Fire-resistant wire and cable inspection device and method thereof

Abstract

The invention relates to the technical field of electric wire and cable inspection, and discloses a fire-resistant electric wire and cable inspection device and a method thereof.The fire-resistant electric wire and cable inspection device comprises an inspection table, cable fixing parts arranged on the two sides of the top of the inspection table and located in an inner cavity of a blocking cover, and first moving parts arranged on the cable fixing parts; the rotating part is arranged in the inner cavity of the inspection bench; and the second moving part is arranged in the inner cavity of the blocking cover and is used for driving the annular flame heater to move. According to the fire-resistant wire and cable inspection device, through the arrangement of the two groups of rotating discs and the cooperation of the two groups of rotating discs and the annular flame heater, the device can perform fire-resistant inspection operation on multiple groups of cables at a time and inspect the multiple groups of cables at a time, so that the tedious process of one-by-one inspection is avoided, and the inspection efficiency is remarkably improved; and a plurality of groups of cables are inspected in the same batch, so that all the cables can be tested under the same condition.

Description

Technical Field

[0001] The present invention relates to the technical field of wire and cable inspection, and in particular to a fire-resistant wire and cable inspection device and method. Background Art

[0002] Fire-resistant wire and cable inspection devices are equipment used to evaluate whether the performance of fire-resistant wires and cables under specific conditions meets the standard requirements. These devices can usually simulate fire scenes and test key indicators such as fire resistance, flame retardancy, smoke density, heat release rate, etc. of cables under extreme conditions such as high temperature and flame.

[0003] For example, a fireproof cable fire resistance performance testing device disclosed in a Chinese patent with publication number CN118091017B includes a test furnace, the test furnace includes a bottom wall, four furnace walls connected end to end and arranged on the bottom wall, and a top cover arranged on the top of the furnace wall, each furnace wall, top cover and bottom wall form a closed space; the support sleeve is rotatably assembled between two mounting holes, the support sleeve includes two rotating sealing sections and a support section, and the support section includes a support plate section and a connecting plate section; the fixing ring is used to be sleeved on the cable; the burner is arranged under the support sleeve to perform a fire resistance test on the cable on the support rod section; the limiting structure is used to fix the support sleeve at a first position and a second position. When the fireproof cable fire resistance performance testing device of the present invention is in use, the interior of the test furnace is a closed space, thereby simulating a fire scene in a closed space, and at the same time, the cable installation is convenient and quick, and the operation is simple.

[0004] However, when the above-mentioned equipment is used to conduct fire resistance inspection on cables, most of them can only conduct fire resistance inspection on one cable. When a large number of cables need to be inspected, the method of inspecting each cable one by one will take a lot of time and affect the overall inspection progress. Moreover, when it is necessary to compare the fire resistance performance of cables of different brands, models or batches, the method of inspecting each cable one by one may not be able to intuitively show the differences between them, which may affect decision makers' judgment on cable selection. Summary of the invention

[0005] In view of the problem that when a large number of cables need to be inspected, the above-mentioned existing equipment will consume a lot of time by inspecting each cable one by one, affecting the overall inspection progress, and when it is necessary to compare the fire resistance performance of cables of different brands, models or batches, the method of inspecting each cable one by one may be difficult to intuitively display the differences between them, the present invention is proposed.

[0006] Therefore, the object of the present invention is to provide a fire-resistant wire and cable inspection device, the purpose of which is to: inspect multiple groups of cables at the same time, and can significantly shorten the inspection cycle and improve the inspection efficiency.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a fire-resistant wire and cable inspection device, comprising an inspection platform and a blocking cover arranged on the top of the inspection platform, a glass observation window arranged at one end of the inspection platform, operation compartment doors arranged on both sides of the inspection platform, and an annular flame heater arranged in the inner cavity of the blocking cover, cable fixing components arranged on both sides of the top of the inspection platform and located in the inner cavity of the blocking cover, a first moving component arranged on the cable fixing component, a rotating component arranged in the inner cavity of the inspection platform, and a second moving component arranged in the inner cavity of the blocking cover for driving the annular flame heater to move;

[0008] The cable fixing component includes a base 1 arranged on one side of the top of the inspection table, a base 2 arranged on the other side of the top of the inspection table, a fixing ring arranged on the top of the base 1 and the base 2, a rotating disk arranged on the inner wall of the fixing ring, a plurality of groups of mounting openings arranged on one side of the rotating disk, a telescopic rod arranged on the inner cavity wall of the mounting opening, a clamping block arranged at one end of the telescopic rod away from the mounting opening, a spring arranged on the surface of the telescopic rod, and a synchronous fixing component arranged on one side of the rotating disk.

[0009] As a preferred embodiment of the fire-resistant wire and cable inspection device described in the present invention, the synchronous fixing component includes a limit cylinder arranged on one side of the rotating disk, a through hole arranged on the side of the limit cylinder away from the rotating disk, two groups of limiting openings arranged on the side of the limit cylinder away from the rotating disk, and the limiting openings and the through hole are connected to each other, multiple groups of connecting openings arranged on the surface of the limit cylinder, a telescopic rod arranged on the side of the inner cavity of the limit cylinder away from the through hole, and the telescopic rod extends to the outside of the limit cylinder through the through hole, a sleeve block arranged on the surface of the telescopic rod, multiple groups of connecting rods arranged on the surface of the sleeve block, and the connecting rods extend to the outside of the limit cylinder through the connecting port and are hinged to one side of the clamping block, and two groups of blocking blocks are arranged at one end of the surface of the telescopic rod, and the blocking blocks and the limiting openings are adapted to each other.

[0010] As a preferred solution of the fire-resistant wire and cable inspection device described in the present invention, wherein: the first moving component includes a moving block arranged on the top of a group of the fixed rings, and the moving block and the base 2 are located on the same group of fixed rings, a motor 1 is arranged on one side of the top of the inner cavity of the blocking cover, and a threaded rod 1 is arranged at the output end of the motor 1, and one end of the threaded rod 1 passes through the moving block and is rotatably connected to one side of the blocking cover.

[0011] As a preferred solution of the fire-resistant wire and cable inspection device described in the present invention, the first moving component also includes slide rails arranged at both ends of the top of the inspection platform, a slider arranged on the inner side of the slide rail, and the top of the slider and the bottom of the base two are interconnected.

[0012] As a preferred solution of the fire-resistant wire and cable inspection device described in the present invention, the rotating component includes an installation cavity arranged inside the inspection table, a second motor arranged on one side of the inner cavity of the installation cavity, and a rotating rod arranged at the output end of the second motor, and one end of the rotating rod is rotatably connected to one side of the inner cavity of the installation cavity.

[0013] As a preferred solution of the fire-resistant wire and cable inspection device described in the present invention, the rotating component also includes connecting slots arranged on both sides of the top of the inspection platform, and the connecting slots penetrate the inspection platform, an external gear arranged on one side of the rotating disk, and rotating gears arranged at both ends of the surface of the rotating rod, and the rotating gears extend to the top of the inspection platform through the connecting slots and mesh with the external gears, and a telescopic square tube is arranged on the side where the two groups of rotating disks are close to each other.

[0014] As a preferred solution of the fire-resistant wire and cable inspection device described in the present invention, the second moving component includes a motor three arranged at one end of the bottom of one side of the inner cavity of the blocking cover, a threaded rod two arranged at the output end of the motor three, and one end of the threaded rod two is rotatably connected to one side of the inner cavity of the blocking cover, and an internal threaded sleeve block is arranged on the surface of the threaded rod two, and the surface of the internal threaded sleeve block and the annular flame heater are connected to each other.

[0015] As a preferred solution of the fire-resistant wire and cable inspection device described in the present invention, the second moving component also includes an auxiliary sliding rod arranged at one end of the bottom of both sides of the inner cavity of the blocking cover, and an auxiliary sleeve block arranged on the surface of the auxiliary sliding rod, and the auxiliary sleeve block and the surface of the annular flame heater are connected to each other.

[0016] To achieve the above object, the present invention provides the following technical solution: a method for using a fire-resistant wire and cable inspection device, comprising the following steps:

[0017] S1, first start the motor 2 so that the annular flame heater is close to the rotating disk on the base 1, and then start the motor 1 so that the rotating disk on the base 2 is close to the annular flame heater;

[0018] S2, then pass the multiple cables to be inspected through the installation ports on the two sets of rotating disks in sequence, and also through the annular flame heater;

[0019] S3, first clamp and fix the cable placed in the rotating disk on the second base by the synchronous fixing component, then start the motor one, so that the rotating disk on the second base drives the cable to move to the side of the blocking cover away from the first base, and then clamp and fix the cable in the rotating disk on the first base by the synchronous fixing component;

[0020] S4, then start the annular flame heater to perform fire resistance test on the cable, and at the same time start motor 2 so that the annular flame heater can move left and right on the surface of the cable;

[0021] S5, at the same time, the second motor can be started to rotate the two sets of rotating disks, and then drive multiple cables to rotate, and drive multiple cables to rotate inside the annular flame heater to ensure that all parts of the cable can be evenly heated to complete the fire resistance inspection operation.

[0022] Beneficial effects of the present invention:

[0023] 1. The present invention, through the setting of two sets of rotating disks and the cooperation with the annular flame heater, can enable the device to perform fire resistance inspection operations on multiple groups of cables at a time. Inspecting multiple groups of cables at a time avoids the tedious process of inspecting one by one, significantly improves the inspection efficiency, and inspecting multiple groups of cables in the same batch can ensure that all cables are tested under the same conditions, thereby improving the consistency and comparability of the data. At the same time, batch inspection reduces the errors caused by setting different conditions for multiple times and improves the accuracy of the test results.

[0024] 2. The present invention can quickly and synchronously fix and cancel multiple cables through the synchronous fixing assembly arranged on the rotating disk, avoiding the tedious process of fixing the cables one by one, significantly improving work efficiency, reducing the need for manual operation, and reducing the labor intensity of operators.

[0025] 3. The present invention can quickly unfold the cables for fire resistance inspection by first fixing a plurality of cables to the rotating disk on the base two and then starting the motor one to drive the rotating disk on the base two to move, without the need to manually straighten the cables, thereby reducing the operating difficulty of the operator and improving the efficiency of the inspection.

[0026] 4. The present invention starts the second motor to drive the rotating rod to rotate, and then drives the rotating gear to rotate, so that the rotating disk can rotate on the inner wall of the fixed ring, and then drive multiple cables to rotate inside the annular flame heater, ensuring that all parts of the cables can be heated evenly, thereby improving the uniformity and accuracy of the test results, avoiding test errors caused by uneven heating of the cables, and making the test results more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0028] in:

[0029] Figure 1 It is a schematic diagram of the overall structure of the fire-resistant wire and cable inspection device of the present invention.

[0030] Figure 2 It is a schematic diagram of the main cross-sectional structure of the blocking cover of the fire-resistant wire and cable inspection device of the present invention.

[0031] Figure 3 It is a top view and a cross-sectional three-dimensional structural schematic diagram of the blocking cover of the fire-resistant wire and cable inspection device of the present invention.

[0032] Figure 4 It is a schematic diagram of the three-dimensional structure of the cable fixing component of the fire-resistant wire and cable inspection device of the present invention.

[0033] Figure 5 It is a schematic diagram of the three-dimensional structure of the rotating disk of the fire-resistant wire and cable testing device of the present invention.

[0034] Figure 6 It is a schematic diagram of the unfolded three-dimensional structure of the synchronous fixing assembly of the fire-resistant wire and cable inspection device of the present invention.

[0035] Figure 7 It is a schematic diagram of the main cross-sectional three-dimensional structure of the inspection platform of the fire-resistant wire and cable inspection device of the present invention.

[0036] Figure 8 It is a side view and a cross-sectional three-dimensional structure schematic diagram of the blocking cover of the fire-resistant wire and cable inspection device of the present invention.

[0037] Description of reference numerals:

[0038] 1. Inspection table; 2. Blocking cover; 3. Glass observation window; 4. Operation compartment door; 5. Annular flame heater;

[0039] 6. Cable fixing component; 61. Base 1; 62. Base 2; 63. Fixing ring; 64. Rotating disk; 65. Installation opening; 66. Clamping block; 67. Telescopic rod; 68. Spring; 69. Synchronous fixing assembly; 691. Limiting cylinder; 692. Communication opening; 693. Pull rod; 694. Bushing block; 695. Connecting rod; 696. Stop block; 697. Through hole; 698. Restriction opening;

[0040] 7. First moving part; 71. Moving block; 72. Threaded rod 1; 73. Motor 1; 74. Slide rail; 75. Sliding block;

[0041] 8. Rotating component; 81. Mounting cavity; 82. Motor 2; 83. Rotating rod; 84. Rotating gear; 85. External gear; 86. Telescopic square tube; 87. Connecting notch;

[0042] 9. The second moving part; 91. The third motor; 92. The second threaded rod; 93. The internal threaded sleeve block; 94. The auxiliary sliding rod; 95. The auxiliary sleeve block. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0044] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0045] Example 1

[0046] Reference Figure 1-6 , which is the first embodiment of the present invention, provides a fire-resistant wire and cable inspection device, the fire-resistant wire and cable inspection device comprises an inspection table 1 and a blocking cover 2 installed on the top of the inspection table 1, a glass observation window 3 embedded in one end of the inspection table 1, through which the fire resistance inspection of the cable in the blocking cover 2 can be conveniently observed, an operation compartment door 4 hinged on both sides of the inspection table 1, used to place the cable into the blocking cover 2 for inspection operation, and an annular flame heater 5 arranged in the inner cavity of the blocking cover 2, the annular flame heater 5 is used to perform a fire resistance test on the cable, a cable fixing component 6 arranged on both sides of the top of the inspection table 1 and located in the inner cavity of the blocking cover 2, a first moving component 7 arranged on the cable fixing component 6, a rotating component 8 arranged in the inner cavity of the inspection table 1, and a second moving component 9 arranged in the inner cavity of the blocking cover 2 for driving the annular flame heater 5 to move;

[0047] The cable fixing component 6 includes a base 1 61 fixed on one side of the top of the inspection table 1, a base 2 62 installed on the other side of the top of the inspection table 1, a fixing ring 63 fixedly installed on the top of the base 1 61 and the base 2 62, a rotating disk 64 rotatably connected to the inner wall of the fixing ring 63, a plurality of mounting openings 65 opened on one side of the rotating disk 64, a telescopic rod 67 fixedly installed on the inner wall of the mounting opening 65, a clamping block 66 fixedly installed on the end of the telescopic rod 67 away from the mounting opening 65, a spring 68 sleeved on the surface of the telescopic rod 67, and a synchronous fixing component 69 arranged on one side of the rotating disk 64.

[0048] The synchronous fixing assembly 69 includes a limit cylinder 691 fixedly mounted on one side of the rotating disk 64, a through hole 697 provided on the side of the limit cylinder 691 away from the rotating disk 64, two sets of limit openings 698 provided on the side of the limit cylinder 691 away from the rotating disk 64, and the limit openings 698 and the through hole 697 are connected to each other, a plurality of communication openings 692 provided on the surface of the limit cylinder 691, and a telescopic pull rod 693 rotatably mounted on the side of the inner cavity of the limit cylinder 691 away from the through hole 697, and the telescopic pull rod 693 extends through the through hole 697. It extends to the outside of the limit cylinder 691, and the sleeve block 694 is rotatably sleeved on the surface of the telescopic rod 693. Multiple groups of connecting rods 695 are arranged on the surface of the sleeve block 694, and the connecting rods 695 extend to the outside of the limit cylinder 691 through the connecting port 692 and are hinged to one side of the clamping block 66. Two groups of blocking blocks 696 are fixedly installed on one end of the surface of the telescopic rod 693, and the blocking blocks 696 and the limiting opening 698 are adapted to each other. The telescopic rod 693 can be limited by the blocking blocks 696 and the limiting opening 698.

[0049] The first movable component 7 includes a movable block 71 fixedly mounted on the top of a group of fixed rings 63, and the movable block 71 and the base 2 62 are located on the same group of fixed rings 63, a motor 1 73 fixedly mounted on one side of the top of the inner cavity of the blocking cover 2, a threaded rod 1 72 connected to the output end of the motor 1 73, and one end of the threaded rod 1 72 passes through the movable block 71 and is rotatably connected to one side of the blocking cover 2, the first movable component 7 also includes slide rails 74 opened at both ends of the top of the inspection table 1, a slider 75 slidably connected to the inner side of the slide rails 74, and the top of the slider 75 and the bottom of the base 2 62 are interconnected, so as to provide auxiliary support for the base 2 62 and improve the stability of the base 2 62 when moving.

[0050] During use, first start the motor 73 to drive the threaded rod 72 to rotate, so that the moving block 71 moves on the surface of the threaded rod 72, and then the rotating disk 64 on the base 62 can be moved to the side close to the rotating disk 64 on the base 61, and then the operating compartment door 4 on the side of the blocking cover 2 close to the rotating disk 64 on the base 61 is opened, and then the multiple cables that need to be inspected are passed through the installation openings 65 on the two groups of rotating disks 64 in turn. Then, when the cables that need to be inspected are placed, the telescopic pull rod 693 on the limiting cylinder 691 on one side of the rotating disk 64 on the rotating base 62 is rotated, so that the two groups of blocking blocks 696 on the telescopic pull rod 693 move and overlap with the two groups on the limiting cylinder 691, and then the telescopic pull rod 693 is released, and the resilience of the spring 68 is used to drive the telescopic rod 67 to extend, and the clamping block 66 is pushed into the inner cavity of the installation opening 65, and then the cable passing through the installation opening 65 can be clamped and fixed;

[0051] Then start the motor 73 to drive the threaded rod 72 to rotate, so that the moving block 71 moves on the surface of the threaded rod 72, and then the rotating disk 64 on the base 62 can be moved to the side away from the rotating disk 64 on the base 61. At this time, the above operation can be repeated to fix and install multiple cables placed on the rotating disk 64 on the base 61, and then the fire resistance inspection operation can be performed on the two groups of cables fixed on the rotating disks 64 through the annular flame heater 5.

[0052] Example 2

[0053] Reference Figure 1-8 , is the second embodiment of the present invention, which is different from the first embodiment in that: the second moving component 9 includes a motor 3 91 fixedly mounted on one end of the bottom of one side of the inner cavity of the blocking cover 2, a threaded rod 2 92 connected to the output end of the motor 3 91, and one end of the threaded rod 2 92 is rotatably connected to one side of the inner cavity of the blocking cover 2, and an internal threaded sleeve block 93 threadedly sleeved on the surface of the threaded rod 2 92, and the internal threaded sleeve block 93 and the surface of the annular flame heater 5 are connected to each other.

[0054] The second movable component 9 also includes an auxiliary sliding rod 94 fixedly installed at one end of the bottom of both sides of the inner cavity of the blocking cover 2, and an auxiliary sleeve block 95 slidably sleeved on the surface of the auxiliary sliding rod 94, and the auxiliary sleeve block 95 and the surface of the annular flame heater 5 are connected to each other, which is convenient for auxiliary support of the annular flame heater 5 and improves the stability of the annular flame heater 5 when moving.

[0055] During use, when it is necessary to install the cable for fire resistance inspection, first start the motor three 91 to drive the threaded rod two 92 to rotate, and then make the internal threaded sleeve 93 move on the surface of the threaded rod two 92, thereby driving the annular flame heater 5 close to the rotating disk 64 on the base one 61, and then start the motor one 73 to move the rotating disk 64 on the base two 62 to the side close to the rotating disk 64 on the base one 61. At this time, the annular flame heater 5 is placed between the two groups of rotating disks 64. Subsequently, when all the cables that need to be fire-resistant inspected are fixedly installed on the two groups of rotating disks 64 and stretched and unfolded, the annular flame heater 5 can be started for fire resistance inspection operation. At the same time, the motor three 91 can be started to drive the annular flame heater 5 to move on the surface of multiple cables, thereby realizing fire resistance inspection operations on different positions of the cables according to experimental requirements.

[0056] The remaining structures are the same as those of Example 1.

[0057] Example 3

[0058] Reference Figure 1-8, which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that: the rotating component 8 includes an installation cavity 81 opened inside the inspection table 1, a motor 2 82 fixedly installed on one side of the inner cavity of the installation cavity 81, and a rotating rod 83 connected to the output end of the motor 2 82, and one end of the rotating rod 83 is rotatably connected to one side of the inner cavity of the installation cavity 81, the rotating component 8 also includes connecting slots 87 opened on both sides of the top of the inspection table 1, and the connecting slots 87 penetrate the inspection table 1, an external gear 85 fixedly installed on one side of the rotating disk 64, and a rotating gear 84 fixedly sleeved on both ends of the surface of the rotating rod 83, and the rotating gear 84 extends to the top of the inspection table 1 through the connecting slots 87 and meshes with the external gear 85, and a telescopic square tube 86 fixedly installed on one side of the two groups of rotating disks 64 close to each other. The setting of the telescopic square tube 86 can fix the two groups of rotating disks 64 and make them rotate more synchronously and stably. The setting of the connecting slots 87 facilitates the placement of the rotating gear 84 and facilitates the meshing with the external gear 85.

[0059] During use, when multiple cables are fixed to the rotating disk 64 on the second base 62, the motor 1 73 is started to drive the rotating disk 64 on the second base 62 to move and reset. When the rotating disk 64 on the second base 62 moves to the side away from the rotating disk 64 on the first base 61, the outer gear 85 on one side of the rotating disk 64 on the second base 62 and a group of rotating gears 84 on the rotating rod 83 are meshed with each other.

[0060] Finally, when the annular flame heater 5 is started to perform a fire resistance test on the cable, the motor 2 82 can be started to drive the rotating rod 83 to rotate, and then drive the rotating gear 84 to rotate. By utilizing the mutual engagement between the rotating gear 84 and the outer gear 85, the rotating disk 64 can rotate on the inner wall of the fixed ring 63, and then drive multiple cables to rotate inside the annular flame heater 5, so that the annular flame heater 5 can burn multiple cables more evenly, thereby improving the effect of the fire resistance test.

[0061] The remaining structure is the same as that of Example 2.

[0062] Example 4

[0063] Reference Figure 1-8 , which is a fourth embodiment of the present invention, provides: a method for using a fire-resistant wire and cable inspection device, comprising the following steps,

[0064] S1, first start the motor 2 82 to make the annular flame heater 5 close to the rotating disk 64 on the base 1 61, then start the motor 1 73 to make the rotating disk 64 on the base 2 62 close to the annular flame heater 5;

[0065] S2, then the multiple cables to be inspected are sequentially passed through the installation openings 65 on the two sets of rotating disks 64, and also passed through the annular flame heater 5;

[0066] S3, the cable placed in the rotating disk 64 on the second base 62 is clamped and fixed by the synchronous fixing component 69, and then the motor 1 73 is started, so that the rotating disk 64 on the second base 62 drives the cable to move to the side of the blocking cover 2 away from the first base 61, and then the cable in the rotating disk 64 on the first base 61 is clamped and fixed by the synchronous fixing component 69;

[0067] S4, then start the annular flame heater 5 to perform fire resistance test on the cable, and at the same time start the motor 2 82 so that the annular flame heater 5 can move left and right on the surface of the cable;

[0068] S5, the motor 2 82 can be started at the same time to rotate the two sets of rotating disks 64, and then drive the multiple cables to rotate, and drive the multiple cables to rotate inside the annular flame heater 5 to ensure that all parts of the cable can be evenly heated to complete the fire resistance inspection operation.

[0069] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A fire-resistant wire and cable inspection device, comprising an inspection platform (1) and a blocking cover (2) arranged on the top of the inspection platform (1), a glass observation window (3) arranged at one end of the inspection platform (1), operating chamber doors (4) arranged on both sides of the inspection platform (1), and an annular flame heater (5) arranged in the inner cavity of the blocking cover (2), characterized in that: A cable fixing component (6) arranged on both sides of the top of the inspection table (1) and located in the inner cavity of the blocking cover (2), a first moving component (7) arranged on the cable fixing component (6), a rotating component (8) arranged in the inner cavity of the inspection table (1), and a second moving component (9) arranged in the inner cavity of the blocking cover (2) for driving the annular flame heater (5) to move; The cable fixing component (6) comprises a base 1 (61) arranged on one side of the top of the inspection platform (1), a base 2 (62) arranged on the other side of the top of the inspection platform (1), a fixing ring (63) arranged on the top of the base 1 (61) and the base 2 (62), a rotating disk (64) arranged on the inner wall of the fixing ring (63), a plurality of groups of mounting openings (65) arranged on one side of the rotating disk (64), a telescopic rod (67) arranged on the inner wall of the mounting opening (65), a clamping block (66) arranged on one end of the telescopic rod (67) away from the mounting opening (65), a spring (68) arranged on the surface of the telescopic rod (67), and a synchronous fixing component (69) arranged on one side of the rotating disk (64).

2. The fire-resistant wire and cable inspection device according to claim 1, characterized in that: The synchronous fixing assembly (69) comprises a limiting cylinder (691) arranged on one side of the rotating disk (64), a through hole (697) arranged on the side of the limiting cylinder (691) away from the rotating disk (64), two groups of limiting openings (698) arranged on the side of the limiting cylinder (691) away from the rotating disk (64), and the limiting openings (698) and the through hole (697) are connected to each other, a plurality of groups of communication openings (692) arranged on the surface of the limiting cylinder (691), and a telescopic pull rod (697) arranged on the side of the inner cavity of the limiting cylinder (691) away from the through hole (697). 93), and the telescopic pull rod (693) extends to the outside of the limiting cylinder (691) through the through hole (697), a sleeve block (694) is arranged on the surface of the telescopic pull rod (693), and multiple groups of connecting rods (695) are arranged on the surface of the sleeve block (694), and the connecting rods (695) extend to the outside of the limiting cylinder (691) through the connecting port (692) and are hinged to one side of the clamping block (66), and two groups of blocking blocks (696) are arranged at one end of the surface of the telescopic pull rod (693), and the blocking blocks (696) and the limiting through port (698) are adapted to each other.

3. The fire-resistant wire and cable inspection device according to claim 2, characterized in that: The first moving component (7) comprises a moving block (71) arranged on the top of a group of the fixing rings (63), and the moving block (71) and the base (62) are located on the same group of the fixing rings (63), a motor (73) arranged on one side of the top of the inner cavity of the blocking cover (2), and a threaded rod (72) arranged at the output end of the motor (73), and one end of the threaded rod (72) passes through the moving block (71) and is rotatably connected to one side of the blocking cover (2).

4. The fire-resistant wire and cable inspection device according to claim 3 is characterized in that: The first moving component (7) also includes slide rails (74) arranged at both ends of the top of the inspection platform (1), and a slider (75) arranged inside the slide rails (74), and the top of the slider (75) and the bottom of the second base (62) are connected to each other.

5. The fire-resistant wire and cable inspection device according to claim 4, characterized in that: The rotating component (8) comprises a mounting cavity (81) arranged inside the inspection table (1), a second motor (82) arranged at one side of the inner cavity of the mounting cavity (81), and a rotating rod (83) arranged at the output end of the second motor (82), and one end of the rotating rod (83) is rotatably connected to one side of the inner cavity of the mounting cavity (81).

6. The fire-resistant wire and cable inspection device according to claim 5, characterized in that: The rotating component (8) further comprises connecting slots (87) arranged on both sides of the top of the inspection platform (1), and the connecting slots (87) penetrate the inspection platform (1), an external gear (85) arranged on one side of the rotating disk (64), and rotating gears (84) arranged on both ends of the surface of the rotating rod (83), and the rotating gears (84) extend to the top of the inspection platform (1) through the connecting slots (87) and mesh with the external gears (85), and a telescopic square tube (86) arranged on the side where the two sets of rotating disks (64) are close to each other.

7. The fire-resistant wire and cable inspection device according to claim 6, characterized in that: The second moving component (9) comprises a motor three (91) arranged at one end of the bottom of one side of the inner cavity of the blocking cover (2), a threaded rod two (92) arranged at the output end of the motor three (91), and one end of the threaded rod two (92) is rotatably connected to one side of the inner cavity of the blocking cover (2), and an internal threaded sleeve (93) is arranged on the surface of the threaded rod two (92), and the internal threaded sleeve (93) and the surface of the annular flame heater (5) are connected to each other.

8. The fire-resistant wire and cable inspection device according to claim 7, characterized in that: The second moving component (9) further comprises an auxiliary sliding rod (94) arranged at one end of the bottom of both sides of the inner cavity of the blocking cover (2), and an auxiliary sleeve block (95) arranged on the surface of the auxiliary sliding rod (94), and the auxiliary sleeve block (95) and the surface of the annular flame heater (5) are connected to each other.

9. A method for using a fire-resistant wire and cable inspection device, which is applied to the fire-resistant wire and cable inspection device as claimed in claim 8, characterized in that: The following steps are included: S1, first start the motor 2 (82) to make the annular flame heater (5) close to the rotating disk (64) on the base 1 (61), then start the motor 1 (73) to make the rotating disk (64) on the base 2 (62) close to the annular flame heater (5); S2, then pass the plurality of cables to be inspected through the installation openings (65) on the two sets of rotating disks (64) in sequence, and also pass through the annular flame heater (5); S3, firstly clamp and fix the cable placed in the rotating disk (64) on the second base (62) by using the synchronous fixing assembly (69), then start the motor (73), so that the rotating disk (64) on the second base (62) drives the cable to move to the side of the blocking cover (2) away from the first base (61), and then clamp and fix the cable in the rotating disk (64) on the first base (61) by using the synchronous fixing assembly (69); S4, then start the annular flame heater (5) to perform a fire resistance test on the cable, and at the same time start the motor 2 (82) so that the annular flame heater (5) can be moved left and right on the surface of the cable; S5, the second motor (82) can be started at the same time to rotate the two sets of rotating disks (64), which can then drive the multiple cables to rotate, and can drive the multiple cables to rotate inside the annular flame heater (5), ensuring that all parts of the cables can be evenly heated, completing the fire resistance inspection operation.

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