CN115369851A - Building engineering foundation tamping device - Google Patents
Building engineering foundation tamping device Download PDFInfo
- Publication number
- CN115369851A CN115369851A CN202211159022.3A CN202211159022A CN115369851A CN 115369851 A CN115369851 A CN 115369851A CN 202211159022 A CN202211159022 A CN 202211159022A CN 115369851 A CN115369851 A CN 115369851A
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- heavy hammer
- rammer
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- ground
- tamping
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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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)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to the technical field of constructional engineering and discloses a constructional engineering foundation tamping device which comprises a body, an energy accumulator, an oil cylinder and a base, wherein the energy accumulator is fixedly arranged inside the body, one end of the oil cylinder is hinged to the inner top wall of the body, the base is connected with the bottom of the body through a stud, a guide pillar is arranged on the upper surface of the base, a positioning sleeve is fixedly arranged on the inner side wall of the body and sleeved at one end, far away from the base, of the guide pillar, and a first heavy hammer, a third heavy hammer and a sliding sleeve are sequentially installed on the peripheral surface of the guide pillar from top to bottom in a sliding mode. This building engineering ground tamp device, through the components of a whole that can function independently design of first weight, third weight and second weight for tamp board and rammer post receive striking many times when ramming the ground, through the cooperation setting of rammer post and rammer board, can change the lifting surface area of ground, can be to the abundant ramming of ground, the components of a whole that can function independently design of rammer post and rammer board simultaneously, can make the stress that ground received fully downwards when the ground tamps, can strengthen the rammer effect.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a constructional engineering foundation tamping device.
Background
The foundation is a component of a building, is in direct contact with the soil layer, bears the load brought by the walls and columns of the house and is self-retransmitted to the soil layer. The soil layer under the foundation that bears the entire load of the building is called the foundation. In order to ensure the stability and safety of the house, the pressure transmitted to the foundation by the foundation must be ensured not to exceed the allowable bearing capacity of the foundation. Insufficient foundation strength or uneven sinking of the foundation can cause cracking and tilting of the building structure. The bearing capacity of the natural soil layer foundation is low in price, and when the upper load is large, the bearing capacity of the foundation can be improved through methods of reinforcement, piling and the like.
For example, the publication number is CN108560529B, which discloses a longitudinal tamping device for a building foundation tamping vehicle, comprising a main hollow shell, wherein one side of the main hollow shell is provided with a main connecting plate which is of an integral structure with the main hollow shell, the top of the main hollow shell is provided with two opposite vertical plate structures, the two vertical plate structures are provided with a rotating disk inside opposite plate bodies through a main rotating shaft, the center inside the main hollow shell is provided with a moving space, and the top of the main hollow shell is provided with a main through hole structure which is communicated with the upper part of the main hollow shell and the moving space. Above-mentioned building ground tamps car with vertical tamping device takes place magnetism and the permanent magnet board that the mechanism produced with the iron core bottom is the same at the magnetism of opposite face with electromagnetic drive, according to the principle that like poles repel opposite poles and attract each other, under the combined action of rectangle heavy object piece gravity and permanent magnet magnetism, make bottom tamping plate move down fast, thereby carry out the tamping action to ground, because the drive power that this tamping produced is the combined action of rectangle heavy object piece and magnetic force, so disposable tamping effect is strong, can effectively accelerate tamping efficiency, therefore the practicality is strong. But the foundation tamping device in this patent is certain to the area of action on ground, and the impact that ground received is the definite value, and the effect of ramming is general, and the impact force that receives at repeated tamping in-process ground can make the soil layer can be to diffusing all around to reduce the effect of ramming.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a foundation tamping device for constructional engineering, which has the advantages of changing the tamping stress area of a foundation, concentrating the stress direction of the foundation and the like, and solves the problem of poor tamping effect.
In order to solve the problems of the background art, the invention provides the following technical scheme: the utility model provides a building engineering ground tamping device, includes body, energy storage ware, hydro-cylinder, base, energy storage ware fixed mounting is in the inside of body, the one end of hydro-cylinder articulates the interior roof of body, the base passes through the double-screw bolt and is connected with the bottom of body, the upper surface of base is provided with the guide pillar, the inside wall fixed mounting of body has the position sleeve, the position sleeve cup joints the one end that the base was kept away from to the guide pillar, the global from the top down slidable mounting of guide pillar has first weight, third weight and sliding sleeve in proper order, the upper surface of first weight and the one end threaded connection that the roof was kept away from to the body in the hydro-cylinder, the lower fixed surface of first weight installs the second weight, the spacing hole that runs through the third weight is seted up to the upper surface of third weight, second weight slidable mounting is in the spacing hole, the ram has been run through on the base, ram and base slidable connection, sliding sleeve and ram fixed connection.
Preferably, the side of third weight is seted up flutedly, be provided with the hydraulic stem in the recess, the one end fixed mounting of hydraulic stem has the telescopic link, the groove has been seted up to the internal surface of third weight 8 and has been accomodate the groove, it has the locating plate to accomodate inslot slidable mounting, the recess with accomodate the groove intercommunication, and the telescopic link is kept away from the one end of hydraulic stem and is connected with the locating plate, the pressure spring has been cup jointed on the surface of telescopic link, the one end of pressure spring and the one side contact of accomodating the groove, the other end and locating plate contact
Preferably, the circumferential surface of the second heavy hammer is provided with a positioning groove, the size of the positioning groove is matched with the positioning plate, and the positioning plate can be clamped with the positioning groove.
Preferably, the number of the grooves is four, and the grooves are symmetrically distributed on four side surfaces of the third weight.
Preferably, the medial surface fixed mounting of body has the baffle, the baffle is vertical to be installed, and per two is a set of, and total four groups, and leaves the interval that can place oil pipe between two baffles of each group, the through-hole has been seted up to the lateral wall of body, and through-hole and baffle looks adaptation.
Preferably, the surfaces of the first weight, the third weight and the second weight which are hammered by the hammer are provided with hammer pads.
Preferably, the energy accumulator, the oil cylinder and the hydraulic rod are connected through oil pipes, and a connecting column connected with the engineering machinery is arranged on the side face of the body.
Preferably, the tamper is in the shape of a hollow cylinder, a tamper column is slidably mounted on the inner surface of the tamper, the diameter of the tamper column is larger than that of the limiting hole, a sliding groove is formed in the peripheral surface of the tamper column, a boss is arranged on the inner wall of the tamper and clamped with the sliding groove, and the boss can slide in the sliding groove.
Compared with the prior art, the invention provides a foundation tamping device for constructional engineering, which has the following beneficial effects:
this building engineering ground tamp device, through first weight, the components of a whole that can function independently design of third weight and second weight, make tamp board and rammer post receive striking many times when ramming the ground, through the cooperation setting of rammer post and rammer board, can make the ground change lifting surface area when ramming, can be to the abundant tamp of ground, the components of a whole that can function independently design of rammer post and rammer board simultaneously, can make the stress that makes ground receive when the ground tamps fully downwards, can strengthen the tamping effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a front view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a cross-sectional view of the left side of the present invention;
FIG. 6 is a cross-sectional view of a top view of the present invention.
In the figure: 1. a body; 2. a guide post; 3. a positioning sleeve; 4. an oil cylinder; 5. an accumulator; 6. a first weight; 7. a second weight; 8. a third weight; 9. a hydraulic rod; 10. a limiting hole; 11. tamping the column; 12. a sliding sleeve; 13. a base; 14. tamping a plate; 15. a guide plate; 16. a groove; 17. a storage groove; 18. a telescopic rod; 19. positioning a plate; 20. positioning a groove; 21. a pressure spring; 22. connecting columns; 23. a chute; 24. a boss; 25. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a foundation tamping device for construction engineering includes a body 1, an energy accumulator 5, an oil cylinder 4, and a base 13, wherein the energy accumulator 5 is fixedly installed inside the body 1, one end of the oil cylinder 4 is hinged to an inner top wall of the body 1, the base 13 is connected to the bottom of the body 1 through a stud, a guide pillar 2 is disposed on an upper surface of the base 13, a positioning sleeve 3 is fixedly installed on an inner side wall of the body 1, the positioning sleeve 3 is sleeved on one end of the guide pillar 2 away from the base 13, a first heavy hammer 6, a third heavy hammer 8 and a sliding sleeve 12 are sequentially slidably installed on a peripheral surface of the guide pillar 2 from top to bottom, an upper surface of the first heavy hammer 6 is in threaded connection with one end of the oil cylinder 4 away from the inner top wall of the body 1, a second heavy hammer 7 is fixedly installed on a lower surface of the first heavy hammer 6, a limiting hole 10 penetrating through the third heavy hammer 8 is formed on an upper surface of the third heavy hammer 8, the second heavy hammer 7 is slidably installed in the limiting hole 10, a tamping plate 14 penetrates through the base 13, and the tamping plate 14 is slidably connected to the sliding sleeve 12.
The side of third weight 8 is seted up flutedly 16, be provided with hydraulic stem 9 in the recess 16, the one end fixed mounting of hydraulic stem 9 has telescopic link 18, the internal surface of third weight 8 has been seted up and has been accomodate groove 17, it has locating plate 19 to accomodate slidable mounting in the groove 17, recess 16 with accomodate groove 17 intercommunication, and telescopic link 18 keeps away from the one end and the locating plate 19 of hydraulic stem 9 and be connected, pressure spring 21 has been cup jointed on the surface of telescopic link 18, the one end of pressure spring 21 and the one side contact of accomodating groove 17, the other end and the contact of locating plate 19.
The peripheral surface of the second counter weight 7 is provided with a positioning groove 20, the size of the positioning groove 20 is matched with the positioning plate 19, and the positioning plate 19 and the positioning groove 20 can be clamped.
The number of the grooves 16 is four, and the grooves are symmetrically distributed on four sides of the third weight 8.
The medial surface fixed mounting of body 1 has baffle 15, the vertical installation of baffle 15, and per two be a set of, total four groups, and leave the interval that can place oil pipe between two baffles 15 of every group, through-hole 25 has been seted up to the lateral wall of body 1, and through- hole 25 and 15 looks adaptations of baffle, make things convenient for oil pipe on the third weight 8 hydraulic stem 9 when sliding from top to bottom along guide pillar 2 to reciprocate along baffle 15, avoid oil pipe to damage.
The surfaces of the first weight 6, the third weight 8 and the second weight 7 which are hammered by the hammer are all provided with hammer pads.
The energy accumulator 5, the oil cylinder 4 and the hydraulic rod 9 are all connected through oil pipes, and a connecting column 22 connected with engineering machinery is arranged on the side face of the body 1.
The ramming plate 14 is in the shape of a hollow cylinder, the inner surface of the ramming plate 14 is slidably provided with the ramming column 11, the diameter of the ramming column 11 is larger than that of the limiting hole 10, the circumferential surface of the ramming column 11 is provided with a sliding groove 23, the inner wall of the ramming plate 14 is provided with a boss 24, the boss 24 is clamped with the sliding groove 23, and the boss 24 can slide in the sliding groove 23.
When the foundation tamping device for the construction engineering is used, firstly, the engineering machinery vehicle is connected with the body 1 through the connecting column 22, then, the oil circuit is connected (the oil circuit connection is the prior mature technology, and is not shown in the figure), and the foundation tamping work is realized by controlling the expansion and contraction of the oil cylinder 4.
Firstly, moving the body 1 to a foundation position to be tamped, then contacting the tamping plate 14 with the ground, and continuously moving the body 1 downwards, so that the tamping plate 14 rises to a certain distance in the body 1, then lifting the first heavy hammer 6 upwards along the guide pillar 2 by controlling the contraction of the oil cylinder 4, the first heavy hammer 6 drives the third heavy hammer 8 to rise through the second heavy hammer 7, when the first heavy hammer 6 rises to a certain position, the first heavy hammer 6 falls under the pushing of the oil cylinder 4, the third heavy hammer 8 is pushed to move downwards while the first heavy hammer 6 falls, so that the third heavy hammer 8 impacts the upper surfaces of the tamping plate 14 and the tamping column 11, so that the tamping plate 14 and the tamping column 11 have the effect of tamping the ground, then controlling the hydraulic rod 9, the hydraulic rod 9 drives the telescopic rod 18 to pull the positioning plate 19 to move, the positioning plate 19 slides in the accommodating groove 17 and is separated from the positioning groove 20, then continuously controlling the oil cylinder 4, so that the first heavy hammer 6 pushes the second heavy hammer 7 to move in the limiting hole 10, so that the positioning plate 7 moves on the ground, the positioning plate 11 slides on the accommodating groove 17, the foundation, the tamping column 14 and the tamping plate 11, the tamping plate 14 is further, the tamping column 14 and the tamping plate 11, so that the foundation can be prevented from moving on the boss 23, and the foundation boss, and the tamping plate 11, and the tamping plate can move once again, and the boss, and the tamping column 11.
After the positioning plate 19 is completely separated from the positioning slot 20 and the second weight 7 slides in the limiting hole 10, the hydraulic rod 9 is reset and compresses the telescopic rod 18, so that the positioning plate 19 is in contact with the third weight 8.
Considering that the positioning plate 19 needs to bear a large impact, the positioning plate 19 may be thickened in the vertical direction to avoid deformation of the positioning plate 19 due to the impact.
After tamping of half stroke is completed, then the oil cylinder 4 is controlled to lift the first heavy hammer 6, the second heavy hammer 7 slides upwards in the limiting hole 10, after the positioning groove 20 slides to the position of the accommodating groove 17, the positioning plate 19 pushes the positioning plate 19 to be clamped into the positioning groove 20 under the action of the pressure spring 21, then the third heavy hammer 8 is connected with the positioning groove 20 to lift up, after the positioning groove 20 rises to a certain height, the oil cylinder 4 is controlled again to enable the first heavy hammer 6 to fall down, the third heavy hammer 8 is driven to impact the tamping plate 14, the tamping plate 14 is tamped downwards, the ground area of the tamping plate 14 contact at the moment is small, the foundation can be better tamped, meanwhile, the tamping column 11 is located in the foundation and is lower than the height of the tamping plate 14, the tamping plate 14 can be prevented from gathering towards the middle when tamping downwards, finally, the tamping plate 14 and the tamping column 11 are enabled to be leveled, and then the half stroke is completed.
In conclusion, this building engineering ground tamping device, through the components of a whole that can function independently design of first weight 6, third weight 8 and second weight 7 for ram 14 and rammer post 11 receive impact many times when ramming the ground, through the cooperation setting of rammer post 11 and ram plate 14, can make the ground change the lifting surface area when ramming, can fully tamp the ground, simultaneously the components of a whole that can function independently design of rammer post 11 and ram plate 14 makes the stress that ground received fully downwards when the ground tamps, can strengthen the tamping effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a building engineering ground tamp device, includes body (1), energy storage ware (5), hydro-cylinder (4), base (13), energy storage ware (5) fixed mounting is in the inside of body (1), the one end of hydro-cylinder (4) articulates the interior roof at body (1), base (13) are connected its characterized in that through the bottom of double-screw bolt with body (1): the upper surface of the base (13) is provided with a guide pillar (2), the inner side wall of the body (1) is fixedly provided with a positioning sleeve (3), the positioning sleeve (3) is sleeved at one end, far away from the base (13), of the guide pillar (2), the peripheral surface of the guide pillar (2) is sequentially provided with a first heavy hammer (6), a third heavy hammer (8) and a sliding sleeve (12) in a sliding mode from top to bottom, the upper surface of the first heavy hammer (6) is in threaded connection with one end, far away from the inner top wall of the body (1), of an oil cylinder (4), the lower surface of the first heavy hammer (6) is fixedly provided with a second heavy hammer (7), the upper surface of the third heavy hammer (8) is provided with a limiting hole (10) penetrating through the third heavy hammer (8), the second heavy hammer (7) is in the limiting hole (10) in a sliding mode, a tamping plate (14) penetrates through the base (13), the tamping plate (14) is in sliding connection with the base (13), and the sliding sleeve (12) is fixedly connected with the tamping plate (14).
2. The constructional engineering foundation tamping device of claim 1, wherein: the side of third triple hammer (8) is seted up flutedly (16), be provided with hydraulic stem (9) in recess (16), the one end fixed mounting of hydraulic stem (9) has telescopic link (18), the internal surface of third triple hammer (8) has been seted up and has been accomodate groove (17), it has locating plate (19) to accomodate slidable mounting in groove (17), recess (16) and the groove (17) intercommunication of accomodating, and telescopic link (18) keep away from the one end of hydraulic stem (9) and be connected with locating plate (19), pressure spring (21) have been cup jointed on the surface of telescopic link (18), the one end of pressure spring (21) and the one side contact of accomodating groove (17), the other end and locating plate (19) contact.
3. The constructional engineering foundation tamping device of claim 2, wherein: constant head tank (20) have been seted up to the global of second heavy hammer (7), and the size and locating plate (19) looks adaptation of constant head tank (20), but locating plate (19) and constant head tank (20) joint.
4. The constructional engineering foundation tamping device of claim 2, wherein: the number of the grooves (16) is four, and the grooves are symmetrically distributed on four side faces of the third weight (8).
5. The constructional engineering foundation tamping device of claim 1, wherein: the utility model discloses a well drilling machine, including body (1), medial surface fixed mounting of body (1) has baffle (15), baffle (15) vertical installation, and per two are a set of, total four groups, and leave the interval that can place oil pipe between two baffle (15) of each group, through-hole (25) have been seted up to the lateral wall of body (1), and through-hole (25) and baffle (15) looks adaptation.
6. The constructional engineering foundation tamping device of claim 1, wherein: and hammer pads are arranged on the surfaces hammered by the first heavy hammer (6), the third heavy hammer (8) and the second heavy hammer (7).
7. The constructional engineering foundation tamping device of claim 1, wherein: all connect through oil pipe between energy storage ware (5), hydro-cylinder (4) and hydraulic stem (9), the side of body (1) is equipped with spliced pole (22) of being connected with engineering machine tool.
8. The constructional engineering foundation tamping device of claim 1, wherein: rammer board (14) is the shape of hollow section of thick bamboo, the internal surface slidable mounting of rammer board (14) has rammer post (11), the diameter of rammer post (11) is greater than the diameter of spacing hole (10), spout (23) have been seted up to the global of rammer post (11), the inner wall of rammer board (14) is equipped with boss (24), boss (24) and spout (23) joint, and boss (24) can slide in spout (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211159022.3A CN115369851B (en) | 2022-09-22 | 2022-09-22 | Building engineering foundation ramming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211159022.3A CN115369851B (en) | 2022-09-22 | 2022-09-22 | Building engineering foundation ramming device |
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| Publication Number | Publication Date |
|---|---|
| CN115369851A true CN115369851A (en) | 2022-11-22 |
| CN115369851B CN115369851B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211159022.3A Active CN115369851B (en) | 2022-09-22 | 2022-09-22 | Building engineering foundation ramming device |
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| Country | Link |
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| CN (1) | CN115369851B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195534A (en) * | 1992-01-21 | 1993-08-03 | Toa Harbor Works Co Ltd | Rubble leveler |
| CN206625209U (en) * | 2017-04-05 | 2017-11-10 | 陕西铁路工程职业技术学院 | A kind of brining ground foundation processing unit |
| CN207633317U (en) * | 2017-12-14 | 2018-07-20 | 山东金城建设有限公司 | A kind of tamping apparatus for building |
| US20180363264A1 (en) * | 2017-06-16 | 2018-12-20 | William Eugene Hodge | Apparatus and method to enhance the utility of hydrodynamic compaction machine |
| CN214656921U (en) * | 2021-01-25 | 2021-11-09 | 张巍瀛 | High-speed hydraulic battering ram for constructional engineering |
| CN214940020U (en) * | 2021-07-27 | 2021-11-30 | 泰兴一建建设集团有限公司 | Civil engineering foundation tamping device for construction |
| CN216238471U (en) * | 2021-08-19 | 2022-04-08 | 陈鉴仁 | High-applicability hydraulic rammer compactor for building construction |
| CN217053308U (en) * | 2022-03-11 | 2022-07-26 | 云南省普洱市均焱送变电工程有限公司 | Tamping device for electric power engineering construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5195534B2 (en) * | 2009-03-05 | 2013-05-08 | アイシン・エィ・ダブリュ株式会社 | Power transmission device |
-
2022
- 2022-09-22 CN CN202211159022.3A patent/CN115369851B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195534A (en) * | 1992-01-21 | 1993-08-03 | Toa Harbor Works Co Ltd | Rubble leveler |
| CN206625209U (en) * | 2017-04-05 | 2017-11-10 | 陕西铁路工程职业技术学院 | A kind of brining ground foundation processing unit |
| US20180363264A1 (en) * | 2017-06-16 | 2018-12-20 | William Eugene Hodge | Apparatus and method to enhance the utility of hydrodynamic compaction machine |
| CN207633317U (en) * | 2017-12-14 | 2018-07-20 | 山东金城建设有限公司 | A kind of tamping apparatus for building |
| CN214656921U (en) * | 2021-01-25 | 2021-11-09 | 张巍瀛 | High-speed hydraulic battering ram for constructional engineering |
| CN214940020U (en) * | 2021-07-27 | 2021-11-30 | 泰兴一建建设集团有限公司 | Civil engineering foundation tamping device for construction |
| CN216238471U (en) * | 2021-08-19 | 2022-04-08 | 陈鉴仁 | High-applicability hydraulic rammer compactor for building construction |
| CN217053308U (en) * | 2022-03-11 | 2022-07-26 | 云南省普洱市均焱送变电工程有限公司 | Tamping device for electric power engineering construction |
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| Publication number | Publication date |
|---|---|
| CN115369851B (en) | 2024-02-27 |
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