CN104057000B - Bus twists and warps frock - Google Patents

Abstract

The invention provides a busbar twisting tool, which includes a bracket, and the bracket is fixed with front and rear ferrules, front ferrules and/or rear ferrules, which are coaxially arranged at intervals along the front and rear directions and whose axes all extend along the front and rear directions. It can be detachably assembled with the bracket, and the inner holes of the two ferrules are coaxially rotated with a cylindrical twisted main body for clamping the busbar and twisting the busbar during the rotation process. The outer peripheral surface of the twisted main body is equipped with a The positioning card slot of the busbar, the positioning card slot extends along the front and rear directions to the front and rear end faces of the twisted main body, and the two notches are in an open structure. A drive rod for driving the rotation of the twisted body is provided, and the drive rod is located between the two ferrules and cooperates with the two ferrules to stop and limit in the front and rear directions. When the above-mentioned busbar bending tool is used to twist the busbar, the busbar will rotate stably during the twisting process without shaking or dislocation.

Description

Busbar twisting tooling

technical field

The invention relates to a bus bar twisting tool.

Background technique

When carrying out busbar connection in electrical equipment, since the two connection surfaces at both ends of a busbar are often not in the same plane, in order to ensure a stable connection and make the connection parts fully contact to increase the flow rate of the busbar and reduce the resistance of the connection surface, it is necessary to place the busbar Twist bending at a certain angle to form a twist bend, which facilitates the conductive connection of the busbar.

A Chinese utility model patent with the authorized notification number CN202059126U discloses a busbar twister for twisting the busbar. The busbar twister includes a twisting body for clamping the busbar to drive the busbar to twist. The twisting body It consists of two clamping blocks that are fastened and assembled by fastening bolts. One of the clamping blocks has handles extending from both sides. When in use, one end of the busbar to be twisted is fixed on the bench vise, and the other end is placed on the two clamps. Between the clamping blocks, fasten the two clamping blocks with fastening bolts to clamp the bus bar, hold the handles on both sides, turn the handle and bend the bus bar to a set angle, loosen the two clamping blocks, and remove the bus bar.

However, the above-mentioned busbar twister is suspended during the twisting process, and workers need to hold the busbar twister. On the one hand, the labor intensity of the workers is relatively high, and on the other hand, the busbar twister lacks support during the process of twisting the busbar. Positioning, the busbar is prone to shaking or misalignment during the bending process, which will affect the bending accuracy of the busbar.

Contents of the invention

The invention provides a busbar twisting tool to solve the technical problem that the busbar twister in the prior art lacks support and positioning during the busbar twisting process, which causes the busbar to shake or dislocate during the twisting process.

The technical scheme of the busbar twisting and bending tool provided by the present invention is: the busbar twisting tooling includes a bracket, and the front and rear ferrules are fixed on the bracket at intervals along the front and rear directions. The two ferrules are coaxially arranged and the axes are along the front and rear The direction extends, the front ferrule and/or the rear ferrule and the bracket can be disassembled and assembled, and the inner holes of the two ferrules are coaxially rotated to assemble a cylindrical twisted main body for clamping the busbar and twisting the busbar during the rotation process. The outer peripheral surface of the twisted main body is provided with a positioning card slot for holding the bus bar. The positioning card slot extends along the front and rear directions to the two notches on the front and rear end faces of the twisted main body. There is a notch for corresponding to the positioning slot of the twisted main body for the busbar to enter and exit the positioning slot. A driving rod for driving the rotation of the twisted main body is protruded on the outer peripheral surface of the twisted main body. The driving rod is located on the two sides. Between the ferrules and in the front-rear direction, the two ferrules are in position-limited fit.

The front ferrule and the rear ferrule are detachably assembled by fastening bolts and brackets, and the bottoms of the two ferrules are integrally provided with fixed connection seats, and the fixed connection seats and the brackets of the two ferrules are respectively provided with fittings. Bolt mounting holes for fastening bolts described above.

The bolt installation holes on the bracket for passing the fastening bolts are long adjustment holes extending along the front and rear directions for adjusting the installation positions of the two ferrules.

The groove depth of the positioning slot extends along the radial direction of the twisted main body, and the depth of the positioning slot is larger than the radius of the twisted main body.

The bracket is a base plate extending in the front-to-back direction, and the base plate is also fixed in front of the front ferrule with a busbar holder for use with the twisted main body, and the busbar holder is provided with a card for clamping the busbar. mouth.

The bus bar holder is movably assembled on the base plate along the front and back directions, and a fixing structure is arranged between the bus bar card base and the base plate to fix the bus bar card base after it is moved and adjusted in place.

The bottom plate is provided with a long guide hole extending in the front and rear direction, the busbar holder is I-shaped, the bottom of the busbar holder has a plug that is movable and plugged with the guide slot, and the plug extends downward out of the guide The lower end of the elongated hole is fixedly equipped with an anti-off baffle that cooperates with the bottom plate to prevent the busbar holder from falling out of the guiding elongated hole upwards. edge, and the fixing structure is the positioning bolts mounted on the two side flanges of the bus bar holder.

The beneficial effect of the present invention is that: when the bus bar twisting tool provided by the present invention is in use, the twisting main body can be coaxially inserted in the ferrule fixed on the bracket along the front and rear directions, and then can be connected with the bracket. The disassembled ferrules are fixedly installed on the bracket. The two ferrules form a balanced support for the twisted body in the front and rear direction. The twisted body is positioned by the two ferrules in the radial direction during the rotation process. On the top, the drive rod and two ferrules are used to limit the position, which can effectively ensure that the twisted body rotates around its own axis, and the twisted body rotates smoothly. When it is necessary to twist with the busbar, the twisting main body is driven to rotate through the drive rod, the positioning slot of the torsion main body corresponds to the gap on the two ferrules, and the busbar to be twisted is put into the positioning slot through the gap of the ferrule, and then Drive the twisting main body to rotate through the driving rod, and twist the bus bar by the twisting main body. After the twisting is in place, drive the twisting main body to rotate to the corresponding position between the positioning slot and the gap of the two ferrules, and then take out the bus bar. When using the above-mentioned busbar twisting tool to twist the busbar, because the twisting main body is effectively guaranteed to rotate around its own axis, the busbar will rotate stably during the twisting process without shaking or misalignment, which can effectively improve the bending efficiency.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the bus bar twisting tool provided by the present invention;

Fig. 2 is a perspective view of the bus bar twisting tool shown in Fig. 1;

Fig. 3 is the structural representation of base plate in Fig. 1;

Fig. 4 is a schematic structural view of the bus bar holder in Fig. 1;

Fig. 5 is a schematic structural view of the front ferrule in Fig. 1;

FIG. 6 is a schematic structural view of the twisted main body in FIG. 1 .

detailed description

As shown in Figures 1 to 6, an embodiment of a bus bar twisting tool, the twisting tool in this embodiment includes a bracket, the bracket is a bottom plate 3 extending in the longitudinal direction along the front and rear directions, and the middle part of the bottom plate 3 is provided with a The guide long hole 2 extending in the direction, the guide long hole 2 guides and moves along the front and rear direction and is equipped with a busbar holder 30, the busbar holder 30 is I-shaped, and the upper part of the I-shaped busbar holder 30 is provided with a slot for installing the busbar. The lower part of the bayonet socket 4 is provided with two side flanges 20 arranged in the left and right directions, and the bottom of the bus bar holder 30 is provided with a plug 6 which is movable and plugged with the guide long hole 2, and the plug 6 extends downward out of the guide long hole. The lower end is fixedly equipped with an anti-off baffle 7 by a fixing bolt 8, and the anti-off baffle 7 and the lower end surface of the base plate 3 stop and cooperate to prevent the bus bar holder 30 from protruding upward from the guide slot 2, and the two side flanges 20 of the bus bar holder 30 The top pressure support is arranged on the bottom plate 3, and the flanges 20 on both sides are respectively provided with positioning bolts 5. The positioning bolts 5 are fixed structures that fix the bus bar holder 30 after it is moved and adjusted in place along the guide slot.

On the bottom plate 3, behind the bus bar holder 30, there are fixedly provided front and rear ferrules 91 and rear ferrules 92 at intervals along the front and rear directions. The front and rear ferrules are coaxially arranged and the axes extend along the front and rear directions. The rear ferrule 92 is detachably assembled with the base plate 3 by fastening bolts. The structure of the front and rear ferrules is the same. Only the front ferrule 91 is introduced here. The front ferrule 91 has an inner cylindrical surface. A notch 11 is provided on the sleeve wall so that the entire ferrule forms a C-shaped structure. A fixed connection seat 10 is integrally provided at the bottom of the front ferrule 91. The fixed connection seat 10 is provided with fastening bolts for wearing the front ferrule The bolt mounting holes fixedly assembled on the base plate 3 are provided with bolt mounting holes corresponding to the bolt mounting holes on the fixed connection seat 10 on the base plate 3, and the bolt mounting holes on the base plate 3 are adjusted along the front and rear directions. The elongated hole 1 can adjust the positions of the two ferrules when the front and rear ferrules are correspondingly fixed in the adjustment elongated hole 1. During installation, the front ferrule 91 can be fixedly installed on the base plate 3 first, then the front part of the cylindrical twisted main body 40 is coaxially inserted into the inner hole of the front ferrule 91 along the front and rear direction, and then the rear ferrule 92 is fixedly installed on the base plate 3 correspondingly, and the rear portion of the twisted main body 40 is coaxially inserted into the inner hole of the rear ferrule 92, and the twisted main body 40 is coaxially rotated with the inner holes of the two ferrules. A driving rod 13 for driving the twisting and bending body to rotate protrudes from the outer peripheral surface of the twisting and bending body 40 . The driving rod 13 is located between the two ferrules and cooperates with the two ferrules to stop and limit in the front-rear direction. The outer peripheral surface of the twisted main body 40 is provided with a positioning slot 12 for clamping the bus bar. The groove depth direction of the positioning slot 12 extends radially along the twisted main body 40, and the slot depth of the positioning slot 12 is greater than that of the twisted body. The radius of the bent main body 40, the two slots of the positioning slot 12 extending to the front and rear end faces of the twisted main body 40 along the front and rear direction are opening structures, and the twisted main body 40 is rotated by rotating the driving rod 13, and the twisted main body 40 The positioning slots can be used to correspond to the gaps on the two ferrules to facilitate the entry and exit of the busbar into the positioning slots 12.

When the busbar needs to be twisted, slide the busbar holder 30, adjust the distance between the busbar holder 30 and the twisted main body 40, determine the twisted length of the busbar, and then tighten the positioning bolt 5 to fix the busbar holder 30. The bayonet 4 corresponds to the notch 11 on the two ferrules, and then the main body 40 is turned and twisted through the driving rod 13 to correspond the positioning slot 12 to the notch 11 of the two ferrules, and the busbar is put into the bayonet 4 and the positioning slot 12 According to the twisting direction, turn the driving rod 13 to turn the twisting main body 40 to the set position, twist the busbar, then loosen the positioning bolt 5, move the busbar clamp 30 towards the direction away from the twisting main body 40, and turn the busbar Take it off from the bayonet 4, rotate the driving rod 13 so that the positioning slot 12 corresponds to the notch 11, and then take out the busbar to complete the twisting of the busbar. Here you can twist and set an angle such as 90 degrees as needed.

In the above embodiments, both the front and rear ferrules are detachably assembled on the base plate by fastening bolts. In other embodiments, only the front ferrule or the rear ferrule can be detachably assembled on the base plate, as long as it can be realized from The main body can be inserted and twisted in the front and rear directions.

In the above embodiment, the front ferrule and the rear ferrule are detachably assembled with the bracket through fastening bolts, the assembly is fast and convenient, and the position adjustment is convenient. In other embodiments, the detachable assembly with the bracket can also be realized by other means such as clamping or riveting.

In the above embodiment, the groove depth of the positioning slot is larger than the radius of the twisted main body, so that when the busbar enters the depth of the positioning slot, the center line of the busbar can be close to the central axis of the twisted main body or coincide with the central axis. This reduces additional strain on the busbar during twisting.

In the above-mentioned embodiment, in addition to the twisted main body installed on the bottom plate, the busbar holder is also moved and assembled, and the busbar holder moves, so that the distance between the busbar holder and the twisted main body can be adjusted to meet the requirements of different twisted lengths. In other embodiments, the bus bar holder can also be directly fixed on the bottom plate. It is also possible to omit the busbar holder, and use the bench vise in the prior art to clamp the busbar, and then cooperate with the twisting and bending main body to realize the twisting and bending of the busbar.

Claims (4)

1. The tool for twisting and bending the busbar is characterized in that it includes a bracket, and the bracket is fixed with front and rear ferrules distributed along the front and rear directions at intervals. The two ferrules are coaxially arranged and the axes extend along the front and rear directions. The coaxial rotation in the hole is equipped with a cylindrical twisted main body for clamping the busbar and twisting the busbar during the rotation process. The outer peripheral surface of the twisted main body is provided with a positioning slot for clamping the busbar. The direction extends to the front and rear end faces of the twisted main body. The two notches are in an open structure. The sleeve walls of the two ferrules are provided with corresponding to the positioning slots of the twisted main body for the busbar to enter and exit the positioning slots. Notch, the outer peripheral surface of the twisted main body is protruded with a drive rod for driving the twisted main body to rotate, the drive rod is located between the two ferrules and cooperates with the two ferrules to stop and limit in the front and rear direction, the front clamp The sleeve and the rear ferrule are detachably assembled with the bracket through the fastening bolt. The bottom of the two ferrules is integrally provided with a fixed connection seat, and the fixed connection seat and the bracket of the two ferrule are respectively provided with holes for wearing the fastening bolt Bolt installation holes, the bolt installation holes on the bracket used to wear the fastening bolts are long holes for adjusting the installation positions of the two ferrules extending in the front and rear directions, and the slots of the positioning slots The depth direction extends along the radial direction of the twisted main body, the groove depth of the positioning slot is larger than the radius of the twisted main body, and the two ferrules form a balanced support for the twisted main body in the front and rear directions, and the twisted main body is in the process of rotation The center is positioned by two ferrules in the radial direction, and the position is limited by the drive rod and the two ferrules in the front and rear directions, which can effectively ensure that the twisting body rotates around its own axis, and the twisting body rotates smoothly. 2. The bus bar twisting tool according to claim 1, characterized in that: the bracket is a bottom plate extending along the front and rear directions, and the bottom plate is fixed in front of the front ferrule for cooperating with the twisting main body. The used busbar holder is provided with a bayonet for mounting the busbar. 3. The bus bar twisting tool according to claim 2, characterized in that: the bus bar holder is movably assembled on the bottom plate along the front and rear directions, and a bus bar card holder is arranged between the bus bar holder and the bottom plate A fixed structure that fixes the seat after it is moved and adjusted in place. 4. The bus bar twisting tool according to claim 3, characterized in that: the bottom plate is provided with a long guide hole extending along the front and rear directions, the bus bar holder is I-shaped, and the bottom of the bus bar holder has The plug assembled with the guide long hole is movable and plugged. The lower end of the plug extending downward out of the guide long hole is fixedly equipped with an anti-off baffle that cooperates with the bottom plate to prevent the busbar holder from falling out of the guide long hole upwards. The lower part of the busbar holder is provided with two side flanges on the bottom plate for top pressure support, and the fixed structure is a positioning bolt worn on the two side flanges of the busbar holder.