CN107907054B - Accurate measuring device for horizontal distance between two points at low position - Google Patents
Accurate measuring device for horizontal distance between two points at low position Download PDFInfo
- Publication number
- CN107907054B CN107907054B CN201711324179.6A CN201711324179A CN107907054B CN 107907054 B CN107907054 B CN 107907054B CN 201711324179 A CN201711324179 A CN 201711324179A CN 107907054 B CN107907054 B CN 107907054B
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- horizontal rod
- horizontal
- leveling
- rotation center
- laser
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- 238000005259 measurement Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a device for precisely measuring a horizontal distance at two points at a low position, which comprises a leveling platform, a first horizontal rod and a second horizontal rod, wherein a plurality of leveling nuts are arranged on the bottom surface of the leveling platform, leveling bubbles are arranged on the upper surface of the leveling platform, the upper surface of the leveling platform is also rotationally connected with the first horizontal rod, the first horizontal rod can freely rotate around the leveling platform on a horizontal plane, the first horizontal rod and the second horizontal rod are rotationally connected through a rotation center and can be fastened through the rotation center, sliding grooves formed in the length direction are formed in the first horizontal rod and the second horizontal rod, the second horizontal rod can freely rotate around the rotation center relative to the first horizontal rod on the horizontal plane, the rotation center can freely slide back and forth on the sliding grooves of the first horizontal rod, scales are arranged on the second horizontal rod along the length direction, and laser emitters capable of sliding back and forth along the sliding grooves are arranged on the sliding grooves. The invention can accurately measure the horizontal distance between two points at the lower part of the foot of the measurer.
Description
Technical Field
The invention relates to a measuring device, in particular to a measuring device for measuring the horizontal distance between two points at the lower part.
Background
In engineering construction, it is often necessary to measure the horizontal distance between two points, and if the measurement is performed on a underfoot plane such as the ground, a lot of convenient and practical measuring tools are available. And no suitable tool exists for the two points to be measured at the deeper position under the foot of the measurer (for example, the measurer measures the distance between the two points at the bottom of the foundation pit above the deep foundation pit or the measurer measures the distance between the two points on the ground below the ground in the air or even between the two points on a certain height plane in the half-air).
Disclosure of Invention
The invention aims at: the device for accurately measuring the horizontal distance between two points at the lower part of the foot of a measurer can accurately measure the horizontal distance between two points at the lower part of the foot of the measurer.
The aim of the invention is achieved by the following technical scheme:
The utility model provides a two horizontal distance accurate measurement device in low, including leveling platform, first horizon bar and second horizon bar, leveling platform bottom surface is equipped with a plurality of leveling nuts, the table is equipped with the level bubble on the leveling platform, the table is still rotated on the leveling platform and is connected first horizon bar, first horizon bar can be around leveling platform at the horizontal plane free rotation, first horizon bar and second horizon bar pass through rotation center rotation and connect and can fasten through rotation center, first, all be equipped with the spout of seting up along length direction on the two horizon bars, the second horizon bar can revolute rotation center relative first horizon bar at the horizontal plane free rotation, and rotation center can make a round trip free slip on the spout of first horizon bar, be equipped with the scale along length direction on the second horizon bar, and be equipped with the laser emitter that can follow spout round trip slip on the spout, laser emitter's direction of emission is vertical down, rotation center is a hollow shaft, laser emitter is the centre bore of a vertical link up when the spout of second horizon bar slides to rotation center top, its laser that launches passes from the centre bore.
Alternatively, the laser emitter emits laser in the direction opposite to the chute on the second horizontal rod, and the laser energy passes through the chute.
Alternatively, the laser transmitter is provided with a reading indicating ruler, and the reading indicating ruler points to the scale positions. In this scheme, after moving the laser transmitter, the measured distance is determined from the scale reading pointed by the reading indicator.
Alternatively, the rotating center penetrates through the sliding grooves on the first horizontal rod and the second horizontal rod to rotationally connect the first horizontal rod and the second horizontal rod, and the sliding grooves on the first horizontal rod and the second horizontal rod can slide back and forth relative to the rotating center.
Optionally, the leveling platform further comprises a base, and the leveling platform is fixed on the base through a leveling nut. In the scheme, the base is provided with the counterweight, so that the leveling platform is the gravity center position of the whole device, and the whole device is ensured to be kept horizontal, in particular to the first horizontal rod and the second horizontal rod in the whole measuring process.
Alternatively, the base is round, the leveling platform is an equilateral triangle, the leveling nut is arranged at the triangular position of the equilateral triangle, and the first horizontal rod is rotationally connected to the center of the equilateral triangle.
The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the invention may be freely combined between choices (of non-conflicting choices) and with other choices as well. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
The working flow of the invention is as follows:
1. The device is placed near the first measuring point, and the leveling platform is leveled by utilizing the leveling nut to be matched with the leveling air bubble.
2. The first horizontal bar is rotated such that the first horizontal bar is oriented at the first measuring point.
3. The laser transmitter is moved along the chute of the second horizontal rod, so that the laser is aligned with the rotation center and passes through the center of the upper center hole of the laser transmitter, the second horizontal rod and the rotation center are moved along the chute of the first horizontal rod, the rotation center is positioned right above the first measuring point, and the position of the rotation center is fixed by aligning the laser with the first measuring point.
4. And moving the laser transmitter along the chute of the second horizontal rod, and rotating the second horizontal rod in a matching way to enable the laser to be aligned with a second measuring point, wherein the reading of the scale of the second horizontal rod position pointed by the reading indication ruler of the laser transmitter is the distance between two points to be measured.
The invention has the beneficial effects that: the horizontal distance between two points at the lower part of the foot of the measurer can be measured simply, rapidly and accurately.
Drawings
FIG. 1 is a schematic top view of an embodiment of the present invention;
FIG. 2 is a schematic front elevational view of an embodiment of the present invention;
FIG. 3 is a schematic side elevational view of an embodiment of the invention;
In the figure, 1 is the leveling platform, 2 is first horizon bar, 3 is the second horizon bar, 4 is the base, 5 is leveling nut, 6 is the level bubble, 7 is center of rotation, 8 is the spout, 9 is laser emitter, 10 is the centre bore, 11 is the reading instruction chi.
Detailed Description
The invention will be further described with reference to specific examples and figures.
Referring to fig. 1-3, a device for precisely measuring a horizontal distance between two points at a low position comprises a leveling platform 1, a first horizontal rod 2, a second horizontal rod 3 and a base 4, wherein a plurality of leveling nuts are arranged on the bottom surface of the leveling platform 1, and the leveling platform 1 is fixed on the base 4 through the leveling nuts 5. The leveling platform 1 is provided with a leveling bubble 6, the leveling platform 1 is also connected with the first horizontal rod 2 in a rotating mode, and the first horizontal rod 2 can freely rotate around the leveling platform 1 in a horizontal plane. Preferably, as shown in the drawings of the embodiment, the base 4 is circular, the leveling platform 1 is an equilateral triangle, the leveling nut 5 is arranged at the triangular position of the equilateral triangle, and the first horizontal rod 2 is rotatably connected to the center of the equilateral triangle. The first horizontal rod 2 and the second horizontal rod 3 are rotationally connected through the rotation center 7 and can be fastened through the rotation center 7, the first horizontal rod and the second horizontal rod are respectively provided with a sliding groove 8 which is arranged along the length direction, the second horizontal rod 3 can freely rotate in the horizontal plane around the rotation center 7 relative to the first horizontal rod 2, and the rotation center 7 can freely slide back and forth on the sliding grooves 8 of the first horizontal rod 2. Furthermore, the rotation center 7 can also penetrate through the sliding grooves 8 on the first horizontal rod 2 and the second horizontal rod 3 to rotationally connect the two, and the sliding grooves 8 on the first horizontal rod 2 and the second horizontal rod 3 can slide back and forth relative to the rotation center 7. The second horizontal rod 3 is provided with scales along the length direction, the chute 8 is provided with a laser emitter 9 which can slide back and forth along the chute 8, the laser emitter 9 is provided with a reading indicating ruler 11, and the reading indicating ruler 11 points to the scales. The laser emitter 9 is vertically downward in the emitting direction, the rotation center 7 is a hollow shaft, and a vertically penetrating center hole 10 is formed, and when the laser emitter 9 slides to above the rotation center 7 along the chute 8 of the second horizontal rod 3, the emitted laser passes through the center hole 10.
The working flow of the invention is as follows:
1. the device is placed near the first measuring point, and the leveling platform 1 is leveled by utilizing the leveling nut 5 and the leveling air bubble 6.
2. The first horizontal bar 2 is rotated such that the first horizontal bar 2 is in the direction of the first measuring point.
3. The laser transmitter 9 is moved along the chute 8 of the second horizontal bar 3 so that the laser is aligned with the rotation center 7 and passes through the center hole 10 on the laser, the second horizontal bar 3 and the rotation center 7 are moved along the chute 8 of the first horizontal bar 2, and the rotation center 7 is positioned right above the first measuring point, at this time, the laser is aligned with the first measuring point, and the position of the rotation center 7 is fixed.
4. The laser emitter 9 is moved along the chute of the second horizontal rod 3, and the second horizontal rod 3 is matched with rotation, so that the laser is aligned to a second measuring point, and at the moment, the reading of the scale of the position of the second horizontal rod 3 pointed by the reading indication ruler 11 of the laser emitter 9 is the distance between two points to be measured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The utility model provides a low two-point horizontal distance accurate measurement device which characterized in that: the laser leveling device comprises a leveling platform, a first horizontal rod and a second horizontal rod, wherein a plurality of leveling nuts are arranged on the bottom surface of the leveling platform, leveling bubbles are arranged on the upper surface of the leveling platform, the upper surface of the leveling platform is also rotationally connected with the first horizontal rod, the first horizontal rod can freely rotate around the leveling platform in the horizontal plane, the first horizontal rod and the second horizontal rod are rotationally connected through a rotation center and can be fastened through the rotation center, sliding grooves formed in the length direction are formed in the first horizontal rod and the second horizontal rod can freely rotate around the rotation center relative to the first horizontal rod in the horizontal plane, the rotation center can freely slide back and forth on the sliding grooves of the first horizontal rod, scales are arranged on the second horizontal rod in the length direction, a laser emitter capable of sliding back and forth along the sliding grooves is arranged on the sliding grooves, the transmission direction of the laser emitter is vertically downward, the rotation center is a hollow shaft, and laser emitted by the laser emitter passes through the central hole when sliding along the sliding grooves of the second horizontal rod to the rotation center; a reading indicating ruler is arranged on the laser transmitter and points to the scale positions;
the workflow of the measuring device is as follows:
a. placing the measuring device near a first measuring point of which the horizontal distance between two points is to be measured, and leveling the leveling platform by utilizing a leveling nut matched with a leveling bubble;
b. Rotating the first horizontal rod to enable the first horizontal rod to be in the direction of the first measuring point;
c. moving the laser emitter along the chute of the second horizontal rod to enable the laser to be aligned with the rotation center and pass through the center of the center hole on the laser emitter, moving the second horizontal rod and the rotation center along the chute of the first horizontal rod, enabling the rotation center to be positioned right above the first measuring point, aligning the laser with the first measuring point at the moment, and fixing the position of the rotation center;
d. And moving the laser transmitter along the chute of the second horizontal rod, and rotating the second horizontal rod in a matching way to enable the laser to be aligned with a second measuring point, wherein the reading of the scale of the second horizontal rod position pointed by the reading indication ruler of the laser transmitter is the distance between two points to be measured.
2. The low two-point horizontal distance accurate measurement device according to claim 1, wherein: the rotating center penetrates through the sliding grooves on the first horizontal rod and the second horizontal rod to rotationally connect the first horizontal rod and the second horizontal rod, and the sliding grooves on the first horizontal rod and the second horizontal rod can slide back and forth relative to the rotating center.
3. The low two-point horizontal distance accurate measurement device according to claim 1, wherein: the leveling platform is fixed on the base through a leveling nut.
4. A low two-point horizontal distance accurate measurement device according to claim 3 and characterized in that: the base is circular, and the leveling platform is equilateral triangle, and the triangle position of equilateral triangle is located to the leveling nut, and first horizon bar rotation is connected in equilateral triangle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324179.6A CN107907054B (en) | 2017-12-13 | 2017-12-13 | Accurate measuring device for horizontal distance between two points at low position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324179.6A CN107907054B (en) | 2017-12-13 | 2017-12-13 | Accurate measuring device for horizontal distance between two points at low position |
Publications (2)
| Publication Number | Publication Date |
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| CN107907054A CN107907054A (en) | 2018-04-13 |
| CN107907054B true CN107907054B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711324179.6A Active CN107907054B (en) | 2017-12-13 | 2017-12-13 | Accurate measuring device for horizontal distance between two points at low position |
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| CN203063427U (en) * | 2013-02-27 | 2013-07-17 | 龙飞 | Multifunctional angle-measuring ruler |
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| US9733079B2 (en) * | 2014-10-24 | 2017-08-15 | Li-Hua Lin | Double-bead horizontal and vertical spirit level, apparatus using the spirit level, and method of measuring distance and height by using the apparatus |
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| CN101544149A (en) * | 2009-04-28 | 2009-09-30 | 陕西科技大学 | Multifunctional drawing tool |
| CN101709942A (en) * | 2009-12-11 | 2010-05-19 | 奇瑞汽车股份有限公司 | Multifunctional height gauge |
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|---|---|
| CN107907054A (en) | 2018-04-13 |
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