CN216717803U - Automobile transmission shaft fatigue testing machine - Google Patents
Automobile transmission shaft fatigue testing machine Download PDFInfo
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- CN216717803U CN216717803U CN202123086682.7U CN202123086682U CN216717803U CN 216717803 U CN216717803 U CN 216717803U CN 202123086682 U CN202123086682 U CN 202123086682U CN 216717803 U CN216717803 U CN 216717803U
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- mounting frame
- oil cylinder
- transmission shaft
- rotating shaft
- block
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Abstract
The utility model relates to an automobile transmission shaft fatigue testing machine which comprises a base, wherein one end of the base is provided with a torque sensing device, the other end of the base is provided with a rotation driving device, one end of the torque sensing device is provided with a first flange, one end of the rotation driving device is provided with a second flange, the torque sensing device comprises a first mounting frame, a second mounting frame, a sliding frame and a torque sensor, the automobile transmission shaft fatigue testing machine also comprises a first guide rail and a second guide rail which are arranged on the first mounting frame and the second mounting frame, the sliding frame is arranged between the first mounting frame and the second mounting frame, the sliding frame is slidably arranged on the first guide rail and the second guide rail, the torque sensor is arranged on the sliding frame, the first flange is arranged on the torque sensor, and a linear driving mechanism for driving the sliding frame to move along the horizontal direction is arranged on the first mounting frame. The utility model does not need to adjust the whole rotation driving device or the torque sensing device, and the adjustment is more convenient.
Description
Technical Field
The utility model relates to an automobile transmission shaft fatigue testing machine.
Background
The automobile transmission shaft and the steering system are important components of an automobile and are key parts for determining the running safety and reliability of the automobile, wherein the fatigue test of the transmission shaft comprises a static torque test and a fatigue torque test, the static torque test is static maximum torque, the fatigue torque value is the capability of a sample for resisting fatigue damage under the condition of simulating or strengthening normal use working conditions, and the fatigue torque test is an essential test content.
For example, in the chinese utility model patent with the title of grant publication No. CN202420839U, the title of "an automobile transmission shaft is quiet to turn round and twists reverse fatigue test bench", an automobile transmission shaft is quiet to turn round and twists reverse fatigue test bench, and the one end of test bench is main speed reducer, and the other end is quiet torque sensor, be the centre gripping space of being surveyed the transmission shaft between main speed reducer and the quiet torque sensor, main speed reducer's output shaft side still is equipped with corner sensor, still including the driving motor who is used for driving main speed reducer, main speed reducer and quiet torque sensor all with the base fastening connection of test bench. And the main speed reducer and the static torque sensor are respectively connected with two ends of the transmission shaft to be measured through a front end wedge-shaped flange and a tail end wedge-shaped flange. The base of test bench in this patent is many T type channel iron floors to in the change different varieties and length the survey transmission shaft, it is when carrying out the transmission shaft test of different length, need adjust the position of speed reducer or tail end fixed bolster through connecting bolt, the debugging is wasted time and energy relatively. In addition, the middle support is arranged below the tail end wedge-shaped flange for supporting, when different workpieces are replaced, the position of a connecting bolt of the middle support also needs to be adjusted, and the adjustment is relatively troublesome.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automobile transmission shaft fatigue testing machine which can adapt to transmission shafts with different lengths and is convenient to adjust.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fatigue testing machine for an automobile transmission shaft comprises a base, wherein one end of the base is provided with a torque sensing device, the other end of the base is provided with a rotation driving device, one end of the torque sensing device is provided with a first flange plate, one end of the rotation driving device is provided with a second flange plate, a clamping space for clamping the transmission shaft is formed between the first flange plate and the second flange plate, the torque sensing device comprises a first mounting frame, a second mounting frame, a sliding frame, a torque sensor, a first guide rail and a second guide rail which are arranged on the first mounting frame and the second mounting frame, the sliding frame is arranged between the first mounting frame and the second mounting frame, the sliding frame is slidably arranged on the first guide rail and the second guide rail, the torque sensor is arranged on the sliding frame, a first flange plate is arranged on the torque sensor, and a linear driving mechanism for driving the sliding frame to move along the horizontal direction is arranged on the first mounting frame.
As a preferred mode of the present invention, the linear driving mechanism is a driving cylinder, a cylinder body of the driving cylinder is fixed on the first mounting frame, the cylinder body of the driving cylinder is arranged along a horizontal direction, and a piston rod of the driving cylinder is fixedly connected with the sliding frame.
As a preferable mode of the present invention, the rotation driving device includes a first bracket, a second bracket, a rotating shaft, a swinging block, a first oil cylinder and a second oil cylinder, the rotating shaft is rotatably mounted on the first bracket and the second bracket, the rotating shaft is disposed along a horizontal direction, the swinging block is disposed on the rotating shaft in a manner of rotating synchronously with the rotating shaft, the second flange is mounted on the rotating shaft, a first clamping block and a second clamping block are disposed at two ends of the swinging block in a radial direction, a cylinder body of the first oil cylinder is mounted on the second bracket, a piston rod of the first oil cylinder is provided with a first clamping groove which is matched with the first clamping block to drive the swinging block to swing around an axis of the rotating shaft, a cylinder body of the second oil cylinder is mounted on the second bracket, and a piston rod of the second oil cylinder is provided with a second clamping groove which is matched with the second clamping block to drive the swinging block to swing around the axis of the rotating shaft.
In a preferred embodiment of the present invention, the circumferential surface of the first platen is provided with a support mechanism, and the support mechanism is attached to the base.
After the technical scheme is adopted, when the device is used, two ends of the transmission shaft are respectively locked on the first flange plate and the second flange plate, and when the transmission shaft with different lengths is tested, the linear driving mechanism drives the sliding frame to move, so that the torque sensor and the first flange plate are close to or far away from the second flange plate, and the positioning of the transmission shaft is realized.
Drawings
Fig. 1 is a schematic structural view (partially shown in section) of the fatigue testing machine of the present invention.
Fig. 2 is a schematic top view of the fatigue testing machine according to the present invention (partially shown in cross-section, with the second bracket not shown).
Fig. 3 is a schematic structural diagram of the second bracket, the first oil cylinder and the second oil cylinder in the utility model.
Fig. 4 is a schematic view of a first structure of the supporting mechanism of the present invention cooperating with the flange.
Fig. 5 is a second structural diagram of the supporting mechanism of the present invention.
FIG. 6 is a schematic view of a slide rail, a slide block and an adjusting block of the present invention.
In the figure:
The second cylinder 27 has a first engaging groove 28
Second engaging groove 29 and first flange 31
First inclined surface 61 of slide block 60
Second inclined surface 72 first guide wheel 73
Fisheye bearing 80 outer ring 81
Screw 82 cylinder 90
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the embodiments.
Referring to fig. 1 to 6, the utility model provides an automobile transmission shaft fatigue testing machine, which comprises a base 10, wherein one end of the base 10 is provided with a torque sensing device, the other end of the base 10 is provided with a rotation driving device, two ends of a related transmission shaft (not shown in the figure, the structure of the related transmission shaft is the same as that of the transmission shaft related to CN 202420839U) are respectively provided with a connecting flange, one end of the torque sensing device is provided with a first flange 31, one end of the rotation driving device is provided with a second flange 32, a clamping space for clamping the transmission shaft is formed between the first flange 31 and the second flange 32, and during testing, the first flange 31 and the second flange 32 are respectively connected with the connecting flanges at the two ends of the transmission shaft. In the present invention, the torque sensing device includes a first mounting frame 41, a second mounting frame 42, a sliding frame 43, and a torque sensor 44, where the first mounting frame 41, the second mounting frame 42, and the sliding frame 43 are all disposed on a plate structure along a vertical direction, and the first mounting frame 41 and the second mounting frame 42 are fixed on the base 10, and the present invention further includes a first guide rail 45 and a second guide rail 46 disposed on the first mounting frame 41 and the second mounting frame 42, and the first guide rail 45 and the second guide rail 46 are disposed in parallel and along a horizontal direction. The sliding frame 43 is disposed between the first mounting frame 41 and the second mounting frame 42, the sliding frame 43 is slidably disposed on the first guide rail 45 and the second guide rail 46, the torque sensor 44 is mounted on the sliding frame 43, the first flange 31 is mounted on the torque sensor 44, a torque is applied to the torque sensor 44 through the first flange 31, the torque sensor 44 transmits a signal to a control system (not shown, using a conventional control system), and a linear driving mechanism for driving the sliding frame 43 to move in a horizontal direction is disposed on the first mounting frame 41.
In a preferred embodiment of the present invention, the linear driving mechanism is a driving cylinder 47, a cylinder body of the driving cylinder 47 is fixed on the first mounting frame 41, the cylinder body of the driving cylinder 47 is arranged along a horizontal direction, and a piston rod of the driving cylinder 47 is fixedly connected to the sliding frame 43. In the utility model, the linear driving mechanism is a conventional linear driving mechanism in the field of screw rods and the like.
As a preferable mode of the present invention, the rotation driving means includes a first bracket 21, a second bracket 22, a rotation shaft 20, a swing block 23, a first oil cylinder 26, and a second oil cylinder 27, the rotation shaft 20 is rotatably installed on the first bracket 21 and the second bracket 22, the rotation shaft 20 is provided in a horizontal direction, the swing block 23 is provided on the rotation shaft 20 in a manner of rotating in synchronization with the rotation shaft 20, the second flange 32 is mounted on the rotating shaft 20, the swinging block 23 is provided with a first clamping block 24 and a second clamping block 25 at two ends in the radial direction, the cylinder body of the first oil cylinder 26 is mounted on the second support 22, the piston rod of the first oil cylinder 26 is provided with a first clamping groove 28 which is matched with the first clamping block 24 to drive the swinging block 23 to swing around the axis of the rotating shaft 20, the cylinder body of the second oil cylinder 27 is mounted on the second support 22, and the piston rod of the second oil cylinder 27 is provided with a second clamping groove 29 which is matched with the second clamping block 25 to drive the swinging block 23 to swing around the axis of the rotating shaft 20. During operation, the first engaging groove 28 of the first cylinder 26 drives the first engaging block 24 to move up and down, the second engaging groove 29 of the second cylinder 27 drives the second engaging block 25 to move up and down, and the moving directions of the first engaging block 24 and the second engaging block 25 are opposite, so as to drive the swinging block 23 to swing up and down with a small amplitude, thereby realizing the twisting of the transmission shaft.
As a preferred embodiment of the present invention, a supporting mechanism is disposed on the circumferential surface of the first flange 31, the supporting mechanism is mounted on the base 10, and fig. 4 shows a supporting mechanism, which mainly includes a slide rail 50 and a slide block 60, the slide block 60 is provided with a rotatable first guide wheel 73 and a rotatable second guide wheel 74, and the circumferential surface of the first flange 31 is mounted on the wheel surfaces of the first guide wheel 73 and the second guide wheel 74.
In the utility model, the supporting mechanism of the fatigue testing machine is improved, and the supporting mechanism can be used in the fatigue testing machine of the application and can also be used in the fatigue testing machine introduced in the background of the application. The supporting mechanism comprises a base frame 53, wherein the base frame 53 is arranged on a base 10, a slide rail 50 arranged along the horizontal direction is arranged on the base frame 53, a slide block 60 capable of sliding on the slide rail 50 is arranged on the slide rail 50, the slide block 60 is matched with the slide rail 50 through a dovetail groove, a first inclined surface 61 is arranged on the slide block 60, an adjusting block 70 matched with the slide block 60 is arranged on the slide block 60, the adjusting block 70 is provided with a second inclined surface 72 matched with the first inclined surface 61, the second inclined surface 72 is parallel to the first inclined surface 61 and can slide on the first inclined surface 61, a first guide wheel 73 and a second guide wheel 74 are arranged on the adjusting block 70, the first guide wheel 73 and the second guide wheel 74 are rotatably arranged on the adjusting block 70, and the wheel surface of the first guide wheel 73 and the wheel surface of the second guide wheel 74 jointly form a supporting surface for supporting a flange. The utility model also comprises a power mechanism for driving the adjusting block 70 to slide on the first inclined surface 61, a guide rod 62 for driving the adjusting block 70 to slide on the sliding block 60 is arranged on the sliding block 60, the guide rod 62 is arranged along the horizontal direction, a guide groove 71 parallel to the first inclined surface 61 is arranged on the adjusting block 70, the guide groove 71 is in a strip shape, two ends of the guide groove form a closed end in the length direction, the guide rod 62 is arranged in the guide groove 71 in a penetrating manner, and the guide rod 62 acts on the closed end, so that the linkage of the sliding block 60 and the adjusting block 70 can be realized.
In a preferred embodiment of the present invention, the power mechanism includes an oil cylinder 90, a cylinder body of the oil cylinder 90 may be mounted on the second mounting bracket 42, for example, a fisheye bearing 80 is mounted at a distal end of a piston rod of the oil cylinder 90, the fisheye bearing 80 includes an outer ring 81, a rotator (not shown) disposed in the outer ring 81, and a screw 82 disposed on the outer ring 81, and the screw 82 is connected to the adjusting block 70. By adopting the fisheye bearing 80, the screw rod 82 can rotate universally to meet the requirements of lifting and sliding of the adjusting block 70.
In a preferred embodiment of the present invention, one end of the guide rod 62 is screwed to the slider 60, the other end thereof protrudes from the guide groove 71, and the end thereof is provided with a stopper washer 63 for restricting the adjustment block 70 from slipping off the guide rod 62, and the outer diameter of the stopper washer 63 is larger than the groove width of the guide groove 71.
As a preferred embodiment of the present invention, the slide rail 50 is provided with a plurality of limit screw holes 51, the limit screw holes 51 are arranged along the length direction of the slide rail 50, and the slide rail further includes a limit screw 52 which can be screwed into the limit screw hole 51 to limit the stroke of the slide block 60. When the shoe upper is used, the limiting screw 52 is screwed into one limiting screw hole 51, the sliding block 60 slides to the limiting screw 52 and stops sliding, at the moment, the oil cylinder drives the adjusting block 70 to continuously move, the second shoe upper slides on the first inclined surface 61, and the adjusting block 70 is lifted while sliding.
In a preferred embodiment of the present invention, the adjusting block 70 includes a first side plate 751, a second side plate 752, and a top plate 753 connecting an upper end of the first side plate 751 and an upper end of the second side plate 752, the first side plate 751, the second side plate 752, and the top plate 753 are formed in a shape of a door, and the second slope 72 is provided on a lower surface of the top plate 753. In a preferred embodiment of the present invention, the first guide wheel 73 is attached to the top plate 753 via a first support shaft 76, the second guide wheel 74 is attached to the top plate 753 via a second support shaft 77, and the first support shaft 76 and the second support shaft 77 are both horizontally disposed and are disposed in parallel.
The product form of the present invention is not limited to the embodiments, and any suitable changes or modifications of the similar ideas by anyone should be considered as not departing from the patent scope of the present invention.
Claims (4)
1. The utility model provides an automobile transmission shaft fatigue test machine, includes the base, and the one end of base is equipped with torque sensing device, and the other end of base is equipped with rotation drive arrangement, and torque sensing device's one end is equipped with first ring flange, and rotation drive arrangement's one end is equipped with the second ring flange, forms the centre gripping space that is used for the centre gripping transmission shaft between first ring flange and the second ring flange, its characterized in that: the torque sensing device comprises a first mounting frame, a second mounting frame, a sliding frame and a torque sensor, and further comprises a first guide rail and a second guide rail which are arranged on the first mounting frame and the second mounting frame, the sliding frame is arranged between the first mounting frame and the second mounting frame, the sliding frame is slidably arranged on the first guide rail and the second guide rail, the torque sensor is arranged on the sliding frame, a first flange plate is arranged on the torque sensor, and a linear driving mechanism used for driving the sliding frame to move along the horizontal direction is arranged on the first mounting frame.
2. The fatigue testing machine for the transmission shaft of the automobile according to claim 1, wherein: the linear driving mechanism is a driving oil cylinder, a cylinder body of the driving oil cylinder is fixed on the first mounting frame, the cylinder body of the driving oil cylinder is arranged along the horizontal direction, and a piston rod of the driving oil cylinder is fixedly connected with the sliding frame.
3. The fatigue testing machine for the transmission shaft of the automobile according to claim 2, wherein: the rotation driving device comprises a first support, a second support, a rotating shaft, a swing block, a first oil cylinder and a second oil cylinder, the rotating shaft is rotatably installed on the first support and the second support, the rotating shaft is arranged along the horizontal direction, the swing block is arranged on the rotating shaft in a mode of rotating synchronously with the rotating shaft, a second flange plate is installed on the rotating shaft, a first clamping block and a second clamping block are arranged at the two ends of the swing block along the radial direction, a cylinder body of the first oil cylinder is installed on the second support, a first clamping groove matched with the first clamping block to drive the swing block to swing around the axis of the rotating shaft is arranged on a piston rod of the first oil cylinder, a cylinder body of the second oil cylinder is installed on the second support, and a second clamping groove matched with the second clamping block to drive the swing block to swing around the axis of the rotating shaft is arranged on a piston rod of the second oil cylinder.
4. The fatigue testing machine for the transmission shaft of the automobile according to claim 3, wherein: the circumferential surface of the first drawing disc is provided with a supporting mechanism, and the supporting mechanism is installed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123086682.7U CN216717803U (en) | 2021-12-09 | 2021-12-09 | Automobile transmission shaft fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123086682.7U CN216717803U (en) | 2021-12-09 | 2021-12-09 | Automobile transmission shaft fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216717803U true CN216717803U (en) | 2022-06-10 |
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ID=81882925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123086682.7U Active CN216717803U (en) | 2021-12-09 | 2021-12-09 | Automobile transmission shaft fatigue testing machine |
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| Country | Link |
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| CN (1) | CN216717803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129212A (en) * | 2023-10-20 | 2023-11-28 | 重通成飞风电设备江苏有限公司 | Transmission mechanism testing device based on wind power generation equipment |
-
2021
- 2021-12-09 CN CN202123086682.7U patent/CN216717803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129212A (en) * | 2023-10-20 | 2023-11-28 | 重通成飞风电设备江苏有限公司 | Transmission mechanism testing device based on wind power generation equipment |
| CN117129212B (en) * | 2023-10-20 | 2023-12-22 | 重通成飞风电设备江苏有限公司 | Transmission mechanism testing device based on wind power generation equipment |
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