Rapid drying device for building wall material testing

By using a threaded rod and spring latch design, combined with a sealing plate, air pipe and humidity monitoring system, the problems of complex masonry and uneven drying in existing devices are solved, and rapid and uniform drying and testing of building materials are achieved.

CN223596452UActive Publication Date: 2025-11-25JIANGSU TESTING CENT FOR QUALITY OF CONSTR ENG
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Patent Information

Application Number
CN202520218571.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-11-25
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Existing testing devices for building wall materials are complex and time-consuming to construct, have low loading and dismantling efficiency, insufficient compaction effect, difficulty in simulating real-world usage environments, and low and uneven drying efficiency, which affects the authenticity of test results.

Method used

The system employs threaded rods and spring latches for rapid loading and compaction, a sealing plate and air pipe system for uniform drying, a humidity monitor and control module to adjust the drying process in real time, and an anti-adhesion mechanism to remove surface moisture and powder, ensuring uniform drying of the material.

Benefits of technology

It improves the efficiency of masonry and loading, achieves uniform drying of materials, avoids damage from over-drying, and enhances drying efficiency and testing accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick drying device for building wall material testing, and relates to the technical field of building wall material testing, the quick drying device comprises a mounting rack, the lower side of the mounting rack is fixedly connected with rollers, the upper side of the mounting rack is fixedly connected with a frame, the upper side of the frame is provided with an upper pressing strip, and the lower side of the frame is provided with a lower pressing strip. A spring hasp is fixedly connected to the outer wall of the frame, a threaded rod is rotationally connected to the outer wall of the frame through a bearing, a protrusion is arranged on the outer wall of the upper pressing strip, the outer wall of the threaded rod is in threaded connection with the inner wall of the protrusion of the upper pressing strip, and a drying mechanism is arranged on the right portion of the upper side of the mounting frame. By arranging the sealing plate and the air pipe, heating airflow can be evenly distributed on the surface of a material through an air groove exhausted from the left side of the exhaust box, and efficient blowing and drying are conducted on the wall surface; the device has the advantages of being high in practicability and capable of accelerating the drying process when the building wall materials are tested.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building wall material test technical field, concretely is a kind of building wall material test with quick drying device. BACKGROUND

[0002] In the performance test of building wall material, material needs to go through multiple processes, including masonry simulation, compaction treatment and drying test etc., to ensure its reliability in actual use. However, the existing test device often has the following problems:

[0003] The masonry process is complex and time-consuming, the material is difficult to load and disassemble quickly, the efficiency is low, and the compaction effect is insufficient, so it is difficult to accurately simulate the stress state under real use environment, which affects the authenticity of test results;

[0004] And in the drying process, the efficiency is low, the drying time is long and uneven, which can easily cause the material surface to be excessively dried or internal residual moisture, affecting the subsequent detection results;

[0005] The existing Chinese patent with publication number CN114353498B discloses a wall surface quick drying device for building decoration construction, which can dry according to the area of wall surface, but is not suitable for quick drying test of building materials with fixed area;

[0006] Therefore, it is necessary to design a building wall material test quick drying device that is practical and can accelerate the drying process of building wall materials during testing. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of building wall material test quick drying device to solve the problems raised in the above background art.

[0008] To solve the above technical problems, the utility model provides the following technical scheme: a kind of building wall material test quick drying device, including mounting bracket, the lower side of the mounting bracket is fixedly connected with gyro wheel, the upper side of the mounting bracket is fixedly connected with frame, the upper side of the frame is placed with upper pressing strip, the outer wall of the frame is fixedly connected with spring snap, and the outer wall of the frame is rotatably connected with threaded rod by bearing, the outer wall of the upper pressing strip is provided with protrusion, and the outer wall of the threaded rod is connected with the protrusion of upper pressing strip inner wall screw thread, the upper side right part of the mounting bracket is provided with drying mechanism, the upper side left part of the mounting bracket is provided with anti-overheating mechanism;

[0009] The drying mechanism can move left and right relative to the frame.

[0010] According to the technical scheme, the drying mechanism comprises a sealing plate, the lower side of the sealing plate is in sliding connection with the inner wall of the mounting frame, the lower part of the sealing plate is provided with an exhaust port, the right side of the sealing plate is fixedly connected with a hot air blower, the output end of the hot air blower is fixedly connected with an air pipe, the upper side of the sealing plate is rotatably connected with a winding rod through a bearing, the right side of the sealing plate is fixedly connected with a first motor, the output end of the first motor and the outer wall of the winding rod are fixedly connected with bevel gears, the outer wall of the winding rod and the output end of the first motor are in transmission connection through the two bevel gears, the outer wall of the winding rod is fixedly connected with a pull rope, the other end of the pull rope penetrates from the upper side of the sealing plate to the inside of the left side of the sealing plate, the end of the pull rope inside the left side of the sealing plate is fixedly connected with an exhaust box, the outer wall of the exhaust box is in sliding connection with the inner wall of the sealing plate, the end of the air pipe away from the hot air blower is fixedly connected with the upper side of the exhaust box, the left side of the exhaust box is provided with an exhaust groove, the inside of the exhaust groove is in communication with the output end of the hot air blower through the air pipe, the right side of the sealing plate is fixedly connected with a humidity monitor, the humidity monitor is located at the middle part of the exhaust port, and the left side of the sealing plate is provided with an anti-adhesion mechanism.

[0011] According to the technical scheme, the left side of the sealing plate is recessed to the right, and the recessed area of the left side of the sealing plate is greater than the area of the inside of the frame structure formed by the frame and the upper pressing strip.

[0012] According to the technical scheme, the anti-overheating mechanism comprises a cross rod, the two ends of the cross rod are fixedly connected with the outer wall of the mounting frame, the middle inner wall of the cross rod is fixedly connected with a second motor, the outer wall of the second motor is fixedly connected with a transmission wheel, the upper left part of the mounting frame is rotatably connected with a threaded column through a bearing, the right end of the threaded column penetrates the threaded column and the sealing plate in sequence, the outer wall of the threaded column is rotatably connected with the inner wall of the frame through a bearing, the outer wall of the threaded column is in threaded connection with the inner wall of the sealing plate, the outer wall of the left end of the threaded column and the outer wall of the transmission wheel are sleeved with a transmission chain, the outer wall of the transmission wheel and the outer wall of the threaded column are in transmission connection through the transmission wheel, and the upper side of the cross rod is provided with a control module.

[0013] According to the technical scheme, the second motor is in electrical connection with the control module, and the humidity monitor is in electrical connection with the control module, when the humidity monitor detects that the moisture of the airflow is lower than a preset threshold value, the second motor can be started through the control module, so that the second motor drives the threaded column to rotate through the transmission of the transmission wheel and the transmission chain, and drives the sealing plate to move away from the frame.

[0014] According to the technical scheme, the anti-adhesion mechanism comprises a tooth groove, the tooth groove is arranged on the front part of the left inner wall of the sealing plate and the rear part of the left inner wall of the sealing plate, the lower side of the exhaust box is fixedly connected with a fixed frame, the lower inner wall of the fixed frame is rotationally connected with a rotating rod through a bearing, the rotating rod extends to the inside of the tooth groove at both ends, the outer wall of the rotating rod is fixedly connected with a gear, and the outer wall of the rotating rod is fixedly connected with a brush.

[0015] According to the technical scheme, the inner wall of the tooth groove is provided with a protruding tooth structure, the outer wall of the gear is meshed with the tooth structure of the inner wall of the tooth groove, and the left side of the brush protrudes to the left relative to the outer wall of the sealing plate.

[0016] Compared with the prior art, the building material can be quickly operated during loading and compaction, the loading and masonry efficiency is improved, the stability of the building material after loading is ensured through the spring buckle, the material loosening or displacement is effectively prevented, the accurate adjustment of the up-down position is realized through the threaded connection between the upper pressing strip and the threaded rod, and the like.

[0017] The heating airflow can be uniformly distributed on the material surface through the air groove on the left side of the exhaust box, the wall surface is efficiently dried by blowing, the up-down traction of the exhaust box is realized through the winding rod and the pull rope, the uniform drying at different heights is realized, the effective circulation and full utilization of the airflow are ensured through the exhaust port and the hot air fan, and the drying efficiency is improved.

[0018] The humidity of the airflow is detected in real time and the drying process is controlled through the humidity monitor and the control module, the sealing plate is driven away from the frame when the humidity of the airflow reaches the preset value, the damage of the material caused by excessive drying is avoided, the material heat dissipation speed is improved through the separation of the sealing plate and the frame, and the material rapidly enters the detection stage after drying.

[0019] The rotating rod and the brush are synchronously rotated during the up-down movement of the exhaust box, the material surface is rotated and brushed, the water and the powdery adhesion are removed, and the material surface drying speed is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present application, constitute a part of the specification, are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0021] Figure 1 It is a left side structure schematic view of the present application;

[0022] Figure 2 It is a right side structure schematic view of the present application;

[0023] Figure 3 is a part structure schematic view of the utility model;

[0024] Figure 4 is a structure schematic view of the utility model anti-overheating mechanism;

[0025] Figure 5 is a structure schematic view of the utility model drying mechanism;

[0026] Figure 6 is a sealing plate section structure schematic view of the utility model;

[0027] In the drawing: 1, mounting frame; 2, roller; 3, frame; 4, upper pressing strip; 5, spring buckle; 6, threaded rod; 7, drying mechanism; 8, anti-overheating mechanism; 701, sealing plate; 702, exhaust port; 703, hot air machine; 704, air pipe; 705, winding rod; 706, first motor; 707, bevel gear; 708, pull rope; 709, exhaust box; 710, humidity monitor; 711, anti-adhesion mechanism; 101, tooth slot; 102, fixed frame; 103, rotating rod; 104, gear; 105, brush; 801, cross bar; 802, second motor; 803, transmission wheel; 804, threaded column; 805, transmission chain; 806, control module. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-6 The utility model provides technical scheme: a kind of rapid drying device for building wall material test, including mounting frame 1, the lower side of mounting frame 1 is fixedly connected with roller 2, the upper side of mounting frame 1 is fixedly connected with frame 3, and the upper side of frame 3 is placed with upper pressing strip 4, and the outer wall of frame 3 is fixedly connected with spring buckle 5, and the outer wall of frame 3 is rotatably connected with threaded rod 6 by bearing, and the outer wall of threaded rod 6 is connected in screw thread with the inner wall of protrusion on upper pressing strip 4, the upper side right part of mounting frame 1 is provided with drying mechanism 7, and the upper side left part of mounting frame 1 is provided with anti-overheating mechanism 8, and drying mechanism 7 can move in left and right directions relative to frame 3;

[0030] The drying mechanism 7 comprises a sealing plate 701, the lower side of the sealing plate 701 is in sliding connection with the inner wall of the mounting frame 1, the lower part of the sealing plate 701 is provided with an exhaust port 702, the right side of the sealing plate 701 is fixedly connected with a hot air machine 703, the output end of the hot air machine 703 is fixedly connected with an air pipe 704, the upper side of the sealing plate 701 is rotatably connected with a winding rod 705 through a bearing, the right side of the sealing plate 701 is fixedly connected with a first motor 706, the output end of the first motor 706 and the outer wall of the winding rod 705 are fixedly connected with bevel gears 707, the outer wall of the winding rod 705 and the output end of the first motor 706 are in transmission connection through the two bevel gears 707, the outer wall of the winding rod 705 is fixedly connected with a pull rope 708, the other end of the pull rope 708 penetrates from the upper side of the sealing plate 701 to the inside of the left side of the sealing plate 701, the end of the pull rope 708 located in the inside of the left side of the sealing plate 701 is fixedly connected with an exhaust box 709, the outer wall of the exhaust box 709 is in sliding connection with the inner wall of the sealing plate 701, one end of the air pipe 704 away from the hot air machine 703 is fixedly connected with the upper side of the exhaust box 709, and the left side of the exhaust box 709 is provided with an exhaust groove, the inside of the exhaust groove is in communication with the output end of the hot air machine 703 through the air pipe 704, the right side of the sealing plate 701 is fixedly connected with a humidity monitor 710, the humidity monitor 710 is located at the middle part of the exhaust port 702, the left side of the sealing plate 701 is provided with an anti-adhesion mechanism 711, the left side of the sealing plate 701 is recessed to the right, and the recessed area of the left side of the sealing plate 701 is greater than the area of the inside of the frame structure formed by the frame 3 and the upper pressing strip 4, and the length of the air pipe 704 is greater than the height of the mounting frame 1;

[0031] When the building wall material is tested, the spring buckle 5 is opened first, then the threaded rod 6 is rotated, so that the threaded rod 6 can push the upper pressing strip 4 to move upwards, and then the upper pressing strip 4 is separated from the frame 3, then the building material is laid in the inside of the frame 3, the thickened pressing plate is placed on the upper side of the building material, then the upper pressing strip 4 is placed back on the upper side of the frame 3, the threaded rod 6 is rotated to make the upper pressing strip 4 move downwards, and then the upper pressing strip 4 presses the thickened pressing plate downwards, so that the building material is compacted to simulate the real use environment, then the spring buckle 5 is locked, and the building material laying is completed;

[0032] When the building material is dried, the sealing plate 701 is moved to the left and is in contact with the right side of the frame 3, then the hot air machine 703 is started, so that the hot air machine 703 pumps hot air into the inside of the exhaust box 709 through the air pipe 704, the heated air flow is uniformly discharged through the left side air groove of the exhaust box 709, so that the wall surface is blown and wiped, at the same time, the first motor 706 is started, so that the first motor 706 drives the winding rod 705 to reciprocating rotate through the bevel gears 707, and then the winding rod 705 winds or loosens the pull rope 708, so that the pull rope 708 hoists and pulls the exhaust box 709, and then the exhaust box 709 moves up and down to uniformly dry the wall surface, and the heated air flow is discharged through the exhaust port 702, so that the wall surface material can be quickly and uniformly dried.

[0033] The anti-overheating mechanism 8 comprises a crossbar 801, both ends of the crossbar 801 are fixedly connected with the outer wall of the mounting frame 1, the middle inner wall of the crossbar 801 is fixedly connected with a second motor 802, the outer wall of the second motor 802 is fixedly connected with a transmission wheel 803, the upper left part of the mounting frame 1 is rotationally connected with a threaded column 804 through a bearing, the right end of the threaded column 804 successively penetrates the threaded column 804 and the sealing plate 701, the outer wall of the threaded column 804 is rotationally connected with the inner wall of the frame 3 through a bearing, the outer wall of the threaded column 804 is threadedly connected with the inner wall of the sealing plate 701, the outer wall of the left end of the threaded column 804 is sleeved with a transmission chain 805 with the outer wall of the transmission wheel 803, the outer wall of the transmission wheel 803 is drivingly connected with the outer wall of the threaded column 804 through the transmission wheel 803, the upper side of the crossbar 801 is provided with a control module 806, the second motor 802 is electrically connected with the control module 806, and the humidity monitor 710 is electrically connected with the control module 806, when the moisture in the airflow is lower than the preset threshold, the second motor 802 can be started through the control module 806, so that the second motor 802 drives the threaded column 804 to rotate through the transmission of the transmission wheel 803 and the transmission chain 805, and the sealing plate 701 is pushed away from the frame 3;

[0034] In the wall drying process, the airflow is always discharged from the exhaust port 702, and in this process, the humidity monitor 710 detects the moisture in the airflow in real time, when the moisture in the airflow is lower than the preset threshold, the control module 806 starts the second motor 802, so that the second motor 802 drives the transmission wheel 803 to rotate, and then drives the threaded column 804 to rotate through the traction of the transmission chain 805, since the outer wall of the threaded column 804 is threadedly connected with the inner wall of the sealing plate 701, and the sealing plate 701 is slidingly connected with the mounting frame 1 and cannot rotate, the sealing plate 701 will be pushed to move to the right, so that the outer wall of the sealing plate 701 is separated from the outer wall of the frame 3, and then the wall surface can be quickly cooled, so that it enters the detection process, avoiding damage caused by excessive drying of the wall surface;

[0035] The anti-adhesion mechanism 711 comprises a tooth groove 101, which is formed in the front part of the left inner wall of the sealing plate 701 and the rear part of the left inner wall of the sealing plate 701, the lower side of the exhaust box 709 is fixedly connected with a fixed frame 102, the lower inner wall of the fixed frame 102 is rotationally connected with a rotating rod 103 through a bearing, both ends of the rotating rod 103 extend to the inside of the tooth groove 101, the outer wall of the rotating rod 103 is fixedly connected with a gear 104, the outer wall of the middle part of the rotating rod 103 is fixedly connected with a brush 105, the inner wall of the tooth groove 101 is provided with a protruding tooth structure, and the outer wall of the gear 104 is engaged with the tooth structure of the inner wall of the tooth groove 101, the left side of the brush 105 protrudes to the left relative to the left side of the outer wall of the sealing plate 701;

[0036] During the up-down reciprocating movement of the exhaust box 709, the fixed frame 102 and the rotating rod 103 are synchronously moved up and down, since the outer wall of the rotating rod 103 is fixedly connected with the gear 104, and the outer wall of the gear 104 is engaged with the inner wall of the gear slot 101, the rotating rod 103 can synchronously reciprocate during the up-down movement of the exhaust box 709, the rotation of the rotating rod 103 drives the brush 105 to rotate, the outer wall of the brush 105 protrudes to the left relative to the outer wall of the gear slot 101, so the outer wall of the brush 105 contacts the wall surface, and the brush 105 can push away the water or the powdery detached matter adhered to the wall surface during the rotation, so that the wall surface can be dried by the air flow more quickly.

[0037] Since the bristles on the surface of the brush 105 are elastic, the bristles rebound in the instant of separation after contacting the wall surface, so that the water on the surface of the brush 105 is thrown to the inner wall of the sealing plate 701, the water condensed on the inner wall of the sealing plate 701 can flow down more easily, so that the heat loss caused by the heat conduction of the water on the inner wall of the sealing plate 701 is reduced, and the dust brushed off from the wall surface can absorb the water in the air flow, reduce the environmental moisture, and accelerate the drying speed.

[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rapid drying device for testing building wall materials, comprising a mounting frame (1), characterized in that: The lower side of the mounting frame (1) is fixedly connected with a roller (2), the upper side of the mounting frame (1) is fixedly connected with a frame (3), the upper side of the frame (3) is placed with an upper pressing strip (4), the outer wall of the frame (3) is fixedly connected with a spring buckle (5), and the outer wall of the frame (3) is rotatably connected with a threaded rod (6) through a bearing, the outer wall of the upper pressing strip (4) is provided with a protrusion, and the outer wall of the threaded rod (6) is threadedly connected with the inner wall of the protrusion on the upper pressing strip (4), the upper right side of the mounting frame (1) is provided with a drying mechanism (7), and the upper left side of the mounting frame (1) is provided with an anti-overheating mechanism (8). The drying mechanism (7) can move left and right relative to the frame (3).

2. A rapid drying device for testing building wall materials according to claim 1, characterized in that: The drying mechanism (7) comprises a sealing plate (701), the lower side of the sealing plate (701) is slidably connected with the inner wall of the mounting frame (1), the lower part of the sealing plate (701) is provided with an exhaust port (702), the right side of the sealing plate (701) is fixedly connected with a hot air blower (703), the output end of the hot air blower (703) is fixedly connected with an air pipe (704), the upper side of the sealing plate (701) is rotatably connected with a winding rod (705) through a bearing, the right side of the sealing plate (701) is fixedly connected with a first motor (706), the output end of the first motor (706) and the outer wall of the winding rod (705) are both fixedly connected with bevel gears (707), the outer wall of the winding rod (705) and the output end of the first motor (706) are drivingly connected through two bevel gears (707), the outer wall of the winding rod (705) is fixedly connected with a pull rope (708), the other end of the pull rope (708) penetrates from the upper side of the sealing plate (701) to the left side inside the sealing plate (701), one end of the pull rope (708) inside the left side of the sealing plate (701) is fixedly connected with an exhaust box (709), the outer wall of the exhaust box (709) is slidably connected with the inner wall of the sealing plate (701), one end of the air pipe (704) away from the hot air blower (703) is fixedly connected with the upper side of the exhaust box (709), and an exhaust groove is formed in the left side of the exhaust box (709), the inside of the exhaust groove is in communication with the output end of the hot air blower (703) through the air pipe (704), the right side of the sealing plate (701) is fixedly connected with a humidity monitor (710), the humidity monitor (710) is located at the middle part of the exhaust port (702), and the left side of the sealing plate (701) is provided with an anti-adhesion mechanism (711).

3. A rapid drying device for testing building wall materials according to claim 2, characterized in that: The left side of the sealing plate (701) is recessed to the right, the recessed area of the left side of the sealing plate (701) is larger than the area of the frame structure formed by the frame (3) and the upper pressing strip (4), and the length of the air pipe (704) is greater than the height of the mounting frame (1).

4. A rapid drying device for testing building wall materials according to claim 3, characterized in that: The anti-overheating mechanism (8) comprises a crossbar (801), both ends of the crossbar (801) are fixedly connected with the outer wall of the mounting frame (1), the middle inner wall of the crossbar (801) is fixedly connected with a second motor (802), the outer wall of the second motor (802) is fixedly connected with a transmission wheel (803), the upper left part of the mounting frame (1) is rotatably connected with a threaded column (804) through a bearing, the right end of the threaded column (804) penetrates the threaded column (804) and the sealing plate (701) in sequence, the outer wall of the threaded column (804) is rotatably connected with the inner wall of the frame (3) through a bearing, the outer wall of the threaded column (804) is threadedly connected with the inner wall of the sealing plate (701), the outer wall of the left end of the threaded column (804) and the outer wall of the transmission wheel (803) are sleeved with a transmission chain (805), the outer wall of the transmission wheel (803) and the outer wall of the threaded column (804) are drivingly connected through the transmission wheel (803), and the upper side of the crossbar (801) is provided with a control module (806).

5. A rapid drying device for testing building wall materials according to claim 4, characterized in that: The second motor (802) is electrically connected with the control module (806), and the humidity monitor (710) is electrically connected with the control module (806), when the humidity monitor (710) detects that the moisture of the airflow is lower than the preset threshold value, the second motor (802) can be started through the control module (806), so that the second motor (802) drives the threaded column (804) to rotate through the transmission belt of the transmission wheel (803) and the transmission chain (805) and pushes the sealing plate (701) away from the frame (3).

6. A rapid drying device for testing building wall materials according to claim 5, characterized in that: The anti-adhesion mechanism (711) comprises a tooth groove (101), the tooth groove (101) is formed in the front part of the left side inner wall of the sealing plate (701) and the rear part of the left side inner wall of the sealing plate (701), the lower side of the exhaust box (709) is fixedly connected with a fixed frame (102), the lower inner wall of the fixed frame (102) is rotatably connected with a rotating rod (103) through a bearing, both ends of the rotating rod (103) extend to the inside of the tooth groove (101), the outer wall of the rotating rod (103) is fixedly connected with a gear (104), and the outer wall of the rotating rod (103) is fixedly connected with a brush (105).

7. A rapid drying device for testing building wall materials according to claim 6, characterized in that: The inner wall of the tooth groove (101) is provided with a protruding tooth structure, the outer wall of the gear (104) is engaged with the tooth structure of the inner wall of the tooth groove (101), and the left side of the brush (105) protrudes to the left relative to the left side of the outer wall of the sealing plate (701).

Citation Information

Patent Citations

  • A rapid wall drying device for building decoration construction

    CN114353498B