CN115972990B - Contact net electric connection device with buffer function - Google Patents
Contact net electric connection device with buffer function Download PDFInfo
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- CN115972990B CN115972990B CN202310275325.XA CN202310275325A CN115972990B CN 115972990 B CN115972990 B CN 115972990B CN 202310275325 A CN202310275325 A CN 202310275325A CN 115972990 B CN115972990 B CN 115972990B
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Abstract
The invention discloses an electric connecting device of a contact net with a buffer function, which comprises: the bearing cable, the soft copper stranded wire, the contact wire, the bearing cable electric connection clamping, the rubber buffer piece and the contact wire electric connection clamping. The contact net electric connecting device with the buffering function can absorb and consume swing energy of the soft copper stranded wires through the rubber buffering piece, particularly, the rubber buffering cone forms graded energy consumption on the swing energy of the soft copper stranded wires along the axis direction of the arc-shaped pore canal of the soft copper stranded wires, so that the swing energy of the soft copper stranded wires is effectively absorbed and consumed, fatigue fracture of the soft copper stranded wires at the position clamped with the bearing rope electric connecting clamp is avoided, reliable operation of the contact net electric connecting device is fully guaranteed, and the contact net electric connecting device with the buffering function is simple in structure, fully guarantees product quality, improves product reliability and has wide application prospect.
Description
Technical Field
The invention relates to the field of electromechanics, in particular to an electric connecting device of a contact net with a buffering function.
Background
At present, in an electric connecting device of a contact net on an electrified railway, a carrier rope electric connecting clamp is generally adopted to clamp and connect a soft copper stranded wire on the carrier rope, and as hard connection is adopted between the soft copper stranded wire and the carrier rope electric connecting clamp, fatigue fracture accidents are easy to occur to the soft copper stranded wire when the soft copper stranded wire swings when the wind load and the contact wire are arched;
as shown in fig. 1, in the contact net electric connection device, since the soft copper stranded wire 2 is in an arc structure, one end of the carrier cable 1 and one end of the soft copper stranded wire 2 are electrically connected with the clamp 4 through the carrier cable, the other end of the contact wire 3 and the other end of the soft copper stranded wire 2 are electrically connected with the clamp 6 through the contact wire, and the traditional connection mode does not adopt a structure for effectively slowing down the swing of the soft copper stranded wire, so that the soft copper stranded wire can swing greatly under the action of wind force and when passing through a bow, and the soft copper stranded wire accumulated at the joint of the carrier cable electric connection clamp may be subjected to fatigue fracture at the position a along with time.
In conclusion, how to effectively absorb and consume swing energy of the soft copper stranded wire, reduce swing of the soft copper stranded wire in the working process, avoid fatigue fracture of the soft copper stranded wire at the position of the clamp electrically connected with the carrier cable, fully ensure reliable operation of the contact net electric connecting device, and become the problem to be solved urgently by researchers in the field.
Disclosure of Invention
The invention aims to solve the technical problems that: and the swinging energy of the soft copper stranded wires is effectively absorbed, so that the swinging of the soft copper stranded wires in the working process is reduced, the fatigue fracture of the soft copper stranded wires at the position of the clamp of the soft copper stranded wires electrically connected with the carrier cable is avoided, and the reliable working of the contact net electric connecting device is fully ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to an electric connecting device of a contact net with a buffer function, which comprises: the bearing cable, the soft copper stranded wire, the contact wire, the bearing cable electric connection clamping clip, the rubber buffer piece and the contact wire electric connection clamping clip;
the carrier cable is in a tensioning state under the action of the weight at two ends;
the soft copper stranded wire is formed by stranding a plurality of thin copper wires;
the upper part of the contact line is hung on the carrier cable through a hanger, the lower part of the contact line is in sliding contact with a pantograph of the train, and the electric power is transmitted to the train;
the rubber buffer piece comprises a rubber buffer block and a rubber buffer cone, the rubber buffer cone is positioned on the right side of the lower part of the rubber buffer block and is integrated with the lower part of the rubber buffer block, a left-right through soft copper stranded wire arc-shaped duct is arranged between the lower part of the rubber buffer block and the rubber buffer cone, the radian of the soft copper stranded wire arc-shaped duct is consistent with the natural radian formed after the soft copper stranded wire is connected and installed, the aperture of the soft copper stranded wire arc-shaped duct is matched with the diameter of the soft copper stranded wire, the center of the upper part of the rubber buffer block is provided with a left-right horizontal through carrier cable duct, a left-right through rubber body first vertical tangential surface is arranged below the center of the carrier cable duct, the upper part of the rubber body first vertical tangential surface is radially communicated with the carrier cable duct, a left-right through rubber body second vertical tangential surface is arranged above the center of the carrier cable duct, the lower part of the second vertical parting plane of the rubber body is radially communicated with the carrier cable duct, the left side of the upper end of the second vertical parting plane of the rubber body is provided with a first horizontal parting plane of the rubber body which is communicated left and right, the right end of the first horizontal parting plane of the rubber body is communicated with the upper end of the second vertical parting plane of the rubber body, the left side of the first horizontal parting plane of the rubber body is provided with a diagonal plane of the rubber body which is communicated left and right, the left side of the lower part of the diagonal plane of the rubber body is provided with a second horizontal parting plane of the rubber body which is communicated left and right, the right side of the second horizontal parting plane of the rubber body is communicated with the lower end of the diagonal plane of the rubber body, the left side of the second horizontal parting plane of the rubber body is directly communicated with the left side of the rubber buffer block, the first vertical parting plane of the rubber body, the carrier duct, the second vertical parting plane of the rubber body, the first horizontal parting plane of the rubber body, the diagonal plane of the rubber body, the diagonal surface of the rubber body and the second horizontal cutting surface of the rubber body are mutually communicated, the left side of the upper part of the rubber buffer block is divided into an upper rubber buffer block body and a lower rubber buffer block body, the upper rubber buffer block body and the lower rubber buffer block body can be vertically separated along each cutting surface, a carrier rope is installed into a carrier rope duct, the carrier rope is vertically closed and fastened along each cutting surface, and the carrier rope is locked in the carrier rope duct;
the soft copper stranded wires penetrate through and are installed into the soft copper stranded wire arc-shaped pore canal, the outer wall of each soft copper stranded wire is tightly attached to the pore wall of each soft copper stranded wire arc-shaped pore canal, the soft copper stranded wires are respectively exposed out of two ends of each soft copper stranded wire arc-shaped pore canal, the left ends of the soft copper stranded wires exposed out of the soft copper stranded wire arc-shaped pore canals are reliably clamped at the lower parts of the carrier cable electric connecting clamps, and the upper parts of the carrier cable electric connecting clamps are clamped on the carrier cable, so that reliable connection and reliable conduction are formed among the carrier cable, the carrier cable electric connecting clamps and the soft copper stranded wires; the right end of the soft copper stranded wire exposed out of the arc-shaped pore canal of the soft copper stranded wire is clamped on the contact wire electric connection clamping clip, reliable connection and reliable conduction are formed between the soft copper stranded wire and the contact wire electric connection clamping clip, meanwhile, the contact wire electric connection clamping clip is reliably connected to a contact wire, the contact wire electric connection clamping clip and the contact wire form reliable connection and conduction, and reliable connection and reliable conduction are formed among the contact wire, the contact wire electric connection clamping clip and the soft copper stranded wire;
the rubber buffer piece moves leftwards along the soft copper stranded wire, so that the left side of the rubber buffer piece is tightly attached to the right side of the carrier cable electric connection clamp, all the parting surfaces between the upper body of the rubber buffer block and the lower body of the rubber buffer block are opened, the carrier cable is clamped and arranged into the carrier cable duct, all the parting surfaces are closed and fastened, the carrier cable is locked in the carrier cable duct, and the soft copper stranded wire is naturally suspended on the carrier cable through the rubber buffer piece;
the lower part of the soft copper stranded wire can swing up and down, left and right and front and back directions relative to the carrier cable electric connection clamp under the action of the contact wire passing bow or wind load, the rubber buffer piece can absorb and consume swing energy of the soft copper stranded wire, and particularly the rubber buffer cone can form graded energy consumption on the swing energy of the soft copper stranded wire along the axis direction of the arc-shaped pore canal of the soft copper stranded wire, so that the swing energy of the soft copper stranded wire is effectively absorbed, fatigue fracture of the soft copper stranded wire at the position of the carrier cable electric connection clamp is avoided, and reliable operation of the contact network electric connection device is fully ensured;
the aforesaid scheme can be with the side direction of carrying the lock entering into the carrier cable passageway in, in order to be able to get into the carrier cable passageway with the lock simultaneously in and get into soft copper stranded conductor arc pore with soft copper stranded conductor, this scheme adopts the locking structure includes: a third vertical parting plane, the top of which is communicated with the carrier cable duct, and the bottom of which is communicated with the soft copper stranded wire arc duct; a third horizontal parting plane, a second inclined parting plane, a fourth horizontal parting plane, a third inclined parting plane and a fifth horizontal parting plane which are sequentially connected and arranged along the side wall of the rubber buffer block to the third vertical parting plane; the end part of the fifth horizontal cutting surface is connected with the third vertical cutting surface; wherein the second chamfer surface and the third chamfer surface are symmetrical chamfer surfaces; the carrier cable and the soft copper stranded wire can correspondingly enter the carrier cable pore canal and the soft copper stranded wire arc pore canal along the locking structure;
in this scheme, the protrusion is provided with isosceles trapezoid's structure on the rubber buffer block lower part of the body, is provided with isosceles trapezoid's recess on the rubber buffer block upper part of the body, and the recess can go on locking with the rubber buffer block lower part of the body, the rubber buffer block upper part of the body with bellied cooperation, can get into the bearing cable passageway with the bearing lock simultaneously through this kind of scheme and get into soft copper stranded conductor arc pore with soft copper stranded conductor in.
Further, each cutting surface between the upper body of the rubber buffer block and the lower body of the rubber buffer block can be formed by processing a rubber mold, and also can be formed by cutting by a profiling cutter;
further, the rubber buffer material may be a non-metal buffer material such as polyurethane.
A reinforcing rib is arranged between the rubber buffer block and the rubber buffer cone, and the third vertical tangential plane divides the reinforcing rib into two parts;
can realize the function of drawing to the rubber buffering awl through setting up the strengthening rib.
In order to increase the adhesiveness of the upper body of the rubber buffer block and the lower body of the rubber buffer block, the scheme adopts the locking structure and adhesive glue can be coated between the two reinforcing ribs.
The invention has the beneficial effects that: according to the contact net electric connection device with the buffering function, the swinging energy of the soft copper stranded wires can be absorbed and consumed through the rubber buffering piece, and particularly the swinging energy of the soft copper stranded wires by the rubber buffering cone forms graded energy consumption along the axis direction of the arc-shaped pore canal of the soft copper stranded wires, so that the swinging energy of the soft copper stranded wires is effectively absorbed and consumed, fatigue breakage of the soft copper stranded wires at the position of the clamp of electric connection with the carrier rope is avoided, and reliable operation of the contact net electric connection device is fully ensured. The contact net electric connection device with the buffer function is simple in structure, fully guarantees product quality, improves product reliability and has wide application prospect.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of a conventional connection structure;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a semi-sectional view of rubber bumper embodiment 1;
FIG. 4 is a front cross-sectional view of rubber bumper embodiment 1;
FIG. 5 is a half cross-sectional view of rubber cushion embodiment 2;
fig. 6 is a front sectional view of rubber cushion embodiment 2.
Description of the embodiments
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
Embodiment one: as shown in fig. 2, the present invention is an electrical contact network connection device with a buffer function, comprising: the cable comprises a carrier cable 1, a soft copper stranded wire 2, a contact wire 3, a carrier cable electric connection clamp 4, a rubber buffer piece 5 and a contact wire electric connection clamp 6; the carrier cable 1 is in a tensioning state under the action of the weight at two ends; the soft copper stranded wire 2 is formed by stranding a plurality of thin copper wires; the upper part of the contact line 3 is hung on the carrier cable 1 through a hanger, the lower part of the contact line forms sliding contact with a pantograph of a train, and the train transmits electric power;
compared with fig. 1, the scheme adds a rubber buffer piece 5;
as shown in fig. 2, the rubber buffer member 5 comprises a rubber buffer block 5-1 and a rubber buffer cone 5-2, the rubber buffer cone 5-2 is positioned on the right side of the lower part of the rubber buffer block 5-1 and is integrated with the lower part of the rubber buffer block 5-1, a left-right through soft copper strand arc-shaped duct 5-3 is arranged between the lower part of the rubber buffer block 5-1 and the rubber buffer cone 5-2, the radian of the soft copper strand arc-shaped duct 5-3 is consistent with the natural radian formed after the soft copper strand 2 is connected and installed, the aperture of the soft copper strand arc-shaped duct 5-3 is matched with the diameter of the soft copper strand 2, and a left-right horizontal through carrier cable duct 5-4 is arranged at the center of the upper part of the rubber buffer block 5-1;
in sum, one side of the rubber buffer block 5-1 is provided with the rubber buffer block 5-1, the soft copper stranded wire arc-shaped pore canal 5-3 is used for the soft copper stranded wire 2 to pass through, and the carrier rope pore canal 5-4 is used for the carrier rope 1 to pass through.
As shown in fig. 4, a second vertical parting plane 5-6 of the rubber body is arranged above the center of the carrier cable duct 5-4, the lower part of the second vertical parting plane 5-6 of the rubber body is radially communicated with the carrier cable duct 5-4, a first horizontal parting plane 5-7 of the rubber body is arranged at the left side of the upper end of the second vertical parting plane 5-6 of the rubber body, the right end of the first horizontal parting plane 5-7 of the rubber body is communicated with the upper end of the second vertical parting plane 5-6 of the rubber body, a diagonal plane 5-8 of the rubber body is arranged at the left side of the first horizontal parting plane 5-7 of the rubber body, the upper part of the diagonal plane 5-8 of the rubber body is communicated with the left side of the first horizontal parting plane 5-7 of the rubber body, the left side of the lower part of the rubber body inclined plane 5-8 is provided with a left-right through rubber body second horizontal bisector plane 5-9, the right side of the rubber body second horizontal bisector plane 5-9 is communicated with the lower end of the rubber body inclined plane 5-8, the left side of the rubber body second horizontal bisector plane 5-9 is directly communicated with the left side surface of the rubber buffer block 5-1, the rubber body first vertical bisector plane 5-5, the carrier cable duct 5-4, the rubber body second vertical bisector plane 5-6, the rubber body first horizontal bisector plane 5-7, the rubber body inclined plane 5-8 and the rubber body second horizontal bisector plane 5-9 are mutually communicated, the upper left side of the rubber buffer block 5-1 is divided into two parts of a rubber buffer block upper body 5-10 and a rubber buffer block lower body 5-11, the upper rubber buffer block body 5-10 and the lower rubber buffer block body 5-11 can be separated up and down along each tangential plane, the carrier rope 1 is installed into the carrier rope pore canal 5-4, the carrier rope 1 is fastened up and down along each tangential plane in a closed manner, and the carrier rope 1 is locked in the carrier rope pore canal 5-4;
in this way, the second horizontal parting plane 5-9 of the rubber body, the inclined plane 5-8 of the rubber body and the first horizontal parting plane 5-7 of the rubber body form a Z-shaped structure, the right end of the first horizontal parting plane 5-7 of the rubber body is communicated with the second vertical parting plane 5-6 of the rubber body, and the carrier cable 1 can enter from the gap between the upper body 5-10 of the rubber buffer block and the lower body 5-11 of the rubber buffer block and is locked through the upper body 5-10 of the rubber buffer block and the lower body 5-11 of the rubber buffer block, so that the rubber buffer piece 5 is connected with the carrier cable 1.
As shown in fig. 2, the soft copper stranded wires 2 are installed and enter the soft copper stranded wire arc-shaped pore canal 5-3 in a penetrating manner, the outer wall of the soft copper stranded wires 2 is tightly attached to the pore wall of the soft copper stranded wire arc-shaped pore canal 5-3, the soft copper stranded wires 2 are respectively exposed out of two ends of the soft copper stranded wire arc-shaped pore canal 5-3, the left ends of the soft copper stranded wires 2 exposed out of the soft copper stranded wire arc-shaped pore canal 5-3 are reliably clamped at the lower parts of the carrier cable electric connecting clamps 4, and the upper parts of the carrier cable electric connecting clamps 4 are clamped on the carrier cables 1, so that reliable connection and reliable electric conduction are formed among the carrier cables 1, the carrier cable electric connecting clamps 4 and the soft copper stranded wires 2; the right end of the soft copper stranded wire 2 exposed out of the soft copper stranded wire arc-shaped pore canal 5-3 is clamped on the contact wire electric connection clamping 6, reliable connection and reliable conduction are formed between the soft copper stranded wire 2 and the contact wire electric connection clamping 6, meanwhile, the contact wire electric connection clamping 6 is reliably connected to the contact wire 3, the contact wire electric connection clamping 6 and the contact wire 3 form reliable connection and conduction, and reliable connection and reliable conduction are formed among the contact wire 3, the contact wire electric connection clamping 6 and the soft copper stranded wire 2;
thus, the soft copper stranded wires 2 and the contact wires 3 are connected through the contact wire electric connecting clamp 6, and the soft copper stranded wires 2 and the carrier cable 1 are connected through the carrier cable electric connecting clamp 4.
As shown in fig. 3 and 4, the rubber buffer member 5 moves leftwards along the soft copper stranded wire 2, so that the left side of the rubber buffer member 5 is tightly attached to the right side of the carrier cable electric connection clamp 4, all the parting surfaces between the upper rubber buffer block body 5-10 and the lower rubber buffer block body 5-11 are opened, the carrier cable 1 is clamped into the carrier cable duct 5-4, all the parting surfaces are closed and fastened, the carrier cable 1 is locked in the carrier cable duct 5-4, and the soft copper stranded wire 2 is naturally suspended on the carrier cable 1 through the rubber buffer member 5; the lower part of the soft copper stranded wire 2 can swing up and down, left and right and front and back in all directions relative to the carrier cable electric connection clamp 4 under the action of passing a bow or wind load of the contact wire 3, the rubber buffer piece 5 can absorb and consume swing energy of the soft copper stranded wire 2, and particularly the rubber buffer cone 5-2 can form graded energy consumption for the swing energy of the soft copper stranded wire 2 along the axis direction of the arc-shaped duct 5-3 of the soft copper stranded wire, so that the swing energy of the soft copper stranded wire 2 is effectively absorbed, fatigue fracture of the soft copper stranded wire 2 at the position of the carrier cable electric connection clamp 4 is avoided, and reliable operation of the contact network electric connection device is fully ensured.
Embodiment two: as shown in fig. 5, on the basis of embodiment 1, the present solution provides another locking structure, namely another parting surface mode, specifically, the locking structure includes: the top of the third vertical tangential plane 5-12 is communicated with the carrier cable duct 5-4, and the bottom of the third vertical tangential plane is communicated with the soft copper stranded wire arc duct 5-3; a third horizontal parting plane 5-13, a second chamfer plane 5-14, a fourth horizontal parting plane 5-15, a third chamfer plane 5-16 and a fifth horizontal parting plane 5-17 which are sequentially connected and arranged along the side wall of the rubber buffer block 5-1 towards the third vertical parting plane 5-12; the end part of the fifth horizontal parting plane 5-17 is connected with the third vertical parting plane 5-12; wherein the second chamfer surface 5-14 and the third chamfer surface 5-16 are symmetrical chamfer surfaces; the carrier cable 1 and the soft copper stranded wire 2 can correspondingly enter the carrier cable pore canal 5-4 and the soft copper stranded wire arc pore canal 5-3 along the locking structure;
in this scheme, the protrusion is provided with isosceles trapezoid's structure on the rubber buffer block lower part of the body, is provided with isosceles trapezoid's recess on the rubber buffer block upper part of the body, and the recess can go on locking with the rubber buffer block lower part of the body, the rubber buffer block upper part of the body with bellied cooperation, can get into the bearing cable passageway with the bearing lock simultaneously through this kind of scheme and get into soft copper stranded conductor arc pore with soft copper stranded conductor in.
As shown in fig. 4, each cut surface between the upper rubber cushion block body 5-10 and the lower rubber cushion block body 5-11 may be formed by a rubber mold or by cutting with a copying cutter;
when the profiling cutter is used for shearing and forming, the shape of the profiling cutter is consistent with the shape formed by the second horizontal tangential plane 5-9, the rubber body inclined tangential plane 5-8, the rubber body first horizontal tangential plane 5-7, the rubber body second vertical tangential plane 5-6 and the rubber body first vertical tangential plane 5-5, and the profiling cutter can divide the rubber buffer piece 5 into a rubber buffer block upper body 5-10 and a rubber buffer block lower body 5-11 along the axial direction of the carrier cable duct 5-4.
In order to illustrate the material of the rubber buffer member, the material of the rubber buffer member 5 is rubber or polyurethane nonmetallic buffer material.
As shown in fig. 6, a reinforcing rib 5-18 is arranged between the rubber buffer block and the rubber buffer cone, and the reinforcing rib 5-18 is divided into two parts by a third vertical dividing surface 5-12;
can realize the function of drawing to the rubber buffering awl through setting up the strengthening rib.
In order to increase the adhesiveness of the upper body of the rubber buffer block and the lower body of the rubber buffer block, the scheme adopts the locking structure and the adhesive glue can be coated between the two reinforcing ribs 5-18, so that the connection strength of the locking structure is enhanced.
It should be noted that, structurally, the rubber buffer block 5-1 and the rubber buffer cone 5-2 in this embodiment form a whole element rubber buffer 5;
in terms of the effect, the rubber buffer block 5-1 in the application connects the carrier rope 1 and the soft copper stranded wire 2 together on one hand, so that the soft copper stranded wire 2 can be hung on the carrier rope 1, and more importantly, the rubber buffer block 5-1 is an important component for absorbing and consuming the swing energy of the soft copper stranded wire 2, in the scheme, the rubber buffer cone 5-2 forms graded energy consumption on the swing energy of the soft copper stranded wire 2 along the axis direction of the arc-shaped duct 5-3 of the soft copper stranded wire, and then the absorption and consumption of the swing energy of the soft copper stranded wire 2 are further enhanced by the relative stretching and extrusion of the upper part and the lower part of the rubber buffer block 5-1, so that the rubber buffer block 5-1 in the scheme is a soft connection with energy absorption and energy consumption functions;
in terms of reliability and safety, the rubber buffer block 5-1 in the scheme is locked through the locking structure, meanwhile, adhesive glue can be coated between the locking structure and the two reinforcing ribs 5-18, so that the rubber buffer block 5-1 and the rubber buffer cone 5-2 form an integral element rubber buffer piece 5, the rubber buffer piece 5 is fully wrapped on the carrier rope 1 and the soft copper stranded wire 2 respectively, and even if the rubber buffer piece 5 breaks independently at the carrier rope 1 or the soft copper stranded wire 2, the rubber buffer piece 5 can still be hung on the other part of the carrier rope 1 or the soft copper stranded wire 2, and is not easy to fall; thus, the safety of the electric connection device is greatly ensured, and the risk of serious accidents is fully reduced.
In addition, the soft copper stranded wires 2 are wrapped in the soft copper stranded wire arc-shaped pore passages 5-3 between the lower parts of the rubber buffer blocks 5-1 and the rubber buffer cones 5-2, and when the soft copper stranded wires 2 swing, energy can be uniformly absorbed and consumed by the rubber buffer blocks 5-1 and the rubber buffer cones 5-2, so that fatigue damage of the soft copper stranded wires 2 caused by local repeated bending is avoided;
in the scheme, the rubber buffer block 5-1 and the rubber buffer cone 5-2 are respectively in a half locking structure, namely the rubber buffer piece 5 is subjected to unidirectional cutting, so that the structural strength and the service life of the rubber buffer body are effectively improved, and the reliable operation of the contact line electric connection device is ensured.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. An electrical contact network connection device with buffering function, comprising: the cable comprises a carrier cable (1), a soft copper stranded wire (2), a contact wire (3), a carrier cable electric connection clamp (4), a rubber buffer (5) and a contact wire electric connection clamp (6);
the carrier cable (1) is in a tensioning state under the action of the weight at two ends;
the soft copper stranded wire (2) is formed by stranding a plurality of thin copper wires;
the upper part of the contact line (3) is hung on the carrier cable (1) through a hanger, the lower part of the contact line is in sliding contact with a pantograph of a train, and the train transmits power;
the rubber buffer piece (5) comprises a rubber buffer block (5-1) and a rubber buffer cone (5-2), the rubber buffer cone (5-2) is positioned on the right side of the lower part of the rubber buffer block (5-1) and is integrated with the lower part of the rubber buffer block (5-1), a soft copper stranded wire arc-shaped pore canal (5-3) which is horizontally communicated left and right is arranged between the lower part of the rubber buffer block (5-1) and the rubber buffer cone (5-2), the radian of the soft copper stranded wire arc-shaped pore canal (5-3) is consistent with the natural radian formed after the soft copper stranded wires (2) are connected and installed, the aperture of the soft copper stranded wire arc-shaped pore canal (5-3) is matched with the diameter of the soft copper stranded wires (2), and a bearing rope pore canal (5-4) which horizontally communicated left and right is arranged at the center of the upper part of the rubber buffer block (5-1);
the rubber buffer block (5-1) comprises a rubber buffer block upper body (5-10) and a rubber buffer block lower body (5-11) which are mutually locked through a locking structure;
the soft copper stranded wires (2) penetrate through and are installed into the soft copper stranded wire arc-shaped pore canal (5-3), the outer wall of the soft copper stranded wires (2) is tightly attached to the pore wall of the soft copper stranded wire arc-shaped pore canal (5-3), the soft copper stranded wires (2) are respectively exposed out of two ends of the soft copper stranded wire arc-shaped pore canal (5-3), the left ends of the soft copper stranded wires (2) exposed out of the soft copper stranded wire arc-shaped pore canal (5-3) are reliably clamped at the lower parts of the carrier cable electric connection clamps (4), and the upper parts of the carrier cable electric connection clamps (4) are clamped on the carrier cable (1), so that reliable connection and reliable electric conduction are formed among the carrier cable (1), the carrier cable electric connection clamps (4) and the soft copper stranded wires (2); the right end of the soft copper stranded wire (2) exposed out of the arc-shaped pore canal (5-3) of the soft copper stranded wire is clamped on the contact wire electric connection clamping clip (6), reliable connection and reliable conduction are formed between the soft copper stranded wire (2) and the contact wire electric connection clamping clip (6), meanwhile, the contact wire electric connection clamping clip (6) is reliably connected to the contact wire (3), the contact wire electric connection clamping clip (6) and the contact wire (3) are reliably connected and conducted, and reliable connection and reliable conduction are formed among the contact wire (3), the contact wire electric connection clamping clip (6) and the soft copper stranded wire (2);
the rubber buffer piece (5) moves leftwards along the soft copper stranded wire (2) to enable the left side of the rubber buffer piece (5) to be tightly attached to the right side of the carrier cable electric connection clamp (4), all the parting surfaces between the upper body (5-10) of the rubber buffer block and the lower body (5-11) of the rubber buffer block are opened, the carrier cable (1) is clamped into the carrier cable duct (5-4) or the soft copper stranded wire (2) is clamped into the soft copper stranded wire arc duct (5-3), all the parting surfaces are closed and fastened, the carrier cable (1) is locked in the carrier cable duct (5-4), and the soft copper stranded wire (2) is naturally suspended on the carrier cable (1) through the rubber buffer piece (5);
the lower part of the soft copper stranded wire (2) can swing up and down, left and right and front and back in all directions relative to the carrier cable electric connection clamp (4) under the action of a bow passing contact wire (3) or wind load, the rubber buffer piece (5) can absorb and consume swing energy of the soft copper stranded wire (2), the rubber buffer cone (5-2) can form graded energy consumption for the swing energy of the soft copper stranded wire (2) along the axis direction of the arc-shaped pore channel (5-3) of the soft copper stranded wire, the swing energy of the soft copper stranded wire (2) is effectively absorbed, fatigue fracture of the soft copper stranded wire (2) at the position of the carrier cable electric connection clamp (4) is avoided, and reliable operation of the contact network electric connection device is fully ensured.
2. An electrical contact network connection device with buffering function according to claim 1, wherein the locking structure comprises:
a first vertical parting plane (5-5) of a rubber body which is communicated left and right is arranged below the center of the carrier cable pore channel (5-4), the upper part of the first vertical parting plane (5-5) of the rubber body is communicated with the second vertical parting plane (5-6) of the rubber body which is communicated left and right is arranged above the center of the carrier cable pore channel (5-4), the lower part of the second vertical parting plane (5-6) of the rubber body is communicated with the carrier cable pore channel (5-4) in the radial direction, the left side of the upper end of the second vertical parting plane (5-6) of the rubber body is provided with a first horizontal parting plane (5-7) of the rubber body which is communicated left and right, the right end of the first horizontal parting plane (5-7) of the rubber body is communicated with the upper end of the second vertical parting plane (5-6), the left side of the first horizontal parting plane (5-7) of the rubber body is provided with a second horizontal parting plane (5-8) which is communicated left and right, the upper part of the second horizontal parting plane (5-8) of the rubber body is communicated with the left side of the rubber body, the left side of the second horizontal parting plane (5-8) is communicated with the left side of the rubber body (5-7) of the horizontal parting plane (5-8), the left side of the second horizontal parting plane (5-9) of the rubber body is directly communicated with the left side surface of the rubber buffer block (5-1), the first vertical parting plane (5-5) of the rubber body, the carrier cable duct (5-4), the second vertical parting plane (5-6) of the rubber body, the first horizontal parting plane (5-7) of the rubber body, the inclined parting plane (5-8) of the rubber body and the second horizontal parting plane (5-9) of the rubber body are mutually communicated, the left side of the upper part of the rubber buffer block (5-1) is divided into two parts of an upper rubber buffer block body (5-10) and a lower rubber buffer block body (5-11), the upper rubber buffer block body (5-10) and the lower rubber buffer block body (5-11) can be separated up and down along each parting plane, the carrier cable (1) is installed into the carrier cable duct (5-4), the carrier cable (1) is fastened up and down along each parting plane, and the carrier cable (5-4) is locked.
3. The overhead line system electric connection device with a buffering function according to claim 1, wherein: the locking structure comprises:
a third vertical parting plane (5-12), the top of which is communicated with the carrier cable duct (5-4) and the bottom of which is communicated with the soft copper stranded wire arc duct (5-3);
a third horizontal parting plane (5-13), a second inclined parting plane (5-14), a fourth horizontal parting plane (5-15), a third inclined parting plane (5-16) and a fifth horizontal parting plane (5-17) which are sequentially connected and arranged along the side wall of the rubber buffer block (5-1) to the third vertical parting plane (5-12);
the end part of the fifth horizontal parting plane (5-17) is connected with the third vertical parting plane (5-12);
wherein the second chamfer surface (5-14) and the third chamfer surface (5-16) are symmetrical inclined surfaces;
the carrier cable (1) and the soft copper stranded wire (2) can correspondingly enter the carrier cable pore canal (5-4) and the soft copper stranded wire arc pore canal (5-3) along the locking structure.
4. The overhead line system electric connection device with a buffering function according to claim 1, wherein: the cutting surfaces between the upper rubber buffer block body (5-10) and the lower rubber buffer block body (5-11) can be formed by processing a rubber die or by cutting by a profiling cutter.
5. The overhead line system electric connection device with a buffering function according to claim 1, wherein: the rubber buffer (5) is made of rubber or polyurethane nonmetallic buffer material.
6. A catenary electrical connection apparatus having a buffering function according to claim 3, wherein: a reinforcing rib (5-18) is arranged between the rubber buffer block (5-1) and the rubber buffer cone (5-2), and the third vertical parting plane (5-12) divides the reinforcing rib (5-18) into two parts.
7. The overhead line system electric connection device with the buffering function according to claim 6, wherein: adhesive glue can be coated between the locking structure and the two reinforcing ribs (5-18).
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| CN117048438B (en) * | 2023-10-11 | 2024-01-23 | 中铁建电气化局集团轨道交通器材有限公司 | Inlay connection type contact line electric connection buffer device and installation method |
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| CN115972990A (en) | 2023-04-18 |
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