CN204381771U - A kind of device utilizing dry ice Cold assembled bushing - Google Patents
A kind of device utilizing dry ice Cold assembled bushing Download PDFInfo
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- CN204381771U CN204381771U CN201520033488.8U CN201520033488U CN204381771U CN 204381771 U CN204381771 U CN 204381771U CN 201520033488 U CN201520033488 U CN 201520033488U CN 204381771 U CN204381771 U CN 204381771U
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- dry ice
- inner bag
- shell
- assembled
- bung
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Abstract
A kind of device utilizing dry ice Cold assembled bushing, comprise heat-preserving container, heat-preserving container is made up of shell, inner bag, bung, bottom inner bag, be provided with one strengthen pad, heat-preservation liner is placed in shell, and lining to be assembled is arranged in inner bag, and the gap between described inner bag and lining to be assembled is covered with dry ice, be provided with dry ice in described lining to be assembled, bung and body seal assemble.A kind of device utilizing dry ice Cold assembled bushing of the utility model, can utilize dry ice to be incubated by lining heat-preserving container very easily, and whole apparatus structure is simple, and easy to operate, safety coefficient is high.
Description
Technical field
A kind of device utilizing dry ice Cold assembled bushing of the utility model, makes lining fast cooling shrink elastic conjunction, relates to Automatic manual transmission field.
Background technology
In the Mechanical Assembling Method commonly used, generally adopt when relating to elastic conjunction that mechanical type is clamp-oned by force, cold charge or hot charging, mechanical type assembles the occasion being only directed to the magnitude of interference and being not more than 0.05mm by force, the more mechanical assembly method by force of hot-assembling method can overcome mechanical damage, but the thermal efficiency is low, energy consumption is large, and when needing the volume of part of the external diameter coordinated much larger than the part of cooperation internal diameter, will pay the utmost attention to cold setting.Present cold charge is all generally the liquid nitrogen assembling adopted, and needs to be equipped with corresponding equipment, expensive, and returns to normal temperature and need the time long after cooling, is not suitable for the assembling of small lot.Be directed to the elastic conjunction of small lot, just need look for the assembling mode of alternative liquid nitrogen.
Summary of the invention
In order to overcome above-mentioned technical problem, the utility model provides a kind of device utilizing dry ice Cold assembled bushing, is used for assembling specific lining part, simple to operate, is particularly suitable for the assembly work of small lot.
The technical scheme that the utility model is taked is:
A kind of device utilizing dry ice Cold assembled bushing, comprise heat-preserving container, heat-preserving container is made up of shell, inner bag, bung, bottom inner bag, be provided with one strengthen pad, heat-preservation liner is placed in shell, and lining to be assembled is arranged in inner bag, and the gap between described inner bag and lining to be assembled is covered with dry ice, be provided with dry ice in described lining to be assembled, bung and body seal assemble.
Described shell is the tubbiness that stainless steel material processes, and shell is welded with a pair hoisting ring.
Described inner bag is that foamed material is made, and the external diameter of inner bag and the diameter compatible of shell close, and the degree of depth of the aspect ratio shell of inner bag is low.
The described circular pad strengthened pad and make for stainless steel material, strengthens pad diameter less than inner bag internal diameter.
The diameter of described bung matches with internal diameter of outer cover, and the lower surface of bung contacts with the upper surface of inner bag.
Described bung is provided with handle, and described bung is the lid that foamed material is made, and is provided with air-vent.
The top of described lining to be assembled is provided with a step, is provided with lifting eye at the upper surface of step.
Described outer casing thickness is 3mm, and inner bag thickness is 30mm, and reinforcement mat thickness is 3mm, and bung thickness is 30mm.
A kind of device utilizing dry ice Cold assembled bushing of the utility model, after lining process to be assembled, by driving, lining is hung in heat-preserving container, then appropriate dry ice is placed in lining and between lining and heat-preservation liner, cover bung, temperature retention time is determined depending on the size of the magnitude of interference, then opens bung, lining is hung in rapidly in body endoporus, namely completes assembling.
A kind of device utilizing dry ice Cold assembled bushing of the utility model, can utilize dry ice to be incubated by lining heat-preserving container very easily, and whole apparatus structure is simple, and easy to operate, safety coefficient is high.
Accompanying drawing explanation
Fig. 1 is the utility model device heat-preserving container work breakdown structure (WBS) schematic diagram.
Fig. 2 is the utility model device heat-preserving container assembling schematic diagram.
Fig. 3 is that the utility model device lining and body assemble schematic diagram.
Fig. 4 is that lining of the present utility model and body assemble rear result schematic diagram.
Fig. 5 is bush structure schematic diagram of the present utility model.
Detailed description of the invention
As shown in Fig. 1 ~ 3, a kind of device utilizing dry ice Cold assembled bushing, comprise heat-preserving container, heat-preserving container is made up of shell 1, inner bag 2, bung 5, is provided with one and strengthens pad 3, inner bag 2 is put into shell 1 bottom inner bag 2, then after lining 4 to be assembled being hung in inner bag 2 centre gently by driving, spread appropriate dry ice at lining 4 center and the gap between lining 4 and heat-preservation liner 2, build rapidly bung 5 and be incubated, temperature retention time is depending on the size of the magnitude of interference.After insulation terminates, open bung 5, lining 4 hangs in body 10 by rapid driving gently accurately.If the magnitude of interference of the mating surface of lining 4 and body 10 internal diameter is 0.12mm, diameter is 400mm, so, is incubated half an hour.
As shown in the institute of Fig. 1 ~ 2, the shell 1 of heat-preserving container is processed into a tubbiness by stainless steel material, has corrosion proof function, and wall thickness is 3mm, diameter and highly consider the thickness of inner bag 2, the external diameter of lining 4 and highly.The hoisting ring 6 of a pair symmetry is welded, convenient mobile whole heat-preserving container in the outside of shell 1.The inner bag 2 of heat-preserving container selects highdensity foamed material, is eps foam plastics, has high density, high rigidity, heat-insulating property is good, intensity is large characteristic, make inner bag shape, the diameter compatible of external diameter and shell 1 closes, and wall thickness is set to 30mm, the short 30mm of the degree of depth of the aspect ratio shell 1 of inner bag 2.The external diameter of lining 4 is 400mm, is highly 500mm.The thickness of inner bag 2 is the minor diameter fit of 30mm, external diameter and shell 1, and internal diameter 100mm larger than lining 4 external diameter is highly 600mm.The internal diameter of shell 1 is 560mm, and external diameter is 566mm, and the degree of depth is 630mm.Strengthening pad 3 is a circular pad, and thickness is 3mm, and diameter is 498mm, and material is stainless steel, is used for causing damage to bottom inner bag 2 when preventing lifting lining 4, can also be antirust.The diameter of bung 5 is 498mm, and thickness is 30mm, and bung 5 lower surface contacts with the upper surface 8 of heat-preservation liner 2, bung 5 is provided with a handle 7, conveniently picks and places bung 5, and bung 5 material, for being eps foam plastics, has high density, the characteristic of high rigidity.Bung 5 is provided with the air-vent 13 that 4 diameters are 5mm, expands and raise whole bung 5 after preventing dry ice from gasifying.
As shown in Fig. 4 ~ 5, the top of lining 4 to be assembled is provided with a step 12, be highly 5mm, thickness is 3mm, the diameter of fitting surface is 400mm, and the outside diameter of step 12 is 406mm, can effectively prevent whole lining 4 from falling in body 11 in assembling process, a pair lifting eye 9 is provided with at step 12 upper surface, can be mobile stably with driving by lining 4.
It is significant to note that in the pre-assembly, the burr of fitting surface should be handled well and carry out rust cleaning work.When calling in body 10 after insulation, the moisture of lining 4 cylindrical should be dried, also will carry out antifreeze work, in order to avoid frostbite.
Claims (8)
1. one kind utilizes the device of dry ice Cold assembled bushing, comprise heat-preserving container, it is characterized in that, heat-preserving container is made up of shell (1), inner bag (2), bung (5), be provided with one in inner bag (2) bottom and strengthen pad (3), inner bag (2) is placed in shell (1), lining (4) to be assembled is arranged in inner bag (2), gap between described inner bag (2) and lining to be assembled (4) is covered with dry ice, be provided with dry ice in described lining to be assembled (4), bung (5) and shell (1) seal and assemble.
2. a kind of device utilizing dry ice Cold assembled bushing according to claim 1, it is characterized in that, the tubbiness that described shell (1) processes for stainless steel material, shell (1) is welded with a pair hoisting ring (6).
3. a kind of device utilizing dry ice Cold assembled bushing according to claim 1, it is characterized in that, described inner bag (2) is made for foamed material, and the external diameter of inner bag (2) and the diameter compatible of shell (1) close, and the degree of depth of the aspect ratio shell (1) of inner bag (2) is low.
4. a kind of device utilizing dry ice Cold assembled bushing according to claim 1, is characterized in that, the described circular pad strengthened pad (3) and make for stainless steel material, strengthens pad (3) diameter less than inner bag (2) internal diameter.
5. a kind of device utilizing dry ice Cold assembled bushing according to claim 1, it is characterized in that, diameter and shell (1) diameter compatible of described bung (5) close, and the lower surface of bung (5) contacts with the upper surface (8) of inner bag (2).
6. a kind of device utilizing dry ice Cold assembled bushing according to claim 1 or 5, is characterized in that, described bung (5) is provided with handle (7), and the lid that described bung (5) is made for foamed material is provided with air-vent (13).
7. a kind of device utilizing dry ice Cold assembled bushing according to claim 1, it is characterized in that, the top of described lining to be assembled (4) is provided with a step (12), is provided with lifting eye (9) at the upper surface of step (12).
8. a kind of device utilizing dry ice Cold assembled bushing according to claim 1, it is characterized in that, described shell (1) thickness is 3mm, and inner bag (2) thickness is 30mm, and strengthening pad (3) thickness is 3mm, and bung (5) thickness is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520033488.8U CN204381771U (en) | 2015-01-19 | 2015-01-19 | A kind of device utilizing dry ice Cold assembled bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520033488.8U CN204381771U (en) | 2015-01-19 | 2015-01-19 | A kind of device utilizing dry ice Cold assembled bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204381771U true CN204381771U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520033488.8U Expired - Fee Related CN204381771U (en) | 2015-01-19 | 2015-01-19 | A kind of device utilizing dry ice Cold assembled bushing |
Country Status (1)
| Country | Link |
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| CN (1) | CN204381771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914148A (en) * | 2017-12-07 | 2018-04-17 | 广州文冲船厂有限责任公司 | A kind of frock for bearing liquid nitrogen frozen |
-
2015
- 2015-01-19 CN CN201520033488.8U patent/CN204381771U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914148A (en) * | 2017-12-07 | 2018-04-17 | 广州文冲船厂有限责任公司 | A kind of frock for bearing liquid nitrogen frozen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |