CN205806152U - The engagement type automatic locking mechanism of profile of tooth - Google Patents
The engagement type automatic locking mechanism of profile of tooth Download PDFInfo
- Publication number
- CN205806152U CN205806152U CN201620639757.XU CN201620639757U CN205806152U CN 205806152 U CN205806152 U CN 205806152U CN 201620639757 U CN201620639757 U CN 201620639757U CN 205806152 U CN205806152 U CN 205806152U
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- dead bolt
- motor
- tooth
- potentiometer
- ram seat
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Abstract
The utility model discloses a kind of engagement type automatic locking mechanism of profile of tooth, dead bolt can be provided with breach in the interior slip of lock bracket, the front end of dead bolt, potentiometer sensing chip is fixing with breach to be connected, the front end of dead bolt is provided with tooth, and the front end of lock bracket is stretched out in the front end of dead bolt, and rear end is provided with chute；Motor is fixed with lock bracket, the motor shaft of motor is fixed with ram seat, the cylindrical bar of ram seat can slide in the chute of dead bolt, disc spring group is enclosed within the cylindrical bar of ram seat, stepped screw is threadeded through the circular hole on the step surface of ram seat with dead bolt, and ram seat can be slided on stepped screw, and gap edge is provided with stopper slot, the front end face of lock bracket fixes limited block, and the targeting part of limited block is positioned at stopper slot；Potentiometer is fixed on lock bracket, and potentiometer sensing chip connects the induction end of potentiometer, and the signal output part of potentiometer connects the control signal input of motor.This utility model locking precision is high.
Description
Technical field
This utility model relates to machinery manufacturing technology field, in particular to a kind of engagement type automatic locking mechanism of profile of tooth.
Background technology
The most many shop test equipments and vehicle load measurement equipment use slew gear, such as turntable, levelling gear, has turned
Dynamic measuring instrument etc..For the automatization's demand during satisfied test, measurement, these apparatus for rotating will turn round in slew gear
Axle carries out auto lock.The most more common locking mechanism of rotating shaft mainly takes following three kinds of forms:
The first is to use socket type structural, during locking, motor forward drive, and spring catch is properly inserted rotating part
Locking hole in；During unblock, motor reverse drive, take spring catch out of locking hole.The advantage of this mechanism is reliable lock, lacks
Point is that work failure rate is higher, and locking precision is relatively low, it is impossible to meet the demand of multi-angle locking.
The second is to use axle hung type structure, and the structural principle countershaft mainly by brake block is held tightly, passes through
Motor pulling force controls opening or locking of brake block.The advantage of this mechanism is simple in construction, takes up room little, it is easy to installs and adjusts
Whole, shortcoming is that whole mechanism reliable lock is poor, and locking precision is the lowest, and needs periodically to be adjusted locking steel wire rope, uses
Safeguard relatively complicated.
The third is to use electromagnetic clutch locking type structure, mainly by the principle of electromagnetic clutch, at rotating shaft and seat
Installing an electromagnetic clutch between body, the power on/off being locked mechanism by whole electromagnetic clutch reaches locking or the mesh unlocked
, the advantage of this mechanism is low cost, simple in construction, it is little to take up room, and shortcoming is the electromagnetism produced during the work of whole mechanism
Field is relatively big, has bigger electromagnetic interference to equipment, and locking precision is the lowest.
Utility model content
The purpose of this utility model seeks to provide a kind of engagement type automatic locking mechanism of profile of tooth, solves existing revolution and sets
The problem existed when standby rotating shaft is locked, this retaining mechanism radially locks along rotating shaft, little, the low cost of axially taking up room,
Reliable lock, locking precision are high.
The engagement type automatic locking mechanism of profile of tooth for realizing this purpose, designed by this utility model, it is characterised in that: its bag
Include dead bolt, lock bracket, ram seat, disc spring group, stepped screw, motor mount, motor, limited block, potentiometer and electricity
Position device sensing chip, wherein, the periphery of dead bolt can slide on the inner ring of lock bracket, and the front end of dead bolt is provided with breach, current potential
One end of device sensing chip is fixing with breach to be connected, and the front end of dead bolt is provided with tooth, and the front end of lock bracket is stretched out in the front end of dead bolt, lock
The rear end of tongue is provided with chute；
The housing of motor is connected by motor mount is fixing with the rear end of lock bracket, the motor shaft of motor
Fixing with ram seat and be connected, the cylindrical bar of ram seat can slide in the chute of dead bolt, and disc spring group is enclosed within the cylindrical bar of ram seat
On, stepped screw is threadeded through the circular hole on the step surface of ram seat with dead bolt, and ram seat is by the circular hole on step surface
Can slide on stepped screw, the gap edge of described dead bolt is provided with stopper slot, and the front end face of described lock bracket is fixed spacing
Block, the targeting part of described limited block is positioned at stopper slot；
Described potentiometer is fixed on lock bracket, and the other end of potentiometer sensing chip connects the induction end of potentiometer, electricity
The signal output part of position device connects the control signal input of motor.
The beneficial effects of the utility model:
This utility model work by motor, dead bolt stretching motion, make dead bolt and locking gear from engagement
To completely disengaging from state, thus realizing retaining mechanism locking or the conversion of released state, locking positioning precision can reach 5 " with
In, testing equipment or measurement equipment are in hard locking state in transit.Whole automatic locking mechanism gross thickness can be controlled in
Within 45mm, shared axial dimension is less.During locking, motor is only by axial force.
This utility model contour structures is compact, it is little to take up room, low cost, assembling and convenient disassembly, reliable lock, locking
Unblock conversion is convenient and swift, do not affect equipment normally works；Can effectively solve work in existing several automatic rotary locking mechanism
Make the problems such as poor reliability, space hold is big, electromagnetic interference is big, locking precision is high.This utility model be applicable to automatic turntable, from
In the automatic rotary equipment such as dynamic levelling gear or automatically rotation measuring instrument, it is simultaneously applicable to the upgrading of this kind equipment, little
Type, technological improvement, have preferable using value and promotion prospect.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model；
Fig. 2 is cross-sectional view of the present utility model；
Fig. 3 is utility model works state sectional view；
Fig. 4 is the structural representation of dead bolt in this utility model；
Fig. 5 is the plan structure schematic diagram of ram seat in this utility model；
Wherein, 1 dead bolt, 1.1 breach, 1.2 teeth, 1.3 chutes, 1.4 stopper slots, 2 lock brackets,
2.1 inner rings, 3 ram seat, 3.1 circular holes, 3.2 cylindrical bars, 3.3 step surfaces, 4 disc spring groups, 5 stepped screws,
5.1 step surfaces, 6 resilient keys, 7 motor mounts, 8 motors, 9 limited blocks, 10 potentiometer pressing plates, 11
Potentiometer, 12 potentiometer sensing chips, A retaining mechanism installing plate, B locking gear installs rotating shaft B, C locking gear C.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The engagement type automatic locking mechanism of profile of tooth as shown in Fig. 1～5, it include dead bolt 1 (dead bolt 1 is cylinder, external diameter with
The inner ring 2.1 of lock bracket 2 matches), (lock bracket 2 is that cuboid band installs limit, ram seat 3, disc spring group for lock bracket 2
4, stepped screw 5 (stepped screw 5 is slotted cheese head screw, after ram seat 3 is fastened with dead bolt 1, can make ram seat 3 with
Dead bolt 1 forms gimbal structure, and the not concentricity problem preventing part's machining errors from bringing causes between dead bolt 1 and ram seat 3
Gap increase, and cause lock precision unreliable), resilient key 6, motor mount 7, motor 8, limited block 9, potentiometer 11
With potentiometer sensing chip 12, wherein, the periphery of dead bolt 1 can slide on the inner ring 2.1 of lock bracket 2, and the front end of dead bolt 1 sets
Jagged 1.1, one end of potentiometer sensing chip 12 is fixing with breach 1.1 to be connected, and the front end of dead bolt 1 is provided with tooth 1.2, dead bolt 1
The front end of lock bracket 2 is stretched out in front end, and the rear end of dead bolt 1 is provided with chute 1.3；
The housing of motor 8 is connected by motor mount 7 is fixing with the rear end of lock bracket 2, the electricity of motor 8
Arbor is fixing with ram seat 3 to be connected, and the cylindrical bar 3.2 of ram seat 3 can slide in the chute 1.3 of dead bolt 1, and disc spring group 4 is enclosed within
On the cylindrical bar 3.2 of ram seat 3, the bottom of disc spring group 4 contacts with the step surface 3.3 of ram seat 3, and stepped screw 5 is through push rod
Circular hole 3.1 on the step surface 3.3 of seat 3 is threadeded with dead bolt 1, and ram seat 3 passes through the circular hole 3.1 on step surface 3.3 can be
Sliding on stepped screw 5, breach 1.1 edge of described dead bolt 1 is provided with stopper slot 1.4, and the front end face of described lock bracket 2 is fixed
Limited block 9, the targeting part of described limited block 9 is positioned at stopper slot 1.4, and (limited block 9 is T-shaped limited block, limited block 9 main
Effect is to guide and limit dead bolt 1 to rotate in moving process)；
Described potentiometer 11 is fixed on lock bracket 2, and the other end of potentiometer sensing chip 12 connects the sense of potentiometer 11
Ying Duan, the signal output part of potentiometer 11 connects the control signal input of motor 8.
In technique scheme, the motor shaft of motor 8 is threadeded with ram seat 3 and is passed through resilient key 6 and fastens.Bullet
Property pin 6 prevent ram seat 3 be connected with motor 8 loosen.
In technique scheme, described potentiometer 11 is fixed on lock bracket 2 by potentiometer pressing plate 10.
In technique scheme, described tooth 1.2 has 1～3 profile of tooth, and tooth 1.2 can coordinate with locking gear B.
In technique scheme, described dead bolt 1, lock bracket 2, ram seat 3, disc spring group 4, motor mount 7 and stepping
The motor shaft of motor 8 is for being coaxially disposed.
In technique scheme, it is connected by ram seat, stepped screw, disc spring group between dead bolt 1 with motor 8, is formed
Gimbal type improves the reliability of retaining mechanism, and increases locking torque by disc spring group.
In technique scheme, dead bolt 1 and lock bracket 2 use same material, both ensureing under high and low temperature environment
Deflection suitable, be unlikely to stuck because of the difference of deflection or cause locking precision unreliable, typically use steel material
Processing；Motor mount 7, ram seat 3, stepped screw 5 and limited block 9 use steel material to process；Potentiometer sensing chip 12, electricity
Position device pressing plate 10 uses aluminum material or steel material processing.
In technique scheme, commercial 43000 type linear stepping motors selected by motor 8, and its motor shaft passes through screw thread
It is connected with the tapped blind hole in ram seat 3, and by joining punching, resilient key 6 is installed in hole, to prevent motor shaft in motion
And rotate between ram seat 3.
In technique scheme, disc spring group 4 (including 3 disc springs, be selection national standard Common parts) is logical in " V " shape
Structure, is passed through the disc 3.2 of ram seat 3 during installation, be attached on step surface 3.3, combination install time use " face-to-face " and
" back-to-back " interleaved mode, under locking state, disc spring group 4 is in compressive state, can increase the locking torque under locking state；Platform
Rank screw 5 is a word fluting socket cap, and its effect is to connect ram seat 3 and dead bolt 1, the circular hole 3.1 being passed through in ram seat
Be connected fastening with the screwed hole on dead bolt, now the step surface 5.1 on stepped screw develops, simultaneously with the end face 1.4 on dead bolt
Can guarantee that ram seat 3 and disc spring group 4 have certain activity surplus；
The present embodiment is arranged on a vehicle-mounted rotational measuring system, the auto lock of each framework and work in time transporting
Time each framework carry out locking, unlocking by software requirement, locking maximum moment be 30N m, locked position in the range of 360 ° by 9
Or 3 positions divided exactly, locking positioning precision is not more than 5 ".For simplifying whole implementation process, easy structure is used to substitute.Wherein wrap
Including retaining mechanism installing plate A, locking gear installs rotating shaft B, locking gear C.Locking gear C uses standard involute gear, tooth
Number is 40.
Locking workflow during utility model works is: motor 8 is energized, the motor axial lock of motor 8
Tight position is moved, and the motor shaft of motor 8 drives ram seat 3 to move to locked position, and ram seat 3 promotes dead bolt 1 (ram seat
3 slide on chute 1.3 and stepped screw 5), (disc spring group 4 now increases lock to make the tooth 1.2 of dead bolt 1 engage with locking gear C
Clamp force square), potentiometer 11 by potentiometer sensing chip 12 judge this utility model to locked position, potentiometer 11 controls stepping electricity
Machine 8 is shut down.
Unblock workflow during utility model works is: motor 8 is energized, and the motor of motor 8 axially solves
Lock position moves, and motor shaft drives ram seat 3 to move to unlocked position, and ram seat 3 drives dead bolt 1, make the tooth 1.2 of dead bolt 1 with
Locking gear C unclamps, by potentiometer sensing chip 12, potentiometer 11 judges that this utility model controls to unlocked position, potentiometer 11
Motor 8 is shut down.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (7)
1. the engagement type automatic locking mechanism of profile of tooth, it is characterised in that: it includes dead bolt (1), lock bracket (2), ram seat
(3), disc spring group (4), stepped screw (5), motor mount (7), motor (8), limited block (9), potentiometer (11) and electricity
Position device sensing chip (12), wherein, the periphery of dead bolt (1) above can slide at the inner ring (2.1) of lock bracket (2), dead bolt (1)
Front end is provided with breach (1.1), and one end of potentiometer sensing chip (12) is fixing with breach (1.1) to be connected, and the front end of dead bolt (1) is provided with
Tooth (1.2), the front end of dead bolt (1) stretches out the front end of lock bracket (2), and the rear end of dead bolt (1) is provided with chute (1.3)；
The housing of motor (8) is connected by motor mount (7) is fixing with the rear end of lock bracket (2), motor (8)
Motor shaft and ram seat (3) fixing be connected, the cylindrical bar (3.2) of ram seat (3) can be slided in the chute (1.3) of dead bolt (1)
Dynamic, disc spring group (4) is enclosed within the cylindrical bar (3.2) of ram seat (3), and stepped screw (5) is through the step surface of ram seat (3)
(3.3) circular hole (3.1) on is threadeded with dead bolt (1), and ram seat (3) can be by the circular hole (3.1) on step surface (3.3)
Stepped screw (5) is upper to slide, and breach (1.1) edge of described dead bolt (1) is provided with stopper slot (1.4), described lock bracket (2)
Front end face fixes limited block (9), and the targeting part of described limited block (9) is positioned at stopper slot (1.4)；
Described potentiometer (11) is fixed on lock bracket (2), and the other end of potentiometer sensing chip (12) connects potentiometer (11)
Induction end, the signal output part of potentiometer (11) connects the control signal input of motor (8).
The engagement type automatic locking mechanism of profile of tooth the most according to claim 1, it is characterised in that: the motor of motor (8)
Axle is threadeded with ram seat (3) and is fastened by resilient key (6).
The engagement type automatic locking mechanism of profile of tooth the most according to claim 1, it is characterised in that: described potentiometer (11) passes through
Potentiometer pressing plate (10) is fixed on lock bracket (2).
The engagement type automatic locking mechanism of profile of tooth the most according to claim 1, it is characterised in that: described tooth (1.2) have 1～
3 profiles of tooth, tooth (1.2) can coordinate with locking gear (C).
The engagement type automatic locking mechanism of profile of tooth the most according to claim 1, it is characterised in that: described dead bolt (1), locking
The motor shaft of frame (2), ram seat (3), disc spring group (4), motor mount (7) and motor (8) is for being coaxially disposed.
The engagement type automatic locking mechanism of profile of tooth the most according to claim 1, it is characterised in that: the end of described disc spring group (4)
End contacts with the step surface (3.3) of ram seat (3).
The engagement type automatic locking mechanism of profile of tooth the most according to claim 1, it is characterised in that: described limited block (9) is T-shaped
Limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639757.XU CN205806152U (en) | 2016-06-23 | 2016-06-23 | The engagement type automatic locking mechanism of profile of tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639757.XU CN205806152U (en) | 2016-06-23 | 2016-06-23 | The engagement type automatic locking mechanism of profile of tooth |
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| Publication Number | Publication Date |
|---|---|
| CN205806152U true CN205806152U (en) | 2016-12-14 |
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ID=57506336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620639757.XU Active CN205806152U (en) | 2016-06-23 | 2016-06-23 | The engagement type automatic locking mechanism of profile of tooth |
Country Status (1)
| Country | Link |
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| CN (1) | CN205806152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934410A (en) * | 2017-11-07 | 2018-04-20 | 湖北三江航天万峰科技发展有限公司 | A kind of Dual-spindle linked retaining mechanism |
| CN108233800A (en) * | 2017-12-20 | 2018-06-29 | 东莞理工学院 | One kind is suitable for mechanical stepper motor driver |
| CN111578015A (en) * | 2020-04-21 | 2020-08-25 | 余姚市恒威卡箍有限公司 | Locking worm drive formula clamp |
-
2016
- 2016-06-23 CN CN201620639757.XU patent/CN205806152U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934410A (en) * | 2017-11-07 | 2018-04-20 | 湖北三江航天万峰科技发展有限公司 | A kind of Dual-spindle linked retaining mechanism |
| CN107934410B (en) * | 2017-11-07 | 2019-07-16 | 湖北三江航天万峰科技发展有限公司 | A kind of Dual-spindle linked retaining mechanism |
| CN108233800A (en) * | 2017-12-20 | 2018-06-29 | 东莞理工学院 | One kind is suitable for mechanical stepper motor driver |
| WO2019119696A1 (en) * | 2017-12-20 | 2019-06-27 | 东莞理工学院 | Stepper motor driver suitable for mechanical procedure |
| CN108233800B (en) * | 2017-12-20 | 2019-10-01 | 东莞理工学院 | One kind being suitable for mechanical stepper motor driver |
| US10826417B2 (en) | 2017-12-20 | 2020-11-03 | Dongguan University Of Technology | Stepper motor driver for mechanical engineering |
| CN111578015A (en) * | 2020-04-21 | 2020-08-25 | 余姚市恒威卡箍有限公司 | Locking worm drive formula clamp |
| CN111578015B (en) * | 2020-04-21 | 2021-11-05 | 余姚市恒威卡箍有限公司 | Locking worm drive formula clamp |
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| GR01 | Patent grant |