CN203767833U - Device for improving assembling accuracy of round nut for heavy-duty machine tool spindle - Google Patents
Device for improving assembling accuracy of round nut for heavy-duty machine tool spindle Download PDFInfo
- Publication number
- CN203767833U CN203767833U CN201420183611.XU CN201420183611U CN203767833U CN 203767833 U CN203767833 U CN 203767833U CN 201420183611 U CN201420183611 U CN 201420183611U CN 203767833 U CN203767833 U CN 203767833U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- round nut
- spindle
- machine tool
- transition body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007704 transition Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 2
- 238000011900 installation process Methods 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a device for improving the assembling accuracy of a round nut for a heavy-duty machine tool spindle and belongs to the technical field of machining. The device comprises a crown block, a transition body, electronic hoist scales, a hand chain hoist, a lifting ring and a level gauge, when the round nut of the machine tool spindle is arranged, the disc-shaped transition body horizontally arranged is connected below the crown block by virtue of a steel wire rope, the electronic hoist scales are respectively suspended on two sides of the transition body, the hand chain hoist is hooked below the electronic hoist scales, the lifting ring is connected below the hand chain hoist, and the lifting ring is connected with the round nut of the spindle by virtue of threads; the level gauge is arranged on one side of a spindle bearing. The galling difficulty of the original spindle round nut can be solved by utilizing the device, the stability and reliability of the spindle round nut in the assembling process can be guaranteed, and the spindle bearing is uniformly pretightened, so that the usage accuracy of the spindle bearing can be guaranteed.
Description
Technical field
The utility model relates to a kind of device that improves heavy machine tool main shaft circular nut assembly precision, belongs to Machining Technology field.
Background technology
At present, the most circular nut pre-pressing structures that adopt of heavy machine tool main shaft bearing, when large-scale circular nut is installed, owing to there is no actv. measure of control, tend to cause circular nut screw thread and spindle thread to grind wound, make main shaft bearing discontinuity in pretension process, so just cannot guarantee service precision and the service life of main shaft bearing.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of device that improves heavy machine tool main shaft circular nut assembly precision, utilize this device to solve main shaft circular nut grinding in fitting process in the past and hinder a difficult problem, stability and the reliability of main shaft circular nut fitting process have been guaranteed, make main shaft bearing obtain uniform pretension, thereby guaranteed the service precision of main shaft bearing.
The utility model solves the technical scheme that its technical matters adopts: a kind of device that improves heavy machine tool main shaft circular nut assembly precision is comprised of overhead traveling crane, transition body, electronic crane scale, chain block, suspension ring and level indicator, when machine tool chief axis circular nut is installed, below overhead traveling crane, with steel rope, connect a horizontally disposed disc transition body, in the both sides of transition body, hang respectively an electronics and hang title, hook chain block below electronic crane scale, the below of chain block connects suspension ring, and suspension ring are threaded connection main shaft circular nut; Level indicator is arranged on a side of main shaft bearing.
The beneficial effects of the utility model are: utilize electronics to hang and claim the method assembling main shaft circular nut of balance deadweight not only to reduce assembly difficulty, stability and the reliability of main shaft circular nut fitting process have been guaranteed, make main shaft bearing obtain uniform pretension, thereby guaranteed the service precision of main shaft bearing, simultaneously also solved the difficult problem that main shaft circular nut grinds wound, this device is simple and reliable, workable, and assembly precision is high.The utility model is under the jurisdiction of the great special 2013ZX04013-011 of country.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
Fig. 1 is use state simplified schematic diagram of the present utility model.
Number in the figure:
1. overhead traveling crane 2. steel rope 3. transition body 4. electronics hang and claim 5. chain blocks
6. main shaft 7. main shaft circular nut 8. suspension ring 9. main shaft bearing 10. level indicators
11. square chests 12. are adjusted parallels.
The specific embodiment
Refer to Fig. 1, a kind of device that improves heavy machine tool main shaft circular nut assembly precision is comprised of overhead traveling crane 1, transition body 3, electronic crane scale 4, chain block 5 and level indicator 10, when machine tool chief axis circular nut 7 is installed, below overhead traveling crane 1, with steel rope 2, connect a horizontally disposed disc transition body 3, in the both sides of transition body 3, hang respectively an electronics and hang title 4, hook chain block 5 below electronic crane scale 4, the below of chain block 5 connects suspension ring 8, and suspension ring 8 are threaded connection main shaft circular nut 7; Level indicator 10 is arranged on a side of main shaft bearing 9.
Concrete operation step during assembling is:
1. main shaft 6 use overhead traveling cranes 1 are hung onto on square chest 11;
2. adjust parallels 12, take level indicator 10 as benchmark, adjust main shaft 6 vertical;
3. transition body 3 is connected with overhead traveling crane 1, electronics is installed and is hung title 4, chain block 5 and main shaft circular nut 7;
4. main shaft circular nut 7 is installed, is adjusted chain block 5, guarantee main shaft circular nut 7 stress balance in installation process; In installation process, in the process of dish main shaft circular nut 7, adjust chain block 5 simultaneously, guarantee main shaft circular nut 7 stress balance in installation process;
5. pretension main shaft circular nut 7, reaches after requirement, locking main shaft circular nut 7.
Claims (1)
1. a device that improves heavy machine tool main shaft circular nut assembly precision, it is characterized in that: this device is by overhead traveling crane (1), transition body (3), electronic crane scale (4), chain block (5) and level indicator (10) form, steel rope for below (2) at overhead traveling crane (1) connects a horizontally disposed disc transition body (3), in the both sides of transition body (3), hang respectively an electronics and hang title (4), at the below of electronic crane scale (4) hook chain block (5), the below of chain block (5) connects suspension ring (8), suspension ring (8) are threaded connection main shaft circular nut (7), level indicator (10) is arranged on a side of main shaft bearing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183611.XU CN203767833U (en) | 2014-04-16 | 2014-04-16 | Device for improving assembling accuracy of round nut for heavy-duty machine tool spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183611.XU CN203767833U (en) | 2014-04-16 | 2014-04-16 | Device for improving assembling accuracy of round nut for heavy-duty machine tool spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203767833U true CN203767833U (en) | 2014-08-13 |
Family
ID=51285047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420183611.XU Expired - Lifetime CN203767833U (en) | 2014-04-16 | 2014-04-16 | Device for improving assembling accuracy of round nut for heavy-duty machine tool spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203767833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520602A (en) * | 2017-09-22 | 2017-12-29 | 哈尔滨汽轮机厂有限责任公司 | A kind of turbine high-pressure stop valve major diameter flute profile threaded collar assembly method |
| CN109399442A (en) * | 2018-12-14 | 2019-03-01 | 马钢集团矿业有限公司 | A kind of mining electric excavator large-scale nut hoisting structure and its hanging method |
| CN111604679A (en) * | 2020-04-29 | 2020-09-01 | 中船澄西船舶修造有限公司 | Trial assembly tool for large hydraulic nut |
-
2014
- 2014-04-16 CN CN201420183611.XU patent/CN203767833U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520602A (en) * | 2017-09-22 | 2017-12-29 | 哈尔滨汽轮机厂有限责任公司 | A kind of turbine high-pressure stop valve major diameter flute profile threaded collar assembly method |
| CN109399442A (en) * | 2018-12-14 | 2019-03-01 | 马钢集团矿业有限公司 | A kind of mining electric excavator large-scale nut hoisting structure and its hanging method |
| CN109399442B (en) * | 2018-12-14 | 2024-02-09 | 安徽马钢矿业资源集团有限公司 | Large nut hoisting structure for mining electric excavator and hoisting method thereof |
| CN111604679A (en) * | 2020-04-29 | 2020-09-01 | 中船澄西船舶修造有限公司 | Trial assembly tool for large hydraulic nut |
| CN111604679B (en) * | 2020-04-29 | 2021-12-07 | 中船澄西船舶修造有限公司 | Trial assembly tool for large hydraulic nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |