CN109596100B - Rotary double-sided leveling rod - Google Patents
Rotary double-sided leveling rod Download PDFInfo
- Publication number
- CN109596100B CN109596100B CN201811409989.6A CN201811409989A CN109596100B CN 109596100 B CN109596100 B CN 109596100B CN 201811409989 A CN201811409989 A CN 201811409989A CN 109596100 B CN109596100 B CN 109596100B
- Authority
- CN
- China
- Prior art keywords
- groove
- base
- measuring scale
- sided
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/26—Details
- G01C9/28—Mountings
Landscapes
- Physics & Mathematics (AREA)
- 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 discloses a rotary double-sided leveling rod, which belongs to the field of leveling rods and comprises a first measuring scale and a second measuring scale which are positioned on the upper side of a base, a connecting rotating shaft is rotatably connected between the first measuring scale and the second measuring scale, the upper end of the connecting rotating shaft is provided with a mounting groove, the inner wall of the mounting groove is connected with a micro-bubble level gauge, the center of the upper end of the base is provided with a rotating groove, a rotating mechanism is arranged in the rotating groove, the lower end of the connecting rotating shaft is connected with the rotating mechanism, the side ends of the first measuring scale and the second measuring scale are both connected with a positioning plate, the upper end of the base is provided with an annular groove, the structure is simple, the levelness of the double-sided leveling rod can be simply and rapidly adjusted, the angle of the double-sided leveling rod can be adjusted by three hundred sixty degrees, the multi-angle measurement is convenient, and the levelness of the, the measurement process is accelerated, and the measurement accuracy is high.
Description
Technical Field
The invention relates to the field of leveling rulers, in particular to a rotary double-sided leveling ruler.
Background
Leveling, also known as geometric leveling, is a method of measuring the difference in height between two points on the ground using a level gauge and a leveling rod. A level is arranged between two points on the ground, a leveling staff erected on the two points is observed, and the height difference between the two points is calculated according to the reading on the staff. The elevation of each point is typically determined from station to station along a selected leveling route, starting from the leveling origin or any known elevation point. The line of the double-sided leveling rod divides the precise leveling rod into two divisions of l0mm and 5 mm. The precision leveling staff with the division value of l0mm has two rows of divisions, the division mark on the right side of the staff surface is from 0-300cm and is called basic division, the division mark on the left side is from 300-600cm and is called auxiliary division, the difference between the basic division and the auxiliary division reading at the same height is a constant and is called base-auxiliary difference, generally called ruler constant, and the precision leveling staff can be used for checking the reading correctness during leveling operation.
In the leveling work of traditional level measurement of two grades or higher grades, often there is the closed poor problem of transfiniting of discrepancy in elevation, can't satisfy the needs of engineering, adopt the method of reexamining this level route to this usually, this is not only time-consuming and energy-consuming, still face the improvement of working cost, the above-mentioned problem of improvement that two-sided levelling rod can be better, the inconvenient regulation of angle of current two-sided levelling rod, and in case carry out the regulation of angle, just make two-sided dipperstick easily lose the levelness, and the level of two-sided levelling rod self is the key of measuring accuracy, but the levelness of current two-sided levelling rod inconvenient control self, lead to measuring inaccurate, drag the measurement process slowly.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a rotary double-sided leveling rod which is simple in structure, can realize simple and quick adjustment of the levelness of the double-sided leveling rod, can adjust the double-sided leveling rod by three hundred and sixty degrees, is convenient for multi-angle measurement, does not influence the levelness of the double-sided leveling rod during adjustment, accelerates the measurement process and has high measurement accuracy.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A rotary double-sided leveling rod comprises a first measuring scale and a second measuring scale which are positioned on the upper side of a base, wherein a connecting rotating shaft is rotatably connected between the first measuring scale and the second measuring scale, a mounting groove is formed in the upper end of the connecting rotating shaft, a micro-bubble level gauge is connected to the inner wall of the mounting groove, an observation lens is connected to the notch of the mounting groove, a rotating groove is formed in the center of the upper end of the base, a rotating mechanism is arranged in the rotating groove, the lower end of the connecting rotating shaft is connected with the rotating mechanism, positioning plates are connected to the side ends of the first measuring scale and the second measuring scale respectively, an annular groove is formed in the upper end of the base, the annular groove surrounds the outer side of the connecting rotating shaft, a first threaded hole is formed in each positioning plate, a first fastening block is inserted in the first threaded hole, the lower end of the first fastening block is matched with the annular, simple structure can realize the levelness of the two-sided levelling rod of regulation of simple rapidity, can carry out the regulation of three hundred sixty degrees angles to two-sided levelling rod, makes things convenient for the multi-angle measurement, and can not influence the levelness of two-sided levelling rod self when adjusting for the measurement process, measurement accuracy is high.
Further, rotary mechanism includes flexible pipe and bearing, the outer lane of bearing and the inner wall fixed connection who rotates the groove, flexible pipe lower extreme and the inner circle fixed connection of bearing, flexible pipe upper end and connection pivot lower extreme fixed connection, the bearing setting is used for connecting the rotation of pivot, and the reciprocating of connecting the pivot can be realized in flexible setting.
Furthermore, extension spring is arranged on the inner side of the extension tube, the upper end and the lower end of the extension spring are respectively fixedly connected with the lower end of the connecting rotating shaft and the bottom of the rotating groove, the extension spring can play a downward tensile force on the connecting rotating shaft, the connecting rotating shaft is kept in a state of being abutted against the upper end of the base when not being subjected to upward tensile force, and the connecting rotating shaft is not easy to freely rotate to cause the originally set angle deviation.
Furthermore, the fixing mechanism comprises a plurality of threaded columns, a plurality of positioning grooves are formed in the lower end of the base, the positioning grooves evenly surround the base by taking the circle center of the base as the center, the threaded columns are respectively located in the positioning grooves and in threaded connection with the positioning grooves, the threaded columns are screwed, and the levelness of the double-sided leveling rod is adjusted.
Furthermore, a plurality of second threaded holes are chiseled in the side end of the base, the second threaded holes are respectively matched with the positioning grooves and communicated with the positioning grooves, a second fastening block is inserted into the second threaded holes, the second fastening block is unscrewed, the threaded column is screwed again, the levelness of the double-sided leveling rod is adjusted, and after the levelness is adjusted, the second fastening block is screwed down, the threaded column is fixed, and the horizontal adjustment is completed.
Furthermore, one tail end of the threaded column is conical, the other tail end of the threaded column is a floating plane, the inner bottom end of the positioning groove is also conical, and when the positioning groove is arranged on uneven soft ground, the conical tail end of the threaded column can be inserted into the ground to fix the double-sided leveling rod; when the floating surface is on a flat ground, the floating surface tail end of the threaded column can be placed on the ground; similarly, the second fastening block is unscrewed, the threaded column is screwed again, the levelness of the double-sided leveling rod is adjusted, and after the levelness is adjusted, the second fastening block is screwed down, the threaded column is fixed, and the horizontal adjustment is completed.
Further, be connected with first stopper on the first mounting block, first stopper is located the locating plate downside, and first stopper can guarantee that first mounting block can not break away from first screw hole, is difficult for losing, the constant head tank is close to and cuts a spacing groove on the lateral wall of second thread groove, the end-to-end connection of second mounting block has the second stopper, second stopper and spacing groove phase-match, second stopper can guarantee equally that the second mounting block can not break away from the second screw hole, is difficult for losing.
Furthermore, the inner bottom end of the annular groove is connected with a rubber pad, the surface of the rubber pad is coated with a wear-resistant coating, and anti-slip grains are engraved on the surface of the rubber pad, so that the friction force between the first fastening block and the rubber pad can be increased, and the first fastening block and the rubber pad are not easy to slip.
Further, the surface of base scribbles anticorrosive coating, is difficult for receiving the corruption, can prolong the service life, first dipperstick and second dipperstick are the glass steel material, and adopt the polyester glass steel, and polyester glass steel matter is light and hard, and the nonconducting, stable performance, mechanical strength is high, and recycle is few, and is corrosion-resistant.
Further, scale mark on first dipperstick and the second dipperstick is the nick formula, and the scale mark of nick formula is difficult by wearing and tearing, and the compaction has the phosphor strip in the nick, observes the operation under the dim condition of being convenient for.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme simple structure can realize the levelness of the two-sided levelling rod of regulation of simple rapidity, can carry out the regulation of three hundred sixty degrees angles to two-sided levelling rod, makes things convenient for the multi-angle measurement, and can not influence the levelness of two-sided levelling rod self when adjusting for measure the process, measurement accuracy is high.
(2) The rotating mechanism comprises a telescopic pipe and a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating groove, the lower end of the telescopic pipe is fixedly connected with the inner ring of the bearing, the upper end of the telescopic pipe is fixedly connected with the lower end of the connecting rotating shaft, the bearing is arranged for connecting the rotating shaft to rotate, and the telescopic pipe can move up and down when being connected with the rotating shaft.
(3) The extension tube is internally provided with an extension spring, the upper end and the lower end of the extension spring are respectively fixedly connected with the lower end of the connecting rotating shaft and the bottom of the rotating groove, and the extension spring can play a downward tensile force on the connecting rotating shaft, so that the connecting rotating shaft can keep a state of abutting against the upper end of the base when not subjected to an upward tensile force, and the connecting rotating shaft is not easy to freely rotate to cause the originally set angle deviation.
(4) The fixing mechanism comprises a plurality of threaded columns, a plurality of positioning grooves are formed in the lower end of the base, the positioning grooves evenly surround the base by taking the circle center of the base as the center, the threaded columns are respectively located in the positioning grooves and in threaded connection with the positioning grooves, the threaded columns are screwed, and the levelness of the double-sided leveling rod is adjusted.
(5) The base side is opened and chisels and is had a plurality of second screw holes, and a plurality of second screw holes are linked together with a plurality of constant head tank phase-matchs respectively and with the constant head tank, and the second fastening piece is inserted in the second screw hole, unscrews the second fastening piece, twists the screw thread post again, adjusts the levelness of this two-sided levelling rod, and after the adjustment level, screws up the second fastening piece, and fixed screw thread post accomplishes the level adjustment.
(6) One end of the threaded column is conical, the other end of the threaded column is a floating plane, the inner bottom end of the positioning groove is also conical, and when the double-sided leveling rod is arranged on an uneven soft ground, the conical end of the threaded column can be inserted into the ground to fix the double-sided leveling rod; when the floating surface is on a flat ground, the floating surface tail end of the threaded column can be placed on the ground; similarly, the second fastening block is unscrewed, the threaded column is screwed again, the levelness of the double-sided leveling rod is adjusted, and after the levelness is adjusted, the second fastening block is screwed down, the threaded column is fixed, and the horizontal adjustment is completed.
(7) Be connected with first stopper on the first mounting block, first stopper is located the locating plate downside, and first mounting block can be guaranteed to first stopper can not break away from first screw hole, is difficult for losing, cuts a spacing groove on the lateral wall that the spacing groove is close to the second thread groove, and the end-to-end connection of second mounting block has the second stopper, second stopper and spacing groove phase-match, and the second stopper can guarantee equally that the second mounting block can not break away from the second screw hole, is difficult for losing.
(8) The inner bottom end of the annular groove is connected with a rubber pad, the surface of the rubber pad is coated with a wear-resistant coating, and anti-slip lines are carved on the surface of the rubber pad, so that the friction force between the first fastening block and the rubber pad can be increased, and the first fastening block and the rubber pad are not easy to slip.
(9) The surface of base scribbles anticorrosive coating, is difficult for receiving the corruption, can prolong service life, and first dipperstick and second dipperstick are the glass steel material, and adopt the polyester glass steel, and polyester glass steel matter is light and hard, and the non-conducting, the stable performance, and mechanical strength is high, and recycle is few, and is corrosion-resistant.
(10) Scale marks on first dipperstick and the second dipperstick are the nick formula, and the scale mark of nick formula is difficult to be worn and torn, and the compaction has the phosphor strip in the nick, is convenient for observe the operation under the dim condition.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a perspective view at the base of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the structure at B in FIG. 3;
FIG. 6 is a schematic view of the structure at C in FIG. 3;
FIG. 7 is a schematic view of the structure of FIG. 3 at D;
FIG. 8 is a schematic structural view of the base of the present invention in a storage state.
The reference numbers in the figures illustrate:
the device comprises a base 1, a connecting rotating shaft 2, a first measuring scale 3, a second measuring scale 4, an observation lens 5, a first fastening block 6, a second fastening block 7, a threaded column 8, an annular groove 9, a positioning plate 10, a micro-bubble level meter 11, a mounting groove 12, a first limiting block 13, a tension spring 14, a positioning groove 15, a second limiting block 16, a bearing 17 and a telescopic pipe 18.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a rotary double-sided leveling rod comprises a first measuring ruler 3 and a second measuring ruler 4 which are arranged on the upper side of a base 1, wherein scale marks are engraved on the front and back surfaces of the first measuring ruler 3 and the second measuring ruler 4 according to manufacturing specifications to increase the measuring surface and facilitate the improvement of measuring efficiency and accuracy, a connecting rotating shaft 2 is rotatably connected between the first measuring ruler 3 and the second measuring ruler 4, referring to fig. 3 and 4, an installation groove 12 is bored at the upper end of the connecting rotating shaft 2, a micro-bubble level gauge 11 is connected on the inner wall of the installation groove 12, a person skilled in the art can select a micro-bubble level gauge 11 with a proper model according to needs, for example, the model is JKY/66/M314964, an observation lens 5 is connected at the notch of the installation groove 12, a rotating groove is bored at the center of the upper end of the base 1, a rotating mechanism is arranged in the rotating groove, the lower end of, the side of first dipperstick 3 and second dipperstick 4 all is connected with locating plate 10, please refer to fig. 2, base 1 upper end is excavated annular groove 9, annular groove 9 surrounds in connecting 2 outsides of pivot, please refer to fig. 5, locating plate 10 is last to be excavated there is first screw hole, first mounting block 6 has been inserted in the first screw hole, 6 lower extremes of first mounting block and annular groove 9 phase-match, 1 lower extreme of base is equipped with fixed establishment, moreover, the steam generator is simple in structure, can realize the levelness of the two-sided levelling rod of simple fast nature's regulation, can carry out the regulation of three hundred sixty degrees angles to two-sided levelling rod, make things convenient for the multi-angle measurement, and can not influence the levelness of two-sided levelling rod self during the regulation, accelerate the measurement process, the measurement accuracy is.
Referring to fig. 6, the rotating mechanism includes a telescopic tube 18 and a bearing 17, an outer ring of the bearing 17 is fixedly connected with an inner wall of the rotating groove, a lower end of the telescopic tube 18 is fixedly connected with an inner ring of the bearing 17, an upper end of the telescopic tube 18 is fixedly connected with a lower end of the connecting rotating shaft 2, the bearing 17 is configured to be connected with the rotating shaft 2 for rotation, and the telescopic tube 18 is configured to realize up-and-down movement of the connecting rotating shaft 2.
Referring to fig. 6, an extension spring 14 is disposed inside the extension tube 18, an upper end and a lower end of the extension spring 14 are respectively fixedly connected to a lower end of the connection rotation shaft 2 and a bottom of the rotation groove, the extension spring 14 can exert a downward pulling force on the connection rotation shaft 2, so that the connection rotation shaft 2 is kept in a state of abutting against an upper end of the base 1 when not being subjected to an upward pulling force, and the connection rotation shaft 2 is not easy to freely rotate to cause an original set angle deviation.
Referring to fig. 2 and 7, the fixing mechanism includes a plurality of screw columns 8, a plurality of positioning slots 15 are cut on the lower end of the base 1, the positioning slots 15 uniformly surround the base 1 around the center of the base 1, the screw columns 8 are respectively located in the positioning slots 15 and are in threaded connection with the positioning slots 15, and the screw columns 8 are screwed to adjust the levelness of the double-sided leveling rod.
Referring to fig. 2 and 7, a plurality of second threaded holes are chiseled on the side end of the base 1, the plurality of second threaded holes are respectively matched with the plurality of positioning grooves 15 and communicated with the positioning grooves 15, second fastening blocks 7 are inserted into the second threaded holes, the second fastening blocks 7 are unscrewed, the threaded columns 8 are screwed, the levelness of the double-sided leveling rod is adjusted, and after the levelness is adjusted, the second fastening blocks 7 are screwed, the threaded columns 8 are fixed, and the horizontal adjustment is completed.
Referring to fig. 7, one end of the threaded column 8 is tapered, the other end of the threaded column 8 is a floating plane, the inner bottom end of the positioning groove 15 is also tapered, and when the double-sided leveling rod is used on an uneven soft ground, the tapered end of the threaded column 8 can be inserted into the ground to fix the double-sided leveling rod; when the ground is flat, the floating end of the threaded column 8 can be placed on the ground; similarly, the second fastening block 7 is unscrewed, the threaded column 8 is screwed again, the levelness of the double-sided leveling rod is adjusted, and after the levelness is adjusted, the second fastening block 7 is screwed down, the threaded column 8 is fixed, and the horizontal adjustment is completed.
Please refer to fig. 5, a first limiting block 13 is connected to the first fastening block 6, the first limiting block 13 is located at the lower side of the positioning plate 10, the first limiting block 13 can ensure that the first fastening block 6 cannot be separated from the first threaded hole, and is not easy to lose, referring to fig. 7, a limiting groove is formed in the side wall of the positioning groove 15 close to the second threaded groove, a second limiting block 16 is connected to the end of the second fastening block 7, the second limiting block 16 is matched with the limiting groove, and the second limiting block 16 can also ensure that the second fastening block 7 cannot be separated from the second threaded hole, and is not easy to lose.
The inner bottom end of the annular groove 9 is connected with a rubber pad, the surface of the rubber pad is coated with a wear-resistant coating, and anti-slip lines are carved on the surface of the rubber pad, so that the friction force between the first fastening block 6 and the rubber pad can be increased, and the rubber pad is not easy to slip.
The surface of base 1 scribbles anticorrosive coating, is difficult for receiving the corruption, can prolong the service life, and first dipperstick 3 and second dipperstick 4 are the glass steel material, and adopt the polyester glass steel, and polyester glass steel matter is light and hard, and the non-conducting, the stable performance, and mechanical strength is high, and recycle is few, and is corrosion-resistant.
The scale mark on first dipperstick 3 and the second dipperstick 4 is the nick formula, and the scale mark of nick formula is difficult worn and torn, and the compaction has the phosphor strip in the nick, and the operation is observed under the dim condition of being convenient for
A rotary double-sided leveling rod is provided, and the using method comprises:
placing the double-sided leveling rod at a place to be measured, observing whether the double-sided leveling rod of the micro bubble level gauge 11 is horizontal or not through the observation lens 5, unscrewing the second fastening block 7, screwing the threaded column 8, adjusting the levelness of the double-sided leveling rod, screwing the second fastening block 7 after adjusting the levelness, fixing the threaded column 8, and completing horizontal adjustment; unscrewing a first fastening block 6 on one side of a first measuring scale 3, and dialing the first measuring scale 3 by hand, wherein the first measuring scale 3 rotates to an angle required by a user along a connecting rotating shaft 2; the first fastening block 6 on one side of the second measuring scale 4 is unscrewed, the second measuring scale 4 can be shifted by hand, and the second measuring scale 4 rotates to the angle required by a user along the connecting rotating shaft 2; the connecting rotating shaft 2 is pulled upwards, the connecting rotating shaft 2 upwards stretches the telescopic pipe 18, the stretching spring 14 stretches simultaneously, the lower end of the connecting rotating shaft 2 is far away from the base 1, and the connecting rotating shaft 2 can be rotated to the angle required by a user; when not using, can be convenient for accomodate along connecting 2 rotations of pivot to laminating mutually of first dipperstick 3 and second dipperstick 4.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a rotation type double-sided levelling rod which characterized in that: comprises a first measuring scale (3) and a second measuring scale (4) which are positioned on the upper side of a base (1), wherein a connecting rotating shaft (2) is rotatably connected between the first measuring scale (3) and the second measuring scale (4), a mounting groove (12) is formed in the upper end of the connecting rotating shaft (2), a micro-bubble level meter (11) is connected to the inner wall of the mounting groove (12), an observation lens (5) is connected to the notch of the mounting groove (12), a rotating groove is formed in the center of the upper end of the base (1), a rotating mechanism is arranged in the rotating groove, the lower end of the connecting rotating shaft (2) is connected with the rotating mechanism, positioning plates (10) are respectively connected to the side ends of the first measuring scale (3) and the second measuring scale (4), an annular groove (9) is formed in the upper end of the base (1), and the annular groove (9) surrounds the outer side of the connecting rotating shaft (, a first threaded hole is drilled in the positioning plate (10), a first fastening block (6) is inserted into the first threaded hole, the lower end of the first fastening block (6) is matched with the annular groove (9), and a fixing mechanism is arranged at the lower end of the base (1); the rotating mechanism comprises a telescopic pipe (18) and a bearing (17), the outer ring of the bearing (17) is fixedly connected with the inner wall of the rotating groove, the lower end of the telescopic pipe (18) is fixedly connected with the inner ring of the bearing (17), and the upper end of the telescopic pipe (18) is fixedly connected with the lower end of the connecting rotating shaft (2).
2. A rotary double-sided level bar as claimed in claim 1, wherein: an extension spring (14) is arranged on the inner side of the extension pipe (18), and the upper end and the lower end of the extension spring (14) are fixedly connected with the lower end of the connecting rotating shaft (2) and the bottom of the rotating groove respectively.
3. A rotary double-sided level bar as claimed in claim 1, wherein: the fixing mechanism comprises a plurality of threaded columns (8), a plurality of positioning grooves (15) are formed in the lower end of the base (1) in a chiseled mode, the positioning grooves (15) evenly surround the base (1) by taking the circle center of the base (1) as the center, and the threaded columns (8) are located in the positioning grooves (15) respectively and are in threaded connection with the positioning grooves (15).
4. A rotary double-sided level bar as claimed in claim 3, wherein: a plurality of second threaded holes are formed in the side end of the base (1) in a chiseled mode, the second threaded holes are respectively matched with the positioning grooves (15) and communicated with the positioning grooves (15), and second fastening blocks (7) are inserted into the second threaded holes.
5. A rotary double-sided level bar as claimed in claim 3, wherein: one tail end of the threaded column (8) is conical, the other tail end of the threaded column (8) is a floating plane, and the inner bottom end of the positioning groove (15) is also conical.
6. A rotary double sided level bar as claimed in claim 4, wherein: be connected with first stopper (13) on first fastening block (6), first stopper (13) are located locating plate (10) downside, the constant head tank (15) are close to the spacing groove of digging on the lateral wall of second thread groove, the end-to-end connection of second fastening block (7) has second stopper (16), second stopper (16) and spacing groove phase-match.
7. A rotary double-sided level bar as claimed in claim 1, wherein: the inner bottom end of the annular groove (9) is connected with a rubber pad, the surface of the rubber pad is coated with a wear-resistant coating, and anti-skid grains are carved on the surface of the rubber pad.
8. A rotary double-sided level bar as claimed in claim 1, wherein: the surface of base (1) scribbles anticorrosive coating, first dipperstick (3) and second dipperstick (4) are the glass steel material, and adopt the polyester glass steel.
9. A rotary double-sided level bar as claimed in claim 1 or 8, wherein: the scale marks on the first measuring scale (3) and the second measuring scale (4) are both in a nick type, and fluorescent strips are compacted in the nicks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811409989.6A CN109596100B (en) | 2018-11-23 | 2018-11-23 | Rotary double-sided leveling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811409989.6A CN109596100B (en) | 2018-11-23 | 2018-11-23 | Rotary double-sided leveling rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109596100A CN109596100A (en) | 2019-04-09 |
| CN109596100B true CN109596100B (en) | 2021-02-09 |
Family
ID=65959615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811409989.6A Active CN109596100B (en) | 2018-11-23 | 2018-11-23 | Rotary double-sided leveling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109596100B (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7197828B2 (en) * | 2005-05-31 | 2007-04-03 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method utilizing FPD chuck Z position measurement |
| US8621760B2 (en) * | 2008-11-10 | 2014-01-07 | Louis A. Norelli | Hands-free measuring instrument |
| CN102476254A (en) * | 2010-11-25 | 2012-05-30 | 大兴安岭电业局 | Wire-welding device for cable head |
| KR101204970B1 (en) * | 2012-06-12 | 2012-11-26 | 한국지질자원연구원 | clinometer, strike and dip angle method in using same |
| CN102853815A (en) * | 2012-10-04 | 2013-01-02 | 南京大五教育科技有限公司 | Automatic smoothening leveling ruler |
| KR101333312B1 (en) * | 2013-09-16 | 2013-11-27 | 주식회사대경지에스엠 | Leveling staff |
| CN204575062U (en) * | 2015-05-18 | 2015-08-19 | 李晋 | A kind of high precision indium steel ruler with slidingtype telescopic outrigger |
| CN204666139U (en) * | 2015-06-23 | 2015-09-23 | 国网山东省电力公司潍坊供电公司 | The level meter that can take measurement of an angle |
| CN105485127A (en) * | 2015-12-29 | 2016-04-13 | 武汉正通传动技术有限公司 | Nut for locking operation |
| CN206459648U (en) * | 2016-12-28 | 2017-09-01 | 山东科技大学 | A kind of self-supporting type leveling rod |
| CN206556636U (en) * | 2017-02-23 | 2017-10-13 | 苏州市八都建筑有限公司 | Levelling rod |
| CN206206950U (en) * | 2017-03-18 | 2017-05-31 | 刘安伟 | A kind of Surveying Engineering frame |
| CN207656755U (en) * | 2017-11-20 | 2018-07-27 | 中冶建设高新工程技术有限责任公司 | A kind of adjustable interior decoration cutting machine |
| CN108326655B (en) * | 2018-03-21 | 2019-10-01 | 靖江市长源液压机械有限公司 | A kind of grinding device of valve plate |
| CN108267117A (en) * | 2018-03-29 | 2018-07-10 | 北京恒华伟业科技股份有限公司 | Reversible rod |
-
2018
- 2018-11-23 CN CN201811409989.6A patent/CN109596100B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109596100A (en) | 2019-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201672897U (en) | Measuring tool for floor thickness | |
| CN109596100B (en) | Rotary double-sided leveling rod | |
| CN210036588U (en) | Movable fixing frame for high-speed static strain gauge | |
| CN207556527U (en) | One kind deep-cuts subgrade construction slope test ruler | |
| CN206944902U (en) | Wedge-shaped seamed edge depth measurement device | |
| CN215598398U (en) | Slope measuring device for land surveying and mapping convenient for observing and recording | |
| CN211601815U (en) | Mining engineering quality detector | |
| CN108680072B (en) | Bridge road surface is with multi-functional folding chi | |
| CN208563062U (en) | A kind of digital smoothness measuring equipment | |
| CN208720949U (en) | Drill pipe diameter analyzer | |
| CN206430725U (en) | A kind of universal reflective target measurement destination apparatus | |
| CN213274030U (en) | Length measurer for shaft sleeve in roller skate | |
| CN206656717U (en) | A kind of underworkings top plate measurement of higher degree Sopwith staff | |
| CN221297528U (en) | Measuring tool for controlling paving thickness of road structure base layer | |
| CN217442446U (en) | Building engineering measuring tool convenient to dismantle | |
| CN213928349U (en) | Drilling machine with measuring function | |
| CN218156139U (en) | Improved verticality observation scale | |
| CN218097763U (en) | Tunnel construction is prism base centering device for measurement | |
| CN212029060U (en) | Electromechanical engineering equipment fixing and positioning device | |
| CN219505743U (en) | Circle drawing auxiliary device for mathematical education | |
| CN110553626B (en) | Portable slope measuring instrument | |
| CN218327266U (en) | Clip type measuring instrument base | |
| CN217820433U (en) | Weather vane structure | |
| CN219015283U (en) | Engineering survey and drawing slide rule with multiple functions | |
| CN217276156U (en) | Template measuring guiding rule |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |