CN220508065U - Simulation device for earth surface movement and target two-dimensional movement - Google Patents
Simulation device for earth surface movement and target two-dimensional movement Download PDFInfo
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Abstract
A simulation device for earth surface movement and target two-dimensional movement relates to the technical field of remote sensing push-broom camera function simulation tests, and solves the problems that the simulation device of the existing push-broom camera cannot realize simulation of earth surface movement and target movement at the same time, imaging effect is poor due to mutual influence when the existing equipment is combined and applied, and the like; according to the device, the target object is assembled at the tail end of the linear optical axis, and the screw rod is assembled outside the ground surface motion simulation area to control the motion of the target object, so that the projection area of the support and power part of the moving target object in the ground surface motion simulation area is extremely small, and the excellent effects of less imaging background shielding, less imaging interference of the edge of the target motion and realization of simulation close to a real environment can be achieved when the target motion is simulated.
Description
Technical Field
The utility model relates to the technical field of remote sensing push-broom camera function simulation tests, in particular to a simulation device for ground surface movement and target two-dimensional movement.
Background
The push-broom camera is a common ground image recording device in the aviation field, can directly record the ground surface area image flown by satellites, provides more image information for ground target analysis, and is widely used in the fields of agriculture, navigation, military and the like. The remote sensing push broom camera is expensive in design and emission cost, so that a simulation experiment or a physical experiment corresponding to the optical remote sensing camera for completing a specific scheme is necessary before emission.
In order to verify the detection of a moving target in an atmosphere layer based on a multi-window remote sensing push broom camera, a set of experimental device capable of simultaneously simulating the movement of the target and the relative movement between the moving target and the ground surface under the conditions of meeting the requirements of clear imaging effect of the target and the background and small imaging interference between the target and the background is required to be designed.
The existing motion experiment simulation device for the remote sensing camera has two schemes, namely, the whole motion process of a target is designed through software, a motion image is displayed on a display to complete motion simulation, or a physical device is designed to conduct motion simulation. However, the display area, screen resolution, screen response speed and the like of the existing electronic display equipment are difficult to meet the requirements of large field of view range, high camera resolution, high-frequency push-broom imaging, high-precision control and the like of experiments, and the cost of a few supported electronic screens is too high; the existing simulation equipment is often only used for realizing a certain item in target motion simulation or ground surface motion simulation, and equipment which is not realized at the same time is not used, if the equipment is combined, the imaging area of a moving target in the equipment is greatly influenced by the power structure and the supporting structure of the equipment, and the requirements of the imaging effect and the synchronous control of the ground surface motion and the target two-dimensional motion simulation in the experiment cannot be met because different equipment are driven differently.
For this purpose, it is necessary to design a simulation device to solve the above-mentioned problems.
Disclosure of Invention
The utility model provides a simulation device for ground surface movement and target two-dimensional movement, which aims to solve the problems that the simulation device of the existing push-broom camera can not realize the simulation of the ground surface movement and the target movement at the same time, and the imaging effect is poor due to the mutual influence when the existing equipment is combined and applied.
A simulation device for earth surface movement and target two-dimensional movement comprises a supporting and positioning unit;
the moving target simulation unit and the ground surface motion simulation unit are fixed on the supporting and positioning unit, and the two-dimensional motion simulation and the ground surface motion simulation of the target are respectively realized through the moving target simulation unit and the ground surface motion simulation unit;
the moving target simulation unit comprises two vertical guide mechanisms arranged on the supporting and positioning unit, and a vertical power mechanism which is positioned between the two vertical guide mechanisms and is parallel to the two vertical guide mechanisms;
the horizontal power mechanism moves up and down along the two vertical guide mechanisms and the vertical power mechanism;
the horizontal power mechanism drives a linear optical axis vertically arranged with the horizontal power mechanism to drive a target object to realize space two-dimensional movement;
the ground surface motion simulation unit comprises a transmission device arranged on the supporting and positioning unit, and the motion speed of the transmission device is matched with the imaging frequency, so that the transmission device drives the resolution test card to perform cyclic motion in a fixed direction.
The utility model has the beneficial effects that:
according to the utility model, the target object is assembled at the tail end of the linear optical axis, and the screw rod is assembled outside the ground surface motion simulation area to control the motion of the target object, so that the projection area of the support and power part of the moving target object in the ground surface motion simulation area is extremely small, and the excellent effects of less imaging background shielding, less imaging interference of the edge of the target motion and realization of simulation close to a real environment can be achieved when the target motion is simulated.
According to the utility model, the stable sliding blocks are added at the edge of the ground surface motion simulation area, the slidable supporting blocks perpendicular to the surface of the conveyor belt are added at the position, close to the motion target area, of the linear optical axis, and the stability and the vibration-free control of the motion of the target object are realized under the condition that the supporting area of the motion target object and the projection area of the power part in the ground surface motion simulation area are not increased (under the condition that the interference of the non-motion target object is not increased).
According to the utility model, the high-precision photoelectric encoder is used for measuring the movement angle of the screw rod, the real-time displacement of the movement of the target object is calculated according to the lead size of the screw rod, and the real-time linear velocity of the movement of the target object is calculated by time averaging the displacement, so that the real-time monitoring of the movement velocity is realized.
The utility model realizes synchronous and stable control between the ground surface movement and the target movement under the conditions of large speed adjustable range and long movement distance. The whole motion control operation is simple and convenient, the test is convenient, the advantages of high stability, difficult deformation, high structural hardness and the like are achieved, and the specific requirement of the experiment can be met under the condition of lower cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a simulation device for ground surface movement and two-dimensional movement of a target according to the present utility model;
FIG. 2 is a side view of a simulation apparatus for earth's surface motion and two-dimensional motion of a target according to the present utility model;
FIG. 3 is a front view of a simulation apparatus for surface motion and two-dimensional motion of a target according to the present utility model;
FIG. 4 is an effect diagram of a standard resolution test card;
FIG. 5 is a schematic view of the structure of the supporting and positioning unit;
FIG. 6 is a schematic view of a linear optical axis stabilization slider;
FIG. 7 is a schematic view of a slidable support block;
fig. 8 is a schematic view of another side structure of the slidable supporting block.
In the figure: 1. the device comprises a supporting and positioning unit, a 1-1 vertical structure frame, a 1-2 left supporting and positioning frame, a 1-3 right supporting and positioning frame and a 1-4 supporting base; 2. the device comprises a vertical closed loop stepping motor, 3, a vertical double-track screw rod, 4, a vertical screw rod photoelectric encoder, 5, a horizontal closed loop stepping motor, 6, a horizontal double-track screw rod, 7, a horizontal screw rod photoelectric encoder, 8, a horizontal screw rod sliding block, 9, a left vertical double-track guide rail, 10, a right vertical double-track guide rail, 11, a linear optical axis fixing sliding block, 12, a linear optical axis, 13, a linear optical axis stabilizing sliding block, 13-1, a linear bearing, 13-2, an open horizontal linear bearing, 14, a horizontal optical axis guide rail, 15, a slidable supporting block, 15-1, a cuboid, 15-2, a threaded through hole, 15-3, a ball, 15-4, an internal threaded hole, 16, a target object, 17, a stepping motor, 18, a speed reducer, 19, a motor connecting plate, 20, a synchronous belt, 21, a stepping motor speed reducer synchronous wheel, 22, a conveyor belt rotating shaft synchronous wheel, 23, a conveyor belt rotating shaft, 24, a conveyor belt outer frame, 25, a conveyor belt, 26 and a resolution test card.
Detailed Description
The present embodiment will be described with reference to fig. 1 to 8, which are a simulation apparatus of a ground movement and a two-dimensional movement of a target, a moving target simulation unit, a ground movement simulation unit, and a support positioning unit; the moving target simulation unit and the ground surface movement simulation unit are both fixed on the supporting and positioning unit, and the two-dimensional moving target simulation and the ground surface movement simulation are respectively realized through the moving target simulation unit and the ground surface movement simulation unit;
the moving target simulation unit comprises two vertical guide mechanisms arranged on the supporting and positioning unit, and a vertical power mechanism which is positioned between the two vertical guide mechanisms and is parallel to the two vertical guide mechanisms;
the horizontal power mechanism moves up and down along the two vertical guide mechanisms and the vertical power mechanism;
the horizontal power mechanism drives a linear optical axis vertically arranged with the horizontal power mechanism to drive a target object to realize space two-dimensional movement;
in this embodiment, the vertical power mechanism and the horizontal power mechanism are vertically installed, the vertical power mechanism and the horizontal power mechanism each comprise a closed-loop stepping motor, the closed-loop stepping motor is connected with a double-track screw rod through a coupler, and the double-track screw rod is connected with a photoelectric encoder.
The two vertical guide mechanisms are double-line guide rails, and the horizontal power mechanism moves up and down along the two double-line guide rails and the vertical double-line guide rail screw rod in the vertical power mechanism through each double-line guide rail slide block and the vertical screw rod slide block of the vertical power mechanism.
As shown in fig. 1 to 3, the vertical power mechanism comprises a vertical closed loop stepping motor 2, a vertical double-track screw 3 and a vertical screw photoelectric encoder 4;
the horizontal power mechanism comprises a horizontal closed-loop stepping motor 5, a horizontal double-line rail screw rod 6, a horizontal screw rod photoelectric encoder 7 and a horizontal screw rod sliding block 8;
the two vertical guide mechanisms are a left vertical double-line guide rail 9 and a right vertical double-line guide rail 10 respectively;
the horizontal closed-loop stepping motor 5 and the vertical closed-loop stepping motor 2 are respectively connected with a horizontal double-line rail lead screw 6 and a vertical double-line rail lead screw 3 through a coupler, and the horizontal double-line rail lead screw 6 and the vertical double-line rail lead screw 3 are respectively connected with a horizontal lead screw photoelectric encoder 7 and a vertical lead screw photoelectric encoder 4;
screw holes in the back of the horizontal double-wire screw rod 6 are fixed with screw holes of the left and right vertical double-wire guide rail sliding blocks and the vertical screw rod sliding blocks through screws, so that the horizontal double-wire guide screw rod 6 is vertically connected with the left vertical double-wire guide rail 9, the right vertical double-wire guide rail 10 and the vertical double-wire guide screw rod 3; so that the movement directions of the vertical double-line rail screw 3 and the horizontal double-line rail screw 6 are completely vertical.
According to the embodiment, the vertical closed-loop stepping motor 2 and the horizontal closed-loop stepping motor 5 can realize stepless speed regulation and control with high precision, high stability and high acceleration, so that a moving target can quickly reach a preset moving speed and a preset moving vector.
In this embodiment, the horizontal screw rod slide block 8 is fixed with a linear optical axis fixing slide block 11, two ends of the linear optical axis 12 are provided with threads, the linear optical axis fixing slide block 11 is provided with a threaded hole, the threads at the upper end of the linear optical axis 12 are in threaded connection with the threaded holes of the linear optical axis fixing slide block 11, and the target object 16 is connected at the lower end of the linear optical axis 12.
The ground surface motion simulation unit comprises a transmission device arranged on the supporting and positioning unit 1, and the motion speed of the transmission device is matched with the imaging frequency, so that the transmission device drives the resolution test card 26 to perform cyclic motion in a fixed direction.
As shown in fig. 1 to 3, the transmission device includes a stepping motor 17, a decelerator 18, a motor connection plate 19, a timing belt 20, a stepping motor decelerator timing wheel 21, a belt rotation shaft timing wheel 22, a belt rotation shaft 23, a belt out-of-belt frame 24, and a belt 25;
the resolution test card 26 is attached to the conveyor belt 25, the conveyor belt 25 is assembled on the conveyor belt rotating shaft 23, the conveyor belt rotating shaft 23 is connected to the conveyor belt outer frame 24, the motor connecting plate 19 is connected to the upper portion of the conveyor belt outer frame 24 through screws, the stepping motor 17 is connected to the speed reducer 18, the speed reducer 18 is connected to the motor connecting plate 19, the stepping motor synchronizing wheel 21 and the conveyor belt rotating shaft synchronizing wheel 22 are respectively connected to the speed reducer 18 rotating shaft and the conveyor belt rotating shaft 23, the synchronous belt 20 is connected with the stepping motor speed reducer synchronizing wheel 21 through the conveyor belt rotating shaft synchronizing wheel 22, the stepping motor 17 can obtain large torque through the speed reducer 18, accurate stepless speed regulation can be achieved, the conveyor belt device with large size can stably reach the preset linear speed, the resolution test card 26 is used for pushing the camera resolution matching and imaging linear frequency matching, the opposite frames of the conveyor belt outer frame 24 are parallel to each other, the conveyor belt rotating shaft 23 is completely perpendicular to the moving direction, and horizontal movement of the surface of the conveyor belt 25 is achieved.
As shown in fig. 4, fig. 4 is an effect diagram of resolution test card 26. In this embodiment, the area of the surface of the conveyor belt 25, which is not the area of the resolution test card, may be designed as a background pattern required for experiments, so as to simulate the earth's surface.
As shown in fig. 5, the supporting and positioning unit 1 includes a plurality of groups of aluminum profile tools with consistent length, and the aluminum profile tools are integrally formed or assembled by a vertical structural frame 1-1, a left supporting and positioning frame 1-2, a right supporting and positioning frame 1-3 and a supporting base 1-4. A conveyor belt outer frame 24 is arranged between the support base 1-4 and the left support positioning frame 1-2 and the right support positioning frame 1-3; the moving target simulation unit is positioned by a left supporting and positioning frame 1-2 and a right supporting and positioning frame 1-3. The ground surface motion simulation unit realizes supporting and positioning through the left supporting and positioning frame 1-2, the right supporting and positioning frame 1-3 and the supporting base 1-4. By adopting the supporting and positioning unit 1 to perform positioning and supporting, the motion of the moving object simulation unit is completely horizontal or vertical to the ground, the ground surface motion simulation unit is completely vertical to the ground, the ground surface motion simulation unit and the moving object simulation unit move in the horizontal direction and are completely horizontal, and errors caused by the non-horizontal motion of the ground surface simulation unit and the moving object simulation unit are avoided.
In the present embodiment, the device further comprises a motion stabilizing unit, wherein the motion stabilizing unit comprises a linear optical axis stabilizing slide block 13, a horizontal optical axis guide rail 14 and a slidable supporting block 15; the linear optical axis 12 sequentially passes through the linear optical axis fixing slider 11, the linear optical axis stabilizing slider 13 and the slidable support block 15, and a target object 16 is fixed at the lower end.
The horizontal optical axis guide rail 14 is arranged on the outer frame of the conveyor belt of the transmission device, and the horizontal optical axis guide rail 14 is parallel to the horizontal power mechanism; the linear optical axis 12 is perpendicular to the horizontal power mechanism and the horizontal optical axis guide rail 14; the linear optical axis stabilizing slide block 13 is in sliding connection with the horizontal optical axis guide rail 14; the motion of the moving object in the horizontal direction and the vertical direction is realized.
As shown in fig. 6, the linear optical axis stabilizing slider 13 is internally processed into two vertical bearing holes and horizontal linear bearing holes which are positioned on different horizontal planes and are perpendicular to each other; the vertical bearing hole is provided with a vertical linear bearing 13-1, the horizontal linear bearing hole is provided with an open type horizontal linear bearing 13-2, and the open type horizontal linear bearing 13-2 is connected with a horizontal optical axis guide rail 14 in a matching way;
as shown in fig. 7 and 8, the slidable supporting block 15 has a rectangular parallelepiped 15-1 structure, an internal threaded through hole 15-2 is provided at the top, a set of internal threaded holes 15-4 and a pair of balls 15-3 are provided on both sides, respectively, and the balls 15-3 are in contact with the conveyor belt 25;
the linear optical axis 12 passes through the vertical linear bearing 13-1 of the linear optical axis stabilizing slide block 13 and the internal threaded through hole 15-2 of the slidable support block 15, and is screwed into the internal threaded hole 15-4 through a jackscrew to strengthen the connection with the linear optical axis 12, and the linear optical axis stabilizing slide block 13 and the slidable support block 15 enable a moving object to keep free of swing and vibration in the high-speed movement process of the linear optical axis 12.
In the embodiment, the target two-dimensional movement range is 800mm x 1300mm, the background size of the conveyor belt is 800mm x 1200mm, the leads of the horizontal double-wire rail screw rod and the vertical double-wire rail screw rod are 10mm, the stable movement speed range of the screw rod sliding block is 0mm/s-250mm/s, the highest stable rotation speed of the closed-loop stepping motor is 1500r/min, the reduction ratio of the stepping motor is 1:10, and the movement linear speed range of the conveyor belt is: 0-300 mm/s.
The working principle of the simulation device for the surface motion and the target two-dimensional motion in the embodiment is as follows:
1. the matching of the front position and the ground surface movement speed of the simulation device is carried out, an optical camera lens set to be in a multi-window push-broom mode is placed at the position with the distance of 190cm-230cm from the simulation device, (the placed distance can be adjusted according to the difference of the focal length of the optical camera lens), the optical axis of the optical camera lens is aligned to the center of the conveyor belt 25, the stepping motor 17 drives the ground surface movement simulation unit to simulate the ground surface movement, meanwhile, the imaging effect of the optical camera lens on the resolution test card 26 (ISO 12233 test card) is observed, the parameters and the positions of the optical camera lens are adjusted until distortion-free clear identification image of a plurality of push-broom windows is obtained, the image plane of the optical camera is completely overlapped with the plane of the conveyor belt 25, and meanwhile, the movement speed of the conveyor belt 25 is matched with the imaging line frequency of the optical camera, so that clear orthographic imaging is obtained.
In this embodiment, the stepper motor 17 drives the decelerator 18 to move, and drives the synchronous belt 20 to drive the conveyor belt 25 through the decelerator 18, so that the conveyor belt 25 and the ISO12233 test card move circularly clockwise or anticlockwise, and the driving parameters of the closed loop stepper motor 17 are determined and fixed when the optical camera obtains clear imaging of the ISO12233 test card by changing the driving parameters of the stepper motor 17 according to the calculation formula of the speed-to-height ratio of the satellite to change the movement linear speed of the conveyor belt 25, thereby determining the surface movement simulation speed matched with the push-to-sweep frequency of the optical camera.
2. And on the basis of matching the ground surface movement speed with the push-sweep frequency of the optical camera, two-dimensional movement simulation of the target is performed, so that the working synchronization of the target movement and the encoder is realized, and the accurate acquisition of the target movement speed is facilitated.
Firstly, determining the motion speed and the two-dimensional motion track required by the experiment, and driving the horizontal closed-loop stepping motor 5 and the vertical closed-loop stepping motor 2 by the simulation device at the maximum speed of 330mm/s to enable the target to complete the two-dimensional motion with the effective range of 800mm x 1200 mm.
Then, an enabling signal for starting the two-dimensional motion simulation experiment of the target is determined and sent out. And waiting for the completion of the design of the two-dimensional motion trail when the optical push-broom camera and the conveyor belt are in a working state of stable matching, and outputting an experiment starting enabling signal at the moment that the first window of the optical camera detects the edge of the ISO12233 test card through a frame difference algorithm.
In this embodiment, when the vertical closed-loop stepping motor 2 and the horizontal closed-loop stepping motor 5 receive the motion enable signal, the two closed-loop stepping motors start to drive the horizontal double-track 6 lead screw and the vertical double-track lead screw 3 to move, and simultaneously the horizontal lead screw photoelectric encoder 7 and the vertical lead screw photoelectric encoder 4 start to operate. The vertical closed-loop stepping motor 2 drives the vertical screw rod sliding block and the left and right vertical double-line guide rail sliding blocks to drive the horizontal double-line guide rail screw rod 6 to stably move up and down along the vertical double-line guide rail screw rod 3, the left vertical double-line guide rail 9 and the right vertical double-line guide rail 10 in the vertical direction, so that two-dimensional target motion simulation is realized. The horizontal closed-loop stepping motor 5 drives the horizontal double-track sliding block 8 to horizontally move along the horizontal double-track screw rod 6. The horizontal double track slider 8 realizes a spatial two-dimensional movement. The horizontal double track slide 8, which moves in two dimensions in space, drives the target object 16 to perform a preset two-dimensional movement on the surface of the conveyor belt 25.
The horizontal screw photoelectric encoder 7 and the vertical screw photoelectric encoder 4 keep working in the two-dimensional motion process of the target object 16, rotation angle data of the vertical closed-loop stepping motor 2 and the horizontal closed-loop stepping motor 5 in the screw motion process are output in real time, length conversion is carried out according to the leads of the horizontal double-line screw 6 and the leads of the vertical double-line screw 3, real-time displacement of motion of the vertical screw slide block and the horizontal screw slide block 8 is obtained, the two-dimensional motion speed of the target object 16 is obtained in real time by averaging the displacement data, and a comparison table of the motion speed and experimental time is obtained by corresponding the two-dimensional motion speed result with the time of the displacement output by the encoder, so that a reference result is provided for algorithm verification.
3. And determining the accurate speed of the moving target in the experimental imaging result according to the push-broom image of the optical camera.
In the experiment, a plurality of imaging windows of an optical push-broom camera output a plurality of long strip images with a certain time interval, and an image generated by a single window comprises a conveyor belt and a single target object.
In this embodiment, the number of pixels in the horizontal direction of the edge pixel of the ISO12233 test card in the position distance picture of the target object in the image is calculated, and according to the imaging frequency of the optical push-broom camera, the motion time when the moving object in the image is captured by the push-broom camera window can be calculated. Because the pixel intervals among a plurality of windows of the optical camera in the verification algorithm of the simulation device are fixed and known, the time when the target is captured can be obtained by adding the time intervals between the corresponding time of the moving target in the images corresponding to all windows and the first window. And searching a speed and time comparison table to obtain the standard speed of the target when the target is captured by the imaging window, wherein the standard speed is used for error analysis of a moving target speed calculation method based on push-broom imaging of the multi-window optical camera.
In this embodiment, the whole experimental simulation process may be remotely implemented by using host computer software, or may be implemented by self-designing a control manner.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. A simulation device for earth surface movement and target two-dimensional movement is characterized in that: the simulation device comprises a supporting and positioning unit;
the moving target simulation unit and the ground surface movement simulation unit are fixed on the supporting and positioning unit, and are used for respectively realizing the simulation of a two-dimensional moving target and the simulation of ground surface movement;
the moving target simulation unit comprises two vertical guide mechanisms arranged on the supporting and positioning unit, and a vertical power mechanism which is positioned between the two vertical guide mechanisms and is parallel to the two vertical guide mechanisms;
the horizontal power mechanism moves up and down along the two vertical guide mechanisms and the vertical power mechanism;
the horizontal power mechanism drives a linear optical axis vertically arranged with the horizontal power mechanism to drive a target object to realize space two-dimensional movement;
the ground surface motion simulation unit comprises a transmission device arranged on the supporting and positioning unit, and the motion speed of the transmission device is matched with the imaging frequency, so that the transmission device drives the resolution test card to perform cyclic motion in a fixed direction.
2. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 1, wherein: the vertical power mechanism and the horizontal power mechanism are vertically arranged and comprise closed-loop stepping motors, the closed-loop stepping motors are connected with double-track screw rods through couplings, and the double-track screw rods are connected with photoelectric encoders.
3. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 2, wherein: the two vertical guide mechanisms are double-line guide rails, and the horizontal power mechanism moves up and down along the two double-line guide rails and the vertical double-line guide rail screw rod in the vertical power mechanism through each double-line guide rail slide block and the vertical screw rod slide block of the vertical power mechanism.
4. A simulation device for earth's surface motion and two-dimensional motion of a target according to claim 3, wherein: the device also comprises a motion stabilizing unit, wherein the motion stabilizing unit comprises a linear optical axis stabilizing sliding block, a horizontal optical axis guide rail and a slidable supporting block;
the horizontal optical axis guide rail is arranged on the outer frame of the conveyor belt of the transmission device and is parallel to the horizontal power mechanism;
a linear optical axis fixing sliding block is fixed on a horizontal screw rod sliding block of the horizontal power mechanism, a linear optical axis sequentially passes through the linear optical axis fixing sliding block, the linear optical axis stabilizing sliding block and the slidable supporting block, and a target object is fixed at the bottom;
the linear optical axis stabilizing slide block is in sliding connection with the horizontal optical axis guide rail.
5. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 4, wherein: the linear optical axis stable sliding block is internally processed into two open type horizontal linear bearings and vertical linear bearings which are positioned on different horizontal planes and are mutually vertical;
the open type horizontal linear bearing is connected with the horizontal optical axis guide rail, and the vertical linear bearing is connected with the linear optical axis.
6. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 4, wherein: the sliding support block is of a cuboid structure, a threaded through hole is formed in the top of the sliding support block, a group of internal threaded holes and a pair of balls are respectively formed in two opposite side surfaces of the sliding support block, and the balls are in contact with the conveyor belt; and screwing the jackscrew into the internal threaded hole to fix the jackscrew and the linear optical axis.
7. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 1, wherein: the transmission device comprises a synchronous belt, a stepping motor, a speed reducer, a conveyor belt rotating shaft, a conveyor belt and a resolution test card;
the resolution test card is stuck on the conveyor belt, the non-resolution test card area on the conveyor belt is designed into a background pattern, and the stepping motor drives the synchronous belt and the conveyor belt rotating shaft to move through the speed reducer, so that the conveyor belt is driven to move.
8. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 7, wherein: the transmission device also comprises a stepping motor synchronous wheel, a conveyor belt rotating shaft synchronous wheel, a motor connecting plate and a conveyor belt outer frame;
the step motor synchronous wheel and the conveyor belt rotating shaft synchronous wheel are connected with the synchronous belt;
the speed reducer is connected to the motor connecting plate, the motor connecting plate is connected to the upper portion of the outer frame of the conveyor belt through screws, the rotating shaft of the conveyor belt is arranged on the outer frame of the conveyor belt, and the synchronous wheel of the stepping motor and the synchronous wheel of the rotating shaft of the conveyor belt are respectively connected to the rotating shaft of the speed reducer and the rotating shaft of the conveyor belt.
9. The simulation device for the surface motion and the two-dimensional motion of the target according to claim 1, wherein: the supporting and positioning unit adopts an aluminum profile tool.
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| CN202322310807.2U CN220508065U (en) | 2023-08-28 | 2023-08-28 | Simulation device for earth surface movement and target two-dimensional movement |
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