CN217930283U

CN217930283U - Tumbler leveling rod

Info

Publication number: CN217930283U
Application number: CN202222299752.5U
Authority: CN
Inventors: 梁志荣; 贾海; 徐正; 阚二林; 陈佚梓; 钟建东; 周磊; 魏诚寅; 张志遥; 刘芸; 徐新丽; 何江洋; 袁祥; 贾旭
Original assignee: Shanghai Shen Yuan Geotechnical Co ltd
Current assignee: Shanghai Shen Yuan Geotechnical Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-29
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a tumbler levelling rod, be in including base and embedding chi body on the base, upper, middle and lower part in the chi body is equipped with upper plenum, well cavity, lower cavity respectively, the cavity intussuseption is filled with the balancing weight down, chi body one side is equipped with a air level. The utility model has the advantages that: the combination body of the base and the ruler body has the characteristic of 'upper light and lower heavy', and according to the tumbler principle, the leveling ruler can be automatically restored to a vertical balance state without manually supporting the ruler after being placed at a measuring point; an LED illuminating lamp strip is additionally arranged on the surface of the leveling rod, and the brightness of the lamp strip can be adjusted through a switch knob, so that the defects that the leveling rod is inaccurate in reading in environments with unstable illumination intensity and low visibility are overcome; need not artifical holding up the chi, reduce survey crew working strength, improve work efficiency. Especially in long-time measurement work, the adjusting and correcting time in the measurement process can be greatly shortened.

Description

Tumbler leveling rod

Technical Field

The utility model belongs to the technical field of leveling's technique and specifically relates to a tumbler levelling rod.

Background

With the increasing demand of space expansion of cities, urban constructors continuously refresh the height and depth of buildings on the ground and underground, and the projects are more and more, the construction process is more and more complex, and the requirements on the measurement precision and the efficiency are higher and higher. As a measuring method with the highest precision in surveying and mapping work, leveling is to use the reading difference on two leveling rods to calculate the height difference between two points, and then add the height difference between the two points according to the height of a known point to obtain the height of an unknown point, wherein the process can be completed by the cooperation of multiple persons. In the traditional measuring process, when an operator reads the test point in front of the level gauge, the operator needs to manually hold the leveling rod to keep the leveling rod in a vertical state until the reading of the test point is finished. However, when the workload is large, the manual ruler is difficult to maintain a strict vertical state, and the leveling rod often shakes; in addition, when the measurement is performed, for example, the light and shade of the field are not determined, the measurement reading is adversely affected, and therefore, a leveling rod which can automatically keep a vertical state and can read under the adverse condition of light needs to be designed. Therefore, aiming at the problems, the tumbler leveling rod needs to be developed so as to meet the requirement of actual surveying and mapping work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tumbler levelling rod according to above-mentioned prior art not enough, can form the tumbler structure between base and the chi body to realize straightening up of the automation of levelling rod.

The utility model discloses the purpose is realized accomplishing by following technical scheme:

the utility model provides a tumbler levelling rod which characterized in that: the ruler comprises a base and a ruler body embedded and fixed on the base, wherein an upper cavity, a middle cavity and a lower cavity are respectively arranged at the upper part, the middle part and the lower part in the ruler body, a balancing weight is filled in the lower cavity, and a level bubble is arranged at one side of the ruler body.

The front surface of the ruler body is marked with a bar code, and one side of the bar code is fixed with an illuminating component.

The lighting assembly comprises an LED lamp strip arranged in parallel to the bar code and a fastener used for fixing the LED lamp strip, and the length of the LED lamp strip is consistent with that of the bar code.

The base is integrally hemispherical and concave in section, and rectangular grooves with the shapes and the sizes matched with those of the ruler body are reserved in the center of the base, so that the ruler body is embedded and fixed on the base.

The hollow cavity is a battery compartment, and a battery module is installed in the battery compartment, and the battery module is connected with the lighting assembly through a switch circuit, so that the lighting assembly supplies energy.

The size of the upper cavity is larger than that of the lower cavity, and the size of the lower cavity is larger than that of the hollow cavity.

A switch knob is arranged on the outer side of the hollow cavity and arranged on the switch circuit.

The utility model has the advantages that:

1. the combination body of the base and the ruler body has the characteristic of 'top light bottom heavy', and according to the tumbler principle, after the leveling ruler is placed at a measuring point, the leveling ruler can automatically return to a vertical balance state without manually holding the ruler;

2. an LED illuminating lamp strip is additionally arranged on the surface of the leveling rod, and the brightness of the lamp strip can be adjusted through a switch knob, so that the defects that the leveling rod is inaccurate in reading in environments with unstable illumination intensity and low visibility are overcome;

3. need not artifical stabilizer, reduce survey crew working strength, improve work efficiency. Especially in long-time measurement work, the adjusting and correcting time in the measurement process can be greatly shortened.

Drawings

FIG. 1 is a schematic view of a tumbler leveling rod according to the present invention;

FIG. 2 is a schematic view of the base of the present invention;

fig. 3 is a schematic view of the ruler body of the present invention.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:

as shown in fig. 1-3, the marks 1-5 in the figures are respectively represented as a base 1, a rectangular groove 11, a ruler body 2, an upper cavity 21, a hollow cavity 22, a battery module 221, a switch knob 222, a lower cavity 23, a balancing weight 231, a bar code 3, a lighting assembly 4, an LED strip 41, a back adhesive 42, and a level bubble 5.

The embodiment is as follows: as shown in fig. 1-3, the present embodiment relates to a tumbler leveling rod, which mainly includes a base 1 and a rod body 2 embedded on the base 1, wherein the base 1 is made of steel or made of a material with a higher density relative to the rod body 2, and a tumbler structure can be formed between the base 1 and the rod body 2 to realize automatic straightening of the leveling rod. One side of the ruler body 1 is provided with a level bubble 5, and whether the leveling rod is in a vertical state or not is determined by observing the state of the level bubble 5. The front surface of the ruler body 1 is marked with a bar code 3, one side of the bar code 3 is fixed with an illuminating assembly 4, the bar code 3 is provided with scales for reading, and the illuminating assembly 4 is used for illuminating the bar code 3 so as to overcome the defects that the reading of the leveling ruler is inaccurate in the environments with unstable illumination intensity and low visibility.

As shown in fig. 1, the lighting assembly 4 includes a LED strip 41 disposed parallel to the barcode 3 and a back adhesive 42 for fixing the LED strip 41, wherein the length of the LED strip 41 is the same as the length of the barcode 3.

As shown in figures 1 and 2, the base 1 is hemispherical and concave in section, and rectangular grooves 11 with the shape and size matched with those of the ruler body 2 are reserved in the center of the base 1, so that the ruler body 2 is embedded in the base 1.

As shown in fig. 1 and fig. 3, the ruler body 2 is a 2m long precision molten indium steel leveling ruler, an upper cavity 21, a middle cavity 22 and a lower cavity 23 are respectively arranged at the upper part, the middle part and the lower part in the ruler body 2, the size of the upper cavity 21 is larger than that of the lower cavity 23, the size of the lower cavity 23 is larger than that of the middle cavity 22, no filler is arranged in the upper cavity 21, the middle cavity 22 is a battery bin and is internally provided with a battery module 21, the battery module 21 is connected with an LED lamp strip 41 through a switch circuit to supply power to the LED lamp strip 41, the lower cavity 23 is internally filled with a balancing weight 231, and the balancing weight 231 is made of steel or other materials which are the same as those of the base 1, so that the gravity center of the ruler body 2 moves down, and the leveling ruler becomes a structure with light top and heavy bottom, that is a tumbler structure by matching with the base 1. In addition, a switch knob 222 is arranged outside the hollow cavity, the switch knob 222 is arranged on the switch circuit, and the brightness of the LED strip 41 is adjusted by rotating the switch knob 222.

As shown in fig. 1 to 3, the present embodiment further has the following working methods:

1. the leveling rod with the proper length of the rod body 2 and the bar code 3 is selected, the leveling rod for measurement is moved to a position to be measured and then released, the leveling rod is influenced by the tumbler principle, and the rod body 2 can swing back and forth until the rod body is in a static vertical state if the rod body is not in a vertical state.

2. The staff can make the ruler body 2 in a static vertical state by slightly adjusting after placing the leveling rod. After that, the operator can read the reading on the leveling rod by using the level gauge without manually holding the leveling rod, and the height difference between two points is obtained by using the reading difference of the two-point leveling rod, and then the elevation data of an unknown point is obtained according to the elevation of the known point.

The embodiment has the following beneficial effects: the structure is simple, the device is provided with a light source, the measurement reading is not interfered by unstable light of a test field, and the application scene is wide; in the measuring process, the manual ruler holding is not needed, so that the working strength of measuring personnel is effectively reduced; the problems of shaking caused by manual holding of the ruler and unstable observation reading caused by light and dark rays are solved, and the measurement precision is improved.

Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description is not repeated herein.

Claims

1. The utility model provides a tumbler levelling rod which characterized in that: the leveling ruler comprises a base and a ruler body embedded on the base, wherein an upper cavity, a hollow cavity and a lower cavity are respectively arranged at the upper part, the middle part and the lower part in the ruler body, a balancing weight is filled in the lower cavity, and a leveling bubble is arranged at one side of the ruler body.

2. A tumbler level bar as set forth in claim 1, wherein: the front surface of the ruler body is marked with a bar code, and one side of the bar code is fixed with an illuminating component.

3. A tumbler level bar as recited in claim 2, wherein: the illumination component comprises an LED lamp strip arranged in parallel to the bar code and a fastener used for fixing the LED lamp strip, and the length of the LED lamp strip is consistent with that of the bar code.

4. A tumbler level bar as set forth in claim 1, wherein: the base is integrally hemispherical and concave in section, and rectangular grooves with the shapes and the sizes matched with those of the ruler body are reserved in the center of the base, so that the ruler body is embedded and fixed on the base.

5. A tumbler level bar as set forth in claim 2, wherein: the hollow cavity is a battery bin, and a battery module is installed in the battery bin, and the battery module is connected with the lighting assembly through a switch circuit, so that the lighting assembly supplies energy.

6. A tumbler level bar as recited in claim 1, wherein: the size of the upper cavity is larger than that of the lower cavity, and the size of the lower cavity is larger than that of the hollow cavity.

7. A tumbler level bar as recited in claim 5, wherein: a switch knob is arranged on the outer side of the hollow cavity and arranged on the switch circuit.