CN208564016U - A kind of construction site ground trimming device - Google Patents
A kind of construction site ground trimming device Download PDFInfo
- Publication number
- CN208564016U CN208564016U CN201820893955.8U CN201820893955U CN208564016U CN 208564016 U CN208564016 U CN 208564016U CN 201820893955 U CN201820893955 U CN 201820893955U CN 208564016 U CN208564016 U CN 208564016U
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- Prior art keywords
- pedestal
- polishing
- pushing block
- supporting beam
- ground
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Abstract
The utility model provides a kind of construction site ground trimming device, it is related to construction engineering technical field, including pedestal, one end of pedestal is provided with grinding device, the other end of pedestal is provided with cake broke device, grinding device includes polishing rack, one end of polishing rack is vertically set on pedestal, opposition is provided with supporting beam and turning handle on the two sidewalls of the other end of polishing rack, supporting beam is vertically set on polishing rack, the U-shaped opening of supporting beam is towards pedestal, one end is movably set with the first pushing block in the U-shaped opening of supporting beam, the other end in the U-shaped opening of supporting beam is movably set with the second pushing block, polishing outsides cover of electric machinery is provided on pedestal, one end of polishing outsides cover of electric machinery passes through pedestal, it is connected between the other end and the second pushing block of polishing outsides cover of electric machinery by the first spring.The utility model has effectively can prevent clod from splashing when the cement to ground agglomerates finishing, improve the safety of operation, and can to agglomeration treated ground polishes the advantages that.
Description
Technical field
The utility model relates to construction engineering technical fields, and in particular to a kind of construction site ground trimming device.
Background technique
Building is the general name of building and structures, is people to meet social life needs, utilizes grasped object
Matter technological means, and the artificial environment created with certain scientific law, geomantic omen theory and aesthetic principle.Cement: powdery water
Rigid inorganic coagulation material.At slurry after adding water and stirring, it can harden or preferably harden in water in air, and can handle
The materials such as sand, stone are cemented together securely.The mixture of early stage lime and volcanic ash and modern lime pozzolanic cement are very
Similar, the concrete made of its cementing rubble, not only intensity is higher after hardening, and can also resist invading for fresh water or brackish water
Erosion.For a long time, it is widely used in the engineerings such as civil construction, water conservancy, national defence as a kind of important cementitious material.
On building sites, since the cement used when can mix a large amount of cement on the ground, or build drops onto
On ground, i.e., a large amount of agglomeration cement is produced on construction site, affects beauty.It generallys use manually on ground at present
Agglomeration cement cleared up, so need to expend a large amount of manpower, devote a tremendous amount of time, working efficiency it is low.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of in the cement agglomeration finishing Shi Keyou to ground
Effect prevents clod from splashing, and improves the safety of operation, and can be to agglomeration treated construction site that ground polishes
With ground trimming device.
In order to solve the above technical problems, the utility model provides a kind of construction site ground trimming device, including pedestal,
One end of pedestal is provided with grinding device, and the other end of pedestal is provided with cake broke device, and grinding device includes polishing rack, beats
One end of mill frame is vertically set on pedestal, and opposition is provided with supporting beam and turning handle on the two sidewalls of the other end of polishing rack, is propped up
Support beam is vertically set on polishing rack, and supporting beam is U-lag shape, and the U-shaped opening of supporting beam is towards pedestal, the U-shaped of supporting beam
One end is movably set with the first pushing block in being open, and the other end in the U-shaped opening of supporting beam is movably set with the second pushing block, and first
Pushing block and the second pushing block are triangular structure of right angle, and the first pushing block and the second pushing block are arranged on the same horizontal plane, and the
The bevel edge of one pushing block and the second pushing block is opposite, and turning handle passes through polishing rack, and one end of turning handle is flexibly connected with the first pushing block, turning handle
The other end outside of polishing rack is set, be additionally provided with turntable on the other end of turning handle, be also movably set with polishing on pedestal
Outsides cover of electric machinery, and the one end for outsides cover of electric machinery of polishing passes through pedestal, passes through between the other end for outsides cover of electric machinery of polishing and the second pushing block
First spring connects, and is fixedly installed polishing motor in outsides cover of electric machinery of polishing, is additionally provided with grinding wheel on the output shaft for motor of polishing
Disk, cake broke device include crushing device hole, and broken cylinder is provided in crushing device hole, and L shape branch is additionally provided on pedestal
One end of frame, L bracket is fixed on pedestal, and the other end of L bracket is parallel with pedestal, and the opening court of L bracket
To crushing device hole, it is provided with formed punch on the piston rod of broken cylinder, the outside of broken cylinder is also movably set with several protections
Plate, and protection board is movably arranged in crushing device hole, protection board is equally spaced along the circumferencial direction in crushing device hole, protection
Plate is connected by the other end of second spring and L bracket.
Preferably, opposition is provided with pushing block slot in the U-shaped opening of the supporting beam, and the length direction and pedestal of pushing block slot are flat
The two sides opposition of row, the first pushing block is provided with sliding block, and sliding block is movably arranged in pushing block slot, is rotated turning handle, can be pushed first
Pushing block is moved in pushing block slot by sliding block, so that first pushes away after the inclined-plane of the first pushing block is in contact with the inclined-plane of the second pushing block
Block can extrude the second pushing block and move down, so that polishing outsides cover of electric machinery moves down, the abrasive disc polished on motor can be right
Ground carries out polishing finishing.
Preferably, it is also set up in the crushing device hole there are two cylinder fixed support, cylinder fixed support is rod-shaped knot
Structure, cylinder fixed support is parallel to pedestal, and one end of cylinder fixed support is fixedly connected with broken cylinder, cylinder fixed support
The other end be fixed on the inner wall in crushing device hole, cylinder fixed support can be used to fixed and firm broken cylinder, make
Cylinder must be crushed and play fixed function when being crushed to the cement block on ground.
Preferably, the protection board is curved plate-like structure, and there are four protection board settings, protection board and cylinder fixed support
Between be spaced setting, and the length of protection board is greater than the thickness of pedestal, and protection board can prevent broken cylinder to the water on ground
The clod splashing of generation from when clod is crushed is blocked, and prevents from accidentally injuring surrounding operator.
Preferably, the turning handle is external thread rod, and turning handle is parallel to pedestal, and is threadedly coupled between turning handle and polishing rack,
It can be by rotating turning handle, so that turning handle is converted to the linear motion of the first pushing block, so that the first pushing block may make to pass through
Sliding block moves in pushing block slot, after the inclined-plane of the first pushing block is in contact with the inclined-plane of the second pushing block, the first pushing block extrudable second
Pushing block moves down, so that polishing outsides cover of electric machinery moves down, the abrasive disc polished on motor can polish to ground
Finishing.
Preferably, it is additionally provided with guiding board slot on the polishing outsides cover of electric machinery outer wall, is oriented to the length direction of board slot and beaten
The length direction for grinding outsides cover of electric machinery is identical, guide plate is additionally provided on polishing rack, and one end of guide plate is fixed at polishing
On frame, the other end of guide plate is movably arranged in guiding board slot, is moved down when the first pushing block squeezes the second pushing block, to make
The outsides cover of electric machinery that must polish is moved down along guide plate, will not generate skew, is conducive to improve the finishing effect to ground.
Preferably, it is also movably set with adjusting screw rod on the other end in the supporting beam U-shaped opening, adjusting screw rod is vertical
Rotation can be passed through in the bottom surface of supporting beam U-shaped opening, and between adjusting screw rod and the bottom surface of supporting beam U-shaped opening to be threadedly coupled
Turn adjusting screw rod, adjusts the distance between adjusting screw rod and polishing outsides cover of electric machinery, grind outsides cover of electric machinery in the first bullet so as to fight each other
The distance of return is adjusted and limits under the action of spring.
The utility model has the beneficial effects that
(1) it is provided with grinding device, can be polished after the cement to ground agglomerates cleaning, be improved and ground is repaired
Whole effect, and the distance between adjusting screw rod and polishing outsides cover of electric machinery can be adjusted, so as to electric mill machine of fighting each other by adjusting screw rod
The distance for covering on return under the action of the first spring outside is adjusted and limits；
(2) protection board is connect by second spring with L bracket, may make formed punch after the cement agglomeration cleaning to ground
When being impacted, protection board, according to height self adjustable above and below the smooth degree on ground, can make under the action of second spring
It obtains and is contacted between protection board and ground, so that the splashing that formed punch is generated when the cement to ground agglomerates cleaning is blocked.
Detailed description of the invention
Attached drawing is used to provide the preferred understanding to the utility model, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of construction site ground trimming device of the utility model；
Fig. 2 is a kind of abrasive disc position view of construction site ground trimming device of the utility model；
Fig. 3 is a kind of second spring of construction site ground trimming device of the utility model and protection Board position signal
Figure；
Fig. 4 is a kind of pushing block groove location schematic diagram of construction site ground trimming device of the utility model；
Fig. 5 is a kind of grinding device structural schematic diagram of construction site ground trimming device of the utility model；
Fig. 6 is a kind of slide position schematic diagram of construction site ground trimming device of the utility model；
Appended drawing reference are as follows: 1, pedestal；2, grinding device；21, polishing rack；22, supporting beam；23, the first pushing block；24, second
Pushing block；25, turning handle；251, turntable；26, pushing block slot；27, sliding block；31, crushing device hole；32, it is crushed cylinder；33, formed punch；34,
Protection board；35, cylinder fixed support；4, the first spring；5, L bracket；6, polishing outsides cover of electric machinery；61, polishing motor；62, sand
Wheel disc；63, adjusting screw rod；64, guide plate；65, it is oriented to board slot；7, second spring.
Specific embodiment
Specific embodiment of the present utility model is described with reference to the accompanying drawing.
It as shown in figures 1 to 6, is a kind of construction site ground trimming device of the present embodiment, including pedestal 1, pedestal 1
One end is provided with grinding device 2, and the other end of pedestal 1 is provided with cake broke device 3, and grinding device 2 includes polishing rack 21, beats
One end of mill frame 21 is vertically set on pedestal 1, and opposition is provided with 22 He of supporting beam on the two sidewalls of the other end of polishing rack 21
Turning handle 25, supporting beam 22 are vertically set on polishing rack 21, and supporting beam 22 is U-lag shape, the U-shaped opening direction of supporting beam 22
Pedestal 1, one end is movably set with the first pushing block 23, the other end in the U-shaped opening of supporting beam 22 in the U-shaped opening of supporting beam 22
It is movably set with the second pushing block 24, the first pushing block 23 and the second pushing block 24 are triangular structure of right angle, the first pushing block 23 and
Two pushing blocks 24 are arranged on the same horizontal plane, and the bevel edge of the first pushing block 23 and the second pushing block 24 is opposite, and turning handle 25 is passed through and beaten
Frame 21 being ground, and one end of turning handle 25 is flexibly connected with the first pushing block 23, the outside of polishing rack 21 is arranged in the other end of turning handle 25,
It is additionally provided with turntable 251 on the other end of turning handle 25, polishing outsides cover of electric machinery 6 is also movably set on pedestal 1, and polish outside motor
One end of cover 6 passes through pedestal 1, is connected, is beaten by the first spring 4 between the other end and the second pushing block 24 of outsides cover of electric machinery 6 of polishing
It is fixedly installed polishing motor 61 in mill outsides cover of electric machinery 6, abrasive disc 62 is additionally provided on the output shaft for motor 61 of polishing, agglomeration is broken
Crushing device 3 includes crushing device hole 31, is provided with broken cylinder 32 in crushing device hole 31, is additionally provided with L bracket on pedestal 1
5, one end of L bracket 5 is fixed on pedestal 1, the other end of L bracket 5 is parallel with pedestal 1, and L bracket 5 is opened
Mouth is crushed on the piston rod of cylinder 32 towards crushing device hole 31 and is provided with formed punch 33, and the outside also activity of broken cylinder 32 is set
Several protection boards 34 are equipped with, and protection board 34 is movably arranged in crushing device hole 31, protection board 34 is along crushing device hole 31
Circumferencial direction be equally spaced, protection board 34 is connect by second spring 7 with the other end of L bracket 5.
Opposition is provided with pushing block slot 26 in the U-shaped opening of supporting beam 22, and the length direction of pushing block slot 26 is parallel with pedestal 1,
The two sides opposition of first pushing block 23 is provided with sliding block 27, and sliding block 27 is movably arranged in pushing block slot 26, is rotated turning handle 25, can be pushed away
Dynamic first pushing block 23 is moved in pushing block slot 26 by sliding block 27, so that the inclined-plane on the inclined-plane of the first pushing block 23 and the second pushing block 24
After being in contact, the first pushing block 23 can extrude the second pushing block 24 and move down, so that polishing outsides cover of electric machinery 6 moves down, beat
Abrasive disc 62 on electric mill machine 61 can carry out polishing finishing to ground, also set up to fix there are two cylinder in crushing device hole 31 and prop up
Frame 35, cylinder fixed support 35 are rod-like structure, and cylinder fixed support 35 is parallel to pedestal 1, and the one of cylinder fixed support 35
End is fixedly connected with broken cylinder 32, and the other end of cylinder fixed support 35 is fixed on the inner wall in crushing device hole 31,
Cylinder fixed support 35 can be used to fixed and firm broken cylinder 32, so that broken cylinder 32 is carried out to the cement block on ground
Fixed function is played when broken, protection board 34 is curved plate-like structure, and there are four the settings of protection board 34, protection board 34 and gas
Setting is spaced between the fixed bracket 35 of cylinder, and the length of protection board 34 is greater than the thickness of pedestal 1, protection board 34 can prevent broken gas
Cylinder 32 when being crushed to the cement block on ground from generation clod splashing block, prevent accidentally injure around operate
Personnel, turning handle 25 are external thread rod, and turning handle 25 is parallel to pedestal 1, and is threadedly coupled between turning handle 25 and polishing rack 21, can pass through
Turning handle 25 is rotated, so that turning handle 25 is converted to the linear motion of the first pushing block 23, to may make that the first pushing block 23 is logical
Sliding block 27 is crossed to move in pushing block slot 26, after the inclined-plane of the first pushing block 23 is in contact with the inclined-plane of the second pushing block 24, the first pushing block
23 extrudable second pushing blocks 24 move down, so that polishing outsides cover of electric machinery 6 moves down, the abrasive disc polished on motor 61
62 can carry out polishing finishing to ground, and guiding board slot 65 is additionally provided on 6 outer wall of outsides cover of electric machinery of polishing, is oriented to the length of board slot 65
Direction is identical as the polishing length direction of outsides cover of electric machinery 6, and guide plate 64, and one end of guide plate 64 are additionally provided on polishing rack 21
It is fixed on polishing rack 21, the other end of guide plate 64 is movably arranged in guiding board slot 65, when the first pushing block 23 squeezes
Second pushing block 24 moves down, so that polishing outsides cover of electric machinery 6 is moved down along guide plate 64, will not generate skew, have
Conducive to the finishing effect improved to ground, it is also movably set with adjusting screw rod 63 on the other end in supporting beam 22U shape opening, is adjusted
The bottom surface that section screw rod 63 is open perpendicular to supporting beam 22U shape, and be between adjusting screw rod 63 and the bottom surface of supporting beam 22U shape opening
It is threadedly coupled, the distance between adjusting screw rod 63 and polishing outsides cover of electric machinery 6 can be adjusted by rotation adjusting screw rod 63, so as to
The air exercise mill distance of return under the action of the first spring 4 of outsides cover of electric machinery 6 is adjusted and limits.
The application method of the utility model is: pushing pedestal 1 to needing to carry out finishing position, by the position of formed punch 33 and ground
The position that cement agglomerates on face is corresponding, and formed punch 33 moves up and down under the action of broken cylinder 32, can be to cement knot on ground
Block carries out impact grinding, and protection board 34 is connect by second spring 7 with L bracket 5, may make formed punch 33 in the water to ground
When being impacted after mud agglomeration cleaning, protection board 34 can be under the action of second spring 7, above and below the smooth degree on ground
Height self adjustable, so that being contacted between protection board 34 and ground, so that formed punch 33 is produced when the cement to ground agglomerates cleaning
Raw splashing is blocked；After the completion of cement agglomeration impact grinding on ground, pedestal 1 is pushed, so that the position of abrasive disc 62
It is corresponding with the position of cement agglomeration after the completion of impact grinding, it is rotated further by turning handle 25, so that the rotation of turning handle 25 is converted to the
The linear motion of one pushing block 23, so that the first pushing block 23 may make to move in pushing block slot 26 by sliding block 27, the first pushing block 23
Inclined-plane be in contact with the inclined-plane of the second pushing block 24 after, the first pushing block 23 can extrude the second pushing block 24 move down so that
Polishing outsides cover of electric machinery 6 moves down, and the abrasive disc 62 polished on motor 61 can carry out polishing finishing to ground；Rotation can also be passed through
Adjusting screw rod 63 adjusts adjusting screw rod 63 and polishing the distance between outsides cover of electric machinery 6, grinds outsides cover of electric machinery 6 the so as to fight each other
The distance of return is adjusted and limits under the action of one spring 4.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (7)
1. a kind of construction site ground trimming device, it is characterised in that: including pedestal (1), one end of pedestal (1), which is provided with, to be beaten
Mill apparatus (2), the other end of pedestal (1) are provided with cake broke device (3), and grinding device (2) includes polishing rack (21), polishing
One end of frame (21) is vertically set on pedestal (1), and opposition is provided with supporting beam on the two sidewalls of the other end of polishing rack (21)
(22) it is vertically set on polishing rack (21) with turning handle (25), supporting beam (22), and supporting beam (22) is U-lag shape, supporting beam
(22) U-shaped opening is towards pedestal (1), and one end is movably set with the first pushing block (23) in the U-shaped opening of supporting beam (22), supports
The other end in the U-shaped opening of beam (22) is movably set with the second pushing block (24), and the first pushing block (23) and the second pushing block (24) are equal
For triangular structure of right angle, the first pushing block (23) and the second pushing block (24) are arranged on the same horizontal plane, and the first pushing block
(23) and the bevel edge of the second pushing block (24) is opposite, and turning handle (25) passes through polishing rack (21), and one end of turning handle (25) is pushed away with first
Block (23) is flexibly connected, and the other end setting of turning handle (25) is also set on the outside of polishing rack (21), the other end of turning handle (25)
It is equipped with turntable (251), polishing outsides cover of electric machinery (6) is also movably set on pedestal (1), and one end of polishing outsides cover of electric machinery (6) is worn
It crosses pedestal (1), is connect between the other end and the second pushing block (24) of outsides cover of electric machinery (6) of polishing by the first spring (4), polishing electricity
It is fixedly installed polishing motor (61) in machine outer cover (6), is additionally provided with abrasive disc (62) on the output shaft of polishing motor (61), ties
Block crushing device (3) includes crushing device hole (31), is provided with broken cylinder (32) in crushing device hole (31), on pedestal (1)
It is additionally provided with L bracket (5), one end of L bracket (5) is fixed on pedestal (1), the other end of L bracket (5) and bottom
In parallel, and the opening of L bracket (5) is provided with punching on the piston rod of broken cylinder (32) towards crushing device hole (31) to seat (1)
The outside of head (33), broken cylinder (32) is also movably set with several protection boards (34), and protection board (34) is movably arranged on brokenly
In crushing device hole (31), protection board (34) is equally spaced along the circumferencial direction of crushing device hole (31), and protection board (34) passes through
Second spring (7) is connect with the other end of L bracket (5)；
Wherein, push pedestal (1) to needing to carry out finishing position, the position that cement on the position and ground of formed punch (33) is agglomerated
Corresponding, formed punch (33) moves up and down under the action of broken cylinder (32), carries out impact grinding to cement agglomeration on ground, protects
Backplate (34) is connect by second spring (7) with L bracket (5), so that formed punch (33) is after the cement agglomeration cleaning to ground
When being impacted, protection board (34) voluntarily adjusts high up and down under the action of second spring (7), according to the smooth degree on ground
Degree.
2. a kind of construction site ground trimming device according to claim 1, it is characterised in that: the U of supporting beam (22)
Opposition is provided with pushing block slot (26) in shape opening, and the length direction of pushing block slot (26) is parallel with pedestal (1), the first pushing block (23)
Two sides opposition is provided with sliding block (27), and sliding block (27) is movably arranged in pushing block slot (26).
3. a kind of construction site ground trimming device according to claim 1, it is characterised in that: crushing device hole (31)
It inside also sets up there are two cylinder fixed support (35), cylinder fixed support (35) is rod-like structure, and cylinder fixed support (35) is flat
Row is in pedestal (1), and one end of cylinder fixed support (35) is fixedly connected with broken cylinder (32), cylinder fixed support (35)
The other end is fixed on the inner wall of crushing device hole (31).
4. a kind of construction site ground trimming device according to claim 3, it is characterised in that: protection board (34) is arc
Shape plate structure, there are four protection board (34) settings, setting is spaced between protection board (34) and cylinder fixed support (35), and protect
The length of backplate (34) is greater than the thickness of pedestal (1).
5. a kind of construction site ground trimming device according to claim 1, it is characterised in that: turning handle (25) is outer spiral shell
Rasp bar, turning handle (25) are parallel to pedestal (1), and are threadedly coupled between turning handle (25) and polishing rack (21).
6. a kind of construction site ground trimming device according to claim 1, it is characterised in that: polishing outsides cover of electric machinery
(6) it is additionally provided with guiding board slot (65) on outer wall, is oriented to the length direction of board slot (65) and the length side of polishing outsides cover of electric machinery (6)
To identical, it is additionally provided on polishing rack (21) guide plate (64), and one end of guide plate (64) is fixed at polishing rack (21)
On, the other end of guide plate (64) is movably arranged in guiding board slot (65).
7. a kind of construction site ground trimming device according to claim 1, it is characterised in that: supporting beam (22) U-shaped
It is also movably set on the other end in opening adjusting screw rod (63), adjusting screw rod (63) is perpendicular to supporting beam (22) U-shaped opening
Bottom surface, and to be threadedly coupled between adjusting screw rod (63) and the bottom surface of supporting beam (22) U-shaped opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820893955.8U CN208564016U (en) | 2018-06-11 | 2018-06-11 | A kind of construction site ground trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820893955.8U CN208564016U (en) | 2018-06-11 | 2018-06-11 | A kind of construction site ground trimming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564016U true CN208564016U (en) | 2019-03-01 |
Family
ID=65484282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820893955.8U Expired - Fee Related CN208564016U (en) | 2018-06-11 | 2018-06-11 | A kind of construction site ground trimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208564016U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052911A (en) * | 2019-05-24 | 2019-07-26 | 曾师能 | A kind of construction ground trimming device |
| CN110731731A (en) * | 2019-11-04 | 2020-01-31 | 徐晓楠 | ground finishing equipment for construction site |
| CN113322750A (en) * | 2021-05-31 | 2021-08-31 | 石河子大学 | Cement paving road surface construction equipment |
-
2018
- 2018-06-11 CN CN201820893955.8U patent/CN208564016U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052911A (en) * | 2019-05-24 | 2019-07-26 | 曾师能 | A kind of construction ground trimming device |
| CN110052911B (en) * | 2019-05-24 | 2020-06-05 | 天恩建设集团有限公司 | Ground finishing device for construction |
| CN110731731A (en) * | 2019-11-04 | 2020-01-31 | 徐晓楠 | ground finishing equipment for construction site |
| CN113322750A (en) * | 2021-05-31 | 2021-08-31 | 石河子大学 | Cement paving road surface construction equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20200611 |