CN218520902U

CN218520902U - Electric hoist lifting appliance self-locking device

Info

Publication number: CN218520902U
Application number: CN202222696313.8U
Authority: CN
Inventors: 杨永胜; 周舟
Original assignee: Anhui Anli Material Technology Co Ltd
Current assignee: Anhui Anli Material Technology Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-02-24
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses an electric block hoist self-lock device, concretely relates to hoist auto-lock field, including the hoist main arm, a side end face of hoist main arm is fixed and is equipped with the erection joint piece, the terminal surface at hoist main arm middle part is equipped with the second linking arm, the junction of hoist main arm and second linking arm is equipped with first locking screw, the second linking arm is being equipped with the action bars outside the terminal surface is fixed in one side of keeping away from first locking screw. The utility model discloses in the in-service use time, can conveniently increase the convenience to the hoist operation under the corresponding connected state through the second linking arm that sets up and action bars, it is more laborsaving when making the workman use the hoist, simultaneously through the third linking arm and the first locking clamp splice that set up, can conveniently hoist the goods under the corresponding state of fourth linking arm and second locking clamp splice, simultaneously through the locking fixture block that sets up, the locking draw-in groove, can carry out automatic locking with the hoist under the corresponding set state of locking kelly and spacing connecting rod.

Description

Electric hoist lifting appliance self-locking device

Technical Field

The utility model relates to a hoist auto-lock field, more specifically say, the utility model relates to an electric block hoist self-lock device.

Background

With the development of industrialization, various devices and goods need to be transported and loaded and unloaded by using lifting appliances, which are of various types, and the lifting appliances are usually special riggings such as lifting hooks, steel wire ropes and chains. The electric hoist is a special hoisting device, is arranged on a crown block and a gantry crane, mainly works for lifting, pulling, loading and unloading heavy objects, and is suitable for mechanical equipment of building construction engineering, bridge construction, electric power, ships, automobile manufacturing, buildings, roads, bridges, metallurgy, mines, slope tunnels, well treatment protection and other basic construction engineering, and the electric hoist has the characteristics of small volume, light dead weight, simplicity in operation, convenience in use and the like, and is used for places such as industrial and mining enterprises, storage, wharfs and the like. The electric hoist has compact structure, and the motor axis is vertical to the axis of the winding drum and adopts a worm gear transmission device. The hydraulic system is in double control, and the electric control department adopts low-voltage control, thereby increasing the safety of the control system.

Electric block hoist in earlier stage adopts the welding stent couple form more, when carrying out the handling to large-scale and heavier goods, the both ends square steel must install anticreep roller card, and the operation is not convenient, and the risk of easily unhooking causes the influence to goods and workman's safety, and stability needs improve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an electric block hoist self-lock device, the utility model aims to solve the technical problem that: how to increase the stability of electric hoist and mount and adjust.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electric hoist self-lock device, includes the hoist main arm, the fixed erection joint piece that is equipped with of a side terminal surface of hoist main arm, the terminal surface at hoist main arm middle part is equipped with the second linking arm, the junction of hoist main arm and second linking arm is equipped with first locking screw, the second linking arm is equipped with the action bars in the fixed terminal surface in one side of keeping away from first locking screw, the hoist main arm is equipped with the third linking arm in a side terminal surface of keeping away from the erection joint piece, the second linking arm is equipped with the fourth linking arm in the terminal surface of keeping away from first locking screw, the junction of third linking arm and fourth linking arm is equipped with the second locking screw, the third linking arm is equipped with first locking clamp splice in the fixed one end side of keeping away from the hoist main arm, the fourth linking arm is equipped with second locking clamp splice in the fixed one end side of keeping away from the second linking arm, the junction of fourth linking arm and second linking arm is equipped with the third locking screw, the main arm is equipped with the outer terminal surface of third linking arm junction, the locking clamp splice block is equipped with the fixed locking clamp splice card slot that is equipped with one side terminal surface of locking screw, the hoist main arm and the connecting arm of third linking arm.

In a preferred embodiment, the inner end faces of the first locking screw, the second locking screw, the third locking screw and the fourth locking screw are provided with a pad.

In a preferred embodiment, the spreader main arm is provided in a shape inclined at an angle in a plan view, and the second connecting arm and the operating lever are provided in a shape inclined at an angle in a plan view.

In a preferred embodiment, the third connecting arm and the fourth connecting arm are arranged in a mirror image manner on two sides of the transverse central axis of the second locking screw in the top view direction, and the thickness of the third connecting arm in the front view direction is three times that of the fourth connecting arm.

In a preferred embodiment, the number of the locking clamping rods is two and is correspondingly arranged on two sides of the transverse central axis of the third locking screw in the front view direction, and the number of the locking clamping blocks and the number of the locking clamping grooves are two and is correspondingly arranged on two sides of the transverse central axis of the third locking screw in the front view direction.

In a preferred embodiment, the inner end surface of the locking clamping groove is matched with the outer end surface of the locking clamping rod, and a limiting connecting rod is fixedly arranged on the end surface of one side of the locking clamping block far away from the fourth locking screw.

The utility model discloses a technological effect and advantage:

this use is novel when in-service use, can conveniently increase the convenience of hoist operation under the corresponding connected state through the second linking arm that sets up and action bars, it is more laborsaving when making the workman use the hoist, simultaneously through the third linking arm and the first locking clamp splice that set up, can conveniently hoist the goods under the corresponding state of fourth linking arm and second locking clamp splice, simultaneously through the locking fixture block that sets up, the locking draw-in groove, can carry out automatic locking with the hoist under the corresponding set state of locking kelly and spacing connecting rod, the stability of hoist and mount is increased, through the new-type hoist self-lock device of innovative design, device structure parallelogram, utilize mechanical lever principle, 1 is tight to the work piece clamp, can make the goods hoist and mount more tight more than, the stability of effectual increase hoist work.

Drawings

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

FIG. 2 is a schematic view of the overall overlooking structure of the present invention

Fig. 3 is a schematic view of the overall bottom structure of the present invention.

Fig. 4 is a schematic view of the overall main view structure of the present invention.

FIG. 5 is a schematic view of the whole connection structure of the present invention

The reference signs are: the lifting appliance comprises a lifting appliance main arm 1, a mounting connecting block 2, a first locking screw 3, a second connecting arm 4, a fourth locking screw 5, a third connecting arm 6, a second locking screw 7, a fourth connecting arm 8, a first locking clamping block 9, a locking clamping block 10, a third locking screw 11, an operating rod 12, a locking clamping groove 13, a second locking clamping block 14, a locking clamping rod 15, a protection pad 16 and a limiting connecting rod 17.

Detailed Description

The utility model provides a as shown in fig. 1-5 an electric block hoist self-lock device, including hoist main arm 1, a side end face of hoist main arm 1 is fixed and is equipped with installation connecting block 2, the terminal surface at 1 middle part of hoist main arm is equipped with second linking arm 4, hoist main arm 1 is equipped with first locking screw 3 with the junction of second linking arm 4, second linking arm 4 is equipped with action bars 12 in the fixed terminal surface of one side of keeping away from first locking screw 3, a side end face of hoist main arm 1 keeping away from installation connecting block 2 is equipped with third linking arm 6, second linking arm 4 is equipped with fourth linking arm 8 at the terminal surface of keeping away from first locking screw 3, the junction of third linking arm 6 and fourth linking arm 8 is equipped with second locking screw 7, third linking arm 6 is fixed and is equipped with first locking clamp splice 9 in the one end side of keeping away from main arm 1, fourth linking arm 8 is equipped with second locking clamp splice 14 in the fixed terminal surface of the one end side of keeping away from second linking arm 4, fourth linking arm 8 is equipped with third locking clamp 11 with the junction of hoist main arm 4, the outside end face of hoist main arm 10 is equipped with locking clamp splice 10, and locking clamp splice 10, the end face of hoist main arm 10 is equipped with locking clamp 10.

Further, in the above solution, the inner end surfaces of the first locking screw 3, the second locking screw 7, the third locking screw 11 and the fourth locking screw 5 are all provided with a pad 16.

Further, in the above-mentioned scheme, the spreader main arm 1 is disposed in an angularly inclined shape in the overlooking direction, the second connecting arm 4 and the operating rod 12 are disposed in an angularly inclined state in the overlooking direction, so that convenience in use of the spreader main body can be increased, a worker can loosen the spreader main body by pulling the operating rod 12 upward after placing a hoisted cargo at a proper position, the third connecting arm 6 and the fourth connecting arm 8 are correspondingly disposed in mirror images on both sides of the transverse central axis of the second locking screw 7 in the overlooking direction, and the thickness of the third connecting arm 6 in the main overlooking direction is three times that of the fourth connecting arm 8, so that stability in use of the spreader can be increased.

Further, in the above scheme, the number of the locking clamping rods 15 is two, and the two locking clamping rods are correspondingly arranged on two sides of the transverse central axis of the third locking screw 11 in the main viewing direction, the number of the locking clamping blocks 10 and the number of the locking clamping grooves 13 are two, and the two locking clamping blocks are correspondingly arranged on two sides of the transverse central axis of the third locking screw 11 in the main viewing direction, the inner end face of each locking clamping groove 13 is matched with the outer end face of each locking clamping rod 15, so that the lifting appliance can be automatically locked and fixed in use, looseness during lifting work can be effectively avoided, the locking clamping block 10 is fixedly provided with the limiting connecting rod 17 on one end face far away from the fourth locking screw 5, the stability of the locking clamping block 10 can be increased, the position of the locking clamping block 10 can be limited, and the convenience in locking during use can be increased.

The utility model discloses the theory of operation:

the utility model discloses when carrying out the use, can use it after the hoist installation is stable, hoist the during operation afterwards, remove the hoist to suitable position, workman's hand is held action bars 12 and upwards spurs afterwards, action bars 12 can drive fourth linking arm 8 and shift up, at first locking screw 3 afterwards, second locking screw 7, thereby can make first locking clamp splice 9 and second locking clamp splice 14 break away from the convenience and lock and take off the goods under the connection status of third locking screw 11 and fourth locking screw 5, when hoist afterwards, the goods that will hoist and mount are placed in the inside of first locking clamp splice 9 and second locking clamp splice 14, when first locking clamp splice 9 and second locking clamp splice 14 lock afterwards, the locking clamp splice 10 of setting can fall voluntarily, can lock fixedly with locking draw bail 15 afterwards.

The points to be finally explained are: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric block hoist self-lock device, includes hoist main arm (1), its characterized in that: the lifting appliance comprises a lifting appliance main arm (1), a mounting connecting block (2) is fixedly arranged on the end face of one side of the lifting appliance main arm (1), a second connecting arm (4) is arranged on the end face of the middle part of the lifting appliance main arm (1), first locking screws (3) are arranged at the joint of the lifting appliance main arm (1) and the second connecting arm (4), an operating rod (12) is fixedly arranged on the outer end face of one side of the second connecting arm (4) far away from the first locking screws (3), a third connecting arm (6) is arranged on the end face of one side of the lifting appliance main arm (1) far away from the mounting connecting block (2), a fourth connecting arm (8) is arranged on the end face of the second connecting arm (4) far away from the first locking screws (3), a second locking screw (7) is arranged at the joint of the third connecting arm (6) and the fourth connecting arm (8), a first locking clamping block (9) is fixedly arranged on the side of one end far away from the lifting appliance (1) of the third connecting arm (6), a second locking clamping block (14) is fixedly arranged on the side of one end of the fourth connecting arm (8) far away from the second connecting arm (4), a clamping block (10) is arranged on the side of the connecting arm (6) far away from the locking clamping block (10) connected with the locking screw of the connecting arm (4), and a clamping block (10) is arranged on the end face of the locking clamp (10) of the connecting arm (10) of the lifting appliance main arm (6), and a locking clamping rod (15) is fixedly arranged on the end face of the outer side of the third locking screw (11), and a fourth locking screw (5) is arranged at the joint of the main arm (1) of the lifting appliance and the third connecting arm (6).

2. The self-locking device of the electric hoist lifting appliance according to claim 1, characterized in that: and the inner end faces of the first locking screw (3), the second locking screw (7), the third locking screw (11) and the fourth locking screw (5) are respectively provided with a protection pad (16).

3. The self-locking device of the electric hoist lifting appliance according to claim 1, characterized in that: the main arm (1) of the lifting appliance is arranged in an angle inclined shape in the overlooking direction, and the second connecting arm (4) and the operating rod (12) are arranged in an angle inclined shape in the overlooking direction.

4. The self-locking device of the electric hoist lifting appliance according to claim 1, characterized in that: the third connecting arm (6) and the fourth connecting arm (8) are arranged in a mirror image mode on two sides of the transverse central axis of the second locking screw (7) in the overlooking direction, and the thickness of the third connecting arm (6) in the main viewing direction is three times that of the fourth connecting arm (8).

5. The self-locking device of the electric hoist lifting appliance according to claim 1, characterized in that: the quantity of locking kelly (15) is equipped with two, and corresponds the both sides that set up the horizontal central axis who looks the direction at third locking screw (11) owner, the quantity of locking fixture block (10) and locking draw-in groove (13) is equipped with two, and corresponds the both sides that set up the horizontal central axis who looks the direction at third locking screw (11) owner.

6. The self-locking device of the electric hoist lifting appliance according to claim 1, characterized in that: the inner end face of the locking clamping groove (13) is matched with the outer end face of the locking clamping rod (15), and a limiting connecting rod (17) is fixedly arranged on the end face, far away from the fourth locking screw (5), of one side of the locking clamping block (10).