CN217084517U - Bending fatigue testing machine - Google Patents
Bending fatigue testing machine Download PDFInfo
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- CN217084517U CN217084517U CN202123333964.2U CN202123333964U CN217084517U CN 217084517 U CN217084517 U CN 217084517U CN 202123333964 U CN202123333964 U CN 202123333964U CN 217084517 U CN217084517 U CN 217084517U
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- driving wheel
- band pulley
- follow
- testing machine
- extension bar
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Abstract
The utility model relates to a bending fatigue testing machine, in particular to technical field of testing machine, including roof and bracing piece, the roof bottom is provided with two connecting rods, two the connecting rod bottom is connected with the dead lever, the same vertical face in the middle of the dead lever is provided with the extension bar on a plurality of perpendicular to dead lever surfaces, be provided with detection device on the extension bar, the extension bar both sides are provided with first follow band pulley and the second follow band pulley of equal radius respectively, first follow band pulley and second are provided with linkage actuating mechanism from the band pulley top, first follow band pulley and second are provided with a plurality of centre gripping holes from the band pulley, wear to be equipped with tubular product in the centre gripping hole, the extension bar is the joint between adjacent tubular product respectively, the utility model discloses have and improve detection efficiency, carry out the technological effect of tubular product bending fatigue experiment in batches.
Description
Technical Field
The utility model belongs to the technical field of the technique of testing machine and specifically relates to indicate a bending fatigue testing machine.
Background
The fatigue testing machine is a machine mainly used for testing the fatigue performance of metal and alloy materials thereof under the conditions of tensile, compression or tensile and compression alternating loads at room temperature.
The fatigue testing machine is used for testing the fatigue property, the fatigue life, the preformed crack and the crack propagation of the metal, the alloy material and the components (such as an operation joint, a fixed component, a spiral motion component and the like) thereof under the tensile, compression or tensile-compression alternating load at room temperature. After the high-frequency fatigue testing machine is provided with corresponding testing clamps, the three-point bending test, the four-point bending test, the thin plate tensile test, the thick plate tensile test, the reinforced steel bar tensile test, the chain tensile test, the fixed connection piece test, the connecting rod test, the torsion fatigue test, the bending-torsion composite fatigue test, the interactive bending fatigue test, the CT test, the CCT test, the gear fatigue test and the like under the sine load can be carried out.
The pipe bending fatigue testing machine in the prior art can only test one pipe at a time, and the efficiency of the measuring equipment is too low.
Disclosure of Invention
The utility model aims at providing a bending fatigue testing machine, it has improvement detection efficiency, carries out the effect of tubular product bending fatigue experiment in batches.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a bending fatigue testing machine, includes roof and bracing piece, the ejector pin bottom is provided with two connecting rods, two the connecting rod bottom is connected with the dead lever, the same vertical face in the middle of the dead lever is provided with the extension bar on a plurality of perpendicular to dead lever surfaces, be provided with detection device on the extension bar, the extension bar both sides are provided with first follow band pulley and the second follow band pulley of uniform radius respectively, first follow band pulley and second are provided with linkage actuating mechanism from the band pulley top, first follow band pulley and second are provided with a plurality of centre gripping holes from the band pulley, wear to be equipped with tubular product in the centre gripping hole, the extension bar difference joint is between adjacent tubular product.
Preferably, the linkage driving mechanism includes two the dwang at connecting rod middle part, the dwang both ends are passed through the bearing rotation respectively in the connecting rod and are connected, first follow driving wheel and second follow driving wheel top fixed third that is provided with respectively and follow driving wheel and fourth from the driving wheel, first follow driving wheel and third follow driving wheel and pass through the belt and connect, the second follows driving wheel and fourth from the driving wheel and pass through the belt and connect, the third follows driving wheel and fourth from fixed coaxial fifth from the driving wheel of being provided with between the driving wheel, the roof bottom surface directly over the fifth from the driving wheel is provided with the sixth action wheel, the roof below is provided with the motor, the motor is fixed with the sixth action wheel.
Preferably, the clamping hole is internally provided with a rubber ring, and the inner wall of the rubber ring is integrally formed with a plurality of convex ribs parallel to the shaft of the clamping hole.
Preferably, a shock pad is arranged between the motor and the top plate.
Preferably, the extension rod, the fifth driven wheel and the sixth driving wheel are located on the same vertical plane.
To sum up, the utility model has the advantages that:
firstly, put into first from the centre gripping hole on driving wheel and the second from the driving wheel with many tubular products, then rotate tubular product through linkage actuating mechanism for tubular product produces equivalent displacement for the extension bar, according to changing the displacement volume test tubular product displacement volume when breaking, thereby obtains the fatigue resistance ability of tubular product, thereby has realized that the colleague measures the bending fatigue test of a plurality of tubular products, has improved efficiency of software testing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The marks in the figure are respectively 1 and a top plate; 11. a connecting rod; 12. fixing the rod; 13. an extension bar; 14. a first secondary pulley; 15. a second secondary pulley; 16. a linkage drive mechanism; 161. rotating the rod; 162. a third driven wheel; 163. a fourth driven wheel; 164. a fifth driven wheel; 165. a sixth driving wheel; 166. a motor; 17. a clamping hole; 2. a support rod.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a bending fatigue testing machine comprises a top plate 1 and a supporting rod 2, two connecting rods 11 are arranged at the bottom end of the top plate 1, the bottom ends of the two connecting rods 11 are connected with a fixing rod 12, a plurality of extension rods 13 perpendicular to the surface of the fixing rod 12 are arranged on the same vertical surface in the middle of the fixing rod 12, a detection device is arranged on each extension rod 13, a first driven belt wheel 14 and a second driven belt wheel 15 which are equal in radius are respectively arranged on two sides of each extension rod 13, a linkage driving mechanism 16 is arranged above the first driven belt wheel 14 and the second driven belt wheel 15, a plurality of clamping holes 17 are formed in the first driven belt wheel 14 and the second driven belt wheel 15, pipes are arranged in the clamping holes 17 in a penetrating mode, and the extension rods 13 are respectively clamped between adjacent pipes.
The working principle is as follows: firstly, a plurality of pipes are placed into the clamping holes 17 on the first driven wheel and the second driven wheel, then the pipes are rotated through the linkage driving mechanism 16, so that the pipes generate equivalent displacement relative to the extension rod 13, the displacement when the pipes are broken is tested according to the changed displacement, and the fatigue resistance of the pipes is obtained, thereby realizing the bending fatigue test of measuring the pipes by colleagues, and improving the test efficiency.
The linkage driving mechanism 16 includes two rotating rods 161 arranged in the middle of the connecting rod 11, two ends of each rotating rod 161 are rotatably connected with the connecting rod 11 through bearings, a third driven wheel 162 and a fourth driven wheel 163 are fixedly arranged on the tops of the first driven wheel and the second driven wheel respectively, the first driven wheel and the third driven wheel 162 are connected through a belt, the second driven wheel and the fourth driven wheel 163 are connected through a belt, a fifth driven wheel 164 is fixedly and coaxially arranged between the third driven wheel 162 and the fourth driven wheel 163, a sixth driving wheel 165 is arranged on the bottom surface of the top plate 1 right above the fifth driven wheel 164, a motor 166 is arranged below the top plate 1, the motor 166 is fixed with the sixth driving wheel 165, by adopting the structure, the fifth driven wheel is driven by the sixth driving wheel 165, and the third driven wheel 162 and the fourth driven wheel 163 on two sides of the fifth driven wheel 164 respectively drive the first driven wheel and the second driven wheel, therefore, the pipe can be driven to be pressed towards the extension bar 13, and the displacement of the pipe in bending fracture can be obtained according to the measuring device on the extension bar 13.
The inside rubber circle that is provided with of centre gripping hole 17, rubber circle inner wall integrated into one piece has a plurality of beads that are on a parallel with centre gripping hole 17 axle, adopts such structure can make the centre gripping effect better.
A shock pad is arranged between the motor 166 and the top plate 1.
The extension bar 13 and the fifth driving wheel 164 are located on the same vertical plane as the sixth driving wheel 165, and the test result can be more accurate by adopting the structure.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (5)
1. A bending fatigue testing machine is characterized in that: including roof (1) and bracing piece (2), roof (1) bottom is provided with two connecting rods (11), two connecting rod (11) bottom is connected with dead lever (12), dead lever (12) same vertical face in the middle of the centre is provided with extension bar (13) on a plurality of perpendicular to dead lever (12) surfaces, be provided with detection device on extension bar (13), extension bar (13) both sides are provided with first follow band pulley (14) and the second follow band pulley (15) of uniform radius respectively, first follow band pulley (14) and second are provided with linkage actuating mechanism (16) from band pulley (15) top, first follow band pulley (14) and second are provided with a plurality of centre gripping holes (17) from band pulley (15), wear to be equipped with tubular product in centre gripping hole (17), extension bar (13) joint respectively between adjacent tubular product.
2. The bending fatigue testing machine according to claim 1, characterized in that: linkage actuating mechanism (16) includes two dwang (161) at connecting rod (11) middle part, dwang (161) both ends are passed through the bearing rotation in connecting rod (11) respectively and are connected, first follow driving wheel and second follow driving wheel top and fixedly be provided with the third respectively and follow driving wheel (162) and fourth from driving wheel (163), first follow driving wheel and third follow driving wheel (162) and pass through the belt and connect, the second follows driving wheel and fourth from driving wheel (163) and pass through the belt and connect, the third follows fixed coaxial fifth from driving wheel (164) that is provided with between driving wheel (162) and fourth from driving wheel (163), roof (1) bottom surface directly over fifth from driving wheel (164) is provided with sixth action wheel (165), roof (1) below is provided with motor (166), motor (166) are fixed with sixth action wheel (165).
3. The bending fatigue testing machine according to claim 2, characterized in that: the rubber ring is arranged in the clamping hole (17), and a plurality of convex ribs parallel to the axis of the clamping hole (17) are integrally formed on the inner wall of the rubber ring.
4. The bending fatigue testing machine according to claim 3, wherein: and a shock pad is arranged between the motor (166) and the top plate (1).
5. The bending fatigue testing machine according to claim 4, wherein: the extension rod (13), the fifth driven wheel (164) and the sixth driving wheel (165) are located on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123333964.2U CN217084517U (en) | 2021-12-28 | 2021-12-28 | Bending fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123333964.2U CN217084517U (en) | 2021-12-28 | 2021-12-28 | Bending fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217084517U true CN217084517U (en) | 2022-07-29 |
Family
ID=82540388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123333964.2U Active CN217084517U (en) | 2021-12-28 | 2021-12-28 | Bending fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217084517U (en) |
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2021
- 2021-12-28 CN CN202123333964.2U patent/CN217084517U/en active Active
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