CN109176840A - The mold and its casting method of tunnel square shape prefabricated components - Google Patents
The mold and its casting method of tunnel square shape prefabricated components Download PDFInfo
- Publication number
- CN109176840A CN109176840A CN201810901229.0A CN201810901229A CN109176840A CN 109176840 A CN109176840 A CN 109176840A CN 201810901229 A CN201810901229 A CN 201810901229A CN 109176840 A CN109176840 A CN 109176840A
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- China
- Prior art keywords
- end plate
- demoulding mechanism
- plate
- side plate
- driving shaft
- 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.)
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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
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
- B28B7/0044—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being only tilted away from the sidewalls of the moulded article, e.g. moulds with hingedly mounted sidewalls
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- 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
- B28B1/00—Producing shaped prefabricated articles from the material
-
- 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
- B28B7/0002—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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The present invention relates to the molds and its casting method of a kind of tunnel square shape prefabricated components; the mold includes the interior form unit of two Contraband fonts; two interior form units connect the inner template to form square shape; interior form unit includes end plate and the side plate for being rotatably connected at end plate two sides; the adjustable demoulding mechanism of bearing length is equipped between two side plates; length by adjusting the demoulding mechanism drives the side plate rotation, and then realizes demoulding.The mold further includes the exterior sheathing enclosed on the outside of inner template, and the casting space for setting square shape prefabricated components is stayed between exterior sheathing and inner template.The invention has the benefit that it is convenient for the demoulding of inner template by setting demoulding mechanism, and internal model cell stability is good, will not fall down after demoulding, it is highly-safe.
Description
Technical field
The present invention relates to technical field of tunnel construction, mold and its side of pouring of a kind of tunnel square shape prefabricated components are refered in particular to
Method.
Background technique
With the rapid development of urban infrastructure construction and the expansion of city size, the hair of tunnel structure functional diversities
Exhibition trend increasingly shows, and super-large diameter, extra long distance urban road tunnel become the needs of development.With tunnel cross-section and length
Increase, the process that internal structure is constructed after traditional first tunnel holing through has been unable to meet the requirement of construction transport and duration.
To solve this contradiction, super-large-diameter shield generally uses a kind of tunnel structure with square shape prefabricated components,
The square shape prefabricated components are synchronous with set of tunneling construction in tunnel internal installation, this not only increases construction channel but also accelerate and applies
Work progress.Therefore, the tunnel structure with square shape prefabricated components becomes the mainstay of extra-large shield-driven tunnel.
The mold of square shape prefabricated components generallys use large-scale whole punching block.In the prior art, internal model and external mold are adopted
It is enclosed with four pieces of large-scale steel forms.Since the height of internal model steel form, thickness and weight are all bigger, and square shape is pre-
Member interior space processed is very narrow, causes the demoulding of internal model very difficult, and demoulding rear stability is poor, may be used also if template is fallen down
Safety accident can occur, thus usually require laterally to draw and could be separated with molding square shape prefabricated components by truck crane,
Time-consuming and construction safety risk is larger.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide a kind of tunnel square shape prefabricated components mold and
Its casting method, the internal model that can solve square shape prefabricated components are difficult to the problem of demoulding.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of molds of tunnel square shape prefabricated components, comprising:
Form unit in form unit and second in first be oppositely arranged, in described first form unit include a first end plate and
Be rotatably connected at the first side plate of the first end plate two sides, the first end plate and the first side plate surround Contraband font so that
The first cavity is formed in described first inside form unit, form unit includes one second end plate and is rotatably coupled in described second
The second side plate in second end plate two sides, second end plate and the second side plate surround Contraband font so that second internal model
The second cavity is formed inside unit, side of second side plate far from second end plate is with corresponding first side plate far from institute
The side connection for stating first end plate, so that the first end plate, the first side plate, the second end plate and the second side plate enclose shape
At the inner template of square shape；
The first demoulding mechanism in first cavity and the second demoulding mechanism in second cavity, institute
It states the first demoulding mechanism and the equal bearing length of the second demoulding mechanism is adjustable, the two sides of first demoulding mechanism are connected to corresponding
First side plate, it is described by the length of shortening first demoulding mechanism to pull two the first side plates to move toward one another
The two sides of second demoulding mechanism are connected to corresponding second side plate, by shortening the length of second demoulding mechanism to pull
Two the second side plates move toward one another；And
The exterior sheathing being installed on the outside of the inner template is installed with the prefabricated structure of square shape between the exterior sheathing and inner template
The casting space of part.
The mold of square shape prefabricated components in tunnel of the present invention further improvement lies in that,
First demoulding mechanism includes the first transmission shaft being fixedly connected with the first end plate, first transmission shaft
Vertically arranged and surface is equipped with screw thread, and the top and bottom of first transmission shaft are corresponding to screw togather that there are two first sleeves；
First demoulding mechanism further includes four the first pull rods, and one end of first pull rod is articulated with the first set
The side of cylinder, the other end are articulated on corresponding first side plate, by rotating first transmission shaft so that two first sleeves
It moves toward one another, to drive first pull rod to rotate so that its tilt angle increases, and then realizes and shorten first demoulding
The length of mechanism；
Second demoulding mechanism includes the second driving shaft being fixedly connected with second end plate, the second driving shaft
Vertically arranged and surface is equipped with screw thread, and the top and bottom of the second driving shaft are corresponding to screw togather that there are two second sleeves；
Second demoulding mechanism further includes four the second pull rods, and one end of second pull rod is articulated with described second set
The side of cylinder, the other end are articulated on corresponding second side plate, by rotating the second driving shaft so that two second sleeves
It moves toward one another, to drive second pull rod to rotate so that its tilt angle increases, and then realizes and shorten second demoulding
The length of mechanism.
The mold of square shape prefabricated components in tunnel of the present invention further improvement lies in that,
First demoulding mechanism further includes two the first mounting bars, and first mounting bar is vertically fixedly arranged on corresponding
Far from the first end plate on side plate, first pull rod is articulated on corresponding mounting bar；
First demoulding mechanism further includes the first fixed frame for installing first transmission shaft, first fixed frame
Side be fixedly arranged on the first end plate, the other side and it is described first transmission axis connection so that first transmission shaft be located at pair
Between two the first mounting bars answered；
Second demoulding mechanism further includes two the second mounting bars, and second mounting bar is vertically fixedly arranged on corresponding
Far from second end plate on two side plates, second pull rod is articulated on corresponding mounting bar；
Second demoulding mechanism further includes the second fixed frame for installing the second driving shaft, second fixed frame
Side be fixedly arranged on second end plate, the other side is connect with the second driving shaft so that the second driving shaft be located at pair
Between two the second mounting bars answered.
The mold of square shape prefabricated components in tunnel of the present invention further improvement lies in that,
First fixed frame includes horizontally disposed and corresponding two be fixedly arranged at the top and bottom of the first end plate the
One fixed link, first fixed link offer the first mounting hole, first transmission shaft far from one end of the first end plate
Both ends be rotatably mounted in corresponding first mounting hole, so that it is solid to realize that first transmission shaft is installed on described first
Determine frame；
Second fixed frame includes horizontally disposed and corresponding two be fixedly arranged at the top and bottom of second end plate the
Two fixed links, second fixed link offer the second mounting hole, the second driving shaft far from one end of second end plate
Both ends be rotatably mounted in corresponding second mounting hole, so that it is solid to realize that the second driving shaft is installed on described second
Determine frame.
The mold of square shape prefabricated components in tunnel of the present invention further improvement lies in that, further include be placed in the inner template and
End template under exterior sheathing, the opposite two sides of the end template are formed with the recessed portion for installing shoulder pole hanger, and the bottom
Template includes the movable block for adapting to the recessed portion, by the way that the movable block is installed on the recessed portion, so that the bottom
The upper surface of template is smooth.
The present invention also provides a kind of casting methods of tunnel square shape prefabricated components, comprising:
One first end plate and two the first side plates are provided, two the first side plates are rotatably connected at the first end
The two sides of plate simultaneously form form unit in first, and the first end plate and the first side plate are surrounded Contraband font so that in described first
The first cavity is formed inside form unit；
One the second end plate and two the second side plates are provided, two the second side plates are rotatably connected at the second end
The two sides of plate simultaneously form form unit in second, and second end plate and the second side plate are surrounded Contraband font so that in described second
The second cavity is formed inside form unit；
Form unit in form unit and first in described second is oppositely arranged, and by second side plate far from described second
The side of end plate and corresponding first side plate are connected far from the side of the first end plate, so that the first end plate, the
Side plate, the second end plate and the second side plate are enclosed the inner template of square shape；
Adjustable first demoulding mechanism of bearing length and the second demoulding mechanism are provided, first demoulding mechanism is set to
In first cavity, and the length of first demoulding mechanism and the second demoulding mechanism is adjusted to maximum, described second is taken off
Mold mechanism is set in second cavity, and the length of second demoulding mechanism and the second demoulding mechanism is adjusted to maximum；
Exterior sheathing is provided, the exterior sheathing is mounted on to the outside of the inner template, and make the exterior sheathing and inner template
Between be installed with the casting spaces of square shape prefabricated components；
The casting concrete into the casting space removes the exterior sheathing after concrete setting, and described in shortening
The length of first demoulding mechanism so that two the first side plates be pulled to move toward one another, and shortens the length of second demoulding mechanism,
To pull two the second side plates to move toward one another, so that first side plate and the second side plate are separated with concrete surface, then
The inner template is removed.
The casting method of square shape prefabricated components in tunnel of the present invention further improvement lies in that, the first demoulding mechanism packet
Include first transmission shaft and four the first pull rods, by first transmission shaft it is vertically arranged and with the first end plate is fixed connects
It connects, and opens up screw thread on the surface of first transmission shaft, two first sleeves are provided, first sleeve correspondence is screwed together in
The top and bottom of first transmission shaft, and one end of first pull rod is articulated with to the side, another of the first sleeve
One end is articulated on corresponding first side plate；
The length for shortening first demoulding mechanism includes:
First transmission shaft is rotated so that two first sleeves move toward one another, so that first pull rod be driven to turn to
Inclination, and then shorten the length of first demoulding mechanism；
Second demoulding mechanism includes a second driving shaft and four the second pull rods, and the second driving shaft is vertical
It is arranged and is fixedly connected with second end plate, and open up screw thread on the surface of the second driving shaft, provides two second set
Cylinder, by the corresponding top and bottom being screwed together on the second driving shaft of the second sleeve, and by the one of second pull rod
End is articulated with the side of the second sleeve, the other end is articulated on corresponding second side plate；
The length for shortening second demoulding mechanism includes:
The second driving shaft is rotated so that two second sleeves move toward one another, so that second pull rod be driven to turn to
Inclination, and then shorten the length of second demoulding mechanism.
The casting method of square shape prefabricated components in tunnel of the present invention further improvement lies in that, first demoulding mechanism is also
Including two the first mounting bars, first mounting bar is vertically fixedly arranged on corresponding first side plate far from the first end plate
Place, and first pull rod is articulated on corresponding mounting bar；
First demoulding mechanism further includes the first fixed frame for installing first transmission shaft, fixed by described first
The side of frame is fixedly arranged on the first end plate, the other side and the first transmission axis connection, so that first transmission shaft is located at
Between corresponding two the first mounting bars；
Second demoulding mechanism further includes two the second mounting bars, second mounting bar is vertically fixedly arranged on corresponding
On second side plate at separate second end plate, and second pull rod is articulated on corresponding mounting bar；
Second demoulding mechanism further includes the second fixed frame for installing the second driving shaft, says that described second is fixed
The side of frame is fixedly arranged on second end plate, the other side is connect with the second driving shaft, so that the second driving shaft is located at
Between corresponding two the second mounting bars.
The casting method of square shape prefabricated components in tunnel of the present invention further improvement lies in that,
First fixed frame includes two the first fixed links, and first fixed link is horizontally disposed with and correspondence is fixedly arranged on
The top and bottom of the first end plate, and the first installation is opened up far from one end of the first end plate in first fixed link
The both ends of first transmission shaft are passed through first mounting hole and are rotatably mounted in first mounting hole by hole,
To realize that first transmission shaft is installed on first fixed frame；
Second fixed frame includes two the second fixed links, and second fixed link is horizontally disposed with and correspondence is fixedly arranged on
The top and bottom of second end plate, and the second installation is opened up far from one end of second end plate in second fixed link
The both ends of the second driving shaft are passed through second mounting hole and are rotatably mounted in second mounting hole by hole,
To realize that the second driving shaft is installed on second fixed frame.
The casting method of square shape prefabricated components in tunnel of the present invention further improvement lies in that, further includes:
End template is provided, form unit in described first, form unit and exterior sheathing are placed on the end template in second,
The opposite two sides of the end template form the recessed portion for installing the shoulder pole hanger, the end template further include adapt to it is described
The movable block is installed on the recessed portion before casting concrete by the movable block of recessed portion, so that the end template
Upper surface is smooth.
The invention has the advantages that being interconnected to form inner template using the interior form unit of two Contraband fonts, and every
The adjustable demoulding mechanism of bearing length is correspondingly arranged in a interior form unit, the length by shortening demoulding mechanism makes internal model
Two side plates of unit move toward one another, to realize demoulding.And the interior form unit of Contraband font has preferable stability, after demoulding
It will not fall down, it is highly-safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inner template in the present invention.
Fig. 2 is the structural schematic diagram of demoulding mechanism in the present invention.
Fig. 3 is the structural schematic diagram that part demoulding mechanism is omitted in inner template in the present invention.
Fig. 4 is the structural schematic diagram of end template in the present invention.
Fig. 5 is that inner template is set to the schematic diagram on end template in the present invention.
Fig. 6 is that exterior sheathing is set to the schematic diagram on the outside of inner template in the present invention.
Fig. 7 and Fig. 8 is the flow chart of casting method in the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to fig. 1 to Fig. 6, the present invention provides a kind of mold of tunnel square shape prefabricated components, convenient for the demoulding of internal model,
And internal model demoulding rear stability will not fall down well, and it is highly-safe, it solves internal model in the prior art and is difficult to demould and safety
The problem of difference.
The mold of square shape prefabricated components in tunnel of the present invention is illustrated with reference to the accompanying drawing.
As shown in fig. 6, the mold of square shape prefabricated components in tunnel of the present invention includes the end template 30 for being placed in ground, is placed in bottom
Inner template 10 and exterior sheathing 40 on template 30 and the demoulding mechanism 20 inside inner template 10.
As depicted in figs. 1 and 2, inner template 10 includes form unit in form unit 101 and second in first be oppositely arranged
102.Wherein, form unit 101 includes a first end plate 11 and is rotatably connected at first end plate 11 by articulation piece in first
First side plate 12 of two sides, first end plate 11 and the first side plate 12 surround Contraband font so as to be formed inside form unit 101 in first
First cavity.Form unit 102 includes one second end plate 11 ' and is rotatably connected at the second end plate by articulation piece in second
Second side plate 12 ' of 11 ' two sides, the second end plate 11 ' and the second side plate 12 ' surround Contraband font so that in second in form unit 102
Portion forms the second cavity.Side of second side plate 12 ' far from the second end plate 11 ' is with corresponding first side plate 12 far from first end plate
11 side connection, so that first end plate 11, the first side plate 12, the second end plate 11 ' and the second side plate 12 ' are enclosed
The inner template 10 of square shape.By the way that the internal model of square shape to be designed as being enclosed by the structure of two Contraband fonts, to make it
Stability more preferably, will not fall down safety accident occurs after demoulding.
Since square shape prefabricated components are placed in bottom position in tunnel when in use, bottom surface is to adapt to tunnel internal diameter
Arc surface, and the top of square shape prefabricated components then needs to form platform.Accordingly, the outer surface of first end plate 11 is circular arc
Face, the outer surface of the second end plate 11 ' are then plane, and the first side plate 12 and the second side plate 12 ' are when pouring perpendicular to the second end plate
11 ' settings.In addition, the first side plate 12 and the second side plate 12 position pin connection by opening up through-hole in junction and passing through, and the
The length of side plate 12 is greater than the length of the second side plate 12 '.By two different interior form units of setting length, thus first with
The first more cavity of occupied space carries out the dismounting work of form unit in length smaller second, then recycles and removes second
Form unit in length biggish first is removed in the space that interior form unit is reserved, and is provided in this way when removing two interior form units
Sufficient space, convenient for the progress of demoulding work.
In first in form unit 101, the inner surface of first end plate 11 and the first side plate 12 is (i.e. close to the table of the first cavity
Face) be equipped with the first ribbed stiffener, by the first ribbed stiffener promoted first in form unit 101 intensity, as shown in Figure 1, this first
Ribbed stiffener disconnects and is formed with the notch of triangle in the junction 13 of first end plate 11 and the first side plate 12, to adapt to the
The rotation of side plate 12.Similarly, in second in form unit 102, the inner surface of the second end plate 11 ' and the second side plate 12 ' (is leaned on
The surface of nearly second cavity) it is equipped with the second ribbed stiffener, the intensity of form unit 102 in second is promoted by the second ribbed stiffener, such as
Shown in Fig. 1, which disconnects in the junction 13 ' of the second end plate 11 ' and the second side plate 12 ' and is formed with triangle
Notch, to adapt to the rotation of the second side plate 12 '.
As depicted in figs. 1 and 2, demoulding mechanism 20 includes the first demoulding mechanism 201 in the first cavity and is set to the
The second demoulding mechanism 202 in two cavitys, the first demoulding mechanism 201 and the equal bearing length of the second demoulding mechanism 202 are adjustable.Its
In, the two sides of the first demoulding mechanism 201 are connected to corresponding first side plate 12, by shortening the first demoulding mechanism 201 when demoulding
Length to pull two the first side plates 12 move toward one another.Similarly, the two sides of the second demoulding mechanism 202 are connected to corresponding
Second side plate 12 ', by shortening the length of the second demoulding mechanism 202 to pull two the second side plates 12 ' fortune in opposite directions when demoulding
It is dynamic.
Specifically, the first demoulding mechanism 101 includes the first fixed frame 25 for being vertically fixedly arranged on 11 centre of first end plate, installation
In the first transmission shaft 21 on the first fixed frame 25, two first sleeves 22, vertical fixed for being sheathed on the first transmission shaft 21
In the first side plate 12 far from the first connection strap 24 and connection first sleeve 22 and first connection strap 24 at first end plate 11
Four the first pull rods 23.Wherein, as shown in Figure 1, the first transmission shaft 21 is vertically arranged and surface is equipped with screw thread, two first sleeves
The 22 corresponding top and bottom for being screwed together in the first transmission shaft 21.One end of first pull rod 23 be articulated with first sleeve 22 side,
The other end is articulated with corresponding position on corresponding first mounting bar 24, that is, each first mounting bar 24 corresponding two first
Pull rod 23 is correspondingly arranged at the top and bottom of the first mounting bar 24 by articulation piece 231.By the setting of the first mounting bar 24, no
Only make pulling force suffered by the first side plate 12 more uniform, and makes the point of application for pulling the first side plate 12 far from first end plate
11, and then reduce pulling force needed for pulling the first side plate 12, convenient for being operated to first demoulding mechanism 101.
When pouring, the first pull rod 23 is in horizontality.At this point, the length of the first demoulding mechanism 201 is maximum, i.e., the
The opening angle of form unit 101 is maximum in one, and the first side plate 12 is perpendicular to the second end plate 11 '.In demoulding, pass through rotation first
Transmission shaft 21 is so that two first sleeves 22 move toward one another, and since the junction of the first pull rod 23 and the first mounting bar 24 is not moved
It is dynamic, so that the first pull rod 23 rotates so that its tilt angle increases, and then since the first pull rod 23 tilts, so that the first mounting bar
24 and first the distance between transmission shaft 21 shorten, realize the length for shortening the first demoulding mechanism 201.Two the first side plates at this time
12 are pulled and rotated into the first cavity by the first pull rods 23, to separate with concrete surface.Preferably, the first transmission shaft 21
It is equipped with the first locating part, the moving range of two first sleeves 22 is limited by the first locating part, and then limit the first side plate
12 rotational angle.Further, the maximum angle that the first side plate 12 can be rotated into the first cavity is 20 °.
Referring to figs. 1 and 2, the first fixed frame 25 is for installing the first transmission shaft 21.First fixed frame 25 includes water
Flat two the first fixed links 251 for being set to first end plate 11, the first fixed strip 253 for being vertically arranged to first end plate 11 and
First support bar 254 of the skewed horizontal load between the first fixed strip 253 and the first fixed link 251.Wherein, the first fixed link 251
It is corresponding to be fixedly arranged on 11 top and bottom of first end plate, and one end of the first fixed link 251 is fixedly arranged on first end plate 11, the other end is opened
Equipped with the first mounting hole 252 for installing the first transmission shaft 21, the both ends of the first transmission shaft 21 are rotatably mounted by bearing
In in corresponding first mounting hole 252, the first transmission shaft 21 is installed on the first fixed frame 25 to realize, and make the first biography
Moving axis 21 is between corresponding two the first mounting bars 24.When casting concrete, the first pull rod 23 is perpendicular to the first side plate 12
Setting makes needed for pulling the first side plate 12 so that pulling the direction of pull of the first side plate 12 perpendicular to the first side plate 12
Pulling force reduces, convenient for operating to first demoulding mechanism 101.One end of first support bar 254 is fixedly arranged on the first fixed strip
The position in corresponding first fixed link 251 close to the first mounting hole 252 is fixed at 253 middle part, the other end, passes through first
Strut 254 strengthens the stability of the first fixed frame 25, and the first fixed strip 253 is then played the support of first support bar 254
Effect of the power Transmit evenly to first end plate 11.
Similarly, the second demoulding mechanism 102 includes vertically being fixedly arranged on the second intermediate fixed frame 25 ' of the second end plate 11 ', peace
Loaded on the second driving shaft 21 ' on the second fixed frame 25 ', two second sleeves 22 ', perpendicular for being sheathed on second driving shaft 21 '
It is connected to second connection strap and connection second sleeve 22 ' and second of second side plate 12 ' far from 11 ' place of the second end plate is fixedly arranged on
Four the second pull rods 23 ' of item.Wherein, as shown in Figure 1, second driving shaft 21 ' is vertically arranged and surface is equipped with screw thread, two the
The corresponding top and bottom for being screwed together in second driving shaft 21 ' of two sleeves 22 '.One end of second pull rod 23 ' is articulated with second sleeve
22 ' side, the other end are articulated with corresponding position on corresponding second mounting bar 24 ', that is, each second mounting bar 24 ' is right
Two the second pull rods 23 ' answered are correspondingly arranged at the top and bottom of the second mounting bar 24 ' by articulation piece.Pass through the second mounting bar
24 ' setting not only makes pulling force suffered by the second side plate 12 ' more uniform, and makes the point of application for pulling the second side plate 12 '
Far from the second end plate 11 ', and then reduce pulling force needed for pulling the second side plate 12 ', convenient for second demoulding mechanism 102 into
Row operation.
When pouring, the second pull rod 23 ' is in horizontality.At this point, the length of the second demoulding mechanism 202 is maximum, i.e.,
The opening angle of form unit 102 is maximum in second, and the second side plate 12 ' is perpendicular to the second end plate 11 '.In demoulding, pass through rotation
Second driving shaft 21 ' is so that two second sleeves 22 ' move toward one another, and due to the company of the second pull rod 23 ' and the second mounting bar 24 '
The place of connecing does not move so that the second pull rod 23 ' rotate so that its tilt angle increase, and then due to the second pull rod 23 ' tilt so that
The distance between second mounting bar 24 ' and second driving shaft shorten, and realize the length for shortening the second demoulding mechanism 202.At this time two
A second side plate 12 ' is pulled and rotated into the second cavity by the second pull rod 23 ', to separate with concrete surface.Preferably,
Second driving shaft 21 ' is equipped with the second locating part, and the moving range of two second sleeves 22 ' is limited by the second locating part, into
And limit the rotational angle of the second side plate 12 '.Further, the maximum angle that the second side plate 12 ' can be rotated into the second cavity
It is 20 °.
In conjunction with shown in Fig. 2 and Fig. 3, the second fixed frame 25 ' is for installing second driving shaft 21 '.Second fixed frame 25 ' includes
Two the second fixed links being horizontally placed on the second end plate 11 ', skewed horizontal load are in the ribbed stiffener of the second fixed link and first end plate
Between second support bar.Wherein, the second fixed link is corresponding is fixedly arranged on 11 ' top and bottom of the second end plate, and the second fixed link
One end be fixedly arranged on the second end plate 11 ', the other end offer for install second driving shaft 21 ' the second mounting hole, second transmission
The both ends of axis are rotatably mounted in corresponding second mounting hole by bearing, install second driving shaft 21 ' to realize
In the second fixed frame 25 ', and make second driving shaft 21 ' between corresponding two the second mounting bars 24 '.Casting concrete
When, the second pull rod 23 ' is arranged perpendicular to the second side plate 12 ', so that pulling the direction of pull of the second side plate 12 ' perpendicular to the
Two side plates 12 ' reduce pulling force needed for pulling the second side plate 12 ', convenient for operating to second demoulding mechanism 102.The
One end of two support rods is fixedly arranged on the middle part of the second fixed strip, the other end is fixed in corresponding second fixed link close to the second peace
The position for filling hole, the stability of the second fixed frame 25 ' is strengthened by second support bar, and the second fixed strip is then played second
The support force Transmit evenly of support rod gives the effect of the second end plate 11 '.
As shown in Figure 4 and Figure 5, the shape of end template 30 is consistent with the cross sectional shape of square shape prefabricated components, and end template
30 bottom is equipped with the support frame 33 of groined type, and inner template is placed on the support frame 33 and outer surface of inner template and end template 30
Inner surface fitting, exterior sheathing is placed on support frame 33 and the inner surface of exterior sheathing is bonded with the outer surface of end template 30.Bottom
The opposite two sides of template 30 are formed with the recessed portion 31 for installing shoulder pole hanger, and end template 30 further includes adapting to recessed portion 31
Movable block 32, by the way that movable block 32 is installed on recessed portion 31, so that when casting concrete, the upper surface of end template 30 is flat
It is whole.Preferably, a side length of the recessed portion 31 on the inside of end template is less than its side length on the outside of end template, it is corresponding
Ground, movable block 32 is trapezoidal shape structure, since square shape prefabricated components are located on end template 30 after the completion of pouring, movable block 32
It can not be taken out from top, thus recessed portion 31 and movable block 32 are designed into stepped cross structure, so as to can be from side after the completion of pouring
Movable block 32 is taken out in face.After movable block 32 takes out, the bottom bar of shoulder pole hanger may pass through corresponding recessed portion 31 and be placed in a mouthful word
Under shape prefabricated components, and then convenient for utilizing the shoulder pole hanger handling prefabricated components.
As shown in fig. 6, exterior sheathing 40 is made of four steel form enclosings, mouth is formed between exterior sheathing 40 and inner template 10
The casting space 90 of font prefabricated components, and the top of inner template 10 is equipped with the connecting rod 14 for connecting with exterior sheathing 40, this is outer
Template 40 and connecting rod 14 are existing technology, and this will not be repeated here.
The casting method of square shape prefabricated components in tunnel of the present invention is illustrated with reference to the accompanying drawing.
As shown in fig. 7, the casting method of square shape prefabricated components in tunnel of the present invention includes:
Execute step S1: as shown in figure 4, installation bed die version 30, specifically includes:
Support frame 33 and movable block 32 are provided, support frame 33 is fixed on to the bed die of end template 30, and movable block 32 is pacified
Recess loaded on end template 30 makes the surfacing of end template 30.
Then step S2 is executed: as shown in figure 5, by the installation of inner template 10 to end template 30, and in the outside of inner template 10
Assembling reinforcement.As shown in figure 8, step S2 is further included steps of
Execute step S21: form unit in form unit and second in installation first specifically includes:
As shown in Figure 1 to Figure 3, a first end plate 11 and two the first side plates 12 are provided, two the first side plates 12 are led to
It crosses articulation piece to be rotatably connected at the two sides of first end plate 11 and form form unit 101 in first, and by 11 He of first end plate
First side plate 12 surrounds Contraband font so as to form the first cavity in first inside form unit 101；
One the second end plate 11 ' and two the second side plates 12 ' are provided, two the second side plates 12 ' can be turned by articulation piece
It is connected to the two sides of the second end plate 11 ' dynamicly and forms form unit 102 in second, and by the second end plate 11 ' and the second side plate 12 '
Contraband font is surrounded so as to form the second cavity in second inside form unit 102.
Then it executes step S2: the first demoulding mechanism being installed on form unit in first, the second demoulding mechanism is installed on
Form unit in second, specifically includes:
As shown in Fig. 2, provide adjustable first demoulding mechanism 101 of bearing length, the first demoulding mechanism 101 includes one the
One transmission shaft 21, the first fixed frame 25 for installing the first transmission shaft, it is vertical it is fixed with the first side plate far from first end plate at
First mounting bar 24 and four the first pull rods 23 for connecting the first mounting bar and the first transmission shaft.
Wherein, as shown in figure 3, the first fixed frame 25 includes two the first fixed links 251, the first fixed link 251 is horizontal
It is arranged and corresponds to the top and bottom for being fixedly arranged on first end plate 11, and in first one end of fixed link 251 far from first end plate 11
The first mounting hole 252 is opened up, the both ends of the first transmission shaft 21 are passed through into the first mounting hole 252 and is rotatably mounted in the first peace
It fills in hole 252, and makes the first transmission shaft 21 between corresponding two the first mounting bars 24；
As shown in Fig. 2, opening up screw thread on the surface of the first transmission shaft 21, two first sleeves 22 are provided, by first sleeve
The 22 corresponding top and bottom for being screwed together in the first transmission shaft 21, and one end of the first pull rod 23 is articulated with the one of first sleeve 22
Side, the other end are articulated on corresponding first mounting bar 24；
As shown in Fig. 2, provide adjustable second demoulding mechanism 102 of bearing length, the second demoulding mechanism 102 includes one the
Two transmission shafts 21 ', the second fixed frame 25 ' for installing second driving shaft, it is vertical it is fixed with the second side plate far from the second end plate at
The second mounting bar 24 ' and connect the second mounting bar and second driving shaft four the second pull rods 23 '.
Wherein, as shown in figure 3, the second fixed frame 25 ' includes two the second fixed links, by the second fixed link it is horizontally disposed and
The corresponding top and bottom for being fixedly arranged on the second end plate 11 ', and second is opened up far from one end of the second end plate 11 ' in the second fixed link
The both ends of second driving shaft 21 ' are passed through and the second mounting hole and are rotatably mounted in the second mounting hole by mounting hole, and make the
Two transmission shafts 21 ' are between corresponding two the first mounting bars 24 '；
As shown in Fig. 2, the surface in second driving shaft 21 ' opens up screw thread, two second sleeves 22 ' are provided, by second set
The corresponding top and bottom for being screwed together in second driving shaft 21 ' of cylinder 22 ', and one end of the second pull rod 23 ' is articulated with second sleeve
22 ' side, the other end are articulated on corresponding second mounting bar 24 '.
Then step S23 is executed: by the length adjustment of the first demoulding mechanism to maximum, by the length tune of the second demoulding mechanism
Section is specifically included to maximum:
As shown in Fig. 2, the first transmission shaft 21 of rotation is so that two first sleeves 22 are located at the upper of the first transmission shaft 21
End and lower end, so that the first pull rod 23 be driven to rotate up to it perpendicular to the first side plate 12；
Rotation second driving shaft 21 ' is so that two second sleeves 22 ' are located at the upper end of second driving shaft 21 ' under
End, so that the second pull rod 23 ' be driven to rotate up to it perpendicular to the second side plate 12 '.
Then it executes step S24: form unit in first being installed to end template, is specifically included:
As shown in figure 5, the outer surface of form unit 101 in first to be affixed on to the medial surface of end template 30.
Then it executes step S25: form unit in second is installed to end template, and by form unit and the second internal model in first
Unit connection, specifically includes:
As shown in figure 5, the outer surface of form unit 102 in second is affixed on the medial surface of end template 30, and pass through positioning pin
The through-hole for being opened in form unit junction in form unit and second in first in advance connects the two.
Then it executes step S3: exterior sheathing being installed to end template, and exterior sheathing is connect with inner template, is specifically included:
As shown in fig. 6, exterior sheathing 40 includes four steel forms, four steel forms are enclosed in the outside of inner template 10, and
Inner template 10 is connect with exterior sheathing 40 by the connecting rod 14 at the top of inner template 10, and make inner template 10 and exterior sheathing 40 it
Between be installed with the casting spaces 90 of square shape prefabricated components.
Then it executes step S4: building operation platform, and the casting concrete into casting space on the top of exterior sheathing.
Then step S5 is executed: after concrete setting, successively Demolition Construction platform, exterior sheathing and inner template, wherein tear open
Except inner template specifically includes:
In conjunction with shown in Fig. 2 and Fig. 5, first remove length lesser second in form unit 102: rotation second driving shaft 21 ' with
Two second sleeves 22 ' are moved toward one another, so that the second pull rod 23 ' be driven to turn to inclination, and then shorten the second demoulding mechanism
202 length drives two the second side plates 12 ' to move toward one another, separates the second side plate 12 ' with concrete surface, then along vertical
It directly pulls the second end plate 11 ' to separate it also with concrete surface in the direction of the second end plate 11 ', then passes through suspender for second
Interior form unit 102 is hung；
Then remove form unit 101 in length biggish first: the first transmission shaft 21 of rotation is so that two first sleeves 22
It moves toward one another, so that the first pull rod 23 be driven to turn to inclination, and then shortens the length of the first demoulding mechanism 201, drive two
First side plate 12 moves toward one another, and separates the first side plate 12 with concrete surface, then along the direction perpendicular to first end plate 11
It pulls first end plate 11 to separate it also with concrete surface, is then hung form unit 101 in first by suspender.
Then it executes step S5: removing the movable block of end template, and shoulder pole hanger is installed, specifically include:
In conjunction with shown in Fig. 4 and Fig. 5, movable block 32 is taken out from the side of end template, and the bottom bar of shoulder pole hanger is passed through
Corresponding recessed portion 31, is placed in bottom bar under square shape prefabricated components, and remaining structure of shoulder pole hanger is connect with bottom bar,
Convenient for the later use shoulder pole hanger handling prefabricated components.
The mold of square shape prefabricated components in tunnel of the present invention and its having the beneficial effect that for casting method
The present invention is interconnected to form inner template using the interior form unit of two Contraband fonts, and right in each interior form unit
One adjustable demoulding mechanism of bearing length should be set, and the length by shortening demoulding mechanism makes two side plates of interior form unit
It moves toward one another, to realize demoulding.And the interior form unit of Contraband font has preferable stability, will not fall down after demoulding, safety
Property it is high.
And the two interior form units different by setting length, to come first with the first more cavity of occupied space
The dismounting work of form unit in length smaller second is carried out, the space dismounting for removing that form unit is reserved in second is then recycled
Form unit in length biggish first is provided with sufficient space when removing two interior form units in this way, works convenient for demoulding
Progress.
In addition, convenient for the installation of shoulder pole hanger bottom bar, and then being facilitated by the way that recessed portion and movable block are arranged on bed die
The handling of later use shoulder pole hanger counterpart font prefabricated components works.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of mold of tunnel square shape prefabricated components characterized by comprising
Form unit in form unit and second in first be oppositely arranged, form unit includes a first end plate and can turn in described first
It is connected to the first side plate of the first end plate two sides dynamicly, the first end plate and the first side plate surround Contraband font so that described
The first cavity is formed in first inside form unit, form unit includes one second end plate and is rotatably connected at institute in described second
State the second side plate of the second end plate two sides, second end plate and the second side plate surround Contraband font so that form unit in described second
Inside forms the second cavity, and side of second side plate far from second end plate and corresponding first side plate are far from described the
The side of end plate connects, so that the first end plate, the first side plate, the second end plate and the second side plate are enclosed mouth
The inner template of font；
The first demoulding mechanism in first cavity and the second demoulding mechanism in second cavity, described
One demoulding mechanism and the equal bearing length of the second demoulding mechanism are adjustable, and the two sides of first demoulding mechanism are connected to corresponding described
First side plate, by the length of shortening first demoulding mechanism to pull two the first side plates to move toward one another, described second
The two sides of demoulding mechanism are connected to corresponding second side plate, pull two by shortening the length of second demoulding mechanism
Second side plate moves toward one another；And
The exterior sheathing being installed on the outside of the inner template is installed with square shape prefabricated components between the exterior sheathing and inner template
Casting space.
2. the mold of square shape prefabricated components in tunnel as described in claim 1, which is characterized in that
First demoulding mechanism includes the first transmission shaft being fixedly connected with the first end plate, and first transmission shaft is vertical
Setting and surface are equipped with screw thread, and the top and bottom of first transmission shaft are corresponding to screw togather that there are two first sleeves；
First demoulding mechanism further includes four the first pull rods, and one end of first pull rod is articulated with the first sleeve
Side, the other end are articulated on corresponding first side plate, by rotating first transmission shaft so that two first sleeves are opposite
Movement, to drive first pull rod to rotate so that its tilt angle increases, and then realizes and shorten first demoulding mechanism
Length；
Second demoulding mechanism includes the second driving shaft being fixedly connected with second end plate, and the second driving shaft is vertical
Setting and surface are equipped with screw thread, and the top and bottom of the second driving shaft are corresponding to screw togather that there are two second sleeves；
Second demoulding mechanism further includes four the second pull rods, and one end of second pull rod is articulated with the second sleeve
Side, the other end are articulated on corresponding second side plate, by rotating the second driving shaft so that two second sleeves are opposite
Movement, to drive second pull rod to rotate so that its tilt angle increases, and then realizes and shorten second demoulding mechanism
Length.
3. the mold of square shape prefabricated components in tunnel as claimed in claim 2, which is characterized in that
First demoulding mechanism further includes two the first mounting bars, and first mounting bar is vertically fixedly arranged on corresponding first side
Far from the first end plate on plate, first pull rod is articulated on corresponding mounting bar；
First demoulding mechanism further includes the first fixed frame for installing first transmission shaft, and the one of first fixed frame
Side is fixedly arranged on the first end plate, the other side and the first transmission axis connection, so that first transmission shaft is positioned at corresponding
Between two the first mounting bars；
Second demoulding mechanism further includes two the second mounting bars, and second mounting bar is vertically fixedly arranged on corresponding second side
Far from second end plate on plate, second pull rod is articulated on corresponding mounting bar；
Second demoulding mechanism further includes the second fixed frame for installing the second driving shaft, and the one of second fixed frame
Side is fixedly arranged on second end plate, the other side is connect with the second driving shaft, so that the second driving shaft is positioned at corresponding
Between two the second mounting bars.
4. the mold of square shape prefabricated components in tunnel as claimed in claim 3, which is characterized in that
First fixed frame includes that horizontally disposed and corresponding two first be fixedly arranged at the top and bottom of the first end plate are solid
Fixed pole, first fixed link offer the first mounting hole far from one end of the first end plate, and the two of first transmission shaft
End is rotatably mounted in corresponding first mounting hole, so that it is fixed to realize that first transmission shaft is installed on described first
Frame；
Second fixed frame includes that horizontally disposed and corresponding two second be fixedly arranged at the top and bottom of second end plate are solid
Fixed pole, second fixed link offer the second mounting hole far from one end of second end plate, and the two of the second driving shaft
End is rotatably mounted in corresponding second mounting hole, so that it is fixed to realize that the second driving shaft is installed on described second
Frame.
5. the mold of square shape prefabricated components in tunnel as described in claim 1, which is characterized in that further include being placed in the internal model
End template under plate and exterior sheathing, the opposite two sides of the end template are formed with the recessed portion for installing shoulder pole hanger, and institute
Stating end template includes the movable block for adapting to the recessed portion, by the way that the movable block is installed on the recessed portion, so that institute
The upper surface for stating end template is smooth.
6. a kind of casting method of tunnel square shape prefabricated components characterized by comprising
One first end plate and two the first side plates are provided, two the first side plates are rotatably connected at the first end plate
Two sides simultaneously form form unit in first, and the first end plate and the first side plate are surrounded Contraband font so that the first internal model list
The first cavity of first internal formation；
One the second end plate and two the second side plates are provided, two the second side plates are rotatably connected at second end plate
Two sides simultaneously form form unit in second, and second end plate and the second side plate are surrounded Contraband font so that the second internal model list
The second cavity of first internal formation；
Form unit in form unit and first in described second is oppositely arranged, and by second side plate far from second end plate
Side and corresponding first side plate connected far from the side of the first end plate so that the first end plate, the first side
Plate, the second end plate and the second side plate are enclosed the inner template of square shape；
Adjustable first demoulding mechanism of bearing length and the second demoulding mechanism are provided, first demoulding mechanism is set to described
In first cavity, and the length of first demoulding mechanism and the second demoulding mechanism is adjusted to maximum, by second ingot stripper
Structure is set in second cavity, and the length of second demoulding mechanism and the second demoulding mechanism is adjusted to maximum；
Exterior sheathing is provided, the exterior sheathing is mounted on to the outside of the inner template, and make between the exterior sheathing and inner template
It is installed with the casting space of square shape prefabricated components；
The casting concrete into the casting space removes the exterior sheathing after concrete setting, and shortens described first
The length of demoulding mechanism so that two the first side plates be pulled to move toward one another, and shortens the length of second demoulding mechanism, thus
Two the second side plates are pulled to move toward one another, so that first side plate and the second side plate are separated with concrete surface, then by institute
State inner template dismounting.
7. the casting method of square shape prefabricated components in tunnel as claimed in claim 6, which is characterized in that first ingot stripper
Structure includes first transmission shaft and four the first pull rods, first transmission shaft is vertically arranged and consolidate with the first end plate
Fixed connection, and screw thread is opened up on the surface of first transmission shaft, two first sleeves are provided, the first sleeve is corresponded into spiral shell
The one of the first sleeve is articulated with together in the top and bottom of first transmission shaft, and by one end of first pull rod
Side, the other end are articulated on corresponding first side plate；
The length for shortening first demoulding mechanism includes:
First transmission shaft is rotated so that two first sleeves move toward one another, and is inclined so that first pull rod be driven to turn to
Tiltedly, and then shorten the length of first demoulding mechanism；
Second demoulding mechanism includes a second driving shaft and four the second pull rods, and the second driving shaft is vertically arranged
And be fixedly connected with second end plate, and open up screw thread on the surface of the second driving shaft, two second sleeves are provided, it will
The corresponding top and bottom being screwed together on the second driving shaft of the second sleeve, and one end of second pull rod is hinged
It is articulated on corresponding second side plate in the side of the second sleeve, the other end；
The length for shortening second demoulding mechanism includes:
The second driving shaft is rotated so that two second sleeves move toward one another, and is inclined so that second pull rod be driven to turn to
Tiltedly, and then shorten the length of second demoulding mechanism.
8. the casting method of square shape prefabricated components in tunnel as claimed in claim 7, which is characterized in that first ingot stripper
Structure further includes two the first mounting bars, and first mounting bar is vertically fixedly arranged on corresponding first side plate far from described first
At end plate, and first pull rod is articulated on corresponding mounting bar；
First demoulding mechanism further includes the first fixed frame for installing first transmission shaft, by first fixed frame
Side is fixedly arranged on the first end plate, the other side and the first transmission axis connection, corresponds to so that first transmission shaft is located at
Two the first mounting bars between；
Second demoulding mechanism further includes two the second mounting bars, and second mounting bar is vertically fixedly arranged on corresponding second
On side plate at separate second end plate, and second pull rod is articulated on corresponding mounting bar；
Second demoulding mechanism further includes the second fixed frame for installing the second driving shaft, says second fixed frame
Side is fixedly arranged on second end plate, the other side is connect with the second driving shaft, corresponds to so that the second driving shaft is located at
Two the second mounting bars between.
9. the casting method of square shape prefabricated components in tunnel as claimed in claim 8, which is characterized in that
First fixed frame includes two the first fixed links, by first fixed link it is horizontally disposed and it is corresponding be fixedly arranged on it is described
The top and bottom of first end plate, and the first mounting hole is opened up far from one end of the first end plate in first fixed link,
The both ends of first transmission shaft are passed through into first mounting hole and are rotatably mounted in first mounting hole, thus
Realize that first transmission shaft is installed on first fixed frame；
Second fixed frame includes two the second fixed links, by second fixed link it is horizontally disposed and it is corresponding be fixedly arranged on it is described
The top and bottom of second end plate, and the second mounting hole is opened up far from one end of second end plate in second fixed link,
The both ends of the second driving shaft are passed through into second mounting hole and are rotatably mounted in second mounting hole, thus
Realize that the second driving shaft is installed on second fixed frame.
10. the casting method of square shape prefabricated components in tunnel as claimed in claim 6, which is characterized in that further include:
End template is provided, form unit in described first, form unit and exterior sheathing are placed on the end template in second, described
The opposite two sides of end template form the recessed portion for installing the shoulder pole hanger, and the end template further includes adapting to the recess
The movable block is installed on the recessed portion before casting concrete by the movable block in portion, so that the upper table of the end template
Face is smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901229.0A CN109176840A (en) | 2018-08-09 | 2018-08-09 | The mold and its casting method of tunnel square shape prefabricated components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901229.0A CN109176840A (en) | 2018-08-09 | 2018-08-09 | The mold and its casting method of tunnel square shape prefabricated components |
Publications (1)
| Publication Number | Publication Date |
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| CN109176840A true CN109176840A (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810901229.0A Pending CN109176840A (en) | 2018-08-09 | 2018-08-09 | The mold and its casting method of tunnel square shape prefabricated components |
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| CN (1) | CN109176840A (en) |
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| CN112962961A (en) * | 2021-02-05 | 2021-06-15 | 绍兴市城投建筑工业化制造有限公司 | Inner template for hollow upright post |
| CN114953114A (en) * | 2021-02-19 | 2022-08-30 | 广东博智林机器人有限公司 | Pouring mold and conveying system with same |
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