CN211496703U

CN211496703U - Electric chain hoist

Info

Publication number: CN211496703U
Application number: CN201921838216.XU
Authority: CN
Inventors: 郁正叶; 陆颖杰; 季丽萍; 郁程
Original assignee: Changshu Seagull Crane & Hoist
Current assignee: Changshu Seagull Crane & Hoist
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-15
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses an electric chain hoist relates to electric block technical field, aims at solving the lower problem of box intensity of electric chain hoist among the prior art. The technical scheme is that the box body is arranged in an L shape, a motor assembly cavity used for placing a motor is arranged at the right part of the upper half part in the box body, a transmission system cavity used for placing a transmission mechanism is arranged in the box body and on the left side of the motor assembly cavity, a chain assembly cavity used for placing a chain assembly is arranged at the right part of the lower half part in the box body, and a first reinforcing rib plate is arranged between the transmission system cavity and the motor assembly cavity. The space of box can make full use of, and because the setting of first deep floor, intensity that can effectual deep box.

Description

Electric chain hoist

Technical Field

The utility model belongs to the technical field of electric block technique and specifically relates to an electric chain block is related to.

Background

The electric chain hoist is a light and small type medium equipment, has small volume, light dead weight, convenient operation and reliable performance, can be matched with a single-beam crane, a suspension crane, a flexible KBK system, a cantilever crane or a fixed I-shaped rigid track and the like, is widely used in factories, mines, ports, warehouses and goods yards, particularly production and assembly lines, and has wide application range.

The electric chain hoist in the prior art mainly comprises a transmission mechanism, a motor and a chain, but the size of the electric chain hoist is large easily due to the unreasonable layout of the transmission mechanism, the motor and the chain, and the box body of the electric chain hoist is of a thin-wall structure, so that the electric chain hoist is low in strength, does not conform to the large-tonnage bearing tension, and is easy to damage the box body of the electric chain hoist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic endless chain calabash, it has the effect that can effectively improve box intensity.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an electronic endless chain calabash, includes motor, drive mechanism, chain subassembly and lifting hook, its characterized in that: still include the box, the box is L shape setting, the right part of the first half in the box is provided with the motor element die cavity that is used for placing the motor, the left side that just is located the motor element die cavity in the box is provided with the transmission system die cavity that is used for placing drive mechanism, the right part of the latter half in the box is provided with the chain component die cavity that is used for placing chain component, be provided with first deep floor between transmission system die cavity and the motor element die cavity.

Through adopting above-mentioned technical scheme, the intensity that can effectual reinforcement box body is set up to first deep floor to avoid the box body to receive the damage. On the other hand, the box space can be fully utilized, so that the electric chain hoist is compact in structure, small in size and convenient to transport. And on the premise of small box space, the electric chain hoist can be ensured to play the role.

The utility model discloses further set up to: the box body is internally provided with a limiting assembly cavity, the limiting assembly cavity is arranged at the lower part of the transmission system cavity, a limiting assembly is arranged in the limiting assembly cavity, and a second reinforcing rib plate is arranged between the limiting assembly cavity and the transmission system cavity.

Through adopting above-mentioned technical scheme, the intensity of reinforcement box that can be further is strengthened in the setting of second deep floor. On the other hand, spacing subassembly can restrict the position of chain subassembly to can avoid heavy object and box contact and cause the damage to the box.

The utility model discloses further set up to: the motor component cavity comprises a motor gear shaft cavity and a motor positioning cavity, and a third reinforcing rib plate is arranged between the motor gear shaft cavity and the transmission system cavity.

Through adopting above-mentioned technical scheme, the intensity of box can further be strengthened in the setting of third deep floor.

The utility model discloses further set up to: chain subassembly includes sprocket and chain, the chain is connected with the sprocket transmission, just any end of chain is connected with the lifting hook, the one end that just is located to be close to the lifting hook on the chain is provided with first compression spring.

Through adopting above-mentioned technical scheme, at the in-process of heavy object rebound, first compression spring can restrict the position of heavy object, can further avoid heavy object and box contact and cause the damage to the box.

The utility model discloses further set up to: a chain box is arranged below the box body, and one end, far away from the lifting hook, of the chain extends into the chain box and is provided with a second compression spring.

Through adopting above-mentioned technical scheme, when the chain was close to the one end downstream of lifting hook, the second compression spring can avoid the chain to break away from the sprocket.

The utility model discloses further set up to: the chain box is connected with the box body through a connecting chain, one end of the connecting chain is fixedly connected with the chain box, and the other end of the connecting chain is connected with the box body.

Through adopting above-mentioned technical scheme, the chain box passes through the connecting link with the box and is connected, can guarantee to strengthen the steadiness of chain box, avoids the chain box to break away from the box at the in-process that uses.

The utility model discloses further set up to: the outer side wall of the box body is provided with a hanging ring, and the hanging ring is connected with one end, far away from the chain box, of the connecting chain.

Through adopting above-mentioned technical scheme, can further increase the steadiness that chain box and box are connected.

The utility model discloses further set up to: the lifting hook comprises a hook body and a driving block, a groove is formed in the inner side wall of the hook body, a connecting block is formed between the groove and the hook body, and a connecting groove matched with the connecting block in a clamping and embedding mode is formed in the driving block.

Through adopting above-mentioned technical scheme, the connecting block stretches into the spread groove in, can strengthen the limiting displacement of lifting hook, avoids the heavy object to break away from the lifting hook.

To sum up, the utility model discloses a beneficial technological effect does:

1. the strength of the box body can be effectively enhanced through the arrangement of the motor assembly cavity, the transmission system cavity and the first reinforcing rib plate;

2. the strength of the box body can be further enhanced through the arrangement of the second reinforcing rib plate and the third reinforcing rib plate;

3. through the setting of first compression spring, second compression spring, further avoid heavy object and box contact and cause the damage to the box, and can prevent that the chain from breaking away from the sprocket.

Drawings

Fig. 1 is a sectional view of an electric chain block according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a side view of an electric chain block according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an electric chain block according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram for showing a connection relationship between the first compression spring and the first limiting plate according to the embodiment of the present invention;

fig. 6 is an enlarged view of a portion B in fig. 5.

In the figure, 1, a motor; 11. a transmission mechanism; 12. a chain assembly; 13. a sprocket; 14. a chain; 15. a hook; 16. a hook body; 17. a drive block; 18. a groove; 19. a hoisting ring; 2. a box body; 21. a connecting box; 22. a positioning box; 23. a motor assembly cavity; 24. a motor gear shaft cavity; 25. a motor positioning cavity; 26. a drive system cavity; 27. a chain assembly cavity; 28. a limiting component cavity; 29. a limiting component; 3. a first reinforcing rib plate; 31. a second reinforcing rib plate; 32. a third reinforcing rib plate; 4. a chain case; 41. an upper cover; 42. hanging a ring; 421. connecting a chain; 43. a first compression spring; 44. a first limit plate; 45. a second compression spring; 46. and a second limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an electric chain block, including motor 1, drive mechanism 11, chain subassembly 12 and lifting hook 15, still include box 2, and box 2 is whole to be L shape setting, and in this embodiment, box 2 is connected with connecting box 21 including connecting box 21 and the location case 22 that sets gradually, the lower terminal surface of location case 22, and location case 22 is linked together with connecting box 21, and the top of location case 22 is provided with rings 19. The right part in the location case 22 is provided with motor element die cavity 23, and is concrete, motor element die cavity 23 includes motor tooth axle die cavity 24 and motor location chamber 25, and motor 1 sets up in motor location chamber 25, and motor 1 is the motor fan, and motor 1's drive shaft stretches into in the motor tooth axle die cavity 24. A transmission system cavity 26 for placing the transmission mechanism 11 is arranged in the positioning box 22 and on the left side of the motor assembly cavity 23, the transmission system cavity 26 extends downwards into the connecting box 21, and a chain assembly cavity 27 for placing the chain assembly 12 is arranged in the connecting box 21 and on the right side of the transmission system cavity 26. A limiting component cavity 28 is further arranged in the connecting box 21, the limiting component cavity 28 is arranged at the lower part of the transmission system cavity 26 and is positioned on the left side of the chain component cavity 27, and a limiting component 29 is arranged in the limiting component cavity 28.

Referring to fig. 1 and 2, a first reinforcing rib plate 3 is arranged between the transmission system cavity 26 and the motor gear shaft cavity 24, and the first reinforcing rib plate 3 extends to the upper end face of the box body 2. A second reinforcing rib plate 31 is arranged between the limiting component cavity 28 and the transmission system cavity 26, and the second reinforcing rib plate 31 is connected with the inner bottom wall of the connecting box 21 and extends to the inner side wall of the left side of the connecting box 21. A third reinforcing rib plate 32 is arranged between the transmission system cavity 26 and the motor gear shaft cavity 24, and the third reinforcing rib plate 32 is connected with the first reinforcing rib plate 3.

Referring to fig. 3, a chain case 4 having an upward opening is disposed below the case 2, and an upper cover 41 is disposed at the opening of the chain case 4 to prevent impurities from entering the chain case 4. Two connecting chains 421 are fixedly connected to the upper cover 41, and taking one of the connecting chains 421 as an example, one end of the connecting chain 421, which is far away from the chain box 4, is connected to a hanging ring 42, and the hanging ring 42 is fixedly connected to the outer side wall of the box body 2.

Referring to fig. 2 and 4, the chain assembly 12 includes a sprocket 13 and a chain 14, the chain 14 is drivingly connected to the sprocket 13, one end of the chain 14 is connected to a hook 15, and the other end of the chain 14 extends into the chain case 4. The chain case 4 is filled with a lubricant for reducing wear of the chain 14.

Referring to fig. 5 and 6, a first compression spring 43 is sleeved on one end of the chain 14 close to the hook 15, one end of the first compression spring 43 close to the hook 15 is connected to the chain 14, and a first limiting plate 44 is disposed at the other end of the first compression spring 43. When the chain 14 moves upwards, the first limit plate 44 abuts against the outer side wall of the connecting box 21, so as to limit the positions of the chain 14 and the heavy object moving, and avoid the heavy object from contacting the box 2 and damaging the box 2. The second compression spring 45 is sleeved on one end of the chain 14, which is located far away from the lifting hook 15, one end of the second compression spring 45, which is far away from the lifting hook 15, is connected with the chain 14, the other end of the second compression spring 45 is provided with a second limiting plate 46, and specifically, the second limiting plate 46 is annular and is sleeved on the chain 14.

Referring to fig. 5 and 6, the hook 15 includes a hook body 16 and a driving block 17, and a groove 18 for the driving block 17 to extend into is formed on the inner side wall of the hook body 16, so that the position of the driving block 17 can be further limited, and a heavy object can be prevented from being separated from the hook body 16.

The implementation principle of the embodiment is as follows:

through the layout in the box body 2 and the arrangement of the first reinforcing rib plate 3, the second reinforcing rib plate 31 and the third reinforcing rib plate 32, the strength of the box body 2 can be effectively improved.

When the transmission mechanism 11 and the chain wheel 13 drive the chain 14 to drive the weight to move upwards, and when the first limiting plate 44 abuts against the bottom wall of the connecting box 21 and reaches the highest limit position, the weight can be prevented from contacting the box body 2 and damaging the box body 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an electronic chain block, includes motor (1), drive mechanism (11), chain subassembly (12) and lifting hook (15), its characterized in that: still include box (2), box (2) are L shape setting, the right part of the first half in box (2) is provided with motor element die cavity (23) that are used for placing motor (1), the left side that just is located motor element die cavity (23) in box (2) is provided with transmission system die cavity (26) that are used for placing drive mechanism (11), the right part of the latter half in box (2) is provided with chain component die cavity (27) that are used for placing chain component (12), be provided with first deep floor (3) between transmission system die cavity (26) and motor element die cavity (23).

2. The electric chain block of claim 1, wherein: the box body (2) is further internally provided with a limiting component cavity (28), the limiting component cavity (28) is arranged at the lower part of the transmission system cavity (26), a limiting component (29) is arranged in the limiting component cavity (28), and a second reinforcing rib plate (31) is arranged between the limiting component cavity (28) and the transmission system cavity (26).

3. The electric chain block of claim 1, wherein: the motor component die cavity (23) comprises a motor gear shaft die cavity (24) and a motor positioning cavity (25), and a third reinforcing rib plate (32) is arranged between the motor gear shaft die cavity (24) and the transmission system die cavity (26).

4. The electric chain block of claim 1, wherein: chain subassembly (12) are including sprocket (13) and chain (14), chain (14) are connected with sprocket (13) transmission, and either end of chain (14) is connected with lifting hook (15), the one end that is located near lifting hook (15) on chain (14) is provided with first compression spring (43).

5. The electric chain block of claim 4, wherein: a chain box (4) is arranged below the box body (2), and one end, far away from the lifting hook (15), of the chain (14) extends into the chain box (4) and is provided with a second compression spring (45).

6. The electric chain block of claim 5, wherein: the chain box (4) is connected with the box body (2) through a connecting chain (421), one end of the connecting chain (421) is fixedly connected with the chain box (4), and the other end of the connecting chain (421) is connected with the box body (2).

7. The electric chain block of claim 5, wherein: the outer side wall of the box body (2) is provided with a hanging ring (42), and the hanging ring (42) is connected with one end, far away from the chain box (4), of the connecting chain (421).

8. The electric chain block of claim 1, wherein: the lifting hook (15) comprises a hook body (16) and a driving block (17), and a groove (18) matched with the driving block (17) in a clamping and embedding manner is formed in the inner side wall of the hook body (16).