CN212030923U - Motorcycle pedal and passenger handrail test bench - Google Patents

Abstract

The utility model discloses a pedal and passenger handrail test bench of motorcycle, including experimental support body, fixture, pulling force application mechanism, pressure application mechanism and hydraulic module, fixture includes bottom fixture, turns to the handle and adds and holds mechanism and tailstock fixture, and wheel hold assembly behind wheel hold assembly and the multiunit before the bottom fixture includes the multiunit, it includes that first turning to handle adds and holds mechanism and second turning to the handle and add and hold the mechanism to turn to the handle. The utility model discloses can realize the tensile test of motorcycle passenger handrail, can realize the pedal pressure test of motorcycle passenger again, guarantee the accuracy of inspection result.

Description

Motorcycle pedal and passenger handrail test bench

Technical Field

The utility model belongs to the technical field of motorcycle is pedal and passenger's handrail test, especially, relate to a motorcycle is pedal and passenger's handrail test bench.

Background

At present, the quality test of a motorcycle generally needs to test the handrails and the pedals of the motorcycle, however, the test of the handrails of the motorcycle generally adopts a motor to hoist a steel wire rope to test the tensile force of the handrails of the motorcycle, and the steel wire has the possibility of breaking due to repeated stretching and hoisting, so that certain danger is caused; in addition, the manual wrench is adopted to screw the screw rod to apply force to the pedal in the test of the pedal so as to carry out pressure test on the pedal, and because of manual operation, the force application in the test is not uniform, so that the quality of motorcycle products is uneven, and when the pedal is made of alloy castings, sudden fracture can occur along with the increase of stress in the pressure test, and the condition can cause potential injury to the staff carrying out the test.

Therefore, a motorcycle pedal and passenger handrail test bed is lacking at present, not only can the tensile force test of the motorcycle passenger handrail be realized, but also the pressure test of the motorcycle passenger handrail can be realized, the accuracy of the test process of the motorcycle pedal and passenger handrail test can be realized, the manual labor is favorably reduced, the test safety and reliability are ensured, the test working efficiency is improved, and the accuracy of the test result is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a motorcycle is pedal and passenger handrail test bench, its reasonable in design can realize the tensile test of motorcycle passenger handrail, can realize the pedal stress test of motorcycle passenger again, can realize the accuracy of motorcycle pedal and passenger handrail test process, help alleviateing the hand labor, ensure experimental safe and reliable, improve experimental work efficiency, guarantee the accuracy of test result.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a motorcycle is pedal and passenger's handrail test bench which characterized in that: the device comprises a test frame body, a clamping mechanism, a tension applying mechanism, a pressure applying mechanism and a hydraulic module, wherein the clamping mechanism is arranged on the test frame body and clamps the motorcycle;

the clamping mechanism comprises a bottom clamping mechanism arranged on the bottom of the test frame body, a steering handle clamping mechanism arranged in the upper part of the test frame body and used for clamping a steering handle, and a tailstock clamping mechanism arranged in the middle of the test frame body and used for clamping the tail part of the seat;

the bottom clamping mechanism comprises a plurality of groups of front wheel clamping components and a plurality of groups of rear wheel clamping components, the structures of each group of front wheel clamping components and each group of rear wheel clamping components are the same, each group of front wheel clamping components and each group of rear wheel clamping components comprise first clamping components and second clamping components, the first clamping components and the second clamping components are symmetrically arranged on two sides of the motorcycle, and the first clamping components and the second clamping components can be close to or far away from each other;

the steering handle clamping mechanism comprises a first steering handle clamping mechanism and a second steering handle clamping mechanism which respectively clamp two steering handles, the first steering handle clamping mechanism and the second steering handle clamping mechanism are symmetrically arranged in the test frame body, the tailstock clamping mechanism comprises a first tailstock clamping piece and a second tailstock clamping piece which are symmetrically arranged in the test frame body, and a U-shaped clamping fixing piece which is connected between the first tailstock clamping piece and the second tailstock clamping piece and clamped on the tail of the seat, and the first steering handle clamping mechanism, the second steering handle clamping mechanism, the first tailstock clamping piece and the second tailstock clamping piece can slide along the length direction of the test frame body and the motorcycle;

the tensile force applying mechanism comprises a first top sliding mechanism and a second top sliding mechanism which are arranged at the top of the test frame body, and a steel wire rope pulling part which is arranged at the bottom of the first top sliding mechanism and the second top sliding mechanism and can slide along the length direction of the test frame body;

the pressure applying mechanism comprises a first pressure applying mechanism and a second pressure applying mechanism which respectively apply pressure to the two pedals, the first pressure applying mechanism and the second pressure applying mechanism are symmetrically arranged, and both the first pressure applying mechanism and the second pressure applying mechanism can move along the length direction of the motorcycle.

The motorcycle pedal and passenger handrail test bed is characterized in that: the test frame body includes the test bench bottom plate, encloses the test frame of establishing on the test bench bottom plate and sets up the slope transition portion in test bench bottom plate one side, the test frame includes a plurality of U-shaped frameworks of laying along test bench bottom plate length direction and installs the outside diaphragm that just is used for connecting a plurality of U-shaped frameworks at U-shaped framework lateral surface, the quantity of outside diaphragm is a plurality of.

The motorcycle pedal and passenger handrail test bed is characterized in that: the first clamping part and the second clamping part are identical in structure and comprise clamping plates and two bottom clamping screw motor modules which are symmetrically arranged and fixedly connected with the clamping plates;

the bottom clamping screw rod motor module comprises a mounting seat mounted in the bottom of the test frame body, a bottom screw rod penetrating through the mounting seat, a bottom sliding block sleeved on the bottom screw rod and a bottom screw rod motor driving the bottom screw rod to rotate, wherein a fixing seat for mounting a horizontal supporting rod is arranged on the bottom sliding block, and the end part of the horizontal supporting rod extending out of the mounting seat is fixedly connected with the clamping plate;

the mount pad is including installing the bottom horizontal plate on the test bench bottom plate, installing the first backup pad in bottom horizontal plate one end and installing the second backup pad on the bottom horizontal plate, the other end of bottom horizontal plate is provided with the motor cabinet that supplies bottom lead screw motor to install, the output shaft of bottom lead screw motor has the shaft coupling, the shaft coupling is connected with the tip transmission that the second backup pad was passed to the bottom lead screw, be provided with two bottom guide bars, two between first backup pad and the second backup pad the bottom guide bar is laid about bottom lead screw symmetry, the bottom guide bar passes the bottom slider, the horizontal support bar passes first backup pad.

The motorcycle pedal and passenger handrail test bed is characterized in that: the first steering handle clamping mechanism and the second steering handle clamping mechanism are identical in structure and comprise handle clamping sliding mechanisms arranged on the side walls of the test frame body, steering handle hydraulic rods arranged on the handle clamping sliding mechanisms and clamping arms arranged at the telescopic ends of the steering handle hydraulic rods;

the structure of the first tailstock clamping piece is the same as that of the second tailstock clamping piece, the first tailstock clamping piece and the second tailstock clamping piece respectively comprise a tailstock clamping sliding mechanism arranged on the side wall of the test frame body and tailstock hydraulic rods arranged on the tailstock clamping sliding mechanism, and the two tailstock hydraulic rods are connected with the U-shaped clamping fixing piece.

The motorcycle pedal and passenger handrail test bed is characterized in that: the handle clamping and sliding mechanism, the tailstock clamping and sliding mechanism, the first top sliding mechanism and the second top sliding mechanism are all the same in structure, the handle clamping and sliding mechanism, the tailstock clamping and sliding mechanism, the first top sliding mechanism and the second top sliding mechanism respectively comprise a first sliding part and a second sliding part which are symmetrically arranged on a test frame body, a sliding screw rod arranged between the first sliding part and the second sliding part, a sliding motor arranged at one end of the first sliding part and one end of the second sliding part and in transmission connection with the sliding screw rod, and a sliding base arranged on the sliding screw rod, wherein an ear plate is arranged on the sliding base, and a connecting ear seat is arranged on the ear plate;

the structure of first sliding piece and second sliding piece is the same, just first sliding piece and second sliding piece all include the slide rail body, set up this internal U-shaped spout of slide rail, set up the lower arc arch of U-shaped spout bottom and set up the last arc arch at U-shaped spout top, the bilateral symmetry of the base that slides is provided with the shaft, shaft end cover is equipped with the locating wheel, the lateral surface of locating wheel suits with lower arc arch and last arc arch, the locating wheel can be followed arc arch down and last arc arch and slide.

The motorcycle pedal and passenger handrail test bed is characterized in that: the U-shaped clamping fixing piece comprises a first L-shaped piece, a second L-shaped piece and a locking bolt for connecting the first L-shaped piece and the second L-shaped piece, the first L-shaped piece comprises a first horizontal connecting portion and a first vertical portion, the connecting portion of the first horizontal connecting portion and the first vertical portion is arranged in a chamfered shape, the second L-shaped piece comprises a second horizontal connecting portion and a second vertical portion, connecting lugs are arranged at the connecting portion of the first horizontal connecting portion and the first vertical portion and the connecting portion of the second horizontal connecting portion and the second vertical portion, the two connecting lugs are respectively connected with the first tailstock clamping piece and the second tailstock clamping piece, and a plurality of fixing holes for installing the locking bolt are formed in the first horizontal connecting portion and the second horizontal connecting portion.

The motorcycle pedal and passenger handrail test bed is characterized in that: the steel wire rope pulling part comprises a sliding top seat, a hydraulic motor arranged on the sliding top seat, a rotating shaft connected with the hydraulic motor and a steel wire winch arranged on the rotating shaft, wherein a steel wire rope is wound on the steel wire winch, the extending end of the steel wire rope is provided with a lifting ring, a pulling hanger is arranged on the lifting ring, the pulling hanger comprises an upper lifting hook, a tension sensor arranged at the bottom of the upper lifting hook and a lifting buckle arranged at the bottom of the tension sensor, the lifting buckle comprises a bottom plate, two triangular plates symmetrically arranged on the bottom plate and connecting rods arranged at the tops of the two triangular plates, and a connecting screw rod connected with the tension sensor is arranged on each connecting rod;

the first pressure applying mechanism and the second pressure applying mechanism are identical in structure, the first pressure applying mechanism and the second pressure applying mechanism comprise a bottom sliding rail mechanism arranged in the bottom of the test frame body, a manipulator base arranged on the bottom sliding rail mechanism, a manipulator installed on the manipulator base, a pedal hydraulic rod arranged on the manipulator and a pressure head arranged at the bottom of the pedal hydraulic rod, and a pressure sensor is arranged between the bottom of the pedal hydraulic rod and the pressure head.

The motorcycle pedal and passenger handrail test bed is characterized in that: the hydraulic module comprises a hydraulic oil tank, a hydraulic pump and a filter, wherein the hydraulic pump and the filter are sequentially connected with the hydraulic oil tank, the output end of the filter is connected with an A port of a manual valve, a P port of the manual valve is connected with a plurality of clamping hydraulic oil paths which are connected in parallel, a T port of the manual valve is provided with a tension applying hydraulic oil path and a pressure applying hydraulic oil path, and the hydraulic pump is provided with a first drain valve;

the clamping hydraulic oil paths have the same structure and comprise a branch oil pipe connected with a P port of a manual valve, a one-way valve and a clamping electromagnetic valve which are arranged on the branch oil pipe, and a second drain valve is arranged at an inlet of the one-way valve;

the plurality of clamping electromagnetic valves are respectively connected with a steering handle hydraulic rod in the first steering handle clamping mechanism and the second steering handle clamping mechanism, a tailstock hydraulic rod in the first tailstock clamping piece and a tailstock hydraulic rod in the second tailstock clamping piece;

the tension applying hydraulic oil circuit comprises a tension applying electromagnetic valve and a third drain valve which are connected with a T port of the manual valve, and the tension applying electromagnetic valve is connected with a hydraulic motor in the steel wire rope pulling component;

the pressure applying hydraulic oil circuit comprises a pressure applying electromagnetic valve and a fourth drain valve which are connected with a T port of the manual valve, and the pressure applying electromagnetic valve is connected with a pedal hydraulic rod in the pressure applying mechanism;

and the first drain valve, the second drain valve, the third drain valve and the fourth drain valve are all communicated with a hydraulic oil tank.

Compared with the prior art, the utility model has the following advantage:

1. simple structure, reasonable design and simple and convenient installation and layout.

2. The bottom fixture who adopts includes wheel clamping component and the rear wheel clamping component behind the multiunit before the multiunit, realizes carrying out the centre gripping to the front wheel of motorcycle through wheel clamping component before the multiunit, realizes carrying out the centre gripping to the rear wheel of motorcycle through the rear wheel clamping component of multiunit, avoids the motorcycle pedal to carry out among the pressure test process motorcycle and need straighten with the help of the manual work.

3. The clamping device comprises a first steering handle clamping mechanism, a second steering handle clamping mechanism, a U-shaped clamping fixing piece, a seat tail clamping mechanism and a tension applying mechanism.

4. The first top sliding mechanism and the second top sliding mechanism are adopted to facilitate the sliding of the steel wire rope pulling part along the top sliding mechanism and the second top sliding mechanism, so as to ensure that the pull rope on the armrest of the passenger and the vertical upward pulling force direction of the steel wire rope pulling part are positioned on the same straight line, and effectively adapt to the position of the armrest of the passenger.

5. The adopted first pressure applying mechanism applies pressure to one pedal, the second pressure applying mechanism applies pressure to the other pedal, the pressure test of the two pedals is completed, and the first pressure applying mechanism and the second pressure applying mechanism can move along the length direction of the motorcycle, so that the first pressure applying mechanism and the second pressure applying mechanism can be adjusted to be adaptive to the positions of the two pedals according to the length of the motorcycle, and the adaptive range is improved.

To sum up, the utility model relates to a rationally, can realize the tensile test of motorcycle passenger handrail, can realize the pedal pressure test of motorcycle passenger again, can realize automation, the accuracy of motorcycle pedal and passenger handrail test process, help alleviateing artifical work, ensure experimental safe and reliable, improve inspection work efficiency, guarantee the accuracy of inspection result.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of the motorcycle pedal and passenger handrail test bed of the present invention.

Fig. 2 is a left side view of fig. 1 with the motorcycle and pressure applying mechanism removed.

Fig. 3 is a schematic structural view of the front wheel clamping component of the motorcycle pedal and passenger handrail test bed of the utility model.

Fig. 4 is a top view of fig. 2.

Fig. 5 is a schematic structural view of the handle clamping and sliding mechanism of the motorcycle pedal and passenger handrail test bed of the present invention.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a schematic structural view of the connecting lug of the motorcycle pedal and passenger handrail test bed of the present invention.

Fig. 8 is a schematic structural view of the tension applying mechanism of the motorcycle pedal and passenger handrail test bed of the present invention.

Fig. 9 is a schematic structural view of the U-shaped clamping and fixing member of the motorcycle pedal and passenger handrail testing stand of the present invention.

Fig. 10 is a schematic structural view of the pressure applying mechanism of the motorcycle pedal and rider handrail test bed of the present invention.

Fig. 11 is a schematic structural diagram of the hydraulic module of the motorcycle pedal and passenger handrail test bed of the present invention.

Fig. 12 is a schematic position diagram of the gear and rack of the motorcycle pedal and rider handrail test bed of the present invention.

Description of reference numerals:

1-a test frame body; 1-test bed bottom plate; 1-2-a sloped transition;

1-3-a U-shaped frame; 1-3-1-a first vertical rod; 1-3-2-a second vertical bar;

1-3-top connecting rod; 1-4-outer transverse plate; 2-a first steering handle gripping mechanism;

21-steering handle hydraulic rod; 22-a clamp arm; 23-a handle clamping sliding mechanism;

3-a second steering handle gripping mechanism; 4-a first tailstock clamping piece;

41-a U-shaped clamping fixture; 411 — first horizontal connection; 412 — a first vertical portion;

413-locking bolt; 414-engaging lug; 415 — a second horizontal connection;

416 — a second vertical portion; 417 — first step; 418 — a second step;

42-tailstock hydraulic rod; 43-tailstock clamping sliding mechanism; 5, motorcycle;

5-1-steering handle; 5-2-pedal; 5-3-a seat;

5-4-passenger armrest; 6-a first pressure applying mechanism; 7-a second pressure applying mechanism;

71-a manipulator base; 72-a manipulator; 73-foot hydraulic lever;

74-a pressure sensor; 75-pressure head; 76-a slide rail;

77-rack; 78-hand wheel; 79-vertical axis;

710-gear; 8-a second tailstock clamping piece; 10-a tension applying mechanism;

101 — a first top glide; 102 — a second top glide mechanism; 103-sliding top seat;

104 — a first vertical plate; 105-a hydraulic motor; 106 — a second vertical plate;

107-rotation axis; 108-a wire winder; 109 — a third vertical plate;

1010-steel wire rope; 1011-hanging ring; 1012-upper hook;

1013-a tension sensor; 1014, hanging buckles; 1015-connecting screw rod;

11 — a first clamping member; 11-1-side plate; 11-2-a base plate;

11-3-vertical plate; 110-bottom screw motor; 111-horizontal support bar;

112-a fixed seat; 113-bottom horizontal plate; 114 — a first support plate;

115 — a second support plate; 116-a motor base; 117-coupling;

118-a clamping plate; 119-a bottom screw mandrel; 1110-bottom slider;

1111-bottom guide bar; 12-a second clamping member; 130 — a first bleed valve;

131-a hydraulic pump; 132 — a hydraulic tank; 133-a filter;

134-manual valve; 135-one-way valve; 136-clamping the electromagnetic valve;

137 — a second bleed valve; 138-clamping hydraulic rod; 139-electromagnetic valve for applying pulling force;

1310 — a third vent valve; 1311 — second return line; 1312-a first oil return line;

1313 — a fourth bleed valve; 1314 — third return line; 1315 — pressure application solenoid valve;

230-a slip motor; 231-vertical plate of motor; 232-motor fixing plate;

233, a sliding screw rod; 234 — second mount; 235-a first mount;

236 — a first glide; 237-a second glide; 238-ear plate;

239-sliding base; 2310 connecting the ear seat; 2310-1-a first connecting lug;

2310-2-a second connecting lug; 2311-end support plate;

2312-installing a bottom plate; 261-a U-shaped chute; 262-lower arc-shaped projection;

263-positioning wheel; 264-upper arc bulge; 265-axle.

Detailed Description

As shown in fig. 1 and 2, a motorcycle pedal and rider handrail test bed comprises a test frame body 1, a clamping mechanism arranged on the test frame body 1 and clamping a motorcycle 5, a tension applying mechanism 10 arranged on the test frame body 1 and performing tension test on a rider handrail 5-4 of the motorcycle 5, a pressure applying mechanism arranged on the test frame body 1 and performing pressure test on a pedal 5-2 of the motorcycle 5, and a hydraulic module connected with the clamping mechanism, the tension applying mechanism 10 and the pressure applying mechanism;

the clamping mechanism comprises a bottom clamping mechanism arranged on the bottom of the test frame body 1, a steering handle clamping mechanism arranged in the upper part of the test frame body 1 and used for clamping the steering handle 5-1, and a tailstock clamping mechanism arranged in the middle of the test frame body 1 and used for clamping the tail part of the seat 5-3;

the bottom clamping mechanism comprises a plurality of groups of front wheel clamping components and a plurality of groups of rear wheel clamping components, the structures of each group of front wheel clamping components and each group of rear wheel clamping components are the same, each group of front wheel clamping components and each group of rear wheel clamping components comprise first clamping components 11 and second clamping components 12, the first clamping components 11 and the second clamping components 12 are symmetrically arranged on two sides of the motorcycle 5, and the first clamping components 11 and the second clamping components 12 can be close to or far away from each other;

the steering handle clamping mechanism comprises a first steering handle clamping mechanism 2 and a second steering handle clamping mechanism 3 which respectively clamp two steering handles 5-1, the first steering handle clamping mechanism 2 and the second steering handle clamping mechanism 3 are symmetrically arranged in the test frame body 1, the tailstock clamping mechanism comprises a first tailstock clamping piece 4 and a second tailstock clamping piece 8 which are symmetrically arranged in the test frame body 1, and a U-shaped clamping fixing piece 41 which is connected between the first tailstock clamping piece 4 and the second tailstock clamping piece 8 and clamped on the tail part of the seat 5-3, and the first steering handle clamping mechanism 2, the second steering handle clamping mechanism 3, the first tailstock clamping piece 4 and the second tailstock clamping piece 8 can slide along the length direction of the test frame body 1 and the motorcycle 5;

the tension applying mechanism 10 comprises a first top sliding mechanism 101 and a second top sliding mechanism 102 which are arranged at the top of the test frame body 1, and a steel wire rope pulling part which is arranged at the bottom of the first top sliding mechanism 101 and the second top sliding mechanism 102 and can slide along the length direction of the test frame body 1;

the pressure applying mechanism comprises a first pressure applying mechanism 6 and a second pressure applying mechanism 7 which respectively apply pressure to the two pedals 5-2, the first pressure applying mechanism 6 and the second pressure applying mechanism 7 are symmetrically arranged, and both the first pressure applying mechanism 6 and the second pressure applying mechanism 7 can move along the length direction of the motorcycle 5.

As shown in fig. 2, in this embodiment, the test frame body 1 includes a test bed bottom plate 1-1, a test frame enclosed on the test bed bottom plate 1-1, and an inclined transition portion 1-2 disposed at one side of the test bed bottom plate 1-1, the test frame includes a plurality of U-shaped frame bodies 1-3 arranged along a length direction of the test bed bottom plate 1-1, and a plurality of outer lateral plates 1-4 installed on an outer lateral surface of the U-shaped frame bodies 1-3 and used for connecting the plurality of U-shaped frame bodies 1-3, and the number of the outer lateral plates 1-4 is plural.

As shown in fig. 3 and 4, in this embodiment, the first clamping member 11 and the second clamping member 12 have the same structure, and each of the first clamping member 11 and the second clamping member 12 includes a clamping plate 118 and two bottom clamping screw motor modules symmetrically arranged and fixedly connected to the clamping plate 118;

the bottom clamping screw motor module comprises a mounting seat arranged in the bottom of the test frame body 1, a bottom screw 119 penetrating through the mounting seat, a bottom sliding block 1110 sleeved on the bottom screw 119 and a bottom screw motor 110 driving the bottom screw 119 to rotate, wherein a fixing seat 112 for mounting a horizontal supporting rod 111 is arranged on the bottom sliding block 1110, and the end part of the horizontal supporting rod 111 extending out of the mounting seat is fixedly connected with a clamping plate 118;

the mount pad is including installing bottom horizontal plate 113 on test bench bottom plate 1-1, installing first backup pad 114 in bottom horizontal plate 113 one end and installing the second backup pad 115 on bottom horizontal plate 113, the other end of bottom horizontal plate 113 is provided with the motor cabinet 116 that supplies bottom lead screw motor 110 to install, the output shaft of bottom lead screw motor 110 has shaft coupling 117, shaft coupling 117 passes the tip transmission of second backup pad 115 with bottom lead screw 119 and is connected, be provided with two bottom guide bars 1111 between first backup pad 114 and the second backup pad 115, two bottom guide bar 1111 is laid about bottom lead screw 119 symmetry, bottom guide bar 1111 passes bottom slider 1110, horizontal support bar 111 passes first backup pad 114.

In this embodiment, the first steering handle clamping mechanism 2 and the second steering handle clamping mechanism 3 have the same structure, and the first steering handle clamping mechanism 2 and the second steering handle clamping mechanism 3 both include a handle clamping sliding mechanism 23 installed on the side wall of the test frame body 1, a steering handle hydraulic rod 21 installed on the handle clamping sliding mechanism 23, and a clamp arm 22 installed on the telescopic end of the steering handle hydraulic rod 21;

the first tailstock clamping piece 4 and the second tailstock clamping piece 8 are identical in structure, the first tailstock clamping piece 4 and the second tailstock clamping piece 8 respectively comprise a tailstock clamping and sliding mechanism 43 arranged on the side wall of the test frame body 1 and tailstock hydraulic rods 42 arranged on the tailstock clamping and sliding mechanism 43, and the two tailstock hydraulic rods 42 are connected with the U-shaped clamping and fixing piece 41.

As shown in fig. 5 and fig. 6, in this embodiment, the structures of the handle clamping sliding mechanism 23, the tailstock clamping sliding mechanism 43, the first top sliding mechanism 101 and the second top sliding mechanism 102 are the same, and each of the handle clamping sliding mechanism 23, the tailstock clamping sliding mechanism 43, the first top sliding mechanism 101 and the second top sliding mechanism 102 includes two first sliding pieces 236 and two second sliding pieces 237 symmetrically disposed on the test frame body 1, a sliding screw 233 disposed between the first sliding pieces 236 and the second sliding pieces 237, a sliding motor 230 disposed at one end of the first sliding pieces 236 and one end of the second sliding pieces 237 and in transmission connection with the sliding screw 233, and a sliding base 239 disposed on the sliding screw 233, an ear plate 238 is disposed on the sliding base 239, and a connecting ear seat 2310 is disposed on the ear plate 238;

the first sliding member 236 and the second sliding member 237 have the same structure, the first sliding member 236 and the second sliding member 237 both comprise a sliding rail body, a U-shaped sliding groove 261 arranged in the sliding rail body, a lower arc-shaped protrusion 262 arranged at the bottom of the U-shaped sliding groove 261, and an upper arc-shaped protrusion 264 arranged at the top of the U-shaped sliding groove 261, wheel shafts 265 are symmetrically arranged on two sides of the sliding base 239, a positioning wheel 263 is sleeved on the end portion of each wheel shaft 265, the outer side surface of each positioning wheel 263 is matched with the lower arc-shaped protrusion 262 and the upper arc-shaped protrusion 264, and the positioning wheel 263 can slide along the lower arc-shaped protrusion 262 and the upper arc-shaped protrusion 264.

In this embodiment, as shown in fig. 9, the U-shaped clamping fixture 41 includes a first L-shaped member, a second L-shaped member, and a locking bolt 413 connecting the first L-shaped member and the second L-shaped member, the first L-shaped piece comprises a first horizontal connecting part 411 and a first vertical part 412, the connecting part of the first horizontal connecting part 411 and the first vertical part 412 is arranged in a round-off shape, the second L-shaped piece comprises a second horizontal connecting part 415 and a second vertical part 416, a connecting lug 414 is arranged at the joint of the first horizontal connecting part 411 and the first vertical part 412 and the joint of the second horizontal connecting part 415 and the second vertical part 416, the two connecting lugs 414 are respectively connected with the first tailstock clamping piece 4 and the second tailstock clamping piece 8, the first horizontal connecting portion 411 and the second horizontal connecting portion 415 are provided with a plurality of fixing holes for installing the locking bolts 413.

As shown in fig. 8 and 10, in this embodiment, the wire rope pulling member includes a sliding top seat 103, a hydraulic motor 105 mounted on the sliding top seat 103, a rotating shaft 107 connected to the hydraulic motor 105, and a wire winder 108 mounted on the rotating shaft 107, a wire rope 1010 is wound on the wire winder 108, a hanging ring 1011 is disposed at an extended end of the wire rope 1010, a pulling hanger is mounted on the hanging ring, the pulling hanger includes an upper hook 1012, a tension sensor 1013 disposed at the bottom of the upper hook 1012, and a hanging buckle 1014 mounted at the bottom of the tension sensor 1013, the hanging buckle 1014 includes a bottom plate, two triangular plates symmetrically mounted on the bottom plate, and a connecting rod disposed at the tops of the two triangular plates, and a connecting screw 1015 connected to the tension sensor 1013 is disposed on the connecting rod;

the first pressure applying mechanism 6 and the second pressure applying mechanism 7 have the same structure, the first pressure applying mechanism 6 and the second pressure applying mechanism 7 both comprise a bottom slide rail mechanism arranged in the bottom of the test frame body 1, a manipulator base 71 arranged on the bottom slide rail mechanism, a manipulator 72 arranged on the manipulator base 71, a pedal hydraulic rod 73 arranged on the manipulator 72, and a pressure head 75 arranged at the bottom of the pedal hydraulic rod 73, and a pressure sensor 74 is arranged between the bottom of the pedal hydraulic rod 73 and the pressure head 75.

As shown in fig. 11, in this embodiment, the hydraulic module includes a hydraulic oil tank 132, a hydraulic pump 131 and a filter 133 sequentially connected to the hydraulic oil tank 132, an output end of the filter 133 is connected to an a port of a manual valve 134, a P port of the manual valve 134 is connected to a plurality of clamping hydraulic oil paths connected in parallel, a T port of the manual valve 134 is provided with a tension applying hydraulic oil path and a pressure applying hydraulic oil path, and the hydraulic pump 131 is provided with a first drain valve 130;

the clamping hydraulic oil paths have the same structure, and comprise a branch oil pipe connected with a port P of a manual valve 134, a one-way valve 135 and a clamping electromagnetic valve 136 which are arranged on the branch oil pipe, and a second drain valve 137 is arranged at the inlet of the one-way valve 135;

the plurality of clamping electromagnetic valves 136 are respectively connected with the steering handle hydraulic rod 21 in the first steering handle clamping mechanism 2 and the second steering handle clamping mechanism 3, the tailstock hydraulic rod 42 in the first tailstock clamping piece 4 and the tailstock hydraulic rod 42 in the second tailstock clamping piece 8;

the tension applying hydraulic oil circuit comprises a tension applying electromagnetic valve 139 and a third drain valve 1310 which are connected with a T port of the manual valve 134, and the tension applying electromagnetic valve 139 is connected with the hydraulic motor 105 in the steel wire rope pulling component;

the pressure application hydraulic oil path comprises a pressure application solenoid valve 1315 and a fourth drain valve 1313 which are connected to a port T of the manual valve 134, and the pressure application solenoid valve 1315 is connected to the foot operated hydraulic rod 73 in the pressure application mechanism;

the first vent valve 130, the second vent valve 137, the third vent valve 1310 and the fourth vent valve 1313 are all in communication with the hydraulic reservoir 132.

In this embodiment, the robot 72 may refer to a stacking robot.

In this embodiment, the sliding top seat 103 is provided with a first vertical plate 104 and a second vertical plate 106 for mounting a hydraulic motor 105, and a third vertical plate 109 for penetrating a rotating shaft 107.

In this embodiment, the first sliding member 236 is provided with a plurality of first mounting seats 235. A plurality of second mounting seats 234 are arranged on the second sliding piece 237, and an ear plate 238 is arranged between the connecting ear seat 2310 and the sliding base 239.

In the embodiment, the bottom clamping mechanism comprises a plurality of groups of front wheel clamping components and a plurality of groups of rear wheel clamping components, the front wheels of the motorcycle 5 are clamped through the plurality of groups of front wheel clamping components, the rear wheels of the motorcycle 5 are clamped through the plurality of groups of rear wheel clamping components, and the motorcycle 5 is prevented from being straightened by manpower in the pressure testing process of the pedal 5-2 of the motorcycle 5;

the first steering handle clamping mechanism 2 is arranged to clamp one steering handle 5-1, the second steering handle clamping mechanism 3 is arranged to clamp the other steering handle 5-1, and meanwhile, the U-shaped clamping fixing piece 41 is used for clamping the tail of the seat 5-3, so that clamping of the front part and the tail part of the motorcycle is achieved, the phenomenon that the motorcycle deviates or moves upwards in the process that the pulling force applying mechanism 10 applies pulling force to the passenger handrail 5-4 is avoided, and the accuracy of a pulling force test is improved.

In this embodiment, the first top sliding mechanism 101 and the second top sliding mechanism 102 are provided to facilitate the sliding of the steel cable pulling member along the first top sliding mechanism 101 and the second top sliding mechanism 102, so as to ensure that the pulling rope on the armrest 5-4 of the passenger and the vertical upward pulling direction of the steel cable pulling member are located on the same straight line, which effectively adapts to the position of the armrest 5-4 of the passenger.

In the embodiment, the first pressure applying mechanism 6 is arranged to apply pressure to one pedal 5-2, the second pressure applying mechanism 7 is arranged to apply pressure to the other pedal 5-2, and the pressure test of the two pedals 5-2 is completed, and the first pressure applying mechanism 6 and the second pressure applying mechanism 7 can move along the length direction of the motorcycle 5, so that the first pressure applying mechanism 6 and the second pressure applying mechanism 7 can be adjusted to be matched with the positions of the two pedals 5-2 according to the length of the motorcycle 5, and the adaptive range is improved.

In this embodiment, the U-shaped frame 1-3 includes two first vertical rods 1-3-1 and two second vertical rods 1-3-2 symmetrically arranged and a top connecting rod 1-3-3 connected between the tops of the first vertical rods 1-3-1 and the second vertical rods 1-3-2, the joint of the top connecting rod 1-3-3 and the first vertical rod 1-3-1 and the joint of the top connecting rod 1-3-3 and the second vertical rod 1-3-2 are arranged in a chamfered manner, and the outer lateral plate 1-4 is sequentially arranged by the first vertical rods 1-3-1, the top connecting rod 1-3-3 and the second vertical rod 1-3-2.

In the actual installation process of the embodiment, an outer transverse plate 1-4 is additionally arranged at the joint of the top connecting rod 1-3-3 and the first vertical rod 1-3-1 and the joint of the top connecting rod 1-3-3 and the second vertical rod 1-3-2.

In the embodiment, a plurality of U-shaped frame bodies 1-3 and outer transverse plates 1-4 are arranged to form a test frame, so that firstly, a motorcycle 5 to be tested is enclosed, and casualties of testing personnel caused by the fact that parts of the motorcycle 5 break and fly out are avoided; secondly, the installation of the first steering handle clamping mechanism 2, the second steering handle clamping mechanism 3, the first tailstock clamping piece 4, the second tailstock clamping piece 8 and the pulling force applying mechanism 10 is facilitated, and the U-shaped frame body 1-3 is of an integral structure, so that the installation stability of the first steering handle clamping mechanism 2, the second steering handle clamping mechanism 3, the first tailstock clamping piece 4, the second tailstock clamping piece 8 and the pulling force applying mechanism 10 is improved; thirdly, the gaps of the U-shaped frame bodies 1-3 are convenient for a tester to observe in the process of testing the motorcycle 5.

In this embodiment, during actual installation, the bottom horizontal plate 113 in the installation base is located on the bottom plate 1-1 of the test bed in the test frame body 1.

In this embodiment, the height from the top of the clamping plate 118 to the test bed bottom plate 1-1, the height from the top of the first support plate 114 to the test bed bottom plate 1-1, and the height from the top of the second support plate 115 to the test bed bottom plate 1-1 decrease sequentially.

In this embodiment, in actual use, the structures of the fixing base 112 and the motor base 116 are the same, and the fixing base 112 and the motor base 116 both include a bottom plate 11-2, a vertical plate 11-3 disposed on one side of the bottom plate 11-2, and two side plates 11-1 symmetrically connected between the bottom plate 11-2 and the vertical plate 11-3, where the side plates 11-1 are right triangle side plates.

In this embodiment, in practical use, the vertical plate 11-3 in the fixing base 112 facilitates the installation of the end of the horizontal supporting rod 111, the bottom plate 11-2 in the fixing base 112 facilitates the attachment and installation of the top of the bottom sliding block 1110, and the side plate 11-1 in the fixing base 112 reinforces the vertical plate 11-3 and the bottom plate 11-2, thereby improving the stability of the vertical plate 11-3.

In this embodiment, during actual use, the vertical plate 11-3 in the motor base 116 facilitates the penetration of the output shaft of the bottom screw motor 110, so as to facilitate the transmission connection between the coupler 117 and the output shaft of the bottom screw motor 110, the bottom plate 11-2 in the motor base 116 is convenient to be attached to and installed on the top of the bottom horizontal plate 113, and the side plate 11-1 in the motor base 116 reinforces the vertical plate 11-3 and the bottom plate 11-2, thereby improving the stability of the vertical plate 11-3 in the motor base 116 and improving the installation stability of the bottom screw motor 110.

In this embodiment, in practical use, the distance between two adjacent first clamping members 11 and two adjacent second clamping members 12 is the same, so that the clamping plate 118 is conveniently installed on any two adjacent bottom clamping screw motor modules, the position of the clamping plate 118 is conveniently adjusted according to the length of the motorcycle 5, and the clamping of the front wheel and the rear wheel of the motorcycle 5 is finally realized.

In this embodiment, the bottom guide rod 1111 is disposed between the first support plate 114 and the second support plate 115, so as to guide and position the bottom sliding block 1110 in the process of driving the bottom sliding block 1110 to move along the length direction of the bottom screw 119 by the transmission of the bottom screw 119, thereby preventing the bottom sliding block 1110 from shifting, ensuring that the bottom sliding block 1110 axially moves along the horizontal support rod 111, and preventing the horizontal support rod 111 from radially shifting.

In this embodiment, the first supporting plate 114 is disposed on the bottom horizontal plate 113 to facilitate the penetration of the horizontal supporting rod 111, and on the one hand, the first supporting plate is matched with the fixing seat 112 to increase the height of the horizontal supporting rod 111 from the bottom horizontal plate 113, so that the end surface of the horizontal supporting rod 111 is fixedly connected with the middle of the clamping plate 118; on the other hand, the horizontal support rod 111 is limited in the radial direction, so that the thrust on the bottom sliding block 1110 does not generate component force, and the clamping stability of the clamping plate 118 is improved; thirdly, to facilitate the installation of the horizontal support bar 111 and the bottom guide 1111 in cooperation with the second support plate 115.

In this embodiment, the bottom sliding block 1110 is provided to facilitate the installation of the fixing base 112 and the horizontal supporting rod 111, so as to achieve the mutual approaching or departing of the two clamping plates 118.

In this embodiment, during practical use, the bottom of the clamping plate 118 is attached to the bottom horizontal plate 113, so as to improve the clamping stability.

In this embodiment, the first sliding member 236 and the second sliding member 237 are provided, and secondly, in order to facilitate the arrangement of the positioning wheel 263, the sliding base 239 is further positioned by the positioning wheel 263; secondly, in order to facilitate the installation of the sliding base 239 behind the sliding screw rod 233, the distance between the two side surfaces of the sliding base 239 and the first sliding piece 236 is the same as that between the two side surfaces of the sliding base 239 and the second sliding piece 237, so that the limitation on the sliding base 239 is realized, and the moving linearity of the sliding base 239 is improved.

In this embodiment, the sliding base 239 is provided to facilitate the installation of the ear plate 238 and the connecting ear seat 2310.

In this embodiment, the plurality of first installation seats 235 are arranged along the length direction of the first sliding member 236, the plurality of second installation seats 234 are arranged along the length direction of the second sliding member 237, and the first installation seats 235 and the second installation seats 234 are located on the installation base plate 2312.

In this embodiment, in actual use, the first mounting seat 235, the second mounting seat 234 and the mounting bottom plate 2312 are provided with mounting holes for bolts to penetrate through.

In this embodiment, in actual use, the first mounting seat 235, the second mounting seat 234, and the mounting base plate 2312 are mounted on the U-shaped frame 1-3.

In this embodiment, the bottom of the first sliding member 236 and the bottom of the second sliding member 237 are provided with an installation bottom plate 2312, one end of the installation bottom plate 2312 is provided with a motor base for installing the sliding motor 230, the other end of the installation bottom plate 2312 is provided with an end supporting plate 2311, and one end of the sliding screw rod 233, which is far away from the sliding screw rod 233, is installed in the end supporting plate 2311 through a bearing.

The motor base comprises a motor fixing plate 232 and a motor vertical plate 231 installed on the motor fixing plate 232, the bottom of the sliding motor 230 is in contact with the top surface of the motor fixing plate 232, an output shaft of the sliding motor 230 penetrates through the motor vertical plate 231, and the sliding motor 230 penetrates through the output shaft of the motor vertical plate 231 and is in transmission connection with a sliding screw rod 233 through a coupler.

As shown in fig. 7, in the present embodiment, the connecting ear seat 2310 includes a first connecting ear seat 2310-1 mounted on the ear plate 238 and a second connecting ear seat 2310-2 integrally formed with the first connecting ear seat 2310-1.

In this embodiment, the second connecting lug 2310-2 is provided to facilitate the installation of the clamping hydraulic rod.

In this embodiment, the lug 2310 is connected in the handle clamping and sliding mechanism 23 and the tailstock clamping and sliding mechanism 43, so as to facilitate the installation of the upper ends of the steering handle hydraulic rod 21 and the tailstock hydraulic rod 42; the lug 2310 is connected in the first top slide 101 and the second top slide 102 to facilitate the fixed connection of the sliding top seat 103.

In this embodiment, the U-shaped sliding slot 261 is disposed in the first sliding member 236 and the second sliding member 237, so as to facilitate the arrangement of the lower arc-shaped protrusion 262 and the upper arc-shaped protrusion 264, and the sliding rail body, the lower arc-shaped protrusion 262 and the upper arc-shaped protrusion 264 are integrally formed, so that the structure of the sliding member is simplified, and the arrangement of the positioning wheel 263 is facilitated.

In this embodiment, a first sliding member 236 and a second sliding member 237 are provided, and firstly, in order to facilitate the arrangement of the positioning wheel 263, the positioning wheel 263 is used to further position the sliding base 239; secondly, in order to facilitate the installation of the sliding base 239 behind the sliding screw rod 233, the distance between the two side surfaces of the sliding base 239 and the first sliding piece 236 is the same as that between the two side surfaces of the sliding base 239 and the second sliding piece 237, so that the limitation on the sliding base 239 is realized, and the moving linearity of the sliding base 239 is improved.

In this embodiment, the sliding motor 230 is arranged to rotate the sliding motor 230 to drive the sliding screw 233 to rotate, and the sliding screw 233 rotates to drive the sliding base 239 to move along the length direction of the sliding screw 233, so that the adjustment can be effectively performed according to the motorcycle test requirements.

In this embodiment, in actual use, the sum of the thicknesses of the first horizontal connecting portion 411 and the second horizontal connecting portion 415 is the same as the thicknesses of the first vertical portion 412 and the second vertical portion 416, so that after the first horizontal connecting portion 411 and the second horizontal connecting portion 415 are fixedly mounted, one side surface of the first horizontal connecting portion 411 and one side surface of the first vertical portion 412 are flush with one side surface of the second vertical portion 416, and one side surface of the second horizontal connecting portion 415 and one side surface of the first vertical portion 412 are flush with the other side surface of the second vertical portion 416.

In this embodiment, in actual use, the fixed end of the tailstock hydraulic rod 41 is connected to the second connecting lug 2310-2 of the connecting lug 2310, and the telescopic end of the tailstock hydraulic rod 41 is connected to the connecting lug 414.

In this embodiment, in practical use, the fixed end of the steering handle hydraulic rod 21 is connected to the second connecting lug 2310-2 of the connecting lug 2310, and the clamping arm 22 is installed at the telescopic end of the tailstock hydraulic rod 41.

In this embodiment, the first horizontal connecting portion 411 is provided with a plurality of first fixing holes, the second horizontal connecting portion 415 is provided with a plurality of second fixing holes, the locking bolt 413 is inserted into the first fixing holes and the second fixing holes, the end portion of the first vertical portion 412 close to the first horizontal connecting portion 411 is provided with a first step portion 417, the end portion of the second vertical portion 416 close to the second horizontal connecting portion 415 is provided with a second step portion 418, and the first horizontal connecting portion 411 and the second horizontal connecting portion 415 are attached to each other.

In this embodiment, the first horizontal connecting portion 411 and the second horizontal connecting portion 415 are provided to connect the first L-shaped member and the second L-shaped member, so that the first L-shaped member and the second L-shaped member are both connected to the first tailstock clamping member 4 and the second tailstock clamping member 8; in addition, the overlapped length of the first horizontal connecting part 411 and the second horizontal connecting part 415 is adjusted by adjusting the overlapped position of the first fixing hole and the second fixing hole, so that the seats 5-3 with different widths are effectively adapted.

In this embodiment, the tension sensor 1013 and the pressure sensor 74 may both refer to TQ-715 tension pressure sensors.

In this embodiment, it should be noted that, when the top surface of the pedal 5-2 is a plane, the pressing head 75 is a cylindrical pressing head, and the bottom surface of the cylindrical pressing head is horizontally arranged; when the top surface of the pedal 5-2 is an arc surface, the pressure head 75 comprises a U-shaped body and an arc-shaped portion arranged at the bottom of the U-shaped body, and the arc-shaped portion is bent close to the inside of the U-shaped body, so that the arc-shaped portion is matched with the top surface of the pedal 5-2.

In this embodiment, it should be noted that the shape of the indenter 75 can be adjusted according to the shape of the foot rest 5-2 of the motorcycle 5, so that the indenter 75 can be adapted to the foot rest 5-2.

In this embodiment, the hydraulic motor 105 is set to rotate, so that the hydraulic motor 105 rotates to drive the steel wire winch 108 to rotate, the steel wire winch 108 rotates to drive the steel wire rope 1010 to wind, the steel wire rope 1010 winds to pull the passenger handrail 5-4 through the suspension clasp 1014 and the pull rope, and tension is applied to the passenger handrail 5-4;

the tension sensor 1013 is arranged to detect the tension applied by the wire rope 1010 to the armrest 5-4 of the passenger, so as to realize the accuracy of the tension application.

As shown in fig. 12, in this embodiment, the bottom slide rail mechanism includes two slide rails 76 symmetrically disposed on the test bed bottom plate 1-1 and a rack 77 disposed between the two slide rails 76, a hand wheel 78 is disposed on the manipulator base 71, a vertical shaft 79 is disposed on the hand wheel 78, the vertical shaft 79 penetrates through the manipulator base 71, a gear 710 is disposed at a bottom of the vertical shaft 79 extending into the manipulator base 71, and the gear 710 is engaged with the rack 77.

In this embodiment, the handwheel 78 and the gear 710 are arranged to rotate the gear 710 by rotating the handwheel 78, on one hand, the gear 710 is engaged with the rack 77 to define the motion track of the gear 710, and thus the sliding track of the manipulator 72 is defined; on the other hand, when the rotation of the handwheel 78 is stopped, the sliding movement of the gear 710 is limited by the rack 77, and the locking of the gear 710 is realized.

In this embodiment, the hand wheel 78 and the gear 710 are used to adjust the positions of the manipulator 72, the pedal hydraulic rod 73 and the ram 75 so as to adapt to the position of the pedal 5-2 of the motorcycle 5, thereby facilitating the pressure application test.

In this embodiment, the plurality of steering handle hydraulic rods 21 and the plurality of tailstock hydraulic rods 42 are both referred to as clamping hydraulic rods 138;

in this embodiment, during actual connection, the clamping solenoid valves 136 are respectively used for controlling the clamping hydraulic rods 138.

In this embodiment, during actual connection, the number of the clamping electromagnetic valves 136 is four, and the four clamping electromagnetic valves 136 are respectively used for controlling the two steering handle hydraulic rods 21 and the two tailstock hydraulic rods 42.

In this embodiment, during actual connection, the port P of the clamping solenoid valve 136 is connected to the output end of the check valve 135, the port a of the clamping solenoid valve 136 is connected to one oil port of the clamping hydraulic rod 138, the port B of the clamping solenoid valve 136 is connected to the other oil port of the clamping hydraulic rod 138, and the port T of the clamping solenoid valve 136 is connected to the hydraulic oil tank 132 through the first oil return line 1312;

the port P of the pulling force applying solenoid valve 139 is connected with the port T of the manual valve 134 through a first pipeline, the port a of the pulling force applying solenoid valve 139 is connected with one port of the hydraulic motor 105, the port B of the pulling force applying solenoid valve 139 is connected with the other port of the hydraulic motor 105, and the port T of the pulling force applying solenoid valve 139 is connected with the hydraulic oil tank 132 through a second oil return pipeline 1311;

the port P of the pressure applying solenoid valve 1315 is connected to the port T of the manual valve 134 through a second line, the port a of the pressure applying solenoid valve 1315 is connected to one port of the foot-operated hydraulic rod 73, the port B of the pressure applying solenoid valve 1315 is connected to the other port of the foot-operated hydraulic rod 73, and the port T of the pressure applying solenoid valve 1315 is connected to the hydraulic oil tank 132 through a third oil return line 1314;

the second overflow valve 137 is connected between the inlet of the check valve 137 and the hydraulic oil tank 132;

the third overflow valve 1310 is connected between the port P of the tension applying solenoid valve 139 and the hydraulic oil tank 132; the fourth relief valve 1314 is connected between the P port of the pressure applying solenoid valve 1315 and the hydraulic oil tank 132.

In this embodiment, because the motorcycle test firstly requires the motorcycle fixation, the test bench integrates the hydraulic power sources for clamping the hydraulic oil path, the tension applying hydraulic oil path and the pressure applying hydraulic oil path, and the switching between the clamping hydraulic oil path and the tension applying hydraulic oil path and the pressure applying hydraulic oil path is completed through the manual valve 134.

In this embodiment, when the manual valve 134 is not operated, the clamping hydraulic oil circuit is conducted, the tester can operate the opening of the clamping electromagnetic valve 136 to supply oil to the plurality of clamping hydraulic rods 138, and the clamping hydraulic rods 138 extend to complete the clamping action on the steering handle 5-1 and the seat 5-3 of the motorcycle 5;

when the manual valve 134 is manually switched, the tension applying hydraulic oil path or the pressure applying hydraulic oil path is conducted, however, the existence of the one-way valve 135 prevents the backflow of the hydraulic oil in the clamping hydraulic oil path, the clamping action is still effective, and the tester can operate the tension applying electromagnetic valve 139 to suck, so that the oil supply to the hydraulic motor 105 is realized, and the tension loading is further realized; or the pressure application solenoid valve 1315 is closed to supply oil to the pedal hydraulic lever 73, thereby loading pressure.

In this embodiment, the hydraulic motor 105 may refer to a BM6 series low speed high torque hydraulic motor.

In this embodiment, the hydraulic motor 105 is provided for the first reason that the hydraulic motor 105 has the advantage of controllable tension compared with a common motor; secondly, because the rotational speed of hydraulic motor 105 can embody with the flow control of hydraulic oil, its moment of torsion can embody with the pressure control of hydraulic oil to with centre gripping hydraulic pressure oil circuit sharing hydraulic power source, can save the space that the mechanism was arranged, avoid adopting motor drive, the reduction gear of its adaptation also accounts for the space, and can increase the bearing capacity of U-shaped frame structure, be unfavorable for the security of test bench.

In this embodiment, the bottom screw motor 110 and the slide motor 230 can both refer to the AKM2G series of servo motors.

In this embodiment, the first vent valve 130, the second vent valve 137 and the third vent valve 1310 are provided because due to the existence of the pressure-adjustable relief valve, no additional sensor is needed in the test to monitor the force application value of the test for clamping the hydraulic oil path and applying the hydraulic oil path by the tensile force, and once the set warning value is exceeded, the hydraulic oil returns to the oil cylinder through the relief loop, so that the test safety is ensured, and the accidental damage of the sample motorcycle 5 is prevented.

Utilize the utility model discloses it includes following step to test motorcycle pedal and passenger's handrail:

step one, clamping a motorcycle wheel:

step 101, operating a first clamping part 11 and a second clamping part 12 of the front wheel clamping part and the rear wheel clamping part to be away from each other until the distance between the first clamping part 11 and the second clamping part 12 is larger than the width of the motorcycle 5 to be tested;

102, moving the motorcycle 5 to be tested to a test bed bottom plate 1-1 through an inclined transition part 1-2; wherein the motorcycle 5 is located between the first clamp member 11 and the second clamp member 12;

step 103, operating the first clamping member 11 and the second clamping member 12 of the front wheel clamping member to approach each other, and operating the first clamping member 11 and the second clamping member 12 of the rear wheel clamping member to approach each other at the same time, so that the first clamping member 11 and the second clamping member 12 of the front wheel clamping member are in close contact with the front wheel of the motorcycle 5, and the first clamping member 11 and the second clamping member 12 of the rear wheel clamping member are in close contact with the rear wheel of the motorcycle 5;

step two, clamping the motorcycle steering handle and the motorcycle seat:

clamping one steering handle 5-1 of the motorcycle 5 by the first steering handle clamping mechanism 2, and clamping the other steering handle 5-1 of the motorcycle 5 by the second steering handle clamping mechanism 3; meanwhile, a tailstock clamping mechanism is adopted to clamp the tail part of the seat 5-3 of the motorcycle 5;

step three, testing the tension of the motorcycle passenger handrail:

step 301, operating the first top sliding mechanism 101 and the second top sliding mechanism 102 to drive the steel wire rope pulling part to move along the length direction of the motorcycle 5 until the steel wire rope pulling part moves right above the armrest 5-4 of the passenger;

step 302, installing a pulling hanger at the bottom of the steel wire rope pulling part; the pulling and lifting appliance comprises an upper lifting hook 1011, a tension sensor 1013 arranged at the bottom of the upper lifting hook 1011 and a lifting buckle 1014 arranged at the bottom of the tension sensor 1013, wherein the lifting buckle 1014 comprises a bottom plate, two triangular plates symmetrically arranged on the bottom plate and a connecting rod arranged at the tops of the two triangular plates, and the connecting rod is provided with a connecting screw 1015 detachably connected with the tension sensor 1013;

step 303, fixedly connecting the center position of the passenger armrest 5-4 with the lifting appliance by adopting a pull rope; wherein, the pull rope on the passenger armrest 5-4 and the vertical upward pulling direction of the steel wire rope pulling part are positioned on the same straight line;

step 304, operating the hydraulic motor 105 to rotate, wherein the hydraulic motor 105 rotates to drive the steel wire winch 108 to rotate, the steel wire winch 108 rotates to drive the steel wire rope 1010 to wind, and the steel wire rope 1010 winds to pull the passenger handrail 5-4 through the lifting buckle 1014 and the pull rope to apply tension to the passenger handrail 5-4;

305, in the process of carrying out a first tension test on the passenger armrest 5-4, detecting the tension applied on the passenger armrest 5-4 by the steel wire rope 1010 by the tension sensor 1013 to obtain a first tension value; wherein the first pulling force value is 200N;

step 306, when the passenger armrest 5-4 is not broken, repeating the steps 304 to 305, and carrying out next tension test on the passenger armrest 5-4; wherein, in the process of carrying out the ith tension test on the passenger handrail 5-4, the tension sensor 1013 detects the tension applied on the passenger handrail 5-4 by the steel wire rope 1010 to obtain the ith tension value which is marked as F_i(ii) a In the armrest 5-4 of the passengerin the process of i +1 times of tension test, the tension sensor 1013 detects the tension applied to the armrest 5-4 of the passenger by the steel wire rope 1010 to obtain the (i + 1) th tension value which is recorded as F_i+1And F is_i+1-F_i100N, i is a positive integer;

307, when the tensile force exerted on the passenger handrail 5-4 by the steel wire rope 1010 is equal to 2000N, the passenger handrail 5-4 is not broken, the tensile force test of the passenger handrail 5-4 is completed, and the tensile force test of the passenger handrail 5-4 is qualified;

step four, testing the pressure of the motorcycle pedal:

step 401, operating the bottom sliding mechanism to drive the manipulator 72 to move along the length direction of the motorcycle 5 until the manipulator 72 moves to a position right above the pedal 5-2; a foot-operated hydraulic rod 73 is arranged at the bottom of the manipulator 72, a pressure sensor 74 is arranged at the bottom of the foot-operated hydraulic rod 73, and the ram 75 is mounted at the bottom of the pressure sensor 74;

step 402, installing a pressure head 75 on the pedal 5-2; wherein, the bottom of the pressure head 75 is attached to the outer side surface of the top of the pedal 5-2;

step 403, operating the pedal hydraulic rod 73 to extend, and applying pressure to the pedals 5-2 through the pressure head 75 when the pedal hydraulic rod 73 extends;

step 404, in the process of carrying out the first pressure test on the pedal 5-2, the pressure sensor 74 detects the pressure exerted on the pedal 5-2 by the pressure head 75 to obtain a first pressure value; wherein the first pressure value is 100N;

step 405, when the pedal 5-2 is not broken, repeating the steps 403 to 404, and carrying out the next pressure test on the pedal 5-2; wherein, during the j-th pressure test of pedal 5-2, pressure sensor 74 detects the pressure exerted on pedal 5-2 by ram 75 to obtain the j-th pressure value denoted as F'_j(ii) a During the j +1 th pressure test of pedal 5-2, pressure sensor 74 detects the pressure exerted by ram 75 on pedal 5-2, and the j +1 th pressure value is recorded as F'_j+1And F'_j+1-F′_j100N; j is a positive integer;

and 406, when the pressure exerted on the pedal 5-2 by the pressure head 75 is equal to 1700N, the pedal 5-2 is not broken, and the pressure test of the pedal 5-2 is completed, which indicates that the pressure test of the pedal 5-2 is qualified.

In this embodiment, in the second step, the motorcycle steering handle and the motorcycle seat are clamped, and the specific steps are as follows:

step 201, operating a handle clamping and sliding mechanism to drive a steering handle hydraulic rod 21 to slide along the length direction of the motorcycle 5 until the steering handle hydraulic rod 21 slides to a steering handle 5-1;

202, clamping a clamping arm 22 arranged at the telescopic end of a steering handle hydraulic rod 21 at a steering handle 5-1;

step 203, connecting U-shaped clamping fixing pieces 41 at the telescopic ends of the two tailstock hydraulic rods 42;

step 204, operating the tailstock sliding mechanism to drive the tailstock hydraulic rod 42 to slide along the length direction of the motorcycle 5 until the tailstock hydraulic rod 42 drives the U-shaped clamping fixing piece 41 to slide to the seat 5-3;

step 205, clamping the U-shaped clamping fixing piece 41 at the seat 5-3;

step 206, operating the steering handle hydraulic rod 21 to extend, and fixedly clamping the steering handle 5-1 by the clamping arm 22 after the steering handle hydraulic rod 21 extends; meanwhile, the tailstock hydraulic rod 42 is operated to extend, and the U-shaped clamping fixing piece 41 extends to fixedly clamp the seat 5-3 through the U-shaped clamping fixing piece 41;

the plurality of steering handle hydraulic rods 21 and the plurality of tailstock hydraulic rods 42 are both referred to as clamping hydraulic rods 138;

in step 206, the steering handle hydraulic rod 21 and the tailstock hydraulic rod 42 are operated to extend, and the specific process is as follows:

opening the plurality of clamping electromagnetic valves 136, opening the hydraulic pump 131 to convey the hydraulic oil in the hydraulic oil tank 132 to the filter 133, and filtering the hydraulic oil by the filter 133 to enter the manual valve 134, wherein the oil port A of the manual valve 134 is communicated with the oil port P of the manual valve 134, the oil port A of the clamping electromagnetic valve 136 is communicated with the oil port P, the oil port B of the clamping electromagnetic valve 136 is communicated with the oil port T, the hydraulic oil passes through the manual valve 134 and the clamping electromagnetic valve 136 to the plurality of clamping hydraulic rods 138, so that the steering handle hydraulic rod 21 is extended, and the tailstock hydraulic rod 42 is extended;

in step 304, the hydraulic motor 105 is operated to rotate, which comprises the following steps:

the manual valve 134 and the pulling force applying solenoid valve 139 are operated to be opened, the port a of the manual valve 134 is communicated with the port T of the manual valve 134, the port a of the pulling force applying solenoid valve 139 is communicated with the port P, the port B of the pulling force applying solenoid valve 139 is communicated with the port T, hydraulic oil is supplied to the hydraulic motor 105 through the manual valve 134 and the pulling force applying solenoid valve 139, and the hydraulic motor 105 rotates.

In this embodiment, the gripping solenoid valve 136, the pressure applying solenoid valve 1315, and the tension applying solenoid valve 139 are all three-position four-way solenoid valves.

In this embodiment, when the clamping solenoid valve 136, the pressure applying solenoid valve 1315, and the tension applying solenoid valve 139 are closed, the P ports of the clamping solenoid valve 136, the pressure applying solenoid valve 1315, and the tension applying solenoid valve 139 communicate with the T ports of the clamping solenoid valve 136, the pressure applying solenoid valve 1315, and the tension applying solenoid valve 139, respectively.

In this embodiment, when the steering handle hydraulic rod 21 and the tailstock hydraulic rod 42 are required to be retracted after the test is completed, the plurality of clamping solenoid valves 136 are operated, so that the oil ports B and P of the clamping solenoid valves 136 are communicated, the oil ports a and T of the clamping solenoid valves 136 are communicated, the hydraulic oil passes through the manual valve 134 and the clamping solenoid valves 136 to the plurality of clamping hydraulic rods 138, and then the steering handle hydraulic rod 21 and the tailstock hydraulic rod 42 are retracted. When the reverse rotation of the hydraulic motor 105 is required, the pulling force applying solenoid valve 139 is operated to communicate the port B with the port P of the pulling force applying solenoid valve 139, the port a with the port T of the pulling force applying solenoid valve 139, and the hydraulic oil is supplied to the hydraulic motor 105 through the manual valve 134.

In this embodiment, when the pedal hydraulic rod 73 needs to be retracted after the test is completed, the pressure applying solenoid valve 1315 is operated to communicate the port B and the port P of the pressure applying solenoid valve 1315, the port a and the port T of the pressure applying solenoid valve 1315, and the hydraulic oil flows through the manual valve 134 and the pressure applying solenoid valve 1315 to the pedal hydraulic rod 73, so that the pedal hydraulic rod 73 is retracted.

To sum up, the utility model relates to a rationally, can realize that automation, the accuracy of motorcycle pedal and passenger handrail test process help alleviateing the hand labor, ensure experimental safe and reliable, improve inspection work efficiency, guarantee the accuracy of inspection result.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (8)

1. The utility model provides a motorcycle is pedal and passenger's handrail test bench which characterized in that: the device comprises a test frame body (1), a clamping mechanism, a tension applying mechanism, a pressure applying mechanism and a hydraulic module, wherein the clamping mechanism is arranged on the test frame body (1) and clamps a motorcycle (5), the tension applying mechanism (10) is arranged on the test frame body (1) and is used for performing tension test on a rider handrail (5-4) of the motorcycle (5), the pressure applying mechanism is arranged on the test frame body (1) and is used for performing pressure test on a pedal (5-2) of the motorcycle (5), and the hydraulic module is connected with the clamping mechanism, the tension applying mechanism (10) and the pressure applying mechanism;

the clamping mechanism comprises a bottom clamping mechanism arranged on the bottom of the test frame body (1), a steering handle clamping mechanism arranged in the upper part of the test frame body (1) and used for clamping a steering handle (5-1) of a driver, and a tailstock clamping mechanism arranged in the middle of the test frame body (1) and used for clamping the tail part of the seat (5-3);

the bottom clamping mechanism comprises a plurality of groups of front wheel clamping components and a plurality of groups of rear wheel clamping components, the structures of each group of front wheel clamping components and each group of rear wheel clamping components are the same, each group of front wheel clamping components and each group of rear wheel clamping components comprise first clamping components (11) and second clamping components (12), the first clamping components (11) and the second clamping components (12) are symmetrically arranged on two sides of the motorcycle (5), and the first clamping components (11) and the second clamping components (12) can be close to or far away from each other;

the steering handle clamping mechanism comprises a first steering handle clamping mechanism (2) and a second steering handle clamping mechanism (3) which respectively clamp two steering handles (5-1), the first steering handle clamping mechanism (2) and the second steering handle clamping mechanism (3) are symmetrically arranged in the test frame body (1), the tailstock clamping mechanism comprises a first tailstock clamping piece (4) and a second tailstock clamping piece (8) which are symmetrically arranged in the test frame body (1), and a U-shaped clamping fixed piece (41) which is connected between the first tailstock clamping piece (4) and the second tailstock clamping piece (8) and clamped on the tail part of the seat (5-3), the first steering handle clamping mechanism (2), the second steering handle clamping mechanism (3), the first tailstock clamping piece (4) and the second tailstock clamping piece (8) can slide along the length direction of the test frame body (1) and the motorcycle (5);

the tension applying mechanism (10) comprises a first top sliding mechanism (101) and a second top sliding mechanism (102) which are arranged at the top of the test frame body (1), and a steel wire rope pulling part which is arranged at the bottoms of the first top sliding mechanism (101) and the second top sliding mechanism (102) and can slide along the length direction of the test frame body (1);

the pressure applying mechanism comprises a first pressure applying mechanism (6) and a second pressure applying mechanism (7) which respectively apply pressure to the two pedals (5-2), the first pressure applying mechanism (6) and the second pressure applying mechanism (7) are symmetrically arranged, and the first pressure applying mechanism (6) and the second pressure applying mechanism (7) can move along the length direction of the motorcycle (5).

2. A motorcycle foot pedal and rider handrail test stand according to claim 1, wherein: the test frame body (1) comprises a test bed bottom plate (1-1), a test frame arranged on the test bed bottom plate (1-1) in an enclosing mode and an inclined transition portion (1-2) arranged on one side of the test bed bottom plate (1-1), the test frame comprises a plurality of U-shaped frame bodies (1-3) arranged along the length direction of the test bed bottom plate (1-1) and outer side transverse plates (1-4) arranged on the outer side face of each U-shaped frame body (1-3) and used for being connected with the U-shaped frame bodies (1-3), and the number of the outer side transverse plates (1-4) is multiple.

3. A motorcycle foot pedal and rider handrail test stand according to claim 1, wherein: the first clamping part (11) and the second clamping part (12) are identical in structure, and the first clamping part (11) and the second clamping part (12) respectively comprise a clamping plate (118) and two bottom clamping screw rod motor modules which are symmetrically arranged and fixedly connected with the clamping plate (118);

the bottom clamping screw rod motor module comprises a mounting seat mounted in the bottom of the test frame body (1), a bottom screw rod (119) penetrating through the mounting seat, a bottom sliding block (1110) sleeved on the bottom screw rod (119) and a bottom screw rod motor (110) driving the bottom screw rod (119) to rotate, wherein a fixing seat (112) for mounting a horizontal supporting rod (111) is arranged on the bottom sliding block (1110), and the end part of the horizontal supporting rod (111) extending out of the mounting seat is fixedly connected with a clamping plate (118);

the mounting seat comprises a bottom horizontal plate (113) arranged on the bottom of the test frame body (1), a first supporting plate (114) arranged at one end of the bottom horizontal plate (113) and a second supporting plate (115) arranged on the bottom horizontal plate (113), the other end of the bottom horizontal plate (113) is provided with a motor base (116) for installing a bottom screw motor (110), an output shaft of the bottom screw motor (110) is connected with a coupling (117), the coupling (117) is in transmission connection with the end part of the bottom screw rod (119) passing through the second supporting plate (115), two bottom guide rods (1111) are arranged between the first support plate (114) and the second support plate (115), the two bottom guide rods (1111) are symmetrically arranged around the bottom screw rod (119), the bottom guide rod (1111) penetrates through the bottom sliding block (1110), and the horizontal support rod (111) penetrates through the first support plate (114).

4. A motorcycle foot pedal and rider handrail test stand according to claim 1, wherein: the first steering handle clamping mechanism (2) and the second steering handle clamping mechanism (3) are identical in structure, and the first steering handle clamping mechanism (2) and the second steering handle clamping mechanism (3) respectively comprise a handle clamping sliding mechanism (23) installed on the side wall of the test frame body (1), a steering handle hydraulic rod (21) installed on the handle clamping sliding mechanism (23) and a clamping arm (22) installed on the telescopic end of the steering handle hydraulic rod (21);

the structure of the first tailstock clamping piece (4) is the same as that of the second tailstock clamping piece (8), the first tailstock clamping piece (4) and the second tailstock clamping piece (8) comprise a tailstock clamping and sliding mechanism (43) arranged on the side wall of the test frame body (1) and tailstock hydraulic rods (42) installed on the tailstock clamping and sliding mechanism (43), and the two tailstock hydraulic rods (42) are connected with the U-shaped clamping and fixing piece (41).

5. A motorcycle foot pedal and rider handrail test stand according to claim 4, wherein: the handle clamping sliding mechanism (23), the tailstock clamping sliding mechanism (43), the first top sliding mechanism (101) and the second top sliding mechanism (102) are identical in structure, the handle clamping sliding mechanism (23), the tailstock clamping sliding mechanism (43), the first top sliding mechanism (101) and the second top sliding mechanism (102) respectively comprise a first sliding piece (236) and a second sliding piece (237) which are symmetrically arranged on a test frame body (1), a sliding screw rod (233) arranged between the first sliding piece (236) and the second sliding piece (237), a sliding motor (230) arranged at one end of the first sliding piece (236) and one end of the second sliding piece (237) and in transmission connection with the sliding screw rod (233), and a sliding base (239) arranged on the sliding screw rod (233), and an ear plate (238) is arranged on the sliding base (233), the ear plate (238) is provided with a connecting ear seat (2310);

the structure of the first sliding piece (236) is the same as that of the second sliding piece (237), the first sliding piece (236) and the second sliding piece (237) respectively comprise a sliding rail body, a U-shaped sliding groove (261) arranged in the sliding rail body, a lower arc-shaped protrusion (262) arranged at the bottom of the U-shaped sliding groove (261) and an upper arc-shaped protrusion (264) arranged at the top of the U-shaped sliding groove (261), wheel shafts (265) are symmetrically arranged on two sides of the sliding base (239), a positioning wheel (263) is sleeved at the end of each wheel shaft (265), the outer side face of each positioning wheel (263) is matched with the lower arc-shaped protrusion (262) and the upper arc-shaped protrusion (264), and the positioning wheel (263) can slide along the lower arc-shaped protrusion (262) and the upper arc-shaped protrusion (264).

6. A motorcycle foot pedal and rider handrail test stand according to claim 1, wherein: the U-shaped clamping fixture (41) comprises a first L-shaped piece, a second L-shaped piece and a locking bolt (413) connecting the first L-shaped piece and the second L-shaped piece, the first L-shaped piece comprises a first horizontal connecting part (411) and a first vertical part (412), the joint of the first horizontal connecting part (411) and the first vertical part (412) is arranged in a round-chamfered way, the second L-shaped piece comprises a second horizontal connecting part (415) and a second vertical part (416), the joint of the first horizontal connecting part (411) and the first vertical part (412) and the joint of the second horizontal connecting part (415) and the second vertical part (416) are provided with connecting lugs (414), the two connecting lugs (414) are respectively connected with the first tailstock clamping piece (4) and the second tailstock clamping piece (8), the first horizontal connecting portion (411) and the second horizontal connecting portion (415) are provided with a plurality of fixing holes for installing locking bolts (413).

7. A motorcycle foot pedal and rider handrail test stand according to claim 1, wherein: the steel wire rope pulling part comprises a sliding top seat (103), a hydraulic motor (105) arranged on the sliding top seat (103), a rotating shaft (107) connected with the hydraulic motor (105) and a steel wire windlass (108) arranged on the rotating shaft (107), a steel wire rope (1010) is wound on the steel wire windlass (108), a hanging ring (1011) is arranged at the extending end of the steel wire rope (1010), a pulling hanger is arranged on the hoisting ring, the pulling hanger comprises an upper lifting hook (1012), a tension sensor (1013) arranged at the bottom of the upper lifting hook (1012) and a suspension clasp (1014) arranged at the bottom of the tension sensor (1013), the suspension clasp (1014) comprises a bottom plate, two triangular plates symmetrically arranged on the bottom plate and connecting rods arranged at the tops of the two triangular plates, the connecting rod is provided with a connecting screw rod (1015) connected with the tension sensor (1013);

the structure of the first pressure applying mechanism (6) is the same as that of the second pressure applying mechanism (7), the first pressure applying mechanism (6) and the second pressure applying mechanism (7) comprise a bottom slide rail mechanism arranged in the bottom of the test frame body (1), a manipulator base (71) arranged on the bottom slide rail mechanism, a manipulator (72) arranged on the manipulator base (71), a pedal hydraulic rod (73) arranged on the manipulator (72) and a pressure head (75) arranged at the bottom of the pedal hydraulic rod (73), and a pressure sensor (74) is arranged between the bottom of the pedal hydraulic rod (73) and the pressure head (75).

8. A motorcycle foot pedal and rider handrail test stand according to claim 1, wherein: the hydraulic module comprises a hydraulic oil tank (132), a hydraulic pump (131) and a filter (133), wherein the hydraulic pump (131) and the filter (133) are sequentially connected with the hydraulic oil tank (132), the output end of the filter (133) is connected with an A port of a manual valve (134), a P port of the manual valve (134) is connected with a plurality of clamping hydraulic oil paths which are connected in parallel, a T port of the manual valve (134) is provided with a tension applying hydraulic oil path and a pressure applying hydraulic oil path, and the hydraulic pump (131) is provided with a first leakage valve (130);

the clamping hydraulic oil paths have the same structure, each clamping hydraulic oil path comprises a branch oil pipe connected with a P port of a manual valve (134), a one-way valve (135) and a clamping electromagnetic valve (136) which are arranged on the branch oil pipe, and a second drain valve (137) is arranged at the inlet of the one-way valve (135);

the clamping electromagnetic valves (136) are respectively connected with a steering handle hydraulic rod (21) in the first steering handle clamping mechanism (2) and the second steering handle clamping mechanism (3), a tailstock hydraulic rod (42) in the first tailstock clamping piece (4) and a tailstock hydraulic rod (42) in the second tailstock clamping piece (8);

the tension applying hydraulic oil circuit comprises a tension applying electromagnetic valve (139) and a third drain valve (1310) which are connected with a T port of the manual valve (134), and the tension applying electromagnetic valve (139) is connected with a hydraulic motor (105) in the steel wire rope pulling part;

the pressure application hydraulic oil circuit comprises a pressure application electromagnetic valve (1315) and a fourth drain valve (1313), wherein the pressure application electromagnetic valve (1315) is connected with a T port of the manual valve (134), and the pressure application electromagnetic valve (1315) is connected with a pedal hydraulic rod (73) in the pressure application mechanism;

the first drain valve (130), the second drain valve (137), the third drain valve (1310) and the fourth drain valve (1313) are all communicated with the hydraulic oil tank (132).

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