CN113484041A - Double-station endurance test device for automobile steering outer pull rod - Google Patents
Double-station endurance test device for automobile steering outer pull rod Download PDFInfo
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- CN113484041A CN113484041A CN202110787546.6A CN202110787546A CN113484041A CN 113484041 A CN113484041 A CN 113484041A CN 202110787546 A CN202110787546 A CN 202110787546A CN 113484041 A CN113484041 A CN 113484041A
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- servo motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses an automobile steering outer pull rod double-station endurance test device which comprises a test table board, wherein a servo linear cylinder loading system is arranged on one side of the test table board, a servo motor swinging system is arranged on the other side of the test table board, the servo linear cylinder loading system and the servo motor swinging system are arranged in a T shape, a servo motor rotating system is arranged above the servo motor swinging system, one end of an outer pull rod to be tested is assembled on a joint of the servo linear cylinder loading system, and the other end of the outer pull rod to be tested is connected with a ball head rotating assembly of the servo motor swinging system. The invention loads and runs independently in the test process without mutual interference; the three-degree-of-freedom durability test can be simultaneously carried out on the plurality of outer pull rods according to the use requirement, the whole equipment is energy-saving and environment-friendly, the occupied space is small, and the operation and maintenance cost of the equipment is low.
Description
Technical Field
The invention relates to an automobile steering pull rod testing device, in particular to an automobile steering outer pull rod double-station endurance testing device suitable for carrying out endurance testing on an automobile steering outer pull rod.
Background
The automobile steering pull rod is one of key safety parts of an automobile, and can ensure the stability of automobile operation, the smoothness, the comfort and the safety of driving and the correct and accurate driving direction of the automobile. The car often turns during driving, and the ball pin in the tie rod is prone to failure due to repeated impact force generated by the jolt on the ground, so that a reliable durability test must be performed.
In the existing automobile steering outer pull rod durability test bed, a loading system generally adopts hydraulic servo loading, a crank four-bar structure is adopted for swinging, and a servo motor is adopted for rotating, so that the durability test device of the outer pull rod has the problems of low precision, high noise, complex structure, high power consumption and the like. The use efficiency and the cost of a user are seriously influenced.
Disclosure of Invention
The invention aims to provide an automobile steering outer pull rod double-station endurance test device which is reasonable in structure and good in using effect.
The technical scheme of the invention is that the double-station endurance test device for the automobile steering outer tie rod comprises a test table board and is characterized in that: the test bench is characterized in that a servo linear cylinder loading system is arranged on one side of the test bench, a servo motor swinging system is arranged on the other side of the test bench, the servo linear cylinder loading system and the servo motor swinging system are arranged in a T shape, a servo motor rotating system is arranged above the servo motor swinging system, one end of an outer pull rod to be tested is assembled on a joint of the servo linear cylinder loading system, and the other end of the outer pull rod to be tested is connected with a ball head rotating assembly of the servo motor swinging system.
The servo linear cylinder loading system is structurally characterized in that: a servo motor support is arranged on the test table board, a servo motor is arranged on the servo motor support, a servo electric cylinder is driven by the servo motor, and a servo electric cylinder supporting seat is arranged below the servo electric cylinder.
The test table is provided with a slide way, the direction of the extension line of the slide way is vertical to the servo motor support, the bottom of the servo motor support is provided with a slide block matched with the slide way, and two sides of the servo motor support are provided with positioning devices.
The structure of the servo motor swing system is as follows: a frame-shaped swinging piece is arranged in the swinging support seat, swinging shafts are respectively arranged on two sides of the frame-shaped swinging piece and are rotationally connected with the swinging support seat, a speed reducer is arranged on one side of the swinging support seat and is driven by a swinging servo motor, and an output shaft of the speed reducer is fixedly connected with the swinging shafts; the middle part of the frame-shaped swinging piece is provided with a ball head rotating component.
The structure of the ball head rotating assembly is as follows: the inner cavity of the rotating seat is provided with a rotating shaft, the upper part of the rotating shaft is provided with a ball head seat, a conical rod is arranged in the ball head seat, the upper part of the conical rod is provided with a conical sleeve matched with the cavity of the ball head seat, the top of the conical rod is provided with a ball head, and the bottom of the conical rod is provided with a conical sleeve locking nut; the upper part of the rotating shaft is provided with a thrust bearing matched with the inner cavity of the rotating seat, the lower part of the rotating shaft is provided with a needle roller bearing matched with the inner cavity of the rotating seat, and the lower part of the rotating shaft is provided with a tapered roller bearing matched with the inner cavity of the rotating seat; a sealing cover is arranged at the bottom of the inner cavity of the rotating seat and sleeved on the rotating shaft for sealing the whole cavity, and the sealing cover is fixed by a locking nut; the bottom of the rotating shaft is provided with a synchronizing wheel.
The servo motor rotating system is structurally characterized in that a rotating heightening base is arranged above the swinging supporting base, a rotating base is arranged above the rotating heightening base, a speed reducer is arranged on the rotating base, the rotating servo motor drives the speed reducer, an output shaft of the speed reducer drives a first driving wheel below the rotating base, a steering intermediate shaft is arranged below the first driving wheel, a first driven wheel is arranged at the bottom of the steering intermediate shaft, and the first driven wheel is linked with a synchronous wheel through a transmission belt.
The swing supporting seat is arranged to be double-station and is provided with frame-shaped swing pieces, two adjacent frame-shaped swing pieces are fixedly connected through a connecting shaft, and a second ball head rotating assembly is arranged in the middle of the second frame-shaped swing piece.
The first driving wheel is linked with the second driving wheel through a belt, a steering intermediate shaft is arranged below the second driving wheel, a second driven wheel is arranged at the bottom of the steering intermediate shaft, and the second driven wheel is linked with a synchronizing wheel of the second ball head rotating assembly through a transmission belt.
The invention loads and runs independently in the test process without mutual interference; the three-degree-of-freedom durability test can be simultaneously carried out on the plurality of outer pull rods according to the use requirement, the three degrees of freedom and two stations are all driven by the servo motor, the energy is saved, the environment is protected, the occupied space is small, and the operation and maintenance cost of the equipment is low.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a schematic view of the structure of the rotating and swinging part of the present invention.
Fig. 4 is a schematic structural view of the ball pivot assembly according to the present invention.
Detailed Description
The embodiments are described in detail with reference to the accompanying drawings:
it should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the case of the example 1, the following examples are given,
the utility model provides an outer pull rod duplex position endurance test device of car steering, it includes test bench 5, one side on the test bench is equipped with servo linear cylinder loading system 1, the opposite side on the test bench is equipped with servo motor swing system 3, servo linear cylinder loading system and servo motor swing system are the T font and arrange, be equipped with servo motor rotating system 2 above servo motor swing system, the assembly of 6 one end of outer pull rod to be measured is on servo linear cylinder loading system's joint, the other end is connected with servo motor swing system's bulb rotating component 4.
The structure of the servo linear cylinder loading system described in this embodiment is: a servo motor support 12 is arranged on the test table board 5, a servo motor 11 is arranged on the servo motor support, a servo electric cylinder 13 is driven by the servo motor, and a servo electric cylinder support seat 15 is arranged below the servo electric cylinder.
The test bench of this embodiment open and to have slide 14, the direction perpendicular to servo motor support of slide extension line is equipped with the slider that matches with the slide in servo motor support's bottom, be equipped with positioner and be used for fixing a position servo motor support in servo motor support's both sides, the setting of slide and slider is convenient for adjust the relative position of servo motor support on the test bench to the outer pull rod test of adaptation different length.
The structure of the servo motor swing system described in this embodiment is: a frame-shaped swinging piece 34 is arranged in the swinging support seat 33, swinging shafts 35 are respectively arranged on two sides of the frame-shaped swinging piece, the swinging shafts are rotatably connected with the swinging support seat, a speed reducer 32 is arranged on one side of the swinging support seat and is driven by a swinging servo motor 31, and an output shaft of the speed reducer is fixedly connected with the swinging shafts; the middle part of the frame-shaped swinging piece is provided with a ball head rotating component 4.
The structure of the ball head rotating assembly described in this embodiment is: a rotating shaft 45 is assembled in the inner cavity of the rotating seat 46, a ball seat 43 is arranged at the upper part of the rotating shaft, a conical rod 53 is arranged in the ball seat, a conical sleeve 42 matched with the cavity of the ball seat is arranged at the upper part of the conical rod, a ball head 41 is arranged at the top of the conical rod, and a conical sleeve locking nut 44 is arranged at the bottom of the conical rod; a thrust bearing 47 matched with the inner cavity of the rotating seat is arranged at the upper part of the rotating shaft, a needle bearing 48 matched with the inner cavity of the rotating seat is arranged at the middle part of the rotating shaft, and a tapered roller bearing 49 matched with the inner cavity of the rotating seat is arranged at the lower part of the rotating shaft; a sealing cover 50 is arranged at the bottom of the inner cavity of the rotating seat, is sleeved on the rotating shaft and is used for sealing the whole cavity, and is fixed by a locking nut 51; a synchronizing wheel 52 is provided at the bottom of the rotating shaft.
The structure of the servo motor rotating system described in this embodiment is that a rotating heightening base 24 is arranged above the swing supporting seat, a rotating base 21 is arranged above the rotating heightening base, a speed reducer 28 is arranged on the rotating base, the rotating servo motor 21 drives the speed reducer, an output shaft of the speed reducer drives a first driving wheel 25 below the rotating base, a steering intermediate shaft 26 is arranged below the first driving wheel, a first driven wheel 27 is arranged at the bottom of the steering intermediate shaft, and the first driven wheel is linked with a synchronizing wheel 52 through a transmission belt 23.
In the case of the example 2, the following examples are given,
as shown in fig. 3, the present invention is further improved on the basis of embodiment 1, the swing support seat described in embodiment 1 can be set to double stations, and both are provided with frame-shaped swing members, two adjacent frame-shaped swing members are fixedly connected by a connecting shaft 39, and the middle of the second frame-shaped swing member 341 is provided with a second ball head rotating assembly 411; a first driving wheel 25 of the ball head rotating assembly is linked with a second driving wheel 251 through a belt 23, a steering intermediate shaft 26 is arranged below the second driving wheel, a second driven wheel 271 is arranged at the bottom of the steering intermediate shaft, and the second driven wheel is linked with a synchronous wheel of the second ball head rotating assembly through a transmission belt.
According to the invention, the servo linear cylinder loading system on the test bed is utilized to linearly and reciprocally stretch the outer pull rod, the servo motor swing system is utilized to perform swing test on the outer pull rod, and the servo motor rotating system is utilized to perform rotation test on the outer pull rod, so that the aim of simultaneously performing multiple working condition tests on the outer pull rod is fulfilled. The invention can be expanded to four stations according to the use requirement, and the invention effect of simultaneously testing a plurality of outer pull rods is further realized.
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. The utility model provides an automobile steering outer pull rod duplex position endurance test device, it includes test table, its characterized in that: the test bench is characterized in that a servo linear cylinder loading system is arranged on one side of the test bench, a servo motor swinging system is arranged on the other side of the test bench, the servo linear cylinder loading system and the servo motor swinging system are arranged in a T shape, a servo motor rotating system is arranged above the servo motor swinging system, one end of an outer pull rod to be tested is assembled on a joint of the servo linear cylinder loading system, and the other end of the outer pull rod to be tested is connected with a ball head rotating assembly of the servo motor swinging system.
2. The automobile steering outer tie rod double-station endurance test device according to claim 1, wherein: the servo linear cylinder loading system is structurally characterized in that: the test bed is provided with a servo motor support, the servo motor support is provided with a servo motor, the servo motor drives a servo electric cylinder, and a servo electric cylinder support seat is arranged below the servo electric cylinder.
3. The automobile steering outer tie rod double-station endurance test device according to claim 2, wherein: the test bed is provided with a slide way, the direction of the extension line of the slide way is vertical to the servo motor support, the bottom of the servo motor support is provided with a slide block matched with the slide way, and two sides of the servo motor support are provided with positioning devices.
4. The automobile steering outer tie rod double-station endurance test device according to claim 1, wherein: the structure of the servo motor swing system is as follows: a frame-shaped swinging piece is arranged in the swinging support seat, swinging shafts are respectively arranged on two sides of the frame-shaped swinging piece and are rotationally connected with the swinging support seat, a speed reducer is arranged on one side of the swinging support seat and is driven by a swinging servo motor, and an output shaft of the speed reducer is fixedly connected with the swinging shafts; the middle part of the frame-shaped swinging piece is provided with a ball head rotating component.
5. The automobile steering outer tie rod double-station endurance test device of claim 4, wherein: the structure of the ball head rotating assembly is as follows: the inner cavity of the rotating seat is provided with a rotating shaft, the upper part of the rotating shaft is provided with a ball head seat, a conical rod is arranged in the ball head seat, the upper part of the conical rod is provided with a conical sleeve matched with the cavity of the ball head seat, the top of the conical rod is provided with a ball head, and the bottom of the conical rod is provided with a conical sleeve locking nut; the upper part of the rotating shaft is provided with a thrust bearing matched with the inner cavity of the rotating seat, the lower part of the rotating shaft is provided with a needle roller bearing matched with the inner cavity of the rotating seat, and the lower part of the rotating shaft is provided with a tapered roller bearing matched with the inner cavity of the rotating seat; a sealing cover is arranged at the bottom of the inner cavity of the rotating seat and sleeved on the rotating shaft for sealing the whole cavity, and the sealing cover is fixed by a locking nut; the bottom of the rotating shaft is provided with a synchronizing wheel.
6. The automobile steering outer tie rod double-station endurance test device according to claim 1, wherein: the servo motor rotating system is structurally characterized in that a rotating heightening base is arranged above the swinging supporting base, a rotating base is arranged above the rotating heightening base, a speed reducer is arranged on the rotating base, the rotating servo motor drives the speed reducer, an output shaft of the speed reducer drives a first driving wheel below the rotating base, a steering intermediate shaft is arranged below the first driving wheel, a first driven wheel is arranged at the bottom of the steering intermediate shaft, and the first driven wheel is linked with a synchronous wheel through a transmission belt.
7. The automobile steering outer tie rod double-station endurance test device of claim 6, wherein: the swing supporting seat is arranged to be double-station and is provided with frame-shaped swing pieces, two adjacent frame-shaped swing pieces are fixedly connected through a connecting shaft, and a second ball head rotating assembly is arranged in the middle of the second frame-shaped swing piece.
8. The automobile steering outer tie rod double-station endurance test device of claim 6, wherein: the first driving wheel is linked with the second driving wheel through a belt, a steering intermediate shaft is arranged below the second driving wheel, a second driven wheel is arranged at the bottom of the steering intermediate shaft, and the second driven wheel is linked with a synchronizing wheel of the second ball head rotating assembly through a transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110787546.6A CN113484041A (en) | 2021-07-13 | 2021-07-13 | Double-station endurance test device for automobile steering outer pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110787546.6A CN113484041A (en) | 2021-07-13 | 2021-07-13 | Double-station endurance test device for automobile steering outer pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113484041A true CN113484041A (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110787546.6A Pending CN113484041A (en) | 2021-07-13 | 2021-07-13 | Double-station endurance test device for automobile steering outer pull rod |
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| Country | Link |
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| CN (1) | CN113484041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117516914A (en) * | 2024-01-08 | 2024-02-06 | 浙江锐泰悬挂系统科技有限公司 | Durability test stand |
| CN117516914B (en) * | 2024-01-08 | 2024-05-31 | 浙江锐泰悬挂系统科技有限公司 | Durability test stand |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607828A (en) * | 2012-02-22 | 2012-07-25 | 浙江大学台州研究院 | Automobile steering tie rod ball test stand |
| KR20150124290A (en) * | 2014-04-28 | 2015-11-05 | 주식회사 대동 | Apparatus for testing the endurance of Apparatus for Electronic Steering Column Lock |
| CN207114165U (en) * | 2017-08-24 | 2018-03-16 | 昆山威胜德检测设备有限公司 | A kind of automotive tie rod end high-low temperature endurance test machine |
| CN110763453A (en) * | 2019-11-21 | 2020-02-07 | 新乡艾迪威汽车科技有限公司 | Multifunctional test bed for detecting performance of automobile steering device |
-
2021
- 2021-07-13 CN CN202110787546.6A patent/CN113484041A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607828A (en) * | 2012-02-22 | 2012-07-25 | 浙江大学台州研究院 | Automobile steering tie rod ball test stand |
| KR20150124290A (en) * | 2014-04-28 | 2015-11-05 | 주식회사 대동 | Apparatus for testing the endurance of Apparatus for Electronic Steering Column Lock |
| CN207114165U (en) * | 2017-08-24 | 2018-03-16 | 昆山威胜德检测设备有限公司 | A kind of automotive tie rod end high-low temperature endurance test machine |
| CN110763453A (en) * | 2019-11-21 | 2020-02-07 | 新乡艾迪威汽车科技有限公司 | Multifunctional test bed for detecting performance of automobile steering device |
Non-Patent Citations (1)
| Title |
|---|
| 杨磊 等: "汽车转向球头拉杆耐磨持久试验台的开发", 《山东理工大学学报(自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117516914A (en) * | 2024-01-08 | 2024-02-06 | 浙江锐泰悬挂系统科技有限公司 | Durability test stand |
| CN117516914B (en) * | 2024-01-08 | 2024-05-31 | 浙江锐泰悬挂系统科技有限公司 | Durability test stand |
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