Airtight door test device

Abstract

The utility model belongs to the technical field of air-tight doors, and particularly relates to an air-tight door testing device which comprises a testing door frame tool, an air-tight door body, an inflation rubber strip, a door body hinging piece, a main control testing stand and an air-tight door opening and closing testing system. The air-tight door opening and closing test system comprises a driving device for driving an air-tight door body to be opened and closed in a reciprocating mode, the driving device is provided with a pull pressure sensor used for feeding back pull pressure in the test process, and a door body hinge piece of the air-tight door body is provided with an angle sensor used for feeding back the opening and closing angle of the air-tight door body in the test process. The air-tight door opening and closing simulation test device can carry out an air-tight door opening and closing simulation test so as to detect the durability of parts such as a door body hinging piece and a shaft sleeve and detect the abrasion and deformation conditions of the door body hinging piece and the shaft sleeve in the life cycle, analysis is carried out according to test data, and the test efficiency is improved. And the structural design of the airtight door is optimized, so that the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to airtight door technical field, especially related to airtight door testing device. BACKGROUND

[0002] Airtight door is the key equipment in the laboratory and the important component of the laboratory enclosure structure, is used for personnel to go in and out, simultaneously ensures the isolation of clean area and pollution area and guarantees the air tightness of laboratory, prevents the pollutant from leaking. The air tightness of airtight door greatly influences the safety of the whole laboratory core area.

[0003] At present, airtight door test generally only carries out some simple air tightness test, and these simple air tightness test is difficult to test the performance of airtight door comprehensively, and the durability of door body hinge and shaft sleeve and the adaptability with door body structure are very important, and they all play a very important role to the safety of airtight door.

[0004] There is no suitable test device in the prior art, so it needs to be solved urgently. INVENTION CONTENTS

[0005] The utility model provides a kind of airtight door testing device, can solve the problem indicated in background art.

[0006] Airtight door testing device, including test door frame tooling, airtight door body, inflatable rubber strip, door body hinge, main control test bench and airtight door switch test system;

[0007] The airtight door switch test system includes a driving device for reciprocating opening and closing the airtight door body, a tensile and compressive force sensor is provided on the driving device to feedback the tensile and compressive force during the test process, an angle sensor is provided on the door body hinge of the airtight door body to feedback the opening and closing angle of the airtight door body during the test process, and the tensile and compressive force sensor and the angle sensor are electrically connected to the main control test bench.

[0008] Preferably, the driving device includes a stabilizing bracket, a cylinder and a door body connecting piece, a door body connecting piece is provided on the movable end of the cylinder to be detachably connected with the airtight door body, the other end is hingedly connected to the stabilizing bracket, and the tensile and compressive force sensor is provided on the piston rod of the cylinder.

[0009] Preferably, the door body connecting piece is a door handle connecting piece.

[0010] Preferably, the door handle connecting piece is a detachable pipe clamp.

[0011] Preferably, the stabilizing bracket includes a base and a stand, a linear slide is provided on the stand, and the other end of the cylinder is hingedly connected to the slide seat of the linear slide.

[0012] Preferably, the base is provided with several casters.

[0013] Beneficial effects: This utility model provides an airtight door testing device that can conduct simulated opening and closing tests of airtight doors, i.e., durability fatigue tests, to detect the durability of door hinges, bushings and other components, and to examine the wear and deformation of door hinges, bushings and other components during their life cycle. Based on the test data, the device can be analyzed and the structural design of the airtight door can be optimized to improve product quality. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the structure of this utility model.

[0015] Fig. 2 This is a partial structural schematic diagram of the present invention.

[0016] Explanation of reference numerals in the attached figures:

[0017] Numbered in the diagram: 1. Test door frame fixture; 2. Airtight door body; 3. Inflatable rubber strip; 4. Door body hinge; 5. Main control test bench; 61. Tension and compression sensor; 62. Angle sensor; 63. Stabilizing bracket; 631. Base; 632. Stand; 64. Cylinder; 65. Door body connector; 66. Linear slide; 661. Slide seat; 67. Fountain wheel. Detailed Implementation

[0018] The following describes a specific embodiment of the present invention in detail with reference to the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.

[0019] Example 1: As Figs. 1-2 As shown, an airtight door testing device includes a test door frame fixture 1, an airtight door body 2, an inflatable rubber strip 3, a door body hinge 4, a main control test bench 5, and an airtight door opening and closing test system; the airtight door body 2 is sealed to the test door frame fixture 11 on all four sides by an inflatable rubber strip 13, and the airtight door body 2 is hinged to the test door frame fixture 11 by a hinge 14 so that it can simulate opening and closing;

[0020] The airtight door opening and closing test system includes a drive device that drives the airtight door body 2 to reciprocate. The drive device is equipped with a tension / compression sensor 61 for feedback of tension / compression during the test. The door hinge 4 of the airtight door body 2 is equipped with an angle sensor 62 for feedback of the opening and closing angle of the airtight door body 2 during the test. Both the tension / compression sensor 61 and the angle sensor 62 are electrically connected to the main control test bench 5. The main control test bench 5 is used to control the test system, receive signals, process them, and display them.

[0021] Specifically, the driving device comprises a stabilizing support 63, a cylinder 64, and a door body connecting piece 65. The cylinder 64 has the door body connecting piece 65 movably arranged on an active end thereof to be detachably connected with the air-tight door body 2. The other end of the cylinder 64 is hingedly connected with the stabilizing support 63. A tension and pressure sensor 61 is arranged on a piston rod of the cylinder 64. The door body connecting piece 65 is a door handle connecting piece, which can be a detachable pipe clamp or a clamp structure.

[0022] In some embodiments, the stabilizing support 63 comprises a base 631 and a stand 632. A linear slide 66 is arranged on the stand 632. The other end of the cylinder 64 is hingedly connected with a slide base 661 of the linear slide 66. The height of the cylinder 64 can be adjusted by the linear slide 66 to match door handles of different heights.

[0023] In some embodiments, a plurality of Forma wheels 67 are arranged below the base 631 to facilitate movement. The Forma wheels 67 have high stability when locked and are not easily moved.

[0024] The test device mainly performs more than 10,000 opening and closing tests on the air-tight door body 2 to detect the durability of the door body hinging piece 4, the shaft sleeve, and other components, and to test the wear and deformation of the door body hinging piece 4, the shaft sleeve, and other components within the life cycle. Based on the test data, the structure of the air-tight door is analyzed and optimized.

[0025] It comprises the following processes:

[0026] 1. Connect the driving device with the air-tight door body 2;

[0027] 2. Set the opening and closing times of the air-tight door body 2 through the main control test bench 5, and perform test control of the opening and closing test system through the main control test bench 5;

[0028] 3. The main control test bench 5 collects the opening and closing angles and the tension and pressure data fed back by the angle sensor 62 and the tension and pressure sensor 61 in real time, and displays the running in real time through the display screen;

[0029] 4. The main control test bench 5 draws the time-opening and closing angle and time-tension and pressure relationship curves, respectively;

[0030] 5. The main control test bench 5 monitors and displays the test times and test curves in real time, and automatically stops the test when the set range is exceeded.

Claims

1. An air tight door testing apparatus, characterized by: The application relates to airtight door opening and closing test system and a test device thereof. The airtight door opening and closing test system comprises a driving device for driving the airtight door body (2) to reciprocally open and close, a tensile and compressive force sensor (61) arranged on the driving device and used for feeding back tensile and compressive force in the test process, an angle sensor (62) arranged on the door body hinge (4) of the airtight door body (2) and used for feeding back the opening and closing angle of the airtight door body (2) in the test process, and the tensile and compressive force sensor (61) and the angle sensor (62) are electrically connected with the main control test table (5).

2. Airtight door testing device according to claim 1, characterized in that The driving device comprises a stabilizing support (63), a cylinder (64) and a door body connecting piece (65), the cylinder (64) is movably arranged with the door body connecting piece (65) on the movable end of the cylinder (64) to be detachably connected with the airtight door body (2), the other end of the cylinder (64) is hingedly connected with the stabilizing support (63), and the piston rod of the cylinder (64) is arranged with the tensile and compressive force sensor (61).

3. Airtight door testing device according to claim 2, characterized in that The door body connecting piece (65) is a door handle connecting piece.

4. Airtight door testing device according to claim 3, characterized in that The door handle connecting piece is a detachable pipe clamp.

5. Airtight door testing device according to claim 4, characterized in that The stabilizing support (63) comprises a base (631) and a vertical support (632), a linear sliding table (66) is arranged on the vertical support (632), and the other end of the cylinder (64) is hingedly connected with the sliding seat (661) of the linear sliding table (66).

6. A tight door testing device according to claim 5, characterized in that: A plurality of Forma wheels (67) are arranged below the base (631).

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