CN115162201A - Suspension bridge main push-towing rope strand erects and restrains a device - Google Patents
Suspension bridge main push-towing rope strand erects and restrains a device Download PDFInfo
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- CN115162201A CN115162201A CN202211010246.8A CN202211010246A CN115162201A CN 115162201 A CN115162201 A CN 115162201A CN 202211010246 A CN202211010246 A CN 202211010246A CN 115162201 A CN115162201 A CN 115162201A
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- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 95
- 230000008093 supporting effect Effects 0.000 claims abstract description 73
- 230000000670 limiting effect Effects 0.000 claims abstract description 39
- 230000000452 restraining effect Effects 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
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- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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Abstract
The invention discloses a suspension bridge main cable strand erection position restraining device, which comprises: the supporting main frame is arranged on the catwalk cross beam and is used for bearing the acting force of the whole position restraining device; an adjustment assembly disposed on the support main frame, the adjustment assembly for accommodating the height of the mounting strand; a positioning frame. According to the invention, the positioning frame is arranged on the supporting main frame, the installation cable strand penetrates through the positioning frame, and the V-shaped groove on the positioning frame is used for limiting the transverse displacement of the installation cable strand, so that the transverse displacement of the installation cable strand after erection and installation is avoided. The locating rack is integrally connected with the installation cable strand, the catwalk bearing cable and the supporting main frame, so that the defect that the installation cable strand shakes when installed and after installed under the influence of external force can be effectively overcome, and the installation cable strand is convenient to install and manage. The shortcoming that the erection efficiency is low due to the fact that the cable strands vibrate or vibrate due to the influence of external force in the prior art is effectively overcome.
Description
Technical Field
The invention relates to the technical field of suspension bridges, in particular to a suspension bridge main cable strand erection restraining device.
Background
The erection of main cable strands of a suspension bridge is a key link of suspension bridge construction, and the conventional method for erecting the cable strands is a relative sag method. The relative sag method is mature in theory and accumulates a great deal of engineering experience, but when the span of a suspension bridge is increased or the climatic conditions of a cable erecting site are not good, the cable strand can vibrate under the action of self vibration or external force, the monitoring environment required by the relative sag method cannot be met, the cable strand is not conveniently monitored, and the cable strand erection efficiency is low.
Disclosure of Invention
The invention aims to solve the problem that the erection efficiency is low due to vibration or self-vibration of a cable strand under the influence of external force in the prior art, and provides a suspension bridge main cable strand erection restraining device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a suspension bridge main cable strand erects and restrains a device, includes:
the supporting main frame is arranged on the catwalk cross beam and is used for bearing the acting force of the whole position restraining device;
an adjustment assembly disposed on the support main frame, the adjustment assembly for accommodating the height of the mounting strand;
the positioning frame is arranged on the adjusting assembly, is in a V-shaped frame shape and is used for limiting the transverse displacement of the mounting cable strand;
the positioning and ranging assembly is used for positioning and ranging the erection area of the installation cable strand;
the supporting main frame, the positioning frame and the adjusting assembly are all positioned on the same vertical plane;
the elastic component is arranged on the catwalk cross beam and is arranged opposite to the supporting main frame, and the elastic component is used for limiting the relative position between the installation cable strand and the catwalk bearing cable.
Optionally, the positioning frame is a V-shaped groove structure formed by obliquely arranging two bearing plates; the two bearing plates are provided with a plurality of positioning grooves on the connected edges, and the positioning grooves are perpendicular to the V-shaped groove structure; the bearing plate is further provided with:
the partition plates penetrate through the positioning grooves and are arranged in the positioning grooves, the partition plates are parallel to angular bisectors of the V-shaped groove structures, and the partition plates are used for partitioning the inner space of the V-shaped groove structures to form a plurality of accommodating grooves;
the limiting plates are arranged on the bearing plate, are positioned outside the V-shaped groove structure and are arranged in parallel with the partition plates, and are detachably connected with the partition plates;
the two connecting plates are oppositely arranged along the angular bisector of the V-shaped groove structure, one end of each connecting plate is connected with the supporting main frame, and the top end of each connecting plate is connected with the bearing plate.
Optionally, the supporting main frame includes:
the two groups of supporting parts are oppositely arranged on the catwalk cross beam;
an upper cross beam, a middle cross beam and a lower cross beam are sequentially arranged between the two groups of supporting parts from top to bottom, and the lower cross beam, the middle cross beam and the upper cross beam are respectively connected with the two supporting parts;
the upper cross beam is connected with the positioning and ranging assembly, the bottom end of the adjusting assembly is connected with the lower cross beam, the top end of the adjusting assembly is connected with the positioning frame, and the middle cross beam is detachably connected with the positioning frame through the supporting plate.
Optionally, the support portion includes:
the bottom ends of the lower upright columns are connected with the catwalk cross beam, the bottoms of the two lower upright columns are connected through the lower cross beam, and two ends of the middle cross beam are connected to the two lower upright columns respectively;
the bottom end of the upper upright column is connected with the top end of the lower upright column, the upper upright column is detachably connected in the lower upright column, and the top ends of the two upper upright columns are connected through an upper cross beam.
Optionally, the adjusting assembly includes:
the bottom end of the telescopic sleeve is connected with the lower cross beam, and the telescopic sleeve is arranged between the middle cross beams in a penetrating mode;
the bottom of flexible post with telescopic tube's top links to each other, the top of flexible post with the locating rack links to each other, just flexible post with the baffle is parallel.
Optionally, the positioning and ranging assembly includes:
the distance measuring positioning parts are arranged along the axial direction of the upper cross beam in parallel, and are parallel to the accommodating grooves in the partition plates.
Optionally, the ranging positioning part includes:
the positioning plate is arranged on the upper cross beam and close to the positioning frame;
the range finder, the one end of range finder connect in the entablature, the range finder is located two between the locating plate, the range finding end of range finder is located perpendicularly in the holding tank.
Optionally, the take-up assembly includes:
the supporting beam is arranged on the catwalk bearing rope and is parallel to the catwalk cross beam;
one end of the limiting steel cable is wound on the supporting beam, and the limiting steel cable is limited and fixed at one end of the supporting beam through a plurality of rope clamps;
the other end of the limiting steel cable is lapped on the mounting cable strand and extends and winds the other end of the supporting beam, and the other end of the limiting steel cable is also limited and fixed at the other end of the supporting beam through a plurality of rope clamps.
Optionally, the take-up assembly further comprises:
a connecting tab disposed on the support beam;
the inclined strut lug is arranged on the side wall of the lower upright post;
one end of the supporting diagonal rod is hinged with the connecting lug piece, and the other end of the supporting diagonal rod is hinged with the diagonal lug piece;
wherein, the supporting diagonal rod is obliquely arranged between the supporting beam and the lower upright post.
The invention has the beneficial effects that:
according to the invention, the positioning frame is arranged on the supporting main frame, the installation cable strand penetrates through the positioning frame, and the V-shaped groove on the positioning frame is used for limiting the transverse displacement of the installation cable strand, so that the transverse displacement of the installation cable strand after erection and installation is avoided. Installation strand carries on spacingly through the elasticity subassembly simultaneously, avoids catwalk bearing cable and installation strand between the relative position change too big when installation strand erects, reduces other factors that influence installation strand and erect the installation to let constructor carry out the installation of installation strand. Meanwhile, the positioning frame integrally connects the installation strand, the catwalk bearing cable and the supporting main frame, so that the installation strand cannot swing easily along with external force, and the connection strength between the installation strand, the catwalk bearing cable and the positioning frame is effectively enhanced. Can effectually solve installation strand promptly when the installation with install the back receive external force influence take place the shortcoming of shake, be convenient for install and manage the installation strand. The shortcoming that the erection efficiency is low due to the fact that the cable strands vibrate or vibrate due to the influence of external force in the prior art is effectively overcome. In addition, a positioning and ranging assembly and an adjusting assembly are further arranged, so that the positioning and ranging assembly is convenient for ranging the installation strand and is convenient for accurate installation and management of the installation strand; the adjusting assembly can adapt to the working height of the installation cable strand on the adjusting positioning frame, and the actual construction requirements are met.
Drawings
Fig. 1 is a schematic overall structural view (in a front view direction) of a suspension bridge main cable strand erection restraining device provided in an embodiment of the present invention;
fig. 2 is a schematic overall structural diagram (side view direction) of a suspension bridge main cable strand erection restraining device provided in the embodiment of the present invention;
fig. 3 is a schematic structural view of a lower upright post of a suspension bridge main cable strand erection restraining device provided in the embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 isbase:Sub>A cross-sectional view taken along A-A of FIG. 4;
fig. 6 is a schematic structural view of a part of a positioning frame of a suspension bridge main cable strand erection restraining device provided in an embodiment of the present invention;
fig. 7 is a schematic view of a partition plate structure of a suspension bridge main cable strand erection restraining device provided in an embodiment of the present invention.
The symbols in the figure are as follows:
1. a catwalk cross beam; 11. catwalk load-bearing cables;
2. a lower upright post; 21. an upper upright post; 22. a diagonal bracing tab; 221. supporting the diagonal rods; 23. a connecting sleeve; 24. a lower cross beam;
3. a telescopic sleeve; 31. a telescopic column; 32. a middle cross beam; 321. a limiting block;
4. a positioning frame; 41. a partition plate; 411. a limiting plate; 42. installing a cable strand; 421. high-precision cable strands; 43. a connecting plate; 44. positioning a groove; 45. a baffle plate;
5. an upper cross beam; 51. positioning a plate; 52. a distance meter;
6. a limiting steel cable; 61. rope clips; 62. a support beam; 621. a support plate; 622. the tab is attached.
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.
It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example one
Referring to fig. 1-7, a suspension bridge main push-towing rope erects and restrains position device, restrain the position device and set up on catwalk crossbeam 1, wherein, catwalk crossbeam 1 is for erectting the portal floorbar on catwalk bearing cable 11, and wherein the portal is not seen in the drawing, restrain position device and utilize locating rack 4 to carry out spacing with the installation strand 42 that has erect, carry out horizontal spacing to the installation strand 42 that has erect, let the installation strand 42 that has erect in the spacing space of locating rack 4, locating rack 4 erects self in the catwalk system, let installation strand 42, locating rack 4 and the catwalk system that have erect link into a whole, avoid installation strand 42 that has erect and be located and wait to transfer regional installation strand 42 on the position device and receive the wind power influence and take place horizontal displacement, guaranteed the overall stability and the wind resistance of installation strand 42. The influence of wind blowing on the installation cable strand 42 during erection and installation is reduced.
Specifically, the position restraining device includes: support main frame, locating rack 4, adjusting part, location range finding subassembly, elasticity subassembly. The supporting main frame is arranged on the catwalk cross beam 1 and is used for bearing acting force of the whole position restraining device. The adjusting assembly is arranged on the supporting main frame and is used for adapting to the height of the installation cable strand 42 and avoiding the mutual influence of the installation cable strand 42 on the vertical direction. Locating rack 4 sets up on the adjusting part, locating rack 4 is V-arrangement frame form, locating rack 4 is used for restricting the lateral displacement of installation strand 42. The location range finding subassembly sets up support on the main frame, just support the main frame the locating rack 4 the adjusting part all is in on same vertical plane, the location range finding subassembly is located the top of locating rack 4, the location range finding subassembly is used for being located on the locating rack 4 the erection position of installation strand 42 is fixed a position the range finding to be convenient for adjust the mounted position of installation strand 42. The elasticity subassembly sets up on the catwalk crossbeam 1, the elasticity subassembly with support the relative setting of main frame, the elasticity subassembly is used for the restriction relative position between installation strand 42 and the catwalk bearing cable 11 avoids the clearance between installation strand 42 and the catwalk bearing cable 11 too big, and the constructor of being convenient for adjusts the installation and erects. In this embodiment, by arranging the positioning frame 4 on the supporting main frame, the mounting cable strand 42 passes through the positioning frame 4, so that the V-shaped groove on the positioning frame 4 limits the lateral displacement of the mounting cable strand 42, and the mounting cable strand 42 is prevented from lateral displacement after erection and installation. Installation strand 42 simultaneously carries on spacingly through the elasticity subassembly, avoid when installation strand 42 erects catwalk bearing cable 11 and installation strand 42 between the relative position change too big, reduce the other factors that influence installation strand 42 erects the installation, so that let constructor install the installation of strand 42, locating rack 4 will install strand 42 simultaneously, catwalk bearing cable 11, support the whole relation of main frame, let installation strand 42 can not swing along with external force easily, effectual reinforcing installation strand 42, catwalk bearing cable 11, joint strength between the locating rack 4. . The defect that the installation cable strand 42 shakes when and after being installed under the influence of external force can be effectively overcome, and the installation cable strand 42 is installed and managed conveniently. The shortcoming that the erection efficiency is low due to the fact that the cable strands vibrate or vibrate due to the influence of external force in the prior art is effectively overcome. In addition, a positioning and ranging assembly and an adjusting assembly are arranged, so that the positioning and ranging assembly is convenient for ranging the installation cable strand 42 and is convenient for accurate installation and management of the installation cable strand 42; the adjusting assembly can adapt to the working height of the installation cable strand 42 on the adjusting positioning frame 4, and the actual construction requirements are met. It should be noted that, in this embodiment, the manner of performing ranging and positioning on the installation position of the installation strand 42 by the positioning and ranging assembly is not limited to one. That is the mounted position of location range finding subassembly not only can set up on locating rack 4 or support main frame, can also set up in the trend setting along catwalk bearing cable, only need can let the relative position of location range finding subassembly to the installation strand 42 that has erect and the installation strand 42 that treats to transfer carry out real-time supervision can. And will not be summarized here.
Referring to fig. 1, 4, 5, 6 and 7, the positioning frame 4 is formed by two bearing plates (not shown) that are inclined to form a V-shaped groove structure. The bearing plate is further provided with: a plurality of partition plates 41, a plurality of stopper plates 411, and two connecting plates 43. Two the loading board is provided with a plurality of constant head tanks 44 on the edge that meets, constant head tank 44 perpendicular to V-arrangement groove structure. Baffle 41 run through set up in the constant head tank 44, baffle 41 with the angular bisector of V-arrangement groove structure is parallel, baffle 41 is used for separating the inner space of V-arrangement groove structure, forms a plurality of holding tanks, location range finding subassembly is located the top of holding tank, installation strand 42 is located in the holding tank. The limiting plate 411 is arranged on the bearing plate, the limiting plate 411 is located outside the V-shaped groove structure, the limiting plate 411 is parallel to the partition plate 41, a positioning hole (not shown) is formed in the limiting plate 411, the limiting plate 411 is located on one side of the partition plate 41, and the limiting plate 411 is detachably connected with the partition plate 41 through a bolt and a pin penetrating through the positioning hole. In this embodiment, after the partition board 41 partitions the inner space of the V-shaped groove structure, the partition board 41 is fixed by the limiting board 411, so as to avoid the partition board 41 sliding in the positioning groove 44, thereby ensuring the limiting effect of the partition board 41 on the installation strand 42. Meanwhile, when the separation height of the partition plate 41 on the positioning frame 4 needs to be adjusted, the partition plate 41 slides inside the positioning groove 44, and after the adjustment is finished, the partition plate 41 is fixed by the limiting plate 411 through a pin or a bolt, so that the isolation depth of the partition plate 41 inside the V-shaped groove structure can be conveniently adjusted and controlled. The two connecting plates 43 are oppositely arranged along the angular bisector of the V-shaped groove structure, the bottom ends of the connecting plates 43 are connected with the supporting main frame, and the top ends of the connecting plates 43 are connected with the bearing plate. The connecting plate 43 is used for bearing part of the bearing stress of the V-shaped groove structure. In this embodiment, in order to ensure that the inside of the V-shaped groove structure transversely limits the number of the mounting strands 42, two separating baffles 45 are respectively disposed at two ends of the V-shaped groove structure away from each other, and the two separating baffles 45 are disposed in parallel with the partition plate 41. Namely, the two baffle plates 45 are vertically connected to the two ends of the V-shaped groove structure, so that the installation strand 42 can be effectively prevented from falling out of the inner space of the V-shaped groove structure. While also facilitating the separation of the partitions 41. In this embodiment, in order to ensure the bearing strength of the positioning frame 4, the positioning frame 4 is an integrally formed structure. Namely, the two bearing plates are in an integral structure.
Referring to fig. 1 and 4, in this embodiment, in order to facilitate the connection between the positioning frame 4 and the connecting plate 43, the bearing plates are L-shaped plates, the two bearing plates are arranged in a mirror image manner, and two side plates on the two bearing plates are connected to form a V-shaped groove structure. The other two side plates of the two bearing plates are respectively inserted into the connecting plate 43. In this embodiment, in order to ensure the supporting strength of the connecting plate 43 on the two bearing plates and ensure the number of the bearing strands of the V-shaped groove structure, the V-shaped opening angle of the V-shaped groove structure formed by the two bearing plates is a, and the value range of a is as follows: 80 < a < 120. Namely, the value of a can be: 81 °, 82 °, 83 °, …, 100 °, 101 °, …, 119 °, and so on.
In this embodiment, the supporting main frame includes: two sets of supports, lower cross member 24, middle cross member 32 and upper cross member 5. Two sets of supporting parts are arranged on the catwalk cross beam 1 oppositely, and the supporting parts are used for supporting and bearing the whole positioning frame 4 and the bearing stress on the adjusting assembly. The lower cross beam 24, the middle cross beam 32 and the upper cross beam 5 are sequentially and transversely arranged between the two groups of supporting parts from top to bottom, and the lower cross beam 24, the middle cross beam 32 and the upper cross beam 5 are respectively connected with the two supporting parts. The upper beam 5 with the location range finding subassembly links to each other, adjusting part's one end with the bottom end rail 24 links to each other, the entablature 32 passes through the backup pad 621 with the connection can be dismantled to the locating rack 4, and the adjusting part on the locating rack 4 of being convenient for adjusts the mounted position who adapts to installation strand 42. In this embodiment, through installation location range finding subassembly on entablature 5, location range finding subassembly is used for right the range finding is fixed a position in the region of erectting of installation strand, installs adjusting part on well crossbeam 32 and bottom end rail 24, lets location range finding subassembly and adjusting part and locating rack 4 be in same vertical line, lets on the one hand support the main frame and bear the weight of the support to location range finding subassembly, adjusting part and locating rack 4, and on the other hand is also convenient for location range finding subassembly is surveyed to and adjusting part adjusts the working height of installation strand 42.
In the present embodiment, in order to ensure that the positioning distance meter 52 can adjust the distance measurement height on the supporting portion, the supporting portion can be adjusted in height up and down. In particular, a set of said supports comprises: an upper column 21 and a lower column 2. The bottom of lower column 2 with catwalk crossbeam 1 links to each other, two the bottom of lower column 2 links to each other through a bottom end rail 24, the both ends of middle cross beam 32 are connected respectively on two lower columns 2. The bottom end of the upper upright post 21 is connected with the top end of the lower upright post 2, and the upper upright post 21 is connected in the lower upright post 2 in a sliding manner. The top ends of the two upper upright posts 21 are connected through an upper cross beam 5.
In this embodiment, the lower column 2 and the upper column 21 are both square pipe sleeves, and the diameter length of the lower column 2 is greater than that of the upper column 21, so that the upper column 21 can slide in the lower column 2. In this embodiment, in order to facilitate control of the sliding position of the upper column 21 in the lower column 2, a plurality of sets of through holes (not shown) are disposed on the outer walls of the upper column 21 and the lower column 2, the distance between the through holes of the upper column 21 and the lower column 2 is consistent, so as to facilitate accurate control of the sliding position of the upper column 21 on the lower column 2, and the through holes of the upper column 21 and the lower column 2 are connected through bolts or pins. That is, the bolt or the pin shaft penetrates through the through holes of the upper upright post 21 and the lower upright post 2 in sequence, and the upper upright post 21 is fixed inside the lower upright post 2, so that the upper upright post 21 is effectively prevented from sliding on the lower upright post 2 in a displacement manner. In this embodiment, in order to prevent the upper column 21 from completely sliding down to the inside of the lower column 2, a snap-gauge (not shown) is disposed at the top end of the upper column 21, and the diameter of the snap-gauge is longer than the diameter of the hole of the lower column 2, so that the upper column 21 can be effectively prevented from completely sliding down to the inside of the upper column 21. In this embodiment, in order to avoid the interference of the middle cross beam 32 to the operation of the telescopic sleeve 23, the middle cross beam 32 is two transverse plates (not shown in the figure), the two transverse plates are relatively connected below the connecting plate 43, and the two ends of the two transverse plates are connected with the lower upright post 2 through the connecting sleeve 23, in addition, in this embodiment, in order to prevent the telescopic sleeve 3 from displacing between the two transverse plates, two limiting blocks 321 are arranged on the transverse plates, two limiting blocks 321 and two transverse plates form a rectangular frame, and the telescopic sleeve 3 is located in the rectangular frame for limiting.
In this embodiment, in order to ensure the adjusting and supporting effect of the adjusting assembly on the positioning frame 4, the adjusting assembly is provided with two sets of adjusting assemblies, the two sets of adjusting assemblies are arranged oppositely, the bottom end of the adjusting assembly penetrates through the middle cross beam 32 to be connected with the lower cross beam 24, and the top end of the adjusting assembly is connected with the positioning frame 4. Specifically, a set of adjusting components is described as an example, and the adjusting components include: a telescopic sleeve 3 and a telescopic column 31. The bottom of telescopic tube 3 with lower beam 24 links to each other, the bottom of telescopic column 31 with the top of telescopic tube 3 links to each other, the top of telescopic column 31 with locating rack 4 links to each other, just telescopic column 31 with baffle 41 is parallel. In this embodiment, the telescopic tube 3 is used to control the telescopic amount of the telescopic column 31. The telescopic height of the telescopic column 31 is controlled through the telescopic sleeve 3, the supporting height of the positioning frame 4 on the telescopic column 31 is effectively adjusted, and the working height of the mounting cable strand 42 on the positioning frame 4 is conveniently adjusted. In addition, in the present embodiment, the structure of the telescopic sleeve 3 coincides with that of the support portion. Namely, the telescopic sleeve 3 comprises two sleeves, the diameters of the two sleeves are one large and one small, the small sleeve is sleeved in the large sleeve in a sliding mode, through holes are formed in the large sleeve and the small sleeve, the distance between the small sleeve and the through holes in the large sleeve is consistent, so that the sliding position of the small sleeve on the large sleeve can be controlled accurately, and the small sleeve and the through holes in the large sleeve are connected through bolts or pin shafts. The bolt or the pin shaft sequentially penetrates through the through holes of the small sleeve and the large sleeve to fix the small sleeve in the large sleeve, so that the small sleeve is effectively prevented from displacing and sliding on the large sleeve. In this embodiment, in order to prevent the small sleeve from completely sliding down into the large sleeve, a fixed plate (not shown in the figure) is disposed at the top end of the small sleeve, and the diameter of the fixed plate is greater than the diameter of the hole of the large sleeve, so that the small sleeve can be effectively prevented from completely sliding down into the small sleeve.
In this embodiment, the support and bearing effect of the central beam 32 on the telescopic tube 3 and the positioning frame 4 is ensured. The two ends of the middle cross beam 32 are respectively provided with a connecting sleeve 23, the two connecting sleeves 23 are respectively sleeved on the two lower upright posts 2, and the connecting sleeves 23 are detachably connected with the lower upright posts 2 through bolts or pin shafts. The middle cross beam 32 is further provided with a limiting block 321, and the telescopic sleeve 3 is connected with the middle cross beam 32 through the limiting block 321. In this embodiment, through linking to each other telescopic tube 3 with middle cross beam 32, when telescopic tube 3 passes through the bearing height of telescopic column 31 adjustment locating rack 4, middle cross beam 32 also can be along with telescopic tube 3's flexible direction adjustment position to let middle cross beam 32 support through connecting plate 43 and bear locating rack 4, guaranteed locating rack 4's working strength.
Referring to fig. 1, the positioning and ranging assembly is disposed on the upper beam 5, and includes: the distance measuring positioning part is arranged along the axial direction of the upper cross beam 5 in parallel, the distance measuring positioning part is parallel to the gap between the two partition plates 41 on the positioning frame 4, and the distance measuring positioning part is used for distance measuring and positioning the installation cable strand 42 between the partition plates 41. The multiple groups of distance measurement positioning parts are used for limiting the transverse position of the installation cable strand, and measuring the height difference of the relative positions of the erected installation cable strand and the installation cable strand to be adjusted in the vertical relative position, so that the subsequent accurate adjustment and control can be conveniently carried out. Specifically, a group of the positioning and ranging units is described. The positioning and ranging unit includes: a positioning plate 51 and a distance meter 52, the positioning plate 51 is arranged on the upper beam 5, and the positioning plate 51 is close to the positioning frame 4. One end of the distance measuring instrument 52 is connected to the upper cross beam 5, and the distance measuring end of the distance measuring instrument 52 is vertically positioned in the accommodating groove, so that the distance measuring instrument 52 can conveniently position and measure the distance of the installation cable strand 42 in the accommodating groove. In the present embodiment, in order to avoid mutual interference between a plurality of distance meters 52, the distance meters 52 are disposed between two adjacent positioning plates 51. I.e. said rangefinders 52 are spaced apart by positioning plates 51. In this embodiment, the range finder 52 may be a laser range finder or a sonic range finder. In this embodiment, the distance meter 52 may also be disposed on the upright column, or an image acquisition manner may be disposed on the catwalk system to measure the relative height difference between the erected installation cable 42 and the installation cable 42 to be adjusted. Will not be described in detail herein.
Referring to fig. 2, in the present embodiment, in order to facilitate adjustment of the placement position of the mounting strand 42 on the positioning frame 4 and limitation of the mounted mounting strand 42. The take-up assembly includes: support beam 62, spacing cable 6, rope clamp 61. The support beam 62 is arranged on the catwalk bearing rope 11, and the support beam 62 is arranged in parallel and oppositely to the catwalk beam 1. One end of the limiting steel cable 6 is wound on the supporting beam 62, and the limiting steel cable 6 is limited and fixed at one end of the supporting beam 62 through a plurality of cable clamps 61. The other end of the limiting steel cable 6 is lapped on the mounting strand 42 and extends to the other end of the supporting beam 62, and the other end of the limiting steel cable 6 is also limited and fixed at the other end of the supporting beam 62 through a plurality of rope clamps 61. In this embodiment, the supporting beam 62 is lifted by controlling the amount of tension of the limit wire 6, so as to limit the distance between the relative positions of the mounting strands 42 and the supporting beam 62, thereby preventing the relative position distance between the catwalk bearing rope 11 and the mounting strands 42 from being too large, and avoiding affecting the mounting positions of the subsequent mounting strands 42. In the present embodiment, by providing the limiting steel cable 6, the supporting beam 62 and the cable clamp 61, on one hand, the installation stability of the installation strand 42 is ensured, and on the other hand, the wind-proof and shock-proof capability of the installation strand 42 is effectively enhanced.
Referring to fig. 2, in this embodiment, in order to enhance the strength of the connection on the support beam 62 and the stability of the restraining wire 6. The take-up assembly further comprises: attachment tabs 622, sprag tabs 22, and support struts 221. The connecting lug 622 is arranged on the supporting beam 62, the inclined strut lug 22 is arranged on the side wall of the lower upright 2, one end of the supporting inclined rod 221 is hinged to the connecting lug 622, the other end of the supporting inclined rod 221 is hinged to the inclined strut lug 22, and the supporting inclined rod 221 is obliquely arranged between the supporting beam 62 and the lower upright 2. That is, the supporting beam 62 is fixed with the lower upright post 2 and the catwalk beam 1 through the supporting diagonal rod 221 to form a whole, so that the wind-proof and anti-shaking capabilities of the mounting cable 42 are effectively enhanced. In addition, in this embodiment, in order to ensure the installation and positioning effect of the installation strand 42 on the positioning frame 4, a high-precision strand 421 is further installed inside the V-shaped groove structure of the positioning frame 4, the high-precision strand 421 is installed in the V-shaped groove structure of the positioning frame 4 in an opposite manner, and the high-precision strand 421 is installed as a base point in the V-shaped groove structure of the positioning frame 4, so as to make a subsequent comparison with the installation of the installation strand 42.
In this embodiment, the method for suppressing bits by using the bit suppression device includes the following steps:
the method comprises the following steps: a main supporting frame is built on the catwalk beam 1;
step two: the bottom end of the telescopic sleeve 3 is arranged on the lower cross beam 24, the positioning frame 4 is connected with and arranged at the top end of the telescopic sleeve 3, and the telescopic sleeve 3 is used for adjusting and adapting the erection height of the installation cable strand 42;
step three: the positioning and ranging part is arranged on the upper cross beam 5 and is positioned on the positioning frame 4;
step four: installing the high-precision cable strand 421 in the V-shaped groove structure of the positioning frame 4, using the high-precision cable strand 421 as a base point coordinate, installing the installation cable strand 42 by erecting the high-precision cable strand 421 in cooperation with the positioning distance measuring instrument 52, adjusting the isolation height of the partition plate 41 in the positioning frame 4, and continuously placing the installation cable strand 42;
step five: adjust the one end length of 6 spacing cable wires, let 6 whole tight setups of spacing cable wires on installation strand 42, control the tensile volume of 6 spacing cable wires, let 6 positions of supporting beam 62 of spacing cable wires promote, utilize rope clamp 61 to carry out spacing fixed to the spacing cable wires 6 of promotion, it is too big to prevent that catwalk bearing cable 11 from receiving too much influence whereabouts of installation strand 42, avoids catwalk bearing cable 11 to influence the position of erectting of installation strand 42.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a suspension bridge main push-towing rope strand erects and restrains a device which characterized in that includes:
the supporting main frame is arranged on the catwalk cross beam and is used for bearing the acting force of the whole position restraining device;
an adjustment assembly disposed on the support main frame, the adjustment assembly for accommodating a height of the mounting strand;
the positioning frame is arranged on the adjusting assembly, is in a V-shaped frame shape and is used for limiting the transverse displacement of the mounting cable strand;
the positioning and ranging assembly is used for positioning and ranging the erection area of the installation cable strand;
the supporting main frame, the positioning frame and the adjusting assembly are all positioned on the same vertical plane;
the elastic component is arranged on the catwalk cross beam and is arranged opposite to the supporting main frame, and the elastic component is used for limiting the relative position between the installation cable strand and the catwalk bearing cable.
2. The suspension bridge main cable strand erection restraint device of claim 1, wherein the positioning frame is a V-shaped groove structure formed by obliquely arranging two bearing plates; the two bearing plates are provided with a plurality of positioning grooves on the connected edges, and the positioning grooves are perpendicular to the V-shaped groove structure; the bearing plate is further provided with:
the partition plates penetrate through the positioning grooves and are arranged in the positioning grooves, the partition plates are parallel to angular bisectors of the V-shaped groove structures, and the partition plates are used for partitioning the inner space of the V-shaped groove structures to form a plurality of accommodating grooves;
the limiting plates are arranged on the bearing plate, are positioned outside the V-shaped groove structure and are arranged in parallel with the partition plates, and are detachably connected with the partition plates;
the two connecting plates are oppositely arranged along the angular bisector of the V-shaped groove structure, one end of each connecting plate is connected with the supporting main frame, and the top end of each connecting plate is connected with the bearing plate.
3. The suspension bridge main cable strand erection restraint device of claim 2, wherein said supporting main frame includes:
the two groups of supporting parts are oppositely arranged on the catwalk cross beam;
an upper cross beam, a middle cross beam and a lower cross beam are sequentially arranged between the two groups of supporting parts from top to bottom, and the lower cross beam, the middle cross beam and the upper cross beam are respectively connected with the two supporting parts;
the upper cross beam is connected with the positioning and ranging assembly, the bottom end of the adjusting assembly is connected with the lower cross beam, the top end of the adjusting assembly is connected with the positioning frame, and the middle cross beam is detachably connected with the positioning frame through the supporting plate.
4. A suspension bridge main cable strand erection restraint device according to claim 3, wherein said support portion comprises:
the bottom ends of the lower upright columns are connected with the catwalk cross beam, the bottoms of the two lower upright columns are connected through the lower cross beam, and two ends of the middle cross beam are connected to the two lower upright columns respectively;
the bottom end of the upper upright column is connected with the top end of the lower upright column, the upper upright column is detachably connected in the lower upright column, and the top ends of the two upper upright columns are connected through an upper cross beam.
5. A suspension bridge main cable strand erection restraint device according to claim 4, characterized in that said adjustment assembly comprises:
the bottom end of the telescopic sleeve is connected with the lower cross beam, and the telescopic sleeve is arranged between the middle cross beams in a penetrating manner;
the bottom of flexible post with telescopic tube's top links to each other, the top of flexible post with the locating rack links to each other, just flexible post with the baffle is parallel.
6. The suspension bridge main cable strand erection restraint device of claim 5, wherein said positioning and ranging assembly comprises:
the distance measuring positioning parts are arranged along the axial direction of the upper cross beam in parallel, and are parallel to the accommodating grooves in the partition plates.
7. The suspension bridge main cable strand erection restraint device of claim 6, wherein said range finding location portion includes:
the positioning plate is arranged on the upper cross beam and close to the positioning frame;
the range finder, the one end of range finder connect in the entablature, the range finder is located two between the locating plate, the range finding end of range finder is located perpendicularly in the holding tank.
8. A suspension bridge main strand erection restraint device according to any one of claims 4-7, wherein said slack assembly comprises:
the supporting beam is arranged on the catwalk bearing rope and is parallel to the catwalk cross beam;
one end of the limiting steel cable is wound on the supporting beam, and the limiting steel cable is limited and fixed at one end of the supporting beam through a plurality of rope clamps;
the other end of the limiting steel cable is lapped on the mounting cable strand and extends and winds the other end of the supporting beam, and the other end of the limiting steel cable is also limited and fixed at the other end of the supporting beam through a plurality of rope clamps.
9. The suspension bridge main cable strand erection restraint device of claim 8, wherein said slack assembly further comprises:
a connecting tab disposed on the support beam;
the inclined strut lug is arranged on the side wall of the lower upright post;
one end of the supporting diagonal rod is hinged with the connecting lug piece, and the other end of the supporting diagonal rod is hinged with the diagonal lug piece;
wherein, the supporting diagonal rod is obliquely arranged between the supporting beam and the lower upright post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211010246.8A CN115162201A (en) | 2022-08-23 | 2022-08-23 | Suspension bridge main push-towing rope strand erects and restrains a device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211010246.8A CN115162201A (en) | 2022-08-23 | 2022-08-23 | Suspension bridge main push-towing rope strand erects and restrains a device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115162201A true CN115162201A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211010246.8A Pending CN115162201A (en) | 2022-08-23 | 2022-08-23 | Suspension bridge main push-towing rope strand erects and restrains a device |
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| Country | Link |
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| CN (1) | CN115162201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428977A (en) * | 2023-03-27 | 2023-07-14 | 广东省公路建设有限公司 | Main cable strand positioning and adjusting method, system and storage medium based on laser array |
-
2022
- 2022-08-23 CN CN202211010246.8A patent/CN115162201A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428977A (en) * | 2023-03-27 | 2023-07-14 | 广东省公路建设有限公司 | Main cable strand positioning and adjusting method, system and storage medium based on laser array |
| CN116428977B (en) * | 2023-03-27 | 2024-02-06 | 广东省公路建设有限公司 | Main cable strand positioning and adjusting method, system and storage medium based on laser array |
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