Commercial vehicle seat damping equipment testing device

Abstract

The utility model belongs to the technical field of test devices, and particularly relates to a commercial vehicle seat damping equipment test device, which comprises a test board and a damper, the lower side wall of the test board is in sliding connection with a floating plate, a reciprocating lifting mechanism is arranged below the floating plate and is used for driving the floating plate to lift in a reciprocating manner, and the damper is connected with the test board. A connecting assembly is mounted above the floating plate, the connecting assembly comprises a plurality of fixed seats and a plurality of groups of sliding seats distributed from top to bottom, the bottom ends of the fixed seats are fixedly mounted on the upper surface of the floating plate, and lower connecting columns are fixedly connected to the upper side walls of the fixed seats; according to the utility model, the upper connecting column and the lower connecting column are matched with the shock absorber in an inserted manner, the bottom end of the shock absorber is limited through the clamp, the shock absorber is prevented from falling off during testing, the reciprocating lifting mechanism drives the shock absorber to circularly stretch out and draw back for fatigue testing, the shock absorber does not need to be assembled to a seat, and multiple groups of shock absorbers can be tested at a time; the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a kind of commercial vehicle seat shock absorbing equipment test device. BACKGROUND

[0002] The shock absorber inside the commercial vehicle seat is a device used to reduce the vibration and impact generated during vehicle driving, thereby improving the comfort of the driver. It is usually composed of spring, damper and other components, which absorbs and dissipates vibration energy through elastic deformation and damping effect, so that the seat can follow the movement of the vehicle relatively smoothly, effectively reducing the vibration of the driver's body and reducing fatigue

[0003] If the shock absorber installed in the commercial vehicle seat is tested by complete assembly, the live simulation effect can be achieved, and the test result is accurate, but the drawbacks are that the shock absorber needs to be completely assembled into the seat, and after the fatigue test is completed, the seat is generally scrapped, the test efficiency is low, and the overall effect is not good. Therefore, a commercial vehicle seat shock absorbing equipment test device is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the shortcomings of the prior art and solve the technical problems mentioned above, the utility model provides a commercial vehicle seat shock absorbing equipment test device.

[0005] The utility model discloses a kind of commercial vehicle seat shock absorbing equipment test devices, including test table and shock absorber, the lower side wall of the test table is slidably connected with floating plate, the lower of the floating plate is equipped with reciprocating lifting mechanism for driving floating plate reciprocating lifting, the upper of the floating plate is equipped with connecting assembly, the connecting assembly includes several fixed seats and several groups of sliding seats distributed from top to bottom, the bottom end of the fixed seat is fixedly installed on the upper surface of floating plate, the upper side wall of the fixed seat is fixedly connected with lower connecting column, the sliding seat is slidably connected with test table, the number of each group of sliding seat is same with the number of fixed seat, the side wall of the sliding seat is fixedly connected with upper connecting column, the upper connecting column and lower connecting column respectively pass through the upper and lower mounting holes of shock absorber, the surface of the fixed seat is equipped with clamp, and the clamp is used to limit shock absorber.

[0006] Preferably, the reciprocating lifting mechanism includes a reduction motor, the bottom end of the reduction motor is fixedly connected with the test table, the drive end of the reduction motor is fixedly connected with a rotating disc, the lower side wall of the test table is provided with an opening corresponding to the rotating disc, the rotating disc is rotatably connected with the opening, the outer wall of the rotating disc is rotatably connected with a swing arm at a non-center position, and the top end of the swing arm is rotatably connected with the floating plate.

[0007] Preferably, the clamp comprises a sliding frame, one end of the sliding frame is fixedly connected with the fixed base, the surface of the sliding frame is slidably connected with two T-shaped clamping blocks, and the surface of the clamping block is provided with a through hole for the lower connecting column to pass through.

[0008] Preferably, the lower side walls of the two clamping blocks are commonly threadedly connected with a bidirectional lead screw, and one end of the bidirectional lead screw is rotatably connected with the fixed base.

[0009] Preferably, the lower connecting column passes through one of the clamping blocks, and a gap is left between the lower connecting column and the other clamping block.

[0010] Preferably, the outer side of the shock absorber is provided with a limiting frame, the surface of the limiting frame is provided with a V-shaped limiting groove, and one end of the limiting frame is fixedly connected with the test table.

[0011] Preferably, the outer side wall of the test table is slidably connected with a protective cover, the inner top wall of the protective cover is fixedly connected with a servo motor, the driving end of the servo motor is fixedly connected with an adjusting lead screw, and the outer wall of the adjusting lead screw is threadedly connected with the test table.

[0012] Preferably, the protective cover is made of transparent material, and the transparent material is polycarbonate or acrylic.

[0013] Preferably, the inner side wall of the protective cover is fixedly connected with a limiting protrusion.

[0014] The utility model discloses the beneficial effect lies in:

[0015] 1. The utility model discloses a upper connecting column and lower connecting column are inserted with shock absorber cooperation, and through the clamp to the bottom of shock absorber is positioned, prevents the shock absorber from falling off when testing, and reciprocating lifting mechanism drives the fatigue test of shock absorber cyclic extension and contraction, and shock absorber does not need to assemble to seat, and single -time can test to multiple shock absorbers, improves test efficiency.

[0016] 2. The utility model discloses a plurality of slide seats distributed from top to bottom, can select the slide seat of corresponding height according to the length difference of shock absorber, thereby can adjust the interval between upper connecting column and lower connecting column according to shock absorber, and be suitable for the test demand of shock absorber of various lengths. ACCURATE DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the test bench structure schematic view of the utility model;

[0020] Figure 3 It is the connecting assembly structure schematic view of the utility model;

[0021] Figure 4 It is the utility model Figure 3 A place enlarged view of the utility model;

[0022] Figure 5 It is the protective cover structure schematic view of the utility model.

[0023] In the drawing: 1, test bench;2, floating plate;3, reciprocating lifting mechanism;31, speed reducer motor;32, rotary disc;33, swing arm;4, connecting assembly;41, fixed seat;42, lower connecting column;44, sliding seat;45, upper connecting column;46, clamp;461, sliding frame;462, clamping block;463, bidirectional screw;5, shock absorber;6, protective cover;7, servo motor;8, adjusting screw;9, limiting frame;10, limiting groove;11, limiting protrusion. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 As shown in the drawing, a kind of commercial vehicle seat shock absorbing equipment testing device, including test bench 1 and shock absorber 5, the lower side wall of test bench 1 is slidably connected with floating plate 2, reciprocating lifting mechanism 3 is installed in the lower of floating plate 2 for driving floating plate 2 reciprocating lifting, connecting assembly 4 is installed on the upper of floating plate 2, connecting assembly 4 includes several fixed seats 41 and several groups of sliding seats 44 distributed from top to bottom, the bottom end of fixed seat 41 is fixedly installed on the upper surface of floating plate 2, the upper side wall of fixed seat 41 is fixedly connected with lower connecting column 42, sliding seat 44 is slidably connected with test bench 1, the number of each group of sliding seat 44 is same with the number of fixed seat 41, the side wall of sliding seat 44 is fixedly connected with upper connecting column 45, upper connecting column 45 and lower connecting column 42 respectively pass through the upper and lower mounting hole of shock absorber 5, the surface of fixed seat 41 is installed with clamp 46, clamp 46 is positioned with shock absorber 5.

[0026] Specifically, during testing, the mounting hole at the upper end of the shock absorber 5 of the commercial vehicle seat is passed through the upper connecting column 45, the mounting hole at the lower end of the shock absorber 5 is passed through the lower connecting column 42, the floating plate 2 is driven to reciprocate by the reciprocating lifting mechanism 3, the floating plate 2 drives the lower connecting column 42 to reciprocate when the floating plate 2 reciprocates, the lower connecting column 42 drives the shock absorber 5 to extend and retract when the lower connecting column 42 reciprocates, the shock absorber 5 does not need to be assembled to the seat, and a plurality of groups of shock absorbers 5 can be tested at a time, the test efficiency is improved, and through the plurality of sliding seats 44 distributed from top to bottom, corresponding height sliding seats 44 can be selected according to the length of the shock absorber 5, and during specific use, the sliding seat 44 of the group is slid to the upper side of the fixed seat 41 for use, and the sliding seats 44 of the remaining height groups remain on the left side, so that the distance between the upper connecting column 45 and the lower connecting column 42 can be adjusted according to the shock absorber 5, and the test requirements of shock absorbers 5 of various lengths are suitable, and after the two ends of the shock absorber 5 are inserted into the connecting column and the lower connecting column 42, the clamp 46 is used to limit the bottom end of the shock absorber 5 to prevent the shock absorber 5 from falling off during testing.

[0027] The reciprocating lifting mechanism 3 comprises a speed reducer motor 31, the speed reducer motor 31 integrates a motor and a speed reducer, has a compact structure, has a power output function of the motor, and can realize the effects of speed reduction and torque increase through the speed reducer, the speed reducer motor 31 belongs to the prior art and will not be described here, the bottom end of the speed reducer motor 31 is fixedly connected with the test bench 1, the driving end of the speed reducer motor 31 is fixedly connected with a rotating disc 32, the lower side wall of the test bench 1 is provided with an opening corresponding to the rotating disc 32, the rotating disc 32 is rotationally connected with the opening, a swing arm 33 is rotationally connected with the outer wall of the rotating disc 32 at a position other than the center of the rotating disc 32, the top end of the swing arm 33 is rotationally connected with the floating plate 2, the speed reducer motor 31 is electrically connected with a controller, the controller is electrically connected with a timer, the controller is used to control the operation of the speed reducer motor 31, and the timer can achieve the effect of timing test.

[0028] Specifically, after the shock absorber 5 is installed, the controller is used to control the operation of the speed reducer motor 31, the speed reducer motor 31 drives the rotating disc 32 to rotate, the rotating disc 32 drives the swing arm 33 to reciprocate, the swing arm 33 drives the floating plate 2 to reciprocate, and the effect of testing the shock absorber 5 is achieved.

[0029] The clamp 46 comprises a sliding frame 461, one end of the sliding frame 461 is fixedly connected with the fixed seat 41, the surface of the sliding frame 461 is slidably connected with two T-shaped clamping blocks 462, the surface of the clamping block 462 is provided with a through hole for the lower connecting column 42 to pass through, the lower side walls of the two clamping blocks 462 are threadedly connected with a bidirectional screw rod 463, one end of the bidirectional screw rod 463 is rotationally connected with the fixed seat 41, the lower connecting column 42 passes through one of the clamping blocks 462, and a gap is left between the lower connecting column 42 and the other clamping block 462.

[0030] Specifically, before the shock absorber 5 is installed, the two clamping blocks 462 are moved in opposite directions by rotating the bidirectional screw rod 463, so that one of the lower connecting columns 42 and one of the clamping blocks 462 have a gap, so that the bottom end of the shock absorber 5 can be inserted into the lower connecting column 42 from the gap. After the shock absorber 5 is installed, the two clamping blocks 462 are moved in the same direction by reversely rotating the bidirectional screw rod 463, so that the two clamping blocks 462 move to the outside of the lower connecting column 42 until they abut against the bottom end of the shock absorber 5, achieving the effect of limiting the shock absorber 5 and preventing the shock absorber 5 from falling off during testing.

[0031] The outer side of the shock absorber 5 is provided with a limiting frame 9, and the surface of the limiting frame 9 is provided with a V-shaped limiting groove 10. One end of the limiting frame 9 is fixedly connected with the test bench 1.

[0032] Specifically, when the shock absorber 5 is installed, the shock absorber 5 is placed in the limiting groove 10, and the limiting frame 9 is used to limit the shock absorber 5 to prevent the shock absorber 5 from tilting excessively during testing.

[0033] The outer side wall of the test bench 1 is slidably connected with a protective cover 6. The inner top wall of the protective cover 6 is fixedly connected with a servo motor 7. The driving end of the servo motor 7 is fixedly connected with an adjusting screw rod 8. The outer wall of the adjusting screw rod 8 is threadedly connected with the test bench 1. The controller is electrically connected with the servo motor 7.

[0034] Specifically, the controller controls the operation of the servo motor 7, the servo motor 7 drives the adjusting screw rod 8 to rotate, the adjusting screw rod 8 drives the protective cover 6 to slide upward to open the test bench 1, facilitating the installation or removal of the shock absorber 5. During testing, the servo motor 7 drives the adjusting screw rod 8 to reverse rotation, so that the protective cover 6 descends until the bottom end abuts against the test bench 1. The protective cover 6 and the test bench 1 are combined to protect the shock absorber 5 from being damaged by the splashes of the broken fragments during testing, thereby improving the safety during testing.

[0035] The protective cover 6 is made of transparent material, which is polycarbonate, acrylic or explosion-proof glass.

[0036] Specifically, the operator can observe the testing condition of the shock absorber 5 in real time through the protective cover 6.

[0037] The inner side wall of the protective cover 6 is fixedly connected with a limiting protrusion 11.

[0038] Specifically, after the protective cover 6 is lowered, the limiting protrusion 11 limits the sliding seat 44 on the left side, so as to prevent the sliding seat 44 on the left side from sliding to the right side and colliding with the shock absorber 5, thereby achieving the effect of automatic limiting.

[0039] The parts not involved in the device are the same as or can be realized by the existing technology.

[0040] The working principle is that the mounting hole at the upper end of the shock absorber 5 of the commercial vehicle seat is passed through the upper connecting column 45, the mounting hole at the lower end of the shock absorber 5 is passed through the lower connecting column 42, the controller is controlled to control the operation of the speed reducer motor 31, the speed reducer motor 31 drives the rotating disc 32 to rotate, the rotating disc 32 drives the swing arm 33 to reciprocatingly lift and lower, the swing arm 33 pulls the floating plate 2 to reciprocatingly lift and lower, the floating plate 2 drives the lower connecting column 42 to lift and lower when reciprocatingly lifting and lowering, and the lower connecting column 42 drives the shock absorber 5 to stretch and retract to perform fatigue testing, the shock absorber 5 does not need to be assembled to the seat, and a plurality of groups of shock absorbers 5 can be tested at a time, the test efficiency is improved, and through the plurality of sliding seats 44 distributed from top to bottom, corresponding height sliding seats 44 can be selected according to the length of the shock absorber 5, and in specific use, the sliding seat 44 of the group is slid to the right to the upper side of the fixed seat 41 for use, and the sliding seats 44 of the remaining height groups remain on the left side, so that the distance between the upper connecting column 45 and the lower connecting column 42 can be adjusted according to the shock absorber 5, and the test requirements of the shock absorber 5 of various lengths are suitable, after the two ends of the shock absorber 5 are inserted into the connecting column and the lower connecting column 42, the two clamping blocks 462 are driven to move synchronously and oppositely by reversely rotating the bidirectional screw rod 463, so that the two clamping blocks 462 move to the outer side of the lower connecting column 42 until abutting against the bottom end of the shock absorber 5, the limiting effect of the shock absorber 5 is achieved, and the shock absorber 5 is prevented from falling off during testing.

[0041] During testing, the servo motor 7 drives the adjusting screw rod 8 to reversely rotate, so that the protective cover 6 is lowered until the bottom end abuts against the test table 1, protection is performed through cooperation of the protective cover 6 and the test table 1, debris splashed during fracture of the shock absorber 5 during testing is avoided from damaging the test personnel, the safety during testing is improved, and the sliding seat 44 on the left side is limited by the limiting protrusion 11, the sliding seat 44 on the left side is avoided from sliding to the right side and colliding with the shock absorber 5, and the automatic limiting effect is achieved.

[0042] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The basic principle, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A commercial vehicle seat damping device test device comprising a test bench (1) and a damper (5), characterized in that: The lower side wall of the test bench (1) is slidably connected with a floating plate (2), a reciprocating lifting mechanism (3) is installed below the floating plate (2) and used for driving the floating plate (2) to reciprocate and lift, a connecting assembly (4) is installed above the floating plate (2), the connecting assembly (4) comprises a plurality of fixing seats (41) and a plurality of groups of sliding seats (44) distributed from top to bottom, the bottom end of the fixing seat (41) is fixedly installed on the upper surface of the floating plate (2), the upper side wall of the fixing seat (41) is fixedly connected with a lower connecting column (42), the sliding seat (44) is slidably connected with the test bench (1), the number of each group of sliding seats (44) is the same as that of the fixing seat (41), the side wall of the sliding seat (44) is fixedly connected with an upper connecting column (45), the upper connecting column (45) and the lower connecting column (42) pass through the upper and lower mounting holes of a shock absorber (5) respectively, the surface of the fixing seat (41) is provided with a clamp (46), and the clamp (46) is used for limiting the shock absorber (5).

2. The commercial vehicle seat shock device test device of claim 1, characterized by: The reciprocating lifting mechanism (3) comprises a speed reducer motor (31), the bottom end of the speed reducer motor (31) is fixedly connected with the test bench (1), the driving end of the speed reducer motor (31) is fixedly connected with a rotating disc (32), the lower side wall of the test bench (1) is provided with an opening corresponding to the rotating disc (32), the rotating disc (32) is rotatably connected with the opening, and the outer wall of the rotating disc (32) is rotatably connected with a swing arm (33) at a position away from the center.

3. The commercial vehicle seat shock device test device of claim 1, characterized by: The clamp (46) comprises a sliding frame (461), one end of the sliding frame (461) is fixedly connected with the fixing seat (41), and the surface of the sliding frame (461) is slidably connected with two T-shaped clamping blocks (462).

4. The commercial vehicle seat damping device test device of claim 3, characterized in that: The lower side walls of the two clamping blocks (462) are threadedly connected with a bidirectional lead screw (463), and one end of the bidirectional lead screw (463) is rotatably connected with the fixing seat (41).

5. The commercial vehicle seat damping device test device of claim 4, characterized in that: The lower connecting column (42) passes through one of the clamping blocks (462), and a gap is formed between the lower connecting column (42) and the other clamping block (462).

6. The commercial vehicle seat damping device test device of claim 1, characterized by: The outer side of the shock absorber (5) is provided with a limiting frame (9), the surface of the limiting frame (9) is provided with a V-shaped limiting groove (10), and one end of the limiting frame (9) is fixedly connected with the test bench (1).

7. The commercial vehicle seat damping device test device of claim 1, characterized by: The outer side wall of the test bench (1) is slidably connected with a protective cover (6), the inner top wall of the protective cover (6) is fixedly connected with a servo motor (7), the driving end of the servo motor (7) is fixedly connected with an adjusting lead screw (8), and the outer wall of the adjusting lead screw (8) is threadedly connected with the test bench (1).

8. The commercial vehicle seat damping device test device of claim 7, characterized in that: The protective cover (6) is made of transparent material, and the transparent material is polycarbonate, acrylic or explosion-proof glass.

9. The commercial vehicle seat damping device test device of claim 7, characterized in that: The inner side wall of the protective cover (6) is fixedly connected with a limiting protrusion (11).

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