CN220519922U - Lifting chain capable of automatically injecting oil - Google Patents
Lifting chain capable of automatically injecting oil Download PDFInfo
- Publication number
- CN220519922U CN220519922U CN202321222702.5U CN202321222702U CN220519922U CN 220519922 U CN220519922 U CN 220519922U CN 202321222702 U CN202321222702 U CN 202321222702U CN 220519922 U CN220519922 U CN 220519922U
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- China
- Prior art keywords
- rotating shaft
- oil
- storage box
- ring
- oil storage
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Links
- 238000007789 sealing Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 61
- 239000010687 lubricating oil Substances 0.000 abstract description 24
- 239000002699 waste material Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a hoisting chain capable of automatically injecting oil, and relates to the technical field of hoisting chains, comprising a chain main body, wherein the top of the chain main body is connected with a lower retaining ring, and an upper retaining ring is arranged above the lower retaining ring; the lower retaining ring is connected with a rotating shaft body, two ends of the upper retaining ring are connected with shaft sleeves, and the shaft sleeves are sleeved on the rotating shaft body; the outer side of the top of the shaft sleeve is connected with an oil storage box; an arc chute is formed in the side wall of the upper half part of the inner ring of the shaft sleeve, the top of the arc chute is communicated with the bottom of the corresponding oil storage box, and a half ring body matched with the rotating shaft body is arranged in the shaft sleeve. When the lubricating oil on the rotating shaft body is consumed, the rotating shaft body rotates through the half ring body, and a large friction force exists between the rotating shaft body and the half ring body, and the half ring body slides and deflects along the circular arc chute on the inner wall of the shaft sleeve by virtue of the generated friction force, so that the oil filling hole on the half ring body is opened, and the lubricating oil is convenient to flow onto the rotating shaft body.
Description
Technical Field
The utility model relates to the technical field of lifting chains, in particular to a lifting chain capable of automatically injecting oil.
Background
The hoisting chain is an essential fetching device of the crane, and generally comprises a pull ring, a chain body, a connecting buckle and a hook, wherein the pull ring and the hook are connected with the chain body through the connecting buckle;
the Chinese patent grant bulletin number is CN209309224U, and the name is a hoisting chain capable of automatically injecting oil, and the hoisting chain comprises an upper connecting buckle, a lower connecting buckle and a shaft rod, wherein the shaft rod is connected with the lower connecting buckle, a clamping groove which is in matched connection with the shaft rod is connected to the upper connecting buckle, an oil storage groove and a sealing block are arranged on the upper connecting buckle, a top block matched with the sealing block is arranged on the shaft rod, and the top block can continuously squeeze the sealing block in the rotating process of the shaft rod, so that the sealing block is opened, and lubricating oil in the oil storage groove is convenient to flow out;
the defects of the prior art scheme are that: above-mentioned scheme is though can be at the axostylus axostyle rotation in-process automatic lubrication oil addition, but every turn axostylus axostyle rotates and all can act on the sealing block through the kicking block, leads to lubricating oil to constantly discharge, no matter whether the axostylus axostyle has lubricating oil promptly, all can discharge lubricating oil, just so can lead to lubricating oil excessive use, causes the waste.
Disclosure of Invention
The utility model aims to provide a lifting chain capable of automatically injecting oil, which solves the technical problem that the lifting chain capable of automatically injecting oil in the prior art is easy to excessively use lubricating oil in the use process, so that waste is caused.
The technical problems to be solved by the utility model can be realized by the following technical scheme:
the hoisting chain capable of automatically injecting oil comprises a chain main body, wherein the top of the chain main body is connected with a lower retaining ring, an upper retaining ring is arranged above the lower retaining ring, and a hook is connected to the upper retaining ring; the lower retaining ring is connected with a rotating shaft body, two ends of the upper retaining ring are connected with shaft sleeves, and the shaft sleeves are sleeved on the rotating shaft body;
the outer side of the top of the shaft sleeve is connected with an oil storage box; the oil storage device comprises a shaft sleeve, and is characterized in that an arc chute is formed in the side wall of the upper half part of the inner ring of the shaft sleeve, the top of the arc chute is communicated with the bottom of a corresponding oil storage box, a half ring body matched with a rotating shaft body is arranged in the shaft sleeve, the half ring body is in sliding connection with the arc chute, a limiting spring is connected between the half ring body and the arc chute, a plurality of oil filling holes aligned with the bottom of the oil storage box are formed in the half ring body, and a plugging mechanism matched with the oil filling holes is connected to the inner bottom of the oil storage box.
As a further scheme of the utility model: the plugging mechanism comprises a sealing block and a connecting frame, wherein the connecting frame is connected to the inner bottom of the oil storage box, the sealing block is matched with the oil filling hole, and the sealing block is connected with the connecting frame.
As a further scheme of the utility model: the inner bottom edge position of the oil storage box is connected with a rubber sealing ring, and the rubber sealing ring is attached to the semi-ring body.
As a further scheme of the utility model: limiting blocks are arranged at two ends of the rotating shaft body.
As a further scheme of the utility model: the top of the oil storage box is provided with an adding port, and the adding port is provided with a rubber plug in a matched manner.
As a further scheme of the utility model: the limiting springs are arranged at two ends of the semi-ring body respectively.
The utility model has the beneficial effects that:
1. the lower retaining ring connected with the chain main body is in matched rotation connection with the upper retaining ring connected with the hook through the rotating shaft body and the shaft sleeve, when lubricating oil exists between the rotating shaft body and the shaft sleeve, the friction force between the rotating shaft body and the shaft sleeve as well as between the rotating shaft body and the semi-ring body is small, the rotating shaft body rotates through the semi-ring body when the lubricating oil on the rotating shaft body is consumed, and larger friction force exists between the rotating shaft body and the semi-ring body, and at the moment, the semi-ring body slides and deflects along the circular arc chute on the inner wall of the shaft sleeve by virtue of the generated friction force, so that the oil filling hole on the semi-ring body is opened, lubricating oil is convenient to flow onto the rotating shaft body, automatic oil filling is realized, and the oil is only added when the lubricating oil is consumed, and waste is avoided;
2. the oil storage box is used for storing lubricating oil to be added, and the oil storage box is provided with an adding port, so that manual addition can be performed when the oil quantity in the oil storage box is insufficient.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;
fig. 3 is a schematic cross-sectional structure of the shaft sleeve, the semi-ring body and the rotating shaft body in the utility model.
In the figure: 1. a chain main body; 2. a lower snap ring; 3. a rotating shaft body; 4. a shaft sleeve; 5. an upper retaining ring; 6. an oil storage box; 7. an addition port; 8. a rubber stopper; 9. a limiting block; 10. a half-ring body; 11. an oil filling hole; 12. a closing block; 13. a connecting frame; 14. a rubber seal ring; 15. arc chute; 16. a limit spring; 17. a hook.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, a lifting chain capable of automatically injecting oil comprises a chain main body 1, wherein the top of the chain main body 1 is connected with a lower retaining ring 2, and the bottom of the chain main body 1 can be connected with an assembly for connecting heavy objects so as to facilitate lifting; an upper retaining ring 5 is arranged above the lower retaining ring 2, a hook 17 is connected to the upper retaining ring 5, and the hook 17 is used for being connected with a lifting driving end of lifting equipment;
the lower retaining ring 2 is connected with the rotating shaft body 3, the two ends of the upper retaining ring 5 are connected with the shaft sleeve 4, the shaft sleeve 4 is sleeved on the rotating shaft body 3, the two ends of the rotating shaft body 3 are provided with the limiting blocks 9, the limiting blocks 9 prevent the shaft sleeve 4 from being separated from the rotating shaft body 3, and the rotating shaft body 3 can rotate relative to the shaft sleeve 4 so as to facilitate the use of the chain main body 1;
the outside of the top of the shaft sleeve 4 is connected with an oil storage box 6, lubricating oil is filled in the oil storage box 6, the top of the oil storage box 6 is provided with an adding port 7, the adding port 7 is convenient for adding lubricating oil into the oil storage box 6, the adding port 7 is matched with a rubber plug 8, and the rubber plug 8 is used for sealing the adding port 7;
the side wall of the upper half part of the inner ring of the shaft sleeve 4 is provided with an arc chute 15, the top position of the arc chute 15 is communicated with the bottom of the corresponding oil storage box 6, the inside of the shaft sleeve 4 is provided with a half ring body 10 matched with the rotating shaft body 3, the half ring body 10 is attached to the rotating shaft body 3, when the rotating shaft body 3 rotates relative to the shaft sleeve 4 under normal conditions, the rotating shaft body 3 also rotates relative to the half ring body 10, the half ring body 10 is in sliding connection with the arc chute 15, a limit spring 16 is connected between the half ring body 10 and the arc chute 15, the limit springs 16 are provided with two and are respectively distributed at two ends of the half ring body 10, the half ring body 10 can seal the communication position of the arc chute 15 and the oil storage box 6, the half ring body 10 is provided with a plurality of oil holes 11 aligned with the bottom of the oil storage box 6, the inner bottom of the oil storage box 6 is connected with a sealing mechanism matched with the oil holes 11, the sealing mechanism comprises a sealing block 12 and a connecting frame 13, the connecting frame 13 is connected to the inner bottom of the oil storage box 6, the sealing block 12 is matched with the oil holes 11, and the sealing block 12 is connected with the connecting frame 13 through a rod body;
when lubricating oil exists on the rotating shaft body 3 and can normally rotate relative to the shaft sleeve 4, friction force generated between the rotating shaft body 3 and the half ring body 10 in the rotating process is insufficient to enable the limiting spring 16 to deform, so that the half ring body 10 is fixed relative to the shaft sleeve 4, each sealing block 12 is fixed relative to the oil filling hole 11, the oil filling hole 11 is kept sealed, lubricating oil in the oil storage box 6 cannot leak out, when the lubricating oil between the rotating shaft body 3 and the shaft sleeve 4 is consumed, the rotating shaft body 3 rotates through the half ring body 10, larger friction force can be generated between the rotating shaft body 3 and the half ring body 10, when the friction force exceeds a certain value, namely, the rotating shaft body 3 cannot normally rotate relative to the shaft sleeve 4 and the half ring body 10, the rotating shaft body 3 can enable the half ring body 10 to overcome the elasticity of the limiting spring 16, so that the half ring body 10 slides and deflects along the circular arc chute 15, once the half ring body 10 deflects, the oil filling hole 11 on the half ring body 10 is separated from the sealing block 12, and the lubricating oil in the oil storage box 6 can conveniently pass through the half ring body 10, and the opened oil filling hole 11 flows onto the rotating shaft body 3 to realize automatic lubrication of the rotating shaft 3;
the rubber sealing ring 14 is connected to the inner bottom edge position of the oil storage box 6, and the rubber sealing ring 14 is attached to the semi-ring body 10, and the rubber sealing ring 14 is used for preventing lubricating oil from leaking out of the bottom edge position of the oil storage box 6.
The working principle of the utility model is as follows: the top of the chain main body 1 is connected with the lower retaining ring 2, and the lower retaining ring 2 is matched with the shaft sleeve 4 through the rotating shaft body 3 and is rotationally connected with the upper retaining ring 5, the upper retaining ring 5 is connected with the lifting driving end of lifting equipment through the hook 17, lubricating oil exists on the rotating shaft body 3 in the normal use process of the chain main body 1, the lubricating oil can effectively rotate relative to the shaft sleeve 4, friction force generated between the rotating shaft body 3 and the semi-ring body 10 in the process is insufficient to enable the limiting spring 16 to deform, so that the semi-ring body 10 is fixed relative to the shaft sleeve 4, each sealing block 12 is fixed relative to the oil filling hole 11, the oil filling hole 11 is kept to be sealed, lubricating oil in the oil storage box 6 cannot leak out, when the lubricating oil between the rotating shaft body 3 and the shaft sleeve 4 is consumed, a large friction force can be generated between the rotating shaft body 3 and the semi-ring body 10, and when the friction force exceeds a certain value, namely, the rotating shaft body 3 cannot normally rotate relative to the shaft sleeve 4 and the semi-ring body 10, the rotating shaft body 3 can enable the semi-ring body 10 to overcome the elasticity of the limiting spring 16, so that the semi-ring body 10 slides and deflects along the sliding chute 15, once the semi-ring body 10 is fixed relative to the shaft sleeve 4, the sealing blocks 12 are separated from the oil filling hole 11, the semi-ring body 11 automatically passes through the sealing oil storage box 11, and the oil storage box 11 is opened, and the oil filling hole 11 is opened, and the rotating through the semi-ring body 11 is opened, and the rotating body 11 is opened.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The hoisting chain capable of automatically injecting oil comprises a chain main body (1), wherein the top of the chain main body (1) is connected with a lower retaining ring (2), an upper retaining ring (5) is arranged above the lower retaining ring (2), and a hook (17) is connected to the upper retaining ring (5); the lower retaining ring (2) is connected with a rotating shaft body (3), the two ends of the upper retaining ring (5) are connected with shaft sleeves (4), and the shaft sleeves (4) are sleeved on the rotating shaft body (3); the method is characterized in that:
the outer side of the top of the shaft sleeve (4) is connected with an oil storage box (6); the novel oil storage box comprises a shaft sleeve (4), and is characterized in that an arc chute (15) is formed in the side wall of the upper half part of the inner ring of the shaft sleeve (4), the top of the arc chute (15) is communicated with the bottom of a corresponding oil storage box (6), a half ring body (10) matched with a rotating shaft body (3) is arranged in the shaft sleeve (4), the half ring body (10) is slidably connected with the arc chute (15), a limit spring (16) is connected between the half ring body (10) and the arc chute (15), a plurality of oil injection holes (11) aligned with the bottom of the oil storage box (6) are formed in the half ring body (10), and a plugging mechanism matched with the oil injection holes (11) is connected to the inner bottom of the oil storage box (6).
2. The hoisting chain capable of automatically injecting oil according to claim 1, wherein the blocking mechanism comprises a sealing block (12) and a connecting frame (13), the connecting frame (13) is connected to the inner bottom of the oil storage box (6), the sealing block (12) is matched with the oil injection hole (11), and the sealing block (12) is connected with the connecting frame (13).
3. The hoisting chain capable of automatically filling oil according to claim 1, wherein a rubber sealing ring (14) is connected to the inner bottom edge position of the oil storage box (6), and the rubber sealing ring (14) is attached to the half ring body (10).
4. The hoisting chain capable of automatically injecting oil according to claim 1, wherein limiting blocks (9) are arranged at two ends of the rotating shaft body (3).
5. The hoisting chain capable of automatically injecting oil according to claim 1, wherein an adding port (7) is formed in the top of the oil storage box (6), and a rubber plug (8) is arranged on the adding port (7) in a matched mode.
6. The hoisting chain capable of automatically injecting oil according to claim 1, wherein two limit springs (16) are arranged at two ends of the semi-ring body (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222702.5U CN220519922U (en) | 2023-05-19 | 2023-05-19 | Lifting chain capable of automatically injecting oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222702.5U CN220519922U (en) | 2023-05-19 | 2023-05-19 | Lifting chain capable of automatically injecting oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220519922U true CN220519922U (en) | 2024-02-23 |
Family
ID=89935892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321222702.5U Active CN220519922U (en) | 2023-05-19 | 2023-05-19 | Lifting chain capable of automatically injecting oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220519922U (en) |
-
2023
- 2023-05-19 CN CN202321222702.5U patent/CN220519922U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |