CN211426499U

CN211426499U - Concrete shrinkage and expansion detection device

Info

Publication number: CN211426499U
Application number: CN201922186420.4U
Authority: CN
Inventors: 陈延锶; 云春燕; 陈宗珍
Original assignee: Fujian Shangruo Engineering Technology Co ltd
Current assignee: Fujian Shangruo Engineering Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-04
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a concrete shrinkage and inflation detection device in adjustable sample accommodation space. Concrete shrinkage and inflation detection device includes bottom plate, roof, a plurality of flexible regulation stand and a plurality of infrared range finder, the roof with the equal level of bottom plate sets up, the vertical setting of flexible regulation stand, flexible regulation stand lower extreme connection bottom plate, flexible regulation stand upper end is connected an opening has been seted up at roof, roof middle part, and infrared range finder sets up with rectilinear movement on the roof, an infrared range finder's test probe is located opening top and vertical setting down, an infrared range finder is located inside concrete shrinkage and inflation detection device one side and the directional concrete shrinkage of its test probe and inflation detection device. Because the setting of flexible regulation stand for concrete shrinkage and inflation detection device's height can be adjusted according to actual need, with the detection of adaptation different sample sizes, convenient and practical.

Description

Concrete shrinkage and expansion detection device

Technical Field

The utility model relates to a building engineering equipment technical field, in particular to concrete shrinkage and inflation detection device.

Background

The existing concrete shrinkage and expansion detection device is used for measuring the shrinkage and expansion deformation of concrete so as to obtain the corresponding shrinkage rate or expansion rate.

However, in the prior art, because the concrete sample has a big or small size, and the concrete shrinkage and expansion detection device has a fixed size, the size of the sample accommodating space can not be flexibly adjusted, so that some big samples can not be tested, and the test is inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a concrete shrinkage and inflation detection device of adjustable sample accommodation space, convenient to use, the suitability is strong.

In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a concrete shrinkage and inflation detection device, includes bottom plate, roof, a plurality of flexible regulation stand and a plurality of infrared distance meter, the roof with the equal level of bottom plate sets up, the vertical setting of flexible regulation stand, flexible regulation stand lower extreme is connected the bottom plate, flexible regulation stand upper end is connected the roof, an opening has been seted up at the roof middle part, infrared distance meter linearly movable ground sets up on the roof, one infrared distance meter's test probe is located opening top and vertical setting down, one infrared distance meter is located inside concrete shrinkage and inflation detection device one side and the directional concrete shrinkage of its test probe and inflation detection device.

Adopt above-mentioned technical scheme, because the setting of flexible regulation stand for concrete shrinkage and inflation detection device's height can be adjusted according to actual need, with the detection of the sample size of adaptation difference, convenient and practical.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a schematic view of another angle of an embodiment of the present invention.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 2, in a first embodiment, a concrete shrinkage and expansion detection device is provided, which comprises a bottom plate 11, a top plate 12, a plurality of telescopic adjusting columns 13 and a plurality of infrared range finders 14, wherein the top plate 12 and the bottom plate 11 are horizontally arranged, the telescopic adjusting columns 13 are vertically arranged, the lower ends of the telescopic adjusting columns 13 are connected with the bottom plate 11, the upper ends of the telescopic adjusting columns 13 are connected with the top plate 12, an opening 121 is formed in the middle of the top plate 12, the infrared range finders 14 are linearly movably arranged on the top plate 12, a detection probe of the infrared range finder 14 is arranged above the opening 121 and vertically downwards, the infrared range finder 14 is arranged on one side of the concrete shrinkage and expansion detection device, and the detection probe of the infrared range finder points to the inside of the concrete shrinkage. Because the setting of flexible regulation stand 13 for concrete shrinkage and inflation detection device's height can be adjusted according to actual need, with the detection of adaptation different sample sizes, convenient and practical. However, the infrared distance meter 14 may be replaced by an ultrasonic distance meter, but is not limited thereto.

Referring to fig. 1 and 2, in the second embodiment, the infrared distance meter 14 is disposed at the right side, the front side, and the upper side of the concrete contraction and expansion detection device, and the detection probes thereof are all directed to the inside of the concrete contraction and expansion detection device. The setting enables the concrete shrinkage and expansion detection device to comprehensively detect the shrinkage or expansion of the sample in three directions so as to obtain a more accurate result.

Referring to fig. 1 and 2, in the third embodiment, a top plate 12 is provided with an electric slide rail 15, and an infrared distance meter 14 is fixed on a slide block on the electric slide rail 15. The automatic control of the movement of the infrared distance measuring instrument 14 is realized through the arrangement, the operation is simple and convenient, and certainly, in practical application, the motor and the lead screw can be matched to replace the electric slide rail 15, and the device is not limited to the technical scheme.

Referring to fig. 1 and 2, in the fourth embodiment, the device further includes a telescopic rod 16, a first end of the telescopic rod 16 is connected to the slider on the electric sliding rail 15, and a second end of the telescopic rod 16 is connected to the infrared range finder 14. But telescopic link 16 has realized infrared distance measuring instrument 14's rectilinear movement, can convenience of customers adjust infrared distance measuring instrument 14's position as required, and is simple and convenient, and of course, in practical application, but also can adopt guide rail and slider cooperation, gear and rack complex mode to realize infrared distance measuring instrument 14's rectilinear movement, and is not limited to this.

Referring to fig. 1 and 2, in the fifth embodiment, an electric slide rail 15 is disposed along the left-right direction and the sliding blocks thereon are respectively connected to the first ends of two telescopic rods 16, one telescopic rod 16 is disposed horizontally and the second end thereof faces backward, the other telescopic rod 16 is disposed vertically and the second end thereof faces downward, an electric slide rail 15 is disposed along the front-back direction and the sliding blocks thereon are connected to the first end of one telescopic rod 16, the telescopic rods 16 located on the right side of the concrete contraction and expansion detection device are disposed vertically and the second end thereof faces downward, and the three telescopic rods 16 are all perpendicular to the electric slide rail 15 corresponding thereto. The above arrangement can reduce the number of the electric slide rails 15 from three to two, thereby reducing the manufacturing cost of the device, and the moving direction of the three infrared distance measuring instruments 14 forms a three-dimensional rectangular coordinate system, thereby being capable of conveniently determining the detection position.

Referring to fig. 1 and 2, in the sixth embodiment, a first limiting protrusion 111 and a second limiting protrusion 112 are provided on the top surface of the bottom plate 11, the first limiting protrusion 111 and the second limiting protrusion 112 are perpendicular, the first limiting protrusion 111 is disposed near the right side of the concrete contraction and expansion detection device and in the front-rear direction, and the second limiting protrusion 112 is disposed near the front side of the concrete contraction and expansion detection device and in the left-right direction. The above arrangement can conveniently position the placing position of the sample, so as to ensure that each detection surface of the sample is respectively opposite to each infrared distance measuring instrument 14, and further improve the accuracy of measurement.

Referring to fig. 1 and 2, in the seventh embodiment, the top plate 12 is a square ring, the bottom plate 11 is a square ring, and the telescopic adjusting columns 13 are distributed at four corner positions of the top plate 12 opposite to the bottom plate 11. Above-mentioned setting can make concrete shrinkage and inflation detection device overall structure stable, the atress is even, can improve the skew problem carrying out the altitude mixture control in-process.

Referring to fig. 1 and 2, in the eighth embodiment, the base plate 11 is a carbon structural steel whose surface is polished. The polished carbon structural steel can ensure the flatness of the surface of the base plate 11 to improve the accuracy of detection.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A concrete shrinkage and expansion detection device which is characterized in that: comprises a bottom plate (11), a top plate (12), a plurality of telescopic adjusting upright posts (13) and a plurality of infrared range finders (14), the top plate (12) and the bottom plate (11) are both horizontally arranged, the telescopic adjusting upright post (13) is vertically arranged, the lower end of the telescopic adjusting upright post (13) is connected with the bottom plate (11), the upper end of the telescopic adjusting upright post (13) is connected with the top plate (12), an opening (121) has been seted up in roof (12) middle part, but infrared ray distancer (14) linear motion ground sets up on roof (12), one infrared ray distancer (14) the test probe is located opening (121) top and vertical setting down, one infrared ray distancer (14) are located concrete shrinkage and inflation detection device one side and inside its test probe directional concrete shrinkage and inflation detection device.

2. The concrete contraction and expansion detection device according to claim 1, wherein: the infrared distance measuring instrument (14) is arranged on the right side, the front side and the upper side of the concrete shrinkage and expansion detection device, and detection probes of the infrared distance measuring instrument all point to the interior of the concrete shrinkage and expansion detection device.

3. The concrete contraction and expansion detection device according to claim 2, wherein: an electric sliding rail (15) is arranged on the top plate (12), and the infrared distance measuring instrument (14) is fixedly arranged on a sliding block on the electric sliding rail (15).

4. The concrete contraction and expansion detection device according to claim 3, wherein: still include telescopic link (16), telescopic link (16) first end is connected slider on the electronic slide rail (15), telescopic link (16) second end is connected infrared range finder (14).

5. The concrete contraction and expansion detection device according to claim 4, wherein: one electric slide rail (15) set up and slider on it respectively with two along left right direction electric slide rail (16) first end is connected, one telescopic link (16) level sets up and its second end backward, another telescopic link (16) vertical setting and its second end down, one electric slide rail (15) set up and slider on it along the fore-and-aft direction and one telescopic link (16) first end is connected, is located concrete contraction and expansion detection device right side telescopic link (16) vertical setting and its second end down, three telescopic link (16) equal perpendicular to rather than corresponding electric slide rail (15).

6. The concrete contraction and expansion detection apparatus according to any one of claims 1 to 5, wherein: be provided with first spacing sand grip (111) and the spacing sand grip of second (112) on bottom plate (11) top surface, first spacing sand grip (111) with the spacing sand grip of second (112) is perpendicular, first spacing sand grip (111) are close to concrete contraction and expansion detection device right side and its along the fore-and-aft direction setting, the spacing sand grip of second (112) are close to concrete contraction and expansion detection device front side and its along the left right direction setting.

7. The concrete contraction and expansion detection apparatus according to any one of claims 1 to 5, wherein: the top plate (12) is a square ring, the bottom plate (11) is square, and the telescopic adjusting upright columns (13) are distributed at four opposite angular positions of the top plate (12) and the bottom plate (11).

8. The concrete contraction and expansion detection apparatus according to any one of claims 1 to 5, wherein: the bottom plate (11) is made of carbon structural steel with polished surface.