Connection structure of schlieren instrument

Abstract

The utility model relates to a connecting structure of a schlieren instrument, which is technically characterized in that a light source system mounting base and a schlieren reflection system mounting base respectively move along a horizontal track by utilizing a horizontal lead screw and a nut so as to approach or leave an imaging system mounting base, so that the distance between two systems is conveniently adjusted, time and labor are saved, and the working efficiency is improved. The assembling and adjusting efficiency is obviously improved; the bearing seats on the light source system mounting base, the schlieren reflection system mounting base and the imaging system mounting base can synchronously ascend or descend under the driving of the three lifting mechanisms and the transmission structures, so that the heights of all the systems can be uniformly adjusted again after the systems are aligned in the height direction; the problem that the height of each system of the schlieren instrument is inconvenient to adjust uniformly is solved, time and labor are saved, and the assembling and adjusting efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of schlieren instruments, in particular to a connection structure of a schlieren instrument. Background Art

[0002] Schlieren instrument is used for Schlieren test, that is, it is an optical display instrument used to observe the density change inside transparent medium. Schlieren instrument generally includes light source system, Schlieren reflection system and imaging system. Since each system is usually far apart, each system is arranged separately and equipped with a mounting base. There are the following problems: 1. It is not conducive to uniformly adjusting the height of each system after the height direction is aligned, which is troublesome to operate; 2. It is not conducive to adjusting the distance between adjacent systems, which is troublesome to operate. Utility Model Content

[0003] The purpose of the utility model is to provide a connection structure of a Schlieren instrument with a reasonable structure and reliable use, so as to solve the problem that it is inconvenient to uniformly adjust the height of each system of the Schlieren instrument and it is inconvenient to adjust the distance between adjacent systems, save time and labor, and significantly improve the assembly adjustment efficiency.

[0004] The technical solution of the utility model is:

[0005] A connection structure of a schlieren instrument comprises a light source system mounting base, a schlieren reflection system mounting base and an imaging system mounting base, and its technical key points are: the light source system mounting base, the schlieren reflection system mounting base and the imaging system mounting base are arranged in sequence above the same base plate, two parallel horizontal tracks are arranged at the front and rear edges of the base plate, rolling components cooperating with the two horizontal tracks are arranged at the lower parts of the light source system mounting base and the schlieren reflection system mounting base, the imaging system mounting base is fixed to the rear end of the base plate, a vertical plate is arranged at the front end of the base plate, two horizontal lead screws parallel to the horizontal tracks are arranged between the vertical plate and the imaging system mounting base, the light source system mounting base is provided with a nut cooperating with one of the horizontal lead screws, the schlieren reflection system mounting base is provided with a nut cooperating with the other horizontal lead screw, the upper surfaces of the light source system mounting base, the schlieren reflection system mounting base and the imaging system mounting base are respectively provided with lifting mechanisms and connected to a bearing seat by using the lifting mechanisms, the first lifting mechanism is connected to a driving source, and a transmission structure is arranged between two adjacent lifting mechanisms.

[0006] The connection structure of the above-mentioned Schlieren instrument, the lifting mechanism includes two longitudinal screws arranged at intervals, and a longitudinal wire sleeve arranged on the longitudinal screw, the two sides of the supporting seat are provided with connecting parts fixed to the longitudinal wire sleeve, the bottom surface of the supporting seat is provided with a longitudinal guide hole, and the upper surfaces of the light source system mounting base, the Schlieren reflection system mounting base and the imaging system mounting base are provided with guide columns that cooperate with the longitudinal guide holes.

[0007] In the connection structure of the above-mentioned schlieren instrument, the lifting mechanism on the light source system mounting base is the first lifting mechanism, the two longitudinal screws of each lifting mechanism are connected by a first chain transmission structure, and the transmission structure is a second chain transmission structure. A tensioning wheel assembly corresponding to the second chain transmission structure is further provided on the upper surface of the light source system mounting base, the schlieren reflection system mounting base and the imaging system mounting base. When adjusting the interval between adjacent bases, the transmission structure is tightened by the tensioning wheel assembly to ensure the synchronization of the three lifting mechanisms.

[0008] In the connection structure of the above-mentioned schlieren instrument, a driving motor corresponding to and connected to the two horizontal lead screws is provided on the outer side of the vertical plate.

[0009] The beneficial effects of the utility model are:

[0010] 1. The mounting base of the light source system and the mounting base of the Schlieren reflection system are moved along the horizontal track by means of horizontal lead screws and screw nuts respectively, so as to approach or move away from the mounting base of the imaging system, thereby facilitating the adjustment of the distance between the two systems, saving time and effort, and significantly improving the assembly adjustment efficiency.

[0011] 2. The bearing seats on the mounting base of the light source system, the mounting base of the Schlieren reflection system and the mounting base of the imaging system can be synchronously raised or lowered under the drive of the three lifting mechanisms and the transmission structure, so that each system can be easily adjusted in height after being aligned in the height direction, thus solving the problem that it is inconvenient to uniformly adjust the height of each system of the Schlieren instrument, saving time and effort and significantly improving the assembly and adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 yes Figure 1 Middle AA section view;

[0014] Figure 3 yes Figure 1 Middle BB section.

[0015] In the figure: 1. longitudinal lead screw, 2. longitudinal wire sleeve, 3. bearing seat, 4. guide column, 5. second chain transmission structure, 6. tensioner assembly, 7. light source system mounting base, 8. nut, 9. horizontal lead screw, 10. Schlieren reflection system mounting base, 11. imaging system mounting base, 12. drive motor, 13. bottom plate, 14. horizontal track, 15. rolling assembly, 16. first chain transmission structure. DETAILED DESCRIPTION

[0016] The utility model is described in detail according to the accompanying drawings of the specification.

[0017] like Figure 1 to Figure 3As shown, the connection structure of the schlieren instrument includes a light source system mounting base 7, a schlieren reflection system mounting base 10 and an imaging system mounting base 11.

[0018] Among them, the light source system mounting base 7, the Schlieren reflection system mounting base 10 and the imaging system mounting base 11 are arranged in sequence and spaced apart on the same base plate 13, and the front and rear edges of the base plate 13 are provided with two parallel horizontal rails 14, and the lower part of the light source system mounting base 7 and the Schlieren reflection system mounting base 10 is provided with a rolling assembly 15 that cooperates with the two horizontal rails 14.

[0019] The imaging system mounting base 11 is fixed to the rear end of the bottom plate 13, and a vertical plate is provided at the front end of the bottom plate 13. Two horizontal lead screws 9 parallel to the horizontal track 14 are provided between the vertical plate and the imaging system mounting base 11. The light source system mounting base 7 is provided with a nut 8 matched with one of the horizontal lead screws 9, and the Schlieren reflection system mounting base 10 is provided with a nut 8 matched with the other horizontal lead screw 9. A driving motor 12 corresponding to and connected to the two horizontal lead screws 9 is provided on the outer side of the vertical plate.

[0020] The upper surfaces of the light source system mounting base 7, the schlieren reflection system mounting base 10 and the imaging system mounting base 11 are respectively provided with lifting mechanisms and connected to the bearing seat 3 by means of the lifting mechanisms, the first lifting mechanism is connected to the driving source, and a transmission structure is provided between two adjacent lifting mechanisms. In this embodiment, the lifting mechanism includes two longitudinal lead screws 1 arranged at intervals, a longitudinal wire sleeve 2 provided on the longitudinal lead screw 1, a connection portion fixed to the longitudinal wire sleeve 2 is provided on both sides of the bearing seat 3, a longitudinal guide hole is provided on the bottom surface of the bearing seat 3, and a guide column 4 matched with the longitudinal guide hole is provided on the upper surfaces of the light source system mounting base 7, the schlieren reflection system mounting base 10 and the imaging system mounting base 11. The lifting mechanism on the light source system mounting base 7 is the first lifting mechanism. The two longitudinal screws 1 of each lifting mechanism are connected by a first chain transmission structure 16. The transmission structure is a second chain transmission structure 5. A tensioning wheel assembly 6 corresponding to the second chain transmission structure 5 is further provided on the upper surface of the light source system mounting base 7, the schlieren reflection system mounting base 10 and the imaging system mounting base 11. When adjusting the interval between adjacent bases, the transmission structure is tightened by the tensioning wheel assembly 6 to ensure the synchronization of the three lifting mechanisms.

[0021] Working principle:

[0022] 1. Install the light source system support, the Schlieren reflection system support and the imaging system support above the supporting base 3 on the corresponding light source system mounting base 7, the Schlieren reflection system mounting base 10 and the imaging system mounting base 11 respectively, and adjust the height of the light source system support, the Schlieren reflection system support and the imaging system support on the supporting base 3 to achieve height alignment.

[0023] 2. Start the two driving motors 12 to adjust the horizontal distance between the Schlieren reflection system and the imaging system and the horizontal distance between the light source system and the Schlieren reflection system.

[0024] 3. When the height of each system needs to be uniformly adjusted, start the driving source to drive the longitudinal screw 1 of the first lifting mechanism to rotate, and then use the first chain transmission structure 16 and the second chain transmission structure 5 to drive all the longitudinal screws 1 to rotate, thereby driving each bearing seat 3 to rise or fall synchronously to the set position through the longitudinal wire sleeve 2.

[0025] The above is a detailed description of the embodiments of the utility model, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the invention of the utility model should still fall within the scope of this patent.

Claims

1. A connection structure of a Schlieren instrument, comprising a light source system mounting base, a Schlieren reflection system mounting base and an imaging system mounting base, characterized in that: The light source system mounting base, the Schlieren reflection system mounting base and the imaging system mounting base are arranged in sequence above the same base plate, and two parallel horizontal tracks are provided at the front and rear edges of the base plate. The lower parts of the light source system mounting base and the Schlieren reflection system mounting base are provided with rolling components that cooperate with the two horizontal tracks. The imaging system mounting base is fixed to the rear end of the base plate, and a vertical plate is provided at the front end of the base plate. Two horizontal lead screws parallel to the horizontal tracks are provided between the vertical plate and the imaging system mounting base. The light source system mounting base is provided with a nut that cooperates with one of the horizontal lead screws, and the Schlieren reflection system mounting base is provided with a nut that cooperates with the other horizontal lead screw. The upper surfaces of the light source system mounting base, the Schlieren reflection system mounting base and the imaging system mounting base are respectively provided with lifting mechanisms and are connected to the bearing seat by using the lifting mechanisms. The first lifting mechanism is connected to the driving source, and a transmission structure is provided between two adjacent lifting mechanisms.

2. The connection structure of the Schlieren instrument according to claim 1, characterized in that: The lifting mechanism includes two longitudinal screws arranged at intervals and longitudinal wire sleeves arranged on the longitudinal screws. Connection parts fixed to the longitudinal wire sleeves are arranged on both sides of the bearing seat. The bottom surface of the bearing seat is provided with longitudinal guide holes. The upper surfaces of the light source system mounting base, the schlieren reflection system mounting base and the imaging system mounting base are provided with guide columns that cooperate with the longitudinal guide holes.

3. The connection structure of the Schlieren instrument according to claim 1, characterized in that: The lifting mechanism on the light source system mounting base is the first lifting mechanism. The two longitudinal screws of each lifting mechanism are connected by a first chain transmission structure. The transmission structure is a second chain transmission structure. A tensioning wheel assembly corresponding to the second chain transmission structure is further provided on the upper surface of the light source system mounting base, the Schlieren reflection system mounting base and the imaging system mounting base. When adjusting the interval between adjacent bases, the transmission structure is tightened by the tensioning wheel assembly to ensure the synchronization of the three lifting mechanisms.

4. The connection structure of the Schlieren instrument according to claim 1, characterized in that: A driving motor corresponding to and connected to the two horizontal lead screws is arranged on the outer side of the vertical plate.

Images