CN212865632U

CN212865632U - Walking type pushing construction device

Info

Publication number: CN212865632U
Application number: CN202021585170.8U
Authority: CN
Inventors: 杨书峰; 李春峰
Original assignee: Kaifeng Dafang Prestress Co ltd
Current assignee: Kaifeng Dafang Prestress Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-02
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a walking top pushes away construction equipment, including the top pushes away the mechanism, the top pushes away the mechanism and includes the base, locate the jacking jack of base bottom, locate the translation jack of base upper end and locate the base upper end, connect the carrier bar of translation jack, the horizontal both ends of base, correspond translation jack department all are equipped with the slide that corresponds with the carrier bar up end, the vertical both sides of base, the lateral wall department that corresponds the carrier bar are equipped with the mechanism of rectifying, the mechanism of rectifying includes positioning jack and the gyro wheel that one end connects positioning jack output, the other end connects the carrier bar lateral wall; the utility model provides a top pushes away construction equipment adopts electric liquid proportional control, satisfies jacking, translation, the action of rectifying in control range, realizes the synchronous continuous movement of case roof beam, and the top that changes to different bridge type and line type pushes away the construction and only needs very little change just can satisfy the requirement, and each part can not produce the interference phenomenon when the execution action, guarantees the reliability of using.

Description

Walking type pushing construction device

Technical Field

The utility model belongs to the technical field of the bridge construction, concretely relates to walking top pushes away construction equipment.

Background

Because existing urban road routes need to be crossed in the construction process of a plurality of bridges at present, the main routes of urban traffic are extremely high in importance and cannot be replaced, if blockage has a large influence on life and work of people, other bridge construction and assembly technologies are difficult to achieve, the bridges need to be designed into a steel structure form, the construction period is short, meanwhile, a walking pushing device needs to be used, the blockage can be carried out all the time when traffic flow at night is small, the construction is rapid, and normal traffic in the daytime is not influenced.

In order to ensure the quality of the steel box girder, the steel box girder is assembled section by section in a prefabricating yard, is transported to a construction site through a vehicle after being inspected to be qualified, is hoisted to a working platform through a hoist, is welded on site after being linearly assembled, and is pushed out of the working platform after being inspected to be qualified in a welding seam. If the construction operation at the welding position of the steel box girder is improper, the quality of the welding seam is unqualified, and the strength defect may occur at the connecting position of the steel box girder after the steel box girder is pushed out of the platform; if the welding seam is too thick, the flatness of the bottom of the box girder is not enough, the phenomenon of stress concentration at the bottom of the girder is very easy to occur, the smooth proceeding of pushing is influenced when the welding seam part with serious outward protrusion passes through the top of the pier, the horizontal displacement of the pier body is increased due to increased friction resistance, and the phenomenon of pier body cracking or even instability exists.

In the pushing process of the steel box girder, if the pushing continuity cannot be guaranteed, the 'girder crawling phenomenon' can occur, the temporary pier is repeatedly impacted, in addition, the pushing asynchronism can also cause the girder to deviate and concentrate, and if the pushing asynchronism exceeds the design allowable range and is not adjusted in time, the pushing progress and the construction safety can be influenced.

Disclosure of Invention

The utility model aims at solving the problem that proposes among the background art, and provide a walking top pushes away construction equipment, small light in weight, adopt electric liquid proportional control, satisfy the jacking, the translation, the action of rectifying is in control range, realize the synchronous continuous movement of box girder, the security of device has been improved, adopt the modularized design, the top that changes to different bridge types and line type pushes away the construction only needs very little change just can satisfy the requirement, adaptability is improved, each part can not produce the interference phenomenon when carrying out the action, guarantee the reliability of using.

The purpose of the utility model is realized like this:

the walking type pushing construction device comprises a pushing mechanism, wherein the pushing mechanism comprises a base, a jacking jack, a translation jack and a bearing beam, the jacking jack is arranged at the bottom of the base, the translation jack is arranged at the upper end of the base, the bearing beam is arranged at the upper end of the base and connected with the translation jack, slideways corresponding to the upper end face of the bearing beam are arranged at the two transverse ends of the base and at the corresponding translation jack, deviation correcting mechanisms are arranged at the two longitudinal sides of the base and at the side wall of the corresponding bearing beam, each deviation correcting mechanism comprises a positioning jack and a roller, one end of each deviation correcting mechanism is connected with the output end of the positioning jack, and the other.

Preferably, the pushing mechanisms are arranged between the cushion beams for temporarily supporting the box beam to be installed, and at least two pushing mechanisms are arranged along the same direction.

Preferably, the lower part of installation case roof beam is equipped with the reaction frame that is used for providing the counter-force for pushing mechanism during the return stroke, the reaction frame is including a supporting beam and auxiliary beam, the upper end of a supporting beam is connected on the installation case roof beam, the one end of auxiliary beam is connected to one side of a supporting beam, the other end of auxiliary beam is connected to on the installation case roof beam in order to form the triangular space.

Preferably, the position adjusting jacks of the deviation rectifying mechanisms are fixedly connected to the side wall of the base through supports, the number of the deviation rectifying mechanisms is four, and the four deviation rectifying mechanisms are symmetrically arranged on two sides of the base.

Preferably, the number of the jacking jacks is four, and sleeves matched with the jacking jacks are arranged at four corners of the bottom of the base.

Preferably, the bottom surface of the carrier bar, which is in contact with the base, is of a smooth stainless steel plate structure, and a cylinder connected with the output end of the translation jack is arranged on the side wall of the carrier bar, which corresponds to the output end of the translation jack.

Preferably, the upper end face of the base connected with the bearing beam is provided with a sliding plate matched with the bottom face of the bearing beam, and the upper end face of the sliding way is flush with the upper end face of the bearing beam.

Preferably, the slide adopts the tetrafluoro slide structure, four are established to the slide, four slides are through fixed slat connection base, fixed slat bolted connection base.

Preferably, the output end of the translation jack is provided with two rotation preventing sleeves at the joint of the cylinder of the bearing beam, and the two translation jacks are symmetrically arranged at the two ends of the bearing beam at the same side.

Preferably, the slide comprises a bearing plate and a pulley arranged at the upper end of the bearing plate, and the pulley is rotatably connected with the inner side wall of the center of the bearing plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides a pair of walking top pushes away construction equipment, small light in weight adopts electric liquid proportional control, satisfies jacking, translation, the action of rectifying in control range, realizes the synchronous continuous movement of case roof beam, has improved the security of device, adopts the modularized design, to the top of difference bridge type and line type change push away the construction only need very little change just can satisfy the requirement, has improved the adaptability, each part can not produce the interference phenomenon when the execution action, guarantees the reliability of using.

2. The utility model provides a pair of walking top pushes away construction equipment, pushes away the in-process at whole top, and the glide plane has improved the atress of bridge and pier structure between smooth case and slide, reduces the damage of bridge and pier.

3. The utility model provides a pair of walking top pushes away construction equipment, the axis off normal appears at the translation in-process in the bridge, and the mechanism of rectifying can carry out real-time horizontal deviation rectifying, guarantees that the bridge removes along the line type at whole top pushing in-process.

Drawings

Fig. 1 is a schematic structural view of the walking-type pushing construction device of the present invention.

Fig. 2 is a schematic view of a pushing mechanism of the walking type pushing construction device of the present invention.

Fig. 3 is a side view of fig. 2.

Fig. 4 is a schematic view of a base of the walking pushing construction device of the present invention.

In the figure: 10. a pushing mechanism; 20. a reaction frame; 30. installing a box girder; 40. a bolster; 1. a base; 11. a slide plate; 12. a support; 13. a sleeve; 2. a jacking jack; 3. a load beam; 4. translating the jack; 5. a slideway; 6. a deviation rectifying mechanism; 61. adjusting the jack; 62. and a roller.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Example 1

Referring to fig. 1, a walking pushing construction device includes a pushing mechanism 10, where the pushing mechanism 10 is disposed between pad beams 40 for temporarily supporting a box beam 30 to be installed, the pushing mechanism 10 is at least provided with two pushing mechanisms along the same direction, a reaction frame 20 for providing a reaction force for a return stroke of the pushing mechanism 10 is disposed below the installation box beam 30, the reaction frame 20 includes a supporting beam and an auxiliary beam, an upper end of the supporting beam is connected to the installation box beam 30, one side of the supporting beam is connected to one end of the auxiliary beam, and the other end of the auxiliary beam is connected to the installation box beam 30 to form a triangular space.

Referring to fig. 2, the jacking mechanism 10 includes a base 1, a jacking jack 2 disposed at the bottom of the base 1, a translation jack 4 disposed at the upper end of the base 1, and a carrier bar 3 disposed at the upper end of the base 1 and connected to the translation jack 4, wherein four transverse ends of the base 1 and corresponding to the translation jack 4 are provided with slides 5 corresponding to the upper end surface of the carrier bar 3, the jacking jacks 2 are provided with four sleeves 13 adapted to the jacking jacks 2, the sleeves 13 are used for mounting and fixing the jacking jacks 2, the sleeves 13 are connected to the base 1 by bolts, and the sleeves 13 with different diameters can be replaced to adapt to the jacking jacks 2 with different tonnages, so as to adapt to bridge jacking projects with different tonnages.

With reference to fig. 4, the bottom surface that carrier bar 3 and base 1 contacted is smooth corrosion resistant plate structure, base 1 connects the up end of carrier bar 3 and is equipped with the slide 11 with the 3 bottom surface looks adaptations of carrier bar, and slide 11 and the 3 bottom surface contact of carrier bar reduce the frictional force of carrier bar 3 when removing, at whole top push in-process, the glide plane has improved the atress of bridge and pier structure between slip case and slide, reduces the damage of bridge and pier.

A cylinder connected with the output end of the translation jack 4 is arranged on the side wall of the bearing beam 3 corresponding to the output end of the translation jack 4, two translation jacks 4 are arranged, the two translation jacks 4 are symmetrically arranged at the two ends of the same side of the bearing beam 3, an anti-rotation sleeve is arranged at the joint of the output end of the translation jack 4 and the cylinder of the bearing beam, the translation jack 4 can work stably, the upper end surface of the slideway 5 is arranged flush with the upper end surface of the bearing beam 3, the slideway 5 comprises a bearing plate and a pulley arranged at the upper end of the bearing plate, the pulley is rotationally connected with the inner side wall of the center of the bearing plate, so as to facilitate the connection of the mounting box girder 30 with the permanent piers, and both the chute 5 and the carrier beam 3 can be divided into two from the middle in the length direction, the structural stress on the two sides after separation is not influenced, and the two sides are connected by the profile steel and can be suitable for pushing bridges of different sizes.

Combine fig. 3, the longitudinal both sides of base 1, the lateral wall department that corresponds carrier bar 3 are equipped with the mechanism 6 of rectifying, the mechanism 6 of rectifying includes positioning jack 61 and one end connection positioning jack 61 output, the gyro wheel 62 of 3 lateral walls of carrier bar are connected to the other end, the positioning jack 61 of mechanism 6 of rectifying passes through support 12 fixed connection in the lateral wall of base 1, the mechanism 6 of rectifying establishes four, four the mutual symmetries of mechanism 6 of rectifying locate the both sides of base 1, and the axis off normal appears in the translation in-process in the bridge, and the mechanism 6 of rectifying can carry out real-time horizontal deviation rectifying, guarantees that the bridge removes along the line type at whole top pushing in-process.

The box girder synchronous continuous moving device has the advantages that the electro-hydraulic proportional control is adopted, jacking, translation and deviation rectifying actions are met within a control range, synchronous continuous moving of the box girder is achieved, safety of the device is improved, modular design is adopted, requirements can be met only through small change of pushing construction of different bridge types and linear changes, adaptability is improved, interference of all parts can not occur during execution of the actions, and use reliability is guaranteed.

Example 2

Referring to fig. 1, after the pushing mechanism 10, the mounting box girder 30 and the pad girder 40 are respectively mounted in place, the upper end surface of the carrier girder 3 of the pushing mechanism 10 contacts the bottom of the mounting box girder 30 under the action of the jacking jack 2, the jacking jack 2 jacks the mounting box girder 30, the bottom of the mounting box girder 30 is separated from the upper end surface of the pad girder 40, the translation jack 4 pushes the carrier girder 3, the carrier girder 3 drives the mounting box girder 30 to translate forward for 1 pushing stroke, the jacking jack 2 returns, the mounting box girder 30 falls on the pad girder 40, the jacking jack 2 continues to return, the carrier girder 3 is separated from the bottom of the mounting box girder 30, and the translation jack 4 returns to prepare for starting the next pushing cycle.

Above only be the preferred embodiment of the present invention, not be used for limiting the utility model discloses, the all be in the utility model discloses an any modification of doing in the protection scope, equal replacement etc. all should be contained within the protection scope of the utility model.

Claims

1. The utility model provides a walking top pushes away construction equipment which characterized in that: including top pushing mechanism (10), top pushing mechanism (10) include base (1), locate jacking jack (2) of base (1) bottom, locate translation jack (4) of base (1) upper end and locate base (1) upper end, connect carrier bar (3) of translation jack (4), the horizontal both ends of base (1), correspond translation jack (4) department and all be equipped with slide (5) that correspond with carrier bar (3) up end, the longitudinal both sides of base (1), the lateral wall department that corresponds carrier bar (3) are equipped with deviation rectification mechanism (6), deviation rectification mechanism (6) are including positioning jack (61) and one end connection positioning jack (61) output, gyro wheel (62) that the carrier bar (3) lateral wall is connected to the other end.

2. The walking incremental launching construction device as recited in claim 1, wherein: the pushing mechanisms (10) are arranged between the pad beams (40) used for temporarily supporting the box beam (30) to be installed, and at least two pushing mechanisms (10) are arranged along the same direction.

3. The walking incremental launching construction device as recited in claim 2, wherein: the lower side of installing box roof beam (30) is equipped with reaction frame (20) that is used for providing the counter-force for thrusting mechanism (10) during the return stroke, reaction frame (20) are including a supporting beam and auxiliary beam, the upper end of a supporting beam is connected on installing box roof beam (30), the one end of auxiliary beam is connected to one side of a supporting beam, the other end of auxiliary beam is connected to on installing box roof beam (30) in order to form the triangular space.

4. The walking incremental launching construction device as recited in claim 1, wherein: the position adjusting jack (61) of the deviation rectifying mechanism (6) is fixedly connected to the side wall of the base (1) through the support (12), the number of the deviation rectifying mechanisms (6) is four, and the four deviation rectifying mechanisms (6) are symmetrically arranged on two sides of the base (1) mutually.

5. The walking incremental launching construction device as recited in claim 1, wherein: four jacking jacks (2) are arranged, and sleeves (13) matched with the jacking jacks (2) are arranged at four corners of the bottom of the base (1).

6. The walking incremental launching construction device as recited in claim 1, wherein: the bottom surface that carrier bar (3) and base (1) contact is smooth corrosion resistant plate structure, be equipped with the drum of being connected with translation jack (4) output on the lateral wall that carrier bar (3) correspond translation jack (4) output.

7. The walking incremental launching construction device as recited in claim 6, wherein: the upper end face that carrier bar (3) are connected in base (1) is equipped with slide (11) with carrier bar (3) bottom surface looks adaptation, the up end of slide (5) flushes the setting with the up end of carrier bar (3).