CN210802474U - Optical base utilizing laser device to assist centering - Google Patents
Optical base utilizing laser device to assist centering Download PDFInfo
- Publication number
- CN210802474U CN210802474U CN201922191480.5U CN201922191480U CN210802474U CN 210802474 U CN210802474 U CN 210802474U CN 201922191480 U CN201922191480 U CN 201922191480U CN 210802474 U CN210802474 U CN 210802474U
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- base
- bottom plate
- lower base
- screw rod
- laser
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Abstract
The utility model discloses an optical base utilizing a laser device to assist in centering, which comprises a bottom plate, a lower base and an upper base, wherein the lower base is arranged above the bottom plate, and a horizontal adjusting mechanism is arranged between the bottom plate and the lower base; the lower end of the upper base is connected with the upper end of the lower base, and the upper end of the upper base is provided with a connecting screw rod; a cavity is arranged in the middle of the upper base, and a laser plummet is arranged in the cavity; the middle part of the bottom plate is provided with a screw hole. A straight hole is arranged in the middle of the lower base, and is coaxial with the laser plummet and the screw hole in the middle of the bottom plate; the laser plummet is located under the connecting screw rod. The connecting screw is connected with the GNSS observation antenna, the screw hole of the bottom plate is connected with the hollow screw of the tripod, and laser reaches the measuring mark after passing through the straight hole, the screw hole and the hollow screw of the tripod. The laser plummet replaces an eyepiece and an optical plummet, and the centering operation of the center of the optical base and the center of the measuring mark can be quickly finished through laser; the measuring error caused by ocular vision deviation is solved, and the stability is high.
Description
Technical Field
The utility model relates to a measuring equipment especially relates to an utilize optical base of laser device supplementary centering.
Background
The conventional survey type GNSS (global positioning satellite system) instrument mainly comprises two parts of a GNSS receiver and an antenna. The geometric center of the antenna is positioned right above the plumb line of an observation point (namely the 'centering' of the optical base before observation) during the observation of the GNSS, and the plane of the antenna is in a horizontal state (namely the 'leveling' of the optical base before observation). In the process of using a tripod and an optical base to conduct centering and leveling, the center point of a cross wire in a centering device of the existing optical base is observed through naked eyes, and meanwhile, the centering operation is completed by adjusting the position of the tripod and the screw of a base foot to enable the center point of the cross wire to coincide with the center point of a measuring mark.
The existing optical base has a narrow visual field of an eyepiece with a centering device, and a long time is usually spent on finding a measuring mark through the eyepiece in the centering process. In addition, in order to prevent the cross wire from being worn, the ocular lens of the optical centering device and the cross wire are not positioned on the same lens, so that visual deviation exists between operators with different eyesight, the visual deviation needs to be eliminated by adjusting the focal length of the ocular lens, and the process increases the operation time of centering and leveling and even introduces system errors.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing an utilize the optics base of the supplementary centering of laser device, can accomplish the centering operation at optics base center and survey mark center fast, solve the measuring error that eyepiece vision deviation arouses.
The technical scheme is as follows: the utility model discloses an optical base utilizing laser device to assist centering, which comprises a bottom plate, a lower base and an upper base, wherein the lower base is arranged above the bottom plate, and a horizontal adjusting mechanism is arranged between the bottom plate and the lower base; the lower end of the upper base is connected with the upper end of the lower base, and the upper end of the upper base is provided with a connecting screw rod; a cavity is arranged in the middle of the upper base, and a laser plummet is arranged in the cavity; and a screw hole is formed in the middle of the bottom plate. And a straight hole is formed in the middle of the lower base, and is coaxial with the laser plummet and the screw hole in the middle of the bottom plate. The connecting screw is connected with the GNSS observation antenna, the screw hole of the bottom plate is connected with the hollow screw of the tripod, and laser emitted by the laser plummet device sequentially passes through the straight hole, the screw hole and the hollow screw of the tripod and then reaches the measurement mark.
Furthermore, the upper end of the lower base is provided with a space for accommodating the lower end of the upper base, the lower end of the upper base is inserted into the space, and the lower base is provided with a first fastener which is used for fixing the upper base. Connect upper base and lower base through first fastener, the dismouting of being convenient for, portable after the dismantlement.
Further, the first fastener is a first jackscrew arranged in the circumferential direction of the lower base, at least one first jackscrew is arranged, the first jackscrew is arranged in a screw hole arranged in the circumferential direction of the lower base, and the front end of the first jackscrew is propped against the side wall of the lower end of the upper base. The laser counter point device arranged in the cavity of the upper base is powered by the button battery, and the upper base is of a detachable structure, so that the laser counter point device can be conveniently replaced by the battery. The detachable upper base is convenient to carry.
Furthermore, the horizontal adjusting mechanism comprises a plurality of knobs arranged between the bottom plate and the lower base, each knob is provided with a screw rod connected with the lower base and the bottom plate, and the screw thread turning directions of the screw rod connected with the lower base and the screw rod connected with the bottom plate are opposite. The knob is rotated to adjust the distance between the bottom plate and the lower base and adjust different knobs respectively, so that the horizontal state of the optical base can be adjusted.
Furthermore, the horizontal adjusting mechanism comprises a plurality of knobs arranged between the bottom plate and the lower base, one surface of each knob is provided with a screw rod connected with the lower base or the bottom plate, and the other surface of each knob is provided with a connecting piece movably connected with the bottom plate or the lower base. Through the cooperation of screw rod and screw thread, can realize adjusting the function of distance between bottom plate and the lower base when rotating the knob, connecting piece and bottom plate or lower base swing joint can not hinder the regulation.
Furthermore, the lower end of the connecting screw rod is inserted into the top of the upper base, and a second fastener for fixing the connecting screw rod is arranged on the upper base. The lower end of the connecting screw rod is not in threaded connection with the top of the upper base, and after the GNSS observation antenna is installed, the lower end of the connecting screw rod can rotate in the top of the upper base, so that the direction of the antenna can be conveniently adjusted. After the adjustment is completed, the connecting screw rod is locked through the second fastening piece.
Furthermore, the second fastener is a second jackscrew arranged in the circumferential direction of the upper base, one end of the second jackscrew is screwed into a screw hole arranged in the circumferential direction of the upper base, and the front end of the second jackscrew is propped against the side wall of the connecting screw rod. The jackscrew is convenient for fasten or loosen connecting screw rod lower extreme, and then fixed or loosen GNSS observation antenna.
Further, a leveling bubble is arranged at the top of the lower base and used for observing and displaying the leveling condition of the optical base.
Further, the laser plummet is located right below the connecting screw rod.
Has the advantages that: the utility model discloses following beneficial effect has:
the traditional ocular lens and the traditional optical plummet are replaced by the laser plummet, and the centering operation of the center of the optical base and the center of the measuring mark can be quickly finished by laser; solving the measurement error caused by the visual deviation of the ocular lens; the working efficiency is improved, and the labor intensity is reduced; the stability is high.
Drawings
FIG. 1 is a front view of an optical base according to an embodiment of the present invention;
fig. 2 is a top view of an optical base according to an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The optical base assisting centering by using the laser device as shown in fig. 1 and fig. 2 comprises a bottom plate 16, a lower base 11 and an upper base 12, wherein the lower base 11 is arranged above the bottom plate 16, and a horizontal adjusting mechanism is arranged between the bottom plate 16 and the lower base 11; the lower end of the upper base 12 is connected with the upper end of the lower base 11, and the upper end of the upper base 12 is provided with a connecting screw rod 20; a cavity is arranged in the middle of the upper base 12, and a laser plummet 14 is arranged in the cavity; the middle part of the bottom plate 16 is provided with a screw hole 60; a straight hole 50 is arranged in the middle of the lower base 11, and the straight hole 50 is coaxial with the laser plummet 14 and a screw hole 60 in the middle of the bottom plate 16; the laser plummet 14 is located directly below the connecting screw 20. The upper end of the lower base 11 is provided with a space for accommodating the lower end of the upper base 12, the lower end of the upper base 12 is inserted into the space, and the lower base 11 is provided with a first fastening piece which is used for fixing the upper base 12. Specifically, the first fastening member is a first jackscrew 13 arranged in the circumferential direction of the lower base 11, at least one first jackscrew 13 is arranged, the first jackscrew 13 is installed in a screw hole arranged in the circumferential direction of the lower base 11, and the front end of the first jackscrew is propped against the side wall of the lower end of the upper base 12.
The lower end of the connecting screw rod 20 is inserted into the top of the upper base 12, and a second fastening piece for fixing the connecting screw rod 20 is arranged on the upper base 12. Specifically, the second fastening member is a second jackscrew 30 disposed in the circumferential direction of the upper base 12, one end of the second jackscrew 30 is screwed into a screw hole disposed in the circumferential direction of the upper base 12, and the front end thereof abuts against the side wall of the connecting screw 20. The top of the lower base 11 is provided with a leveling bubble 40.
In one embodiment, the horizontal adjustment mechanism includes a plurality of knobs 15 disposed between the bottom plate 16 and the lower base 11, each knob 15 is provided with a screw connected to the lower base 11 and the bottom plate 16, and the screw connected to the lower base 11 and the screw connected to the bottom plate 16 have opposite screw threads.
In another embodiment, the horizontal adjustment mechanism includes a plurality of knobs 15 disposed between the bottom plate 16 and the lower base 11, and each knob 15 has a screw rod on one side thereof connected to the lower base 11 or the bottom plate 16 and a connecting member movably connected to the bottom plate 16 or the lower base 11 on the other side thereof.
The utility model discloses when using, will install on the tripod. When the tripod and the optical base of the utility model are used for centering and leveling, the tripod is opened and is erected above the measuring mark; the optical base is secured to the tripod by means of a screw hole 60 using the hollow screw of the tripod. The hollow screw rod is coaxially arranged with the laser plummet 14 and the straight hole 50, and laser emitted by the laser plummet 14 can pass through the straight hole 50 and the hollow screw rod to reach the measuring mark on the ground. The mounting screw 20, the upper base 12 and the lower base 11 are detachably connected, so that the carrying is convenient. The base plate 16 is connected to a tripod, and the knob 15 is turned to adjust the distance between the base plate 16 and the lower base 11, and when the leveling bubble 40 is observed to indicate that the lower base 11 is in a horizontal state, the adjustment is stopped. After the GNSS observation antenna is connected to the mounting screw 20, the mounting screw 20 is rotated first to adjust the direction of the GNSS observation antenna, and after the adjustment is completed, the second jackscrew 30 is screwed down to fix the mounting screw 20. And (3) turning on the laser plummet 14, and enabling the laser point to coincide with the central point of the measuring mark by adjusting the tripod and the knob 15, so that the centering operation can be considered to be finished. The flattening operation is in accordance with conventional methods.
Because the utility model discloses an optics base needs to use with the tripod cooperation at centering flattening in-process, consequently can design as follows to its size:
the height of the upper base 12 may be 50mm, with a diameter of 50 mm; the height of the cavity is 30mm, and the diameter is 25 mm; the height of the lower base 11 can be 50mm, and the diameter is 100 mm; the depth of the straight hole is 50 mm; the laser plummet 14 is a cylinder with a length of 20mm and a diameter of 10mm, and is powered by a universal button battery. The knob 15 is 15mm high and 25mm in diameter; the connecting screw rod 20 is 50mm long and 20mm in diameter; the connecting screw rod 20 is provided with a thread which can be matched with the GNSS observation antenna at the position of 0-20mm, and a groove which is matched with the second jackscrew 30 at the position of 40-50mm at the lower end.
Claims (9)
1. An optical bench for assisting centering with a laser device, comprising: the device comprises a bottom plate (16), a lower base (11) and an upper base (12), wherein the lower base (11) is arranged above the bottom plate (16), and a horizontal adjusting mechanism is arranged between the bottom plate (16) and the lower base (11); the lower end of the upper base (12) is connected with the upper end of the lower base (11), and the upper end of the upper base (12) is provided with a connecting screw rod (20); a cavity is arranged in the middle of the upper base (12), and a laser plummet (14) is arranged in the cavity; a screw hole (60) is formed in the middle of the bottom plate (16); the middle part of the lower base (11) is provided with a straight hole (50), and the straight hole (50) is coaxial with the laser plummet (14) and a screw hole (60) in the middle part of the bottom plate (16).
2. An optical bench for assisting centering using a laser device as defined in claim 1, wherein: the upper end of the lower base (11) is provided with a space for accommodating the lower end of the upper base (12), the lower end of the upper base (12) is inserted into the space, and the lower base (11) is provided with a first fastening piece used for fixing the upper base (12).
3. An optical bench for assisting centering using a laser device as defined in claim 2, wherein: the first fastener is a first jackscrew (13) arranged on the circumferential direction of the lower base (11), at least one first jackscrew (13) is arranged, the first jackscrew (13) is arranged in a screw hole arranged on the circumferential direction of the lower base (11), and the front end of the first jackscrew is propped against the side wall of the lower end of the upper base (12).
4. An optical bench for assisting centering using a laser device as defined in claim 1, wherein: the horizontal adjusting mechanism comprises a plurality of knobs (15) arranged between a bottom plate (16) and a lower base (11), each knob (15) is provided with a screw rod connected with the lower base (11) and the bottom plate (16), and the screw thread turning directions of the screw rod connected with the lower base (11) and the screw rod connected with the bottom plate (16) are opposite.
5. An optical bench for assisting centering using a laser device as defined in claim 1, wherein: the horizontal adjusting mechanism comprises a plurality of knobs (15) arranged between a bottom plate (16) and the lower base (11), one surface of each knob (15) is provided with a screw rod connected with the lower base (11) or the bottom plate (16), and the other surface of each knob is provided with a connecting piece movably connected with the bottom plate (16) or the lower base (11).
6. An optical bench for assisting centering using a laser device as defined in claim 1, wherein: the lower end of the connecting screw rod (20) is inserted into the top of the upper base (12), and a second fastener for fixing the connecting screw rod (20) is arranged on the upper base (12).
7. An optical bench for assisting centering using a laser device as defined in claim 6, wherein: the second fastener is a second jackscrew (30) arranged on the circumferential direction of the upper base (12), one end of the second jackscrew (30) is screwed into a screw hole arranged on the circumferential direction of the upper base (12), and the front end of the second jackscrew is propped against the side wall of the connecting screw rod (20).
8. An optical bench for assisting centering using a laser device as defined in claim 1, wherein: and a leveling bubble (40) is arranged at the top of the lower base (11).
9. An optical bench for assisting centering using a laser device as defined in claim 1, wherein: the laser plummet (14) is positioned right below the connecting screw rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191480.5U CN210802474U (en) | 2019-12-10 | 2019-12-10 | Optical base utilizing laser device to assist centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191480.5U CN210802474U (en) | 2019-12-10 | 2019-12-10 | Optical base utilizing laser device to assist centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802474U true CN210802474U (en) | 2020-06-19 |
Family
ID=71228668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922191480.5U Expired - Fee Related CN210802474U (en) | 2019-12-10 | 2019-12-10 | Optical base utilizing laser device to assist centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739776A (en) * | 2021-09-23 | 2021-12-03 | 中交一公局集团有限公司 | High mound laser positioning base |
-
2019
- 2019-12-10 CN CN201922191480.5U patent/CN210802474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739776A (en) * | 2021-09-23 | 2021-12-03 | 中交一公局集团有限公司 | High mound laser positioning base |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20211210 |