CN112921944A - Cable probe rod reliability extension rod device - Google Patents
Cable probe rod reliability extension rod device Download PDFInfo
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- CN112921944A CN112921944A CN202110165879.5A CN202110165879A CN112921944A CN 112921944 A CN112921944 A CN 112921944A CN 202110165879 A CN202110165879 A CN 202110165879A CN 112921944 A CN112921944 A CN 112921944A
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- 230000003068 static effect Effects 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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Abstract
The invention discloses a cable probe rod reliability extension rod device, which comprises: the probe rods are sequentially hinged to each other to form a chain structure, each probe rod comprises a first connecting part, a second connecting part and a third connecting part, the first connecting part, the second connecting part and the third connecting part are sequentially and fixedly connected along the same axis, a first limiting plane is arranged at the connecting part of the first connecting part and the second connecting part, a second limiting plane is arranged at the connecting part of the second connecting part and the third connecting part, the second limiting plane and the first limiting plane are deviated from each other, and a first positioning block is arranged on the outer peripheral surface of the first connecting part; the cable probe rod reliability connecting rod device is mainly used for underwater static sounding in-situ test and also can be suitable for onshore static sounding in-situ test.
Description
Technical Field
The invention relates to the technical field of a connecting rod structure of a cabled probe rod, and particularly discloses a connecting rod device for reliability of the cabled probe rod.
Background
With the large-scale construction of marine resource development projects such as marine wind energy utilization, tidal energy development, oil and gas resource development and the like, in order to ensure the safety and stability of marine structures, the engineering property of marine soil-foundation of the marine structures must be determined. Meanwhile, in wading projects such as rivers and lakes, a large number of wading buildings and underwater tunnel projects must be built under water to be surveyed so as to master the engineering properties of the soil layers of the bottoms of the rivers and lakes. Engineering property testing of underwater foundation soil is a difficult problem of soil mechanics. After long-term geotechnical engineering practice, the in-situ test technology becomes one of important means in underwater geotechnical engineering investigation and foundation evaluation, and particularly, the underwater static sounding test technology is widely applied.
Static Cone Penetrometry (CPT) is a common Test method used in geotechnical engineering investigation, and is a field Test method which utilizes quasi-Static force to press a conical probe with a certain specification and shape into soil through a series of probe rods at a constant Penetration speed, simultaneously measures and records the resistance force applied to the probe in the Penetration process, and indirectly judges the physical and mechanical properties of the soil according to the measured Penetration resistance force and carries out layering. The onshore static cone penetration test is relatively simple and mature. However, underwater static cone penetration tests are very complex.
Underwater static sounding equipment is mainly manufactured by a few countries in europe and america, as represented by the netherlands. The equipment has the following common characteristics: (1) the dead weight of the underwater working platform is often used as a counter force system, and the dead weight of the underwater working platform is larger; (2) when the underwater working platform is put in, the requirements on the tonnage of the ship and the attached hoisting equipment are high; (3) adopt the manual work on water to connect the pole, put in installation and probe into the ground in-process at equipment simultaneously, for preventing that probe above the ground surface from taking place the rupture at dead weight, rivers, morning and evening tides and wave effect, set up the probe supporting tower that the height is the same with the penetration ground degree of depth on work platform under water, cause the whole size of equipment great, and the operation takes a lot of work and time. Aiming at the characteristics, the Chinese invention patent 'an automatic extension rod system with a cable probe rod and a static sounding test method' provides the principle of the automatic extension rod system and the integral structure of the automatic extension rod device. The invention provides a detailed structure of an improved joint of a connecting rod system, and the connecting rod structure has the characteristics of high strength, safety and reliability.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a reliable extension rod device for a cabled probe rod, which solves at least one technical problem in the background art.
In order to achieve the above technical object, a technical solution of the present invention provides a reliable extension rod device for a cabled probe, including:
the probe rods are sequentially hinged to each other to form a chain structure, each probe rod comprises a first connecting part, a second connecting part and a third connecting part, the first connecting part, the second connecting part and the third connecting part are sequentially and fixedly connected along the same axis, a first limiting plane is arranged at the connecting part of the first connecting part and the second connecting part, a second limiting plane is arranged at the connecting part of the second connecting part and the third connecting part, the second limiting plane and the first limiting plane are deviated from each other, and a first positioning block is arranged on the outer peripheral surface of the first connecting part;
the inner circumferential surface of the sleeve is provided with a plurality of first sliding grooves arranged along the circumferential direction of the sleeve and a plurality of second sliding grooves arranged along the axis of the sleeve, each second sliding groove is at least partially communicated with each first sliding groove, the first positioning block is in sliding connection with the first sliding grooves or the second sliding grooves, the sleeve comprises an upper connecting part and a lower connecting part which are arranged adjacently up and down, and the sleeve is sleeved on the first connecting part or/and the third connecting part in a sliding manner;
the sleeve is provided with two sliding limit positions, when the sleeve is in a first limit position, the upper connecting part is sleeved on a third connecting part of the probe rod above the two adjacent probe rods, the lower connecting part is sleeved on a first connecting part of the probe rod below the two adjacent probe rods, and at the moment, the first positioning block can be positioned at a communication position of the first sliding chute and the second sliding chute; and when the second limit position is reached, the upper connecting part and the lower connecting part are sleeved on the first connecting part of the probe rod below the two adjacent probe rods, and at the moment, the first positioning block can be positioned at the communication position of the first sliding groove and the second sliding groove.
Furthermore, the first limiting plane and the second limiting plane are two end faces of the second connecting part.
Further, the first runner is an annular groove arranged coaxially with the sleeve.
Furthermore, the first sliding grooves are provided with two, and the two first sliding grooves are sequentially arranged at intervals along the axial direction of the sleeve.
Further, the number of the second sliding grooves is three, the three second sliding grooves are uniformly arranged along the circumferential direction of the first connecting portion, the radian of each second sliding groove is 60 degrees, the number of the first positioning blocks is three, the three first positioning blocks are uniformly arranged along the circumferential direction of the first connecting portion, the radian of each first positioning block is 60 degrees, the outer circumferential surface of the first connecting portion is further provided with three second positioning blocks, the three second positioning blocks are uniformly arranged along the circumferential direction of the first connecting portion, the shape and the size of each second positioning block are consistent with those of the first positioning blocks, the axial distance between the first positioning block and the second positioning block on the same first connecting portion is equal to the axial distance between the two first sliding grooves on the same sleeve, and the three first positioning blocks on the same probe rod are arranged in an up-down opposite manner in one-to-one correspondence with the three second positioning blocks, when two adjacent probe rods are coaxial, the three third positioning blocks on the upper probe rod correspond to the three first positioning blocks on the lower probe rod one by one and are arranged up and down oppositely.
Furthermore, an upper limiting block is arranged at the upper end of the sleeve, a lower limiting block is arranged at the lower end of the sleeve, a lower limiting groove formed by sinking is arranged on the second limiting plane, and the lower limiting groove can accommodate the upper limiting block when in the first limiting position; an upper limiting groove formed by sinking is formed in the first limiting plane, and the upper limiting groove can accommodate the lower limiting block when the second limiting position is reached.
Further, when two adjacent probe rods are coaxial, the lower limiting groove on the upper probe rod and the upper limiting groove on the lower probe rod are arranged in a vertically opposite manner.
Furthermore, the radian of the upper limiting groove and the radian of the lower limiting groove are both 120 degrees, and the radian of the upper limiting block and the radian of the lower limiting block are both 60 degrees.
Furthermore, the probe rod is provided with a cable groove which is arranged along the length direction of the probe rod and is used for the cable to penetrate through.
Compared with the prior art, the invention has the beneficial effects that: this have cable probe rod reliability to connect pole device can realize that geotechnical engineering static sounding normal position test in-process has the automation of cable probe rod to connect the pole, mainly used static sounding normal position test under water, also applicable to static sounding normal position test on land, through the first spout and the second spout that the axial was arranged of circumference arrangement on the sleeve, through ingenious structural design, realize the directional slip of two dimensions of sleeve and first locating piece/second locating piece/third locating piece to it is spacing to realize the stability of two extreme positions.
Drawings
FIG. 1 is a schematic structural diagram of a first state of a reliable extension rod device for a cabled probe rod provided by the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the plane A-A in FIG. 1;
FIG. 3 is a schematic structural diagram of a second state of the cabled probe rod reliability extension rod device provided by the invention;
FIG. 4 is a schematic view of the cross-sectional structure of the plane B-B in FIG. 3;
FIG. 5 is a third structural view of the extension rod device for the reliability of the cabled probe according to the present invention;
FIG. 6 is a schematic view of the cross-sectional structure of the plane C-C in FIG. 5;
FIG. 7 is a schematic diagram of a fourth state of the reliability extension rod device for a cabled probe according to the present invention;
FIG. 8 is a schematic cross-sectional view of the D-D surface of FIG. 7;
FIG. 9 is a schematic view of a sleeve structure in the reliability extension rod device for a cabled probe rod provided by the present invention;
FIG. 10 is a schematic top view of the structure of FIG. 9;
FIG. 11 is a schematic view of the side E-E broken away and expanded configuration of FIG. 10;
FIG. 12 is a schematic cross-sectional view taken along plane F-F of FIG. 11;
FIG. 13 is a schematic sectional view of the plane G-G in FIG. 11;
fig. 14 is a schematic sectional view of the H-H plane of fig. 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 14, the present embodiment provides a reliable extension rod device for a cabled probe, including: at least two probe rods and sleeves for sleeving the connecting parts of the two probe rods (only the lower half of the upper probe rod and the upper half of the lower probe rod are shown in figures 1, 3, 5 and 7).
The adjacent probe rods are hinged in sequence to form a chain-shaped structure, each probe rod comprises a first connecting portion 11, a second connecting portion 12 and a third connecting portion 13 which are fixedly connected in sequence along the same axis, a first limiting plane c1 is arranged at the connecting portion of the first connecting portion 11 and the second connecting portion 12, a second limiting plane c2 is arranged at the connecting portion of the second connecting portion 12 and the third connecting portion 13, the second limiting plane c2 and the first limiting plane c1 are deviated from each other, a first positioning block a1 is arranged on the outer circumferential surface of the first connecting portion 11, a plurality of first sliding grooves f1 arranged along the circumferential direction of the sleeve 2 and a plurality of second sliding grooves f2 arranged along the axis of the sleeve are arranged on the inner circumferential surface of the sleeve 2, and each second sliding groove f2 is at least partially communicated with each first sliding groove f1 (for example, in the embodiment, on the same sleeve 2, the number of the first sliding grooves f1 is two, the number of the second sliding grooves f2 is three, the three second sliding grooves f2 are vertically communicated with the two first sliding grooves f1, that is, three communicating positions are uniformly arranged on each first sliding groove f1, the first positioning block a1 is slidably connected with the first sliding groove f1 or the second sliding groove f2, the sleeve 2 comprises an upper connecting part and a lower connecting part (namely, an upper half part and a lower half part of the sleeve 2) which are arranged adjacently up and down, and the sleeve 2 is slidably sleeved on the first connecting part 11 or/and the third connecting part 13;
the sleeve 2 has two sliding limit positions, in the first limit position, the upper connecting part is sleeved on the third connecting part 13 of the upper probe rod of the two adjacent probe rods, and the lower connecting part is sleeved on the first connecting part 11 of the lower probe rod of the two adjacent probe rods, at this time, the first positioning block a1 can be located at the communication position (boundary position) of the first sliding chute f1 and the second sliding chute f 2; in the second limit position, the upper connecting portion and the lower connecting portion are both sleeved on the first connecting portion 11 of the probe rod below the two adjacent probe rods, at this time, the first positioning block a1 may be located at a communication position (boundary position) between the first sliding groove f1 and the second sliding groove f2, and the outer circumferential surface of the sleeve 2 is provided with an annular sleeve clamping bayonet 5.
In this embodiment, the first connection portion 11, the second connection portion 12, and the third connection portion 13 are coaxial, the sleeve 2 is coaxially sleeved on the first connection portion 11 or the first connection portion 11 and the third connection portion 13 above the first connection portion 11, the first limiting plane c1 and the second limiting plane c2 are two end surfaces of the second connection portion 12, and the first limiting plane c1 and the second limiting plane c2 are limiting surfaces for limiting two limit positions of the sleeve 2 in axial sliding.
The first sliding grooves f1 are annular grooves arranged coaxially with the sleeve 2, two first sliding grooves f1 are provided, two first sliding grooves f1 are sequentially arranged at intervals in the axial direction of the sleeve 2, three second sliding grooves f2 are provided, three second sliding grooves f2 are uniformly arranged in the circumferential direction of the sleeve 2, the second sliding grooves f2 are vertical sliding grooves, the radian of each second sliding groove f2 is 60 degrees, the number of first positioning blocks a1 is three, three first positioning blocks a1 are uniformly arranged in the circumferential direction of the first connecting portion 11, the radian of each first positioning block a1 is 60 degrees, three second positioning blocks a2 are further provided on the outer circumferential surface of the first connecting portion 11, three second positioning blocks a2 are uniformly arranged in the circumferential direction of the first connecting portion 11, and the shape and size of each second positioning block a2 are identical to the first positioning blocks a1, the axial distance between the first positioning block a1 and the second positioning block a2 on the same first connecting portion 11 is equal to the axial distance between the two first sliding grooves f1 on the same sleeve 2, the three first positioning blocks a1 on the same probe rod are arranged in a vertically opposite manner with the three second positioning blocks a2, the outer peripheral surface of the third connecting portion 13 is provided with three third positioning blocks a3 uniformly arranged along the circumferential direction thereof, the shape and size of each third positioning block a3 are consistent with those of the first positioning blocks a1, when two adjacent probe rods are coaxial, the three third positioning blocks a3 on the upper probe rod are arranged in a vertically opposite manner with the three first positioning blocks a1 on the lower probe rod, the sliding connecting structure is a highly stable central symmetrical structure, and when the probe rods are in a connecting state, the third positioning block a3 on the probe rod above can be clamped into the first sliding slot f1 on the upper part of the sleeve 2, and the first positioning block a1 on the probe rod below can be clamped into the first sliding slot f1 on the lower part of the same sleeve 2, so that the stability of the state of the probe rod is improved.
An upper limit block b1 is arranged at the upper end of the sleeve 2, a lower limit block b2 is arranged at the lower end of the sleeve 2, a lower limit groove d2 formed by sinking is arranged on the second limit plane c2, and the lower limit groove d2 can accommodate the upper limit block b1 when the sleeve is at the first limit position; be provided with sunken upper limit groove d1 that forms on the first spacing plane c1, during the second extreme position, upper limit groove d1 can hold down spacing block b2, when adjacent two when the probe rod is coaxial, be located the top on the probe rod down spacing groove d2 and be located the below on the probe rod up spacing groove d1 is relative arrangement from top to bottom, the radian of upper limit groove d1 with spacing groove d2 is 120 degrees down, upper limit block b1 with spacing block b 2's radian is 60 degrees down.
Specifically, offer on the probe rod along its length direction and be used for the cable duct 4 that cable 3 wore to establish, cable 3's tail end is connected to data acquisition equipment (not shown in the figure), and cable 3 can normally work, the articulated position of probe rod, probe rod and sleeve 2 are the aluminum alloy material, have light in weight and corrosion-resistant characteristics.
The working principle is as follows: before the field static sounding test is started, a cable probe rod reliability extension rod device is shown in fig. 1, a probe rod positioned above and a probe rod positioned below are in a folding rod state, a sleeve 2 is initially in a locking state, the sleeve 2 is positioned on the probe rod positioned below, a lower limiting block b2 is positioned on the right side of an upper limiting groove d1 for limiting (shown in fig. 2), 2 groups of sleeve positioning lugs (a first positioning block a1 and a second positioning block a2) on a probe rod body are respectively attached to two first sliding grooves f1 in a sealing mode, and the sleeve 2 can only rotate anticlockwise along the upper limiting groove d1 and cannot slide up and down. After the on-site static sounding starts a penetration test, three steps of operation are needed to be carried out when the automatic extension rod is completed in a folding rod state. In the first step, under the action of a numerical control device (not shown), the sleeve 2 firstly rotates clockwise by 60 degrees along the upper limiting groove d1, at this time, 2 sets of sleeve positioning lugs (a first positioning block a1 and a second positioning block a2) on the rod body of the probe rod respectively enter the vertical second sliding groove f2 in the sleeve 2, and meanwhile, the probe rod adjacent to the upper part rotates around the hinge e to be in a straight line with the probe rod below, so that the cable probe rod reliability connecting rod device is shown in fig. 3. In a second step, the second sliding groove f2 vertically arranged in the sleeve 2 slides along 3 sets of sleeve positioning projections (the first positioning block a1, the second positioning block a2 and the third positioning block a3) from bottom to top until reaching the second limiting plane c2, and at this time, the automatic rod connecting device is as shown in fig. 5. Thirdly, the sleeve 2 rotates counterclockwise by 60 degrees along the lower limit groove d2 to limit the position of the right side of the lower limit groove d2, at this time, the third positioning block a3 at the lower part of the probe rod positioned above is closely attached to the first sliding groove f1 on the inner wall of the sleeve 2, the sleeve 2 is fixed with the probe rod positioned above and below in the up-down direction, at this time, the upper and lower probe rods are connected by the sleeve 2 to form a whole, and the working state is as shown in fig. 7.
In the field test probe rod pulling-up process, three steps of operations are required from the extension rod state to the folding rod state, and the operation process is just opposite to the penetration process. In the first step, starting from the state shown in fig. 7, the sleeve 2 is rotated clockwise 60 ° along the lower limit groove d2, and the state shown in fig. 5 is reached. Secondly, starting from the state shown in fig. 5, the second sliding groove f2 vertically arranged in the sleeve 2 slides from top to bottom along 3 sets of sleeve positioning projections (the first positioning block a1, the second positioning block a2 and the third positioning block a3) until reaching the first limiting plane c1, and at this time, the sleeve 2 is located on the probe rod below. Thirdly, the sleeve 2 rotates counterclockwise by 60 degrees along the upper limit groove d1, the upper limit groove d1 is limited at the right side, and the probe rod positioned above rotates around the hinge e to be in a folding rod state, and the state shown in fig. 1 is achieved.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a have cable probe rod reliability to connect pole device which characterized in that includes:
the probe rods are sequentially hinged to each other to form a chain structure, each probe rod comprises a first connecting part, a second connecting part and a third connecting part, the first connecting part, the second connecting part and the third connecting part are sequentially and fixedly connected along the same axis, a first limiting plane is arranged at the connecting part of the first connecting part and the second connecting part, a second limiting plane is arranged at the connecting part of the second connecting part and the third connecting part, the second limiting plane and the first limiting plane are deviated from each other, and a first positioning block is arranged on the outer peripheral surface of the first connecting part;
the inner circumferential surface of the sleeve is provided with a plurality of first sliding grooves arranged along the circumferential direction of the sleeve and a plurality of second sliding grooves arranged along the axis of the sleeve, each second sliding groove is at least partially communicated with each first sliding groove, the first positioning block is in sliding connection with the first sliding grooves or the second sliding grooves, the sleeve comprises an upper connecting part and a lower connecting part which are arranged adjacently up and down, and the sleeve is sleeved on the first connecting part or/and the third connecting part in a sliding manner;
the sleeve is provided with two sliding limit positions, when the sleeve is in a first limit position, the upper connecting part is sleeved on a third connecting part of the probe rod above the two adjacent probe rods, the lower connecting part is sleeved on a first connecting part of the probe rod below the two adjacent probe rods, and at the moment, the first positioning block can be positioned at a communication position of the first sliding chute and the second sliding chute; and when the second limit position is reached, the upper connecting part and the lower connecting part are sleeved on the first connecting part of the probe rod below the two adjacent probe rods, and at the moment, the first positioning block can be positioned at the communication position of the first sliding groove and the second sliding groove.
2. The cabled probe rod reliability extension rod structure according to claim 1, wherein the first limiting plane and the second limiting plane are two end surfaces of a second connecting portion.
3. The cabled probe rod reliability rod structure according to claim 1, wherein the first sliding groove is an annular groove coaxially arranged with the sleeve.
4. The extension rod structure for reliability of a cabled probe rod according to claim 1, wherein there are two first sliding grooves, and the two first sliding grooves are sequentially spaced in the axial direction of the sleeve.
5. The cabled probe rod reliability connecting rod structure according to claim 4, wherein there are three second sliding grooves, the three second sliding grooves are uniformly arranged along the circumferential direction of the first connecting portion, the radian of each second sliding groove is 60 degrees, the number of the first positioning blocks is three, the three first positioning blocks are uniformly arranged along the circumferential direction of the first connecting portion, the radian of each first positioning block is 60 degrees, the outer circumferential surface of the first connecting portion is further provided with three second positioning blocks, the three second positioning blocks are uniformly arranged along the circumferential direction of the first connecting portion, the shape and size of each second positioning block are consistent with those of the first positioning blocks, and the axial distance between the first positioning block and the second positioning block on the same first connecting portion is equal to the axial distance between the two first sliding grooves on the same sleeve, the three first positioning blocks on the same probe rod are in one-to-one correspondence with the three second positioning blocks and are arranged up and down oppositely, the peripheral surface of the third connecting part is provided with three third positioning blocks which are uniformly arranged along the circumferential direction of the third connecting part, the shape and the size of each third positioning block are consistent with those of the first positioning blocks, and when two adjacent probe rods are coaxial, the three third positioning blocks on the probe rod above are in one-to-one correspondence with the three first positioning blocks on the probe rod below are arranged up and down oppositely.
6. The extension rod structure for reliability of a cabled probe rod according to claim 1, wherein an upper limit block is disposed at the upper end of the sleeve, a lower limit block is disposed at the lower end of the sleeve, a lower limit groove formed by a recess is disposed on the second limit plane, and the lower limit groove can accommodate the upper limit block when in the first limit position; an upper limiting groove formed by sinking is formed in the first limiting plane, and the upper limiting groove can accommodate the lower limiting block when the second limiting position is reached.
7. The cabled probe reliability rod structure according to claim 6, wherein when two adjacent probes are coaxial, the lower limiting groove of the upper probe is opposite to the upper limiting groove of the lower probe.
8. The extension rod structure for reliability of a cabled probe rod according to claim 7, wherein the radian of each of the upper and lower limiting grooves is 120 degrees, and the radian of each of the upper and lower limiting blocks is 60 degrees.
9. The extension rod structure for reliability of a probe rod with a cable according to claim 1, wherein the probe rod is provided with a cable groove arranged along a length direction thereof for a cable to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165879.5A CN112921944B (en) | 2021-02-07 | 2021-02-07 | Cable probe rod reliability extension rod device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165879.5A CN112921944B (en) | 2021-02-07 | 2021-02-07 | Cable probe rod reliability extension rod device |
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| CN112921944A true CN112921944A (en) | 2021-06-08 |
| CN112921944B CN112921944B (en) | 2024-06-11 |
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| 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 |
| CN215290047U (en) * | 2021-02-07 | 2021-12-24 | 长江水利委员会长江科学院 | Cable probe rod reliability extension rod device |
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2021
- 2021-02-07 CN CN202110165879.5A patent/CN112921944B/en active Active
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|---|---|---|---|---|
| CN102518105A (en) * | 2011-11-30 | 2012-06-27 | 中国地质大学（武汉） | Seabed static sounding penetration device |
| CN106638539A (en) * | 2017-01-06 | 2017-05-10 | 长江水利委员会长江科学院 | Automatic rod connecting system for cable probing rods and static penetration test method |
| CN207143903U (en) * | 2017-08-27 | 2018-03-27 | 常州市基础工程公司 | A kind of static sounding feeler lever |
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| CN215290047U (en) * | 2021-02-07 | 2021-12-24 | 长江水利委员会长江科学院 | Cable probe rod reliability extension rod device |
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