CN110284488B - Telescopic mechanism of vibroflotation gravel pile machine - Google Patents
Telescopic mechanism of vibroflotation gravel pile machine Download PDFInfo
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- CN110284488B CN110284488B CN201910640445.9A CN201910640445A CN110284488B CN 110284488 B CN110284488 B CN 110284488B CN 201910640445 A CN201910640445 A CN 201910640445A CN 110284488 B CN110284488 B CN 110284488B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/054—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil involving penetration of the soil, e.g. vibroflotation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a telescopic mechanism of a vibroflotation gravel pile machine, which comprises: the lower telescopic assembly comprises a plurality of first sleeves which are sequentially sleeved from inside to outside, the plurality of first sleeves comprise first inner sleeves, N first middle sleeves and first outer sleeves, and the bottom ends of the first inner sleeves are coaxially and fixedly connected with the tray; the upper telescopic assembly comprises a plurality of second sleeves which are sequentially sleeved from inside to outside, and the bottom ends of the second outer sleeves are connected with the top flange of the first outer sleeve, so that the upper telescopic assembly is fixedly arranged above the lower telescopic assembly; the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, and the (i + 1) th second sleeve part counted from outside to inside is positioned in the (i) th first sleeve counted from outside to inside. The invention has the beneficial effects of increasing the radial thickness of the whole telescopic mechanism after being prolonged and further enhancing the stability of the telescopic mechanism.
Description
Technical Field
The invention relates to the technical field of mechanical equipment. More specifically, the invention relates to a telescopic mechanism of a vibroflotation gravel pile machine.
Background
In recent years, with the development of engineering construction, particularly the development of sea filling engineering, and the high-standard environmental protection requirement, the demand of adopting the vibroflotation technology for the soil body with the non-drainage shear strength less than 20kPa is increasing. Under the condition of shallow vibroflotation within 20 meters, the purpose of engineering can be achieved by using a single guide rod (guide pipe), for the deeper vibroflotation of 30-40 meters, large-scale equipment is used, the purpose of engineering can be achieved by using a single lengthened guide rod, only the engineering cost is greatly increased, when the hole depth is more than 50 meters, if the single guide rod is continuously used, the engineering cost is difficult to bear, the potential safety hazard is sharply increased, and the only feasible scheme is to adopt a telescopic pipe technology to complete the vibroflotation gravel pile with the set depth.
The current telescopic link is mostly the multilayer sleeve pipe that cup joints in proper order from inside to outside and constitutes, sleeve pipe and a bottom sleeve pipe in the middle of including a top layer sleeve pipe, one or more, and a plurality of sleeve pipes slide in proper order and cup joint, and stability is short of, and how to increase telescopic link stability is the problem that needs the solution at present urgently.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide a telescoping mechanism of a vibroflotation gravel pile machine, which can increase the extended radial thickness of the entire telescoping mechanism, thereby enhancing the stability of the telescoping mechanism.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a telescopic mechanism of a vibro-replacement pile machine, including:
the lower telescopic assembly comprises a plurality of first sleeves which are sequentially sleeved from inside to outside, the bottom ends of the first sleeves, positioned outside any two adjacent first sleeves, are inwards contracted to form an annular first supporting plate, and the top ends of the first sleeves, positioned inside the first sleeves, extend outwards to form an annular first hanging plate so as to enable any two adjacent first sleeves to be positioned in a sliding mode;
the upper telescopic assembly comprises a plurality of second sleeves which are sequentially sleeved from inside to outside, the plurality of second sleeves comprise a second inner sleeve, N +1 second middle sleeves and a second outer sleeve, the bottom ends of the pipe bodies, positioned at the outer parts of the innermost second middle sleeves and the second inner sleeve, of any two adjacent second middle sleeves are inwards shrunk to form an annular second supporting plate, and the top ends of the pipe bodies positioned inside are outwards extended to form an annular second hanging plate, so that the sliding positioning is performed between any two adjacent second middle sleeves and between the innermost second middle sleeves and the second inner sleeve, and the bottom ends of the second outer sleeves are connected with the top end of the first outer sleeve through flanges, so that the upper telescopic assembly is fixedly arranged above the lower telescopic assembly;
the projection of the bottom end of the ith second sleeve from outside to inside is overlapped with the top end of the ith first sleeve from outside to inside, and the outer radius of the second inner sleeve is slightly smaller than the inner radius of the first inner sleeve;
the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, and the (i + 1) th second sleeve part counted from outside to inside is positioned in the (i) th first sleeve counted from outside to inside.
Preferably, the top end of the first outer sleeve extends outwards to form a lower flange seat, the bottom end of the second outer sleeve extends outwards to form an upper flange seat matched with the lower flange seat, and the bottom end of the second outer sleeve is connected with the top end of the first outer sleeve in a flange mode.
Preferably, the tray is in a step shape which is sequentially increased from outside to inside along the radial direction and corresponds to the first sleeves one by one, the step which is positioned at the uppermost end is fixedly connected with the bottom ends of the first inner sleeves, and the bottom ends of the first sleeves of any two adjacent first sleeves which are positioned inside are lower than the top surface of the first supporting plate of the first sleeve which is positioned outside.
Preferably, the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, the bottom end of the (i + 1) th second sleeve counted from outside to inside is abutted to the top end of the (i + 1) th first sleeve counted from outside to inside, and the bottom end of the second inner sleeve is contacted with the bottom end of the first inner sleeve.
Preferably, the N +1 second middle sleeves comprise N sliding tubes and limiting tubes arranged from inside to outside, the height ratio of the second supporting plate of each limiting tube to the height of each limiting tube is 1:2, and the lengths of the first sleeve and the second sleeve are as follows: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, and the distance from the bottom end of the (i + 2) th second sleeve pipe from outside to inside to the middle of the (i + 1) th first sleeve pipe from outside to inside.
Preferably, the thicknesses of the first sleeve, the second inner sleeve and the second middle sleeve are equal, and the ratio of the thickness of the second outer sleeve to the thickness of the first sleeve is 2: 1.
The invention at least comprises the following beneficial effects:
first, through last telescopic component cooperation rigid coupling in the lower telescopic component of its below, telescopic component space synchronous extension under the utilization when telescopic component extension down, and then under the condition that does not change telescopic machanism periphery thickness, length, radial thickness after the whole telescopic machanism extension of reinforcing, and then reinforcing telescopic machanism's stability.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a vibroflotation gravel pile machine according to one technical scheme of the invention;
fig. 2 is a schematic structural diagram of a telescoping mechanism of the vibroflotation gravel pile machine according to one technical scheme of the invention;
fig. 3 is a schematic structural diagram of a telescoping mechanism of the vibroflotation gravel pile machine according to one technical scheme of the invention;
fig. 4 is a schematic structural diagram of a telescoping mechanism of the vibroflotation gravel pile machine according to one technical scheme of the invention.
The reference signs are: a lower telescopic assembly 1; a first inner jacket tube 10; a first middle sleeve 11; a first outer sleeve 12; a first pallet 20; a first hanging plate 21; a tray 3; an upper telescopic assembly 4; a second inner sleeve 40; a second middle sleeve 41; a sliding tube 410; a limiting tube 411; a second outer sleeve 42; a second fascia 50; a second hanging plate 51; a lower flange seat 60; an upper flange seat 61; a crane system 7; an automatic feed system 8; a vibroflot system 9.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1-4, the present invention provides a telescopic mechanism of a vibroflotation gravel pile machine, comprising:
the lower telescopic assembly 1 comprises a plurality of first sleeves which are sequentially sleeved from inside to outside, the bottom ends of the first sleeves of any two adjacent first sleeves, which are positioned outside, are inwards shrunk to form an annular first supporting plate 20 (the bottom ends of the first sleeves are flush with the bottom end of the first supporting plate 20 above the first sleeves), the top ends of the first sleeves, which are positioned inside, extend outwards to form an annular first hanging plate 21 (the top ends of the first sleeves are flush with the top end of the first hanging plate 21 above the first sleeves), when the two adjacent first sleeves slide to the longest relatively, the top ends of the first supporting plate 20 are abutted with the bottom end of the first hanging plate 21 so as to enable the two adjacent first sleeves to be positioned in a sliding manner, the first sleeves comprise a first inner sleeve 10, N first middle sleeves 11 (the N first middle sleeves 11 are sleeved from inside to outside, N is not less than 1) and a first outer sleeve 12 from inside to outside, wherein the bottom ends of the first inner sleeve 10 are coaxially and fixedly connected with a tray 3, the axis of the first inner sleeve 10 is vertical to the tray 3, the peripheral radius of the tray 3 is not smaller than that of the first outer sleeve 12, when the lower telescopic assembly 1 is telescopic to the shortest, the top ends of the first sleeves are flat, and the bottom ends of the N first middle sleeves 11 and the first outer sleeve 12 are abutted to the tray 3 so as to be supported by the tray 3;
the upper telescopic assembly 4 comprises a plurality of second sleeves which are sequentially sleeved from inside to outside, the plurality of second sleeves comprise a second inner sleeve 40, N +1 second middle sleeves 41 (the N +1 second middle sleeves 41 are sleeved from inside to outside), and a second outer sleeve 42 from inside to outside, the bottom ends of the tubes (second sleeves) positioned at the outer part in any two adjacent second middle sleeves 41, the innermost second middle sleeve 41 and the second inner sleeve 40 are inwards contracted to form an annular second supporting plate 50 (the bottom ends of the tubes are flush with the bottom end of the second supporting plate 50 thereon), the top ends of the tubes positioned at the inner part are outwards extended to form an annular second hanging plate 51 (the top ends of the tubes are flush with the top end of the first hanging plate 21 thereon), when the two adjacent second sleeves slide to the longest relatively, the top ends of the second supporting plate 50 and the bottom ends of the second hanging plate 51 are abutted, so that any two adjacent second middle sleeves 41 are positioned by sliding through the second supporting plate 50 and the second scraper plates, the second middle sleeve 41 and the second inner sleeve 40 which are positioned at the innermost positions are positioned in a sliding mode through a second supporting plate 50 and a second scraper, and the bottom end of the second outer sleeve 42 is connected with the top end of the first outer sleeve 12 in a flange mode, so that the upper telescopic assembly 4 is coaxially and fixedly arranged above the lower telescopic assembly 1;
the projection of the bottom end of the ith second sleeve from outside to inside is overlapped with the top end of the ith first sleeve from outside to inside, the outer radius of the second inner sleeve 40 is slightly smaller than the inner radius of the first inner sleeve 10, wherein i is larger than or equal to 1, so that when the ith first sleeve from outside to inside moves downwards, the top space of the ith second sleeve from outside to inside can be used for enabling the ith second sleeve from outside to inside to move downwards under the action of gravity;
the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly 1 is lengthened to the longest, the upper telescopic assembly 4 is lengthened to the longest, and the (i + 1) th second sleeve part from outside to inside is positioned in the (i) th first sleeve part from outside to inside.
In the above technical scheme, the vibroflotation gravel pile machine comprises a crane system 7, an automatic feeding system 8, a telescopic mechanism, a vibroflotation device system 9 and the like, wherein the bottom end of a tray 3 of the telescopic mechanism is connected with a transition joint, the tray 3 is connected with the vibroflotation device through the transition joint so that the vibroflotation device is connected with the bottom end of the telescopic mechanism, the automatic feeding system 8 comprises two sets of steel wire rope winding devices, one set of the steel wire rope winding devices is connected with the bottom end of a first inner sleeve 10 of a lower telescopic component 1 and is used for controlling the extension and retraction of the lower telescopic component 1, the other set of the steel wire rope winding devices is connected with a second inner sleeve 40 of an upper telescopic component 4 and is used for controlling the extension and retraction of the upper telescopic component 4, the vibroflotation gravel pile is installed in the using process, when the length of the telescopic mechanism needs to be extended, the steel wire rope winding devices of the automatic feeding system 8, the upper telescopic assembly 4 is synchronously extended to the longest length limited by the lower telescopic assembly 1 according to the length of the lower telescopic assembly 1; by adopting the technical scheme, the upper telescopic assembly 4 is matched with the lower telescopic assembly 1 fixedly connected below the upper telescopic assembly, the space of the lower telescopic assembly 1 is synchronously prolonged while the lower telescopic assembly 1 is prolonged, the radial thickness of the whole telescopic mechanism after being prolonged is enhanced under the condition of not changing the peripheral thickness and the length of the telescopic mechanism, and the stability of the telescopic mechanism is further enhanced.
In another technical solution, the top end of the first outer sleeve 12 extends outward to form a lower flange seat 60, the bottom end of the second outer sleeve 42 extends outward to form an upper flange seat 61 matching with the lower flange seat 60, the upper flange seat 61 and the lower flange seat 60 are connected by a flange, and the bottom end of the second outer sleeve 42 is connected by a flange with the top end of the first outer sleeve 12.
In another technical scheme, the tray 3 is in a step shape which is sequentially increased from outside to inside along the radial direction, the tray 3 is provided with steps which are in one-to-one correspondence with the first sleeves, the step positioned at the uppermost end is fixedly connected with the bottom ends of the first inner sleeves 10, and the bottom end of the first sleeve positioned inside any two adjacent first sleeves is lower than the top surface of the first supporting plate 20 positioned outside the first sleeve. Adopt this kind of scheme, improve tray 3 and accept stability, improve two adjacent first sleeve sliding stability.
In another technical scheme, the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly 1 is prolonged to the longest, the upper telescopic assembly 4 is prolonged to the longest, the bottom end of the (i + 1) th second sleeve counted from outside to inside is abutted to the top end of the (i + 1) th first sleeve counted from outside to inside, and the bottom end of the second inner sleeve 40 is contacted with the bottom end of the first inner sleeve 10. Adopt this kind of scheme, first sleeve and the synchronous slip laminating setting of second sleeve further strengthen the device steadiness.
In another technical scheme, the N +1 second middle sleeves 41 include N sliding tubes 410 and limiting tubes 411 arranged from inside to outside, a ratio of a height of the second supporting plate 50 of the limiting tubes 411 to a height of the limiting tubes 411 is 1:2, and lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly 1 is prolonged to the longest, the upper telescopic assembly 4 is prolonged to the longest, and the distance from the bottom end of the (i + 2) th second sleeve pipe from outside to inside to the middle of the (i + 1) th first sleeve pipe from outside to inside. Adopt this kind of scheme, make and work as flexible subassembly 1 prolongs to the longest down, just go up flexible subassembly 4 and prolong to the longest, the activity butt department of two adjacent first sleeves is kept away from with the activity butt department of two adjacent second sleeves, improves the steadiness of telescopic machanism activity butt department, and strengthens telescopic machanism's slip direction effect.
In another technical solution, the thicknesses of the first sleeve, the second inner sleeve 40 and the second middle sleeve 41 are equal, and the ratio of the thickness of the second outer sleeve 42 to the thickness of the first sleeve is 2: 1. By adopting the scheme, the overall strength of the telescopic mechanism is improved.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the telescopic mechanism of the vibro-replacement pile machine of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. The telescopic machanism of the rubble stake machine of shaking towards, its characterized in that includes:
the lower telescopic assembly comprises a plurality of first sleeves which are sequentially sleeved from inside to outside, the bottom ends of the first sleeves, positioned outside any two adjacent first sleeves, are inwards contracted to form an annular first supporting plate, and the top ends of the first sleeves, positioned inside the first sleeves, extend outwards to form an annular first hanging plate so as to enable any two adjacent first sleeves to be positioned in a sliding mode;
the upper telescopic assembly comprises a plurality of second sleeves which are sequentially sleeved from inside to outside, the plurality of second sleeves comprise a second inner sleeve, N +1 second middle sleeves and a second outer sleeve, the bottom ends of the second middle sleeves positioned at the innermost part and the second inner sleeves positioned at the outer part in any two adjacent second middle sleeves are inwards shrunk to form an annular second supporting plate, the top ends of the second sleeves positioned in the two adjacent second middle sleeves are outwards extended to form an annular second hanging plate, so that the second middle sleeves positioned at the innermost part and the second inner sleeves are positioned in a sliding mode, and the bottom ends of the second outer sleeves are connected with the top end of the first outer sleeve in a flange mode, so that the upper telescopic assembly is fixedly arranged above the lower telescopic assembly;
the projection of the bottom end of the ith second sleeve from outside to inside is overlapped with the top end of the ith first sleeve from outside to inside, and the outer radius of the second inner sleeve is slightly smaller than the inner radius of the first inner sleeve;
the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, and the (i + 1) th second sleeve part counted from outside to inside is positioned in the (i) th first sleeve counted from outside to inside.
2. A telescopic mechanism of a vibro-replacement pile machine as claimed in claim 1, wherein the top end of said first outer sleeve extends outwardly to form a lower flange seat, and the bottom end of said second outer sleeve extends outwardly to form an upper flange seat matching with said lower flange seat, so that the bottom end of said second outer sleeve is flanged with the top end of said first outer sleeve.
3. The telescopic mechanism of the vibro-replacement stone pile machine as claimed in claim 1, wherein the tray is in a step shape which is sequentially heightened from outside to inside along the radial direction and corresponds to the first sleeves one by one, the step at the uppermost end is fixedly connected with the bottom ends of the first inner sleeves, and the bottom ends of the first sleeves of any two adjacent first sleeves are lower than the top surface of the first supporting plate of the first sleeve at the outer part.
4. The telescoping mechanism of a vibro-replacement pile driver as claimed in claim 1, wherein the first sleeve and the second sleeve are of a length set to: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, the bottom end of the (i + 1) th second sleeve counted from outside to inside is abutted to the top end of the (i + 1) th first sleeve counted from outside to inside, and the bottom end of the second inner sleeve is contacted with the bottom end of the first inner sleeve.
5. The telescopic mechanism of the vibro-replacement stone pile machine as claimed in claim 1, wherein the N +1 second middle sleeves comprise N sliding tubes and limiting tubes arranged from inside to outside, the ratio of the height of the second supporting plate of the limiting tube to the height of the limiting tube is 1:2, and the lengths of the first sleeve and the second sleeve are set as follows: when the lower telescopic assembly is prolonged to the longest, the upper telescopic assembly is prolonged to the longest, and the bottom end of the (i + 2) th second sleeve counted from outside to inside is positioned in the middle of the (i + 1) th first sleeve counted from outside to inside.
6. The telescopic mechanism of the vibro-replacement pile machine as claimed in claim 1, wherein the thicknesses of the first sleeve, the second inner sleeve and the second middle sleeve are equal, and the ratio of the thickness of the second outer sleeve to the thickness of the first sleeve is 2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640445.9A CN110284488B (en) | 2019-07-16 | 2019-07-16 | Telescopic mechanism of vibroflotation gravel pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640445.9A CN110284488B (en) | 2019-07-16 | 2019-07-16 | Telescopic mechanism of vibroflotation gravel pile machine |
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| Publication Number | Publication Date |
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| CN110284488A CN110284488A (en) | 2019-09-27 |
| CN110284488B true CN110284488B (en) | 2020-11-24 |
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| CN201910640445.9A Active CN110284488B (en) | 2019-07-16 | 2019-07-16 | Telescopic mechanism of vibroflotation gravel pile machine |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174716B (en) * | 2013-01-17 | 2015-03-25 | 何文波 | Multi-level freely telescopic rod |
| SG11201610037QA (en) * | 2014-06-03 | 2017-01-27 | Keller Holding Gmbh | Depth vibrator pipe assembly |
| CN104329032B (en) * | 2014-09-23 | 2016-06-08 | 中国石油集团渤海钻探工程有限公司 | Double layer continuous oil pipe extension adapter |
| CN204252112U (en) * | 2014-11-13 | 2015-04-08 | 中国水电基础局有限公司 | The flexible guide rod of vibro replacement stone column machine |
| WO2018052404A1 (en) * | 2016-09-14 | 2018-03-22 | Halliburton Energy Services, Inc. | Wellbore isolation device with telescoping setting system |
| CN108716941B (en) * | 2018-06-21 | 2024-02-02 | 迈格仪表(成都)有限公司 | Magnetostrictive multi-parameter measuring transmitter |
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