CN217211455U

CN217211455U - Reliability detection device for fireproof door

Info

Publication number: CN217211455U
Application number: CN202221182777.0U
Authority: CN
Inventors: 彭廷; 方浩杰; 程洋
Original assignee: Anhui Huarui Testing Technology Co ltd
Current assignee: Anhui Huarui Testing Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-16
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a reliability detection device for a fireproof door, which comprises a bottom plate and a fixed frame, wherein the fixed frame is fixedly connected on the surface of the bottom plate, a guide rod is fixedly connected between the fixed frame and the bottom plate, a lifting plate is connected on the guide rod in a sliding way, a hydraulic cylinder is fixedly connected at the top of the fixed frame, the output end of the hydraulic cylinder is fixedly connected with the lifting plate, the surface of the lifting plate is provided with a detection mechanism for detecting the strength of the fireproof door, the detection mechanism comprises a mounting plate, a rotating shaft, a pressing block, a positioning seat, an inserting rod, a mounting frame, a spring and a driving component, the mounting plate is fixedly connected on the surface of the mounting plate, the rotating shaft is rotatably connected on the mounting plate, when the strength of the fireproof door is detected, the structural strength of the fireproof door under different pressures can be detected by the arranged detection mechanism, the tested data are ensured to be more fine.

Description

Reliability detection device for fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, specifically a prevent fire door reliability detection device.

Background

The fireproof door has the function of blocking a fire source, for example, a fireproof door is required to be arranged in public places such as supermarkets, markets, gymnasiums and the like, and the fireproof door is different from a common door in that the outer wall of the door is coated with a fireproof material, and the interior of the door is filled with a heat insulation layer.

When intensity detection is carried out on the fireproof door, a pressure test block with a certain size is adopted to apply certain pressure to the fireproof door, a certain time is kept, deformation of the fireproof door is observed, and finally the size of a pressure value is observed through a pressure sensor and the like.

Present prevent fire door reliability detection device when using, adopts the not briquetting of equidimension to detect preventing fire door to can change the size of pressure, and then reach the not structural strength who prevents fire door under the not equidimension of pressure, but when the not briquetting of conversion equidimension, the pressure testing piece exists to fix and is stable inadequately, thereby when detecting, appears the pressure testing piece and prevents that fire door is laminated inadequately, influences testing process.

SUMMERY OF THE UTILITY MODEL

To the technical problem that present fire door detection device exists in using, the utility model provides a prevent fire door reliability detection device.

A device for detecting the reliability of a fireproof door comprises a bottom plate and a fixed frame, wherein the fixed frame is fixedly connected to the surface of the bottom plate, a guide rod is fixedly connected between the fixed frame and the bottom plate, a lifting plate is connected to the guide rod in a sliding manner, a hydraulic cylinder is fixedly connected to the top of the fixed frame, the output end of the hydraulic cylinder is fixedly connected with the lifting plate, a detection mechanism for detecting the strength of the fireproof door is arranged on the surface of the lifting plate, the detection mechanism comprises a mounting plate, a rotating shaft, a pressing block, a positioning seat, an insertion rod, a mounting frame, a spring and a driving assembly, the mounting frame is fixedly connected to the surface of the mounting plate, the mounting plate is fixedly connected to the surface of the lifting plate, the rotating shaft is rotatably connected to the mounting plate, the insertion rod is fixedly connected to the end of the rotating shaft, the positioning seat is slidably connected to the inside of the mounting frame, and the positioning seat corresponds to the insertion rod, the spring is fixedly connected between the positioning seat and the mounting frame, the driving assembly is used for driving the positioning seat to move, and the pressing block is fixedly connected to the outer wall of the rotating shaft.

Further, drive assembly includes crank, driving motor and connecting plate, connecting plate fixed connection is on the inner wall of installing frame, the crank rotates the surface of connecting at the connecting plate, the one end and the positioning seat rotation connection of connecting plate are kept away from to the crank, driving motor fixed mounting is on the surface of connecting plate, driving motor's output and crank fixed connection.

Furthermore, a slot is formed in the surface of the positioning seat, the slot corresponds to the insertion rod, a fixed rail is fixedly connected to the inner wall of the mounting frame, and the positioning seat is connected with the fixed rail in a sliding mode.

Further, the fixed surface of bottom plate is connected with the riser, be provided with the fixture that is used for fixed fire door that prevents on the riser, fixture includes bracket, locating plate and threaded rod, bracket fixed connection is on the riser, threaded rod threaded connection is at the top of bracket, the end rotation of threaded rod is connected with the locating plate, the spout has been seted up on the lateral wall of bracket, locating plate and spout sliding connection.

Furthermore, the pressing block is preferably a square block, the surface of the square block is fixedly provided with extrusion blocks with different diameters, and the end part of the rotating shaft is fixedly connected with a rocker.

The utility model has the advantages that:

when the strength of the fireproof door is detected, the hydraulic cylinder is started to drive the lifting plate to lift, then the fireproof door is extruded through the pressing block, the deformation quantity of the surface of the fireproof door reflects the structural strength of the fireproof door, the pressure sensor reads the pressure value, the surface of the pressing block is fixedly provided with the pressing blocks with different diameters, the pressing block is driven to rotate by rotating the rotating shaft, so that the pressing blocks with different sizes on the surface of the pressing block are aligned with the fireproof door, the extrusion block has different contact areas so as to have different extrusion strengths, thereby testing the structural strength of the fireproof door under different pressures, when the pressing block is rotated, the driving mechanism is started to drive the positioning seat to move until the positioning seat and the insertion rod are inserted to complete the positioning of the rotating shaft, because the inserted link is two mutually perpendicular crisscross fixed plates, consequently can realize the extrusion piece on the briquetting and prevent that fire door is laminated perpendicularly.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic view of the structure of the rotating shaft pressing block of the present invention;

fig. 3 is a schematic structural view of the bracket and the positioning plate of the present invention.

1. A base plate; 2. a fixing frame; 3. a hydraulic cylinder; 4. a lifting plate; 5. a guide bar; 6. mounting a plate; 7. a rotating shaft; 8. a chute; 9. a vertical plate; 10. a bracket; 11. a rocker; 12. briquetting; 13. positioning seats; 14. a connecting plate; 15. a crank; 16. a spring; 17. inserting a rod; 18. a slot; 19. installing a frame; 20. a fixed rail; 21. positioning a plate; 22. a threaded rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

A device for detecting reliability of a fireproof door is disclosed, as shown in figures 1-3, and comprises a bottom plate 1 and a fixed frame 2, wherein the fixed frame 2 is fixedly connected on the surface of the bottom plate 1, a guide rod 5 is fixedly connected between the fixed frame 2 and the bottom plate 1, a lifting plate 4 is slidably connected on the guide rod 5, a hydraulic cylinder 3 is fixedly connected on the top of the fixed frame 2, the output end of the hydraulic cylinder 3 is fixedly connected with the lifting plate 4, a detection mechanism for detecting the strength of the fireproof door is arranged on the surface of the lifting plate 4, the detection mechanism comprises a mounting plate 6, a rotating shaft 7, a pressing block 12, a positioning seat 13, an insertion rod 17, a mounting frame 19, a spring 16 and a driving component, the mounting frame 19 is fixedly connected on the surface of the mounting plate 6, the mounting plate 6 is fixedly connected on the surface of the lifting plate 4, the rotating shaft 7 is rotatably connected on the mounting plate 6, the insertion rod 17 is fixedly connected at the end of the rotating shaft 7, the positioning seat 13 is slidably connected inside the mounting frame 19, the positioning seat 13 corresponds to the inserted rod 17, the spring 16 is fixedly connected between the positioning seat 13 and the mounting frame 19, the driving assembly is used for driving the positioning seat 13 to move, the pressing block 12 is fixedly connected on the outer wall of the rotating shaft 7, and the inserted rod 17 is two fixing plates which are mutually vertically crossed;

when the intensity of the fireproof door is detected, the hydraulic cylinder 3 is started to drive the lifting plate 4 to lift, then the fireproof door is extruded through the pressing block 12, the deformation quantity on the surface of the fireproof door reflects the structural intensity of the fireproof door, the pressure value is read through the pressure sensor, the pressing block 12 is fixedly provided with the pressing blocks with different diameters, the pressing block 12 is driven to rotate through rotating the rotating shaft 7, so that the pressing blocks with different sizes on the surface of the pressing block 12 are aligned to the fireproof door, the fireproof door is extruded, the pressing blocks are different in contact area and therefore different in extrusion strength, the structural intensity of the fireproof door under different pressures can be tested, when the pressing block 12 is rotated, the driving mechanism is started to drive the positioning seat 13 to move until the positioning seat 13 and the inserting rod 17 are inserted to complete the positioning of the rotating shaft 7, and the inserting rod 17 is two fixing plates which are mutually perpendicular and crossed, therefore, the vertical joint of the extrusion block on the pressing block 12 and the fireproof door can be realized.

The driving assembly comprises a crank 15, a driving motor and a connecting plate 14, the connecting plate 14 is fixedly connected to the inner wall of the mounting frame 19, the crank 15 is rotatably connected to the surface of the connecting plate 14, one end, far away from the connecting plate 14, of the crank 15 is rotatably connected with the positioning seat 13, the driving motor is fixedly mounted on the surface of the connecting plate 14, and the output end of the driving motor is fixedly connected with the crank 15;

the crank 15 is driven to rotate by the driving motor, the crank 15 drives the positioning seat 13 to move, and the positioning seat 13 is inserted into the insertion rod 17, so that the pressing block 12 is positioned.

The surface of the positioning seat 13 is provided with a slot 18, the slot 18 corresponds to the insertion rod 17, the inner wall of the mounting frame 19 is fixedly connected with a fixed rail 20, the positioning seat 13 is in sliding connection with the fixed rail 20, and the fixed rail 20 is used for limiting the positioning seat 13 and limiting the degree of freedom in the circumferential direction of the positioning seat 13, so that the positioning seat 13 can only move horizontally and linearly.

Fixed surface of bottom plate 1 is connected with riser 9, be provided with the fixture who is used for fixed fire door on riser 9, fixture includes bracket 10, locating plate 21 and threaded rod 22, bracket 10 fixed connection is on riser 9, threaded rod 22 threaded connection is at the top of bracket 10, threaded rod 22's end rotates and is connected with locating plate 21, spout 8 has been seted up on the lateral wall of bracket 10, locating

plate

21 and 8 sliding connection of spout, it removes to drive locating plate 21 through rotating threaded rod 22, locating plate 21 is under spout 8's spacing, carry out vertical downstream, carry out the centre gripping to fire door, bracket 10 carries out the bearing to fire door.

Briquetting 12 is preferably square piece, and square piece's fixed surface is provided with the extrusion piece that the diameter size is inconsistent, the tip fixedly connected with rocker 11 of axis of rotation 7 sets up the extrusion piece that the size is different can be more accurate test out prevent fire door's compressive strength.

It is understood that the described embodiments are merely exemplary of the invention, rather than exemplary of the whole, and that those skilled in the art will be able to make various modifications, additions and substitutions to the described embodiments without departing from the spirit of the invention or exceeding the scope of the claims. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure.

Claims

1. The utility model provides a prevent fire door reliability detection device, includes bottom plate (1) and fixed frame (2), fixed frame (2) fixed connection is on the surface of bottom plate (1), its characterized in that, fixedly connected with guide arm (5) between fixed frame (2) and bottom plate (1), sliding connection has lifter plate (4) on guide arm (5), the top fixedly connected with pneumatic cylinder (3) of fixed frame (2), the output and lifter plate (4) fixed connection of pneumatic cylinder (3), the surface of lifter plate (4) is provided with the detection mechanism who is used for detecting fire door intensity, detection mechanism includes mounting panel (6), axis of rotation (7), briquetting (12), positioning seat (13), inserted bar (17), installing frame (19), spring (16) and drive assembly, installing frame (19) fixed connection is on the surface of mounting panel (6), mounting panel (6) fixed connection is on the surface of lifter plate (4), axis of rotation (7) are rotated and are connected on mounting panel (6), inserted bar (17) fixed connection is at the tip of axis of rotation (7), positioning seat (13) sliding connection is in the inside of installing frame (19), positioning seat (13) and inserted bar (17) are corresponding, spring (16) fixed connection is between positioning seat (13) and installing frame (19), drive assembly is used for driving positioning seat (13) to remove, briquetting (12) fixed connection is on the outer wall of axis of rotation (7).

2. The fire door reliability detection device of claim 1, wherein the driving assembly comprises a crank (15), a driving motor and a connecting plate (14), the connecting plate (14) is fixedly connected to the inner wall of the mounting frame (19), the crank (15) is rotatably connected to the surface of the connecting plate (14), one end of the crank (15) far away from the connecting plate (14) is rotatably connected to the positioning seat (13), the driving motor is fixedly mounted on the surface of the connecting plate (14), and the output end of the driving motor is fixedly connected to the crank (15).

3. The fire door reliability detection device according to claim 1, wherein a slot (18) is formed in a surface of the positioning seat (13), the slot (18) corresponds to the insertion rod (17), a fixed rail (20) is fixedly connected to an inner wall of the mounting frame (19), and the positioning seat (13) is slidably connected to the fixed rail (20).

4. The fire door reliability detection device of claim 1, characterized in that, the fixed surface of bottom plate (1) is connected with riser (9), be provided with the fixture that is used for fixed fire door on riser (9), fixture includes bracket (10), locating plate (21) and threaded rod (22), bracket (10) fixed connection is on riser (9), threaded rod (22) threaded connection is at the top of bracket (10), the tip of threaded rod (22) is rotated and is connected with locating plate (21), spout (8) have been seted up on the lateral wall of bracket (10), locating plate (21) and spout (8) sliding connection.

5. The fire door reliability detection device according to claim 1, characterized in that the pressing block (12) is preferably a square block, the surface of the square block is fixedly provided with pressing blocks (12) with different diameters, and the end of the rotating shaft (7) is fixedly connected with a rocker (11).