CN111355203A

CN111355203A - Power transmission line phase-to-phase spacer and connecting structure thereof

Info

Publication number: CN111355203A
Application number: CN202010285415.3A
Authority: CN
Inventors: 沈梦然; 沈文齐
Original assignee: Bengbu Puyuan Electric Technology Co ltd
Current assignee: ZHEJIANG TAICHANG INDUSTRY Co.,Ltd.
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-06-30
Anticipated expiration: 2040-04-13
Also published as: CN111355203B

Abstract

The invention discloses a power transmission line phase-to-phase spacer and a connecting structure thereof, which comprise an upper phase-to-phase spacer and a lower phase-to-phase spacer, wherein the inner side surfaces of a fixed wire clamp gland and a movable wire clamp gland are respectively provided with an elastic cushion layer, and the elastic cushion layers are respectively provided with a supporting bulge and an anti-blocking piece; a ring is fixedly arranged on the lower interphase spacer, a wind gathering pipe is communicated with the horn cover, and an air outlet of the wind gathering pipe is arranged corresponding to a gap between the cable and the elastic cushion layer; the multi-group clamping grooves are formed in the upper portion interphase spacers and the lower portion interphase spacers, clamping rods are fixedly arranged in the clamping grooves, and clamping rod protrusions are fixedly arranged on the clamping rods. The invention provides a power transmission line phase-to-phase spacer, which can realize the installation and adjustment of different support lengths and different positions, can avoid the influence on the rotation of a cable after blockage, is more durable and has high installation efficiency, and also provides a connection structure of the power transmission line phase-to-phase spacer, which is convenient and efficient to use.

Description

Power transmission line phase-to-phase spacer and connecting structure thereof

Technical Field

The invention relates to the technical field of interphase spacers, in particular to an interphase spacer for a power transmission line and a connection structure of the interphase spacer.

Background

In the prior art, the transmission line conductor shock absorption anti-galloping phase-to-phase spacer with the application number of '201710890179.6' comprises a composite insulator and a sub-conductor spacer movably connected with the two ends of the composite insulator through a hardware fitting, an adjustable connecting mechanism is connected between the hardware fitting and the sub-conductor spacer, the sub-conductor spacer comprises a spacer frame body, and a rotary damping wire clamp and a fixed damping wire clamp which are arranged on the spacer frame body, the fixed damping wire clamp comprises an outer wire clamp and an inner wire clamp arranged in the outer wire clamp, the inner wire clamp comprises an inner wire clamp body and torsional damping pieces arranged at the two ends of the inner wire clamp body, the transmission line conductor shock absorption anti-galloping phase-to-phase spacer effectively solves the problem that stress concentration easily occurs at the outlet of the fixed damping wire clamp, reduces the wear of a conductor and a wire clamp, and has a simple structure of the adjustable connecting mechanism which is adopted, the installation is easy.

However, the method still has the obvious defects in the using process: 1. the number of the phase-to-phase spacers and the number of the wire clamps in the device are fixed, the number of the sub-conductors in different use places are different, the device also needs to be subjected to die sinking setting respectively, and the application range is narrow; 2. the adjusting operation of the device is complex, the opening end of the U-shaped plate needs to be adjusted to be arranged in the positioning hole according to the interphase distance of the installation position of the interphase spacing rod, then the rack II on the adjusting plate is meshed with the rack I on the U-shaped plate, and finally the limiting pin is fixed in the limiting hole, so that the device wastes time and labor and affects the installation efficiency; 3. the device adopts the fixed damping wire clamp, although the cooperation of the damping spring and the torsion shell provides an energy release way for the torsion of the lead, after the device is used for a long time, the installation gap of the lead is easily blocked by dust and other impurities, so that the lead can not be subjected to torsion adaptation, the lead is easily subjected to rigid torsion damage during ice coating and waving, and potential safety hazards exist.

Disclosure of Invention

The invention aims to provide a power transmission line interphase spacer and a connecting structure thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a power transmission line phase-to-phase spacer comprises an upper phase-to-phase spacer and a lower phase-to-phase spacer, wherein a fixed wire clamp gland is arranged at the top of the upper phase-to-phase spacer, a movable wire clamp gland is hinged to one end of the fixed wire clamp gland through a pin shaft, elastic cushion layers are arranged on the inner side surfaces of the fixed wire clamp gland and the movable wire clamp gland respectively, a supporting bulge and an anti-blocking piece are arranged on each elastic cushion layer, threaded holes are formed in the fixed wire clamp gland and the movable wire clamp gland respectively, threaded rods are arranged in the threaded holes in a threaded manner, nuts are arranged on the threaded rods in a threaded manner and are tightly attached to the outer wall of the fixed wire clamp gland, and cables are arranged between inner cavities;

a ring is fixedly arranged on the lower interphase spacer, a plurality of fixed blocks are fixedly arranged on the ring, a horn cover is fixedly arranged on the fixed blocks, a wind gathering pipe is communicated with the horn cover, and a wind outlet of the wind gathering pipe is arranged corresponding to a gap between the cable and the elastic cushion layer;

the multi-group clamping grooves are formed in the upper portion interphase spacers and the lower portion interphase spacers, elastic anti-skidding tip ends I are arranged in the clamping grooves, clamping rods are fixedly arranged in the clamping grooves, and clamping rod protrusions are fixedly arranged on the clamping rods.

Preferably, the outer sides of the upper and lower phase spacers are provided with insulating sheds.

Preferably, the height of the support protrusion is greater than that of the blocking-preventing member.

Preferably, the anti-blocking piece is a triangular body and the cross section of the anti-blocking piece is triangular.

Preferably, the clamping rod and the clamping rod protrusion are integrally formed.

Preferably, the upper and lower ends of the upper interphase spacer are respectively and fixedly provided with an interphase spacer mounting rod, the interphase spacer mounting rod is provided with a mounting rod protrusion in an integrated manner, the lower interphase spacer is provided with a mounting inner groove corresponding to the interphase spacer mounting rod, and the mounting inner groove is internally and fixedly provided with a limiting protrusion.

The utility model provides a connection structure, includes the above-mentioned power transmission line alternate conductor spacer, still includes the go-between, the go-between sets up between upper portion alternate conductor spacer and lower part alternate conductor spacer, be provided with the most advanced two of elasticity antiskid on the go-between, first ring groove and second ring groove have been seted up respectively to the both sides of go-between, all fixed being provided with in first ring groove and the second ring groove with the protruding location bellying ring that matches the use of kelly, the protruding total four groups of location bellying ring just fix respectively on the major diameter cell wall and the minor diameter cell wall in first ring groove, second ring groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the upper phase spacer and the lower phase spacer in the device need to be correspondingly clamped and embedded together when in use, different support lengths of the phase spacers can be adjusted according to different clamping groove selections clamped and embedded on the connecting ring, and different positions of the phase spacers can be adjusted steplessly according to different positions clamped and embedded on the connecting ring, so that the device is wider in application range, simple and firm in installation process due to the clamping and embedding mode, free of using structures such as screws and bolts, time-saving and labor-saving in installation and higher in efficiency;

2. the cable clamp structure of the device is provided with the elastic cushion layer, the elastic cushion layer is provided with the supporting bulges and the anti-blocking pieces, and the height of the supporting bulges is greater than that of the anti-blocking pieces, so that the cable is arranged on the supporting bulges, a certain torsion room is provided, and the cable is prevented from being damaged due to untwistable fixed connection during ice coating and waving;

3. the anti-blocking plug part of the device is a triangular body, the cross section of the anti-blocking plug part is triangular, the acting surface is narrow linear, the accumulation of impurities such as falling leaves can be prevented, the self-falling of the impurities is promoted, a ring is fixedly arranged on a lower alternate spacer, a horn cover and an air gathering pipe are arranged on the ring, and an air outlet of the air gathering pipe is arranged corresponding to a gap between a cable and an elastic cushion layer, so that after wind passing through the horn cover is gathered and accelerated in the air gathering pipe, greater wind power is formed, the impurities in the gap between the cable and the elastic cushion layer are blown down, the rotation of the cable is prevented from being influenced after blocking, natural energy is effectively utilized, manual cleaning is not needed, and the use is convenient;

4. the alternate conductor spacer of this device installs and uses on the go-between, for detachable connection, consequently can select the alternate conductor spacer of different quantity as required to install and use, and is more nimble, and the go-between provides a fixed frame moreover for effort on a plurality of alternate conductor spacers can obtain the dispersion, and is whole more stable, durable.

The invention provides the power transmission line phase-to-phase spacer, which can realize the installation and adjustment of different support lengths and different positions, can avoid influencing the rotation of a cable after being blocked, is more durable and efficient in installation, and also provides the connection structure of the power transmission line phase-to-phase spacer, is convenient to use and is very worthy of popularization.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is an exploded view of the upper phase-to-phase spacer, the connecting ring and the lower phase-to-phase spacer of the present invention;

FIG. 4 is a schematic view of an anti-clog of the present invention;

fig. 5 is a schematic view of the installation position of the horn cover on the ring of the present invention.

In the figure: 1 upper portion alternate conductor spacer, 2 lower part alternate conductor spacers, 3 insulating full skirt, 4 fixed fastener gland, 5 round pins, 6 activity fastener gland, 7 elastic cushion layer, 8 support protruding, 9 prevent stifled plug member, 10 screw holes, 11 threaded rods, 12 nuts, 13 cables, 14 rings, 15 fixed blocks, 16 loudspeaker covers, 17 gather the tuber pipe, 18 draw-in grooves, 19 elasticity antiskid most advanced one, 20 kellies, 21 kellies are protruding, 22 alternate conductor spacer installation pole, 23 installation pole is protruding, 24 installation inner groovies, 25 spacing arch, 26 go-between, 27 elasticity antiskid most advanced two, 28 first ring groove, 29 second ring groove, 30 location bulge loop.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a power transmission line phase-to-phase spacer comprises an upper phase-to-phase spacer 1 and a lower phase-to-phase spacer 2 which need to be clamped and buckled in a set when in use, the top of the upper phase-to-phase spacer 1 is provided with a fixed wire clamp gland 4, one end of the fixed wire clamp gland 4 is hinged with a movable wire clamp gland 6 through a pin shaft 5, the movable wire clamp gland 6 can be opened and rotated, the inner side surfaces of the fixed wire clamp gland 4 and the movable wire clamp gland 6 are both provided with an elastic cushion 7, the elastic cushion 7 is both provided with a supporting bulge 8 and an anti-blocking plug 9, the fixed wire clamp gland 4 and the movable wire clamp gland 6 are both provided with a threaded hole 10, a threaded rod 11 is arranged in the threaded hole 10 in a thread way, a nut 12 is arranged on the, the cable clamp is used for fixing the fixed cable clamp gland 4 and the movable cable clamp gland 6 together, and a cable 13 is arranged between an inner cavity defined by the fixed cable clamp gland 4 and the movable cable clamp gland 6.

Fixed ring 14 that is provided with on the alternate conductor spacer 2 of lower part, the diameter of ring 14 is greater than the inner chamber diameter that fixed fastener gland 4 and movable fastener gland 6 enclose, the fixed a plurality of fixed blocks 15 that are provided with on the ring 14, the fixed loudspeaker cover 16 that is provided with on the fixed block 15, the intercommunication is provided with the wind gathering pipe 17 on the loudspeaker cover 16, because the internal diameter of loudspeaker cover 16 to wind gathering pipe 17 air outlet reduces in proper order, consequently can form the canyon effect, make the wind speed increase of wind gathering pipe 17 air outlet department, the air outlet of wind gathering pipe 17 is corresponding to the space department setting between cable 13 and the elastic cushion layer 7, can blow off the impurity etc. that are detained in the space and remove dust.

The upper portion alternate conductor spacer 1 and the lower portion alternate conductor spacer 2 are provided with a plurality of groups of clamping grooves 18, the clamping grooves 18 are provided with elastic anti-skidding tip ends 19, clamping rods 20 are fixedly arranged in the clamping grooves 18, and clamping rod protrusions 21 are fixedly arranged on the clamping rods 20.

Preferably, the insulating sheds 3 are arranged on the outer sides of the upper interphase spacers 1 and the lower interphase spacers 2, and the creepage distance is increased and the safety is improved due to the arrangement of the insulating sheds 3.

Preferably, the height of the support protrusion 8 is greater than the height of the anti-clogging member 9, preventing the cable 13 from directly contacting the anti-clogging member 9, causing damage.

Preferably, the plug 9 has a triangular shape in cross section, so that the force application surface is a narrow linear shape, and the deposition of impurities such as fallen leaves can be prevented to promote the self-falling of the impurities.

Preferably, the catch bar 20 and the catch bar projection 21 are integrally formed, improving the overall stability of the device.

Preferably, the upper and lower ends of the upper interphase spacer 1 are respectively and fixedly provided with the interphase spacer mounting rod 22, the interphase spacer mounting rod 22 is provided with the mounting rod protrusion 23 in an integrated manner, the lower interphase spacer 2 is provided with the mounting inner groove 24 corresponding to the interphase spacer mounting rod 22, the mounting inner groove 24 is internally and fixedly provided with the limiting protrusion 25, the mounting rod protrusion 23 on the interphase spacer mounting rod 22 and the limiting protrusion 25 in the mounting inner groove 24 are clamped and embedded to form a balance, and therefore the upper interphase spacer 1 and the lower interphase spacer 2 are fixed.

The utility model provides a connection structure, including the alternate conductor spacer of above-mentioned transmission line, still include go-between 26, go-between 26 sets up between the alternate conductor spacer of upper portion 1 and the alternate conductor spacer 2 of lower part, be provided with elasticity antiskid pointed end two 27 on the go-between 26, and the most advanced 19 phase-matchs of elasticity antiskid, spacing fixed from this, first ring groove 28 and second ring groove 29 have been seted up respectively to the both sides of go-between 26, all fixed being provided with in first ring groove 28 and the second ring groove 29 with the protruding 21 matching of kelly location bulge loop 30 that use, location bulge loop 30 is total four groups and fixes respectively on first ring groove 28, the major diameter cell wall and the minor diameter cell wall of second ring groove 29, in order to realize the fixed mounting of the alternate conductor spacer of upper portion 1 and the alternate conductor spacer 2 of lower part on go-between 26.

The working principle is as follows: during installation, the upper interphase spacers 1 and the lower interphase spacers 2 with corresponding quantity can be selected as required, then the clamping grooves 18 at the proper positions on the upper interphase spacers 1 are aligned to the proper positions of the connecting rings 26 according to the height and the specific positions of the cables 13, so that the clamping rods 20 on the clamping grooves 18 are inserted into the first circular grooves 28 on the connecting rings 26, the upper interphase spacers 1 are pushed, the clamping rod protrusions 21 on the clamping rods 20 are clamped in the positioning protrusion rings 30 in the first circular grooves 28, and therefore supporting height positioning and inclined position positioning of the whole interphase spacers are achieved at the same time; then, the cable 13 passes through the ring 14, and the lower interphase spacer 2 is pushed, so that the clamping rod 20 in the corresponding clamping groove 18 in the lower interphase spacer 2 is inserted into the second ring groove 29 until the clamping rod protrusion 21 on the clamping rod 20 is clamped in the positioning protrusion ring 30 of the second ring groove 29, thereby realizing the installation of the lower interphase spacer 2 on the connecting ring 26; at the moment, the mounting rod bulge 23 on the mounting rod 22 of the phase spacer in the upper phase spacer 1 and the limiting bulge 25 in the mounting inner groove 24 of the lower phase spacer 2 are mutually clamped and embedded to balance, so that the upper phase spacer 1 and the lower phase spacer 2 are mounted in a matched mode; finally, the cable passing through the circular ring 14 is placed in the fixed wire clamp gland 4, the movable wire clamp gland 6 is rotated to a closed state around the pin shaft 5, the threaded holes 10 in the movable wire clamp gland 6 and the fixed wire clamp gland 4 are screwed into the threaded rod 11, and finally the nut 12 is screwed onto the threaded rod 11, so that the movable wire clamp gland 6 and the fixed wire clamp gland 4 are fixed, and the cable 13 is positioned.

In the use, the cable 13 is placed between the support protrusion 8 on the elastic cushion layer 7, therefore the cable 13 is icing, can take place the minor amplitude and twist reverse when waving, avoid the rigidity fixed torsional fracture that causes, and the fixed ring 14 that is provided with on the alternate conductor spacer 2 of lower part, the fixed a plurality of loudspeaker covers 16 and the wind-gathering pipe 17 that is provided with on the ring 14, because the internal diameter of loudspeaker cover 16 to the wind-gathering pipe 17 air outlet reduces in proper order, consequently can form the canyon effect, make the wind speed increase of wind-gathering pipe 17 air outlet department, the air outlet of wind-gathering pipe 17 sets up corresponding to the space between cable 13 and elastic cushion layer 7, can blow off the dust removal with the impurity etc. that are detained in the space, guarantee that the space of twisting of cable 13 can not blockked up by impurity after long-term use, effectively utilize the natural energy, need not artifical clearance, the installation is simple.

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

1. The utility model provides a transmission line alternate conductor spacer, includes upper portion alternate conductor spacer (1) and lower part alternate conductor spacer (2), its characterized in that: the top of the upper interphase spacer (1) is provided with a fixed wire clamp gland (4), one end of the fixed wire clamp gland (4) is hinged with a movable wire clamp gland (6) through a pin shaft (5), the inner side surfaces of the fixed wire clamp gland (4) and the movable wire clamp gland (6) are respectively provided with an elastic cushion layer (7), the elastic cushion layer (7) is provided with a supporting bulge (8) and an anti-blocking piece (9), the fixed wire clamp gland (4) and the movable wire clamp gland (6) are both provided with threaded holes (10), a threaded rod (11) is arranged in the threaded hole (10) in a threaded manner, a nut (12) is arranged on the threaded rod (11) in a threaded manner, the nut (12) is tightly attached to the outer wall of the fixed wire clamp gland (4), and a cable (13) is arranged between an inner cavity defined by the fixed wire clamp gland (4) and the movable wire clamp gland (6);

a ring (14) is fixedly arranged on the lower interphase spacer (2), a plurality of fixed blocks (15) are fixedly arranged on the ring (14), a horn cover (16) is fixedly arranged on each fixed block (15), a wind gathering pipe (17) is communicated with each horn cover (16), and a wind outlet of each wind gathering pipe (17) is arranged corresponding to a gap between the cable (13) and the elastic cushion layer (7);

the multi-group clamping grooves (18) are formed in the upper portion alternate spacing rods (1) and the lower portion alternate spacing rods (2), elastic anti-skidding tip ends (19) are arranged in the clamping grooves (18), clamping rods (20) are fixedly arranged in the clamping grooves (18), and clamping rod protrusions (21) are fixedly arranged on the clamping rods (20).

2. A power transmission line phase-to-phase spacer according to claim 1, characterized in that: and insulating sheds (3) are arranged on the outer sides of the upper interphase spacers (1) and the lower interphase spacers (2).

3. A power transmission line phase-to-phase spacer according to claim 1, characterized in that: the height of the supporting bulge (8) is greater than that of the anti-blocking piece (9).

4. A power transmission line phase-to-phase spacer according to claim 1, characterized in that: the anti-blocking piece (9) is a triangular body, and the cross section of the anti-blocking piece is triangular.

5. A power transmission line phase-to-phase spacer according to claim 1, characterized in that: the clamping rod (20) and the clamping rod protrusion (21) are integrally formed.

6. A power transmission line phase-to-phase spacer according to claim 1, characterized in that: the upper and lower end of the alternate conductor spacer of upper portion (1) is fixed respectively and is provided with alternate conductor spacer installation pole (22), integrated into one piece is provided with installation pole arch (23) on alternate conductor spacer installation pole (22) of lower part, corresponding alternate conductor spacer installation pole (22) has been seted up on alternate conductor spacer of lower part (2) installation inner groovy (24), fixed spacing arch (25) that is provided with in installation inner groovy (24).

7. A connecting structure characterized in that: the power transmission line phase-to-phase spacer as claimed in any one of claims 1 to 6, further comprising a connecting ring (26), wherein the connecting ring (26) is arranged between the upper phase-to-phase spacer (1) and the lower phase-to-phase spacer (2), the connecting ring (26) is provided with a second elastic and anti-slip tip (27), two sides of the connecting ring (26) are respectively provided with a first circular groove (28) and a second circular groove (29), the first circular groove (28) and the second circular groove (29) are respectively and fixedly provided with positioning raised rings (30) matched with the clamping rod protrusions (21), and the positioning raised rings (30) are divided into four groups and respectively fixed on the major diameter groove wall and the minor diameter groove wall of the first circular groove (28) and the second circular groove (29).