CN112930724A - Land reclamation is with levelling machine - Google Patents
Land reclamation is with levelling machine Download PDFInfo
- Publication number
- CN112930724A CN112930724A CN202110231351.3A CN202110231351A CN112930724A CN 112930724 A CN112930724 A CN 112930724A CN 202110231351 A CN202110231351 A CN 202110231351A CN 112930724 A CN112930724 A CN 112930724A
- Authority
- CN
- China
- Prior art keywords
- soil
- telescopic rod
- rotating support
- plate
- electric telescopic
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/027—Combined machines with two or more soil-working tools of different kind with a rotating, soil working support element, e.g. a roller
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B51/00—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus
- A01B51/04—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus drawn by animal or tractor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a leveling machine for land reclamation, which comprises an installation platform, wherein the front end of the installation platform is movably connected with a traction frame, a rotary drum is rotatably connected between supporting side plates, the peripheral surface of the rotary drum is provided with a plurality of helical blades, one side of each supporting side plate is provided with a soil inlet bin, one side of the installation platform, which is far away from the traction frame, is provided with a wheel accommodating shell, the back surface of the wheel accommodating shell is provided with a transverse block, two sides of the surface of the bottom end of the transverse block are respectively provided with a spring rod, the bottom end of each spring rod is connected with a clamping rod, and a flattening column is rotatably connected. The height of the front end of the traction frame can be adjusted through the first electric telescopic rod, so that the traction frame can be conveniently connected with the rear part of a trailer, the height of the wheel containing shell is adjusted through the second electric telescopic rod, the spiral blades are inserted into the ground to loosen the soil, then the soil is discharged through the soil inlet bin, the soil is preliminarily leveled through the soil scraping plate and then discharged, and finally the leveling column is pushed by the spring rod to compact the soil.
Description
Technical Field
The invention relates to the field of machinery, in particular to a leveling machine for land reclamation.
Background
The mine land reclamation is an activity that mining authorities take remedial measures to restore the land to a usable state according to the requirements of laws and regulations such as mineral resources, land management and the like to the land damaged by digging damage, collapse and the like in the process of mine construction and production. Mine land reclamation is a method and process for surveying planning, fill-and-level remediation and development and utilization of land abandoned by mining. Mining operations cause land destruction and scarcity, which is a serious problem ubiquitous in all countries of the world.
Generally need carry out the level and smooth operation to the soil when land reclamation, there is the defect in the use of current land levelling machine, for example application number CN201820267073.0, a land levelling machine for land reclamation is through leveling plate 12 constantly from top to bottom impact ground, reaches the effect of leveling the soil, but in use, once can only carry out the land levelling to a little region, needs often change the position simultaneously, and is very troublesome in the operation, and is inefficient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a leveling machine for land reclamation.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a leveling machine for land reclamation, which comprises an installation platform, wherein the front end of the installation platform is movably connected with a traction frame, the top end surface of the traction frame is provided with a first rotating support, the top end surface of the front side of the installation platform is provided with a second rotating support, the second rotating support is higher than the first rotating support, a first electric telescopic rod is rotatably connected between the first rotating support and the top end of the second rotating support, the left side and the right side of the front end surface of the bottom end of the installation platform are both provided with supporting side plates, a rotating drum is rotatably connected between the supporting side plates, the peripheral surface of the rotating drum is provided with a plurality of helical blades, one side of each supporting side plate is provided with a soil inlet bin, the tops of the two sides of the back surface of the soil inlet bin are both provided with abutting plates, the back end surface of the installation platform is provided with a fixed seat, one side of the fixed seat is provided with a groove, and, a spring is connected between the soil scraping plate and the back surface of the soil inlet bin, one side of the mounting table far away from the traction frame is provided with a wheel accommodating shell, and wheels are arranged in the wheel containing shell, movable swing rods are connected between the two sides of the front end surface of the wheel containing shell and the soil inlet bin, a third rotating support is arranged on the inclined plane at the top end of the wheel containing shell, fourth rotating supports are arranged on the two sides of the rear part of the top end surface of the mounting table, the top end of the fourth rotating support is rotationally connected with a second electric telescopic rod through a pin shaft, the top end of a piston rod of the second electric telescopic rod is movably connected with the fourth rotating support, the back of the wheel containing shell is provided with a transverse block, two sides of the bottom surface of the transverse block are provided with spring rods, the bottom end of the spring rod is connected with clamping rods, and flattening columns are rotatably connected between the clamping rods.
As a preferred technical scheme of the present invention, a case is installed on a top surface of the installation table, a storage battery, a program box and a transformer are arranged inside the case, the storage battery is electrically connected to the transformer, the transformer is electrically connected to the program box, the program box is electrically connected to the first electric telescopic rod and the second electric telescopic rod through wires, and the program box is connected to a wireless controller and a wired controller.
As a preferred technical scheme of the invention, the soil inlet bin comprises a left side plate, a right side plate, a bottom plate and an inverted triangular prism, wherein the bottom plate is connected between the bottom ends of the left side plate and the right side plate, the inverted triangular prism is connected with one side of the top ends of the left side plate and the right side plate, and a soil discharge port is formed between the inverted triangular prism and the bottom plate.
As a preferable technical scheme of the invention, the included angle between the inclined plane of the inverted triangular prism and the horizontal plane is 45-60 degrees.
As a preferable technical scheme of the invention, the movable swing rod comprises a first hinged seat, a second hinged seat and a telescopic rod, and the telescopic rod is movably connected between the first hinged seat and the second hinged seat.
As a preferable technical scheme of the invention, when the scraper plate is abutted against the abutting plate, the spring is in a furled state, and the angle between the scraper plate and the horizontal plane is 50-70 degrees.
Compared with the prior art, the invention has the following beneficial effects:
the height of the front end of the traction frame can be adjusted through the first electric telescopic rod, so that the traction frame can be conveniently connected with the rear part of a trailer, the height of the wheel containing shell is adjusted through the second electric telescopic rod, the spiral blades are inserted into the ground to loosen the soil, then the soil is discharged through the soil inlet bin, the soil is preliminarily leveled through the soil scraping plate and then discharged, finally the leveling column is pushed by the spring rod to compact the soil, the soil is leveled, and meanwhile, the leveling column can be used for leveling the soil for multiple times.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top plan view of the overall structure of the present invention;
FIG. 3 is a schematic view of the soil inlet bin structure of the present invention;
FIG. 4 is a partial front view of the support side panel structure of the present invention;
FIG. 5 is a schematic view of the structure of the movable swing link of the present invention;
FIG. 6 is an enlarged view of the portion A of FIG. 1 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the movable swing link of the present invention;
FIG. 8 is a schematic diagram of the internal structure of the case according to the present invention;
in the figure: 1. an installation table; 2. a traction frame; 3. a first rotating support; 4. a second rotating support; 5. a first electric telescopic rod; 6. supporting the side plates; 7. a rotating drum; 8. a helical blade; 9. a leaning rod; 10. a fixed seat; 11. a groove; 12. a scraper plate; 13. a spring; 14. a wheel accommodating case; 15. a movable swing rod; 16. a third rotating support; 17. a fourth rotating support; 18. a second electric telescopic rod; 19. a transverse block; 20. a spring lever; 21. a clamping and connecting rod; 22. flattening the column; 23. a soil inlet bin; 24. a storage battery; 25. a program box; 26. a transformer; 27. a chassis; 231. a left side plate; 232. a right side plate; 233. a base plate; 234. an inverted triangular prism; 235. a soil discharge port; 151. a first hinge mount; 152. a second hinge mount; 153. a swing lever.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in figures 1-8, the invention provides a levelling machine for land reclamation, which comprises an installation platform 1, wherein the front end of the installation platform 1 is movably connected with a traction frame 2, the top end surface of the traction frame 2 is provided with a first rotating support 3, the front side top end surface of the installation platform 1 is provided with a second rotating support 4, the second rotating support 4 is higher than the first rotating support 3, a first electric telescopic rod 5 is rotatably connected between the top ends of the first rotating support 3 and the second rotating support 4, the left side and the right side of the front end surface of the bottom end of the installation platform 1 are provided with supporting side plates 6, a rotating drum 7 is rotatably connected between the supporting side plates 6, the peripheral surface of the rotating drum 7 is provided with a plurality of helical blades 8, one side of the supporting side plate 6 is provided with a soil inlet bin 23, the top ends of the two sides of the back surface of the soil inlet bin 23 are provided with abutting plates 9, the back end surface, one side of the fixed seat 10 is provided with a groove 11, the inside of the groove 11 is rotatably connected with a scraper 12 through a pin shaft, a spring 13 is connected between the scraper 12 and the back of a soil inlet bin 23, one side of the mounting table 1, which is far away from the traction frame 2, is provided with a wheel containing shell 14, wheels are arranged inside the wheel containing shell 14, movable swing rods 15 are connected between two sides of the front end surface of the wheel containing shell 14 and the soil inlet bin 23, a third rotating support 16 is arranged on the inclined surface of the top end of the wheel containing shell 14, fourth rotating supports 17 are arranged on two sides of the rear part of the top end surface of the mounting table 1, the top end of each fourth rotating support 17 is rotatably connected with a second electric telescopic rod 18 through a pin shaft, the top end of a piston rod of the second electric telescopic rod 18 is movably connected with the fourth rotating support 17, a transverse block 19 is arranged on the back of the wheel containing, the bottom end of the spring rod 20 is connected with clamping rods 21, and a flattening column 22 is rotatably connected between the clamping rods 21.
Further, a case 27 is installed on the top end surface of the installation table 1, a storage battery 24, a program box 25 and a transformer 26 are arranged inside the case 27, the storage battery 24 is electrically connected with the transformer 26, the transformer 26 is electrically connected with the program box 25, the program box 25 is electrically connected with the first electric telescopic rod 5 and the second electric telescopic rod 18 through wires, and the program box 25 is connected with a wireless controller and a wired controller.
The soil feeding bin 23 comprises a left side plate 231, a right side plate 232, a bottom plate 233 and an inverted triangular column 234, the bottom plate 233 is connected between the bottom ends of the left side plate 231 and the right side plate 232, the inverted triangular column 234 is connected to one side of the top ends of the left side plate 231 and the right side plate 232, and a soil discharging opening 235 is formed between the inverted triangular column 234 and the bottom plate 233.
The included angle between the inclined plane of the inverted triangular prism 234 and the horizontal plane is 45-60 degrees, which is convenient for discharging the soil in the soil inlet bin 23 after being extruded.
The movable swing link 15 comprises a first hinged seat 151, a second hinged seat 152 and an expansion link 153, wherein the expansion link 153 is movably connected between the first hinged seat 151 and the second hinged seat 152.
When the scraping plate 12 abuts against the abutting plate 9, the spring 13 is in a furled state, the included angle between the scraping plate 12 and the horizontal plane is 50-70 degrees, the scraping plate 12 is inclined, so that the scraping of the ground is facilitated, and the soil is preliminarily leveled.
Specifically, the storage battery 24 in the case 27 supplies power, the current is converted into low voltage by the voltage transformer 26 and then is input into the program box 25, the program box 25 is connected with a line controller and a wireless controller, the wireless controller can be placed in a cab, and the first electric telescopic rod 5 and the second electric telescopic rod 18 can be controlled to work by the controller; when the tractor is used, the traction frame 2 is connected with a trailer, and when the tractor is connected, the first electric telescopic rod 5 is connected between the first rotating support 3 and the second rotating support 4, so that the traction frame 2 can be stretched and contracted by the first electric telescopic rod 5, the connection part with the mounting table 1 serves as a fulcrum, the height of the front-end connector is adjusted by swinging up and down, and the connection and the use are more convenient; after the machine body moves to a to-be-reclaimed area, the second electric telescopic rod 18 is controlled to contract, so that the second electric telescopic rod 18 rotates the wheel containing shell 14 anticlockwise by taking the fourth rotating support 17 as a fulcrum, the movable swing rod 15 can realize any angle swing through the expansion and contraction of the telescopic rod 153 on the first hinging seat 151 and the second hinging seat 152, and the height change position of the wheel containing shell 14 is matched, when the wheel of the wheel containing shell 14 is lifted until the spiral blade 8 can be contacted with the ground, the second electric telescopic rod 18 is stopped, and in the height adjusting process, the spring rod 20 pushes the clamping rod 21 through the downward thrust of the spring, so that the flattening column 22 connected between the clamping rods 21 can be tightly attached to the ground all the time; after preparation work is finished, the machine body is driven to move forward, the helical blade 8 is inserted into the ground and continuously rotates along with the rotary drum 7, the ground soil is turned over to loosen the soil, the soil after loosening the soil enters the soil inlet bin 23, the soil inlet bin 23 continuously moves forward, the soil entering the interior is extruded inwards, the soil originally inside the soil inlet bin 23 is discharged outwards from the soil discharge port 235, the soil is discharged in a square shape, the discharged soil is primarily leveled through the soil scraping plate 12, the soil scraping plate 12 rotates inside the groove 11 of the fixing seat 10, meanwhile, the spring 13 is used for enabling the soil scraping plate 12 to be close to one side of the abutting rod 9 all the time and keeping larger contraction force, the soil scraping plate 12 is always in an inclined plane and can effectively achieve the leveling effect, and finally, the leveled soil is compacted again through the pressing flat column 22, and accordingly leveling work is finished; meanwhile, when the land needs to be flattened for a plurality of times, only the wheel containing shell 14 needs to be controlled to rotate downwards and clockwise, so that the spiral blade 8 is separated from the ground by a certain distance, and the flattening column 22 can be always abutted against the ground under the action of the spring rod 20, so that the flattening of the ground can be realized only by the flattening column 22 during moving.
The height of the front end of the traction frame can be adjusted through the first electric telescopic rod, so that the traction frame can be conveniently connected with the rear part of a trailer, the height of the wheel containing shell is adjusted through the second electric telescopic rod, the spiral blades are inserted into the ground to loosen the soil, then the soil is discharged through the soil inlet bin, the soil is preliminarily leveled through the soil scraping plate and then discharged, finally the leveling column is pushed by the spring rod to compact the soil, the soil is leveled, and meanwhile, the leveling column can be used for leveling the soil for multiple times.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The land reclamation leveling machine comprises an installation table (1) and is characterized in that a traction frame (2) is movably connected to the front end of the installation table (1), a first rotating support (3) is installed on the top surface of the traction frame (2), a second rotating support (4) is installed on the top surface of the front side of the installation table (1), the second rotating support (4) is higher than the first rotating support (3), a first electric telescopic rod (5) is rotatably connected between the tops of the first rotating support (3) and the second rotating support (4), supporting side plates (6) are installed on the left side and the right side of the front end of the bottom surface of the installation table (1), a rotating drum (7) is rotatably connected between the supporting side plates (6), a plurality of spiral blades (8) are arranged on the peripheral surface of the rotating drum (7), a soil inlet bin (23) is arranged on one side of each supporting side plate (6), the soil bin comprises a mounting table (1), a supporting plate (9) is mounted at the top ends of two sides of the back of the soil bin (23), a fixing seat (10) is arranged on the surface of the rear end of the mounting table (1), a groove (11) is formed in one side of the fixing seat (10), a soil scraping plate (12) is rotatably connected inside the groove (11) through a pin shaft, a spring (13) is connected between the soil scraping plate (12) and the back of the soil bin (23), a wheel containing shell (14) is arranged on one side, away from a traction frame (2), of the mounting table (1), wheels are mounted inside the wheel containing shell (14), a movable swing rod (15) is connected between two sides of the front end surface of the wheel containing shell (14) and the soil bin (23), a third rotating support (16) is mounted on an inclined plane of the top end of the wheel containing shell (14), and fourth rotating supports (17) are mounted on two sides of the rear surface of the, the top of the fourth rotating support (17) is rotatably connected with a second electric telescopic rod (18) through a pin shaft, the top end of a piston rod of the second electric telescopic rod (18) is movably connected with the fourth rotating support (17), a transverse block (19) is mounted on the back of the wheel containing shell (14), spring rods (20) are mounted on two sides of the surface of the bottom end of the transverse block (19), clamping rods (21) are connected to the bottom ends of the spring rods (20), and flattening columns (22) are rotatably connected between the clamping rods (21).
2. The land reclamation leveling machine as recited in claim 1, wherein a top surface of the mounting table (1) is provided with a case (27), the case (27) is internally provided with a storage battery (24), a program box (25) and a transformer (26), the storage battery (24) is electrically connected with the transformer (26), the transformer (26) is electrically connected with the program box (25), the program box (25) is electrically connected with the first electric telescopic rod (5) and the second electric telescopic rod (18) through wires, and the program box (25) is connected with a wireless controller and a wired controller.
3. The leveling machine for land reclamation according to claim 1, wherein the soil inlet bin (23) comprises a left side plate (231), a right side plate (232), a bottom plate (233) and an inverted triangular column (234), the bottom plate (233) is connected between the bottom ends of the left side plate (231) and the right side plate (232), the inverted triangular column (234) is connected between the top ends of the left side plate (231) and the right side plate (232), and a soil discharge opening (235) is formed between the inverted triangular column (234) and the bottom plate (233).
4. A levelling machine for land reclamation according to claim 3, wherein the inclined plane of the inverted triangular prism (234) is angled at 45 ° -60 ° to the horizontal plane.
5. The levelling machine for land reclamation according to claim 1, wherein the movable swing link (15) comprises a first hinged seat (151), a second hinged seat (152) and a telescopic rod (153), and the telescopic rod (153) is movably connected between the first hinged seat (151) and the second hinged seat (152).
6. A levelling machine for land reclamation according to claim 1, wherein the springs (13) are in a collapsed state when the scraper (12) abuts the abutment plate (9) and the scraper (12) is now at an angle of 50 ° to 70 ° to the horizontal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110231351.3A CN112930724A (en) | 2021-03-02 | 2021-03-02 | Land reclamation is with levelling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110231351.3A CN112930724A (en) | 2021-03-02 | 2021-03-02 | Land reclamation is with levelling machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112930724A true CN112930724A (en) | 2021-06-11 |
Family
ID=76247254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110231351.3A Pending CN112930724A (en) | 2021-03-02 | 2021-03-02 | Land reclamation is with levelling machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112930724A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0048907A1 (en) * | 1980-09-27 | 1982-04-07 | Ernst Weichel | Combined machines mounted on a tractor |
CN108124527A (en) * | 2017-12-19 | 2018-06-08 | 潍坊友容实业有限公司 | Salt-soda soil intensive cultivation flattening device |
CN108702883A (en) * | 2018-04-04 | 2018-10-26 | 金华市众鑫农业科技有限公司 | Multifunction soil disintegrating apparatus |
CN108811540A (en) * | 2018-07-04 | 2018-11-16 | 邱文斌 | Clay land presser is removed in the novel included cleaning of one kind |
CN209420257U (en) * | 2018-12-29 | 2019-09-24 | 王克宝 | A kind of crop planting loosening device |
CN110352806A (en) * | 2019-08-29 | 2019-10-22 | 西昌学院 | A kind of clayed soil Paris polyphylla cultural method |
-
2021
- 2021-03-02 CN CN202110231351.3A patent/CN112930724A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0048907A1 (en) * | 1980-09-27 | 1982-04-07 | Ernst Weichel | Combined machines mounted on a tractor |
CN108124527A (en) * | 2017-12-19 | 2018-06-08 | 潍坊友容实业有限公司 | Salt-soda soil intensive cultivation flattening device |
CN108702883A (en) * | 2018-04-04 | 2018-10-26 | 金华市众鑫农业科技有限公司 | Multifunction soil disintegrating apparatus |
CN108811540A (en) * | 2018-07-04 | 2018-11-16 | 邱文斌 | Clay land presser is removed in the novel included cleaning of one kind |
CN209420257U (en) * | 2018-12-29 | 2019-09-24 | 王克宝 | A kind of crop planting loosening device |
CN110352806A (en) * | 2019-08-29 | 2019-10-22 | 西昌学院 | A kind of clayed soil Paris polyphylla cultural method |
Non-Patent Citations (1)
Title |
---|
洪晓江等: "农村公路石拱桥检测及承载能力评定", 《交通科技与经济》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112065474A (en) | A strengthen supporting device for tunnel | |
CN210509248U (en) | Coal mining roadway supporting device | |
CN107568193A (en) | A kind of oil exploration ground weeder | |
CN113215930A (en) | Airport runway ground construction screeding and plastering device | |
CN112930724A (en) | Land reclamation is with levelling machine | |
CN109235217B (en) | Movable small road patching machine with stirring and self-discharging functions | |
CN114481779A (en) | Leveling equipment for highway side slope | |
CN211974458U (en) | Reinforcing and supporting mechanism for building construction | |
CN109500981A (en) | Concrete precast block mold with self-cleaning function | |
CN212452216U (en) | Temporary pit trimming device for municipal road | |
CN211777398U (en) | Coal mining device suitable for deformation tunnel coal mining | |
CN212389257U (en) | Civil engineering pile driver | |
CN116180545B (en) | Pavement maintenance paving and trimming device and application method thereof | |
CN106002953B (en) | A kind of parallel manipulator for concrete road water absorption device | |
CN207494005U (en) | A kind of grains of sand screening plant for building | |
CN207293212U (en) | A kind of refuse compressor | |
CN206559850U (en) | A kind of agricultural reclaims disintegrating apparatus with stalk | |
CN207130591U (en) | A kind of intelligent conveying system | |
CN108979650A (en) | A kind of cutter head of shield machine automatic tool changer | |
CN208346884U (en) | A kind of efficient bulldozer perching knife | |
CN210396786U (en) | End support adapting to change of roadway roof | |
CN217948709U (en) | Quick repair equipment for urban open road subgrade | |
CN111287062A (en) | Integrated road repairing machine | |
CN221627170U (en) | Deslagging device for earth-rock engineering | |
CN211397652U (en) | Waste filling tamping device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |