CN111391288A - Automatic head expanding device of slope support drain pipe and construction process for expanding upstream face of automatic head expanding device - Google Patents
Automatic head expanding device of slope support drain pipe and construction process for expanding upstream face of automatic head expanding device Download PDFInfo
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- CN111391288A CN111391288A CN202010297749.2A CN202010297749A CN111391288A CN 111391288 A CN111391288 A CN 111391288A CN 202010297749 A CN202010297749 A CN 202010297749A CN 111391288 A CN111391288 A CN 111391288A
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- pipe
- pipe wall
- wall
- rod
- vertical stress
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
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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
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses an automatic head expanding device of a side slope support drain pipe and a construction process for expanding the upstream face of the automatic head expanding device, wherein four symmetrical vertical openings are sawn at the head of a PVC drain pipe by using an electric saw, mechanical expanders are installed, the left end and the right end of a sliding fixed rod are respectively connected with a pipe wall fixed plate, the pipe wall fixed plate is connected with a vertical stress rod through a lateral thrust dowel bar, and the vertical stress rod penetrates through a circular pipe central hole of the sliding fixed rod; a limit baffle and a hinged transmission fixed support are arranged in two thirds of the upper end of the pipe wall fixing plate, and two ends of the lateral thrust dowel bar are respectively connected with the hinged transmission fixed support of the pipe wall fixing plate and the connecting rod support of the vertical stress bar through bearings; wrapping a layer of water filtering fiber net in the range of 250mm of the tube bottom, and bundling and fixing the water filtering fiber net around the outer wall of the tube by using a binding belt; the mechanical expander at the bottom of the pipe is used for expanding the pipe wall within the range of 20cm from the bottom of the pipe to two sides by applying thrust to the bottom of the pipe, the expanded pipe wall props against soil on the wall of the hole, the expanded pipe wall is used for expanding the water strainer together, the width is expanded by 4cm at the maximum, the saw cut of the pipe wall is 1cm at the same time, the area of a water seepage opening is expanded, and the water drain pipe is stabilized at the same time.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an automatic head expanding device of a slope support drain pipe and a construction process for expanding a water-facing surface of the device.
Background
With the rapid development of national economy, a large amount of buildings and road traffic facilities are built along with the pace of economic development, the land consumption is increased, a mountain has to be dug for land building in many times, and a large amount of side slopes can be formed by digging hills. Slope support engineering is extremely important to the protection safety of facilities in the site. The drain pipe is used as a very important measure for ensuring the stability of the slope engineering. At present, a large number of old side slopes which are already supported for years are seriously blocked, a large number of water drain pipes lose the water draining function soon, and partial side slopes are supported or even no water drain pipe is arranged. According to the existing installation process when an old side slope is transformed, the upstream surface of the bottom of the water drain pipe is small, and the water drain pipe is often installed infirm in construction.
Disclosure of Invention
The invention aims to provide an automatic head expanding device of a side slope supporting drain pipe and a construction process for expanding the upstream face of the device.
The invention provides the following technical scheme:
an automatic head expanding device of a side slope support drain pipe comprises a PVC drain pipe and a mechanical expander, wherein a pipe head of the PVC drain pipe is sawn into four symmetrical vertical openings by using an electric saw, the length of each opening is 20cm, and the distance between the openings is 4 cm; the mechanical expander comprises a pipe wall fixing plate, a vertical stress rod and a sliding fixing rod which are bilaterally symmetrical, the left end and the right end of the sliding fixing rod are respectively connected with the pipe wall fixing plate, the pipe wall fixing plate is connected with the vertical stress rod through a lateral thrust dowel bar, and the vertical stress rod penetrates through a circular pipe center hole of the sliding fixing rod; the upper end part of the pipe wall fixing plate is provided with an outward wall hanging hook, a limit baffle and a hinged transmission fixing support are arranged in about two thirds of the upper end of the pipe wall fixing plate, and the pipe wall fixing plate is fixedly connected with the pipe wall of the PVC water drain pipe through the wall hanging hook by bolts; the left side and the right side of the middle upper part of the vertical stress rod are both provided with a connecting rod support, and the two ends of the lateral thrust dowel bar are respectively connected with the hinged transmission fixed support of the pipe wall fixing plate and the connecting rod support of the vertical stress rod through bearings.
The vertical stress rod is processed by phi 8 steel bars, and the connecting rod support is welded on the rod; the bottom end of the vertical stress rod is provided with a vertical stress expansion plate which is a disc with the diameter of 40mm and the thickness of 2 mm.
The pipe wall fixing plate is processed by Q235 steel bars, the steel bars are 4mm thick and 10mm wide, the hinged transmission fixing support is processed by welding, and the limiting baffle is fixed by welding.
The lateral thrust dowel bar is processed by adopting a steel plate with the thickness of 3mm, and bearings at two ends are welded by adopting round steel with the diameter of 6 mm; when the lateral thrust dowel bar is connected with the pipe wall fixing plate, the transmission shaft is mechanically fastened and connected in the hole.
The sliding fixing rod 4 is a circular tube with the outer diameter of 12mm and the wall thickness of 2mm, the saw is a cylinder with the section of 10mm, phi 6 round steel is symmetrically welded on two sides of the outer side of the cylinder, and the end parts of the round steel at two ends are respectively welded at the bottom of the tube wall fixing plate 2.
The construction process for increasing the upstream face by using the automatic head expanding device of the slope support drain pipe comprises the following steps: the mechanical expander is arranged at the tube bottom end part of the PVC drain tube, a layer of water filtering fiber net is wrapped at the tube bottom within the range of 250mm, and the water filtering fiber net is bound and fixed around the outer wall of the tube by a binding belt; thrust is applied to the bottom of the pipe outside the air during installation; the thrust makes the mechanical expander of bottom of pipe expand the pipe wall of 20cm length range of bottom of pipe to both sides and expand, and the pore wall soil body is withstood to the expanded pipe wall, and the expansion pipe wall props up the strainer together, and the maximum expansion increases the width 4cm, and pipe wall kerf reaches 1cm simultaneously, expands and increases infiltration mouth area, stabilizes the outlet conduit simultaneously.
The invention has the following beneficial effects:
1. the stability is good, and the falling is not easy; the water drain pipe is convenient and firm to install, the pipe bottom is expanded to support the hole wall through the mechanical head expanding device to form friction, and the water drain pipe is stabilized in the hole;
2. the water permeability is good; by improving the inserting pipe head of the water drain pipe, the pipe head has the function of automatically expanding at the bottom of the hole, the water seepage area at the bottom of the pipe is effectively increased, and the water drainage effect of the water drain pipe is ensured;
3. the mechanical head expanding device of the water drain pipe is fast and convenient to install, can be machined in advance before the installation procedure of the water drain pipe of the side slope engineering, and does not affect the construction period completely;
4. the construction method effectively improves the drainage capacity of the side slope, is suitable for the rock side slope or the rock mixed side slope, and can be widely applied to a water drain pipe made of PVC pipe materials as a water drain pipe project.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view (expanded state) of the present invention;
FIG. 3 is a schematic view of a mechanical expander;
FIG. 4 is a schematic view of a tube wall fixing plate;
FIG. 5 is a schematic view of a lateral thrust dowel bar;
FIG. 6 is a schematic view of a vertical force bar;
FIG. 7 is a schematic view of a sliding fixing rod;
FIG. 8 is a schematic view of a PVC downcomer head being sawn;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a bottom mount schematic view of a mechanical dilator;
FIG. 11 is a schematic view of a water-filtering fiber net wrapped at the bottom of a PVC water drain pipe;
FIG. 12 is a process flow diagram of the present invention.
In the figure: 1. vertical stress is applied; 2. a pipe wall fixing plate; 3. a lateral thrust dowel bar; 4. sliding the fixed rod; 5. a vertical force-bearing expansion plate; 6. a limit baffle; 7. a hinged transmission fixed support; 8. PVC drain pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-11, the automatic head expanding device for the slope supporting drain pipe comprises a PVC drain pipe 8 and a mechanical expander, wherein a pipe head of the PVC drain pipe 8 is sawn into four symmetrical vertical openings by an electric saw, the length of each opening is 20cm, and the distance between the openings is 4 cm; the mechanical expander comprises a pipe wall fixing plate 2, a vertical stress rod 1 and a sliding fixing rod 4 which are bilaterally symmetrical, the left end and the right end of the sliding fixing rod 4 are respectively connected with the pipe wall fixing plate 2, the pipe wall fixing plate 2 is connected with the vertical stress rod 1 through a lateral thrust dowel bar 3, and the vertical stress rod 1 penetrates through a circular pipe center hole of the sliding fixing rod 4; the upper end part of the pipe wall fixing plate 2 is provided with an outward wall hanging hook, a limit baffle 6 and a hinged transmission fixing support 7 are arranged in about two thirds of the upper end of the pipe wall fixing plate 2, and the pipe wall fixing plate 2 is fixedly connected with the pipe wall of the PVC water drain pipe 8 through the wall hanging hook by bolts; the left side and the right side of the middle upper part of the vertical stress rod 1 are both provided with a connecting rod support, and the two ends of the lateral thrust dowel bar 3 are respectively connected with the hinged transmission fixed support 7 of the pipe wall fixing plate 2 and the connecting rod support of the vertical stress rod 1 through bearings.
The vertical stress rod 1 is processed by phi 8 steel bars, and a connecting rod support is welded on the rod; the bottom end of the vertical stress rod 1 is provided with a vertical stress expansion plate 5, and the vertical stress expansion plate 5 is a disc with the diameter of 40mm and the thickness of 2 mm.
Pipe wall fixed plate 2 adopts Q235 billet processing, and the billet is thick 4mm, wide 10mm, and articulated transmission fixing support 7 adopts welded fastening, and 6 adoption welded fastening of limit baffle.
The lateral thrust dowel bar 3 is processed by adopting a steel plate with the thickness of 3mm, and bearings at two ends are welded by adopting round steel with the diameter of 6 mm; when the lateral thrust dowel bar 3 is connected with the pipe wall fixing plate 2, a transmission shaft is adopted to be mechanically fastened and connected in a hole.
The sliding fixing rod 4 is a circular tube with the outer diameter of 12mm and the wall thickness of 2mm, the saw is a cylinder with the section of 10mm, phi 6 round steel is symmetrically welded on two sides of the outer side of the cylinder, and the end parts of the round steel at two ends are respectively welded at the bottom of the tube wall fixing plate 2.
Referring to fig. 12, the construction process for increasing the upstream surface by using the automatic head expanding device of the slope supporting drain pipe comprises the following steps: the mechanical expander is arranged at the end part of the bottom of the PVC drain pipe 8, a layer of water filtering fiber net is wrapped in the range of 250mm of the bottom of the pipe, and the water filtering fiber net is bound and fixed around the outer wall of the pipe by a binding belt; thrust is applied to the bottom of the pipe outside the air during installation; the thrust makes the mechanical expander of bottom of pipe expand the pipe wall of 20cm length range of bottom of pipe to both sides and expand, and the pore wall soil body is withstood to the expanded pipe wall, and the expansion pipe wall props up the strainer together, and the maximum expansion increases the width 4cm, and pipe wall kerf reaches 1cm simultaneously, expands and increases infiltration mouth area, stabilizes the outlet conduit simultaneously and can not drop.
The invention has the following beneficial effects:
1. the stability is good, and the falling is not easy; the water drain pipe is convenient and firm to install, the pipe bottom is expanded to support the hole wall through the mechanical head expanding device to form friction, and the water drain pipe is stabilized in the hole;
2. the water permeability is good; by improving the inserting pipe head of the water drain pipe, the pipe head has the function of automatically expanding at the bottom of the hole, the water seepage area at the bottom of the pipe is effectively increased, and the water drainage effect of the water drain pipe is ensured;
3. the mechanical head expanding device of the water drain pipe is fast and convenient to install, can be machined in advance before the installation procedure of the water drain pipe of the side slope engineering, and does not affect the construction period completely;
4. the construction method effectively improves the drainage capacity of the side slope, is suitable for the rock side slope or the rock mixed side slope, and can be widely applied to a water drain pipe made of PVC pipe materials as a water drain pipe project.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic first device that expands of side slope support wash-out pipe which characterized in that: the PVC drainage pipe comprises a PVC drainage pipe (8) and a mechanical expander, wherein a pipe head of the PVC drainage pipe (8) is sawn into four symmetrical vertical openings by using an electric saw, the length of each opening is 20cm, and the distance between the openings is 4 cm; the mechanical expander comprises pipe wall fixing plates (2), vertical stress rods (1) and a sliding fixing rod (4) which are bilaterally symmetrical, the left end and the right end of the sliding fixing rod (4) are respectively connected with the pipe wall fixing plates (2), the pipe wall fixing plates (2) are connected with the vertical stress rods (1) through lateral thrust force transfer rods (3), and the vertical stress rods (1) penetrate through circular pipe center holes of the sliding fixing rods (4); the upper end part of the pipe wall fixing plate (2) is provided with an outward wall hook, the upper end of the pipe wall fixing plate (2) is provided with a limiting baffle (6) and a hinged transmission fixing support (7), and the pipe wall fixing plate (2) is fixedly connected with the pipe wall of the PVC water drain pipe (8) through the wall hook by bolts; the left side and the right side of the middle upper part of the vertical stress rod (1) are respectively provided with a connecting rod support, and the two ends of the lateral thrust dowel bar (3) are respectively connected with the hinged transmission fixed support (7) of the pipe wall fixing plate (2) and the connecting rod support of the vertical stress rod (1) through bearings.
2. The automatic head expanding device of a slope support drain pipe as claimed in claim 1, characterized in that: the vertical stress rod (1) is processed by phi 8 steel bars, and the connecting rod support is welded on the rod; the bottom end of the vertical stress rod (1) is provided with a vertical stress expansion plate (5), and the vertical stress expansion plate (5) is a disc with the diameter of 40mm and the thickness of 2 mm.
3. The automatic head expanding device of a slope support drain pipe as claimed in claim 1, characterized in that: pipe wall fixed plate (2) adopt Q235 billet processing, and the billet is thick 4mm, wide 10mm, and articulated transmission fixing support (7) adopt welded fastening, and limit baffle (6) adopt welded fastening.
4. The automatic head expanding device of a slope support drain pipe as claimed in claim 1, characterized in that: the lateral thrust dowel bar (3) is processed by adopting a steel plate with the thickness of 3mm, and bearings at two ends are welded by adopting round steel with the diameter of 6 mm; when the lateral thrust dowel bar (3) is connected with the pipe wall fixing plate (2), the transmission shaft is mechanically fastened and connected in the hole.
5. The automatic head expanding device of a slope support drain pipe as claimed in claim 1, characterized in that: the sliding fixing rod (4) is a circular tube with the outer diameter of 12mm and the wall thickness of 2mm, the saw is a cylinder with the diameter of 10mm, phi 6 round steel is symmetrically welded on two sides of the outer side of the cylinder, and the ends of the round steel at two ends are respectively welded at the bottom of the tube wall fixing plate (2).
6. The construction process for enlarging the upstream face by using the automatic head-expanding device of the side slope support drain pipe according to any one of claims 1 to 5, characterized in that: the method comprises the following steps: the mechanical expander is arranged at the tube bottom end part of the PVC drain tube, a layer of water filtering fiber net is wrapped at the tube bottom within the range of 250mm, and the water filtering fiber net is bound and fixed around the outer wall of the tube by a binding belt; thrust is applied to the bottom of the pipe outside the air during installation; the thrust makes the mechanical expander of bottom of pipe expand the pipe wall of 20cm length range of bottom of pipe to both sides and expand, and the pore wall soil body is withstood to the expanded pipe wall, and the expansion pipe wall props up the strainer together, and the maximum expansion increases the width 4cm, and pipe wall kerf reaches 1cm simultaneously, expands and increases infiltration mouth area, stabilizes the outlet conduit simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297749.2A CN111391288A (en) | 2020-04-16 | 2020-04-16 | Automatic head expanding device of slope support drain pipe and construction process for expanding upstream face of automatic head expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297749.2A CN111391288A (en) | 2020-04-16 | 2020-04-16 | Automatic head expanding device of slope support drain pipe and construction process for expanding upstream face of automatic head expanding device |
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| Publication Number | Publication Date |
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| CN111391288A true CN111391288A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010297749.2A Pending CN111391288A (en) | 2020-04-16 | 2020-04-16 | Automatic head expanding device of slope support drain pipe and construction process for expanding upstream face of automatic head expanding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323185A (en) * | 2020-10-14 | 2021-02-05 | 王世利 | Opener for textile production |
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2020
- 2020-04-16 CN CN202010297749.2A patent/CN111391288A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323185A (en) * | 2020-10-14 | 2021-02-05 | 王世利 | Opener for textile production |
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Address after: 550000 No. 1, floor 11, unit 1, building B, Taisheng international, No. 9, Airport Road, Shuanglong Airport Economic Zone, Guiyang City, Guizhou Province Applicant after: Guizhou construction engineering eighth Construction Group Co.,Ltd. Address before: 550002 No.128, Huaxi Avenue North, huaguoyuan, Guiyang, Guizhou Applicant before: NO.8 CONSTRUCTION ENGINEERING GROUP CO., LTD. OF GUIZHOU CONSTRUCTION AND ENGINEERING Group |