CN207571132U - A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision - Google Patents
A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision Download PDFInfo
- Publication number
- CN207571132U CN207571132U CN201721818738.4U CN201721818738U CN207571132U CN 207571132 U CN207571132 U CN 207571132U CN 201721818738 U CN201721818738 U CN 201721818738U CN 207571132 U CN207571132 U CN 207571132U
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- China
- Prior art keywords
- earth pillar
- experimental provision
- melt settlement
- frozen swell
- functional earth
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision, measuring cylinder, pedestal, porous disc, multiple locating rods and built-in pipe including both ends open;Wherein, measuring cylinder is vertically set on pedestal, porous disc is horizontally set on the bottom of measuring cylinder, locating rod is vertical and is removably mounted on porous disc, and pre-buried pipe sleeve fills the verticality for solving the problems, such as built-in pipe on the securing lever, while the mobile device of air pressure driving is provided in the bottom of pedestal, improve the locomotivity of test device, the test device is simple in structure, simple operation, has higher use value and promotional value.
Description
Technical field
The utility model is related to highway construction testing field, specially a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision,
It can ensure the verticality of built-in pipe.
Background technology
Roadbed is the foundation construction below road, and the stabilized soil pavement of roadbed can be directly reacted on pavement structure.
Aspect of Alpine Permafrost area, the frozen swell and melt settlement of roadbed is the main Types of subgrade defect, and road surface can be made to generate differential settlement, is influenced
The safety of driving with it is comfortable, it is therefore desirable to the roadbed in Aspect of Alpine Permafrost area is handled.PHC concrete tubular pile single piles are held
Load power is high, project cost is cheap, adaptability is good, is the frozen earth roadbed effective Disposal Measures of processing.
Before progress PHC concrete tubular piles disposition is frozen earth roadbed, progress laboratory experiment is needed to be simulated.It is filled in experiment
Putting middle addition pvc pipe replaces pile pile to carry out the experiment of earth pillar frozen swell and melt settlement, and experimental result is analyzed, predicts PHC concrete
Pile pile disposes frozen earth roadbed effect.When carrying out adding in the earth pillar frozen swell and melt settlement simulated experiment of pvc pipe, pvc pipe is hit filling out cylinder
It is difficult to fix during real, verticality is difficult to ensure that, this just produces error to the simulation of reality.It is completed in experiment
Afterwards, when excavating the soil body in earth pillar, earth pillar inner wall has soil and rubble (for earth pillar lower part, playing loaded filter) adhesion,
Be inconvenient to clean in laboratory.Moreover, earth pillar build is larger, the carrying movement for making earth pillar is very painstaking.
Utility model content
For problems of the prior art, the utility model provides a kind of multi-functional frozen swell and melt settlement measuring device.It adopts
Piles with different spacing and stake diameter can be simulated by being combined with porous disc with different locating rods, while also ensure the vertical of built-in pipe
Degree;The mobile cleaning of earth pillar is completed by pressure liftable device simultaneously, is greatly improved work efficiency.
The utility model is to be achieved through the following technical solutions:
A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision, it is measuring cylinder, pedestal, porous disc including both ends open, multiple
Locating rod and built-in pipe;
Wherein, measuring cylinder is vertically set on pedestal, and porous disc is horizontally set on the bottom of measuring cylinder, locating rod it is vertical and
It is removably mounted on porous disc, pre-buried pipe sleeve fills on the securing lever.
Further, be provided with multiple limbers on the porous disc, the limbers is threaded hole, the locating rod with thoroughly
Water plate is connected through a screw thread.
Further, the diameter ratio of the diameter of the built-in pipe and PHC concrete tubular piles is 1:12;Between the built-in pipe
Spacing ratio between spacing and PHC concrete tubular piles is 1:12.
Further, the diameter of the built-in pipe and the diameter of locating rod match, and ensure pre-buried pipe sleeve dress on the securing lever
In plumbness.
Further, it further includes for the mobile device of mobile test device, the mobile device is arranged on the bottom of pedestal.
Further, the mobile device includes lifting gear and idler wheel;The upper end of the lifting gear and the bottom surface of pedestal
Connection, the lower end of lifting gear is connect with idler wheel.
Further, foot stool plate is further included;The top surface of the foot stool plate and the lower end of lifting gear connect, the idler wheel setting
In the bottom surface of foot stool plate.
Further, the idler wheel is 3 universal wheels, and 3 universal wheels are connected to the bottom of foot stool plate by isosceles triangle.
Further, the lifting gear is lifting cylinder, is additionally provided with to adjust lifting cylinder on the lifting cylinder
The adjusting rod of height.
Compared with prior art, the utility model has technique effect beneficial below:
A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision provided by the utility model, including measuring cylinder, pedestal, porous disc
And locating rod;Porous disc is mounted on the inside of measuring cylinder, and locating rod is vertically mounted on porous disc, then by pre-buried pipe sleeve mounted in fixed
On the bar of position, the verticality of built-in pipe is ensured that in this way, while during banketing and hitting reality, built-in pipe relies on the branch of locating rod
Support also avoids being subjected to displacement hitting real process, improves the accuracy of test.This is simple in structure, and old of manufacture is cheap.
Porous disc is combined with the locating rod of different-diameter, you can realizes the diameter for simulating different concrete tubular piles and spacing
Frozen swell and melt settlement is tested.
Cylinder and idler wheel are installed in the bottom of test device, idler wheel is made to be contacted with ground by the active force of cylinder, simultaneously
Make test device and surface separation, and then mobile test device, mitigate the labor intensity of side experimenter significantly, improve test dress
The mobility put.
Description of the drawings
Fig. 1 is the structure diagram of the utility model device;
Fig. 2 is the structure diagram of the utility model porous disc.
In figure:1- measuring cylinders, 2- pedestals, 3- adjusting rods, 4- pneumatic cylinders, 5- support columns, 6- idler wheels, 7- foot stool plates, 8- are passed
Sensor, 9- sensors are by hole, 10- retainer rings, 11- dial gauges, 12- cryostat devices, 13- locating rods, 14- permeable holes, and 15- is saturating
Water plate.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
The utility model provides a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision.The apparatus structure is simple, easy to operate,
Piles with different spacing and stake diameter can be simulated by being combined using porous disc with different locating rods, while also ensure the vertical of built-in pipe
Degree;The mobile cleaning of earth pillar can be completed by one people of mobile device simultaneously, greatly improve work efficiency.
As shown in Figure 1, a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision, including measuring cylinder 1, pedestal 2, porous disc 15,
Locating rod 13 and mobile device.
Wherein, measuring cylinder 1 is the lucite cylinder of both ends open, and measuring cylinder 1 is vertically mounted on the top surface of pedestal 2, thoroughly
Water plate 15 is cylinder, lies in a horizontal plane in measuring cylinder 1, multiple limbers are provided on porous disc 15, limbers is screw thread
Hole, the lower end of locating rod 13 are provided with the bolt to match with limbers, and locating rod 13 is connected through a screw thread with porous disc 15, together
When ensure that locating rod 13 and porous disc 15 are in plumbness, the internal diameter and the diameter of locating rod 13 of built-in pipe match, pre-buried
Pipe sleeve ensures that built-in pipe is in plumbness in locating rod 13.
As shown in Fig. 2, the ratio of the diameter of built-in pipe and the diameter of PHC concrete tubular piles is 1:12;Multiple locating rod installations
In porous disc 15, the spacing ratio between the spacing of locating rod 13 and PHC concrete tubular piles is 1:12.Locating rod 13 includes a variety of
Different diameters, the bolt of whole locating rod lower ends are consistent, and are matched with the threaded hole of porous disc 15, locating rod 13
The selection of diameter is determined by the diameter of built-in pipe, ensures that pre-buried pipe sleeve dress can keep plumbness on the securing lever;It is i.e. pre-buried
The internal diameter of pipe is bigger 1~0.5mm than the diameter of locating rod;Such as:The internal diameter of built-in pipe is 10mm, a diameter of 9mm of locating rod~
9.5mm。
Mobile device includes pneumatic cylinder 4 and foot stool plate 7 and 3 idler wheels 6, the upper end of pneumatic cylinder 4 are connect with pedestal 2, air pressure
The lower end of cylinder 4 is connect with foot stool plate 7, is provided on pneumatic cylinder 4 and is in for 3,3 idler wheels 6 of adjusting rod for adjusting pneumatic cylinder length
Isosceles triangle is mounted on the bottom of foot stool plate 7.
1 top of measuring cylinder is equipped with retainer ring 10, and retainer ring 10 is connect with pedestal 2 by multiple screw rods consolidates measuring cylinder 1
It is scheduled on pedestal 2;In retainer ring 10 according to angle divide equally be provided with multiple bolts hole, be provided on pedestal 2 in retainer ring 10
The mounting hole that matches of bolt hole, one end of screw rod connect with locating ring 10, and the other end is connect with pedestal 2.The lower end of pedestal 2
Support column 5 is additionally provided with, test device is enable to be stably placed on bottom surface.The top of measuring cylinder 1 is additionally provided with cryostat dress
12 are put, dial gauge 11 is additionally provided with above cryostat device.Through-hole 9 is additionally provided on the side wall of measuring cylinder 1, sensor 8 passes through
Through-hole 9, which is mounted on, measures logical inside.
Idler wheel 6 is universal wheel.Built-in pipe is pvc pipe.
A kind of operation principle of multi-functional earth pillar frozen swell and melt settlement experimental provision provided by the utility model is carried out below detailed
Thin explanation.
Before progress PHC concrete tubular piles disposition is frozen earth roadbed, according between the diameter and pile pile of PHC concrete tubular piles
Spacing, according to 1:12 ratio calculates the spacing between the diameter and built-in pipe of built-in pipe required during experiment, Ran Houxuan
The locating rod to match with built-in pipe is selected, and according to the spacing between the built-in pipe calculated, locating rod is mounted on porous disc
On, then by pre-buried pipe sleeve dress on the securing lever.It is because locating rod by being threadably mounted on porous disc ensure that verticality, i.e., pre-buried
Pipe sleeve dress also ensures verticality on the securing lever;Then reality is hit banket, built-in pipe is also not in displacement;It needs to survey
During examination, locating rod is taken out, you can tested.
When needing to move test device, adjusting rod is pressed, is declined in the active force leftover bits and pieces frame plate of pneumatic cylinder, together
When drive universal wheel decline, universal wheel is made to be contacted with ground, support column and surface separation, you can mobile test device.Especially
When carrying out cleaning device after being completed, need to only shift test device onto between cleaning can clean, and a people can be very
It is difficult the cleaning completed to be easily accomplished former 3 people, greatly alleviates the working strength of tester.
More than content is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within protection domain with novel claims.
Claims (9)
1. a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision, which is characterized in that the measuring cylinder (1) including both ends open, pedestal
(2), porous disc (15), multiple locating rods and built-in pipe;
Wherein, measuring cylinder (1) is vertically set on pedestal (2), and porous disc (15) is horizontally set on the bottom of measuring cylinder (1), fixed
Position bar (13) is vertical and is removably mounted on porous disc (15), and pre-buried pipe sleeve is in locating rod (13).
2. a kind of a kind of multi-functional earth pillar frozen swell and melt settlement of multi-functional earth pillar frozen swell and melt settlement experimental provision is real according to claim 1
Experiment device, which is characterized in that multiple limbers are provided on the porous disc (15), the limbers is threaded hole, described fixed
Position bar (13) is connected through a screw thread with porous disc (15).
3. a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 1, which is characterized in that the built-in pipe
The diameter ratio of diameter and PHC concrete tubular piles is 1:12;Between between spacing and PHC concrete tubular piles between the built-in pipe
Away from than being 1:12.
4. a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 1, which is characterized in that the built-in pipe
Diameter and the diameter of locating rod (13) match, and ensure that pre-buried pipe sleeve is in plumbness in locating rod (13).
5. a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 1, which is characterized in that further include to move
The mobile device of dynamic test device, the mobile device are arranged on the bottom of pedestal (2).
A kind of 6. multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 5, which is characterized in that the mobile device
Including lifting gear and idler wheel (6);The upper end of the lifting gear is connect with the bottom surface of pedestal (2), the lower end of lifting gear with
Idler wheel (6) connects.
7. a kind of multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 6, which is characterized in that further include foot stool plate
(7);The top surface of the foot stool plate (7) and the lower end of lifting gear connect, and the idler wheel (6) is arranged on the bottom surface of foot stool plate (7).
A kind of 8. multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 7, which is characterized in that the idler wheel (6)
For 3 universal wheels, 3 universal wheels are connected to the bottom of foot stool plate (7) by isosceles triangle.
A kind of 9. multi-functional earth pillar frozen swell and melt settlement experimental provision according to claim 6, which is characterized in that the lifting gear
For lifting cylinder (4), the adjusting rod (3) for adjusting lifting cylinder height is additionally provided on the lifting cylinder (4).
Priority Applications (1)
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CN201721818738.4U CN207571132U (en) | 2017-12-22 | 2017-12-22 | A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision |
Applications Claiming Priority (1)
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CN201721818738.4U CN207571132U (en) | 2017-12-22 | 2017-12-22 | A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision |
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CN207571132U true CN207571132U (en) | 2018-07-03 |
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CN201721818738.4U Expired - Fee Related CN207571132U (en) | 2017-12-22 | 2017-12-22 | A kind of multi-functional earth pillar frozen swell and melt settlement experimental provision |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110907488A (en) * | 2019-12-27 | 2020-03-24 | 哈尔滨工业大学 | Concrete freezing degree detection device and detection method thereof |
CN112710808A (en) * | 2020-12-17 | 2021-04-27 | 中国矿业大学 | Soil column test device and method for determining effective thickness of sewage protection layer |
-
2017
- 2017-12-22 CN CN201721818738.4U patent/CN207571132U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110907488A (en) * | 2019-12-27 | 2020-03-24 | 哈尔滨工业大学 | Concrete freezing degree detection device and detection method thereof |
CN110907488B (en) * | 2019-12-27 | 2024-05-31 | 哈尔滨工业大学 | Concrete freezing degree detection device and detection method thereof |
CN112710808A (en) * | 2020-12-17 | 2021-04-27 | 中国矿业大学 | Soil column test device and method for determining effective thickness of sewage protection layer |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20181222 |