CN214187682U - Prefabricated template for assembling portal culvert box of tunnel rail lower structure - Google Patents
Prefabricated template for assembling portal culvert box of tunnel rail lower structure Download PDFInfo
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- CN214187682U CN214187682U CN202021551449.4U CN202021551449U CN214187682U CN 214187682 U CN214187682 U CN 214187682U CN 202021551449 U CN202021551449 U CN 202021551449U CN 214187682 U CN214187682 U CN 214187682U
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Abstract
The utility model provides a prefabricated template for assembling a portal culvert box under a tunnel rail, which belongs to the technical field of assembled tunnel engineering and comprises two first side molds which are oppositely arranged and are rectangular; the two second side dies are oppositely arranged, two ends of each second side die are respectively connected with the first side dies on the two sides, and each second side die is in an inverted U shape; the bottom die is arranged in a frame defined by the first side die and the second side die, and the first side die, the second side die and the bottom die jointly define a prefabricated groove body of the door-shaped culvert; the top cover is used for sealing the prefabricated groove body; and the bottom frame is used for bearing the first side die, the second side die and the bottom die. Can be repeatedly used, and can quickly and accurately manufacture the portal culvert box.
Description
Technical Field
The utility model belongs to the technical field of assemble tunnel engineering, more specifically say, relate to a prefabricated template for assembling tunnel track lower structure door-shaped culvert case.
Background
Assemble the tunnel for locating ground upper portion and assemble the tunnel structure that the piece combination formed by prefabrication, assemble the interior bottom surface in the tunnel in tunnel, the rail that also assembles the tunnel is assembled by a plurality of prefabricated culvert casees and is formed, it is the bottom basis of rail, it is assembled the combination by a plurality of culvert casees and forms, just one of them culvert case is door-shaped culvert case, the culvert case is prefabricated product, when installing, put together a plurality of culvert cases, simultaneously in the lower part of culvert case, also be equipped with limit invert and well invert structure, the intensity of the structure under the rail has further been strengthened, but do not have one kind nowadays and can make the template of door-shaped culvert case accurately, adopt the template of interim concatenation mostly, but many times of reuse can not be accomplished to this kind of template of interim concatenation, the life-span is short, the extravagant material also.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated template for assembling tunnel rail substructure door-shaped culvert case can reuse, makes door-shaped culvert case fast accurately.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a prefabricated template for assembling tunnel rail lower structure door-shaped culvert case, includes:
the two first side dies are oppositely arranged, and the first side dies are rectangular;
the two second side dies are oppositely arranged, two ends of each second side die are respectively connected with the first side dies on two sides, and each second side die is in an inverted U shape;
the bottom die is arranged in a frame enclosed by the first side die and the second side die, and the first side die, the second side die and the bottom die jointly enclose a prefabricated groove body of the door-shaped culvert;
the top cover is used for sealing the prefabricated groove body; and
and the bottom frame is used for bearing the first side die, the second side die and the bottom die.
As another embodiment that this application provided, the die block includes the flat mould portion of the U-shaped portion of falling and bottom, the U-shaped portion of falling includes two vertical forms and a horizontal mould and connects the cab apron of crossing between vertical form and the horizontal mould, form the vertical slot that is used for prefabricating door shape culvert case landing leg between vertical form, first side mould and the flat mould.
As another embodiment provided by the present application, the underframe is a frame structure formed by splicing channel steel.
As another embodiment that this application provided, the bottom of first side form, second side form all with the chassis is articulated, be equipped with the positive back-off screw rod between first side form and second side form and the chassis, the both ends of positive back-off screw rod are articulated with template and chassis respectively.
As another embodiment that this application provided, the die block is located on the truss, the truss is located the chassis, the vertical form through the cab apron with the horizontal form is articulated.
As another embodiment that this application provided, be equipped with between vertical form and the truss and just left-hand thread screw rod, just right-hand thread screw rod both ends respectively with vertical form and truss between articulated the setting, vertical form opens and shuts with the help of just left-hand thread screw rod.
As another embodiment that this application provided, first side mould, second side mould are all made by the steel sheet, the back of steel sheet is equipped with a plurality of reinforcing plate ribs.
As another embodiment provided by the application, a hand hole template is further arranged at the top of the first side die.
As another embodiment provided herein, the hand hole template includes:
the lapping plate is connected to the top of the first side mold and arranged in a hanging manner towards the inner side of the first side mold, and a connecting hole is formed in the lapping plate;
the hand hole groove die is provided with an opening, the opening is aligned with and connected with the connecting hole, and the hand hole groove die is used for forming a hand hole on the surface of the door-shaped culvert; and
the arc-shaped rod is connected to the bottom of the hand hole groove die and communicated to the outer wall of the first side die and used for forming an arc-shaped insertion hole, and the arc-shaped insertion hole is communicated with the hand hole and the side wall of the door-shaped culvert box.
As another embodiment provided by the application, a sealing strip is arranged between the adjacent first side die and the second side die.
The utility model discloses a prefabricated template for assembling tunnel rail substructure door-shaped culvert case, beneficial effect lies in: this template can carry out used repeatedly, and intensity is big to each template is equipped with hinge structure more, and its opening and shutting is controlled by the left and right knot screw rod, and its dismouting is all very convenient, especially to the form removal after the concrete maintenance has made things convenient for the prefabrication of concrete portal culvert case greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the assembled tunnel and the under-rail structure provided by the present invention;
FIG. 2 is a schematic view of the under-track structure of FIG. 1;
FIG. 3 is a schematic structural view of a portal culvert;
fig. 4 is a schematic structural view of a prefabricated template for assembling a portal culvert under a tunnel rail according to an embodiment of the present invention;
fig. 5 is a schematic view of the inner part of fig. 4.
In the figure, 1, a first side die, 2, a second side die, 3, a bottom frame, 4, a flat die part, 5, a vertical die, 6, a horizontal die, 7, a transition plate, 8, a positive and negative buckle screw rod, 9, a truss, 10, a lap plate, 11, a hand hole groove die, 12, an arc rod, 22, an F-shaped culvert box, 23, a door-shaped culvert box, 24, a side inverted arch and 25, a middle inverted arch.
Detailed Description
The prefabricated template for assembling the portal culvert box under the tunnel rail provided by the utility model is further described with the accompanying drawings and the specific embodiments.
Referring to fig. 4 and 5, the present invention provides a prefabricated form for assembling a portal culvert under a tunnel rail, including:
the two first side dies 1 are oppositely arranged, and the first side dies 1 are rectangular;
the two second side dies 2 are oppositely arranged, two ends of each second side die 2 are respectively connected with the first side dies 1 on two sides, and each second side die 2 is in an inverted U shape;
the bottom die is arranged in a frame defined by the first side die 1 and the second side die 2, and the first side die 1, the second side die 2 and the bottom die jointly define a prefabricated groove body of the door-shaped culvert 23;
the top cover is used for sealing the prefabricated groove body; and
and the bottom frame 3 is used for bearing the first side die 1, the second side die 2 and the bottom die.
It should be noted that, referring to fig. 1 and fig. 2, the under-track structure of the tunnel includes a first layer of prefabricated F-shaped culvert 22 and a door-shaped culvert 23, wherein the F-shaped culverts 22 on both sides and the door-shaped culvert 23 in the middle are assembled together, the top surfaces of the three layers form the inner bottom surface of the tunnel for track laying, the lower surface of the culvert is also provided with a second layer, the second layer is a structure of side inverted arches 24 on both sides and a middle inverted arch 25 in the middle, and a prefabricated formwork for prefabricating the door-shaped culvert 2323 is provided.
In the present embodiment, as shown in fig. 4, the first side mold 1, the second side mold 2, and the bottom mold together define a mold cavity for casting, and the fabrication of the gate culvert 23 can be realized by casting concrete into the mold cavity, and after casting concrete, the cover plate is covered, and then the mold is removed after curing for a certain period of time.
As shown in fig. 3, the portal culvert 23 is a three-dimensional concrete block structure with a U-shaped cross-section, the first side mold 1 and the second side mold 2 are used for laterally blocking concrete, and the bottom mold is used for supporting concrete.
Further, as an embodiment of the prefabricated template that is used for assembling structure door-shaped culvert case under the tunnel rail that this embodiment provided, the die block includes flat mould portion 4 of the U-shaped portion of falling and bottom, the U-shaped portion of falling includes two vertical forms 5 and a horizontal mould 6 and connects cross cab apron 7 between vertical form 5 and the horizontal mould 6, form the vertical groove that is used for prefabricated door-shaped culvert case 23 landing leg between vertical form 5, first side mould 1 and the horizontal mould.
In this embodiment, vertical grooves for prefabricating the legs of the door-shaped culvert 23 are formed among the vertical moulds 5, the first side mould 1 and the flat moulds, the vertical grooves are blocked by the second side mould 2 from two sides to form a closed space, concrete can be poured to form the legs of the door-shaped culvert 23, and the beam part of the door-shaped culvert 23 is formed by pouring concrete in a cavity formed by the transverse mould 6 and the surrounding first side mould 1 and second side mould 2. The transition plate 7 has the function of enabling the joints of the supporting legs and the cross beams of the door-shaped culvert 23 to form inclined planes, and the strength and the stability of the integral structure are enhanced.
In addition, as shown in the figures, the portal culvert 23 needs to be connected with the F culvert 22, so that a pre-buried pipe is arranged at the vertical slot to form a prepared hole for aligning with the prepared hole of the F culvert 22 and penetrating through the pin shaft for connection.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert box under the tunnel rail provided by the embodiment, the underframe 3 is a frame structure formed by splicing channel steel.
In the present embodiment, the frame structure has good stability and high support strength.
Further, as an embodiment of the prefabricated template that is used for assembling tunnel track lower structure door-shaped culvert case that this embodiment provided, the bottom of first side form 1, second side form 2 all with chassis 3 is articulated, be equipped with positive back-off screw rod 8 between first side form 1 and second side form 2 and the chassis 3, positive back-off screw rod 8's both ends are articulated with template and chassis 3 respectively.
In this embodiment, open or close first side mould 1 and second side mould 2, all realize through positive back-off screw rod 8, can rotate forward and backward through the rotatory section of thick bamboo that is located positive back-off screw rod 8 middle part, realize the extension of positive back-off screw rod 8 or shorten to realize promoting opening or closing of first side mould 1 or second side mould 2, easy operation is convenient, has made things convenient for the form removal work after portal culvert case 23 prefabrication succeeds greatly.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert under the tunnel rail provided in this embodiment, the bottom formwork is disposed on the truss 9, the truss 9 is located on the underframe 3, and the vertical formwork 5 is hinged to the horizontal formwork 6 through the transition plate 7.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert under the tunnel rail provided in this embodiment, a positive and negative fastening screw 8 is provided between the vertical formwork 5 and the truss 9, two ends of the positive and negative fastening screw 8 are respectively hinged to the vertical formwork 5 and the truss 9, and the vertical formwork 5 is opened and closed by means of the positive and negative fastening screw 8.
In the embodiment, the vertical die 5 can be opened and closed in the form of the positive and negative buckle screw rods 8, so that the die removing process is greatly convenient.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert of the tunnel rail lower structure provided in the present embodiment, the first side formwork 1 and the second side formwork 2 are made of steel plates, and the back of each steel plate is provided with a plurality of reinforcing plate ribs.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert of the tunnel rail lower structure provided in the present embodiment, a hand hole formwork is further disposed on the top of the first side formwork 1.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert under the tunnel rail provided in this embodiment, the hand hole formwork includes:
the lapping plate 10 is connected to the top of the first side mold 1 and arranged in a suspended mode towards the inner side of the first side mold 1, and a connecting hole is formed in the lapping plate 10;
the hand hole groove die 11 is provided with an opening, the opening is aligned with and connected with the connecting hole, and the hand hole groove die 11 is used for forming a hand hole on the surface of the door-shaped culvert box 23; and
and the arc-shaped rod 12 is connected to the bottom of the hand hole groove die 11 and led to the outer wall of the first side die 1, and is used for forming an arc-shaped insertion hole which is communicated with the hand hole and the side wall of the door-shaped culvert 23.
In this embodiment, be equipped with the hand hole at door shape culvert case 23's top in advance, and adopted above-mentioned hand hole template, form at the position of hand hole slot die 11 when concreting the hand hole, and arc pole 12 department forms the arc through-hole of hand hole intercommunication door shape culvert case 23 lateral wall, the effect of hand hole is conveniently to carry out the hoist and mount connection to door shape culvert case 23, insert arc hoist and mount pole toward the arc through-hole in, then connect the hoist, can carry out fine hoist and mount, another effect of hand hole is used for the grout in addition, the thick liquids enter into the arc through-hole through the hand hole, and then enter into the space between F shape culvert case 22 and the door shape culvert case 23, play the effect of filling.
Further, as an embodiment of the prefabricated formwork for assembling the portal culvert of the tunnel rail lower structure provided by the embodiment, a sealing strip is arranged between the adjacent first side formwork 1 and the second side formwork 2. The contact gaps between the templates are sealed in the form of sealing strips, so that concrete is prevented from flowing outwards.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated template for assembling tunnel rail lower structure door-shaped culvert case which characterized in that includes:
the two first side dies are oppositely arranged, and the first side dies are rectangular;
the two second side dies are oppositely arranged, two ends of each second side die are respectively connected with the first side dies on two sides, and each second side die is in an inverted U shape;
the bottom die is arranged in a frame enclosed by the first side die and the second side die, and the first side die, the second side die and the bottom die jointly enclose a prefabricated groove body of the door-shaped culvert;
the top cover is used for sealing the prefabricated groove body; and
and the bottom frame is used for bearing the first side die, the second side die and the bottom die.
2. The prefabricated form for assembling the portal culvert under the tunnel rail of claim 1, wherein the bottom form comprises an inverted U-shaped portion and a flat form portion at the bottom, the inverted U-shaped portion comprises two vertical forms, a horizontal form and a transition plate connected between the vertical forms and the horizontal form, and vertical grooves for the legs of the prefabricated portal culvert are formed among the vertical forms, the first side forms and the flat form.
3. The prefabricated form for assembling a portal culvert for a tunnel rail substructure as claimed in claim 1, wherein said underframe is a frame structure formed by splicing channel steels.
4. The prefabricated template for assembling the portal culvert box under the tunnel rail as claimed in claim 1, wherein the bottoms of the first side die and the second side die are hinged to the underframe, positive and negative buckle screws are arranged between the first side die and the underframe, and two ends of the positive and negative buckle screws are hinged to the template and the underframe respectively.
5. The prefabricated formwork for assembling the portal culvert under the tunnel rail of claim 2, wherein the bottom formwork is arranged on a truss, the truss is arranged on the underframe, and the vertical formwork is hinged with the transverse formwork through a transition plate.
6. The prefabricated formwork for assembling the portal culvert box under the tunnel rail as claimed in claim 5, wherein a positive and negative fastening screw is arranged between the vertical formwork and the truss, two ends of the positive and negative fastening screw are respectively hinged with the vertical formwork and the truss, and the vertical formwork is opened and closed by means of the positive and negative fastening screw.
7. The prefabricated form for assembling a portal culvert under a tunnel rail of claim 5, wherein the first side form and the second side form are made of steel plates, and the back of the steel plates is provided with a plurality of reinforcing plate ribs.
8. The prefabricated form for assembling a portal culvert for under-track construction of tunnels of claim 1, wherein a hand hole form is further provided on top of the first side form.
9. The prefabricated form for assembling a tunnel under-rail structural portal culvert of claim 8, wherein the hand hole form comprises:
the lapping plate is connected to the top of the first side mold and arranged in a hanging manner towards the inner side of the first side mold, and a connecting hole is formed in the lapping plate;
the hand hole groove die is provided with an opening, the opening is aligned with and connected with the connecting hole, and the hand hole groove die is used for forming a hand hole on the surface of the door-shaped culvert; and
the arc-shaped rod is connected to the bottom of the hand hole groove die and communicated to the outer wall of the first side die and used for forming an arc-shaped insertion hole, and the arc-shaped insertion hole is communicated with the hand hole and the side wall of the door-shaped culvert box.
10. The prefabricated form for assembling a portal culvert for a structure under a tunnel rail of claim 1, wherein a sealing strip is arranged between the adjacent first side form and the second side form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551449.4U CN214187682U (en) | 2020-07-30 | 2020-07-30 | Prefabricated template for assembling portal culvert box of tunnel rail lower structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551449.4U CN214187682U (en) | 2020-07-30 | 2020-07-30 | Prefabricated template for assembling portal culvert box of tunnel rail lower structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214187682U true CN214187682U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021551449.4U Active CN214187682U (en) | 2020-07-30 | 2020-07-30 | Prefabricated template for assembling portal culvert box of tunnel rail lower structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214187682U (en) |
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2020
- 2020-07-30 CN CN202021551449.4U patent/CN214187682U/en active Active
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