Compression resistance stability testing machine for bicycle rim
By designing hydraulic adjustment components and support buffer components, the problem of increased internal stress on the wheel rim due to fixed equipment was solved, enabling more accurate compressive stability testing.
Patent Information
- Application Number
- CN202423295855.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing bicycle rim compression stability testing machines use fixing rods and top plates for support during the fixing process, which may increase the internal stress of the rim and affect the accuracy of the test results.
The system employs hydraulic adjustment components and support buffer components, which reduce internal stress in the wheel rim through elastic support, provide movable space, and ensure the accuracy of the test.
It significantly reduces internal stress in the wheel rim, improves the accuracy of test data, and ensures that test results truly reflect the performance of the wheel rim under actual use conditions.
Smart Images
Figure CN223815235U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of compression resistance and stability testing machine, concretely is a bicycle rim compression resistance and stability testing machine. BACKGROUND
[0002] The bicycle rim compression resistance and stability testing machine is a kind of testing equipment specially used to evaluate the strength and stability of bicycle rim when bearing pressure and impact, it carries out accurate test to the durability and safety of rim material by simulating various load conditions in actual riding, to ensure the reliability and performance of bicycle rim in actual use;
[0003] The testing machine must be equipped with firm fixing device to ensure that bicycle rim remains stationary during testing process, does not move or rotate, because any displacement can lead to inaccurate test result;
[0004] However, the existing fixing equipment usually uses fixing rod and top plate to provide support when fixing bicycle rim, this support mode can increase the stress inside rim, thereby interfering with the authenticity of test result during testing process, so that data cannot accurately reflect the actual performance of rim, therefore, a kind of bicycle rim compression resistance and stability testing machine is provided for the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of bicycle rim compression resistance and stability testing machine, to solve the problem that some fixing equipment usually uses fixing rod and top plate to provide support when fixing bicycle rim, this support mode can increase the stress inside rim, thereby interfering with the authenticity of test result during testing process, so that data cannot accurately reflect the actual performance of rim.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A bicycle rim compression stability test machine, comprising a support, a servo motor, an electric cylinder and a hammer, the left side of the support is fixedly connected with a servo motor, the inner side of the support is fixedly connected with an electric cylinder, one side of the electric cylinder is fixedly connected with a hammer, the inner side of the support is rotatably connected with a hydraulic adjusting assembly, the right end of the hydraulic adjusting assembly is fixedly connected with a supporting and buffering assembly, the hydraulic adjusting assembly comprises a rotating drum, the inner side of the rotating drum is provided with a first movable column groove, a second movable column groove and a ventilation hole, the left end of the first movable column groove provided in the rotating drum is fixedly connected with an electric telescopic rod, the right side of the electric telescopic rod is fixedly connected with a first rubber plate, the left end of the second movable column groove provided in the rotating drum is fixedly connected with a first spring, one side of the first spring is fixedly connected with a second rubber plate, the inner side of the second movable column groove provided in the rotating drum is fixedly connected with a first electromagnetic valve, the supporting and buffering assembly comprises a rubber arc plate, one side of the rubber arc plate is fixedly connected with a supporting hard plate, one side of the supporting hard plate is fixedly connected with a double-column sliding rod, the outer side of the double-column sliding rod is slidably connected with a fixed cylinder, one side of the fixed cylinder is fixedly connected with an oil pipe, the inner side of the oil channel provided in the fixed cylinder is fixedly connected with a second electromagnetic valve, the outer side of the fixed cylinder is slidably connected with a guide sliding rod, one side of the double-column sliding rod is fixedly connected with a second spring.
[0008] As a further optimization of the utility model, wherein: the outer side of the rotating drum is fixedly connected with a limiting rotating groove, the rotating drum is embeddedly installed on the inner side of the support, the rotating drum is rotatably connected with the limiting rotating groove of the support through the limiting rotating ring, and the left side of the rotating drum is fixedly connected with the right side of the servo motor.
[0009] As a further optimization of the utility model, wherein: the inner side of the right end of the rotating drum is hollow, the first movable column groove is communicated with one end of the second movable column groove through the inner side of the rotating drum, the oil pipe is fixedly connected on the inner side of the right end of the rotating drum, and the inner side of the oil pipe is communicated with the inner side of the right end of the rotating drum.
[0010] As a further optimization of the utility model, wherein: the outer side of the first rubber plate is attached to the inner side of the first movable column groove provided in the rotating drum, the outer side of the second rubber plate is attached to the inner side of the second movable column groove provided in the rotating drum, one end of the second movable column groove is communicated with the inner side of the ventilation hole, one end of the first movable column groove is communicated with the inner side of the ventilation hole, and the ventilation hole penetrates the inner side of the rotating drum.
[0011] As a further optimization of the utility model, wherein: one side of the fixed cylinder is fixedly connected with a connecting block, the connecting block of the fixed cylinder is fixedly connected with the right side of the rotating drum, the shape of the double-column sliding rod is a hollow cylinder, one side of the rubber arc plate is attached to the inner side of the rim body, the rim body is sleeved on the outer side of the plurality of supporting and buffering assemblies, and the rim body is aligned with the hammer up and down.
[0012] As the further optimization of the utility model, wherein: the fixed cylinder is close to the one end of double column slide rod is through structure, the shape of double column slide rod is solid cylinder at both ends, the outer side of double column slide rod close to the inner side of fixed cylinder is fixedly connected with sealing ring, the sealing ring of double column slide rod and the inner side of fixed cylinder are pasted.
[0013] As the further optimization of the utility model, wherein: the inner side of fixed cylinder is communicated with the inner side of oil duct through oil duct, the one side of guide slide rod and the one side of support hard board are fixedly connected, the outer side of fixed cylinder close to guide slide rod is fixedly connected with inner hollow block, the shape of guide slide rod is two section different diameter cylinder.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] In the utility model, the hydraulic adjusting assembly and the support buffering assembly are arranged, the device provides movable space for the rim body when the rim body is impacted through the elastic support mode, the stress in the rim body can be significantly reduced when the rim body is subjected to compression stability test, the interference of the rim performance evaluation in the test process is reduced, the accuracy of the test data is improved, the test result more truly reflects the performance of the rim under actual use conditions through the design, and the reliability of the test and the safety of the bicycle rim are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is overall structure schematic view of the utility model;
[0017] Figure 2 It is sectional structure schematic view of the utility model support;
[0018] Figure 3 It is sectional structure schematic view of the utility model rotating cylinder;
[0019] Figure 4 It is support buffering assembly structure schematic view of the utility model;
[0020] Figure 5 It is sectional structure schematic view of the utility model fixed cylinder.
[0021] In the drawing: 1, support;2, servo motor;3, electric cylinder;4, hammer;
[0022] 5, hydraulic adjusting assembly;51, rotating cylinder;52, electric telescopic rod;53, first spring;54, first movable column groove;55, second movable column groove;56, air hole;57, first rubber plate;58, second rubber plate;59, first electromagnetic valve;
[0023] 6, support buffer assembly; 61, rubber arc plate; 62, support hard plate; 63, double column slide rod; 64, fixed cylinder; 65, oil pipe; 66, oil passage; 67, second electromagnetic valve; 68, guide slide rod; 69, second spring;
[0024] 7, wheel body. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0026] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0027] Please refer to Figures 1-5 The present application provides a technical solution:
[0028] A bicycle rim compression stability test machine, comprising a support 1, a servo motor 2, an electric cylinder 3 and a hammer 4, the left side of the support 1 is fixedly connected with the servo motor 2, the inner side of the support 1 is fixedly connected with the electric cylinder 3, one side of the electric cylinder 3 is fixedly connected with the hammer 4, the inner side of the support 1 is rotatably connected with a hydraulic adjusting assembly 5, the right end of the hydraulic adjusting assembly 5 is fixedly connected with a supporting and buffering assembly 6, the hydraulic adjusting assembly 5 comprises a rotating drum 51, the inner side of the rotating drum 51 is provided with a first movable column groove 54, a second movable column groove 55 and a ventilation hole 56, the left end of the first movable column groove 54 provided in the rotating drum 51 is fixedly connected with an electric telescopic rod 52, the right side of the electric telescopic rod 52 is fixedly connected with a first rubber plate 57, the left end of the second movable column groove 55 provided in the rotating drum 51 is fixedly connected with a first spring 53, one side of the first spring 53 is fixedly connected with a second rubber plate 58, the inner side of the second movable column groove 55 provided in the rotating drum 51 is fixedly connected with a first electromagnetic valve 59, the supporting and buffering assembly 6 comprises a rubber arc plate 61, one side of the rubber arc plate 61 is fixedly connected with a supporting hard plate 62, one side of the supporting hard plate 62 is fixedly connected with a double-column sliding rod 63, the outer side of the double-column sliding rod 63 is slidably connected with a fixed cylinder 64, one side of the fixed cylinder 64 is fixedly connected with an oil pipe 65, the inner side of an oil channel 66 provided in the fixed cylinder 64 is fixedly connected with a second electromagnetic valve 67, the outer side of the fixed cylinder 64 is slidably connected with a guide sliding rod 68, one side of the double-column sliding rod 63 is fixedly connected with a second spring 69.
[0029] As a further implementation of the scheme, the outer side of the rotating drum 51 is fixedly connected with a limiting rotating groove, the rotating drum 51 is embeddedly installed on the inner side of the support 1, the rotating drum 51 is rotatably connected with the limiting rotating groove of the support 1 through the limiting rotating ring, the left side of the rotating drum 51 is fixedly connected with the right side of the servo motor 2, the whole hydraulic adjusting assembly 5 is driven to rotate by the servo motor 2, so that the bicycle rim body 7 rotates, so that the compression detection of any part of the bicycle rim body 7 can be performed, and the convenience of the detection of the bicycle rim body 7 is improved.
[0030] As a further implementation of the scheme, the inner side of the right end of the rotating drum 51 is hollow, the first movable column groove 54 is communicated with one end of the second movable column groove 55 through the inner side of the rotating drum 51, the oil pipe 65 is fixedly connected on the inner side of the right end of the rotating drum 51, the inner side of the oil pipe 65 is communicated with the inner side of the right end of the rotating drum 51, so that the hydraulic oil in the inside of the fixed cylinder 64 can be communicated with the inside of the rotating drum 51 through the oil pipe 65.
[0031] As a further implementation of the present scheme, the outer side of the first rubber plate 57 is attached to the inner side of the first movable column groove 54 of the rotating drum 51, the outer side of the second rubber plate 58 is attached to the inner side of the second movable column groove 55 of the rotating drum 51, one end of the second movable column groove 55 is in communication with the inner side of the air hole 56, one end of the first movable column groove 54 is in communication with the inner side of the air hole 56, the air hole 56 penetrates the inner side of the rotating drum 51, and the second movable column groove 55 and the device inside the second movable column groove 55 provide a moving buffer space for the hydraulic oil caused by the detection of the wheel body 7.
[0032] As a further implementation of the present scheme, the fixed cylinder 64 is fixedly connected with a connecting block on one side, the connecting block of the fixed cylinder 64 is fixedly connected with the right side of the rotating drum 51, the double-column slide rod 63 is in the shape of a hollow cylinder, the rubber arc plate 61 is attached to the inner side of the wheel body 7 on one side, the wheel body 7 is sleeved on the outer side of the plurality of support and buffer assemblies 6, the wheel body 7 is aligned with the hammer 4 up and down, and the design of the two electric cylinders 3 and the hammer 4 provides a stable support point for the wheel body 7 when it is impacted, thereby improving the effectiveness of the wheel detection.
[0033] As a further implementation of the present scheme, the fixed cylinder 64 is in a penetrating structure near one end of the double-column slide rod 63, the double-column slide rod 63 is in the shape of a solid cylinder at both ends, the double-column slide rod 63 is fixedly connected with a sealing ring on the outer side near the inner side of the fixed cylinder 64, the sealing ring of the double-column slide rod 63 is attached to the inner side of the fixed cylinder 64, the inner side of the fixed cylinder 64 is in communication with the inner side of the oil channel 66 and the oil pipe 65 through the oil channel 66, the guide slide rod 68 is fixedly connected with the support hard plate 62 on one side, the fixed cylinder 64 is fixedly connected with an empty block on the outer side near the guide slide rod 68, the guide slide rod 68 is in the shape of a cylinder with two different diameters, and through the support of the plurality of support and buffer assemblies 6, the wheel body 7 can be stably suspended at the lower end of the hammer 4, and through the distance buffer of the support and buffer assembly 6, the stress of the wheel body 7 during detection can be greatly reduced, and the accuracy of the detection data can be improved.
[0034] Workflow: When supporting the rim body 7, close the first electromagnetic valve 59 to block the right end of the second movable column groove 55, open the second electromagnetic valve 67, start the electric telescopic rod 52 to drive the first rubber plate 57 to move left, when the first rubber plate 57 moves left, the hydraulic oil in the right end of the rotating drum 51 is extracted, the hydraulic oil in the fixed cylinder 64 enters the inside of the rotating drum 51 through the oil pipe 65, under the action of negative pressure, the double column slide rod 63 slides to the inside of the fixed cylinder 64, the double column slide rod 63 moves to drive the supporting hard plate 62 and the rubber arc plate 61 to move, the supporting hard plate 62 drives the guide slide rod 68 to move, the guide slide rod 68 slides in the hole block inside the fixed cylinder 64, which can improve the stability of the supporting hard plate 62 and the rubber arc plate 61 when moving, at this time, the multiple rubber arc plates 61 move to the center of the rotating drum 51 respectively, and at the same time, when the first rubber plate 57 moves, the air outside enters one end of the first movable column groove 54 through the air hole 56, which can relieve the pressure in the first movable column groove 54, at this time, close the second electromagnetic valve 67, and put the rim body 7 outside the multiple rubber arc plates 61, start the electric telescopic rod 52 to push the first rubber plate 57 to move right, at this time, the hydraulic oil in the first movable column groove 54 and the inside of the rotating drum 51 enters the inside of the fixed cylinder 64 through the oil pipe 65 and the oil passage 66, so as to realize the effect that the multiple double column slide rods 63 move to the direction of the rim body 7 at the same time, after the multiple rubber arc plates 61 clamp the rim body 7, at this time, the support of the rim body 7 is completed, and then the first electromagnetic valve 59 is opened.
[0035] When the rim body 7 is subjected to compression resistance test, the upper end and the lower end of the support 1 are provided with electric cylinders 3 and hammers 4 at the same time, the hammers 4 are driven by the electric cylinders 3 to move quickly to the rim body 7, so as to impact the rim body 7, when the upper end of the rim body 7 is impacted, the lower end electric cylinder 3 is started to drive the hammer 4 to adhere to the bottom end of the rim body 7, and the second electromagnetic valve 67 at the lowest end is started to close, so that after the upper end hammer 4 impacts the rim body 7, the rim body 7 can be prevented from moving downward, after the deformation of the rim body 7, the front end and the rear end of the rim body 7 will expand, under the action of the elastic force of the second spring 69, the double column slide rod 63 moves to the outside of the fixed cylinder 64, at this time, under the action of the first spring 53 pushing the second rubber plate 58 to move right, the hydraulic oil enters the inside of the fixed cylinder 64, so as to provide stable support for the rim body 7, the arc design of the rubber arc plate 61 improves the stability of the support of the rim body 7, in summary, when the device is subjected to compression resistance test, the stress in the rim is greatly reduced, the interference in the detection of the rim body 7 is reduced, and the accuracy of the detection data is improved.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A bicycle rim compression stability testing machine, comprising a bracket (1), a servo motor (2), an electric cylinder (3), and a hammer (4), characterized in that: A servo motor (2) is fixedly connected to the left side of the bracket (1), an electric cylinder (3) is fixedly connected to the inside of the bracket (1), a hammer (4) is fixedly connected to one side of the electric cylinder (3), a hydraulic adjustment component (5) is rotatably connected to the inside of the bracket (1), and a support buffer component (6) is fixedly connected to the right end of the hydraulic adjustment component (5). The hydraulic adjustment assembly (5) includes a rotary drum (51). The rotary drum (51) has a first movable groove (54), a second movable groove (55), and a vent (56) on its inner side. An electric telescopic rod (52) is fixedly connected to the left end of the first movable groove (54) of the rotary drum (51), and a first rubber plate (57) is fixedly connected to the right side of the electric telescopic rod (52). A first spring (53) is fixedly connected to the left end of the second movable groove (55) of the rotary drum (51), and a second rubber plate (58) is fixedly connected to one side of the first spring (53). The inner side of the second movable groove (55) of the rotary drum (51) is fixedly connected to… There is a first solenoid valve (59), the support buffer assembly (6) includes a rubber arc plate (61), a support hard plate (62) is fixedly connected to one side of the rubber arc plate (61), a double column slide rod (63) is fixedly connected to one side of the support hard plate (62), a fixed cylinder (64) is slidably connected to the outside of the double column slide rod (63), an oil pipe (65) is fixedly connected to one side of the fixed cylinder (64), a second solenoid valve (67) is fixedly connected to the inside of the oil passage (66) opened in the fixed cylinder (64), a guide slide rod (68) is slidably connected to the outside of the fixed cylinder (64), and a second spring (69) is fixedly connected to one side of the double column slide rod (63).
2. The bicycle rim compression stability testing machine according to claim 1, characterized in that: The outer side of the rotating cylinder (51) is fixedly connected to a limiting groove. The rotating cylinder (51) is embedded in the inner side of the bracket (1). The rotating cylinder (51) is rotatably connected to the limiting groove of the bracket (1) through a limiting rotating ring. The left side of the rotating cylinder (51) is fixedly connected to the right side of the servo motor (2).
3. The bicycle rim compression stability testing machine according to claim 1, characterized in that: The inner side of the right end of the rotating drum (51) is hollow. The first movable column groove (54) is connected to one end of the second movable column groove (55) through the inner side of the rotating drum (51). The oil pipe (65) is fixedly connected to the inner side of the right end of the rotating drum (51). The inner side of the oil pipe (65) is connected to the inner side of the right end of the rotating drum (51).
4. The bicycle rim compression stability testing machine according to claim 1, characterized in that: The outer side of the first rubber plate (57) is in contact with the inner side of the first movable groove (54) opened in the rotating cylinder (51), the outer side of the second rubber plate (58) is in contact with the inner side of the second movable groove (55) opened in the rotating cylinder (51), one end of the second movable groove (55) is connected to the inner side of the vent hole (56), one end of the first movable groove (54) is connected to the inner side of the vent hole (56), and the vent hole (56) penetrates the inner side of the rotating cylinder (51).
5. A bicycle rim compression stability testing machine according to claim 1, characterized in that: A connecting block is fixedly connected to one side of the fixed cylinder (64). The connecting block of the fixed cylinder (64) is fixedly connected to the right side of the rotating cylinder (51). The double-column slide rod (63) is a hollow cylinder. One side of the rubber arc plate (61) is attached to the inner side of the wheel rim body (7). The wheel rim body (7) is sleeved on the outside of multiple support buffer components (6). The wheel rim body (7) is aligned vertically with the hammer (4).
6. The bicycle rim compression stability testing machine according to claim 1, characterized in that: The fixed cylinder (64) has a through structure at one end near the double-column slide rod (63). The double-column slide rod (63) is a cylinder with solid ends. A sealing ring is fixedly connected to the outer side of the double-column slide rod (63) near the inner side of the fixed cylinder (64). The sealing ring of the double-column slide rod (63) is in contact with the inner side of the fixed cylinder (64).
7. A bicycle rim compression stability testing machine according to claim 1, characterized in that: The inner side of the fixed cylinder (64) is connected to the inner side of the oil pipe (65) through the oil passage (66). One side of the guide slide rod (68) is fixedly connected to one side of the support hard plate (62). An inner hollow block is fixedly connected to the outer side of the fixed cylinder (64) near the guide slide rod (68). The guide slide rod (68) is in the shape of two cylinders with different diameters.