CN209542946U - System actuator is taken aim in the closed sight of one kind - Google Patents
System actuator is taken aim in the closed sight of one kind Download PDFInfo
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- CN209542946U CN209542946U CN201920486637.4U CN201920486637U CN209542946U CN 209542946 U CN209542946 U CN 209542946U CN 201920486637 U CN201920486637 U CN 201920486637U CN 209542946 U CN209542946 U CN 209542946U
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- steel band
- tightening mechanism
- pressure spring
- spring pre
- tension spring
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Abstract
The utility model discloses a kind of closed sights to take aim at system actuator, including the bull wheel, tension spring pre-tightening mechanism, pressure spring pre-tightening mechanism, steamboat set gradually from top to bottom, it is connected between the bull wheel and pressure spring pre-tightening mechanism by the first steel band, and first steel band be equipped with tension spring pre-tightening mechanism, it is connected between the pressure spring pre-tightening mechanism and steamboat by the second steel band, the bull wheel and steamboat are high-precision driving wheel and diameter ratio is 2:1, the two passes through the first steel band, the second steel band positive drive, transmission ratio 2:1；The pressure spring pre-tightening mechanism includes pre-tightening seat, pressure spring, pre-tightening frame, and the tension spring pre-tightening mechanism includes bracket and tension spring.The utility model uses two high-precision driving wheels of 2:1 diameter, carries out positive drive using steel band, keeps transmission accurate reliable, can meet sight and take aim at systematic technical indicator requirement, deft design occupies little space, easy to assembly, high-low temperature resistant, resistance to thump, vibration resistance.
Description
Technical field
The utility model relates to optical devices technologies fields, are related to the light axis consistency hunting gear of mechanical type, especially
It is related to the closed sight of one kind and takes aim at system actuator.
Background technique
Closed Head mirror has been applied to closed sight and has taken aim in system, and Closed Head mirror can facilitate carry is all kinds of to take aim at tool,
It is able to satisfy sight and takes aim at Special use requirement of the system under high and low temperature and thump, vibration.Closed Head mirror is in use, pass through
Optical axis and sight after reflecting prism reflection take aim at the optical axis coincidence of system, and it is -30 to+70 ° that system pitching scope is taken aim in sight, therefore must protect
The rotation that card prism takes aim at system pitch axis with sight is accurately in the corresponding relationship of 1:2.
Prism and sight at present takes aim between system that the most commonly used is belt transmission and gear drives, but since transmission belt itself is deposited
In deformation, and under high temperature and thump, vibration environment, take aim at tool complete machine light shaft offset amount well beyond technical indicator, can not
Guarantee precision, though and gear drive can guarantee precision, excessive with volume and weight due to special space requirement, cost
The defects of excessively high and excessively complicated.
Utility model content
In order to overcome the disadvantages mentioned above of the prior art, the utility model provides the closed sight of one kind and takes aim at drive system dress
It sets, using two high-precision driving wheels of 2:1 diameter, positive drive is carried out using steel band, keep transmission accurate reliable, sight can be met
Systematic technical indicator requirement is taken aim at, deft design occupies little space, easy to assembly, high-low temperature resistant, resistance to thump, vibration resistance.
In order to achieve the above objectives, the technical solution adopted in the utility model is: system actuator is taken aim in the closed sight of one kind,
Including the bull wheel, tension spring pre-tightening mechanism, pressure spring pre-tightening mechanism, steamboat set gradually from top to bottom, the bull wheel and pressure spring are pre-tightened
It is connected between mechanism by the first steel band, and the first steel band is equipped with tension spring pre-tightening mechanism, the pressure spring pre-tightening mechanism and steamboat
Between connected by the second steel band, the bull wheel and steamboat is high-precision driving wheel and diameter ratio is 2:1, the steamboat is fixed on
It is driving wheel on pitch axis, it is driven wheel on prism axis that bull wheel, which is fixed on, and the two is rigidly passed by the first steel band, the second steel band
It is dynamic, transmission ratio 2:1；The pressure spring pre-tightening mechanism includes pre-tightening seat, pressure spring, pre-tightening frame, and described preload seat one end connects pressure spring,
The other end connects the second steel band, and described preload frame one end connects pressure spring, and the other end connects the first steel band, the tension spring pre-tightening mechanism
Including bracket and tension spring.
Further, first steel band, the second steel band fixation position using cambered surface contact, and cambered surface contact position
Equipped with arc compression block.
Compared with prior art, the utility model has the following beneficial effects: the utility model is high-precision using two of 2:1 diameter
Driving wheel is spent, positive drive is carried out using steel band, keeps transmission accurate reliable, can meet and guarantee prism and see to take aim at system pitch axis
Rotation is accurately in the corresponding relationship of 1:2；The utility model uses two kinds of pre-tightening mechanisms, and pressure spring pre-tightening mechanism can be pre-tightened by adjusting
Frame top nut carries out angle adjustment, and the optical axis after reflecting by reflecting prism and sight is made to take aim at the optical axis coincidence of system, and tension spring pre-tightens
Mechanism is pre-tightened locking again, it is ensured that registration is reliable, thus guarantee the structure after assembling and adjustment through high/low temperature and
After thump, vibration test, light shaft offset amount meets technical indicator.In short, 1) the utility model, which includes, carries out rigid biography by steel band
It is dynamic, keep transmission accurate reliable, sight can be met and take aim at systematic technical indicator requirement；2) steel band stress and fixed position are solid using cambered surface
It is fixed, it can avoid stress and concentrate, keep steel band not easy to break；3) the dual preload of pressure spring and tension spring is used, it is ensured that firm position is reliable；
4) mechanism deft design occupies little space, easy to assembly, and high-low temperature resistant, resistance to thump, vibration resistance.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 show the utility model structure diagram.
Specific embodiment
It is described in detail below in conjunction with the technical scheme in the embodiment of the utility model:
Shown in referring to Fig.1, system actuator is taken aim in a kind of closed sight, including set gradually from top to bottom bull wheel 1, draw
Spring pre-tightening mechanism 2, pressure spring pre-tightening mechanism 3, steamboat 4 are connected between the bull wheel 1 and pressure spring pre-tightening mechanism 3 by the first steel band 5
It connects, and the first steel band 5 is equipped with tension spring pre-tightening mechanism 2, is connected between the pressure spring pre-tightening mechanism 3 and steamboat 4 by the second steel band 6
It connects, the bull wheel 1 and steamboat 4 is high-precision driving wheel and diameter ratio is 2:1, the steamboat 4 is fixed on pitch axis 7 as actively
Wheel, it is driven wheel on prism axis 8 that bull wheel 1, which is fixed on, and the two is by the first steel band 5,6 positive drive of the second steel band, transmission ratio
2:1, transmission is accurate reliable, can meet and guarantee prism and see the corresponding relationship that the rotation for taking aim at system pitch axis is accurately in 1:2；It is described
Pressure spring pre-tightening mechanism 3 includes pre-tightening seat 9, pressure spring 10, pre-tightening frame 11, and described 9 one end of preload seat connects pressure spring 10, other end connection
Second steel band 6, described 11 one end of preload frame connect pressure spring 10, and the other end connects the first steel band 5, pre-tighten spiral shell on frame 11 by adjusting
Mother carries out angle adjustment, and the optical axis after reflecting by reflecting prism and sight is made to take aim at the optical axis coincidence of system, the tension spring pretightening machine
Structure 2 includes bracket 12 and tension spring 13, is pre-tightened again to steel band locking, it is ensured that registration is reliable.
First steel band 5, the second steel band 6 fixation position using cambered surface contact, and cambered surface contact position be equipped with arc
Shape briquetting 14 can avoid stress and concentrate, keeps steel band not easy to break.
Working principle of the utility model is:
The present apparatus uses two high-precision driving wheels of 2:1 diameter, carries out positive drive using steel band, transmission is made accurately may be used
It leans on, sight can be met and take aim at systematic technical indicator requirement, using pressure spring pre-tightening mechanism, frame top nut progress angle can be pre-tightened by adjusting
Degree adjustment, and tension spring pre-tightening mechanism pre-tightened again it is locking, it is ensured that registration is reliable.Steel band stress and fixed position simultaneously
It being contacted using cambered surface, can avoid stress and concentrate, keep steel band not easy to break, the design is exquisite, occupies little space, and it is easy to assembly, it is resistance to
High/low temperature, resistance to thump, vibration resistance.
The above is only the specific embodiment of the application, it is noted that is the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (2)
1. system actuator is taken aim in a kind of closed sight, including bull wheel, the tension spring pre-tightening mechanism, pressure spring set gradually from top to bottom
Pre-tightening mechanism, steamboat, it is characterised in that: connected between the bull wheel and pressure spring pre-tightening mechanism by the first steel band, and the first steel
It takes and is equipped with tension spring pre-tightening mechanism, connected between the pressure spring pre-tightening mechanism and steamboat by the second steel band, the bull wheel and small
Wheel is high-precision driving wheel and diameter ratio is 2:1, and it is driving wheel on pitch axis that the steamboat, which is fixed on, and bull wheel is fixed on prism axis
Upper is driven wheel, and the two passes through the first steel band, the second steel band positive drive, transmission ratio 2:1；The pressure spring pre-tightening mechanism includes
It pre-tightens seat, pressure spring, pre-tighten frame, described preload seat one end connects pressure spring, and the other end connects the second steel band, and described preload frame one end connects
Pressure spring is connect, the other end connects the first steel band, and the tension spring pre-tightening mechanism includes bracket and tension spring.
2. system actuator is taken aim in the closed sight of one kind according to claim 1, it is characterised in that: first steel band,
The fixation position of second steel band is contacted using cambered surface, and the position of cambered surface contact is equipped with arc compression block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486637.4U CN209542946U (en) | 2019-04-11 | 2019-04-11 | System actuator is taken aim in the closed sight of one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486637.4U CN209542946U (en) | 2019-04-11 | 2019-04-11 | System actuator is taken aim in the closed sight of one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209542946U true CN209542946U (en) | 2019-10-25 |
Family
ID=68276110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920486637.4U Active CN209542946U (en) | 2019-04-11 | 2019-04-11 | System actuator is taken aim in the closed sight of one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209542946U (en) |
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2019
- 2019-04-11 CN CN201920486637.4U patent/CN209542946U/en active Active
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