CN113671297A

CN113671297A - Electronic measuring instrument

Info

Publication number: CN113671297A
Application number: CN202111056625.6A
Authority: CN
Inventors: 罗美兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-19
Anticipated expiration: 2041-09-09
Also published as: CN113671297B

Abstract

The invention discloses an electronic measuring instrument, which comprises an electronic measuring instrument body, a movable base, a lifting mechanism, a leveling seat and mounting frames, wherein the movable base, the lifting mechanism, the leveling seat and the mounting frames are sequentially connected from top to bottom, two mounting frames are arranged on the leveling seat, the electronic measuring instrument body is arranged between the two mounting frames, and two sides of the electronic measuring instrument body are respectively connected with the two mounting frames through a rotary positioning mechanism so as to control the inclination angle of the electronic measuring instrument body between the two mounting frames. The electronic measuring instrument body is convenient to move, has strong flexibility, and can be adjusted to the optimal position in the height direction so as to be stably positioned at the using height; the included angle between the electronic measuring instrument body and the horizontal plane is conveniently adjusted, so that the electronic measuring instrument body is in the optimal use angle; the electronic measuring instrument body can be always in a position parallel to the horizontal plane, so that the measuring precision of the electronic measuring instrument body is higher, and the electronic measuring instrument body is more comfortable.

Description

Electronic measuring instrument

Technical Field

The invention belongs to the technical field of electronic measuring instruments, and particularly relates to an electronic measuring instrument.

Background

Electronic measuring instruments can be classified into two categories, special and general, according to the functions of the measuring instruments. The special electronic measuring instrument is specially designed and manufactured for specific purposes and is suitable for measuring specific objects, and the general electronic measuring instrument is designed for measuring one or some basic electrical parameters and is suitable for various electronic measurements.

The in-process that electronic measurement instrument carried in the past takes place to rotate easily, has reduced the stability when carrying, and after electronic measurement instrument rotated specific position simultaneously, be not convenient for fix, when the user of difference measured, need look for once more accurately, waste time and energy, consequently, need a succinct practical electronic measurement instrument of a section, can solve the above-mentioned problem that exists among the prior art.

Disclosure of Invention

It is an object of the present invention to provide an electronic measuring instrument that solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electronic measuring instrument comprises an electronic measuring instrument body, and further comprises a movable base, a lifting mechanism, a leveling seat and mounting frames which are sequentially connected from top to bottom, wherein two mounting frames are arranged on the leveling seat;

the leveling seat comprises an upper base, a lower base, a level meter and a level meter mounting seat, wherein the upper base and the lower base are arranged in parallel, two mounting frames are mounted on the upper base, and a lifting mechanism is mounted at the lower end of the lower base; the two level meter mounting seats are mounted on the lower base below the upper base, one surfaces of the two level meter mounting seats facing each other are inner arc surfaces on the same spherical surface, sliding plates are arranged at two ends of each level meter, one surfaces of the two sliding plates far away from each other are outer arc surfaces on the same spherical surface, and the outer arc surfaces of the two sliding plates are arranged on the inner arc surfaces of the two level meter mounting seats in a matched mode; all be provided with two spacing archs on two spirit level mount pads, form spacing spout between two spacing archs that correspond, the glide plane perpendicular to horizontal plane setting at two spacing spout places, the slip that two slides match is in two spacing spouts, and the upper end of two slides extends to the top of spacing spout and is connected with last base.

As a preferred scheme of the invention, the leveling seat further comprises positioning columns, adjusting threaded columns and adjusting rings, two positioning columns are symmetrically arranged at the edge of the upper end of the lower base, the upper end of each positioning column is provided with one adjusting threaded column capable of spirally lifting, and the upper end of each adjusting threaded column is rotatably connected to the lower end of the upper base; the adjusting ring is rotatably connected to the positioning column, and the inner end face of the adjusting ring is in threaded connection with the adjusting threaded column and used for driving the adjusting threaded column to lift through rotation of the adjusting ring; the vertical surface where the two positioning columns are located is perpendicular to the vertical surface where the two limiting sliding grooves are located.

As a preferred scheme of the invention, the lower end of the upper base is provided with a first mounting groove, and the upper part of the adjusting threaded column is rotatably connected in the first mounting groove through a first bearing; the upper part of the positioning column is rotatably connected to the lower part of the inner wall of the adjusting ring through a second bearing; and anti-skid grains are arranged on the outer wall of the adjusting ring.

As a preferred scheme of the invention, a T-shaped column is fixed at the lower end of the adjusting threaded column, a T-shaped chute is arranged at the upper end of the positioning column, and the lower end of the T-shaped column is movably connected in the T-shaped chute; the lower extreme of T type post is provided with the spacing arch of annular, is provided with buffer spring between the open end of the spacing arch of annular and T type spout.

As a preferred scheme of the invention, the lifting mechanism comprises a lower positioning seat, an upper lifting column and a manual adjusting ring, wherein the lower end of the lower positioning seat is rotatably connected in the movable base, the upper part of the lower positioning seat is rotatably connected with the lower part of an inner ring of the manual adjusting ring, the upper part of the inner ring of the manual adjusting ring is in threaded connection with the lower part of the upper lifting column, and the upper part of the upper lifting column is rotatably connected with the lower end of the leveling seat; the outer wall of the manual adjusting ring is evenly provided with a plurality of handles.

As a preferred scheme of the invention, the upper part of the upper lifting column is rotatably connected with the lower end of the leveling seat through a third bearing, and the upper part of the lower positioning seat is rotatably connected with the lower part of the inner ring of the manual adjusting ring through a fourth bearing; the lower end of the lower positioning seat extends into the movable base, an annular steel ball groove is correspondingly formed between the lower end face of the lower positioning seat and the inner wall of the movable base, and a plurality of steel balls are uniformly arranged in the annular steel ball groove; an annular limiting part is arranged on the outer wall of the lower end of the lower positioning seat and is rotatably connected inside the lower positioning seat.

As a preferable scheme of the present invention, the moving base includes a mounting base and a roller with a caster, the lifting mechanism is mounted at the upper end of the mounting base, and at least two rollers with casters are uniformly mounted at the lower end of the mounting base.

As a preferred scheme of the invention, two sides of the electronic measuring instrument body are respectively installed on the first rotating shafts, and the two first rotating shafts are respectively and rotatably connected in the two mounting frames; the rotary positioning mechanism comprises a mounting ring, a pull rod, a first return spring, a limiting plate and a plurality of positioning grooves which are uniformly formed in the mounting frame, the mounting ring is fixed on the first rotating shaft, the middle part of the pull rod is vertically and slidably connected to the mounting ring, and one end of the pull rod is arranged in one positioning groove; the limiting plate is connected to the pull rod between the mounting frame and the mounting ring in a sliding mode, a plurality of first return springs are uniformly mounted between the mounting ring and the limiting plate, and the compression range of the first return springs is larger than the depth of the positioning groove; all the positioning grooves are annularly distributed on the mounting frame around the first rotating shaft by taking the first rotating shaft as a center.

As a preferable scheme of the invention, a protection plate is arranged above the electronic measuring instrument body and is detachably connected with the upper ends of the two mounting frames through two cross-shaped connecting mechanisms.

As a preferred scheme of the invention, the cross connecting mechanism comprises two positioning rods, the middle parts of the two positioning rods are rotatably connected through a second rotating shaft, the lower ends of the positioning rods are provided with pushing blocks, and the upper ends of the positioning rods are provided with positioning blocks; a second mounting groove is formed in the upper end of the mounting frame, the cross-shaped connecting mechanism is mounted in the second mounting groove, through holes are formed in two opposite side walls in the second mounting groove, two corresponding pushing blocks penetrate through the two through holes respectively, and two positioning rods below the second rotating shaft are connected through a second reset spring; the lower extreme of guard plate is provided with the draw-in groove, two locating pieces joint in the both ends of draw-in groove, and two locating pieces can rotate as the center by the second pivot and connect in the draw-in groove.

Has the advantages that: the electronic measuring instrument is convenient to move and high in flexibility by moving the base, and the height of the electronic measuring instrument body can be adjusted by the lifting mechanism, so that the electronic measuring instrument body is adjusted to the optimal position in the height direction and is stably positioned at the using height; the inclination angle of the electronic measuring instrument body between the two mounting frames can be controlled by rotating the positioning mechanism, so that the included angle between the electronic measuring instrument body and the horizontal plane can be conveniently adjusted, and the electronic measuring instrument body is in the optimal use angle; through finding the flat seat, when the ground is uneven, when leading to the electron measuring instrument body to take place the skew on the vertical face at two spacing spout places, can utilize the action of gravity for two slides are automatic in two spacing spouts and are made level, and then make the electron measuring instrument body be in the position parallel with the horizontal plane all the time, make the measurement accuracy of electron measuring instrument body higher, make more comfortable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the level of the present invention as installed in two level mounts;

FIG. 3 is an enlarged cross-sectional view of portion A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged cross-sectional view of portion B of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged cross-sectional view of portion C of FIG. 1 in accordance with the present invention;

fig. 6 is a schematic view of the installation of the level between the upper base and the lower base at a right or left viewing angle.

In the figure: 1-an electronic measuring instrument body; 101-a first rotating shaft; 2-moving the base; 201-a mounting seat; 202-caster wheels; 3-a lifting mechanism; 301-lower positioning seat; 302-up and down column; 303-manual adjusting ring; 304-a handle; 305-a third bearing; 306-a fourth bearing; 307-an annular limiting part; 4-leveling seat; 401-upper base; 402-a lower base; 403-a level meter; 404-a level mounting; 405-a sled; 406-a stop protrusion; 407-positioning columns; 408-adjusting the threaded post; 409-an adjusting ring; 410-a first bearing; 411-a second bearing; 412-T type column; 413-T type chute; 5-mounting a frame; 6-a rotary positioning mechanism; 601-a mounting ring; 602-a pull rod; 603-a first return spring; 604-a limiting plate; 7-protection plate; 8-a cross-shaped connection mechanism; 801-positioning rod; 802-a push block; 803-positioning block; 804-a through hole; 805-second return spring.

Detailed Description

Example (b):

as shown in fig. 1-6, an electronic measuring instrument comprises an electronic measuring instrument body 1, and further comprises a movable base 2, a lifting mechanism 3, a leveling seat 4 and an installation frame 5 which are sequentially connected from top to bottom, so that the whole body can conveniently move under the coordination of the movable base 2, and the electronic measuring instrument is more convenient to use; the leveling seat 4 is provided with two mounting frames 5, the two mounting frames 5 are arranged close to the middle of the leveling seat 4, so that the whole stress is positioned in the middle, the electronic measuring instrument body 1 is more stable, the two sides of the electronic measuring instrument body 1 are respectively connected with the two mounting frames 5 through a rotary positioning mechanism 6, the inclination angle of the electronic measuring instrument body 1 between the two mounting frames 5 is controlled, the included angle between the electronic measuring instrument body 1 and the horizontal plane is conveniently adjusted, and the electronic measuring instrument body 1 is in the best use angle;

the leveling seat 4 comprises an upper base 401, a lower base 402, a level 403 and a level mounting base 404, wherein the upper base 401 and the lower base 402 are arranged in parallel, two mounting frames 5 are mounted on the upper base 401, a lifting mechanism 3 is mounted at the lower end of the lower base 402, and the whole leveling seat 4 is driven to lift by driving the lower base 402 to lift; two level meter installation seats 404 are installed on a lower base 402 below an upper base 401, one surfaces, facing each other, of the two level meter installation seats 404 are inner arc-shaped surfaces on the same spherical surface, sliding plates 405 are arranged at two ends of each level meter 403, one surfaces, far away from each other, of the two sliding plates 405 are outer arc-shaped surfaces on the same spherical surface, and the outer arc-shaped surfaces of the two sliding plates 405 are arranged on the inner arc-shaped surfaces of the two level meter installation seats 404 in a matched mode, so that the two sliding plates 405 can freely move on the two level meter installation seats 404, and the flexibility of the two sliding plates 405 is guaranteed; two limiting bulges 406 are arranged on each of the two level meter mounting seats 404, a limiting sliding groove is formed between the two corresponding limiting bulges 406, the sliding surfaces of the two limiting sliding grooves are arranged perpendicular to the horizontal plane, the two sliding plates 405 are matched and slide in the two limiting sliding grooves, so that the two sliding plates 405 can freely slide in the two limiting sliding grooves, and the upper ends of the two sliding plates 405 extend above the limiting sliding grooves and are connected with the upper base 401, specifically, in order to ensure the stability of the connection, the two sliding plates 405 and the upper base 401 may be of an integral structure, or may be of a welded structure, the connection can be carried out according to a connection mode with good stability, meanwhile, the upper ends of the two sliding plates 405 can be connected through a connecting plate, the connecting plate is fixedly connected to the upper base 401, so as to enhance the stable connection between the two sliding plates 405 and the upper base 401.

It should be noted that, a certain distance is kept between the two sliding plates 405 and the lower base 402, so that the two sliding plates 405 can slide and level in the two limiting sliding grooves.

The electronic measuring instrument is convenient to move and high in flexibility by moving the base 2, and the height of the electronic measuring instrument body 1 can be adjusted by the lifting mechanism 3, so that the electronic measuring instrument body 1 is adjusted to the optimal position in the height direction and is stably positioned at the using height; the inclination angle of the electronic measuring instrument body 1 between the two mounting frames 5 can be controlled by rotating the positioning mechanism 6, so that the included angle between the electronic measuring instrument body 1 and the horizontal plane can be conveniently adjusted, and the electronic measuring instrument body 1 is in the optimal use angle; through finding flat seat 4, when the ground is uneven, when leading to electron measuring instrument body 1 to take place the skew on the vertical face at two spacing spout places, can utilize the action of gravity for two slide 405 are automatic in two spacing spouts and are made level, and then make electron measuring instrument body 1 be in the position parallel with the horizontal plane all the time, make electron measuring instrument body 1's measurement accuracy higher, make more comfortable.

As a preferable scheme of the present invention, the leveling seat 4 further includes two positioning columns 407, two adjusting threaded columns 408 and an adjusting ring 409, the two positioning columns 407 are symmetrically installed on the edge of the upper end of the lower base 402, the upper end of each positioning column 407 is installed with one adjusting threaded column 408 capable of spirally lifting, and the upper end of the adjusting threaded column 408 is rotatably connected to the lower end of the upper base 401, so that the adjusting threaded column 408 does not collide with the upper base 401 when rotating; the adjusting ring 409 is rotatably connected to the positioning column 407, and an inner end surface of the adjusting ring 409 is in threaded connection with the adjusting threaded column 408, so that the adjusting threaded column 408 is driven to ascend and descend by rotation of the adjusting ring 409, that is, when the adjusting threaded column 408 needs to be controlled to ascend and descend, the adjusting ring 409 can be rotated, the adjusting threaded column 408 is driven to spirally ascend and descend by the adjusting ring 409, and the adjusting threaded column 408 drives the upper base 401 to ascend and descend; the vertical surfaces of the two positioning columns are perpendicular to the vertical surfaces of the two limiting sliding grooves, the height of the two adjusting threaded columns 408 in the direction of the upper base 401 can be finely adjusted through adjustment of the two adjusting threaded columns 408, adjustment of the electronic measuring instrument body 1 is further achieved, the adjusting threaded columns 408 are matched with the two sliding plates 405, the directions of the periphery of the electronic measuring instrument body 1 are just adjusted, and the electronic measuring instrument body 1 is in the best state.

It should be noted that, the adjustment of the electronic measuring instrument body 1 by the adjusting threaded column 408 and the adjustment of the electronic measuring instrument body 1 by the two sliding plates 405 are fine adjustments, which are used to overcome the adjustment of the gap existing between the connecting structures when the overall angle is deviated, and the stability of the other structure is not forcibly affected by the adjustment of one structure.

As a preferred scheme of the present invention, the lower end of the upper base 401 is provided with a first mounting groove, the upper portion of the adjusting threaded column 408 is rotatably connected in the first mounting groove through a first bearing 410, the connection stability is good, and mutual influence cannot be generated by rotation, where it should be noted that an outer ring of the first bearing 410 is slightly higher than an inner ring thereof, so as to prevent the inner ring from contacting with the first mounting groove, and further prevent the inner ring of the first bearing 410 from generating friction with the first mounting groove; the upper part of the positioning column 407 is rotatably connected to the lower part of the inner wall of the adjusting ring 409 through a second bearing 411, so that the connection stability is good, and mutual influence cannot be generated by rotation; the outer wall of the adjusting ring 409 is provided with anti-skid grains, so that the adjusting ring 409 can be conveniently rotated.

As a preferable scheme of the present invention, a T-shaped column 412 is fixed at the lower end of the adjusting threaded column 408, a T-shaped sliding slot 413 is arranged at the upper end of the positioning column 407, and the lower end of the T-shaped column 412 is movably connected in the T-shaped sliding slot 413, so as to further enhance the stability of the adjusting threaded column 408 during the lifting; the lower end of the T-shaped column 412 is provided with an annular limiting bulge, a buffer spring is arranged between the annular limiting bulge and the opening end of the T-shaped sliding groove 413, integral fine adjustment cannot be influenced, a certain buffer effect can be achieved, and the influence on the electronic measuring instrument body 1 caused by linear descending of the adjusting threaded column 408 after the threaded connection between the adjusting threaded column 408 and the adjusting ring 409 is abraded is avoided.

As a preferred scheme of the present invention, the lifting mechanism 3 includes a lower positioning seat 301, an upper lifting column 302 and a manual adjusting ring 303, the lower end of the lower positioning seat 301 is rotatably connected in the movable base 2, the upper portion of the lower positioning seat 301 is rotatably connected with the lower portion of the inner ring of the manual adjusting ring 303, the upper portion of the inner ring of the manual adjusting ring 303 is in threaded connection with the lower portion of the upper lifting column 302, and the upper portion of the upper lifting column 302 is rotatably connected with the lower end of the leveling seat 4; a plurality of handles 304 are uniformly arranged on the outer wall of the manual adjusting ring 303. In above-mentioned preferred scheme, through rotating handle 304, can control manual regulation ring 303 and rotate, manual regulation ring 303 rotates and drives lift post 302 spiral lift to the drive is looked for the flat seat and is gone up and down, and manual regulation ring 303 rotates with lower positioning seat 301 and is connected, then can guarantee the stability of manual regulation ring 303, guarantees the stability of lift post 302 simultaneously. In this embodiment, a T-shaped pillar may be disposed at the lower end of the upper lifting pillar 302, and a T-shaped groove may be disposed at the upper end of the lower positioning seat 301, so that the T-shaped pillar at the lower end of the upper lifting pillar 302 is movably connected to the T-shaped groove at the upper end of the lower positioning seat 301, thereby enhancing the stability of the upper lifting pillar 302 again.

As a preferable scheme of the present invention, the upper portion of the upper lifting column 302 is rotatably connected to the lower end of the leveling seat 4 through a third bearing 305, the upper portion of the lower positioning seat 301 is rotatably connected to the lower portion of the inner ring of the manual adjusting ring 303 through a fourth bearing 306, the stability of the bearing connection is good, and the relative rotation between the part connected to the inner ring and the part connected to the outer ring is not affected; the lower end of the lower positioning seat 301 extends into the movable base 2, an annular steel ball groove is correspondingly formed between the lower end surface of the lower positioning seat 301 and the inner wall of the movable base 2, and a plurality of steel balls are uniformly arranged in the annular steel ball groove, so that a movable relation similar to a bearing is formed between the lower positioning seat 301 and the movable base 2, when the lower end of the manual adjusting ring 303 is arranged on the lower positioning seat 301, the lower positioning seat 301 and the manual adjusting ring 303 are further ensured not to generate relative friction, and meanwhile, the stability of the manual adjusting ring 303 is enhanced; an annular limiting portion 307 is arranged on the outer wall of the lower end of the lower positioning seat 301, and the annular limiting portion 307 is rotatably connected inside the lower positioning seat 301, so that the stability of the lower positioning seat 301 is enhanced.

It should be noted that the lower positioning seat 301 is similar to an inverted T-shaped structure, a vertical portion of the lower positioning seat 301 is connected to an inner wall of the manual adjusting ring 303 through a bearing, and a lower end of the manual adjusting ring 303 is mounted on a horizontal portion of the lower positioning seat 301, so as to ensure stability of the manual adjusting ring 303, and indirectly enhance stability of the ascending and descending column 302.

As a preferable scheme of the present invention, the moving base 2 includes a mounting base 201 and caster rollers 202, the lifting mechanism 3 is mounted at the upper end of the mounting base 201, and at least two caster rollers 202 are uniformly mounted at the lower end of the mounting base 201, so that the moving base is convenient to move and can be braked at any time.

As a preferred scheme of the present invention, both sides of the electronic measuring instrument body 1 are mounted on the first rotating shafts 101, and the two first rotating shafts 101 are respectively rotatably connected in the two mounting brackets 5, so as to ensure that the electronic measuring instrument body 1 can stably rotate between the two mounting brackets 5; the rotary positioning mechanism 6 comprises a mounting ring 601, a pull rod 602, a first return spring 603, a limiting plate 604 and a plurality of positioning grooves uniformly formed in the mounting frame 5, the mounting ring 601 is fixed on the first rotating shaft 101, the stability of the mounting ring 601 is ensured, the middle part of the pull rod 602 is vertically and slidably connected to the mounting ring 601, one end of the pull rod 602 is arranged in one positioning groove, the positioning of the pull rod 602 is realized, the positioning of the first rotating shaft 101 is also realized, and the positioning of the electronic measuring instrument body 1 is further realized; the limiting plate 604 is connected to the pull rod 602 between the mounting frame 5 and the mounting ring 601 in a sliding manner, a plurality of first return springs 603 are uniformly arranged between the mounting ring 601 and the limiting plate 604, the compression range of the first return springs 603 is larger than the depth of the positioning groove, when the electronic measuring instrument body 1 needs to be rotated, the pull rod 602 is pulled, so that one end of the pull rod 602 is withdrawn from the positioning groove, that is, the electronic measuring instrument body 1 can be rotated, after the electronic measuring instrument body 1 rotates to a certain angle, the pull rod 602 is loosened, the pull rod 602 resets under the elastic force of the first return springs 603, so that one end of the pull rod 602 enters one positioning groove again, and positioning is achieved; all constant head tanks use first pivot 101 as central ring shape distribute in first pivot 101 on the mounting bracket 5 all around, convenient even adjustment electron measuring instrument body 1's angle satisfies the user demand of majority.

As a preferable scheme of the invention, the protection plate 7 is arranged above the electronic measuring instrument body 1, the protection plate 7 is detachably connected with the upper ends of the two mounting frames 5 through the two cross-shaped connecting mechanisms 8, when the electronic measuring instrument is required to be used, the protection plate 7 can be arranged above the electronic measuring instrument body 1, the electronic measuring instrument body 1 can be prevented from being accidentally damaged, and the service life is prolonged.

As a preferable scheme of the present invention, the cross connecting mechanism 8 includes two positioning rods 801, the middle portions of the two positioning rods 801 are rotatably connected through a second rotating shaft, a pushing block 802 is disposed at the lower end of the positioning rod 801, and a positioning block 803 is disposed at the upper end of the positioning rod 801; a second mounting groove is formed in the upper end of the mounting rack 5, the cross-shaped connecting mechanism 8 is mounted in the second mounting groove, through holes 804 are formed in two opposite side walls in the second mounting groove, two corresponding pushing blocks 802 respectively penetrate through the two through holes 804, two positioning rods 801 below a second rotating shaft are connected through a second return spring 805, an included angle between the two positioning rods 801 can be changed by pressing the two pushing blocks 802, the two positioning rods 801 can be driven to reset by the second return spring 805 after the two pushing blocks 802 are loosened, and at the moment, the two pushing blocks 802 can also reset along with the positioning rods 801; the lower extreme of protection plate 7 is provided with draw-in groove 701, two locating pieces 803 joint in the both ends of draw-in groove 701, and two locating pieces 803 can rotate as the center by the second pivot and connect in draw-in groove 701, when the contained angle between two locating pieces 801 diminishes, protection plate 7 can be installed, make two locating pieces 803 all be located draw-in groove 701, send out two promotion pieces 802 back, contained angle grow between two locating pieces 803, thereby make two locating pieces 803 chucking in the both ends of draw-in groove 701, as shown in fig. 5, realize the location of protection plate 7, otherwise then can take off protection plate 7.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic measuring instrument comprises an electronic measuring instrument body (1) and is characterized by further comprising a moving base (2), a lifting mechanism (3), a leveling seat (4) and mounting frames (5), wherein the moving base (2), the lifting mechanism (3), the leveling seat (4) and the mounting frames (5) are sequentially connected from top to bottom, two mounting frames (5) are arranged on the leveling seat (4), the electronic measuring instrument body (1) is arranged between the two mounting frames (5), and two sides of the electronic measuring instrument body (1) are respectively connected with the two mounting frames (5) through a rotary positioning mechanism (6) and used for controlling the inclination angle of the electronic measuring instrument body (1) between the two mounting frames (5);

the leveling seat (4) comprises an upper base (401), a lower base (402), a level (403) and a level mounting seat (404), the upper base (401) and the lower base (402) are arranged in parallel, two mounting frames (5) are mounted on the upper base (401), and a lifting mechanism (3) is mounted at the lower end of the lower base (402); the two gradienter installation seats (404) are installed on the lower base (402) below the upper base (401), one surfaces, facing each other, of the two gradienter installation seats (404) are inner arc-shaped surfaces on the same spherical surface, sliding plates (405) are arranged at two ends of the gradienter (403), one surfaces, far away from each other, of the two sliding plates (405) are outer arc-shaped surfaces on the same spherical surface, and the outer arc-shaped surfaces of the two sliding plates (405) are arranged on the inner arc-shaped surfaces of the two gradienter installation seats (404) in a matched mode; all be provided with two spacing archs (406) on two spirit level mount pads (404), form spacing spout between two spacing archs (406) that correspond, the glide plane perpendicular to horizontal plane setting at two spacing spout places, the slip that two slide (405) match is in two spacing spouts, and the upper end of two slide (405) extends to the top of spacing spout and is connected with last base (401).

2. The electronic measuring instrument as claimed in claim 1, wherein the leveling base (4) further comprises a positioning post (407), an adjusting threaded post (408) and an adjusting ring (409), two positioning posts (407) are symmetrically installed on the edge of the upper end of the lower base (402), an adjusting threaded post (408) capable of spirally lifting is installed on the upper end of each positioning post (407), and the upper end of the adjusting threaded post (408) is rotatably connected to the lower end of the upper base (401); the adjusting ring (409) is rotatably connected to the positioning column (407), and the inner end surface of the adjusting ring (409) is in threaded connection with the adjusting threaded column (408) and is used for driving the adjusting threaded column (408) to lift through the rotation of the adjusting ring (409); the vertical surface where the two positioning columns are located is perpendicular to the vertical surface where the two limiting sliding grooves are located.

3. An electronic measuring instrument as claimed in claim 2, characterized in that the lower end of the upper base (401) is provided with a first mounting groove, and the upper part of the adjusting threaded column (408) is rotatably connected in the first mounting groove through a first bearing (410); the upper part of the positioning column (407) is rotatably connected to the lower part of the inner wall of the adjusting ring (409) through a second bearing (411); the outer wall of the adjusting ring (409) is provided with anti-skid grains.

4. The electronic measuring instrument as claimed in claim 2 or 3, wherein a T-shaped column (412) is fixed at the lower end of the adjusting threaded column (408), a T-shaped chute (413) is arranged at the upper end of the positioning column (407), and the lower end of the T-shaped column (412) is movably connected in the T-shaped chute (413); an annular limiting bulge is arranged at the lower end of the T-shaped column (412), and a buffer spring is arranged between the annular limiting bulge and the opening end of the T-shaped sliding groove (413).

5. The electronic measuring instrument as claimed in claim 1, wherein the lifting mechanism (3) comprises a lower positioning seat (301), an upper lifting column (302) and a manual adjusting ring (303), the lower end of the lower positioning seat (301) is rotatably connected in the movable base (2), the upper part of the lower positioning seat (301) is rotatably connected with the lower part of the inner ring of the manual adjusting ring (303), the upper part of the inner ring of the manual adjusting ring (303) is in threaded connection with the lower part of the upper lifting column (302), and the upper part of the upper lifting column (302) is rotatably connected with the lower end of the leveling seat (4); a plurality of handles (304) are uniformly arranged on the outer wall of the manual adjusting ring (303).

6. An electronic measuring instrument as claimed in claim 5, characterized in that the upper part of the upper lifting column (302) is rotatably connected with the lower end of the leveling seat (4) through a third bearing (305), and the upper part of the lower positioning seat (301) is rotatably connected with the lower part of the inner ring of the manual adjusting ring (303) through a fourth bearing (306); the lower end of the lower positioning seat (301) extends into the movable base (2), an annular steel ball groove is correspondingly formed between the lower end face of the lower positioning seat (301) and the inner wall of the movable base (2), and a plurality of steel balls are uniformly arranged in the annular steel ball groove; an annular limiting part (307) is arranged on the outer wall of the lower end of the lower positioning seat (301), and the annular limiting part (307) is rotatably connected inside the lower positioning seat (301).

7. An electronic measuring instrument as claimed in claim 1, characterized in that the moving base (2) comprises a mounting base (201) and a caster roller (202), the lifting mechanism (3) is mounted on the upper end of the mounting base (201), and at least two caster rollers (202) are uniformly mounted on the lower end of the mounting base (201).

8. The electronic measuring instrument as claimed in claim 1, characterized in that both sides of the electronic measuring instrument body (1) are mounted on the first rotating shafts (101), and the two first rotating shafts (101) are respectively rotatably connected in the two mounting frames (5); the rotary positioning mechanism (6) comprises a mounting ring (601), a pull rod (602), a first reset spring (603), a limiting plate (604) and a plurality of positioning grooves uniformly formed in the mounting frame (5), the mounting ring (601) is fixed on the first rotating shaft (101), the middle part of the pull rod (602) is vertically and slidably connected to the mounting ring (601), and one end of the pull rod (602) is arranged in one positioning groove; the limiting plate (604) is connected to the pull rod (602) between the mounting frame (5) and the mounting ring (601) in a sliding mode, a plurality of first return springs (603) are uniformly mounted between the mounting ring (601) and the limiting plate (604), and the compression range of the first return springs (603) is larger than the depth of the positioning groove; all the positioning grooves are annularly distributed on the mounting frame (5) around the first rotating shaft (101) by taking the first rotating shaft (101) as a center.

9. An electronic measuring instrument according to claim 1, characterized in that a protective plate (7) is arranged above the electronic measuring instrument body (1), and the protective plate (7) is detachably connected with the upper ends of the two mounting brackets (5) through two cross-shaped connecting mechanisms (8).

10. The electronic measuring instrument as claimed in claim 9, wherein the cross-shaped connecting mechanism (8) comprises two positioning rods (801), the middle parts of the two positioning rods (801) are rotatably connected through a second rotating shaft, the lower ends of the positioning rods (801) are provided with pushing blocks (802), and the upper ends of the positioning rods (801) are provided with positioning blocks (803); a second mounting groove is formed in the upper end of the mounting rack (5), the cross-shaped connecting mechanism (8) is mounted in the second mounting groove, through holes (804) are formed in two opposite side walls in the second mounting groove, two corresponding pushing blocks (802) penetrate through the two through holes (804) respectively, and two positioning rods (801) below the second rotating shaft are connected through a second return spring (805); the lower extreme of guard plate (7) is provided with draw-in groove (701), and two locating pieces (803) joint in the both ends of draw-in groove (701), and two locating pieces (803) can rotate as the center by the second pivot and connect in draw-in groove (701).