CN208109603U - Constant pressure concrete frozen process experiment device - Google Patents
Constant pressure concrete frozen process experiment device Download PDFInfo
- Publication number
- CN208109603U CN208109603U CN201820619434.3U CN201820619434U CN208109603U CN 208109603 U CN208109603 U CN 208109603U CN 201820619434 U CN201820619434 U CN 201820619434U CN 208109603 U CN208109603 U CN 208109603U
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- China
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- load plate
- constant pressure
- top board
- pedestal
- process experiment
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Abstract
The utility model discloses a kind of constant pressure concrete frozen process experiment devices, and constant pressure loading device includes bottom plate, pedestal, load plate, top board, and pedestal is fixed on bottom plate, and load plate is located above pedestal, and top board is located above load plate and is connected by spring；Spring inner is equipped with limited post vertically, which is fixed in load plate, top movable passes through top board；Bottom plate is equipped with more root posts, which is equipped with adjusting nut, through-hole on top board, and column passes through the through-hole, and adjusting nut is located above the through-hole；The vertical pipeline for being equipped with multiple parallel horizontal pipes inside load plate and being connected to horizontal pipe, wherein one end of the horizontal pipe penetrates through to the side of load plate and forms water inlet, the lower end of the vertical pipeline penetrates through to the lower end surface of load plate and forms water outlet, and water inlet is connected to by regulating valve with water pipe.The device can be such that concrete is under constant pressure, carry out frozen process experiment, and structure is simple, at low cost.
Description
Technical field
The utility model relates to a kind of concrete frozen process experiment devices, and in particular to a kind of constant pressure concrete frozen process experiment dress
It sets, belongs to concrete experiments device field.
Background technique
Concrete material raw material are easily obtained, are cheap, intensity is high, thus are widely used in as construction material
Various occasions.Since the conditions such as temperature, humidity in external environment constantly change, to easily cause inside concrete construction continuous
Variation even destroys, and eventually leads to concrete strength reduction, the lost of life；Especially ambient temperature near zero change when,
The moisture of inside concrete freezes repeatedly, melts, freezes again, when moisture is in melting state, small volume, and in jelly
When knot state, volume increases, and the process is very big to inside concrete structure destruction.
In order to study the destructive characteristics in concrete frozen-thaw process, existing concrete frozen process experiment device can be coagulation
The environment of variable temperatures is built in native test block, observes its destructive characteristics；And the concrete in reality in building is in stress,
The result that thus above-mentioned experiment simulates differs larger with reality.
Summary of the invention
The purpose of the utility model is to provide a kind of constant pressure concrete frozen process experiment device, which can be such that concrete is in
Under constant pressure, frozen process experiment is carried out, and present apparatus structure is simple, at low cost.
To achieve the above object, the constant pressure concrete frozen process experiment device that the utility model uses, including compressor, heat exchange
Device, constant pressure loading device, heat exchanger are located at constant pressure loading device at least side and are connected with compressor, the constant pressure load dress
It sets including bottom plate, pedestal, load plate, top board, pedestal is fixed on the bottom plate, and the load plate is located above pedestal, institute
Top board is stated to be located above load plate；The upper surface of load plate is connected with the lower end surface of top board by spring, and spring inner is perpendicular
It is directly equipped with limited post, which is fixed in the load plate, top movable passes through the top board；
The bottom plate is equipped with more root posts, which is equipped with screw thread, has been threadedly engaged adjusting nut with this, it is described on
Pressing plate is equipped with the through-hole cooperated with column, and the column passes through the through-hole, and the adjusting nut is located above the through-hole；
The vertical pipeline for being equipped with multiple parallel horizontal pipes inside the load plate and being connected to horizontal pipe, the level
Wherein one end of pipeline penetrates through to the side of load plate and forms water inlet, and the lower end of the vertical pipeline is penetrated through to load plate
End face simultaneously forms water outlet, and the water inlet is connected to by regulating valve with water pipe.
Further, the spring upper end is additionally provided with pressure gauge, and the top board is equipped with the screen connecting with the pressure gauge
Curtain.
Further, the pedestal upper surface is equipped with the effluent trough of multiple levels, and the pedestal is equipped with catch basin.
It further, further include having thermal-insulating body, the heat exchanger, constant pressure loading device are located in the thermal-insulating body.
Further, the limited post upper end is equipped with horizontal spacer pin.
Preferably, there are four the columns, it is evenly arranged in the surrounding of the bottom plate.
When carrying out concrete frozen process experiment using the present apparatus, concrete test block is placed on pedestal, load plate is placed
On concrete test block, adjusting nut on each column of synchronous rotary, adjusting nut is moved down along column, thus on driving
Pressing plate moves down, compressed spring, so that load plate lower end surface be made to generate certain pressure to concrete test block；By to load plate
The water inlet of side supplies water, water is uniformly penetrated into concrete test block by load plate lower end surface, is adjusted in concrete test block with this
The moisture content in portion；Experimental temperature is adjusted by compressor and heat exchanger, multigelation experiment is carried out to concrete test block；By
This can be completed under constant pressure, frozen process experiment of the concrete test block in different moisture content.Present apparatus structure is simple, at
Sheet is low, is easy to test repeatedly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of constant pressure loading device in Fig. 1；
Fig. 3 is the top view of load plate in Fig. 1, and for convenience of understanding, Fig. 3 amplifies by certain proportion；
In figure：1. column, 11. adjusting nuts, 2. top boards, 3. springs, 31. limited posts, 311. spacer pins, 32. pressure
Meter, 321. screens, 4. load plates, 41. water pipes, 42. regulating valves, 43. horizontal pipes, 44. vertical pipelines, 5. pedestals, 51. water outlets
Slot, 6. bottom plates, 61. catch basins, 7. compressors, 71. heat exchangers, 8. concrete test blocks, 9. thermal-insulating bodies.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, constant pressure concrete frozen process experiment device, including compressor 7, heat exchanger 71, constant pressure load dress
It sets, heat exchanger 71 is located at constant pressure loading device at least side and is connected with compressor 7, and constant pressure loading device includes bottom plate 6, bottom
Seat 5, load plate 4, top board 2, pedestal 5 are fixed on bottom plate 6, and load plate 4 is located at 5 top of pedestal, and top board 2 is located at load plate
4 tops；Load plate 4 and pedestal 5 cooperate, formation about 8 loading surface of concrete test block, and the shape of load plate 4 and pedestal 5 can root
According to actual needs customization squarely or circle；The upper surface of load plate 4 is connected with the lower end surface of top board 2 by spring 3, spring
3 inner verticals are equipped with limited post 31, which is fixed in load plate 4, top movable passes through top board 2；Limit
Column 31 plays the position-limiting action to load plate 4, move up and down load plate 4 can only；
As shown in Figures 1 and 2, bottom plate 6 is equipped with more root posts 1, which is equipped with screw thread, has been threadedly engaged with this
Adjusting nut 11, top board 2 are equipped with the through-hole cooperated with column 1, and column 1 passes through the through-hole, and adjusting nut 11 is logical positioned at this
Above hole；Position by rotating adjusting nut 11, on the vertical direction of adjustable top board 2；
As shown in Figures 1 and 3, it is equipped with multiple parallel horizontal pipes 43 inside load plate 4 and is connected to horizontal pipe 43
Vertical pipeline 44, wherein one end of the horizontal pipe 43 penetrates through to the side of load plate 4 and forms water inlet, the vertical pipeline
44 lower end penetrates through to the lower end surface of load plate 4 and forms water outlet, and water inlet is connected to by regulating valve 42 with water pipe 41；Water by
Water inlet pipe 41 enters, and gives each vertical pipeline 44 communicated therewith by horizontal pipe 43, then penetrates into concrete test block 8
In.
As shown in Figure 1, concrete test block 8 is placed on pedestal 5 when carrying out concrete frozen process experiment using the present apparatus,
Load plate 4 is prevented on concrete test block 8, the adjusting nut 11 on each column 1 of synchronous rotary, adjusting nut 11 is along column
1 moves down, so that top board 2 is driven to move down, compressed spring 3, to make 4 lower end surface of load plate to concrete test block 8
Generate certain pressure；By supplying water to the water inlet of 4 side of load plate, water, which uniformly penetrates into concrete by 4 lower end surface of load plate, to be tried
In block 8, the moisture content inside concrete test block 8 is adjusted with this；Experiment temperature is adjusted by compressor 7 and heat exchanger 71
Degree carries out multigelation experiment to concrete test block 8；It is possible thereby to complete under constant pressure, concrete test block 8 is in different water cut
Frozen process experiment in the case of amount.Present apparatus structure is simple, it is at low cost, be easy to test repeatedly.
In order to accurately control the size of 8 pressure of concrete test block, further, as shown in Figures 1 and 2, on spring 3
End is additionally provided with pressure gauge 32, and top board 2 is equipped with the screen 321 connecting with the pressure gauge 32；I.e. pressure gauge 32 is mounted on spring 3
Between top board 2, screen 321 may be mounted at 2 upper surface of top board, and 321 real-time display spring of screen, 3 pressure is read
Number；When only one limited post 31 and spring 3, the sum of 3 pressure of spring of the display of screen 321 and the self weight of load plate 4
As load the pressure in 8 upper surface of concrete test block；When having multiple limited posts 31 and spring 3, each 3 upper end of spring is all provided with
There is pressure gauge 32, each pressure gauge 32 is respectively connected with screen 321, by rotating each adjusting nut 11, makes each pressure gauge 32
Reading be equal, to control 4 horizontal addload of load plate on concrete test block 8, and stress equalization, and each pressure gauge 32
Reading and the self weight of load plate 4 are added as 8 pressure of concrete test block.
In order to facilitate the exudation of 8 lower end surface water of concrete test block, ponding is prevented, further, as shown in Figure 1,5 upper end of pedestal
Face is equipped with the effluent trough 51 of multiple levels, and pedestal 5 is equipped with catch basin 61, catch basin 61 can be led to the external world, makes water along out
Sink 51 flows into catch basin 61, eventually flows to the external world.
In order to energy saving, further, as shown in Figure 1, further include having thermal-insulating body 9, heat exchanger 71, constant pressure load dress
Setting in the thermal-insulating body 9, as needed, a side of thermal-insulating body 9 can be made of transparent panel, facilitate observation experiment
It is risen or fallen as a result, heat exchanger 71 controls temperature, to keep the present apparatus more energy saving.
Load plate 4 and 2 spacing of top board are excessive in order to prevent, and limited post 31 is made to be detached from top board 2, further, such as
Shown in Fig. 1 and Fig. 2,31 upper end of limited post is equipped with horizontal spacer pin 311.
In order to increase the horizontal stability of top board 2, it is preferable that as shown in Fig. 2, being evenly arranged in bottom there are four columns 1
The surrounding of plate 6.
Claims (6)
1. constant pressure concrete frozen process experiment device, including compressor (7), heat exchanger (71), constant pressure loading device, heat exchanger (71)
It is connected positioned at constant pressure loading device at least side and with compressor (7), it is characterised in that：The constant pressure loading device includes bottom
Plate (6), pedestal (5), load plate (4), top board (2), pedestal (5) are fixed on the bottom plate (6), load plate (4) position
Above pedestal (5), the top board (2) is located above load plate (4)；Under the upper surface and top board (2) of load plate (4)
End face is connected by spring (3), and spring (3) inner vertical is equipped with limited post (31), which is fixed on described
In load plate (4), top movable pass through the top board (2)；
The bottom plate (6) is equipped with more root posts (1), which is equipped with screw thread, has been threadedly engaged adjusting nut with this
(11), the top board (2) is equipped with the through-hole cooperated with column (1), and the column (1) passes through the through-hole, the adjusting spiral shell
Female (11) are located above the through-hole；
The vertical pipeline for being equipped with multiple parallel horizontal pipes (43) inside the load plate (4) and being connected to horizontal pipe (43)
(44), wherein one end of the horizontal pipe (43) penetrates through to the side of load plate (4) and forms water inlet, the vertical pipeline (44)
Lower end penetrate through to the lower end surface of load plate (4) and form water outlet, the water inlet passes through regulating valve (42) and water pipe (41)
Connection.
2. constant pressure concrete frozen process experiment device according to claim 1, it is characterised in that：Spring (3) upper end is also
Equipped with pressure gauge (32), the top board (2) is equipped with the screen (321) connecting with the pressure gauge (32).
3. constant pressure concrete frozen process experiment device according to claim 1, it is characterised in that：Pedestal (5) upper surface
Effluent trough (51) equipped with multiple levels, the pedestal (5) are equipped with catch basin (61).
4. constant pressure concrete frozen process experiment device according to claim 1, it is characterised in that：It further include having thermal-insulating body
(9), the heat exchanger (71), constant pressure loading device are located in the thermal-insulating body (9).
5. constant pressure concrete frozen process experiment device according to any one of claims 1 to 4, it is characterised in that：The limit
Position column (31) upper end is equipped with horizontal spacer pin (311).
6. constant pressure concrete frozen process experiment device according to any one of claims 1 to 4, it is characterised in that：It is described vertical
There are four columns (1), is evenly arranged in the surrounding of the bottom plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619434.3U CN208109603U (en) | 2018-04-27 | 2018-04-27 | Constant pressure concrete frozen process experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619434.3U CN208109603U (en) | 2018-04-27 | 2018-04-27 | Constant pressure concrete frozen process experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109603U true CN208109603U (en) | 2018-11-16 |
Family
ID=64116109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820619434.3U Expired - Fee Related CN208109603U (en) | 2018-04-27 | 2018-04-27 | Constant pressure concrete frozen process experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696452A (en) * | 2018-12-10 | 2019-04-30 | 南华大学 | A kind of test method that flyash influences cement-lime solidified earth frost resistance |
| CN116008333A (en) * | 2022-12-14 | 2023-04-25 | 哈尔滨师范大学 | Soil freeze thawing cycle experimental apparatus |
-
2018
- 2018-04-27 CN CN201820619434.3U patent/CN208109603U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696452A (en) * | 2018-12-10 | 2019-04-30 | 南华大学 | A kind of test method that flyash influences cement-lime solidified earth frost resistance |
| CN116008333A (en) * | 2022-12-14 | 2023-04-25 | 哈尔滨师范大学 | Soil freeze thawing cycle experimental apparatus |
| CN116008333B (en) * | 2022-12-14 | 2023-09-22 | 哈尔滨师范大学 | Soil freeze thawing cycle experimental apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20190427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |