CN117928604A - Device for detecting zero difference of image-combining type pair of leveling staff - Google Patents
Device for detecting zero difference of image-combining type pair of leveling staff Download PDFInfo
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- CN117928604A CN117928604A CN202410223529.3A CN202410223529A CN117928604A CN 117928604 A CN117928604 A CN 117928604A CN 202410223529 A CN202410223529 A CN 202410223529A CN 117928604 A CN117928604 A CN 117928604A
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 15
- 238000004513 sizing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000003384 imaging method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 241000227287 Elliottia pyroliflora Species 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
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Abstract
The present invention provides a difference detection device of zero point difference of a pair of image-combining leveling staff, which comprises: a marble base and an adjusting sizing block; the middle spacer is arranged on the longitudinal center line of the marble Dan Ji, a lifting sleeve is arranged in the top of the marble base, a lifting shaft is connected with the top of the lifting sleeve in a threaded manner, and a leveling staff is arranged on one side of the lifting shaft. According to the device for detecting the difference between zero point differences of the image-combined type pair of leveling staff, the gear and rack are meshed to serve as force transmission media, the linear sliding rail is in contact with the special-shaped surface of the sliding block, the gear and rack in the moving device are used for transmitting power and guiding the guide rail reference bar to generate relative movement, the lifting sleeve and the lifting shaft are used for spirally driving, the bar code division function of the pair of leveling staff at different positions in the horizontal direction is achieved, and the device is suitable for a surveying instrument detection technology and has the advantages of being high in expansibility, high in precision, simple to operate and high in efficiency.
Description
Technical Field
The invention relates to the technical field of surveying and mapping instruments, in particular to a device for detecting zero difference of a pair of leveling staff in an image combination mode.
Background
Under the rapid development of national economy, various technical indexes in industrial production are required to carry out high-precision and high-efficiency positioning measurement, and a modern high-precision measurement and detection technology is adjustable, strong in adaptability and simple and convenient to operate.
The leveling staff is a precise instrument in a surveying instrument, wherein the detection of the zero point difference of the leveling staff is an important factor affecting the precision of the leveling staff, the measurement result is greatly affected, at present, the defects of complex operation, low detection efficiency and the like in the aspect of detecting the zero point difference of the leveling staff exist in China, and the device is based on the installation device of the detection device of the zero point difference of the imaging leveling staff with the Chinese patent publication number CN111578967B, and aims to solve the problems of low detection efficiency, low expansibility and high cost of the current leveling staff.
Therefore, it is necessary to provide a device for detecting the zero point difference of a pair of leveling staff in a combined image mode.
Disclosure of Invention
The invention provides a difference detection device of zero point differences of a pair of image-combined leveling staff, which solves the problems of low detection efficiency, low expansibility and high cost of the leveling staff.
In order to solve the above technical problems, the present invention provides a device for detecting a difference between zero-point differences of a pair of leveling staff in an imaging manner, comprising:
A marble base and an adjusting sizing block;
The middle spacer is arranged on the longitudinal center line of the marble Dan Ji, a lifting sleeve is arranged in the top of the marble base, a lifting shaft is connected with the top of the lifting sleeve in a threaded manner, a leveling staff is erected on one side of the lifting shaft, a pressing seat is arranged on the top of the marble base, a pressing hand wheel is connected with the inner thread of the pressing seat in a threaded manner, a pressing block is arranged at one end of the pressing hand wheel, cotter pins are arranged in the pressing block and the pressing hand wheel respectively, a pressing block pad is arranged on one side of the pressing block, and the pressing block pad is arranged on one side of the leveling staff;
a zero base provided at an end of the leveling staff;
The guide rail standard strip is arranged at the top of the marble base, a linear slide rail is arranged at the top of the guide rail standard strip, third screws are arranged in the linear slide rail and the guide rail standard strip, a sliding block is slidably connected to the outer side face of the linear slide rail, a microscope moving frame is arranged at the top of the sliding block, a gear shaft is arranged on one side of the microscope moving frame, a bevel gear is arranged on the outer side face of the gear shaft, a bevel gear strip is meshed with the bottom of the bevel gear, a bevel rack seat is arranged on one side of the bevel gear strip, an eleventh screw is arranged in the bevel rack seat, one end of the eleventh screw is in threaded connection with one side of the bevel rack seat, a flat key is arranged on the outer side face of the gear shaft, the flat key is arranged in the inner side of the bevel gear, a spacer is arranged at one end of the outer side face of the gear shaft, a moving hand wheel and the inner side of the spacer are respectively provided with a second cylindrical pin, an elastic retainer is arranged on the outer side face of the other end of the gear shaft, an elastic retainer ring is arranged on one side of the copper liner;
The right angle prism, right angle prism set up in the top of microscope movable frame, diameter prism's lateral surface is provided with cylindrical prism seat, one side of cylindrical prism seat is provided with the right angle board, the top of right angle board is provided with the main mirror seat, the medial surface of main mirror seat is provided with outer fixed cylinder, the inside of outer fixed cylinder is provided with telecentric lens, telecentric lens's top is provided with the CCD camera.
Preferably, the inside of middle spacer is provided with nineteenth screw, the bottom threaded connection of nineteenth screw in the top of marble base, the inside of compressing tightly seat bottom is provided with the eighteenth screw, the bottom threaded connection of eighteenth screw in the top of marble base, the inside of zero base bottom is provided with first cylindric lock and first screw respectively, the bottom threaded connection of first screw in the top of marble base, the bottom of first cylindric lock set up in the inside at marble base top, the inside of guide rail reference bar is provided with thirteenth screw and fourteenth screw, thirteenth screw with the bottom of fourteenth screw all threaded connection in the top of marble base, one side of fourteenth screw is provided with the guide rail compression leg, the top threaded connection of marble base has fifteenth screw.
Preferably, the inside threaded connection of zero base has the screw, the one end of screw is provided with the reform steel ball, the reform steel ball set up in the tip of levelling rod, the inside threaded connection at zero base top has the second screw, the second screw bottom set up in the top of screw.
Preferably, a microscope moving frame base plate is arranged between the sliding block and the microscope moving frame, fifth screws are arranged in the microscope moving frame base plate and the sliding block, and fourth screws are arranged in the limiting microscope moving frame and the microscope moving frame base plate.
Preferably, the inside at main lens holder both ends all is provided with eighth screw, eighth screw threaded connection in the top of microscope removes the frame, the both ends of main lens holder all fixed mounting has the light source frame riser, one side fixed mounting of light source frame riser has the light source frame, the inside of light source frame is provided with the light source, the inside threaded connection of light source frame one side has the sixth screw, the inside of light source frame is provided with the seventh screw, the one end threaded connection of seventh screw in the inside of light source frame riser one side, the inside threaded connection of main lens holder one side has the ninth screw, one side of outer fixed cylinder is provided with focusing nut, the inside threaded connection of main lens holder opposite side has the tenth screw.
Preferably, a twelfth screw is arranged in the bevel gear seat, the bottom of the twelfth screw is in threaded connection with the top of the marble base, a sixteenth screw is in threaded connection with the inside of the microscope moving frame, a seventeenth screw is in threaded connection with the inside of the microscope moving frame, and a spring washer is arranged in the microscope moving frame.
Preferably, the adjusting sizing block is arranged around the bottom of the marble base.
Preferably, a fixing plate is fixedly arranged on one side of the light source vertical plate, a rotating plate is arranged on one side of the fixing plate, and a light source frame is fixedly arranged on one side of the rotating plate.
Preferably, the rotating plate and the fixing plate are both provided with screws, the outer side surfaces of the screws are connected with nuts in a threaded mode, and the nuts are arranged on one side of the fixing plate.
Preferably, a rubber sheet is arranged between the rotating plate and the fixing plate, and the rubber sheet is arranged on the outer side surface of the screw.
Compared with the related art, the device for detecting the zero difference of the image-combined type one-pair leveling staff has the following beneficial effects:
The invention provides a difference detection device of zero point difference of an image-combining type pair of leveling staff, which takes meshing of a gear and a rack as a force transmission medium, utilizes the special-shaped surface contact of a linear sliding rail and a sliding block, and generates relative movement through the transmission power of the gear and the rack in a moving device and the guiding of a guide rail reference bar, and realizes the bar code division function of the pair of leveling staff at different positions in the horizontal direction through the spiral transmission of a lifting sleeve and a lifting shaft.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a device for detecting zero difference between an image pair of leveling staff;
FIG. 2 is a schematic top view of the structure shown in FIG. 1;
FIG. 3 is a schematic view of the left side structure of FIG. 1;
FIG. 4 is a schematic view of the image-capturing rectangular prism mounting plate shown in FIG. 3;
FIG. 5 is a schematic view of the middle spacer shown in FIG. 3;
FIG. 6 is a right side schematic view of the structure shown in FIG. 1;
FIG. 7 is a schematic view of the pinch hand wheel of FIG. 6;
FIG. 8 is a schematic view of the structure of the movable mount pad of the microscope shown in FIG. 3;
FIG. 9 is a schematic view of a second screw structure shown in FIG. 3;
FIG. 10 is a schematic diagram of a second embodiment of a device for detecting zero difference between an image pair of leveling staff;
fig. 11 is a schematic structural diagram of a third embodiment of a device for detecting zero-point difference between an image-combining pair of leveling staff according to the present invention.
Reference numerals in the drawings: 1. the first cylindrical pin, 3, the first screw, 4, the zero point base, 5, the screw, 6, the second screw, 7, the modified steel ball, 8, the leveling rod, 9, the sizing block, 10, the third screw, 11, the linear slide rail, 12, the slide block, 13, the microscope moving frame pad, 14, the fourth screw, 15, the fifth screw, 16, the microscope moving frame, 17, the sixth screw, 18, the light source, 19, the light source frame, 20, the seventh screw, 21, the light source frame riser, 22, the eighth screw, 23, the main lens holder, 24, the ninth screw, 25, the CCD camera, 26, the telecentric lens, 27, the outer fixed cylinder, 28, the focusing nut, 29, the tenth screw, 30, the right angle prism, 31, the copper bush, 32, the circlip, 33, the helical gear, 34, the flat key, 35, spacer bush, 36, second cylindrical pin, 37, moving hand wheel, 38, gear shaft, 39, eleventh screw, 40, diagonal rack, 41, twelfth screw, 42, diagonal rack seat, 43, guide rail reference bar, 44, thirteenth screw, 45, guide rail pressing column, 46, fourteenth screw, 47, fifteenth screw, 48, cylindrical prism seat, 49, rectangular plate, 50, sixteenth screw, 51, seventeenth screw, 52, spring washer, 53, pressing block pad, 54, pressing block, 55, cotter pin, 56, pressing seat, 57, pressing hand wheel, 58, lifting shaft, 59, eighteenth screw, 60, middle frame, 61, lifting sleeve, 62, nineteenth screw, 71, rotating plate, 72, screw, 73, nut, 74, fixing plate, 8, rubber sheet.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a difference detecting device for zero-point difference of an image-combining pair of leveling staff according to the present invention; FIG. 2 is a schematic top view of the structure shown in FIG. 1; FIG. 3 is a schematic view of the left side structure of FIG. 1; FIG. 4 is a schematic view of the image-capturing rectangular prism mounting plate shown in FIG. 3;
FIG. 5 is a schematic view of the middle spacer shown in FIG. 3; FIG. 6 is a right side schematic view of the structure shown in FIG. 1;
FIG. 7 is a schematic view of the pinch hand wheel of FIG. 6; FIG. 8 is a schematic view of the structure of the movable mount pad of the microscope shown in FIG. 3; fig. 9 is a schematic view of the second screw structure shown in fig. 3. A difference detecting device for zero point difference of a pair of image-combined leveling staff, comprising: a marble base 1 and an adjusting sizing block 9;
The middle spacing frame 60, the middle spacing frame 60 set up in marble base 1 longitudinal center line, the inside at marble base 1 top is provided with lift cover 61, the top threaded connection of lift cover 61 has lift axle 58, one side of lift axle 58 erects levelling rod 8, the top of marble base 1 is provided with compressing seat 56, compressing seat 56's inside threaded connection has compressing hand wheel 57, compressing hand wheel 57's one end is provided with compressing block 54, compressing block 54 and compressing hand wheel 57's inside all is provided with cotter pin 55 compressing block 54's one side is provided with compressing block pad 53, compressing block 53 sets up in one side of levelling rod 8;
a zero base 4, the zero base 4 being provided at an end of the leveling staff 8;
The guide rail reference bar 43, the guide rail reference bar 43 is arranged at the top of the marble base 1, the linear slide rail 11 is arranged at the top of the guide rail reference bar 43, the linear slide rail 11 and the guide rail reference bar 43 are both internally provided with the third screw 10, the outer side surface of the linear slide rail 11 is slidably connected with the slide block 12, the top of the slide block 12 is provided with the microscope moving frame 16, one side of the microscope moving frame 16 is provided with the gear shaft 38, the outer side surface of the gear shaft 38 is provided with the helical gear 33, the bottom of the helical gear 33 is meshed with the helical gear bar 40, one side of the helical gear bar 40 is provided with the helical rack seat 42, the inside of the helical rack 40 is provided with the eleventh screw 39, one end of the eleventh screw 39 is in threaded connection with one side of the helical rack seat 42, the outer side surface of the gear shaft 38 is provided with the flat key 34, the outer side surface of the gear shaft 38 is provided with the spacer 35, one end of the spacer 35 is provided with the moving hand wheel 37, one side of the copper bush 31 is provided with the second round pin 32, and the other end of the copper bush 32 is provided with the round pin 32;
The right angle prism 30, right angle prism 30 set up in the top of microscope mobile frame 16, the lateral surface of diameter prism 30 is provided with cylindrical prism seat 48, one side of cylindrical prism seat 48 is provided with right angle plate 49, the top of right angle plate 49 is provided with main lens seat 23, the medial surface of main lens seat 23 is provided with outer fixed section of thick bamboo 27, the inside of outer fixed section of thick bamboo 27 is provided with telecentric lens 26, the top of telecentric lens 26 is provided with CCD camera 25.
The inside of middle spacer 60 is provided with nineteenth screw 62, the bottom threaded connection of nineteenth screw 62 in the top of marble base 1, the inside of compressing tightly seat 56 bottom is provided with eighteenth screw 59, the bottom threaded connection of eighteenth screw 59 in the top of marble base 1, the inside of zero base 4 bottom is provided with first cylindric lock 2 and first screw 3 respectively, the bottom threaded connection of first screw 3 in the top of marble base 1, the bottom of first cylindric lock 2 set up in the inside at marble base 1 top, the inside of guide rail reference bar 43 is provided with thirteenth screw 44 and fourteenth screw 46, thirteenth screw 44 and the bottom of fourteenth screw 46 equal threaded connection in the top of marble base 1, one side of fourteenth screw 46 is provided with guide rail pressure post 45, the top threaded connection of marble base 1 has fifteenth screw 47.
The inside threaded connection of zero point base 4 has screw 5, the one end of screw 5 is provided with reform steel ball 7, reform steel ball 7 set up in the tip of levelling rod 8, the inside threaded connection at zero point base 4 top has second screw 6, second screw 6 bottom set up in the top of screw 5.
The middle of the sliding block 12 and the microscope moving frame 16 is provided with a microscope moving frame base plate 13, the microscope moving frame base plate 13 and the inside of the sliding block 12 are respectively provided with a fifth screw 15, and the inside of the limiting mirror moving frame 16 and the inside of the microscope moving frame base plate 13 are respectively provided with a fourth screw 14.
The inside at main microscope stand 23 both ends all is provided with eighth screw 22, eighth screw 22 threaded connection in the top of microscope removes frame 16, the both ends of main microscope stand 23 all fixed mounting has light source frame riser 21, one side fixed mounting of light source frame riser 21 has light source frame 19, the inside of light source frame 19 is provided with light source 18, the inside threaded connection of light source frame 19 one side has sixth screw 17, the inside of light source frame 19 is provided with seventh screw 20, the one end threaded connection of seventh screw 20 in the inside of light source frame riser 21 one side, the inside threaded connection of main microscope stand 23 one side has ninth screw 24, one side of outer fixed cylinder 27 is provided with focusing nut 28, the inside threaded connection of main microscope stand 23 opposite side has tenth screw 29.
The inside of helical gear seat 42 is provided with twelfth screw 41, the bottom screw thread of twelfth screw 41 is connected in the top of marble base 1, the inside screw thread of microscope mobile frame 16 is connected with sixteenth screw 50, the inside screw thread of microscope mobile frame 16 is connected with seventeenth screw 51, the inside of microscope mobile frame 16 is provided with spring washer 52.
The adjusting sizing block 9 is arranged around the bottom of the marble base 1.
The marble base 1 is used for placing other components, and the adjusting sizing block 9 is used for adjusting the marble base to be horizontal;
Two rows of identical leveling staff positioning components and zero base components are horizontally arranged on the marble base 1, each row comprises three groups of leveling staff positioning components and one group of zero base components, three middle partition frames 60 with identical thickness are arranged on the symmetry line of the two rows of components, namely the longitudinal central line of the marble base 1, and each row of components is used for positioning one staff of a pair of staff; the marble base 1 in each row of three groups of leveling staff positioning assembly lifting assemblies is embedded into the lifting sleeve 61, the lifting sleeve 61 is in threaded connection with the lifting shaft 58, the back of the bar code leveling staff 8 is arranged on the three groups of lifting shafts 58, and the two rows of bar code dividing surfaces of one pair of staff are clearly imaged in the imaging microscope simultaneously by rotating the lifting shafts 58; two sets of zero base components are respectively positioned at the end parts of each row of leveling staff 8 placement components, and the zero base is fixed and positioned on the marble base 1 by using screws and cylindrical pins. The adjusting screw with the steel ball 7 embedded at the end part is used for adjusting the zero point coplanarity of a pair of leveling staff 8 and is in point contact with the bottom surface of the leveling staff 8, so that the influence of the unevenness of the bottom surface of the leveling staff 8 on the zero point positioning is avoided, and the adjusting screw is fastened by a set screw after being adjusted; three middle spacers 60 with the same thickness are fixed on the longitudinal center line of the marble base 1 by screws, are 1100mm apart, and are guaranteed to be coplanar with the same side during installation, and serve as a side placement reference of a pair of leveling staff bodies; 3 groups of pressing block pads 53 and 54 of the pressing device are arranged in the standard scale arranging assembly mechanism for each drainage, the pressing block pads 53 are used for clamping the scale body after scale arrangement adjustment, the pressing seat 56 is connected with the marble base 1 through screws, the pressing hand wheel 57 is connected with the pressing block 54 and is connected with the pressing seat 56 through threads, and the bar code leveling staff 8 is installed by rotating the pressing hand wheel 57 to adjust the pressing block 54; the microscope moving frame base plate 13 and the sliding block 12 are connected through bolts, the sliding block 12 is in surface contact with the linear sliding rail 11, the linear sliding rail 11 and the sliding block 12 are respectively arranged on the outer sides of the two rows of the leveling rod arranging components, one sliding rail 12 is a reference guide rail, one sliding rail 12 is an auxiliary guide rail, the reference guide rail is fixed on the marble base 1 through screws after being close to the guide rail reference bar 43, the lateral positioning surface of the guide rail reference bar 43 is adjusted to be parallel to the middle spacing frame 60 in advance, the auxiliary guide rail is fixed on the marble base 1 through screws after being adjusted to be parallel to the reference guide rail, and the horizontal movement of the linear sliding rail device is realized through the power transmitted by the moving component;
The lifting mechanism is adjusted to a proper position, the imaging microscope detection assembly is arranged on the linear slide rail assembly, the bar code leveling staff 8 is fixedly arranged by adjusting the pressing mechanism arranged on the marble base 1, then the bevel gear 33 arranged on the gear shaft 38 is used for meshing and transmitting power on the bevel rack 40 fixed on the bevel rack seat 42 by rotating the mobile hand wheel 37, then the special-shaped sliding block 12 and the special-shaped sliding rail 11 in the linear slide rail mechanism generate relative displacement, so that the detection device for the difference between zero points of the imaging leveling staff realizes horizontal movement, and bar code division at different positions in the horizontal direction is completed;
In order to avoid the problem that the bar code leveling staff 8 is deformed due to the fact that the compression block 54 in the compression mechanism directly acts on the bar code leveling staff 8, a compression block pad 53 made of polytetrafluoroethylene is arranged between the compression block 54 and the bar code leveling staff 8, so that accurate positioning of a pair of bar code leveling staff is realized; the type and the material of the pressing cushion block 39 are not limited, preferably the hardness of the material of the pressing block matched with the pressing block is lower than that of the bar code leveling staff, and when the bar code leveling staff 8 is used, the pressing block 54 acts on the pressing block cushion 53 to press or loosen the bar code leveling staff 8 by rotating the pressing hand wheel 57 arranged on the pressing mechanism, so that the pressing block 54 is prevented from directly acting on the leveling staff 8;
To solve the problem of movement, the helical gear 33 is engaged with the helical rack 40 to convert the rotational movement of the moving hand wheel 37 into horizontal rectilinear movement; the type of the transmission part is not limited, and it is preferable that the helical gear 33 is engaged with the helical rack 40; when in use, the gear shaft 38 arranged at one side of the microscope moving frame 16 in the image-combining microscope assembly is meshed with the bevel gear 40 fixedly connected with the bevel gear seat 42 by utilizing the bevel gear 33 on the gear shaft 38, so as to realize bar code division of a pair of leveling staff of the image-combining microscope assembly at different horizontal positions;
To solve the problem of stable horizontal movement and guiding, a group of guide rail reference bars 43 are fixedly arranged at two sides of the linear slide rail 11 by screws; the specific type of the guide part is not limited, and is preferably a guide rail reference bar; in use, the linear slide device produces a reliable relative displacement along the rail reference bar 43 by rotating the moving hand wheel 37 of the moving device and transmitting power through the rack and pinion engagement.
The invention provides a difference detection device of zero point difference of a pair of image-combining leveling staff, which has the following working principle:
One side of the square is abutted against the middle spacing frame 60, the image of the other side of the square is observed in the image combining microscope, the image combining microscope is rotated around the axis of the image combining microscope to enable the other side of the square to be clearly imaged, and the image combining microscope is fixed; rotating the CCD camera 25 to enable the index line arranged on the CCD camera 25 to be parallel to the line image of the edge of the square, and fixing the CCD camera 25; the same leveling staff 8 is respectively erected on each row of components, the side surface of the staff is abutted against the middle spacing frame 60, the bottom surface of the leveling staff 8 is abutted against the zero base 4 to adjust the reform steel ball 7 at the front end of the second screw 6, staff bar code images are respectively observed from an imaging microscope, the second screws 6 for adjusting the two groups of zero bases 4 are respectively rotated to enable the reform steel ball 7 to micro-move against the bottom surface of the leveling staff 8, when the leveling staff 8 is adjusted to be set twice, the edge image of the bar code at the same height coincides with the index line arranged on the CCD camera 25 of the imaging microscope or is the same distance from the index line, the zero point coplanarity of the two groups of zero base 4 components is indicated to be perpendicular to the longitudinal axis of the staff, and then the adjusting screw set screw is locked; adjusting a lifting device and a pressing mechanism which are arranged on the marble base 1, and enabling two rows of bar code dividing surfaces of a pair of scales to be clearly imaged in an imaging microscope simultaneously by rotating a lifting shaft 58; the adjusting and moving mechanism is meshed with the bevel gear 40 by utilizing the bevel gear 33, and the moving device and the linear slide rail device are enabled to generate relative movement by adjusting and moving the hand wheel 37, so that bar code division aiming at different positions of a pair of levelling staff is completed.
Compared with the related art, the device for detecting the zero difference of the image-combined type one-pair leveling staff has the following beneficial effects:
The bar code division function of a pair of levelling staff at different positions in the horizontal direction is realized through the spiral transmission of the lifting sleeve and the lifting shaft 58 by using the meshing of the gear and the rack as a force transmission medium and utilizing the special-shaped surface contact of the linear slide rail 11 and the slide block 12 and the relative movement generated by the transmission power of the gear and the rack in the moving device and the guiding of the guide rail datum bar, so that the device is suitable for the detection technology of surveying and mapping instruments and has the advantages of strong expansibility, high precision, simplicity in operation and high efficiency.
Second embodiment
Referring to fig. 10 in combination, another device for detecting the difference between zero-point differences of an image-combined pair of leveling staff is provided according to a first embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference detecting device for zero point difference of an image-combining type one-pair leveling staff provided by the second embodiment of the present application is different in that a fixed plate 74 is fixedly installed on one side of the light source vertical plate 21, a rotating plate 71 is arranged on one side of the fixed plate 74, and a light source frame 19 is fixedly installed on one side of the rotating plate 71.
The inside of rotor plate 71 with fixed plate 74 all is provided with screw 72, the lateral surface threaded connection of screw 72 has nut 73, nut 73 set up in one side of fixed plate 74.
The invention provides a difference detection device of zero point difference of a pair of image-combining leveling staff, which has the following working principle:
When the light source frame 19 is used, when a user needs to adjust the angle of the light source frame 19, the user can firstly loosen the nut 73 to enable the nut 73 to be far away from one side of the fixing plate 74, then the user rotates the light source frame 19 so as to drive the rotating plate 71 to rotate, after the light source frame is rotated to a proper angle, the user rotates the nut 73 again to enable one side of the rotating plate 71 and one side of the fixing plate 74 to be tightly attached, and therefore the light source frame 19 is limited.
Compared with the related art, the device for detecting the zero difference of the image-combined type one-pair leveling staff has the following beneficial effects:
The rotation plate 71, the screw 72, the nut 73, the fixing plate 74 and the like are engaged with each other, and when the light source frame 19 is used, the user rotates the nut 73 to separate the nut 73 from the fixing plate 74, so that the angle of the light source frame 19 can be adjusted.
Third embodiment
Referring to fig. 11 in combination, another device for detecting the difference between zero-point differences of an image-combined pair of leveling staff according to a first embodiment of the present application is provided. The third embodiment is merely a preferred manner of the first embodiment, and implementation of the third embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference detecting device for zero point difference of an image-combining type one-pair leveling staff provided by the third embodiment of the present application is different in that a rubber sheet 8 is disposed between the rotating plate 71 and the fixing plate 74, and the rubber sheet 8 is disposed on the outer side surface of the screw 72.
The invention provides a difference detection device of zero point difference of a pair of image-combining leveling staff, which has the following working principle:
When in use, a user rotates the nut 73, so that the nut 73 performs stability of limiting the position between the screw connection plate 71 and the fixing plate 74 on the outer side surface of the screw 72.
Compared with the related art, the device for detecting the zero difference of the image-combined type one-pair leveling staff has the following beneficial effects:
The rubber pad 8 is arranged between the fixed plate 74 and the rotating plate 71, so that the limiting stability between the rotating plate 71 and the fixed plate 74 can be improved when the device is used.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. A difference detecting device for zero point difference of a pair of leveling staff in an image combination, comprising:
A marble base and an adjusting sizing block;
The middle spacer is arranged on the longitudinal center line of the marble Dan Ji, a lifting sleeve is arranged in the top of the marble base, a lifting shaft is connected with the top of the lifting sleeve in a threaded manner, a leveling staff is erected on one side of the lifting shaft, a pressing seat is arranged on the top of the marble base, a pressing hand wheel is connected with the inner thread of the pressing seat in a threaded manner, a pressing block is arranged at one end of the pressing hand wheel, cotter pins are arranged in the pressing block and the pressing hand wheel respectively, a pressing block pad is arranged on one side of the pressing block, and the pressing block pad is arranged on one side of the leveling staff;
a zero base provided at an end of the leveling staff;
The guide rail standard strip is arranged at the top of the marble base, a linear slide rail is arranged at the top of the guide rail standard strip, third screws are arranged in the linear slide rail and the guide rail standard strip, a sliding block is slidably connected to the outer side face of the linear slide rail, a microscope moving frame is arranged at the top of the sliding block, a gear shaft is arranged on one side of the microscope moving frame, a bevel gear is arranged on the outer side face of the gear shaft, a bevel gear strip is meshed with the bottom of the bevel gear, a bevel rack seat is arranged on one side of the bevel gear strip, an eleventh screw is arranged in the bevel rack seat, one end of the eleventh screw is in threaded connection with one side of the bevel rack seat, a flat key is arranged on the outer side face of the gear shaft, the flat key is arranged in the inner side of the bevel gear, a spacer is arranged at one end of the outer side face of the gear shaft, a moving hand wheel and the inner side of the spacer are respectively provided with a second cylindrical pin, an elastic retainer is arranged on the outer side face of the other end of the gear shaft, an elastic retainer ring is arranged on one side of the copper liner;
The right angle prism, right angle prism set up in the top of microscope movable frame, diameter prism's lateral surface is provided with cylindrical prism seat, one side of cylindrical prism seat is provided with the right angle board, the top of right angle board is provided with the main mirror seat, the medial surface of main mirror seat is provided with outer fixed cylinder, the inside of outer fixed cylinder is provided with telecentric lens, telecentric lens's top is provided with the CCD camera.
2. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 1, wherein a nineteenth screw is arranged in the middle partition frame, the bottom of the nineteenth screw is connected with the top of the marble base in a threaded manner, an eighteenth screw is arranged in the bottom of the pressing seat, the bottom of the eighteenth screw is connected with the top of the marble base in a threaded manner, a first cylindrical pin and a first screw are respectively arranged in the bottom of the zero-point base, the bottom of the first screw is connected with the top of the marble base in a threaded manner, the bottom of the first cylindrical pin is arranged in the top of the marble base in a threaded manner, a thirteenth screw and a fourteenth screw are arranged in the guide rail reference bar in a threaded manner, the bottoms of the thirteenth screw and the fourteenth screw are connected with the top of the marble base in a threaded manner, one side of the fourteenth screw is provided with a guide rail pressing column, and the top of the marble base is connected with a fifteenth screw in a threaded manner.
3. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 2, wherein a screw is connected to an internal thread of the zero-point base, a reform steel ball is arranged at one end of the screw, the reform steel ball is arranged at the end part of the leveling staff, a second screw is connected to an internal thread of the top of the zero-point base, and the bottom of the second screw is arranged at the top of the screw.
4. A difference detecting device of zero point difference of an image-combining type pair of leveling staff according to claim 3, wherein a microscope moving frame base plate is arranged between the sliding block and the microscope moving frame, fifth screws are arranged in the microscope moving frame base plate and the sliding block, and fourth screws are arranged in the limiting mirror moving frame and the microscope moving frame base plate.
5. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 4, wherein eighth screws are arranged in two ends of the main lens seat, the eighth screws are in threaded connection with the top of the microscope moving frame, two ends of the main lens seat are fixedly provided with light source frame vertical plates, one side of each light source frame vertical plate is fixedly provided with a light source frame, a light source is arranged in each light source frame, a sixth screw is in threaded connection with one side of each light source frame, a seventh screw is arranged in each light source frame, one end of each seventh screw is in threaded connection with one side of each light source frame vertical plate, a ninth screw is in threaded connection with one side of the main lens seat, a focusing nut is arranged on one side of each outer fixed cylinder, and a tenth screw is in threaded connection with the other side of the main lens seat.
6. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 5, wherein a twelfth screw is arranged in the bevel gear seat, the bottom of the twelfth screw is connected with the top of the marble base in a threaded manner, a sixteenth screw is connected with the inner screw of the microscope moving frame in a threaded manner, a seventeenth screw is connected with the inner screw of the microscope moving frame in a threaded manner, and a spring washer is arranged in the microscope moving frame.
7. The device for detecting zero point difference between an image-capturing pair of leveling staff according to claim 6, wherein the adjusting pad is disposed around the bottom of the marble base.
8. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 7, wherein a fixed plate is fixedly arranged on one side of the light source vertical plate, a rotating plate is arranged on one side of the fixed plate, and a light source frame is fixedly arranged on one side of the rotating plate.
9. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 8, wherein screws are arranged in the rotating plate and the fixing plate, nuts are connected to the outer side faces of the screws in a threaded mode, and the nuts are arranged on one side of the fixing plate.
10. The device for detecting the difference between zero-point differences of an image-combining pair of leveling staff according to claim 9, wherein a rubber sheet is arranged between the rotating plate and the fixed plate, and the rubber sheet is arranged on the outer side surface of the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410223529.3A CN117928604A (en) | 2024-02-29 | 2024-02-29 | Device for detecting zero difference of image-combining type pair of leveling staff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410223529.3A CN117928604A (en) | 2024-02-29 | 2024-02-29 | Device for detecting zero difference of image-combining type pair of leveling staff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117928604A true CN117928604A (en) | 2024-04-26 |
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ID=90760890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410223529.3A Pending CN117928604A (en) | 2024-02-29 | 2024-02-29 | Device for detecting zero difference of image-combining type pair of leveling staff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117928604A (en) |
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2024
- 2024-02-29 CN CN202410223529.3A patent/CN117928604A/en active Pending
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