CN214793809U

CN214793809U - Static strength testing device of electric balance car

Info

Publication number: CN214793809U
Application number: CN202121001182.6U
Authority: CN
Inventors: 谢剑锋; 唐玲; 何江
Original assignee: Hunan Quality Supervision And Inspection Institute Commodities
Current assignee: Hunan Quality Supervision And Inspection Institute Commodities
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-19
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a static strength test device of electrodynamic balance car, including place the platform, pendulum rod, lifter and be used for making the drive mechanism that the lifter goes up and down, one side of place the platform is equipped with bracing piece, opposite side and is equipped with the mounting bracket, and the lifter activity is worn to locate in the mounting bracket, and the one end of pendulum rod is articulated with the top of bracing piece, the other end is connected with the top of lifter. The static strength testing device of the electric balance car has the advantages of simple structure, convenience in operation, low manufacturing cost and the like.

Description

Static strength testing device of electric balance car

Technical Field

The utility model relates to an electrodynamic balance car detects technical field, especially relates to an electrodynamic balance car static strength testing arrangement.

Background

The electric balance car has entered our lives as a common leisure and entertainment tool, and the quantity of the electric balance car is steadily improved. After the electric balance car is produced, a static strength test needs to be carried out, and 9.3.2 test methods in GB/T34668 and 2017 safety requirement and test method for electric balance cars are as follows: "for a seatless motorized balance car, at room temperature, a static load three times the manufacturer's specified upper weight limit is applied to the foot pedal center store through a support (e.g., a wood block, etc.) having a cross-sectional dimension of 102mm × 254 mm. Gradually apply and hold for 30s over 5 s. If the foot pedal has two or more pieces or consists of multiple parts, the applied load should be equally distributed at the center of each piece or each part in the above-described manner. For a motorized balance with a seat, a static load three times the manufacturer's specified upper weight limit should be applied at the seat center point in the same manner. ".

The maximum load of the electric balance car is generally specified to be 100kg, and three times of the maximum load is 300 kg. Such a weight load is difficult to apply directly by hand with a heavy weight. However, no device specially used for testing the static strength of the electric balance car exists at present.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a static strength test device of electrodynamic balance car simple structure, convenient operation and low in manufacturing cost.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a static strength test device of electrodynamic balance car, includes place the platform, pendulum rod, lifter and is used for making the actuating mechanism that the lifter goes up and down, one side of place the platform is equipped with the bracing piece, the opposite side is equipped with the mounting bracket, the lifter activity is worn to locate in the mounting bracket, the one end of pendulum rod is articulated with the top of bracing piece, the other end is connected with the top of lifter.

As a further improvement of the above technical solution:

the top end of the lifting rod is provided with an elastic telescopic piece, and the swing rod is connected with the elastic telescopic piece.

The elastic expansion piece is a spring.

The driving mechanism comprises a rotating handle, and the rotating handle is in threaded connection with the lifting rod and is positioned below the mounting frame.

The mounting rack is a U-shaped rack with a downward opening.

The device for testing the static strength of the electric balance car further comprises a cushion frame, and the swing rod is pressed on a pedal plate of the electric balance car through the cushion frame.

The cushion frame comprises a cross rod and two vertical rods, sliding parts and pressing plates used for being abutted to the pedal plates are arranged at two ends of the vertical rods respectively, and the sliding parts are arranged on the cross rod in a sliding mode.

The pole setting is including the flexible post of adjusting and the flexible adjusting collar that cup joints each other, be equipped with the locking piece that is used for locking both between flexible post of adjusting and the flexible adjusting collar.

The cross rod is abutted to the swing rod.

The cross rod is fixedly connected with the swing rod.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an electrodynamic balance car static strength testing arrangement, during the test, place the electrodynamic balance car on place the platform, then rotate the auxiliary pad on the running-board of electrodynamic balance car, press the pendulum rod on the auxiliary pad again, make the lifter descend through drive mechanism, thereby make the pendulum rod push down the auxiliary pad, the auxiliary pad transmits the pushing down force of pendulum rod for the running-board, for the electrodynamic balance car provides the dead load, after the test is accomplished, rethread drive mechanism makes the lifter rise, remove the pushing down effect of pendulum rod to the auxiliary pad, it can to remove auxiliary pad and electrodynamic balance car again. The static strength testing device of the electric balance car has the advantages of simple structure, convenience in operation and low manufacturing cost.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure at the first viewing angle of the device for testing static strength of electric balance car of the present invention.

Fig. 2 is a schematic view of the second viewing angle of the static strength testing device of the electric balance car.

The reference numerals in the figures denote:

1. placing a platform; 2. a swing rod; 3. a lifting rod; 31. an elastic extensible member; 4. a support bar; 5. a mounting frame; 6. rotating the handle; 7. a cushion frame; 71. a cross bar; 72. erecting a rod; 721. a telescopic adjusting column; 722. a telescopic adjusting sleeve; 723. a locking member; 73. a slider; 74. pressing a plate; 8. an electric balance car; 81. a foot pedal.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

Fig. 1 and fig. 2 show the utility model discloses an embodiment of the static strength testing arrangement of electrodynamic balance car, this static strength testing arrangement of electrodynamic balance car includes place the platform 1, pendulum rod 2, lifter 3 and is used for making the drive mechanism that lifter 3 goes up and down, and one side of place the platform 1 is equipped with bracing piece 4, the opposite side is equipped with mounting bracket 5, and the mounting bracket 5 is worn to locate in the lifter 3 activity, and the one end of pendulum rod 2 is articulated with the top of bracing piece 4, and the other end is connected with the top of lifter 3. During the test, place electrodynamic balance car 8 on place platform 1, then rotate the auxiliary pad on electrodynamic balance car 8's running-board 81, press pendulum rod 2 on the auxiliary pad again, make lifter 3 descend through drive mechanism to make pendulum rod 2 push down the auxiliary pad, the auxiliary pad transmits the overdraft of pendulum rod 2 for running-board 81, for electrodynamic balance car 8 provides the dead load, after the test is accomplished, rethread drive mechanism makes lifter 3 rise, remove the push down effect of pendulum rod 2 to the auxiliary pad, it can to remove auxiliary pad and electrodynamic balance car 8 again. The static strength testing device of the electric balance car has the advantages of simple structure, convenience in operation and low manufacturing cost.

In this embodiment, the top end of the lifting rod 3 is provided with an elastic expansion piece 31, and the swing rod 2 is connected with the elastic expansion piece 31. The elastic expansion member 31 has an elastic expansion function and a force buffering function, for example, the elastic expansion member 31 is a spring. The top end of the lifting rod 3 is connected with the swing rod 2 through the elastic telescopic piece 31, so that the swing rod 2 cannot cause rigid extrusion to the electric balance car 8 in the pressing process, and the electric balance car 8 is protected.

In this embodiment, drive mechanism includes twist grip 6,

twist grip

6 and 3 threaded connection of lifter, and be located mounting bracket 5 below. The lifting rod 3 is a threaded rod, the rotating handle 6 is abutted to the mounting frame 5, and the lifting rod 3 can be descended by rotating the rotating handle 6. The driving mechanism is simple in structure and convenient to process.

In this embodiment, the mounting frame 5 is a U-shaped frame with a downward opening. The lifting rod 3 is arranged in the top arm of the U-shaped frame in a penetrating way in a lifting way, and the rotating handle 6 is positioned below the top arm of the U-shaped frame. The bottom end of the U-shaped frame is fixed on the placing platform 1, for example, fixed on the placing platform 1 by welding or bolts.

In this embodiment, the device for testing the static strength of the electric balance car further comprises a cushion frame 7, and the swing rod 2 is pressed on the pedal 81 of the electric balance car 8 through the cushion frame 7. During testing, because the swing rod 2 and the pedal 81 of the electric balance car 8 have a height difference, the cushion frame 7 (auxiliary cushion) is arranged between the swing rod 2 and the pedal 81 of the electric balance car 8 in a cushioning manner, so that the testing requirement is met.

In this embodiment, the cushion frame 7 includes a cross bar 71 and two upright bars 72, two ends of the upright bars 72 are respectively provided with a sliding member 73 and a pressing plate 74 for abutting against the pedal 81, and the sliding member 73 is slidably disposed on the cross bar 71. The two vertical rods 72 can slide along the cross rod 71 through the sliding piece 73 to adjust the distance, so that the test bed is suitable for the test of the electric balance cars 8 with different lengths.

In this embodiment, the vertical rod 72 includes a telescopic adjusting column 721 and a telescopic adjusting sleeve 722 that are sleeved with each other, and a locking member 723 for locking the telescopic adjusting column 721 and the telescopic adjusting sleeve 722 is disposed therebetween. The pole setting 72 of this structure has flexible regulatory function, can adjust the overall length promptly to be applicable to the electrodynamic balance car 8 test of co-altitude not and use. Specifically, the telescopic adjusting column 721 is provided with a plurality of radial through holes distributed at regular intervals along the length direction, the side wall of the telescopic adjusting sleeve 722 is provided with a plurality of through holes distributed at regular intervals along the length direction, the locking member 723 is a locking pin, the sliding member 73 is a sliding sleeve and is fixed at the top end of the telescopic adjusting column 721, the pressing plate 74 is fixed at the lower end of the telescopic adjusting sleeve 722, the bottom end of the telescopic adjusting column 721 is inserted into the top end of the telescopic adjusting sleeve 722, and the locking member 723 is inserted into the corresponding radial through holes and the through holes.

In this embodiment, the cross bar 71 abuts against the swing lever 2. The cross bar 71 and the swing bar 2 are in a split structure, when a load test is applied, the press plate 74 of the cushion frame 7 is supported on the pedal 81 of the electric balance car 8, and the middle part of the swing bar 2 is pressed on the cross bar 71. In other embodiments, the cross bar 71 is fixedly connected to the swing rod 2, for example, the middle of the cross bar 71 is welded or hinged to the middle of the swing rod 2, so that the two are connected into a whole. Of course, the cross bar 71 and the swing rod 2 may also be slidably connected, so as to adjust the position of the cross bar 71 to adapt to the position change of the electric balance car 8.

In this embodiment, the pressure sensor is arranged on the support rod 4, so that a real-time pressure value can be measured.

The static strength testing device of the electric balance car adopts a labor-consuming lever principle (the swing rod 2 is a lever), can adapt to the requirements of various sizes of the electric balance car 8, and applies the load force specified in the test to the electric balance car 8 in a mode of pressing down the swing rod 2. The pressure is applied to the cushion frame 7 by applying a downward pulling force to one end of the swing rod 2 far away from the support rod 4. The pulling force of one end of the swing rod 2 far away from the supporting rod 4 is generated by pulling the lifting rod 3 downwards. In order to stably apply downward tension to the end, far away from the support rod 4, of the swing rod 2, the lifting rod 3 is connected with the swing rod 2 through a spring, and therefore good linear relation between the pull-down distance of the lifting rod 3 and the pressure applied to the cushion frame 7 is guaranteed. Through hard thick stick, safe efficient provides pressure load, uses lifter 3 to drive 2 pushes down of pendulum rod simultaneously, further can amplify pressure.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a static strength test device of electrodynamic balance car which characterized in that: including place platform (1), pendulum rod (2), lifter (3) and be used for making the drive mechanism that lifter (3) go up and down, one side of place platform (1) is equipped with bracing piece (4), opposite side and is equipped with mounting bracket (5), during mounting bracket (5) was worn to locate in lifter (3) activity, the one end of pendulum rod (2) is articulated with the top of bracing piece (4), the other end is connected with the top of lifter (3).

2. The electrodynamic balance car static strength test device of claim 1, characterized in that: the top end of the lifting rod (3) is provided with an elastic telescopic piece (31), and the swing rod (2) is connected with the elastic telescopic piece (31).

3. The electrodynamic balance car static strength testing device of claim 2, characterized in that: the elastic expansion piece (31) is a spring.

4. The electrodynamic balance car static strength test device of claim 1, characterized in that: the driving mechanism comprises a rotating handle (6), and the rotating handle (6) is in threaded connection with the lifting rod (3) and is located below the mounting frame (5).

5. The electrodynamic balance car static strength test device of claim 1, characterized in that: the mounting rack (5) is a U-shaped rack with a downward opening.

6. The electrodynamic balance car static strength test apparatus of any one of claims 1 to 5, characterized in that: the static strength testing device of the electric balance car further comprises a cushion frame (7), and the swing rod (2) is pressed on a pedal plate (81) of the electric balance car (8) through the cushion frame (7).

7. The electrodynamic balance car static strength testing device of claim 6, characterized in that: the cushion frame (7) comprises a cross rod (71) and two vertical rods (72), sliding parts (73) and pressing plates (74) used for being abutted to the foot pedals (81) are respectively arranged at two ends of the vertical rods (72), and the sliding parts (73) are arranged on the cross rod (71) in a sliding mode.

8. The electrodynamic balance car static strength testing device of claim 7, characterized in that: the upright rod (72) comprises a telescopic adjusting column (721) and a telescopic adjusting sleeve (722) which are mutually sleeved, and a locking piece (723) used for locking the telescopic adjusting column (721) and the telescopic adjusting sleeve (722) is arranged between the telescopic adjusting column (721) and the telescopic adjusting sleeve (722).

9. The electrodynamic balance car static strength testing device of claim 7, characterized in that: the cross rod (71) is abutted against the swing rod (2).

10. The electrodynamic balance car static strength testing device of claim 7, characterized in that: the cross rod (71) is fixedly connected with the swing rod (2).