CN108195573B - Tension test device and method - Google Patents
Tension test device and method Download PDFInfo
- Publication number
- CN108195573B CN108195573B CN201711423431.9A CN201711423431A CN108195573B CN 108195573 B CN108195573 B CN 108195573B CN 201711423431 A CN201711423431 A CN 201711423431A CN 108195573 B CN108195573 B CN 108195573B
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- test
- counterweight
- purline
- adjusting
- base
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- 238000012360 testing method Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims description 8
- 238000009864 tensile test Methods 0.000 claims abstract description 8
- 238000010998 test method Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 21
- 230000001681 protective effect Effects 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 16
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a tensile test device which comprises a base, a support and a test arm, wherein the test arm can rotate on the support, a sliding rail is arranged on the base, one end of the sliding rail gradually bends and extends to the support, an adjusting table is slidably arranged on the sliding rail, a test article is clamped on the adjusting table, a counterweight is slidably arranged on the test arm, and the counterweight is connected with the test article through a test rope. According to the invention, the balance weight is used for simulating natural force, the direction of the acting force can be regulated only by regulating the included angle between the regulating table and the base, the acting forces in different directions of the roofs with different radians can be effectively detected, and the investment of manpower and material resources is reduced; the test method is convenient to operate, can accurately test the acting force of natural forces with different angles and different magnitudes on the protective material, avoids the trouble of installing by using a standard pretightening force, can apply the pretightening force during installation according to different actual conditions, can reduce unnecessary labor intensity, and improves the safety of the installation of the protective material.
Description
Technical Field
The invention relates to the technical field of house detection, in particular to a tensile test device and a tensile test method.
Background
In the roof structure of the existing building, a plurality of novel buildings can adopt composite materials convenient to disassemble as roofs, common roofs all adopt a modularized installation mode, purlines used for supporting the roof modules are outwards protruded on the roofs, and the roof modules between the purlines are used for draining water generally. Sometimes, some protection layers are required to be installed on the roof when necessary, if the roof is directly perforated, these mounting holes are prone to roof leakage during long term windy and sunny conditions. Conventional protective materials are typically installed on these purlins and, because of the inability to make holes, existing protective materials are typically clamped to the purlins by a number of clamps. Because purlines on the roof are numerous, the radian of the roof is different, the installation inclination angles of the purlines and the ground are different, and the natural destructive forces to which the purlines at each position are subjected are different, if the same clamping force standard is installed to install all protective materials, the installation is labor-consuming and labor-consuming, and the installation is quite unsafe, so that a test device and an experimental method which can imitate the condition of the existing building roof and the action of natural force on the protective materials are needed to solve the safety problem of the installation of the existing roof protective materials.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the test device and the test method which have simple structures and can effectively measure the clamping force required by the protective material and the roof under different conditions.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a tensile test device, includes the base, sets up support and telescopic test arm on the base, the rotatable installation of test arm is on the support, be equipped with the slide rail on the base, the one end of slide rail is crooked gradually to extend to on the support, slidable mounting has the adjustment platform on the slide rail, the test article is equipped with to the clamp on the adjustment platform, slidable is equipped with the counter weight on the test arm, the counter weight passes through the test rope and is connected with the test article.
As the improvement of the technical scheme, purlines are arranged on the adjusting table, and the test article is clamped on the purlines.
As an improvement of the technical scheme, the test arm is hinged with a pulley, and the test rope can roll through the pulley.
As an improvement of the technical scheme, the test arm is provided with a clamping hand for clamping the counterweight.
A tensile testing method comprising the steps of:
step 1: adjusting the included angle between the adjusting table and the base, locking the position of the adjusting table on the sliding rail, and recording the numerical value of the included angle;
step 2: adjusting the weight of the counterweight and the angle between the hinge point of the test rope and the test article, and controlling the clamping hand to release the counterweight;
step 3: if the test product is not separated from the purline after the test in the step 2, repeating the step 2 for a plurality of times until the times reach the preset times or the test product is separated from the purline; if the test product is separated from the purline after the test in the step 2, the weight of the counterweight is reduced until the test product is not separated from the purline after the step 2 is repeated for 3 times;
step 4: recording the weight of the counterweight when the test article is separated from the purline;
step (a) 5: and (3) repeating the steps 1 to 4 until the adjusting table is parallel to the bracket.
As an improvement of the above technical solution, step 1 further includes the following steps:
step 1.1: and adjusting the clamping force between the test article and the purline, and recording the clamping force.
As an improvement of the above technical solution, step 2 specifically includes:
step 2.1: adjusting the weight of the counterweight, adjusting the length of the test arm, and controlling the clamping hand to grasp the counterweight;
step 2.2: and rotating the test arm according to a preset angle, and controlling the clamping hand to loosen the balance weight.
The invention has the beneficial effects that:
the test device is characterized in that the base is provided with the bracket vertical to the base, a smooth and excessive sliding rail is arranged between the base and the bracket, the sliding rail is provided with the adjusting table, the test article is clamped on the purline, and the natural force is simulated by using the counterweight, so that the direction of the acting force can be adjusted only by adjusting the included angle between the adjusting table and the base, the clamping condition between the protective material and the purline on the roof with different radians can be effectively simulated, the acting forces in different directions of the roof with different radians can be effectively detected, technical preparation is made for later installation, the investment of manpower and material resources is reduced, and the safety of the installation of the protective material is improved; the test method is convenient to operate and accurate in test, can accurately test the acting force of natural forces with different magnitudes on the protective material under the angle, reduces the trouble of using a standard pretightening force in the process of installation, can apply the pretightening force during installation according to different actual conditions, reduces unnecessary labor intensity for the area with small acting force, increases pretightening force for the area with large acting force, improves safety, is small in size, is convenient to carry, is suitable for outdoor detection, and has strong practicability.
Drawings
The invention will be further described with reference to the accompanying drawings and specific examples, in which:
fig. 1 is a schematic structural view of an embodiment of the present invention.
Detailed Description
Referring to fig. 1, the tensile test device of the invention comprises a base 1, a support 2 arranged on the base 1 and a telescopic test arm 3, wherein the support 2 is vertically arranged on the base 1, the test arm 3 is rotatably arranged on the support 2, a sliding rail 11 is arranged on the base 1, one end of the sliding rail 11 is gradually bent and extends to the support 2, the sliding rail 11 is a bent arc-shaped sliding rail, and the two ends of the sliding rail are smoothly and excessively arranged on the support 2 and the base 1. The adjustable bench 12 is slidably arranged on the sliding rail 11, the test article 4 is clamped on the adjustable bench 12, the counterweight 31 is slidably arranged on the test arm 3, and the counterweight 31 is connected with the test article 4 through the test rope 32. The adjusting table 12 can slide on the sliding rail 11, the angle between the adjusting table 12 and the base 1 can be adjusted from the horizontal state to the vertical state, and the existing house with any radian can be simulated.
The purline 13 is installed on the adjusting table 12, the test article 4 is clamped on the purline 13, the actual condition of the roof can be simulated by using the test article 4 and the purline 13, and the actual installation condition of the purline 13 on the roof is close to the actual protective material, so that the test data is accurate.
The pulley 33 is hinged to the test arm 3, the test rope 32 can roll through the pulley 33, and the test rope 32 can rapidly advance and pass through the pulley 33, so that friction force is reduced, and test accuracy is improved. The test arm 3 is provided with a clamping hand for clamping the counterweight 31, and the counterweight 31 can be released or gripped by the clamping hand, so that the control is convenient.
This test device is equipped with rather than vertically support 2 on base 1, be equipped with slick and sly excessive slide rail 11 between the two, be equipped with adjustment platform 12 on the slide rail 11, the test article presss from both sides dress on purlin 13, and utilize counter weight 31 to simulate natural force, only need adjust the contained angle between adjustment platform 12 and the base 1, just can adjust the direction of force, can effectively simulate the centre gripping condition between protective material and the purlin 13 on the roof of different radians, can effectively detect the effort of different radians roof in different directions, prepare for the installation of later stage, the investment of manpower and materials has been reduced, the security of protective material has been improved.
The invention also discloses a tensile test method, which comprises the following steps:
step 1: adjusting the included angle between the adjusting table and the base, locking the position of the adjusting table on the sliding rail, and recording the numerical value of the included angle;
step 2: adjusting the weight of the counterweight and the angle between the hinge point of the test rope and the test article, and controlling the clamping hand to release the counterweight;
step 3: if the test product is not separated from the purline after the test in the step 2, repeating the step 2 for a plurality of times until the times reach the preset times or the test product is separated from the purline; if the test product is separated from the purline after the test in the step 2, the weight of the counterweight is reduced until the test product is not separated from the purline after the step 2 is repeated for 3 times;
step 4: recording the weight of the counterweight when the test article is separated from the purline;
step 5: and (3) repeating the steps 1 to 4 until the adjusting table is parallel to the bracket.
By adopting the testing method, the acting force applied between the test article, namely the protective material and the roof purline can be flexibly regulated, the stress angle can be spatially regulated, the acting force can be randomly increased, the acting force time and the like, the acting condition of the existing natural acting force on the protective material on the roof can be effectively simulated, the acting force of the natural forces with different magnitudes on the protective material under the angle can be accurately tested, the trouble of uniformly applying a standard pretightening force during installation is reduced, the pretightening force during installation can be applied according to different actual conditions, unnecessary labor intensity can be reduced for the area with small acting force, the pretightening force can be increased for the area with large acting force, and the safety is improved.
In this embodiment, step 1 further includes the following steps:
step 1.1: and adjusting the clamping force between the test article and the purline, and recording the clamping force.
The clamping force can be used for preliminarily judging the pretightening force of the test article and the purline under the angle, is convenient for the later test condition, and simulates the acting force of different natural forces on the test article, namely on the protective material.
Wherein, step 2 specifically comprises:
step 2.1: adjusting the weight of the counterweight, adjusting the length of the test arm, and controlling the clamping hand to grasp the counterweight;
step 2.2: and rotating the test arm according to a preset angle, and controlling the clamping hand to loosen the balance weight.
In the counter weight of setting for, adjust the length of test arm, can adjust the minimum contained angle value in the space of test rope and test article, and rotate test arm, then adjust the test rope and test article atress condition in the different positions of adjustment bench space, very press close to the condition of the natural force that actual roof received, improved the accuracy of test.
The present invention is not limited to the above embodiments, but is intended to be within the scope of the present invention as long as the technical effects of the present invention can be achieved by any same or similar means.
Claims (3)
1. A tension test method, characterized by using a tension test apparatus, comprising the steps of:
step 1: adjusting the included angle between the adjusting table and the base, locking the position of the adjusting table on the sliding rail, and recording the numerical value of the included angle;
step 2: adjusting the weight of the counterweight and the angle between the hinge point of the test rope and the test article, and controlling the clamping hand to release the counterweight;
step 3: if the test product is not separated from the purline after the test in the step 2, repeating the step 2 for a plurality of times until the times reach the preset times or the test product is separated from the purline; if the test product is separated from the purline after the test in the step 2, the weight of the counterweight is reduced until the test product is not separated from the purline after the step 2 is repeated for 3 times;
step 4: recording the weight of the counterweight when the test article is separated from the purline;
step 5: repeating the steps 1 to 4 until the adjusting table is parallel to the bracket;
the tensile test device comprises a base (1), a support (2) arranged on the base (1) and a telescopic test arm (3), wherein the test arm (3) is rotatably arranged on the support (2), a sliding rail (11) is arranged on the base (1), one end of the sliding rail (11) is gradually bent and extends to the support (2), an adjusting table (12) is slidably arranged on the sliding rail (11), a test article (4) is clamped on the adjusting table (12), a purline (13) is arranged on the adjusting table (12), the test article (4) is clamped on the purline (13), a counterweight (31) is slidably arranged on the test arm (3), and the counterweight (31) is connected with the test article (4) through a test rope (32); the test arm (3) is hinged with a pulley (33), and the test rope (32) can roll through the pulley (33); the test arm (3) is provided with a clamping hand for clamping the counterweight (31).
2. The method of claim 1, wherein step 1 further comprises the steps of:
step 1.1: and adjusting the clamping force between the test article and the purline, and recording the clamping force.
3. The method according to claim 1, wherein step 2 comprises the steps of:
step 2.1: adjusting the weight of the counterweight, adjusting the length of the test arm, and controlling the clamping hand to grasp the counterweight;
step 2.2: and rotating the test arm according to a preset angle, and controlling the clamping hand to loosen the balance weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423431.9A CN108195573B (en) | 2017-12-25 | 2017-12-25 | Tension test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423431.9A CN108195573B (en) | 2017-12-25 | 2017-12-25 | Tension test device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108195573A CN108195573A (en) | 2018-06-22 |
| CN108195573B true CN108195573B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711423431.9A Active CN108195573B (en) | 2017-12-25 | 2017-12-25 | Tension test device and method |
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| Country | Link |
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| CN (1) | CN108195573B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006950B (en) * | 2019-12-23 | 2020-09-15 | 北京航空航天大学 | Turbine joggle joint structure photoelastic experiment loading device |
| CN113495034B (en) * | 2021-07-28 | 2024-03-01 | 陕西乾元统天信息技术服务有限公司 | Test method for coal mine explosion door |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915699A (en) * | 2010-06-22 | 2010-12-15 | 中国矿业大学 | Movable type loading device in any direction |
| CN202947933U (en) * | 2012-11-15 | 2013-05-22 | 中国电子科技集团公司第十八研究所 | Lead-out end intensity testing device of solar assembly |
| CN105569097A (en) * | 2015-12-21 | 2016-05-11 | 江苏建筑职业技术学院 | Test device and method for drawing bucket foundation model at any angles |
| CN207623004U (en) * | 2017-12-25 | 2018-07-17 | 珠海安维特工程检测有限公司 | A kind of pull force tester |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050272570A1 (en) * | 2004-06-08 | 2005-12-08 | Gustafson Norman P | Anatomical shoulder pulley system |
| DE102004054332A1 (en) * | 2004-11-10 | 2006-05-11 | Memminger, Michael, Dr. | Leg guide, in particular for use in hip surgery |
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2017
- 2017-12-25 CN CN201711423431.9A patent/CN108195573B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915699A (en) * | 2010-06-22 | 2010-12-15 | 中国矿业大学 | Movable type loading device in any direction |
| CN202947933U (en) * | 2012-11-15 | 2013-05-22 | 中国电子科技集团公司第十八研究所 | Lead-out end intensity testing device of solar assembly |
| CN105569097A (en) * | 2015-12-21 | 2016-05-11 | 江苏建筑职业技术学院 | Test device and method for drawing bucket foundation model at any angles |
| CN207623004U (en) * | 2017-12-25 | 2018-07-17 | 珠海安维特工程检测有限公司 | A kind of pull force tester |
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| Publication number | Publication date |
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| CN108195573A (en) | 2018-06-22 |
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