CN210294194U - Combustor angle limiting device for flame vertical spreading test - Google Patents
Combustor angle limiting device for flame vertical spreading test Download PDFInfo
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- CN210294194U CN210294194U CN201920832641.1U CN201920832641U CN210294194U CN 210294194 U CN210294194 U CN 210294194U CN 201920832641 U CN201920832641 U CN 201920832641U CN 210294194 U CN210294194 U CN 210294194U
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Abstract
A burner angle limiting device for a flame vertical spreading test comprises a support frame, a mounting plate and a blowtorch, wherein an arc-shaped long groove is formed in the side wall of the support frame, angle scales are arranged on the side wall along the radian direction of the arc-shaped long groove, one end of the mounting plate is hinged in the support frame, a magnet is respectively arranged on a fixing piece and the mounting plate of the blowtorch and can be adsorbed together, after the flame spreading test is carried out once, the blowtorch can return to the original position only by rotating the mounting plate to separate the two magnets, when the test is carried out again, the mounting plate is rotated to adsorb the two magnets together, the angle of the blowtorch on the mounting plate can be limited, compared with the traditional method that the scale mark needs to be checked when the angle of the mounting plate is adjusted every time and the butterfly screw is rotated again to fix, the operation is simpler and more convenient, and, saving time and improving efficiency.
Description
Technical Field
The utility model belongs to cable conductor detection device field, concretely relates to flame vertically spreads experimental combustor angle stop device of using.
Background
In the development of GB/T18380.12-2008 "flame test of cables and cables under flame conditions section 12: when 1KW premixed flame test method is used for single insulated wire and cable flame vertical spread test, item 5.4.1 stirs that the position of a blast lamp is required to form an included angle of (45 +/-2) ° between the blast lamp and the vertical axis of a sample.
The support frame right side wall of the existing blowtorch combustor is provided with a 45-degree angle marking line, a blowtorch is fixed on a mounting plate, the mounting plate is hinged in the support frame, the left side wall and the right side wall of the support frame are both provided with arc-shaped long grooves, a butterfly screw is inserted in the arc-shaped long groove at one side, the threaded end of the butterfly screw is in threaded connection with the mounting plate of the blowtorch to play a role in fixing, in the actual operation process, the mounting plate at the lower part of the blowtorch is lifted up by a right hand firstly, then the side body observes whether the position of the mounting plate reaches the marking line or not, and then the butterfly screw.
However, when a flame spread vertical burning test is performed, the number of cables to be tested in batches is large, the butterfly screws need to be loosened again after a single electric wire and cable test is completed, the blowtorch returns to take out the electric wire and cable, and the mounting plate of the blowtorch needs to be adjusted again to be inclined at an angle of 45 degrees during the test again, so that the mounting plate of the blowtorch needs to be frequently adjusted to an angle of 45 degrees and then locked during the batch test, the operation is complicated, and the repeated adjustment brings great inconvenience to users, so that the improvement is needed.
Disclosure of Invention
The utility model aims at providing a flame is experimental with combustor angle stop device that spreads perpendicularly to it is comparatively loaded down with trivial details, the inconvenient problem of operation to solve prior art blowtorch combustor angle of adjustment when carrying out batch test.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a burner angle limiting device for a flame vertical spreading test comprises a support frame, a mounting plate and a blast burner, wherein an arc-shaped long groove is formed in the side wall of the support frame, angle scales are arranged on the side wall along the radian direction of the arc-shaped long groove, one end of the mounting plate is hinged in the support frame, the hinge joint of the mounting plate and the support frame is located at the circle center of the arc-shaped long groove, the blast burner is fixed to the top surface of the mounting plate, and an angle limiting assembly is arranged in the arc-shaped long groove; the angle limiting assembly comprises a bolt and a fixing piece, the threaded end of the bolt penetrates through the arc-shaped long groove to be in threaded connection with the fixing piece, and a first magnet is arranged on one surface, facing the top surface of the mounting plate, of the fixing piece; correspond to on the mounting panel first magnet department embedding has the second magnet, the second magnet with the polarity of first magnet is opposite, at the during operation the second magnet adsorbs on the first magnet.
In the above scheme, the one end fixedly connected with handle of pin joint is kept away from to the mounting panel.
In the scheme, the aramid fiber heat insulation sleeve is sleeved on the outer wall of the handle.
In the above scheme, the mounting panel is the stainless steel mounting panel, and at the during operation the stainless steel mounting panel adsorbs on first magnet.
In the above scheme, the threaded end of the bolt penetrates through the fixing piece, and the end part of the threaded end is connected with the limiting piece.
The utility model discloses has following effect: the utility model discloses an install a mobilizable angle spacing subassembly in the arc elongated slot on the support frame, this angle spacing subassembly includes a bolt and stationary blade, the screw thread end of bolt passes arc elongated slot and carries out threaded connection with the stationary blade, set up a magnet respectively on the mounting panel of stationary blade and blowtorch, the magnet can adsorb together, in operation, loosen the bolt first, after synchronous rotation blowtorch mounting panel and angle spacing subassembly to 45 degrees or other settlement angles, screw the bolt and make the magnet on the stationary blade fixed, after the flame spread test is carried out to the single time, only need rotate the mounting panel and make two magnet separate, can make the blowtorch return, in the time of the retest, rotate the mounting panel and make two magnet adsorb together, can carry out angle spacing to the blowtorch on the mounting panel, compared with the traditional need look over the scale mark when adjusting the mounting panel angle each time, rotate the butterfly screw again and fix, the operation is simpler and more convenient, the trouble of frequent adjustment in subsequent batch tests is saved by one-time operation, the time is saved, and the efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic view of a mounting plate structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an angle limiting assembly according to an embodiment of the present invention.
In the above drawings: the device comprises a support frame 1, an arc-shaped long groove 11, a mounting plate 2, a second magnet 21, a handle 22, an aramid fiber heat insulation sleeve 221, a torch 3, a 4-angle limiting component, a bolt 41, a limiting piece 411, a fixing piece 42 and a first magnet 43.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): referring to FIGS. 1-3: a burner angle limiting device for a flame vertical spreading test comprises a support frame 1, a mounting plate 2 and a blast burner 3;
referring to fig. 1, the side wall of the support frame 1 is provided with arc-shaped long grooves 11, and angle scales (not shown in the figure) are arranged on the side wall of the support frame 1 along the radian direction of the arc-shaped long grooves 11, the arc-shaped long grooves 11 are used for installing the angle limiting assemblies 4, the number of the arc-shaped long grooves 11 can be two, the two arc-shaped long grooves are respectively located on the left side wall and the right side wall of the support frame 1, and the angle limiting assemblies 4 can be simultaneously installed in the two arc-shaped long grooves 11 to enhance the adsorption;
referring to fig. 1-2, one end of the mounting plate 2 is hinged to the inner side wall of the support frame 1 through a pin shaft, a hinge point is located at the center of the arc-shaped long groove 11, and the mounting plate 2 is used for fixing the blowtorch 3; the top surface of the mounting plate 2 is also embedded with a second magnet 21, specifically, a groove can be formed in the top surface of the mounting plate 2, the depth of the groove is consistent with the thickness of the second magnet 21, the second magnet 21 is bonded to the bottom surface of the groove through glue, and the second magnet 21 is used for adsorbing the first magnet 43; the mounting plate 2 can also be a stainless steel mounting plate which can be directly adsorbed on the first magnet 43 when in work;
referring to fig. 1, a base of a torch 3 is welded and fixed on the top surface of a mounting plate 2, a gas connecting pipe (not shown in the figure) is arranged on the torch 3, during a test, gas is introduced into the torch 3 to be ignited to generate flame, the angle between the torch 3 and a wire cable is adjusted, the wire cable is burned by using the inner flame of the torch 3, and the flame vertical spreading test is performed;
referring to fig. 1 and 3, an angle limiting component 4 is arranged in the arc-shaped long groove 11; specifically, the angle limiting assembly 4 comprises a bolt 41 and a fixing piece 42, the threaded end of the bolt 41 penetrates through the arc-shaped long groove 11 to be in threaded connection with the fixing piece 42, the fixing piece 42 is in an L shape, and a first magnet 43 is bonded on one surface, facing the top surface of the mounting plate 2, of the fixing piece 42 through glue; the polarity of the second magnet 21 is opposite to that of the first magnet 43, the second magnet 21 is adsorbed on the first magnet 43 when in work, and the second magnet 21 is embedded in the mounting plate 2, so that the angle limitation of the mounting plate 2 can be realized;
when specifically using, loosen bolt 41 earlier, synchronous rotation fixes the mounting panel 2 of blowtorch 3 and behind the 4 to 45 angles of angle spacing subassembly or other settlement angles, the bolt 41 of screwing makes the lateral wall of stationary blade 42 support and lean on support frame 1 and press from both sides tightly, fix first magnet 43, after the single test, it makes first magnet 43 and second magnet 21 separation to rotate mounting panel 2, can make blowtorch 3 on the mounting panel 2 return in order to take off electric wire and cable, only need rotate mounting panel 2 during the retest and make second magnet 21 adsorb on first magnet 43 again, can accomplish the spacing to 3 angles of blowtorch on the mounting panel 2.
Referring to fig. 1, a handle 22 is welded to the end of the mounting plate 2 away from the hinge point, and the handle 22 facilitates rotation of the mounting plate 2.
Referring to fig. 1, the aramid fiber heat insulation sleeve 221 is sleeved on the outer wall of the handle 22, during a test, the mounting plate 2 can be subjected to heat transfer of the torch 3, the mounting plate 2 is hot when the mounting plate 2 is rotated by direct touch, and the aramid fiber heat insulation sleeve 221 can play a heat insulation role.
Referring to fig. 3, a threaded end of the bolt 41 penetrates the fixing piece 42, and a limiting piece 411 is connected to an end of the threaded end, and the limiting piece 411 serves to limit the bolt 41 to prevent the bolt 41 from being separated from the fixing piece 42.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a flame vertically spreads experimental combustor angle stop device that uses which characterized in that: the device comprises a support frame (1), a mounting plate (2) and a blowtorch (3), wherein an arc-shaped long groove (11) is formed in the side wall of the support frame (1), angle scales are arranged on the side wall along the radian direction of the arc-shaped long groove (11), one end of the mounting plate (2) is hinged in the support frame (1), the hinged point of the mounting plate (2) and the support frame (1) is located at the circle center of the arc-shaped long groove (11), the blowtorch (3) is fixed on the top surface of the mounting plate (2), and an angle limiting component (4) is arranged in the arc-shaped long groove (11); the angle limiting assembly (4) comprises a bolt (41) and a fixing piece (42), the threaded end of the bolt (41) penetrates through the arc-shaped long groove (11) to be in threaded connection with the fixing piece (42), and a first magnet (43) is arranged on one surface, facing the top surface of the mounting plate (2), of the fixing piece (42); the mounting panel (2) is gone up and is corresponded to first magnet (43) department embedding has second magnet (21), second magnet (21) with the polarity of first magnet (43) is opposite, during operation second magnet (21) adsorb on first magnet (43).
2. The burner angle limiting device for the flame vertical propagation test according to claim 1, wherein: one end of the mounting plate (2) far away from the hinge point is fixedly connected with a handle (22).
3. The burner angle limiting device for the flame vertical propagation test according to claim 2, wherein: the outer wall cover of handle (22) is equipped with aramid fiber heat insulating sleeve (221).
4. The burner angle limiting device for the flame vertical propagation test according to claim 1, wherein: mounting panel (2) are the stainless steel mounting panel, at the during operation the stainless steel mounting panel adsorbs on first magnet (43).
5. The burner angle limiting device for the flame vertical propagation test according to claim 1, wherein: the threaded end of the bolt (41) penetrates through the fixing piece (42), and the end of the threaded end is connected with a limiting piece (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832641.1U CN210294194U (en) | 2019-06-04 | 2019-06-04 | Combustor angle limiting device for flame vertical spreading test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832641.1U CN210294194U (en) | 2019-06-04 | 2019-06-04 | Combustor angle limiting device for flame vertical spreading test |
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| CN210294194U true CN210294194U (en) | 2020-04-10 |
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| CN201920832641.1U Active CN210294194U (en) | 2019-06-04 | 2019-06-04 | Combustor angle limiting device for flame vertical spreading test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045829A (en) * | 2020-08-12 | 2020-12-08 | 湖北北新建材有限公司 | Automatic two-control side-spraying input method and device |
| CN113376312A (en) * | 2021-06-08 | 2021-09-10 | 广东优科检测认证有限公司 | Height-adjustable positioning combustion device of combustion testing machine |
-
2019
- 2019-06-04 CN CN201920832641.1U patent/CN210294194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045829A (en) * | 2020-08-12 | 2020-12-08 | 湖北北新建材有限公司 | Automatic two-control side-spraying input method and device |
| CN113376312A (en) * | 2021-06-08 | 2021-09-10 | 广东优科检测认证有限公司 | Height-adjustable positioning combustion device of combustion testing machine |
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