Device for detecting bending degree of insulated fireproof cable
By combining components such as electric push rods and gears, rapid and efficient bending degree detection of insulated fireproof cables is achieved, solving the problem of low detection efficiency of existing devices and improving detection efficiency and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-06
AI Technical Summary
Existing bending test devices cannot quickly and efficiently test insulated fireproof cables. The testing process is cumbersome, increases the workload of operators, and affects testing efficiency and convenience.
By employing a combination of components such as electric push rods, gears, racks, connecting rods, and threaded rods, rapid bending degree detection of insulated fireproof cables can be achieved. The electric push rod drives the top plate and pressure plate to move, the connecting rod flips, and the threaded rod drives the vertical plate and arc ring to move downward, applying tensile force for detection.
It improves the efficiency and convenience of testing the bending degree of insulated fireproof cables, simplifies the testing process, and greatly enhances ease of use.
Smart Images

Figure CN223977032U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fireproof cable technology, and in particular to a device for detecting the bending degree of insulated fireproof cables. Background Technology
[0002] Fire-resistant insulated cables are one type of cable. They do not cause fires, cannot burn or support combustion, and do not produce toxic gases. Even if there is an external flame, the cable can still work normally, providing a foolproof guarantee for fire protection circuits. After the production of fire-resistant insulated cables, a bending degree test is required to test the bending resistance of the cables and ensure that the fire-resistant insulated cables leaving the factory have good quality.
[0003] Current bending test devices typically employ a method of attaching weighted binders of varying amounts to the bottom of the insulated fire-resistant cable to provide downward tensile force, ensuring stable bending testing. The binders are then removed after testing. However, traditional bending test devices are inefficient and slow in detecting the bending degree of insulated fire-resistant cables, and the testing process is cumbersome, increasing the operator's workload and thus affecting the efficiency and ease of use. Therefore, those skilled in the art have provided an insulated fire-resistant cable bending test device to address the problems described in the background section. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a device for detecting the bending degree of insulated fireproof cables. This solves the problems mentioned in the background technology, such as the inability to quickly and efficiently detect the bending degree of insulated fireproof cables, the cumbersome detection process, the increased workload of operators, the impact on the efficiency of bending degree detection of insulated fireproof cables, and the resulting low ease of use.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an insulated fireproof cable bending degree detection device, including a workbench and a base, square plates are fixedly installed on the front and rear outer walls of the workbench, two support plates are symmetrically installed on the outer top surface of the workbench, and two mounting blocks are rotatably connected between the two support plates, and test components for detecting the bending degree of the cable are provided inside the two mounting blocks;
[0006] The base is internally equipped with a tensioning component for driving the cable downward.
[0007] The test assembly includes symmetrically arranged through square openings on the outer walls of two mounting blocks, with pressure plates inside the openings. Connecting rods are fixedly installed on the front outer walls of the two mounting blocks, while round rods are fixedly installed on the rear outer walls. The opposite ends of the two connecting rods and round rods extend to the opposite outer walls of the two support plates. Meanwhile, a gear is fixedly installed on the outer surface of the front side of the workbench, located on the outer periphery of the two connecting rods. An electric push rod is fixedly installed at the center of the outer wall of one of the support plates. The output end of the electric push rod is fixedly connected to a top plate. A rack is fixedly installed on the left and right ends of the outer bottom surface of the top plate.
[0008] As a further technical solution of this utility model, the stretching assembly includes symmetrically opened sliding grooves on the outer top surface of the workbench. Vertical plates are slidably connected inside the two sliding grooves. Return springs are fixedly installed at the center of the top of the two vertical plates. Connecting blocks are fixedly installed at one end of the two return springs. Arc-shaped rings are fixedly installed at the top of the two connecting blocks. At the same time, the sides of the two connecting blocks that are close to the vertical plates are slidably connected to each other through guide rods.
[0009] As a further technical solution of this utility model, the bottom ends of the two vertical plates are provided with screw holes, and threaded rods are sleeved inside the two screw holes. The threads on the two threaded rods are opposite in direction. At the same time, one end of the two threaded rods extends through the sliding groove to the outer bottom surface of the workbench, and gears are fixedly installed on the outer peripheral surface of each. An electric push rod is fixedly installed on the outer bottom surface of the workbench. A moving plate is fixedly installed at the output end of the electric push rod. A horizontal plate is fixedly installed on the left side of the moving plate and between the two gears.
[0010] As a further technical solution of this utility model, racks are fixedly installed on the front and rear outer walls of the horizontal plate, and the two gears are meshed with the racks. A through-type straight groove is opened on the outer bottom surface of the horizontal plate, and an I-shaped slider is fixedly installed on the outer bottom surface of the workbench corresponding to the straight groove. The horizontal plate is slidably connected to the I-shaped slider.
[0011] As a further technical solution of this utility model, threaded rods are fixedly installed at the top center of each of the four pressure plates. One end of each of the four threaded rods extends through the square opening to the outer top surface of the mounting block, and a knob is fixedly installed on the outer peripheral surface. At the same time, the two racks and gears are meshed together.
[0012] As a further technical solution of this utility model, a load-bearing plate is fixedly installed at the bottom of the two square plates.
[0013] This utility model provides a device for detecting the bending degree of insulated fireproof cables, which has the following advantages compared with the prior art:
[0014] 1. This design provides a bending degree detection device for insulated fireproof cables. Through the cooperation of an electric push rod, a gear, a rack, and a connecting rod, two mounting blocks can be driven to rotate in opposite or relative directions. Under the action of the tensioning component, the bending degree of the insulated fireproof cable can be detected quickly and efficiently, thereby simplifying the detection process and effectively improving the efficiency of cable bending degree detection, greatly increasing the ease of use of the detection device.
[0015] 2. The insulated fireproof cable bending degree detection device designed in this paper, through the interaction of the electric push rod II, gear II, rack II and threaded rod I, can drive the vertical plate to move up and down inside the slide groove, thereby allowing the connecting block with the arc ring to apply a downward tensile force to the cable, thus cooperating with the test components to detect the bending degree, further improving the convenience of the test. Attached Figure Description
[0016] Figure 1 A first three-dimensional structural schematic diagram of a device for detecting the bending degree of an insulated fireproof cable;
[0017] Figure 2 This is a schematic diagram of the second three-dimensional structure of a device for detecting the bending degree of insulated fireproof cables;
[0018] Figure 3 A cross-sectional three-dimensional structural diagram of a device for detecting the bending degree of insulated fireproof cables;
[0019] Figure 4 A three-dimensional structural diagram of a test component for a device to detect the bending degree of an insulated fireproof cable;
[0020] Figure 5 This is a three-dimensional structural diagram of a tensile component of an insulated fireproof cable bending degree detection device.
[0021] In the picture:
[0022] Workbench; 101. Square plate; 102. Support plate; 103. Mounting block;
[0023] Test components; 201, square opening; 202, connecting rod; 203, round rod; 204, gear one; 205, electric push rod one; 206, top plate; 207, rack one; 208, pressure plate;
[0024] Tensioning assembly; 301, slide groove; 302, vertical plate; 303, return spring; 304, connecting block; 305, arc ring; 306, guide rod; 307, threaded rod one; 308, gear two; 309, electric push rod two; 310, moving plate; 311, horizontal plate; 312, rack two; 313, straight groove; 314, I-shaped slider;
[0025] Threaded rod two; 401, knob;
[0026] Load-bearing plate. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0028] Please see Figure 1-5 This utility model provides a technical solution for a bending degree testing device for insulated fireproof cables: It includes a workbench 1 and a base. Square plates 101 are fixedly installed on the front and rear outer walls of the workbench 1. Two support plates 102 are symmetrically installed on the top surface of the workbench 1. Two mounting blocks 103 are rotatably connected between the two support plates 102. A test assembly 2 for testing the bending degree of the cable is installed inside the two mounting blocks 103. The test assembly 2 includes symmetrically opened, through-hole square openings 201 on the outer walls of the two mounting blocks 103, and a pressure plate 208 is provided inside the square openings 201. Connecting rods 202 are fixedly installed on the front outer walls of the two mounting blocks 103, while round rods 203 are fixedly installed on the rear outer walls. The opposite ends of the two connecting rods 202 and the round rods 203 are respectively... Extending to the opposite outer walls of the two support plates 102, a gear 204 is fixedly installed on the outer side of the front of the workbench 1 and on the outer peripheral surface of the two connecting rods 202. An electric push rod 205 is fixedly installed at the center of the outer wall of one of the support plates 102. The output end of the electric push rod 205 is fixedly connected to the top plate 206. A rack 207 is fixedly installed on the left and right ends of the outer bottom surface of the top plate 206. A load-bearing plate 5 is fixedly installed at the bottom of the two square plates 101. A threaded rod 4 is rotatably installed at the center of the top of the four pressure plates 208. One end of the four threaded rods 4 extends through the square opening 201 to the outer top surface of the mounting block 103, and a knob 401 is fixedly installed on the outer peripheral surface. The two racks 207 and the gear 208 are meshed together.
[0029] In practical use, the above embodiment first passes the fireproof insulated cable to be tested through the square opening 201 and the arc ring 305. Then, by turning the knob 401, the threaded rod 4 rotates, which pushes the pressure plate 208 to move up and down inside the square opening 201, pressing and fixing both ends of the fireproof insulated cable. Next, the electric push rod 205 is activated to move the top plate 206. During the movement, the rack 207 and gear 204 mesh and rotate, which in turn causes the connecting rod 202 to work with the round rod 203 to rotate the mounting block 103 in opposite or relative directions. This allows for quick and efficient testing of the bending degree of the fireproof insulated cable, effectively improving the efficiency of cable bending degree testing and greatly increasing the ease of use of the testing device.
[0030] The base is internally equipped with a tensioning assembly 3 for driving the cable downward. The tensioning assembly 3 includes symmetrically formed grooves 301 on the outer top surface of the workbench 1. Vertical plates 302 are slidably connected inside both grooves 301. Return springs 303 are fixedly installed at the center of the top of the two vertical plates 302. Connecting blocks 304 are fixedly installed at one end of each return spring 303. Arc-shaped rings 305 are fixedly installed at the top of each connecting block 304. The sides of the two connecting blocks 304 that are close to the vertical plates 302 are slidably connected to each other via guide rods 306. Screw holes are formed at the bottom of the two vertical plates 302. Threaded rods 307 are fitted inside each screw hole, with the threads on the two threaded rods 307 running in opposite directions. One end of 307 extends through the slide groove 301 to the outer bottom surface of the worktable 1, and gears 308 are fixedly installed on the outer peripheral surface. Electric push rods 309 are fixedly installed on the outer bottom surface of the worktable 1. A moving plate 310 is fixedly installed at the output end of the electric push rods 309. A horizontal plate 311 is fixedly installed on the left outer side of the moving plate 310 and between the two gears 308. Racks 312 are fixedly installed on the front and rear outer walls of the horizontal plate 311. The two gears 308 and racks 312 are meshed. A through-type straight groove 313 is opened on the outer bottom surface of the horizontal plate 311. An I-shaped slider 314 is fixedly installed on the outer bottom surface of the worktable 1 at the location corresponding to the straight groove 313. The horizontal plate 311 is slidably connected to the I-shaped slider 314.
[0031] In practical applications, the above embodiments utilize an electric push rod 309 to drive a moving plate 310, carrying a horizontal plate 311, to reciprocate left and right within an I-shaped slider 314. This causes a rack 312 to mesh with a gear 308, which in turn drives a threaded rod to push a vertical plate 302 upward along a groove 301, allowing the insulated fireproof cable to quickly pass through an arc-shaped ring 305. Then, the electric push rod 309 is activated again to move the moving plate 310 in the opposite direction, causing the vertical plate 302 to move downward. This allows the arc-shaped ring 305 to move synchronously downward with the insulated fireproof cable. A return spring 303 applies a downward pulling force to the insulated fireproof cable, facilitating bending detection and further improving the convenience of the inspection.
[0032] The working principle of this utility model is as follows: When in use, the insulated fireproof cable to be tested is first passed through the inside of the square opening 201 and the arc ring 305. Then, the knob 401 is turned to drive the threaded rod 4 to rotate, pushing the pressure plate 208 to move inside the square opening 201 and pressing and fixing the two ends of the insulated fireproof cable respectively.
[0033] Simultaneously, the electric push rod 309 is activated to drive the moving plate 310, which carries the horizontal plate 311, to move inside the I-shaped slider 314. This causes the rack 312 to drive the gear 308 to mesh and rotate, thereby driving the threaded rod to push the vertical plate 302 downward along the slide groove 301. This allows the arc ring 305 to move the insulated fireproof cable downward synchronously, and the return spring 303 applies a downward pulling force to the insulated fireproof cable, facilitating the detection of its bending degree.
[0034] At the same time, the electric push rod 205 is activated to move the top plate 206, causing the rack 207 and gear 204 to mesh and rotate. This allows the connecting rod 202 to work with the round rod 203 to rotate the mounting block 103 in the opposite or relative direction, thus enabling the bending degree of the insulated fireproof cable to be detected quickly and efficiently.
[0035] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model are implemented according to conventional methods in the art, unless otherwise specified or limited.
Claims
1. An insulation fireproof cable bending degree detection device, characterized by, The utility model provides a cable bending degree testing device, including workbench (1) and base, the both sides outer wall of workbench (1) is fixedly installed with square board (101), the outer top surface of workbench (1) is symmetrically installed with two support plates (102), two support plates (102) are rotatably connected with two mounting blocks (103) between, two mounting blocks (103) are provided with test assembly (2) for the cable is bent and is detected in the inside for driving cable to move down, The inside of the base is provided with a stretching assembly (3) for driving the cable to move downward; Wherein, the test assembly (2) includes the square mouth (201) that symmetrically opens in the outer side wall of two mounting blocks (103) and is in through -type, and the inside of square mouth (201) is equipped with the pressing plate (208), the front side outer wall of two mounting blocks (103) is fixedly installed with connecting rod (202), and the rear side outer wall is fixedly installed with round rod (203), two connecting rod (202) and round rod (203) opposite end respectively extend to the outer side wall of two support plates (102) opposite, the outer side wall center position of one piece support plate (102) is fixedly installed with electric push rod one (205), and the output end of electric push rod one (205) is fixedly connected with the top plate (206), the outer bottom surface of top plate (206) is fixedly installed with rack one (207) on left and right two ends.
2. The device for detecting the bending degree of the fireproof cable according to claim 1, characterized in that, The stretching assembly (3) includes the slide groove (301) that symmetrically opens on the outer top surface of the workbench (1), the inside of two slide grooves (301) is slidably connected with the vertical plate (302), the top end center position of two vertical plates (302) is fixedly installed with return spring (303), one end of two return springs (303) is fixedly installed with connecting block (304), the top end of two connecting blocks (304) is fixedly installed with arc ring (305), and the face of two connecting blocks (304) and vertical plate (302) is slidably connected by guide rod (306) close to each other.
3. The device for detecting the bending degree of the fireproof cable according to claim 2, characterized in that, Two vertical plates (302) are provided with screw holes in the bottom end, two screw holes are sleeved with threaded rod one (307) in the inside, and the thread direction of two threaded rods one (307) is opposite, and one end of two threaded rods one (307) extends to the outer bottom surface of the workbench (1) through the slide groove (301), and the outer peripheral surface is fixedly installed with gear two (308), the outer bottom surface of the workbench (1) is fixedly installed with electric push rod two (309), the output end of electric push rod two (309) is fixedly installed with moving plate (310), the left side of moving plate (310) and between two gear two (308) Fixedly installed with horizontal plate (311) outside.
4. The bend degree detection device for an insulated fireproof cable according to claim 3, characterized in that, Both sides of the transverse plate (311) are fixedly installed with rack two (312), two gear two (308) and rack two (312) are meshed, the outer bottom surface of the transverse plate (311) is provided with a straight slot (313) in the form of penetrating, the outer bottom surface of the workbench (1) and corresponding straight slot (313) are fixedly installed with a work-shaped sliding block (314), the transverse plate (311) is slidingly connected to the work-shaped sliding block (314).
5. The bend degree detection device for an insulated fireproof cable according to claim 1, characterized in that, The top center of the four pressing plates (208) is rotatably installed with a threaded rod two (4), one end of the four threaded rods two (4) extends to the outer top surface of the mounting block (103) through the square hole (201), and the outer circumferential surface is fixedly installed with a knob (401), and the two rack one (207) and gear two (308) are meshed.
6. The bend degree detection device for an insulated fireproof cable according to claim 1, characterized in that, The bottom end of the two square plates (101) is fixedly installed with a bearing plate (5).