CN110939119B - Inspection shaft tamping device for engineering - Google Patents
Inspection shaft tamping device for engineering Download PDFInfo
- Publication number
- CN110939119B CN110939119B CN201911221944.0A CN201911221944A CN110939119B CN 110939119 B CN110939119 B CN 110939119B CN 201911221944 A CN201911221944 A CN 201911221944A CN 110939119 B CN110939119 B CN 110939119B
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- tamping
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- inspection well
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- fixed connection
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- 238000007689 inspection Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000005056 compaction Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 28
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 10
- 241000904014 Pappus Species 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
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)
- Food Science & Technology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses an inspection well tamping device for engineering, which comprises a base, a lifting worm, a driving gear, a tamping assembly, a first compacting mechanism, a second compacting mechanism and a crushing mechanism, wherein the lifting worm penetrates through the base and is rotatably connected with the base, the driving gear is positioned on one side of the upper surface of the base and is meshed with the lifting worm, the tamping assembly is positioned below the base and is fixedly connected with the lifting worm, and the first compacting mechanism is positioned at the lower end of the tamping assembly. According to the inspection well, the tamping assembly is arranged, the first compacting mechanism is arranged at the bottom end of the tamping assembly, the second compacting mechanism is arranged on the side wall of the tamping assembly, when the tamping assembly rotates and moves downwards, the second compacting mechanism can be used for compacting the side wall of the inspection well in the rotating and moving downwards process, and when the tamping assembly is positioned at the bottom end of the inspection well, the first compacting mechanism can be used for compacting the bottom end of the inspection well, so that the good tamping effect is ensured, the tamping efficiency is high, and the use is convenient.
Description
Technical Field
The invention relates to the related technical field of inspection well construction, in particular to an inspection well tamping device for engineering.
Background
The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. Generally, the inspection well is arranged at a pipeline intersection, a turning position, a pipe diameter or gradient changing position and a linear pipe section at a certain distance, so that auxiliary structures can be inspected conveniently and periodically.
However, the existing manhole tamping devices have the following disadvantages: the side wall and the bottom end of the inspection well installation pit cannot be tamped simultaneously during tamping, the working efficiency is low, and the tamping effect is poor; in the tamping process, when large soil blocks exist, the large soil blocks are not treated, so that the tamping effect is influenced, and improvement is needed.
Disclosure of Invention
The invention aims to provide an inspection well tamping device for engineering, which aims to solve the following defects of the existing inspection well tamping device mentioned in the background art: the side wall and the bottom end of the inspection well installation pit cannot be tamped simultaneously during tamping, the working efficiency is low, and the tamping effect is poor; in the tamping process, when large soil blocks exist, the large soil blocks are not treated, so that the tamping effect is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an inspection shaft tamping device for engineering, includes base, lifting worm, drive gear, tamping subassembly, first compaction mechanism, second compaction mechanism and rubbing crusher constructs, the lifting worm runs through the base and rotates with the base to be connected, drive gear is located base upper surface one side, and drive gear is connected with the lifting worm meshing, tamping subassembly be located the base below and with lifting worm fixed connection, first compaction mechanism is located tamping subassembly lower extreme, second compaction mechanism is located tamping subassembly lateral wall, rubbing crusher constructs inside being located tamping subassembly.
Preferably, the tamping assembly comprises an upper top plate and a balancing weight, the balancing weight is located at the lower end of the upper top plate, and the balancing weight is fixedly connected with the lower surface of the upper top plate.
Preferably, the first compaction mechanism comprises a lower pressing plate, the lower pressing plate is fixedly connected with the lower surface of the balancing weight, a through hole penetrates through the lower surface of the lower pressing plate, a movable baffle is arranged in the through hole, and the movable baffle is hinged with the lower pressing plate.
Preferably, the second compaction mechanism comprises a side compression roller and a first rotating shaft, the first rotating shaft is located at two ends of the side compression roller and fixedly connected with the side compression roller, the side compression roller is located between the upper top plate and the lower pressing plate, and the side compression roller and the upper top plate are rotatably connected with the lower pressing plate.
Preferably, first pivot both ends all are connected with first bearing, first pivot is connected with the rotation of roof and lower pressure plate through first bearing.
Preferably, rubbing crusher constructs including smashing blade, second pivot, first motor, electric push rod, first motor is located the inside recess that is equipped with of balancing weight, the output shaft fixed connection of electric push rod and first motor, the extension fixed connection of second pivot and electric push rod, smash blade and second pivot fixed connection, and smash the blade and pass the through-hole and extend and be located the holding down plate below.
Preferably, be equipped with supporting mechanism in the second pivot, supporting mechanism passes through second bearing and second pivot fixed connection, supporting mechanism includes dead lever, bracing piece and supports and press the ball, dead lever and second bearing one side fixed connection, bracing piece one end extend be located the dead lever inside and with the inside slider fixed connection that is equipped with of dead lever, slider one side is connected with the extrusion spring, extrusion spring one end and dead lever one side inner wall fixed connection.
Preferably, the pressing ball is fixedly connected with the supporting rod and is in contact with the movable baffle when working.
Preferably, the side wall of the balancing weight is provided with a cleaning soft brush, one side of the cleaning soft brush is fixedly connected with the balancing weight, and the other side of the cleaning soft brush is in contact with the surface of the side pressure roller.
Preferably, the base upper surface is equipped with the second motor, the output shaft and the drive gear fixed connection of second motor, base lower surface fixed connection inserts the post, it is the toper setting to insert the post bottom.
The invention provides an inspection well tamping device for engineering, which has the following beneficial effects:
(1) according to the inspection well, the tamping assembly is arranged, the first compaction mechanism is arranged at the bottom end of the tamping assembly, the second compaction mechanism is arranged on the side wall of the tamping assembly, the tamping assembly is fixedly connected with the lifting worm, the gear can be driven to rotate by the motor, the gear is meshed with the worm to rotate, so that the tamping assembly rotates and moves downwards, the second compaction mechanism can be used for compacting the side wall of the inspection well in the rotating and moving-downwards process, and meanwhile, when the tamping assembly is positioned at the bottom end of the inspection well, the first compaction mechanism can be used for compacting the bottom end of the inspection well, so that the good tamping effect is guaranteed, the tamping efficiency is high, and the use is convenient.
(2) According to the side compression roller cleaning device, the second compaction mechanism is arranged, when the worm drives the compaction assembly to rotate and move downwards, the side compression roller is in contact with the side wall of the inspection well and rotates, so that the side wall of the inspection well is compacted, the cleaning soft hairbrush is arranged on the side wall of the balancing weight, so that the surface of the side compression roller can be cleaned by the cleaning soft hairbrush when the side compression roller rotates, the cleaning effect is good, the rotating compaction effect is prevented from being influenced by soil adhered to the side compression roller, and continuous compaction work can be carried out.
(3) According to the invention, by arranging the crushing mechanism, when a large clod exists in the detection well, in order to ensure the tamping effect, the crushing mechanism can be used for crushing the large lug, and then the lower pressing plate on the first compacting mechanism is used for compacting the bottom end of the detection well, so that the good tamping effect is ensured, and the use is convenient.
(4) According to the invention, the support mechanism is arranged on the crushing mechanism, when the crushing mechanism extends below the lower pressing plate, the support rod on the support mechanism is in contact with the movable baffle plate through the pressing ball, so that the movable baffle plate is opened, the movable baffle plate is prevented from influencing the work of the crushing mechanism, and meanwhile, when the crushing mechanism finishes the work and is accommodated in the groove, the movable baffle plate is automatically closed, so that the lower pressing plate can conveniently perform compaction work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic structural view of the tamper assembly of the present invention;
FIG. 4 is a schematic view of the shredder mechanism of the present invention;
fig. 5 is a schematic structural diagram of the supporting mechanism of the present invention.
In the figure: 1. a base; 2. inserting a column; 3. a lifting worm; 4. a drive gear; 5. a lower pressing plate; 6. an upper top plate; 7. a side press roll; 8. a balancing weight; 9. a crushing mechanism; 10. cleaning the soft brush; 11. a first rotating shaft; 12. a first bearing; 13. a movable baffle; 14. a crushing blade; 15. a support mechanism; 16. a second rotating shaft; 17. a groove; 18. a first motor; 19. an electric push rod; 20. a second bearing; 21. fixing the rod; 22. a compression spring; 23. a slider; 24. a support bar; 25. pressing the ball; 26. a second motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides an inspection shaft tamping device for engineering, includes base 1, lifting worm 3, drive gear 4, tamp subassembly, first compaction mechanism, second compaction mechanism and rubbing crusher 9, lifting worm 3 runs through base 1 and rotates with base 1 and is connected, drive gear 4 is located 1 upper surface one side of base, and drive gear 4 meshes with lifting worm 3 and is connected, tamp subassembly be located base 1 below and with 3 fixed connection of lifting worm, first compaction mechanism is located tamp subassembly lower extreme, second compaction mechanism is located tamp subassembly lateral wall, rubbing crusher 9 is located inside the tamp subassembly.
The tamping assembly comprises an upper top plate 6 and a balancing weight 8, wherein the balancing weight 8 is located at the lower end of the upper top plate 6, the balancing weight 8 is fixedly connected with the lower surface of the upper top plate 6, and the tamping effect of the first compacting mechanism can be increased by the aid of the balancing weight 8 by setting the balancing weight 8.
First compaction mechanism includes holding down plate 5, holding down plate 5 and 8 lower fixed surface connections of balancing weight, 5 lower surfaces of holding down plate run through and are equipped with the through-hole, the through-hole is equipped with adjustable fender 13, adjustable fender 13 and 5 hinges of holding down plate through being equipped with adjustable fender 13, can utilize adjustable fender 13 to protect the through-hole, prevent to tamp during operation, inside soil enters into the through-hole.
The second compaction mechanism comprises a side compression roller 7 and a first rotating shaft 11, the first rotating shaft 11 is located at two ends of the side compression roller 7 and fixedly connected with the side compression roller 7, the side compression roller 7 is located between an upper top plate 6 and a lower pressing plate 5, the side compression roller 7 and the upper top plate 6 are rotatably connected with the lower pressing plate 5, and when the worm drives the compaction assembly to rotate and move downwards, the side compression roller 7 is in contact with and rotates with the side wall of the inspection well, so that the side wall of the inspection well is compacted, and the compaction effect is good.
The supporting mechanism 15 is arranged on the second rotating shaft 16, the supporting mechanism 15 is fixedly connected with the second rotating shaft 16 through a second bearing 20, the supporting mechanism 15 comprises a fixed rod 21, a supporting rod 24 and a pressing ball 25, the fixed rod 21 is fixedly connected with one side of the second bearing 20, one end of the supporting rod 24 extends into the fixed rod 21 and is fixedly connected with a sliding block 23 arranged in the fixed rod 21, one side of the sliding block 23 is connected with an extrusion spring 22, one end of the extrusion spring 22 is fixedly connected with the inner wall of one side of the fixed rod 21, when the electric push rod 19 pushes the second rotating shaft 16 out of the groove 17, the pressing ball 25 bears pressure, the extrusion spring 22 contracts, the sliding block 23 pulls the supporting rod 24 and the pressing ball 25 to contract, when the pressing ball 25 is positioned outside the groove 17, the extrusion spring 22 pushes the sliding block 23 and the supporting rod 24 to extend, so that the pressing ball 25 is contacted with the movable baffle 13, the flapper 13 is supported.
The pressing ball 25 is fixedly connected with the supporting rod 24, the pressing ball 25 is in contact with the movable baffle 13 during working, the pressing ball 25 is in contact with the movable baffle 13, the movable baffle 13 is opened, and the movable baffle 13 is prevented from influencing the work of the crushing mechanism 9.
Be equipped with clean pappus brush 10 on the 8 lateral walls of balancing weight, clean pappus brush 10 one side and 8 fixed connection of balancing weight, and clean pappus brush 10 opposite side and 7 surface contact of side pressure roller, through be equipped with clean pappus brush 10 on 8 lateral walls of balancing weight, can utilize clean pappus brush 10 to clean 7 surfaces of offside compression roller when side pressure roller 7 rotates, guarantee clean effectual, avoid the more soil of adhesion to influence on the side compression roller 7 and rotate compaction effect, can carry out compaction work in succession.
The utility model discloses a drive gear, including base 1, base 1 upper surface, output shaft and the 4 fixed connection of drive gear of second motor 26, the 1 lower fixed surface of base is connected with inserts post 2, it is the toper setting to insert 2 bottoms of post, can utilize second motor 26 to rotate and drive gear 4 and rotate to make drive gear 4 mesh worm rotate, make the worm carry out the elevating work, 1 bottoms of base are equipped with inserts post 2, can be convenient for fix base 1, and stability is high.
It should be noted that, when the engineering inspection well tamping device works, firstly, the base 1 is inserted into the ground through the inserting column 2, the base 1 is fixed, the tamping component is positioned above the inspection well, then the second motor 26 is started, the second motor 26 rotates in the forward direction and drives the driving gear 4 to rotate, so that the driving gear 4 is meshed with the worm to rotate, the worm rotates and descends, the tamping component rotates and moves downwards when the worm rotates and descends, the side compression roller 7 contacts with the side wall of the inspection well and rotates, so as to compact the side wall of the inspection well, meanwhile, the cleaning soft brush 10 arranged on the side wall of the balancing weight 8 can clean the surface of the side compression roller 7 by using the cleaning soft brush 10 when the side compression roller 7 rotates, so as to ensure good cleaning effect, avoid the influence of more soil adhered on the side compression roller 7 on the rotating and compacting effect, and can continuously compact the inner wall of the inspection well, when large soil blocks exist in the inspection well, the crushing mechanism 9 can be started to crush, the electric push rod 19 is started to extend to push the crushing blade 14 out of the groove 17, then the first motor 18 is started, the electric push rod 19 is driven to rotate by the first motor 18, so that the second rotating shaft 16 synchronously rotates, the crushing blade 14 fixedly connected with the second rotating shaft 16 rotates to crush the large bump, and therefore the subsequent tamping effect is good, when the electric push rod 19 pushes the second rotating shaft 16 out of the groove 17, the pressing ball 25 is under pressure, the pressing spring 22 contracts, the sliding block 23 pulls the supporting rod 24 and the pressing ball 25 to contract, when the pressing ball 25 is positioned outside the groove 17, the pressing spring 22 pushes the sliding block 23 and the supporting rod 24 to extend, so that the pressing ball 25 is in contact with the movable baffle 13 to support the movable baffle 13, and the crushing mechanism 9 is prevented from being influenced by the movable baffle 13, after crushing, the electric push rod 19 can be contracted, so that the crushing mechanism 9 is accommodated in the groove 17, the movable baffle 13 is closed and reset, then the lower pressing plate 5 is contacted with the bottom end inside the inspection well to carry out tamping work, and good tamping effect is ensured. Is convenient for use.
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 (7)
1. The inspection well tamping device for engineering is characterized by comprising a base (1), a lifting worm (3), a driving gear (4), a tamping assembly, a first compacting mechanism, a second compacting mechanism and a crushing mechanism (9), wherein the lifting worm (3) penetrates through the base (1) and is rotatably connected with the base (1), the driving gear (4) is positioned on one side of the upper surface of the base (1), the driving gear (4) is meshed with the lifting worm (3) and is connected with the base (1), the tamping assembly is positioned below the base (1) and is fixedly connected with the lifting worm (3), the first compacting mechanism is positioned at the lower end of the tamping assembly, the second compacting mechanism is positioned on the side wall of the tamping assembly, the crushing mechanism (9) is positioned inside the tamping assembly, the tamping assembly comprises an upper top plate (6) and a balancing weight (8), the balancing weight (8) is positioned at the lower end of the upper top plate (6), and balancing weight (8) and last roof (6) lower fixed surface are connected, first compaction mechanism includes holding down plate (5), holding down plate (5) and balancing weight (8) lower fixed surface are connected, holding down plate (5) lower surface runs through and is equipped with the through-hole, the through-hole is equipped with adjustable fender (13), adjustable fender (13) and holding down plate (5) hinge, second compaction mechanism is including side compression roller (7) and first pivot (11), first pivot (11) are located side compression roller (7) both ends and with side compression roller (7) fixed connection, side compression roller (7) are located between roof (6) and holding down plate (5), and side compression roller (7) and last roof (6) rotate with holding down plate (5) and are connected.
2. The engineering inspection well tamping device according to claim 1, wherein: first pivot (11) both ends all are connected with first bearing (12), first pivot (11) are connected with lower pressure plate (5) rotation through first bearing (12) and last roof (6).
3. The engineering inspection well tamping device according to claim 1, wherein: crushing mechanism (9) are including smashing blade (14), second pivot (16), first motor (18), electric push rod (19), first motor (18) are located inside recess (17) that is equipped with of balancing weight (8), the output shaft fixed connection of electric push rod (19) and first motor (18), the extension end fixed connection of second pivot (16) and electric push rod (19), smash blade (14) and second pivot (16) fixed connection, and smash blade (14) and pass through-hole extension and be located holding down plate (5) below.
4. The inspection well tamping device for engineering according to claim 3, wherein: be equipped with supporting mechanism (15) on second pivot (16), supporting mechanism (15) are through second bearing (20) and second pivot (16) fixed connection, supporting mechanism (15) include dead lever (21), bracing piece (24) and support and press ball (25), dead lever (21) and second bearing (20) one side fixed connection, bracing piece (24) one end extend be located dead lever (21) inside and with inside slider (23) fixed connection that is equipped with of dead lever (21), slider (23) one side is connected with extrusion spring (22), extrusion spring (22) one end and dead lever (21) one side inner wall fixed connection.
5. The inspection well tamping device for engineering according to claim 4, wherein: the pressing ball (25) is fixedly connected with the supporting rod (24), and the pressing ball (25) is in contact with the movable baffle (13) when working.
6. The engineering inspection well tamping device according to claim 1, wherein: the side wall of the balancing weight (8) is provided with a cleaning soft brush (10), one side of the cleaning soft brush (10) is fixedly connected with the balancing weight (8), and the other side of the cleaning soft brush (10) is in surface contact with the side pressing roller (7).
7. The engineering inspection well tamping device according to claim 1, wherein: base (1) upper surface is equipped with second motor (26), the output shaft and drive gear (4) fixed connection of second motor (26), base (1) lower fixed surface is connected with inserts post (2), it is the toper setting to insert post (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221944.0A CN110939119B (en) | 2019-12-03 | 2019-12-03 | Inspection shaft tamping device for engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221944.0A CN110939119B (en) | 2019-12-03 | 2019-12-03 | Inspection shaft tamping device for engineering |
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| CN110939119A CN110939119A (en) | 2020-03-31 |
| CN110939119B true CN110939119B (en) | 2022-02-15 |
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| CN201911221944.0A Active CN110939119B (en) | 2019-12-03 | 2019-12-03 | Inspection shaft tamping device for engineering |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089632A (en) * | 2021-04-29 | 2021-07-09 | 任洪胜 | Ramming machine for hydraulic engineering construction |
| CN114017034A (en) * | 2021-10-27 | 2022-02-08 | 中国一冶集团有限公司 | Pile foundation engineering rotary-digging pore-forming pore wall tamping device and method |
| CN114717911B (en) * | 2022-05-20 | 2024-06-14 | 荣鸿建工集团有限公司 | Inspection well Zhou Benshi device for road construction |
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| CN207331667U (en) * | 2017-10-01 | 2018-05-08 | 姚爱涛 | A kind of road and bridge crater wall tamping unit |
| CN207684536U (en) * | 2017-12-30 | 2018-08-03 | 王彪 | A kind of coal leveling machine of coal mine entrucking outward transport |
| CN208981310U (en) * | 2018-06-21 | 2019-06-14 | 湖北宸远建设有限公司 | A kind of road and bridge crater wall tamping unit |
| CN110331712A (en) * | 2019-08-15 | 2019-10-15 | 张德明 | A kind of road and bridge construction maintenance of surface device |
| CN211057800U (en) * | 2019-11-27 | 2020-07-21 | 刘建 | Construction engineering is with clear native equipment in on-spot stake hole |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5020547B1 (en) * | 1969-12-24 | 1975-07-16 | ||
| CN204803874U (en) * | 2015-06-17 | 2015-11-25 | 杭州汇达绿地有限公司 | Automatic machine is rammed to striking formula |
| CN206655094U (en) * | 2017-04-20 | 2017-11-21 | 樊凯 | A kind of novel road bridge construction rammer compacter |
| CN207331667U (en) * | 2017-10-01 | 2018-05-08 | 姚爱涛 | A kind of road and bridge crater wall tamping unit |
| CN207684536U (en) * | 2017-12-30 | 2018-08-03 | 王彪 | A kind of coal leveling machine of coal mine entrucking outward transport |
| CN208981310U (en) * | 2018-06-21 | 2019-06-14 | 湖北宸远建设有限公司 | A kind of road and bridge crater wall tamping unit |
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| CN211057800U (en) * | 2019-11-27 | 2020-07-21 | 刘建 | Construction engineering is with clear native equipment in on-spot stake hole |
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| CN110939119A (en) | 2020-03-31 |
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