WO2017204675A1 - Dispositif vibratoire immergé à distance variable entre les axes des balourds - Google Patents

Dispositif vibratoire immergé à distance variable entre les axes des balourds Download PDF

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Publication number
WO2017204675A1
WO2017204675A1 PCT/RU2016/000335 RU2016000335W WO2017204675A1 WO 2017204675 A1 WO2017204675 A1 WO 2017204675A1 RU 2016000335 W RU2016000335 W RU 2016000335W WO 2017204675 A1 WO2017204675 A1 WO 2017204675A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
vibrator
unbalance
vibro
vibratory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2016/000335
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English (en)
Russian (ru)
Inventor
Игорь Геннадьевич ГЕРЦЕН
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gertcen Aleksandra Igorevna
Original Assignee
Gertcen Aleksandra Igorevna
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gertcen Aleksandra Igorevna filed Critical Gertcen Aleksandra Igorevna
Publication of WO2017204675A1 publication Critical patent/WO2017204675A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/18—Placing by vibrating

Definitions

  • the invention relates to construction equipment, and in particular to a device designed for fastening to a clogged object, immersed in soil of light and medium hardness or removed from the soil by creating vibration.
  • Vibration drivers inform the elements (pile, dowel, pipe) that are immersed (or extracted) into the soil directed along their axis of oscillation, thereby reducing the coefficient of friction between the soil and the surface of the introduced (extracted) element.
  • the prior art machine for immersion piles or pile foundations under the supports of the contact network containing the working body, made in the form of interchangeable equipment, mounted on a movable carriage placed on a support-rotary device.
  • the working body is made in the form of a vibro driver with a gripping device that provides lateral clamping of piles or pile foundations.
  • the vibro-driver contains a vibrator with a guide, a gripping device in which four hydraulic cylinders are installed, the rods of which are rigidly connected to the wedges interacting with the clamping crackers.
  • the clamping crackers are made with replaceable jaws (RU 39614, 08/10/2004).
  • a vibrator comprising a clamping element for clamping an immersed or removable element, the clamping element consisting of two parts configured to change the distance between them, interconnected by a hydraulic cylinder, which creates a clamping force for the immersed or extracted element (DE 2654995, 06/08/1978) .
  • the closest analogue is a vibrator for immersion piles, including a vibration exciter with unbalanced shafts, connected to the working body by means of a hinge located at an equal distance from the unbalanced shafts, in order to increase reliability by ensuring stable self-synchronization, the hinge is located in the center of gravity of the vibration exciter parallel to the unbalanced shafts (RU 1 150306, 04/15/1985).
  • the clamping device for the workpiece is made in the form of a part separate from the body of the vibration absorber.
  • the disadvantages of the known devices, including the closest analogue, is that the known devices have a high mass, and when the use of such vibration absorbers does not provide a high speed of extraction or immersion of the element.
  • the objective of the invention is the development of a vibratory driver that provides effective vibration processing of an immersed or recoverable element.
  • the present invention proposes to exclude the clamping device made as a separate element from the traditional design of the vibrator, transferring the functions of the clamping device to the composite body of the vibrator.
  • the proposed design uses the principle of self-synchronization of the unbalance of the vibrator. This principle of self-synchronization implies that each unbalance has a separate drive motor and the absence of a mechanical connection between the individual unbalances through gears, chains or belts.
  • the principle of self-synchronization allows you to place each unbalance in a separate part of the composite housing (vibration unit) and use two vibration units as a support for clamping the immersed element.
  • the technical result of the claimed solution is to increase the speed of immersion or retrieval of the element, which is achieved by increasing the amplitude of the vibrations transmitted to the immersed or retrieved element, while expanding the functionality, which consists in providing the possibility of processing elements with different dimensions.
  • the technical result is achieved due to the implementation of a vibratory driver containing two vibratory units, pivotally connected to opposite ends of the hydraulic cylinder with the possibility of changing the angular and / or linear distance between the vibratory units, each vibroblock containing a shaft mounted on it with unbalance, a drive and a hydraulic motor connected to the unbalance, and clamping jaw, and unbalances made with the possibility of their synchronous rotation in opposite directions.
  • Imbalances can be installed on the shafts symmetrically relative to each other and are made with the same weight.
  • the imbalances can be symmetrically fixed to the vibration units relative to each other. At least parts of the vibration units can additionally be pivotally connected to each other.
  • the vibro-loader may contain an additional hydraulic cylinder pivotally connected to two vibration blocks.
  • the body of the vibration absorber is made integral, consisting of two parts (vibration units), interconnected by means of a swivel connection to the hydraulic cylinder (i.e., each of which is pivotally connected to the opposite ends of one hydraulic cylinder) with the possibility of clamping between the components of the vibrator of the workpiece, that is, the function of the clamping device for the workpiece is performed by the vibrator body.
  • This design allows you to abandon the additional separate structural element of the vibratory driver - the clamp - and use the immersed element as a support for two independent parts of the body (vibration units) with independent unbalances.
  • the main difference between the design and the previously known is the lack of a single rigid body with two unbalances with fixed rotation axes.
  • the vibrator has two independent housings, each of which contains a fixed unbalance. Both parts of the composite body (vibration blocks), interconnected, fix the immersed element. Due to this, a decrease in the total mass of the device is achieved, which ensures an increase in the amplitude of vibrations of the vibro driver when immersing or removing the element, as a result of which the speed of immersion or extraction of the element increases.
  • An additional advantage is the ability to install the vibrator on elements of various shapes with different dimensions (flat or volumetric, for example, pipe, pile) by making a movable connection between its parts (two vibratory units) with the possibility of changing the angular and / or linear distance between them, which leads to the absence of the need for each type of processed elements to use its own vibration absorber, which ensures the expansion of the device's functionality.
  • the oscillation amplitude of system (A) is the main characteristic that affects the process of immersion or extraction of an element. This is described by the formula:
  • Ms is the mass of the immersed element.
  • the value of the smallest amplitude at which the vibration immersion process (a) can occur is 3 mm. At a lower amplitude, the process of vibration immersion does not occur, since the amplitude of the oscillations is insufficient to break the adhesion of the surface of the immersed element to the ground.
  • the process of transferring vibration from the vibrator to the element will stop.
  • the compensated work of all elements of the vibrator is a prerequisite for working on immersion or extraction of elements by the vibration method, which is ensured by the claimed design.
  • FIG. 1 - vibration absorber known from the closest analogue of RU 1 150306;
  • FIG. 2 the claimed vibrator with an angular distance between the axes of the unbalance, the immersed (removed) element is not clamped, the unbalance is not rotated
  • FIG. 3 the claimed vibrator with the smallest angular distance between the axes of the unbalance, the immersed (retrieved) element is clamped, the unbalance rotates in opposite directions;
  • FIG. 4 - the claimed vibrator with two hydraulic cylinders
  • Figure 5 is a particular example 1 (comparative) of the implementation of the vibrator
  • the vibrator known from the closest analogue (figure 1), consists of a vibration exciter (1), a clamping device (2) for clamping the immersed element (3) and two unbalances (4).
  • a disturbing force arises, leading to oscillations.
  • the clamping device (2) transfers vibrations from the vibration exciter (1) to the immersed element (3) due to the frictional force created by the clamping device (2) and connecting the vibration exciter (1) and the immersed element (3).
  • the claimed vibrator is made in the form of a clamping element containing two parts of the housing (two vibro-blocks), interconnected by at least one hydraulic cylinder (5), each vibro-block containing an unbalance attached to it ( 6) and (7), its own drive (8) from its hydraulic motor and clamping jaws (9) and (10) (gripping devices) for lateral clamping of the element (1 1) when changing the distance between the vibration units, and unbalances (6) and (7) made with the possibility of their synchronous rotation in the opposite s side.
  • the axis of rotation of the unbalances made with the possibility of moving one relative to the other
  • the vibrator has one hydraulic cylinder, while the angular distance between the axes of rotation of the unbalance can change (Fig.2-3).
  • the claimed vibrator has two hydraulic cylinders (5) and (12), while the linear distance between the axes of rotation of the unbalances can change (Fig. 4).
  • a vibratory loader with a variable distance between the axes of the unbalance allows using one hydraulic cylinder to clamp the element both for the upper surface (Fig. 7) and for the side surface (Fig. 8).
  • the vibrator is used as follows.
  • the angular velocity of the unbalance w4 is greater than zero, the linear velocity of the unbalance v4 is zero (Fig. 3).
  • the total force of the hydraulic cylinders should be greater than the maximum centrifugal force developed by unbalances (6) and (7), which ensures the transfer of vibration from unbalances to the element and mutual compensation of the horizontal component of the centrifugal unbalance forces (6) and unbalance (7).
  • Imbalances are driven by two electric motors through a belt, chain or gear transmission.
  • Vibrator 1 (Fig. 5, the design matches the vibrator from the closest analogue of RU 1 150306) with fixed unbalanced rotation axes installed in a rigid case and a hydraulic clamp with a clamping jaw moved by the hydraulic cylinder).
  • the vibrator has a fork (13), a shock absorber (14), a vibrator (15), a side clip (16) and a lower clip (17).
  • the claimed vibrator 2 is made with a variable distance between the axes of rotation of the unbalance (Fig.6).
  • the vibrator 1 with a clamped immersion element develops an oscillation amplitude of 6.45 mm.
  • the vibrator 2 with a clamped immersion element develops an oscillation amplitude of 7.15 mm.
  • the maximum immersion depth of the element in the same soil with a yield index of 0.5 for vibration absorber 1 will be 10 meters, and for vibration absorber 2 - 12 meters.
  • the design of the proposed vibrator 2 with a variable distance between the axes of rotation of the unbalance has more high basic characteristics, namely a significantly larger amplitude and, as a consequence, a significantly greater depth of immersion or extraction of elements.
  • V is the speed of immersion of the element, m / min;
  • a is a constant value (smallest amplitude), taken equal to 3 mm;
  • the proposed design of the vibrator with independent unbalances provides a more efficient and faster immersion of the element in the soil and extraction from them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

L'invention concerne un dispositif vibratoire immergé à distance variable entre les axes des balourds destiné à être immergé dans des sols de dureté faible à moyenne et à en être extrait. Un dispositif vibratoire comprend deux blocs vibratoires reliés par charnière aux extrémités opposées du vérin hydraulique, avec possibilité de modifier l'écart angulaire entre les blocs vibratoires, chaque bloc vibratoire comprenant, fixés sur lui, un arbre avec balourd, un entraînement et un moteur hydraulique, reliés au balourd, et des mâchoires, les balourds ayant été réalisés de manière à pouvoir tourner de manière synchrone dans des directions opposées. Le résultat technique de la présente invention consiste à augmenter le traitement vibratoire de l'élément immergé ou retiré, assurer la possibilité de traiter de manière régulière au moyen du dispositif vibratoire immergé des éléments présentant des dimensions différentes, et élargir la gamme des moyens techniques disponibles. Le résultat technique doit être confirmé et complété.
PCT/RU2016/000335 2016-05-23 2016-06-03 Dispositif vibratoire immergé à distance variable entre les axes des balourds Ceased WO2017204675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2016119732 2016-05-23
RU2016119732A RU2615544C1 (ru) 2016-05-23 2016-05-23 Вибропогружатель с изменяемым расстоянием между осями дебалансов

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Publication Number Publication Date
WO2017204675A1 true WO2017204675A1 (fr) 2017-11-30

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RU (1) RU2615544C1 (fr)
WO (1) WO2017204675A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115404130A (zh) * 2022-09-02 2022-11-29 无锡锡州机械有限公司 一种热交换器加工工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564932A (en) * 1968-02-09 1971-02-23 Lebelle Jean L Vibrodriver system
SU1150306A1 (ru) * 1983-04-01 1985-04-15 Московское научно-производственное объединение по строительному и дорожному машиностроению Вибрационное устройство
RU2159309C1 (ru) * 1999-03-05 2000-11-20 Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" Центробежный вибровозбудитель с регулируемыми дебалансами
RU2297496C2 (ru) * 2005-07-07 2007-04-20 Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" (ЦНИИС) Вибропогружатель с регулируемым моментом дебалансов
RU2386750C1 (ru) * 2008-12-19 2010-04-20 Государственное унитарное предприятие "Институт московского строительства "НИИМосстрой" Вибрационное устройство для погружения элемента каркаса сваи

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564932A (en) * 1968-02-09 1971-02-23 Lebelle Jean L Vibrodriver system
SU1150306A1 (ru) * 1983-04-01 1985-04-15 Московское научно-производственное объединение по строительному и дорожному машиностроению Вибрационное устройство
RU2159309C1 (ru) * 1999-03-05 2000-11-20 Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" Центробежный вибровозбудитель с регулируемыми дебалансами
RU2297496C2 (ru) * 2005-07-07 2007-04-20 Открытое акционерное общество "Научно-исследовательский институт транспортного строительства" (ЦНИИС) Вибропогружатель с регулируемым моментом дебалансов
RU2386750C1 (ru) * 2008-12-19 2010-04-20 Государственное унитарное предприятие "Институт московского строительства "НИИМосстрой" Вибрационное устройство для погружения элемента каркаса сваи

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115404130A (zh) * 2022-09-02 2022-11-29 无锡锡州机械有限公司 一种热交换器加工工艺
CN115404130B (zh) * 2022-09-02 2023-09-05 无锡锡州机械有限公司 一种热交换器加工工艺

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