CN115369851B - Building engineering foundation ramming device - Google Patents
Building engineering foundation ramming device Download PDFInfo
- Publication number
- CN115369851B CN115369851B CN202211159022.3A CN202211159022A CN115369851B CN 115369851 B CN115369851 B CN 115369851B CN 202211159022 A CN202211159022 A CN 202211159022A CN 115369851 B CN115369851 B CN 115369851B
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- Prior art keywords
- heavy hammer
- foundation
- rammer
- base
- plate
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- 238000005056 compaction Methods 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005389 magnetism 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
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 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
Abstract
The invention relates to the technical field of constructional engineering and discloses a foundation ramming device for the constructional engineering, which comprises a body, an energy accumulator, an oil cylinder and a base, wherein the energy accumulator is fixedly arranged in 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, the upper surface of the base is provided with a guide pillar, the inner side wall of the body is fixedly provided with a positioning sleeve, the positioning sleeve is sleeved at one end of the guide pillar far away from the base, and the circumferential surface of the guide pillar is sequentially provided with a first heavy hammer, a third heavy hammer and a sliding sleeve in a sliding manner from top to bottom. This building engineering foundation 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 many times striking when ramming the foundation, through the cooperation setting of rammer post and rammer board, can change the area of force of foundation, can fully tamp the foundation, the components of a whole that can function independently design of rammer post and rammer board simultaneously, can make the stress that the ground received fully downwards when the foundation is tamped, can strengthen the tamping effect.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a foundation tamping device for constructional engineering.
Background
The foundation is a building component, which is in direct contact with the soil layer, bears the load brought by the house wall and column, and transmits the load to the soil layer together with the self weight. 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, it is necessary to ensure that the pressure transmitted by the foundation to the foundation does not exceed the allowable bearing capacity of the foundation. Insufficient foundation strength or uneven sinking of the foundation can cause cracks and tilting of the building construction. The bearing capacity of the natural soil layer foundation is poor, and when the upper load is large, the bearing capacity of the foundation can be improved by means of reinforcement, piling and the like.
For example, patent publication number CN108560529B discloses a vertical tamping device for building foundation tamping vehicle, comprising a main hollow shell, one side of the main hollow shell is provided with a main connecting plate of an integrated structure, two pairs of upright plate structures are installed at the top of the main hollow shell, a rotating disk is installed in the inner part of the upright plate structures through a main rotating shaft, a moving space is arranged in the center of the inner part of the main hollow shell, and a main through hole structure for communicating the upper part of the main hollow shell with the moving space is arranged at the top of the main hollow shell. According to the longitudinal tamping device for the building foundation tamping machine, magnetism generated by the bottom end of the iron core of the electromagnetic drive generating mechanism is identical to that of the permanent magnet plate on the opposite face, and the bottom tamping plate moves down rapidly under the combined action of the gravity of the rectangular weight and the magnetism of the permanent magnet according to the principle that like poles repel each other and opposite poles attract each other, so that the ground is tamped. However, the foundation compaction device in the patent has a certain action area on the ground, the impact on the ground is a constant value, the compaction effect is general, and the soil layer can be diffused to the periphery due to the impact force on the ground in the repeated compaction process, so that the compaction effect is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a foundation tamping device for construction engineering, which has the advantages of changing the tamping stressed area of the 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 set forth in the background art, the present invention provides the following technical solutions: the utility model provides a building engineering foundation ramming 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 at the 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 locating sleeve, the locating sleeve cup joints the one end that the base was kept away from at 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 of hydro-cylinder keeping away from the body roof, the lower surface fixed mounting of first weight has the second weight, the spacing hole that runs through the third weight has been seted up to the upper surface of third weight, second weight slidable mounting is in the spacing hole, it has the ramming plate to run through on the base, sliding sleeve and base sliding connection, sliding sleeve and ramming plate fixed connection.
Preferably, the side of third weight has 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 storage tank has been seted up to the internal surface of third weight 8, sliding mounting has the locating plate in the storage tank, the recess communicates with the storage tank, and the telescopic link keeps away from the one end and the locating plate connection of hydraulic stem, the pressure spring has been cup jointed on the surface of telescopic link, the one end and the one side contact of storage tank of pressure spring, the other end and the locating plate contact
Preferably, a positioning groove is formed in the peripheral surface of the second heavy hammer, the size of the positioning groove is matched with that of 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 sides of the third heavy hammer.
Preferably, the guide plates are fixedly arranged on the inner side surface of the body, the guide plates are vertically arranged, every two guide plates are in a group, four groups are arranged in total, an interval for placing oil pipes is reserved between the two guide plates of each group, through holes are formed in the side wall of the body, and the through holes are matched with the guide plates.
Preferably, the surfaces on which the first heavy hammer, the third heavy hammer and the second heavy hammer are hammered are all provided with hammer pads.
Preferably, the energy accumulator, the oil cylinder and the hydraulic rod are all connected through oil pipes, and a connecting column connected with engineering machinery is arranged on the side face of the body.
Preferably, the rammer board is the shape of hollow section of thick bamboo, the interior surface slidable mounting of rammer board has the rammer post, the diameter of rammer post is greater than the diameter of spacing hole, the spout has been seted up to the global of rammer post, the inner wall of rammer board is equipped with the boss, boss and spout joint, and the boss can slide in the spout.
Compared with the prior art, the invention provides a building engineering foundation tamping device, which has the following beneficial effects:
this building engineering foundation tamp device, through the components of a whole that can function independently design of first weight, third weight and second weight for rammer board and rammer post receive many times striking when ramming the foundation, through the cooperation setting of rammer post and rammer board, can make the foundation change the area of force when ramming, can fully tamp the foundation, the components of a whole that can function independently design of rammer post and rammer board simultaneously, can make the stress that the ground received fully downwards when the foundation is tamped, can strengthen the tamping effect.
Drawings
FIG. 1 is a schematic diagram of the structure 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 of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a cross-sectional view of a left side view 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. a rammer; 15. a guide plate; 16. a groove; 17. a storage groove; 18. a telescopic rod; 19. a positioning plate; 20. a positioning groove; 21. a pressure spring; 22. a connecting column; 23. a chute; 24. a boss; 25. and a through hole.
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. 1-6, a foundation ramming device for constructional engineering comprises a body 1, an energy accumulator 5, an oil cylinder 4 and a base 13, wherein the energy accumulator 5 is fixedly installed in the body 1, one end of the oil cylinder 4 is hinged to the inner top wall of the body 1, the base 13 is connected with the bottom of the body 1 through a stud, a guide post 2 is arranged on the upper surface of the base 13, a positioning sleeve 3 is fixedly installed on the inner side wall of the body 1, the positioning sleeve 3 is sleeved on one end of the guide post 2 far away from the base 13, a first heavy hammer 6, a third heavy hammer 8 and a sliding sleeve 12 are sequentially and slidably installed on the peripheral surface of the guide post 2 from top to bottom, the upper surface of the first heavy hammer 6 is in threaded connection with one end of the oil cylinder 4 far away from the inner top wall of the body 1, a second heavy hammer 7 is fixedly installed on the lower surface of the first heavy hammer 6, a limiting hole 10 penetrating through the third heavy hammer 8 is formed in the upper surface of the third heavy hammer 8, the second heavy hammer 7 is slidably installed in the limiting hole 10, a ramming plate 14 penetrates through the base 13, the ramming plate 14 is slidably connected with the base 13, and the sliding sleeve 12 is fixedly connected with the ramming plate 14.
The side of third weight 8 has seted up recess 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 storage tank 17 has been seted up to the internal surface of third weight 8, sliding mounting has locating plate 19 in storage tank 17, recess 16 and storage tank 17 intercommunication, and the one end that hydraulic stem 9 was kept away from to telescopic link 18 is connected with locating plate 19, pressure spring 21 has been cup jointed on the surface of telescopic link 18, the one end and the one side contact of storage tank 17 of pressure spring 21, the other end and locating plate 19 contact.
The peripheral surface of the second heavy hammer 7 is provided with a positioning groove 20, the size of the positioning groove 20 is matched with that of 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 guide plate 15 is fixedly arranged on the inner side surface of the body 1, the guide plates 15 are vertically arranged, every two guide plates are in a group, four groups are arranged in total, an interval for placing oil pipes is reserved between the two guide plates 15 of each group, through holes 25 are formed in the side wall of the body 1, the through holes 25 are matched with the guide plates 15, and the oil pipes on the hydraulic rods 9 can conveniently move up and down along the guide plates 15 when the third hammers 8 slide up and down along the guide posts 2, so that the oil pipes are prevented from being damaged.
The surfaces of the first heavy hammer 6, the third heavy hammer 8 and the second heavy hammer 7 which are hammered are provided with hammer pads.
The 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 surface of the body 1.
The rammer 14 is in the shape of a hollow cylinder, the rammer column 11 is slidably mounted on the inner surface of the rammer 14, the diameter of the rammer column 11 is larger than that of the limiting hole 10, the periphery of the rammer column 11 is provided with a chute 23, the inner wall of the rammer 14 is provided with a boss 24, the boss 24 is clamped with the chute 23, and the boss 24 can slide in the chute 23.
When the construction engineering foundation tamping device is used, firstly, an engineering mechanical vehicle is connected with the body 1 through a connecting column 22, then an oil way is connected, the oil way is connected to be the prior art, and the tamping work of the foundation is realized by controlling the extension and retraction of the oil cylinder 4.
The method comprises the steps of firstly moving a body 1 to a foundation position to be tamped, then contacting a tamping plate 14 with the ground, continuously moving the body 1 downwards, enabling the tamping plate 14 to rise to a certain distance in the body 1, then lifting a first heavy hammer 6 upwards along a guide post 2 through shrinkage of a control oil cylinder 4, driving a third heavy hammer 8 to rise through a second heavy hammer 7 by the first heavy hammer 6, after the first heavy hammer 6 rises to a certain position, pushing the first heavy hammer 6 to fall under the pushing of the oil cylinder 4, pushing the third heavy hammer 8 downwards while the first heavy hammer 6 falls, enabling the third heavy hammer 8 to impact the tamping plate 14 and the upper surface of a tamping column 11, enabling the tamping plate 14 and the tamping column 11 to have a tamping effect on the ground, then controlling the hydraulic rod 9, driving a telescopic rod 18 to pull a positioning plate 19 to move, enabling the positioning plate 19 to slide in a storage groove 17, and to be separated from the positioning groove 20, continuously controlling the oil cylinder 4, enabling the first heavy hammer 6 to push the first heavy hammer 7 to move in a limiting hole 10, enabling the second heavy hammer 7 to impact the tamping plate 11 to impact the tamping plate 14 and the upper surface of the tamping column 11, and simultaneously avoiding the fact that the pre-compaction force is carried out on the tamping plate 11 and the ground, and the pre-compaction column 11 is simultaneously, and the pre-compaction stress is reduced when the tamping plate 11 is impacted on the ground, and the ground is opposite to the ground, and the tamping plate 11 is compacted by the upper surface and the tamping column is simultaneously and the tamping plate 11 is pressed.
When the positioning plate 19 is completely separated from the positioning groove 20, the hydraulic rod 9 is reset after the second heavy hammer 7 slides in the limiting hole 10, and the telescopic rod 18 is compressed, so that the positioning plate 19 is in contact with the third heavy hammer 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 the positioning plate 19 from being deformed by the impact.
After the compaction of the half stroke is completed, 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 storage 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 lifted up through the connection of the positioning plate 19 and the positioning groove 20, after the third heavy hammer 8 rises to a certain height, the oil cylinder 4 is controlled again to enable the first heavy hammer 6 to fall down to drive the third heavy hammer 8 to strike the compaction plate 14, the compaction plate 14 is enabled to tamp the ground downwards, the area of the ground contacted by the compaction plate 14 at the moment is smaller, the foundation can be compacted better, meanwhile, the compaction column 11 is positioned in the foundation, the height is lower than the height of the compaction plate 14, the stress generated by the compaction plate 14 to the ground can be prevented from being gathered towards the middle when the compaction plate 14 is downwards, and finally the compaction plate 14 and the compaction column 11 is enabled to be in the half stroke after the completion.
In summary, this building engineering foundation tamp device, through the split design of first weight 6, third weight 8 and second weight 7 for ramming board 14 and rammer column 11 receive many times striking when ramming the foundation, through the cooperation setting of rammer column 11 and rammer plate 14, can make the foundation change the area of force when ramming, can fully tamp the foundation, the split design of rammer column 11 and rammer plate 14 simultaneously can make the stress that the ground received fully downwards when the foundation is tamped, can strengthen the tamping effect.
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 building engineering foundation 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 automatic tamping machine is characterized in that a guide pillar (2) is arranged on the upper surface of the base (13), a locating sleeve (3) is fixedly arranged on the inner side wall of the body (1), the locating sleeve (3) is sleeved at one end, far away from the base (13), of the guide pillar (2), a first heavy hammer (6), a third heavy hammer (8) and a sliding sleeve (12) are sequentially and slidably arranged on the peripheral surface of the guide pillar (2) 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 the oil cylinder (4), a second heavy hammer (7) is fixedly arranged on the lower surface of the first heavy hammer (6), a limiting hole (10) penetrating through the third heavy hammer (8) is formed in the upper surface of the third heavy hammer (8), the second heavy hammer (7) is slidably arranged in the limiting hole (10), a tamping plate (14) penetrates through the base (13), and the tamping plate (14) is slidably connected with the base (13), and the sliding sleeve (12) is fixedly connected with the tamping plate (14).
The side of the third heavy hammer (8) is provided with a groove (16), a hydraulic rod (9) is arranged in the groove (16), one end of the hydraulic rod (9) is fixedly provided with a telescopic rod (18), the inner surface of the third heavy hammer (8) is provided with a storage groove (17), a positioning plate (19) is slidably arranged in the storage groove (17), the groove (16) is communicated with the storage groove (17), one end, far away from the hydraulic rod (9), of the telescopic rod (18) is connected with the positioning plate (19), the surface of the telescopic rod (18) is sleeved with a pressure spring (21), one end of the pressure spring (21) is in contact with one surface of the storage groove (17), and the other end of the pressure spring is in contact with the positioning plate (19); a positioning groove (20) is formed in the peripheral surface of the second heavy hammer (7), the size of the positioning groove (20) is matched with that of the positioning plate (19), and the positioning plate (19) can be clamped with the positioning groove (20); the number of the grooves (16) is four, and the grooves are symmetrically distributed on four sides of the third triple hammer (8).
2. The construction foundation compaction device according to claim 1, wherein: the oil pipe arranging device is characterized in that guide plates (15) are fixedly arranged on the inner side face of the body (1), the guide plates (15) are vertically arranged, every two guide plates are in a group, four groups are arranged, an interval for arranging oil pipes is reserved between the two guide plates (15) of each group, through holes (25) are formed in the side wall of the body (1), and the through holes (25) are matched with the guide plates (15).
3. The construction foundation compaction device according to claim 1, wherein: the surfaces on which the first heavy hammer (6), the third heavy hammer (8) and the second heavy hammer (7) are hammered are provided with hammer pads.
4. The construction foundation compaction device according to claim 1, wherein: 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 surface of the body (1).
5. The construction foundation compaction device according to claim 1, wherein: the rammer board (14) is the shape of hollow section of thick bamboo, the interior 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115369851A CN115369851A (en) | 2022-11-22 |
| CN115369851B true CN115369851B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211159022.3A Active CN115369851B (en) | 2022-09-22 | 2022-09-22 | Building engineering foundation ramming device |
Country Status (1)
| Country | Link |
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| CN (1) | CN115369851B (en) |
Citations (8)
| 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 |
| 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 |
|---|---|---|---|---|
| JPH05195534A (en) * | 1992-01-21 | 1993-08-03 | Toa Harbor Works Co Ltd | Rubble leveler |
-
2022
- 2022-09-22 CN CN202211159022.3A patent/CN115369851B/en active Active
Patent Citations (8)
| 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 |
| 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 |
|---|---|
| CN115369851A (en) | 2022-11-22 |
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