CN223389176U

CN223389176U - Portable high-precision level meter

Info

Publication number: CN223389176U
Application number: CN202422748157.4U
Authority: CN
Inventors: 张夏阳; 杜宇
Original assignee: Nanjing Institute of Technology
Current assignee: Nanjing Institute of Technology
Priority date: 2024-11-12
Filing date: 2024-11-12
Publication date: 2025-09-26
Anticipated expiration: 2034-11-12

Abstract

The utility model relates to the technical field of level meters, in particular to a portable high-precision level meter, the lengths of a first bridge plate and a second bridge plate are adjustable, the first bridge plate and the second bridge plate are respectively provided with a single-axis level meter, the lower ends of the first bridge plate and the second bridge plate are provided with rolling balls which are rotatably arranged and are flush with the lower end face of a base, and the base is provided with an angle display component for displaying the included angle between the first bridge plate and the second bridge plate.

Description

Portable high-precision level meter

Technical Field

The utility model relates to the technical field of level meters, in particular to a portable high-precision level meter.

Background

The prior art is divided into a single-axis level meter and a double-axis level meter, wherein the single-axis level meter can only detect the levelness of a unidirectional position, and the double-axis level meter can detect the levelness of two directions, but the existing single-axis level meter is small in size and convenient to carry, and the double-axis level meter is large in size, inconvenient to carry and even larger than twice of the single-axis level meter.

In the use process of the level, a bridge plate is usually required to be arranged at the lower end of the level, so that the position of the level is fixed, the level and the detection surface are kept stable, the existing bridge plate is single in structure, small in application range and single in function, and cannot be adjusted in an adaptive manner with the single-axis level.

Disclosure of utility model

The present utility model aims to provide a portable high-precision level to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The portable high-precision level comprises a base, one side of the base is provided with a first bridge plate and a second bridge plate which are rotatably installed, the lengths of the first bridge plate and the second bridge plate are adjustable, the first bridge plate and the second bridge plate are respectively provided with a single-shaft level, the lower ends of the first bridge plate and the second bridge plate are provided with rolling balls which are rotatably installed and are flush with the lower end face of the base, and the base is provided with an angle display assembly for displaying the angle of an included angle between the first bridge plate and the second bridge plate.

Preferably, the base is provided with a rotating shaft, the first bridge plate and the second bridge plate are composed of an installation arm and a telescopic arm, and the end part of the installation arm is provided with a lantern ring which is rotationally sleeved on the rotating shaft.

Preferably, the base is provided with a stud, a double-end lifting rod is sleeved between the stud and the rotating shaft in a lifting manner, one end of the double-end lifting rod, which is positioned on the rotating shaft, is pressed on the lantern ring, a first spring is arranged below the end part of the double-end lifting rod, which is positioned on the stud, and an adjusting nut which is in threaded connection with the stud and is pressed on the double-end lifting rod is arranged at the upper end of the double-end lifting rod.

Preferably, one end of the telescopic arm is provided with an inserting rod which is inserted on the mounting arm in a sliding manner, the upper end faces of the mounting arm and the telescopic arm are vertically provided with stop blocks, and the single-axis level meter is clamped between the stop blocks.

Preferably, one side of the installation arm is provided with a through long groove in a penetrating way, the through long groove is communicated with an inserting cavity of the inserting rod on the installation arm, the outer side of the installation arm is provided with a pair of second springs extending along the through long groove, one ends of the second springs are fixed on the installation arm, the other ends of the second springs are provided with bolts, the end parts of the inserting rod are provided with inserting holes in a penetrating way, and the bolts are inserted into the inserting holes.

Preferably, the angle display assembly comprises a dial and a marker post, the dial is arranged at the end part of the rotating shaft, a pair of arc grooves which are symmetrically distributed are formed in the dial, the outer diameter of the lantern ring on the second bridge plate is smaller than the inner diameter of the arc grooves, the marker post is arranged on the lantern rings on the first bridge plate and the second bridge plate, and the marker post is respectively inserted into the arc grooves which are symmetrically distributed.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the pair of bridge plates with the rotatable angle of adjustment are arranged, so that the adaptation combination of the single-axis level meter and the bridge plates is realized, when the angle of adjustment is vertical, the combination of the single-axis level meter is respectively arranged on the two bridge plates, the function of the single-axis level meter is equivalent to that of the double-axis level meter, the application range is greatly enlarged, the single-axis level meter is flexibly applied to different industrial scenes, the single-axis level meter is convenient to carry and detect, and the measurement efficiency is obviously improved compared with that of the existing double-axis level meter.

Drawings

FIG. 1 is a schematic view of a bridge deck of the present utility model mounted on a base;

FIG. 2 is a schematic view of a single axis level of the present utility model in an installed perspective;

FIG. 3 is a schematic perspective view of a base of the present utility model;

FIG. 4 is a perspective view of a mounting arm according to the present utility model;

Fig. 5 is a schematic perspective view of a telescopic arm according to the present utility model.

The device comprises a base, a rotating shaft, a first bridge plate, a second bridge plate, a double-head lifting rod, a stud, a first spring, a dial, a arc groove, a single-shaft level meter, a regulating nut, a mounting arm, a telescopic arm, a stopper, a through long groove, a plunger, a bolt, a second spring, a collar, a sleeve, a standard rod, a socket, a rolling ball, a bolt, a rolling ball and a rolling ball.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution:

The portable high-precision level comprises a base 1, a first bridge plate 3 and a second bridge plate 4 which are rotatably installed are arranged on one side of the base 1, a rotating shaft 2 is arranged on the base 1, the first bridge plate 3 and the second bridge plate 4 are respectively composed of an installation arm 12 and a telescopic arm 13, and a lantern ring 19 which is rotatably sleeved on the rotating shaft 2 is arranged at the end part of the installation arm 12.

By providing the collar 19, a rotational mounting of the first bridge plate 3 and the second bridge plate 4 is achieved, whereby an adjustment of the relative angle between the first bridge plate 3 and the second bridge plate 4 is achieved.

The length of the first bridge plate 3 and the second bridge plate 4 is adjustable, one end of the telescopic arm 13 is provided with a plug rod 16 which is inserted on the mounting arm 12 in a sliding way, one side of the mounting arm 12 is provided with a through long groove 15 in a penetrating way, the through long groove 15 is communicated with an insertion cavity of the plug rod 16 on the mounting arm 12, the outer side of the mounting arm 12 is provided with a pair of second springs 18 which extend along the through long groove 15, one end of each second spring 18 is fixed on the mounting arm 12, the other end of each second spring 18 is provided with a plug pin 17, the end part of the plug rod 16 is provided with a jack 21 in a penetrating way, and the plug pins 17 are inserted on the jack 21.

The telescopic insertion between the mounting arm 12 and the telescopic arm 13 is realized through the insertion of the insertion rod 16, so that the length adjustment is realized, the limit mounting between the mounting arm 12 and the telescopic arm 13 is realized by utilizing the insertion of the plug 17 and the limit of the penetrating long groove 15, and the limit of the length adjustment is realized by matching with the elasticity of the second spring 18.

The first bridge plate 3 and the second bridge plate 4 are respectively provided with a single-axis level meter 10, the upper end surfaces of the mounting arm 12 and the telescopic arm 13 are respectively and vertically provided with a stop block 14, and the single-axis level meter 10 is clamped between the stop blocks 14.

The second spring 18 is stretched by pulling the telescopic arm 13, at this time, the single-axis level 10 is placed at the upper end of the mounting arm 12, one end of the single-axis level 10 is propped against the stop block 14 of the mounting arm 12, then the hand is loosened, and under the reset elasticity of the second spring 18, the stop block 14 on the telescopic arm 13 is pressed on the other end of the single-axis level 10, so that the purpose of fixedly clamping the single-axis level 10 is achieved.

Be provided with the angle display subassembly that shows contained angle between first lamina bridge 3 and the second lamina bridge 4 on the base 1, angle display subassembly includes calibrated scale 8 and target 20, and calibrated scale 8 installs the tip at pivot 2, is provided with a pair of arc groove 9 of symmetric distribution on the calibrated scale 8, and the lantern ring 19 external diameter on the second lamina bridge 4 is less than the internal diameter of arc groove 9, all is provided with target 20 on the lantern ring 19 on first lamina bridge 3 and the second lamina bridge 4, and a pair of target 20 peg graft respectively in symmetric distribution's arc groove 9.

Through setting up the mark post 20 that extends to in the arc groove 9 to make the upper end of mark post 20 correspond with the circumference scale on the calibrated scale 8, thereby only need calculate the scale that two mark posts 20 correspond, can obtain the contained angle between first bridge plate 3 and the second bridge plate 4.

The base 1 is provided with a stud 6, a double-end lifting rod 5 is sleeved between the stud 6 and the rotating shaft 2 in a lifting manner, one end of the double-end lifting rod 5, which is positioned on the rotating shaft 2, is pressed on the lantern ring 19, a first spring 7 is arranged below one end part of the double-end lifting rod 5, which is positioned on the stud 6, an adjusting nut 11 which is in threaded connection with the stud 6 and is pressed on the double-end lifting rod 5 is arranged at the upper end of the double-end lifting rod, and rolling balls 22 which are rotatably installed and are flush with the lower end face of the base 1 are arranged at the lower ends of the first bridge plate 3 and the second bridge plate 4.

Thereby through setting up the height of adjusting nut 11 control double-end lifter 5, and then reach the fixed purpose of rotation angle between control first lamina bridge 3 and the second lamina bridge 4, cooperation spin 22 realizes the rotation in-process, with the point contact of detecting the face, reduce friction, guarantee angle modulation's stationarity.

The working principle is that the first bridge plate 3 and the second bridge plate 4 are firstly arranged on the base 1, then the angles are adjusted according to the needs or the use situations, for example, the first bridge plate 3 and the second bridge plate 4 are adjusted to be in a relatively vertical state, the levelness in the vertical direction can be measured at the moment, the function of the device is equivalent to that of the existing double-shaft level meter, in the adjusting process, the target rod 20 generates relative rotation in the arc groove 9, the scale corresponding to the target rod 20 is utilized for calculating, the included angle data between the first bridge plate 3 and the second bridge plate 4 is obtained, after the adjustment is completed, the purpose of extruding the double-head lifting rod 5 is achieved through the rotation screwing of the adjusting nut 11 on the stud 6, and therefore the relative pressing and fixing of the collar 19 on the first bridge plate 3 and the second bridge plate 4 are realized.

Then the telescopic arm 13 is pulled to stretch the second spring 18, at this time, the single-axis level 10 is placed at the upper end of the mounting arm 12, one end of the single-axis level 10 is propped against the stop block 14 of the mounting arm 12, then the hand is loosened, under the reset elasticity of the second spring 18, the stop block 14 on the telescopic arm 13 is pressed on the other end of the single-axis level 10, the purpose of fixedly clamping the single-axis level 10 is achieved, and the single-axis level 10 is utilized to achieve levelness measurement.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The portable high-precision level meter comprises a base (1) and is characterized in that a first bridge plate (3) and a second bridge plate (4) which are rotatably installed are arranged on one side of the base (1), the lengths of the first bridge plate (3) and the second bridge plate (4) are adjustable, single-shaft level meters (10) are installed on the first bridge plate (3) and the second bridge plate (4), rolling balls (22) which are rotatably installed and are flush with the lower end face of the base (1) are arranged at the lower ends of the first bridge plate (3) and the second bridge plate (4), and an angle display assembly for displaying the angle of an included angle between the first bridge plate (3) and the second bridge plate (4) is arranged on the base (1).

2. The portable high-precision level according to claim 1, wherein the base (1) is provided with a rotating shaft (2), the first bridge plate (3) and the second bridge plate (4) are composed of a mounting arm (12) and a telescopic arm (13), and a collar (19) which is rotatably sleeved on the rotating shaft (2) is arranged at the end part of the mounting arm (12).

3. The portable high-precision level according to claim 2, wherein the base (1) is provided with a stud (6), a double-end lifting rod (5) is sleeved between the stud (6) and the rotating shaft (2) in a lifting manner, one end of the double-end lifting rod (5) positioned on the rotating shaft (2) is pressed on the lantern ring (19), a first spring (7) is arranged below one end part of the double-end lifting rod (5) positioned on the stud (6), and an adjusting nut (11) which is in threaded connection with the stud (6) and is pressed on the double-end lifting rod (5) is arranged at the upper end of the double-end lifting rod.

4. The portable high-precision level according to claim 2, wherein one end of the telescopic arm (13) is provided with a plug rod (16) which is slidably inserted into the mounting arm (12), the upper end surfaces of the mounting arm (12) and the telescopic arm (13) are vertically provided with a stop block (14), and the single-axis level (10) is clamped between the stop blocks (14).

5. The portable high-precision level according to claim 4, wherein one side of the mounting arm (12) is provided with a through long groove (15) in a penetrating manner, the through long groove (15) is communicated with an inserting cavity of the inserting rod (16) on the mounting arm (12), the outer side of the mounting arm (12) is provided with a pair of second springs (18) extending along the through long groove (15), one ends of the second springs (18) are fixed on the mounting arm (12), the other ends of the second springs (18) are provided with inserting pins (17), the end parts of the inserting rod (16) are provided with inserting holes (21) in a penetrating manner, and the inserting pins (17) are inserted into the inserting holes (21).

6. The portable high-precision level according to claim 5, wherein the angle display assembly comprises a dial (8) and a marker post (20), the dial (8) is mounted at the end part of the rotating shaft (2), a pair of symmetrically distributed arc grooves (9) are formed in the dial (8), the outer diameter of a collar (19) on the second bridge plate (4) is smaller than the inner diameter of the arc grooves (9), marker posts (20) are arranged on the collars (19) on the first bridge plate (3) and the second bridge plate (4), and the pair of marker posts (20) are respectively inserted into the symmetrically distributed arc grooves (9).