CN208888475U

CN208888475U - Front door opening and closing mechanism of telescope

Info

Publication number: CN208888475U
Application number: CN201821801050.XU
Authority: CN
Inventors: 莫文涛; 邢丕勇; 高鸽
Original assignee: Huaxia Ocean Energy Engineering Tianjin Co ltd
Current assignee: Huaxia Ocean Energy Engineering Tianjin Co ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2019-05-21
Anticipated expiration: 2028-11-02

Abstract

The utility model relates to a telescope technical field just discloses a telescope qianmen closing mechanism, including the door frame, the equal movable mounting in both sides of door frame has the qianmen, all install the sealing strip around the qianmen back, the top fixed mounting of door frame has the electromagnetism door-inhale, the equal movable mounting in both sides of door frame has the pivot, the bottom of pivot is connected with drive mechanism, the top fixed mounting of pivot has the angle encoder, electromagnetism door-inhale, drive mechanism and angle encoder are connected with the controller electricity respectively. The telescope front door opening and closing mechanism drives the rotating shaft to drive the front door to rotate through the control of the controller, the front door is opened and closed, the front door is attracted with the door frame through the electromagnetic door stopper when being closed, the sealing strip on the back of the front door is matched, the sealing of the front door is guaranteed, the angle encoder which rotates concentrically with the rotating shaft can display the state of the front door and monitor whether the front door is opened or closed in place, and the effects of quickly opening and closing the front door and automatic operation are achieved.

Description

Door open/close machine before a kind of telescope

Technical field

The utility model relates to telescope technical field, door open/close machine before specially a kind of telescope.

Background technique

Heavy caliber astronomical telescope belongs to accurate optical device, and working environment is often in plateau or field, dust storm, rain The severe natural conditions such as snow, it is easy to cause telescope window even primary mirror to be damaged and polluted, seriously affect telescope Performance, and reduce the service life of telescope, in order to solve this problem, front door or use usually be installed in lens barrel front end Protection is realized in tarpaulin covering.

The front door of existing lens cone for telescope front end installation, can not cooperate the rapidly opened and closed front door of telescope working condition, Manual operation is more, brings inconvenience to staff.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides door open/close machine before a kind of telescope, has and quickly opens Front door, automatic operation advantage are closed, solves the problems, such as that rapidly opened and closed front door, manual operation are more.

(2) technical solution

For the purpose for realizing above-mentioned rapidly opened and closed front door, automatic operation, the utility model is provided the following technical solutions: one Door open/close machine before kind of telescope, including doorframe, the two sides of the doorframe are movably installed with front door, and the four of the front door back side It is mounted on sealing strip week, electromagnetism door-inhale is fixedly installed at the top of the doorframe, the two sides of the doorframe are movably installed with Shaft, the bottom of the shaft are connected with transmission mechanism, and angular encoder, the electromagnetism are fixedly installed at the top of the shaft Door-inhale, transmission mechanism and angular encoder are electrically connected with the controller respectively.

Preferably, limit switches are installed on the doorframe, the doorframe is mounted on before lens barrel, and the two of the lens barrel Side is mounted on limit switch, and the limit switch is electrically connected with the controller.

Preferably, the two sides of the lens barrel are fixedly installed with hold-down mechanism.

Preferably, the transmission mechanism is made of worm gear, worm screw and decelerating motor.

Preferably, the decelerating motor tail end has output shaft.

Preferably, emergent door lock is fixedly installed in the middle part of two fan front door front intersections.

(3) beneficial effect

Compared with prior art, the utility model provides door open/close machine before a kind of telescope, has following beneficial to effect Fruit:

Door open/close machine before the telescope controls transmission mechanism drive shaft by controller and drives front door rotation, to open Front door is closed, is attracted when front door is closed by electromagnetism door-inhale and doorframe, cooperates the sealing strip at the front door back side, guarantees the sealing at front door, It can show whether the state at front door and monitoring front door open or close in place with the concentric angular encoder rotated of shaft, reach fast Speed is opened and closed the effect at front door, automatic operation.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is the A-A view in Fig. 1；

Fig. 3 is the dorsal view of the utility model；

Fig. 4 is the top view of the utility model；

Fig. 5 is the utility model structure diagram；

Fig. 6 is the utility model electric control principle block diagram.

In figure: 1 doorframe, 2 front doors, 3 electromagnetism door-inhales, 4 shafts, 5 transmission mechanisms, 6 angular encoders.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-6, door open/close machine before a kind of telescope, including doorframe 1, the two sides of doorframe 1 are movably installed with Front door 2 is fixedly installed with emergent door lock in the middle part of two fan 2 front intersections of front door, when can in case of emergency pass through emergency Door lock locks front door 2, and the surrounding at 2 back side of front door is mounted on sealing strip, and sealing strip is PVC material, sealing strip when closing front door 2 It sealing, the top of doorframe 1 is fixedly installed with electromagnetism door-inhale 3, and electromagnetism door-inhale 3 selects the TK-CLS001 type of sky maps brand, Front door 2 in off position when be attracted by electromagnetism door-inhale 3 and 1 frame of doorframe, preferably to guarantee the sealing at front door 2, pacify on doorframe 1 Equipped with limit switch, doorframe 1 is mounted on before lens barrel, and the two sides of lens barrel are mounted on limit switch, limit switch and control Device electrical connection, transmits control signal by limit switch when door opens or closes in place, the two sides of lens barrel are fixedly installed with compression Mechanism, the two sides of doorframe 1 are movably installed with shaft 4, and front door 2 is 4 to open around the shaft along 0-270 degree track, when front door 2 is opened Limit switch is touched when to 270 degree, while so that front door 2 is in stress by the hold-down mechanism of lens barrel side, reduces sight The front face area of equipment during survey will not shake when front door 2 is by wind load along shaft 4, and the bottom of shaft 4 is connected with Transmission mechanism 5, transmission mechanism 5 are made of worm gear, worm screw and decelerating motor, worm and gear band self-locking function, decelerating motor tail end There is output shaft, when that in case of emergency can open or close front door 2 from output shaft end by rocking handle, the top of shaft 4 is fixed Angular encoder 6 is installed, angular encoder 6 selects Omron E6B2-CWZ6C 1000P/R type, and angular encoder 6 is used to show Whether the state and monitoring front door 2 for showing front door 2 finally open or close in place, and electromagnetism door-inhale 3, transmission mechanism 5 and angular encoder 6 divide It not being electrically connected with the controller, controller selects siemens PLC, by PLC program control when normal use, can remotely operate, It can live push-botton operation.

Working principle: when enabling, pressing door open button (delay about 2 seconds), and 3 power loss of electromagnetism door-inhale, transmission mechanism 5 works, Front door 24 is opened around the shaft along 0-270 degree track, and triggering door open limit switch when front door 2 is opened to 270 degree, front door 2 completes to open It opens, at closing time, presses door close button, transmission mechanism 5 works, and front door 24 is closed around the shaft along 270-0 degree track, and front door 2 is closed Trigger shutdown limit switch when to 0 degree, electromagnetism door-inhale 3 it is electric front door 2 is sucked, front door 2 is closed, the display of angular encoder 6 and prison Whether control front door 2 opens or closes in place.

In conclusion door open/close machine before the telescope, before controlling the drive of 5 drive shaft 4 of transmission mechanism by controller Door 2 rotates, and to switch front door 2, is attracted when front door 2 is closed by electromagnetism door-inhale 3 and doorframe 1, cooperates the sealing at 2 back side of front door Item guarantees the sealing at front door 2, and state and the monitoring front door 2 at front door 2 can be shown with the concentric angular encoder 6 rotated of shaft 4 Whether open or close in place, has achieved the effect that rapidly opened and closed front door 2, automatic operation.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. door open/close machine before a kind of telescope, including doorframe (1), it is characterised in that: the two sides of the doorframe (1) activity peace Equipped with front door (2), the surrounding at front door (2) back side is mounted on sealing strip, is fixedly installed with electricity at the top of the doorframe (1) Magnetic gate inhales (3), and the two sides of the doorframe (1) are movably installed with shaft (4), and the bottom of the shaft (4) is connected with driver Structure (5) is fixedly installed with angular encoder (6) at the top of the shaft (4), the electromagnetism door-inhale (3), transmission mechanism (5) and Angular encoder (6) is electrically connected with the controller respectively.

2. door open/close machine before a kind of telescope according to claim 1, it is characterised in that: installed on the doorframe (1) Limit switches, the doorframe (1) are mounted on before lens barrel, and the two sides of the lens barrel are mounted on limit switch, the limit Bit switch is electrically connected with the controller.

3. door open/close machine before a kind of telescope according to claim 2, it is characterised in that: the two sides of the lens barrel are fixed Hold-down mechanism is installed.

4. door open/close machine before a kind of telescope according to claim 1, it is characterised in that: the transmission mechanism (5) by Worm gear, worm screw and decelerating motor composition.

5. door open/close machine before a kind of telescope according to claim 4, it is characterised in that: the decelerating motor tail end has Output shaft.

6. door open/close machine before a kind of telescope according to claim 4, it is characterised in that: the two fan front doors (2) are just Emergent door lock is fixedly installed in the middle part of the intersection of face.