CN220766336U - Frame and all-terrain crane - Google Patents

Abstract

The utility model relates to an engineering machine tool field discloses a frame and all ground hoist, and the frame includes frame body and landing leg link subassembly, and the frame body is equipped with and is used for with the articulated landing leg link of movable landing leg, and landing leg link subassembly and landing leg link are at the fore-and-aft direction of frame main part upper interval arrangement to including two frame side connecting pieces that stretch out from the both sides of frame body respectively, two frame side connecting pieces all are used for dismantling with movable landing leg and are connected. The frame of this application has good bearing property, compares with current frame, and the structure cross-section and the panel thickness of frame can effectively reduce to effectively reduce the weight and the manufacturing cost of frame, make the wholeness ability of full ground hoist to the development of bigger tonnage.

Description

Frame and all-terrain crane

Technical Field

The application belongs to the field of engineering machinery, and particularly relates to a frame and an all-ground crane using the same.

Background

The all-terrain crane generally mainly comprises a frame and a movable supporting leg, wherein one end of the movable supporting leg is hinged to a supporting leg connecting section of the frame and can rotate between a furling state and a unfolding state under the driving of a swinging oil cylinder, wherein the movable supporting leg and the frame are arranged at an included angle in the unfolding state, and the movable supporting leg and the frame are arranged in parallel in the furling state. When the all-terrain crane is in an operating state, the movable supporting legs rotate to an unfolding state, when the all-terrain crane is in a running state, the movable supporting legs rotate to a folding state, at the moment, the whole crane is mainly loaded through the frame, in the running process of the all-terrain crane, the dead weight of the whole crane is heavy, the axle load of each axle is heavy, and when the road surface is uneven, larger jolt can be generated, and larger impact is caused on the frame, so that the requirement on the bearing performance of the frame is higher.

In the prior art, in order to improve the bearing performance of the frame in the running state of the whole vehicle, the rigidity of the frame is generally improved in a mode of increasing the cross section of the frame structure and the thickness of the plate, but the mode can lead to heavier weight of the frame, higher production cost and limit the weight and the outline size of the whole vehicle by road regulations, the effect of improving the bearing performance of the frame is extremely limited, the expected effect cannot be achieved, and the overall performance constraint of the whole ground crane is larger.

Disclosure of Invention

The purpose of this application is to provide a frame and all-terrain crane, aims at solving the heavy, higher manufacturing cost of frame weight of current all-terrain crane, and is great technical problem to all-terrain crane's wholeness can be retrained.

To achieve the above object, an aspect of the present application provides a vehicle frame, including:

the frame body is provided with a support leg connecting section which is used for being hinged with the movable support leg;

the support leg connecting frame assembly is arranged at intervals in the front-rear direction of the frame body with the support leg connecting sections, and comprises two frame side connecting pieces which extend out of two sides of the frame body respectively, and the two frame side connecting pieces are both used for being detachably connected with the movable support legs after being folded.

Optionally, the frame side connector is formed with a frame side hinge hole for detachably hinge-connecting with the movable leg after folding.

Optionally, the frame includes a plurality of the leg link assemblies, and the plurality of the leg link assemblies are spaced apart in a front-rear direction of the frame body.

Optionally, the two frame side connectors are symmetrically arranged with respect to a central axis of the frame body.

Optionally, the leg link assembly further includes an intermediate link, which spans the frame body and is fixedly connected with the two frame side links, respectively.

Optionally, the frame further includes a support bracket assembly, the support bracket assembly and the leg connecting section are arranged at intervals in the front-back direction of the frame main body, and include two support members respectively arranged at the bottoms of two sides of the frame main body, and the two support members are respectively formed with a horizontal support surface for supporting the movable legs after being folded.

Optionally, a cushion pad is arranged on the horizontal bearing surface.

Optionally, a groove for supporting the head of the vertical cylinder of the movable supporting leg after being folded is formed in the horizontal supporting surface.

Optionally, the frame includes a plurality of the support bracket assemblies spaced apart in a front-rear direction of the frame body.

A second aspect of the present application provides an all-terrain crane, comprising:

the frame;

one end of the movable supporting leg is hinged to the supporting leg connecting section of the frame body and is in a furled state and an unfolded state;

the support leg side connecting piece is arranged on the inner side of the movable support leg and is detachably connected with the frame side connecting piece when the movable support leg is in a furled state.

Optionally, the frame side connector is formed with a frame side hinge hole, the leg side connector is formed with a leg side hinge hole, and the frame side hinge hole and the leg side hinge hole are detachably hinged by a pin shaft.

Through above-mentioned technical scheme, in the frame of this application, increase the landing leg link subassembly that has been arranged with the landing leg linkage segment in the fore-and-aft direction of frame main part at the interval, the landing leg link subassembly includes two frame side connecting pieces that stretch out from the both sides of frame body respectively, frame side connecting piece is used for dismantling with the movable landing leg after drawing in and is connected, during practical application, in the all-terrain crane travel, the movable landing leg that is in the state of drawing in can be connected with frame side connecting piece, so set up, the articulated of cooperation movable landing leg and landing leg linkage segment can make the movable landing leg after drawing in and frame can be connected as a whole, the bearing property when the frame to whole car travel state has greatly been improved, compare with current frame, the structural cross section of frame and panel thickness can effectively reduce, thereby effectively reduce the weight and the manufacturing cost of frame, make the wholeness of all-terrain crane to the large tonnage development.

Additional features and advantages of embodiments of the present application will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of embodiments of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and together with the description serve to explain, without limitation, the embodiments of the present application. Other figures may be made from the structures shown in these figures without inventive effort for a person of ordinary skill in the art. In the drawings:

FIG. 1 is a schematic view of a general crane in a suspended load operation state;

FIG. 2 is a schematic view of the overall crane in the running operation state of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of the frame of the present application;

FIG. 5 is a schematic view of the structure of the movable leg of the present application;

FIG. 6 is a first transverse cross-sectional view of the overall crane of the present application in a traveling condition;

fig. 7 is a second transverse cross-sectional view of the overall crane in the running condition of the present application.

Description of the reference numerals

1. Frame body

11. Front extension of leg connecting section 12

13. Rear extension section

2. Frame side connector

3. Movable support leg

4. Intermediate connecting piece

5. Bearing piece

6. Cushion pad

7. Groove

8. Landing leg side connecting piece

Detailed Description

The following detailed description of specific embodiments of the present application refers to the accompanying drawings. It should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application.

The present application is described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present application first provides a vehicle frame.

In one embodiment, referring to fig. 4, the frame comprises a frame body 1 and a leg link assembly, the frame body 1 is provided with a leg link 11 for hinging with the movable leg 3, the leg link assembly and the leg link 11 are arranged at intervals in the front-rear direction of the frame body, and comprise two frame side connecting pieces 2 respectively extending from two sides of the frame body 1, and the two frame side connecting pieces 2 are both used for detachable connection with the movable leg 3 after folding.

It can be understood that, in the frame of this embodiment, the leg connecting frame component that is arranged at intervals in the front-rear direction of the frame main body with the leg connecting section is added, the leg connecting frame component includes two frame side connecting pieces 2 that extend from two sides of the frame body 1 respectively, the frame side connecting pieces 2 are used for being detachably connected with the movable leg 3 after being folded, when in practical application, the movable leg 3 in the folded state can be connected with the frame side connecting pieces 2 in the running process of the all-terrain crane, so that the movable leg 3 and the leg connecting section 11 are matched with the hinge joint, so that the folded movable leg 3 and the frame can be connected into a whole, the bearing performance of the frame in the whole running state is greatly improved, compared with the existing frame, the structural section and the plate thickness of the frame can be effectively reduced, thereby effectively reducing the weight and the production cost of the frame, and the whole performance of the all-terrain crane can be developed to a larger tonnage.

It should be noted that the specific structure of the leg connecting section 11 of the frame body 1 for hinging with the movable leg 3 is well known to those skilled in the art, and is not a core improvement of the present application, and thus will not be described herein.

For easy understanding, in this embodiment, a specific usage of the frame will be described with reference to fig. 1 to 7, taking an example that the frame is applied to an all-terrain crane:

the frame can include preceding extension section 12, landing leg linkage segment 11 and back extension section 13 that connect gradually from front to back, preceding extension section 12 and back extension section 13 can be equipped with a set of landing leg link assembly respectively, the both sides of preceding extension section 12 are equipped with two frame side connecting pieces 2 respectively, the both sides of back extension section 13 also are equipped with two frame side connecting pieces 2 respectively, the one end of two preceding movable landing legs 3 articulates respectively on landing leg linkage segment 11 and is located the both sides of landing leg linkage segment 11 respectively, in the state of drawing in, two preceding movable landing legs 3 draw in the both sides of preceding extension section 12, and be connected with frame side connecting pieces 2 on the both sides of preceding extension section 12 respectively, the one end of two back movable landing legs 3 articulates respectively on landing leg linkage segment 11 and is located the both sides of landing leg linkage segment 11 respectively, in the state of drawing in, two back movable landing legs 3 and be connected with frame side connecting pieces 2 on the both sides of back extension section 13 respectively.

In one embodiment, referring to fig. 4, the frame-side link 2 is formed with a frame-side hinge hole for detachably hinge-connecting the movable leg 3 after folding, that is, the frame-side link 2 may be hinge-connected with a corresponding hinge hole on the movable leg 3 through a frame-side hinge hole through a hinge shaft, or the frame-side link 2 may be hinge-connected with a corresponding hinge shaft on the movable leg 3 through a frame-side hinge hole to achieve detachable connection with the movable leg 3.

In other embodiments, the frame-side connecting member 2 may also be formed with a screw hole for detachably connecting with the movable leg 3, that is, the frame-side connecting member 2 may be screwed with a corresponding screw hole on the movable leg 3 through the screw hole to achieve detachable connection with the movable leg 3.

Those skilled in the art will appreciate that the present application is not limited to the above-mentioned detachable connection manner, and any other structural form capable of realizing the detachable connection shall fall within the scope of protection of the present application.

In one embodiment, the frame includes a plurality of leg link assemblies, and the plurality of leg link assemblies are arranged at intervals along the front-rear direction of the frame body, so that the frame-side connecting pieces 2 in the plurality of leg link assemblies can be simultaneously connected with the movable legs 3 in practical application, by which the connection strength and stability between the movable legs 3 and the frame body 1 can be further improved.

In one embodiment, referring to fig. 4, 6 and 7, the two frame side connectors 2 are symmetrically arranged relative to the central axis of the frame body 1, so that the stress on two sides of the frame body 1 is balanced, and the bearing performance of the frame can be further improved.

In one embodiment, referring to fig. 4, the leg link assembly further includes a middle link 4, where the middle link 4 spans the frame body 1 and is fixedly connected to the two frame side links 2, respectively, so as to further improve the structural strength of the frame side links 2.

Specifically, the intermediate connecting member 4 may be integrally formed with the two frame-side connecting members 2 and welded to the frame body 1 to have good structural strength.

Of course, in other embodiments, referring to fig. 4, two frame side connectors 2 in the leg link assembly may be welded independently to the frame body 1.

In one embodiment, referring to fig. 4, 6 and 7, the frame further includes a support bracket assembly, which is spaced apart from the leg link 11 in the front-rear direction of the frame body, and includes two support members 5 respectively disposed at bottoms of both sides of the frame body 1, and both of the support members 5 are formed with horizontal support surfaces for supporting the movable legs 3 after being folded.

It can be understood that by adding the supporting member 5 on the frame body 1, the supporting member 5 can play a role in supporting the movable supporting leg 3 in the folded state, so that the bearing performance of the frame to the movable supporting leg 3 can be further improved.

For easy understanding, in this embodiment, a specific usage mode of the frame will be described by taking an example that the frame is applied to an all-terrain crane:

the frame may include a front extension section 12, a leg connecting section 11 and a rear extension section 13 sequentially connected from front to back, where the front extension section 12 and the rear extension section 13 may be respectively provided with a set of support bracket assemblies, that is, two sides of the front extension section 12 are respectively provided with two support members 5, two sides of the rear extension section 13 are also respectively provided with two support members 5, one ends of the two front movable legs 3 are respectively hinged on the leg connecting section 11 and are respectively located at two sides of the leg connecting section 11, in a folded state, the two front movable legs 3 are folded on two sides of the front extension section 12 and respectively support the support members 5 on two sides of the front extension section 12, one ends of the two rear movable legs 3 are respectively hinged on the leg connecting section 11 and are respectively located at two sides of the leg connecting section 11, in a folded state, the two rear movable legs 3 are respectively folded on two sides of the rear extension section 13, and respectively support the support members 5 on two sides of the rear extension section 13.

In one embodiment, referring to fig. 4 and 7, the horizontal supporting surface may be provided with a cushion pad 6, so that the movable leg 3 can be prevented from directly rubbing against the supporting member 5 during the supporting process of the horizontal supporting surface by the cushioning effect of the cushion pad 6.

Specifically, the cushion pad 6 may be a member having a certain elasticity such as a rubber pad, and may be disposed on the horizontal support surface by means of bolting.

In this embodiment, the supporting member 5 may be welded at one end to the frame body 1, and the other end extends horizontally in a direction away from the frame body 1 to form a horizontal supporting surface for supporting the movable leg 3.

In one embodiment, referring to fig. 4 and 6, a groove 7 for supporting the head of the vertical cylinder of the movable leg 3 after being folded may be provided on the horizontal supporting surface, specifically, a pad may be fixedly provided on the horizontal supporting surface, a ring may be fixedly provided on the pad, and the ring and the pad form a circular groove 7.

It will be appreciated that in this embodiment, the recess 7 may be engaged by the head of the vertical cylinder of the movable leg 3 to support and limit the movable leg 3.

In this embodiment, the supporting member 5 may be welded at one end to the frame body 1, and the other end extends obliquely downward in a direction away from the frame body 1 and forms a horizontal supporting surface for supporting the movable leg 3.

In one embodiment, the frame comprises a plurality of support bracket assemblies which are arranged at intervals along the front-rear direction of the frame body, and the support members 5 of the support bracket assemblies can simultaneously support the movable support legs 3 in practical application, so that the bearing performance of the frame can be further improved.

The application also provides an all-terrain crane.

In one embodiment, referring to fig. 1 to 7, the all-terrain crane includes the frame, the movable leg 3, and the leg-side connector 8, wherein one end of the movable leg 3 is hinged to the leg connecting section 11 of the frame body 1, and has a folded state and an unfolded state, and the leg-side connector 8 is disposed inside the movable leg 3 and is detachably connected to the frame-side connector 2 when the movable leg 3 is in the folded state.

The inner side of the movable supporting leg 3, that is, the side facing the frame when the movable supporting leg 3 is in the folded state; in addition, the hinge structure of the movable leg 3 and the leg connecting section 11 of the frame body 1 is well known to those skilled in the art, and is not a core of improvement of the present application, and therefore, will not be described herein.

Further, referring to fig. 5 to 7, the frame-side link 2 is formed with a frame-side hinge hole, and the leg-side link 8 is formed with a leg-side hinge hole, the frame-side hinge hole and the leg-side hinge hole being detachably hinged by a pin.

In practical use, the number and positions of the leg side connecting members 8 are set in one-to-one correspondence with the number and positions of the frame side connecting members 2.

Specifically, the leg side connector 8 may be fixedly connected to the inner side of the movable leg 3 by welding.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (11)

1. A frame, the frame comprising:

the frame body (1) is provided with a support leg connecting section (11) which is used for being hinged with the movable support leg (3);

the support leg connecting frame assembly is arranged at intervals in the front-back direction of the frame body with the support leg connecting sections (11), and comprises two frame side connecting pieces (2) which extend out of two sides of the frame body (1) respectively, and the two frame side connecting pieces (2) are both used for being detachably connected with the movable support legs (3) after being folded.

2. The frame according to claim 1, characterized in that the frame-side connection piece (2) is formed with a frame-side hinge hole for detachably hinging with the movable leg (3) after folding.

3. The frame of claim 1, wherein the frame includes a plurality of the leg link assemblies spaced apart in a front-to-rear direction of the frame body.

4. Frame according to claim 1, characterized in that two of the frame side connections (2) are arranged symmetrically with respect to the centre axis of the frame body (1).

5. The frame according to claim 1, wherein the leg link assembly further comprises an intermediate link (4), the intermediate link (4) straddling the frame body and being fixedly connected to the two frame side links (2), respectively.

6. The frame according to any one of claims 1 to 5, further comprising a support bracket assembly which is spaced apart from the leg link sections (11) in the front-rear direction of the frame body and comprises two supports (5) provided at the bottoms of both sides of the frame body (1), both of the supports (5) being formed with a horizontal support surface for supporting the movable leg (3) after folding.

7. The frame according to claim 6, characterized in that the horizontal support surface is provided with a cushion pad (6).

8. The frame according to claim 6, characterized in that the horizontal bearing surface is provided with a groove (7) for bearing the head of the vertical cylinder of the movable leg (3) after folding.

9. The frame of claim 6, wherein the frame includes a plurality of the support bracket assemblies spaced apart in a front-to-rear direction of the frame body.

10. An all-terrain crane, the all-terrain crane comprising:

the frame according to any one of claims 1 to 9;

the movable supporting leg (3), one end of the movable supporting leg (3) is hinged to the supporting leg connecting section (11) of the frame body (1) and is in a furled state and an unfolded state;

the support leg side connecting piece (8) is arranged on the inner side of the movable support leg (3) and is detachably connected with the frame side connecting piece (2) when the movable support leg (3) is in a folded state.

11. All-terrain crane according to claim 10, characterized in that the frame-side connection piece (2) is formed with a frame-side hinge hole, the leg-side connection piece (8) is formed with a leg-side hinge hole, the frame-side hinge hole and the leg-side hinge hole being detachably hinged by means of a pin.