Flame retardant performance detection device for automobile wire failure analysis

Abstract

The utility model discloses a flame retardant performance detection device for automobile wire failure analysis, which belongs to the technical field of automobile wire harness detection and comprises a combustion box body, and a double-station combustion detection mechanism is mounted in the combustion box body. The double-station combustion detection mechanism comprises a first fixed ring frame, a second fixed ring frame and a surrounding mechanism; the first flame nozzle is mounted on the surrounding mechanism; a stator of the pneumatic slip ring is fixedly mounted at the inner top of the combustion box body; the second flame nozzle is fixedly mounted at the inner bottom of the combustion box body; the material moving mechanism is mounted on the control box body; the material moving mechanism comprises a moving assembly and a clamping assembly. Through the mode, the device can perform horizontal flame retardant property detection on a wire body with a larger diameter, so that the wire harness is ignited in all directions, and the accuracy of flame retardant property detection is improved; the device can perform horizontal combustion test and vertical combustion test on the wire harness at the same time, and the extra workload of replacing the flame position is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle wire harness detection technical field, concretely relates to a kind of automobile line failure analysis's flame-retardant performance detection device. BACKGROUND

[0002] Automobile wire harness is important carrier for signal transmission or energy transmission of automobile, communication, control transmission between each device of automobile are completed by wire harness, therefore, ensure wire harness safety and stability is the prerequisite for using wire harness.

[0003] Chinese patent CN221926266U discloses a kind of stretchable wire flame-retardant detection device, including box, support frame, box door, cross bar, clamping buckle, flame jet and detection device etc.;Box is fixedly connected on support frame, box is the main carrier of flame-retardant detection, the front of box is open, box door is rotatably connected at one side of opening, cross bar is fixedly connected at the top in box, clamping buckle is arranged in the middle of cross bar, clamping buckle is composed of torsion spring and two clamping blocks, flame jet is installed at the right side in box, flame jet is towards the left side in box, detection device for detecting flame-retardant performance is arranged at the left side in box. However, the following problems still exist in the use process of the device:

[0004] The device can only carry out single vertical combustion test to wire harness, and horizontal combustion test can be carried out only by adjusting the position of flame jet, which is relatively inconvenient. And since the flame jet of the device is fixedly arranged, when detecting the flame-retardant performance of automobile wire harness with large diameter, the wire harness cannot be ignited in all directions, resulting in inaccurate detection results.

[0005] Therefore, the utility model designs a kind of automobile line failure analysis's flame-retardant performance detection device to solve the above problems. CONTENT OF UTILITY MODEL

[0006] In view of the above shortcomings of prior art, the utility model provides a kind of automobile line failure analysis's flame-retardant performance detection device.

[0007] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0008] The application discloses a kind of automobile wire failure analysis flame-retardant performance detection device, including combustion box, also including control box, double-station combustion detection mechanism, first flame jet, pneumatic slip ring, second flame jet, material moving mechanism and gas pipe;Combustion box is installed with double-station combustion detection mechanism for simultaneously carrying out vertical combustion test and horizontal combustion test to automobile wire harness in inside;The double-station combustion detection mechanism includes first fixed ring frame, second fixed ring frame and for controlling the rotation of first flame jet ring mechanism, first fixed ring frame is fixedly installed on the left side of the inner wall of combustion box top;Second fixed ring frame is fixedly installed on the left side of the inner wall of combustion box bottom;Ring mechanism is installed on first fixed ring frame;

[0009] First flame jet is installed on ring mechanism;The stator of the pneumatic slip ring is fixedly installed at the top of the combustion box, and the rotor of the pneumatic slip ring is fixedly connected with one end of the gas pipe, the other end of the gas pipe is fixedly connected with the first flame jet, and the outer end of the gas pipe is communicated with the gas valve;Second flame jet is fixedly installed at the bottom of the combustion box;

[0010] The installation position of the control box is on the left of the combustion box;And combustion box and control box are fixedly connected by connecting rod;Material moving mechanism is installed on control box;The material moving mechanism includes moving assembly for controlling the movement of wire harness and clamping assembly for fixing wire harness;Moving assembly is installed in the inside of control box, and clamping assembly is installed on moving assembly;

[0011] Further, the front end of the combustion box is provided with an observation window made of transparent material;

[0012] Further, the left end of the combustion box, the left end of the first fixed ring frame and the left end of the second fixed ring frame are all provided with a avoiding slot;

[0013] Further, the ring mechanism includes a rotating ring, a driven gear ring, a fixed plate, a drive gear, a driven gear, a ring driving assembly and a guide wheel, the rotating ring is rotatably installed at the upper end of the first fixed ring frame, and the driven gear ring is fixedly installed at the inner circle of the rotating ring;The fixed plate is fixedly installed at the lower end right side of the first fixed ring frame, the drive gear is rotatably installed at the lower end front side of the fixed plate, and the driven gear is rotatably installed at the lower end rear side of the fixed plate;The drive gear and the driven gear are both meshed with the driven gear ring;Ring driving assembly is installed at the lower end of the first fixed ring frame, and ring driving assembly is connected with drive gear and driven gear;A plurality of guide wheels are rotatably installed at the upper end of the first fixed ring frame, and the guide wheels are rotatably connected with the rotating ring;The first flame jet is fixedly installed at the upper end of the rotating ring;

[0014] Further, the surrounding driving assembly comprises a synchronous wheel, a synchronous belt and a motor, the lower ends of the driving gear and the driven gear are fixedly provided with the synchronous wheels; the outer sides of the two synchronous wheels are provided with the synchronous belt to drive connection; the synchronous wheel connected with the driving gear is arranged as a driving wheel, and the synchronous wheel connected with the driven gear is arranged as a driven wheel; the motor is fixedly installed at the lower end of the right side of the first fixed ring frame, and the output end of the motor is fixedly connected with the driving wheel;

[0015] Further, the moving assembly comprises a cylinder, a guide rod and a vertical plate, the cylinder is fixedly installed in the inside of the control box body, and the output end of the cylinder is fixedly connected with the vertical plate; the right ends of the guide rods are symmetrically fixedly installed on the left end of the vertical plate on the upper and lower sides; and the left ends of the guide rods are limitingly and slidably connected with the right end of the control box body;

[0016] Further, the clamping assembly comprises a fixed clamping block, a lead screw, a clamping guide rod, a knob, a connecting plate and a movable clamping block, the fixed clamping blocks are symmetrically fixedly installed on the right end of the vertical plate on the upper and lower sides at the back, and the connecting plates are symmetrically fixedly installed on the right end of the vertical plate on the upper and lower sides at the front; the rear end of the lead screw is rotatably connected with the fixed clamping block; the front end of the lead screw is rotatably connected with the connecting plate; the movable clamping block is threadedly connected with the lead screw; the front end of the clamping guide rod is fixedly connected with the movable clamping block; the rear end of the clamping guide rod is limitingly and slidably connected with the fixed clamping block; the knob is rotatably installed at the front end of the connecting plate, and the knob is fixedly connected with the lead screw;

[0017] Further, the fixed clamping block and the movable clamping block are symmetrically provided with clamping grooves at the ends close to each other.

[0018] Compared with the prior art, the device can detect the horizontal flame retardant performance of a wire body with a large diameter, the wire harness is ignited in all directions, and the accuracy of the flame retardant performance detection is improved; and through the cooperation of the first fixed ring frame, the second fixed ring frame, the first flame jet and the second flame jet, the device can simultaneously perform horizontal and vertical combustion tests on the wire harness, the additional workload of changing the flame position is reduced, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0020] Figure 1 A three-dimensional view of the flame retardant performance detection device for automobile wire failure analysis of the present application Figure 1 ;

[0021] Figure 2 It is the front view of the flame retardant performance detection device for automobile wire failure analysis of the utility model;

[0022] Figure 3 It is the three-dimensional view of the flame retardant performance detection device for automobile wire failure analysis of the utility model Figure 2 ;

[0023] Figure 4 It is the three-dimensional view of the double-station combustion detection mechanism and the material moving mechanism;

[0024] Figure 5 It is Figure 4 The enlarged view of A in the middle;

[0025] Figure 6 It is the three-dimensional view of the surrounding mechanism;

[0026] Figure 7 It is the three-dimensional view of the clamping assembly.

[0027] The reference numerals in the drawings represent respectively:

[0028] 1, combustion box body; 2, control box body; 3, double-station combustion detection mechanism; 31, first fixed ring frame; 32, second fixed ring frame; 33, surrounding mechanism; 331, rotating ring; 332, driven gear ring; 333, fixed plate; 334, driving gear; 335, driven gear; 336, synchronous wheel; 337, synchronous belt; 338, motor; 339, guide wheel; 4, first flame nozzle; 5, pneumatic slip ring; 6, second flame nozzle; 7, material moving mechanism; 71, moving assembly; 711, air cylinder; 712, guide rod; 713, vertical plate; 72, clamping assembly; 721, fixed clamp block; 722, screw rod; 723, clamping guide rod; 724, knob; 725, connecting plate; 726, movable clamp block; 8, gas pipe. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] In the following description, "left", "right", "front", "back", "up", "down" are oriented in the perspective direction of the front view.

[0031] In some embodiments, please refer to the Figures 1-7The application discloses a kind of automobile wire failure analysis flame-retardant performance detection device, including combustion box 1, still including control box 2, double-station combustion detection mechanism 3, first flame jet head 4, pneumatic slip ring 5, second flame jet head 6, material moving mechanism 7 and gas pipe 8;Combustion box 1 inside is equipped with for being carried out vertical combustion test and horizontal combustion test to automobile wire harness simultaneously double-station combustion detection mechanism 3;The double-station combustion detection mechanism 3 includes first fixed ring frame 31, second fixed ring frame 32 and for controlling the rotation of first flame jet head 4 around mechanism 33, first fixed ring frame 31 is fixedly installed on the left side of the inner wall of combustion box 1 top;Second fixed ring frame 32 is fixedly installed on the left side of the inner wall of combustion box 1 lower side;The left end of the combustion box 1, the left end of first fixed ring frame 31 and the left end of second fixed ring frame 32 are all provided with avoiding slot, and automobile wire harness is facilitated to enter the inside of combustion box 1;Around mechanism 33 is installed on first fixed ring frame 31;

[0032] First flame jet head 4 is installed on around mechanism 33;The stator of pneumatic slip ring 5 is fixedly installed on the inner top of combustion box 1, and the rotor of pneumatic slip ring 5 is fixedly connected with one end of gas pipe 8, the other end of gas pipe 8 is fixedly connected with first flame jet head 4, and the outer end of gas pipe 8 is communicated with gas valve;Second flame jet head 6 is fixedly installed on the inner bottom of combustion box 1;

[0033] The installation position of control box 2 is on the left of combustion box 1;And combustion box 1 and control box 2 are fixedly connected by connecting rod;Material moving mechanism 7 is installed on control box 2;The material moving mechanism 7 includes moving assembly 71 for controlling wire harness movement and clamping assembly 72 for fixing wire harness;Moving assembly 71 is installed in the inside of control box 2, and clamping assembly 72 is installed on moving assembly 71;The front end of the combustion box 1 is provided with observation window of transparent material;The position where first fixed ring frame 31 is located is horizontal combustion detection station;The position where second fixed ring frame 32 is located is vertical combustion detection station.

[0034] In the utility model, the operator fixes the upper and lower ends of the wire harness through the clamping assembly 72, and sets the flame temperature and time of the first flame nozzle 4 and the second flame nozzle 6; then the clamping assembly 72 is driven by the moving assembly 71 to move towards the inside of the combustion box 1 until the upper end and the lower end of the wire harness move to the horizontal combustion detection station and the vertical combustion detection station respectively; then the first flame nozzle 4 and the second flame nozzle 6 work to detect the flame retardant performance of the automobile wire harness, and the surrounding mechanism 33 works when horizontal combustion detection, drives the first flame nozzle 4 to surround the upper end of the wire harness, and the second flame nozzle 6 works to detect the vertical combustion of the lower end of the wire harness; during the detection process, the operator can observe through the observation window arranged at the front end of the combustion box 1; when the combustion time of the first flame nozzle 4 and the second flame nozzle 6 reaches the set time, the moving assembly 71 works to drive the wire harness to move out of the combustion box 1, then the operator can check the combustion state of the wire harness to judge whether the flame retardant performance of the wire harness is qualified; through the surrounding mechanism 33, the device can detect the horizontal flame retardant performance of the wire harness with large diameter, so that the wire harness is ignited in all directions, and the accuracy of the flame retardant performance detection is improved; and through the cooperation of the first fixed ring frame 31, the second fixed ring frame 32, the first flame nozzle 4 and the second flame nozzle 6, the device can simultaneously perform horizontal combustion test and vertical combustion test on the wire harness, reduces the additional workload of changing the flame position, and improves the practicability of the device.

[0035] The surrounding mechanism 33 comprises a rotating ring 331, a driven gear ring 332, a fixed plate 333, a driving gear 334, a driven gear 335, a synchronous wheel 336, a synchronous belt 337, a motor 338 and a guide wheel 339, the rotating ring 331 is rotatably installed at the upper end of the first fixed ring frame 31, and the driven gear ring 332 is fixedly installed at the inner circle of the rotating ring 331; the fixed plate 333 is fixedly installed at the lower end right side of the first fixed ring frame 31, the driving gear 334 is rotatably installed at the lower end front side of the fixed plate 333, and the driven gear 335 is rotatably installed at the lower end rear side of the fixed plate 333; the lower ends of the driving gear 334 and the driven gear 335 are fixedly installed with the synchronous wheel 336; the outer sides of the two synchronous wheels 336 are provided with the synchronous belt 337 so that they are drivingly connected; the synchronous wheel 336 connected with the driving gear 334 is arranged as a driving wheel, and the synchronous wheel 336 connected with the driven gear 335 is arranged as a driven wheel; the motor 338 is fixedly installed at the lower end right side of the first fixed ring frame 31, and the output end of the motor 338 is fixedly connected with the driving wheel; the driving gear 334 and the driven gear 335 are in meshing connection with the driven gear ring 332; a plurality of guide wheels 339 are rotatably installed at the upper end of the first fixed ring frame 31, and the guide wheels 339 are in rolling connection with the rotating ring 331; the first flame nozzle 4 is fixedly installed at the upper end of the rotating ring 331;

[0036] The moving assembly 71 comprises a cylinder 711, a guide rod 712 and a vertical plate 713, the cylinder 711 is fixedly installed in the inside of the control box body 2, and the output end of the cylinder 711 is fixedly connected with the vertical plate 713; the right end of the guide rod 712 is symmetrically fixedly installed on the left end of the vertical plate 713 on the upper and lower sides; and the left end of the guide rod 712 is limitingly and slidingly connected with the right end of the control box body 2;

[0037] The clamping assembly 72 comprises fixed clamping blocks 721, a lead screw 722, clamping guide rods 723, knobs 724, connecting plates 725 and movable clamping blocks 726, the fixed clamping blocks 721 are symmetrically fixedly installed on the right end of the vertical plate 713 on the upper and lower sides at the back, the connecting plates 725 are symmetrically fixedly installed on the right end of the vertical plate 713 on the upper and lower sides at the front; the rear end of the lead screw 722 is rotationally connected with the fixed clamping block 721; the front end of the lead screw 722 is rotationally connected with the connecting plate 725; the movable clamping block 726 is threadedly connected with the lead screw 722; the front end of the clamping guide rod 723 is fixedly connected with the movable clamping block 726; the rear end of the clamping guide rod 723 is limitingly and slidingly connected with the fixed clamping block 721; the knob 724 is rotationally installed on the front end of the connecting plate 725, and the knob 724 is fixedly connected with the lead screw 722; the fixed clamping block 721 and the movable clamping block 726 symmetrically are provided with clamping grooves at the ends close to each other.

[0038] In the utility model, the operator rotates two knobs 724 simultaneously, the knob 724 drives the lead screw 722 to rotate and makes the movable clamping block 726 move along with the clamping guide rod 723 to the direction away from the fixed clamping block 721, then the upper and lower ends of the wire harness are placed between the fixed clamping block 721 and the movable clamping block 726, and the knob 724 is rotated again, so that the movable clamping block 726 moves to the direction close to the fixed clamping block 721 until the wire harness is fixed by the fixed clamping block 721 and the movable clamping block 726, then the cylinder 711 works to push the vertical plate 713 to move along with the guide rod 712 to the inside of the combustion box body 1 until the upper end and the lower end of the wire harness move to the horizontal combustion detection station and the vertical combustion detection station respectively, then the first flame jet head 4 and the second flame jet head 6 work to carry out the automobile flame retardant performance detection.

[0039] When the horizontal combustion detection is carried out, the motor 338 works to drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the synchronous belt 337, the driving gear 334 and the driven gear 335 rotate along with the driving wheel and the driven wheel, the rotation of the driving gear 334 and the driven gear 335 drives the rotating ring 331 to rotate along with the driven gear ring 332, so that the first flame jet head 4 surrounds the upper end of the wire harness, thereby horizontal combustion test is carried out on the wire harness with large diameter.

[0040] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for detecting the flame retardant performance of automobile wire failure analysis, comprising a combustion box (1), characterized in that: It also includes control box (2), double position combustion detection mechanism (3), first flame nozzle (4), pneumatic slip ring (5), second flame nozzle (6), material moving mechanism (7) and gas pipe (8); the inside of combustion box (1) is mounted with double position combustion detection mechanism (3) for simultaneously carrying out vertical combustion test and horizontal combustion test to automobile wire harness; the double position combustion detection mechanism (3) includes first fixed ring frame (31), second fixed ring frame (32) and surrounding mechanism (33) for controlling the rotation of first flame nozzle (4), first fixed ring frame (31) is fixedly installed on the left side of the inner wall of combustion box (1) upper side; second fixed ring frame (32) is fixedly installed on the left side of the inner wall of combustion box (1) lower side; surrounding mechanism (33) is installed on first fixed ring frame (31); First flame nozzle (4) is installed on surrounding mechanism (33); the stator of pneumatic slip ring (5) is fixedly installed on the inner top of combustion box (1), and the rotor of pneumatic slip ring (5) is fixedly connected with one end of gas pipe (8), the other end of gas pipe (8) is fixedly connected with first flame nozzle (4), the outer end of gas pipe (8) is communicated with gas valve; Second flame nozzle (6) is fixedly installed on the inner bottom of combustion box (1); The installation position of control box (2) is on the left side of combustion box (1); and combustion box (1) and control box (2) are fixedly connected through connecting rod; material moving mechanism (7) is installed on control box (2); the material moving mechanism (7) includes moving assembly (71) for controlling the movement of wire harness and clamping assembly (72) for fixing wire harness; moving assembly (71) is installed in the inside of control box (2), and clamping assembly (72) is installed on moving assembly (71).

2. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 1, characterized in that, The front end of the combustion box (1) is provided with an observation window made of transparent material.

3. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 1, characterized in that, The left end of the combustion box (1), the left end of the first fixed ring frame (31) and the left end of the second fixed ring frame (32) are all provided with a relief groove.

4. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 3, characterized in that, The surrounding mechanism (33) comprises a rotating ring (331), a driven gear ring (332), a fixed plate (333), a driving gear (334), a driven gear (335), a surrounding driving assembly and a guide wheel (339), the rotating ring (331) is rotatably installed at the upper end of the first fixed ring frame (31), and the driven gear ring (332) is fixedly installed at the inner ring of the rotating ring (331); the fixed plate (333) is fixedly installed at the lower end right side of the first fixed ring frame (31), the driving gear (334) is rotatably installed at the lower end front side of the fixed plate (333), and the driven gear (335) is rotatably installed at the lower end rear side of the fixed plate (333); the driving gear (334) and the driven gear (335) are in meshing connection with the driven gear ring (332); the surrounding driving assembly is installed at the lower end of the first fixed ring frame (31), and the surrounding driving assembly is connected with the driving gear (334) and the driven gear (335); a plurality of guide wheels (339) are rotatably installed at the upper end of the first fixed ring frame (31), and the guide wheels (339) are in rolling connection with the rotating ring (331); and the first flame jet head (4) is fixedly installed at the upper end of the rotating ring (331).

5. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 4, characterized in that, The surrounding driving assembly comprises a synchronous wheel (336), a synchronous belt (337) and a motor (338), the lower ends of the driving gear (334) and the driven gear (335) are fixedly installed with the synchronous wheel (336); the outer sides of the two synchronous wheels (336) are provided with the synchronous belt (337) so as to be in driving connection; the synchronous wheel (336) connected with the driving gear (334) is arranged as a driving wheel, and the synchronous wheel (336) connected with the driven gear (335) is arranged as a driven wheel; the motor (338) is fixedly installed at the lower end right side of the first fixed ring frame (31), and the output end of the motor (338) is fixedly connected with the driving wheel.

6. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 1, characterized in that, The moving assembly (71) comprises a cylinder (711), a guide rod (712) and a vertical plate (713), the cylinder (711) is fixedly installed in the control box body (2), and the output end of the cylinder (711) is fixedly connected with the vertical plate (713); the right ends of the guide rods (712) are symmetrically fixedly installed on the left end of the vertical plate (713) on the upper and lower sides; and the left ends of the guide rods (712) are in limiting sliding connection with the right end of the control box body (2).

7. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 6, characterized in that, The clamping assembly (72) comprises fixed clamping blocks (721), a lead screw (722), a clamping guide rod (723), a knob (724), a connecting plate (725) and a movable clamping block (726), the fixed clamping blocks (721) are symmetrically fixedly installed on the upper and lower two sides at the back of the right end of the vertical plate (713), and the connecting plate (725) is symmetrically fixedly installed on the upper and lower two sides at the front of the right end of the vertical plate (713); the rear end of the lead screw (722) is rotatably connected with the fixed clamping block (721); the front end of the lead screw (722) is rotatably connected with the connecting plate (725); the movable clamping block (726) is threadedly connected with the lead screw (722); the front end of the clamping guide rod (723) is fixedly connected with the movable clamping block (726); the rear end of the clamping guide rod (723) is limitingly and slidably connected with the fixed clamping block (721); the knob (724) is rotatably installed at the front end of the connecting plate (725), and the knob (724) is fixedly connected with the lead screw (722).

8. The device for detecting the flame retardant performance of the automobile wire failure analysis according to claim 7, characterized in that, Symmetrical clamping grooves are arranged at the ends of the fixed clamping blocks (721) and the movable clamping block (726) close to each other.

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