CN110454487A - A kind of screw thread multi-locking locking device and its locking method - Google Patents
A kind of screw thread multi-locking locking device and its locking method Download PDFInfo
- Publication number
- CN110454487A CN110454487A CN201910813473.6A CN201910813473A CN110454487A CN 110454487 A CN110454487 A CN 110454487A CN 201910813473 A CN201910813473 A CN 201910813473A CN 110454487 A CN110454487 A CN 110454487A
- Authority
- CN
- China
- Prior art keywords
- round nut
- locking
- lock washer
- screw
- screw thread
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 235000005308 Pandanus Nutrition 0.000 description 2
- 241001175147 Pandanus cookii Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
- F16B39/103—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
- F16B39/108—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking washer under the nut or bolt head having at least one tongue or lug folded against the nut or bolt head, or against the object itself
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention belongs to nuclear power station large size rotating machinery screw-threaded coupling loosing Prevention Technology fields, and in particular to a kind of screw thread multi-locking locking device and its locking method；It include: opening round nut, round nut, interior tongue lock washer, fastening screw, axis and thrust disc；On axis, a side surface of interior tongue lock washer is bonded the interior tongue lock washer ring set with the outer surface of thrust disc, and stop tongue is provided on the surface that the interior tongue lock washer is bonded with thrust disc, and the stop tongue is inserted into the keyway opened up on thrust disc outer surface；The round nut screws in axis；The round nut that is open screws on the screw thread of axis, and opening round nut side surface is bonded with round nut surface, and the fastening screw screws on opening round nut other side surface.
Description
Technical field
The invention belongs to nuclear power station large size rotating machinery screw-threaded coupling loosing Prevention Technology fields, and in particular to a kind of screw thread is multiple
Locking anti-loosening device and its locking method.
Background technique
In the process of running, the fastening of rotatable parts is locking particularly important for nuclear power station large size rotating machinery, and daily rotation is set
It is easy to appear in received shipment row because column interruption of service together caused by failure is loosened in rotatable parts fastening, if occurring fastening locking mistake
Effect causes components to loosen, it will and cause equipment unavailable, directly influences the safe and stable operation of relevant device and system, because
And influence routine work efficiency.
Therefore, it is necessary to design a kind of screw thread multi-locking locking device and its locking method to improve large-scale rotating machinery spiral shell
Line locks locking performance.
Summary of the invention
Object of the present invention is to provide a kind of screw thread multi-locking locking device and its lock in view of the above shortcomings of the prior art
Clamping method fastens the technical issues of loosening failure for solving nuclear power station large size rotating machinery in the process of running.
The technical scheme is that
A kind of screw thread multi-locking locking device, comprising: opening round nut 1, round nut 2, interior tongue lock washer 3, fastening
Screw 4, axis 5 and thrust disc 6；Stop tongue, the interior tongue lock washer 3 are provided on interior 3 one side surface of tongue lock washer
Ring set is on axis 5, and the stop tongue side annular end face of the interior tongue lock washer 3 is bonded with the wheel hub outer end face of thrust disc 6, institute
It states in the keyway opened up on stop tongue insertion 6 inner ring of thrust disc；The round nut 2 screws in axis 5；The round nut 1 that is open screws in axis 5
On screw thread, opening 1 one side surface of round nut is bonded with 2 surface of round nut, and it is another that the fastening screw 4 screws in opening round nut 1
On side surface.
An annular trough is offered within the scope of the opening round nut 1 is 180 ° radial.
It is provided with conical screw hole on the surface of opening round nut 1 screw-in 4 side of fastening screw, is used for fastening screw 4
The conical surface screw in；The inner surface of opening 1 annular trough of round nut is provided with tapped through hole, and the tail portion for fastening screw 4 screws in.
The rectangular recess of several identical sizes is evenly arranged on the circumferential surface of the opening round nut 1 and round nut 2；It is interior
Several rectangular lips have been evenly arranged on one side surface of the not set stop tongue of tongue lock washer 3.
The width of keyway size opened up on the width dimensions of the stop tongue and 6 inner ring of thrust disc matches.
Each rectangular lip is embedded in the rectangular recess on round nut 2 by tapping on the interior tongue lock washer 3,
It is locking for progress to be inlayed with 2 rectangular recess of round nut in interior 3 outer ring of tongue lock washer.
The locking method of screw thread multi-locking locking device as described above, includes the following steps:
Step 1: by interior tongue lock washer 3 be packed into axis 5 on, the stop tongue side annular end face of interior tongue lock washer 3 with push away
The wheel hub outer end face of power disk 6 is bonded, and the stop tongue of interior tongue lock washer 3 is packed into the keyway of thrust disc 6；
Step 2: round nut 2 is screwed on the screw thread of axis 5 and is locked；By the rectangular lip of interior tongue lock washer 3 to circle spiral shell
Tapped in female 2 rectangular recess, make the outer ring of interior tongue lock washer 3 tap deformation and 2 rectangular recess of round nut inlay together into
Row is locking；The round nut 1 that will be open screws on the screw thread of axis 5, and locks carry out pairs of anti-loose nut；
Step 3: fastening screw 4 being screwed in the threaded hole of opening 1 side of round nut, and fastening screw 4 makes the round nut that is open
1 deformed threads carry out locking；4 outer surface of fastening screw is punched in using sample and opening 1 outer surface cooperation position of round nut taps
Sample dotting punch makes fastening screw 4 deform with opening round nut 1 in the position for tapping sample dotting punch, increases by 4 screw thread of fastening screw pine
Dynamic resistance, to carry out the locking of fastening screw 4.
The invention has the following advantages:
[1], a kind of screw thread multi-locking locking device structure that the present invention designs is simple, is easily installed；
[2], a kind of screw thread multi-locking locking device that the present invention designs is also configured with an opening round nut, Ke Yitong
The mode that crossing deforms open circles nut thread carries out locking；Has pairs of anti-loose nut；
[3], a kind of screw thread multi-locking locking device that the present invention designs is not by the shadow of round nut radial direction rectangle groove location
It rings, can be carried out in the internal tongue lock washer flange to round nut radial direction rectangular channel of any position after round nut locking locking；
[4], a kind of screw thread multi-locking locking device that the present invention designs can effectively improve the screw thread of large-scale rotating machinery
Lock anti-loosening property.
Detailed description of the invention
Fig. 1 is a kind of screw thread multi-locking locking device structural schematic diagram that the present invention designs；
Fig. 2 is a kind of screw thread multi-locking locking device sectional view that the present invention designs；
Fig. 3 is a kind of scheme of installation for screw thread multi-locking locking device that the present invention designs；
Wherein: 1- is open round nut, 2- round nut, tongue lock washer in 3-, 4- fastening screw, 5- axis, 6- thrust disc
Specific embodiment
The technology of the present invention is described further below:
As shown in Figures 1 to 3, a kind of screw thread multi-locking locking device, comprising: opening round nut 1, round nut 2, interior tongue lock
Tight washer 3, fastening screw 4, axis 5 and thrust disc 6；Stop tongue is provided on interior 3 one side surface of tongue lock washer, it is described interior
3 ring set of tongue lock washer is on axis 5, outside the stop tongue side annular end face of the interior tongue lock washer 3 and the wheel hub of thrust disc 6
End face fitting, the stop tongue are inserted into the keyway opened up on 6 inner ring of thrust disc；The round nut 2 screws in axis 5；Open circles spiral shell
Mother 1 screws on the screw thread of axis 5, and opening 1 one side surface of round nut is bonded with 2 surface of round nut, and the fastening screw 4 screws in opening
On another side surface of round nut 1.
An annular trough is offered within the scope of the opening round nut 1 is 180 ° radial.
It is provided with conical screw hole on the surface of opening round nut 1 screw-in 4 side of fastening screw, is used for fastening screw 4
The conical surface screw in；The inner surface of opening 1 annular trough of round nut is provided with tapped through hole, and the tail portion for fastening screw 4 screws in.
The rectangular recess of several identical sizes is evenly arranged on the circumferential surface of the opening round nut 1 and round nut 2；It is interior
Several rectangular lips have been evenly arranged on one side surface of the not set stop tongue of tongue lock washer 3.
The width of keyway size opened up on the width dimensions of the stop tongue and 6 inner ring of thrust disc matches.
Each rectangular lip is embedded in the rectangular recess on round nut 2 by tapping on the interior tongue lock washer 3,
It is locking for progress to be inlayed with 2 rectangular recess of round nut in interior 3 outer ring of tongue lock washer.
The locking method of screw thread multi-locking locking device as described above, includes the following steps:
Step 1: by interior tongue lock washer 3 be packed into axis 5 on, the stop tongue side annular end face of interior tongue lock washer 3 with push away
The wheel hub outer end face of power disk 6 is bonded, and the stop tongue of interior tongue lock washer 3 is packed into the keyway of thrust disc 6；
Step 2: round nut 2 is screwed on the screw thread of axis 5 and is locked；By the rectangular lip of interior tongue lock washer 3 to circle spiral shell
Tapped in female 2 rectangular recess, make the outer ring of interior tongue lock washer 3 tap deformation and 2 rectangular recess of round nut inlay together into
Row is locking；The round nut 1 that will be open screws on the screw thread of axis 5, and locks carry out pairs of anti-loose nut；
Step 3: fastening screw 4 being screwed in the threaded hole of opening 1 side of round nut, and fastening screw 4 makes the round nut that is open
1 deformed threads carry out locking；4 outer surface of fastening screw is punched in using sample and opening 1 outer surface cooperation position of round nut taps
Sample dotting punch makes fastening screw 4 deform with opening round nut 1 in the position for tapping sample dotting punch, increases by 4 screw thread of fastening screw pine
Dynamic resistance, to carry out the locking of fastening screw 4.
The present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-described embodiments, at this
Field those of ordinary skill within the scope of knowledge, can also make various changes without departing from the purpose of the present invention
Change.The content being not described in detail in the present invention can use the prior art.
Claims (7)
1. a kind of screw thread multi-locking locking device characterized by comprising opening round nut (1), round nut (2), interior tongue lock
Tight washer (3), fastening screw (4), axis (5) and thrust disc (6)；It is provided with only on (3) one side surface of interior tongue lock washer
Dynamic tongue, interior tongue lock washer (3) ring set is on axis (5), the stop tongue side annular end face of the interior tongue lock washer (3)
It is bonded with the wheel hub outer end face of thrust disc (6), in the keyway opened up on described stop tongue insertion thrust disc (6) inner ring；The circle
Nut (2) screws in axis (5)；It is open on the screw thread of round nut (1) screw-in axis (5), be open (1) one side surface of round nut and round nut
(2) surface is bonded, and the fastening screw (4) screws on opening round nut (1) another side surface.
2. a kind of screw thread multi-locking locking device as described in claim 1, it is characterised in that: the opening round nut (1)
An annular trough is offered within the scope of 180 ° radial.
3. a kind of screw thread multi-locking locking device as claimed in claim 2, it is characterised in that: the opening round nut (1)
It screws on the surface of fastening screw (4) side and is provided with conical screw hole, the conical surface for fastening screw (4) screws in；Open circles spiral shell
The inner surface of female (1) annular trough is provided with tapped through hole, and the tail portion for fastening screw (4) screws in.
4. a kind of screw thread multi-locking locking device as claimed in claim 3, it is characterised in that: the opening round nut (1)
With the rectangular recess for being evenly arranged several identical sizes on the circumferential surface of round nut (2)；Interior tongue lock washer (3) is not set only
Several rectangular lips have been evenly arranged on one side surface of dynamic tongue.
5. a kind of screw thread multi-locking locking device as claimed in claim 4, it is characterised in that: the broad-ruler of the stop tongue
It is very little to match with width of keyway size that is being opened up on thrust disc (6) inner ring.
6. a kind of screw thread multi-locking locking device as claimed in claim 5, it is characterised in that: the interior tongue lock washer
(3) each rectangular lip is embedded in the rectangular recess on round nut (2) by tapping on, is used for interior tongue lock washer
(3) outer ring and round nut (2) rectangular recess inlay carry out it is locking.
7. the locking method of any screw thread multi-locking locking device, feature exist in a kind of claim 1 to 6 as above
In including the following steps:
Step 1: by interior tongue lock washer (3) be packed into axis (5) on, the stop tongue side annular end face of interior tongue lock washer (3) with
The wheel hub outer end face of thrust disc (6) is bonded, and the stop tongue of interior tongue lock washer (3) is packed into the keyway of thrust disc 6；
Step 2: round nut (2) are screwed on the screw thread of axis (5) and is locked；By the rectangular lip of interior tongue lock washer (3) to circle
It is tapped in nut (2) rectangular recess, so that the outer ring of interior tongue lock washer (3) is tapped deformation and inlayed with round nut (2) rectangular recess
It carries out together locking；It will be open on the screw thread of round nut (1) screw-in axis (5), and lock carry out pairs of anti-loose nut；
Step 3: fastening screw (4) are screwed in the threaded hole of opening round nut (1) side, fastening screw (4) makes open circles spiral shell
The deformed threads of female (1) carry out locking；Fastening screw (4) outer surface and opening round nut (1) outer surface is punched in using sample to cooperate
Position taps sample dotting punch, so that fastening screw (4) is deformed with opening round nut (1) in the position for tapping sample dotting punch, increases tight
The resistance of screw Gu (4) thread looseness, to carry out the locking of fastening screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813473.6A CN110454487A (en) | 2019-08-30 | 2019-08-30 | A kind of screw thread multi-locking locking device and its locking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813473.6A CN110454487A (en) | 2019-08-30 | 2019-08-30 | A kind of screw thread multi-locking locking device and its locking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454487A true CN110454487A (en) | 2019-11-15 |
Family
ID=68490125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910813473.6A Pending CN110454487A (en) | 2019-08-30 | 2019-08-30 | A kind of screw thread multi-locking locking device and its locking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160969A (en) * | 2020-10-27 | 2021-01-01 | 哈尔滨电气动力装备有限公司 | Locking structure for rotating round nut in liquid environment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030026511A1 (en) * | 2000-02-01 | 2003-02-06 | Csik Frank Victor | Constant velocity joint integrated to wheel bearing and to axially adjustable hub |
| KR20130073175A (en) * | 2011-12-23 | 2013-07-03 | 한국철도공사 | Double nut for anti-loose |
| CN204553492U (en) * | 2015-02-25 | 2015-08-12 | 龙工(福建)桥箱有限公司 | Loader drive axle wheel edge retarder bearing lock nuts anti-loose structure |
| CN105889279A (en) * | 2014-11-30 | 2016-08-24 | 仇海侠 | Combined locknut |
| CN207999427U (en) * | 2018-02-08 | 2018-10-23 | 丰铁机械(苏州)有限公司 | A kind of anti-loose structure of fast cylinder locking nut |
| CN208311267U (en) * | 2018-05-08 | 2019-01-01 | 山东锋钢机械设备有限公司 | A kind of permanent magnetism type magnetic suspension axial bearing |
| CN209130067U (en) * | 2018-11-29 | 2019-07-19 | 哈尔滨东安汽车发动机制造有限公司 | A kind of shaft end retention mechanism of rolling bearing |
| CN210799675U (en) * | 2019-08-30 | 2020-06-19 | 江苏核电有限公司 | Multiple locking device of screw thread |
-
2019
- 2019-08-30 CN CN201910813473.6A patent/CN110454487A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030026511A1 (en) * | 2000-02-01 | 2003-02-06 | Csik Frank Victor | Constant velocity joint integrated to wheel bearing and to axially adjustable hub |
| KR20130073175A (en) * | 2011-12-23 | 2013-07-03 | 한국철도공사 | Double nut for anti-loose |
| CN105889279A (en) * | 2014-11-30 | 2016-08-24 | 仇海侠 | Combined locknut |
| CN204553492U (en) * | 2015-02-25 | 2015-08-12 | 龙工(福建)桥箱有限公司 | Loader drive axle wheel edge retarder bearing lock nuts anti-loose structure |
| CN207999427U (en) * | 2018-02-08 | 2018-10-23 | 丰铁机械(苏州)有限公司 | A kind of anti-loose structure of fast cylinder locking nut |
| CN208311267U (en) * | 2018-05-08 | 2019-01-01 | 山东锋钢机械设备有限公司 | A kind of permanent magnetism type magnetic suspension axial bearing |
| CN209130067U (en) * | 2018-11-29 | 2019-07-19 | 哈尔滨东安汽车发动机制造有限公司 | A kind of shaft end retention mechanism of rolling bearing |
| CN210799675U (en) * | 2019-08-30 | 2020-06-19 | 江苏核电有限公司 | Multiple locking device of screw thread |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160969A (en) * | 2020-10-27 | 2021-01-01 | 哈尔滨电气动力装备有限公司 | Locking structure for rotating round nut in liquid environment |
| CN112160969B (en) * | 2020-10-27 | 2022-06-03 | 哈尔滨电气动力装备有限公司 | Locking structure for rotating round nut in liquid environment |
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