CN209786744U

CN209786744U - Contact net wire spacer with adjustable distance

Info

Publication number: CN209786744U
Application number: CN201920674503.5U
Authority: CN
Inventors: 郭安平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2019-12-13
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a distance-adjustable contact net wire spacing device, which comprises a pulley assembly, an insulating spacer bar and a clamping cylinder, wherein the pulley assembly and the clamping cylinder are arranged at two ends of the insulating spacer bar; the slot sets up on four angles of fixed frame, the slot sets up perpendicularly with fixed frame's central opening direction, and the slot includes upper end slot and lower extreme slot, the centre of a circle position of recess wheel is provided with the through-hole that runs through the recess wheel, fixed frame and recess wheel pass through the stay bolt and fix together, the stay bolt is fixed and is locked through 2 nuts.

Description

Contact net wire spacer with adjustable distance

Technical Field

the utility model relates to an electronic railway power supply technique, especially a contact net wire spacer with adjustable distance.

Background

with the rapid development of the rail transit industry in China, various products matched with the rail transit industry need to be updated and upgraded, and in a power supply contact network of a railway, the contact network is located outdoors for a long time and can be influenced by outdoor weather and temperature, and the tension of the contact network can be changed in different seasons.

The contact net is blown down at external wind-force for a long time, thereby can take place wind deflection and lead to the insulating distance not enough, and influence the operation of vehicle to conventional fixed spacer exists and can not extend, inconvenient regulation safe distance's problem and the line of different materials rises differently under the temperature of difference, and ordinary fixed spacer can take place to twist reverse easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a utility model aim at: to the above-mentioned problem, provide a contact net wire spacer with adjustable distance, solved the inconvenient problem of adjusting safe distance of ordinary fixed spacer and the line of different materials under the temperature of difference rises differently, can take place torsional problem easily.

A distance-adjustable contact net lead spacing device comprises a pulley assembly, an insulating spacer and a clamping cylinder, wherein the pulley assembly and the clamping cylinder are arranged at two ends of the insulating spacer, and the pulley assembly comprises a fixed frame, a long hole groove, a groove wheel, a connecting plate, a hinge rod, a connecting spring and a bolt ring; the slot sets up on four angles of fixed frame, the slot sets up perpendicularly with fixed frame's central opening direction, and the slot includes upper end slot and lower extreme slot, the centre of a circle position of recess wheel is provided with the through-hole that runs through the recess wheel, fixed frame and recess wheel pass through the stay bolt and fix together, the stay bolt is fixed and is locked through 2 nuts.

Preferably, the connecting plate comprises an upper connecting plate and a lower connecting plate, the upper connecting plate is arranged at the upper end of the upper long hole groove and fixedly connected with the fixed frame, the lower connecting plate is arranged at the lower end of the lower long hole groove, and the lower long hole groove is fixedly connected with the fixed frame.

As preferred, all be provided with the connecting ear seat on the connecting plate, the connecting ear seat sets up and is being close to the slot side, the hinge rod is articulated with the connecting ear seat, and the hinge rod can be around connecting ear seat enterprising line rotation in vertical direction, the hinge rod is kept away from connecting ear seat end and is provided with the long cylinder, long cylinder and hinge rod fixed connection, coupling spring sets up in the long cylinder, coupling spring one end and hinge rod fixed connection, and the other end is connected with the bolt circle, coupling spring's length is not less than the length of long cylinder.

Preferably, the inner ring side of the bolt ring is provided with anti-skid rubber, the cross section of the anti-skid rubber is of an inverted trapezoidal structure, the anti-skid rubber on the side close to the long bolt and the screw is thin, the anti-skid rubber on the side far away from the bolt is thick,

Preferably, a plurality of circles of raised rings are arranged on the contact inclined plane of the anti-skid rubber and the long screw rod, the raised rings are uniformly arranged along the inclined plane, and the thickness of the raised rings is smaller than that of the raised rings and that of the threads.

Preferably, a lower support lug is arranged at one end below the fixed frame, the insulating spacer is hinged with the lower support lug, and the insulating spacer can rotate in the horizontal direction.

Preferably, the insulating spacer comprises an insulating rod and an elongate member; the insulating rods are arranged at two ends of the extension assembly, the insulating rods are arranged to be two upper and two lower, and the insulating rods are hinged to the fixed frame and the clamping barrel respectively.

As preferred, the extension subassembly includes a joint section of thick bamboo, spacing groove, spacing colludes and blocks the piece, the spacing groove evenly sets up to a plurality ofly on a joint section of thick bamboo, and just every spacing groove leads to the groove through the center and communicates, the one end of insulator spindle is provided with the joint arch, the protruding highly diameter of being longer than a joint section of thick bamboo height of joint, the upper and lower both ends symmetry of every spacing groove is provided with spacing colluding and blocks the piece, spacing colluding is articulated with the outer wall of a joint section of thick bamboo.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a last four recess wheels that set up mutually, the joint that the wire of contact net is firm is lived, and rethread coupling spring extrudees the recess wheel to the center, can make the wire joint more firm in the recess wheel, makes to roll more smoothly to the line that can effectually avoid different materials to arouse expands differently, makes the line under different temperatures expand different also can steady operation.

2. The utility model discloses a with the protruding joint of joint to the spacing groove of difference to the whole length of insulator spindle about changing, after long-time wind blows the sun, the circuit epidermis carries out ageing extension, leads to the distance between two contact nets to shorten, can adjust spaced distance through extending the subassembly extension, makes positive feeder and protection line be the insulation distance safe all the time.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic side view of the connecting spring and bolt ring of the present invention;

FIG. 3 is a schematic structural view of the limiting groove and the limiting hook of the present invention;

Fig. 4 is a schematic side view of the fixing frame of the present invention;

FIG. 5 is a schematic top view of a bolt circle according to the present invention;

FIG. 6 is a schematic side view of the bolt ring of the present invention;

the labels in the figure are: 1. a sheave assembly; 2. an insulating spacer; 3. a clamping cylinder; 11. a fixed frame; 12. a slot with a long hole; 13. a groove wheel; 15. a hinged lever; 16. a connecting spring; 17. a bolt ring; 18. an upper connecting plate; 19. a lower connecting plate; 20. a slot with a long hole at the upper end; 21. a lower end long hole groove; 22. anti-skid rubber; 23. A clamping cylinder; 24. a limiting groove; 25. a limiting hook; 26. a blocking block; 27. and a nut.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1-6, a contact net wire spacing device with adjustable distance comprises a pulley assembly 1, an insulating spacer rod 2 and a clamping cylinder 3, wherein the pulley assembly 1 and the clamping cylinder 3 are arranged at two ends of the insulating spacer rod 2, the pulley assembly 1 inserts a wire of a contact net into the insulating spacer rod to slide, the insulating spacer rod 2 is used for effectively spacing the wires of the contact net, and the clamping cylinder 3 is used for clamping the wire of the contact net adjacent to the pulley assembly 1.

The pulley assembly 1 comprises a fixed frame 11, a long hole groove 12, a groove wheel 13, a connecting plate, a hinge rod 15, a connecting spring 16 and a bolt ring 17; the fixed frame 11 is in an I shape, the long hole grooves 12 are arranged at four corners of the fixed frame 11, the long hole groove 12 is vertically arranged with the central opening direction of the fixed frame 11, the long hole groove 12 comprises an upper end long hole groove 20 and a lower end long hole groove 21, the section of the groove wheel 13 is in an I shape, a through hole penetrating through the groove wheel 13 is arranged at the circle center of the groove wheel 13, the fixed frame 11 and the grooved wheel 13 are fixed together by means of long bolts, which are fixed and locked by means of 2 nuts 27, the first nut 27 fixes the fixed frame 11 and the grooved wheel 13 in distance, but not locked, the second bolt is locked by the thread between the first bolt and the second bolt, that is, the first nut 27 can only fix the distance, and the second nut 27 can only lock the bolt, so that the bolt can freely slide in the slot 12.

The connecting plates comprise upper connecting plates 18 and lower connecting plates 19, the upper connecting plates 18 are arranged at the upper end parts of the upper end long hole grooves 20, the upper connecting plates 18 are fixedly connected with the fixed frame 11, the lower connecting plates 19 are arranged at the lower end parts of the lower end long hole grooves 21, and the lower end long hole grooves 21 are fixedly connected with the fixed frame 11.

All be provided with the connection ear seat on the connecting plate, the connection ear seat sets up and is being close to the 12 sides in slotted hole groove, hinge rod 15 is articulated with the connection ear seat, and hinge rod 15 can rotate on vertical direction around the connection ear seat, hinge rod 15 is kept away from connection ear seat end and is provided with the long cylinder, long cylinder and 15 fixed connection of hinge rod, coupling spring 16 sets up in the long cylinder, coupling spring 16 one end and 15 fixed connection of hinge rod, and the other end is connected with bolt circle 17, coupling spring 16's length is not less than the length of long cylinder.

The bolt ring 17 can be clamped into the long bolt through the vertical rotation of the hinged rod 15, the spring is in a compressed state at the moment, the groove wheel 13 moves towards the center side of the fixed frame 11, the lead can penetrate more stably, the occurrence of the derailment of the lead is reduced, the long cylinder can limit the contraction path of the spring, and the spring is prevented from being damaged due to compression.

The inner circle side of bolt circle 17 is provided with anti-skidding rubber 22, anti-skidding rubber 22's cross-section is for falling the trapezium structure, and the anti-skidding rubber 22 who is close to long bolt screw side is thin, and the anti-skidding rubber 22 who keeps away from the screw side is thick, be provided with many rings of protruding circles on anti-skidding rubber 22 and the long screw contact inclined plane, protruding circle evenly sets up along the inclined plane, protruding circle be less than thickness and threaded thickness.

The anti-slip rubber 22 with the inverted trapezoid structure can enable the bolt ring 17 to be clamped into the long screw more conveniently and quickly, the raised ring on the inclined plane can be clamped with the screw thread on the screw, resistance is increased, and the situation that the bolt ring 17 is out of round when spring pressure is received is prevented.

Through the recess wheel 13 that four upper and lower opposite settings set up, the firm joint of wire with the contact net is lived, and rethread coupling spring 16 extrudees recess wheel 13 to the center, can make the wire joint more firm in recess wheel 13, makes to roll more smoothly to the line that can effectually avoid different materials to arouse expands differently, makes the line under different temperatures expand different also can steady operation.

A lower support lug is arranged at one end below the fixed frame 11, the insulating spacer 2 is hinged with the lower support lug, the insulating spacer 2 can rotate in the horizontal direction, and the insulating spacer 2 comprises an insulating rod and an extension component; the insulating rods are arranged at two ends of the extension assembly, the insulating rods are arranged to be two upper and two lower, and the insulating rods are hinged to the fixed frame 11 and the clamping barrel 3 respectively.

The extension component comprises a clamping cylinder 23, a limiting groove 24, a limiting hook 25 and a blocking block 26, wherein a plurality of limiting grooves 24 are uniformly arranged on the clamping cylinder 23, and each limit groove 24 is communicated through the central through groove, one end of the insulating rod is provided with a clamping bulge, the height of the clamping bulge is longer than the height diameter of the clamping cylinder 23, the clamping bulge can move in the limiting groove 24 and the central through groove, the upper end and the lower end of each limit groove 24 are symmetrically provided with a limit hook 25 and a stop block 26, the limit hook 25 is hinged with the outer wall of the clamping cylinder 23, when the clamping protrusion enters the required clamping groove, the limiting hooks 25 at the upper end and the lower end are clamped with the blocking block 26, the limiting hooks 25 limit the up-and-down movement of the clamping protrusion, different clamping protrusions are clamped into different limiting grooves 24, so that the overall length of the upper insulating rod and the lower insulating rod is changed.

after long-time wind blows and shines, the circuit epidermis carries out ageing extension, leads to the distance between two contact nets to shorten, can adjust the spaced distance through extension subassembly extension, makes positive feeder and protection line be the insulating distance that is safe all the time.

the above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a contact net wire spacer with adjustable distance which characterized in that: the insulating spacer bar comprises a pulley assembly, an insulating spacer bar and a clamping cylinder, wherein the pulley assembly and the clamping cylinder are arranged at two ends of the insulating spacer bar, and the pulley assembly comprises a fixed frame, a long hole groove, a groove wheel, a connecting plate, a hinge rod, a connecting spring and a bolt ring; the slot sets up on four angles of fixed frame, the slot sets up perpendicularly with fixed frame's central opening direction, and the slot includes upper end slot and lower extreme slot, the centre of a circle position of recess wheel is provided with the through-hole that runs through the recess wheel, fixed frame and recess wheel pass through the stay bolt and fix together, the stay bolt is fixed and is locked through 2 nuts.

2. The device for spacing the wires of the overhead line system with adjustable distance as claimed in claim 1, wherein: the connecting plate comprises an upper connecting plate and a lower connecting plate, the upper connecting plate is arranged at the upper end of the upper-end long hole groove and fixedly connected with the fixed frame, the lower connecting plate is arranged at the lower end of the lower-end long hole groove, and the lower-end long hole groove is fixedly connected with the fixed frame.

3. The device for spacing the wires of the overhead line system with adjustable distance as claimed in claim 2, wherein: all be provided with the connecting ear seat on the connecting plate, the connecting ear seat sets up and is being close to slot hole groove side, the hinge bar is articulated with the connecting ear seat, and the hinge bar can rotate on vertical direction around the connecting ear seat, the hinge bar is kept away from connecting ear seat end and is provided with the long cylinder, long cylinder and hinge bar fixed connection, coupling spring sets up in the long cylinder, coupling spring one end and hinge bar fixed connection, and the other end is connected with the bolt circle, coupling spring's length is not less than the length of long cylinder.

4. The device for spacing the wires of the contact net with adjustable distance as claimed in any one of claims 1 to 3, wherein: the anti-skidding rubber is arranged on the inner ring side of the bolt ring, the cross section of the anti-skidding rubber is of an inverted trapezoidal structure, the anti-skidding rubber close to the long bolt side is thin, and the anti-skidding rubber far away from the bolt side is thick.

5. The device for spacing the wires of the overhead line system with adjustable distance of claim 4, wherein: the anti-skid rubber is provided with a plurality of circles of raised rings on the contact inclined plane of the long screw rod, the raised rings are uniformly arranged along the inclined plane, and the thickness of the raised rings is smaller than that of the threads.

6. the device for spacing the wires of the overhead line system with adjustable distance of claim 4, wherein: one end under the fixed frame is provided with a lower support lug, the insulating spacer is hinged with the lower support lug, and the insulating spacer can rotate in the horizontal direction.

7. The device for spacing the wires of the overhead line system with adjustable distance of claim 4, wherein: the insulating spacer comprises an insulating rod and an extension component; the insulating rods are arranged at two ends of the extension assembly, the insulating rods are arranged to be two upper and two lower, and the insulating rods are hinged to the fixed frame and the clamping barrel respectively.

8. The device for spacing the wires of the overhead line system with adjustable distance of claim 7, wherein: the extension subassembly includes a joint section of thick bamboo, spacing groove, spacing colludes and blocks the piece, the spacing groove evenly sets up to a plurality ofly on a joint section of thick bamboo, and just every spacing groove leads to the groove through the center and communicates, the one end of insulator spindle is provided with the joint arch, the protruding highly is longer than a joint section of thick bamboo high diameter of joint, the upper and lower both ends symmetry of every spacing groove is provided with spacing colluding and blocks the piece, spacing colluding with the outer wall of a joint section of thick bamboo articulated.