CN220708381U - Ruler pad convenient for positioning vertical position of leveling rod - Google Patents
Ruler pad convenient for positioning vertical position of leveling rod Download PDFInfo
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- CN220708381U CN220708381U CN202322514390.1U CN202322514390U CN220708381U CN 220708381 U CN220708381 U CN 220708381U CN 202322514390 U CN202322514390 U CN 202322514390U CN 220708381 U CN220708381 U CN 220708381U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 89
- 239000010959 steel Substances 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 230000005484 gravity Effects 0.000 claims description 14
- 238000013507 mapping Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000000691 measurement method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a ruler pad convenient for positioning a leveling rod at a vertical position, which comprises a ruler pad body, wherein a ball groove is formed in the middle of the ruler pad body, a plurality of balls are uniformly arranged on the cambered surface of the inner wall of the ball groove, steel balls are arranged in the ball groove, and the steel balls are in rolling fit with the inner wall of the ball groove through the balls; only the top of the steel ball is exposed from the notch of the spherical groove, the steel ball is of a hollow structure, a balancing weight is arranged at the middle position of the bottom inside the steel ball, and a positioning rod is arranged at the middle position of the top outside the steel ball; the ruler pad is characterized in that a through groove penetrating through the ruler pad body and the ball groove along the radial direction of the ball groove is arranged in the ruler pad body, the through groove is symmetrical with the middle shaft of the ruler pad body, the through groove is divided into two parts by the ball groove, limiting mechanisms are arranged in the through grooves on two sides, the output ends of the limiting mechanisms are tightly attached to the ball groove, and the steel balls form limiting fit under the compression of the output ends of the limiting mechanisms on two sides. This patent automatic positioning vertical position assists mapping personnel to install the levelling rod fast.
Description
Technical Field
The utility model relates to the technical field of engineering surveying and mapping, in particular to a ruler pad convenient for positioning a leveling rod at a vertical position.
Background
At present, the most main method adopted for the round trip measurement of a measurement control network in line engineering in China is a full line round trip measurement method, a level stone burying point of 300 meters to 400 meters is arranged on the full line, the level gauge is adopted to conduct unidirectional measurement from a small pile number to a large pile number, collected data are subjected to full line height adjustment, if the adjustment exceeds a specified error value, the collected data are returned from the large pile number to the small pile number for return measurement, the collected data are subjected to high Cheng Pingcha again, an area where an over-standard error is located is obtained by analysis according to two measurement results, and in-area inspection correction is conducted. The full-line round trip measurement method has the advantages that the theoretical basis is sufficient, and the method is used all the time in China; the defects are that the required construction period is long, the unstable factors are more, and errors cannot be eliminated in time.
Because in the area with complex terrain, the task amount of the measuring personnel in the early stage of engineering is large, the physical power consumption is large, the line engineering is often tens of kilometers, the whole line round trip measurement is long, and the area where the problem is located is not easy to check. Under such conditions, a measurement control network level round trip synchronous measurement method has been developed.
However, in the whole-line round-trip measurement method or the measurement control network leveling round-trip measurement synchronous measurement method, a ruler pad is required to be frequently used in the mapping process, the measured position is not necessarily completely horizontal, the leveling staff is usually positioned at the vertical position by means of cooperation between reminding of a leveling staff and operation of the leveling staff in the case, mapping is completed, errors are unavoidable due to manual operation in the position determination process, and a large amount of time is required for each adjustment to carry out communication cooperation, so that the adjustment is troublesome.
Disclosure of Invention
The utility model aims to overcome the defects, provide the ruler pad which is convenient for positioning the vertical position of the leveling rod, automatically adjust the position and assist a surveying staff to quickly find the vertical position of the leveling rod, and solve the problems that errors exist due to manual operation and a great deal of time is required for searching and adjusting in the existing surveying and mapping process.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the ruler pad comprises a ruler pad body, wherein a ball groove is formed in the middle of the ruler pad body, a plurality of balls are uniformly arranged on the cambered surface of the inner wall of the ball groove, steel balls are arranged in the ball groove, and the steel balls form rolling fit with the inner wall of the ball groove through the balls;
only the top of the steel ball is exposed from the notch of the spherical groove, the steel ball is of a hollow structure, a balancing weight is arranged at the middle position of the bottom inside the steel ball, and a positioning rod is arranged at the middle position of the top outside the steel ball;
the ruler pad is characterized in that a through groove penetrating through the ruler pad body and the ball groove along the radial direction of the ball groove is arranged in the ruler pad body, the through groove is symmetrical with the middle shaft of the ruler pad body, the through groove is divided into two parts by the ball groove, limiting mechanisms are arranged in the through grooves on two sides, the output ends of the limiting mechanisms are tightly attached to the ball groove, and the steel balls form limiting fit under the compression of the output ends of the limiting mechanisms on two sides.
Preferably, the locating bar at the top of the steel ball remains upright when the ulnar head body remains horizontal.
More preferably, the centers of gravity of the steel ball and the balancing weight are coincident with the middle shaft of the steel ball, and the middle shafts of the positioning rod, the steel ball and the balancing weight are coincident.
Further, the positioning rod is embedded in an embedded hole formed in the middle position of the bottom of the leveling rod, when the positioning rod is embedded in the embedded hole, the leveling rod is parallel to the positioning rod, and the leveling rod can rotate around the positioning rod.
Preferably, the limiting mechanism comprises an electric cylinder embedded in the through groove, the electric cylinder is collinear with the through groove intermediate shaft, the output end of the electric cylinder moves in the through groove along the direction of the intermediate shaft, the output end of the electric cylinder is provided with a compression block, the fixed end of the electric cylinder is provided with a base, the base is clamped with the outer wall of the ruler pad body at the through groove, and four corners of the base are fixedly matched with the outer wall of the ruler pad body through fasteners.
More preferably, the compressing block is arc-shaped, and is matched with the outer wall of the steel ball, and the compressing block forms compression fit on two sides of the steel ball under the output of the electric cylinder.
Preferably, a hinge is arranged on one side of the ruler pad body, and a lifting handle is hinged to the side wall of the ruler pad body through the hinge.
More preferably, the bottom of the ruler pad body is uniformly provided with a plurality of conical legs around the middle shaft of the ruler pad body.
The utility model has the beneficial effects that:
1. according to the utility model, through the cooperation of the balancing weight, the steel ball and the positioning rod, the gravity center of the steel ball always tends to be vertical to the horizontal plane, and the steel ball automatically rotates in the ball groove through the ball to adjust the position, so that the positioning rod is finally stabilized at the vertical position, and the vertical position is conveniently and rapidly positioned;
2. according to the utility model, after the steel ball is stabilized, the steel ball is limited and fixed through the limiting mechanism, so that the stability of the leveling rod during installation is ensured, and the leveling rod is convenient to rapidly position and install.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the through slot of the body of the ulnar pad of the present utility model;
FIG. 4 is a schematic cross-sectional view of a steel ball of the present utility model;
FIG. 5 is a schematic view of the installation of the present utility model;
in the figure: 1. a ruler pad body; 2. a spherical groove; 3. a ball; 4. a steel ball; 5. balancing weight; 6. a positioning rod; 7. a limiting mechanism; 701. an electric cylinder; 702. a base; 703. a compaction block; 704. a fastener; 8. a through groove; 9. a hinge; 10. a lifting handle; 11. a tapered leg; 12. a leveling rod.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 5, as a preferred embodiment 1, a ruler pad for positioning a leveling rod in a vertical position comprises a ruler pad body 1, wherein a ball groove 2 is arranged in the middle of the ruler pad body 1, a plurality of balls 3 are uniformly arranged on the cambered surface of the inner wall of the ball groove 2, steel balls 4 are arranged in the ball groove 2, and the steel balls 4 form rolling fit with the inner wall of the ball groove 2 through the balls 3;
only the top of the steel ball 4 is exposed from the notch of the spherical groove 2, the steel ball 4 is of a hollow structure, a balancing weight 5 is arranged at the middle position of the bottom inside the steel ball 4, and a positioning rod 6 is arranged at the middle position of the top outside the steel ball 4;
the ruler pad is characterized in that a through groove 8 penetrating through the ruler pad body 1 and the spherical groove 2 along the radial direction of the spherical groove 2 is arranged in the ruler pad body 1, the through groove 8 is symmetrical about the middle shaft of the ruler pad body 1, the through groove 8 is divided into two parts by the spherical groove 2, limiting mechanisms 7 are arranged in the through grooves 8 on two sides, the output ends of the limiting mechanisms 7 are tightly attached to the spherical groove 2, and the steel balls 4 form limiting fit under the compression of the output ends of the limiting mechanisms 7 on two sides.
The embodiment 1 provides a ruler pad convenient for positioning a leveling rod in a vertical position, a ball groove 2 is arranged in the middle of a ruler pad body 1, a plurality of balls 3 are arranged on the inner wall of the cambered surface of the ball groove 2, and the balls 4 can roll at will in the ball groove 2 through the balls 3, so that the position of the balls 4 can be automatically adjusted conveniently;
the radius of the notch of the ball groove 2 is smaller than that of the steel ball 4, so that only the top of the steel ball 4 is exposed from the notch of the ball groove 2, the steel ball 4 is limited in the ball groove 2 to prevent falling out, the automatic rotation of the steel ball 4 is not affected, the steel ball 4 is of a hollow structure, the gravity center of the steel ball 4 always has a trend of overlapping with the gravity center of the balancing weight 5 to form a tumbler structure by arranging the balancing weight 5 in the steel ball 4, the other side of the steel ball 4 is provided with a positioning rod 6 for representing a vertical position, when the steel ball 4 rotates in the ball groove 2 due to the influence of gravity and is finally stable, the body of the ruler pad body 1 is not horizontal, the gravity center of the steel ball 4 can also be vertically directed to the horizontal plane, the position pointed by the positioning rod 6 is just the vertical position, and the vertical position of the leveling staff is assisted to quickly position, and the use is convenient;
and after the steel ball 4 is stable, the limit mechanism 7 is opened by utilizing the manual remote control, the limit mechanism 7 outputs along the through groove 8, and the steel ball 4 is rapidly clamped to be kept at the current position, so that the positioning and the installation of the subsequent leveling rod 12 are facilitated, and the steel ball 4 is prevented from rotating to enable the positioning rod 6 to deviate from the vertical position when the leveling rod 12 is installed.
As a preferred embodiment 2, the locating bar 6 at the top of the steel ball 4 remains upright when the ulnar head body 1 is held horizontally. In this case, in the initial state, when the subsequent ruler pad body 1 cannot be kept horizontal due to the mapping pad height, the steel ball 4 automatically rotates in the spherical groove 2 until stable, and the positioning rod 6 is kept vertical.
As shown in fig. 4, as a preferred embodiment 3, the centers of gravity of the steel ball 4 and the counterweight 5 coincide with the intermediate shaft of the steel ball 4, and the intermediate shafts of the positioning rod 6, the steel ball 4 and the counterweight 5 coincide. When the steel ball 4 is in a stable state, the positioning rod 6 is kept vertical, the whole gravity center of the device is vertical to the horizontal plane, and the vertical position is conveniently positioned.
As a preferred embodiment 4, the steel ball 4, the positioning rod 6 and the balancing weight 5 are integrally formed, so that the stability and the positioning accuracy of the steel ball 4 device are improved.
As shown in fig. 5, in a preferred embodiment 5, the positioning rod 6 is embedded in an embedded hole formed at a middle position of the bottom of the leveling rod 12, and after the positioning rod 6 is embedded in the embedded hole, the leveling rod 12 is parallel to the positioning rod 6, and the leveling rod 12 can rotate around the positioning rod 6. Ensuring that the leveling rod 12 and the positioning rod 6 are positioned at vertical positions, and facilitating the use and positioning of the leveling rod 12.
As shown in fig. 2 and fig. 3, as a preferred embodiment 6, the limiting mechanism 7 includes an electric cylinder 701 embedded in the through groove 8, the electric cylinder 701 is collinear with the middle shaft of the through groove 8, the output end of the electric cylinder 701 moves along the middle shaft direction in the through groove 8, the output end of the electric cylinder 701 is provided with a pressing block 703, the fixed end of the electric cylinder 701 is provided with a base 702, the base 702 is clamped with the outer wall of the ruler pad body 1 at the through groove 8, and four corners of the base 702 are fixedly matched with the outer wall of the ruler pad body 1 through fasteners 704. The steel ball 4 is ensured to be fixed after the automatic position adjustment is stabilized, and the steel ball 4 is prevented from changing position due to installation when the leveling rod 12 is installed, so that the positioning rod 6 is unstable and cannot realize the positioning function.
As a preferred embodiment 7, the pressing block 703 is arc-shaped, and the pressing block 703 is engaged with the outer wall of the steel ball 4, and the pressing block 703 forms a pressing fit on two sides of the steel ball 4 under the output of the electric cylinder 701. Strengthen the firm degree of the compression fit and prevent the steel ball 4 from generating relative displacement with the compression block.
As a preferred embodiment 8, a rubber pad is disposed on one side of the pressing block 703 near the steel ball 4, so as to improve friction force, ensure stability of fixation, and prevent damage to the steel ball 4, so that the center of gravity of the steel ball is shifted, and error is generated in positioning the vertical position.
As shown in fig. 1 to 3, as a preferred embodiment 9, a hinge 9 is provided on one side of the ruler pad body 1 as shown in the drawings, and a lifting handle 10 is hinged to the side wall of the ruler pad body 1 by the hinge 9. The movement of the ruler pad body 1 is facilitated.
As shown in fig. 1, as a preferred embodiment 10, the bottom of the ulnar pad body 1 is provided with a plurality of tapered legs 11 uniformly around the middle axis of the ulnar pad body 1. The placement stability of the ulnar cushion body 1 is ensured.
As a preferred embodiment 11, a plurality of the ruler pad bodies 1 can be used for simultaneous operation, when the first ruler pad body 1 is used for mapping, the subsequent staff can position the vertical position on the ruler pad body 1 of the subsequent detection point in advance, so that the rapid installation during the detection of the subsequent leveling rod 12 is facilitated, and the previous ruler pad body 1 can be recycled for the positioning of the rear detection point.
The working principle of the utility model is as follows:
the utility model provides a ruler pad convenient for positioning a leveling rod in a vertical position, wherein a ball groove 2 is arranged in the middle of a ruler pad body 1, a plurality of balls 3 are arranged on the inner wall of the cambered surface of the ball groove 2, and the balls 4 can roll at will in the ball groove 2 through the balls 3, so that the position of the balls 4 can be automatically adjusted conveniently;
the radius of the notch of the ball groove 2 is smaller than that of the steel ball 4, so that only the top of the steel ball 4 is exposed from the notch of the ball groove 2, the steel ball 4 is limited in the ball groove 2 to prevent falling out, the automatic rotation of the steel ball 4 is not affected, the steel ball 4 is of a hollow structure, the gravity center of the steel ball 4 always has a trend of overlapping with the gravity center of the balancing weight 5 to form a tumbler structure by arranging the balancing weight 5 in the steel ball 4, the other side of the steel ball 4 is provided with a positioning rod 6 for representing a vertical position, when the steel ball 4 rotates in the ball groove 2 due to the influence of gravity and is finally stable, the body of the ruler pad body 1 is not horizontal, the gravity center of the steel ball 4 can also be vertically directed to the horizontal plane, the position pointed by the positioning rod 6 is just the vertical position, and the vertical position of the leveling staff is assisted to quickly position, and the use is convenient;
and after the steel ball 4 is stable, the limit mechanism 7 is opened by utilizing the manual remote control, the limit mechanism 7 outputs along the through groove 8, and the steel ball 4 is rapidly clamped to be kept at the current position, so that the positioning and the installation of the subsequent leveling rod 12 are facilitated, and the steel ball 4 is prevented from rotating to enable the positioning rod 6 to deviate from the vertical position when the leveling rod 12 is installed.
Claims (8)
1. The ruler pad is convenient for positioning a leveling rod at a vertical position and comprises a ruler pad body (1), and is characterized in that a ball groove (2) is formed in the middle of the ruler pad body (1), a plurality of balls (3) are uniformly arranged on the cambered surface of the inner wall of the ball groove (2), steel balls (4) are arranged in the ball groove (2), and the steel balls (4) form rolling fit with the inner wall of the ball groove (2) through the balls (3);
only the top of the steel ball (4) is exposed from the notch of the spherical groove (2), the steel ball (4) is of a hollow structure, a balancing weight (5) is arranged at the middle position of the bottom inside the steel ball (4), and a positioning rod (6) is arranged at the middle position of the top outside the steel ball (4);
the ruler pad is characterized in that through grooves (8) penetrating through the ruler pad body (1) and the spherical grooves (2) along the radial direction of the spherical grooves (2) are formed in the ruler pad body (1), the through grooves (8) are symmetrical about the middle shaft of the ruler pad body (1), the through grooves (8) are divided into two parts by the spherical grooves (2), limiting mechanisms (7) are arranged in the through grooves (8) on two sides, the output ends of the limiting mechanisms (7) are tightly attached to the spherical grooves (2), and the steel balls (4) form limiting fit under the compression of the output ends of the limiting mechanisms (7) on two sides.
2. A ruler pad for facilitating positioning of a leveling rod in a vertical position according to claim 1, characterized in that the positioning rod (6) at the top of the steel ball (4) is kept vertical when the ruler pad body (1) is kept horizontal.
3. A ruler pad for facilitating positioning of a leveling rod in a vertical position according to claim 2, characterized in that the center of gravity of the steel ball (4) and the balancing weight (5) coincides with the middle shaft of the steel ball (4), and the middle shafts of the positioning rod (6), the steel ball (4) and the balancing weight (5) coincide.
4. A ruler pad for facilitating positioning of a leveling rod in a vertical position according to claim 3, wherein the positioning rod (6) is embedded in an embedded hole formed in the middle position of the bottom of the leveling rod (12), when the positioning rod (6) is embedded in the embedded hole, the leveling rod (12) is parallel to the positioning rod (6), and the leveling rod (12) can rotate around the positioning rod (6).
5. The ruler pad convenient for positioning the vertical position of the leveling rod according to claim 1, wherein the limiting mechanism (7) comprises an electric cylinder (701) embedded in the through groove (8), the electric cylinder (701) is collinear with a middle shaft of the through groove (8), an output end of the electric cylinder (701) moves in the through groove (8) along the middle shaft direction, a compression block (703) is arranged at the output end of the electric cylinder (701), a base (702) is arranged at the fixed end of the electric cylinder (701), the base (702) is clamped with the outer wall of the ruler pad body (1) at the position of the through groove (8), and four corners of the base (702) are fixedly matched with the outer wall of the ruler pad body (1) through fasteners (704).
6. The ruler pad for facilitating positioning of the leveling rod in the vertical position according to claim 5, wherein the pressing block (703) is arc-shaped, the pressing block (703) is matched with the outer wall of the steel ball (4), and the pressing block (703) forms pressing fit on two sides of the steel ball (4) under the output of the electric cylinder (701).
7. The ruler pad for facilitating positioning of the leveling staff to the vertical position according to any one of claims 1-6, wherein a hinge piece (9) is arranged on one side of the ruler pad body (1), and a lifting handle (10) is hinged to the side wall of the ruler pad body (1) through the hinge piece (9).
8. A ruler pad for facilitating positioning of a leveling rod in a vertical position according to claim 7, wherein the bottom of the ruler pad body (1) is evenly provided with a plurality of conical legs (11) around the middle shaft of the ruler pad body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322514390.1U CN220708381U (en) | 2023-09-15 | 2023-09-15 | Ruler pad convenient for positioning vertical position of leveling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322514390.1U CN220708381U (en) | 2023-09-15 | 2023-09-15 | Ruler pad convenient for positioning vertical position of leveling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708381U true CN220708381U (en) | 2024-04-02 |
Family
ID=90447983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322514390.1U Active CN220708381U (en) | 2023-09-15 | 2023-09-15 | Ruler pad convenient for positioning vertical position of leveling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708381U (en) |
-
2023
- 2023-09-15 CN CN202322514390.1U patent/CN220708381U/en active Active
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