CN219370122U - Two-dimensional translation objective table - Google Patents

Abstract

The utility model discloses a two-dimensional translation objective table, wherein a platform is slidably arranged on a bracket along a Y axis, and a caliper for holding a slide glass is slidably arranged on the platform along an X axis; the platform is in sliding connection with the caliper through a first guide rail; the platform is in sliding connection with the bracket through a second guide rail; the caliper is fixedly provided with a first rack extending along an X axis, and a first gear meshed with the first rack is rotatably arranged on the platform; the rack II extending along the Y axis is fixedly arranged on the bracket, and a gear II meshed with the rack II is rotatably arranged on the platform. The utility model can improve the stability and control the moving precision of the stage when feeding horizontally and longitudinally (X/Y axis), has the functions of motor driving and manual driving, has the functions of efficiency and fine adjustment, and is more in line with the traditional operation habit of experimenters. The two-dimensional translation object stage has the advantages of simple structure, low manufacturing cost and light weight.

Description

Two-dimensional translation objective table

Technical Field

The utility model relates to the field of microscope scanners, in particular to a two-dimensional translation object stage.

Background

Microscope scanners are used as a professional automatic imaging tool and play an irreplaceable role in the fields of life science, biological medicine, industrial detection and the like, and are general equipment of laboratories and detection centers of medical and health institutions, scientific research institutions, enterprises and the like.

The microscope scanner generally comprises a lens barrel, an objective lens rotating wheel, a manual objective table, an illuminator, a focusing wheel and a microscopic scanning control device, wherein the microscopic morphological characteristics of the observed sample under the ocular lens are observed through optical magnification of hundreds of thousands of times on the observed sample, and meanwhile, the global digital image information of the observed sample is automatically preserved. The automatic microscope scanner not only improves the working efficiency of workers, but also greatly promotes the development of automatic detection and industrial automatic detection of medical and health in China.

Taking medical pathology detection as an example, a commonly used pathology detection method usually needs to manually manufacture a pathology slide, according to different observation requirements, an objective table for controlling the pathology slide needs to be frequently adjusted, the stability and the precision of the objective table in different adjustment modes for controlling the movement of the slide are different, the control precision and the stability of the objective table for controlling the movement of the slide directly influence the imaging quality and the observation effect of a microscope scanner, and then the judgment result of a clinician is influenced. For a microscope scanner with poor imaging effect, the pathological judgment of a clinician is not facilitated, and the misdiagnosis probability is high. Therefore, the control precision and stability of the objective table during the movement adjustment of the pathological slide are improved, the imaging effect of the microscope scanner is improved, the accuracy of the diagnosis result of a clinician is increased, and the critical link for improving the survival probability of a patient is provided, so that the method has important significance.

The objective table is one of important device components in imaging equipment such as a microscope, a microscope scanner and the like, and is used for carrying pathological slide and driving the slide to move longitudinally and transversely (X/Y axis) in the horizontal direction to finish slide positioning, and then, a sample on the slide can be observed through an ocular lens and an objective lens or scanned to generate digital image information for storage so as to be used for a clinician to study and judge the pathological condition.

The traditional objective table has single function, usually has only manual adjustment or automatic adjustment function, has insufficient control capability of the movement precision and stability of the objective table, is not attached to the use habit of an operator, and easily causes the problems of reduced working efficiency of the operator, poor imaging quality and observation effect of a microscope and a microscope scanner, and the like.

In addition, for the actual operation requirement of the multifunctional equipment, a plurality of equipment needs to be purchased simultaneously, and the purchase cost and the management cost of the equipment are high. How to simultaneously compatible multiple function selection in the objective table of a device, and guarantee the work effect and the quality of the device, effectively utilize the existing resources, fit the technical habit of operators, and carry out digital image information retention on slide glass data with low cost and high efficiency is a problem to be solved urgently at present.

Disclosure of Invention

The utility model mainly aims to provide a two-dimensional translation objective table, which aims to solve the problems that the control precision and stability of the traditional objective table on the movement of a glass slide are poor, and the imaging quality and the observation effect of a microscope and a microscope scanner are affected.

In order to solve the problems, the utility model provides a two-dimensional translation objective table, which comprises a bracket, wherein a platform is arranged on the bracket in a sliding way along a Y axis, and a caliper for holding a slide glass is arranged on the platform in a sliding way along an X axis;

the caliper is fixedly provided with a first rack extending along an X axis, a first gear meshed with the first rack is rotatably arranged on the platform, and preferably teeth of the first rack and the first gear are helical teeth;

the rack II extending along the Y axis is fixedly arranged on the bracket, the gear II meshed with the rack II is rotatably arranged on the platform, and preferably, teeth of the rack II and the gear II are helical teeth.

In one embodiment, the platform and the bracket are slidably coupled by a second guide rail.

In one embodiment, the platform and caliper are slidably coupled by a guide rail.

In one embodiment, a slide carrier plate is attached to the slide in the direction of the platform, more preferably the slide is further provided with rotatable jaws, more preferably the jaws are higher than the slide carrier plate.

In an embodiment, the jaws extend along the direction of the slide carrier plate, for example, the jaws may be disposed on sides of the slide carrier plate.

In one embodiment, the platform is provided with a first window, the bracket is provided with a second window, and the first window is aligned with the second window.

In one embodiment, the slide carrier plate is provided with a third window, preferably located in the slide carrying area.

In an embodiment, a rotating shaft is rotatably installed on the platform, and the first gear and the first hand wheel are coaxially and fixedly arranged on the rotating shaft. Preferably, the platform is connected with a flange, the flange is provided with a bearing, one end of the rotating shaft is rotatably connected to the bearing and penetrates through the bearing to be connected with the first gear, and the other end of the rotating shaft is connected with the first hand wheel.

In an embodiment, a rotary drum is rotatably installed on the platform or the bracket, and the second gear and the second hand wheel are coaxially and fixedly arranged on the rotary drum. For example, the platform or the bracket is connected with a second flange, the second flange is provided with a second bearing, and the rotary drum is rotatably connected to the second bearing.

In one embodiment, the drum is rotatably sleeved on the rotating shaft. For example, the rotating shaft is sleeved with a second bearing, the rotating drum is sleeved on the rotating shaft through the second bearing, and the second hand wheel and the second gear are both positioned in an area between the first hand wheel and the first gear.

In one embodiment, the caliper and the platform are in transmission connection through a thrust device I, and the thrust device I is used for driving the caliper to slide on the platform along the X axis.

In an embodiment, the platform is slidably provided with an installation seat along the X-axis, and the caliper, the first rack, the first grating ruler and the first thrust device are fixedly arranged on the installation seat.

In an embodiment, the first thrust device is a magnetic axis linear motor, and comprises a first motor body and a sliding shaft passing through the first motor body, wherein two ends of the sliding shaft are connected to the platform, the first motor body is connected with the caliper, and preferably, the first motor body is connected with the mounting seat.

In an embodiment, the platform and the bracket are in transmission connection through a second thrust device, and the second thrust device is used for driving the platform to slide on the bracket along the Y axis.

In an embodiment, the second thrust device may be a magnetic axis linear motor or a through screw stepping motor.

In an embodiment, the second thrust device is a penetrating screw rod stepping motor, and comprises a second motor body and a screw rod penetrating through the second motor body, wherein two ends of the screw rod are connected to the bracket, and the second motor body is fixed on the platform.

In an embodiment, the bracket is provided with a guide rail III and a screw rod stepping motor base on one side close to the gear II, the guide rail III is fixed on the bracket, the screw rod stepping motor base is in sliding connection with the guide rail III, two screw rod shaft seats are arranged on the screw rod stepping motor base, a third bearing is arranged on the screw rod shaft seat, and two ends of the screw rod are respectively connected with the third bearing of one screw rod shaft seat.

In an embodiment, the second rack is disposed on a side of the screw rod stepper motor base facing the second gear.

In one embodiment, the first grating rule is arranged on the caliper and used for detecting displacement of the caliper sliding along the X axis on the platform.

In an embodiment, the platform is provided with a second grating ruler for detecting displacement of the platform sliding along the Y axis on the bracket.

In an embodiment, the first grating ruler comprises a first ruler and a first reading head, wherein the first ruler is fixedly connected with the platform, and the first reading head is fixedly connected with the caliper.

In an embodiment, the second grating ruler comprises a second ruler and a second reading head, the second ruler is fixedly connected with the platform, and the second reading head is fixedly connected with the bracket.

The beneficial effects are that:

1) According to the two-dimensional translation objective table, the meshing degree of the rack and the gear is increased by designing the teeth of the rack and the gear into the helical teeth, so that the stability of the objective table during horizontal transverse and longitudinal (X/Y axis) feeding is improved.

2) According to the two-dimensional translation objective table, the grating ruler is added to improve the movement control precision of the objective table in horizontal transverse and longitudinal (X/Y axis) feeding, so that the purposes of improving the imaging quality and the observation effect of a microscope and a microscope scanner are achieved, and the accuracy of diagnosis results of clinicians and the survival probability of patients are increased.

3) The two-dimensional translation objective table has the functions of motor driving and manual driving, and is integrated with automatic and manual practice.

4) The two-dimensional translation objective table has high motor driving efficiency and high manual driving precision, and is more in line with the traditional operation habit of experimenters.

5) The two-dimensional translation object stage has the advantages of simple structure, low manufacturing cost and light weight.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a two-dimensional translational stage of the present utility model;

FIG. 2 is a bottom view of a two-dimensional translational stage of the present utility model;

FIG. 3 is an exploded view of a two-dimensional translational stage of the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 3;

fig. 5 is an enlarged view of a portion B in fig. 3;

fig. 6 is an enlarged view of a portion C in fig. 3;

fig. 7 is an enlarged view of a portion D in fig. 3.

The reference numerals are explained as follows:

1. a platform; 2. a mounting base; 3. a first guide rail; 4. a first rack; 5. a rotating shaft; 6. a first gear; 7. a first hand wheel; 8. a second rack; 9. a bracket; 10. a second guide rail; 11. a screw rod shaft seat; 12. a screw rod; 13. a second motor main body; 14. a rotating drum; 15. a second gear; 16. a second hand wheel; 17. a second ruler; 18. a second reading head; 19. a first ruler; 20. a first reading head; 21. a slide shaft; 22. a first motor main body; 23. a caliper; 24. a claw; 25. slide, 26, slide bearing plate, 27, flange, 28, screw rod stepping motor base, 31, window one, 32, window two, 33, window three.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a two-dimensional translation object stage, which increases the meshing degree of a rack and a gear by designing teeth of the rack and the gear into helical teeth, thereby improving the stability of the object stage when feeding horizontally and transversely (X/Y axis); the accuracy of movement control during horizontal and longitudinal (X/Y axis) feeding of the object stage is improved by adding the grating ruler, so that the purposes of improving the imaging quality and the observation effect of a microscope and a microscope scanner are realized, and the accuracy of diagnosis results of clinicians and the survival probability of patients are increased.

Specifically, in an embodiment of the present utility model, as shown in fig. 1 to 3, the two-dimensional translation stage includes a bracket 9, where the bracket 9 is used to carry the platform 1 on one hand and to be fixedly connected to a microscope or a microscope scanner on the other hand, so that the two-dimensional translation stage of the present embodiment is mounted on the microscope or the microscope scanner to enable the microscope to observe the specimen on the slide 25 through an eyepiece or an objective lens or enable the microscope scanner to scan the specimen on the slide 25 to generate digital image information for retention.

In this embodiment, as shown in fig. 1-3, the platform 1 is slidably mounted on the bracket 9 along the Y axis, the platform 1 is used for carrying the caliper 23, and further, the platform 1 and the bracket 9 are slidably connected through the second guide rail 10, as shown in fig. 3 and 6, so that the sliding stability of the platform 1 on the bracket 9 along the Y axis can be enhanced.

Preferably, the second guide rail 10 is a cross roller guide rail, which has high stability, and can further enhance the sliding stability of the platform 1 on the bracket 9 along the Y axis.

In this embodiment, as shown in fig. 1 to 3, a caliper 23 for holding a slide glass 25 is slidably mounted on the platform 1 along the X axis, a claw 24 is provided on the caliper 23, the claw 24 is used for fixing the slide glass 25, and the caliper 23 is connected with a slide glass carrier plate 26 for holding the slide glass 25. The jaws 24 are higher than the slide 25, and the jaws 24 are rotatably connected to the calipers 23, and when the slide 25 is placed on the slide carrier plate 26, the jaws 24 are turned to fix the slide 25.

Further, for the convenience slide connection of the caliper 23 and the platform 1, as shown in fig. 3, the mounting seat 2 is slidably mounted on the platform 1 along the X axis, and the caliper 23 is fixedly disposed on the mounting seat 2, further, for the convenience slide connection of the mounting seat 2 and the caliper 23, the mounting seat 2 and the platform 1 are slidably connected through a guide rail 3, as shown in fig. 4.

Preferably, the first guide rail 3 is a cross roller guide rail, and the stability of the cross roller guide rail is high, so that the stability of sliding the caliper 23 and the mounting seat 2 on the platform 1 along the X axis can be further enhanced.

In this embodiment, as shown in fig. 3, a rack one 4 extending along the X axis is fixedly arranged on the mounting seat 2, a gear one 6 meshed with the rack one 4 is rotatably installed on the platform 1, the gear one 6 rotates to drive the rack one 4 to drive the mounting seat 2 and the caliper 23 to move along the X axis, and teeth of the rack one 4 and the gear one 6 can be helical teeth; the rack II 8 extending along the Y axis is fixedly arranged on the bracket 9, the gear II 15 meshed with the rack II 8 is rotatably arranged on the platform 1, the gear II 15 is rotationally driven to drive the rack II 8 to drive the platform 1 to move along the Y axis, teeth of the rack II 8 and the gear II 15 can be helical teeth, the meshing degree of the rack and the gear can be increased by the design form of the helical teeth, the stability of the caliper 23 and the whole two-dimensional translation object stage during horizontal and longitudinal (X/Y axis) feeding is improved, the imaging quality and the observation effect of a microscope and a microscope scanner are improved, and the accuracy of diagnosis results of a clinician and the survival probability of a patient are improved.

The platform 1 is provided with a first window 31 and the bracket 9 is provided with a second window 32, and the first window 31 is aligned with the second window 32. The slide carrier plate 26 is provided with a third window 33, and the slide 25 is positioned above the third window 33. The second gear 15 drives the second rack 8 to drive the platform 1 to move along the Y axis above the bracket 9 to align the first window 31 with the second window 32. The first gear 6 drives the first rack 4 to drive the caliper 23 to move along the X axis, so that the third window 33 is aligned with the first window 31 and the second window 32. Three windows are located between the objective lens and the mirror of the microscope.

In this embodiment, as shown in fig. 3, the first grating ruler is disposed on the caliper 23, the first grating ruler is used for detecting displacement of the caliper 23 sliding on the platform 1 along the X axis, the second grating ruler is disposed on the platform 1, and is used for detecting displacement of the platform 1 sliding on the bracket 9 along the Y axis, and the setting of the second grating ruler can significantly improve the movement control precision of the caliper 23 during horizontal transverse and longitudinal (X/Y axis) feeding, improve the imaging quality and observation effect of the microscope and the microscope scanner, and improve the accuracy of the diagnosis result of the clinician and the survival probability of the patient.

Specifically, in this embodiment, as shown in fig. 3, the first grating ruler 19 includes a first ruler 19 and a first reading head 20, the first ruler 19 is fixedly connected with the platform 1, the first reading head 20 is fixedly connected with the mounting seat 2, and the first ruler 19 and the first reading head 20 are in sliding contact; the second grating ruler comprises a second ruler 17 and a second reading head 18, the second ruler 17 is fixedly connected with the platform 1, the second reading head 18 is fixedly connected with the bracket 9, and the second ruler 17 and the second reading head 18 are in sliding contact, and the structure and the working principle of the second grating ruler belong to common knowledge and are not repeated herein.

In this embodiment, as shown in fig. 3 and 5, the platform 1 is rotatably provided with a rotating shaft 5, the rotating shaft 5 is coaxially and fixedly provided with the first gear 6 and the first hand wheel 7, and the first gear 6 can be driven to rotate around the rotating shaft 5 by pulling the first hand wheel 7. For example, as shown in fig. 3, a flange 27 is fixed on the platform 1, the flange 27 is provided with a first bearing, the rotating shaft 5 passes through the first bearing and can rotate in the first bearing, one end of the rotating shaft 5 passing through the first bearing is connected with a first gear, and the other end is connected with a first hand wheel.

In this embodiment, as shown in fig. 3 and 5, the rotating shaft 5 is rotatably sleeved with a rotating drum 14, the rotating drum 14 is coaxially and fixedly provided with a second gear 15 and a second hand wheel 16, and the second gear 15 can be driven to rotate around the rotating drum 14 by pulling the second hand wheel 16. For example, the rotary shaft 5 is sleeved with a second bearing, and the rotary drum 14 is sleeved on the second bearing, so that the rotary drum 14 can rotate around the rotary shaft 5 through the second bearing. The second hand wheel 16 and the second gear 15 are both positioned between the flange 27 and the first hand wheel 7. When the first hand wheel 7 or the second hand wheel 16 is shifted, the other hand wheel can be kept static through the friction force of the bearing, or the other hand wheel can be fixed by hand to keep static.

In this embodiment, the caliper 23 is further in transmission connection with the platform 1 through a first thrust device, and the first thrust device is used for driving the caliper 23 to slide on the platform 1 along the X axis by itself; the platform 1 and the bracket 9 are connected through the second transmission of the thrust device, and the second transmission of the thrust device is used for driving the platform 1 to automatically slide on the bracket 9 along the Y axis, so that the two-dimensional translation object stage of the embodiment has two functions of manual adjustment and automatic adjustment, a user can freely select according to the needs, and the working efficiency of the user is greatly improved.

Further, as shown in fig. 3, the first thrust device is a magnetic axis linear motor, the magnetic axis linear motor includes a sliding shaft 21 and a first motor main body 22 sleeved on the sliding shaft 21, two ends of the sliding shaft 21 are fixedly connected with the platform 1, the first motor main body 22 is fixedly connected with the caliper 23, if the first motor main body can be fixedly connected with the mounting seat 2, after the magnetic axis linear motor is electrified, the first motor main body 22 moves along the sliding shaft 21, then drives the caliper 23 to automatically slide along the X axis on the platform 1, after the magnetic axis linear motor is powered off, the first hand wheel 7 is driven, and the first motor main body 22 can still be driven to move through the first gear 6, so that the caliper 23 is driven to slide along the X axis on the platform 1.

Further, as shown in fig. 3 and 7, the second thrust device is a penetrating screw stepping motor, the penetrating screw stepping motor includes a screw stepping motor base 28, a screw shaft seat 11, a screw 12, and a second motor body 13, the screw stepping motor base 28 is connected to the bracket 9 through a third guide rail, the two screw shaft seats 11 are fixedly connected to the screw stepping motor base 28, and the second motor body 13 is located between the two screw shaft seats 11. Two ends of the screw rod 12 are fixed on a third bearing of the screw rod shaft seat 11, and the second motor main body 13 is sleeved on the screw rod 12 in a penetrating way and fixedly connected with the platform 1. The second rack 8 is positioned on one side of the screw stepper motor base 28 facing the second gear 15. After the penetrating screw rod stepping motor is electrified, the motor main body II 13 moves along the screw rod 12 to drive the platform 1 to automatically slide along the Y axis on the bracket 9, when the penetrating screw rod stepping motor is powered off, the hand wheel II 16 is stirred, the gear II 15 drives the rack II 8, the screw rod stepping motor base 28 moves along the guide rail III in the Y axis direction, and the motor main body II 13 and the screw rod stepping motor base 28 move together because the resistance brought by the screw rod 12 to the motor main body II 13 cannot be overcome, so that the platform 1 is driven to automatically slide along the Y axis on the bracket 9, and the design is designed to realize that the manual adjustment can still be normally used under the condition of power off of the two-dimensional translation objective table without delaying work, and the practicality is good.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (16)

1. The two-dimensional translation objective table is characterized by comprising a bracket, wherein a platform is slidably arranged on the bracket along a Y axis, and a caliper for holding a slide glass is slidably arranged on the platform along an X axis; the platform is in sliding connection with the caliper through a first guide rail; the platform is in sliding connection with the bracket through a second guide rail;

the caliper is fixedly provided with a first rack extending along an X axis, a first gear meshed with the first rack is rotatably arranged on the platform, and teeth of the first rack and the first gear are helical teeth;

the rack II extending along the Y axis is fixedly arranged on the bracket, the gear II meshed with the rack II is rotatably arranged on the platform, and teeth of the rack II and the gear II are helical teeth.

2. A two-dimensional translational stage as claimed in claim 1, wherein the platform is provided with a first window and the carrier is provided with a second window.

3. A two-dimensional translational stage as claimed in claim 1 or claim 2, wherein a slide carrier plate is attached to the calliper in the direction of the platform.

4. A two-dimensional translational stage as claimed in claim 3, wherein the calliper is further provided with rotatable jaws.

5. A two-dimensional translational stage as claimed in claim 3 wherein the slide carrying plate is provided with a window three, the window three being located in the slide carrying region.

6. The two-dimensional translational stage of claim 1, wherein a shaft is rotatably mounted on the platform, and the first gear and the first hand wheel are coaxially mounted on the shaft.

7. A two-dimensional translational stage as set forth in claim 6 wherein the platform is connected to a flange, the flange having a bearing, one end of the shaft rotatably connected to the bearing and passing out of the bearing to connect to the first gear and the other end to connect to the first hand wheel.

8. A two-dimensional translational stage as set forth in claim 6 wherein a drum is rotatably mounted on either the platform or the carriage, and wherein the second gear and the second hand wheel are coaxially mounted on the drum.

9. A two-dimensional translational stage as set forth in claim 8 wherein the drum is rotatably journaled on the shaft.

10. The two-dimensional translational stage of claim 1, wherein said callipers are drivingly connected to said platform by a thrust means, said thrust means being adapted to drive said callipers to slide along said X axis on said platform; and/or

The platform and the bracket are in transmission connection through a second thrust device, and the second thrust device is used for driving the platform to slide on the bracket along the Y axis.

11. The two-dimensional translational stage of claim 10, wherein the first thrust means is a magnetic axis linear motor comprising a motor body and a slide shaft extending through the motor body, the slide shaft being connected to the platform at both ends thereof, the motor body being connected to the caliper.

12. The two-dimensional translational stage of claim 10, wherein the second thrust device is a through screw stepper motor, comprising a second motor body, a screw passing through the second motor body, two ends of the screw being connected to the bracket, the second motor body being fixed to the platform.

13. The two-dimensional translational stage of claim 12, wherein a side of the bracket adjacent to the gear two is provided with a guide rail three and a screw rod stepping motor base, the guide rail three is fixed on the bracket, the screw rod stepping motor base is in sliding connection with the guide rail three, the screw rod stepping motor base is provided with two screw rod shaft seats, the screw rod shaft seats are provided with third bearings, and two ends of the screw rod are respectively connected with the third bearings of one screw rod shaft seat; the screw rod stepping motor base faces one side of the second gear, and the second rack is arranged on the screw rod stepping motor base.

14. The two-dimensional translational stage of claim 1, wherein the caliper is provided with a first grating scale for detecting displacement of the caliper sliding along the X-axis on the platform;

and/or

And a grating ruler II is arranged on the platform and used for detecting the displacement of the platform sliding along the Y axis on the bracket.

15. A two-dimensional translational stage as set forth in claim 14 wherein the first grating scale comprises a first scale and a first readhead, the first scale being fixedly attached to the platform and the first readhead being fixedly attached to the caliper.

16. A two-dimensional translational stage as set forth in claim 14 wherein the second grating scale comprises a second scale fixedly attached to the platform and a second readhead fixedly attached to the carriage.