Device for testing opening and closing reliability of fireproof door

Abstract

The utility model relates to a fireproof door opening and closing reliability testing device in the field of testing devices, which comprises a supporting base, a fixed frame and two movable frames, the fixed frame is arranged at the upper end of the supporting base, the two movable frames are both movably connected with the fixed frame, and the movable frames are provided with opening and closing assemblies and pneumatic clamps. Two groups of linear guide rails in bilateral symmetry are arranged on the fixed frame, the two groups of linear guide rails are respectively connected with the two movable frames, the two ends of the movable frames are arranged on a moving platform of the linear guide rails, the two movable frames move in the fixed frame in parallel through the linear guide rails, and a positioning plate is arranged at the lower end of the fixed frame; the positioning plate is located between the two movable frames, a telescopic air cylinder is arranged at the upper end of the supporting base, a clamping block is arranged on a telescopic rod of the telescopic air cylinder, the clamping block can get close to or get away from the positioning plate through the telescopic air cylinder, the fireproof door fixing device can adapt to fireproof doors of different sizes, use is more convenient, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the field of testing devices, in particular to a fire door opening and closing reliability testing device. Background Art

[0002] Fire doors are defined as fire doors that have passed the fire resistance test of the new national standard GB_12955-2008 for fire doors implemented on January 1, 2009 and have obtained the verification registration certificate and authorization mark issued by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs. Fire doors are defined as "any combination of fire-resistant door leaves, door frames, hardware and other accessories that can jointly provide a certain degree of fire protection for the opening." In order to ensure the quality of fire doors, the reliability of fire doors will be tested after production.

[0003] The existing fire door opening and closing reliability test device can usually only test fire doors of a few fixed sizes. The device has great limitations and is not convenient to use. In order to test different fire doors, it is only possible to make installation frames of different sizes. Utility Model Content

[0004] In order to overcome the deficiencies of the existing technical solutions, the utility model provides a fire door opening and closing reliability testing device, which can effectively solve the technical problem of being unable to adapt to fire doors of different sizes.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A fire door opening and closing reliability testing device comprises a supporting base, a fixed frame and two movable frames, wherein the fixed frame is arranged at the upper end of the supporting base, the two movable frames are movably connected to the fixed frame, an opening and closing assembly and a pneumatic clamp are arranged on the movable frame, the fixed frame is provided with two groups of left-right symmetrical linear guide rails, the two groups of linear guide rails are respectively connected to the two movable frames, both ends of the movable frame are installed on the moving platform of the linear guide rails, the two movable frames move parallel to each other in the fixed frame through the linear guide rails, a positioning plate is arranged at the lower end of the fixed frame, the positioning plate is located between the two movable frames, a telescopic cylinder is arranged at the upper end of the supporting base, a clamping block is arranged on the telescopic rod of the telescopic cylinder, and the clamping block can be close to or away from the positioning plate through the telescopic cylinder.

[0007] Furthermore, a slide groove is provided on the movable frame, and the opening and closing component is connected to the slide groove through a slider, and the opening and closing component can adjust the position on the movable frame through the slider and the slide groove.

[0008] Furthermore, the slider is provided with a fastening bolt for fixing the position of the slider, and the fastening bolt is provided with a nut for easy tightening.

[0009] Furthermore, a plurality of pneumatic clamps are provided, and the plurality of pneumatic clamps are arranged at equal intervals on opposite surfaces of the two movable frames.

[0010] Furthermore, the positioning plate is provided with a slot for inserting the door frame, the slot is provided with an electromagnet for adsorbing the door frame, the cross section of the clamping block is semicircular, and the clamping block is made of rubber.

[0011] Furthermore, a reinforcement arm is provided at one end of the fixing frame away from the opening and closing assembly, and the reinforcement arm is provided at four corners of the fixing frame.

[0012] Furthermore, guide rods are provided on both sides of the clamping block, and the fixing frame is provided with a guide sleeve. One end of the guide rod is fixedly connected to the clamping block, and the other end passes through the guide sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are: a movable frame is provided, which is connected to the fixed frame by a linear guide rail, and by adjusting the distance between the two movable frames, it can adapt to fire doors of different widths. After the fire door is placed on the positioning plate, the telescopic cylinder presses the clamping block against the upper end of the fire door, so that the fire door is clamped by the clamping block and the positioning plate. The two movable frames slowly approach the fire door through the linear guide rail, and clamp the two sides of the fire door through the pneumatic clamp, which can adapt to fire doors of different sizes, is more convenient to use, and has a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the fire door opening and closing reliability testing device of the utility model;

[0015] Figure 2 It is a cross-sectional view of a positioning plate in the fire door opening and closing reliability testing device of the utility model;

[0016] Numbers in the figure: 1-support base, 2-fixed frame, 3-movable frame, 4-opening and closing assembly, 5-pneumatic clamp, 6-linear guide, 7-positioning plate, 8-telescopic cylinder, 9-clamping block, 10-slide, 11-slider, 12-fastening bolt, 13-slot, 14-electromagnet, 15-reinforcement arm, 16-guide rod, 17-guide sleeve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Combine the following Figure 1-Figure 2The fire door opening and closing reliability testing device of the utility model is described in detail:

[0019] The fire door opening and closing reliability test device comprises a support base 1, a fixed frame 2 and two movable frames 3, wherein the fixed frame 2 is arranged at the upper end of the support base 1, and the two movable frames 3 are movably connected with the fixed frame 2, and an opening and closing component 4 and a pneumatic clamp 5 are arranged on the movable frame 3, and the pneumatic clamp 5 is provided with a plurality of pneumatic clamps 5, and the plurality of pneumatic clamps 5 are arranged at equal intervals on the opposite sides of the two movable frames 3, and a slide groove 10 is arranged on the movable frame 3, and the opening and closing component 4 is connected with the slide groove 10 through a slider 11, and the opening and closing component The position of the movable frame 3 can be adjusted by the slider 11 and the slide groove 10. The slider 11 is provided with a fastening bolt 12 for fixing the position of the slider 11. The fastening bolt 12 is provided with a nut for easy tightening. The opening and closing assembly 4 can be slid up and down by loosening the fastening bolt 12. After adjusting to a suitable position, the fastening bolt 12 can be tightened to fix the position of the opening and closing assembly 4. The end of the fixing frame 2 away from the opening and closing assembly 4 is provided with a reinforcing arm 15. The reinforcing arm 15 is provided at the four corners of the fixing frame 2.

[0020] The fixed frame 2 is provided with two groups of left-right symmetrical linear guides 6, which are respectively connected to the two movable frames 3. Both ends of the movable frames 3 are installed on the moving platforms of the linear guides 6. The two movable frames 3 move parallel to each other in the fixed frame 2 through the linear guides 6. The lower end of the fixed frame 2 is provided with a positioning plate 7, and the positioning plate 7 is located between the two movable frames 3. The upper end of the supporting base 1 is provided with a telescopic cylinder 8, and a clamping block 9 is provided on the telescopic rod of the telescopic cylinder 8. The clamping block 9 can be close to or away from the positioning plate 7 through the telescopic cylinder 8. The positioning plate 7 is provided with a card slot 13 for inserting into the door frame, and the card slot 13 is provided with an electromagnet 14 for adsorbing the door frame. The cross-section of the clamping block 9 is semicircular, and the clamping block 9 is made of rubber. Guide rods 16 are provided on both sides of the clamping block 9, and the fixed frame 2 is provided with a guide sleeve 17. One end of the guide rod 16 is fixedly connected to the clamping block 9, and the other end passes through the guide sleeve 17.

[0021] The fire door opening and closing reliability testing device of the present embodiment is provided with a movable frame 3, which is connected to the fixed frame 2 through a linear guide rail 6. By adjusting the distance between the two movable frames 3, it can adapt to fire doors of different widths. After the fire door is placed on the positioning plate 7, the telescopic cylinder 8 presses the clamping block 9 against the upper end of the fire door, so that the fire door is clamped by the clamping block 9 and the positioning plate 7. The two movable frames 3 slowly approach the fire door through the linear guide rail 6 and clamp the two sides of the fire door through the pneumatic clamp 5. It can adapt to fire doors of different sizes, is more convenient to use, and has a wider range of applications.

[0022] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A fire door opening and closing reliability test device, comprising a support base, a fixed frame and two movable frames, wherein the fixed frame is arranged at the upper end of the support base, the two movable frames are movably connected to the fixed frame, and an opening and closing assembly and a pneumatic clamp are arranged on the movable frame, characterized in that: The fixed frame is provided with two groups of left-right symmetrical linear guide rails, the two groups of linear guide rails are respectively connected to the two movable frames, both ends of the movable frame are installed on the moving platforms of the linear guide rails, the two movable frames move parallel to the fixed frame through the linear guide rails, a positioning plate is provided at the lower end of the fixed frame, the positioning plate is located between the two movable frames, a telescopic cylinder is provided at the upper end of the support base, a clamping block is provided on the telescopic rod of the telescopic cylinder, and the clamping block can be close to or away from the positioning plate through the telescopic cylinder.

2. The fire door opening and closing reliability testing device according to claim 1 is characterized in that: The movable frame is provided with a slide groove, the opening and closing component is connected to the slide groove through a slider, and the opening and closing component can adjust the position on the movable frame through the slider and the slide groove.

3. The fire door opening and closing reliability testing device according to claim 2 is characterized in that: The slide block is provided with a fastening bolt for fixing the position of the slide block, and the fastening bolt is provided with a nut for easy tightening.

4. The fire door opening and closing reliability testing device according to claim 1 is characterized in that: There are a plurality of pneumatic clamps, which are arranged at equal intervals on the opposite sides of the two movable frames.

5. The fire door opening and closing reliability testing device according to any one of claims 1 to 4, characterized in that: The positioning plate is provided with a slot for inserting the door frame, and an electromagnet for adsorbing the door frame is provided in the slot. The cross section of the clamping block is semicircular, and the clamping block is made of rubber.

6. The fire door opening and closing reliability testing device according to any one of claims 1 to 4, characterized in that: A reinforcement arm is arranged at one end of the fixing frame away from the opening and closing component, and the reinforcement arm is arranged at the four corners of the fixing frame.

7. The fire door opening and closing reliability testing device according to any one of claims 1 to 4, characterized in that: Guide rods are arranged on both sides of the clamping block, and a guide sleeve is arranged on the fixing frame. One end of the guide rod is fixedly connected with the clamping block, and the other end passes through the guide sleeve.

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