CN211142847U - Telescopic steel box girder top push axis displacement deviation correcting device - Google Patents

Telescopic steel box girder top push axis displacement deviation correcting device Download PDF

Info

Publication number
CN211142847U
CN211142847U CN201921798459.5U CN201921798459U CN211142847U CN 211142847 U CN211142847 U CN 211142847U CN 201921798459 U CN201921798459 U CN 201921798459U CN 211142847 U CN211142847 U CN 211142847U
Authority
CN
China
Prior art keywords
steel
box girder
reaction frame
high strength
screw rods
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.)
Active
Application number
CN201921798459.5U
Other languages
Chinese (zh)
Inventor
李山
宋桂美
李孟
赵红振
牛月霞
柴峰
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.)
Shandong Dongtai Engineer Consulting Co ltd
Original Assignee
Shandong Dongtai Engineer Consulting 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 Shandong Dongtai Engineer Consulting Co ltd filed Critical Shandong Dongtai Engineer Consulting Co ltd
Priority to CN201921798459.5U priority Critical patent/CN211142847U/en
Application granted granted Critical
Publication of CN211142847U publication Critical patent/CN211142847U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The utility model belongs to the technical field of the steel box girder engineering technique and specifically relates to a telescopic steel box girder top pushes away axle displacement deviation correcting device, including I-steel and reaction frame, the welding of reaction frame is on the I-steel upper surface, reaction frame one side upper portion fixed mounting has flexible length adjustment mechanism, flexible length adjustment mechanism includes two high strength screw rods, two high strength screw rods all run through the setting on reaction frame upper portion, two high strength screw rod both ends are equallyd divide and are do not run through to reaction frame both sides and threaded connection have the trim nut, wherein two trim nuts are respectively through the gasket threaded connection that excels in on two high strength screw rods, the arc steel sheet has all been welded to third steel sheet one side upper portion and lower part, all be equipped with the steel round pin on two arc steel sheets, and there is seamless steel pipe through two steel round pin connections between. The telescopic steel box girder pushing axial displacement deviation correcting device can correct the deviation of axial displacement in the steel box girder pushing process, belongs to in-process control, and is high in working efficiency.

Description

Telescopic steel box girder top push axis displacement deviation correcting device
Technical Field
The utility model relates to a steel case roof beam engineering technical field especially relates to a telescopic steel case roof beam top push axis displacement deviation correcting device.
Background
With the development of highway construction, more and more bridges are constructed to cross the existing roads, and compared with a conventional new project, the overpass bridge has a plurality of limiting factors due to the existence of the existing roads. The steel structure bridge is less and environment-friendly, convenient to construct because of its construction period is short, to main traffic influence, is being more and more applied to in the design of highway bridge.
In the steel box girder engineering, a deviation correcting device for the axial displacement of the steel box girder is needed. The existing deviation correcting device for the axial displacement of the steel box girder is provided with a hydraulic jack on the side surface of the steel box girder. When the axial displacement is changed greatly in the pushing process of the steel box girder, the hydraulic jack is used for adjusting the axial displacement of the steel box girder, and the deviation is corrected. The deviation correction is carried out by the method, after deviation is found, the pushing is stopped, and then the hydraulic jack is adjusted. Belongs to post regulation and has slow efficiency. When the hydraulic jack is used for adjusting the axis deviation, the precision is not easy to control, and the operation is not easy to synchronize, especially in a curve section. When the two-way pushing is carried out, a plurality of hydraulic jacks are required to be installed on the side face of the steel box girder, and the cost is high. Therefore, a telescopic steel box girder jacking axial displacement deviation correcting device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current steel box girder axial displacement deviation correcting device who exists among the prior art and setting up the fluid pressure type jack to the side of the steel box girder, the precision of rectifying is wayward, belongs to regulation afterwards moreover, the slow shortcoming of efficiency, and the telescopic steel box girder top push away axial displacement deviation correcting device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is a telescopic steel box girder jacking axial displacement deviation correcting device, which comprises an I-shaped steel and a reaction frame, wherein the reaction frame is welded on the upper surface of the I-shaped steel, a telescopic length adjusting mechanism is fixedly arranged on the upper part of one side of the reaction frame, the telescopic length adjusting mechanism comprises two high-strength screw rods, the two high-strength screw rods are all arranged on the upper part of the reaction frame in a penetrating way, the two ends of the high-strength screw rods are respectively arranged on the two sides of the reaction frame in a penetrating way and are in threaded connection with fine adjusting nuts, the two fine adjusting nuts are respectively in threaded connection with the two high-strength screw rods through high-strength gaskets, the two high-strength gaskets are respectively sleeved outside the two high-strength screw rods, one ends of the two high-strength screw rods, which are far away from the high-strength gaskets, are welded with a third steel plate, arc-, and a seamless steel pipe is connected between the two arc-shaped steel plates through the two steel pins.
Preferably, the lower part of the outer side of the reaction frame is welded with two first steel plates and two second steel plates which are symmetrical in pairs, and the two first steel plates and the two second steel plates are welded on the upper surface of the I-shaped steel.
Preferably, connecting anchors are welded between the two high-strength screws and the third steel plate respectively.
Preferably, the fine adjustment nut is a high-strength hexagonal nut.
The utility model provides a pair of telescopic steel box girder top pushes away axial displacement deviation correcting device, beneficial effect lies in: the telescopic steel box girder jacking axis displacement deviation correcting device realizes the method for correcting the jacking steel box girder axis displacement through utilizing the synergy of the adjusting fine adjustment nut to adjust the telescopic length of the combination body consisting of the high-strength screw rod, the third steel plate, the arc-shaped steel plate, the steel pin, the seamless steel pipe and the connecting anchor, the reaction frame and the first steel plate, the second steel plate and the high-strength gasket, thereby being capable of correcting the axis displacement in the jacking process of the steel box girder, belonging to the field control and having high working efficiency.
Drawings
Fig. 1 is the utility model provides a telescopic steel box girder top push axis displacement deviation correcting device's structural plane schematic diagram.
Fig. 2 is the utility model provides a plane schematic diagram after telescopic steel box girder top push axis displacement deviation correcting device's equipment is accomplished.
In the figure: the device comprises a fine adjustment nut 1, a high-strength screw 2, a reaction frame 3, a first steel plate 4, a second steel plate 5, a third steel plate 6, an arc-shaped steel plate 7, a steel pin 8, a seamless steel pipe 9, a connecting anchor 10, a high-strength gasket 11 and I-shaped steel 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-2, a telescopic steel box girder jacking axis displacement deviation correcting device comprises an i-beam 12 and a reaction frame 3, wherein the reaction frame 3 is welded on the upper surface of the i-beam 12, a telescopic length adjusting mechanism is fixedly installed on the upper portion of one side of the reaction frame 3, the telescopic length adjusting mechanism comprises two high-strength screw rods 2, the two high-strength screw rods 2 are arranged on the upper portion of the reaction frame 3 in a penetrating manner, two ends of the two high-strength screw rods 2 respectively penetrate to two sides of the reaction frame 3 and are in threaded connection with fine adjusting nuts 1, wherein the two fine adjusting nuts 1 are respectively in threaded connection with the two high-strength screw rods 2 through high-strength gaskets 11, the two high-strength gaskets 11 are respectively sleeved on the outer sides of the two high-strength screw rods 2, the fine adjusting nuts 1 are high-strength hexagon nuts, and referring to fig. 2 and A, B, C, D, E, F, the deviation correcting device, and four trim nuts 1 are located on either side of the reaction frame 3.
The third steel plate 6 is welded at one end, far away from the high-strength gasket 11, of each of the two high-strength screws 2, the high-strength screws 2 are located in the middle of the third steel plate 6 on the axis, and the distance from the outer side of each of the high-strength screws 2 to the third steel plate 6 in the longitudinal direction is equal.
Arc steel sheet 7 has all been welded to third steel sheet 6 one side upper portion and lower part, all is equipped with steel round pin 8 on two arc steel sheets 7, and is connected with seamless steel pipe 9 through two steel round pins 8 between two arc steel sheets 7, equally divide between two high tensile screw rods 2 and the third steel sheet 6 and do not weld and connect anchor 10, connect anchor 10 and constitute by four high tensile steel sheets, the diameter of arc steel sheet 7 is confirmed by the length of third steel sheet 6. The front part of the arc-shaped steel plate 7 is provided with circular holes which are symmetrical up and down, and the size of the opening is determined by the inner diameter of the seamless steel pipe 9 and the diameter of the steel pin 8.
The seamless steel pipe 9 is formed by processing high-strength steel, and the diameter and the height of the seamless steel pipe 9 are determined by the distance between the two arc-shaped steel plates 7 and the position of the hole. The seamless steel pipe 9 is slightly contacted with the steel box girder M, and the bottom edge of the outer side of the steel box girder M is approximately in the middle of the seamless steel pipe 9.
Example 2
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that two first steel plates 4 and two second steel plates 5 which are symmetrical to each other are welded on the lower portion of the outer side of the reaction frame 3, and the two first steel plates 4 and the two second steel plates 5 are all welded on the upper surface of the i-steel 12, the reaction frame 3 is formed by welding four steel plates with rigid strength, and the first steel plates 4 and the second steel plates 5 are welded with the i-steel 12 of the platform support. Four holes which are symmetrical in pairs are formed in the upper part of the reaction frame 3, and the size of the holes is suitable for the screw to penetrate through. The opening position of the reaction frame 3 is determined by the height of the reaction frame 3 and the height of the outer bottom edge of the steel box girder M.
The working principle is as follows: when the invention is used for correcting the displacement of the axis of the steel box girder M, the fine adjustment nuts 1 are respectively penetrated on the two high-strength screw rods 2, then a combination body consisting of the high-strength screw rods 2, the third steel plate 6, the arc-shaped steel plate 7, the steel pin 8, the seamless steel pipe 9 and the connecting anchor 10 is penetrated from the side of the steel box girder M, and the high-strength gasket 11 and the fine adjustment nuts 1 are respectively penetrated on the high-strength screw rods 2 on the other side. And then welding the reaction frame 3 on the I-shaped steel 12 of the platform bracket, and welding the first steel plate 4 and the second steel plate 5 on the I-shaped steel 12 of the platform bracket to form the deviation correcting device A. The other two deviation rectifying devices B, C are installed in the same way, the two deviation rectifying devices B, C are arranged in parallel on the inner curve side of the steel box girder M, and the other deviation rectifying device A is installed on the outer curve side of the steel box girder M.
Referring to fig. 1-2, in the pushing process of the steel box girder M, if the girder body deviates towards L, the fine adjustment nut 1 of the deviation correction device A, B, C, D, E, F is adjusted, the telescopic length of the high-strength screw 2 of the deviation correction device D, B, C is increased, and the telescopic length of the high-strength screw 2 of the deviation correction device A, E, F is reduced until the girder body deviates within the specification, and if the girder body deviates towards the Y direction, the fine adjustment nut 1 of the deviation correction device A, B, C, D, E, F is adjusted, the telescopic length of the high-strength screw 2 of the deviation correction device D, B, C is reduced, and the telescopic length of the high-strength screw 2 of the deviation correction device A, E, F is increased until the girder body deviates within the specification.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. The utility model provides a telescopic steel box girder top push axis displacement deviation correcting device, includes I-steel (12) and reaction frame (3), reaction frame (3) welding is in I-steel (12) upper surface, its characterized in that, reaction frame (3) one side upper portion fixed mounting has flexible length adjustment mechanism, flexible length adjustment mechanism includes two high strength screw rods (2), two high strength screw rods (2) all run through the setting in reaction frame (3) upper portion, two high strength screw rods (2) both ends are equallyd divide and are do not run through to reaction frame (3) both sides and threaded connection has fine setting nut (1), wherein two fine setting nut (1) is two through high strength gasket (11) threaded connection respectively on two high strength screw rods (2), and two high strength gasket (11) are equallyd divide and are established respectively two the high strength screw rods (2) outside, two high strength screw rod (2) are kept away from high strength gasket (11) one end welding and are had third steel sheet (6), and arc steel sheet (7), two all have been welded to third steel sheet (6) one side upper portion and lower part all be equipped with steel round pin (8) on arc steel sheet (7), and two through two between arc steel sheet (7) steel round pin (8) are connected with seamless steel pipe (9).
2. The telescopic steel box girder jacking axis displacement correcting device is characterized in that two first steel plates (4) and two second steel plates (5) which are symmetrical in pairs are welded at the lower part of the outer side of the reaction frame (3), and the two first steel plates (4) and the two second steel plates (5) are welded on the upper surface of an I-shaped steel (12).
3. The telescopic steel box girder jacking axial displacement deviation correcting device of claim 1, wherein connecting anchors (10) are respectively welded between the two high-strength screws (2) and the third steel plate (6).
4. The telescopic steel box girder jacking axis displacement correcting device of claim 1, wherein the fine adjustment nut (1) is a high-strength hexagon nut.
CN201921798459.5U 2019-10-24 2019-10-24 Telescopic steel box girder top push axis displacement deviation correcting device Active CN211142847U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921798459.5U CN211142847U (en) 2019-10-24 2019-10-24 Telescopic steel box girder top push axis displacement deviation correcting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921798459.5U CN211142847U (en) 2019-10-24 2019-10-24 Telescopic steel box girder top push axis displacement deviation correcting device

Publications (1)

Publication Number Publication Date
CN211142847U true CN211142847U (en) 2020-07-31

Family

ID=71768567

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921798459.5U Active CN211142847U (en) 2019-10-24 2019-10-24 Telescopic steel box girder top push axis displacement deviation correcting device

Country Status (1)

Country Link
CN (1) CN211142847U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112627065A (en) * 2020-12-31 2021-04-09 陕西铁路工程职业技术学院 Bridge pier stud resetting means that rectifies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112627065A (en) * 2020-12-31 2021-04-09 陕西铁路工程职业技术学院 Bridge pier stud resetting means that rectifies

Similar Documents

Publication Publication Date Title
CN105568853A (en) Large-span steel concrete combined truss girder side position transverse movement and girder dropping construction method
CN211142847U (en) Telescopic steel box girder top push axis displacement deviation correcting device
CN102418329B (en) Rapid installation method for large-scale hydraulic radial gate
CN211816950U (en) Light steel pipe concrete frame structure node
CN105421251B (en) Plate-girder jacking supporting mechanism, plate-girder jacking supporting tool
CN207844882U (en) Steel column and crane beam connecting structure
CN204455862U (en) A kind of steel box-girder seam angle rackwork
CN204475179U (en) Bridge construction Cast-in-situ Beam, bent cap, binder concrete attaching prestressed girder support
CN212641166U (en) Vertical-rod-free triangular truss split type steel guide beam
CN215562015U (en) Hanging basket bottom support system made of simplex steel
CN205382563U (en) Steel structure support frame
CN215925671U (en) Quick butt joint levelling device of steel case roof beam
CN103556577B (en) Elevation adjusting device for steel truss and method for adjusting elevation of steel truss
CN107700824A (en) Bar type wall-attached frame
CN210163784U (en) A uninstallation device for pier stud bent cap construction
CN210597048U (en) Active supporting structure capable of compensating compression settlement
CN210887773U (en) Longitudinal thickening I-steel
CN209619830U (en) Girder steel anti-overturning devices
CN114439219A (en) A retractable floor support truss
CN217419521U (en) Concrete support system for overhanging part of sluice pier of sluice gate
CN216139114U (en) Novel matching beam anti-sliding structure
CN217378590U (en) Bailey frame structure
CN217781769U (en) High-efficient mounting structure of steel construction bridge
LU507663B1 (en) A mobile and cyclic beam-dropping bracket for a continuous beam 0# block
CN219117930U (en) Beret sheet based on novel connection structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant