CN219429574U

CN219429574U - Adjustable supporting leg structure for crane

Info

Publication number: CN219429574U
Application number: CN202320657473.3U
Authority: CN
Inventors: 严大萌
Original assignee: Guangzhou Juhe Construction Machinery Co ltd
Current assignee: Guangzhou Juhe Construction Machinery Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-28
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses an adjustable supporting leg structure for a crane, which relates to the technical field of supporting legs of cranes, and adopts the technical scheme that: the utility model enables the connection between the support rod and the strip block to be more stable, and enables the crane to be better supported.

Description

Adjustable supporting leg structure for crane

Technical Field

The utility model relates to the technical field of crane supporting legs, in particular to an adjustable supporting leg structure for a crane.

Background

The utility model provides an adjustable landing leg structure for automobile crane is published to current application number CN202022695338.7, relate to hoist technical field, wherein including flexible post and rotation post, the relative one end of flexible post and rotation post is equipped with hydraulic pressure spliced pole, hydraulic pressure spliced pole keeps away from the one end of flexible post and the one end fixed connection that the rotation post is close to flexible post, flexible post and the one end that the rotation post is contrary is installed on the hoist, the equal fixedly connected with fixed block of upper and lower surface of rotation post, the lateral wall that two sets of fixed blocks are contrary is fixedly connected with arc pole respectively, the equal fixedly connected with connecting block of lateral wall of two sets of arc poles, all fixedly connected with fixed plate on the lateral wall that the flexible post is contrary, two sets of arc poles pass respectively rather than corresponding fixed plate and extend, connecting block and fixed plate pass through bolt fixed connection, all be equipped with chucking stop gear on the lateral wall that the rotation post is contrary. The beneficial effects of the utility model are as follows: the safety of the supporting legs in the running process of the automobile is guaranteed, and the normal use of the automobile crane is guaranteed.

The prior art has the following defects: the above-mentioned adjustable landing leg structure for automobile crane can guarantee the safety of supporting legs in the automobile driving process and guarantee automobile crane's normal use, but the arc post in above-mentioned structure is half circular arc in its whole, and in the during operation, its effect is in order to prevent to rotate the post independently when carrying out supporting work, and half circular arc's structure can make the supporting effect of arc post unstable, and standard automobile crane's supporting leg can bear tens tons of gravity when supporting, only rely on an arc post to fix the rotation post, lead to the arc post to take place crooked and fracture at supporting process easily, thereby lead to the emergence of accident.

Therefore, an adjustable leg structure for a crane is needed.

Disclosure of Invention

Therefore, the utility model provides an adjustable supporting leg structure for a crane, which solves the problems in the background technology.

In order to achieve the above object, the present utility model provides the following technical solutions: the adjustable support leg structure for the crane comprises a vehicle crane body, wherein the inner wall of the vehicle crane body is slidably connected with two support rods, the two support rods are respectively distributed on the inner walls of the left side and the right side of the vehicle crane body, the support rods are far away from the side of the vehicle crane body, which is rotationally connected with a rotating shaft, the rotating shaft is far away from the side of the support rods, long strip blocks are fixedly arranged on the tops of the long strip blocks, hydraulic rods are fixedly arranged on the tops of the long strip blocks, circular plates are fixedly arranged at the output ends of the hydraulic rods, and locking devices are fixedly arranged on the outer walls of the long strip blocks and the support rods.

Preferably, the locking device comprises: the fixing plates are two, and the two fixing plates are respectively distributed on the top and the left outer wall of the supporting rod.

Preferably, the outer wall at the bottom of the connecting plate is fixedly connected with the outer wall at the top of the strip block, two bolts are arranged, and the outer walls at the right sides of the two bolts are respectively in threaded connection with the inner walls at the left side and the right side of the strip block.

Preferably, the left outer walls of the two bolts are respectively in threaded connection with the left inner wall and the right inner wall of the fixing plate positioned on the outer wall of the top of the supporting rod.

Preferably, the locking device comprises: the connecting block comprises two connecting blocks, a shell, connecting rods, long strips, springs and pushing plates, wherein the two connecting blocks are fixedly connected with the outer wall of the top of the supporting rod and the outer wall of the right side of the supporting rod respectively.

Preferably, the bottom of the shell is fixedly connected with the outer wall of the right side of the strip block, three connecting rods are arranged, and the outer walls of the three connecting rods are all in sliding connection with the inner wall of the right side of the shell.

Preferably, the three connecting rods are parallel to each other, the left outer wall of the three connecting rods is fixedly connected with the right outer wall of the long slat, and the springs are five, and the left sides of the five springs are fixedly connected with the left inner wall of the shell.

Preferably, the right sides of the five springs are fixedly connected with the left sides of the long strips, the outer walls of the right sides of the three connecting rods are fixedly connected with the pushing plate, and the top of the pushing plate is in sliding connection with the outer wall of the top of the shell.

The beneficial effects of the utility model are as follows: solving the problems in the background art by providing two solutions by improving on the prior art

1. The fixing plates are arranged on the top and the left side of the supporting rod, the connecting plates are arranged on the tops of the strip blocks, and through holes are formed in the connecting plates and the fixing plates, so that the connecting plates and the fixing plates at different positions can be connected through bolts no matter whether the strip blocks are placed horizontally or vertically, the strip blocks can be fixed simply and quickly, a certain support is provided for the connecting blocks to help the supporting legs to support the crane, more through holes can be formed to connect more bolts to provide support for the whole structure to bear more gravity, and the crane can be supported better because the connection between the supporting rods and the strip blocks is firmer;

2. the connecting block is installed on the top of the supporting rod and the right side, the shell is arranged on the long bar, three connecting rods are arranged in the shell, the left sides of the three connecting rods are extruded by springs, so that the three connecting rods can move towards the right side of the shell, and the through holes on the connecting blocks on the top or the right side of the three connecting rods can be independently fixed after being butted, so that the device can conveniently and simply fix the long bar, and meanwhile, the pushing plate can be pulled to the left side of the shell to move, the long bar can be pulled out of the through holes of the connecting blocks rapidly and conveniently, and the locking of the long bar can be rapidly and conveniently released.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of a support rod according to the present utility model;

FIG. 3 is a left side view of the support rod provided by the present utility model;

FIG. 4 is a top view of a support rod according to the present utility model;

fig. 5 is an interior view of a housing provided by the present utility model.

In the figure: the vehicle-mounted crane 1, the support rod 2, the rotating shaft 3, the long strip block 4, the hydraulic rod 5, the circular plate 6, the fixed plate 7, the connecting plate 8, the connecting block 9, the shell 10, the connecting rod 11, the long strip plate 12, the spring 13 and the pushing plate 14.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Embodiment one:

referring to fig. 1-3, the utility model provides an adjustable support leg structure for a crane, and in order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an adjustable landing leg structure for hoist, including truck-mounted crane 1, truck-mounted crane 1 is formed by truck, hoist and flexible jib and various hydraulic means combination, at the during operation, it goes to the place of working to drive the truck-mounted crane through the staff, and when needs are lifted the object, can be through operating the hoist, control flexible jib through the hoist and stretch out and draw down and the steering truck-mounted crane 1 inner wall sliding connection of different directions has bracing piece 2, bracing piece 2 has two, two bracing pieces 2 distribute respectively at truck-mounted crane 1 left and right sides inner wall, the bracing piece 2 is kept away from that side of truck-mounted crane 1 and is rotated and is connected with pivot 3, pivot 3 is kept away from that side of bracing piece 2 fixed mounting has rectangular piece 4, rectangular piece 4 top fixed mounting has hydraulic stem 5, hydraulic stem 5 output end fixed mounting has plectane 6, when lifting the object, need stretch out bracing piece 2 through the hydraulic means of self-contained in truck-mounted crane 1, push down through hydraulic stem 5 until with plectane 6 push down to ground, until lift truck 1 wholly, thereby for crane 1 provides the bracing piece, and when packing up, motor 2 sets up at the time of motor 2, and drive the rectangular piece 3 is fixed with the pivot 3 through the rotatory piece 4 when carrying out the motor, thereby the flat piece 4 is fixed to rotate on the truck-mounted crane 1, thereby the fixed device is used to carry out with the fixed device with the truck-mounted crane, the technical side 4, and the fixed device is fixed with the pivot is fixed to the pivot.

The locking device includes: the fixing plate 7, the connecting plate 8, the bolt 15, the fixing plate 7 has two, two fixing plates 7 distribute respectively on the top and the left side outer wall of bracing piece 2, connecting plate 8 bottom outer wall and rectangular piece 4 top outer wall fixed connection, bolt 15 has two, two bolt 15 right side outer walls respectively with rectangular piece 4 left and right sides inner wall threaded connection, two bolt 15 left side outer walls respectively with the fixing plate 7 left and right sides inner wall threaded connection that is located bracing piece 2 top outer wall, when rectangular piece 4 rotates to mutually perpendicular with on-vehicle hoist 1, can insert bracing piece 2 top fixing plate 7 through bolt 15, then insert connecting plate 8, screw up the nut and fix rectangular piece 4 on bracing piece 2, and when work finishes, dismantle bolt 15, drive pivot 3 through the motor and rotate, thereby make pivot 3 drive rectangular piece 4 rotatory, make rectangular piece 4 and on-vehicle hoist 1 parallel, just can be through inserting the bolt in bracing piece 2 left side fixing plate 7, then insert connecting plate 8, the nut, thereby fix rectangular piece 4 again, and in order to support can more through-holes that can be more fixed with the connecting plate 8 more on-mounted connection, thereby more can be offered.

The application process of the utility model is as follows: the truck in the truck-mounted crane 1 is driven by a worker, the crane drives a working place, the supporting rod 2 stretches out through a hydraulic system in the truck-mounted crane 1, the rotating shaft 3 is driven to rotate through the motor, the rotating shaft 3 drives the long bar 4 to rotate, the hydraulic rod 5 and the truck-mounted crane 1 are perpendicular to each other, the supporting rod in the hydraulic rod 5 is pushed to the ground through the hydraulic rod 5, the fixing plate 7 and the connecting plate 8 at the top of the supporting rod 2 are connected through the bolts 15, the hydraulic rod 5 and the long bar 4 are fixed, after working is completed, the bolts 15 are detached, the motor drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the long bar 4 to rotate, the hydraulic rod 5 and the truck-mounted crane 1 are parallel to each other, the fixing plate 7 at the left side of the supporting rod 2 is connected with the connecting plate 8 through the bolts 15, and the hydraulic rod 5 and the long bar 4 are fixed through the bolts 15, and the supporting rod 2 is retracted into the truck-mounted crane 1 through the hydraulic system.

Embodiment two:

referring to fig. 4-5, the locking device includes: connecting block 9, shell 10, connecting rod 11, slat 12, spring 13, the flitch 14, connecting block 9 has two, two connecting blocks 9 respectively with the top outer wall and the right side outer wall fixed connection of bracing piece 2, shell 10 bottom and rectangular piece 4 right side outer wall fixed connection, connecting rod 11 has three, three connecting rod 11 outer wall all with shell 10 right side inner wall sliding connection, be parallel to each other between three connecting rod 11, three connecting rod 11 left side outer wall and slat 12 right side outer wall fixed connection, spring 13 has five, five spring 13 left side and shell 10 left side inner wall fixed connection, five spring 13 right side and slat 12 left side fixed connection, three connecting rod 11 right side outer wall all with flitch 14 fixed connection, flitch 14 top and shell 10 top outer wall sliding connection, after bracing piece 2 stretches out truck-mounted crane 1, block 14 is pulled backward, block or other hard object block 14, when rectangular piece 4 rotates to mutually perpendicular with truck-mounted crane 1, become flexible flitch 14, after becoming flexible, spring 13 can promote slat 12 to promote the flitch 14 to promote, the flitch 14 and can make the pivot of bar 11 and the side of connecting rod 2 and the rotatory through-hole of connecting rod 4, thereby make the pivot of connecting rod 2 can be fixed with the long piece 4 through-hole 3 on the long connecting rod 4, thereby the pivot is fixed with the long-run through-bar 4, the connecting rod 4 is connected with the long-bar 4, the long-bar 4 side through the side through-bar 3 is realized.

The application process of the utility model is as follows: the truck in the vehicle-mounted crane 1 is driven by a worker, a crane drives a working place, the supporting rod 2 stretches out through a hydraulic system in the vehicle-mounted crane 1, the pushing plate 14 is pulled backwards, the pushing plate 14 is clamped by bricks or other hard objects, the rotating shaft 3 is driven by a motor to rotate, the rotating shaft 3 drives the long bar 4 to rotate, the hydraulic rod 5 and the vehicle-mounted crane 1 are mutually perpendicular, at the moment, the pushing plate 14 is loosened, the spring 13 can push the long bar 12 to move, the pushing plate 14 can push the connecting rod 11 to move, the connecting rod 11 is clamped with a through hole in the connecting block 9 of the supporting rod 2, the supporting rod in the hydraulic rod 5 is pushed to be pressed to the ground through the hydraulic rod 5, after the work is finished, the pushing plate 14 is pulled again, the pushing plate 14 is clamped by bricks or other heavy objects, the rotating shaft 3 is driven by the motor to rotate, the long bar 4 is driven by the rotating shaft 3, the hydraulic rod 5 and the vehicle-mounted crane 1 are mutually parallel, the pushing plate 14 is loosened, the long bar 12 is pushed into a through hole in the right side 9 of the supporting rod 2 by the spring 13, the long bar 5 is fixed, and the hydraulic rod 5 and the connecting rod 4 are pushed into the connecting block 2 through the hydraulic rod 2.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides an adjustable landing leg structure for hoist, includes vehicle crane (1), vehicle crane (1) inner wall sliding connection has bracing piece (2), bracing piece (2) have two, two bracing piece (2) are distributed respectively vehicle crane (1) left and right sides inner wall, bracing piece (2) are kept away from that one side rotation of vehicle crane (1) is connected with pivot (3), pivot (3) are keeping away from that one side fixed mounting of bracing piece (2) has rectangular piece (4), rectangular piece (4) top fixed mounting has hydraulic stem (5), hydraulic stem (5) output fixed mounting has plectane (6), its characterized in that: and a locking device is fixedly arranged on the outer walls of the strip blocks (4) and the supporting rods (2).

2. The adjustable leg structure for a crane according to claim 1, wherein the locking means comprises: the fixing plates (7), the connecting plates (8) and the bolts (15), wherein two fixing plates (7) are respectively distributed on the top and the left outer wall of the supporting rod (2).

3. The adjustable supporting leg structure for the crane according to claim 2, wherein the outer wall at the bottom of the connecting plate (8) is fixedly connected with the outer wall at the top of the strip block (4), two bolts (15) are arranged, and the outer walls at the right sides of the two bolts (15) are respectively in threaded connection with the inner walls at the left side and the right side of the strip block (4).

4. The adjustable support leg structure for the crane according to claim 3, wherein the left outer walls of the two bolts (15) are respectively connected with the left inner wall and the right inner wall of the fixing plate (7) positioned on the top outer wall of the supporting rod (2) through threads.

5. The adjustable leg structure for a crane according to claim 1, wherein the locking means comprises: connecting block (9), shell (10), connecting rod (11), slat (12), spring (13), push plate (14), connecting block (9) have two, two connecting block (9) respectively with top outer wall and right side outer wall fixed connection of bracing piece (2).

6. The adjustable support leg structure for the crane according to claim 5, wherein the bottom of the shell (10) is fixedly connected with the outer wall of the right side of the strip block (4), three connecting rods (11) are arranged, and the outer walls of the three connecting rods (11) are all in sliding connection with the inner wall of the right side of the shell (10).

7. The adjustable support leg structure for the crane according to claim 6, wherein three connecting rods (11) are parallel to each other, the left outer walls of the three connecting rods (11) are fixedly connected with the right outer walls of the long strips (12), and five springs (13) are fixedly connected with the left inner walls of the shell (10) at the left sides of the five springs (13).

8. The adjustable support leg structure for the crane according to claim 7, wherein the right sides of the five springs (13) are fixedly connected with the left sides of the long strips (12), the right outer walls of the three connecting rods (11) are fixedly connected with the pushing plates (14), and the tops of the pushing plates (14) are slidably connected with the top outer wall of the shell (10).