CN212101662U - A new type of spreader with self-locking function - Google Patents

Abstract

The utility model discloses a new type of hanger with self-locking function, which comprises a boom, a connecting rod I and a connecting rod II, one end of the connecting rod I is connected to one end of the connecting rod II, and the end of the boom is hinged with the connecting rod I The connection point with connecting rod II, the connecting rod II is a three-connecting end structure, the other two connecting ends of the connecting rod II are respectively connected to the screw rod and one end of the lower hook, and the other end of the connecting rod I is connected to one end of the hook, The middle part of the hook is hinged to the middle part of the lower hook, the other end of the hook and the other end of the lower hook form a jaw, the hook and the lower hook form a cross-shaped scissors lock structure, and the middle part of the boom is connected by The upper end of the connecting screw is fixedly connected. The device uses the cross-type scissor lock structure and the two connecting rods, which can solve the problems of partial weight slipping and workpiece falling in the production process, and achieve the smooth completion of clamping, locking, lifting and transfer of the workpiece. , which is both safe and efficient, reducing the labor intensity of workers.

Description

A new type of spreader with self-locking function

technical field

The utility model relates to the technical field of a sling, in particular to a novel sling with a self-locking function.

Background technique

In the process of product production and processing in the slewing bearing manufacturing industry, there is always the work content of lifting and running the ring parts. The commonly used hoisting method is to use two hooks to hang and hoist under the side of the outer circle at the opposite point of the workpiece. This method is not easy to grasp the balance of the lifting workpiece, and is prone to unsafe situations such as heavy slippage and workpiece falling. In the case of frequent use of balance cranes, the phenomenon of workpiece slippage often occurs, which seriously affects the quality of products such as bumps and deformations, and the hidden dangers in production safety are difficult to eradicate.

Utility model content

The purpose of the present invention is to provide a new type of hanger with self-locking function to solve the problems raised in the above background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: a new type of spreader with self-locking function, comprising a boom, a connecting rod I and a connecting rod II, one end of the connecting rod I is connected to one end of the connecting rod II, and the connecting rod I is connected to one end of the connecting rod II. The connecting point of the connecting rod I and the connecting rod II at the end of the boom is hinged. The connecting rod II is a three-connecting end structure. The other end of the hook is connected to one end of the hook, the middle part of the hook is hinged to the middle part of the lower hook, the other end of the hook and the other end of the lower hook form a jaw, and the hook and the lower hook form a cross-type scissors lock structure , the middle part of the boom is fixedly connected to the upper end of the screw rod through a connecting piece.

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

Preferably, the end of the jaw formed by the hook and the lower hook is provided with an anti-releasing hook.

Preferably, an upper handle is installed at the connection between the lower hook and the connecting rod II, and a corresponding lower handle is installed at the same side end of the hook.

Preferably, the scissors lock structure, the spring, the connecting rod I and the connecting rod II are provided with two pairs, which are symmetrically installed on both sides of the screw rod and the boom.

The technical effects and advantages of the utility model: the device uses the cross-type scissors lock structure to cooperate with the two connecting rods, which can well solve the problems of partial weight slipping and workpiece falling in the production process, and achieves the clamping of the workpiece, The smooth completion of locking, lifting and transfer is safe and efficient, reducing the labor intensity of workers, solving the problems of bumps and scratches in the production process, significantly improving product quality, and eradicating safety hazards for many years. .

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the working schematic diagram of the utility model;

Fig. 3 is the structural schematic diagram of the scissors lock of the present invention;

4 is a schematic diagram of the connection between connecting rod I and connecting rod II of the present invention.

In the picture: 1- boom, 2- connecting rod I, 3- connecting rod II, 4- screw rod, 5- lower hook, 6- hook, 7- jaw, 8- scissors lock structure, 9- connecting piece , 10-spring, 11-anti-decoupling, 12-upper handle, 13-lower handle.

Detailed ways

In order to make the technical means, creation features, goals and effects of the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with the specific illustrations. In the description of the present utility model, it should be noted that unless otherwise clear The terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, an integral connection or a mechanical connection, or an electrical connection ; It can be directly connected, or indirectly connected through an intermediate medium, and it can be connected within two components.

Example 1

As shown in Figures 1 to 4, a new type of spreader with self-locking function includes a boom 1, a connecting rod I2 and a connecting rod II3. One end of the connecting rod I2 is connected to one end of the connecting rod II3, and the boom 1 The connecting point of the connecting rod I2 and the connecting rod II3 is hinged at the end. The connecting rod II3 is a three-connection end structure. The other two connecting ends of the connecting rod II3 are respectively connected to one end of the screw rod 4 and the lower hook 5. The connecting rod The other end of I2 is connected to one end of the hook 6, the middle of the hook 6 is hinged to the middle of the lower hook 5, the other end of the hook 6 and the other end of the lower hook 5 form a jaw 7, and the hook 6 and the lower hook 5 form a jaw 7. 5. A cross-type scissors lock structure 8 is formed, and the middle part of the hanging arm 1 is fixed to the upper end of the connecting screw 4 through the connecting member 9.

Example 2

As shown in Figures 1 to 4, a new type of spreader with self-locking function includes a boom 1, a connecting rod I2 and a connecting rod II3. One end of the connecting rod I2 is connected to one end of the connecting rod II3, and the boom 1 The connecting point of the connecting rod I2 and the connecting rod II3 is hinged at the end. The connecting rod II3 is a three-connection end structure. The other two connecting ends of the connecting rod II3 are respectively connected to one end of the screw rod 4 and the lower hook 5. The connecting rod The other end of I2 is connected to one end of the hook 6, the middle of the hook 6 is hinged to the middle of the lower hook 5, the other end of the hook 6 and the other end of the lower hook 5 form a jaw 7, and the hook 6 and the lower hook 5 form a jaw 7. 5. A cross-type scissors lock structure 8 is formed, and the middle part of the hanging arm 1 is fixed to the upper end of the connecting screw 4 through the connecting member 9.

Preferably, a spring 10 is provided between the connecting point of the connecting rod I2 and the hook 6 and the connecting point of the lower hook 5 and the connecting rod II3, and the spring 10 keeps the jaws 7 in a closed state all the time.

Preferably, the end of the jaw 7 formed by the hook 6 and the lower hook 5 is provided with an anti-releasing hook 11 .

Preferably, an upper handle 12 is installed at the connection between the lower hook 5 and the connecting rod II3, and a corresponding lower handle 13 is installed at the same side end of the hook 6, which can facilitate the user to open the jaws 7 and clamp the workpiece. Convenient.

Preferably, the scissors lock structure 8 , the spring 10 , the connecting rod I2 and the connecting rod II3 are provided with two pairs, which are symmetrically installed on both sides of the screw rod 4 and the boom 1 respectively.

The technological process and working principle of the present utility model are as follows: through the jaws 7 of the cross-type scissors lock structure 8, the inner and outer circles and the thickness direction of one side of the workpiece are clamped point-to-point, and the principle of gravity is used to pass the connecting rod I2 and the connecting rod. II3 Press down one end of the hook 6 and the lower hook 5, so that the jaws 7 are locked; after locking, adjust the screw 4 to adjust the angle of the boom 1, so that the lifting center of the hook coincides with the center of the product workpiece. To ensure the balanced and stable lifting and operation of the workpiece.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (5)

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.

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