CN204064829U - A kind of Tensile Strength and Elongation testing machine of rubber astragal - Google Patents
A kind of Tensile Strength and Elongation testing machine of rubber astragal Download PDFInfo
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- CN204064829U CN204064829U CN201420392975.9U CN201420392975U CN204064829U CN 204064829 U CN204064829 U CN 204064829U CN 201420392975 U CN201420392975 U CN 201420392975U CN 204064829 U CN204064829 U CN 204064829U
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Abstract
The utility model provides a kind of Tensile Strength and Elongation testing machine of rubber astragal, belongs to rubber parts testing equipment technical field.It solve existing rubber astragal stressed even not in drawing process, cause the problem that test findings is not accurate enough.The Tensile Strength and Elongation testing machine of this rubber astragal, comprise frame, positioning disk and tension disk, positioning disk side is fixed with some backstays, frame is rotatably connected to rotation axis, tension disk slidably connects some nutted rods, frame is also rotatably connected to a tightening hoop, and tightening hoop is provided with governor motion, and frame is provided with when nutted rod is positioned at the second place can the driving mechanism of rotation axis reciprocating rotation.The Tensile Strength and Elongation testing machine of this rubber astragal can make its uniform force when stay cord rubber astragal, makes test findings more accurate.
Description
Technical field
The utility model belongs to rubber parts testing equipment technical field, relates to a kind of Tensile Strength and Elongation testing machine of rubber astragal.
Background technology
Rubber is that one has elasticity, insulativity, the material of waterproof and air, the industrial goods made by rubber is various, comprise rubber blanket, rubber sleeve, rubber astragal etc., wherein rubber astragal uses wider in field of machining, as for sealing, transmission etc., rubber astragal needs to carry out testing inspection to its tensile property before shaping dispatching from the factory, the common practice is by the rubber astragal that repeatedly stretches, number detects the performance condition of rubber astragal afterwards with the stretching of ten thousand times, but current test adopts two fixed bars to be located in rubber astragal substantially, by the relative movement between two fixed bars, rubber ring band is stretched repeatedly, but this kind of mode makes rubber astragal stressed even not in drawing process, cause test findings not accurate enough.
Utility model content
There are the problems referred to above for existing technology in the utility model, proposes a kind of Tensile Strength and Elongation testing machine of rubber astragal, and the Tensile Strength and Elongation testing machine of this rubber astragal can make its uniform force when stay cord rubber astragal, makes test findings more accurate.
The purpose of this utility model realizes by following technical proposal: a kind of Tensile Strength and Elongation testing machine of rubber astragal, comprise frame, positioning disk and tension disk, it is characterized in that, on described positioning disk side, circumference is fixed with some backstays for the sheathed rubber ring band of tensioning, described frame is rotatably connected to rotation axis, described tension disk is connected in frame, above-mentioned rotation axis is through tension disk, and positioning disk can be established on the rotating shaft by fixed cover, described tension disk slidably connects some nutted rods that can move to the second place from primary importance, when nutted rod is all positioned at primary importance, some nutted rod axial line places diameter of a circle is greater than some backstay axial line places diameter of a circle, and nutted rod is all positioned at outside rubber astragal, when nutted rod is all positioned at the second place, some nutted rod axial line places diameter of a circle is less than some backstay axial line places diameter of a circle, and nutted rod is all pressed on rubber astragal lateral wall, described frame is also rotatably connected to a tightening hoop, described tightening hoop is provided with the governor motion that nutted rod can be moved to the second place after tightening hoop rotates from primary importance, described frame is provided with when nutted rod is positioned at the second place can the driving mechanism of rotation axis reciprocating rotation.
A positioning disk is used for fixing a rubber astragal, namely rubber astragal is enclosed within some backstays, whole rubber astragal is tensioned, by positioning disk sleeve on dwang, now nutted rod is all positioned at primary importance, therefore nutted rod is all positioned at the outside of rubber astragal, and nutted rod and backstay spaced apart, namely a nutted rod is between adjacent two backstays, rotate tightening hoop, nutted rod can be moved to the second place by the governor motion on tightening hoop, now nutted rod is pressed on rubber astragal periphery wall, and nutted rod is all positioned at circle inside, backstay axial line place, be tensioned at rubber astragal and drive rotation axis reciprocating rotation by driving mechanism afterwards, therefore positioning disk is also along with reciprocating rotation together, backstay on positioning disk back and forth can stretch with rubber astragal local, Tensile Strength and Elongation test is carried out to rubber ring band, simultaneously because the backstay that many circumferences are uniform stretches to rubber ring band simultaneously, make rubber astragal uniform throughout stressed, test figure is comparatively accurate.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described tension disk radially offers some gathering sills, this some gathering sill circumference is uniformly distributed, two relative cell walls of described gathering sill offer link slot all along its length, described nutted rod is fixed with contiguous block, and described contiguous block is slidably connected in gathering sill, and gathering sill is stretched out respectively in the two ends of nutted rod, described gathering sill one end is toward the outer side primary importance, and the one end towards the center of circle is the second place.Namely nutted rod is connected in gathering sill by contiguous block, and contiguous block coordinates with link slot can avoid the stressed inclination of nutted rod.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described gathering sill all radially offers blind hole on one end end wall in the center of circle, is provided with spring in described blind hole, and one end of this spring is pressed on blind hole bottom surface, and the other end is pressed on contiguous block.Namely, when positioning disk sleeve is located at that on dwang, nutted rod is not with the effect of rubber astragal, under the action of the spring, nutted rod can be positioned at primary importance, without the need to manual adjustments nutted rod position, easy to use.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described governor motion comprises circumference on tightening hoop internal perisporium to be had and somely compresses projection, the described projection that compresses has all curved reset surface and seal face on the side in the center of circle, described reset surface place diameter of a circle is greater than seal face place diameter of a circle, and reset surface with compress face and be connected transition by inclined-plane, when nutted rod and reset surface lean, nutted rod is positioned at primary importance, when nutted rod leans with the face that compresses, nutted rod is positioned at the second place, described frame is also provided with when nutted rod is with compress can by securing for preload ring keeper when face leans.When namely rotating tightening hoop, nutted rod end can slide into abutment face from reset surface, because reset surface place diameter of a circle is greater than seal face place diameter of a circle, therefore in tightening hoop rotation process, nutted rod can move to the second place along gathering sill, and rotate backward tightening hoop can, nutted rod can be returned to primary importance under the action of the spring.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described keeper comprises register pin, and on described tension disk periphery wall, radial direction is fixed with bar shaped handle, and described handle offers through hole, described frame offers pilot hole, and described register pin is plugged in pilot hole through through hole.Carry out in process of the test at rubber ring band, nutted rod is positioned at the second place all the time, now fixes tightening hoop by register pin, and process of the test can be made more stable.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described driving mechanism comprises in frame and is fixed with driving cylinder, and the piston rod of described driving cylinder is fixed with tooth bar, and the end of described rotation axis is fixed with gear, and described wheel and rack is meshed.By driving air cylinder driven tooth bar to move, and then driven gear rotates, and drives cylinder to control stroke accurate.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described frame has a stable cover, above-mentioned tension disk is fixed on the end of stable cover, describedly stable put turning set and be provided with adapter sleeve, on described adapter sleeve periphery wall, radial direction is fixed with some connecting links, above-mentioned tightening hoop is fixed on the end of connecting link, described in compress projection between adjacent two connecting links.Namely the two ends of adapter sleeve lean with frame and tension disk respectively, and namely tightening hoop circumference can be rotated, and axial restraint.
In the Tensile Strength and Elongation testing machine of above-mentioned rubber astragal, described positioning disk has center pit, and be set on dwang by center pit, described positioning disk lateral wall has convex annular edge around center pit, described convex annular offers connecting hole along upper radial direction, on rotation axis, radial direction offers fixed orifice, and connecting hole is equipped with connecting pin, and this connecting pin is plugged in fixed orifice.Namely positioning disk can disassemble from rotation axis, installs rubber astragal respectively, and sheathed on the rotating shaft time fixed by connecting pin, structure is simple, easy to operate.
Compared with prior art, the Tensile Strength and Elongation testing machine of this rubber astragal has the following advantages:
1, because the backstay on positioning disk back and forth can stretch with rubber astragal local, Tensile Strength and Elongation test is carried out to rubber ring band, simultaneously because the backstay that many circumferences are uniform stretches to rubber ring band simultaneously, make rubber astragal uniform throughout stressed, test figure is comparatively accurate.
2, due to positioning disk fixing on the rotating shaft after only need to rotate tightening hoop and just can carry out tensioning to rubber ring band, and then can to test, simple to operation.
3, due under the action of the spring, nutted rod can be positioned at primary importance, i.e. the outside of rubber astragal, without the need to manual adjustments nutted rod position, easy to use.
Accompanying drawing explanation
Fig. 1 is the perspective view of this testing machine.
Fig. 2 is the structure vertical view of this testing machine.
Fig. 3 is the structure cut-open view of governor motion.
Fig. 4 is the perspective view of tightening hoop.
Fig. 5 is the structure cut-open view of tension disk.
Fig. 6 is the perspective view of positioning disk.
In figure, 1, frame; 11, rotation axis; 12, stable cover; 2, positioning disk; 21, backstay; 22, convex annular edge; 23, connecting pin; 3, tension disk; 31, gathering sill; 32, link slot; 33, blind hole; 34, spring; 4, nutted rod; 41, contiguous block; 5, tightening hoop; 51, handle; 52, adapter sleeve; 53, connecting link; 6, governor motion; 61, projection is compressed; 611, reset surface; 612, inclined-plane; 613, seal face; 62, register pin; 7, driving mechanism; 71, cylinder is driven; 72, gear; 73, tooth bar.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Fig. 1, shown in Fig. 2, a kind of Tensile Strength and Elongation testing machine of rubber astragal, comprise frame 1, positioning disk 2 and tension disk 3, on positioning disk 2 side, circumference is fixed with some backstays 21 for the sheathed rubber ring band of tensioning, a positioning disk 2 is for fixing a rubber astragal, namely rubber astragal is enclosed within some backstays 21, whole rubber astragal is tensioned, frame 1 is rotatably connected to rotation axis 11, tension disk 3 is connected in frame 1, rotation axis 11 is through tension disk 3, and positioning disk 2 can be located on rotation axis 11 by fixed cover, tension disk 3 slidably connects some nutted rods 4 that can move to the second place from primary importance, when nutted rod 4 is all positioned at primary importance, some nutted rod 4 axial line places diameter of a circle is greater than some backstay 21 axial line places diameter of a circle, and nutted rod 4 is all positioned at outside rubber astragal, when nutted rod 4 is all positioned at the second place, some nutted rod 4 axial line places diameter of a circle is less than some backstay 21 axial line places diameter of a circle, and nutted rod 4 is all pressed on rubber astragal lateral wall, frame 1 is also rotatably connected to a tightening hoop 5, tightening hoop 5 is provided with the governor motion 6 that nutted rod 4 can be moved to the second place after tightening hoop 5 rotates from primary importance, frame 1 is provided with when nutted rod 4 is positioned at the second place can the driving mechanism 7 of rotation axis 11 reciprocating rotation.Positioning disk 2 is enclosed within dwang, now nutted rod 4 is all positioned at primary importance, therefore nutted rod 4 is all positioned at the outside of rubber astragal, and nutted rod 4 is spaced apart with backstay 21, namely a nutted rod 4 is between adjacent two backstays 21, rotate tightening hoop 5, nutted rod 4 can be moved to the second place by the governor motion 6 on tightening hoop 5, now nutted rod 4 is pressed on rubber astragal periphery wall, and nutted rod 4 is all positioned at circle inside, backstay 21 axial line place, be tensioned at rubber astragal and drive rotation axis 11 reciprocating rotation by driving mechanism 7 afterwards, therefore positioning disk 2 is also along with reciprocating rotation together, backstay 21 on positioning disk 2 back and forth can stretch with rubber astragal local, Tensile Strength and Elongation test is carried out to rubber ring band, simultaneously because the backstay 21 that many circumferences are uniform stretches to rubber ring band simultaneously, make rubber astragal uniform throughout stressed, test figure is comparatively accurate.
Specifically, composition graphs 3, Fig. 4, Fig. 5, shown in Fig. 6, tension disk 3 radially offers some gathering sills 31, this some gathering sill 31 circumference is uniformly distributed, two relative cell walls of gathering sill 31 offer link slot 32 all along its length, nutted rod 4 is fixed with contiguous block 41, contiguous block 41 is slidably connected in gathering sill 31, and gathering sill 31 is stretched out at the two ends of nutted rod 4 respectively, gathering sill 31 one end is toward the outer side primary importance, one end towards the center of circle is the second place, namely nutted rod 4 is connected in gathering sill 31 by contiguous block 41, contiguous block 41 coordinates with link slot 32 can avoid the stressed inclination of nutted rod 4.Gathering sill 31 all radially offers blind hole 33 on one end end wall in the center of circle, spring 34 is provided with in blind hole 33, one end of this spring 34 is pressed on blind hole 33 bottom surface, the other end is pressed on contiguous block 41, namely, when positioning disk 2 is set in that on dwang, nutted rod 4 is not with the effect of rubber astragal, under the effect of spring 34, nutted rod 4 can be positioned at primary importance, without the need to manual adjustments nutted rod 4 position, easy to use.
Composition graphs 3, Fig. 4 governor motion 6 comprises circumference on tightening hoop 5 internal perisporium to be had and somely compresses projection 61, compress projection 61, on the side in the center of circle, there is all curved reset surface 611 and seal face 613, reset surface 611 place diameter of a circle is greater than seal face 613 place diameter of a circle, and reset surface 611 with compress face and be connected transition by inclined-plane 612, when nutted rod 4 leans with reset surface 611, nutted rod 4 is positioned at primary importance, when nutted rod 4 leans with the face that compresses, nutted rod 4 is positioned at the second place, frame 1 is also provided with when nutted rod 4 is with compress can by securing for preload ring keeper when face leans, when namely rotating tightening hoop 5, nutted rod 4 end can slide into abutment face from reset surface 611, because reset surface 611 place diameter of a circle is greater than seal face 613 place diameter of a circle, therefore in tightening hoop 5 rotation process, nutted rod 4 can move to the second place along gathering sill 31, and rotate backward tightening hoop can, nutted rod 4 can be returned to primary importance under the effect of spring 34.Keeper comprises register pin 62, on tension disk 3 periphery wall, radial direction is fixed with bar shaped handle 51, handle 51 offers through hole, frame 1 offers pilot hole, register pin 62 is plugged in pilot hole through through hole, and carry out in process of the test at rubber ring band, nutted rod 4 is positioned at the second place all the time, now fix tightening hoop 5 by register pin 62, process of the test can be made more stable.
Driving mechanism 7 comprises frame 1 is fixed with and drives cylinder 71, drive on the piston rod of cylinder 71 and be fixed with tooth bar 73, the end of rotation axis 11 is fixed with gear 72, gear 72 is meshed with tooth bar 73, tooth bar 73 is driven to move by driving cylinder 71, and then driven gear 72 rotates, cylinder 71 is driven to control stroke accurate.Frame 1 has one and stablize cover 12, tension disk 3 is fixed on the end of stable cover 12, on described stable cover 12, turning set is provided with adapter sleeve 52, on adapter sleeve 52 periphery wall, radial direction is fixed with some connecting links 53, tightening hoop 5 is fixed on the end of connecting link 53, and compress projection 61 between adjacent two connecting links 53, namely the two ends of adapter sleeve 52 lean with frame 1 and tension disk 3 respectively, namely tightening hoop 5 circumference can be rotated, and axial restraint.Positioning disk 2 has center pit, and being set on dwang by center pit, positioning disk 2 lateral wall has convex annular along 22 around center pit, and convex annular offers connecting hole along radial direction on 22, on rotation axis 11, radial direction offers fixed orifice, connecting hole is equipped with connecting pin 23, and this connecting pin 23 is plugged in fixed orifice, and namely positioning disk 2 can disassemble from rotation axis 11, respectively rubber astragal is installed, and fixed by connecting pin 23 when being set on rotation axis 11, structure is simple, easy to operate.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ frame 1, rotation axis 11 herein, stablize the terms such as cover 12, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (8)
1. the Tensile Strength and Elongation testing machine of a rubber astragal, comprise frame (1), positioning disk (2) and tension disk (3), it is characterized in that, on described positioning disk (2) side, circumference is fixed with some backstays (21) for the sheathed rubber ring band of tensioning, described frame (1) is rotatably connected to rotation axis (11), described tension disk (3) is connected in frame (1), above-mentioned rotation axis (11) is through tension disk (3), and positioning disk (2) can be located on rotation axis (11) by fixed cover, described tension disk (3) slidably connects some nutted rods (4) that can move to the second place from primary importance, when nutted rod (4) is all positioned at primary importance, some nutted rods (4) axial line place diameter of a circle is greater than some backstays (21) axial line place diameter of a circle, and nutted rod (4) is all positioned at outside rubber astragal, when nutted rod (4) is all positioned at the second place, some nutted rods (4) axial line place diameter of a circle is less than some backstays (21) axial line place diameter of a circle, and nutted rod (4) is all pressed on rubber astragal lateral wall, described frame (1) is also rotatably connected to a tightening hoop (5), described tightening hoop (5) is provided with the governor motion (6) that nutted rod (4) can be moved to the second place after tightening hoop (5) rotates from primary importance, described frame (1) is provided with when nutted rod (4) is positioned at the second place can the driving mechanism (7) that rotates of rotation axis (11).
2. the Tensile Strength and Elongation testing machine of rubber astragal according to claim 1, it is characterized in that, described tension disk (3) radially offers some gathering sills (31), this some gathering sills (31) circumference is uniformly distributed, two relative cell walls of described gathering sill (31) offer link slot (32) all along its length, described nutted rod (4) is fixed with contiguous block (41), described contiguous block (41) is slidably connected in gathering sill (31), and gathering sill (31) is stretched out at the two ends of nutted rod (4) respectively, described gathering sill (31) one end is toward the outer side primary importance, one end towards the center of circle is the second place.
3. the Tensile Strength and Elongation testing machine of rubber astragal according to claim 2, it is characterized in that, described gathering sill (31) all radially offers blind hole (33) on one end end wall in the center of circle, spring (34) is provided with in described blind hole (33), one end of this spring (34) is pressed on blind hole (33) bottom surface, and the other end is pressed on contiguous block (41).
4. the Tensile Strength and Elongation testing machine of the rubber astragal according to Claims 2 or 3, it is characterized in that, described governor motion (6) comprises circumference on tightening hoop (5) internal perisporium to be had and somely compresses projection (61), the described projection (61) that compresses has all curved reset surface (611) and seal face (613) on the side in the center of circle, described reset surface (611) place diameter of a circle is greater than seal face (613) place diameter of a circle, and reset surface (611) with compress face and be connected transition by inclined-plane (612), when nutted rod (4) leans with reset surface (611), nutted rod (4) is positioned at primary importance, when nutted rod (4) leans with the face that compresses, nutted rod (4) is positioned at the second place, described frame (1) is also provided with when nutted rod (4) is with compress can by securing for preload ring keeper when face leans.
5. the Tensile Strength and Elongation testing machine of rubber astragal according to claim 4, it is characterized in that, described keeper comprises register pin (62), on described tension disk (3) periphery wall, radial direction is fixed with bar shaped handle (51), (51) offer through hole with described handle, (1) offers pilot hole to described frame, and described register pin (62) is plugged in pilot hole through through hole.
6. the Tensile Strength and Elongation testing machine of rubber astragal according to claim 5, it is characterized in that, described driving mechanism (7) comprises frame (1) is fixed with and drives cylinder (71), the piston rod of described driving cylinder (71) is fixed with tooth bar (73), the end of described rotation axis (11) is fixed with gear (72), and described gear (72) is meshed with tooth bar (73).
7. the Tensile Strength and Elongation testing machine of rubber astragal according to claim 6, it is characterized in that, described frame (1) has a stable cover (12), above-mentioned tension disk (3) is fixed on the end of stable cover (12), the upper turning set of described stable cover (12) is provided with adapter sleeve (52), on described adapter sleeve (52) periphery wall, radial direction is fixed with some connecting links (53), above-mentioned tightening hoop (5) is fixed on the end of connecting link (53), described in compress projection (61) and be positioned between adjacent two connecting links (53).
8. the Tensile Strength and Elongation testing machine of rubber astragal according to claim 7, it is characterized in that, (2) have center pit to described positioning disk, and be set on dwang by center pit, described positioning disk (2) lateral wall has convex annular along (22) around center pit, and described convex annular offers connecting hole along (22) upper radial direction, and the upper radial direction of rotation axis (11) offers fixed orifice, connecting hole is equipped with connecting pin (23), and this connecting pin (23) is plugged in fixed orifice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420392975.9U CN204064829U (en) | 2014-07-16 | 2014-07-16 | A kind of Tensile Strength and Elongation testing machine of rubber astragal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420392975.9U CN204064829U (en) | 2014-07-16 | 2014-07-16 | A kind of Tensile Strength and Elongation testing machine of rubber astragal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084881A (en) * | 2017-06-16 | 2017-08-22 | 中国人民解放军第五七九工厂 | A kind of whole O-shaped rubber ring tension test extension at break measuring device and method |
| CN109459306A (en) * | 2018-12-13 | 2019-03-12 | 芜湖富春染织股份有限公司 | A kind of yarn annular strength detection device |
| CN112378760A (en) * | 2021-01-18 | 2021-02-19 | 南京济同检测科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
| CN116106126A (en) * | 2023-04-13 | 2023-05-12 | 青岛科技大学 | Testing equipment for measuring tensile property of sealing ring |
-
2014
- 2014-07-16 CN CN201420392975.9U patent/CN204064829U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084881A (en) * | 2017-06-16 | 2017-08-22 | 中国人民解放军第五七九工厂 | A kind of whole O-shaped rubber ring tension test extension at break measuring device and method |
| CN107084881B (en) * | 2017-06-16 | 2023-05-16 | 中国人民解放军第五七一九工厂 | Device and method for measuring elongation at break of whole O-shaped rubber ring in tensile test |
| CN109459306A (en) * | 2018-12-13 | 2019-03-12 | 芜湖富春染织股份有限公司 | A kind of yarn annular strength detection device |
| CN109459306B (en) * | 2018-12-13 | 2022-03-08 | 芜湖富春染织股份有限公司 | Yarn annular strength detection device |
| CN112378760A (en) * | 2021-01-18 | 2021-02-19 | 南京济同检测科技有限公司 | Rubber ring strength detection device with biaxial stretching mechanism |
| CN116106126A (en) * | 2023-04-13 | 2023-05-12 | 青岛科技大学 | Testing equipment for measuring tensile property of sealing ring |
| CN116106126B (en) * | 2023-04-13 | 2023-06-23 | 青岛科技大学 | Testing equipment for measuring tensile property of sealing ring |
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