A kind of device for changing the main material of electric power pylon
Technical field
The present invention relates to electric construction tool, specifically relating to a kind of device for changing the main material of electric power pylon.
Background technology
Along with residing for the development construction of transmission line of electricity and transmission line of electricity, geology, orographic condition become increasingly complex, and run into the natural calamities such as massif collapses, earthquake unavoidably or artificial destruction causes steel tower impaired, cause major accident, jeopardize circuit and normally run to transmission line of electricity.So need a kind of device changing the impaired main material of steel tower.
The device of the main material of existing replacing electric power pylon generally adopts to set up the pole of a frame higher than steel tower as the method for fulcrum on steel tower side, pole will carry out earth anchor, bracing wire, then with motor-driven grinding mill by the coaster at pole top, the load on pull-up steel tower top, makes the tower material that will change no longer stressed.Now can unload connecting bolt, unload old material, change new part, tight a bolt, complete replacing.If steel tower is high, unloading standing up of power pole also needs first to stand a pole (see Fig. 2).This method construction method more complicated, constructor is many, and safety factor is low, and the engineering time is long, many and the complex structure of Work tool used, piece weight weight, is inconvenient to transport and use, and sets up pole, makees earth anchor and not only waste time and energy, sometimes because side also has steel tower, wire, place is limited, avoids extremely bothering, and this just delays the time that steel tower is repaired.
For this reason, needing to provide a kind of device for changing the main material of electric power pylon, the work changing the impaired main material of steel tower can be completed, have again that construction is simple, convenient transportation and by the advantage of place restriction.
Summary of the invention
The problems referred to above solved are realized by following technical proposals: provide a kind of device for changing the main material of electric power pylon, solve the device construction complexity of the main material of existing replacing electric power pylon, transport difficult and the job location shortcoming by place restriction.
The invention provides a kind of device for changing the main material of electric power pylon, described power transmission tower comprises the tower body longitudinally arranged and the cross-arm be horizontally installed on tower body, described tower body is provided with the main limb of steel tower of fixing power transmission tower, and the cross section that the main limb of described steel tower is made up of two that are oppositely arranged main limb angle steel is cross steel; Described more changing device comprises central structure section;
Connect successively as the angle steel jig one be arranged on the lower linkage section of iron tower main material to be replaced, hydraulic cylinder, angle demodulator, length adjuster and described central structure section; Described central structure section is identical with angle steel jig one structure and be connected with the angle steel jig two of the upper linkage section being arranged on iron tower main material to be replaced.
Described angle steel jig one is the jig of M shape by four angle steel clamps by vertically disposed bolt one cross section fixedly surperficial with it; Angle steel clamp described in each is made up of orthogonal two side plates and the outstanding leg be positioned on the angular bisector of two described side plate angles;
Be provided with by the fixing described main limb angle steel of described bolt one and pasting board between each described angle steel clamp; Described pasting board side is connected with outside described main limb angle steel, and opposite side is connected with described angle steel clamp.
Described outstanding leg is Y-shaped, and its one end is connected with described angle steel clamp angle, and the other end is provided with two junction plates perpendicular to described replacing device axial direction; The side of described junction plate is provided with perpendicular bearing pin.
Described outstanding leg is the limb perpendicular to described replacing device axial direction, and described outstanding leg is be symmetrical arranged by the plate of two hook solid the arrow-shaped plate formed;
Described outstanding leg shape is the pin that one end of described hook solid is provided with fixing described side plate; The described outstanding leg other end is provided with the bearing pin arranged with its lateral vertical.
Described bearing pin is connected with the cylinder tail earrings being fixed on described hydraulic cylinder lower end;
Cylindrical described cylinder chamber is provided with coaxial piston rod arranged with it; Described piston rod one end is inner at described hydraulic cylinder, and the other end is provided with the external screw thread of fixing described angle demodulator.
Described angle demodulator is made up of the connector of ball cup, spheric seating and fixing described ball cup and spheric seating;
The mushroom-shaped Connection Block of described ball cup to be one end be circular shape; The described ball cup other end be provided with the cylinder shape groove one with its concentric, described cylinder shape groove one inner chamber is provided with the internal thread be connected with external screw thread on described piston rod;
Described spheric seating one end is the concave arc be flexibly connected with described ball cup; The other end is that inner chamber is provided with the cylindrical of cylinder shape groove two, and described cylinder shape groove two inner chamber arranged with spheric seating concentric is provided with the internal thread of fixing described length adjuster;
Described connector is that wherein one end is provided with the hollow circuit cylinder of boss, and described boss protrudes to described hollow circuit cylinder centerline direction; Described ball cup and spheric seating are fixed on described connector inner chamber, and described boss is in described ball cup side; Described connector is flexibly connected with ball cup, and described connector radial direction is provided with the steady pin one of fixing described spheric seating.
Described length adjuster comprises regulating sleeve, is arranged on the leading screw at described regulating sleeve two ends and is socketed with described leading screw the hold-down nut arranged; Described regulating sleeve is that inner chamber establishes female hollow circuit cylinder,
Two described leading screws are provided with the contrary and external screw thread be connected with described regulating sleeve internal thread in direction;
The described leading screw being arranged on described regulating sleeve lower end is provided with the external screw thread be connected with cylinder shape groove two described on described angle demodulator; Leading screw described in another root is provided with the junction plate one of perpendicular setting;
Described junction plate one is connected by steady pin two with the fixed head one being arranged on described central structure section one end.
Described central structure section forms by multiple standard knot is end to end, and described standard knot is strengthen angle steel by two to be oppositely arranged the cross section surrounded be foursquare cuboid; Four long limits of described cuboid are made up of four principal post steel pipes;
It is foursquare standard knot junction plate that described standard knot junction is provided with the cross section surrounded by four rectangular slabs;
The described central structure section other end is provided with the fixed head two of perpendicular setting; Described fixed head two is connected with described angle steel jig two.
The outstanding leg end points be arranged on described angle steel jig two is provided with and the vertically disposed junction plate two of described replacing device axial direction, and described junction plate two is provided with the bolt be connected with described fixed head two
Described hydraulic cylinder side is provided with the detection piece detecting oil cylinder stroke, and described detection piece is Z-shaped, and its one end is connected with described piston rod upper end, and the other end is flexibly connected with described hydraulic cylinder external surface.
With immediate prior art ratio, technical scheme provided by the invention has following beneficial effect:
1, a kind of device for changing the main material of electric power pylon of providing of the application, eliminates traditional steel tower and changes device and must set up large pole, sometimes also need first to found the deficiency that is propped up the little pole of large pole; Can play that construction is simple, convenient transportation and by the advantage of place restriction.
2, the angle steel jig that provides of the application, has fixed, wide accommodation and easy to operate advantage.
3, the angle demodulator that provides of the application, can realize automatic adjustment, have high, simple to operate, more accurate than the conventional regulator advantage of automaticity.
4, the length adjuster that provides of the application, manually regulates and can realize regulating the effect changing device length, realizes fine setting and improves this device precision.
5, the structure that the central structure section that the application provides adopts many standard knots to combine, extends range of application and the ease for use of this device; And there is convenient transport, reduce the advantage of cost of production.
Accompanying drawing explanation
Fig. 1 is electric power pylon schematic diagram provided by the invention;
Fig. 2 is the device partial schematic diagram for changing the main material of electric power pylon provided by the invention;
Fig. 3 is angle steel jig one top view provided by the invention;
Fig. 4 is steel tower provided by the invention main limb angle steel tiling schematic diagram;
Fig. 5 is angle steel jig one top view being fixed with outstanding leg provided by the invention;
Fig. 6 is hydraulic cylinder front view provided by the invention;
Fig. 7 is angle demodulator sectional view provided by the invention;
Fig. 8 is length adjuster partial sectional view provided by the invention;
Fig. 9 is central structure section front view provided by the invention;
Figure 10 is central structure segment structure schematic diagram provided by the invention;
Figure 11 is A-A top view in Figure 10 provided by the invention
Wherein, 1-tower body, the main limb of 2-steel tower, 3-main limb angle steel, 4-central structure section, 5-angle steel jig one, 6-bolt one, 7-hydraulic cylinder, 8-angle demodulator, 9-length adjuster, 10-angle steel jig two, 11-angle steel clamp, 12-side plate, 13-outstanding leg, 14-pasting board, 15-cross-arm, 16-bearing pin, 17-iron tower main material to be replaced, 18-lower linkage section, 19-upper linkage section, 20-cylinder tail earrings, 21-piston rod, 22-ball cup, 23-spheric seating, 24-connector, 25-cylinder shape groove one, 26-cylinder shape groove two, 27-steady pin one, 28-regulating sleeve, 29-leading screw, 30-hold-down nut, 31-junction plate one, 32-steady pin two, 33-fixed head one, 34-standard knot, 35-strengthen angle steel, 36-principal post steel pipe, 37-standard knot junction plate, 38-fixed head two, 39-junction plate two, 40-detection piece
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
A kind of device for changing the main material of electric power pylon, as shown in Figure 1, described power transmission tower comprises the tower body 1 longitudinally arranged and the cross-arm 15 be horizontally installed on tower body, the main limb 2 of the steel tower that described tower body 1 is provided with fixing power transmission tower, the cross section that the main limb of described steel tower 2 is made up of two that are oppositely arranged main limb angle steel 3 is cross steel; Described more changing device comprises: central structure section 4;
As shown in Figure 2, connect successively as the angle steel jig 1 be arranged on the lower linkage section 18 of iron tower main material 17 to be replaced, hydraulic cylinder 7, angle demodulator 8, length adjuster 9 and described central structure section 4; Described central structure the section 4 and angle steel jig two 10 that be arranged on the upper linkage section 19 of to be replaced iron tower main material 17 identical with angle steel jig 1 structure connects.
As shown in Figure 3, described angle steel jig 1 is the jig of M shape by four angle steel clamps 11 through the cross section that bolt 1 connects to form, as shown in Figure 5, angle steel clamp 11 described in each is made up of orthogonal two side plates 12 and the outstanding leg 13 be positioned on the angular bisector of two described side plate 12 angles;
Be provided with by described bolt 1 fixing as shown in Figure 4 between each described angle steel clamp 11, described main limb angle steel 3 and pasting board 14; The inner side supporting described main limb angle steel 3 two limb faces of power transmission tower is all connected with described angle steel clamp 11, and described pasting board 14 side is connected with described main limb angle steel 3, and opposite side is connected with described angle steel clamp 11;
Described outstanding leg 13 is Y-shaped, and its one end and described angle steel clamp 11 angle are fixed, and the other end is provided with the bearing pin 16 arranged with its lateral vertical.
Described outstanding leg 13 is the fixing limb of the arrowhead form that the plate being crotch-shaped by two cross sections forms; Shape is that one end of described crotch and described side plate 12 are fixed by pin; Described outstanding leg 13 other end is provided with the bearing pin 16 arranged with its lateral vertical.
Described bearing pin 16 is connected with the cylinder tail earrings 20 being fixed on described hydraulic cylinder 7 lower end; Described cylinder tail earrings 20 is for being provided with the hole of fixing described bearing pin 16;
As shown in Figure 6, cylindrical described hydraulic cylinder 7 inner chamber is provided with coaxial piston rod 21 arranged with it; Described piston rod 21 one end is inner at described hydraulic cylinder 7, and the other end is provided with the external screw thread of fixing described angle demodulator 8.
As shown in Figure 7, described angle demodulator 8 is made up of with the connector 24 of spheric seating 23 ball cup 22, spheric seating 23 and fixing described ball cup 22;
The mushroom-shaped Connection Block of described ball cup 22 to be one end be circular shape; Described ball cup 22 other end be provided with the cylinder shape groove 1 with its concentric, described cylinder shape groove 1 inner chamber is provided with the internal thread be connected with described piston rod 21;
Described spheric seating 23 one end is the concave arc be flexibly connected with described ball cup 22; The other end is that inner chamber is provided with the cylindrical of cylinder shape groove 2 26, and described cylinder shape groove 2 26 inner chamber arranged with spheric seating 23 concentric is provided with the internal thread of fixing described length adjuster 9;
Described connector 24 is that wherein one end is provided with the hollow circuit cylinder of boss, and described boss protrudes to described hollow circuit cylinder centerline direction; Described ball cup 22 is fixed on described connector 24 inner chamber with spheric seating 23, and described boss is in described ball cup 22 side; Described connector 24 is flexibly connected with ball cup 22, and described connector 24 radial direction is provided with the steady pin 1 of fixing described spheric seating 23.
As shown in Figure 8, described length adjuster 9 comprises regulating sleeve 28, is arranged on the leading screw 29 at described regulating sleeve 28 two ends and is socketed with described leading screw 29 hold-down nut 30 arranged; Described regulating sleeve 28 establishes female hollow circuit cylinder for inner chamber,
Two described leading screws 29 are provided with the contrary and external screw thread be connected with described regulating sleeve 28 internal thread in direction;
The described leading screw 29 being arranged on described regulating sleeve 28 lower end is provided with the external screw thread be connected with described angle demodulator 8; Leading screw 29 described in another root is provided with the junction plate 1 of perpendicular setting;
Described junction plate 1 is connected by steady pin 2 32 with the fixed head 1 being arranged on described central structure section 4 one end.
As Figure 9-Figure 11, described central structure section 4 forms by multiple standard knot 34 is end to end, and described standard knot 34 is strengthen angle steel 35 by two to be oppositely arranged the cross section surrounded be foursquare cuboid; Four long limits of described cuboid are made up of the four principal post steel pipes 36 be arranged in parallel with described standard knot 34;
It is foursquare standard knot junction plate 37 that described standard knot 34 junction is provided with the cross section surrounded by four rectangular slabs;
Described central structure section 4 other end is provided with the fixed head 2 38 of perpendicular setting; Described fixed head 2 38 is connected with described angle steel jig 2 10.
Outstanding leg 13 end points be arranged on described angle steel jig 2 10 is provided with junction plate two 39 vertically disposed with described angle steel jig 2 10, and described junction plate 2 39 is provided with the bolt be connected with described fixed head 2 38
Described hydraulic cylinder 7 side is provided with the detection piece 40 detecting oil cylinder stroke, and described detection piece 40 is Z-shaped, and its one end is connected with described piston rod 21 upper end, and the other end is flexibly connected with described hydraulic cylinder 7 external surface.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field still can modify to the specific embodiment of the present invention or equivalent replacement; and these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, its claim of the present invention all awaited the reply in application is protected within model.