Concrete plane flatness detection device

Abstract

The utility model discloses a concrete plane flatness detection device, which relates to the field of concrete plane flatness detection devices and comprises a base, sliding grooves are arranged at four corners of the bottom of the base, a fixing block is fixed on one side of each sliding groove, a screw is in threaded connection with the inside of each fixing block, and a screw rod is arranged in each sliding groove. A second rotating plate is arranged on the outer side of the screw rod, a first rotating plate is rotatably connected to the bottom of the interior of the fixing block, a sliding block is slidably connected to the interior of the sliding groove, the head end of the second rotating plate is rotatably connected with the head end of the first rotating plate, and the interior of the sliding block is in threaded connection with the tail end of the outer side of the screw rod; by folding the head end of the second rotating plate and the head end of the first rotating plate, the contact positions of the head end of the second rotating plate and the head end of the first rotating plate and the ground are adjusted, and the device can be conveniently installed at the uneven position of the ground.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete plane flatness detection device field, concretely is a kind of concrete plane flatness detection device. BACKGROUND

[0002] The main role of concrete plane flatness detection device is to accurately measure the flatness of concrete surface, to ensure construction quality, through laser displacement sensor and other technologies, the detection device can accurately obtain the flatness data of concrete member, to ensure the control of construction quality.

[0003] The existing patent CN 218443819 U discloses a kind of concrete pouring thickness and flatness detection device, by laser level is arranged on the plane parallel to concrete pouring surface, laser level can emit the horizontal light line projected on the first scale, if the projection of this horizontal light line on the first scale coincides with the corresponding scale of the first scale, i.e. the included angle of the projection of this horizontal light line on the first scale and the corresponding scale of the first scale is 0, then the concrete pouring surface is horizontal plane, surface flatness is good;If the included angle of the projection of this horizontal light line on the first scale and the corresponding scale of the first scale is not 0, then the levelness of concrete pouring surface is poor, and the greater the included angle, the worse the surface flatness of concrete pouring surface is.In addition, the reading of second scale is the height of target position of detection assembly from concrete pouring surface, the target position is determined according to the base height of second scale, when the horizontal light line emitted by laser level is projected to the target position of detection assembly, the reading scale of second scale is the height of horizontal light line projected to detection assembly from concrete pouring surface, according to the height of horizontal light line emitting position of laser level and the distance between the plane where the bottom of laser level is located and the plane before concrete pouring, the thickness of concrete poured at this place can be obtained, by the horizontal light line emitted by laser level projected on the first scale, only the included angle of the projection of horizontal light line on the first scale and the corresponding scale needs to be judged to judge the levelness of concrete pouring surface, to complete the detection of the levelness of concrete pouring surface, only the scale number of second scale needs to be read, according to the height of horizontal light line emitting position of laser level and the distance between the plane where the bottom of laser level is located and the plane before concrete pouring, the thickness of concrete poured at this place can be obtained, to complete the detection of concrete thickness, without multiple hanging lines, and not affected by the error of concrete floor top surface elevation, improve the accuracy of concrete pouring thickness and flatness detection at this place.

[0004] The above device is used, the ground is uneven, and the ground is soft when it rains, the detection device is easy to loosen, and the detection device cannot be fixed well. UTILITY MODEL CONTENTS

[0005] The purpose of this utility model is to provide a concrete flatness testing device to solve the problems that the testing device is easily loosened and cannot be properly fixed when the construction site ground is uneven and the ground is soft when it rains.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a concrete plane flatness testing device, comprising a base, with sliding grooves provided at the four corners of the bottom of the base, a fixing block fixed to one side of the sliding groove, a screw threadedly connected to the inside of the fixing block, and a second rotating plate provided on the outside of the screw. Rotating the screw drives the slider to slide, and when the slider slides to one side, it presses the end of the second rotating plate to move to one side. A first rotating plate is rotatably connected to the bottom inside the fixing block, and the first end of the second rotating plate is folded to the first end of the first rotating plate. The slider is slidably connected inside the sliding groove.

[0007] As a further improvement of this invention: the first end of the second rotating plate is rotatably connected to the first end of the first rotating plate, adjusting the position of the first ends of the second rotating plate and the first rotating plate in contact with the ground to facilitate its installation on uneven ground. The inside of the slider is threadedly connected to the end of the screw on the outside.

[0008] As a further embodiment of this utility model: a fixing sleeve is fixed to the top of the base, a measuring ruler is slidably connected to the inner wall of the fixing sleeve, and a scraper is provided between the top of the fixing sleeve and the measuring ruler for cleaning the surface of the measuring ruler.

[0009] As a further improvement of this utility model: a sliding sleeve is provided on the outer side of the measuring ruler, a mounting bracket is fixed at one end of the sliding sleeve, and measuring scales are provided on both sides of the mounting bracket.

[0010] As a further improvement of this utility model: a circular positioning and measuring scale is provided in the middle of the mounting bracket, and a fixing bolt is connected to the internal thread of the sliding sleeve.

[0011] As a further improvement of this utility model: a handle is slidably connected to the top of the measuring ruler, and a fixing post is fixed to the bottom of the handle. The handle pushes the bottom of the fixing post into the ground, so that the fixing post can better stabilize the base, the first rotating plate, and the second rotating plate. A laser level is provided at one end of the outer side of the fixing sleeve.

[0012] As a further improvement of this utility model: the bottom of the fixing column extends through the middle of the base, and when the handle is pulled, the fixing column will scrape off the soil adhering to the surface of the fixing column through contact with the base.

[0013] Compared with the prior art, the utility model has the beneficial effects that

[0014] 1、 Through setting up the screw drive sliding block to slide, the sliding block extrudes the end of the second rotating plate to move to one side when sliding to one side, make the first end of the second rotating plate and the first end of the first rotating plate position fold, through the first end of the second rotating plate and the first end of the first rotating plate position fold, adjust the first end of the second rotating plate and the first end of the first rotating plate position and the position of ground contact, it is convenient to make it install in the position of uneven ground.

[0015] 2、 Through setting down the handle, make the handle push the bottom of the fixed column and insert into the ground, make the fixed column better stabilize the base, the first rotating plate, the second rotating plate, prevent the wind from blowing or the periphery influence the position of the base, the first rotating plate, the second rotating plate installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the whole utility model;

[0017] Figure 2 It is the structure schematic diagram of the whole back of the utility model;

[0018] Figure 3 It is the structure schematic diagram of the whole section of the utility model;

[0019] Figure 4 It is the structure schematic diagram of the bottom of the utility model bottom.

[0020] In the drawing: 1, laser level; 2, base; 201, sliding groove; 202, sliding block; 203, fixed block; 204, screw; 205, first rotating plate; 206, second rotating plate; 3, fixed sleeve; 301, measuring scale; 302, handle; 303, fixed column; 4, mounting bracket; 401, measuring scale; 402, circular positioning measuring scale; 403, sliding sleeve; 404, fixed bolt. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figure 1 、 4The utility model discloses an embodiment of a kind of concrete plane flatness detection device, including base 2, the four corners of the bottom of base 2 are provided with sliding slot 201, one side of sliding slot 201 is fixed with fixed block 203, the inside screw of fixed block 203 is connected with screw rod 204, the outside of screw rod 204 is provided with No. 2 rotating plate 206, rotating screw rod 204 drives sliding block 202 to slide, when sliding block 202 slides to one side, the end of No. 2 rotating plate 206 is moved to one side by extrusion, the bottom inside fixed block 203 is rotatably connected with No. 1 rotating plate 205, the first end of No. 2 rotating plate 206 is folded with the first end position of No. 1 rotating plate 205, by the first end of No. 2 rotating plate 206 being folded with the first end position of No. 1 rotating plate 205, sliding block 202 is slidably connected in the inside of sliding slot 201, the first end of No. 2 rotating plate 206 is rotatably connected with the first end of No. 1 rotating plate 205 to adjust the position of the first end of No. 2 rotating plate 206 with the first end of No. 1 rotating plate 205 with ground contact, facilitate its installation in the position of uneven ground. The end of the inside of sliding block 202 and the outside of screw rod 204 is screw-connected.

[0023] In the embodiment: rotating screw rod 204 drives sliding block 202 to slide, when sliding block 202 slides to one side, the end of No. 2 rotating plate 206 is moved to one side by extrusion, the first end of No. 2 rotating plate 206 is folded with the first end position of No. 1 rotating plate 205, by the first end of No. 2 rotating plate 206 being folded with the first end position of No. 1 rotating plate 205, adjust the position of the first end of No. 2 rotating plate 206 with the first end of No. 1 rotating plate 205 with ground contact, facilitate its installation in the position of uneven ground.

[0024] Please refer to Figure 1 、 2 、3, the top of base 2 is fixed with fixed sleeve 3, the inner wall of fixed sleeve 3 is slidably connected with measuring scale 301, and the top of fixed sleeve 3 is provided with a scraper between measuring scale 301, for cleaning the surface of measuring scale 301, the outside of measuring scale 301 is provided with sliding sleeve 403, one end of sliding sleeve 403 is fixed with mounting bracket 4, both sides of mounting bracket 4 are provided with measuring scale 401, and the middle of mounting bracket 4 is provided with circular positioning measuring scale 402, the inside of sliding sleeve 403 is screw-connected with fixed bolt 404, the top end in the inside of measuring scale 301 is slidably connected with handle 302, the bottom of handle 302 is fixed with fixed column 303, handle 302 is pushed to the bottom of fixed column 303 and is inserted into ground, so that fixed column 303 better stabilizes base 2, No. 1 rotating plate 205, No. 2 rotating plate 206, one end of the outside of fixed sleeve 3 is provided with laser level 1, the bottom of fixed column 303 penetrates the middle of base 2, and when pulling handle 302, fixed column 303 will scrape the soil adhered to the surface of fixed column 303 by the contact with base 2.

[0025] In the embodiment, the handle 302 pushes the bottom of the fixed column 303 to insert into the ground, so that the fixed column 303 can better stabilize the base 2, the first rotating plate 205 and the second rotating plate 206, and prevent the base 2, the first rotating plate 205 and the second rotating plate 206 from being blown by the wind or from being affected by the surrounding environment.

[0026] Working principle: the sliding block 202 slides by rotating the screw rod 204, and when the sliding block 202 slides to one side, the end of the second rotating plate 206 is pressed to move to one side, so that the first end of the second rotating plate 206 is folded with the first end of the first rotating plate 205, and the position of the first end of the second rotating plate 206 and the first end of the first rotating plate 205 is adjusted to contact the ground, so that the first end of the second rotating plate 206 and the first end of the first rotating plate 205 can be installed on the uneven ground.

[0027] The handle 302 is pushed to move downward, so that the handle 302 pushes the bottom of the fixed column 303 to insert into the ground, so that the fixed column 303 can better stabilize the base 2, the first rotating plate 205 and the second rotating plate 206, and prevent the base 2, the first rotating plate 205 and the second rotating plate 206 from being blown by the wind or from being affected by the surrounding environment.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for detecting the flatness of a concrete surface, comprising a base (2), characterised in that, The four corners of the bottom of the base (2) are provided with sliding grooves (201), one side of the sliding groove (201) is fixedly provided with a fixed block (203), the inside of the fixed block (203) is threadedly connected with a screw rod (204), the outer side of the screw rod (204) is provided with a No. 2 rotating plate (206), the inside of the fixed block (203) is rotatably connected with a No. 1 rotating plate (205), and the inside of the sliding groove (201) is slidably connected with a sliding block (202).

2. The concrete flatness detection device according to claim 1, wherein The first end of the No. 2 rotating plate (206) is rotatably connected with the first end of the No. 1 rotating plate (205), and the inside of the sliding block (202) is threadedly connected with the terminal end of the outer side of the screw rod (204).

3. The concrete flatness detection device of claim 1, wherein, The top of the base (2) is fixedly provided with a fixed sleeve (3), the inner wall of the fixed sleeve (3) is slidably connected with a measuring scale (301), and a scraper is arranged between the top of the fixed sleeve (3) and the measuring scale (301) to clean the surface of the measuring scale (301).

4. The apparatus for detecting the flatness of concrete surface according to claim 3, wherein, The top end of the inside of the measuring scale (301) is slidably connected with a handle (302), the bottom of the handle (302) is fixedly provided with a fixed column (303), and one end of the outer side of the fixed sleeve (3) is provided with a laser level (1).

5. The apparatus for detecting the flatness of a concrete surface according to claim 4, wherein The bottom of the fixed column (303) penetrates the middle part of the base (2), and when the handle (302) is pulled, the fixed column (303) can scrape off the soil adhered to the surface of the fixed column (303) through the contact with the base (2).

6. The apparatus for detecting the flatness of concrete surface according to claim 3, wherein, The outer side of the measuring scale (301) is provided with a sliding sleeve (403), one end of the sliding sleeve (403) is fixedly provided with a mounting bracket (4), and the two sides of the mounting bracket (4) are provided with measuring scales (401).

7. The apparatus for detecting the flatness of a concrete surface according to claim 6, wherein The middle part of the mounting bracket (4) is provided with a circular positioning measuring scale (402), and the inside of the sliding sleeve (403) is threadedly connected with a fixed bolt (404).

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