CN105375393A - Protective bushing for cross pay-off of overhead line - Google Patents
Protective bushing for cross pay-off of overhead line Download PDFInfo
- Publication number
- CN105375393A CN105375393A CN201510894840.1A CN201510894840A CN105375393A CN 105375393 A CN105375393 A CN 105375393A CN 201510894840 A CN201510894840 A CN 201510894840A CN 105375393 A CN105375393 A CN 105375393A
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- CN
- China
- Prior art keywords
- limiting plate
- arc
- bushing pipe
- wire
- wire bushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a protective bushing for cross pay-off of an overhead line. The protective bushing for cross pay-off of the overhead line comprises a first arc-shaped plate with an arc-shaped groove and a second arc-shaped plate with an arc-shaped groove, wherein one side of the first arc-shaped plate is hinged with one side of the second arc-shaped plate; the other side of the first arc-shaped plate is detachably connected with the other side of the second arc-shaped plate; a first limiting plate and a second limiting plate, which keep a certain distance from each other, are arranged on the outer side wall of the first arc-shaped plate; a third limiting plate and a fourth limiting plate are arranged on the outer side wall of the second arc-shaped plate; the third limiting plate corresponds to the first limiting plate; the fourth limiting plate corresponds to the second limiting plate; when the sides of the first arc-shaped plate and the second arc-shaped plate are connected with each other to form the protective bushing, the arc-shaped grooves in the first arc-shaped plate and the second arc-shaped plate are spliced into a cable through hole for protecting a cable; the first limiting plate and the third limiting plate form an overall limiting plate; the second limiting plate and the fourth limiting plate form another overall limiting plate; and an upper layer of the line is paid off between the limiting plates, so that pay-off abrasion is reduced and moving of the line is avoided.
Description
Technical field
The present invention relates to electric power system corollary equipment technical field, be specifically related to a kind of overhead transmission line and cross over unwrapping wire wire bushing pipe.
Background technology
More and more faster in recent years along with electrical network business development, slowly cause some good overhead transmission line passages on ground fewer and feweri, thus make many overhead transmission lines now need when setting up to cross in the past from another circuit, namely meaning carries out leap line laying work.
At present, in the leap line laying work of overhead transmission line, the mode setting up crossing frame that adopts completes unwrapping wire operation more; But the building block of crossing frame is various, carrying crossing frame parts have also been assembled and have been needed at substantial manpower and materials and financial resources, and staff climbs crossing frame up and down, and to carry out work high above the ground also very dangerous.Another kind of unwrapping wire mode is then that the wire of the lower sandwich circuit that former erection is good or ground wire carry out upper layer circuit unwrapping wire, although this mode does not need carrying erection crossing frame, the very easy wire to lower sandwich circuit, ground wire cause heavy wear.
Summary of the invention
For solving the problems of the technologies described above, embodiments provide a kind of overhead transmission line and cross over unwrapping wire wire bushing pipe, technical scheme is as follows:
A kind of overhead transmission line crosses over unwrapping wire wire bushing pipe, described overhead transmission line is crossed over unwrapping wire wire bushing pipe and is comprised the first arc with deep-slotted chip breaker and the second arc, the side of described first arc and the side of the second arc hinged, the opposite side of described first arc and the opposite side of the second arc removably connect; The lateral wall of described first arc is provided with the first limiting plate and the second limiting plate that keep spacing, the lateral wall of described second arc is provided with three limiting plate corresponding with the first limiting plate and four limiting plate corresponding with the second limiting plate; When the side of described first arc and the second arc is connected to form wire bushing pipe; deep-slotted chip breaker on first arc and the second arc pieces together the cable through hole for the protection of cable; first limiting plate and the 3rd limiting plate form overall limiting plate in the circumference of wire bushing pipe, and the second limiting plate and the 4th limiting plate form overall limiting plate in the circumference of wire bushing pipe.
Further, the madial wall of described first arc and the second arc is respectively arranged with elastomer block holddown groove, in described elastomer block holddown groove, elastomer block is installed.
Further, described elastomer block holddown groove extends and both sides indent along the circumference of wire bushing pipe, and described elastomer block is T-shaped strip, and the wherein two ends of described elastomer block hold in the inner fovea part being fixed on described elastomer block holddown groove.
Further, described first limiting plate, the second limiting plate, the 3rd limiting plate and the 4th limiting plate are respectively arranged with lightening hole.
Further, described first limiting plate, the second limiting plate are respectively arranged with the corresponding card line opening communicated with lightening hole.
Further, described first limiting plate and the second limiting plate are separately installed with elastic plate near card line opening part, the keyed end of described elastic plate is fixed on the side of described card line opening, and the free end of described elastic plate extends to the opposite side of card line opening and seals card line opening.
Further, the free end of described elastic plate is provided with the trip bolt for being fastened on by elastic plate on the first limiting plate or the second limiting plate.
Further, the edge part of described first limiting plate and the second limiting plate, and the edge part of lightening hole on the first limiting plate and the second limiting plate respectively correspondence be provided with arc bundle wire casing.
Further, on the side removably connected of described first arc and the second arc, correspondence is provided with clamp nut respectively.
Further, the side of the close wire bushing tube end of described first limiting plate, the second limiting plate, the 3rd limiting plate and the 4th limiting plate is respectively arranged with stiffener, and described stiffener is fixed on the lateral wall of wire bushing pipe.
The beneficial effect of technical solution of the present invention is: by being provided with the first arc and second arc of deep-slotted chip breaker, and the hinged opposite side in the side of two pieces of arcs removably connects, during connection, two pieces of arc entirety form a wire bushing pipe, deep-slotted chip breaker on two pieces of arcs defines the cable through hole in wire bushing pipe, wire under this cable through hole is used in and places when crossing over unwrapping wire on sandwich circuit or ground wire, meaning is held in wire bushing pipe by the wire on lower sandwich circuit or ground clamp and protects, owing to the first arc being provided with the first limiting plate and the second limiting plate that keep spacing, second limiting plate is provided with corresponding the second limiting plate and the 4th limiting plate that keep spacing, after two arcs connect into wire bushing pipe, four limiting plates are combined into two groups of monoblock and carry out spacing limiting plate for wire bushing pipe circumference, cross in unwrapping wire process, the wire of upper layer circuit unwrapping wire or ground wire are placed in the gap between limiting plate, and separated by wire bushing pipe between lower floor's cable and can not cause wearing and tearing each other, and the cable of upper layer circuit is limited between limiting plate and can not collects together back and forth during unwrapping wire.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the open mode figure of the overhead transmission line leap unwrapping wire wire bushing pipe that the embodiment of the present invention provides;
Fig. 2 is the closure state figure that overhead transmission line crosses over unwrapping wire wire bushing pipe;
Fig. 3 is another open mode figure that overhead transmission line crosses over unwrapping wire wire bushing pipe;
Fig. 4 is the schematic cross-section that elastomer block is fixed in elastomer block holddown groove.
Wherein, Reference numeral is:
1, the first arc, the 2, second arc, the 3, first limiting plate, the 4, second limiting plate, 5, the 3rd limiting plate, the 6, the 4th limiting plate, 7, cable through hole, 8, elastomer block holddown groove, 8a, inner fovea part, 9, elastomer block, 10, lightening hole, 11, card line opening, 12, elastic plate, 12a, keyed end, 12b, free end, 13, trip bolt, 14, arc bundle wire casing, 15, clamp nut, 16, stiffener.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Fig. 1 ~ 4, the invention provides a kind of overhead transmission line and cross over unwrapping wire wire bushing pipe, this overhead transmission line leap unwrapping wire wire bushing pipe comprises the first arc 1 and the second arc 2 with deep-slotted chip breaker, wherein, the side of the first arc 1 and the side of the second arc 2 hinged, the opposite side of the first arc 1 and the opposite side of the second arc 2 removably connect; The lateral wall of the first arc 1 is provided with and keeps the first limiting plate 3 of spacing and the lateral wall of the second limiting plate 4, second arc 2 are provided with three limiting plate 5 corresponding with the first limiting plate 3 and four limiting plate 6 corresponding with the second limiting plate 4; When the side of the first arc 1 and the second arc 2 is connected to form wire bushing pipe; deep-slotted chip breaker on first arc 1 and the second arc 2 pieces together the cable through hole 7 for the protection of cable; first limiting plate 3 and the 3rd limiting plate 5 form overall limiting plate in the circumference of wire bushing pipe, and the second limiting plate 4 and the 4th limiting plate 6 form overall limiting plate in the circumference of wire bushing pipe.
Particularly, in the present embodiment, first arc 1 and the second arc 2 can be semicircular arc thin plates, deep-slotted chip breaker is the inner groovy of two pieces of arcs, wherein, the mode that the opposite side of the first arc 1 and the opposite side of the second arc 2 removably connect has multiple, such as snap close connects, be threaded, inserted block connection etc., first arc 1 and the closed rear formation wire bushing pipe of the second arc 2, lower floor's line conductor during leap unwrapping wire or ground wire are positioned in the cable through hole 7 in wire bushing pipe, upper layer circuit is then shelved on the arc lateral wall of wire bushing pipe, levels cable is not in contact with each other and does not have wearing and tearing, collect together back and forth on outside of sleeve wall for preventing upper layer circuit, in the present embodiment, being provided with multiple limiting plate carries out spacing to upper strata cable, wherein, gap between first limiting plate 3 and the second limiting plate 4 is the stopper slot placing cable, corresponding, gap between 3rd limiting plate 5 and the 4th limiting plate 6 is similarly the stopper slot placing cable, in the present embodiment, each limiting plate is all semicircle, first limiting plate 3 and the 3rd limiting plate 5 stagger, second limiting plate 4 and the 4th limiting plate 6 stagger, after two arcs are closed, first limiting plate 3, the overall limiting plate of edge's laminating formation similar round of the 3rd limiting plate 5, second limiting plate 4, 4th limiting plate 6 in like manner, four pieces of limiting plates constitute two pieces of overall limiting plates of similar round, even if wire bushing pipe rotates arbitrarily, these limiting plates all can form position-limiting action to upper strata cable.
Further, the madial wall of the first arc 1 and the second arc 2 is respectively arranged with elastomer block holddown groove 8, elastomer block 9 is installed in elastomer block holddown groove 8.
Particularly, the effect of elastomer block 9 is to form held tight effect to the cable in sleeve pipe, crossing over the later stage of unwrapping wire, wire bushing pipe needs to be positioned at some ad-hoc location, and internal surface of sleeve pipe is smooth easily slidably reciprocates after cable on cover, arranging of elastomer block 9 can at radial compaction cable also reverse stretching wire bushing pipe, elastomer block 9 can be rubber strip, there is larger frictional force, fix elastomer block 9 in installation and cable is locked wire bushing Guan Zhonghou, wire bushing pipe substantially can not slidably reciprocate under the effect of frictional force and internal pressure.
Further, elastomer block holddown groove 8 extends and both sides indent along the circumference of wire bushing pipe, and elastomer block 9 is T-shaped strip, and the wherein two ends of elastomer block 9 hold and are fixed in the inner fovea part 8a of elastomer block holddown groove 8.
Particularly, arranging of inner fovea part 8a can grip T-shaped elastomer block 9 better, because elastomer block 9 has elasticity, therefore can remove and install and be fixed in elastomer block holddown groove 8.
Further, the first limiting plate 3, second limiting plate 4, the 3rd limiting plate 5 and the 4th limiting plate 6 are respectively arranged with lightening hole 10.
Particularly, the setting of lightening hole 10, greatly can alleviate on the one hand the weight of whole wire bushing pipe, on the other hand the setting of multiple lightening hole 10, also makes whole wire bushing pipe defines multiplely to be beneficial to hand-held hole, is convenient for carrying.
Further, the first limiting plate 3, second limiting plate 4 is respectively arranged with the corresponding card line opening 11 communicated with lightening hole 10.
Particularly, the size preferably less setting of card line opening 11, card line opening 11 be arranged so that the edge of lightening hole 10 forms a breach, can other cables be snapped in lightening hole 10 through card line opening 11 place in unwrapping wire process, be convenient to arrange the arrangement of multiple cable, improve installation work efficiency.
Further, wherein in a kind of implementation, first limiting plate 3 and the second limiting plate 4 are separately installed with elastic plate 12 near card line opening 11 place, the keyed end 12a of elastic plate 12 is fixed on the side of card line opening 11, and the free end 12b of elastic plate 12 extends to the opposite side of card line opening 11 and seals card line opening 11.The free end 12b of elastic plate 12 is provided with the trip bolt 13 for being fastened on by elastic plate 12 on first limiting plate 3 or the second limiting plate 4.
Particularly, in this implementation, card line opening 11 place can be controlled to open or close by elastic plate 12, be elastic article due to elastic plate 12 and seal card line opening 11, the free end breaking elastic plate 12 into two with one's hands can open card line opening 11, by cable or other rope tools from after card line opening 11 snaps in lightening hole 10, the free end unclamping elastic plate 12 just can seal card line opening 11; The setting of trip bolt 13 is the free end of locked elastic plate 12, prevents from snapping in the cable of lightening hole 10 or rope and again extrudes from card line opening 11 and come off.
Further, the edge part of the first limiting plate 3 and the second limiting plate 4, and the edge part of lightening hole 10 on the first limiting plate 3 and the second limiting plate 4 respectively correspondence be provided with arc bundle wire casing 14.In this implementation, two limiting plates on one piece of arc correspondence can be provided with multiple arc bundle wire casing 14, arc bundle wire casing 14 setting be used between limiting plate, place upper strata cable after, with the arc bundle wire casing 14 that rope tool will be wound around on two relative limiting plates, namely meaning seals the upper end open between limiting plate with rope tool, prevent from the cable between limiting plate from acutely shaking to come off from the edge of limiting plate, meanwhile, arrange each groove curved can not to cable or rope tool cause wearing and tearing.
Further, on the side removably connected of the first arc 1 and the second arc 2, correspondence is provided with clamp nut 15 respectively.Wherein in a kind of implementation, the mode that the first arc 1 and the second arc 2 are threaded connection removably connects, and on two pieces of arcs, equal correspondence is provided with clamp nut 15.
Further, the side of the close wire bushing tube end of the first limiting plate 3, second limiting plate 4, the 3rd limiting plate 5 and the 4th limiting plate 6 is respectively arranged with stiffener 16, and stiffener 16 is fixed on the lateral wall of wire bushing pipe.
Particularly, in the present embodiment, the stiffener 16 that one piece is used as reinforcement is respectively provided with in the outside of the first limiting plate 3, second limiting plate 4, the 3rd limiting plate 5 and the 4th limiting plate 6, owing to can move around in the gap of cable between limiting plate, each limiting plate is all had to the active force of outwards compressing, bad environments is when such as wind-force is larger, the cable of strong shake may damage limiting plate by pressure, the setting of stiffener 16 is the structural stability strengthening each limiting plate, makes wire bushing pipe more sturdy and durable.
A kind of overhead transmission line that the embodiment of the present invention provides crosses over unwrapping wire wire bushing pipe, by being provided with the first arc and second arc of deep-slotted chip breaker, and the hinged opposite side in the side of two pieces of arcs removably connects, during connection, two pieces of arc entirety form a wire bushing pipe, deep-slotted chip breaker on two pieces of arcs defines the cable through hole in wire bushing pipe, wire under this cable through hole is used in and places when crossing over unwrapping wire on sandwich circuit or ground wire, meaning is held in wire bushing pipe by the wire on lower sandwich circuit or ground clamp and protects, owing to the first arc being provided with the first limiting plate and the second limiting plate that keep spacing, second limiting plate is provided with corresponding the second limiting plate and the 4th limiting plate that keep spacing, after two arcs connect into wire bushing pipe, four limiting plates are combined into two groups of monoblock and carry out spacing limiting plate for wire bushing pipe circumference, cross in unwrapping wire process, the wire of upper layer circuit unwrapping wire or ground wire are placed in the gap between limiting plate, and separated by wire bushing pipe between lower floor's cable and can not cause wearing and tearing each other, and the cable of upper layer circuit is limited between limiting plate and can not collects together back and forth during unwrapping wire.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an overhead transmission line crosses over unwrapping wire wire bushing pipe, it is characterized in that: described overhead transmission line is crossed over unwrapping wire wire bushing pipe and comprised the first arc (1) with deep-slotted chip breaker and the second arc (2), the side of described first arc (1) and the side of the second arc (2) hinged, the opposite side of described first arc (1) and the opposite side of the second arc (2) removably connect; The lateral wall of described first arc (1) is provided with the first limiting plate (3) and the second limiting plate (4) that keep spacing, the lateral wall of described second arc (2) is provided with three limiting plate (5) corresponding with the first limiting plate (3) and four limiting plate (6) corresponding with the second limiting plate (4); When the side of described first arc (1) and the second arc (2) is connected to form wire bushing pipe; deep-slotted chip breaker on first arc (1) and the second arc (2) pieces together the cable through hole (7) for the protection of cable; first limiting plate (3) and the 3rd limiting plate (5) form overall limiting plate in the circumference of wire bushing pipe, and the second limiting plate (4) and the 4th limiting plate (6) form overall limiting plate in the circumference of wire bushing pipe.
2. overhead transmission line according to claim 1 crosses over unwrapping wire wire bushing pipe, it is characterized in that: the madial wall of described first arc (1) and the second arc (2) is respectively arranged with elastomer block holddown groove (8), in described elastomer block holddown groove (8), elastomer block (9) is installed.
3. overhead transmission line according to claim 2 crosses over unwrapping wire wire bushing pipe, it is characterized in that: described elastomer block holddown groove (8) extends and both sides indent along the circumference of wire bushing pipe, described elastomer block (9) is T-shaped strip, and the wherein two ends of described elastomer block (9) hold in the inner fovea part (8a) being fixed on described elastomer block holddown groove (8).
4. overhead transmission line according to claim 1 crosses over unwrapping wire wire bushing pipe, it is characterized in that: described first limiting plate (3), the second limiting plate (4), the 3rd limiting plate (5) and the 4th limiting plate (6) are respectively arranged with lightening hole (10).
5. overhead transmission line according to claim 4 crosses over unwrapping wire wire bushing pipe, it is characterized in that: described first limiting plate (3), the second limiting plate (4) are respectively arranged with the corresponding card line opening (11) communicated with lightening hole (10).
6. overhead transmission line according to claim 5 crosses over unwrapping wire wire bushing pipe, it is characterized in that: described first limiting plate (3) and upper close card line opening (11) place of the second limiting plate (4) are separately installed with elastic plate (12), the keyed end (12a) of described elastic plate (12) is fixed on the side of described card line opening (11), and the free end (12b) of described elastic plate (12) extends to the opposite side of card line opening (11) and seals card line opening (11).
7. overhead transmission line according to claim 6 crosses over unwrapping wire wire bushing pipe, it is characterized in that: the free end (12b) of described elastic plate (12) is provided with the trip bolt (13) for being fastened on by elastic plate (12) on the first limiting plate (3) or the second limiting plate (4).
8. overhead transmission line according to claim 4 crosses over unwrapping wire wire bushing pipe, it is characterized in that: the edge part of described first limiting plate (3) and the second limiting plate (4), and the edge part of lightening hole (10) on the first limiting plate (3) and the second limiting plate (4) respectively correspondence be provided with arc bundle wire casing (14).
9. overhead transmission line according to claim 1 crosses over unwrapping wire wire bushing pipe, it is characterized in that: on the side removably connected of described first arc (1) and the second arc (2), correspondence is provided with clamp nut (15) respectively.
10. overhead transmission line according to claim 1 crosses over unwrapping wire wire bushing pipe, it is characterized in that: the side of the close wire bushing tube end of described first limiting plate (3), the second limiting plate (4), the 3rd limiting plate (5) and the 4th limiting plate (6) is respectively arranged with stiffener (16), and described stiffener (16) is fixed on the lateral wall of wire bushing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894840.1A CN105375393A (en) | 2015-12-08 | 2015-12-08 | Protective bushing for cross pay-off of overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894840.1A CN105375393A (en) | 2015-12-08 | 2015-12-08 | Protective bushing for cross pay-off of overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105375393A true CN105375393A (en) | 2016-03-02 |
Family
ID=55377312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510894840.1A Pending CN105375393A (en) | 2015-12-08 | 2015-12-08 | Protective bushing for cross pay-off of overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105375393A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196229A (en) * | 2017-05-15 | 2017-09-22 | 天津送变电工程公司 | Application process of the PVC protection pipes in extra-high voltage crossing construction |
| CN111431128A (en) * | 2020-04-05 | 2020-07-17 | 马玉龙 | Cable strutting arrangement for communication |
| CN114899764A (en) * | 2022-06-15 | 2022-08-12 | 上海艾能电力工程有限公司 | Electric power calandria cable turning auxiliary device |
-
2015
- 2015-12-08 CN CN201510894840.1A patent/CN105375393A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196229A (en) * | 2017-05-15 | 2017-09-22 | 天津送变电工程公司 | Application process of the PVC protection pipes in extra-high voltage crossing construction |
| CN111431128A (en) * | 2020-04-05 | 2020-07-17 | 马玉龙 | Cable strutting arrangement for communication |
| CN114899764A (en) * | 2022-06-15 | 2022-08-12 | 上海艾能电力工程有限公司 | Electric power calandria cable turning auxiliary device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160302 |
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| WD01 | Invention patent application deemed withdrawn after publication |