CN111532966A

CN111532966A - Translational outer hook lifting appliance

Info

Publication number: CN111532966A
Application number: CN202010464374.4A
Authority: CN
Inventors: 彭翔; 胡全心; 任泽兵; 周焱; 邹文泉; 曾毅
Original assignee: Dongfeng Design Institute Co Ltd
Current assignee: Dongfeng Design Institute Co Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-08-14

Abstract

The invention discloses a translational outer hook lifting appliance. The lifting device comprises lifting rings, chains, a sliding hook frame, a fixed hook frame, a locking handle and a sliding shaft, wherein one ends of the two chains are connected with the lifting rings, the other ends of the two chains are respectively connected with the sliding hook frame and the fixed hook frame, the sliding hook frame is connected to the sliding shaft in a sliding mode, and the fixed hook frame is fixed to the end head of the sliding shaft; the locking handle is installed on the sliding hook frame and used for locking the sliding hook frame, and the rod end fixing ring is installed at the end of the sliding shaft and used for limiting the sliding hook frame. According to the special clamping structure of the sliding hook frame, when the outer hook of the movable sliding hook plate is translated to a proper position, the locking handle is manually rotated to lock the clamping mechanism through threads, so that the clamping position is not displaced and is not loosened, the lifting process is more reliable, and the safety is higher.

Description

Translational outer hook lifting appliance

Technical Field

The invention belongs to the technical field of engineering machinery, and particularly relates to a translational outer hook lifting appliance.

Background

Taking an engineering machinery crawler crane factory as an example, the process links are different greatly, many parts are mainly lifted in the air, and especially, the crawler crane driving wheels and the guide wheels are more in number and higher in use frequency. In addition, due to the fact that market demands are high in style requirements, specifications of driving wheels and guide wheels are high (mainly, the difference between the diameter and the weight is large). Therefore, the reliability, operability and compatibility of the lifting carrier for products such as driving wheels, guide wheels and the like have high market demands. Present drive wheel hoist that has mainly has 2 kinds of forms, one kind is claw formula hoist, needs artifical adjusting nut to open the angle of 3 clamping jaws, realizes the centre gripping work piece that opens and shuts of clamping jaw, and the operation is very inconvenient very consuming time, and the complicated debugging of structure is consuming time more, also has great weight to increase the load of handling equipment. The second type is an electric permanent magnet carrier, the carrier is placed on the contact surface of a workpiece through a mold and absorbs and hoists the workpiece through electromagnetic attraction, the carrier in the structural form is relatively simple and convenient to operate, but the manufacturing cost is very high, particularly, the mold needs to be replaced at any time when the carrier faces the mixed production of multiple products, and the line replacement is very inconvenient. The invention is a very light translation type clamping hanger, has very simple operation and high reliability, and can be compatible with the clamping and hoisting of a plurality of driving wheels.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provide a translational outer hook lifting appliance. In particular to an air-lifting carrier for disk-shaped parts with steps (such as a crawler crane driving wheel and disk-shaped parts on an automobile axle) in an automobile factory.

The technical scheme adopted by the invention is as follows: a translational outer hook lifting appliance comprises lifting rings, chains, a sliding hook frame, a fixed hook frame, a locking handle and a sliding shaft, wherein one end of each of the two chains is connected with the lifting rings, the other end of each of the two chains is respectively connected with the sliding hook frame and the fixed hook frame, the sliding hook frame is connected to the sliding shaft in a sliding mode, and the fixed hook frame is fixed to the end head of the sliding shaft; the locking handle is installed on the sliding hook frame and used for locking the sliding hook frame, and the rod end fixing ring is installed at the end of the sliding shaft and used for limiting the sliding hook frame.

In the scheme, the chain and butterfly shackle is used for switching the fixed hook frame and the sliding hook frame, the other end of the connection is connected through the hanging ring, and the hanging hook of the lifting equipment can be lifted through the hanging ring; the sliding hook frame can be translated on the sliding shaft so as to adapt to the specifications and sizes of different product workpieces; when the sliding hook frame is manually translated to a proper position, the sliding hook frame is locked by rotating the locking handle so that the sliding hook frame cannot be translated and then can be lifted. The sliding shaft is used for bearing and providing a slideway for the sliding hook frame.

Further preferred structure, the slip hook frame includes slip clamping component and slip hook plate, the mounting hole that is used for connecting the chain is seted up on slip hook plate upper portion, and the bottom is the centre gripping hook, and the middle part is fixed with slip clamping component, slip clamping component middle part is used for fixed slip hook plate, and both sides are equipped with and are used for the epaxial shaft hole of sliding connection.

In a further preferred structure, the upper end face of the sliding clamping assembly is provided with a first through hole and a second through hole which are respectively used for installing a spring oil cup and a cotter pin, the cotter pin is matched and locked with the locking handle, the first through hole and the second through hole are communicated with the shaft hole, and the first through hole and the second through hole are perpendicular to the central axis of the shaft hole.

Further preferred structure, fixed hook frame includes fixed hook plate, connection rectangular pipe and fixed connection seat, the fixed connection seat center is seted up and is used for the cover in the epaxial shaft hole of slip, and both ends are connected with fixed hook plate through connecting the rectangular pipe respectively, two fixed hook plate all arranges outwards (is the contained angle and arranges), the mounting hole that is used for connecting the chain is seted up on fixed hook plate upper portion, and the bottom is the centre gripping hook claw, and the middle part is fixed with being connected the rectangular pipe.

In a further preferable structure, the rod end fixing ring is sleeved on the sliding shaft, and the end part of the rod end fixing ring is fixed through an inner hexagonal socket head cap screw, an elastic pad and a second flat pad. The main function is to stop the sliding hook frame at the end.

In a further preferred structure, the end of the fixing hook holder is fixed by a thin hexagonal fine-toothed nut and a third washer.

In a further preferred structure, the hanging ring is connected with the chain through a shackle.

Compared with the existing claw type lifting appliance and the electric permanent magnet lifting appliance, the structure provided by the invention is more convenient to operate, stable and reliable in operation, higher in efficiency, balanced in load, free of energy consumption, lower in cost and good in practicability and reliability.

The invention utilizes the sliding shaft for guiding to ensure that the movable outer hook slides linearly, thereby realizing stepless switching of the corresponding product diameter, having better compatibility and simpler and more convenient operation.

According to the special clamping structure of the sliding hook frame, when the outer hook of the movable sliding hook plate is translated to a proper position, the locking handle is manually rotated to lock the clamping mechanism through threads, so that the clamping position is not displaced and is not loosened, the lifting process is more reliable, and the safety is higher.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front view of the sliding hook frame;

FIG. 4 is a side view of the sliding hook frame;

FIG. 5 is a top view of the sliding hook frame;

FIG. 6 is a front view of the stationary hook frame;

FIG. 7 is a side view of the stationary hook frame;

FIG. 8 is a top view of the stationary hook frame;

fig. 9 is a schematic view of a sliding shaft structure.

Wherein: 1-a hoisting ring; 2-butterfly shackle; 3, a chain; 4-bow shackle; 5-sliding hook frame; 6-spring oil cup; 7-a first flat pad; 8-cotter pin; 9-locking a handle; 10-fixing a hook frame; 11-a rod end fixing ring; 12-hexagon socket cap screw; 13-a spring pad; 14-a second flat pad; 15-hexagonal thin fine-tooth nut; 16-a third flat pad; 17-a sliding shaft; 18-a workpiece; 501-sliding clamping assembly; 502-sliding hook plate; 503-axle hole; 504-a first via; 505 — a second via; 1001-fixed hook plate; 1002-connecting a rectangular pipe; 1003-fixing the connecting seat.

Detailed Description

The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.

As shown in fig. 1-2, the present invention includes a flying ring 1, and further includes chains 3, a sliding hook frame 5, a fixed hook frame 10, a locking handle 9, and a sliding shaft 17 (shown in fig. 9), wherein one end of each of the two chains 3 is connected to the flying ring 1 through a butterfly shackle 2, and the other end is connected to the sliding hook frame 5 and the fixed hook frame 10, respectively, the sliding hook frame 5 is slidably connected to the sliding shaft 17, and the fixed hook frame 10 is fixed to the end of the sliding shaft 17; the locking handle 9 is arranged on the sliding hook frame 5 and used for locking the sliding hook frame 5, and the rod end fixing ring 11 is arranged at the end of the sliding shaft 17 and used for limiting the sliding hook frame 5.

As shown in fig. 3-5, the sliding hook frame 5 includes a sliding clamping assembly 501 and a sliding hook plate 502, the upper portion of the sliding hook plate 502 is provided with a mounting hole for connecting the chain 3, the bottom portion is provided with a clamping hook, the middle portion is fixed to the sliding clamping assembly 501, the middle portion of the sliding clamping assembly 501 is used for fixing the sliding hook plate 502, and two sides are provided with shaft holes 503 for slidably connecting to the sliding shaft 17.

In the above scheme, the upper end surface of the sliding clamping assembly 501 is provided with a first through hole 504 and a second through hole 505 for installing the spring oil cup 6 and the cotter pin 8, the cotter pin 8 is locked by the locking handle 9, the first through hole 504 and the second through hole 505 are communicated with the shaft hole 503, and the central axes of the first through hole 504 and the second through hole 505 are perpendicular to the central axis of the shaft hole 503.

As shown in fig. 6 to 8, the fixed hook frame 10 includes a fixed hook plate 1001, a connecting rectangular tube 1002 and a fixed connection base 1003, the fixed connection base 1003 has a shaft hole formed in the center thereof for being sleeved on the sliding shaft 17, two ends of the fixed connection base are connected to the fixed hook plate 1001 through the connecting rectangular tube 1002, the two fixed hook plates 1001 are arranged outward, the upper portion of the fixed hook plate 1001 is provided with a mounting hole for connecting the chain 3, the bottom portion is provided with a clamping hook, and the middle portion is fixed to the connecting rectangular tube 1002.

The rod end fixing ring 11 is sleeved on the sliding shaft 17, and the end part of the rod end fixing ring is fixed through an inner hexagonal socket head cap screw 12, an elastic cushion 13 and a second flat cushion 14.

The end of the fixing hook frame 10 is fixed by a thin hexagonal fine-toothed nut 15 and a third flat pad 16.

The invention skillfully designs and utilizes the sliding hook frame translation mode to adapt to product workpieces with more specifications and sizes.

Those not described in detail in this specification are within the skill of the art.

Claims

1. The utility model provides a translation outer hook hoist, includes rings (1), its characterized in that: the lifting device is characterized by further comprising chains (3), sliding hook frames (5), fixed hook frames (10), locking handles (9) and sliding shafts (17), wherein one ends of the two chains (3) are connected with the lifting rings (1), the other ends of the two chains are respectively connected with the sliding hook frames (5) and the fixed hook frames (10), the sliding hook frames (5) are connected onto the sliding shafts (17) in a sliding mode, and the fixed hook frames (10) are fixed to the ends of the sliding shafts (17); the locking handle (9) is arranged on the sliding hook frame (5) and used for locking the sliding hook frame (5), and the rod end fixing ring (11) is arranged at the end of the sliding shaft (17) and used for limiting the sliding hook frame (5).

2. The translating outer hook spreader of claim 1, wherein: the sliding hook frame (5) comprises a sliding clamping assembly (501) and a sliding hook plate (502), a mounting hole for connecting the chain (3) is formed in the upper portion of the sliding hook plate (502), the bottom of the sliding hook plate is provided with a clamping hook claw, the middle of the sliding hook plate is fixed with the sliding clamping assembly (501), the middle of the sliding clamping assembly (501) is used for fixing the sliding hook plate (502), and shaft holes (503) which are used for being connected to the sliding shaft (17) in a sliding mode are formed in the two sides of the sliding clamping assembly (501).

3. A translating outer hook spreader according to claim 2 wherein: first through-hole (504), second through-hole (505) are seted up to slip clamping assembly (501) upper end face and are used for installing spring oil cup (6), split pin (8) respectively, split pin (8) and locking handle (9) cooperation locking, first through-hole (504), second through-hole (505) and shaft hole (503) intercommunication, just first through-hole (504), second through-hole (505) and the axis mutually perpendicular of shaft hole (503).

4. The translating outer hook spreader of claim 1, wherein: fixed hook frame (10) are including fixed hook plate (1001), connection rectangular pipe (1002) and fixed connection seat (1003), the shaft hole that is used for the cover on sliding shaft (17) is seted up at fixed connection seat (1003) center, and both ends are connected with fixed hook plate (1001) through connecting rectangular pipe (1002) respectively, two fixed hook plate (1001) all arranges outwards, the mounting hole that is used for connecting chain (3) is seted up on fixed hook plate (1001) upper portion, and the bottom is the centre gripping hook claw, and the middle part is fixed with connection rectangular pipe (1002).

5. The translating outer hook spreader of claim 1, wherein: the rod end fixing ring (11) is sleeved on the sliding shaft (17) and the end part of the rod end fixing ring is fixed through an inner hexagonal cylindrical head screw (12), an elastic pad (13) and a second flat pad (14).

6. The translating outer hook spreader of claim 1, wherein: the end part of the fixed hook frame (10) is fixed by a hexagonal thin-tooth nut (15) and a third flat gasket (16).

7. The translating outer hook spreader of claim 1, wherein: the hanging ring (1) is connected with the chain (3) through the shackle (2).