CN103528891A - Pipeline project soil testing system - Google Patents
Pipeline project soil testing system Download PDFInfo
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- CN103528891A CN103528891A CN201310481618.XA CN201310481618A CN103528891A CN 103528891 A CN103528891 A CN 103528891A CN 201310481618 A CN201310481618 A CN 201310481618A CN 103528891 A CN103528891 A CN 103528891A
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Abstract
The invention relates to a pipeline project soil testing system. The pipeline project soil testing system is mainly used for solving the problems of incapability of researching the stress relaxation and the performance limitations of conventional pipelines under the conditions of different pipeline embedding depths, different soil categories and different soil humidity. The pipeline project soil testing system is characterized in that a box system (I) comprises a box body (1), wherein the upper part of the box body (1) is connected to a plurality of loading beams (2), the bottoms of the loading beams (2) are connected to a plurality of oil cylinders (3), and the bottoms of the oil cylinders (3) are connected to flange plates (4); and a hydraulic system (II) comprises a high-pressure plunger pump (10) and a motor (11), and the high-pressure plunger pump (10) is used for outputting high-pressure hydraulic oil to a loading oil cylinder (7) under the control of the motor (11). The pipeline project soil testing system can be used for truly simulating the state of a pipeline under ground and reflecting the stress state of tubular products in practical use, so that the characters of various tubular products are known and the performances of pipelines are evaluated.
Description
Technical field
The invention belongs to mechanical field, specifically a kind of pipework soil testing system.
Background technology
Steel skeleton plastic clad pipe and steel band reinforced polyethylene spiral ripple pipe two large pipelines be take buried as main in application, lax and the performance boundary of the pipe stress of pipeline under the buried degree of depth of difference, under different soil class, different soil moisture cannot be studied, and data acquisition cannot be surveyed and carry out to the situation in soil easily.
Summary of the invention
In order to solve pipe stress lax and performance boundary cannot study the problem of existing pipeline under the buried degree of depth of difference, different soil class, different soil moisture, the invention provides a kind of pipework soil testing system.This pipework soil testing system can real simulation pipeline at underground state, reflection tubing force-bearing situation in actual use, thus understand the characteristic of various tubing, tube performance is evaluated
.
Technical scheme of the present invention is: a kind of pipework soil testing system, comprise box system, hydraulic system, control system, described box system comprises casing, the base plate of casing, side plate are Plate Welding, described casing top connects the loading beam that several are parallel to each other, between adjacent load beam, by steel plate, connect, the bottom of loading beam is connected with several oil cylinders, and the bottom of oil cylinder is connected with ring flange;
Described hydraulic system comprises fuel tank, high-pressure plunger pump, motor, high-pressure plunger pump is exported high pressure liquid force feed to load cylinder under the control of motor, and adjust pressure size by reversal valve A, reduction valve, the oil return of load cylinder is controlled by reversal valve B and hydraulic control one-way valve, realizes moving up and down of load cylinder.
Control system comprises controls power supply, switch board and control operation platform, switch board is controlled the motion of each oil extraction cylinder by PLC programmable control system, switch board is provided with the start-stop button of action button, switch and motor, control operation platform be provided with anxious stop, compacting, backhaul, function switching button and warning light.
Between described loading beam and casing, one end is connected by rotating shaft, and the other end connects by movable axis.
The invention has the beneficial effects as follows: owing to adopting such scheme, can realize testing the operation of chamber system by control system and hydraulic system, and on the loading beam of box system, be connected with oil cylinder, and on oil cylinder, be connected with ring flange, in casing, place after pipeline and soil, by oil cylinder, press down, can simulate different medium, different buried load, thereby reflection pipeline force-bearing situation in actual use, realization, to the understanding of characteristic separately of various pipelines, is selected the high-quality tubing of satisfying the demand and price is cheaper for engineering foundation is provided.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the structural representation of box system in the present invention
Fig. 3 is the cut-open view along B-B in Fig. 1;
Fig. 4 is left view of the present invention;
Fig. 5 is the structural representation of loading beam;
Fig. 6 is the cut-open view of loading beam;
Fig. 7 is the schematic diagram of hydraulic system of the present invention.
1-casing in figure, 2-loading beam, 3-oil cylinder, 4-ring flange, 5-screw, 6-movable axis, 7-load cylinder, 8-reversal valve A, 9-reduction valve, 10-high-pressure plunger pump, 11-motor, 12-fuel tank, 13-surplus valve A, 14-reversal valve B, 15-surplus valve B, 16-hydraulic control one-way valve, 17-tensimeter, I-box system, II-hydraulic system, III-control system.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
Shown in Fig. 1 and Fig. 7, a kind of pipework soil testing system, comprise box system I, hydraulic system II, control system III, described hydraulic system II comprises fuel tank 12, high-pressure plunger pump 10, motor 11 and various hydraulic valve, wherein hydraulic valve comprises reversal valve A8, reduction valve 9, surplus valve A13, reversal valve B14, surplus valve B15, hydraulic control one-way valve 16 etc., high-pressure plunger pump 10 is exported high pressure liquid force feeds to load cylinder 7 under the control of motor 11, and by reversal valve A8, reduction valve 9 is adjusted pressure size, the control of realization to load cylinder 7, the oil return of load cylinder 7 is controlled by reversal valve B14 and hydraulic control one-way valve 16, realize moving up and down of load cylinder 7.When hydraulic oil is got back to fuel tank 12, by surplus valve A13, surplus valve B15 back pressure, making has suitable pressure in loop, prevents that air etc. from entering.Meanwhile, hydraulic system pumping plant is furnished with cold filtration system and oil temperature warning device, by the prompting of oil temperature controller sender, opens cool cycles, guarantees hydraulic work system stability.
Control system III comprises start and stop and the protection switch of controlling power supply, various motors; control section comprises switch board and control operation platform; switch board is controlled self-movement and whole action control of each oil extraction cylinder by PLC programmable control system; switch board is provided with the start-stop button of action button, switch and motor, control operation platform be provided with anxious stop, compacting, backhaul, function switching button and warning light.
This pipework soil testing system is provided with the safety guards such as urgency is stopped, warning, overload protection.When equipment occurs when abnormal, all to stop by scram button device action; When oil temperature surpasses setting, oil temperature warning device can be pointed out by sending out signal, and cooling system is opened.In hydraulic system, be provided with deadweight safety valve, guarantee that equipment can not overload, guarantee complete machine working stability.
By shown in Fig. 1 to Fig. 6, described box system I comprises casing 1, the whole steel construction that adopts of casing 1, and base plate, side plate are Plate Welding, and adopt reinforcement to support.Described casing 1 top connects several loading beams being parallel to each other 2, between adjacent load beam 2, by steel plate, connects, and loading beam 2 and steel plate form box cover jointly.Between described loading beam 2 and casing 1, one end is connected by rotating shaft, and the other end connects by movable axis 6, and movable axis 6 is taken off and can open loading beam 2 and upper cover.The bottom of loading beam 2 is connected with several oil cylinders 3 by screw 5, the bottom of oil cylinder 3 is connected with ring flange 4, and after box cover closes, oil cylinder 3 is positioned at casing 1 with ring flange 4, when box cover is opened, oil cylinder 3 can together move with loading beam 2 with ring flange 4.The quantity of described loading beam 2 can determine according to the size of casing 1, and General Requirements spacing is 600mm, and different according to the length of loading beam, oil cylinder 3 quantity on each loading beam are 5.When experiment, pipeline and soil will be placed in casing, by disassembling the movable axis 6 of casing one side, loading beam 2 and upper cover are raised, change soil class, collect the data characteristic of pipeline under the different buried load of different medium, and apply vertical load by 3 pairs of soil of oil cylinder, simulate buried condition.This casing is connected with Hydraulic system and control system, and hydraulic system should be provided with filtration cooling recirculation system, and in casing, is provided with thermometer, when rising, the temperature inside the box surpasses after the setting alarming value of temperature controller, and electric sender, cooling system is opened in prompting; The output pressure of hydraulic system is adjustable, and during loading, every oil extraction cylinder can be controlled separately; Soil testing chamber is loaded by hydraulic system, and maximum load is 1500 tons, and by 50 oil cylinders, the pressure of each oil cylinder must not be less than 30 tons.During loading, piston rod one end is free state, after having tested, and can analog vibration load.
Therefore, this pipework soil testing chamber system can be realized the action control to loading beam upper cylinder by hydraulic control system, and by changing different soil and tubing, make to the test of tubing can real simulation, reflection tubing force-bearing situation in actual use, gather data, and then study the difference of different types of pipeline in usability, understand various pipelines characteristic separately, for engineering selects to meet requirement of engineering and the cheaper high-quality tubing of price provides foundation.
Claims (3)
1. a pipework soil testing system, comprise box system (I), hydraulic system (II), control system (III), it is characterized in that: described box system (I) comprises casing (1), the base plate of casing (1), side plate are Plate Welding, described casing (1) top connects several loading beams being parallel to each other (2), adjacent load beam connects by steel plate between (2), the bottom of loading beam (2) is connected with several oil cylinders (3), and the bottom of oil cylinder (3) is connected with ring flange (4);
Described hydraulic system (II) comprises fuel tank (12), high-pressure plunger pump (10), motor (11), high-pressure plunger pump (10) is exported high pressure liquid force feed to load cylinder (7) under the control of motor (11), and by reversal valve A(8), reduction valve (9) adjusts pressure size, the oil return of load cylinder (7) is by reversal valve B(14) and hydraulic control one-way valve (16) control, realize moving up and down of load cylinder (7).
2. pipework soil testing system according to claim 1, it is characterized in that: control system (III) comprises controls power supply, switch board and control operation platform, switch board is controlled the motion of each oil extraction cylinder by PLC programmable control system, switch board is provided with the start-stop button of action button, switch and motor, control operation platform be provided with anxious stop, compacting, backhaul, function switching button and warning light.
3. pipework soil testing system according to claim 1, is characterized in that: between described loading beam (2) and casing (1), one end is connected by rotating shaft, and the other end connects by movable axis (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481618.XA CN103528891A (en) | 2013-10-15 | 2013-10-15 | Pipeline project soil testing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310481618.XA CN103528891A (en) | 2013-10-15 | 2013-10-15 | Pipeline project soil testing system |
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| CN103528891A true CN103528891A (en) | 2014-01-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890971A (en) * | 2014-10-09 | 2016-08-24 | 中国科学院地质与地球物理研究所 | Rock fracture seepage continuous servo liquid feeding device |
| CN107044906A (en) * | 2017-03-16 | 2017-08-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of super gravity field shaketalle test adds discharge mechanism and method |
| CN108051313A (en) * | 2017-11-15 | 2018-05-18 | 天津大学 | In-service deep seafloor buried pipeline earthquake-high pressure load combination loading experimental rig |
| CN109632514A (en) * | 2019-01-28 | 2019-04-16 | 中铁第四勘察设计院集团有限公司 | A kind of oil pressure load soil body test device in situ and method being attached to shield duct piece |
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| US20120048029A1 (en) * | 2009-05-22 | 2012-03-01 | Kokusai Keisokuki Kabushiki Kaisha | Hydraulic system and universal testing machine |
| CN102854073A (en) * | 2012-09-10 | 2013-01-02 | 湖北工业大学 | Embankment deformation monitoring model experiment device based on displacement tracing technology, and method thereof |
| CN202676452U (en) * | 2012-02-28 | 2013-01-16 | Bpw(梅州）车轴有限公司 | Bearing temperature, dynamic torque detection testing stand |
| CN103308401A (en) * | 2013-07-01 | 2013-09-18 | 浙江大学 | Preparation method for railway road bed large-week acceleration loading physical model test device |
| CN203479630U (en) * | 2013-10-15 | 2014-03-12 | 华创天元实业发展有限责任公司 | Soil test system in pipeline project |
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2013
- 2013-10-15 CN CN201310481618.XA patent/CN103528891A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120048029A1 (en) * | 2009-05-22 | 2012-03-01 | Kokusai Keisokuki Kabushiki Kaisha | Hydraulic system and universal testing machine |
| CN202676452U (en) * | 2012-02-28 | 2013-01-16 | Bpw(梅州）车轴有限公司 | Bearing temperature, dynamic torque detection testing stand |
| CN102854073A (en) * | 2012-09-10 | 2013-01-02 | 湖北工业大学 | Embankment deformation monitoring model experiment device based on displacement tracing technology, and method thereof |
| CN103308401A (en) * | 2013-07-01 | 2013-09-18 | 浙江大学 | Preparation method for railway road bed large-week acceleration loading physical model test device |
| CN203479630U (en) * | 2013-10-15 | 2014-03-12 | 华创天元实业发展有限责任公司 | Soil test system in pipeline project |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890971A (en) * | 2014-10-09 | 2016-08-24 | 中国科学院地质与地球物理研究所 | Rock fracture seepage continuous servo liquid feeding device |
| CN105890971B (en) * | 2014-10-09 | 2019-08-23 | 中国科学院地质与地球物理研究所 | The continuous servo liquid feed device of rock fracture seepage flow |
| CN107044906A (en) * | 2017-03-16 | 2017-08-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of super gravity field shaketalle test adds discharge mechanism and method |
| CN108051313A (en) * | 2017-11-15 | 2018-05-18 | 天津大学 | In-service deep seafloor buried pipeline earthquake-high pressure load combination loading experimental rig |
| CN109632514A (en) * | 2019-01-28 | 2019-04-16 | 中铁第四勘察设计院集团有限公司 | A kind of oil pressure load soil body test device in situ and method being attached to shield duct piece |
| CN109632514B (en) * | 2019-01-28 | 2024-03-15 | 中铁第四勘察设计院集团有限公司 | Oil pressure loading in-situ soil body testing device and method attached to shield segment |
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Application publication date: 20140122 |