CN212127264U - Single-chain inverted-hanging circulating loop chain electric hoist - Google Patents
Single-chain inverted-hanging circulating loop chain electric hoist Download PDFInfo
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- CN212127264U CN212127264U CN202020621983.1U CN202020621983U CN212127264U CN 212127264 U CN212127264 U CN 212127264U CN 202020621983 U CN202020621983 U CN 202020621983U CN 212127264 U CN212127264 U CN 212127264U
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- chain
- steel ball
- groove
- electric hoist
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Abstract
The utility model provides a single chain hangs circulation loop chain electric hoist upside down, includes the chain on upper portion, connects the jack-up sprocket and the connection of chain lower part are in the lifting hook of jack-up sprocket lower part, characterized by, the chain middle part still is provided with chain rotary device, chain rotary device can 360 free rotations of level. The chain rotating device comprises a chain hook beam and a rotating joint, the upper end of the rotating joint is connected with the lower end of the upper section of the chain, the lower end of the rotating joint is connected with the chain hook beam, the upper end of the chain hook beam is connected with the rotating joint, the other end of the chain hook beam is connected with the upper end of the lower section of the chain, and the chain hook beam and the rotating joint can rotate freely around the horizontal 360 degrees of the joint. The utility model discloses at electric hoist chain middle part is installed additional chain rotary device, when promoting the chain if when taking place the kink the chain rotary device can have released the strength that the chain kinked is automatic, can not overturn the card chain, avoids the chain to warp and breaks, reduces and takes place the accident of falling.
Description
Technical Field
The utility model relates to a hang heavy device design technical field, especially relate to a circulation loop chain electric hoist is hung to single chain upside down.
Background
The chain link of the inverted electric hoist for lifting the current climbing frame is fixed, the chain is easy to turn over when being installed and lifted, and the chain is deformed and broken when being lifted to a small distance, so that a falling accident occurs.
Disclosure of Invention
In order to solve the problem, avoid the chain to warp and the rupture, reduce and take place the accident of falling, the utility model provides a single chain hangs circulation loop chain electric hoist upside down can release the strength of chain kink automatically, can not overturn the card chain.
The utility model discloses a realize through following technical scheme: the utility model provides a single chain hangs circulation loop chain electric hoist upside down, include the chain on upper portion, connect the jack-up sprocket and the connection of chain lower part are in the lifting hook of jack-up sprocket lower part, characterized by, the chain middle part still is provided with chain rotary device, chain rotary device can 360 free rotations of level.
The chain rotating device comprises a chain hook beam and a rotating joint, the upper end of the rotating joint is connected with the lower end of the upper section of the chain, the lower end of the rotating joint is connected with the chain hook beam, the upper end of the chain hook beam is connected with the rotating joint, the other end of the chain hook beam is connected with the upper end of the lower section of the chain, and the chain hook beam and the rotating joint can rotate freely around the horizontal 360 degrees of the joint.
The chain hook beam is characterized in that a bearing sleeve is arranged at one end of the chain hook beam, an annular inner steel ball groove is formed around the inner wall of the bearing sleeve, and a steel ball hole penetrating through the side wall of the bearing sleeve is further formed in the position, perpendicular to the inner steel ball groove, on the side wall of the bearing sleeve.
And a bearing column is arranged at one end of the rotary joint, can be inserted into the bearing sleeve, an outer steel bead groove is arranged around the outer wall of the bearing column, and after the bearing column is inserted into the bearing sleeve, the outer steel bead groove corresponds to the inner steel bead groove and is combined into a closed steel bead ring.
Through the steel ball hole, a steel ball can be placed into the steel ball ring.
The chain hook beam is provided with a chain groove at one end opposite to the bearing sleeve, the side wall of the chain groove is provided with a pin shaft hole vertically penetrating through the side wall of the chain groove, and the chain can be inserted into the chain groove and fixed in the chain groove through a pin shaft inserted in the pin shaft hole.
The chain is characterized in that one end of the rotating joint, which is opposite to the bearing column, is also provided with a chain hole, a pin shaft groove which vertically penetrates through the side wall of the chain hole is formed in the side wall of the chain hole, and the chain can be inserted into the chain hole and fixed in the chain hole through a pin shaft which is inserted into the pin shaft groove.
The diameter of the steel ball is 6 mm.
The quantity of steel ball is 12.
And after the steel ball is placed into the steel ball circular ring, the steel ball hole is sealed by using a bolt.
The utility model discloses in, when the kink appeared in the chain, rotary device can release torsion automatically, gets rid of the workman and ann the mistake that the brick appears, the troubleshooting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the chain hook beam of the present invention.
Fig. 3 is a schematic cross-sectional view of the chain hook beam of the present invention.
Fig. 4 is a schematic view of the structure of the rotary joint of the present invention.
Fig. 5 is a schematic cross-sectional view of the rotary joint of the present invention.
The attached drawings are as follows:
1. a chain; 2. a hoisting sprocket; 3. a hook; 4. a chain rotating device; 5. a chain hook beam;
6. a rotary joint; 7. steel balls;
5-1, bearing sleeves; 5-2, an inner steel ball groove; 5-3, steel bead holes; 5-4, chain groove; 5-5, pin shaft holes;
6-1, bearing columns; 6-2, an outer steel ball groove; 6-3, chain holes; 6-4, pin shaft groove.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a single chain hangs circulation loop chain electric hoist upside down, include chain (1) on upper portion, connect in jack-up sprocket (2) of chain (1) lower part and connection are in hook (3) of jack-up sprocket (2) lower part, characterized by, chain (1) middle part still is provided with chain rotary device (4), chain rotary device (4) can 360 free rotations of level.
Chain rotary device (4) includes chain hook roof beam (5) and swivel (6) again, swivel (6) upper end is connected the lower extreme of chain (1) upper segment, the lower extreme is connected chain hook roof beam (5), chain hook roof beam (5) upper end is connected swivel (6), the other end is connected the upper end of chain (1) hypomere, chain hook roof beam (5) with can wind 360 free rotations of junction level between swivel (6).
One end of the chain hook beam (5) is provided with a bearing sleeve (5-1), an annular inner steel bead groove (5-2) is arranged around the inner wall of the bearing sleeve (5-1), and a steel bead hole (5-3) penetrating through the side wall of the bearing sleeve (5-1) is further formed in the position, perpendicular to the inner steel bead groove (5-2), on the side wall of the bearing sleeve (5-1).
A bearing column (6-1) is arranged at one end of the rotary joint (6), the bearing column (6-1) can be inserted into the bearing sleeve (5-1), an outer steel ball groove (6-2) is arranged around the outer wall of the bearing column (6-1), and after the bearing column (6-1) is inserted into the bearing sleeve (5-1), the outer steel ball groove (6-2) corresponds to the inner steel ball groove (5-2) and is combined into a closed steel ball ring.
Through the steel ball hole (5-3), a steel ball (7) can be placed into the steel ball ring.
A chain groove (5-4) is further formed in one end, opposite to the bearing sleeve (5-1), of the chain hook beam (5), a pin shaft hole (5-5) which vertically penetrates through the side wall of the chain groove (5-4) is formed in the side wall of the chain groove (5-4), and the chain (1) can be inserted into the chain groove (5-4) and fixed in the chain groove (5-4) through a pin shaft inserted into the pin shaft hole (5-5).
A chain hole (6-3) is further formed in one end, opposite to the bearing column (6-1), of the rotating joint (6), a pin shaft groove (6-4) which vertically penetrates through the side wall of the chain hole (6-3) is formed in the side wall of the chain hole (6-3), and the chain (1) can be inserted into the chain hole (6-3) and fixed in the chain hole (6-3) through a pin shaft inserted into the pin shaft groove (6-4).
The diameter of the steel ball (7) is 6 mm.
The number of the steel balls (7) is 12.
And after the steel ball (7) is placed into the steel ball ring, the steel ball hole (5-3) is sealed by using a bolt.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which are apparent from the above disclosure and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. If the utility model discloses above-mentioned embodiment, adopt rather than the same or similar structure and the lifting means that lifts by crane of other structures that obtain, all be in the utility model discloses in the protection scope.
Claims (8)
1. The utility model provides a single chain hangs circulation loop chain electric hoist upside down, includes chain (1) on upper portion, connects hoisting sprocket (2) and the connection of chain (1) lower part are in lifting hook (3) of hoisting sprocket (2) lower part, characterized by, chain (1) middle part still is provided with chain rotary device (4), chain rotary device (4) can 360 free rotations of level.
2. The single-chain inverted-hanging circulating endless chain electric hoist as claimed in claim 1, characterized in that the chain rotating device (4) further comprises a chain hook beam (5) and a rotary joint (6), the upper end of the rotary joint (6) is connected with the lower end of the upper section of the chain (1), the lower end of the rotary joint is connected with the chain hook beam (5), the upper end of the chain hook beam (5) is connected with the rotary joint (6), the other end of the chain hook beam is connected with the upper end of the lower section of the chain (1), and the chain hook beam (5) and the rotary joint (6) can freely rotate around the joint horizontally by 360 degrees.
3. The single-chain inverted-hanging circulating ring chain electric hoist as claimed in claim 2, characterized in that one end of the chain hook beam (5) is provided with a bearing sleeve (5-1), an annular inner steel ball groove (5-2) is arranged around the inner wall of the bearing sleeve (5-1), and a steel ball hole (5-3) penetrating through the side wall of the bearing sleeve (5-1) is further arranged on the side wall of the bearing sleeve (5-1) at a position vertical to the inner steel ball groove (5-2);
a bearing column (6-1) is arranged at one end of the rotary joint (6), the bearing column (6-1) can be inserted into the bearing sleeve (5-1), an outer steel ball groove (6-2) is arranged around the outer wall of the bearing column (6-1), and after the bearing column (6-1) is inserted into the bearing sleeve (5-1), the outer steel ball groove (6-2) and the inner steel ball groove (5-2) correspond to each other and are combined into a closed steel ball ring;
through the steel ball hole (5-3), a steel ball (7) can be placed into the steel ball ring.
4. The single-chain inverted circulating endless chain electric hoist as claimed in claim 3, characterized in that a chain groove (5-4) is further provided on an end of the chain hook beam (5) opposite to the bearing housing (5-1), a pin shaft hole (5-5) vertically penetrating the side wall of the chain groove (5-4) is provided on the side wall of the chain groove (5-4), and the chain (1) can be inserted into the chain groove (5-4) and fixed in the chain groove (5-4) by a pin shaft inserted into the pin shaft hole (5-5).
5. The single-chain inverted circulating endless chain electric hoist as claimed in claim 3, characterized in that a chain hole (6-3) is further provided at an end of the rotary joint (6) opposite to the bearing column (6-1), a pin groove (6-4) vertically penetrating the side wall of the chain hole (6-3) is provided on the side wall of the chain hole (6-3), and the chain (1) can be inserted into the chain hole (6-3) and fixed in the chain hole (6-3) by a pin inserted into the pin groove (6-4).
6. The single-chain inverted circulating endless chain electric hoist as claimed in claim 3, characterized in that the steel balls (7) have a diameter of 6 mm.
7. The single-chain inverted circulating endless chain electric hoist as claimed in claim 3, characterized in that the number of the steel balls (7) is 12.
8. The single-chain inverted circulating endless chain electric hoist as claimed in claim 3, characterized in that after the steel ball (7) is placed into the steel ball ring, the steel ball hole (5-3) is closed with a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020621983.1U CN212127264U (en) | 2020-04-23 | 2020-04-23 | Single-chain inverted-hanging circulating loop chain electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020621983.1U CN212127264U (en) | 2020-04-23 | 2020-04-23 | Single-chain inverted-hanging circulating loop chain electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212127264U true CN212127264U (en) | 2020-12-11 |
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ID=73689282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020621983.1U Active CN212127264U (en) | 2020-04-23 | 2020-04-23 | Single-chain inverted-hanging circulating loop chain electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212127264U (en) |
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2020
- 2020-04-23 CN CN202020621983.1U patent/CN212127264U/en active Active
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