanism and a third mounting mechanism 4.

The first mounting mechanism is arranged at the middle section of the frame 1, and is used for mounting the first balance weight 31 in a transition state.

The second mounting mechanism is provided at the rear of the turntable 2, and is used to mount the second counterweight 32 in a transition state.

The third mounting mechanism 4 is provided at the rear section of the vehicle body frame 1, and the third mounting mechanism 4 is used for mounting the third counterweight 33 in the transition state.

In the operating state of the wheeled crane, the first counterweight 31, the second counterweight 32, and the third counterweight 33 are all provided at the first mounting mechanism at the tail of the turntable 2.

As shown in fig. 1 and 2, in the wheel crane in a turning state, the first counterweight 31 is provided at the first attachment mechanism at the middle stage of the frame 1, the second counterweight 32 is provided at the second attachment mechanism at the tail of the turntable 2, and the third counterweight 33 is provided at the third attachment mechanism 4 at the rear stage of the frame 1.

In some embodiments, the counterweight is a combined counterweight, the maximum counterweight weight used by the whole crane of the crane is divided into a plurality of parts, and the parts can be freely combined according to actual working conditions during operation.

The balancing weights in the present disclosure are not limited to including the first balancing weight 31, the second balancing weight 32, and the third balancing weight 33, and may include a fourth balancing weight, a fifth balancing weight, and the like.

Of course, the first counterweight 31, the second counterweight 32, and the third counterweight 33 are not limited to only one.

In some embodiments, the first mounting mechanism, the second mounting mechanism, and the third mounting mechanism 4 are structurally different from one another, or at least two of the mounting mechanisms are structurally identical.

As shown in FIG. 3, in some embodiments, third mounting mechanism 4 includes a bracket 41 and a pin 42.

The bracket 41 is fixedly connected with the rear section of the frame 1. The pin 42 is provided on the bracket 41.

Optionally, a pin 42 is provided at the top of the bracket 41.

Optionally, the third counterweight 33 is disposed above the support 41.

The third counterweight 33 is provided with a through hole 331, and the pin shaft 42 is arranged in the through hole 331 in a penetrating manner.

The tail part of the rotary table 2 is positioned above the rear section of the frame 1.

In some embodiments, the third mounting mechanism 4 further comprises a bolt 43. The end of the pin shaft 42 penetrating the through hole 331 is provided with a threaded hole, and the bolt 43 is matched with the threaded hole to lock the third counterweight 33 at the rear section of the frame 1.

As shown in fig. 4, in some embodiments, the through hole 331 includes a first hole and a second hole, the first hole having a larger diameter than the second hole, the first hole being used for the pin 42 and the second hole being used for the bolt 43.

The diameter of the pin 42 is adapted to the diameter of the first hole, i.e.: the diameter of the pin 42 is equal to the diameter of the first hole, or the diameter of the pin 42 is slightly smaller than the diameter of the first hole.

The diameter of the bolt 43 is adapted to the diameter of the second bore, i.e.: the diameter of the bolt 43 is equal to the diameter of the second hole, or the diameter of the bolt 43 is slightly smaller than the diameter of the second hole.

The third balance weight 33 is provided with a through hole 331, the through hole 331 of the third balance weight 33 penetrates through the pin shaft 42, the end part of the pin shaft 42 penetrating in the through hole 331 is provided with a threaded hole, the bolt 43 is matched with the threaded hole, and the third balance weight 33 and the pin shaft 42 are connected through the bolt 43, so that the mounting and fixing of the third balance weight 33 can be completed.

In some embodiments, at least three pins 42 are provided on the bracket 41 to increase the mounting stability of the third counterweight 33.

In some embodiments, the bracket 41 includes a first bracket and a second bracket.

The first bracket is arranged at the rear end of the rear section of the frame 1. Optionally, the first bracket is connected to the rear end of the rear section of the frame by a bolt.

The second support is connected with the first support, and the second support is arranged at the top of the rear section of the frame 1. Optionally, the second bracket is connected to the top of the rear section of the frame by a bolt.

The third counterweight 33 can be fixed to the rear section of the vehicle body frame by other means than the structure of the third mounting mechanism 4 described above.

For example: in some embodiments, the third mounting mechanism 4 comprises a frame fixedly attached to the rear section of the frame 1, the frame defining a space for receiving the third counterweight 33.

Alternatively, a bracket is directly welded at the rear section of the frame to be fixed to the third counterweight 33.

Through increasing balanced heavy at the back end of frame, it is fixed with the back end of balanced heavy and frame through third installation mechanism 4 to promote the ability of carrying of wheeled crane short distance transition balanced heavy, reduce balanced heavy dismantlement number of times, reduce user's use cost, promote the operating efficiency of product.

In some embodiments, the wheeled crane further comprises an engine mounted on the lower vehicle for powering the boarding and disembarking operations.

In the above embodiment, the engine is provided on the lower vehicle, and the space occupied by the upper vehicle can be avoided, so that enough space for the transition counterweight is reserved for the upper vehicle.

In the description of the present invention, it should be understood that the terms "first", "second", "third", etc. are used to define the components, and are only used for the convenience of distinguishing the components, and if not stated otherwise, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present invention.

Furthermore, the technical features of one embodiment may be combined with one or more other embodiments advantageously without explicit negatives.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A wheeled crane, comprising:

a frame (1);

a turntable (2) provided on the frame (1);

a counterweight comprising a first counterweight (31), a second counterweight (32) and a third counterweight (33); and

a mounting mechanism comprising a first mounting mechanism, a second mounting mechanism and a third mounting mechanism (4); the first mounting mechanism is arranged at the middle section of the frame (1), the second mounting mechanism is arranged at the tail part of the rotary table (2), and the third mounting mechanism (4) is arranged at the rear section of the frame (1);

when the wheeled crane is in a working state, the first balance weight (31), the second balance weight (32) and the third balance weight (33) are arranged on the first mounting mechanism; the first balance weight (31), the second balance weight (32) and the third balance weight (33) are respectively arranged on the first mounting mechanism, the second mounting mechanism and the third mounting mechanism (4) when the wheeled crane is in a turning state.

2. A wheeled crane according to claim 1, characterised in that said third mounting means (4) comprises:

the bracket (41) is fixedly connected with the rear section of the frame (1); and

a pin (42) provided to the bracket (41);

the third balance weight (33) is provided with a through hole (331), and the pin shaft (42) is used for penetrating in the through hole (331).

3. A wheeled crane according to claim 2, characterised in that said third mounting means (4) further comprises a bolt (43);

the end part of the pin shaft (42) penetrating through the through hole (331) is provided with a threaded hole, and the bolt (43) is matched with the threaded hole so as to lock the third balance weight (33) at the rear section of the frame (1).

4. A wheeled crane according to claim 3, characterised in that said through hole (331) comprises a first hole and a second hole, said first hole having a larger diameter than said second hole, said first hole being adapted for the arrangement of said pin (42) and said second hole being adapted for the arrangement of said bolt (43).

5. A wheeled crane according to claim 2, characterised in that said frame (41) is provided with at least three said pins (42).

6. A wheeled crane according to claim 2, characterised in that said pin (42) is arranged on top of said frame (41) and said third counterweight (33) is arranged above said frame (41).

7. A wheeled crane according to claim 2, characterised in that said support (41) comprises:

a first bracket arranged at the rear end of the rear section of the frame (1), and

the second support is connected with the first support and arranged at the top of the rear section of the frame (1).

8. A wheeled crane according to claim 1, characterised in that said third mounting means (4) comprises: and the frame is fixedly arranged at the rear section of the vehicle frame (1) and forms a space for accommodating the third balance weight (33).

9. A wheeled crane according to claim 1, characterised in that the tail of the turntable (2) is located above the rear section of the frame (1).

10. The wheeled crane of claim 1 including an engine on the lower vehicle for powering the boarding and disembarking operations.