CN219341468U

CN219341468U - Lifting chassis supporting structure capable of supporting on non-plane

Info

Publication number: CN219341468U
Application number: CN202320607449.9U
Authority: CN
Inventors: 李恒胜
Original assignee: Xinxiang Hengsheng Lifting Machinery Co ltd
Current assignee: Xinxiang Hengsheng Lifting Machinery Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-14
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a lifting chassis supporting structure capable of supporting on a non-plane, which comprises a hydraulic telescopic column, an angle adjusting unit and a driving assembly, wherein the hydraulic telescopic column is arranged on the lifting chassis supporting structure; hydraulic telescopic column: the hydraulic telescopic column is fixedly connected to the lower surface of the chassis, an oil inlet of the hydraulic telescopic column is communicated with an oil outlet of an external oil cylinder, an oil outlet of the hydraulic telescopic column is communicated with an oil return port of the external oil cylinder, and a rotating shaft is rotationally connected inside the lower end of a telescopic rod of the hydraulic telescopic column; an angle adjusting unit: the bottom end of the angle adjusting unit is provided with a supporting component; and a driving assembly: the telescopic rod lower extreme that sets up in the hydraulic telescoping column, drive assembly and the extrados fixed connection of pivot, angle adjusting unit include fan-shaped dish, connecting plate, locking subassembly and jack, and fan-shaped dish sets up in the bottom of pivot, should be at the jack-up chassis bearing structure of non-planar support, structural design is novel, and angle adjusting range is big, adaptable various non-planar ground's support, has improved application scope.

Description

Lifting chassis supporting structure capable of supporting on non-plane

Technical Field

The utility model relates to the technical field of cranes, in particular to a crane chassis supporting structure capable of supporting on a non-plane.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The tyre crane also called as crane is mainly characterized in that: the travelling cab and the lifting control room are integrated and evolved by the crawler crane (crawler crane), the crawler and the travelling support of the travelling mechanism are changed into a chassis with tires, the defect that the crawler plate of the crawler crane (crawler crane) damages the road surface is overcome, and the travelling mechanism belongs to material handling machinery. The lifting equipment has the working characteristics that the lifting equipment performs intermittent motion, namely corresponding mechanisms of taking, moving, unloading and other actions in one working cycle work alternately, the lifting is developed and used more and more widely in the market, currently, the existing crane mainly comprises a tire type supporting chassis and mainly comprises a tire and a hydraulic support leg, the hydraulic support leg firstly can reduce the pressure brought by a heavy object and secondly can reduce the pressure born by the tire so as to prevent overload tire burst, but most of the existing crane chassis can only be supported on a flat bottom surface, if the existing crane chassis is supported on an uneven bottom surface, the hydraulic support leg is likely to be inclined due to uneven stress, and a side-turning crane is caused.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides a lifting chassis supporting structure capable of supporting on a non-plane, has novel structural design and large angle adjusting range, can adapt to the supporting of various non-plane floors, improves the application range and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lifting chassis supporting structure capable of supporting on a non-plane comprises a hydraulic telescopic column, an angle adjusting unit and a driving assembly;

hydraulic telescopic column: the hydraulic telescopic column is fixedly connected to the lower surface of the chassis, an oil inlet of the hydraulic telescopic column is communicated with an oil outlet of an external oil cylinder, an oil outlet of the hydraulic telescopic column is communicated with an oil return port of the external oil cylinder, and a rotating shaft is rotationally connected inside the lower end of a telescopic rod of the hydraulic telescopic column;

an angle adjusting unit: the bottom end of the angle adjusting unit is provided with a supporting component;

and a driving assembly: the telescopic rod is arranged at the lower end of the telescopic rod of the hydraulic telescopic column, the driving assembly is fixedly connected with the outer cambered surface of the rotating shaft, the structural design is novel, the angle adjusting range is large, the telescopic rod can adapt to the support of various non-planar floors, and the application range is improved.

Further, angle adjustment unit includes fan-shaped dish, connecting plate, locking subassembly and jack, fan-shaped dish sets up in the bottom of pivot, the spout that the connecting plate inner wall set up and the lower extreme surface sliding connection of fan-shaped dish, fan-shaped dish and the inside equal array of connecting plate are equipped with the jack, fan-shaped dish and connecting plate pass through locking subassembly fixed connection, and the lower surface of connecting plate is equipped with supporting component, adjusts supporting component's inclination, adapts to the ground of different environment.

Further, the locking subassembly includes recess board and inserted column, the inserted column has two and equal sliding connection in the recess inner wall that the recess board left surface set up, the inserted column is pegged graft respectively inside the jack of fan-shaped dish and connecting plate, and the equal threaded connection in left end of inserted column has the nut, and the right flank of nut is laminated with the left surface of connecting plate, carries out spacing fixedly to the connecting plate after the angle regulation is accomplished.

Further, the supporting component comprises a supporting plate, connecting strips and dovetail strips, the supporting plate is arranged on the lower surface of the connecting plate, the dovetail grooves are formed in the array of the lower surface of the supporting plate, the connecting strips are distributed in two and in parallel, the dovetail strips are arranged on the opposite inner sides of the two connecting strips in an array mode, the dovetail strips are respectively connected with the dovetail grooves of the supporting plate in a sliding mode, the dovetail strips on the left side and the right side are arranged at intervals, the contact range with the ground is adjusted, and the pressure intensity to the ground is reduced.

Further, the middle part of the upper surface of the connecting strip is provided with a handle, so that the connecting strip can be pulled to move manually.

Further, the drive assembly includes fixed case, worm wheel and worm, fixed case sets up in the telescopic link lower extreme of hydraulic telescoping column, the worm wheel sets up in the middle part extrados of pivot, the worm rotates and connects in the left and right sides wall front end of fixed case, and the worm is connected with the worm wheel meshing, and the drive pivot is rotatory, adapts to different inclination's ground, has the locking effect simultaneously, avoids pivot autogiration.

Furthermore, the right end of the worm is provided with a hand wheel, so that the worm is convenient to rotate manually.

Compared with the prior art, the utility model has the beneficial effects that: the lifting chassis supporting structure capable of being supported on a non-plane has the following advantages:

the hydraulic telescopic column is fixedly connected to four corners of the lower surface of the chassis respectively, when the hydraulic telescopic column is used, the hand wheel is manually rotated, the hand wheel drives the worm to rotate, the worm drives the rotating shaft to rotate through engagement with the worm wheel, the rotating shaft drives the fan-shaped disc to rotate, the fan-shaped disc is matched with a plane where a ground supporting part is located, the rotating nut enables the fan-shaped disc to be separated from the inserted column, then the inserted column is pulled out through the groove plate, the inclination angle of the supporting plate is adjusted to enable the inclination angle of the supporting plate to be consistent with that of the ground supporting part, the position of the inserted column in the groove plate is adjusted, then the inserted column is inserted into insertion holes corresponding to the fan-shaped disc and the connecting plate again, two handles are pulled to one side far away from the supporting plate respectively, the handles move the dovetail strips through the connecting strips to move left and right, the contact range with the ground is enlarged, the pressure to the ground is reduced, the inserted column is locked through the nut, the telescopic rod of the hydraulic telescopic column is controlled to extend downwards to enable the supporting plate to contact the ground, and the chassis is supported.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic left-view structure of the present utility model.

In the figure: 1 chassis, 2 hydraulic telescopic columns, 3 rotating shafts, 4 angle adjusting units, 41 fan-shaped discs, 42 connecting plates, 43 locking components, 431 groove plates, 432 inserting columns, 44 inserting holes, 5 hand wheels, 6 handles, 7 driving components, 71 fixing boxes, 72 worm wheels, 73 worms, 8 supporting components, 81 supporting plates, 82 connecting strips, 83 dovetail strips and 9 nuts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: a lifting chassis supporting structure capable of supporting on a non-plane comprises a hydraulic telescopic column 2, an angle adjusting unit 4 and a driving assembly 7;

hydraulic telescopic column 2: the hydraulic telescopic column is fixedly connected to the lower surface of the chassis 1, an oil inlet of the hydraulic telescopic column 2 is communicated with an oil outlet of an external oil cylinder, an oil outlet of the hydraulic telescopic column 2 is communicated with an oil return port of the external oil cylinder, and a rotating shaft 3 is rotationally connected inside the lower end of a telescopic rod of the hydraulic telescopic column 2;

angle adjusting unit 4: the angle adjusting unit 4 comprises a fan-shaped disc 41, a connecting plate 42, a locking component 43 and an inserting hole 44, wherein the fan-shaped disc 41 is arranged at the bottom end of the rotating shaft 3, a sliding groove arranged on the inner wall of the connecting plate 42 is slidably connected with the outer surface of the lower end of the fan-shaped disc 41, inserting holes 44 are arranged in the fan-shaped disc 41 and the connecting plate 42 in an array mode, the fan-shaped disc 41 and the connecting plate 42 are fixedly connected through the locking component 43, the supporting component 8 is arranged on the lower surface of the connecting plate 42, the inclination angle of the supporting component 8 is adjusted, the angle adjusting unit is suitable for the ground in different environments, the locking component 43 comprises a groove plate 431 and inserting columns 432, the inserting columns 432 are provided with two groove inner walls which are slidably connected with the left side surfaces of the groove plate 431, the inserting columns 432 are respectively inserted into the inserting holes 44 of the fan-shaped disc 41 and the connecting plate 42, the left ends of the inserting columns 432 are respectively connected with nuts 9 in a threaded mode, the right side of the nut 9 is attached to the left side of the connecting plate 42, the connecting plate 42 after the adjustment of the angle is completed is limited and fixed, the nut 9 is rotated to separate the connecting plate from the inserting posts 432, then the inserting posts 432 are pulled out through the groove plates 431, the inclination angle of the supporting plate 81 is adjusted to be consistent with the inclination angle of the ground supporting part, the positions of the inserting posts 432 in the groove plates 431 are adjusted, then the inserting posts 432 are inserted into the corresponding inserting holes 44 of the fan-shaped disc 41 and the connecting plate 42 again, the supporting assembly 8 comprises the supporting plate 81, the connecting strips 82 and the dovetail strips 83, the supporting plate 81 is arranged on the lower surface of the connecting plate 42, the lower surface of the supporting plate 81 is provided with two dovetail grooves in an array, the connecting strips 82 are distributed in parallel, the two dovetail strips 83 are arranged on the opposite inner sides of the two connecting strips 82 in an array, the dovetail strips 83 are respectively connected with the dovetail grooves of the supporting plate 81 in a sliding manner, the dovetail strips 83 on the left side and the right side are arranged at intervals, adjust the contact range with ground, reduce the pressure to ground, the upper surface middle part of connecting rod 82 all is equipped with handle 6, make things convenient for manual pulling connecting rod 82 to remove, two handles 6 of pulling to the one side of keeping away from backup pad 81 respectively, handle 6 drives forked tail strip 83 through connecting rod 82 and moves about, increase the contact range with ground, reduce the pressure to ground, lock inserted column 432 through nut 9, the telescopic link through the hydro-cylinder control hydraulic telescoping column 2 of hoist extends downwards and makes backup pad 81 contact ground, thereby support chassis 1.

Drive assembly 7: the telescopic rod lower extreme that sets up in hydraulic telescoping column 2, drive assembly 7 and pivot 3's extrados fixed connection, drive assembly 7 includes fixed box 71, worm wheel 72 and worm 73, fixed box 71 sets up in hydraulic telescoping column 2's telescopic rod lower extreme, worm wheel 72 sets up in pivot 3's middle part extrados, worm 73 rotates to be connected in fixed box 71's left and right sides wall front end, worm 73 and worm wheel 72 meshing are connected, worm 73 drives pivot 3 through being connected with worm wheel 72 meshing, pivot 3 drives fan-shaped dish 41 and rotates, make fan-shaped dish 41 and the plane cooperation of ground supporting part place, adapt to different inclination's ground has the locking effect simultaneously, avoid pivot 3 autogiration, worm 73's right-hand member is equipped with hand wheel 5, it is convenient to rotate manually.

The utility model provides a lifting chassis supporting structure capable of supporting on a non-plane, which has the following working principle:

when the hydraulic telescopic column 2 is used, the hand wheel 5 is manually rotated, the hand wheel 5 drives the worm 73 to rotate, the worm 73 drives the rotating shaft 3 to rotate through meshed connection with the worm wheel 72, the rotating shaft 3 drives the fan-shaped disc 41 to rotate, the fan-shaped disc 41 is matched with a plane where a ground supporting part is located, the nut 9 is rotated to separate from the inserting column 432, then the inserting column 432 is pulled out through the groove plate 431, the inclination angle of the supporting plate 81 is adjusted to be consistent with that of the ground supporting part, the position of the inserting column 432 in the groove plate 431 is adjusted, then the inserting column 432 is inserted into the insertion holes 44 corresponding to the fan-shaped disc 41 and the connecting plate 42 again, two handles 6 are pulled to one side far away from the supporting plate 81 respectively, the handles 6 drive the dovetail strips 83 to move left and right through the connecting strips 82, the contact range with the ground is enlarged, the pressure to the ground is reduced, the inserting column 432 is locked through the nut 9, the telescopic rod of the hydraulic telescopic column 2 is controlled to extend downwards through the cylinder of the crane, the supporting plate 81 is enabled to contact the ground, and the chassis 1 is supported.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. A lifting chassis support structure supportable on a non-planar surface, characterized by: comprises a hydraulic telescopic column (2), an angle adjusting unit (4) and a driving assembly (7);

hydraulic telescopic column (2): the hydraulic telescopic column is fixedly connected to the lower surface of the chassis (1), an oil inlet of the hydraulic telescopic column (2) is communicated with an oil outlet of an external oil cylinder, an oil outlet of the hydraulic telescopic column (2) is communicated with an oil return port of the external oil cylinder, and a rotating shaft (3) is rotatably connected inside the lower end of a telescopic rod of the hydraulic telescopic column (2);

an angle adjustment unit (4): the bottom end of the angle adjusting unit (4) is provided with a supporting component (8);

drive assembly (7): the driving assembly (7) is fixedly connected with the outer cambered surface of the rotating shaft (3).

2. A non-planar supportable lifting chassis support structure as claimed in claim 1 wherein: the angle adjusting unit (4) comprises a fan-shaped disc (41), a connecting plate (42), a locking assembly (43) and a jack (44), wherein the fan-shaped disc (41) is arranged at the bottom end of the rotating shaft (3), a sliding groove arranged on the inner wall of the connecting plate (42) is slidably connected with the outer surface of the lower end of the fan-shaped disc (41), jacks (44) are arranged in the fan-shaped disc (41) and the connecting plate (42) in an array mode, the fan-shaped disc (41) and the connecting plate (42) are fixedly connected through the locking assembly (43), and a supporting assembly (8) is arranged on the lower surface of the connecting plate (42).

3. A non-planar supportable lifting chassis support structure as claimed in claim 2 wherein: the locking assembly (43) comprises a groove plate (431) and a plug column (432), the plug column (432) is provided with two groove inner walls which are connected with the left side face of the groove plate (431) in a sliding mode, the plug column (432) is inserted into insertion holes (44) of the fan-shaped disc (41) and the connecting plate (42) respectively, the left end of the plug column (432) is connected with a nut (9) in a threaded mode, and the right side face of the nut (9) is attached to the left side face of the connecting plate (42).

4. A non-planar supportable lifting chassis support structure as claimed in claim 2 wherein: the support assembly (8) comprises a support plate (81), connecting strips (82) and dovetail strips (83), wherein the support plate (81) is arranged on the lower surface of the connecting plate (42), the dovetail grooves are formed in the lower surface of the support plate (81) in an array mode, the connecting strips (82) are distributed in two and in parallel, the dovetail strips (83) are arranged on the opposite inner side faces of the two connecting strips (82) in an array mode, the dovetail strips (83) are respectively connected with the dovetail grooves of the support plate (81) in a sliding mode, and the dovetail strips (83) on the left side and the right side are arranged at intervals.

5. A non-planar supportable lifting chassis support structure as claimed in claim 4 wherein: the middle part of the upper surface of the connecting strip (82) is provided with a handle (6).

6. A non-planar supportable lifting chassis support structure as claimed in claim 1 wherein: the driving assembly (7) comprises a fixed box (71), worm wheels (72) and a worm (73), wherein the fixed box (71) is arranged at the lower end of a telescopic rod of the hydraulic telescopic column (2), the worm wheels (72) are arranged on the middle extrados surface of the rotating shaft (3), the worm (73) is rotationally connected to the front ends of the left side wall and the right side wall of the fixed box (71), and the worm (73) is meshed with the worm wheels (72).

7. A non-planar supportable lifting chassis support structure as claimed in claim 6 wherein: the right end of the worm (73) is provided with a hand wheel (5).