CN209198226U - It is a kind of cold execution conditions under concrete shrinkage experimental rig - Google Patents
It is a kind of cold execution conditions under concrete shrinkage experimental rig Download PDFInfo
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- CN209198226U CN209198226U CN201821824070.9U CN201821824070U CN209198226U CN 209198226 U CN209198226 U CN 209198226U CN 201821824070 U CN201821824070 U CN 201821824070U CN 209198226 U CN209198226 U CN 209198226U
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- simulation box
- case lid
- experimental rig
- chamber
- execution conditions
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Abstract
The utility model discloses concrete shrinkage experimental rigs under a kind of cold execution conditions, belong to architectural experiment equipment technical field.The case lid lid of the experimental rig closes at the top of chamber, two the first lifting devices are located at the two sides of chamber, the top of first lifting device is flexibly connected with case lid, chamber includes the first simulation box and the second simulation box, thermal-insulation baffle plate is equipped between first simulation box and the second simulation box, chamber door has been respectively articulated on first simulation box and the second simulation box, conversion equipment is located on case lid, conversion equipment includes motor, rotary shaft and swingle, the output shaft of motor is fixedly connected with rotary shaft, the inside that rotary shaft enters case lid is fixedly connected with swingle, rotary shaft is flexibly connected with case lid, two test block racks pass through extensible member respectively and are fixedly connected with the both ends of swingle.The experimental rig of the utility model can simulate the big climatic phenomenon of the cold district temperature difference, additionally it is possible to realize in cabinet to the automatic conversion of sample.
Description
Technical field
The utility model relates to architectural experiment equipment technical fields, and in particular to it is a kind of cold execution conditions under concrete receive
Contracting experimental rig.
Background technique
The contraction of concrete refers in concrete caused by the factors such as the variation, chemical reaction of contained humidity and temperature change
Volume-diminished, the referred to as contraction of concrete.It constructs under the winter cold environment of northern China cold district, execution conditions are difficult
Difficulty, if freeze injury occurs during concrete hydrating, concrete is slight and durability will suffer from seriously destroying, to the whole of building
Weight causes damages, and it is mixed to detect specially to simulate northern climatic environment for concrete shrinkage experimental rig under cold execution conditions
The shrinkage of solidifying soil test block, concrete shrinkage performance is qualified just to can ensure that construction quality, therefore the inspection of concrete shrinkage performance
It surveys particularly significant.
The climatic phenomenon in north cold area winter be it is extremely complex, some areas day and night temperature is larger, and it is this compared with
The big temperature difference, which forms cold cycling, has important influence to the contraction of concrete, and existing concrete shrinkage experimental rig is to gas
The simulation for waiting phenomenon has certain limitation, can only simulate low temperature environment, it is impossible to be used in simulation concrete is larger in the temperature difference
Contraction situation in environment.
Utility model content
The purpose of this utility model is to overcome the problems of the prior art, coagulation under a kind of cold execution conditions is provided
Native shrinkage test device.
The utility model provides concrete shrinkage experimental rig under a kind of cold execution conditions, comprising: chamber, two
Test block rack, conversion equipment, case lid, two the first lifting devices, the case lid lid close at the top of chamber, and two first
Lifting device is located at the two sides of chamber, and the top of the first lifting device is flexibly connected with case lid, and the chamber includes first
Simulation box and the second simulation box are equipped with thermal-insulation baffle plate, the first simulation box and the second mould between the first simulation box and the second simulation box
It has been respectively articulated with chamber door on quasi- case, the conversion equipment is located on case lid, and conversion equipment includes motor, rotary shaft and swingle,
The motor is fixed on the top of case lid, and the output shaft of motor is fixedly connected with rotary shaft, rotary shaft enter the inside of case lid with
Swingle is fixedly connected, and rotary shaft is flexibly connected with case lid, and two test block racks pass through the two of extensible member and swingle respectively
End is fixedly connected, and two test block racks are located in the first simulation box and the second simulation box, motor by control switch with
Power electric connection.
Preferably, the first simulation box is connected with the first temperature control equipment, the second simulation box is connected with second temperature control
Device, the first temperature control equipment and second temperature control device are respectively provided at the bottom of the first simulation box and the second simulation box；
Fog-spray nozzle and spray head are also equipped in first simulation box and the second simulation box, the fog-spray nozzle and spray head are logical
It crosses connecting tube to connect with water tank, connecting tube is located in thermal-insulation baffle plate, and water pump is additionally provided between connecting tube and water tank, and water tank is located at
The bottom of one simulation box and the second simulation box.
Preferably, test block rack is equipped with concrete shrinkage detector, chamber door is equipped with transparency window.
Preferably, case lid and the outer wall of chamber are slidably connected.
Preferably, being equipped with the first temperature sensor and the first humidity sensor in the first simulation box, first temperature is passed
Sensor and the first humidity sensor are connect by controller with the first temperature control equipment and water pump, the temperature sensor, wet
Degree sensor, controller, the first temperature control equipment and water pump are electrically connected to a power source, and controller is located at the first simulation box or the
The bottom of two simulation boxes.
Preferably, being equipped with second temperature sensor and the second humidity sensor in the second simulation box, the second temperature is passed
Sensor and the second humidity sensor are connect by controller with second temperature control device and water pump, the temperature sensor, wet
Degree sensor, controller, second temperature control device and water pump are electrically connected to a power source, and controller is located at the first simulation box or the
The bottom of two simulation boxes.
Preferably, the first lifting device is hydraulic lifting post.
Preferably, extensible member is electric telescopic rod.
Compared with prior art, the utility model has the beneficial effects that the experimental rig of the utility model can simulate it is cold
The big climatic phenomenon of the cryogenic region temperature difference, and night-environment and daytime temperature environment are simulated respectively by two chambers, it saves
The multiple temperature cycles conversion of single chamber adjust needed for time, improve conventional efficient, accelerate construction speed, together
When this experimental rig can be realized the automatic conversion in cabinet to sample, avoid due to open chamber door manual switch trouble
And the energy loss as caused by manual switch, it is energy-efficient, it is practical.It can also distinguish in cabinet on this basis
Water injector is designed, spraying device, snowing device and the device blown a cold wind over to enable this experimental provision to simulate more
Natural phenomena test under complicated construction environment on the comprehensive analysis that concrete contraction percentage influences.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Description of symbols:
1. chamber, 11. first simulation boxes, 12. second simulation boxes, 2. test block racks, 3. conversion equipments, 31. motors,
32. rotary shaft, 33. swingles, 4. case lids, 5. first lifting devices, 6. first temperature control equipments, the control of 7. second temperatures
Device, 8. water tanks, 9. extensible members.
Specific embodiment
With reference to the accompanying drawing 1, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the utility model protection
Range.
Concrete shrinkage experimental rig under a kind of cold execution conditions provided by the utility model, comprising: chamber 1, two
4, two a test block rack 2, conversion equipment 3, case lid the first lifting devices 5, the lid of case lid 4 close at the top of chamber 1,
Two the first lifting devices 5 are located at the two sides of chamber 1, and the top of the first lifting device 5 is flexibly connected with case lid 4, the examination
Tryoff 1 includes the first simulation box 11 and the second simulation box 12, and thermal insulation separation is equipped between the first simulation box 11 and the second simulation box 12
Chamber door is respectively articulated on plate, the first simulation box 11 and the second simulation box 12, the conversion equipment 3 is located on case lid 4, conversion
Device 3 includes motor 31, rotary shaft 32 and swingle 33, and the motor 31 is fixed on the top of case lid 4, the output shaft of motor 31
It is fixedly connected with rotary shaft 32, the inside that rotary shaft 32 enters case lid 4 is fixedly connected with swingle 33, rotary shaft 32 and case lid 4
It is flexibly connected, two test block racks 2 are fixedly connected by extensible member 9 with the both ends of swingle 33 respectively, and two test blocks are placed
Frame 2 is located in the first simulation box 11 and the second simulation box 12, and motor 31 is electrically connected to a power source by control switch.
By adopting the above technical scheme, the first simulation box 11 and the second simulation box 12 simulate Low Night Temperature environment and in the daytime respectively
High relative humidity environment, since the lid of case lid 4 closes at the top of chamber 1, the top of the first lifting device 5 is flexibly connected with case lid 4,
Therefore with the lifting of the first lifting device 5, case lid 4 can also move up and down, since motor 31 is fixed on the top of case lid 4, electricity
The output shaft of machine 31 is fixedly connected with rotary shaft 32, and the inside that rotary shaft 32 enters case lid 4 is fixedly connected with swingle 33, is rotated
Axis 32 is flexibly connected with case lid 4, therefore rotary shaft 32 can rotate under the drive of motor 31, adopt between rotary shaft 32 and case lid 4
The mode for being flexibly connected or being interference fitted with bearing is ok, since two test block racks 2 pass through extensible member 9 and rotation respectively
The both ends of bull stick 33 are fixedly connected, therefore be will drive extensible member 9 when rotary shaft 32 rotates and be fixedly connected with extensible member 9
Test block rack 2, test block rack 2 and rotary shaft 32 are using the purpose that extensible member 9 connects so that extensible member 9 drives examination
Block rack 2 moves up and down.
In use, concrete test block can be placed on two test block racks 2, meet the concrete of multiple groups different formulations
Test block is tested simultaneously, improves test efficiency, and when test, two test block racks 2 are located at the first simulation box 11 and the
Two simulation boxes 12, the first simulation box 11 are set as night simulation model, and temperature range is average according to the night for simulating regional former years
Temperature is set, and experiment duration can be set according to local night duration, second simulation box 12 for simulating simulation model in the daytime,
Same temperature range is set according to the mean temperature in the daytime for simulating regional former years, experiment duration can according to it is local in the daytime when
Long setting, experiment condition should be designed relative to actual conditions it is harsher, first will be with the first simulation box 11 and the before experiment starts
The first temperature control equipment 6 and second temperature control device 7 of two simulation boxes 12 connection start, so that the first simulation box 11 and the
The temperature of two simulation boxes 12 reaches setting value, and then concrete test block is placed on two test block racks 2, shuts chamber door,
Extensible member 9 is in elongation state at this time, and concrete test block is located inside the first simulation box 11 and the second simulation box 12, when experiment
Between when reaching subsequent progress Day-night shift, extensible member 9 is shunk at this time, and test block rack 2 rises to the first simulation box 11 and second
Then the top of simulation box 12 starts the first lifting device 5 and case lid 4 is raised, until case lid 4 drives on test block rack 2
When being elevated above the first simulation box 11 and the second 12 top of simulation box, starting motor 31 makes swingle 33 drive test block rack
2 rotation 180 degrees, two test block racks 2 are exchanged, and then the first lifting device 5 declines, and the lid of case lid 4 is closed in the first mould
On quasi- case 11 and the second simulation box 12, extensible member 9 extends, and test specimen is again introduced into the first simulation box 11 and the second simulation box 12 carries out
Experiment, this process circulation, and the contraction situation of concrete sample during test is detected, until experiment terminates, the utility model
Experimental rig can simulate the big climatic phenomenon of the cold district temperature difference, and simulate night-environment respectively by two chambers
With daytime temperature environment, the time that the multiple temperature cycles conversion of single chamber is adjusted is saved, conventional efficient is improved, adds
Fast construction speed, while this experimental rig can be realized the automatic conversion in cabinet to sample, avoid due to opening case
The trouble and the energy loss as caused by manual switch of door manual switch, it is energy-efficient, it is practical.On the basis of again
Water injector can be separately designed in cabinet, spraying device, snowing device and the device blown a cold wind over come so that this experiment fills
More natural phenomenas can be simulated by setting, and test under complicated construction environment on the comprehensive analysis that concrete contraction percentage influences.
Further, the first simulation box 11 is connected with the first temperature control equipment 6, and the second simulation box 12 is connected with the second temperature
Control device 7 is spent, the first temperature control equipment 6 and second temperature control device 7 are respectively provided at the first simulation box 11 and the second mould
The bottom of quasi- case 12；
Fog-spray nozzle and spray head, the fog-spray nozzle and spray head are also equipped in first simulation box 11 and the second simulation box 12
It is connect by connecting tube with water tank 8, connecting tube is located in thermal-insulation baffle plate, and water pump, water tank are additionally provided between connecting tube and water tank 8
8 are located at the bottom of the first simulation box 11 and the second simulation box 12.
First temperature control equipment 6 and second temperature control device 7 can be by being heated or cooled circulating liquid
To realize the regulation and control to simulation the temperature inside the box.
Further, test block rack 2 is equipped with concrete shrinkage detector, and chamber door is equipped with transparency window.
Further, case lid 4 and the outer wall of chamber 1 are slidably connected.
Further, the first temperature sensor and the first humidity sensor, first temperature are equipped in the first simulation box 11
Degree sensor and the first humidity sensor are connect by controller with the first temperature control equipment 6 and water pump, the temperature sensing
Device, humidity sensor, controller, the first temperature control equipment 6 and water pump are electrically connected to a power source, and controller is located at the first simulation
The bottom of case 11 or the second simulation box 12.
Further, second temperature sensor and the second humidity sensor, second temperature are equipped in the second simulation box 12
Degree sensor and the second humidity sensor are connect by controller with second temperature control device 7 and water pump, the temperature sensing
Device, humidity sensor, controller, second temperature control device 7 and water.
Further, the first lifting device 5 is hydraulic lifting post.
Further, extensible member 9 is electric telescopic rod.
To sum up, the experimental rig of the utility model can simulate the big climatic phenomenon of the cold district temperature difference, and pass through two
Night-environment and daytime temperature environment are simulated in a chamber respectively, are saved the multiple temperature cycles conversion of single chamber and are adjusted
The required time, conventional efficient is improved, accelerates construction speed, while this experimental rig can be realized in cabinet to sample
Automatic conversion, avoid the trouble as opening chamber door manual switch and the energy loss as caused by manual switch, it is high
Effect energy conservation, it is practical.Can also separately design water injector in cabinet on this basis, spraying device, snowing device, with
And the device blown a cold wind over to enable this experimental provision to simulate more natural phenomenas, carries out under complicated construction environment to coagulation
The comprehensive analysis experiment that native shrinking percentage influences.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. concrete shrinkage experimental rig under a kind of cold execution conditions characterized by comprising chamber (1), two test blocks
Rack (2), conversion equipment (3), case lid (4), two the first lifting devices (5), case lid (4) lid are closed in chamber (1)
Top, two the first lifting devices (5) are located at the two sides of chamber (1), the top and case lid (4) of the first lifting device (5)
Connection, the chamber (1) include the first simulation box (11) and the second simulation box (12), and the first simulation box (11) and second are simulated
It is equipped with thermal-insulation baffle plate between case (12), has been respectively articulated with chamber door on the first simulation box (11) and the second simulation box (12), described turn
Changing device (3) is located on case lid (4), and conversion equipment (3) includes motor (31), rotary shaft (32) and swingle (33), the electricity
Machine (31) is fixed on the top of case lid (4), and the output shaft of motor (31) is fixedly connected with rotary shaft (32), and rotary shaft (32) enters
The inside of case lid (4) is fixedly connected with swingle (33), and rotary shaft (32) is flexibly connected with case lid (4), two test block racks
(2) it is fixedly connected respectively by extensible member (9) with the both ends of swingle (33), two test block racks (2) are located at first
In simulation box (11) and the second simulation box (12), motor (31) is electrically connected to a power source by control switch.
2. concrete shrinkage experimental rig under cold execution conditions as described in claim 1, which is characterized in that first mould
Quasi- case (11) are connected with the first temperature control equipment (6), and the second simulation box (12) is connected with second temperature control device (7), the
One temperature control equipment (6) and second temperature control device (7) are respectively provided at the first simulation box (11) and the second simulation box (12)
Bottom；
Fog-spray nozzle and spray head, the fog-spray nozzle and spray head are also equipped in first simulation box (11) and the second simulation box (12)
It is connect by connecting tube with water tank (8), connecting tube is located in thermal-insulation baffle plate, it is additionally provided with water pump between connecting tube and water tank (8),
Water tank (8) is located at the bottom of the first simulation box (11) and the second simulation box (12).
3. concrete shrinkage experimental rig under cold execution conditions as described in claim 1, which is characterized in that the test block is put
Frame (2) are set equipped with concrete shrinkage detector, chamber door is equipped with transparency window.
4. concrete shrinkage experimental rig under cold execution conditions as described in claim 1, which is characterized in that the case lid
(4) outer wall with chamber (1) is slidably connected.
5. concrete shrinkage experimental rig under cold execution conditions as claimed in claim 2, which is characterized in that first mould
The first temperature sensor and the first humidity sensor, first temperature sensor and the first humidity sensor are equipped in quasi- case (11)
Device is connect by controller with the first temperature control equipment (6) and water pump, the temperature sensor, humidity sensor, controller,
First temperature control equipment (6) and water pump are electrically connected to a power source, and controller is located at the first simulation box (11) or the second simulation box
(12) bottom.
6. concrete shrinkage experimental rig under cold execution conditions as claimed in claim 2, which is characterized in that second mould
Second temperature sensor and the second humidity sensor, the second temperature sensor and the second humidity sensor are equipped in quasi- case (12)
Device is connect by controller with second temperature control device (7) and water pump, the temperature sensor, humidity sensor, controller,
Second temperature control device (7) and water pump are electrically connected to a power source, and controller is located at the first simulation box (11) or the second simulation box
(12) bottom.
7. concrete shrinkage experimental rig under cold execution conditions as described in claim 1, which is characterized in that described first liter
Falling unit (5) is hydraulic lifting post.
8. concrete shrinkage experimental rig under cold execution conditions as described in claim 1, which is characterized in that the extensible member
It (9) is electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824070.9U CN209198226U (en) | 2018-11-06 | 2018-11-06 | It is a kind of cold execution conditions under concrete shrinkage experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824070.9U CN209198226U (en) | 2018-11-06 | 2018-11-06 | It is a kind of cold execution conditions under concrete shrinkage experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198226U true CN209198226U (en) | 2019-08-02 |
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ID=67410518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821824070.9U Expired - Fee Related CN209198226U (en) | 2018-11-06 | 2018-11-06 | It is a kind of cold execution conditions under concrete shrinkage experimental rig |
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| CN (1) | CN209198226U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749540A (en) * | 2019-12-05 | 2020-02-04 | 中国民用航空总局第二研究所 | System for be used for acid salt fog test |
| CN110898864A (en) * | 2019-12-18 | 2020-03-24 | 东莞市灏凯仪器设备有限公司 | Multifunctional miniaturized test box and product performance test method |
| CN112435561A (en) * | 2020-12-10 | 2021-03-02 | 江苏经贸职业技术学院 | Random simulation device based on multi-point geostatistics |
-
2018
- 2018-11-06 CN CN201821824070.9U patent/CN209198226U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749540A (en) * | 2019-12-05 | 2020-02-04 | 中国民用航空总局第二研究所 | System for be used for acid salt fog test |
| CN110898864A (en) * | 2019-12-18 | 2020-03-24 | 东莞市灏凯仪器设备有限公司 | Multifunctional miniaturized test box and product performance test method |
| CN112435561A (en) * | 2020-12-10 | 2021-03-02 | 江苏经贸职业技术学院 | Random simulation device based on multi-point geostatistics |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |