CN219136193U

CN219136193U - Portable lifting device

Info

Publication number: CN219136193U
Application number: CN202223080605.5U
Authority: CN
Inventors: 丁洋坤; 贾士周
Original assignee: Hebei Hanguang Heavy Industry Ltd
Current assignee: Hebei Hanguang Heavy Industry Ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-06
Anticipated expiration: 2032-11-21

Abstract

The utility model belongs to the technical field of construction of hoisting equipment, and particularly relates to a portable hoisting device. A portable lifting device comprising: the horizontal suspension arm comprises an arm rod, the middle part of the arm rod is fixedly connected with a support lug A, and the support vertical arm comprises an upper upright post and a lower upright post which are coaxially sleeved; one end of the right-angle transition joint is connected with the outside of one end of the arm rod in a threaded manner, and the bottom of the right-angle transition joint is connected with the top end of the upper upright post in a threaded manner; through utilizing right angle transition joint threaded connection armed lever's one end and the one end of last stand to make the other end grafting of last stand in the inside of stand down, can accomplish right angle transition joint, horizontal davit and support the quick assembly work of standing the arm, construction efficiency is fast, simultaneously after splitting right angle transition joint, horizontal davit and support standing the arm, can obtain the lighter independent part of weight, conveniently transport.

Description

Portable lifting device

Technical Field

The utility model belongs to the technical field of construction of hoisting equipment, and particularly relates to a portable hoisting device.

Background

The hoisting is generally carried out on equipment through a crane or a hoisting mechanism, various hoisting machines are utilized to hoist equipment, workpieces, appliances, materials and the like in the process of overhauling or maintaining, so that the position of the equipment is changed, the positions of articles and the equipment are changed in a hoisting mode, and the hoisting machine is widely applied to various fields. With the increasing of the border trade area and the tourist area in China, the construction coverage of border area border sea defense monitoring systems in China is wider and wider, and most video monitoring devices are arranged on iron towers to improve and strengthen border defense security management.

The video monitoring equipment on the existing iron tower is lifted to a certain height by adopting a crane hoisting mode, and the position and the angle are adjusted by the crane, so that related equipment and devices are sent to the target position on the iron tower. However, in many remote border areas, the crane cannot reach the point where the monitoring is installed and the equipment needs to be manually transported to the site, so that the monitoring equipment is difficult to install or detach on the iron tower after the iron tower is assembled at the point to be monitored.

Disclosure of Invention

In order to overcome the defects of the prior art, the portable lifting device provided by the utility model has the advantages that the right-angle transition joint is used for connecting the horizontal suspension arm and the upper upright post in a threaded manner, the other end of the upper upright post is detachably connected with the lower upright post, the quick assembly work of the right-angle transition joint, the horizontal suspension arm and the supporting upright arm can be completed, the construction efficiency is high, the operation is simple, and the lifting work of monitoring equipment in remote areas which cannot be reached by a crane due to limited road conditions can be solved.

The technical scheme adopted by the utility model is as follows:

a portable lifting device comprising: the device comprises a right-angle transition joint, a horizontal suspension arm, an inclined support column and a support vertical arm;

the horizontal suspension arm comprises an arm rod, and a support lug A is fixedly connected to the outer circumferential surface of the middle part of the arm rod;

the supporting vertical arm comprises an upper stand column and a lower stand column which are coaxially sleeved and detachably connected, and a supporting lug B is fixedly connected to the outer circumferential surface of the lower stand column;

two ends of the oblique support column are detachably connected with the support lugs A and the support lugs B respectively;

the end part of the horizontal end of the right-angle transition joint is in threaded connection with one end of the arm rod, and the end part of the vertical end is in threaded connection with the top of the upper upright post; the other end of the arm lever is provided with a pulley for enabling the hoisting rope to bypass.

Preferably: and two ends of the oblique support column are respectively connected with the support lugs A and B through bolts.

Preferably: the pulley is pin-connected to the roller plate seat at the end part of the arm rod through a shaft pin rod; and a limit ring groove is formed in the outer circumferential surface of the pulley.

Preferably: the outer circumferential surface of the arm rod is fixedly connected with a binding ring used for binding the rotary rope.

Preferably: the bottom of lower stand passes through the bearing and supports on the base, and is specific:

the base is provided with a bearing sleeve, the outer ring of the bearing is in interference fit with the bearing sleeve, and the inner ring of the bearing is in interference fit with the lower upright post.

The beneficial effects are that:

(1) The hoisting device is characterized in that one end of the arm rod and one end of the upper upright post are connected through the right-angle transition joint in a threaded manner, and the other end of the upper upright post is detachably connected with the lower upright post, so that the quick assembly work of the right-angle transition joint, the horizontal suspension arm and the supporting upright arm can be completed, the construction efficiency is high, and the operation is simple; through with right angle transition joint, horizontal davit and support the back of standing the arm split, can obtain the lighter individual part of weight, small, conveniently transport.

(2) Through set up the oblique support column between middle part and the lower stand of armed lever, with the help of triangle-shaped stability better characteristics, can guarantee to support structural strength after standing arm, right angle transition joint and horizontal davit are connected.

(3) The pulley rotates around the shaft pin rod by pulling one end of the rope which bypasses the outside of the pulley on the ground, so that monitoring equipment which is bound at the other end of the rope can be lifted, and the monitoring equipment is simple and convenient.

(4) The arm rod is rotated around the lower upright post in the air by traction of the rotary rope bound on the binding ring, so that the arm rod can be conveniently rotated to the required installation position of the monitoring equipment, and the control is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of the structure of the horizontal boom of the present utility model;

fig. 4 is a schematic structural view of the support arm according to the present utility model.

Wherein: 1-right angle transition joint; 2-a horizontal boom; 21-arm lever; 22-supporting ear A; 23-binding rings; 24-roller plate seat; 25-pulleys; 26-a shaft pin rod; 27-limiting ring grooves; 3-oblique support columns; 4-supporting the vertical arm; 41-upper upright posts; 42-lower upright post; 43-support lugs B; 44-a base; 45-bearing sleeve; 46-bearings; 5-a latch rod.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Example 1:

the embodiment provides a portable lifting device applied to an iron tower, which can be rapidly assembled, and has the advantages of high construction efficiency and simplicity in operation; the hoisting device is suitable for hoisting monitoring equipment on the iron tower at the monitoring point which cannot be reached by the hoisting crane.

As shown in fig. 1 and 2, the portable lifting device includes: the right angle transition joint 1, the horizontal suspension arm 2, the diagonal support column 3 and the support vertical arm 4. The horizontal boom 2 comprises a boom 21, and a support lug A22 for connecting with the diagonal support column 3 is arranged on the outer circumferential surface of the middle part of the boom 21.

The end threaded connection of the horizontal part of the right-angle transition joint 1 is arranged outside one end of the arm rod 21, and the right-angle transition joint 1 and the arm rod 21 can be detached before use, so that the transportation is convenient.

The supporting vertical arm 4 comprises an upper vertical column 41 and a lower vertical column 42 which are coaxially sleeved, in this example, the lower vertical column 42 is in threaded connection with an internal thread at a corresponding position of the upper vertical column 41 through an external thread so as to facilitate disassembly and assembly; the outer circumferential surface of the lower upright post 42 is provided with a support lug B43 for connecting with the oblique support post 3;

the bottom of the vertical part of the right-angle transition joint 1 is connected with the outside of the top end of the upper upright 41 through threads, before the right-angle transition joint 1 is used, the upper upright 41 can be disconnected with the right-angle transition joint 1, and the upper upright 41 can be taken out from the inside of the lower upright 42; before use, all parts are split, so that the effect of convenient transportation is achieved.

And an oblique support column 3 is detachably connected between the support lug A22 and the support lug B43, for example: two ends of the oblique support column 3 are respectively connected with the support lug A22 and the support lug B43 through bolts; or the bolt rods 5 which are respectively connected with the two ends of the oblique support column 3 in a pin way are respectively connected with the support lugs 22 and the support lugs B43 in a pin way, so that the disassembly and the assembly are convenient. When in lifting operation, the diagonal bracing column 3 is utilized to form a triangle structure to ensure the structural strength of the arm rod 21 and the right-angle transition joint 1 and the structural strength of the upper upright column 41 and the right-angle transition joint 1 after being connected.

By adopting the technical scheme:

the design can complete the rapid assembly work of the right-angle transition joint 1, the horizontal suspension arm 2 and the supporting vertical arm 4 by utilizing the right-angle transition joint 1 to connect one end of the arm rod 21 and one end of the upper vertical column 41 in a threaded manner and enabling the other end of the upper vertical column 41 to be inserted into the lower vertical column 42, and has the advantages of high construction efficiency and simplicity in operation; meanwhile, after the right-angle transition joint 1, the horizontal suspension arm 2 and the support vertical arm 4 are disassembled, an independent part with lighter weight can be obtained, and the device is small in size and convenient to transport; in addition, through setting up the oblique support column 3 under the armed lever 21 between the stand 42, can be with the help of triangle-shaped stability better characteristics, guaranteed the structural strength when supporting the standing arm 4, right angle transition joint 1 and horizontal davit 2 and accomplish the equipment and lift by crane the work.

Example 2:

based on embodiment 1, this embodiment describes a specific structure of the horizontal boom 2 and the support riser 4.

The bottom of the outer circumferential surface of the other end of the arm rod 21 is fixedly connected with a roller plate seat 24, a pulley 25 is pinned on the roller plate seat 24 through a shaft pin rod 26, and a limiting ring groove 27 is machined on the outer circumferential surface of the pulley 25.

The rope used for hoisting passes through the roller plate seat 24 and surrounds the pulley 25 and is positioned in the limit ring groove 27 on the outer circumference of the pulley 25, so that a user can conveniently hoist corresponding equipment and components on the ground manually.

As shown in fig. 2 and 4, the bottom of the lower upright post 42 is sleeved with a bearing 46, the outside of the bearing 46 is sleeved with a bearing sleeve 45, the bottom end of the bearing sleeve 45 is fixedly connected with a base 44, and the bearing sleeve 45 and the base 44 are generally integrally processed.

The bearing sleeve 45 is in interference fit with the outer ring of the bearing 46, and the bottom of the lower upright post 42 is in interference fit with the inner ring of the bearing 46; during the process of disassembling and transporting the components, the bearing 46 is not disassembled from the lower upright post 42 and the bearing sleeve 45.

The upper part of the outer circumferential surface of the end of the arm rod 21 is fixedly connected with a binding ring 23, and a rotary rope used in the lifting process is bound on the binding ring 23. The arm bar 21 (i.e. the whole formed by the right angle transition joint 1, the horizontal boom 2, the diagonal support column 3 and the support riser 4) is rotated about the axis of the bearing 46 by pulling the rotating rope, whereby the monitoring set on the rope is adjusted to the target position.

In a specific use process;

s1, binding monitoring equipment at one end of a rope which bypasses the outside of a pulley 25, and enabling the pulley 25 to rotate around a shaft pin rod 26 by a user through pulling the other end of the rope, so that the monitoring equipment with the weight not exceeding 150kg can be lifted to a target position on an iron tower;

s2, after the monitoring equipment is lifted to the required height through the rope, the rotating rope tied on the binding ring 23 is pulled to enable the arm rod 21 to rotate in the air around the axis of the bearing 46, and the end of the pulley 25 of the arm rod 21 is enabled to rotate to the required installation position of the monitoring equipment.

By adopting the technical scheme:

the above-mentioned design makes pulley 25 rotate around pivot rod 26 through the one end of the outside rope of pulley 25 of ground traction, can hoist and tie the supervisory equipment of tying at the rope other end, makes arm 21 rotate at the aerial lower stand 42 of winding through the rotatory rope of traction on tying the ring 23, conveniently rotates the one end of arm 21 to supervisory equipment required mounted position, cup joints bearing 46 in the bottom of lower stand 42 simultaneously, makes lower stand 42 bottom more smooth and easy in the inside pivoted in-process of bearing housing 45.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. A portable lifting device, comprising: the device comprises a right-angle transition joint (1), a horizontal suspension arm (2), an inclined support column (3) and a support vertical arm (4);

the horizontal suspension arm (2) comprises an arm rod (21), and a support lug A (22) is fixedly connected to the outer circumferential surface of the middle part of the arm rod (21);

the supporting vertical arm (4) comprises an upper stand column (41) and a lower stand column (42) which are coaxially sleeved and detachably connected, and a supporting lug B (43) is fixedly connected to the outer circumferential surface of the lower stand column (42);

two ends of the oblique support column (3) are detachably connected with the support lugs A (22) and the support lugs B (43) respectively;

the end part of the horizontal end of the right-angle transition joint (1) is in threaded connection with one end of the arm rod (21), and the end part of the vertical end is in threaded connection with the top of the upper upright post (41); the other end of the arm lever (21) is provided with a pulley (25) for enabling the hoisting rope to bypass.

2. The portable lifting device of claim 1, wherein: the two ends of the oblique support column (3) are respectively connected with the support lug A (22) and the support lug B (43) through bolts.

3. The portable lifting device of claim 1, wherein: the pulley (25) is pin-connected on a roller plate seat (24) at the end part of the arm lever (21) through a shaft pin rod (26); and a limiting ring groove (27) is formed in the outer circumferential surface of the pulley (25).

4. The portable lifting device of claim 1, wherein: the outer circumferential surface of the arm lever (21) is fixedly connected with a binding ring (23) for binding the rotary rope.

5. The portable lifting device of any of claims 1-4, wherein: the bottom of the lower upright post (42) is supported on a base (44) through a bearing (46), and specifically:

the base (44) is provided with a bearing sleeve (45), the outer ring of the bearing (46) is in interference fit with the bearing sleeve (45), and the inner ring of the bearing (46) is in interference fit with the lower upright post (42).