Leveling instrument capable of automatically leveling

By using a motor-driven worm gear system and a float-based automatic leveling structure, the problem of time-consuming and laborious manual leveling of the level instrument is solved, achieving automatic leveling and stable fixation, thus improving operational efficiency and stability.

CN223635855UActive Publication Date: 2025-12-05GUANGDONG HOUSING SAFETY TESTING & APPRAISAL CO LTD
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Patent Information

Application Number
CN202520205184.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-05
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing leveling instrument requires manual fixing after leveling, which makes the operation time-consuming and laborious.

Method used

It adopts a structure including a motor, connecting shaft, fixing plate, spring, connecting ring, traction rope, limit rod and limit hole, etc. It uses a float to drive the leveling rod to automatically level, and the motor drives the worm gear and worm wheel system to achieve automatic limit, avoiding manual tightening of bolts.

Benefits of technology

It achieves automatic leveling and stable fixation of the level instrument body, improves operating efficiency, enhances placement stability, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a level gauge capable of automatically leveling, which comprises a base and a level gauge main body, a placing cylinder is fixedly arranged on the base, a leveling rod is movably inserted into the placing cylinder, a motor is fixedly arranged on the base, a connecting shaft is arranged at the output end of the motor, and a plurality of fixing plates are fixedly arranged at the top end of the base. A spring is fixedly installed on one side of the fixing plate, a connecting ring is fixedly installed at one end of the spring, a traction rope is fixedly installed on one side of the connecting ring, one end of the traction rope is fixedly connected with the connecting shaft, and a limiting rod is fixedly installed on the other side of the connecting ring. The limiting rod penetrates through the limiting hole and abuts against the leveling rod in the containing cylinder. Liquid in the liquid containing cavity can drive the leveling rod to conduct automatic leveling, the motor drives the connecting shaft to rotate through the worm gear and the worm, the traction rope wound around the connecting shaft is unwound, the limiting rod limits the leveling rod under the elastic force effect of the spring, and the containing stability of the leveling instrument body is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of level gauge, concretely relates to a level gauge that can be automatically leveled. BACKGROUND

[0002] The level gauge is an instrument for establishing horizontal line of sight to measure the height difference between two points on the ground, and its working principle is based on the principle of level measurement, that is, a horizontal line of sight is used to obtain a horizontal line of sight by means of a leveler, so as to measure the height difference between two points on the ground, and it has a wide application in the field of engineering measurement.

[0003] The existing level gauge still needs to be fixed after the leveler is leveled to prevent the level gauge body from being unable to maintain a horizontal state during the measurement process, and the current fixing method is mostly to use a fastening bolt to lock, and this manual fixing method is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiencies of the prior art, and provides a level gauge that can be automatically leveled to solve the problems in the background art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A level gauge that can be automatically leveled, comprising a base, a placing cylinder is fixedly installed at the top end of the base, a leveling rod is movably inserted into the top end of the placing cylinder, a level gauge body is hingedly connected to the top end of the leveling rod, a detection head is fixedly installed on one side of the level gauge body, a motor is fixedly installed at the top end of the base, a connecting shaft is arranged at the output end of the motor, a plurality of fixed plates are fixedly installed at the top end of the base, a spring is fixedly installed on one side of the fixed plate, a connecting ring is fixedly installed at one end of the spring, a traction rope is fixedly installed on one side of the connecting ring, one end of the traction rope is fixedly connected with the connecting shaft, a limiting rod is fixedly installed on the other side of the connecting ring, the limiting rod movably penetrates through the side end of the fixed plate, a limiting hole is formed in one side of the placing cylinder, and the limiting rod penetrates through the limiting hole and abuts against the leveling rod inside the placing cylinder.

[0007] As a preferred scheme of the level gauge that can be automatically leveled, a liquid placing cavity is formed in the inside of the base, a floating ball is fixedly installed at the bottom end of the leveling rod, the floating ball is located in the liquid placing cavity, and the liquid placing cavity is communicated with the placing cylinder.

[0008] As a preferred solution of the automatic leveling level, the top end of the base is provided with a containing groove, the motor is fixedly installed in the containing groove, the output end of the motor is fixedly installed with a worm, the containing groove is rotatably installed with a rotating rod, the rotating rod is fixedly connected with a worm wheel, the worm wheel is engaged with the worm, and the connecting shaft is fixedly connected with the top end of the rotating rod.

[0009] As a preferred solution of the automatic leveling level, the detection head is provided with a protective cover on one side.

[0010] As a preferred solution of the automatic leveling level, the protective cover is fixedly installed with an anti-lost rope on one side, and one end of the anti-lost rope is fixedly connected with the level body.

[0011] As a preferred solution of the automatic leveling level, the connecting shaft and the rotating rod are fixedly connected through a fixing bolt.

[0012] The automatic leveling level has the advantages that:

[0013] (1) The liquid in the liquid placing cavity can drive the leveling rod to automatically level through the floating ball, the motor can drive the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the connecting shaft to rotate through the rotating rod, the traction rope wound on the connecting shaft is unwound, the limiting rod passes through the limiting hole under the elastic force of the spring and abuts against the outer surface of the side end of the leveling rod, the leveling rod is limited, the leveling rod is prevented from moving, the fastening bolt is not needed to be manually fixed, and the placing stability of the level body is enhanced.

[0014] (2) The motor is hidden through the containing groove, the detection head is protected when the device is not used through the protective cover, and the protective cover is prevented from being lost as much as possible through the anti-lost rope. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Figure 1 is the overall structure schematic view of the automatic leveling level.

[0017] Figure 2 is the related structure schematic view of the base.

[0018] Figure 3 is Figure 2 is an enlarged structural schematic view of part A in the figure.

[0019] Figure 4 is a partial sectional structural schematic view of the base.

[0020] Figure 5 is a schematic view of the internal structure of the placement cylinder.

[0021] In the figure:

[0022] 1, base; 2, placement cylinder; 3, leveling rod; 4, level main body; 5, detection head; 6, motor; 7, connecting shaft; 8, fixed plate; 9, spring; 10, connecting ring; 11, traction rope; 12, limiting rod; 13, limiting hole; 14, containing groove; 15, anti-lost rope; 16, protective cover; 17, worm; 18, worm wheel. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be further described below in combination with the drawings and through specific embodiments.

[0024] Wherein, the drawings are only for example description, and the representation is only a schematic view, not a real object drawing, and cannot be understood as a limitation of the patent; in order to better illustrate the embodiments of the utility model, some components in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted.

[0025] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore the positional relationship description terms in the drawings are only for example description, and cannot be understood as a limitation of the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0026] In the description of the utility model, unless another definite provision and limitation, if the term "connection" and so on appears to indicate the connecting relationship between components, the term should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or be integrated; it can be mechanical connection, also can be electrical connection; it can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two components internally or the interaction of two components. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0027] As Figures 1 to 5 The utility model provides a leveler that can automatically level, including base 1, the top of base 1 is fixedly installed and is placed cylinder 2, the top of placing cylinder 2 is movably inserted and is leveled pole 3, the top of leveling pole 3 is hinged and is leveler main part 4, one side of leveler main part 4 is fixedly installed and is detection head 5, the top of base 1 is fixedly installed and is motor 6, the output of motor 6 is provided with connecting shaft 7, the top of base 1 is fixedly installed and is a plurality of fixed plate 8, one side of fixed plate 8 is fixedly installed and is spring 9, one end of spring 9 is fixedly installed and is connecting ring 10, one side of connecting ring 10 is fixedly installed and is tow rope 11, one end of tow rope 11 is fixedly connected with connecting shaft 7, the other side of connecting ring 10 is fixedly installed and is limit rod 12, limit rod 12 passes through the side end of fixed plate 8 movably, one side of placing cylinder 2 is provided with limit hole 13, and limit rod 12 passes through limit hole 13 and abuts against leveling pole 3 in placing cylinder 2.

[0028] Specifically, the inside of the base 1 of the embodiment is provided with a liquid placement cavity, the bottom end of the leveling rod 3 is fixedly installed with a float ball, the float ball is located in the liquid placement cavity, the liquid placement cavity is communicated with the placing cylinder 2, by placing liquid in the liquid placement cavity, the float ball at the bottom end of the leveling rod 3 will float under the action of liquid, thereby driving the leveling rod 3 to move up and down, since the liquid surface is always parallel to the ground under the action of the earth's gravity, thereby placing the leveler main part 4 horizontally.

[0029] Specifically, the top of the base 1 of the embodiment is provided with a containing groove 14, the motor 6 is fixedly installed in the containing groove 14, the output of the motor 6 is fixedly installed with a worm 17, a rotating rod is rotatably installed in the containing groove 14, the rotating rod is fixedly connected with a worm wheel 18, the worm wheel 18 is engaged with the worm 17, the top end of the connecting shaft 7 is fixedly connected with the rotating rod, before adjusting the level of the leveler, the tow rope 11 is wound on the outer surface of the connecting shaft 7, so that the spring 9 is in a stretched state, the limit rod 12 is located in the limit hole 13, after adjusting the level of the leveler, the motor 6 drives the worm wheel 18 to rotate through the worm 17, the worm wheel 18 drives the connecting shaft 7 to rotate through the rotating rod, thereby unwinding the tow rope 11 on the connecting shaft 7, the limit rod 12 will pass through the limit hole 13 and abut against the leveling rod 3 under the action of the elastic force, thereby limiting the leveling rod 3, preventing the leveling rod 3 from moving up and down.

[0030] Preferably, one side of the detection head 5 of the embodiment is provided with a protective cover 16, which can protect the detection head 5 when the device is not in use. One side of the protective cover 16 is also fixedly provided with an anti-lost rope 15, one end of which is fixedly connected with the leveling instrument body 4. By providing the anti-lost rope 15, the loss of the protective cover 16 is avoided as much as possible.

[0031] Preferably, the connecting shaft 7 and the rotating rod are fixedly connected through fixing bolts, so as to facilitate the installation and dismounting of the connecting shaft 7.

[0032] The leveling instrument body 4 and the motor 6 can be purchased on the market, and the leveling instrument body 4 and the motor 6 are provided with a power supply. In the field, it is a mature technology and has been fully disclosed, so the description will not be repeated here.

[0033] Working principle and use process of the utility model:

[0034] When the leveling instrument is used, first, the tripod is installed around the house, and then the base 1 is installed on the tripod. The liquid surface in the liquid placement cavity will be automatically leveled, the float ball at the bottom of the leveling rod 3 floats up, thereby driving the leveling rod 3 to move up and down, and then the leveling instrument body 4 is in a horizontal state. After the adjustment of the leveling rod 3 is completed, the motor 6 is started, the motor 6 drives the worm 17 to rotate, the worm 17 drives the worm wheel 18 to rotate, the worm wheel 18 drives the connecting shaft 7 to rotate through the rotating rod, the traction rope 11 wound on the connecting shaft 7 is unwound, the limiting rod 12 passes through the limiting hole 13 under the elastic force of the spring 9 and abuts against the outer surface of the side end of the leveling rod 3, limiting the leveling rod 3, preventing the leveling rod 3 from continuing to move up and down, without the need for manual fixing of the fastening bolt, and the stability of the leveling instrument body 4 is enhanced.

[0035] It should be stated that the above specific embodiments are only preferred embodiments of the utility model and the applied technical principles. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the utility model. However, as long as these changes do not deviate from the spirit of the utility model, they should be within the protection scope of the utility model. In addition, some terms used in the specification and claims of the present application are not limited, but are only used for convenient description.

Claims

1. An automatic level, characterized in that, The utility model relates to a leveling device, including base (1), the top of base (1) fixed mounting has placed cylinder (2), the top of placed cylinder (2) active joint has leveling lever (3), the top of leveling lever (3) hinged has water level main body (4), one side of water level main body (4) fixed mounting has detection head (5), the top of base (1) fixed mounting has motor (6), the output of motor (6) is provided with connecting shaft (7), the top of base (1) fixed mounting has a plurality of fixed plate (8), one side of fixed plate (8) fixed mounting has spring (9), one end of spring (9) fixed mounting has connecting ring (10), one side of connecting ring (10) fixed mounting has tow rope (11), one end of tow rope (11) with connecting shaft (7) fixed connection, the other side of connecting ring (10) fixed mounting has stop rod (12), stop rod (12) active through the side end of fixed plate (8), one side of placed cylinder (2) is opened and has limit hole (13), stop rod (12) passes through limit hole (13) and with the inside leveling lever (3) of placed cylinder (2) abuts.

2. The self-leveling level of claim 1, wherein, The inside of base (1) is provided with a liquid placing cavity, the bottom of leveling lever (3) is fixedly installed with a float ball, the float ball is located in the liquid placing cavity, and the liquid placing cavity is communicated with the placing cylinder (2).

3. The self-leveling level of claim 2, wherein, The top of base (1) is provided with a containing groove (14), the motor (6) is fixedly installed in the containing groove (14), the output of motor (6) is fixedly installed with a worm (17), the containing groove (14) is rotatably installed with a rotating rod, the rotating rod is fixedly connected with a worm wheel (18), the worm wheel (18) is engaged with the worm (17), and the connecting shaft (7) is fixedly connected with the top of the rotating rod.

4. The self-leveling level of claim 3, wherein, One side of the detection head (5) is provided with a protective cover (16).

5. The self-leveling level of claim 4, wherein, One side of the protective cover (16) is fixedly installed with an anti-lost rope (15), one end of the anti-lost rope (15) is fixedly connected with the water level main body (4).

6. The self-leveling level of claim 3, wherein, The connecting shaft (7) and the rotating rod are connected through a fixing bolt.