CN214189381U - Contact net suspension structure with compensation structure - Google Patents

Abstract

The utility model discloses a contact net suspension structure with a compensation structure, which comprises a support post, wherein a flat cantilever is arranged on the support post, the lower end of the flat cantilever is fixedly connected with an inclined cantilever, a positioning rod is fixedly connected on the inclined cantilever, a sliding frame is connected on the positioning rod in a sliding way, a fixed plate is fixedly connected on the lower end surface of the sliding frame, a sliding rod is fixedly connected on the side wall of the fixed plate, a sliding plate is connected on the sliding rod in a sliding way, the sliding plate is mutually connected with the fixed plate through a spring, fixed wire clamps are fixedly connected on the lower end surfaces of the fixed plate and the sliding plate, and a movable wire clamp is fixedly arranged on the fixed wire clamps through bolt nuts, the contact wires clamped between the fixed plate and the lower end of the sliding plate are two contact wires parallel in the horizontal direction, so that the whole transmission line does not form discontinuity and simultaneously solves the problem of thermal expansion and cold contraction, and the contact line is always kept in a tight state, so that the offline phenomenon between the contact line and the pantograph is avoided.

Description

Contact net suspension structure with compensation structure

Technical Field

The utility model relates to a contact net articles for use technical field specifically is a contact net suspension structure with compensation structure.

Background

The overhead contact system is a special power transmission line which is erected over a railway line and supplies power to an electric locomotive, a catenary on the overhead contact system is hung with a contact line through a hanger, the electric locomotive contacts with the contact line through a pantograph on the overhead contact system to obtain power for the electric locomotive to run, in order to avoid the influence of thermal expansion and cold contraction on the contact line, the existing contact line has certain sag after the installation is finished, when strong wind is encountered, the remained sag can cause the contact line to swing strongly, at the moment, the contact line is easy to generate an off-line phenomenon with the pantograph, and the electric locomotive is prevented from running, so that the overhead contact system suspension structure with a compensation structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contact net suspension structure with compensation structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a contact net suspension structure with a compensation structure comprises a support column, wherein a flat cantilever is arranged on the support column, the lower end of the flat cantilever is fixedly connected with an inclined cantilever, one end of the inclined cantilever, which is far away from the flat cantilever, is also fixedly arranged with the support column, a positioning rod is fixedly connected with the inclined cantilever, one end of the positioning rod, which is far away from the inclined cantilever, is mutually connected with the flat cantilever through a connecting rod, a sliding frame is slidably connected with the positioning rod, a fixed plate is fixedly connected with the lower end surface of the sliding frame, a sliding rod is fixedly connected with the side wall of the fixed plate, one end of the sliding rod, which is far away from the fixed plate, is fixedly connected with the lower end surface of the sliding frame, a sliding plate is slidably connected with the sliding plate through a spring, fixed wire clamps are fixedly connected with the lower end surfaces of the fixed plate and the sliding plate through bolts and nuts, and movable wire clamps are fixedly arranged on the fixed wire clamps through bolts and nuts, the fixed wire clamp and the movable wire clamp are mutually matched and clamp the wire grooves on the contact wires.

Preferably, the flat cantilever is provided with a hook, the hook is fixedly provided with a sealing part through a bolt and a nut, the hook and the sealing part are mutually matched and clamp the flat cantilever, the two ends of the hook are respectively provided with a locking block, one end of the locking block close to the hook is fixedly connected with a hanging ring, the locking block is mutually connected with the hook through the hanging ring, a locking cavity is formed in the locking block, an extrusion block capable of locking the catenary cable is inserted in the locking cavity, and the side wall of the extrusion block is provided with a limiting groove.

Preferably, install the seat of hanging through bolt and nut on the carrier cable, the lower extreme of seat of hanging articulates there is the screw rod, the meshing is connected with the bull stick on the screw rod, the lower extreme of bull stick rotates and is connected with the base, the first fastener of fixedly connected with on the lower terminal surface of base, first fastener is fixed with the second fastener through the bolt and nut installation, first fastener and second fastener are mutually supported and carry out the centre gripping to the wire casing on the contact line.

Preferably, the upper end of the sliding frame is engaged and connected with a locking bolt.

Preferably, rod-type insulators are arranged at one ends, close to the support, of the flat cantilever and the inclined cantilever.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the contact wire of fixed plate and slide lower extreme centre gripping is two contact wires that the horizontal direction is parallel, when the weather becomes hot, the slide just can stimulate the contact wire that becomes long for the contact wire can not leave the sag, remain the state of tightening throughout, when the weather becomes cold, the contact wire just can overcome the elasticity of spring and stimulate the slide right, thereby avoid the contact wire of shrink to produce and break up, solved the problem of expend with heat and contract with cold when making whole transmission line not form and be interrupted, and the contact wire keeps the state of tightening always, thereby avoid contact wire and pantograph to produce the off-line phenomenon;

the utility model discloses a locking chamber all is that the right-hand member is narrower than the left end with the extrusion piece for the extrusion piece can be to the upper and lower both sides wall extrusion carrier cable in locking chamber, and carrier cable just can carry out firm being connected with the latch segment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the flat cantilever and the positioning rod of the present invention;

FIG. 3 is a schematic view of the structure of the slide plate and the spring of the present invention;

fig. 4 is an explosion diagram of the fixed wire clamp and the movable wire clamp of the utility model;

FIG. 5 is an exploded view of the hook and the sealing member of the present invention;

FIG. 6 is a cross-sectional view of the restriction slot and the extrusion block of the present invention;

FIG. 7 is a schematic view of the structure of the screw and the rotating rod of the present invention;

fig. 8 is a cross-sectional view of the rotating rod and the base of the present invention.

In the figure: 1. the device comprises a support column, 2, a flat cantilever, 3, an inclined cantilever, 4, a positioning rod, 5, a connecting rod, 6, a sliding frame, 7, a fixing plate, 8, a sliding rod, 9, a sliding plate, 10, a spring, 11, a fixed wire clamp, 12, a movable wire clamp, 13, a contact wire, 14, a hook, 15, a sealing piece, 16, a locking block, 17, a hanging ring, 18, a locking cavity, 19, a limiting groove, 20, a carrier cable, 21, an extrusion block, 22, a hanging seat, 23, a screw rod, 24, a rotating rod, 25, a base, 26, a first wire clamp, 27, a second wire clamp, 28, a locking bolt, 29 and a rod type insulator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a contact net suspension structure with a compensation structure comprises a support column 1, wherein the lower end of the support column 1 is buried underground at two sides of a railway line so as to provide support for the suspension structure, a flat cantilever 2 is installed on the support column 1, the lower end of the flat cantilever 2 is fixedly connected with an inclined cantilever 3, one end of the inclined cantilever 3, which is far away from the flat cantilever 2, is also fixedly installed with the support column 1, the inclined cantilever 3 and the flat cantilever 2 form a triangular structure so as to be sufficiently stable, a positioning rod 4 is fixedly connected on the inclined cantilever 3, one end of the positioning rod 4, which is far away from the inclined cantilever 3, is mutually connected with the flat cantilever 2 through a connecting rod 5 so as to fix the positioning rod 4 in a horizontal state, a sliding frame 6 is slidably connected on the positioning rod 4, a fixing plate 7 is fixedly connected on the lower end face of the sliding frame 6, and a sliding rod 8 is fixedly connected on the side wall of the fixing plate 7, one end of the slide bar 8, which is far away from the fixed plate 7, is fixedly connected with the lower end surface of the slide frame 6, the slide bar 8 is connected with a slide plate 9 in a sliding way, the slide plate 9 can slide along the slide bar 8 in the horizontal direction, the slide plate 9 is connected with the fixed plate 7 through a spring 10, the spring 10 gives the slide plate 9 a pulling force towards the fixed plate 7, the lower end surfaces of the fixed plate 7 and the sliding plate 9 are both fixedly connected with a fixed wire clamp 11, the fixed wire clamp 11 is fixedly provided with a movable wire clamp 12 through a bolt and a nut, the fixed wire clamp 11 and the movable wire clamp 12 are matched with each other and clamp a wire slot on the contact wire 13, so that the contact wire 13 can be made into a cylindrical shape with grooves on two sides in order to install the contact wire 13, the grooves of the contact wire 13 are clamped between the fixed wire clamp 11 and the movable wire clamp 12, and the fixed wire clamp 11 and the movable wire clamp 12 can clamp the contact wire 1 by screwing bolts and nuts;

the contact lines 13 clamped between the fixed plate 7 and the lower end of the sliding plate 9 are two contact lines 13 parallel to each other in the horizontal direction, as shown in fig. 3, when the installation is performed, a fixed wire clamp 11 and a movable wire clamp 12 at the lower end of the fixed plate 7 are used for clamping one contact line 13, then the sliding plate 9 is pulled rightwards for a certain distance, so that the spring 10 forms a pulling force on the sliding plate 9, and at the moment, the fixed wire clamp 11 and the movable wire clamp 12 at the lower end of the sliding plate 9 are used for clamping the other contact line 13, and the two contact lines 13 are;

as shown in fig. 3, when the weather becomes hot, the contact line 13 is heated to be lengthened, at this time, the spring 10 can pull the sliding plate 9 leftward, and the sliding plate 9 pulls the contact line 13 clamped by the lower end of the sliding plate to move leftward, so that the contact line 13 does not leave sag and is always kept in a tight state;

as shown in fig. 3, when the weather becomes cold, the contact wire 13 is contracted by cold, and the contact wire 13 held by the lower end of the sliding plate 9 will overcome the elastic force of the spring 10 to pull the sliding plate 9 rightwards, thereby avoiding the collapse of the contracted contact wire 13;

the sliding plate 9 structure is arranged on each support 1, so that the problem of thermal expansion and cold contraction of the contact line 13 is solved while the whole power transmission line is not interrupted, the contact line 13 is always kept in a tight state, the contact line 13 is prevented from swinging to a large extent, and the contact line 13 and a pantograph are prevented from being off-line.

Specifically, a hook 14 is arranged on the flat cantilever 2, a sealing piece 15 is fixedly installed on the hook 14 through a bolt and a nut, the hook 14 and the sealing piece 15 are matched with each other and clamp the flat cantilever 2, the middle part of the hook 14 is firstly attached to the flat cantilever 2, then the sealing piece 15 is attached to the hook 14, the bolt and the nut are screwed, so that the hook 14 and the sealing piece 15 can be fixed on the flat cantilever 2, locking blocks 16 are arranged at two ends of the hook 14, as shown in fig. 5, the locking blocks 16 are trapezoidal, the right end of each locking block 16 is narrower than the left end, one end of each locking block 16, which is close to the hook 14, is fixedly connected with a hanging ring 17, the locking blocks 16 are connected with the hook 14 through the hanging rings 17, before the sealing piece 15 is attached to the hook 14, the two hanging rings 17 are respectively sleeved at two ends of the hook 14, so that the locking blocks 16 can be connected with the hook 14, a locking cavity 18 is formed in the locking block 16, the locking cavity 18 is also trapezoidal, an extrusion block 21 capable of locking the catenary 20 is inserted in the locking cavity 18, as shown in fig. 6, the right end of the extrusion block 21 is narrower than the left end, a limiting groove 19 is formed in the side wall of the extrusion block 21, the limiting groove 19 can enlarge the contact area between the extrusion block 21 and the catenary 20, as shown in fig. 5, the catenary 20 extends into the locking cavity 18 from the right end of the locking block 16, the catenary 20 bypasses the extrusion block 21 along the limiting groove 19 and then extends out from the right end of the locking block 16, at the moment, one end of the catenary 20 in the lower part in fig. 5 is pulled rightwards, the catenary 20 drives the extrusion block 21 to move rightwards, and as the right end of the locking cavity 18 and the extrusion block 21 is narrower than the left end, the extrusion block 21 can extrude the catenary 20 towards the upper side wall and the lower side wall of the locking cavity 18, so that the catenary 20 and the locking block 16 can be firmly connected, the carrier cable 20 between each two columns 1 can be fixed by the locking blocks 16 at the two ends.

Specifically, a hanging seat 22 is mounted on the carrier cable 20 through a bolt and a nut, the hanging seat 22 can be fixed on the carrier cable 20 by screwing the bolt and the nut, a screw 23 is hinged to the lower end of the hanging seat 22, the connection mode that the screw 23 is hinged to the hanging seat 22 can avoid the influence of thermal expansion and cold contraction of the contact wire 13 on the screw 23, a rotating rod 24 is connected to the screw 23 in a meshing manner, the rotating rod 24 can be moved up and down along the screw 23 by rotating the rotating rod 24, a base 25 is rotatably connected to the lower end of the rotating rod 24, the base 25 can be prevented from rotating along the rotating rod 24 when the rotating rod 24 is rotated, a first wire clamp 26 is fixedly connected to the lower end surface of the base 25, a second wire clamp 27 is fixedly mounted on the first wire clamp 26 through a bolt and a nut, the first wire clamp 26 and the second wire clamp 27 are matched with each other and clamp a wire slot on the contact wire 13, and the bolt and the nut are screwed, the first wire clamp 26 and the second wire clamp 27 can clamp the contact wire 13;

the hanging seat 22 is fixed on the carrier cable 20, the contact line 13 is clamped by the first line clamp 26 and the second line clamp 27, the contact line 13 can be hung below the carrier cable 20, so that under the condition that the supporting columns 1 are not added in each span, the hanging points of the contact line 13 are increased, the sag and elasticity of the contact line 13 are improved, the working quality of the contact line 13 is improved, and meanwhile, the height of the contact line 13 from the railway line can be adjusted by rotating the rotating rod 24, so that the technical requirements are met.

Specifically, the upper end of the sliding frame 6 is engaged with a locking bolt 28, when the connecting line between the two struts 1 is not parallel to the railway line, the sliding frame 6 can be slid along the positioning rod 4, so as to ensure that the contact line 13 is parallel to the railway line, which is convenient for the electric locomotive to run, and the position of the sliding frame 6 can be fixed by screwing the locking bolt 28.

Specifically, rod-type insulators 29 are arranged at the ends of the flat cantilever 2 and the inclined cantilever 3 close to the support 1, so that good insulation is formed among the flat cantilever 2, the inclined cantilever 3 and the support 1, and safety is improved.

The working principle is as follows: in the installation, as shown in fig. 3, a contact line 13 is clamped by using the fixed wire clamp 11 and the movable wire clamp 12 at the lower end of the fixed plate 7, and then the sliding plate 9 is pulled to the right for a certain distance, so that the spring 10 forms a pulling force on the sliding plate 9, the other contact wire 13 is clamped by using the fixed wire clamp 11 and the movable wire clamp 12 at the lower end of the sliding plate 9, and the two contact wires 13 are overlapped with each other for a part, when the weather becomes hot, the contact line 13 is heated to be lengthened, the spring 10 can pull the sliding plate 9 leftwards, the sliding plate 9 can pull the contact line 13 clamped at the lower end of the sliding plate to move leftwards, the contact line 13 does not have looseness, the contact line is always kept in a tight state, when the weather becomes cold, the contact wire 13 is cooled and contracted, the contact wire 13 clamped at the lower end of the sliding plate 9 overcomes the elastic force of the spring 10 to pull the sliding plate 9 rightwards, and therefore the contracted contact wire 13 is prevented from being broken;

the messenger wire 20 extends into the locking cavity 18 from the right end of the locking block 16, the messenger wire 20 bypasses the extrusion block 21 along the limiting groove 19 and then extends out from the right end of the locking block 16, at the moment, one end of the messenger wire 20 in the fig. 5, which is positioned below, is pulled rightwards, the messenger wire 20 drives the extrusion block 21 to move rightwards, and the messenger wire 20 is extruded to the upper side wall and the lower side wall of the locking cavity 18 by the extrusion block 21 because the right end of the locking cavity 18 and the extrusion block 21 are narrower than the left end, so that the messenger wire 20 and the locking block 16 can be firmly connected;

the contact wire 13 is suspended below the messenger wire 20 by fixing the hanger 22 to the messenger wire 20 and clamping the contact wire 13 using the first 26 and second 27 clamps, thereby increasing the point of suspension of the contact wire 13 without adding a strut 1 in each span.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a contact net suspended structure with compensation structure, includes pillar (1), install flat cantilever (2) on pillar (1), the oblique cantilever (3) of lower extreme fixedly connected with of flat cantilever (2), the one end of keeping away from flat cantilever (2) to one side cantilever (3) also installs fixedly with pillar (1), its characterized in that: a positioning rod (4) is fixedly connected to the inclined cantilever (3), one end of the positioning rod (4) far away from the inclined cantilever (3) is connected with the flat cantilever (2) through a connecting rod (5), a sliding frame (6) is connected to the positioning rod (4) in a sliding manner, a fixed plate (7) is fixedly connected to the lower end face of the sliding frame (6), a sliding rod (8) is fixedly connected to the side wall of the fixed plate (7), one end of the sliding rod (8) far away from the fixed plate (7) is fixedly connected with the lower end face of the sliding frame (6), a sliding plate (9) is connected to the sliding rod (8) in a sliding manner, the sliding plate (9) is connected with the fixed plate (7) through a spring (10), fixed wire clamps (11) are fixedly connected to the lower end faces of the fixed plate (7) and the sliding plate (9), and movable wire clamps (12) are fixedly installed on the fixed wire clamps (11) through bolts and nuts, the fixed wire clamp (11) and the movable wire clamp (12) are matched with each other and clamp a wire groove on the contact wire (13).

2. The overhead line system suspension structure with the compensation structure of claim 1, wherein: be equipped with couple (14) on flat cantilever (2), couple (14) are fixed with sealing member (15) through the bolt and nut installation, couple (14) and sealing member (15) are mutually supported and carry out the centre gripping to flat cantilever (2), the both ends of couple (14) all are equipped with latch segment (16), one end fixedly connected with link (17) that latch segment (16) are close to couple (14), latch segment (16) are through link (17) and couple (14) interconnect, it has locking chamber (18) to open in latch segment (16), it has extrusion piece (21) that can lock carrier cable (20) to peg graft in locking chamber (18), it has restriction groove (19) to open on the lateral wall of extrusion piece (21).

3. The overhead line system suspension structure with the compensation structure of claim 2, wherein: install hanger bracket (22) through bolt and nut on messenger wire (20), the lower extreme of hanger bracket (22) articulates there is screw rod (23), meshing is connected with bull stick (24) on screw rod (23), the lower extreme swivelling joint of bull stick (24) has base (25), fixedly connected with first fastener (26) on the lower terminal surface of base (25), first fastener (26) are fixed with second fastener (27) through the bolt and nut installation, first fastener (26) and second fastener (27) mutually support and carry out the centre gripping to the wire casing on contact wire (13).

4. The overhead line system suspension structure with the compensation structure of claim 1, wherein: the upper end of the sliding frame (6) is engaged and connected with a locking bolt (28).

5. The overhead line system suspension structure with the compensation structure of claim 1, wherein: and rod-type insulators (29) are arranged at one ends of the flat cantilever (2) and the inclined cantilever (3) close to the support column (1).

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