CN114934498B - Collapsible loess deep presoaking dynamic compaction device - Google Patents
Collapsible loess deep presoaking dynamic compaction device Download PDFInfo
- Publication number
- CN114934498B CN114934498B CN202210773932.4A CN202210773932A CN114934498B CN 114934498 B CN114934498 B CN 114934498B CN 202210773932 A CN202210773932 A CN 202210773932A CN 114934498 B CN114934498 B CN 114934498B
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- China
- Prior art keywords
- rammer
- counterweight
- loess
- deep
- sliding
- Prior art date
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- 238000005056 compaction Methods 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000938 luteal effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Landscapes
- 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a collapsible loess deep pre-soaking dynamic compaction device, and relates to the technical field of foundation compaction. The invention comprises a counterweight rammer, wherein a fixed seat is arranged at the top of the counterweight rammer, a lifting hook is fixedly arranged at the upper end of the fixed seat, four groups of elastic devices are arranged on the bottom surface of the counterweight rammer, rammers are arranged below the counterweight rammer through the elastic devices, side mounting seats are symmetrically arranged on the two side surfaces of the counterweight rammer, sliding holes penetrate through the inside of the side mounting seats, a pressing rod is inserted in the sliding holes in a sliding manner, and a drilling device is arranged at the bottom of the pressing rod. According to the invention, the counterweight ramming block is used for downwards pressing the compression bar to be inserted into the loess, and meanwhile, the drilling device is used for pre-drilling the deep hole in the loess, so that the main water pipe is conveniently inserted into the loess for water injection, and the loess deep is subjected to pre-soaking treatment, so that the water body in the loess deep is in a saturated state, and the loess dishing condition can be relieved.
Description
Technical Field
The invention relates to the technical field of foundation tamping, in particular to a collapsible loess deep pre-soaking dynamic compaction device.
Background
Collapsible loess means soil containing a large amount of moisture unsaturated inside, which is easily sunk and dented when being pressed by heavy pressure, thereby easily damaging the surface of the building. In order to fundamentally solve such problems, it is necessary to pre-fill the deep loess and tamp it; in the link of pre-water injection, the deep loess needs to be drilled in advance so that the water injection pipe is inserted into the deep loess, and the effect of drilling can not be realized by the traditional soil tamping equipment, so that the requirement of loess foundation treatment is not met.
Disclosure of Invention
The invention aims to provide a collapsible loess deep pre-soaking dynamic compaction device which is simple in structure and convenient to operate, and can achieve deep luteal perforation effect so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a collapsible loess deep presoaking dynamic compaction device, including the counter weight rammer, the fixing base is installed at counter weight rammer top, the upper end fixed mounting of fixing base has the lifting hook, counter weight rammer bottom surface is provided with four sets of spring devices, counter weight rammer below is provided with the ram through spring devices, the side mount pad is installed to counter weight rammer's both sides surface symmetry, the inside sliding hole that runs through of side mount pad has been opened, the inside slip of sliding hole is inserted and is equipped with down the depression bar, the bottom of depression bar is provided with drilling equipment down, the inside joint device that is used for pressing down the depression bar fixed that is located sliding hole one side of side mount pad.
Further, the top of the lower pressure rod is fixedly provided with a limiting disc, and the outer diameter of the limiting disc is larger than the inner diameter of the sliding hole.
Further, the clamping device comprises a mounting groove which is formed in the outer side surface of the side mounting seat, a through groove which is communicated with the sliding hole in a penetrating mode is formed in the inner end wall of the mounting groove, an electric telescopic rod is fixedly mounted in the mounting groove, and a U-shaped clamping rod is fixedly mounted at the end portion of the telescopic end of the electric telescopic rod, which is located in the through groove.
Further, two groups of clamping holes are formed in the outer surface of the lower pressure rod, and the two groups of clamping holes are correspondingly matched with the two end parts of the U-shaped clamping rod in an inserting mode.
Further, the spring device is including seting up in the bottom hole of counter weight rammer piece bottom surface, and the hole has all been setted up to the roof in the bottom hole, and the inside slidable mounting that runs through of bottom hole has the support column, and the tip that the support column is located the hole is equal fixed mounting to have the connection pad, and the spring is all installed to the connection pad upper surface, and the spring tip corresponds fixed connection in the roof in the hole, rammer fixed mounting in the lower tip department of support column.
Further, four side surfaces of the fixing seat are fixedly provided with auxiliary strong plates, the bottoms of the auxiliary strong plates are fixedly welded to the top surfaces of the counterweight rammer blocks, and the auxiliary strong plates are triangular.
Compared with the prior art, the invention has the following beneficial effects:
1. the device can be with the firm installation of depression bar inside the sliding hole down through the joint device, through the counter weight ram down the depression bar, insert to loess inside, simultaneously through drilling device's work, can drill out the deep hole in advance in loess depths, be convenient for main water pipe inserts to loess depths and carry out the water injection, carries out the pre-soaking treatment to loess depths, can make the water of loess depths be in saturated state to be favorable to alleviating the sunken condition of loess, not only play certain cushioning effect through the spring device simultaneously, also can strengthen the effect of basic unit ramming.
2. When the balance weight rammer descends and the bottom of the rammer contacts the ground to extrude, the rammer can tamp loess on the surface, the support column moves the compression spring back to the inner hole to play a certain buffering effect, and meanwhile, under the inertia effect of the balance weight rammer, the balance weight rammer can continuously tamp the loess base layer when the spring is compressed to the limit position, so that the tamping effect of the base layer is enhanced.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a side mount according to the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the spring device of the present invention.
In the figure: 1. a counterweight rammer block; 2. a fixing seat; 201. a lifting hook; 202. an auxiliary reinforcing plate; 3. a rammer; 4. a side mount; 401. a sliding hole; 5. pressing down a rod; 501. a limiting disc; 502. a clamping hole; 6. a mounting groove; 601. a through groove; 602. an electric telescopic rod; 603. a U-shaped clamping rod; 7. a bottom hole; 701. an inner bore; 702. a support column; 703. a connecting disc; 704. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a collapsible loess deep pre-soaking dynamic compaction device comprises a counterweight compaction block 1, wherein a fixing seat 2 is arranged at the top of the counterweight compaction block 1, a lifting hook 201 is fixedly arranged at the upper end part of the fixing seat 2, four groups of elastic pressing devices are arranged on the bottom surface of the counterweight compaction block 1, a compaction plate 3 is arranged below the counterweight compaction block 1 through the elastic pressing devices, side mounting seats 4 are symmetrically arranged on the two side surfaces of the counterweight compaction block 1, sliding holes 401 penetrate through the inside of the side mounting seats 4, a pressing rod 5 is inserted in the sliding holes 401 in a sliding manner, a drilling device is arranged at the bottom of the pressing rod 5, and a clamping device used for fixing the pressing rod 5 is arranged on one side of the sliding holes 401 inside the side mounting seats 4;
specifically, the top end of the pressing rod 5 is fixedly provided with a limiting disc 501, the outer diameter of the limiting disc 501 is larger than the inner diameter of the sliding hole 401, after the pressing rod 5 is inserted into the sliding hole 401, the counterweight rammer 1 is slowly lifted by the crane, the pressing rod 5 slides relatively to the sliding hole 401, and finally the bottom of the limiting disc 501 is attached to the upper surface of the side mounting seat 4, so that a certain limiting effect is achieved, and the pressing rod 5 can be prevented from falling out of the bottom of the sliding hole 401;
specifically, the clamping device comprises a mounting groove 6 arranged on the outer side surface of the side mounting seat 4, a through groove 601 penetrating and communicating with the sliding hole 401 is arranged on the inner end wall of the mounting groove 6, an electric telescopic rod 602 is fixedly arranged in the mounting groove 6, and a U-shaped clamping rod 603 is fixedly arranged at the end part of the telescopic end of the electric telescopic rod 602 in the through groove 601;
two groups of clamping holes 502 are formed in the outer surface of the lower pressure rod 5, and the two groups of clamping holes 502 are correspondingly matched with the two end parts of the U-shaped clamping rod 603 in a plugging manner;
in this device, when lower depression bar 5 inserts to the inside of sliding hole 401 completely, electric telescopic handle 602 extension work, and its output end tip will promote U type clamping lever 603 to be close to the direction removal of lower depression bar 5, and finally two tip alignment respectively insert to the inside of joint hole 502 of U type clamping lever 603, can fix the firm joint of joint hole 502 inside sliding hole 401, the drilling of being convenient for.
Specifically, the spring device includes the bottom hole 7 of seting up in the bottom surface of counter weight rammer 1, the hole 701 has all been setted up to the roof in the bottom hole 7, the inside slidable mounting that runs through of bottom hole 7 has support column 702, the tip that support column 702 is located in hole 701 is all fixed mounting, spring 704 is all installed to the upper surface of connection tray 703, and spring 704 tip corresponds fixed connection in the roof in hole 701, rammer 3 fixed mounting is in the lower tip department of support column 702, when counter weight rammer 1 descends while rammer 3 bottom produces the extrusion in contact with the ground, firstly, rammer 3 can tamp loess on the surface, support column 702 will compress spring 704 and move back to the inside of hole 701, play certain cushioning effect, simultaneously under the inertial action of counter weight rammer 1, when spring 704 is compressed to extreme position, counter weight rammer 1 can continue to compress rammer 3 down, thereby can further tamp the loess basic unit, the effect of basic unit is strengthened;
specifically, four side surfaces of fixing base 2 all fixed mounting have assist strong board 202, and assist strong board 202 bottom all fixed welding in the top surface of counter weight rammer 1, and assist strong board 202 all to be the triangle-shaped, assist strong board 202 through the triangle-shaped, improved the atress effect around the fixing base 2, when the crane is with the whole hoist of counter weight rammer 1, can bear the great gravity of counter weight rammer 1.
The drilling device in the device consists of a driving structure and a drill bit, wherein the driving structure is arranged at the bottom of the pressing rod 5, the drill bit is driven to rotate through the driving structure, and then the pressing effect of the counterweight rammer block 1 and the rammer plate 3 is matched, so that the step of drilling can be completed.
Working principle: the device is characterized in that a hook of a lifting machine is connected with a lifting hook 201, a lower pressure rod 5 is aligned and inserted into a sliding hole 401, a counterweight ramming block 1 is slowly lifted by the lifting machine, the lower pressure rod 5 relatively slides with the sliding hole 401, the bottom of a limiting disc 501 is attached to the upper surface of a side mounting seat 4, a certain limiting effect is achieved, the lower pressure rod 5 is prevented from falling out of the bottom of the sliding hole 401, meanwhile, an electric telescopic rod 602 stretches, an output end part of the electric telescopic rod stretches to push a U-shaped clamping rod 603 to move in a direction close to the lower pressure rod 5, two end parts of the U-shaped clamping rod 603 are aligned and inserted into the clamping hole 502 respectively, firm clamping and fixing of the clamping hole 502 are achieved in the sliding hole 401, the counterweight ramming block 1 is slowly lowered by the lifting machine, the lower pressure rod 5 is inserted into loess, deep holes can be drilled in advance through the work of a drilling device, a main water pipe is conveniently inserted into the deep loess, pre-immersed in the deep loess is well, the deep loess is in a saturated state, and the deep loess water is well is facilitated to be relieved;
in the process of tamping soil, the lower compression bar 5 is taken out from the interior of the sliding hole 401, then the counterweight tamping block 1 is lifted by the crane, the counterweight tamping block 1 is quickly released, the counterweight tamping block 1 falls to the ground under the action of gravity, the generated impact force is used for tamping a ground base layer, the above process is repeated, meanwhile, when the counterweight tamping block 1 descends and the bottom of the tamping plate 3 is in contact with the ground to generate extrusion, the tamping plate 3 can firstly tamp loess on the surface, the supporting column 702 compresses the compression spring 704 and moves back to the interior of the inner hole 701 to play a certain buffering effect, and meanwhile, under the inertia effect of the counterweight tamping block 1, when the spring 704 is compressed to a limiting position, the counterweight tamping block 1 can continuously tamp the loess base layer, so that the tamping effect of the base layer is further enhanced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a collapsible loess deep presoaking dynamic compaction device, includes counter weight rammer block (1), its characterized in that: the automatic counterweight rammer is characterized in that a fixing seat (2) is arranged at the top of the counterweight rammer block (1), a lifting hook (201) is fixedly arranged at the upper end of the fixing seat (2), a rammer plate (3) is arranged below the counterweight rammer block (1) through a spring device, side mounting seats (4) are symmetrically arranged on the surfaces of two sides of the counterweight rammer block (1), sliding holes (401) are formed in the side mounting seats (4) in a penetrating manner, a pressing rod (5) is inserted in the sliding holes (401) in a sliding manner, a drilling device is arranged at the bottom of the pressing rod (5), and a clamping device used for fixing the pressing rod (5) is arranged on one side of the sliding holes (401) in the side mounting seats (4); the spring device comprises a bottom hole (7) formed in the bottom surface of a counterweight rammer block (1), inner holes (701) are formed in the inner top wall of the bottom hole (7), support columns (702) are installed inside the bottom hole (7) in a penetrating and sliding mode, connecting discs (703) are fixedly installed at the end portions of the support columns (702) located in the inner holes (701), springs (704) are installed on the upper surface of the connecting discs (703), the end portions of the springs (704) are correspondingly and fixedly connected to the inner top wall of the inner holes (701), and rammer plates (3) are fixedly installed at the lower end portions of the support columns (702).
2. The collapsible loess deep pre-soaking dynamic compaction device according to claim 1, wherein: the top end of the pressing rod (5) is fixedly provided with a limiting disc (501), and the outer diameter of the limiting disc (501) is larger than the inner diameter of the sliding hole (401).
3. The collapsible loess deep pre-soaking dynamic compaction device according to claim 1, wherein: the clamping device comprises a mounting groove (6) formed in the outer side surface of the side mounting seat (4), a through groove (601) communicated with the sliding hole (401) is formed in the inner end wall of the mounting groove (6), an electric telescopic rod (602) is fixedly mounted in the mounting groove (6), and a U-shaped clamping rod (603) is fixedly mounted at the end part of the telescopic end of the electric telescopic rod (602) located in the through groove (601).
4. The collapsible loess deep pre-soaking dynamic compaction device as set forth in claim 3, wherein: two groups of clamping holes (502) are formed in the outer surface of the pressing rod (5), and the two groups of clamping holes (502) are correspondingly in plug-in fit with two end parts of the U-shaped clamping rod (603).
5. The collapsible loess deep pre-soaking dynamic compaction device according to claim 1, wherein: four side surfaces of fixing base (2) are all fixed mounting and are assisted strong board (202), and assist strong board (202) bottom all fixed welding in the top surface of counter weight rammer block (1), and assist strong board (202) all to be the triangle-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773932.4A CN114934498B (en) | 2022-07-01 | 2022-07-01 | Collapsible loess deep presoaking dynamic compaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773932.4A CN114934498B (en) | 2022-07-01 | 2022-07-01 | Collapsible loess deep presoaking dynamic compaction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114934498A CN114934498A (en) | 2022-08-23 |
| CN114934498B true CN114934498B (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210773932.4A Active CN114934498B (en) | 2022-07-01 | 2022-07-01 | Collapsible loess deep presoaking dynamic compaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114934498B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149673A (en) * | 2015-10-28 | 2016-11-23 | 席宁中 | Soak heavy-tamping method in advance in collapsible loess deep |
| CN210341876U (en) * | 2019-05-17 | 2020-04-17 | 连云港港务工程建设有限公司 | A kind of engineering foundation pre-soaking water compactor equipment |
| CN213114594U (en) * | 2020-09-13 | 2021-05-04 | 安徽新华学院 | Foundation tamping device for civil construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1404943B1 (en) * | 2010-06-14 | 2013-12-09 | Soilmec Spa | DEVICE AND METHOD OF PERFORATION IN CONSTITUTION OF SOIL. |
-
2022
- 2022-07-01 CN CN202210773932.4A patent/CN114934498B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149673A (en) * | 2015-10-28 | 2016-11-23 | 席宁中 | Soak heavy-tamping method in advance in collapsible loess deep |
| CN210341876U (en) * | 2019-05-17 | 2020-04-17 | 连云港港务工程建设有限公司 | A kind of engineering foundation pre-soaking water compactor equipment |
| CN213114594U (en) * | 2020-09-13 | 2021-05-04 | 安徽新华学院 | Foundation tamping device for civil construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114934498A (en) | 2022-08-23 |
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