CN209372730U - A kind of Glow Wire Tester - Google Patents
A kind of Glow Wire Tester Download PDFInfo
- Publication number
- CN209372730U CN209372730U CN201822262389.3U CN201822262389U CN209372730U CN 209372730 U CN209372730 U CN 209372730U CN 201822262389 U CN201822262389 U CN 201822262389U CN 209372730 U CN209372730 U CN 209372730U
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- experimental provision
- test panel
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- wire
- cavity
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Abstract
The utility model discloses a kind of Glow Wire Testers, including a test panel, the bottom setting supporting leg of test panel supports, test panel upper surface opens up a cavity, one experimental provision of activity installation in cavity, the direction of motion of experimental provision is provided with counter weight device, wrap-up is provided in the other end test panel of experimental provision, by a soft wire body connection between wrap-up and experimental provision and counter weight device, heating wire head is installed in the test panel between experimental provision and counter weight device.The utility model selects motor to rotate the soft unwrapping wire of cam, and the other end selects flexible cord to hang counterweight and pulls the fixed trolley travelling of sample to designated position with average rate, ensure that the accuracy of motive force.
Description
Technical field
The utility model relates to electric and electronic product, household electrical appliance test field, in particular to a kind of Glow Wire Tester.
Background technique
Glow Wire Tester is suitable for electric and electronic product, household electrical appliance and its material etc. carry out fire hazard test and
Combustibility test is simulated under failure or overload condition, and the heat source or fire origin of glow element or overload resistance etc are short
Thermal stress caused by time, regards whether test product and wall to wall ignition or are held and fire the time to measure electrotechnical, electronic equipment finished product
Fire hazard.
Existing colleague's equipment selects motor lead screw as moving component substantially, and bearing causes to work as test sample as guiding
It is excessive with measuring head impact force, cause final test power to be above standard and requires the power of 0.95N.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of Glow Wire Testers, select motor rotation cam soft
Property unwrapping wire, the other end selects flexible cord to hang counterweight to pull the fixed trolley travelling of sample to ensure that motive force to designated position with average rate
Accuracy.
The utility model is achieved through the following technical solutions: a kind of Glow Wire Tester, including a test panel,
The bottom setting supporting leg of test panel supports, and test panel upper surface opens up a cavity, one experiment dress of activity installation in cavity
It sets, the direction of motion of experimental provision is provided with counter weight device, it is provided with wrap-up in the other end test panel of experimental provision,
By a soft wire body connection between wrap-up and experimental provision and counter weight device, between experimental provision and counter weight device
Heating wire head is installed in test panel.
The experimental provision includes a trolley as a preferred technical solution, installs a bracket, the top of bracket on trolley
Test sample fixture is installed, the sample to be tested for clamping, a tourelle, institute are installed in the position at four angles of trolley respectively
Stating tourelle is four guide bearings, and four guide bearing rollings are mounted on cavity two sides and move along cavity direction
It is dynamic.
Any one side protrusion one shifting block of setting and a sensor block of the trolley as a preferred technical solution,
Shifting block is inserted between mechanical limit switch and inductive signal switch, and the switch key of mechanical limit switch faces shifting block and sets
It sets.
The test sample fixture uses two clamping cylinders and two clamping plates, two clamping plates as a preferred technical solution,
Between form clamping chamber, clamping cylinder is fixedly installed on bracket.
The counter weight device includes a weight brackets as a preferred technical solution, and it is sliding that counterweight is equipped on weight brackets
Driving wheel is provided with wire casing on counterweight movable pulley, and soft wire body buckles into wire casing, and bottom system fills a mass.
The wrap-up includes a rotating electric machine and a flexible cord cam, soft wire body as a preferred technical solution,
On flexible cord cam, soft wire body is wound by flexible cord cam.
The soft wire body uses a soft wirerope as a preferred technical solution, is provided with correspondence in test panel
Outlet aperture.
The beneficial effects of the utility model are: the utility model selects motor to rotate the soft unwrapping wire of cam, the other end is selected
Flexible cord hangs counterweight and pulls the fixed trolley travelling of sample to designated position with average rate, ensure that the accuracy of motive force.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure signal of the utility model.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As shown in Figure 1, including a test panel 1, the bottom setting supporting leg of test panel 1 supports 2, in test panel 1
End face opens up a cavity 3, and one experimental provision of activity installation, the direction of motion of experimental provision are provided with counter weight device in cavity 3, real
It is provided with wrap-up in the other end test panel of experiment device, is passed through between wrap-up and experimental provision and counter weight device
One soft wire body is (not shown) to be connected, and heating wire head 4 is installed in the test panel between experimental provision and counter weight device.
Wherein, experimental provision includes a trolley 5, and a bracket 6, the top installation test sample folder of bracket 6 are installed on trolley 5
A tourelle is installed in tool, the sample to be tested for clamping, the position at four angles of trolley 5 respectively, in the present embodiment, rolls
Device is four guide bearings 7, and four rollings of guide bearing 7 are mounted on 3 two sides of cavity and move along 3 direction of cavity.
Any one side protrusion one shifting block 8 of setting and a sensor block 9, shifting block 8 of trolley 5 are inserted into mechanical position limitation and open
It closes between 10 and inductive signal switch 11, the switch key of mechanical limit switch 10 faces shifting block setting.
Test sample fixture uses two clamping cylinders 12 and two clamping plates 13, and clamping chamber, folder are formed between two clamping plates 13
Tight cylinder 12 is fixedly installed on bracket, and sample to be tested is constantly fixedly clamped by this by clamping cylinder, convenient for disassembly and assembly,
When test, needs heating wire head reaching test temperature by short circuit current, test specimen is then clamped in test specimens
On product fixture, then realize that soft contact collides, and realizes soft striking experiment using the positive rotation of motor, it is accurate to improve
Property.
Counter weight device includes a weight brackets 14, is equipped with counterweight movable pulley 15, counterweight movable pulley 15 on weight brackets 14
On be provided with wire casing, soft wire body buckles into wire casing, and bottom system fills a mass, and in the present embodiment, mass uses one
The counterweight of 0.95N drives flexible cord cam by motor positive rotation, discharges soft wirerope simultaneously, and counterweight movable pulley chain is connected to a
The weight of weight 0.95N pulls trolley to be forwarded to heating wire head contact point, this pulling force for being is that the power of counterweight 0.95N makes sample
Heating wire head is touched, soft link transmission ensure that the accuracy of test collisions power.
Wherein, wrap-up includes a rotating electric machine 16 and a flexible cord cam 17, and soft wire body is wound on flexible cord cam
On 17, soft wire body is wound by flexible cord cam 17, in the present embodiment, soft wire body uses a soft wirerope, test panel 1
On be provided with corresponding outlet aperture, naturally it is also possible to using other soft wire bodies, do not limit specifically herein.
The beneficial effects of the utility model are: the utility model selects motor to rotate the soft unwrapping wire of cam, the other end is selected
Flexible cord hangs counterweight and pulls the fixed trolley travelling of sample to designated position with average rate, ensure that the accuracy of motive force.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of Glow Wire Tester, it is characterised in that: including a test panel, supporting leg branch is arranged in the bottom of test panel
Support, test panel upper surface open up a cavity, and one experimental provision of activity installation, the direction of motion of experimental provision are provided in cavity
Counter weight device is provided with wrap-up, wrap-up and experimental provision and counterweight in the other end test panel of experimental provision
By a soft wire body connection between device, heating wire head is installed in the test panel between experimental provision and counter weight device.
2. Glow Wire Tester as described in claim 1, it is characterised in that: the experimental provision includes a trolley, on trolley
One bracket is installed, test sample fixture, the sample to be tested for clamping, the position at four angles of trolley are installed in the top of bracket
One tourelle is installed respectively, the tourelle is four guide bearings, and four guide bearing rollings are mounted on cavity two sides
It is moved on face and along cavity direction.
3. Glow Wire Tester as claimed in claim 2, it is characterised in that: protrude setting in any one side of the trolley
One shifting block and a sensor block, shifting block are inserted between mechanical limit switch and inductive signal switch, and mechanical limit switch is opened
Close button faces shifting block setting.
4. Glow Wire Tester as claimed in claim 2, it is characterised in that: the test sample fixture uses two clamping gas
Cylinder and two clamping plates, form clamping chamber between two clamping plates, and clamping cylinder is fixedly installed on bracket.
5. Glow Wire Tester as described in claim 1, it is characterised in that: the counter weight device includes a weight brackets, weight
Counterweight movable pulley is installed on code bracket, wire casing is provided on counterweight movable pulley, soft wire body buckles into wire casing, bottom system
Fill a mass.
6. Glow Wire Tester as described in claim 1, it is characterised in that: the wrap-up include a rotating electric machine and
One flexible cord cam, soft wire body wind soft wire body on flexible cord cam, through flexible cord cam.
7. the Glow Wire Tester as described in claim 1 or 5 or 6, it is characterised in that: the soft wire body uses a soft steel
Cord is provided with corresponding outlet aperture in test panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822262389.3U CN209372730U (en) | 2018-12-30 | 2018-12-30 | A kind of Glow Wire Tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822262389.3U CN209372730U (en) | 2018-12-30 | 2018-12-30 | A kind of Glow Wire Tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372730U true CN209372730U (en) | 2019-09-10 |
Family
ID=67828675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822262389.3U Active CN209372730U (en) | 2018-12-30 | 2018-12-30 | A kind of Glow Wire Tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372730U (en) |
-
2018
- 2018-12-30 CN CN201822262389.3U patent/CN209372730U/en active Active
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