CN219489381U

CN219489381U - Landing leg for crane

Info

Publication number: CN219489381U
Application number: CN202320731015.XU
Authority: CN
Inventors: 张珂; 朱树吉; 曹丙伟
Original assignee: Shandong Guoan Heavy Industry Group Co ltd
Current assignee: Shandong Guoan Heavy Industry Group Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-08
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a supporting leg for a crane, which belongs to the technical field of cranes, wherein a jacket and a supporting seat are fixedly connected to the side surface of a crane body, a cross arm is rotatably connected to the side surface of the supporting seat, a hydraulic cylinder and supporting legs are detachably connected to one end surface of the cross arm, a movable leg is slidably connected to one end of the supporting legs, a sliding seat is fixedly connected to one end of the movable leg, a fixed plate is fixedly connected to the surface of the hydraulic cylinder, a telescopic rod is arranged at the output end of the hydraulic cylinder, the supporting leg for the crane has a one hundred eighty degree rotation function through the supporting seat and a connecting shaft, the supporting leg is convenient to adjust the supporting position according to actual needs, the convenience of the supporting leg is greatly improved, the supporting stability of the movable leg can be ensured through the sliding seat arranged on the supporting leg, meanwhile, the movable leg is convenient to assemble and disassemble, the maintenance is convenient after the later damage, and the maintenance and replacement efficiency of the supporting leg is improved.

Description

Landing leg for crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a landing leg for a crane.

Background

The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, belongs to material carrying machines, and is widely used in engineering construction and cargo carrying.

At present, the support position of supporting leg can't be adjusted according to actual need in the use of current hoist landing leg, brings inconvenience for the use of landing leg to the telescopic supporting leg is inconvenient to change after the later stage damages, has reduced maintenance efficiency.

For example, the landing leg structure for hoist disclosed in bulletin number CN210393448U comprises a supporting plate, both sides at backup pad inner chamber top and both sides of bottom all are provided with auxiliary device, auxiliary device includes the fixed column, the outside of fixed column and the both sides at backup pad inner chamber top and the both sides fixed connection of bottom, the vertical fixedly connected with baffle of inner chamber of backup pad, the equal fixedly connected with hydro-cylinder in both sides of baffle, the outside fixedly connected with fixed plate of hydro-cylinder, the outside of fixed plate runs through to the outside of backup pad, the outside of fixed plate bottom is provided with strutting arrangement.

According to the scheme disclosed by the above, the fixing plate can only stretch and retract in the horizontal direction, so that the position of the supporting device cannot rotate to move to adjust the supporting direction, inconvenience is brought to use, the supporting column and the hydraulic cylinder are positioned in the shell of the supporting device, more time is required to be consumed for assembly and disassembly in later maintenance and replacement, and the maintenance efficiency of later supporting legs is greatly reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide the supporting leg for the crane, which has the functions of rotating by one hundred eighty degrees through the supporting seat and the connecting shaft, is convenient for the supporting leg to adjust the supporting position according to actual needs, greatly improves the use convenience of the supporting leg, can ensure the supporting stability of the movable leg through the sliding seat arranged on the supporting leg, and simultaneously is provided with the detachable anti-drop sleeve, so that the movable leg is convenient to assemble and disassemble, is convenient to repair after the later damage, and improves the repair and replacement efficiency of the supporting leg.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a landing leg for hoist, includes the hoist body, the side fixedly connected with of hoist body presss from both sides cover and supporting seat, the side of supporting seat rotates and is connected with the xarm, the one end surface of xarm can be dismantled and is connected with pneumatic cylinder and supporting leg, the one end sliding connection of supporting leg has the movable leg, the one end fixedly connected with slide of movable leg, the fixed surface of pneumatic cylinder is connected with the fixed plate, the output of pneumatic cylinder is equipped with the telescopic link, the locating hole has been cup jointed in the outside of telescopic link, the one end of telescopic link can be dismantled with the surface of slide and be connected, the one end fixedly connected with bottom plate of movable leg, the surface sliding of movable leg has cup jointed the anticreep cover, and this landing leg for hoist has the rotatory function of one hundred eighty degrees through supporting seat and connecting axle that sets up for the xarm, the supporting leg of being convenient for adjusts its supporting position according to actual need, great improvement the convenience of use of landing leg to the slide that the supporting leg set up through the supporting leg, can guarantee the supporting stability of movable leg, the detachable anticreep cover that sets up simultaneously, the movable leg is convenient for the maintenance damage the landing leg after the post-repair efficiency has been improved.

Further, the side of supporting seat is equipped with the guide way, wear-resisting cover has been cup jointed to the fixed cover of one end of xarm, the inner wall of wear-resisting cover rotates and is connected with the connecting axle, the one end of connecting axle has the screw thread cover through threaded connection, and connecting axle and wear-resisting cover make the xarm have one hundred eighty degrees rotatory functions in the guide way.

Further, the bottom of supporting seat is equipped with the draw-in groove, the one end fixedly connected with fixture block of connecting axle, the surface of fixture block and the inner wall contact extrusion of draw-in groove, fixture block and draw-in groove are the polygon, can avoid the connecting axle to rotate at will.

Further, the one end of supporting leg is equipped with the storage tank, the inner wall of storage tank is opened there is the spout of symmetry, the inner wall sliding connection of spout has the guide block, and the guide block can avoid the slide to take place rotatoryly with the spout.

Further, an arc-shaped clamping groove is formed in one side of the clamping sleeve, the clamping sleeve is made of corrosion-resistant elastic metal, and the clamping sleeve is convenient for fixing the movable legs after the rotary folding.

Further, the outside of thread bush is through quarter butt fixedly connected with carousel, the surface of carousel is equipped with anti-skidding line.

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the supporting seat and the connecting shaft are arranged, so that the cross arm has a function of one hundred eighty degrees of rotation, the supporting legs can be conveniently adjusted to the supporting positions according to actual needs, and the using convenience of the supporting legs is greatly improved.

(2) According to the scheme, the sliding seat arranged through the supporting legs can ensure the supporting stability of the movable legs, meanwhile, the detachable anti-drop sleeve is arranged, the movable legs are convenient to assemble and disassemble, the movable legs are convenient to repair after being damaged in the later period, and the repair and replacement efficiency of the supporting legs is improved.

Drawings

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

FIG. 2 is a bottom view of the hydraulic cylinder and cross arm mounting structure of the present utility model;

fig. 3 is a side view of the mounting structure of the cross arm and the support base of the present utility model.

The reference numerals in the figures illustrate:

1 a crane body, 11 jackets, 12 clamping grooves, 2 supporting seats, 21 guide grooves, 22 connecting shafts, 23 clamping grooves, 24 clamping blocks, 25 threaded sleeves, 26 turntables, 3 cross arms, 31 wear-resistant sleeves, 32 positioning holes, 4 hydraulic cylinders, 41 telescopic rods, 42 fixing plates, 5 supporting legs, 51 storage grooves, 52 sliding grooves, 53 sliding seats, 54 guide blocks, 55 movable legs, 56 bottom plates and 57 anti-falling sleeves.

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.

Example 1

Referring to fig. 1-3, a support leg for a crane includes a crane body 1, a jacket 11 and a support seat 2 are fixedly connected to a side surface of the crane body 1, a cross arm 3 is rotatably connected to a side surface of the support seat 2, the cross arm 3 has a function of rotating, and can be parallel to the side surface of the crane body 1 when not in use, so as to fold and store the support leg 5, a hydraulic cylinder 4 and the support leg 5 are detachably connected to one end surface of the cross arm 3, a movable leg 55 is slidably connected to one end of the support leg 5, the movable leg 55 has a function of adjusting a supporting height in a telescopic manner, one end of the movable leg 55 is fixedly connected with a sliding seat 53, the sliding seat 53 can ensure the supporting stability of the movable leg 55, a fixed plate 42 is fixedly connected to a surface of the hydraulic cylinder 4, the hydraulic cylinder 4 is well known in the prior art, an output end of the hydraulic cylinder 4 is provided with a telescopic rod 41, a positioning hole 32 is sleeved on an outer side of the telescopic rod 41, one end of the telescopic rod 41 is detachably connected to a surface of the sliding seat 53, one end of the movable leg 55 is fixedly connected to a bottom plate 56, a surface of the movable leg 55 is slidably sleeved with an anti-release sleeve 57, the anti-release sleeve 57 is conveniently detached from the surface of the movable leg 55 through the sliding seat 57 and is in a threaded connection with the inner wall 51 of the sliding seat, the sliding seat 55 is convenient to be replaced by a polygonal wrench, and the anti-release sleeve is convenient to be replaced by a screwing tool through the anti-release tool 55, and the anti-release sleeve is convenient to be screwed.

The side of supporting seat 2 is equipped with guide slot 21, wear-resisting cover 31 has been cup jointed to the fixed one end of xarm 3, the inner wall of wear-resisting cover 31 rotates and is connected with connecting axle 22, the one end of connecting axle 22 has threaded connection to overlap 25 through the screw thread, connecting axle 22 and wear-resisting cover 31 make xarm 3 have one hundred eighty degrees rotatory functions in guide slot 21, the bottom of supporting seat 2 is equipped with draw-in groove 23, the one end fixedly connected with fixture block 24 of connecting axle 22, the surface of fixture block 24 and the inner wall contact extrusion of draw-in groove 23, fixture block 24 and draw-in groove 23 are the polygon, can avoid connecting axle 22 to rotate at will, the outside of threaded connection 25 is through quarter butt fixedly connected with carousel 26, the surface of carousel 26 is equipped with the anti-skidding line.

In this embodiment, through supporting seat 2 and connecting axle 22 that set up for xarm 3 has one hundred eighty degrees rotatory functions, and the supporting leg 5 of being convenient for adjusts its supporting position according to actual need, great improvement the convenience of use of landing leg.

Example 2

One end of the supporting leg 5 is provided with a storage groove 51, the inner wall of the storage groove 51 is provided with a symmetrical sliding groove 52, the inner wall of the sliding groove 52 is slidably connected with a guide block 54, the guide block 54 and the sliding groove 52 can prevent the sliding seat 53 from rotating, one side of the clamping sleeve 11 is provided with an arc clamping groove 12, the clamping sleeve 11 is made of corrosion-resistant elastic metal, and the clamping sleeve 11 is convenient for fixing the movable leg 55 after the rotating and folding.

In this embodiment, through the slide 53 that supporting leg 5 set up, can guarantee the supporting stability of movable leg 55, the detachable anticreep cover 57 of setting up simultaneously is convenient for movable leg 55's the installation and removal, and the later stage of being convenient for damages the back and maintains, has improved the maintenance change efficiency of landing leg.

When the landing leg for the crane is used, the cross arm 3 is directly rotated firstly, the cross arm 3 rotates to enable the supporting leg 5 and the movable leg 55 to rotate and move to adjust the supporting position, the rotation is stopped after the position is proper, then the turntable 26 is manually rotated clockwise, the threaded sleeve 25 is screwed tightly, the cross arm 3 cannot rotate randomly through extrusion of the supporting seat 2, then the hydraulic cylinder 4 is started, the movable leg 55 extends downwards to be supported, the supporting seat 2 and the connecting shaft 22 are arranged to enable the cross arm 3 to have a one hundred eighty degree rotation function, the supporting leg 5 is convenient to adjust the supporting position according to actual needs, the using convenience of the landing leg is greatly improved, the supporting stability of the movable leg 55 can be guaranteed through the sliding seat 53 arranged on the supporting leg 5, meanwhile, the movable leg 55 is convenient to assemble and disassemble, maintenance is convenient to be carried out after the later damage, and the maintenance and replacement efficiency of the landing leg is improved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a landing leg for hoist, includes hoist body (1), its characterized in that: the side fixedly connected with of hoist body (1) presss from both sides cover (11) and supporting seat (2), the side rotation of supporting seat (2) is connected with xarm (3), the one end surface of xarm (3) can be dismantled and is connected with pneumatic cylinder (4) and supporting leg (5), the one end sliding connection of supporting leg (5) has movable leg (55), the one end fixedly connected with slide (53) of movable leg (55), the fixed surface of pneumatic cylinder (4) is connected with fixed plate (42), the output of pneumatic cylinder (4) is equipped with telescopic link (41), locating hole (32) have been cup jointed in the outside of telescopic link (41), the one end of telescopic link (41) can be dismantled with the surface of slide (53) and be connected, the one end fixedly connected with bottom plate (56) of movable leg (55), the surface sliding sleeve of movable leg (55) has cup jointed anti-disengaging cover (57).

2. The leg for a crane according to claim 1, wherein: the side of supporting seat (2) is equipped with guide way (21), wear-resisting cover (31) have been cup jointed to the one end of xarm (3) fixedly, the inner wall rotation of wear-resisting cover (31) is connected with connecting axle (22), the one end of connecting axle (22) has threaded sleeve (25) through threaded connection.

3. A crane leg according to claim 2, characterized in that: the bottom of supporting seat (2) is equipped with draw-in groove (23), the one end fixedly connected with fixture block (24) of connecting axle (22), the surface of fixture block (24) and the inner wall contact extrusion of draw-in groove (23).

4. The leg for a crane according to claim 1, wherein: one end of each supporting leg (5) is provided with a storage groove (51), the inner wall of each storage groove (51) is provided with symmetrical sliding grooves (52), and the inner wall of each sliding groove (52) is connected with a guide block (54) in a sliding manner.

5. The leg for a crane according to claim 1, wherein: one side of the jacket (11) is provided with an arc-shaped clamping groove (12), and the jacket (11) is made of corrosion-resistant elastic metal.

6. A crane leg according to claim 2, characterized in that: the outside of thread bush (25) is through quarter butt fixedly connected with carousel (26), the surface of carousel (26) is equipped with anti-skidding line.