CN211373984U

CN211373984U - Frame hook jaw fork bone vibration fatigue testing machine

Info

Publication number: CN211373984U
Application number: CN202020122452.8U
Authority: CN
Inventors: 蒋惠明
Original assignee: Geant China Co ltd
Current assignee: Geant China Co ltd; Giant China Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-08-28
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a frame hook jaw fork vibration fatigue testing machine, which comprises a frame, a vibration providing device, a positioning device, a counterweight, a position sensor, a detection result output device and a control system, wherein the positioning device is arranged on the frame, the vibration providing device drives the positioning device to vibrate on the frame, the positioning device can fix and position a hook jaw of a frame, the fork jaw of the frame extends in a suspension state, the counterweight can be disassembled and fixedly arranged on the frame fork, the position sensor is fixedly arranged on the frame, the position sensor can sense the end position of the frame fork jaw and transmit information to the control system, the control system can calculate and analyze frame hook jaw fork vibration fatigue data and output the data through the detection result output device, and the control system can also control the vibration providing device to run, the utility model realizes the fatigue test of the frame hook jaw and fork jaw combination part, the improvement and reinforcement of the unqualified design of the fatigue test are facilitated for a factory, and the fatigue strength of the product is ensured.

Description

Frame hook jaw fork bone vibration fatigue testing machine

Technical Field

The utility model relates to a bicycle frame check out test set, in particular to frame colludes claw wishbone vibrations fatigue testing machine.

Background

At present, the frame strength test standards in ISO4210-2015, JIS-2000 and GB3565 only comprise frame integral tests, such as frame impact fatigue, frame horizontal fatigue, frame vertical fatigue, frame foot treading fatigue and frame front fork combination impact tests, and strength design tests are not carried out on local parts of a frame, but the combined parts of a claw and a fork bone of the frame fed back in the actual market also have a case of cracking or even breaking.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a frame colludes claw wishbone vibrations fatigue testing machine, this frame collude claw wishbone vibrations fatigue testing machine can solve the frame and collude the unable test of claw wishbone local strength and verify the defect, promote the integrality of frame strength test.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a frame colludes claw wishbone vibrations fatigue testing machine, includes that frame, vibration provide device, positioner, counter weight, position sensor, testing result output device and control system, positioner installs in the frame, and the vibration provides the device drive positioner vibration in the frame, and positioner can the claw that colludes of fixed positioning frame, and the wishbone of frame is unsettled state and extends, and fixed mounting that the counter weight can be dismantled is on the frame wishbone, and position sensor fixed mounting is in the frame, and position sensor can respond to frame wishbone tip position and signal in control system, and control system can calculate analysis frame collude claw wishbone vibrations fatigue data and export through testing result output device, and control system can also control vibrations provide the device operation.

As a further improvement of the utility model, the vibration provides the device and includes motor and eccentric wheel, the eccentric wheel can be around horizontal axis pivoted installing in the frame, and the motor drive eccentric wheel is rotatory, and positioner can go up and down gliding to install in the frame, and the positioner lower extreme tightly supports eccentric wheel circumference outside surface, and control system control motor moves.

As a further improvement, the fixed guide pillar connector and the toper eccentric surface that are equipped with a radial evagination on the eccentric wheel, positioner can only slide along vertical direction and set for the cover of distance and locate on the guide pillar connector, and positioner is last to be equipped with one that can adjust along eccentric wheel axial position and to tight portion, should support tight portion and can tightly support the toper eccentric surface of eccentric wheel.

As a further improvement, the fixed amplitude adjustment chi that is equipped with in the frame still, the amplitude scale has been marked on the amplitude adjustment chi, be equipped with on the positioner can with the amplitude adjustment chi on the reading sign that the amplitude scale corresponds.

As the utility model discloses a further improvement, positioner is including adjustment platform and anchor clamps, and the adjustment platform can go up and down gliding installation in the frame, and anchor clamps can wind vertical axis pivoted and install on the adjustment platform, and anchor clamps can press from both sides tightly and loosen the frame and collude the claw.

As a further improvement of the utility model, the position sensor is electromagnetic induction switch, and the fixed mounting that the frame colludes claw fork bone tip can be dismantled has the response piece, electromagnetic induction switch can with response piece magnetic force induction.

As the utility model discloses a further improvement still is equipped with the wishbone connecting rod that length can stretch out and draw back the adjustment, the fixed connection that wishbone connecting rod one end and wishbone tip can be dismantled, response piece fixed mounting in the wishbone connecting rod other end.

As the utility model discloses a further improvement still is equipped with switch base, switch altitude mixture control pole and locking connecting piece, the installation that switch base can be fixed is in the frame, and the installation that switch altitude mixture control pole can go up and down is on switch base, and locking connecting piece can be with arbitrary position switch altitude mixture control pole and switch base fixed positioning, and position sensor fixed mounting is on switch altitude mixture control pole.

As a further improvement, control system includes counter or time-recorder, and positioner vibration number of times can be calculated to the counter, and positioner vibration test time can be calculated to the time-recorder, and control system still includes the treater, and counter or time-recorder biography are in the treater, and position sensor page or leaf biography is in the treater, and the signal calculation analysis frame colludes claw fork bone vibrations fatigue data that the treater can be transmitted according to counter or time-recorder and position sensor.

As a further improvement of the present invention, the control system further comprises a speed controller, the speed controller can control the rotation speed of the motor, and the speed controller signals the processor.

The utility model has the advantages that: the utility model discloses a through fixing the frame colludes the claw on positioner, make the wishbone unsettled and install the counter weight of high accuracy, the eccentric wheel rotary drive that the motor drive amplitude can be debugged colludes the claw vibrations from top to bottom, simulate consumer's actual use state and the frame colludes the stress condition at claw wishbone position, when colluding claw wishbone fracture, highly sensitive position inductor can respond to the wishbone that the position descends and stop equipment operation and automatically record test data, the utility model discloses a design introduction is simple, is a miniature advanced automatic frame colludes claw wishbone vibrations fatigue testing machine, and the treater adjusts the cam rotational speed through the speed controller that can debug, realizes the count of vibrations number through the automatic counter, realizes that the treater carries out the computational analysis, the utility model discloses a fatigue test that frame colludes claw and wishbone combination position, makes things convenient for the mill to carry out the reinforcement improvement to the unqualified design of, ensure product fatigue strength, avoid the frame that the consumer leads to because of vibrations in the process of riding to collude claw and the fork bone combination position fracture damage, adopt the utility model discloses afterwards, the new product test qualification rate of frame promotes to 80% by 70%; the number of market complaints is reduced from 2 to 0; the customer compensation is reduced by 2 ten thousand per year, so that the customer satisfaction is greatly improved, the whole vehicle frame detection technology is improved, the product is safer, and the customer is more secure.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the control system of the present invention;

fig. 3 is a front view of a control panel of the control system of the present invention;

FIG. 4 is a perspective view of the eccentric wheel of the present invention;

FIG. 5 is a schematic diagram of the positioning device of the present invention;

fig. 6 is a mounting state diagram of the present invention.

Detailed Description

Example (b): the utility model provides a 5 vibrations fatigue testing machines of claw 4 wishbone are colluded to frame, includes that frame 1, vibration provide device, positioner, counter weight 2, position sensor, testing result output device and control system 3, positioner installs in frame 1, and the vibration provides the device drive positioner vibration in frame 1, and positioner can fix a position the frame collude claw 4, and the wishbone 5 of frame is unsettled state extension, and fixed mounting that counter weight 2 can be dismantled is on frame wishbone 5, and position sensor fixed mounting is on

frame

1, and 5 tip positions of frame wishbone can be responded to the position sensor and the signal is in control system 3, and control system 3 can calculate and analyze the frame collude 5 vibrations fatigue data of claw 4 wishbone and export through the testing result output device, and control system 3 can also control vibrations provide the device operation.

When the fatigue of the frame hook claw 4 and the fork bone 5 of the bicycle is tested, the frame hook claw 4 is fixedly positioned on the positioning device, the fork bone 5 is in a suspended state, the counterweight 2 is installed on the fork bone 5 to simulate the weight borne by the fork bone 5 in the operation process, the counterweight 2 can be a high-precision V-shaped adjustable load weight with the precision of 1.9 +/-0.1 kg, the weight can clamp the fork bone 5 in a two-piece clamping mode to be fixed with the fork bone 5, and the fork bone 5 is just accommodated in a V-shaped groove of the weight.

The test process is as follows: according to actual consumer's user state and atress mode, the safe reasonable test standard and the method of formulating, it assembles with bicycle lug to collude 4 wishbone 5 assembly earlier, it colludes 4 positions of claw and location your device fixed position again, can be for clamping mechanism location, or fix with screw locking, fix 1.9 KG's counter weight 2 on the wishbone 5 of colluding 4 central 200mm, then open the vibration providing device, vibration test under the specified vibration condition, vibration providing device shut down after the test is accomplished, 1 test cycle is accomplished, if in the test process, when the sample takes place to split or fracture, the wishbone 5 tip positions of sample can surpass the vibration region, be sensed by meeting position inductor, equipment can auto-stop, and the test number of times when taking notes to shut down.

The utility model provides a simple structure, it is convenient to detect, the brand-new equipment of automatic test and shut down, can realize that the frame colludes 4 forked bones of claw 5 and shakes fatigue test, make things convenient for the mill to collude the intensity at 5 positions of 4 forked bones of claw according to test result reinforcement frame, avoid the cracked market risk in this position, this fatigue test machine is the global 1 st platform and is used for detecting the frame and colludes the automatic check out test set of 5 vibration fatigue degrees of 4 forked bones of claw, and successfully leading-in use, one set of complete operation has been formulated simultaneously, the maintenance, maintenance and test standard's file, it is international to have concerned, the integrality of trade and national standard.

The vibration providing device comprises a motor and an eccentric wheel 7, the eccentric wheel 7 can be installed on the rack 1 in a rotating mode around a horizontal shaft, the motor drives the eccentric wheel 7 to rotate, the positioning device can be installed on the rack 1 in a lifting sliding mode, the lower end of the positioning device tightly abuts against the outer side surface of the circumference of the eccentric wheel 7, and the control system 3 controls the motor to operate. The motor drives the eccentric wheel 7 to rotate, and then drives the positioning device to move up and down, so that the hook claw 4 vibrates with set amplitude and frequency, and a shockproof foot 6 can be arranged at the lower end of the rack 1 to prevent the vibration test from damaging equipment.

The eccentric wheel 7 is fixedly provided with a guide pillar connector 8 protruding outwards in the radial direction and a conical eccentric surface 9 positioning device, the guide pillar connector 8 can only slide along the vertical direction for a set distance, the positioning device is provided with a tight abutting part 10 capable of being adjusted along the axial position of the eccentric wheel 7, and the tight abutting part 10 can tightly abut against the surface of the conical eccentric surface 9 of the eccentric wheel 7. According to the requirements of a frame design engineer, the abutting part 10 on the positioning device is adjusted to abut against the foundation at different positions of the conical eccentric surface 9 on the eccentric wheel 7, so that the height of the eccentric wheel 7 is adjusted, the amplitude of the hook claw 4 is adjusted, the motor is restarted and the rotating speed of the motor is adjusted, the control system 3 can automatically record the vibration times, and finally, when the vibration test of the equipment meets the set requirements, the equipment is automatically stopped.

The frame 1 is further fixedly provided with an amplitude adjusting ruler 11, amplitude scales are marked on the amplitude adjusting ruler 11, and a reading mark which can correspond to the amplitude scales on the amplitude adjusting ruler 11 is arranged on the positioning device. The reading mark on the positioning device corresponds to the amplitude scale on the amplitude adjusting ruler 11, so that the amplitude of the hook claw 4 can be visualized, and the reading is convenient.

The positioning device comprises an adjusting table 12 and a clamp 13, wherein the adjusting table 12 can be installed on the rack 1 in a lifting sliding mode, the clamp 13 can be installed on the adjusting table 12 in a rotating mode around a vertical shaft, and the clamp 13 can clamp and loosen the frame hook 4. Be used for adjusting platform 12 to realize 360 positioning adjustment of positioner, realize colluding the quick location of claw 4 through anchor clamps 13, anchor clamps 13 can be the 4 locking mechanism of claw that collude that have diameter and length can debug, satisfy the difference and collude the fixed of claw 4 thickness, can be provided with the rectangular shape slide that extends along 5 length direction of wishbone on the adjusting platform 12, anchor clamps 13 can be followed the gliding location of rectangular shape slide on adjusting platform 12, realize the regulation of wishbone 5 along its length direction position.

The position sensor is an electromagnetic induction switch 14, an induction sheet 15 is fixedly mounted at the end part of the fork 5 of the frame hook claw 4 in a detachable mode, and the electromagnetic induction switch 14 can be in magnetic induction with the induction sheet 15. When the fork 5 of the claw 4 is broken, the induction sheet 15 at the end of the fork 5 descends along with the fork 5 to contact the electromagnetic induction switch 14, the electromagnetic induction switch 14 is communicated with the control system 3 in an electric connection mode, the control system 3 stops vibration detection after receiving product breakage information, and records and outputs detection data, such as vibration times, vibration amplitude, vibration frequency and the like.

Still be equipped with the wishbone connecting rod 16 that length can stretch out and draw back the adjustment, the fixed connection that wishbone connecting rod 16 one end and wishbone 5 tip can be dismantled, response piece 15 fixed mounting in the wishbone connecting rod 16 other end. Realize the regulation of response piece 15 positions through 16 length adjustment of wishbone connecting rod, make it to be located directly over the position inductor, 16 length adjustment modes of wishbone connecting rod can link up for two connecting rods pass through the intermediate head plug grafting, realize the regulation of 16 whole lengths of wishbone connecting rod through the depth of insertion of difference, adjust accomplish the back locking can.

The switch height adjusting device is characterized by further comprising a switch base 17, a switch height adjusting rod and a stop connecting piece, wherein the switch base 17 can be fixedly installed on the rack 1, the switch height adjusting rod can be installed on the switch base 17 in a lifting mode, the stop connecting piece can fixedly locate the switch height adjusting rod at any position with the switch base 17, and the position sensor is fixedly installed on the switch height adjusting rod. Switch base 17 can be through magnetic attraction's mode fixed mounting on the platform of frame 1, and then realize quick installation and adjustment position, remove and take magnetic switch base 17 the position of adjustable position inductor promptly, readjust switch altitude mixture control pole to suitable height again, make position inductor just in time fix a position under the response piece 15 of wishbone 5 tip, if in the test process, when the sample takes place to split or fracture, wishbone 5 of sample can be folded down under the action of gravity and contact position inductor, equipment can automatic shutdown, and test number of times when the record was shut down, so that the engineer knows the product vibration fatigue condition, be convenient for improve the product reinforcement structure.

The control system 3 comprises a counter 18 or a timer 19, the counter 18 can calculate the vibration times of the positioning device, the timer 19 can calculate the vibration test time of the positioning device, the control system 3 further comprises a processor, the counter 18 or the timer 19 is transmitted to the processor, a position sensor page is transmitted to the processor, and the processor can calculate and analyze the vibration fatigue data of the fork 5 of the vehicle frame claw 4 according to signals transmitted by the counter 18 or the timer 19 and the position sensor. The vibration fatigue strength can be calculated through two modes of vibration time or vibration times, a rotary knob 24 can be arranged on the device to select the mode of a counter 18 or a timer 19, the counter 18 and a position sensor are combined for testing, the counting can be automatically and accurately carried out, and the time counter 18 is accurate to seconds (counting unit: hour/minute/second).

The control system 3 also includes a speed controller 20, the speed controller 20 being capable of controlling the motor speed, the speed controller 20 being signaled to the processor. The speed controller 20 is adjustable, can be adjusted according to test requirements, has an adjusting range of 0-600 RPM, can also be provided with a speed display 21, and is high in precision and easy to read through an LED digital display. The device is optimally provided with an automatic alarm lamp 22 for automatically monitoring the state of the device (green light-normal operation, red light-abnormal alarm), and an emergency stop button for realizing artificial stop in the midway of abnormal test, wherein the counter 18, the timer 19, the speed controller 20, the speed display and the emergency stop button can be arranged on a control panel 23 of the control system 3, so that the viewing and the operation are convenient.

Claims

1. The utility model provides a frame colludes claw wishbone vibrations fatigue testing machine which characterized in that: including frame (1), vibration providing device, positioner, counter weight (2), position sensor, testing result output device and control system (3), positioner installs in the frame, the vibration provides device drive positioner and vibrates in the frame, positioner can the fixed positioning frame collude claw (4), the wishbone (5) of frame are unsettled state and extend, fixed mounting that the counter weight can be dismantled on the wishbone of frame, position sensor fixed mounting is in the frame, position sensor can respond to frame wishbone tip position and signal in control system, control system can calculate the analysis frame collude claw wishbone vibrations fatigue data and export through testing result output device, control system can also control vibrations providing device operation.

2. The frame colludes claw wishbone vibration fatigue testing machine of claim 1 characterized in that: the vibration providing device comprises a motor and an eccentric wheel (7), the eccentric wheel can be installed on the rack in a rotating mode around a horizontal shaft, the motor drives the eccentric wheel to rotate, the positioning device can be installed on the rack in a lifting sliding mode, the lower end of the positioning device tightly abuts against the outer side surface of the circumference of the eccentric wheel, and the control system controls the motor to run.

3. The frame colludes claw wishbone vibration fatigue testing machine of claim 2 characterized in that: the eccentric wheel is fixedly provided with a guide pillar connector (8) and a conical eccentric surface (9) which protrude outwards in the radial direction, the positioning device can only slide along the vertical direction for setting the distance, the guide pillar connector is sleeved with the positioning device, the positioning device is provided with a supporting part (10) which can be adjusted along the axial position of the eccentric wheel, and the supporting part can tightly support the surface of the conical eccentric surface of the eccentric wheel.

4. The frame colludes claw wishbone vibration fatigue testing machine of claim 3 characterized in that: an amplitude adjusting ruler (11) is further fixedly arranged on the rack, amplitude scales are marked on the amplitude adjusting ruler, and a reading mark which can correspond to the amplitude scales on the amplitude adjusting ruler is arranged on the positioning device.

5. The frame colludes claw wishbone vibration fatigue testing machine of claim 1 characterized in that: the positioning device comprises an adjusting table (12) and a clamp (13), the adjusting table can be installed on the rack in a lifting sliding mode, the clamp can be installed on the adjusting table around a vertical shaft in a rotating mode, and the clamp can clamp and loosen the frame hook claw.

6. The frame colludes claw wishbone vibration fatigue testing machine of claim 1 characterized in that: the position sensor is an electromagnetic induction switch (14), an induction sheet (15) is fixedly mounted at the end part of the fork bone of the vehicle frame hook claw in a detachable mode, and the electromagnetic induction switch can be in magnetic induction with the induction sheet.

7. The frame colludes claw wishbone vibration fatigue testing machine of claim 6 characterized in that: still be equipped with fork bone connecting rod (16) that length can stretch out and draw back the adjustment, fixed connection that fork bone connecting rod one end and fork bone tip can be dismantled, response piece fixed mounting in the fork bone connecting rod other end.

8. The frame colludes claw wishbone vibration fatigue testing machine of claim 1 characterized in that: the switch height adjusting device is characterized by further comprising a switch base (17), a switch height adjusting rod and a stop connecting piece, wherein the switch base can be fixedly installed on the rack, the switch height adjusting rod can be installed on the switch base in a lifting mode, the stop connecting piece can fixedly locate the switch height adjusting rod at any position with the switch base, and the position sensor is fixedly installed on the switch height adjusting rod.

9. The frame colludes claw wishbone vibration fatigue testing machine of claim 2 characterized in that: the control system comprises a counter (18) or a timer (19), wherein the counter can calculate the vibration times of the positioning device, the timer can calculate the vibration test time of the positioning device, the counter or the timer is transmitted to the processor, a position sensor page is transmitted to the processor, and the processor can calculate and analyze the vibration fatigue data of the vehicle frame claw and the fork bone according to signals transmitted by the counter or the timer and the position sensor.

10. The frame colludes claw wishbone vibration fatigue testing machine of claim 9 characterized in that: the control system also includes a speed controller (20) capable of controlling the motor speed, the speed controller being signaled to the processor.