CN104142297A - Device and method for testing bonding strength of front window glass of internal combustion locomotive cab - Google Patents
Device and method for testing bonding strength of front window glass of internal combustion locomotive cab Download PDFInfo
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- CN104142297A CN104142297A CN201410402223.0A CN201410402223A CN104142297A CN 104142297 A CN104142297 A CN 104142297A CN 201410402223 A CN201410402223 A CN 201410402223A CN 104142297 A CN104142297 A CN 104142297A
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Abstract
The invention relates to the technical field of front window glass bonding of an internal combustion locomotive cab, and in particular relates to a device and method for testing the bonding strength of the front window glass of the internal combustion locomotive cab. The device comprises a test device body, channel steel and a weight, wherein the channel steel is arranged on the test device body; the weight is arranged on the channel steel. The test method comprises the following steps of static load test and impact load test. The device for testing the bonding strength of the front window glass of the internal combustion locomotive cab tests static load and impact load of the front window glass of the cab by simulating the bonding mounting of the front window glass and checks a maximum load value on a bonding part; meanwhile, the design reliability of a joint is checked, and a relatively good practical effect is achieved; a basis is supplied to the design.
Description
Technical field
The present invention relates to a kind of bonding strength test, relate in particular to a kind of diesel locomotive cab front screen bonding strength test unit and test method.
Background technology
The mounting means of two cab HXN5 types, DF11G type, SDD17 type, SDD7 type locomotive cab front window glass adopts polyurethane adhesive technique for sticking; and unconventional mechanical fasteners mounting process; it is bonding that this bonded structure belongs to structural type; require tackifier and bonded joint to there is higher strength character, guarantee locomotive operation safety., the test of bonding strength is only tested the intensity of tackifier own, the bonded joint after never glass being installed carries out the test of bonding strength in the past.
Summary of the invention
The present invention is intended to address the aforementioned drawbacks, and a kind of diesel locomotive cab front screen bonding strength test unit and test method are provided.
In order to overcome the defect existing in background technology, the technical solution adopted for the present invention to solve the technical problems is: this diesel locomotive cab front screen bonding strength test unit and test method comprise test unit, channel-section steel and counterweight, on test unit, place channel-section steel, described counterweight is placed on channel-section steel.
According to another embodiment of the invention, the height that further comprises described channel-section steel exceeds test unit.
According to another embodiment of the invention, further comprise that described this test method comprises static load test and scragging:
Described static load test:
The first step, the framework that needs are detected keep flat to test unit and reverse side upwards, fastening,
Second step, is placed on two channel-section steels to be close to the on glass of bonding position, and exceeds plane on framework,
The 3rd step, puts putting down gently of counterweight on channel-section steel, standing a period of time, during observe the variable condition of being pressed glass and bonding position, cancel after load, check whether the bonding position of glass occurs to adhere to destroy;
Described scragging:
The first step, the framework that needs are detected keep flat to the platform of test unit and reverse side upwards, fastening,
Second step, by the sandbag of at least one and Different Weight grade successively from a certain height freely falling body, sandbag frontal impact glass,
The 3rd step, checks each bonding position and glass clashing into.
According to another embodiment of the invention, the sandbag that further comprises described same weight grade must not test and is less than 3 times.
The invention has the beneficial effects as follows: after the bonding installation of this diesel locomotive cab front screen bonded joint bonding strength test unit by simulation cab front window glass, it is carried out to static load, scragging, verify the maximum load value that bonding position can bear, the reliability of simultaneous verification joint design, played good practical function, for design provides foundation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Wherein: 1, counterweight, 2, channel-section steel, 3, test unit.
Embodiment
Fig. 1 is structural representation of the present invention, and figure comprises test unit 3, channel-section steel 2 and counterweight 1, places channel-section steel 2 on test unit 3, and described counterweight 1 is placed on channel-section steel 2.
The height of channel-section steel 2 exceeds test unit 3.
This test method comprises static load test and scragging:
Described static load test:
The first step, the framework that needs are detected keep flat to test unit 3 and reverse side upwards, fastening,
Second step, is placed on two channel-section steels 2 to be close to the on glass of bonding position, and exceeds plane on framework,
The 3rd step, puts putting down gently of counterweight 1 on channel-section steel 2, standing a period of time, during observe the variable condition of being pressed glass and bonding position, cancel after load, check whether the bonding position of glass occurs to adhere to destroy;
Described scragging:
The first step, the framework that needs are detected keep flat to the platform of test unit 3 and reverse side upwards, fastening,
Second step, by the sandbag of at least one and Different Weight grade successively from a certain height freely falling body, sandbag frontal impact glass,
The 3rd step, checks each bonding position and glass clashing into.
The sandbag of same weight grade must not test and is less than 3 times.
Implementation column:
According to technique for sticking flow process and requirement, complete the bonding work of glass, through carrying out static load and scragging after n days solidify:
The static load method of exerting pressure is verified bonding strength: the framework that needs are detected lies on test unit 3, framework reverse side upwards, test unit 3 is fastening by framework, then two channel-section steels 2 are placed on and are close to the on glass of bonding position, and exceed plane on framework 3, finally by the counterweight 1(of constant weight, the maximum vibration numerical value can be according to locomotive operation time converts) put down gently and put on channel-section steel 2, standing a period of time, observe during this time the variable condition of being pressed glass and bonding position, cancel after counterweight 1, check whether the bonding position of glass destruction occurs to adhere to, whether glass is excellent, can judge that whether qualified its checking is.
Shock load method checking bonding strength: the framework that needs are detected lies on test unit 3, framework reverse side upwards, test unit 3 is fastening by framework, by the sandbag of Different Weight grade successively from a certain height freely falling body n time, for the repeatability of warranty test result, the test of same weight grade must not be less than 3 times.
Must make its frontal impact glass at every turn, the sandbag of each weight grade clashes into 8 times, after each shock, must check bonding position and glass, as do not occurred, adhere to and destroy, glass is excellent, illustrate that adhesive portion potential energy bears the impact of this weight grade, gather the test findings of above-mentioned each weight grade, can determine the Maximal shock load value can bear after this polymer adhesive glass.
After the bonding installation of this diesel locomotive cab front screen bonded joint bonding strength test unit by simulation cab front window glass, it is carried out to static load, scragging, verify the maximum load value that bonding position can bear, the reliability of simultaneous verification joint design, played good practical function, for design provides foundation.
Claims (4)
1. a diesel locomotive cab front screen bonding strength test unit, comprise test unit (3), channel-section steel (2) and counterweight (1), it is characterized in that: the upper channel-section steel (2) of placing of described test unit (3), described counterweight (1) is placed on channel-section steel (2).
2. diesel locomotive cab front screen bonding strength test unit as claimed in claim 1, is characterized in that: the height of described channel-section steel (2) exceeds test unit (3).
3. the test method of diesel locomotive cab front screen bonding strength test unit as claimed in claim 1, is characterized in that: described this test method comprises static load test and scragging:
Described static load test:
The first step, the framework that needs are detected keep flat and reverse side upper to test unit (3) upwards, fastening,
Second step, is placed on two channel-section steels (2) to be close to the on glass of bonding position, and exceeds plane on framework,
The 3rd step, puts channel-section steel (2) by putting down gently of counterweight (1) upper, standing a period of time, during observe the variable condition of being pressed glass and bonding position, cancel after load, check whether the bonding position of glass occurs to adhere to destroy;
Described scragging:
The first step, the framework that needs are detected keep flat to the platform of test unit (3) and reverse side upwards, fastening,
Second step, by the sandbag of at least one and Different Weight grade successively from a certain height freely falling body, sandbag frontal impact glass,
The 3rd step, checks each bonding position and glass clashing into.
4. the test method of diesel locomotive cab front screen bonding strength test unit as claimed in claim 3, is characterized in that: the sandbag of described same weight grade must not test and is less than 3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410402223.0A CN104142297B (en) | 2014-08-15 | 2014-08-15 | Diesel locomotive cab front screen adhesive strength testing equipment and test method |
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| CN201410402223.0A CN104142297B (en) | 2014-08-15 | 2014-08-15 | Diesel locomotive cab front screen adhesive strength testing equipment and test method |
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| CN104142297A true CN104142297A (en) | 2014-11-12 |
| CN104142297B CN104142297B (en) | 2017-03-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374642A (en) * | 2014-11-25 | 2015-02-25 | 三峡大学 | Testing method for measuring tensile strength of rock by multiple times of splitting |
| CN104931415A (en) * | 2015-06-11 | 2015-09-23 | 上海福耀客车玻璃有限公司 | Device for quickly identifying bonding fastness of clad glass |
| CN105259108A (en) * | 2015-10-23 | 2016-01-20 | 南京南车浦镇城轨车辆有限责任公司 | Elastic adhesive fatigue property test structure and manufacturing method thereof |
| CN110927060A (en) * | 2019-12-06 | 2020-03-27 | 常州市节节高电子科技有限公司 | Detection apparatus for detect glass shield door bonding quality |
| CN114441311A (en) * | 2022-01-13 | 2022-05-06 | 东风柳州汽车有限公司 | Vehicle-mounted glass cement performance evaluation method, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104374642A (en) * | 2014-11-25 | 2015-02-25 | 三峡大学 | Testing method for measuring tensile strength of rock by multiple times of splitting |
| CN104931415A (en) * | 2015-06-11 | 2015-09-23 | 上海福耀客车玻璃有限公司 | Device for quickly identifying bonding fastness of clad glass |
| CN105259108A (en) * | 2015-10-23 | 2016-01-20 | 南京南车浦镇城轨车辆有限责任公司 | Elastic adhesive fatigue property test structure and manufacturing method thereof |
| CN105259108B (en) * | 2015-10-23 | 2018-10-30 | 南京中车浦镇城轨车辆有限责任公司 | A kind of elastic attachment adhesive fatigue property test structure and preparation method thereof |
| CN110927060A (en) * | 2019-12-06 | 2020-03-27 | 常州市节节高电子科技有限公司 | Detection apparatus for detect glass shield door bonding quality |
| CN110927060B (en) * | 2019-12-06 | 2022-06-21 | 常州市节节高电子科技有限公司 | Detection apparatus for detect glass shield door bonding quality |
| CN114441311A (en) * | 2022-01-13 | 2022-05-06 | 东风柳州汽车有限公司 | Vehicle-mounted glass cement performance evaluation method, device, equipment and storage medium |
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