Utility model content
Utility model object: the purpose of this utility model is to solve deficiency of the prior art; there is provided one cable can be limited in J-shaped tube hub position; prevent from extra large cable from swinging producing with J-shaped pipe colliding, rubbing and damage; the bending resistance of unsettled section of extra large cable can be improved simultaneously; avoid unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force, the generation of Accident prevention, this apparatus structure is simple, easy for installation simultaneously; reliability is high, the extra large cable centralized positioning protective device that service life is long.
Technical scheme: one described in the utility model extra large cable centralized positioning protective device, comprises guide cone, centration axis, lock shaft, bending reinforcement; Described guide cone is made up of symmetrical two parts, and head is pyramidal structure, and inside has centre bore, and afterbody is provided with assembling groove, and bilateral symmetry arranges stepped hole, connects the symmetrical two parts of guide cone by bolt A; Described centration axis is made up of symmetrical two parts, and inside has central through hole, and head arranges assembling bulge loop, and afterbody is provided with installation groove, and bilateral symmetry arranges step through-hole, connects the symmetrical two parts of centration axis by bolt B; Described lock shaft is made up of symmetrical two parts, and inside has locking centre bore, and head is provided with connection bulge loop, and afterbody is provided with adpting flange A, and both sides arrange step circular hole, connects the symmetrical two parts of lock shaft by bolt C; The built-in inserts of described bending reinforcement, the built-in center hole of described inserts, described inserts is fixedly connected with described lock shaft, connects bending reinforcement and lock shaft, described inserts outer wrapping tapered sleeve, the built-in tapered sleeve centre bore of tapered sleeve by bolt D.
Further, the head of described centration axis is engaged with the assembling groove of guide cone afterbody mutually by assembling bulge loop, realizes connecting.
Further, described lock shaft head is engaged with the installation groove of centration axis afterbody mutually by connecting bulge loop, realizes connecting.
Further, described inserts head is provided with adpting flange B, and described inserts afterbody is provided with barb-shaped projection.
Further, described tapered sleeve leading portion is column construction, and tapered sleeve back segment is pyramidal structure.
Further, the central axis of described centre bore, central through hole, locking centre bore, center hole, tapered sleeve centre bore point-blank.
Further, described tapered sleeve is rubber tapered sleeve.
Beneficial effect: this device can be limited in J-shaped tube hub position cable, prevent from extra large cable from swinging producing with J-shaped pipe colliding, rubbing and damage, the bending resistance of unsettled section of extra large cable can be improved simultaneously, avoid unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force, the generation of Accident prevention, this apparatus structure is simple, easy for installation simultaneously, and reliability is high, and service life is long.This device adopts Ha Fushi structure to be convenient to install, guide cone head conical design, be convenient to this device and enter J-shaped pipe, centration axis and lock shaft can hold cable tightly, prevent this device and extra large cable slippage, centration axis external diameter is more smaller than extra large bore simultaneously, extra large cable can be limited in extra large tube hub position, the bending reinforcement that elastomeric material is made can increase unsettled section of extra large cable bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
Embodiment
One sea cable centralized positioning protective device as depicted in figs. 1 and 2, comprises guide cone 1, centration axis 2, lock shaft 3, bending reinforcement 4; Described guide cone 1 is made up of symmetrical two parts, and head is pyramidal structure, and inside has centre bore 5, and afterbody is provided with assembling groove 6, and bilateral symmetry arranges stepped hole 7, connects the symmetrical two parts of guide cone 1 by bolt A8; Described centration axis 2 is made up of symmetrical two parts, and inside has central through hole 9, and head arranges assembling bulge loop 10, and afterbody is provided with installs groove 11, and bilateral symmetry arranges step through-hole 12, connects the symmetrical two parts of centration axis 2 by bolt B 13; Described lock shaft 3 is made up of symmetrical two parts, and inside has locking centre bore 14, and head is provided with and connects bulge loop 15, and afterbody is provided with adpting flange A16, and both sides arrange step circular hole 17, connects the symmetrical two parts of lock shaft 3 by bolt C18; The built-in inserts 19 of described bending reinforcement 4, the built-in center hole 20 of described inserts 19, described inserts 19 is fixedly connected with described lock shaft 3, connects bending reinforcement 4 and lock shaft 3 by bolt D25, described inserts 19 outer wrapping tapered sleeve 23, the built-in tapered sleeve centre bore 24 of tapered sleeve 23.
Further optimization as technique scheme:
Further, the head of described centration axis 2 is engaged with the assembling groove 6 of guide cone 1 afterbody mutually by assembling bulge loop 10, realizes connecting.
Further, described lock shaft 3 head is engaged with the installation groove 11 of centration axis 2 afterbody mutually by connecting bulge loop 15, realizes connecting.
Further, described inserts 19 head is provided with adpting flange B21, and described inserts 19 afterbody is provided with barb-shaped protruding 22.
Further, described tapered sleeve 23 leading portion is column construction, and tapered sleeve 23 back segment is pyramidal structure.
Further, the central axis of described centre bore 5, central through hole 9, locking centre bore 14, center hole 20, tapered sleeve centre bore 24 point-blank.
Further, described tapered sleeve 23 is rubber tapered sleeve.
The assembly method of above-mentioned a kind of extra large cable centralized positioning protective device, comprises the steps:
(1) first determine Hai Guan cable center location and the installation site of protective device on extra large cable 26, extra large cable 26 is placed in bending reinforcement inside center hole, and bending reinforcement cover to extra large cable 26 installation site;
(2) next lock shaft is installed, extra large cable is placed in lock shaft inside center hole, utilize bolt to connect the symmetrical two parts of lock shaft, lock shaft clamping cables simultaneously;
(3) recycle bolt and connect lock shaft afterbody adpting flange and bending reinforcement built-in inserts head adpting flange, realize the connection of lock shaft and bending reinforcement;
(4) install centration axis below, extra large cable is placed in centration axis inside center hole, and centration axis afterbody assembling groove and lock shaft head assemble bulge loop and are mutually engaged;
(5) the symmetrical two parts of centration axis are bolted again, centration axis clamping cables simultaneously;
(6) finally install guide cone, cable is placed in guide cone inside center hole, guide cone afterbody assembling groove and centration axis head assemble bulge loop and are mutually engaged;
(7) be bolted the symmetrical two parts of guide cone again, guide cone clamping cables simultaneously, so far Hai Guan cable center location and protective device assemble complete;
(8) then cable will introduce platform through extra large pipe 27, Hai Guan cable center location and protective device dress can draw to horn mouth 28 position, extra large pipe 27 lower end along with cable 26, centration axis is stuck in extra large pipe 27 straight tube end, realizes the centralized positioning of cable 26 in extra large pipe;
(9) the bending reinforcement that lock shaft tail end connects simultaneously can increase unsettled section of bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
This device can be limited in J-shaped tube hub position cable, prevent from extra large cable from swinging producing with J-shaped pipe colliding, rubbing and damage, the bending resistance of unsettled section of extra large cable can be improved simultaneously, avoid unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force, the generation of Accident prevention, this apparatus structure is simple, easy for installation simultaneously, and reliability is high, and service life is long.This device adopts Ha Fushi structure to be convenient to install, guide cone head conical design, be convenient to this device and enter J-shaped pipe, centration axis and lock shaft can hold cable tightly, prevent this device and extra large cable slippage, centration axis external diameter is more smaller than extra large bore simultaneously, extra large cable can be limited in extra large tube hub position, the bending reinforcement that elastomeric material is made can increase unsettled section of extra large cable bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.