CN115283162A - Polyurethane spraying device for assembly type building - Google Patents
Polyurethane spraying device for assembly type building Download PDFInfo
- Publication number
- CN115283162A CN115283162A CN202111127394.3A CN202111127394A CN115283162A CN 115283162 A CN115283162 A CN 115283162A CN 202111127394 A CN202111127394 A CN 202111127394A CN 115283162 A CN115283162 A CN 115283162A
- Authority
- CN
- China
- Prior art keywords
- bearing frame
- groups
- spraying device
- polyurethane spraying
- prefabricated building
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 32
- 239000004814 polyurethane Substances 0.000 title claims abstract description 24
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000001802 infusion Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 11
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000011527 polyurethane coating Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/007—At least a part of the apparatus, e.g. a container, being provided with means, e.g. wheels, for allowing its displacement relative to the ground
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a polyurethane spraying device for an assembly type building, which comprises a bearing frame and a guide rod, wherein two groups of liquid storage tanks are arranged at the top of the bearing frame; four groups of end covers are arranged on the outer side of the bearing frame, and air cylinders are arranged on the inner sides of the end covers; two groups of guide rods are installed on the inner side of the bearing frame in a penetrating mode, sliding blocks are movably installed on the outer surfaces of the guide rods, and two groups of electric heating heat preservation layers are installed on the inner sides of the sliding blocks. The invention effectively solves the problem of uneven spraying when the traditional device is used by installing the air cylinder.
Description
Technical Field
The invention relates to the technical field of polyurethane spraying, in particular to a polyurethane spraying device for an assembly type building.
Background
In the middle of modern building engineering, the building field begins to adopt fabricated building gradually, and fabricated building can shorten the required time of building greatly, improves the speed of building, is carrying out the installation such as protection such as heat preservation to the fabricated wall and generally need use polyurethane coating, can form the heat preservation inoxidizing coating at the wall fast through polyurethane coating, but traditional polyurethane spraying device has the weak point.
The polyurethane spraying device in the prior art has the following defects:
1. the patent document CN202762579U discloses a foamed polyurethane spraying device, which comprises a liquid tank a and a liquid tank b, wherein MDI and polyether polyol are respectively installed in the liquid tank a and the liquid tank b, valves are arranged on the tops of the liquid tank a and the liquid tank b, the liquid tank a and the liquid tank b are respectively connected with a spray gun through hoses, the spray gun is provided with a spray nozzle, the spray nozzle is V-shaped or O-shaped, and water-based foamed elastic foam does not release toxic gas in a fire hazard, is a harmless and nontoxic spraying type thermal insulation material and is used for thermal insulation, freezing prevention, sound insulation and water prevention of an interface gap.
2. When current polyurethane spraying device is used, need take two sets of solutions out through the pump machine usually and form the polyurethane coating of foaming after mixing according to certain proportion, need carry out the spraying fast when spray gun inside mixes, the condition that the material that does not spout when shower nozzle temperature reduces will appear solidifying is cleared up again and is needed extravagant a large amount of times, is unfavorable for the staff and uses.
Disclosure of Invention
The invention aims to provide a polyurethane spraying device for an assembly type building, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a polyurethane spraying device for an assembly type building comprises a bearing frame and a guide rod, wherein two groups of liquid storage tanks are mounted at the top of the bearing frame, liquid conveying pipes are mounted at the tops of the liquid storage tanks, a mounting plate is mounted on the front surface of the bearing frame, and a plurality of groups of mounting seats are mounted on two sides of the top of the bearing frame;
four groups of end covers are arranged on the outer side of the bearing frame, and air cylinders are arranged on the inner sides of the end covers;
two groups of guide rods are installed on the inner side of the bearing frame in a penetrating mode, sliding blocks are movably installed on the outer surfaces of the guide rods, and two groups of electric heating heat preservation layers are installed on the inner sides of the sliding blocks.
Preferably, the inner side of the middle part of the sliding block is provided with a rotary screw rod in a penetrating and movable mode, and the inner side of the electric heating heat preservation layer is provided with a spraying gun.
Preferably, a servo motor is installed on the front face of the installation disc, a junction box is installed at the top of the servo motor, a rotating shaft is movably installed at the output end of the servo motor, and the rotating shaft is located on the inner side of the rotating screw rod.
Preferably, four groups of pull rods are installed on the outer side of the cylinder, the piston is installed at the output end of the cylinder, and the fixing plate is installed at the bottom of the piston.
Preferably, the bottom of fixed plate is installed the activity and is had the carousel, and the limiting plate is installed to the bottom of carousel, and the inboard movable mounting of limiting plate has the universal wheel.
Preferably, the rotary motor is installed at the top of mount pad, and the pump machine is installed to rotary motor's output, and import and export are installed to the input and the output of pump machine, and the inlet is installed at the top of importing and exporting.
Preferably, a valve is installed at the top of the liquid inlet, an electromagnetic controller is installed at the top of the valve, a liquid outlet is installed at the output end of the valve, and the liquid outlet is connected with the liquid conveying pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the air cylinder is arranged, when the device is used, the integral device can be moved to the top of the assembled wallboard to be sprayed through the universal wheel, the air cylinder drives the integral device to lift and lower for adjusting the spraying area and thickness of the internal spraying device, and then the servo motor on the front side drives the internal sliding block to move, so that the problem of uneven spraying thickness caused by distance change easily occurring in the use of the traditional device can be effectively solved.
2. According to the invention, the electric heating insulation layer is arranged, when the device is used, two groups of solutions are filled into the spray gun by the pump machine to be mixed, the electric heating insulation layer on the outer side can continuously provide a heating effect for the spray gun on the inner side, and the problem that the device needs to be cleaned due to rapid cooling and condensation of polyurethane in the device, so that a large amount of time is wasted can be prevented.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the guide bar of the present invention;
FIG. 3 is a schematic structural diagram of a servo motor according to the present invention;
FIG. 4 is a schematic view of the cylinder structure of the present invention;
fig. 5 is a schematic diagram of the structure of the electromagnetic controller of the invention.
In the figure: 1. a bearing frame; 101. a liquid storage tank; 102. a transfusion tube; 2. a spray gun; 201. a slider; 202. a guide bar; 203. rotating the screw; 204. an electric heat insulation layer; 3. a servo motor; 301. mounting a disc; 302. a junction box; 303. a rotating shaft; 4. a cylinder; 401. an end cap; 402. a pull rod; 403. a piston; 5. a universal wheel; 501. a fixing plate; 502. rotating the disc; 503. a limiting plate; 6. a pump machine; 601. a mounting base; 602. a rotary motor; 603. an inlet and an outlet; 7. an electromagnetic controller; 701. a liquid inlet; 702. a valve; 703. and a liquid outlet.
Detailed description of the invention
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they 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.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides an embodiment: a polyurethane spraying device for an assembly type building,
the first embodiment is as follows: the liquid storage device comprises a bearing frame 1, two groups of liquid storage tanks 101 are installed at the top of the bearing frame 1, infusion tubes 102 are installed at the tops of the liquid storage tanks 101, the bearing frame 1 is a main body bearing structure of the device and can provide mounting positions for the top and the inner devices and stability for the whole device, the liquid storage tanks 101 are used for storing two different solutions and mixing the two different solutions to ensure that the device can be normally used, the infusion tubes 102 are used for outputting the inner solutions and ensuring that the device can normally carry out liquid conveying, a mounting disc 301 is installed on the front surface of the bearing frame 1, a servo motor 3 is installed on the front surface of the mounting disc 301, a junction box 302 is installed at the top of the servo motor 3, a rotating shaft 303 is movably installed at the output end of the servo motor 3, the rotating shaft 303 is located on the inner side of a rotating screw 203, and the mounting disc 301 can provide stability for the front servo motor 3, the junction box 302 can be connected with an external power supply to ensure that the device can normally run in a power-on mode, the servo motor 3 can provide power for an inner side moving device and ensure that the device can be normally used, the rotating shaft 303 can transmit the rotating kinetic energy of the servo motor 3, a plurality of groups of mounting seats 601 are mounted on two sides of the top of the bearing frame 1, the rotating motor 602 is mounted on the top of the mounting seats 601, the pump 6 is mounted at the output end of the rotating motor 602, an inlet and an outlet 603 are mounted at the input end and the output end of the pump 6, the mounting seats 601 can provide support for the rotating motor 602 on the top to ensure the stability of the top device and prevent the shaking condition in the running process, the rotating motor 602 can convey liquid through a turbine in the pump 6 which is rotatably driven to be driven by the output end, the inlet and the outlet 603 can provide input and output positions for the liquid, and ensure that the device can be normally used, a liquid inlet 701 is installed at the top of the inlet and outlet 603, a valve 702 is installed at the top of the liquid inlet 701, an electromagnetic controller 7 is installed at the top of the valve 702, a liquid outlet 703 is installed at the output end of the valve 702, the liquid outlet 703 is connected with the infusion tube 102, liquid is filled into the valve 702 through the liquid inlet 701 by the pump machine 6 and then is discharged through the liquid outlet 703, in the operation process, the electromagnetic controller 7 at the top of the valve 702 controls the valve 702 at the bottom, the device can be ensured to perform cut-off control at any time, a fixing plate 501 is installed at the bottom of the piston 403, a movable rotary disc 502 is installed at the bottom of the fixing plate 501, a limiting plate 503 is installed at the bottom of the rotary disc 502, a universal wheel 5 is movably installed at the inner side of the limiting plate 503, the fixing plate 501 can install a moving device at the bottom and a telescopic device at the top, the rotary disc 502 can provide steering capacity for the whole device, and the limiting plate 503 can limit the universal wheel 5 at the inner side to rotate to drive the whole device to move.
Referring to fig. 3, a polyurethane spraying device for prefabricated buildings;
example two: including bearing frame 1, four groups of end covers 401 are installed in the outside of bearing frame 1, cylinder 4 is installed to end cover 401's inboard, four groups of pull rods 402 are installed in the outside of cylinder 4, piston 403 is installed to cylinder 4's output, end cover 401 can fix inboard cylinder 4, guarantee inboard cylinder 4's stability, pull rod 402 can assist end cover 401 at top to fix cylinder 4, cylinder 4 can provide kinetic energy for the lift of integrated device, piston 403 can transmit cylinder 4's kinetic energy through flexible, guarantee that the device can normal use.
Referring to fig. 2, a polyurethane spraying device for prefabricated buildings;
example three: including bearing frame 1, bearing frame 1's inboard is run through and is installed two sets of guide arms 202, the surface movable mounting of guide arm 202 has slider 201, two sets of electric heat preservation 204 are installed to slider 201's inboard, the inboard at slider 201's middle part is run through movable mounting and is had rotatory screw rod 203, spray gun 2 is installed to electric heat preservation 204's inboard, guide arm 202 can provide the ability of restriction and guide for the slider 201 device of inboard, slider 201 can remove under rotatory screw rod 203's effect, and drive inboard spray gun 2 and carry out the spraying of polyurethane to the wallboard of bottom, rotatory screw rod 203 can rotate under servo motor 3's drive, electric heat preservation 204 can provide the ability of heating for spray gun 2, prevent that the problem that solidifies from appearing in the inside polyurethane.
The working principle is as follows: when the device is practical, the device is moved to the top of an assembled wallboard through the universal wheel 5, then the pump 6 at the output end is driven by the rotary motor 602 to draw out liquid in the liquid storage tank 101, then the liquid is input into the spraying gun 2 through the valve 702 and mixed, the outer electric heating layer 204 continuously heats the device in the practical process, the front servo motor 3 drives the inner slide block 201 to move, and the outer air cylinder 4 drives the whole device to lift and adjust the spraying area.
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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a polyurethane spraying device for prefabricated building, includes bearing frame (1) and guide arm (202), its characterized in that: two groups of liquid storage tanks (101) are mounted at the top of the bearing frame (1), infusion tubes (102) are mounted at the tops of the liquid storage tanks (101), a mounting plate (301) is mounted on the front face of the bearing frame (1), and a plurality of groups of mounting seats (601) are mounted on two sides of the top of the bearing frame (1);
four groups of end covers (401) are arranged on the outer side of the bearing frame (1), and a cylinder (4) is arranged on the inner side of each end cover (401);
two groups of guide rods (202) are installed on the inner side of the bearing frame (1) in a penetrating mode, sliding blocks (201) are movably installed on the outer surfaces of the guide rods (202), and two groups of electric heating heat preservation layers (204) are installed on the inner sides of the sliding blocks (201).
2. The polyurethane spraying device for the prefabricated building as claimed in claim 1, wherein: the inner side of the middle part of the sliding block (201) is penetrated and movably provided with a rotary screw rod (203), and the inner side of the electric heating heat preservation layer (204) is provided with a spraying gun (2).
3. The polyurethane spraying device for the prefabricated building as claimed in claim 1, wherein: servo motor (3) are installed in the front of mounting disc (301), and terminal box (302) are installed at the top of servo motor (3), and the output movable mounting of servo motor (3) has pivot (303), and pivot (303) are located the inboard of rotatory screw rod (203).
4. The polyurethane spraying device for the prefabricated building as claimed in claim 1, wherein: four groups of pull rods (402) are installed on the outer side of the air cylinder (4), a piston (403) is installed at the output end of the air cylinder (4), and a fixing plate (501) is installed at the bottom of the piston (403).
5. The polyurethane spraying device for the prefabricated building as claimed in claim 4, wherein: the bottom of fixed plate (501) is installed the activity and is had carousel (502), and limiting plate (503) are installed to the bottom of carousel (502), and the inboard movable mounting of limiting plate (503) has universal wheel (5).
6. The polyurethane spraying device for the prefabricated building as claimed in claim 1, wherein: rotary motor (602) is installed at the top of mount pad (601), and pump machine (6) are installed to the output of rotary motor (602), and import and export (603) are installed to the input and the output of pump machine (6), and inlet (701) are installed at the top of importing and exporting (603).
7. The polyurethane spraying device for the prefabricated building as claimed in claim 6, wherein: a valve (702) is installed at the top of the liquid inlet (701), an electromagnetic controller (7) is installed at the top of the valve (702), a liquid outlet (703) is installed at the output end of the valve (702), and the liquid outlet (703) is connected with the infusion tube (102) in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111127394.3A CN115283162A (en) | 2021-09-26 | 2021-09-26 | Polyurethane spraying device for assembly type building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111127394.3A CN115283162A (en) | 2021-09-26 | 2021-09-26 | Polyurethane spraying device for assembly type building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115283162A true CN115283162A (en) | 2022-11-04 |
Family
ID=83819018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111127394.3A Pending CN115283162A (en) | 2021-09-26 | 2021-09-26 | Polyurethane spraying device for assembly type building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115283162A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050274821A1 (en) * | 2004-06-11 | 2005-12-15 | Lear Corporation | Heated spray applicator |
| JP2014019884A (en) * | 2012-07-13 | 2014-02-03 | Sanmeta:Kk | Self-traveling thermal spray apparatus and thermal spray method using the same |
| CN107553903A (en) * | 2017-10-31 | 2018-01-09 | 王俊铎 | A kind of improved 3D printing device |
| CN108160399A (en) * | 2018-02-11 | 2018-06-15 | 苏州睿斯合机电设备有限公司 | A kind of glue dispensing valve nozzle heater |
| CN207770176U (en) * | 2017-12-24 | 2018-08-28 | 广州市龙图自动化设备有限公司 | A kind of running gear of spray equipment |
| CN210546077U (en) * | 2019-08-29 | 2020-05-19 | 广州雅南无纺布制品有限公司 | Non-woven fabric production is with spouting mucilage binding and putting |
| CN210959781U (en) * | 2019-11-01 | 2020-07-10 | 无锡蜂巢生态农业有限公司 | Irrigation equipment for plant planting |
| CN211275079U (en) * | 2019-09-20 | 2020-08-18 | 巴斯夫欧洲公司 | Polyurethane spraying system |
| CN212153045U (en) * | 2020-02-10 | 2020-12-15 | 青岛颐金建设装饰集团有限公司 | Be used for civil engineering watering device |
| CN212742096U (en) * | 2020-06-22 | 2021-03-19 | 中交二公局第三工程有限公司 | Asphalt pavement concrete surface viscous layer oil spraying device |
| CN112847997A (en) * | 2021-01-04 | 2021-05-28 | 赣州远锦安全科技有限公司 | Automatic production and pouring method for high polymer material polyurethane |
| CN113026493A (en) * | 2021-02-08 | 2021-06-25 | 黄素环 | Road and bridge overhauling equipment and operating method thereof |
| CN213710238U (en) * | 2020-09-08 | 2021-07-16 | 天津市昊航复合管业有限公司 | Polyurea spraying device for building construction |
-
2021
- 2021-09-26 CN CN202111127394.3A patent/CN115283162A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050274821A1 (en) * | 2004-06-11 | 2005-12-15 | Lear Corporation | Heated spray applicator |
| JP2014019884A (en) * | 2012-07-13 | 2014-02-03 | Sanmeta:Kk | Self-traveling thermal spray apparatus and thermal spray method using the same |
| CN107553903A (en) * | 2017-10-31 | 2018-01-09 | 王俊铎 | A kind of improved 3D printing device |
| CN207770176U (en) * | 2017-12-24 | 2018-08-28 | 广州市龙图自动化设备有限公司 | A kind of running gear of spray equipment |
| CN108160399A (en) * | 2018-02-11 | 2018-06-15 | 苏州睿斯合机电设备有限公司 | A kind of glue dispensing valve nozzle heater |
| CN210546077U (en) * | 2019-08-29 | 2020-05-19 | 广州雅南无纺布制品有限公司 | Non-woven fabric production is with spouting mucilage binding and putting |
| CN211275079U (en) * | 2019-09-20 | 2020-08-18 | 巴斯夫欧洲公司 | Polyurethane spraying system |
| CN210959781U (en) * | 2019-11-01 | 2020-07-10 | 无锡蜂巢生态农业有限公司 | Irrigation equipment for plant planting |
| CN212153045U (en) * | 2020-02-10 | 2020-12-15 | 青岛颐金建设装饰集团有限公司 | Be used for civil engineering watering device |
| CN212742096U (en) * | 2020-06-22 | 2021-03-19 | 中交二公局第三工程有限公司 | Asphalt pavement concrete surface viscous layer oil spraying device |
| CN213710238U (en) * | 2020-09-08 | 2021-07-16 | 天津市昊航复合管业有限公司 | Polyurea spraying device for building construction |
| CN112847997A (en) * | 2021-01-04 | 2021-05-28 | 赣州远锦安全科技有限公司 | Automatic production and pouring method for high polymer material polyurethane |
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