CN216948187U - Base plate for sand filling method test - Google Patents
Base plate for sand filling method test Download PDFInfo
- Publication number
- CN216948187U CN216948187U CN202122763943.8U CN202122763943U CN216948187U CN 216948187 U CN216948187 U CN 216948187U CN 202122763943 U CN202122763943 U CN 202122763943U CN 216948187 U CN216948187 U CN 216948187U
- Authority
- CN
- China
- Prior art keywords
- base plate
- substrate
- sand
- pull rod
- roller shutter
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000004576 sand Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 230000008093 supporting effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a base plate for a sand filling method test, which comprises a base plate main body, a spring roller shutter and a positioning device. A through hole with the diameter of 150mm is formed in the center of the base plate, and telescopic rods are arranged at the four top corners of the base plate; the spring roller shutter is arranged on the outer side of the substrate and consists of a scroll, a roller shutter and a pull rod; the positioning device is arranged at three vertex angles of the substrate and comprises a limiting block, a positioning nail and a push-pull rod, and the positioning nail can be separated from the limiting block by sliding the push-pull rod during use. The utility model discloses a convenient to carry, positioner are fixed in ground with the base plate, and can make the certain angle of base plate lateral rotation through the cooperation of spring with the push rod to the location nail is difficult to the alignment problem with the stopper when solving vertical placing once more behind the lifting base plate, and the setting of book curtain can prevent that the pilot hole chisel from digging in-process soil particle and splashing and losing, improves experimental accuracy nature.
Description
Technical Field
The utility model relates to the technical field of test detection, in particular to a substrate for a sand filling method test.
Background
By the end of 2020, the total mileage of the expressway with vehicles already communicated in China reaches 16 kilometers and is the first place in the world. In the construction process of the highway, the filling and compaction of the roadbed directly determine the engineering quality and the road bearing capacity, the roadbed compaction degree is a necessary inspection item after the roadbed is compacted, and whether the roadbed compaction meets the requirement or not is evaluated by detecting the roadbed compaction degree so as to further guide the site construction. The existing detection method is provided with a ring cutter method, a sand filling method and the like, the sand filling method is usually adopted when the roadbed compactness is detected on a construction site, and the principle of the sand filling method is to replace a soil sample in an excavated test pit by standard sand with known density so as to obtain the volume of the test pit. Firstly, digging a cylindrical pit slot with the diameter of 150mm on a roadbed, then using standard sand with known density to fill the pit, and recording the mass of the used standard sand, thereby calculating the volume of the cylindrical pit.
The method comprises the steps of measuring the gap between the top surface of a compacted layer and a substrate and the quality of sand consumed by the thickness of a through hole of the substrate, removing the substrate, cleaning the sand remained on the ground, placing the substrate back to the original position again, and digging a test hole along the through hole of the substrate.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the base plate for the sand filling method test, which is convenient to carry and simple to operate and can improve the test accuracy.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows.
A base plate for a sand-filling method test comprises a base plate main body, a spring roller shutter and a positioning device. A through hole with the diameter of 150mm is formed in the center of the base plate, a limiting ring is arranged on the periphery of the through hole, the sand filling cylinder is conveniently positioned, and telescopic rods are arranged at the four top corners of the base plate; the spring roller shutter is arranged on the outer side of the base plate and consists of a scroll, a roller shutter and a pull rod, the roller shutter can be opened by applying vertical force to the pull rod, and the roller shutter is lapped with the telescopic rod to realize supporting and fixing; the positioning devices are respectively arranged at A, B, C three vertex angles of the substrate and comprise a limiting block, a positioning nail and a push-pull rod, and the positioning nail can be separated from the limiting block by sliding the push-pull rod when the positioning device is used.
The utility model has the advantages.
The base plate is fixed on the ground through the limiting block and the positioning nails, and the positioning nails can be separated from the side faces of the limiting block through the matching of the push-pull rod and the spring, so that the base plate is rotated by a certain angle, and the residual sand on the ground is cleaned.
Through setting up the spring book curtain, can prevent when the test pit excavates that the soil granule from splashing and causing soil sample quality loss, roll up the curtain in addition and still play and prevent wind the effect, prevent that soil sample from air-drying.
The limiting ring is arranged inside the substrate, so that the center of the sand filling cylinder and the center of the test pit are positioned on a plumb line, a positioning effect is achieved, in addition, the surface of the limiting ring is smooth, and dead angles cannot appear when soil particles are collected.
The roller shutter, the telescopic rod and the base plate are arranged integrally, and the carrying is convenient.
Drawings
Fig. 1 is an overall view of a substrate.
Fig. 2 is a schematic view of the base plate of the spring roller shutter in an open state.
Fig. 3 is a schematic diagram of the working state of the sand-filling detection device.
Fig. 4 is an enlarged top view of the telescoping pole.
Fig. 5 is a schematic view of a spring roller blind.
Fig. 6 is a view showing the structure of the positioning pin.
Fig. 7 is a top view of the substrate rotated by a certain angle around the positioning pin at the top angle a.
Wherein, 1, a substrate; 2. a limiting ring; 3. a through hole; 4. a telescopic rod; 5. a reel; 6. rolling a curtain; 7. a pull rod; 8. a limiting block; 9. a push-pull rod; 10. positioning nails; 11. a spring; 12. filling a sand cylinder; 13. a switch; 14. a wing plate.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings.
A basic structure of a base plate for a sand filling method test.
As shown in attached figure 1, the base plate for the sand filling method test comprises a base plate 1, an expansion link 4, a scroll 5 and a limiting block 8. A through hole 3 with the diameter of 150mm is arranged in the center of the base plate 1, a limiting ring 2 is arranged on the periphery of the through hole, and the diameter of the limiting ring is slightly larger than that of the sand filling cylinder wing plate 14; the roller 5 is arranged on three sides of the base plate, and the roller shutter 6 can be opened by upwards moving the pull rod 7; the telescopic rods 4 are arranged at four top corners of the base plate 1, and the telescopic rods 4 can provide a supporting effect for the roller shutters 6 after being lifted; the limiting blocks 8 are arranged at A, B, C vertex angles of the substrate 1, springs 11 are arranged inside the limiting blocks 8, and the push-pull rod 9 can complete separation of the positioning nails 10 after compressing the springs 11.
And a method for using the substrate for the sand-filling method test.
1. An operator selects an area to be measured to clean up the surface floating soil, places the substrate 1 in the area, and fixes the substrate on the ground by the positioning nails 10.
2. Aligning a wing plate 14 of the sand filling cylinder with the limiting ring 8 in the base plate and placing the sand filling cylinder in the base plate, poking the sand filling cylinder switch 13 by hand to enable the measured sand to naturally flow down, closing the switch 13 after the measured sand in the cylinder is static, and taking away the sand filling cylinder.
3. Subsequently, the push-pull rod 9 at the top corner B, C of the base plate is pushed to compress the inner spring 11, and at the same time, a counterclockwise rotating force is applied to the base plate, so that the positioning pin 10 at B, C is disengaged from the limit block 8.
4. The base plate 1 is rotated counterclockwise around the positioning pin at the top corner a by a certain angle to expose the sand on the ground (as shown in fig. 7), and the positioning pin at the top corner B, C is left in the ground.
5. After the sand measuring device is cleaned, the substrate 1 is rotated clockwise, and when the positioning pins 10 at the top corners of B, C are embedded in the limiting blocks 8, the substrate 1 is restored to the original position.
6. The four telescopic rods 4 are respectively lifted, then the roller shutters 6 on the three sides of the base plate 1 are vertically and upwards pulled up, the pull rod 7 and the telescopic rods 4 are in lap joint and fixed, and at the moment, the base plate is surrounded and blocked on three sides (as shown in the attached drawing 2).
7. Then, the test pit is dug, the rolling curtain 6 can avoid the soil sample from flying out of the base plate to cause the quality loss of the soil sample, and the rolling curtain 6 also plays a role in preventing the air drying of the soil sample.
Claims (5)
1. The utility model provides a base plate that experimental usefulness of sand-filling method which characterized in that: the spring roller shutter is composed of a substrate main body, a spring roller shutter and a positioning device, wherein a through hole with the diameter of 150mm is formed in the center of the substrate, and telescopic rods are arranged at the four top corners of the substrate; the spring roller shutter is arranged on the outer side surface of the substrate and consists of a scroll, a roller shutter and a pull rod; the positioning device is arranged at three vertex angles of the substrate and comprises a limiting block, a positioning nail and a push-pull rod, and the positioning nail can be separated from the limiting block by sliding the push-pull rod during use.
2. The substrate for sand-filling test according to claim 1, wherein: the spring roller shutters are arranged on three outer side surfaces of the base plate, and the roller shutters can be in an open state by applying vertical upward force to the pull rods.
3. The substrate for sand-filling test according to claim 1, wherein: the telescopic link can be lifted vertically upwards, a groove is formed in the top of the telescopic link, and the spring roller shutters can be lapped on the groove to play a role in fixing and supporting.
4. The substrate for sand-filling test according to claim 1, wherein: the positioning device is arranged at A, B, C three vertex angles of the base plate, the limiting block is internally provided with a spring, and the positioning nail is separated by matching with the push-pull rod.
5. The substrate for sand-filling test according to claim 1, wherein: and a limiting ring is arranged in the substrate and used for limiting the position of a wing plate of the sand filling cylinder and ensuring that the sand outlet and the center of the test pit are positioned on the same plumb line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122763943.8U CN216948187U (en) | 2021-11-12 | 2021-11-12 | Base plate for sand filling method test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122763943.8U CN216948187U (en) | 2021-11-12 | 2021-11-12 | Base plate for sand filling method test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216948187U true CN216948187U (en) | 2022-07-12 |
Family
ID=82304518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122763943.8U Expired - Fee Related CN216948187U (en) | 2021-11-12 | 2021-11-12 | Base plate for sand filling method test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216948187U (en) |
-
2021
- 2021-11-12 CN CN202122763943.8U patent/CN216948187U/en not_active Expired - Fee Related
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Legal Events
| 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: 20220712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |