CN220136184U - Accurate measuring device - Google Patents

Accurate measuring device Download PDF

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Publication number
CN220136184U
CN220136184U CN202321719517.7U CN202321719517U CN220136184U CN 220136184 U CN220136184 U CN 220136184U CN 202321719517 U CN202321719517 U CN 202321719517U CN 220136184 U CN220136184 U CN 220136184U
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CN
China
Prior art keywords
base
measuring
tape
tape measure
needle
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Application number
CN202321719517.7U
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Chinese (zh)
Inventor
鲁科学
徐征
赵金涛
李晓克
蒋子琴
万军峰
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Henan Sitong Engineering Testing Co ltd
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Henan Sitong Engineering Testing Co ltd
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Priority to CN202321719517.7U priority Critical patent/CN220136184U/en
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Publication of CN220136184U publication Critical patent/CN220136184U/en
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Abstract

An accurate measuring device comprises a tape capable of automatically winding, a base and a measuring needle; the base is of a T-shaped structure, a tape is arranged at the position where the long rod and the short rod of the base are correspondingly connected, and the extending end of the tape body is correspondingly and fixedly connected with the base; one side of the tape measure corresponding to the base long rod is provided with a measuring needle which is correspondingly parallel to the base long rod; the two ends of the base short rod are vertically connected with adjusting bolts for adjusting the levelness of the base through threads, and the adjusting bolts penetrate through the base, and a level bubble for indicating the levelness of the base is arranged at a position between the base short rod and the two adjusting bolts; the measuring tape is provided with the measuring needle which is parallel to the long rod of the base, namely the measuring needle can be aligned to the standard center of the total station or the prism measuring instrument during measurement, accurate measurement is convenient, the initial reading of the measuring tape is the thickness of the base, the height calculation is avoided during measurement, and the measurement is rapid and convenient.

Description

Accurate measuring device
Technical Field
The utility model relates to the technical field of engineering construction measurement, in particular to an accurate measuring device.
Background
In precision measurement work, it is often required to accurately measure the total station instrument height or the prism measuring instrument height, that is, the height from the center of a control point of the measuring instrument to the labeling center of the total station instrument or the prism measuring instrument, and the conventional measuring method is to directly measure with a steel tape, which has the following defects: 1. because the control point center and the marking center of the total station or the prism measuring instrument are not arranged on a plumb line, the deviation is 5 cm to 10cm, and the measured distance has obvious error; 2. the measuring path is an arc with a convex middle part when the total station and the prism measuring instrument are in measurement, so that the measuring error is further increased; therefore, it is highly desirable to design a measuring device capable of ensuring that the height from the center of the control point of the measuring instrument to the marking center of the total station or the prism measuring instrument can be measured rapidly and accurately in the vertical state of the tape body.
Disclosure of Invention
In order to overcome the defects in the background technology, the utility model discloses an accurate measuring device.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
an accurate measuring device comprises a tape capable of automatically winding, a base and a measuring needle; the base is of a T-shaped structure, a tape is arranged at the position where the long rod and the short rod of the base are correspondingly connected, and the extending end of the tape body is correspondingly and fixedly connected with the base; one side of the tape measure corresponding to the base long rod is provided with a measuring needle which is correspondingly parallel to the base long rod; the two ends of the base short rod are vertically and screwed with adjusting bolts for adjusting the levelness of the base, the adjusting bolts penetrate through the base, and a level bubble for indicating the levelness of the base is arranged at the position between the base short rod and the two adjusting bolts.
Preferably, the needle is a telescopic rod with adjustable and positionable length.
Preferably, the measuring needle is detachably connected with the tape measure.
Preferably, one side of the tape measure, which is away from the measuring needle, is provided with a laser lamp capable of projecting the cross target downwards, and a cross target mark is arranged below the top of the base, which corresponds to the laser lamp.
Preferably, a pull ring is arranged at the top of the tape measure.
Preferably, the top end of the adjusting bolt is provided with an adjusting handle.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the accurate measuring device disclosed by the utility model has the advantages that the structure is simple, the measurement is convenient and quick, the base is of a T-shaped structure, the base can be placed at the bottom of the tripod of the total station or the prism measuring instrument when in use, the long rod body of the base is positioned on the control point of the total station or the prism measuring instrument, the standard center height of the total station or the prism measuring instrument can be measured by elongating the tape measure, the self weight of the base is ensured to be larger than the automatic winding force of the tape measure, and the base is prevented from being brought up by the tape measure in the measurement process, so that the base is prevented from being accidentally shifted; one side of the measuring tape corresponding to the base long rod is provided with a measuring needle which is parallel to the base long rod, namely, the measuring needle can be aligned to the standard center of the total station or the prism measuring instrument during measurement, accurate measurement is convenient, the initial reading of the measuring tape is the thickness of the base, the measuring tape can be prevented from being measured, and the height calculation is also needed, so that the measurement is rapid and convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the tape measure in an extended configuration;
fig. 4 is a schematic view of the usage state of the present utility model.
In the figure: 1. a base; 2. a tape measure; 3. measuring a needle; 4. adjusting a bolt; 5. a vial; 6. a laser lamp; 7. and (5) a pull ring.
Description of the embodiments
The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
Embodiment 1, with reference to fig. 1 to 4, an accurate measuring device comprises a tape measure 2 capable of automatically winding up, a base 1 and a measuring needle 3; the base 1 is of a T-shaped structure, the position, corresponding to the connection between the long rod and the short rod, of the base 1 is provided with the tape measure 2, the extending end of the tape measure 2 is correspondingly and fixedly connected with the base 1, the base 1 can be placed at the bottom of a tripod of the total station or the prism measuring instrument when in use, the long rod of the base 1 is positioned on a control point of the total station or the prism measuring instrument, the standard center height of the total station or the prism measuring instrument can be measured by the tape measure 2, the weight of the base 1 is ensured to be larger than the automatic winding force of the tape measure 2, and the base 1 is prevented from being lifted by the tape measure 2 in the measuring process, so that the base 1 is accidentally shifted; the measuring needle 3 which is parallel to the long rod of the base 1 is arranged on one side of the measuring tape 2 corresponding to the long rod of the base 1, namely the measuring needle 3 can be aligned with the standard center of the total station or the prism measuring instrument during measurement, accurate measurement is convenient, the initial reading of the measuring tape 2 is the thickness of the base 1, the height calculation is avoided during measurement, and the measurement is rapid and convenient;
the two ends of the short rod of the base 1 are vertically connected with adjusting bolts 4 for adjusting the levelness of the base 1 through vertical threads, the adjusting bolts 4 penetrate through the base 1, a level bubble 5 for indicating the levelness of the base 1 is arranged at a position between the two adjusting bolts 4 corresponding to the short rod of the base 1, namely whether the base 1 is level or not can be observed through the level bubble 5 before measurement, and if the base 1 is not in a level state, the base 1 can be adjusted to the level state through screwing the corresponding adjusting bolts 4; the adjusting handle is arranged at the top end of the adjusting bolt 4, so that the adjusting bolt 4 can be conveniently screwed, and the convenience of adjustment is improved.
Embodiment 2, with reference to fig. 1 to 4, is a precise measuring device, which is different from embodiment 1 in that, based on embodiment 1, the measuring needle 3 is a telescopic rod with adjustable and positionable length, i.e. the length of the measuring needle 3 can be adjusted according to different specifications of the total station or the prism measuring instrument, so that precise indication is facilitated; the measuring needle 3 is detachably connected with the tape 2, namely, the measuring needle 3 can be taken down to be stored independently when not used for a long time, so that accidental bending of the measuring needle 3 is avoided.
In the embodiment 3, referring to fig. 1 to 4, an accurate measuring device is provided, on the basis of embodiment 1 or 2, a laser lamp 6 capable of projecting a cross target downwards is arranged on a side of the tape measure 2 away from the measuring needle 3, and a cross target mark is arranged below the top of the base 1 corresponding to the laser lamp 6, that is, the overlapping of the cross target projected by the laser lamp 6 and the cross target mark on the base 1 is ensured during measurement, so that the vertical tape measure 2 can be effectively ensured, and the measurement accuracy is further ensured; the pull ring 7 is arranged at the top of the tape measure 2, namely, the tape measure 2 can be pulled through the pull ring 7 during measurement, and the operation is more convenient.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.

Claims (6)

1. An accurate measuring device comprises a tape measure (2) capable of automatically winding, and is characterized in that: the device also comprises a base (1) and a measuring needle (3); the base (1) is of a T-shaped structure, a tape measure (2) is arranged at a position where the long rod and the short rod of the base (1) are correspondingly connected, and the extending end of the tape measure (2) is correspondingly and fixedly connected with the base (1); one side of the tape measure (2) corresponding to the long rod of the base (1) is provided with a measuring needle (3) which is parallel to the long rod of the base (1); the adjusting bolts (4) used for adjusting the levelness of the base (1) are vertically and in threaded connection with two ends of the short rod of the base (1), the adjusting bolts (4) penetrate through the base (1), and a level bubble (5) used for indicating the levelness of the base (1) is arranged at a position between the two adjusting bolts (4) corresponding to the short rod of the base (1).
2. The precise measuring device of claim 1, wherein: the needle (3) is a telescopic rod with adjustable and positionable length.
3. The precise measuring device according to claim 1 or 2, characterized in that: the measuring needle (3) is detachably connected with the tape measure (2).
4. The precise measuring device of claim 1, wherein: one side of the tape measure (2) deviating from the measuring needle (3) is provided with a laser lamp (6) capable of projecting a cross target downwards, and a cross target mark is arranged below the base (1) top corresponding to the laser lamp (6).
5. The precise measuring device of claim 1, wherein: a pull ring (7) is arranged at the top of the tape measure (2).
6. The precise measuring device of claim 1, wherein: the top end of the adjusting bolt (4) is provided with an adjusting handle.
CN202321719517.7U 2023-07-03 2023-07-03 Accurate measuring device Active CN220136184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321719517.7U CN220136184U (en) 2023-07-03 2023-07-03 Accurate measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321719517.7U CN220136184U (en) 2023-07-03 2023-07-03 Accurate measuring device

Publications (1)

Publication Number Publication Date
CN220136184U true CN220136184U (en) 2023-12-05

Family

ID=88954583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321719517.7U Active CN220136184U (en) 2023-07-03 2023-07-03 Accurate measuring device

Country Status (1)

Country Link
CN (1) CN220136184U (en)

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