Durability test equipment for shock absorber

Abstract

The utility model discloses durability test equipment for a shock absorber, which comprises a bearing table, a test cavity is arranged in the bearing table, two lifting plates are connected in the test cavity in an up-and-down sliding manner, and the two lifting plates are both provided with connecting assemblies used for being connected with the shock absorber; a plurality of groups of connecting assemblies are arranged in the front-back direction, each connecting assembly comprises a sliding rod and a locking piece, and the sliding rods are connected into the lifting plate in an up-down sliding mode. The shock absorber testing device is used for testing shock absorbers, and different from traditional testing equipment, the shock absorber testing device can control lifting of the shock absorbers in a bidirectional mode, and the testing efficiency is improved. The test effect and efficiency are improved; according to the utility model, the shock absorber is clamped between the two lifting plates, and the distance between the two lifting plates, the lifting stroke of the lifting plates and the like can be adjusted so as to adapt to shock absorbers with different specifications; the testing device is also provided with fan blades for air cooling, so that the real working condition is further simulated, and the testing authenticity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shock absorber technical field especially relates to a shock absorber's endurance test equipment. BACKGROUND

[0002] The vehicle shock absorber is a kind of device for reducing the vibration and impact caused by uneven road, braking, acceleration etc. during driving, to improve the stability, comfort and safety of vehicle driving.

[0003] The new shock absorber sample needs to be tested after production to verify its performance reliability and structural integrity, and to predict service life, a kind of electric vehicle shock absorber endurance test detection tool is disclosed in application No.202223536888.X, the device is fixed by the two ends of shock absorber, and the piston rod in shock absorber is driven reciprocating motion by cylinder, and then endurance test is carried out, however, the device has certain limitation, such as, only one shock absorber can be tested, the test result has certain contingency, and the test efficiency is relatively low, only single specification shock absorber can be tested, and the synchronous test of multiple specifications shock absorber cannot be carried out, thus improvement is required. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of shock absorber's endurance test equipment to solve the problems mentioned in the above background art.

[0005] The utility model provides the following technical scheme: a kind of shock absorber's endurance test equipment, including bearing table, test cavity is arranged in the bearing table, two lifting plates are slidably connected in the test cavity, two lifting plates are all provided with the connecting assembly for being connected with shock absorber;

[0006] The connecting assembly is provided with multiple groups distributed in front and back, the connecting assembly includes slide bar and locking part, the slide bar is slidably connected in the lifting plate, two lugs are provided on the end face of the slide bar, the locking part includes one No. bolt passing through two lugs on the slide bar, and the nut matched with the No. bolt;

[0007] It further includes locking assembly for locking the slide bar, and two drive assemblies for controlling the up-and-down movement of two lifting plates.

[0008] Preferably, the locking assembly includes a through hole transversely arranged in the slide bar, the through hole is distributed equidistantly up and down, and the lifting plate is screwed into a bolt penetrating the through hole.

[0009] Preferably, the driving assembly comprises a motor, a rotating disc and a hinged rod, the rotating disc is fixed on an output shaft extending out of the motor, the hinged rod is eccentrically hinged to the rotating disc, and the other end of the hinged rod is hinged to a lifting plate.

[0010] The two hinged rods are hinged to the sides of the two lifting plates away from each other.

[0011] Preferably, in the driving assembly for driving the lifting plate on the upper side, the motor is fixed on a sliding plate, the sliding plate is connected to the left side of the test cavity in an up-down sliding manner, and the bearing table is provided with an electric cylinder for controlling the up-down position of the sliding plate.

[0012] Preferably, a plurality of rotating shafts distributed in front and back are rotatably connected to the left side of the test cavity, the rotating shafts are connected through a first synchronous wheel and a first synchronous belt, and the ends of the rotating shafts are provided with fan blades.

[0013] In the driving assembly for driving the lifting plate on the lower side, the output shaft in the motor is further connected with one of the rotating shafts through a second synchronous wheel and a second synchronous belt.

[0014] Preferably, the rotating disc comprises a disc body, a sliding groove extending towards the axis of the disc body is arranged in the disc body, a sliding block is slidably connected in the sliding groove, the hinged rod is rotatably hinged to the sliding block, and a locking mechanism acting on the sliding block is further arranged.

[0015] Preferably, the locking mechanism comprises a through groove arranged at the bottom of the sliding groove, a second bolt is screwed into the sliding block, the second bolt penetrates through the through groove, and the head of the second bolt is attached to the left side of the disc body.

[0016] Preferably, the bottom of the sliding groove and the bottom surface of the sliding block are respectively provided with toothed patterns capable of engaging with each other.

[0017] The utility model provides a kind of durability test equipment of shock absorber, with the following beneficial effects:

[0018] The utility model is used to test shock absorber, and unlike traditional test equipment, the utility model can bidirectionally control lifting of shock absorber, improve test effect and efficiency;

[0019] The utility model clamps shock absorber between two lifting plates, and the utility model can adjust the spacing between two lifting plates, lifting stroke of lifting plate and the like, to adapt to shock absorber of different specifications;

[0020] The utility model is further provided with fan blade for air cooling, to further simulate real working condition and improve test authenticity. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the appearance schematic view of the utility model;

[0022] Figure 2 is the right view of the utility model;

[0023] Figure 3 is the structure schematic view in the utility model;

[0024] Figure 4 is Figure 1 the enlarged schematic view of A in the middle;

[0025] Figure 5 is Figure 2 the structure schematic view in the turntable in the middle;

[0026] Figure 6 is Figure 3 the enlarged schematic view of B in the middle.

[0027] In the drawings:

[0028] 11, bearing table; 12, test cavity; 13, lifting plate; 14, slide bar; 15, convex plate; 16, bolt; 17, motor; 18, turntable; 19, hinged rod; 20, sliding plate; 21, electric cylinder; 22, rotating shaft; 23, No. 1 synchronous belt; 24, fan blade; 25, No. 2 synchronous belt; 31, disc body; 32, sliding block. DETAILED DESCRIPTION

[0029] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as the limitation of the utility model.

[0031] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0032] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] Referring to Figures 1-6 According to the embodiment of the utility model discloses a shock absorber durability test equipment, including bearing platform 11, test cavity 12 is arranged in bearing platform 11, two lifting plates 13 are slidably connected in test cavity 12, and the connecting assembly for being connected with shock absorber is arranged on two lifting plates 13.

[0034] In order to carry out the synchronous test of multiple shock absorbers at the same time, the connecting assembly is provided with multiple groups distributed in front and back, and in the embodiment, in order to enable the synchronous test of different specifications of shock absorbers to be carried out at the same time, the connecting assembly includes a slide rod 14 and a locking piece, the slide rod 14 is slidably connected in the lifting plate 13, two lug plates 15 are arranged on the end face of the slide rod 14, the locking piece includes a No. 1 bolt penetrating two lug plates 15 on one slide rod 14, and a nut matched with the No. 1 bolt.

[0035] It also includes a locking assembly for locking the slide rod 14, and two drive assemblies for controlling the upward and downward movement of the two lifting plates 13 respectively.

[0036] When the shock absorber needs to be tested for durability, the worker needs to determine the up and down position of the slide rod 14 relative to the lifting plate 13 according to the size and specifications of the shock absorber, and then lock the position of the slide rod 14 through the locking assembly. Then the worker needs to connect the hook ring at the end of the piston rod to the slide rod 14 distributed on the upper and lower sides through the connecting assembly, specifically, the worker extends the hook ring between the two convex plates 15, then inserts the No. 1 bolt through the hook ring, and then locks the No. 1 bolt through the nut. At this time, the locking between the slide rod 14 and the shock absorber is completed. Then the lifting assembly is used to control the lifting of the lifting plate 13. At this time, the shock absorber starts to work. In a specific test project, the worker can set the test time, and after the test time, the worker can remove the shock absorber and judge whether the shock absorber has failed, and then the durability of the shock absorber is obtained.

[0037] The locking assembly includes a through hole transversely arranged in the slide rod 14, which is distributed equidistantly up and down. The lifting plate 13 has a latch 16 inserted into the through hole. The worker can rotate the latch 16 into the lifting plate 13 and lock it through the thread and friction force. At this time, the latch 16 can control the up and down position of the slide rod 14.

[0038] The drive assembly includes a motor 17, a rotating disc 18 and a hinged rod 19. The rotating disc 18 is fixed to the output shaft extending out of the motor 17. The hinged rod 19 is eccentrically hinged to the rotating disc 18, and the other end of the hinged rod 19 is hinged to the lifting plate 13.

[0039] Two hinged rods 19 are hinged to the sides of the two lifting plates 13 away from each other.

[0040] When the motor 17 is powered on, it will drive the rotating disc 18 to rotate, thereby controlling the hinged rod 19 to swing, so that the lifting plate 13 and the clamped shock absorber reciprocate up and down.

[0041] In order to make the durability test equipment of the shock absorber more suitable for different specifications of the shock absorber, in the drive assembly for driving the lifting plate 13 on the upper side, the motor 17 is fixed on the sliding plate 20, which is connected to the left side of the test cavity 12. The bearing table 11 is provided with an electric cylinder 21 for controlling the up and down position of the sliding plate 20, that is, the worker can control the initial distance between the two lifting plates 13 by controlling the electric cylinder 21.

[0042] In the second embodiment of the durability test equipment of the shock absorber, in order to further simulate the use state of the real shock absorber, avoid the distortion of the test result caused by the high temperature of the shock absorber in the static test environment, a plurality of rotating shafts 22 distributed in front and back are rotatably connected to the left side of the test cavity 12, the rotating shafts 22 are connected through a first synchronous wheel and a first synchronous belt 23, and the tail end of the rotating shaft 22 is provided with a fan blade 24.

[0043] In the driving assembly for driving the lifting plate 13 on the lower side, the output shaft in the motor 17 is further connected with a rotating shaft 22 through a second synchronous wheel and a second synchronous belt 25.

[0044] When the driving assembly on the lower side works, the output shaft drives each rotating shaft 22 and the fan blade 24 to rotate through the second synchronous belt 25 and the first synchronous belt 23, and blows air on the clamped and working shock absorber to achieve cooling and simulation, and in addition, the left side of the test cavity 12 is provided with a breathable groove.

[0045] In the third embodiment of the durability test equipment of the shock absorber, in order to control the stroke range of the lifting plate 13 when the lifting plate 13 moves up and down, the rotating disc 18 comprises a disc body 31, a sliding groove extending towards the axis of the disc body 31 is arranged in the disc body 31, a sliding block 32 is slidably connected in the sliding groove, the hinged rod 19 is hinged to the sliding block 32, and a locking mechanism acting on the sliding block 32 is further arranged, and the closer the sliding block 32 is to the axis of the disc body 31, the smaller the stroke of the lifting plate 13 moving up and down when the disc body 31 rotates one circle, so that different specifications of shock absorbers can be adapted, and different working conditions can be simulated.

[0046] The locking mechanism comprises a through groove arranged at the bottom of the sliding groove, a second bolt is screwed into the sliding block 32, the second bolt penetrates through the through groove, and the head of the second bolt is attached to the left side of the disc body 31, and in addition, in order to further avoid the sliding of the sliding block 32 relative to the disc body 31, the sliding groove bottom and the bottom surface of the sliding block 32 are respectively provided with toothed patterns capable of being meshed with each other.

[0047] In summary, the position of the sliding block 32 can be adjusted to adjust the stroke of the lifting plate 13 moving up and down, the distance between the two lifting plates 13 can be adjusted by controlling the electric cylinder 21, different specifications of shock absorbers can be tested, and the up and down positions of the sliding rods 14 can be controlled by the staff to test a plurality of different specifications of shock absorbers at one time.

[0048] The above merely describes specific embodiments of the present application, but the technical features of the present application are not limited thereto, and any person skilled in the art can make changes or modifications in the field of the present application, and the changes or modifications are covered in the patent range of the present application.

Claims

1. A durability test apparatus for a shock absorber, comprising a load table (11), characterized by: The carrying table (11) is internally provided with a test cavity (12), two lifting plates (13) are slidably connected in the test cavity (12) in an up-down manner, and the two lifting plates (13) are both provided with a connecting assembly for being connected with a shock absorber; The connecting assembly is provided with multiple groups distributed in front and back, the connecting assembly comprises a sliding rod (14) and a locking piece, the sliding rod (14) is slidably connected in the lifting plate (13) in an up-down manner, the end surface of the sliding rod (14) is provided with two protruding plates (15), the locking piece comprises a No. 1 bolt penetrating through the two protruding plates (15) on the sliding rod (14), and a nut matched with the No. 1 bolt. Further comprising a locking assembly for locking the sliding rod (14), and two driving assemblies for controlling the up-down movement of the two lifting plates (13).

2. The durability test apparatus for a shock absorber according to claim 1, characterized by: The locking assembly comprises a through hole transversely arranged in the sliding rod (14), the through hole is distributed in an equal distance up-down manner, and a latch (16) penetrating through the through hole is screwed in the lifting plate (13).

3. The durability test apparatus for a shock absorber according to claim 1, characterized by: The driving assembly comprises a motor (17), a rotating disc (18) and a hinged rod (19), the rotating disc (18) is fixed on the output shaft extending out of the motor (17), the hinged rod (19) is eccentrically hinged to the rotating disc (18), and the other end of the hinged rod (19) is hinged to the lifting plate (13). The two hinged rods (19) are hinged to the sides of the two lifting plates (13) away from each other.

4. The durability test apparatus for a shock absorber according to claim 3, characterized by: In the driving assembly for driving the lifting plate (13) on the upper side, the motor (17) is fixed on a sliding plate (20), the sliding plate (20) is slidably connected to the left side of the test cavity (12) in an up-down manner, and the carrying table (11) is provided with an electric cylinder (21) for controlling the up-down position of the sliding plate (20).

5. The durability test apparatus for a shock absorber according to claim 3, characterized by: A plurality of rotating shafts (22) distributed in front and back are rotatably connected to the left side of the test cavity (12), the rotating shafts (22) are connected through a No. 1 synchronous wheel and a No. 1 synchronous belt (23), and the ends of the rotating shafts (22) are provided with fan blades (24). In the driving assembly for driving the lifting plate (13) on the lower side, the output shaft in the motor (17) is further connected with one of the rotating shafts (22) through a No. 2 synchronous wheel and a No. 2 synchronous belt (25).

6. The durability test apparatus for a shock absorber according to claim 3, characterized by: The rotating disc (18) comprises a disc body (31), the disc body (31) is internally provided with a sliding groove extending towards the axis of the disc body (31), a sliding block (32) is slidably connected in the sliding groove, the hinged rod (19) is rotatably hinged to the sliding block (32), and a locking mechanism acting on the sliding block (32) is further included.

7. A durability test apparatus for a shock absorber according to claim 6, characterized by: The locking mechanism comprises a through slot arranged at the bottom of the sliding groove, a No. 2 bolt is screwed in the sliding block (32), the No. 2 bolt penetrates through the through slot, and the head of the No. 2 bolt is attached to the left side of the disc body (31).

8. The durability test apparatus for a shock absorber according to claim 6, characterized by: The bottom of the sliding groove and the bottom surface of the sliding block (32) are respectively provided with toothed patterns capable of being engaged with each other.

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