JP3032139B2 - Main stand durability test equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for performing a durability test on a main stand of a motorcycle.

[0002]

2. Description of the Related Art Conventionally, as a technique for testing durability of a main stand of a motorcycle, for example, Japanese Unexamined Patent Publication No.
As in No. 40, a durability test in a peculiar form in which the vehicle is suddenly started from a state where the main stand is set up is known. The test is performed by repeatedly raising and lowering the stand.

[0003]

However, when such a durability test is performed manually, it takes a long time for the failure state to appear, so that a so-called concentration durability test (for example, climbing a hill) performed by changing the test conditions is performed. The test had to be replaced with a test by reducing the number of times on the road, and it was not suitable for checking the fatigue limit and the like under normal use conditions. In addition, there is a problem in terms of personnel due to relying on human power, and when the number of tests is increased, the time efficiency is deteriorated, and there is a problem that durability conditions such as load are likely to vary.

[0004]

In order to solve the above-mentioned problems, the present invention relates to the present invention, wherein a front wheel of a two-wheeled vehicle is clamped and reciprocated in the front-rear direction of the vehicle body while the vehicle body is held upright on a base. A movable clamp member is provided, a guide member is provided on the base to guide the reciprocating movement of the clamp member, a vehicle body driving member for reciprocating the motorcycle in the front-rear direction is provided, and the motorcycle is further moved rearward. A main stand driving member for driving the main stand was provided.

According to a second aspect of the present invention, in the main stand durability test apparatus according to the first aspect, the clamp member is operatively connected to the vehicle body driving member, and the reciprocating motion of the clamp member is driven by the vehicle body driving member. I did it. According to a third aspect of the present invention, in the main stand durability test apparatus according to the second aspect, the vehicle body driving member is disposed between a cylinder that can be extended and contracted in the front-rear direction of the vehicle body and the cylinder and the clamp member. It consisted of a resilient member. According to a fourth aspect of the present invention, in the main stand durability test apparatus according to the first, second or third aspect, the guide member includes a guide rail provided on a base and a lifting prevention member, and the clamp member includes The guide rail and the lifting prevention member can be moved linearly in a substantially horizontal direction.

In claim 5, claims 1 to 4 are provided.
In the main stand durability test apparatus according to any one of the above, the main stand drive member applies a downward load to a tread force receiving portion of the main stand, and the main stand drive member is positioned rearward of the motorcycle. The main stand is movable along the turning locus of the tread force receiving portion of the main stand, which is supported by a pivot point at the vehicle body side of the main stand which is displaced with the movement of the main stand. According to a sixth aspect of the present invention, in the main stand durability test apparatus according to any one of the first to fifth aspects, an operation timing of the vehicle body driving member and the main stand driving member is controlled by a controller.

According to a seventh aspect of the present invention, in the main stand durability test apparatus according to any one of the first to sixth aspects, the apparatus is provided with a regulating member that regulates a lateral movement of a rear portion of the vehicle body. . In claim 8, claim 1
The main stand durability test apparatus according to any one of claims 1 to 7, further comprising a vehicle body rear drive member which can be engaged with the rear part of the motorcycle and lift the vehicle rear part. According to a ninth aspect, in the main stand durability test apparatus according to the eighth aspect, the upper ends of the main stand driving member and the vehicle body rear driving member are pivotably supported.

According to a tenth aspect, in the main stand durability test apparatus according to the eighth or ninth aspect, the vehicle body driving member, the main stand driving member, and the vehicle body rear driving member are connected to an air cylinder connected to a compressed gas supply source. Was configured. In the eleventh aspect, in the main stand durability test apparatus according to the tenth aspect, the operation timing of each of the air cylinders is controlled by a controller.

[0009]

According to the present invention, when the front wheel of the motorcycle is clamped by the clamp member so as to stand upright on the base, the motorcycle body is reciprocated in the front-rear direction by the vehicle body driving member, and is moved rearward. When raising the main stand by applying a load to the main stand and moving it forward, remove the load on the tread force receiving section and defeat the main stand. Then, a durability test is performed by repeating this operation.

Further, when the motorcycle is reciprocated back and forth, the front wheel is clamped by the clamp member, but the vehicle body drive member and the clamp member are operatively connected as described in claim 2, and the clamp is performed by the vehicle body drive member. By reciprocally driving the member, the motorcycle is reciprocated via the clamp member.
Further, as a vehicle body driving member, the vehicle body driving member includes a cylinder that expands and contracts in the front-rear direction of the vehicle body, and a resilient member disposed between the cylinder and the clamp member, and moves the vehicle body rearward. If the resilient force of the resilient member acts on the final stage, an impact force close to an operation by human power is reproduced. Further, when the main stand is raised while moving the vehicle body backward, the front of the vehicle body tends to rise, so that a lifting prevention member is provided in a part of the guide member, and the front wheel is clamped. Prevents members from floating.

According to a fifth aspect of the present invention, a downward load is applied by the main stand driving member, and the main stand driving member is movable along the rotation locus of the tread force receiving portion of the main stand. If it is set, the operation of erecting the main stand becomes closer to manual operation. Then, the operation timing of the vehicle body driving member and the operation timing of the main stand driving member are controlled by the controller, and the standing and falling cycle of the main stand is repeated.

In order to prevent the lateral movement of the rear part of the vehicle body in accordance with the reciprocating movement of the vehicle body, a regulating member is provided. Further, for example, when the weight of the vehicle body is heavy, when the main stand is erected, it is common to operate to lift the rear part of the vehicle body while moving the vehicle body backward. And a vehicle rear drive member capable of lifting the vehicle rear. In addition, the main stand drive member and the upper end portion of the vehicle body rear drive member are pivotally supported so as not to apply excessive force even when the vehicle body moves horizontally.

Further, when the vehicle body driving member, the main stand driving member, and the vehicle body rear driving member are air cylinders and connected to the same compressed gas supply source, the apparatus is simplified and control is easy. Becomes Claim 11
As described above, the operation timing of each air cylinder is controlled by the controller, and the cycle is repeated.

[0014]

An embodiment of the present invention will be described with reference to the accompanying drawings. 1 is an overall schematic view of a main stand durability test apparatus, FIG. 2 is a drive control circuit diagram, FIG. 3 is an enlarged view of a clamp member, FIG. 4 is a cross-sectional view taken along line AA of FIG. 3, and FIG. It is. Main stand durability test apparatus 1 of the present invention
Is a main stand S of the motorcycle W as shown in FIG.
A base 2, a guide member 3 provided in front of the base 2, and a clamp member 4 which can reciprocate in the longitudinal direction along the guide member 3. I have.

The rod 5a of the first cylinder unit 5 as a vehicle body driving member is connected to the clamp member 4, and the end on the cylinder side is pivotally attached to the bracket 6 of the base 2. A column 7 is erected from the center of the base 2 slightly rearward, and an arm 8 extending horizontally from the upper end of the column 7 has an upper end of a second cylinder unit 9 as a main stand driving member. Is pivoted. In addition, a column 10 is also provided upright at the rear of the base 2,
An upper end of a third cylinder unit 13 as a vehicle body rear drive member is pivotally attached to a rotating arm 12 attached to an upper end of the support post 10 so as to be rotatable around a vertical axis 11 so as to be adjustable in height. I have.

The first to third cylinder units 5, 9, 13 are connected to the same air source 1 as shown in FIG.
Each of the solenoid valves 15, which is configured as an air cylinder unit that operates by receiving a supply of compressed air from the
Are controlled in a predetermined cycle while the time difference is adjusted by the controller 16, and the regulators 17 are operated while adjusting the air flow rate. still,
As will be described later, the third cylinder unit 13 is not always necessary when the vehicle body weight is light, and is not an essential component.

As shown in FIGS. 3 and 4, the guide member 3 has an inverted T-shaped guide rail 17 fixed to a substantially central portion in the width direction of the base 2 and fixed to both ends in the width direction. Reverse L
A pair of letter-shaped lifting prevention guides 18 are provided, and are long along the longitudinal direction. And
The guide rail 17 and the lift prevention guides 18, 1
8, each roller 24 of the clamp member 4 described below,
24, 25, 25 are engaged.

The clamp member 4 has a receiving plate 20 on which the front wheel F of the motorcycle W is mounted.
On the top, a pair of brackets 2 at each end in the width direction
Are fixed, and each bracket 21,.
Are screwed into each of the screw members 2.
The pair of side plates 23, 23 each having an L-shape in side view are connected to the tips of 2,... Via pressing pads 22a,. The side plates 23 are brought into contact with both side surfaces of the front wheel F, and the front wheel F is pressed and clamped by tightening the screw members 22,. On the lower surface of the receiving plate 20, a pair of longitudinal rollers 24,..., Front, rear, left and right are attached to a substantially central portion in the width direction so as to be able to slide along both side surfaces of the guide rail 17, A pair of front, rear, left and right horizontal shaft rollers 25,...

At the end of the rod 5a of the first cylinder unit 5, a connecting member 26 as shown in FIG. 3 is attached, and on the receiving plate 20 of the clamp member 4, a connecting member 27 is also attached. The connecting members 26 and 27 are connected with play in the longitudinal direction. Therefore, the first
When the cylinder unit 5 is operated, the clamp member 4 advances and retreats along the guide member 3. The operation timing of the first cylinder unit 5 is set to have a predetermined timing difference in accordance with the operation of the second and third cylinder units 9 and 13 described below.

Next, the second cylinder unit 9 is provided with a pressing plate 30 at the lower end of the rod 9a so that the pressing plate 30 can press the tread force receiving portion of the main stand S downward by the extension operation. ing. When the vehicle body moves rearward due to the extension operation of the first cylinder unit 5 during this pressing, the vehicle body-side pivot point of the main stand S also moves rearward, but the upper end of the second cylinder unit 9 is connected to the arm 8, the lower end of the second cylinder unit 9 swings around the pivoted portion, and the pressing plate 3
Numeral 0 is movable along the rotation locus of the treading force receiving portion of the main stand S.

The third cylinder unit 13 is provided with a hook 31 at a lower end thereof. The hook 31 can be hooked on an engaging portion K at the rear of the motorcycle W. . Then, the third cylinder unit 13
Is pivotally attached to the rotating arm 12, so that the lower end swings with the rearward movement of the vehicle body.

The operation of the main stand durability test apparatus as described above will be described with reference to FIG. First, FIG.
As shown in (A), the motorcycle W is erected on the base 2,
The front wheel F is clamped by the clamp member 4. That is,
Tighten the screw members 22 on both sides,
23 and clamp it. Further, the hook 31 of the third cylinder unit 13 is hooked on the engaging portion K of the vehicle body.

Next, as shown in (B), the third cylinder unit 1 is extended while the second cylinder unit 9 is extended and the main plate S is pressed downward by the pressing plate 30.
3 is retracted to raise the rear of the vehicle. Then, the first cylinder unit 5 is extended at a predetermined timing difference as shown in FIG.
Loosen the cylinder unit 13. Then, the vehicle body moves rearward, and the main stand S is pushed downward to be in a standing state. During this time, the rear part of the vehicle body is instantly lifted upward by the third cylinder unit 13, which is close to manual operation. The operation is reproduced. Further, when the vehicle body moves rearward, the clamp member 4 is not lifted upward by the lift prevention guide 18 of the guide member 3.

When the main stand S finally stands, the pressing plate 30 of the second cylinder unit 9 separates from the main stand S, as shown in FIG. Then, as shown in (E), the second cylinder unit 9 is caused to retract, and the first cylinder unit 5 is caused to retract at a predetermined timing. For this reason, the vehicle body moves forward and the main stand S
Falls upward without interfering with the pressing plate 30. Then, returning to (A), the same cycle is repeated, and the durability is tested.

By automating the durability test in this way, the labor load on the tester can be reduced, and the test conditions can be stabilized. In addition, the time required for the durability test can be reduced.

FIG. 6 is a sectional view showing another embodiment of the guide member 3 and the clamp member 4. As shown in FIG. That is, the guide member 3 includes a lifting prevention member 32 fixed on the base 2 and having a substantially U-shaped cross section, and the lifting prevention member 32.
And a guide rail groove 33 as a guide rail provided at the center portion in the width direction. On the other hand, the clamp member 4 includes a receiving plate 34 on which the front wheel F is mounted, and a pair of front, rear, left and right horizontal shaft rollers 35 provided at both ends of the receiving plate 34.
Are arranged to be able to slide on the upper surface of the lifting prevention member 32.

A bracket 36 is mounted at the center of the lower surface of the receiving plate 34 in the width direction (left-right direction) and in the middle portion in the front-rear direction (vertical direction of the paper). The bracket 36 has a pair of horizontal shaft rollers 37,. And this horizontal axis roller 37, ...
Can slide along the lower surface of the lifting prevention member 32. On the lower surface of the receiving plate 34, a pair of left and right vertical axis rollers 38,... Are disposed forward and rearward with the bracket 36 sandwiched in the front-rear direction (vertical direction on the paper). It rolls along the end face of the guide rail groove 33.

A pair of left and right side plates 40 and 41 are fixed to the upper surface of the receiving plate 34, and a screw member 42 is screwed to one of the side plates 41. And this screw member 42
A pressing pad 42a is attached to one end of the front wheel F, and both side surfaces of the front wheel F are clamped between the pressing pad 42a and the side plate 40 on the other side. Then, even with the combination of the guide member 3 and the clamp member 4 having such a configuration, linear movement can be guided similarly to the first embodiment, and the lifting of the clamp member 4 is prevented.

By the way, in the device 1, a regulating member 44 for preventing the rear wheel R from moving in the left-right direction may be provided as shown in FIG. This regulating member 44
This is not necessary when the third cylinder unit 13 is provided, but when the third cylinder unit 13 is not provided, it is preferable to provide a regulating member 44 to regulate the lateral movement of the rear part of the vehicle body. Of course, both the third cylinder unit 13 and the regulating member 44 may be provided. By the way,
As described above, the third cylinder unit 13 is unnecessary in a small car or the like.

FIGS. 8 and 9 show still another embodiment in which the connecting portion between the first cylinder unit 5 and the clamp member 4 is improved, and its operation. That is, the first
While a spring 46 as a resilient member is attached to the tip of the rod 5a of the cylinder unit 5 via a large-diameter tip fitting 45, a hooking member 47 is attached to the clamp member 4 so that the first cylinder unit 5 can be extended. The clamp member 4 can be pressed via the spring 46, and when the first cylinder unit 5 performs the retracting operation, the tip metal member 45 moves by a predetermined clearance and then is hooked on the hook member 47. . In addition, 50 in the figure
Is a cylinder stopper that abuts against the tip fitting 45 to restrict the retreat position of the cylinder rod 5a. The cylinder stopper 50 allows the cylinder rod 5a to pass therethrough and the tip of the hooking member 47 to pass through. A notch (not shown) is provided. The cylinder stopper 50 can be fixed to the base 2 so as to be adjustable in the front-rear direction.

In the case of this embodiment, the first cylinder rod 5a is in the middle of the stand of the main stand S shown in FIG.
Is equal to the moving speed v1 of the clamp member 4 (= moving speed of the vehicle body), but v1> v2 in (B) immediately before the completion of the main stand S standing, and the main stand S standing operation by actual human power An impact load equivalent to the above load can be applied. Then, when the main stand S is lowered, the tip fitting 45 is hooked by the hook member 47 as shown in FIG.
And move it forward.

FIGS. 10 and 11 show an example of the configuration of the grounding section of the main stand S. FIG. That is, an iron receiving plate 51 as shown in FIG. 10 is removably fastened to the base 2 by a pair of front and rear bolts 54a and 54b on the ground portion of the main stand S. The upper plate 52 is divided into a lower plate 53 and a lower plate 53 so that, for example, only the upper plate 52 can be replaced when worn out. Then, on the upper plate 52, a rear stopper 55 that engages with the lower end portion and regulates the position when the main stand S is raised.
And a front stopper 56 that engages with the lower end when the main stand S is folded down to regulate the position.

The front and rear portions of the receiving plate 51 are provided with bolt holes a and b through which the bolts 54a and 54b can be inserted. Of these, the rear bolt hole b is formed with the front bolt hole a. It is a long hole that draws an arc as the center. By making the rear bolt hole b a long hole, it is possible to adjust and tighten both leg portions of the main stand S so as to uniformly contact the rear stopper 55. The cylinder stopper 50 (FIG. 8) is used to appropriately move the vehicle body in the front-rear direction when the ground point X (FIG. 11) of the main stand S is adjusted to an appropriate position.
After moving and adjusting in the front-rear direction, it is fixed to the base 2.

FIG. 12 shows a result of measuring a stress applied to a predetermined portion of the main stand S when a durability test is performed by the present device 1 and comparing the measured stress with a stress waveform obtained when the test is performed manually. Stress generation by manual operation,
(B) shows the state of stress generation due to the operation of the present apparatus. As a result, the stress waveform (B) generated in the main stand S by the operation of the present apparatus almost coincided with the stress waveform (A) generated by the manual operation, and it was found that the reliability was high.

[0035]

As described above, the main stand durability test apparatus of the present invention automates the test which has been conventionally performed manually, so that the work load required for the test can be reduced. In addition, since the test can be performed under conditions close to the actual operation without greatly changing the test conditions as in the concentration test, the reliability of the test is improved. In addition, the duration of the durability test is shortened, which is efficient, and enables early detection and correction of defects.

[Brief description of the drawings]

FIG. 1 is an overall schematic diagram of a main stand durability test apparatus.

FIG. 2 is a drive control circuit diagram.

FIG. 3 is an enlarged view of a clamp member.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is an operation diagram

FIG. 6 is a view showing another embodiment of the guide member and the clamp member.

FIG. 7 is a perspective view of a regulating member that regulates the lateral movement of the rear wheel.

FIG. 8 is a view showing another embodiment of the connection structure between the first cylinder unit and the clamp member.

FIG. 9 is an operation diagram of FIG. 8;

FIG. 10 is a perspective view showing an example of a configuration of a grounding section of a main stand.

FIG. 11 is an explanatory view of FIG. 10 viewed from the side.

FIG. 12 is a stress waveform diagram of a main stand generated by a manual operation and an operation of the present apparatus, wherein (A) is a manual operation and (B) is a present apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Endurance test device, 2 ... Base, 3 ... Guide member, 4 ... Clamp member, 5 ... First cylinder unit, 9 ... Second cylinder unit, 13 ... Third cylinder unit, 14 ... Air source, 16 ... Controller , 17 ... guide rail, 18
... uplift prevention member, 44 ... regulating member, 46 ... spring, F ... front wheel, S ... main stand, W ... motorcycle.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G01M 17/00-17/007 B62H 1/02

Claims (11)

(57) [Claims] 1. A clamp member capable of reciprocating in the front-rear direction of a vehicle body while clamping a front wheel of a two-wheeled vehicle and holding the vehicle body upright on a base, and a base member for guiding reciprocation of the clamp member. A main stand comprising: a guide member provided on a base; a vehicle body driving member for reciprocating the motorcycle in the front-rear direction; and a main stand driving member for driving the main stand when the motorcycle is moved rearward. Endurance test equipment. 2. The main stand durability test apparatus according to claim 1, wherein the clamp member and the vehicle body driving member are operatively connected, and reciprocation of the clamp member is driven by the vehicle body driving member. Main stand endurance test equipment. 3. The main stand endurance test apparatus according to claim 2, wherein the vehicle body driving member is a cylinder that can be extended and contracted in the front-rear direction of the vehicle body, and a spring disposed between the cylinder and the clamp member. A main stand durability test device comprising a member. 4. The main stand durability test apparatus according to claim 1, wherein the guide member includes a guide rail provided on the base and a floating prevention member, and the clamp member includes a guide member. A main stand durability test apparatus characterized in that it can be moved linearly in a substantially horizontal direction by a rail and a lifting prevention member. 5. The main stand durability test apparatus according to claim 1, wherein the main stand driving member applies a downward load to a tread force receiving portion of the main stand. The main stand drive member is movable along a rotation locus of a tread force receiving portion of the main stand with a fulcrum at a vehicle-body-side pivot point of the main stand which is displaced as the motorcycle moves rearward. A main stand endurance test device, characterized in that: 6. The main stand durability test apparatus according to claim 1, wherein an operation timing of the vehicle body driving member and the main stand driving member is controlled by a controller. Main stand durability test equipment. 7. The main stand durability test apparatus according to claim 1, wherein the main stand durability test apparatus includes a regulating member that regulates a lateral movement of a rear portion of the vehicle body. Main stand endurance test equipment. 8. The main stand endurance test apparatus according to claim 1, wherein the main stand end driving apparatus is capable of engaging with a rear part of the motorcycle and lifting the rear part of the vehicle body. A main stand durability test device comprising a member. 9. The main stand durability test apparatus according to claim 8, wherein an upper end of the main stand drive member and a rear end of the vehicle body rear drive member are pivotably supported. 10. The main stand durability test apparatus according to claim 8, wherein the vehicle body driving member, the main stand driving member, and the vehicle body rear driving member are constituted by air cylinders connected to a compressed gas supply source. A main stand durability test apparatus characterized by the following. 11. The main stand durability test apparatus according to claim 10, wherein an operation timing of each of the air cylinders is controlled by a controller.