具体实施方式

下面结合附图和实施例对本实用新型作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本实用新型，而非对本实用新型的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本实用新型相关的部分而非全部结构。

在本实用新型的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。

在本实用新型中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。

在本实施例的描述中，术语“上”、“下”、“右”、等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。此外，术语“第一”、“第二”仅仅用于在描述上加以区分，并没有特殊的含义。

本实用新型提供一种反作用杆支架疲劳寿命试验装置，如图1和图2所示，反作用杆支架疲劳寿命试验装置用于固定反作用杆支架2并对其进行寿命试验。

反作用杆支架疲劳寿命试验装置包括：底座1、反作用杆改制件3、作动器4和支座5。

底座1用于固定反作用杆支架2，反作用杆支架2设有两组连接耳21，两组连接耳21的夹角为45°。反作用杆改制件3共有两组，并与连接耳21一一对应连接，即一组连接耳21连接一个反作用杆改制件3，另一组连接热21连接另一个反作用杆改制件3。每个反作用杆改制件3连有一个作动器4，作动器4的另一端连接支座5，即作动器4能够沿自身长度方向伸缩，作动器4沿自身伸缩方向的一端连接反作用杆改制件3，另一端铰接支座5，底座1和支座5均可以连接工作台。

底座1将反作用杆支架2固定，反作用杆改制件3能够作为连接件分别连接反作用杆支架2的连接耳21以及作动器4，作动器4的另一端被支座5固定，当作动器4开启后，作动器4沿自身长度方向拉伸，通过控制作动器4的输出力值，能够测试反作用杆2的疲劳寿命。

进一步，底座1上设有若干个第一螺孔，反作用杆支架2通过第一螺栓连接所述第一螺孔。由于底座1设有第一螺孔，通过第一螺栓能够可拆卸地连接反作用杆支架2，将反作用杆支架2固定在底座1上。当需要更换反作用杆支架2时，能够将第一螺栓从第一螺孔中拔出。

图3是本申请实施例的反作用杆改制件3的结构示意图，反作用杆改制件3包括两个连接板31、一根连接轴32和一个连接套33，其中一个连接板31连接在一组连接耳21中的一个，另一个连接板31连接在同一组连接耳21中的另一个，连接轴32连接在两个连接板31之间，连接套33设置在连接轴32上并可绕连接轴32转动，作动器4与连接套33可拆卸连接。

作动器4连接连接套33，且连接套33能够绕连接轴32旋转，从而实现作动器4相对连接轴32旋转，换言之，作动器4能够相对反作用杆支架2旋转。并且，作动器4启动后能够通过两个连接板31将力分别输出给对应的连接耳21。

需要说明的是，为了防止连接套33沿连接轴32上过度窜动，连接套33的轴向长度和连接轴32的长度相差1mm-2mm。

进一步，连接板31设有第一通孔，连接耳21设有第二螺孔，连接板31的第一通孔和连接耳21的第二螺孔对准后由第二螺栓连接。由此实现连接板31和连接耳21可拆卸连接。

连接套33包括套环331和套杆332，套环331具有圆形截面并套设在连接轴32上，套杆332的一端固定连接在套环331的表面，另一端设有外螺纹。

在本申请实施例中，套杆332的长度方向垂直于套环331的转动轴线。套杆332垂直于套环331，进而使作动器4的伸缩方向垂直于连接耳21，连接耳21能够达到最符合实际车内的模拟受力效果。

进一步，作动器4的第一端设有与套杆332的外螺纹配合连接的内螺纹。作动器4螺纹连接套杆332，实现稳定连接，同时便于拆卸。

如图1所示，支座5包括支座底盘51和支座架52，支座架52垂直设置在支座底盘51上，作动器4与支座架52铰接。

需要说明的是，支座底盘51设有若干个第二通孔510。通过第二通孔510方便支座底盘51连接工作台。支座架52设有穿设作动器4的枢轴。

本实用新型提供的反作用杆支架疲劳寿命试验装置工作原理为：首先利用底座1固定反作用杆支架2，在每一组连接耳21上安装反作用杆改制件3，之后作动器4连接反作用杆改制件3，作动器4的另一端被支座5固定，开启作动器4后，作动器4沿自身长度方向拉伸，通过控制作动器4的输出力值，能够测试反作用杆2的疲劳寿命。

显然，本实用新型的上述实施例仅仅是为了清楚说明本实用新型所作的举例，而并非是对本实用新型的实施方式的限定。对于所属领域的普通技术人员来说，能够进行各种明显的变化、重新调整和替代而不会脱离本实用新型的保护范围。这里无需也无法对所有的实施方式予以穷举。凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型权利要求的保护范围之内。

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.

Base 1 is fixed with reaction pole support 2, and reaction pole modified piece 3 can connect the engaging lug 21 and the actuator 4 of reaction pole support 2 respectively as the connecting piece, and the other end of actuator 4 is fixed by support 5, opens the back as actuator 4, and actuator 4 is tensile along self length direction, through the output power value of control actuator 4, can test the fatigue life of reaction pole 2.

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.