CN214470881U - Geodetic survey centering device - Google Patents
Geodetic survey centering device Download PDFInfo
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- CN214470881U CN214470881U CN202120930979.8U CN202120930979U CN214470881U CN 214470881 U CN214470881 U CN 214470881U CN 202120930979 U CN202120930979 U CN 202120930979U CN 214470881 U CN214470881 U CN 214470881U
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- shell
- telescopic link
- bearing
- centering device
- centering
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Abstract
The utility model discloses a geodetic survey centering device, which comprises an accommodating shell, a fixing unit, a supporting threaded rod, a centering rod, a measuring prism and a pull plate; the utility model discloses a fixed screw fixes the fixed plate and rotates, block the inner structure of accomodating the shell through the fixed plate, the inner structure that prevents to accomodate the shell exposes from accomodating the shell, the telescopic link is convenient to be accomodate, can make through the bearing and be connected for rotating between telescopic link and balancing weight and the pivot, reduce simultaneously and be connected the frictional force between, make the telescopic link leave the shell through the balancing weight and in the back vertical upwards all the time, confirm the horizontal position of telescopic link through the round level, come reflectance measurement's laser through measuring prism, make the telescopic link lengthen fast through the arm-tie, support the accomodating shell through supporting the threaded rod, can adjust the horizontal degree of accomodating the shell simultaneously.
Description
Technical Field
The utility model relates to a centering device technical field specifically is a geodetic survey centering device.
Background
The centering of geodetic observation is performed by utilizing a plumb sphere, optics, or laser. During observation, the telescopic tripod is opened and is erected above a point to be observed, the base is fixed on the tripod through the connecting screw rod for centering and leveling, but the geodetic survey centering device is large in size and inconvenient to carry.
Disclosure of Invention
In view of the problems in the prior art, the utility model discloses a geodetic surveying centering device, which adopts the technical proposal that the geodetic surveying centering device comprises a containing shell, a fixing unit, a supporting threaded rod, a centering rod, a measuring prism and a pulling plate; the middle part of the containing shell is hollow, the middle part of the containing shell is in an up-down opening shape, supporting screw holes are formed in the front, back, left and right corners of the middle part of the containing shell from top to bottom, and a rotating shaft is fixedly installed in the center of the inside of the containing shell from front to back; the two fixing units are respectively arranged on the upper surface of the left end and the lower surface of the right end of the accommodating shell; the supporting threaded rod is installed in the supporting threaded hole in a threaded manner; and a bearing of the centering rod is fixedly sleeved on the rotating shaft.
As the utility model discloses a geodetic survey centering device is preferred technical scheme, fixed unit contains fixed plate and fixed screw, the one end of fixed screw is passed in the one end activity of fixed screw, and final screw thread is installed in accomodating the shell, fixes the fixed plate through the fixed screw and rotates, blocks the inner structure of accomodating the shell through the fixed plate, prevents that the inner structure of accomodating the shell from exposing in accomodating the shell.
As the utility model discloses a geodetic survey centering device preferred technical scheme, the centering rod contains telescopic link, bearing, balancing weight and circle level, the lower extreme fixed mounting of telescopic link is on the upper surface of bearing, the upper end fixed mounting of balancing weight is on the lower surface of bearing, circle level fixed mounting is on the lower extreme of balancing weight, the below connection structure of bearing is heavier than its top connection structure, the centering rod can be accomodate completely in accomodating the shell, and the telescopic link is convenient to be accomodate, can make through the bearing to be connected for rotating between telescopic link and balancing weight and the pivot, reduces simultaneously and the pivot is connected between frictional force, makes the telescopic link leave and accomodate the shell in back vertical upwards all the time through the balancing weight, confirms the horizontal position of telescopic link through circle level.
As the utility model discloses a preferred technical scheme of geodetic survey centering device, install the measurement prism in the telescopic link of telescopic link top, fixed mounting has the arm-tie on the top left and right sides face of telescopic link, comes reflection measurement's laser through measuring the prism, makes the telescopic link lengthen fast through the arm-tie.
As the utility model discloses a preferred technical scheme of geodetic survey centering device, the length that balancing weight and round level added is good at to the length of supporting the threaded rod, supports through the supporting threaded rod and accomodates the shell, can adjust the horizontality of accomodating the shell simultaneously.
The utility model has the advantages that: the utility model discloses a fixed screw fixes the fixed plate and rotates, block the inner structure of accomodating the shell through the fixed plate, the inner structure that prevents to accomodate the shell exposes from accomodating the shell, the telescopic link is convenient to be accomodate, can make through the bearing and be connected for rotating between telescopic link and balancing weight and the pivot, reduce simultaneously and be connected the frictional force between, make the telescopic link leave the shell through the balancing weight and in the back vertical upwards all the time, confirm the horizontal position of telescopic link through the round level, come reflectance measurement's laser through measuring prism, make the telescopic link lengthen fast through the arm-tie, support the accomodating shell through supporting the threaded rod, can adjust the horizontal degree of accomodating the shell simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a left side schematic view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic structural view of the centering rod of the present invention.
In the figure: 1-containing shell, 101-supporting screw hole, 102-rotating shaft, 2-fixing unit, 21-fixing plate, 22-fixing screw, 3-supporting threaded rod, 4-centering rod, 41-telescopic rod, 42-bearing, 43-balancing weight, 44-circular level, 5-measuring prism and 6-pulling plate.
Detailed Description
Example 1
As shown in fig. 1 to 4, the utility model discloses a geodetic surveying centering device, which adopts the technical scheme that the device comprises a containing shell 1, a fixing unit 2, a supporting threaded rod 3, a centering rod 4, a measuring prism 5 and a pulling plate 6; the middle part of the containing shell 1 is hollow, the middle part of the containing shell 1 is in an up-down opening shape, supporting screw holes 101 are formed in the front, back, left and right corners of the middle part of the containing shell 1 from top to bottom, and a rotating shaft 102 is fixedly installed in the center of the inside of the containing shell 1 from front to back; the number of the fixing units 2 is two, and the two fixing units 2 are respectively arranged on the upper surface of the left end and the lower surface of the right end of the accommodating shell 1; the supporting threaded rod 3 is arranged in the supporting threaded hole 101 in a threaded manner; the bearing 42 of the centering rod 4 is fixedly sleeved on the rotating shaft 102.
As the utility model discloses a geodetic survey centering device is preferred technical scheme, fixed unit 2 contains fixed plate 201 and fixed screw 202, the one end of fixed plate 201 is passed in the one end activity of fixed screw 202, and final screw thread is installed in storage shell 1, fixes fixed plate 201 through fixed screw 202 and rotates, blocks the inner structure of storage shell 1 through fixed plate 201, prevents that the inner structure of storage shell 1 from exposing in the storage shell 1, unscrews fixed screw 202, and the other end of rotating fixed plate 201 makes it leave the opening part of storage shell 1, then screws up fixed screw 202 in order to fix fixed plate 201.
As a preferred technical scheme of the geodetic survey centering device of the utility model, centering rod 4 contains telescopic link 41, bearing 42, balancing weight 43 and round level 44, the lower extreme fixed mounting of telescopic link 41 is on the upper surface of bearing 42, the upper end fixed mounting of balancing weight 43 is on the lower surface of bearing 42, round level 44 is fixed mounting on the lower extreme of balancing weight 43, the below connection structure of bearing 42 is heavier than its top connection structure, centering rod 4 can be accomodate in accomodating shell 1 completely, telescopic link 41 is convenient to accomodate, can make through bearing 42 for the rotation connection between telescopic link 41 and balancing weight 43 and pivot 102, reduce the frictional force between being connected with pivot 102 simultaneously, make telescopic link 41 keep upright upwards all the time after leaving accomodating shell 1 through balancing weight 43, confirm the horizontal position of telescopic link 41 through round level 44, the length of supporting threaded rod 3 is longer than the length that balancing weight 43 and round level 44 added, supports through supporting threaded rod 3 and accomodates shell 1, can adjust the horizontal degree of accomodating shell 1 simultaneously, and balancing weight 43 is vertical through gravity, and it is vertical upwards to drive telescopic link 41, observes round level 44 and determines whether the telescopic link 41 is horizontal perpendicular, twists four supporting threaded rods 3 through positive and negative and comes the leveling.
As the utility model discloses a preferred technical scheme of geodetic survey centering device, install measuring prism 4 in the telescopic link of telescopic link 41 the top, fixed mounting has arm-tie 6 on the top left and right sides face of telescopic link 41, comes reflection measurement's laser through measuring prism 4, makes telescopic link 41 lengthen fast through arm-tie 6, grasps arm-tie 6 and takes out telescopic link 41.
The utility model discloses a theory of operation: will the utility model discloses place the measurement department, unscrew fixed screw 202, the other end of rotating fixed plate 201 makes it leave the opening part of storage shell 1, then screw up fixed screw 202 in order to fix fixed plate 201, balancing weight 43 is vertical through gravity, it is vertical upwards to drive telescopic link 41, pulling arm-tie 6 takes telescopic link 41 out, it determines whether level is perpendicular for telescopic link 41 to observe round level 44, move four supporting threaded rod 3 through positive and negative twisting and come the leveling, leveling back laser irradiation prism 4 reflection side can be measured.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.
Claims (5)
1. The geodetic surveying centering device is characterized by comprising a containing shell (1), a fixing unit (2), a supporting threaded rod (3), a centering rod (4), a measuring prism (5) and a pulling plate (6); the middle part of the storage shell (1) is hollow, the middle part of the storage shell (1) is open up and down, supporting screw holes (101) are formed in the front, back, left and right corners of the middle part of the storage shell (1) from top to bottom, and a rotating shaft (102) is fixedly mounted in the center of the interior of the storage shell (1) from front to back; the two fixing units (2) are respectively arranged on the upper surface of the left end and the lower surface of the right end of the accommodating shell (1); the supporting threaded rod (3) is arranged in the supporting threaded hole (101) in a threaded manner; and a bearing (42) of the centering rod (4) is fixedly sleeved on the rotating shaft (102).
2. A geodetic centering device according to claim 1, wherein: the fixing unit (2) comprises a fixing plate (201) and a fixing screw (202), one end of the fixing screw (202) movably penetrates through one end of the fixing plate (201), and finally the fixing screw is installed in the accommodating shell (1) in a threaded mode.
3. A geodetic centering device according to claim 1, wherein: centering rod (4) contain telescopic link (41), bearing (42), balancing weight (43) and circle level (44), the lower extreme fixed mounting of telescopic link (41) is on the upper surface of bearing (42), the upper end fixed mounting of balancing weight (43) is on the lower surface of bearing (42), circle level (44) fixed mounting is on the lower extreme of balancing weight (43), the below connection structure of bearing (42) is heavier than its top connection structure, centering rod (4) can be accomodate completely in accomodating shell (1).
4. A geodetic centering device according to claim 3, wherein: install in the telescopic link of telescopic link (41) the top telescopic link and measure prism (5), fixed mounting has arm-tie (6) on the top left and right sides face of telescopic link (41).
5. A geodetic centering device according to claim 3, wherein: the length of the supporting threaded rod (3) is longer than the sum of the weight block (43) and the circular level (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930979.8U CN214470881U (en) | 2021-04-30 | 2021-04-30 | Geodetic survey centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930979.8U CN214470881U (en) | 2021-04-30 | 2021-04-30 | Geodetic survey centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214470881U true CN214470881U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120930979.8U Active CN214470881U (en) | 2021-04-30 | 2021-04-30 | Geodetic survey centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214470881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705173A (en) * | 2022-04-11 | 2022-07-05 | 山东省物化探勘查院 | Centering device for geodetic survey |
-
2021
- 2021-04-30 CN CN202120930979.8U patent/CN214470881U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705173A (en) * | 2022-04-11 | 2022-07-05 | 山东省物化探勘查院 | Centering device for geodetic survey |
| CN114705173B (en) * | 2022-04-11 | 2024-03-29 | 山东省物化探勘查院 | Centering device for geodetic survey |
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