CN217025134U

CN217025134U - Landing leg dish and hoist

Info

Publication number: CN217025134U
Application number: CN202220203437.5U
Authority: CN
Inventors: 沈蕤; 胡洋; 彭帅
Original assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Current assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-22
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a supporting leg disc and a crane, and relates to the technical field of engineering machinery. The supporting leg disc can be stored quickly without frequently lifting the supporting leg disc, so that the transition efficiency of the crane is improved, the damage to the supporting leg disc caused by frequent disassembly is greatly reduced, and the defects of the prior art can be effectively avoided.

Description

Landing leg dish and hoist

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a supporting leg disc and a crane.

Background

At present, when the super-tonnage all-terrain crane is in a non-working state, the supporting leg disc needs to be detached and transported in a lifting mode, and when the crane works, the supporting leg disc and the supporting legs need to be manually adjusted in relative positions and then installed in place.

However, the above operation has the following disadvantages: 1) when the landing leg plate is in a non-working state, the landing leg plate needs to be disassembled and then transported, the time consumption is long, and if the landing leg plate is heavy, the landing leg plate needs to be lifted; 2) the operation state needs to be reassembled, which is time-consuming, labor-consuming and inconvenient to operate; 3) frequent disassembly and transportation of the landing leg disc can cause damage to the landing leg disc.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the above-described problems.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a landing leg dish, is applied to the hoist, the hoist includes landing leg hydro-cylinder and frame, the bottom of frame is provided with the fixed bolster, the landing leg hydro-cylinder set up in the outside of frame, the landing leg dish includes landing leg dish body and slide rail support, landing leg dish body and slide rail leg joint, the slide rail support is used for hanging and locates the landing leg hydro-cylinder, the slide rail support is suitable for relatively the landing leg hydro-cylinder remove and support in on the fixed bolster.

According to the support leg disc, the fixed support is arranged at the bottom of a frame of a crane, the slide rail support is arranged on a support leg disc body and is used for hanging a support leg oil cylinder of the crane, the telescopic part of the support leg oil cylinder can horizontally slide relative to the slide rail support, the slide rail support hung on the telescopic part of the support leg oil cylinder can be lifted when the telescopic part is contracted, and then the support leg disc body is lifted. This device can be deposited the landing leg dish fast, need not carry out frequent handling to the landing leg dish, promotes hoist machine transition efficiency, greatly reduces the landing leg dish because of frequently dismantling the damage that causes, can avoid prior art's not enough point effectively.

Optionally, the slide rail support includes two opposite side plates, the two side plates are respectively connected to the support leg plate body, one opposite sides of the two side plates are respectively provided with a protruding structure, the support leg cylinder includes a support leg cylinder body and a bearing structure connected to the support leg cylinder body, and the slide rail support is hung on the bearing structure through the protruding structure.

Optionally, this landing leg dish still includes the locating part, the connecting hole has been seted up to the curb plate, locating part demountable installation in the connecting hole, the locating part be suitable for with landing leg hydro-cylinder cooperation is in order to right slide rail bracket carries out horizontal spacing.

Optionally, the support leg tray further includes a bracket slide rail, the bracket slide rail is relatively fixed to the frame and/or the fixing bracket and is located at the bottom of the frame, and the slide rail bracket is adapted to be hung on the bracket slide rail and horizontally move along the bracket slide rail.

Optionally, the slide rail support includes two opposite side plates, the two side plates are respectively connected to the leg plate body, one opposite sides of the two side plates are respectively provided with a protruding structure, the bracket slide rail includes a bracket slide rail body and flange structures disposed on two sides of the bracket slide rail body, and the slide rail support is suitable for being hung on the flange structures through the protruding structures and moving horizontally along the flange structures.

Optionally, a first connecting portion is arranged on the slide rail bracket, a second connecting portion is arranged on the bracket slide rail, and the first connecting portion is suitable for being connected with the second connecting portion.

Optionally, this landing leg dish still includes round pin axle and locking round pin, the round pin axle pass first connecting portion with the second connecting portion with slide rail bracket can dismantle the connection and be in on the bracket slide rail, round pin axle both ends all are provided with the locking round pin.

Optionally, the fixed bracket includes an upper bracket and a lower bracket, the upper bracket is fixed to the frame and located at the bottom of the frame, the lower bracket is connected to the upper bracket, the bracket slide rail is located between the lower bracket and the upper bracket, the lower bracket is adapted to receive the leg plate body, and the slide rail bracket is adapted to move along the bracket slide rail until the leg plate body is supported by the lower bracket.

Optionally, the slide rail bracket includes a handle, and the handle is disposed at an end of the slide rail bracket away from the fixed bracket.

In addition, the utility model also provides a crane, which comprises the support leg disc.

Since the technical improvement of the crane and the technical effects obtained are the same as those of the leg plate, the technical effects of the crane will not be described in detail.

Drawings

FIG. 1 is a front view of a leg plate of an embodiment of the present invention;

FIG. 2 is a side view of a leg plate of an embodiment of the present invention;

FIG. 3 is a top view of a leg plate of an embodiment of the present invention;

FIG. 4 is a schematic view of a first state of a leg plate according to an embodiment of the present invention;

FIG. 5 is a schematic view of a second state of the leg plate according to the embodiment of the present invention;

FIG. 6 is a schematic view of a third state of the leg plate according to the embodiment of the present invention;

fig. 7 is a fourth state diagram of the leg plate according to the embodiment of the present invention.

Description of reference numerals:

1. a leg plate body; 2. a slide rail bracket; 21. a raised structure; 22. connecting holes; 23. a first connection portion; 24. a handle; 25. a side plate; 31. a fixed bracket; 311. an upper bracket; 312. a lower bracket; 32. a carriage slide rail; 321. a second connecting portion; 322. a slide rail body; 323. a flanging structure; 4. a support oil cylinder; 41. a support oil cylinder body; 42. a load bearing structure.

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 terms such as "upper", "lower", "left", "right", and the like in the embodiments indicate orientation words, which are used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that elements, devices, and the like which are referred to must operate according to specific orientations and defined operations and methods, configurations in the specification, and such orientation terms do not constitute limitations of the present invention.

Herein, a coordinate system YZ axis is provided, the Y axis being a horizontal direction and the Z axis being a vertical direction, wherein a forward direction of the Y axis (i.e., an arrow pointing to the Y axis) represents a left direction, a reverse direction of the Y axis (i.e., a direction opposite to the forward direction of the Y axis) represents a right direction, a forward direction of the Z axis (i.e., an arrow pointing to the Z axis) represents an up direction, and a reverse direction of the Z axis (i.e., a direction opposite to the forward direction of the Z axis) represents a down direction.

It should also be noted that the foregoing Y-axis and Z-axis representations are meant only 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 therefore not to be construed as limiting the utility model.

As shown in fig. 1 to 7, the support leg disc according to the embodiment of the present invention is applied to a crane, the crane includes a support leg oil cylinder 4 and a frame, a fixing support 31 is disposed at the bottom of the frame, the support leg oil cylinder 4 is disposed at the outer side of the frame, specifically, the support leg is disposed at the outer side of the frame through a support leg, the support leg disc includes a support leg disc body 1 and a slide rail support 2, the support leg disc body 1 is connected with the slide rail support 2, the slide rail support 2 is used for being hung on the support leg oil cylinder 4, and the slide rail support 2 is adapted to horizontally move relative to the support leg oil cylinder 4 and is supported on the fixing support 31.

In this embodiment, referring to fig. 1 to 3, a fixed bracket 31 is installed at the bottom of a frame of a crane, a slide rail bracket 2 is installed on a leg disc body 1, the slide rail bracket 2 is used for hanging a leg cylinder 4 of the crane, wherein a telescopic portion of the leg cylinder 4 can horizontally slide relative to the slide rail bracket 2, and the telescopic portion of the leg cylinder 4 can lift the slide rail bracket 2 hung thereon when contracting, so as to lift the leg disc body 1, when the crane is in a transition, the leg disc is driven to lift along a positive direction of a Z axis in fig. 1 by contraction of the telescopic portion of the leg cylinder 4, so that the slide rail bracket 2 is slightly higher than the fixed bracket 31, the slide rail bracket 2 is pushed by an external actuator or manually, so that the slide rail bracket 2 moves towards the fixed bracket 31 (i.e. an opposite direction of the Y axis in fig. 1), so as to support the slide rail bracket 2 on the fixed bracket 31 at the bottom of the frame, and then the landing leg plate body 1 is accommodated at the bottom of the frame and is transferred with a crane. This device can be deposited the landing leg dish fast, need not carry out frequent handling to the landing leg dish, promotes the hoist efficiency of changeing, greatly reduces the landing leg dish because of frequently dismantling the damage that causes, can avoid prior art's not enough point effectively.

In the above working process, referring to fig. 4 to 7, fig. 4 to 7 are different state diagrams when the slide rail bracket 2 moves to a direction approaching the fixed bracket 31 (i.e. a direction opposite to the Y axis in fig. 4 to 7), that is, when the slide rail bracket 2 moves to the state of fig. 7, the slide rail bracket 2 moves to a position.

Optionally, the slide rail bracket 2 includes two side plates 25 that are arranged relatively, two the side plates 25 respectively with the landing leg disc body 1 is connected, two one side that the side plate 25 is relative is provided with protruding structure 21 respectively, the landing leg cylinder 4 includes landing leg cylinder body 41 and with bearing structure 42 that landing leg cylinder body 41 is connected, the slide rail bracket 2 passes through protruding structure 21 hangs and locates bearing structure 42.

In this embodiment, as shown in fig. 1 and fig. 2, two side plates 25 are symmetrically disposed along the axis of the leg plate body 1, the two side plates 25 can be fixed on the leg plate body 1 by welding, one sides of the two side plates 25 opposite to each other are respectively provided with the protruding structures 21, the protruding structures 21 can be integrally formed with the side plates 25, or the protruding structures 21 can be fixed on the side plates 25 by welding, the slide rail bracket 2 is hung on the bearing structure 42 through the protruding structures 21, that is, when the leg oil cylinder body 41 is telescopic, under the effect of the protruding structures 21, the leg oil cylinder 4 can drive the slide rail bracket 2 and the leg plate body 1 to move along the Z-axis direction. The bearing structure 42 may be a ball head at the bottom end of the leg cylinder 4, so that no extra structure is required to be additionally arranged on the leg cylinder 4.

Optionally, this landing leg dish still includes the locating part, connecting hole 22 has been seted up to curb plate 25, locating part demountable installation in connecting hole 22, the locating part be suitable for with landing leg cylinder 4 cooperates in order to right slide rail bracket 2 carries out horizontal spacing.

In this embodiment, as shown in fig. 1, two connection holes 22 are formed in the side plate 25, where the connection holes 22 may be pin holes, and the limiting members may be pins, where the pins are detachably mounted on the pin holes, the bearing structure 42 is located between the two pins, and the two pins can horizontally limit the slide rail bracket 2, so as to prevent the slide rail bracket 2 from tilting in the horizontal direction during the ascending or descending process, thereby causing an accident due to falling off. Of course, the connecting hole 22 may also be a threaded hole, and the limiting member may also be a bolt, which only needs to limit the horizontal direction of the slide rail bracket 2.

Optionally, the leg plate further comprises a bracket sliding rail 32, the bracket sliding rail 32 is fixed relative to the frame and/or the fixed bracket 31 and located at the bottom of the frame, and the sliding rail support 2 is adapted to be hung on the bracket sliding rail 32 and horizontally move along the bracket sliding rail 32 until being supported on the fixed bracket 31.

In this embodiment, as shown in fig. 1, the bracket rail 32 may be fixed to the bottom of the crane frame or fixed to the fixing bracket 31 by soldering, when the rail bracket 2 moves toward the bracket rail 32 (i.e., the direction opposite to the Y axis in fig. 1), the rail bracket 2 may be hung on the bracket rail 32, the bracket rail 32 plays a role of supporting the rail bracket 2, the rail bracket 2 can continue to move along the bracket rail 32 until it is supported on the fixing bracket 31, the load of the bracket rail 32 is reduced by the fixing bracket 31, and the bracket rail 32 mainly plays a role of guiding.

Optionally, the slide rail bracket 2 includes two side plates 25 disposed oppositely, the two side plates 25 are respectively connected to the leg plate body 1, one opposite sides of the two side plates 25 are respectively provided with a protruding structure 21, the bracket slide rail 32 includes a bracket slide rail body 322 and a flange structure 323 disposed on two sides of the bracket slide rail body 322, and the slide rail bracket 2 is adapted to be hung on the flange structure 323 through the protruding structure 21 and move horizontally along the flange structure 323.

In this embodiment, referring to fig. 1 and fig. 2, two side plates 25 are symmetrically disposed along the axis of the leg plate body 1, the two side plates 25 can be fixed on the leg plate body 1 by soldering, one opposite sides of the two side plates 25 are respectively provided with a protruding structure 21, wherein the protruding structure 21 can be integrally formed with the side plates 25, or the protruding structure 21 can be fixed on the side plates 25 by soldering, the bracket rail 32 includes a bracket rail body 322 and a flange structure 323 disposed on both sides of the bracket rail body 322, wherein the flange structure 323 and the bracket rail body 322 can be integrally formed, when the crane is transferred, the rail support 2 is driven to rise along the positive direction of the Z axis in fig. 1 by the contraction of the telescopic portion of the leg cylinder 4, and the protruding structure 21 of the rail support 2 is slightly higher than the flange structure 323 of the fixed support 31 by the leg cylinder 4, the slide rail support 2 is pushed by an external actuating mechanism or manually, so that the slide rail support 2 moves towards the direction close to the bracket slide rail 32 (namely, the direction opposite to the Y axis in the attached drawing 1), and the slide rail support 2 can be hung on the flanging structure 323 through the protruding structure 21, so that the support leg plate body 1 is transferred to the bottom of the frame and is transferred along with the crane.

Optionally, a first connecting portion 23 is disposed on the slide rail bracket 2, a second connecting portion 321 is disposed on the carriage slide rail 32, and the first connecting portion 23 is adapted to be connected to the second connecting portion 321.

In this embodiment, as shown in fig. 1, the second connecting portion 321 may be a hole structure, the first connecting portion 23 may be an ear plate structure, wherein the ear plate structure is provided with a hole structure matched with the second connecting portion 321, as shown in fig. 4 to 7, when the slide rail bracket 2 moves from the state shown in fig. 4 to the state shown in fig. 7 in a direction approaching the carriage slide rail 32 (i.e., a direction opposite to the Y-axis in fig. 4 to 7), the first connecting portion 23 and the second connecting portion 321 are on the same axis, the slide rail bracket 2 can be fixed on the carriage slide rail 32 by a connecting member such as a pin or a bolt penetrating the first connecting portion 23 and the second connecting portion 321, the movement of the slide rail bracket 2 can be restricted by fixing the slide rail bracket 2 to the carriage slide rail 32, namely, when the crane swings during the transition, the slide rail bracket 2 fixed on the bracket slide rail 32 can well limit the position of the landing leg plate body 1. Of course, first connecting portion 23 and second connecting portion 321 are not only limited to one, and the both ends of slide rail bracket 2 and bracket slide rail 32 all can set up to strengthen stability, first connecting portion 23 and second connecting portion 321 can be pore structure or otic placode structure, only need satisfy the two fixed can of slide rail bracket 2 and bracket slide rail 32.

Optionally, this landing leg dish still includes round pin axle and locking round pin, the round pin axle pass first connecting portion 23 with second connecting portion 321 in order to incite somebody to action slide rail bracket 2 can dismantle the connection on bracket slide rail 32, round pin axle both ends all are provided with the locking round pin.

In this embodiment, the first connecting portion 23 and the second connecting portion 321 are both pin holes, and the pin shaft can pass through the first connecting portion 23 and the second connecting portion 321 to fix the slide rail bracket 2 on the bracket slide rail 32, and the locking pins are disposed at two ends of the pin shaft to prevent the pin shaft from falling off.

Optionally, the fixing bracket 31 includes an upper bracket 311 and a lower bracket 312, the upper bracket 311 is fixed relative to the vehicle frame and located at the bottom of the vehicle frame, the lower bracket 312 is connected to the upper bracket 311, the bracket slide rail 32 is located between the lower bracket 312 and the upper bracket 311, the lower bracket 312 is adapted to receive the leg tray body 1, and the slide rail bracket 2 is adapted to move along the bracket slide rail 32 until the leg tray body 1 is supported on the lower bracket 312.

In this embodiment, as shown in fig. 1, the upper bracket 311 may be fixed to the bottom of the frame by soldering, and the upper bracket 311 with different sizes may be selected according to actual requirements, so as to adjust the distance between the leg tray body 1 and the bottom of the frame, the bracket slide rail 32 and the lower bracket 312 may be connected to the upper bracket 311 by bolts, after the slide rail support 2 moves to the proper position on the bracket slide rail 32, the leg tray body 1 falls on the lower bracket 312, the weight of the leg tray body 1 is borne by the lower bracket 312, and by providing the lower bracket 312, the acting force between the slide rail support 2 and the bracket slide rail 32 may be reduced, thereby prolonging the service life.

Optionally, the slide rail bracket 2 includes a handle 24, and the handle 24 is disposed at an end of the slide rail bracket 2 away from the fixing bracket 31.

In this embodiment, as shown in fig. 1 or fig. 3, the handle 24 may be fixed to the left end of the slide rail bracket 2 by welding, and the slide rail bracket 2 may be moved by manually pushing or pulling the handle 24.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications are intended to fall within the scope of the utility model.

Claims

1. The utility model provides a landing leg dish, is applied to the hoist, the hoist includes landing leg hydro-cylinder (4) and frame, the bottom of frame is provided with fixed bolster (31), landing leg hydro-cylinder (4) set up in the outside of frame, its characterized in that, the landing leg dish includes landing leg dish body (1) and slide rail support (2), landing leg dish body (1) with slide rail support (2) are connected, slide rail support (2) are used for hanging to be located landing leg hydro-cylinder (4), slide rail support (2) are suitable for relatively landing leg hydro-cylinder (4) remove and support in on fixed bolster (31).

2. The leg plate according to claim 1, characterized in that the slide rail bracket (2) comprises two side plates (25) which are oppositely arranged, the two side plates (25) are respectively connected with the leg plate body (1), one sides of the two side plates (25) which are opposite are respectively provided with a protruding structure (21), the leg cylinder (4) comprises a leg cylinder body (41) and a bearing structure (42) connected with the leg cylinder body (41), and the slide rail bracket (2) is hung on the bearing structure (42) through the protruding structure (21).

3. The leg plate according to claim 2, further comprising a limiting member, wherein the side plate (25) is provided with a connecting hole (22), the limiting member is detachably mounted in the connecting hole (22), and the limiting member is adapted to cooperate with the leg cylinder (4) to horizontally limit the slide rail bracket (2).

4. The leg plate of claim 1, further comprising a bracket slide rail (32), wherein the bracket slide rail (32) is fixed relative to the frame and/or the fixed bracket (31) and is located at the bottom of the frame, and the slide rail bracket (2) is adapted to be hung on the bracket slide rail (32) and horizontally move along the bracket slide rail (32).

5. The leg plate according to claim 4, wherein the slide rail bracket (2) comprises two side plates (25) which are oppositely arranged, the two side plates (25) are respectively connected with the leg plate body (1), one sides of the two side plates (25) which are opposite are respectively provided with a protruding structure (21), the bracket slide rail (32) comprises a bracket slide rail body (322) and flanging structures (323) which are arranged at two sides of the bracket slide rail body (322), and the slide rail bracket (2) is suitable for being hung on the flanging structures (323) through the protruding structures (21) and horizontally moving along the flanging structures (323).

6. The leg tray according to claim 4, characterized in that a first connection portion (23) is provided on the slide rail bracket (2), and a second connection portion (321) is provided on the carriage slide rail (32), the first connection portion (23) being adapted to be connected with the second connection portion (321).

7. The leg plate according to claim 6, further comprising a pin shaft and a locking pin, wherein the pin shaft penetrates through the first connecting portion (23) and the second connecting portion (321) to detachably connect the slide rail bracket (2) to the bracket slide rail (32), and the locking pin is arranged at both ends of the pin shaft.

8. The leg plate according to claim 4, characterized in that the fixed bracket (31) comprises an upper bracket (311) and a lower bracket (312), the upper bracket (311) is fixed relative to the frame and located at the bottom of the frame, the lower bracket (312) is connected to the upper bracket (311), the bracket slide rail (32) is located between the lower bracket (312) and the upper bracket (311), the lower bracket (312) is adapted to receive the leg plate body (1), and the slide rail bracket (2) is adapted to move along the bracket slide rail (32) until the leg plate body (1) is supported on the lower bracket (312).

9. The leg tray according to claim 1, characterized in that the slide rail bracket (2) comprises a handle (24), which handle (24) is arranged at an end of the slide rail bracket (2) remote from the fixing bracket (31).

10. A crane comprising a leg plate as claimed in any one of claims 1 to 9.