CN205877108U - Crank bolt assembly for aerospace - Google Patents
Crank bolt assembly for aerospace Download PDFInfo
- Publication number
- CN205877108U CN205877108U CN201620678863.9U CN201620678863U CN205877108U CN 205877108 U CN205877108 U CN 205877108U CN 201620678863 U CN201620678863 U CN 201620678863U CN 205877108 U CN205877108 U CN 205877108U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- crank
- head
- external screw
- bearing
- 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.)
- Withdrawn - After Issue
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Transmission Devices (AREA)
Abstract
The utility model belongs to the technical field of aerospace crank drive, especially, relate to a crank bolt assembly for aerospace. The utility model discloses a crank bolt, stock double -end nut, fender hook bolt, crank drive carousel and antifriction bearing, the crank bolt includes screw rod and head fender dish, external screw thread and back external screw thread before being provided with on the screw rod outer wall, both ends at the screw rod are provided with fore bearing groove and rear bearing groove along the screw rod inner wall, inner wall along head fender dish is provided with the outer gear groove that allies oneself with, stock double -end nut includes force bearing rod portion, and the both ends of force bearing rod portion are provided with the internal thread, keep off the hook bolt including keeping off first screw rod and pulling wrong head, keep off and be provided with the external screw thread that closes with interior thread to match on the outer wall of first screw rod, the crank drive carousel includes transmission carousel body, allies oneself with the gear groove on the lateral wall of transmission carousel body in being provided with, interior antithetical couplet gear groove can with ally oneself with the gear groove outward and mesh mutually.
Description
Technical field
This utility model belongs to Aero-Space crank gearing technical field, particularly relates to a kind of Aero-Space crank bolt
Assembly.
Background technology
In Aero-Space spacecraft Element Design, high performance parts are much more expensive, especially the biography of load-carrying member
Dynamic is key technology.Common load transmission is exactly to add upper bearing (metal) on an axle to carry out work, and this kind of drive frictional force is big, long
It is overheated that time service will cause, thus adds lossy, there is also the shortcomings such as noise is big, transmission efficiency is low simultaneously；Common axle
Using industrial insurance pin, inconvenient operation, holding capacity are little；Common transmission uses the transmission such as chain, belt, and noise is big, efficiency is low.
The aspect such as security reliability can not meet requirement, because its security reliability difference often results in flying of Aero-Space spacecraft simultaneously
Row safety coefficient is low and maintenance cost high.
In order to solve an above-mentioned difficult problem, under the theory of innovative design, crank bolt transmission is used just to be avoided that these shortcomings,
Meet the technical problem in multiple professional skill field simultaneously, also make simple in construction, processing simple, convenient use, safe and reliable
Property high.
Utility model content
This utility model provides for solving technical problem present in known technology that a kind of dismounting is convenient, transmission performance is excellent
Different, drive noise is little, rubbing little is not result in overheated Aero-Space crank bolt assembly.
This utility model is adopted the technical scheme that by solving technical problem present in known technology: a kind of aviation is navigated
It includes crank bolt, stock Double-ended nut, stopper bolt, crank gearing rotating disk and rolling bearing with crank bolt assembly；Institute
Stating crank bolt and include screw rod, one end of screw rod is provided with head block plate, runs through screw rod and head block plate offers through hole；Screw rod
Front external screw thread it is provided with, outer spiral shell after being provided with on the outer wall of head block plate one end on outer wall away from head block plate one end
Stricture of vagina, is polished rod portion between front external screw thread and rear external screw thread；It is arranged circumferentially for installing rolling along screw rod inwall at the two ends of screw rod
The fore bearing groove of dynamic bearing and rear bearing groove；Inwall along head block plate has been arranged circumferentially and has outreached gear grooved；Described stock double end
Nut includes that bearing rod portion, the two ends in bearing rod portion are provided with the cubic head of hollow, in the inwall of four directions head is provided with
Screw thread；Described stock Double-ended nut can be inserted in described through hole；Described stopper bolt includes stopper screw rod and twisting head, stopper
The external screw thread matched with female thread it is provided with on the outer wall of screw rod；Described crank gearing rotating disk includes driving turntable body, passes
The center of dynamic turntable body offers circular hole, and the sidewall of driving turntable body is provided with the inline gear grooved of annular, inline tooth
Race can be meshed with outreaching gear grooved.
Advantage of the present utility model and good effect be: crank bolt is sheathed on stock Double-ended nut, sets therebetween
Put rolling bearing, the bearing rod portion of stock Double-ended nut and matrix firmware holding geo-stationary, external force rotating crank driving turntable,
It is transferred on crank bolt by inline gear grooved, then is transferred to treat the inside of drive disk assembly, and bearing rod portion undertakes the axis of rolling
Hold axial force and the support force of matrix firmware of transmission.Whole transmission process frictional force is little, drive noise is low, transmission performance is excellent
Different, security reliability is high.
Preferably: described front external screw thread is consistent with rear externally threaded thread rotary orientation.
Preferably: described rolling bearing is deep groove ball bearing.
Preferably: the structure of described twisting head is polygonal twisting structure or annular knurl twisting structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is cross-sectional view of the present utility model；
Fig. 3 is the structural representation of crank bolt in Fig. 1；
Fig. 4 is the cross-sectional view of crank bolt in Fig. 1；
Fig. 5 is the structural representation of stock Double-ended nut in Fig. 1；
Fig. 6 is the cross-sectional view of stock Double-ended nut in Fig. 1；
Fig. 7 is the structural representation of stopper bolt in Fig. 1；
Fig. 8 is the structural representation of crank gearing rotating disk in Fig. 1.
In figure: 1, crank bolt；11, front external screw thread, 12, rear external screw thread；13, polished rod portion；14, head block plate；15, logical
Hole；16, fore bearing groove；17, rear bearing groove；18, gear grooved is outreached；2, stock Double-ended nut；21, bearing rod portion；22, square head
Portion；23, female thread；3, stopper bolt；31, stopper screw rod；32, twisting head；33, external screw thread；4, crank gearing rotating disk；41、
Driving turntable body；42, inline gear grooved；43, circular hole；5, rolling bearing.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example specifically
Bright as follows:
Referring to Fig. 1 and Fig. 2, this utility model includes that crank bolt 1, stock Double-ended nut 2, stopper bolt 3, crank pass
Dynamic rotating disk 4 and rolling bearing 5.
Referring to crank bolt 1 described in Fig. 3 and Fig. 4 and include screw rod, one end of screw rod is provided with head block plate 14, runs through spiral shell
Bar and head block plate 14 offer through hole 15；Screw rod is provided with front external screw thread 11 on the outer wall away from head block plate 14 one end, lean on
It is provided with rear external screw thread 12 on the outer wall of nearly head block plate 14 one end, is polished rod portion between front external screw thread 11 and rear external screw thread 12
13；It is arranged circumferentially the fore bearing groove 16 for installing rolling bearing 5 and rear bearing groove 17 along screw rod inwall at the two ends of screw rod；
Inwall along head block plate 14 has been arranged circumferentially and has outreached gear grooved 18.
Referring to Fig. 5 and Fig. 6, described stock Double-ended nut 2 includes that bearing rod portion 21, the two ends in bearing rod portion 21 are provided with
The cubic head 22 of hollow, the inwall of four directions head 22 is provided with female thread 23；Described stock Double-ended nut 2 can be inserted into described
In through hole 15.Square head 22 keeps geo-stationary with matrix firmware, bearing rod portion 21 undertake rolling bearing 5 transmission axial force and
The support force of matrix firmware.
Referring to Fig. 7, described stopper bolt 3 includes stopper screw rod 31 and twisting head 32, on the outer wall of stopper screw rod 31
It is provided with the external screw thread 33 matched with female thread 23.
Referring to Fig. 8, described crank gearing rotating disk 4 includes that driving turntable body 41, the center of driving turntable body 41 are opened
Being provided with circular hole 43, the sidewall of driving turntable body 41 is provided with the inline gear grooved 42 of annular, inline gear grooved 42 can be with outward
Connection gear grooved 18 is meshed.Crank gearing rotating disk 4 is connected with outreaching matrix, requires to be processed according to the transmission outreaching matrix.
In the present embodiment, described front external screw thread 11 is consistent with the thread rotary orientation of rear external screw thread 12, to ensure single-direction transmission.
In the present embodiment, described rolling bearing 5 is deep groove ball bearing.
In the present embodiment, the structure of described twisting head 32 is 12 jiaos of twisting structures, it should be noted that twisting head
32 can also be other two jiaos to bihexagonal polygonal twisting structure or annular knurl twisting structure, make installation tightening operation more just
Victory, tightens effect more preferable.
Use above-mentioned Aero-Space crank bolt assembly to treat the drive method of drive disk assembly, comprise the following steps: a,
Being screwed into by crank bolt 1 treats inside drive disk assembly, installs into rolling bearing 5 respectively in fore bearing groove 16 and rear bearing groove 17；
B, stock Double-ended nut 2 is inserted in through hole 15, the inline gear grooved 42 of crank gearing rotating disk 4 is engaged to crank bolt 1
Outreach in gear grooved 18；C, it is installed to, at matrix firmware, be screwed in by stopper bolt 3 by the cubic head 22 of stock Double-ended nut 2
Stock Double-ended nut 2 is fixed by the cubic head 22 at two ends；D, external force rotating crank driving turntable 4, by inline gear
Groove 42 is transferred on crank bolt 1, then is transferred to treat the inside of drive disk assembly.
In use, stock Double-ended nut 2 is arranged at matrix firmware this utility model, remains and fixes not
Dynamic；External impetus passes to crank bolt 1 by crank gearing rotating disk 4.
In this utility model, crank bolt 1 is sheathed on stock Double-ended nut 2, arranges therebetween rolling bearing 5, long
The bearing rod portion 21 of bar Double-ended nut 2 keeps geo-stationary with matrix firmware, and external force rotating crank driving turntable 4, by inline
Gear grooved 42 is transferred on crank bolt 1, then is transferred to treat the inside of drive disk assembly, and bearing rod portion 21 undertakes rolling bearing 5
The axial force of transmission and the support force of matrix firmware.Whole transmission process frictional force is little, drive noise is low, transmission performance is excellent,
Security reliability is high.
While there has been shown and described that the embodiment that this utility model is optimal, for those of ordinary skill in the art
Speech, it is possible to understand that these embodiments can be carried out multiple change in the case of without departing from principle of the present utility model and spirit
Changing, revise, replace and modification, protection domain of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. an Aero-Space crank bolt assembly, it is characterised in that: include crank bolt (1), stock Double-ended nut (2),
Stopper bolt (3), crank gearing rotating disk (4) and rolling bearing (5)；
Described crank bolt (1) includes screw rod, and one end of screw rod is provided with head block plate (14), runs through screw rod and head block plate
(14) through hole (15) is offered；Screw rod is provided with front external screw thread (11) on the outer wall away from head block plate (14) one end, near head
It is provided with rear external screw thread (12) on the outer wall of portion's block plate (14) one end, is polished rod between front external screw thread (11) and rear external screw thread (12)
Portion (13)；The two ends of screw rod be arranged circumferentially along screw rod inwall the fore bearing groove (16) for installing rolling bearing (5) and after
Bearing groove (17)；Inwall along head block plate (14) has been arranged circumferentially and has outreached gear grooved (18)；
Described stock Double-ended nut (2) includes bearing rod portion (21), and the two ends of bearing rod portion (21) are provided with the square head of hollow
Portion (22), the inwall in four directions head (22) is provided with female thread (23)；Described stock Double-ended nut (2) can be inserted into described through hole
(15) in；
Described stopper bolt (3) includes stopper screw rod (31) and twisting head (32), and the outer wall of stopper screw rod (31) is provided with
The external screw thread (33) matched with female thread (23)；
Described crank gearing rotating disk (4) includes that driving turntable body (41), the center of driving turntable body (41) offer circular hole
(43), the sidewall of driving turntable body (41) being provided with the inline gear grooved (42) of annular, inline gear grooved (42) can be with outward
Connection gear grooved (18) is meshed.
2. Aero-Space crank bolt assembly as claimed in claim 1, it is characterised in that: described front external screw thread (11) with after
The thread rotary orientation of external screw thread (12) is consistent.
3. Aero-Space crank bolt assembly as claimed in claim 2, it is characterised in that: described rolling bearing (5) is deep
Ditch ball bearing.
4. Aero-Space crank bolt assembly as claimed in claim 3, it is characterised in that: the knot of described twisting head (32)
Structure is polygonal twisting structure or annular knurl twisting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620678863.9U CN205877108U (en) | 2016-06-30 | 2016-06-30 | Crank bolt assembly for aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620678863.9U CN205877108U (en) | 2016-06-30 | 2016-06-30 | Crank bolt assembly for aerospace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877108U true CN205877108U (en) | 2017-01-11 |
Family
ID=57693137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620678863.9U Withdrawn - After Issue CN205877108U (en) | 2016-06-30 | 2016-06-30 | Crank bolt assembly for aerospace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205877108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952859A (en) * | 2016-06-30 | 2016-09-21 | 天津成立航空技术有限公司 | Crank bolt assembly used for aerospace and transmission method of crank bolt assembly |
| CN107989974A (en) * | 2017-11-29 | 2018-05-04 | 中山市小榄企业服务有限公司 | A kind of aerospace crank bolt component |
-
2016
- 2016-06-30 CN CN201620678863.9U patent/CN205877108U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952859A (en) * | 2016-06-30 | 2016-09-21 | 天津成立航空技术有限公司 | Crank bolt assembly used for aerospace and transmission method of crank bolt assembly |
| CN107989974A (en) * | 2017-11-29 | 2018-05-04 | 中山市小榄企业服务有限公司 | A kind of aerospace crank bolt component |
| CN107989974B (en) * | 2017-11-29 | 2020-08-21 | 江苏新成标准件有限公司 | Aerospace crank bolt assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180626 |