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CN-122013741-A - Static sounding device based on rigid chain transmission and application method

CN122013741ACN 122013741 ACN122013741 ACN 122013741ACN-122013741-A

Abstract

The invention relates to the technical field of marine geotechnical investigation, and particularly discloses a static sounding device based on rigid chain transmission and an application method thereof, wherein a rigid chain transmission unit is formed by mutually interlocking push-and-lift engagement chains of left and right building blocks, and double chains are combined at 90 degrees to form a T-shaped section structure, so that the direction retention and unbalanced load resistance in the sounding process are effectively improved; the gap eliminating stable clamps driven by the air cylinders are arranged on the chain set at intervals, so that accumulated errors of the multi-stage hinges are eliminated, the overall rigidity of the chain set is recovered, and meanwhile, the multidirectional high-pressure water cleaning mechanism is arranged, so that sand and stone impurities in gaps of the hinges are removed during recovery. The invention solves the problems of poor axial stability and easy jamming of the existing rigid chain mechanism, and has the advantages of high penetrating straightness, strong environmental adaptability and compact structure.

Inventors

  • CHENG YONGHUI
  • LI BO
  • HU BO
  • Zhao Chiheng
  • QIU JINWEI

Assignees

  • 长江水利委员会长江科学院

Dates

Publication Date
20260512
Application Date
20260408

Claims (9)

  1. 1. Static sounding device based on rigid chain drive, including fuselage assembly (1), its characterized in that still includes: The rigid chain transmission unit (2) is arranged on the machine body assembly (1), the rigid chain transmission unit (2) comprises a driving mechanism (21), a chain containing mechanism (22) and a chain group (23), the chain group (23) is composed of a first chain (a) and a second chain (b), the first chain (a) and the second chain (b) are formed by hinging a plurality of building blocks (24) through connecting pin shafts, and a mutually-locked matching structure is arranged between the building blocks (24) on the first chain (a) and the building blocks (24) on the second chain (b); The anti-backlash stabilizing mechanism (3) is arranged on the chain group (23) and is used for locking and eliminating the fit clearance between the building blocks (24); The mounting and dismounting mechanism (4) is arranged on the machine body assembly (1) and is used for mounting and dismounting the anti-backlash stabilizing mechanism (3) on the chain group (23) or from the chain group (23); the cleaning mechanism (5) is arranged at the lower part of the machine body assembly (1) and is used for cleaning the chain group (23) in the recovery process; And the instrument bin (6) is fixedly arranged at the tail end of the chain group (23) and used for installing and detecting load.
  2. 2. The static sounding device based on rigid chain transmission as claimed in claim 1, wherein the first chain (a) and the second chain (b) are distributed at an included angle, so that the section of the chain group (23) is in a 'T' -shaped structure.
  3. 3. A static penetration test device based on rigid chain transmission according to claim 1 or 2, characterized in that said anti-backlash stabilization mechanism (3) comprises at least one anti-backlash stabilization clip removably mounted on said chain set (23).
  4. 4. A static sounding device based on rigid chain transmission according to claim 3, wherein said anti-backlash stable clamp is a pair of split clamp structures, a limit structure matching with the shape of said chain set (23) is provided on the inner side of said clamp, and said pair of clamp is relatively locked on the outer side of said chain set (23) by means of an assembling and disassembling mechanism (4).
  5. 5. The static cone penetration device based on rigid chain transmission according to claim 1, wherein the cleaning mechanism (5) comprises a plurality of nozzles arranged along different directions, the spraying direction of the nozzles is aligned with the hinge holes and the gaps of the building blocks (24) of the chain group (23), and the nozzles are connected with an external water source.
  6. 6. The static sounding device based on rigid chain transmission as claimed in claim 1, wherein the instrument bin (6) is made of high-strength materials, and a power supply unit and a data storage unit are arranged inside the instrument bin (6).
  7. 7. Static cone penetration device based on rigid chain transmission according to claim 2, characterized in that a plurality of anti-backlash stabilizing mechanisms (3) are arranged at intervals along the extending direction of the chain group (23).
  8. 8. A method for applying a static cone penetration device based on rigid chain transmission to the static cone penetration device as claimed in any one of claims 1 to 7, comprising the steps of: Step S1, starting a driving mechanism (21), releasing a chain group (23) by a chain accommodating mechanism (22), and driving a first chain (a) and a second chain (b) to synchronously extend by the driving mechanism (21); Step S2, in the extending process of the chain group (23), the anti-backlash stabilizing mechanism (3) is arranged on the chain group (23) through the mounting and dismounting mechanism (4), so that the accumulated error of the current chain group (23) is eliminated; step S3, continuously extending the chain group (23), repeating the step S2 until the instrument bin (6) reaches a preset detection depth, and performing static sounding operation; S4, after the detection operation is completed, starting the driving mechanism (21) to recover the chain group (23), and simultaneously starting the cleaning mechanism (5) to clean the chain group (23); and S5, accommodating the cleaned chain group (23) in the chain accommodating mechanism (22).
  9. 9. The application method according to claim 8, wherein in the step S2, the anti-backlash stabilizing mechanisms (3) are arranged at intervals along the extending direction of the chain group (23) by a distance of 1m to 3 m.

Description

Static sounding device based on rigid chain transmission and application method Technical Field The invention belongs to the technical field of marine geotechnical investigation, and particularly relates to a static sounding device based on rigid chain transmission and an application method thereof. Background Marine geotechnical investigation is an important basic work for engineering construction of offshore wind farms, cross-sea bridges, submarine pipelines and the like. Static sounding is used as a common in-situ test means, and parameters such as penetration resistance and the like are measured in real time by pressing a probe into a seabed layer at a constant speed, so that a key geological basis is provided for engineering design and construction. At present, part of static cone penetration equipment adopts a chain transmission mode to realize the penetrating action of a probe rod. However, such devices suffer from the following disadvantages: firstly, the chain is only used as a flexible transmission part and is always in a flexible state, and only tension force can be transmitted, and the probing process still needs to rely on an independent rigid probe rod, so that the structure is complex. Secondly, as the detection depth increases, the number of probe rods increases, the axial length of the equipment correspondingly increases, and higher requirements on the carrying capacity and the space adaptability of the offshore operation platform are provided. Disclosure of Invention In order to solve the technical problems, the invention provides a static sounding device based on rigid chain transmission and an application method thereof, so as to solve the problems that in the prior art, a chain is only used as a flexible transmission member, so that the structure is complex, the axial space occupation of equipment is large, and the requirement of marine rock and soil investigation operation is difficult to adapt. The invention provides a static sounding device based on rigid chain transmission, which comprises a machine body assembly and further comprises: the rigid chain transmission unit is arranged on the machine body assembly and comprises a driving mechanism, a chain containing mechanism and a chain group, wherein the chain group consists of a first chain and a second chain, the first chain and the second chain are formed by hinging a plurality of building blocks through connecting pin shafts, and a matched structure for mutually locking is arranged between the building blocks on the first chain and the building blocks on the second chain; the clearance eliminating stabilizing mechanism is arranged on the chain group and used for locking and eliminating the fit clearance between the building blocks; The mounting and dismounting mechanism is arranged on the machine body assembly and is used for mounting or dismounting the anti-backlash stabilizing mechanism to or from the chain group; the cleaning mechanism is arranged at the lower part of the machine body assembly and is used for cleaning the chain group in the recovery process; and the instrument bin is fixedly arranged at the tail end of the chain group and used for installing and detecting load. Preferably, the first chain and the second chain are distributed at an included angle, so that the section of the chain group is of a T-shaped structure. Preferably, the anti-backlash stabilization mechanism comprises at least one anti-backlash stabilization clip removably mounted to the chain assembly. Preferably, the anti-backlash stable clamp is of a pair of split clamp structures, a limiting structure matched with the appearance of the chain set is arranged on the inner side of the clamp, and the pair of clamp is relatively locked outside the chain set through an installing and detaching mechanism. Preferably, the cleaning mechanism comprises a plurality of nozzles arranged along different directions, the spraying directions of the nozzles are aligned to the hinge holes and the block gaps of the chain group, and the nozzles are connected with an external water source. Preferably, the instrument bin is made of high-strength materials, and a power supply unit and a data storage unit are arranged in the instrument bin. Preferably, a plurality of anti-backlash stabilizing mechanisms are arranged at intervals along the extending direction of the chain group. The invention also provides an application method of the static cone penetration device based on rigid chain transmission, which is applied to the static cone penetration device and comprises the following steps: step S1, starting a driving mechanism, releasing a chain group by a chain accommodating mechanism, and driving a first chain and a second chain to synchronously extend by the driving mechanism; s2, in the extending process of the chain set, the anti-backlash stabilizing mechanism is arranged on the chain set through the mounting and dismounting mechanism, so that accumulated errors of the cur