CN111877429B - Grooving device, grooving machine and grooving method suitable for construction of local diaphragm wall under cable trench - Google Patents
Grooving device, grooving machine and grooving method suitable for construction of local diaphragm wall under cable trench Download PDFInfo
- Publication number
- CN111877429B CN111877429B CN202010732124.4A CN202010732124A CN111877429B CN 111877429 B CN111877429 B CN 111877429B CN 202010732124 A CN202010732124 A CN 202010732124A CN 111877429 B CN111877429 B CN 111877429B
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- Prior art keywords
- bucket
- bucket tooth
- grooving
- installation box
- cable trench
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
Abstract
The invention discloses a grooving device, a grooving machine and a grooving method suitable for local diaphragm wall construction under a cable trench, wherein the technical scheme is as follows: the bucket tooth mounting box is fixedly mounted on the back side of the bucket; the bucket tooth mounting box is of a hollow structure, a plurality of first bucket teeth are uniformly mounted on one side of the bucket tooth mounting box, and a plurality of second bucket teeth are uniformly mounted on the other side of the bucket tooth mounting box; the end part of the first bucket tooth is provided with a bent structure, and transverse excavation is realized through the first bucket tooth. The invention can transversely excavate the soil body and provides operability for excavating the soil body with larger depth.
Description
Technical Field
The invention relates to the field of foundation pit engineering, in particular to a grooving device, a grooving machine and a grooving method suitable for local diaphragm wall construction under a cable trench.
Background
Along with more and more foundation pit projects, the construction underground diaphragm wall under the underground facility needs to consider the blocking of the existing structure, the problems of the prior art are avoided, and the solution is the current popular research direction, so that the trenching excavation under the existing structure is more and more difficult.
At present, the ground connecting wall grooving equipment has grab bucket type, impact type and the like, and the inventor finds that the equipment has a problem that the equipment can only excavate grooves within a designed range, and the equipment adopts a vertical soil body excavating method, namely transverse excavating groove forming is lack of function, and the equipment cannot play a role when slightly exceeding the transverse excavating range. Existing building structures such as cable trenches and sewers often become obstacles to the above-mentioned defects, for example, the soil body below the cable trench cannot be excavated to a depth of 30 meters, and substantial difficulty is encountered in excavating the soil body. In the actual engineering, new mechanical equipment can hardly be redesigned due to the problems of capital, manpower and the like, and the full utilization of the existing grab bucket type trenching machine is lacked.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a grooving device, a grooving machine and a grooving method suitable for local underground diaphragm wall construction under a cable trench, which can transversely excavate a soil body and provide operability for excavating the soil body with larger depth.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a grooving apparatus suitable for local diaphragm wall construction under a cable trench, including a bucket and a bucket tooth installation box, where the bucket tooth installation box is fixedly installed at the back side of the bucket; the bucket tooth mounting box is of a hollow structure, a plurality of first bucket teeth are uniformly mounted on one side of the bucket tooth mounting box, and a plurality of second bucket teeth are uniformly mounted on the other side of the bucket tooth mounting box; the end part of the first bucket tooth is provided with a bent structure, and transverse excavation is realized through the first bucket tooth.
As a further implementation mode, the bucket tooth installation box is fixed by a plurality of rectangular section steels into a whole, and the plurality of rectangular section steels are arranged along the length direction of the bucket.
As a further implementation mode, one side of the bucket tooth installation box is fixedly connected with the bucket through a plurality of protection plates.
As a further implementation manner, the protection plate is provided with a through hole for the steel wire rope to pass through.
As a further implementation mode, a plurality of drain holes are formed in the side face of the bucket, and one end of the protection plate penetrates through the drain holes to be fixed with the bucket.
As a further implementation manner, the number of the drain holes is larger than that of the protection plates.
As a further implementation manner, the first bucket tooth and the second bucket tooth are respectively fixed at the edge of the bottom of the bucket tooth installation box, and the length of the first bucket tooth exceeding the edge of the bucket tooth installation box is greater than the length of the second bucket tooth exceeding the edge of the bucket tooth installation box.
As a further implementation, an end of the second tooth has an inclined surface.
In a second aspect, the embodiment of the invention also provides a grooving machine suitable for local diaphragm wall construction under a cable trench, which comprises the grooving device.
In a third aspect, an embodiment of the present invention further provides a grooving method suitable for local diaphragm wall construction under a cable trench, including:
excavating upper soil bodies on two sides of the cable trench to the bottom of the cable trench to form a trench for the grooving device to extend into;
and (4) lowering the grooving device into the groove, and excavating the soil body on the lower part of the cable trench.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
(1) one or more embodiments of the invention are improved on the basis of the bucket of the existing grab bucket trenching machine, and the bucket tooth installation box with a hollow structure below the bucket is used for solving the problem that the soil body cannot be transversely excavated in the prior art; the bucket tooth installation box is of a hollow structure, so that soil can pass through the bucket tooth installation box, and the overall weight of the device can be reduced; the size of the bucket tooth installation box and the length of the first bucket tooth can be properly increased so as to meet the requirement of transverse excavation;
(2) the first bucket tooth of one or more embodiments of the present invention has a curved structure, enabling lateral excavation; the bucket tooth mounting box is used for connecting the bucket tooth and the bucket, so that bending and deformation caused by long-term use can be prevented, and the structure is stable;
(3) one or more embodiments of the invention can greatly reduce labor costs through the rational use of long arm excavators and trenching machines; the grab bucket trenching machine is flexibly used for trenching the underground diaphragm wall, so that the excavation range of the bucket is wider; the problem that the prior art can not transversely excavate the soil body is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic illustration of the construction of the present invention according to one or more embodiments;
FIG. 2 is a schematic illustration of lateral excavation according to one or more embodiments of the present disclosure;
FIG. 3 is a schematic diagram of a trenching assembly according to one or more embodiments of the present disclosure;
the device comprises a bucket 1, a protective plate 2, a drain hole 3, a through hole 4, a first bucket tooth 5, a bucket tooth installation box 6, a second bucket tooth 7, an upper soil body 8, a cable trench 9 and a lower soil body 10.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected directly or indirectly through an intermediate medium, or the two components can be connected internally or in an interaction relationship, and the terms can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the embodiment provides a grooving device suitable for local diaphragm wall construction under a cable trench, and as shown in fig. 3, the grooving device comprises a bucket 1, a bucket tooth installation box 6, a protection plate 2 and bucket teeth, wherein the bucket tooth installation box 6 is fixedly connected with the bucket 1, and the protection plate 2 is connected between the bucket 1 and the bucket tooth installation box 6; the bucket teeth are fixedly connected with the bucket tooth installation box 6.
In the present embodiment, the bucket 1 is a bucket type bucket, which is a prior art and will not be described herein.
Specifically, the bucket tooth installation box 6 is installed at the back of the bucket 1 and is of a hollow structure with two open ends, namely a through groove structure; firstly, make the soil body can pass through in the bucket tooth install bin 6, secondly reduce the whole weight of device. Further, bucket tooth install bin 6 adopts a plurality of rectangle shaped steel fixed, and the open end orientation of rectangle shaped steel keeps unanimous with the excavation direction of scraper bowl 1.
In this embodiment, the bucket tooth installation box 6 is welded into a whole by three rectangular section steels, and is prefabricated in a factory. In other embodiments, the number of the rectangular section steels may be other, specifically determined according to the size of the rectangular section steel.
Bucket tooth install bin 6 one side links to each other with the back of scraper bowl 1 through a plurality of protection shields 2, and protection shield 2 is fixed in bucket tooth install bin 6 open end one side to set up along bucket tooth install bin 6's width direction. The connection between the bucket tooth installation box 6 and the bucket 1 is strengthened through the protection plate 2.
According to the embodiment, the range requirement in the excavation process can be met by adopting a structure fixed by a plurality of rectangular section steels on the basis of not damaging the bucket structure of the original trenching machine according to the soil body strength and the actual engineering condition. Interconnect between the rectangle shaped steel plays good assembly effect, prevents the bending and the deformation that cause when using for a long time, and is durable more.
Furthermore, a drain hole 3 is formed in the side surface of the bucket 1, and one end of the protection plate 2 penetrates through the drain hole 3 and is fixed with the bucket 1 in a welding mode. The number of the drainage holes 3 is larger than the number of the protection plates 2 (only one protection plate 2 is shown in fig. 3). Seted up through-hole 4 on the protection shield 2, wire rope passes through-hole 4 and is connected with 1 upper portion connecting rod of scraper bowl or dipper, as later stage safeguard measure, even bucket tooth install bin 6 drops and also can guarantee that shaped steel retrieves.
The bucket tooth is installed in bucket tooth install bin 6 and keeps away from scraper bowl 1 one side, and the bucket tooth divide into and installs the first bucket tooth 5 in the upside of bucket tooth install bin 6 (with the direction of motion of scraper bowl 1 as the reference), installs the second bucket tooth 7 in bucket tooth install bin 6 downside. First bucket tooth 5, second bucket tooth 7 stretch out certain length in bucket tooth install bin 6 edges respectively, and the length of stretching out of first bucket tooth 5 is greater than the length of stretching out of second bucket tooth 7.
Furthermore, a plurality of first bucket teeth 5 are arranged along the length direction of the bucket tooth installation box 6 and are uniformly arranged; one end of the first bucket tooth 5 is fixed with the edge of the bottom of the bucket tooth installation box 6, and the other end of the first bucket tooth is provided with an upward-bent radian. A plurality of second bucket teeth 7 are arranged along the length direction of the bucket tooth installation box 6 and are uniformly arranged; one end of the second bucket tooth 7 is fixed with the edge of the bottom of the bucket tooth installation box 6, the other end of the second bucket tooth is vertical, and the end part of the second bucket tooth is provided with an inclined plane.
Because first bucket tooth 5 is provided with crooked radian, under trenching machine power effect, first bucket tooth 5 can realize horizontal excavation and be favorable to the soil body or rock to get into in the cavity of bucket tooth install bin 6. The first bucket tooth 5 has a curvature, and when the upward inclined portion of the first bucket tooth 5 is inserted into the soil body, the soil body is excavated along an arc line from bottom to top along the operation track of the bucket, as shown in fig. 2.
The bucket tooth mounting box 6 with larger size or the first bucket tooth 5 with longer size can be replaced according to the excavation requirement, but the hydraulic pressure of the machine is not exceeded, and the machine is not damaged. The excavated soil body is discharged through the cavity inside the bucket tooth installation box 6 and can be shoveled by the bucket 1. The second bucket teeth 7 do not need to excavate soil, so that no bending radian is set; the scraper bucket has a directional effect in the process of shoveling soil by the scraper bucket 1, so that the resistance of soil to the scraper bucket 1 is reduced, and the loading efficiency of the scraper bucket is improved.
In this embodiment, the first tooth 5, the second tooth 7 and the tooth mounting box 6 may be fixed by welding, bolts, or other fixing methods.
Example two:
the embodiment provides a grooving machine suitable for local underground diaphragm wall construction under a cable trench, which comprises the grooving device in the embodiment I, a grooving machine host, a host large arm, a hoisting mechanism and the like, wherein the host large arm is rotatably connected with the grooving machine host; the grooving device is connected below the main machine large arm through a hoisting mechanism.
The main machine of the grooving machine, the main machine large arm and the hoisting mechanism are all realized by adopting the prior art, and the details are not repeated here.
Example three:
the embodiment provides a grooving method suitable for local diaphragm wall construction under a cable trench, and soil 8 on the upper portion of the cable trench needs to be excavated through a long-arm excavator or manual excavation. The cable trench 9 is a barrier and excavation of the lower soil 10 is the main purpose of this embodiment. In this embodiment, the depth of the soil body groove is 30m, and the groove position is just at the bottom of the cable trench 9. Due to the service requirements of nearby buildings or residents, the cable trench 9 cannot be moved, is dragged by the steel sheet pile and steel beam, and forms a groove condition.
Specifically, the method comprises the following steps:
the method comprises the following steps: soil on both sides of the cable trench 9 is excavated to form a trench into which the trenching apparatus can extend as shown in figure 1.
Specifically, firstly, steel sheet piles are arranged on two sides of the cable trench, and a cross beam is arranged between the steel sheet piles to support the cable trench; the upper soil body 8 and the side soil body of the cable trench are excavated while the cable trench is supported to ensure the safety of the cable trench.
The excavation of the soil body 8 on the upper part of the cable trench needs to utilize a long-arm excavator or manual excavation, the size of a bucket of the long-arm excavator is determined according to the size of the cable trench, and the soil body is excavated within the safety range of the cable trench.
The safety range is to avoid the trench support member and the trench itself.
Step two: as shown in fig. 2, the trenching apparatus excavates the soil 10 at the lower portion of the cable trench along the formed trench, which is the soil on both sides of the cable trench, and has excavated the trench by using the original non-modified bucket teeth. On the basis, the lower soil bodies on the two sides of the cable trench are excavated at first, and then the other side is replaced after the excavation is finished.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. The grooving device is suitable for local diaphragm wall construction under a cable trench and is characterized by comprising a bucket and a bucket tooth installation box, wherein the bucket tooth installation box is fixedly installed on the back side of the bucket; the bucket tooth installation box is of a hollow structure with openings at two ends and is formed by fixing a plurality of rectangular section steels, and the opening end of the bucket tooth installation box keeps consistent with the excavation direction of the bucket; the bucket teeth are arranged on one side, away from the bucket, of the bucket tooth installation box and are divided into first bucket teeth and second bucket teeth, the first bucket teeth are evenly arranged on the upper side of the bucket tooth installation box, and the second bucket teeth are evenly arranged on the lower side of the bucket tooth installation box; the end part of the first bucket tooth is provided with a bent structure, and transverse excavation is realized through the first bucket tooth; one side of the bucket tooth installation box is fixedly connected with the bucket through a plurality of protection plates; the protection plate is provided with a through hole for the steel wire rope to pass through.
2. The trenching assembly of claim 1 wherein the plurality of rectangular-shaped steel sections are arranged along a length of the bucket.
3. The grooving apparatus for partial underground diaphragm wall construction of a cable trench as claimed in claim 1, wherein the bucket has a plurality of drainage holes formed in a side surface thereof, and the protection plate has one end fixed to the bucket through the drainage holes.
4. The grooving apparatus for partial underground diaphragm wall construction of a cable trench according to claim 3, wherein the number of the water discharge holes is greater than the number of the protection plates.
5. The grooving apparatus suitable for local diaphragm wall construction under a cable trench of claim 1, wherein the first bucket tooth and the second bucket tooth are fixed to an edge of the bucket tooth installation box respectively, and a length of the first bucket tooth exceeding the edge of the bucket tooth installation box is greater than a length of the second bucket tooth exceeding the edge of the bucket tooth installation box.
6. The grooving apparatus for partial diaphragm wall construction under a cable trench of claim 1 or 5, wherein an end of the second tooth has an inclined surface.
7. A trenching machine adapted for local diaphragm wall construction beneath a cable trench comprising a trenching assembly as claimed in any one of claims 1 to 6.
8. Grooving method suitable for local diaphragm wall construction under cable trenches, characterized in that a grooving apparatus according to any one of claims 1-6 is used, comprising:
excavating soil bodies on the upper parts of two sides of the cable trench to the bottom of the cable trench to form a trench for the grooving device to extend into;
and the grooving device is lowered into the groove, and soil body at the lower part of the cable trench is excavated to realize transverse excavation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732124.4A CN111877429B (en) | 2020-07-27 | 2020-07-27 | Grooving device, grooving machine and grooving method suitable for construction of local diaphragm wall under cable trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732124.4A CN111877429B (en) | 2020-07-27 | 2020-07-27 | Grooving device, grooving machine and grooving method suitable for construction of local diaphragm wall under cable trench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111877429A CN111877429A (en) | 2020-11-03 |
| CN111877429B true CN111877429B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010732124.4A Active CN111877429B (en) | 2020-07-27 | 2020-07-27 | Grooving device, grooving machine and grooving method suitable for construction of local diaphragm wall under cable trench |
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| CN (1) | CN111877429B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516183A (en) * | 1967-02-02 | 1970-06-23 | Stanley Serota | Grab with adjustable guide mast |
| TW424122B (en) * | 1997-09-18 | 2001-03-01 | Bauer Spezialtiefbau | Slurry wall means |
| KR101617174B1 (en) * | 2015-09-16 | 2016-05-02 | 삼보이엔씨 주식회사 | Diaphragm wall excavator |
| CN209162918U (en) * | 2018-11-08 | 2019-07-26 | 上海城地建设股份有限公司 | One kind can reaming Rotatable grab bucket apparatus |
| CN110042876B (en) * | 2019-04-25 | 2021-06-08 | 浙江易通特种基础工程股份有限公司 | Method for constructing impervious wall by using grab bucket of trenching machine |
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- 2020-07-27 CN CN202010732124.4A patent/CN111877429B/en active Active
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