CN108414344B - Stroke adjusting structure of high-low temperature rubber stretching fatigue testing machine - Google Patents
Stroke adjusting structure of high-low temperature rubber stretching fatigue testing machine Download PDFInfo
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- CN108414344B CN108414344B CN201810113212.9A CN201810113212A CN108414344B CN 108414344 B CN108414344 B CN 108414344B CN 201810113212 A CN201810113212 A CN 201810113212A CN 108414344 B CN108414344 B CN 108414344B
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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
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Abstract
The invention discloses a stroke adjusting structure of a high-low temperature rubber stretching fatigue testing machine, and relates to the field of testing instruments. The stroke adjusting structure comprises a cam, the cam is connected with a connecting rod, the middle part of the connecting rod is connected with a bearing seat, the other end of the connecting rod is connected with a transmission rod, the bearing seat is connected with a sliding block, and the sliding block is connected with a screw rod. This structure is adjusted to stroke of high low temperature rubber tensile fatigue test machine drives the cam through the power wheel and rotates, and the cam rotates and makes the connecting rod swing from top to bottom around the axis of rotation of bearing frame to drive the transfer line and reciprocate, link to each other bearing frame and slider, thereby utilize the screw rod to adjust the slider position and change the bearing frame position, and finally change the stroke that the transfer line reciprocated, rational in infrastructure, save time can change the tensile stroke among the test procedure moreover, and it is more convenient to use.
Description
Technical Field
The invention relates to the field of testing instruments, in particular to a stroke adjusting structure of a high-low temperature rubber stretching fatigue testing machine.
Background
With the development of the times, the rubber manufacturing technology is improved, the application range of rubber is wider and wider, in the important application field, the test before the use of the rubber is more and more emphasized, a rubber fatigue testing machine is usually used for carrying out related tests on the stretching, rotating, compressing and stripping of the rubber, and the existing test technology for the rubber tensile fatigue adopts a servo motor to drive stretching equipment in different rotating directions to stretch the rubber so as to carry out the tensile test, but the stretching mode wastes time and cannot change the stroke of stretching the rubber.
Disclosure of Invention
The invention provides a stroke adjusting structure of a high-low temperature rubber stretching fatigue testing machine, which aims to solve the problems that the stretching mode of the existing rubber testing machine is time-consuming and the rubber stretching stroke cannot be changed.
In order to achieve the purpose, the stroke adjusting structure of the high and low temperature rubber stretching fatigue testing machine adopts the following technical scheme:
a stroke adjusting structure of a high and low temperature rubber stretching fatigue testing machine comprises a lower fixing plate, wherein a pillar is arranged on the lower fixing plate, an upper fixing plate is arranged at the top of the pillar, and a first fixing seat and a second fixing seat are further arranged above the lower fixing plate;
the first fixing seat and the second fixing seat are provided with transmission shafts, one end of each transmission shaft, which is close to the first fixing seat, is provided with a power wheel, one end of each transmission shaft, which is close to the second fixing seat, is provided with a cam, a cam rod is arranged above the cam, the lower end of the cam rod is connected with the cam, a connecting rod is arranged above the cam rod, and the upper end of the cam rod is rotatably connected with one end of the connecting rod;
the upper fixing plate is provided with a transmission rod hole, a transmission rod is arranged in the transmission rod hole and penetrates through the transmission rod hole, the bottom end of the transmission rod is rotatably connected with the connecting rod, a first guide rail is arranged on one side, corresponding to the transmission rod hole, above the upper fixing plate, and is vertical to the upper fixing plate, the transmission rod is in sliding connection with the first guide rail, a fixing frame is arranged on one side, away from the transmission rod, of the first guide rail, the bottom of the fixing frame is fixedly connected with the upper fixing plate, and the first guide rail;
the improved bearing seat is characterized in that a second guide rail is arranged below the upper fixing plate and fixedly connected with the upper fixing plate, a sliding block is arranged on the second guide rail and slidably connected with the second guide rail, a bearing seat is arranged below the bottom of the sliding block and fixedly connected with the sliding block, a rotating shaft is arranged on the lower portion of the bearing seat, two ends of the rotating shaft are rotatably connected with the bearing seat, a sliding groove is formed in the middle of the connecting rod, and the rotating shaft on the bearing seat penetrates through.
Furthermore, a screw rod is further arranged below the upper fixing plate, a screw rod mounting seat is further arranged below the upper fixing plate, the screw rod is rotatably connected with the screw rod mounting seat, an adjusting hand wheel is arranged at one end, away from the middle of the upper fixing plate, of the screw rod, and the screw rod is in threaded connection with the sliding block.
Furthermore, the adjusting hand wheel is provided with scale marks.
Furthermore, sheet metal blocks are arranged on two sides of the groove in the middle of the connecting rod, rotating shaft limiting grooves are formed in the sheet metal blocks, and limiting teeth corresponding to the rotating shaft limiting grooves are arranged on the rotating shaft on the bearing seat.
Furthermore, the adjusting hand wheel, the screw and the transmission rod hole are located on the center line of the upper fixing plate, the lower end of the cam rod is hinged with the cam, the limiting teeth on the rotating shaft are thread teeth, and the length of the rotating shaft is matched with the distance from the cam to the screw mounting seat.
The power wheel drives the cam to rotate, the cam rotates to enable the connecting rod to swing up and down around the rotating shaft of the bearing seat, so that the transmission rod is driven to move up and down, the bearing seat is connected with the sliding block, the position of the sliding block is adjusted by the screw rod to change the position of the bearing seat, the stroke of the transmission rod moving up and down is finally changed, the structure is reasonable, the time is saved, the stretching stroke in the testing process can be changed, and the use is more convenient.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic side view of an embodiment of the present invention.
The reference numerals are explained below:
the device comprises a lower fixing plate 11, an upper fixing plate 12, a strut 13, a first fixing seat 14, a second fixing seat 15, a transmission shaft 16, a power wheel 17, a cam 18, a cam rod 19, a connecting rod 20, a transmission rod hole 21, a transmission rod 22, a first guide rail 23, a fixing frame 24, a second guide rail 25, a sliding block 26, a bearing seat 27, a rotating shaft 28, a sliding groove 29, a screw rod 30, a screw rod mounting seat 31, an adjusting hand wheel 32, a sheet metal block 33, a rotating shaft limiting groove 34 and limiting teeth 35.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the advantages and spirit of the present invention will be further understood by reference to the following detailed description and the accompanying drawings.
Referring to the drawings, the stroke adjusting structure of the high and low temperature rubber stretching fatigue testing machine of the present invention is used for the high and low temperature rubber stretching fatigue testing machine, and includes a lower fixing plate 11, a pillar 13 is disposed on the lower fixing plate 11, an upper fixing plate 12 is disposed on the top of the pillar 13, the upper and lower fixing plates 11 are disposed in parallel, a first fixing seat 14 and a second fixing seat 15 are further disposed above the lower fixing plate 11, the first fixing seat 14 and the second fixing seat 15 are located on the left side of the lower fixing plate 11, and the second fixing seat 15 is located on the centerline of the lower fixing plate 11.
The first fixing seat 14 and the second fixing seat 15 are provided with transmission shafts 16, one end of each transmission shaft 16, which is close to the first fixing seat 14, is provided with a power wheel 17, one end of each transmission shaft 16, which is close to the second fixing seat 15, is provided with a cam 18, and the power wheels 17 rotate to drive the transmission shafts 16 to rotate the cams 18. A cam rod 19 is arranged above the cam 18, the lower end of the cam rod 19 is connected with the cam 18, a connecting rod 20 is arranged above the cam rod 19, the upper end of the cam rod 19 is rotatably connected with one end of the connecting rod 20, a transmission rod hole 21 is formed in the upper fixing plate 12, a transmission rod 22 is arranged in the transmission rod hole 21, the transmission rod 22 penetrates through the transmission rod hole 21, the bottom end of the transmission rod 22 is rotatably connected with the connecting rod 20, the cam 18 rotates to drive the cam rod 19, and the cam rod 19 pulls the connecting rod 20, so that the transmission rod 22 is pulled to move.
A first guide rail 23 is arranged above the upper fixing plate 12 at one side corresponding to the transmission rod hole 21, the first guide rail 23 is perpendicular to the upper fixing plate 12, and the transmission rod 22 is connected with the first guide rail 23 in a sliding manner, so that the transmission rod 22 only moves up and down, and the transmission rod 22 is used for stretching the rubber to be tested. A fixed frame 24 is arranged on one side of the first guide rail 23 away from the transmission rod 22, the bottom of the fixed frame 24 is fixedly connected with the upper fixing plate 12, the first guide rail 23 is fixed on the fixed frame 24, and the first guide rail 23 is perpendicular to the upper fixing plate 12 in this embodiment.
In this embodiment, a second guide rail 25 is arranged below the upper fixing plate 12, the second guide rail 25 is fixedly connected with the upper fixing plate 12, a sliding block 26 is arranged on the second guide rail 25, the sliding block 26 is slidably connected with the second guide rail 25, a bearing seat 27 is arranged below the bottom of the sliding block 26, the bearing seat 27 is fixedly connected with the sliding block 26, a rotating shaft 28 is arranged below the bearing seat 27, two ends of the rotating shaft 28 are rotatably connected with the bearing seat 27, a sliding groove 29 is arranged in the middle of the connecting rod 20, and the rotating shaft 28 on the bearing seat 27. Since the distance of the cam 18 rotating to move the cam rod 19 up and down is determined, the slider 26 is moved to change the position of the rotating shaft 28 of the bearing seat 27 on the connecting rod 20, and the change of the stroke distance of the transmission rod 22 up and down is realized.
In this embodiment, a screw 30 is further disposed below the upper fixing plate 12, a screw mounting seat 31 is further disposed below the upper fixing plate 12, the screw 30 is rotatably connected with the screw mounting seat 31, an adjusting hand wheel 32 is disposed at one end of the screw 30, which is far away from the middle of the upper fixing plate 12, the screw 30 is in threaded connection with the slider 26, and the adjusting hand wheel 32 is matched with the screw 30 to achieve accurate position change of the slider 26.
For further promotion practicality, be equipped with the scale mark on the adjusting hand wheel 32 of this embodiment, the registration on the cooperation scale mark for adjusting hand wheel 32 rotates the number of turns and transfer line 22 upstroke and downstroke and produces the one-to-one, and the use alright more standard and standard.
In another embodiment, the two sides of the groove in the middle of the connecting rod 20 are provided with the sheet metal blocks 33, the sheet metal blocks 33 are provided with the rotating shaft limiting grooves 34, and the rotating shaft 28 on the bearing seat 27 is provided with the limiting teeth 35 corresponding to the rotating shaft limiting grooves 34, so that the friction between the connecting rod 20 and the rotating shaft 28 can be reduced, and the phenomenon that the stroke of the transmission rod 22 is changed due to redundant movement generated when the connecting rod 20 and the rotating shaft 28 move is avoided.
In another embodiment, the adjusting hand wheel 32, the screw 30 and the transmission rod hole 21 are arranged on the midline of the upper fixing plate 12, the lower end of the cam rod 19 is hinged with the cam 18, the limiting teeth 35 on the rotating shaft 28 are thread teeth, and the length of the rotating shaft 28 is matched with the distance from the cam 18 to the screw mounting seat 31. Normally, the connecting rod 20 and the screw rod 30 are arranged in parallel, and for the space utilization rate of the lifting device, the connecting rod 20 and the screw rod 30 are not parallel, and the position of the bearing seat 27 is changed, so that the connecting rod 20 rotates in a horizontal position, the lower end of the cam rod 19 is hinged with the cam 18, the length of the rotating shaft 28 is increased, and the limiting tooth 35 on the rotating shaft 28 is arranged as a thread tooth.
Numerical control equipment can also be added, and the rotation turns of the adjusting hand wheel 32 can be accurately controlled by the equipment such as a computer. The width of the screw 30 of the present embodiment is uniformly distributed, and the width variation can also be changed according to actual situations, specifically, if the stroke is smaller, it can be more accurate, the thread density at the end of the screw 30 far from the screw mounting seat 31 should be increased.
The foregoing examples, which are indicative of several preferred embodiments of the invention, are given in detail and are therefore to be understood that the invention is not limited to the precise forms disclosed herein, and is not to be construed as being limited to the exclusion of other examples, which may be used in various other combinations, modifications, and environments and which are capable of modification within the scope of the inventive concept described herein, either by the above teachings or by the skill or knowledge of the relevant art, and therefore not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and those skilled in the art can make modifications and variations without departing from the spirit and scope of the present invention, which falls within the protection scope of the appended claims. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A stroke adjusting structure of a high and low temperature rubber stretching fatigue testing machine is characterized by comprising a lower fixing plate (11), wherein a support column (13) is arranged on the lower fixing plate (11), an upper fixing plate (12) is arranged at the top of the support column (13), and a first fixing seat (14) and a second fixing seat (15) are further arranged above the lower fixing plate (11);
a transmission shaft (16) is arranged on the first fixing seat (14) and the second fixing seat (15), a power wheel (17) is arranged at one end, close to the first fixing seat (14), of the transmission shaft (16), a cam (18) is arranged at one end, close to the second fixing seat (15), of the transmission shaft (16), a cam rod (19) is arranged above the cam (18), the lower end of the cam rod (19) is connected with the cam (18), a connecting rod (20) is arranged above the cam rod (19), and the upper end of the cam rod (19) is rotatably connected with one end of the connecting rod (20);
the upper fixing plate (12) is provided with a transmission rod hole (21), a transmission rod (22) is arranged in the transmission rod hole (21), the transmission rod (22) penetrates through the transmission rod hole (21), the bottom end of the transmission rod (22) is rotatably connected with the connecting rod (20), a first guide rail (23) is arranged above the upper fixing plate (12) and corresponds to one side of the transmission rod hole (21), the first guide rail (23) is perpendicular to the upper fixing plate (12), the transmission rod (22) is in sliding connection with the first guide rail (23), a fixing frame (24) is arranged on one side, far away from the transmission rod (22), of the first guide rail (23), the bottom of the fixing frame (24) is fixedly connected with the upper fixing plate (12), and the first guide rail (23) is fixed;
the utility model discloses a bearing frame, including upper fixed plate (12), upper fixed plate (12) below is equipped with second guide rail (25), second guide rail (25) and upper fixed plate (12) fixed connection, is equipped with slider (26) on second guide rail (25), slider (26) and second guide rail (25) sliding connection, and slider (26) bottom below is equipped with bearing frame (27), bearing frame (27) and slider (26) fixed connection, bearing frame (27) lower part is equipped with axis of rotation (28), and the both ends of axis of rotation (28) rotate with bearing frame (27) to be connected, and connecting rod (20) middle part is equipped with spout (29), and spout (29) are passed in axis of rotation (28) on bearing frame (27.
2. The stroke adjusting structure of the high and low temperature rubber stretching fatigue testing machine according to claim 1, wherein a screw rod (30) is further arranged below the upper fixing plate (12), a screw rod mounting seat (31) is further arranged below the upper fixing plate (12), the screw rod (30) is rotatably connected with the screw rod mounting seat (31), an adjusting hand wheel (32) is arranged at one end of the screw rod (30) far away from the middle of the upper fixing plate (12), and the screw rod (30) is in threaded connection with the sliding block (26).
3. The stroke adjusting structure of the high and low temperature rubber stretching fatigue testing machine as claimed in claim 2, wherein the adjusting hand wheel (32) is provided with scale marks.
4. The stroke adjusting structure of the high and low temperature rubber stretching fatigue testing machine according to any one of claims 2 to 3, characterized in that both sides of the groove in the middle of the connecting rod (20) are provided with sheet metal blocks (33), the sheet metal blocks (33) are provided with rotating shaft limiting grooves (34), and the rotating shaft (28) on the bearing seat (27) is provided with limiting teeth (35) corresponding to the rotating shaft limiting grooves (34).
5. The stroke adjusting structure of the high and low temperature rubber stretching fatigue testing machine according to claim 4, wherein the adjusting hand wheel (32), the screw rod (30) and the transmission rod hole (21) are located on the center line of the upper fixing plate (12), the lower end of the cam rod (19) is hinged with the cam (18), the limiting teeth (35) on the rotating shaft (28) are thread teeth, and the length of the rotating shaft (28) matches the distance from the cam (18) to the screw rod mounting seat (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113212.9A CN108414344B (en) | 2018-02-05 | 2018-02-05 | Stroke adjusting structure of high-low temperature rubber stretching fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113212.9A CN108414344B (en) | 2018-02-05 | 2018-02-05 | Stroke adjusting structure of high-low temperature rubber stretching fatigue testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108414344A CN108414344A (en) | 2018-08-17 |
| CN108414344B true CN108414344B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810113212.9A Expired - Fee Related CN108414344B (en) | 2018-02-05 | 2018-02-05 | Stroke adjusting structure of high-low temperature rubber stretching fatigue testing machine |
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| Country | Link |
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| CN (1) | CN108414344B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458165A (en) * | 2020-05-28 | 2020-07-28 | 高铁检测仪器（东莞）有限公司 | Testing method of gantry type tire comprehensive strength testing machine |
| CN112782013B (en) * | 2020-12-29 | 2022-03-25 | 南京林业大学 | Fatigue stretching device for rattan performance test |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2458617Y (en) * | 2001-01-04 | 2001-11-07 | 中国科学院长春光学精密机械与物理研究所 | Pressing head for elastic strip fatique-testing machine |
| CN102589994A (en) * | 2012-02-17 | 2012-07-18 | 南京航空航天大学 | Multifunctional mechanical tension and compression fatigue loading device and method |
| CN103091158A (en) * | 2013-01-11 | 2013-05-08 | 宁波永信汽车部件制造有限公司 | Fatigue testing machine for torsion spring |
| CN203606124U (en) * | 2013-11-22 | 2014-05-21 | 深圳天祥质量技术服务有限公司 | Handle fatigue test machine |
| CN105628365A (en) * | 2016-04-14 | 2016-06-01 | 南京航空航天大学 | Spring tension-compression fatigue testing device |
| CN106053053A (en) * | 2016-08-10 | 2016-10-26 | 三峡大学 | Piston ring fatigue testing machine and fatigue testing method |
| CN107831001A (en) * | 2017-11-02 | 2018-03-23 | 贺欣豪 | A kind of spring fatigue strength testing device |
-
2018
- 2018-02-05 CN CN201810113212.9A patent/CN108414344B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2458617Y (en) * | 2001-01-04 | 2001-11-07 | 中国科学院长春光学精密机械与物理研究所 | Pressing head for elastic strip fatique-testing machine |
| CN102589994A (en) * | 2012-02-17 | 2012-07-18 | 南京航空航天大学 | Multifunctional mechanical tension and compression fatigue loading device and method |
| CN103091158A (en) * | 2013-01-11 | 2013-05-08 | 宁波永信汽车部件制造有限公司 | Fatigue testing machine for torsion spring |
| CN203606124U (en) * | 2013-11-22 | 2014-05-21 | 深圳天祥质量技术服务有限公司 | Handle fatigue test machine |
| CN105628365A (en) * | 2016-04-14 | 2016-06-01 | 南京航空航天大学 | Spring tension-compression fatigue testing device |
| CN106053053A (en) * | 2016-08-10 | 2016-10-26 | 三峡大学 | Piston ring fatigue testing machine and fatigue testing method |
| CN107831001A (en) * | 2017-11-02 | 2018-03-23 | 贺欣豪 | A kind of spring fatigue strength testing device |
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| CN108414344A (en) | 2018-08-17 |
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Granted publication date: 20200619 Termination date: 20220205 |