Adjustable fire resistance testing device for wires and cables
By designing an adjustable fire resistance test device for wires and cables, the ring gear and threaded barrel system can be used to achieve rapid clamping of wires and cables of different specifications, solving the problem that existing devices cannot fix cables of different specifications, and improving detection efficiency and effect.
Patent Information
- Application Number
- CN202421237171.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing fire resistance test device for wires and cables cannot effectively clamp and fix wires and cables of different specifications, resulting in poor detection efficiency and effect.
A test device including the device body, actuator, ring gear, connecting gear, threaded barrel, arc-shaped clamping plate and other components is designed. By rotating the ring gear, the threaded barrel and screw can be driven, and the fast clamping and fixing of wires and cables of different specifications is achieved.
It realizes fast and effective clamping of wires and cables of different specifications, reduces the work intensity of staff, improves detection efficiency and effect, and enhances practicality.
Smart Images
Figure CN223091921U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary devices for wire and cable preparation, in particular to an adjustable fire resistance test device for wires and cables. Background Technique
[0002] As is well known, wires and cables, as key components for power transmission and signal transmission, are widely used in multiple fields such as buildings, industrial facilities, and transportation systems. In the event of a fire, the insulation layer and sheath of wires and cables may be quickly damaged, resulting in circuit interruption, affecting evacuation, rescue, and the operation of important equipment, and even causing secondary disasters. For example, electric sparks caused by short circuits may intensify the spread of the fire. Therefore, during the production and processing of wires and cables, it is necessary to use a test device to conduct fire resistance tests on them to detect whether they meet the standards.
[0003] It is found that when an existing fire resistance test device for wires and cables is in use, its fixing components cannot clamp and fix wires and cables of different specifications, and corresponding fixing components need to be replaced, thereby reducing the working efficiency and effect of detecting wires and cables, and thus resulting in poor practicability. Content of the Utility Model
[0004] In order to solve the above technical problems, the utility model provides an adjustable fire resistance test device for wires and cables, which can enable workers to quickly clamp and fix wires and cables of different specifications and sizes, reduce the working intensity of workers, thereby improving the working efficiency and effect of detecting wires and cables, and thus enhancing practicability.
[0005] An adjustable fire resistance test device for wires and cables of the utility model includes a device main body and an execution mechanism. The device main body is provided with a working cavity. An execution mechanism is arranged at the bottom of the working cavity of the device main body. And a group of through holes are respectively arranged at both ends of the device main body. It also includes two groups of annular gears, four groups of connecting gears, four groups of mounting blocks, four groups of threaded barrels, four groups of first screws, four groups of connecting plates, four groups of arc-shaped clamping plates, a connecting component, and a limiting component. One end of each of the two groups of annular gears is rotatably connected to both ends of the device main body respectively. And two groups of mounting blocks are evenly arranged at both ends of the device main body. One end of each of the four groups of threaded barrels is rotatably connected to one end of the mounting block. A group of connecting gears are respectively arranged on the outer sides of the four groups of threaded barrels. One end of each of the four groups of connecting gears is meshed and clamped with one end of the annular gear. And one end of each of the four groups of threaded barrels is threadedly connected to one end of the first screw. The other ends of the four groups of first screws are respectively connected to one end of the connecting plate. And one end of each of the four groups of connecting plates is clamped with one end of the device main body through a limiting component. One end of each of the four groups of arc-shaped clamping plates is clamped with one end of the connecting plate through a connecting component.
[0006] Preferably, the connecting component includes four groups of connecting blocks, four groups of first clamping blocks and four groups of second screws. One ends of two connecting plates are respectively provided with four groups of connecting blocks, the other ends of the four groups of connecting blocks are respectively provided with a set of clamping grooves, one ends of the four groups of first clamping blocks are respectively clamped with the clamping grooves of the connecting blocks, and the other ends of the four groups of first clamping blocks are respectively connected with one ends of the arc-shaped clamping plates. A set of threaded holes are respectively arranged through the four groups of first clamping blocks and the connecting blocks, and the four groups of first screws are respectively threadedly connected with the first clamping blocks and the connecting blocks through the threaded holes.
[0007] Preferably, the limiting component includes four groups of first sliders. Two groups of sliding grooves are evenly arranged at both ends of the device main body. The four groups of first sliders are respectively slidably connected with the sliding grooves of the device main body, and the other ends of the four groups of first sliders are respectively connected with one ends of the connecting plates.
[0008] Preferably, it further includes two groups of fixing blocks, two groups of baffles and a buffer component. One group of fixing blocks are respectively arranged at the top parts of both ends of the device main body, and the bottom parts of the two groups of fixing blocks are respectively connected with the bottom parts of the baffles through the buffer component.
[0009] Preferably, the buffer component includes multiple groups of damping rods, multiple groups of connecting springs and two groups of pressing plates. One group of grooves are respectively arranged at the top parts of the two groups of fixing blocks. The two groups of pressing plates are respectively slidably sleeved with the grooves of the fixing blocks. The bottom parts of the two groups of pressing plates are respectively evenly connected with the top parts of the multiple groups of damping rods. The bottom parts of the grooves of the two groups of fixing blocks are evenly connected with the bottom parts of the multiple groups of damping rods, and a group of connecting springs are respectively arranged on the outer sides of the multiple groups of damping rods.
[0010] Preferably, it further includes four groups of rotating handles. One ends of the four groups of first screws are respectively provided with rotating handles.
[0011] Preferably, it further includes four groups of anti-slip pads. One group of anti-slip pads are respectively arranged at one ends of the four groups of arc-shaped clamping plates.
[0012] Preferably, it further includes four groups of arc-shaped handles. Two groups of arc-shaped handles are evenly arranged on the outer sides of the two groups of annular gears.
[0013] Compared with the prior art, the beneficial effects of an adjustable fire resistance test device for wire and cable of the present utility model are as follows: First, the staff inserts one ends of the wire and cable into the working cavity of the device main body through the through holes of the device main body respectively. Then, the staff rotates the two groups of annular gears, so that the four groups of connecting gears drive the threaded cylinder to rotate. The four groups of first screws slide respectively through the limiting component until the arc-shaped clamping plates are driven by the connecting component to be closely attached to one ends of the wire and cable respectively. Then, the staff starts the actuator to conduct the fire resistance test, which can enable the staff to quickly clamp and fix wire and cable of different specifications and sizes, reduce the working intensity of the staff, thereby improving the working efficiency and effect of detecting the wire and cable, and thus enhancing the practicability. Description of the Drawings
[0014] Figure 1 is the structural schematic diagram of the present utility model;
[0015] Figure 2 is the front structural sectional schematic diagram of the present utility model;
[0016] Figure 3 is the enlarged schematic diagram of the partial structure of A of the present utility model;
[0017] Figure 4 is the enlarged schematic diagram of the partial structure of B of the present utility model;
[0018] Reference numerals in the drawings: 1, device main body; 2, actuator; 3, annular gear; 4, connecting gear; 5, anti-slip pad; 6, threaded barrel; 7, mounting block; 8, first screw; 9, connecting plate; 10, arc-shaped clamping plate; 11, connecting block; 12, first clamping block; 13, second screw; 14, first slider; 15, fixed block; 16, baffle; 17, damping rod; 18, connecting spring; 19, pressing plate; 20, rotating handle; 21, arc-shaped handle. Specific embodiments
[0019] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0020] As Figures 1 to 4As shown in the figure, a fire resistance test device for adjustable wire and cable includes a device main body 1 and an actuator 2. The device main body 1 is provided with a working chamber. The actuator 2 is arranged at the bottom of the working chamber of the device main body 1. And a group of through holes are respectively arranged at both ends of the device main body 1. It also includes two groups of annular gears 3, four groups of connecting gears 4, four groups of mounting blocks 7, four groups of threaded barrels 6, four groups of first screws 8, four groups of connecting plates 9, four groups of arc-shaped clamping plates 10, a connecting component and a limiting component. One end of each of the two groups of annular gears 3 is rotatably connected to both ends of the device main body 1 respectively. And two groups of mounting blocks 7 are evenly arranged at both ends of the device main body 1. One end of each of the four groups of threaded barrels 6 is rotatably connected to one end of the mounting block 7. A group of connecting gears 4 are respectively arranged on the outer sides of the four groups of threaded barrels 6. One end of each of the four groups of connecting gears 4 is meshed and clamped with one end of the annular gear 3. And one end of each of the four groups of threaded barrels 6 is threadedly connected to one end of the first screw 8. The other ends of the four groups of first screws 8 are respectively connected to one end of the connecting plate 9. And one end of each of the four groups of connecting plates 9 is clamped to one end of the device main body 1 through the limiting component. One end of each of the four groups of arc-shaped clamping plates 10 is clamped to one end of the connecting plate 9 through the connecting component; First, the staff inserts one end of the wire and cable into the working chamber of the device main body through the through holes of the device respectively. Then the staff rotates the two groups of annular gears, so that the four groups of connecting gears drive the threaded barrels to rotate. The four groups of first screws slide respectively through the limiting component until the arc-shaped clamping plates are driven to be closely attached to one end of the wire and cable through the connecting component. Then the staff starts the actuator to conduct the fire resistance test. It can enable the staff to quickly clamp and fix wire and cable of different specifications and sizes, reduce the working intensity of the staff, thereby improving the working efficiency and effect of detecting wire and cable, and thus enhancing the practicability.
[0021] As a preference of the above embodiment, the connecting component includes four groups of connecting blocks 11, four groups of first clamping blocks 12 and four groups of second screws 13. Four groups of connecting blocks 11 are respectively arranged at one end of the two groups of connecting plates 9. A group of clamping slots are respectively arranged at the other ends of the four groups of connecting blocks 11. One end of each of the four groups of first clamping blocks 12 is clamped in the clamping slot of the connecting block 11. And the other ends of the four groups of first clamping blocks 12 are respectively connected to one end of the arc-shaped clamping plate 10. A group of threaded holes are respectively arranged through the four groups of first clamping blocks 12 and the connecting blocks 11. The four groups of first screws 8 are respectively threadedly connected to the first clamping blocks 12 and the connecting blocks 11 through the threaded holes; By threadedly connecting the first screw to the first clamping block and the connecting block, the staff can quickly install and disassemble the arc-shaped clamping plate, thus enhancing the practicability.
[0022] As a preference of the above embodiment, the limiting component includes four groups of first sliders 14. Two groups of sliding slots are evenly arranged at both ends of the device main body 1. The four groups of first sliders 14 are respectively slidably connected to the sliding slots of the device main body 1. The other ends of the four groups of first sliders 14 are respectively connected to one end of the connecting plate 9.
[0023] Preferably, as an embodiment described above, it further includes two sets of fixing blocks 15, two sets of baffles 16 and a buffer assembly. One set of fixing blocks 15 is respectively arranged at the top ends of both ends of the device main body 1, and the tops of the two sets of fixing blocks 15 are respectively connected to the bottoms of the baffles 16 through the buffer assembly; the protection of structures such as the annular gear by the baffle can improve its protection effect and prevent damage caused by external impacts and other factors, so the practicability is enhanced.
[0024] Preferably, as an embodiment described above, the buffer assembly includes multiple damping rods 17, multiple connecting springs 18 and two pressing plates 19. One set of grooves is respectively arranged at the tops of the two sets of fixing blocks 15, the two pressing plates 19 are respectively slidably sleeved with the grooves of the fixing blocks 15, the bottoms of the two pressing plates 19 are respectively and evenly connected to the tops of the multiple damping rods 17, the bottoms of the grooves of the two sets of fixing blocks 15 are respectively and evenly connected to the bottoms of the multiple damping rods 17, and one set of connecting springs 18 is respectively arranged on the outer sides of the multiple damping rods 17; when the pressing plates are driven to expand and contract by the multiple damping rods and the connecting springs, the acting force generated by collision and extrusion can be reduced, so the practicability is enhanced.
[0025] Preferably, as an embodiment described above, it further includes four rotating handles 20, and rotating handles 20 are respectively arranged at one ends of the four first screws 8; it can enable the staff to quickly rotate the first screws, so the practicability is enhanced.
[0026] Preferably, as an embodiment described above, it further includes four anti-slip pads 5, and one set of anti-slip pads 5 is respectively arranged at one ends of the four arc-shaped clamping plates 10; it can improve the anti-slip effect during clamping and fixing, and prevent falling off during the fire resistance test and affecting the test results, so the practicability is enhanced.
[0027] Preferably, as an embodiment described above, it further includes four arc-shaped handles 21, and two arc-shaped handles 21 are evenly arranged on the outer sides of the two annular gears 3; it can enable the staff to quickly rotate the annular gears, so the practicability is enhanced.
[0028] The working principle of a fire resistance test device for adjustable wire and cable of the present utility model is as follows. First, the staff inserts one end of the wire and cable into the working cavity of the device main body through the through hole of the device main body, and then the staff rotates the two annular gears through the arc-shaped handles, so that the four connecting gears drive the threaded cylinder to rotate, and the four first screws respectively slide through the first sliders until the arc-shaped clamping plates are respectively pressed against one end of the wire and cable through the connecting plate and the connecting block, and then the staff starts the actuator to conduct the fire resistance test.
[0029] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0030] In the present utility model, the "first", "second", and "third" do not represent specific quantities and sequences, but are only used for name distinction.
[0031] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. An adjustable fire resistance test device for wire and cable, comprising a device main body (1) and an actuator (2). The device main body (1) is provided with a working chamber. The actuator (2) is arranged at the bottom of the working chamber of the device main body (1), and a set of through holes are respectively arranged at both ends of the device main body (1). It is characterized in that, It further includes two sets of ring gears (3), four sets of connecting gears (4), four sets of mounting blocks (7), four sets of threaded barrels (6), four sets of first screws (8), four sets of connecting plates (9), four sets of arc-shaped clamping plates (10), a connecting component and a limiting component. Both ends of the device body (1) are respectively rotatably connected to one end of a set of ring gears (3), and two sets of mounting blocks (7) are evenly arranged at both ends of the device body (1). One end of each of the four sets of threaded barrels (6) is respectively rotatably connected to one end of the mounting blocks (7). One set of connecting gears (4) is respectively arranged on the outer sides of the four sets of threaded barrels (6). One end of each of the four sets of connecting gears (4) is respectively meshed and clamped with one end of the ring gears (3). One end of each of the four sets of threaded barrels (6) is respectively threadedly connected to one end of the first screws (8). The other ends of the four sets of first screws (8) are respectively connected to one end of the connecting plates (9). One end of each of the four sets of connecting plates (9) is respectively clamped to one end of the device body (1) through the limiting component. One end of each of the four sets of arc-shaped clamping plates (10) is respectively clamped to one end of the connecting plates (9) through the connecting component.
2. The adjustable fire resistance test device for wire and cable according to claim 1, characterized in that, The connecting component includes four sets of connecting blocks (11), four sets of first clamping blocks (12) and four sets of second screws (13). Four sets of connecting blocks (11) are respectively arranged at one end of the two sets of connecting plates (9). One set of card slots is respectively arranged at the other ends of the four sets of connecting blocks (11). One end of each of the four sets of first clamping blocks (12) is respectively clamped in the card slots of the connecting blocks (11). The other ends of the four sets of first clamping blocks (12) are respectively connected to one end of the arc-shaped clamping plates (10). One set of threaded holes is respectively arranged through the four sets of first clamping blocks (12) and the connecting blocks (11). The four sets of first screws (8) are respectively threadedly connected to the first clamping blocks (12) and the connecting blocks (11) through the threaded holes.
3. The adjustable fire resistance test device for wire and cable according to claim 2, wherein The limiting component includes four sets of first sliders (14). Two sets of sliding grooves are evenly arranged at both ends of the device body (1). The four sets of first sliders (14) are respectively slidably connected to the sliding grooves of the device body (1). The other ends of the four sets of first sliders (14) are respectively connected to one end of the connecting plates (9).
4. The adjustable refractory performance testing device for wire and cable according to claim 3, characterized in that, It further includes two sets of fixing blocks (15), two sets of baffles (16) and a buffering component. One set of fixing blocks (15) is respectively arranged at the tops of both ends of the device body (1). The bottoms of the two sets of fixing blocks (15) are respectively connected to the tops of the baffles (16) through the buffering component.
5. The adjustable fire resistance test device for wire and cable according to claim 4, characterized in that, The buffering component includes multiple sets of damping rods (17), multiple sets of connecting springs (18) and two sets of pressing plates (19). One set of grooves is respectively arranged at the tops of the two sets of fixing blocks (15). The two sets of pressing plates (19) are respectively slidably sleeved in the grooves of the fixing blocks (15). The bottoms of the two sets of pressing plates (19) are respectively evenly connected to the tops of multiple sets of damping rods (17). The bottoms of the grooves of the two sets of fixing blocks (15) are evenly connected to the bottoms of multiple sets of damping rods (17). And one set of connecting springs (18) is respectively arranged on the outer sides of the multiple sets of damping rods (17).
6. The adjustable fire resistance test device for wire and cable according to claim 5, characterized in that, It further includes four sets of rotary handles (20). One set of rotary handles (20) is respectively arranged at one end of the four sets of first screws (8).
7. The adjustable fire resistance testing device for wire and cable according to claim 6, characterized in that, It further includes four sets of anti-slip pads (5). One set of anti-slip pads (5) is respectively arranged at one end of the four sets of arc-shaped clamping plates (10).
8. The adjustable fire resistance testing device for wire and cable according to claim 7, wherein, It also includes four groups of arc-shaped handles (21), and two groups of arc-shaped handles (21) are evenly arranged on the outer sides of the two groups of ring gears (3).