CN113073561A - Bridge prestressing force is high-efficient rigging equipment for tensioning equipment - Google Patents

Bridge prestressing force is high-efficient rigging equipment for tensioning equipment Download PDF

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Publication number
CN113073561A
CN113073561A CN202110339384.XA CN202110339384A CN113073561A CN 113073561 A CN113073561 A CN 113073561A CN 202110339384 A CN202110339384 A CN 202110339384A CN 113073561 A CN113073561 A CN 113073561A
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CN
China
Prior art keywords
arc
alignment
alignment plate
prestress tensioning
lifting
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Pending
Application number
CN202110339384.XA
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Chinese (zh)
Inventor
李新宇
李明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xihu Construction Group Co ltd
Original Assignee
Hunan Xihu Construction Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Xihu Construction Group Co ltd filed Critical Hunan Xihu Construction Group Co ltd
Priority to CN202110339384.XA priority Critical patent/CN113073561A/en
Publication of CN113073561A publication Critical patent/CN113073561A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses a high-efficiency assembling device for bridge prestress tension equipment, which comprises: a frame; the lifting platform is movably arranged on the frame in a lifting way; the horizontal movable platform is horizontally and movably arranged on the lifting platform; the alignment frame is arranged on the horizontal movable table, an arc-shaped alignment plate and an alignment disc mounting seat are arranged on the upper end face of the alignment frame, the inner wall of the arc-shaped alignment plate is a cambered surface and used for supporting and placing a prestress tensioning jack, the alignment disc mounting seat is used for placing an alignment disc, and the arc-shaped alignment plate is aligned with the alignment disc mounting seat; and the travelling crane is used for hoisting the prestress tensioning jack to the arc-shaped alignment plate. The steel strands are pre-threaded by utilizing the aligning disc, so that the relative position of each steel strand is stable, and the pre-stressed tensioning jack is aligned to the aligning disc to move to realize the one-time threading of all the steel strands; the automatic alignment of the prestress tensioning jack and the alignment plate is realized by utilizing the arc alignment plate and the alignment plate mounting seat, and the operation is convenient.

Description

Bridge prestressing force is high-efficient rigging equipment for tensioning equipment
Technical Field
The invention relates to the field of prestressed tensioning construction, in particular to efficient assembling equipment for bridge prestressed tensioning equipment.
Background
At present, a bracket needs to be erected manually for prestressed tensioning of a cast-in-situ bridge on site, tensioning equipment, particularly a tensioning jack, is transported manually, the jack is heavy, effective machinery cannot be used in a partial area, construction progress is slow and unsafe, and when steel strands are threaded, working anchors are often installed because the number of the steel strands is large, positions are unstable, and the movable jack is difficult to be aligned with all the steel strands for threading at one time.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides efficient assembling equipment for bridge prestress tensioning equipment, which can efficiently and accurately complete the installation of steel strands.
According to the embodiment of the invention, the efficient assembling equipment for the bridge prestress tensioning equipment comprises: a frame; the lifting platform is movably arranged on the frame in a lifting way; the horizontal movable platform is horizontally and movably arranged on the lifting platform; the alignment frame is arranged on the horizontal movable table, an arc-shaped alignment plate and an alignment disc mounting seat are arranged on the upper end face of the alignment frame, the inner wall of the arc-shaped alignment plate is a cambered surface and used for supporting and placing a prestress tensioning jack, the alignment disc mounting seat is used for placing an alignment disc, and the arc-shaped alignment plate is aligned with the alignment disc mounting seat; and the travelling crane is used for hoisting the prestress tensioning jack to the arc-shaped alignment plate.
According to the embodiment of the invention, the efficient assembling equipment for the bridge prestress tensioning equipment at least has the following technical effects: firstly, pre-threading the steel strands by using a positioning disc to stabilize the relative position of each steel strand, and then aligning the positioning disc to move by using a prestressed tensioning jack to realize the one-time threading of all the steel strands; the arc-shaped alignment plate and the alignment plate mounting seat are utilized to realize the automatic alignment of the prestress tensioning jack and the alignment plate, so that the operation is convenient; the crane can realize automatic hoisting and moving of the prestress tensioning jack, so that the labor is saved and the operation is convenient; the installation position of the steel strand is adapted through the movement of the lifting platform and the horizontal movable platform.
According to some embodiments of the invention, the inner wall of the arc-shaped alignment plate is provided with a plurality of groups of rollers arranged around the axis of the inner wall, each group of rollers is arranged in a straight line along the length direction of the arc-shaped alignment plate, the rotation axis of the rollers is perpendicular to the length direction of the arc-shaped alignment plate, and the tops of the rollers protrude out of the inner wall of the arc-shaped alignment plate to contact with the outer wall of the prestress tensioning jack.
According to some embodiments of the invention, a plurality of caulking grooves are formed in the inner wall of the arc-shaped alignment plate corresponding to a plurality of groups of rollers, a plurality of groups of shaft grooves are formed in two side walls of each caulking groove, and the plurality of groups of shaft grooves in the same caulking groove are arranged at intervals along the length direction of the caulking groove; the roller is provided with a central shaft, two ends of the central shaft are embedded into a group of shaft grooves, and the roller is partially embedded into the embedded grooves and protrudes out of the inner wall of the arc-shaped alignment plate at the top.
According to some embodiments of the invention, the device further comprises a plurality of installation clamping strips, each installation clamping strip is correspondingly installed in one caulking groove, and the installation clamping strips are embedded in the caulking grooves and provided with avoidance holes for avoiding the rollers.
According to some embodiments of the invention, two sides of the mounting clamping strip are provided with positioning clamping blocks which are clamped into the shaft grooves.
According to some embodiments of the invention, the alignment disc mounting seat is an arc-shaped ring, the inner wall of the alignment disc mounting seat is provided with a positioning groove for the alignment disc to be embedded in, and the side wall of the positioning groove is provided with a fastening hole for mounting a fastening piece to fix the alignment disc in the positioning groove.
According to some embodiments of the invention, the upper surface of the lifting platform is provided with a plurality of horizontally extending slide rails, the bottom of the horizontal movable platform is provided with a slide groove correspondingly matched with the slide rails, the horizontal movable platform is provided with a clamping hole, and a clamping bolt is installed in the clamping hole and used for fixing the horizontal movable platform.
According to some embodiments of the invention, a walking platform is arranged at the upper end of the frame, an avoidance strip opening is arranged on the walking platform corresponding to the upper part of the arc-shaped alignment plate, flanges are arranged on two sides of the avoidance strip opening, and the travelling crane moves between the two flanges.
According to some embodiments of the invention, the traveling crane is provided with a through hole corresponding to the avoidance line opening, a lifting hoist is installed at one side of the through hole, a pulley is arranged above the through hole, the lifting hoist is used for winding a lifting rope, and the lifting rope is wound on the pulley and sequentially passes through the through hole and the avoidance line opening to be connected with the lower prestress tensioning jack.
According to some embodiments of the invention, the travelling crane is provided with a hook at its end, the travelling crane is provided with a counterweight and the through-hole is located between the counterweight and the hoisting winch.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;
FIG. 2 is an exploded view of an installation of an embodiment of the present invention;
FIG. 3 is a bottom view structural schematic diagram of the alignment rack;
FIG. 4 is a top view structural schematic diagram of the alignment rack;
FIG. 5 is a schematic view of the alignment rack in an exploded state;
FIG. 6 is a schematic view of the structure of the mounting strip;
fig. 7 is a schematic structural view of a traveling crane.
Reference numerals:
the device comprises a rack 100, a walking platform 110, an avoidance strip opening 111, a rib 112, a lifting guide column 120, a bottom plate 130, a screw jack 140, a vertical rod 150 and a support rod 160;
a lifting platform 200 and a slide rail 210;
the horizontal movable table 300, the sliding groove 310, the shaft hole 320, the clamping hole 330 and the clamping bolt 340;
the alignment rack 400, the arc-shaped alignment plate 410, the embedding slot 411, the shaft slot 412, the alignment disc mounting seat 420, the positioning slot 421, the fastening hole 422, the alignment disc 430, the pre-assembling hole 431, the positioning hole 432, the roller 440, the central shaft 441, the mounting clamping strip 450, the avoiding hole 451, the embedding part 452, the positioning clamping block 453 and the rotating shaft 460;
a travelling crane 500, a through hole 510, a pulley 520, a lifting winch 530, a balancing weight 540 and a hook 550;
prestress tensioning jack 600 and hoisting structure 610.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the efficient assembling apparatus for a bridge prestress tensioning apparatus according to an embodiment of the present invention includes a frame 100, a lifting table 200, a horizontal movable table 300, an alignment jig 400, and a traveling crane 500.
The lifting platform 200 is movably mounted on the frame 100 in a lifting manner, the position of the lifting platform is adjusted to adapt to the mounting height of the steel strand, and the horizontal movable platform 300 is movably mounted on the lifting platform 200 in a horizontal manner, and the position of the horizontal movable platform is adjusted to adapt to the position of the steel strand. The aligning frame 400 is mounted to the horizontal movable stage 300 to move with the horizontal movable stage 300. The alignment frame 400 up end is equipped with arc alignment board 410 and alignment dish mount pad 420, and arc alignment board 410 is whole to be circular arc platelike, and arc alignment board 410 inner wall is used for supporting for the cambered surface to place prestressing force stretch-draw jack 600, and alignment dish mount pad 420 is used for placing alignment dish 430, and arc alignment board 410 aligns with alignment dish mount pad 420. The aligning disc 430 is provided with a plurality of pre-installation holes 431 for the steel strands to pass through, during construction, all the steel strands firstly pass through the pre-installation holes 431 of the aligning disc 430, the aligning disc 430 is small in size and light, the steel strands are more simple and convenient to penetrate than the pre-stressed tensioning jack 600, the multi-steel strands are pre-penetrated and installed by the aid of the aligning disc 430, relative positions of all the steel strands are stable, and the pre-stressed tensioning jack 600 is aligned to the aligning disc 430 to move to achieve one-time penetrating and installing of all the steel strands. Usually, the outer peripheral wall of the prestress tensioning jack 600 is a cylindrical surface, and when the prestress tensioning jack 600 is arranged on the inner wall of the arc-shaped aligning plate 410, the prestress tensioning jack 600 can be automatically coaxially aligned with the aligning plate 430 on the aligning plate mounting seat 420, so that automatic alignment is realized, and the operation is convenient; the traveling crane 500 is used to hoist the prestress tension jack 600 to the arc aligning plate 410. The crane can realize automatic hoisting and moving of the prestress tensioning jack 600, and is labor-saving and convenient to operate.
Specifically, the bottom of the frame is provided with a bottom plate 130, the upper end of the frame is provided with a walking platform 110, and the bottom plate 130 is connected with the walking platform 110 through a vertical rod 150. In order to stably lift the lifting platform 200, a plurality of lifting guide pillars 120 are disposed between the walking platform 110 and the bottom plate 130, and guide holes adapted to the lifting guide pillars 120 are disposed at four corners of the lifting platform 200 to realize lifting guidance. In addition, the lifting of the lifting platform 200 is usually realized by an external driving mechanism, for example, a screw jack 140 may be installed on the bottom plate 130 to control the lifting platform 200 to lift, or a driving mechanism with a telescopic driving function, such as a jacking cylinder, a lifting motor, etc., may be installed on the bottom plate 130 to drive the lifting platform 200 to lift.
Referring to fig. 4 and 5, in some embodiments of the present invention, a plurality of sets of rollers 440 are installed on the inner wall of the arc aligning plate 410 in a circumferential arrangement along its own axis, each set of rollers 440 is arranged in a straight line along the length direction (the front-rear direction of fig. 4) of the arc aligning plate 410, the rotation axis of the roller 440 is perpendicular to the length direction of the arc aligning plate 410, the top of the roller 440 protrudes out of the inner wall of the arc aligning plate 410 to contact the outer wall of the prestress tensioning jack 600, as shown in fig. 4, three sets of rollers 440 are provided for supporting the prestress tensioning jack 600 at multiple points so that the prestress tensioning jack 600 placed on the arc aligning plate 410 can be aligned with the aligning plate 430 on the aligning plate mounting seat 420. And the roller 440 can facilitate the pre-stressed tensioning jack 600 to slide forward along the front-back direction for the steel strand to penetrate, reducing the moving resistance.
The inner wall of the arc-shaped alignment plate 410 is provided with a plurality of caulking grooves 411 corresponding to a plurality of groups of rollers, namely three groups of rollers 440 are provided with three caulking grooves 411 correspondingly, the caulking grooves 411 extend along the front-back direction, each caulking groove 411 needs to be provided with a plurality of rollers, and therefore two side walls of each caulking groove 411 are provided with a plurality of groups of shaft grooves 412; the roller 440 has a central shaft 441, two ends of the central shaft are inserted into a set of shaft slots 412, and a plurality of sets of shaft slots 412 on the same slot 411 are arranged at intervals along the length direction of the slot 411, that is, the roller 440 is arranged in the corresponding shaft slot 412 along the length direction of the slot 411. The roller 440 is partially inserted into the insertion groove 411 and the top of the roller protrudes from the inner wall of the arc-shaped aligning plate 410 to contact the outer wall of the prestressed tension jack 600.
As shown in fig. 6, in some embodiments of the present invention, a plurality of installation bars 450 are further included, each installation bar 450 is correspondingly installed in one of the caulking grooves 411, so that three installation bars 450 are correspondingly installed in three caulking grooves 411, and the installation bars 450 are embedded in the caulking grooves 411 and provided with the avoidance holes 451 of the avoidance rollers 440. The body of the installation clamping strip 450 is attached to the inner wall of the arc-shaped alignment plate 410, the bottom of the installation clamping strip is provided with an embedding part 452 embedded into the embedding groove 411, the avoiding hole 451 is used for accommodating the roller 440 so as to avoid interference with the roller 440, and installation limitation of all the rollers 440 in one embedding groove 411 can be completed through one installation clamping strip 450.
In a further embodiment of the present invention, positioning blocks 453 inserted into the shaft groove 412 are disposed on two sides of the mounting strip 450, and the positioning blocks 453 can implement mounting and positioning of the mounting strip 450, so that the roller 440 and the avoiding hole 451 can be aligned to avoid interference. The mounting clip strip 450 may be made of rubber and is embedded in the insertion slot 411 by interference fit.
In some embodiments of the present invention, the alignment plate mounting seat 420 is an arc-shaped ring, the inner wall of the alignment plate mounting seat 420 is provided with a positioning groove 421 for the alignment plate 430 to be inserted into, the sidewall of the positioning groove 421 is provided with a fastening hole 422 for installing a fastening member, the alignment plate 430 is fixed in the positioning groove 421, after the steel strand is pre-threaded on the alignment plate 430, the alignment plate 430 is inserted into the positioning groove 421 through the movable adjustment of the lifting table 200 and the horizontal movable table 300, and then the fastening member (fastening bolt) is installed on the fastening hole 422 for fixing the alignment plate 430 in the positioning groove 421. Generally, for circumferential positioning of the alignment plate 430, the alignment plate 430 is provided with positioning holes 432 for passing fasteners (fastening bolts) for circumferential positioning. The contour of the positioning groove 421 is matched with the contour of the alignment plate 430, and the alignment plate 430 can be aligned with the prestressed tensioning jack 600 on the arc-shaped alignment plate 410 after being embedded into the positioning groove 421, so that the pre-threaded steel strand on the alignment plate 430 is automatically aligned with the hole position on the prestressed tensioning jack 600.
In some embodiments of the present invention, the upper surface of the lifting platform 200 is provided with a plurality of horizontally extending sliding rails 210, and the bottom of the horizontal movable platform 300 is provided with sliding grooves 310 correspondingly matched with the sliding rails 210. The extending direction of the slide rail 210 and the slide groove 310 is the horizontal direction, and is perpendicular to the length direction of the arc-shaped alignment plate 410. The slide rail 210 is matched with the slide groove 310 to realize guiding, the cross sections of the slide rail 210 and the slide groove 310 are dovetail-shaped, so that the horizontal movable table 300 is prevented from moving upwards to be separated from the lifting table 200, the horizontal movable table 300 is provided with a clamping hole 330, a clamping bolt 340 is installed in the clamping hole 330 and used for fixing the horizontal movable table 300, after the position of the horizontal movable table 300 is adjusted, the clamping bolt 340 is screwed until the clamping bolt 340 abuts against the lifting table 200, the position fixing of the horizontal movable table 300 is realized, and the influence of subsequent displacement on the installation of steel strands is avoided.
In some embodiments of the present invention, an avoidance line opening 111 is formed on the traveling platform 110 corresponding to the upper side of the arc-shaped alignment plate 410, two sides (left and right sides) of the avoidance line opening 111 are provided with flanges 112, the traveling crane 500 moves between the two flanges 112, and the avoidance line opening 111 is used for the traveling crane 500 to hoist the prestressed tensioning jack 600, so as to avoid structural interference. The rib 112 guides the movement of the traveling crane 500. The rib 112 and the avoidance line opening 111 extend in the front-rear direction, and the extending direction is parallel to the length direction of the arc-shaped alignment plate 410.
In some embodiments of the present invention, the traveling crane 500 is provided with a through hole 510, the through hole 510 is vertically aligned with the avoidance line opening 111, a lifting winch 530 is installed at one side of the through hole 510, a pulley 520 is installed above the through hole 510, the lifting winch 530 is used for winding a lifting rope, the lifting rope is wound on the pulley 520 and sequentially passes through the through hole 510 and the avoidance line opening 111 to be connected to the prestressed tensioning jack 600 below, thereby achieving the lifting of the prestressed tensioning jack 600. For hoisting, the top of the prestressed tensioning jack 600 is usually provided with a hoisting structure 610, a hoisting hole is formed in the hoisting structure 610 to facilitate hoisting by a lifting rope, and the bottom of the lifting rope is usually provided with a lifting hook to hoist the prestressed tensioning jack 600. The prestress tension jack 600 may be hoisted by the lifting hoist 530 and the hoist rope, and the movement of the prestress tension jack 600 is driven by the movement of the traveling crane 500. The bottom of the traveling crane 500 is provided with wheels, and the traveling crane 500 can move by connecting with a motor; or the traveling crane 500 drives the traveling crane 500 to move through the horizontal winding machine and the hook rope.
Referring to fig. 7, in a further embodiment of the invention, the end of the traveling crane 500 is provided with a hook 550 for hooking the horizontal winch. The traveling crane 500 is provided with a weight block 540, and the through hole 510 is located between the weight block 540 and the lifting winch 530, so that the center of gravity of the traveling crane 500 is stable, and the overturning situation does not occur.
In addition, the alignment jig 400 may be fixedly mounted on the horizontal movable stage 300 by a fastener. Or the alignment rack 400 is rotatably installed on the horizontal movable table 300, as shown in fig. 2 and fig. 3, a rotating shaft 460 is arranged at the bottom of the alignment rack 400, the rotating shaft 460 extends vertically, and the horizontal movable table 300 is provided with a shaft hole 320 matched with the rotating shaft 460 to realize the rotation of the alignment rack 400, so that when the rack 100 is inaccurate in position, the alignment disc 430 pre-threaded with the steel strand cannot be well matched and positioned with the alignment disc installation seat 420, and the angle deviation can be adapted through the rotation of the alignment rack 400.
In order to facilitate hoisting of the prestressed tensioning jack 600 located outside the rack, the rear end of the walking platform 110 extends backwards to the edges of the bottom plate 130 and the lifting platform 200, a plurality of support bars 160 are arranged at the bottom of the rear end of the walking platform 110, and the bottoms of the support bars 160 are connected with the vertical bars 150 to support the extended part of the walking platform 110, so as to ensure the structural strength of the walking platform.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a bridge prestressing force tensioning equipment is with high-efficient rigging equipment which characterized in that includes:
a frame (100);
the lifting platform (200) is movably arranged on the frame (100) in a lifting way;
a horizontal movable table (300) which is horizontally movably mounted on the lifting table (200);
the alignment frame (400) is installed on the horizontal movable table (300), an arc-shaped alignment plate (410) and an alignment disc installation seat (420) are arranged on the upper end face of the alignment frame, the inner wall of the arc-shaped alignment plate (410) is an arc surface and used for supporting and placing a prestress tensioning jack (600), the alignment disc installation seat (420) is used for placing an alignment disc (430), and the arc-shaped alignment plate (410) is aligned with the alignment disc installation seat (420);
and the travelling crane (500) is used for hoisting the prestress tensioning jack (600) to the arc-shaped alignment plate (410).
2. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 1, wherein: the inner wall of the arc-shaped alignment plate (410) is provided with a plurality of groups of rollers (440) in a surrounding arrangement mode along the axis, each group of rollers (440) is linearly arranged along the length direction of the arc-shaped alignment plate (410), the rotation axis of each roller (440) is perpendicular to the length direction of the arc-shaped alignment plate (410), and the top of each roller (440) protrudes out of the inner wall of the arc-shaped alignment plate (410) to be in contact with the outer wall of the prestress tensioning jack (600).
3. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 2, wherein: a plurality of caulking grooves (411) are formed in the inner wall of the arc-shaped alignment plate (410) corresponding to a plurality of groups of rollers, a plurality of groups of shaft grooves (412) are formed in two side walls of each caulking groove (411), and the plurality of groups of shaft grooves (412) in the same caulking groove (411) are arranged at intervals along the length direction of the caulking groove (411); the roller (440) is provided with a central shaft (441), two ends of the central shaft are embedded into a group of shaft grooves (412), and the roller (440) is partially embedded into the embedding grooves (411).
4. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 3, wherein: still include a plurality of installation card strips (450), every installation card strip (450) is corresponding to be installed in a caulking groove (411), installation card strip (450) embedding caulking groove (411) and be equipped with dodge hole (451) of dodging gyro wheel (440).
5. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 4, wherein: and positioning clamping blocks (453) clamped into the shaft grooves (412) are arranged on two sides of the mounting clamping strip (450).
6. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 1, wherein: the alignment plate mounting seat (420) is an arc-shaped ring, the inner wall of the alignment plate mounting seat is provided with a positioning groove (421) for embedding the alignment plate (430), and the side wall of the positioning groove (421) is provided with a fastening hole (422) for mounting a fastener to fix the alignment plate (430) in the positioning groove (421).
7. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 1, wherein: elevating platform (200) upper surface is equipped with slide rail (210) that a plurality of levels extend, horizontal movable table (300) bottom is equipped with spout (310) that correspond the matching with slide rail (210), horizontal movable table (300) are equipped with a screens hole (330), install a screens bolt (340) in screens hole (330) for fixed horizontal movable table (300).
8. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 1, wherein: frame (100) upper end is equipped with walking platform (110), walking platform (110) are equipped with one corresponding to arc counterpoint board (410) top and dodge strip mouth (111), dodge strip mouth (111) both sides and be equipped with flange (112), crane (500) move about between two flange (112).
9. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 8, wherein: the travelling crane (500) is provided with a through hole (510), one side of the through hole (510) is provided with a lifting winch (530), a pulley (520) is arranged above the through hole (510), the lifting winch (530) is used for winding a lifting rope, and the lifting rope is wound on the pulley (520) and sequentially penetrates through the through hole (510) and the avoidance strip opening (111) to be connected with a prestress tensioning jack (600) below.
10. The efficient assembling equipment for the bridge prestress tensioning equipment according to claim 9, wherein: the end part of the travelling crane (500) is provided with a hook part (550), the travelling crane (500) is provided with a balancing weight (540), and the through hole (510) is positioned between the balancing weight (540) and the lifting winch (530).
CN202110339384.XA 2021-03-30 2021-03-30 Bridge prestressing force is high-efficient rigging equipment for tensioning equipment Pending CN113073561A (en)

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CN113833947A (en) * 2021-09-26 2021-12-24 中国建筑土木建设有限公司 Jack mounting device for beam body
CN114875793A (en) * 2022-05-28 2022-08-09 银广厦集团有限公司 Portable prestressing force stretch-draw auxiliary device

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CN106315451A (en) * 2016-10-18 2017-01-11 柳州黔桥工程材料有限公司 Integral automatic synchronous control system for steel strand group anchors
CN208235340U (en) * 2018-04-28 2018-12-14 中铁北京工程局集团有限公司 It is a kind of can automatic lifting steel strand tension Mobile workbench
CN209010981U (en) * 2018-09-21 2019-06-21 云南省建设投资控股集团有限公司 A kind of girder pre-stressed muscle stretch-draw jack lifting of T and tensioning protective device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113833947A (en) * 2021-09-26 2021-12-24 中国建筑土木建设有限公司 Jack mounting device for beam body
CN114875793A (en) * 2022-05-28 2022-08-09 银广厦集团有限公司 Portable prestressing force stretch-draw auxiliary device
CN114875793B (en) * 2022-05-28 2023-05-19 银广厦集团有限公司 Movable prestress tensioning auxiliary device

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Application publication date: 20210706