CN114234906A - Sight distance measuring device for surveying and mapping geography based on optical point taking - Google Patents
Sight distance measuring device for surveying and mapping geography based on optical point taking Download PDFInfo
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- CN114234906A CN114234906A CN202210169017.4A CN202210169017A CN114234906A CN 114234906 A CN114234906 A CN 114234906A CN 202210169017 A CN202210169017 A CN 202210169017A CN 114234906 A CN114234906 A CN 114234906A
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- plate
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- main body
- distance measuring
- sight distance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
Abstract
The invention provides a sight distance measuring device for surveying and mapping geography based on optical point taking, which relates to the technical field of paint spraying and comprises a main body, wherein a side groove is formed in the side surface of the main body; the side groove is of an annular structure, and a side plate outside the side groove is arranged on the side surface of the main body; the inner groove is arranged inside the main body, and the outer cylinder outside the inner groove is arranged on the side surface of the main body; the cross rod is of a cylindrical structure, is rotatably arranged on the side face of the main body and is positioned below the outer barrel. The rainwater falls to press in the water box and moves the montant downstream, make the montant lose the fixed to the cardboard, the sunshade outwards removes at the top of urceolus under the effect of spring, make the sunshade block the inside objective part of urceolus, prevent that the rainwater from falling on objective and influencing the sight, when solving current stadia measuring device and carrying out geographical mapping in rainy day and using, the rainwater falls on objective easily and influences the sight, need artifical a lot of to clean objective, the problem that relatively wastes time and energy.
Description
Technical Field
The invention relates to the technical field of surveying and mapping equipment, in particular to a sight distance measuring device for surveying and mapping geography based on optical point taking.
Background
The sight distance measurement is that the sight distance silk on the cross-wire reticle in the telescope of the level gauge is used for reading on the sight distance ruler, and when geographic mapping is carried out, the used sight distance measurement device is a device which can simultaneously measure the distance between two points and the height difference, is simple and is less limited by the terrain.
However, when the existing sight distance measuring device is used for geographical surveying and mapping in rainy days, rainwater easily falls on the objective lens to influence the sight line, the objective lens needs to be manually cleaned for many times, time and labor are wasted, the sight distance measuring device is exposed in the air for a long time, dust on a construction site is easily attached to the objective lens, the sight line is blurred, and the dust cleaning effect of the edge position is poor due to manual cleaning.
Disclosure of Invention
In view of the above, the present invention provides a sight distance measuring device for surveying and mapping geography based on optical point taking, which has a shielding plate, wherein the shielding plate moves at the top of the outer side of an outer cylinder, so that an objective lens inside the outer cylinder blocks a falling rain point in rainy days, and an arc-shaped structure guides rainwater to two sides to prevent the rainwater from falling on the objective lens to influence a surveying and mapping sight line.
The invention provides a sight distance measuring device for surveying and mapping geography based on optical point taking, which specifically comprises: the focusing hand wheel is mounted on the side face of the main body, and a side groove is formed in the side face of the main body; the side groove is of an annular structure, and a side plate outside the side groove is arranged on the side surface of the main body; an inner groove, which is arranged inside the main body, and an outer cylinder outside the inner groove is arranged on the side surface of the main body; the cross rod is of a cylindrical structure and is rotatably arranged on the side face of the main body, and the cross rod is located below the outer barrel.
Optionally, the body comprises: the top of the bottom plate is provided with a groove, and the groove at the bottom of the bottom plate is provided with a main body; the bottom groove is of an annular structure, a serrated structure is installed on the inner side of the bottom groove, and the bottom groove is formed in the bottom of the bottom plate.
Optionally, the body further comprises: the middle position of the rotating plate is provided with an opening, and the rotating plate is arranged at the bottom of the bottom plate; the top of the base is provided with a three-foot spiral hand wheel, the top of the three-foot spiral hand wheel is connected with the bottom of the rotating plate, the middle position of the base is provided with a transmission rod, and the transmission rod penetrates through a hole in the middle position of the rotating plate and is connected with the bottom of the bottom plate; the inner end of the rotating rod is provided with a gear, the rotating rod is arranged on the side surface of the rotating plate, and the gear at the inner end of the rotating rod is meshed with the sawtooth structure on the inner side of the bottom groove.
Optionally, the side groove comprises: the side plate is of an annular structure and is arranged on the outer side of the side groove, and the eyepiece parts are arranged in the side plate; the spout, the spout is T shape structure, and the spout is established in the outside of curb plate.
Optionally, the side groove further comprises: the inner end of the buffer plate is slidably mounted inside the side groove, the buffer plate is slidably mounted on the outer side of the side plate, and the outer end of the buffer plate is made of rubber; the slider is arranged on the inner side of the buffer plate and is slidably mounted in the sliding groove, and the inner side of the slider is connected with the side face of the main body through the spring.
Optionally, the inner tank comprises: the shielding plate is of an arc structure, a lug is arranged at the top of the inner end of the shielding plate, and the lug at the top of the inner end of the shielding plate is slidably arranged in the inner groove through a spring; the side of urceolus, urceolus is equipped with the fluting, and the inboard of urceolus installs objective part to the outside slidable mounting of urceolus has the sunshade.
Optionally, the inner tank further comprises: the top of the water box is provided with a filter plate, the bottom of the water box is arranged in the inner groove through a spring, and the bottom of the inner side of the water box is provided with a drain hole; the water box comprises a vertical rod, wherein the vertical rod is of a cylindrical structure and is installed on the side surface of the bottom end of the water box, and a conical convex block is installed on the side surface of the bottom end of the vertical rod.
Optionally, the inner tank further comprises: the lateral end of the clamping plate is of an annular structure, a conical bump on the side surface of the bottom end of the vertical rod is slidably mounted in the annular structure of the lateral end of the clamping plate, and the clamping plate is mounted at the inner end of the shielding plate; the baffle is of a cylindrical structure with a convex middle part, is arranged in a drainage hole at the bottom of the inner layer of the water box, and is connected with the inner side of the water box through a spring at the top; the honeycomb duct, the top side of honeycomb duct is equipped with many places trompil, and the honeycomb duct is installed in the bottom of baffle to the bottom side at the main part is installed to the bottom of honeycomb duct.
Optionally, the cross-bar comprises: the scraper is of an oval structure, a hairbrush is arranged on the side face of the scraper, and the scraper is arranged on the outer side of the cross rod; and the storage tank is arranged on the side surface of the scraper.
Optionally, the cross-bar further comprises: the inner plate is of an oval structure, a brush is arranged on the outer side of the inner plate, and the inner plate is slidably mounted inside the storage tank through a spring; the outer plate is of an annular structure, the top of the outer plate is rotatably arranged in the groove in the side face of the outer barrel, and the scraper is arranged on the outer side of the outer plate.
Advantageous effects
1. Compared with the traditional sight distance measuring device, the scraper and the inner plate of the sight distance measuring device can clean the objective lens parts in the outer cylinder, and especially in the environment with large dust on a construction site, the cleanliness of the objective lens is ensured.
2. Can block the rainwater that the objective top fell through using the sunshade, when surveying and mapping in rainy day, the rainwater falls to press in the water box and moves montant downstream, make the montant lose the fixed to the cardboard, the sunshade outwards removes at the top of urceolus under the effect of spring, make the sunshade block the inside objective part of urceolus, prevent that the rainwater from falling on the objective and influencing the sight, and need not clean objective, and is more labour saving and time saving, use the rainwater to pass through the honeycomb duct discharge after accomplishing, the sunshade resumes original position, and is convenient for carry.
3. Through using the scraper blade to the inside objective part of urceolus regularly clear up, the scraper blade promotes the planking and rotates to one side, and the inboard brush of inner panel and the inboard brush of scraper blade clear up objective under the effect of spring, and the marginal position of objective is covered to the brush, and the timely discharge of dust of clearing up simultaneously to keep the clarity of survey and drawing sight, with the degree of accuracy of stadia when improving the survey and drawing.
4. The eye is placed and is surveyed on the eyepiece when carrying out the survey and drawing, and a thrust can be applyed to the eye, and the eye promotes the inside inward movement of buffer board in the side groove, prevents that the long-time placing of eye from extruding the vestige on the eyepiece, and the rubber material of buffer board outer end plays the effect of protection eye.
5. The gear at the inner end of the rotating rod drives the sawtooth structure of the inner layer of the bottom groove to rotate by rotating the rotating rod, so that the bottom plate slightly rotates at the top of the rotating plate, and after the base is installed on the tripod to roughly adjust the steering of the main body, the rotating rod is finely adjusted, and the accuracy of the sight is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows an overall structural schematic according to an embodiment of the invention;
FIG. 2 illustrates a cross-sectional structural view of a base plate according to an embodiment of the present invention;
FIG. 3 illustrates a side panel cross-sectional structural view according to an embodiment of the present invention;
FIG. 4 shows a perspective view of a shutter according to an embodiment of the present invention;
FIG. 5 illustrates a schematic perspective view of a vertical rod according to an embodiment of the present invention;
FIG. 6 shows a schematic cross-sectional structure of a water box according to an embodiment of the present invention;
FIG. 7 shows a schematic perspective view of a cross-bar according to an embodiment of the present invention;
FIG. 8 shows a cross-sectional structural view of a squeegee according to an embodiment of the invention.
List of reference numerals
1. A main body;
101. a base plate; 102. a bottom groove; 103. rotating the plate; 104. a base; 105. a rotating rod;
2. a side groove;
201. a side plate; 202. a chute; 203. a buffer plate; 204. a slider;
3. an inner tank;
301. a shutter; 302. an outer cylinder; 303. a water box; 304. a vertical rod; 305. clamping a plate; 306. a baffle plate; 307. a flow guide pipe;
4. a cross bar;
401. a squeegee; 402. a storage tank; 403. an inner plate; 404. and (7) an outer plate.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 8:
the invention provides a sight distance measuring device for surveying and mapping geography based on optical point taking, which comprises: the side surface of the main body 1 is provided with a focusing hand wheel, and the side surface of the main body 1 is provided with a side groove 2; a side groove 2, wherein the side groove 2 is of an annular structure, and a side plate 201 outside the side groove 2 is arranged on the side surface of the main body 1; an inner tank 3, the inner tank 3 being provided inside the main body 1, and an outer tank 302 outside the inner tank 3 being attached to a side surface of the main body 1; the cross bar 4, the cross bar 4 is a cylindrical structure, and the cross bar 4 is rotatably installed on the side of the main body 1, and the cross bar 4 is located below the outer cylinder 302.
Further, according to an embodiment of the present invention, as shown in fig. 1 and 2, the main body 1 includes: the bottom plate 101, the top of the bottom plate 101 has grooves, and the groove at the bottom of the bottom plate 101 is provided with the main body 1; the bottom groove 102, the bottom groove 102 is an annular structure, a saw-toothed structure is installed on the inner side of the bottom groove 102, and the bottom groove 102 is arranged at the bottom of the bottom plate 101; the main body 1 further includes: the middle position of the rotating plate 103 is provided with an opening, and the rotating plate 103 is arranged at the bottom of the bottom plate 101; the top of the base 104 is provided with three-foot spiral handwheels, the tops of the three-foot spiral handwheels are connected with the bottom of the rotating plate 103, the middle position of the base 104 is provided with a transmission rod, and the transmission rod penetrates through an opening in the middle of the rotating plate 103 and is connected with the bottom of the bottom plate 101; the rotary rod 105, the inner end of the rotary rod 105 is provided with a gear, the rotary rod 105 is arranged on the side surface of the rotary plate 103, the gear on the inner end of the rotary rod 105 is meshed with a saw-toothed structure on the inner side of the bottom groove 102, a focusing hand wheel is arranged on the side surface of the main body 1 and can be focused during surveying and mapping, the base 104 is arranged on the top of a tripod, a three-foot spiral hand wheel on the top of the base 104 can adjust the level of the main body 1, the main body 1 is arranged in a groove on the top of the bottom plate 101, the rotary rod 105 on the side surface of the rotary plate 103 is rotated, the gear on the inner end of the rotary rod 105 drives the saw-toothed structure on the inner side of the bottom groove 102, the bottom plate 101 slightly rotates on the top of the rotary plate 103, and the steering of the main body 1 is finely adjusted.
Further, according to an embodiment of the present invention, as shown in fig. 3, the side groove 2 includes: the side plate 201 is of an annular structure, the side plate 201 is installed on the outer side of the side groove 2, and eyepiece parts are installed inside the side plate 201; the sliding groove 202 is of a T-shaped structure, and the sliding groove 202 is arranged on the outer side of the side plate 201; the side groove 2 further includes: the inner end of the buffer plate 203 is slidably mounted in the side groove 2, the buffer plate 203 is slidably mounted on the outer side of the side plate 201, and the outer end of the buffer plate 203 is made of rubber; the slider 204, the slider 204 is established in the inboard of buffer board 203, and slider 204 slidable mounting is in the inside of spout 202, and the inboard of slider 204 is connected with the side of main part 1 through the spring, be equipped with annular side groove 2 in the side of main part 1, when the eye is placed in buffer board 203 outer end, the eye promotes buffer board 203 and moves in the outside of curb plate 201, make slider 204 move in spout 202, guide the removal of buffer board 203, make buffer board 203 cushion the pressure that the eye was applyed, prevent the eye extrusion trace, after using, push slider 204 outwards to move under the effect of spring, make buffer board 203 outwards block the outer end of curb plate 201, it enters the inboard of curb plate 201 to reduce the dust, protect the eyepiece simultaneously.
Further, according to an embodiment of the present invention, as shown in fig. 4, 5 and 6, the inner tank 3 includes: the shield 301, the shield 301 is arc-shaped, and the top of the inner end of the shield 301 is provided with a bump, and the bump on the top of the inner end of the shield 301 is slidably mounted inside the inner groove 3 through a spring; an outer cylinder 302, the side surface of the outer cylinder 302 is provided with a slot, the inner side of the outer cylinder 302 is provided with an objective lens part, and the outer side of the outer cylinder 302 is provided with a shielding plate 301 in a sliding way; the inner tank 3 further includes: the top of the water box 303 is provided with a filter plate, the bottom of the water box 303 is arranged in the inner groove 3 through a spring, and the bottom of the inner side of the water box 303 is provided with a drain hole; the vertical rod 304 is of a cylindrical structure, the vertical rod 304 is installed on the side surface of the bottom end of the water box 303, and a conical bump is installed on the side surface of the bottom end of the vertical rod 304; the inner tank 3 further includes: the side end of the clamping plate 305 is of an annular structure, a conical bump on the side surface of the bottom end of the vertical rod 304 is slidably mounted in the annular structure at the side end of the clamping plate 305, and the clamping plate 305 is mounted at the inner end of the shielding plate 301; the baffle 306 is of a cylindrical structure with a convex middle part, the baffle 306 is arranged in a drainage hole at the bottom of the inner layer of the water box 303, and the top of the baffle 306 is connected with the inner side of the water box 303 through a spring; a flow guide pipe 307, the top side of the flow guide pipe 307 is provided with a plurality of openings, the flow guide pipe 307 is installed at the bottom of the baffle 306, the bottom end of the flow guide pipe 307 is installed at the bottom side of the main body 1, when surveying and mapping are performed in rainy days, part of rainwater falls inside the water box 303, the rainwater presses the water box 303 to press downwards, so that the vertical rod 304 moves downwards, the conical convex block at the bottom side of the vertical rod 304 moves downwards to leave the annular structure at the side of the clamping plate 305, the shielding plate 301 moves along the outer side of the outer cylinder 302 under the action of the spring, so that the shielding plate 301 blocks the top of the outer cylinder 302, the shielding plate 301 with the arc structure guides the rainwater to two sides, prevents the rainwater from falling on the objective lens part inside the outer cylinder 302 and affecting the sight of surveying and the sight, the top end of the flow guide pipe 307 pushes the baffle 306 to move upwards while the water box moves downwards, so that the water flow is discharged through the openings at the top of the flow guide pipe 307, as rainwater is reduced, the water box 303 is pushed to move upwards under the action of the spring, the water box 303 is enabled to restore the original position, meanwhile, the shielding plate 301 is pushed to move inwards, the clamping plate 305 at the inner end of the shielding plate is clamped on the side protruding block at the bottom end of the vertical rod 304, and the shielding plate 301 is fixed.
Further, according to an embodiment of the present invention, as shown in fig. 7 and 8, the cross bar 4 includes: the scraper 401 is of an oval structure, a hairbrush is arranged on the side face of the scraper 401, and the scraper 401 is arranged on the outer side of the cross rod 4; the storage tank 402 is arranged on the side surface of the scraper 401; the cross bar 4 further comprises: an inner plate 403, the inner plate 403 is an oval structure, the outer side of the inner plate 403 is provided with a brush, and the inner plate 403 is slidably mounted inside the storage tank 402 through a spring; planking 404, planking 404 is the loop configuration, and the top of planking 404 rotates and installs in the fluting of urceolus 302 side, and the scraper blade 401 is installed to the outside of planking 404, the side at main part 1 is installed to horizontal pole 4, the scraper blade 401 is rotated in the regular outside at horizontal pole 4, make scraper blade 401 promote the planking 404 and remove in the side of urceolus 302, make scraper blade 401 remove at the outside surface of the inside objective part of urceolus 302, inner panel 403 shifts out storage tank 402 under the effect of spring, make scraper blade 401 clear up the objective with the brush of inner panel 403 side, keep the definition of objective, be convenient for survey and drawing the observation, planking 404 rotates and moves original position after the clearance is accomplished, make urceolus 302 keep integrality.
In another embodiment, a micro motor is installed on the side surface of the main body 1, so that the micro motor drives the cross rod 4 to rotate, the cross rod 4 drives the scraper 401 to move, and the motor periodically drives the scraper 401 to rotate, thereby facilitating the use of an operator and improving the portability.
The specific use mode and function of the embodiment are as follows: in the invention, when surveying and mapping geography, firstly, a sight distance measuring device is arranged on a tripod, a base 104 is arranged at the top of the tripod to roughly adjust the steering direction of a main body 1, a rotating rod 105 is rotated to drive a gear at the inner end of the rotating rod to rotate in a sawtooth shape at the inner side of a bottom groove 102, a bottom plate 101 slightly rotates at the top part of a rotating plate 103 to finely adjust the steering direction of the main body 1, then a scraper 401 is periodically rotated at the outer side of a cross rod 4, the scraper 401 pushes an outer plate 404 to move towards the side, a brush at the side of the scraper 401 and the side of an inner plate 403 cleans an objective lens, the outer plate 404 returns to the original position after cleaning is completed, when in use, eyes are placed at the outer end of a buffer plate 203, the buffer plate 203 is pushed by the eyes to move along a side plate 201, a sliding block 204 moves in a sliding groove 202, the buffer plate 203 buffers the eyes to prevent pressing marks, when in the rainy day, rainwater falls in a water box 303 to press the water box 303 to drive a vertical rod 304 to move downwards, the conical convex block on the side face of the bottom end of the vertical rod 304 moves downwards to leave the clamping plate 305, the shielding plate 301 moves outwards under the action of the spring, the shielding plate 301 stops rainwater falling from the top of the outer side of the outer barrel 302, the visual line of surveying and mapping is prevented from being influenced, when the water box 303 moves downwards, the top end of the guide pipe 307 pushes the baffle 306 to move upwards, part of water flow is discharged through the opening at the top of the guide pipe 307, the water box 303 restores to the original position along with the reduction of rainwater, and the water box is convenient to use next time.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. Look apart from measuring device for surveying and mapping geography based on optics is got a little, its characterized in that includes: the focusing device comprises a main body (1), wherein a focusing hand wheel is installed on the side surface of the main body (1), and a side groove (2) is formed in the side surface of the main body (1); a side groove (2), wherein a side plate (201) outside the side groove (2) is arranged on the side surface of the main body (1); an inner tank (3), wherein the inner tank (3) is arranged inside the main body (1), and an outer cylinder (302) outside the inner tank (3) is arranged on the side surface of the main body (1); the cross rod (4) is rotatably arranged on the side face of the main body (1), and the cross rod (4) is located below the outer barrel (302).
2. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the main body (1) comprises: the top of the bottom plate (101) is provided with a groove, and the groove at the bottom of the bottom plate (101) is provided with the main body (1); the bottom groove (102), the inner side of the bottom groove (102) is provided with a saw-toothed structure, and the bottom groove (102) is arranged at the bottom of the bottom plate (101).
3. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the main body (1) further comprises: the middle position of the rotating plate (103) is provided with an opening, and the rotating plate (103) is arranged at the bottom of the bottom plate (101); the top of the base (104) is provided with a three-foot spiral hand wheel, the top of the three-foot spiral hand wheel is connected with the bottom of the rotating plate (103), the middle of the base (104) is provided with a transmission rod, and the transmission rod penetrates through a hole in the middle of the rotating plate (103) and is connected with the bottom of the bottom plate (101); the inner end of the rotating rod (105) is provided with a gear, the rotating rod (105) is arranged on the side surface of the rotating plate (103), and the gear at the inner end of the rotating rod (105) is meshed with the sawtooth structure on the inner side of the bottom groove (102).
4. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the side groove (2) comprises: the side plate (201), the side plate (201) is installed on the outer side of the side groove (2), and the eyepiece parts are installed inside the side plate (201); the sliding groove (202), the sliding groove (202) is arranged on the outer side of the side plate (201).
5. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the side groove (2) further comprises: the inner end of the buffer plate (203) is slidably mounted in the side groove (2), and the buffer plate (203) is slidably mounted on the outer side of the side plate (201); the sliding block (204) is arranged on the inner side of the buffer plate (203), the sliding block (204) is installed inside the sliding groove (202) in a sliding mode, and the inner side of the sliding block (204) is connected with the side face of the main body (1) through a spring.
6. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the inner tank (3) comprises: the top of the inner end of the shielding plate (301) is provided with a lug, and the lug on the top of the inner end of the shielding plate (301) is slidably arranged in the inner groove (3) through a spring; the side of the outer cylinder (302) is provided with a slot, the inner side of the outer cylinder (302) is provided with an objective lens part, and the outer side of the outer cylinder (302) is provided with a shielding plate (301) in a sliding way.
7. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the inner tank (3) further comprises: the top of the water box (303) is provided with a filter plate, the bottom of the water box (303) is arranged in the inner groove (3) through a spring, and the bottom of the inner side of the water box (303) is provided with a drain hole; the vertical rod (304), the vertical rod (304) is installed on the bottom end side face of the water box (303), and the bottom end side face of the vertical rod (304) is provided with the conical convex block.
8. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the inner tank (3) further comprises: the side end of the clamping plate (305) is of an annular structure, a conical bump on the side surface of the bottom end of the vertical rod (304) is arranged in the annular structure at the side end of the clamping plate (305) in a sliding mode, and the clamping plate (305) is arranged at the inner end of the shielding plate (301); the baffle (306), the baffle (306) is installed in the drainage hole at the bottom of the inner layer of the water box (303), and the top of the baffle (306) is connected with the inner side of the water box (303) through a spring; the top side of the draft tube (307) is provided with an opening, the draft tube (307) is arranged at the bottom of the baffle (306), and the bottom end of the draft tube (307) is arranged at the bottom side of the main body (1).
9. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the cross bar (4) comprises: the side surface of the scraper (401) is provided with a hairbrush, and the scraper (401) is arranged on the outer side of the cross rod (4); the storage tank (402) is arranged on the side surface of the scraper (401).
10. The sight distance measuring apparatus for mapping geography based on optical pointing according to claim 1, wherein: the cross bar (4) further comprises: the outer side of the inner plate (403) is provided with a hairbrush, and the inner plate (403) is slidably arranged inside the storage tank (402) through a spring; the top of the outer plate (404) is rotatably arranged in a groove on the side surface of the outer cylinder (302), and a scraper (401) is arranged on the outer side of the outer plate (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210169017.4A CN114234906B (en) | 2022-02-24 | 2022-02-24 | Sight distance measuring device for surveying and mapping geography based on optical point taking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169017.4A CN114234906B (en) | 2022-02-24 | 2022-02-24 | Sight distance measuring device for surveying and mapping geography based on optical point taking |
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| CN114234906A true CN114234906A (en) | 2022-03-25 |
| CN114234906B CN114234906B (en) | 2022-05-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115854974A (en) * | 2023-02-21 | 2023-03-28 | 山东省国土测绘院 | Sight distance measuring device for surveying and mapping geography |
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