CN108088415B - Holding-free leveling rod - Google Patents
Holding-free leveling rod Download PDFInfo
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- CN108088415B CN108088415B CN201711335967.5A CN201711335967A CN108088415B CN 108088415 B CN108088415 B CN 108088415B CN 201711335967 A CN201711335967 A CN 201711335967A CN 108088415 B CN108088415 B CN 108088415B
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- rod
- sliding
- fixedly connected
- adjusting device
- leveling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention relates to the technical field of engineering measurement articles, in particular to a holding-free leveling rod, which comprises a leveling rod body, a fixing part, a sliding part and an adjusting device, wherein one side of the leveling rod body is a scale surface, the fixing part is cylindrical and is provided with a rectangular bayonet, the rectangular bayonet is fixedly connected with the non-scale surface of the leveling rod body, the side surface of the fixing part is provided with a sliding port, an annular groove is formed in the sliding port, one end of the sliding part is mutually wedged with the annular groove and is in sliding connection with the annular groove, the other end of the sliding part penetrates through the sliding port and is fixedly connected with the adjusting device, the adjusting device comprises a spherical hinge and a supporting rod, a spherical shell of the spherical hinge is fixedly connected with the sliding part, and a sphere of the spherical hinge is fixedly connected with the supporting rod. The holding-free leveling rod can be used for measuring without manual holding all the time, fine adjustment can be performed, the measured data are accurate, and the leveling origin of the wall edge can be measured.
Description
Technical Field
The invention relates to the technical field of engineering measurement articles, in particular to a holding-free leveling rod.
Background
In surveying and mapping, a level gauge is one of indispensable tools for transmitting elevation so as to establish a coordinated elevation system; in the construction industry, the level gauge plays an important role from early site leveling, foundation pit excavation to later main body construction until the whole project is finished. The leveling rod is an instrument for measuring the height difference between two points on the ground according to the leveling principle. At present, most leveling rods are made of wood, aluminum or glass fiber reinforced plastic, the length of the leveling rod is 3 meters, and two leveling rods are used as a pair and on two sides.
At present, the use of levelling rod is very general during leveling, especially the station number that needs to establish when carrying out leveling on a large scale is very many, and every station all need read foresight and twice reading of back vision, if come according to the conventionality, need artificial holding up the chi, place the bottom center of levelling rod in the original point of level earlier, both hands hold up the levelling rod and do not make it rock, because the levelling rod chi body has a take the altitude, weight is great, often can appear rocking holding up the levelling rod, even slight rocking also can lead to measured data to appear the deviation, the degree of accuracy reduces. Although the existing market has the support-free leveling rod, the positions of the original points of some leveling rods are established close to the wall edge, so that the leveling rods cannot be placed on the original points of the leveling rods; the accuracy is relatively difficult to transfer when present levelling rod adjusts vertically, can only carry out rough adjustment through swing levelling rod to the location can not be accurate completely, and the error can one step of accumulation, and reading is very probably transfinite when handling data at last, in case the reading transfinites, must retest, if not retest can influence the quality of measuring, and the retest can delay manpower and materials.
Disclosure of Invention
In order to solve the problems, the invention provides the holding-free leveling rod which can be used for measuring without manual holding all the time, can be used for fine adjustment, has accurate measurement data and can be used for measuring the level origin at the wall edge.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an exempt from to hold up levelling rod, includes the levelling rod body, levelling rod body one side is the scale face, still includes mounting, slider and adjusting device, the mounting is cylindrical and has seted up a rectangle bayonet socket, the rectangle bayonet socket with the non of levelling rod body scale face fixed connection, the side of mounting is equipped with a slip mouth, be equipped with an annular in the slip mouth, slider one end with the annular agree with each other merge with annular sliding connection, the slider other end with wear out the slip mouth and with adjusting device fixed connection, adjusting device is equipped with threely at least, adjusting device includes ball pivot and bracing piece, the spherical shell of ball pivot with slider fixed connection, the spheroid of ball pivot with bracing piece fixed connection.
Further, a bottom surface of mounting is equipped with fixed mouthful, fixed mouthful with the annular is switched on each other, the slider with the one end that the annular is connected is equipped with an external screw thread pole, external screw thread pole one end with slider fixed connection, the external screw thread pole other end passes fixed mouthful and with fixed mouthful sliding connection, the threaded rod is equipped with a nut, the nut is used for the restriction the slider slides.
Furthermore, the spherical hinge further comprises a locking device, wherein the locking device comprises an inner threaded rod and a screw, the inner threaded rod is in threaded connection with the screw, a through fixing hole is formed in a spherical shell of the spherical hinge, and the fixing hole is fixedly connected with the inner threaded rod.
Furthermore, the bottom end of the thread of the screw is provided with anti-slip glue.
Furthermore, the bracing piece includes adjusting pole, dead lever and fine setting ring, adjust pole one end with the spheroid fixed connection of ball pivot, the other end inlay insert in the dead lever, fine setting ring one end with adjust pole threaded connection, the other end with the dead lever rotates and is connected.
Furthermore, one end of the fixing rod, which is far away from the fine adjustment ring, is provided with an anti-skidding pointed end.
The leveling rod has the beneficial effects that the fixing piece is fixedly connected with three surfaces of the leveling rod, and the graduation surface of the leveling rod cannot be shielded by the fixing piece, so that the leveling rod is prevented from being shielded by the fixing piece in the leveling process; the structure that the sliding part is in sliding connection with the fixing part enables the supporting rod to support the leveling rod by adjusting the position of the sliding part even if the original point of the leveling rod is located close to the wall; the supporting rod is connected with the spherical hinge, so that the supporting angle of the supporting rod can be adjusted, and the adaptability of the holding-free leveling rod to a measuring place is further improved; the fine setting ring on the bracing piece can adjust the straightness that hangs down of levelling rod by a small margin, realizes the precision measurement.
Drawings
Fig. 1 is a schematic structural view of a holding-free leveling rod according to a preferred embodiment of the present invention.
FIG. 2 is a top view of a lift-free leveling rod in accordance with a preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an adjusting device of a free-holding leveling rod according to a preferred embodiment of the present invention.
In the figure, 1-level ruler body, 11-scale surface, 2-fixing piece, 21-rectangular bayonet, 22-sliding port, 23-annular groove, 24-fixing port, 3-connecting piece, 31-external thread rod, 32-nut, 4-adjusting device, 41-spherical hinge, 411-spherical shell, 412-sphere, 413-fixing hole, 42-supporting rod, 421-adjusting rod, 422-fixing rod, 423-fine adjusting ring, 43-threaded hole, 44-screw and 441-anti-slip glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, the leveling rod without holding of the present invention includes a leveling rod body 1, a fixing member 2, a sliding member 3, an adjusting device 4 and a locking device.
The leveling rod comprises a leveling rod body 1, a graduated surface 11, a fixing piece 2 and a rectangular bayonet 21, wherein the graduated surface 11 is arranged on one side of the leveling rod body 1, the fixing piece 2 is cylindrical and is provided with the rectangular bayonet 21, and the rectangular bayonet 21 is fixedly connected with the non-graduated surface 11 of the leveling rod body 1. Mounting 2 and levelling rod body 1's connection structure for scale face 11 can expose, avoids scale face 11 to be sheltered from, can't measure.
The side of the fixed part 2 is provided with a sliding opening 22, an annular groove 23 is arranged in the sliding opening 22, one end of the sliding part 3 is mutually matched with the annular groove 23 and is in sliding connection with the annular groove 23, and the other end of the sliding part 3 penetrates through the sliding opening 22 and is fixedly connected with the adjusting device 4. Adjusting device 4 can slide on mounting 2, even the level original point is in the position that is close to the wall, also can avoid the wall to block adjusting device 4 through the support that adjusting device 4's position realized levelling rod body 1 to the condition that levelling rod body 1 can't place at the level original point appears takes place.
A fixed port 24 is arranged on one bottom surface of the fixed part 2, the fixed port 24 is communicated with the annular groove 23, an external thread rod 31 is arranged at one end of the sliding part 3 connected with the annular groove 23, one end of the external thread rod 31 is fixedly connected with the sliding part 3, the other end of the external thread rod 31 penetrates through the fixed port 23 and is in sliding connection with the fixed port 24, and a nut 32 is arranged on the threaded rod 31 and is used for limiting the sliding of the sliding part 3. Under the effect of threaded rod 31 and nut 32, can be fixed with slider 3 to make adjusting device 4 fixed, avoid making adjusting device 4 the skew appear owing to slider 3's slip at the measuring in-process, lead to levelling rod body 1 to obtain perpendicularly.
In the present embodiment, there are three adjusting devices 4, each adjusting device 4 includes a spherical hinge 41 and a support rod 42, a spherical shell 411 of the spherical hinge 41 is fixedly connected to the sliding member 3, and a spherical body 412 of the spherical hinge 41 is fixedly connected to the support rod 42. The support rod 42 is free to rotate along with the spherical hinge 41, and when the level origin is at a position close to the wall, the position of the support rod 42 can be adjusted so that the support rod 42 can support the leveling rod body 1.
The locking device comprises an internal threaded rod 43 and a screw 44, the internal threaded rod 43 is in threaded connection with the screw 44, a through fixing hole 413 is formed in a spherical shell 411 of the spherical hinge 41, and the fixing hole 413 is fixedly connected with the internal threaded rod 43. Under the effect of internal thread pole 43 and screw 44, can be fixed ball shell 411 of ball pivot 41 and spheroid 412 of ball pivot 41, avoid at the measuring in-process, when ground frictional force is less, bracing piece 42 slides to lead to ball shell 411 and spheroid 412 to slide, make levelling rod body 1 skew, measured data appear the deviation. The bottom end of the thread of the screw 44 is provided with an anti-slip glue 441, and the anti-slip glue 441 can increase the friction between the screw 44 and the sphere 412.
The supporting rod 42 includes an adjusting rod 421, a fixing rod 422 and a fine adjusting ring 423, one end of the adjusting rod 421 is fixedly connected to the ball 412 of the ball hinge 41, the other end is embedded in the fixing rod 422, one end of the fine adjusting ring 423 is connected to the adjusting rod 421 by a screw thread, and the other end is rotatably connected to the fixing rod 422. The end of the fixing rod 422 away from the fine tuning ring 423 is provided with an anti-slip tip 424. When fine adjustment is performed, price increase of the adjusting rod 421 can be achieved by twisting the fine adjustment ring 423, which is convenient and fast.
During the use, according to the position of level initial point, transfer suitable position with mounting 2 and ball pivot 41 to make levelling rod body 1 be in approximate horizontally position, then wrench movement arbitrary two fine setting rings 423, until the level bubble of levelling rod body 1 is located the center, after the regulation finishes, no longer need hold up levelling rod body 1, guaranteed the stability of levelling rod body 1 moreover, at last only need wait to measure can.
Claims (3)
1. The utility model provides an exempt from to hold up levelling rod, includes levelling rod body (1), levelling rod body (1) one side is scale face (11), its characterized in that still includes mounting (2), slider (3) and adjusting device (4), mounting (2) are cylindrical and seted up a rectangle bayonet socket (21), rectangle bayonet socket (21) with the non of levelling rod body (1) scale face (11) fixed connection, the side of mounting (2) is equipped with a slip mouth (22), be equipped with an annular (23) in slip mouth (22), slider (3) one end with annular (23) agree with each other merge with annular (23) sliding connection, slider (3) other end with wear out slip mouth (22) and with adjusting device (4) fixed connection, adjusting device (4) are equipped with threely at least, the adjusting device (4) comprises a spherical hinge (41) and a supporting rod (42), a spherical shell (411) of the spherical hinge (41) is fixedly connected with the sliding part (3), and a sphere (412) of the spherical hinge (41) is fixedly connected with the supporting rod (42);
a fixing port (24) is formed in one bottom surface of the fixing piece (2), the fixing port (24) is communicated with the annular groove (23), an external threaded rod (31) is arranged at one end, connected with the annular groove (23), of the sliding piece (3), one end of the external threaded rod (31) is fixedly connected with the sliding piece (3), the other end of the external threaded rod (31) penetrates through the fixing port (24) and is in sliding connection with the fixing port (24), a nut (32) is arranged on the external threaded rod (31), and the nut (32) is used for limiting the sliding of the sliding piece (3);
the locking device comprises an inner threaded rod (43) and a screw (44), the inner threaded rod (43) is in threaded connection with the screw (44), a through fixing hole (413) is formed in a spherical shell (411) of the spherical hinge (41), and the fixing hole (413) is fixedly connected with the inner threaded rod (43);
the bracing piece (42) is including adjusting pole (421), dead lever (422) and fine setting ring (423), adjust pole (421) one end with spheroid (412) fixed connection of ball pivot (41), the other end inlay insert in dead lever (422), fine setting ring (423) one end with adjust pole (421) threaded connection, the other end with dead lever (422) rotate to be connected.
2. The free-standing leveling rod according to claim 1, wherein: the bottom end of the screw thread of the screw (44) is provided with anti-slip glue (441).
3. The free-standing leveling rod according to claim 1, wherein: and an anti-slip pointed end (424) is arranged at one end of the fixing rod (422) far away from the fine adjustment ring (423).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335967.5A CN108088415B (en) | 2017-12-14 | 2017-12-14 | Holding-free leveling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335967.5A CN108088415B (en) | 2017-12-14 | 2017-12-14 | Holding-free leveling rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108088415A CN108088415A (en) | 2018-05-29 |
| CN108088415B true CN108088415B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711335967.5A Active CN108088415B (en) | 2017-12-14 | 2017-12-14 | Holding-free leveling rod |
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| CN (1) | CN108088415B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307132A (en) * | 2018-12-04 | 2019-02-05 | 大连圣博尔测绘仪器科技有限公司 | The scale bipod in adjustable feet orientation |
| CN113252000A (en) * | 2021-05-20 | 2021-08-13 | 浙江博大测量工具有限公司 | Antistatic leveling rod and antistatic leveling bubble |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118696A1 (en) * | 1981-05-12 | 1982-12-02 | Friedrich Reif | Micro spirit level for accurate measurements of inclination and adjustments |
| CN202599403U (en) * | 2012-05-30 | 2012-12-12 | 南京信息工程大学 | Grade rod support |
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| CN108088415A (en) | 2018-05-29 |
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| CB03 | Change of inventor or designer information |
Inventor after: Huang Hao Inventor after: Huang Xiong Inventor after: He Zexian Inventor after: Liao Haojiang Inventor after: Wei Quan Inventor after: Jia Chuanwei Inventor after: Luo Zhiman Inventor after: Huang Shi Inventor after: Zhu Anjie Inventor after: Xu Hejun Inventor after: Chen Liyan Inventor after: Lan Piman Inventor after: Xin Qin Inventor after: Wei Feicen Inventor before: Huang Hao |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210107 Address after: 545000 52 Guantang Avenue, Liudong New District, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant after: LIUZHOU XUZHI AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 545001 No.268, Donghuan Avenue, Chengzhong District, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant before: LIUZHOU JIHUI MACHINERY DESIGN Co.,Ltd. |
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