CN210741450U - Theodolite calibrating device and auxiliary reading acquisition device - Google Patents
Theodolite calibrating device and auxiliary reading acquisition device Download PDFInfo
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- CN210741450U CN210741450U CN201921440495.4U CN201921440495U CN210741450U CN 210741450 U CN210741450 U CN 210741450U CN 201921440495 U CN201921440495 U CN 201921440495U CN 210741450 U CN210741450 U CN 210741450U
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Abstract
The utility model discloses a theodolite calibrating device, which comprises a workbench, a light-emitting device and an auxiliary reading acquisition device, wherein the auxiliary reading acquisition device comprises a guide rail bracket, a first image acquisition system, a transmission system, a travel limit switch and a control unit, and a first camera of the first image acquisition system transmits acquired cross-hair images of a theodolite sighting part to an image display device; the transmission system comprises a connecting mechanism and a driving device; the travel limit switch limits the first camera; and the control unit controls the transmission system and the travel limit switch to work according to a preset rule. The auxiliary reading acquisition device of the transit calibrating device uses the first camera to replace human eyes to observe a view field, so that the labor intensity caused by manual observation can be reduced; the transmission system controls the first camera to move along with the theodolite, so that the automation degree is improved, the verification efficiency is improved, and the workload is reduced. The utility model also discloses an auxiliary reading collection system for among the theodolite calibrating installation.
Description
Technical Field
The utility model relates to a geology is surveyd the field, in particular to theodolite calibrating installation and an auxiliary reading collection system.
Background
The theodolite is a measuring instrument designed according to the angle measurement principle and used for measuring horizontal angles and vertical angles, can be used for building construction and installation of large-scale equipment, and can also be used for cadastral survey, topographic survey and engineering survey in the aspects of railways, highways, bridges, water conservancy, mines and the like. The theodolite calibration device is a metering instrument used for calibrating various levels, theodolites, electronic theodolites and total stations.
Current theodolite calibrating installation includes many tooth dividing table, three-dimensional elevating platform and sector device, many tooth dividing table installs on three-dimensional elevating platform, wait to examine the theodolite and place on many tooth dividing table, in the use, through the eyepiece in the theodolite portion of alighting, the relative position of two cross silks in the human eye observation field of view, through erecting a set adjusting nut, make two cross silks realize that the double-filament presss from both sides the monofilament in vertical direction, thereby realize accurate alighting, then read the reading of erecting a set on the theodolite display screen. According to the requirements of JJG100-2003 'electronic speed measuring total station', the verification time does not exceed one year according to the use condition, and the verification items of the theodolite have 12 items, namely 1, the rotating correctness of an sighting part, 2, the perpendicularity of a visual axis and a transverse axis of a telescope, 3, a sighting error C, 4, a transverse axis error i, 5, a vertical disc index difference, 6, a compensator compensation range, 7, a zero error of the compensator, 8, a compensation error of the compensator, 9, a focusing operation error of the telescope, 10, the coincidence degree of the visual axis and the vertical axis of an optical centralizer, 11, a standard deviation of a measuring horizontal direction, and 12, a standard deviation of a measuring angle of a measuring vertical angle. Therefore, a large amount of verification data need to be collected and read when the theodolite is verified, the field of view is observed through human eyes when the theodolite is calibrated in the prior art, reading errors are easily caused by manual reading, in a long time and a large amount of verification processes, verification personnel can be tired of eyes, the eyestrain needs to rest, the verification time can be prolonged, and the verification efficiency can be lower.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and provides a theodolite calibrating device that overcomes or at least partially solves the above problems.
A theodolite calibration device, comprising: workstation, illuminator and supplementary reading collection system, the workstation set up in illuminator with between the supplementary reading collection system, supplementary reading collection system includes rail brackets, a image acquisition system, transmission system, travel limit switch and the control unit, wherein:
the first image acquisition system comprises an arc-shaped guide rail, a first camera and an image display device, wherein the arc-shaped guide rail is fixed on the guide rail bracket, the first camera is slidably connected with the arc-shaped guide rail, and the first camera is in electrical signal connection with the image display device and transmits acquired cross-hair images on the theodolite sighting part to the image display device;
the transmission system comprises a connecting mechanism connected with the first camera and a driving device connected with the connecting mechanism;
the travel limit switch is arranged on the guide rail bracket and used for limiting the first camera;
and the control unit is in electrical signal connection with the transmission system and the travel limit switch and controls the transmission system and the travel limit switch to work according to a preset rule.
Furthermore, the guide rail support comprises a first support, a connecting shaft and a first sector, the connecting shaft is vertically connected with the first support, and the first sector is connected with the connecting shaft and used for fixing the arc-shaped guide rail.
Further, the guide rail bracket further comprises a lifting platform, the lifting platform comprises a base, a lifting shaft and a table board, the lifting shaft is connected with the base and the table board, and the table board is connected with the first bracket.
Furthermore, the control unit comprises a programmable logic controller, a switching power supply and a control switch, the programmable logic controller is in electrical signal connection with the switching power supply and the control switch, and the programmable logic controller is in electrical signal connection with the transmission system and the travel limit switch.
Furthermore, the auxiliary reading acquisition device also comprises a second image acquisition system which acquires the dial image of the theodolite display screen, identifies the data in the image and records the data.
Furthermore, the second image acquisition system comprises a second camera and a character recognition module, the second camera acquires an image of a dial of the theodolite display screen and transmits the acquired image to the character recognition module, and the character recognition module recognizes data in the image and records the data into the character recognition module.
Furthermore, the travel limit switches comprise photoelectric switches with the same number as the light-emitting devices, and the photoelectric switches are uniformly distributed along the arc-shaped guide rail.
Furthermore, the connecting mechanism comprises a screw rod and a sliding block connected with the screw rod, the screw rod is connected with the driving device, and the sliding block is connected with the first camera.
Further, the driving device adopts a motor or an air cylinder.
The utility model also discloses an auxiliary reading collection system for among the theodolite calibrating installation, including rail brackets, first image acquisition system, transmission system, travel limit switch and the control unit, wherein:
the first image acquisition system comprises an arc-shaped guide rail, a first camera and an image display device, wherein the arc-shaped guide rail is fixed on the guide rail bracket, the first camera is slidably connected with the arc-shaped guide rail, and the first camera is in electrical signal connection with the image display device and transmits acquired cross-hair images on the theodolite sighting part to the image display device;
the transmission system comprises a connecting mechanism connected with the first camera and a driving device connected with the connecting mechanism;
the travel limit switch is arranged on the guide rail bracket and used for limiting the first camera;
and the control unit is in electrical signal connection with the transmission system and the travel limit switch and controls the transmission system and the travel limit switch to work according to a preset rule.
Furthermore, the guide rail support comprises a first support, a connecting shaft and a first sector, the connecting shaft is vertically connected with the first support, and the first sector is connected with the connecting shaft and used for fixing the arc-shaped guide rail.
Further, the guide rail bracket further comprises a lifting platform, the lifting platform comprises a base, a lifting shaft and a table board, the lifting shaft is connected with the base and the table board, and the table board is connected with the first bracket.
Based on the technical scheme, the utility model discloses beneficial effect than prior art does:
the utility model discloses a theodolite calibrating installation, including workstation, illuminator and supplementary reading collection system, the workstation set up in illuminator with between the supplementary reading collection system, supplementary reading collection system includes rail brackets, first image acquisition system, transmission system, stroke limit switch and the control unit, and the cross silk image in the theodolite portion of aiming at is gathered to first image acquisition system, only needs to look at the image of gathering when aiming at and adjusts vertical disk adjusting nut for two cross silks realize that the double-end silk presss from both sides the monofilament in vertical direction, can realize accurate aiming at. An auxiliary reading acquisition device is additionally arranged on the transit calibrating device, and the first camera is used for replacing human eyes to observe a view field, so that the labor intensity caused by manual observation can be reduced; the transmission system is connected with the control unit through an electric signal, the first camera can be controlled to move together with the rotation of the theodolite, and the first camera, the theodolite sighting part and the sighting target light tube are ensured to be on the same straight line, so that a clear cross-hair image is accurately obtained, the automation degree of the calibrating device is improved, the calibrating efficiency is improved, and the workload of calibrating personnel is reduced.
Drawings
FIG. 1 is a schematic diagram of a theodolite verification device in some embodiments;
FIG. 2 is a schematic diagram of the structure of a control unit in some embodiments;
FIG. 3 is a flow chart of the control unit controlling operation of the motor in some embodiments;
fig. 4 is a schematic structural diagram of an auxiliary reading acquisition device in some embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1, a theodolite calibration device includes: the light-emitting device comprises a workbench 10, a light-emitting device 20 and an auxiliary reading acquisition device 30, wherein the workbench 10 is arranged between the light-emitting device 20 and the auxiliary reading acquisition device 30. Wherein:
the workbench 10 comprises a multi-tooth dividing table 11 and a three-dimensional lifting table 12, the multi-tooth dividing table 11 is placed on the three-dimensional lifting table 12, and the multi-tooth dividing table 11 bears a theodolite 13 to be detected.
The light-emitting device 20 comprises a second sector 21, a second support 22 and five light pipes 23, wherein the second sector 21 is connected with the second support 22, the five light pipes 23 are uniformly distributed on the second sector 21, and the intersection point of the optical axes of the five light pipes 23 is the intersection point of the sighting part 131 of the theodolite 13 and the transverse axis.
The auxiliary reading acquisition device 30 comprises a guide rail bracket 31, a first image acquisition system 32, a transmission system 33, a travel limit switch 34 and a control unit 35, wherein:
the first image acquisition system 32 comprises an arc-shaped guide rail 321, a first camera 322 and an image display device, wherein the arc-shaped guide rail 321 is fixed on the guide rail bracket 31, the first camera 322 is slidably connected with the arc-shaped guide rail 321, and the first camera 322 is in electrical signal connection with the image display device to transmit acquired cross-hair images on the sighting part 131 of the theodolite 13 to the image display device. In some embodiments, the first camera 322 can further include a first camera 322 body and a camera mount slidably coupled with the arcuate rail 321, the first camera 322 body coupled with the camera mount.
The transmission system 33 includes a connecting mechanism 332 connected to the first camera 322, and a driving device 331 connected to the connecting mechanism 332. In some embodiments, the connection mechanism 332 includes a lead screw 3321 and a slider 3322 connected to the lead screw 3321, the lead screw 3321 is connected to the driving device 331, and the slider 3322 is connected to the first camera 322. The driving device 331 may employ a motor or a cylinder.
And a travel limit switch 34 provided on the rail bracket 31 to limit the first camera 322. In some embodiments, the travel limit switches 34 include the same number of opto-electronic switches 341 as the light pipes 23, with the opto-electronic switches 341 being evenly arranged along the arcuate guide 321. In the present embodiment, five light pipes 23 are used by the light emitting device 20, so that five sets of the photoelectric switches 341 are used. Specifically, five groups of photoelectric switches 341 are uniformly distributed on a circle with a radius of 50cm and an intersection point of a horizontal center line of the central light pipe 23 of the five light pipes 23 and a vertical center line of the three-dimensional lifting table 12 as a circle center, and an included angle between two adjacent photoelectric switches 341 is 15 degrees 39' 7.8 ".
And the control unit 35 (not shown in the figure) is in electric signal connection with the transmission system 33 and the travel limit switch 34 and controls the operation of the transmission system 33 and the travel limit switch 34 according to a preset rule.
For the purpose of describing the working process of the theodolite calibrating device clearly, the following detailed description will be given by taking the detection item of "one-time vertical angle measurement standard deviation" as an example:
step one, placing the measured instrument on a multi-tooth dividing table 11 of a calibrating device, and connecting through a centering nut.
And step two, leveling the instrument to be measured by adjusting three base angle screws of the theodolite 13, and ensuring that bubbles of the gradienter in two directions of the instrument to be measured are centered and still centered after rotating for 180 degrees.
And step three, loosening the vertical disc locking nut, rotating the collimation part 131, roughly collimating the collimation target 1 (numbered as 1, 2, 3, 4 and 5 in sequence from top to bottom), and then locking the nut.
Step four, the first camera 322 directly displays the cross-hair image in the field of view on the large-size display screen, the human eyes only need to watch the display screen, and then the vertical disc adjusting nut is manually adjusted, so that the two cross-hairs realize double-thread monofilament clamping in the vertical direction, and accurate alignment is realized.
And step five, recording the reading of the vertical disc on the display screen of the theodolite 13 into a table.
And step six, repeating the fourth step and the fifth step in order to collect multiple groups of data.
And step seven, repeating the third step to the fifth step to finish the collimation reading of all five targets, namely, finishing one test loop, and finishing four test loops in total.
And step eight, processing the obtained data to obtain a standard deviation of the measured vertical angle, and determining whether the item meets the requirement according to the error range.
To acquire an image with the first camera 322 during the rotation of the sighting part 131 of the theodolite 13, the first camera 322 must be required to move together with the sighting part 131. The sighting part 131 of the theodolite 13 is operated manually, whereas in this patent the automatic movement of the first camera 322 is realized by means of the transmission system 33, since the sighting position of the sighting part 131 is known beforehand each time.
The control unit 35 (not shown in the drawings) controls the operation of the transmission system 33 and the travel limit switch 34 according to the following rules, and the following detailed description is made on the operation process check of the transmission system 33 and the travel limit switch 34, in this embodiment, the driving device 331 adopts a motor:
firstly, the motor receives a program instruction programmed by the control unit 35 to rotate;
secondly, the motor rotates to drive the screw 3321 to rotate;
thirdly, the upper sliding block 3322 of the screw rod 3321 makes linear motion along the screw rod 3321, and then moves downwards;
fourthly, the linear motion of the sliding block 3322 is transferred to the first camera 322 to move it downwards along the arc-shaped guide rail 321;
fifthly, when the first camera 322 moves to the photoelectric switch No. 5 341 (numbered 1, 2, 3, 4, 5 in sequence from top to bottom), the other photoelectric switches 341 are in the disabled state, only the photoelectric switch No. 5 341 is in the enabled state, and when the first camera 322 moves to the position of the photoelectric switch No. 5 341, the photoelectric switch 341 outputs a switch signal to the control unit 35 because the optical signal between the photoelectric switches 341 is blocked by the first camera 322.
Sixthly, when the switch signal given by the photoelectric switch 341 is detected, the control unit 35 stops the rotation of the motor, so that all the transmission systems 33 are stopped, the first camera 322 is stopped at the position of the photoelectric switch 341 No. 5, the cross wire in the sighting part 131 of the theodolite 13 can be obtained, and the cross wire image can be observed on the display screen.
Seventh, repeating the first to sixth steps, the first camera 322 can be automatically moved at five positions so as to follow the movement of the sighting part 131.
The utility model discloses a theodolite calibrating installation, comprises a workbench 10, illuminator 20 and supplementary reading collection system 30, workstation 10 sets up between illuminator 20 and supplementary reading collection system 30, supplementary reading collection system 30 includes rail brackets 31, first image acquisition system 32, transmission system 33, stroke limit switch 34 and the control unit 35, first image acquisition system 32 gathers the cross silk image on 13 portions 131 of alighting of theodolite, only need look at the image of gathering when alighting and adjust vertical scroll adjusting nut, make two cross silks realize the double-thread silk in vertical direction and press from both sides the monofilament, can realize accurate alighting. An auxiliary reading acquisition device is additionally arranged on the transit calibrating device, and the first camera 322 is used for replacing the human eye observation field of view, so that the labor intensity brought by manual observation can be reduced; the transmission system 33 is electrically connected with the control unit 35, and can control the first camera 322 to move together with the rotation of the theodolite 13, so that the first camera 322, the sighting part 131 of the theodolite 13 and the sighting target light pipe 23 are ensured to be on the same straight line, a clear cross-hair image is accurately obtained, the automation degree of the calibrating device is improved, the calibrating efficiency is improved, and the workload of calibrating personnel is reduced.
In some embodiments, the guide rail bracket 31 includes a first bracket 311, a connecting shaft 312, and a first sector 313, the connecting shaft 312 is perpendicularly connected to the first bracket 311, the first sector 313 is connected to the connecting shaft 312, and the arc-shaped guide rail 321 is fixed on the first sector 313. The guide rail bracket 31 further comprises a lifting platform 314, the lifting platform 314 comprises a base 3141, a lifting shaft 3142 and a table top 3143, the lifting shaft 3142 is connected with the base 3141 and the table top 3143, and the table top 3143 is connected with the first bracket 311. The lifting platform 314 can adjust the height of the first support 311, and before collimation, the connecting shaft 312, the transverse shaft of the theodolite 13 and the horizontal light tube 23 can be adjusted to be on the same horizontal line, so that the collimation accuracy is ensured.
In some embodiments, as shown in fig. 2, the control unit 35 includes a programmable logic controller 351, a switching power supply 352, a control switch 355, an indicator light 353 and a button 354, the programmable logic controller 351 is electrically connected to the switching power supply 352, the control switch 355, the indicator light 353 and the button 354, the switching power supply 352 supplies power to the programmable logic controller 351, the control switch 355 sends a switching signal to the programmable logic controller 351, a signal of the photoelectric switch 341 is transmitted to the programmable logic controller 351 and then displayed through the indicator light 353, and the programmable logic controller sends a motor control signal to the button 354. Specifically, the working flow of the control unit 35 controlling the motor is shown in fig. 3:
(1) judging whether the control switch 353 sends out a switch signal or not, and returning to the previous step if the control switch 353 does not send out the switch signal; if the switch signal is sent out, the indicator 353 which is correspondingly turned on or off is lightened;
(2) a photoelectric switch 341 is provided;
(3) the programmable controller sends motor control signals to the buttons 354;
(4) reading is carried out, whether the reading is finished or not is judged, and if the reading is not finished, the reading is carried out again; if the reading is complete, the next step is entered.
(5) Judging whether the verification is finished or not, and if the verification is finished, finishing the verification; and (4) if the verification is not finished, returning to the step (1) and repeating the steps (1) - (4).
The control unit 35 controls the motor to drive the first camera 322 to move, so that the first camera 322, the theodolite 13 collimation part 131 and the collimated target light pipe 23 are ensured to be on the same straight line, a clear cross-hair image is accurately obtained, the automation degree of the calibrating device is improved, the workload of calibrating personnel is reduced, the logical relation of the whole calibrating process is coordinated, and the whole calibrating process is orderly carried out.
In some embodiments, the auxiliary reading acquisition device 30 further comprises a second image acquisition system comprising a second camera and a character recognition module, the second camera acquiring an image of the scale of the display screen of the theodolite 13 and passing the acquired image to the character recognition module, the character recognition module recognizing the data in the image and entering the data into the character recognition module. The character recognition module may recognize data in the image using an existing feasible method.
The second image acquisition system directly acquires the images of the dial and identifies the data in the images, and then automatically records the data into the character recognition module, so that the process of manually recording the data in the fifth step in the verification process is replaced, and the labor intensity brought by manual recording and data recording is reduced.
Example two
As shown in fig. 4, an auxiliary reading acquisition device 30 for use in a theodolite calibration device includes a rail bracket 31, a first image acquisition system 32, a transmission system 33, a travel limit switch 34, and a control unit 35, wherein:
the first image acquisition system 32 comprises an arc-shaped guide rail 321, a first camera 322 and an image display device, wherein the arc-shaped guide rail 321 is fixed on the guide rail bracket 31, the first camera 322 is slidably connected with the arc-shaped guide rail 321, and the first camera 322 is in electrical signal connection with the image display device to transmit acquired cross-hair images on the sighting part 131 of the theodolite 13 to the image display device.
The transmission system 33 includes a connecting mechanism 332 connected to the first camera 322, and a driving device 331 connected to the connecting mechanism 332.
And a travel limit switch 34 provided on the rail bracket 31 to limit the first camera 322.
And the control unit 35 (not shown in the figure) is in electric signal connection with the transmission system 33 and the travel limit switch 34 and controls the operation of the transmission system 33 and the travel limit switch 34 according to a preset rule.
This supplementary reading collection system 30 includes rail brackets 31, first image acquisition system 32, transmission system 33, travel limit switch 34 and the control unit 35, and the cross silk image that first image acquisition system 32 gathered on theodolite 13 portion 131 of alighting only need look at the image of gathering when alighting and adjust vertical disk adjusting nut for two cross silks realize that the double-thread clamp monofilament in vertical direction, can realize accurate alighting. According to the auxiliary reading acquisition device, the first camera 322 is used for replacing human eyes to observe a view field, so that the labor intensity caused by manual observation can be reduced; the transmission system 33 is electrically connected with the control unit 35, and can control the first camera 322 to move together with the rotation of the theodolite 13, so that the first camera 322, the sighting part 131 of the theodolite 13 and the sighting target light pipe 23 are ensured to be on the same straight line, a clear cross-hair image is accurately obtained, the automation degree of the calibrating device is improved, the calibrating efficiency is improved, and the workload of calibrating personnel is reduced.
In some embodiments, the guide rail bracket 31 includes a first bracket 311, a connecting shaft 312, and a first sector 313, the connecting shaft 312 is perpendicularly connected to the first bracket 311, the first sector 313 is connected to the connecting shaft 312, and the first sector 313 has an arc-shaped guide rail 321 fixed thereon. The guide rail bracket 31 further comprises a lifting platform 314, the lifting platform 314 comprises a base 3141, a lifting shaft 3142 and a table top 3143, the lifting shaft 3142 is connected with the base 3141 and the table top 3143, and the table top 3143 is connected with the first bracket 311. The lifting platform 314 can adjust the height of the first support 311, and before collimation, the connecting shaft 312, the transverse shaft of the theodolite 13 and the horizontal light tube 23 can be adjusted to be on the same horizontal line, so that the collimation accuracy is ensured.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, the invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
Claims (10)
1. A theodolite calibrating device, characterized by comprising: workstation, illuminator and supplementary reading collection system, the workstation set up in illuminator with between the supplementary reading collection system, supplementary reading collection system includes rail brackets, a image acquisition system, transmission system, travel limit switch and the control unit, wherein:
the first image acquisition system comprises an arc-shaped guide rail, a first camera and an image display device, wherein the arc-shaped guide rail is fixed on the guide rail bracket, the first camera is slidably connected with the arc-shaped guide rail, and the first camera is in electrical signal connection with the image display device and transmits acquired cross-hair images on the theodolite sighting part to the image display device;
the transmission system comprises a connecting mechanism connected with the first camera and a driving device connected with the connecting mechanism;
the travel limit switch is arranged on the guide rail bracket and used for limiting the first camera;
and the control unit is in electrical signal connection with the transmission system and the travel limit switch and controls the transmission system and the travel limit switch to work according to a preset rule.
2. The theodolite calibration device as claimed in claim 1, wherein the rail bracket comprises a first bracket, a connecting shaft and a first sector, the connecting shaft is vertically connected with the first bracket, and the first sector is connected with the connecting shaft for fixing the arc-shaped rail.
3. The theodolite calibration device as set forth in claim 2, wherein the rail brackets further comprise a lifting table, the lifting table comprising a base, a lifting shaft and a table top, the lifting shaft connecting the base and the table top, the table top connecting with the first bracket.
4. The theodolite verification device as claimed in claim 1, further comprising a second image acquisition system for acquiring images of the scales of the theodolite display screen, identifying data in the images and recording them.
5. The theodolite verification device as claimed in claim 4, wherein the second image acquisition system comprises a second camera and a character recognition module, the second camera acquiring an image of a scale of a theodolite display screen and transferring the acquired image to the character recognition module, the character recognition module recognizing data in the image and entering the data into the character recognition module.
6. The theodolite calibration device as set forth in claim 1, wherein the travel limit switches comprise the same number of photoelectric switches as the light emitting devices, the photoelectric switches being evenly arranged along the arc-shaped guide rail.
7. The theodolite calibration device as set forth in claim 1, wherein said connection mechanism comprises a lead screw connected to said driving device and a slider connected to said first camera.
8. The utility model provides an auxiliary reading collection system for among the theodolite calibrating device, its characterized in that includes rail brackets, first image acquisition system, transmission system, travel limit switch and the control unit, wherein:
the first image acquisition system comprises an arc-shaped guide rail, a first camera and an image display device, wherein the arc-shaped guide rail is fixed on the guide rail bracket, the first camera is slidably connected with the arc-shaped guide rail, and the first camera is in electrical signal connection with the image display device and transmits acquired cross-hair images on the theodolite sighting part to the image display device;
the transmission system comprises a connecting mechanism connected with the first camera and a driving device connected with the connecting mechanism;
the travel limit switch is arranged on the guide rail bracket and used for limiting the first camera;
and the control unit is in electrical signal connection with the transmission system and the travel limit switch and controls the transmission system and the travel limit switch to work according to a preset rule.
9. The auxiliary reading acquisition device of claim 8, wherein the guide rail bracket comprises a first bracket, a connecting shaft and a first sector, the connecting shaft is vertically connected with the first bracket, and the first sector is connected with the connecting shaft and used for fixing the arc-shaped guide rail.
10. The auxiliary reading acquisition device of claim 9 wherein the rail mount further comprises a lift table, the lift table comprising a base, a lift shaft, and a table top, the lift shaft connecting the base and the table top, the table top connecting with the first mount.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440495.4U CN210741450U (en) | 2019-08-30 | 2019-08-30 | Theodolite calibrating device and auxiliary reading acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921440495.4U CN210741450U (en) | 2019-08-30 | 2019-08-30 | Theodolite calibrating device and auxiliary reading acquisition device |
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| CN210741450U true CN210741450U (en) | 2020-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776557A (en) * | 2021-08-09 | 2021-12-10 | 苏州一光仪器有限公司 | Test system for horizontal one-test-return precision of theodolite |
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2019
- 2019-08-30 CN CN201921440495.4U patent/CN210741450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776557A (en) * | 2021-08-09 | 2021-12-10 | 苏州一光仪器有限公司 | Test system for horizontal one-test-return precision of theodolite |
| CN113776557B (en) * | 2021-08-09 | 2024-04-05 | 苏州一光仪器有限公司 | Theodolite horizontal direction one-measuring-back precision testing system |
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