CN-224213146-U - Abutment construction unloading device

Abstract

The utility model discloses a bridge abutment construction unloading device which is used for solving the defect that the existing unloading device adopts a threaded pull bolt to carry out unloading operation. The abutment construction unloading device comprises wedge blocks, base plates and hydraulic jacks, wherein the opposite faces of the two base plates are of V-shaped structures composed of two inclined faces, each wedge block is provided with two wedge faces and four vertical faces, the two wedge faces in the wedge blocks are in sliding fit with the inclined faces in the base plates, the two wedge blocks are oppositely arranged in the space between the two base plates, and the two wedge blocks are supported by the hydraulic jacks. Even if the extreme condition that the hydraulic jack fails occurs, the two wedge blocks can be folded towards the middle under the action of pressure and finally stable at a certain height, so that the malignant event that the falling device breaks down integrally can not occur, and the safety in the bridge construction process is ensured.

Inventors

• Hui Zhiping

Assignees

• 永州市交通建设质量安全监督站

Dates

Publication Date

20260508

Application Date

20250606

Claims (6)

1. 1. Abutment construction unloading device, including wedge, base plate and hydraulic jack, its characterized in that, the base plate quantity is two, and sets up from top to bottom relatively, and the opposite face of two base plates is the V-arrangement structure of constituteing by two inclined planes, and the inclination of two inclined planes and horizontal plane is between 10 ~ 30, and two inclined planes are the symmetry setting, have the flange at the both sides border of two inclined planes, the wedge has two wedge and four vertical faces, looks at the wedge has trapezoidal profile, and the sliding fit is carried out to two wedge in this wedge and the inclined plane in the base plate, and two wedge relative settings are in the space between two base plates to install two at least hydraulic jack between two wedge, this hydraulic jack props up two wedges.
2. 2. The abutment work drop apparatus of claim 1, wherein the wedge blocks are solid iron blocks, and both ends of the hydraulic jack are mechanically installed in the installation grooves of the two wedge blocks, respectively.
3. 3. The abutment work drop apparatus of claim 1, wherein the base plate is a cast iron workpiece.
4. 4. The abutment work drop apparatus of claim 1, wherein the hydraulic pump driving the hydraulic jack is an electric hydraulic pump.
5. 5. The abutment work drop apparatus as claimed in claim 1, wherein the other side of the base plate opposite to the inclined surface is a reference surface defined by a side plate and a rib plate, and the rib plate connects the rear surface of the inclined surface and the side plate.
6. 6. The abutment work unloading device according to claim 1, wherein the positions of the two wedge blocks where the hydraulic jacks are mounted in the opposite faces are provided with mounting grooves, and both ends of the hydraulic jacks are respectively propped in the mounting grooves.

Description

Abutment construction unloading device Technical Field The utility model relates to the technical field of road and bridge construction, in particular to a device for high-altitude unloading of a bridge at a bridge abutment. Background In road and bridge construction, in the case of high lifting or low height, auxiliary operation is required by using a landing device. The existing drop device is different according to the working principle, and comprises a drop device and a wedge block drop device, wherein the wedge block drop device comprises two drop blocks which are arranged in pairs, the two drop blocks are restrained through a pull bolt, the overall height is controlled through the two drop blocks, and then the height is controlled. For example, patent document CN222160964U discloses a drop block, which comprises an upper support, a lower support and two side supports, wherein two side supports are slidably connected between the upper support and the lower support, a second chute is arranged on a slope symmetrically arranged at two ends of the upper side of the lower support, a height adjusting structure capable of driving the two side supports to move simultaneously is arranged in the second chute, the top between the side supports is slidably connected with the lower side of the upper support, a penetrating split screw is arranged between the two side supports, and threaded split nuts are arranged at two ends of the split screw. The structure is characterized in that the pull bolt is highly unloaded, the operation is complex, and in case of screw thread failure or fracture of the pull bolt, the whole unloading device can collapse, so that the device has certain potential safety hazard. Disclosure of utility model In order to solve the defects of the prior art, the utility model provides a bridge abutment construction unloading block device which is used for solving the defects of the existing unloading device that the existing unloading device adopts a threaded pull bolt to carry out unloading operation, and the defects are not only low in efficiency, but also have safety risks. The technical scheme adopted for solving the technical problems is as follows: The abutment construction unloading device comprises two wedge-shaped blocks, base plates and hydraulic jacks, and is characterized in that the number of the base plates is two, the base plates are arranged up and down relatively, the opposite faces of the two base plates are of V-shaped structures formed by two inclined planes, the inclined angles of the two inclined planes and a horizontal plane are between 10 degrees and 30 degrees, the two inclined planes are symmetrically arranged, flanges are arranged on the edges of the two inclined planes on the two sides of the base plates, the back faces of the base plates form planes through side plates and rib plates, the wedge-shaped blocks are provided with two wedge faces and four vertical faces, the wedge-shaped blocks are provided with trapezoid outlines when seen from the side faces, the two wedge faces in the wedge-shaped blocks are in sliding fit with the inclined planes in the base plates, the two wedge-shaped blocks are oppositely arranged in the space between the two base plates, and at least two hydraulic jacks are arranged between the two wedge-shaped blocks and support the two wedge-shaped blocks. Further, the wedge blocks are solid iron blocks, and two ends of the hydraulic jack are respectively and mechanically arranged in the mounting grooves of the two wedge blocks. Further, the substrate is a cast iron workpiece. Further, the hydraulic pump driving the hydraulic jack is an electric hydraulic pump. Further, the hydraulic pump driving the hydraulic jack is an electric hydraulic pump. Further, the other side of the base plate opposite to the inclined surface is a reference surface formed by enclosing the side plate and the rib plate, and the rib plate connects the back surface of the inclined surface and the side plate. Further, the positions of the two wedge-shaped blocks, on which the hydraulic jacks are arranged, are provided with mounting grooves, and two ends of the hydraulic jacks are respectively propped in the mounting grooves. The beneficial effects of the utility model are as follows: The safety is high, and V-shaped structure is constituteed to two inclined planes in this device, even if the extreme condition that hydraulic jack became invalid appears, foretell two wedge also can fold to the centre under the effect of pressure to finally stabilize at certain height, can not take place to unload the malignant event that falling device appearance wholeness collapses, guaranteed the safety of establishing the bridge in-process. The installation and the dismantlement are convenient, through base plate and the wedge with the cast iron material in this device, hydraulic jack fast assembly can realize the installation, because wedge cooperation has the characteristic of automatic lev