JPH0154833B2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention is mainly concerned with crimping and connecting two electrical wires facing each other via a connecting sleeve, by positioning the ends of the electrical wires at a predetermined relative distance. This invention relates to an electric wire gathering tool for connecting electric wires that is used for crimping and connecting the connection sleeves after being pulled and held.

<Prior art> Conventionally, in order to crimp connect two opposing wires via a connecting sleeve, one worker holds the two wires to be connected, and then removes the covering of the wires and attaches them to each other. The method used was to maintain the position in which the wire portion was inserted into the connection sleeve, and one of the other workers applied pressure to the connection sleeve with a pressure tool to make a crimp connection.

Therefore, conventional manual connection of electric wires of this type usually involves two people working together.
In particular, in cases where the electric wire is already suspended on a utility pole or on the roof of a required building, or where one of the electric wires is suspended, two-person work is essential.

<Problems to be Solved by the Invention> Therefore, in the past, there were problems in that work efficiency was poor and two-person work on utility poles was dangerous.

Therefore, in order to solve these conventional problems, the present invention aims to develop a work tool that allows one person to perform this type of wire connection work efficiently and with relatively little danger. We hereby propose a work tool that has achieved this goal.

<Means for Solving the Problems> That is, the configuration of the present invention for achieving the above object will be explained using FIGS. 1 to 7 corresponding to the embodiments. A rectangular frame is formed by two rods 1 and 2 arranged parallel to each other and two frames 3 and 4 arranged at both ends. It consists of a movable frame 5 positioned and slidably suspended from both rods 1 and 2, and fixed to one of the frames 3 and 4 and the movable frame 5. A pair of cable holders 6, 7 consisting of members 6a, 7a and movable members 6b, 7b are attached, and these movable members 6b, 7
b by the respective exit/exit operation tools 6c, 7c,
The locking members 6a and 7a are moved toward and away from each other, and the two rods 1 and 2 are fitted with the easy tooth members 1a and 1a, respectively.
2a is provided to engage the pinins 9a, 9b and the movable frame 5.
is moved toward the cable holder mounting frame 3 side using the operation handle 10, and
The latch wheel 11a and the latch prevent natural movement in the opposite direction, and the pair of cable holders 6 and 7 are disposed on the same plane, and both members 6a , 6b and 7a, 7b.
are always located on the same axis, and furthermore, an electric wire connection operation space A is formed between one of the cable holders 6 and the other cable holder 7, and in the electric wire connection operation space A part, Crimping jig 21a,
A crimping operation tool 20 consisting of a pair of crimping bodies 21 and 22 having a crimping operation lever 22a and crimping operation levers 21b and 22b is suspended from one of the two rods 1 and 2, The structure is such that wire connection work is performed in this space A.

<Function> Since the present invention has such a structure, as shown in FIG.
c to clamp and hold the covered electric wire K in the cable clamping part a of one of the cable holders 6, and cause the bare electric wire part k to protrude into the electric wire connection operation space A,
Fit the wire connecting sleeve terminal S onto the part k, and then operate the egress/retraction operation tool 7c of the movable frame 5 to clamp the other covered wire K' to be connected to the cable clamping part a. The bare electric wire portion k' is made to protrude toward the space A side, and then,
The operating handle 10 is pulled in the direction of the arrow to move the movable frame 5 in the direction of the space A, and the bare wire portion k' is inserted into the other end of the sleeve terminal S as shown in FIG. be retained as After leaving the two wires K and K′ in this state,
As shown in FIGS. 6 and 7, the crimping operation tool 20
By crimping the crimping operation levers 21b and 22b, the bare electric wire parts k and k' are pressurized from the outside of the sleeve terminal S with the crimping jigs 21a and 22a, deformed, and crimped and connected. .

A series of these operations can be carried out by a single worker both on the ground and on a utility pole.

<Examples> Examples of the present invention will be described in more detail below based on the drawings.

Figures 1 to 7 are views showing the main embodiment of the present invention, which is made of a round bar and has rack teeth 1a and 2a carved on one side thereof. Two rods 1 and 2 are arranged parallel to each other with a required interval apart, and both rods 1 and 2 are held parallel to each other at both ends of the rods 1 and 2, and the rack tooth body 1 is
a, 2a facing each other, a wide frame 3 and a plate-shaped frame 4 are connected to form a rectangular shape, and the rods 1 are located between these two frames 3, 4. ，
2, a wide movable frame 5 is suspended so as to be slidable, and one of the wide frame bodies 3 and 4 is
A pair of cable holders 6, 7 consisting of fixed members 6a, 7a and movable members 6b, 7b are attached to the movable frame 5, and these movable members 6b, 7b are directed toward the fixed members 6a, 7a. As shown in FIG. 3, the operating levers 6c and 7c, which serve as egress/egress operating tools, are moved in and out via links 6d, and the movable frame 5 is provided with two shafts 8.
a, 8b, and as shown in FIG. 1, small-diameter tooth rings 9a, 9b are mounted on the respective shafts, and the respective teeth are brought into occlusion, and also with the easy tooth members 1a, 2a of the rods 1, 2. and an operating handle 10 for rotating these small diameter gear wheels 9a, 9b in a direction to move the movable frame 5 toward the cable holder mounting frame 3 side is mounted on the shaft 8a, As shown in FIG. 2, the spring 10b
A latch wheel 11a is attached to the shaft 8a as a reverse movement prevention body for preventing natural movement of the moving frame 5 in the opposite direction, and a latch wheel 11a is mounted on the shaft 8a. A mating latch 11b is provided on the moving frame 5, and the latch 11b
The operating rod 12 has one end formed in an L-shape and protrudes outward to release the engaging posture with the latch wheel 11a. Further, the pair of cable holders 6 and 7 are disposed on the same plane on the surface sides of the frame 3 and the movable frame 5, and both members 6a and 6b forming these holders 6 and 7 7
The clamping parts a and a of the two electric wires K and K' sandwiched between a and 7b are arranged so that they are always located on the same axis, and furthermore, the cable holder 6 of one of these and the cable of the other It has a structure in which a space A for wire connection operation is formed between the holder 7 and the wire connection operation, that is, for crimping and deforming the wire connection sleeve terminal S. Further, on the side of the operation handle 10, the operation handle 10
A fixed lever 13 is attached to the movable frame 5 to facilitate operation.

Therefore, in the electric wire connection operation space A part,
A crimping operation tool 20 for pressurizing and deforming the wire connecting sleeve terminal S is mounted on the rod 1 on the upper side so as to be slidable relative to the rod 1. As is particularly clear from FIGS. 4 and 7, the crimping operation tool 20 is a series of flat plate-shaped crimping devices whose upper ends are axially mounted on the rod 1 and which are removably attached to the mid-abdominal region. One crimping body 21 has a female jig 21a and a lever 21b for crimping operation at the lower half, and a male crimping body is pivotally connected to the crimping body 21 via a pin 24a at the tip. It consists of a crimping body 22 which has a mold jig 22a and whose lower part is pivotally connected to another crimping operation lever 22b with a pin 24b, and a connecting rod 23 that connects both of these crimping operation levers 21b and 22b. , due to the action of the spring 25, both the crimping jigs 21a and 22a are always in a separated position (the fourth
) and relatively approach by operating both the operating levers 21b and 22b in the relative approaching direction,
It has a structure (FIG. 7) in which the wire connecting sleeve terminal S is compressed and deformed in the axial direction.

Further, as shown in FIG. 1, on the outermost side of the rod 1, hook bodies 14, 14, which are suspended from an overhead wire L already installed on a utility pole, are rotatably attached.

Since the wire collection device of this embodiment has such a structure, when it is used in the air, the hook bodies 14, 14 are suspended from the existing overhead wire L as shown in FIG. As explained in the operation section, first move the egress/retraction lever 6c of the frame 3 from the chain line position to the solid line position in FIG. As shown in FIG. 1, the electric wire portion k is made to protrude into the electric wire connection operation space A, and the copper sleeve terminal S for electric wire connection is fitted onto the portion k, and then the egress/retraction operation lever 7c on the movable frame 5 side is inserted. Similarly,
The other covered electric wire K' to be connected to the cable holding part a is held in a pinched manner, and the bare electric wire part k' is made to protrude toward the space A side, and then the operation handle 10 is moved in the direction shown by the arrow in FIG. The movable frame body 5 is sequentially moved in the direction of the space A by pulling in the direction of the sleeve terminal S, and the bare electric wire portion k' is held in the state inserted into the other end of the sleeve terminal S as shown in FIG.

After keeping the two electric wires K and K' in this state, both operating levers 21b and 22b of the crimping operation tool 20, which is in the open position in Fig. 4, are brought closer to the closed position as shown in Fig. 7. In particular, the male and female crimping jigs 21a and 22a are brought close together to apply pressure on the bare wire portions k and k' from the outside of the sleeve terminal S,
They are deformed and crimped to connect.

A series of these operations is performed by a single worker even when the work is performed on a utility pole.

In this embodiment, the sleeve terminal S for connecting electric wires is shown as a bare copper sleeve with no insulation coating, but in this case, after the above-mentioned wire connection work, the copper sleeve S is covered with insulating tape. Cover it with a roll.

It goes without saying that the wire connecting sleeve terminal S may be a copper sleeve S with an insulating sleeve fitted over the copper sleeve S.

Modifications of the main body portion of the wire holder other than the above-mentioned embodiments include the following.

Only one of the two rods 1 and 2 is provided with easy teeth, and only one small-diameter tooth ring 8 is provided and interlocked.The small ring 8 is used as a rubber ring to friction with the rod. The small wheel 8 is made into sliding contact.The small wheel 8 is made of a steel ring with friction rubber baked onto the outer periphery.The small wheel 8 is rotated by using the operation handle 10 as a rotating handle.The small wheel 8 is made into a worm gear and a rod body. Warm rack teeth are formed and occlusal in the occlusal teeth, and reverse movement is prevented by these occlusal teeth. A switch is provided in place of the operation handle 10,
The small wheel is rotationally driven by an electric motor or an air motor.In addition, as a modification of the crimping operation tool 20, the eighth
As shown in the figure, a pair of crimping bodies 21 and 22 are each formed into a series of flat plates, and the upper end portions of each are mounted on the rod 1 in a combination shape, and male and female crimping jigs 21a and 22a are connected to each other. It is attached to the abdomen in a detachable manner and has a lever 21 for crimping the lower end.
b, 22b and interposed between both members 21, 2.
By moving the levers 21b, 22b of these two members in the approaching direction, the crimping jigs 21a,
It is also possible to have a structure in which it is brought close to 22a.

In each of these embodiments, the crimping operation tool 20 is shown as being pivotally supported on the upper rod 1 in the figure, but it may be attached to either rod 1 or 2. Needless to say.

In addition, the crimping jigs 21a and 22a are used for the crimping body 2
1 and 22, but as in the case of the embodiment, it may be formed as a separate body, and the size of the wire connection sleeve terminal S, which is the body to be pressurized, that is, the wires K and K' to be connected may be determined. It can be conveniently used if jigs of different sizes suitable for the size can be replaced and installed freely.

In addition, in the example, the electric wires to be connected are shown to be one to the left and right, but it may be used when one side has multiple electric wires, such as a branch line, or both can be used to connect multiple electric wires. Needless to say.

Although the embodiments considered to be representative of the present invention have been described above, the present invention is not necessarily limited to the structure of these embodiments. It can be implemented with appropriate modification within the scope of achieving the following effects.

<Effects of the Invention> As is already clear from the above description, the present invention has the following effects:
The two rods and the two frames form a parallelogram-shaped frame, and a movable frame that moves parallel to this is provided to hold a pair of cable holders consisting of a fixed member and a movable member on one side. The fixed frame body and the movable frame body are provided respectively, and the ends of the electric wires to be connected to the pair of cable holders are respectively held between them.
The movable frame is operated and moved to bring the cable holder closer, and the reverse movement prevention body prevents natural reverse movement to maintain the connected position of the wire that has been brought closer, and By operating the crimping operation tool in this state, it is possible to immediately perform the crimping process on electric wires.
Even when connecting wires under conditions in which the wires to be connected cannot maintain a predetermined posture by themselves, the wires are maintained in the predetermined connection posture in this way, and the crimping process is performed in that state. Therefore, the wire connection operation can be easily performed using only one tool according to the present invention without the need for various other tools, and this series of operations can be performed by one person. This can be easily and reliably carried out by one worker alone, and can be expected to have the remarkable effect of being free from the dangers associated with two-person work.

[Brief explanation of drawings]

Figures 1 to 7 show an embodiment of the present invention, with Figure 1 being a partially cutaway overall front view, Figure 2 being a partially cutaway rear view, and Figure 3 being a right side view of the left side frame. FIG. 4 is a cross-sectional view along the - line in FIG. 1, FIGS. 5 and 6 are partially cutaway front views, and FIG. 7 is a sectional view showing the same portion as in FIG. 4 in a crimped state. , FIG. 8 is a sectional view corresponding to FIG. 4 showing another embodiment. In the figure, 1 and 2 are rods, 1a and 2a are rack teeth,
3 and 4 are frame bodies, 5 is a movable frame body, 6 and 7 are cable holders, 6a and 7a are fixed members, 6b and 7b are movable members, 6c and 7c are egress/exit operating tools, 8a is a shaft,
9a is a small wheel, 10 is an operating handle, 11a, 11
b is a reverse movement prevention body, 12 is an operation body, 20 is a crimping operation tool, 21 and 22 are crimping bodies, 21a and 22a are crimping jigs, 21b and 22b are crimping operation levers, A is a space for electric wire connection operation, a is the cable holding part.

Claims (1)

[Scope of Claims] 1. Two rods 1 and 2 arranged parallel to each other with a required interval, and two rods located at both ends of these rods 1 and 2 to hold both rods 1 and 2 in parallel. a movable frame 5 positioned between these frames 3 and 4 and suspended slidably relative to both rods 1 and 2; and both frames 3 and 4. A fixing member 6 attached to one of the frames 3 and the movable frame 5
a, 7a and movable members 6b, 7b, and these movable members 6.
two egress/egress operation tools 6c, 7c for egress/egress operations with b, 7b facing the fixed members 6a, 7a, respectively;
A small wheel 9a is mounted on a shaft 8a attached to the movable frame 5 and comes into contact with at least one of the two rods 1 and 2, and the movable frame 5 is attached to the cable holder. An operation handle 10 that rotates the small wheel 9a in a direction to move it toward the frame body 3 side.
, reverse movement prevention bodies 11a and 11b that prevent natural movement of the movable frame 5 in the opposite direction, and an operating body 1 that releases the blocking posture of the reverse movement prevention bodies 11a and 11b.
2, the pair of cable holders 6, 7
are arranged on the same plane, and the cable holding parts a, a formed between these two members 6a, 6b and 7a, 7b are always located on the same axis, and furthermore, one of these members A space A for wire connection operation is formed between the cable holder 6 and the other cable holder 7, and crimping jigs 21a, 22a and a crimping operation lever 21b are located in the space A for wire connection operation. A pair of crimp bodies 2 having 22b
An electric wire gathering tool for connecting electric wires, in which a crimping operating tool 20 consisting of 1 and 22 is suspended from one of the two rods 1 and 2. 2. The electric wire gathering tool for electric wire connection according to claim 1, wherein the two rods 1 and 2 are round bars having rack teeth 1a and 2a on opposing sides, respectively. 3. The electric wire gathering device for electric wire connection according to claim 1, wherein the small ring 9a is a pinion with interlocking teeth carved on the circumferential surface. 4. The electric wire gathering tool for electric wire connection according to claim 1, wherein the small ring 9a is a friction ring having rubber on the circumferential surface. 5. The electric wire gathering device for connecting electric wires according to claim 1, wherein the operating handle 10 is a lever-like handle. 6. The electric wire gathering device for connecting electric wires according to claim 1, wherein the operation handle 10 is a rotary operation handle. 7. The electric wire gathering tool for electric wire connection according to claim 1, wherein the reverse movement prevention bodies 11a and 11b are latch wheels and latches. 8. The electric wire gathering tool for electric wire connection according to claim 1, wherein the reverse movement prevention bodies 11a and 11b are friction wheels and friction brakes. 9. The electric wire gathering tool for electric wire connection according to claim 1, wherein the crimping operation tool 20 is mounted on one of the rods 1 so as to be able to slide freely. 10. The electric wire gathering tool for connecting electric wires according to claim 1, wherein the crimping operation tool 20 is suspended from the other rod 2 in a hanging manner.