CN104078880A - Large-vertical-fall lifting traction device for high voltage cable terminal - Google Patents
Large-vertical-fall lifting traction device for high voltage cable terminal Download PDFInfo
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- CN104078880A CN104078880A CN201410266967.4A CN201410266967A CN104078880A CN 104078880 A CN104078880 A CN 104078880A CN 201410266967 A CN201410266967 A CN 201410266967A CN 104078880 A CN104078880 A CN 104078880A
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- combined clip
- shaped
- clip
- lower combined
- towing bracket
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- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The invention discloses a large-vertical-fall lifting traction device for a high voltage cable terminal. A structure of a metal door frame type framework is adopted, and two upper traction supports and two lower traction supports are combined into the door frame type framework through two connecting plates, an upper combination hoop and a lower combination hoop, the cable terminal is placed in a combined round hole of the upper combination hoop and the lower combination hoop, and lifting belts are installed at the upper ends of the upper traction supports. The upper combination hoop and the lower combination loop are respectively formed by combining two components of a T-type structure; because the high voltage cable terminal is locked by the upper combination hoop and the lower combination hoop in the structure of the door frame type framework, a conductor, a metal sheath and the cable terminal are protected to be stable in the large-vertical-fall lifting process.
Description
Technical field
The present invention relates to a kind of transmission line construction power tool, relate in particular to the vertical high drop lifting draw-gear of hv cable termination head for 110KV and the construction of above circuit stringing.
Background technology
Cable terminal is in vertical high drop hoisting process, due to Gravitative Loads, between the conductor of main insulation parcel and metallic sheath, can produce relative motion generation relative displacement, the relative conductor upward sliding of metallic sheath, can arrive stress cone in top, the structure of bursting stress cone, causes producing gap between stress cone semi-conductive layer and main insulation semi-conductive layer, cause this place's stress cone effect to be lost efficacy, cause that partial discharge finally may cause cable end fault.
Current hoisting is, below cable terminal root, be inserted in cable pulling net, with rope, be connected with traction net, crane hook drag rope completes the landing of cable terminal, its stress point is mainly the metallic sheath of cable, such lifting mode may cause above-mentioned fault, in order to guarantee cable terminal construction hoisting quality, need a kind of 110kV and above cable terminal lifting draw-gear, guarantee that conductor and metallic sheath are not shifted when the vertical high drop lifting of cable end.
Summary of the invention
The device that the object of this invention is to provide a kind of 110kV of being applicable to and above cable terminal lifting traction, to guarantee that cable end is in vertical high drop hoisting process, there is not the relative shift between metallic sheath and the conductor of main insulation parcel, prevent the dielectric breakdown accident hidden danger causing because of lifting, improve the operational reliability of electric equipment.
For addressing the above problem, the present invention has adopted the structure of metal door frame type framework, made the vertical high drop lifting draw-gear of hv cable termination head, described device is by two upper towing brackets and two lower towing brackets, be combined into door frame shaped framework by two connecting plates and upper Combined clip and lower Combined clip, cable terminal is seated in the combination circular hole of Combined clip and lower Combined clip, in the upper end of upper towing bracket, hanging belt is housed; Upper Combined clip and lower Combined clip, each component combination by two T-shaped structures forms, in T-shaped upper surface, be provided with semicircle penetrating groove, T-shaped bottom face has limited location step on two screws, base, in the T-shaped side end face of upper Combined clip, be provided with rectangular recess one, the T-shaped side end face of lower Combined clip is provided with twice rectangular recess, and the structure of second half T-shaped parts of upper Combined clip and lower Combined clip is identical with the structure of above-mentioned parts.
Upper towing bracket and lower towing bracket are trench structure, have two row's sizes, arrange identical circular hole on bottom land, on the upper end trough rim of upper towing bracket, by bolt, hanging belt are housed.
Connecting plate is the rectangular aluminum sheet with 6 circular holes, and its width dimensions, circular hole size match with upper towing bracket and lower towing bracket.
The centre, two ends in upper Combined clip and the T-shaped front of lower Combined clip respectively have one can construction bolt penetrating circular hole, utilize two slip-knot bolts that the component combination of two T-shaped structures of lower Combined clip is become to a complete integral body, bottom surface in the T-shaped both sides of lower Combined clip is provided with stopper slot, on the penetrating groove of semicircle of lower Combined clip, be provided with semicircular anti-skid rubber cushion, the circular edges of semicircle penetrating groove is along being provided with anti-skidding step, the position at each angle of the T-shaped front end face of lower Combined clip is provided with shop bolt, on the parts of second half T-shaped structure corresponding to lower Combined clip, itself and shop bolt correspondence position are provided with positioning round orifice.
Because the upper Combined clip in the structure of door frame shaped framework and lower Combined clip are by the locking of hv cable termination head, in vertical high drop hoisting process, protected the stability of conductor, metallic sheath and cable terminal.
Accompanying drawing explanation
The vertical high drop lifting draw-gear structural representation of Fig. 1 hv cable termination head.
In the drawings, hanging belt-101, upper towing bracket-102, connecting plate-103, lower towing bracket-104, upper Combined clip-105, cable terminal-106, circular hole-107, combination circular hole-108, lower Combined clip-109.
Combined clip structural representation under Fig. 2.
In the drawings, penetrating circular hole-201, slip-knot bolt-202, stopper slot-203, rectangular recess-204, limited step-205, screw-206, anti-skid rubber cushion-207, semicircle penetrating groove-208.
The T-shaped structure division schematic diagram of Combined clip under Fig. 3.
In the drawings, anti-skidding step-301, shop bolt-302.
Combined clip structural representation on Fig. 4.
In the drawings, rectangular recess-401.
The T-shaped structure division schematic diagram of Combined clip on Fig. 5.
Fig. 6 connecting board structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the vertical high drop lifting draw-gear of hv cable termination head and structure thereof are elaborated.
By Fig. 1, Fig. 2 is visible, the present invention is by hanging belt 101, two upper towing brackets 102, two connecting plates 103, two lower towing brackets 104, upper Combined clip 105 and 109 6 major parts of lower Combined clip constitute, be symmetrical structure, two parts are realized fixture with bolt type of attachment and are held tightly, gravity is divided equally to both sides, both can make pulling force, being centered close on straight line of gravity, again cable end full skirt has been played the effect of protection, array circular hole on upper and lower towing bracket is convenient to regulate according to different demands the position of upper Combined clip 105 and lower Combined clip 109, improved the scope of application, the first-selected aluminum alloy material of its selection of material, with weight reduction, be convenient to lifting.
This device adopts two upper towing brackets 102, two lower towing brackets 104 to be combined into door frame shaped framework by two connecting plates 103 and upper Combined clip 105 and lower Combined clip 109, in the middle of door frame shaped framework, put cable terminal 106, and be fixedly seated in the combination circular hole 108 of Combined clip 105 and lower Combined clip 109, in the upper end of upper towing bracket 102, by bolt, hanging belt 101 is installed, the upper Combined clip 105 of this device and lower Combined clip 109, each component combination by two T-shaped structures forms, in T-shaped upper surface, be provided with semicircle penetrating groove 208, T-shaped bottom face has two screws 206, limited location step 205 on base, for being fixed by bolt and towing bracket, at upper Combined clip 105, T-shaped side end face is provided with rectangular recess 401 one, lower Combined clip 109, T-shaped side end face is provided with twice rectangular recess 204, all stealthy for the assembling bolt of two parts, the structure of second half T-shaped parts of upper Combined clip 105 and lower Combined clip 109, identical with the structure of above-mentioned parts.
Upper towing bracket 102 and lower towing bracket 105 are trench structure, on bottom land, be provided with two row's sizes, arrange identical circular hole 107, be used for being chosen in the fixing upper Combined clip 105 of diverse location and lower Combined clip 109, on the trough rim of the upper end of upper towing bracket 102, by bolt, hanging belt 101 is housed, for integral hoisting.
As seen from Figure 6, connecting plate 103 is the rectangular aluminum sheet with 6 circular holes, and its width dimensions, circular hole size match with upper towing bracket 102 and lower towing bracket 104, and its width should be identical with the bottom land width of upper towing bracket 102 and lower towing bracket 104.
By Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are visible, upper Combined clip 105 and lower Combined clip 109, the centre, two ends in T-shaped front respectively have one can construction bolt penetrating circular hole 201, utilize two slip-knot bolts 202 that the component combination of two T-shaped structures of lower Combined clip 109 is become to a complete integral body, in the middle of it, form the circular cavity that holds cable, at lower Combined clip 109, the bottom surface of T-shaped both sides is provided with stopper slot 203, on the penetrating groove 208 of semicircle of lower Combined clip 109, be provided with semicircular anti-skid rubber cushion 207, cable slides when preventing from clamping, on the circular edges edge of semi-circular penetrating groove 208, be provided with anti-skidding step 301, lower Combined clip 109, the position at each angle of T-shaped front end face is provided with shop bolt 302, on the parts of second half T-shaped structure of lower Combined clip 109 correspondences, itself and shop bolt 302 correspondence positions are provided with positioning round orifice, to guarantee that lower Combined clip 109 combines accurately.
In practice of construction process, because the upper Combined clip 105 in door frame shaped framework and lower Combined clip 109 are by the locking of hv cable termination head, when vertical high drop lifting, protected the stability of conductor, metallic sheath and cable terminal.
Implement the present invention, the first-selected aluminum alloy materials of parts material of device, link choice criteria part, the general shape of one embodiment of the invention is of a size of: the high 2000mm of door frame shaped framework, wide 408mm, upper towing bracket and the long 1000mm of lower towing bracket, wide 130mm.
Claims (4)
1. the vertical high drop of hv cable termination head lifts draw-gear, it is characterized in that: described device is combined into door frame shaped framework by two upper towing brackets (102), two lower towing brackets (104) by two connecting plates (103) and upper Combined clip (105) and lower Combined clip (109), cable terminal (106) is seated in the combination circular hole (108) of Combined clip (105) and lower Combined clip (109), in the upper end of upper towing bracket (102), hanging belt (101) is housed, described upper Combined clip (105) and lower Combined clip (109), each component combination by two T-shaped structures forms, in T-shaped upper surface, be provided with semicircle penetrating groove (208), T-shaped bottom face has two screws (206), limited location step (205) on base, in the T-shaped side end face of upper Combined clip (105), be provided with one rectangular recess (401), the T-shaped side end face of lower Combined clip (109) is provided with twice rectangular recess (204), the structure of second half T-shaped parts of upper Combined clip (105) and lower Combined clip (109), identical with the structure of above-mentioned parts.
2. the vertical high drop of hv cable termination head according to claim 1 lifts draw-gear, it is characterized in that: described upper towing bracket (102) and lower towing bracket (104) are trench structure, on bottom land, there are two row's sizes, arrange identical circular hole (107), on the upper end trough rim of upper towing bracket (102), by bolt, hanging belt (101) is housed.
3. according to the vertical high drop lifting draw-gear of the hv cable termination head described in claim 1,2, it is characterized in that: described connecting plate (103) is the rectangular aluminum sheet with 6 circular holes, its width dimensions, circular hole size match with upper towing bracket (102) and lower towing bracket (104).
4. the vertical high drop of hv cable termination head according to claim 1 lifts draw-gear, it is characterized in that: the centre, two ends in described upper Combined clip (105) and the T-shaped front of lower Combined clip (109) respectively have one can construction bolt penetrating circular hole (201), utilize two slip-knot bolts (202) that the component combination of two T-shaped structures of lower Combined clip (109) is become to a complete integral body, bottom surface in the T-shaped both sides of lower Combined clip (109) is provided with stopper slot (203), on the penetrating groove of semicircle (208) of lower Combined clip (109), be provided with semicircular anti-skid rubber cushion (207), the circular edges of semicircle penetrating groove (208) is along being provided with anti-skidding step (301), the position at each angle of the T-shaped front end face of lower Combined clip (109) is provided with shop bolt (302), on the parts of second half T-shaped structure corresponding to lower Combined clip (109), itself and shop bolt (302) correspondence position are provided with positioning round orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266967.4A CN104078880A (en) | 2014-06-16 | 2014-06-16 | Large-vertical-fall lifting traction device for high voltage cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266967.4A CN104078880A (en) | 2014-06-16 | 2014-06-16 | Large-vertical-fall lifting traction device for high voltage cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104078880A true CN104078880A (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410266967.4A Pending CN104078880A (en) | 2014-06-16 | 2014-06-16 | Large-vertical-fall lifting traction device for high voltage cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104078880A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348128A (en) * | 2014-11-17 | 2015-02-11 | 南车资阳机车有限公司 | Installing structure of 138kV silicon rubber dry cable terminal |
| CN117638735A (en) * | 2024-01-22 | 2024-03-01 | 云南多宝电缆集团股份有限公司 | Power cable traction head and use method thereof |
-
2014
- 2014-06-16 CN CN201410266967.4A patent/CN104078880A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348128A (en) * | 2014-11-17 | 2015-02-11 | 南车资阳机车有限公司 | Installing structure of 138kV silicon rubber dry cable terminal |
| CN117638735A (en) * | 2024-01-22 | 2024-03-01 | 云南多宝电缆集团股份有限公司 | Power cable traction head and use method thereof |
| CN117638735B (en) * | 2024-01-22 | 2024-04-02 | 云南多宝电缆集团股份有限公司 | Power cable traction head and use method thereof |
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Application publication date: 20141001 |
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