CN204575055U - A kind of levelling pole that can accurately locate - Google Patents
A kind of levelling pole that can accurately locate Download PDFInfo
- Publication number
- CN204575055U CN204575055U CN201520277407.9U CN201520277407U CN204575055U CN 204575055 U CN204575055 U CN 204575055U CN 201520277407 U CN201520277407 U CN 201520277407U CN 204575055 U CN204575055 U CN 204575055U
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- China
- Prior art keywords
- turning point
- levelling pole
- point contact
- groove
- contact base
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of levelling pole that can accurately locate, comprise levelling pole body and the turning point contact base for coordinating with levelling pole foot pin or Building's Subsidence Survey point cantact, turning point contact base is fixedly mounted on levelling pole body lower end, the middle part of turning point contact base lower surface is provided with for contacting groove with the middle turning point that the protruding point ball pivot on levelling pole foot pin coordinates, the sidepiece of turning point contact base lower surface is provided with for contacting groove with the sidepiece turning point that the ball contact ball pivot of Building's Subsidence Survey point coordinates, middle turning point contact groove contacts groove with sidepiece turning point and is semisphere, levelling pole body lower part installs circular bubble.This levelling pole can turn in the process in face by the rear chi of chi conversion before levelling pole, remain that the contact position of levelling pole and foot pin or monitoring point remains unchanged, to ensure that levelling pole central point can not offset because rotating, avoid producing error, solve data and there is error and the poor even non-serviceable problem of precision.
Description
Technical field
The utility model belongs to levelling pole technical field, is specifically related to a kind of levelling pole that can accurately locate.
Background technology
In the leveling work of reality, levelling pole is easy to be worn, and is especially embedded in the circular bubble in the middle part of levelling pole, and after long-time, precision can reduce, and is difficult to find, in the measurements, survey crew needs hand steered levelling pole, must ensure that levelling pole does not rock all around when measuring, and also want the air level on manual control levelling pole placed in the middle, guarantee levelling pole is vertical, but, in the surveying work of reality, the hand-held levelling pole of staff is hurried back and forth in each measurement point, inherently very arduous, also want manual control levelling pole not double swerve and being vertically really not easy, cause read untrue, add same measurement point rotates blade again reading time, levelling pole central point can offset, same, when the settlement monitoring of building, monitoring point maintains static, and levelling pole not only rotates rear read untrue at every turn, and, also all different from buildings monitoring point contact position bottom different measuring cycle levelling pole, each issue data is just made to contain comparatively big error, cause reading more inaccurate, closed hoop error not only can be made easily to transfinite, and make each issue settling amount of monitoring point contain no small error, thus just the dynamic change in time of each monitoring point can not accurately be reflected, therefore, be difficult to the degree of accuracy ensureing to measure.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of levelling pole that can accurately locate.This levelling pole can turn in the process in face by the rear chi of chi conversion before levelling pole, remain that the contact position of levelling pole and foot pin or monitoring point remains unchanged, and can by the better righting levelling pole of circular bubble of bottom when Building's Subsidence Survey point position is higher, solve rotate blade again reading time, levelling pole central point can not offset, guarantee that staff reading can reflect the actual conditions of this point, avoid the generation of error, solve data and there is error and non-serviceable problem.And when building settlement monitoring, guarantee that contact position each with monitoring point bottom levelling pole is unique, enhance the reliability of data.
For achieving the above object, the technical solution adopted in the utility model is: a kind of levelling pole that can accurately locate, it is characterized in that: comprise levelling pole body and the turning point contact base for coordinating with levelling pole foot pin or Building's Subsidence Survey point cantact, described turning point contact base is fixedly mounted on the lower end of described levelling pole body, the middle part of the lower surface of described turning point contact base is provided with for contacting groove with the middle turning point that the protruding point ball pivot on levelling pole foot pin coordinates, the sidepiece of the lower surface of described turning point contact base is provided with for contacting groove with the sidepiece turning point that the ball contact ball pivot of Building's Subsidence Survey point coordinates, described middle turning point contact groove contacts groove with sidepiece turning point and is semisphere, the bottom of described levelling pole body is provided with circular bubble.
Above-mentioned a kind of levelling pole that can accurately locate, it is characterized in that: the upper surface of described turning point contact base offers the draw-in groove inserted for levelling pole body lower end, the left side of described turning point contact base offers the first threaded hole, is provided with the first gib screw stretching into described levelling pole body in described first threaded hole; The right side opening of described turning point contact base is provided with the second threaded hole, is provided with the second gib screw stretching into described levelling pole body in described second threaded hole.
Above-mentioned a kind of levelling pole that can accurately locate, it is characterized in that: the quantity of described sidepiece turning point contact groove is two, one of them sidepiece turning point engagement concavity slot is in the left side of described middle turning point contact groove, and another sidepiece turning point engagement concavity slot is in the right side of described middle turning point contact groove.
Above-mentioned a kind of levelling pole that can accurately locate, it is characterized in that: the quantity of described first threaded hole and the quantity of the second threaded hole are two, two described first threaded holes and two described second threaded holes are all laid along the short transverse of described turning point contact base.
Above-mentioned a kind of levelling pole that can accurately locate, is characterized in that: described turning point contact base is square.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model installs turning point contact device by being arranged on levelling pole body, this levelling pole its central point while rotation can not be offset, just can ensure this rule reading accuracy when rotating levelling pole very well, and then the discrepancy in elevation can be transmitted accurately.
3, the utility model by installing turning point contact device on levelling pole body, when carrying out Building's Subsidence Survey point and measuring, ensure each levelling pole and monitoring point contact position all unique, because contacting with monitoring point different bottom levelling pole and causing the error of reading when avoiding each issue measurement, and the circular bubble can settled by bottom carrys out better righting levelling pole, and then, accurately measuring of elevation can be carried out by the point higher to position.
4, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, reasonable in design, use easy to operate, avoid survey crew and cause departing from of levelling pole contact point and the error that causes when rotating levelling pole, especially when Building's Subsidence Survey, can ensure that levelling pole is each unique with same monitoring point contact position, and can better utilize circular bubble to carry out righting levelling pole, stealthy error component can be eliminated, the progress of measurement can be improved greatly, it has strong adaptability, realize cost low, practical, be easy to apply.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model turning point contact base.
Fig. 3 be the utility model turning point contact base and levelling pole foot pin with the use of using state reference diagram.
Fig. 4 be the utility model turning point contact base and Building's Subsidence Survey point with the use of using state reference diagram.
Description of reference numerals:
1-levelling pole body; 2-circular bubble;
3-turning point contact base; 3-1-draw-in groove;
3-2-the first threaded hole; 3-3-the second threaded hole;
3-4-middle turning point contact groove; 3-5-sidepiece turning point contact groove;
4-the first gib screw; 5-levelling pole foot pin;
5-1-protruding point; 6-Building's Subsidence Survey point;
6-1-ball contact.
Embodiment
A kind of levelling pole that can accurately locate as depicted in figs. 1 and 2, comprise levelling pole body 1 and for contacting with levelling pole foot pin 5 or Building's Subsidence Survey point 6 the turning point contact base 3 coordinated, described turning point contact base 3 is fixedly mounted on the lower end of described levelling pole body 1, the middle part of the lower surface of described turning point contact base 3 is provided with for contacting groove 3-4 with the middle turning point that the protruding point 5-1 ball pivot on levelling pole foot pin 5 coordinates, the sidepiece of the lower surface of described turning point contact base 3 is provided with for contacting groove 3-5 with the sidepiece turning point that the ball contact 6-1 ball pivot of Building's Subsidence Survey point 6 coordinates, described middle turning point contact groove 3-4 contacts groove 3-5 with sidepiece turning point and is semisphere, the bottom of described levelling pole body 1 is provided with circular bubble 2.
As shown in Figure 3, this levelling pole and levelling pole foot pin 5 with the use of time, when turning point contact base 3 is placed on levelling pole foot pin 5, and guarantee that the middle turning point contact groove 3-4 on turning point contact base 3 is that ball pivot coordinates with the protruding point 5-1 on levelling pole foot pin 5, coordinated with the ball pivot of described protruding point 5-1 by middle turning point contact groove 3-4, guarantee that the relative levelling pole foot pin 5 of turning point contact base 3 can not be moved, this levelling pole central point can not be offset, turning point contact base 3 can be made again to rotate around protruding point 5-1 simultaneously, guarantee that this levelling pole rotates rear accuracy of reading at every turn, thus adapt to the spirit-leveling instrument of evolution, ensure the degree of accuracy measured.
As shown in Figure 4, this levelling pole and Building's Subsidence Survey point 6 with the use of time, when turning point contact base 3 being placed on Building's Subsidence Survey point 6, and guarantee that the sidepiece turning point contact groove 3-5 on turning point contact base 3 is that ball pivot coordinates with the ball contact 6-1 on Building's Subsidence Survey point 6, coordinated with the ball pivot of described ball contact 6-1 by sidepiece turning point contact groove 3-5, guarantee that the relative Building's Subsidence Survey point 6 of turning point contact base 3 can not be moved, this levelling pole central point can not be offset, turning point contact base 3 can be made again to rotate around ball contact 6-1 simultaneously, guarantee that this levelling pole rotates rear accuracy of reading at every turn, thus adapt to the spirit-leveling instrument of evolution, ensure the degree of accuracy measured.
In the present embodiment, this levelling pole can solve measurement of the level carry out turn station measure time levelling pole turn face at every turn after because of levelling pole left and right deviation, levelling pole central point occur skew and cause the error being difficult to avoid and then the problem causing read untrue, and ensure that when building settlement monitoring, contact position each with Building's Subsidence Survey point 6 bottom levelling pole is unique, enhances the reliability of data; Install circular bubble 2 in bottom in addition, also can make when monitoring point is higher, staffman can according to the circular bubble 2 of bottom righting levelling pole as much as possible; Solve the problem that mis-tie easily transfinites because holding up chi reason when high-acruracy survey.
As shown in Figure 2, the upper surface of described turning point contact base 3 offers the draw-in groove 3-1 inserted for levelling pole body 1 lower end, the left side of described turning point contact base 3 offers the first threaded hole 3-2, is provided with the first gib screw 4 stretching into described levelling pole body 1 in described first threaded hole 3-2; The right side opening of described turning point contact base 3 is provided with the second threaded hole 3-3, is provided with the second gib screw stretching into described levelling pole body 1 in described second threaded hole 3-3.
In the present embodiment, by levelling pole body 1 and draw-in groove 3-1 snap-fit, and the connected mode of gib screw, can guarantee that levelling pole body 1 is connected with the firm of turning point contact base 3.
As shown in Figure 2, the quantity of described sidepiece turning point contact groove 3-5 is two, one of them sidepiece turning point contact groove 3-5 is positioned at the left side of described middle turning point contact groove 3-4, and another sidepiece turning point contact groove 3-5 is positioned at the right side of described middle turning point contact groove 3-4.By arranging two sidepiece turning point contact groove 3-5, this levelling pole is used relatively more flexible, two sidepiece turning point contact groove 3-5 can select one and use.
As shown in Figure 2, the quantity of described first threaded hole 3-2 and the quantity of the second threaded hole 3-3 are two, and two described first threaded hole 3-2 and two described second threaded hole 3-3 all lay along the short transverse of described turning point contact base 3.
As shown in Figure 2, described turning point contact base 3 is square.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. the levelling pole that can accurately locate, it is characterized in that: comprise levelling pole body (1) and for contacting with levelling pole foot pin (5) or Building's Subsidence Survey point (6) the turning point contact base (3) coordinated, described turning point contact base (3) is fixedly mounted on the lower end of described levelling pole body (1), the middle part of the lower surface of described turning point contact base (3) is provided with for contacting groove (3-4) with the middle turning point that protruding point (5-1) ball pivot on levelling pole foot pin (5) coordinates, the sidepiece of the lower surface of described turning point contact base (3) is provided with for contacting groove (3-5) with the sidepiece turning point that ball contact (6-1) ball pivot of Building's Subsidence Survey point (6) coordinates, described middle turning point contact groove (3-4) contacts groove (3-5) and is semisphere with sidepiece turning point, the bottom of described levelling pole body (1) is provided with circular bubble (2).
2. a kind of levelling pole that can accurately locate according to claim 1, it is characterized in that: the upper surface of described turning point contact base (3) offers the draw-in groove (3-1) inserted for levelling pole body (1) lower end, the left side of described turning point contact base (3) offers the first threaded hole (3-2), is provided with the first gib screw (4) stretching into described levelling pole body (1) in described first threaded hole (3-2); The right side opening of described turning point contact base (3) is provided with the second threaded hole (3-3), is provided with the second gib screw stretching into described levelling pole body (1) in described second threaded hole (3-3).
3. a kind of levelling pole that can accurately locate according to claim 1, it is characterized in that: the quantity of described sidepiece turning point contact groove (3-5) is two, one of them sidepiece turning point contact groove (3-5) is positioned at the left side of described middle turning point contact groove (3-4), and another sidepiece turning point contact groove (3-5) is positioned at the right side of described middle turning point contact groove (3-4).
4. a kind of levelling pole that can accurately locate according to claim 2, it is characterized in that: the quantity of described first threaded hole (3-2) and the quantity of the second threaded hole (3-3) are two, two described first threaded holes (3-2) and two described second threaded holes (3-3) are all laid along the short transverse of described turning point contact base (3).
5. a kind of levelling pole that can accurately locate according to claim 1, is characterized in that: described turning point contact base (3) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277407.9U CN204575055U (en) | 2015-04-30 | 2015-04-30 | A kind of levelling pole that can accurately locate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277407.9U CN204575055U (en) | 2015-04-30 | 2015-04-30 | A kind of levelling pole that can accurately locate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575055U true CN204575055U (en) | 2015-08-19 |
Family
ID=53867678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277407.9U Expired - Fee Related CN204575055U (en) | 2015-04-30 | 2015-04-30 | A kind of levelling pole that can accurately locate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204575055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052638A (en) * | 2016-06-13 | 2016-10-26 | 大连圣博尔测绘仪器科技有限公司 | Leveling staff support capable of being combined and carried with staff |
| CN107796362A (en) * | 2017-12-14 | 2018-03-13 | 柳州吉辉机械设计有限公司 | A kind of self-supporting type leveling rod |
-
2015
- 2015-04-30 CN CN201520277407.9U patent/CN204575055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052638A (en) * | 2016-06-13 | 2016-10-26 | 大连圣博尔测绘仪器科技有限公司 | Leveling staff support capable of being combined and carried with staff |
| WO2017215499A1 (en) * | 2016-06-13 | 2017-12-21 | 大连圣博尔测绘仪器科技有限公司 | Levelling measuring ruler pad capable of being carried in combination with ruler |
| CN107796362A (en) * | 2017-12-14 | 2018-03-13 | 柳州吉辉机械设计有限公司 | A kind of self-supporting type leveling rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160430 |