CN211056570U

CN211056570U - Lorry-mounted crane supporting leg

Info

Publication number: CN211056570U
Application number: CN201922190310.5U
Authority: CN
Inventors: 牛春波
Original assignee: Shanxi Jiecheng Cnc Machinery Equipment Co ltd
Current assignee: Shanxi Jiecheng Cnc Machinery Equipment Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-21
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a lorry crane landing leg, include: the utility model has the advantages of simple structure and convenient use, the support column can be inclined through the arrangement of the support column and the support rod, the support column can be used for retracting the supporting force on a horizontal vertical square by the crane through proper inclination when the crane works on uneven ground, the problem that the existing crane support leg can not be automatically inclined and adjusted is solved, manual operation is needed, the labor intensity of workers is enhanced, manpower and material resources are wasted, the operation is complicated, the manual adjustment precision is low, and the crane is difficult to be ensured in the horizontal direction, the crane can incline to influence the lifting work.

Description

Lorry-mounted crane supporting leg

Technical Field

The utility model relates to a conveyer technical field specifically is a lorry crane landing leg.

Background

The lorry-mounted crane is a crane arranged on a common automobile chassis or a special automobile chassis, and a driving cab and a crane control cab of the lorry-mounted crane are separately arranged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lorry crane landing leg to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lorry crane leg comprising: the base is a square flat plate, the base is a solid steel plate, a row of anti-skidding blocks are fixedly arranged on the wall surface below the base, a fixing groove is formed in the wall surface above the base and is positioned in the middle of the wall surface above the base, the support column is arranged above the base, rotary balls are fixedly arranged on the upper wall surface and the lower wall surface of the support column respectively, the rotary balls below the support column are movably arranged in the fixing groove, four support rods are arranged on the wall surface above the base and are hinged with the wall surface above the base through hinges and are positioned on the front side, the rear side, the left side and the right side of the support column respectively, the support rods are electric push rods and can be linked with the support columns, the wall surface above the support rods is hinged with the side surfaces of the support columns through hinges, the utility model discloses a support column, including support column, fixed slot, support column top, fixed bolt hole, hinge, four spacing posts, four side about, four spacing post below walls are articulated respectively through hinge and support column all around, the support column top is provided with the backup pad, the fixed slot is seted up to backup pad below wall, and support column top roating sphere movable mounting inside the fixed slot of backup pad below, the horizontal support arm of backup pad top fixed mounting, horizontal support arm left side wall fixed mounting fixed plate, set up the bolt hole on the fixed plate, four spacing posts are articulated through the hinge to the backup pad below.

Preferably, the anti-skidding block is a semi-cylinder, and the base is provided with the anti-skidding block through the wall surface below to increase the friction force with the ground, so that the problem that the crane is easy to slip to cause danger when the crane is supported on the wet and slippery ground and a heavy object is hoisted is solved.

Preferably, the support column is a numerically controlled hydraulic lever, and the support column can be controlled by a steering controller.

Preferably, the fixing plate is fixedly installed on the crane through bolts, so that the whole supporting leg is fixedly connected with the crane, and a group of supporting legs are fixedly installed on the left side and the right side of the crane respectively.

Preferably, the limiting column is a cylinder with elastic force.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure, convenient to use, through setting up support column and the bracing piece that can carry out the slope, through the flexible drive support column slope of bracing piece, thereby make the hoist when carrying out work on uneven ground or slope ground, the support column can come the hoist to receive the holding power on the horizontal vertical square through appropriate slope, solved current hoist landing leg can't independently carry out the slope adjustment, just need manual work, workman's intensity of labour has been strengthened, waste manpower and materials, the operation is numerous and diverse, and manual regulation precision is low, it is difficult to guarantee the hoist in the horizontal direction, can make hoist slope influence the problem of lifting by crane work;

2. the utility model discloses still set up the bracing piece all around at the support column simultaneously, four bracing pieces can consolidate the support column when the support column inclines, and the unstability leads to whole hoist to empty when having solved the support column slope and produces dangerous problem.

Drawings

FIG. 1 is a front view of a landing leg of a lorry-mounted crane according to the present invention;

FIG. 2 is a top view of a landing leg of a lorry-mounted crane according to the present invention;

fig. 3 is a bottom view of a landing leg of the lorry-mounted crane of the utility model.

In the figure: 1. a base; 2. anti-skid blocks; 3. a support pillar; 4. a transverse support arm; 5. a fixing plate; 6. a supporting plate; 7. a limiting column; 8. a support bar; 9. fixing grooves; 10. the ball is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lorry crane leg comprising: the base 1, set up the support column 3 used for supporting the whole hoist above the base 1 and set up the horizontal support arm 4 used for connecting the hoist horizontally above the support column 3, the base 1 is a square flat plate, and the base 1 is a solid steel plate, the wall fixed mounting of base 1 below has a row of non slipping spur 2, the non slipping spur 2 is a semi-cylinder, the base 1 increases the friction with the ground through the non slipping spur 2 of wall mounting below, solve and support the hoist in the slippery ground of the comparison and slippery and skid the problem causing danger easily when hoisting the heavy object, the wall sets up the fixed slot 9 above the base 1, and the fixed slot 9 locates at the middle position of wall above the base 1, the fixed slot 9 is a square trough, there is support column 3 above the base 1, the support column 3 is a numerical control hydraulic stem, and the support column 3 can be controlled by the steering type controller, the upper wall and the lower wall of the supporting column 3 are respectively fixedly provided with a rotating ball 10, the rotating ball 10 is a solid ball body, the rotating ball 10 below the supporting column 3 is movably arranged in a fixed groove 9, the rotating ball 10 can rotate in the fixed groove 9 to drive the supporting column 3 to tilt in three hundred sixty degrees all around, the upper wall of the base 1 is provided with four supporting rods 8, the supporting rods 8 are hinged with the upper wall of the base 1 through hinges, the four supporting rods 8 are respectively positioned on the front side, the rear side, the left side and the right side of the supporting column 3, the supporting rods 8 are electric push rods, the four supporting rods 8 can be linked with the supporting column 3, the upper wall of each supporting rod 8 is hinged with the side of the supporting column 3 through hinges, the supporting column 3 is driven to tilt through the stretching of the supporting rods 8, so that when the crane works on uneven ground or slope ground, the, the problem that danger is caused by the fact that a crane turns on one side due to uneven ground is avoided, meanwhile, when the support column 3 inclines, four support rods 8 can reinforce and support the support column 3, a support plate 6 is arranged above the support column 3, the support plate 6 is a square flat plate, the support plate 6 is a solid steel plate, a fixing groove 9 is formed in the wall face below the support plate 6, a rotating ball 10 above the support column 3 is movably arranged inside the fixing groove 9 below the support plate 6, a transverse support arm 4 is fixedly arranged above the support plate 6, the transverse support arm 4 is a cuboid made of alloy steel, the wall face below the transverse support arm 4 is welded with the support plate 6, a fixing plate 5 is fixedly arranged on the wall face on the left side of the transverse support arm 4, the fixing plate 5 is a square flat plate made of alloy steel, when the crane is assembled, the fixing plate 5 is fixedly arranged on the crane by using bolts, so that the whole supporting leg is fixedly connected with the crane, a group of supporting legs are fixedly arranged on the left side and the right side of the crane respectively, when the crane is used, the supporting legs on the two sides of the crane are put down to support the crane, when the supporting column 3 inclines, the rotary ball 10 rotates to keep the supporting plate 6 horizontal, the lower wall surface of the supporting plate 6 is hinged with four limiting columns 7 through hinges, the four limiting columns 7 are respectively positioned on the front side, the rear side, the left side and the right side of the supporting column 3, the limiting columns 7 are cylinders with elasticity, the lower wall surfaces of the four limiting columns 7 are respectively hinged with the front side, the rear side, the left side, the right side and the left side of the supporting column 3 through hinges, when the supporting column 3 inclines, the, the limiting column 7 resets the supporting plate 6 to be vertical to the supporting column 3 by generating pulling force and elastic force.

The working principle is as follows: when the utility model is used, the fixed plate 5 is fixedly arranged on the crane by using bolts when the crane is assembled, so that the whole supporting leg is fixedly connected with the crane, and a group of supporting legs are respectively fixedly arranged at the left side and the right side of the crane, when the crane is used, the supporting legs at the two sides of the crane are put down to support the crane, the supporting column 3 is controlled to extend to a required length, the supporting column 3 is driven to incline by the expansion of the supporting rods 8, so that when the crane works on uneven ground or slope ground, the supporting column 3 can receive a supporting force on a horizontal vertical square by the crane through proper inclination, the problem that the crane turns over to cause danger due to uneven ground is avoided, meanwhile, the four supporting rods 8 can reinforce and support the supporting column 3 when the supporting column 3 inclines, the supporting plate 6 can still keep horizontal through the, 6 horizontal braces of backup pad, 6 horizontal stability power in backup pad can be given from four sides to spacing post 7, when not using the hoist, withdraws whole landing leg, and spacing post 7 resets backup pad 6 through producing pulling force and elasticity and is perpendicular with support column 3, has simple structure, convenient to use, excellent in use effect's advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lorry-mounted crane supporting leg is characterized in that: the method comprises the following steps: base (1), setting are in base (1) top is used for supporting support column (3) and the setting of whole hoist is in the horizontal support arm (4) that are used for the transverse connection hoist of support column (3) top, base (1) top is provided with tiltable support column (3), and base (1) top wall sets up four bracing pieces (8), and bracing piece (8) are articulated through hinge and base (1) top wall, and four bracing pieces (8) are located support column (3) four sides all around respectively, and bracing piece (8) top wall is articulated through hinge and support column (3) side, and support column (3) top is provided with backup pad (6), backup pad (6) top fixed mounting horizontal support arm (4).

2. A lorry crane leg as claimed in claim 1, characterized in that: fixed grooves (9) are respectively formed in the wall surface above the base (1) and the wall surface below the supporting plate (6), rotary balls (10) are respectively and fixedly mounted on the upper wall surface and the lower wall surface of the supporting column (3), and the two rotary balls (10) are movably clamped inside the two fixed grooves (9) respectively.

3. A lorry crane leg as claimed in claim 1, characterized in that: a row of anti-skidding blocks (2) are fixedly mounted on the wall surface below the base (1).

4. A lorry crane leg as claimed in claim 1, characterized in that: the supporting rod (8) is a numerical control electric push rod.

5. A lorry crane leg as claimed in claim 1, characterized in that: and a fixing plate (5) used for connecting a crane is fixedly arranged on the left side wall surface of the transverse supporting arm (4), and a bolt hole is formed in the fixing plate (5).

6. A lorry crane leg as claimed in claim 1, characterized in that: the wall surface below the supporting plate (6) is hinged with four limiting columns (7) through hinges, the four limiting columns (7) are respectively located on the front side, the rear side, the left side and the right side of the supporting column (3), and the wall surface below the four limiting columns (7) is hinged with the four side surfaces of the supporting column (3) through hinges.