CN202829505U

CN202829505U - Adjustment device for hydraulic aerial engineering cage and thereof platform

Info

Publication number: CN202829505U
Application number: CN201220431561.3U
Authority: CN
Inventors: 方铀铀; 石鹏飞; 方媛
Original assignee: Beijing Sany Heavy Machinery Co Ltd
Current assignee: Beijing Sany Heavy Machinery Co Ltd
Priority date: 2012-08-28
Filing date: 2012-08-28
Publication date: 2013-03-27
Anticipated expiration: 2022-08-28

Abstract

The utility model discloses an adjustment device for hydraulic aerial engineering cage and platform. The platform is connected with a supporting component. The adjustment device for hydraulic aerial platform comprises a back surface which is connected to the platform in a hinge mode, and no less than one leveling institutions. Each leveling institution has one end connected with the undersurface of the platform and the other end is connected with brackets. The leveling institution is used for adjusting the angle between the platform and the bracket. The adjustment device for hydraulic aerial platform has the advantage of leveling the horizontal direction of the platform, ensuring the levelness of the platform and bringing convenience to the staff.

Description

Aerial work engineering vehicle and platform adjusting device thereof

Technical Field

The utility model relates to an engineering machine tool field, in particular to high altitude construction engineering vehicle and platform adjusting device thereof.

Background

At present, a platform of an aerial work engineering vehicle is generally provided with two leveling mechanisms which can level the platform in the vertical direction and the front-back direction. However, since the aerial work platform is generally supported in the air by a longer arm support, and the arm support is generally heavy, the arm support is easy to bend during the work process; in addition, the multiple sections of arm supports cannot be on the same axial line with the platform, so that unbalance loading can be caused, the arm supports are bent laterally, and the platform is inclined in the horizontal direction. Further, since the change in load, the unevenness in load, the change in the direction of wind force, and the like also cause the inclination of the platform in the horizontal direction, there is a need for an adjusting device capable of leveling the horizontal direction of the platform.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an aerial working platform adjusting device to solve the problem that current platform can not carry out the leveling to the horizontal direction. The utility model also provides an aerial working engineering vehicle who installs above-mentioned platform adjusting device.

In one aspect, the utility model provides an aerial work platform adjusting device, wherein the platform is connected with a supporting component; the adjusting device comprises: the bracket is hinged to the bottom surface of the platform; one end of each horizontal adjusting mechanism is connected to the bottom surface of the platform, and the other end of each horizontal adjusting mechanism is connected to the support; the horizontal adjusting mechanism is used for adjusting the angle between the platform and the support.

Further, in the above-described adjusting apparatus, the horizontal adjusting mechanism includes: a first adjusting rod and a first nut; the first end of the first adjusting rod is hinged with the bottom surface of the platform, and the second end of the first adjusting rod is provided with threads; the bracket is provided with a first pin shaft connecting seat and a first pin shaft which is rotatably connected with the first pin shaft connecting seat; and a connecting hole is formed in the first pin shaft, and the second end of the first adjusting rod is connected with the connecting hole through the first nut.

Further, in the above-described adjusting apparatus, the horizontal adjusting mechanism includes: and one end of the third oil cylinder is hinged with the platform, and the other end of the third oil cylinder is hinged with the bracket.

Further, in the above-described adjusting apparatus, the horizontal adjusting mechanism includes: one end of the cantilever is fixedly connected with the bracket; and one end of the second bolt is connected with the bottom surface of the platform, and the other end of the second bolt is connected with the cantilever through a second nut.

Further, the adjusting device also comprises a second oil cylinder; the support assembly comprises a connecting arm; the bracket is rotatably connected with the second end of the connecting arm through a fourth pin shaft; one end of the second oil cylinder is hinged with the connecting arm, and the other end of the second oil cylinder is hinged with the bracket; and the axis of the fourth pin shaft is vertical to the bottom surface of the platform.

Further, the adjusting device also comprises a first oil cylinder; the support assembly further comprises a crank arm; the first end of the connecting arm is rotatably connected with the crank arm through a third pin shaft; the third pin shaft and the fourth pin shaft are arranged perpendicularly to each other; one end of the first oil cylinder is hinged to the crank arm, the other end of the first oil cylinder is hinged to the connecting arm, and the first oil cylinder is used for driving the connecting arm to rotate around the third pin shaft.

Furthermore, in the adjusting device, two opposite side surfaces of the bracket are respectively provided with a connecting shaft which is respectively in running fit with a connecting lug arranged on the bottom surface of the platform; and the connecting line of the two connecting shafts and the fourth pin shaft are arranged perpendicularly to each other.

Furthermore, in the adjusting device, two opposite side surfaces of the bracket are respectively provided with a connecting lug which is respectively in running fit with a connecting shaft arranged on the bottom surface of the platform; and the connecting line of the two connecting shafts and the fourth pin shaft are arranged perpendicularly to each other.

The utility model provides an aerial working platform adjusting device can carry out the leveling to the horizontal direction of platform, has guaranteed the levelness of platform, makes things convenient for the staff operation.

On the other hand, the utility model also provides an aerial working engineering vehicle, including the automobile body, connect in the cantilever crane of automobile body and connect in the aerial working platform of cantilever crane, the platform is provided with any kind of aerial working platform adjusting device of above-mentioned.

Since the construction vehicle is provided with the platform adjusting device, the construction vehicle also has all the effects of the platform adjusting device.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a perspective view of a first embodiment of the aerial work platform adjusting device of the present invention;

FIG. 2 is a schematic view of the aerial work platform adjusting device of the present invention adjusting the aerial work platform in a pair of vertical directions;

FIG. 3 is a schematic view of the adjusting device for aerial work platform according to the present invention for adjusting the front and rear direction;

FIG. 4 is a schematic view of the adjusting device for aerial work platform according to the present invention for adjusting the horizontal direction;

FIG. 5 is a schematic structural view of a second embodiment of the aerial work platform adjusting device of the present invention;

fig. 6 is a schematic structural view of a third embodiment of the aerial work platform adjusting device of the present invention.

Description of reference numerals:

1 crank arm

2 first oil cylinder

3 connecting arm

31 third pin

32 fourth pin shaft

41 bracket

42 first adjusting lever

43 first nut

44 first pin shaft mounting seat

45 first pin shaft

46 second pin shaft

47 second pin shaft mounting base

48 cantilever

49 second bolt

5 connecting piece

6 platform

7 second oil cylinder

7 connecting plate

8 third oil cylinder

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In one aspect, the utility model discloses an aerial work platform adjusting device, the specific embodiment refers to fig. 1 to 5, now the detailed description as follows:

the first embodiment is as follows:

referring to fig. 1 to 4, there is shown a first preferred embodiment of the aerial work platform adjustment apparatus of the present invention. As shown, this embodiment includes at least: a bracket 41 and a level adjustment mechanism. Wherein, the bracket 41 is hinged on the bottom surface of the platform 6; one end of the horizontal adjusting mechanism is connected to the bottom surface of the platform 6, the other end is connected to the bracket 41, and the horizontal adjusting mechanism is used for adjusting the angle between the platform 6 and the bracket 41.

Specifically, the bracket 41 may be a square frame structure, and the first and second opposite side walls of the bracket 41 are respectively provided with connecting shafts (not shown), and the two connecting shafts are coaxially arranged. Two connecting lugs (not marked in the figure) are arranged on the bottom surface of the platform 6, and the connecting shaft is in running fit with the connecting lugs. A connecting member 5 is fixedly connected to one connecting shaft of the bracket 41, and the connecting member 5 and the connecting shaft can be processed into an integral structure.

The supporting component comprises a connecting arm 3 and a crank arm 1, and a connecting piece 5, the connecting arm 3 and the crank arm 1 are sequentially connected and used for supporting the platform 6.

It can be easily understood that, during the specific operation, the connecting shaft can be arranged on the platform 6, the connecting lug is arranged on the bracket 41, as long as the bracket 41 and the platform 6 can rotate relatively, the utility model discloses the concrete structure of rotating connection is not limited.

As shown in fig. 1, four horizontal adjusting mechanisms are selected in the present embodiment and symmetrically arranged on both sides of the bracket 41. Each of the horizontal adjustment mechanisms includes a first adjustment lever 42 and a first nut 43. Wherein, the first end of the first adjusting rod 42 is hinged with the platform 6, and the second end is provided with screw threads. The second end of the first adjustment lever 42 is connected to a mounting seat provided on the bracket 41 by a nut 43.

Specifically, a first pin connecting seat 44 is provided on the bracket 41, and a first pin 45 is rotatably mounted on the first pin connecting seat 44. The first pin 45 is provided with a connection hole, and the second end of the first adjustment lever 42 is connected to the connection hole through a first nut 43. Similarly, a second pin shaft connecting seat 47 is arranged on the platform 6, the second pin shaft 46 is rotatably installed in the second pin shaft connecting seat 47, and the first end of the first adjusting rod 42 is connected with the second pin shaft 46. During specific implementation, two first nuts 43 can be selected, the two first nuts are mounted at the second end of the first adjusting rod 42 and are arranged on two sides of the first pin shaft 45, and a plane is processed at the position where the first pin shaft 45 is in contact with the nuts, so that the nuts can better press the first pin shaft 45, and the first adjusting rod 42 is sufficiently fixed.

It can be seen that the first end of the first adjustment lever 42 is rotatable relative to the platform 6 and the second end of the first adjustment lever 42 is rotatable relative to the bracket 41. By screwing the first nut 43, i.e. adjusting the length of the first adjustment rod 42 between the bracket 41 and the platform 6, the platform 6 will correspondingly rotate about the connecting axis of the bracket 41 to adjust the levelness of the platform 6.

It should be noted that: four leveling mechanisms are shown in fig. 1, and in practice, one or more of them may be selected, and the present invention is not limited to the specific number thereof. If a plurality of the brackets are selected, the brackets may be symmetrically arranged on both sides of the bracket 41.

Referring to fig. 1 and 2, in order to level the vertical direction (the up-down direction shown in fig. 2) of the platform 6, the present embodiment may further include a first cylinder 2. Wherein, the cylinder body of the first oil cylinder 2 is hinged with the crank arm 1, and the piston rod is hinged with the connecting arm 3. The first end of the connecting arm 3 is rotatably connected with the crank arm 1 through a third pin 31, and the first oil cylinder 2 can drive the connecting arm 3 to rotate around the third pin 31.

During specific operation, the second end of the first oil cylinder 2 can be connected with the connecting arm 3 through a connecting rod (marked in the figure), and two ends of the connecting rod are respectively hinged with the first oil cylinder 2 and the connecting arm 3.

Referring to fig. 1 and 3, in order to level the front and rear directions of the platform 6, the present embodiment may further include a second cylinder 7. Specifically, a first end of the second oil cylinder 7 is hinged with the connecting arm 3, and a second end of the second oil cylinder 7 is hinged with the bracket 41. The second end of connecting arm 3 rotates through fourth round pin axle 32 and the first end of connecting piece 5 to be connected, and the second end and the platform 6 fixed connection of connecting piece 5, second hydro-cylinder 7 can drive platform 6 and rotate around fourth round pin axle 32, adjusts the fore-and-aft direction of platform 6. The fourth pin shaft 32 and the third pin shaft 31 are arranged perpendicularly to each other, and the axis of the fourth pin shaft 32 is perpendicular to the bottom surface of the platform 6; and, the line of the two connecting shafts of the bracket 41 is perpendicular to the fourth pin shaft 32. It should be noted that: the platform 6 shown in fig. 1 is located at the front and the crank arm 1 is located at the rear.

This embodiment can carry out the leveling to the platform respectively in three mutually perpendicular's direction, mutual noninterference, and specific process is as follows:

and (3) adjusting in the vertical direction, referring to fig. 1 and 2, the first oil cylinder 2 moves in the direction of a straight arrow shown in fig. 2 to push the connecting rod to move, so that the connecting arm 3 is pushed to rotate around the third pin 31, and the connecting arm 3 drives the platform 6 to rotate in the direction of a curved arrow shown in fig. 2 to level the platform 6 in the horizontal direction.

And (3) adjusting in the front-back direction, referring to fig. 1 and fig. 3, the second oil cylinder 7 acts in the direction of a straight arrow shown in fig. 3, the bracket 41 is pushed to rotate around the fourth pin shaft 32, and the bracket 41 drives the platform 6 to rotate in the direction of a curved arrow shown in fig. 3, so that the platform 6 is leveled in the direction.

And (3) adjusting in the horizontal direction, referring to fig. 1 and 4, screwing a nut 43, adjusting the length of the first adjusting rod 42 between the bracket 41 and the platform 6, pushing the platform 6 to rotate around a connecting shaft of the bracket 41, namely, the platform 6 moves in the direction of a curved arrow shown in fig. 4, and the first adjusting rod 42 is in pin connection with a second pin shaft mounting seat 47 on the platform 6 and a first pin shaft mounting seat 44 on the bracket 41, so that the first adjusting rod cannot be locked during adjustment.

To sum up, this embodiment can carry out position adjustment respectively to the platform in three mutually perpendicular's direction, makes things convenient for the staff operation.

Example two:

referring to fig. 5, another preferred embodiment of the level adjustment mechanism is shown in this embodiment. The difference between this embodiment and the first embodiment is: the horizontal adjustment mechanism has different structures.

As shown in the figures, the horizontal adjustment mechanism in this embodiment includes a third oil cylinder 8, one end of the third oil cylinder 8 is hinged to the platform 6, and the other end of the third oil cylinder 8 is hinged to the bracket 41, in this embodiment, the platform 6 is pushed to rotate around the connecting shaft of the bracket 41 by adjusting the extension length of the piston rod of the third oil cylinder 8, and then the levelness of the platform 6 is adjusted.

In this embodiment, the bracket 41 has a square structure, a connecting plate 71 is disposed on the square bracket 41, and the second end of the second cylinder 7 is hinged to the connecting plate 71.

In the embodiment, the levelness of the platform can be adjusted by controlling the extension length of the piston rod in the third oil cylinder, and the operation method is simple and easy to realize.

Example three:

referring to FIG. 6, yet another preferred embodiment of the leveling mechanism is shown. The difference between this embodiment and the first embodiment is: the horizontal adjustment mechanism has different structures. As can be seen from the figure, the horizontal adjustment structure in this embodiment comprises a cantilever 48 and a second bolt 49.

Wherein, one end of the cantilever 48 is fixedly connected with the bracket 41; the second bolt 49 has one end connected to the bottom surface of the platform 6 and the other end connected to the cantilever 48 via a second nut (not shown).

The distance between the cantilever 48 and the platform 6 can be adjusted by screwing the second nut, so that the platform 6 is driven to rotate around the trunnion of the bracket 41, and the levelness of the platform 6 is adjusted. The mechanism is suitable for a platform with a small horizontal adjustment distance.

During specific operation, the number of second nut can be selected according to actual need, the utility model discloses do not limit it.

In this embodiment, the bracket 41 has a square structure, the bracket 41 is connected to a connecting plate 71, and the second end of the second cylinder 7 is hinged to the connecting plate 71.

On the other hand, the utility model also provides an aerial working engineering vehicle, include the automobile body, connect in the cantilever crane of this automobile body and connect in the aerial working platform of this cantilever crane. Be provided with above-mentioned aerial working platform adjusting device on this platform, platform adjusting device's concrete structure refer to above-mentioned explanation can, the utility model discloses no longer describe here.

Since the construction vehicle is provided with the above-mentioned platform adjusting device, the construction vehicle also has all the effects of the platform adjusting device.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An aerial work platform adjustment device, the platform (6) being connected to a support assembly, the adjustment device comprising:

the bracket (41) is hinged to the bottom surface of the platform (6);

at least one horizontal adjusting mechanism, wherein one end of each horizontal adjusting mechanism is connected to the bottom surface of the platform (6), and the other end of each horizontal adjusting mechanism is connected to the support (41); the horizontal adjusting mechanism is used for adjusting the angle between the platform (6) and the bracket (41).

2. The aerial work platform adjustment assembly of claim 1 wherein the leveling mechanism comprises: a first adjustment lever (42) and a first nut (43); wherein,

the first end of the first adjusting rod (42) is hinged with the bottom surface of the platform (6), and the second end of the first adjusting rod (42) is provided with threads;

a first pin shaft connecting seat (44) and a first pin shaft (45) rotatably connected with the first pin shaft connecting seat (44) are arranged on the bracket (41); and a connecting hole is formed in the first pin shaft (45), and the second end of the first adjusting rod (42) is connected with the connecting hole through the first nut (43).

3. The aerial work platform adjustment assembly of claim 1 wherein the leveling mechanism comprises:

and one end of the third oil cylinder (8) is hinged with the platform (6), and the other end of the third oil cylinder is hinged with the bracket (41).

4. The aerial work platform adjustment assembly of claim 1 wherein the leveling mechanism comprises:

a cantilever (48) with one end fixedly connected with the bracket (41);

and one end of the second bolt (49) is connected with the bottom surface of the platform (6), and the other end of the second bolt is connected with the cantilever (48) through a second nut.

5. The aerial work platform adjustment device of any one of claims 1 to 4, further comprising a second cylinder (7);

the support assembly comprises a connecting arm (3);

the bracket (41) is rotatably connected with the second end of the connecting arm (3) through a fourth pin shaft (32); one end of the second oil cylinder (7) is hinged with the connecting arm (3), and the other end of the second oil cylinder is hinged with the bracket (41); the axis of the fourth pin shaft is perpendicular to the bottom surface of the platform (6).

6. The aerial work platform adjustment device of claim 5, further comprising a first cylinder (2);

the support assembly further comprises a crank arm (1);

the first end of the connecting arm (3) is rotatably connected with the crank arm (1) through a third pin shaft (31); the third pin shaft (31) and the fourth pin shaft (32) are arranged perpendicularly to each other;

one end of the first oil cylinder (2) is hinged to the crank arm (1), the other end of the first oil cylinder is hinged to the connecting arm (3), and the first oil cylinder (2) is used for driving the connecting arm (3) to rotate around the third pin shaft (31).

7. The aerial work platform adjusting device of claim 5, wherein connecting shafts are arranged on two opposite side surfaces of the bracket (41) and are respectively in rotating fit with connecting lugs arranged on the bottom surface of the platform (6); and the two connecting shafts are coaxially arranged, and the connecting line of the two connecting shafts is vertical to the fourth pin shaft (32).

8. The aerial work platform adjusting device of claim 5, wherein the two opposite side surfaces of the bracket (41) are provided with connecting lugs which are respectively in running fit with connecting shafts arranged on the bottom surface of the platform (6); and the two connecting shafts are coaxially arranged, and the connecting line of the two connecting shafts is vertical to the fourth pin shaft (32).

9. An aerial work engineering vehicle comprising a vehicle body, an arm support connected to the vehicle body, and an aerial work platform connected to the arm support, wherein the platform is provided with an aerial work platform adjustment device as claimed in any one of claims 1 to 8.