CN203772860U - Heavy compaction test apparatus - Google Patents
Heavy compaction test apparatus Download PDFInfo
- Publication number
- CN203772860U CN203772860U CN201420168801.4U CN201420168801U CN203772860U CN 203772860 U CN203772860 U CN 203772860U CN 201420168801 U CN201420168801 U CN 201420168801U CN 203772860 U CN203772860 U CN 203772860U
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- control system
- slide block
- compaction
- test apparatus
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- Withdrawn - After Issue
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Abstract
The utility model discloses a heavy compaction test apparatus, relating to a soil test instrument. The heavy compaction test apparatus comprises a base, a rotary platform, a guide column, a hydraulic cylinder I and a control system, wherein the rotary platform, the guide column, the hydraulic cylinder I and the control system are arranged on the base, a test mould cylinder is arranged on the rotary platform, the guide column is vertically arranged on one side of the rotary platform, a sliding block is arranged on the guide column in a sliding manner, a locating block fixed on the guide column is arranged above the sliding block, a pressure sensor is arranged at the bottom of the locating block, one side of the sliding block is connected with the lifting end of the hydraulic cylinder I used for driving the sliding block to move up and down through a pin, a suspension arm used for clamping and releasing a compaction hammer is arranged at the other side of the sliding block, a signal detection device and a signal detection region which are matched are respectively arranged at corresponding parts of the clamping device of the suspension arm and the compaction hammer, the pressure sensor and the signal detection device are connected with the control system, and the control system controls flexibility of a hydraulic cylinder II and a hydraulic cylinder I. The heavy compaction test apparatus is capable of enabling each setting distance of the compaction hammer to be equal and uniform in hammering of a test sample, and is improved in test precision.
Description
Technical field
The utility model relates to a kind of earthwork test Instrument, is specially a kind of heavy compaction test apparatus.
Background technology
Compaction test apparatus is the instrumentation for ground fill constructions such as hydraulic engineering dam, highway, railway, Civil Aviation Airport and municipal works, covil construction.Hit and under real merit effect, measure the relation between native water cut and dry density in standard, thereby determine the optimum moisture content and corresponding maximum dry density of soil sample.
Indoor Impaction Test process is: divide three or two layers to put into and hit real die trial cylinder on the sample of a certain water cut, often putting one deck compaction hammer hits and causes and necessarily hit number, the real merit of hitting that every one deck soil is done is fall distance and cycle three's product of hammer body weight, hammer body, soil layer layering is hit real to full cylinder, mensuration is hit water cut and the wet density of real rear soil, calculates dry density.Use the same method the native sample compacting of more than five different moisture content, water cut and dry density after each soil sample all can obtain hitting in fact.Taking water cut as horizontal ordinate, dry density is that ordinate is drawn these data points, and the curve that connection each point is drawn is the curve that can reflect soil tamp characteristic, is called tamping curve.Existing compaction test apparatus is driven compaction hammer to promote and declined by chain-drive mechanism, and in compaction test, falling of hammer body accurately controls apart from difficult, and hammer body is inhomogeneous to sample hammering, the precision of impact test.
Utility model content
The purpose of this utility model is just to provide a kind of heavy compaction test apparatus, falls apart from wayward to solve existing compaction test apparatus hammer body, and the problem that hammer body is inhomogeneous to sample hammering.
To achieve these goals, the technical solution of the utility model is: a kind of heavy compaction test apparatus, comprise base, be arranged on the universal stage on base, guide pillar, hydraulic cylinder I and control system, on universal stage, be provided with die trial cylinder, universal stage is connected with its driving mechanism that does intermittent rotary motion in surface level that can drive that is arranged on base inside, described guide pillar is vertically arranged on a side of universal stage, on guide pillar, slide and be provided with a slide block, above slide block, be provided with a locating piece being fixed on guide pillar, the bottom of locating piece is provided with pressure transducer, one side of described slide block by pin be connected for the lift side that drives its hydraulic cylinder I moving up and down, the opposite side of slide block is provided with a cantilever, described cantilever is made up of the fixed arm being slidably matched and travelling arm, one end of described fixed arm is fixedly connected with slide block, the both sides of the other end are equipped with chute, described travelling arm comprises that a clamping part and two are arranged on the connecting portion of clamping part both sides, two connecting portions coordinate with the chute of fixed arm both sides respectively, described travelling arm is connected with slide block by hydraulic cylinder II, and can under the drive of hydraulic cylinder II, on fixed arm, slide, on the opposite face of clamping part and fixed arm, be respectively equipped with the groove for clamping compaction hammer, in described groove, be respectively equipped with the corresponding site of compaction hammer the signal supervisory instrument and the input district that match, described pressure transducer is connected with control system with signal supervisory instrument, control system is flexible according to the signal controlling hydraulic cylinder II receiving and hydraulic cylinder I.
The inwall of described die trial cylinder is provided with the scale mark for the mark sample number of plies.
Beneficial effect: the utility model can be realized the accurate clamping to compaction hammer, realizes the accurate control of compaction hammer hoisting depth by locating piece, finally make at every turn falling apart from all identical of compaction hammer, even to the hammering of sample, improves the precision of test.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the plan structure schematic diagram of cantilever of the present utility model.
In figure, be labeled as: 1, base, 2, universal stage, 3, guide pillar, 4, hydraulic cylinder I, 5, die trial cylinder, 6, slide block, 7, locating piece, 8, cantilever, 9, hydraulic cylinder II, 10, groove, 11, compaction hammer, 12, fixed arm, 13, travelling arm, 14, clamping part, 15, connecting portion.
Embodiment
As depicted in figs. 1 and 2, a kind of heavy compaction test apparatus, comprise base 1, be arranged on the universal stage 2 on base 1, guide pillar 3, hydraulic cylinder I 4 and control system, on universal stage 2, be provided with die trial cylinder 5, universal stage 2 is connected with its driving mechanism that does intermittent rotary motion in surface level that can drive that is arranged on base 1 inside, described guide pillar 3 is vertically arranged on a side of universal stage 2, on guide pillar 3, slide and be provided with a slide block 6, above slide block 6, be provided with a locating piece 7 being fixed on guide pillar 3, the bottom of locating piece 7 is provided with pressure transducer, one side of described slide block 6 by pin be connected for the lift side that drives its hydraulic cylinder I 4 moving up and down, the opposite side of slide block 6 is provided with a cantilever 8, described cantilever 8 is made up of the fixed arm 12 being slidably matched and travelling arm 13, one end of described fixed arm 12 is fixedly connected with slide block 6, the both sides of the other end are equipped with chute, described travelling arm 13 comprises that a clamping part 14 and two are arranged on the connecting portion 15 of clamping part 14 both sides, two connecting portions 15 coordinate with the chute of fixed arm 12 both sides respectively, described travelling arm 13 is connected with slide block 6 by hydraulic cylinder II 9, and can under the drive of hydraulic cylinder II 9, on fixed arm 12, slide, on the opposite face of clamping part 14 and fixed arm 12, be respectively equipped with the groove 10 for clamping compaction hammer 11, in described groove 10, be respectively equipped with the corresponding site of compaction hammer 11 signal supervisory instrument and the input district that match, described pressure transducer is connected with control system with signal supervisory instrument, control system is flexible according to the signal controlling hydraulic cylinder II 9 receiving and hydraulic cylinder I 4.As seen from Figure 2, clamping part 14 face relative with fixed arm 12 of travelling arm 13 be equipped with 10, two grooves 10 of a groove cooperatively interact for clamping and discharge compaction hammer 11.
In the time that slide block 6 moves upward to the position of locating piece 7, the pressure transducer of locating piece 7 bottoms sends signal to control system, control system receives after the signal that pressure transducer sends, the lift side of controlling hydraulic cylinder I 4 stops upward movement, afterwards, control system control hydraulic cylinder II 9 stretches, and drives travelling arm 13 to slide on fixed arm 12, clamping part 14 and two grooves 10 on fixed arm 12 opposite faces are separated, compaction hammer 11 free-fallings.Then, signal supervisory instrument in groove 10 sends signal to control system, control system control hydraulic cylinder I 4 is done descending motion, when signal supervisory instrument in groove 10 is followed the trail of to position, input district on compaction hammer 11, control system control hydraulic cylinder I 4 stops doing descending motion, then, control system control hydraulic cylinder II 9 is shunk, groove 10 clamps compaction hammer 11, afterwards, signal supervisory instrument sends signal to control system, and control system control hydraulic cylinder I 4 is done upward movement, starts next round circulation.
The inwall of described die trial cylinder 5 is provided with the scale mark for the mark sample number of plies, and for the accurate layering of sample, the convenient control to sample loadings, reduces sample error.For Ф 152mm × 166mm type die trial cylinder, apart from 50mm place, 100mm place and the 150mm place of die trial cylinder bottom, 3 scale marks are being set respectively.For Ф 152mm × 116mm type die trial cylinder, apart from 50mm place and the 100mm place of die trial cylinder bottom, 2 scale marks are being set respectively.
Claims (2)
1. a heavy compaction test apparatus, it is characterized in that: comprise base (1), be arranged on the universal stage (2) on base (1), guide pillar (3), hydraulic cylinder I (4) and control system, on universal stage (2), be provided with die trial cylinder (5), universal stage (2) can drive its driving mechanism of surface level in doing intermittent rotary motion inner with being arranged on base (1) is connected, described guide pillar (3) is vertically arranged on a side of universal stage (2), be provided with a slide block (6) upper slip of guide pillar (3), be provided with a locating piece (7) being fixed on guide pillar (3) in slide block (6) top, the bottom of locating piece (7) is provided with pressure transducer, one side of described slide block (6) by pin be connected for the lift side that drives its hydraulic cylinder I (4) moving up and down, the opposite side of slide block (6) is provided with a cantilever (8), described cantilever (8) is made up of the fixed arm being slidably matched (12) and travelling arm (13), one end of described fixed arm (12) is fixedly connected with slide block (6), the both sides of the other end are equipped with chute, described travelling arm (13) comprises that a clamping part (14) and two are arranged on the connecting portion (15) of clamping part (14) both sides, two connecting portions (15) coordinate with the chute of fixed arm (12) both sides respectively, described travelling arm (13) is connected with slide block (6) by hydraulic cylinder II (9), and can be in the upper slip of fixed arm (12) under the drive of hydraulic cylinder II (9), on the opposite face of clamping part (14) and fixed arm (12), be respectively equipped with the groove (10) for clamping compaction hammer (11), described groove (10) corresponding site interior and compaction hammer (11) is respectively equipped with the signal supervisory instrument and the input district that match, described pressure transducer is connected with control system with signal supervisory instrument, control system is flexible according to the signal controlling hydraulic cylinder II (9) receiving and hydraulic cylinder I (4).
2. the heavy compaction test apparatus of one as claimed in claim 1, is characterized in that: the inwall of described die trial cylinder (5) is provided with the scale mark for the mark sample number of plies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168801.4U CN203772860U (en) | 2014-04-09 | 2014-04-09 | Heavy compaction test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168801.4U CN203772860U (en) | 2014-04-09 | 2014-04-09 | Heavy compaction test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772860U true CN203772860U (en) | 2014-08-13 |
Family
ID=51290038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420168801.4U Withdrawn - After Issue CN203772860U (en) | 2014-04-09 | 2014-04-09 | Heavy compaction test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969420A (en) * | 2014-04-09 | 2014-08-06 | 洛阳理工学院 | Heavy-duty compaction device |
| CN112629965A (en) * | 2020-11-27 | 2021-04-09 | 东北林业大学 | Remolded sample preparation instrument for medium-sized coarse-grained soil shearing instrument and method thereof |
-
2014
- 2014-04-09 CN CN201420168801.4U patent/CN203772860U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969420A (en) * | 2014-04-09 | 2014-08-06 | 洛阳理工学院 | Heavy-duty compaction device |
| CN112629965A (en) * | 2020-11-27 | 2021-04-09 | 东北林业大学 | Remolded sample preparation instrument for medium-sized coarse-grained soil shearing instrument and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |