CN112781574A

CN112781574A - Measuring tool for engineering

Info

Publication number: CN112781574A
Application number: CN202110124421.5A
Authority: CN
Inventors: 罗英
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-05-11

Abstract

The invention discloses a measuring tool for engineering, which comprises a measuring plate, a connecting rod fixedly connected to one end of the measuring plate, an automatic adjusting mechanism arranged below the connecting rod, and a laser emitting device arranged below the automatic adjusting mechanism; the automatic adjusting mechanism comprises a first rotating shaft, a second rotating shaft and a bracket, wherein the second rotating shaft is rotatably connected with the middle part of the first rotating shaft; the laser emitting device comprises a power supply box, a balancing weight fixedly connected below the power supply box, a level adjusting plate arranged below the balancing weight, a protective sleeve fixedly connected at the middle part below the level adjusting plate and a laser lamp arranged in the protective sleeve, wherein adjusting bolts are uniformly arranged at the edge of the level adjusting plate, and the level adjusting plate is connected with the balancing weight through the adjusting bolts; the upper surface of the measuring plate is provided with scales. The invention can realize that the emitting direction of the laser lamp is always vertical and downward by utilizing the gravity principle, thereby being capable of accurately and rapidly measuring the verticality, and having simple and convenient operation, high efficiency, difficult damage and long service life.

Description

Measuring tool for engineering

Technical Field

The invention relates to the technical field of measuring tools, in particular to a measuring tool for engineering.

Background

In engineering construction, the perpendicularity of a building is often required to be measured, a line weight is generally used in the existing measuring mode, and at present, the line weight and a wood board parallel line are combined to form a new tool, namely a hanging load ruler, on the basis of direct hanging line, so that the perpendicularity of a built wall and an object can be visually detected; however, the traditional line weight is dragged by the aid of the thread ropes, and when the line weight is used for measurement, the conical line weight body can swing, so that the traditional line weight cannot be used for measurement immediately in a windy environment, measurement time is delayed, measurement accuracy is affected, and the traditional line weight is inconvenient to use and low in efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a measuring tool for engineering.

In order to solve the technical problems, the technical scheme provided by the invention is that the engineering measuring tool comprises: the device comprises a measuring plate, a connecting rod fixedly connected with one end of the measuring plate, an automatic adjusting mechanism arranged below the connecting rod, and a laser emitting device arranged below the automatic adjusting mechanism; the automatic adjusting mechanism comprises a first rotating shaft, a second rotating shaft and a bracket, wherein the first rotating shaft is rotatably connected with the connecting rod, the second rotating shaft is rotatably connected with the middle part of the first rotating shaft, and the bracket is fixedly connected with the second rotating shaft; the laser emitting device comprises a power supply box fixedly connected to the bottom of the bracket, a balancing weight fixedly connected to the lower portion of the power supply box, a level adjusting plate arranged below the balancing weight, a protective sleeve fixedly connected to the middle portion of the lower portion of the level adjusting plate, and a laser lamp arranged in the protective sleeve, wherein a reverse extension line of an emitting direction of the laser lamp passes through the center of the first rotating shaft, adjusting bolts are uniformly arranged on the edge of the level adjusting plate, and the level adjusting plate is connected with the balancing weight through the adjusting bolts; the upper surface of the measuring plate is provided with scales which are gradually increased from the end close to the connecting rod to the other end.

As the improvement, the connecting rod is the U type, the connecting rod has linked firmly first bearing frame to bilateral symmetry along the middle part, install first rolling bearing in the first bearing frame, first pivot is connected with the connecting rod rotation through first rolling bearing, first bearing frame.

As an improvement, a second bearing seat is fixedly connected below the middle part of the first rotating shaft, a second rotating bearing is installed in the second bearing seat, and the second rotating shaft is rotatably connected with the first rotating shaft through the second rotating bearing and the second bearing seat.

As a modification, the position of the scale is the position of the O scale line with the axis of the first rotating shaft.

As an improvement, the laser lamp is electrically connected with a battery in the power box, and a switch for controlling the start/stop of the laser lamp is arranged on the power box.

Compared with the prior art, the invention has the advantages that: the invention can realize that the emitting direction of the laser lamp is always vertical and downward by utilizing the gravity principle, thereby being capable of accurately and rapidly measuring the verticality, and having simple and convenient operation, high efficiency, difficult damage and long service life.

Drawings

Fig. 1 is a schematic structural diagram 1 of a measuring tool for engineering according to the present invention.

Fig. 2 is a schematic structural diagram 2 of a measuring tool for engineering according to the present invention.

Fig. 3 is an enlarged schematic view of a measuring tool for engineering according to the present invention, with a measuring plate removed.

As shown in the figure: 1. measuring plate, 2, connecting rod, 3, first pivot, 4, second pivot, 5, bracket, 6, power pack, 7, balancing weight, 8, level (l) ing board, 9, protective sheath, 10, laser lamp, 11, adjusting bolt, 12, first bearing frame, 13, first rolling bearing, 14, second bearing frame, 15, second rolling bearing.

Detailed Description

The engineering surveying tool of the present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1-3, a measuring tool for engineering comprises a measuring plate 1, a connecting rod 2 fixedly connected to one end of the measuring plate 1, an automatic adjusting mechanism arranged below the connecting rod 2, and a laser emitting device arranged below the automatic adjusting mechanism; the automatic adjusting mechanism comprises a first rotating shaft 3 rotationally connected with the connecting rod 2, a second rotating shaft 4 rotationally connected with the middle of the first rotating shaft 3 and a bracket 5 fixedly connected with the second rotating shaft 4, the axis of the first rotating shaft 3 is parallel to the surface of the measuring plate 1, the axis of the first rotating shaft 3 is perpendicular to the extending direction of the measuring plate 1, the axis of the second rotating shaft 4 is parallel to the surface of the measuring plate 1, and the axis of the second rotating shaft 4 is parallel to the extending direction of the measuring plate 1; the laser emitting device comprises a power supply box 6 fixedly connected to the bottom of the bracket 5, a balancing weight 7 fixedly connected to the lower portion of the power supply box 6, a horizontal adjusting plate 8 arranged below the balancing weight 7, a protective sleeve 9 fixedly connected to the middle portion of the lower portion of the horizontal adjusting plate 8, and a laser lamp 10 arranged in the protective sleeve 9, wherein a reverse extension line of the emitting direction of the laser lamp 10 passes through the center of the first rotating shaft 3, adjusting bolts 11 are uniformly arranged at the edge of the horizontal adjusting plate 8, and the horizontal adjusting plate 8 is connected with the balancing weight 7 through the adjusting bolts 11; the upper surface of the measuring plate 1 is provided with scales which are gradually increased from the end close to the connecting rod 2 to the other end.

Connecting rod 2 is the U type, connecting rod 2 has linked firmly first bearing frame 12 to bilateral symmetry along the middle part, install first rotating bearing 13 in the first bearing frame 12, first pivot 3 rotates through first rotating bearing 13, first bearing frame 12 and connecting rod 2 and is connected.

And a second bearing seat 14 is fixedly connected to the lower part of the middle part of the first rotating shaft 3, a second rotating bearing 15 is installed in the second bearing seat 14, and the second rotating shaft 4 is rotatably connected with the first rotating shaft 3 through the second rotating bearing 15 and the second bearing seat 14.

The scale is located at the position of the line O with the axis of the first rotating shaft 3.

The laser lamp 10 is electrically connected with a battery in the power supply box 6, and a switch for controlling the laser lamp 10 to start/stop is arranged on the power supply box 6.

When the method is implemented, a horizontal adjusting plate 8 is adjusted in advance by screwing an adjusting bolt 11 to calibrate, so that the radiation direction of a laser lamp 10 is vertically downward in a natural state, a measuring plate 1 is horizontally placed on the upper end surface of a building to be measured, the end, provided with a laser emitting device, of the measuring plate 1 extends out of the building to be measured, light rays emitted by the laser lamp 10 are always kept vertically downward under the action of an automatic adjusting mechanism, the distance from a radiation falling point of the laser lamp 10 to the side surface of the building to be measured is measured by a graduated scale, the distance from the radiation point of the laser lamp 10 to the side surface of the building to be measured and the height difference between the two points are read according to the scales on the measuring plate 1, and the verticality data of the building to be measured can.

The invention can realize that the emitting direction of the laser lamp is always vertical and downward by utilizing the gravity principle, thereby being capable of accurately and rapidly measuring the verticality, and having simple and convenient operation, high efficiency, difficult damage and long service life.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A measuring tool for engineering, characterized in that: comprises a measuring plate (1), a connecting rod (2) fixedly connected with one end of the measuring plate (1), an automatic adjusting mechanism arranged below the connecting rod (2), and a laser emitting device arranged below the automatic adjusting mechanism;

the automatic adjusting mechanism comprises a first rotating shaft (3) rotatably connected with the connecting rod (2), a second rotating shaft (4) rotatably connected with the middle part of the first rotating shaft (3), and a bracket (5) fixedly connected with the second rotating shaft (4), wherein the axis of the first rotating shaft (3) is parallel to the plane of the measuring plate (1), the axis of the first rotating shaft (3) is vertical to the extending direction of the measuring plate (1), the axis of the second rotating shaft (4) is parallel to the plane of the measuring plate (1), and the axis of the second rotating shaft (4) is parallel to the extending direction of the measuring plate (1);

the laser emitting device comprises a power supply box (6) fixedly connected to the bottom of a bracket (5), a balancing weight (7) fixedly connected below the power supply box (6), a horizontal adjusting plate (8) arranged below the balancing weight (7), a protective sleeve (9) fixedly connected to the middle part below the horizontal adjusting plate (8), and a laser lamp (10) arranged in the protective sleeve (9), wherein a reverse extension line of the emitting direction of the laser lamp (10) passes through the center of a first rotating shaft (3), adjusting bolts (11) are uniformly arranged at the edge of the horizontal adjusting plate (8), and the horizontal adjusting plate (8) is connected with the balancing weight (7) through the adjusting bolts (11);

the upper surface of the measuring plate (1) is provided with scales which are gradually increased from the end close to the connecting rod (2) to the other end.

2. An engineering surveying tool according to claim 1, characterized in that: connecting rod (2) are the U type, connecting rod (2) have linked firmly first bearing frame (12) to bilateral symmetry along the middle part, install first rolling bearing (13) in first bearing frame (12), first pivot (3) are connected through first rolling bearing (13), first bearing frame (12) and connecting rod (2) rotation.

3. An engineering surveying tool according to claim 1, characterized in that: first pivot (3) middle part below has linked firmly second bearing frame (14), install second rolling bearing (15) in second bearing frame (14), second pivot (4) are connected with first pivot (3) rotation through second rolling bearing (15), second bearing frame (14).

4. An engineering surveying tool according to claim 1, characterized in that: the scale is positioned at the position of an O scale line by the position of the axis of the first rotating shaft (3).

5. An engineering surveying tool according to claim 1, characterized in that: the laser lamp (10) is electrically connected with a battery in the power supply box (6), and a switch for controlling the laser lamp (10) to start/stop is arranged on the power supply box (6).