JPS5856973A - Superconfidence spot turning device in traveling equipment provided with stepless transmission - Google Patents

Abstract

PURPOSE:To aim at securing the safety of superconfidence spot turning in such a way as enlarging the radius of gyration with more throttling action in proportion to the increase of speed, by coupling a variable throttle valve of a torque variable clutch to a side clutch, while connecting a throttle governing member of the throttle valve to a gearshift lever. CONSTITUTION:When a side clutch lever is pulled for turning, a support plate 35 pushes a spool 37 of a variable throttle valve 36 inward whereby the transmission torque of a torque variable clutch 18 goes up, stopping a reversing clutch 22a making normal rotation with a brake applied sofar and thus becoming confidence spot turning but, after this period of time, it slowly starts in reverse rotation, turning to superconfidence spot turning. However, since a cam 44 rotates as interlocked with a stepless gearshift lever 55, if this lever 55 is located at the highest speed position D, the cam 44 takes the most erected attitude so that the spool 37 is permitted of shift along only a slight disface; inasmuch as the transmission torque comes little, a machine body turns with a large radius of gyration and therefore superconfidence spot turning is attainable at the lowest speed position E of the lever 55.

Description

[Detailed Description of the Invention] The conventional traveling device equipped with a super-center turning device was configured to operate smoothly regardless of the traveling speed.
When driving in a erratic manner, the vehicle may make a sharp turn, which is extremely dangerous and rare.

1- The aircraft's running speed is low, so it is possible to make a sharp turn, but as the running speed increases, the turning radius gradually becomes larger, so that it is possible to control the aircraft while also controlling the equipment. Is it a mission to prevent the song from breaking? A reverse rotation transmission system leading to the idle clutch is equipped with a torque clutch, and the hydraulic cylinder that operates the idle clutch is connected to the slow excitation of the idle clutch. By linking the FC crest limiting member attached to the μchoga josho and the rapid speed lever of the continuously variable transmission device for the traveling device, the flow of the river-father chosho is limited to a joist thickness that increases the traveling speed. This is what 4 # has accomplished.

To explain the example of the power transmission shown in the drawings below, in Fig. 1, it is the driven pulley of the automatic stepless speed control and is labeled as manual power @ 3 of the mission 2, and the gear 4 of the input @ 3 is the intermediate gear. 5.6 to drive the gear 8 of the father stray shaft 7, and the aJ' moving gear 9 of the father speed shaft 7 is connected to the back gear 11 of the ml 10, the gear 13 of the clutch 1111I112, and the gear 11tll of the gear 14. 2- The gear 14 is engaged with the gear 16 of the gear 12, and is press-fitted from the oil port 17 into the clutch gear 16 provided at one end of the clutch shaft 12. A variable torque clutch 18 operated by hydraulic oil is installed.

Reference numeral 19 rotatably supports a center gear 20 that meshes with the gear 15a of the clutch shaft 12, and side clutch gears 21, 21 that engage and disengage on both sides thereof, and has a reverse clutch 22a at one end and a reverse clutch 22 at the other end. Tute gear 22b fI
: A fixed steering shaft, and the above-mentioned reverse clutch gear 2z
b meshes with one gear 24 of the intermediate mza, and the other gear 25 meshes with the clutch gear 16 to constitute a reverse transmission system of the side two-leg gear 21.

In addition, the Saidra 2. The Y-te gears 21, 21 mesh with axle gears 27, 27 of a pair of left and right axles 26, 26. Note that 6d is a brake.

4213, 28, 28 are a pair of left and right shafts for operating the shifters of the side clutch gears 21, 21, and shift arms 29, 29 projecting from the bosses of these shafts 28, 28 are A side clutch lever (or Betaruno ao) installed on the operating lever.

30 with operating wires 31, 31, and the boss e
c Fatherly installed f'C return return arm 3232 vertically swings i
'' The upper end of the actuator 34, which is attached by a pin to the holding arm 33, faces onto the receiving plate j5.

36 is e=f, which connects the tip of the spool 37 to the above-mentioned workpiece 41134 via a vibrator 38 and an adjustment nut 39.
The lower end of the rod 40, whose upper part 4 is fixed to the spool A7, is slidably supported by a receiver 41 attached to the Of-variable valve 36, and is biased upward by a spring 42Vc.

Also, the curvature limiting member, which is pivotally supported by the pin 4.3 at the lower part of the @6J0J' transformation valve 36, is at one end, and as it reaches the other end, the distance from the pivot point gradually increases. It consists of a fan-shaped cam 44 with an arm 45 attached to its boss.
049 is the drive pulley of the continuously variable transmission which is connected to the thorn speed lever 55 of the continuously variable transmission via the rod 46 etc. and is driven by the driven pulley 1 (bell) 48i valve. 4-, the l1t150 is expanded by 1 mm along with the working machine pulley 54 by the cap 51 driven by the μ-engine shown in FIG. The fc is inserted into the control circuit of the concealment valve 53 that operates the hydraulic cylinder 52.
The two switches St and 82 are mounted on the stepless thorn-through lever 55 shown in FIGS. 6 and 7.

And, the control unit 1 cam plate 57, which is pivoted on the rotary surface of the shaft 56 of the front lever 55, is '! The arm 58 shown in Figure 9 is connected to the boss part of the movable pulley 49 of the body 49, and the dark part of the shell is pivoted around the gamma pressure cylinder 52. 4M is attached to the rod 60 at the other end of the width excitation arm 59, and when the -S stage companion gear is set to 16-speed gear and is in neutral, as shown in Fig. 9(a).
As shown by VC, the switch St is in the notch 57a of the control cam 57 and is turned off, and the switch S2 rides on the circumferential surface of the control cam 57 and is turned OFF.

To increase the traveling speed in this state, move the gear shift lever 55 forward (left 1141) as shown by the chain line in Figure 7.
1), the switch S will open as shown in Figure 9(b).
l rides on the control cam 57 and turns ON, so the electromagnetic f
53 is excited and moves to the left side, and the hydraulic cylinder 52 pushes out the movable pulley 49 to increase the speed.

At this time, as the rotary boob lj-49a moves, the swing arm 59 pulls down the arm 58 and moves the control cam 57 to the seventh position.
Rotate counterclockwise in the figure to -foot position titvc
When the stopped switch 81 enters the notch 57a, it is turned off.
PK becomes electromagnetic square 5j, and it becomes a complaint.

Also, when the gear shift lever 55 is turned backward to decelerate,
The switches S1 and 82 are both removed from the control cam 57 as shown in FIG. 9(C), and the switch S1 is turned off.

S2 is turned ON, energizing Nrenoid B, and the town is excited! J-49a and m1J (Incorporated) cam 57 moves in the opposite direction to when speeding up, and the switch is moved to the retracted position.

As shown in FIG. 2, the shift lever 55, which is the shift lever 55, tilts laterally at the low speed position as shown in FIG. stand up like that.

Then, in order to turn the aircraft, press one side clutch lever.
When 30 is pulled, the operation wire 31 on the 7th side pulls the shift arm 29 to separate it from the one side clutch gear 21t and the center gear 2o, and the reverse rotation 2nd gear 2L on that side is pulled.
It meshes with l.

At this time, the fibrillation arm 32, which is used for medical purposes as well as the boss of the shift arm 29, rotates together with @28, but the tip of the arm 32 is designed so that it comes into contact with the receiving plate 35 when the side clutch gear 21 enters the reverse clutch 22a. Since the side clutch lever 30 is further pulled, the receiving plate A5 is activated 41.
The variable throttle valve A6 nozzle 37 is pushed in through the 11I34 metal, and the transmission torque of the variable torque clutch 18 due to the suppression of the hydraulic cylinder 61 gradually increases from <AA, as shown in FIG. 11, and when the transmission torque reaches point B. The reverse clutch 22a, which had a positive value while the brake was applied, stopped and turned into a 1g ground rotation. When it passes, it slowly rotates in the opposite direction, and when it reaches the 0 point, it rotates in the opposite direction at a predetermined speed, resulting in a super pivot turn.

7- However, since the collapsed cam 44 is rotating in conjunction with the continuously variable speed lever 55, the continuously variable speed lever 55 is
When it is in the flattened position i]1D, the collapsed cam 44 becomes the most erect ring part, so only the movement of the spool 3T is allowed, and the transmitted torque of the torque 9, the tension 2, and the shaft 18 becomes small. The aircraft turns with a large radius, and at the lowest speed position E of the continuously variable transmission lever 55, the collapsible cam 44 falls sideways and does not restrict the movement of the spool 37, so it is possible to perform a super solid turn. .

Further, although the tilting amount t of the side puller 30 is limited by the tilting device of the fan-shaped cam 44, that is, the position of the speed change lever 55, the rotation pipe 38 provides a certain degree of anti-buffering.

As mentioned above, the reverse rotation transmission system leading to the mission engine 1 side clutch is equipped with a 5f variable torque clutch, and the variable throttle valve of the hydraulic cylinder that operates the variable torque clutch is interlocked and connected to the side clutch. The limit member attached to the Kicho quality soft valve and the 8-shift lever and t slow movement of the continuously variable transmission for the traveling gear)! ! As a result, the control of the variable throttle valve was configured to greatly limit the faster the running speed became faster, so although the vehicle was able to make super stable turns at low speeds, it was forced to speed up due to the continuously variable transmission. As the Marutake speed increases to the Sardine speed, the loss of the Machi-keshibori masu is sequentially limited by the restriction member, and the transmission torque of the variable torque clutch becomes smaller.
The higher the speed of the aircraft, the larger the diameter of its stroke, which allows for safe operation and prevents the transmission from being damaged by sudden large loads.

[Brief explanation of the drawing]

The drawings show the first Mei Ichifuodori Vu, and Figure 1 is a developed cross-sectional view of Missi-me. Figure 2 is a front view of the same as above, Figure 3 is a partially cutaway side view of the same as above, Figure 4 is a sectional view of the continuously variable transmission, and Figure 5 is a diagram of the switching valve of the hydraulic cylinder that operates the travel transmission. Circuit diagram, Fig. 6 is an i-side view of the operating device of the continuously variable transmission, Fig. 7 is a top view of the same as above, Fig. 8 is a control circuit diagram of the switching valve, Fig. 9 (a), (b) , (C
) is a perspective view of the switching valve's 9-ite part, Figure 10 is a hydraulic circuit diagram of the beam changer,
Figure 11 is a torque diagram. 18...ijT transformation box 21...side clutch gear 29...shift arm 3o
...Side clutch lever-34...Made 11h axis
36...Variable throttle valve 44...Collapsed cam 52.61...Hydraulic cylinder 55...Shift lever 10- Figure 4 54 Property 49L 4ヲ5/1, f2〃.../■ f , f I! 5p H Evening map □

Claims (1)

[Claims] A reverse rotation transmission system connected to the side clutch of the transmission is equipped with a torque lJJ' Shun clutch, and the Machishun throttle valve of the hydraulic cylinder that operates the Dorklo fK clutch is connected to the side clutch, and the mouth j'' is changed. A VC structure was constructed in which the curvature limiting member attached to the box was linked with the gear shift lever of the continuously variable transmission for the traveling gear, so that the curvature of the variable throttle valve became thicker (m1lPJi) to increase the traveling speed. A super 1g ground turning device in a traveling device equipped with a continuously variable transmission.