CN210658501U - Grab bucket for underground continuous wall trenching machine - Google Patents

Grab bucket for underground continuous wall trenching machine Download PDF

Info

Publication number
CN210658501U
CN210658501U CN201920919023.0U CN201920919023U CN210658501U CN 210658501 U CN210658501 U CN 210658501U CN 201920919023 U CN201920919023 U CN 201920919023U CN 210658501 U CN210658501 U CN 210658501U
Authority
CN
China
Prior art keywords
grab bucket
connecting plate
pipeline
wall
underground continuous
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.)
Expired - Fee Related
Application number
CN201920919023.0U
Other languages
Chinese (zh)
Inventor
谭刚萍
章强
胡增辉
张晓红
张仁豪
杨桂伦
孟洪峰
王雷
侯世磊
赵好勋
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.)
Ningbo Rail Transit Group Co Ltd
Original Assignee
Ningbo Rail Transit Group 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 Ningbo Rail Transit Group Co Ltd filed Critical Ningbo Rail Transit Group Co Ltd
Priority to CN201920919023.0U priority Critical patent/CN210658501U/en
Application granted granted Critical
Publication of CN210658501U publication Critical patent/CN210658501U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model discloses a grab bucket for underground continuous wall trenching machine, grab bucket and grab bucket actuating mechanism including two symmetry settings, grab bucket actuating mechanism and two grab bucket top drive is connected, two the bottom of grab bucket all is equipped with the enhancement fill tooth that is used for increasing the grab bucket and excavates degree of depth and width, at least one the pipeline protection device who is used for excavating the pipeline bottom soil body is installed to the lateral wall of grab bucket, through setting up pipeline protection device, makes the removal of excavating section accessible control grab bucket under the pipeline is deepened to the horizontal direction, releases the soil body edgewise under the pipeline, under the circumstances of guaranteeing pipeline safety, clears away the soil body of pipeline below fast, and the underground continuous wall trenching construction task that has the pipeline is accomplished to the high efficiency.

Description

Grab bucket for underground continuous wall trenching machine
Technical Field
The utility model relates to a ground wall construction equipment technical field, concretely relates to a grab bucket for underground continuous wall grooving machine.
Background
When the underground diaphragm wall is constructed, a grooving machine is firstly used for forming continuous grooves on the ground, and when construction is carried out in a subway station or a range adjacent to an urban area, a lot of difficulties are added to the ground construction due to more underground pipelines.
In the prior art, a trenching machine excavates and removes a ground soil body through two symmetrically arranged grab buckets; when the grab bucket meets a pipeline buried under the pipeline, soil on two sides of the pipeline can be easily excavated, but for the soil below the pipeline, the grab bucket is very difficult to operate, and the buried pipeline is often touched due to misoperation, so that serious consequences are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that above-mentioned prior art exists, provide a grab bucket for underground continuous wall grooving machine, through setting up pipeline protection device, make the removal of excavating section accessible control grab bucket under the pipeline is deepened to the horizontal direction, release the soil body edgewise under the pipeline, under the circumstances of guaranteeing pipeline safety, clear away the soil body of pipeline below fast, the high-efficient underground continuous wall grooving construction task that has the pipeline of accomplishing.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a grab bucket for secret continuous wall trenching machine, includes grab bucket and the grab bucket actuating mechanism that two symmetries set up, grab bucket actuating mechanism and two grab bucket top drive is connected, two the bottom of grab bucket all is equipped with the enhancement fill tooth that is used for increasing grab bucket excavation depth and width, at least one the pipeline protection device who is used for excavating the pipeline bottom soil body is installed to the lateral wall of grab bucket.
Preferably, the pipeline protection device comprises a connecting section and an excavating section, wherein the connecting section comprises three vertically arranged steel plates, the three steel plates are arranged in parallel and are welded and connected into a whole through a plurality of connecting steel bars, a plurality of rectangular grooves are formed between the three steel plates and the connecting steel bars, and the distance between every two adjacent steel plates is equal;
the excavating section comprises three linear steel bars, the three linear steel bars are arranged in parallel and are welded and connected at two ends through connecting steel bars, a plurality of rectangular grooves are formed between the three linear steel bars and the connecting steel bars, and the distance between every two adjacent linear steel bars is equal;
one end of the length direction of the connecting section is connected with one end of the length direction of the digging section, the other end of the length direction of the connecting section is provided with two connecting devices used for being connected with the grab bucket, and the pipeline protection device is connected with the grab bucket through the connecting devices.
Preferably, the connecting device comprises a lower connecting plate matched with the inner wall of the grab bucket and an upper connecting plate matched with the outer wall of the grab bucket, the lower connecting plate and the upper connecting plate are of an integrated structure, bolt mounting holes I are formed in the upper connecting plate and the lower connecting plate,
two oval through holes are respectively formed in the side walls of the two grab buckets, a bolt mounting hole II matched with the bolt mounting hole I on the upper connecting plate is formed above each oval through hole, and a bolt mounting hole II matched with the bolt mounting hole I on the lower connecting plate is formed below each oval through hole;
the lower connecting plate penetrates into the side wall of the grab bucket through the oval through hole, is tightly attached to the inner wall of the grab bucket and is connected with the grab bucket through a bolt, and meanwhile, the upper connecting plate is tightly attached to the outer wall of the grab bucket and is connected with the grab bucket through a bolt.
Preferably, the upper connecting plate and the lower connecting plate have radian matched with the side wall of the grab bucket.
Preferably, the distance between two adjacent straight steel bars is equal to the distance between two adjacent steel plates.
Preferably, the three steel plates have the same curvature in a vertical plane.
Preferably, cleaning brushes are arranged on the outer walls of the two steel plates on the front side and the rear side of the connecting section.
The utility model has the advantages that:
1. through the setting of strengthening the bucket tooth, for the grab bucket further increased the degree of depth and the width that can excavate, enlarge and excavate the scope, improve excavation efficiency.
2. Through the arrangement of the pipeline protection device, the excavating section can go deep into the position under the pipeline in the horizontal direction by controlling the movement of the grab bucket, soil mass under the pipeline is pushed out from the side face, the soil mass under the pipeline is constructed independently, the soil mass under the pipeline is removed rapidly under the condition of ensuring the safety of the pipeline, the soil mass is prevented from being accumulated due to the arrangement of the rectangular groove, and the material is steel bars or steel plates and has higher rigidity and strength; the radian of the steel plate at the connecting section enables the grab bucket and the excavating section to be in smooth transition, overcomes the defects of the traditional grab bucket, and can more efficiently finish the grooving construction of the underground diaphragm wall with the pipeline;
when the soil body on one side is dug to a preset depth, the pipeline protection device on the side can be detached and installed on the side wall of the grab bucket on the other side, and the soil body on the other side is continuously constructed.
3. The connecting device adopts a design which is internally and externally compatible, the lower connecting plate is attached to the inner wall of the grab bucket, the upper connecting plate is attached to the outer wall of the grab bucket, the contact area between the pipeline protection device and the grab bucket is increased, the connection stability is improved, and the pipeline protection device is ensured to be stably connected with the grab bucket through the bolt reinforcement connection; the lower connecting plate can be conveniently installed in a penetrating mode through the oval through holes.
4. The upper connecting plate and the lower connecting plate have radians matched with the side wall of the grab bucket, and the tight fit of the upper connecting plate, the lower connecting plate and the side wall of the grab bucket is ensured.
5. The cleaning brushes are arranged on the outer walls of the two steel plates on the front side and the rear side of the connecting section, so that sludge on the front side and the rear side of the groove can be cleaned simultaneously when the pipeline protection device works, and a cleaning function is added to the pipeline protection device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic view of the assembled structure of the present invention;
in the figure: 1. the pipeline protection device comprises a grab bucket, 11, a reinforcing bucket tooth, 12, an oval through hole, 13, a bolt mounting hole II, 2, a grab bucket driving mechanism, 3, a pipeline protection device, 31, a connecting section, 311, a steel plate, 32, an excavating section, 321, a linear steel bar, 33, a connecting steel bar, 34, a rectangular groove, 35, a connecting device, 351, an upper connecting plate, 352, a lower connecting plate, 353, a bolt mounting hole I, 4 and a cleaning brush.
Detailed Description
For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, a grab bucket for an underground continuous wall trenching machine comprises two grab buckets 1 and two grab bucket driving mechanisms 2 which are symmetrically arranged, wherein the grab bucket driving mechanisms 2 are in driving connection with the tops of the two grab buckets 1, the bottoms of the two grab buckets 1 are respectively provided with a reinforcing bucket tooth 11 for increasing the excavating depth and width of the grab bucket 1, the excavating depth and width of the grab bucket 1 are further increased by the arrangement of the reinforcing bucket tooth 11, the excavating range is expanded, the excavating efficiency is improved, and a pipeline protection device 3 for excavating the soil body at the bottom of a pipeline is arranged on the side wall of at least one grab bucket 1.
The pipeline protection device 3 comprises a connecting section 31 and an excavating section 32, wherein the connecting section 31 comprises three steel plates 311 which are vertically arranged, the three steel plates 311 are arranged in parallel and are welded and connected into a whole by a plurality of connecting steel bars 33, a plurality of rectangular grooves 34 are formed between the three steel plates 311 and the connecting steel bars 33, and the distance between two adjacent steel plates 311 is equal;
the excavation section 32 comprises three linear steel bars 321, the three linear steel bars 321 are arranged in parallel and are welded and connected at two ends through connecting steel bars 33, a plurality of rectangular grooves 34 are formed between the three linear steel bars 321 and the connecting steel bars 33, and the distance between every two adjacent linear steel bars 321 is equal;
one end of the connecting section 31 in the length direction is connected with one end of the excavating section 32 in the length direction, the other end of the connecting section 31 in the length direction is provided with two connecting devices 35 used for being connected with the grab bucket 1, and the pipeline protection device 3 is connected with the grab bucket 1 through the connecting devices 35.
Through the arrangement of the pipeline protection device 3, the digging section 32 can go deep into the position under the pipeline in the horizontal direction by controlling the movement of the grab bucket 1, the soil body under the pipeline is pushed out from the side face, the soil body under the pipeline is constructed independently, the soil body under the pipeline is removed rapidly under the condition of ensuring the safety of the pipeline, the soil body is prevented from being accumulated by the arrangement of the rectangular groove 34, and the materials are all steel bars or steel plates and have higher rigidity and strength; the radian of the steel plate of the connecting section 31 enables the grab bucket 1 and the excavating section 32 to be in smooth transition, so that the defects of the traditional grab bucket are overcome, and the grooving construction of the underground diaphragm wall with the pipeline can be completed more efficiently;
when the soil body on one side is dug to a preset depth, the pipeline protection device 3 on the side can be detached and installed on the side wall of the grab bucket 1 on the other side, and the soil body on the other side is continuously constructed.
The connecting device 35 comprises a lower connecting plate 352 matched with the inner wall of the grab bucket 1 and an upper connecting plate 351 matched with the outer wall of the grab bucket, the lower connecting plate 352 and the upper connecting plate 351 are of an integrated structure, the upper connecting plate 351 and the lower connecting plate 352 are respectively provided with a first bolt mounting hole 353,
two oval through holes 12 are respectively formed in the side walls of the two grab buckets 1, a second bolt mounting hole 13 matched with the first bolt mounting hole 353 in the upper connecting plate 351 is formed above each oval through hole 12, and a second bolt mounting hole 13 matched with the first bolt mounting hole 353 in the lower connecting plate 352 is formed below each oval through hole 12;
the lower connecting plate 352 penetrates into the side wall of the grab bucket 1 through the oval through hole 12, is tightly attached to the inner wall of the grab bucket 1, is connected with the grab bucket through a bolt, and meanwhile, the upper connecting plate 351 is tightly attached to the outer wall of the grab bucket 1 and is connected with the grab bucket through a bolt.
The connecting device 35 adopts a design which is compatible from inside to outside, and is attached to the inner wall of the grab bucket 1 through the lower connecting plate 352, and the upper connecting plate 351 is attached to the outer wall of the grab bucket 1, so that the contact area between the pipeline protection device 3 and the grab bucket 1 is increased, the connection stability is improved, and the pipeline protection device 3 and the grab bucket 1 are ensured to be stably connected through the bolt reinforcement connection; the oval through hole 12 facilitates the through installation of the lower connecting plate 352.
The upper connecting plate 351 and the lower connecting plate 352 have radians matched with the side wall of the grab bucket 1, and the tight fit of the upper connecting plate 351, the lower connecting plate 352 and the side wall of the grab bucket 1 is guaranteed.
The distance between two adjacent straight steel bars 321 is equal to the distance between two adjacent steel plates 311.
The three steel plates 311 have the same curvature in the vertical plane.
The outer walls of the two steel plates 311 on the front side and the rear side of the connecting section 31 are provided with cleaning brushes 4, so that sludge on the front side and the rear side of the groove can be cleaned simultaneously when the pipeline protection device 3 works, and a cleaning function is added for the pipeline protection device 3.
When the device is used, firstly, the pipeline protection device 3 is installed on the side wall of the grab bucket 1 on one side through the connecting device 35, the lower connecting plate 352 penetrates into the inner part of the side wall 1 of the grab bucket through the oval through hole 12 on the side wall of the grab bucket 1, the lower connecting plate 352 is tightly attached to the inner wall of the grab bucket 1 due to the fact that the lower connecting plate 352 has the radian matched with the side wall of the grab bucket 1, at the moment, the upper connecting plate 351 is also tightly attached to the outer wall of the grab bucket 1, and then the grab bucket 1 is connected with the grab bucket 1 in a reinforcing mode through bolts, so that the pipeline protection device 3; when the soil body below the pipeline needs to be constructed, an operator controls the grab bucket 1 to move, so that the pipeline protection device 3 is driven to move, the excavation section 32 of the pipeline protection device 3 extends into the position under the pipeline in the horizontal direction, the soil body under the pipeline is quickly removed under the condition that the safety of the pipeline is ensured, and the construction efficiency is improved; when the soil body on one side is excavated to the preset depth, the pipeline protection device 3 can be detached from the grab bucket 1 on the side and is installed on the side wall of the grab bucket 1 on the other side, so that the soil body on the other side is constructed.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (7)

1. The utility model provides a grab bucket for secret continuous wall trenching machine, includes grab bucket and the grab bucket actuating mechanism that two symmetries set up, grab bucket actuating mechanism and two grab bucket top drive is connected, its characterized in that, two the bottom of grab bucket all is equipped with the enhancement fill tooth that is used for increasing grab bucket excavation depth and width, at least one pipeline protection device that is used for excavating the pipeline bottom soil body is installed to the lateral wall of grab bucket.
2. The grab bucket for the underground continuous wall trenching machine as claimed in claim 1, wherein the pipeline protection device comprises a connecting section and an excavating section, the connecting section comprises three vertically arranged steel plates, the three steel plates are arranged in parallel and are welded and connected into a whole through a plurality of connecting steel bars, a plurality of rectangular grooves are formed between the three steel plates and the connecting steel bars, and the distance between two adjacent steel plates is equal;
the excavating section comprises three linear steel bars, the three linear steel bars are arranged in parallel and are welded and connected at two ends through connecting steel bars, a plurality of rectangular grooves are formed between the three linear steel bars and the connecting steel bars, and the distance between every two adjacent linear steel bars is equal;
one end of the length direction of the connecting section is connected with one end of the length direction of the digging section, the other end of the length direction of the connecting section is provided with two connecting devices used for being connected with the grab bucket, and the pipeline protection device is connected with the grab bucket through the connecting devices.
3. The grab bucket for the underground continuous wall trenching machine as claimed in claim 2, wherein the connecting device comprises a lower connecting plate matched with the inner wall of the grab bucket and an upper connecting plate matched with the outer wall of the grab bucket, the lower connecting plate and the upper connecting plate are of an integral structure, the upper connecting plate and the lower connecting plate are provided with a first bolt mounting hole,
two oval through holes are respectively formed in the side walls of the two grab buckets, a bolt mounting hole II matched with the bolt mounting hole I on the upper connecting plate is formed above each oval through hole, and a bolt mounting hole II matched with the bolt mounting hole I on the lower connecting plate is formed below each oval through hole;
the lower connecting plate penetrates into the side wall of the grab bucket through the oval through hole, is tightly attached to the inner wall of the grab bucket and is connected with the grab bucket through a bolt, and meanwhile, the upper connecting plate is tightly attached to the outer wall of the grab bucket and is connected with the grab bucket through a bolt.
4. The grab bucket for an underground continuous wall trenching machine as claimed in claim 3 wherein the upper connecting plate and the lower connecting plate have a curvature matching with the side wall of the grab bucket.
5. The grab bucket for the underground continuous wall trenching machine as claimed in claim 2, wherein the distance between two adjacent straight reinforcing bars is equal to the distance between two adjacent steel plates.
6. The grab bucket for an underground continuous wall trenching machine as claimed in claim 2 wherein the three steel plates have the same curvature in the vertical plane.
7. The grab bucket for the underground continuous wall trenching machine as claimed in claim 2, wherein the cleaning brushes are arranged on the outer walls of the two steel plates at the front side and the rear side of the connecting section.
CN201920919023.0U 2019-06-18 2019-06-18 Grab bucket for underground continuous wall trenching machine Expired - Fee Related CN210658501U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920919023.0U CN210658501U (en) 2019-06-18 2019-06-18 Grab bucket for underground continuous wall trenching machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920919023.0U CN210658501U (en) 2019-06-18 2019-06-18 Grab bucket for underground continuous wall trenching machine

Publications (1)

Publication Number Publication Date
CN210658501U true CN210658501U (en) 2020-06-02

Family

ID=70838259

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920919023.0U Expired - Fee Related CN210658501U (en) 2019-06-18 2019-06-18 Grab bucket for underground continuous wall trenching machine

Country Status (1)

Country Link
CN (1) CN210658501U (en)

Similar Documents

Publication Publication Date Title
KR100722665B1 (en) Steel guide wall for construction of underground diaphragm wall and construction method of underground diaphragm wall using the same
KR20100115019A (en) Panel joint for construction for underground diaphragm well and underground diaphragm well constructing method using the same
JP7527069B2 (en) Down-the-hole hammer type trench digger for underground diaphragm walls and method of using same
CN210658501U (en) Grab bucket for underground continuous wall trenching machine
CN208594938U (en) It is a kind of to walk the open shield excavation machine of type certainly
KR101300785B1 (en) Retaining wall made from reinforced plastic
AU2019280036A1 (en) Narrow Trencher Bucket
KR20130061377A (en) Structure of retaining wall and construction method for installing underground structures
CN211472517U (en) Advanced water stop structure between piles
CN212078060U (en) Slotter for constructing underground continuous wall
CN109487846B (en) Cutter for excavating and grouting strip-shaped deep groove foundation
CN202945681U (en) Automatic baffle for foundation trench
KR20130061372A (en) Structure of retaining wall and construction method for installing underground structures
JP5871624B2 (en) Construction method of retaining wall
CN111877429B (en) Grooving device, grooving machine and grooving method suitable for construction of local diaphragm wall under cable trench
CN207727550U (en) A kind of assembled subterranean wall
CN207727613U (en) A kind of assembled hypogee
CN221072788U (en) Grooving machine grab bucket with cutting edge on outer side
CN110424331A (en) A kind of power station pin-connected panel water-drawing channel and construction method
CN212294788U (en) Soil digging tool between H-shaped steel of SMW construction method pile
CN205242443U (en) A immersed tube construction equipment for building tunnel
CN109469046B (en) Strip deep and narrow foundation excavation grouting integrated equipment
CN215482881U (en) A piecing devices that is used for glass fiber muscle ground to link wall female groove
CN212026394U (en) Wall brushing device for I-steel joint attached to grab bucket of underground diaphragm wall
CN206346252U (en) A kind of cubic metre of earth and stone Excavating bucket

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200602