CN210512989U

CN210512989U - Prefabricated wall surface course roughness detects instrument

Info

Publication number: CN210512989U
Application number: CN201922007895.2U
Authority: CN
Inventors: 常彬; 于珊; 高宇先
Original assignee: China 22MCC Group Corp Ltd
Current assignee: China 22MCC Group Corp Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-05-12
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a flatness detection tool for a surface layer of a prefabricated wall body, which comprises a detection ruler body, wherein two ends of the detection ruler body are respectively connected with a stand column, and the surfaces of the stand columns at two sides are provided with horizontal reference scales of the detection ruler body; the detection ruler body is of a box body structure, an observation window is formed in the front side plate of the detection ruler body, sliding grooves are formed in the center lines of the upper side plate and the lower side plate, and positioning holes with the aperture larger than that of each sliding groove are uniformly distributed in each sliding groove; a pointer is arranged in the sliding groove, a part of the pointer between the upper side plate and the lower side plate is provided with a pointer, and the same spring is arranged between the pointer and the upper side plate and between the pointer and the lower side plate; the measuring needle of the detection tool is convenient to translate and position in the detection ruler body, is fixed in the positioning hole stably, ensures accurate measurement results and provides a favorable reference for construction of constructors.

Description

Prefabricated wall surface course roughness detects instrument

Technical Field

The utility model relates to a precast shear wall surface roughness detects instrument.

Background

The prefabricated shear wall components are all constructed by adopting a flat-bed construction method in the production process. After concrete pouring is finished, a hanging bar is generally adopted to cling to the top of a peripheral mould of a component and translate from one side to the other side for leveling, and then the top is plastered and polished. In the construction process, the aluminum alloy hanging bar has lower rigidity, and the middle concrete is continuously accumulated when the hanging bar translates, so that the middle of the scraping bar is jacked up and arched upwards, and the middle of the wall is bulged when the wall is finally formed; furthermore, the top surface of the mold around the component may have some residual hardened concrete, so that the scraping bar may be moved to the residual position along the top surface of the mold and the scraping bar may be bumped up and down to cause uneven surface. If the construction defects can not be timely modified in the construction period, the prefabricated shear wall is unqualified when being checked and accepted, the wall body has poor receiving surface, the appearance is influenced, and the construction precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prefabricated wall body roughness detects instrument to the fixed shakiness of measuring part, influences the problem of testing result, carries out institutional advancement to detecting the instrument.

In order to achieve the purpose of the invention, the utility model adopts the specific technical scheme that:

a prefabricated wall surface layer flatness detection tool comprises a detection ruler body, wherein two ends of the detection ruler body are respectively connected with stand columns, and the surfaces of the stand columns on two sides are provided with horizontal reference scales of the detection ruler body; the detection ruler body is of a box body structure, an observation window is formed in the front side plate of the detection ruler body, sliding grooves are formed in the center lines of the upper side plate and the lower side plate, and positioning holes with the aperture larger than that of each sliding groove are uniformly distributed in each sliding groove; a pointer is arranged in the sliding groove, a part of the pointer between the upper side plate and the lower side plate is provided with a pointer, and the same spring is arranged between the pointer and the upper side plate and between the pointer and the lower side plate; the intersection part of the measuring needle and the measuring ruler body is in a gourd shape, the size of the thin waist part of the gourd shape is matched with the sliding groove, the size of the large-belly part of the gourd shape is matched with the positioning hole, and the pointer is fixed in the middle of the thin waist part of the gourd shape.

Furthermore, a thinner needle body is arranged below the gourd-shaped part of the measuring needle, and the whole length from the pointer to the gourd-shaped lower large-belly part is smaller than or equal to the distance between the upper side plate and the lower side plate.

The utility model provides a wall body surface course roughness detects instrument, the shift of survey needle in detecting the chi body, location convenient operation, fixed stable in the locating hole, it is accurate to guarantee the measuring result, provides favourable reference for the constructor construction.

Drawings

FIG. 1 is a structural diagram of the detection ruler;

FIG. 2 is a diagram of the structure of the stylus of the present invention;

FIG. 3 is a structure for detecting the depression angle of the ruler body;

FIG. 4 is a view showing an installation state of the stylus;

FIG. 5 is a reference diagram of the probe movement during wall inspection.

In the figure: the detection ruler comprises a detection ruler body 1, an observation window 2, a vertical rod 3, a measuring pin 4, an upper big belly 41, a thin waist part 42, a lower big belly 43, a pointer 5, a spring 6, a sliding groove 7 and a positioning hole 8.

Detailed Description

The technical solution of the present invention will be described in detail, clearly and completely.

The flatness detection tool for the surface layer of the prefabricated wall body comprises a detection ruler body 1, a measuring pin 4 and upright posts 3, wherein the upright posts 3 are respectively arranged at two ends of the detection ruler body 1, and the height of the detection ruler body 1 is randomly adjusted along the upright posts 3; an observation window 2 is opened on the front side plate of the detection ruler body 1, a chute 7 is arranged on the detection ruler body, a measuring needle 4 is vertically arranged in the chute 7, the bottom of the measuring needle extends towards the surface direction of a detected structure, a pointer 5 is arranged on the measuring needle 4, a spring 6 is arranged between the upper side of the pointer 5 and the detection ruler body 1, the spring 6 is arranged between the lower side of the pointer 5 and the detection ruler body, and the upper spring and the lower spring of the pointer 5 are the same. When the measuring ruler is used, the measuring ruler body is guaranteed to be parallel to a wall body to be detected, the measuring needle translates in the sliding groove, and whether the distance change reaction surface layer at the bottom of the measuring needle relative to the wall body surface layer is smooth or not is judged. The pointer 5 judges the bulge or the recess of the shear wall surface layer according to the height change, is convenient to use, effectively detects the flatness of the wall surface, and provides a favorable reference for construction of constructors.

With reference to fig. 1-4, the utility model discloses detection ruler body 1 is the box body structure, and its front side board is opened system observation window 2, offers spout 7 on upper plate, the lower side plate central line, and evenly distributed aperture is greater than the locating hole 8 of spout on spout 7.

Install the survey needle 4 in the spout 7, the part that the survey needle 4 is in between cope match-plate pattern, the lower side plate is equipped with pointer 5, establishes spring 6 between pointer 5 and the cope match-plate pattern, establishes spring 6 between pointer 5 and the lower side plate, the utility model discloses a survey needle 4 is the calabash type with the part that measures 1 intersection of chi body, the thin waist 42 size and the spout 7 adaptation of this calabash type, the size and the locating hole 8 adaptations of the last big tripe 41 of this calabash type, big tripe 43 down, pointer 5 is fixed in on the thin waist 42 of calabash type part.

The main components of the utility model include a detection ruler body 1, a measuring needle 4 and a vertical rod 3. The upright stanchion 3 provides height support for the detection ruler body 1, the measuring pin 4 moves along the detection ruler body 1, the flatness of the shear wall surface layer is detected at the bottom of the measuring pin 4, and if the shear wall surface layer has bulge, the bulge is transmitted to constructors through the change of the height of the pointer 5.

Detecting the ruler body:

the utility model discloses a detection chi body 1 is the box body structure, and its preceding curb plate is opened system observation window 2, and spout 7 is established to epipleural, lower curb plate, and this spout 7 is used for installing survey pin 4 and allows the survey pin translation.

A plurality of locating holes 8 may be provided along the chute 7, the diameter of the locating holes 8 being of course greater than that of the chute 7 to define a fixed point for the stylus 4. The larger the number of the positioning holes 8, the more dense detection points are correspondingly detected on the shear wall plane.

And a pointer 5 displacement scale is correspondingly arranged below each positioning hole 8 of the detection ruler body 1, and the pointer 5 displacement scale is arranged on the rear side plate of the detection ruler. When the height of the pointer 5 changes, the relative positions of the pointer 5 and the displacement scale of the pointer 5 are directly observed through observation. The scale in the structure is designed on the inner surface of the rear side plate. The scale can more clearly represent the change of the pointer 5 and indicate the amount of the change. The utility model discloses a survey needle does not have under the condition of bulging in the bottom, and pointer 5 keeps at a height, and bottom upwards promotes when detecting the bulging, and pointer 5 then upwards removes. The displacement scale of the pointer 5 positions the position of the measuring needle 4 at 0 degree under the condition of no stress, and the upper and lower parts of the pointer are respectively extended by 5-10 scales based on 0 degree. The displacement scale of the pointer 5 can also be arranged on other structures as long as the displacement scale is matched with the pointer 5 to facilitate observation. Furthermore, the displacement scale of the pointer 5 is arranged on a glass plate, and the glass plate is fixedly connected on the front side plate observation window 2. The scale design of the scheme is forward, and the reading is clearer.

As shown in fig. 4, the detection ruler body is a structural deformation of the detection ruler body, the detection ruler body is formed by combining a left ruler rod and a right ruler rod, the left ruler rod extends into the right ruler rod, and a telescopic salient point is arranged inside the left ruler rod. The telescopic structure makes the utility model discloses the structure is more nimble, and the suitability is stronger, and the bump structure makes two chi rod structures more firm.

Column:

the stand is a long body of rod, the utility model provides a simple stand and the mounting structure who detects the chi body: upright rod through holes are arranged at the left end and the right end of the upper side plate and the lower side plate of the detection ruler body 1, the upright rods 3 are arranged in the upright rod through holes, and positioning knobs are arranged on the end surfaces of the two ends of the detection ruler. The positioning knob is used for fixing the height of the detection ruler 1 on the upright post 3. The vertical rod 3 is marked with scales and used as a reference for detecting the heights of the two ends of the ruler body, so that the level of the ruler body is guaranteed.

The shear wall is placed on the die table for detection, the magnetic base is arranged at the bottom of the upright rod, and the magnetic base and the die table are attracted. The stability of measuring tape in the use is guaranteed promptly to the suction of magnetism base, does not hinder this detection instrument's removal again. Therefore, the magnetism can be provided by permanent magnets with proper attraction force or electromagnets.

Measuring a needle:

the measuring needle is shown in fig. 2, 4 and 5, the intersection part of the measuring needle 4 and the measuring ruler body 1 is in a gourd shape, the size of a thin waist part 42 of the gourd shape is matched with the sliding groove 7, the size of an upper big belly 41 and the size of a lower big belly 43 of the gourd shape are matched with the positioning hole 8, and the pointer 5 is fixed on the thin waist part 42 of the gourd shape.

A thin needle body is arranged below the 4 gourd-shaped parts of the measuring needle, the whole length of the large belly part from the pointer 5 to the lower part is smaller than or equal to the distance between the upper side plate and the lower side plate, the lower large belly 43 and the upper large belly 41 in one lifting stroke of the measuring needle are guaranteed to simultaneously exit from the positioning hole 8, and the thin waist part 42 moves along the sliding groove 7.

In order to conveniently move the measuring probe, a lifting handle is arranged at the top of the measuring probe.

When the detection point of the wall surface layer protrudes, the contact pin can naturally move upwards; when the finish is recessed, the stylus needs to be depressed so that its end is in contact with the lowermost part of the recess. This allows the flatness deviation values to be read by a scale pointer attached to the stylus.

This detection ruler use:

firstly, selecting a part of a prefabricated part to be detected, and placing an assembled detection ruler on a manufacturing table board across two sides of the prefabricated part;

secondly, moving the magnetic attraction position of the vertical rod base to enable the whole detection ruler to move longitudinally, and moving the ruler measuring needle to a transverse line where the detection point is located;

thirdly, adjusting the upper and lower positions of the detection ruler body by contrasting the scales of the upright rods at the two sides, and ensuring that the detection ruler body is parallel to the manufacturing table top 14;

fourthly, when the measuring pin is adjusted, the lifting handle at the top end of the ruler rod is held, the big-belly part on the measuring pin is lifted out of the positioning hole, the thin-waist part moves along the sliding groove and transversely translates to a position to be measured, if the tip end of the measuring pin is in contact with a point to be measured and the pointer moves upwards, the point is a convex part, and the convex part is read according to the indication of the pointer; if the tip of the measuring probe is suspended right above the point to be measured, the point is a concave part, and the measuring probe is pressed down to read the concave amount of the point; if the tip of the measuring needle is just in contact with the measuring point and the pointer does not move, the measuring point is a flat part, and the reading value is zero.

Reading specification:

(1) and (3) finely adjusting the height of the detection needle, enabling the tip of the detection needle to be in contact with the point to be detected, and if the point is a convex part of the wall surface layer, moving the pointer 5 upwards to obtain a positive reading.

(2) If the measuring point is a smooth part of the surface layer of the wall body, the tip of the measuring needle is just in contact with the measuring point, the top pressure measuring needle does not sink, and the pointer 5 is not moved and is in a reading number of 0.

(3) If the measuring point is a sunken part of the surface layer of the wall body, the tip of the measuring needle is positioned right above the measuring point and is in a hovering state, pressure is applied to the top to enable the measuring needle to sink, and the pointer 5 is read in a negative value.

The utility model provides a detection ruler and measuring method effectively detect the roughness of wall body surface course, and the height through its pointer changes the bulging or sunken of judging shear force wall surface course, and the shift of measuring pin in the detection ruler body, location convenient operation, and fixed stable in the locating hole, the evidence-only measuring result is accurate, provides favourable reference for the constructor construction.

Claims

1. The utility model provides a prefabricated wall surface course roughness detects instrument, is including detecting the chi body, detects chi body both ends and connects the stand respectively, and both sides stand surface is equipped with and detects chi body level reference scale, characterized by: the detection ruler body is of a box body structure, an observation window is formed in the front side plate of the detection ruler body, sliding grooves are formed in the center lines of the upper side plate and the lower side plate, and positioning holes with the aperture larger than that of each sliding groove are uniformly distributed in each sliding groove; a pointer is arranged in the sliding groove, a part of the pointer between the upper side plate and the lower side plate is provided with a pointer, and the same spring is arranged between the pointer and the upper side plate and between the pointer and the lower side plate; the intersection part of the measuring needle and the measuring ruler body is in a gourd shape, the size of the thin waist part of the gourd shape is matched with the sliding groove, the size of the large-belly part of the gourd shape is matched with the positioning hole, and the pointer is fixed in the middle of the thin waist part of the gourd shape.

2. The tool for detecting the flatness of the surface layer of the prefabricated wall body as claimed in claim 1, wherein: the needle body is thinner below the gourd-shaped part of the measuring needle, and the whole length from the pointer to the gourd-shaped lower large-belly part is smaller than or equal to the distance between the upper side plate and the lower side plate.