CN217769407U - Bus clamp - Google Patents

Abstract

A bus clamp comprises an upper clamping block and a lower clamping block which are matched in pair, wherein the upper clamping block is provided with three upper grooves with downward openings, the lower clamping block is provided with three lower grooves with upward openings, each upper groove and a corresponding lower groove are matched in opposite directions to form a rectangular through hole, the total number of the rectangular through holes is three, and the three rectangular through holes are arranged in a transverse direction from left to right; a vertical hook structure is arranged between the lower clamping block and the upper clamping block; the vertical hook structure is as follows: one of the upper clamping block and the lower clamping block is provided with a protrusion, the other one of the upper clamping block and the lower clamping block is correspondingly provided with a recess, the protrusion comprises a protrusion root and a protrusion end, the protrusion root is close to the clamping block body, the protrusion end is far away from the clamping block body, the transverse size of the protrusion end is larger than that of the protrusion root, the longitudinal projection shape of the recess is matched with that of the protrusion, and the protrusion is embedded into the recess from the longitudinal direction. The utility model discloses can avoid metal component can produce the problem of vortex and generating line to take place the high frequency vertical vibration and make the bolt not hard up problem gradually, and assemble or dismantle the convenience.

Description

Bus clamp

Technical Field

The utility model belongs to a power equipment kit, concretely relates to be used for the generating line anchor clamps of fixed three-phase copper bar generating line among the power equipment.

Background

The structure of the existing bus clamp for fixing the three-phase copper bar bus is shown in fig. 1 and fig. 2, and comprises an upper clamping block 1 and a lower clamping block 2 which are matched in pair and clamped in opposite directions, wherein the upper clamping block 1 is provided with an upper groove 10 with three openings facing downwards, the lower clamping block 2 is provided with a lower groove 20 with three openings facing upwards, and the three-phase copper bar bus 8 is respectively embedded into the corresponding grooves. In order to fixedly connect the upper clamping block 1 and the lower clamping block 2, a hollow metal supporting column 9 is further arranged between the upper clamping block and the lower clamping block, and a bolt 7 vertically penetrates through the hollow metal supporting column 9 and the upper clamping block and the lower clamping block, so that the upper clamping block 1 and the lower clamping block 2 are vertically locked.

However, the existing bus bar clamp has the following defects: 1. after the copper bar buses 8 are clamped and fixed, metal components (metal support columns and metal bolts) exist between the adjacent copper bar buses 8, and when the copper bar buses work, the metal components can generate eddy currents to cause energy loss; 2. during working, the copper bar bus 8 generates high-frequency vertical vibration under the action of strong current, so that continuous vertical impact force and vibration are generated on the bolt 7, and the bolt 7 is possibly loosened after a long time; 3. when assembling or disassembling, the bolts 7 need to be screwed down or loosened one by one, which is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned shortcoming and providing a bus bar anchor clamps, it can avoid metal component can produce the problem of vortex and generating line high frequency vertical vibration and make the bolt not hard up problem gradually, and assembles or dismantles the convenience.

The purpose can be realized according to the following scheme: a bus clamp comprises an upper clamping block and a lower clamping block which are matched in pair, wherein the upper clamping block is provided with three upper grooves with downward openings, the lower clamping block is provided with three lower grooves with upward openings, each upper groove and a corresponding lower groove are matched in opposite directions to form a rectangular through hole, the total number of the rectangular through holes is three, and the three rectangular through holes are arranged in a transverse direction from left to right; the clamping device is mainly characterized in that a vertical hook structure is arranged between the lower clamping block and the upper clamping block; the vertical hook structure is as follows: one of the upper clamping block and the lower clamping block is provided with a protrusion, the other one of the upper clamping block and the lower clamping block is correspondingly provided with a concave part, the protrusion comprises a protrusion root part and a protrusion end part, the protrusion root part is close to the clamping block body, the protrusion end part is far away from the clamping block body, the transverse size of the protrusion end part is larger than that of the protrusion root part, the longitudinal projection shape of the concave part is matched with that of the protrusion, and the protrusion is longitudinally embedded into the concave part.

And the bottoms of the groove cavities of the upper groove and the lower groove are also provided with rubber elastic insulating gaskets.

The longitudinal projection shape of the bulge is gourd-shaped.

The three rectangular through holes are sequentially called as a left rectangular through hole, a middle rectangular through hole and a right rectangular through hole from left to right, and the transverse distance between every two adjacent rectangular through holes is equal; the number of the vertical hook buckle structures is four groups，The first group of vertical hooking and buckling structures are positioned on the left side of the left rectangular through hole, the second group of vertical hooking and buckling structures are positioned at the centers of the left rectangular through hole and the middle rectangular through hole, the third group of vertical hooking and buckling structures are positioned at the centers of the middle rectangular through hole and the right rectangular through hole, and the fourth group of vertical hooking and buckling structures are positioned on the right side of the right rectangular through hole; the transverse distance between the first group of vertical hooking and buckling structures and the left rectangular through hole is equal to the transverse distance between the fourth group of vertical hooking and buckling structures and the right rectangular through hole; the upper clamping block is provided with two bulges and two recesses, and the transverse positions of the bulges and the recesses are arranged in a staggered manner. In this way, since the protrusions and recesses of the lower clamping block are correspondingly matched with the recesses and protrusions of the upper clamping block, it means that the shapes of both the upper clamping block and the lower clamping block are rotated by 180 degrees to be the same.

The utility model has the advantages of it is following and effect:

1. the utility model discloses after pressing from both sides the fastening with the copper bar generating line, because there is not metal component between the adjacent copper bar generating line, avoided metal component can produce the problem of vortex.

2. The utility model discloses need not rely on vertical bolt fastening, avoided the during operation because the generating line takes place the vertical problem that makes the bolt not hard up gradually of high frequency.

3. The operation of assembling or disassembling is convenient, and the protrusion is only required to be embedded into or separated from the corresponding concave part longitudinally.

4. Because the elasticity of the colloid elastic insulating gasket can vertically urge the upper clamping block and the lower clamping block, and the friction force between the upper clamping block and the lower clamping block and the friction force between the upper clamping block and the bus can keep the upper clamping block and the lower clamping block fastened.

5. The shapes of the upper clamping block and the lower clamping block can be designed to be completely the same so as to share one set of die, and one of the upper clamping block and the lower clamping block can be rotated 180 degrees to be the same during assembly.

Drawings

Fig. 1 is a schematic front view of a conventional bus bar clamp.

Fig. 2 is a perspective view illustrating a use state of a conventional bus bar clamp.

Fig. 3 is a schematic perspective view of an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of the structure shown in fig. 3.

Fig. 5 is an exploded view of the structure shown in fig. 4.

Fig. 6 is a schematic view of the upper clamp block of fig. 5 after being flipped 180 degrees.

Fig. 7 is a perspective view illustrating a use state of the embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view of the structure shown in fig. 7.

Fig. 9 is a schematic diagram of an intermediate state in the using process of the embodiment of the present invention.

Detailed Description

A bus bar clamp shown in fig. 3, 4 and 5 comprises an upper clamping block 1 and a lower clamping block 2 which are matched in pair, wherein the upper clamping block 1 is provided with three upper grooves 10 with downward openings, the lower clamping block 2 is provided with three lower grooves 20 with upward openings, each upper groove 10 and a corresponding lower groove 20 are matched in opposite directions to form a rectangular through hole, and the three rectangular through holes are three rectangular through holes which are arranged in a transverse manner from left to right and are sequentially called a left rectangular through hole 31, a middle rectangular through hole 32 and a right rectangular through hole 33 from left to right; a vertical hook structure is arranged between the lower clamping block 1 and the upper clamping block 2; the vertical hook structure is as follows: one of the upper clamping block 1 and the lower clamping block 2 is provided with a bulge 4, and the other one is correspondingly provided with a concave part 5; the longitudinal projection shape of the protrusion 4 is gourd-shaped, the gourd-shaped protrusion 4 comprises a protrusion root 41 and a protrusion end 42, wherein the protrusion root 41 is close to the clamping block body, and the protrusion end 42 is far away from the clamping block body (the protrusion root 41 of the upper clamping block 1 is close to the upper clamping block body, and the protrusion end 42 of the upper clamping block 1 is far away from the clamping block body), the protrusion root 41 of the lower clamping block 2 is close to the lower clamping block body, and the protrusion end 42 of the lower clamping block 2 is far away from the lower clamping block body), the transverse size of the protrusion end 42 is larger than that of the protrusion root 41, the longitudinal projection shape of the recess 5 is matched with that of the protrusion 4, and the protrusion 4 is longitudinally embedded into the recess 5. And a silica gel insulating gasket 6 is also arranged at the bottom of the cavity of the upper groove 10, and a silica gel insulating gasket 6 is also arranged at the bottom of the cavity of the lower groove 20.

As shown in fig. 3, 4 and 5, the lateral distance between every two adjacent rectangular through holes of the three rectangular through holes is equal, that is, the lateral distance between the left rectangular through hole 31 and the middle rectangular through hole 32 is equal to the lateral distance between the right rectangular through hole 33 and the middle rectangular through hole 32; the number of the vertical hook buckle structures is four groups，The first group of vertical hooking and fastening structures are positioned on the left side of the left rectangular through hole 31, the second group of vertical hooking and fastening structures are positioned at the centers of the left rectangular through hole 31 and the middle rectangular through hole 32, the third group of vertical hooking and fastening structures are positioned at the centers of the middle rectangular through hole 32 and the right rectangular through hole 33, and the fourth group of vertical hooking and fastening structures are positioned on the right side of the right rectangular through hole 33; the transverse distance (shown by the dimension line m in fig. 4) between the first set of vertical hooking structures and the left rectangular through hole 31 is equal to the transverse distance (shown by the dimension line n in fig. 4) between the fourth set of vertical hooking structures and the right rectangular through hole 33; the upper clamping block 1 is provided with two protrusions 4 and two recesses 5, the lateral positions of the protrusions and the recesses are staggered (i.e. when viewed from the lateral position, two protrusions 4 are arranged between two recessesOne recess 5 with one protrusion 4 between two recesses 5). In this way, since the protrusion 4 of the lower clamp block 2 is correspondingly matched with the recess 5 of the upper clamp block 1, and the protrusion 4 of the upper clamp block 1 is correspondingly matched with the recess 5 of the lower clamp block 2, it means that the shapes of both the upper clamp block 1 and the lower clamp block 2 are rotated 180 degrees to be the same, that is, the shape of the upper clamp block 1 after being rotated 180 degrees is the same as the shape of the lower clamp block 2, as shown in fig. 6.

The installation mode of the embodiment is as follows: the longitudinal positions of the upper clamping block 1 and the lower clamping block 2 are staggered firstly, the copper bar bus bar 8 is embedded into the upper groove 10 of the upper clamping block 1 and the lower groove 20 of the lower clamping block 2, as shown in fig. 9, then the upper clamping block 1 and the lower clamping block 2 are relatively moved along the longitudinal direction, the protrusion 4 is embedded into the corresponding concave part 5 from the longitudinal direction, and the state after the installation is finished is as shown in fig. 7 and 8.

Claims (4)

1. A bus clamp comprises an upper clamping block and a lower clamping block which are matched in pair, wherein the upper clamping block is provided with three upper grooves with downward openings, the lower clamping block is provided with three lower grooves with upward openings, each upper groove and a corresponding lower groove are matched in opposite directions to form a rectangular through hole, the total number of the rectangular through holes is three, and the three rectangular through holes are arranged in a transverse direction from left to right; it is characterized in that a vertical hook structure is arranged between the lower clamping block and the upper clamping block; the vertical hook structure is as follows: one of the upper clamping block and the lower clamping block is provided with a protrusion, the other one of the upper clamping block and the lower clamping block is correspondingly provided with a recess, the protrusion comprises a protrusion root and a protrusion end, the protrusion root is close to the clamping block body, the protrusion end is far away from the clamping block body, the transverse size of the protrusion end is larger than that of the protrusion root, the longitudinal projection shape of the recess is matched with that of the protrusion, and the protrusion is embedded into the recess from the longitudinal direction.

2. The busbar clamp according to claim 1, wherein: the three rectangular through holes are sequentially called as a left rectangular through hole, a middle rectangular through hole and a right rectangular through hole from left to right, and the transverse distance between every two adjacent rectangular through holes is equal; the number of the vertical hook buckle structures is four groups，Wherein the first group of vertical hook buckle structures are positioned on the left rectangular throughOn the left side of the hole, a second group of vertical hook and loop structures are positioned at the centers of the left rectangular through hole and the middle rectangular through hole, a third group of vertical hook and loop structures are positioned at the centers of the middle rectangular through hole and the right rectangular through hole, and a fourth group of vertical hook and loop structures are positioned on the right side of the right rectangular through hole; the transverse distance between the first group of vertical hooking and buckling structures and the left rectangular through hole is equal to the transverse distance between the fourth group of vertical hooking and buckling structures and the right rectangular through hole; the upper clamping block is provided with two bulges and two recesses, and the transverse positions of the bulges and the recesses are arranged in a staggered manner.

3. The bus bar clamp according to claim 1 or 2, wherein: and the bottoms of the groove cavities of the upper groove and the lower groove are also provided with rubber elastic insulating gaskets.

4. The bus bar clamp according to claim 1 or 2, wherein: the longitudinal projection shape of the bulge is gourd-shaped.

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