CN112921756B - Pebble paving device for garden construction - Google Patents
Pebble paving device for garden construction Download PDFInfo
- Publication number
- CN112921756B CN112921756B CN202110094614.0A CN202110094614A CN112921756B CN 112921756 B CN112921756 B CN 112921756B CN 202110094614 A CN202110094614 A CN 202110094614A CN 112921756 B CN112921756 B CN 112921756B
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 6
- 239000007921 spray Substances 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/32—Hand-held hand-actuated rammers or tampers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a pebble paving device for garden construction, relates to the technical field of garden construction equipment, and solves the problems that the conventional paving device needs frequent manual force knocking in the construction process, needs constructors to walk along a paved road surface, and is difficult and inconvenient to operate and use. A pebble paving device for garden construction comprises a frame, wherein two support plates are symmetrically and downwards supported at the left end and the right end of the frame, two wheels are symmetrically and rotatably arranged on the two support plates, two motors are symmetrically and tightly locked and arranged at the inner sides of the two support plates, and the two motors are correspondingly in shaft connection transmission with the two wheels at the front side; five stepping frames penetrate through the frame and are inserted into the frame, and rectangular pressing plates are welded to the bottoms of the five stepping frames. The invention is more labor-saving and convenient to operate and use, and the invention adopts the motor to drive the vehicle body and the constructor standing on the top end of the vehicle body to integrally move on the paved road surface, thereby saving the trouble of walking movement of the constructor.
Description
Technical Field
The invention relates to the technical field of garden construction equipment, in particular to a pebble paving device for garden construction.
Background
Cobblestones are the by-product of yellow sand production and are named because they resemble cobblestones. Cobblestones, as a purely natural stone, are taken from a sandstone mountain generated by the uplifting of an old riverbed after the crustal movement of tens of millions of years ago, and are subjected to the impact of torrential flood and the continuous extrusion and friction in the flowing water carrying process. In the course of tens of thousands of years of vicious evolution, they are saturated by the motion of the sea, impact and rub by gravels to lose irregular edges and corners, and are buried underground together with silt and silenced for thousands of millions of years. Cobblestones are widely used in public buildings, villas, yard buildings, paved roads (cobblestone roads paved inside parks have the effect of prolonging life), park rockery, bonsai filling materials, garden art and other high-level superstructures. It not only carries forward the ancient culture of the oriental but also embodies the artistic style of western classical, elegant and trustable. A leveling device is needed in the cobblestone paving construction process.
For example, patent No. CN201520924284.3 discloses a cobble quick paving device. A feeding motor is arranged in the traction vehicle head, a mortar pouring groove is formed in the left side of the traction vehicle head, a feed opening is formed in the lower end of the mortar pouring groove, an auger blanking roller is arranged between the mortar pouring groove and the feed opening, and the right end of the auger blanking roller is connected with the feeding motor; the mortar pour the bottom left side in groove and be provided with the roller bearing of paving, the mortar pour the left side in groove and be provided with the cobblestone storage tank, the lower extreme of cobblestone storage tank is connected with the toper feed opening, be provided with the vibration between cobblestone storage tank and the toper feed opening and spill the flitch, the left side of vibration spilling the flitch is connected with spills flitch driving motor, the left side of cobblestone storage tank is provided with the balancing weight, the lower extreme of balancing weight is provided with rolls the setting roller. Its simple structure, the modern design has been used for reference the artifical mode of laying the cobblestone road, realizes the full automatization of cobblestone road and lays, and convenient and practical more practices thrift the labour.
The mode that current device of mating formation mostly adopted manual hammering clamp plate beats the cobble and paves, need frequent manual power in the work progress to beat, and need constructor walk and remove along the road surface of mating formation, the operation is used comparatively hard inconvenient, still need the handheld water pipe of personnel to carry out the water spray to the bedding cement of cobble bottom after the flattening operation is accomplished in addition and soak, flattening operation and water spray operation need divide two steps to go on in proper order, operating procedure is comparatively loaded down with trivial details, the efficiency of construction is not good enough.
Disclosure of Invention
The invention aims to provide a pebble paving device for garden construction, which aims to solve the problems that frequent manual force knocking is required in the construction process, constructors need to walk along a paved road surface, and the operation is laborious and inconvenient in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pebble paving device for garden construction comprises a frame, wherein two support plates are symmetrically and downwards supported at the left end and the right end of the frame, two wheels are symmetrically and rotatably arranged on the two support plates, two motors are symmetrically and tightly locked and arranged at the inner sides of the two support plates, and the two motors are correspondingly in shaft connection transmission with the two wheels at the front side; five stepping frames penetrate through the frame and are inserted into the frame, the five stepping frames are all rectangular in structure, and the bottoms of the five stepping frames are welded with the rectangular pressing plates of the hanging supports; the top ends of the five pressure plates are welded and fixed with a water distribution plate; a metal conduit is welded and supported on the left vertical supporting plate and the right vertical supporting plate of the frame in a penetrating way, and the metal conduit is connected with an external water source; the metal conduit comprises valves, the metal conduit is provided with five valves which are welded and communicated downwards at equal intervals, the five valves are communicated with five water distribution plates through five hoses, and the metal conduit hanging support is positioned below the bottom of the frame.
Preferably, the stepping frame comprises a trapezoidal top frame, the middle position of the bottom of the stepping frame is downwards welded and supported with the trapezoidal top frame, and the trapezoidal top frame is inserted into the bottom of the frame.
Preferably, the pressing plate comprises vertical supporting slide bars, ten rows of water spraying holes are formed in the bottom of the pressing plate in a penetrating mode and are communicated with the water distribution plate in a welding mode, four vertical supporting slide bars are symmetrically welded on the pressing plate, and the top ends of the four vertical supporting slide bars are welded and fixed with the stepping frame.
Preferably, the metal conduit further comprises a valve core and an L-shaped pull rod, one cylindrical valve core is slidably mounted in each of the five valves, and one L-shaped pull rod is welded on each of the five cylindrical valve cores in a supporting manner.
Preferably, a positioning circular plate is welded on each of the cross-support pipe sections of the five valves in a supporting manner, the five L-shaped pull rods penetrate through the five positioning circular plates through spring pushing and are inserted in the five positioning circular plates, and head end sections of the five L-shaped pull rods penetrate through the cross-support pipe sections of the five valves.
Preferably, five trapezoidal top frames are correspondingly propped above five L-shaped pull rods, and inclined side plates of the five trapezoidal top frames slide downwards to be propped against and contacted with cross brace sections of the L-shaped pull rods.
Preferably, the top end sections of the four vertical support sliding rods are sleeved with springs, and the five stepping frames are installed through pushing of the springs on the four vertical support sliding rods at the bottoms of the five stepping frames.
Preferably, the whole stepping frame is formed by welding and combining six support rods which are welded in a criss-cross mode in the peripheral rectangular frame and the rectangular frame, and the five stepping frames are pushed by springs and supported above the frame at intervals.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the treading frame can adopt a treading force under two feet and additionally apply the gravity of a human body to slide downwards to drive the pressing plate to flatten paved pebbles, compared with the traditional leveling mode of beating by adopting a flat plate hammer, the operation and the use of the invention are more labor-saving and convenient, and the motor is adopted to drive the vehicle body and constructors standing at the top ends of the vehicle body to integrally move on a paved road surface, so that the trouble of walking movement of the constructors is saved;
2. according to the invention, the five stepping frames can push the five L-shaped pull rods in a linked manner and the five cylindrical valve cores slide forwards in the process of sliding downwards and jacking, so that the five valves are opened, the pressing plates spray and wet paving cement at the bottom of pebbles, the trouble of frequently switching the water spraying device manually is eliminated, time and labor are saved, the operation of leveling the sliding downwards and jacking and the operation of spraying water can be performed at one time according to the sequence, the trouble of step-by-step operation is eliminated, and the use is convenient, rapid and efficient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom three-dimensional structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic view of the installation position of the water distribution plate according to the present invention;
FIG. 5 is a schematic view of a step frame structure according to the present invention;
FIG. 6 is a schematic view of the half-section internal structure of the valve of the present invention;
FIG. 7 is a schematic view of the bottom structure of the platen according to the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a frame; 2. stepping on the frame; 201. a trapezoidal top frame; 3. pressing a plate; 301. vertically supporting the sliding rod; 4. a water distribution plate; 5. a metal conduit; 501. a valve; 502. a valve core; 503. an L-shaped pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a pebble paving device for garden construction comprises a frame 1, wherein two support plates are symmetrically and downwards supported at the left end and the right end of the frame 1, two wheels are symmetrically and rotatably arranged on the two support plates, two motors are symmetrically and tightly locked and arranged at the inner sides of the two support plates, and the two motors are correspondingly in shaft connection transmission with the two wheels at the front side; five stepping frames 2 penetrate through the frame 1 and are inserted into the frame, the five stepping frames 2 are all rectangular in structure, and the bottoms of the five stepping frames 2 are welded with hanging supports to form rectangular pressing plates 3; the top ends of the five pressing plates 3 are welded and fixed with a water distribution plate 4; a metal conduit 5 penetrates through, is welded and supported on the left and right vertical supporting plates of the frame 1, and the metal conduit 5 is connected with an external water source; the metal conduit 5 comprises a valve 501, five valves 501 are welded and communicated on the metal conduit 5 at equal intervals downwards, the five valves 501 are communicated with five water distribution plates 4 through five hoses, and the metal conduit 5 is suspended and supported below the bottom of the frame 1; the whole stepping frame 2 is formed by welding and combining six support rods which are welded in a criss-cross mode in a peripheral rectangular frame and the rectangular frame, and five stepping frames 2 are pushed by springs and supported above the frame 1 at intervals; the pressing plate 3 comprises vertical supporting slide rods 301, ten rows of water spraying holes are formed in the bottom of the pressing plate 3 in a penetrating mode and are communicated with the water distribution plate 4 in a welding mode, four vertical supporting slide rods 301 are symmetrically welded on the pressing plate 3, and the top ends of the four vertical supporting slide rods 301 are welded and fixed with the stepping frame 2; the metal conduit 5 further comprises a valve core 502 and an L-shaped pull rod 503, one cylindrical valve core 502 is slidably mounted in each of the five valves 501, the L-shaped pull rods 503 are respectively supported and welded on the five cylindrical valve cores 502, and the cylindrical valve cores 502 can slide back and forth to open and close the valves 501; a positioning circular plate is supported and welded on each of the cross-brace pipe sections of the five valves 501, five L-shaped pull rods 503 penetrate through the five positioning circular plates through spring pushing and are inserted in the five positioning circular plates, head end sections of the five L-shaped pull rods 503 are inserted in the cross-brace pipe sections of the five valves 501, the five L-shaped pull rods 503 can drive five cylindrical valve cores 502 to slide back and forth to be opened and closed, and springs on the five L-shaped pull rods 503 can rebound and push to drive the five cylindrical valve cores 502 to automatically slide back and reset to be closed; the top end sections of the four vertical support sliding rods 301 are sleeved with a spring, the five stepping frames 2 are installed through pushing of the springs on the four vertical support sliding rods 301 at the bottoms of the five stepping frames, and the springs on the four vertical support sliding rods 301 can automatically slide the stepping frames 2 upwards to push and reset.
Further, the stepping frame 2 comprises a trapezoidal top frame 201, the trapezoidal top frame 201 is welded and supported downwards at the middle position of the bottom of the stepping frame 2, the trapezoidal top frame 201 is arranged at the bottom of the vehicle frame 1 in an inserting mode, the stepping frame 2 can adopt double-foot stepping force and is additionally provided with the gravity of a human body to slide downwards to drive the pressing plate 3 to flatten paved pebbles, and compared with the traditional leveling mode of adopting a flat plate hammer to strike, the stepping frame is more labor-saving and convenient to operate and use, and the motor is adopted to drive the vehicle body and constructors standing at the top ends of the vehicle body to integrally move on a paved road surface, so that the trouble of walking movement of the constructors is avoided.
Further, five trapezoidal top frames 201 are correspondingly jacked above five L-shaped pull rods 503, inclined side plates of the five trapezoidal top frames 201 slide downwards to be in jacking abutting contact with cross strut sections of the L-shaped pull rods 503, and through the five trapezoidal top frames 201, the five stepping frames 2 can be linked to jack the five L-shaped pull rods 503 and the five cylindrical valve cores 502 to slide forwards in the process of sliding downwards and jacking, so that the five valves 501 are opened to enable the pressing plate 3 to spray and wet paving cement at the bottom of pebbles, the trouble of manually and frequently switching a water spraying device is omitted, time and labor are saved, the operation of sliding downwards, jacking, leveling and water spraying can be sequentially performed, the trouble of step-by-step operation is omitted, and the use is convenient, rapid and efficient.
The working principle is as follows: the pressing plate 3 is driven to flatten paved pebbles by the aid of the stepping frame 2 through the two-foot downward stepping force and additional gravity sliding of a human body, compared with a traditional leveling mode of striking by a flat plate hand hammer, the leveling device is more labor-saving and convenient to operate and use, a vehicle body and a constructor standing on the top end of the vehicle body are driven to integrally move on a paved road surface by the aid of a motor, the trouble of walking movement of the constructor is avoided, the cylindrical valve core 502 can be opened and closed by sliding back and forth on the valve 501, the five L-shaped pull rods 503 can drive the five cylindrical valve cores 502 to slide back and forth, springs on the five L-shaped pull rods 503 can rebound to push and push the five cylindrical valve cores 502 to automatically return to slide back and reset and close, the five frames 2 can be linked to push the five L-shaped pull rods 503 and slide the five cylindrical valve cores 502 to open the five valves 501 in the forward direction in the process of downward sliding and jacking, so that the pressing plate 3 sprays and moistens paving cement at the bottoms of the pebbles, the five vertical frames 2 are free of manual frequent water spraying devices, time-saving and labor-saving, the trouble of frequently-pressing and frequently-pressing water spraying operation and leveling operation can be performed successively in a rapid sequence, the leveling operation and convenient one-step-by step, the springs can be used, the vertical frame 2 can be automatically reset, and reset springs can be used conveniently, and reset the springs on the vertical frame 2 can be used for four vertical frame 301;
water flow path: the external water source sequentially passes through the metal conduit 5, the valve 501 and the water distribution plate 4, and finally is sprayed through ten rows of spray holes on the pressing plate 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a device is mated formation with cobble in gardens construction which characterized in that: the bicycle frame comprises a frame (1), wherein two support plates are symmetrically and downwards supported at the left end and the right end of the frame (1), two wheels are symmetrically and rotatably arranged on the two support plates, two motors are symmetrically and tightly locked at the inner sides of the two support plates, and the two motors are correspondingly in shaft connection transmission with the two wheels at the front side; five stepping frames (2) penetrate through the frame (1) and are inserted into the frame, the five stepping frames (2) are all rectangular in structure, and the bottoms of the five stepping frames (2) are welded with hanging supports to form rectangular pressing plates (3); the top ends of the five pressing plates (3) are welded and fixed with a water distribution plate (4); a metal conduit (5) penetrates through, is welded and supported on the left vertical supporting plate and the right vertical supporting plate of the frame (1), and the metal conduit (5) is connected to an external water source; the metal conduit (5) comprises valves (501), five valves (501) are welded and communicated downwards on the metal conduit (5) at equal intervals, the five valves (501) are communicated with five water distribution plates (4) through five hoses, and the metal conduit (5) is suspended and supported below the bottom of the frame (1);
the stepping frame (2) comprises a trapezoidal top frame (201), the middle position of the bottom of the stepping frame (2) is downwards welded and supported with the trapezoidal top frame (201), and the trapezoidal top frame (201) is inserted into the bottom of the frame (1);
the pressing plate (3) comprises vertical supporting slide rods (301), ten rows of water spraying holes are formed in the bottom of the pressing plate (3) in a penetrating mode and are communicated with the water distribution plate (4) in a welding mode, four vertical supporting slide rods (301) are symmetrically welded on the pressing plate (3), and the top ends of the four vertical supporting slide rods (301) are fixedly welded with the stepping frame (2);
the metal conduit (5) further comprises a valve core (502) and an L-shaped pull rod (503), wherein one cylindrical valve core (502) is slidably mounted in each of five positions of the valve (501), and one L-shaped pull rod (503) is welded on each of the five cylindrical valve cores (502);
five trapezoidal top frames (201) are correspondingly propped above five L-shaped pull rods (503), and inclined side plates of the five trapezoidal top frames (201) slide downwards to be propped against and contacted with cross brace sections of the L-shaped pull rods (503);
the top end sections of the four vertical supporting sliding rods (301) are sleeved with springs, and the five stepping frames (2) are installed through the springs on the four vertical supporting sliding rods (301) at the bottoms in a pushing mode.
2. The pebble paving device for garden construction according to claim 1, wherein: five transverse supporting pipe sections of the valves (501) are respectively supported and welded with a positioning circular plate, five L-shaped pull rods (503) are pushed by springs to penetrate through the five positioning circular plates, and head end sections of the five L-shaped pull rods (503) penetrate through the five transverse supporting pipe sections of the valves (501).
3. The pebble paving device for garden construction according to claim 1, characterized in that: the whole stepping frame (2) is formed by welding and combining six support rods which are welded in a criss-cross mode in a peripheral rectangular frame and the rectangular frame, and the five stepping frames (2) are pushed by springs and supported above the frame (1) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110094614.0A CN112921756B (en) | 2021-01-25 | 2021-01-25 | Pebble paving device for garden construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110094614.0A CN112921756B (en) | 2021-01-25 | 2021-01-25 | Pebble paving device for garden construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112921756A CN112921756A (en) | 2021-06-08 |
| CN112921756B true CN112921756B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110094614.0A Active CN112921756B (en) | 2021-01-25 | 2021-01-25 | Pebble paving device for garden construction |
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| Country | Link |
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| CN (1) | CN112921756B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277726A (en) * | 2018-01-11 | 2018-07-13 | 南昌华学科技有限公司 | A kind of constructing road is with ignoring place's flattening equipment |
| CN210712458U (en) * | 2019-08-05 | 2020-06-09 | 李善英 | Road surface rolling machine that bridge engineering used |
| CN210766266U (en) * | 2019-07-17 | 2020-06-16 | 王亚妮 | Highway construction is with floating device |
| CN210886845U (en) * | 2019-10-08 | 2020-06-30 | 吴强 | Road construction road surface compaction equipment |
| CN211113389U (en) * | 2019-11-19 | 2020-07-28 | 董秀柱 | Bituminous paving device for municipal works |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2543766A1 (en) * | 2006-04-18 | 2007-10-18 | Dean Jeffrey | Vibratory plate compactor with aggregate feed system |
-
2021
- 2021-01-25 CN CN202110094614.0A patent/CN112921756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277726A (en) * | 2018-01-11 | 2018-07-13 | 南昌华学科技有限公司 | A kind of constructing road is with ignoring place's flattening equipment |
| CN210766266U (en) * | 2019-07-17 | 2020-06-16 | 王亚妮 | Highway construction is with floating device |
| CN210712458U (en) * | 2019-08-05 | 2020-06-09 | 李善英 | Road surface rolling machine that bridge engineering used |
| CN210886845U (en) * | 2019-10-08 | 2020-06-30 | 吴强 | Road construction road surface compaction equipment |
| CN211113389U (en) * | 2019-11-19 | 2020-07-28 | 董秀柱 | Bituminous paving device for municipal works |
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| Publication number | Publication date |
|---|---|
| CN112921756A (en) | 2021-06-08 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220928 Address after: Room 102, No. 1, Wuxing Liuli, Xiang'an District, Xiamen, Fujian, 361100 Applicant after: Xiamen Xiangtiansheng Construction Group Co.,Ltd. Address before: 200000 Shanghai Landscaping Construction Co., Ltd., building 1, No. 589, Yunling West Road, Putuo District, Shanghai Applicant before: Li Zhilong |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A pebble paving device for garden construction Granted publication date: 20221028 Pledgee: Xiamen Xiang'an District Branch of China Postal Savings Bank Co.,Ltd. Pledgor: Xiamen Xiangtiansheng Construction Group Co.,Ltd. Registration number: Y2024980020124 |