CN110986702B

CN110986702B - Automatic window shielding device for laser fuse echo acquisition

Info

Publication number: CN110986702B
Application number: CN201911169226.3A
Authority: CN
Inventors: 李成松; 邵炜程; 韩来望
Original assignee: Tianjin Jinhang Institute of Technical Physics
Current assignee: Tianjin Jinhang Institute of Technical Physics
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2021-10-15
Anticipated expiration: 2039-11-26
Also published as: CN110986702A

Abstract

The invention discloses an automatic window shielding device for laser fuse echo acquisition, which comprises a window baffle, a lifting execution mechanism, a torque control mechanism, a rotating bracket and a controller, wherein the window baffle is arranged on the window baffle; the rotating support comprises a fixed plate and a vertical plate, the fixed plate is fixedly connected with a debugging tool of the laser fuse, and the vertical plate is movably arranged on the fixed plate; the torque control mechanism is installed on the top of the vertical plate and comprises a rebound hinge and an adapter plate, the adapter plate connects the rebound hinge with the lifting execution mechanism, the lifting execution mechanism is connected with the window baffle, the window baffle is used for shielding a laser fuse window, the controller controls the lifting execution mechanism to drive the window baffle to move up and down along the laser fuse window, and the rebound characteristic of the rebound hinge is utilized to provide pressing force for the window baffle. The automatic lifting shielding device realizes the automatic lifting shielding function, can set the lifting speed according to the requirement, completely replaces a manual shielding mode, and realizes automation of the operation process.

Description

Automatic window shielding device for laser fuse echo acquisition

Technical Field

The invention belongs to the technical field of production and debugging of laser fuses, and relates to an automatic window shielding device for laser fuse echo acquisition.

Background

In the laser fuse ranging precision correcting process, an operator is required to manually and repeatedly shield a window for data acquisition, a shielding object is required to be tightly attached to the window and slowly move along an arc window in the acquisition process, the moving speed is required to be controlled to be slow and uniform in the operation process, the shielding object is guaranteed to be always tightly attached to the window, the situation that acquired data are unqualified frequently occurs in the operation process, and therefore the automatic shielding device for the laser fuse window is provided for solving the problems.

Disclosure of Invention

Objects of the invention

The purpose of the invention is: the utility model provides a window automatic shielding device for laser fuse echo collection, the difficult problem that window shelters from manual operation difficulty, operating efficiency low when solving laser fuse echo data collection.

(II) technical scheme

In order to solve the technical problem, the invention provides an automatic window shielding device for laser fuse echo acquisition, which comprises a window baffle plate 1, a lifting execution mechanism 2, a torque control mechanism 3, a rotating bracket and a controller 7, wherein the window baffle plate is arranged on the upper portion of the window baffle plate; the rotating support comprises a fixed plate 8 and a vertical plate 4, the fixed plate 8 is fixedly connected with a debugging tool of the laser fuse, and the vertical plate 4 is movably arranged on the fixed plate 8; the torque control mechanism 3 is installed at the top of the vertical plate 4 and comprises a rebound hinge and an adapter plate 6, the adapter plate 6 connects the rebound hinge with the lifting execution mechanism 2, the lifting execution mechanism 2 is connected with the window baffle 1, the window baffle 1 is used for shielding a laser fuse window, the controller 7 controls the lifting execution mechanism 2 to drive the window baffle 1 to move up and down along the laser fuse window, and the rebound characteristic of the rebound hinge is utilized to provide pressing force for the window baffle 1.

The lifting actuating mechanism 2 comprises a hollow stepping motor and a lead screw, the hollow stepping motor is connected with the adapter plate 6, the lead screw penetrates through the hollow stepping motor and the adapter plate 6, the lead screw is converted into the vertical movement of the lead screw through the rotation movement of the hollow stepping motor, the window baffle plate 1 is driven to move up and down along the laser fuse window, and the automatic window shielding function is achieved.

The hollow stepping motor is provided with a limit switch 5, a mechanical zero position signal of the lifting execution mechanism 2 is fed back to the controller 7, and the controller 7 obtains mechanical zero position information through a switch signal.

The window baffle 1 is in a circular arc shape consistent with the curvature radius of the laser fuse window.

The aviation rubber plate is adhered to the surface of one side, in contact with the laser fuse window, of the window baffle plate 1, a lead screw mounting hole is formed in the lower portion 1/3 of the surface of the other side, and the window baffle plate and the end portion of the lead screw are fixed through jackscrews.

The thickness of the inner side of the adapter plate 6 is smaller than that of the outer side of the adapter plate, so that the upper mounting surface and the lower mounting surface of the adapter plate 6 form a 10-degree included angle, the torque control mechanism keeps a 10-degree initial angle all the time, pressing force is continuously output, and the window baffle plate 1 is enabled to press the laser fuse window all the time.

The torque control mechanism 3 can be turned over by 90 degrees upwards through the rebound hinge between the torque control mechanism 3 and the vertical plate 4.

Wherein, be provided with circular arc U type groove on the fixed plate 8, the horizontal plate is connected to 4 bottoms of riser, and the horizontal plate is arranged on fixed plate 8 on the surface, sets up bolt locking mechanism 9 on the horizontal plate and passes circular arc U type groove, and the riser can move in circular arc U type inslot, and the circular arc central line in U type groove is coaxial with laser fuse window arc surface central line, makes to shelter from that the device is whole to move along laser fuse window arc surface, when sheltering from the device and reacing the assigned position, through screwing bolt locking mechanism 9, will shelter from the device automatically and fix and lock.

(III) advantageous effects

The automatic window shielding device for laser fuse echo acquisition can realize the automatic lifting shielding function, can set the lifting speed as required, completely replaces a manual shielding mode, and realizes automation of the operation process; the window can be tightly attached to the outer surface of the window, so that light leakage is avoided; the device can be applied to other types of laser fuses, and only the window baffle plate with the same radius as the window outline is required to be replaced; can move in circular arc U type inslot, satisfy the automatic demand of sheltering from of laser fuse multi-branch window.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure with the controller removed.

Fig. 3 is a schematic view of the present invention in use.

Detailed Description

In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.

Referring to fig. 1, the automatic window shielding device for laser fuse echo acquisition of the invention comprises a window baffle 1, a lifting actuator 2, a torque control mechanism 3, a rotating bracket and a controller 7; the rotating support comprises a fixed plate 8 and a vertical plate 4, the fixed plate 8 is fixedly connected with a debugging tool of the laser fuse, and the vertical plate 4 is movably arranged on the fixed plate 8; the torque control mechanism 3 is installed at the top of the vertical plate 4 and comprises a rebound hinge and an adapter plate 6, the adapter plate 6 connects the rebound hinge with the lifting execution mechanism 2, the lifting execution mechanism 2 is connected with the window baffle 1, the window baffle 1 is used for shielding a laser fuse window, the controller 7 controls the lifting execution mechanism 2 to drive the window baffle 1 to move up and down along the laser fuse window, and the rebound characteristic of the rebound hinge is utilized to provide pressing force for the window baffle 1.

The lifting actuating mechanism 2 comprises a hollow stepping motor and a lead screw, the hollow stepping motor is connected with the adapter plate 6, the lead screw penetrates through the hollow stepping motor and the adapter plate 6, the hollow stepping motor rotates to convert the hollow stepping motor into the lead screw to move up and down, the window baffle plate 1 is driven to move up and down along the laser fuse window, and the function of automatically shielding the window is achieved.

The rotation speed and the number of turns of the hollow stepping motor are controlled by utilizing the programming function of the controller 7, and the control functions of fast returning to the zero position and various moving distances are realized. The hollow stepping motor is provided with a limit switch 5, a mechanical zero position signal of the lifting execution mechanism 2 is fed back to the controller 7, and mechanical zero position information is obtained through a switch signal.

The window baffle 1 is in an arc shape consistent with the curvature radius of the laser fuse window, an aviation rubber plate is pasted on the surface of one side, in contact with the laser fuse window, of the window baffle 1, a lead screw mounting hole is formed in the lower portion 1/3 of the surface of the other side, the lead screw mounting hole is fixed with the end portion of a lead screw through a jackscrew, the arc-shaped window baffle is in seamless fit with the window, and light leakage is avoided.

The thickness of the inner side of the adapter plate 6 is smaller than that of the outer side of the adapter plate, so that the upper mounting surface and the lower mounting surface of the adapter plate 6 form a 10-degree included angle, the torque control mechanism always keeps a 10-degree initial angle, pressing force is continuously output, and the window baffle plate 1 always presses the laser fuse window. Meanwhile, the torque control mechanism 3 can be turned upwards by 90 degrees, so that a laser fuse window is conveniently opened, and the laser fuse can be loaded and unloaded.

In the rotating support, an arc U-shaped groove is formed in a fixed plate 8, the bottom of a vertical plate 4 is connected with a horizontal plate, the horizontal plate is arranged on the surface of the fixed plate 8, a bolt locking mechanism 9 is arranged on the horizontal plate and penetrates through the arc U-shaped groove, the vertical plate can move in the arc U-shaped groove, the arc center line of the U-shaped groove is coaxial with the arc center line of a laser fuse window, the shielding device can integrally move along the arc surface of the laser fuse window, and the shielding function of any position of the surface of the laser fuse window is realized; when the shielding device reaches the designated position, the automatic shielding device is fixed and locked by screwing the bolt locking mechanism 9.

When the automatic window shielding device for laser fuse echo acquisition is used, the fixing plate 8 of the rotating bracket is fixed with a debugging tool of a laser fuse; the vertical plate 4 of the rotating bracket and other devices arranged on the vertical plate are arranged on a fixed plate 8; adjusting the position of the vertical plate 4 to align the window baffle 1 with the laser fuse window; screwing the bolt locking mechanism 9 to fix the position of the vertical plate 4, wherein the installed state is shown in figure 3; turning on a power switch of the controller 7, and pressing a quick zero returning button to return the window baffle to a zero position; and pressing the running button, and starting to move the window baffle 1 under the driving of the screw rod until the window is completely blocked and then returning to the initial zero position, so that the work is finished. And loosening the bolt locking mechanism 9 of the vertical plate 4, moving the position of the vertical plate and starting to test the next position.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A window automatic shielding device for laser fuse echo acquisition is characterized by comprising a window baffle (1), a lifting execution mechanism (2), a torque control mechanism (3), a rotating support and a controller (7); the rotating support comprises a fixing plate (8) and a vertical plate (4), the fixing plate (8) is fixedly connected with a debugging tool of the laser fuse, and the vertical plate (4) is movably arranged on the fixing plate (8); torque control mechanism (3) are installed at riser (4) top, including resilience hinge and keysets (6), keysets (6) are connected resilience hinge and lift actuating mechanism (2), lift actuating mechanism (2) are connected window baffle (1), window baffle (1) are used for sheltering from laser fuze window, controller (7) control lift actuating mechanism (2) drive window baffle (1) and reciprocate along laser fuze window, the resilience characteristic that utilizes the resilience hinge provides the packing force for window baffle (1).

2. The automatic window shielding device for laser fuse echo collection according to claim 1, wherein the lifting actuator (2) comprises a hollow stepping motor and a lead screw, the hollow stepping motor is connected with the adapter plate (6), the lead screw passes through the hollow stepping motor and the adapter plate (6), and the lead screw is converted into the up-and-down movement of the lead screw through the rotation movement of the hollow stepping motor to drive the window baffle (1) to move up and down along the laser fuse window, so that the automatic window shielding function is realized.

3. The automatic window shielding device for laser fuze echo collection according to claim 2, wherein a limit switch (5) is arranged on the hollow stepping motor, a mechanical zero position signal of the lifting actuator (2) is fed back to the controller (7), and the controller (7) obtains the mechanical zero position information through the switch signal.

4. The window automatic shielding device for laser fuse echo collection according to claim 3, wherein the window baffle (1) is in the shape of a circular arc consistent with the curvature radius of the laser fuse window.

5. The automatic window shielding device for laser fuse echo collection according to claim 4, wherein an aviation rubber plate is adhered to one side surface of the window baffle (1) contacting with the laser fuse window, and a screw rod mounting hole is arranged at the lower part 1/3 on the other side surface, and the window baffle and the end part of the screw rod are fixed by using a jackscrew.

6. The automatic window shielding device for laser fuse echo collection according to claim 5, wherein the thickness of the inner side of the adapter plate (6) is smaller than the thickness of the outer side, so that the upper and lower mounting surfaces of the adapter plate (6) have an included angle of 10 degrees, the torque control mechanism always keeps an initial angle of 10 degrees, and the pressing force is continuously output, so that the window baffle (1) always presses the laser fuse window.

7. The automatic window shielding device for laser fuze echo collection according to claim 6, wherein the torque control mechanism (3) can be turned over by 90 degrees upwards through a rebound hinge between the torque control mechanism (3) and the vertical plate (4).

8. The automatic shielding device for the laser fuse echo collection window according to claim 7, wherein an arc U-shaped groove is formed in the fixed plate (8), a horizontal plate is connected to the bottom of the vertical plate (4), the horizontal plate is arranged on the surface of the fixed plate (8), a bolt locking mechanism (9) is arranged on the horizontal plate and penetrates through the arc U-shaped groove, the horizontal plate can drive the vertical plate (4) to synchronously move along the arc U-shaped groove, the arc center line of the U-shaped groove is coaxial with the arc center line of the laser fuse window, so that the shielding device integrally moves along the arc surface of the laser fuse window, and when the shielding device reaches a designated position, the automatic shielding device is fixed and locked by screwing the bolt locking mechanism (9).