CN110307449B - Displacement sensor installing support on cast iron test platform - Google Patents
Displacement sensor installing support on cast iron test platform Download PDFInfo
- Publication number
- CN110307449B CN110307449B CN201910582943.2A CN201910582943A CN110307449B CN 110307449 B CN110307449 B CN 110307449B CN 201910582943 A CN201910582943 A CN 201910582943A CN 110307449 B CN110307449 B CN 110307449B
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- cross rod
- base
- displacement sensor
- cast iron
- test platform
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 52
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention provides a displacement sensor mounting bracket on a cast iron test platform, which structurally comprises a base (1), a vertical rod component (2) and a cross rod component (3); the base (1) is installed on a cast iron test platform, the upright component (2) is installed on the base (1), and the upright component (2) is connected with one end of the cross rod component (3); be connected with sensor adapter (202) on pole setting subassembly (2), sensor adapter (202) are used for connecting lateral displacement sensor (4), be connected with sensor adapter two (304) on horizontal pole subassembly (3), sensor adapter two (304) are used for connecting vertical displacement sensor (5). The invention has simple structure, convenient assembly and disassembly and easy storage.
Description
Technical Field
The invention relates to a mounting bracket for a displacement sensor on a cast iron test platform, and belongs to the technical field of structural static tests.
Background
In an aviation structure static test, a cast iron test platform is a common structure static test foundation and has the advantages of high strength, good rigidity and easiness in mounting and fixing a tool; in a structural static test, displacement is an important test content, not only can the rigidity deformation condition of a structure be reflected, but also whether the structure is damaged or not and whether permanent deformation occurs or not can be indirectly reflected through the linear level and the zero returning condition of the displacement; in the structure static test, in order to avoid the influence caused by the deformation of the test tool, a displacement sensor mounting bracket must be designed independently for the measurement of the structure displacement, and the requirements of wide test height range and high test direction rigidity are met.
In order to meet the requirements, a medium-sized and large-sized liftable truss structure or a large-sized profile is designed as a mounting bracket of the displacement sensor, and the structure is complex in design, large in occupied space, high in manufacturing cost, difficult to adjust in test range, troublesome in mounting and dismounting, inconvenient to store, and neglected the characteristics of light and handy appearance and small additional load of the displacement sensor.
Disclosure of Invention
The invention provides a mounting bracket for a displacement sensor on a cast iron test platform, and aims to solve the problems that the mounting bracket for the displacement sensor on the existing cast iron test platform is complex in structure, the test range of the displacement sensor is not easy to adjust, the mounting and dismounting are troublesome and the like.
The technical solution of the invention is as follows: a displacement sensor mounting bracket on a cast iron test platform structurally comprises a base 1, a vertical rod component 2 and a cross rod component 3; the base 1 is arranged on a cast iron test platform, the upright component 2 is arranged on the base 1, and the upright component 2 is connected with one end of the cross rod component 3; be connected with sensor adapter 202 on the pole setting subassembly 2, sensor adapter 202 is used for connecting lateral displacement sensor 4, be connected with sensor adapter two 304 on the horizontal pole subassembly 3, sensor adapter two 304 is used for connecting vertical displacement sensor 5.
The invention has the beneficial effects that:
(1) in the invention, the base, the upright rod assembly and the cross rod assembly are all connected by bolts, and the upright rod assembly is assembled by detachable upright rod units, so that the structure is simple, the installation and the disassembly are convenient, and the storage is easy;
(2) the number of the upright rod units can be selected according to the test height, and the small-range adjustment of the test position is realized through the first sensor adapter and the second sensor adapter, so that the test device is flexible and convenient;
(3) the invention mainly adopts the section steel with the conventional specification, can be simultaneously provided with a large number of lightening holes and assembling holes, has simple structure, lighter weight and less occupied space, and reduces the test cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the base structure of the present invention.
Figure 3 is a schematic structural diagram of a pole unit of the invention.
Fig. 4 is a schematic structural diagram of a sensor adapter according to the present invention.
FIG. 5 is a schematic view of the cross bar assembly of the present invention.
Fig. 6 is a schematic structural diagram of a second sensor adapter according to the present invention.
In the drawing, 1 is a base, 2 is a vertical rod assembly, 201 is a vertical rod unit, 202 is a sensor adapter I, 203 is an A-waist-shaped hole, 204 is a B-waist-shaped hole, 3 is a cross rod assembly, 301 is a cross rod base, 302 is a cross rod, 303 is a steel wire rope, 304 is a sensor adapter II, 305 is a C-waist-shaped hole, 306 is a D-waist-shaped hole, 4 is a lateral displacement sensor, and 5 is a vertical displacement sensor.
Detailed Description
A displacement sensor mounting bracket on a cast iron test platform structurally comprises a base 1, a vertical rod component 2 and a cross rod component 3; the base 1 is arranged on a cast iron test platform, the upright component 2 is arranged on the base 1, and the upright component 2 is connected with one end of the cross rod component 3; be connected with sensor adapter 202 on the pole setting subassembly 2, sensor adapter 202 is used for connecting lateral displacement sensor 4, be connected with sensor adapter two 304 on the horizontal pole subassembly 3, sensor adapter two 304 is used for connecting vertical displacement sensor 5.
The upright rod assembly 2 comprises N upright rod units 201, wherein N is more than or equal to 1; the N upright rod units 201 are sequentially connected from bottom to top, the lower end of the lowermost upright rod unit 201 is fixed on the base 1, the upper end of the lowermost upright rod unit 201 is connected with the lower end of the upright rod unit 201 above the lowermost upright rod unit 201, all the upright rod units 201 are sequentially connected to form an upright rod assembly 2, and the whole upright rod assembly 2 is vertically placed; the adjacent upright rod units 201 are preferably connected through bolts.
The first sensor adapter 202 is preferably bolted to the mast assembly 2, and more preferably the first sensor adapter 202 is bolted to one of the mast units 201 of the mast assembly 2.
The first sensor adapter 202 is connected with the lateral displacement sensor 4 through a bolt.
The first sensor adapter 202 is provided with an A-shaped hole 203 and a B-shaped hole 204, the A-shaped hole 203 is used for being fixed on the upright component 2 through bolts, and the B-shaped hole 204 is used for being connected with the lateral displacement sensor 4 through bolts.
The position of the lateral displacement sensor 4 along the length direction of the B-shaped hole 204 can be adjusted by the lateral displacement sensor 4 according to the specific position of the used bolt in the B-shaped hole 204; the length of the B-kidney shaped hole 204 is preferably 290 mm; the A-waist holes 203 are preferably phi 12mm waist holes, and the B-waist holes 204 are preferably phi 5mm waist holes.
The cross rod assembly 3 comprises a cross rod base 301, a cross rod 302 and a steel wire rope 303, the cross rod base 301 is fixed on the vertical rod assembly 2 through bolts, the cross rod 302 is horizontally placed, one end of the cross rod 302 is fixed on the cross rod base 301, one end of the steel wire rope 303 is connected with the upper end of the cross rod base 301, and the other end of the steel wire rope 303 is connected with one end of the cross rod 302, which is far away from the vertical rod assembly 2; the cross rod 302 and the cross rod base 301 are preferably fixedly connected in a welding mode, and two ends of the steel wire rope 303 are preferably connected with the cross rod base 301 and the cross rod 302 through single-lug bolts respectively.
The first sensor adapter 202 is fixed on one side, facing the cross rod assembly 3, of the vertical rod assembly 2 through bolts, the second sensor adapter 304 is fixed on the lower surface of the cross rod 302 through bolts, and the first sensor adapter 202 is located at a height below the cross rod assembly 3.
The second sensor adapter 304 is preferably connected to the vertical displacement sensor 5 by bolts.
And a C-shaped hole 305 and a D-shaped hole 306 are formed in the second sensor adapter 304, the C-shaped hole 305 is fixed on the lower surface of the cross rod 302 through a bolt, and the D-shaped hole 306 is connected with the vertical displacement sensor 5 through a bolt.
The vertical displacement sensor 5 can adjust the position of the vertical displacement sensor 5 along the length direction of the D-shaped hole 306 according to the specific position of the used bolt in the D-shaped hole 306; the length of the C-waist-shaped hole 305 is preferably 55 mm, and the length of the D-waist-shaped hole 306 is preferably 290 mm; the C kidney holes 305 are preferably waist holes of 12mm phi, and the D kidney holes 306 are preferably waist holes of 5mm phi.
The invention overcomes the defects of the prior art and provides the mounting bracket for the displacement sensor on the cast iron test platform, which has the advantages of simple structure, convenient mounting and dismounting, small occupied space and flexible test range adjustment; the device has good structural rigidity, and can meet the test requirements of lateral and vertical displacement of the bracket.
The technical scheme of the invention can be further defined as follows:
the base 1 is generated through machining, the base 1 is connected with a cast iron test platform through phi 30mm anchor bolts, and the base 1 is connected with the vertical rod assembly 2 through four phi 12mm full-thread bolts.
Each upright rod unit 201 is 1 m long and is formed by processing I-shaped steel, the side surface of each upright rod unit 201 is provided with a plurality of phi 12mm waist-shaped holes and round holes, the maximum distance between the phi 12mm waist-shaped holes and the phi 12mm round holes is 50mm, and the number of the upright rod units 201 can be selected according to the test height.
A phi 12mm kidney-shaped hole in each upright rod unit 201 is preferably used for connecting a sensor adapter I202, and a phi 12mm round hole is preferably used for connecting a cross rod base 301.
The sensor adapter I202 is connected with the upright rod unit 201 through a phi 12mm bolt, the sensor adapter I is connected with the lateral displacement sensor 4 through a phi 5mm bolt, a phi 5mm kidney-shaped hole is formed in the sensor adapter I, the length of the phi 5mm kidney-shaped hole is 290 mm, the phi 5mm bolt can slide in the phi 5mm kidney-shaped hole to slide within a range of 290 mm, and the lateral displacement sensor 4 can slide within a range of 290 mm in a direction perpendicular to the length direction of the cross rod 302 in the horizontal direction through the mutual matching of the phi 5mm kidney-shaped hole and the phi 5mm bolt; the length of each phi mm12 kidney-shaped hole on the upright rod unit 201 is 55 mm, and the sensor adapter I202 moves up and down in the corresponding phi 12mm kidney-shaped hole through a phi 12mm bolt, so that the lateral displacement sensor 4 slides in the vertical direction within the range of 55 mm.
The cross rod 302 and the cross rod base 301 are processed and produced by rectangular steel pipes, and a plurality of round holes with the diameter of 12mm and the distance of 50mm are arranged on the upper surface and the lower surface of the cross rod 302.
Sensor adapter two is connected with horizontal pole 302 through phi 12 mm's bolt, sensor adapter two is last to have phi 5mm waist type hole, the length direction in phi mm5 waist type hole is for the level place and perpendicular with horizontal pole 302 length direction, sensor adapter two is connected with vertical displacement sensor 5 through phi 5 mm's bolt, can realize driving vertical displacement sensor 5 along the slip of horizontal pole 302 length direction within range in a phi 12mm waist type hole through long 55 mm's phi 12mm waist type hole, can realize the slip of vertical displacement sensor 5 and horizontal pole 302 length direction vertically direction 290 mm within range in the horizontal direction through long 290 mm's phi 5mm waist type hole.
The steel wire rope 303 is connected with the cross rod base 301 and the cross rod 302 through a single-lug bolt with the diameter of 8, and the tightness can be adjusted according to the single-lug bolt.
In the invention, the base 1, the upright rod component 2 and the cross rod component 3 are connected by bolts, the upright rod component 2 is assembled by the detachable upright rod units 201, the structure is simple, the installation and the disassembly are convenient, the storage is easy, the number of the upright rod units 201 can be selected according to the test height, and the small-range adjustment of the test position is realized by the first sensor adapter and the second sensor adapter, so that the test device is flexible and convenient; the invention mainly adopts I-shaped steel and rectangular steel pipes, has good structural rigidity in the test direction, and can meet the displacement test requirement of millimeter-scale precision within 6 meters of height through calculation and test verification.
Each upright rod unit 201 is 1 m long and is formed by processing I-shaped steel, the upper end face or the lower end face of the I-shaped steel is used as the side face of the upright rod unit 201, the side face is provided with a phi 12mm waist-shaped hole and a phi 12mm round hole, the maximum distance between the phi 12mm waist-shaped hole and the phi 12mm round hole is 50mm, and the number of the upright rod units 201 can be selected according to the test height; the upright rod unit 201 is connected with the cross rod assembly 3 through the upper end surface or the lower end surface of the I-shaped steel, so that the advantage of the maximum rigidity of the I-shaped steel in the length direction of the cross rod 302 can be exerted to the greatest extent; the mounting bracket is checked by commercial finite element software ANSYS, and the result shows that when the bracket is assembled by adopting 6 upright rod units 201, the deformation of the bracket under the action of gravity and related test loads is less than 1 mm, so that the bracket can meet the test requirements of lateral and vertical displacement with millimeter-scale precision within 6 m height.
Claims (6)
1. A displacement sensor mounting bracket on a cast iron test platform is characterized by comprising a base (1), a vertical rod component (2) and a cross rod component (3); the base (1) is installed on a cast iron test platform, the upright component (2) is installed on the base (1), and the upright component (2) is connected with one end of the cross rod component (3); the vertical rod component (2) is connected with a first sensor adapter (202), the first sensor adapter (202) is used for connecting a lateral displacement sensor (4), the cross rod component (3) is connected with a second sensor adapter (304), and the second sensor adapter (304) is used for connecting a vertical displacement sensor (5);
the cross rod assembly (3) comprises a cross rod base (301), a cross rod (302) and a steel wire rope (303), the cross rod base (301) is fixed on the vertical rod assembly (2) through bolts, the cross rod (302) is horizontally placed, one end of the cross rod (302) is fixed on the cross rod base (301), one end of the steel wire rope (303) is connected with the upper end of the cross rod base (301), and the other end of the steel wire rope (303) is connected with one end, far away from the vertical rod assembly (2), of the cross rod (302); the cross rod (302) is fixedly connected with the cross rod base (301) in a welding mode, and two ends of the steel wire rope (303) are respectively connected with the cross rod base (301) and the cross rod (302) through a single-lug bolt;
the mounting bracket of the displacement sensor on the cast iron test platform is suitable for meeting the displacement test requirement of millimeter-scale precision within 6 meters of height;
sensor adapter (202) pass through the bolt fastening in pole setting subassembly (2) one side towards horizontal pole subassembly (3), sensor adapter two (304) pass through the bolt fastening in the lower surface of horizontal pole (302), and the height that sensor adapter (202) are located is located the below of horizontal pole subassembly (3).
2. The mounting bracket for the displacement sensor on the cast iron test platform as claimed in claim 1, wherein the base (1) is mounted on the cast iron test platform through bolts, the upright component (2) is mounted on the base (1) through bolts, and one end of the cross bar component (3) is connected with the upright component (2) through bolts.
3. The mounting bracket for the displacement sensor on the cast iron test platform as claimed in claim 1, wherein the upright component (2) comprises N upright units (201), N is more than or equal to 1; n pole setting unit (201) from the bottom up connects gradually, and the lower extreme of below pole setting unit (201) is fixed on base (1), and the upper end of below pole setting unit (201) is connected rather than pole setting unit (201) lower extreme of top, and each pole setting unit (201) meets in proper order and forms pole setting subassembly (2), and whole pole setting subassembly (2) are vertical the placing.
4. The mounting bracket for the displacement sensor on the cast iron test platform as claimed in claim 1, wherein the first sensor adapter (202) is connected with the lateral displacement sensor (4) through a bolt.
5. The mounting bracket for the displacement sensor on the cast iron test platform as claimed in claim 1, wherein the base (1) is produced by machining, the base (1) is connected with the cast iron test platform through a phi 30mm anchor bolt, and the base (1) is connected with the upright rod assembly (2) through four phi 12mm full-thread bolts.
6. The mounting bracket for the displacement sensor on the cast iron test platform as claimed in claim 3, wherein each upright rod unit (201) is 1 m long, is formed by processing I-shaped steel, and is provided with a waist-shaped hole and a round hole with the diameter of 12mm on the side surface, and the maximum distance between the waist-shaped hole and the round hole is 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582943.2A CN110307449B (en) | 2019-07-01 | 2019-07-01 | Displacement sensor installing support on cast iron test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582943.2A CN110307449B (en) | 2019-07-01 | 2019-07-01 | Displacement sensor installing support on cast iron test platform |
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| Publication Number | Publication Date |
|---|---|
| CN110307449A CN110307449A (en) | 2019-10-08 |
| CN110307449B true CN110307449B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910582943.2A Active CN110307449B (en) | 2019-07-01 | 2019-07-01 | Displacement sensor installing support on cast iron test platform |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678015A (en) * | 2020-06-18 | 2020-09-18 | 上海交通大学 | Prefabricated assembled test auxiliary device of fixed sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206002124U (en) * | 2016-09-08 | 2017-03-08 | 唐山现代工控技术有限公司 | A kind of contactless water-level gauge mounting bracket |
| CN206440342U (en) * | 2017-02-21 | 2017-08-25 | 陕西省水文水资源勘测局 | A kind of swing-around trajectory portable level recorder support |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203414070U (en) * | 2013-05-10 | 2014-01-29 | 中国飞机强度研究所 | Fixing device for displacement sensor |
| CN204165823U (en) * | 2014-09-11 | 2015-02-18 | 上海航天精密机械研究所 | A kind of multifunctional displacement sensor attachment mechanism |
| CN205482769U (en) * | 2016-01-08 | 2016-08-17 | 中国飞机强度研究所 | Fixing device for displacement sensor |
| CN109578778B (en) * | 2018-10-15 | 2021-01-22 | 西北工业大学 | Static test device and sensor mounting seat |
| KR101972767B1 (en) * | 2019-01-10 | 2019-04-29 | 주식회사 다산컨설턴트 | Edge Distance Measuring Device for Bridge Safety Inspection |
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2019
- 2019-07-01 CN CN201910582943.2A patent/CN110307449B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206002124U (en) * | 2016-09-08 | 2017-03-08 | 唐山现代工控技术有限公司 | A kind of contactless water-level gauge mounting bracket |
| CN206440342U (en) * | 2017-02-21 | 2017-08-25 | 陕西省水文水资源勘测局 | A kind of swing-around trajectory portable level recorder support |
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