CN223898617U - On-spot quick cable junction structure - Google Patents
On-spot quick cable junction structureInfo
- Publication number
- CN223898617U CN223898617U CN202520163556.6U CN202520163556U CN223898617U CN 223898617 U CN223898617 U CN 223898617U CN 202520163556 U CN202520163556 U CN 202520163556U CN 223898617 U CN223898617 U CN 223898617U
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- hole
- holes
- connecting plate
- copper busbar
- copper bar
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Abstract
本实用新型公开了一种现场快速电缆连接结构，涉及电力系统技术领域，电缆连接结构作为电柜中的电缆连接件，电缆连接结构包括上铜排、中铜排与下铜排，上铜排顶端开设有第一顶连接孔，第一顶连接孔设有三个呈水平设置，上铜排中间开设有第一中连接孔，第一中连接孔设有三个呈水平设置，第一中连接孔底端设有四个上安装孔，上安装孔中间两侧设有上检测孔，上铜排底端设有上连接板，上连接板与上铜排底端固定连接，上连接板斜置45°，上连接板开设有第一底连接孔，第一底连接孔顶端与底端设有上连接螺栓沉头孔。
This utility model discloses a field-based rapid cable connection structure, relating to the field of power system technology. The cable connection structure serves as a cable connector in an electrical cabinet. The cable connection structure includes an upper copper busbar, a middle copper busbar, and a lower copper busbar. The top of the upper copper busbar has a first top connection hole with three horizontally arranged holes. The middle of the upper copper busbar has a first middle connection hole with three horizontally arranged holes. The bottom of the first middle connection hole has four upper mounting holes, with upper detection holes on both sides of the middle of the upper mounting holes. The bottom of the upper copper busbar has an upper connecting plate, which is fixedly connected to the bottom of the upper copper busbar. The upper connecting plate is inclined at 45° and has a first bottom connection hole with countersunk holes for upper connecting bolts at the top and bottom.
Description
Technical Field
The utility model relates to the technical field of power systems, in particular to a field quick cable connection structure.
Background
The current domestic load and foreign exchange/direct current high-current (1000A and above) load connection mode is basically divided into a long-term fixing mode, namely a welding or crimping mode is generally adopted, connection is carried out through bolts/nuts, and the other connection mode which needs to be frequently broken is generally adopted, namely a quick plug-in connection mode or a copper bar and copper nose connection mode with mounting holes is adopted.
The quick plug-in component has poor contact, because the quick plug seat needs to be forcibly inserted inwards when being connected, the plug needs to be forcibly rotated rightwards after being inserted to the bottom, the cable needs to be pulled outwards to determine that the plug and the socket are in a locking state until the plug and the socket are in a locking position by feeling, if the strength is small and the locking state is not detected, the phenomenon that the cable is reversely twisted and rebounded when the plug part is inserted is generated, the cable plug is easy to loosen or fall off integrally, the cable plug needs to be reinserted at the moment, and the connection at the back of the cable plug is confirmed to be normal again, so that the loosening phenomenon is easy to generate when the ground cable is tidied, and the time is long when a plurality of cables need to be laid on site.
Disclosure of Invention
The utility model aims to provide a field quick cable connection structure so as to solve the problems in the prior art.
The on-site quick cable connection structure comprises an upper copper bar, a middle copper bar and a lower copper bar, wherein a first top connection hole is formed in the top end of the upper copper bar, three first middle connection holes are formed in the middle of the upper copper bar and are horizontally arranged, four upper mounting holes are formed in the bottom end of each first middle connection hole, upper detection holes are formed in two sides in the middle of each upper mounting hole, an upper connection plate is arranged at the bottom end of each upper copper bar and fixedly connected with the bottom end of each upper copper bar, the upper connection plates are obliquely arranged at 45 degrees, first bottom connection holes are formed in the upper connection plates, and upper connection bolt countersunk holes are formed in the top ends and the bottom ends of the first bottom connection holes.
The upper copper bar, the middle copper bar and the lower copper bar are mutually connected and are installed in a trapezoid manner, the upper copper bar is the top end, the lower copper bar is the bottom end, then the first top connecting hole at the top end of the upper copper bar is used for being connected with a copper nose bolt and is horizontally arranged, the height of the upper end of the hole is slightly larger than that of the contact surface horizontal line of the tail end of a national standard copper nose, the first middle connecting hole is used for being matched with the middle copper bar and is horizontally arranged, the upper mounting hole is used for being connected with an insulator bolt, the first top connecting hole is consistent with the first middle connecting hole in number, the upper connecting plate is used as an upper copper bar extending end, the bottom end of the upper copper bar is provided with a first bottom connecting hole, the first bottom connecting hole is used for being connected with the copper nose bolt and is horizontally arranged, the first top connecting hole and the first bottom connecting hole are horizontally arranged, the upper mounting hole is four, the upper mounting hole is divided into an upper group and a lower group, an upper detecting hole is arranged between the two groups, the upper detecting hole is provided with two counter sunk holes, and the upper connecting bolt is provided with four upper connecting bolt holes and the lower bolt holes are respectively used for being connected with two groups.
Further, the second top connecting hole has been seted up on well copper bar top, the second top connecting hole is equipped with three and is the level setting, the second well connecting hole has been seted up in the middle of the well copper bar, the second well connecting hole is equipped with three and is the level setting, the connecting hole bottom is equipped with four first well mounting holes in the second, both sides are equipped with in the middle of the first well mounting hole, the first well mounting hole bottom is equipped with the second and well mounting hole, well copper bar bottom is equipped with well connecting plate, well connecting plate and well copper bar bottom fixed connection, well connecting plate put 45 to one side, well connecting plate is equipped with the connecting hole at the bottom of the second, connecting hole top is equipped with well connecting bolt countersink with the bottom in the second.
The second top connecting hole is used for being connected with a copper nose bolt, the height of the upper end of the hole is slightly larger than the contact surface horizontal line of the tail end of a national standard copper nose, the second middle connecting hole is also used for being connected with the copper nose bolt, the first middle mounting holes are divided into an upper group and a lower group, two groups are arranged between the two groups, the middle detecting holes are arranged between the two groups, the first middle mounting holes are used for being connected with an insulator through bolts, the second middle mounting holes are provided with two holes, the action and the aperture are identical to the first middle mounting holes, the middle connecting plate is fixedly connected with the bottom end of the middle copper bar, the second bottom connecting hole is used for being connected with the copper nose through bolts, and the middle connecting bolt countersunk head Kong Tongshang is connected with a bolt countersunk hole through bolts.
Further, third top connecting hole has been seted up on lower copper bar top, third top connecting hole is equipped with three and is the level setting, third top connecting hole bottom is equipped with four first end mounting holes, both sides are equipped with down the detection hole in the middle of the first end mounting hole, first end mounting hole bottom is equipped with the second end mounting hole, lower copper bar bottom is equipped with down the connecting plate, lower connecting plate and lower copper bar bottom fixed connection, well connecting plate put 45 to one side, lower connecting plate is equipped with the third end connecting hole, third end connecting hole top is equipped with end connecting bolt countersink with the bottom.
The third top connecting hole is provided with three horizontally arranged contact surface horizontal lines which are used for being connected with a copper nose through bolts, the upper end of a lower copper bar is higher than the upper contact surface horizontal lines of the copper nose, the first bottom connecting hole is provided with four groups which are divided into two groups, the top end of an upper row of insulators is lower than the lower end of the copper nose by 10mm, the first bottom connecting hole is used for being connected with insulators through bolts, the bottom end of the first bottom connecting hole is also provided with a second bottom connecting hole, the second bottom connecting hole is provided with four groups which are divided into an upper group and a lower group, the aperture of the second bottom connecting hole is identical to the aperture of the first bottom connecting hole, the lower connecting plate is fixedly connected with the bottom end of the lower copper bar, the third bottom connecting hole is provided with the first connecting hole, and the bottom connecting bolt countersunk hole is identical to the top connecting bolt countersunk hole.
Further, the upper connecting plate, the middle connecting plate and the bottom end of the lower connecting plate are connected with the fixing plate through bolts.
The upper connecting plate is 90mm, the middle connecting plate is 105mm, the lower connecting plate is 120mm, the upper connecting plate, the middle connecting plate and the tail end of the lower connecting plate are arranged on the same surface, the upper connecting plate, the middle connecting plate and the tail end of the lower connecting plate are arranged at equal intervals, the copper noses on the upper part of the lower copper bar are directly connected with the copper noses on the rear part of the upper copper bar to be mutually interfered, the copper bar fixing plate 7 is additionally required to be arranged to facilitate wiring, the fixing plate is composed of the connecting plate, the connecting bolt and the anti-falling cover plate, as shown in fig. 6, after the fixing plate is connected, the connecting bolt can be fixed at the first bottom connecting hole in the upper connecting plate, the middle connecting plate and the lower connecting plate are the same, at the moment, the copper noses are directly connected with the connecting bolt by workers, the nuts are screwed down, the bolts cannot fall off at the moment, the bolts can not rotate simultaneously with the nuts, and are matched with an electric spanner or a manual ratchet spanner for use, the purpose of fast wiring can be achieved, and then the upper connecting plate, the middle connecting plate and the lower connecting plate are respectively 45-degree inclined.
Further, an insulator is arranged on one side of the lower copper bar.
The copper bar is connected with an insulator with a rear supporting frame, except for an insulating effect, the weight of the copper bar is borne, the weight of a connected load cable and the dragging force generated when the cable is distributed are borne, one side of the lower copper bar is provided with the insulator, the insulator is provided with four, a first insulator connecting end is connected with a first group of upper mounting holes, a first group of middle mounting holes and a first group of first bottom mounting holes, a second insulator connecting end is connected with a second group of upper mounting holes, a second group of middle mounting holes and a second group of first bottom mounting holes, a third insulator connecting end is connected with a second group of middle mounting holes, a second group of second bottom mounting holes, a fourth insulator connecting end is connected with a second group of second bottom mounting holes, a first middle connecting hole, a first bottom connecting hole, a second top connecting hole, a second middle connecting hole, a third top connecting hole and a third bottom connecting hole are 13mm, then the upper mounting holes, the first middle mounting holes, the second middle mounting holes, the first middle mounting holes and the second middle mounting holes are all 7mm, and the detection bolts are all 7mm in the bottom holes and the detection holes are all 7mm.
Further, the upper copper bar length was 441mm, the middle copper bar length was 601mm, and the lower copper bar length was 561mm.
The upper copper bar, the middle copper bar and the lower copper bar are connected, an upper mounting hole of the upper copper bar is aligned with a first mounting hole of the middle copper bar, then a second middle mounting hole of the middle copper bar is aligned with a first bottom mounting hole, and after the upper copper bar and the middle copper bar are mutually mounted, the top end face of the upper copper bar and the top end face of the middle copper bar are in the same horizontal plane.
Compared with the prior art, the utility model has the beneficial effects that:
1. When the copper bar is connected with the copper nose through the bolts, the connection reliability can be fully ensured as long as the bolts and the nuts are well fastened.
2. When a large current load passes through, under the condition that a plurality of load cables are needed to be used for each phase of copper bars, a multi-layer copper bar superposition connection mode is adopted to meet current requirements, and after each layer of copper bars are bent and separated, the plurality of load cables can be tapped.
3. The copper bar and the nose are conveniently connected by adopting the following two modes, namely, 1, the lower end of the segmented copper bar is folded upwards for 45 degrees on a connecting surface, 2, a bolt and nut fixing plate is arranged at the lower part of a wiring hole of the copper bar copper nose, so that the copper nose end of a cable can be conveniently connected with the copper bar by one hand, a nut is connected with the bolt by the other hand, and then the nut is locked by an electric spanner.
4. The utility model is arranged on the bolt at the lower part of the output copper bar, so that the output copper bar can be fixed without hands or by means of tools when in use, and is not rotated with a copper nose lock nut, a steel plate can be additionally arranged at the rear part of the copper bar, an inner six holes slightly larger than the nuts are cut at the bolt cap part on the plate, a plate for preventing the bolt from being dragged down is welded at the rear part, a tapping fixing hole is further formed on the plate and is connected and fixed with the copper bar, a connecting hole is formed at the connecting part of the copper bar and the copper nose, meanwhile, 4 countersunk holes connected with the bolt fixing plate are formed on the copper bar, and the hole positions of the countersunk holes are required to avoid the connecting surface of the copper nose so as not to influence the current-carrying capacity, thereby fully meeting the requirement of large current-carrying capacity, improving the reliability and facilitating the connection of cables.
5. The connecting bolt is a common wearing part, and needs to be replaced frequently, and when the bolt is replaced, only 4 bolts are required to be detached from the copper bar to fix the cover plate screw, and a new bolt is required to be replaced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the upper connecting plate of the present utility model;
FIG. 3 is a schematic view of the structure of the upper copper bar of the present utility model;
FIG. 4 is a schematic view of a copper bar according to the present utility model;
FIG. 5 is a schematic view of the structure of the lower copper bar of the present utility model;
fig. 6 is a schematic structural view of the fixing plate of the present utility model.
In the drawing, 1, an upper copper bar, 11, a first top connecting hole, 12, a first middle connecting hole, 13, an upper mounting hole, 14, an upper detection hole, 2, an upper connecting plate, 21, a first bottom connecting hole, 22, an upper connecting bolt countersunk hole, 3, a middle copper bar, 31, a second top connecting hole, 32, a second middle connecting hole, 33, a first middle mounting hole, 34, a middle detection hole, 35, a second middle mounting hole, 4, a middle connecting plate, 41, a second bottom connecting hole, 42, a middle connecting bolt countersunk hole, 5, a lower copper bar, 51, a third top connecting hole, 52, a first bottom mounting hole, 53, a lower detection hole, 54, a second bottom mounting hole, 6, a lower connecting plate, 61, a third bottom connecting hole, 62, a bottom connecting bolt countersunk hole, 7 and a fixing plate.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The technical scheme of the on-site rapid cable connection structure is as shown in fig. 1-6, the on-site rapid cable connection structure is provided by the utility model, the cable connection structure is used as a cable connection piece in an electric cabinet, the cable connection structure comprises an upper copper bar 1, a middle copper bar 3 and a lower copper bar 5, a first top connection hole 11 is formed in the top end of the upper copper bar 1, three horizontal connection holes 11 are formed in the first top connection hole 11, a first middle connection hole 12 is formed in the middle of the upper copper bar 1, three horizontal connection holes 12 are formed in the first middle connection hole 12, four upper mounting holes 13 are formed in the bottom end of the first middle connection hole 12, upper detection holes 14 are formed in two sides in the middle of the upper mounting holes 13, an upper connection plate 2 is arranged at the bottom end of the upper connection plate 1 and fixedly connected with the bottom end of the upper copper bar 1, the upper connection plate 2 is obliquely arranged by 45 degrees, a first bottom connection hole 21 is formed in the upper connection plate 2, and an upper connection bolt countersunk hole 22 is formed in the top and bottom ends of the first bottom connection hole 21.
Specifically, it goes up copper bar 1, well copper bar 3 and lower copper bar 5 interconnect, be trapezoidal installation in parallel each other, it goes up copper bar 1 and is the top, lower copper bar 5 is the bottom, then go up the first top connecting hole 11 on copper bar 1 top be used for with copper nose bolted connection, and be equipped with three and be the level setting, hole upper end height slightly is greater than national standard copper nose tail end contact surface horizontal line, first well connecting hole 12 is used for cooperating with well copper bar 3, and be equipped with three and be the level setting, go up mounting hole 13 and be used for with insulator bolted connection, its first top connecting hole 11 is unanimous with first well connecting hole 12 quantity, go up connecting plate 2 and be as last copper bar 1 extension end, go up connecting plate 2 surface and seted up first end connecting hole 21, first end connecting hole 21 is used for with copper nose bolted connection, and be equipped with three and be the level setting, first top connecting hole 11 and first end connecting hole 21 all are equipped with three, go up mounting hole 13 and be equipped with four, divide into two, two sets of two, be equipped with two between two and detect the hole 14 and be equipped with two and be equipped with four and be used for the fixed connection bolt hole 7 respectively.
As shown in fig. 1, 2 and 4, the top end of the middle copper bar 3 is provided with a second top connecting hole 31, the second top connecting hole 31 is provided with three horizontally arranged second middle connecting holes 32, the second middle connecting holes 32 are provided with three horizontally arranged second middle connecting holes 32, the bottom ends of the second middle connecting holes 32 are provided with four first middle mounting holes 33, two middle sides of the first middle mounting holes 33 are provided with middle detecting holes 34, the bottom ends of the first middle mounting holes 33 are provided with second middle mounting holes 35, the bottom ends of the middle copper bars 3 are provided with middle connecting plates 4, the middle connecting plates 4 are fixedly connected with the bottom ends of the middle copper bars 3, the middle connecting plates 4 are obliquely arranged for 45 degrees, the middle connecting plates 4 are provided with second bottom connecting holes 41, and the top ends and the bottom ends of the second bottom connecting holes 41 are provided with middle connecting bolt countersunk holes 42.
Specifically, the second top connecting hole 31 is used for being in bolted connection with a copper nose, the height of the upper end of the hole is slightly larger than the horizontal line of the tail end contact surface of the national standard copper nose, the second middle connecting hole 32 is also used for being in bolted connection with the copper nose, the first middle mounting holes 33 are divided into an upper group and a lower group, two groups are arranged, the middle detecting holes 34 are arranged between the two groups, the first middle mounting holes 33 are used for being in bolted connection with insulators, the second middle mounting holes 35 are provided with two, the action and the aperture are the same as those of the first middle mounting holes 33, the middle connecting plate 4 is fixedly connected with the bottom end of the middle copper bar 3, the second bottom connecting hole 41 is used for being in bolted connection with the copper nose, and the middle connecting bolt countersunk holes 42 are the same as the upper connecting bolt countersunk holes 22.
As shown in fig. 1, 2 and 5, a third top connecting hole 51 is formed in the top end of the lower copper bar 5, three third top connecting holes 51 are horizontally arranged, four first bottom mounting holes 52 are formed in the bottom end of the third top connecting hole 51, lower detection holes 53 are formed in two sides in the middle of the first bottom mounting holes 52, second bottom mounting holes 54 are formed in the bottom end of the first bottom mounting holes 52, a lower connecting plate 6 is arranged at the bottom end of the lower copper bar 5, the lower connecting plate 6 is fixedly connected with the bottom end of the lower copper bar 5, the connecting plate 4 is obliquely arranged at 45 degrees, a third bottom connecting hole 61 is formed in the lower connecting plate 6, and bottom connecting bolt countersinks 62 are formed in the top end and the bottom end of the third bottom connecting hole 61.
Specifically, the third top connecting hole 51 is provided with three horizontally arranged contact surface horizontal lines which are used for being connected with a copper nose through bolts, the upper end of the lower copper bar 5 is higher than the upper contact surface horizontal line of the copper nose, the first bottom mounting holes 52 are provided with four groups which are divided into two groups, the top end of the upper row of insulators is lower than the lower end of the copper nose by 10mm, the first bottom mounting holes 52 are used for being connected with insulators through bolts, the bottom end of the first bottom mounting holes 52 is also provided with second bottom mounting holes 54, the second bottom mounting holes 54 are provided with four groups which are divided into upper groups and lower groups, the aperture of the second bottom mounting holes 54 is equal to that of the first bottom mounting holes 52, the lower connecting plate 6 is fixedly connected with the bottom end of the lower copper bar 5, the surface of the lower connecting plate 6 is provided with third bottom connecting holes 61, the third bottom connecting holes 61 are equal to the first connecting holes, and the bottom connecting bolt countersunk holes 62 are equal to the top connecting bolt countersunk holes.
As shown in fig. 2, the upper connecting plate 2, the middle connecting plate 4 and the bottom end of the lower connecting plate 6 are connected with a fixed plate 7 through bolts.
Specifically, the length of the upper connecting plate 2 is 90mm, the length of the middle connecting plate 4 is 105mm, the length of the lower connecting plate 6 is 120mm, when the upper copper bar 1, the middle copper bar 3 and the lower copper bar 5 are connected, the tail ends of the upper connecting plate 2, the middle connecting plate 4 and the lower connecting plate 6 are positioned on the same surface, the upper copper nose of the lower copper bar 5 and the rear copper nose of the upper copper bar 1 are arranged at equal intervals, the copper bar fixing plates 7 are fixedly arranged to facilitate wiring, the fixing plates 7 consist of connecting plates, connecting bolts and anti-falling cover plates, as shown in fig. 6, after the fixing plates 7 are connected, the connecting bolts are fixed at the first bottom connecting holes 21 in the upper connecting plate 2, the middle connecting plate 4 and the lower connecting plate 6, at the moment, workers directly connect the copper noses with the connecting bolts, screw nuts at the moment, the bolts cannot fall off, the bolts cannot rotate simultaneously with the nuts, the electric spanner or the manual ratchet spanner is matched, the purpose of rapid wiring can be achieved, and then the upper connecting plates 2, the middle connecting plate 4 and the lower connecting plate 6 are respectively 45-degree inclined, and the purpose of wiring is achieved.
As shown in fig. 2, an insulator is provided on one side of the lower copper bar 5.
Specifically, the copper bar and the rear supporting frame are connected with insulators, except insulation, the weight of the copper bar, the weight of a connected load cable and the dragging force generated when the cable is laid are borne, one side of the lower copper bar 5 is provided with insulators, the insulators are four, the first insulator connecting end is connected with the first group of the upper mounting holes 13, the first group of the first middle mounting holes 33 and the first group of the first bottom mounting holes 52, the second insulator connecting end is connected with the second group of the upper mounting holes 13, the second group of the first middle mounting holes 33 and the second group of the first bottom mounting holes 52, the third insulator connecting end is connected with the first group of the second middle mounting holes 35 and the first group of the second bottom mounting holes 54, the fourth insulator attachment end is attached to the second set of second bottom mounting holes 54, then the apertures of the first top attachment hole 11, the first middle attachment hole 12, the first bottom attachment hole 21, the second top attachment hole 31, the second middle attachment hole 32, the second bottom attachment hole 41, the third top attachment hole 51 and the third bottom attachment hole 61 are all 13mm, then the apertures of the upper mounting hole 13, the first middle mounting hole 33, the second middle mounting hole 34, the first bottom mounting hole 52 are all 10mm, the aperture of the second bottom mounting hole 54 is 9mm, the apertures of the upper detection hole 14, the middle detection hole 34 and the lower detection hole 53 are all 7mm, and the apertures of the upper connecting bolt countersunk hole 22, the middle connecting bolt countersunk hole 42 and the bottom connecting bolt countersunk hole 62 are all 7mm.
As shown in fig. 1 and 2, the length of the upper copper bar 1 is 441mm, the length of the middle copper bar 3 is 601mm, and the length of the lower copper bar 5 is 561mm.
Specifically, the upper copper bar 1 and the middle copper bar 3 are connected with the lower copper bar 5, the upper mounting hole 13 of the upper copper bar 1 is aligned with the first mounting hole of the middle copper bar 3, then the second middle mounting hole 35 of the middle copper bar 3 is aligned with the first bottom mounting hole 52, and after mutual installation, the top end surface of the upper copper bar 1 and the top end surface of the middle copper bar 3 are in the same horizontal plane.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520163556.6U CN223898617U (en) | 2025-01-24 | 2025-01-24 | On-spot quick cable junction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520163556.6U CN223898617U (en) | 2025-01-24 | 2025-01-24 | On-spot quick cable junction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223898617U true CN223898617U (en) | 2026-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520163556.6U Active CN223898617U (en) | 2025-01-24 | 2025-01-24 | On-spot quick cable junction structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN223898617U (en) |
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2025
- 2025-01-24 CN CN202520163556.6U patent/CN223898617U/en active Active
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