JP3129406U - Towing device with handle device in gear case - Google Patents

Abstract

To provide a traction device with a handle shaft that can be accurately pulled and positioned by electric traction and rotation of a manual handle.
A traction device (1) in which a motor (3) and a reduction gear (2) having an orthogonal axis are integrally assembled. A pinion shaft 22 provided on the first pinion shaft 22, a first gear 24 engaged with the second pinion 23 provided on the pinion shaft 22, at least one step, an output shaft 5 provided on the first gear 24, and a cord shape connected to the output shaft 5 The body 28, the pulley 6 around which the cord-like body 28 is wound, and the handle shaft 12 arranged in the same direction as the rotation of the pulley 6 are configured to be able to rotate while confirming the driving rotation.
[Selection] Figure 3

Description

  The present invention is a geared motor for winding a rope-like body around a winding drum and rotating the winding drum in order to tension the rope-like body and erect or move a towed object, and manually rotate the winding drum. Further, the present invention relates to a gear case to which a handle shaft is added that enables fine adjustment towing with a manual handle.

In the conventional traction device, the drive motor and the drum are connected as in Patent Documents 1 and 2, and the drum is driven to rotate. A rope for pulling a towed object is wound around the drum, and the operation of towing is performed by the operation of rotating the drum by a drive motor and winding the cord-like body. The drive motor rotated a certain amount, and the rope winding was adjusted by turning the power on and off. Moreover, in patent document 3, it is an opening / closing machine, and is a structure which raises by rotating manually, when opening a shutter at the time of a power failure.
JP 09-132387 A Noto 3085526 JP 2003-4074 A

  However, the drums of Patent Documents 1 and 2 cannot optimally adjust the tension state of the rope due to the constant high speed rotation of the drive motor, and the tension is reverted or reversed too much. It took time to make adjustments. The handle of Patent Document 3 rotates a motor shaft, and has a large speed ratio. Therefore, there is a drawback that a large amount of rotation is required and only a small movement distance can be obtained.

  In the present invention, the pulling operation can be performed quickly by the drive motor, and the rotation of the finely adjusted drum can be smoothly performed by manual rotation by setting the speed ratio to an optimum value, so that the pulling is performed manually and electrically. The traction device is provided with a handle device that can be used. Provided is a traction device in which the axial position of the drum is the same as the axial direction of the handle so that the traction operation can be performed accurately while checking with the eyes of the drum, and the operation can be performed safely and quickly.

  The invention of claim 1 is a geared motor in which a drive motor and a case main body with an orthogonal axis are assembled together. The drive motor includes a brake and a speed reducer. The speed reducer includes a hypoid gear meshing with the motor shaft, a pinion coaxial with the hypoid gear, at least one gear meshing with the pinion, an output shaft provided at an inner diameter of the final stage of the gear, and a cord-like body connected to the output shaft And a handle receiver connected to the pinion arranged in the same direction as the output shaft direction in the gear case.

According to the second aspect of the present invention, the output shaft is provided on the side opposite to the handle receiver.
According to the third aspect of the present invention, when the handle is fitted to the handle receiver and manually rotated, the take-up drum fixed to the output shaft drives and rotates the take-up drum pulled through the cord-like body.

In the structure of Claim 1, there exists an effect | action which can pull a cord-like body by rotating an output shaft manually.
According to the second aspect of the present invention, the handle can be manually rotated while confirming the rotation of the take-up drum.
According to the third aspect of the present invention, when the detachable handle is rotated, the winding drum rotates and the wound cord-like body can be pulled.

According to the first aspect of the invention, since the speed ratio is low, the number of rotations of the handle is reduced, and the traction amount is driven by the manual rotation of the handle, so that the fine adjustment can be easily performed. There is an effect that can be easily wound and unwound.
According to the second aspect of the present invention, since the handle shaft and the output shaft are in opposite directions, there is an effect that the rotation operation of the handle and the rotation of the take-up drum are coupled and the operation can be performed easily and accurately.
According to the third aspect of the present invention, the handle can be attached and detached, and there is an effect that it can be accurately pulled by manual rotation.

  The present invention is a traction device 1 that mechanizes a traction operation that is manually performed by several persons, and enables a delicate manual retraction. In the towing operation, the cord-like body 28 is wound around the pulley 6 a plurality of times, driven and rotated, and wound around the drum 9 around which the extra cord-like body 28 is wound.

  In the example shown in FIG. 1, the operation will be described in which the column 27 is erected and the seat 27 is stretched. The sheet 27 is prepared in a plurality of rolls and is horizontally arranged at a fixed height. The inclined support column 26 is used as a jig, and the cord body 28 is tensioned from the traction device 1 and locked to the support column 26. Then, the support 26 is erected in the vertical direction by winding the cord-like body 28 of the pulley 6 by the rotation of the motor 3. The traction device 1 has a speed reducer 2 connected to one side of a motor 3 and a brake 4 connected to the other side. The speed reducer 2 shifts the rotation of the motor 3 to a high torque at a low speed and transmits it to the output shaft 5.

  The output shaft 5 is a hollow shaft to which a pulley shaft 7 is fitted. A pulley 6 is fixed to the pulley shaft 7, and both ends of the pulley 6 are supported by bearings K (not shown) by a frame 8. The pulley 6 has a cylindrical shape with a small diameter at the center and a large-diameter curve at both ends. The pulley 6 is wound several times to reduce slippage. The cord-like body 28 has one end locked to the support column 26 and the other end wound around the drum 9 to reduce surplus. A handle receiver 10 having a handle shaft 12 is provided at a position opposite to the pulley 6. The handle shaft 12 is connected to the speed reducer 2 and interlocks so that the output shaft 5 can rotate, so that the pulley 6 can be driven and rotated manually.

  Since the reduction gear 2 is engaged with the motor shaft 17 and locked by the brake 4 connected to the motor shaft 17, the handle shaft 12 cannot be rotated. The brake 4 is an electromagnetic type, and is excited when a current flows through the coil 13, attracts the iron plate 15, makes the lining 14 rotatable, and makes the motor shaft 17 rotatable. The lining 14 is engaged with the motor shaft 17 so as to be slidable in the axial direction, and is pressed and locked to the end surface of the stator 19 via the iron plate 15 with a spring. The iron plate 15 is provided with a release lever 16, and by rotating the release lever 16, the lining 14 can be forced to rotate against the biasing force of the spring and the locked state can be released. .

FIG. 2 illustrates the inside of the traction device 1. The brake 4 is on the left side of the drawing, the motor 3 is connected adjacently, and the motor shaft 17 is arranged at the center and screwed together. Yes. The motor shaft 17 includes a first pinion 20 protruding from the stator 19 at the right end, and the left end is disposed in the brake 4. The brake 4 is an electromagnetic type, and the coil 13, the iron plate 15, and the lining 14 are passed through the motor shaft 17 at the center. The coil 13 is fixed to the motor 3 and has a shape that allows the motor shaft 17 to pass through the center with a through hole.
Similarly, the iron plate 15 is formed in a through hole so as to be slidable, and is passed through the motor shaft 17 without contact. The iron plate 15 is pressed against the lining 14 by a plurality of springs (not shown).

  The lining 14 is formed into a square hole and has the same shape as the cross section of the motor shaft 17 and is slightly larger and can slide several millimeters. In the motor 3 adjacent to the brake 4, the rotor 18 is fitted to the motor shaft 17 so that a gap is formed on the outer periphery of the rotor 18, and the stator 19 includes a bearing to form an exterior. In the speed reducer 2 adjacent to the motor 3, the first pinion 20 of the motor shaft 17 is engaged with the hypoid gear 21 to transmit the driving force. The hypoid gear 21 is attached to a pinion shaft 22 orthogonal to the axial direction of the motor shaft 17 to reduce the rotation of the motor 3.

The pinion shaft 22 includes a second pinion 23 on the outer peripheral surface, and is supported by a bearing K provided on both walls of the case 25 to form a handle receiver 10 having one end exposed to the outside. The handle receiver 10 is provided such that a handle shaft 12 having a semicircular cross section protrudes and the handle 11 is engaged. Since the handle 11 is engaged with the handle shaft 12 and rotated before being decelerated by the hypoid gear 21 from the drive rotation speed of the motor 3, the pulley 6 can be rotated at a lower rotation speed, and the operability is improved. Is improving.
The second pinion meshes with the first gear 24 having a large reduction ratio. The first gear 24 is provided around the output shaft 5, and both ends of the output shaft 5 are supported by bearings K of the case 25. The output shaft 5 is hollow so that the pulley shaft 7 can be inserted, and the pulley 6 is rotated.

  FIG. 3 illustrates, as an example, a wall surface for attaching and fixing the sheet 27 from the floor surface to the ceiling portion, and operates to pull up the roll of the sheet 27 upward. The seat 27 is arranged on the floor surface so as to be closed like a wall surface, the traction device 1 is mounted on a wheeled carriage on the floor surface to be movable, and the column 26 is rotated in a direction standing from a horizontal position. It is mounted on the tip. The support column 26 can be rotated by pulling the cord-like body 28 in the vertical direction so that the tip end of the support column 26 can be moved to the upper position.

  The seat 27 is mounted on the upper position of the support 26, and the work is hung upward by the rotation of the support 26. By driving the motor 3 from the ground surface, the pulley 6 is rotated and the cord-like body 28 is moved. The traction action is performed by winding. When the struts 26 are erected by pulling the engaged cord-like bodies 28, the cord-like bodies 28 are pulled little by little by the rotation of the handle 11 so as to be fixed to a metal fitting suspended from the ceiling. The pulling amount is roughly set up by the rotation of the motor 3, the inclination is adjusted by turning on and off the motor 3, and the manual handle 11 and the release lever 16 are used to rotate the optimum position at a fine speed by positive / negative of rotation. To do.

  Since the brake 4 acts in conjunction with the operation of the motor 3, the brake 4 is released and the motor shaft 17 is rotated when the power is on. When the power is turned off, the brake 4 operates to fix the motor shaft 17 and stop the rotation of the pulley 6. When the brake 4 is forcibly released, the release lever 16 is rotated to move the iron plate 15 pressed by the spring in a direction opposite to the urging force of the spring, so that the lining 14 is rotatable, The motor shaft 17 is released by rotating it. A load is applied to the handle 11 via the speed reducer 2, and the pulley 6 is rotated by rotating with the arm force. The forward and backward rotation of the handle 11 and the rotation of the release lever 16 are performed while watching the pulling operation, whereby the seat 27 can be engaged optimally and accurately.

The front view which shows the external appearance of a traction apparatus. Sectional drawing which shows the inside of a traction device. Explanatory drawing which shows embodiment which winds a sheet | seat with a traction apparatus.

Explanation of symbols

1 Traction device 2 Reducer 3 Motor 4 Brake 5 Output shaft (hollow)
6 Pulley 9 Drum 16 Release lever

Claims (3)

In a geared motor in which a drive motor and a case body of an orthogonal axis are assembled together,
The drive motor has a brake, a hypoid gear meshing with the motor shaft, a pinion coaxial with the hypoid gear, at least one gear meshing with the pinion, an output shaft provided at the final stage of the gear, and a cord connected to the output shaft A traction device having a handle device in a gear case, comprising: a winding drum on which a body is wound; and a handle receiver connected to the pinion disposed in the same direction as the output shaft direction on the gear case. 2. A traction device having a handle device in a gear case according to claim 1, wherein the winding drum is provided on a side opposite to the handle receiver. The gear case according to claim 2, wherein when the handle is fitted to the handle receiver and manually rotated, the take-up drum fixed to the output shaft drives and rotates the take-up drum pulled through the cord-like body. A towing device with a handle device.

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