CN111362127A

CN111362127A - Take self-locking function's novel hoist

Info

Publication number: CN111362127A
Application number: CN202010352061.XA
Authority: CN
Inventors: 姜伟
Original assignee: Anhui Chengguang Seiko Mechanical And Electrical Technology Co ltd
Current assignee: Anhui Chengguang Seiko Mechanical And Electrical Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-07-03

Abstract

The invention discloses a novel lifting appliance with a self-locking function, which comprises a lifting arm, a connecting rod I and a connecting rod II, wherein one end of the connecting rod I is connected with one end of the connecting rod II, the end part of the lifting arm is hinged with a connecting point of the connecting rod I and the connecting rod II, the connecting rod II is of a three-connecting-end structure, the other two connecting ends of the connecting rod II are respectively connected with one end of a screw rod and one end of a lower lifting hook, the other end of the connecting rod I is connected with one end of a lifting hook, the middle part of the lifting hook is hinged with the middle part of the lower lifting hook, the other end of the lifting hook and the other end of. The device uses the crossed scissors lock structure to match with the two connecting rods, can well solve the problems of heavy slipping, workpiece falling and the like in the production process, achieves the smooth completion of clamping, locking, lifting and transferring of the workpiece, is safe and efficient, and reduces the labor intensity of workers.

Description

Take self-locking function's novel hoist

Technical Field

The invention relates to the technical field of lifting appliances, in particular to a novel lifting appliance with a self-locking function.

Background

In the production and processing process of products in the slewing bearing manufacturing industry, the work content of hoisting, operating and the like of annular parts always exists. The common hoisting method is to hook and hoist the lower surface of the outer circle of the workpiece at the point by two lifting hooks. The method is not easy to master the balance of the lifted workpiece, and unsafe conditions such as heavy slipping, falling of the workpiece and the like are easy to occur. Under the condition of frequently using the balance crane, the phenomenon of workpiece slipping frequently occurs, and the quality in the aspects of product collision, deformation and the like and hidden troubles in the aspect of production safety are seriously influenced and are difficult to eliminate.

Disclosure of Invention

The invention aims to provide a novel lifting appliance with a self-locking function, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take self-locking function's novel hoist, includes davit, connecting rod I and connecting rod II, II one ends of connecting rod are connected to I one end of connecting rod, the articulated tie point of connecting rod I and connecting rod II of davit tip, connecting rod II is three-connection end structure, two other links of connecting rod are connecting screw rod and lower lifting hook one end respectively, lifting hook one end is connected to I other end of connecting rod, the articulated lifting hook middle part down in lifting hook middle part, the lifting hook other end forms with the lower lifting hook other end and keeps silent, the lifting hook constitutes crisscross formula scissors lock structure with lower lifting hook, connecting piece fixed connection screw rod upper end is passed through at the dav.

Preferably, a spring is arranged between the connection point of the connecting rod I and the lifting hook and the connection point of the lower lifting hook and the connecting rod II.

Preferably, the end of the jaw formed by the lifting hook and the lower lifting hook is provided with a separation-preventing hook.

Preferably, the upper handle is installed at the junction of the lower lifting hook and the connecting rod II, and the lower handle corresponding to the end part of the lifting hook on the same side is installed.

Preferably, the scissors lock structure, the spring, the connecting rod I and the connecting rod II are respectively provided with two pairs and are respectively and symmetrically arranged on two sides of the screw rod and the suspension arm.

The invention has the technical effects and advantages that: the device uses the cross-shaped scissors lock structure to match with the two connecting rods, so that the problems of heavy slipping, workpiece falling and the like in the production process can be well solved, the clamping, locking, hoisting and transferring of the workpiece can be smoothly completed, the device is safe and efficient, the labor intensity of workers is reduced, the problems of collision, scratching and the like in the production process of the product are solved, the product quality is obviously improved, and the potential safety hazards of many years can be eradicated.

Drawings

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

FIG. 2 is a schematic diagram of the operation of the present invention;

FIG. 3 is a structural diagram of the scissors lock of the present invention;

fig. 4 is a schematic view of the connection of a connecting rod I and a connecting rod II.

In the figure: 1-suspension arm, 2-connecting rod I, 3-connecting rod II, 4-screw rod, 5-lower lifting hook, 6-lifting hook, 7-jaw, 8-scissor lock structure, 9-connecting piece, 10-spring, 11-unhooking prevention, 12-upper handle and 13-lower handle.

Detailed Description

In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

As shown in fig. 1-4, a novel lifting appliance with self-locking function comprises a suspension arm 1, a connecting rod i 2 and a connecting rod ii 3, one end of the connecting rod i 2 is connected with one end of the connecting rod ii 3, the end of the suspension arm 1 is hinged with a connecting point of the connecting rod i 2 and the connecting rod ii 3, the connecting rod ii 3 is of a three-connecting-end structure, the other two connecting ends of the connecting rod ii 3 are respectively connected with one end of a screw rod 4 and one end of a lower lifting hook 5, the other end of the connecting rod i 2 is connected with one end of a lifting hook 6, the middle part of the lifting hook 6 is hinged with the middle part of the lower lifting hook 5, the other end of the lifting hook 6 and the other end of the lower lifting hook form a jaw 7, the lifting hook.

Example 2

Preferably, a spring 10 is arranged between the connecting point of the connecting rod I2 and the lifting hook 6 and the connecting point of the lower lifting hook 5 and the connecting rod II 3, and the jaw 7 is always in a closed state by the spring 10.

Preferably, the end of the jaw 7 formed by said hook 6 and the lower hook 5 is provided with a mousing hook 11.

Preferably, an upper handle 12 is installed at the joint of the lower lifting hook 5 and the connecting rod II 3, a corresponding lower handle 13 is installed at the end part of the same side of the lifting hook 6, so that a user can conveniently open the jaw 7, and workpieces can be clamped conveniently and quickly.

Preferably, the scissors lock structure 8, the spring 10, the connecting rod I2 and the connecting rod II 3 are respectively provided with two pairs, and the two pairs are respectively and symmetrically arranged on two sides of the screw rod 4 and two sides of the suspension arm 1.

The process flow and the working principle of the invention are as follows: the jaw 7 of the crossed scissors lock structure 8 is used for carrying out point-to-point clamping on the inner circle, the outer circle and the thickness direction of one side of a workpiece, and one ends of the lifting hook 6 and the lower lifting hook 5 are pressed down through the connecting rod I2 and the connecting rod II 3 by utilizing the gravity principle, so that the jaw 7 is locked; after locking, the lifting hook is adjusted through the screw rod 4, the angle of the lifting arm 1 is adjusted, the lifting center of the lifting hook is coincided with the center of a product workpiece, and balanced and stable lifting and operation of the workpiece are guaranteed.

Finally, it should be noted that: 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

1. The utility model provides a take self-locking function's novel hoist, includes davit, connecting rod I and connecting rod II, its characterized in that: II one ends of connecting rod are connected to I one end of connecting rod, II tie points of I and II connecting rods of davit tip articulated connecting rod, II connecting rods are three connecting end structures, two other link of II connecting rods are connecting screw rod and lower lifting hook one end respectively, lifting hook one end is connected to I other end of connecting rod, the articulated lifting hook middle part down in lifting hook middle part, the lifting hook other end forms with the lower lifting hook other end and keeps silent, the lifting hook constitutes the crisscross scissors lock structure with lower lifting hook, the davit middle part is through connecting piece fixed connection screw rod upper end.

2. The novel lifting appliance with the self-locking function according to claim 1, wherein: and springs are arranged between the connecting point of the connecting rod I and the lifting hook and the connecting point of the lower lifting hook and the connecting rod II.

3. The novel lifting appliance with the self-locking function according to claim 1, wherein: the end of a jaw formed by the lifting hook and the lower lifting hook is provided with an anti-drop hook.

4. The novel lifting appliance with the self-locking function according to claim 1, wherein: an upper handle is installed at the joint of the lower lifting hook and the connecting rod II, and a corresponding lower handle is installed at the end part of the same side of the lifting hook.

5. The novel lifting appliance with the self-locking function according to claim 2, wherein: the scissors lock structure, the spring, the connecting rod I and the connecting rod II are respectively provided with two pairs and are respectively and symmetrically arranged on two sides of the screw rod and the suspension arm.