CN210180673U - Durability test equipment for clutch boosting cylinder - Google Patents
Durability test equipment for clutch boosting cylinder Download PDFInfo
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- CN210180673U CN210180673U CN201921259295.9U CN201921259295U CN210180673U CN 210180673 U CN210180673 U CN 210180673U CN 201921259295 U CN201921259295 U CN 201921259295U CN 210180673 U CN210180673 U CN 210180673U
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- baffle
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- support frame
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Abstract
The utility model provides a clutch helping hand jar durability test equipment belongs to clutch helping hand jar test technical field. According to the durability test equipment for the clutch power cylinder, a support frame is provided with an intermediate shaft, the intermediate shaft is provided with a positioning component, the intermediate shaft is provided with a pre-tightening baffle, a first spring is arranged on the left side of the positioning component on the intermediate shaft, one end of the first spring contacts with the pre-tightening baffle, and the other end of the first spring can contact with the support frame; a limiting component is arranged on the supporting frame and is positioned on the left side of the pre-tightening baffle, a second spring and a position adjusting component are sequentially arranged on the middle shaft on the right side of the positioning component, one end of the second spring is in contact with the pre-tightening baffle, and the other end of the second spring is in contact with the position adjusting component; the clutch booster cylinder is detachably assembled on the support frame, and a force sensor and a displacement sensor are arranged between the right end of the intermediate shaft and the tail end of the push rod. The utility model has the advantages that: the actual working state of the clutch boosting cylinder can be simulated.
Description
Technical Field
The utility model relates to a clutch helping hand jar test technical field especially relates to a clutch helping hand jar durability test equipment.
Background
The power cylinder is used as a main component of an automobile clutch system, and a durability test is required to determine the stability and reliability of a product. The existing used durability test equipment provides relatively constant reaction force by the cylinder, has larger difference with the actual working condition and is too harsh to product verification.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clutch helping hand jar durability test equipment to simulate clutch helping hand jar's actual operating condition.
The utility model provides a durability test device for a clutch power cylinder, which comprises a support frame, an intermediate shaft, a pre-tightening baffle, a first spring, a second spring and the clutch power cylinder;
the support frame is provided with an intermediate shaft which can linearly reciprocate relative to the support frame;
a positioning component is arranged in the middle of the intermediate shaft, a pre-tightening baffle is arranged on the intermediate shaft, and the positioning component limits the linear reciprocating movement of the pre-tightening baffle on the right side of the positioning component;
a first spring is arranged on the middle shaft on the left side of the positioning component, one end of the first spring contacts the pre-tightening baffle, and the other end of the first spring contacts the support frame;
the middle shaft is provided with a support frame, the support frame is provided with a limit component, the limit component can linearly reciprocate relative to the support frame and can be positioned on the support frame, the limit component is positioned on the left side of the pre-tightening baffle, and when the middle shaft moves leftwards relative to the support frame, the limit component limits the displacement of the pre-tightening baffle moving leftwards;
a second spring and a position adjusting component are sequentially arranged on the middle shaft on the right side of the positioning component, the position adjusting component can linearly reciprocate relative to the middle shaft and can be positioned on the middle shaft, one end of the second spring is in contact with the pre-tightening baffle, and the other end of the second spring is in contact with the position adjusting component;
the elastic coefficient of the first spring is larger than that of the second spring;
the clutch power cylinder is detachably assembled on the support frame, and a force sensor and a displacement sensor are arranged between the right end of the intermediate shaft and the tail end of a push rod of the clutch power cylinder.
Furthermore, the jackshaft is the step shaft, locating component is the step of step shaft, and the left side of step is the major diameter section of jackshaft, and the right side of step is the path section of jackshaft, sets up the pilot hole on the pretension baffle, and the pretension baffle assembles in the minor diameter section of jackshaft through the pilot hole, and step restriction pretension baffle is at path section straight reciprocating motion.
Furthermore, the limiting component is a screw rod, the screw rod is assembled at the left end of the support frame, and when the intermediate shaft moves leftwards relative to the support frame, the right end of the screw rod blocks the displacement of the pre-tightening baffle moving leftwards.
Furthermore, a clamping terminal which can be contacted with the right end of the screw rod is arranged on the pre-tightening baffle.
Furthermore, the position adjusting component is a pre-tightening nut, and the pre-tightening nut is connected to the intermediate shaft in a threaded mode.
Further, the support frame includes preceding baffle, backplate and first bracing piece, and preceding baffle and backplate are as an organic whole through first bracing piece connection, baffle before the one end sliding connection of jackshaft, the other end sliding connection backplate of jackshaft, the other end of first spring can contact back baffle.
Furthermore, clutch servo cylinder durability test equipment still includes the assembly plate, preceding baffle is through second bracing piece connection assembly plate, demountable assembly clutch servo cylinder on the assembly plate.
Furthermore, an assembly hole is formed in the assembly plate, and the clutch power cylinder is connected with the assembly hole through a bolt.
Further, the assembly holes comprise a plurality of first assembly holes and a plurality of second assembly holes; connecting the clutch power cylinder with the first assembling hole through a bolt, and defining the position of the axis of a push rod of the clutch power cylinder as a first position; connecting the clutch power cylinder with a second assembling hole through a bolt, and defining the position of the axis of a push rod of the clutch power cylinder as a second position; the second position is offset relative to the first position.
Further, the force and displacement sensor comprises a force sensor and a displacement sensor, and the force sensor and the displacement sensor are integrated into a whole.
Compared with the prior art, the utility model discloses a clutch helping hand jar durability test equipment has following characteristics and advantage:
the durability test equipment for the clutch power cylinder of the utility model realizes the characteristic curve that the reaction force has different forces under the sectional displacement, and more conforms to the actual working state of the clutch power cylinder compared with the existing durability test equipment; the test equipment has a simple structure, is convenient to test and adjust, and improves the flexibility of test setting.
After reading the detailed description of the present invention in conjunction with the drawings, the features and advantages of the present invention will become more apparent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a durability testing apparatus of a clutch cylinder in an embodiment;
FIG. 2 is a right side view of the mounting plate of FIG. 1;
FIG. 3 is a graph showing the reaction force with displacement during the test of the durability test apparatus for a clutch cylinder in the embodiment.
Detailed Description
As shown in fig. 1 and 2, the present embodiment provides a durability test apparatus for a clutch cylinder, which includes a support frame, an intermediate shaft 3, a preload retainer 4, a first spring 51, a second spring 52, a clutch cylinder 2, and the like.
The support frame comprises a front baffle plate 11, a rear baffle plate 12 and first support rods 13, wherein the front baffle plate 11 and the rear baffle plate 12 are connected into a whole through the first support rods 13.
One end of the intermediate shaft 3 is connected with the front baffle 11 in a sliding mode, the other end of the intermediate shaft 3 is connected with the rear baffle 12 in a sliding mode, and the intermediate shaft 3 can move linearly and reciprocally relative to the support frame.
A positioning component is arranged at the middle position of the intermediate shaft 3, a pre-tightening baffle 4 is arranged on the intermediate shaft 3, and the positioning component limits the linear reciprocating movement of the pre-tightening baffle 4 on the right side of the positioning component. Specifically, jackshaft 3 in this embodiment is the step shaft, and locating component is the step of step shaft, and the left side of step is the major diameter section of jackshaft 3, and the right side of step is the minor diameter section of jackshaft 3, sets up the pilot hole on pretension baffle 4, and pretension baffle 4 assembles in the minor diameter section of jackshaft 3 through the pilot hole, and step restriction pretension baffle 4 is at minor diameter section straight reciprocating motion.
A first spring 51 is arranged on the left side of the step on the intermediate shaft 3, one end of the first spring 51 contacts the pre-tightening baffle 4, and the other end of the first spring 51 contacts the rear baffle 12 of the support frame.
The support frame is provided with a limiting component, the limiting component can linearly reciprocate relative to the support frame and can be positioned on the support frame, the limiting component is positioned on the left side of the pre-tightening baffle 4, and when the intermediate shaft 3 moves leftwards relative to the support frame, the limiting component limits the displacement of the pre-tightening baffle 4 moving leftwards. Specifically, the limiting component in this embodiment is a screw rod 5, the screw rod 5 is assembled on a rear baffle 12 at the left end of the support frame, and the pre-tightening baffle 4 is provided with a clamping terminal 41 capable of contacting with the right end of the screw rod 5. When the intermediate shaft 3 moves leftwards relative to the support frame for set displacement, the right end of the screw rod 5 contacts the clamping terminal 41, and the right end of the screw rod 5 blocks the pre-tightening baffle 4 to move leftwards continuously.
The second spring 52 and the position adjusting component are sequentially arranged on the right side of the step on the intermediate shaft 3, the position adjusting component can linearly reciprocate relative to the intermediate shaft 3 and can be positioned on the intermediate shaft 3, one end of the second spring 52 is in contact with the pre-tightening baffle 4, and the other end of the second spring 52 is in contact with the position adjusting component. Specifically, the positioning component in this embodiment is a pre-tightening nut 6, and the pre-tightening nut 6 is screwed to the intermediate shaft 3.
The first spring 51 is a heavy spring, the second spring 52 is a light spring, and the elastic coefficient of the first spring 51 is larger than that of the second spring 52.
The front baffle plate 11 is connected with an assembly plate 15 through a second support rod 14, and the clutch power cylinder 2 is detachably assembled on the assembly plate 15. Specifically, the mounting plate 15 is provided with a mounting hole, and the clutch cylinder 2 is connected to the mounting hole 151 through a bolt. As shown in fig. 2, in the present embodiment, the mounting holes include a plurality of first mounting holes 151a and a plurality of second mounting holes 151 b; connecting the clutch power cylinder 2 with the first assembling holes 151a through bolts, wherein the position of the axis of the push rod 21 of the clutch power cylinder 2 is defined as a first position, and the first position in fig. 2 is a circle center a formed by sharing a circle by four first assembling holes 151 a; the clutch power cylinder 2 is connected with the second assembling holes 151B through bolts, the position of the axis of the push rod 21 of the clutch power cylinder 2 is defined as a second position, and the second position in fig. 2 is a circle center B formed by the four second assembling holes 151B in a common circle; the second position is offset relative to the first position. The position of the adjusting bolt in the first assembling hole 151a or the position of the second assembling hole 151b can enable the push rod 21 of the clutch power cylinder 2 to be offset relative to the intermediate shaft 3, adjust the angle of the push rod 21 and match with the adjustment of the length of the intermediate shaft 3, so as to simulate the endurance test of the push rod 21 of the clutch power cylinder 2 at different angles and different positions.
A force and displacement sensor 7 is arranged between the right end of the intermediate shaft 3 and the end of the push rod 21 of the clutch cylinder 2. The force and displacement sensor 7 includes a force sensor and a displacement sensor, which are integrated.
The clutch boosting cylinder durability testing equipment of the embodiment comprises the following testing processes: adjusting a pre-tightening nut 6 to compress a second spring 52 and adjusting the right extension length of the screw rod 5 to realize the adjustment of the force mutation point; the second spring 52 is firstly compressed and pre-tightened through the pre-tightening nut 6 and the pre-tightening baffle 4, the push rod 21 of the clutch power cylinder 2 pushes the intermediate shaft 3 to move, the first spring 51 is firstly compressed due to the fact that the second spring 52 is pre-tightened, the pre-tightening baffle 4 moves along with the intermediate shaft 3 leftwards for a set displacement under the limiting effect of the lead screw 5, the first spring 51 is not compressed any more, the push rod 21 continuously pushes the intermediate shaft 3 to move leftwards, the second spring 52 is compressed, after the maximum displacement is achieved, the push rod 21 and the intermediate shaft 3 return, and the first spring 51 and the second spring 52 restore to the initial state. In the above process, the output force of the push rod 21 is changed according to the change of the displacement by the pressing force of the first spring 51 and the second spring 52, and the change of the force and the displacement is recorded by the force and displacement sensor 7. The reaction force during the test varied with displacement as shown in fig. 3. The displacement corresponding to the inflection point of the curve in fig. 3 corresponds to the displacement of the screw 5 for limiting the leftward movement of the pre-tightening baffle 4.
The durability test equipment for the clutch power cylinder of the embodiment realizes the characteristic curve that the reaction force has different forces under sectional displacement, and better conforms to the actual working state of the clutch power cylinder 2 compared with the conventional durability test equipment; the test equipment has a simple structure, is convenient to test and adjust, and improves the flexibility of test setting.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a clutch helping hand jar durability test equipment which characterized in that: the device comprises a support frame, an intermediate shaft, a pre-tightening baffle, a first spring, a second spring and a clutch power cylinder;
the support frame is provided with an intermediate shaft which can linearly reciprocate relative to the support frame;
a positioning component is arranged in the middle of the intermediate shaft, a pre-tightening baffle is arranged on the intermediate shaft, and the positioning component limits the linear reciprocating movement of the pre-tightening baffle on the right side of the positioning component;
a first spring is arranged on the middle shaft on the left side of the positioning component, one end of the first spring contacts the pre-tightening baffle, and the other end of the first spring contacts the support frame;
the middle shaft is provided with a support frame, the support frame is provided with a limit component, the limit component can linearly reciprocate relative to the support frame and can be positioned on the support frame, the limit component is positioned on the left side of the pre-tightening baffle, and when the middle shaft moves leftwards relative to the support frame, the limit component limits the displacement of the pre-tightening baffle moving leftwards;
a second spring and a position adjusting component are sequentially arranged on the middle shaft on the right side of the positioning component, the position adjusting component can linearly reciprocate relative to the middle shaft and can be positioned on the middle shaft, one end of the second spring is in contact with the pre-tightening baffle, and the other end of the second spring is in contact with the position adjusting component;
the elastic coefficient of the first spring is larger than that of the second spring;
the clutch power cylinder is detachably assembled on the support frame, and a force sensor and a displacement sensor are arranged between the right end of the intermediate shaft and the tail end of a push rod of the clutch power cylinder.
2. The clutch cylinder durability testing apparatus according to claim 1, characterized in that: the jackshaft is the step shaft, locating component is the step of step shaft, and the left side of step is the major diameter section of jackshaft, and the right side of step is the path section of jackshaft, sets up the pilot hole on the pretension baffle, and the pretension baffle assembles in the minor diameter section of jackshaft through the pilot hole, and step restriction pretension baffle is at path section straight reciprocating motion.
3. The clutch cylinder durability testing apparatus according to claim 1, characterized in that: the limiting component is a screw rod, the screw rod is assembled at the left end of the support frame, and when the intermediate shaft moves leftwards relative to the support frame, the right end of the screw rod blocks the displacement of the pre-tightening baffle moving leftwards.
4. The clutch cylinder durability testing apparatus according to claim 3, characterized in that: the pre-tightening baffle is provided with a clamping terminal which can be contacted with the right end of the screw rod.
5. The clutch cylinder durability testing apparatus according to claim 1, characterized in that: the position adjusting component is a pre-tightening nut, and the pre-tightening nut is connected to the intermediate shaft in a threaded mode.
6. The clutch cylinder durability testing apparatus according to claim 1, characterized in that: the support frame includes preceding baffle, backplate and first bracing piece, and preceding baffle and backplate are as an organic whole through first bracing piece connection, baffle before the one end sliding connection of jackshaft, the other end sliding connection backplate of jackshaft, the other end of first spring can contact the backplate.
7. The clutch cylinder durability testing apparatus according to claim 6, characterized in that: the durability test equipment for the clutch power cylinder further comprises an assembling plate, the front baffle is connected with the assembling plate through a second supporting rod, and the clutch power cylinder is detachably assembled on the assembling plate.
8. The clutch cylinder durability testing apparatus according to claim 7, characterized in that: the assembling plate is provided with assembling holes, and the clutch power cylinder is connected with the assembling holes through bolts.
9. The clutch cylinder durability testing apparatus according to claim 8, characterized in that: the assembly holes comprise a plurality of first assembly holes and a plurality of second assembly holes; connecting the clutch power cylinder with the first assembling hole through a bolt, and defining the position of the axis of a push rod of the clutch power cylinder as a first position; connecting the clutch power cylinder with a second assembling hole through a bolt, and defining the position of the axis of a push rod of the clutch power cylinder as a second position; the second position is offset relative to the first position.
10. The clutch cylinder durability testing apparatus according to claim 1, characterized in that: the force and displacement sensor comprises a force sensor and a displacement sensor which are integrated into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921259295.9U CN210180673U (en) | 2019-08-06 | 2019-08-06 | Durability test equipment for clutch boosting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921259295.9U CN210180673U (en) | 2019-08-06 | 2019-08-06 | Durability test equipment for clutch boosting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210180673U true CN210180673U (en) | 2020-03-24 |
Family
ID=69841933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921259295.9U Active CN210180673U (en) | 2019-08-06 | 2019-08-06 | Durability test equipment for clutch boosting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210180673U (en) |
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2019
- 2019-08-06 CN CN201921259295.9U patent/CN210180673U/en active Active
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Address after: No. 917, Weihe Road, Huangdao District, Qingdao City, Shandong Province 266510 Patentee after: ZF commercial vehicle systems (Qingdao) Co.,Ltd. Address before: No. 917, Weihe Road, Huangdao District, Qingdao City, Shandong Province 266510 Patentee before: Wabco (China) Co.,Ltd. |