CN205446343U - Big pretightning force machinery jackscrew formula lock nut - Google Patents
Big pretightning force machinery jackscrew formula lock nut Download PDFInfo
- Publication number
- CN205446343U CN205446343U CN201620202875.4U CN201620202875U CN205446343U CN 205446343 U CN205446343 U CN 205446343U CN 201620202875 U CN201620202875 U CN 201620202875U CN 205446343 U CN205446343 U CN 205446343U
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- nut
- screw thread
- screw
- jackscrew
- utility
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Abstract
The utility model provides a big pretightning force machinery jackscrew formula lock nut, including lock nut, the screw thread that the lock nut center set up closes the installation with T type bolt soon, be equipped with a plurality of screw thread through -hole around the lock nut, screw thread through -hole internal rotation is closed and is installed the jackscrew screw, T type bolt closes the installation with fastening nut soon, T type bolt is fixed with by the fastener through fastening nut, the cover has the packing ring on the T type bolt. The utility model discloses change traditional screw thread moment of torsion locking manner into axial tension formula locking, locking manner is almost the same with hydraulic nut, and the not hard up phenomenon of fastening after the hydraulic nut oil leak can not appear again in its pure mechanical structure simultaneously, realize whole pretension to the pretension of a plurality of jackscrew screws, when using manpower sparingly, require also all greatly reduced to operation space, the tool of needs.
Description
Technical field
This utility model relates to a kind of locking nut, particularly to one big pretightning force machinery jack-screw type locking nut.
Background technology
In the coal-winning machine of coal mine machinery, often use many group high-strength nuts or hydraulic nut coordinates T-bolt to connect to realize complete machine.Owing to regular screw threads are to produce moment of torsion by rotating spanner to lock, predominant intermolecular forces consumption is overcoming between screw thread on frictional resistance, and these large-diameter thread connect, affected by manpower, instrument, working space etc., pretightning force is unable to reach requirement, dismounting the most highly difficult, the vibrations of machinery are easy to again make connection occur loosening phenomenon.Connecting according to hydraulic nut, long work there will be again oil leakage phenomenon, causes connection to loosen.Either the loosening or leakage of oil of hydraulic nut of high-strength nut, all can cause complete machine to connect built on the sand.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, a kind of big pretightning force machinery jack-screw type locking nut is provided, the pretension of multiple jackscrew screws realizes integral pre-tightening, while saving manpower, require the most all to be substantially reduced to the working space needed, power tool, can effectively solve the problem in background technology.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
This utility model provides a kind of big pretightning force machinery jack-screw type locking nut, including locking nut, the centrally disposed screw thread of described locking nut and T-bolt screw installation, described locking nut be provided around several tapped through holes, screw in described tapped through hole and jackscrew screw be installed；Described T-bolt and clamp nut screw installation, and described T-bolt is fixed with by securing member by clamp nut, and described T-bolt is cased with packing ring.
As a kind of optimal technical scheme of the present utility model, described packing ring is arranged on one end of clamp nut.
As a kind of optimal technical scheme of the present utility model, the centrally disposed screw thread of locking nut is M42 screw thread.
As a kind of optimal technical scheme of the present utility model, the screw thread in described tapped through hole is M10 screw thread.
Compared with prior art this utility model is reached to provide the benefit that: traditional screw thread torque take-up mode is changed into the locking of axial tension formula by this utility model, locking mode is almost identical with hydraulic nut, and its purely mechanic structure fastens loosening phenomenon after not havinging again hydraulic nut leakage of oil simultaneously；The pretension of multiple jackscrew screws is realized integral pre-tightening, while saving manpower, requires the most all to be substantially reduced to the working space needed, power tool.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.
In the accompanying drawings:
Fig. 1 is the operating diagram of a kind of big pretightning force machinery jack-screw type locking nut of this utility model；
Fig. 2 is the schematic three dimensional views of a kind of big pretightning force machinery jack-screw type locking nut of this utility model；
Label in figure: 1, clamp nut；2, packing ring；3, jackscrew screw；4, by securing member；5, T-bolt；6, tapped through hole；7, screw thread；8, locking nut.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.
Embodiment: as shown in Figure 1-2, this utility model provides a kind of big pretightning force machinery jack-screw type locking nut, including locking nut 8, screw thread 7 and T-bolt 5 that described locking nut 8 is centrally disposed screw installation, it is characterized in that, described locking nut 8 be provided around several tapped through holes 6, screw in described tapped through hole 6 and jackscrew screw 3 be installed；Described T-bolt 5 and clamp nut 1 screw installation, and described T-bolt 5 is fixed with by securing member 4 by clamp nut 1, and described T-bolt 5 is cased with packing ring 2.
Described packing ring 2 is arranged on one end of clamp nut 1.
The centrally disposed screw thread 7 of described locking nut 8 is M42 screw thread.
Screw thread 7 in described tapped through hole 6 is M10 screw thread.
The center of locking nut 1 is machined with the screw thread of M42, with the threaded engagement of T-bolt 5.The surrounding of locking nut 81 is machined with 8 uniform M10 tapped through holes.During connection, by T-bolt 5 through the complete machine housing of coal-winning machine, then packing ring 2 being enclosed within the other end of T-bolt 5, clamp nut 1 screws with T-bolt 5 and installs, finally 8 jackscrew screws 3 are loaded in 8 tapped through holes 6 of locking nut 8, and to 8 jackscrew screw 3 pretensions.Make T-bolt 5 be elongated, utilize the elasticity of material self to be locked by screw thread 7.
Traditional screw thread 7 torque take-up mode is changed into the locking of axial tension formula by this utility model, and locking mode is almost identical with hydraulic nut, and its purely mechanic structure fastens loosening phenomenon after not havinging again hydraulic nut leakage of oil simultaneously；The pretension of multiple jackscrew screws 3 is realized integral pre-tightening, while saving manpower, requires the most all to be substantially reduced to the working space needed, power tool.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (4)
1. a big pretightning force machinery jack-screw type locking nut, including locking nut (8), screw thread (7) and T-bolt (5) that described locking nut (8) is centrally disposed screw installation, it is characterized in that, described locking nut (8) be provided around several tapped through holes (6), screw in described tapped through hole (6) and jackscrew screw (3) be installed；Described T-bolt (5) and clamp nut (1) screw installation, and described T-bolt (5) is fixed with by securing member (4) by clamp nut (1), and described T-bolt (5) is cased with packing ring (2).
One the most according to claim 1 big pretightning force machinery jack-screw type locking nut, it is characterised in that described packing ring (2) is arranged on one end of clamp nut (1).
One the most according to claim 1 big pretightning force machinery jack-screw type locking nut, it is characterised in that the centrally disposed screw thread (7) of described locking nut (8) is M42 screw thread.
One the most according to claim 1 big pretightning force machinery jack-screw type locking nut, it is characterised in that the screw thread (7) in described tapped through hole (6) is M10 screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620202875.4U CN205446343U (en) | 2016-03-16 | 2016-03-16 | Big pretightning force machinery jackscrew formula lock nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620202875.4U CN205446343U (en) | 2016-03-16 | 2016-03-16 | Big pretightning force machinery jackscrew formula lock nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446343U true CN205446343U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620202875.4U Expired - Fee Related CN205446343U (en) | 2016-03-16 | 2016-03-16 | Big pretightning force machinery jackscrew formula lock nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446343U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269658A (en) * | 2017-08-07 | 2017-10-20 | 中国船舶重工集团公司第七0四研究所 | Uniaxial direct tensile pre-tensioned type tuning for Controllable Pitch Propeller blade trip bolt |
| CN107701351A (en) * | 2017-10-26 | 2018-02-16 | 哈尔滨电机厂有限责任公司 | A kind of Dual-safety protection structure of Hydropower Unit top cover bindiny mechanism |
| CN107816481A (en) * | 2017-10-26 | 2018-03-20 | 哈尔滨电机厂有限责任公司 | A kind of dual safety protector of Hydropower Unit top cover bindiny mechanism |
| CN107842454A (en) * | 2017-10-26 | 2018-03-27 | 哈尔滨电机厂有限责任公司 | A kind of double flange arrangement pattern top cover safety protection structures of Hydropower Unit |
| CN113483026A (en) * | 2021-07-01 | 2021-10-08 | 厦门势拓伺服科技股份有限公司 | Electric main shaft lower bearing pressing spacer structure |
-
2016
- 2016-03-16 CN CN201620202875.4U patent/CN205446343U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269658A (en) * | 2017-08-07 | 2017-10-20 | 中国船舶重工集团公司第七0四研究所 | Uniaxial direct tensile pre-tensioned type tuning for Controllable Pitch Propeller blade trip bolt |
| CN107701351A (en) * | 2017-10-26 | 2018-02-16 | 哈尔滨电机厂有限责任公司 | A kind of Dual-safety protection structure of Hydropower Unit top cover bindiny mechanism |
| CN107816481A (en) * | 2017-10-26 | 2018-03-20 | 哈尔滨电机厂有限责任公司 | A kind of dual safety protector of Hydropower Unit top cover bindiny mechanism |
| CN107842454A (en) * | 2017-10-26 | 2018-03-27 | 哈尔滨电机厂有限责任公司 | A kind of double flange arrangement pattern top cover safety protection structures of Hydropower Unit |
| CN113483026A (en) * | 2021-07-01 | 2021-10-08 | 厦门势拓伺服科技股份有限公司 | Electric main shaft lower bearing pressing spacer structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170316 |