CN217437576U

CN217437576U - Light crane

Info

Publication number: CN217437576U
Application number: CN202122502265.XU
Authority: CN
Inventors: 林先松; 储伟; 权雷锋
Original assignee: Shanghai Ruiju Intelligent Equipment Co ltd
Current assignee: Shanghai Ruiju Intelligent Equipment Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-09-16
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to a hoist technical field discloses a light crane, and its structure includes portable supporting leg, portable supporting leg is provided with two to respectively fixedly connected with mount and extension frame, be provided with servo motor, bearing and spacing groove on the mount, servo motor fixed connection is in the left end of mount, bearing fixed connection is in the inside of mount left end, the spacing groove is located the inner wall of mount, the inner ring department of bearing is provided with the lead screw, be provided with hoist mechanism, thread groove and limiting plate on the extension frame. The utility model discloses a mount and the extension frame to light crane are folded, have reduced taking up of light crane to the space, have improved the convenience of light crane in the position shifts or handling, but also the convenience is adjusted light crane's span, have increased the scope when light crane uses.

Description

Light crane

Technical Field

The utility model relates to a hoist technical field specifically is a light crane.

Background

According to patent 201720595796.9, a light crane includes support, swivelling joint on the support rotating member, drive rotating member pivoted drive structure, set up the structure of snatching on the rotating member, drive structure even has controller, power. The utility model discloses the action that the hoist will promote and transport is realized with the rotation that snatchs the structure and snatch through the davit after being hung the thing for hoist structure and whole handling simplify greatly, have improved the functioning speed of hoist and have reduced hoist self weight.

At present, the existing light crane has some defects, such as; the existing light crane is generally of an integral structure, the light crane occupies a large space, the convenience of the light crane in the position transfer or carrying process is reduced, the span of the light crane is inconvenient to adjust, and the range of the light crane during use is limited. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a light crane has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a light crane, includes portable supporting leg, portable supporting leg is provided with two to respectively fixedly connected with mount and extension frame, be provided with servo motor, bearing and spacing groove on the mount, servo motor fixed connection be in the left end of mount, bearing fixed connection be in the inside of mount left end, the spacing groove is located the inner wall of mount, the inner ring department of bearing is provided with the lead screw, be provided with hoist mechanism, thread groove and limiting plate on the extension frame, hoist mechanism fixed connection be in the bottom of extension frame, the thread groove is located the inside middle department of extension frame, limiting plate fixed connection be in the side of extension frame.

As a preferred embodiment of the utility model, the left end of lead screw pass through the bearing with servo motor's output fixed connection, the right-hand member of lead screw pass through the screw thread with the inside of thread groove is connected.

As an embodiment of the present invention, the limiting plate is provided with two sets, and the symmetry is in the left and right sides of the extension frame.

As a preferred embodiment of the present invention, the size of the limiting plate is identical to the size of the limiting groove, and is movably connected to the inside of the limiting groove.

As a preferred embodiment of the present invention, the limiting grooves are provided in two sets, and the left and right sides inside the fixing frame are symmetrically disposed.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a combination of mount, extension frame, servo motor, bearing, spacing groove, lead screw, thread groove and limiting plate, after light crane uses, effectual realized folding light crane's mount and extension frame, reduced light crane and taken up the space, improved the convenience of light crane in the position shifts or handling, but also convenient the span to light crane is adjusted, has increased the scope when light crane uses.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a light crane according to the present invention;

fig. 2 is a top view of the fixing frame of the light crane of the present invention;

FIG. 3 is a side view of an extension frame of the light weight crane of the present invention;

fig. 4 is a schematic view of the fixing frame structure of the light crane of the present invention.

In the figure: the device comprises a movable supporting leg 1, a fixing frame 2, an extension frame 3, a servo motor 4, a bearing 5, a limiting groove 6, a screw rod 7, a hoisting mechanism 8, a thread groove 9 and a limiting plate 10.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. To the ordinary technical personnel in this field, can understand the specific meaning in the utility model of above-mentioned term with the concrete condition, the utility model provides an electrical apparatus's model is the reference only, can be through changing different models electrical apparatus that the function is the same according to the actual use condition.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a light crane, includes portable supporting leg 1, portable supporting leg 1 is provided with two to respectively fixedly connected with mount 2 and extension frame 3, be provided with servo motor 4, bearing 5 and spacing groove 6 on mount 2, servo motor 4 fixed connection be in the left end of mount 2, bearing 5 fixed connection be in the inside of mount 2 left end, spacing groove 6 is located the inner wall of mount 2, the inner ring department of bearing 5 is provided with lead screw 7, be provided with hoisting mechanism 8, thread groove 9 and limiting plate 10 on the extension frame 3, hoisting mechanism 8 fixed connection be in the bottom of extension frame 3, thread groove 9 is located the inside middle department of extension frame 3, limiting plate 10 fixed connection be in the side of extension frame 3, as in this embodiment figure 1, figure 2, Figures 3 and 4 show that through the combination of the fixed frame 2, the extension frame 3, the servo motor 4, the bearing 5, the limit groove 6, the screw rod 7, the thread groove 9 and the limit plate 10, when the light crane is used, the servo motor 4 is electrified, so that the servo motor 4 drives the screw rod 7 to rotate anticlockwise through the bearing 5, at the moment, the screw rod 7 rotates in the thread groove 9, so that the extension bracket 3 is moved inside the limit groove 6 of the fixing bracket 2 by the limit plate 10, thereby the extension frame 3 is contracted into the fixing frame 2, the folding of the fixing frame 2 and the extension frame 3 of the light crane is effectively realized, the occupation of the light crane on the space is reduced, the convenience of the light crane in the position transferring or carrying process is improved, but also conveniently adjust the span of the light crane and increase the range of the light crane when in use.

In this embodiment, referring to fig. 2, the left end of the screw rod 7 is fixedly connected to the output end of the servo motor 4 through the bearing 5, and the right end of the screw rod 7 is connected to the inside of the thread groove 9 through a thread, so that the servo motor 4 can effectively and conveniently drive the screw rod 7 to rotate through the bearing 5.

In this embodiment, referring to fig. 3, two sets of the limiting plates 10 are symmetrically disposed on the left and right sides of the extending frame 3, and the effect of the two sets of the limiting plates is to effectively improve the stability of the extending frame 3 when moving inside the fixing frame 2.

In the embodiment, referring to fig. 2, the size of the limiting plate 10 is matched with the size of the limiting groove 6, and is movably connected with the inside of the limiting groove 6, so as to effectively avoid the phenomenon of shaking between the limiting plate 10 and the limiting groove 6.

In this embodiment, referring to fig. 4, two sets of the limiting grooves 6 are symmetrically disposed on the left and right sides inside the fixing frame 2, and the limiting grooves are used to effectively and conveniently allow the extension frame 3 to move inside the fixing frame 2 through the limiting plates 10.

It should be noted that the light crane of the present invention includes the movable support leg 1, the fixing frame 2, the extension frame 3, the servo motor 4, the bearing 5, the limiting groove 6, the lead screw 7, the hoisting mechanism 8, the thread groove 9, the limiting plate 10 and other parts are all the parts known by the general standard or the skilled in the art, the structure and principle of the parts can be known by the technical manual or by the conventional experimental method, in the idle position of the device, all the electric devices, which refer to the power element, the electric device and the adaptive monitoring computer and the power source, are connected by the wire, the specific connection means should refer to the following working principle, the electric connection is completed between the electric devices in the working sequence, the detailed connection means is the known technology in the art, the working principle and the process are mainly described below, and the description of the electric control is not given, when the light crane is used, through the combination of the fixed frame 2, the extension frame 3, the servo motor 4, the bearing 5, the limit groove 6, the screw rod 7, the thread groove 9 and the limit plate 10, when the light crane is used, the servo motor 4 is electrified, so that the servo motor 4 drives the screw rod 7 to rotate anticlockwise through the bearing 5, the screw rod 7 can rotate in the thread groove 9, so that the extension bracket 3 is moved inside the limit groove 6 of the fixing bracket 2 by the limit plate 10, thereby the extension frame 3 is contracted into the fixing frame 2, the folding of the fixing frame 2 and the extension frame 3 of the light crane is effectively realized, the occupation of the light crane on the space is reduced, the convenience of the light crane in the position transferring or carrying process is improved, but also conveniently adjust the span of the light crane and increase the range of the light crane when in use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A light crane, comprising a mobile support leg (1), characterized in that: the movable supporting leg (1) is provided with two fixing frames (2) and two extending frames (3) which are fixedly connected respectively, a servo motor (4), a bearing (5) and a limiting groove (6) are arranged on the fixing frame (2), the servo motor (4) is fixedly connected at the left end of the fixing frame (2), the bearing (5) is fixedly connected in the fixing frame (2) at the left end, the limiting groove (6) is positioned on the inner wall of the fixing frame (2), a lead screw (7) is arranged at the inner ring of the bearing (5), a hoisting mechanism (8), a thread groove (9) and a limiting plate (10) are arranged on the extending frame (3), the hoisting mechanism (8) is fixedly connected at the bottom of the extending frame (3), the thread groove (9) is positioned in the middle of the extending frame (3), and the limiting plate (10) is fixedly connected at the side of the extending frame (3), the left end of the screw rod (7) is fixedly connected with the output end of the servo motor (4) through a bearing (5), and the right end of the screw rod (7) is connected with the inside of the thread groove (9) through threads.

2. A light weight crane as claimed in claim 1, wherein: the two groups of limiting plates (10) are symmetrically arranged on the left side and the right side of the extension frame (3).

3. A light weight crane as claimed in claim 1, wherein: the size of the limiting plate (10) is matched with that of the limiting groove (6) and is movably connected with the inside of the limiting groove (6).

4. A light weight crane as claimed in claim 1, wherein: the limiting grooves (6) are arranged in two groups and are symmetrically arranged on the left side and the right side inside the fixing frame (2).