CN106586027A - Reciprocating linear motion device - Google Patents
Reciprocating linear motion device Download PDFInfo
- Publication number
- CN106586027A CN106586027A CN201611142064.0A CN201611142064A CN106586027A CN 106586027 A CN106586027 A CN 106586027A CN 201611142064 A CN201611142064 A CN 201611142064A CN 106586027 A CN106586027 A CN 106586027A
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- CN
- China
- Prior art keywords
- displacement bar
- spring
- cavity
- contact
- displacement
- 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.)
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 241000719178 Carangoides ruber Species 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 5
- 230000006698 induction Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
The invention discloses a reciprocating linear motion device. A contactor is fixed to a front end of a displacement rod; the displacement rod is arranged in a supporting seat in a sleeving manner; a front cavity A and a rear cavity B are reserved between the displacement rod and the supporting seat; a linear motion ball bearing A is mounted in the front cavity A; a mounting ring and a fixed ring are respectively protruded at the middle and the rear end of an outer wall of the supporting seat; a spring seat sleeves the displacement rod, and is located in the rear cavity B; an extended spring blocking wall A is fixed to the fixed ring, and a cavity C is reserved between the spring blocking wall A and the displacement rod; a spring mounting position is reserved between the spring blocking wall A and the supporting seat; a linear motion ball bearing B is mounted in the cavity C; a spring blocking wall B of which the front end is propped against the front end wall of the rear cavity B is protruded on the displacement rod; the spring is mounted in the rear cavity B; and two guiding rods are arranged on an induction piece, and are separately inserted in corresponding guide rod inserting holes formed in the spring blocking wall A and the fixed ring. According to the reciprocating linear motion device disclosed by the invention, the friction of the joint position of the contactor and a cam or the friction of the joint position of the contactor and a reference wheel is low, and the contactor can prop against the cam or the reference wheel at all times, so that reciprocating motion can be performed without being blocked.
Description
Technical field
The present invention relates to a kind of straight reciprocating motion apparatus.
Background technology
To make propeller constantly match with aircraft engine, the optimum working efficiency of propeller is reached, need to be to the spiral shell of work
Rotation oar blade angle is measured and is gathered, and realizes blade angle closed loop control.Using " cam and reference wheel-push rod-sensing
Device " scheme can realize accurately measuring for blade angle.The push rod moment is now needed to lean cam or reference wheel and there is reciprocal fortune
It is dynamic, therefore, develop a kind of straight reciprocating motion apparatus just imperative.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, there is provided a kind of contact and cam or benchmark
At wheel binding site, friction is little, and can lean constantly cam or reference wheel, the reciprocating linear for moving back and forth without clamping stagnation
Telecontrol equipment.
For achieving the above object, technical solution of the invention is：A kind of straight reciprocating motion apparatus, including contact,
Displacement bar, bearing, two ball bushing A and B, two circlip for holes, spring, spring base and sensing chips；Contact
The front end of displacement bar is fixed on, which is pressed against reference wheel or the position of cam can roll；Displacement bar is enclosed within bearing, with bearing
Between leave former and later two cavitys A, B, ball bushing A is installed, and by the hole being enclosed within displacement bar in front cavity A
Use circlip gear；In the middle of bearing outer wall, projection has mounting ring and retainer ring respectively with rear end；Spring socket sleeve on displacement bar,
In rear cavity B, the spring retaining wall A for stretching out is fixed in retainer ring, and which leaves cavity C between displacement bar, with bearing it
Between leave spring installation position；Ball bushing B is installed in cavity C, and by another hole bullet being enclosed within displacement bar
Property back-up ring gear；On displacement bar, projection has front end to act against the spring retaining wall B on the front bulkhead of rear cavity B, after spring is arranged on
In cavity B, front-end and back-end are acted against on spring retaining wall B and spring retaining wall A respectively；There are two guide posts on sensing chip, be oriented to
Bar is inserted in the guiding bar jack being provided with spring retaining wall A and retainer ring；Sensing chip is fixed on by pin in the position of central shaft
On displacement bar, on the sensing chip at pin two ends, punching point is locking respectively.
It is further preferred that the structure of described contact is：Contact is the cylinder that front end is taper, and end is provided with position thereafter
Bar thread groove is moved, front end is provided with the big steel ball holding tank connected with thread groove；There is screw thread displacement bar front end, and which is threaded in tactile
It is in head thread groove and anti-rotational in contact and displacement bar cottering by fastening；Displacement bar front end is provided with circular groove；Circular arc
Multiple small balls are installed in connected in star, big steel ball holding tank is provided with big steel ball, and big steel ball is contacted with each small ball.This contact
Big steel ball is difficult for drop-off, rotates flexible, is rolling friction between small ball, little, long service life of wearing and tearing.
There is spring in the present invention so as to can move back and forth and there is initial compression elastic force, contact can be leaned constantly
Cam or reference wheel；It is rolling friction at contact and cam or reference wheel binding site, device abrasion very little during use；This
Ball bushing is installed in invention, can moving back and forth without clamping stagnation；Guide post on sensing chip ensures sensing chip
Can not rotate.In a word, present configuration is relatively easy, can be realized that field maintenance is changed, be filled during use with integral disassembly, assembly
Abrasion very little is put, is moved along a straight line flexibly, without clamping stagnation, can accurately be transmitted straight-line displacement；With anti-rotating function, range of application is more
Extensively.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation that the present invention is arranged in displacement angle measuring device；
Fig. 3 is the structural representation that the present invention is arranged in benchmark angle measuring device.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present embodiment includes contact 3, displacement bar 5,8, two ball bushing A 7 and B of bearing
10th, two circlip for holes 6 and 11, spring 9, spring base 12 and sensing chip 13.Contact 3 is fixed on the front end of displacement bar 5, its
The position for being pressed against reference wheel 26 or cam 24 can roll.It is further preferred that the structure of contact 3 is：Contact 3 for front end is
The cylinder of taper, thereafter end be provided with displacement bar thread groove, front end is provided with the big steel ball holding tank connected with thread groove；Displacement bar
There is screw thread 5 front ends, and which is threaded in contact thread groove, and anti-rotational in contact 3 and 5 cottering 4 of displacement bar by fastening；
5 front end of displacement bar is provided with circular groove；Multiple small balls 2 are installed in circular groove, big steel ball holding tank is provided with greatly
Steel ball 1, big steel ball 1 are contacted with each small ball 2.Displacement bar 5 is enclosed within bearing 8, and former and later two cavitys are left between bearing 8
A, B, are provided with ball bushing A 7 in front cavity A, and by 6 gear of circlip for hole being enclosed within displacement bar 5.
In the middle of 8 outer walls of seat, projection has mounting ring 15 and retainer ring 16 respectively with rear end.Spring base 12 is enclosed within displacement bar 5, positioned at rear sky
In the B of chamber, the spring retaining wall A 17 for stretching out is fixed in retainer ring 16, and which leaves cavity C between displacement bar 5, between bearing 8
Leave spring installation position.Ball bushing B 10 is installed in cavity C, and is used by another hole being enclosed within displacement bar 5
11 gear of circlip.On displacement bar 5, projection has front end to act against the spring retaining wall B 21 on the front bulkhead of rear cavity B, spring 9
In rear cavity B, front-end and back-end are acted against on spring retaining wall B 21 and spring retaining wall A 17 respectively.Bearing 8 is by peace
Sabot 28 is fixed on propeller oar shell, has two guide posts 18 on sensing chip 3, and guide post 18 inserts spring retaining wall A 17 and consolidates
Determine in the guiding bar jack that is provided with ring 16；Sensing chip 13 is fixed on displacement bar 5, in pin by pin 14 in the position of central shaft
On the sensing chip 13 at sub 14 two ends, punching point 22 is locking respectively.
If Fig. 2 is the structural representation that straight reciprocating motion apparatus of the present invention 23 are arranged in displacement angle measuring device, this
The contact 3 of invention is pressed against the starting point of cam 24, current vortex sensor 25 of its sensing chip 13 just to displacement angle measuring device.
If Fig. 3 is the structural representation that straight reciprocating motion apparatus of the present invention 23 are arranged in benchmark angle measuring device, this
The contact 3 of invention is pressed against the starting point of reference wheel 26, its current vortex sensor of sensing chip 13 just to benchmark angle measuring device
27。
Above-described embodiment is only preferred and exemplary, and those skilled in the art can be done according to the spirit of this patent
Same technological improvement, these are all covered by the protection domain of this patent.
Claims (2)
1. a kind of straight reciprocating motion apparatus, it is characterised in that：Including contact, displacement bar, bearing, two ball bushings
A and B, two circlip for holes, spring, spring base and sensing chips；Contact is fixed on the front end of displacement bar, and which is pressed against benchmark
The position of wheel or cam can roll；Displacement bar is enclosed within bearing, and former and later two cavitys A, B, front cavity are left between bearing
Ball bushing A is installed in A, and by the circlip for hole gear being enclosed within displacement bar；In the middle of bearing outer wall with after
Projection has mounting ring and retainer ring respectively at end；, on displacement bar, in rear cavity B, the spring retaining wall A for stretching out is solid for spring socket sleeve
It is scheduled in retainer ring, which is left between displacement bar；It is provided with cavity C straight
Line motion ball bearing B, and by another circlip for hole gear being enclosed within displacement bar；On displacement bar, projection has front end to lean
Spring retaining wall B on the front bulkhead of rear cavity B, in rear cavity B, front-end and back-end act against spring catch to spring respectively
On wall B and spring retaining wall A；There are two guide posts, the guiding being provided with guide post insertion spring retaining wall A and retainer ring on sensing chip
In bar jack；Sensing chip is fixed on displacement bar by pin in the position of central shaft, is rushed on the sensing chip at pin two ends respectively
Point is locking.
2. straight reciprocating motion apparatus according to claim 1, it is characterised in that：The structure of described contact is：Contact
For front end for taper cylinder, thereafter end be provided with displacement bar thread groove, front end is provided with big steel ball receiving connect with thread groove
Groove；There is screw thread displacement bar front end, and which is threaded in contact thread groove, and is prevented in contact and displacement bar cottering by fastening
Rotation；Displacement bar front end is provided with circular groove；Multiple small balls are installed in circular groove, big steel ball holding tank is provided with
Big steel ball, big steel ball are contacted with each small ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142064.0A CN106586027A (en) | 2016-12-12 | 2016-12-12 | Reciprocating linear motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142064.0A CN106586027A (en) | 2016-12-12 | 2016-12-12 | Reciprocating linear motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106586027A true CN106586027A (en) | 2017-04-26 |
Family
ID=58599075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611142064.0A Pending CN106586027A (en) | 2016-12-12 | 2016-12-12 | Reciprocating linear motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106586027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374954A (en) * | 2019-07-22 | 2019-10-25 | 中南大学 | It is segmented boosting-type linear motion device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB649391A (en) * | 1948-07-15 | 1951-01-24 | Thomas Mercer Ltd | Improvements relating to dial gauges for linear measurements |
| US20140305217A1 (en) * | 2013-04-12 | 2014-10-16 | The Boeing Company | Apparatus for Automated Rastering of an End Effector Over an Airfoil-Shaped Body |
| CN204214395U (en) * | 2014-11-28 | 2015-03-18 | 江西天河传感器科技有限公司 | Push-down contact linear movement pick-up |
| CN204988759U (en) * | 2015-08-20 | 2016-01-20 | 安徽云翼航空技术有限公司 | Rotor craft gesture test system |
| CN105486220A (en) * | 2015-11-23 | 2016-04-13 | 中国南方航空工业(集团)有限公司 | Propeller pitch measuring device |
| CN206417221U (en) * | 2016-12-12 | 2017-08-18 | 惠阳航空螺旋桨有限责任公司 | A kind of straight reciprocating motion apparatus |
-
2016
- 2016-12-12 CN CN201611142064.0A patent/CN106586027A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB649391A (en) * | 1948-07-15 | 1951-01-24 | Thomas Mercer Ltd | Improvements relating to dial gauges for linear measurements |
| US20140305217A1 (en) * | 2013-04-12 | 2014-10-16 | The Boeing Company | Apparatus for Automated Rastering of an End Effector Over an Airfoil-Shaped Body |
| CN204214395U (en) * | 2014-11-28 | 2015-03-18 | 江西天河传感器科技有限公司 | Push-down contact linear movement pick-up |
| CN204988759U (en) * | 2015-08-20 | 2016-01-20 | 安徽云翼航空技术有限公司 | Rotor craft gesture test system |
| CN105486220A (en) * | 2015-11-23 | 2016-04-13 | 中国南方航空工业(集团)有限公司 | Propeller pitch measuring device |
| CN206417221U (en) * | 2016-12-12 | 2017-08-18 | 惠阳航空螺旋桨有限责任公司 | A kind of straight reciprocating motion apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374954A (en) * | 2019-07-22 | 2019-10-25 | 中南大学 | It is segmented boosting-type linear motion device |
| CN110374954B (en) * | 2019-07-22 | 2020-06-30 | 中南大学 | Sectional reinforcement type linear motion device |
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