CN217211428U - Passenger car suspension stabilizer bar connecting rod ball round pin rotation moment test device - Google Patents
Passenger car suspension stabilizer bar connecting rod ball round pin rotation moment test device Download PDFInfo
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- CN217211428U CN217211428U CN202220236618.8U CN202220236618U CN217211428U CN 217211428 U CN217211428 U CN 217211428U CN 202220236618 U CN202220236618 U CN 202220236618U CN 217211428 U CN217211428 U CN 217211428U
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- connecting rod
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- ball pin
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Abstract
The utility model discloses a passenger car suspension stabilizer bar connecting rod ball pin rotation torque test device, which comprises a fixed base; the testing device is fixed on the universal mechanical testing machine; the test device is provided with a ball pin fixing cavity seat which fixes a ball pin at the end part of the stabilizer bar connecting rod. By adopting the technical scheme, the connection strength of the ball head of the automobile front stabilizer bar connecting rod and the rod body of the automobile front stabilizer bar connecting rod can be conveniently measured; other test beds are not required to be arranged, the installation and the operation are simple and convenient, and the test difficulty is greatly reduced; meanwhile, the test device is made of common materials, the process is simple, and the test device can be repeatedly used, so that the detection cost is reduced, and the test device can be popularized and applied in a large range.
Description
Technical Field
The utility model belongs to the technical field of automobile parts mechanical test. More specifically, the utility model relates to a passenger car suspension stabilizer bar connecting rod ball round pin rotation torque test device.
Background
The stabilizer bar connecting rod plays a role in reducing transverse roll of the vehicle in the whole vehicle, prevents the vehicle body from generating overlarge transverse roll when turning, reduces transverse tilt and transverse angle vibration of the vehicle body, and accordingly improves the running stability (smoothness) of the vehicle and key parts of the vehicle for improving the comfort. Generally, the stabilizer bar connecting rod and the shock absorber assembly are assembled together, and the whole assembly has more components; the verification of the measurement of the rotating moment of the ball pin of the connecting rod of the stabilizer bar is an important test for verifying the connecting bracket and the steering knuckle, and the stress intensity of the test can directly influence the service life of the shock absorber.
Common verification methods for the rotating torque of the connecting rod of the stabilizer bar generally comprise CAE analysis checking and road testing, and a real tool and test equipment for bench verification have few examples in public use. The existing verification method has the problems of high difficulty, high cost and complex operation.
The gantry verification period is long and the requirements are both high. The bench test is extremely needed, and the bench test can reflect the performance of the connecting rod ball pin of the suspension stabilizer bar of the passenger vehicle in the rotating moment test most truly.
In summary, the prior art has not yet provided a good solution for the stabilizer bar connecting rod ball pin rotation torque test.
SUMMERY OF THE UTILITY MODEL
The utility model provides a passenger car suspension stabilizer bar connecting rod ball round pin rotation torque test device, its purpose realizes stabilizer bar connecting rod rotation torque's bench test.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model discloses a passenger car suspension stabilizer bar connecting rod ball pin rotation torque test device, which comprises a fixed base; the testing device is fixed on the universal mechanical testing machine; the test device is provided with a ball pin fixing cavity seat, and the ball pin fixing cavity seat fixes a ball pin at the end part of the stabilizer bar connecting rod; the testing device is provided with a force value testing probe which is connected with the magnetic suction base through a magnetic base probe and a magnetic base fixing frame; the magnetic suction seat is fixed on the fixed base through magnetic force.
The testing device is connected with the universal mechanical testing machine through the square fixing frame and the fixing base.
The ball pin fixing cavity seat is provided with a round notch matched with the rod body of the stabilizer bar connecting rod.
The testing device is characterized in that an upper connecting plate and a lower connecting plate are arranged between the square fixing frame and the fixing base, and the upper connecting plate and the lower connecting plate are parallel to the fixing base; the upper connecting plate and the lower connecting plate are fixedly connected with the fixed base through a plurality of fixing bolts; the ball pin fixing cavity seat is arranged between the upper connecting plate and the lower connecting plate and the fixing base and is clamped by the upper connecting plate, the lower connecting plate and the fixing base.
The square fixing frame is fixedly connected with the upper connecting plate and the lower connecting plate through a square fixing frame connecting seat; one end of the square fixing frame connecting seat penetrates through the fixing holes of the upper connecting plate and the lower connecting plate and is connected by adopting a step structure; the other end of the connecting seat of the square fixing frame is of a bolt structure and is tightly connected with the square fixing frame through two locking nuts of the connecting seat.
By adopting the technical scheme, the automobile front stabilizer bar connecting rod test fixture is fixed on the detection platform of the universal testing machine, so that the connecting strength of the ball head of the automobile front stabilizer bar connecting rod and the rod body of the automobile front stabilizer bar connecting rod can be conveniently measured, and the defect that the automobile front stabilizer bar connecting rod cannot pass the bench test verification except the CAE and the road test verification is overcome; the whole set of test tool is of a fixed structure, other test tables do not need to be arranged, the installation and the operation are simple and convenient, and the test difficulty is greatly reduced; meanwhile, the test device is made of common materials, the process is simple, and the test device can be repeatedly used, so that the detection cost is reduced, and the test device can be popularized and applied in a large range.
Drawings
In the drawings and in which reference numerals are used to indicate the following, briefly described:
FIG. 1 is a schematic view of a test apparatus according to the present invention;
fig. 2 is a schematic view of the assembly combination of the testing device of the present invention.
Labeled as:
1. the device comprises a square fixing frame, 2, a connecting seat locking nut, 3, a magnetic seat probe, 4, a magnetic seat fixing frame, 5, a stabilizer bar connecting rod, 6, a fixing bolt, 7, a force value testing probe, 8, an upper connecting plate, a lower connecting plate, 9, a ball pin fixing cavity seat, 10, a fixing base, 11, a magnetic suction seat, 12, a locking screw hole, 13, a round notch, 14, a square fixing frame connecting seat, 15 and a signal wire.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention by those skilled in the art.
The length of a connecting rod of the front stabilizer bar is 285 +/-1 mm, threads are turned on the outer portion of the ball head screw, and the length of the threads is 24 mm; the test of stabilizer bar connecting rod mainly divide into rack and way examination. In addition to testing of the assembly, some critical components of the gantry alone will perform the relevant fatigue performance validation for failure.
The utility model discloses a structure as expressed in fig. 1, fig. 2 is a passenger car suspension stabilizer bar connecting rod ball round pin rotation torque test device, including unable adjustment base 10. In order to solve the problems existing in the prior art and overcome the defects thereof, the invention aims at realizing the bench test of the rotating moment of the connecting rod of the stabilizer bar, and the utility model discloses the technical scheme who takes is:
as shown in fig. 1 and 2, the utility model discloses a passenger car suspension stabilizer bar connecting rod ball round pin rotation torque test device, the test device fix on universal mechanics testing machine; the testing device is provided with a ball pin fixing cavity seat 9, and the ball pin fixing cavity seat 9 fixes a ball pin at the end part of the stabilizer bar connecting rod 5.
The automobile front stabilizer bar connecting rod test clamps are used in pairs and are respectively an upper clamp and a lower clamp for the automobile front stabilizer bar connecting rod test; the two automobile front stabilizer bar connecting rod test clamps are used for fixing two ball heads of an automobile front stabilizer bar connecting rod respectively; the locking pull rod of the upper clamp is fixed on an upper chuck of the universal testing machine, and the lower clamp is fixed on a working platform of the electronic universal testing machine.
The utility model discloses the form of changing into the frock replaces bumper shock absorber assembly spare to carry out the way examination, measures stabilizer bar connecting rod ball round pin rotation torque and both conveniently operates, practices thrift the cost again, and it is difficult, with high costs to have solved the verification method that suspension stabilizer bar connecting rod ball round pin rotation torque test device measured, operates complicated problem. The problem of car front stabilizer connecting rod bulb and pole body welding assembly at the originated rotational moment of normal atmospheric temperature and rotational moment measurement is solved, be used for detecting the car front stabilizer connecting rod and connect the originated rotational moment of normal atmospheric temperature and rotational moment measuring test device.
The utility model discloses a key point is verified through stabilizer bar connecting rod fixed station, unable adjustment base 10, ball round pin fixed cavity seat 9, fixing bolt 6, fixation nut, dynamometer fixed bolster (magnetic base mount 4), the mode of loading screw rod, not only can realize the load of load, the change of displacement, but also has solved stabilizer bar connecting rod ball round pin rotation moment rack and has measured inconvenient problem.
The utility model has the advantages that: the automobile front stabilizer bar connecting rod test fixture is used for fixing the automobile front stabilizer bar connecting rod on a detection platform of a universal testing machine, so that the connecting strength of a ball head of the automobile front stabilizer bar connecting rod and a rod body of the automobile front stabilizer bar connecting rod can be conveniently measured; the test selects common materials, the process is simple, and the test can be repeatedly used, so the detection cost is low, the utility model can be popularized in a large range, the design is ingenious, and the manufacturing cost is low; the testing device has the characteristics of simple design, simple and convenient installation, easy operation, low cost and the like.
The ball pin fixing cavity seat 9 is used for fixing a ball head of the automobile front stabilizer bar connecting rod 5; the shape of the fixing cavity of the ball pin fixing cavity seat 9 is matched with the appearance of the connecting rod ball head of the automobile front stabilizer bar. Therefore, the ball head is completely contacted with the fixing cavity without a gap; during testing, the ball head cannot impact the inner surface of the ball pin fixing cavity seat 9, the impact force during impact can break the welding joint of the ball head and the rod body, the actual tension value cannot be well measured, the rejection rate of the connecting rod of the automobile front stabilizer bar is increased during testing, and noise generated when the ball head impacts the inner surface of the fixing cavity can also interfere with a tester.
The testing device is connected with a universal mechanical testing machine through a square fixing frame 1 and a fixing base 10.
The whole of the square fixing frame 1 is a cuboid. The material of cuboid has obvious advantage in the processing location, because the appearance rule of cuboid, the location is convenient and accurate, no matter digit control machine tool or common machine tool, it is all easier when processing man-hour. The two clamping surfaces of the universal tester chuck are two parallel planes, so that the square-shaped object can be clamped easily.
The testing device is provided with a force value testing probe 7, and the force value testing probe 7 is connected with a magnetic suction seat 11 through a magnetic seat probe 3 and a magnetic seat fixing frame 4; the magnetic suction seat 11 is fixed on the fixed base 10 through magnetic force.
The force value test probe 7 is connected with a control system of the test device through a signal wire 15.
The ball pin fixing cavity seat 9 is provided with a round notch 13 matched with the rod body of the stabilizer bar connecting rod 5.
The ball pin fixing cavity seat 9 is divided into an upper ball pin fixing cavity seat and a lower ball pin fixing cavity seat. The joint surface is provided with a ball pin fixing cavity.
A circular notch 13 is formed in one side of the axis of the stepped through hole, and semicircular notches are formed in the joint surfaces of the upper ball pin fixing cavity seat and the lower ball pin fixing cavity seat; the upper and lower semicircular notches form circular notches 13. The semicircular notch and the stepped through hole are communicated to form a fixed cavity, and the opening direction of the semicircular notch is the same as that of the large end of the stepped through hole. The semicircular groove is designed for mounting the connecting rod of the automobile front stabilizer bar. During installation, a ball head of the automobile front stabilizer bar connecting rod is placed in the fixing cavity 9, and a rod body of the automobile front stabilizer bar connecting rod 5 can synchronously move with the ball head through a circular notch 13 formed by the two semicircular notches and extend out of the automobile front stabilizer bar connecting rod test fixture from the circular notch 13.
The width of the semicircular notch is the same as the rod diameter of the connecting rod of the automobile front stabilizer bar. The position of the semicircular groove top of the semicircular groove is determined according to a connecting point of the ball head and the rod body, after the ball head is required to be installed in place, the rod body is just contacted with the semicircular groove top of the semicircular groove, because the rod body of the automobile front stabilizer bar connecting rod is relatively slender, the rod body is ensured to be vertical by contacting with the semicircular groove top of the semicircular groove, only the rod body is kept vertical, the pulling force direction of the universal testing machine is consistent with the rod body direction, and the measured actual force value is accurate.
The main body of the ball pin fixing cavity seat 9 is a stepped through hole. Generally speaking, stabilizer bar connecting rod bulb just matches with a specific shoulder hole before the car of a motorcycle type, therefore not equidimension bulb need process the car of different fixed chambeies before stabilizer bar connecting rod test fixture, and the shape of ball round pin fixed chamber seat 9 is designed according to the shape of bulb, and the bulb bolt can stretch out outside the fixed chamber through the ladder through-hole.
In the test device, an upper connecting plate 8 and a lower connecting plate 8 are arranged between the square fixing frame 1 and the fixing base 10, and the upper connecting plate 8 and the lower connecting plate 8 are parallel to the fixing base 10; the upper connecting plate 8 and the lower connecting plate are fixedly connected with a fixed base 10 through a plurality of fixing bolts 6; the ball pin fixing cavity seat 9 is arranged between the upper and lower connecting plates 8 and the fixing base 10 and is clamped by the upper and lower connecting plates 8 and the fixing base 10.
The lower surface of a fixed base 10 in the main body is provided with a locking screw hole 12 with the diameter of 10mm and the depth of 20mm, and an upper connecting plate 8 and a lower connecting plate 8 at the upper section and a fixed base (10) at the lower end are fixed together through a plurality of locking screw holes 12 with the diameter of 15mm and are used for fixing the upper connecting plate 8 and the lower connecting plate 10 and the main body of the fixed base 10.
The center of the end surface of the upper connecting plate 8 and the center of the end surface of the lower connecting plate 8 are provided with locking screw holes 12, the locking screw holes 12 are communicated with the stepped through holes, and opposite ball pin fixing cavities of the locking screw holes 12 are provided with circular notches 13; the round notch 13 is connected with the ball pin fixing cavity seat 9;
the front end of a locking pull rod (a fixing bolt 6) is provided with a thread section, the locking pull rod is fixed at the end part of a fixing base 10 through a locking screw hole 12 at the end part of a fixing body, the semicircular groove opening and the locking screw hole 12 are positioned at two sides of a step through hole, and the locking screw hole 12 is communicated with a fixing cavity.
The bulb can be fixed to the locking pull rod, prevents that the bulb from rocking, and after car front stabilizer bar connecting rod bulb and pole body welded connection department fracture, the bulb also can not drop out, and universal tester cliies the locking pull rod, draws the locking pull rod, and the locking pull rod draws the bulb, and the locking pull rod has played the effect of transmission pull force. The body of the locking pull rod is ground into a square shape.
The square fixing frame 1 is fixedly connected with the upper and lower connecting plates 8 through a square fixing frame connecting seat 14; one end of the square fixing frame connecting seat 14 penetrates through the fixing holes of the upper and lower connecting plates 8 and is connected by adopting a step structure; the other end of the square fixing frame connecting seat 14 is of a bolt structure and is tightly connected with the square fixing frame 1 through two connecting seat locking nuts 2.
The whole square fixing frame 1 is a cuboid, and the size of the outer surface is 100mm multiplied by 100 mm; a step through hole is formed in the center of an end face perpendicular to the edge of the electronic universal testing machine, the diameter of the large end of the step through hole is 36mm, the length of the large end of the step through hole is 15mm, the diameter of the small end of the step through hole is 24mm, and the length of the small end of the step through hole is 35 mm. The material is 45 steel.
The utility model discloses a test method:
after 24H is placed at the zero position, the ball pin is rotated around the axis of the ball pin from the zero position for the first time, the required torque value non-rotation starting torque is recorded, 5 cycles are performed from the zero position within the range of +/-30 degrees of the axis of the ball pin, and the torque value non-rotation torque of the 5 th cycle is recorded.
The rotation starting force is less than or equal to 5 N.m, and the rotation moment is 0.5-1.5 N.m (the diameter of the ball pin is less than or equal to 20mm of the sample piece, and the ball pin larger than 20mm needs to be determined again).
During the experiment, the ball head of the stabilizer bar connecting rod 5 is horizontally placed in the ball pin fixing cavity seat 9, and the upper and lower connecting plates 8 and the stabilizer bar connecting rod 5 are fixed by the fixing bolt 6; the square fixing frame 1 is connected with a screw rod of the electronic universal testing machine and is locked by a connecting seat locking nut 2 and a fixing bolt 6.
During the use, install two bulbs of car front stabilizer bar connecting rod 5 respectively in two car front stabilizer bar connecting rod test fixture, the bulb is installed behind the fixed intracavity of ball round pin fixed chamber seat 9, with locking pull rod (fixing bolt 6) locking, thus, car front stabilizer bar connecting rod 5 and two car front stabilizer bar connecting rod test fixture just unite integratively, fix unable adjustment base 10 on universal machine work platform with the bolt, the fixed body of car front stabilizer bar connecting rod test fixture is pressed from both sides with universal machine's work platform, then start universal machine, the rotational moment of five times of cycles is recorded, assess according to the requirement of regulation.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (5)
1. The utility model provides a passenger car suspension stabilizer bar connecting rod ball round pin rotation torque test device, includes unable adjustment base (10), its characterized in that: the testing device is fixed on the universal mechanical testing machine; the testing device is provided with a ball pin fixing cavity seat (9), and the ball pin fixing cavity seat (9) fixes a ball pin at the end part of the stabilizer bar connecting rod (5); the testing device is provided with a force value testing probe (7), and the force value testing probe (7) is connected with the magnetic suction seat (11) through the magnetic seat probe (3) and the magnetic seat fixing frame (4); the magnetic suction seat (11) is fixed on the fixed base (10) through magnetic force.
2. The passenger car suspension stabilizer bar connecting rod ball pin rotation moment test device according to claim 1, characterized in that: the testing device is connected with a universal mechanical testing machine through a square fixing frame (1) and a fixing base (10).
3. The passenger car suspension stabilizer bar connecting rod ball pin rotation moment test device according to claim 1, characterized in that: the ball pin fixing cavity seat (9) is provided with a round notch (13) matched with the rod body of the stabilizer bar connecting rod (5).
4. The passenger vehicle suspension stabilizer link ball pin rotation torque test device of claim 2, characterized in that: the testing device is characterized in that an upper connecting plate and a lower connecting plate (8) are arranged between the square fixing frame (1) and the fixing base (10), and the upper connecting plate and the lower connecting plate (8) are parallel to the fixing base (10); the upper connecting plate and the lower connecting plate (8) are fixedly connected with a fixed base (10) through a plurality of fixing bolts (6); the ball pin fixing cavity seat (9) is arranged between the upper and lower connecting plates (8) and the fixing base (10) and is clamped by the upper and lower connecting plates (8) and the fixing base (10).
5. The passenger car suspension stabilizer bar connecting rod ball pin rotation moment test device according to claim 4, characterized in that: the square fixing frame (1) is fixedly connected with the upper connecting plate and the lower connecting plate (8) through a square fixing frame connecting seat (14); one end of the square fixing frame connecting seat (14) penetrates through the fixing holes of the upper and lower connecting plates (8) and is connected by adopting a step structure; the other end of the square fixing frame connecting seat (14) is of a bolt structure and is tightly connected with the square fixing frame (1) through two connecting seat locking nuts (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220236618.8U CN217211428U (en) | 2022-01-28 | 2022-01-28 | Passenger car suspension stabilizer bar connecting rod ball round pin rotation moment test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220236618.8U CN217211428U (en) | 2022-01-28 | 2022-01-28 | Passenger car suspension stabilizer bar connecting rod ball round pin rotation moment test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211428U true CN217211428U (en) | 2022-08-16 |
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ID=82794474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220236618.8U Active CN217211428U (en) | 2022-01-28 | 2022-01-28 | Passenger car suspension stabilizer bar connecting rod ball round pin rotation moment test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211428U (en) |
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2022
- 2022-01-28 CN CN202220236618.8U patent/CN217211428U/en active Active
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