CN211904611U

CN211904611U - Handlebar strength testing device

Info

Publication number: CN211904611U
Application number: CN201922475776.XU
Authority: CN
Inventors: 章军
Original assignee: Kunshan Jinaer Car Material Co ltd
Current assignee: Kunshan Jinaer Car Material Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-10
Anticipated expiration: 2029-12-31

Abstract

A handlebar strength testing device comprises a rack, wherein the rack comprises a bicycle body, a front fork and a handlebar, one side of the bicycle body, which is far away from the front fork, is rotatably connected to the rack, the handlebar is fixedly connected to the front fork, one side of the front fork, which is far away from the handlebar, is connected with a reciprocating motion assembly, the reciprocating motion assembly comprises a reciprocating motion mechanism and a vibration block, the front fork is fixedly connected to the vibration block, and the handlebar is connected with a balancing weight; the handlebar passes through the automobile body and the front fork is connected in the frame, the simulation handlebar mounting state of in-process of riding, reciprocating motion subassembly drives the vibrations piece and is reciprocating motion, make the automobile body be equipped with front fork one side reciprocating motion, the balancing weight of installation is realized exerting the power of relapseing and changing to handlebar department on the cooperation handlebar, be used for imitating the bicycle in the atress condition of riding in-process handlebar one side, through relapseing, whether a lot of experimental measurement handlebar reaches design strength, the actual atress condition of handlebar is laminated more to handlebar intensity testing arrangement, the validity of handlebar intensity test is improved.

Description

Handlebar strength testing device

Technical Field

The utility model relates to a handlebar testing arrangement, concretely relates to handlebar intensity testing arrangement.

Background

The bicycle always occupies an important position in daily life of people, and particularly becomes a trend of short-distance travel along with the enhancement of environmental awareness and health awareness of people. Therefore, the stability and reliability of the structure and the quality of the bicycle become a big premise for people to realize safe riding. In particular, as for the handlebars of a bicycle, since the handlebars play an important role in steering the bicycle and supporting the arms of a rider during riding, it becomes important to perform a special fatigue strength test thereon.

Chinese patent with application number CN201721890118.1 discloses a bicycle handle testing machine, which comprises a bracket, wherein the bracket comprises a fixed base, four vertical transmission rods are arranged on the fixed base, two symmetrical bearing plates are sleeved on the vertical transmission rods, the bearing plates are in threaded connection with a lifting screw transmission rod, the top end of the lifting screw transmission rod is fixedly connected with the top end of the bracket, the bearing plates are connected through two horizontal transverse transmission rods, the transverse transmission rods are connected with two vertical servo cylinders through two vibration blocks, the servo cylinders are connected with a servo cylinder controller, an extended piston transmission rod is arranged at the bottom of each servo cylinder, a sensor is arranged on each piston transmission rod, and the bottom end of each piston transmission rod is connected with a clamp; the top of lift screw drive pole is provided with first band pulley, is provided with the second band pulley in the middle of the top of support, and first band pulley and for the second band pulley drive belt linkage.

Above-mentioned technical scheme passes through servo cylinder and applys pressure to the handlebar, imitates the handlebar in the atress condition of the in-process of riding, through many times, simulate the atress condition repeatedly and accomplish intensity and the fatigue test that detects bicycle handle subassembly, but at the actual in-process of riding, the power that the handlebar receives comes from one side of the front fork, only contradicts with the actual atress condition of handlebar with the fixed mode that only applys pressure to the handlebar through the cylinder of handlebar, and prior art exists the improvement part.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a handlebar intensity testing device is connected handlebar and vibrations piece through the front fork, makes vibrations transmit to handlebar one side through the front fork, and the atress condition of the in-process of riding is simulated to the balancing weight of fixed setting on the cooperation handlebar, makes the actual atress condition of handlebar of more laminating of handlebar intensity testing device, improves handlebar intensity testing's validity.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a handlebar intensity testing arrangement, including the frame, the frame is including automobile body, front fork and handlebar, the automobile body is kept away from one side of front fork rotate connect in the frame, handlebar fixed connection in on the front fork, the front fork is kept away from one side of handlebar is connected with the reciprocating motion subassembly, the reciprocating motion subassembly is including reciprocating motion mechanism and vibrations piece, front fork fixed connection in on the vibrations piece, be connected with the balancing weight on the handlebar.

Through adopting above-mentioned technical scheme, the handlebar passes through the automobile body and the front fork is connected in the frame, the handlebar is in the mounted state at the bicycle in-process of riding this moment, reciprocating motion subassembly passes through reciprocating motion mechanism and drives the vibrations piece and be reciprocating motion, make the automobile body be equipped with front fork one side reciprocating motion, the balancing weight realization of installation is gone up to the cooperation handlebar exerts the power of relapse and change to handlebar department, be used for imitating the bicycle in the atress condition of riding in-process handlebar one side, through relapse, whether a lot of experiments measurement handlebar reaches design strength, handlebar intensity testing arrangement laminates the actual atress condition of handlebar more, improve handlebar intensity test's validity.

The utility model discloses further set up to: reciprocating motion mechanism is including driving motor, driving medium and pivot, the driving medium will driving motor's power is changed into the rotation of pivot, be connected with the eccentric wheel in the pivot, the eccentric wheel is connected with the transmission piece, the transmission piece is located including the cover the outer transmission sleeve of eccentric wheel, the transmission sleeve extends there is the transfer line, reciprocating motion mechanism is still including fixing spacing sleeve in the frame, the transfer line slides and sets up in the spacing sleeve, the vibrations piece is fixed to be set up the transfer line pole is kept away from transmission sleeve's one end.

Through adopting above-mentioned technical scheme, thereby driving motor makes the pivot rotate through the driving medium and drives the eccentric wheel and rotate, the eccentric wheel drives the transmission sleeve after rotating and is eccentric rotation, make the transfer line be reciprocating motion in spacing sleeve, the front fork is connected with the transfer line through even vibrations piece, make the front fork keep away from handlebar one side and be reciprocating motion with the simulation actual atress condition of riding in-process front fork and handle, it can make the more frequent and transfer line's of front fork department atress stroke more stable to simulate through the eccentric wheel, reduce the influence of error to the test result in the handlebar intensity test, improve the degree of accuracy of handlebar intensity test.

The utility model discloses further set up to: the section of the vibration block is arranged in a T shape and comprises a base and a fixed plate, the transmission rod is of a flat plate structure and extends along the axis direction of the limiting sleeve, the base is in inserted connection and matching with the transmission rod, a fixing piece for fixing the vibration block and the transmission rod penetrates through the fixed plate, a wheel axle is further arranged on the fixed plate, and the front fork is fixed on two sides of the fixed plate through the wheel axle.

Through adopting above-mentioned technical scheme, make things convenient for the tester to fix the vibrations piece on the dwang and fixed front fork and vibrations piece, the axletree that sets up on the fixed plate can simulate the stress state of front fork at the in-process of riding, accords with the actual state of handlebar at the in-process of riding more, and then improves the degree of accuracy of handlebar intensity test.

The utility model discloses further set up to: the handlebar has a handlebar area for a rider to grip, and the weight is fixed in the handlebar area.

Through adopting above-mentioned technical scheme, can simulate the state that the passerby operated the handlebar in the in-process of riding with the balancing weight setting in the position of hand (hold) district, accord with the actual state of handlebar in the in-process of riding more to improve the degree of accuracy of handlebar strength test result.

The utility model discloses further set up to: the balancing weight is including a body, the body of piece corresponds the spliced eye has been seted up to the handlebar, threaded connection has the butt bolt on the body of piece.

Through adopting above-mentioned technical scheme, make things convenient for the operator to fix the balancing weight on the handlebar.

The utility model discloses further set up to: the balancing weight is cylindrical structure, the piece body is semicircle ring structure, two the piece body concatenation forms the cooperation piece, two be provided with the fastening bolt who is used for connecting between the piece body.

Through adopting above-mentioned technical scheme, the balancing weight of cylindric structure makes the handlebar receive at the vibrations in-process and uses the hand (hold) district to be central each ascending power in direction, and the not equidirectional intensity of more comprehensive test hand (hold) makes things convenient for the operator to fix the balancing weight on the handlebar more simultaneously to the structure of components of a whole that can function independently.

The utility model discloses further set up to: the butt bolt is connected with a safety rope, the rack comprises a lifting hook, the lifting hook is located above the vehicle body, and the safety rope is fixed to the lifting hook.

Through adopting above-mentioned technical scheme, prevent that the handlebar from leading to the balancing weight directly to drop and causing the problem that testing arrangement damaged at testing arrangement because the handlebar fracture in the testing process.

The utility model discloses further set up to: the fixed plate is provided with a waist-shaped groove extending along the horizontal direction, the wheel shaft is arranged in the waist-shaped groove, the vibration block is internally and fixedly provided with a rotating shaft perpendicular to the waist-shaped groove, and the middle part of the wheel shaft is rotatably arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, rotate the axletree that sets up in the axis of rotation and can follow the state of axis of rotation swing when turning to in order to imitate the handlebar, more comprehensive test handlebar intensity in the in-service use process makes the result that the test obtained accord with the handlebar result under actual operating condition more.

To sum up, the utility model discloses following effect has:

the handlebar better accords with the state of the handlebar in the bicycle riding process in the testing process, and the actual assembling state of the handlebar on the bicycle is simulated through the bicycle body and the front fork; the front fork is connected with the vibration block through a wheel shaft to simulate the actual stress condition of the handlebar in the riding process; the balance weight block arranged on the handlebar area is used for simulating the state that a rider grasps the handlebar; through the stress state of the axletree simulation handlebar that rotates the setting at the steering in-process, whether reach design strength in order to measure the handlebar through the stress state of reciprocating motion subassembly repetition, change handlebar many times, handlebar intensity testing arrangement laminates the actual stress condition of handlebar more, improves the validity of handlebar intensity test.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic view of the overall structure of the handlebar strength testing device;

FIG. 2 is a schematic structural view of a reciprocating assembly;

FIG. 3 is a schematic structural diagram of a seismic mass;

FIG. 4 is a schematic structural view of the handlebar.

In the figure: 1. a frame; 11. a hook; 12. a rear fork connecting shaft; 2. a vehicle body; 21. a rear fork; 3. a front fork; 4. a handlebar; 41. a handle region; 5. a reciprocating assembly; 51. a reciprocating mechanism; 511. a drive motor; 512. a transmission member; 5121. A driving wheel; 5122. a driven wheel; 5123. a belt; 513. an eccentric wheel; 514. a rotating shaft; 515. a transmission block; 5151. a drive sleeve; 5152. a transmission rod; 516. a limiting sleeve; 52. a vibration block; 521. a base; 522. a fixing plate; 6. a wheel shaft; 7. a fixing member; 8. a balancing weight; 81. a block body; 82. an abutment bolt; 83. fastening a bolt; 84. a safety cord; 9. a rotating shaft; 10. a waist-shaped groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a handlebar intensity testing arrangement, including the frame, the frame is including automobile body, front fork and handlebar, the automobile body is kept away from one side of front fork is provided with the back fork, be provided with the back fork connecting axle that corresponds with above-mentioned back fork in the frame, the frame rotates through above-mentioned back fork connecting axle and connects in the frame, handlebar fixed connection in on the front fork, the front fork is kept away from one side of handlebar is connected with the reciprocating motion subassembly, the reciprocating motion subassembly is including reciprocating motion mechanism and vibrations piece, front fork fixed connection in on the vibrations piece, be connected with the balancing weight on the handlebar.

Combine fig. 2 and fig. 3 to show, reciprocating motion mechanism is including driving motor, driving medium and pivot, the driving medium will driving motor's power is changed into the rotation of pivot, be connected with the eccentric wheel in the pivot, the eccentric wheel is connected with the transmission piece, the transmission piece is located including the cover transmission sleeve outside the eccentric wheel, the transmission sleeve extends there is the transfer line, reciprocating motion mechanism is still including fixing spacing sleeve in the frame, the transfer line slides and sets up in the spacing sleeve, the vibrations piece is fixed to be set up the transfer line pole is kept away from transmission sleeve's one end, and the driving medium is for setting up at the epaxial action wheel of driving motor main, set up at the epaxial belt from driving wheel and cover between action wheel and the follow driving wheel of above-mentioned pivot in this scheme.

The section of the vibration block is arranged in a T shape and comprises a base and a fixed plate, the transmission rod is of a flat plate structure and extends along the axis direction of the limiting sleeve, the base is in inserted connection and matching with the transmission rod, a fixing piece for fixing the vibration block and the transmission rod penetrates through the fixed plate, a wheel axle is further arranged on the fixed plate, and the front fork is fixed on two sides of the fixed plate through the wheel axle.

The fixed plate is provided with a waist-shaped groove extending along the horizontal direction, the wheel shaft is arranged in the waist-shaped groove, the vibration block is internally and fixedly provided with a rotating shaft perpendicular to the waist-shaped groove, and the middle part of the wheel shaft is rotatably arranged on the rotating shaft.

As shown in fig. 4, the handlebar has a grip area for a rider to grip, and the weight is fixed at the grip area. The balancing weight is including a body, the body of piece corresponds the spliced eye has been seted up to the handlebar, threaded connection has the butt bolt on the body of piece. The balancing weight is cylindrical structure, the piece body is semicircle ring structure, two the piece body concatenation forms the cooperation piece, two be provided with the fastening bolt who is used for connecting between the piece body. The butt bolt is connected with a safety rope, the rack comprises a lifting hook, the lifting hook is located above the vehicle body, and the safety rope is fixed to the lifting hook.

It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a handlebar intensity testing arrangement, including the frame, its characterized in that, the frame is including automobile body, front fork and handlebar, the automobile body is kept away from one side of front fork rotate connect in the frame, handlebar fixed connection in on the front fork, the front fork is kept away from one side of handlebar is connected with the reciprocating motion subassembly, the reciprocating motion subassembly is including reciprocating motion mechanism and vibrations piece, front fork fixed connection in on the vibrations piece, be connected with the balancing weight on the handlebar.

2. The handlebar strength testing device of claim 1, wherein the reciprocating mechanism comprises a driving motor, a transmission member and a rotating shaft, the transmission member converts the power of the driving motor into the rotation of the rotating shaft, the rotating shaft is connected with an eccentric wheel, the eccentric wheel is connected with a transmission block, the transmission block comprises a transmission sleeve sleeved outside the eccentric wheel, the transmission sleeve extends to form a transmission rod, the reciprocating mechanism further comprises a limit sleeve fixed on the frame, the transmission rod is slidably arranged in the limit sleeve, and the vibration block is fixedly arranged at one end of the transmission rod away from the transmission sleeve.

3. The handlebar strength test device of claim 2, wherein the section of the vibration block is arranged in a T shape and comprises a base and a fixing plate, the transmission rod is in a flat plate structure and extends along the axial direction of the limiting sleeve, the base is in inserted fit with the transmission rod, a fixing part for fixing the vibration block and the transmission rod penetrates through the fixing plate, the fixing plate is further provided with a wheel axle, and the front fork is fixed on two sides of the fixing plate through the wheel axle.

4. The handlebar strength test device of claim 1, wherein the handlebar has a grip area for a rider to grip, the weight block being fixed in position at the grip area.

5. The handlebar strength test device of claim 1, wherein the weight block comprises a block body, the block body is provided with a plug hole corresponding to the handlebar, and the block body is in threaded connection with an abutting bolt.

6. The handlebar strength test device of claim 5, wherein the balancing weight is cylindrical, the block bodies are semicircular, the two block bodies are spliced to form a matching block, and a fastening bolt for connection is arranged between the two block bodies.

7. The handlebar strength test device of claim 6, wherein a safety rope is connected to the abutting bolt, the frame comprises a hook positioned above the vehicle body, and the safety rope is fixed to the hook.

8. The handlebar strength testing device of claim 3, wherein the fixing plate is provided with a waist-shaped groove extending along a horizontal direction, the wheel axle is arranged in the waist-shaped groove, the vibrating block is internally and fixedly provided with a rotating shaft perpendicular to the waist-shaped groove, and the middle part of the wheel axle is rotatably arranged on the rotating shaft.