CN218203908U - Adjustable wedge for arch bridge main beam jacking - Google Patents

Adjustable wedge for arch bridge main beam jacking Download PDF

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Publication number
CN218203908U
CN218203908U CN202222625179.2U CN202222625179U CN218203908U CN 218203908 U CN218203908 U CN 218203908U CN 202222625179 U CN202222625179 U CN 202222625179U CN 218203908 U CN218203908 U CN 218203908U
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China
Prior art keywords
plate
wedge
top plate
girder
bent
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Active
Application number
CN202222625179.2U
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Chinese (zh)
Inventor
代俊习
张友庆
张清波
周真锋
方旭旭
彭鹏
徐敏
黄伟
陈程
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Anhui Water Resources Development Co Ltd
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Anhui Water Resources Development Co Ltd
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Priority to CN202222625179.2U priority Critical patent/CN218203908U/en
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Publication of CN218203908U publication Critical patent/CN218203908U/en
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Abstract

The utility model provides an adjustable wedge for arch bridge girder jacking, which comprises a bent plate, a wedge plate, a top plate, a pin shaft and an adjusting screw rod, wherein the wedge plate, the top plate and the adjusting screw rod are arranged on the bent plate; the bent plate, the wedge plate and the top plate are connected through a pin shaft, the adjusting screw penetrates through a screw hole seat on the bent plate and then is in contact with a vertical jacking block on the lower portion of the top plate, and limit stops are arranged on two sides of the upper portion of the wedge plate. Adopt the beneficial effects of the utility model are that: can adapt to the change of the arch ring radian of girder, increase and the area of contact of girder, better realization can be under the radian of difference is to the support of girder, has improved the security and the stability that the top held in the palm supports the girder, has improved work efficiency, has reduced the potential safety hazard.

Description

Adjustable wedge for arch bridge girder jacking
Technical Field
The utility model belongs to the technical field of the arch bridge construction apparatus, especially, relate to an adjustable wedge that is used for arch bridge girder top to hold in palm.
Background
The jacking is auxiliary equipment commonly used for engineering construction and bridge construction, and is cooperatively used with the steel pipe and the scaffold in the construction process, so that the effects of adjusting the supporting height of the scaffold and the pipe frame, balancing and supporting heavy objects and bearing are achieved.
The common jacking comprises a screw rod and a tray arranged at the top of the screw rod, the angle of the tray cannot be adjusted due to the fixed jacking, the tray at the upper part of the screw rod is of a U-shaped upward structure, and the jacking can only longitudinally adjust the height and is only suitable for stressed support of a planar structure; when cast-in-place arched bridge girder construction, often will add the wooden wedge between the girder of top support and arched bridge and consolidate, just can satisfy the atress needs, so not only waste time and energy, still can lead to the wooden wedge not hard up when concrete placement vibrations, the tray unilateral pressurized of top support simultaneously, the atress is inhomogeneous, causes destruction, has the potential safety hazard to the top support easily.
Referring to fig. 1, the application of a top support 2 supporting a main beam 1 in the background art is shown, the top support 2 is a fixed structure, a tray of the top support 2 is in unilateral contact with the main beam 1, the tray is stressed unevenly, the top support 2 is easily damaged, potential safety hazards exist, and time and labor are wasted when wood wedges are used for reinforcement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable wedge that is used for arched bridge girder top to hold in the palm to solve the not enough of prior art existence, improve the security and the stability that the top held in the palm supported the girder, can improve the handling efficiency who holds in the palm simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an adjustable wedge for an arch bridge girder jacking comprises a bent plate, a wedge plate, a top plate, a pin shaft and an adjusting screw rod, wherein the wedge plate, the top plate and the adjusting screw rod are placed on the bent plate; the bending plate is a flat plate with a semicircular bend at one end, the upper surface of the bent end of the bending plate is provided with a pin hole seat, and the other end of the upper surface of the bending plate is provided with a screw hole seat; two ends of the wedge plate are respectively provided with symmetrical pin holes; the upper part of the top plate is provided with a pin hole, and one side of the lower part of the top plate is provided with a vertical top block; symmetrical pin holes in the lower portion of the wedge plate are connected with pin hole seats of the bent plate through pin shafts, symmetrical pin holes in the upper portion of the wedge plate are connected with pin holes in the upper portion of the top plate through pin shafts, the upper surface of the bent plate is arranged on the lower portion of the top plate, and the adjusting screw penetrates through the screw hole seats and then contacts with one side face of a vertical jacking block in the lower portion of the top plate.
Furthermore, limit stops are arranged on two sides of the upper portion of the wedge plate and matched with the outer surface of the steel pipe of the main beam.
Adopt the beneficial effects of the utility model are that:
the hook-shaped bent plate can hook the upper supporting plate of the jacking so as not to move, and meanwhile, as the main beam only presses the wedge plate in the stress process, the wedge plate transmits force to the bent plate through the top plate, the jacking stress under the bent plate is more stable;
the wedge plate and the top plate in a hinge connection mode can adaptively adjust the contact angle of the main beam and the wedge plate along with the movement of the adjusting screw rod on the bent plate, increase the contact area of the main beam and the wedge plate and better play a role in supporting;
set up limit stop in order to prevent that in operation process, the girder leads to the girder to produce the displacement along with the increase of load or other reasons, can play spacing effect.
It is thus clear that under the prerequisite that does not change conditions such as the appearance is held in the palm in the top, when the girder with push up the radian clearance between holding in the palm great, this scheme has improved the security and the stability that support the girder, has improved the handling efficiency that holds in the palm in the top, has reduced the potential safety hazard.
Drawings
Fig. 1 is a schematic view of an application of a jacking supporting main beam in the background art.
Fig. 2 is a schematic diagram of the application of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is an exploded schematic view of the present invention.
In the figure: 1-main beam, 2-top support, 3-bent plate, 31-pin hole seat, 32-screw hole seat, 4-pin shaft, 5-wedge plate, 51-symmetrical pin hole, 52-limit stop, 6-top plate, 61-pin hole, 62-vertical top block and 7-adjusting screw.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
The adjustable wedge for the arch bridge girder jacking of the embodiment is shown in fig. 2, 3 and 4, and comprises a bent plate 3, a pin shaft 4, a wedge plate 5, a top plate 6 and an adjusting screw 7, wherein the wedge plate 5, the top plate 6 and the adjusting screw 7 are placed on the bent plate 3; the bending plate 3 is a flat plate with a semicircular bend at one end, a pin hole seat 31 is arranged on the upper surface of the bend end of the bending plate 3, and a screw hole seat 32 is arranged at the other end of the upper surface of the bending plate 3; two ends of the wedge plate 5 are respectively provided with symmetrical pin holes 51; the upper part of the top plate 6 is provided with a pin hole 61, and one side of the lower part of the top plate 6 is provided with a vertical top block 62; the symmetrical pin holes 51 at the lower part of the wedge plate 5 are connected with the pin hole seats 31 of the bent plate 3 through pin shafts 4, the symmetrical pin holes 51 at the upper part of the wedge plate 5 are connected with the pin holes 61 at the upper part of the top plate 6 through pin shafts 4, the lower part of the top plate 5 is arranged on the upper surface of the bent plate 3, and the adjusting screw 7 passes through the screw hole seats 32 on the bent plate 3 and then contacts with one side surface of a vertical jacking block 62 at the lower part of the top plate 6.
Furthermore, limit stops 52 are arranged on two sides of the upper portion of the wedge plate 5, and the limit stops 52 are matched with the outer surface of the steel pipe of the main beam 1.
In this scheme, during the use, arrange adjustable wedge in the top of holding in the palm 2, curved plate 3 catches on the layer board of holding in the palm 2, will hold in the palm 2 again and rise to girder 1, when the lower part of wedge 5 and girder 1 contact, adjustment adjusting screw 7 makes roof 6 drive the upper portion of wedge 5 and lean on to girder 1 lower surface, and girder 1 is located between limit stop 52 this moment.
What has been described above is only one embodiment of the present invention. It should be noted that, for a person skilled in the art, obvious variations and modifications can be made without departing from the principle of the invention, and these should also be considered as falling within the scope of the invention.

Claims (2)

1. The utility model provides an adjustable wedge that is used for arched bridge girder top to hold in palm which characterized in that: the device comprises a bent plate, a wedge plate, a top plate, a pin shaft and an adjusting screw rod, wherein the wedge plate, the top plate and the adjusting screw rod are placed on the bent plate; the bending plate is a flat plate with one end provided with a semicircular bend, the upper surface of the bent end of the bending plate is provided with a pin hole seat, and the other end of the upper surface of the bending plate is provided with a screw hole seat; two ends of the wedge plate are respectively provided with symmetrical pin holes; the upper part of the top plate is provided with a pin hole, and one side of the lower part of the top plate is provided with a vertical top block; the symmetrical pin holes at the lower part of the wedge plate are connected with the pin hole seats of the bent plate through pin shafts, the symmetrical pin holes at the upper part of the wedge plate are connected with the pin holes at the upper part of the top plate through pin shafts, the lower part of the top plate is arranged on the upper surface of the bent plate, and the adjusting screw penetrates through the screw hole seats and then contacts with one side surface of the vertical ejector block at the lower part of the top plate.
2. The adjustable wedge for the arch bridge girder jacking according to claim 1, wherein: and limiting stop blocks are arranged on two sides of the upper part of the wedge plate and matched with the outer surface of the steel pipe of the main beam.
CN202222625179.2U 2022-09-30 2022-09-30 Adjustable wedge for arch bridge main beam jacking Active CN218203908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222625179.2U CN218203908U (en) 2022-09-30 2022-09-30 Adjustable wedge for arch bridge main beam jacking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222625179.2U CN218203908U (en) 2022-09-30 2022-09-30 Adjustable wedge for arch bridge main beam jacking

Publications (1)

Publication Number Publication Date
CN218203908U true CN218203908U (en) 2023-01-03

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CN202222625179.2U Active CN218203908U (en) 2022-09-30 2022-09-30 Adjustable wedge for arch bridge main beam jacking

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CN (1) CN218203908U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115506254A (en) * 2022-09-30 2022-12-23 安徽水利开发有限公司 An Adjustable Wedge for Supporting Main Beam of Arch Bridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115506254A (en) * 2022-09-30 2022-12-23 安徽水利开发有限公司 An Adjustable Wedge for Supporting Main Beam of Arch Bridge

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