CN116242959A - Fireproof testing device for fireproof electric wire and cable production - Google Patents
Fireproof testing device for fireproof electric wire and cable production Download PDFInfo
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- CN116242959A CN116242959A CN202310533462.9A CN202310533462A CN116242959A CN 116242959 A CN116242959 A CN 116242959A CN 202310533462 A CN202310533462 A CN 202310533462A CN 116242959 A CN116242959 A CN 116242959A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention relates to a fire resistance testing device for cables, in particular to a fire resistance testing device for producing fireproof electric wires and cables. The invention aims to provide a fire-resistant testing device for producing fireproof electric wires and cables, which can test samples of a plurality of cables simultaneously. The invention provides a fire-resistant testing device for producing fireproof electric wires and cables, which comprises a bottom frame, a testing frame body, a cover plate, side plates and flame ejectors, wherein the two sides of the top of the bottom frame are connected with the side plates, the testing frame body is connected between the side plates on the two sides, the bottom of the testing frame body is uniformly provided with ventilation holes at intervals, the testing frame body is rotatably connected with the cover plate, and the flame ejectors are arranged on the testing frame body. According to the invention, the cables can be put in through the sleeves, and when the cables are put in, the cables with different types and specifications can be put in at the same time, so that the effect of testing the cables at the same time is realized, and the cables can be compared transversely during testing, so that the obtained test knot is more visual.
Description
Technical Field
The invention relates to a fire resistance testing device for cables, in particular to a fire resistance testing device for producing fireproof electric wires and cables.
Background
The characteristic that the fireproof cable can keep normal power supply for a certain time when a fire disaster occurs makes the fireproof cable have great application value in modern cities and industrial buildings, because the power supply lines of the control, monitoring, guiding and alarming systems must keep normal operation when the fire disaster occurs. In order to ensure that the refractory material remains safe for a period of time under the action of the flame. I.e. to maintain the integrity of the line and to be able to supply power in the flame for a period of time, it is common to test the fire resistance of fire-resistant cables after they have been manufactured.
Through retrieving, the patent publication number CN 114878742B's patent discloses a fire-proof wire and cable production fire-resistant test device, including placing platform, combustion mechanism, observation cover and clearance mechanism, place the platform upper end and install combustion mechanism, combustion mechanism periphery is provided with and observes the cover, observes the cover and places on placing the platform, observes the cover upper end and installs clearance mechanism.
The above patent suffers from the following disadvantages: when the test device is used, only one cable test sample can be tested, the test efficiency is low, and transverse comparison of a plurality of test samples in the same field of experiment is difficult.
Disclosure of Invention
In view of the above, the present invention provides a fire-resistant testing apparatus for producing a fire-resistant wire and cable, which can simultaneously test samples of a plurality of cables.
The technical implementation scheme of the invention is as follows: the utility model provides a fire-resistant testing arrangement is used in fire prevention electric wire and cable production, including the chassis, the test framework, the apron, curb plate and flame sprayer, chassis top both sides all are connected with the curb plate, be connected with the test framework between the curb plate of both sides, the test framework bottom evenly is spaced apart and is equipped with the bleeder vent, the last rotation of test framework is connected with the apron, install the flame sprayer on the test framework, still including the connecting frame, the locking piece, the sleeve, circular telegram test assembly and clamping assembly, be connected with the connecting frame on one side curb plate wherein, the apron pendulum can with test framework fit, test framework top slidingtype is connected with the locking piece, the locking piece is used for pinning apron and test framework, the test framework both sides are all evenly spaced rotation type and are connected with three sleeve, the three sleeve high position of both sides is unanimous, be equipped with the circular telegram test assembly that is used for supplying the cable circular telegram to test on the connecting frame, be equipped with the clamping assembly that is used for carrying out the centre gripping to the cable on the sleeve.
In a preferred embodiment of the present invention, the test frame and the inner wall of the cover plate are both provided with a heat-insulating coating to insulate heat.
In a preferred embodiment of the invention, the power-on test assembly comprises a rotating frame, a storage battery, a socket, a guide rail and a bulb, wherein three rotating frames are uniformly and rotatably connected to the connecting frame at intervals, the storage battery is arranged on the rotating frame, the guide rail is connected to the rotating frame, the socket is connected to the guide rail in a sliding manner, the socket is electrically connected with the storage battery, one end of a cable can be inserted into the socket, and the bulb is arranged at the other end of the cable.
In a preferred embodiment of the invention, the clamping assembly comprises a crown gear, a fixed block, a screw and a connecting gear, wherein the fixed block is connected to the sleeve in a sliding manner at uniform intervals along the circumferential direction, the screw is connected to the fixed block in a rotating manner, the screw is connected with the sleeve in a threaded manner, the connecting gear is connected to the screw, the crown gear is connected to the sleeve in a rotating manner, and the crown gear is meshed with a plurality of connecting gears on the same sleeve.
In a preferred embodiment of the invention, the device further comprises a pushing component, the pushing component comprises a sliding frame, elastic pieces, racks, gear rings and pushing rods, the sliding frames are connected to the side plates on the two sides in a sliding mode, at least one elastic piece is connected between the sliding frame and the side plates, three racks are connected to the sliding frame at equal intervals, the outer ring of the crown gear is connected with the gear rings, the racks on the two sides can be meshed with the gear rings on the two sides respectively, the pushing rods are connected to the two sides of the cover plate, and the pushing rods are used for pushing the sliding frame to move.
In a preferred embodiment of the invention, the rotary testing assembly further comprises a rotary testing assembly, the rotary testing assembly comprises a double-shaft motor, a first rotating shaft, a first transmission gear, a first driving gear, a second transmission gear, a second driving gear and a second rotating shaft, the double-shaft motor is arranged on the testing frame body, the first rotating shaft is connected to an output shaft of one side of the double-shaft motor, which is close to the rotating frame, the second rotating shaft is connected to the other output shaft of the double-shaft motor, one end of the first rotating shaft is connected with the first driving gear, the rotating frame is connected with the first transmission gear, every two adjacent first transmission gears are meshed with each other, the first transmission gear at the lowest part is meshed with the first driving gear, the second driving gears are connected to the first rotating shaft and the second rotating shaft, the second transmission gears are connected to sleeves at two sides, two upper and lower adjacent second transmission gears are meshed, and two second transmission gears at two sides and the lowest sides are meshed with the two second driving gears respectively.
In a preferred embodiment of the invention, the invention further comprises a sprinkler pipe, the sprinkler pipe is arranged on the cover plate, and the water outlet end of the sprinkler pipe extends into the cover plate.
In a preferred embodiment of the present invention, the device further comprises a blocking assembly, the blocking assembly comprises a first baffle and a second baffle, the first baffle is slidably connected to the test frame, the first baffle is used for blocking the spraying end of the flame sprayer, the second baffle is slidably connected to the cover plate, and the second baffle is used for blocking the water outlet end of the sprinkler pipe.
The beneficial effects of the invention are as follows: 1. according to the invention, the cables can be put in through the sleeves, and when the cables are put in, the cables with different types and specifications can be put in at the same time, so that the effect of testing the cables at the same time is realized, and the cables can be compared transversely during testing, so that the obtained test knot is more visual.
2. When the cable fixing device is used, the sliding frame can be pushed to move while the cover plate is covered, so that the fixing block is driven to fix the cable, and the operation is more convenient when the cable is fixed.
3. When the flame sprayer is used for performing combustion test, the double-shaft motor can drive the rotating frame and the cable to rotate, so that the flame sprayer can perform combustion test on different angles of the cable, and the test effect is better.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the cover plate of the present invention after being closed.
FIG. 3 is a schematic view of the structure of the test frame, cover, chassis and chassis of the present invention.
FIG. 4 is a schematic diagram of a first configuration of the power-on test assembly of the present invention.
FIG. 5 is a schematic diagram of a second configuration of the power-on test assembly of the present invention.
Fig. 6 is an exploded view of the socket, bulb and cable of the present invention.
Fig. 7 is a schematic structural view of the clamping assembly of the present invention.
Fig. 8 is a cross-sectional view of a clamping assembly of the present invention.
Fig. 9 is a schematic view of a first construction of the push assembly of the present invention.
Fig. 10 is a schematic view of a second construction of the push assembly of the present invention.
Fig. 11 is an enlarged view of portion a of fig. 10 in accordance with the present invention.
FIG. 12 is a schematic diagram of a rotary test assembly according to the present invention.
Fig. 13 is a schematic diagram of the connection between the sleeve and the second transmission gear according to the present invention.
FIG. 14 is a schematic view of the connection between the sprinkler tube and the cover plate according to the present invention.
Fig. 15 is a schematic view of the structure of the blocking assembly of the present invention.
Wherein: 1. the device comprises a chassis, 2, a test frame body, 21, a cover plate, 22, a locking block, 23, a sleeve, 24, a flame sprayer, 3, a side plate, 31, a connecting frame, 41, a rotating frame, 42, a storage battery, 43, a socket, 44, a guide rail, 45, a bulb, 51, a crown gear, 52, a fixed block, 53, a screw, 54, a connecting gear, 61, a sliding frame, 62, an elastic piece, 63, a rack, 64, a gear ring, 65, a push rod, 71, a double-shaft motor, 72, a first rotating shaft, 73, a first transmission gear, 74, a first driving gear, 75, a second transmission gear, 76, a second driving gear, 77, a second rotating shaft, 8, a sprinkler pipe, 91, a first baffle plate, 92, a second baffle plate, 100 and a cable.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments.
Example 1
The utility model provides a fire-resistant testing arrangement is used in fire prevention wire and cable production, as shown in fig. 1-8, including chassis 1, test frame 2, apron 21, locking piece 22, sleeve 23, curb plate 3, connecting frame 31, flame injector 24, circular telegram test assembly and clamping assembly, chassis 1 top left and right sides all is connected with curb plate 3, left side curb plate 3 left side is connected with connecting frame 31, be connected with test frame 2 between the curb plate 3 of both sides, test frame 2 bottom evenly spaced is equipped with the bleeder vent, in order to supply oxygen to get into, test frame 2 front side lower part rotary type is connected with apron 21, test frame 2 and apron 21 inner wall all are provided with the heat-proof coating, in order to insulate heat, all be connected with the flange on apron 21 and the test frame 2, apron 21 swing can laminate with test frame 2, two flange merges this moment, test frame 2 top slip is connected with locking piece 22, locking piece 22 slides and is used for locking up two flange that combine, test frame 2 left and right sides all evenly spaced rotary type is connected with three sleeve 23, it is used for carrying out the circular telegram to spray the clamping assembly to install the three flange 23 on the test frame 2, the high-pressure side of 35, the flame injector is used for carrying out the test frame 100, the position is equipped with the 35, the circular telegram is used for carrying out the test frame 2, the flame injector is equipped with the 35, and is equipped with the 100, the position is used for spraying the assembly is used for carrying out, and is equipped with the test frame 2.
As shown in fig. 4-6, the power-on test assembly comprises a rotating frame 41, a storage battery 42, a socket 43, a guide rail 44 and a bulb 45, wherein three rotating frames 41 are uniformly and rotatably connected to the connecting frame 31 at intervals, the storage battery 42 is installed on the rotating frame 41, the guide rail 44 is connected to the rotating frame 41, the socket 43 is slidably connected to the guide rail 44, the socket 43 is electrically connected with the storage battery 42, the left end of the cable 100 can be inserted into the socket 43, and the bulb 45 is installed at the right end of the cable 100.
As shown in fig. 7 and 8, the clamping assembly comprises a crown gear 51, a fixed block 52, a screw 53 and a connecting gear 54, wherein the fixed block 52 is connected to the sleeve 23 in a sliding manner at uniform intervals along the circumferential direction, the screw 53 is rotationally connected to the fixed block 52, the screw 53 is in threaded connection with the sleeve 23, the connecting gear 54 is connected to the screw 53, the crown gear 51 is rotationally connected to the sleeve 23, and the crown gear 51 is meshed with a plurality of connecting gears 54 on the same sleeve 23, so that the crown gear 51 can rotate to drive the connecting gears 54 to rotate to drive the screw 53 to rotate.
When the fire resistance of the fireproof cable 100 needs to be tested, the device can be used, firstly, three cables 100 with different specifications and types sequentially pass through two sleeves 23 with three heights, then, the crown gear 51 is rotated to drive the connecting gear 54 to rotate, the connecting gear 54 is rotated to drive the screw 53 to rotate, the screw 53 is rotated to move inwards through threads between the screw 53 and the sleeves 23 to drive the fixing block 52 to move inwards, the fixing block 52 can clamp the cable 100 inwards, then, the bulb 45 can be arranged on the right side of the cable 100, the socket 43 is pulled to move rightwards so that a plug of the cable 100 is inserted on the socket 43, at the moment, the storage battery 42 can supply power to the cable 100 through the socket 43 so as to lighten the bulb 45, after the operation is finished, the cover plate 21 is pulled again to close the test frame 2, then the locking block 22 is pulled to slide leftwards to cover the relief plate 21 and the test frame 2, the cover plate 21 and the test frame body 2 are fixed, then the flame ejector 24 can be started to eject flame, so as to test the fire resistance of the cable 100, when the ejected flame is tested, whether the bulb 45 is lighted, if so, the ejected flame does not influence the power supply performance of the cable 100, if not, the ejected flame influences the circuit inside the cable 100, the power supply performance of the cable 100 is influenced, thus, the fire resistance of the fireproof cable 100 can be tested, and when tested, the cable 100 can be in a power supply state, by observing whether the bulb 45 is lighted, whether the self performance of the cable 100 can change after flame burning can be visually tested, the obtained result is more visual, and the fire resistance cables 100 of three groups of specifications and types can be tested and compared at the same time, facilitating lateral comparison of the fire resistant cable 100; when the flame is sprayed for testing, the ventilation holes can be ventilated, so that oxygen supply gas enters the testing frame body 2 for flame burning.
Example 2
On the basis of embodiment 1, as shown in fig. 9-11, the device further comprises a pushing component, the pushing component comprises a sliding frame 61, elastic pieces 62, racks 63, gear rings 64 and pushing rods 65, the sliding frame 61 is connected to the side plates 3 on two sides in a sliding mode, two elastic pieces 62 are connected between the sliding frame 61 and the side plates 3, the elastic pieces 62 are compression springs, three racks 63 are connected to the sliding frame 61 at equal intervals, the outer ring of the crown gear 51 is connected with the gear rings 64, the racks 63 on two sides can be meshed with the gear rings 64 on two sides respectively, so that the sliding frame 61 can rotate through the gear rings 63 rubbing the gear rings 64 to drive the crown gear 51 to rotate, pushing rods 65 are connected to the left side and the right side of the cover plate 21, the pushing rods 65 can be driven to move by the movement of the cover plate 21, and the pushing rods 65 can be contacted with the sliding frame 61 to push the sliding frame 61 to move.
When the cover plate 21 is closed, the cover plate 21 can drive the push rod 65 to move, the push rod 65 can be in contact with the sliding frame 61 and push the sliding frame 61 to move when moving, the elastic piece 62 is compressed, the sliding frame 61 can drive the rack 63 to move when moving, the rack 63 can rub the gear ring 64 to rotate, the gear ring 64 can drive the crown gear 51 to rotate, so that people do not need to drive the crown gear 51 to rotate, all crown gears 51 can be driven to rotate together at one time, the operation is more convenient, when the sliding frame 61 moves to the limit, the rack 63 is separated from the gear ring 64, and the rack 63 and the gear ring 64 can be prevented from obstructing the operation of the sleeve 23.
As shown in fig. 12 and 13, the rotary test assembly further comprises a rotary test assembly, the rotary test assembly comprises a double-shaft motor 71, a first rotating shaft 72, a first transmission gear 73, a first driving gear 74, a second transmission gear 75, a second driving gear 76 and a second rotating shaft 77, the lower portion of the rear side of the test frame body 2 is provided with the double-shaft motor 71, the left output shaft of the double-shaft motor 71 is connected with the first rotating shaft 72, the right output shaft of the double-shaft motor 71 is connected with the second rotating shaft 77, the left end of the first rotating shaft 72 is connected with the first driving gear 74, the left side of the rotating frame 41 is connected with the first transmission gear 73, every two adjacent first transmission gears 73 are meshed with each other, the lowest first transmission gear 73 is meshed with the first driving gear 74, the left side of the first rotating shaft 72 and the left side of the second rotating shaft 77 are connected with the second driving gears 76, the sleeves 23 on two sides are connected with the second transmission gears 75, the upper and lower adjacent second transmission gears 75 are meshed, the two lowest second transmission gears 75 are meshed with the two second driving gears 76 respectively, so that the first rotating shaft 72 and the second rotating shaft 77 and the rotating frame 23 can be connected with the rotating frame 41 to rotate, and the rotating frame 41 can rotate, and the rotating frame can rotate.
During testing, the double-shaft motor 71 can be started to drive the first rotating shaft 72 and the second rotating shaft 77 to rotate, the first rotating shaft 72 and the second rotating shaft 77 are driven to rotate to drive the first driving gear 74 and the second driving gear 76 to rotate, the first driving gear 74 can drive the rotating frame 41 to rotate through the first transmission gear 73, the socket 43 is driven to rotate, the second driving gear 76 can drive the sleeve 23 to rotate through the second transmission gear 75, and the cable 100 is driven to rotate, so that the cable 100 can be rotated to perform testing, and during testing, the cable 100 can be subjected to combustion testing at three hundred sixty degrees, and the testing area is more comprehensive.
As shown in fig. 10 and 14, the test device further comprises a sprinkler pipe 8, the sprinkler pipe 8 is installed on the cover plate 21, the sprinkler pipe 8 is communicated with a water inlet pipe, the water outlet end of the sprinkler pipe 8 extends into the cover plate 21, the sprinkler pipe 8 can sprinkle water to cool the tested cable 100, and after the test is finished, water can be sprinkled in the test frame body 2 through the external water source of the sprinkler pipe 8 so as to cool the cable 100.
As shown in fig. 15, the fire sprinkler further comprises a blocking component, the blocking component comprises a first baffle 91 and a second baffle 92, the first baffle 91 is slidably connected to the test frame 2, the first baffle 91 is slidably connected to the second baffle 92, the second baffle 92 is slidably connected to the cover plate 21, the second baffle 92 is slidably connected to the water outlet end of the sprinkler pipe 8, when the sprinkler is performed, the first baffle 91 can be pulled to block the water outlet end of the sprinkler pipe 8, so that water does not enter the sprinkler pipe 24, the subsequent operation of the sprinkler pipe 24 is affected, and when the sprinkler is performed, the second baffle 92 can also be pulled to block the water outlet end of the sprinkler pipe 8, so that the sprinkler pipe 8 is not burned by flame, and the sprinkler pipe 8 is damaged.
It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.
Claims (8)
1. The utility model provides a fire-resistant testing arrangement is used in fire prevention wire and cable production, including chassis (1), test framework (2), apron (21), curb plate (3) and flame sprayer (24), chassis (1) top both sides all are connected with curb plate (3), be connected with test framework (2) between curb plate (3) on both sides, test framework (2) bottom evenly spaced is equipped with the bleeder vent, rotary connection has apron (21) on test framework (2), install flame sprayer (24) on test framework (2), a serial communication port, still include connecting frame (31), locking piece (22), sleeve (23), circular telegram test subassembly and centre gripping subassembly, be connected with connecting frame (31) on one of them side curb plate (3), apron (21) swing can laminate with test framework (2), test framework (2) top sliding connection has locking piece (22), locking piece (22) are used for pinning apron (21) and test framework (2), all evenly spaced rotary connection has three sleeve (23) on test framework (2) both sides, three sleeve (23) high position of both sides is unanimous, be equipped with on connecting frame (31) and is used for circular telegram test subassembly (100), the sleeve (23) is provided with a clamping assembly for clamping the cable (100).
2. Fire-resistant testing device for the production of fire-resistant wires and cables according to claim 1, characterized in that the inner walls of the testing frame (2) and of the cover plate (21) are provided with a heat-insulating coating to insulate heat.
3. The fire-resistant testing device for producing fireproof electric wires and cables according to claim 1, wherein the energizing testing assembly comprises a rotating frame (41), a storage battery (42), a socket (43), a guide rail (44) and a bulb (45), wherein three rotating frames (41) are uniformly and rotatably connected on the connecting frame (31) at intervals, the storage battery (42) is installed on the rotating frames (41), the guide rail (44) is connected on the rotating frames (41), the socket (43) is slidably connected on the guide rail (44), the socket (43) is electrically connected with the storage battery (42), one end of a cable (100) can be inserted into the socket (43), and the bulb (45) is installed at the other end of the cable (100).
4. The fire-resistant testing device for producing fireproof electric wires and cables according to claim 1, wherein the clamping assembly comprises a crown gear (51), a fixed block (52), a screw rod (53) and a connecting gear (54), the fixed block (52) is connected to the sleeve (23) in a sliding mode at uniform intervals along the circumferential direction, the screw rod (53) is connected to the fixed block (52) in a rotating mode, the screw rod (53) is in threaded connection with the sleeve (23), the connecting gear (54) is connected to the screw rod (53), the crown gear (51) is connected to the sleeve (23) in a rotating mode, and the crown gear (51) is meshed with a plurality of connecting gears (54) on the same sleeve (23).
5. The fire-resistant testing device for producing fireproof electric wires and cables according to claim 4, further comprising a pushing assembly, wherein the pushing assembly comprises a sliding frame (61), elastic pieces (62), racks (63), gear rings (64) and pushing rods (65), the sliding frame (61) is connected to the side plates (3) on two sides in a sliding mode, at least one elastic piece (62) is connected between the sliding frame (61) and the side plates (3), three racks (63) are connected to the sliding frame (61) at equal intervals, the gear rings (64) are connected to the outer ring of the crown gear (51), the racks (63) on two sides can be meshed with the gear rings (64) on two sides respectively, the pushing rods (65) are connected to the two sides of the cover plate (21), and the pushing rods (65) are used for pushing the sliding frame (61) to move.
6. A fire-resistant testing device for producing fire-resistant wires and cables according to claim 3, further comprising a rotary testing assembly, wherein the rotary testing assembly comprises a double-shaft motor (71), a first rotating shaft (72), a first transmission gear (73), a first driving gear (74), a second transmission gear (75), a second driving gear (76) and a second rotating shaft (77), the double-shaft motor (71) is arranged on the testing frame (2), the first rotating shaft (72) is connected to an output shaft of one side of the double-shaft motor (71) close to the rotating frame (41), the second rotating shaft (77) is connected to another output shaft of the double-shaft motor (71), one end of the first rotating shaft (72) is connected with the first driving gear (74), the rotating frame (41) is connected with the first transmission gear (73), every two adjacent first transmission gears (73) are meshed with each other, the first transmission gear (73) at the lowest is meshed with the first driving gear (74), the second driving gear (76) is connected to the sleeve (23) on two sides, and the second transmission gears (75) are meshed with the two adjacent second transmission gears (75) at the two sides.
7. Fire resistance testing device for producing fireproof electric wires and cables according to claim 1, characterized in that it further comprises a sprinkler pipe (8), the sprinkler pipe (8) is mounted on the cover plate (21), and the water outlet end of the sprinkler pipe (8) extends into the cover plate (21).
8. The fire-resistant testing device for producing fireproof electric wires and cables according to claim 7, further comprising a blocking assembly, wherein the blocking assembly comprises a first baffle plate (91) and a second baffle plate (92), the first baffle plate (91) is slidably connected to the testing frame body (2), the first baffle plate (91) is used for blocking the spraying end of the flame sprayer (24), the second baffle plate (92) is slidably connected to the cover plate (21), and the second baffle plate (92) is used for blocking the water outlet end of the sprinkler pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310533462.9A CN116242959B (en) | 2023-05-12 | 2023-05-12 | Fireproof testing device for fireproof electric wire and cable production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310533462.9A CN116242959B (en) | 2023-05-12 | 2023-05-12 | Fireproof testing device for fireproof electric wire and cable production |
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| Publication Number | Publication Date |
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| CN116242959A true CN116242959A (en) | 2023-06-09 |
| CN116242959B CN116242959B (en) | 2023-08-18 |
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| CN202310533462.9A Active CN116242959B (en) | 2023-05-12 | 2023-05-12 | Fireproof testing device for fireproof electric wire and cable production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030923A (en) * | 2023-10-08 | 2023-11-10 | 飞马新材料(山东)股份有限公司 | Fire-retardant performance detection device of fire-proof clothing material |
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| CN117030923B (en) * | 2023-10-08 | 2023-12-15 | 飞马新材料(山东)股份有限公司 | Fire-retardant performance detection device of fire-proof clothing material |
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