Device for detecting fire resistance of fireproof coating

Abstract

The fire resistance detection device comprises a frame body and a movable frame, the top of the frame body is open, connecting rods are rotationally arranged at the front ends of the tops of the left outer side wall and the right outer side wall of the frame body respectively, round pins are fixedly arranged at the front ends of the sides, close to each other, of the two connecting rods respectively, and the movable frame is provided with a through channel. A storage plate is fixedly arranged on the periphery of the channel at the top of the movable frame, limiting protruding strips are fixedly arranged at the front end and the rear end of the top of the storage plate respectively, sliding grooves are formed in the left outer side wall and the right outer side wall of the movable frame respectively, the round pins of the two connecting rods are embedded in the corresponding sliding grooves in a sliding mode respectively, and limiting mechanisms are arranged on the tops of the left inner side wall and the right inner side wall of each clamping groove respectively. By means of the arrangement, the sample plate and the asbestos pressing plate can be placed on the top of the frame body without being lifted, the purpose that an experimenter can conveniently install the sample plate and the asbestos pressing plate is achieved, and the sample plate and the asbestos pressing plate can be prevented from sliding off from the hand of the experimenter.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material detection technical field, concretely relates to a fire -retardant paint fire resistance detection device. BACKGROUND

[0002] Fire -retardant paint is a kind of special coating for the surface of combustible substrate, can improve the fire resistance of material, for the rating of fire -retardant paint, the fire resistance of fire -retardant paint needs to be detected, usually uses big board combustion method to detect the fire resistance of fire -retardant paint during actual detection, before detection, the sample board with fire -retardant paint on the bottom needs to be placed on test frame, and the asbestos pressboard with circular through-hole in the center is placed on the top of sample board, then fire source is set in test frame, the bottom of sample board is burned, the time when the specific position on the top of sample board reaches specific temperature is measured, and then the fire resistance grade of fire -retardant paint is evaluated.

[0003] The Chinese patent with publication number CN217385373U discloses a decorative fire -retardant paint fire resistance testing device, the scheme includes sample frame, the sample frame includes frame body, the scheme utilizes the extension positioning block set on the top corner of sample frame, which can facilitate test personnel to accurately install test sample plate and asbestos pressboard.

[0004] The above scheme needs test personnel to place sample plate and asbestos pressboard horizontally on the top of frame body in sequence, but according to relevant specification requirements, the height of frame body is high, and the mass of sample plate and asbestos pressboard is large, so that test personnel are inconvenient to install sample plate and asbestos pressboard. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a fire -retardant paint fire resistance detection device to facilitate test personnel to install sample plate and asbestos pressboard.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] A fire -retardant paint fire resistance detection device, including frame body and movable frame, the top of frame body is open, and the front end of the top of the left and right two outer side walls of frame body is rotatably provided with connecting rod, the front end of the side close to each other of two connecting rods is fixedly provided with round pin, the movable frame has through channel, and the top of movable frame is fixedly provided with placing plate outside the periphery of channel, the front and rear ends of the top of placing plate are fixedly provided with limiting convex strips, the side close to each other of two limiting convex strips is symmetrically provided with clamping groove, the left and right two outer side walls of movable frame are respectively provided with sliding slot, and the round pin of two connecting rods is respectively slidably embedded in corresponding sliding slot, and the top of the left and right two inner side walls of each clamping groove is respectively provided with limiting mechanism.

[0008] The principle and effect of the technical scheme are as follows:

[0009] In the initial state, the movable frame is located at the front side of the frame body, the rear end walls of the two sliding grooves are hung on the corresponding round pins respectively, and the top of the movable frame is away from the frame body; during detection, the front and rear ends of the sample plate and the asbestos pressing plate coated with fireproof paint are sequentially clamped in the clamping grooves of the two limiting protrusions, then each limiting mechanism is locked to fix the sample plate and the asbestos pressing plate on the placing plate, then the movable frame is rotated to be in the horizontal state, and the movable frame is moved along the transverse direction until the center of the movable frame is vertically aligned with the center of the frame body, at this time, the sample plate and the asbestos pressing plate are placed on the top of the frame body along the transverse direction, and then a plurality of thermocouples are placed at the specified positions on the back fire surface of the sample plate, and a fire source is placed in the frame body; when the temperature of any thermocouple on the back fire surface of the sample plate reaches 220 DEG C or the back fire surface of the sample plate appears to be penetrated by fire, the fire source is turned off, and the time experienced during the test is recorded.

[0010] Through the above setting, the movable frame on which the sample plate and the asbestos pressing plate are installed is rotated, so that the sample plate and the asbestos pressing plate can be placed on the top of the frame body without being held high, which not only facilitates the installation of the sample plate and the asbestos pressing plate by the experimenter, but also avoids the sample plate and the asbestos pressing plate from sliding off the experimenter's hand, thereby improving the safety of the device.

[0011] In the utility model, the top of the left and right two inner side walls of the clamping groove is concavely provided with a limiting groove, each limiting mechanism comprises a threaded rod rotatably penetrating the end wall of the corresponding limiting groove and a limiting block slidingly embedded in the corresponding limiting groove, and each limiting block is sleeved on the corresponding threaded rod.

[0012] The principle and effect of the technical scheme are as follows:

[0013] In the initial state, the limiting block is located in the limiting groove, and after the front and rear ends of the sample plate and the asbestos pressing plate are sequentially clamped in the clamping grooves of the two limiting protrusions, the threaded rods of each limiting mechanism are sequentially rotated to drive the limiting blocks to move into the clamping grooves, so as to limit the sample plate and the asbestos pressing plate.

[0014] Through the above setting, the sample plate and the asbestos pressing plate can be prevented from being detached from the placing plate, and the purpose of limiting the sample plate and the asbestos pressing plate is achieved.

[0015] In the utility model, the left and right ends of the top of the front side of the frame body are rotatably provided with rollers, and the bottom of the movable frame abuts against the two rollers. Through the above setting, the friction between the frame body and the movable frame can be reduced, the smoothness of the device during operation is improved, and the service life of the device is prolonged.

[0016] In the utility model, the bottom of the end of the limiting block away from the threaded rod is provided with an arc-shaped guide surface. Through the above setting, the limiting block can push the asbestos pressing plate to move downward and press the sample plate, thereby improving the practicability of the device.

[0017] In the utility model, the left and right two ends of the front side wall of the frame body are fixedly provided with support blocks. When the rear end walls of the two grooves are hung on the corresponding round pins respectively, the front end of the movable frame bottom abuts against the support block, at the moment, an included angle smaller than 90 ° is formed between the movable frame and the horizontal plane, through the above setting, the experimenter can conveniently sequentially clamps the front and rear ends of the sample plate and the asbestos pressing plate in the clamping grooves of the two limiting convex strips, and the practicability of the device is improved.

[0018] In the utility model, the top of the rear side wall of the frame body is fixedly provided with a baffle protruding from the top of the frame body, and the baffle is magnetically connected with the movable frame. Through the above setting, after the movable frame is moved to the predetermined position, it can be avoided from moving along the transverse direction, and the stability of the device during use is improved.

[0019] In the utility model, the left and right two outer side walls of the storage plate are respectively and symmetrically provided with notches. Through the above setting, the operation space is reserved for the hands of the experimenter holding the sample plate and the asbestos pressing plate, and the hands of the experimenter are avoided from being squeezed.

[0020] In the utility model, the front side wall of the limiting convex strip on the front side is fixedly provided with a handle. Through the above setting, a fulcrum is provided for the experimenter to rotate the movable frame, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the isometric view of the utility model in use state one;

[0022] Figure 2 It is the isometric view of the utility model in use state two; Figure 1 It is the enlarged view of A in the utility model;

[0023] Figure 3 It is the isometric view of the utility model in use state two;

[0024] Figure 4 It is the partial sectional view of the utility model;

[0025] Figure 5 It is the exploded view of the parts of the utility model Figure 1 ;

[0026] Figure 6 It is the exploded view of the parts of the utility model Figure 2 .DETAILED DESCRIPTION The utility model will be further explained in detail in combination with the drawings and embodiments:

[0027]

[0028] The marks in the drawings of the specification include: 10, frame; 11, connecting rod; 12, round pin; 13, roller; 14, support block; 15, baffle; 20, movable frame; 21, channel; 22, storage plate; 221, notch; 23, limiting convex strip; 231, handle; 24, clamping groove; 241, limiting groove; 25, sliding groove; 30, limiting mechanism; 31, threaded rod; 32, limiting block.

[0029] Embodiment:

[0030] As shown in the accompanying Figures 1-6 The utility model discloses a fire -retardant paint fire resistance detection device, including frame 10 and movable frame 20, the top of frame 10 is open, and the top of the left and right two outer side walls of frame 10 is respectively rotationally arranged with connecting rod 11, and the front end of the side of the mutual approach of two connecting rods 11 is respectively fixedly arranged with round pin 12, movable frame 20 has the channel 21 of going through, and the top of movable frame 20 is fixedly arranged with storage plate 22 at the outer periphery of channel 21, and the front and rear ends of the top of storage plate 22 are respectively fixedly arranged with limiting convex strip 23, and the side of the mutual approach of two limiting convex strips 23 is symmetrically provided with clamping groove 24, and the left and right two outer side walls of movable frame 20 are respectively provided with sliding groove 25, and the round pin 12 of two connecting rods 11 is respectively slidably embedded in corresponding sliding groove 25, and the top of the left and right two inner side walls of each clamping groove 24 is respectively provided with limiting mechanism 30.

[0031] In the embodiment, the top of the left and right two inner side walls of the clamping groove 24 is respectively recessed with limiting groove 241, each limiting mechanism 30 includes threaded rod 31 rotationally penetrating the end wall of corresponding limiting groove 241, and limiting block 32 slidably embedded in corresponding limiting groove 241, and each limiting block 32 is respectively fitted with corresponding threaded rod 31.

[0032] In the embodiment, the left and right ends of the top of the front side of frame 10 are respectively rotationally arranged with roller 13, and the bottom of movable frame 20 abuts against two rollers 13.

[0033] In the embodiment, the bottom of the end of limiting block 32 away from threaded rod 31 is provided with an arc-shaped guide surface.

[0034] In the embodiment, the left and right ends of the front side wall of frame 10 are respectively fixedly arranged with support block 14.

[0035] In the embodiment, the top of the rear side wall of frame 10 is fixedly arranged with baffle 15 protruding from the top of frame 10, and the baffle 15 is magnetically connected with movable frame 20.

[0036] In the embodiment, the left and right outer side walls of storage plate 22 are respectively symmetrically provided with notch 221.

[0037] In the embodiment, the front side wall of the front side limiting protrusion 23 is fixedly provided with a handle 231.

[0038] The specific implementation process is as follows:

[0039] In the initial state, the movable frame 20 is located at the front side of the frame body 10, the rear end walls of the two sliding grooves 25 are respectively hung on the corresponding round pins 12, the top of the movable frame 20 is away from the frame body 10, when detecting, the front and rear ends of the sample plate and the asbestos pressing plate coated with fireproof paint are sequentially clamped in the clamping grooves 24 of the two limiting protrusions 23, then each limiting mechanism 30 is locked to fix the sample plate and the asbestos pressing plate on the placing plate 22, then the movable frame 20 is rotated to be in a horizontal state, and the movable frame 20 is moved along the transverse direction until the center of the movable frame 20 is vertically aligned with the center of the frame body 10, at this time, the sample plate and the asbestos pressing plate are placed on the top of the frame body 10 along the transverse direction, and then a plurality of thermocouples are placed at the specified positions on the backfire surface of the sample plate, and a fire source is placed in the frame body 10, when the temperature of any thermocouple on the backfire surface of the sample plate reaches 220 DEG C or the backfire surface of the sample plate appears to be penetrated by fire, the fire source is turned off, and the time experienced during the test is recorded.

[0040] In the initial state, the limiting block 32 is located in the limiting groove 241, after the front and rear ends of the sample plate and the asbestos pressing plate are sequentially clamped in the clamping grooves 24 of the two limiting protrusions 23, the threaded rods 31 of each limiting mechanism 30 are sequentially rotated, and then each limiting block 32 is moved to the clamping groove 24 to limit the sample plate and the asbestos pressing plate.

[0041] The above is only an embodiment of the present application, and the specific technical solutions or characteristics known in the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A fire-resistant coating fire resistance testing device, characterized in that, include: The frame has an open top, and the front ends of the top of the left and right outer side walls of the frame are respectively rotatably provided with connecting rods, and the front ends of the two connecting rods that are close to each other are respectively fixed with round pins. The movable frame has a through channel. A shelf is fixedly installed on the top of the movable frame around the outer perimeter of the channel. Limiting protrusions are fixedly installed at the front and rear ends of the top of the shelf. The two limiting protrusions are symmetrically provided with slots on one side close to each other. Sliding grooves are provided on the left and right outer side walls of the movable frame. The round pins of the two connecting rods are slidably embedded in the corresponding sliding grooves. Limiting mechanisms are provided on the top of the left and right inner side walls of each slot.

2. The fire resistance testing device for fire-retardant coatings as described in claim 1, characterized in that: The top of the left and right inner sidewalls of the card slot are respectively recessed with limiting grooves. Each limiting mechanism includes a threaded rod that rotates through the end wall of the corresponding limiting groove and a limiting block that slides into the corresponding limiting groove. Each limiting block is respectively fitted onto the corresponding threaded rod.

3. The fire resistance testing device for fire-retardant coatings as described in claim 2, characterized in that: Rollers are rotatably mounted on the left and right ends of the top front side of the frame, and the bottom of the movable frame abuts against the two rollers.

4. The fire resistance testing device for fire-retardant coatings as described in claim 3, characterized in that: The bottom of the limiting block, away from the threaded rod, is provided with an arc-shaped guide surface.

5. The fire resistance testing device for fire-retardant coatings as described in claim 4, characterized in that: Support blocks are fixedly installed at the left and right ends of the front side wall of the frame.

6. The fire resistance testing device for fire-retardant coatings as described in claim 5, characterized in that: A baffle protruding from the top of the rear side wall of the frame is fixedly installed, and the baffle is magnetically connected to the movable frame.

7. The fire resistance testing device for fire-retardant coatings as described in claim 6, characterized in that: The left and right outer side walls of the shelf are symmetrically provided with notches.

8. The fire resistance testing device for fire-retardant coatings as described in claim 7, characterized in that: A handle is fixedly provided on the front side wall of the aforementioned limiting protrusion.

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