CN214408005U - Fatigue life testing device for reaction rod support - Google Patents
Fatigue life testing device for reaction rod support Download PDFInfo
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- CN214408005U CN214408005U CN202120560277.5U CN202120560277U CN214408005U CN 214408005 U CN214408005 U CN 214408005U CN 202120560277 U CN202120560277 U CN 202120560277U CN 214408005 U CN214408005 U CN 214408005U
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- reaction rod
- reaction
- actuator
- support
- fatigue life
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Abstract
The utility model belongs to the technical field of auto parts testing arrangement, a reaction pole support fatigue life test device is disclosed, include: a base for securing the reaction rod support; the reaction rod modified parts are respectively hinged between a group of connecting lugs on the corresponding sides of the reaction rod modified parts; an actuator having a first end in a direction of expansion and contraction thereof connected to a second end of the reaction rod reforming element; and the second end of the actuator along the self telescopic direction is hinged with the support. The utility model has the advantages that: the base is fixed with the reaction pole support, and the reaction pole piece of reforming can be as connecting piece lug and the actuator of connecting the reaction pole support respectively, and the other end of actuator is fixed by the support, opens the back as the actuator, through the output power value of control actuator, can test the fatigue life of reaction pole.
Description
Technical Field
The utility model relates to an auto parts testing arrangement technical field especially relates to a reaction pole support fatigue life test device.
Background
In domestic automobile axles, axle housing assemblies of a stamping and welding structure are mostly adopted, a reaction rod support is welded on the axle housing assemblies and used for connecting a reaction rod, and the reaction rod support has heavy weight and increases the oil consumption of the whole automobile; low welding strength, cracking of welding seams and the like.
However, at present, no device specially used for the fatigue life test of the reaction rod support exists, and inconvenience is brought to the research and development and application of the reaction rod support.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reaction pole support fatigue life test device to solve and lack the problem that special device detected the fatigue life of reaction pole support.
To achieve the purpose, the utility model adopts the following technical proposal:
a reaction rod support fatigue life test device, comprising:
the reaction rod support is provided with two groups of connecting lugs;
the first ends of the two groups of reaction rod modified parts are respectively hinged between one group of the connecting lugs on the corresponding sides of the reaction rod modified parts;
an actuator having a first end in a direction of expansion and contraction thereof connected to a second end of the reaction rod reforming element; and
and the second end of the actuator along the self telescopic direction is hinged with the support.
The base is fixed with the reaction pole support, and the reaction pole piece of reforming can be as connecting piece lug and the actuator of connecting the reaction pole support respectively, and the other end of actuator is fixed by the support, opens the back as the actuator, through the output power value of control actuator, can test the fatigue life of reaction pole.
As a preferred scheme of the fatigue life testing device for the reaction rod support, a plurality of first screw holes are formed in the base;
the reaction rod support is connected with the first screw hole through a first bolt.
The base is provided with first screw, can connect the reaction pole support through first bolt detachably, fixes the reaction pole support on the base.
As a preferable aspect of the reaction rod bracket fatigue life test apparatus, the reaction rod modified piece includes:
two connecting plates, wherein one connecting plate is connected to one connecting lug in one group, and the other connecting plate is connected to the other connecting lug in the same group;
the connecting shaft is connected between the two connecting plates; and
the connecting sleeve is arranged on the connecting shaft and can rotate around the connecting shaft, and the actuator is detachably connected with the connecting sleeve.
The connecting plates are used for being connected with the connecting lugs, the connecting shaft is arranged between the two connecting plates, the connecting sleeve is sleeved on the connecting shaft and can rotate around the connecting shaft, and the actuator transmits force to the connecting lugs of the reaction rods through the connecting sleeve.
As a preferable scheme of the fatigue life test device for the reaction rod bracket, the connecting plate is provided with a first through hole;
the connecting lug is provided with a second screw hole, and the first through hole of the connecting plate is connected with the second screw hole of the connecting lug through a second bolt after being aligned.
The connecting plate is equipped with first through-hole, is equipped with the second screw on the engaging lug, and first through-hole threaded connection to second screw can be worn to establish by the second bolt, realizes the fixed of engaging lug and connecting plate to convenient follow-up dismantlement.
As a preferable scheme of the fatigue life test device for the reaction rod bracket, the connecting sleeve comprises:
the lantern ring is provided with a circular cross section and sleeved on the connecting shaft; and
one end of the loop bar is connected to the surface of the loop bar, and the other end of the loop bar is provided with external threads.
The lantern ring can rotate around the connecting axle, and the loop bar is provided with the external screw thread, can conveniently carry out threaded connection.
As a preferable mode of the reaction rod support fatigue life testing device, the length direction of the sleeve is perpendicular to the rotation axis of the sleeve.
The loop bar perpendicular to lantern ring, and then make actuator's flexible direction perpendicular to engaging lug, the engaging lug can reach the simulation atress effect that accords with in the actual car the most.
As a preferable scheme of the fatigue life testing device for the reaction rod support, the first end of the actuator is provided with an internal thread which is matched and connected with the external thread of the loop bar.
The actuator sets up the external screw thread that the internal thread can the direct connection telescopic link, realizes that actuator and adapter sleeve can dismantle the link.
As a preferable aspect of the reaction rod support fatigue life test apparatus, the support includes:
a support base plate; and
and the support seat frame is vertically arranged on the support seat chassis, and the actuator is hinged with the support seat frame.
The support base plate provides support for the support seat frame, and the support seat frame is hinged with the actuator.
As a preferable scheme of the reaction rod support fatigue life testing device, the support base plate is provided with a plurality of second through holes.
The support base plate is convenient to be connected with the workbench through the second through hole.
In a preferred embodiment of the fatigue life testing device for the reaction rod support, the support frame is provided with a pivot shaft through which the actuator is inserted.
The pivot penetrates through the actuator, so that the actuator can rotate around the pivot, different angles can be adjusted, and different working states can be simulated.
The utility model has the advantages that: the base is fixed with the reaction pole support, and the reaction pole piece of reforming can be as connecting piece lug and the actuator of connecting the reaction pole support respectively, and the other end of actuator is fixed by the support, opens the back as the actuator, through the output power value of control actuator, can test the fatigue life of reaction pole.
Drawings
FIG. 1 is a schematic structural diagram of a reaction rod support fatigue life testing device according to an embodiment of the present application during testing;
FIG. 2 is an enlarged view of the portion circled A of FIG. 1;
FIG. 3 is a schematic structural diagram of a reaction rod modification of the reaction rod support fatigue life testing apparatus according to the embodiment of the present disclosure.
In the figure:
1-a base;
2-reaction rod support; 21-connecting lugs;
3-reaction rod modification; 31-a connecting plate; 32-a connecting shaft; 33-connecting sleeves; 331-a collar; 332-a loop bar;
4-an actuator;
5-support; 51-a pedestal pan; 52-a pedestal frame; 510-second via.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a reaction pole support fatigue life test device, as shown in fig. 1 and fig. 2, reaction pole support fatigue life test device is used for fixed reaction pole support 2 and carries out life test to it.
The reaction rod support fatigue life test device includes: a base 1, a reaction rod modification 3, an actuator 4 and a support 5.
The base 1 is used for fixing the reaction rod support 2, the reaction rod support 2 is provided with two groups of connection lugs 21, and the included angle of the two groups of connection lugs 21 is 45 degrees. The reaction rod modification members 3 have two sets in total and are connected to the engaging lugs 21 in a one-to-one correspondence, i.e., one set of engaging lugs 21 is connected to one reaction rod modification member 3, and the other set of connecting lugs 21 is connected to the other reaction rod modification member 3. Each reaction rod modified piece 3 is connected with an actuator 4, the other end of the actuator 4 is connected with a support 5, namely the actuator 4 can stretch out and draw back along the length direction of the actuator 4, one end of the actuator 4 along the stretching direction of the actuator is connected with the reaction rod modified piece 3, the other end of the actuator is hinged with the support 5, and the base 1 and the support 5 can be connected with a workbench.
Further, be equipped with the first screw of a plurality of on the base 1, reaction pole support 2 passes through first bolted connection first screw. Since the base 1 is provided with the first screw hole, the reaction rod bracket 2 can be detachably attached by the first bolt, fixing the reaction rod bracket 2 on the base 1. When the reaction rod bracket 2 needs to be replaced, the first bolt can be pulled out of the first screw hole.
Fig. 3 is a schematic structural view of the reaction rod modified member 3 according to the embodiment of the present application, the reaction rod modified member 3 includes two connecting plates 31, a connecting shaft 32 and a connecting sleeve 33, one of the connecting plates 31 is connected to one of the engaging lugs 21, the other connecting plate 31 is connected to the other of the engaging lugs 21, the connecting shaft 32 is connected between the two connecting plates 31, the connecting sleeve 33 is disposed on the connecting shaft 32 and can rotate around the connecting shaft 32, and the actuator 4 is detachably connected to the connecting sleeve 33.
The actuator 4 is connected to the connecting sleeve 33 and the connecting sleeve 33 can be rotated about the connecting shaft 32, so that a rotation of the actuator 4 relative to the connecting shaft 32, in other words a rotation of the actuator 4 relative to the reaction rod carrier 2, is achieved. After the actuator 4 is activated, the two connection plates 31 can output a force to the corresponding connection lug 21.
It should be noted that, in order to prevent the connecting sleeve 33 from moving excessively along the connecting shaft 32, the axial length of the connecting sleeve 33 and the length of the connecting shaft 32 are different by 1mm to 2 mm.
Further, the connecting plate 31 is provided with a first through hole, the connecting lug 21 is provided with a second screw hole, and the first through hole of the connecting plate 31 and the second screw hole of the connecting lug 21 are aligned and then connected by a second bolt. Thereby achieving the detachable connection of the connection plate 31 and the connection lug 21.
The connecting sleeve 33 comprises a sleeve ring 331 and a sleeve rod 332, the sleeve ring 331 has a circular cross section and is sleeved on the connecting shaft 32, one end of the sleeve rod 332 is fixedly connected to the surface of the sleeve ring 331, and the other end of the sleeve rod 332 is provided with an external thread.
In the present embodiment, the length direction of the sleeve rod 332 is perpendicular to the rotation axis of the collar 331. The loop rod 332 is perpendicular to the loop 331, so that the expansion direction of the actuator 4 is perpendicular to the connecting lug 21, and the connecting lug 21 can achieve the effect of simulating stress in an actual vehicle.
Further, the first end of the actuator 4 is provided with an internal thread which is in mating connection with the external thread of the loop bar 332. The actuator 4 is connected with the sleeve rod 332 in a threaded mode, stable connection is achieved, and meanwhile disassembly is convenient.
As shown in fig. 1, the support 5 includes a support chassis 51 and a support frame 52, the support frame 52 is vertically disposed on the support chassis 51, and the actuator 4 is hinged to the support frame 52.
It should be noted that the support base plate 51 is provided with a plurality of second through holes 510. The support base 51 is conveniently connected to the work table through the second through hole 510. The support frame 52 is provided with a pivot shaft through which the actuator 4 is inserted.
The utility model provides a reaction pole support fatigue life test device theory of operation does: the method comprises the steps of firstly fixing a reaction rod support 2 by using a base 1, installing a reaction rod modified piece 3 on each group of connecting lugs 21, then connecting an actuator 4 with the reaction rod modified piece 3, fixing the other end of the actuator 4 by a support 5, stretching the actuator 4 along the length direction of the actuator 4 after opening the actuator 4, and testing the fatigue life of the reaction rod 2 by controlling the output force value of the actuator 4.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a reaction pole support fatigue life test device which characterized in that includes:
the reaction rod bracket comprises a base (1) and a reaction rod bracket (2), wherein the base (1) is used for fixing the reaction rod bracket (2), and the reaction rod bracket (2) is provided with two groups of connecting lugs (21);
the first ends of the two groups of reaction rod modified parts (3) are respectively hinged between one group of connecting lugs (21) on the corresponding sides of the reaction rod modified parts (3);
an actuator (4) connected to the second end of the reaction rod reforming element (3) at a first end in the direction of expansion and contraction thereof; and
and the second end of the actuator (4) along the self telescopic direction is hinged with the support (5).
2. The fatigue life testing device for the support of the reaction rod as claimed in claim 1, wherein the base (1) is provided with a plurality of first screw holes;
the reaction rod support (2) is connected with the first screw hole through a first bolt.
3. The reaction rod cradle fatigue life testing apparatus of claim 1, characterized in that the reaction rod modification (3) comprises:
two connecting plates (31), wherein one connecting plate (31) is connected to one of the connecting lugs (21) in one group, and the other connecting plate (31) is connected to the other connecting lug (21) in the same group;
a connecting shaft (32) connected between the two connecting plates (31); and
the connecting sleeve (33) is arranged on the connecting shaft (32) and can rotate around the connecting shaft (32), and the actuator (4) is detachably connected with the connecting sleeve (33).
4. The reaction rod bracket fatigue life test device of claim 3, characterized in that the connection plate (31) is provided with a first through hole;
the connecting lug (21) is provided with a second screw hole, and the first through hole of the connecting plate (31) is connected with the second screw hole of the connecting lug (21) through a second bolt after being aligned.
5. The reaction rod bracket fatigue life test device of claim 3, characterized in that the connection sleeve (33) comprises:
a lantern ring (331) having a circular cross section and sleeved on the connecting shaft (32); and
and one end of the loop rod (332) is connected to the surface of the loop ring (331), and the other end of the loop rod is provided with an external thread.
6. The reaction rod bracket fatigue life testing apparatus of claim 5, wherein the length direction of the sleeve rod (332) is perpendicular to the rotation axis of the collar (331).
7. The reaction rod bracket fatigue life testing device of claim 5, characterized in that the first end of the actuator (4) is provided with an internal thread which is in mating connection with an external thread of the sleeve rod (332).
8. The reaction rod cradle fatigue life test device of claim 1, characterized in that the seat (5) comprises:
a pedestal chassis (51); and
and the support frame (52) is vertically arranged on the support chassis (51), and the actuator (4) is hinged with the support frame (52).
9. The reaction rod bracket fatigue life testing apparatus of claim 8, characterized in that the seat pan (51) is provided with a number of second through holes (510).
10. The reaction rod cradle fatigue life testing apparatus of claim 8 wherein the cradle (52) is provided with a pivot shaft through which the actuator (4) is disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560277.5U CN214408005U (en) | 2021-03-18 | 2021-03-18 | Fatigue life testing device for reaction rod support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560277.5U CN214408005U (en) | 2021-03-18 | 2021-03-18 | Fatigue life testing device for reaction rod support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214408005U true CN214408005U (en) | 2021-10-15 |
Family
ID=78029425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120560277.5U Active CN214408005U (en) | 2021-03-18 | 2021-03-18 | Fatigue life testing device for reaction rod support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214408005U (en) |
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2021
- 2021-03-18 CN CN202120560277.5U patent/CN214408005U/en active Active
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