CN112098219A - Static test device - Google Patents
Static test device Download PDFInfo
- Publication number
- CN112098219A CN112098219A CN202011073179.5A CN202011073179A CN112098219A CN 112098219 A CN112098219 A CN 112098219A CN 202011073179 A CN202011073179 A CN 202011073179A CN 112098219 A CN112098219 A CN 112098219A
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- China
- Prior art keywords
- support rod
- double
- static test
- limiting seat
- rod assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 230000003068 static effect Effects 0.000 title claims abstract description 24
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a static test device, which comprises a base; the base is rotatably connected with a plurality of sections of support rod combinations, double-acting oil cylinders are fixed among the plurality of sections of support rod combinations, and connecting pipes are fixed at the front ends of the support rod combinations for connection. The loading source hydraulic cylinder is arranged in the middle, two stress points can be applied to the device to be tested under the condition of the same pressure loading source, so that the stress conditions are opposite, namely one stress point is a tensile force, and the other stress point is a compressive force, so that the forces loaded on the device to be tested can be mutually offset, and the test can be carried out without fixing the device to be tested under the normal condition.
Description
Technical Field
The invention relates to a static test device.
Background
In the static test device in the prior art, a connecting plate is respectively arranged on the left and right sides of the front end in the device to be tested, which is provided with a lower guide rail, and the connecting plate is stressed greatly due to use requirements and needs to be subjected to static tension test and static pressure test verification as an important stressed part.
Static tests usually consider adding a counterweight to the device to be tested, or loading by using a hydraulic cylinder or a pneumatic cylinder, or testing on a special tensile machine or a special press machine. Because the length of the static tension (compression) force test equipment is more than 6 meters, the left connecting plate and the right connecting plate are subjected to the tension of about 28.6t and the compression of about 35t, and the pneumatic pressure is dangerous than the hydraulic pressure, the test only considers that a hydraulic cylinder is used for loading. How to reliably fix the static tension (pressure) testing equipment and safely perform the test becomes a big difficulty in the test.
Disclosure of Invention
In order to solve the technical problem, the invention provides a static test device which can carry out a test without fixing a device to be tested.
The invention is realized by the following technical scheme.
The invention provides a static test device, which comprises a base; the base is rotatably connected with a plurality of sections of support rod combinations, double-acting oil cylinders are fixed among the plurality of sections of support rod combinations, and connecting pipes are fixed at the front ends of the support rod combinations for connection.
The rear end of the support rod combination is hinged to the base.
The supporting rod combination is divided into two sections, and the double-acting oil cylinder is fixed between the two sections of the supporting rod combination.
The section of the support rod assembly close to the end where the connecting pipe is located is sleeved with a first limiting seat, and the first limiting seat can move along the support rod assembly.
And each section of the support rod assembly is sleeved with a second limiting seat, and the second limiting seat can move along the support rod assembly.
And a third limiting seat is sleeved on the double-acting oil cylinder and can move along the double-acting oil cylinder.
The first limiting seat is provided with a bolt pin so that the first limiting seat can be fixed on the support rod assembly.
The support rod combination is connected with the base through a connecting plate.
The support rod combination and the double-acting oil cylinder are positioned on the same straight line.
The invention has the beneficial effects that: the loading source hydraulic cylinder is arranged in the middle, under the condition of the same pressure loading source, two stress points can be applied to the device to be tested, so that the stress conditions are opposite, namely one stress point is a tensile force, and the other stress point is a compressive force, so that the forces loaded on the device to be tested can be mutually offset, and the device to be tested can be tested without fixing the device to be tested under the normal condition.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1.
In the figure: 1-connecting pipe, 2-bolt pin, 3-support rod combination, 4-second limiting seat, 5-third limiting seat, 6-double-acting oil cylinder, 7-first limiting seat, 8-connecting plate, 9-base, 10-connecting plate and 11-pin shaft.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A static test apparatus as shown in fig. 1 and 2 comprises a base 9; rotatable coupling has multistage bracing piece combination 3 on the base 9, is fixed with double-acting cylinder 6 between the multistage bracing piece combination 3, and the bracing piece combination 3 front end is fixed with connecting pipe 1 and is used for connecting.
The rear end of the support rod assembly 3 is hinged with the base 9.
The support rod combination 3 is divided into two sections, and the double-acting oil cylinder 6 is fixed between the two sections of the support rod combination 3.
A section of the support rod assembly 3 near the end of the connecting pipe 1 is sleeved with a first limiting seat 7, and the first limiting seat 7 can move along the support rod assembly 3.
Every section of bracing piece combination 3 is equipped with spacing seat 4 of second, and spacing seat 4 of second can move along bracing piece combination 3.
The double-acting oil cylinder 6 is sleeved with a third limiting seat 5, and the third limiting seat 5 can move along the double-acting oil cylinder 6.
The first limit seat 7 is provided with a bolt pin 2 so that the first limit seat 7 can be fixed on the support rod assembly 3.
The support rod assembly 3 is connected with the base 9 through a connecting plate 8.
The support rod assembly 3 and the double-acting oil cylinder 6 are positioned on the same straight line.
Example 1
By adopting the scheme, one end of each of the two connecting pipes 1 is hinged with the left connecting plate and the right connecting plate at the front end of the device to be tested respectively through a pin shaft, the other end of each connecting pipe is hinged with two ends of the connecting plate 10, the middle of the connecting plate 10 is hinged with one end of the corresponding supporting rod assembly 3, the other end of the corresponding supporting rod assembly 3 is hinged with one end of the corresponding double-acting oil cylinder 6, the other end of the corresponding double-acting oil cylinder 6 is hinged with one end of the corresponding supporting rod assembly 6, the other end of the corresponding supporting rod assembly 3 is hinged with the middle part 9. 4 groups of limiting seats are supported below the 2 support rod assemblies 3 and the double-acting oil cylinder 6, the middle part of the upper end of each limiting seat is contacted with the 2 support rod assemblies 3 or the double-acting oil cylinder 6, the left side and the right side of the lower end of each limiting seat are both made into an L shape and matched with a guide rail in a device to be tested, namely, each limiting seat can freely slide in the guide rail. The double-acting oil cylinder 6 connected to the middle part of the test equipment can implement the tension and pressure of the connecting seat at the front end of the device to be tested, meanwhile, the stress of the rear end face of the device to be tested is corresponding to the pressure and the tension, and the acting force of the double-acting oil cylinder can be adjusted through the hydraulic test pump station.
The first limiting seat 7, the second limiting seat 4 and the third limiting seat 5 are matched with a guide rail in the device to be tested, so that the support rod assembly 3 and the double-acting oil cylinder 6 can be longitudinally constrained, and the whole device to be tested cannot be inclined when stressed.
The working principle mainly comprises: the hydraulic cylinder is used as a pressure source and is arranged in the middle of the device to be tested, and two ends of the testing equipment are respectively connected with two ends of the device to be tested, so that the stress conditions of the device to be tested are opposite, namely one is tension and the other is compression, and the forces loaded on the device to be tested can be mutually offset. Each group of limiting seats limits the supporting rod combination and the double-acting oil cylinder of the test equipment, so that the supporting rod combination and the double-acting oil cylinder can only move longitudinally, and the device to be tested can not be inclined during the test.
The invention is mainly used for a device to be tested which needs to carry out static tension test and static pressure test and has larger force application in the test.
Claims (9)
1. A static test device, includes base (9), its characterized in that: rotatable coupling has multistage bracing piece combination (3) on base (9), is fixed with double-acting cylinder (6) between multistage bracing piece combination (3), and bracing piece combination (3) front end is fixed with connecting pipe (1) and is used for connecting.
2. A static test apparatus as claimed in claim 1, wherein: the rear end of the supporting rod assembly (3) is hinged to the base (9).
3. A static test apparatus as claimed in claim 1, wherein: the supporting rod combination (3) is divided into two sections, and the double-acting oil cylinder (6) is fixed between the two sections of the supporting rod combination (3).
4. A static test apparatus as claimed in claim 1, wherein: a section of the support rod assembly (3) close to the end where the connecting pipe (1) is located is sleeved with a first limiting seat (7), and the first limiting seat (7) can move along the support rod assembly (3).
5. A static test apparatus as claimed in claim 1, wherein: each section of the support rod assembly (3) is sleeved with a second limiting seat (4), and the second limiting seats (4) can move along the support rod assembly (3).
6. A static test apparatus as claimed in claim 1, wherein: the double-acting oil cylinder (6) is sleeved with a third limiting seat (5), and the third limiting seat (5) can move along the double-acting oil cylinder (6).
7. A static test apparatus as claimed in claim 4, wherein: the first limiting seat (7) is provided with a bolt pin (2) so that the first limiting seat (7) can be fixed on the support rod assembly (3).
8. A static test apparatus as claimed in claim 2, wherein: the support rod combination (3) is connected with the base (9) through a connecting plate (8).
9. A static test apparatus as claimed in claim 1, wherein: the support rod combination (3) and the double-acting oil cylinder (6) are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011073179.5A CN112098219A (en) | 2020-10-09 | 2020-10-09 | Static test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011073179.5A CN112098219A (en) | 2020-10-09 | 2020-10-09 | Static test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112098219A true CN112098219A (en) | 2020-12-18 |
Family
ID=73783123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011073179.5A Pending CN112098219A (en) | 2020-10-09 | 2020-10-09 | Static test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112098219A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035739A1 (en) * | 1990-11-09 | 1992-05-14 | Semprex Erzeugnisse Fritz Koen | Leakage testing device for valve - uses reciprocating piston for supplying test pressure fed to valve seat |
| CN1342530A (en) * | 2001-10-08 | 2002-04-03 | 余波 | Dual-head hydraulic drawing machine |
| KR20090030839A (en) * | 2007-09-21 | 2009-03-25 | 주식회사 한국센트랄 | Testing apparatus for torque rod |
| CN102628773A (en) * | 2012-04-19 | 2012-08-08 | 山西潞安环保能源开发股份有限公司 | Universal centering device |
| CN102636383A (en) * | 2012-03-28 | 2012-08-15 | 济南东测试验机技术有限公司 | Double-piston horizontal pinning mechanism of horizontal tension testing machine |
| CN203785963U (en) * | 2014-04-03 | 2014-08-20 | 上海三原电缆附件有限公司 | Device for verifying and testing mechanical strength of high-voltage cable accessory hardware fitting |
| CN110455638A (en) * | 2019-09-10 | 2019-11-15 | 泰勒流体动力科技(泰兴)有限公司 | A kind of material stress specificity analysis synthesis experiment platform and experimental method |
| CN213239740U (en) * | 2020-10-09 | 2021-05-18 | 贵州航天天马机电科技有限公司 | Device for carrying out reliable static test |
-
2020
- 2020-10-09 CN CN202011073179.5A patent/CN112098219A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035739A1 (en) * | 1990-11-09 | 1992-05-14 | Semprex Erzeugnisse Fritz Koen | Leakage testing device for valve - uses reciprocating piston for supplying test pressure fed to valve seat |
| CN1342530A (en) * | 2001-10-08 | 2002-04-03 | 余波 | Dual-head hydraulic drawing machine |
| KR20090030839A (en) * | 2007-09-21 | 2009-03-25 | 주식회사 한국센트랄 | Testing apparatus for torque rod |
| CN102636383A (en) * | 2012-03-28 | 2012-08-15 | 济南东测试验机技术有限公司 | Double-piston horizontal pinning mechanism of horizontal tension testing machine |
| CN102628773A (en) * | 2012-04-19 | 2012-08-08 | 山西潞安环保能源开发股份有限公司 | Universal centering device |
| CN203785963U (en) * | 2014-04-03 | 2014-08-20 | 上海三原电缆附件有限公司 | Device for verifying and testing mechanical strength of high-voltage cable accessory hardware fitting |
| CN110455638A (en) * | 2019-09-10 | 2019-11-15 | 泰勒流体动力科技(泰兴)有限公司 | A kind of material stress specificity analysis synthesis experiment platform and experimental method |
| CN213239740U (en) * | 2020-10-09 | 2021-05-18 | 贵州航天天马机电科技有限公司 | Device for carrying out reliable static test |
Non-Patent Citations (1)
| Title |
|---|
| 张兴虎;赵建德;史庆轩;侯炜;: "一种多功能拟静力试验装置", 结构工程师, no. 1, 10 January 2011 (2011-01-10) * |
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