CN112482351A - Reciprocating type building tamping system - Google Patents
Reciprocating type building tamping system Download PDFInfo
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- CN112482351A CN112482351A CN202011282929.XA CN202011282929A CN112482351A CN 112482351 A CN112482351 A CN 112482351A CN 202011282929 A CN202011282929 A CN 202011282929A CN 112482351 A CN112482351 A CN 112482351A
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- fixedly installed
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000005056 compaction Methods 0.000 claims abstract 14
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 239000002689 soil Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 17
- 230000037431 insertion Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
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Classifications
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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
- E02D3/068—Vibrating apparatus operating with systems involving reciprocating masses
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Machines (AREA)
Abstract
本发明属于建筑机械技术领域，尤其是一种往复式建筑夯实系统，其包括底板，底板上对称滑动安装有两个传动板，两个传动板的底部均滑动安装有插板，两个插板上均安装有侧板，两个侧板的顶部均安装有第一轴承，两个第一轴承的内圈均固定安装有第一螺杆，两个第一螺杆上均螺纹安装有连接板，两个连接板与两个传动板对应固定连接，两个第一螺杆的顶部均固定安装有旋钮，底板的顶部对称滑动安装有两个第一滑块，两个第一滑块的顶部均固定安装有驱动板，底板的顶部固定安装有安装架，安装架上对称安装有两个第二滑块。本发明可以根据需求移动，使用方便，且可以保证夯实时整个装置的稳定，并且可以将飞溅的土屑刮到夯实处，确保夯实的效果和效率。
The invention belongs to the technical field of construction machinery, in particular to a reciprocating building compaction system, which comprises a base plate, two transmission plates are symmetrically slidably installed on the base plate; A side plate is installed on both sides, a first bearing is installed on the top of the two side plates, a first screw is fixedly installed on the inner ring of the two first bearings, and a connecting plate is threadedly installed on the two first screws. Each connecting plate is correspondingly and fixedly connected to the two transmission plates, the tops of the two first screws are fixedly installed with knobs, the tops of the bottom plates are symmetrically slidably installed with two first sliders, and the tops of the two first sliders are fixedly installed There is a driving board, an installation frame is fixedly installed on the top of the bottom plate, and two second sliding blocks are symmetrically installed on the installation frame. The invention can be moved according to requirements, is convenient to use, can ensure the stability of the whole device during compaction, and can scrape the splashed soil debris to the compaction place to ensure the effect and efficiency of compaction.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a reciprocating type building tamping system.
Background
In the field of construction, tamping is a construction operation for tamping a foundation or filling soil and stone materials by repeatedly and freely falling by utilizing a heavy object so as to improve the compactness of the foundation or filling soil and stone materials.
However, the traditional tamper is large in size, inconvenient to move and low in working efficiency; in addition, the foundation of the building site is not smooth, so that the tamping density is not uniform, the land needs to be leveled, the traditional leveling mode is carried out through a scraper or manually, the scraper is high in operation cost, and the manual operation efficiency is too low.
Disclosure of Invention
The invention aims to solve the problems that a traditional tamper is large in size and inconvenient to move, the working efficiency is low, meanwhile, due to the fact that the foundation of a building site is uneven, tamping is directly carried out, the tamping density is uneven, land leveling is needed, the traditional leveling mode is carried out through a scraper or manually, the scraper is high in operation cost, and the manual operation efficiency is too low, and the reciprocating type building tamper system is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reciprocating type building tamping system comprises a bottom plate, wherein two transmission plates are symmetrically and slidably mounted on the bottom plate, insertion plates are slidably mounted at the bottoms of the two transmission plates, side plates are fixedly mounted on the two insertion plates, first bearings are fixedly mounted at the tops of the two side plates, first screw rods are fixedly mounted at the inner rings of the two first bearings, connecting plates are fixedly mounted on the two first screw rods in a threaded manner, the two connecting plates are correspondingly and fixedly connected with the two transmission plates, knobs are fixedly mounted at the tops of the two first screw rods, two first sliding blocks are symmetrically and slidably mounted at the top of the bottom plate, driving plates are fixedly mounted at the tops of the two first sliding blocks, a mounting frame is fixedly mounted at the top of the bottom plate, two second sliding blocks are symmetrically and slidably mounted on the mounting frame, push plates are fixedly mounted on the two second sliding blocks, and the same top plate is, the top fixed mounting of mounting bracket has first mounting box, fixed mounting has first driving motor in the first mounting box, fixed mounting has the second screw rod on first driving motor's the output shaft, second screw rod and roof threaded connection, fixed mounting has the second mounting box in the mounting bracket, fixed mounting has second driving motor in the second mounting box, fixed mounting has the left end of drive shaft on the output shaft of second driving motor, fixed mounting has the second bearing in the mounting bracket, the right-hand member of drive shaft and the inner circle fixed connection of second bearing, the drive shaft rotates and installs in the mounting bracket, symmetrical fixed mounting has two plectanes on the drive shaft, movable mounting has same pillar on two plectanes, the through-hole has been seted up on the bottom plate, pillar slidable mounting is in the through-hole, the bottom fixed mounting of pillar has the rammer board, the bottom symmetrical slidable mounting of bottom plate has two scraper blades, equal.
Preferably, the bottom of the bottom plate is symmetrically and fixedly provided with two electric push rods, the output shafts of the two electric push rods are fixedly provided with mounting plates, and the bottoms of the two mounting plates are fixedly provided with a plurality of guide wheels.
Preferably, two sliding holes are symmetrically formed in the bottom plate, and the transmission plate is slidably mounted in the sliding holes.
Preferably, the two sliding holes are internally and fixedly provided with a pressure spring which is fixedly connected with the transmission plate.
Preferably, the top of the mounting rack is fixedly provided with a support, and the second screw is rotatably arranged on the support.
Preferably, a fixing rod is fixedly installed in the installation frame, and the driving shaft is rotatably installed on the fixing rod.
Preferably, all slidable mounting has the connecting block on two plectanes, and two connecting blocks are all fixed mounting on the pillar.
Preferably, all seted up oval groove on two plectanes, two connecting blocks correspond slidable mounting in two oval grooves.
Preferably, two chutes are symmetrically formed in the bottom of the bottom plate, limiting rods are fixedly mounted in the two chutes, supporting rods are slidably mounted on the two limiting rods, and the bottom ends of the two supporting rods correspond to the two scraping plates and are fixedly mounted.
Preferably, equal fixed mounting has the spring in two spouts, and two springs correspond fixed connection with two bracing pieces.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through having set up the bottom plate, electric putter, the mounting panel, the leading wheel, the slip hole, the driving plate, the pressure spring, the picture peg, the curb plate, first screw rod, the knob, the connecting plate, the drive plate, the mounting bracket, the push pedal, the roof, first mounting box, a driving motor, the second screw rod, a support, can be through a plurality of leading wheel mobile device, it is very convenient to use, when ramming, a driving motor drives the second screw rod and rotates, the second screw rod drives the roof and removes, the roof drives the driving plate through push pedal and drive plate and removes, the driving plate drives the picture peg and removes, thereby make the picture peg inject in ground, ensure the stability of ramming real-time whole device.
(2) This scheme is through having set up the second mounting box, second driving motor, the drive shaft, the dead lever, the second bearing, the plectane, the elliptical trough, the connecting block, the pillar, ram the board, the through-hole, the scraper blade, the linkage joint board, the spout, the gag lever post, the bracing piece, a spring, first slider, the second slider, first bearing, second driving motor drives the drive shaft and rotates, the drive shaft drives the pillar through two plectanes and reciprocates, the pillar drives and rams the board and removes the tamping that carries out relapse to ground, it removes to drive the scraper blade simultaneously, the punishment department is scraped to the soil bits that spill when will ramming, effectual improvement tamp efficiency and quality.
The invention can move according to the requirement, is convenient to use, can ensure the stability of the whole device during tamping, can scrape splashed soil scraps to the tamping part, and ensures the tamping effect and efficiency.
Drawings
FIG. 1 is a schematic structural view of a reciprocating building tamping system according to the present invention;
FIG. 2 is a schematic diagram of a circular plate and an elliptical trough structure of a reciprocating building tamping system according to the present invention;
FIG. 3 is a schematic structural view of part A of a reciprocating building tamping system according to the present invention;
FIG. 4 is a schematic structural view of part B of a reciprocating building tamping system according to the present invention;
fig. 5 is a schematic structural diagram of part C of a reciprocating building tamping system according to the present invention.
In the figure: 1. a base plate; 2. an electric push rod; 3. mounting a plate; 4. a guide wheel; 5. a slide hole; 6. a drive plate; 7. a pressure spring; 8. inserting plates; 9. a side plate; 10. a first screw; 11. a knob; 12. a connecting plate; 13. a drive plate; 14. a mounting frame; 15. pushing the plate; 16. a top plate; 17. a first mounting box; 18. a first drive motor; 19. a second screw; 20. a support; 21. a second mounting box; 22. a second drive motor; 23. a drive shaft; 24. fixing the rod; 25. a second bearing; 26. a circular plate; 27. an elliptical trough; 28. connecting blocks; 29. a pillar; 30. tamping plates; 31. a through hole; 32. a squeegee; 33. a connector tile; 34. a chute; 35. a limiting rod; 36. a support bar; 37. a spring; 38. a first slider; 39. a second slider; 40. a first bearing.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-5, a reciprocating building tamping system comprises a base plate 1, two transmission plates 6 are symmetrically and slidably mounted on the base plate 1, insertion plates 8 are slidably mounted at the bottoms of the two transmission plates 6, side plates 9 are fixedly mounted on the two insertion plates 8, first bearings 40 are fixedly mounted at the tops of the two side plates 9, first screws 10 are fixedly mounted at the inner rings of the two first bearings 40, connecting plates 12 are threadedly mounted on the two first screws 10, the two connecting plates 12 are fixedly connected with the two transmission plates 6 correspondingly, knobs 11 are fixedly mounted at the tops of the two first screws 10, two first sliders 38 are symmetrically and slidably mounted at the top of the base plate 1, driving plates 13 are fixedly mounted at the tops of the two first sliders 38, a mounting frame 14 is fixedly mounted at the top of the base plate 1, and two second sliders 39 are symmetrically and slidably mounted on the mounting frame 14, the two second sliding blocks 39 are fixedly provided with the push plates 15, the top parts of the two push plates 15 are fixedly provided with the same top plate 16, the top part of the mounting frame 14 is fixedly provided with a first mounting box 17, the first mounting box 17 is internally fixedly provided with a first driving motor 18, the output shaft of the first driving motor 18 is fixedly provided with a second screw 19, the second screw 19 is in threaded connection with the top plate 16, the mounting frame 14 is internally fixedly provided with a second mounting box 21, the second mounting box 21 is internally fixedly provided with a second driving motor 22, the output shaft of the second driving motor 22 is fixedly provided with the left end of the driving shaft 23, the mounting frame 14 is internally fixedly provided with a second bearing 25, the right end of the driving shaft 23 is fixedly connected with the inner ring of the second bearing 25, the driving shaft 23 is rotatably arranged in the mounting frame 14, the driving shaft 23 is symmetrically and fixedly provided with two circular plates 26, the bottom plate 1 is provided with a through hole 31, the support 29 is slidably mounted in the through hole 31, the bottom of the support 29 is fixedly provided with a tamping plate 30, the bottom of the bottom plate 1 is symmetrically slidably provided with two scraping plates 32, and the two scraping plates 32 are fixedly provided with connecting plates 33.
In this embodiment, the bottom of the bottom plate 1 is symmetrically and fixedly provided with two electric push rods 2, the output shafts of the two electric push rods 2 are fixedly provided with the mounting plates 3, and the bottoms of the two mounting plates 3 are fixedly provided with the guide wheels 4, so that the whole device can be moved conveniently.
In this embodiment, two sliding holes 5 have been seted up to the symmetry on the bottom plate 1, and two driving plates 6 slidable mounting have guaranteed the stable slip of two driving plates 6 in two sliding holes 5 respectively.
In this embodiment, equal fixed mounting has pressure spring 7 in two sliding hole 5, and two pressure springs 7 respectively with two driving plate 6 fixed connection, have ensured that two driving plate 6 can reset after losing the resistance.
In this embodiment, the top of the mounting frame 14 is fixedly mounted with a bracket 20, and the second screw 19 is rotatably mounted on the bracket 20, so as to ensure the stable rotation of the second screw 19.
In this embodiment, the fixing rod 24 is fixedly installed in the mounting frame 14, and the driving shaft 23 is rotatably installed on the fixing rod 24, so as to ensure the stable rotation of the driving shaft 23.
In this embodiment, the two circular plates 26 are both slidably mounted with the connecting blocks 28, and the two connecting blocks 28 are both fixedly mounted on the pillars 29, so that the pillars 29 can be driven to move by the rotation of the two circular plates 26.
In this embodiment, the two circular plates 26 are provided with elliptical grooves 27, and the two connecting blocks 28 are slidably mounted in the two elliptical grooves 27, so that the two circular plates 26 can drive the pillars 29 to reciprocate up and down.
In this embodiment, two chutes 34 have been seted up to bottom plate 1's bottom symmetry, and equal fixed mounting has gag lever post 35 in two chutes 34, and equal slidable mounting has bracing piece 36 on two gag lever posts 35, and the bottom of two bracing pieces 36 corresponds fixed mounting with two scraper blades 32, has guaranteed that two scraper blades 32's steady removal does not rock.
In this embodiment, equal fixed mounting has spring 37 in two spouts 34, and two springs 37 correspond and two bracing pieces 36 fixed connection for can reset after two scraper blades 32 lose thrust.
Example two
Referring to fig. 1-5, a reciprocating building tamping system comprises a base plate 1, two transmission plates 6 are symmetrically and slidably mounted on the base plate 1, insertion plates 8 are slidably mounted at the bottoms of the two transmission plates 6, side plates 9 are fixedly mounted on the two insertion plates 8 by welding, first bearings 40 are fixedly mounted at the tops of the two side plates 9 by welding, first screws 10 are fixedly mounted at the inner rings of the two first bearings 40 by welding, connecting plates 12 are fixedly mounted on the two first screws 10 by threads, the two connecting plates 12 are correspondingly and fixedly connected with the two transmission plates 6, knobs 11 are fixedly mounted at the tops of the two first screws 10 by welding, two first sliders 38 are symmetrically and slidably mounted at the top of the base plate 1, drive plates 13 are fixedly mounted at the tops of the two first sliders 38 by welding, and a mounting frame 14 is fixedly mounted at the top of the base plate 1 by welding, two second sliding blocks 39 are symmetrically and slidably mounted on the mounting frame 14, push plates 15 are fixedly mounted on the two second sliding blocks 39 through welding, the top parts of the two push plates 15 are fixedly mounted with a same top plate 16 through welding, a first mounting box 17 is fixedly mounted on the top part of the mounting frame 14 through screws, a first driving motor 18 is fixedly mounted in the first mounting box 17 through screws, a second screw 19 is fixedly mounted on an output shaft of the first driving motor 18 through welding, the second screw 19 is in threaded connection with the top plate 16, a second mounting box 21 is fixedly mounted in the mounting frame 14 through screws, a second driving motor 22 is fixedly mounted in the second mounting box 21 through screws, the left end of a driving shaft 23 is fixedly mounted on an output shaft of the second driving motor 22 through welding, a second bearing 25 is fixedly mounted in the mounting frame 14 through welding, and the right end of the driving shaft 23 is fixedly connected with an inner ring of the second bearing 25, the driving shaft 23 is rotatably installed in the installation frame 14, two circular plates 26 are symmetrically and fixedly installed on the driving shaft 23 through welding, the same supporting column 29 is movably installed on the two circular plates 26, a through hole 31 is formed in the bottom plate 1, the supporting column 29 is slidably installed in the through hole 31, a tamping plate 30 is fixedly installed at the bottom of the supporting column 29 through welding, two scraping plates 32 are symmetrically and slidably installed at the bottom of the bottom plate 1, and connecting plates 33 are fixedly installed on the two scraping plates 32 through welding.
In this embodiment, the bottom symmetry of bottom plate 1 has two electric putter 2 through screw fixed mounting, all installs mounting panel 3 through welded fastening on two electric putter 2's the output shaft, and a plurality of leading wheel 4 is all installed through welded fastening in the bottom of two mounting panels 3, makes things convenient for the removal of whole device.
In this embodiment, two sliding holes 5 have been seted up to the symmetry on the bottom plate 1, and two driving plates 6 slidable mounting have guaranteed the stable slip of two driving plates 6 in two sliding holes 5 respectively.
In this embodiment, all install pressure spring 7 through welded fastening in two sliding hole 5, two pressure springs 7 respectively with two driving plate 6 fixed connection, ensured that two driving plate 6 can reset after losing the resistance.
In this embodiment, the top of the mounting frame 14 is fixedly provided with a bracket 20 by welding, and the second screw 19 is rotatably mounted on the bracket 20, so as to ensure the stable rotation of the second screw 19.
In this embodiment, the fixing rod 24 is fixedly installed in the mounting frame 14 by welding, and the driving shaft 23 is rotatably installed on the fixing rod 24, so that the stable rotation of the driving shaft 23 is ensured.
In this embodiment, the two circular plates 26 are all slidably mounted with the connecting blocks 28, and the two connecting blocks 28 are all fixedly mounted on the support posts 29 by welding, so that the support posts 29 can be driven to move by the rotation of the two circular plates 26.
In this embodiment, the two circular plates 26 are provided with elliptical grooves 27, and the two connecting blocks 28 are slidably mounted in the two elliptical grooves 27, so that the two circular plates 26 can drive the pillars 29 to reciprocate up and down.
In this embodiment, two chutes 34 have been seted up to bottom plate 1's bottom symmetry, all have gag lever post 35 through welded fastening in two chutes 34, and equal slidable mounting has bracing piece 36 on two gag lever posts 35, and the bottom of two bracing pieces 36 corresponds fixed mounting with two scraper blades 32, has guaranteed that two scraper blades 32's stable removal does not rock.
In this embodiment, all there is spring 37 through welded fastening in two spouts 34, and two springs 37 correspond fixed connection with two bracing pieces 36 for can reset after two scraper blades 32 lose thrust.
In the embodiment, when the foundation needs to be tamped, the device is moved to a proper position through a plurality of guide wheels 4, after the movement is finished, two mounting plates 3 are driven to move through two electric push rods 2, so that two scraping plates 32 can contact the ground, at the moment, a first driving motor 18 is started, the first driving motor 18 drives a second screw rod 19 to rotate, the second screw rod 19 drives a top plate 16 to move, the top plate 16 drives two push plates 15 to move, the two push plates 15 respectively drive two driving plates 13 to move, the two driving plates 13 respectively drive two driving plates 6 to move, the two driving plates 6 respectively drive two plugboards 8 to move, the two plugboards 8 are inserted into the ground, the stability of the whole device is ensured, the two first screw rods 10 can be rotated to drive the two plugboards 8 to move, the positions of the two plugboards 8 can be changed, after the device is fixed, the second driving motor 22 is started, second driving motor 22 drives drive shaft 23 and rotates, drive shaft 23 drives two plectanes 26 and rotates, two plectanes 26 drive pillar 29 through two connecting blocks 28 and reciprocate, pillar 29 drives ramming plate 30 and removes and tamp ground, simultaneously ramming plate 30 can drive two scraper blades 32 through two link plate 33 when removing and remove, squeeze two scraper blades 32 and open, two scraper blades 32 also reset thereupon when ramming plate 30 moves back and resets, scrape back the punning department with the soil bits that splash when tamping simultaneously, great improvement the tamping effect and efficiency.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282929.XA CN112482351A (en) | 2020-11-17 | 2020-11-17 | Reciprocating type building tamping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282929.XA CN112482351A (en) | 2020-11-17 | 2020-11-17 | Reciprocating type building tamping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112482351A true CN112482351A (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011282929.XA Withdrawn CN112482351A (en) | 2020-11-17 | 2020-11-17 | Reciprocating type building tamping system |
Country Status (1)
| Country | Link |
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| CN (1) | CN112482351A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871967A (en) * | 2022-11-30 | 2023-03-31 | 广东电网有限责任公司广州供电局 | 5G WiFi image transmission system assembly applied to unmanned aerial vehicle |
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| CN207659951U (en) * | 2017-11-16 | 2018-07-27 | 湖南城建职业技术学院 | A kind of rammer compacter of the civil construction with smooth function |
| CN108611952A (en) * | 2018-04-03 | 2018-10-02 | 郭志颖 | A kind of Construction of Civil Engineering road surface tamping unit driven based on disk |
| CN108643008A (en) * | 2018-04-16 | 2018-10-12 | 魏焰 | A kind of road surface tamping unit of the changeable force intensity of Construction of Civil Engineering |
| CN211646335U (en) * | 2019-12-20 | 2020-10-09 | 中铁二十一局集团第五工程有限公司 | A soil compaction device |
| CN211713941U (en) * | 2019-09-16 | 2020-10-20 | 湖州泰益智能科技有限公司 | Tamping equipment for foundation treatment |
-
2020
- 2020-11-17 CN CN202011282929.XA patent/CN112482351A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017186883A (en) * | 2016-03-18 | 2017-10-12 | ボーマーク・ゲー・エム・ベー・ハーＢｏｍａｇ Ｇｍｂｈ | Soil compaction method using mountable compaction device, mountable compaction device, and excavator provided with mountable compaction device |
| CN207659951U (en) * | 2017-11-16 | 2018-07-27 | 湖南城建职业技术学院 | A kind of rammer compacter of the civil construction with smooth function |
| CN108611952A (en) * | 2018-04-03 | 2018-10-02 | 郭志颖 | A kind of Construction of Civil Engineering road surface tamping unit driven based on disk |
| CN108643008A (en) * | 2018-04-16 | 2018-10-12 | 魏焰 | A kind of road surface tamping unit of the changeable force intensity of Construction of Civil Engineering |
| CN211713941U (en) * | 2019-09-16 | 2020-10-20 | 湖州泰益智能科技有限公司 | Tamping equipment for foundation treatment |
| CN211646335U (en) * | 2019-12-20 | 2020-10-09 | 中铁二十一局集团第五工程有限公司 | A soil compaction device |
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| CN115871967A (en) * | 2022-11-30 | 2023-03-31 | 广东电网有限责任公司广州供电局 | 5G WiFi image transmission system assembly applied to unmanned aerial vehicle |
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Application publication date: 20210312 |