CN111981962A

CN111981962A - Measuring device capable of detecting flatness of wall

Info

Publication number: CN111981962A
Application number: CN202010898321.3A
Authority: CN
Inventors: 张彤西
Original assignee: Fujian Pingtan Sixuan Electronic Technology Co ltd
Current assignee: Fujian Pingtan Sixuan Electronic Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-11-24

Abstract

The invention discloses a measuring device capable of detecting the flatness of a wall, which comprises two bilaterally symmetrical shells, wherein two adjusting cavities which are vertically symmetrical and have a rightward opening are formed in the shell on the left side, two adjusting sliding columns which are vertically symmetrical are fixedly arranged on the left side surface of the shell on the right side, and the adjusting sliding columns extend into the adjusting cavities and are in sliding connection with the inner walls of the adjusting cavities.

Description

Measuring device capable of detecting flatness of wall

Technical Field

The invention relates to the field of building measuring equipment, in particular to a measuring device capable of detecting the flatness of a wall.

Background

When the building is built and the interior is decorated, the requirement on the flatness of the wall body is high, bulges are easy to generate when the wall body is heated, in addition, the wall body is also a problem of deflection, the appearance is slightly influenced, the wall body is seriously damaged, and the water seepage of the wall body is caused, so that the flatness of the wall body is required to be detected in the building and decoration of the wall body, the detection is generally carried out by manually adopting a horizontal ruler, the efficiency is low, in addition, when the wall bodies on two sides of a door opening are detected, the wall surfaces on two sides are difficult to detect simultaneously, and the detection value accuracy is not high.

Disclosure of Invention

In order to solve the problems, the embodiment designs a measuring device capable of detecting the flatness of a wall body, which comprises two bilaterally symmetrical shells, wherein two regulating cavities which are vertically symmetrical and have a right opening are formed in the shell on the left side, two regulating slide columns which are vertically symmetrical are fixedly arranged on the left side surface of the shell on the right side, the regulating slide columns extend into the regulating cavities and are in sliding connection with the inner walls of the regulating cavities, the two shells are provided with a detecting mechanism capable of detecting the flatness of a rear wall body on the sides far away from each other, the detecting mechanism comprises a rotating cavity which is formed in the shell and has an outward opening, the front wall of the rotating cavity is rotatably provided with a rotating table, a moving cavity with an outward opening is formed in the rotating table, a detecting plate is slidably arranged on the inner wall of the moving cavity, a movable screw rod is rotatably arranged between the upper wall and the lower wall of the moving cavity and penetrates through, the detection plate is in threaded connection with the inner wall of the detection plate, a limiting cavity is formed in the detection plate, a fixed screw is fixedly arranged between the upper wall and the lower wall of the moving cavity, a movable threaded sleeve is rotatably arranged between the upper wall and the lower wall of the limiting cavity, the fixed screw penetrates through the movable threaded sleeve and is in threaded connection with the movable threaded sleeve, a limiting gear is fixedly arranged on the periphery of the movable threaded sleeve, three moving blocks distributed in an array mode are arranged on the inner wall of the limiting cavity in a left-right sliding mode, a limiting block is fixedly arranged on the side face of each moving block close to the side face of the limiting gear and can be inserted into teeth of the limiting gear to limit the rotation of the limiting gear, an elastic sheet is fixedly arranged on the side face of each moving block far away from the limiting block, the elastic sheet is in a backward bending state, three arrays are arranged on the rear side of the limiting cavity in a communicated mode, a supporting block is fixedly arranged on the rear side surface of the supporting block, a detection ball is fixedly arranged on the rear side surface of the supporting block, control mechanisms which can control the rotation of the rotating table and control the sliding of the detection plate are symmetrically arranged in the two rotating cavities, and can control the detection plate and the rotating table to stop running when the detection ball detects an uneven wall surface, each control mechanism comprises an arc-shaped tooth block fixedly arranged on the arc-shaped wall of the rotating cavity, a supporting column is fixedly arranged between the upper side and the lower side of the inner ring surface of the arc-shaped tooth block, a driven shaft is rotatably arranged in the inner wall of the supporting column, two extending parts of the driven shaft extend into the rotating cavity, a power shaft is rotatably arranged on the inner ring surface of the arc-shaped tooth block, a driven disc is fixedly arranged on the side surface of the driven shaft close to the power shaft, six limiting sliding chutes which are symmetrical to the center of the, six in the connection pad with the connection pad center is the spring chamber of symmetry, the inner wall in spring chamber slides and is equipped with the power piece, the power piece with fixed mounting has connecting spring between the spring chamber inner wall, the power piece to driven plate side extension stretches into in the restriction spout, and with the inner wall sliding connection of restriction spout.

Preferably, a motor cavity with a right opening is formed in the shell on the left side, a motor is fixedly installed on the bottom wall of the motor cavity, spline shafts are arranged on the left side and the right side of the motor in a power connection mode, an installation cavity with a left opening is formed in the shell on the right side, a spline housing is rotatably installed on the right wall of the installation cavity, a left extending part of the spline housing extends into the motor cavity and is internally provided with a left spline cavity, the spline shafts on the right side extend into the spline cavities and are in spline connection with the inner wall of the spline cavities, belt cavities are formed in the two shells and are bilaterally symmetrical, a belt wheel shaft is fixedly arranged on the right side surface of the spline housing, the extending part of the belt wheel shaft extends into the belt cavity on the right side, the left extending part of the spline shaft extends into the belt cavity on the left side, the casing has been seted up the transmission chamber, two belt chamber bilateral symmetry, the transmission chamber with rotate in the inner wall between the belt chamber and be equipped with the cross axle, cross axle one side extension stretches into the belt intracavity is located the belt intracavity the cross axle with be located the left side the integral key shaft, and be located the belt intracavity the cross axle with equal transmission connection is equipped with transmission belt group between the belt shaft, cross axle opposite side extension stretches into the transmission intracavity, and it is located transmission intracavity end has set firmly the power carousel, the power axle extension runs through arc tooth piece with the inner wall of casing, and stretch into the transmission intracavity, and its end has set firmly the detection carousel, it is greater than to detect the carousel diameter the power carousel, the power carousel with the articulated connecting rod that is equipped with between the transmission chamber.

Preferably, the rear side face of revolving stage has set firmly the fixed axle, the fixed axle with pass through between the driven shaft driven bevel gear group transmission connection, the downside that removes the chamber has seted up the gear chamber, movable screw rod downwardly extending part stretches into in the gear chamber, the back wall in gear chamber rotates and is equipped with the gear shaft, the gear shaft with pass through between the movable screw rod drive bevel gear group transmission connection, gear shaft rearwardly extending part stretches into in the rotatory chamber, and its trailing flank has set firmly meshing gear, meshing gear is located the support column front side, the inner circle face of arc-shaped tooth piece has the tooth, meshing gear with the inner circle face meshing of arc-shaped tooth piece.

Preferably, the detection plate is located that the outside upper and lower sides all set firmly the connecting block, the casing is close to the detection plate side all sets firmly two longitudinal symmetry's fixed block, the leading flank of fixed block articulates and is equipped with the sleeve, be equipped with the outside slip chamber of opening in the sleeve, the slip intracavity slides and is equipped with the slide bar, the slide bar extension with the connecting block is articulated, the slide bar side with fixed mounting has expanding spring between the slip intracavity wall, the fore-set extension stretch into the restriction intracavity, and with the shell fragment butt, the trailing flank of supporting shoe with the leading flank fixed mounting of detection plate has detection spring.

Preferably, two vertically symmetrical clamping sleeves are fixedly arranged on the side face, close to the shell, of the shell, and the clamping sleeves can be clamped and installed on a door frame.

The invention has the beneficial effects that: the invention can simultaneously control the rotating platform to drive the detection plate to rotate back and forth and control the detection plate to lift back and forth when rotating, so that the detection plate controls the detection ball to contact more wall positions, the detection range is enlarged, the detection accuracy is improved, the detection ball contacts the wall to detect the raised part on the wall, the jack posts push the elastic sheet and control the moving block to move, thereby controlling the limiting block to limit the gear to rotate, enabling the detection plate to stop suddenly, accurately indicating the problem position of the wall, and enabling the power shaft to still normally rotate when the driven shaft stops suddenly through the matching arrangement of the driven plate and the connecting plate, thereby preventing the motor from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further explained below with reference to the figures and examples;

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

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is a schematic diagram of B-B of FIG. 2;

FIG. 4 is an enlarged schematic view of C in FIG. 3;

FIG. 5 is a schematic diagram of D-D of FIG. 4;

FIG. 6 is a schematic diagram of the structure of E-E in FIG. 4;

fig. 7 is an enlarged schematic view of the internal structure of the left detection plate 16 in the present invention;

fig. 8 is a schematic view of the structure of F-F in fig. 7.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a measuring device capable of detecting the flatness of a wall, which comprises two bilaterally symmetrical shells 26, two adjusting cavities 27 which are vertically symmetrical and have a rightward opening are arranged in the shell 26 on the left side, two adjusting sliding columns 28 which are vertically symmetrical are fixedly arranged on the left side surface of the shell 26 on the right side, the adjusting sliding columns 28 extend into the adjusting cavities 27 and are in sliding connection with the inner walls of the adjusting cavities 27, a detecting mechanism 101 capable of detecting the flatness of a rear side wall is arranged on the side, which is far away from each other, of the two shells 26, the detecting mechanism 101 comprises a rotating cavity 29 which is arranged in the shell 26 and has an outward opening, a rotating table 30 is rotatably arranged on the front wall of the rotating cavity 29, a moving cavity 21 with an outward opening is arranged in the rotating table 30, a detecting plate 16 is slidably arranged on the inner wall of the moving cavity 21, and a movable screw 23 is rotatably arranged between the upper wall and the lower wall of the moving, the movable screw 23 penetrates through the inner wall of the detection plate 16 and is in threaded connection with the inner wall of the detection plate 16, a limit cavity 19 is formed in the detection plate 16, a fixed screw 22 is fixedly arranged between the upper wall and the lower wall of the movable cavity 21, a movable threaded sleeve 62 is rotatably arranged between the upper wall and the lower wall of the limit cavity 19, the fixed screw 22 penetrates through the movable threaded sleeve 62 and is in threaded connection with the movable threaded sleeve 62, a limit gear 61 is fixedly arranged on the periphery of the movable threaded sleeve 62, three moving blocks 18 distributed in an array form are arranged on the inner wall of the limit cavity 19 in a left-right sliding mode, a limit block 20 is fixedly arranged on the side face, close to the limit gear 61, of each moving block 18, the limit gear 61 can be limited by the limit block 20 in a tooth insertion mode, an elastic sheet 17 is fixedly arranged on the side face, far away from the limit block 20, and the elastic sheet 17 is in a, the rear side of the limiting cavity 19 is communicated with three 67 distributed in an array, the inner wall of the 67 is provided with a top column 63 in a sliding manner, the extending part of the top column 63 extends out of the outside, the rear side surface of the top column is fixedly provided with a supporting block 64, the rear side surface of the supporting block 64 is fixedly provided with a detection ball 65, two rotating cavities 29 are internally and symmetrically provided with control mechanisms 102 which can control the rotating platform 30 to rotate and control the detection plate 16 to slide simultaneously and control the detection plate 16 and the rotating platform 30 to stop running when the detection ball 65 detects an uneven wall surface, each control mechanism 102 comprises an arc-shaped tooth block 36 fixedly arranged on the arc-shaped wall of the rotating cavity 29, a supporting column 34 is fixedly arranged between the upper side and the lower side of the inner ring surface of the arc-shaped tooth block 36, a driven shaft 39 is rotatably arranged in the inner wall of the supporting column 34, and two extending parts, the rotation of the inner circle face of arc-shaped tooth piece 36 is equipped with power shaft 42, driven shaft 39 is close to power shaft 42 side has set firmly driven plate 55, set up six in driven plate 55 with driven plate 55 center is limiting chute 56 of symmetry, power shaft 42 is close to driven shaft 39 side has set firmly connection pad 58, set up six in connection pad 58 with connection pad 58 center is spring chamber 60 of symmetry, the inner wall slip of spring chamber 60 is equipped with power piece 57, power piece 57 with fixed mounting has coupling spring 59 between spring chamber 60 inner wall, power piece 57 to driven plate 55 side extension part extends into in limiting chute 56, and with limiting chute 56's inner wall sliding connection.

Beneficially, a motor cavity 52 with a right opening is formed in the housing 26 on the left side, a motor 54 is fixedly mounted on the bottom wall of the motor cavity 52, spline shafts 53 are disposed on the left and right sides of the motor 54 in a power connection manner, a mounting cavity 50 with a left opening is formed in the housing 26 on the right side, a spline sleeve 49 is rotatably disposed on the right wall of the mounting cavity 50, a leftward extending portion of the spline sleeve 49 extends into the motor cavity 52 and is provided with a leftward opening spline cavity 51 therein, the spline shaft 53 on the right side extends into the spline cavity 51 and is in spline connection with the inner wall of the spline cavity 51, belt cavities 46 are formed in both the two housings 26, the two belt cavities 46 are bilaterally symmetrical, a belt pulley shaft 48 is fixedly disposed on the right side surface of the spline sleeve 49, an extending portion of the belt pulley shaft 48 extends into the belt cavity 46 on the right side, a leftward extending portion of the spline shaft 53 on the left side extends into the belt cavity 46 on, drive chamber 41 has been seted up in casing 26, two belt chamber 46 bilateral symmetry, drive chamber 41 with rotate in the inner wall between the belt chamber 46 and be equipped with cross axle 45, cross axle 45 one side extension stretches into in the belt chamber 46, be located in the belt chamber 46 cross axle 45 with be located the left side integral key shaft 53, and be located in the belt chamber 46 cross axle 45 with it is equipped with drive belt group 47 all to transmit between the band shaft 48, cross axle 45 opposite side extension stretches into in drive chamber 41, and it is located the terminal power carousel 44 that has set firmly in drive chamber 41, power axle 42 extension runs through arc-shaped tooth piece 36 with the inner wall of casing 26, and stretches into in the drive chamber 41, and its terminal detection carousel 40 that has set firmly, detection carousel 40 diameter is greater than power carousel 44, a connecting rod 43 is hinged between the power turntable 44 and the transmission cavity 41, through the spline connection between the spline shaft 53 and the spline housing 49, when the left and right positions of the two housings 26 are adjusted, the operation of the components in the two housings 26 can still be controlled by one motor 54, through the operation of the motor 54, the spline shaft 53 can drive the pulley shaft 48 to rotate, so that the transmission belt set 47 can drive the transverse shaft 45 to rotate, the power turntable 44 can drive the detection turntable 40 to rotate back and forth, and through the back and forth rotation of the detection turntable 40, the power shaft 42 can rotate back and forth. So that the connecting disc 58 and the power block 57 can drive the driven disc 55 to rotate back and forth, and the driven shaft 39 can rotate back and forth.

Beneficially, a fixed shaft 37 is fixedly arranged on the rear side surface of the rotating platform 30, the fixed shaft 37 is in transmission connection with the driven shaft 39 through the driven bevel gear set 38, a gear cavity 31 is formed on the lower side of the moving cavity 21, the downward extending part of the movable screw 23 extends into the gear cavity 31, a gear shaft 33 is arranged on the rear wall of the gear cavity 31 in a rotating manner, the gear shaft 33 is in transmission connection with the movable screw 23 through the driven bevel gear set 32, the rearward extending part of the gear shaft 33 extends into the rotating cavity 29, a meshing gear 35 is fixedly arranged on the rear side surface of the gear shaft 33, the meshing gear 35 is arranged on the front side of the supporting column 34, teeth are arranged on the inner ring surface of the arc-shaped tooth block 36, the meshing gear 35 is meshed with the inner ring surface of the arc-shaped tooth block 36, and the fixed shaft 37 can drive the rotating platform 30 to rotate back and forth through the back rotation of, the rotary table 30 can drive the detection plate 16 to rotate ninety degrees downwards and then to be reversely reset, meanwhile, the reciprocating rotation of the rotary table 30 can control the gear shaft 33 to rotate back and forth when the gear shaft 33 is meshed with the arc-shaped tooth block 36, so that the movable screw 23 can drive the detection plate 16 to lift back and forth, the detection plate 16 can achieve the rotating and sliding effects, the contact position of a wall body can be increased and detected, and the applicability is improved.

Beneficially, the upper side and the lower side of the detection plate 16, which are located outside, are fixedly provided with a connecting block 15, the side of the casing 26, which is close to the detection plate 16, is fixedly provided with two fixed blocks 12 which are symmetrical up and down, the front side of the fixed block 12 is hinged with a sleeve 13, the sleeve 13 is internally provided with a sliding cavity 24 with an outward opening, a sliding rod 14 is arranged in the sliding cavity 24 in a sliding manner, an extending part of the sliding rod 14 is hinged with the connecting block 15, a telescopic spring 25 is fixedly arranged between the side of the sliding rod 14 and the inner wall of the sliding cavity 24, an extending part of the supporting column 63 extends into the limiting cavity 19 and abuts against the elastic sheet 17, the rear side of the supporting block 64 and the front side of the detection plate 16 are fixedly provided with a detection spring 66, the sliding rod 14 and the sleeve 13 can be used for supporting the detection plate, when the detection plate 16 sliding box rotates, the detection ball 65 can be contacted with the wall surface, and when the detection ball 65 detects that the flatness of the wall surface is not high, the detection ball 65 and the supporting block 64 can drive the top pillar 63 to move towards the limiting cavity 19, so that the elastic sheet 17 can be restored to the horizontal state, the moving block 18 can be moved to the fixed screw 22 side, and then the limiting block 20 can be inserted into the teeth of the limiting gear 61 to limit the rotation of the limiting gear 61, the rotation of the movable threaded sleeve 62 of the fixing screw 22 can be stopped, and the operation of the detection plate 16 can be stopped, and by the fit relationship between the driven plate 55 and the connecting plate 58, when the driven shaft 39 is stuck, the power shaft 42 can still operate, and the position of the wall protrusion can be detected by stopping the detection plate 16.

Advantageously, two vertically symmetrical clamping sleeves 11 are fixedly arranged on the shell 26 close to the side face of the shell 26, the clamping sleeves 11 can be clamped and installed on a door frame, and the shell 26 can be installed on the door frame through the clamping sleeves 11 so as to detect the flatness of the wall body on two sides of the door opening.

The use steps herein are described in detail below with reference to fig. 1-8: in the initial state, the detection plate 16 is in a horizontal state, and the detection plate 16 is in a raised state.

When the device is used, the spline shaft 53 and the spline sleeve 49 are connected through the spline, so that when the left and right positions of the two shells 26 are adjusted, the components in the two shells 26 can still be controlled to operate through one motor 54, the spline shaft 53 can drive the pulley shaft 48 to rotate through the operation of the motor 54, the transmission belt set 47 can drive the transverse shaft 45 to rotate, the power turntable 44 can drive the detection turntable 40 to rotate back and forth, and the power shaft 42 can be driven to rotate back and forth through the back and forth rotation of the detection turntable 40. So that the connecting disc 58 and the power block 57 can drive the driven disc 55 to rotate back and forth, and further the driven shaft 39 can rotate back and forth, the fixed shaft 37 can drive the rotating platform 30 to rotate back and forth through the back and forth rotation of the driven shaft 39, and the rotating platform 30 can drive the detection plate 16 to rotate ninety degrees downwards and then to rotate reversely to reset, meanwhile, the back and forth rotation of the rotating platform 30 can control the gear shaft 33 to rotate back and forth when the gear shaft 33 is meshed with the arc-shaped tooth block 36, so that the movable screw 23 can drive the detection plate 16 to lift back and forth, and then the detection plate 16 can achieve the effects of rotation and sliding, the contact position of the wall body can be increased and detected, the applicability is improved, the sliding rod 14 and the sleeve 13 can be used for supporting the detection plate 16 to achieve the balance of the detection plate 16, when the sliding box of the detection plate 16 rotates, the detection ball 65 can be contacted with the wall surface, the detection ball 65 and the supporting block 64 can drive the ejection column 63 to move towards the limiting cavity 19, so that the elastic sheet 17 can be restored to the horizontal state, the moving block 18 can be moved towards the fixed screw 22, the limiting block 20 can be inserted into the limiting gear 61 between teeth of the limiting gear 61 to limit the rotation of the limiting gear 61, the movable threaded sleeve 62 of the shell 2 of the fixed screw 2 can be stopped, the detection plate 16 can be stopped, the power shaft 42 can still operate when the driven shaft 39 is blocked through the matching relationship between the driven disc 55 and the connecting disc 58, the protruding position of a wall body can be detected through the stopping of the detection plate 16, and the shell 26 can be installed on a door frame through the clamping sleeve 11, so that the flatness of the wall body on two sides of the door opening can be detected conveniently.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can detect measuring device of wall body roughness, includes two bilateral symmetry's casing, its characterized in that: the left side of the shell is internally provided with two vertically symmetrical adjusting cavities with right openings, the left side of the shell on the right side is fixedly provided with two vertically symmetrical adjusting sliding columns, the adjusting sliding columns extend into the adjusting cavities and are in sliding connection with the inner walls of the adjusting cavities, the two sides of the shell away from each other are provided with a detection mechanism capable of detecting the flatness of the rear side wall body, the detection mechanism comprises a rotating cavity with an outward opening, which is arranged in the shell, the front wall of the rotating cavity is rotatably provided with a rotating platform, a moving cavity with an outward opening is arranged in the rotating platform, the inner wall of the moving cavity is slidably provided with a detection plate, a movable screw rod is rotatably arranged between the upper wall and the lower wall of the moving cavity, the movable screw rod penetrates through the inner wall of the detection plate and is in threaded connection with the inner wall of the detection plate, a limiting cavity is arranged in the detection plate, and a fixed screw rod, a movable threaded sleeve is rotatably arranged between the upper wall and the lower wall of the limiting cavity, the fixed screw penetrates through the movable threaded sleeve and is in threaded connection with the movable threaded sleeve, a limiting gear is fixedly arranged on the periphery of the movable threaded sleeve, three moving blocks distributed in an array form are arranged on the inner wall of the limiting cavity in a left-right sliding mode, a limiting block is fixedly arranged on the side face of the moving block close to the side of the limiting gear, the limiting block can be inserted into teeth of the limiting gear to limit the rotation of the limiting gear, an elastic sheet is fixedly arranged on the side face of the moving block far away from the limiting block, the elastic sheet is in a backward bending state, the rear side of the limiting cavity is communicated with three arrays, a jacking column is arranged on the inner wall in a sliding mode, the extending part of the jacking column extends out of the outside, a supporting block is fixedly arranged on the rear; two of the rotary cavities are symmetrically provided with control mechanisms which can control the rotary table to rotate and control the detection plate to slide simultaneously, and can control the detection plate and the rotary table to stop running when the detection ball detects an uneven wall surface, each control mechanism comprises an arc-shaped tooth block fixedly arranged on the arc-shaped wall of the rotary cavity, a support column is fixedly arranged between the upper side and the lower side of the inner ring surface of each arc-shaped tooth block, a driven shaft is rotatably arranged in the inner wall of each support column, two extending parts of the driven shaft extend into the rotary cavity, a power shaft is rotatably arranged on the inner ring surface of each arc-shaped tooth block, a driven disc is fixedly arranged on the side surface of the driven shaft close to the power shaft, six limiting sliding grooves which are symmetrical to the center of the driven disc are formed in the driven disc, a connecting disc is fixedly arranged on the side surface of the power shaft close to the driven shaft, and, the inner wall in spring chamber slides and is equipped with the power piece, the power piece with fixed mounting has the connecting spring between the spring chamber inner wall, the power piece to driven plate side extension stretches into in the restriction spout, and with the inner wall sliding connection of restriction spout.

2. A measuring device capable of detecting the flatness of a wall according to claim 1, wherein: a motor cavity with a right opening is formed in the shell on the left side, a motor is fixedly installed on the bottom wall of the motor cavity, spline shafts are arranged on the left side and the right side of the motor in a power connection mode, an installation cavity with a left opening is formed in the shell on the right side, a spline housing is rotatably installed on the right wall of the installation cavity, a left extending part of the spline housing extends into the motor cavity, a left spline cavity is formed in the spline housing, the spline shafts on the right side extend into the spline cavity and are connected with an inner wall spline of the spline cavity, belt cavities are formed in the two shells, the two belt cavities are bilaterally symmetrical, a belt wheel shaft is fixedly arranged on the right side surface of the spline housing, the extending part of the belt wheel shaft extends into the belt cavity on the right side, the left extending part of the spline shaft extends into the belt cavity on the left, two belt chamber bilateral symmetry, the transmission chamber with it is equipped with the cross axle to rotate in the inner wall between the belt chamber, cross axle one side extension stretches into the belt intracavity is located the belt intracavity the cross axle with be located the left side the integral key shaft, and be located the belt intracavity the cross axle with equal transmission connection is equipped with transmission belt group between the band pulley axle, cross axle opposite side extension stretches into in the transmission intracavity, and it is located transmission intracavity end has set firmly the power carousel, power axle extension runs through arc tooth piece with the inner wall of casing, and stretches into the transmission intracavity, and its end has set firmly the detection carousel, it is greater than to detect the carousel diameter the power carousel, the power carousel with it is equipped with the connecting rod to articulate between the transmission chamber.

3. A measuring device capable of detecting the flatness of a wall according to claim 2, wherein: the trailing flank of revolving stage has set firmly the fixed axle, the fixed axle with pass through between the driven shaft driven bevel gear group transmission connection, the gear chamber has been seted up to the downside that removes the chamber, movable screw rod downwardly extending part stretches into the gear intracavity, the back wall in gear chamber rotates and is equipped with the gear shaft, the gear shaft with pass through between the movable screw rod drive bevel gear group transmission connection, gear shaft rearwardly extending part stretches into rotatory intracavity, and its trailing flank has set firmly meshing gear, meshing gear is located the support column front side, the interior flank of arc tooth piece has tooth, meshing gear with the interior flank meshing of arc tooth piece.

4. A measuring device capable of detecting the flatness of a wall according to claim 3, wherein: the detecting plate is characterized in that connecting blocks are fixedly arranged on the upper side and the lower side, which are located outside, of the detecting plate, two fixing blocks which are symmetrical up and down are fixedly arranged on the side face, close to the detecting plate, of the shell, a sleeve is hinged to the front side face of each fixing block, a sliding cavity with an outward opening is arranged in the sleeve, a sliding rod is arranged in the sliding cavity in a sliding mode, an extending portion of the sliding rod is hinged to the connecting blocks, a telescopic spring is fixedly arranged between the side face of the sliding rod and the inner wall of the sliding cavity, an extending portion of a top post extends into the limiting cavity and is abutted to the elastic piece, and a detecting spring is fixedly arranged.

5. A measuring device capable of detecting the flatness of a wall according to claim 4, wherein: the shell is close to the side of the shell, two clamping sleeves which are symmetrical up and down are fixedly arranged on the side of the shell, and the clamping sleeves can be clamped and installed on a door frame.