CN220886701U - Shock-absorbing lifting hook with screw pair - Google Patents
Shock-absorbing lifting hook with screw pair Download PDFInfo
- Publication number
- CN220886701U CN220886701U CN202322642024.4U CN202322642024U CN220886701U CN 220886701 U CN220886701 U CN 220886701U CN 202322642024 U CN202322642024 U CN 202322642024U CN 220886701 U CN220886701 U CN 220886701U
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- China
- Prior art keywords
- screw
- lifting
- connecting plate
- lifting hook
- guide sleeve
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- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000035939 shock Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 15
- 229910002804 graphite Inorganic materials 0.000 abstract description 15
- 239000010439 graphite Substances 0.000 abstract description 15
- 238000013016 damping Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a damping lifting hook with a screw pair, which comprises a spring seat, wherein the spring seat comprises an upper connecting plate and a lower connecting plate which are arranged at intervals, a lifting ring is fixedly connected on the upper connecting plate, a flange-shaped guide sleeve is arranged in the spring seat, the end face of a flange part of the guide sleeve is abutted against the lower surface of the upper connecting plate, the free end of the neck part of the guide sleeve penetrates through the lower connecting plate, a compression spring is sleeved on the neck part of the guide sleeve, a nut is fixedly connected in the end head of the neck part of the guide sleeve, a screw is connected in the nut, the free end of the screw extending out of the guide sleeve is connected with a lifting hook, the free end of the lifting hook is connected with an external lifting plug in a hanging manner, the screw pitch of the screw is consistent with that of the external lifting plug, and the screw pair with the same screw pitch as that of the lifting plug is increased on the premise of not changing the original damping effect, the external lifting plug is enabled to be free of descending in the process of screwing in an electrode, the lifting hook effectively protects a graphite electrode, and the device is applicable to industrial production.
Description
Technical Field
The utility model belongs to the technical field of graphite electrode lifting tools, and particularly relates to a damping lifting hook with a screw pair.
Background
The metallurgical industry in China develops rapidly, and especially the production capacity of graphite electrodes exceeds half of the world production capacity, the production of graphite electrodes and the improvement of production efficiency are extremely important, and the handling tool in the use of graphite electrodes is particularly important.
In the existing Chinese patent database, a graphite electrode lifting device is disclosed, the application number is CN201720897174.1, the application date is 2017-07-21, the device comprises a first lifting ring, a lifting column, a sleeve, a limiting boss, a lifting hook, a second lifting ring and an electrode adapter, wherein the first lifting ring is fixedly connected with one end of the lifting column, the other end of the lifting column is fixedly connected with the limiting boss, the sleeve is sleeved on the outer wall of the lifting column and can freely rotate along the circumferential direction of the lifting column, an elastic element is sleeved on the outer wall of the lifting column, the bottom end of the sleeve is fixedly connected with the lifting hook, and the lifting hook is hung with the second lifting ring, and the second lifting ring is fixedly connected with one end of the electrode adapter. The lifting device which is simple in structure, can freely rotate and has an elastic lifting function is particularly suitable for lifting application of the graphite electrode, so that the lifting efficiency of the graphite electrode is ensured, the installation precision between the graphite electrode and using equipment is ensured, and the running stability of the equipment is improved.
The damping lifting hook is used for lifting the plug to screw into the graphite electrode, and the lifting plug is screwed continuously, so that the crane lifting hook is required to be lowered continuously at the moment, the lowering speed of the crane lifting hook cannot be synchronous with the screwing speed of the lifting plug, and the screw thread of the electrode is always damaged.
Disclosure of utility model
The utility model aims to solve the technical problem that the damping lifting hook in the prior art is used for lifting a plug to screw into a graphite electrode, and because the lifting plug is screwed in continuously, the crane lifting hook is required to be lowered continuously at the moment, the lowering speed of the crane lifting hook cannot be synchronous with the screwing speed of the lifting plug, and the electrode threads are always damaged.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The utility model provides a take vice shock attenuation lifting hook of lead screw, including the spring holder, the spring holder is including upper junction plate and the lower junction plate that the interval set up, the rigid coupling has rings on the upper junction plate, is provided with flange form uide bushing in the spring holder, the flange portion terminal surface conflict of uide bushing is on the upper junction plate lower surface, and the neck free end of uide bushing runs through lower junction plate setting, compression spring has been cup jointed to the neck of uide bushing, and compression spring upper end conflict is on the flange portion surface of uide bushing, and the other end is contradicted on the upper surface of lower junction plate, and the rigid coupling has the nut in the neck end of uide bushing, and the nut internal rotation has connect the lead screw, extends to the outer lead screw free end of uide bushing and is connected with the lifting hook, and the lifting hook free end articulates and has the peripheral hardware to promote the stopper, lead screw pitch is unanimous with the pitch that the peripheral hardware promotes the stopper.
Compared with the prior art, the utility model has the following beneficial effects: the device has increased the screw pair that the pitch is the same with promotion stopper pitch under the prerequisite that does not change original shock attenuation effect, can make peripheral hardware promote the stopper at the in-process of screw in electrode, and the lifting hook need not to descend, has played the guard action effectively to graphite electrode, is applicable to in the industrial production, has very strong practicality.
As a preferable scheme, the upper connecting plate and the lower connecting plate are connected by a plurality of vertical pull rods.
As a preferable scheme, the free end of the screw rod positioned in the guide sleeve is connected with a limit sleeve, and the relation among the outer diameter d1 of the limit sleeve, the outer diameter d2 of the screw rod and the outer diameter d3 of the nut is as follows: d2 < d1 < d3.
As a preferable scheme, the end face of the limit sleeve is provided with a countersunk head hole, a countersunk head screw is arranged in the countersunk head hole, and the limit sleeve is connected with the end face of the screw rod through the countersunk head screw.
As a preferable scheme, the lifting hook comprises a base body fixedly connected with the free end of the screw rod, and the base body is hinged with a hook body.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the present utility model when connected to a peripheral lift plug.
In the figure: the lifting device comprises a spring seat 1, an upper connecting plate 101, a lower connecting plate 102, a pull rod 103, a lifting ring 2, a guide sleeve 3, a compression spring 4, a nut 5, a screw rod 6, a lifting hook 7, a seat 701, a hook 702, a lifting plug 8 and a limiting sleeve 9.
Detailed Description
The technical scheme of the application is further described and illustrated below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the shock-absorbing lifting hook with the screw pair comprises a spring seat 1, the spring seat 1 comprises an upper connecting plate 101 and a lower connecting plate 102 which are arranged at intervals, a lifting ring 2 is fixedly connected on the upper connecting plate 101, a flange-shaped guide sleeve 3 is arranged in the spring seat 1, the flange end face of the guide sleeve 3 is abutted against the lower surface of the upper connecting plate 101, the free end of the neck of the guide sleeve 3 penetrates through the lower connecting plate 102, a compression spring 4 is sleeved on the neck of the guide sleeve 3, the upper end of the compression spring 4 is abutted against the flange portion surface of the guide sleeve 3, the other end of the compression spring is abutted against the upper surface of the lower connecting plate 102, a nut 5 is fixedly connected in the neck end of the guide sleeve 3, a screw 6 is connected in the nut 5 in a rotating manner, the free end of the screw 6 extending out of the guide sleeve 3 is connected with a lifting hook 7, the free end of the lifting hook 7 is hooked with a peripheral lifting plug 8, and the pitch of the screw 6 is consistent with the pitch of the peripheral lifting plug 8. The upper connecting plate 101 and the lower connecting plate 102 are connected by a plurality of vertical pull rods 103. The free end of the screw rod 6 positioned in the guide sleeve 3 is connected with a limit sleeve 9, and the relation among the outer diameter d1 of the limit sleeve 9, the outer diameter d2 of the screw rod 6 and the outer diameter d3 of the nut 5 is as follows: d2 < d1 < d3. The end face of the limit sleeve 9 is provided with a countersunk hole, a countersunk screw is arranged in the countersunk hole, and the limit sleeve 9 is connected with the end face of the screw rod 6 through the countersunk screw. The lifting hook 7 comprises a base 701 fixedly connected with the free end of the screw rod 6, and a hook 702 is hinged on the base 701.
In the mill of smelting trade class, graphite electrode is in connection and use, lifting hook 7 must use with peripheral hardware lifting plug 8 cooperation, when peripheral hardware lifting plug 8 of lifting hook 7 below is used for the screw in graphite electrode, because lifting plug constantly screw in, just need the crane lifting hook constantly descend at this moment, and the device is when carrying out the operation that peripheral hardware lifting plug 8 screw in graphite electrode in, because the screw thread pair that forms between lead screw 6 and the nut 5, peripheral hardware lifting plug 8, lifting hook 7 and lead screw 6 synchronous rotation, thereby the crane lifting hook that makes to be connected with rings 2 need not to descend, bring very big convenience and swift for the operator, and do not change original cushioning effect.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (5)
1. Take shock attenuation lifting hook of lead screw pair, its characterized in that: including spring holder (1), spring holder (1) are including upper junction plate (101) and lower connecting plate (102) that the interval set up, the rigid coupling has rings (2) on upper junction plate (101), is provided with flange form uide bushing (3) in spring holder (1), flange portion terminal surface conflict of uide bushing (3) is on upper junction plate (101) lower surface, and neck free end of uide bushing (3) runs through lower junction plate (102) setting, compression spring (4) have been cup jointed to the neck of uide bushing (3), compression spring (4) upper end conflict is on the flange portion surface of uide bushing (3), and the other end conflict is on the upper surface of lower connecting plate (102), and rigid coupling has nut (5) in the neck end of uide bushing (3), and nut (5) internal joint has lead screw (6), extends to lead screw (6) free end outside uide bushing (3) and is connected with lifting hook (7), and lifting plug (8) have been hung to lifting screw pitch outside, lead screw (6) pitch is unanimous with peripheral hardware lifting plug (8).
2. The shock absorbing hanger with a screw assembly as claimed in claim 1, wherein: the upper connecting plate (101) and the lower connecting plate (102) are connected in a pulled mode through a plurality of vertical pull rods (103).
3. The shock absorbing hanger with a screw pair according to claim 2, wherein: the free end of the screw rod (6) positioned in the guide sleeve (3) is connected with a limit sleeve (9), and the relation among the outer diameter d1 of the limit sleeve (9), the outer diameter d2 of the screw rod (6) and the outer diameter d3 of the nut (5) is as follows: d2 < d1 < d3.
4. The shock-absorbing hanger with a screw pair as claimed in claim 3, wherein: the end face of the limit sleeve (9) is provided with a countersunk head hole, a countersunk head screw is arranged in the countersunk head hole, and the limit sleeve (9) is connected with the end face of the screw rod (6) through the countersunk head screw.
5. The shock absorbing hanger with a screw assembly as claimed in any one of claims 1 to 4, wherein: the lifting hook (7) comprises a base body (701) fixedly connected with the free end of the screw rod (6), and a hook body (702) is hinged on the base body (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642024.4U CN220886701U (en) | 2023-09-26 | 2023-09-26 | Shock-absorbing lifting hook with screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642024.4U CN220886701U (en) | 2023-09-26 | 2023-09-26 | Shock-absorbing lifting hook with screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220886701U true CN220886701U (en) | 2024-05-03 |
Family
ID=90872874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322642024.4U Active CN220886701U (en) | 2023-09-26 | 2023-09-26 | Shock-absorbing lifting hook with screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220886701U (en) |
-
2023
- 2023-09-26 CN CN202322642024.4U patent/CN220886701U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |