CN109742703B - Electric power installation cross arm - Google Patents
Electric power installation cross arm Download PDFInfo
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- CN109742703B CN109742703B CN201811600230.6A CN201811600230A CN109742703B CN 109742703 B CN109742703 B CN 109742703B CN 201811600230 A CN201811600230 A CN 201811600230A CN 109742703 B CN109742703 B CN 109742703B
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- 238000009434 installation Methods 0.000 title claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 238000005457 optimization Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000010616 electrical installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides an electric power installation cross arm, which relates to the technical field of electric power installation auxiliary facilities and comprises a hollow fixed beam, a connecting rod and a driving assembly, wherein the driving assembly is arranged in an inner cavity of the hollow fixed beam and used for driving the connecting rod to move along the front-back direction, a locking assembly is also arranged between the driving assembly and the hollow fixed beam, an opening of the hollow fixed beam is forward, and a fixing hole used for connecting the end part of a cable is formed in the connecting rod. According to the electric power installation cross arm provided by the invention, the connecting rod arranged in the hollow fixed beam is used for fixing the cable, the driving assembly arranged between the hollow fixed beam and the connecting rod can drive the connecting rod to move forwards from the hollow fixed beam and lock the connecting rod at the position so as to prolong the distance from the fixed hole to the other end of the cable, finally, the effect that the connecting rod props up and tightens the cable to the front side is realized, the power supply interruption caused by loosening of the cable is avoided, and meanwhile, the potential safety hazard is also avoided.
Description
Technical Field
The invention belongs to the technical field of electric power installation auxiliary facilities, and particularly relates to an electric power installation cross arm.
Background
When rural power grid transformation is carried out, the problems that the wall surface to be installed is too old and the installation stability of the cross arm cannot be guaranteed are frequently encountered, and then the insulator installed on the cross arm is difficult to guarantee to be in a stable state, so that effective supporting and fixing of a cable are influenced, and the interruption of power supply can be caused in a serious situation.
In the existing installation method, a method of combining a cross arm with a pull foot is generally adopted to ensure the stability of the cross arm, but in a severe outdoor environment, a cable is easy to loose after long-term use, so that not only is the power supply line easily interrupted, but also the trip of surrounding residents is easily influenced, and great potential safety hazards are caused.
Disclosure of Invention
The invention aims to provide an electric power installation cross arm to solve the technical problem that a cable is easy to loosen after the electric power installation cross arm is used for a long time in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an electric power installation cross arm for the tip of fixed cable, including along the fore-and-aft direction setting and the cavity fixed beam of rear end insertion wall body in, set up in the inner chamber of cavity fixed beam and with cavity fixed beam sliding fit's connecting rod in the fore-and-aft direction and set up in the inner chamber of cavity fixed beam and be used for driving the drive assembly of connecting rod along the fore-and-aft direction motion, still be equipped with locking Assembly between drive assembly and the cavity fixed beam, the opening of cavity fixed beam is preceding, be equipped with the fixed orifices that is used for connecting the cable tip on the connecting rod.
As a further optimization, the driving assembly comprises a rack fixedly arranged below the connecting rod, a gear arranged below the rack and meshed with the rack, a rotating shaft arranged outside the gear shaft and penetrating to the hollow fixed beam, an adjusting knob arranged at the outer end of the rotating shaft, a plurality of open slots arranged on the periphery of the adjusting knob, and a clamping rod arranged on the hollow fixed beam and used for being clamped with the open slots; one end of the clamping rod is hinged to the hollow fixed beam, the hinged shaft is arranged in the vertical direction, and the other end of the clamping rod is clamped with the open slot.
As a further optimization, the clamping rods are provided with two clamping rods which are respectively positioned at two sides of the adjusting knob.
As further optimization, a plurality of open grooves are uniformly distributed on the periphery of the adjusting knob and respectively penetrate through the adjusting knob in the axial direction.
As a further optimization, the front end and the rear end of the bottom surface of the inner cavity of the hollow fixed beam are respectively provided with a supporting seat which is used for being in sliding fit with the bottom surface of the connecting rod.
As a further optimization, the rear end of the bottom surface of the hollow fixed beam is provided with an upward inclination angle, and the rear end of the hollow fixed beam is arranged in a closed mode.
As further optimization, the electric power installation cross arm further comprises a tensioning assembly arranged above the hollow fixed beam and connected with the outer end of the connecting rod at the outer end.
As a further optimization, the tensioning assembly comprises a tensioning beam with the rear end inserted into the wall body and a tensioning rope with one end connected with the front end of the tensioning beam and the other end connected with the front end of the connecting rod.
As further optimization, the tensioning rope comprises a rope body and a length regulator, wherein one end of the rope body is connected with the front end of the tensioning beam, the other end of the rope body is connected with the front end of the connecting rod, and the length regulator is arranged in the middle of the rope body and is used for regulating the length of the rope body.
As a further optimization, the electric power installation cross arm further comprises a support assembly which is arranged at the lower part of the hollow fixed beam and fixedly connected with the wall body, wherein the support assembly comprises a connecting plate connected with the wall body, an overhanging block which is arranged at the front side of the connecting plate and arranged along the front-back direction, a screw rod which is in threaded connection with the overhanging block along the up-down direction, a supporting plate which is arranged at the top of the screw rod and used for supporting the hollow fixed beam, and a rotating button which is arranged at the lower end of the screw rod.
The electric power installation cross arm provided by the invention has the beneficial effects that: according to the electric power installation cross arm provided by the invention, the connecting rod arranged in the hollow fixed beam is used for fixing the cable, the driving assembly arranged between the hollow fixed beam and the connecting rod can drive the connecting rod to move forwards from the hollow fixed beam and lock the connecting rod at the position so as to prolong the distance from the fixed hole to the other end of the cable, finally, the effect that the connecting rod props up and tightens the cable to the front side is realized, the power supply interruption caused by loosening of the cable is avoided, and meanwhile, the potential safety hazard is also avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a left-view mounting structure diagram of an electric power mounting cross arm according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial enlarged structure of FIG. 1;
FIG. 3 is a schematic front view of the structure of FIG. 1 according to the embodiment of the present invention;
FIG. 4 is a schematic top view of the structure of FIG. 1 according to the present invention;
FIG. 5 is a schematic cross-sectional view A-A of the hollow stationary beam, connecting rod and drive assembly of FIG. 4 in accordance with an embodiment of the present invention;
wherein, in the figures, the respective reference numerals:
100-hollow fixed beam; 110-a support base; 200-a connecting rod; 210-a fixation hole; 300-a drive assembly; 310-a rack; 320-gear; 330-adjusting knob; 331-open slots; 340-a clamping bar; 400-a take-up assembly; 410-tensioning beam; 420-a tension rope; 421-a rope body; 422-length adjuster; 600-a cable; 700-a wall body; 900-a support assembly; 910-a connecting plate; 920-overhanging blocks; 930-screw rod; 940-a pallet; 950-rotating knob.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the power installation cross arm provided by the present invention will now be described. Electric power installation cross arm for the tip of fixed cable 600, including setting up and the rear end inserts the cavity fixed beam 100 in wall body 700 along the fore-and-aft direction, set up in the inner chamber of cavity fixed beam 100 and with cavity fixed beam 100 in the connecting rod 200 of fore-and-aft direction sliding fit and set up in the inner chamber of cavity fixed beam 100 and be used for driving the drive assembly 300 of connecting rod 200 along the fore-and-aft direction motion, still be equipped with locking Assembly between drive assembly 300 and the cavity fixed beam 100, be equipped with the fixed orifices 210 that are used for connecting the tip of cable 600 on the connecting rod 200. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The drive assembly is used for driving the connecting rod to stretch out from the hollow fixed beam to the front end, so that the effect of driving the cable to move to the front end is realized, the cable is prevented from loosening due to the fact that the cable is used outdoors for a long time and is stressed by rain and snow or blown by strong wind, the influence on power supply caused by loosening of the cable is effectively avoided, and meanwhile, the problem that the personal safety is endangered due to loosening of the cable is also avoided.
Compared with the prior art, the power installation cross arm provided by the invention has the advantages that the connecting rod 200 arranged in the hollow fixing beam 100 is used for fixing the cable 600, the driving assembly 300 arranged between the hollow fixing beam 100 and the connecting rod 200 can drive the connecting rod 200 to move forwards from the hollow fixing beam 100 and be locked at the position so as to prolong the distance from the fixing hole 210 to the other end of the cable 600, the effect that the connecting rod 200 props and tensions the cable 600 towards the front side is finally realized, the power supply interruption caused by loosening of the cable 600 is avoided, and the potential safety hazard is also avoided.
Referring to fig. 2 and 5 together, as an embodiment of the electric power installation cross arm provided by the present invention, the driving assembly 300 includes a rack 310 fixedly disposed below the connecting rod 200, a gear 320 disposed below the rack 310 and engaged with the rack 310, a rotating shaft disposed axially outside the gear 320 and penetrating to the hollow fixing beam 100, an adjusting knob 330 disposed at an outer end of the rotating shaft, a plurality of open slots 331 disposed at an outer periphery of the adjusting knob 330, and a clamping rod 340 disposed on the hollow fixing beam 100 and engaged with the open slots 331, wherein the clamping rod 340 and a hinge axis of the hollow fixing beam 100 are disposed in an up-down direction, one end of the clamping rod 340 is hinged to an outer wall of the hollow fixing beam 100 and the other end is engaged with the open slots 331. In the description of the present invention, "a number" means two or more unless specifically limited otherwise. Drive assembly sets up inside the cavity fixed beam, be used for driving the connecting rod to stretch out from the inside forward of cavity fixed beam, through the meshing of rack and gear that sets up in the connecting rod below, realize the drive to the connecting rod, the gear is rotatory through driving the rotation axis with hand rotation knob to the drive of rack, finally drive gear revolve, realize the translation action of rack, after the connecting rod extends required position outward, need keep gear and rack to be located this stable engaged state, utilize the joint effect of chucking pole and open slot, realize the locking to gear position and rack position, guarantee the stable in position of the tip of cable, guarantee the fixed effect of cable.
Referring to fig. 2 and 4 together, as an embodiment of the electrical power installation cross arm provided by the present invention, two clamping rods 340 are provided, and the two clamping rods 340 are respectively located at two sides of the adjusting knob 330. Because the cable receives certain pulling force effect, so adjust knob's position guarantees to have certain degree of difficulty through a chucking pole, so adopt in this embodiment to set up two chucking poles and carry out the chucking from adjust knob's both sides and the open slot of both sides, be articulated relation between chucking pole and the cavity fixed beam, and the main shaft of chucking pole is on a parallel with the horizontal direction, the effectual problem of avoiding the chucking pole to deviate from the open slot. In addition, the clamping rods can be arranged into three or four forms, and the plurality of clamping rods are uniformly distributed in the circumferential direction of the adjusting knob, so that the effects of uniform stress and firmness in fixation of the periphery of the adjusting knob are realized.
Referring to fig. 2, as an embodiment of the power installation cross arm provided by the present invention, the open slots 331 are uniformly arranged on the periphery of the adjusting knob 330. The open slot sets up to the form of a plurality of, and a plurality of has evenly arranged in adjust knob 330's periphery, and runs through adjust knob 330 setting along adjust knob 330's axial respectively, realizes the effect with the chucking spare of periphery chucking each other, guarantees the position stability of gear, rack and connecting rod outer end.
Referring to fig. 1 to 2, as an embodiment of the electrical installation cross arm provided by the present invention, the front end and the rear end of the bottom surface of the inner cavity of the hollow fixing beam 100 are respectively provided with a supporting seat 110 for slidably engaging with the bottom surface of the connecting rod 200. Sliding fit between supporting seat and the connecting rod that the inner chamber bottom of cavity fixed beam set up, the in-process that the connecting rod removed to the front end is realized with gear engagement at the rack of connecting rod middle part below, sliding fit between the bottom surface of connecting rod and the supporting seat, the bottom surface at both ends carries out effectual support around the supporting seat to the connecting rod, also have good guide effect to the translation of rack also be exactly the connecting rod simultaneously, both ends take place the position change and cause the connecting rod front end unstable around avoiding the connecting rod on the upper and lower direction, cause the problem of cable position change.
Referring to fig. 5, as an embodiment of the power installation cross arm provided by the present invention, an upward inclination angle is provided at the rear end of the bottom surface of the hollow fixed beam 100, and the rear end of the hollow fixed beam 100 is closed. The rear end of the hollow fixed beam is arranged inside the wall body, so that the resistance of the hollow fixed beam in the process of inserting the hollow fixed beam into the wall body is minimum, the rear end of the bottom surface of the hollow fixed beam is provided with an upward inclination angle, the tip of the rearmost end is utilized to gradually enable the hollow fixed beam to stretch into the wall body, and the installation difficulty is reduced. Meanwhile, the hollow cavity of the hollow fixed beam is in an upward opening form, and other rear ends are closed, so that the driving assembly in the hollow fixed beam is not interfered by other external components, and the hollow fixed beam has sufficient space to drive the connecting rod.
As a specific embodiment of the power installation cross arm provided in the present invention, the power installation cross arm further includes a tension assembly 400 disposed above the hollow fixing beam 100 and having an outer end connected to an outer end of the connecting rod 200. The setting of taut subassembly can be followed the top and played good tractive effect to the front end of cavity fixed beam, avoids the cavity fixed beam to receive the gravity action of dead weight effect and cable, and the situation of front end downward sloping appears, and the top provides supplementary pulling force for cavity fixed beam and connecting rod two, guarantees good taut effect, shares a part gravity. The tensioning assembly can be directly fixed by a rope or by other rod pieces.
Referring to fig. 1, 3 and 4 together, as an embodiment of the electrical installation cross arm according to the present invention, the tension assembly 400 includes a tension beam 410 having a rear end inserted into the wall body 700, and a tension rope 420 having one end connected to a front end of the tension beam 410 and the other end connected to a front end of the connecting bar 200. Adopt the form of pegging graft between taut roof beam and the wall body, the rear end of taut roof beam also is equipped with and is convenient for make it insert the most advanced in the wall body, and the lower extreme of the taut rope of front end then is used for taking up with the front end of connecting rod, provides pulling force from the top, guarantees good taut effect, and furthest's the sagging problem that avoids cavity fixed beam, connecting rod and drive assembly to receive the dead weight effect and cause.
Referring to fig. 1, 3 and 4 together, as an embodiment of the electrical installation cross arm provided by the present invention, the tension rope 420 includes a rope 421 having one end connected to the front end of the tension beam 410 and the other end connected to the front end of the connecting rod 200, and a length adjuster 422 disposed in the middle of the rope 421 and used for adjusting the length of the rope 421. The rope body is used for connecting the front end of the tensioning beam and the front end of the connecting rod and provides certain tension for the connecting rod from the upper side. The length adjuster has the effect of adjusting the length of the rope body, and when the rope body is elongated in the long-term use process, the whole length of the rope body can be shortened by adjusting the length adjuster, so that the effect of tensioning the connecting rod better from the top is realized.
Referring to fig. 1 to 2, as an embodiment of the electric power installation cross arm provided by the present invention, the electric power installation cross arm further includes a support assembly 900 disposed at the lower portion of the hollow fixed beam 100 and fixedly connected to the wall 700, the support assembly 900 includes a connection plate 910 connected to the wall 700, an extending block 920 disposed at the front end of the connection plate 910 and disposed along the front-back direction, a screw 930 threadedly connected to the extending block 920 along the up-down direction, a supporting plate 940 disposed at the top of the screw 930 and used for supporting the hollow fixed beam 100, and a rotation knob 950 disposed at the lower end of the screw 930. The setting of supporting component is used for providing good bearing for the fixed roof beam of cavity from the below, and supplementary taut subassembly supports the fixed roof beam of cavity. The connecting plate is used for fixing the overhanging block on the wall body, the rotation of the screw rod arranged on the overhanging block is realized by screwing the rotating button, and finally the top bracing effect of the supporting plate above the screw rod on the hollow fixed beam is achieved, so that the drooping of the front end of the hollow fixed beam is avoided.
According to the electric power installation cross arm provided by the invention, the connecting rod arranged in the hollow fixed beam is used for fixing the cable, the driving assembly arranged between the hollow fixed beam and the connecting rod can drive the connecting rod to move forwards from the hollow fixed beam and lock the connecting rod at the position so as to prolong the distance from the fixed hole to the other end of the cable, finally, the effect that the connecting rod props up and tightens the cable to the front side is realized, the power supply interruption caused by loosening of the cable is avoided, and meanwhile, the potential safety hazard is also avoided.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Electric power installation cross arm for the end of fixed cable (600), its characterized in that: the cable fixing device comprises a hollow fixing beam (100) which is arranged along the front-back direction, the rear end of the hollow fixing beam is inserted into a wall body (700), a connecting rod (200) the rear part of which is arranged in the inner cavity of the hollow fixing beam (100) and is in sliding fit with the hollow fixing beam (100) in the front-back direction, and a driving assembly (300) which is arranged in the inner cavity of the hollow fixing beam (100) and is used for driving the connecting rod (200) to move along the front-back direction, wherein a locking assembly is further arranged between the driving assembly (300) and the hollow fixing beam (100), and a fixing hole (210) used for connecting the end part of the cable (600) is formed in the connecting rod (;
the driving assembly (300) comprises a rack (310) fixedly arranged below the connecting rod (200), a gear (320) arranged below the rack (310) and meshed with the rack (310), a rotating shaft arranged on the axial outer side of the gear (320) and penetrating through the hollow fixed beam (100), an adjusting knob (330) arranged at the outer end of the rotating shaft, a plurality of open grooves (331) arranged on the periphery of the adjusting knob (330), and a clamping rod (340) arranged on the hollow fixed beam (100) and used for being clamped with the open grooves (331); one end of the clamping rod (340) is hinged to the hollow fixing beam (100), the hinged shaft is arranged in the up-down direction, and the other end of the clamping rod (340) is clamped to the open slot (331).
2. The power mounting cross arm of claim 1, wherein: the clamping rods (340) are provided with two clamping rods (340) which are respectively positioned at two sides of the adjusting knob (330).
3. The power mounting cross arm of claim 2, wherein: the adjusting mechanism is characterized in that a plurality of opening grooves (331) are uniformly distributed in the periphery of the adjusting knob (330), and the opening grooves are respectively arranged along the axial direction of the adjusting knob (330) to penetrate through the adjusting knob (330).
4. The power mounting cross arm of claim 1, wherein: the front end and the rear end of the bottom surface of the inner cavity of the hollow fixed beam (100) are respectively provided with a supporting seat (110) which is used for being in sliding fit with the bottom surface of the connecting rod (200).
5. The power mounting cross arm of claim 1, wherein: the rear end of the bottom surface of the hollow fixed beam (100) is provided with an upward inclination angle, and the rear end of the hollow fixed beam (100) is arranged in a closed manner.
6. The power mounting cross arm of claim 1, wherein: the electric power installation cross arm further comprises a tensioning assembly (400) arranged above the hollow fixing beam (100) and connected with the outer end of the connecting rod (200).
7. The power mounting cross arm of claim 6, wherein: the tension assembly (400) comprises a tension beam (410) with the rear end inserted into the wall body (700) and a tension rope (420) with one end connected with the front end of the tension beam (410) and the other end connected with the front end of the connecting rod (200).
8. The power mounting cross arm of claim 7, wherein: the tensioning rope (420) comprises a rope body (421) and a length adjuster (422), wherein one end of the rope body (421) is connected with the front end of the tensioning beam (410), the other end of the rope body is connected with the front end of the connecting rod (200), and the length adjuster (422) is arranged in the middle of the rope body (421) and is used for adjusting the length of the rope body (421).
9. The power mounting cross arm of claim 1, wherein: the electric power installation cross arm further comprises a support component (900) which is arranged at the lower part of the hollow fixed beam (100) and fixedly connected with the wall body (700), wherein the support component (900) comprises a connecting plate (910) connected with the wall body (700), an extending block (920) which is arranged at the front side of the connecting plate (910) and arranged along the front-back direction, a screw (930) which is in threaded connection with the extending block (920) along the up-down direction, a supporting plate (940) which is arranged at the top of the screw (930) and used for supporting the hollow fixed beam (100), and a rotating button (950) which is arranged at the lower end of the screw (930).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600230.6A CN109742703B (en) | 2018-12-26 | 2018-12-26 | Electric power installation cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600230.6A CN109742703B (en) | 2018-12-26 | 2018-12-26 | Electric power installation cross arm |
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| Publication Number | Publication Date |
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| CN109742703A CN109742703A (en) | 2019-05-10 |
| CN109742703B true CN109742703B (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811600230.6A Active CN109742703B (en) | 2018-12-26 | 2018-12-26 | Electric power installation cross arm |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011239665A (en) * | 2010-04-13 | 2011-11-24 | Aichi Corp | Electric wire gripping device |
| JP5855523B2 (en) * | 2012-04-27 | 2016-02-09 | 東京電力株式会社 | 4 conductor transmission line insulator device replacement method and replacement device used for the method |
| CN207459562U (en) * | 2017-11-28 | 2018-06-05 | 国网河南省电力公司偃师市供电公司 | The auxiliary stand of cross-arm in a kind of replacement line bar |
| CN207776552U (en) * | 2017-12-27 | 2018-08-28 | 国家电网公司 | A kind of electric power installation cross-arm |
| CN208236076U (en) * | 2018-04-07 | 2018-12-14 | 林才鸿 | A kind of power distribution route adjustable type engaging cross-arm |
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