JPS5913862B2 - pine surge device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a bed-type pine surgery device that performs so-called rolling pine surgery, in which both sides of the spine are brought into contact with the ring by moving the ring, and performs so-called rolling pine surgery. However, after use, the wheel body is automatically stored at the end of the moving direction with the changeover switch set to a low position, improving safety by preventing the body from hitting the wheel body even if a person suddenly sits down. They have a pine surge device to offer.

The present invention will be described in detail below based on illustrated embodiments.

Fig. 1 shows the external appearance of one embodiment, and Fig. 2 shows the state of use. A frame 43 and a cover sheet 6 are arranged on the upper surface, and as shown in FIG.
The upper part is a cushion part 42
The pair of legs 41 are bolted together, and the cover sheet 6 and side frame 43 are attached.

Each frame 4 has rails 7.degree. 7 fixed to each other with openings facing each other, and a hook protrusion 46 is provided on the upper surface of the rail 7.

On the other hand, a core frame 47 is attached to both ends of the cover sheet 6 made of cloth, and a core frame 47 is attached to both sides, and a hook hole 48 is attached.
The cover sheet 6 is installed by passing the core frame 47 at both ends into the horizontal bar 44 provided with the slit 49.
Then, the hooking protrusions 46 of the rail 7 are passed through the hooking holes 48, and the core frames 47 on both sides are engaged with the hooking protrusions 46.

The side frame 43 is made by covering the outer surface of a core material 50 with foamed urethane resin 51 and cloth 52, and is fixed to the frame 4 with screws.

On a pair of rails 7.7 to which racks 8 are fixed in the longitudinal direction, a mechanism section including wheels 2, 2 for performing pine surge is installed.

This mechanism unit has a motor M and is self-propelled along a rail 7, and has a motor block 9 at one end of the main shaft 1 on which the wheels 2, 2 are attached at the center, and a gear box 10 at the other end. It is arranged and configured.

Cylindrical bodies 16 and 16 are freely rotatably attached to both ends of the main shaft 1, and guide rollers 17 attached to each of the cylindrical bodies 16 run within the rails 7.

Further, as shown in FIGS. 6 and 7, the gear box 10 and the motor block 9 are equipped with guide rollers 1T that run within the rail 7 via a shaft 53, and these four guide rollers 17 control the mechanism. It is constructed between the rails 7 and 7.

As shown in FIG. 5, the main shaft 1 is hollow and has a drive shaft 3 mounted therein, and the above-mentioned cylindrical body 16 is fixed to both ends of the drive shaft 3.

Each cylindrical body 16I forms a pinion 15 that meshes with a rack 8 attached to the rail 7, so that when the drive shaft 3 is rotationally driven, the mechanism portion runs along the rail 7.

The motor M in the motor block 9, which can freely rotate forward and backward, is connected to the main shaft 1 and the drive shaft 3 by a gear group and a planetary part in a gear box 10.

A pair of worm shafts 11 arranged in the gearbox 10,
Among the worm shafts 13, one worm shaft 11 meshes with a worm wheel 12 fixed to one cylindrical body 16, and the other worm shaft 13 meshes with a worm wheel 14 fixed to a shaft 18, as shown in FIG. Fit.

An elliptical gear 19 is also fixed to the shaft 18, and this elliptical gear 19 meshes with an elliptical gear 20 fixed to the main shaft 1.

These worm shafts 11 and 13 are connected via a planetary part.

In the embodiment shown in FIG. 6, this planetary part is constituted by a ball bearing; the sun gear is an inner race 25, the planet gear is a ball 26, the internal gear is an outer race 21, and the planet carrier is a retainer 28. form and attach the inner race 25 to the worm shaft 1.
It is fixed to the outer periphery of a collar 29 which is freely rotatably attached to the collar 1.

This collar 29 is provided with a pulley 30 connected to the output shaft of the motor M by a belt 31.

The worm shaft 11 is connected to the planetary part by connecting the retainer 28 that restricts the movement of the balls 26 to the worm shaft 11, and the worm shaft 13 is connected to the worm shaft 13 by a pulley 34 fixed to the worm shaft 13 and a belt 33. This is done by fixing the pulley 32 connected to the outer race 27.

Now, even if braking is applied to the worm shaft 11, if the collar 29 and the inner race 25 are rotated by the motor M, the ball 26 will be prevented from revolution by the retainer 28 fixed to the worm shaft 11 and will rotate on the spot. Do the following.

This rotation is transmitted to the outer race 27 and passes through the outer race 27, pulley 32, belt 33, and pulley 34 to the worm shaft 1.
Rotate 3.

On the other hand, with the worm shaft 13 being braked, the inner race 2
5, the outer race 2 is inserted through the belt 33.
Since the ball 1 is locked, the ball 26 rotates and revolves, and rotates the worm shaft 11 via the retainer 28.

Of course, as shown in FIGS. 13 and 14, the planetary parts include a sun gear 25a1, a planetary gear 26a1, an internal gear 27a
Although a general planetary gear mechanism including a planet carrier 28a and a planetary carrier 28a may be used, the use of a bearing is superior in that it is quieter, has a simpler structure, and can be made at a lower cost.

However, when using bearings, power transmission is limited to the inner race 25.
Since friction is conducted between the ball 26 and the ball 26, and between the ball 26 and the outer race 27, it is necessary to apply a preload between them.

Normally, this is done by press-fitting the shaft into the inner race 25 and the outer race 27 into the housing, but since this is difficult to control the dimensions, in this embodiment, the outer race 27 is pressed into the housing. The fixed pulley 32 is biased in the thrust direction by a coiled preload spring 35, thereby applying a thrust preload force between the inner race 25 and the outer race 27.

Therefore, a predetermined preload can be easily applied by adjusting the spring force of the preload spring 35 without requiring high dimensional accuracy or press-fitting accuracy of the inner race 25 or outer race 27.

In addition, in the figure, 36 is a spring bearing, and 37 is a bearing for the spring bearing.

Instead of both, a thrust bearing 38 may be used to apply the spring pressure of the preload spring 35 to the inner race 25 via the thrust bearing 38, as shown in FIGS. 11 and 12.

Of course, other types of bearings may be used.

Furthermore, the bearing used as the planetary part does not have to be the deep groove ball bearing mentioned in the embodiment, but may be a tapered roller bearing using tapered rollers 26b as shown in FIG. 12, or an angular bearing.
A similar configuration can be made using a type ball bearing.

In particular, tapered roller bearings have the advantage of achieving a wedge effect and requiring less preload force.

Note that FIGS. 11 and 12 are examples of planetary mechanisms using bearings, and the input and output do not correspond to the power transmission mechanism in the pine surge device of this embodiment.

If the worm shaft 11 is braked as described above, the worm shaft 1
3, and if the worm shaft 13 is braked, the worm shaft 1
This braking is performed by a brake device provided at one end of each worm shaft 11, 13.

Each brake device has a solenoid SL as shown in Figure 10.
1. It is formed of SL2, and includes a yoke 54 attached to the gearbox 10, a core 55 that is integrated with the yoke 54 and faces the end surface of the worm shaft 11.13, an excitation coil 56, and the yoke 54 and the core 55. and a spring 57 that biases the worm shaft 11, 13 in the axial direction.
The core 55 is attached to a movable block 58 fixed to one end of 113.
The core 55 and the yoke 54 are attracted and driven against the spring 57 so that they are in contact with each other.

If the worm shaft 1113 is rotating, the rotation is stopped by the connection between the core 55 and the movable block 58.

As is clear from FIG. 5, the wheel body 2 attached to the main shaft 1 includes an eccentric shaft portion 21 fixed to the main shaft 1, and an eccentric shaft portion 2.
1, and an outer ring 22 freely rotatable around the outer periphery of the shaft 1, and a steel ball 24 and a retainer 23 are arranged between the outer ring 22 and the eccentric shaft portion 21.

The pair of wheels 2, 2 attached to the main shaft 1 at a predetermined interval rotate together with the main shaft 1 in a plane perpendicular to the axial direction of the main shaft 1, and both wheels 22 rotate in the same direction. Therefore, as the main shaft 1 rotates, the amount of protrusion of the wheel body 2 toward the cover sheet 6 changes.

The state changes from a state where the minimum protrusion amount is set lower than the side roller 5 as shown by the broken line in FIG. 5 to a state where the maximum protrusion amount is set higher than the side roller 5 as shown by the imaginary line in the same figure. .

7. A permanent magnet 40 is attached to the side surface of the eccentric shaft portion 21 of the wheel body 2 on the gearbox 10 side.
A pair of reed switches LS1. This is to make LS2 sensitive.

Here, one reed switch LS1 is sensitive to the permanent magnet 40 when the amount of protrusion of the wheel body 2 toward the cover sheet 6 side is small, and the other reed switch LS2 (not shown in FIG. 5) is connected to the wheel body 2. It is designed to respond when the amount of protrusion toward the cover sheet 6 side is large.

Additionally, a limit switch MS is attached to the gearbox 10.

This consists of two normally closed contacts S1. S2, and when the actuator 39 is tilted to one side, one normally closed contact S1
is opened, and when the other normally closed contact S2 is pushed down to the other side, the other normally closed contact S2 is opened. When the mechanism section travels along the rail 7, when the mechanism section reaches the end of the rail 7, the actuator 39 It is designed to be driven by protrusions (not shown) attached to both ends.

Side rollers 5 are provided on the upper surface of the gear box 10 and the upper surface of the motor block 9 by shafts 59 disposed parallel to the main shaft 1, respectively.

These side rollers 5, which are freely rotatable, have a total of 4 rollers, two on the motor block 9 and two on the gear box 10.
These are located on both sides of the pair of wheels 2.degree. 2, and are arranged at a slightly higher height than the wheels 2 when the amount of protrusion toward the cover sheet 6 is small.

To perform pine surgery using the pine surgery device configured as described above, as shown in FIG. 2, the upper body is laid down on the cover sheet 6, and the head and buttocks are placed on the cushion portions 42 and 42 at both ends.

If only the drive shaft 3 is rotated without rotating the main shaft 1, the mechanical part runs along the frame 4 and the rail 7 below the cover sheet 6 due to the engagement between the pinions 15 at both ends of the drive shaft 3 and the rack 8. do.

At this time, the outer ring 22 of the ring body 2 presses both sides of the spine along the spine via the cover sheet 6 while rotating freely, and a rolling pine surge is performed.

If only the main shaft 1 is rotated without rotating the drive shaft 3, the wheel body 2 rotates at a fixed location.

Since the wheel body 2 is eccentric with respect to the main shaft 1, the amount of protrusion toward the cover sheet 6 changes as it rotates.

That is, the states shown in FIGS. 8 and 9 occur alternately.

Therefore, acupressure action can be obtained using the wheel body 2.

Further, as is clear from FIGS. 8 and 9, even during the above-described rolling pine surge, if the rotational position of the wheel body 2 changes, the pressing force applied to the back by the wheel body 2 changes, so the strength can be adjusted.

Here, the side rollers 5 are used to adjust the strength and to make the acupressure treatment more effective.As shown in FIG. 8, when the amount of protrusion of the wheel body 2 is large, the side rollers My body floats away from Roller 5,
When the amount of protrusion of the wheel body 2 is small, the side rollers 5 come into contact with the body as shown in FIG.

Since this side roller 5 moves together with the wheel body 2, when performing rolling pine surge, the wheel body 2
In addition, by moving the side rollers 5 in contact with the body, a wider range of areas can be treated, and the treatment can be performed with a soft feel.

Moreover, since the amount of protrusion of the wheel body 2 is set at a lower position than that of the side rollers 5, the wheel body 2 and the side rollers 5 hit along the curved shape of the body, making it easier for elderly people with fragile spines. 1. Also, when performing shiatsu pine surgery, if you use only the ring 2, your body will always be supported by the two rings 2, 2, so your body will always be in a state of tension. However, when the amount of protrusion of the ring body 2 becomes small, the body is also supported by the side rollers 5, so as long as the body is supported by the side rollers 5, the tension is relieved.

In other words, a state of tension and a state of relaxed tension are repeated, resulting in more effective treatment.

As is clear from the above explanation, this pine surge device is
By switching the power transmission of the motor M between the main shaft 1 and the drive shaft 3, rolling pine surgery to stretch the back and acupressure pine surgery at a fixed position are performed.

Therefore, a clutch is required for switching, but as mentioned above, this embodiment uses a planetary mechanism and an electromagnetic brake device that applies braking to each of the two outputs that can be taken out from this planetary mechanism. Solenoid SL1. SL2 constitutes a clutch.

By the way, when switching and extracting two outputs from a single power source via a clutch, when switching from one output to the other output, this will occur unless braking is applied from the load side to the previously connected output. Problems occur with pine surge equipment.

In other words, when performing a rolling pine surge, unless braking is applied to the main shaft 1, the strength cannot be adjusted using the eccentricity of the wheel 2, and when switching from rolling pine surge to acupressure pine surge, the rotation of the drive shaft must be applied. The wheel body 2 cannot be stopped at the desired position unless the brake is applied to stop the wheel body 2.

In addition, with a normal clutch, there is a moment when the clutch separates from the power during switching, and at this moment the operation tends to become unstable due to force from the load side.

On the other hand, in the clutch using the planetary mechanism and electromagnetic brake shown in this embodiment, switching is done by applying braking to the previously connected output to connect the other output to power, so it is essentially The moving parts are a pair of solenoids SL1, which are electromagnetic brakes. It is only SL2, and does not require the operation of connecting or disengaging the clutch.It has a simple structure, and there is no mechanically disconnected part in the planetary mechanism that acts as a clutch when switching the connected output. The operation is stable even if force is applied from the load side during switching.

The operation of the pine surge has been described structurally above, and the operation will be explained in more detail below based on the circuit diagram.

FIG. 15a shows a schematic circuit configuration, and this figure shows the operating section, in which the main switch SW1 fixed to the side frame 43 is shown.
and three operation switches SW2. SW3. SW4
The motor M and the electromagnetic brake solenoid SL1. SL2 is controlled.

The main switch SW1 turns on and off the commercial power source E.

Switch SW2. SW3 is both a 3-position switching type, and switch SW4 is a 2-position switching type, so that they can be switched independently.As shown in the figure, the middle point of switch SW2 is "off", and one side is "off". The switch SW3 has one end set to "Shiatsu", the middle point set to "1 Weak", and the other end set to "Strong", and the switch SW4 sets one end to [- "Operation" and the other end "
"storage".

Here, "operation" is to enable the operation of switch SW2 and switch SW3 to be selected arbitrarily, and "storage" is to make the wheel body 2 protrude by a little less than 1" and move the mechanism part to a certain position. This is for stopping at the end of the direction.

Furthermore, "shiatsu" causes acupressure pine surge, and "weak" and "strong" cause rolling pine surge.

Then, switch SW4 is in "operation" and switch SW3
If the switch SW2 is set to ``1 Shiatsu'' and switch SW2 is set to ``Off'', the shiatsu will be applied, and if it is set to ``Up'' or ``Down'', the mechanical part will move to change the shiatsu position without applying shiatsu. do.

In addition, "going up" means that the mechanism moves toward the head.
"Down" indicates moving toward the waist.

Then, switch SW4 is in "operation" and switch SW3
If the switch SW2 is "1 OFF" when is "weak" to "strong", a rolling pine surge is performed and the mechanism section is automatically reversed at the end of the rail 7.

Furthermore, when switch SW4 is set to "operate" and switch SW2 is set to "up" or "down", the rolling pine surge is performed only in one direction determined by "up" to "down", and the end of rail 7 Stop at .

Further, when the switch SW4 is set to "storage", the mechanical section moves in the "up" direction with "weak" rolling, and the operation of the motor M stops at the upper end.

As is clear from the explanation so far, the switch SW3 is used to select between acupressure and rolling pine surge, and the switch SW2 moves the wheel 2 to a predetermined position during acupressure, and during rolling pine surge functions as a selection switch for automatic reversal or manual reversal, and switch SW4 also functions as a selection switch for automatic or manual reversal.
"operation", switch SW2 and switch SW
It is set to a state that enables the operation selection of 3, and is set to "storage".
By doing so, the amount of protrusion of the wheel body 2 is made "weak" and the mechanism is stopped at the upper end of its movement.

FIG. 16 shows an example of a specific circuit, in which the motor M is connected to a pair of switching elements T1. The clockwise or counterclockwise rotation is performed by conduction of either T2.

And both switching elements T1. T2 is a pair of relays R
y1. When the contact r Yx+ ry2 of Ry2 is turned on, it becomes conductive.

These relays Ry1. Ry2 and a pair of solenoids SL1, which are electromagnetic brakes. SL2 is controlled by transistors Ql, C2-C3 and C4, respectively, and each transistor Q1-Q4 is operated by the output of the logic circuit section.

First, when the switch SW4 is set to the "operating" state, that is, the contact is turned on, the output (terminal 6) of the timer element TIC goes low.
level, the transistor Q5 is turned off and the transistor Q6 is turned on, so that the contact ry3 of the relay Ry3 is turned on, and the setting can be made so that the logic circuit can be controlled by the switches SW2 and SW3.

Here, the timer element TIC is composed of a capacitor C2 and a resistor R2.
The charging/discharging is counted by the time constant of the capacitor C2 and the resistor R2.When the count reaches a certain number, the output (terminal 6) changes from L level to H level. It is.

Furthermore, when the switch SW4 is now in the "operating" state, the switch SW2 is in the off position, the switch SW3 is in the shiatsu position, and the mechanism is not located at the end of the rail 7, that is, the limit switch MS's seat close contact S1. When both S2 are in the on state, the inverter ■
1. ■2 Flip-flop F made up of a pair of NOR gates NR1 and NR2 and OR gates O1 and 02
The Ryojin Riki are both at L level, and the Ryokawa Riki are at H level and L.
It's on the level.

This Ryokawa force and the output of the switch SW3 are inputted to the AND gates A2 and A3 via the AND gate A1, the NOR gate NR3, the inverter 3, and the OR gate 03.

At this time, both inputs of AND gate A2 are at H level, turning on transistor Q1 and rotating motor M clockwise via relay Ry1 and switching element T1.

Also, H output of NOR gate NR4, NAND gate ND3
The L output of Ant Gate A4 is OR gate 0.
4 outputs an L level output, inverter 5 outputs an H level output, and when the transistor Q is turned on, the solenoid S is turned on.
L, is excited.

This solenoid SL1 operates as an electromagnetic brake for the worm shaft 11, and for this purpose, the output of the motor M rotates the main shaft 1 through the planetary mechanism and the worm shaft 13.

Therefore, the wheel body 2 rotates in a fixed position and performs acupressure operation.

Due to the presence of inverter 5, transistor q does not turn on when transistor Q3 is on.

This acupressure operation is performed when the mechanism is located at the end of the rail 7 and the normally closed contact S1. Even if either S2 is open, the output of flip-flop F does not change, or even if the output of flip-flop F changes, the outputs of ant gate A1 and OR gate 03 do not change, so exactly the same operation is performed.

When this switch SW3 is in the "Shiatsu" position, set the switch SW2 to "Up".

For example, the H level output of AND gate A2 and the L level output of AND gate A3 do not change, and the motor M continues to rotate clockwise, but the output of OR gate 04 changes due to NAND gates t-ND1 and ND3, and AND gate 1-A4. C1R
It becomes H level with a time constant of 1, transistor q is turned off by inverter
4 turns on, solenoid SL1 returns, solenoid SL
2 is excited and braking is applied to the worm shaft 13.

Therefore, the clockwise rotation output of the motor M is transmitted to the drive shaft 3 through the worm shaft 11, and the mechanism moves toward the shoulder due to the engagement between the pinion 15 and the rack 8.

If the switch SW2 is turned off when the wheel body 2 has moved to the desired position, the rotation of the wheel body 2 will begin at that position and acupressure action will be performed.

When the switch SW2 is set to "1", the output of the gate A2 becomes L1 and the output of the gate A3 becomes H, the motor M starts to rotate counterclockwise by the transistor q1 relay R'/2 and the switching element T2, and the OR gate 04 When the output becomes H, solenoid SL2 turns on,
The left rotation output of the motor M is transmitted to the drive shaft 3 to move the mechanism toward the waist.

If switch SW2 is returned to "off", motor M will rotate clockwise.
Solenoid SL1 is energized and starts the acupressure operation again.

Rolling pine surge is performed by setting switch SW3 to "weak" or "strong" while keeping switch SW4 in "operation".

If switch SW2 is in the "off" position, automatic reversing operation can be obtained, but when switch SW3 is set to "weak" at the beginning of this operation, reed switch LS1 is also set to "strong". When reed switch LS2 is off, motor M starts rotating in either direction depending on the state of flip-flop F. Also, since both forces of OR gate 04 are at L level, solenoid SL1 is turned on by inverter ■. When excited, the main shaft 1 is connected to the motor M to rotate the wheel body 2.

The permanent magnet 4 attached to the wheel body 2 during this rotation at most one rotation.
0 turns on the reed switch L Sl * L S2, so one input of the OR gate 04 becomes H level, this output becomes H level, and solenoid SL2 is energized.

The rotation output of the motor M is switched to the drive shaft 3.

In this way, when the switch SW3 is set to "weak", the reed switch LS1 reduces the amount of protrusion of the wheel 2 and rolling pine surge is performed, and when the switch SW3 is set to "strong", the reed switch Rolling pine surge is performed in a state where the amount of protrusion of the body 2 is large.

When the motor M is rotating clockwise and the mechanical part is moving toward the shoulder, when this movement reaches the end of the rail 7, the normally closed contact S1 opens.

For this reason, the output of flip-flop F, whose output was HL until then, is inverted to LH, and the output of AND gate A2 becomes L1, and the output of AND gate A3 becomes H, and the motor M remains excited with solenoid SL2. rotates from right rotation to left rotation.

The mechanism automatically reverses itself and begins to move down towards the waist.

This movement closes the normally closed contact S1 and changes one input of the flip-flop F, but since it is a self-holding type, the output does not change.

When the normally closed contact S2 is opened, the motor M changes from left rotation to right rotation and performs rolling pine surge θ.

When switch SW3 is set to "weak" or "strong" (if switch SW2 is set to "up", motor M will rotate clockwise and solenoid SL2 will be energized to rotate the motor from the waist to the shoulder). Perform rolling pine surge.

If the upper limit is reached and the normally closed contact S is opened with the switch SW2 set to "ON", the same output of the flip-flop F becomes L1, and the output of the OR gate 03 becomes L, so both AND gate A2 and A3 outputs become L. As a result, the motor M stops and the output of the OR gate 04 also goes to L level, so that the solenoid SL2 turns off and the solenoid SL1 turns on at the same time.

Similarly, if set to "down", a rolling pine surge will be performed from the shoulders to the waist, and when the lower limit is reached, the motor M will stop, the solenoid SL2 will be turned off, and the solenoid SL1 will be turned on at the same time.

If the switch SW2 is set to the "off" position, automatic reversal is performed, and manual reversal can be performed within an arbitrary range depending on the set positions of "up" and "down".

The above is when switch SW4 is set to "operation", that is, contact r
Switch SW2 when Ys is on. S
Having described the selection of W3, the timer operation will now be described.

Now switch SW4 after setting it to "operation".

When a certain period of time (the product of the time constant of C2R2 and the unique count number of timer element TIC) has elapsed while performing arbitrary pine surge by SW3, the output of timer element TIC becomes H level, transistor Q is turned on, and transistor Q6 is turned on. is turned off, and the contact rYs of relay RYs is turned off.

Then, the input of inverter I6 becomes L level and the output becomes H.
level, switch SW2 is turned on to "up" and switch SW3 is turned on to "weak", the operation starts, and when the top of the movement is reached and the normally closed contact S1 is turned off, the motor M stops rotating and the solenoid SL2 off,
Solenoid SL1 turns on and software operations stop.

If you want to perform pine surge again, press switch S.
After returning W4 to ``storage'', turn it on again to ``operate'', and the output of timer element TIC will return to L level, allowing instant re-pine surge.

Here, the discharge time constant of C3R3 is selected so that one reciprocating operation of switch SW4 performed by the patient is at least 50 m5ec, and the discharge time constant of C3R3 can be reset in that time. It is preferable to set the timer in minutes and one hour is the value selected.

With this timer operation, after the effective pine surge time has elapsed, the timer automatically stops without any human intervention, making it safe even if you fall asleep during the pine surge, and achieving the best pine surge effect. I try to bring out the.

On the other hand, it is equipped with an instantaneous reset switch so that it can be used continuously for patients who do not have enough time to use it or for continuous use by multiple patients.

In addition, the switch SW4 uses a standard switch for high voltage and low capacity, and uses the cheapest switch in terms of contact reliability and service life to keep costs low.

Next, the "storage" operation will be explained.

If you set switch SW4 to 1 stow during the desired pine surge, that is, turn off the contact of switch SW4, the contact rYs of relay Ry3 will be turned off by turning off transistor Q6, and the input of inverter ■6 will become L level. When switch SW3 is set to "weak", the same state as when switch SW2 is turned on to "up" occurs, and when the movement reaches the upper limit, normally closed contact S1 is turned off, rotation of motor M is stopped, solenoid SL2 is turned off, and solenoid SL1 is turned off. is turned on, and the software operation stops at the upper limit position of the mechanical part's movement.

As described above, in the present invention, the wheel body is set at a low position and stored at the end in the direction of movement of the main shaft by the storage signal from the operation/storage switch. Because the body is stored, if you accidentally sit on the bed-shaped pine surge machine, the wheel body is slightly lower than the side rollers and stops at the upper end, so your body will not hit the wheel body, which improves safety. You can get a pine surge device.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the external appearance of one embodiment of the present invention, Fig. 2 is a side view showing the same in use, Fig. 3 is an exploded perspective view of the same,
Figure 4 is a rear view of the leg, Figure 5 is a vertical sectional view, Figure 6 is a cutaway bottom view of the mechanism, Figure 7 is a side view of the same, Figures 8 and 9 are the movement of the wheel. 10 is a sectional view of a solenoid that is an electromagnetic brake, FIGS. 11 and 12 are longitudinal sectional views showing the other side of a planetary mechanism using bearings, and FIG. 13 is a sectional view of a solenoid that is an electromagnetic brake. 14 is a horizontal sectional view of the same as above, FIG. 15a is a schematic circuit diagram, the same figure is a front view of the operating section, and FIG. is the main shaft, 2 is the wheel body, 3 is the drive shaft, 22 is the outer ring, SW
4 indicates a switch.

Claims (1)

[Claims] 1 A main shaft on which a pair of wheels are mounted at predetermined intervals in the axial direction, and a drive shaft that moves the main shaft in a direction perpendicular to the axial direction of the main shaft, each wheel mounted eccentrically with respect to the main shaft. In a pine surge device, the outer ring, which is the outer periphery, can freely rotate, and the main shaft can freely adjust the rotational position within at least half a rotation, and the wheel body is moved to a low position by the storage signal from the operation and storage switch. A pine surge device characterized in that the pine surge device is housed at an end in the direction of movement of the main shaft in a state where it is set.