Measuring device for engineering construction

Abstract

The utility model discloses a measuring device for engineering construction, which comprises a measuring bottom plate and a spherical cover fixedly connected to the top of the measuring bottom plate, a vertical reference mechanism is arranged in the spherical cover, and filling liquid is filled in the spherical cover. Compared with a reference mechanism which can only rotate leftwards and rightwards, the vertical reference mechanism can judge whether a detected surface is horizontal in the left-right direction or not and can detect whether the detected surface is horizontal in the front-back direction or not, so that the horizontal detection of the detected surface is more comprehensive and sufficient, and the detection accuracy is improved. When a vertical wall surface needs to be detected, the outer side surface of a side plate is attached to the detected wall surface and is adsorbed and fixed by a second suction cup, and when a buoyancy block points to the center of a cross-shaped groove and a connecting rod is parallel to the detected surface, the detected surface is in a vertical state, so that the device can carry out horizontal detection and also can carry out vertical detection.

Description

Technical Field

[0001] This utility model relates to the field of engineering measurement technology, and in particular to a measuring device for engineering construction. Background Technology

[0002] In engineering construction, the application of level measuring instruments is widespread and crucial. These instruments accurately measure the levelness and verticality of floors and walls, ensuring the overall structural stability and aesthetics of buildings. Level measuring instruments are indispensable in critical stages such as flooring installation and door / window frame installation. During equipment installation and commissioning, they ensure the installation plane is level, improving operational stability and lifespan. For example, machine tools and production lines require precise adjustments using level measuring instruments during installation. The application of level measuring instruments in engineering construction has multifaceted significance, not only improving construction efficiency and quality but also ensuring the structural stability and aesthetics of buildings.

[0003] Most existing engineering and construction levels can only measure the level in the left-right direction, and cannot measure the level in the front-back direction.

[0004] A multi-functional level measuring instrument for construction is disclosed in Chinese patent document CN104776831B. The bottom of the instrument's housing is mounted on a base via a turntable. The upper surface of the base has annular grooves, each containing a ball bearing. The top of the housing is connected to the rear end of the housing cover via a rotating shaft. A partition is installed on the front side of the housing. An angle disc is mounted between the transparent plastic plate and the partition via an angle disc bracket. A rotating ball is mounted on the partition via a fixed post. The top of a swing rod is mounted on the rotating ball. The front and rear shells of the swing rod are connected to the rotating ball. The connection part is equipped with a ball bearing, and a pulley is set on the front side of the swing rod front shell and the rear side of the swing rod rear shell respectively. A bent pointer is also set on the front side of the swing rod front shell above the pulley. The present invention sets multiple balls bearings arranged around the rotating ball at the connection part between the swing rod front shell and the swing rod rear shell of the measuring instrument. A pulley is set on the front side of the swing rod front shell and the rear side of the swing rod rear shell respectively. This structure greatly improves the accuracy of measuring the tilt. However, the multi-functional level measuring instrument for construction can only measure the horizontal situation in a single degree of freedom. If the horizontal position is not placed in the front-back direction, it cannot be measured.

[0005] To address the shortcomings of the existing technology, providing a measuring device for engineering construction is a problem worthy of research. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of existing engineering construction levels, which can only perform level detection in the left and right directions and cannot measure the level in the front and back directions. This invention provides a measuring device for engineering construction that can perform level detection in the left and right and front and back directions with multiple degrees of freedom.

[0007] The objective of this utility model is achieved through the following technical solution:

[0008] A measuring device for engineering construction includes a measuring base plate and a spherical cover fixedly connected to the top of the measuring base plate. The spherical cover has a vertical reference mechanism inside and is filled with a filling liquid.

[0009] The vertical reference mechanism includes a spherical groove at the center of the top of the measuring base plate, a ball rolling in the spherical groove, a connecting rod fixedly connected to the top of the ball, and a buoyancy block fixedly connected to the top of the connecting rod. The connecting rod can roll with multiple degrees of freedom. Compared with the reference mechanism that can only rotate left and right, this vertical reference mechanism can determine whether the surface being tested is horizontal in the left and right direction, and also whether it is horizontal in the front and back direction, making its horizontal detection of the surface being tested more comprehensive and thorough.

[0010] The center of the spherical groove coincides with the circle of the spherical cover. The spherical cover is made of transparent glass. By making the spherical cover transparent, the user can directly observe the state of the internal buoyancy block through the spherical cover, thereby determining whether the surface being tested is level.

[0011] The buoyancy force experienced by the buoyant block in the filling liquid is greater than the total weight of the buoyant block and the connecting rod. The end of the buoyant block is conical and tangent to the inner wall of the spherical cover. The buoyant block and the connecting rod are located inside the spherical cover, and their rotation is not affected by factors such as airflow, thus further improving the detection accuracy.

[0012] A cross groove is provided at the center of the top of the spherical cover, and several annular grooves are provided on the outer side of the spherical cover.

[0013] The inner diameter of the spherical groove is adapted to the diameter of the ball, the coefficient of friction between the spherical groove and the ball is less than 0.5, and the top of the spherical groove is open.

[0014] The measuring base plate has circular grooves on all four sides of its bottom. A first suction cup is fixedly connected to each of the circular grooves. After the device is attached to the surface to be tested, it is adjusted to gradually adjust the surface to a horizontal state. The first suction cup can prevent the device from sliding and affecting the horizontal detection accuracy when the surface is adjusted.

[0015] A side plate is fixedly connected to one side of the spherical cover. The side plate is perpendicular to the measuring base plate. Several second suction cups are fixedly connected to the outer side of the measuring base plate. When the buoyancy block points to the center of the cross groove, the connecting rod is parallel to the surface being tested, which indicates that the surface being tested is in a vertical state. This allows the device to perform both horizontal and vertical tests.

[0016] Positive and beneficial effects:

[0017] 1. The measuring device used in this construction project has a connecting rod that can roll with multiple degrees of freedom, compared to a reference mechanism that can only rotate left and right. This vertical reference mechanism can determine whether the surface being tested is horizontal in the left and right directions, as well as whether it is horizontal in the front and back directions, making the horizontal detection of the surface being tested more comprehensive and thorough.

[0018] 2. The measuring device used in this project has a buoyancy block whose conical tip points directly upwards. The position of the buoyancy block pointing towards the spherical cover can be used to determine whether the surface being tested, which is in contact with the measuring base plate, is in a horizontal state. Furthermore, the buoyancy block and the connecting rod are located inside the spherical cover, and their rotation is not affected by factors such as airflow, further improving the detection accuracy.

[0019] 3. When the measuring device used in this project needs to inspect a vertical wall, the outer side of the side plate is attached to the wall to be inspected and fixed by the second suction cup. When the buoyancy block points to the center of the cross groove, the connecting rod is parallel to the surface to be inspected, which indicates that the surface to be inspected is in a vertical state. This allows the device to perform both horizontal and vertical inspections. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a bottom view of the structure of this utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0023] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0024] Figure 5 This utility model Figure 3 A magnified structural diagram at point B in the middle.

[0025] In the diagram: 1-measuring base plate, 2-spherical cover, 3-spherical groove, 4-ball bearing, 5-connecting rod, 6-buoyancy block, 7-cross groove, 8-annular groove, 9-circular groove, 10-first suction cup, 11-side plate, 12-second suction cup. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0027] Example 1

[0028] like Figures 1 to 5 As shown, a measuring device for engineering construction includes a measuring base plate 1 and a spherical cover 2 fixedly connected to the top of the measuring base plate 1. The spherical cover 2 has a vertical reference mechanism inside and is filled with a filling liquid.

[0029] like Figures 3 to 5 As shown, the vertical reference mechanism includes a spherical groove 3 located at the top center of the measuring base plate 1, a ball bearing 4 rolling within the spherical groove 3, a connecting rod 5 fixedly connected to the top of the ball bearing 4, and a buoyancy block 6 fixedly connected to the top of the connecting rod 5. By setting the relatively rolling spherical groove 3 and ball bearing 4 within the spherical cover 2, the connecting rod 5 and buoyancy block 6 can rotate within a certain range within the spherical cover 2. The buoyancy block remains vertically upward under the action of the liquid filling the spherical cover 2. By comparing the orientation of the buoyancy block 6 with the surface of the engineering building being inspected, it can be determined whether the surface being inspected is horizontal. Furthermore, the connecting rod 5 can roll with multiple degrees of freedom. Compared to the reference mechanism that can only rotate left and right, this vertical reference mechanism can determine whether the surface being inspected is horizontal in both the left and right directions, as well as in the front and back directions, making its horizontal detection of the surface being inspected more comprehensive and thorough.

[0030] like Figures 1 to 5 As shown, the center of the spherical groove 3 coincides with the circle of the spherical cover 2. The spherical cover 2 is made of transparent glass. By setting the spherical cover 2 to be made of transparent glass, the user can directly observe the state of the internal buoyancy block 6 through the spherical cover 2, thereby determining whether the surface being tested is horizontal.

[0031] like Figures 3 to 5 As shown, the buoyancy force experienced by the buoyancy block 6 in the filling liquid is greater than the total weight of the buoyancy block 6 and the connecting rod 5. The end of the buoyancy block 6 is conical and tangent to the inner wall of the spherical cover 2. By limiting the buoyancy force experienced by the buoyancy block 6 in the filling liquid, the connecting rod 5 can be kept in a vertical state. The conical tip of the buoyancy block 6 points directly upward. The position of the buoyancy block 6 pointing towards the spherical cover can be used to determine whether the surface to be tested that is in contact with the measuring base plate 1 is in a horizontal state. Furthermore, the buoyancy block 6 and the connecting rod 5 are located inside the spherical cover 2, and their rotation is not affected by factors such as airflow, further improving the detection accuracy.

[0032] Furthermore, the filling liquid is made of mineral oil or silicone oil. Mineral oil or silicone oil has chemical inertness and long-term stability, and is widely used in high-precision industrial levels. Silicone oil can remain liquid from -50°C to 200°C, has a wide viscosity range, can reduce bubble oscillation, can be stored for a long time in the spherical cover 2, and is suitable for various construction environments.

[0033] like Figure 1 As shown, a cross groove 7 is provided at the top center of the spherical cover 2, and several annular grooves 8 are provided on the outer side of the spherical cover 2. When the cone tip of the buoyancy block 6 points to the cross groove 7, it indicates that the vertical connecting rod 5 is perpendicular to the measuring base plate 1, and the surface to be tested that is in contact with the bottom of the measuring base plate 1 is in a horizontal state, thereby realizing the detection of the horizontality of the surface to be tested and avoiding the situation where conventional horizontal measuring devices can only perform horizontal detection of a single degree of freedom.

[0034] Furthermore, when the surface being tested is not horizontal, the buoyancy block 6 is tilted so that its conical tip points to the annular groove 8, and the angle of tilt of the surface being tested is determined based on the number of annular grooves 8 that the conical tip of the buoyancy block 6 points to.

[0035] Example 2

[0036] like Figures 3 to 5 As shown, the inner diameter of the spherical groove 3 is matched with the diameter of the ball 4. The coefficient of friction between the spherical groove 3 and the ball 4 is less than 0.5. The top of the spherical groove 3 is open. By limiting the coefficient of friction between the spherical groove 3 and the ball 4, the resistance to their rolling is reduced, thus avoiding the friction between them from affecting the detection accuracy or response speed of the device.

[0037] Example 3

[0038] like Figure 2 As shown, the bottom of the measuring base plate 1 has four circular grooves 9 on each side, and a first suction cup 10 is fixedly connected in each of the circular grooves 9. By setting the circular grooves 9 with the first suction cups 10 at the bottom of the measuring base plate 1, the first suction cups 10 are adsorbed onto the surface to be tested when performing horizontal testing of engineering buildings, so that the measuring device remains stable when performing horizontal testing. Alternatively, after the device is adsorbed onto the surface to be tested, the surface to be tested can be adjusted to gradually adjust the surface to be horizontal. The first suction cups 10 can prevent the device from sliding and affecting the accuracy of horizontal testing when the surface to be tested is adjusted.

[0039] like Figures 1 to 2As shown, a side plate 11 is fixedly connected to one side of the spherical cover 2. The side plate 11 is perpendicular to the measuring base plate 1. Several second suction cups 12 are fixedly connected to the outer side of the measuring base plate 1. By setting a side plate 11 with second suction cups 12 on the side of the device, when it is necessary to detect a vertical wall, the outer side of the side plate 11 is attached to the wall to be detected and is attracted and fixed by the second suction cups 12. When the buoyancy block 6 points to the center of the cross groove 7, the connecting rod 5 is parallel to the surface to be detected, which indicates that the surface to be detected is in a vertical state, so that the device can perform horizontal detection as well as vertical detection.

[0040] The working principle of this utility model is as follows:

[0041] S1. The relative rolling spherical groove 3 and the ball 4 enable the connecting rod 5 and the buoyancy block 6 to rotate within a certain range inside the spherical cover 2;

[0042] S2. The buoyancy block 6 is kept vertically upward under the action of the liquid inside the spherical cover 2. By comparing the orientation of the buoyancy block 6 with the surface of the engineering building to be inspected, it can be determined whether the surface to be inspected is in a horizontal state.

[0043] When the conical tip of the S3 buoyancy block 6 points to the cross groove 7, it indicates that the vertical connecting rod 5 is perpendicular to the measuring base plate 1, and the surface being tested that is in contact with the bottom of the measuring base plate 1 is in a horizontal state.

[0044] S4. When it is necessary to inspect a vertical wall, attach the outer side of the side plate 11 to the wall to be inspected and fix it by the second suction cup 12. When the buoyancy block 6 points to the center of the cross groove 7, the connecting rod 5 is parallel to the surface to be inspected, which indicates that the surface to be inspected is in a vertical state.

[0045] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A measuring device for engineering construction, characterized in that: It includes a measuring base plate (1) and a spherical cover (2) fixedly connected to the top of the measuring base plate (1). The spherical cover (2) is provided with a vertical reference mechanism inside and is filled with filling liquid.

2. The engineering construction measuring device according to claim 1, characterized in that: The vertical reference mechanism includes a spherical groove (3) at the top center of the measuring base plate (1), a ball (4) rollingly connected in the spherical groove (3), a connecting rod (5) fixedly connected to the top of the ball (4), and a buoyancy block (6) fixedly connected to the top of the connecting rod (5).

3. The engineering construction measuring device according to claim 2, characterized in that: The center of the spherical groove (3) coincides with the circle of the spherical cover (2), and the spherical cover (2) is made of transparent glass.

4. The engineering construction measuring device according to claim 2, characterized in that: The buoyancy force on the buoyancy block (6) in the filling liquid is greater than the total weight of the buoyancy block (6) and the connecting rod (5). The end of the buoyancy block (6) is conical and the end of the buoyancy block (6) is tangent to the inner wall of the spherical cover (2).

5. A measuring device for engineering construction according to claim 2, characterized in that: A cross groove (7) is provided at the top center of the spherical cover (2), and several annular grooves (8) are provided on the outer side of the spherical cover (2).

6. A measuring device for engineering construction according to claim 2, characterized in that: The inner diameter of the spherical groove (3) is adapted to the diameter of the ball (4), the coefficient of friction between the spherical groove (3) and the ball (4) is less than 0.5, and the top of the spherical groove (3) is open.

7. A measuring device for engineering construction according to claim 1, characterized in that: The measuring base plate (1) has circular grooves (9) on all four sides of its bottom, and a first suction cup (10) is fixedly connected in each of the circular grooves (9).

8. A measuring device for engineering construction according to claim 1, characterized in that: A side plate (11) is fixedly connected to one side of the spherical cover (2). The side plate (11) is perpendicular to the measuring base plate (1). Several second suction cups (12) are fixedly connected to the outer side of the measuring base plate (1).

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