阅读说明：本技术 一种房建质量检测用内墙厚度测量系统 (Interior wall thickness measurement system for quality testing is built in room ) 是由 李硕 李洋 陈峥 李欢 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种房建质量检测用内墙厚度测量系统,包括移动支撑底盘,所述移动支撑底盘的内部中心固定连接有测量卡扣装置,所述移动支撑底盘的两端对称滑动插接有固定限位装置,所述固定限位装置包括固定螺纹杆、螺纹套筒、固定限位插杆和移动接触卡板,所述固定螺纹杆螺纹插接在螺纹套筒的内部中心,所述螺纹套筒转动连接在移动接触卡板靠近固定螺纹杆的一侧中心,所述固定限位插杆对称固定连接在移动接触卡板的侧面,且所述固定限位插杆位于螺纹套筒的两端。本发明通过测量卡扣装置的设置,可完成墙壁两边和顶端厚度测量工作,且在测量的同时,可完成找平的工作,提升工作效率。(The invention discloses an inner wall thickness measuring system for building quality detection, which comprises a movable supporting chassis, wherein the inner center of the movable supporting chassis is fixedly connected with a measuring buckle device, two ends of the movable supporting chassis are symmetrically inserted with fixed limiting devices in a sliding manner, each fixed limiting device comprises a fixed threaded rod, a threaded sleeve, a fixed limiting inserted rod and a movable contact clamping plate, the fixed threaded rod is inserted in the inner center of the threaded sleeve in a threaded manner, the threaded sleeve is rotationally connected to the center of one side, close to the fixed threaded rod, of the movable contact clamping plate, the fixed limiting inserted rods are symmetrically and fixedly connected to the side face of the movable contact clamping plate, and the fixed limiting inserted rods are positioned at two ends of the threaded sleeve. According to the invention, the thickness measurement work of two sides and the top end of the wall can be completed by arranging the measuring buckle device, and the leveling work can be completed while the measurement is carried out, so that the work efficiency is improved.)

1. The utility model provides a quality testing is built in room is with interior wall thickness measurement system, supports chassis (2) including removing, its characterized in that: the measuring buckle device (3) is fixedly connected to the center of the inner portion of the movable supporting chassis (2), and the two ends of the movable supporting chassis (2) are symmetrically inserted with the fixed limiting devices (1) in a sliding and inserting mode.

2. The system of claim 1, wherein the system comprises: the fixed limiting device (1) comprises a fixed threaded rod (4), a threaded sleeve (5), a fixed limiting inserted bar (6) and a movable contact clamping plate (7), wherein the fixed threaded rod (4) is in threaded connection with the inner center of the threaded sleeve (5), the threaded sleeve (5) is rotatably connected with the center of one side, close to the fixed threaded rod (4), of the movable contact clamping plate (7), the fixed limiting inserted bar (6) is symmetrically and fixedly connected with the side surface of the movable contact clamping plate (7), and the fixed limiting inserted bar (6) is located at two ends of the threaded sleeve (5); the movable supporting chassis (2) comprises supporting push rods (8), fastening limit screws (9), a fixed chute base (10), a movable runner chassis (11) and auxiliary limit screws (12), the supporting push rods (8) are symmetrically and fixedly connected to the tops of the two sides of the fixed chute base (10), the auxiliary limit screws (12) are symmetrically and threadedly inserted into the two sides of the fixed chute base (10), the auxiliary limit screws (12) are located below the supporting push rods (8), the fastening limit screws (9) are symmetrically and threadedly inserted into four corners of the top end of the fixed chute base (10), and the fixed chute base (10) is fixedly connected to the top end of the movable runner chassis (11); the measuring buckle device (3) comprises a door head measuring system (13), a supporting and limiting device (14) and a door frame measuring system (15), wherein the door head measuring system (13) is symmetrically inserted into two sides of the top end of the supporting and limiting device (14) in a sliding manner, and the door frame measuring system (15) is symmetrically inserted into two ends of the supporting and limiting device (14) in a sliding manner; the door frame measuring system (15) comprises a display pointer (16), a fixing screw rod (17), a supporting clamp key (18), an auxiliary measuring extension arm (19), a fastening nut (20), a supporting limit key (21) and a measuring clamp groove (22), the auxiliary measuring extension arms (19) are symmetrically inserted in the measuring clamping groove (22) in a sliding manner, the measuring clamping grooves (22) are symmetrically arranged in the supporting limit keys (21), the fixed screw (17) is inserted in the side end of the supporting limit key (21) in a sliding way, the fastening nut (20) is symmetrically sheathed on the fixed screw (17) in a threaded manner, the display pointer (16) is symmetrically and fixedly connected with the top and the bottom of one end of the support limit key (21) departing from the auxiliary measurement extension arm (19), the support clamping keys (18) are symmetrically and fixedly connected to the center of one end, away from the display pointer (16), of the support limiting key (21); the auxiliary measuring extension arm (19) comprises a limiting fixed spring (23), a fixed inserting key (24) and a transverse plate (25), the fixed inserting key (24) is symmetrically and fixedly connected to one end of the transverse plate (25), and the limiting fixed spring (23) is symmetrically and fixedly connected to the center of the side end of the fixed inserting key (24); the supporting and limiting device (14) comprises a limiting clamping groove (26), a supporting and fixing plate (27), a fixed adaptive groove (28), a limiting threaded rod (29), a rotating sleeve (30) and a motor (31), the rotating sleeve (30) is fixedly connected to the center of the top end of the motor (31), the limiting threaded rod (29) is in threaded connection with the center of the inside of the rotating sleeve (30), the supporting and fixing plate (27) is fixedly welded to the top end of the limiting threaded rod (29), the fixed adaptive grooves (28) are symmetrically formed in the inner portions of two ends of the supporting and fixing plate (27), and the limiting clamping groove (26) is formed in the center of the top end of the supporting and fixing plate (27); the door head measuring system (13) comprises a moving clamping plate (32), an auxiliary driving wheel (33), a limiting moving key (34), a fastening spring (35) and a U-shaped pointer (36), wherein the U-shaped pointer (36) is symmetrically and fixedly connected to the bottom of the side end of the moving clamping plate (32), the limiting moving key (34) is fixedly welded to the center of the bottom end of the moving clamping plate (32), the auxiliary driving wheel (33) is connected to the center of the inside of the moving clamping plate (32) in an equidistance rotating mode, and the fastening spring (35) is symmetrically and fixedly connected to the side end, away from the auxiliary driving wheel (33), of the moving clamping plate (32); the top ends and the bottom ends of the supporting and fixing plate (27) and the supporting and limiting keys (21) are respectively marked with a scale line.

3. The system of claim 2, wherein the system comprises: and the fastening nut (20) is attached to the side end of the support limit key (21) when screwed to the limit position.

4. The system of claim 3, wherein the system comprises: cylindrical holes are formed in the two ends of the fixed sliding groove base (10), and the fixed threaded rod (4) is fixedly connected to the inner portions of the cylindrical holes.

5. The system of claim 4, wherein the inner wall thickness measuring system for detecting the building quality comprises: the side end of the movable contact clamping plate (7) is provided with protective grains.

6. The system of claim 5, wherein the inner wall thickness measuring system for detecting the building quality comprises: and jacks matched with the fixed limiting insertion rods (6) are formed at two ends of the fixed sliding groove base (10).

Technical Field

The invention relates to the technical field of house detection equipment, in particular to an inner wall thickness measuring system for detecting building quality.

Background

According to chinese patent No. CN211012766U, the utility model discloses a quality testing is built in room uses interior wall thickness measurement system, including the frame plate, the handle has been installed to the lower surface of frame plate, and the built-in chi board that is equipped with of frame plate, the front surface of chi board are equipped with scale mark and numeral respectively, and the cover is equipped with the sliding sleeve on the chi board, and the handle has been installed to the one end of sliding sleeve, and the one end of frame plate is equipped with the sliding port. The handle is pulled backwards, the sliding sleeve is driven to move on the ruler plate towards the body direction of an operator until the conical tips of the first point cone and the second point cone are in contact with the inner wall, when bubbles inside the leveling plate are in the central scale marks, the fact that the inner wall backstep measuring system is transversely placed enough can be represented, the scale marks and the numbers corresponding to one end, corresponding to the body of the operator, of the sliding sleeve are the thickness to be measured, the inner wall backstep measuring system is prevented from being used for measuring in an uneven placing position in the measuring process, meanwhile, the first point cone and the second point cone are adopted to be in contact with two end faces of the inner wall, and the fact that the measuring position is in contact with the uneven portion of the end face of the inner wall is avoided.

When the house construction is finished, the wall or the ground inside the house is required to be checked, so that material is reduced by a building manufacturer, the most basic problem in house detection is to measure the thickness of the wall, the measuring tape can be stretched at the side end of a door frame of the wall by using the measuring tape by personnel, the thickness of the wall can be measured, the thickness of the wall can be rapidly and effectively measured by manually using the measuring tape, but the height of the measuring tape is uneven when the measuring tape is stretched by a manual measuring method, so that an error occurs in measurement, whether the wall is level or not cannot be detected by the conventional detection method, and the work of measuring the thickness of the wall cannot be completed in some higher areas, so that an equipment is required to improve the problems.

Disclosure of Invention

The invention aims to provide an inner wall thickness measuring system for detecting building quality, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a system for measuring the thickness of an inner wall for detecting the quality of a building comprises a movable supporting chassis, wherein a measuring buckle device is fixedly connected to the center of the interior of the movable supporting chassis, and fixed limiting devices are symmetrically inserted into two ends of the movable supporting chassis in a sliding manner;

the fixed limiting device comprises a fixed threaded rod, a threaded sleeve, fixed limiting insertion rods and a movable contact clamping plate, wherein the fixed threaded rod is in threaded insertion in the center of the interior of the threaded sleeve, the threaded sleeve is rotationally connected to the center of one side, close to the fixed threaded rod, of the movable contact clamping plate, the fixed limiting insertion rods are symmetrically and fixedly connected to the side face of the movable contact clamping plate, and the fixed limiting insertion rods are located at two ends of the threaded sleeve;

the movable support chassis comprises a support push rod, fastening limit screws, a fixed chute base, a movable runner chassis and auxiliary limit screws, the support push rod is symmetrically and fixedly connected to the tops of the two sides of the fixed chute base, the auxiliary limit screws are symmetrically inserted into the two sides of the fixed chute base in a threaded manner, the auxiliary limit screws are positioned below the support push rod, the fastening limit screws are symmetrically inserted into the four corners of the top end of the fixed chute base in a threaded manner, and the fixed chute base is fixedly connected to the top end of the movable runner chassis;

the measuring buckle device comprises a door head measuring system, a supporting and limiting device and a door frame measuring system, wherein the door head measuring system is symmetrically inserted into two sides of the top end of the supporting and limiting device in a sliding manner, and the door frame measuring system is symmetrically inserted into two ends of the supporting and limiting device in a sliding manner;

the door frame measuring system comprises a display pointer, a fixing screw rod, a supporting clamp key, an auxiliary measuring extension arm, a fastening nut, a supporting limit key and a measuring clamping groove, wherein the auxiliary measuring extension arm is symmetrically inserted in the measuring clamping groove in a sliding manner, the measuring clamping groove is symmetrically formed in the supporting limit key, the fixing screw rod is inserted in the side end of the supporting limit key in a sliding manner, the fastening nut is symmetrically sleeved on the fixing screw rod in a threaded manner, the display pointer is symmetrically and fixedly connected to the top and the bottom of one end, away from the auxiliary measuring extension arm, of the supporting limit key, and the supporting clamp key is symmetrically and fixedly connected to the center of one end, away from the display pointer, of the supporting limit key;

the auxiliary measuring extension arm comprises a limiting fixed spring, a fixed inserting key and a transverse plate, the fixed inserting key is symmetrically and fixedly connected to one end of the transverse plate, and the limiting fixed spring is symmetrically and fixedly connected to the center of the side end of the fixed inserting key;

the supporting and limiting device comprises a limiting clamping groove, a supporting and fixing plate, a fixed adaptive groove, a limiting threaded rod, a rotating sleeve and a motor, wherein the rotating sleeve is fixedly connected to the center of the top end of the motor, the limiting threaded rod is in threaded connection with the center of the inside of the rotating sleeve, the supporting and fixing plate is fixedly welded to the top end of the limiting threaded rod, the fixed adaptive groove is symmetrically arranged inside two ends of the supporting and fixing plate, and the limiting clamping groove is arranged in the center of the top end of the supporting and fixing plate;

the door head measuring system comprises a movable clamping plate, an auxiliary driving wheel, a limiting moving key, a fastening spring and a U-shaped pointer, wherein the U-shaped pointer is symmetrically and fixedly connected to the bottom of the side end of the movable clamping plate, the limiting moving key is fixedly welded to the center of the bottom end of the movable clamping plate, the auxiliary driving wheel is connected to the center of the inner portion of the movable clamping plate in an equidistance rotating mode, and the fastening spring is symmetrically and fixedly connected to the side end, deviating from the auxiliary driving wheel, of the movable clamping plate.

Preferably, the top ends and the bottom ends of the supporting and fixing plate and the supporting and limiting keys are respectively marked with a scale line.

Preferably, the fastening nut is attached to the side end of the supporting limit key when screwed to the limit position.

Preferably, the two ends of the fixed chute base are internally provided with cylindrical holes, and the fixed threaded rod is fixedly connected inside the cylindrical holes.

Preferably, the side end of the movable contact clamping plate is provided with a protective line.

Preferably, the two ends of the fixed chute base are provided with jacks matched with the fixed limit insertion rods.

Preferably, the fastening limit screw is fastened with the fixed limit inserting rod when screwed to the limit position.

Preferably, the limiting fixed spring is fixedly connected to one end of the inner part of the measuring clamping groove.

Preferably, the top end of the moving clamping plate is arranged in a 45-degree slope.

Preferably, the movable clamping plate further comprises a protective gasket and an anti-slip top plate, the protective gasket is fixedly connected to the side end of the movable clamping plate, the anti-slip top plate is fixedly connected to the top end of the movable clamping plate, and the protective gasket and the anti-slip top plate are made of wear-resistant plastic.

Compared with the prior art, the invention has the following beneficial effects:

the fixed limiting devices can be symmetrically inserted at two ends inside the movable supporting chassis in a sliding manner and can extend towards the two ends, so that the fixed limiting devices can be moved outwards to be flush with the door frame, the stability of the device in use can be improved, the movable supporting chassis can be integrally fixed with the ground by screwing an auxiliary mechanism inside the movable supporting chassis downwards to a limit position, the phenomenon that the movable supporting chassis shakes during operation can be prevented, the fixed limiting devices can be fixed at a specified working position by screwing the fixed devices inside the top end of the movable supporting chassis downwards to the limit position, the fixed limiting devices are prevented from moving backwards again, the extending devices are arranged inside the fixed limiting devices, the outward expanding distance of the fixed limiting devices can be improved, the movable supporting chassis can adapt to door frames with different sizes, and the fixed limiting devices are fixedly connected to the top end of the movable supporting chassis by measuring buckle devices, and the inside fixed mounting who measures buckle device has hoisting device, through opening hoisting device, can upwards remove the inside measurement system of measuring buckle device, through the inside measurement system who measures buckle device constantly upwards removes, can measure out the thickness of wall, and the inside measurement system of measuring buckle device has the function of making level, can be when measuring wall thickness, measure whether parallel and level of wall, it has supplementary measurement system to connect through the inside slip joint of measuring buckle device, when measuring buckle device upwards removes to the top, through the setting of supplementary measurement system, can accomplish measurement work with higher region.

Drawings

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

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

FIG. 2 is a bottom view of the main body of the present invention;

FIG. 3 is a schematic view of the fixing and limiting device of the present invention;

FIG. 4 is a schematic view of the mobile support chassis of the present invention;

FIG. 5 is a schematic structural view of a measuring buckle device according to the present invention;

FIG. 6 is a schematic view of a door frame measurement system of the present invention;

FIG. 7 is a schematic view of an auxiliary measuring extension arm of the present invention;

FIG. 8 is a schematic view of the support and stop device of the present invention;

FIG. 9 is a schematic view of a door head measurement system of the present invention;

figure 10 is a schematic view of a second embodiment of the mobile card of the present invention.

In the figure: 1-fixed limiting device, 2-movable supporting chassis, 3-measuring buckle device, 4-fixed threaded rod, 5-threaded sleeve, 6-fixed limiting inserted rod, 7-movable contact clamping plate, 8-supporting push rod, 9-fastening limiting screw, 10-fixed chute base, 11-movable rotating wheel chassis, 12-auxiliary limiting screw, 13-door head measuring system, 14-supporting limiting device, 15-door frame measuring system, 16-display pointer, 17-fixed screw, 18-supporting clamping key, 19-auxiliary measuring extension arm, 20-fastening nut, 21-supporting limiting key, 22-measuring clamping groove, 23-limiting fixed spring, 24-fixed inserted key, 25-transverse plate, 26-limiting clamping groove, 27-a supporting and fixing plate, 28-a fixed adaptive groove, 29-a limiting threaded rod, 30-a rotating sleeve, 31-a motor, 32-a moving clamping plate, 33-an auxiliary driving wheel, 34-a limiting moving key, 35-a fastening spring, 36-a U-shaped pointer, 37-a protective gasket and 38-an anti-skidding top plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is further described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1-2, an embodiment of the present invention is shown: a building quality detection inner wall thickness measuring system comprises a movable supporting chassis 2, a measuring buckle device 3 is fixedly connected to the inner center of the movable supporting chassis 2, and fixed limiting devices 1 are symmetrically inserted into two ends of the movable supporting chassis 2 in a sliding and inserting mode;

as shown in fig. 3, the fixed limiting device 1 comprises a fixed threaded rod 4, a threaded sleeve 5, a fixed limiting inserted link 6 and a movable contact clamping plate 7, wherein the fixed threaded rod 4 is inserted in the center of the interior of the threaded sleeve 5 in a threaded manner, the threaded sleeve 5 is rotatably connected to the center of one side of the movable contact clamping plate 7 close to the fixed threaded rod 4, the fixed limiting inserted links 6 are symmetrically and fixedly connected to the side surface of the movable contact clamping plate 7, and the fixed limiting inserted links 6 are positioned at two ends of the threaded sleeve 5;

as shown in fig. 4, the movable supporting chassis 2 includes a supporting push rod 8, fastening limit screws 9, a fixed chute base 10, a movable runner chassis 11 and auxiliary limit screws 12, the supporting push rod 8 is symmetrically and fixedly connected to the tops of the two sides of the fixed chute base 10, the auxiliary limit screws 12 are symmetrically and threadedly inserted into the two sides of the fixed chute base 10, the auxiliary limit screws 12 are located below the supporting push rod 8, the fastening limit screws 9 are symmetrically and threadedly inserted into the four corners of the top end of the fixed chute base 10, and the fixed chute base 10 is fixedly connected to the top end of the movable runner chassis 11;

as shown in fig. 5, the measuring buckle device 3 includes a door head measuring system 13, a supporting and limiting device 14 and a door frame measuring system 15, the door head measuring system 13 is symmetrically inserted into two sides of the top end of the supporting and limiting device 14 in a sliding manner, and the door frame measuring system 15 is symmetrically inserted into two ends of the supporting and limiting device 14 in a sliding manner;

as shown in fig. 6, the doorframe measuring system 15 includes a display pointer 16, a fixing screw 17, a supporting clamp key 18, an auxiliary measuring extension arm 19, a fastening nut 20, a supporting limit key 21 and a measuring clamp slot 22, wherein the auxiliary measuring extension arm 19 is symmetrically inserted into the measuring clamp slot 22 in a sliding manner, the measuring clamp slot 22 is symmetrically opened inside the supporting limit key 21, the fixing screw 17 is inserted into the side end of the supporting limit key 21 in a sliding manner, the fastening nut 20 is symmetrically screwed onto the fixing screw 17 in a sleeving manner, the display pointer 16 is symmetrically and fixedly connected to the top and the bottom of the supporting limit key 21 at the end deviating from the auxiliary measuring extension arm 19, and the supporting clamp key 18 is symmetrically and fixedly connected to the center of the supporting limit key 21 at the end far from the display pointer 16;

as shown in fig. 7, the auxiliary measuring extension arm 19 includes a limiting fixing spring 23, a fixing inserting key 24 and a transverse plate 25, the fixing inserting key 24 is symmetrically and fixedly connected to one end of the transverse plate 25, and the limiting fixing spring 23 is symmetrically and fixedly connected to the center of the side end of the fixing inserting key 24;

as shown in fig. 8, the supporting and limiting device 14 includes a limiting slot 26, a supporting and fixing plate 27, a fixed adaptive slot 28, a limiting threaded rod 29, a rotating sleeve 30 and a motor 31, the rotating sleeve 30 is fixedly connected to the center of the top end of the motor 31, the limiting threaded rod 29 is screwed into the center of the rotating sleeve 30, the supporting and fixing plate 27 is fixedly welded to the top end of the limiting threaded rod 29, the fixed adaptive slots 28 are symmetrically arranged inside two ends of the supporting and fixing plate 27, and the limiting slot 26 is arranged in the center of the top end of the supporting and fixing plate 27;

referring to fig. 9, the door head measuring system 13 includes a moving catch plate 32, an auxiliary transmission wheel 33, a limiting moving key 34, a fastening spring 35 and a U-shaped pointer 36, the U-shaped pointer 36 is symmetrically and fixedly connected to the bottom of the side end of the moving catch plate 32, the limiting moving key 34 is fixedly welded to the center of the bottom end of the moving catch plate 32, the auxiliary transmission wheel 33 is rotatably connected to the center of the inside of the moving catch plate 32 at equal intervals, and the fastening spring 35 is symmetrically and fixedly connected to the side end of the moving catch plate 32 away from the auxiliary transmission wheel 33.

In the implementation of this embodiment, the fixed chute base 10 is first fixedly connected to the top end of the movable wheel chassis 11, the supporting push rod 8 can be pushed, the device can be moved to between the door frames, when the device is moved to between the door frames, the auxiliary limit screw 12 is screwed down to be attached to the ground, at the same time, the threaded sleeve 5 is screwed outward to drive the movable contact clamping plate 7 to move outward to be attached to the wall, the fastening limit screws 9 are respectively screwed down to be fastened to the fixed limit inserting rods 6, at this time, the fastening nuts 20 are respectively screwed inward to drive the supporting limit keys 21 to move inward until the supporting limit keys 21 are attached to the wall, the motor 31 is then powered on to drive the rotating sleeve 30 to rotate, while the rotating sleeve 30 rotates, the limit threaded rod 29 and the supporting fixing plate 27 move upward at the same time, when the supporting fixing plate 27 rises, the auxiliary measuring extension arm 19 and the supporting limit key 21 can be driven to move upwards to finish the measuring work of measuring the side end of the wall, the transverse plate 25 is parallel to the supporting limit key 21 in the process of lifting the supporting limit key 21, when the transverse plate 25 moves outwards, the phenomenon that the wall surface is uneven can be judged, meanwhile, the supporting limit key 21 can continuously lift until the side end of the whole wall is measured, and meanwhile, when the supporting fixing plate 27 rises to the highest point of a door frame, the movable clamping plates 32 are respectively clamped between the walls to drive the U-shaped pointer 36 to finish the measuring work of the top wall;

when in use, the auxiliary limit screw 12 is screwed downwards to be flush with the ground, so that the stability of the device in use can be improved, the movable contact clamping plate 7 can be driven to be attached to the wall by downwards moving the screwing threaded sleeve 5, the side end of the movable contact clamping plate 7 is provided with anti-slip lines, so that the wall surface can be prevented from being scratched, the fixed limit inserting rod 6 is symmetrically and fixedly connected to the side end of the movable contact clamping plate 7, the fastening limit screw 9 is fastened with the fixed limit inserting rod 6 when screwed downwards to a limit position, so that the fixed limit inserting rod 6 and the movable contact clamping plate 7 can be limited in position, the movable contact clamping plate 7 is prevented from inwards sliding, the fixed limit inserting rod 18 is symmetrically and fixedly connected to one end of the support limit key 21, the fixed adaptive groove 28 is arranged inside the side end of the support fixing plate 27, and the support clamping key 18 can be slidably inserted into the fixed adaptive groove 28, thereby ensuring that the supporting limit key 21 moves inwards along a straight line, scale lines are respectively marked on the top end and the bottom end of the supporting fixed plate 27, the display pointer 16 is symmetrically and fixedly connected with the top end and the bottom end of one end of the supporting limit key 21, when the supporting limit key 21 moves, the display pointer 16 can be driven to move on the two ends of the supporting fixed plate 27, thereby being convenient for adjusting the size, the scale lines are marked on the top end and the bottom end of the supporting limit key 21, when the wall surface is not level, the transverse plate 25 can be driven to move on the side end of the supporting limit key 21, the transverse plate 25 is symmetrically and fixedly connected with one end of the inner part of the measuring clamping groove 22 through the limiting fixed spring 23, the fixed inserting key 24 is symmetrically and fixedly connected with one end of the transverse plate 25, the transverse plate 25 can be pulled to move inwards all the time through the arrangement of the limiting fixed spring 23, and the fixed inserting key 24 is inserted in the inner part of the measuring clamping groove 22 in a sliding way, the transverse plate 25 can be ensured to move along a straight line, the transverse plate 25 is prevented from falling off from the inside of the measuring clamping groove 22, the limiting moving key 34 is fixedly connected to the bottom end of the moving clamping plate 32, the limiting clamping groove 26 is arranged inside the top end of the supporting and fixing plate 27, the limiting moving key 34 can be inserted into the limiting clamping groove 26 in a sliding mode, the moving clamping plate 32 can be ensured to move inwards along the straight line, the limiting moving key is symmetrically and fixedly connected to the side end of the moving clamping plate 32 through a fastening spring 35, the moving clamping plate 32 can be extruded to move inwards all the time, the phenomenon that the moving clamping plate 32 is scraped with a wall when the moving clamping plate 32 rises can be avoided through the arrangement that the top end of the moving clamping plate 32 is in a 45-degree slope, the auxiliary driving wheels 33 are connected to the inside of the moving clamping plate 32 in an equidistance rotating mode, the smoothness of the moving clamping plate 32 on the wall can be improved, and the transverse plate is symmetrically and fixedly connected to the bottoms of the two ends of the moving clamping plate 32 through U-shaped pointers 36, when the moving card 32 is moving, the U-shaped pointer 36 is driven to slide on the bottom end of the supporting and fixing plate 27, so that the thickness of the top wall surface can be observed.

Example 2

On the basis of embodiment 1, as shown in fig. 10, the movable clamping plate 32 further includes a protective gasket 37 and an anti-slip top plate 38, the protective gasket 37 is fixedly connected to the side end of the movable clamping plate 32, the anti-slip top plate 38 is fixedly connected to the top end of the movable clamping plate 32, and the protective gasket 37 and the anti-slip top plate 38 are both made of wear-resistant plastic.

This embodiment is when implementing, when removing cardboard 32 for protective pad 37 and anti-skidding roof 38, can be with protective pad 37 fixed connection on the side of removing cardboard 32, make can avoid taking place the friction with the wall when, will remove cardboard 32 and damage, through anti-skidding roof 38 fixed connection on the top of removing cardboard 32, can avoid taking place rigidity collision with the wall when the butt joint wall, and the material of protective pad 37 and anti-skidding roof 38 is wear-resisting plastic, consequently can promote and remove holistic wear resistance and life-span of cardboard 32.

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