Combustion chamber for cable bunching combustion testing machine

By introducing a combustion impurity collection mechanism and a cable fixing frame adjustment system into the cable combustion chamber, the problems of inconvenience in cleaning impurities and fixing the ignition position are solved, and efficient cleaning and flexible ignition of cable combustion tests are achieved.

CN223284181UActive Publication Date: 2025-08-29ZHONGCE YONGTONG CABLE CO LTD
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Patent Information

Application Number
CN202422287252.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-29
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The existing combustion chambers for cable combustion experiments have poor convenience when cleaning impurities, and the ignition position of the cable bundle is fixed and cannot be flexibly adjusted, resulting in less flexibility in cable bundle combustion tests.

Method used

A combustion chamber including a combustion impurity collection mechanism and a cable fixing frame adjustment system is designed, solid impurities are collected and wetted through metal mesh plates, and the height of the cable fixing frame is adjusted using a motor-driven steel wire rope system to achieve convenient impurity cleaning and flexible adjustment of ignition position.

Benefits of technology

It improves the cleaning convenience and flexibility of cable combustion tests, ensures that solid impurities do not rise, and flexibly adjusts the ignition position as needed, improving the operating efficiency of the test.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223284181U_ABST
    Figure CN223284181U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of cable combustion tests, and relates to a combustion chamber for a cable bunching combustion testing machine. The device comprises a combustion box, a smoke exhaust pipe is fixedly connected to the top of the combustion box, a supporting frame is fixedly connected to the vertical outer wall of the combustion box, a box door is fixedly connected to the side wall of the front side of the combustion box, a box door lock is fixedly connected to the combustion box, and a cable fixing frame is slidably connected into the combustion box. An ignition machine is placed on the inner wall of the bottom of the combustion box, and the bottom of the combustion box is connected with a combustion impurity collecting mechanism. According to the utility model, solid impurities can be prevented from raising, the convenience of cleaning the combustion chamber for the cable harness combustion test is effectively improved, the ignition position of the cable harness can be flexibly adjusted according to ignition requirements, and the flexibility of the cable harness combustion test is effectively improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cable combustion tests and relates to a combustion chamber for a cable bundle combustion test machine. Background Art

[0002] Cables are an essential component of the power system. After the cables are produced and processed, in order to test the flame retardant performance of the cables, it is necessary to extract some cables and put them into the combustion chamber for a combustion test. The combustion test is used to detect whether the flame retardant performance of the cables is qualified.

[0003] When the existing combustion chamber for cable combustion experiments is in use, impurities generated by combustion fall directly to the bottom of the combustion chamber. These impurities will be lifted up during cleaning, causing some impurities to float into the air, resulting in poor cleaning convenience. In addition, the position of the fixing frame used to fix the cable bundle in the existing combustion chamber is fixed, resulting in the inability to flexibly adjust the ignition position of the cable bundle, thereby resulting in low flexibility in the cable bundle combustion test. Utility Model Content

[0004] The purpose of the utility model is to provide a combustion chamber for a cable bundle combustion test machine in order to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A combustion chamber for a cable bundle combustion test machine comprises a combustion box, a smoke exhaust pipe is fixedly connected to the top of the combustion box, a support frame is fixedly connected to the vertical outer wall of the combustion box, a box door is fixedly connected to the side wall on the front side of the combustion box, a box door lock is fixedly connected to the combustion box, a cable fixing frame is slidably connected to the combustion box, a jog train is placed on the inner wall of the bottom of the combustion box, and a combustion impurity collection mechanism is connected to the bottom of the combustion box;

[0007] The combustion impurity collection mechanism includes a metal mesh plate fixedly connected to the inner wall of the bottom of the combustion box, an opening is provided at the bottom of the combustion box, and two straight rails are symmetrically fixedly connected to the vertical outer wall of the combustion box. T-shaped slots are provided on the two straight rails, and T-shaped plug-ins are movably inserted in the two T-shaped slots. The same dirt collecting box is fixedly connected between the two T-shaped plug-ins, and a handle is fixedly connected to the vertical outer wall of the dirt collecting box.

[0008] In the above-mentioned combustion chamber for the cable bundle combustion test machine, a mounting plate is fixedly connected to the top of the combustion box, a motor is fixedly connected to the mounting plate, a rotating shaft is fixedly connected to the output end of the motor, a winding wheel is fixedly provided on the outer fixed sleeve of the rotating shaft, a steel wire rope is wound around the winding wheel, and the lower end of the steel wire rope is fixedly connected to the cable fixing frame.

[0009] In the combustion chamber for the cable bundle combustion tester, four corners of the lower surface of the dirt collecting box are fixedly connected with foot poles, and the lower ends of the foot poles are rotatably connected with casters.

[0010] In the above-mentioned combustion chamber for the cable bundle combustion test machine, the box door lock includes a fixed block fixedly connected to the vertical outer wall of the combustion box, a threaded hole is provided on the fixed block, and a locking screw is threadedly sleeved in the threaded hole, and a pin groove corresponding to the locking screw is provided on the box door.

[0011] In the combustion chamber for the cable bundle combustion test machine, an observation hole is provided on the vertical side wall of the chamber door, and a transparent plate is fixedly embedded in the observation hole.

[0012] In the above-mentioned combustion chamber for the cable bundle combustion test machine, the support frame includes a plurality of fixed plates fixedly connected to the vertical outer wall of the combustion box, the lower ends of the plurality of fixed plates are fixedly connected to columns, and the lower ends of the plurality of columns are fixedly connected to the same U-shaped base.

[0013] In the combustion chamber for the cable bundle combustion tester, a support plate is fixedly connected between the side wall of the lower side of the mounting plate and the combustion box, and a triangular rib is fixedly connected between the side wall of the lower side of the support plate and the outer wall of the combustion box.

[0014] In the combustion chamber for the cable bundle combustion test machine, the ignition train includes a body, and two igniters are symmetrically fixedly connected to the upper side of the body. An air duct is fixedly connected between the two igniters, and one end of the air duct extends out of the combustion box.

[0015] In the above-mentioned combustion chamber for the cable bundle combustion test machine, a door handle is fixedly connected to the vertical side wall of the chamber door.

[0016] In the above-mentioned combustion chamber for the cable bundle combustion test machine, the cable fixing frame includes two vertical rods, and a plurality of horizontal rods are fixedly connected between the two vertical rods.

[0017] Compared with the existing technology, the advantages of this utility model are:

[0018] 1. The utility model is equipped with a combustion impurity collection mechanism. During the test, water is added to the dirt collection box, the T-shaped plug plate on the dirt collection box is inserted into the straight rail to complete the installation of the dirt collection box, the cable bundle is tied to the cable fixing frame, the ignition train is placed in the combustion box and ignited, and the box door is closed to carry out the combustion test. The solid impurities generated by the combustion of the cable bundle fall onto the metal mesh plate, and the solid impurities fall into the dirt collection box through the mesh holes on the metal mesh plate. The water in the dirt collection box can wet the solid impurities, thereby preventing the solid impurities from being lifted up. When cleaning, the dirt collection box can be pulled out by pulling the handle, which effectively improves the convenience of cleaning the combustion chamber of the cable bundle combustion test.

[0019] 2. The utility model is equipped with a mounting plate, a motor, a rotating shaft, a winding wheel and a steel wire rope. When the ignition position of the cable bundle needs to be adjusted, the motor is controlled to operate, the motor drives the rotating shaft to rotate, the rotating shaft drives the winding wheel to rotate, the winding wheel winds and releases the steel wire rope, and the steel wire rope drives the cable fixing frame to move, so that the height of the cable fixing frame can be adjusted, so that the ignition position of the cable bundle can be flexibly adjusted according to the ignition requirements, effectively improving the flexibility of the cable bundle combustion test.

[0020] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a structural diagram of the utility model in another direction.

[0023] Figure 3 yes Figure 1 Schematic diagram of the structure of the combustion impurities collection mechanism.

[0024] Figure 4 yes Figure 1 Schematic diagram of the structure of the combustion impurity collection mechanism in another direction.

[0025] Figure 5 yes Figure 1 Schematic diagram of the connection structure between the cable fixing frame and the wire rope.

[0026] In the figure: 1. Combustion box; 2. Smoke exhaust pipe; 3. Support frame; 4. Box door; 5. Box door lock; 6. Cable fixing frame; 7. Ignition train; 8. Metal mesh plate; 9. Straight rail; 10. T-slot; 11. T-type plug plate; 12. Sewage collecting box; 13. Handle; 14. Mounting plate; 15. Motor; 16. Rotating shaft; 17. Winding wheel; 18. Wire rope; 19. Foot column; 20. Caster; 21. Fixing block; 22. Locking screw; 23. Pin groove; 24. Transparent plate; 25. Fixing plate; 26. Vertical column; 27. U-shaped base; 28. Support plate; 29. ​​Triangular rib; 30. Car body; 31. Igniter; 32. Air duct; 33. Door handle; 34. Vertical bar; 35. Horizontal bar. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] like Figure 1-5As shown, a combustion chamber for a cable bundle combustion test machine includes a combustion box 1, a smoke exhaust pipe 2 is fixedly connected to the top of the combustion box 1, a support frame 3 is fixedly connected to the vertical outer wall of the combustion box 1, a box door 4 is fixedly connected to the side wall of the front side of the combustion box 1, a box door lock 5 is fixedly connected to the combustion box 1, a cable fixing frame 6 is slidably connected to the combustion box 1, a ignition train 7 is placed on the inner wall of the bottom of the combustion box 1, and a combustion impurity collection mechanism is connected to the bottom of the combustion box 1;

[0029] The combustion impurity collection mechanism includes a metal mesh plate 8 fixedly connected to the inner wall of the bottom of the combustion box 1. The bottom of the combustion box 1 is provided with an opening. The vertical outer wall of the combustion box 1 is symmetrically fixedly connected to two straight rails 9. T-shaped slots 10 are provided on the two straight rails 9. T-shaped plug-ins 11 are movably inserted in the two T-shaped slots 10. The same dirt collecting box 12 is fixedly connected between the two T-shaped plug-ins 11, and a handle 13 is fixedly connected to the vertical outer wall of the dirt collecting box 12.

[0030] In the above embodiment, during the test, water is added to the dirt collecting box 12, the T-shaped plug plate 11 on the dirt collecting box 12 is inserted into the straight rail 9 to complete the installation of the dirt collecting box 12, the cable bundle is tied to the cable fixing frame 6, the ignition train 7 is placed in the combustion box 1 and ignited, and the box door 4 is closed to carry out the combustion test. The solid impurities generated by the combustion of the cable bundle fall onto the metal mesh plate 8, and the solid impurities fall into the dirt collecting box 12 through the mesh holes on the metal mesh plate 8. The water in the dirt collecting box 12 can wet the solid impurities, thereby preventing the solid impurities from being lifted up. When cleaning, the dirt collecting box 12 can be pulled out by pulling the handle 13, which effectively improves the convenience of cleaning the combustion chamber of the cable bundle combustion test.

[0031] A mounting plate 14 is fixedly connected to the top of the combustion box 1, a motor 15 is fixedly connected to the mounting plate 14, a rotating shaft 16 is fixedly connected to the output end of the motor 15, a winding wheel 17 is fixedly sleeved outside the rotating shaft 16, a steel wire rope 18 is wound around the winding wheel 17, and the lower end of the steel wire rope 18 is fixedly connected to the cable fixing frame 6.

[0032] In this embodiment, when the ignition position of the cable bundle needs to be adjusted, the motor 15 is controlled to operate, the motor 15 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the winding wheel 17 to rotate, the winding wheel 17 reels and releases the wire rope 18, and the wire rope 18 drives the cable fixing frame 6 to move, so that the height of the cable fixing frame 6 can be adjusted, so that the ignition position of the cable bundle can be flexibly adjusted according to the ignition requirements, effectively improving the flexibility of the cable bundle combustion test.

[0033] The four corners of the lower surface of the dirt collecting box 12 are fixedly connected to foot poles 19 , and the lower ends of the foot poles 19 are rotatably connected to casters 20 .

[0034] In this embodiment, the provided casters 20 can improve the convenience of installing and disassembling the dirt collecting box 12.

[0035] The door lock 5 includes a fixing block 21 fixedly connected to the vertical outer wall of the combustion box 1. The fixing block 21 is provided with a threaded hole, and a locking screw 22 is threadedly sleeved in the threaded hole. The door 4 is provided with a pin groove 23 corresponding to the locking screw 22.

[0036] In the above embodiment, when locking the door, the locking screw 22 is turned, and the locking screw 22 is screwed into the pin groove 23, so that the box door 4 can be locked and fixed.

[0037] An observation hole is formed on the vertical side wall of the door 4, and a transparent plate 24 is fixedly embedded in the observation hole.

[0038] In this embodiment, the transparent plate 24 can facilitate the test personnel to observe the interior of the combustion box.

[0039] The support frame 3 includes multiple fixing plates 25 fixedly connected to the vertical outer wall of the combustion box 1, and the lower ends of the multiple fixing plates 25 are fixedly connected to columns 26. The lower ends of the multiple columns 26 are fixedly connected to the same U-shaped base 27, which can improve the stability of the placement of the combustion box 1.

[0040] A support plate 28 is fixedly connected between the side wall of the lower side of the mounting plate 14 and the combustion box 1 , and a triangular rib 29 is fixedly connected between the side wall of the lower side of the support plate 28 and the outer wall of the combustion box 1 .

[0041] In this embodiment, the support plate 28 and the triangular ribs 29 can improve the stability of the mounting plate 14 and the operation stability of the motor 15 .

[0042] The ignition train 7 includes a car body 30, and two igniters 31 are symmetrically fixedly connected to the upper side of the car body 30. An air duct 32 is fixedly connected between the two igniters 31, and one end of the air duct 32 extends out of the combustion box 1. During ignition, the air duct 32 is connected to the liquefied gas tank, and the liquefied gas is transported to the igniter 31 through the air duct 32. The liquefied gas is ignited by the ignition gun, and the flame ejected from the igniter 31 can ignite the cable bundle.

[0043] The vertical side wall of the door 4 is fixedly connected with a door handle 33 , which can improve the convenience of operating the door 4 .

[0044] The cable fixing frame 6 includes two vertical rods 34 , and a plurality of horizontal rods 35 are fixedly connected between the two vertical rods 34 , so as to facilitate bundling of cable bundles.

[0045] The working principle of this utility model is:

[0046] During the test, water is added to the dirt collecting box 12, and the T-shaped plug plate 11 on the dirt collecting box 12 is inserted into the straight rail 9 to complete the installation of the dirt collecting box 12. The cable bundle is tied to the cable fixing frame 6, and the ignition train 7 is placed in the combustion box 1 to ignite. The combustion test can be carried out by closing the box door 4. The solid impurities generated by the combustion of the cable bundle fall onto the metal mesh plate 8. The solid impurities fall into the dirt collecting box 12 through the mesh holes on the metal mesh plate 8. The water in the dirt collecting box 12 can wet the solid impurities, thereby preventing the solid impurities from being raised. When cleaning, the dirt collecting box 12 can be pulled out by pulling the handle 13, which effectively improves the convenience of cleaning the combustion chamber of the cable bundle combustion test.

[0047] When the ignition position of the cable bundle needs to be adjusted, the motor 15 is controlled to run, the motor 15 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the winding wheel 17 to rotate, the winding wheel 17 reels and releases the wire rope 18, and the wire rope 18 drives the cable fixing frame 6 to move, so that the height of the cable fixing frame 6 can be adjusted, so that the ignition position of the cable bundle can be flexibly adjusted according to the ignition requirements, effectively improving the flexibility of the cable bundle combustion test.

[0048] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the spirit of the present invention.

[0049] Although this article frequently uses terms such as 1. combustion box; 2. exhaust pipe; 3. support frame; 4. box door; 5. box door lock; 6. cable fixing frame; 7. ignition train; 8. metal mesh; 9. straight rail; 10. T-slot; 11. T-type plug plate; 12. sewage collecting box; 13. handle; 14. mounting plate; 15. motor; 16. rotating shaft; 17. reel; 18. wire rope; 19. foot column; 20. caster; 21. fixing block; 22. locking screw; 23. pin groove; 24. transparent plate; 25. fixing plate; 26. column; 27. U-shaped base; 28. support plate; 29. ​​triangular rib; 30. vehicle body; 31. igniter; 32. air duct; 33. door handle; 34. vertical bar; 35. horizontal bar, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention. Any interpretation of them as additional limitations is contrary to the spirit of the present invention.

Claims

1. A combustion chamber for a cable bundle combustion test machine, comprising a combustion box (1), characterized in that: The top of the combustion box (1) is fixedly connected to a smoke exhaust pipe (2), the vertical outer wall of the combustion box (1) is fixedly connected to a support frame (3), the side wall of the front side of the combustion box (1) is fixedly connected to a box door (4), the combustion box (1) is fixedly connected to a box door lock (5), the combustion box (1) is slidably connected to a cable fixing frame (6), a jog train (7) is placed on the inner wall of the bottom of the combustion box (1), and the bottom of the combustion box (1) is connected to a combustion impurity collection mechanism; The combustion impurity collecting mechanism comprises a metal mesh plate (8) fixedly connected to the inner wall of the bottom of the combustion box (1); an opening is provided at the bottom of the combustion box (1); two straight rails (9) are symmetrically fixedly connected to the vertical outer wall of the combustion box (1); a T-shaped slot (10) is provided on each of the two straight rails (9); a T-shaped plug-in plate (11) is movably inserted into each of the two T-shaped slots (10); a same dirt collecting box (12) is fixedly connected between the two T-shaped plug-in plates (11); and a handle (13) is fixedly connected to the vertical outer wall of the dirt collecting box (12).

2. The combustion chamber for the cable bundle combustion tester according to claim 1, characterized in that: The top of the combustion box (1) is fixedly connected to a mounting plate (14), the mounting plate (14) is fixedly connected to a motor (15), the output end of the motor (15) is fixedly connected to a rotating shaft (16), a reel (17) is fixedly sleeved outside the rotating shaft (16), a steel wire rope (18) is wound around the reel (17), and the lower end of the steel wire rope (18) is fixedly connected to a cable fixing frame (6).

3. The combustion chamber for the cable bundle combustion tester according to claim 2, characterized in that: Four corners of the lower surface of the dirt collecting box (12) are fixedly connected with foot posts (19), and the lower ends of the foot posts (19) are rotatably connected with casters (20).

4. The combustion chamber for the cable bundle combustion tester according to claim 3, characterized in that: The door lock (5) comprises a fixing block (21) fixedly connected to the vertical outer wall of the combustion box (1); a threaded hole is provided on the fixing block (21), and a locking screw (22) is threadedly sleeved in the threaded hole; and a pin groove (23) corresponding to the locking screw (22) is provided on the door (4).

5. The combustion chamber for the cable bundle combustion tester according to claim 4, characterized in that: An observation hole is provided on the vertical side wall of the box door (4), and a transparent plate (24) is fixedly embedded in the observation hole.

6. The combustion chamber for the cable bundle combustion tester according to claim 5, characterized in that: The support frame (3) includes a plurality of fixed plates (25) fixedly connected to the vertical outer wall of the combustion box (1), the lower ends of the plurality of fixed plates (25) are fixedly connected to columns (26), and the lower ends of the plurality of columns (26) are fixedly connected to the same U-shaped base (27).

7. The combustion chamber for the cable bundle combustion tester according to claim 6, characterized in that: A support plate (28) is fixedly connected between the side wall on the lower side of the mounting plate (14) and the combustion box (1), and a triangular rib (29) is fixedly connected between the side wall on the lower side of the support plate (28) and the outer wall of the combustion box (1).

8. The combustion chamber for the cable bundle combustion tester according to claim 7, characterized in that: The ignition train (7) comprises a car body (30), two igniters (31) are symmetrically fixedly connected to the upper side of the car body (30), an air guide pipe (32) is fixedly connected between the two igniters (31), and one end of the air guide pipe (32) extends out of the combustion box (1).

9. The combustion chamber for a cable bundle combustion tester according to claim 8, characterized in that: A door handle (33) is fixedly connected to the vertical side wall of the box door (4).

10. The combustion chamber for the cable bundle combustion tester according to claim 9, characterized in that: The cable fixing frame (6) comprises two vertical rods (34), and a plurality of horizontal rods (35) are fixedly connected between the two vertical rods (34).