CN202914424U - Landing leg synchronous hydraulic system of tracked construction drilling rig - Google Patents
Landing leg synchronous hydraulic system of tracked construction drilling rig Download PDFInfo
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- CN202914424U CN202914424U CN 201220624835 CN201220624835U CN202914424U CN 202914424 U CN202914424 U CN 202914424U CN 201220624835 CN201220624835 CN 201220624835 CN 201220624835 U CN201220624835 U CN 201220624835U CN 202914424 U CN202914424 U CN 202914424U
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Abstract
The utility model relates to a landing leg synchronous hydraulic system of a tracked construction drilling rig. The landing leg synchronous hydraulic system of the tracked construction drilling rig comprises a hydraulic pump, an output end of the hydraulic pump is connected with an overflow valve, an output end of the overflow valve is connected with an oil tank, the output end and an oil return end of the hydraulic pump are respectively connected with four hydraulic cylinder working sets through pipelines, the four hydraulic cylinder working sets are in parallel connection, each hydraulic cylinder working set comprises a three-position four-way change valve, outlet ends of each three-position four-way change valve are respectively connected with a throttle valve, and the throttle valves are respectively connected with an oil inlet and an oil outlet of each hydraulic cylinder through pipelines. The landing leg synchronous hydraulic system of the tracked construction drilling rig is reasonable in structure and easy and convenient to operate. Random motion, independent motion and synchronous motion of four landing legs can be controlled at the same time merely through one control switch, the use is flexible and convenient, and the stability is good.
Description
Technical field
The utility model relates to the crawler belt construction drill, especially a kind of supporting leg synchronization hydraulic system of crawler belt construction drill.
Background technique
Crawler belt hydraulic construction rig, the high-effect track-type rock drilling machinery of self-propelled all-hydraulic, caterpillar drilling machine is comprised of main frame, hydraulic station, operating table, crawler belt four major parts, interconnects with the ultrahigh-pressure hydraulic sebific duct, so that main frame is mobile flexibly.It is widely used in the construction that large-scale height builds, and the heavy caliber deep-drawn cast-in-place pile is more and more general, bears the construction in this type of hole mainly with rotary drilling rig.In the prior art, be extended with four supporting legs on the platform of crawler belt hydraulic construction rig, described each bar supporting leg arranges separately respectively control gear, make it in the course of the work, according to practical application, can independently control the separately motion of supporting leg, adopt this mode, in its using process, when each bar supporting leg stretches out, need to adjust respectively the position of each bar supporting leg, and guarantee the stationarity of working platform, when it was adjusted, each oil cylinder need to bear pressure, adjust trouble, and have danger.
The model utility content
The applicant is for adopting the action of independent design supporting leg to have danger in the above-mentioned existing production technology, adjust the shortcomings such as trouble, a kind of supporting leg synchronization hydraulic system of crawler belt construction drill is provided, thereby can make each supporting leg synchronization motion, also can make each supporting leg single movement, two kinds of function combinations, it is easy and simple to handle, and functional reliability is good.
The technological scheme that the utility model adopts is as follows:
A kind of supporting leg synchronization hydraulic system of crawler belt construction drill, comprise oil hydraulic pump, described hydraulic pressure delivery side of pump connects relief valve, the output terminal of described relief valve is connected with fuel tank, described hydraulic pressure delivery side of pump and oil revolving end are connected with four groups of hydraulic cylinder works groups in parallel by pipeline respectively, described hydraulic cylinder works group comprises three position four-way directional control valve, and the outlet end of described three position four-way directional control valve connects respectively throttle valve, and described throttle valve links to each other with oil outlet with hydraulic cylinder oil inlet respectively by pipeline.
The beneficial effects of the utility model are as follows:
The utility model is rational in infrastructure, and is easy and simple to handle, and a control switch can be controlled any action of four supporting legs simultaneously, can control four supporting leg single movements, also can control four supporting legs and move simultaneously, flexible and convenient to use, good stability.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1, oil hydraulic pump; 2, relief valve; 3, the first oil hydraulic cylinder; 4, first throttle valve; 5, the first three position four-way directional control valve; 6, the second oil hydraulic cylinder; 7, the second throttle valve; 8, the second three position four-way directional control valve; 9, the 3rd oil hydraulic cylinder; 10, the 3rd throttle valve; 11, the 3rd three position four-way directional control valve; 12, the 4th oil hydraulic cylinder; 13, the 4th throttle valve; 14, the 4th three position four-way directional control valve.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
As shown in Figure 1, the supporting leg synchronization hydraulic system of the crawler belt construction drill of the present embodiment, comprise oil hydraulic pump 1, the output terminal of oil hydraulic pump 1 connects relief valve 2, the output terminal of relief valve 2 is connected with fuel tank, and the output terminal of oil hydraulic pump 1 and oil revolving end are connected with four groups of hydraulic cylinder works groups in parallel by pipeline respectively, and the hydraulic cylinder works group comprises three position four-way directional control valve, the outlet end of three position four-way directional control valve connects respectively throttle valve, and throttle valve links to each other with oil outlet with hydraulic cylinder oil inlet respectively by pipeline.
See Fig. 1, the concrete structure of four groups of hydraulic cylinder works groups is: the output terminal of (one) oil hydraulic pump 1 closes oil revolving end by pipeline with the entrance point of the first three position four-way directional control valve 5 respectively with oil revolving end and is connected, the outlet of the first three position four-way directional control valve 5 connects respectively first throttle valve 4, and first throttle valve 4 links to each other with oil outlet with the filler opening of the first oil hydraulic cylinder 3 respectively by pipeline; (2) output terminal of oil hydraulic pump 1 closes oil revolving end by pipeline with the entrance point of the second three position four-way directional control valve 8 respectively with oil revolving end and is connected, the outlet of the second three position four-way directional control valve 8 connects respectively the second throttle valve 7, the second throttle valve 7 and links to each other with oil outlet with the filler opening of the second oil hydraulic cylinder 6 respectively by pipeline; (3) output terminal of oil hydraulic pump 1 closes oil revolving end by pipeline with the entrance point of the 3rd three position four-way directional control valve 11 respectively with oil revolving end and is connected, the outlet of the 3rd three position four-way directional control valve 11 connects respectively the 3rd throttle valve 10, the three throttle valve 10 and links to each other with oil outlet with the filler opening of the 3rd oil hydraulic cylinder 9 respectively by pipeline; (4) output terminal of oil hydraulic pump 1 closes oil revolving end by pipeline with the entrance point of the 4th three position four-way directional control valve 14 respectively with oil revolving end and is connected, the outlet of the 4th three position four-way directional control valve 14 connects respectively the 4th throttle valve 13, the four throttle valve 13 and links to each other with oil outlet with the filler opening of the 4th oil hydraulic cylinder 12 respectively by pipeline.
Then control respectively the action of four supporting legs of crawler belt hydraulic construction rig by above-mentioned four groups of hydraulic cylinder works groups, every group of working group controlled by a control switch handle, article four, supporting leg can an independent supporting leg job, also can move by simultaneously any two supporting legs, also simultaneously any three supporting legs action or four supporting legs move simultaneously, and an electrically switchable grating bat-handle switch is according to different use occasions, the supporting leg of four groups of working groups moves arbitrarily, and supporting leg can be risen or fall simultaneously.
Because the load that every supporting leg bears is different, so every supporting leg rises or the speed of falling is different; The total discharge of four groups of selector valves is 40L/min, installs respectively 9 L/min additional with the definite value throttle valve of pressure compensation at two oil pockets of every supporting leg; 4X9=36 L/min altogether, all the other 4 L/min are from relief valve 2 overflows, and every supporting leg flow is the same like this, and the band pressure compensation, every supporting leg rises or the speed of falling is not subjected to the impact of load, and four supporting legs rise or fall synchronously, thereby platform can not tilt in lifting process, all the time steadily lifting.
Above description is to explanation of the present utility model, is not the restriction to model utility, and the utility model limited range within protection domain of the present utility model, can be done any type of modification referring to claim.
Claims (1)
1. the supporting leg synchronization hydraulic system of a crawler belt construction drill, it is characterized in that: comprise oil hydraulic pump (1), the output terminal of described oil hydraulic pump (1) connects relief valve (2), the output terminal of described relief valve (2) is connected with fuel tank, the output terminal of described oil hydraulic pump (1) and oil revolving end are connected with four groups of hydraulic cylinder works groups in parallel by pipeline respectively, described hydraulic cylinder works group comprises three position four-way directional control valve, the outlet end of described three position four-way directional control valve connects respectively throttle valve, and described throttle valve links to each other with oil outlet with hydraulic cylinder oil inlet respectively by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624835 CN202914424U (en) | 2012-11-23 | 2012-11-23 | Landing leg synchronous hydraulic system of tracked construction drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624835 CN202914424U (en) | 2012-11-23 | 2012-11-23 | Landing leg synchronous hydraulic system of tracked construction drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914424U true CN202914424U (en) | 2013-05-01 |
Family
ID=48162743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220624835 Expired - Fee Related CN202914424U (en) | 2012-11-23 | 2012-11-23 | Landing leg synchronous hydraulic system of tracked construction drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914424U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762887A (en) * | 2016-12-19 | 2017-05-31 | 陕西科技大学 | The adjustable caterpillar drilling machine hydraulic system of one kind load |
| CN108087369A (en) * | 2016-11-22 | 2018-05-29 | 重庆大江工业有限责任公司 | A kind of hydraulic pressure support leveling system for vehicle |
| CN110274774A (en) * | 2019-06-27 | 2019-09-24 | 燕山大学 | Simulate the pilot system blown out |
| CN114477020A (en) * | 2021-12-23 | 2022-05-13 | 三江瓦力特特种车辆有限公司 | Hydraulic lifting control circuit with protection function |
-
2012
- 2012-11-23 CN CN 201220624835 patent/CN202914424U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087369A (en) * | 2016-11-22 | 2018-05-29 | 重庆大江工业有限责任公司 | A kind of hydraulic pressure support leveling system for vehicle |
| CN106762887A (en) * | 2016-12-19 | 2017-05-31 | 陕西科技大学 | The adjustable caterpillar drilling machine hydraulic system of one kind load |
| CN106762887B (en) * | 2016-12-19 | 2018-06-12 | 陕西科技大学 | A kind of adjustable caterpillar drilling machine hydraulic system of load |
| CN110274774A (en) * | 2019-06-27 | 2019-09-24 | 燕山大学 | Simulate the pilot system blown out |
| CN110274774B (en) * | 2019-06-27 | 2020-08-11 | 燕山大学 | Test system for simulating tire burst |
| CN114477020A (en) * | 2021-12-23 | 2022-05-13 | 三江瓦力特特种车辆有限公司 | Hydraulic lifting control circuit with protection function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20171123 |