CN113585778A - Scene wall construction equipment for environmental art design - Google Patents
Scene wall construction equipment for environmental art design Download PDFInfo
- Publication number
- CN113585778A CN113585778A CN202110909994.9A CN202110909994A CN113585778A CN 113585778 A CN113585778 A CN 113585778A CN 202110909994 A CN202110909994 A CN 202110909994A CN 113585778 A CN113585778 A CN 113585778A
- Authority
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- China
- Prior art keywords
- base
- roller
- lifting frame
- oil cylinder
- wall construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000007613 environmental effect Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000004575 stone Substances 0.000 claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 18
- 230000007723 transport mechanism Effects 0.000 claims abstract description 5
- 238000010009 beating Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005056 compaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/26—Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls
Abstract
The invention discloses a scenic wall construction device for environmental art design, which comprises a trolley body and a base for supporting an assembled wall body, wherein the trolley body is provided with a rockfall mechanism for laying broken stones, a pressing mechanism for pressing the rockfall and a carrying mechanism for carrying the base onto the rockfall. During the landscape wall construction, at first, fluting on ground through the excavator, the dolly body moves ahead along the groove limit, and the mechanism of falling rocks lays the fluting at this in-process rock fall, and later hold-down mechanism flattens the rubble, and transport mechanism carries the base to the fluting in, later manual work backfills earth, the compaction base to install the assembled wall body on the base through hoisting machine structure, make things convenient for the installation and construction of landscape wall, reduced intensity of labour, raise the efficiency.
Description
Technical Field
The invention relates to the technical field of environmental art design, in particular to a scenic wall construction device for environmental art design.
Background
The landscape wall is a common building in gardens, the form of the landscape wall is not limited, the functions are set according to requirements, and the materials are rich and various. In addition to the common wall for blocking, missing and background in gardens, many cities are important ways to construct city culture and improve city appearance.
However, most of the existing landscape wall construction processes are in a manual construction mode, and the mode wastes time and labor, and is high in labor intensity and low in efficiency.
Disclosure of Invention
The invention aims to solve the problems and provides a landscape wall construction device for environmental art design, which can realize automatic assembly type building of a landscape wall, reduce labor intensity and improve efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a scene wall construction equipment for environmental art design, includes the dolly body, still including the base that is used for supporting the assembled wall body, be equipped with the rock fall mechanism that is used for laying the rubble on the dolly body for compress tightly the hold-down mechanism of rock fall and be used for carrying the transport mechanism on the rock fall with the base.
Further, the base comprises a square shell at the bottom and a positioning groove at the upper end.
Further, the stone falling mechanism comprises a hopper for containing broken stones, a blanking port is formed in the lower end of the hopper, a blanking roller is arranged in the blanking port, and the two ends of the blanking roller are rotatably connected with the inner wall of the blanking port.
Furthermore, a groove is formed in the outer cylindrical surface of the blanking roller, and a motor for driving the blanking roller to rotate is arranged on the side surface of the blanking port.
Furthermore, hold-down mechanism is including the running roller that is used for flattening the rubble and the first crane that drives the running roller and go up and down, first crane supports on the dolly body and goes up and down at the dolly body.
Furthermore, a first fixing frame is arranged on the trolley body, the first fixing frame is fixed on the trolley body, the first lifting frame is installed on the first fixing frame and is in sliding connection with the first fixing frame, a first oil cylinder is arranged on the first fixing frame, the end of the first oil cylinder body is fixed on the first fixing frame, the end of the first oil cylinder piston rod is connected with the first lifting frame, and the roller wheel is installed at the lower end of the first lifting frame and is in rotating connection with the first lifting frame.
Further, the carrying mechanism comprises a support, the support is supported on the trolley body and moves left and right on the trolley body, the base is stacked on the trolley body and located in the support, two ends of the upper end face of the support are respectively provided with a winch, the winches are connected with hooks through steel wire ropes, and the hooks are connected with the base.
Furthermore, a track is arranged on the trolley body, a roller is arranged at the lower end of the support and matched with the track, the roller is a driving wheel set, and a limiting block is arranged at one end of the outer side of the track.
Further, still include the afraid mechanism of beating for patting the base, the afraid is beated the mechanism and is located handling mechanism the place ahead.
Furthermore, the patting mechanism comprises a patting plate used for patting the base and a second lifting frame used for driving the patting plate to lift, a second fixing frame is arranged on the trolley body, the second lifting frame is installed on the side face of the second fixing frame and is in sliding connection with the second fixing frame, a second oil cylinder is arranged on the second fixing frame, the cylinder body end of the second oil cylinder is fixed on the second fixing frame, the piston rod end of the second oil cylinder is connected with the second lifting frame, a third oil cylinder is arranged at the lower end of the second lifting frame, the cylinder body end of the third oil cylinder is connected with the lower end of the second lifting frame, and the piston rod end of the third oil cylinder is connected with the patting plate.
The invention has the beneficial effects that:
1. the trolley comprises a base for supporting an assembled wall body, wherein a rock falling mechanism for laying broken stones, a pressing mechanism for pressing the falling rocks and a conveying mechanism for conveying the base to the falling rocks are arranged on the trolley body. During the landscape wall construction, at first, fluting on ground through the excavator, the dolly body moves ahead along the groove limit, and the mechanism of falling rocks lays the fluting at this in-process rock fall, and later hold-down mechanism flattens the rubble, and transport mechanism carries the base to the fluting in, later manual work backfills earth, the compaction base to install the assembled wall body on the base through hoisting machine structure, make things convenient for the installation and construction of landscape wall, reduced intensity of labour, raise the efficiency.
2. The compaction mechanism comprises a roller for flattening broken stones and a first lifting frame for driving the roller to lift, and the first lifting frame is supported on the trolley body and lifts on the trolley body. After the broken stone is paved at the bottom of the open groove, the first lifting frame descends, the roller presses the broken stone, the roller rolls along with the advance of the trolley body to flatten the broken stone, the base is convenient to mount, and the landscape wall is stable to mount.
3. The carrying mechanism comprises a support, the support is supported on a trolley body and moves left and right on the trolley body, a base is stacked on the trolley body, the base is located in the support, two ends of the upper end face of the support are respectively provided with a winch, the winch is connected with a hook through a steel wire rope, the hook is connected with the base, when the base is installed, the support moves left to the corresponding base, the winch drives the hook to descend and hooks the base with the hook, the winch collects the steel wire rope, the base is lifted up through the hook, then the support moves right until the support moves above a groove, the winch releases the steel wire rope, the base is placed in the groove, manual carrying of the base is not needed, and labor intensity is reduced.
4. The base security protection device comprises a beating prevention mechanism used for beating the base, wherein the beating prevention mechanism is positioned in front of a carrying mechanism, and after the base security protection is completed, the beating mechanism is used for beating the base to enable the adjacent base to be in close contact with each other.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a right side view of the present invention;
FIG. 5 is a schematic view of the pressing mechanism of the present invention;
FIG. 6 is a schematic view of a flapping mechanism according to the present invention;
FIG. 7 is a schematic view of the blanking roller structure of the present invention;
fig. 8 is a cross-sectional view of a base of the present invention.
In the figure: the automatic feeding device comprises a trolley body 1, a base 2, a square shell 3, a positioning groove 4, a hopper 5, a blanking port 6, a blanking roller 7, a groove 8, a roller wheel 9, a first lifting frame 10, a first fixing frame 11, a first oil cylinder 12, a support 13, a winch 14, a steel wire rope 15, a hook 16, a rail 17, a roller wheel 18, a limiting block 19, a beating plate 20, a second lifting frame 21, a second fixing frame 22, a second oil cylinder 23 and a third oil cylinder 24.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 3 and 4, the landscape wall construction device for the environmental art design comprises a trolley body 1 and a base 2 for supporting an assembly wall, wherein a rock falling mechanism for laying broken stones, a pressing mechanism for pressing the falling rocks and a carrying mechanism for carrying the base 2 to the falling rocks are arranged on the trolley body 1. During the landscape wall construction, at first grooving on ground through the excavator, dolly body 1 moves ahead along the groove limit, and the mechanism of falling the stone at this in-process is laid the stone and is opened the groove, and later hold-down mechanism flattens the rubble, and transport mechanism carries base 2 to the fluting in, later manual work is backfilled earth, the compaction base to install the assembled wall body on base 2 through hoisting machine, make things convenient for the installation and construction of landscape wall, reduced intensity of labour, raise the efficiency.
As shown in fig. 8, the base 2 includes a square casing 3 at the bottom and a positioning groove 4 at the upper end, a reinforcing rib is arranged between the square casing 3 and the positioning groove 4, the width of the square casing 3 is greater than that of the positioning groove 4, and after backfilling, the base is firmer.
As shown in fig. 2, the rock falling mechanism is including the hopper 5 that is used for holding the rubble, hopper 5 passes through the support to be fixed on dolly body 1, and 5 lower extremes of hopper are the toper inclined plane, the toper inclined plane bottom of 5 lower extremes of hopper is equipped with blanking mouth 6, and blanking mouth 6 is rectangular shape, and the length and the grooved width in ground of rectangular shape blanking mouth 6 correspond, be equipped with blanking roller 7 in the blanking mouth 6, blanking roller 7 axis direction corresponds with 6 length direction of blanking mouth, blanking roller 7 both ends are connected with 6 inner walls rotations of blanking mouth.
As shown in fig. 7, a groove 8 is formed in an outer cylindrical surface of the blanking roller 7, and a motor for driving the blanking roller 7 to rotate is arranged on a side surface of the blanking port 6.
Along with the advance of the trolley body 1, the motor drives the blanking roller 7 to rotate, and the broken stones in the hopper 5 are continuously driven to fall into the groove on the ground, so that the bottom of the groove is fully paved with the broken stones.
As shown in fig. 2 and 3, the pressing mechanism comprises a roller 9 for flattening broken stones and a first lifting frame 10 for driving the roller 9 to lift, and the first lifting frame 10 is supported on the trolley body 1 and lifts on the trolley body 1.
As shown in fig. 3, a first fixing frame 11 is arranged on the trolley body 1, the first fixing frame 11 is fixed on the trolley body 1, the first lifting frame 10 is arranged on the first fixing frame 11 and is in sliding connection with the first fixing frame 11 through a guide rail and slide block pair, the first lifting frame 10 is located on the outer side of the trolley body 1, a first oil cylinder 12 is arranged on the first fixing frame 11, the end of the cylinder body of the first oil cylinder 12 is fixed on the first fixing frame 11, the piston rod end of the first oil cylinder 12 is connected with the first lifting frame 10, the first fixing frame 11 and the first lifting frame 10 are both in a rectangular frame structure, and the roller 9 is arranged at the lower end of the first lifting frame 10 and is in rotating connection with the first lifting frame 10.
The piston rod of the first oil cylinder 12 stretches and retracts to drive the first lifting frame 10 to lift, when the bottom of the groove is fully paved with the broken stones, the first oil cylinder 12 drives the first lifting frame 10 to descend, the roller 9 presses the broken stones, the roller 9 rolls along with the advance of the trolley body 1, the broken stones are flattened, the base 2 is convenient to mount, and the landscape wall is stable to mount.
As shown in fig. 1, the carrying mechanism comprises a support 13, the support 13 is door-shaped, the support 13 is supported on the trolley body 1 and moves left and right on the trolley body 1, the bases 2 are stacked on the trolley body 1, the bases 2 are positioned in the support 13, two ends of the upper end face of the support 13 are respectively provided with a winch 14, the winches 14 are connected with a hook 16 through a steel wire rope 15, the hooks 16 are connected with the bases 2, two sides of the bases 2 are respectively provided with a buckle, the hooks 16 are matched with the buckles, when the bases 2 are installed, the support 13 moves to the corresponding base 2 in the left direction, the winch 14 drives the hooks 16 to descend and hook the buckles through the hooks 16, the winch 14 collects the steel wire rope, the bases 2 are lifted through the hooks 16, then the support 13 moves to the right side until the supports move to the upper side of the open slot, the winch 14 releases the steel wire rope, the bases 2 are placed in the open slot, soil is backfilled and compacted, the base 2 is fixed without manual carrying, and the labor intensity is reduced.
As shown in fig. 1, a track 17 is arranged on the trolley body 1, a roller 18 is arranged at the lower end of the support 13, the roller 18 is matched with the track 17, the roller 18 is a driving wheel set, the driving support moves along the track, and a limit block 19 is arranged at one end of the outer side of the track 17 to prevent the support 13 from falling off the track.
As shown in figure 1, the device also comprises a beating-resistant mechanism for beating the base 2, wherein the beating-resistant mechanism is positioned in front of the carrying mechanism, and after the security of the base is finished, the beating mechanism can beat the base and closely contact the adjacent bases.
As shown in fig. 4, the patting mechanism comprises a patting plate 20 for patting the base and a second lifting frame 21 for driving the patting plate 20 to lift, a second fixing frame 22 is arranged on the trolley body 1, the second fixing frame 22 and the second lifting frame 21 are both rectangular frames, the second fixing frame 22 is fixed on the trolley body 1 through bolts, the second lifting frame 21 is installed on the side surface of the second fixing frame 22 and is in sliding connection with the second fixing frame 22 through a guide rail and slider pair, a second oil cylinder 23 is arranged on the second fixing frame 22, the cylinder end of the second oil cylinder 23 is fixed on the second fixing frame 22, the piston rod end of the second oil cylinder 23 is connected with the second lifting frame 21, a third oil cylinder 24 is arranged at the lower end of the second lifting frame 21, the cylinder end of the third oil cylinder 24 is connected with the lower end of the second lifting frame 21, the piston rod end of the third oil cylinder 24 is connected with the patting plate 20, the piston rod of the third oil cylinder 24 extends out to drive the clapper board 20 to move, and the base 2 is pushed to move.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a scene wall construction equipment for environmental art design, includes dolly body (1), its characterized in that still includes base (2) that are used for supporting the assembled wall body, be equipped with the rock fall mechanism that is used for laying the rubble on dolly body (1) for compress tightly the hold-down mechanism of rock fall and be used for carrying the transport mechanism on the rock fall with base (2).
2. A landscape wall construction equipment according to claim 1, wherein the base (2) comprises a square housing (3) at the bottom and a positioning groove (4) at the upper end.
3. The wall construction device for the environmental art design as recited in claim 1, wherein the rock falling mechanism comprises a hopper (5) for holding crushed stones, a blanking port (6) is arranged at the lower end of the hopper (5), a blanking roller (7) is arranged in the blanking port (6), and two ends of the blanking roller (7) are rotatably connected with the inner wall of the blanking port (6).
4. A landscaping construction device for environmental artistic design as defined in claim 3, wherein the blanking roller (7) is provided with a groove (8) on its outer cylindrical surface, and the blanking port (6) is provided with a motor on its side for driving the blanking roller (7) to rotate.
5. The landscape wall construction equipment according to claim 1, wherein the pressing mechanism comprises a roller (9) for flattening the crushed stone and a first lifting frame (10) for driving the roller (9) to lift, and the first lifting frame (10) is supported on the trolley body (1) and lifted on the trolley body (1).
6. A landscaping wall construction device for environmental art design according to claim 5, wherein the trolley body (1) is provided with a first fixing frame (11), the first fixing frame (11) is fixed on the trolley body (1), the first lifting frame (10) is installed on the first fixing frame (11) and is slidably connected with the first fixing frame (11), the first fixing frame (11) is provided with a first oil cylinder (12), the cylinder body end of the first oil cylinder (12) is fixed on the first fixing frame (11), the piston rod end of the first oil cylinder (12) is connected with the first lifting frame (10), and the roller (9) is installed at the lower end of the first lifting frame (10) and is rotatably connected with the first lifting frame (10).
7. The landscape wall construction device for the environmental art design according to claim 1, wherein the carrying mechanism comprises a support (13), the support (13) is supported on the trolley body (1) and moves left and right on the trolley body (1), the base (2) is stacked on the trolley body (1), the base (2) is located in the support (13), two ends of the upper end face of the support (13) are respectively provided with a winch (14), the winches (14) are connected with a hook (16) through a steel wire rope (15), and the hook (16) is connected with the base (2).
8. A landscaping wall construction device for environmental art design according to claim 7, wherein the trolley body (1) is provided with a rail (17), the lower end of the bracket (13) is provided with a roller (18), the roller (18) is matched with the rail (17), the roller (18) is a driving wheel set, and one end of the outer side of the rail (17) is provided with a limit block (19).
9. A landscape wall construction apparatus according to claim 1, further comprising a beating-resistant mechanism for beating the base (2), the beating-resistant mechanism being located in front of the carrying mechanism.
10. The landscape wall construction apparatus for environmental art design according to claim 9, the flapping mechanism comprises a flapping plate (20) for flapping the base and a second lifting frame (21) for driving the flapping plate (20) to lift, the trolley body (1) is provided with a second fixed frame (22), the second lifting frame (21) is arranged on the side surface of the second fixed frame (22) and is in sliding connection with the second fixed frame (22), the second fixed frame (22) is provided with a second oil cylinder (23), the cylinder body end of the second oil cylinder (23) is fixed on the second fixing frame (22), the piston rod end of the second oil cylinder (23) is connected with the second lifting frame (21), the lower end of the second lifting frame (21) is provided with a third oil cylinder (24), the cylinder body end of the third oil cylinder (24) is connected with the lower end of the second lifting frame (21), and the piston rod end of the third oil cylinder (24) is connected with the beating plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110909994.9A CN113585778A (en) | 2021-08-09 | 2021-08-09 | Scene wall construction equipment for environmental art design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110909994.9A CN113585778A (en) | 2021-08-09 | 2021-08-09 | Scene wall construction equipment for environmental art design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113585778A true CN113585778A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110909994.9A Pending CN113585778A (en) | 2021-08-09 | 2021-08-09 | Scene wall construction equipment for environmental art design |
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| CN (1) | CN113585778A (en) |
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| CN208363538U (en) * | 2018-04-14 | 2019-01-11 | 徐州工业职业技术学院 | Floor laying apparatus for building |
| CN109797632A (en) * | 2017-11-16 | 2019-05-24 | 董伟 | Road pavement is with sanding device |
| CN111472239A (en) * | 2020-05-07 | 2020-07-31 | 开封大学 | Rubble spreader is used in road construction |
| CN211340298U (en) * | 2019-11-18 | 2020-08-25 | 河南省第二公路工程有限公司 | Construction device for coating and sealing asphalt pavement |
| CN111794049A (en) * | 2020-06-11 | 2020-10-20 | 陈秀兰 | Rubble paving device for road construction |
| CN111926659A (en) * | 2020-08-20 | 2020-11-13 | 许雨晴 | Automatic laying machine for municipal floor tiles |
| CN212773331U (en) * | 2020-06-30 | 2021-03-23 | 河南师范大学新联学院 | Auxiliary machinery for paving floor tiles |
-
2021
- 2021-08-09 CN CN202110909994.9A patent/CN113585778A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797632A (en) * | 2017-11-16 | 2019-05-24 | 董伟 | Road pavement is with sanding device |
| CN208363538U (en) * | 2018-04-14 | 2019-01-11 | 徐州工业职业技术学院 | Floor laying apparatus for building |
| CN211340298U (en) * | 2019-11-18 | 2020-08-25 | 河南省第二公路工程有限公司 | Construction device for coating and sealing asphalt pavement |
| CN111472239A (en) * | 2020-05-07 | 2020-07-31 | 开封大学 | Rubble spreader is used in road construction |
| CN111794049A (en) * | 2020-06-11 | 2020-10-20 | 陈秀兰 | Rubble paving device for road construction |
| CN212773331U (en) * | 2020-06-30 | 2021-03-23 | 河南师范大学新联学院 | Auxiliary machinery for paving floor tiles |
| CN111926659A (en) * | 2020-08-20 | 2020-11-13 | 许雨晴 | Automatic laying machine for municipal floor tiles |
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Application publication date: 20211102 |
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| RJ01 | Rejection of invention patent application after publication |