CN114324588A - Detection device is laid to external wall insulation polyethylene damping backing plate - Google Patents
Detection device is laid to external wall insulation polyethylene damping backing plate Download PDFInfo
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- CN114324588A CN114324588A CN202111636498.7A CN202111636498A CN114324588A CN 114324588 A CN114324588 A CN 114324588A CN 202111636498 A CN202111636498 A CN 202111636498A CN 114324588 A CN114324588 A CN 114324588A
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- wall insulation
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 238000013016 damping Methods 0.000 title claims abstract description 25
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 24
- -1 polyethylene Polymers 0.000 title claims abstract description 24
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 2
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The invention discloses a detection device for laying a polyethylene vibration damping base plate for external wall insulation, which belongs to the technical field of detection and comprises a supporting and moving combination and an adjusting combination connected to the top end of the supporting and moving combination, wherein the adjusting combination is connected with a detection combination; the detection combination comprises a mounting plate, a piston tube with a sucker and a knocking hammer, the piston tube is fixedly connected with the mounting plate, a piston rod matched with the piston tube is arranged in the piston tube, the piston rod is connected with a first electric telescopic rod, the first electric telescopic rod is fixedly connected with the mounting plate, the top end of the mounting plate is connected with two reciprocating electric push rods, the reciprocating electric push rods are connected with the knocking hammer, the side face of the mounting plate is further connected with a plurality of water spraying heads, a liquid storage tank is connected above the support moving combination, and the top end of the liquid storage tank is connected with a liquid pump. This detection device is laid to outer wall heat preservation polyethylene damping backing plate not only can realize detecting, can also supplementary removal and regulation.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to a device for detecting the laying of an outer wall heat-insulation polyethylene vibration-damping base plate, and a detection method of the device for detecting the laying of the outer wall heat-insulation polyethylene vibration-damping base plate.
Background
The outer wall insulation board is also called a floor line building outer wall decoration integrated board. The external wall insulation board is compounded by polymer mortar, glass fiber mesh cloth, flame-retardant molded polystyrene foam boards or extruded sheets and other materials, and integrates functions into a whole.
The Chinese patent document (CN113447432B) discloses a detection device for laying an external wall insulation board, which comprises a detection box body, wherein a detection cavity is arranged in the detection box body, and a detection mechanism is arranged in the detection cavity, the detection device utilizes a screw thread transmission principle and a gear transmission principle, extracts air in a sucker, utilizes the action of negative pressure to suck the insulation board up by the sucker and pulls the insulation board with a certain force, if the insulation board and an external wall surface are not firmly adhered, namely the insulation board is pulled, the device utilizes a cam transmission principle to give an alarm when the insulation board is not firmly adhered, so as to prompt a user in time, moreover, the device can spray glue between the insulation board and the external wall surface when the insulation board and the external wall surface are not firmly adhered, so as to re-adhere the insulation board and the external wall surface, and can control the amount of the sprayed glue according to the loosening condition, so as to save resources, the invention not only can ensure the detection efficiency, but also can help a user to save more time during construction and ensure the construction quality. But has the disadvantages that: the detection effect is general, the connection effect of laying can only be detected, and the detection capability does not exist for the hollowing problem and the waterproof problem.
Therefore, aiming at the current situation, the laying detection device for the outer wall heat-insulation polyethylene vibration-damping base plate is urgently needed to be designed and produced so as to meet the requirement of practical use.
Disclosure of Invention
The invention aims to provide a device for laying and detecting a polyethylene vibration reduction base plate for external wall heat insulation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a detection device for laying of an outer wall heat-preservation polyethylene vibration-damping base plate comprises a supporting and moving combination and an adjusting combination connected to the top end of the supporting and moving combination, wherein the adjusting combination is connected with a detection combination;
the detection combination comprises a mounting plate, a piston tube with a sucker and a knocking hammer, the piston tube is fixedly connected with the mounting plate, a piston rod matched with the piston tube is arranged in the piston tube, the piston rod is connected with a first electric telescopic rod, the first electric telescopic rod is fixedly connected with the mounting plate, the top end of the mounting plate is connected with two reciprocating electric push rods, the reciprocating electric push rods are connected with the knocking hammer, and the side face of the mounting plate is further connected with a plurality of water spraying heads.
In a further embodiment, a liquid storage tank is connected above the supporting and moving combination, a liquid pump is connected to the top end of the liquid storage tank, the liquid pump is communicated with the liquid storage tank through a connecting pipe, and the liquid pump is communicated with the plurality of water spraying heads through a water through pipe with a multi-way valve.
In a further embodiment, the supporting and moving assembly comprises a first bearing plate, a second bearing plate, rollers and hydraulic rods, wherein the first bearing plate is arranged above the second bearing plate, the bottom end of the second bearing plate is connected with a plurality of bearing rods, and the bottom ends of the bearing rods are connected with the rollers with braking capacity.
In a further embodiment, a hydraulic rod is connected to the bottom end of the central position of the second bearing plate, a cross plate is connected to the bottom end of the hydraulic rod, a supporting frame is connected to the periphery of the cross plate, a plurality of hollow tubes are connected to the top end of the supporting frame, and a plurality of insertion rods matched with the hollow tubes are connected to the bottom end of the second bearing plate.
In a further embodiment, the adjusting combination comprises two linear motors connected to the top ends of the supporting and moving combination, an assembly plate connected to the top ends of the two linear motors, and a vertical plate connected to the top end of the assembly plate.
In a further embodiment, a positive and negative motor is connected to the top end of the assembly plate, an output shaft of the positive and negative motor is connected to a threaded rod through a coupler, a threaded pipe is connected to the outer circumference of the threaded rod in a threaded manner, an auxiliary plate in a shape of a C-shaped outer circumference of the threaded pipe is connected to the side surface of the vertical plate, and a sliding block connected with the sliding rail in a sliding manner is connected to the side surface of the auxiliary plate.
In a further embodiment, the top end of the supporting and moving combination is further connected with a tool box, the top end of the tool box is rotatably connected with a turnover cover, and the inner wall of the tool box is connected with a partition plate for separating a space.
In a further embodiment, a plurality of pressure springs arranged in a rectangular array are connected between the first bearing plate and the second bearing plate, a plurality of round rods are connected to the bottom end of the first bearing plate, the round rods penetrate through the inner cavities of the pressure springs, and a plurality of movable channels matched with the round rods are formed in the top end of the second bearing plate.
In a further embodiment, the bottom end of the supporting frame is connected with a non-slip mat.
A detection method of a detection device for laying of an external wall heat-insulation polyethylene vibration-damping base plate comprises the following steps:
s1, pushing the vertical plate and the roller to a specified position, and then controlling the hydraulic rod to extend, so that the supporting frame lands on the ground, and the roller is emptied;
s2, controlling the reciprocating electric push rod to stretch and retract, enabling the knocking hammer to intermittently knock the vibration reduction base plate, and then controlling and adjusting the linear motor and the positive and negative motor to drive, so that the vibration reduction base plate is completely knocked, and whether hollowing exists or not is detected;
s3, after the hollowing detection is finished, starting a liquid pump to enable a water spraying head to spray water, and knowing the waterproof effect;
s4, after the waterproof detection is completed, the hydraulic rod is controlled to reset, then the roller is pushed to move, the sucker abuts against a vibration reduction base plate to be detected, then the hydraulic rod is controlled to extend again, the supporting frame is made to land, the roller is made to empty, then the electric telescopic rod is controlled to contract, the sucker tightly absorbs the vibration reduction base plate, then the whole body is pushed to be far away from the vibration reduction base plate, and the laying effect is detected.
The invention has the technical effects and advantages that:
the detection device for paving the outer wall heat-preservation polyethylene damping base plate benefits from the design of a detection combination, the matching of the sucker and the electric telescopic rod I can suck air in the sucker, the adsorption fixing effect between the sucker and the damping base plate is ensured, the whole body is pushed to move, the adsorption stabilizing effect is detected, the reciprocating electric push rod drives the knocking hammer to move in a reciprocating mode, the damping base plate is further knocked, a worker knows the condition of hollowing from knocking sound, the liquid pump assists the water spray head to spray water, and the worker knows the waterproof condition from the outside;
due to the design of the adjusting combination, the height of the auxiliary plate and the height of the detecting combination can be adjusted by the matching of the threaded pipe and the threaded rod under the driving of the positive and negative motors, so that different use requirements are met;
benefit from the design that supports the removal combination, the cooperation of gyro wheel and loading board two can assist whole to remove, the extension of hydraulic stem for the carriage lands, the gyro wheel soaks, guarantees holistic stability, and pressure spring's flexible can cushion the vibration that produces at the removal in-process to a certain extent, and the stability between loading board one and the loading board two can be guaranteed to the spacing of round bar.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a mounting plate of the present invention;
FIG. 3 is a schematic structural view of the support and movement assembly of the present invention;
FIG. 4 is a front view of a second carrier plate according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
fig. 6 is a cross-sectional view of the tool box of the present invention.
In the figure: 1. supporting and moving the combination; 2. adjusting the combination; 3. detecting the combination; 31. mounting a plate; 32. a piston tube; 33. a piston rod; 34. a first electric telescopic rod; 35. a reciprocating electric push rod; 36. knocking hammers; 37. a sprinkler head; 38. a liquid storage tank; 39. a liquid pump; 11. a first bearing plate; 12. a second bearing plate; 13. a roller; 14. a hydraulic lever; 15. a cross plate; 16. a support frame; 17. a hollow tube; 18. inserting a rod; 19. a pressure spring; 101. a round bar; 21. a linear motor; 22. assembling a plate; 23. a vertical plate; 24. a positive and negative motor; 25. a threaded rod; 26. a threaded pipe; 27. an auxiliary plate; 4. a tool box; 5. a cover is turned; 6. a partition plate.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In order to realize multiple detections, the detection device for laying the external wall thermal insulation polyethylene damping base plate shown in fig. 1-6 comprises a supporting and moving combination 1 and an adjusting combination 2 connected to the top end of the supporting and moving combination 1, wherein the adjusting combination 2 is connected with a detection combination 3; detect combination 3 and include mounting panel 31, piston tube 32 and the hammer 36 of knocking that have the sucking disc, piston tube 32 is connected fixedly with mounting panel 31, be provided with the piston rod 33 of adaptation in the piston tube 32, piston rod 33 is connected with an electric telescopic handle 34, electric telescopic handle 34 still is connected fixedly with mounting panel 31, the top of mounting panel 31 is connected with two reciprocal electric putter 35, reciprocal electric putter 35 is connected with strikes hammer 36, the side of mounting panel 31 still is connected with a plurality of sprinkler heads 37, the top of supporting removal combination 1 is connected with liquid reserve tank 38, the top of liquid reserve tank 38 is connected with drawing liquid pump 39, drawing liquid pump 39 is through connecting pipe and liquid reserve tank 38 intercommunication, drawing liquid pump 39 is through the water service pipe and a plurality of sprinkler heads 37 intercommunication that have the multi-way valve.
Referring to fig. 1, 3 and 4, in order to perform movement and buffering, and further adjust movement and support, the supporting and moving assembly 1 includes a first bearing plate 11, a second bearing plate 12, a roller 13 and a hydraulic rod 14, the first bearing plate 11 is disposed above the second bearing plate 12, the bottom end of the second bearing plate 12 is connected with a plurality of bearing rods, the bottom end of each bearing rod is connected with the roller 13 having braking capability, the bottom end of the central position of the second bearing plate 12 is connected with the hydraulic rod 14, the bottom end of the hydraulic rod 14 is connected with a cross plate 15, the periphery of the cross plate 15 is connected with a supporting frame 16, the bottom end of the supporting frame 16 is connected with an anti-slip mat, the top end of the supporting frame 16 is connected with a plurality of hollow tubes 17, the bottom end of the second bearing plate 12 is connected with a plurality of insertion rods 18 adapted to the hollow tubes 17, a plurality of pressure springs 19 arranged in a rectangular array are connected between the first bearing plate 11 and the second bearing plate 12, the bottom end of the first bearing plate 11 is connected with a plurality of round rods 101, the round rod 101 penetrates through the inner cavity of the pressure spring 19, and a plurality of movable channels matched with the round rod 101 are formed at the top end of the bearing plate II 12.
Referring to fig. 1 and 5, in order to adjust the height and position, the adjusting assembly 2 includes two linear motors 21 connected to the top end of the supporting and moving assembly 1, an assembly plate 22 connected to the top ends of the two linear motors 21, and a vertical plate 23 connected to the top end of the assembly plate 22, the top end of the assembly plate 22 is connected to a positive and negative motor 24, an output shaft of the positive and negative motor 24 is connected to a threaded rod 25 through a coupler, the outer circumference of the threaded rod 25 is connected to a threaded pipe 26, an auxiliary plate 27 in the shape of a C-shaped outer circumference of the threaded pipe 26, the side surface of the vertical plate 23 is connected to a slide rail, and the side surface of the auxiliary plate 27 is connected to a slide block slidably connected to the slide rail.
Referring to fig. 1 and 6, in order to place objects, a tool box 4 is further connected to the top end of the supporting and moving assembly 1, a flip cover 5 is rotatably connected to the top end of the tool box 4, and a partition plate 6 for partitioning a space is connected to the inner wall of the tool box 4.
A detection method of a detection device for laying of an external wall heat-insulation polyethylene vibration-damping base plate comprises the following steps:
s1, pushing the vertical plate 23 and the roller 13 to a specified position, and then controlling the hydraulic rod 14 to extend, so that the supporting frame 16 lands on the ground and the roller 13 empties;
s2, controlling the reciprocating electric push rod 35 to stretch and retract so that the knocking hammer 36 intermittently strikes the vibration reduction base plate, and then controlling the linear motor 21 and the positive and negative motor 24 of the adjusting combination 2 to drive so as to realize the comprehensive knocking of the vibration reduction base plate and detect whether hollowing exists;
s3, after the hollowing detection is finished, starting the liquid pump 39 to enable the water spraying head 37 to spray water, and knowing the waterproof effect;
s4, after the waterproof detection is completed, the hydraulic rod 14 is controlled to reset, then the roller 13 is pushed to move, the sucker abuts against a vibration reduction base plate to be detected, then the hydraulic rod 14 is controlled to extend again, the supporting frame 16 is made to land, the roller 13 is emptied, then the electric telescopic rod I34 is controlled to contract, the sucker is made to suck the vibration reduction base plate tightly, then the whole body is pushed to be far away from the vibration reduction base plate, and the laying effect is detected.
Finally, it should be noted that: the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention.
Claims (10)
1. The utility model provides a detection device is laid to outer wall insulation polyethylene damping backing plate, removes combination (1), connection including supporting, is supporting the regulation combination (2) on the top of removing combination (1), its characterized in that: the adjusting combination (2) is connected with a detecting combination (3);
detect combination (3) including mounting panel (31), piston tube (32) and the hammer (36) of strikeing of sucking disc, piston tube (32) are connected fixedly with mounting panel (31), be provided with piston rod (33) of adaptation in piston tube (32), piston rod (33) are connected with electric telescopic handle (34), and electric telescopic handle (34) still are connected fixedly with mounting panel (31), the top of mounting panel (31) is connected with two reciprocal electric putter (35), and reciprocal electric putter (35) are connected with and strike hammer (36), the side of mounting panel (31) still is connected with a plurality of sprinkler bead (37).
2. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 1, characterized in that: the top of supporting removal combination (1) is connected with liquid reserve tank (38), the top of liquid reserve tank (38) is connected with drawing liquid pump (39), and drawing liquid pump (39) are through connecting pipe and liquid reserve tank (38) intercommunication, and drawing liquid pump (39) are through the water service pipe that has the multi-ported valve and a plurality of sprinkler bead (37) intercommunication.
3. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 1, characterized in that: the supporting and moving combination (1) comprises a first bearing plate (11), a second bearing plate (12), rollers (13) and hydraulic rods (14), wherein the first bearing plate (11) is arranged above the second bearing plate (12), the bottom end of the second bearing plate (12) is connected with a plurality of bearing rods, and the bottom end of each bearing rod is connected with the roller (13) with braking capacity.
4. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 1, characterized in that: the bottom end of the central position of the second bearing plate (12) is connected with a hydraulic rod (14), the bottom end of the hydraulic rod (14) is connected with a cross plate (15), the periphery of the cross plate (15) is connected with a supporting frame (16), the top end of the supporting frame (16) is connected with a plurality of hollow tubes (17), and the bottom end of the second bearing plate (12) is connected with a plurality of inserting rods (18) matched with the hollow tubes (17).
5. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 1, characterized in that: the adjusting combination (2) comprises two linear motors (21) connected to the top end of the supporting and moving combination (1), an assembling plate (22) connected to the top ends of the two linear motors (21), and a vertical plate (23) connected to the top end of the assembling plate (22).
6. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 5, characterized in that: the assembling device is characterized in that the top end of the assembling plate (22) is connected with a positive and negative motor (24), an output shaft of the positive and negative motor (24) is connected with a threaded rod (25) through a coupler, the periphery of the threaded rod (25) is in threaded connection with a threaded pipe (26), the periphery of the threaded pipe (26) is in a C-shaped auxiliary plate (27), the side face of the vertical plate (23) is connected with a sliding rail, and the side face of the auxiliary plate (27) is connected with a sliding block in sliding connection with the sliding rail.
7. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 1, characterized in that: the top of supporting the movable combination (1) is also connected with a tool box (4), the top of the tool box (4) is rotatably connected with a turnover cover (5), and the inner wall of the tool box (4) is connected with a partition plate (6) for separating the space.
8. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 3, characterized in that: pressure spring (19) that a plurality of rectangle array arranged are connected with between loading board (11) and the loading board two (12), the bottom of loading board (11) is connected with a plurality of round bars (101), the inner chamber of pressure spring (19) is passed in round bar (101), a plurality of movable passageways with round bar (101) adaptation are seted up on the top of loading board two (12).
9. The exterior wall insulation polyethylene damping backing plate laying detection device according to claim 4, characterized in that: the bottom end of the supporting frame (16) is connected with a non-slip mat.
10. A detection method of a detection device for laying of exterior wall insulation polyethylene vibration damping backing plates is realized on the basis of the detection device for laying of exterior wall insulation polyethylene vibration damping backing plates in claims 1-9, and is characterized in that: the method comprises the following steps:
s1, pushing the vertical plate (23) and the roller (13) to a designated position, and then controlling the hydraulic rod (14) to extend, so that the supporting frame (16) lands on the ground and the roller (13) empties;
s2, controlling the reciprocating electric push rod (35) to stretch and retract so that the knocking hammer (36) intermittently strikes the vibration reduction base plate, and then controlling the linear motor (21) and the positive and negative motor (24) of the adjusting combination (2) to drive so as to realize the comprehensive knocking of the vibration reduction base plate and detect whether an empty drum exists;
s3, after the hollowing detection is finished, starting a liquid pump (39) to enable a water spraying head (37) to spray water, and knowing the waterproof effect;
s4, after the waterproof detection is completed, the hydraulic rod (14) is controlled to reset, then the roller (13) is pushed to move, the sucker abuts against a vibration reduction base plate to be detected, then the hydraulic rod (14) is controlled to extend again, the supporting frame (16) is made to land, the roller (13) is made to empty, then the electric telescopic rod I (34) is controlled to contract, the vibration reduction base plate is tightly sucked by the sucker, then the whole body is pushed to be far away from the vibration reduction base plate, and the laying effect is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636498.7A CN114324588A (en) | 2021-12-29 | 2021-12-29 | Detection device is laid to external wall insulation polyethylene damping backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636498.7A CN114324588A (en) | 2021-12-29 | 2021-12-29 | Detection device is laid to external wall insulation polyethylene damping backing plate |
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| Publication Number | Publication Date |
|---|---|
| CN114324588A true CN114324588A (en) | 2022-04-12 |
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ID=81016533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111636498.7A Pending CN114324588A (en) | 2021-12-29 | 2021-12-29 | Detection device is laid to external wall insulation polyethylene damping backing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114324588A (en) |
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| CN214845907U (en) * | 2021-01-28 | 2021-11-23 | 秦皇岛杰康视电子科技有限公司 | Auxiliary tool for assembling photoelectric module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206876679U (en) * | 2017-06-29 | 2018-01-12 | 陕西能净环保科技有限公司 | A kind of portable air quality detection device |
| CN207423707U (en) * | 2017-10-27 | 2018-05-29 | 江苏苏源杰瑞科技有限公司 | A kind of impact test apparatus of electric meter case physical examination survey |
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