A cable fire resistance testing apparatus

Abstract

The utility model belongs to cable detection equipment technical field discloses a kind of cable fire resistance test equipment, the existing test equipment is rotated by the mode of driving cable, so that cable different position is heated, this mode needs to cut off cable, there is inconvenience in use process, the technical scheme of the utility model example, including the box of top surface opening, the top surface of box is hingedly installed with cover plate, two sides of box are respectively provided with through-hole, and clamping structure is respectively arranged at the through-hole of two sides of box, the top surface of cover plate is provided with exhaust device, moving ring is arranged in the box, moving device for driving moving ring to move left and right is arranged in the box, the inner wall of moving ring is provided with sliding slot, sliding block is arranged in sliding slot, the utility model can adjust the fire angle of card type flame gun by rotating device, the position of card type flame gun can be adjusted by moving device, so that cable is heated from different position and different angle, convenient to use.

Description

Technical Field

[0001] This utility model belongs to the technical field of cable testing equipment, specifically relating to a cable fire resistance testing device. Background Technology

[0002] Cables are typically rope-like wires made up of several or groups of conductors twisted together. Each group of conductors is insulated from each other and is often twisted around a central core. The entire cable is covered with a highly insulating outer layer. Cables are characterized by being internally energized and externally insulated. There are power cables, control cables, compensating cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of conductors and insulation layers, and are used to connect circuits, electrical appliances, etc. Before the development and production of cables, multiple tests are required to ensure the reliability of the cables. Among these tests, the fire resistance test is extremely important. In the prior art, Chinese patent with publication number CN221377849U discloses a cable fire resistance testing device. This prior art heats different parts of the cable by rotating it. This method requires cutting the cable, which is inconvenient during use. Utility Model Content

[0003] To address the shortcomings of the existing technology, the present invention aims to provide a cable fire resistance testing device. This device allows for adjustment of the firing angle of the cartridge-type flame gun via a rotating device and adjustment of the position of the cartridge-type flame gun via a moving device, thereby heating the cable from different positions and angles, making it convenient to use.

[0004] The technical solution adopted by this cable fire resistance testing equipment to solve its technical problems is as follows: A cable fire resistance testing device is provided, including a box with an open top surface, a cover plate hinged to the top surface of the box, through holes on both sides of the box, a clamping structure at each through hole, an exhaust device on the top surface of the cover plate, a movable ring inside the box, a moving device inside the box that drives the movable ring to move left and right, a sliding groove on the inner wall of the movable ring, a slider inside the sliding groove, a cartridge-type flame gun fixedly mounted on the slider, and a rotating device inside the box that drives the slider to rotate along the sliding groove.

[0005] Furthermore, the moving device includes a limiting block, a limiting groove, a moving motor, and a screw. The limiting groove is formed on the bottom surface of the housing, the limiting block is located in the limiting groove and can slide along it, the top surface of the limiting block is fixedly connected to the outer periphery of the moving ring, the screw passes through the limiting block and is threadedly engaged, the moving motor is fixedly installed on one side of the housing, the output shaft of the moving motor passes through the housing and is rotatably connected, and the output shaft of the moving motor is fixedly connected to one end of the screw.

[0006] Furthermore, the rotating device includes a rotating motor, a gear, a gear ring, and a guide rod. The rotating motor is fixedly installed on the other side of the housing, the gear is fixedly installed on the output shaft of the rotating motor, the gear ring is rotatably installed on one side of the inner wall of the housing, and the gear ring meshes with the gear. One end of the guide rod is fixedly connected to one side of the gear ring, and the guide rod passes through the slider and is clearance-fitted.

[0007] Furthermore, a rotating ring is rotatably installed on the other side of the inner wall of the box, and the other end of the guide rod is fixedly connected to the rotating ring.

[0008] Furthermore, the exhaust device includes an exhaust pump, the air inlet end of which is fixedly connected to one end of an air inlet pipe, the other end of which passes through a cover plate and is fixedly connected, and the air outlet end of the exhaust pump is fixedly connected to one end of an exhaust pipe.

[0009] Furthermore, a filter box is installed on the air intake pipe, and filter material is installed inside the filter box.

[0010] Furthermore, the clamping structure includes a mounting plate, a movable rod, a clamping plate, and a spring. Two mounting plates are fixedly installed on both sides of the housing. Two movable rods pass through the corresponding mounting plates and are fitted with clearance. The clamping plate is fixedly installed at the near ends of the movable rods. The spring is located between the clamping plate and the corresponding mounting plate. The movable rods pass through the corresponding springs.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model provides a cable fire resistance testing device. The cable to be tested is passed through the through hole into the housing. The user opens the cartridge-type flame gun, closes the cover, and opens the exhaust device. A moving device drives a moving ring to move, which in turn moves the cartridge-type flame gun left and right via a slide groove and a slider, thus heating different parts of the cable. A rotating device drives the slider to slide along the slide groove, thereby adjusting the angle of the cartridge-type flame gun and heating the cable at different angles. Compared with the prior art, this utility model allows for adjustment of the flame angle of the cartridge-type flame gun via the rotating device and adjustment of its position via the moving device, thus heating the cable from different positions and angles, making it convenient to use.

[0012] 2. In a cable fire resistance testing device according to this utility model, when the moving motor is turned on, the output shaft of the moving motor rotates, which drives the screw to rotate. The rotation of the screw causes the limit block to move left and right, which in turn drives the movable ring to move left and right.

[0013] 3. The cable fire resistance testing device of this utility model, when turned on, rotates the output shaft of the rotating motor, which drives the gear ring to rotate through the gear. The rotation of the gear ring drives the guide rod to move, and the guide rod drives the slider to move along the slide groove. The rotating device has a simple structure and is easy to use.

[0014] 4. In the example of the cable fire resistance testing equipment of this utility model, the swivel ring can support and fix the other end of the guide rod, making the guide rod more stable when it moves.

[0015] 5. In a cable fire resistance testing device according to this utility model, when the exhaust pump is turned on, the exhaust pump can discharge the gas inside the box along the air inlet pipe and the exhaust pipe.

[0016] 6. In the example of this utility model, a cable fire resistance testing device has a filter material in the filter box that can filter the exhaust gas and reduce the emission hazards.

[0017] 7. The cable fire resistance testing equipment of this utility model is characterized by a clamping plate that can clamp and fix the cable under the influence of the spring force. The clamping device has a simple structure and is easy to use. Attached Figure Description

[0018] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] In the diagram: 1. Box body; 2. Cover plate; 3. Moving ring; 4. Slider; 5. Cartridge-type flamethrower; 6. Moving motor; 7. Screw; 8. Rotating motor; 9. Gear; 10. Gear ring; 11. Guide rod; 12. Rotating ring; 13. Exhaust pump; 14. Filter box; 15. Mounting plate; 16. Movable rod; 17. Clamping plate; 18. Spring. Detailed Implementation

[0020] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] like Figure 1As shown, a cable fire resistance testing device includes a box 1 with an open top surface. A cover plate 2 is hinged to the top surface of the box 1. Through holes are opened on both sides of the box 1, and clamping structures are provided at the through holes on both sides of the box 1. An exhaust device is provided on the top surface of the cover plate 2. A movable ring 3 is provided inside the box 1. A moving device is provided inside the box 1 to drive the movable ring 3 to move left and right. A sliding groove is provided on the inner wall of the movable ring 3. A slider 4 is provided in the sliding groove. A cartridge-type flame gun 5 is fixedly installed on the slider 4. A cartridge-type gas cylinder is installed on the cartridge-type flame gun 5. A rotating device is provided inside the box 1 to drive the slider 4 to rotate along the sliding groove. The cable to be tested is passed through the through hole into the housing 1. The user opens the cartridge-type flame gun 5, closes the cover plate 2, and opens the exhaust device. The moving device can drive the moving ring 3 to move. The movement of the moving ring 3 can drive the cartridge-type flame gun 5 to move left and right through the slide groove and slider 4, thereby heating different positions of the cable. The rotating device can drive the slider 4 to slide along the slide groove, thereby adjusting the angle of the cartridge-type flame gun 5, so as to heat the cable at different angles. Compared with the prior art, this utility model can adjust the flame angle of the cartridge-type flame gun 5 through the rotating device and adjust the position of the cartridge-type flame gun 5 through the moving device, so as to heat the cable from different positions and angles, which is convenient to use.

[0023] like Figure 1 As shown, in a further preferred embodiment, the moving device includes a limiting block, a limiting groove, a moving motor 6, and a screw 7. The limiting groove is formed on the bottom surface of the housing 1, the limiting block is located within the limiting groove and can slide along it, the top surface of the limiting block is fixedly connected to the outer periphery of the moving ring 3, the screw 7 passes through the limiting block and is threadedly engaged, the moving motor 6 is fixedly installed on one side of the housing 1, the output shaft of the moving motor 6 passes through the housing 1 and is rotatably connected, and the output shaft of the moving motor 6 is fixedly connected to one end of the screw 7. When the moving motor 6 is turned on, the output shaft of the moving motor 6 rotates, which drives the screw 7 to rotate. The rotation of the screw 7 causes the limiting block to move left and right, thereby driving the moving ring 3 to move left and right.

[0024] like Figure 1 As shown, in a further preferred embodiment, the rotating device includes a rotating motor 8, a gear 9, a gear ring 10, and a guide rod 11. The rotating motor 8 is fixedly installed on the other side of the housing 1. The gear 9 is fixedly installed on the output shaft of the rotating motor 8. The gear ring 10 is rotatably installed on one side of the inner wall of the housing 1, meshing with the gear 9. The center line of the gear ring 9 and the moving ring 3 are collinear. One end of the guide rod 11 is fixedly connected to one side of the gear ring 9, and the guide rod 11 passes through the slider 4 with a clearance fit. When the rotating motor 8 is turned on, the output shaft of the rotating motor 8 rotates, which drives the gear ring 10 to rotate via the gear 9. The rotation of the gear ring 10 drives the guide rod 11 to move, and the guide rod 11 drives the slider 4 to move along the slide groove. This rotating device has a simple structure and is easy to use.

[0025] like Figure 1 As shown, in a further preferred embodiment, a rotating ring 12 is rotatably mounted on the other side of the inner wall of the housing 1. The rotating ring 12 is collinear with the center line of the moving ring 3, and the other end of the guide rod 10 is fixedly connected to the rotating ring 12. The rotating ring 12 can support and fix the other end of the guide rod 10, making the guide rod 10 more stable when moving.

[0026] like Figure 1 As shown, in a further preferred embodiment, the exhaust device includes an exhaust pump 13. The inlet end of the exhaust pump 13 is fixedly connected to one end of an inlet pipe, and the other end of the inlet pipe passes through the cover plate 2 and is fixedly connected. The outlet end of the exhaust pump 13 is fixedly connected to one end of an exhaust pipe, which is a flexible hose. When the exhaust pump 13 is turned on, it can discharge the gas inside the housing 1 along the inlet and outlet pipes.

[0027] like Figure 1 As shown, in a further preferred embodiment, a filter box 14 is provided on the air intake pipe, and filter material and activated carbon are provided inside the filter box 14. The filter material inside the filter box 14 can filter the exhaust gas and reduce emission hazards.

[0028] like Figure 1 As shown, in a further preferred embodiment, the clamping structure includes a mounting plate 15, a movable rod 16, a clamping plate 17, and a spring 18. Two mounting plates 15 are fixedly installed on both sides of the housing 1, respectively. The mounting plates 15 are positioned on the upper and lower sides of the through hole. Two movable rods 16 pass through the corresponding mounting plates 15 and are fitted with a clearance. The clamping plate 17 is fixedly installed at the adjacent ends of the movable rods 16. The spring 18 is positioned between the clamping plate 17 and the corresponding mounting plate 15, and the movable rods 16 pass through the corresponding springs 18. Due to the elastic force of the springs 18, the clamping plate 17 can clamp and fix the cable. This clamping device has a simple structure and is easy to use.

[0029] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

[0030] Apart from the technical features described in the specification, the other technical features are known to those skilled in the art. To highlight the innovative features of this utility model, the other technical features will not be described in detail here.

Claims

1. A cable fire resistance testing device, comprising a box (1) with an open top surface, a cover plate (2) hinged to the top surface of the box (1), through holes on both sides of the box (1), and a clamping structure provided at each through hole on both sides of the box (1), characterized in that, An exhaust device is provided on the top surface of the cover plate (2). A movable ring (3) is provided inside the box (1). A moving device is provided inside the box (1) to move the movable ring (3) left and right. A sliding groove is provided on the inner wall of the movable ring (3). A slider (4) is provided inside the sliding groove. A cartridge flame gun (5) is fixedly installed on the slider (4). A rotating device is provided inside the box (1) to drive the slider (4) to rotate along the sliding groove.

2. The cable fire resistance testing equipment according to claim 1, characterized in that, The moving device includes a limiting block, a limiting groove, a moving motor (6) and a screw (7). The limiting groove is opened on the bottom surface of the housing (1). The limiting block is located in the limiting groove and can slide along it. The top surface of the limiting block is fixedly connected to the outer periphery of the moving ring (3). The screw (7) passes through the limiting block and is threadedly engaged. The moving motor (6) is fixedly installed on one side of the housing (1). The output shaft of the moving motor (6) passes through the housing (1) and is rotatably connected. The output shaft of the moving motor (6) is fixedly connected to one end of the screw (7).

3. The cable fire resistance testing equipment according to claim 1, characterized in that, The rotating device includes a rotating motor (8), a gear (9), a gear ring (10), and a guide rod (11). The rotating motor (8) is fixedly installed on the other side of the housing (1). The gear (9) is fixedly installed on the output shaft of the rotating motor (8). The gear ring (10) is rotatably installed on one side of the inner wall of the housing (1). The gear ring (10) meshes with the gear (9). One end of the guide rod (11) is fixedly connected to one side of the gear ring (10). The guide rod (11) passes through the slider (4) and is clearance-fitted.

4. The cable fire resistance testing equipment according to claim 3, characterized in that, A rotating ring (12) is rotatably installed on the other side of the inner wall of the box (1), and the other end of the guide rod (11) is fixedly connected to the rotating ring (12).

5. The cable fire resistance testing equipment according to claim 1, characterized in that, The exhaust device includes an exhaust pump (13), the air inlet end of the exhaust pump (13) is fixedly connected to one end of the air inlet pipe, the other end of the air inlet pipe passes through the cover plate (2) and is fixedly connected, and the air outlet end of the exhaust pump (13) is fixedly connected to one end of the exhaust pipe.

6. The cable fire resistance testing equipment according to claim 5, characterized in that, A filter box (14) is provided on the air intake pipe, and filter material is provided inside the filter box (14).

7. A cable fire resistance testing device according to any one of claims 1-6, characterized in that, The clamping structure includes a mounting plate (15), a movable rod (16), a clamping plate (17), and a spring (18). Two mounting plates (15) are fixedly installed on both sides of the housing (1). Two movable rods (16) pass through the corresponding mounting plates (15) and are fitted with clearance. The clamping plate (17) is fixedly installed at the near end of the movable rod (16). The spring (18) is set between the clamping plate (17) and the corresponding mounting plate (15). The movable rod (16) passes through the corresponding spring (18).

Images