CN210393516U - Walking device for small crane - Google Patents

Abstract

The utility model discloses a running gear for miniature crane, including the base, the top fixedly connected with hoisting apparatus of base, the top fixedly connected with fixed block of the inner chamber of base, the equal swing joint in both sides of fixed block has the movable rod, and the bottom of movable rod has the diaphragm through pivot swing joint, and the fixed surface of movable rod is connected with first cylinder, and the top swing joint of pivot and base inner chamber is passed through to the one end that the movable rod was kept away from to first cylinder. The utility model discloses a base, fixed block, movable rod, diaphragm, first cylinder, bull stick, removal wheel, connecting plate, motor, active fluted disc, chain, driven fluted disc, gag lever post, sleeve, slide opening, slide bar, push away the cooperation of handle, antiskid cover, second cylinder and backing plate, the running gear who has solved the mini-crane is pulling the crane motion when, because the weight and the inertia reason of crane itself, leads to the problem that the crane needs very big power just to enable its motion when the walking.

Description

Walking device for small crane

Technical Field

The utility model relates to a small crane specifically is a running gear for small crane.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally transporting heavy objects within a certain range, which is also called a crown block, a crane, and the hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, the crane is developed and widely used in the market, the crane is common mechanical equipment in our life and is mainly used for transporting objects in some factories, and the bottom of the common small crane is provided with a walking device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a running gear for miniature crane 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:

the utility model provides a running gear for miniature crane, includes the base, the top fixedly connected with hoisting apparatus of base, the top fixedly connected with fixed block of the inner chamber of base, the equal swing joint in both sides of fixed block has the movable rod, there is the diaphragm bottom of movable rod through pivot swing joint, the first cylinder of fixed surface of movable rod is connected with, the top swing joint of pivot and base inner chamber is passed through to the one end that the movable rod was kept away from to first cylinder, there is the bull stick bottom through landing leg swing joint, the both sides of bull stick all have the removal wheel through bearing swing joint, the fixed surface that removes the wheel is connected with from the fluted disc.

As a further aspect of the present invention: one side fixedly connected with connecting plate of diaphragm, the bottom fixedly connected with motor of connecting plate, the output shaft fixedly connected with driving fluted disc of motor, be connected through chain drive between driving fluted disc and the driven fluted disc.

As a further aspect of the present invention: the surface of movable rod has the gag lever post through pivot swing joint, the surface swing joint of gag lever post has the sleeve, the slide opening has all been seted up to telescopic top and bottom, the inner chamber sliding connection of slide opening has the slide bar, one side and gag lever post fixed connection that the slide bar kept away from the slide opening inner chamber.

As a further aspect of the present invention: the left side fixedly connected with of base pushes away the handle, it is equipped with anti-skidding cover to push away one side cover that the base was kept away from to the handle.

As a further aspect of the present invention: the base bottom all fixedly connected with second cylinder all around, the bottom fixedly connected with backing plate of second cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: drive the movable rod concertina movement through first cylinder, the movable rod drives the diaphragm, bull stick and removal wheel motion, thereby make the outside that removes the wheel and extend to the base, and with ground contact, second cylinder and backing plate can break away from with ground simultaneously, the output shaft of motor drives the rotation of initiative fluted disc, the transmission that the initiative fluted disc passes through the chain, it is rotatory to drive driven fluted disc, it is rotatory to drive the removal wheel when driven fluted disc is rotatory, thereby be convenient for remove, the movable rod shrink motion of lifting by crane during operation, remove the inner chamber of wheel shrink to the base, the second cylinder drives backing plate concertina movement, backing plate and ground contact, thereby carry out the outrigger to the base, the running gear who has solved the mini crane is when pulling the crane motion, because weight and the inertia reason of crane itself, lead to the problem that the crane needs very big power to make its motion when the walking.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the middle rotating rod of the present invention;

fig. 3 is a schematic view of the structure of the sliding hole of the present invention.

In the figure: 1. a base; 2. a hoisting device; 3. a fixed block; 4. a movable rod; 5. a transverse plate; 6. a first cylinder; 7. a rotating rod; 8. a moving wheel; 9. a connecting plate; 10. a motor; 11. a driving fluted disc; 12. a chain; 13. a driven fluted disc; 14. a limiting rod; 15. a sleeve; 16. a slide hole; 17. a slide bar; 18. a push handle; 19. an anti-slip sleeve; 20. a second cylinder; 21. a backing plate.

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, in the embodiment of the present invention, a walking device for a small crane comprises a base 1, a pushing handle 18 is fixedly connected to the left side of the base 1, an anti-slip sleeve 19 is sleeved on a side of the pushing handle 18 away from the base 1, a second cylinder 20 is fixedly connected to the periphery of the bottom of the base 1, a backing plate 21 is fixedly connected to the bottom of the second cylinder 20, a hoisting device 2 is fixedly connected to the top of the base 1, a fixed block 3 is fixedly connected to the top of an inner cavity of the base 1, movable rods 4 are movably connected to both sides of the fixed block 3, a limit rod 14 is movably connected to the surface of each movable rod 4 through a rotating shaft, a sleeve 15 is movably connected to the surface of each limit rod 14, sliding holes 16 are respectively formed at the top and the bottom of the sleeve 15, a sliding rod 17 is slidably connected to the inner cavity of each sliding hole 16, one side of each sliding rod 17 away from, the surface of the movable rod 4 is fixedly connected with a first cylinder 6, one end of the first cylinder 6, which is far away from the movable rod 4, is movably connected with the top of an inner cavity of the base 1 through a rotating shaft, the bottom of the transverse plate 5 is movably connected with a rotating rod 7 through a supporting leg, two sides of the rotating rod 7 are both movably connected with movable wheels 8 through bearings, the surface of each movable wheel 8 is fixedly connected with a driven fluted disc 13, one side of the transverse plate 5 is fixedly connected with a connecting plate 9, the bottom of the connecting plate 9 is fixedly connected with a motor 10, an output shaft of the motor 10 is fixedly connected with a driving fluted disc 11, the driving fluted disc 11 is in transmission connection with the driven fluted disc 13 through a chain 12, the movable rod 4 is driven to do telescopic motion through the first cylinder 6, the movable rod 4 drives the transverse plate 5, the rotating rod 7 and the movable wheels 8 to move, so that the movable wheels 8 extend to the, the output shaft of motor 10 drives driving fluted disc 11 rotatory, driving fluted disc 11 passes through the transmission of chain 12, it is rotatory to drive driven fluted disc 13, it is rotatory to drive removal wheel 8 when driven fluted disc 13 is rotatory, thereby be convenient for remove, lift by crane the during operation movable rod 4 shrink motion, remove the inner chamber that wheel 8 contracts to base 1, second cylinder 20 drives backing plate 21 concertina movement, backing plate 21 and ground contact, thereby carry out the outrigger to base 1, the running gear who has solved the miniature crane is pulling the crane motion when, because weight and the inertia reason of hoist itself, lead to the hoist need very big power to make its problem of motion when the walking.

The utility model discloses a theory of operation is: the first cylinder 6 drives the movable rod 4 to move telescopically, the movable rod 4 drives the transverse plate 5, the rotating rod 7 and the moving wheel 8 to move, so that the movable wheel 8 extends to the outside of the base 1 and contacts with the ground, and at the same time, the second cylinder 20 and the backing plate 21 will be separated from the ground, the output shaft of the motor 10 will drive the driving fluted disc 11 to rotate, the driving fluted disc 11 will drive the driven fluted disc 13 to rotate through the transmission of the chain 12, the driven fluted disc 13 will drive the movable wheel 8 to rotate while rotating, thereby facilitating the movement, when the lifting work is carried out, the movable rod 4 contracts to move, the movable wheel 8 contracts to the inner cavity of the base 1, the second cylinder 20 drives the backing plate 21 to extend and contract, the backing plate 21 is contacted with the ground, thereby stably supporting the base 1, solving the problem that when the walking device of the small-sized crane pulls the crane to move, due to the weight and inertia of the crane, the crane needs a great force to move when walking.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a running gear for small-size hoist, includes base (1), its characterized in that: the top fixedly connected with hoisting apparatus (2) of base (1), the top fixedly connected with fixed block (3) of the inner chamber of base (1), the equal swing joint in both sides of fixed block (3) has movable rod (4), there is diaphragm (5) bottom of movable rod (4) through pivot swing joint, the fixed surface of movable rod (4) is connected with first cylinder (6), the top swing joint of pivot and base (1) inner chamber is passed through to the one end that movable rod (4) were kept away from in first cylinder (6), there is bull stick (7) bottom through landing leg swing joint in diaphragm (5), the both sides of bull stick (7) all have removal wheel (8) through bearing swing joint, the fixed surface that removes wheel (8) is connected with from driven fluted disc (13).

2. The running gear for a compact crane according to claim 1, wherein: one side fixedly connected with connecting plate (9) of diaphragm (5), the bottom fixedly connected with motor (10) of connecting plate (9), the output shaft fixedly connected with driving fluted disc (11) of motor (10), be connected through chain (12) transmission between driving fluted disc (11) and driven fluted disc (13).

3. The running gear for a compact crane according to claim 1, wherein: the surface of movable rod (4) has gag lever post (14) through pivot swing joint, the surperficial swing joint of gag lever post (14) has sleeve (15), slide opening (16) have all been seted up to the top and the bottom of sleeve (15), the inner chamber sliding connection of slide opening (16) has slide bar (17), slide bar (17) are kept away from one side and gag lever post (14) fixed connection of slide opening (16) inner chamber.

4. The running gear for a compact crane according to claim 1, wherein: the left side fixedly connected with of base (1) pushes away handle (18), one side cover that base (1) was kept away from in pushing away handle (18) is equipped with antiskid cover (19).

5. The running gear for a compact crane according to claim 1, wherein: the base is characterized in that the periphery of the bottom of the base (1) is fixedly connected with a second cylinder (20), and the bottom of the second cylinder (20) is fixedly connected with a base plate (21).

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