CN201794075U - Pile press pressure stabilizer of hydraulic pressure retaining system - Google Patents
Pile press pressure stabilizer of hydraulic pressure retaining system Download PDFInfo
- Publication number
- CN201794075U CN201794075U CN2010202802019U CN201020280201U CN201794075U CN 201794075 U CN201794075 U CN 201794075U CN 2010202802019 U CN2010202802019 U CN 2010202802019U CN 201020280201 U CN201020280201 U CN 201020280201U CN 201794075 U CN201794075 U CN 201794075U
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- China
- Prior art keywords
- pressure
- cylinder
- repairing
- pile press
- retaining system
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- Expired - Fee Related
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a pile press pressure stabilizer of a hydraulic pressure retaining system. The pressure stabilizer comprises a pile pressing cylinder, a main oil way and a recharging oil way, wherein the main oil way comprises a main pump exerting oil pressure on the pile pressing cylinder; the recharging oil way comprises a recharging oil cylinder, a weight and a multipass control valve; and the weight is fixedly installed below the recharging oil cylinder, and the recharging oil cylinder is communicated with the pile pressing cylinder to form a complete oil way. The pressure stabilizer is simple in structure, and convenient in implementation. When using the system, the existing pile press can be adopted to inspect a pile, thus greatly improving inspection efficiency.
Description
Technical field
The utility model discloses a kind of stable-pressure device, particularly a kind of hydraulic pressure pressure-retaining system pile press stable-pressure device.
Background technology
In pile foundation engineering, in order to check the supporting capacity that is pressed into the preformed pile in the soil layer, need pile is applied a constant load, after certain hour, if after the change in depth on the relative ground of pile did not exceed test request, it was qualified to be considered as.Traditional mode of testing is with pile press preformed pile to be pressed in the soil layer to certain depth earlier, removes pile press, and then apply a constant weight on pile, has or not sinking through inspection pile behind the certain hour.If every all check in this way of pile, workload is very huge, so can only test in the mode of sampling observation in actual pile foundation engineering, the coverage scale of sampling observation has only about 3%.If full inspection of implementation and simple and effective way are, after finishing piling, directly utilize the ballast of pile press itself to check, but all there is leakage problem under strong pressure in the hydraulic system of all pile presss at present, add the temperature effect that is subjected to environment and itself produces, can't guarantee constant compression force for a long time, also just can't guarantee to test a result accuracy.
Summary of the invention
There is leakage at the above-mentioned pile press of mentioning of the prior art, can't guarantee to test the shortcoming of a result accuracy, the utility model provides a kind of stable-pressure device of testing, it is by weight traction repairing cylinder, utilize the repairing cylinder constantly the oil of pile press internal leakage to be replenished, to guarantee the constant pressure in the pile press.
The technical scheme that its technical problem of solving the utility model adopts is: a kind of hydraulic pressure pressure-retaining system pile press stable-pressure device, and stable-pressure device comprises piling cylinder, working connection and repairing oil circuit, working connection comprises that main pump applies oil pressure for the piling cylinder; The repairing oil circuit comprises repairing cylinder, weight and multi-way control valve, and weight is fixedly mounted on repairing cylinder below, and the repairing cylinder is communicated with the piling cylinder, forms complete oil circuit.
The technical scheme that its technical problem that solves the utility model adopts further comprises:
Also be connected with slippage pump on the described multi-way control valve, slippage pump is given piling cylinder and repairing oil supply cylinder by multi-way control valve.
Described multi-way control valve and slippage pump directly are equipped with one way valve.
Between described main pump and repairing oil circuit and the piling cylinder stop valve is installed.
Between described main pump and the stop valve one way valve is installed.
Between described multi-way control valve and piling cylinder and the stop valve one way valve is installed.
On the described repairing oil circuit pressure meter is installed.
The beneficial effects of the utility model are: the utility model is simple in structure, realization is convenient, utilizes the utility model system can adopt existing pile press that pile is tested, and can improve checkability greatly.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the utility model structural principle schematic diagram.
Among the figure, 1-piling cylinder, 2-main pump, 3-multi-way control valve, 4-slippage pump, 5-repairing cylinder, 6-counterweight, 7-pressure meter, 8-stop valve, 9-first one way valve, 10-second one way valve, 11-the 3rd one way valve.
The specific embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection domain.
Please referring to accompanying drawing 1, the utility model mainly comprises piling cylinder 1, working connection and repairing oil circuit.In the present embodiment, working connection is a main pump 2, main pump 2 is communicated with piling cylinder 1, initial pressure is provided for piling cylinder 1, be connected with one first one way valve 9 between main pump 2 and the piling cylinder 1, prevent that the oil that main pump 2 is discharged is back in the main pump 2, also be connected with a stop valve 8 between first one way valve 9 and the piling cylinder 1, be used to control the quantity of the oil that main pump 2 discharges.In the present embodiment, the repairing oil circuit mainly comprises a repairing cylinder 5, and repairing cylinder 5 belows are mounted with a weight, and in the present embodiment, weight adopts counterweight 6, when specifically implementing, also can adopt the object of other convertible weight.Repairing cylinder 5 is connected with a multi-way control valve 3, be connected with one second one way valve 10 between multi-way control valve 3 and the piling cylinder 1, second one way valve 10 can prevent that the oil in the piling cylinder 1 from flowing backward in the repairing cylinder 5, also be connected with a slippage pump 4 on the multi-way control valve 3, be connected with the 3rd one way valve 11 between slippage pump 4 and the multi-way control valve 3.
The utility model is depressed into default rated pressure with main pump 2 with the pressure in the piling cylinder 1 earlier in use, closes main pump 2 then; Close stop valve 8, promptly close working connection; Start slippage pump 4 then, slippage pump 4 carries out fuel feeding to piling cylinder 1 and repairing cylinder 5 simultaneously by multi-way control valve 3, during fuel feeding, along with increasing of the oil mass in the repairing cylinder 5, counterweight 6 constantly is moving upward, and when counterweight 6 rose to the end, slippage pump 4 quit work.At this moment, draw repairing cylinder 5 downwards by the gravity of counterweight 6 self, repairing cylinder 5 is directly to 1 repairing of piling cylinder.When the oil in the piling cylinder 1 did not have leakage, repairing cylinder 5 was a transfixion; When the oil in the piling cylinder 1 had leakage, repairing cylinder 5 was in repairing in piling cylinder 1 under the effect of counterweight 6, to keep the oil pressure in the piling cylinder 1 constant.After repairing cylinder 5 was compressed into certain distance (this distance can artificially be set), it was serious to think that then oil leaks, and needs repairing, then start slippage pump 4 this moment once more, carry out repairing by multi-way control valve 3 in repairing cylinder 5,6 of counterweights are lifted once more, proceed work.
In the course of the work,
Therefore, pile driving pressure is relevant as for counterweight 6, and when counterweight 6 weight were constant, the pile driving pressure that piling cylinder 1 produces can be invariable, and in testing a process, can be by increasing and decreasing the size that counterweight 6 is regulated pile driving pressure.
The utility model is simple in structure, realization is convenient, utilizes the utility model system can adopt existing pile press that pile is tested, and can improve checkability greatly.
Claims (7)
1. hydraulic pressure pressure-retaining system pile press stable-pressure device, it is characterized in that: described stable-pressure device comprises piling cylinder, working connection and repairing oil circuit, working connection comprises that main pump applies oil pressure for the piling cylinder; The repairing oil circuit comprises repairing cylinder, weight and multi-way control valve, and weight is fixedly mounted on repairing cylinder below, and the repairing cylinder is communicated with the piling cylinder, forms complete oil circuit.
2. hydraulic pressure pressure-retaining system pile press stable-pressure device according to claim 1 is characterized in that: also be connected with slippage pump on the described multi-way control valve, slippage pump is given piling cylinder and repairing oil supply cylinder by multi-way control valve.
3. hydraulic pressure pressure-retaining system pile press stable-pressure device according to claim 2 is characterized in that: between described multi-way control valve and the slippage pump one way valve is installed.
4. according to claim 1 or 2 or 3 described hydraulic pressure pressure-retaining system pile press stable-pressure devices, it is characterized in that: between described main pump and repairing oil circuit and the piling cylinder stop valve is installed.
5. hydraulic pressure pressure-retaining system pile press stable-pressure device according to claim 4 is characterized in that: between described main pump and the stop valve one way valve is installed.
6. according to claim 1 or 2 or 3 described hydraulic pressure pressure-retaining system pile press stable-pressure devices, it is characterized in that: between described multi-way control valve and piling cylinder and the stop valve one way valve is installed.
7. according to claim 1 or 2 or 3 described hydraulic pressure pressure-retaining system pile press stable-pressure devices, it is characterized in that: on the described repairing oil circuit pressure meter is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202802019U CN201794075U (en) | 2010-08-03 | 2010-08-03 | Pile press pressure stabilizer of hydraulic pressure retaining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202802019U CN201794075U (en) | 2010-08-03 | 2010-08-03 | Pile press pressure stabilizer of hydraulic pressure retaining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201794075U true CN201794075U (en) | 2011-04-13 |
Family
ID=43848995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202802019U Expired - Fee Related CN201794075U (en) | 2010-08-03 | 2010-08-03 | Pile press pressure stabilizer of hydraulic pressure retaining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201794075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757592A (en) * | 2018-05-23 | 2018-11-06 | 山信软件股份有限公司 | A kind of control mode and device of rolling mill hydro-cushion |
-
2010
- 2010-08-03 CN CN2010202802019U patent/CN201794075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757592A (en) * | 2018-05-23 | 2018-11-06 | 山信软件股份有限公司 | A kind of control mode and device of rolling mill hydro-cushion |
| CN108757592B (en) * | 2018-05-23 | 2019-12-03 | 山信软件股份有限公司 | A kind of hydro-cushion control device carries out the control mode of rolling mill hydro-cushion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20180803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |