CN114232580A - Hydraulic straight rod continuous penetration method and device - Google Patents
Hydraulic straight rod continuous penetration method and device Download PDFInfo
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- CN114232580A CN114232580A CN202111646944.2A CN202111646944A CN114232580A CN 114232580 A CN114232580 A CN 114232580A CN 202111646944 A CN202111646944 A CN 202111646944A CN 114232580 A CN114232580 A CN 114232580A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/027—Investigation of foundation soil in situ before construction work by investigating properties relating to fluids in the soil, e.g. pore-water pressure, permeability
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a hydraulic straight rod continuous penetration method and a device, belonging to the technical field of static sounding, wherein the hydraulic straight rod continuous penetration method comprises the following steps: s1, the first clamping assembly clamps the probe rod and the second clamping assembly releases the probe rod; s2, in the descending process of the first clamping assembly, the second clamping assembly descends; s3, when the descending speeds of the second clamping assembly and the first clamping assembly are the same, the second clamping assembly clamps the probe rod, the first clamping assembly releases the probe rod, and the first clamping assembly ascends and returns; s4, in the process that the second clamping component descends, the first clamping component descends; s5, when the descending speeds of the first clamping assembly and the second clamping assembly are the same, the first clamping assembly clamps the probe rod, the second clamping assembly loosens the probe rod, and the second clamping assembly ascends and returns; and S6, repeating S2 to S5. The hydraulic straight rod continuous penetration device adopts the hydraulic straight rod continuous penetration method to continuously penetrate the probe rod.
Description
Technical Field
The invention relates to the technical field of static sounding, in particular to a hydraulic straight rod continuous penetration method and device.
Background
The static sounding technology is a field test means which is reliable and common in geotechnical engineering, and the basic principle is that a penetration mechanism presses a sounding rod provided with a sounding probe into a soil layer, and then the penetration resistance, the side friction resistance, the pore water pressure and other parameters of the probe are measured, so that the basic physical and mechanical indexes of the soil body are determined.
The ocean static sounding equipment is hung into the seabed through a cable and stably sits on the seabed through a self frame supporting system. The probe rod is driven by electric power or hydraulic pressure, so that the probe penetrates into the tested seabed soil body at a constant speed.
The existing penetration device can realize the step-by-step penetration of the probe rod, but has pause in the penetration process and can not realize continuous penetration. For example, patent No. CN109930581U discloses a static sounding device, in which two sets of upper and lower penetration mechanisms work alternately to penetrate a probe rod, at the time when the two sets of penetration mechanisms are alternated, the penetration of the probe rod is stopped, the speed of the probe rod is 0 at the time of stopping, and the parameters measured before and after stopping cannot be used, which results in invalidation of a large amount of data, low working efficiency and inaccurate measurement.
Disclosure of Invention
The invention aims to provide a hydraulic straight rod continuous penetration method and a hydraulic straight rod continuous penetration device, which can realize one-time penetration of a probe rod, have no pause in the middle, and have high working efficiency and accurate measurement.
As the conception, the technical scheme adopted by the invention is as follows:
a hydraulic straight rod continuous penetration method comprises the following steps:
step S1, the first clamping assembly clamps the probe rod and the second clamping assembly releases the probe rod;
step S2, in the process that the first clamping component descends, the second clamping component descends;
step S3, when the descending speeds of the second clamping assembly and the first clamping assembly are the same, the second clamping assembly clamps the probe rod, the first clamping assembly loosens the probe rod, the second clamping assembly continues descending, and the first clamping assembly ascends and returns;
step S4, in the process that the second clamping component descends, the first clamping component descends;
step S5, when the descending speeds of the first clamping assembly and the second clamping assembly are the same, the first clamping assembly clamps the probe rod and the second clamping assembly loosens the probe rod, the first clamping assembly continues to descend, and the second clamping assembly ascends and returns;
and step S6, repeating the steps S2 to S5.
Wherein, first centre gripping subassembly and second centre gripping subassembly are all descending at the uniform velocity.
In step S2, when the first clamping assembly descends for a first time period, the second clamping assembly descends.
The first clamping assembly moves between a first upper limit position and a first lower limit position, and the first upper limit position is positioned above the first lower limit position; the second clamping assembly moves between a second upper limit position and a second lower limit position, the second upper limit position being above the second lower limit position.
Wherein the first lower limit position is located above the second upper limit position.
Wherein the first upper limit position is located below the second lower limit position.
In step S2, when the first clamping assembly descends a first distance or the first clamping assembly is at a second distance from the first lower position, the second clamping assembly descends.
Before step S1, the method further includes:
step S0: and the first clamping assembly clamps the probe rod at a first upper limit position, and the second clamping assembly clamps the probe rod at a second lower limit position.
In step S1, after the probe rod is released by the second clamping assembly, the second clamping assembly is lifted back to the second upper limit position.
The hydraulic straight rod continuous penetration device adopts the hydraulic straight rod continuous penetration method to penetrate the probe rod.
The invention has the beneficial effects that:
according to the hydraulic straight rod continuous injection method provided by the invention, the first clamping assembly clamps the probe rod and the second clamping assembly looses the probe rod, and in the descending process of the first clamping assembly, the second clamping assembly descends to enable the first clamping assembly and the second clamping assembly to have the process of descending simultaneously, so that when the descending speeds of the second clamping assembly and the first clamping assembly are the same, the second clamping assembly clamps the probe rod and the first clamping assembly loosens the probe rod to complete the handover of the probe rod.
Drawings
FIG. 1 is a schematic structural view of a hydraulic straight rod continuous penetration device according to an embodiment of the present invention;
FIG. 2 is a front view of a hydraulic straight rod continuous penetration device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view of a first penetration mechanism provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a portion of the structure in fig. 4.
In the figure:
100. a probe rod;
10. a frame; 11. a fender; 12. balancing weight;
20. a first penetration mechanism; 21. a first clamping assembly; 211. a clip; 212. a clamping hydraulic cylinder; 22. a first lifting assembly; 221. a first hydraulic cylinder; 222. a first base; 23. a second displacement measuring assembly;
30. a second penetration mechanism;
41. penetrating into a driving bin; 42. a hydraulic station; 43. a battery box;
50. a first displacement measurement assembly; 51. a measuring wheel;
61. a guide wheel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 to 5, an embodiment of the present invention provides a hydraulic straight rod continuous penetration device, which can achieve continuous penetration of a probe rod 100.
The hydraulic straight rod continuous penetration device comprises a rack 10, a first penetration mechanism 20 and a second penetration mechanism 30, wherein the rack 10 plays a supporting role, the first penetration mechanism 20 comprises a first clamping component 21 and a first lifting component 22, the first clamping component 21 can clamp the probe rod 100, and the first lifting component 22 can drive the first clamping component 21 to descend or ascend; the second penetration mechanism 30 includes a second clamping assembly capable of clamping the probe rod 100 and a second lifting assembly capable of driving the second clamping assembly to descend or ascend.
The rack 10 is provided with an upper detection hole and a lower detection hole through which the probe rod 100 can pass. Specifically, the frame 10 is a frame structure, the first penetration mechanism 20 and the second penetration mechanism 30 are both disposed in the frame 10, a mudguard 11 is disposed on the periphery of the frame 10, a counterweight 12 is disposed on one side of the frame 10, and the counterweight 12 is detachably connected to the frame 10.
The first clamping assembly 21 is identical in structure to the second clamping assembly. The first clamping assembly 21 includes two oppositely disposed clamping pieces 211, and the two clamping pieces 211 can move toward or away from each other to clamp or release the probe 100. A clamping hydraulic cylinder 212 is disposed corresponding to each clamping piece 211, and the clamping hydraulic cylinder 212 can drive the clamping piece 211 to move.
The clamping piece 211 has a clamping surface, and the clamping surface is an arc surface, so as to be in close contact with the probe 100. The surface of the clamping surface has scratches to increase the friction force with the probe 100, so as to facilitate the clamping of the probe 100.
The first lifting assembly 22 and the second lifting assembly are identical in construction. The first lifting assembly 22 comprises two first lifting hydraulic cylinders 221 arranged at intervals, the first lifting hydraulic cylinders 221 are fixedly connected with the frame 10, a first base 222 is arranged at the end of a first hydraulic rod of each first lifting hydraulic cylinder 221, and the first clamping assembly 21 is connected with the first base 222. Similarly, the second lifting assembly comprises two second lifting hydraulic cylinders arranged at intervals, the second lifting hydraulic cylinders are fixedly connected with the rack 10, a second base is arranged at the end part of a second hydraulic rod of each second lifting hydraulic cylinder, and the second clamping assembly is connected with the second base.
In this embodiment, the first clamping assembly 21 is located above the second clamping assembly. The lower end of the first lifting component 22 is fixedly connected with the frame 10, and the upper end of the first lifting component 22 can drive the first clamping component 21 to lift. The upper end of the second lifting component is fixedly connected with the frame 10, and the lower end of the second lifting component can drive the second clamping component to lift. The first base 222 and the second base are arranged in a cross shape to fully utilize the space. Above-mentioned structure sets up, can furthest utilize the height of frame 10, and the stroke length of increase single injection guarantees that the focus of equipment is lower, and stability is high.
In other embodiments, the first clamping assembly 21 may be disposed below the second clamping assembly.
The hydraulic straight rod continuous penetration device further comprises a penetration driving system, and the penetration driving system is located in the rack 10 and detachably connected with the rack 10. The penetration driving system comprises a penetration driving bin 41, a hydraulic station 42 and a battery box 43, wherein the penetration driving bin 41 can control the operation of a motor, the motor provides power for the hydraulic station 42, and the hydraulic station 42 is connected with a hydraulic cylinder through a hydraulic pipe to provide hydraulic pressure for the hydraulic cylinder. The battery box 43 supplies power to the entire apparatus.
The hydraulic straight rod continuous penetration device further comprises a first displacement measuring assembly 50 and a second displacement measuring assembly 23.
The first displacement measuring assembly 50 is fixedly connected to the frame 10 for measuring the vertical displacement of the probe 100. Specifically, the first displacement measuring assembly 50 comprises a sensor and a measuring wheel 51, the measuring wheel 51 is arranged on one side of the probe rod 100, the outer peripheral surface of the measuring wheel 51 is in contact with the probe rod 100, the measuring wheel 51 is driven to rotate when the probe rod 100 vertically moves, and the vertical displacement of the probe rod 100 can be measured by detecting the number of rotating circles of the measuring wheel 51 through the sensor.
A second displacement measuring assembly 23 is located within the hydraulic lift cylinder for measuring the amount of vertical displacement of the hydraulic rod.
The direct driving force of the device is hydraulic pressure, and the movement speed of the hydraulic rod can be conveniently adjusted by directly adjusting the flow of hydraulic oil, so that the descending speed of the probe rod 100 can be adjusted. Because of the hydraulic pressure drive, the load condition of each place can be known effectively through the manometer of dress in the system to can effectual prevention overload condition. The device's hydraulic flow is less, and the accessible battery is direct for penetrating into drive storehouse 41 and motor power supply under water, and equipment is small and exquisite nimble. The battery pack can be quickly disassembled and replaced, and the efficiency of field test is improved. The underwater part does not need to transmit electric power through the reinforced umbilical cord, so that the equipment can be conveniently collected and released, and the deck space is saved. Through the mutual cooperation of two injection mechanisms, the probe rod 100 can be continuously injected, and the reliability of data is improved.
The hydraulic straight rod continuous penetration device further comprises a guide assembly, the guide assembly comprises two guide wheels 61 arranged at intervals, the feeler lever 100 moves between the two guide wheels 61, the feeler lever 100 drives the guide wheels 61 to rotate when moving vertically, and the guide wheels 61 guide and limit the feeler lever 100. The measuring wheel 51 is disposed below the guide wheel 61.
The embodiment of the invention also provides a hydraulic straight rod continuous penetration method, which comprises the following steps:
step S1, the first clamping assembly 21 clamps the probe 100 and the second clamping assembly releases the probe 100;
step S2, in the process of descending the first clamping assembly 21, the second clamping assembly descends;
step S3, when the descending speeds of the second clamping assembly and the first clamping assembly 21 are the same, the second clamping assembly clamps the probe rod 100, the first clamping assembly 21 releases the probe rod 100, the second clamping assembly continues descending, and the first clamping assembly 21 rises and returns;
step S4, in the process of descending the second clamping assembly, the first clamping assembly 21 descends;
step S5, when the descending speeds of the first clamping assembly 21 and the second clamping assembly are the same, the first clamping assembly 21 clamps the probe rod 100 and the second clamping assembly releases the probe rod 100, the first clamping assembly 21 continues descending, and the second clamping assembly ascends and returns;
and step S6, repeating the steps S2 to S5.
In the hydraulic straight rod continuous penetration method, the first clamping assembly 21 and the second clamping assembly have a process of descending simultaneously, so that when the descending speeds of the second clamping assembly and the first clamping assembly 21 are the same, the second clamping assembly clamps the probe rod 100 and the first clamping assembly 21 loosens the probe rod 100 to complete the handover of the probe rod 100, and because the speeds of the first clamping assembly 21 and the second clamping assembly are the same during the handover, the probe rod 100 does not need to be stopped in the handover process, so that the probe rod 100 is always in a descending state, and further the continuous penetration is realized.
The first clamping assembly 21 and the second clamping assembly both descend at a constant speed, so the penetration of the probe 100 is a constant-speed penetration without pause in the middle.
The first clamping assembly 21 moves between a first upper limit position and a first lower limit position, the first upper limit position being located above the first lower limit position. The second clamping assembly moves between a second upper limit position and a second lower limit position, the second upper limit position being above the second lower limit position.
In this embodiment, the first lower limit position is located above the second upper limit position.
In the process of descending the first clamping assembly 21, when the second clamping assembly starts to descend, the first clamping assembly 21 does not reach the first lower limit position when the first clamping assembly 21 is connected with the second clamping assembly.
It may be that, in step S2, when the first clamping assembly 21 is lowered for a first time period, the second clamping assembly is lowered. Since the descending speed of the first clamping assembly 21 is constant, the first time period can be set according to actual needs. The hydraulic straight rod continuous penetration device comprises a timer.
In step S2, the second clamping assembly may be lowered when the first clamping assembly 21 is lowered by a first distance or when the first clamping assembly 21 is lowered by a second distance from the first lower position.
Similarly, step S4 may be controlled in accordance with the manner described above.
Before step S1, the method further includes:
step S0: in the lowering device, the first clamping assembly 21 is at the first upper limit position and clamps the probe 100, and the second clamping assembly is at the second lower limit position and clamps the probe 100.
In step S1, after the probe 100 is released by the second clamping assembly, the second clamping assembly is lifted back to the second upper limit position.
Illustratively, when the probe 100 penetrates at a constant speed, the second clamping assembly is released and the first clamping assembly 21 clamps the probe 100 and descends at a speed of 2cm/s, the second clamping assembly rapidly ascends to reach the second upper limit position, when the first clamping assembly 21 is 10cm away from the first lower limit position, the second clamping assembly and the first clamping assembly 21 synchronously descend at a speed of 2cm/s, the second clamping assembly clamps the probe 100, and meanwhile, the first clamping assembly 21 releases the probe 100 and the first clamping assembly 21 rapidly ascends to reach the first upper limit position.
When the second clamping assembly is 10cm away from the second lower limit position, the first clamping assembly 21 immediately descends together with the second clamping assembly at the speed of 2cm/s, the first clamping assembly 21 clamps the probe 100, meanwhile, the second clamping assembly releases the probe 100, and the second clamping assembly rapidly ascends to the second upper limit position.
The continuous penetration of the probe 100 can be realized by the circulation.
During the process of recovering the probe 100, the opposite operation logic of penetration is executed.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A hydraulic straight rod continuous penetration method is characterized by comprising the following steps:
step S1, the first clamping assembly clamps the probe rod and the second clamping assembly releases the probe rod;
step S2, in the process that the first clamping component descends, the second clamping component descends;
step S3, when the descending speeds of the second clamping assembly and the first clamping assembly are the same, the second clamping assembly clamps the probe rod, the first clamping assembly loosens the probe rod, the second clamping assembly continues descending, and the first clamping assembly ascends and returns;
step S4, in the process that the second clamping component descends, the first clamping component descends;
step S5, when the descending speeds of the first clamping assembly and the second clamping assembly are the same, the first clamping assembly clamps the probe rod and the second clamping assembly loosens the probe rod, the first clamping assembly continues to descend, and the second clamping assembly ascends and returns;
and step S6, repeating the steps S2 to S5.
2. The hydraulic straight rod continuous penetration method according to claim 1, wherein the first clamping assembly and the second clamping assembly both descend at a constant speed.
3. The hydraulic straight rod continuous penetration method of claim 2, wherein the second clamping assembly descends when the first clamping assembly descends for a first time period in step S2.
4. The hydraulic straight rod continuous penetration method according to claim 2, wherein the first clamping assembly moves between a first upper limit position and a first lower limit position, the first upper limit position being located above the first lower limit position; the second clamping assembly moves between a second upper limit position and a second lower limit position, the second upper limit position being above the second lower limit position.
5. The hydraulic straight rod continuous penetration method according to claim 4, wherein the first lower limit position is located above the second upper limit position.
6. The hydraulic straight rod continuous penetration method according to claim 4, wherein the first upper limit position is located below the second lower limit position.
7. The hydraulic straight rod continuous penetration method of claim 4, wherein the second clamping assembly descends when the first clamping assembly descends a first distance or when the first clamping assembly is spaced a second distance from the first lower position at step S2.
8. The hydraulic straight rod continuous penetration method according to claim 4, further comprising, before the step S1:
step S0: and the first clamping assembly clamps the probe rod at a first upper limit position, and the second clamping assembly clamps the probe rod at a second lower limit position.
9. The hydraulic straight rod continuous penetration method according to claim 8, wherein the second clamping assembly is raised back to the second upper limit position after the probe is released by the second clamping assembly at step S1.
10. A hydraulic straight rod continuous penetration device, characterized in that a probe rod is penetrated by the hydraulic straight rod continuous penetration method according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111646944.2A CN114232580B (en) | 2021-12-30 | 2021-12-30 | Hydraulic straight rod continuous injection method and device |
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| CN202111646944.2A CN114232580B (en) | 2021-12-30 | 2021-12-30 | Hydraulic straight rod continuous injection method and device |
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| CN114232580A true CN114232580A (en) | 2022-03-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357283B1 (en) * | 1998-09-24 | 2002-03-19 | Verenigde Bedrijven Van Den Berg Heerenveen Holding B.V. | Sounding apparatus and method for operating it |
| CN105696541A (en) * | 2016-01-21 | 2016-06-22 | 台州市建元工程勘察仪器有限公司 | Submarine marine static sounding machine |
| CN109098162A (en) * | 2018-10-26 | 2018-12-28 | 武汉吉欧信海洋科技股份有限公司 | It is a kind of with casing function can continuous injection underwater static sounding device |
| CN111379249A (en) * | 2020-03-19 | 2020-07-07 | 彭江涛 | Static sounding equipment and static sounding method for geotechnical geological exploration |
| CN112064618A (en) * | 2020-09-24 | 2020-12-11 | 南京智探岩土科技有限公司 | Static sounding test device of automatic threading extension rod |
| CN113846616A (en) * | 2021-08-30 | 2021-12-28 | 中建华宸(海南)建设集团有限公司 | Platform type ocean static sounding device |
-
2021
- 2021-12-30 CN CN202111646944.2A patent/CN114232580B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357283B1 (en) * | 1998-09-24 | 2002-03-19 | Verenigde Bedrijven Van Den Berg Heerenveen Holding B.V. | Sounding apparatus and method for operating it |
| CN105696541A (en) * | 2016-01-21 | 2016-06-22 | 台州市建元工程勘察仪器有限公司 | Submarine marine static sounding machine |
| CN109098162A (en) * | 2018-10-26 | 2018-12-28 | 武汉吉欧信海洋科技股份有限公司 | It is a kind of with casing function can continuous injection underwater static sounding device |
| CN111379249A (en) * | 2020-03-19 | 2020-07-07 | 彭江涛 | Static sounding equipment and static sounding method for geotechnical geological exploration |
| CN112064618A (en) * | 2020-09-24 | 2020-12-11 | 南京智探岩土科技有限公司 | Static sounding test device of automatic threading extension rod |
| CN113846616A (en) * | 2021-08-30 | 2021-12-28 | 中建华宸(海南)建设集团有限公司 | Platform type ocean static sounding device |
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