Bus duct end connector
Technical Field
The invention belongs to a connecting piece, and particularly relates to a bus duct end connecting piece.
Background
The existing bus duct end connecting plate is formed by bending a steel plate or an aluminum plate, such as an XL series intensive aluminum alloy shell bus duct produced by siemens company, and the connecting side plate of the connecting plate is formed into an L-shaped structure by bending an aluminum plate, so that the processing precision of parts is difficult to be ensured during mass production. Because aluminum plate material is softer, intensity is relatively poor, and the part is in the assembly process, and bus duct joint connecting portion protection grade receives the influence.
Disclosure of Invention
Aiming at the problems, the invention provides the bus duct end connecting piece which is simple to install, good in connection firmness and stability and capable of ensuring the reliable grounding of a bus duct system.
The specific technical scheme is as follows:
the bus duct end connecting piece comprises a connecting side plate and a connecting end block, wherein the connecting side plate comprises a first connecting side plate, a second connecting side plate and a third connecting side plate, a clearance groove is formed in the center of the first connecting side plate, the two second connecting side plates are respectively and vertically fixed on the front end face of the first connecting side plate and are respectively and symmetrically positioned on the outer sides of the clearance groove, and the two third connecting side plates are respectively and vertically fixed on the rear end face of the first connecting side plate and are respectively positioned on the outer sides of the two second connecting side plates;
four fixing mechanisms are arranged on the first connecting side plate, the four fixing mechanisms are symmetrically arranged on the upper side and the lower side of the clearance groove in pairs, a first fixing hole is formed in the fixing mechanism, a second fixing hole corresponding to the first fixing hole is formed in the first connecting side plate, and a third fixing hole is formed in the third connecting side plate;
the fixing mechanism comprises a first fixing plate, a second fixing plate and a third fixing plate, wherein the first fixing plate is arranged in parallel with the first connecting side plate, one ends of the two second fixing plates are respectively and vertically fixed on two sides of the first fixing plate, the other ends of the two second fixing plates are vertically fixed on the front end face of the first connecting side plate, the front end face of the first fixing plate is a horizontal plane, the rear end face of the first fixing plate protrudes outwards to form a first bulge with a circular arc structure, the third fixing plate is fixed between the two second fixing plates, the third fixing plate is a circular arc structure plate, and the protruding direction of the third fixing plate is opposite to that of the first bulge;
the connecting end blocks are of a cuboid structure, the number of the connecting end blocks is two, each connecting end block is provided with two internal thread locking channels corresponding to the second fixing holes, the outer sides of the internal thread locking channels are respectively provided with a limiting channel, and the bottoms of the connecting end blocks are provided with two limiting clamping grooves with openings at the bottoms;
the two connecting end blocks are respectively arranged corresponding to the fixedly connecting mechanisms on the upper side and the lower side of the empty slot and are locked and fixed through bolts, the connecting side plates are fixed on the upper cover plate and the lower cover plate of the bus slot through the cooperation of the connecting end blocks and the fixedly connecting mechanisms, and the third connecting side plate is used for being fixedly connected with the side plates of the bus slot.
Above-mentioned busway end connection spare, wherein, the cross-sectional shape of spacing passageway is regular pentagon structure.
The bus duct end connecting piece is characterized in that a first buffer plate is vertically arranged at the front end of a buffer cavity with a cuboid structure in a second connecting side plate, a second buffer plate is vertically arranged at the rear end of the buffer cavity, the first buffer plate is positioned at the left side of the second buffer plate, the length of the first buffer plate is L1, the length of the second buffer plate is L2, the length of the buffer cavity is L3, the ratio of L1 to L2 to L3 = 2 to 3, the distance between the first buffer plate and the second buffer plate is L4, the distance between the first buffer plate and the left side wall of the buffer cavity is L5, the distance between the second buffer plate and the right side wall of the buffer cavity is L6, and the ratio of L4 to L5 to L6 = 1 to 1;
the first buffer plate and the second buffer plate are connected through a first connecting assembly, the first connecting assembly comprises a first connecting plate and a second connecting plate, the second connecting plate penetrates through a groove between the first connecting plates and is connected through a rotating shaft, the first connecting plate and the second connecting plate can rotate relatively by taking the rotating shaft as the center, and two ends of the first connecting plate and the second connecting plate are respectively fixed on the first buffer plate and the second buffer plate;
a second connecting assembly is arranged between the first buffer plate and the right side wall of the buffer cavity, between the second buffer plate and the left side wall of the buffer cavity respectively, the second connecting assembly comprises a third connecting plate, a fourth connecting plate, a fifth connecting plate, a sixth connecting plate and a buffer pressing ring, the third connecting plate is obliquely and upwards fixed on the left side wall of the second buffer plate or the right side wall of the first buffer plate, the fourth connecting plate is obliquely and downwards fixed on the left side wall of the second buffer plate or the right side wall of the first buffer plate, the inclination of the third connecting plate is the same with that of the fourth connecting plate, the fifth connecting plate is fixed between the left side wall of the buffer cavity or the right side wall of the buffer cavity and the third connecting plate, the fifth connecting plate is perpendicular to the third connecting plate, the sixth connecting plate is fixed between the left side wall of the buffer cavity or the right side wall of the buffer cavity and the fourth connecting plate, and the sixth connecting plate is perpendicular to the fourth connecting plate, and the buffer is arranged in a space formed by surrounding the third connecting plate, the fourth connecting plate, the fifth connecting plate and the sixth connecting plate.
The beneficial effects of the invention are as follows:
when the bus duct is used, the connecting end blocks are fixed on the upper cover plate and the lower cover plate of the bus duct through bolts, wherein the limiting clamping grooves on the connecting end blocks are clamped and fixed with the guide strips on the upper cover plate and the lower cover plate of the bus duct, and the limiting channels on the connecting end blocks are in transition fit with the limiting plug blocks on the upper cover plate and the lower cover plate of the bus duct;
and then the connecting side plates are attached to the front end of the bus duct, the two connecting end blocks are respectively arranged corresponding to the fixedly connecting mechanisms on the upper side and the lower side of the empty-avoiding groove, the connecting side plates are locked and fixed through bolts, the connecting side plates are fixed on the upper cover plate and the lower cover plate of the bus duct through the cooperation of the connecting end blocks and the fixedly connecting mechanisms, and the third connecting side plates are used for being fixedly connected with the side plates of the bus duct.
The invention has the advantages of simple installation, good connection firmness and good stability, and can ensure the reliable grounding of the bus duct system.
Drawings
Fig. 1 is a top view of the installation of the present invention.
Fig. 2 is a top view of the connecting side plate.
Fig. 3 is a front view of the connecting side plate.
Fig. 4 is a sectional view of the connecting side plate A-A of fig. 1.
Fig. 5 is a front view of the connecting end block.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
Reference numerals
The connecting side plate 1, the connecting end block 2, the first connecting side plate 3, the second connecting side plate 4, the third connecting side plate 5, the clearance groove 6, the fixedly connecting mechanism 7, the first fixing hole 8, the first fixing plate 9, the second fixing plate 10, the third fixing plate 11, the first protrusion 12, the internal thread locking channel 13, the limiting channel 14, the limiting clamping groove 15, the bolt 16, the buffer cavity 17, the first buffer plate 18, the second buffer plate 19, the first connecting plate 20, the second connecting plate 21, the third connecting plate 22, the fourth connecting plate 23, the fifth connecting plate 24, the sixth connecting plate 25, the buffer pressing ring 26, the upper cover plate 27 and the guide strip 28.
The bus duct end connecting piece comprises a connecting side plate 1 and a connecting end block 2, wherein the connecting side plate comprises a first connecting side plate 3, a second connecting side plate 4 and a third connecting side plate 5, a clearance groove 6 is formed in the center of the first connecting side plate, two second connecting side plates are respectively and vertically fixed on the front end face of the first connecting side plate and are respectively and symmetrically positioned at the outer sides of the clearance groove, and two third connecting side plates are respectively and vertically fixed on the rear end face of the first connecting side plate and are respectively positioned at the outer sides of the two second connecting side plates;
four fixing mechanisms 7 are arranged on the first connecting side plate, the four fixing mechanisms are symmetrically arranged on the upper side and the lower side of the clearance groove in pairs, a first fixing hole 8 is formed in the fixing mechanism, a second fixing hole corresponding to the first fixing hole is formed in the first connecting side plate, and a third fixing hole is formed in the third connecting side plate;
the fixing mechanism comprises a first fixing plate 9, a second fixing plate 10 and a third fixing plate 11, wherein the first fixing plate is arranged in parallel with the first connecting side plate, one ends of the two second fixing plates are respectively and vertically fixed on two sides of the first fixing plate, the other ends of the two second fixing plates are vertically fixed on the front end face of the first connecting side plate, the front end face of the first fixing plate is a horizontal plane, the rear end face of the first fixing plate protrudes outwards to form a first bulge 12 with a circular arc structure, the third fixing plate is fixed between the two second fixing plates, the third fixing plate is a circular arc structure plate, and the protruding direction of the third fixing plate is opposite to that of the first bulge;
the connecting end blocks are of a cuboid structure, the number of the connecting end blocks is two, each connecting end block is provided with two internal thread locking channels 13 corresponding to the second fixing holes, the outer sides of the internal thread locking channels are respectively provided with a limiting channel 14, and the bottoms of the connecting end blocks are provided with two limiting clamping grooves 15 with openings at the bottoms;
the two connecting end blocks are respectively arranged corresponding to the fixedly connecting mechanisms on the upper side and the lower side of the empty slot and are locked and fixed through bolts 16, the connecting side plates are fixed on the upper cover plate and the lower cover plate of the bus slot through the cooperation of the connecting end blocks and the fixedly connecting mechanisms, and the third connecting side plate is used for being fixedly connected with the side plates of the bus slot.
The cross section of the limiting channel is of a regular pentagon structure.
The front end of the buffer cavity 17 with a cuboid structure is vertically provided with a first buffer plate 18, the rear end of the buffer cavity is vertically provided with a second buffer plate 19, the first buffer plate is positioned on the left side of the second buffer plate, the length of the first buffer plate is L1, the length of the second buffer plate is L2, the length of the buffer cavity is L3, the ratio of L1 to L2 to L3=2:2:3, the distance between the first buffer plate and the second buffer plate is L4, the distance between the first buffer plate and the left side wall of the buffer cavity is L5, the distance between the second buffer plate and the right side wall of the buffer cavity is L6, and the ratio of L4 to L5 to L6=1:1:1;
the first buffer plate and the second buffer plate are connected through a first connecting assembly, the first connecting assembly comprises a first connecting plate 20 and a second connecting plate 21, the second connecting plate penetrates through a groove between the first connecting plates and is connected through a rotating shaft, the first connecting plate and the second connecting plate can rotate relatively by taking the rotating shaft as the center, and two ends of the first connecting plate and the second connecting plate are respectively fixed on the first buffer plate and the second buffer plate;
a second connecting assembly is arranged between the first buffer plate and the right side wall of the buffer cavity and between the second buffer plate and the left side wall of the buffer cavity respectively, the second connecting assembly comprises a third connecting plate 22, a fourth connecting plate 23, a fifth connecting plate 24, a sixth connecting plate 25 and a buffer ring 26, the third connecting plate is obliquely and upwards fixed on the left side wall of the second buffer plate or the right side wall of the first buffer plate, the fourth connecting plate is obliquely and downwards fixed on the left side wall of the second buffer plate or the right side wall of the first buffer plate, the inclination of the third connecting plate is the same with that of the fourth connecting plate, the fifth connecting plate is fixed between the left side wall of the buffer cavity or the right side wall of the buffer cavity and the third connecting plate, the fifth connecting plate is perpendicular to the third connecting plate, the sixth connecting plate is fixed between the left side wall of the buffer cavity or the right side wall of the buffer cavity and the fourth connecting plate, and the sixth connecting plate is perpendicular to the fourth connecting plate, and the buffer is arranged in a space formed by surrounding the third connecting plate, the fourth connecting plate, the fifth connecting plate and the sixth connecting plate.
When the bus duct is used, the connecting end blocks are fixed on the upper cover plate 27 and the lower cover plate of the bus duct through bolts, wherein the limiting clamping grooves on the connecting end blocks are clamped and fixed with the guide strips 28 on the upper cover plate and the lower cover plate of the bus duct, and the limiting channels on the connecting end blocks are in transition fit with the limiting inserting blocks on the upper cover plate and the lower cover plate of the bus duct;
and then the connecting side plates are attached to the front end of the bus duct, the two connecting end blocks are respectively arranged corresponding to the fixedly connecting mechanisms on the upper side and the lower side of the empty-avoiding groove, the connecting side plates are locked and fixed through bolts, the connecting side plates are fixed on the upper cover plate and the lower cover plate of the bus duct through the cooperation of the connecting end blocks and the fixedly connecting mechanisms, and the third connecting side plates are used for being fixedly connected with the side plates of the bus duct.