CN113605351A - Intelligent rolling forming device for roadbed - Google Patents
Intelligent rolling forming device for roadbed Download PDFInfo
- Publication number
- CN113605351A CN113605351A CN202111058243.7A CN202111058243A CN113605351A CN 113605351 A CN113605351 A CN 113605351A CN 202111058243 A CN202111058243 A CN 202111058243A CN 113605351 A CN113605351 A CN 113605351A
- Authority
- CN
- China
- Prior art keywords
- protective housing
- forming device
- shape slide
- rod
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 206010066054 Dysmorphism Diseases 0.000 claims description 22
- 239000002689 soil Substances 0.000 abstract description 11
- 239000004575 stone Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005056 compaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003860 storage 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
- E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/105—Raking, scraping or other mechanical loosening devices, e.g. for caked dirt ; Apparatus for mechanically moving dirt on road surfaces, e.g. wipers for evacuating mud
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Architecture (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Machines (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides an intelligent rolling forming device for a roadbed, and relates to the field of roadbed rolling forming. This road bed intelligence rolls forming device, including the drive automobile body, roll roller, protective housing and hydraulic push rod, T shape sliding tray has been seted up at the protective housing top, the inside T shape slide that is provided with of T shape sliding tray, hydraulic push rod bottom run through T shape slide and with T shape slide fixed connection. This road bed intelligence rolls forming device, with debris such as the inside stone in road bed soil layer, the plastic bag, the rope, dead branch fallen leaves promote, avoid rolling the roller directly to push into road bed soil layer with debris inside, and be a plurality of direction commentaries on classics pipes of the sketch plate bottom that the arc rotated the installation, can guide out the route that rolls the roller and remove with accumulational debris, avoid rolling inside the roller pushes away road bed soil layer with debris, guarantee to roll the quality of the road bed that the roller rolled out, improve the drive automobile body and roll the work efficiency of roller.
Description
Technical Field
The invention relates to a rolling forming device, in particular to an intelligent rolling forming device for a roadbed, and belongs to the technical field of roadbed rolling forming.
Background
The roadbed is the foundation of the road and is related to the safety, the operation efficiency, the service life and other aspects of the road. With the rapid development of freight logistics, the increase of the operating speed, particularly in highway applications, requires a roadbed structure to provide a smoother and more stable support for the superstructure. The compaction quality of roadbed filling engineering is the basis for determining the structural performance, and the roadbed compaction quality comprises three contents of compaction degree, compaction uniformity, compaction stability and the like.
Along with information technology's wide application, the road bed rolls the little and single work of mode of this kind of technical degree of difficulty, some have appeared and have carried out the road bed intelligence rolling machine of simple work through intelligent system control, these devices are by experimental application in some road beds that the degree of difficulty is little roll the work, these devices though can break away from the staff because the environment, the mood, the work efficiency that factors such as operation caused descends, but when having debris such as stone, rope word strap, fallen leaves dead branch on the road surface, inside road bed intelligence rolling machine directly pressed it into usually, the price/performance ratio of road bed intelligence rolling machine has been reduced, be unfavorable for the application popularization of device.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the problems that in the prior art, although the intelligent rolling forming device for the roadbed can get rid of the reduction of the working efficiency of workers due to factors such as environment, emotion and operation, when sundries such as stones, rope-shaped woven belts, fallen leaves, dead branches and the like exist on the road surface, the intelligent rolling forming device for the roadbed normally directly presses the sundries into the roadbed, the cost performance of the intelligent rolling forming device for the roadbed is reduced, and the intelligent rolling forming device for the roadbed is not beneficial to application and popularization.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a road bed intelligence rolls forming device, includes the drive automobile body, rolls roller, protective housing and hydraulic push rod, T shape sliding tray has been seted up at the protective housing top, the inside T shape slide that is provided with of T shape sliding tray, hydraulic push rod bottom run through T shape slide and with T shape slide fixed connection, the hydraulic push rod bottom is provided with connecting threaded rod, the connecting threaded rod bottom is connected with the sketch plate, the sketch plate bottom is rotated and is connected with a plurality of direction rotary pipes, the inside rotation of direction rotary pipe is connected with thin pole, thin pole bottom extends the direction rotary pipe inside.
Preferably, protective housing fixed connection is in drive automobile body front side, it connects inside the protective housing to roll the roller rotation, roll roller bottom and extend inside the protective housing, the sketch plate sets up in the protective housing front side, and is a plurality of the direction revolving tube is the arc and distributes in sketch plate bottom front side, protects rolling the roller through the protective housing, guarantees to roll the clean on roller surface, improves the work efficiency who rolls the roller.
Preferably, hydraulic rod bottom and special-shaped plate top have all been seted up and have been dismantled the thread groove, connecting threaded rod both ends all extend into and dismantle inside the thread groove, connecting threaded rod outside top and hydraulic rod threaded connection, connecting threaded rod outside bottom and special-shaped plate threaded connection, through connecting threaded rod with hydraulic rod and special-shaped plate connection installation, guarantee to break away from fast between special-shaped plate and the hydraulic rod fixedly, guarantee the convenience that special-shaped plate changed.
Preferably, connecting threaded rod outside cover is equipped with the control ring, the side channel has been seted up to control ring one side, the inside handle that is provided with of side channel, the handle sets up in dysmorphism roof portion, T shape slide front side fixedly connected with elastic sleeve, the handle matches with elastic sleeve, through elastic sleeve and handle cooperation, lays the dysmorphism board in T shape slide one side, makes things convenient for the use of handle.
Preferably, T shape slide bottom has been seted up and has been accomodate the groove, hydraulic push rod bottom extends into accomodate inslot portion and with T shape slide fixed connection, accomodate groove and operation ring phase-match, spacing thread groove has all been seted up at T shape slide top and protective housing top, T shape slide top is provided with stop screw, stop screw set up in inside and with T shape slide threaded connection of stop thread groove, square groove has been seted up at the stop screw top, is in the same place T shape slide and protective housing are fixed through stop screw, and surperficial T shape slide takes place to remove at the removal in-process, guarantees hydraulic push rod's safety.
Preferably, a plurality of guide grooves are formed in the front side of the protective shell, a fixed fixture block is fixedly connected to one side of the special-shaped plate, the fixture block is arranged inside the guide grooves, the moving track of the special-shaped plate is guided through the guide grooves, the special-shaped plate is guaranteed to move horizontally, and the working efficiency of the special-shaped plate is improved.
Preferably, the sketch plate top is close to one side both ends fixedly connected with riser, two the thread groove has all been seted up at riser and protective housing front side both ends, sketch plate top both sides all are provided with lays the screw rod, lay the screw rod set up in the thread groove inside and with riser threaded connection, lay screw rod one end fixedly connected with operation panel, through the riser with lay the screw rod cooperation, fix the sketch plate in the protective housing front side, the convenient operating condition to the sketch plate changes.
The invention provides an intelligent rolling forming device for a roadbed, which has the following beneficial effects:
1. this road bed intelligence rolls forming device, with debris such as the inside stone in road bed soil layer, the plastic bag, the rope, dead branch fallen leaves promote, avoid rolling the roller directly to push into road bed soil layer with debris inside, and be a plurality of direction commentaries on classics pipes of the sketch plate bottom that the arc rotated the installation, can guide out the route that rolls the roller and remove with accumulational debris, avoid rolling inside the roller pushes away road bed soil layer with debris, guarantee to roll the quality of the road bed that the roller rolled out, improve the drive automobile body and roll the work efficiency of roller.
2. This road bed intelligence rolls forming device, the operation handle can make the connecting threaded rod who connects hydraulic push rod and dysmorphism board rotatory, makes inside connecting threaded rod rotatory entering hydraulic push rod bottom the dismantlement thread groove of seting up, makes the fixed between hydraulic push rod and the dysmorphism board lose, makes things convenient for the staff to demolish the dysmorphism board from the protective housing front side.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connecting threaded rod of the present invention;
FIG. 3 is a schematic view of the T-shaped slider of the present invention;
fig. 4 is a schematic structural diagram of the special-shaped plate of the present invention.
In the figure: 1. driving the vehicle body; 2. rolling a roller; 3. a protective shell; 4. a shaped plate; 5. guiding and rotating the pipe; 6. a thin rod; 7. a T-shaped sliding groove; 8. a T-shaped slide plate; 9. a hydraulic push rod; 10. connecting a threaded rod; 11. disassembling the thread groove; 12. an operating ring; 13. a side groove; 14. a grip; 15. a receiving groove; 16. an elastic sleeve; 17. a limit screw; 18. a limiting thread groove; 19. a guide groove; 20. a vertical plate; 21. placing a screw rod; 22. a thread groove.
Detailed Description
The embodiment of the invention provides an intelligent rolling forming device for a roadbed.
Referring to fig. 1, 2, 3 and 4, includes a drive vehicle body 1, roll roller 2, protective housing 3 and hydraulic push rod 9, T shape sliding tray 7 has been seted up at 3 tops of protective housing, 3 fixed connection in the 1 front side of drive automobile body of protective housing, roll roller 2 rotates to be connected inside protective housing 3, roll roller 2 bottom extends inside protective housing 3, dysmorphism board 4 sets up in 3 front sides of protective housing, a plurality of direction runners 5 are arc distribution in 4 bottom front sides of dysmorphism board, the inside T shape slide 8 that is provided with of T shape sliding tray 7, hydraulic push rod 9 bottom run through T shape slide 8 and with T shape slide 8 fixed connection, hydraulic push rod 9 bottom is provided with connecting threaded rod 10, connecting threaded rod 10 bottom is connected with dysmorphism board 4, 4 bottom rotations of dysmorphism board are connected with a plurality of direction runners 5, the inside rotation of direction runner 5 is connected with slender pole 6, slender pole 6 bottom extends direction runner 5 inside.
Specifically, a hydraulic push rod 9 arranged on one side of the protective shell 3 is controlled to be opened, a special-shaped plate 4 connected with the bottom of the hydraulic push rod 9 is pushed, thin rods 6 distributed in an arc shape on the front side of the bottom of the special-shaped plate 4 are inserted into a soft roadbed soil layer, when the driving vehicle body 1 pushes the rolling roller 2 to roll the roadbed soil layer, the thin rods 6 are pushed by the protective shell 3 to move synchronously with the rolling roller 2 so as to push sundries such as stones, plastic bags, ropes, dead branches and fallen leaves and the like in the roadbed soil layer and prevent the rolling roller 2 from directly pressing the sundries into the roadbed soil layer, and be a plurality of direction rotary pipes 5 of the 4 bottoms of dysmorphism board of arc rotation installation, can guide out the route that rolls roller 2 and remove accumulational debris, avoid rolling roller 2 inside pressing debris into the road bed soil layer, guarantee the quality of the road bed that rolls roller 2 and roll out, improve the work efficiency of drive automobile body 1 and roll roller 2.
Referring to fig. 1, 2, 3 and 4 again, the bottom of the hydraulic push rod 9 and the top of the special-shaped plate 4 are both provided with a disassembly thread groove 11, both ends of the connecting threaded rod 10 extend into the disassembly thread groove 11, the top of the outer side of the connecting threaded rod 10 is in threaded connection with the hydraulic push rod 9, the bottom of the outer side of the connecting threaded rod 10 is in threaded connection with the special-shaped plate 4, the outer side of the connecting threaded rod 10 is sleeved with an operating ring 12, one side of the operating ring 12 is provided with a side groove 13, the inside of the side groove 13 is provided with a handle 14, the handle 14 is arranged at the top of the special-shaped plate 4, the front side of the T-shaped sliding plate 8 is fixedly connected with an elastic sleeve 16, the handle 14 is matched with the elastic sleeve 16, the bottom of the T-shaped sliding plate 8 is provided with an accommodating groove 15, the bottom of the hydraulic push rod 9 extends into the accommodating groove 15 and is fixedly connected with the T-shaped sliding plate 8, the accommodating groove 15 is matched with the operating ring 12, the top of the T-shaped sliding plate 8 and the top of the protective shell 3 are both provided with a limit thread groove 18, the top of the T-shaped sliding plate 8 is provided with a limiting screw rod 17, the limiting screw rod 17 is arranged in a limiting thread groove 18 and is in threaded connection with the T-shaped sliding plate 8, and a square groove is formed in the top of the limiting screw rod 17.
Specifically, the handle 14 is inserted into a side groove 13 formed in one side of the operation ring 12, then the handle 14 is rotated to rotate the operation ring 12, the operation ring 12 is sleeved outside a connection threaded rod 10, the operation handle 14 can rotate the connection threaded rod 10 connecting the hydraulic push rod 9 and the special-shaped plate 4, the connection threaded rod 10 is rotated to enter a disassembly threaded groove 11 formed in the bottom of the hydraulic push rod 9, so that the fixation between the hydraulic push rod 9 and the special-shaped plate 4 is lost, a worker can conveniently disassemble the special-shaped plate 4 from the front side of the protective shell 3, when the hydraulic push rod 9 drives the operation ring 12 to enter a storage groove 15, the T-shaped sliding plate 8 is made to slide in a T-shaped sliding groove 7 formed in the top of the protective shell 3, when the T-shaped sliding plate 8 moves to the maximum, the limiting screw 17 is rotated to make the limiting screw 17 enter a limiting threaded groove 18 formed in the top of the protective shell 3, the T-shaped sliding plate 8 is fixed at the top of the protective shell 3, the T-shaped sliding plate 8 is prevented from shaking and moving in the moving process of the driving vehicle body 1, and the safety of the hydraulic push rod 9 is ensured.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 again, a plurality of guide grooves 19 are opened to the front side of the protective housing 3, a fixed fixture block is fixedly connected to one side of the special-shaped plate 4, the fixture block is arranged inside the guide grooves 19, vertical plates 20 are fixedly connected to two ends of one side of the special-shaped plate 4 close to the protective housing 3, thread grooves 22 are respectively formed at two vertical plates 20 and two ends of the front side of the protective housing 3, two sides of the top of the special-shaped plate 4 are respectively provided with a placing screw 21, the placing screw 21 is arranged inside the thread groove 22 and is in threaded connection with the vertical plates 20, and an operation panel is fixedly connected to one end of the placing screw 21.
Specifically, after hydraulic push rod 9 drove dysmorphism board 4 and removed to protective housing 3 top, rotatory dysmorphism board 4 top is through the screw rod 21 of laying that riser 20 is connected, makes to lay screw rod 21 and gets into inside the thread groove 22 that protective housing 3 front side was seted up, can fix dysmorphism board 4 in the protective housing 3 front side, avoids dysmorphism board 4 to rock under the inoperative state, guarantees the safety of dysmorphism board 4 in the removal transportation.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a road bed intelligence rolls forming device, includes drive automobile body (1), rolls roller (2), protective housing (3) and hydraulic push rod (9), its characterized in that: t shape sliding tray (7) have been seted up at protective housing (3) top, T shape sliding tray (7) inside is provided with T shape slide (8), hydraulic rod (9) bottom run through T shape slide (8) and with T shape slide (8) fixed connection, hydraulic rod (9) bottom is provided with connecting threaded rod (10), connecting threaded rod (10) bottom is connected with sketch plate (4), sketch plate (4) bottom is rotated and is connected with a plurality of direction and changes pipe (5), direction changes pipe (5) inside rotation and is connected with slender pole (6), slender pole (6) bottom extends direction and changes inside pipe (5).
2. The intelligent roadbed rolling forming device as claimed in claim 1, wherein: protective housing (3) fixed connection is in drive automobile body (1) front side, it connects inside protective housing (3) to roll roller (2) rotation, it extends inside protective housing (3) to roll roller (2) bottom, dysmorphism board (4) set up in protective housing (3) front side, and is a plurality of direction rotating pipe (5) are the arc and distribute in dysmorphism board (4) bottom front side.
3. The intelligent roadbed rolling forming device as claimed in claim 1, wherein: hydraulic rod (9) bottom and dysmorphism board (4) top have all been seted up and have been dismantled thread groove (11), connecting threaded rod (10) both ends all extend into and dismantle inside thread groove (11), connecting threaded rod (10) outside top and hydraulic rod (9) threaded connection, connecting threaded rod (10) outside bottom and dysmorphism board (4) threaded connection.
4. The intelligent roadbed rolling forming device as claimed in claim 1, wherein: connecting rod (10) outside cover is equipped with operating ring (12), side channel (13) have been seted up to operating ring (12) one side, inside handle (14) that is provided with of side channel (13), handle (14) set up in dysmorphism board (4) top, T shape slide (8) front side fixedly connected with elastic sleeve (16), handle (14) and elastic sleeve (16) phase-match.
5. The intelligent roadbed rolling forming device as claimed in claim 4, wherein: t shape slide (8) bottom has been seted up and has been accomodate groove (15), hydraulic push rod (9) bottom extends into accomodate inside groove (15) and with T shape slide (8) fixed connection, accomodate groove (15) and operation ring (12) phase-match, spacing thread groove (18) have all been seted up at T shape slide (8) top and protective housing (3) top, T shape slide (8) top is provided with stop screw (17), stop screw (17) set up in inside and with T shape slide (8) threaded connection in spacing thread groove (18), square groove has been seted up at stop screw (17) top.
6. The intelligent roadbed rolling forming device as claimed in claim 1, wherein: a plurality of guide grooves (19) are formed in the front side of the protective shell (3), a fixed clamping block is fixedly connected to one side of the special-shaped plate (4), and the clamping block is arranged inside the guide grooves (19).
7. The intelligent roadbed rolling forming device as claimed in claim 1, wherein: dysmorphism board (4) top is close to one side both ends fixedly connected with riser (20) of protective housing (3), two thread groove (22) have all been seted up at riser (20) and protective housing (3) front side both ends, dysmorphism board (4) top both sides all are provided with lays screw rod (21), lay screw rod (21) set up in thread groove (22) inside and with riser (20) threaded connection, lay screw rod (21) one end fixedly connected with operation panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058243.7A CN113605351B (en) | 2021-09-09 | 2021-09-09 | Intelligent rolling forming device for roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058243.7A CN113605351B (en) | 2021-09-09 | 2021-09-09 | Intelligent rolling forming device for roadbed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113605351A true CN113605351A (en) | 2021-11-05 |
| CN113605351B CN113605351B (en) | 2022-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058243.7A Active CN113605351B (en) | 2021-09-09 | 2021-09-09 | Intelligent rolling forming device for roadbed |
Country Status (1)
| Country | Link |
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| CN (1) | CN113605351B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386068A (en) * | 2017-09-15 | 2017-11-24 | 刘丽 | A kind of road roller that can clear up road surface in advance |
| CN108589605A (en) * | 2018-05-08 | 2018-09-28 | 芜湖超源力工业设计有限公司 | A kind of preposition obstacle cleaning plant of road roller |
| CN207958926U (en) * | 2018-03-07 | 2018-10-12 | 青岛隆辉市政园林工程有限公司 | A kind of municipal construction machinery of paving the way |
| CN109468919A (en) * | 2018-11-06 | 2019-03-15 | 史振荣 | A kind of road roller with aproll depositing dust function |
| CN110904797A (en) * | 2019-11-29 | 2020-03-24 | 青岛农业大学 | Civil engineering construction land slope measuring equipment |
| CN210368538U (en) * | 2019-07-26 | 2020-04-21 | 四川公路桥梁建设集团有限公司 | Tamping device for road bed construction |
| CN111149447A (en) * | 2020-01-16 | 2020-05-15 | 西藏农牧学院 | Stone sorting device and agricultural equipment |
| CN111608166A (en) * | 2020-06-04 | 2020-09-01 | 黑龙江省八达路桥建设有限公司富锦分公司 | Highway is back of culvert backfill tamping plant for bridge |
| CN211772606U (en) * | 2020-01-15 | 2020-10-27 | 广东佳林建设有限公司 | Road rolling device for building construction |
| CN212714764U (en) * | 2020-05-27 | 2021-03-16 | 河南瑞鼎建设工程有限公司 | Road surface snow throwing machine for municipal works |
-
2021
- 2021-09-09 CN CN202111058243.7A patent/CN113605351B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386068A (en) * | 2017-09-15 | 2017-11-24 | 刘丽 | A kind of road roller that can clear up road surface in advance |
| CN207958926U (en) * | 2018-03-07 | 2018-10-12 | 青岛隆辉市政园林工程有限公司 | A kind of municipal construction machinery of paving the way |
| CN108589605A (en) * | 2018-05-08 | 2018-09-28 | 芜湖超源力工业设计有限公司 | A kind of preposition obstacle cleaning plant of road roller |
| CN109468919A (en) * | 2018-11-06 | 2019-03-15 | 史振荣 | A kind of road roller with aproll depositing dust function |
| CN210368538U (en) * | 2019-07-26 | 2020-04-21 | 四川公路桥梁建设集团有限公司 | Tamping device for road bed construction |
| CN110904797A (en) * | 2019-11-29 | 2020-03-24 | 青岛农业大学 | Civil engineering construction land slope measuring equipment |
| CN211772606U (en) * | 2020-01-15 | 2020-10-27 | 广东佳林建设有限公司 | Road rolling device for building construction |
| CN111149447A (en) * | 2020-01-16 | 2020-05-15 | 西藏农牧学院 | Stone sorting device and agricultural equipment |
| CN212714764U (en) * | 2020-05-27 | 2021-03-16 | 河南瑞鼎建设工程有限公司 | Road surface snow throwing machine for municipal works |
| CN111608166A (en) * | 2020-06-04 | 2020-09-01 | 黑龙江省八达路桥建设有限公司富锦分公司 | Highway is back of culvert backfill tamping plant for bridge |
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| Publication number | Publication date |
|---|---|
| CN113605351B (en) | 2022-12-20 |
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