CN111721643A - Low-temperature flexible detector for waterproof coiled material - Google Patents
Low-temperature flexible detector for waterproof coiled material Download PDFInfo
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- CN111721643A CN111721643A CN202010630423.7A CN202010630423A CN111721643A CN 111721643 A CN111721643 A CN 111721643A CN 202010630423 A CN202010630423 A CN 202010630423A CN 111721643 A CN111721643 A CN 111721643A
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 119
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 238000004078 waterproofing Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 238000011896 sensitive detection Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000012360 testing method Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 13
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- 238000007789 sealing Methods 0.000 claims description 6
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- 238000010276 construction Methods 0.000 abstract description 3
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010019345 Heat stroke Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0228—Low temperature; Cooling means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0658—Indicating or recording means; Sensing means using acoustic or ultrasonic detectors
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A low temperature flexibility detector for waterproofing membrane, includes: the detection box body is provided with an installation cavity, a detection cavity and an electric control host, refrigerating fluid is filled in the detection cavity, and a thermometer is arranged in the detection cavity; a refrigeration compressor assembly disposed within the mounting chamber; the flexible bending assembly comprises a plurality of supporting roller shaft assemblies, a plurality of fixing roller shafts and a plurality of elastic clamping devices, wherein the supporting roller shaft assemblies are used for supporting the waterproof coiled material samples and are arranged in the detection chamber; the stirring assembly is positioned in the detection chamber; and the crack detection assembly is arranged in the detection chamber and at least comprises a light-sensitive detection device and an ultrasonic detection device. According to the invention, through the matching use of the movable roller shaft component and the fixed roller shaft, bending of different angles and amplitudes can be carried out on the waterproof coiled material sample, so that the bending strength for detection can be greater than the strength for daily waterproof coiled material storage, transportation or construction use, the existence of cracks can be detected with a higher probability, and the detection result is more accurate and reliable.
Description
Technical Field
The invention relates to the technical field of waterproof coiled material performance testing, in particular to a low-temperature flexibility detector for a waterproof coiled material made of asphalt for a building.
Background
Before the waterproof coiled material is constructed, main performance indexes of each batch of incoming waterproof coiled materials are detected, and the detection contents mainly comprise tensile tests, heat resistance, low-temperature flexibility, cold bending temperature, low-temperature bending property, water impermeability, tearing performance and soluble substance content tests. These main performance indicators are measured in the unloaded, i.e. unstressed, state. However, the roof concrete can generate deformation cracks under the action of thermal expansion and cold contraction, the width of the cracks can reach 2-4 cm, namely, the local stretching deformation can reach 200%. Because the roofing waterproof roll can receive low temperature examination in winter, the stretching deformation can have certain influence on the low-temperature flexibility of the waterproof roll. However, since there is no device for detecting the low-temperature flexibility of the waterproof roll in a stretched state in the industry, the influence of the stretching deformation caused by the crack on the low-temperature flexibility of the waterproof roll is unknown.
The existing low-temperature flexible detection equipment and method for the waterproof coiled material are simpler. For example, the chinese application number is: 201811563350.3, which discloses a device and a method for measuring the low-temperature flexibility of a waterproof roll in a stretching state. This measuring device includes cooling tank, refrigerating fluid and the waterproofing membrane of low temperature flexibility appearance, be fixed with the waterproofing membrane on the link joint fixed subassembly, the horizontal level of link joint fixed subassembly is located the cooling, the vertical level of main cylinder sets up in the fixed subassembly below of link joint, the equal vertical level setting of left side spacing cylinder and right side spacing cylinder is in the fixed subassembly top of link joint, main cylinder, left side spacing cylinder and right side spacing cylinder are driven from top to bottom by the cylinder. During the measurement, let waterproofing membrane after cooling for a period in the refrigerating fluid, drive the main column and move upwards, waterproofing membrane and the fixed subassembly of link joint are crooked, observe and record the condition of waterproofing membrane crooked position.
The above-mentioned detection equipment has the defects of at least: 1. the waterproof roll is bent in a single direction, the bending is simple, the bending amplitude is small, and the bending strength of the waterproof roll is even lower than the strength of daily waterproof roll storage, transportation or construction use, so that the real condition and performance of the waterproof roll cannot be well expressed during detection, and unqualified products pass detection; 2. for crack detection, the probability of false detection and missed detection is very high by relying on the observation of naked eyes of detection personnel at present; 3. the degree of automation of the device is low, so that a tester can touch the testing device at low temperature, the tester is easily frostbitten, and the safety performance is poor.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the low-temperature flexible detector for the waterproof roll, which is simple and convenient to operate, accurate in detection result and high in automation degree.
The technical scheme for solving the technical problem is as follows: a low temperature flexibility detector for waterproofing membrane, includes:
the detection box body is provided with an installation cavity, a detection cavity and an electric control host positioned on one side of the detection cavity, the detection cavity is filled with refrigerating fluid, and a thermometer for testing the temperature of the refrigerating fluid is also arranged in the detection cavity;
the refrigeration compressor assembly is arranged in the installation cavity, and a cold output end of the refrigeration compressor assembly is communicated with the detection cavity;
the flexible bending assembly comprises a plurality of supporting roller shaft assemblies, wherein the supporting roller shaft assemblies are used for supporting the waterproof coiled material samples and are arranged in the detection chamber;
the stirring assembly is positioned in the detection chamber and is used for stirring the refrigerating fluid;
and the crack detection assembly is arranged in the detection chamber and at least comprises a light-sensitive detection device and an ultrasonic detection device.
The detection box body is also internally provided with an adjusting chamber, the adjusting chamber is communicated with the detection chamber, and a make-and-break valve is arranged between the adjusting chamber and the detection chamber.
Preferably, the detection chamber is communicated with the regulation chamber through a U-shaped pipe, the U-shaped pipe is provided with a high-level port and a low-level port, the high-level port is communicated with the detection chamber, and the low-level port is communicated with the regulation chamber;
the adjusting chamber is also provided with a liquid drainage port, and the liquid drainage port is also sleeved with a sealing plug.
Preferably, the movable roller shaft assembly comprises a longitudinal lifting mechanism arranged in the detection chamber, a transverse moving mechanism arranged on the longitudinal lifting mechanism, and a movable roller shaft arranged on the transverse moving mechanism.
Preferably, the longitudinal lifting mechanism comprises a longitudinal driving motor arranged in the installation cavity, a first output gear sleeved on an output shaft of the longitudinal driving motor, a longitudinal spur rack meshed with the first output gear, and a fixed seat fixed on the longitudinal spur rack;
the transverse moving mechanism comprises a transverse driving motor arranged on a fixed seat, a second output gear arranged on an output shaft of the transverse driving motor in a sleeved mode, a transverse straight rack meshed with the second output gear and a coupler fixed on the transverse straight rack, and a movable roller shaft is connected with the coupler.
Preferably, the detection box body is provided with a detachable upper cover plate;
the light sensation detection device comprises a light emitter arranged on the upper cover plate and a light receiver arranged at the bottom of the detection chamber, and the light emitter and the light receiver are in communication connection with the electric control host;
the ultrasonic detection device comprises an ultrasonic generating device and an ultrasonic receiving device which are arranged on the upper cover plate, and the ultrasonic generating device and the ultrasonic receiving device are in communication connection with the electric control host.
Preferably, the stirring assembly comprises a stirring motor arranged in the mounting chamber, a transmission mechanism in transmission connection with an output shaft of the stirring motor, and a stirring blade connected with the transmission mechanism, and the stirring blade extends into the detection chamber.
Preferably, the stirring assembly further comprises an ultrasonic oscillator arranged in the detection chamber.
Preferably, the movable roller shaft assembly is detachably connected with a winding device, and the winding device comprises a connecting ring and a plurality of guide columns convexly arranged on the connecting ring.
Preferably, the connecting ring is provided with a buckle, the movable roller shaft assembly is provided with a buckle groove, and the buckle is inserted into the buckle groove to realize the connection of the movable roller shaft assembly and the winding device.
The invention has the beneficial effects that: 1. the movable roller shaft assembly and the fixed roller shaft are matched for use, so that bending of the waterproof coiled material sample at different angles and different amplitudes can be performed, the bending strength for detection can be greater than the strength for daily waterproof coiled material storage, transportation or construction use, the existence of cracks can be detected with a higher probability, and the detection result is more accurate and reliable; 2. for crack detection, the conditions of missed detection and wrong detection are eliminated by a combined detection mode of a light sensing detection device and an ultrasonic detection device; 3. the instrument degree of automation is high, can accomodate automatically or expand waterproofing membrane, reduces the tester and touches the condition of test equipment under the low temperature, effectively protects the testing personnel, and the security performance is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic longitudinal sectional view of the present invention.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a mechanism schematic view of the longitudinal lifting mechanism and the lateral moving mechanism.
Fig. 5 is a schematic view of the assembly of the movable roller shaft and the winding device.
Fig. 6 is a schematic plan view of the movable roller shaft and the winding device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, a low temperature flexibility detector for a waterproof roll includes:
the detection box body 1 is provided with an installation chamber 2, a detection chamber 3 and an electric control host 4 positioned on one side of the detection chamber 3, refrigerating fluid 5 is filled in the detection chamber 3, and a thermometer 6 for testing the temperature of the refrigerating fluid 5 is also arranged in the detection chamber 3;
the refrigeration compressor assembly 7 is arranged in the installation chamber 2, and the cold output end of the refrigeration compressor assembly 7 is communicated with the detection chamber 3;
the flexible bending assembly comprises a plurality of supporting roller shaft assemblies, wherein the supporting roller shaft assemblies are used for supporting the waterproof coiled material sample 8 and are arranged in the detection chamber 3, each supporting roller shaft assembly comprises a plurality of movable roller shaft assemblies 9 and fixed roller shafts 10, and the plurality of fixed roller shafts 10 are positioned at the same horizontal height;
a stirring assembly located in the detection chamber 3 and used for stirring the refrigerating fluid 5;
and the crack detection assembly is arranged in the detection chamber 3 and at least comprises a light-sensitive detection device and an ultrasonic detection device. Preferably, a crack detection assembly is arranged between every two adjacent roll shafts so as to accurately and correspondingly detect the waterproof roll material sample 8 of each section;
the detection box body 1 is also internally provided with an adjusting chamber 11, the adjusting chamber 11 is communicated with the detection chamber 3, and a on-off valve 12 is arranged between the adjusting chamber 11 and the detection chamber 3.
In this embodiment, the detection chamber 3 is communicated with the regulation chamber 11 through a U-shaped pipe 13, the U-shaped pipe 13 has a high port 14 and a low port 15, the high port 14 is communicated with the detection chamber 3, and the low port 15 is communicated with the regulation chamber 11; the adjusting chamber 11 is also provided with a liquid drainage port 16, and the liquid drainage port 16 is also sleeved with a sealing plug 17. When the device is used specifically, when the refrigerating fluid 5 in the detection chamber 3 is too high, the on-off valve 12 is opened, and at the moment, the refrigerating fluid 5 in the detection chamber 3 automatically flows into the regulating chamber 11 under the influence of gravity through the arrangement of the U-shaped pipe 13 with high-low fall; when the refrigerating fluid 5 in the detection chamber 3 is too low, the on-off valve 12 is closed, the liquid discharge port 16 is opened, the refrigerating fluid 5 flowing out of the regulation chamber 11 is received by the external container, and then the refrigerating fluid is poured back into the detection chamber 3. Therefore, the setting of the adjustment chamber 11 can be used to adjust the height of the frozen liquid 5 in the detection chamber 3.
In order to realize the transverse movement and the longitudinal movement of the movable roll shaft, the waterproof roll sample is bent. The preferable structure is as follows: the movable roller shaft assembly 9 comprises a longitudinal lifting mechanism arranged in the detection chamber 3, a transverse moving mechanism arranged on the longitudinal lifting mechanism, and a movable roller shaft 17 arranged on the transverse moving mechanism. The longitudinal lifting mechanism comprises a longitudinal driving motor 18 arranged in the mounting chamber 2, a first output gear 19 sleeved on an output shaft of the longitudinal driving motor 18, a longitudinal spur rack 20 meshed with the first output gear 19, and a fixed seat 21 fixed on the longitudinal spur rack 20; the transverse moving mechanism comprises a transverse driving motor 22 arranged on a fixed seat 21, a second output gear 23 arranged on an output shaft of the transverse driving motor 22 in a sleeved mode, a transverse straight rack 24 meshed with the second output gear 23 and a coupler 25 fixed on the transverse straight rack 24, wherein the movable roller shaft 17 is connected with the coupler 25. When the lifting mechanism is used, the lifting movement of the movable roll shaft 17 can be realized by starting the longitudinal driving motor 18, and the transverse movement of the movable roll shaft 17 can be realized by starting the transverse driving motor 22.
Preferably, most of the components in the longitudinal lifting mechanism and the transverse moving mechanism are arranged in the installation chamber 2, only the transverse spur rack 24 and the coupler 25 extend into the detection chamber 3, and sealing measures (fittings such as sealing pieces and sealing glue can be adopted) are made at relevant connecting parts so as to prevent the refrigerating fluid 5 in the detection chamber 3 from pouring into the installation chamber 2 and ensure the normal operation of the components.
In this embodiment, the detection box 1 has a detachable upper cover plate 26; the light sensation detection device comprises a light emitter 27 arranged on the upper cover plate 26 and a light receiver 28 arranged at the bottom of the detection chamber 3, and the light emitter 27 and the light receiver 28 are both in communication connection with the electronic control host 4; the ultrasonic detection device comprises an ultrasonic generating device 29 and an ultrasonic receiving device 30 which are arranged on the upper cover plate 26, and the ultrasonic generating device 29 and the ultrasonic receiving device 30 are both in communication connection with the electronic control host 4. In this embodiment, a specific light sensation detection device and an ultrasonic wave generation device 29 are provided, and whether a crack exists in the waterproof roll sample can be detected respectively through two modes of light sensation and ultrasonic wave feedback. If use a certain crack detection subassembly, the condition of error and false retrieval appears more easily in the testing process, the advantage of this embodiment lies in, uses the crack detection subassembly combination of two kinds of different functional principles, detects to synthesize two data to make the detection effect to waterproofing membrane better accurate target in place.
If there is a fine crack in the waterproof roll, but since the heatstroke prevention roll is partially or completely immersed in the freezing liquid 5 with liquid adhered thereto, the liquid has a certain surface tension and may be adhered to the crack, so that the crack detection assembly cannot accurately detect the crack, resulting in defective products flowing into the market through the inspection test. In order to make the detection effect more accurate, this embodiment provides a structure of preferred stirring subassembly, specifically is: the device comprises a stirring motor 31 arranged in the installation chamber 2, a transmission mechanism in transmission connection with an output shaft of the stirring motor 31, and a stirring blade 32 connected with the transmission mechanism, wherein the stirring blade 32 extends into the detection chamber 3. Due to the arrangement of the stirring assembly, the refrigerating fluid 5 in the detection chamber 3 can strongly flow to impact the liquid attached to the crack, so that the crack is more obviously exposed, and the probability of detecting the crack by the crack detection assembly is improved.
Further, the stirring assembly further comprises an ultrasonic oscillator 33 disposed in the detection chamber 3. The ultrasonic oscillator 33 generates oscillation by using the high-frequency sound wave of the ultrasonic wave, can stir the solution, and also plays a role in cleaning, so that if the waterproof roll has fine cracks and plugs exist in the cracks, the cracks can be exposed as much as possible through the ultrasonic oscillator 33, and the probability that the crack detection assembly detects the cracks is further improved.
In the present invention, the movable roller shaft assembly 9 is further detachably connected with a winding device 34, and the winding device 34 includes a connecting ring 35 and a plurality of guiding studs 36 protruding from the connecting ring 35. Specifically, the connecting ring 35 is provided with a buckle 37, the movable roller shaft assembly 9 is provided with a buckle groove 38, and the buckle is inserted into the buckle groove 38 to realize the connection between the movable roller shaft assembly 9 and the winding device 34. When the waterproof roll winding device is used, part of waterproof rolls are firstly wound on the guide column 36, and the winding device 34 synchronously rotates by rotating the movable roller shaft assembly 9, so that the originally unfolded waterproof rolls can be automatically wound into a roll, and an automatic storage function is achieved; similarly, the movable roller shaft assembly 9 is rotated reversely, so that the originally agglomerated waterproofing membrane is released and unfolded. More preferably, a rotating motor 39 is provided, and the rotation of the movable roller shaft assembly 9 can be driven by the operation of the rotating motor 39.
The refrigerating fluid 5 in the present invention is preferably: propylene glycol solution with concentration of 50%, or mixture of ethanol and water (volume ratio of 2: 1) with temperature below-20 deg.C.
The low-temperature flexibility detection test of the waterproof coiled material comprises the following steps:
1. preparing a waterproof coiled material sample 8 and preparing an instrument, wherein a movable roller shaft assembly 9 and a fixed roller shaft assembly 10 are positioned at the same horizontal height, and preparing a plurality of waterproof coiled material samples 8 in the same batch;
2. the refrigerating fluid 5 reaches the specified test temperature, the error is not more than 0.5 ℃, and the waterproof coiled material sample 8 is placed on the supporting roller shaft assembly to ensure that the refrigerating fluid 5 completely immerses the test piece. After the waterproof coiled material sample 8 is put into the refrigerating fluid 5 and reaches the specified temperature, the temperature is kept for 1h +/-5 min, the thermometer 6 is close to the waterproof coiled material sample 8, and the temperature of the refrigerating fluid 5 is checked;
3. starting the movable roll shaft assembly 9 to change the transverse position and the longitudinal position of the movable roll shaft 17, and keeping the position of the fixed roll shaft 10 unchanged, so that the waterproof roll sample 8 is bent, and the bending amplitude and angle can be automatically controlled by adjusting the position of the movable roll shaft 17;
4. keeping the bending state for a period of time, and observing and discharging a waterproof coiled material sample 8 with obvious cracks by naked eyes in the process;
5. starting the stirring assembly to enable the refrigerating fluid 5 to flow and oscillate so as to impact cracks possibly existing in the waterproof coiled material sample 8;
6. the stirring assembly is closed, after the refrigerating fluid 5 is calmed, the crack detection assembly is started, and the crack detection assembly can be combined through light sensation and ultrasonic feedback to detect whether the waterproof roll has cracks more accurately;
7. the remaining waterproofing membrane samples 8 of the same batch were subjected to the above-mentioned inspection step.
The invention can also measure the cold bending temperature of the waterproof roll, and the operation steps are the same as the steps 3-6 of the low-temperature flexibility detection test. The cold bending temperature is judged in the following mode: the range of cold-bending temperatures (unknown) was initially determined by testing each test piece every 6 ℃ starting from the desired cold-bending temperature, so that each test temperature was a multiple of 6 ℃ (e.g. -12 ℃, -18 ℃, -24 ℃ etc.), testing the upper and lower surfaces of each set of five waterproofing membrane samples 8 every 2 ℃ starting from the lowest temperature that initially caused damage, with successive changes of temperature of 2 ℃ each time, until there were at least 4 non-cracks after each set of 5 test pieces, which temperature record was the cold-bending temperature of the set of waterproofing membrane samples 8.
Claims (10)
1. The utility model provides a waterproofing membrane's flexible detector of low temperature which characterized in that includes:
the detection box body is provided with an installation cavity, a detection cavity and an electric control host positioned on one side of the detection cavity, the detection cavity is filled with refrigerating fluid, and a thermometer for testing the temperature of the refrigerating fluid is also arranged in the detection cavity;
the refrigeration compressor assembly is arranged in the installation cavity, and a cold output end of the refrigeration compressor assembly is communicated with the detection cavity;
the flexible bending assembly comprises a plurality of supporting roller shaft assemblies, wherein the supporting roller shaft assemblies are used for supporting the waterproof coiled material samples and are arranged in the detection chamber;
the stirring assembly is positioned in the detection chamber and is used for stirring the refrigerating fluid;
and the crack detection assembly is arranged in the detection chamber and at least comprises a light-sensitive detection device and an ultrasonic detection device.
2. The instrument according to claim 1, wherein the instrument further comprises: the detection box body is also internally provided with an adjusting chamber, the adjusting chamber is communicated with the detection chamber, and a make-and-break valve is arranged between the adjusting chamber and the detection chamber.
3. The instrument according to claim 2, wherein the instrument further comprises: the detection chamber is communicated with the regulation chamber through a U-shaped pipe, the U-shaped pipe is provided with a high-level port and a low-level port, the high-level port is communicated with the detection chamber, and the low-level port is communicated with the regulation chamber;
the adjusting chamber is also provided with a liquid drainage port, and the liquid drainage port is also sleeved with a sealing plug.
4. The instrument according to claim 1, wherein the instrument further comprises: the movable roller shaft assembly comprises a longitudinal lifting mechanism arranged in the detection chamber, a transverse moving mechanism arranged on the longitudinal lifting mechanism, and a movable roller shaft arranged on the transverse moving mechanism.
5. The instrument according to claim 4, wherein the instrument further comprises: the longitudinal lifting mechanism comprises a longitudinal driving motor arranged in the mounting cavity, a first output gear sleeved on an output shaft of the longitudinal driving motor, a longitudinal straight rack meshed with the first output gear and a fixed seat fixed on the longitudinal straight rack;
the transverse moving mechanism comprises a transverse driving motor arranged on a fixed seat, a second output gear arranged on an output shaft of the transverse driving motor in a sleeved mode, a transverse straight rack meshed with the second output gear and a coupler fixed on the transverse straight rack, and a movable roller shaft is connected with the coupler.
6. The instrument according to claim 1, wherein the instrument further comprises: the detection box body is provided with a detachable upper cover plate;
the light sensation detection device comprises a light emitter arranged on the upper cover plate and a light receiver arranged at the bottom of the detection chamber, and the light emitter and the light receiver are in communication connection with the electric control host;
the ultrasonic detection device comprises an ultrasonic generating device and an ultrasonic receiving device which are arranged on the upper cover plate, and the ultrasonic generating device and the ultrasonic receiving device are in communication connection with the electric control host.
7. The instrument according to claim 1, wherein the instrument further comprises: the stirring assembly comprises a stirring motor arranged in the mounting cavity, a transmission mechanism in transmission connection with an output shaft of the stirring motor, and a stirring blade connected with the transmission mechanism, wherein the stirring blade extends into the detection cavity.
8. The instrument according to claim 7, wherein the instrument further comprises: the stirring component also comprises an ultrasonic oscillator arranged in the detection chamber.
9. The instrument according to claim 1, wherein the instrument further comprises: the movable roller shaft assembly can be detachably connected with a winding device, and the winding device comprises a connecting ring and a plurality of guide columns convexly arranged on the connecting ring.
10. The instrument according to claim 9, wherein the instrument further comprises: the connecting ring is provided with a buckle, the movable roller shaft assembly is provided with a buckling groove, and the buckle is inserted into the buckling groove to realize the connection of the movable roller shaft assembly and the winding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630423.7A CN111721643B (en) | 2020-07-03 | 2020-07-03 | Low-temperature flexibility detector for waterproof coiled material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630423.7A CN111721643B (en) | 2020-07-03 | 2020-07-03 | Low-temperature flexibility detector for waterproof coiled material |
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| CN111721643A true CN111721643A (en) | 2020-09-29 |
| CN111721643B CN111721643B (en) | 2023-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347187A (en) * | 2023-12-05 | 2024-01-05 | 广东众志检测仪器有限公司 | Photovoltaic cell panel bending strength detection device and detection method |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117347187A (en) * | 2023-12-05 | 2024-01-05 | 广东众志检测仪器有限公司 | Photovoltaic cell panel bending strength detection device and detection method |
| CN117347187B (en) * | 2023-12-05 | 2024-03-19 | 广东众志检测仪器有限公司 | Photovoltaic cell panel bending strength detection device and detection method |
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