CN213148839U

CN213148839U - Electric wire and cable combustion testing machine

Info

Publication number: CN213148839U
Application number: CN202021423651.9U
Authority: CN
Inventors: 张嘉诚; 许琼; 黄俏
Original assignee: Taizhou Jiaojiang Construction Engineering Quality Detection Center Co ltd
Current assignee: Taizhou Jiaojiang Construction Engineering Quality Detection Center Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-05-07
Anticipated expiration: 2030-07-18

Abstract

The utility model relates to a wire and cable burning test machine relates to burning testing arrangement's field, including quick-witted case, quick-witted incasement is equipped with flame nozzle, still including rotating the post and being used for the drive to rotate post pivoted driving piece, the vertical setting of rotation post, the rotation post on the equipartition have two at least mounting grooves, the mounting groove with the axis of rotation post parallel, the mounting groove in be equipped with the holder, the lateral wall of quick-witted case on still be equipped with and wear out the groove, the rotation post pass wear out the groove and the part is located quick-witted incasement, the part is located quick-witted incasement outside, when a mounting groove is located quick-witted incasement, a mounting groove is located quick-witted incasement flame nozzle department. The method and the device have the effect of being capable of reducing the total test time when the samples are more.

Description

Electric wire and cable combustion testing machine

Technical Field

The application relates to the field of combustion testing devices, in particular to a wire and cable combustion testing machine.

Background

Currently, the single vertical burn test is a routine test item for wire and cable, wherein the burn performance of polymers under specified test conditions, i.e., the concentration by volume of the lowest oxygen at which the polymer just maintains combustion, is assessed using an oxygen index meter, which is suitable for the burn performance testing of plastics, rubbers, fibers, and various polymers.

Chinese patent with publication number CN203148912U discloses a single wire and cable comprehensive combustion test device, which comprises a combustion cavity, wherein a combustion table base is arranged in the combustion cavity, a combustion table and a sample clamp are fixed on the combustion table base, a combustion flame blowtorch is arranged on the combustion table, a detachable metal cover is further arranged on the combustion table base, the length x width x height of the metal cover is 0.31m x 0.36m x 0.61m, the metal cover is arranged outside the sample clamp, and the front wall and the top wall of the metal cover are open.

According to the related technology, a single wire or cable is fixed on the sample clamp, and then the wire or cable is subjected to combustion test through the combustion flame blowtorch, the scheme can only test one wire or cable at a time, so that when a plurality of samples to be tested are available, the total time consumption for testing the samples is long.

SUMMERY OF THE UTILITY MODEL

In order to reduce the total time of the test when the sample is more, this application provides a wire and cable burning test machine.

The application provides a wire and cable burning test machine adopts following technical scheme:

the utility model provides an electric wire and cable burning test machine, includes quick-witted case, quick-witted incasement is equipped with flame spray nozzle, still includes and rotates the post and be used for the drive to rotate post pivoted driving piece, the vertical setting of rotation post, the rotation post on the equipartition have two at least mounting grooves, the mounting groove with the axis of rotation post parallel, the mounting groove in be equipped with the holder, the lateral wall of quick-witted case on still be equipped with and wear out the groove, the rotation post pass wear out the groove and the part is located quick-witted incasement, when a mounting groove is located quick-witted incasement, a mounting groove is located the flame spray nozzle department of quick-.

Through adopting above-mentioned technical scheme, when using, pass through the holder with wire and cable and install in the mounting groove, because a mounting groove is located quick-witted incasement when, a mounting groove is located quick-witted incasement flame shower nozzle department, consequently, when a wire or cable test finish the back, the driving piece drives the rotation post and rotates, make wire or cable after the burning rotate outside quick-witted case, wire or cable that lie in simultaneously quick-witted incasement can be rotated the flame shower nozzle department to quick-witted incasement and carry out the burning test, operating personnel will rotate the wire or cable after the burning outside quick-witted case and take off and will await measuring wire or cable installation to the mounting groove in, consequently can effectually shorten the test total duration when the sample is more.

Preferably, a rubber layer is further arranged on the wall of the through groove, and the rubber layer is attached to the surface of the rotating column.

Through adopting above-mentioned technical scheme, because the surface of rubber layer and rotation post is laminated mutually, consequently can play better sealed effect, the smog that produces when reducing electric wire or cable burning is from wearing out the interior exhaust volume of inslot.

Preferably, the air extracting device further comprises an air extracting device, wherein the air extracting device comprises an air extracting pipe, and the air extracting pipe extends into the case.

Through adopting above-mentioned technical scheme, after the test, can extract the air of quick-witted incasement to draw the smog that produces when burning electric wire or cable to external world from quick-witted incasement, reduce the smog volume of quick-witted incasement.

Preferably, the vertical setting of exhaust column, the rotation post on still be equipped with the exhaust hole, the vertical setting of exhaust hole and with the mounting groove be linked together, the exhaust hole be located the top of mounting groove, the mounting groove be three, when a mounting groove is located outside the quick-witted case, a mounting groove is located the exhaust column under.

Through adopting above-mentioned technical scheme, because electric wire or cable are located the mounting groove, consequently, when burning, produced smog when electric wire or cable burning can be remained in the mounting groove, after electric wire or cable burning is accomplished, the driving piece drives the rotation post and rotates, make the mounting groove of installing electric wire or cable after the burning rotate to exhaust column department, because the exhaust hole is located the top of mounting groove and is linked together with the mounting groove, consequently, the exhaust column can extract remaining smog in the mounting groove, make remaining smog volume in the mounting groove less, and then make when the mounting groove of installing electric wire or cable after the test rotates outside quick-witted case, the smog volume of diffusion outside quick-witted case is less.

Preferably, the case comprises a case body and a case door connected with the case body, and the flame spray head is positioned at the case door.

Through adopting above-mentioned technical scheme, when the sample that awaits measuring is less, for example only when one, open the chamber door to install electric wire or cable in the mounting groove, close the chamber door afterwards and test electric wire or cable, open the chamber door after the test finishes, take out electric wire or cable after will testing. Therefore, when the number of samples to be detected is small, for example, only one sample is needed, the detection is more convenient through the arrangement of the box door.

Preferably, the mounting groove is internally provided with a bearing plate, and the bearing plate is detachably connected with the lower groove wall of the mounting groove.

Through adopting above-mentioned technical scheme, electric wire or cable can produce residues such as ashes at the in-process of burning test to drop to on accepting the board, consequently when accepting the board on having a certain amount of residues, can change and clear up accepting the board, thereby can keep the clean and tidy of quick-witted case.

Preferably, the bearing plate is provided with a magnet, and the lower groove wall of the mounting groove is provided with an iron plate.

Through adopting above-mentioned technical scheme, when accepting the board and installing in the mounting groove, magnet on accepting the board can with the iron plate actuation on the lower cell wall of mounting groove mutually, consequently can reduce and accept the problem emergence that the board breaks away from in the mounting groove at the pivoted in-process of rotation post.

Preferably, the holding piece is arranged on the bearing plate and at one end of the mounting groove far away from the bearing plate.

Through adopting above-mentioned technical scheme, because the one end of accepting the board with the mounting groove is kept away from all is equipped with the holder on accepting the board, consequently when carrying out the centre gripping to electric wire or cable, can carry out the centre gripping to the both ends of electric wire or cable to the centre gripping effect to electric wire or cable is better for the feasible.

In summary, the present application includes at least one of the following beneficial technical effects:

when the device is used, the wires and cables are installed in the installation grooves through the clamping pieces, and one installation groove is located at the flame spray nozzle in the case when the installation groove is located outside the case, so that after one wire or cable is tested, the driving piece drives the rotating column to rotate, the tested wire or cable rotates to the outside of the case, meanwhile, the wire or cable located outside the case can be rotated to the flame spray nozzle in the case for testing, an operator takes the tested wire or cable out of the case and installs the tested wire or cable in the installation groove, and therefore the total test time of a large number of samples can be effectively shortened;

because the rubber layer is attached to the surface of the rotating column, a good sealing effect can be achieved, and the amount of smoke discharged from the penetrating groove when the electric wire or cable is burnt is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic internal structure diagram of a chassis according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a rotary column and a bearing plate according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a punching groove in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of an indicator board according to an embodiment of the present application.

Description of reference numerals: 1. a chassis; 11. a box body; 12. a box door; 13. a flame spray head; 14. penetrating out of the groove; 15. a rubber layer; 2. rotating the column; 21. mounting grooves; 22. an exhaust hole; 23. an iron plate; 3. a drive member; 31. a motor; 32. a speed reducer; 4. an exhaust pipe; 5. a clamping member; 51. a sleeve; 52. a bolt; 6. a bearing plate; 61. a magnet; 71. positioning a ruler; 72. an indicator panel; 721. a clamping groove; 73. a connecting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses wire and cable burning test machine, refer to fig. 1 and 2, including quick-witted case 1, rotation post 2, be used for the drive to rotate 2 pivoted driving piece 3 of post and updraft ventilator, quick-witted case 1 includes box 11 and the chamber door 12 that is connected with box 11, is equipped with the cavity that is used for installing driving piece 3 in quick-witted case 1, and driving piece 3 is motor 31 and the reduction gear 32 that is connected with motor 31, and reduction gear 32's output shaft and rotation post 2 fixed connection. The air draft device comprises an air draft tube 4 and a fan (not shown in the figure) connected with the air draft tube 4, and is used for exhausting gas generated by combustion in the case 1 and extending into the air draft tube 4 in the case 1 to be vertically arranged. A flame nozzle 13 is arranged in the case 1, and the flame nozzle 13 is positioned at the case door 12.

Referring to fig. 2 and 3, the rotation column 2 is vertically arranged, at least two mounting grooves 21 are uniformly distributed on the rotation column 2, the number of the mounting grooves 21 is three in the embodiment, the mounting grooves 21 are parallel to the axis of the rotation column 2, the rotation column 2 is further provided with exhaust holes 22, the exhaust holes 22 are vertically arranged and communicated with the mounting grooves 21, the exhaust holes 22 are located above the mounting grooves 21, and the mounting grooves 21 are internally provided with clamping pieces 5. The mounting groove 21 is also internally provided with a bearing plate 6, and the bearing plate 6 is detachably connected with the lower groove wall of the mounting groove 21. The bearing plate 6 is provided with a magnet 61, the lower groove wall of the mounting groove 21 is fixedly connected with an iron plate 23, and when the bearing plate 6 is mounted in the mounting groove 21, the magnet 61 on the bearing plate 6 and the iron plate 23 are attracted.

Referring to fig. 2 and 3, the holding member 5 is fixedly connected to both the receiving plate 6 and the mounting groove 21 at the end away from the receiving plate 6. The clamp 5 comprises a sleeve 51 and a bolt 52 screwed onto the barrel of the sleeve 51, the bolt 52 passing through the barrel and projecting into the sleeve 51. The sleeve 51 positioned on the bearing plate 6 is fixedly connected with the bearing plate 6, and the sleeve 51 positioned at one end of the mounting groove 21 far away from the bearing plate 6 is fixedly connected with the upper groove wall of the mounting groove 21.

When an electric wire or a cable is installed in the installation groove 21, one end of the electric wire or the cable is inserted into the sleeve 51 on the bearing plate 6, then the bolt 52 is rotated, so that one end of the bolt 52 abuts against the electric wire or the cable in the sleeve 51, the purpose of fixing one end of the electric wire or the cable is achieved, then the other end of the electric wire or the cable abuts against and is located in the sleeve 51 at one end, far away from the bearing plate 6, of the installation groove 21, and the purpose of installing the electric wire or the cable in the installation groove 21 is achieved.

Referring to fig. 4 and 5, a through groove 14 is further formed in the side wall of the case 1, the rotating column 2 penetrates through the through groove 14 and is partially located in the case 1 and partially located outside the case 1, a rubber layer 15 is further formed on the wall of the through groove 14, and the rubber layer 15 is attached to the surface of the rotating column 2. When one mounting groove 21 is located outside the cabinet 1, one mounting groove 21 is located at the flame spray 13 inside the cabinet 1, and one mounting groove 21 is located right below the exhaust pipe 4. The case 1 is further provided with a positioning ruler 71, the positioning ruler 71 is provided with scales, the positioning ruler 71 is located at the through groove 14, and connecting plates 73 are welded at two ends of the positioning ruler 71 and are fixedly connected with the case 1 through the connecting plates 73. The positioning rule 71 is detachably connected with an indicating plate 72, the indicating plate 72 is a metal thin plate (in this embodiment, an iron plate 23, the thickness of which is 1mm-2 mm), and one end of the indicating plate is bent to form a clamping groove 721 for clamping with the positioning rule 71. When the positioning rule 71 is located in the engaging groove 721, the wall of the engaging groove 721 is abutted against the surface of the positioning rule 71 to form a fixed position. When the position of the indicating plate 72 needs to be adjusted, the indicating plate 72 is taken down from the positioning rule 71 and moved to a proper position, and the clamping groove 721 is clamped with the positioning rule 71 again. The other end of the indicator plate 72 points to the wires or cables located in the mounting slot 21 outside the cabinet 1.

The implementation principle of this application embodiment wire and cable burning test machine is: when the detection sample is more, with electric wire or cable installation in mounting groove 21, motor 31 passes through reduction gear 32 and drives rotation post 2 and rotate, after the sintering back is fired to electric wire or cable that is located flame spray 13 department, motor 31 drives rotation post 2 and rotates, the mounting groove 21 of electric wire or cable after installing the burning rotates to exhaust column 4 department, and carry out convulsions to this mounting groove 21 through exhaust column 4, after rotating post 2 rotates once more, mounting groove 21 through convulsions processing can rotate outside quick-witted case 1 through wearing out groove 14, operating personnel can know the burning condition of electric wire or cable through operation indicator 72 position on location chi 71, the electric wire or cable after will burning is pulled down afterwards, and the new electric wire or cable of waiting to detect of change.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wire and cable burning test machine, includes quick-witted case (1), is equipped with flame shower nozzle (13) in quick-witted case (1), its characterized in that: still including rotating post (2) and being used for the drive to rotate post (2) pivoted driving piece (3), rotation post (2) vertical setting, rotation post (2) on the equipartition have two at least mounting grooves (21), mounting groove (21) with the axis of rotation post (2) parallel, mounting groove (21) in be equipped with holder (5), the lateral wall of quick-witted case (1) on still be equipped with and wear out groove (14), rotation post (2) pass wear out groove (14) and part be located quick-witted case (1), the part is located outside quick-witted case (1), when a mounting groove (21) is located quick-witted case (1) outside, a mounting groove (21) is located flame shower nozzle (13) department in quick-witted case (1).

2. The electric wire and cable combustion testing machine of claim 1, wherein: a rubber layer (15) is further arranged on the wall of the penetrating groove (14), and the rubber layer (15) is attached to the surface of the rotating column (2).

3. The electric wire and cable combustion testing machine of claim 1, wherein: the air extracting device comprises an air extracting pipe (4), and the air extracting pipe (4) extends into the case (1).

4. The electric wire and cable combustion testing machine of claim 3, wherein: the vertical setting of exhaust column (4), rotation post (2) on still be equipped with exhaust hole (22), exhaust hole (22) vertical setting and with mounting groove (21) be linked together, exhaust hole (22) be located the top of mounting groove (21), mounting groove (21) be three, when a mounting groove (21) is located outside quick-witted case (1), a mounting groove (21) is located exhaust column (4) under.

5. The electric wire and cable combustion testing machine of claim 1, wherein: the case (1) comprises a case body (11) and a case door (12) connected with the case body (11), and the flame spray head (13) is positioned at the case door (12).

6. The electric wire and cable combustion testing machine of claim 1, wherein: the mounting groove (21) is internally provided with a bearing plate (6), and the bearing plate (6) is detachably connected with the lower groove wall of the mounting groove (21).

7. The electric wire and cable combustion testing machine of claim 6, wherein: the bearing plate (6) is provided with a magnet (61), and the lower groove wall of the mounting groove (21) is provided with an iron plate (23).

8. The electric wire and cable combustion testing machine of claim 7, wherein: the bearing plate (6) and one end of the mounting groove (21) far away from the bearing plate (6) are provided with the clamping piece (5).