CN107461554B - Composite plastic film precast concrete pipeline, special preparation mold and preparation method thereof - Google Patents
Composite plastic film precast concrete pipeline, special preparation mold and preparation method thereof Download PDFInfo
- Publication number
- CN107461554B CN107461554B CN201710631732.4A CN201710631732A CN107461554B CN 107461554 B CN107461554 B CN 107461554B CN 201710631732 A CN201710631732 A CN 201710631732A CN 107461554 B CN107461554 B CN 107461554B
- Authority
- CN
- China
- Prior art keywords
- mold
- plastic film
- die
- precast concrete
- composite plastic
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/76—Moulds
- B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention provides a composite plastic film precast concrete pipeline, which comprises a waterproof outer layer, a woven framework layer and a concrete main body layer which are sequentially arranged from outside to inside, wherein a plurality of outer extending convex blocks protruding inwards are arranged on the inner wall of the waterproof outer layer, the woven framework layer is embedded into the concrete main body layer, a plurality of tensioning reserved through holes are further arranged in the concrete main body layer, and mounting grooves are further formed on the inner wall of the concrete main body layer close to openings at two ends of the composite plastic film precast concrete pipeline.
Description
Technical Field
The invention relates to the technical field of pipelines for underground cable laying, in particular to a composite plastic film precast concrete pipeline, a special preparation mold and a preparation method thereof.
Background
After the existing cable trench or pipeline is buried underground, the waterproof performance is poor, and after years of use, the problem that external underground water permeates or leaks into the pipeline exists.
Disclosure of Invention
It is necessary to provide a composite plastic film precast concrete pipeline with good waterproof performance.
It is necessary to provide a special mould for preparing composite plastic film precast concrete pipelines.
It is necessary to provide a preparation method of the composite plastic film precast concrete pipeline.
The utility model provides a compound plastic film precast concrete pipeline, includes waterproof skin, braiding skeleton layer, the concrete main part layer that sets gradually from outside to inside, sets up a plurality of protruding outer protruding lugs that extend to inside on waterproof skin's inner wall, the outer lug that extends to the inside of concrete main part layer, braiding skeleton layer is the skeleton net of horizontal and vertical braiding formation, braiding skeleton layer embedding is to the inside of concrete main part layer, still sets up a plurality of tensioning reservation through-holes in the inside of concrete main part layer, the tensioning reservation through-hole sets up along the length direction of compound plastic film precast concrete pipeline, still sets up the mounting groove on the inner wall of concrete main part layer near compound plastic film precast concrete pipeline both ends opening part, the mounting groove is the recess that extends to the concrete main part in situ inside, and the degree of depth of mounting groove is greater than the tensioning reservation through-hole and cuts apart into two sections with tensioning reservation through-hole through the mounting groove apart into the thickness of concrete main part layer inner wall.
Preferably, the woven framework layer is a steel reinforcement framework layer formed by transverse and vertical weaving, and the waterproof outer layer is a rubber layer or a plastic layer.
The utility model provides a preparation compound plastic film precast concrete pipeline's mould, includes base, top cap, external mold and centre form, and the base sets up subaerial, and external mold and centre form the cavity that prepares compound plastic film precast concrete pipeline along vertical direction setting on the base between external mold and the centre form, and the top cap lid closes the top at external mold and centre form, the centre form includes closed vertical inner formword and a plurality of mounting groove forming die, and the outer wall of vertical inner formword is used for forming compound plastic film precast concrete pipeline's inner wall, and the mounting groove forms the lateral wall of the vertical inner formword that one end of mould was worn out near both ends open-ended, and the one end of mounting groove forming die stretches into the inside that forms the cavity that prepares compound plastic film precast concrete pipeline, and the other end of mounting groove forming die can dismantle with the inner wall of centre form and be connected, still offers the through-hole that is used for connecting rod or screw rod to pass at the one end of mounting groove forming die, and the outer wall of vertical outer formword is used for forming compound plastic film precast concrete pipeline's outer wall.
Preferably, the vertical inner formworks of centre form include fixed vertical inner formworks and movable vertical inner formworks, can dismantle between fixed vertical inner formworks and the movable vertical inner formworks and be connected, still fixed vibrating motor that sets up on the inner wall of fixed vertical inner formworks of centre form, still set up horizontal strengthening rib on the inner wall of fixed vertical inner formworks of centre form set up a plurality of breach on the horizontal strengthening rib, set up the stand on the horizontal strengthening rib that is close to the breach, the centre form is still including dismantling auxiliary fixtures, and the length of dismantling auxiliary fixtures is adjustable, and dismantle auxiliary fixtures's both ends are hung on two relative stands to apply the shrinkage force on the relative vertical inner formworks of centre form.
Preferably, dismantle auxiliary fixtures includes internal thread pipe, first external screw rod, second external screw rod, spanner pole, and the one end of first external screw rod sets up the locating hole with the one end screw-thread fit of internal thread pipe, and the other end of first external screw rod, the one end of second external screw rod and the other end screw-thread fit of internal thread pipe, and the external screw thread screw direction of first external screw rod and second external screw rod is opposite, and the internal thread of internal thread pipe also includes the internal thread of both ends reverse rotation, and the other end of second external screw rod sets up the locating hole, the spanner pole passes the intermediate position of internal thread pipe to rotate the internal thread pipe through pressing the spanner pole.
Preferably, the base comprises a plurality of support legs and a bottom plate horizontally arranged above the support legs, the bottom plate is a hollow annular plate, an inner limiting annular boss for positioning the inner die and an outer limiting annular boss for positioning the outer die are arranged on the upper surface of the bottom plate, the inner limiting annular boss is close to the inner wall of the bottom plate, the outer limiting annular boss is close to the outer wall of the bottom plate, a plurality of tensioning limiting bosses are further arranged on the bottom plate, and the tensioning limiting bosses are arranged between the inner limiting annular boss and the outer limiting annular boss.
Preferably, the top cover comprises a conical top cover, an annular horizontal top cover, an annular material blocking vertical plate and connecting ribs, wherein the annular horizontal top cover surrounds the periphery of the conical top cover, the annular channel is formed by separating materials from flowing down between the outer edge of the conical top cover and the inner edge of the annular horizontal top cover, the connecting ribs are connected between the conical top cover and the annular horizontal top cover, and the annular material blocking vertical plate is vertically arranged on the upper surface and used for blocking the materials from overflowing outwards.
Preferably, the base is detachably connected with the outer die and the inner die by adopting a connecting piece, the top cover is detachably connected with the outer die and the inner die by adopting a connecting piece, the left half side outer die and the right half side outer die are detachably connected by adopting a connecting piece, the connecting piece comprises a positioning column, a linear connecting rod and an inner buckle elbow, two ends of the linear connecting rod are respectively connected with one end of the positioning column and one end of the inner buckle elbow, the other end of the positioning column is perpendicular to the linear connecting rod, the inner buckle elbow is a circular ring provided with an opening, the radial surface of the circular ring of the inner buckle elbow is not on the same plane with the axial lead of the linear connecting rod, and the axial lead of the circular ring is perpendicular to the axial different surface of the positioning column.
A method for preparing a composite plastic film precast concrete pipeline by using the die comprises the following steps:
placing the base on the ground, placing a left half side outer die of the outer die on the base, and keeping the left half side outer die limited by an outer limiting annular boss on the base, wherein the outer die comprises a left half side outer die and a right half side outer die;
placing the inner die on the base along the opening of the left half side outer die, and keeping the inner die limited by the inner limiting annular boss on the base;
the waterproof outer layer of the composite plastic film precast concrete pipeline is tightly attached to the inner surface of the outer mold and is placed in a cavity between the outer mold and the inner mold, wherein the waterproof outer layer is a waterproof outer layer formed by prefabrication;
placing a woven framework layer forming the composite plastic film precast concrete pipeline on a base between an inner mold and an outer mold, and keeping the woven framework layer from contacting the outer mold and the inner mold;
after a plastic pipe forming a tensioning reserved through hole of the composite plastic film precast concrete pipeline passes through a mounting groove of the inner mold to form a through hole of the mold, the plastic pipe is placed on a base between the inner mold and the outer mold, and the plastic pipe is kept limited by the base;
covering the top cover at the top openings of the outer die and the inner die, and keeping the plastic pipe penetrating out of the top cover;
pouring concrete into a cavity between the waterproof outer layer and the inner mold, and cooling and molding;
wherein, the composite plastic film precast concrete pipeline is the composite plastic film precast concrete pipeline.
The composite plastic film precast concrete pipeline comprises a waterproof outer layer, a woven framework layer and a concrete main body layer, wherein the waterproof outer layer plays a good role in waterproof, water leakage or water seepage is avoided, and the waterproof outer layer is provided with an outer layer extending lug, so that peeling and layering between the waterproof outer layer and the concrete main body layer are avoided.
The mold comprises a base, a top cover, an outer mold and an inner mold, wherein a cavity for forming a composite plastic film precast concrete pipeline is arranged between the outer mold and the inner mold, and the composite plastic film precast concrete pipeline can be formed by placing a prefabricated waterproof outer layer in the cavity and pouring concrete.
The composite plastic film precast concrete pipeline is the composite plastic film precast concrete pipeline.
Drawings
Fig. 1 is a schematic structural view of a composite plastic film precast concrete pipeline.
Fig. 2 is a cross-sectional view of a composite plastic film precast concrete pipe.
Fig. 3 is an enlarged view of a portion of fig. 2.
Fig. 4 is a schematic diagram of another embodiment of fig. 3.
Fig. 5 is a schematic structural diagram of a special mold for preparing a composite plastic film precast concrete pipeline.
Fig. 6 is a schematic view of the partial cross-section of the interior of fig. 5.
Fig. 7 is a schematic structural view of the base.
Fig. 8 is a schematic structural view of the top cover.
Fig. 9 is a schematic structural view of the inner mold.
Fig. 10 is a top view of the inner mold.
Fig. 11 is an exploded view of the inner mold.
Fig. 12 is a partial enlarged view of fig. 11.
Fig. 13 is a schematic view of the internal structure of the inner mold.
Fig. 14 is a schematic structural view of the disassembly auxiliary tool.
Fig. 15 is a schematic structural view of the mounting groove forming die.
Fig. 16 is a schematic structural view of the connector.
Fig. 17 is a schematic view of another angle configuration of the connector.
Fig. 18 is a schematic view of the fitting of the connector shown in fig. 5.
In the figure: the composite plastic film precast concrete pipeline 100, the waterproof outer layer 11, the outer layer extending convex blocks 111, the woven framework layer 12, the concrete main body layer 13, the tensioning reserved through holes 131, the mounting groove 132, the deposition sinking groove 133, the die 200, the base 21, the inner limit annular boss 211, the outer limit annular boss 212, the tensioning limit boss 213, the top cover 31, the conical top cover 311, the annular horizontal top cover 312, the annular blocking vertical plate 313, the connecting ribs 314, the annular channel 315, the outer die 41, the inner die 51, the fixed vertical inner die plate 52, the fixed plate 521, the notch 522, the upright post 523, the movable vertical inner die plate 53, the mounting groove forming die 54, the arc die 541, the connecting rod 542, the dismounting auxiliary tool 55, the inner threaded pipe 551, the first outer threaded rod 552, the second outer threaded rod 553, the wrench rod 554, the connecting piece 61, the positioning column 611, the linear connecting rod 612 and the inner buckle elbow 613.
Description of the embodiments
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 to 4, the embodiment of the invention provides a composite plastic film precast concrete pipeline 100, which comprises a waterproof outer layer 11, a woven framework layer 12 and a concrete main body layer 13 which are sequentially arranged from outside to inside, wherein a plurality of outer extending convex blocks 111 which are protruded inwards are arranged on the inner wall of the waterproof outer layer 11, the outer extending convex blocks 111 extend to the inner part of the concrete main body layer 13, the woven framework layer 12 is a framework net formed by weaving transversely and vertically, the woven framework layer 12 is embedded into the inner part of the concrete main body layer 13, a plurality of tensioning reserved through holes 131 are further arranged in the concrete main body layer 13, the tensioning reserved through holes 131 are arranged along the length direction of the composite plastic film precast concrete pipeline 100, mounting grooves 132 are further formed in the inner wall of the concrete main body layer 13 close to openings at two ends of the composite plastic film precast concrete pipeline 100, the mounting grooves 132 are grooves which extend towards the inner part of the concrete main body layer 13, and the depth of the mounting grooves 132 is larger than the thickness of the reserved through holes 131 from the inner wall of the concrete main body layer 13 so that the tensioning through the mounting grooves 132 are reserved through the mounting grooves 131 into two sections.
When the composite plastic film precast concrete pipeline 100 is installed, front and rear ports of two adjacent composite plastic film precast concrete pipelines 100 are aligned, tensioning reserved through holes 131 of the corresponding two pipelines are also aligned, one connecting rod or screw rod sequentially penetrates into the tensioning reserved through holes 131 of the two adjacent pipelines, the two adjacent pipelines can be relatively fixed, in addition, the fixing mode is two, firstly, one longer connecting rod 542 can be selected to penetrate into the two pipelines along the tensioning reserved through holes 131 of the two pipelines, the two pipelines are connected, secondly, a shorter screw rod can also be selected to penetrate into the tensioning reserved through holes 131 of the adjacent two pipelines close to the ports, the end heads of the screw rod are exposed from the mounting groove 132, then nuts are used for screwing, and at the moment, the mounting groove 132 not only can be used as a convenient operation groove for fastening the screw rod, but also can save the use amount of the longer connecting rod and reduce the cost.
Further, a deposition sink 133 is also provided on the outer wall of the waterproof outer layer 11 near the openings at both ends of the composite plastic film precast concrete pipe 100. The two adjacent pipelines are connected by adopting hot melting, a heat shrinkage belt is placed in a deposition groove 133 of the two adjacent pipelines, and the deposition groove 133 is arranged to enable the melted deposition material to be flush with the surface of the waterproof outer layer 11, so that no protrusion or unevenness exists.
Further, the woven framework layer 12 is a steel reinforcement framework layer formed by transverse and vertical weaving, and the waterproof outer layer 11 is a rubber layer or a plastic layer. The rubber layer or the plastic layer has good corrosion resistance, no water leakage and no water seepage, and the plastic particles are regenerated, so that the environment is protected and the environment is protected.
The outer extension bumps 111 are cylindrical with a tapered diameter as shown in fig. 4 to increase the surface area of the cylinder ends. The outer layer extension protrusions 111 function to increase the adhesion between the waterproof outer layer 11 and the concrete body layer 13.
Referring to fig. 5 to 13, the present invention also proposes a mold 200 for preparing the composite plastic film precast concrete pipe 100, comprising a base 21, a top cover 31, an outer mold 41 and an inner mold 51, wherein the base 21 is disposed on the ground, the outer mold 41 and the inner mold 51 are disposed on the base 21 in a vertical direction, a cavity for preparing the composite plastic film precast concrete pipe 100 is formed between the outer mold 41 and the inner mold 51, the top cover 31 is covered on top of the outer mold 41 and the inner mold 51, the inner mold 51 comprises a closed vertical inner mold plate and a plurality of installation groove forming molds 54, the outer wall of the vertical inner mold plate is used for forming the inner wall of the composite plastic film precast concrete pipe 100, one end of the installation groove forming mold 54 penetrates out of the side wall of the vertical inner mold plate close to the openings at both ends, and one end of the installation groove forming mold 54 is detachably connected with the inner wall of the inner mold 51, a through hole for passing through a connecting rod or a screw is further opened at one end of the installation groove forming mold 54, the outer mold 41 comprises a closed vertical outer mold 41 plate, and the inner wall of the vertical inner mold 41 plate is used for forming the outer wall of the composite plastic film precast concrete pipe 100.
Referring to fig. 15, further, the mounting groove forming mold 54 includes an arc-shaped die 541 and a connecting rod 542, a through hole for the connecting rod or screw to pass through is formed in the arc-shaped die 541, a fixing plate 521 is further disposed on the inner wall of the inner mold 51, one end of the connecting rod 542 is fixedly connected with the arc-shaped die 541, and the other end of the connecting rod 542 passes through the fixing plate 521 and is in threaded connection with the fixing plate 521. The mounting groove forming mold 54 is detachably connected with the inner mold 51, so that the mounting groove forming mold is convenient to mount and dismount, is universal in preparation of composite plastic film precast concrete pipelines 100 with different specification requirements, has higher universality, and can be realized by replacing the mounting groove forming mold 54 when the diameters of connecting rods or screws for connection are inconsistent, for example, the shapes and the sizes of the mounting grooves 132 of different pipelines are different.
Further, the vertical inner formworks of the inner mold 51 comprise a fixed vertical inner formworks 52 and a movable vertical inner formworks 53, the fixed vertical inner formworks 52 and the movable vertical inner formworks 53 are detachably connected, a vibrating motor is fixedly arranged on the inner wall of the fixed vertical inner formworks 52 of the inner mold 51, transverse reinforcing ribs are arranged on the inner wall of the fixed vertical inner formworks 52 of the inner mold 51, a plurality of gaps 522 are formed in the transverse reinforcing ribs, stand columns 523 are arranged on the transverse reinforcing ribs close to the gaps 522, the inner mold 51 further comprises a disassembly auxiliary tool 55, the length of the disassembly auxiliary tool 55 is adjustable, and two ends of the disassembly auxiliary tool 55 are hung on the two opposite stand columns 523 so as to apply shrinkage force on the opposite vertical inner formworks of the inner mold 51. After the concrete is poured into the pipeline, the composite plastic film precast concrete pipeline 100 is formed, when the mould 200 is disassembled, the outer mould 41 is disassembled firstly, then the inner mould 51 is disassembled, and the outer wall of the inner mould 51 and the composite plastic film precast concrete pipeline 100 are difficult to separate due to the adhesive force of the concrete, so that the relative vertical inner mould plate of the inner mould 51 is pulled by the shrinkage pulling force of the disassembly auxiliary tool 55 to generate tiny deformation, so that gaps are generated between the vertical inner mould plate and the inner wall of the pipeline, and the vertical inner mould plate and the inner mould plate are separated.
Referring to fig. 14, further, the disassembly auxiliary tool 55 includes an internal thread pipe 551, a first external thread rod 552, a second external thread rod 553, a wrench rod 554, one end of the first external thread rod 552 is screw-fitted with one end of the internal thread pipe 551, the other end of the first external thread rod 552 is provided with a positioning hole, one end of the second external thread rod 553 is screw-fitted with the other end of the internal thread pipe 551, the external thread screw directions of the first external thread rod 552 and the second external thread rod 553 are opposite, the internal thread of the internal thread pipe 551 also includes internal threads with opposite rotation ends, the other end of the second external thread rod 553 is provided with a positioning hole, and the wrench rod 554 passes through the middle position of the internal thread pipe 551 to rotate the internal thread pipe 551 by pressing the wrench rod 554. When the internal mold is used, the positioning hole of the first external screw is hung on one upright 523, the positioning hole of the second external screw is hung on the other upright 523, the internal threaded pipe 551 is rotated by pressing the spanner rod 554, and the first external threaded rod 552 and the second external threaded rod 553 are pulled to be close to each other by the rotating internal threaded pipe 551, so that the opposite vertical internal mold plate of the internal mold 51 is pulled to generate micro deformation.
The outer mold 41 comprises a left half outer mold and a right half outer mold, and the left half outer mold and the right half outer mold are detachably connected.
Referring to fig. 7, further, the base 21 includes a plurality of legs and a bottom plate horizontally arranged above the legs, the bottom plate is a hollow annular plate, an inner limit annular boss 211 for positioning the inner die 51 and an outer limit annular boss 212 for positioning the outer die 41 are arranged on the upper surface of the bottom plate, the inner limit annular boss 211 is close to the inner wall of the bottom plate, the outer limit annular boss 212 is close to the outer wall of the bottom plate, a plurality of tensioning limit bosses 213 are further arranged on the bottom plate, and the tensioning limit bosses 213 are arranged between the inner limit annular boss 211 and the outer limit annular boss 212. The tensioning limit boss 213 is used to fix a connecting rod or screw.
Referring to fig. 8, further, the top cover 31 includes a conical top cover 311, an annular horizontal top cover 312, an annular blocking vertical plate 313, and a connecting rib 314, the annular horizontal top cover 312 surrounds the conical top cover 311, an annular channel 315 is formed between the outer edge of the conical top cover 311 and the inner edge of the annular horizontal top cover 312, the connecting rib 314 is connected between the conical top cover 311 and the annular horizontal top cover 312, and the annular blocking vertical plate 313 is vertically disposed on the upper surface for blocking the material from overflowing outwards.
Further, a top through hole for the connecting rod or the screw rod to pass through is further formed at the outer edge of the conical cover top 311, and the top through hole is opposite to the tensioning limit boss 213 vertically.
Referring to fig. 16 to 18, further, the base 21 is detachably connected with the outer mold 41 and the inner mold 51 by using a connecting piece 61, the top cover 31 is detachably connected with the outer mold 41 and the inner mold 51 by using a connecting piece 61, the left half outer mold 41 and the right half outer mold 41 are detachably connected by using a connecting piece 61, the connecting piece 61 comprises a positioning column 611, a linear connecting rod 612 and an inner buckling elbow 613, two ends of the linear connecting rod 612 are respectively connected with one end of the positioning column 611 and one end of the inner buckling elbow 613, the other end of the positioning column 611 is perpendicular to the linear connecting rod 612, the inner buckling elbow 613 is a ring provided with an opening, the radial surface of the ring of the inner buckling elbow 613 is not on the same plane with the axial lead of the linear connecting rod 612, and the axial lead of the ring is perpendicular to the axial lead of the positioning column 611. The radial surface of the ring is the plane where the radius or diameter of the ring is located, and the axial lead of the ring is a straight line which passes through the center of the ring and is perpendicular to the radial surface.
Further, the opening of the inside clasp elbow 613 is disposed adjacent to the positioning post 611.
When the connecting piece 61 is used for connection, the positioning column 611 is inserted into the through hole reserved by the connected component, then the inner buckle elbow 613 is rotated, the edge of the connected component is inserted into the circular ring along the opening until the inner edge of the circular ring is close to the edge of the connected component, and the circular ring is installed in place, and at the moment, the circular ring opening is clamped on two side walls of the edge of the connected component, so that the fixing effect is achieved. The connecting piece 61 is different from the screw connection, and the installation and the disassembly of the rocker arm threaded connection are convenient and quick.
The invention also provides a method for preparing the composite plastic film precast concrete pipeline by using the die, which comprises the following steps:
placing the base 21 on the ground, placing a left half side outer die of the outer die 41 on the base 21, and keeping the left half side outer die limited by an outer limiting annular boss 212 on the base 21, wherein the outer die 41 comprises a left half side outer die and a right half side outer die;
placing the inner mold 51 on the base 21 along the opening of the left half side outer mold, and keeping the inner mold 51 limited by the inner limiting annular boss 211 on the base 21;
placing the waterproof outer layer 11 forming the composite plastic film precast concrete pipeline 100 in the cavity between the outer die 41 and the inner die 51 by clinging to the inner surface of the outer die 41, wherein the waterproof outer layer 11 is the waterproof outer layer 11 formed by prefabrication;
placing the woven framework layer 12 forming the composite plastic film precast concrete pipeline 100 on the base 21 between the inner mold 51 and the outer mold 41, and keeping the woven framework layer 12 from contacting the outer mold 41 and the inner mold 51;
after passing the plastic pipe forming the tensioning reserved through hole 131 of the composite plastic film precast concrete pipeline 100 through the mounting groove of the inner mold 51 to form the through hole of the mold 54, placing the plastic pipe on the base 21 between the inner mold 51 and the outer mold 41, and keeping the plastic pipe limited by the base 21;
covering the top cover 31 on the top openings of the outer die 41 and the inner die 51, and keeping the plastic pipe penetrating out of the top cover 31;
pouring concrete into the cavity between the waterproof outer layer 11 and the inner mold 51, and cooling and molding;
the composite plastic film precast concrete pipe 100 is the composite plastic film precast concrete pipe 100.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (6)
1. A method for preparing a composite plastic film precast concrete pipeline by using a die is characterized by comprising the following steps of: the mold comprises a base, a top cover, an outer mold and an inner mold, wherein the base is arranged on the ground, the outer mold and the inner mold are arranged on the base along the vertical direction, a cavity for preparing a composite plastic film precast concrete pipeline is formed between the outer mold and the inner mold, the top cover covers the tops of the outer mold and the inner mold, the inner mold comprises a closed vertical inner mold plate and a plurality of mounting groove forming molds, the outer wall of the vertical inner mold plate is used for forming the inner wall of the composite plastic film precast concrete pipeline, one end of the mounting groove forming mold penetrates out of the side wall of the vertical inner mold plate close to the openings at the two ends, one end of the mounting groove forming mold extends into the interior of the cavity for preparing the composite plastic film precast concrete pipeline, the other end of the mounting groove forming mold is detachably connected with the inner wall of the inner mold, a through hole for a connecting rod or a screw rod to penetrate is formed at one end of the mounting groove forming mold, the inner wall of the vertical outer mold comprises a closed vertical outer mold plate, and the outer wall of the vertical outer mold plate is used for forming the outer wall of the composite plastic film precast concrete pipeline, wherein the outer mold comprises a left half outer mold and a right half outer mold; the method comprises the following steps:
placing the base on the ground, placing the left half side outer die of the outer die on the base, keeping the left half side outer die limited by an outer limiting annular boss on the base, placing the inner die on the base along the opening of the left half side outer die, and keeping the inner die limited by an inner limiting annular boss on the base;
the waterproof outer layer of the composite plastic film precast concrete pipeline is tightly attached to the inner surface of the outer mold and is placed in a cavity between the outer mold and the inner mold, wherein the waterproof outer layer is a waterproof outer layer formed by prefabrication;
placing a woven framework layer forming the composite plastic film precast concrete pipeline on a base between an inner mold and an outer mold, and keeping the woven framework layer from contacting the outer mold and the inner mold;
after a plastic pipe forming a tensioning reserved through hole of a composite plastic film precast concrete pipeline passes through a mounting groove of an inner mold to form a through hole of a mold, placing the plastic pipe on a base between the inner mold and an outer mold, and keeping the plastic pipe limited by the base;
covering the top cover at the top openings of the outer die and the inner die, and keeping the plastic pipe penetrating out of the top cover;
pouring concrete into a cavity between the waterproof outer layer and the inner mold, and cooling and molding;
the composite plastic film precast concrete pipeline comprises a waterproof outer layer, a woven framework layer and a concrete main body layer which are sequentially arranged from outside to inside, wherein a plurality of protruding outer extending convex blocks are arranged on the inner wall of the waterproof outer layer, the outer extending convex blocks extend to the inner part of the concrete main body layer, the woven framework layer is a framework net formed by transversely and vertically weaving, the woven framework layer is embedded into the inner part of the concrete main body layer, a plurality of tensioning reserved through holes are further formed in the inner part of the concrete main body layer, the tensioning reserved through holes are arranged along the length direction of the composite plastic film precast concrete pipeline, mounting grooves are further formed in the inner wall of the concrete main body layer close to openings at two ends of the composite plastic film precast concrete pipeline, the mounting grooves are grooves extending towards the inner part of the concrete main body layer, and the depth of each mounting groove is larger than the thickness of the tensioning reserved through holes from the inner wall of the concrete main body layer so that the tensioning reserved through holes are divided into two sections through the mounting grooves.
2. The method for preparing the composite plastic film precast concrete pipeline by using the die as claimed in claim 1, wherein the method comprises the following steps of: the vertical inner formworks of centre form include fixed vertical inner formworks and movable vertical inner formworks, can dismantle between fixed vertical inner formworks and the movable vertical inner formworks and be connected, still fixed vibrating motor that sets up on the inner wall of fixed vertical inner formworks of centre form, still set up horizontal strengthening rib on the inner wall of fixed vertical inner formworks of centre form set up a plurality of breach on the horizontal strengthening rib, set up the stand on the horizontal strengthening rib that is close to the breach, the centre form is still including dismantling auxiliary fixtures, and dismantle auxiliary fixtures's length is adjustable, dismantle auxiliary fixtures's both ends and hang on two relative stands to apply the shrinkage force on the relative vertical inner formworks of centre form.
3. The method for preparing the composite plastic film precast concrete pipeline by using the die as claimed in claim 1, wherein the method comprises the following steps of: dismantle auxiliary fixtures includes internal thread pipe, first external screw rod, second external screw rod, spanner pole, and the one end of first external screw rod sets up the locating hole with the one end screw-thread fit of internal thread pipe, and the one end of second external screw rod and the other end screw-thread fit of internal thread pipe, and the external screw thread screw direction of first external screw rod and second external screw rod is opposite, and the internal screw thread of internal thread pipe also includes the internal thread of both ends reverse rotation, and the other end of second external screw rod sets up the locating hole, the spanner pole passes the intermediate position of internal thread pipe to rotate the internal thread pipe through pressing the spanner pole.
4. The method for preparing the composite plastic film precast concrete pipeline by using the die as claimed in claim 1, wherein the method comprises the following steps of: the base includes the bottom plate that a plurality of stabilizer blades and stabilizer blade top level set up, and the bottom plate is hollow annular plate, sets up the interior spacing annular boss that is used for the location centre form at the upper surface of bottom plate, is used for the outer spacing annular boss of location external mold, and the inner wall setting that the interior spacing annular boss is close to the bottom plate, the outer wall setting that the outer spacing annular boss is close to the bottom plate still sets up a plurality of tensioning spacing bosss on the bottom plate, and a plurality of tensioning spacing bosss set up between spacing annular boss and outer spacing annular boss including.
5. The method for preparing the composite plastic film precast concrete pipeline by using the die as claimed in claim 1, wherein the method comprises the following steps of: the top cover comprises a conical cover top, an annular horizontal cover top, an annular material blocking vertical plate and connecting ribs, wherein the annular horizontal cover top surrounds the periphery of the conical cover top, an annular channel for separating materials from flowing down is arranged between the outer edge of the conical cover top and the inner edge of the annular horizontal cover top, the connecting ribs are connected between the conical cover top and the annular horizontal cover top, and the annular material blocking vertical plate is vertically arranged on the upper surface and used for blocking the materials from overflowing outwards.
6. The method for preparing the composite plastic film precast concrete pipeline by using the die as claimed in claim 1, wherein the method comprises the following steps of: the base is detachably connected with the outer die and the inner die through connecting pieces, the top cover is detachably connected with the outer die and the inner die through connecting pieces, the left half side outer die and the right half side outer die are detachably connected through connecting pieces, the connecting pieces comprise positioning columns, linear connecting rods and inner buckling elbows, two ends of each linear connecting rod are respectively connected with one ends of the positioning columns and one ends of the inner buckling elbows, the other ends of the positioning columns are perpendicular to the linear connecting rods, the inner buckling elbows are circular rings with openings, the radial faces of the circular rings of the inner buckling elbows are not on the same plane with the axial lead of the linear connecting rods, and the axial lead of the circular rings is perpendicular to the axial lead of the positioning columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710631732.4A CN107461554B (en) | 2017-07-28 | 2017-07-28 | Composite plastic film precast concrete pipeline, special preparation mold and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710631732.4A CN107461554B (en) | 2017-07-28 | 2017-07-28 | Composite plastic film precast concrete pipeline, special preparation mold and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461554A CN107461554A (en) | 2017-12-12 |
| CN107461554B true CN107461554B (en) | 2023-06-09 |
Family
ID=60547930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710631732.4A Active CN107461554B (en) | 2017-07-28 | 2017-07-28 | Composite plastic film precast concrete pipeline, special preparation mold and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461554B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742716B (en) * | 2019-01-28 | 2024-05-14 | 宁夏三林管业有限公司 | Composite pipe, pipeline system, die and manufacturing method using same |
| CN114012888B (en) * | 2021-11-08 | 2022-09-09 | 西南交通大学 | Tunnel model with flexible joint and mould thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5755982A (en) * | 1994-11-07 | 1998-05-26 | Strickland Industries, Inc. | Concrete casting system |
| KR20010027821A (en) * | 1999-09-16 | 2001-04-06 | 한재명 | Precast concrete box |
| CN100564804C (en) * | 2005-03-25 | 2009-12-02 | 衡水长江预应力有限公司 | Super-section centripetal-stress resistance to deformation culvert pipe and preparation technology thereof |
| DE102013006206A1 (en) * | 2013-04-04 | 2014-10-09 | Salzgitter Mannesmann Line Pipe Gmbh | Plastic coated steel pipe |
| CN204491660U (en) * | 2015-01-08 | 2015-07-22 | 张楸长 | Two-sided to the adjustable underground pipe gallery of Prestressing structure |
| CN106247030A (en) * | 2016-08-15 | 2016-12-21 | 中国石油大学(北京) | A kind of novel Land petroleum delivery combined tube |
| CN206048468U (en) * | 2016-08-31 | 2017-03-29 | 山东天马新型建材有限公司 | A kind of horizontal piping lane mould |
| CN206988597U (en) * | 2017-07-28 | 2018-02-09 | 宁夏大林科技有限公司 | Compound plastic film precast concrete pipeline and its special prepare mould |
-
2017
- 2017-07-28 CN CN201710631732.4A patent/CN107461554B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107461554A (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107461554B (en) | Composite plastic film precast concrete pipeline, special preparation mold and preparation method thereof | |
| CN107618096B (en) | Composite pipeline production mould | |
| RU132828U1 (en) | WELL OF CABLE SEWERAGE | |
| CN215631660U (en) | Mould hanging tool of aluminum alloy template supporting system | |
| CN103486349A (en) | Nodular cast iron jacking pipe and producing method thereof | |
| CN206988597U (en) | Compound plastic film precast concrete pipeline and its special prepare mould | |
| CN200940346Y (en) | Support mould for pipeline mounting and filling holes | |
| CN107576574B (en) | Testing method for equal-size limit water pressure resistance of deformation joint embedded water stop | |
| CN110118015B (en) | Method for opening hole on concrete floor and embedding sleeve | |
| KR20160045470A (en) | a constructing method of pipe hanger supporter and pipe hanger supporter thereof | |
| CN205348777U (en) | Bridge beam supports base stone preformed hole special mould | |
| KR100944873B1 (en) | Manufacturing method of grounding stone made from concrete | |
| CN110939207A (en) | Embedded nut piece, preparation method thereof and concrete member containing embedded nut hole | |
| CN219887555U (en) | Pre-buried sleeve prevents roughening shutoff pipeline mould | |
| KR200371890Y1 (en) | assembly method manhole and production machine therefore | |
| CN211368515U (en) | Guardrail structure and guardrail stand fashioned mould | |
| KR100943942B1 (en) | A sealing socket assembly | |
| KR100677709B1 (en) | Producing machine for assembly method manhole | |
| CN219491238U (en) | Well lid protection reinforced structure | |
| CN112832289B (en) | Anti-floating device for electric power communication combined pipeline and construction method of electric power communication combined pipeline | |
| CN218468429U (en) | Pipeline embedding device for aluminum mould water and electricity installation process | |
| CN220954644U (en) | Water heating reserved hole construction device | |
| CN109910164B (en) | Device and method for prefabricating model well wall pipe sheet ring for small-sized analog simulation test | |
| JP2005273363A (en) | Apparatus and construction method for forming core hole for supporting column | |
| CN217128964U (en) | Concrete floor conical barrel mould convenient to ann tears location open |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |