CN115047132A - Combustion test equipment for bundled wires and cables - Google Patents
Combustion test equipment for bundled wires and cables Download PDFInfo
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- CN115047132A CN115047132A CN202210807573.XA CN202210807573A CN115047132A CN 115047132 A CN115047132 A CN 115047132A CN 202210807573 A CN202210807573 A CN 202210807573A CN 115047132 A CN115047132 A CN 115047132A
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Abstract
The invention provides combustion test equipment for bundled wires and cables, which comprises a combustion chamber, wherein clamping mechanisms for clamping the wires and cables are arranged on two sides of the combustion chamber, and a combustion mechanism is arranged in the combustion chamber; fixture including connect in the lifting unit of combustion chamber side surface, with the first lifter plate that lifting unit's execution end is connected, and locate first lifter plate bottom, and with the second lifter plate that lifting unit's execution end is connected, wear to be equipped with first flexible anchor clamps on the casing of first lifter plate, wear to be equipped with the flexible anchor clamps of second on the casing of second lifter plate, be equipped with the clearance that power supply line cable passed between first flexible anchor clamps and the flexible anchor clamps of second. The invention can clamp wires and cables with different sizes, thereby improving the applicability of the combustion test device.
Description
Technical Field
The invention mainly relates to the technical field of wires and cables, in particular to a combustion test device for bundled wires and cables.
Background
According to the recent fire statistics published by the fire department, the number of electrical fires accounts for about 30% of the total number of fires, in recent years, in the distribution of serious fires, particularly serious fires and the direct causes of electrical fires, the faults of electrical lines account for most of the electrical fires, and the electric wires and cables are one of important components in the electrical lines and can be used as fire propagation media in the combustion process, so the electric wires and cables are naturally very important for the electrical fires.
According to a wire and cable fire resistance test device provided in patent document CN202122557848.2, the wire and cable fire resistance test device includes a combustion chamber; a to-be-tested fireproof cable is erected in the combustion chamber in a suspended manner, and a combustion assembly is arranged at the bottom of the to-be-tested fireproof cable and used for testing the fire resistance of the to-be-tested fireproof cable; the top of the combustion chamber is provided with a ventilating pipeline so as to facilitate ventilation of the combustion chamber; the inner wall at the top of the combustion chamber is embedded with a fire extinguishing facility which is used for rapidly cooling the combustion chamber after the test or extinguishing the fire when danger occurs. This wire and cable fire resistance test device convenient to use can adapt to the fireproof cable of various models, and the security is higher.
According to a fire resistance test device for a wire and cable provided in patent document with application number cn201921509591.x, the fire resistance test device for the wire and cable comprises a fire resistance test cylinder, a gas pipe and a gas nozzle; the top of the support frame is of an annular structure, and the top of the support frame is sleeved and fixed on the outer wall of the fire-resistant testing cylinder; the fire-resistant testing cylinder is of a cylindrical hollow structure, is horizontally positioned in the top of the supporting frame, and is provided with an ignition port at the bottom; the smoke exhaust hood is positioned at the top of the fire-resistant test cylinder, and the fire-resistant test cylinder is communicated with an external air draft pipeline through the smoke exhaust hood; the two line pressing plates are respectively positioned at the left end and the right end of the fire-resistant testing cylinder; the utility model discloses be favorable to carrying out fire-resistant test to some unqualified cable, accept through what the basin fell cable burning melts rubber and collect, make the cable outside melt rubber and fall into basin internal cooling through two gas shower nozzle interval positions, prevent to melt rubber and trickle at will, cause the pollution to the external environment.
Traditional wire and cable fire resistance test device is generally at the inside suspension frame of combustion chamber, is equipped with the fireproof cable that awaits measuring on the suspension frame, but suspension frame only has and accepts the function, lacks the adaptation function to not unidimensional cable, when leading to handling not unidimensional cable, remains the clearance between cable and the combustion chamber, influences the sealed effect of combustion chamber.
Disclosure of Invention
The present invention generally provides a burn test apparatus for bundled wire cables to solve the technical problems set forth in the background above.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a combustion test device for bundled wires and cables comprises a combustion chamber, wherein clamping mechanisms for clamping the wires and cables are arranged on two sides of the combustion chamber, and a combustion mechanism is arranged in the combustion chamber;
the clamping mechanism comprises a lifting assembly connected to one side surface of the combustion chamber, a first lifting plate connected with an execution end of the lifting assembly, and a second lifting plate arranged at the bottom end of the first lifting plate and connected with the execution end of the lifting assembly, a first flexible clamp penetrates through a shell of the first lifting plate, a second flexible clamp penetrates through a shell of the second lifting plate, and a gap through which a power supply cable passes is formed between the first flexible clamp and the second flexible clamp;
the first flexible clamp and the first flexible clamp are identical in structure, and the first flexible clamp comprises a clamp shell, a plurality of pin shafts and fireproof sealing plates, wherein the clamp shell is installed on the first lifting plate shell, the pin shafts are installed inside the clamp shell and are arranged in an array mode, and the fireproof sealing plates are installed on the outer surfaces of the pin shafts close to the row of the combustion chamber.
Further, the lifting component including install in the first supporting seat on combustion chamber side surface top, install in the second supporting seat of combustion chamber side surface bottom, and in proper order with first supporting seat and second supporting seat rotate the first lead screw of connecting, first lead screw is equipped with two, and the symmetry sets up, first lead screw pass through the screw with first lifter plate is connected. According to the wire cable lifting device, the first support seat and the second support seat are used for supporting the first screw rod, when the motor drives the first screw rod connected with the first screw rod to rotate, the first lifting plate converts the rotating motion of the first screw rod into self linear motion through the screw rod nut, so that the first lifting plate is driven to lift, the first flexible clamp on the first lifting plate is driven to be close to a wire cable through the lifting of the first lifting plate, and the wire cable lifting device is suitable for wire cables with different sizes in a first flexible clamp mode.
Furthermore, the lifting assembly further comprises two second lead screws which are arranged between the two first lead screws and are sequentially connected with the first supporting seat and the second supporting seat in a rotating manner, and the second lead screws are connected with the second lifting plate through nuts. In the invention, the first supporting seat and the second supporting seat are used for supporting the second screw rods, when the two second screw rods rotate, the second lifting plate converts the rotary motion of the second screw rods into self linear motion through the screw nuts, so that the second lifting plate is lifted to drive the second flexible clamp to be close to the first flexible clamp and the electric wire and cable, and the electric wire and cable with different sizes are clamped by the first flexible clamp clamped from the upper end of the electric wire and cable.
Furthermore, the combustion mechanism comprises water storage tanks arranged at two ends inside the combustion chamber and a plurality of flame spray guns arranged between the water storage tanks, wherein the flame spray guns are arranged on the surface of the inner wall of the combustion chamber. According to the invention, flame is sprayed out through the flame spray gun to perform a combustion test on the electric wire and the cable, and the water storage tank absorbs heat at two ends in the combustion chamber, so that the situation that the temperature at two ends in the combustion chamber is higher to influence the use of the clamping mechanism is prevented.
Further, be equipped with the through-hole that power supply line cable passed on the casing of combustion chamber, the rotating assembly is installed to the casing both sides of combustion chamber, the rotating assembly is including locating the mounting groove of through-hole internal wall bottom is located a plurality of rotation wheels of mounting groove inside, it is a plurality of it encircles to rotate the wheel the axis setting of through-hole. In the invention, the rotating wheel is supported by the mounting groove in the through hole, so that the electric wire and the cable are clamped by the first lifting plate and the second lifting plate to descend until the electric wire and the cable are contacted with the bottom end of the hole body of the through hole, the electric wire and the cable are pushed to rotate by the rotation of the rotating wheel, so that different surfaces of the electric wire and the cable are subjected to combustion tests, in the process, the inclined surface formed by the pressing of the electric wire and the cable is pressed by the second flexible clamp to be matched with the surface of the electric wire and the cable, and therefore, the stable support can still be provided for the electric wire and the cable in the rotating process of the electric wire and the cable.
Further, the rotating assembly further comprises a first gear and a second gear, wherein the first gear is coaxially arranged with the rotating wheel, the second gear is meshed with the first gear, and the second gear is rotatably connected with the inside of the groove body of the mounting groove through a rotating shaft. In the invention, when the motor drives one of the rotating wheels to rotate, the first gear which is coaxially arranged with the rotating wheels is meshed with the second gear, so that the first gear on the other rotating wheel is pushed by the second gear, and the rotating wheels are driven to synchronously rotate, so that the wire cable is driven to rotate by the rotating wheels which synchronously rotate.
Further, the inside bottom of combustion chamber be equipped with the rotation axis of connection is rotated to the inner wall of combustion chamber, the surface mounting of rotation axis has the bracing piece, the rotation axis is connected with a screen cloth section of thick bamboo through the bracing piece, screen cloth section of thick bamboo cover is located the outside of rotation axis. In the invention, when the rotating shaft rotates, the rotating shaft drives the screen cylinder to rotate through the supporting rod, and residual moisture in the screen cylinder is thrown away through the rotation of the screen cylinder, so that waste residues generated during the combustion of electric wires and cables are separated, and water drops for extinguishing flames on the waste residues are separated.
Further, the U-shaped baffle is installed to the bottom inner wall of combustion chamber, the bottom both ends of U-shaped baffle are installed and are extended to the inside sediment fill that leads of screen cloth section of thick bamboo, the inside of U-shaped baffle is rotated and is connected with the auger, the auger with the inner wall of combustion chamber rotates and is connected. According to the invention, waste residues generated during cable combustion are received through the U-shaped guide plate, and flames on the waste residues are extinguished by using liquid carried by the U-shaped guide plate, so that smoke generated during continuous combustion is prevented from increasing, the risk of smoke leakage from a combustion chamber is increased, and the waste residues can be effectively treated.
Furthermore, a fan is installed at the top end of the combustion chamber, and a smoke exhaust pipe is installed at the air outlet end of the fan. In the invention, the smoke in the combustion chamber is guided by the fan and is exhausted by the smoke exhaust pipe, so that the smoke is continuously increased, and the risk of leakage of the smoke from the combustion chamber is reduced.
Further, the inner wall of storage water tank is equipped with the hole body that power supply line cable alternates, hole body inner wall surface mounting has the water storage ring. In the invention, when a water pump connected with the water storage ring is filled with water, the expanded water storage ring is matched with the clamping mechanism to clamp the electric wire and the cable.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can clamp wires and cables with different sizes, thereby improving the applicability of the combustion test device, and specifically comprises the following steps: the first lifting plate is lifted to drive the first flexible clamp to be close to the electric wire and cable through lifting of the first lifting plate, and the second flexible clamp is driven to be close to the first flexible clamp and the electric wire and cable through lifting of the second lifting plate so as to clamp the electric wire and cable with different sizes through the first flexible clamp clamped at the upper end of the electric wire and cable in a matching mode.
Secondly, the invention can provide effective sealing in the process of adapting to wires and cables with different sizes, and specifically comprises the following steps: because the round pin axle among first flexible anchor clamps and the second flexible anchor clamps borrows the promotion of wire and cable and stretches out and draw back in the anchor clamps shell to behind first flexible anchor clamps and the locking of first flexible anchor clamps, shelter from the through-hole through the fire prevention closing plate with round pin axle simultaneous movement, thereby seal the combustion chamber.
Thirdly, the rotary wheel is supported through the mounting groove in the through hole, so that the electric wire and the cable are clamped by the first lifting plate and the second lifting plate to descend until the electric wire and the cable are contacted with the bottom end of the hole body of the through hole, the electric wire and the cable are pushed to rotate through the rotation of the rotary wheel, so that combustion tests are performed on different surfaces of the electric wire and the cable, in the process, the inclined surface formed by the pressing of the electric wire and the cable is pressed through the second flexible clamp to be matched with the surface of the electric wire and the cable, and therefore stable support can still be provided for the electric wire and the cable in the rotating process of the electric wire and the cable.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a first flexible fixture according to the present invention;
FIG. 4 is a schematic view of the lifting assembly of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic structural view of a U-shaped guide plate and a packing auger according to the present invention;
fig. 8 is a left side view of the combustion chamber of the present invention.
In the figure: 10. a combustion chamber; 11. a through hole; 12. a rotating assembly; 121. mounting grooves; 122. a rotating wheel; 123. a first gear; 124. a second gear; 13. a U-shaped guide plate; 14. a slag guide hopper; 15. a packing auger; 16. a rotating shaft; 17. a support bar; 18. a screen cylinder; 19. a fan; 191. a smoke exhaust pipe; 20. a clamping mechanism; 21. a lifting assembly; 211. a first support base; 212. a second support seat; 213. a first lead screw; 214. a second lead screw; 22. a first lifter plate; 23. a second lifter plate; 24. a first flexible clamp; 241. a clamp housing; 242. a pin shaft; 243. a fireproof sealing plate; 25. a second flexible clamp; 30. a combustion mechanism; 31. a water storage tank; 32. a flame spray gun.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment 1, referring to fig. 1 to 8, the present invention provides a combustion test apparatus for bundled wires and cables, including a combustion chamber 10, clamping mechanisms 20 for clamping the wires and cables are disposed on two sides of the combustion chamber 10, and a combustion mechanism 30 is disposed inside the combustion chamber 10;
the clamping mechanism 20 comprises a lifting assembly 21 connected to one side surface of the combustion chamber 10, a first lifting plate 22 connected with an execution end of the lifting assembly 21, and a second lifting plate 23 arranged at the bottom end of the first lifting plate 22 and connected with the execution end of the lifting assembly 21, wherein a first flexible clamp 24 is arranged on a shell of the first lifting plate 22 in a penetrating manner, a second flexible clamp 25 is arranged on a shell of the second lifting plate 23 in a penetrating manner, and a gap through which a power supply cable passes is arranged between the first flexible clamp 24 and the second flexible clamp 25;
the first flexible clamp 24 and the first flexible clamp 24 have the same structure, and the first flexible clamp 24 includes a clamp shell 241 mounted on the first lifting plate 22 shell, a plurality of pins 242 mounted inside the clamp shell 241 and arranged in an array, and a fireproof sealing plate 243 mounted on the outer surface of the pins 242 in a row close to the combustion chamber 10.
Specifically, please refer to fig. 2 and fig. 4 again, the lifting assembly 21 includes a first supporting seat 211 installed at a top end of a side surface of the combustion chamber 10, a second supporting seat 212 installed at a bottom end of a side surface of the combustion chamber 10, and two first screws 213 rotatably connected to the first supporting seat 211 and the second supporting seat 212 in sequence, the two first screws 213 are symmetrically disposed, and the first screws 213 are connected to the first lifting plate 22 through screws;
the lifting assembly 21 further comprises two second lead screws 214 which are arranged between the two first lead screws 213 and are sequentially and rotatably connected with the first supporting seat 211 and the second supporting seat 212, and the second lead screws 214 are connected with the second lifting plate 23 through nuts;
it should be noted that, in this embodiment, the first support seat 211 and the second support seat 212 provide support for the first lead screw 213, and when the motor drives the first lead screw 213 connected thereto to rotate, the first lifting plate 22 converts the rotation motion of the first lead screw 213 into its own linear motion through the lead screw nut, so as to drive the first lifting plate 22 to lift, so as to drive the first flexible clamp 24 thereon to be close to the electric wire and cable by the lifting of the first lifting plate 22, and adapt to the electric wire and cable with different sizes by the way of the first flexible clamp 24;
furthermore, the first support seat 211 and the second support seat 212 provide support for the second lead screw 214, when the two second lead screws 214 rotate, the second lifting plate 23 converts the rotary motion of the second lead screw 214 into the linear motion of the second lead screw through the nut, so as to drive the second flexible clamp 25 on the second lifting plate to be close to the first flexible clamp 24 and the electric wire cable through the lifting of the second lifting plate 23, and to cooperate with the first flexible clamp 24 clamped from the upper end of the electric wire cable to clamp the electric wire cables with different sizes;
because the first lifting plate 22 is driven to lift through the first screw rod 213, and the second lifting plate 23 is driven to lift through the second screw rod 214, the tester can adjust the clamping positions of the first lifting plate 22 and the second lifting plate 23 on the electric wires and cables as required without coinciding with the center of the through hole 11, thereby changing the distance between the tester and the flame spray gun 32 by controlling the positions of the electric wires and cables and adjusting the combustion effect.
Specifically, please refer to fig. 2 and 6 again, the combustion mechanism 30 includes water storage tanks 31 disposed at two ends of the interior of the combustion chamber 10, and a plurality of flame spray guns 32 disposed between the two water storage tanks 31, wherein the flame spray guns 32 are mounted on the inner wall surface of the combustion chamber 10;
in the present embodiment, the flame spray gun 32 sprays the flame to perform a combustion test on the electric wire, and the water storage tank 31 absorbs the heat at the two ends inside the combustion chamber 10, so as to prevent the temperature at the two ends inside the combustion chamber 10 from being high and affecting the use of the clamping mechanism 20;
after the liquid for neutralizing the flue gas is stored in the water storage tank 31, the flue gas can be directly discharged into the water storage tank 31 for neutralization through the smoke discharge pipe 191, and the neutralizing liquid can be acid liquid or alkaline liquid.
Specifically, please refer to fig. 2 and 8 again, a through hole 11 for passing a power cable is formed in a housing of the combustion chamber 10, rotating assemblies 12 are installed on two sides of the housing of the combustion chamber 10, each rotating assembly 12 includes an installation groove 121 disposed at the bottom end of the inner wall of the through hole 11, a plurality of rotating wheels 122 disposed inside the installation groove 121, and the plurality of rotating wheels 122 are disposed around the central axis of the through hole 11;
the rotating assembly 12 further comprises first gears 123 coaxially arranged with the rotating wheels 122, a second gear 124 is engaged and connected between two adjacent first gears 123, and the second gear 124 is rotatably connected with the inside of the groove body of the mounting groove 121 through a rotating shaft;
it should be noted that, in this embodiment, the rotating wheel 122 is supported by the mounting groove 121 in the through hole 11, so that the first lifting plate 22 and the second lifting plate 23 clamp the electric wire and cable to descend until the electric wire and cable contacts with the bottom end of the hole body of the through hole 11, and the rotating wheel 122 rotates to push the electric wire and cable to rotate, so as to perform combustion tests on different surfaces of the electric wire and cable, and in this process, the second flexible clamp 25 is pressed by the electric wire and cable to form an inclined surface to adapt to the surface of the electric wire and cable, so that in the process of rotating the electric wire and cable, the electric wire and cable can still be stably supported;
further, when the motor drives one of the rotating wheels 122 to rotate, since the first gear 123 coaxially disposed with the rotating wheel 122 is engaged with the second gear 124, the second gear 124 pushes the first gear 123 on the other rotating wheel 122, and then the rotating wheels 122 are driven to rotate synchronously, so that the rotating wheels 122 driven by the rotating wheels 122 rotate synchronously.
Specifically, please refer to fig. 6 and 7 again, a rotating shaft 16 rotatably connected to the inner wall of the combustion chamber 10 is disposed at the bottom end inside the combustion chamber 10, a support rod 17 is installed on the outer surface of the rotating shaft 16, the rotating shaft 16 is connected to a screen cylinder 18 through the support rod 17, and the screen cylinder 18 is sleeved outside the rotating shaft 16;
a U-shaped guide plate 13 is installed on the inner wall of the bottom end of the combustion chamber 10, slag guide hoppers 14 extending into a screen drum 18 are installed at two ends of the bottom of the U-shaped guide plate 13, an auger 15 is rotatably connected to the inside of the U-shaped guide plate 13, and the auger 15 is rotatably connected with the inner wall of the combustion chamber 10;
a fan 19 is installed at the top end of the combustion chamber 10, and a smoke exhaust pipe 191 is installed at the air outlet end of the fan 19;
the inner wall of the water storage tank 31 is provided with a hole body through which a power supply cable is inserted, and the surface of the inner wall of the hole body is provided with a water storage ring 311;
it should be noted that, in this embodiment, when the rotating shaft 16 rotates, the rotating shaft 16 drives the screen drum 18 to rotate through the supporting rod 17, and the residual moisture in the screen drum 18 is thrown away through the rotation of the screen drum 18, so as to separate the waste residues generated during the combustion of the electric wires and cables and the water drops for extinguishing flames on the waste residues;
furthermore, waste slag generated during cable combustion is received through the U-shaped guide plate 13, and liquid carried by the U-shaped guide plate 13 is used for extinguishing flames on the waste slag, so that smoke generated during continuous combustion is prevented from increasing, the risk of leakage of the smoke from the combustion chamber 10 is increased, and the waste slag can be effectively treated;
the waste slag is guided to fall into a groove in the middle of the U-shaped guide plate 13 by inclined plates formed by two wings of the U-shaped guide plate 13, the waste slag stored in the groove of the U-shaped guide plate 13 is pushed by a rotary auger 15 to enter a slag guide hopper 14, and the waste slag is discharged into a screen cylinder 18 through the slag guide hopper 14 for separation;
further, the smoke in the combustion chamber 10 is guided by the fan 19 and is exhausted by the smoke exhaust pipe 191, so that the smoke is continuously increased, and the risk of leakage of the smoke from the combustion chamber 10 is reduced;
furthermore, when the water pump connected with the water storage ring 311 fills water therein, the expanded water storage ring 311 is matched with the clamping mechanism 20 to clamp the electric wire and the cable.
Embodiment 2, referring to fig. 1 to 8, the present invention provides a combustion test apparatus for bundled wires and cables, including a combustion chamber 10, clamping mechanisms 20 for clamping the wires and cables are disposed on two sides of the combustion chamber 10, and a combustion mechanism 30 is disposed inside the combustion chamber 10;
the clamping mechanism 20 comprises a lifting assembly 21 connected to one side surface of the combustion chamber 10, a first lifting plate 22 connected with an execution end of the lifting assembly 21, and a second lifting plate 23 arranged at the bottom end of the first lifting plate 22 and connected with the execution end of the lifting assembly 21, wherein a first flexible clamp 24 is arranged on a shell of the first lifting plate 22 in a penetrating manner, a second flexible clamp 25 is arranged on a shell of the second lifting plate 23 in a penetrating manner, and a gap through which a power supply cable passes is arranged between the first flexible clamp 24 and the second flexible clamp 25;
the first flexible clamp 24 and the first flexible clamp 24 have the same structure, and the first flexible clamp 24 includes a clamp shell 241 mounted on the first lifting plate 22 shell, a plurality of pin shafts 242 mounted inside the clamp shell 241 and arranged in an array, and a fireproof sealing plate 243 mounted on the outer surface of the row of pin shafts 242 close to the combustion chamber 10;
further, the lifting assembly 21 includes a first supporting seat 211 installed at the top end of one side surface of the combustion chamber 10, a second supporting seat 212 installed at the bottom end of one side surface of the combustion chamber 10, and a first lead screw 213 rotatably connected to the first supporting seat 211 and the second supporting seat 212 in sequence, the first lead screws 213 are symmetrically arranged, the first lead screws 213 are connected to the first lifting plate 22 and the second lifting plate 23 through nuts, the first supporting seat 211 and the second supporting seat 212 provide support for the first lead screws 213, when the motor drives the first lead screws 213 connected thereto to rotate, the first lifting plate 22 and the second lifting plate 23 convert the rotary motion of the first lead screws 213 into linear motion of themselves through lead screw nuts, so as to drive the first lifting plate 22 and the second lifting plate 23 to lift, so as to drive the first flexible clamp 24 thereon to be close to the electric wire and cable through the lifting of the first lifting plate 22, the first flexible clamp 24 is adapted to wires and cables with different sizes, and two sections of threads with opposite directions are arranged on the outer surface of the first screw rod 213, so that the first lifting plate 22 and the second lifting plate 23 are driven to move back and forth;
further, the lifting assembly 21 further includes two second lead screws 214 disposed between the two first lead screws 213 and sequentially rotatably connected to the first supporting seat 211 and the second supporting seat 212, and the second lead screws 214 sequentially pass through the first lifting plate 22 and the second lifting plate 23;
further, the combustion mechanism 30 includes water storage tanks 31 disposed at two ends inside the combustion chamber 10, and a plurality of flame spray guns 32 disposed between the two water storage tanks 31, wherein the flame spray guns 32 are mounted on the inner wall surface of the combustion chamber 10;
further, a fan 19 is installed at the top end of the combustion chamber 10, and a smoke exhaust pipe 191 is installed at the air outlet end of the fan 19;
further, the shells of the first lifting plate 22 and the second lifting plate 23 are both provided with sealing covers, the two sealing covers are connected through an organ type sealing cover, the organ type sealing cover is matched with the relative motion between the first lifting plate 22 and the second lifting plate 23 to be matched with the sealing covers through the organ type sealing cover, so that flue gas dissipated by the combustion chamber 10 is prevented from being discharged into the atmosphere, the organ type sealing cover is connected with the smoke exhaust pipe 191 through a hose to enter desulfurization equipment along with the flue gas discharged by the smoke exhaust pipe 191 for purification, and the organ type sealing cover is connected with the water storage tank 31 through a hose to be purified through neutralizing liquid stored in the water storage tank 31;
it should be noted that, in this embodiment, the electric wire and cable is inserted into the through hole 11 at one end of the combustion chamber 10 and passes through the through hole 11 at the other end of the combustion chamber 10, during this process, the electric wire and cable is kept in the gap between the first flexible fixture 24 and the second flexible fixture 25, so as to complete the preliminary installation of the electric wire and cable, when the motor drives the first lead screw 213 connected thereto to rotate, the first lifting plate 22 and the second lifting plate 23 convert the rotation motion of the first lead screw 213 into their linear motion through the lead screw nut, so as to drive the first lifting plate 22 and the second lifting plate 23 to lift, so as to drive the first flexible fixture 24 thereon to approach the electric wire and cable, by means of the first flexible fixture 24, adapt to the electric wire and cable with different sizes, two sections of threads with opposite directions are arranged on the outer surface of the first lead screw 213, thereby driving the first lifting plate 22 and the second lifting plate 23 to move back and forth, and the first flexible clamp 24 and the second flexible clamp 25 are close to each other to clamp wires and cables with different sizes;
in the process of clamping the electric wire and cable, as the pin shaft 242 in the first flexible clamp 24 and the second flexible clamp 25 is pushed by the electric wire and cable to extend and retract in the clamp shell 241, after the first flexible clamp 24 and the first flexible clamp 24 are locked, the through hole 11 is shielded by the fireproof sealing plate 243 which moves synchronously with the pin shaft 242, so that the combustion chamber 10 is sealed;
spout flame through flame spray gun 32, in order to carry out combustion test to wire and cable, in this process, the mounting groove 121 through in the through-hole 11 provides the support for rotating wheel 122, thereby descend at first lifter plate 22 and second lifter plate 23 centre gripping wire and cable, until wire and cable and the hole body bottom of through-hole 11 contact, rotation through rotating wheel 122, in order to promote wire and cable and rotate, thereby carry out combustion test to wire and cable's different faces, and in this process, press the inclined plane that forms by wire and cable through second flexible fixture 25, adaptation wire and cable's surface, thereby in wire and cable pivoted in-process, still can provide stable support for wire and cable.
The specific operation mode of the invention is as follows:
inserting the electric wire and cable into the through hole 11 at one end of the combustion chamber 10, and penetrating out through the through hole 11 at the other end of the combustion chamber 10, and in the process, keeping the electric wire and cable in the gap between the first flexible clamp 24 and the second flexible clamp 25, thereby completing the preliminary installation of the electric wire and cable;
when the first lead screw 213 rotates, the first lifting plate 22 converts the rotation motion of the first lead screw 213 into the linear motion of itself through a lead screw nut, so as to drive the first lifting plate 22 to lift, so as to drive the first flexible clamp 24 on the first lifting plate 22 to be close to the electric wire and cable through the lifting of the first lifting plate, when the second lead screw 214 rotates, the second lifting plate 23 converts the rotary motion of the second lead screw 214 into the linear motion of itself through a nut, so as to drive the second flexible clamp 25 on the second lifting plate to be close to the first flexible clamp 24 and the electric wire and cable through the lifting of the second lifting plate 23, so as to cooperate with the first flexible clamp 24 clamped from the upper end of the electric wire and cable to clamp the electric wire and cable with different sizes;
in the process of clamping the electric wire and cable, as the pin shaft 242 in the first flexible clamp 24 and the second flexible clamp 25 is pushed by the electric wire and cable to extend and retract in the clamp shell 241, after the first flexible clamp 24 and the first flexible clamp 24 are locked, the through hole 11 is shielded by the fireproof sealing plate 243 which moves synchronously with the pin shaft 242, so that the combustion chamber 10 is sealed;
flame is sprayed out through the flame spray gun 32 to perform a combustion test on the electric wire, in the process, the mounting groove 121 in the through hole 11 provides support for the rotating wheel 122, so that the electric wire is clamped by the first lifting plate 22 and the second lifting plate 23 to descend until the electric wire is contacted with the bottom end of the hole body of the through hole 11, the electric wire is pushed to rotate through the rotation of the rotating wheel 122, so that the combustion test is performed on different surfaces of the electric wire, in the process, the inclined surface formed by the pressing of the electric wire through the second flexible clamp 25 is matched with the surface of the electric wire, and therefore, in the process of the rotation of the electric wire, stable support can still be provided for the electric wire;
waste residues generated during cable combustion are received through the U-shaped guide plate 13, and liquid carried by the U-shaped guide plate 13 is used for extinguishing flames on the waste residues, so that smoke generated during continuous combustion is prevented from increasing, the risk of leakage of the smoke from the combustion chamber 10 is increased, and the waste residues can be effectively treated;
the waste residue is guided to fall into a groove in the middle of the U-shaped guide plate 13 by inclined plates formed by two wings of the U-shaped guide plate 13, the waste residue stored in the groove of the U-shaped guide plate 13 is pushed by a rotary auger 15 to enter a residue guide hopper 14, and the waste residue is discharged into a screen cylinder 18 through the residue guide hopper 14 for separation.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. A combustion test device for bundled wires and cables comprises a combustion chamber (10), and is characterized in that clamping mechanisms (20) for clamping the wires and cables are arranged on two sides of the combustion chamber (10), and a combustion mechanism (30) is arranged inside the combustion chamber (10);
the clamping mechanism (20) comprises a lifting assembly (21) connected to one side surface of the combustion chamber (10), a first lifting plate (22) connected with an execution end of the lifting assembly (21), and a second lifting plate (23) arranged at the bottom end of the first lifting plate (22) and connected with the execution end of the lifting assembly (21), a first flexible clamp (24) penetrates through a shell of the first lifting plate (22), a second flexible clamp (25) penetrates through a shell of the second lifting plate (23), and a gap for a wire and a cable to pass through is formed between the first flexible clamp (24) and the second flexible clamp (25);
the first flexible clamp (24) and the first flexible clamp (24) are identical in structure, the first flexible clamp (24) comprises a clamp shell (241) installed on the first lifting plate (22) shell, a plurality of pin shafts (242) installed inside the clamp shell (241) and arranged in an array mode, and fireproof sealing plates (243) installed on the outer surfaces of the pin shafts (242) close to one row of the combustion chamber (10).
2. The burning test equipment for bunched wire and cable of claim 1, wherein said lifting assembly (21) comprises a first supporting base (211) installed on the top of one side surface of said burning chamber (10), a second supporting base (212) installed on the bottom of one side surface of said burning chamber (10), and a first lead screw (213) rotatably connected to said first supporting base (211) and said second supporting base (212), said first lead screw (213) is provided with two and symmetrically arranged, said first lead screw (213) is connected to said first lifting plate (22) through a screw nut.
3. The burning test equipment for bunched wire and cable of claim 2, wherein said lifting assembly (21) further comprises two second lead screws (214) disposed between said two first lead screws (213) and rotatably connected to said first supporting base (211) and said second supporting base (212) in turn, said second lead screws (214) are connected to said second lifting plate (23) through nuts.
4. The combustion test equipment for bunched wire and cable of claim 1, wherein said combustion mechanism (30) comprises water storage tanks (31) disposed at both ends of the interior of said combustion chamber (10), a plurality of flame spray guns (32) disposed between two of said water storage tanks (31), said flame spray guns (32) being mounted to the inner wall surface of said combustion chamber (10).
5. The combustion test equipment for bundled electric wires and cables as claimed in claim 1, wherein a through hole (11) for passing the electric wires and cables is formed in the casing of the combustion chamber (10), rotating assemblies (12) are mounted on two sides of the casing of the combustion chamber (10), each rotating assembly (12) comprises a mounting groove (121) arranged at the bottom end of the inner wall of the hole body of the through hole (11), and a plurality of rotating wheels (122) arranged inside the mounting groove (121), and the plurality of rotating wheels (122) are arranged around the central axis of the through hole (11).
6. The burning test equipment for bunched wire and cable of claim 5, wherein the rotating assembly (12) further comprises a first gear (123) coaxially arranged with the rotating wheel (122), a second gear (124) is engaged and connected between two adjacent first gears (123), and the second gear (124) is rotatably connected with the inside of the groove body of the mounting groove (121) through a rotating shaft.
7. The burning test equipment for bunched wires and cables of claim 1, wherein the inside bottom of combustion chamber (10) is provided with a rotating shaft (16) rotatably connected with the inner wall of combustion chamber (10), a support rod (17) is installed on the outer surface of rotating shaft (16), rotating shaft (16) is connected with a screen drum (18) through support rod (17), and screen drum (18) is sleeved outside rotating shaft (16).
8. The combustion test equipment for bundled electric wires and cables as claimed in claim 7, wherein a U-shaped guide plate (13) is installed on the inner wall of the bottom end of the combustion chamber (10), slag guide hoppers (14) extending to the inside of the screen drum (18) are installed at two ends of the bottom of the U-shaped guide plate (13), an auger (15) is connected to the inside of the U-shaped guide plate (13) in a rotating mode, and the auger (15) is connected with the inner wall of the combustion chamber (10) in a rotating mode.
9. The combustion test equipment for bunched wire and cable of claim 1, wherein the top of the combustion chamber (10) is provided with a fan (19), and the air outlet end of the fan (19) is provided with a smoke exhaust pipe (191).
10. Combustion test equipment for bunched wire and cable of claim 4, wherein the inner wall of said water storage tank (31) is provided with a hole for inserting a power supply cable, and said hole is provided with a water storage ring (311) on the inner wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210807573.XA CN115047132A (en) | 2022-07-08 | 2022-07-08 | Combustion test equipment for bundled wires and cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210807573.XA CN115047132A (en) | 2022-07-08 | 2022-07-08 | Combustion test equipment for bundled wires and cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115047132A true CN115047132A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210807573.XA Pending CN115047132A (en) | 2022-07-08 | 2022-07-08 | Combustion test equipment for bundled wires and cables |
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| Country | Link |
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| CN (1) | CN115047132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165327A (en) * | 2023-04-20 | 2023-05-26 | 河南金水电缆集团有限公司 | Device and method for detecting heat-resistant practical electric wires and cables |
-
2022
- 2022-07-08 CN CN202210807573.XA patent/CN115047132A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165327A (en) * | 2023-04-20 | 2023-05-26 | 河南金水电缆集团有限公司 | Device and method for detecting heat-resistant practical electric wires and cables |
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