CN101915699B - Movable type loading device in any direction - Google Patents
Movable type loading device in any direction Download PDFInfo
- Publication number
- CN101915699B CN101915699B CN2010102170013A CN201010217001A CN101915699B CN 101915699 B CN101915699 B CN 101915699B CN 2010102170013 A CN2010102170013 A CN 2010102170013A CN 201010217001 A CN201010217001 A CN 201010217001A CN 101915699 B CN101915699 B CN 101915699B
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- Prior art keywords
- slide
- arc
- loading device
- guide rail
- load
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- 238000006073 displacement reaction Methods 0.000 claims description 10
- 239000008188 pellet Substances 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 4
- 239000004579 marble Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
The invention relates to a movable type loading device in any direction comprising a circular arc guide rail, an outer slider and an inner slider, wherein a dovetail groove below the circular arc guide rail can ensure the circular arc guide rail to slide leftwards and rightwards; ball holes are arranged in a groove in the circular arc guide rail; four pressure spring balls on the inner slider can slide in the ball holes in the groove in the circular arc guide rail in a saltatory manner; the outer slider can slide on the circular arc guide rail and slide relative to the inner slider by fine-adjusting a screw rod, thus ensuring the outer slider to be precisely located in any direction between minus 90 degrees and plus 90 degrees; and a worm wheel, a worm and a force sensor are fixed on the outer slider. The device can load the test specimens, the load direction can be arbitrarily adjusted between minus 90 degrees and plus 90 degrees, simultaneously the load action point can horizontally move leftwards and rightwards and the load can be pressure or pull. The loading device can load the test specimens in different directions. The device has beautiful and concise structure and stable performance, is convenient to operate and use, can precisely determine the position and direction of the load and has wide practicability.
Description
Technical field
The present invention relates to a kind of charger, especially a kind of movable type loading device in any direction that is applicable to experiments such as the plain bending of doing beam, unsymmetrical bending, bending combination.
Background technology
In the experiment of the mechanics of materials, need do the crooked experiment of semi-girder, existing charger has only unidirectional loading experimental apparatus, and the loading direction of this device is constant.This type charger generally can only be done the plain bending experiment.And for beam, the combined deformation forms such as unsymmetrical bending, bending that mainly contain occur, and the key of these experiments is that requirement load can change the orientation arbitrarily in perpendicular to the plane of beam.Also do not make at present the experimental provision of two-way loading, do the experiment of two-way loading, two cover chargers then must be installed be used and could accomplish, its complex structure, inconvenient operation loads inaccurate.
Summary of the invention
Technical matters: the objective of the invention is provides a kind of simple in structure, easy to operate to the problem that exists in the prior art, loads and stablizes the movable type loading device in any direction that precision is high.
Technical scheme: movable type loading device in any direction of the present invention; Comprise base; One side of base is provided with level and angle displacement charger; Opposite side is provided with the fixing holder that is tried semi-girder, and the end of being tried semi-girder is provided with the contact position adjusting gear, and the middle part of being tried semi-girder is provided with the foil gauge that links to each other with strainmeter; Described level and angle displacement charger comprise the dovetail slideway that is fixed on the base; The semicircular arc guide rail that matches with dovetail slideway has arc chute on the cambered surface of semicircular arc guide rail, and arc chute is provided with can be along the outer slide of its chute displacement; Outer slide is provided with the turbine worm by hand loading; Be provided with the inner slide that the middle part of being convenient to its position of inching has bar hole in the outer slide, turbine worm is provided with force transducer, and force transducer is provided with application of force pressure head; Described contact position adjusting gear comprises dovetail slideway fixture block, the slide block that matches with the dovetail slideway fixture block, is fixed with spherical contact on the slide block.
The side of described arc-shaped rail is provided with-90 °～+ 90 ° angle index along circumference, and the bottom of its side is provided with the horizontal shift scale; Described inner slide is provided with the hollow cylinder of establishing spring marble in four, has the pellet shot from a slingshot hole of being convenient to the inner slide location in the arc chute; The upper surface of described dovetail slideway fixture block is provided with the horizontal scale of being convenient to spherical contact location; Said arc-shaped rail side is provided with the stop screw that limits its horizontal shift.
Beneficial effect: the present invention can be used for doing experiments such as the plain bending, unsymmetrical bending, bending combination of semi-girder, and can survey position, the flexural center experiment that opening thin cuts section bar.Can be between-90 °～+ 90 °, being exerted pressure or pulling force by examination type beam.This device not only can be used for the education experiment of the mechanics of materials, also can be applicable to need add in the engineering reality in the machinery of different directions load.For example this device can be used on the drilling machine, and outer slide is provided with motor and drill bit, and drilling machine can bore the hole of arbitrary orientation, when boring, need not turning of work piece.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Among the figure: the 1-arc-shaped rail; The 2-outer slide; The 3-inner slide; The 4-dovetail slideway; The 5-stop screw; The 6-arc chute; 7-pellet shot from a slingshot hole; The 8-turbine worm; The 9-holder; 10-is tried semi-girder; The 11-base; The 12-angle index; The 13-force transducer; 14-application of force pressure head; 15-horizontal shift scale; The spherical contact of 16-; 17-dovetail slideway fixture block.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are done further to describe:
Movable type loading device in any direction of the present invention, mainly by base 11, be located at level and the angle displacement charger on the base 11 and constituted by the holder 9 of examination semi-girder 10.Level and angle displacement charger are located on the side of base 11; Fixing holder 9 by examination semi-girder 10 is located on another side of base 11; Middle part by examination semi-girder 10 is provided with the foil gauge that links to each other with strainmeter; End by examination semi-girder 10 is provided with the contact position adjusting gear; The contact position adjusting gear comprises dovetail slideway fixture block 17, the slide block that matches with dovetail slideway fixture block 17, is fixed with spherical contact 16 on the slide block, and the upper surface of dovetail slideway fixture block 17 is provided with the scale of being convenient to spherical contact 16 location.Described level and angle displacement charger comprise the dovetail slideway 4 that is fixed on the base 11, and the arc-shaped rail 1 that matches with dovetail slideway 4 can make arc-shaped rail 1 along continuous straight runs horizontally slip through the rotary screw on the dovetail slideway 4.Arc-shaped rail 1 side is provided with the stop screw 5 that limits its horizontal shift.Before the loading, arc-shaped rail 1 is fixed on the dovetail slideway 4 through stop screw 5, and outer slide 2 is fixed on the arc-shaped rail 1 through stop screw.Have arc chute 6 on the cambered surface of arc-shaped rail 1, arc chute 6 is provided with can be along the outer slide 2 of its chute displacement.Two cylinders are housed on the outer slide 2, and these two cylinders can make outer slide 2 on arc chute 6, slide.Have the pellet shot from a slingshot hole 7 of being convenient to inner slide 3 location in the arc chute 6; Outer slide 2 is provided with the turbine worm 8 by hand loading; Be provided with the inner slide 3 that the middle part of being convenient to its position of inching has bar hole in the outer slide 2; Inner slide 3 is provided with four hollow cylinders, and spring marble is housed in the hollow cylinder, and four pellets shot from a slingshot just in time all are pressed in the pellet shot from a slingshot hole 7.Four hollow cylinders can guarantee that inner slide 3 slides along arc chute 6, and four pellets shot from a slingshot can guarantee inner slide 3 " self-locking " on arc chute 6, in order to avoid inner slide 3 falls down under the deadweight effect.Turbine worm 8 is provided with force transducer 13, and force transducer 13 is provided with application of force pressure head 14; The side of arc-shaped rail 1 is provided with-90 °～+ 90 ° angle index 12 along circumference, and the bottom of its side is provided with horizontal shift scale 15.Through the rotary fine adjustment screw mandrel outer slide 2 is slided with respect to inner slide 3, thereby assurance outer slide 2 can accurately be located at the arbitrary orientation between-90 °～+ 90 °.
The course of work: will be fixed on the holder 9 by examination semi-girder 10, will be linked to each other with strainmeter through lead, force transducer 13 is linked to each other with dynamometer by the foil gauge at examination semi-girder 10 middle parts; The position of adjustment outer slide 2 meets the demands the direction of institute's application of force, through stop screw outer slide 2 is fixed on the arc-shaped rail 1 then; Arrive desired location through rotary fine adjustment screw mandrel move left and right arc-shaped rail 1 and spherical contact 16, through stop screw arc-shaped rail 1 is fixed on the dovetail slideway 4 then, spherical contact 16 is fixed on the dovetail slideway fixture block 17 through stop screw; Hand loading can be to being loaded by examination semi-girder 10 through turbine worm 8 and force transducer 13; The size of load can be read through dynamometer, is tried the strain size of semi-girder 10 and can read through strainmeter.If exert pressure, then let application of force pressure head 14 directly contact with spherical contact 16; If apply pulling force, then between application of force pressure head 14 and spherical contact 16, be connected and get final product with a strap.
Claims (4)
1. movable type loading device in any direction; It comprises base (11); Be located at the holder (9) of base (11) one sides, be fixed with on the holder (9) by examination semi-girder (10), the middle part of being tried semi-girder (10) is provided with the foil gauge that links to each other with strainmeter; End by examination semi-girder (10) is provided with the contact position adjusting gear; The contact position adjusting gear comprise dovetail slideway fixture block (17), with slide block that dovetail slideway fixture block (17) matches on be fixed with spherical contact (16), the upper surface of dovetail slideway fixture block (17) is provided with the horizontal scale of being convenient to spherical contact (16) location, it is characterized in that: the opposite side of said base (11) is provided with level and angle displacement charger; Level and angle displacement charger comprise the dovetail slideway (4) that is fixed on the base (11); The arc-shaped rail (1) that matches with dovetail slideway (4) has arc chute (6) on the cambered surface of arc-shaped rail (1), arc chute (6) is provided with can be along the outer slide (2) of its chute displacement; Outer slide (2) is provided with the turbine worm (8) by hand loading; Be provided with the inner slide (3) that the middle part of being convenient to its position of inching has bar hole in the outer slide (2), turbine worm (8) is provided with force transducer (13), and force transducer (13) is provided with application of force pressure head (14).
2. movable type loading device in any direction according to claim 1 is characterized in that: the side of described arc-shaped rail (1) is provided with-90 °～+ 90 ° angle index (12) along circumference, and the bottom of its side is provided with horizontal shift scale (15).
3. movable type loading device in any direction according to claim 1 is characterized in that: described inner slide (3) is provided with the hollow cylinder of establishing spring marble in four, has the pellet shot from a slingshot hole (7) of being convenient to inner slide (3) location in the arc chute (6).
4. movable type loading device in any direction according to claim 1 and 2 is characterized in that: said arc-shaped rail (1) side is provided with limits its stop screw that moves horizontally (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102170013A CN101915699B (en) | 2010-06-22 | 2010-06-22 | Movable type loading device in any direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102170013A CN101915699B (en) | 2010-06-22 | 2010-06-22 | Movable type loading device in any direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915699A CN101915699A (en) | 2010-12-15 |
| CN101915699B true CN101915699B (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102170013A Expired - Fee Related CN101915699B (en) | 2010-06-22 | 2010-06-22 | Movable type loading device in any direction |
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| CN (1) | CN101915699B (en) |
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| CN105865798A (en) * | 2016-06-27 | 2016-08-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | Angle-free vector force loading device |
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| CN111232243B (en) * | 2020-03-17 | 2021-09-03 | 中国飞机强度研究所 | Load loading device |
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| CN112051061B (en) * | 2020-09-09 | 2021-07-13 | 南京理工大学 | Arc guide rail large load loading test bench |
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| CN101915699A (en) | 2010-12-15 |
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