CN110849395A

CN110849395A - Support for testing optical fiber gyroscope

Info

Publication number: CN110849395A
Application number: CN201911150573.1A
Authority: CN
Inventors: 李冬平; 王秀国; 胡澜
Original assignee: Hengyang Hezhong Communication Technology Co Ltd
Current assignee: Hengyang Hezhong Communication Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-02-28

Abstract

The invention discloses a support for an optical fiber gyro test, which comprises a holding plate, wherein a sliding groove is formed in the outer wall of the top of the holding plate, fixing plates are fixed at two ends in the sliding groove, screw rods are rotatably inserted into the two fixing plates, two sections of opposite threads are formed in the screw rods, the two sections of the screw rods are respectively sleeved with a sliding block which is in sliding fit with the sliding groove in a threaded manner, a supporting spring is sleeved on the screw rods, the supporting spring is positioned between the two sliding blocks, a supporting plate is fixed at the top of each sliding block, a movable rod is movably inserted into the supporting plate, a limiting block and a clamping plate are respectively fixed at two ends of each movable rod, and a clamping spring is sleeved at one end. The optical fiber gyroscope storage device can be used for carrying out two-side holding and fixing work on the optical fiber gyroscope placed on the storage plate, so that the overall stability of the optical fiber gyroscope storage work is improved, and the use is convenient.

Description

Support for testing optical fiber gyroscope

Technical Field

The invention relates to the technical field of testing of fiber-optic gyroscopes, in particular to a support for testing a fiber-optic gyroscope.

Background

A gyroscope is an angular motion detection device using a moment-of-momentum sensitive housing of a high-speed rotating body about one or two axes orthogonal to the axis of rotation with respect to the inertial space. Angular motion detection devices made using other principles are also known as gyroscopes, which serve the same function. The modern optical fiber gyroscope is an instrument capable of accurately determining the direction of a moving object, is an inertial navigation instrument widely used in the industries of modern aviation, navigation, aerospace and national defense, and has very important strategic significance on the development of the industry, the national defense and other high-tech technologies of a country.

Through retrieval, the Chinese patent with publication number CN206300661U discloses a testing device of an optical fiber gyroscope instrument, which consists of a rotary table and a testing display control device; the top of the turntable is provided with a bearing body, a fiber optic gyroscope is placed above the bearing body, the bearing body is connected with an angle sensor through a rotating shaft, a torque motor is arranged below the angle sensor, a base is arranged below the torque motor, and a conductive slip ring is arranged above the base and connected with the torque motor; the rotary table is connected with the test display control device through a lead. There are some disadvantages in the above patents: it is inconvenient to clamp and position the optical fiber gyroscope.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a support for a fiber-optic gyroscope test.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a support for fiber optic gyroscope test, includes puts the thing board, it has the spout to put thing board top outer wall to open, and both ends all are fixed with the fixed plate in the spout, rotates on two fixed plates and pegs graft and have the screw rod, has seted up two sections opposite direction screw threads on the screw rod, and two sections equal screw threads of screw rod cup joint and form sliding fit's slider with the spout, cup jointed supporting spring on the screw rod, and supporting spring is located between two sliders, the slider top is fixed with the backup pad, and the activity pegs graft in the backup pad has the movable rod, and the movable rod both ends are fixed with stopper and grip block respectively, and the movable rod has cup jointed the centre gripping spring near the one end.

Furthermore, a rotating handle is fixed at one end of the screw rod.

Furthermore, two set squares are fixed at the joint of the supporting plate and the sliding block.

Further, the bottom of the object placing plate is fixed with a base station, a motor is fixed in the base station, the top end of an output shaft of the motor penetrates through the outer wall of the top of the base station and is fixed with a connecting flange, and the connecting flange is fixedly connected with the object placing plate.

Furthermore, the bottom of the object placing plate is fixed with symmetrically distributed supporting blocks, and the outer walls of the bottom of the supporting blocks are attached to the outer wall of the top of the base station.

Furthermore, the outer wall of the bottom of the supporting block is provided with an arc-shaped bulge.

Further, the outer wall of the top of the clamping plate is further fixed with a guide plate, the outer wall of the bottom of the guide plate is attached to the outer wall of the top of the supporting plate, a guide groove is formed in the outer wall of the bottom of the guide plate, and a guide block matched with the guide groove in a clamping mode is fixed to the top of the supporting plate.

The invention has the beneficial effects that:

1. can drive two grip blocks in opposite directions when rotating rotatory handle and screw rod through setting up of two sliders, carry out both sides to placing the fiber gyroscope on putting the thing board and add and hold fixed work, increase the overall stability that fiber gyroscope place work, facilitate the use, can carry out compression work to supporting spring in two sliders motion process in opposite directions, utilize supporting spring's reaction force to avoid slider and screw rod to take place relative motion, further improve the stability of centre gripping work, the centre gripping spring is compressed gradually in the centre gripping work, make and form flexible centre gripping between grip block and the fiber gyroscope, avoid the too big deformation that influences fiber gyroscope outward appearance of centre gripping effort, improve the centre gripping protective capacities.

2. The optical fiber gyroscope after the clamping work is completed can be driven to rotate through the motor, so that in the side accident of the optical fiber gyroscope, the arc-shaped bulge at the bottom of the supporting block can reduce the friction resistance between the supporting block and the base station in the rotating process.

3. Can carry out centre gripping during operation through the deflector and backup pad top formation relative slip, play spacing guide effect to the deflector, improve centre gripping job's stability, and the guide block can cooperate the guide way on the deflector to carry out spacing direction to the deflector, improves deflector lateral movement's stability.

Drawings

Fig. 1 is a schematic cross-sectional structure view of an embodiment 1 of a support for a fiber optic gyroscope test according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a clamping plate in an embodiment 1 of a support for a fiber-optic gyroscope test according to the present invention;

fig. 3 is a schematic cross-sectional structural view of an embodiment 2 of a support for a fiber-optic gyroscope test according to the present invention.

In the figure: the device comprises a storage plate 1, a fixed plate 2, a sliding groove 3, a sliding block 4, a screw rod 5, a supporting spring 6, a triangular plate 7, a limiting block 8, a movable rod 9, a supporting plate 10, a clamping spring 11, a clamping plate 12, a rotating handle 13, a supporting block 14, a base station 15, a motor 16, a connecting flange 17, a guide plate 18, a guide groove 19 and a guide block 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1 and 2, a support for fiber optic gyroscope test, including putting thing board 1, it has spout 3 to put 1 top outer wall of thing board, and both ends all are fixed with fixed plate 2 in the spout 3, it has screw rod 5 to rotate to peg graft on two fixed plates 2, two sections opposite direction screw threads have been seted up on the screw rod 5, and two sections equal screw threads of screw rod 5 cup joint and form sliding fit's slider 4 with spout 3, support spring 6 has been cup jointed on the screw rod 5, and support spring 6 is located between two

sliders

4, 4 tops of slider are fixed with backup pad 10, and the activity is pegged graft in backup pad 10 and is had movable rod 9, the movable rod 9 both ends are fixed with spacing piece 8 and grip block 12 respectively, the one end that movable rod 9 is close to grip block 12 has cup jointed grip spring.

5 one end of screw rod is fixed with rotation handle 13, backup pad 10 is fixed with two set-squares 7 with 4 junctions of slider, it is fixed with base station 15 to put 1 bottom of thing board, 15 internal fixation of base station has

motor

16, 15 top outer walls of base station are passed on motor 16's output shaft top and are fixed with flange 17, flange 17 with put 1 fixed connection of thing board, it is fixed with symmetric distribution's supporting shoe 14 to put 1 bottom of thing board, and 14 bottom outer walls of supporting shoe and the laminating of 15 top outer walls of base station, 14 bottom outer walls of supporting shoe are equipped with the arc arch.

The working principle of the embodiment is as follows: the two sliding blocks 4 can drive the two clamping plates 12 to move oppositely when the rotating handle 13 and the screw 5 are rotated, so that the optical fiber gyroscope placed on the object placing plate 1 can be fixedly clamped on two sides, the overall stability of the optical fiber gyroscope placing work is improved, the use is convenient, the two sliding blocks 4 can compress the supporting spring 6 in the opposite movement process, the sliding blocks 4 and the screw 5 are prevented from moving relatively by using the reaction force of the supporting spring 6, the stability of the clamping work is further improved, the clamping spring 11 is gradually compressed in the clamping work, so that flexible clamping is formed between the clamping plates 12 and the optical fiber gyroscope, the phenomenon that the appearance of the optical fiber gyroscope is deformed due to the overlarge clamping force is avoided, the clamping protection capability is improved, the motor 16 can drive the optical fiber gyroscope after the clamping work is completed to rotate, and the side accident of the optical fiber gyroscope is conveniently carried out, in addition, the arc-shaped bulge at the bottom of the supporting block 14 can reduce the friction resistance with the base platform 15 during the rotation.

Example 2

Referring to fig. 3, a support for a fiber optic gyroscope test, the difference between this embodiment and embodiment 1 is that a guide plate 18 is further fixed on an outer wall of a top of a clamping plate 12, an outer wall of a bottom of the guide plate 18 is attached to an outer wall of a top of a supporting plate 10, a guide groove 19 is formed on an outer wall of a bottom of the guide plate 18, and a guide block 20 forming a clamping fit with the guide groove 19 is fixed on the top of the supporting plate 10.

The working principle of the embodiment is as follows: the guide plate 18 can form relative sliding with the top of the support plate 10 when the clamping plate 12 performs clamping work, so that the clamping plate 12 is limited and guided, the stability of the clamping work is improved, and the guide block 20 can be matched with the guide groove 19 on the guide plate 18 to limit and guide the guide plate 18, so that the stability of the transverse movement of the guide plate 18 is improved.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A support for testing an optical fiber gyroscope comprises a storage plate (1) and is characterized in that a sliding groove (3) is formed in the outer wall of the top of the storage plate (1), fixing plates (2) are fixed at two ends in the sliding chute (3), a screw (5) is rotatably inserted on the two fixing plates (2), two sections of threads with opposite directions are arranged on the screw (5), and two sections of the screw rod (5) are sleeved with sliding blocks (4) which are in sliding fit with the sliding chutes (3) in a threaded manner, the screw rod (5) is sleeved with a supporting spring (6), and the supporting spring (6) is positioned between the two sliding blocks (4), the top of each sliding block (4) is fixed with a supporting plate (10), and a movable rod (9) is movably inserted in the supporting plate (10), a limiting block (8) and a clamping plate (12) are respectively fixed at two ends of the movable rod (9), and a clamping spring (11) is sleeved at one end of the movable rod (9) close to the clamping plate (12).

2. The bracket for testing the fiber-optic gyroscope according to claim 1, wherein a rotating handle (13) is fixed at one end of the screw rod (5).

3. The support for testing the fiber-optic gyroscope according to claim 1, wherein two triangular plates (7) are fixed at the joint of the support plate (10) and the sliding block (4).

4. The support for the fiber-optic gyroscope test according to claim 1, wherein a base table (15) is fixed at the bottom of the object placing plate (1), a motor (16) is fixed in the base table (15), a connecting flange (17) is fixed at the top end of an output shaft of the motor (16) penetrating through the outer wall of the top of the base table (15), and the connecting flange (17) is fixedly connected with the object placing plate (1).

5. The support for testing the fiber-optic gyroscope according to claim 4, wherein the bottom of the object placing plate (1) is fixed with symmetrically distributed supporting blocks (14), and the outer wall of the bottom of the supporting blocks (14) is attached to the outer wall of the top of the base platform (15).

6. The bracket for testing the fiber-optic gyroscope of claim 5, wherein the outer wall of the bottom of the supporting block (14) is provided with an arc-shaped bulge.

7. The support for the fiber optic gyroscope test according to claim 1, wherein a guide plate (18) is further fixed on the outer wall of the top of the clamping plate (12), the outer wall of the bottom of the guide plate (18) is attached to the outer wall of the top of the support plate (10), a guide groove (19) is formed in the outer wall of the bottom of the guide plate (18), and a guide block (20) which forms a clamping fit with the guide groove (19) is fixed on the top of the support plate (10).