Combined device of three-axis integrated laser gyroscopes

Abstract

The application discloses a three-axis integrated laser gyroscope combination device, relates to the technical field of gyroscopes, and comprises a combination disc, a placing groove is formed in the combination disc, the number of the placing grooves is three, two placing grooves are located on the X-axis and the Y-axis of the upper surface of the combination disc, and the other placing groove is located on the Z-axis of the lower surface of the combination disc; X-axis gyroscopes, Y-axis gyroscopes and Z-axis gyroscopes are respectively arranged in the three placing grooves; the X-axis gyroscopes, the Y-axis gyroscopes and the Z-axis gyroscopes are installed on the same combination disc, are combined into a three-axis integrated design, and are interfered and isolated through an isolation plate, so that errors are reduced, the stability of the whole is improved, installation space is saved, costs are reduced, maintenance of workers is facilitated, the isolation plate also provides effective protection effect, and the buffer mechanism provides the buffer effect by using the buffer rod and the buffer spring.

Description

Technical Field

[0001] This invention relates to the field of gyroscope technology, and more particularly to a combined device for a three-axis integrated laser gyroscope. Background Technology

[0002] A laser gyroscope is an optical gyroscope based on the Sagnac effect, used to measure the angular rate of rotation of an object relative to inertial space. Its basic principle is based on the fact that when a ring laser rotates in inertial space, the clockwise and counterclockwise light will produce an optical path difference linearly related to the rotation. By detecting the real-time change in the phase of the ring laser's output light, the object's angular rate of rotation can be obtained. A three-axis integrated laser gyroscope combination device is used to measure the angular rate of rotation of an object in three-dimensional space. It typically consists of three single-axis laser gyroscopes, each responsible for measuring the angular rate of rotation along one axis. This combination device is designed to improve measurement accuracy and stability while reducing cross-interference between the three axes.

[0003] In the existing technology, the three-axis integrated laser gyroscope assembly is usually composed of three single-axis separate laser gyroscopes. Although this reduces mutual interference, the assembly space and cost utilization is small, the stability is low, it is not suitable for mass production and use, and it is also difficult for staff to maintain. Summary of the Invention

[0004] The purpose of this invention is to provide a combined device for a three-axis integrated laser gyroscope, so as to solve the problems of low space, cost and stability utilization of the above-mentioned combination of three single-axis laser gyroscopes.

[0005] This invention is achieved through the following technical solution:

[0006] The combined device of the three-axis integrated laser gyroscope includes:

[0007] A composite disc is provided, with three placement slots. Two slots are located on the X-axis and Y-axis of the upper surface of the composite disc, and the third slot is located on the Z-axis of the lower surface of the composite disc. An X-axis gyroscope, a Y-axis gyroscope, and a Z-axis gyroscope are respectively installed in the three slots. An isolation plate is threadedly fixed to the upper surface of the composite disc, separating the gyroscopes on the upper surface. Heat dissipation fins are fixedly installed on the top of the isolation plate, reducing errors, improving overall stability, saving installation space, reducing costs, and facilitating maintenance by staff.

[0008] Furthermore, a pressure plate is fixedly installed on the isolation plate, and an arc-shaped push rod is slidably installed through the combined disk to prevent the Z-axis gyroscope from detaching.

[0009] Furthermore, the top and bottom of the arc-shaped push rod are both spherical, the bottom of the arc-shaped push rod is located near the outside of the Z-axis gyroscope, an elastic element is provided between the top of the arc-shaped push rod and the upper surface of the combined disk, and the spherical end of the top of the arc-shaped push rod is located near the bottom of the pressure plate to reduce frictional damage.

[0010] Furthermore, an arc-shaped connecting rod is fixedly installed on the outside of the isolation plate, and a fixing box is fixedly installed on the outside of the arc-shaped connecting rod. An arc-shaped protective plate is fixedly installed at the bottom of the fixing box to prevent the X-axis gyroscope and Y-axis gyroscope from falling off.

[0011] Furthermore, the arc-shaped protective plate is located outside the X-axis gyroscope, and a gap is provided between the arc-shaped protective plate and the outside of the X-axis gyroscope to provide vibration tolerance.

[0012] Furthermore, the fixed box is also equipped with a buffer mechanism, which includes a buffer spring. The top of the buffer spring is fixedly installed on the inner side wall of the top of the fixed box, and the bottom of the buffer spring is fixedly installed on the top of the connecting plate. A buffer rod is fixedly installed on the bottom of the connecting plate, and a rubber column is fixedly installed on the bottom of the buffer rod. The buffer spring provides buffering force.

[0013] Furthermore, the arc-shaped protective plate has a cavity, and the bottom of the buffer rod and the rubber column extend out of the cavity. The rubber column is located in the gap between the arc-shaped protective plate and the outside of the X-axis gyroscope, which facilitates the movement of the buffer rod.

[0014] Furthermore, there are two rubber pillars, which are symmetrically distributed about the buffer rod. The bottom of each rubber pillar is attached to the outside of the X-axis gyroscope. The symmetrical arrangement ensures the stability of the contact between the rubber pillars and prevents the gyroscope from shifting.

[0015] Furthermore, a rotating rod is rotatably mounted on the buffer rod, and an elastic element is provided between the outside of the rotating rod and the outside of the buffer rod. The end of the rotating rod away from the buffer rod is spherical, and the rotating rod can return to its initial position due to the elastic force.

[0016] Furthermore, arc-shaped protrusions are fixedly installed on the inner walls of the left and right sides of the fixed box. The spherical end of the rotating rod away from the buffer rod is positioned close to the arc-shaped protrusion. The friction and compression between the rotating rod and the arc-shaped protrusion generate small-amplitude rapid vibrations to achieve the effect of cleaning dust and other impurities, thereby improving the overall cleaning and maintenance efficiency.

[0017] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0018] 1. This invention integrates the X-axis gyroscope, Y-axis gyroscope, and Z-axis gyroscope onto the same combined disk to form a three-axis integrated design. Interference is isolated by an isolation plate, which reduces errors, improves overall stability, saves installation space, reduces costs, facilitates maintenance by staff, and the isolation plate also provides effective protection.

[0019] 2. In this invention, by setting up a buffer mechanism, when the combined disk is subjected to external vibration and generates mechanical vibration, which is transmitted to the gyroscope, the gyroscope will push the rubber column to drive the buffer rod to move upward. The upward movement of the buffer rod will push the connecting plate to move upward, and the connecting plate will compress the buffer spring. This allows the buffer spring to provide buffering force to slow down the movement of the buffer rod. In turn, the rubber column can slow down the vibration displacement of the X-axis gyroscope, thus playing a good buffering and protection role.

[0020] 3. This invention, by setting a rotating rod on the buffer rod, will cause small-amplitude rapid impact vibration during the friction and compression process between the rotating rod and the arc-shaped protrusion. The vibration is high in frequency and small in amplitude, and is transmitted to the buffer rod and the fixed box, which facilitates the cleaning of dust and other impurities attached to the buffer rod and the fixed box. This prevents dust and other impurities from adhering to the inner side wall of the buffer rod and the fixed box and affecting the normal operation of the buffer mechanism. The dust and other impurities are shaken off to the outside, reducing the cleaning difficulty for workers and improving the overall cleaning efficiency. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall external structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the overall bottom external structure;

[0024] Figure 3 This is a top view of the external structure of the combined disk;

[0025] Figure 4 This is a schematic diagram of the external structure of the combined circular disk from the bottom view.

[0026] Figure 5 This is a schematic diagram of a partial external structure of the isolation plate;

[0027] Figure 6 This is a schematic diagram of a partial external structure of the fixed box.

[0028] The reference numerals in the attached diagram represent: 1-Combined disk, 2-Placement slot, 3-X-axis gyroscope, 4-Y-axis gyroscope, 5-Z-axis gyroscope, 6-Isolation plate, 7-Heat dissipation fins, 8-Pressure plate, 9-Arc-shaped push rod, 10-Arc-shaped connecting rod, 11-Fixing box, 12-Arc-shaped protective plate, 13-Cavity, 14-Buffer spring, 15-Connecting plate, 16-Buffer rod, 17-Rubber column, 18-Rotating rod, 19-Arc-shaped protrusion. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments and accompanying drawings. The illustrative embodiments and descriptions of this invention are for illustrative purposes only and are not intended to limit the invention. It should be noted that this invention is already in the actual research and development stage.

[0030] like Figures 1 to 6 As shown, the present invention provides a combined device for a three-axis integrated laser gyroscope, comprising:

[0031] The assembly disk 1 has three placement slots 2. Two placement slots 2 are located on the X-axis and Y-axis of the upper surface of the assembly disk 1, and the other placement slot 2 is located on the Z-axis of the lower surface of the assembly disk 1. The three placement slots 2 are respectively equipped with an X-axis gyroscope 3, a Y-axis gyroscope 4, and a Z-axis gyroscope 5, which finally form a three-axis integrated laser gyroscope assembly device. An isolation plate 6 is threadedly fixedly installed on the upper surface of the assembly disk 1. The isolation plate 6 separates the gyroscopes on the upper surface of the assembly disk 1 to avoid mutual interference. A heat dissipation fin 7 is fixedly installed on the top of the isolation plate 6 to facilitate heat dissipation.

[0032] A pressure plate 8 is fixedly installed on the isolation plate 6. An arc-shaped push rod 9 is slidably installed through the combined disk 1. The top and bottom of the arc-shaped push rod 9 are both spherical to reduce the contact area and reduce damage. The bottom of the arc-shaped push rod 9 is located close to the outside of the Z-axis gyroscope 5. An elastic element is provided between the top of the arc-shaped push rod 9 and the upper surface of the combined disk 1. The elastic element here is a metal spring, which makes the sliding of the arc-shaped push rod 9 have elastic restoring force. Under no external force, the arc-shaped push rod 9 can return to its initial position. The spherical end of the top of the arc-shaped push rod 9 is located close to the bottom of the pressure plate 8 for easy squeezing contact. An arc-shaped connecting rod 10 is fixedly installed on the outside of the isolation plate 6. A fixed box 11 is fixedly installed on the outside of the arc-shaped connecting rod 10. An arc-shaped protective plate 12 is fixedly installed on the bottom of the fixed box 11. The arc-shaped protective plate 12 is located outside the X-axis gyroscope 3, and there is a gap between the arc-shaped protective plate 12 and the outside of the X-axis gyroscope 3 to provide vibration tolerance.

[0033] In the above technical solution, a three-axis integrated laser gyroscope assembly is formed by simultaneously mounting the X-axis gyroscope 3, Y-axis gyroscope 4, and Z-axis gyroscope 5 on the combined disk 1, oriented towards the X-axis, Y-axis, and Z-axis respectively. An isolation plate 6 is added to this assembly. The isolation plate can, to a certain extent, isolate the influence of vibration and magnetic field interference from the X-axis gyroscope 3 on the Y-axis and Z-axis gyroscopes, and vice versa. This helps maintain the relative stability of the working environment of each gyroscope, thereby improving the measurement stability of the entire assembly. Simultaneously, since the three gyroscopes are in a relatively fixed physical relationship, collaborative calibration can reduce the error of a single gyroscope. For example, during measurement, if one gyroscope experiences a certain drift error due to temperature changes or minor manufacturing differences, the data from the other two gyroscopes can assist in correction to a certain extent, because the external interference factors they are simultaneously subjected to (such as overall vibration, temperature field changes, etc.) are similar. The integration of the three laser gyroscopes... By integrating the gyroscopes onto a single board and strategically oriented towards different axes, this design offers significant advantages in terms of overall space utilization compared to installing three separate gyroscopes. This is crucial in space-constrained applications, such as small aircraft or precision instruments with limited space, as the compact design allows for more room for other components. In manufacturing, this integrated design can reduce production costs. For instance, during assembly, the unified installation and testing of the three gyroscopes on a single board reduces repetitive steps compared to installing and testing three separate gyroscopes, saving labor and time. From a maintenance perspective, this centralized design allows for easier inspection and maintenance of the entire device. When problems arise, technicians can quickly locate the faulty gyroscope, and the relatively centralized structure facilitates component replacement and repair.When installing the isolation plate 6, placing it on the combined disc 1 causes the isolation plate 6 to press the pressure plate 8 against the arc-shaped push rod 9. The arc-shaped push rod 9 is then squeezed downwards and rotates, allowing its bottom to fit against the outside of the Z-axis gyroscope 5, thus fixing the Z-axis gyroscope in place. The isolation plate 6 can then be bolted in place. After the isolation plate 6 is in place, it also causes the arc-shaped connecting rod 10, the fixing box 11, and the arc-shaped protective plate 12 to be positioned on top of the X-axis gyroscope 3 and the Y-axis gyroscope 4, preventing the X-axis gyroscope from... The X-axis gyroscope 3 and Y-axis gyroscope 4 detach, achieving a protective effect. This allows the X-axis gyroscope 3, Y-axis gyroscope 4, and Z-axis gyroscope 5 to be relatively fixed in place. Ultimately, by mounting the X-axis gyroscope 3, Y-axis gyroscope 4, and Z-axis gyroscope 5 onto the same combination disk 1, a three-axis integrated design is formed. Interference is isolated by the isolation plate 6, reducing errors, improving overall stability, saving installation space, lowering costs, and facilitating maintenance. The isolation plate 6 also provides effective protection.

[0034] like Figure 5 and Figure 6 As shown, in this invention, a buffer mechanism is also provided on the fixed box 11. The buffer mechanism includes a buffer spring 14. The top of the buffer spring 14 is fixedly installed on the inner side wall of the top of the fixed box 11, and the bottom of the buffer spring 14 is fixedly installed on the top of the connecting plate 15. A buffer rod 16 is fixedly installed on the bottom of the connecting plate 15. A cavity 13 is opened on the arc-shaped protective plate 12. A rubber column 17 is fixedly installed on the bottom of the buffer rod 16. The bottom of the buffer rod 16 and the rubber column 17 both extend out of the cavity 13. The rubber column 17 is located in the gap between the arc-shaped protective plate 12 and the outside of the X-axis gyroscope 3. There are two rubber columns 17. The two rubber columns 17 are closed. The buffer rods 16 are symmetrically distributed on the left and right sides. The bottom of the rubber column 17 is attached to the outside of the X-axis gyroscope 3. A rotating rod 18 is rotatably mounted on the buffer rod 16. An elastic element is provided between the outside of the rotating rod 18 and the outside of the buffer rod 16, so that the rotation of the rotating rod 18 has an elastic restoring force. In the absence of external force, the rotating rod 18 can return to its initial position due to the elastic force. The end of the rotating rod 18 away from the buffer rod 16 is spherical to facilitate contact, friction and compression. Arc-shaped protrusions 19 are fixedly installed on the inner sidewalls of the left and right sides of the fixed box 11. The spherical end of the rotating rod 18 away from the buffer rod 16 is set close to the arc-shaped protrusions 19.

[0035] In the above technical solution, when the combined disk 1 is subjected to external vibration and generates mechanical vibration that is transmitted to the gyroscope, the X-axis gyroscope 3 will vibrate due to the transmitted mechanical vibration. When the X-axis gyroscope 3 vibrates upwards, it pushes the rubber column 17 upwards. Due to the material of the rubber column 17, the compression between the rubber column 17 and the X-axis gyroscope 3 will not damage the gyroscope. The rubber column 17 will then drive the buffer rod 16 upwards, and the upward movement of the buffer rod 16 will push the connecting plate 15 upwards. As the connecting plate 15 moves upward, it compresses the buffer spring 14, allowing the buffer spring 14 to provide a buffering force to slow down the movement of the buffer rod 16. This, in turn, slows down the vibration displacement of the X-axis gyroscope 3 through the rubber column 17, providing good buffering protection. Simultaneously, the buffer rod 16 also drives the rotating rod 18 to move accordingly. When the buffer rod 16 moves the rotating rod 18 to the arc-shaped protrusion 19, and continues to move, the spherical end of the rotating rod 18 will rub against the arc-shaped protrusion 19. When the rotating rod 18 separates from the arc-shaped protrusion 19, the rotating rod 18 will return to its initial position due to the elastic force of the elastic element. Finally, during the friction and compression process between the rotating rod 18 and the arc-shaped protrusion 19, a small-amplitude rapid impact vibration will be generated. The vibration is high in frequency and small in amplitude. The vibration is transmitted to the buffer rod 16 and the fixed box 11, which facilitates the cleaning of dust and other impurities attached to the buffer rod 16 and the fixed box 11. This prevents dust and other impurities from adhering to the inner wall of the buffer rod 16 and the fixed box 11 and affecting the normal operation of the buffer mechanism. The dust and other impurities are shaken off to the outside, reducing the cleaning difficulty for the staff and improving the overall cleaning efficiency. Finally, by setting the buffer rod 16 and the buffer spring 14, during the vibration of the X-axis gyroscope 3, the rubber column 17 and the buffer rod 16 compress the buffer spring 14 to generate a buffering force to slow down the vibration. At the same time, the buffer rod 16 drives the rotating rod 18 to move, so that the rotating rod 18 and the arc-shaped protrusion 19 rub and compress to generate a small-amplitude rapid vibration to achieve the effect of cleaning dust and other impurities, thereby improving the overall cleaning and maintenance efficiency.

[0036] In summary, by mounting the X-axis gyroscope 3, Y-axis gyroscope 4, and Z-axis gyroscope 5 onto the same combined disk 1, forming a three-axis integrated design, and using the isolation plate 6 for interference isolation, errors are reduced, overall stability is improved, installation space is saved, costs are reduced, and maintenance is facilitated. The isolation plate 6 also provides effective protection. The buffer mechanism, using the buffer rod 16 and buffer spring 14, provides a buffering effect, while the friction and squeezing between the rotating rod 18 and the arc-shaped protrusion 19 improves the overall cleaning and maintenance efficiency.

[0037] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A combined device for a three-axis integrated laser gyroscope, characterized in that, include: A combination disk (1) is provided with three placement slots (2). Two of the placement slots (2) are located on the X-axis and Y-axis of the upper surface of the combination disk (1), and the other placement slot (2) is located on the Z-axis of the lower surface of the combination disk (1). An X-axis gyroscope (3), a Y-axis gyroscope (4), and a Z-axis gyroscope (5) are respectively installed in the three placement slots (2). An isolation plate (6) is threadedly fixedly installed on the upper surface of the combination disk (1). The isolation plate (6) separates the gyroscopes on the upper surface of the combination disk (1). A heat dissipation fin (7) is fixedly installed on the top of the isolation plate (6). A pressure plate (8) is fixedly installed on the isolation plate (6), and an arc-shaped push rod (9) is slidably installed through the combined disk (1); the top and bottom of the arc-shaped push rod (9) are both spherical, the bottom of the arc-shaped push rod (9) is located near the outside of the Z-axis gyroscope (5), an elastic element is provided between the top of the arc-shaped push rod (9) and the upper surface of the combined disk (1), the spherical end of the top of the arc-shaped push rod (9) is located near the bottom of the pressure plate (8), an arc-shaped connecting rod (10) is fixedly installed on the outside of the isolation plate (6), a fixed box (11) is fixedly installed on the outside of the arc-shaped connecting rod (10), and an arc-shaped protective plate (12) is fixedly installed at the bottom of the fixed box (11). An arc-shaped protective plate (12) is located outside the X-axis gyroscope (3). A gap is provided between the arc-shaped protective plate (12) and the outside of the X-axis gyroscope (3). A buffer mechanism is also provided on the fixed box (11). The buffer mechanism includes a buffer spring (14). The top of the buffer spring (14) is fixedly installed on the inner side wall of the top of the fixed box (11). The bottom of the buffer spring (14) is fixedly installed on the top of the connecting plate (15). A buffer rod (16) is fixedly installed on the bottom of the connecting plate (15). A rubber column (17) is fixedly installed on the bottom of the buffer rod (16). A cavity (13) is opened on the arc-shaped protective plate (12). The bottom of the buffer rod (16) and the rubber column (17) are connected. All the columns (17) extend out of the cavity (13). The rubber columns (17) are located in the gap between the arc-shaped protective plate (12) and the outside of the X-axis gyroscope (3). The bottom of the rubber columns (17) is attached to the outside of the X-axis gyroscope (3). A rotating rod (18) is rotatably mounted on the buffer rod (16). An elastic element is provided between the outside of the rotating rod (18) and the outside of the buffer rod (16). The end of the rotating rod (18) away from the buffer rod (16) is spherical. Arc-shaped protrusions (19) are fixedly installed on the inner walls of the left and right sides of the fixed box (11). The spherical end of the rotating rod (18) away from the buffer rod (16) is located close to the arc-shaped protrusions (19).

2. The combined device for a three-axis integrated laser gyroscope according to claim 1, characterized in that: There are two rubber columns (17), and the two rubber columns (17) are symmetrically distributed about the buffer rod (16).

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