Bending corrector for splicing sleeve
A technology of splicing tubes and correctors, which is applied in the field of splicing tube bend straighteners, can solve problems such as troublesome setting-out, breakage of rigid aluminum splicing tubes, failure to achieve correcting effects, etc., and achieves convenient operation, increased service life, and no The effect of bend marks
Inactive Publication Date: 2016-07-13
ECONOMIC RES INST OF STATE GRID GANSU ELECTRIC POWER +2
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Problems solved by technology
If the erected conductors are loosened, it is more convenient to lower them to the ground for rectification, but it also brings troubles for setting out the wires; The effect of correction is not enough, and at the same time, it will cause defects such as breakage at the bend of the rigid aluminum connecting pipe with a length of 0.8 meters to 1.6 meters
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[0021] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] Such as figure 1 As shown, the present invention discloses a splicing pipe bending corrector, which is composed of three parts: a driving device, a hydraulic system 5, and a correcting die 7. By setting a transmission piston 3 at the output end of the driving device, the transmission piston 3 is driven to reciprocate The movement drives the hydraulic system 5, and the output end of the hydraulic system 5 is connected with the dynamic pressure die 9 of the correction die 7. Under the push of the hydraulic system 5, the dynamic pressure die 9 is slowly approached to the static pressure die 8. The connecting pipe in the mold 7 exerts force, and the curved part of the connecting pipe is corrected.
[0023] Specifically, in this embodiment, a housing 12 is provided outside the bend straightener disclosed in this example, a piston cavity 4 i...
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The invention relates to a bending corrector for a splicing sleeve. The bending corrector comprises a drive device, a hydraulic system and a correcting pressure die, wherein the output end of the drive device is provided with a transmission piston, the transmission piston reciprocates to drive the hydraulic system, the correcting pressure die includes a static pressure die and a dynamic pressure die, and the output end of the hydraulic system is connected with the dynamic pressure die. The bending corrector has the advantages that pressure is slowly and evenly applied to the splicing sleeve to gradually repair and correct a bent and deformed part; under the condition that a high-altitude operator is limited by stance and the feet and hands of the operator cannot move freely, the bending corrector which is light and convenient to use, provided with the fixing die, matched in size and convenient to operate is used, geometrical diameter dimension deformation of the outer surface of a bend part can be avoided, bending marks and cracks at the bent part are avoided, knocking is not needed, the process quality of wire connection is increased greatly, circuit operation reliability is increased, and the service life of the splicing sleeve is increased.
Description
technical field [0001] The invention relates to the technical field of electric power construction equipment, in particular to a bend straightener for a connecting pipe. Background technique [0002] 8×JL / G3A-1250 / 70 and 8×JL / G3A-1250 / 100 steel-cored aluminum stranded wires are used for UHV overhead transmission lines. After the whole roll of wire is laid out, it needs to be connected with the next roll of wire to keep the continuous deployment of the line through the special mechanical stretching. [0003] For ultra-high voltage transmission lines, due to the large cross-section of the wire, the large ratio of aluminum to steel, and the large twisting moment, in order to ensure that the wire has a strong tensile strength after crimping, it is necessary to increase the length of the splicing tube. After the wire splicing pipe is connected, the wire is laid out along the iron tower through the pulley by using the stringing equipment. When the splicing pipe passes through the...
Claims
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IPC IPC(8): B21D3/00
CPCB21D3/00
Inventor 李志宏李小利汪春凤杨晶金浩王泉雷清然鄂天龙张富平刘钊李伟王帆祖金龙黄迎珠
Owner ECONOMIC RES INST OF STATE GRID GANSU ELECTRIC POWER