Level gauge with automatic compensator protection function
By incorporating a detection control circuit board and a support motor drive system into the level instrument, the pendulum and suspension wire are protected, thus resolving the problem of compensator damage caused by external impacts and ensuring the accuracy of measurement data.
Patent Information
- Application Number
- CN202422680798.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing automatic leveling instruments are prone to damage to their compensators when subjected to external impact forces, leading to serious measurement errors.
A detection and control circuit board is installed inside the level instrument. It detects tilting or falling through acceleration and angle sensors, and starts the lifting motor to drive the cam to rotate. The movable plate and compressed sponge protect the pendulum body to prevent the suspension wire from deforming or breaking.
It effectively prevents the wire from deforming or breaking due to impact, ensuring the accuracy of measurement data and the normal operation of the compensator.
Smart Images

Figure CN223756032U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic level device technical field, especially a level with automatic protection compensator function. BACKGROUND
[0002] Automatic level is a kind of instrument for measuring ground elevation, for measuring the relative difference of the height of each point in a certain range, its use method is to observe the height data of each target tower scale on ground through ocular group, and the relative difference of the height of each target point is obtained by calculation.
[0003] The internal structure of automatic level is composed of rear optical system, compensator and front optical system, when the level is slightly inclined, the front optical axis is slightly inclined to cause measurement data inaccuracy, at this time, the pendulum of compensator moves relative to the front optical axis under the action of gravity, so that the optical reference axis of level is corrected to the state of parallel with horizontal plane, thereby quickly obtaining the tower scale reading when optical axis is horizontal, and ensuring the accuracy of measurement data.
[0004] When the existing automatic level is affected by external impact force, small impact can cause deformation of suspension wire, breakage risk, so that the pendulum cannot work normally, the compensator is damaged, leading to serious measurement error, and the instrument cannot be used, therefore, the level with automatic protection compensator function is provided. CONTENT OF UTILITY MODEL
[0005] The main purpose of the utility model is to provide a level with automatic protection compensator function, to solve the problem of automatic level damage and serious measurement error caused by external impact force in related technology.
[0006] In order to achieve the above purpose, according to one aspect of the utility model, a level with automatic protection compensator function is provided, which comprises a level main body, a detection control circuit board is fixedly connected inside the level main body, a compensator is arranged inside the level main body, a pendulum is installed at the bottom of the compensator, a plurality of uniformly distributed suspension wires are arranged between the compensator and the pendulum, a protection assembly for lifting the pendulum is arranged in the level main body, and a driving mechanism for providing power source is arranged at the bottom of the protection assembly.
[0007] Further, the driving mechanism comprises a lifting motor fixedly installed in the main body of the level, a cam is fixedly connected to an output shaft of the lifting motor, a supporting plate is fixedly connected to a top of the lifting motor, a groove is formed through a side wall of the supporting plate, two supporting columns are fixedly connected to a top of the supporting plate, a limit switch is fixedly installed at the supporting columns, and a plurality of through holes are formed through the side wall of the supporting plate, and spring guide columns are fixedly installed in the through holes.
[0008] Further, the protection assembly comprises a movable plate, the movable plate is slidably connected to the outer wall of the spring guide column, a clamping groove is formed through the side wall of the movable plate, a compressed sponge is fixedly connected to the clamping groove, and an installation block is fixedly connected to the bottom of the movable plate.
[0009] Further, the spring guide column is sleeved with a spring, a screw is threadedly connected to the top of the spring guide column, the diameter of the screw is larger than that of the spring guide column, and one end of the spring is fixedly connected to the bottom of the screw.
[0010] Further, when the lifting motor is started, the compressed sponge is tightly attached to the bottom of the pendulum body, and the top of the movable plate is tightly attached to the bottom of the limit switch.
[0011] Further, the cam is an eccentric wheel.
[0012] Compared with the prior art, the level has the following beneficial effects:
[0013] In the level with the automatic protection compensator function, when the main body of the level is impacted, is greatly inclined or falls, the detection control circuit board controls the lifting motor to be started, drives the cam to rotate, lifts the movable plate upward, the compressed sponge tightly abuts against the pendulum body at this time, the pendulum body is ensured not to move, the suspension wire is in a relaxed and curved state, so that the risk of deformation or breakage of the suspension wire is prevented, and the movable plate also abuts against the limit switch, the cam stops moving at this time, and the power is turned off. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional schematic view of the main body of the level in the preferred embodiment of the utility model;
[0015] Figure 2 It is an exploded schematic view of the supporting plate in the preferred embodiment of the utility model;
[0016] Figure 3 It is a structural schematic view of the supporting plate in the preferred embodiment of the utility model;
[0017] Figure 4 It is an exploded schematic view of the movable plate in the preferred embodiment of the utility model;
[0018] Figure 5 It is the structure schematic view of the protection assembly after installation in the preferred embodiment of the utility model;
[0019] Figure 6 It is the structure schematic view of the compensator in the preferred embodiment of the utility model;
[0020] Illustration:
[0021] 1, the level main body; 2, detection control circuit board; 3, compensator; 4, lift motor; 5, cam; 6, support plate; 7, movable plate; 8, spring; 9, spring guide column; 10, compressed sponge; 11, limit switch; 12, support column; 13, hanging wire; 14, pendulum body; 15, groove; 16, clamping groove; 17, screw; 18, mounting block. Specific embodiments
[0022] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the preferred embodiments and the drawings.
[0023] Please refer to Figures 1-6 The embodiment aims to provide a level with automatic protection compensator function, which comprises a level main body 1, a detection control circuit board 2 is fixedly connected inside the level main body 1, a compensator 3 is arranged inside the level main body 1, a pendulum body 14 is installed at the bottom of the compensator 3, a plurality of evenly distributed hanging wires 13 are arranged between the compensator 3 and the pendulum body 14, a protection assembly for lifting the pendulum body 14 is arranged in the level main body 1, and a driving mechanism for providing power source is arranged at the bottom of the protection assembly.
[0024] The driving mechanism comprises a lift motor 4 fixedly installed in the level main body 1, a cam 5 is fixedly connected to the output shaft of the lift motor 4, the cam 5 is an eccentric wheel, a support plate 6 is fixedly connected to the top of the lift motor 4, a groove 15 is formed through the side wall of the support plate 6, two support columns 12 are fixedly connected to the top of the support plate 6, a limit switch 11 is fixedly installed at the top of the support column 12, a plurality of through holes are formed through the side wall of the support plate 6, and spring guide columns 9 are fixedly installed inside the through holes.
[0025] The level main body 1 is used for measuring the relative height difference of each point on the ground in a certain range, the detection control circuit board 2 can sense whether the level main body 1 falls or the inclination angle is too large through the internal acceleration sensor and the angle sensor, the compensator 3 can automatically compensate the error caused by the inclination of the instrument or the external environmental factors, the swing body 14 is used for sensing the change of the gravity direction to judge whether the level is in the horizontal state, when the level main body 1 suddenly inclines too much or falls down, the detection control circuit board 2 controls the lifting motor 4 to start and drives the cam 5 to rotate, when the level main body 1 is in the horizontal state, the detection control circuit board 2 enters the low-power consumption mode and does not operate the lifting motor 4, only detection is carried out.
[0026] The protection assembly comprises a movable plate 7, the movable plate 7 is slidably connected to the outer wall of the spring guide column 9, a clamping groove 16 is formed in the side wall of the movable plate 7, a compressed sponge 10 is fixedly connected in the clamping groove 16, an installation block 18 is fixedly connected to the bottom of the movable plate 7, a spring 8 is sleeved on the outer periphery of the spring guide column 9, a screw 17 is threadedly connected to the top of the spring guide column 9, and the diameter of the screw 17 is larger than the diameter of the spring guide column 9, one end of the spring 8 is fixedly connected to the bottom of the screw 17, when the lifting motor 4 starts, the compressed sponge 10 is tightly attached to the bottom of the swing body 14, and the top of the movable plate 7 is tightly attached to the bottom of the limit switch 11.
[0027] When the cam 5 rotates and touches the installation block 18, the movable plate 7 is lifted upwards, the plurality of springs 8 are compressed under stress, and the compressed sponge 10 tightly abuts against the swing body 14, so that the swing body 14 is prevented from moving, at this time, the suspension wire 13 is in a relaxed and curved state, so that the risk of deformation or breakage of the suspension wire 13 is avoided, and the movable plate 7 abuts against the limit switch 11, at this time, the cam 5 stops moving and is powered off.
[0028] In the specific use, the detection control circuit board 2 senses whether the level main body 1 falls or the inclination angle is too large, when the level main body 1 suddenly inclines too much or falls, the detection control circuit board 2 controls the lifting motor 4 to start and drives the cam 5 to rotate, when the cam 5 rotates and touches the installation block 18, the movable plate 7 is lifted upwards, the plurality of springs 8 are compressed under stress, and the compressed sponge 10 tightly abuts against the swing body 14, so that the swing body 14 is prevented from moving, at this time, the suspension wire 13 is in a relaxed and curved state, so that the risk of deformation or breakage of the suspension wire 13 is avoided, and the movable plate 7 abuts against the limit switch 11, at this time, the cam 5 stops moving and is powered off, and the problem that the swing body 14 cannot normally work and causes the damage of the compensator 3 is avoided.
[0029] The above are only the preferred embodiments of the present application, and are not intended to limit the present application in any form, although the present application has been disclosed as above with the preferred embodiments, however, it is not intended to limit the present application, any person skilled in the art, without departing from the technical scheme of the present application, can make some changes or modifications to the above disclosed technical content as equivalent embodiments, but as long as it does not deviate from the technical scheme of the present application, according to the technical essence of the present application, any modification, equivalent change and modification of the above embodiments are still within the scope of the technical scheme of the present application.
Claims
1. A level with automatic protection compensator function, comprising a level main body (1), a detection control circuit board (2) is fixedly connected inside the level main body (1), and a compensator (3) is arranged inside the level main body (1), characterized in that, The bottom of the compensator (3) is provided with a pendulum body (14), a plurality of uniformly distributed hanging wires (13) are arranged between the compensator (3) and the pendulum body (14), a protection assembly for lifting the pendulum body (14) is arranged in the level main body (1), and the bottom of the protection assembly is provided with a driving mechanism for providing a power source.
2. The level with automatic protection compensator function according to claim 1, characterized in that, The driving mechanism comprises a lifting motor (4) fixedly installed in the level main body (1), the output shaft of the lifting motor (4) is fixedly connected with a cam (5), the top of the lifting motor (4) is fixedly connected with a support plate (6), the side wall of the support plate (6) is throughly provided with a groove (15), the top of the support plate (6) is fixedly connected with two support columns (12), the top of the support column (12) is fixedly installed with a limit switch (11), the side wall of the support plate (6) is throughly provided with a plurality of through holes, and the inside of the through holes is fixedly installed with spring guide columns (9).
3. The level with automatic protection compensator function according to claim 1, characterized in that, The protection assembly comprises a movable plate (7), the movable plate (7) is slidingly connected to the outer wall of the spring guide column (9), the side wall of the movable plate (7) is throughly provided with a clamping groove (16), the clamping groove (16) is fixedly connected with a compressed sponge (10) inside, and the bottom of the movable plate (7) is fixedly connected with a mounting block (18).
4. The level with automatic protection compensator function according to claim 3, characterized in that, The outer periphery of the spring guide column (9) is provided with a spring (8), the top of the spring guide column (9) is threadedly connected with a screw (17), the diameter of the screw (17) is larger than that of the spring guide column (9), and one end of the spring (8) is fixedly connected to the bottom of the screw (17).
5. The level with automatic protection compensator function according to claim 3, characterized in that, When the lifting motor (4) is started, the compressed sponge (10) is tightly attached to the bottom of the pendulum body (14), and the top of the movable plate (7) is tightly attached to the bottom of the limit switch (11).
6. The level with automatic protection compensator function according to claim 2, characterized in that, The cam (5) is an eccentric wheel.