CN116512392A - Fixed mounting structure and method for pre-buried channel relative to duct piece mold - Google Patents
Fixed mounting structure and method for pre-buried channel relative to duct piece mold Download PDFInfo
- Publication number
- CN116512392A CN116512392A CN202310674762.9A CN202310674762A CN116512392A CN 116512392 A CN116512392 A CN 116512392A CN 202310674762 A CN202310674762 A CN 202310674762A CN 116512392 A CN116512392 A CN 116512392A
- Authority
- CN
- China
- Prior art keywords
- channel
- duct piece
- preassembled
- shaped bolt
- base groove
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000009466 transformation Effects 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
-
- 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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a fixed mounting structure and a fixed mounting method for a pre-buried channel relative to a duct piece mold, wherein the fixed mounting structure comprises a channel, a duct piece mold, a pre-mounted T-shaped bolt and a pre-mounted nut, wherein the duct piece mold is provided with a connecting hole, the channel comprises a base groove with an arc shape and a C-shaped section, and an anchor rod arranged on the back surface of the base groove, the notch side of the base groove is attached to the duct piece mold, the head part of the pre-mounted T-shaped bolt is positioned in the base groove, the tail part of the pre-mounted T-shaped bolt extends out of the base groove and passes through the connecting hole on the duct piece mold to be connected with the pre-mounted nut, and the head part of the pre-mounted T-shaped bolt is abutted against a closing part on the notch side of the base groove under the screwing action of the pre-mounted nut. The invention adopts the structure that the channel is free from opening holes, thereby avoiding the influence of concrete flowing into the channel on the subsequent installation and use, maintaining the structural strength and shearing resistance and tensile resistance of the channel, and having the advantages of convenient disassembly and assembly and low transformation cost.
Description
Technical Field
The invention relates to the technical field of shield segment prefabrication, in particular to a fixed mounting structure and method of a pre-buried channel relative to a segment mold.
Background
The shield segment pre-buried channel is a channel device pre-buried in shield segment concrete, and mainly comprises a base channel with a C-shaped section and anchor rods distributed on the back of the base channel, and is mainly used as a fixing piece in a shield segment, and devices such as strong and weak cables and contact networks in a shield tunnel are installed through matched T-shaped bolts, so that the damage and the destruction to the segment concrete caused by the installation of the devices in a mode such as expansion bolts are avoided.
The fixing mode of the pre-buried channel in the duct piece mould at present is: the utility model provides a section of jurisdiction mould is gone up the trompil and is set up a plurality of locating bolt points, places the channel on the section of jurisdiction mould, reserves the bolt hole that corresponds with the locating bolt point on the channel, uses insulating nut to carry out fixed mounting with the channel, and this kind of scheme is convenient for construction, but reserves the bolt hole on the channel and lead to the fact the destruction to channel self structure, makes its shearing resistance, pull resistance all weaken, and concrete slurry gets into inside the channel through the channel bolt hole easily, causes the channel to block up, influences the installation of follow-up T type bolt.
Disclosure of Invention
The invention aims to provide a fixed mounting structure of a pre-buried channel relative to a duct piece mold, which can solve the technical problems that the structural strength of the channel is damaged and the interior of the channel is easily blocked by concrete in the prior fixed mode of the pre-buried channel in the duct piece mold;
the invention also aims to provide a fixed mounting method of the embedded channel relative to the duct piece mold, which can solve the technical problems that the structural strength of the channel is damaged and the interior of the channel is easily blocked by concrete in the existing fixed mode of the embedded channel in the duct piece mold.
The invention provides a fixed mounting structure of a pre-buried channel relative to a duct piece mold, which provides the following technical scheme: the utility model provides a relative section of jurisdiction mould's of pre-buried channel fixed mounting structure, includes channel, section of jurisdiction mould, pre-installation T type bolt and pre-installation nut, set up the connecting hole on the section of jurisdiction mould, the channel is including wholly being arc, the cross-section is the basic tank of C type and setting up the stock at the basic tank back, the notch side of basic tank pastes with the section of jurisdiction mould mutually, and the head of pre-installation T type bolt is located basic tank inside, and pre-installation T type bolt afterbody stretches out outside the basic tank, passes connecting hole on the section of jurisdiction mould and is connected with pre-installation nut, and the head of pre-installation T type bolt offsets with the binding off part of basic tank notch side under pre-installation nut screwing up effect.
Further, the fixed mounting structure of the pre-buried channel relative to the duct piece mold further comprises a base groove filler positioned in the base groove, wherein the base groove filler is strip-shaped, and square positioning holes for the heads of the pre-mounted T-shaped bolts to extend in are formed in the base groove filler.
The invention provides a fixed mounting method of a pre-buried channel relative to a duct piece mold, which provides the following technical scheme: a fixed installation method of a pre-buried channel relative to a duct piece mold comprises the following steps:
s1: segment mold and channel transformation: carrying out pre-buried channel reconstruction on a segment mould corresponding to the blocks in each ring of the shield segment, arranging a connecting hole at the channel installation position of the inner cambered surface of the segment mould, and arranging a square positioning hole on a basic groove filler;
s2: and (3) preassembling a T-shaped bolt: firstly, inserting the head of a preassembled T-shaped bolt into a square positioning hole along the notch direction of a foundation trench, and rotating the preassembled T-shaped bolt to clamp the head of the preassembled T-shaped bolt in the foundation trench;
s3: and (3) installing a channel: placing the channel on a die by aligning the preassembled T-shaped bolt with the connecting hole, and installing and screwing the preassembled nut on the outer side of the die;
s4: and (3) duct piece pouring and manufacturing: installing a reinforcement cage, and performing concrete pouring after checking before pouring;
s5: and (3) demolding the duct piece: in the segment demolding process, the preassembled nut is screwed and disassembled, and the preassembled T-shaped bolt is taken out of the channel after the preassembled T-shaped bolt is rotated.
Further, four square positioning holes are formed in each channel in the step S2.
The beneficial effects are that: according to the invention, the mounting and matching of the die and the channel are realized by skillfully matching the channel self structure and the preassembled T-shaped bolt, so that the opening and the damage of the channel self structure are avoided, the shearing resistance and the tensile resistance of the channel are ensured, the channel is not provided with holes to obstruct the passage of the duct piece pouring concrete, the concrete slurry is not easy to enter the channel, the normal mounting of the T-shaped bolt in the subsequent contact net mounting process is ensured, and the duct piece pouring quality is improved; in addition, when the channel is installed, the preassembled T-shaped bolt is inserted into the base groove along the notch of the base groove and then clamped in by a rotating angle, then the preassembled nut is used for fastening, when the pre-assembled nut is removed during demoulding, the preassembled T-shaped bolt can be taken out after being rotated, the channel is very convenient to install and detach on a duct piece die, and the duct piece prefabricating efficiency is effectively improved; and the duct piece mold and the channel structure are low in modification cost and small in implementation difficulty, and the existing engineering duct piece mold is convenient to improve.
Drawings
Fig. 1 is a schematic view of a duct piece after demolding in a specific embodiment 1 of a fixed mounting structure of a pre-buried channel relative to a duct piece mold according to the present invention;
fig. 2 is a detailed connection schematic diagram of embodiment 1 of a fixed mounting structure of a pre-buried channel relative to a segment mold according to the present invention;
FIG. 3 is a schematic view of a cross section of a base channel of a channel in an embodiment 1 of a fixed mounting structure of a pre-buried channel relative to a segment mold according to the present invention;
reference numerals: 1-segment; 2-channels; 3-concrete; a 4-base tank; 5-preassembling T-shaped bolts; 6-preassembling a nut; 7-a mold; 8-base slot filler.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The embodiment 1 of the fixed mounting structure of the pre-buried channel relative to the duct piece mold comprises the following components:
the integral structure of the inner surface of the pipe piece after demolding is shown in fig. 1, and two grooves 2 are formed in the inner surface of the pipe piece 1. As shown in FIG. 2, the fixed mounting structure of the pre-buried channel relative to the duct piece mold comprises a channel 2, a pre-mounted T-shaped bolt 5, a pre-mounted nut 6 and a duct piece mold 7, wherein the channel 2 comprises a base groove 4 which is integrally arc-shaped and a plurality of anchor rods which are arranged on the back surface of the base groove, as shown in FIG. 3, the cross section of the base groove 4 is C-shaped and is internally filled with a base groove filler 8, the base groove filler 8 is generally a strip-shaped solid filler such as foam, and square positioning holes are formed in the base groove filler 8.
The base groove 4 is connected with the duct piece die 7 through the preassembly T-shaped bolt 5 and the preassembly nut 6, the notch side of the base groove 4 is attached to the duct piece die 7, a connecting hole is formed in the duct piece die 7, the head of the preassembly T-shaped bolt 5 is located inside a square locating hole in the base groove filler 8, the tail of the preassembly T-shaped bolt 5 extends out of the base groove 4 to penetrate through the connecting hole, the preassembly nut 6 arranged on the outer side part of the T-shaped bolt 5 extending out of the duct piece die 7 is screwed down, and the head of the preassembly T-shaped bolt 5 is tightly abutted against the closing-up part of the notch side of the base groove 4. In this embodiment, four square positioning holes are formed in each base groove 4, eight connecting holes are formed in the duct piece mold 7, and concrete 3 can be poured into the duct piece mold after the installation of the channels is completed.
Based on the fixed mounting structure of the embedded channel relative to the duct piece mold, a fixed mounting method of the embedded channel relative to the duct piece mold is provided, but the method is not limited to the fixed mounting structure of the embedded channel relative to the duct piece mold:
the fixed mounting method of the pre-buried channel relative to the duct piece mold comprises the following steps:
s1: segment mold and channel transformation: carrying out pre-buried channel reconstruction on a segment mould corresponding to the blocks in each ring of the shield segment, arranging a connecting hole at the channel installation position of the inner cambered surface of the segment mould, and arranging a square positioning hole on a basic groove filler;
s2: and (3) preassembling a T-shaped bolt: firstly, inserting the head of a preassembled T-shaped bolt into a square positioning hole along the notch direction of a foundation trench, and rotating the preassembled T-shaped bolt by 90 degrees to clamp the head of the preassembled T-shaped bolt in the foundation trench;
s3: and (3) installing a channel: placing the channel on a die by aligning the preassembled T-shaped bolt with the connecting hole, and installing and screwing the preassembled nut on the outer side of the die;
s4: and (3) duct piece pouring and manufacturing: installing a reinforcement cage, and performing concrete pouring after checking before pouring;
s5: and (3) demolding the duct piece: in the segment demolding process, screwing and disassembling the preassembled nut, rotating the preassembled T-shaped bolt by 90 degrees, and taking out the preassembled T-shaped bolt from the channel.
Based on the fixed mounting structure and the fixed mounting method of the pre-buried channel relative duct piece mold, the operation steps are simple and convenient in the process of mounting and dismounting the channel: the preassembly T-shaped bolt is rotated to be connected and fastened with the preassembly nut during installation, the preassembly nut is loosened during disassembly, and then the preassembly T-shaped bolt can be taken out from the channel after being rotated for a certain angle, so that the prefabricated pipe piece is convenient to assemble and disassemble, and the prefabricated pipe piece efficiency is improved. The structure is ingenious, need not punch on the channel, utilizes the tight fit of T type bolt and basic groove shape to realize the installation of channel, guarantees the good closure of channel, and the concrete is difficult for getting into the inside follow-up installation that influences of channel to the channel exempts from to punch the structure and does not destroy channel self structure, ensures the shearing resistance, the pull resistance of channel, is convenient for improve on current engineering section of jurisdiction mould, reforms transform with low costs, and the practicality is high.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (4)
1. The utility model provides a relative section of jurisdiction mould's of pre-buried channel fixed mounting structure, characterized by, including channel, section of jurisdiction mould, pre-installation T type bolt and pre-installation nut, set up the connecting hole on the section of jurisdiction mould, the channel is including wholly being arc, the cross-section is the basic tank of C type and setting up the stock at the basic tank back, the notch side of basic tank pastes with the section of jurisdiction mould mutually, and the head of pre-installation T type bolt is located the basic tank inside, and pre-installation T type bolt afterbody stretches out outside the basic tank, passes connecting hole on the section of jurisdiction mould and is connected with pre-installation nut, and the head of pre-installation T type bolt offsets with the binding off part of basic tank notch side under the pre-installation nut screwing up effect.
2. The fixed mounting structure of the pre-buried channel relative to the duct piece mold according to claim 1, further comprising a base groove filler positioned in the base groove, wherein the base groove filler is strip-shaped, and square positioning holes for the heads of the pre-installed T-shaped bolts to extend in are formed in the base groove filler.
3. The fixed mounting method of the pre-buried channel relative to the duct piece mold is characterized by comprising the following steps of:
s1: segment mold and channel transformation: carrying out pre-buried channel reconstruction on a segment mould corresponding to the blocks in each ring of the shield segment, arranging a connecting hole at the channel installation position of the inner cambered surface of the segment mould, and arranging a square positioning hole on a basic groove filler;
s2: and (3) preassembling a T-shaped bolt: firstly, inserting the head of a preassembled T-shaped bolt into a square positioning hole along the notch direction of a foundation trench, and rotating the preassembled T-shaped bolt to clamp the head of the preassembled T-shaped bolt in the foundation trench;
s3: and (3) installing a channel: placing the channel on a die by aligning the preassembled T-shaped bolt with the connecting hole, and installing and screwing the preassembled nut on the outer side of the die;
s4: and (3) duct piece pouring and manufacturing: installing a reinforcement cage, and performing concrete pouring after checking before pouring;
s5: and (3) demolding the duct piece: in the segment demolding process, the preassembled nut is screwed and disassembled, and the preassembled T-shaped bolt is taken out of the channel after the preassembled T-shaped bolt is rotated.
4. The method for fixedly mounting a pre-buried channel relative to a segment mold according to claim 1, wherein four square positioning holes are formed in each channel in the step S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310674762.9A CN116512392A (en) | 2023-06-07 | 2023-06-07 | Fixed mounting structure and method for pre-buried channel relative to duct piece mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310674762.9A CN116512392A (en) | 2023-06-07 | 2023-06-07 | Fixed mounting structure and method for pre-buried channel relative to duct piece mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116512392A true CN116512392A (en) | 2023-08-01 |
Family
ID=87401288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310674762.9A Pending CN116512392A (en) | 2023-06-07 | 2023-06-07 | Fixed mounting structure and method for pre-buried channel relative to duct piece mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116512392A (en) |
-
2023
- 2023-06-07 CN CN202310674762.9A patent/CN116512392A/en active Pending
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