CN221343623U - Self-driven chassis of micro crane - Google Patents

Abstract

The utility model relates to a self-driven chassis of a micro crane, comprising: the two transverse support rods are arranged at two sides of the base and fixedly connected with the base, two vertical support rods are arranged below the two transverse support rods and are perpendicular to the transverse support rods, travelling wheels are arranged below two ends of the vertical support rods, the transverse support rods consist of fixed pipes and sliding pipes which are in sliding connection with the two ends of the fixed pipes, travelling wheels are arranged at the free ends of the sliding pipes, a connecting sleeve for installing a lifting mechanism is arranged on the sliding pipe which is close to the travelling wheels, and a group of lifting mechanisms for lifting the base are movably connected with the connecting sleeve; the utility model has the advantages that: the rectangular extension bracket consisting of the transverse support rod and the vertical support rod is additionally arranged on the base, so that the stability of the micro crane during hoisting and moving is ensured, and the motor for self-walking travelling wheels and driving travelling wheels is arranged below the rectangular extension bracket, so that the micro crane can walk freely in a narrow place.

Description

Self-driven chassis of micro crane

Technical Field

The utility model relates to the technical field of micro cranes, in particular to a self-driven chassis of a micro crane.

Background

The current micro crane comprises a base, a vertical rod, a hack lever, an electric and manual hoisting mechanism and the like which are arranged on a support plate at the upper half part of the vertical rod. The crane is suitable for lifting weights below 500 kg, can normally work in a narrow space, can ensure accurate leaning of the lifted weights, and has high lifting speed and labor saving. However, problems are also found in use, such as the inability to move cargo further from the crane, the need for a forklift to move the crane to a desired location, and the need for a self-propelled chassis for a micro-crane is now urgent.

Disclosure of utility model

In view of the foregoing, it is an object of the present utility model to provide a self-driven chassis of a micro-crane for driving the micro-crane to move, so as to overcome the above-mentioned drawbacks of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A self-propelled chassis for a micro-crane, comprising: the device comprises two transverse support rods which are arranged on two sides of a base and fixedly connected with the base, two vertical support rods which are arranged below the two transverse support rods and are perpendicular to the transverse support rods, travelling wheels are arranged below two ends of each vertical support rod, each transverse support rod is composed of a fixed pipe and a sliding pipe which is connected inside the two ends of the fixed pipe in a sliding mode, the free end of each sliding pipe is provided with a travelling wheel, a connecting sleeve for installing a lifting mechanism is arranged on each sliding pipe close to each travelling wheel, the lifting mechanism used for lifting the base is movably connected with each connecting sleeve, and each lifting mechanism comprises: the support legs are symmetrically arranged by two support rods hinged through a hinge seat and nut seats positioned on the hinge seat, the screw rods are in threaded connection with the nut seats of the two support legs, the support rods positioned at the upper ends of the two support legs are hinged with the upper support seat, and the support rods positioned at the lower ends of the two support legs are hinged with the lower support seat.

Preferably, the two travelling wheels arranged side by side are connected through a transmission shaft.

Preferably, a power supply battery and a driving motor are arranged on one side of the base, the power supply battery is used for supplying power to the driving motor, and the driving motor drives the travelling wheels through a transmission shaft.

Preferably, the travelling wheels on the transverse supporting rods are arranged on the transverse supporting rods through connecting sleeves.

As the optimization of the utility model, the two transverse supporting rods are provided with the movable bearing plates which are arranged in parallel with the base, and the movable bearing plates are provided with the balancing weight installation seats.

Preferably, the two transverse support rods and the two vertical support rods form a rectangular extension bracket.

The utility model has the advantages and positive effects that:

1. According to the utility model, the rectangular extension bracket consisting of the transverse support rod and the vertical support rod is additionally arranged on the base, so that the stability of the micro crane during hoisting and moving is ensured, and the walking wheel for self-walking and the motor for driving the walking wheel are arranged below the rectangular extension bracket, so that the micro crane can walk freely in a narrow place.

2. The transverse supporting rod adopts the telescopic connecting rod, and the lifting mechanism for lifting the base is arranged on the telescopic connecting rod, so that the micro crane can work on a production line or a workbench with a certain height.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic view of the lifting mechanism of the present utility model.

Fig. 3 is a schematic view of the connection sleeve of the present utility model.

Fig. 4 is a schematic diagram of a connection structure of a transverse support rod and a vertical support rod according to the present utility model.

Reference numerals: the lifting device comprises a transverse supporting rod 1, a fixed pipe 101, a sliding pipe 102, a vertical supporting rod 2, a base 3, travelling wheels 4, a lifting mechanism 5, an upper supporting seat 501, a lower supporting seat 502, supporting legs 503, a screw rod 504, a connecting sleeve 6 and a movable bearing plate 7.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

Referring to fig. 1-4, the present embodiment provides a self-driven chassis of a micro-crane, including: rectangular extension support is constituteed by two horizontal bracing pieces 1 and two vertical bracing pieces 2, two horizontal bracing pieces 1 set up in the base 3 both sides and link firmly with the base 3, two vertical bracing pieces 2 set up in two horizontal bracing pieces 1 below and set up perpendicularly with horizontal bracing piece 2, the below at vertical bracing piece 2 both ends is provided with walking wheel 4, horizontal bracing piece 1 comprises fixed pipe 101 and sliding connection at the inside slip pipe 102 in fixed pipe 101 both ends, the free end of slip pipe 102 is provided with walking wheel 4, be provided with the adapter sleeve 6 of installation elevating system 5 on the slip pipe 102 that is close to walking wheel 4, adapter sleeve 6 swing joint has elevating system 5 that is used for the base to go up and down, elevating system 5 includes: the upper supporting seat 501 fixedly connected with the connecting sleeve 6, the lower supporting seat 502 contacted with the ground, two groups of supporting legs 503 arranged between the upper supporting seat 501 and the lower supporting seat 502, screw rods 504 connected with the two groups of supporting legs 503 and pushing the supporting legs 503 to stretch, and the two groups of supporting legs 503 are symmetrically arranged, wherein the supporting legs 503 are composed of two supporting rods hinged through a hinging seat and nuts arranged on the hinging seat, the screw rods 504 are in threaded connection with the nuts of the two groups of supporting legs, the supporting rods positioned at the upper ends of the two groups of supporting legs 503 are hinged with the upper supporting seat 501, and the supporting rods positioned at the lower ends of the two groups of supporting legs 503 are hinged with the lower supporting seat 502. Two traveling wheels 4 arranged side by side on the vertical supporting rod 2 are connected through a transmission shaft. One side of the base 3 is provided with a power supply battery and a driving motor, the power supply battery is used for supplying power to the driving motor, the driving motor drives the travelling wheels 4 through a transmission shaft, two transverse supporting rods 1 are provided with movable bearing plates 7 which are parallel to the base 3, and the movable bearing plates 7 are provided with balancing weight installation seats.

The travelling wheels 4, the transverse supporting rods 1 and the vertical supporting rods 2 in the embodiment can be quickly assembled through the connecting sleeves 6, and the number of the travelling wheels 4 can be increased on the transverse supporting rods 1 and the vertical supporting rods 2 according to the weight of the micro-crane.

The power supply battery in this embodiment may use two 120 ampere-hour mobile power supplies, one mobile power supply for operation or walking, and the other mobile power supply as a standby power supply. And the 500W 12V solar charger configured by the crane can charge two mobile power supplies, and the 500W portable hand-operated charger can be used for charging in the field in rainy days or at night so as to ensure continuous operation of the equipment.

Working principle: the rectangular extension bracket consisting of the transverse support rod 1 and the vertical support rod 2 is additionally arranged on the base 3 so as to ensure the stability of the micro crane during moving, the walking wheel 4 for self-walking is arranged below the rectangular extension bracket, the transverse support rod 1 adopts a telescopic connecting rod, and the lifting mechanism 5 for lifting the base 3 is arranged on the telescopic connecting rod, so that the micro crane can work on a production line or a workbench with a certain height through the lifting mechanism 5.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (6)

1. A self-propelled chassis for a micro-crane, comprising: the device comprises two transverse support rods which are arranged on two sides of a base and fixedly connected with the base, two vertical support rods which are arranged below the two transverse support rods and are perpendicular to the transverse support rods, travelling wheels are arranged below two ends of the vertical support rods, the transverse support rods are composed of fixed pipes and sliding pipes which are connected inside the two ends of the fixed pipes in a sliding mode, the free ends of the sliding pipes are provided with travelling wheels, connecting sleeves for installing lifting mechanisms are arranged on the sliding pipes close to the travelling wheels, a group of lifting mechanisms for lifting the base are movably connected with the connecting sleeves, and the lifting mechanisms comprise: the support legs are symmetrically arranged by two support rods hinged through a hinge seat and nut seats positioned on the hinge seat, the screw rods are in threaded connection with the nut seats of the two support legs, the support rods positioned at the upper ends of the two support legs are hinged with the upper support seat, and the support rods positioned at the lower ends of the two support legs are hinged with the lower support seat.

2. The self-driven chassis of a micro-crane according to claim 1, wherein two of the traveling wheels arranged side by side are connected by a transmission shaft.

3. The self-driven chassis of a micro-crane according to claim 2, wherein a power supply battery and a driving motor are arranged on one side of the base, the power supply battery is used for supplying power to the driving motor, and the driving motor drives the travelling wheels through the transmission shaft.

4. The self-driven chassis of a micro-crane according to claim 1, wherein the travelling wheels on the transverse support bar are mounted on the transverse support bar through connecting sleeves.

5. The self-driven chassis of a micro-crane according to claim 1, wherein the two transverse supporting rods are provided with movable bearing plates which are arranged in parallel with the base, and the movable bearing plates are provided with balancing weight installation seats.

6. The self-driven chassis of a micro-crane according to claim 1, wherein two of the transverse support bars and two of the vertical support bars form a rectangular extension bracket.