Interferometer pitching inclination adjusting device
By using direct drive elastic deformation structural parts in the interferometer pitch and inclination adjustment device, the problems of complex structure of the existing device resulting in low stiffness and poor stability are solved, and the adjustment effect of high rigidity, stability and compact structure is achieved.
Patent Information
- Application Number
- CN202421495846.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing interferometer pitch and inclination adjustment device has complex structure and many parts of the intermediate motion transmission mechanism, resulting in low overall stiffness and poor stability.
The direct drive elastic deformation structural member is used as the structural core of the pitch adjustment handle and the tilt adjustment handle. Through the slight elastic deformation of the elastic deformation structural member under the action of external force, the pitch and inclination angle is adjusted.
It improves overall rigidity and strength, enhances stability of adjustment and positioning, and has a compact structure.
Smart Images
Figure CN222837600U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of interferometer measurement, in particular to an interferometer pitch and tilt adjustment device. Background Art
[0002] Currently, the pitch and tilt adjustment device for the interferometer has a complex structure and many parts in the intermediate motion transmission mechanism, resulting in low overall rigidity and poor stability of the adjustment mechanism.
[0003] The pitch and tilt angle adjustment mechanism of this scheme makes up for the structural defects of the existing adjustment device. The adjustment handle is a direct-driven elastic deformation structural part. The elastic deformation structural part undergoes a slight elastic deformation under the action of external force to achieve the adjustment of the pitch and tilt angle. It has high overall stiffness and strength and good adjustment and positioning stability. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an interferometer pitch and tilt adjustment device.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] The utility model discloses an interferometer pitch tilt adjustment device, comprising a mounting base plate, a pitch tilt fulcrum, a pitch tilt adjustment plate, a pitch adjustment handle, a tilt adjustment handle, an interferometer lens, and a self-centering fixture, wherein one end of the pitch tilt fulcrum is fixed on the mounting base plate, and the other end is connected to the pitch tilt adjustment plate, the pitch adjustment handle and the tilt adjustment handle are symmetrically arranged on the pitch tilt adjustment plate relative to the pitch tilt fulcrum, the self-centering fixture is fixed to the center position of the pitch tilt adjustment plate, and the interferometer lens is fixed on the self-centering fixture;
[0007] The pitch adjustment handle and the tilt adjustment handle have the same structure, and both include an elastic deformation structure, a connecting rod, a universal ball bearing, an adjustment handle, a first fixing pin, a second fixing pin, and a first tensioning spring. One end of the elastic deformation structure is fixed to the mounting base plate, and the other end is fixed to the connecting rod. The connecting rod is fixed to the inner ring of the universal ball bearing. The adjustment handle is fixed to the axial end of the connecting rod. The outer ring of the universal ball bearing is fixed to the pitch and tilt adjustment plate. One end of the first tensioning spring is fixed to the mounting base plate through the first fixing pin, and the other end is fixed to the pitch and tilt adjustment plate through the second fixing pin.
[0008] As a preferred technical solution of the present invention, the mounting base plate is provided with mounting holes.
[0009] As a preferred technical solution of the utility model, the pitch and tilt fulcrum includes a universal bearing, a fixed shaft, and a second tension spring. The fixed shaft is fixed to the mounting base plate, the outer ring of the universal bearing is fixed to the pitch and tilt adjustment plate, and the inner ring of the universal bearing is fixed to the fixed shaft.
[0010] As a preferred technical solution of the utility model, the elastic deformation structure is a square thin wall, and has square through holes at both upper and lower ends. The elastic deformation structure is fixed to the mounting base plate and the connecting rod respectively through the two square through holes.
[0011] As a preferred technical solution of the utility model, it also includes a quick locking mechanism, which includes a positioning hook block, a rotating pin, and a locking screw. The positioning hook block is fixed to the pitch adjustment plate through the rotating pin, and a threaded hole is provided on the positioning hook block. The positioning hook block is threadedly connected to the locking screw through the threaded hole.
[0012] As an optimal technical solution of the utility model, the self-centering clamp includes a self-centering clamp fixing ring, a self-centering clamp adjusting ring, multiple self-centering clamp positioning claws, an interferometer lens, a self-centering clamp adjusting handle, a positioning claw rotating pin, a positioning claw fixing pin, and a clamping jaw block. The multiple self-centering clamp positioning claws are circumferentially fixed to the self-centering clamp fixing ring, the self-centering clamp positioning claws are fixed to the self-centering clamp fixing ring by the positioning claw fixing pin, and are fixed to the self-centering clamp adjusting ring by the positioning claw rotating pin, and the clamping jaw block is fixed to the self-centering clamp positioning claws.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] The utility model discloses an interferometer pitch and tilt adjustment device. The pitch adjustment handle and the tilt adjustment handle can directly drive an elastic deformation structure. The elastic deformation structure is a square thin wall with square through holes on both sides and connecting holes on the upper and lower sides respectively fixed to a mounting base and a connecting rod. Pressure or tension is applied to the elastic deformation structure by the adjustment handle. The elastic deformation structure undergoes a slight elastic deformation under the action of an external force, thereby realizing the adjustment of the pitch and tilt angles. The utility model has the advantages of good overall rigidity, high strength, good adjustment and positioning stability, and compact structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is one of the partial cross-sectional views of the utility model;
[0018] Figure 3 This is the second partial cross-sectional view of the utility model;
[0019] Figure 4 It is a schematic diagram of the structure of the elastic deformation structural member of the utility model;
[0020] Figure 5 It is a structural schematic diagram of the pitch and tilt adjustment plate of the utility model;
[0021] Figure 6 It is a structural schematic diagram of the fixing ring of the self-centering clamp of the utility model;
[0022] In the figure: 101, mounting base plate; 102, pitch tilt fulcrum; 103, pitch tilt adjustment plate; 104, pitch adjustment handle; 105, tilt adjustment handle; 106, universal bearing; 107, fixed shaft; 108, second tension spring; 109, first tension spring; 110, elastic deformation structure; 111, connecting rod; 112, universal ball bearing; 113, first fixed pin; 114, second fixed pin; 115, positioning hook block; 116, rotating pin shaft; 117, locking screw; 2, self-centering fixture; 201, self-centering fixture fixing ring; 202, self-centering fixture adjustment ring; 203 self-centering fixture positioning claw, 204, interferometer lens; 205, self-centering fixture adjustment handle; 206 positioning claw rotating pin shaft; 207, positioning claw fixing pin shaft; 208 clamping claw clamp block. DETAILED DESCRIPTION
[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0025] Figure 1-6 The utility model provides an interferometer pitch and tilt adjustment device, comprising a mounting base plate 101, a pitch and tilt fulcrum 102, a pitch and tilt adjustment plate 103, a pitch adjustment handle 104, a tilt adjustment handle 105, an interferometer lens 204, and a self-centering fixture 2, wherein one end of the pitch and tilt fulcrum 102 is fixed to the mounting base plate 101, and the other end is connected to the pitch and tilt adjustment plate 103, the pitch adjustment handle 104 and the tilt adjustment handle 105 are symmetrically arranged on the pitch and tilt adjustment plate 103 relative to the pitch and tilt fulcrum 102, the self-centering fixture 2 is fixed to the center position of the pitch and tilt adjustment plate 103, and the interferometer lens 204 is fixed to the self-centering fixture 2;
[0026] The pitch adjustment handle 104 and the tilt adjustment handle 105 have the same structure, and both include an elastic deformation structure 110, a connecting rod 111, a universal ball bearing 112, an adjustment handle 104, a first fixing pin 113, a second fixing pin 114, and a first tensioning spring 109. One end of the elastic deformation structure 110 is fixed to the mounting base plate 101, and the other end is fixed to the connecting rod 111. The connecting rod 111 is fixed to the inner ring of the universal ball bearing 112. The adjustment handle 104 is fixed to the axial end of the connecting rod 111. The outer ring of the universal ball bearing 112 is fixed to the pitch and tilt adjustment plate 103. One end of the first tensioning spring 109 is fixed to the mounting base plate 101 through the first fixing pin 113, and the other end is fixed to the pitch and tilt adjustment plate 103 through the second fixing pin 114.
[0027] In this embodiment, first, the self-centering fixture adjustment handle 205 is manually rotated to fix the interferometer lens 204 on the self-centering fixture fixing ring 201. At the same time, the self-centering fixture fixing ring 201 is fixedly connected to the pitch and tilt adjustment plate 103. Then, the pitch adjustment handle 104 or the tilt adjustment handle 105 is manually rotated to adjust the pitch angle or tilt angle of the interferometer lens 204.
[0028] Preferably, the mounting base plate 101 is provided with a mounting hole.
[0029] The mounting base plate 101 can be more conveniently mounted on other equipment through the mounting holes.
[0030] Specifically, the pitch tilt fulcrum 102 includes a universal bearing 106 , a fixed shaft 107 , and a second tension spring 108 . The fixed shaft 107 is fixed on the mounting base 101 . The outer ring of the universal bearing 106 is fixed on the pitch tilt adjustment plate 103 . The inner ring of the universal bearing 106 is fixed on the fixed shaft 107 .
[0031] By utilizing the spherical fit between the outer ring and the inner ring of the universal bearing 106 , the pitch and tilt adjustment plate 103 can achieve pitch and tilt universal rotation around the fixed axis 107 .
[0032] Preferably, the elastic deformation structure 110 is a square thin wall, and has square through holes at both upper and lower ends. The elastic deformation structure 110 is fixed to the mounting base plate 101 and the connecting rod 111 respectively through the two square through holes.
[0033] The square thin-wall structure of the elastic deformation structural member 110 improves the elastic modulus of the structural member, thereby achieving a larger elastic deformation under a smaller external force.
[0034] Preferably, as another embodiment of the present invention, Figure 1 On the basis of the shown embodiment, a quick locking mechanism is also included, which includes a positioning hook block 115, a rotating pin 116, and a locking screw 117. The positioning hook block 115 is fixed to the pitch adjustment plate 103 through the rotating pin 116. A threaded hole is provided on the positioning hook block 115, and the positioning hook block 115 is threadedly connected to the locking screw 117 through the threaded hole.
[0035] By adjusting the locking screw 117 , the positioning hook block 115 rotates around the rotating pin 116 , so that the positioning hook block 115 can quickly hook or release the positioning pin on the self-centering fixture 2 .
[0036] Specifically, the self-centering fixture includes a self-centering fixture fixing ring 201, a self-centering fixture adjusting ring 202, multiple self-centering fixture positioning claws 203, an interferometer lens 204, a self-centering fixture adjusting handle 205, a positioning claw rotating pin 206, a positioning claw fixing pin 207, and a clamping claw block 208. Multiple self-centering fixture positioning claws 203 are circumferentially fixed to the self-centering fixture fixing ring 201. The self-centering fixture positioning claws 203 are fixed to the self-centering fixture fixing ring 201 by the positioning claw fixing pin 207 and are fixed to the self-centering fixture adjusting ring 202 by the positioning claw rotating pin 206. The clamping claw block 208 is fixed to the self-centering fixture positioning claws 203.
[0037] The self-centering clamp fixing ring 201 is fixed on the pitch adjustment plate 103, and the self-centering clamp adjustment ring 202 rotates around the self-centering clamp fixing ring 201 under the action of the self-centering clamp adjustment handle 205. The rotation of the self-centering clamp adjustment ring 202 drives the positioning claw rotating pin 206 to rotate, and the rotation of the positioning claw rotating pin 206 drives multiple self-centering clamp positioning claws 203 to rotate around the positioning claw fixing pin 207, thereby realizing the gathering and opening of multiple self-centering clamp positioning claws 203, thereby clamping or loosening the interferometer lens 204.
[0038] The working principle of this utility model:
[0039] First, the self-centering fixture adjustment handle 205 is manually rotated to fix the interferometer lens 204 on the self-centering fixture fixing ring 201. At the same time, the self-centering fixture fixing ring 201 is fixedly connected to the pitch and tilt adjustment plate 103. Then, the pitch adjustment handle 104 or the tilt adjustment handle 105 is manually rotated to adjust the pitch angle or tilt angle of the interferometer lens 204.
[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An interferometer pitch and tilt adjustment device, characterized in that: The invention comprises a mounting base plate (101), a pitch tilt fulcrum (102), a pitch tilt adjustment plate (103), a pitch adjustment handle (104), a tilt adjustment handle (105), an interferometer lens (204), and a self-centering fixture (2); one end of the pitch tilt fulcrum (102) is fixed on the mounting base plate (101), and the other end is connected to the pitch tilt adjustment plate (103); the pitch adjustment handle (104) and the tilt adjustment handle (105) are symmetrically arranged on the pitch tilt adjustment plate (103) relative to the pitch tilt fulcrum (102); the self-centering fixture (2) is fixed to the center position of the pitch tilt adjustment plate (103); and the interferometer lens (204) is fixed on the self-centering fixture (2); The pitch adjustment handle (104) and the tilt adjustment handle (105) have the same structure, and both comprise an elastic deformation structure (110), a connecting rod (111), a universal ball bearing (112), an adjustment handle (104), a first fixing pin (113), a second fixing pin (114), and a first tension spring (109); one end of the elastic deformation structure (110) is fixed to the mounting base plate (101), and the other end is fixed to the connecting rod (111); The connecting rod (111) is fixed to the inner ring of the universal ball bearing (112), the adjusting handle (104) is fixed to the axial end of the connecting rod (111), the outer ring of the universal ball bearing (112) is fixed to the pitch adjustment plate (103), one end of the first tension spring (109) is fixed to the mounting base plate (101) through the first fixing pin (113), and the other end is fixed to the pitch adjustment plate (103) through the second fixing pin (114).
2. The interferometer pitch and tilt adjustment device according to claim 1, characterized in that: The mounting base plate (101) is provided with a mounting hole.
3. The interferometer pitch and tilt adjustment device according to claim 1, characterized in that: The pitch tilt fulcrum (102) comprises a universal bearing (106), a fixed shaft (107), and a second tension spring (108); the fixed shaft (107) is fixed on the mounting base plate (101); the outer ring of the universal bearing (106) is fixed on the pitch tilt adjustment plate (103); and the inner ring of the universal bearing (106) is fixed on the fixed shaft (107).
4. The interferometer pitch and tilt adjustment device according to claim 1, characterized in that: The elastic deformation structure (110) is a square thin wall, and is provided with square through holes at both upper and lower ends. The elastic deformation structure (110) is respectively fixed to the mounting base plate (101) and the connecting rod (111) via the two square through holes.
5. The interferometer pitch and tilt adjustment device according to claim 2, characterized in that: The invention also comprises a quick locking mechanism, which comprises a positioning hook block (115), a rotating pin shaft (116), and a locking screw (117); the positioning hook block (115) is fixed to the pitch adjustment plate (103) via the rotating pin shaft (116); a threaded hole is provided on the positioning hook block (115); and the positioning hook block (115) is threadedly connected to the locking screw (117) via the threaded hole.
6. The interferometer pitch and tilt adjustment device according to claim 1, characterized in that: The self-centering fixture comprises a self-centering fixture fixing ring (201), a self-centering fixture adjusting ring (202), a plurality of self-centering fixture positioning claws (203), an interferometer lens (204), a self-centering fixture adjusting handle (205), a positioning claw rotating pin shaft (206), a positioning claw fixing pin shaft (207), and a clamping claw block (208); the plurality of self-centering fixture positioning claws (203) are fixed to the self-centering fixture fixing ring (201) along the circumferential direction; the self-centering fixture positioning claws (203) are fixed to the self-centering fixture fixing ring (201) by the positioning claw fixing pin shaft (207) and are fixed to the self-centering fixture adjusting ring (202) by the positioning claw rotating pin shaft (206); and the clamping claw block (208) is fixed to the self-centering fixture positioning claws (203).