CN110593097A - Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system - Google Patents
Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system Download PDFInfo
- Publication number
- CN110593097A CN110593097A CN201910831811.9A CN201910831811A CN110593097A CN 110593097 A CN110593097 A CN 110593097A CN 201910831811 A CN201910831811 A CN 201910831811A CN 110593097 A CN110593097 A CN 110593097A
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- China
- Prior art keywords
- strand
- saddle
- cable
- guide plate
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention relates to the technical field of suspension bridges, and discloses a suspension bridge main cable preformed cable strand manufacturing and saddle entering system, which comprises a preformed processing tool: marking steel wires, gathering the marked steel wires into cable strands with hexagonal cross sections, wrapping the cable strands with a binding belt and a wrapping belt, and rolling the cable strands into a disc; rope strand trimmer: shaping the cross section of the cable strand entering the saddle transition area into a quadrangle; auxiliary lifting appliance: the strand is hoisted and translated thirty to forty centimeters above the saddle slot. This suspension bridge main push-towing rope preforming strand makes and goes into saddle system, strand to going into before the saddle carries on spacingly and angle of adjustment, reduce into the saddle degree of difficulty, saddle groove opening fish tail strand has been avoided, go into before the saddle to the strand adjust of fixing a position, steel wire stress has been reduced, it is more reasonable to distribute to the extrusion force of strand to go into the saddle groove simultaneously, the extrusion displacement of steel wire in the reduction strand, make and go into saddle back steel wire cross phenomenon significantly reduced, the earlier one-step saddle groove that slides into of guide apparatus simultaneously, slightly strut the saddle groove, further reduce the extrusion force that the strand received.
Description
Technical Field
The invention relates to the technical field of suspension bridges, in particular to a suspension bridge main cable preformed cable strand manufacturing and saddle entering system.
Background
The suspension bridge main cable is usually erected by using a PPWS method, namely, steel wires are gathered and formed into cable strands with regular hexagonal sections (preformed) in a factory, and then the cable strands are gathered and formed into a main cable on a construction site.
Referring to fig. 1, since the suspension bridge main cable saddle and the side span cable saddle are used to fix the cable strand, the cable saddle groove partition plates are vertically and parallelly installed, in order to facilitate installation and bear a certain friction force, the cable strand is shaped into a rectangular section at the cable saddle and is placed in the saddle groove, and a certain friction force needs to be kept between the cable strand and the cable saddle, the cable strand and the cable saddle groove have tight width fit and are not easily aligned or easily scratched by the groove hole.
Because the cable saddle has certain span, and need exert certain pressure with packing into the saddle groove with the strand, if the strand is put into the saddle groove and is made slight radian, and have great frictional force between strand and the cable groove, the steel wire can produce certain stress when impressing the strand, very easily takes place to bulge the phenomenon of silk, buckling or broken silk, influences the bridge formation quality.
Further, strand entering groove angle probably has the slope, makes the shape of strand change, need consume more time after the entering groove and comb the shape of plain strand again, and on the one hand, the scene may not fully comb in order to arrive at the progress, and the inside steel wire that exists of strand is alternately, further influences the bridging quality, because comb the instrument that all uses the ironware material simultaneously, very easily destroys the steel wire galvanizing coat and destroys the steel wire quality.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides a system for manufacturing and arranging preformed cable strands of a main cable of a suspension bridge, which has the advantages of easy installation, good installation quality and less carding workload and solves the problems provided by the background technology.
The invention provides the following technical scheme: a suspension bridge main cable preformed cable strand manufacturing and saddle entering system,
comprises that
Preforming tool: marking steel wires, gathering the marked steel wires into cable strands with hexagonal cross sections, wrapping the cable strands with a binding belt and a wrapping belt, and rolling the cable strands into a disc;
rope strand trimmer: shaping the cross section of the cable strand entering the saddle transition area into a quadrangle;
auxiliary lifting appliance: hoisting and translating the strand to a position thirty to forty centimeters above the saddle groove;
angle adjustment utensil: adjusting the saddle-entering angle of the cable strand to enable the bottom surface of the quadrangular section to be parallel to the horizontal plane;
a guide tool: and the cable strand is guided to be in a saddle groove, so that the resistance in entering is reduced, and the position of the cable strand is limited to avoid the phenomenon of wire error.
Preferably, the angle adjusting tool comprises a guide plate, an adjusting arm, a restraining plate and a pressing plate, the restraining plate is fixedly connected to the upper end of the adjusting arm, restraining rods are connected to the upper end and the lower end of the restraining plate, the pressing plate and a pilot plate are movably connected to the inner side of each restraining rod, and the pilot plate is located at the lower end of the restraining plate.
Preferably, the guide tool comprises a first guide plate and a guide plate, the guide plate is assembled at the upper end of the saddle groove, the guide plate is fixed with the saddle groove through an adjusting rod, two ends of the first guide plate are cambered surfaces, and the surfaces of the two ends of the first guide plate are smooth.
Preferably, the upper end of the guide plate is provided with an inclined plane groove with a width larger than that of the saddle groove, and the lower end of the guide plate is consistent with that of the saddle groove.
Preferably, the angle adjusting tool is used by:
the utility model discloses a strand of cable, including the saddle groove, the lower extreme swing joint who makes about plate clip strand extend out of saddle groove, the lower extreme swing joint of baffle and about plate earlier, the upper end and the about bar bolt fastening of about plate, the about bar of adjustment, the about bar of making about plate vertical simultaneously the about bar of upper and lower extreme all make up into the rectangle with the strand laminating, the angle of strand bottom surface is observed to the spirit level through the adjusting arm, and rotate the angle that makes the strand bottom surface through the adjusting arm and be parallel with the horizontal plane, place press plate on the upper surface of strand at last.
Preferably, the guiding tool is used by: the two guide plates are respectively arranged at the upper end of the saddle groove, the adjusting rod is rotated to enable the two guide plates to be clamped with the friction plates at two sides of the saddle groove, and meanwhile, the vertical surface of the lower end of the sliver guide plate is flush with the vertical surface of the friction plate of the saddle groove.
The invention has the following beneficial effects:
1. this suspension bridge main push-towing rope preforming strand makes and goes into saddle system carries on spacingly and angle of adjustment to the strand before going into the saddle, makes the lower extreme of strand aim at the opening of saddle groove naturally, simultaneously through the inclined plane guide, makes the position adjustment of going into the saddle messenger strand and saddle groove simpler, reduces into the saddle degree of difficulty, simultaneously, has avoided saddle groove opening fish tail strand.
2. This suspension bridge main push-towing rope preforming strand makes and goes into saddle system, goes into to the strand before the saddle and fixes a position the adjustment, because frictional force at this moment is less relatively, the crooked back-and-forth movement that can of strand when retraining the strand has reduced steel wire stress, has guaranteed that the range of steel wire is neat orderly, reduces the emergence of bulging silk, buckling or disconnected silk, improves main push-towing rope and erects the quality, further improves the bridging quality.
3. This suspension bridge main push-towing rope preforming strand makes and goes into saddle system, the bottom surface of strand is parallel with the horizontal plane when going into the saddle, it is more reasonable to the extrusion force of strand is dispersed to going into the saddle groove, reduce the extrusion displacement of steel wire in the strand, make the saddle back steel wire cross phenomenon significantly reduce, the saddle groove is slided into earlier to the guide apparatus simultaneously, slightly strut the saddle groove, further reduce the extrusion force that the strand received, on the one hand, the time that workman personnel combed the steel wire has been reduced, more aspect staff's work progress arrangement, on the other hand, reduce staff's combing work, the destroyed incidence of steel wire galvanizing coat has been reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic top view of the present invention.
In the figure: 1. a guide plate; 2. an adjusting arm; 3. a restraint plate; 4. a pressing plate 5 and a guide plate; 6. an adjusting lever; 7. a restraining bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2-3, a preformed cable strand manufacturing and saddle inserting system for main cables of suspension bridges includes a preforming tool: marking steel wires, gathering the marked steel wires into cable strands with hexagonal cross sections, wrapping the cable strands with a binding belt and a wrapping belt, and rolling the cable strands into a disc;
rope strand trimmer: shaping the cross section of the cable strand entering the saddle transition area into a quadrangle;
auxiliary lifting appliance: hoisting and translating the strand to a position thirty to forty centimeters above the saddle groove;
angle adjustment utensil: adjusting the saddle-entering angle of the cable strand to enable the bottom surface of the quadrangular section to be parallel to the horizontal plane;
a guide tool: the cable strand is guided to be saddle-grooved, so that the resistance in entering is reduced, and the position of the cable strand is limited to avoid the phenomenon of wire error; the steel wire is prefabricated into regular hexagon and is shaped by using a preforming processing tool in a factory or on site according to drawing design, the prefabricated cable strand is pulled in place, the outer edge of a transition area entering a saddle is shaped on the cross section of the cable strand by using a hexagonal clamp, then a wrapping belt of the transition area is removed, the cable strand of the transition area is shaped into a square according to the number of the steel wire by using a cable strand shaping tool, the cable strand is lifted and transversely moved to a position thirty-forty centimeter above a saddle groove by using an auxiliary lifting tool after shaping, then the bottom surface of the cable strand is adjusted by using an angle adjusting tool to enable the bottom surface to be parallel to a horizontal plane, and finally the cable strand is guided into the saddle groove by using a guiding tool and is fixed.
The angle adjustment tool comprises a guide plate 1, an adjusting arm 2, a constraint plate 3 and a pressing plate 4, the upper end of the adjusting arm 2 is fixedly connected with the constraint plate 3, the adjusting arm 2 and the constraint plate 3 are fixedly welded, the adjusting arm 2 and the constraint plate 3 are located at two ends of a saddle groove, the upper end and the lower end of the constraint plate 3 are connected with a constraint rod 7, the constraint rod 7 is in threaded connection with the constraint plate 3, the thread directions of two ends of the constraint rod 7 are opposite, the constraint plate 3 can be clamped or loosened by rotating the constraint rod 7, the pressing plate 4 and a pilot plate 1 are movably connected to the inner side of the constraint rod 7, the front end face and the rear end face of the guide plate 1 and the pressing plate 4 are attached to the constraint plate 3, the pressing plate 4 and the constraint plate 3 can be attached to the constraint plate 3 to slide up and down, and the pilot.
Wherein, the guide apparatus includes first baffle 1 and guide board 5, guide board 5 assembles the upper end at the saddle groove, guide board 5 is fixed with the saddle groove through adjusting lever 6, the length of saddle groove is good at to the length of guide board 5, the both sides homogeneous phase of guide board 5 stretches out for the saddle groove, the both ends in saddle groove all are equipped with adjusting lever 6, adjusting lever 6 is rotatory to make two guide boards 5 be close to each other or keep away from, first baffle 1's both ends set up to the cambered surface, the both ends surface of guide board 1 is smooth, reduce the frictional force between first baffle 1 and the saddle groove, be convenient for first baffle 1's removal.
Wherein, the upper end of guide plate 5 is provided with the inclined plane groove that is greater than the saddle groove width, the further positioning of strand and saddle groove open-ended of being convenient for, the lower extreme of guide plate 5 is unanimous with saddle groove width, makes the strand slide in more smoothly.
Wherein, the usage of the angle adjusting tool is as follows:
make about board 3 clip the both sides of the volume that the strand stretches out the saddle groove, will guide 1 earlier and about board 3's lower extreme swing joint, about board 3's upper end and about pole 7 bolt fastening, adjust about pole 7, make about board 3 vertical about pole 7 of going up the lower extreme simultaneously all make up into the rectangle with the strand laminating, extrude and retrain the strand, further reduce the probability that the steel wire is crossed in the strand, observe the angle of strand bottom surface through the spirit level of adjustment arm 2, and rotate through adjustment arm 2 and make the angle of strand bottom surface parallel with the horizontal plane, place pressing plate 4 on the upper surface of last strand, pressing plate 4's both sides all laminate with about board 3, further extrude the strand, reduce steel wire surface radian, make the surface atress of strand more balanced simultaneously.
Wherein, the usage of the guiding tool is as follows: install two guide plates 5 respectively in the upper end of saddle groove, rotatory adjusting lever 6, make two guide plates 5 and the friction plate clamp of saddle groove both sides tight, notice simultaneously that the vertical face of strip guide plate 5 lower extreme flushes with the vertical face of the friction plate of saddle groove, if not flush, then adjust through the gasket between adjustment adjusting lever 6 and the guide plate 5, until the vertical face of guide plate 5 lower extreme flushes with the vertical face of the friction plate of saddle groove, after the adjustment, use the instrument, press and press the clamp plate 4 to make first guide plate 1, the strand and press the clamp plate 4 to impress the saddle groove, first guide plate 1 advances into the saddle groove, slightly expansion has been carried out to the saddle groove, the frictional force between strand and the saddle groove has been reduced, first guide plate 1 slides into after the saddle groove bottom, use the instrument to beat guide plate 1 from the both ends of saddle groove, continue to press clamp plate 4 until the strand slides into the tank bottom, accomplish and get into saddle work.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a suspension bridge main push-towing rope preforming strand is made and is gone into saddle system which characterized in that: comprises a preforming tool: marking steel wires, gathering the marked steel wires into cable strands with hexagonal cross sections, wrapping the cable strands with a binding belt and a wrapping belt, and rolling the cable strands into a disc;
rope strand trimmer: shaping the cross section of the cable strand entering the saddle transition area into a quadrangle;
auxiliary lifting appliance: hoisting and translating the strand to a position thirty to forty centimeters above the saddle groove;
angle adjustment utensil: adjusting the saddle-entering angle of the cable strand to enable the bottom surface of the quadrangular section to be parallel to the horizontal plane;
a guide tool: and the cable strand is guided to be in a saddle groove, so that the resistance in entering is reduced, and the position of the cable strand is limited to avoid the phenomenon of wire error.
2. The suspension bridge main cable preformed strand manufacturing and saddling system of claim 1, wherein: the angle adjustment tool comprises a guide plate (1), an adjusting arm (2), a constraint plate (3) and a pressing plate (4), the constraint plate (3) is fixedly connected to the upper end of the adjusting arm (2), the constraint rod (7) is connected to the upper end and the lower end of the constraint plate (3), the pressing plate (4) and the guide plate (1) are movably connected to the inner side of the constraint rod (7), and the guide plate (1) is located at the lower end of the constraint plate (3).
3. The suspension bridge main cable preformed strand manufacturing and saddling system of claim 1, wherein: the guide tool comprises a first guide plate (1) and a guide plate (5), the guide plate (5) is assembled at the upper end of the saddle groove, the guide plate (5) is fixed with the saddle groove through an adjusting rod (6), two ends of the first guide plate (1) are cambered surfaces, and the surfaces of two ends of the first guide plate (1) are smooth.
4. A suspension bridge main cable preformed strand making and saddling system as claimed in claim 3, wherein: the upper end of the guide plate (5) is provided with an inclined plane groove with the width larger than that of the saddle groove, and the lower end of the guide plate (5) is consistent with that of the saddle groove.
5. The suspension bridge main cable preformed strand manufacturing and saddling system of claim 1, wherein: the angle adjusting tool is used as follows:
make about board (3) clip the both sides of the volume that the strand stretched out the saddle groove, will guide plate (1) earlier and the lower extreme swing joint of about board (3), the upper end and about bar (7) bolt fastening of about board (3), adjust about bar (7), make about board (3) vertical about bar (7) of going up the lower extreme simultaneously all make up the rectangle with the strand laminating, the angle of strand bottom surface is observed to the spirit level through adjusting arm (2), and rotate through adjusting arm (2) and make the angle of strand bottom surface parallel with the horizontal plane, place on the upper surface of last strand and press on board (4).
6. The suspension bridge main cable preformed strand manufacturing and saddling system of claim 1, wherein: the guiding tool is used as follows: the two guide plates (5) are respectively arranged at the upper end of the saddle groove, the adjusting rod (6) is rotated to enable the two guide plates (5) to be clamped with the friction plates at the two sides of the saddle groove, and meanwhile, the vertical surface of the lower end of the sliver guide plate (5) is flush with the vertical surface of the friction plate of the saddle groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910831811.9A CN110593097B (en) | 2019-09-04 | 2019-09-04 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831811.9A CN110593097B (en) | 2019-09-04 | 2019-09-04 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
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| CN110593097A true CN110593097A (en) | 2019-12-20 |
| CN110593097B CN110593097B (en) | 2021-06-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064384A (en) * | 2020-08-17 | 2020-12-11 | 中铁大桥勘测设计院集团有限公司 | Arrangement structure and arrangement method before extrusion and rounding of main cable of suspension bridge |
| CN114790700A (en) * | 2022-05-30 | 2022-07-26 | 中铁大桥(郑州)缆索有限公司 | Method for shaping cable strands of rotary main cable suspension bridge by entering into saddle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064384A (en) * | 2020-08-17 | 2020-12-11 | 中铁大桥勘测设计院集团有限公司 | Arrangement structure and arrangement method before extrusion and rounding of main cable of suspension bridge |
| CN112064384B (en) * | 2020-08-17 | 2021-11-30 | 中铁大桥勘测设计院集团有限公司 | Arrangement structure and arrangement method before extrusion and rounding of main cable of suspension bridge |
| CN114790700A (en) * | 2022-05-30 | 2022-07-26 | 中铁大桥(郑州)缆索有限公司 | Method for shaping cable strands of rotary main cable suspension bridge by entering into saddle |
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| CN110593097B (en) | 2021-06-15 |
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