Door and window three-property detection device for engineering construction

Abstract

The utility model discloses a door and window three-property detection device for engineering construction, which comprises a box body, a fan and a water pump, a plurality of pressing devices are arranged on the outer frame of the box body, a placing groove is arranged on the outer side of the bottom of the box body, one side part of the box body is connected with a pressure measuring meter through a pressure measuring pipeline, and each pressing device comprises an electric telescopic rod and a pressing arm. The pressing arm is arranged at the top end of a telescopic shaft of the electric telescopic rod, and a motor of the electric telescopic rod is controlled by the control switch. An air pipe assembly and a water flow pipe assembly are detachably arranged on the rear wall of the inner side of the box body, the air pipe assembly is communicated with an air pipe through an air hole, and the air pipe is connected with a fan; the water flow pipe assembly communicates with a water conveying pipeline through the water hole, and the water conveying pipeline is connected with a water pump. The pressing device is arranged on the outer frame of the box body, the box body and the door and window test piece are controlled to be pressed and sealed through the control switch on the side portion of the box body, the working efficiency is high, the sealing effect is good, the air pipe assembly is detachably arranged in the box body, and maintenance and use after the exhaust through hole and the water injection through hole are blocked are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window detection equipment, in particular to a three-property detection device for doors and windows used in engineering buildings. Background Art

[0002] The three properties of building doors and windows generally refer to the three properties of air tightness, water tightness, and wind pressure resistance, which are mandatory items in the inspection of building exterior doors and windows. GB / T7106-2008 "Classification and Testing Methods for Air Tightness, Water Tightness, and Wind Pressure Resistance of Building Exterior Doors and Windows" and JG / T211-2007 "On-site Testing Methods for Air Tightness, Water Tightness, and Wind Pressure Resistance of Building Exterior Windows" both have clear requirements for the three basic performance tests of doors and windows. The clamping device on the door and window detection device in the prior art is manually operated, with low work efficiency and poor sealing effect. The box body cannot meet the requirements of air tightness and wind pressure resistance. At the same time, the detection device in the prior art opens exhaust holes and water injection holes on the box body. After long-term use, the exhaust holes and water injection holes are blocked and difficult to dredge and clean, affecting the detection efficiency and detection accuracy. Utility Model Content

[0003] In view of the above problems, the technical problem to be solved by the utility model is to provide a three-property detection device for doors and windows for engineering buildings with high working efficiency and convenient maintenance.

[0004] In order to solve the above technical problems, the utility model shows a three-property detection device for doors and windows for engineering buildings, including a box body and a fan and a water pump arranged on the outside of the box body, a plurality of clamping devices are fixedly arranged on the outer frame of the box body, a placement groove is arranged on the outer side of the bottom of the box body through a fixing rod, a pressure measuring pipeline is connected to one side of the box body, and the outer end of the pressure measuring pipeline is connected to a pressure gauge, the clamping device includes an electric telescopic rod and a clamping arm, the clamping arm is fixedly arranged on the top of the telescopic shaft of the electric telescopic rod, and the motor of the electric telescopic rod is controlled by a control switch on the side of the box body; an air pipe assembly and a water flow pipe assembly are detachably arranged on the inner rear wall of the box body, the air pipe assembly is connected to the air duct by an air hole, and the air duct is connected to the fan; the water flow pipe assembly is connected to the water supply pipeline by a water hole, and the water supply pipeline is connected to the water pump.

[0005] Furthermore, the air duct is provided with an air flow meter for detecting the air flow.

[0006] Furthermore, a water flow meter for detecting water flow is provided on the water delivery pipeline.

[0007] Furthermore, an exhaust pipe is provided at the bottom of the box body, and a pressure relief valve is provided on the exhaust pipe to prevent pressure overload.

[0008] Furthermore, the air duct, water pipeline and pressure measuring pipeline are also provided with a reversing valve, a throttle valve and a needle valve respectively.

[0009] Furthermore, a horizontal plate is arranged on the inner side of the middle part of the box body, and a vertical plate is arranged between the inner side of the bottom of the box body and the horizontal plate.

[0010] Furthermore, the air pipe assembly and the water flow pipe assembly are composed of a plurality of metal pipes connected together.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. This application sets a clamping device on the outer frame of the box, and can control the box and the door and window test pieces to be pressed and sealed through the control switch on the side of the box, which is simple to operate, high in work efficiency and good in sealing effect.

[0013] 2. The present application provides a detachable air pipe assembly and a water flow pipe assembly in the box body and connects them to an external fan and a water pump through an air duct and a water pipe, so as to facilitate maintenance and use after the exhaust holes and the water injection holes are blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-property detection device for doors and windows used in engineering buildings of the utility model.

[0015] Figure 2 It is a schematic diagram of the air pipe assembly and the water flow pipe assembly of the utility model.

[0016] Figure 3 It is a schematic diagram of the clamping device of the utility model.

[0017] In the figure: 1, box body, 11, horizontal plate, 12, vertical plate, 13, clamping device, 131, electric telescopic rod, 132, clamping arm, 14, fixing rod, 15, placement groove, 16, air pipe assembly, 17, water flow pipe assembly, 18, control switch, 19, exhaust pipe, 191, pressure relief valve, 2, fan, 21, air duct, 22, reversing valve, 23, air flow meter, 3, water pump, 31, water flow meter, 32, throttle valve, 33, water pipeline, 34, pressure gauge, 35, needle valve, 36, pressure measuring pipeline. DETAILED DESCRIPTION

[0018] Combine the following Figure 1 , 2 3. Further explanation of the utility model.

[0019] Example:

[0020] like Figure 1 , 23 shows a three-property detection device for doors and windows for engineering buildings, comprising a box body 1 and a fan 2 and a water pump 3 arranged on the outside of the box body 1, a plurality of clamping devices 13 are fixedly arranged on the outer frame of the box body 1, a placement groove 15 is arranged on the outer side of the bottom of the box body 1 through a fixing rod 14, a pressure measuring pipeline 36 is connected to one side of the box body, and a pressure gauge 34 is connected to the outer end of the pressure measuring pipeline 36, the clamping device 13 comprises an electric telescopic rod 131 and a clamping arm 132, the clamping arm 132 is fixedly arranged on the top of the telescopic shaft of the electric telescopic rod 131, and the motor of the electric telescopic rod 131 is controlled by a control switch 18 on the side of the box body 1; an air pipe assembly 16 and a water flow pipe assembly 17 are detachably arranged on the inner rear wall of the box body 1, the air pipe assembly 16 is connected to the air duct 21 by setting an air hole, and the air duct 21 is connected to the fan 2; the water flow pipe assembly 17 is connected to the water delivery pipeline 33 by setting a water hole, and the water delivery pipeline 33 is connected to the water pump 3.

[0021] In order to accurately record the air flow, an air flow meter 23 for detecting the air flow is provided on the air duct 21 .

[0022] In order to accurately record the water flow rate, a water flow meter 31 for detecting the water flow rate is provided on the water delivery pipeline 33 .

[0023] In order to prevent damage to doors and windows and injury to operators, an exhaust pipe 19 is also provided at the bottom of the box body 1, and a pressure relief valve 191 is provided on the exhaust pipe 19 to prevent pressure overload.

[0024] In order to improve the detection accuracy of doors and windows, the air duct 21, the water pipeline 33 and the pressure measuring pipeline 36 are respectively provided with a reversing valve 22, a throttle valve 32 and a needle valve 35.

[0025] Preferably, a horizontal plate 11 is provided on the inner side of the middle portion of the box body 1 , and a vertical plate 12 is provided between the inner side of the bottom portion of the box body 1 and the horizontal plate 11 .

[0026] Preferably, the air pipe assembly 16 and the water flow pipe assembly 17 are composed of a plurality of metal pipes connected together.

[0027] The use process of the utility model is as follows:

[0028] Before use, connect the control switch 18, the fan 2 and the water pump 3 to an external power source, start the fan 2 to purge the air pipe assembly 16 and the box body 1 respectively, and shut down the fan 2 after the purge is complete.

[0029] When in use, all the openable parts of the door and window test piece are tightly sealed and placed in the placement groove 15, the telescopic axis of the electric telescopic rod 131 is controlled by the control switch 18 to contract, and the door and window test piece and the outer frame of the box body 1 are pressed and sealed by the clamping arm 132, and the throttle valve 32 on the water supply pipeline 33 and the needle valve 35 on the pressure measuring pipeline 36 are opened respectively to put the air flow meter 23 and the pressure gauge 34 into use.

[0030] When conducting air tightness test, start the fan 2, and pressurize the door and window specimen three times step by step (pressure difference 500Pa) through the air holes of the reversing valve 22, the air duct 21 and the air pipe assembly 16. After each pressure acts for 3 minutes, the pressure is gradually released to zero before applying the next pressure. The air flow and pressure are read and recorded through the air flow meter 23 on the air duct 21 and the pressure gauge 34 on the pressure measuring pipeline 36. The test results are compared with the GB / T7106-2008 standard to determine the air tightness level of the door and window specimen. When conducting water tightness test, start the fan 2 and the water pump 3 respectively, and sprinkle water evenly on the surface of the door and window specimen in all directions through the water holes of the water delivery pipeline 33 and the water flow pipe assembly 17. The water spraying amount is controlled at 2L / square meter. At the same time, pressurize the door and window specimen step by step (pressure difference 500Pa) through the air holes of the reversing valve 22, the air duct 21 and the air pipe assembly 16, and observe. The seepage locations and conditions of the door and window specimens are recorded, and the test results are compared with the GB / T7106-2008 standard to determine the watertightness level of the door and window specimens. When conducting wind pressure resistance testing, a displacement meter is installed on the tested part of the door and window specimen, and the fan 2 is started. The door and window specimen is subjected to positive pressure testing and then negative pressure testing (pressure difference 250Pa) through the air holes of the reversing valve 22, the air duct 21 and the air duct assembly 16. After each pressure acts for 10 seconds, the pressure is gradually released to zero before the next pressure is applied. The surface normal deflection value under each pressure level is recorded, and the deformation test pressure difference is calculated. The displacement meter is removed, and the tested doors and windows are repeatedly pressurized to observe and record whether the door and window specimens are damaged or difficult to open and close during the test and the corresponding pressure values. The test results are compared with the GB / T7106-2008 standard to determine the wind pressure resistance level of the door and window specimens.

[0031] During this process, if the air supply of the air duct 21 or the water supply of the water pipeline 33 is not smooth, the air pipe assembly 16 and the water flow pipe assembly 17 of the box body 1 can be removed from the inside of the box body 1 for external cleaning and maintenance to make the inside of the pipeline unobstructed. If the wind pressure resistance level of the door and window test pieces is low and they cannot bear the pressure, resulting in problems such as window sashes falling off or glass breaking, the exhaust and pressure relief can be carried out through the exhaust pipe 19 and the pressure relief valve 191 at the bottom of the box body 1, which can effectively prevent pressure overload during detection from damaging the doors and windows and injuring the operators.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although detailed description is given with reference to the embodiments, a person skilled in the art should understand that any modification or equivalent replacement of the technical solution of the utility model does not deviate from the spirit and scope of the technical solution of the utility model and should be included in the scope of the claims of the utility model.

Claims

1. A three-property detection device for doors and windows for engineering construction, comprising a box body (1) and a fan (2) and a water pump (3) arranged outside the box body (1), a plurality of clamping devices (13) are fixedly arranged on the outer frame of the box body (1), a placement groove (15) is arranged on the outer side of the bottom of the box body (1) through a fixing rod (14), a pressure measuring pipeline (36) is connected to one side of the box body, and a pressure gauge (34) is connected to the outer end of the pressure measuring pipeline (36), and the characteristics are: The clamping device (13) comprises an electric telescopic rod (131) and a clamping arm (132), wherein the clamping arm (132) is fixedly arranged at the top end of the telescopic shaft of the electric telescopic rod (131), and the motor of the electric telescopic rod (131) is controlled by a control switch (18) on the side of the box body (1); an air pipe assembly (16) and a water flow pipe assembly (17) are detachably arranged on the inner rear wall of the box body (1), wherein the air pipe assembly (16) is connected to the air pipe (21) by means of an air hole, and the air pipe (21) is connected to the fan (2); and the water flow pipe assembly (17) is connected to a water delivery pipeline (33) by means of a water hole, and the water delivery pipeline (33) is connected to the water pump (3).

2. A three-property detection device for doors and windows for construction according to claim 1, characterized in that: The air duct (21) is provided with an air flow meter (23) for detecting the air flow rate.

3. A three-property detection device for doors and windows for construction according to claim 1, characterized in that: The water delivery pipeline (33) is provided with a water flow meter (31) for detecting the water flow rate.

4. The three-property detection device for doors and windows for construction according to claim 1, characterized in that: An exhaust pipe (19) is also provided at the bottom of the box body (1), and a pressure relief valve (191) is provided on the exhaust pipe (19) to prevent pressure overload.

5. The three-property detection device for doors and windows for construction according to claim 1 is characterized in that: The air duct (21), the water delivery pipeline (33) and the pressure measuring pipeline (36) are also provided with a reversing valve (22), a throttle valve (32) and a needle valve (35) respectively.

6. The three-property detection device for doors and windows for construction according to claim 1, characterized in that: A horizontal plate (11) is arranged on the inner side of the middle part of the box body (1), and a vertical plate (12) is arranged between the inner side of the bottom of the box body (1) and the horizontal plate (11).

7. The three-property detection device for doors and windows for construction according to claim 1 is characterized in that: The air pipe assembly (16) and the water flow pipe assembly (17) are composed of a plurality of metal pipes connected together.

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