CN111337365B - Automobile stabilizer bar fatigue resistance testing device - Google Patents
Automobile stabilizer bar fatigue resistance testing device Download PDFInfo
- Publication number
- CN111337365B CN111337365B CN202010290673.0A CN202010290673A CN111337365B CN 111337365 B CN111337365 B CN 111337365B CN 202010290673 A CN202010290673 A CN 202010290673A CN 111337365 B CN111337365 B CN 111337365B
- Authority
- CN
- China
- Prior art keywords
- stabilizer bar
- welded
- ring
- lantern ring
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- 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
- G01M17/04—Suspension or damping
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a fatigue resistance testing device for an automobile stabilizer bar, which comprises a rotating motor, a movable plate and a fixed plate, wherein a lead screw is welded at the top end of an output shaft of the rotating motor, a first lantern ring is sleeved at one end of the lead screw, a second lantern ring is sleeved at the other end of the lead screw, the fixed plate is welded at one side of the first lantern ring, the movable plate is welded at one side of the second lantern ring, first hydraulic telescopic rods are respectively installed at the middle parts of the fixed plate and the movable plate, a first fixing ring is welded at the top end of the telescopic end of each first hydraulic telescopic rod, an installation seat is welded at the other side of the fixed plate, a second hydraulic telescopic rod is installed on the installation seat, a connecting rod is welded at the top end of the telescopic end of each second hydraulic telescopic rod, and a second fixing ring is welded at the bottom of the other end of the connecting rod. The stabilizer bar is fixed closer to the installation state in the actual condition, the stress direction of the stabilizer bar in the test is more comprehensive, the effect of simulating the actual driving condition is better, and the test result is more reliable.
Description
Technical Field
The invention relates to the technical field of automobile stabilizer bar testing, in particular to an automobile stabilizer bar fatigue resistance testing device.
Background
The stabilizer bar is an auxiliary elastic element in the automobile suspension, and can prevent the automobile body from generating excessive transverse rolling when turning, prevent the automobile from transversely overturning and improve the smoothness. Before leaving a factory or assembling a finished automobile, the comprehensive performance, especially the fatigue resistance, of the stabilizer bar is required to be tested so as to ensure the product technical performance of the stabilizer bar.
In actual automobile installation, two ends of the stabilizer bar are connected with an automobile, the rest parts are in a suspended state, the existing automobile stabilizer bar fatigue resistance testing device integrally places the stabilizer bar on a testing table for testing, the simulation effect is poor, and the testing result is not accurate enough; the existing automobile stabilizer bar fatigue resistance testing device can only test the fatigue resistance of the stabilizer bar by applying pressure to the stabilizer bar from the side surface, the stress direction is not comprehensive enough, the testing mode is too single, the existing automobile stabilizer bar fatigue resistance testing device can only test the stabilizer bar of the same type, and the application range is small.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a device for testing fatigue resistance of an automobile stabilizer bar.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a car stabilizer bar fatigue test device, includes rotating electrical machines, movable plate and fixed plate, the welding of the output shaft top of rotating electrical machines has the lead screw, the first lantern ring has been cup jointed to lead screw one end, the second lantern ring has been cup jointed to the lead screw other end, the welding of first lantern ring one side has the fixed plate, the welding of second lantern ring one side has the movable plate, the fixed block has all been welded to fixed plate and movable plate one side, the welding of fixed block one side has the installation axle, first hydraulic telescoping rod is all installed at fixed plate and movable plate middle part, the welding of the flexible end top of first hydraulic telescoping rod has first solid fixed ring, the welding of fixed plate opposite side has the mount pad, and installs the second hydraulic telescoping rod on the mount pad, the welding of the flexible end top of second hydraulic telescoping rod has the connecting rod, the welding of the other end bottom of connecting rod has the solid fixed ring of second.
Preferably, one end of the second sleeve on the surface of the screw rod where the second sleeve is located is provided with a positive thread, the inner wall of the second sleeve is provided with a negative thread, the positive thread is matched with the negative thread, and the second sleeve moves on the screw rod through the positive thread and the negative thread.
Preferably, the periphery of the connecting part of the screw rod and the first collar is welded with a convex ring, the convex ring is clamped into the inner wall of the first collar, and the convex ring is rotatably connected with the first collar.
Preferably, the surface of the mounting shaft is provided with threads, and the other end of the mounting shaft is connected with a nut through threads.
Preferably, the bottom of the moving plate is welded with a sliding block, the sliding block is located inside a sliding groove, the sliding groove is located in the middle of the bottom of the base, and the sliding block is connected with the sliding groove in a sliding mode.
Preferably, the rotating electrical machine is mounted on the top of the mounting seat, and the mounting seat is welded to one corner of the top of the base.
Preferably, the fixed plate bottom welds in the base top, first solid fixed ring and the solid fixed ring of second are the semicircle ring structure.
The invention has the beneficial effects that:
1. according to the invention, the two first hydraulic telescopic rods apply horizontal force to the stabilizer bar, and the second hydraulic telescopic rod applies vertical force to the stabilizer bar, so that the stress direction is more comprehensive, the effect of simulating the actual driving condition is better, and the test result is more reliable.
2. According to the invention, only two ends of the stabilizer bar are fixed on the mounting shaft, and the rest part is in a suspended state, so that the mounting state of the stabilizer bar in the actual situation is closer, and the test result is more accurate.
3. The lead screw is driven to rotate by the rotating motor, so that the second sleeve ring moves on the lead screw, the distance between the two mounting shafts can be changed, different types of stabilizer bars can be tested, and the application range is wide.
Drawings
FIG. 1 is a top view of a device for testing fatigue resistance of a stabilizer bar of an automobile according to the present invention;
FIG. 2 is a partial side view I of a device for testing fatigue resistance of a stabilizer bar of an automobile according to the present invention;
FIG. 3 is a partial side view of a fatigue resistance testing device for a stabilizer bar of an automobile according to the present invention;
fig. 4 is a cross-sectional view of a first collar of a device for testing fatigue resistance of an automotive stabilizer bar according to the present invention.
In the figure: 1. a first collar; 2. a screw rod; 3. a chute; 4. a second collar; 5. a rotating electric machine; 6. moving the plate; 7. a first retaining ring; 8. a first hydraulic telescopic rod; 9. a base; 10. a fixed block; 11. installing a shaft; 12. a second hydraulic telescopic rod; 13. a connecting rod; 14. a second retaining ring; 15. a convex ring; 16. a fixing plate; 17. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a fatigue resistance testing device for an automobile stabilizer bar comprises a rotating motor 5, a movable plate 6 and a fixed plate 16, a lead screw 2 is welded at the top end of an output shaft of the rotating motor 5, a first lantern ring 1 is sleeved at one end of the lead screw 2, a second lantern ring 4 is sleeved at the other end of the lead screw 2, the fixed plate 16 is welded at one side of the first lantern ring 1, the movable plate 6 is welded at one side of the second lantern ring 4, a fixed block 10 is welded at one side of the fixed plate 16 and one side of the movable plate 6, an installation shaft 11 is welded at one side of the fixed block 10, a first hydraulic telescopic rod 8 is installed at the middle parts of the fixed plate 16 and the movable plate 6, a first fixing ring 7 is welded at the top end of the telescopic end of the first hydraulic telescopic rod 8, a mounting seat is welded at the other side of the fixed plate 16, a second hydraulic telescopic rod 12 is installed on the mounting seat, a connecting rod 13 is welded at the top end of the telescopic end of the second hydraulic telescopic rod 12, and a second fixing ring 14 is welded at the bottom of the other end of the connecting rod 13.
In the invention, one end of the surface of the screw rod 2, where the second sleeve 4 is located, is provided with a positive thread, the inner wall of the second sleeve 4 is provided with a negative thread, the positive thread is matched with the negative thread, and the second sleeve 4 moves on the screw rod 2 through the positive and negative threads. The periphery of the connecting part of the screw rod 2 and the first lantern ring 1 is welded with the convex ring 15, the convex ring 15 is clamped into the inner wall of the first lantern ring 1, the convex ring 15 is rotatably connected with the first lantern ring 1, and the screw rod 2 can only rotate in the first lantern ring 1 and cannot generate transverse displacement. The 11 surfaces of installation axle are equipped with the screw thread, and the installation axle 11 other end has the nut through threaded connection, screws up the nut and fixes the stabilizer bar. The welding of movable plate 6 bottom has slider 17, and slider 17 is located inside the spout 3, and the spout 3 is located the middle part of base 9 bottom, slider 17 and spout 3 sliding connection. Rotating electrical machines 5 are installed on the mount pad top, and the mount pad welds in base 9 top one corner. The bottom of the fixing plate 16 is welded on the top of the base 9, and the first fixing ring 7 and the second fixing ring 14 are both semicircular ring structures.
The working principle is as follows: one end of the stabilizer bar penetrates through a mounting shaft 11 on a fixed plate 16, a nut is screwed to fix one end of the stabilizer bar, then a rotating motor 5 is started to drive a screw rod 2 to rotate, so that a second collar 4 moves on the screw rod 2, the moving distance of the second collar 4 is controlled according to the length of the stabilizer bar, the distance between two fixed blocks 10 is equal to the length of the stabilizer bar, the other end of the stabilizer bar penetrates through the mounting shaft 11 on a moving plate 66, and the nut is screwed to fix the other end of the stabilizer bar; two first hydraulic telescoping rods 8 are started to drive two first fixing rings 7 to move oppositely until the stabilizer bar is clamped on the left and right sides, a second hydraulic telescoping rod 12 is started to drive a second fixing ring 14 to descend until the upper side of the stabilizer bar is clamped, the running condition of the automobile is simulated, two first hydraulic telescoping rods 8 and the second hydraulic telescoping rod 12 are controlled to apply pressure to the stabilizer bar, and the fatigue resistance test is completed.
Having thus shown and described the basic principles and essential features of the invention and its advantages, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the embodiments be considered as illustrative and not restrictive in all respects, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein without any reference to the appended claims, any reference signs in the claims being thus intended to be construed as limiting the claims as they relate to.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a car stabilizer bar fatigue test device, includes rotating electrical machines (5), movable plate (6) and fixed plate (16), its characterized in that, the output shaft top welding of rotating electrical machines (5) has lead screw (2), first lantern ring (1) has been cup jointed to lead screw (2) one end, second lantern ring (4) has been cup jointed to the lead screw (2) other end, first lantern ring (1) one side welding has fixed plate (16), second lantern ring (4) one side welding has movable plate (6), fixed plate (16) and movable plate (6) one side all welding has fixed block (10), fixed block (10) one side welding has installation axle (11), the equal horizontal installation in fixed plate (16) and movable plate (6) middle part has first hydraulic telescoping rod (8), the flexible end top welding of first hydraulic telescoping rod (8) has first solid fixed ring (7), the welding of fixed plate (16) opposite side has the mount pad, and the vertical installation has second hydraulic telescoping rod (12) on the mount pad, the flexible end top horizontal installation of second hydraulic telescoping rod (12) has the horizontal connection pole (13), the other end welding has second hydraulic telescoping rod (14) to exert the vertical screw thread of second lantern ring (4), the fixed ring (12) of screw thread direction welding, the inner wall of the second lantern ring (4) is provided with reverse threads, the positive threads are matched with the reverse threads, and the second lantern ring (4) moves on the screw rod (2) through the positive threads and the negative threads.
2. The device for testing the fatigue resistance of the stabilizer bar of the automobile according to claim 1, wherein a convex ring (15) is welded on the periphery of the connecting part of the screw rod (2) and the first collar (1), the convex ring (15) is clamped into the inner wall of the first collar (1), and the convex ring (15) is rotatably connected with the first collar (1).
3. The device for testing fatigue resistance of the stabilizer bar of the automobile as claimed in claim 2, wherein the surface of the mounting shaft (11) is provided with a thread, and the other end of the mounting shaft (11) is connected with a nut through the thread.
4. The device for testing the fatigue resistance of the stabilizer bar of the automobile according to claim 3, wherein a sliding block (17) is welded at the bottom of the moving plate (6), the sliding block (17) is positioned inside the sliding groove (3), the sliding groove (3) is positioned in the middle of the bottom of the base (9), and the sliding block (17) is connected with the sliding groove (3) in a sliding manner.
5. The device for testing fatigue resistance of the stabilizer bar of the automobile according to claim 4, wherein the rotating electrical machine (5) is installed on the top of the mounting seat, and the mounting seat is welded on one corner of the top of the base (9).
6. The device for testing fatigue resistance of the stabilizer bar of the automobile according to claim 4, wherein the bottom of the fixing plate (16) is welded to the top of the base (9), and the first fixing ring (7) and the second fixing ring (14) are both semi-circular ring structures.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010290673.0A CN111337365B (en) | 2020-04-14 | 2020-04-14 | Automobile stabilizer bar fatigue resistance testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010290673.0A CN111337365B (en) | 2020-04-14 | 2020-04-14 | Automobile stabilizer bar fatigue resistance testing device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111337365A CN111337365A (en) | 2020-06-26 |
CN111337365B true CN111337365B (en) | 2023-01-10 |
Family
ID=71180846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010290673.0A Active CN111337365B (en) | 2020-04-14 | 2020-04-14 | Automobile stabilizer bar fatigue resistance testing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111337365B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002283824A (en) * | 2001-03-29 | 2002-10-03 | Mitsubishi Steel Mfg Co Ltd | Stabilizer for vehicle |
GB0322695D0 (en) * | 2002-10-16 | 2003-10-29 | Visteon Global Tech Inc | Gripped bushing system with alternating radial stiffness |
CN204373894U (en) * | 2014-12-22 | 2015-06-03 | 重庆红岩方大汽车悬架有限公司 | A kind of stabilizer bar endurance experimental provision |
CN105352830A (en) * | 2015-12-01 | 2016-02-24 | 重庆红岩方大汽车悬架有限公司 | Automobile-stabilizer-bar fatigue resistant test bench |
CN107228759A (en) * | 2017-05-31 | 2017-10-03 | 安庆市恒瑞达汽车零部件制造有限公司 | A kind of testing integrated machine of stabiliser bar fatigue scatter factor |
CN108918305A (en) * | 2018-08-23 | 2018-11-30 | 成都祥裕辉丰贸易有限公司 | A kind of automobile stabilizer bar fatigue experimental device |
CN110006638A (en) * | 2019-03-27 | 2019-07-12 | 北京汽车股份有限公司 | Stabiliser bar durable test stand |
CN209356338U (en) * | 2018-11-06 | 2019-09-06 | 宁波建新底盘系统有限公司 | Fore sub frame stabiliser bar fatigue experimental device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6418770B1 (en) * | 2000-12-08 | 2002-07-16 | Meritor Suspension Systems Company | Method for improving the fatigue life of a tubular stabilizer bar |
US20060243355A1 (en) * | 2005-04-29 | 2006-11-02 | Meritor Suspension System Company, U.S. | Stabilizer bar |
-
2020
- 2020-04-14 CN CN202010290673.0A patent/CN111337365B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002283824A (en) * | 2001-03-29 | 2002-10-03 | Mitsubishi Steel Mfg Co Ltd | Stabilizer for vehicle |
GB0322695D0 (en) * | 2002-10-16 | 2003-10-29 | Visteon Global Tech Inc | Gripped bushing system with alternating radial stiffness |
CN204373894U (en) * | 2014-12-22 | 2015-06-03 | 重庆红岩方大汽车悬架有限公司 | A kind of stabilizer bar endurance experimental provision |
CN105352830A (en) * | 2015-12-01 | 2016-02-24 | 重庆红岩方大汽车悬架有限公司 | Automobile-stabilizer-bar fatigue resistant test bench |
CN107228759A (en) * | 2017-05-31 | 2017-10-03 | 安庆市恒瑞达汽车零部件制造有限公司 | A kind of testing integrated machine of stabiliser bar fatigue scatter factor |
CN108918305A (en) * | 2018-08-23 | 2018-11-30 | 成都祥裕辉丰贸易有限公司 | A kind of automobile stabilizer bar fatigue experimental device |
CN209356338U (en) * | 2018-11-06 | 2019-09-06 | 宁波建新底盘系统有限公司 | Fore sub frame stabiliser bar fatigue experimental device |
CN110006638A (en) * | 2019-03-27 | 2019-07-12 | 北京汽车股份有限公司 | Stabiliser bar durable test stand |
Also Published As
Publication number | Publication date |
---|---|
CN111337365A (en) | 2020-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102190139B1 (en) | Load granting part, driving system, machine testing apparatus, power simulator and tire testing device | |
CN101696908B (en) | Device for testing performance of automotive steering system | |
CN105675425B (en) | A kind of wear test tooling of spherical hinge | |
CN104568575A (en) | Force-applying push rod device and multi-axial high-precision load loading machine | |
CN108195601B (en) | Bicycle frame reliability test device | |
CN102928220A (en) | Experimental device for comprehensively testing dynamic characteristics of linear feeding system | |
CN112362207A (en) | Motor torque testing device | |
CN103698099A (en) | Five-freedom-degree automobile seat vibration test table | |
CN104990694A (en) | Automobile steering track rod assembly and ball head pin test device | |
CN204142591U (en) | A kind of end tooth structure jogging fatigue experimental device | |
CN111337365B (en) | Automobile stabilizer bar fatigue resistance testing device | |
CN103522226B (en) | Universal floating mechanism | |
CN110954828A (en) | Motor bearing current damage simulation device capable of achieving bidirectional electric loading | |
CN107907322B (en) | Triaxial elastic bushing fatigue testing machine | |
CN109406083B (en) | Suspension string hardware wind excitation vibration abrasion simulation test platform | |
CN107305154B (en) | Torsion and shear combined loading test device for air spring | |
CN207944844U (en) | A kind of car power windows driving cog trochus | |
CN207675441U (en) | A kind of rear axle of electric automobile trial operation detection device | |
CN103673945B (en) | A kind of harmonic speed reducer output shaft loads jumps measuring apparatus with end | |
CN107314751B (en) | Friction lever transmission device | |
CN205879551U (en) | Damper test stand frame | |
CN207133056U (en) | Subframe fatigue test moment of flexure, torque cancellation element | |
CN208443584U (en) | Automotive transmission assembly fatigue life test stand | |
CN209117342U (en) | A kind of automobile driving axle durability test device | |
CN210293951U (en) | Road surface loading testing machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |