CN218098299U - Shock absorber thrust bearing testing device - Google Patents
Shock absorber thrust bearing testing device Download PDFInfo
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- CN218098299U CN218098299U CN202222633177.8U CN202222633177U CN218098299U CN 218098299 U CN218098299 U CN 218098299U CN 202222633177 U CN202222633177 U CN 202222633177U CN 218098299 U CN218098299 U CN 218098299U
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Abstract
Shock absorber thrust bearing testing arrangement, including workstation, the platform of turning round pendulum, the actuating mechanism of turning round pendulum and pushing down the mechanism, the platform of turning round pendulum actuating mechanism with pushing down the mechanism setting and being in on the workstation, the platform of turning round pendulum is used for holding puts the bearing that awaits measuring, the actuating mechanism of turning round pendulum is used for the drive the reciprocal rotation of the platform of turning round pendulum, pushing down the mechanism and being used for the cooperation the platform of turning round pendulum tightly is located thrust bearing on the platform of turning round pendulum and applys axial load to it. The utility model discloses a turn round pendulum actuating mechanism push down actuating mechanism, can be right turn round the bearing that awaits measuring on the pendulum platform body and carry out moment of torsion and durable test simultaneously, the cooperation can be predetermine to moment of torsion, turn round pendulum angle scope, axial load, turn round pendulum frequency to make simulation test operating mode press close to or the same with operating condition, easy operation, the test is accurate, and work efficiency is high, is worth using widely in this field.
Description
Technical Field
The utility model relates to a mechanical test frock technical field specifically is bumper shock absorber thrust bearing testing arrangement.
Background
Thrust bearings, also known as thrust bearings, are specialized bearings designed to exclusively receive axial forces in a direction parallel to the shaft. Thrust bearing is vital in the bumper shock absorber structure, and in the vehicle driving process, if thrust bearing appears damaging, can appear abnormal sound, part intensification generate heat, vibration even the scheduling problem out of control, seriously influence driving safety. Therefore, for the thrust bearing, the product must pass necessary qualified tests before being shipped out. Although there is comparatively commonality's test tool to test thrust bearing at present, this type of instrument often simple structure, and the function is single, all adopts anchor clamps simulation to carry out to thrust bearing's boundary condition, fixed mode, loading mode, and its test condition and operating condition have certain difference, influence thrust bearing's test result.
Disclosure of Invention
The utility model discloses a technique aim at provides bumper shock absorber thrust bearing testing arrangement, solves the simple and crude, the function singleness of structure, the not accurate problem of test that exist among the prior art.
The utility model discloses a concrete technical scheme as follows: shock absorber thrust bearing testing arrangement, including workstation, the platform of turning round pendulum, the actuating mechanism of turning round pendulum and pushing down the mechanism, the platform of turning round pendulum actuating mechanism with pushing down the mechanism setting and being in on the workstation, the platform of turning round pendulum is used for holding puts the bearing that awaits measuring, the actuating mechanism of turning round pendulum is used for the drive the reciprocal rotation of the platform of turning round pendulum, pushing down the mechanism and being used for the cooperation the platform of turning round pendulum tightly is located thrust bearing on the platform of turning round pendulum and applys axial load to it.
As preferred, a main scheme is that the pendulum driving mechanism of turning includes driving motor, rotation wheel, first linkage bearing, second linkage bearing, first connecting rod and second connecting rod, driving motor fixed connection be in on the workstation, the rotation wheel with driving motor connects and drives by it and rotates, the bearing pin fixed connection of first linkage bearing is in on the bottom surface of rotation wheel, the one end of first connecting rod with first linkage bearing fixed connection and the other end with second linkage bearing fixed connection, the one end of second connecting rod with turn round pendulum platform fixed connection and the other end with the bearing pin fixed connection of second linkage bearing.
Preferably, the torsional pendulum driving mechanism includes a driving motor, a rotating wheel, a first linkage bearing, a second linkage bearing, a first connecting rod, a second connecting rod and a displacement assembly, the driving motor is fixedly connected to the worktable, the rotating wheel is connected to the driving motor and is driven by the driving motor to rotate, a bearing pin of the first linkage bearing is fixedly connected to the displacement assembly, the displacement assembly is arranged on the rotating wheel and is used for moving or fixing the rotating wheel on the bottom surface, one end of the first connecting rod is fixedly connected to the first linkage bearing, the other end of the first connecting rod is fixedly connected to the second linkage bearing, one end of the second connecting rod is fixedly connected to the torsional pendulum platform, and the other end of the second connecting rod is fixedly connected to the bearing pin of the second linkage bearing.
Preferably, the displacement assembly includes an adjusting screw, a displacement block and a fixed end block, the rotating wheel is provided with a displacement chute or an independent component with a displacement chute, the displacement block is slidably connected in the displacement chute and is simultaneously screwed on the threaded section of the adjusting screw, one end or both ends of the adjusting screw are rotatably connected with the fixed end block, and the fixed end block is an independent component fixedly connected to the rotating wheel or is integrally formed on a part of the rotating wheel.
Preferably, the displacement assembly further comprises a locking piece, a locking matching portion matched with the locking piece is arranged on the rotating wheel, and the displacement block is fixed with the rotating wheel through locking and unlocking actions of the locking piece and the locking matching portion.
Preferably, the locking piece comprises a bolt, the locking matching part comprises a limiting groove or a limiting screw hole, and the displacement block is provided with a screw hole or an insertion hole.
Preferably, the torsional pendulum platform comprises a bearing seat, a main shaft and a die holder, the bearing seat is fixedly connected to the workbench, the main shaft is connected to the bearing seat, the die holder is connected to the top of the main shaft, and the main shaft or the die holder is connected to the torsional pendulum driving mechanism.
Preferably, the torsional pendulum platform includes turned angle scale, the turned angle scale sets up the surface of workstation or set up the surface at an independent part, the main shaft and/or be equipped with on the die holder with turned angle scale complex scale indicating part.
Preferably, the pressing mechanism comprises a mounting frame, a pressing driving element and a pressing die, the pressing driving element is fixedly connected to the mounting frame, the pressing die is fixedly connected with the pressing driving element, and the pressing die is located above the torsional pendulum platform and used for matching the torsional pendulum platform to tightly fix the bearing to be tested.
Preferably, the moulding-die includes pressure head, torque sensor and/or axial load sensor, the pressure head is located the torsional pendulum platform top and be used for the cooperation the torsional pendulum platform tightly decides the bearing that awaits measuring, torque sensor is used for detecting the moment of torsion that the bearing that awaits measuring receives, axial load sensor is used for detecting the axial load that the bearing that awaits measuring receives.
The technical advantages of the utility model reside in that testing arrangement passes through turn round pendulum actuating mechanism push down actuating mechanism, can be right turn round the bearing that awaits measuring on the pendulum platform body and carry out moment of torsion and durable test simultaneously, the cooperation can be predetermine to moment of torsion, turn round pendulum angle scope, axial load, turn round pendulum frequency to make simulation test operating mode press close to or the same with the operating condition, easy operation, the test is accurate, and work efficiency is high, is worth using widely in this field.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of an embodiment of the present invention;
the names of the parts corresponding to the numbers in the figure are respectively: 1-a workbench, 2-a mounting frame body, a 1-a driving motor, a 2-a rotating wheel, a 3-a first linkage bearing, a 4-a second linkage bearing, a 5-a first connecting rod, a 6-a second connecting rod, a 7-an adjusting screw rod, a 8-a displacement block, a 9-a fixed end block, a 10-a locking piece, a 11-a locking matching part, b 1-a bearing seat, b 2-a spindle, b 3-a die holder, b 4-a rotating angle scale, c 1-a mounting frame, c 2-a pressing driving element, c 3-a pressing head, c 4-a torque sensor and c 5-an axial load sensor.
Detailed Description
The invention will be further explained by means of specific embodiments with reference to the drawings, in which:
the first embodiment is as follows: the utility model provides a bumper shock absorber thrust bearing testing arrangement, includes workstation 1, the platform of turning round pendulum, turns round pendulum actuating mechanism and pushes down the mechanism, turns round pendulum platform, turns round pendulum actuating mechanism and pushes down the mechanism setting on workstation 1, turns round the pendulum platform and is used for holding the bearing that awaits measuring, turns round pendulum actuating mechanism and is used for driving the reciprocal rotation of the platform of turning round pendulum, pushes down the mechanism and is used for coordinating to turn round the pendulum platform and tightly to be positioned the thrust bearing on the platform of turning round pendulum and exert axial load to it.
Further, the torsional pendulum driving mechanism comprises a driving motor a1, a rotating wheel a2, a first linkage bearing a3, a second linkage bearing a4, a first connecting rod a5 and a second connecting rod a6, wherein the driving motor a1 is fixedly connected to the lower panel of the workbench 1, the driving motor a1 is a speed regulating motor, and the rotating wheel a2 is connected with an output shaft of the driving motor a 1; a bearing pin is fixedly connected with a non-bottom surface center selected from the bottom surface of the rotating wheel a2, namely the bearing pin is connected with the first linkage bearing a3, and the projection point of the first linkage bearing a3 on the bottom surface of the rotating wheel a2 is correspondingly eccentric; one end of the first connecting rod a5 is fixedly connected with the first linkage bearing a3, the other end of the first connecting rod a5 is fixedly connected with the second linkage bearing a4, one end of the second connecting rod a6 is fixedly connected with the torsional pendulum platform, the other end of the second connecting rod a6 is fixedly connected with another bearing pin, and the other bearing pin is connected with the second linkage bearing a 4. Through the arrangement, when the rotating wheel a2 is driven to rotate by the driving motor a1, the first linkage bearing a3 is equivalent to the rotating wheel a2 to do eccentric rotation motion, the first connecting rod a5 transmits the eccentric rotation motion of the first linkage bearing a3 to the second linkage bearing a3, the second linkage bearing a3 does reciprocating torsional pendulum motion with a certain rotating angle, the second connecting rod a6 transmits the reciprocating torsional pendulum motion of the second linkage bearing a3 to the torsional pendulum platform, and the torsional pendulum platform also does reciprocating torsional pendulum motion with a certain rotating angle range, namely, the bearing to be tested on the torsional pendulum platform also does reciprocating torsional pendulum motion with a certain rotating angle range. Depending on the eccentric position of (the bearing pin of) the first interlocking bearing a3 with respect to the bottom surface of the rotating wheel a2, the corresponding aforementioned range of rotation angles will also follow.
Further, the torsional pendulum platform includes bearing frame b1, main shaft b2 and die holder b3, bearing frame b1 fixed connection is on workstation 1, main shaft b2 is connected on bearing frame b1, die holder b3 is connected at main shaft b 2's top, main shaft b 2's top can set up enough levels wide with steady fixed die holder b3, main shaft b 2's side and the one end fixed connection of torsional pendulum actuating mechanism's second connecting rod a6, second connecting rod a6 via first linkage bearing a3, first connecting rod a5, the reciprocal pendulum of twisting of second linkage bearing a 4's transmission effect, thereby drive the reciprocal pendulum of twisting of main shaft b 2. Still be equipped with turned angle scale b4 on the surface of workstation 1, be equipped with scale indicating part on the side of main shaft b2, can be a vertical instruction line or instruction groove, and main shaft b2 is when receiving the reciprocal pendulum of turning round of second connecting rod a6 drive, and scale indicating part points to corresponding turned angle scale b4 in real time, and in this embodiment, main shaft b2 is to make a round trip the swing angle preset to 40 degrees. Of course, the rotation angle scale b4 may also be provided on the surface of a separate component, such as an annular plate cooperating with the spindle b2, which is fixedly connected to the table 1; the scale indication part can also be selectively arranged on the die holder b 3.
The mechanism pushes down includes mounting bracket c1, pushes down drive element c2 and moulding-die, pushes down drive element c2 fixed connection on mounting bracket c1, moulding-die and the drive element fixed connection that pushes down, the moulding-die is located the top of torsion pendulum platform and is used for cooperating the torsion pendulum platform tightly to decide the bearing that awaits measuring. The pressing driving element c2 is selected from a cylinder, and the pressing die is fixedly connected to an output shaft of the pressing driving element. Further, the pressing die comprises a pressing head c3, a torque sensor c4 and an axial load sensor c5, the pressing head c3 is located above the torsional pendulum platform and used for being matched with the torsional pendulum platform to tightly fix the bearing to be tested, a circular groove part matched with the outer ring of the bearing to be tested can be arranged on the pressing head c3, a cylindrical part matched with the inner ring of the bearing to be tested can be arranged on the die holder b3, and the cylindrical part and the inner ring are matched to position and press the bearing to be tested; the torque sensor c4 is used for detecting the torque borne by the bearing to be detected, and a pressure-tension sensor can be selected; the axial load sensor c5 is used for detecting the axial load borne by the bearing to be detected, and a weighing sensor can be selected; two sensors may be connected to the ram c3 and simultaneously to the output shaft of the cylinder.
Furthermore, this testing arrangement can also set up installation support body and control panel, and workstation 1, control panel all can install on the installation support body, and control panel can realize controlling like the monitoring of driving motor a1, push down driving element c2, torque sensor c4, axial load sensor c5 etc. with the mode of button or touch-control.
Example two: the present embodiment differs from the first embodiment in that the torsional pendulum driving mechanism includes a displacement assembly in addition to the parts mentioned in the first embodiment. Accordingly, the bearing pin of the first linkage bearing a3 is fixedly connected with the displacement assembly, the displacement assembly is arranged on the rotating wheel a2 and is used for moving or fixing on the bottom surface of the rotating wheel a2, and the displacement assembly also has an eccentric connection part relative to the rotating wheel a2 to be fixedly connected with the bearing pin of the first linkage bearing a 3.
Further, the displacement assembly comprises an adjusting screw rod a7, a displacement block a8 and a fixed end block a9, a linear displacement chute a10 is arranged on the rotating wheel a2, and the displacement chute a10 in the embodiment is equivalent to a channel with the central line being the diameter of the bottom surface of the rotating wheel a 2; the displacement block a8 is slidably connected in the displacement chute a10 and is simultaneously screwed on the threaded section of the adjusting screw a7, two ends of the adjusting screw a7 are rotatably connected with the fixed end block a9, the fixed end block a9 is an independent component fixedly connected to the side surface of the rotating wheel a2, and the end part of the adjusting screw a7 is provided with a nut part. As long as the adjusting screw rod a7 is rotated, the displacement block a8 can move on the adjusting screw rod a7 along the displacement chute a10, namely move along the diameter of the bottom surface of the rotating wheel a2, and the stopping position of the displacement block a8 determines the angular range of the torsion swing of the main shaft b2 when the main shaft b2 is finally transmitted to the main shaft b 2. In addition, the displacement chute a10 is not necessarily a groove passing through the diameter of the bottom surface of the rotating wheel 2, but may be a linear groove at any position on the bottom surface, and only the determined torsion angle range of the main shaft b2 is relatively small; the rotating wheel a2 can be fixedly connected with an independent component in addition, and a displacement chute a10 is arranged on the rotating wheel a 2; the fixed end blocks a9 may be a part of the rotating wheel a2 and may be present as both end portions of the displacement chute a 10.
In order to firmly fix the displacement block a8, the displacement assembly further comprises a locking piece a10, a locking matching part a11 matched with the locking piece a10 is arranged on the rotating wheel a2, and the displacement block a8 is fixed with the rotating wheel a2 through the locking and unlocking actions of the locking piece a10 and the locking matching part a 11. In this embodiment, the locking member a10 is a bolt, the locking engagement portion a11 is a long-strip-shaped limiting groove, the displacement block a8 is provided with a screw hole, and the locking member a10 penetrates through the displacement block a8 and the limiting groove to tightly fix the displacement block a8 on the bottom surface of the rotating wheel a 2.
Taking the first embodiment and the second embodiment as an example, the working process of the whole testing device is as follows: before testing, preparation work is carried out, the adjusting screw a7 is rotated firstly, so that the displacement block a8 moves to a preset position, and the reciprocating torsional pendulum angle of the main shaft b2 at the terminal of the transmission chain can be a preset angle; and (3) beginning formal testing, placing the thrust bearing to be tested on the die holder b3, starting the pressing driving element c2, enabling the pressing head c3 to be downwards matched with the die holder b3 to press and fix the bearing to be tested, then starting the driving motor a1 to drive the rotating wheel a2 to rotate, and driving the main shaft b2 and the die holder b3 on the main shaft to do reciprocating torsional pendulum motion through the transmission action of the first linkage bearing a3, the first connecting rod a5, the second linkage bearing a4 and the second connecting rod a4 by the rotating wheel a 2. Therefore, the detection test of the bearing to be detected on the die holder b3 based on two items of durability and rotation torque can be realized. Specific parameters of relevance are as follows, the rotation torque can be set to be not more than 2.5n.m, the axial load can be set to be about 5000N, the reciprocating torsional pendulum angle can be set to be +/-40 degrees, the frequency can be set to be 1HZ, and the cycle number can be set to be 100 to 100 ten thousand.
It will be understood by those skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments of the present invention can be modified or altered without departing from the principles.
Claims (10)
1. Bumper shock absorber thrust bearing testing arrangement, its characterized in that: including workstation (1), the platform of turning round pendulum, the actuating mechanism of turning round pendulum and pushing down the mechanism, the platform of turning round pendulum actuating mechanism with pushing down the mechanism setting and being in workstation (1) is last, the platform of turning round pendulum is used for holding and puts the bearing that awaits measuring, the actuating mechanism of turning round pendulum is used for the drive the reciprocal rotation of the platform of turning round pendulum, pushing down the mechanism and being used for the cooperation the platform of turning round pendulum tightly is located thrust bearing on the platform of turning round pendulum applys axial load to it.
2. The shock absorber thrust bearing testing arrangement of claim 1, wherein: it includes driving motor (a 1), rotates wheel (a 2), first linkage bearing (a 3), second linkage bearing (a 4), first connecting rod (a 5) and second connecting rod (a 6) to turn round actuating mechanism, driving motor (a 1) fixed connection be in on workstation (1), rotate wheel (a 2) with driving motor (a 1) is connected and is driven by it and rotate, the bearing pin fixed connection of first linkage bearing (a 3) is in on the bottom surface of rotation wheel (a 2), the one end of first connecting rod (a 5) with first linkage bearing (a 3) fixed connection and the other end with second linkage bearing (a 4) fixed connection, the one end of second connecting rod (a 6) with turn round pendulum platform fixed connection and the other end with the bearing pin fixed connection of second linkage bearing (a 4).
3. The shock absorber thrust bearing testing arrangement of claim 1, wherein: the torsion pendulum driving mechanism comprises a driving motor (a 1), a rotating wheel (a 2), a first linkage bearing (a 3), a second linkage bearing (a 4), a first connecting rod (a 5), a second connecting rod (a 6) and a displacement assembly, wherein the driving motor (a 1) is fixedly connected to the workbench (1), the rotating wheel (a 2) is connected with the driving motor (a 1) to be driven to rotate by the driving motor, a bearing pin of the first linkage bearing (a 3) is fixedly connected with the displacement assembly, the displacement assembly is arranged on the rotating wheel (a 2) and used for moving or fixing on the bottom surface of the rotating wheel (a 2), one end of the first connecting rod (a 5) is fixedly connected with the first linkage bearing (a 3) while the other end is fixedly connected with the second linkage bearing (a 4), and one end of the second connecting rod (a 6) is fixedly connected with the torsion pendulum platform while the other end is fixedly connected with the bearing pin of the second linkage bearing (a 4).
4. The shock absorber thrust bearing testing arrangement of claim 3, wherein: the displacement assembly comprises an adjusting screw rod (a 7), a displacement block (a 8) and a fixed end block (a 9), a displacement chute is arranged on the rotating wheel (a 2) or an independent component with the displacement chute is arranged on the rotating wheel (a 2), the displacement block (a 8) is connected in the displacement chute in a sliding mode and is simultaneously screwed on a threaded section of the adjusting screw rod (a 7), one end or two ends of the adjusting screw rod (a 7) are rotatably connected with the fixed end block (a 9), and the fixed end block (a 9) is an independent component fixedly connected with the rotating wheel (a 2) or is integrally formed on one part of the rotating wheel (a 2).
5. The shock absorber thrust bearing testing arrangement of claim 4, wherein: the displacement assembly further comprises a locking piece (a 10), a locking matching portion (a 11) matched with the locking piece (a 10) is arranged on the rotating wheel (a 2), and the displacement block (a 8) is fixed with the rotating wheel (a 2) through the locking piece (a 10) and the locking and unlocking actions of the locking matching portion (a 11).
6. The shock absorber thrust bearing testing arrangement of claim 5, wherein: the locking piece (a 10) comprises a bolt, the locking matching part (a 11) comprises a limiting groove or a limiting screw hole, and a screw hole or an insertion hole is formed in the displacement block (a 8).
7. The shock absorber thrust bearing testing arrangement of claim 1, wherein: the torsional pendulum platform includes bearing frame (b 1), main shaft (b 2) and die holder (b 3), bearing frame (b 1) fixed connection is in on workstation (1), main shaft (b 2) is connected on bearing frame (b 1), die holder (b 3) is connected the top of main shaft (b 2), main shaft (b 2) or die holder (b 3) with torsional pendulum actuating mechanism connects.
8. The shock absorber thrust bearing testing arrangement of claim 7, wherein: the torsional pendulum platform includes turned angle scale (b 4), turned angle scale (b 4) set up the surface of workstation (1) or set up the surface at an independent part, main shaft (b 2) and/or be equipped with on die holder (b 3) with turned angle scale (b 4) complex scale instruction portion.
9. The shock absorber thrust bearing testing arrangement of claim 1, wherein: push down the mechanism and include mounting bracket (c 1), push down driving element (c 2) and moulding-die, push down driving element (c 2) fixed connection be in on mounting bracket (c 1), the moulding-die with push down driving element fixed connection, the moulding-die is located the top of torsion pendulum platform and be used for the cooperation the torsion pendulum platform tightly decides the bearing that awaits measuring.
10. The shock absorber thrust bearing testing arrangement of claim 9, wherein: the moulding-die includes pressure head (c 3), torque sensor (c 4) and/or axial load sensor (c 5), pressure head (c 3) are located the torsional pendulum platform top and be used for the cooperation the torsional pendulum platform tightly decides the bearing that awaits measuring, torque sensor (c 4) are used for detecting the moment of torsion that the bearing that awaits measuring receives, axial load sensor (c 5) are used for detecting the axial load that the bearing that awaits measuring receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222633177.8U CN218098299U (en) | 2022-10-08 | 2022-10-08 | Shock absorber thrust bearing testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222633177.8U CN218098299U (en) | 2022-10-08 | 2022-10-08 | Shock absorber thrust bearing testing device |
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| Publication Number | Publication Date |
|---|---|
| CN218098299U true CN218098299U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222633177.8U Active CN218098299U (en) | 2022-10-08 | 2022-10-08 | Shock absorber thrust bearing testing device |
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| Country | Link |
|---|---|
| CN (1) | CN218098299U (en) |
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- 2022-10-08 CN CN202222633177.8U patent/CN218098299U/en active Active
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