CN217023454U

CN217023454U - Auxiliary transfer device

Info

Publication number: CN217023454U
Application number: CN202220196409.5U
Authority: CN
Inventors: 朱传平; 胡洋
Original assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Current assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-22
Anticipated expiration: 2032-01-20

Abstract

The utility model provides an auxiliary transfer device, which is used for engineering machinery, wherein the engineering machinery comprises supporting legs and a balancing weight, the auxiliary transfer device comprises at least two bearing structures, the at least two bearing structures are suitable for bearing the supporting legs together, and a bearing space is formed in an area between the at least two bearing structures and is suitable for bearing the balancing weight. The auxiliary transfer device can support the supporting legs at different positions, and the supporting legs are high in stress stability and not prone to overturning; the region between two at least bearing structure forms the bearing space of this balancing weight, and this supplementary transfer device can be used for transporting the balancing weight alone, transporting the landing leg alone and transporting occasions such as balancing weight and landing leg simultaneously, can use this supplementary transfer device in a flexible way as required, can improve loading space utilization, reduces the transportation degree of difficulty, and the stability and the reliability of transporting are high.

Description

Auxiliary transfer device

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to an auxiliary transfer device.

Background

In engineering machinery such as a crane, in order to ensure the stability of the crane, supporting legs and a balancing weight are often configured, the stress area of the crane is increased through the supporting legs, the pressure is reduced, and the balancing weight requirement for lifting goods is realized through the balancing weight.

The weight of the balancing weight can reach several tons to tens of tons, and the balancing weight and the supporting legs can increase the overall weight of the crane, so that the crane is overweight during transition. Among the correlation technique, when the hoist changes the place, often need dismantle landing leg and hoist, take off the balancing weight, then hoist and mount to delivery vehicle respectively, hoist and mount at the in-process loaded down with trivial details to, because the landing leg generally includes the stand dish and be used for with this body coupling's of hoist connecting seat, the shape is not too regular, topples easily at the in-process of delivery vehicle transportation, security and stability are not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of improving the transportation efficiency and safety of the supporting legs and the balancing weights of the engineering machinery to a certain extent.

In order to solve at least one aspect of the above problems to at least a certain extent, the present invention provides an auxiliary transfer device for a construction machine, where the construction machine includes a support leg and a counterweight, the auxiliary transfer device includes at least two bearing structures, at least two bearing structures are adapted to jointly bear the support leg, and a bearing space is formed in an area between at least two bearing structures and is adapted to bear the counterweight.

Optionally, the vehicle further includes a bottom frame, at least two of the bearing structures are disposed on the bottom frame, and a region between the at least two of the bearing structures on the bottom frame forms the bearing space.

Optionally, at least two of the bearing structures are respectively provided with a first limiting structure, and the first limiting structures are used for limiting and matching with the supporting legs so as to limit the supporting legs;

and a second limiting structure is arranged in an area between the bearing structures on the underframe and is suitable for limiting the displacement of the balancing weight.

Optionally, the first limiting structure includes a first limiting block, and a first limiting block is arranged on at least one of the bearing structures, and the first limiting block is adapted to abut against a side wall of the leg;

and/or, the first limiting structure comprises a plug connector, at least one of the bearing structures is provided with the plug connector, and the plug connector is suitable for being matched with the supporting leg in a plug-in manner.

Optionally, at least one of the bearing structures is configured as a supporting frame, the supporting frame includes a supporting member and a cross bar member extending along a first direction, the first direction and a distribution direction of the bearing structures are set at a preset angle, an upper end and a lower end of the supporting member are respectively connected to the cross bar member and the bottom frame, and the cross bar member is suitable for bearing one or more of the supporting legs.

Optionally, when at least two of the load bearing structures jointly bear the leg, a projection of the leg in a horizontal plane is at least partially outside an area covered by the chassis.

Optionally, one of the bearing structures is configured as a limiting seat, the limiting seat is located at one end of the bottom frame, and the limiting seat is suitable for bearing one end of the support leg.

Optionally, a plug connector is arranged on the limiting seat, and the plug connector is suitable for being matched with the supporting leg in a plug-in manner of being used for being connected with the body of the engineering machine in a plug-in manner of a pin shaft hole.

Optionally, the auxiliary transfer device further comprises a limiting frame, the limiting frame is at least partially located between the support frame and the limiting seat, and an area between the limiting frame and the support frame on the underframe is suitable for bearing the counterweight block;

the limiting frame comprises second vertical rod pieces and connecting pieces, the two second vertical rod pieces are respectively connected with two ends of the underframe along the first direction, and the connecting pieces are respectively connected with the two second vertical rod pieces; the height of the second vertical rod piece is higher than that of the support frame.

Optionally, the auxiliary transfer device further comprises lifting lugs, the supporting frame and the limiting frame are respectively provided with the lifting lugs, or the supporting frame, the limiting frame and the underframe are respectively provided with the lifting lugs.

The auxiliary transfer device can support the supporting legs at different positions through the at least two bearing structures, and the supporting legs are high in stress stability and not prone to overturning; the region between two at least bearing structure forms the bearing space of this balancing weight, and this supplementary transfer device can be used for transporting the balancing weight alone, transports the landing leg alone and transports occasions such as balancing weight and landing leg simultaneously, can use this supplementary transfer device in a flexible way as required to, when transporting balancing weight and landing leg simultaneously, the balancing weight is located the below of landing leg, can reduce supplementary transfer device and the focus of transporting the thing to a certain extent. When engineering machine tool need shift for example need be changeed the hoist, can dismantle the balancing weight that weight is heavier and landing leg from the body of hoist as required to carry out the loading through this supplementary transfer device and transport, can improve loading space utilization, reduce and transport the degree of difficulty, the stability and the reliability of transporting are high, are difficult for toppling.

Drawings

FIG. 1 is a schematic axial side view of an auxiliary transfer device according to an embodiment of the present invention;

FIG. 2 is a front view of an auxiliary transfer device in an embodiment of the present invention;

FIG. 3 is a top view of an auxiliary transfer device in an embodiment of the present invention;

FIG. 4 is a left side view of an auxiliary transfer device in an embodiment of the present invention;

FIG. 5 is a schematic view of a counterweight placed on the auxiliary transfer device according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a supporting leg and a counterweight block of a crane placed on an auxiliary transfer device in an embodiment of the utility model.

Description of reference numerals:

1-underframe, 2-bearing structure, 21-support frame, 211-first limit block, 212-buffer cushion block, 213-support piece, 214-cross rod piece, 22-limit seat, 221-plug piece, 222-seat body, 3-second limit structure, 4-limit frame, 41-second vertical rod piece, 42-connecting piece, 43-diagonal brace, 5-counterweight block, 6-lifting lug, 7-supporting leg, 71-supporting leg plate, 72-connecting seat and 73-column part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the terms "an embodiment," "one embodiment," "some embodiments," "exemplary" and "one embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or embodiment of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

The terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In the drawings, the Z-axis represents the vertical, i.e., up-down, position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents a horizontal direction and is designated as a left-right position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) represents a right side and a negative direction of the X-axis (i.e., a direction opposite to the positive direction of the X-axis) represents a left side; in the drawings, the Y-axis indicates the front-rear position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) indicates the front side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the utility model and to simplify the description, and are not intended to 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 are not to be construed as limiting the utility model.

As shown in fig. 1 to fig. 6, an embodiment of the present invention provides an auxiliary transfer device for a construction machine, where the construction machine includes a support leg and a counterweight, the auxiliary transfer device includes at least two bearing structures 2, the at least two bearing structures 2 are adapted to jointly bear a support leg 7, and a bearing space is formed in an area between the at least two bearing structures 2, and is adapted to bear a counterweight 5.

In the present specification, the engineering machine is a crane, the leg 7 is a movable leg of the crane, the leg 7 includes a column portion 73, a leg plate 71 located at one end of the column portion 73, and a connecting seat 72 located at the other end of the column portion 73 and used for connecting with a body of the crane, a lower end of the connecting seat 72 is lower than a lower end of the column portion 73, and a lower end of the connecting seat 72 is provided with a pin shaft hole as an example to explain the content of the present invention.

It should be noted that the two bearing structures 2 may have the same structure or different structures, and it is sufficient that the support legs 7 can be supported by the two bearing structures 2, the contact portions between the bearing structures 2 and the support legs 7 are different, and the arrangement modes of the bearing structures 2 may also be different, which will be described in detail later.

Illustratively, two bearing structures 2 are distributed along the Y-axis direction in the figure and are respectively used for realizing the support of the supporting foot plate 71 and the connecting seat 72 (this solution is not shown in the figure). As a first usage, the supporting leg 7 can be transported to the auxiliary transferring device by hoisting or the like, and the supporting leg disc 71 and the connecting seat 72 are respectively supported by the two bearing structures 2, and the auxiliary transferring device can be used for transferring the supporting leg 7; as a second use method, the counterweight 5 may be transported to the auxiliary transfer device by hoisting or the like and placed in the bearing space, and the auxiliary transfer device may be used to transfer the support legs 7; as a third usage, the counterweight 5 may be first transported to the auxiliary transportation device by hoisting or the like and placed in the bearing space, and then the supporting leg 7 is transported to the auxiliary transportation device by hoisting or the like, and the auxiliary transportation device may be used to transport the supporting leg 7 and the counterweight 5 at the same time.

According to the auxiliary transfer device, the supporting legs 7 can be supported at different positions through the at least two bearing structures 2, and the supporting legs 7 are high in stress stability and not prone to overturning; the region between two at least bearing structure 2 forms this balancing weight 5's bearing space, and this supplementary transfer device can be used for transporting balancing weight 5 alone, transporting landing leg 7 alone and transporting occasions such as balancing weight 5 and landing leg 7 simultaneously, can use this supplementary transfer device in a flexible way as required to, when transporting balancing weight 5 and landing leg 7 simultaneously, balancing weight 5 is located landing leg 7's below, can reduce the focus of supplementary transfer device and transport thing to a certain extent. When engineering machine tool need shift for example need be changeed the hoist, can dismantle balancing weight 5 and landing leg 7 that weight is heavier from the body of hoist as required to carry out the loading through this supplementary transfer device and transport, can improve loading space utilization, reduce and transport the degree of difficulty, the stability and the reliability of transporting are high, are difficult for toppling.

In an alternative embodiment of the present invention, the auxiliary transfer device further comprises a base frame 1, at least two bearing structures 2 are arranged on the base frame 1, and a bearing space is formed on the base frame 1 in a region between the at least two bearing structures 2.

So, set up this chassis 1, realize bearing the weight of balancing weight 5 through the region between at least two bearing structure 2 on chassis 1, bear simple structure to, chassis 1 can adopt the structure to assemble the formation, can reduce supplementary transfer device's self weight to a certain extent.

In an optional embodiment of the present invention, at least two bearing structures 2 are respectively provided with a first limiting structure, and the first limiting structure is used for limiting and matching with the supporting leg 7 to limit the supporting leg 7;

the area between the bearing structures 2 on the chassis 1 is provided with a second limiting structure 3, and the second limiting structure 3 is suitable for limiting the displacement of the balancing weight 5.

It should be noted that the limiting directions of the two first limiting structures may be different, for example, one first limiting structure is at least used for limiting the displacement of the leg 7 in the X-axis direction, such as the first limiting block 211 described later, and the other first limiting structure is at least used for limiting the displacement of the leg 7 in the Y-axis direction, such as the plug 221 described later.

Second limit structure 3 can include a plurality of second stoppers, and a plurality of second stoppers realize spacing to balancing weight 5 jointly, for example, three second stopper respectively with balancing weight 5 spacing cooperation, three second stopper can be triangular distribution.

So, can realize spacing to landing leg 7 through first limit structure, realize spacing to balancing weight 5 through second limit structure, can avoid landing leg 7 and balancing weight 5's slip in the transportation to a certain extent, stability is high.

As shown in fig. 1, optionally, the first limiting structure includes a first limiting block 211, the at least one carrying structure 2 is provided with the first limiting block 211, and the first limiting block 211 is adapted to abut against a side wall of the leg 7.

Exemplarily, the first limit blocks 211 abut against the side wall of the leg 7 along the X-axis direction, the first limit blocks 211 are disposed in pairs, and the paired first limit blocks 211 abut against the opposite side walls of the leg along the X-axis direction respectively.

Illustratively, the first stopper 211 abuts against a sidewall of the leg 7 along the Y-axis direction, for example, the first stopper 211 is connected to an opposite sidewall of the leg plate 71 along the Y-axis direction (not shown in this embodiment).

Optionally, the first limiting structure includes a plug 221, and the plug 221 is disposed on at least one of the bearing structures 2, and the plug 221 is adapted to be in plug fit with the leg 7.

In some embodiments, the first stopper 211 may be disposed on one of the bearing structures 2 (e.g., the supporting frame 21 described later), and the plug 221 may be disposed on the other bearing structure 2 (e.g., the stopper seat 22 described later), so that the leg 7 may be limited from sliding in a horizontal plane by the plug 221 and the first stopper 211.

Therefore, the limitation of the supporting legs 7 can be realized through the first limiting blocks 211 and/or the plug connectors 221, the structure is simple, and the practicability is high.

As shown in fig. 1 and 3, in an alternative embodiment of the present invention, at least one of the supporting structures 2 is configured as a supporting frame 21, the supporting frame 21 includes a supporting member 213 and a cross member 214 extending along a first direction, the first direction is disposed at a predetermined angle with respect to a distribution direction of the supporting structures 2, upper and lower ends of the supporting member 213 are respectively connected to the cross member 214 and the base frame 1, and the cross member 214 is adapted to support at least one of the supporting legs 7.

As shown in fig. 1 and 6, a cross member 214 extends along the X-axis direction, the cross member 214 can be used to support the column portion 73 of the leg 7, the height from the top surface of the cross member 214 to the base frame 1 can be greater than or equal to the height of a single counterweight 5, and in some cases, a recessed structure can be provided on the base frame 1 to bear the counterweight 5, which will not be described in detail herein.

The supporting member 213 may include a first vertical rod member and an inclined rod member, the first vertical rod member is disposed at two ends of the underframe 1 along the first direction, the upper end of the first vertical rod member is connected to the horizontal rod member 214, the inclined rod member is inclined relative to the horizontal rod member 214, the upper end of the inclined rod member is connected to the middle position of the horizontal rod member 214, and the lower end of the inclined rod member is connected to the connection position of the first vertical rod member and the underframe 1.

As shown in fig. 1, the crossbar member 214 may be provided with a first stopper 211.

In this way, the support frame 21 can be used to form a support for at least one leg 7, and the contact position of the support frame 21 with the leg 7 can correspond to the column part 73 of the leg 7, the bearing structure 2 is not limited to the leg plate 71 of the bearing leg 7, and in some cases, the height of the bearing space can be formed by using the height of the support frame 21, so that the dependency on the structure of the leg 7 can be reduced to some extent, and the applicability of the auxiliary transfer device can be improved.

Under the condition that does not influence placing of balancing weight 5, two bearing structure 2 can all set up to support frame 21, and two support frames 21 distribute along the Y axle direction, and the region between two support frames 21 is used for bearing this balancing weight 5 on chassis 1 (this scheme is not shown in the figure).

As shown in fig. 1, 5 and 6, further, a plurality of first limit blocks 211 are disposed on the crossbar member 214, the plurality of first limit blocks 211 are distributed along the first direction, and at least two sets of paired first limit blocks 211 are formed, and the two paired first limit blocks 211 are respectively used for abutting against opposite side walls of the leg 7.

As shown in fig. 1 and fig. 5, one of the first limiting structures includes four first limiting blocks 211, the four first limiting blocks 211 are distributed along the X-axis direction, two first limiting blocks 211 located in the X-axis positive direction are respectively abutted to two opposite side walls of the first supporting leg 7, and the other two first limiting blocks 211 are respectively abutted to two opposite side walls of the second supporting leg 7. The structures of the first stoppers 211 may be the same or different, and will not be described in detail here.

So, can realize spacing to landing leg 7 through the first stopper 211 of mating and landing leg 7 along the lateral wall butt of first direction, a support frame 21 can be used for bearing the weight of two landing legs 7 simultaneously, and space utilization is high.

In the above-described embodiment, as shown in fig. 6, when at least two load bearing structures 2 jointly bear a leg 7, the projection of the leg 7 in the horizontal plane is at least partially outside the area covered by the base frame 1.

For example, the foot plate 71 or the connection socket 72 of the leg 7 has a projection in the horizontal plane outside the area covered by the chassis 1.

In this way, on the basis of using the support frame 21 to form a support for the leg 7, when the auxiliary transfer device is used for transferring the leg 7, the leg plate 71 and/or the connecting seat 72 of the leg 7 can be located outside the auxiliary transfer device; thereby can reduce the occupied space of this supplementary transfer device when not transporting landing leg 7 to a certain extent, can reduce the size of this supplementary transfer device's chassis 1, be convenient for this supplementary transfer device itself store and transport.

As shown in fig. 5, a cushion block 212 may be further disposed on the supporting frame 21. The cushion block 212 is in contact with the bottom wall of the column portion 73 of the leg 7, and the cushion block 212 may be made of nylon or rubber. Therefore, the supporting legs 7 can be buffered, and the problems that damage is possibly caused by hard contact, the service life is influenced and the like are solved. Similarly, the side of the first stopper 211 close to the leg 7 may also be provided with a cushion block 212.

As shown in fig. 1 and fig. 6, in the above embodiment, optionally, one of the bearing structures 2 is provided as a limiting seat 22, and the limiting seat 22 is located at one end of the underframe 1; the spacing block 22 is adapted to carry one end of the leg 7.

For example, the spacing block 22 is adapted to carry the leg plate 71, or the spacing block 22 is adapted to carry the connecting block 72 described above.

Exemplarily, one carrying structure 2 is provided as the above-described support frame 21, and one carrying structure 2 is provided as the stopper seat 22.

So, can realize bearing the weight of the one end of landing leg 7 through spacing seat 22, for example realize the support to landing leg dish 71 or connecting seat 72, can utilize the height of landing leg dish 71 or connecting seat 72 to a certain extent, can form the accommodation space of balancing weight 5 between landing leg 7 and chassis 1, need not to form the accommodation space of this balancing weight 5 jointly through a plurality of support frames 21, simple structure, the practicality is strong.

Furthermore, a plug connector 221 is arranged on the limiting seat 22, and the plug connector 221 is suitable for being in plug fit with a pin shaft hole in the supporting leg 7 for being connected with the body of the engineering machine.

The bolt hole is exemplarily used for being connected with the body of the crane through a pin, for example, the leg 7 can rotate around the pin, and the leg 7 can be extended and retracted and supported on the ground.

As shown in fig. 5, the plug 221 is not limited, for example, the limiting seat 22 includes a seat body 222, the seat body 222 is connected to the chassis 1, the plug 221 is disposed on the seat body 222, the plug 221 may be a cylinder, or may be a pipe, and the cylinder or the pipe is welded to the seat body 222.

So, both can realize the support to landing leg 7 one end, can also utilize plug connector 221 to realize landing leg 7 in the spacing of at least one orientation, simple structure, the practicality is strong, for example, can realize spacing landing leg 7 in X axle direction and Y axle direction at the first stopper 211 of cooperation.

As shown in fig. 1, 5 and 6, optionally, when the auxiliary transfer device includes the above-mentioned support frame 21 and limiting seat 22, the auxiliary transfer device further includes a limiting frame 4, the limiting frame 4 is at least partially located between the support frame 21 and the limiting seat 22, and an area between the limiting frame 4 and the support frame 21 on the chassis 1 is suitable for bearing the counterweight 5.

Support frame 21 and spacing 4 distribute along the Y axle direction, when balancing weight 5 placed in chassis 1 on support frame 21 and spacing 4 between regional, can keep apart this balancing weight 5 and this landing leg 7 in the Y axle direction to a certain extent, avoid the collision of balancing weight 5 and landing leg 7.

Further, the limiting frame 4 includes second vertical rod members 41 and a connecting member 42, the two second vertical rod members 41 are respectively connected with two ends of the underframe 1 along a first direction (i.e. the X-axis direction), and the first direction is perpendicular to the distribution direction of the supporting frame 21 and the limiting seat 22;

the connecting members 42 are respectively connected with two second vertical rod members 41, the height of the second vertical rod members 41 is higher than that of the support frame 21, in this case, the height of the connecting members 42 can be lower than that of the support frame 21, and the inclined struts 43 are respectively connected with the second vertical rod members 41 and the underframe 1.

The height may be a positioning reference with respect to the top surface of the chassis 1. The height of the second stile members 41 can be close to the height of the legs 7 after the auxiliary conveyor. The diagonal brace 43 may be provided in plural, for example, in the Y-axis direction, and the diagonal brace 43 is provided on both sides of each second vertical bar member 41.

So, connecting piece 42 can form the protection to balancing weight 5 to a certain extent, can avoid the collision of balancing weight 5 and landing leg 7 to a certain extent, and two second vertical rod pieces 41 can also form the protection to landing leg 7 to a certain extent in the first direction, and bracing 43 can improve the second vertical rod piece 41 and chassis 1's the steadiness of being connected, and under some circumstances, bracing 43 can also form the backstop to balancing weight 5 or landing leg 7 in the first direction.

In the above embodiment, the support frame 21 may also be provided with the inclined strut 43, which will not be described in detail herein.

In the above embodiment, the auxiliary transfer device further comprises lifting lugs 6.

Illustratively, lifting lugs 6 are respectively arranged on the supporting frame 21 and the limiting frame 4, or the lifting lugs 6 are respectively arranged on the supporting frame 21, the limiting frame 4 and the underframe 1.

As shown in fig. 1, the support frame 21 is provided with lifting lugs 6 at two ends and a middle position along the first direction, the lifting lugs 6 are provided at an upper end and a middle position of each second vertical rod 41, and the lifting lugs 6 at each position may be the same or different.

So, be convenient for tie up wearing to establish of rope to the realization is binded landing leg 7 and balancing weight 5 ground, and/or, is convenient for realize the whole handling to supplementary transfer device and transportation parts (landing leg 7 and balancing weight 5).

It should be noted that the chassis 1 may be formed by assembling and welding a plurality of rod members, a support plate may be disposed at the second limiting block to strengthen the support of the second limiting block, and a connecting rod member may be disposed in the circumferential direction of the support plate to strengthen the connection stability.

The second limiting block can be provided with positioning surfaces, and the positioning surfaces of at least two positioning blocks are arranged in a relatively inclined mode. The locating surface may comprise a ramped surface, which will not be described in detail herein.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. An auxiliary transfer device for a construction machine, the construction machine comprising support legs (7) and a counterweight (5), characterized by comprising at least two load-bearing structures (2), at least two of the load-bearing structures (2) being adapted to jointly bear the support legs (7), an area between at least two of the load-bearing structures (2) forming a bearing space adapted to bear the counterweight (5).

2. The auxiliary transfer device according to claim 1, further comprising a chassis (1), at least two of the carrying structures (2) being arranged to the chassis (1), the area between at least two of the carrying structures (2) on the chassis (1) forming the carrying space.

3. The auxiliary transfer device according to claim 2, wherein at least two of the carrying structures (2) are respectively provided with a first limiting structure, and the first limiting structures are used for limiting and matching with the supporting legs (7) to limit the supporting legs (7);

the area between the bearing structures (2) on the underframe (1) is provided with a second limiting structure (3), and the second limiting structure (3) is suitable for limiting the displacement of the balancing weight (5).

4. The auxiliary transfer device according to claim 3, wherein the first stop structure comprises a first stop block (211), a first stop block (211) is arranged on at least one of the carrying structures (2), and the first stop block (211) is adapted to abut against a side wall of the leg (7);

and/or, first limit structure includes plug connector (221), at least one be provided with on bearing structure (2) plug connector (221), plug connector (221) be suitable for with landing leg (7) grafting cooperation.

5. Auxiliary transfer device according to any of claims 2-4, wherein at least one of the carrying structures (2) is provided as a support frame (21), the support frame (21) comprising a support member (213) and a crossbar member (214) extending in a first direction, the first direction being arranged at a predetermined angle to the direction of distribution of the carrying structures (2), the support member (213) being connected at its upper and lower ends to the crossbar member (214) and to the undercarriage (1), respectively, the crossbar member (214) being adapted to carry one or more of the legs (7).

6. Auxiliary transfer device according to any of claims 2-4, characterized in that the projections of the legs (7) in the horizontal plane are at least partly outside the area covered by the chassis (1) when at least two of the carrying structures (2) carry the legs (7) together.

7. Auxiliary transfer device according to claim 5, wherein one of the carrying structures (2) is provided as a restraining seat (22), the restraining seat (22) being located at one end of the chassis (1), the restraining seat (22) being adapted to carry one end of the leg (7).

8. Auxiliary transfer device according to claim 7, wherein a plug (221) is provided on the limit seat (22), the plug (221) is adapted to be in plug fit with a pin hole of the leg (7) for connecting with the body of the construction machine.

9. The auxiliary transfer device of claim 7, further comprising a limiting frame (4), wherein the limiting frame (4) is at least partially located between the support frame (21) and the limiting seat (22), and a region between the limiting frame (4) and the support frame (21) on the chassis (1) is adapted to carry the counterweight (5);

the limiting frame (4) comprises second vertical rod pieces (41) and connecting pieces (42), the two second vertical rod pieces (41) are respectively connected with two ends of the underframe (1) along the first direction, and the connecting pieces (42) are respectively connected with the two second vertical rod pieces (41); the height of the second vertical rod piece (41) is higher than that of the support frame (21).

10. The auxiliary transfer device of claim 9, further comprising lifting lugs (6), wherein the lifting lugs (6) are respectively arranged on the support frame (21) and the limiting frame (4), or the lifting lugs (6) are respectively arranged on the support frame (21), the limiting frame (4) and the underframe (1).