CN214470923U - Centering rod calibrating device - Google Patents
Centering rod calibrating device Download PDFInfo
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- CN214470923U CN214470923U CN202120684896.5U CN202120684896U CN214470923U CN 214470923 U CN214470923 U CN 214470923U CN 202120684896 U CN202120684896 U CN 202120684896U CN 214470923 U CN214470923 U CN 214470923U
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Abstract
The utility model provides a centering rod calibrating device, includes the fixed bolster, and direction adjustment mechanism is established to fixed bolster one end hinge, is equipped with the spliced pole subassembly of axial perpendicular to horizontal direction on the direction adjustment mechanism, and spliced pole subassembly below is coaxial to be equipped with and to be located subaerial mark mechanism, is the space of centering rod calibration between spliced pole subassembly to the ground. By reasonably setting the component structure, the method has strong applicability, and can correct the centering rod of all types of total station prisms and GNSS receivers in the current market; the whole process is simple and convenient to operate, the working efficiency is high, the centering rod can be calibrated within two minutes by only one person, the calibration precision is high, and the overall precision is less than or equal to 0.2 mm.
Description
Technical Field
The utility model belongs to the technical field of the survey and drawing, concretely relates to centering rod calibrating device.
Background
With the popularization of the total station and the survey type GNSS receiver in the survey work, the centering rod matched with the total station prism and the survey type GNSS receiver is also widely used as a erecting carrier of the total station prism and the survey type GNSS receiver, but the centering precision of the centering rod directly influences the survey precision and the quality of surveying and mapping results. To ensure the measurement accuracy, the centering rod is calibrated.
The traditional centering rod correction method has five types: a two-direction perpendicular intersection method, a one-direction cross method, an instrument foot stool method, a laser plumb method and a hammer ball line method. In order to improve the working efficiency, five methods have been tried, but all have various problems and low efficiency, for example, the most "two-direction vertical intersection method" used at present needs three persons to cooperate to complete: erect the high accuracy total powerstation outside tens meters distance alone, aim, erect the centering rod alone, proofread and correct round level bubble alone, proofread and correct a centering rod usually and need tens of minutes, waste time, hard.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a centering rod calibration device, which has strong applicability by reasonably setting the component structure, and can calibrate all types of total stations and GNSS receivers and centering rods in the current market; the whole process is simple and convenient to operate, the working efficiency is high, the centering rod can be calibrated within two minutes by only one person, the calibration precision is high, and the overall precision is less than or equal to 0.2 mm.
In order to achieve the above object, the utility model discloses the technical scheme who takes includes:
the utility model provides a centering rod calibrating device, includes the fixed bolster, and direction adjustment mechanism is established to fixed bolster one end hinge, is equipped with the spliced pole subassembly of axial perpendicular to horizontal direction on the direction adjustment mechanism, and spliced pole subassembly below is coaxial to be equipped with and to be located subaerial mark mechanism, is the space of centering rod calibration between spliced pole subassembly to the ground.
Preferably, the direction adjusting mechanism is integrally of a plate-shaped structure horizontally arranged, one end of the direction adjusting mechanism is horizontally hinged with one end of the fixed support through a first node, and a sliding groove matched with the connecting column component is formed in the direction adjusting mechanism.
Preferably, the whole connecting column assembly is of a cylindrical structure, and the connecting column assembly comprises a first connecting section, a limiting section and a second connecting section which are coaxially arranged from top to bottom; the diameter of spacing section and spout phase-match, the diameter of first linkage segment and second linkage segment all is greater than the diameter of spacing section.
Preferably, the fixed bolster includes perpendicular to horizontal direction and the canned paragraph of being connected with the wall body, and the fixed bolster still includes the first extension section that canned paragraph one end was even established, and direction adjustment mechanism one end is articulated with first extension section free end.
Preferably, the fixed support further comprises a second extension section connected to the other end of the fixed section, and a self-calibration module is arranged at the free end of the second extension section.
Preferably, the self-calibration module is a transmitting laser.
Preferably, the marking mechanism comprises a hammer ball coaxially arranged below the connecting column assembly, and an adjusting rope is continuously arranged between the hammer ball and the connecting column assembly.
Compared with the prior art, the utility model has the advantages that:
(1) the utility model discloses a centering rod calibrating device, through the reasonable setting to the component structure, the fixed bolster fixes centering rod calibrating device on the wall, and direction adjustment mechanism rotates through the pin joint, cooperates with connecting column subassembly and marking mechanism simultaneously, rectifies whether the centering rod that needs the installation is accurate perpendicular to the horizontal plane; the whole device is structurally arranged, has strong applicability, and can correct all types of total stations, GNSS receivers and centering rods in the current market.
(2) The utility model discloses a centering rod calibrating device, through the reasonable setting to the part structure, whole process operation is simple and convenient, work efficiency is high, only needs alone, can accomplish the calibration of a centering rod in the two minutes.
(3) The utility model discloses a centering rod calibrating device, through the reasonable setting to component structure, the calibration precision is high, and whole precision is less than or equal to 0.2mm, can satisfy the requirement of relevant regulation centering rod precision completely.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is an overall structural view of the centering rod calibrating device of the present invention;
FIG. 2 is a schematic view of the apparatus of FIG. 1 aligning a centering rod;
FIG. 3 is a schematic structural view of the fixing bracket of FIG. 1;
FIG. 4 is a top view of the direction adjustment mechanism of FIG. 1;
fig. 5 is a schematic structural view of the connection column assembly of fig. 1.
The reference numerals in the figures denote:
0 centering rod; 1, fixing a bracket; 1a first extension; 1b a fixed segment; 1c a second extension; 2, a direction adjusting mechanism; 2-1 chute; 2-2 a first node; 3 connecting the column assembly; 3a first connecting section; 3b a limiting section; 3c a second connection section; 4, cross measuring nails; 5, a marking mechanism; 5-1 adjusting ropes; 5-2 hammer ball.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
A centering rod calibration device comprises a fixed support 1, wherein one end of the fixed support 1 is hinged with a direction adjusting mechanism 2, the direction adjusting mechanism 2 is provided with a connecting column component 3 which is axially vertical to the horizontal direction, a marking mechanism which is positioned on the ground is coaxially arranged below the connecting column component 3, and a space for calibrating a centering rod 0 is formed between the connecting column component 3 and the ground;
the function is as follows: the fixed support 1 is used for bearing the whole centering rod calibration device and fixing the centering rod calibration device on a wall surface; the direction adjusting mechanism 2 rotates through a hinge point, can be used for positioning and adjusting the position of the connecting column assembly 3, and is matched with the connecting column assembly 3 and the marking mechanism 5 to correct whether the connecting column assembly to be installed is accurately vertical to a horizontal plane or not; the whole device is structurally arranged, has strong applicability, and can correct all types of total stations, GNSS receivers and centering rods 0 in the current market;
when the device is used, the fixed support 1 is firstly arranged on a wall 1.5 meters away from the ground, the positions of the direction adjusting mechanism 2 and the connecting column component 3 are adjusted, a calibration point is marked on the ground right below the coaxial connecting column component 3 through the marking mechanism 5, and a hole is drilled in the calibration point; after the cross pin 4 is knocked into the drilled hole, the direction adjusting mechanism 2 is rotated, the position of the connecting column component 3 is adjusted, secondary correction is carried out through the marking mechanism 5, the connecting column component 3 and the cross pin 4 are ensured to be accurately positioned on a vertical line, and the centering rod calibration device is installed; the center of the cross measuring nail 4 is arranged in the bottom end of the centering rod 0 during centering, the telescopic rod of the centering rod 0 extends and is clamped with the lower end of the connecting column component 3, the whole process is easy and convenient to operate and high in working efficiency, and only one person is needed to finish the calibration of one centering rod 0 in two minutes.
Specifically, the whole direction adjusting mechanism 2 is of a horizontally arranged plate-shaped structure, one end of the direction adjusting mechanism 2 is horizontally hinged with one end of the fixed support 1 through a first node 2-2, and a sliding groove 2-1 structurally matched with the connecting column component 3 is arranged on the direction adjusting mechanism 2;
the function is as follows: one end of the direction adjusting mechanism 2 is horizontally hinged with one end of the fixed support 1 through a first node 2-2 and is used for adjusting the position of the connecting column component 3 in the horizontal direction; the chute 2-1 is matched with the connecting column component 3 in structure, and is used for connecting the two connecting column components 3 up and down, clamping the two connecting column components in the chute 2-1 and horizontally adjusting the position of the connecting column component 3 along the chute 2-1.
Specifically, the connecting column component 3 is a universal part and has a cylindrical structure as a whole, and the connecting column component 3 comprises a first connecting section 3a, a limiting section 3b and a second connecting section 3c which are coaxially arranged from top to bottom; the diameter of the limiting section 3b is matched with the sliding groove 2-1, and the diameters of the first connecting section 3a and the second connecting section 3c are larger than that of the limiting section 3 b.
The function is as follows: the first connecting section 3a is used for connecting a GNSS receiver or a total station prism, and the second connecting section 3c is used for connecting the centering rod 0; the first connecting section 3a, the limiting section 3b and the second connecting section 3c are all detachable, so that the limiting section 3b is clamped in the sliding groove 2-1 after the position is determined.
Specifically, the fixed support 1 comprises a fixed section 1b which is perpendicular to the horizontal direction and is connected with the wall, the fixed support 1 further comprises a first extension section 1a which is connected with one end of the fixed section 1b, and one end of the direction adjusting mechanism 2 is hinged with the free end of the first extension section 1 a;
the function is as follows: the fixed section 1b is used for fixing the whole device on a wall body, and the first extending section 1a is used for being hinged with the direction adjusting mechanism 2.
Specifically, the fixed support 1 further comprises a second extension section 1c connected with the other end of the fixed section 1b, and a self-calibration module installation position is reserved at the free end of the second extension section 1 c;
the function is as follows: the self-calibration module is used for carrying out subsequent calibration on the device so as to improve the stability of the device.
Wherein, the self-calibration module preferably selects a circular bubble with the precision better than 1' or a downward emitting laser with the spot diameter less than or equal to 0.2mm within the range of 1.5m of the ground clearance with an independent switch.
Specifically, the marking mechanism 5 comprises a hammer ball 5-2 coaxially arranged below the connecting column component 3, and an adjusting rope 5-1 is connected between the hammer ball 5-2 and the connecting column component 3;
the function is as follows: the hammer ball 5-2 is an existing part, due to the action of the gravity of the earth, the mode of hanging the hammer ball 5-2 has no influence of other external force factors, the correction precision is high, the installation precision of the whole device is less than or equal to 0.2mm, and the correction requirement that the centering precision is less than or equal to 1.0mm at the position of 0 height of the centering rod specified by relevant regulations can be completely met.
Example 1
This embodiment is the utility model discloses a centering rod calibrating device's installation calibration explanation specifically as follows:
s1: firstly, punching holes at a position 1.5m high from the ground at a selected position on a stable wall by using a drill bit of 10mm for a percussion drill, knocking 8mm expansion screws into the wall by using an iron hammer, sleeving the expansion screws on the middle points of a fixed support 1, adjusting the positions to be proper, and then tightening nuts;
s2: the direction adjusting mechanism 2 is horizontally hinged at one end of the fixed support 1 through a first node 2-2 by a screw and a nut;
s3: the connecting column component 3 is arranged on the direction adjusting mechanism 2 from top to bottom, and the limiting section 3b is clamped in the sliding groove 2-1;
s4: coaxially connecting a thread end on a hammer ball 5-2 for precision measurement with a connecting column component 3, adjusting the length of a rope 5-1 to ensure that the tip of the hammer ball 5-2 is to be close to the ground, and marking the position by using a marker pen;
s5: lifting the hammer ball 5-2, drilling a hole at the marked position, knocking the cross measuring nail 4 into the drilled hole, then putting down the hammer ball 5-2, and finely adjusting the position of the direction adjusting device 2 to ensure that the center of the connecting column assembly 3 and the center of the cross measuring nail 4 are accurately positioned on a vertical line, wherein the installation precision is less than or equal to 0.2 mm;
s6: and (4) cutting off the position of the vertical line below the connecting column component 3, and completing the installation of the centering rod calibration device.
Example 2: total station centering rod calibration
This example is an illustration of the use of the centering rod calibration device installed in example 1, as follows:
s1: firstly, the tip part at the bottom end of the centering rod 0 is arranged at the center of the cross measuring nail 4;
s2: loosening the locking nut at the top end of the centering rod 0, and extending the telescopic rod of the centering rod 0 and clamping the connecting section 3a of the connecting column component 3;
s3: screwing the centering rod 0 to lock the nut so that the centering rod is clamped on the limiting section 3 b;
s4: adjusting a level air bubble correction screw of the centering rod 0 by using a change pin until the air bubble is accurately centered;
and S5, loosening the locking nut of the centering rod 0, contracting the telescopic rod of the centering rod 0, and finishing the calibration of the centering rod 0.
The whole process is simple and convenient to operate, the working efficiency is high, and the centering rod 0 can be calibrated within two minutes by one person; the requirement of the related procedure total station on the centering accuracy of the centering rod 0 can be completely met.
Example 3: GNSS receiver centering rod calibration
This example is an illustration of the use of the centering rod calibration device installed in example 1, as follows:
s1: firstly, the tip part at the bottom end of the centering rod 0 is arranged at the center of the cross measuring nail 4;
s2: the locking nut at the top end of the centering rod 0 is loosened, a hollow structure with a female screw is arranged inside the lower half part of the connecting column assembly 3, and the telescopic rod of the centering rod 0 extends to be in contact with the connecting section 3c of the connecting column assembly 3;
s3: rotating and extending the centering rod 0 to be tightly combined with the connecting column component;
s4: adjusting a level air bubble correction screw of the centering rod 0 by using a change pin until the air bubble is accurately centered;
s5, loosening the centering rod 0, contracting the telescopic rod of the centering rod 0, and finishing the calibration of the centering rod 0.
The whole process is simple and convenient to operate, the working efficiency is high, and the centering rod 0 can be calibrated within two minutes by one person; the method can completely meet the requirement of the related procedure total station on the calibration precision of the centering rod 0.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of the various embodiments of the present disclosure can be made, and the same should be considered as the inventive content of the present disclosure, as long as the combination does not depart from the spirit of the present disclosure.
Claims (7)
1. The utility model provides a centering rod calibrating device, its characterized in that includes fixed bolster (1), and direction adjustment mechanism (2) are established to fixed bolster (1) one end hinge, be equipped with connection post subassembly (3) of axial perpendicular to horizontal direction on direction adjustment mechanism (2), the coaxial mark mechanism (5) that are located subaerial that are equipped with in connection post subassembly (3) below, be the space of centering rod (0) calibration between connection post subassembly (3) to the ground.
2. The centering rod calibrating device as claimed in claim 1, wherein the direction adjusting mechanism (2) is a horizontally arranged plate-shaped structure as a whole, one end of the direction adjusting mechanism (2) is horizontally hinged with one end of the fixed support (1) through a first node (2-2), and the direction adjusting mechanism (2) is provided with a sliding groove (2-1) which is matched with the structure of the connecting column assembly (3).
3. The centering rod calibrating device as claimed in claim 2, wherein the connecting post assembly (3) is of a cylindrical structure as a whole, and the connecting post assembly (3) comprises a first connecting section (3a), a limiting section (3b) and a second connecting section (3c) which are coaxially arranged from top to bottom;
the diameter of the limiting section (3b) is matched with the sliding groove (2-1), and the diameters of the first connecting section (3a) and the second connecting section (3c) are larger than that of the limiting section (3 b).
4. A centering rod calibrating device according to any one of claims 1 to 3, wherein said fixing bracket (1) comprises a fixing section (1b) perpendicular to the horizontal direction and connected to the wall, the fixing bracket (1) further comprises a first extension section (1a) connected to one end of the fixing section (1b), and one end of said direction adjusting mechanism (2) is hinged to the free end of the first extension section (1 a).
5. The centering rod calibrating device as claimed in claim 4, wherein the fixing bracket (1) further comprises a second extension section (1c) connected to the other end of the fixing section (1b), and the free end of the second extension section (1c) is provided with a self-calibration block.
6. The centering rod calibration device of claim 5, wherein said self-calibration module is a transmitting laser.
7. The centering rod calibration device according to claim 4, wherein the marking mechanism (5) comprises a hammer ball (5-2) coaxially arranged below the connecting column assembly (3), and an adjusting rope (5-1) is connected between the hammer ball (5-2) and the connecting column assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684896.5U CN214470923U (en) | 2021-04-02 | 2021-04-02 | Centering rod calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684896.5U CN214470923U (en) | 2021-04-02 | 2021-04-02 | Centering rod calibrating device |
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| CN214470923U true CN214470923U (en) | 2021-10-22 |
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| CN202120684896.5U Active CN214470923U (en) | 2021-04-02 | 2021-04-02 | Centering rod calibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032163A (en) * | 2022-06-28 | 2022-09-09 | 南京康测自动化设备有限公司 | High-precision laser perpendicularity calibration device |
-
2021
- 2021-04-02 CN CN202120684896.5U patent/CN214470923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032163A (en) * | 2022-06-28 | 2022-09-09 | 南京康测自动化设备有限公司 | High-precision laser perpendicularity calibration device |
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