JP2020205670A - Mounting structure in indirect hot-line rod, drive transmission device, and driving device - Google Patents

Abstract

To provide a mounting structure in an indirect hot-line rod capable of surely driving a power shaft connected to a driven shaft of the indirect hot-line rod.SOLUTION: An indirect hot-line rod 1 comprises: a driven shaft 8 disposed in an axial direction; and a power receiving part 9 including a power shaft 14 which is connected in the middle of the driven shaft 8 in the axial direction, and a reference surface (annular part) 19 perpendicular to the power shaft 14. The present invention relates to a mounting structure in the indirect hot-line rod 1 for mounting a power source 27 to the power shaft 14 of the power receiving part 9. The power source 27 includes a transmission shaft 20 which is connected to the power shaft 14 of the power receiving part 9, is mounted to the reference surface 19 in a freely removable manner, and includes a band part 32 which is disposed at an opposite side of the transmission shaft 20 with respect to the indirect hot-line rod 1, for fastening and fixing the power source 27 to the indirect hot-line rod 1 in such a manner that the transmission shaft 20 is connected to the power shaft 14.SELECTED DRAWING: Figure 3

Description

According to the present invention, a mounting structure, a drive transmission device, and a drive transmission device in an indirect live wire rod for attaching a power source to a power receiving unit arranged via a power shaft on a driven shaft arranged in the indirect live wire rod. Regarding the drive unit.

Generally, when the protective tube is attached to the distribution line so as to be fitted on the outside, a tube inserter as disclosed in Patent Document 1 is used. This pipe inserter is attached to the tip of an indirect hot-line rod (rotation operation rod in Patent Document 1), and inside the indirect live-line rod, a driven shaft for rotating a drive tire provided in the pipe inserter is provided. A power receiving unit having a power shaft connected to the driven shaft is arranged in the middle of the indirect hot-line rod in the axial direction.

Then, for example, an electric screwdriver for driving the power shaft is connected to the power receiving portion, and although there is no detailed description in Patent Document 1, the power shaft of the power receiving portion and the electric screwdriver are connected to each other via an attachment portion. It is connected.

Japanese Unexamined Patent Publication No. 8-182135

In Patent Document 1, an electric screwdriver for driving a power shaft is connected to the power receiving unit. However, if the frictional resistance between the inner wall of the protective tube and the outer circumference of the distribution line increases and the driven shaft becomes high torque, the structure of the mounting part between the power receiving part and the electric screwdriver must be reliable, or the electric screwdriver with respect to the power shaft. There is a concern that the power of the electric screwdriver cannot be reliably transmitted to the power shaft due to insufficient connection.

Therefore, an object of the present invention is to provide a mounting structure, a drive transmission device, and a drive device for an indirect live-line rod that can reliably drive a power shaft connected to a driven shaft of the indirect live-line rod.

The present invention includes a driven shaft arranged along the axial direction, a power receiving portion having a power shaft connected in the middle of the driven shaft in the axial direction, and a reference plane perpendicular to the power shaft. It is an attachment structure in the indirect active wire rod for attaching a power source to the power shaft of the power receiving part of the indirect active wire rod provided with.
The power source is provided with a transmission shaft connected to the power shaft of the power receiving portion and is detachably attached to the reference surface, and is attached to the indirect live wire rod on the side opposite to the transmission shaft. It is characterized in that it is arranged and provided with a band portion for tightening and fixing the power source to the indirect live wire rod so that the transmission shaft is connected to the power shaft.

According to the mounting structure of the indirect live wire rod of the present invention, the power source is mounted on the reference surface so as to connect the transmission shaft of the power source to the power shaft of the power receiving portion, and the power source is attached to the indirect live wire rod. By tightening and fixing with the band part, the power source does not come off from the power receiving part, so that the transmission shaft of the power source is securely connected to the power shaft of the power receiving part, and the driven shaft of the indirect live wire rod is smoothly driven. To.

In the mounting structure of the indirect live-line rod of the present invention, the power source includes a contact surface that is perpendicular to the transmission axis and abuts on the reference surface, and the band portion has the reference surface and the contact surface. A configuration having a band tightening portion to be faced can be adopted.

According to the mounting structure of the indirect live wire rod of the present invention, the contact surface of the power source is brought into contact with the reference surface of the power receiving portion, and the reference surface and the contact surface are brought into contact with each other by fastening the band tightening portion of the band portion. Then, the transmission shaft is coaxially connected to the power shaft, and the power source is attached to the power receiving unit.

In the mounting structure of the indirect live wire rod of the present invention, the band portion can adopt a configuration including a regulating portion that regulates the rotation of the power source around the transmission shaft with respect to the reference plane.

According to the mounting structure of the indirect live wire rod of the present invention, the rotation of the power source around the transmission shaft is restricted by the regulating portion, so that the power source does not come off from the power receiving portion.

The present invention includes a driven shaft arranged along the axial direction, a power receiving portion having a power shaft connected in the middle of the axial direction of the transmission shaft, and a reference plane perpendicular to the power shaft. A drive transmission device of an indirect live wire rod provided with the above, which is attached to the power receiving portion and drives the power shaft, and is attached to the reference surface of the power receiving portion and attached to the power shaft. It is provided with a transmission shaft to be connected, and is arranged on the side opposite to the transmission shaft with respect to the indirect active wire rod, and the power is provided with respect to the indirect active wire rod so that the transmission shaft is connected to the power shaft. It is characterized by having a band portion for tightening and fixing the source.

According to the drive transmission device of the present invention, the drive transmission device is powered by attaching the transmission shaft to the reference surface so as to be connected to the power shaft of the power receiving portion and tightening and fixing the transmission shaft to the indirect live wire rod with the band portion. It does not come off from the receiving portion, so that the transmission shaft of the drive transmission device is securely connected to the power shaft of the power receiving portion, and the driven shaft of the indirect live wire rod is smoothly driven.

The present invention has a driven shaft arranged along the axial direction, a power shaft connected in the middle of the driven shaft in the axial direction, and a power receiving unit having a reference plane perpendicular to the power shaft. A drive device including a drive transmission device and an electric driver attached to the reference surface of the power receiving portion of an indirect live wire rod provided with the above, wherein the drive transmission device is the power receiving unit. The electric driver includes a drive shaft connected to the power shaft, and the drive transmission device is attached to the reference surface of the power receiving unit. A band portion is provided that is arranged on the side opposite to the transmission shaft with respect to the indirect active wire rod and tightens and fixes the power source to the indirect active wire rod so that the transmission shaft is connected to the power shaft. It is characterized by that.

According to the drive device of the present invention, the transmission shaft of the drive transmission device is attached to the reference surface so as to be connected to the power shaft of the power receiving portion, and the drive transmission is fastened and fixed to the indirect live wire rod by the band portion. The device does not disengage from the power receiving unit, so that the transmission shaft of the drive transmission device is securely connected to the power shaft of the power receiving unit, and the drive shaft of the electric driver is securely connected to the transmission shaft of the drive transmission device.

According to the present invention, it is a mounting structure, a drive transmission device, and a drive device in an indirect live wire rod that can reliably drive a power shaft connected to a driven shaft of the indirect live wire rod.

In the first embodiment of the present invention, it is a front view when the protective tube is attached to the distribution line by using the protective tube insertion machine. In the first embodiment, it is a perspective view before attaching a power source to a power receiving unit. It is a top view of the state which attached the power source to the power receiving part. It is a top view which showed the contact state between the bulging part of the power receiving part and the transmission device main body. On the other hand, it is a development view in the vertical direction mainly of the band support portion and the rotating body. On the other hand, it is a front view showing the mounting state of the band support portion and the locking body. It is a perspective view in the process of attaching a power source to the power receiving part. It is a front view of the state which attached the power source to the power receiving part. It is a top view of the state where the bulging part of the power receiving part and the transmission device main body are not in contact with each other. It is a perspective view which rotates the 1st adjustment screw member in a state where the bulging part of the power receiving part and the transmission device main body are not in contact with each other. It is a perspective view of the state which attached the power source to the power receiving part. It is a top view which shows the 2nd Embodiment of this invention. It is a top view which shows the 3rd Embodiment of this invention. It represents the 4th Embodiment of this invention, and is the front view in the process of attaching a power source to a power receiving part. It is a top view of the state which attached the power source to the power receiving part. It is a perspective view of the same power source.

Hereinafter, an indirect hot-line tool using an indirect hot-line rod according to an embodiment of the present invention will be described with reference to the drawings. First, the first embodiment will be described with reference to FIGS. 1 to 11.

As shown in FIG. 1, the indirect hot-line tool using the indirect hot-line rod (also referred to as a hot stick) 1 of the present embodiment uses a protective tube insertion machine 2 attached to the tip portion of the indirect hot-line rod 1. By driving the drive tire 3, the protective pipe (also referred to as a protective pipe) 4 is fitted onto the distribution line 5. Therefore, the outline of the indirect hot-line rod 1 and the protective tube insertion machine 2 will be described.

First, the indirect hot-line rod 1 includes a main body rod 6, a connecting device 7, a driven shaft 8, a power receiving unit 9, and a connecting rod 10. The main body rod 6 includes a grip portion 11 that is gripped by the operator's fingers and a free rotation shaft 12 that is connected to the axially tip side of the grip portion 11. The grip portion 11 is a rod-shaped body, and a power receiving portion 9 described later is arranged at the axial base end portion thereof. The free rotation shaft 12 is a rod-shaped body extended in the axial direction of the grip portion 11, and is provided so as to be rotatable around the axial direction.

The connecting device 7 is a rod-shaped body arranged at the axial end of the free rotation shaft 12. Further, the coupling device 7 includes a locking piece (locking pin) 13 for locking the drive tire 3, and the locking piece 13 is rotatable around a direction perpendicular to the axial direction.

A driven shaft 8 along the axial direction is built inside the main body rod 6 and the connecting device 7. The driven shaft 8 is connected to a power shaft 14 provided by the power receiving unit 9, and the driven shaft 8 extends from the power shaft 14 to the locking piece 13 (connecting device 7). Further, the driven shaft 8 has a plurality of bevel gears 15 arranged inside the main body rod 6. In short, the driven shaft 8 is used so that the rotation of the power shaft 14 is driven by the rotation of the locking piece 13 to rotate the drive tire 3.

The power receiving portion 9 includes a tubular body 16 whose diameter is larger than that of the main body rod 6 along the axial direction of the main body rod 6, and a bulging portion 17 integrally formed on the side portion of the tubular body 16. Is formed from. The bulging portion 17 is a columnar body in a direction perpendicular to the axial direction. Since the outer circumference of the tubular body 16 bulges from the main body rod 6, the bulging portion 17 also bulges from the main body rod 6. As shown in FIG. 2, in the tip portion of the bulging portion 17, a step is provided in the direction perpendicular to the axial direction between the center side and the outer side thereof. More specifically, the tip portion of the bulging portion 17 is located on the outer periphery of the power shaft support portion 18 on the center side and the power shaft support portion 18, and is arranged from the power shaft support portion 18 via the stepped surface 18a. An annular portion 19 is provided.

The power shaft support portion 18 is formed on an annular flat surface, and one side of the power shaft 14 is supported by the power shaft support portion 18. The end portion of the power shaft 14 is formed relative to the hexagonal portion so that the hexagonal portion of the transmission shaft 20 described later is internally fitted. The power shaft support portion 18 and one end of the power shaft 14 are formed substantially flush with each other. The stepped surface 18a is an inclined surface that inclines outward from the power shaft support portion 18. The annular portion 19 has an annular flat surface. The annular portion 19 has a direction perpendicular to the power shaft 14 and serves as a reference surface for mounting the drive transmission device 21 described later.

Returning to FIG. 1, the connecting rod 10 is a rod-like body parallel to the main body rod 6, the connecting rod 10 is erected on the grip portion 11 and the connecting device 7, and the connecting rod 10 is gripped to rotate the free rotation shaft 12. It is possible to make it. Therefore, in some cases, the operator can grasp the connecting rod 10 and rotate the free rotation shaft 12.

Next, the outline of the protective tube insertion machine 2 will be described. As shown in FIG. 1, the protective tube insertion machine 2 is arranged at the end of the main body rod 6. The protective tube insertion machine 2 integrally includes a slide member 22, an interrupt guide plate 23, and the drive tire 3. The slide member 22 is formed with a hook-shaped portion 24 protruding in a hook shape so as to cover the upper portion of the outer circumference of the distribution line 5, and the hook-shaped portion 24 of the slide member 22 is engaged from the upper portion of the outer circumference of the distribution line 5. It will be stopped.

Further, the interrupt guide plate 23 has a slope wall 25 that intersects the direction in which the distribution line 5 extends at an acute angle, and the interrupt guide plate 23 cuts into the cut of the protective pipe 4 to cut the cut of the protective pipe 4. It can be opened. The drive tire 3 is rotatably held so as to press the slope wall 25 of the interrupt guide plate 23. The rotation axis of the drive tire 3 is supported by a gear box 26, and the gear box 26 includes a set of bevel gears (not shown) that change the direction of the rotation axis. Then, the driven tire 3 is rotationally driven by transmitting a rotational force from the driven shaft 8 of the indirect live-line rod 1 to the drive tire 3. The applicant of the present application describes in detail the protective tube insertion machine 2 in Japanese Patent Application No. 2011-187428, which filed a patent application on August 30, 2011.

In such a protective tube insertion machine 2, the hook-shaped portion 24 of the slide member 22 is locked from the upper part of the outer periphery of the distribution line 5 and slidably arranged on the distribution line 5, and the slope wall 25 of the insertion guide plate 23 is slidably arranged. A protective tube 4 is inserted between the drive tire 3 and the drive tire 3. Then, by driving the drive tire 3, the interrupt guide plate 23 interrupts the cut of the protective tube 4, opens the cut of the protective tube 4, and further drives the drive tire 3 to drive the drive tire 3 in the distribution line 5. It is shifted in the axial direction of the distribution line 5 so that the longitudinal direction thereof is fitted externally.

In this embodiment, a power source 27 (corresponding to a drive device) attached to the power receiving unit 9 is used to rotationally drive the drive tire 3 of the protective tube insertion machine 2. The power source 27 includes a drive transmission device 21 and an electric screwdriver 28.

The electric driver 28 is generally known, and includes an electric motor main body 29 and a driver 30 that is built in the electric motor main body 29 and is rotated by driving the electric motor main body 29. In the electric motor main body 29, the tip of the driver 30 is provided. The portion is a tool recess 31 for inserting the transmission shaft 20 (input shaft 20a).

As shown in FIG. 2, the drive transmission device 21 is also referred to as a torque booster. The drive transmission device 21 includes a transmission shaft 20 connected to the power shaft 14 of the power receiving portion 9, and is detachably attached to the annular portion 19 (corresponding to the reference plane), and the indirect live wire rod 1 A band portion 32 for tightening and fixing the drive transmission device 21 to the power receiving portion 9 (main body rod 6) is provided.

That is, the drive transmission device 21 is an assembly including the transmission device main body 33 and the band portion 32. The transmission device main body 33 is detachably attached to the power receiving unit 9. A deceleration mechanism (not shown) is arranged inside the transmission device main body 33. Therefore, the outer shell of the transmission device main body 33 is arranged in a box body corresponding to the speed reduction mechanism portion. The transmission shaft 20 is penetrated through the transmission device main body 33. In the transmission shaft 20, the transmission shaft 20 on one side of the transmission device main body 33 is set to the input shaft 20a side connected to the electric screwdriver 28, and the transmission shaft 20 on the other side of the transmission device main body 33 is connected to the power shaft 14. It is on the output shaft 20b side.

As shown in FIG. 3, one surface portion on one side of the transmission device main body 33 is used as an input shaft support portion 35 for supporting the input shaft 20a, and the input shaft support portion 35 which is a penetrating portion of the input shaft 20a is , It is formed so as to protrude from the other one side portion. Therefore, when the tool recess 31 of the electric screwdriver 28 is attached to the input shaft 20a, there is nothing to interfere with it.

The other surface portion, which is the other surface of the transmission device main body 33, is used as an output shaft support portion that supports the output shaft 20b. The other surface portion is formed in a shape relative to the tip portion of the bulging portion 17. That is, as shown in FIGS. 3 and 4, the other surface portion of the transmission device main body 33 includes an output shaft support surface portion 37, a stepped fitting portion 38, and a contact surface portion (corresponding to a contact surface) 39. ..

The output shaft support surface portion 37 is a surface of the transmission shaft 20 that supports the output shaft 20b and is an annular surface. The stepped fitting portion 38 is a continuous portion of the output shaft support surface portion 37 and the contact surface portion 39, and is formed so as to be fitted (outerly fitted) with the stepped surface 18a. The contact surface portion 39 is an annular surface arranged on the outside of the output shaft support surface portion 37 via the stepped fitting portion 38. The contact surface portion 39 can come into contact with the annular portion 19 from the outside. In other words, the contact surface portion 39 can come into contact with the annular portion 19 from the axial direction. The input shaft support portion 35 and the power shaft support portion 18 are separated from each other in a state where the annular portion 19 and the contact surface portion 39 are in contact with each other.

The configuration of the band portion 32 will be described. The band portion 32 is made of metal and includes a holding body 40 and a band main body 41 as shown in FIGS. 2 and 3. The holding body 40 supports one side and the other side of the band main body 41, and is arranged on the power receiving portion 9 side in a state where the transmission device main body 33 is mounted on the power receiving portion 9, and is arranged as shown in FIG. It is formed in a U-shape when viewed in a plane.

As shown in FIG. 5, a band support portion 42 held by the holding body 40 is connected to one side of the transmission device main body 33. On the other hand, the band support portion 42 is formed in a plate shape. On the other hand, the band support portion 42 is rotatably supported by the holding body 40 (transmission device main body 33) via the pin P1 in the vertical direction. On the other hand, the band support portion 42 includes a band piece 42A, 42A formed so as to be separated in the vertical direction, and a band recess 42B recessed toward the pin P1 between the band pieces 42A, 42A. On the other hand, a rotating body 44 connected to the end of the band support portion 42 is attached to the band support portion 42. The band recess 42B is configured to support the convex portion 44A in the vertical direction in the rotating body 44 connected to one side of the band main body 41. On the other hand, in the band support portion 42, a first screw hole 42a for screwing the first adjustment screw member 46 for attaching the rotating body 44 is formed from the bottom surface of the band recess 42B toward the holding body 40. The rotating body 44 and the first adjusting screw member 46 will be described in detail later.

On the other hand, the band support portion 43 is formed in a plate shape and is rotatably supported by the transmission device main body 33 via a pin P2 in the vertical direction on the holding body 40. On the other hand, at the end of the band support portion 43, second adjusting screw members 48, 48 arranged apart from each other in the vertical direction are provided.

The second adjusting screw members 48, 48 are integrated with a second male screw 48a, a second large diameter cylinder 48b having a diameter larger than that of the second male screw 48a, and a knob T1 for operating the second large diameter cylinder 48b. Is formed in. A second stepped portion 48c is formed between the second male screw 48a and the second large diameter cylinder 48b. On the end surface of the other band support portion 43, a second screw hole 47a is formed along the surface direction of the other band support portion 43 and into which the second male screw 48a can be screwed.

The band body 41 is connected to one band support portion 42 and the other band support portion 43. The drive transmission device 21 (transmission device main body 33) is arranged on one side and the band main body 41 is arranged on the other side with respect to the power receiving unit 9, and the power receiving unit 9 is placed between the drive transmission device 21 and the band main body 41. It is used to sandwich. The band body 41 includes the rotating body 44, the band body 50, and the locking body 50A.

As shown in FIG. 3, the band 50 is formed in a curved shape in a plan view, and has an inner surface 51 having a curvature substantially the same as the curvature of the tubular body 16 of the power receiving portion 9, and a curvature larger than the inner surface 51. The outer surface 52 of the above is provided. Further, the band body 50 is set to be slightly smaller than the height of the tubular body 16. Further, the inner surface 51 of the band 50 has an area surrounding substantially half of the outer circumference of the tubular body 16.

As shown in FIG. 5, one end of the band 50 includes holding pieces 50a separated from each other in the vertical direction. Further, the holding piece 50a is extended from the inner surface 51 of the band 50. A gap 53 for inserting the upper and lower held pieces 44a formed in the rotating body 44 is provided between the holding pieces 50a. The rotating body 44 includes a held piece 44a inserted into the holding piece 50a, the convex portion 44A, and a plate-shaped body 54 in which the held piece 44a and the convex portion 44A are continuous.

A concave portion 55 recessed toward the convex portion 44A is formed between the held pieces 44a. The held piece 44a is rotatably configured as a holding piece 50a via a pin P3 in the vertical direction. The inner surface of the plate-shaped body 54 in the rotating body 44 is arranged on an extension of the inner surface 51 of the band body 50.

An attachment device for the rotating body 44 and the one-side band support portion 42 will be described. This mounting device includes the first adjusting screw member 46, the first insertion hole 56, and the first screw hole 42a. The first adjusting screw member 46 is integrally formed with a first male screw 57, a first large diameter cylinder 58 having a diameter larger than that of the first male screw 57, and a knob T2 for operating the first large diameter cylinder 58. Has been done. A first stepped portion 59 is formed between the first male screw 57 and the first large diameter cylinder 58.

The first insertion hole 56 is penetrated from the concave portion 55 to the convex portion 44A, and the first screw hole 42a is penetrated from the bottom surface of the one-side band support portion 42 to the one-side band support portion 42. The first insertion hole 56 and the first screw hole 42a are arranged so as to face each other. Further, a first locking portion 60 for locking to the first stepped portion 59 is formed at the innermost portion of the first insertion hole 56, and the first locking portion 60 is smaller than the first insertion hole 56. It is formed to a diameter and the first male screw 57 can be inserted.

In the mounting device of the rotating body 44 and the one-side band support portion 42, the first adjusting screw member 46 is passed through the first insertion hole 56, and the first male screw 57 is screwed into the first insertion hole 56, thereby causing the rotating body 44. On the other hand, the band support portion 42 is connected.

As shown in FIG. 2, a locking body 50A connected to the second adjusting screw members 48, 48 is arranged at the other end of the band 50. The inner surface of the locking body 50A is formed on an extension of the inner surface 51 of the band 50, and the locking body 50A is substantially the same as the band width direction of the band 50 in the vertical dimension thereof.

A plurality of (three in this embodiment) fitting groove portions 61 for fitting the second adjusting screw members 48, 48 are formed on the end surface of the locking body 50A. The fitting groove portion 61 is arranged at a relative position of the second adjusting screw members 48, 48. The fitting groove portion 61 is on the inner surface side thereof, and is integrally formed with a small groove 62 having a small diameter into which the second male screw 48a of the second adjusting screw members 48, 48 can be fitted, and the second adjusting screw member 62. It has a large-diameter groove 63 into which the second large-diameter cylinder 48b of the screw members 48, 48 can be fitted. Further, a second locking portion 64 is formed between the small groove 62 and the large diameter groove 63 to engage the second stepped portion 48c in the axial direction of the second screw hole 47a.

The band portion 32 includes a regulating portion that regulates the power source 27 around the transmission shaft 20 with respect to the annular portion 19. The regulating portion is formed on the band body 41. That is, the inner surface of the rotating body 44 and the inner surface of one band support portion 42 are one regulating portion, and the inner surface of the other band support portion 43 and the inner surface of the locking body 50A are the other regulating portion.

To attach the power source 27 to the power receiving unit 9, the procedure is as follows. First, in the mounting device of the rotating body 44 on one side of the power source 27 and the band support portion 42, the first adjusting screw member 46 is inserted into the first insertion hole 56, and the first male screw is inserted into the first screw hole 42a. By screwing 57, one band support portion 42 and the rotating body 44 are connected.

On the other hand, on the other side of the power source 27, as shown in FIG. 7, only the second male screw 48a of the second adjusting screw members 48, 48 is screwed into the second screw hole 47a, and the other side. The band support portion 43 and the locking body 50A are separated from each other.

As shown in FIGS. 3 and 4, such a power source 27 is fitted so that the output shaft 20b of the transmission shaft 20 fits into the power shaft 14 of the power receiving portion 9, and the annular portion of the power receiving portion 9. The power receiving portion 9 and the transmission device main body 33 are temporarily fixed to 19 so as to abut the contact surface portion 39 of the power source 27. At this time, the power shaft support portion 18 of the power receiving portion 9 and the output shaft support surface portion 37 of the transmission device main body 33 face each other.

Next, as shown in FIG. 7, the band 50 is rotated to the outer circumference of the power receiving portion 9, and the locking body 50A is connected to the other band support portion 43. At this time, as shown in FIG. 3, the band support portion 42 is rotatably supported by the transmission device main body 33 via the pin P1, and the held piece 44a of the rotating body 44 is the pin P3 in the vertical direction. Since the holding piece 50a is rotatably configured via the above, the band support portion 42 and the rotating body 44 are rotatable around pins P1 and P3, respectively, and therefore, on the outer periphery of the power receiving portion 9. There is nothing in the way to wind the band 50. Further, since the inner circumference of the band 50 has substantially the same curvature as the curvature of the tubular body 16 of the power receiving portion 9, the inner circumference of the belt 50 can be easily attached to the outer circumference of the power receiving portion 9.

Next, the other band support portion 43 and the locking body 50A are connected. At this time, as shown in FIGS. 6 and 8, the second male screw 48a of the second adjusting screw members 48, 48 is fitted into the small groove 62 of the locking body 50A, and the second adjusting screw members 48, 48 The large diameter groove 63 is fitted into the second large diameter cylinder 48b. At this time, since the other band support portion 43 is rotatably supported by the transmission device main body 33 via the pin P2 in the vertical direction, the other band support portion 43 becomes rotatable around the pin P2 and is locked. The fitting of the fitting groove 61 of the body 50A and the second adjusting screw members 48, 48 is not hindered.

Next, as shown in FIG. 9, when the annular portion 19 of the power receiving portion 9 and the contact surface portion 39 of the transmission device main body 33 are misaligned, they are accurately surfaced. At this time, the first adjusting screw member 46 and the second adjusting screw members 48, 48 are rotated. First, the operator grips the knob T1 of the second adjusting screw members 48, 48 and rotates the second adjusting screw members 48, 48. When the second adjusting screw members 48, 48 are rotated in a predetermined direction, the second stepped portion 48c is locked to the second locking portion 64 in the direction along the diameter direction of the main body rod 6, and the locking body is locked. 50A approaches the other band support 43. Then, when the end surface of the locking body 50A and the end surface of the other band support portion 43 come into contact with each other, the rotation of the second adjusting screw members 48, 48 is stopped.

Even when the rotation of the second adjusting screw members 48, 48 is stopped, when the bottom portion of the band recess 42B in the band support portion 42 and the end surface of the convex portion 44A in the rotating body 44 are not close to each other, FIG. As shown in FIG. 10, a tool is inserted from the recess 55, the knob T2 of the first adjusting screw member 46 is rotated to rotate the first adjusting screw member 46, and the first male screw 57 is tightened to the first screw hole 42a. Rotate in the direction. As a result, the end surface of the convex portion 44A and the bottom surface of the band concave portion 42B come close to each other.

In this way, the transmission device main body 33 is tightened and fixed to the main body rod 6 by the band portion 32, and the power receiving portion 9 is rotated by the rotation of the second adjusting screw members 48, 48 and the first adjusting screw member 46. The annular portion 19 and the contact surface portion 39 of the transmission device main body 33 can be reliably brought into contact with each other. That is, the second adjusting screw members 48, 48 and the first adjusting screw member 46 have a mounting structure in which the annular portion 19 (reference surface) and the contact surface portion 39 are in contact with each other as a band tightening portion.

Then, according to this embodiment, by rotating the first adjusting screw member 46, the distance between the band support portion 42 and the rotating body 44 is adjusted, and the second adjusting screw members 48, 48 are rotated. On the other hand, the distance between the band support portion 43 and the locking body 50A can be adjusted so that the annular portion 19 and the contact surface portion 39 can be securely attached.

Since the input shaft 20a of the transmission shaft 20 is projected from the transmission device main body 33, as shown in FIG. 1, the tool recess 31 provided in the electric motor main body 29 of the electric screwdriver 28 is inserted into the electric motor main body 33. By driving 29, the tip of the driver 30 is connected to the input shaft 20a of the transmission shaft 20, and the output shaft 20b of the electric motor main body 29 is driven by the reduction mechanism portion of the transmission device main body 33, and is driven from the power shaft 14. The shaft 8 is reached, and the drive tire 3 rotates as described above.

Since the drive tire 3 is for fitting the protective tube 4 to the distribution line 5, the driven shaft 8, the power shaft 14, and the transmission shaft 20 are loaded by inserting the protective tube 4 into the outer fitting. However, according to the mounting structure of such an indirect live wire rod, the transmission device main body 33 is tightened and fixed to the main body rod 6 by the band portion 32, and the second adjustment screw members 48, 48 and the first adjustment Since the annular portion 19 of the power receiving portion 9 and the contact surface portion 39 of the transmission device main body 33 can be reliably brought into contact with each other by the rotation of the screw member 46, that is, the band tightening portion, the transmission device main body 33 which is the power source 27 and the electric motor The driver 28 does not come off from the power receiving unit 9, so that the transmission shaft 20 is securely connected to the power shaft 14 of the power receiving unit 9, and the drive tire 3 is smoothly driven.

Moreover, the band portion 32 has a mounting structure including a regulating portion that regulates rotation around the contact surface portion 39 with respect to the annular portion 19, and the inner surface of the plate-shaped body 54 in the rotating body 44 is the inner surface 51 of the band 50. It is arranged on the extension, and one band support portion 42 is connected to the rotating body 44, and since these approach the power receiving portion 9, the rotation around the contact surface portion 39 is restricted on one side.

The inner surface of the locking body 50A is formed on an extension of the inner surface 51 of the band 50, while the band support portion 43 is connected to the locking body 50A, and these approach the power receiving portion 9. The rotation around the contact surface portion 39 is restricted on the other side. Therefore, the annular portion 19 of the power receiving portion 9 and the contact surface portion 39 of the transmission device main body 33 do not deviate from each other. Further, even if a load is applied to the driven shaft 8, the power shaft 14, and the transmission shaft 20 due to the outer fitting insertion of the protection tube 4, the transmission device main body 33 and the electric screwdriver 28, which are the power source 27, are outside the power receiving unit 9. Therefore, the transmission shaft 20 is securely connected to the power shaft 14 of the power receiving unit 9, and the drive tire 3 is smoothly driven.

Next, a second embodiment of the present invention is shown in FIG. The difference between the second embodiment and the first embodiment is mainly the structure of the band portion. In the second embodiment, one band holding portion 70 and the other band holding portion 71 are arranged on the side of the transmission device main body 33. One hook member 72 and the other hook member 73 are fixed to the plate surface of the band holding portion 70 and the other band holding portion 71 on the power receiving portion 9 side. The distance between the hook member 72 on the one hand and the hook member 73 on the other hand is formed to be larger than the width of the power receiving portion 9. Further, as the band portion, a wire 74 can be mentioned.

On the other hand, the hook portion 76 of the turnbuckle 75 is locked to the hook member 72. One portion of the wire 74 is locked to the other hook portion 77 of the turnbuckle 75, an intermediate portion of the wire 74 is wound around the power receiving portion 9, and the other portion of the wire 74 engages with the other hook member 73. It has been stopped. Other configurations are the same as those in the first embodiment.

In the case of the second embodiment, the hook portion 76 of the turnbuckle 75 may be detachably attached to the band holding portion 70, or may be fixed. Further, one portion of the wire 74 may be detachably attached to the other hook portion 77 of the turnbuckle 75, or may be fixed. Further, the other portion of the wire 74 may be detachably attached to or fixed to the other hook member 73.

In any case, regarding the connection of the power source 27 to the power receiving portion 9, for example, the hook portion 76 of the turnbuckle 75 is locked to the one band holding portion 70, and the wire is connected to the other hook portion 77 of the turnbuckle 75. One portion of the 74 is locked, the wire 74 is wound around the power receiving portion 9, and the other portion of the wire 74 is locked to the other hook member 73. Then, by tightening the turnbuckle 75, the power source 27 is connected to the power receiving unit 9. That is, the turnbuckle 75 serves as a band tightening portion, and the annular portion 19 which is the reference surface and the contact surface portion 39 which is the contact surface are brought into contact with each other.

Further, the distance between the one hook member 72 and the other hook member 73 is formed to be larger than the width of the power receiving portion 9, so that the wire 74 is firmly fixed to the outer periphery of the power receiving portion 9. Therefore, the intermediate portion of the wire 74 becomes a regulating portion that regulates the rotation around the contact surface portion 39 with respect to the annular portion 19.

A third embodiment of the present invention is shown in FIG. A portion different from the third embodiment and the second embodiment includes a ratchet type loader 78 connected to the wire 74 instead of the turnbuckle 75 connected to the wire 74. The load clamp 78 includes an operating lever 79 to operate the ratchet 80. By operating the operating lever 79 in this way, the wire 74 is tightened.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. 14 to 16. In the fourth embodiment, the power source 27 includes a band portion 32 that tightens and fixes the transmission device main body 33 shown in the first embodiment to the main body rod 6. The configuration of the power receiving unit 9 is the same as that of the first embodiment.

The band portion 32 includes a band holding piece 81, a band body 82, and an adjusting screw member 83 for tightening and fixing the main body rod 6 between the transmission device main body 33 and the band body 82.

The band holding piece 81 is arranged on the power receiving portion 9 side of the transmission device main body 33, and is arranged on one side of the transmission device main body 33 and on the other side of the transmission device main body 33. On the other hand, it includes a band holding portion 71. The band holding portion 70 on the one hand and the band holding portion 71 on the other hand are formed in a rectangular parallelepiped shape along the height direction of the transmission device main body 33.

As shown in FIG. 15, the band 82 is formed in a circular arc shape in a plan view, and has an inner surface 82a having a curvature substantially the same as the curvature of the tubular body 16 of the power receiving portion 9, and an outer surface 82b having a curvature larger than the inner surface 82a. And. Further, the band body 82 is set to be slightly smaller than the height of the tubular body 16. Further, the inner surface 82a of the band body 82 has an area surrounding substantially half of the outer circumference of the tubular body 16.

The adjusting screw member 83 is configured to arrange the inner surface 82a of the band body 82 at a position facing the other surface portion of the transmission device main body 33. The adjusting screw member 83 is inserted through one side of the band 82 and one band holding portion 70, and is inserted through the other side of the band 82 and the other band holding portion 71. As shown in FIGS. 14 and 16, two adjusting screw members 83 on one side and two adjusting screw members 83 on the other side are arranged in the vertical direction.

As shown in FIGS. 14 and 15, the adjusting screw member 83 is integrally formed with a male screw 84, a large diameter cylinder 85 having a diameter larger than that of the male screw 84, and a knob T3 for operating the large diameter cylinder 85. Has been done. A stepped portion 86 is formed between the male screw 84 and the large diameter cylinder 85. The adjusting screw member 83 is inserted through one side of the band 82 and one band holding portion 70, and is arranged on the other side of the band 82 and the other band holding portion 71, but one of the adjusting screw members 83. Since there is only a difference between one side of the band 82 and the one band holding portion 70 on the side, the arrangement of the adjusting screw member 83 on the other side will be described here with reference to FIG. 14 for convenience.

The male screw 84 has an insertion hole 87 formed along the radial direction of the main body rod 6 on the other side of the band 82, and a screw hole 88 along the radial direction of the main body rod 6 is formed on the other band holding portion 71. ing. A locking portion 89 that locks to the stepped portion 86 is formed on the other side of the insertion hole 87 on the band holding portion 71 side. The adjusting screw member 83 is inserted through the insertion hole 87, and the male screw 84 is screwed into the screw hole 88. A cover 90 for preventing damage to the screw is fitted on the outer circumference of the male screw 84. The adjusting screw member 83 having such an arrangement is provided on one side and one band holding portion 70 of the band body 82, and on the other side and the other band holding portion 71 of the band body 82.

In the fourth embodiment, the transmission device main body 33 can be connected to the power receiving unit 9 by sliding it from the lower side of the main body rod 6 to the power receiving unit 9. That is, the transmission device main body 33 and the band portion 32 are combined, and as shown in FIG. 14, a space between the transmission device main body 33 and the band portion 32 is inserted from the lower side of the main body rod 6, and the power receiving portion 9 is inserted. To reach.

Then, as shown in FIG. 15, the annular portion 19 and the contact surface portion 39 are brought into contact with each other so that the transmission shaft 20 is fitted to the power shaft 14, and the operator grasps the knob T3 and rotates the adjusting screw member 83. The male screw 84 is screwed into the screw hole 88. Then, when the stepped portion 86 reaches the locking portion 89, the one band holding portion 70 or the other band holding portion 71 is returned to the large diameter cylinder 85 by the rotation of the male screw 84, and the inner surface 82a of the band body 82 is moved. It comes into contact with the outer circumference of the power receiving portion 9. At this time, by adjusting the rotation of the adjusting screw member 83 on one side and the adjusting screw member 83 on the other side, the contact of the inner surface 82a of the band body 82 on the outer circumference of the power receiving portion 9 is adjusted, and the power receiving portion The annular portion 19 of 9 and the contact surface portion 39 of the transmission device main body 33 can be reliably brought into contact with each other.

As described above, in the band body 82 (band portion), the band tightening portion that abuts the annular portion 19 and the contact surface portion 39 is the adjusting screw member 83. Further, an adjusting screw member 83 on one side and an adjusting screw member 83 on the other side are arranged on the side of the power receiving portion 9, and these adjusting screw members 83 are arranged in the vicinity of the power receiving portion 9. Therefore, the adjusting screw member 83 in the band portion 32 serves as a regulating portion that regulates the rotation around the contact surface portion 39 with respect to the annular portion 19.

For example, the mounting structure of the indirect hot-line rod, the drive transmission device 21, and the power source 27 (drive device) are not limited to the indirect live-line tool using the protective tube insertion machine 2. For example, instead of the protective tube insertion machine 2, an indirect hot-line tool for compressing a compression sleeve (not shown) connecting the distribution lines 5 can be used. In this case, the mounting structure, the drive transmission device 21, and the power source 27 (drive device) are used to obtain the compressive force of the compression sleeve.

Further, in the first embodiment, when the annular portion 19 of the power receiving portion 9 and the contact surface portion 39 of the transmission device main body 33 are misaligned, they are accurately surfaced. At this time, the first adjusting screw member 46 and the second adjusting screw members 48, 48 are rotated. Further, in the fourth embodiment, by adjusting the rotation of the adjusting screw member 83 on one side and the adjusting screw member 83 on the other side, the contact of the inner surface 82a of the band body 82 on the outer circumference of the power receiving portion 9 is adjusted. Then, the annular portion 19 of the power receiving portion 9 and the contact surface portion 39 of the transmission device main body 33 are brought into contact with each other.

However, the present invention may include the following configurations. That is, the transmission device main body and the band portion on which the transmission shaft is projected are provided, the band portion includes a band portion, and one side and the other side of the band portion are connected to the transmission device main body, and the transmission device main body and the band portion are provided. It is configured to include a pair of connecting portions for tightening and fixing by sandwiching an indirect live wire rod between the two, and at least one connecting portion is configured so that the connecting distance between them can be adjusted. May be good. According to this configuration, at least one connecting portion is configured so that the connecting distance between them can be adjusted, so that the reference surface and the contact surface can be tightened so as to face each other.

1 ... Indirect live wire rod, 2 ... Protective tube inserter, 3 ... Drive tire, 4 ... Protective tube, 5 ... Distribution line, 6 ... Main body rod, 8 ... Driven shaft, 9 ... Power receiving part, 13 ... Locking piece , 14 ... power shaft, 17 ... bulging part, 18 ... power shaft support part, 18a ... stepped surface, 19 ... annular part, 20 ... transmission shaft, 20a ... input shaft, 20b ... output shaft, 21 ... drive transmission device , 23 ... Interruption guide plate, 27 ... Power source, 28 ... Electric driver, 31 ... Tool recess, 32 ... Band part, 33 ... Transmission device body, 35 ... Input shaft support part, 37 ... Output shaft support surface part, 38 ... Stepped fitting part, 39 ... contact surface part, 40 ... holding body, 41 ... band body, 42 ... one-sided band support part, 42A, 42A ... one-sided band piece, 42B ... band recess, 42a ... first screw hole, 43 ... On the other hand, the band support portion, 44 ... rotating body, 44A ... convex portion, 46 ... first adjusting screw member, 47a ... second screw hole, 48, 48 ... second adjusting screw member, 48b ... second large diameter cylinder, 48c ... Second stepped portion, 50 ... Band, 50A ... Locking body, 50a ... Holding piece, 55 ... Recess, 56 ... First insertion hole, 57 ... First male screw, 58 ... First large diameter tube, 59 ... No. One-stepped portion, 60 ... first locking portion, 61 ... fitting groove portion, 64 ... second locking portion, P1 ... pin, P2 ... pin, P3 ... pin

Claims (5)

Indirect with a driven shaft arranged along the axial direction and a power receiving portion having a power shaft connected in the middle of the driven shaft in the axial direction and having a reference plane perpendicular to the power shaft. It is a mounting structure of an indirect live wire rod for mounting a power source on the power shaft of the power receiving portion of the live wire rod.
The power source is provided with a transmission shaft connected to the power shaft of the power receiving portion and is detachably attached to the reference surface, and is attached to the indirect live wire rod on the side opposite to the transmission shaft. A mounting structure for an indirect live wire rod that is arranged and includes a band portion that tightens and fixes the power source to the indirect live wire rod so that the transmission shaft is connected to the power shaft. The power source includes a contact surface that is perpendicular to the transmission shaft and abuts on the reference surface, and the band portion includes a band tightening portion that abuts the reference surface and the contact surface. The mounting structure for the indirect live wire rod described in. The mounting structure for an indirect hot-line rod according to claim 2, wherein the band portion includes a regulating portion that regulates the rotation of the power source around the transmission shaft with respect to the reference surface. Indirect with a driven shaft arranged along the axial direction and a power receiving portion having a power shaft connected in the middle of the axial direction of the transmission shaft and having a reference plane perpendicular to the power shaft. A drive transmission device attached to the power receiving portion of a live wire rod to drive the power shaft.
A transmission shaft attached to the reference surface of the power receiving unit and connected to the power shaft is provided, and the transmission shaft is arranged on the side opposite to the transmission shaft with respect to the indirect live wire rod. A drive transmission device including a band portion for tightening and fixing the power source to the indirect live-line rod so as to be connected to the power shaft. It is provided with a driven shaft arranged along the axial direction, a power shaft connected in the middle of the driven shaft in the axial direction, and a power receiving unit having a reference plane perpendicular to the power shaft. A drive device of an indirect live wire rod, which is attached to the reference surface of the power receiving portion and includes a drive transmission device and an electric driver.
The drive transmission device includes a transmission shaft connected to the power shaft of the power receiving unit, and the electric screwdriver includes a drive shaft connected to the transmission shaft.
The drive transmission device is attached to the reference surface of the power receiving unit, is arranged on the side opposite to the transmission shaft with respect to the indirect live wire rod, and the transmission shaft is connected to the power shaft. The drive device is provided with a band portion for tightening and fixing the power source to the indirect live wire rod.