CN210665745U

CN210665745U - Concrete shrinkage testing mechanism

Info

Publication number: CN210665745U
Application number: CN201921059411.2U
Authority: CN
Inventors: 陈炜强
Original assignee: Fujian Quanzhou Baozhi Concrete Co Ltd
Current assignee: Fujian Quanzhou Baozhi Concrete Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-02
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a concrete shrinkage test mechanism, including box, water storage cavity, test cavity and fixture, the bottom of box is equipped with the water storage cavity, and inlays on the box outer wall of water storage cavity front side and have control panel, the bottom of water storage cavity is fixed with the immersible pump, and the input of immersible pump installs the drinking-water pipe, the inside test cavity that is equipped with of box of water storage cavity top, and all equidistant being fixed with the layer board on two inside walls of test cavity, the top of layer board all is equipped with puts the thing groove, and all installs fixture on putting two inside walls around the thing groove, the both sides at test cavity top all are fixed with the air-blower, install sealing door on the box outer wall of test cavity front side. This concrete shrinkage accredited testing organization has not only enlarged shrinkage accredited testing organization's detection scope, has improved shrinkage accredited testing organization's detection precision, has improved shrinkage accredited testing organization's operating efficiency moreover.

Description

Concrete shrinkage testing mechanism

Technical Field

The utility model relates to a concrete test technical field specifically is a concrete shrinkage test mechanism.

Background

Concrete is reduced in volume under dry conditions and expanded in volume under wet conditions (or in water), which is the shrinkage effect of concrete, and concrete shrinkage modes can be classified into plastic shrinkage, chemical shrinkage, dry shrinkage and carbonization shrinkage according to different influence factors, so that after concrete construction, the concrete is generally required to be subjected to shrinkage test to ensure quality.

However, the existing concrete shrinkage testing mechanism still has certain problems, and the concrete problems are as follows:

1. common shrinkage testing mechanisms comprise a concrete humidity detector, a concrete carbonization depth detector and the like, but the detection range of the devices is single, and various detections on concrete are difficult to realize simultaneously;

2. the internal tightness of a general shrinkage testing mechanism is poor, and various external environments are difficult to simulate according to actual needs, so that the detection precision is often low;

3. the existing shrinkage testing mechanism is lack of automatic positioning and clamping functions, so that the concrete sample is inconvenient to take and place, and the shrinkage testing mechanism can shift or fall off in the detection process, and the operation efficiency of the shrinkage testing mechanism is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete shrinkage accredited testing organization to solve the detection scope of the device proposed in the above-mentioned background art comparatively single, detect the lower and lower problem of operating efficiency of precision.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concrete shrinkage test mechanism, includes box, water storage cavity, test cavity and fixture, the bottom of box is equipped with the water storage cavity, and inlays on the box outer wall of water storage cavity front side and have control panel, the bottom of water storage cavity is fixed with the immersible pump, and the input of immersible pump installs the drinking-water pipe, the inside test cavity that is equipped with of box of water storage cavity top, and all equidistant being fixed with the layer board on two inside walls of test cavity, the top of layer board all is equipped with puts the thing groove, and all installs fixture on putting two inside walls around the thing groove, the both sides at test cavity top all are fixed with the air-blower, install sealing door on the box outer wall of test cavity front side.

Preferably, both sides of layer board top all are equipped with scanner and probe respectively, and one side of scanner all with test chamber's inside wall fixed connection.

Preferably, the bottom ends of the supporting plates are embedded with thermoelectric refrigerating sheets at equal intervals.

Preferably, the inside central point department of putting of test chamber is fixed with the mounting bracket, and the inside of mounting bracket is equipped with moisture detector, temperature detector and carbonization degree of depth detector in proper order to moisture detector, temperature detector and carbonization degree of depth detector's input all is connected through the one end electricity of wire with the probe.

Preferably, the output end of the submersible pump is provided with a water conveying pipe, and the top end of the water conveying pipe extends to the bottom of the testing chamber and is provided with an atomizing nozzle.

Preferably, fixture from the bottom up is equipped with splint, spacing spring and fixing base in proper order, and the rear side of splint is equidistant to be fixed with spacing spring, and the rear end of spacing spring all is through fixing base and the inside wall fixed connection who puts the thing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the concrete shrinkage testing mechanism not only enlarges the detection range of the shrinkage testing mechanism, improves the detection precision of the shrinkage testing mechanism, but also improves the operation efficiency of the shrinkage testing mechanism;

1. the scanner and the probe are arranged above the supporting plate, the mounting frame is fixed in the testing chamber, and the humidity detector, the temperature detector and the carbonization depth detector are arranged in the mounting frame, so that various detection functions in the shrinkage testing mechanism are realized, and the detection range of the shrinkage testing mechanism is expanded;

2. the simulation function of various environments in the contraction testing mechanism is realized by fixing the submersible pump at the bottom of the water storage chamber, installing the water pumping pipe at the input end of the submersible pump, installing the water delivery pipe at the output end of the submersible pump, installing the atomizing spray head at the top end of the water delivery pipe, arranging the supporting plate and the air blower in the testing chamber, embedding the thermoelectric refrigerating sheet at the bottom end of the supporting plate and installing the sealing door on the outer wall of the box body, so that the detection precision of the contraction testing mechanism is improved;

3. through setting up the thing groove at the top of layer board to through two inboard side wall mounting fixture in the front and back of putting the thing groove, splint, spacing spring and fixing base are established to fixture's inside, have realized the function that the concrete sample was convenient for get and put, thereby have improved shrink accredited testing organization's operating efficiency.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic top view of the pallet of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is a schematic view of the system flow of the present invention.

In the figure: 1. a box body; 2. a water storage chamber; 3. a scanner; 4. a support plate; 5. a storage groove; 6. a thermoelectric refrigeration chip; 7. a blower; 8. a test chamber; 9. a probe; 10. an atomizing spray head; 11. a water delivery pipe; 12. a submersible pump; 13. a water pumping pipe; 14. a sealing door; 15. a control panel; 16. a clamping mechanism; 1601. a fixed seat; 1602. a limiting spring; 1603. a splint; 17. a mounting frame; 18. a humidity detector; 19. a temperature detector; 20. carbonization degree of depth detector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a concrete shrinkage testing mechanism comprises a box body 1, a water storage cavity 2, a testing cavity 8 and a clamping mechanism 16, wherein the bottom of the box body 1 is provided with the water storage cavity 2, a control panel 15 is embedded on the outer wall of the box body 1 at the front side of the water storage cavity 2, the model of the control panel 15 can be TC45, the bottom of the water storage cavity 2 is fixedly provided with a submersible pump 12, the model of the submersible pump 12 can be GPD32-5S, the input end of the submersible pump 12 is electrically connected with the output end of a PLC (programmable logic controller) in the control panel 15, the input end of the submersible pump 12 is provided with a water pumping pipe 13, the testing cavity 8 is arranged in the box body 1 above the water storage cavity 2, two inner side walls of the testing cavity 8 are all fixed with supporting plates 4 at equal intervals, the top of each supporting plate 4 is provided with a storage groove 5, the clamping mechanism 16 is arranged on the front inner side wall and the rear side wall of each storage, the model of this air-blower 7 can be ZK20, and the input of air-blower 7 and the inside PLC controller's of control panel 15 output electric connection, installs sealing door 14 on the box 1 outer wall of test chamber 8 front side.

As shown in fig. 1, the scanner 3 and the probe 9 are respectively disposed on two sides above the supporting plate 4, and one side of the scanner 3 is fixedly connected to the inner sidewall of the testing chamber 8, the model of the scanner 3 can be SR-2000, and the output end of the scanner 3 is electrically connected to the input end of the PLC controller inside the control panel 15, the former is used for monitoring the volume change of the concrete sample, and the latter is used for conducting the detection signal.

As shown in fig. 3, thermoelectric cooling fins 6 are embedded at equal intervals at the bottom ends of the supporting plates 4, the type of the thermoelectric cooling fins 6 may be SK-3201.300, and the input ends of the thermoelectric cooling fins 6 are electrically connected to the output end of the PLC controller inside the control panel 15, so as to simulate the influence of temperature difference on the contractibility of the concrete sample.

As shown in fig. 4, a mounting bracket 17 is fixed at a central position inside the test chamber 8, a humidity detector 18, a temperature detector 19 and a carbonization depth detector 20 are sequentially arranged inside the mounting bracket 17, and input ends of the humidity detector 18, the temperature detector 19 and the carbonization depth detector 20 are all electrically connected with one end of the probe 9 through wires, the humidity detector 18 may be of a ZH11375 type, the temperature detector 19 may be of an SGMC-10-0-1-7 type, the carbonization depth detector 20 may be of an HC-TH01 type, and output ends of the humidity detector 18, the temperature detector 19 and the carbonization depth detector 20 are all electrically connected with an input end of a PLC controller inside the control panel 15, and are respectively used for detecting changes of humidity, temperature and carbonization depth inside the concrete sample.

As shown in fig. 1, the output end of the submersible pump 12 is installed with a water pipe 11, and the top end of the water pipe 11 extends to the bottom of the testing chamber 8 and is installed with an atomizer 10 for adjusting the air humidity inside the testing chamber 8.

As shown in fig. 3, the clamping mechanism 16 is sequentially provided with a clamping plate 1603, a limiting spring 1602 and a fixing seat 1601 from bottom to top, the limiting spring 1602 is fixed on the rear side of the clamping plate 1603 at equal intervals, and the rear end of the limiting spring 1602 is fixedly connected with the inner side wall of the article holding slot 5 through the fixing seat 1601;

during the use, put into concrete sample and put the inside of thing groove 5, then splint 1603 and concrete sample's front and back both sides contact each other to press from both sides tightly concrete sample through the elasticity of spacing spring 1602, avoid concrete sample to take place the displacement or drop in the monitoring process.

The working principle is as follows: when the device is used, firstly, a plurality of concrete samples are taken and placed into different storage slots 5, the clamping plates 1603 are all contacted with the front side and the rear side of the concrete samples, the concrete samples are clamped through the elastic force of the limiting springs 1602, then the sealing doors 14 are closed, the air inside the testing chamber 8 is kept isolated, so that a relatively sealed environment is simulated, then, the thermoelectric refrigerating sheets 6, the air blowers 7 and the submersible pumps 12 are enabled to work in sequence by operating the control panel 15, wherein the thermoelectric refrigerating sheets 6 refrigerate or heat through adjusting the internal polarity change, so that the concrete samples are in a low-temperature (below 0 ℃) or high-temperature state, the air blowers 7 simulate different wind speeds by adjusting the output power, and the submersible pumps 12 spray clean water inside the water storage chamber 2 into the testing chamber 8 through the water pumping pipes 13, the water conveying pipes 11 and the atomizing nozzles 10, therefore, different humidity environments are simulated, in the process, the humidity detector 18, the temperature detector 19 and the carbonization depth detector 20 in the mounting frame 17 respectively monitor the change of the internal humidity, the temperature and the carbonization depth of the concrete sample through the probes 9, the scanner 3 regularly scans the volume change of the concrete sample, and finally the contraction result of each concrete sample is calculated by the PLC in the control panel 15, so that all work of the concrete contraction testing mechanism is finally completed.

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.

Claims

1. The utility model provides a concrete shrinkage test mechanism, includes box (1), water storage chamber (2), test chamber (8) and fixture (16), its characterized in that: the bottom of box (1) is equipped with water storage cavity (2), and inlays on box (1) outer wall of water storage cavity (2) front side and have control panel (15), the bottom of water storage cavity (2) is fixed with immersible pump (12), and the input of immersible pump (12) installs drinking-water pipe (13), box (1) inside of water storage cavity (2) top is equipped with test cavity (8), and all equidistant being fixed with layer board (4) on two inside walls of test cavity (8), the top of layer board (4) all is equipped with puts thing groove (5), and all installs fixture (16) on two inside walls around putting thing groove (5), the both sides at test cavity (8) top all are fixed with air-blower (7), install sealing door (14) on box (1) outer wall of test cavity (8) front side.

2. The concrete shrinkage testing mechanism of claim 1, wherein: both sides of layer board (4) top all are equipped with scanner (3) and probe (9) respectively, and one side of scanner (3) all with the inside wall fixed connection of test chamber (8).

3. The concrete shrinkage testing mechanism of claim 1, wherein: thermoelectric refrigerating sheets (6) are embedded at the bottom ends of the supporting plates (4) at equal intervals.

4. A concrete shrinkage testing mechanism according to claim 2, wherein: the central point department of putting of test chamber (8) inside is fixed with mounting bracket (17), and the inside of mounting bracket (17) is equipped with moisture detector (18), temperature detector (19) and carbonization degree of depth detector (20) in proper order to the input of moisture detector (18), temperature detector (19) and carbonization degree of depth detector (20) all is connected with the one end electricity of probe (9) through the wire.

5. The concrete shrinkage testing mechanism of claim 1, wherein: the output end of the submersible pump (12) is provided with a water conveying pipe (11), and the top end of the water conveying pipe (11) extends to the bottom of the testing chamber (8) and is provided with an atomizing nozzle (10).

6. The concrete shrinkage testing mechanism of claim 1, wherein: fixture (16) from the bottom up is equipped with splint (1603), spacing spring (1602) and fixing base (1601) in proper order, and the rear side of splint (1603) is equidistant to be fixed with spacing spring (1602), and the rear end of spacing spring (1602) all is through fixing base (1601) and the inside wall fixed connection who puts thing groove (5).