CN203881757U - Demoulding positioning device for soil compaction test - Google Patents
Demoulding positioning device for soil compaction test Download PDFInfo
- Publication number
- CN203881757U CN203881757U CN201420202951.2U CN201420202951U CN203881757U CN 203881757 U CN203881757 U CN 203881757U CN 201420202951 U CN201420202951 U CN 201420202951U CN 203881757 U CN203881757 U CN 203881757U
- Authority
- CN
- China
- Prior art keywords
- compaction cylinder
- positioning
- cylinder
- demoulding
- backing plate
- 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 - Lifetime
Links
- 238000005056 compaction Methods 0.000 title claims abstract description 55
- 239000002689 soil Substances 0.000 title claims abstract description 36
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a demoulding positioning device for a soil compaction test, and belongs to a construction test device. The demoulding positioning device is characterized by further comprising a positioning subplate and a positioning cylinder, wherein the positioning subplate is discoidal; the external diameter of the positioning subplate is in clearance fit with the internal diameter of a compaction cylinder; a central blind hole is formed in the bottom of the positioning subplate; the central blind hole is in clearance fit with a top end segment of a benched piston rod, with the small diameter; the positioning subplate sleeves and is supported on the piston rod; the positioning cylinder is cylindrical; the internal diameter of the positioning cylinder is in clearance fit with the external diameter of the compaction cylinder; the positioning cylinder correspondingly sleeves on the compaction cylinder. When the demoulding positioning device is used, the compaction cylinder is positioned and protected by the positioning cylinder, so that the vibration during the demoulding is avoided, and thus a sample soil layer can be smoothly demoulded from the compaction cylinder. Therefore, the demoulding positioning device has strong practicability and the service life of the compaction cylinder is prolonged.
Description
Technical field
The utility model belongs to architectural experiment device, especially relates to a kind of experimental provision that hits real soil.
Background technology
In engineering construction, often can run into the problems such as the strong rammer of fill compaction, soft foundation and soil removal and replacement roll, reasonably debulking methods is real by soil pressure, improves in a short time native intensity, reaches the object of the engineering properties of improving soil layer; Soil layer to hit real experiment be exactly for this object, first utilize standardized ramming device tool that sample soil layer is hit to reality, then with stripper by sample soil layer release compaction cylinder.But in the time using stripper that sample soil layer is released to compaction cylinder, because backing plate is unreasonable with coordinating of compaction cylinder, conventionally need experimenter after backing plate righting, could test, tend to occur the situation because not having righting backing plate that compaction cylinder is damaged.
Summary of the invention
The purpose of this utility model is to propose a kind of experiment demoulding locating device that hits real soil
, not onlysimple structure, safe and reliable, practical, and effectively solve the orientation problem of backing plate, improve the serviceable life of compaction cylinder.
The purpose of this utility model is achieved like this: a kind of experiment demoulding locating device (being called for short demoulding locating device) that hits real soil, comprise stripper and compaction cylinder, this stripper is mainly by support, hydraulic oil top, crossbeam and column composition, centered by the longitudinal center line of the piston rod pushing up by hydraulic oil, fixedly mount respectively symmetrically left-right and front-back four root posts on support, on front-seat and rear row's left and right pillar, fixedly mount respectively crossbeam, on rear cross beam, fixedly mounting the compaction cylinder of upper end section with flange before this, and make the longitudinal center line of compaction cylinder consistent with the longitudinal center line of the piston rod on hydraulic oil top, this compaction cylinder is cylindrical, in this compaction cylinder with being hit real experiment soil layer (being sample soil layer), it is characterized in that: this experiment demoulding locating device that hits real soil also comprises location backing plate and positioning tube, described location backing plate is disc, and the described overall diameter of location backing plate and the interior diameter of compaction cylinder are clearance fit, the top section of offering the minor diameter of the interior diameter of central blind hole and this central blind hole and the piston rod of step in the bottom of described location backing plate is clearance fit, locating pad sleeve-board is filled and is bearing on piston rod, described positioning tube is cylindrical, and the interior diameter of positioning tube and the overall diameter of compaction cylinder are clearance fit, described positioning tube correspondence is sleeved on compaction cylinder.
When use, first the compaction cylinder that sample soil layer is housed is fixedly mounted on the front and back crossbeam of stripper, secondly locating pad sleeve-board is filled and is bearing on piston rod, positioning tube is enclosed within on location backing plate and compaction cylinder, then jacking piston rod, drive the up and pushing tow sample soil layer of location backing plate, carry out the demoulding of sample soil layer, location backing plate and compaction cylinder are all in positioning tube like this, do not need experimenter's righting, the effect of positioning tube is to locate compaction cylinder and protection compaction cylinder, while preventing the demoulding, vibrate, just can smoothly sample soil layer be deviate from compaction cylinder, practical, improve the serviceable life of compaction cylinder.
What the utility model proposed hits real native experiment demoulding locating device, not only simple structure, safe and reliable, practical, and effectively solved because of backing plate position be difficult to location cause compaction cylinder damage phenomenon, the serviceable life of having improved compaction cylinder.
The experiment demoulding locating device that hits real soil now in conjunction with the accompanying drawings and embodiments the utility model being proposed is described further.
brief description of the drawings
Master when the experiment demoulding locating device that hits real soil that Fig. 1 proposes for the utility model uses looks schematic diagram (band partial cutaway).
In Fig. 1: 1, location backing plate 2, central blind hole 3, piston rod 4, top section 5, compaction cylinder 6, crossbeam 7, column 8, positioning tube.
Embodiment
As can be seen from Figure 1: a kind of experiment demoulding locating device (being called for short demoulding locating device) that hits real soil, comprise stripper and compaction cylinder 5, this stripper is mainly by support, hydraulic oil top, crossbeam 6 and column 7 form, centered by the longitudinal center line of the piston rod 3 pushing up by hydraulic oil, fixedly mount respectively symmetrically left-right and front-back four root posts 7 on support, on front-seat and rear row's left and right pillar, fixedly mount respectively crossbeam 6, on rear cross beam, fixedly mounting the compaction cylinder 5 of upper end section with flange before this, and make the longitudinal center line of compaction cylinder 5 consistent with the longitudinal center line of the piston rod 3 on hydraulic oil top, this compaction cylinder 5 is cylindrical, in this compaction cylinder 5 with being hit real experiment soil layer (being sample soil layer), it is characterized in that: this experiment demoulding locating device that hits real soil also comprises location backing plate 1 and positioning tube 8, described location backing plate 1 is disc, and the overall diameter of described location backing plate 1 and the interior diameter of compaction cylinder 5 are clearance fit, the top section 4 of offering the minor diameter of central blind hole 2 and the interior diameter of this central blind hole 2 and the piston rod of step 3 in the bottom of described location backing plate 1 is clearance fit, location backing plate 1 is set with and is bearing on piston rod 3, described positioning tube 8 is cylindrical, and the overall diameter of the interior diameter of positioning tube 8 and compaction cylinder 5 is clearance fit, described positioning tube 8 correspondences are sleeved on compaction cylinder 5.
When use, first by being housed, the compaction cylinder 5 that hits real soil layer (being sample soil layer) is fixedly mounted on the front and back crossbeam of stripper, secondly location backing plate 1 is set with and is bearing on piston rod 3, positioning tube 8 is enclosed within on location backing plate 1 and compaction cylinder 5, then jacking piston rod 3, drive the up and pushing tow sample soil layer of location backing plate 1, carry out the demoulding of sample soil layer, location backing plate 1 and compaction cylinder 5 are all in positioning tube 8 like this, do not need experimenter's righting, the effect of positioning tube 8 is to locate compaction cylinder 5 and protection compaction cylinder 5, while preventing the demoulding, vibrate, just can smoothly sample soil layer be deviate from compaction cylinder 5, practical, improve the serviceable life of compaction cylinder 5.
Claims (1)
1. one kind is hit the experiment demoulding locating device of real soil, comprise stripper and compaction cylinder (5), this stripper is mainly by support, hydraulic oil top, crossbeam (6) and column (7) composition, centered by the longitudinal center line of the piston rod (3) pushing up by hydraulic oil, fixedly mount respectively symmetrically left-right and front-back four root posts (7) on support, on front-seat and rear row's left and right pillar, fixedly mount respectively crossbeam (6), on rear cross beam, fixedly mounting the compaction cylinder (5) of upper end section with flange before this, and make the longitudinal center line of compaction cylinder (5) consistent with the longitudinal center line of the piston rod (3) on hydraulic oil top, this compaction cylinder (5) is cylindrical, in this compaction cylinder (5), be sample soil layer with hitting real experiment soil layer, it is characterized in that: this experiment demoulding locating device that hits real soil also comprises location backing plate (1) and positioning tube (8), described location backing plate (1) is disc, and the overall diameter of described location backing plate (1) and the interior diameter of compaction cylinder (5) are clearance fit, offer central blind hole (2) in the bottom of described location backing plate (1), and the top section (4) of the minor diameter of the piston rod (3) of the interior diameter of this central blind hole (2) and step is clearance fit, to locate backing plate (1) is set with and is bearing on piston rod (3), described positioning tube (8) is cylindrical, and the overall diameter of the interior diameter of positioning tube (8) and compaction cylinder (5) is clearance fit, described positioning tube (8) correspondence is sleeved on compaction cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202951.2U CN203881757U (en) | 2014-04-24 | 2014-04-24 | Demoulding positioning device for soil compaction test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202951.2U CN203881757U (en) | 2014-04-24 | 2014-04-24 | Demoulding positioning device for soil compaction test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881757U true CN203881757U (en) | 2014-10-15 |
Family
ID=51682243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202951.2U Expired - Lifetime CN203881757U (en) | 2014-04-24 | 2014-04-24 | Demoulding positioning device for soil compaction test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881757U (en) |
-
2014
- 2014-04-24 CN CN201420202951.2U patent/CN203881757U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |
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| CX01 | Expiry of patent term |