CN-121992833-A - Soft foundation dredging construction device

CN121992833ACN 121992833 ACN121992833 ACN 121992833ACN-121992833-A

Abstract

The invention provides a soft foundation dredging construction device, which relates to the technical field of highway subgrade engineering construction and comprises a vehicle body, a dredging mechanism, a transferring mechanism and a driving mechanism, wherein a storage bucket is arranged on the vehicle body and comprises a first storage part and a second storage part, the dredging mechanism comprises a mounting cylinder, a chain conveyor and a plurality of dredging buckets, the chain conveyor is arranged in the mounting cylinder, the dredging buckets are arranged on the chain conveyor, the dredging buckets are provided with mud discharge openings, an opening plate is rotatably arranged at the mud discharge openings, a screen leaking plate is arranged in the dredging buckets, the transferring mechanism comprises a bearing plate, a conveying pipe and a suction pump, the bearing plate is positioned between the upper side and the lower side of the chain conveyor, the bottom end of the bearing plate is provided with a bearing bin, one end of the conveying pipe is communicated with the bearing bin, the other end of the conveying pipe extends to the upper side of the second storage part, and the driving mechanism can drive the opening plate to rotate so as to seal or open the mud discharge openings. The invention can realize synchronous dredging of sludge and separation of massive solid sundries.

Inventors

ZHANG ZHENYU
XIAO LU
WANG TAO
GUO WEN
LIU DINGCHUN
CHEN MING
ZHONG MINCHAO
CAI NING
ZHAI YONG
LI HUA

Assignees

江西安源路桥集团有限公司
江西省交通投资集团有限责任公司

Dates

Publication Date: 20260508
Application Date: 20260331

Claims (10)

1. The soft foundation dredging construction device is characterized by comprising a vehicle body, a digging mechanism, a transferring mechanism and a driving mechanism; The storage hopper is arranged on the vehicle body and comprises a first storage part and a second storage part which are partitioned independently; The excavating mechanism comprises a mounting cylinder, a chain conveyor and a plurality of buckets, wherein the chain conveyor is arranged in the mounting cylinder, two ends of the chain conveyor penetrate out of two ends of the mounting cylinder respectively, the top end of the chain conveyor is positioned above the first storage part, the mounting cylinder is obliquely arranged on a vehicle body, so that the chain conveyor forms an upper side and a lower side, the buckets are respectively arranged on the chain of the chain conveyor, the direction of the bucket towards the chain conveying is provided with an excavating opening, one side of the bucket, close to the chain, is provided with a sludge discharge opening, an opening plate is rotatably arranged at the sludge discharge opening, and a drain screen plate which is arranged at the sludge discharge opening in a blocking manner is arranged in the bucket; the transfer mechanism comprises a bearing plate, a conveying pipe and a suction pump, wherein the bearing plate is fixed with the mounting cylinder and is positioned between the upper side and the lower side of the chain conveyor, a bearing bin is arranged at the bottom end of the bearing plate, one end of the conveying pipe is communicated with the bearing bin, the other end of the conveying pipe extends to the upper side of the second storage part, and the suction pump is mounted on the conveying pipe; the driving mechanism can drive the opening and closing plate to rotate so as to close or open the sludge discharge port.
2. The soft foundation dredging construction device according to claim 1, wherein the driving mechanism comprises a driving assembly and a guide ring body, the guide ring body is arranged along the conveying track of the chain conveyor and is mounted on the inner wall of the mounting cylinder, the part, which is positioned at the upper side of the chain conveyor and passes through the bearing plate area, of the guide ring body is provided with a transverse offset reducing part, the driving assembly is mounted on each bucket, the driving assembly comprises a moving part, a transmission column and a first bevel gear, the first bevel gear is mounted on a rotating shaft of the opening and closing plate, the moving part is slidably mounted on one side of the bucket in a direction approaching or separating from the bucket, a slide buckle and a rack are mounted on the moving part, the slide buckle is sleeved on the guide ring body, the transmission column is rotatably mounted on the bucket, a second bevel gear and a transmission gear are mounted on the transmission column, the second bevel gear is meshed with the first bevel gear, and the transmission gear is meshed with the rack, and when the slide buckle passes through the reducing part, the slide buckle can drive the opening and closing plate to open.
3. A soft foundation dredging construction device according to claim 2, wherein the path of the reducing portion is in the form of a wave extending in a transversely curved manner.
4. The soft foundation dredging construction device according to claim 3, wherein the screen leakage plate is slidably mounted on the inner wall of the bucket along the direction close to or far away from the dredging opening, an elastic piece is connected between the screen leakage plate and the inner wall of the bucket, the elastic piece can provide elastic force for pulling the screen leakage plate into the bucket, an arc strip is arranged on the inner side of the opening and closing plate, the arc strip takes a rotating shaft of the opening and closing plate as a center, a plurality of convex teeth are distributed on the outer wall of the arc strip, and an abutting piece abutting against the outer wall of the arc strip is arranged on the inner end of the screen leakage plate.
5. A soft foundation dredging construction device according to claim 3, wherein the outside of the opening plate is provided with a shock part, the distal end of the shock part passes over the rotating shaft of the opening plate and extends outwards to be provided with a shock head, and when the opening plate is opened, the shock head can collide with one side of the bucket away from the digging opening.
6. The soft foundation dredging construction device according to claim 5, wherein the shock part is rotatably connected with the opening and closing plate, and a torsion spring is mounted at the rotation connection part of the shock part and the opening and closing plate, and the torsion spring can provide an elastic force for attaching the shock part to one side of the rotation shaft of the opening and closing plate.
7. The soft foundation dredging construction device according to claim 1, wherein a mounting seat is mounted on the vehicle body, the mounting cylinder is slidably connected with the mounting seat, a hydraulic cylinder is mounted on the mounting seat, and a telescopic shaft end of the hydraulic cylinder is fixed with the mounting cylinder.
8. The soft foundation dredging construction device according to claim 1, wherein the two sides of the inner wall of the bucket are provided with arc walls at one end close to the sludge discharge opening.
9. The soft foundation dredging construction device according to claim 1, wherein the edge of the bucket at the dredging opening is provided with a thin-wall cutting part.
10. The soft foundation dredging construction device according to claim 1, wherein the two sides of the receiving plate are respectively provided with side baffles, and the width of the receiving plate is larger than the width of the sludge discharge opening.

Description

Soft foundation dredging construction device Technical Field The invention relates to the technical field of highway subgrade engineering construction, in particular to a soft foundation dredging construction device. Background In highway subgrade engineering construction, a part of road sections can relate to special geological conditions such as ponds, paddy fields, soft soil areas and the like, and a silt layer is often arranged on a subgrade base of the areas. The silt layer has high humic substance content, high compressibility and poor soil quality index, can not meet the requirements of roadbed bearing capacity and stability, and can directly cause roadbed settlement and deformation if not treated, so that silt is removed in a dredging and filling mode, and the quality of roadbed engineering is guaranteed. At present, dredging operation in roadbed construction mainly depends on an excavator to directly excavate sludge. However, in the actual construction process, large solid sundries such as stones, plant rootstocks, waste members and the like are often mixed in the sludge to be cleaned. The excavator bucket of the existing excavator only has the excavating and loading functions, separation of sludge and massive solid sundries cannot be achieved in the excavating process, and sludge mixed with sundries is excavated and transported together. After the silt is transported to a spoil field, in order to meet the environmental protection disposal requirement, the large-block sundries still need to be manually sorted and separated, the operation flow is complex, a large amount of labor cost is additionally input, the separation efficiency is low, and the whole progress of dredging operation is seriously dragged slowly. In addition, for dredging operation with large engineering quantity, the efficiency short plate of the manual separation mode is more outstanding, and the substrate is possibly exposed for a long time due to the delay of the construction period and is softened under the influence of natural factors such as rainwater soaking, so that the construction quality of the roadbed is further reduced. Therefore, it is needed to provide a soft foundation dredging construction device to synchronously realize separation of sludge and massive solid sundries in the sludge dredging process, and guarantee construction quality and progress of roadbed engineering. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides a soft foundation dredging construction device, which aims to solve the problem that the traditional excavator cannot separate sludge from massive solid sundries in the excavating process. The aim of the invention is achieved by the following technical scheme: The invention provides a soft foundation dredging construction device which comprises a vehicle body, a digging mechanism, a transferring mechanism and a driving mechanism, wherein the digging mechanism is arranged on the vehicle body; The storage hopper is arranged on the vehicle body and comprises a first storage part and a second storage part which are partitioned independently; The excavating mechanism comprises a mounting cylinder, a chain conveyor and a plurality of buckets, wherein the chain conveyor is arranged in the mounting cylinder, two ends of the chain conveyor penetrate out of two ends of the mounting cylinder respectively, the top end of the chain conveyor is positioned above the first storage part, the mounting cylinder is obliquely arranged on a vehicle body, so that the chain conveyor forms an upper side and a lower side, the buckets are respectively arranged on the chain of the chain conveyor, the direction of the bucket towards the chain conveying is provided with an excavating opening, one side of the bucket, close to the chain, is provided with a sludge discharge opening, an opening plate is rotatably arranged at the sludge discharge opening, and a drain screen plate which is arranged at the sludge discharge opening in a blocking manner is arranged in the bucket; the transfer mechanism comprises a bearing plate, a conveying pipe and a suction pump, wherein the bearing plate is fixed with the mounting cylinder and is positioned between the upper side and the lower side of the chain conveyor, a bearing bin is arranged at the bottom end of the bearing plate, one end of the conveying pipe is communicated with the bearing bin, the other end of the conveying pipe extends to the upper side of the second storage part, and the suction pump is mounted on the conveying pipe; the driving mechanism can drive the opening and closing plate to rotate so as to close or open the sludge discharge port. Further, the driving mechanism comprises a driving assembly and a guiding ring body, the guiding ring body is arranged along the conveying track of the chain conveyor and is arranged on the inner wall of the mounting cylinder, the guiding ring body is located at the upper side of the chain conveyor