CN213985717U - Shock absorber testing device - Google Patents
Shock absorber testing device Download PDFInfo
- Publication number
- CN213985717U CN213985717U CN202023203581.9U CN202023203581U CN213985717U CN 213985717 U CN213985717 U CN 213985717U CN 202023203581 U CN202023203581 U CN 202023203581U CN 213985717 U CN213985717 U CN 213985717U
- Authority
- CN
- China
- Prior art keywords
- actuator
- shock absorber
- testing device
- vertical
- loading fork
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a test technical field discloses a shock absorber testing arrangement. The shock absorber can be arranged on a shock absorber testing device, the shock absorber comprises a fixed end and a movable end which performs damping motion along the axial direction of the fixed end, and one side, far away from the fixed end, of the movable end is provided with an upper loading fork; the side actuator and the vertical actuator are arranged in an included angle, and the side actuator is hinged with the upper loading fork to drive the movable end to move along the direction in which the included angle is formed with the axis of the fixed end; the guide bar all is the contained angle setting with perpendicular actuator and side actuator, and the guide bar is articulated with last loading fork to be fixed in perpendicular actuator and side actuator place plane with the expansion end. The utility model discloses can simulate the atress condition in the shock absorber normal use, test reliability is high.
Description
Technical Field
The utility model relates to a test technical field especially relates to a shock absorber testing arrangement.
Background
The commercial vehicle vibration damper is one of important components of a chassis suspension system of a truck, is arranged between a vehicle frame (or a vehicle body) and an axle in parallel with an elastic element, and is used for inhibiting the vibration of the deformation of a spring and the impact from the road surface and accelerating the attenuation of the vibration of the vehicle frame and the vehicle body so as to improve the driving smoothness of the vehicle.
For a commercial vehicle equipped with a leaf spring, the damper has vertical deformation and longitudinal deformation along with the leaf spring and simultaneously bears vertical load and longitudinal load. In the prior art, fatigue life test verification of a shock absorber assembly is mainly carried out in an axial single-degree-of-freedom loading mode, the stress condition of the shock absorber in the normal use process cannot be completely simulated, and the reliability of a test result is low.
Therefore, a testing device for vibration damper is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on above, the utility model aims at providing a shock absorber testing arrangement can simulate the atress condition in the shock absorber normal use, and the test reliability is high.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a shock absorber testing device is provided, a shock absorber can be arranged on the shock absorber testing device, the shock absorber comprises a fixed end and a movable end which does damping motion along the axis direction of the fixed end, an upper loading fork is arranged on one side of the movable end, which is far away from the fixed end, and the shock absorber testing device comprises:
the vertical actuator is fixedly connected with the upper loading fork and can drive the movable end to move along the axial direction of the fixed end;
the side actuator is arranged at an included angle with the vertical actuator and is hinged with the upper loading fork so as to drive the movable end to move along the direction of forming an included angle with the axis of the fixed end;
the guide bar, with perpendicular actuator with the equal perpendicular setting of side actuator, the guide bar with it is articulated to go up the loading fork, with will the expansion end is fixed in perpendicular actuator with side actuator place plane.
As a preferable scheme of the shock absorber testing device, the side actuator is connected with the upper loading fork through a spherical hinge, and the guide rod is hinged with the upper loading fork through a pin shaft.
As a shock absorber testing arrangement's preferred scheme, still include portal frame and side bearer, the side actuator set up in on the side bearer, the portal frame include indulge the frame with set up in indulge the crossbeam on the frame, perpendicular actuator set up in on the crossbeam, the guide bar set up in indulge on the frame.
As a preferable scheme of the shock absorber testing device, the side actuators and the side frames, the vertical actuators and the cross beam, and the guide rods and the longitudinal frame are hinged.
As a preferable scheme of the shock absorber testing device, the side actuators and the side frames, the vertical actuators and the cross beams, and the guide rods and the longitudinal frames are all connected through spherical hinges.
As a preferable mode of the damper testing device, the position of the cross beam is adjustable along the length direction of the longitudinal frame.
As a preferred scheme of the shock absorber testing device, a plurality of first mounting holes are arranged on the longitudinal frame at intervals along the length direction of the longitudinal frame, a second mounting hole is arranged at the end of the transverse beam, and mounting screws can sequentially penetrate through the second mounting hole and the corresponding first mounting hole to connect the transverse beam and the longitudinal frame.
As a preferable mode of the damper testing device, the guide bar is adjustable in position in the longitudinal direction of the vertical frame, and the side actuator is adjustable in position in the longitudinal direction of the side frame.
As a preferable mode of the vibration damper testing device, the vertical actuator, the lateral actuator and the guide rod are arranged perpendicular to each other in pairs.
As a preferable scheme of the vibration damper testing device, a lower loading fork is arranged on one side of the fixed end, which is far away from the movable end.
The utility model has the advantages that:
the vertical actuator and the side actuator are arranged and are actuated simultaneously, and force which forms an included angle with the axis of the fixed end along the axis of the fixed end is applied to the movable end of the shock absorber, namely, the two linear actuators are used for simultaneously carrying out two-degree-of-freedom composite loading on the vibrator so as to simulate the stress of the shock absorber in the actual use process, and the two linear actuators can be used for detecting the fatigue life and other parameters of the shock absorber and can ensure that the reliability of the test result is higher; through setting up and the equal vertically guide bar of vertical actuator and side actuator, be fixed in vertical actuator and side actuator place plane with the expansion end, make the expansion end only can be in vertical actuator and the planar motion of side actuator place under vertical actuator and side actuator's effect, the stability of the expansion end motion of vibrator when guaranteeing the test.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic diagram of a shock absorber testing device and a shock absorber according to an embodiment of the present invention.
In the figure:
100. a shock absorber; 110. a fixed end; 111. an upper loading fork; 120. a movable end; 121. a lower loading fork;
1. a vertical actuator; 2. a side actuator; 3. a guide bar; 4. a gantry; 41. a longitudinal frame; 411. a first mounting hole; 42. a cross beam; 421. a second mounting hole; 5. a side frame.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a shock absorber testing device, on which a shock absorber 100 can be placed, wherein the shock absorber 100 includes a fixed end 110 and a movable end 120 performing damping motion along an axial direction of the fixed end 110, a side of the movable end 120 away from the fixed end 110 is provided with an upper loading fork 111, the shock absorber testing device includes a vertical actuator 1, a side actuator 2 and a guide rod 3, the vertical actuator 1 is fixedly connected to the upper loading fork 111, and the vertical actuator 1 can drive the movable end 120 to move along the axial direction of the fixed end 110; the side actuator 2 and the vertical actuator 1 are arranged at an included angle, and the side actuator 2 is hinged with the upper loading fork 111 to drive the movable end 120 to move along a direction forming an included angle with the axis of the fixed end 110; the guide rod 3 and perpendicular actuator 1 and side actuator 2 all are the contained angle setting, and the guide rod 3 is articulated with last loading fork 111 to be fixed in perpendicular actuator 1 and the plane of side actuator 2 place with expansion end 120.
By arranging the vertical actuator 1 and the side actuator 2 and enabling the vertical actuator 1 and the side actuator 2 to actuate simultaneously, force which forms an included angle with the axis of the fixed end 110 and the axis of the fixed end 110 is applied to the movable end 120 of the shock absorber 100, namely, the two linear actuators are used for carrying out two-degree-of-freedom composite loading on the vibrator simultaneously so as to simulate the stress of the shock absorber 100 in the actual use process, the two-degree-of-freedom combined loading device can be used for detecting parameters such as fatigue life of the shock absorber 100 and the like, and the reliability of a test result can be higher; through setting up with the equal vertically guide bar 3 of vertical actuator 1 and side actuator 2, be fixed in vertical actuator 1 and the plane of side actuator 2 place with expansion end 120, make expansion end 120 only can be in vertical actuator 1 and the planar motion of side actuator 2 place under the effect of vertical actuator 1 and side actuator 2, the stability of the expansion end 120 motion of vibrator when guaranteeing the test.
It should be noted that, an upper loading fork 111 is disposed on a side of the movable end 120 of the vibrator away from the fixed end 110, and a lower loading fork 121 is disposed on a side of the fixed end 110 away from the movable end 120, so that the upper loading fork 111 and the lower loading fork 121 are used in a shock absorber testing device and other bench tests, and the structure and the installation manner of the upper loading fork 111 and the lower loading fork 121 are the prior art and are not described herein again.
Specifically, the side actuator 2 is connected with the upper loading fork 111 through a spherical hinge, and the guide rod 3 is hinged with the upper loading fork 111 through a pin shaft, so that the vertical actuator 1 and the side actuator 2 are actuated simultaneously, and the movable end 120 of the vibrator can normally move under the guiding and limiting effects of the guide rod 3, so as to reduce the damage to the vertical actuator 1, the side actuator 2, the guide rod 3 and the vibrator.
In this embodiment, in order to fix the vertical actuator 1, the side actuator 2, and the guide bar 3, the shock absorber testing apparatus further includes a gantry 4 and a side frame 5, the side actuator 2 is disposed on the side frame 5, the gantry 4 includes a vertical frame 41 and a cross beam 42 disposed on the vertical frame 41, the vertical actuator 1 is disposed on the cross beam 42, and the guide bar 3 is disposed on the vertical frame 41.
Specifically, the side actuators 2 and the side frames 5, the vertical actuators 1 and the cross beams 42, and the guide rods 3 and the longitudinal frames 41 are hinged to ensure that the moving ends of the vibrators are forced to move in the test process. In this embodiment, mounting seats are respectively disposed between the ends of the side actuators 2, the vertical actuators 1 and the guide rods 3 far away from the upper loading forks 111 and the corresponding side frames 5, the cross beams 42 and the longitudinal frames 41, the mounting seats are respectively fixedly connected with the side frames 5, the cross beams 42 and the longitudinal frames 41, and the side actuators 2, the vertical actuators 1 and the guide rods 3 are hinged with the corresponding mounting seats.
Illustratively, the side actuators 2 and the side frames 5, the vertical actuators 1 and the cross beams 42, and the guide rods 3 and the longitudinal frames 41 are all connected through spherical hinges, so that force transmission is uniform, bending distances from the vertical actuators 1 and the side actuators 2 in two directions can be borne, and the reliability of the structure for testing the vibrator can be guaranteed.
Preferably, the position of the cross beam 42 along the length direction of the vertical frame 41 is adjustable, which is beneficial to replacing different vertical actuators 1 so as to use different test scenarios.
Furthermore, the position of the guide rod 3 along the length direction of the longitudinal frame 41 is adjustable, and the position of the side actuator 2 along the length direction of the side frame 5 is adjustable, so that the vibrators with different lengths can be tested, and the universality of the shock absorber testing device is improved.
Specifically, in order to realize that the height of the cross beam 42 on the vertical frame 41 is adjustable, a plurality of first mounting holes 411 are arranged on the vertical frame 41 at intervals along the length direction of the vertical frame, a second mounting hole 421 is arranged at the end of the cross beam 42, and mounting screws can be sequentially inserted into the second mounting hole 421 and the corresponding first mounting hole 411 to connect the cross beam 42 and the vertical frame 41. It is worth mentioning that the height of the guide rod 3 can be adjusted on the longitudinal beam through the first mounting hole 411.
In this embodiment, vertical actuator 1, side actuator 2 and 3 mutual vertical settings between two liang of guide bars, side direction actuator and guide bar 3 are the horizontality promptly, and vertical actuator is vertical state to further simulate the actual state in the real car installation of vibrator, make the fatigue life isoparametric that detects the vibrator more reliable.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. A shock absorber testing device on which a shock absorber (100) can be placed, said shock absorber (100) comprising a fixed end (110) and a movable end (120) which performs a damping motion along an axial direction of said fixed end (110), characterized in that a side of said movable end (120) remote from said fixed end (110) is provided with an upper loading fork (111), said shock absorber testing device comprising:
the vertical actuator (1) is fixedly connected with the upper loading fork (111), and the vertical actuator (1) can drive the movable end (120) to move along the axial direction of the fixed end (110);
the side actuator (2) is arranged at an included angle with the vertical actuator (1), and the side actuator (2) is hinged with the upper loading fork (111) to drive the movable end (120) to move along the direction of the included angle with the axis of the fixed end (110);
guide bar (3), with perpendicular actuator (1) with side actuator (2) all sets up perpendicularly, guide bar (3) with it is articulated to go up loading fork (111), with will expansion end (120) are fixed in perpendicular actuator (1) with side actuator (2) place plane.
2. The shock absorber testing device according to claim 1, wherein the side actuator (2) is connected with the upper loading fork (111) through a spherical hinge, and the guide rod (3) is hinged with the upper loading fork (111) through a pin shaft.
3. The shock absorber testing device according to claim 1, further comprising a gantry (4) and a side frame (5), wherein the side actuator (2) is disposed on the side frame (5), the gantry (4) comprises a longitudinal frame (41) and a cross beam (42) disposed on the longitudinal frame (41), the vertical actuator (1) is disposed on the cross beam (42), and the guide bar (3) is disposed on the longitudinal frame (41).
4. A shock absorber testing device according to claim 3, wherein the side actuators (2) and the side frames (5), the vertical actuators (1) and the cross beams (42), and the guide bars (3) and the longitudinal frames (41) are all hinged.
5. The shock absorber testing device according to claim 4, wherein the side actuators (2) and the side frames (5), the vertical actuators (1) and the cross beams (42), and the guide bars (3) and the longitudinal frames (41) are all connected by a spherical hinge.
6. A shock absorber testing device according to claim 3, wherein said cross member (42) is adjustable in position along the length of said longitudinal frame (41).
7. The vibration damper testing device according to claim 6, wherein a plurality of first mounting holes (411) are formed in the longitudinal frame (41) at intervals along the length direction of the longitudinal frame, a second mounting hole (421) is formed in the end portion of the cross beam (42), and mounting screws can be sequentially inserted through the second mounting hole (421) and the corresponding first mounting hole (411) to connect the cross beam (42) and the longitudinal frame (41).
8. The shock absorber testing device according to claim 6, wherein the guide bar (3) is position-adjustable along a length direction of the vertical frame (41), and the side actuator (2) is position-adjustable along a length direction of the side frame (5).
9. Shock absorber testing device according to any of the claims 1-8, wherein said vertical actuator (1), said lateral actuator (2) and said guiding rod (3) are arranged mutually perpendicular in pairs.
10. The vibration damper testing device according to any one of claims 1 to 8, wherein a side of the fixed end (110) remote from the movable end (120) is provided with a lower loading fork (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023203581.9U CN213985717U (en) | 2020-12-25 | 2020-12-25 | Shock absorber testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023203581.9U CN213985717U (en) | 2020-12-25 | 2020-12-25 | Shock absorber testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213985717U true CN213985717U (en) | 2021-08-17 |
Family
ID=77248365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023203581.9U Active CN213985717U (en) | 2020-12-25 | 2020-12-25 | Shock absorber testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213985717U (en) |
-
2020
- 2020-12-25 CN CN202023203581.9U patent/CN213985717U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105814424B (en) | Bearing testing machine | |
| CN107782569B (en) | Universal test platform for three-axis six-channel suspension | |
| CN210269198U (en) | Multi-channel bench test device of suspension system | |
| CN114623992B (en) | Steel plate spring loading test bench | |
| CN213985717U (en) | Shock absorber testing device | |
| CN102589905A (en) | Transverse stabilizer bar test bed | |
| CN101618667B (en) | Leaf-spring equalizing suspension mechanism, multi-axis vehicle leaf-spring equalizing suspension system and crane | |
| CN113029783B (en) | Two-degree-of-freedom loading bench test equipment for leaf spring | |
| CN107091752B (en) | Cargo vehicle V-shaped reaction rod bench test system | |
| CN111422213A (en) | Suspension structure for air-rail bogie and air-rail vehicle | |
| CN108168917B (en) | Loading device and testing system for testing bearing capacity of bogie frame | |
| CN114323956B (en) | Four-way composite loading fatigue test device for rubber elastic element | |
| CN113310709A (en) | Commercial car power assembly suspension multidirectional loading test device | |
| KR100482085B1 (en) | endurance test system of stabilizer for car | |
| CN114838962A (en) | Front suspension system testing device | |
| CN210243157U (en) | Automobile suspension helical spring endurance test device | |
| CN208636049U (en) | The EEF bogie experimental bench of magnetic levitation track train | |
| CN112254990A (en) | Durability test device and method for shock absorber assembly | |
| CN113933077A (en) | Loading device for bogie frame test and bogie frame test system | |
| CN112014130A (en) | Spring joist strength test simulation device | |
| CN110132564B (en) | Test device for suspension type air train swing bolster | |
| CN217483876U (en) | Knuckle wheel center test tool | |
| CN113848109B (en) | Low-floor bogie frame strength testing device and system | |
| CN213091190U (en) | Durability test device for shock absorber assembly | |
| CN113820150A (en) | Quasi-static compression test device for vehicle body end wall anti-collision column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |