CN114808913A - Rapid energy level changing mechanism of dynamic compaction machine and construction method thereof - Google Patents

Rapid energy level changing mechanism of dynamic compaction machine and construction method thereof Download PDF

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Publication number
CN114808913A
CN114808913A CN202210379820.0A CN202210379820A CN114808913A CN 114808913 A CN114808913 A CN 114808913A CN 202210379820 A CN202210379820 A CN 202210379820A CN 114808913 A CN114808913 A CN 114808913A
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China
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rope
energy level
tamping
dynamic compaction
changing mechanism
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CN202210379820.0A
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CN114808913B (en
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褚海伟
闫振兴
华栓
张兵
周娴
宋增卫
刘雪峰
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/046Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Machines (AREA)

Abstract

The invention discloses a quick energy level changing mechanism of a dynamic compaction machine and a construction method thereof, the mechanism comprises a pull rope and a connecting lug plate, the top end of the pull rope is fixedly connected with a unhooking device, the bottom end of the pull rope is fixed on the connecting lug plate through a first rope sleeve arranged at the tail end of a rope body, the lower section of the rope body is provided with a plurality of second rope sleeves according to the designed interval, the length of the rope body between the first rope sleeve and each second rope sleeve is matched with the difference value of the drop distance of a rammer corresponding to the energy level change of ramming energy, the connecting lug plate is fixedly arranged on a frame of the dynamic compaction machine, and the connecting lug plate is also provided with a rope fastener for hanging or releasing the second rope sleeves. The invention has simple structure, simple operation, strong practicability and low modification cost, can be used in a turnover way, can quickly adjust the drop distance of the rammer by arranging the second rope sleeve and the rope fastener, and only needs to perform the sleeving and picking of the second rope sleeve at the rope fastener when the ramming energy is adjusted, thereby greatly improving the stability and the safety of energy level conversion, ensuring the construction safety and achieving the purposes of reducing cost, improving quality and increasing efficiency.

Description

Rapid energy level changing mechanism of dynamic compaction machine and construction method thereof
Technical Field
The invention relates to the technical field of dynamic compaction construction, in particular to a dynamic compaction mechanical rapid energy level changing mechanism and a construction method thereof.
Background
With the rapid development of the building industry, the situation that the soil condition is high-viscosity silty clay is inevitably encountered in the dynamic compaction replacement construction of foundation treatment, for the soil condition, the bearing capacity requirement of the foundation cannot be met by the conventional dynamic compaction replacement construction method, and the variable-energy-level dynamic compaction construction needs to be carried out at each dynamic compaction point to ensure the replacement pier body depth. If the energy level conversion is considered, the conventional dynamic compaction machine needs to calculate the steel wire ropes with different lengths according to the required tamping energy, and the steel wire ropes are fixed on the frame of the dynamic compaction machine by using iron wires in the construction process.
Disclosure of Invention
The invention aims to provide a quick energy level changing mechanism of a dynamic compaction machine and a construction method thereof, so as to solve the technical problems in the background technology.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a quick energy level mechanism that becomes of dynamic compaction machinery which characterized in that: including stay cord and connection otic placode, the stay cord top links to each other with the detacher is fixed, and the first rope sling that its bottom set up through the rope body end is fixed on connecting the otic placode, and its rope body hypomere is provided with a plurality of second rope sling according to the design interval, and the rope body length between first rope sling and each second rope sling and the rammer that corresponding rammer ability level change corresponds fall apart from the difference value phase-match, it sets up in the dynamic compaction machine frame to connect the otic placode fixed, and still is provided with the cable loop that is used for articulating or releasing the second rope sling on connecting the otic placode.
Preferably, the first rope sling and the second rope sling are formed by folding partial rope bodies of the stay ropes in half, the head of the folded section of the rope bodies forms a lantern ring of the first rope sling or the second rope sling, and the neck of the folded section of the rope bodies is fixedly connected through a plurality of steel wire rope clamps arranged side by side.
Preferably, in order to avoid the rope sling from tripping, the first rope sling or the second rope sling is at least provided with four steel wire rope clamps.
Preferably, for the life of extension connection otic placode, prevent that the rope fastening is unexpected hooks the second fag end, the connection otic placode includes the first otic placode of being connected with first fag end and the second otic placode of being connected with the second fag end, and the correspondence of second otic placode sets up in the top of first otic placode.
Preferably, for the cup joint in the release of making things convenient for second fag end, the rope fastening includes the couple, the couple is fixed on connecting the otic placode through the shackle, and the opening part of its gib head has the sealing bullet tongue through the torsional spring is articulated to prevent that the second fag end is unexpected to unhook.
Preferably, in order to prevent the tail end of the pulling rope from tripping, an arched safety bend is arranged on the pulling rope between the two steel wire rope clamps arranged on the outermost side of the tail end of the first rope sleeve.
Preferably, in order to conveniently identify and distinguish the second rope sling corresponding to each tamping energy level, paint with different colors is respectively coated on the outer side of each second rope sling.
In addition, the invention also provides a construction method of the quick energy level changing mechanism of the dynamic compaction machine, which comprises the following steps:
firstly, determining the tamping energy level required by dynamic compaction construction and the tamping times corresponding to each tamping energy level according to a ground survey report provided by a survey unit and by combining a field trial tamping result;
step two, arranging a second rope sleeve at the corresponding position of the pull rope according to the tamping energy level determined in the step one, and arranging a rope buckle on the connecting lug plate;
thirdly, performing tamping construction according to the tamping energy level and the tamping times determined in the first step, and filling replacement materials into the tamping pits in time, wherein a second rope sleeve does not need to be sleeved at the rope buckle during construction of the maximum tamping energy level, and the second rope sleeve at the corresponding position needs to be sleeved on the rope buckle during construction of the rest tamping energy levels;
and step four, after the dynamic compaction construction of the current point location is finished, moving the dynamic compaction machine to other point locations, and repeating the operation of the step three until the dynamic compaction construction of all the point locations is finished.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, simple operation, strong practicability and low modification cost, can be used repeatedly, can quickly adjust the drop distance of the rammer by arranging the second rope sling and the rope fastener, realizes the quick conversion of different ramming energy levels, effectively shortens the time difference introduced by the adjustment mode of calculating the length of the steel wire rope and binding iron wires in the construction process of the dynamic compaction machine, only needs to sleeve and pick the second rope sling at the rope fastener when adjusting the ramming energy, and ensures the stability and safety of energy level conversion, thereby achieving the purposes of reducing cost, improving quality and improving efficiency.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
FIG. 1 is a schematic structural diagram of a dynamic compaction mechanical rapid energy level changing mechanism at a compaction energy level corresponding to 7000 KN.M in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a dynamic compaction mechanical rapid energy level changing mechanism at a compaction energy level corresponding to 6000 KN.M in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a dynamic compaction mechanical rapid energy level changing mechanism at a compaction energy level corresponding to 5000 KN.M in an embodiment of the invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at the location of the attachment ears;
FIG. 5 is a schematic view of the structure of FIG. 2 at the location of the attachment ears;
FIG. 6 is a schematic view of the structure of FIG. 3 at the location of the attachment ears;
FIG. 7 is a schematic structural diagram of a second rope socket of the dynamic compaction mechanical rapid energy level changing mechanism in the embodiment of the invention;
FIG. 8 is a schematic structural diagram of a shackle of a dynamic compaction mechanical rapid energy level change mechanism in an embodiment of the invention;
fig. 9 is a schematic structural diagram of a hook of a dynamic compaction mechanical rapid energy level change mechanism in the embodiment of the invention.
Reference numerals: 1-a frame, 2-an arm support, 3-a lifting mechanism, 4-a lifting steel wire rope, 5-a detacher, 6-a rammer, 7-a pull rope, 8-a first rope sleeve, 9-a second rope sleeve, 10-a first lug plate, 11-a second lug plate, 12-a shackle, 13-a hook and 14-a steel wire rope clip.
Detailed Description
Hereinafter, embodiments of a dynamic compaction mechanical rapid energy level changing mechanism and a construction method thereof according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "top", "bottom", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-9:
as shown in fig. 1-6, a preferred fast energy level changing mechanism for a dynamic compaction machine of the present invention comprises a connecting ear plate and a pulling rope 7, wherein the connecting ear plate comprises a first ear plate 10 and a second ear plate 11 welded and fixed on a frame 1 of the dynamic compaction machine from bottom to top, the pulling rope 7 is made of 1 # 20 steel wire rope, has no burr, broken filament and broken strand, the top end thereof is fixedly connected with a unhooking device 5, the bottom end thereof is fixed on the first ear plate 10 through a first rope sleeve 8 arranged at the tail end of the rope body, the lower section of the rope body is provided with two second rope sleeves 9 according to a designed interval, the outer sides of the two second rope sleeves 9 are respectively coated with paints with different colors, and the length of the rope body between the first rope sleeve 8 and the two second rope sleeves 9 is matched with a drop distance difference value of a ramming hammer 6 corresponding to a change of energy level of ramming energy level, in this embodiment, the ramming energy level of 7000 corresponding to the first rope sleeve 9 is knm, the drop distance of the rammer 6 is 21M, the outer side of the second rope sling 9 arranged below is coated with red paint, the corresponding ramming energy level is 6000 KN.M, the drop distance of the rammer 6 is 18M, the outer side of the second rope sling 9 arranged above is coated with green paint, the corresponding ramming energy level is 5000 KN.M, and the drop distance of the rammer 6 is 15M;
as shown in fig. 7, in order to prevent the rope sling from tripping, the first rope sling 8 and the second rope sling 9 are formed by folding a part of a rope body of a pulling rope 7 in half, the head of the folded section of the rope body forms a lantern ring of the first rope sling 8 or the second rope sling 9, the neck of the folded section of the rope body is fixedly connected with a plurality of steel wire rope clamps 14 arranged side by side, the steel wire rope clamps 14 adopt 20-number steel wire rope clamps 14, the steel wire rope clamps 14 for equipment are arranged according to the number of 3+1 to ensure the fixation, and an arched safety bend is arranged on the pulling rope 7 between the two steel wire rope clamps 14 arranged on the outermost side of the tail end of the first rope sling 8;
as shown in fig. 8-9, in order to facilitate the hooking or releasing of the second rope sling 9, the rope fastener includes a hook 13, the hook 13 is fixed on the second ear plate 11 through a shackle 12, and the opening of the hook head is hinged with a sealing spring tongue through a torsion spring.
In addition, the invention also provides a construction method of the quick energy level changing mechanism of the dynamic compaction machine, which comprises the following steps:
firstly, determining the tamping energy level required by dynamic compaction construction and the tamping times corresponding to each tamping energy level according to a ground survey report provided by a survey unit and by combining a field trial tamping result;
step two, arranging a second rope sleeve 9 at a position corresponding to the pull rope 7 according to the tamping energy level determined in the step one, and arranging a shackle 12 and a hook 13 on a second ear plate 11;
step three, carrying out tamping construction according to the determined tamping energy level and tamping times of the step one and filling and replacing materials into the tamping pits in time, wherein the second rope sleeve 9 is not required to be sleeved at the rope buckle part when the maximum tamping energy level corresponding to 7000 KN.M is constructed, the second rope sleeve 9 at the corresponding position is required to be hung on the hook head of the hook 13 in sequence when the tamping energy levels corresponding to 6000 KN.M and 5000 KN.M are constructed, during the concrete construction, the length of the pull rope 7 is adjusted and fixed according to the current tamping energy level, then the hook head 6 at the bottom of the detacher 5 is hooked to the tamping hammer 6, the hoisting steel wire rope 4 is wound along the arm frame 2 under the driving of the hoisting mechanism 3, when the tamping hammer 6 is hoisted to the preset height, the pull rope 7 is pulled straight, the detacher 5 is opened, the tamping hammer 6 is lowered to the tamping point in a free-falling state to be hooked to tamped, then the tamping hammer 6 is hoisted to the tamping point again, and the tamping hammer 6 is needed to be combined with the tamping data feedback on site, according to the elevation of the site before each point location is dynamically compacted, the expected filling depth is subtracted, and a soil layer with the thickness of 200mm is reserved, so that a rammer 6 is prevented from penetrating through a hard shell layer during the dynamic compaction construction, when the ramming amount after each ramming is larger than the value, filling is needed, and when the ramming amount of the last two continuous impacts is less than or equal to 300mm and the accumulated forklift feeding reaches 20 shovels, the rammer can be stopped;
and step four, after the dynamic compaction construction of the current point location is finished, moving the dynamic compaction machine to other point locations, and repeating the operation of the step three until the dynamic compaction construction of all the point locations is finished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The utility model provides a quick energy level mechanism that becomes of dynamic compaction machinery which characterized in that: including stay cord (7) and connection otic placode, stay cord (7) top links to each other with detacher (5) is fixed, and first rope sling (8) that its bottom set up through the rope body end are fixed on connecting the otic placode, and its rope body hypomere is provided with a plurality of second rope sling (9) according to the design interval, and rope length between first rope sling (8) and each second rope sling (9) and rammer (6) that corresponding rammer ability energy level change corresponds fall apart from the difference phase-match, it sets up on dynamic compactor frame (1) to connect the otic placode fixed, and still is provided with the cable loop that is used for articulating or releasing second rope sling (9) on connecting the otic placode.
2. The dynamic compaction mechanical rapid energy level changing mechanism according to claim 1, wherein: first rope sling (8) and second rope sling (9) all form through stay cord (7) local rope body fifty percent discount, and the head of rope body fifty percent discount section forms the lantern ring of first rope sling (8) or second rope sling (9), and the neck of rope body fifty percent discount section links to each other through steel wire rope card (14) that a plurality of set up side by side are fixed.
3. The dynamic mechanical rapid energy level changing mechanism according to claim 2, characterized in that: the first rope sling (8) or the second rope sling (9) is at least provided with four steel wire rope clamps (14).
4. The dynamic mechanical rapid energy level changing mechanism according to claim 1, characterized in that: the connection ear plate comprises a first ear plate (10) connected with the first rope sling (8) and a second ear plate (11) connected with the second rope sling (9), and the second ear plate (11) is correspondingly arranged above the first ear plate (10).
5. The dynamic mechanical rapid energy level changing mechanism according to claim 1, characterized in that: the rope fastener comprises a hook (13), the hook (13) is fixed on the connecting lug plate through a shackle (12), and the opening of the hook head is hinged with a sealing spring tongue through a torsion spring.
6. The dynamic mechanical rapid energy level changing mechanism according to claim 3, characterized in that: an arched safety bend is arranged on the pull rope (7) between the two steel wire rope clamps (14) arranged on the outermost side of the tail end of the first rope sleeve (8).
7. The dynamic mechanical rapid energy level changing mechanism according to claim 1, characterized in that: the outer sides of the second rope sleeves (9) are respectively coated with paint with different colors.
8. A construction method for use in the construction process of a dynamic compaction mechanical rapid energy level changing mechanism as claimed in any one of claims 1 to 7, which is characterized by comprising the following steps:
firstly, determining the tamping energy level required by dynamic compaction construction and the tamping times corresponding to each tamping energy level according to a ground survey report provided by a survey unit and by combining a field trial tamping result;
step two, arranging a second rope sleeve (9) at a position corresponding to the pull rope (7) according to the tamping energy level determined in the step one, and arranging a rope buckle on the connecting lug plate;
thirdly, performing tamping construction according to the tamping energy level and the tamping times determined in the first step, and filling replacement materials into the tamping pits in time, wherein a second rope sleeve (9) does not need to be sleeved at the rope buckle during construction of the maximum tamping energy level, and the second rope sleeve (9) at the corresponding position needs to be sleeved on the rope buckle during construction of the rest tamping energy levels;
and step four, after the dynamic compaction construction of the current point location is finished, moving the dynamic compaction machine to other point locations, and repeating the operation of the step three until the dynamic compaction construction of all the point locations is finished.
CN202210379820.0A 2022-04-12 2022-04-12 Dynamic compaction mechanical rapid energy level changing mechanism and construction method thereof Active CN114808913B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144704A (en) * 1998-11-13 2000-05-26 Jdc Corp Dynamic consolidation method and dynamic consolidation device
CN202247839U (en) * 2011-06-30 2012-05-30 江苏上骐集团有限公司 Rammer unhooking dynamic compactor
CN204454405U (en) * 2015-02-10 2015-07-08 中化岩土工程股份有限公司 Dynamic compaction machinery steel wire braking
CN110775848A (en) * 2019-11-12 2020-02-11 湖南博邦重工有限公司 Winch and dynamic compaction machine
CN110862039A (en) * 2019-11-12 2020-03-06 湖南博邦重工有限公司 Dynamic compaction machine control system
CN111747332A (en) * 2020-07-07 2020-10-09 辽宁抚挖重工机械股份有限公司 Hydraulic pressure rammer double-winch device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144704A (en) * 1998-11-13 2000-05-26 Jdc Corp Dynamic consolidation method and dynamic consolidation device
CN202247839U (en) * 2011-06-30 2012-05-30 江苏上骐集团有限公司 Rammer unhooking dynamic compactor
CN204454405U (en) * 2015-02-10 2015-07-08 中化岩土工程股份有限公司 Dynamic compaction machinery steel wire braking
CN110775848A (en) * 2019-11-12 2020-02-11 湖南博邦重工有限公司 Winch and dynamic compaction machine
CN110862039A (en) * 2019-11-12 2020-03-06 湖南博邦重工有限公司 Dynamic compaction machine control system
CN111747332A (en) * 2020-07-07 2020-10-09 辽宁抚挖重工机械股份有限公司 Hydraulic pressure rammer double-winch device

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