CN217478934U - Base structure for movable cantilever crane - Google Patents

Abstract

The utility model discloses a base structure for portable cantilever crane, include: the bottom plate, the connecting rod, the driving piece, the driving block, the stabilizer blade, the bottom plate is the square structure that the level set up, the bottom plate up end is used for installing the cantilever loop wheel machine, four corners of bottom plate articulate respectively has the connecting rod, the connecting rod is for following the rectangular shape structure of horizontal setting, the one end of connecting rod articulates in the bottom plate, the stabilizer blade is installed to the other end, the spout has been seted up along the pole length direction to the connecting rod, the driving piece is installed in the bottom plate, the driving piece has the drive end along linear motion, the driving block rotates to be connected in the drive end and can follow setting up in the spout of spout motion. The driving piece drives the connecting rod to move, so that the supporting legs can be unfolded or folded, the manual operation steps are simplified, and the working efficiency is improved.

Description

Base structure for movable cantilever crane

Technical Field

The utility model relates to a portable cantilever crane technical field, in particular to a base structure for portable cantilever crane.

Background

The cantilever crane is divided into a fixed type and a movable type, and the movable type cantilever crane has the characteristics of flexibility, wide adaptability and the like, and is a necessary independent emergency hoisting device on a high-efficiency automatic production line.

The chinese patent database discloses a patent named as a mobile cantilever crane for indoor use, application No.: CN201720940084.6, application date: 2017.07.28. the movable cantilever crane for indoor use comprises a bottom plate, a stand column, a cantilever beam and an electric hoist, wherein an outer gear ring is sleeved at the upper end of the stand column, an aligning taper hole bearing is arranged at the top end of the stand column, the lower end of the cantilever beam is fixedly connected with a positioning column, the lower end of the cantilever beam is fixedly connected with a supporting frame, the lower end of the supporting frame is fixedly connected with a gear box, a motor is fixedly connected onto the gear box, a gear is fixedly connected onto the end part of a rotating main shaft of the motor, the gear extends out of the gear box and is meshed with the outer gear ring, and two ends of a walking track of the cantilever beam are fixedly connected with a T-shaped limiting plate; the universal wheels and the walking wheels are mounted on the bottom plate, four corners of the lower end of the bottom plate are respectively provided with a rod sleeve, a telescopic rod is arranged in each rod sleeve, and a supporting column leg is arranged at the other end of each telescopic rod.

The disadvantages are that: the telescopic rod is inserted into the rod sleeve in a sliding mode and connected through the pin shaft, the telescopic rod needs to be manually drawn out from the rod sleeve one by one to a proper position in the using process and then inserted into the pin shaft, the recycling process is the reverse process of the process, the operation mode is purely manual operation, and the process is complicated.

SUMMERY OF THE UTILITY MODEL

This application is through providing a base structure for portable cantilever crane for solve the loaded down with trivial details problem of manual operation among the background art.

The embodiment of the application provides a base structure for portable cantilever crane, include:

a base plate;

four connecting rods are arranged at four corners of the bottom plate in a rotating mode respectively, and sliding grooves are formed in the connecting rods along the rod length direction;

a driving member mounted to the base plate, the driving member having a driving end moving in a straight line;

the driving block is connected to the driving end and arranged in the sliding groove in a manner of moving along the sliding groove;

a leg connected to an outer end of the link.

The beneficial effects of the embodiment are as follows: the driving piece drives the connecting rod to move, so that the supporting legs can be unfolded or folded, the manual operation steps are simplified, and the working efficiency is improved.

On the basis of the above embodiment, the embodiment of the present application may be further modified as follows:

in one embodiment of the present application: the driving piece is an electric push rod.

In one embodiment of the present application: the driving block is arranged in the sliding groove in a sliding or rolling mode.

In one embodiment of the present application: the limiting block is arranged on two sides of the connecting rod, and the limiting block is used for limiting the rotation of the connecting rod. The beneficial effect of this step: the limiting block is arranged to limit the limit position of the connecting rod in rotation, and the positioning stability of the connecting rod can be improved after the connecting rod rotates in place, so that the connecting rod is prevented from colliding with the bottom plate.

In one embodiment of the present application: the roller is arranged at the lower end of the bottom plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the stand bar when folded;

FIG. 2 is a schematic view of the legs when they are unfolded;

fig. 3 is a schematic view of a support leg structure.

The device comprises a base plate 1, a connecting rod 2, a sliding groove 201, a driving piece 3, a driving block 4, a supporting leg 5, a screw 501, a footing 502, a handle rod 503, a limiting block 6 and a roller 7.

Detailed Description

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the mechanical connection can be realized by selecting a proper connection mode in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or an electrical connection, transmitting energy or signals by electricity; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in fig. 1, a base structure for a mobile jib crane, comprising: bottom plate 1, connecting rod 2, driving piece 3, the drive block 4, stabilizer blade 5, bottom plate 1 is the square structure that the level set up, 1 up end of bottom plate is used for installing the cantilever loop wheel machine, 1 four corners of bottom plate articulate respectively has connecting rod 2, connecting rod 2 is for following the rectangular shape structure of horizontal setting, the one end of connecting rod 2 articulates in bottom plate 1, stabilizer blade 5 is installed to the other end, spout 201 has been seted up along the pole length direction to connecting rod 2, driving piece 3 installs in bottom plate 1, driving piece 3 has the drive end along linear motion, drive block 4 rotates to be connected in the drive end and can follow setting up in spout 201 of spout 201 motion.

As shown in fig. 1, the driving member 3 is an electric push rod, the driving end is an end of the push rod, the driving block 4 is rotatably installed on upper and lower sides of the end of the push rod, sliding grooves 201 are respectively formed on upper and lower surfaces of the connecting rod 2, a hole body communicated with the sliding groove 201 is formed in a side wall of the connecting rod 2, the connecting rod 2 passes through the hole body and then positions the driving block 4 in the sliding groove 201, the driving block 4 is correspondingly arranged in the sliding groove 201 in a sliding or rolling manner, the driving block 4 in this embodiment is a cylinder, the driving block 4 is arranged in the sliding groove 201 in a rolling manner, in addition, the driving block 4 can adopt a square structure, and at this time, the driving block 4 is inserted in the sliding groove 201 in a sliding manner.

As shown in fig. 1, the base structure further includes: stopper 6, stopper 6 are installed in the both sides of connecting rod 2, and stopper 6 is used for carrying on spacingly to the rotation of connecting rod 2, and is concrete, and stopper 6 is the block rubber, through stopper 6 on the one hand restriction connecting rod 2's turned angle, and on the other hand guarantees the stability behind the connecting rod 2 location, prevents connecting rod 2 and bottom plate 1 bump.

As shown in fig. 1, the base structure further includes: the rollers 7 are four, and the rollers 7 are arranged at four corners of the lower end of the bottom plate 1.

As shown in fig. 1, the leg 5 includes: screw rod 501, footing 502, handle pole 503, screw rod 501 along vertical threaded connection in connecting rod 2, the lower extreme of screw rod 501 articulates through the bulb has footing 502, the upper end of screw rod 501 is connected with handle pole 503.

This kind of a base structure for portable cantilever crane is at the during operation, as shown in fig. 1, 2, will draw in connecting rod 2 of 1 both sides of bottom plate through electric putter and release to contact with stopper 6, then manual rotation screw rod 501 for footing 502 supports in ground, thereby accomplishes cantilever crane's location, through introducing electric putter, has realized the electronic function that expandes or draw in stabilizer blade 5 in, has simplified operating procedure, has improved the convenience of operation.

The above are merely embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, so that those skilled in the art can know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent.

Claims (5)

1. The utility model provides a base structure for portable cantilever crane which characterized in that includes:

a base plate;

four connecting rods are arranged at four corners of the bottom plate in a rotating mode respectively, and sliding grooves are formed in the connecting rods along the rod length direction;

a driving member mounted to the base plate, the driving member having a driving end moving in a straight line;

the driving block is connected to the driving end and can be arranged in the sliding groove in a way of moving along the sliding groove;

a leg connected to an outer end of the link.

2. The base structure of claim 1, wherein the drive member is a power push rod.

3. The base structure of claim 1, wherein the driving block is slidably or rollably disposed in the sliding groove.

4. The base structure of claim 1, further comprising limit blocks, wherein the limit blocks are installed on two sides of the connecting rod, and the limit blocks are used for limiting the rotation of the connecting rod.

5. The base structure of claim 1, further comprising rollers mounted to the lower end of the base plate.

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