Bicycle frame static load testing platform

Abstract

This utility model relates to the field of bicycle testing technology, specifically a bicycle frame static load testing platform, including a base plate, a frame fixedly connected to the top of the base plate, and fixed frames fixedly connected to both sides of the frame; an impact unit, the impact unit being disposed within the frame, the impact unit including a movable component disposed within the frame, a movable frame disposed within the movable component, a main body disposed within the movable frame, and an impact rod disposed within the main body for impacting the bicycle frame; the movable component is used to drive the main body to rise and fall; the movable component includes a movable frame disposed within the frame, a first motor fixedly connected within the movable frame, a screw fixedly connected to the drive end of the first motor, and the end of the screw rotatably connected to the movable frame; the movable component also includes a hydraulic rod fixedly connected to the outside of the frame. This bicycle frame static load testing platform can perform instantaneous damage testing in terms of impact.

Description

Technical Field

[0001] This utility model relates to the field of bicycle testing technology, specifically a bicycle frame static load testing platform. Background Technology

[0002] The bicycle frame static load test bench is a test platform specifically designed for bicycle frames that are placed statically. It evaluates the strength, stiffness, and structural stability of the frame by simulating static loads that may be borne in actual use, such as rider weight and cargo pressure, to ensure that the product meets safety standards.

[0003] Existing technologies for testing bicycle frames are mostly limited to applying loads in a fixed direction. However, in actual use, bicycles may encounter situations such as the front wheel violently impacting an obstacle or the top of the frame being subjected to the impact of a rider falling. Current testing technologies lack devices that can simulate these impact scenarios, making it difficult to realistically reproduce the sudden force state when the front wheel is impacted, as well as the instantaneous dynamic response process when the top of the frame is impacted. In other words, it is not easy to conduct instantaneous damage tests in terms of impact. Therefore, we propose a static load test bench for bicycle frames. Utility Model Content

[0004] One of the technical problems this application aims to solve is that it is not easy to conduct instantaneous damage tests in the event of an impact.

[0005] To solve the above technical problems, this application provides a bicycle frame static load test bench, including a base plate, a frame fixedly connected to the top of the base plate, and fixed frames fixedly connected to both sides of the frame;

[0006] The impact unit is disposed within a frame and includes a movable component disposed within the frame. A movable frame is disposed within the movable component, and a main body is disposed within the movable frame. An impact rod is disposed within the main body for impacting the vehicle frame. The movable component is used to drive the main body to move up and down.

[0007] In some embodiments, the movable component includes a movable frame disposed within a frame, a first motor fixedly connected within the movable frame, a screw fixedly connected to the drive end of the first motor, and the end of the screw rotatably connected to the movable frame.

[0008] In some embodiments, the movable component further includes a hydraulic rod fixedly connected to the outside of the frame, the drive end of the hydraulic rod passing through the frame and fixedly connected to the movable frame.

[0009] In some embodiments, the main body includes a mounting bracket disposed within a movable frame. The mounting bracket is threadedly connected to a screw. A mounting frame is fixedly connected between two mounting brackets. An impact rod is slidably inserted into the mounting frame. A first spring is sleeved on the impact rod. A mounting plate is fixedly connected to one end of the impact rod. An impact head is fixedly snapped onto the outside of the mounting plate. Limiting rods are fixedly connected to the top and bottom of the mounting plate. One end of each of the two limiting rods is slidably inserted into one of the two mounting brackets.

[0010] In some embodiments, the main body further includes a first toothed plate fixedly connected to the outside of the impact rod, a second toothed plate fixedly connected to the top of the first toothed plate, a second motor fixedly connected to the outside of the mounting frame, a gear fixedly connected to the drive end of the second motor, the gear meshing with the second toothed plate, a slide rod slidably inserted into the mounting frame, a locking block fixedly connected to the inner end of the slide rod, the locking block engaging with the first toothed plate, a pull handle fixedly connected to the outer end of the slide rod extending out of the mounting frame, a limiting rod fixedly connected to the outside of the locking block, the limiting rod penetrating the mounting frame, and a second spring sleeved on the slide rod.

[0011] In some embodiments, a box is fixedly connected to the top of the base plate, a third motor is fixedly connected to the box, a drive rod is fixedly connected to the drive end of the third motor, a rotating rod is fixedly connected to the outer end of the drive rod, a connecting rod is rotatably connected to the end of the rotating rod, a support plate is fixedly connected to the top of the base plate, a translation plate is slidably connected to the top of the support plate, and the translation plate is rotatably connected to the end of the connecting rod.

[0012] In some embodiments, the top of the translation plate is fixedly connected to two fixing plates, each of which has a fixing hole, and the two fixing plates are arranged opposite to each other.

[0013] This utility model has at least the following beneficial effects:

[0014] The impact unit is set in two groups. One group is set laterally to conduct impact tests on the front of the frame, while the other group is set laterally at the top to simulate the situation where the rider is lifted off the seat and then falls back into place and is impacted.

[0015] The translation plate moves back and forth in a straight line, which in turn causes the frame mounted on top of the translation plate to reciprocate and frequently impact, for conducting multiple active impact tests. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the moving part structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of the present utility model;

[0019] Figure 4 This is a partial structural diagram of the main body of this utility model;

[0020] Figure 5 This utility model Figure 4 Enlarged view of point A;

[0021] Figure 6 This is a schematic diagram of the translation plate structure of this utility model.

[0022] In the diagram: 1. Base plate; 2. Frame; 3. Fixing frame; 4. Impact unit; 5. Moving part; 6. Main body; 501. Moving frame; 502. First motor; 503. Screw; 504. Hydraulic rod; 601. Mounting bracket; 602. Mounting frame; 603. Impact rod; 604. First spring; 605. Mounting plate; 606. Impact head; 607. Limiting rod; 608. First toothed plate; 609. Second toothed plate; 610. Second motor; 611. Gear; 612. Slide rod; 613. Locking block; 614. Pull handle; 615. Limiting rod; 616. Second spring; 7. Box body; 8. Third motor; 9. Drive rod; 10. Rotating rod; 11. Connecting rod; 12. Support plate; 13. Translation plate; 14. Fixing plate; 15. Fixing hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0024] Please see Figures 1-6 This utility model provides a technical solution:

[0025] A bicycle frame static load test bench includes a base plate 1, a frame 2 fixedly connected to the top of the base plate 1, and fixed frames 3 fixedly connected to both sides of the frame 2. By setting the fixed frames 3, they can cooperate with the fixed plate 14 to fix the bicycle frame.

[0026] Impact unit 4 is disposed within frame 2. Impact unit 4 includes a movable part 5 disposed within frame 2. Movable frame 501 is disposed within movable part 5. Main body 6 is disposed within movable frame 501. Impact rod 603 is disposed within main body 6 for impacting the vehicle frame. Movable part 5 is used to drive main body 6 to rise and fall.

[0027] The movable component 5 includes a movable frame 501 disposed within the frame 2. A first motor 502 is fixedly connected inside the movable frame 501. A screw 503 is fixedly connected to the drive end of the first motor 502. The end of the screw 503 is rotatably connected to the movable frame 501.

[0028] The movable component 5 also includes a hydraulic rod 504 fixedly connected to the outside of the frame 2, the drive end of the hydraulic rod 504 passing through the frame 2 and fixedly connected to the movable frame 501;

[0029] It should be noted that the impact unit 4, which is used to test the front end of the frame, can be fitted with pulleys of existing technology at its bottom for sliding support of the impact unit 4 as a whole.

[0030] The main body 6 includes a mounting bracket 601 disposed within the movable frame 501. The mounting bracket 601 is threadedly connected to the screw 503. A mounting frame 602 is fixedly connected between the two mounting brackets 601. An impact rod 603 is slidably inserted into the mounting frame 602. A first spring 604 is sleeved on the impact rod 603. A mounting plate 605 is fixedly connected to one end of the impact rod 603. An impact head 606 is fixedly snapped onto the outside of the mounting plate 605. Limiting rods 607 are fixedly connected to the top and bottom of the mounting plate 605. One end of each of the two limiting rods 607 is slidably inserted into the two mounting brackets 601 respectively.

[0031] By setting the limit rod 607, the movement of the impact rod 603 can be limited to prevent deviation;

[0032] The main body 6 also includes a first toothed plate 608 fixedly connected to the outside of the impact rod 603. A second toothed plate 609 is fixedly connected to the top of the first toothed plate 608. A second motor 610 is fixedly connected to the outside of the mounting frame 602. A gear 611 is fixedly connected to the drive end of the second motor 610. The gear 611 meshes with the second toothed plate 609. A slide rod 612 is slidably inserted into the mounting frame 602. A locking block 613 is fixedly connected to the inner end of the slide rod 612. The locking block 613 engages with the first toothed plate 608. The outer end of the slide rod 612 extends out of the mounting frame 602 and is fixedly connected to a pull handle 614. A limiting rod 615 is fixedly connected to the outside of the locking block 613. The limiting rod 615 passes through the mounting frame 602. A second spring 616 is sleeved on the slide rod 612. It should be noted that when the second motor 610 is not driven, its drive end can rotate arbitrarily. This is prior art and will not be described in detail here.

[0033] By setting the limiting rod 615, the sliding rod 612 can be prevented from shifting, which would cause the locking block 613 and the first toothed plate 608 to not engage smoothly.

[0034] In use, the frame is first installed on the translation plate 13 and secured with two fixing plates 14 and a fixing frame 3 using existing bolts and cables. Then, the hydraulic rod 504 is activated to move the moving frame 501 into place. Next, the first motor 502 is activated, driving the screw 503 to rotate. The screw 503 then moves the moving frame 501 up and down to accommodate different frame sizes. Then, the second motor 610 is activated, driving the gear 611 to rotate, which in turn moves the impact rod 603, impact head 606, first toothed plate 608, and second toothed plate 609. 09 The whole unit moves outward. At the same time, the high-strength first spring 604 is compressed. Simultaneously, the first toothed plate 608 pushes the locking block 613. When the second motor 610 stops driving, the locking block 613 will lock the first toothed plate 608, thereby locking the impact rod 603 in place. At this time, the high-strength first spring 604 is charged. Then, the pull handle 614 is pulled to disengage the locking block 613 from the first toothed plate 608. At this time, the high-strength first spring 604 deforms back to its original position, causing the impact rod 603 and the impact head 606 to impact the front end of the frame at high speed to simulate an impact scenario.

[0035] The impact unit 4 is set in two groups. One group is set laterally to conduct impact tests on the front end of the frame, while the other group is set laterally at the top to simulate the situation where the rider is lifted off the seat and then falls back into place, causing an instantaneous impact. Example 2

[0036] Please see Figure 1 and Figure 6 This utility model provides a technical solution:

[0037] Unlike Embodiment 1, a box 7 is fixedly connected to the top of the base plate 1, a third motor 8 is fixedly connected inside the box 7, a drive rod 9 is fixedly connected to the drive end of the third motor 8, a rotating rod 10 is fixedly connected to the outer end of the drive rod 9, a connecting rod 11 is rotatably connected to the end of the rotating rod 10, a support plate 12 is fixedly connected to the top of the base plate 1, a translation plate 13 is slidably connected to the top of the support plate 12, and the translation plate 13 is rotatably connected to the end of the connecting rod 11.

[0038] The third motor 8 drives the drive rod 9 to rotate, which in turn drives the rotating rod 10 to rotate. The rotating rod 10 then drives the connecting rod 11 to rotate, which in turn drives the translation plate 13 to reciprocate linearly. This causes the frame mounted on the top of the translation plate 13 to reciprocate and frequently impact, conducting multiple impact tests.

[0039] It should be noted that when the impact rod 603 is actively impacted, it will cause the impact rod 603 to move. Since the first toothed plate 608 and the locking block 613 are unidirectionally locked, the locking block 613 and the first toothed plate 608 will not be damaged by force. Similarly, the follow-up locking of the first toothed plate 608 and the locking block 613 can provide a certain resistance to the impact rod 603 to simulate the active impact scenario.

[0040] The top of the translation plate 13 is fixedly connected to two fixing plates 14, each of which has a fixing hole 15, and the two fixing plates 14 are arranged opposite to each other.

[0041] By setting the fixing plate 14 and fixing holes 15, existing bolts and cables can be tied to the outside of the frame for fixing the frame for testing.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A static load testing bench for bicycle frames comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a frame (2), and both sides of the frame (2) are fixedly connected to a fixing frame (3). Impact unit (4), the impact unit (4) is disposed within the frame (2), the impact unit (4) includes a movable part (5) disposed within the frame (2); The movable component (5) is provided with a movable frame (501), and the movable frame (501) is provided with a main body component (6). The main body (6) is provided with an impact rod (603) for impacting the frame, and the moving part (5) is used to drive the main body (6) to rise and fall.

2. The static load testing stand for a bicycle frame as claimed in claim 1, characterized in that: The movable component (5) includes a movable frame (501) disposed within the frame (2). A first motor (502) is fixedly connected inside the movable frame (501). A screw (503) is fixedly connected to the drive end of the first motor (502). The end of the screw (503) is rotatably connected to the movable frame (501).

3. The static load testing stand for a bicycle frame as defined in claim 1, characterized in that: The movable component (5) also includes a hydraulic rod (504) fixedly connected to the outside of the frame (2), the driving end of the hydraulic rod (504) passing through the frame (2) and fixedly connected to the movable frame (501).

4. The static load testing stand for a bicycle frame as defined in claim 1, characterized in that: The main body (6) includes a mounting bracket (601) disposed in a movable frame (501). The mounting bracket (601) is threadedly connected to a screw (503). A mounting frame (602) is fixedly connected between the two mounting brackets (601). An impact rod (603) is slidably inserted into the mounting frame (602). A first spring (604) is provided on the outer sleeve of the impact rod (603). A mounting plate (605) is fixedly connected to one end of the impact rod (603). An impact head (606) is fixedly snapped onto the outside of the mounting plate (605). Limiting rods (607) are fixedly connected to the top and bottom of the mounting plate (605). One end of each of the two limiting rods (607) is slidably inserted into the two mounting brackets (601).

5. The static load testing station for a bicycle frame as defined in claim 4, wherein: The main body (6) also includes a first toothed plate (608) fixedly connected to the outside of the impact rod (603), a second toothed plate (609) fixedly connected to the top of the first toothed plate (608), a second motor (610) fixedly connected to the outside of the mounting frame (602), a gear (611) fixedly connected to the drive end of the second motor (610), the gear (611) meshing with the second toothed plate (609), a slide rod (612) slidably inserted into the mounting frame (602), a locking block (613) fixedly connected to the inner end of the slide rod (612), the locking block (613) engaging with the first toothed plate (608), the outer end of the slide rod (612) extending out of the mounting frame (602) and fixedly connected to a pull handle (614), a limiting rod (615) fixedly connected to the outside of the locking block (613), the limiting rod (615) penetrating the mounting frame (602), and a second spring (616) sleeved on the slide rod (612).

6. The static load testing stand for a bicycle frame according to claim 1, characterized in that: A box (7) is fixedly connected to the top of the base plate (1). A third motor (8) is fixedly connected inside the box (7). A drive rod (9) is fixedly connected to the drive end of the third motor (8). A rotating rod (10) is fixedly connected to the outer end of the drive rod (9). A connecting rod (11) is rotatably connected to the end of the rotating rod (10). A support plate (12) is fixedly connected to the top of the base plate (1). A translation plate (13) is slidably connected to the top of the support plate (12). The translation plate (13) is rotatably connected to the end of the connecting rod (11).

7. The static load testing station for a bicycle frame as defined in claim 6, wherein: The top of the translation plate (13) is fixedly connected to two fixing plates (14), and each of the two fixing plates (14) has a fixing hole (15) and the two fixing plates (14) are arranged opposite to each other.

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