A fixing device for testing the fire resistance performance of components

Abstract

This utility model discloses a fixing device for testing the fire resistance performance of components, comprising a support body and an auxiliary fixing layer; the auxiliary fixing layer is disposed on the support body; the support body can be disposed on the ground; the component can be disposed on the support body and can be connected and fixed to the auxiliary fixing layer. This utility model provides a fixing device for testing the fire resistance performance of components, which can stably fix the components and ensure the smooth conduct of the fire resistance performance test.

Description

Technical Field

[0001] This utility model belongs to the technical field of fire resistance performance testing of components, and specifically relates to a fixing device for testing the fire resistance performance of components. Background Technology

[0002] Metal pipes (i.e., components) used in construction, energy, chemical, and food industries are typically coated with specific organic or inorganic coatings, such as antistatic coatings, anti-corrosion coatings, wear-resistant coatings, heat-reflective coatings, high-temperature resistant coatings, ultra-smooth coatings, and antibacterial coatings, depending on the specific application. Before being put into use, these coated metal pipes need to undergo corresponding fire performance tests to verify their fire resistance. In actual tests, improper installation and fixation of the metal pipes can easily cause them to collapse during the combustion test, leading to test failure. Currently, there is a lack of a fixing device for component fire performance testing to ensure the stable fixation of components (such as metal pipes) and guarantee the smooth conduct of the fire performance test. Utility Model Content

[0003] To address the aforementioned problems in the prior art, this utility model provides a fixing device for testing the fire resistance performance of components, which can stably fix components (such as metal pipes) and ensure the smooth conduct of the fire resistance performance test.

[0004] The present invention adopts the following technical solution:

[0005] A fixing device for testing the fire resistance performance of components includes a support body and an auxiliary fixing layer; the auxiliary fixing layer is disposed on the support body; the support body can be disposed on the ground; the component can be disposed on the support body and can be connected and fixed to the auxiliary fixing layer.

[0006] Furthermore, the support body includes a first support plate and a second support plate; the first support plate and the second support plate are connected at a set angle; after the first support plate and the second support plate are connected, they can be erected on the ground.

[0007] Furthermore, a fixing device for testing the fire resistance performance of a component also includes a corner strip; the first support plate is connected to the second support plate via the corner strip.

[0008] Furthermore, the corner strip is an L-shaped corner strip; one side of the L-shaped corner strip is connected to the first support plate, and the other side of the L-shaped corner strip is connected to the second support plate.

[0009] Furthermore, the auxiliary fixing layer is a metal plate, which is disposed on the unexposed side of the first support plate.

[0010] Furthermore, the metal plate is a T-shaped metal plate.

[0011] Furthermore, a fixing device for testing the fire resistance performance of a component further includes a fixing component; the component is mounted on the fire-exposed surface of the first support plate via the fixing component, and is connected to the metal plate via the fixing component.

[0012] Furthermore, the fixing assembly includes a retaining ring, a long pin, a first fastening nut, and a second fastening nut;

[0013] The retaining ring is used to fit onto the component and confine the component to the fire-exposed side of the first support plate.

[0014] The long nail passes through the nail hole of the fixing ring, and the first fastening nut is provided on the long nail to fix the position of the fixing ring;

[0015] The long nail can also pass through the first support plate and the metal plate, and the long nail is also provided with a second fastening nut to limit the long nail from disengaging from the metal plate and the first support plate.

[0016] Furthermore, the fixing assembly also includes a third fastening nut, which is disposed on the long nail and located on the fire-exposed side of the first support plate.

[0017] Furthermore, a fixing device for testing the fire resistance performance of a component further includes a connector; the component is a coated metal pipe used for fire resistance testing, the coated metal pipe includes a first pipe, a second pipe, a third pipe, and a tee pipe, the first port of the tee pipe is connected to the first pipe through the connector, the second port of the tee pipe is connected to the second pipe through the connector, and the third port of the tee pipe is connected to the third pipe through the connector; the first pipe, the second pipe, and the third pipe are respectively fixed to the first support plate and the metal plate through the fixing component.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This utility model discloses a fixing device for testing the fire resistance performance of components. The supporting body is provided with an auxiliary fixing layer. The supporting body can be stably arranged on the ground and provides a base condition for the stable fixing of the components. While the test components are fixed on the supporting body, they are also connected and fixed to the auxiliary fixing layer on the supporting body. The auxiliary fixing layer further ensures that the components are stably fixed on the supporting body.

[0020] This utility model discloses a fixing device for testing the fire resistance performance of components, which can stably fix components (such as metal pipes) and ensure the smooth conduct of the fire resistance performance test. Attached Figure Description

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0022] Figure 1 This is a three-dimensional schematic diagram of a coated metal pipe fixed on a support (for fire resistance testing) (the fixing ring, connector, and burner are simplified schematic diagrams).

[0023] Figure 2 It is a three-dimensional schematic diagram of the first support plate being connected to the second support plate by corner strips;

[0024] Figure 3 This is a schematic diagram showing a T-shaped metal plate on the unexposed side of the first support plate;

[0025] Figure 4 This is a schematic diagram (partial view) showing the connection relationship between the fixed component, the first support plate, and the metal plate.

[0026] Figure label:

[0027] 1-Support body; 11-First support plate; A-Unexposed surface; B-Exposed surface; 12-Second support plate; C-Unexposed surface; D-Exposed surface;

[0028] 2-corner strip;

[0029] 3-Metal plate; E-Mounting hole;

[0030] 4-Fixing component; 41-Fixing ring; 42-Long nail; 43-First fastening nut; 44-Second fastening nut; 45-Third fastening nut;

[0031] 5-Connectors;

[0032] 6-Metal pipe; 61-First pipe; 62-Second pipe; 63-Third pipe; 64-Tee pipe;

[0033] 7-Burner. Detailed Implementation

[0034] The following will provide a clear and complete description of the concept, specific structure, and technical effects of this utility model in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, solution, and effects of this utility model. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0035] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or it can be indirectly fixed or connected to the other feature. Furthermore, the descriptions of "upper," "lower," "left," and "right" used in this utility model are only relative to the relative positional relationships of the various components of this utility model in the accompanying drawings.

[0036] Reference Figures 1 to 4 A fixing device for testing the fire resistance performance of components includes a support body 1 and an auxiliary fixing layer; the auxiliary fixing layer is disposed on the support body 1 and can be used to prevent the support body 1 from breaking; the support body 1 can be disposed on the ground; the component for testing fire resistance performance (such as a coated metal pipe) can be disposed on the support body 1 and can be connected and fixed to the auxiliary fixing layer.

[0037] Reference Figures 1 to 4 In one embodiment, the support body 1 includes a first support plate 11 and a second support plate 12; the first support plate 11 and the second support plate 12 are connected at a set angle; after the first support plate 11 and the second support plate 12 are connected, they can be erected on the ground; the fire-exposed surface B of the first support plate 11 and / or the fire-exposed surface D of the second support plate 12 are used to set up test components (such as coated metal pipes 6).

[0038] Reference Figures 1 to 4 In one embodiment, a fixing device for testing the fire resistance performance of a component further includes a corner strip 2; the first support plate 11 is connected to the second support plate 12 through the corner strip 2.

[0039] Reference Figure 2 In one embodiment, the corner strip 2 is an L-shaped corner strip; one side of the L-shaped corner strip is connected to the first support plate 11, and the other side of the L-shaped corner strip is connected to the second support plate 12.

[0040] Reference Figure 1 In one embodiment, the height of the first support plate 11 and the height of the second support plate 12 are equal.

[0041] Reference Figure 1 In one embodiment, the length of the first support plate 11 is greater than the length of the second support plate 12.

[0042] In another embodiment, the length of the first support plate 11 is less than or equal to the length of the second support plate 12.

[0043] Reference Figure 1 and Figure 2In one embodiment, after the first support plate 11 is connected to the second support plate 12 through the L-shaped corner strip, the included angle between the first support plate 11 and the second support plate 12 is 90°, forming a "T" shaped support.

[0044] Reference Figure 3 and Figure 4 In one embodiment, the auxiliary fixing layer is a metal plate 3, which is disposed on the unexposed surface A of the first support plate 11 to prevent the first support plate 11 from cracking. Similarly, the metal plate 3 can also be disposed on the unexposed surface C of the second support plate 12.

[0045] Reference Figure 3 In one embodiment, the metal plate 3 is a T-shaped metal plate, which is disposed on the unexposed surface A of the first support plate 11 to prevent the test component from falling off due to the first support plate 11 cracking under stress or heat. At the same time, since the T-shaped metal plate is disposed on the unexposed surface A of the first support plate 11, this arrangement effectively avoids the metal plate 3 from affecting the test results of the test component by absorbing heat and radiating energy.

[0046] Reference Figures 1 to 4 In one embodiment, a fixing device for testing the fire resistance performance of a component further includes a fixing component 4; the component (such as a coated metal pipe) is mounted on the fire-exposed surface B of the first support plate 11 through the fixing component 4, and is connected to the metal plate 3 through the fixing component 4.

[0047] Reference Figures 1 to 4 In one embodiment, the fixing component 4 includes a fixing ring 41, a long nail 42, a first fastening nut 43, and a second fastening nut 44;

[0048] The fixing ring 41 is used to fit onto the component and limit the component to the fire-receiving surface B of the first support plate 11;

[0049] The long nail 42 passes through the nail hole of the fixing ring 41, and the first fastening nut 43 is provided on the long nail 42 to fix the position of the fixing ring 41.

[0050] The long nail 42 can also pass through the first support plate 11 and the metal plate 3, and the long nail 42 is also provided with a second fastening nut 44, which is used to limit the long nail 42 from disengaging from the metal plate 3 and the first support plate 11.

[0051] Reference Figures 1 to 4In one embodiment, the fixing component 4 further includes a third fastening nut 45, which is disposed on the long nail 42 and located on the fire-receiving surface B side of the first support plate 11.

[0052] Reference Figures 1 to 4 In one embodiment, the first support plate 11 and the metal plate 3 are each provided with mounting holes E through which the long nails 42 of the fixing component 4 pass.

[0053] In one embodiment, the fixing ring 41 is an arc-shaped fixing ring with nail holes at both ends. Accordingly, the fixing ring 41 requires two long nails 42 to fix its position.

[0054] In one embodiment, the retaining ring 41 is a stainless steel retaining ring.

[0055] Reference Figures 1 to 4 In one embodiment, the long nail 42 is a threaded metal nail that, together with the retaining ring 41, the first fastening nut 43, the second fastening nut 44 and the third fastening nut 45, is used to fix the test component (such as the coated metal pipe 6).

[0056] Reference Figures 1 to 4 In one embodiment, a fixing device for testing the fire resistance performance of a component further includes a connector 5; the component is a coated metal pipe 6, which is used for fire resistance testing. The coated metal pipe 6 includes a first pipe 61, a second pipe 62, a third pipe 63, and a tee pipe 64. The first port of the tee pipe 64 is connected to the first pipe 61 through the connector 5, the second port of the tee pipe 64 is connected to the second pipe 62 through the connector 5, and the third port of the tee pipe 64 is connected to the third pipe 63 through the connector 5. The first pipe 61, the second pipe 62, and the third pipe 63 are respectively fixed to the first support plate 11 and the metal plate 3 through the fixing component 4.

[0057] In one embodiment, the connector 5 includes one or more sealing gaskets used in pipe-to-pipe connections to prevent leakage at the pipe connections.

[0058] In one embodiment, the tee pipe 64 can be connected to pipes of different diameters via the connector 5 (such as a sealing gasket of a different type).

[0059] In one embodiment, the color and coating of the connector 5 (such as a sealing gasket) are consistent with those used on the metal pipe 6.

[0060] Reference Figures 1 to 4In one embodiment, the first pipe 61 is used as a first vertical pipe section, the second pipe 62 is used as a second vertical pipe section, and the third pipe 63 is used as a horizontal pipe section. After the first pipe 61, the second pipe 62, the third pipe 63, and the tee pipe 64 are assembled, the centerline of the first pipe 61 coincides with the centerline of the second pipe 62, and the centerline of the first pipe 61 forms a 90° angle with the centerline of the third pipe 63.

[0061] The first joint of the tee pipe 64 is connected to the first pipe 61 via the connector 5 to achieve a seal at the joint, and the connector 5 is located at the center of the joint; the second joint of the tee pipe 64 is connected to the second pipe 62 via the connector 5 to achieve a seal at the joint, and the connector 5 is located at the center of the joint; the third joint of the tee pipe 64 is connected to the third pipe 63 via the connector 5 to achieve a seal at the joint, and the connector 5 is located at the center of the joint.

[0062] Reference Figure 1 In one embodiment, the length of the first pipe 61 is the same as the length of the second pipe 62; wherein the length of the first pipe 61 is (600±15) mm.

[0063] Reference Figure 1 In one embodiment, the length of the third pipe 64 is the length obtained by subtracting the outer diameter of the tee pipe and the length of the horizontal section of the tee pipe from the set length; preferably, the set length is (980±20) mm.

[0064] In one embodiment, the metal pipe 6 is a stainless steel pipe or a cast iron pipe; however, the metal pipe 6 is not limited to the stainless steel pipe or cast iron pipe mentioned in this utility model.

[0065] In one embodiment, the nominal diameter of the metal pipe is 40mm to 450mm. The "support body 1, metal plate 3, and fixing component 4" of this utility model can achieve the fixing of large-diameter metal pipes.

[0066] In one embodiment, the metal pipe 6 is coated with a coating, which is one or more of the following: antistatic coating, anti-corrosion coating, wear-resistant coating, heat-reflective coating, high-temperature resistant coating, ultra-smooth coating, and antibacterial coating.

[0067] Reference Figures 1 to 4In one embodiment, the third pipe 63 is mounted on the first support plate 11 and the metal plate 3 via the fixing assembly 4. Specifically, the fixing assembly 4 is used to fix the third pipe 63 in two places. During fixing, the fixing ring 41, the long nail 42, the first fastening nut 43, and the third fastening nut 45 are pre-assembled together. Then, the fixing ring 41 is fitted onto the pipe body of the third pipe 63, and the long nail 42 is positioned to pass through the first support plate 11 and the metal plate 3. Then, the second fastening nut 44 is installed. Preferably, the fixing distance between the third pipe 63 and the first support plate 11 can be adjusted by adjusting the limiting positions of the second fastening nut 44 and the third fastening nut 45. Preferably, the fixing ring 41 of the first fixing assembly 4 is 150mm away from the horizontal distance of the third interface joint of the tee pipe 64; the fixing ring 41 of the second fixing assembly 4 is 150mm away from the horizontal distance of the nearest end of the third pipe 63 (refer to...). Figure 1 For example, the horizontal distance between the fixed ring 41 and the left end of the third pipe 63 is 150mm.

[0068] Similarly, the first pipe 61 is also mounted on the first support plate 11 and the metal plate 3 by the fixing component 4; specifically, the first pipe 61 is fixed in one place using the fixing component 4; preferably, the fixing ring 41 of the fixing component 4 is 150mm vertically from the nearest end of the first pipe 61 (refer to...). Figure 1 For example, the vertical distance between the fixed ring 41 and the upper end of the first pipe 61 is 150mm.

[0069] Similarly, the second pipe 62 is also mounted on the first support plate 11 and the metal plate 3 by the fixing component 4; specifically, the second pipe 62 is fixed in one place using the fixing component 4; preferably, the fixing ring 41 of the fixing component 4 is 150mm vertically from the nearest end of the second pipe 62 (refer to...). Figure 1 For example, the vertical distance between the fixed ring 41 and the lower end of the second pipe 62 is 150mm.

[0070] Reference Figure 1 In one embodiment, after the first pipe 61, the second pipe 62, the third pipe 63, and the tee pipe 64 are assembled and fixed, a fire resistance test is conducted. During the fire resistance test, the inlet and outlet ends of the vertical and horizontal pipes are sealed with fireproof cotton, and the bottom vertical pipe is placed at the apex edge of the burner 7 (refer to...). Figure 1(e.g., placed at the corner edge of a burner viewed from above as a triangle), so that the ignition flame can directly contact the surface of the vertical pipe, while preventing the burner flame or the flame from burning the outer coating of the pipe during the test from entering the pipe through the pipe port.

[0071] In one embodiment, the present invention has the following advantages:

[0072] (1) The unexposed surface A of the first support plate 11 of this utility model is provided with a metal plate 3. The fixing component 4, combined with the first support plate 11 and the metal plate 3, realizes the stable fixing of the metal pipe 6, which can effectively prevent the pipe from collapsing during the test and can effectively avoid test failure.

[0073] (2) The present invention can flexibly adjust the fixed distance between the pipe and the support plate through the long nail 42, the second fastening nut 44 and the third fastening nut 45, so that the fixing component 4 can fix pipes of different diameters.

[0074] (3) The present invention enables the tee pipe 64 to connect pipes of different diameters through the connector 5.

[0075] (4) During the test, the inlet and outlet of the vertical and horizontal pipes are sealed with fireproof cotton to prevent the burner flame or the flame of the external coating of the pipe from entering the pipe directly through the external port of the pipe.

[0076] (5) During the test, the bottom vertical pipe is placed at the top edge of the burner 7 so that the ignition flame can directly contact the surface of the bottom vertical pipe.

[0077] The fire resistance test of the "coated metal pipe 6" can be successfully completed using the fixing device of this utility model.

[0078] Other aspects of the fixing device for testing the fire resistance performance of components described in this utility model are found in the prior art and will not be repeated here.

[0079] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A fixing device for testing the fire resistance performance of components, characterized in that, It includes a support body and an auxiliary fixing layer; the auxiliary fixing layer is disposed on the support body; the support body can be disposed on the ground; the component can be disposed on the support body and can be connected and fixed with the auxiliary fixing layer.

2. The fixing device for testing the fire resistance performance of components according to claim 1, characterized in that, The support includes a first support plate and a second support plate; the first support plate and the second support plate are connected at a set angle; after the first support plate and the second support plate are connected, they can be erected on the ground.

3. The fixing device for testing the fire resistance performance of components according to claim 2, characterized in that, It also includes a corner strip; the first support plate is connected to the second support plate through the corner strip.

4. The fixing device for testing the fire resistance performance of components according to claim 3, characterized in that, The corner strip is an L-shaped corner strip; one side of the L-shaped corner strip is connected to the first support plate, and the other side of the L-shaped corner strip is connected to the second support plate.

5. A fixing device for testing the fire resistance performance of components according to claim 2, characterized in that, The auxiliary fixing layer is a metal plate, which is disposed on the unexposed side of the first support plate.

6. The fixing device for testing the fire resistance performance of components according to claim 5, characterized in that, The metal plate is a T-shaped metal plate.

7. A fixing device for testing the fire resistance performance of components according to claim 5, characterized in that, It also includes a fixing component; the component is mounted on the fire-exposed surface of the first support plate via the fixing component, and is connected to the metal plate via the fixing component.

8. A fixing device for testing the fire resistance performance of components according to claim 7, characterized in that, The fixing assembly includes a retaining ring, a long nail, a first fastening nut, and a second fastening nut; The retaining ring is used to fit onto the component and confine the component to the fire-exposed side of the first support plate. The long nail passes through the nail hole of the fixing ring, and the first fastening nut is provided on the long nail to fix the position of the fixing ring; The long nail can also pass through the first support plate and the metal plate, and the long nail is also provided with a second fastening nut to limit the long nail from disengaging from the metal plate and the first support plate.

9. A fixing device for testing the fire resistance performance of components according to claim 8, characterized in that, The fixing assembly also includes a third fastening nut, which is disposed on the long nail and located on the fire-exposed side of the first support plate.

10. A fixing device for testing the fire resistance performance of a component according to any one of claims 7 to 9, characterized in that, It also includes connectors; the component is a coated metal pipe used for fire resistance testing. The coated metal pipe includes a first pipe, a second pipe, a third pipe, and a tee pipe. The first port of the tee pipe is connected to the first pipe through the connector, the second port of the tee pipe is connected to the second pipe through the connector, and the third port of the tee pipe is connected to the third pipe through the connector. The first pipe, the second pipe, and the third pipe are respectively fixed to the first support plate and the metal plate through the fixing components.

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