CN109372840A - A kind of high-precision retaining mechanism of resistance to large impact and vibration - Google Patents
A kind of high-precision retaining mechanism of resistance to large impact and vibration Download PDFInfo
- Publication number
- CN109372840A CN109372840A CN201811211580.3A CN201811211580A CN109372840A CN 109372840 A CN109372840 A CN 109372840A CN 201811211580 A CN201811211580 A CN 201811211580A CN 109372840 A CN109372840 A CN 109372840A
- Authority
- CN
- China
- Prior art keywords
- locking
- fixed tooth
- retaining mechanism
- precision
- vibration
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000003028 elevating effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 230000036339 tooth positioning Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 241000202814 Cochliomyia hominivorax Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004153 renaturation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 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
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
- F16B1/04—Means for securing elements of mechanisms after operation disengaged by movement of the actuating member of the element
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to the retaining mechanisms of a kind of resistance to large impact and vibration.The retaining mechanism is driven using servo motor, by the transmitting of worm and gear and screw thread, fixed tooth disk is driven to move along a straight line, until fixed tooth disk and active toothed disk (being mounted on carrier) are at a fully engaged, realizes positioning and locking function.It, can also be locking under certain frictional force since worm gear design is worm and gear that can be self-locking, the phenomenon which can reliably lock, be not in loosening, and worm gear and fluted disc using thread connecting mode.It can be realized the high accuracy positioning of fixed tooth disk under the cooperation for being oriented to close pearl simultaneously.The high-precision retaining mechanism of resistance to large impact and vibration finally can be achieved.
Description
Technical field
The present invention relates to certain high accuracy positioning locking equipment, more particularly, under complex environment (high/low temperature, impact,
Vibration etc.) high-precision locking equipment, be mainly used on certain special turret plants, one carried out when turntable is static
Determine the locking of precision, and can also guarantee the precision under complex environment.
Background technique:
With the needs of development and the industry of new technology, calibration technique is also constantly developing.It is more first in order to meet
Into scaling method, and can meet large impact and vibration automatically by calibration facility to locking after the completion of calibration
Precision when also guaranteeing locking under dynamic requirement is constant.Then traditional retaining mechanism is larger, and fights shock and vibration
Ability it is poor, thus be difficult to realize under impact vibration environment guarantee locking precision.
Summary of the invention:
The purpose of the invention is to which existing scaling method can be made further to be promoted, so that being demarcated under original line
Become demarcating on line, calibrated state can be made to remain unchanged by retaining mechanism after the completion of calibration.The realization of the invention can
With the great time for shortening calibration, workload when calibration is reduced.
The object of the present invention is achieved like this:
Resistance to large impact and the high-precision retaining mechanism of vibration pass through two cover locking mechanisms to being locked when in use in the present invention
Tight product is locked, and there are elevating mechanism in two cover locking mechanisms, and not existing together, it is past to be that a set of retaining mechanism pushes sliding nut to do
Linear motion completes sliding nut and engages and disengage with the mandril being locked on product, and another set of retaining mechanism is to push to determine
Fluted disc does linear reciprocating motion, complete fixed tooth disk on the product that is locked active toothed disk engage and disengagement.Two cover locking mechanisms are same
When act on and be locked on product, the common locking completed to the product that is locked is locked by one end band precision, what one end compressed
Mode can guarantee to lock precision and locking rigidity.
Elevating mechanism is one of core of retaining mechanism, and using Worm gear feed screw as elevating mechanism, elevating mechanism, which pushes, to be slided
Dynamic nut or locking fixed tooth disk are towards the product movement that is locked, until nibbling with the locking mandril or locking active toothed disk being locked on product
It closes, therefore is used to group in the case where locking and is directly securely attached to together, be formed with pedestal by end-toothed disc and elevating mechanism
Rigid connection.Simultaneously because elevating mechanism screw pair uses triangle thread, therefore the elevating mechanism self-locking performance is fine, can make
Elevating mechanism is reliably locked in the case where motor powers off, and screw rod drives worm couple to drive by servo motor.
A set of Mi Zhu mechanism is installed in locking fixed tooth disk (or sliding nut) outer ring.Mi Zhu mechanism is retaining mechanism key
One of components, and the critical support reliably locked.Mi Zhu mechanism needs to match with locking fixed tooth disk (or sliding nut) precision
Conjunction can reach the requirement reliably locked.If there are gap between Mi Zhu mechanism and locking fixed tooth disk (or sliding nut),
Then can be under the conditions of vibratory impulse, the product that makes to be locked generates the shaking of minute angle, and certain impact can be also generated to worm gear
Power is deformed worm gear, and effective data can not be provided by eventually leading to the product that is locked；If Mi Zhu mechanism and locking are fixed
Magnitude of interference between fluted disc is excessive, then can increase the frictional force between locking fixed tooth disk and close pearl, make the power output of servo motor
Square is not enough to drive the elevating movement of locking fixed tooth disk (or sliding nut), and eventually leading to can not disengage or take off under locking state
The problem of can not being locked under open state.
Guide rod is mainly used for preventing angular turn of locking fixed tooth disk (or sliding nut) in lifting process, in worm screw
Worm gear rotation is driven, worm gear nose threads drive in locking fixed tooth disk movement, and guide rod is constrained as one, will lock fixed tooth disk
The freedom degree constraint that (or sliding nut) is rotated along worm gear axis, so that locking fixed tooth disk (or sliding nut) can not be done and rotate
Movement, is merely able to move up and down.By the precision-fit of guide rod and guide holder, can reliably guarantee in elevating movement
Fixed tooth disk (or sliding nut) is locked in journey and does not generate any angle beat, can guarantee its repeatability in multiple locking
Precision.
Guide rod, the cooperation of guide holder and close pearl and Mi Zhu mechanism and locking fixed tooth disk (or sliding nut) cooperation require base
This is consistent.If there are gaps for cooperation, locking fixed tooth disk can be made to rotate movement in lifting process, cause to lock essence weight
Renaturation cannot be met the requirements；If the matching allowance of guide rod, guide holder and close pearl is excessive, locking fixed tooth disk not only will increase
The frictional force of (or sliding nut) elevating movement, can also when guide rod generate biggish bending stress, when guide rod damage.
Detailed description of the invention:
Fig. 1 retaining mechanism schematic diagram (band fluted disc)
Fig. 2 retaining mechanism schematic diagram (band sliding nut)
Fig. 3 locking mechanism structure Fig. 1
Fig. 4 locking mechanism structure Fig. 2
As shown in the following figure:
1, locking bed 2, worm gear 3, worm screw
4, angular contact bearing 5, locking motor seat 6, servo motor
7, infrared sensor 8, guide holder 9, the close pearl frame of guiding
10, guide rod 11, close pearl 12, travel switch
13, fixed tooth disk 14, close pearl frame 15, close pearl seat
Specific embodiment:
Below with reference to embodiment and compares attached drawing the invention will be further described.
A kind of high-precision retaining mechanism of resistance to large impact and vibration, including by locking bed, worm and gear, fluted disc, bearing, lead
It is formed to components such as bar, dense ball bearing shaftings.Locking bed (1) is the pedestal of retaining mechanism, and remaining parts are installed in locking bed (1)
On, locking bed (1) can be fixed on calibration facility by screw.Worm gear (2) is mounted among the center hole of locking bed, worm gear
(2) be supported axially through two angular contact ball bearings (4).Worm screw (3) are installed in the transverse holes of locking bed (1), with
Worm gear (2) matches, and the axial direction of worm screw (3) is supported also by two angular contact ball bearings (4).Pacify in the output end of worm screw
A locking motor seat (5) is filled, the part is other than installing servo motor (6), additionally it is possible to compress to bearing, place axis
Hold play.Infrared sensor (7) are installed on the two sides side wall of locking bed (1) installation worm screw (3), as electrical guarantor when using
Shield
Close pearl component is installed in the lower end of locking bed (1), wherein contain close pearl seat (15), close pearl bracket (14) and close
Pearl (11) installs fixed tooth disk (13) inside it, and fluted disc (13) moved screw thread and connect with worm gear (2), while protecting with close pearl (11)
Demonstrate,prove the tolerance of certain size.
There are one the holes of installation guiding mechanism on the outside of locking bed (1), install guide holder (8) in the position, are oriented to close
Pearl frame (9), close pearl (11) and guide rod (10).
It is also equipped with travel switch (12) on fixed tooth disk (13) and locking bed (1), the effect of travel switch (12) is to work as
Travel switch (12) are touched when fixed tooth disk (13) moves in place, indicate to execute in place, and act on as electic protection.
Working method: by instructing to servo motor, so that servo motor rotates, worm screw rotation is driven, worm screw drives simultaneously
Dynamic worm gear movement.Worm gear move when, fixed tooth disk (or sliding nut) due to being connected with worm gear by screw thread, while again by
Work as fortune to the constraint of guide rod so that fixed tooth disk (or sliding nut) can only carry out moving along a straight line along the direction of worm gear shaft
It moving to when being engaged with active toothed disk (or mandril), infrared sensor is by there is no the variations of the electric frequency of height, while travel switch is touched,
Indicate movement in place, then servo motor disconnects enabled, and stop motion is locked in place at this time.Working method and lock when disengagement
It is tight the same.
Claims (1)
1. the high-precision retaining mechanism of a kind of resistance to large impact and vibration, it is characterised in that:
(1) worm and gear and angular thread are used cooperatively, rotary motion is converted to by the driving of servo motor by straight line fortune
Dynamic, the fixed tooth disk enable is engaged by moving along a straight line with active toothed disk；
(2) mechanism is locked by the way of end tooth positioning, its working principle is that passing through machinery using multiple tooth index technology
Positioning and locking mode, make active toothed disk and fixed tooth disk rigidity mesh together, have positioning accuracy it is high, reproducible, anti-
The features such as vibration and shock resistance.
(3) in order to improve the reliability of retaining mechanism, it joined infrared detector protection in retaining mechanism and stroke opened
Close protection.
(4) it joined Mi Zhu mechanism to ensure retaining mechanism in the environment of vibration and impact and can guarantee to lock precision not
Become；
(5) guide rod is mainly used for preventing angular turn of locking fixed tooth disk (or sliding nut) in lifting process by leading
To the precision-fit of bar and guide holder, can reliably guarantee to lock fixed tooth disk (or sliding nut) no during elevating movement
Any angle beat is generated, can guarantee its repeatability precision in multiple locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211580.3A CN109372840A (en) | 2018-10-18 | 2018-10-18 | A kind of high-precision retaining mechanism of resistance to large impact and vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211580.3A CN109372840A (en) | 2018-10-18 | 2018-10-18 | A kind of high-precision retaining mechanism of resistance to large impact and vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109372840A true CN109372840A (en) | 2019-02-22 |
Family
ID=65400143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811211580.3A Pending CN109372840A (en) | 2018-10-18 | 2018-10-18 | A kind of high-precision retaining mechanism of resistance to large impact and vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372840A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764542A (en) * | 2019-10-23 | 2020-02-07 | 中船九江精达科技股份有限公司 | Locking force adjusting method of indexing fluted disc in vibration environment |
| CN112212174A (en) * | 2019-07-10 | 2021-01-12 | 九江精密测试技术研究所 | Locking fine adjustment mechanism of small two-dimensional rotary table |
| CN112792587A (en) * | 2021-01-20 | 2021-05-14 | 奔腾激光科技(山东)有限公司 | Locking and positioning device capable of being automatically adjusted |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2043539A1 (en) * | 1969-09-15 | 1971-05-13 | Duff Norton Co | Self-blocking transmission mechanism |
| CN101219656A (en) * | 2006-10-06 | 2008-07-16 | 株式会社有信 | Steering lock unit |
| CN201843943U (en) * | 2010-11-03 | 2011-05-25 | 单建民 | Worm gear reducer for clutch of ejector rod |
| CN203010139U (en) * | 2012-12-18 | 2013-06-19 | 江西钜维科技有限公司 | Cloud deck bidirectional unpowered locking device |
| CN105020216A (en) * | 2015-07-06 | 2015-11-04 | 中国电子科技集团公司第二十研究所 | Manual/automatic integrated locking device |
| CN207687116U (en) * | 2017-12-08 | 2018-08-03 | 九江精达检测技术有限公司 | A kind of small size locking device based on fluted disc |
-
2018
- 2018-10-18 CN CN201811211580.3A patent/CN109372840A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2043539A1 (en) * | 1969-09-15 | 1971-05-13 | Duff Norton Co | Self-blocking transmission mechanism |
| CN101219656A (en) * | 2006-10-06 | 2008-07-16 | 株式会社有信 | Steering lock unit |
| CN201843943U (en) * | 2010-11-03 | 2011-05-25 | 单建民 | Worm gear reducer for clutch of ejector rod |
| CN203010139U (en) * | 2012-12-18 | 2013-06-19 | 江西钜维科技有限公司 | Cloud deck bidirectional unpowered locking device |
| CN105020216A (en) * | 2015-07-06 | 2015-11-04 | 中国电子科技集团公司第二十研究所 | Manual/automatic integrated locking device |
| CN207687116U (en) * | 2017-12-08 | 2018-08-03 | 九江精达检测技术有限公司 | A kind of small size locking device based on fluted disc |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212174A (en) * | 2019-07-10 | 2021-01-12 | 九江精密测试技术研究所 | Locking fine adjustment mechanism of small two-dimensional rotary table |
| CN110764542A (en) * | 2019-10-23 | 2020-02-07 | 中船九江精达科技股份有限公司 | Locking force adjusting method of indexing fluted disc in vibration environment |
| CN110764542B (en) * | 2019-10-23 | 2022-09-09 | 中船九江精达科技股份有限公司 | Locking force adjusting method for indexing fluted disc in vibration environment |
| CN112792587A (en) * | 2021-01-20 | 2021-05-14 | 奔腾激光科技(山东)有限公司 | Locking and positioning device capable of being automatically adjusted |
| CN112792587B (en) * | 2021-01-20 | 2022-03-01 | 奔腾激光科技(山东)有限公司 | Locking and positioning device capable of being automatically adjusted |
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Application publication date: 20190222 |
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