CN114161550B - Prefabricated small box girder integral walking type template system - Google Patents

Prefabricated small box girder integral walking type template system Download PDF

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Publication number
CN114161550B
CN114161550B CN202111275828.4A CN202111275828A CN114161550B CN 114161550 B CN114161550 B CN 114161550B CN 202111275828 A CN202111275828 A CN 202111275828A CN 114161550 B CN114161550 B CN 114161550B
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China
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inner mold
box girder
small box
cylinder group
hydraulic cylinder
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CN114161550A (en
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赵立财
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China Railway 19th Bureau Group Co Ltd
Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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China Railway 19th Bureau Group Co Ltd
Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0029Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0035Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
    • B28B7/0041Moulds 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 moved only parallelly away from the sidewalls of the moulded article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to a prefabricated small box girder integral walking type template system, which comprises two groups of side molds, wherein the two groups of side molds are oppositely arranged and used for forming the side surfaces of a girder body; the number of the supporting devices is two, and the two supporting devices are correspondingly arranged below the two side dies; the two sets of strutting arrangement all includes the locomotive, be provided with translation system and jacking system on the locomotive, jacking system's one end with the side form is connected, the other end with translation system connects, translation system installs on the locomotive, and change jacking system and the horizontal distance of roof beam body, this system can make after the pouring of every section prefabricated little case roof beam accomplish need not assemble again after dismantling the side form, has substantially improved work efficiency to the setting of locomotive can make the side form remove with holistic form all the time, and the side form can directly use holistic steel sheet.

Description

Prefabricated small box girder integral walking type template system
Technical Field
The disclosure relates to the technical field of constructional engineering, in particular to a prefabricated small box girder integral walking type template system.
Background
The prefabricated box girder is a bent component which is prefabricated in advance by tensioning prestressed steel bars through a pretensioning method or a post-tensioning method, and then is transported to a construction site for installation.
At present, when pouring precast box girders, the side dies are supported and fixed through the foundation, the whole side dies are required to be disassembled to the next pouring position for re-assembling after the pouring work of one section precast box girders is finished, the whole process is very complicated, and meanwhile, a lot of time is wasted, so that the working efficiency of the whole project is reduced, the assembling work of the side dies at each time is required to realign the side dies at the same side, otherwise, the phenomenon that the precast box girders after pouring are uneven in surface and need to be additionally repaired and leveled easily occurs, the work types are repeatedly converted, the repeated assembling and the dismantling of the side dies are not only caused to be low in working efficiency, but also the labor intensity of workers is greatly increased.
Disclosure of Invention
In order to solve the technical problems that when a precast box girder is poured, a side mould needs to be split and assembled for many times, alignment is needed when the precast box girder is assembled, the work type is repeatedly converted, the work efficiency of the whole engineering is low, and the labor intensity of workers is greatly increased, the disclosure provides a precast small box girder whole walking type template system.
The invention provides a prefabricated small box girder integral running type template system, which comprises two groups of side templates, wherein the two groups of side templates are oppositely arranged and used for forming the side surfaces of a girder body;
the number of the supporting devices is two, and the two supporting devices are correspondingly arranged below the two side dies; the two groups of supporting devices comprise a moving vehicle, a translation system and a jacking system are arranged on the moving vehicle, one end of the jacking system is connected with the side die, the other end of the jacking system is connected with the translation system, and the translation system is arranged on the moving vehicle and changes the horizontal distance between the jacking system and the beam body.
Optionally, the mobile vehicle includes wheels and motors, the number of the wheels is plural, the plural wheels are disposed on the mobile vehicle, the number of the motors is two, the two sets of motors are disposed on the mobile vehicle along opposite angles, and the wheels disposed at opposite angles are driven respectively.
Optionally, the side form includes laminating subassembly and side form support frame, laminating subassembly and the side laminating of the roof beam body, the side form support frame is installed on the jacking system, the side form support frame sets up the one side of the roof beam body is kept away from to the laminating subassembly, and laminating support the laminating subassembly.
Optionally, the device further comprises a pull rod mechanism, wherein the pull rod mechanism comprises an upper pull rod assembly and a lower pull rod assembly, two ends of the upper pull rod assembly are respectively connected with the upper ends of the side die supporting frames on two sides, and two ends of the lower pull rod assembly are respectively connected with the lower ends of the side die supporting frames on two sides.
Optionally, the steel plate girder comprises a pedestal bottom die, wherein the pedestal bottom die is used for bearing the girder body and is used as a bottom die of the girder body, a duct for the lower pull rod assembly to pass through is formed in the pedestal bottom die, and a reserved sleeve is arranged in the duct.
Optionally, the laminating subassembly includes first laminating portion and second laminating portion, first laminating portion laminating sets up on the lateral mould support frame is towards the lateral wall of the roof beam body, second laminating portion includes first right angle plate, second right angle plate and coupling assembling, the second right angle plate sets up the tip of first laminating portion, one of them plane of first right angle plate with one of them plane laminating of second right angle plate sets up, another plane of first right angle plate is vertical upwards to extend, and exceeds first laminating portion, coupling assembling will first right angle plate with second right angle plate is connected fixedly.
Optionally, the jacking system includes a first hydraulic cylinder group, one end of the first hydraulic cylinder group with the side form support frame is connected, the other end with the translation system is connected, the axis of the first hydraulic cylinder group forms the contained angle with the horizontal plane, the contained angle is greater than 0 degree to be less than 180 degrees.
Optionally, the translation system includes a second hydraulic cylinder group, one end of the second hydraulic cylinder group is connected with the jacking system, the other end is arranged on the mobile vehicle, and the axis of the second hydraulic cylinder group is parallel to the horizontal plane and perpendicular to the axis of the beam body.
Optionally, the side form support frame comprises a foot support, wherein the foot support is connected with the side form support frame and is used for supporting the side form support frame.
Optionally, still include centre form and end mould, two sets of the side form symmetry sets up the both sides of centre form, the quantity of end mould has two sets of, two sets of the end mould sets up the both ends of centre form and will the centre form with the side mould is connected, the centre form is articulated by two centre form framves to form, two the symmetry is provided with two sets of centre form strutting arrangement between the centre form frame, centre form strutting arrangement includes link assembly and locking subassembly, link assembly is multistage articulated link structure to both ends set up respectively on the inner wall of interior die carrier, locking subassembly sets up two the expansion end of centre form frame.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the utility model provides a prefabricated small box girder whole walking formula template system can make after the pouring of every section prefabricated small box girder need not demolish the back and assemble again, has improved work efficiency by a wide margin to the setting of locomotive can make the side form remove with holistic form all the time, and the side form can directly use holistic steel sheet, makes the side of small box girder more level and smooth, and the pouring effect is better.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a prefabricated small box girder integral walking form system according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a prefabricated small box girder whole walking type template system removal mobile vehicle according to an embodiment of the disclosure;
FIG. 3 is a side view of a prefabricated small box girder integral walking form system according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a mobile vehicle according to an embodiment of the disclosure;
FIG. 5 is a schematic view of an inner mold according to an embodiment of the present disclosure;
fig. 6 is a schematic structural view of a second attaching portion according to an embodiment of the disclosure.
Wherein, 1, a pedestal bottom die; 21. a side mold; 211. a side mold support frame; 212. a first bonding part; 213. a second attaching part; 214. a first right angle plate; 215. a connection assembly; 216. a second right angle plate; 22. an inner mold; 221. an inner mold frame; 23. end molding; 24. a stiffening beam; 31. a ground leg support; 32. a moving vehicle; 321. a motor; 322. a translation system; 323. a jacking system; 324. a wheel; 41. an upper tie rod assembly; 42. a lower pull rod assembly; 51. a connecting rod assembly; 511. a double connecting rod; 512. a locking pin; 513. a control beam; 52. a locking assembly; 6. a shoulder pole beam structure; 7. a construction platform; 8. a tray; 9. and a mounting groove.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
The prefabricated box girder is a bent component which is prefabricated in advance by tensioning prestressed steel bars through a pretensioning method or a post-tensioning method, and then is transported to a construction site for installation.
The prior art mainly adopts to support the side form through the lower margin and fix, just need to split whole side form to next pouring position and assemble again in every completion one section precast box girder's pouring work, whole process is very loaded down with trivial details, can waste a lot of time again simultaneously, lead to the work efficiency of whole engineering to reduce, not only this, the assembly work of side form all needs to realign the side form of homonymy at every turn, otherwise the precast box girder surface after pouring appears very easily is uneven, need the phenomenon of extra repair leveling, so repeatedly change work type, the repeated assembly and the demolition of side form not only lead to work efficiency low, also greatly increased workman's intensity of labour.
Based on this, this embodiment provides a prefabricated little case roof beam whole walking formula template system and method, can make after the pouring of every section prefabricated little case roof beam accomplish need not to dismantle the side form and assemble again, has improved work efficiency by a wide margin to the setting of locomotive can make the side form remove with holistic form all the time, and the side form can directly use holistic steel sheet, makes the side of little case roof beam more level, and the pouring effect is better. The following is a detailed description of the present invention by way of specific examples:
referring to fig. 1 to 4, the prefabricated small box girder integral walking type template system provided in this embodiment includes two sets of side templates 21, where the two sets of side templates 21 are oppositely arranged for forming the side surfaces of the girder body;
the number of the supporting devices is two, and the two supporting devices are correspondingly arranged below the two groups of side dies 21; the two sets of strutting arrangement all includes locomotive 32, be provided with translation system 322 and jacking system 323 on the locomotive 32, the one end and the side form 21 of jacking system 323 are connected, the other end is connected with translation system 322, translation system 322 installs on locomotive 32, and change the horizontal distance of jacking system 323 and the roof beam body, locomotive 32 is used for supporting side form 21 and after the pouring of one section prefabricated little case roof beam is accomplished, drive whole side form 21 and break away from the roof beam body of pouring completion, move to the pouring position of next section prefabricated little case roof beam, then promote side form 21 to working position again, carry out the pouring work of next section prefabricated little case roof beam, set up like this and can make the pouring of every section prefabricated little case roof beam need not assemble again after removing side form 21, work efficiency has been improved by a wide margin, and the setting of locomotive 32 can make side form 21 remove with holistic form all the time, side form 21 can directly use holistic steel sheet, make the side of little case roof beam more even, the pouring effect is better.
In a further embodiment, the construction platform 7 is disposed above the side form 21, so that the construction operation on the side form 21 and the first right angle plate 214 can be more convenient, and the construction efficiency can be effectively improved.
The cart 32 includes wheels 324 and motors 321, the number of the wheels 324 is plural, the wheels 324 are disposed on the cart 32, the number of the motors 321 is two, the two sets of motors 321 are disposed on the cart 32 along opposite angles, and the wheels 324 disposed at opposite angles are respectively driven, the diagonally disposed motors 321 can enable the cart 32 to adjust the direction of the cart 32 by controlling the rotation speed and the steering of the diagonally disposed motors 321 without steering system, and it is noted that the cart 32 is provided with a mounting slot 9 for mounting the translation system 322.
More preferably, the side form 21 includes laminating subassembly and side form support frame 211, laminating subassembly and the laminating of the side of roof beam body, and side form support frame 211 installs on jacking system 323, and side form support frame 211 sets up in the one side that the subassembly kept away from the roof beam body of laminating to laminating support laminating subassembly, it should be noted that be equipped with the stiffening beam 24 that is used for strengthening side form support frame 211 on the side form support frame 211, stiffening beam 24 sets up the great position department of stress on side form support frame 211, prevents the problem that side form support frame 211 damaged.
The concrete pouring device further comprises a pull rod mechanism, wherein the pull rod mechanism comprises an upper pull rod assembly 41 and a lower pull rod assembly 42, two ends of the upper pull rod assembly 41 are respectively connected with the upper ends of the side mold supporting frames 211 on two sides, two ends of the lower pull rod assembly 42 are respectively connected with the lower ends of the side mold supporting frames 211 on two sides, the side molds 21 on two sides can be relatively fixed through the arrangement of the pull rod mechanism, and the pressure of concrete on the side molds 21 during pouring is counteracted, so that the smooth pouring operation is guaranteed, and the shape of the small box girder is further guaranteed to meet the requirements.
It should be noted that, still include pedestal die block 1, pedestal die block 1 is used for bearing the weight of the roof beam body to as the die block of the roof beam body, be provided with the pore that supplies pull rod subassembly 42 to pass on the pedestal die block 1, be provided with the reservation sleeve pipe in the pore, the reservation sleeve pipe makes lower pull rod subassembly 42 more conveniently pass pedestal die block 1 and accomplishes the horizontal drawing work, wherein, the reservation sleeve pipe is the PVC pipe, and evenly set up many along the setting direction of the roof beam body, every interval between two sets up 0.5-1m, go up pull rod subassembly 41 and lower pull rod subassembly 42 can correspond to arrange, also can staggered arrangement.
In some embodiments, the shoulder pole beam structures 6 are respectively arranged at two ends of the upper pull rod assembly 41 and two ends of the lower pull rod assembly 42, the shoulder pole beam structures 6 are used for fixing the ends of the upper pull rod assembly 41 and the lower pull rod assembly 42 on the side die supporting frame 211, the force application area of the upper pull rod assembly 41 and the lower pull rod assembly 42 to the side die supporting frame 211 during fixing is greatly increased, the stress of the side die supporting frame 211 is more dispersed, and the deformation of the side die supporting frame 211 during fixing the upper pull rod assembly 41 and the lower pull rod assembly 42 is reduced.
That is, the bonding assembly includes a first bonding portion 212 and a second bonding portion 213, the first bonding portion 212 is bonded and disposed on a side wall of the side mold support frame 211 facing the beam body, the second bonding portion 213 includes a first rectangular plate 214, a second rectangular plate 216 and a connecting assembly 215, the second rectangular plate 216 is disposed at an end portion of the first bonding portion 212, one plane of the first rectangular plate 214 is bonded and disposed with one plane of the second rectangular plate 216, the other plane of the first rectangular plate 214 extends vertically upwards and is higher than the first bonding portion 212, the connecting assembly 215 connects and fixes the first rectangular plate 214 with the second rectangular plate 216, the connecting assembly 215 includes an F-shaped connecting plate and a connecting bolt in threaded connection with the F-shaped connecting plate, the F-shaped connecting plate clamps a portion of the first rectangular plate 214 and the second rectangular plate 216, and a face of the first rectangular plate 214 and the second rectangular plate 216 are bonded and tightly fixed by using the connecting bolt.
In particular, when realizing, jacking system 323 includes first pneumatic cylinder group, the wherein one end and the side form support frame 211 of first pneumatic cylinder group are connected, the other end is connected with translation system 322, the axis and the horizontal plane of first pneumatic cylinder group form the contained angle, the contained angle is greater than 0 degrees to be less than 180 degrees, jacking system 323 is used for accomplishing the rising and the work that descends of side form 21, make side form 21 preliminary break away from the roof beam body and be close to the roof beam body, wherein, the top of first pneumatic cylinder group is equipped with tray 8, tray 8 can make the more steady support side form support frame 211 of first pneumatic cylinder group, the supporting effect is better, the work is more reliable and stable.
The translation system 322 comprises a second hydraulic cylinder group, one end of the second hydraulic cylinder group is connected with the jacking system 323, the other end of the second hydraulic cylinder group is arranged on the moving vehicle 32, the axis of the second hydraulic cylinder group is parallel to the horizontal plane and perpendicular to the axis of the beam body, and the side mold 21 is enabled to complete the work of separating from the beam body and reaching a designated station through the cooperation of the translation system 322 and the jacking system 323.
Meanwhile, the side form support device further comprises a ground support 31, a plurality of ground supports 31 are connected with the side form support frame 211 along the ground support 31, the ground supports 31 are used for supporting the side form support frame 211, the ground support 31 can provide reliable supporting force for the part of the side form 21 which is not supported by the jacking system 323, displacement and deformation of the side form 21 are prevented, smooth forming operation of the small box girder is further guaranteed, the ground support 31 is stretched to contact the ground when the side form 21 is moved to a working place by the moving vehicle 32, the bottom of the ground support 31 is supported to the ground, the side form 21 starts to be supported, when the side form 21 needs to be moved, the ground support 31 is retracted firstly, the ground support 31 is separated from the ground, then when the side form 21 is moved to another working place by the moving vehicle 32, the ground support 31 is stretched to contact the ground again, the bottom of the ground support 31 is supported to the ground, and the support of the side form 21 starts to be supported.
In this embodiment, it is preferable that the casting mold further includes an inner mold 22 and an end mold 23, two sets of side molds 21 are symmetrically disposed at two sides of the inner mold 22, two sets of end molds 23 are disposed at two ends of the inner mold 22 and connect the inner mold 22 with the side molds 21, the inner mold 22 is formed by hinging two inner mold frames 221, two sets of inner mold supporting devices are symmetrically disposed between the two inner mold frames 221, the inner mold supporting devices include a connecting rod assembly 51 and a locking assembly 52, the connecting rod assembly 51 is of a multi-section hinged connecting rod structure, and two ends are respectively disposed on inner walls of the inner mold frames 221, the locking assembly 52 is disposed at movable ends of the two inner mold frames 221, the inner mold 22 can be directly retracted inwards after forming the small box beam is completed through the connecting rod assembly 51 and the locking assembly 52, the casting mold is more conveniently taken out, and then is put into a casting station of a next small box beam for use, so that the working efficiency of the whole casting work can be greatly improved.
In some embodiments, the link assembly 51 includes a double link 511 and a locking pin 512, the double link 511 is composed of two hinged links, two ends of the two links are hinged to the inner wall of the inner mold 22, and the two links in the double link 511 are fixed by the locking pin 512, so that the self-locking of the link assembly 51 is achieved.
In a further embodiment, the control beams 513 are rotatably connected to the hinge positions of the two links in the double links 511, the control beams 513 extend along the direction in which the inner mold 22 is arranged and are rotatably connected to the hinge positions of all the double links 511, and by means of the arrangement of the control beams 513, a constructor can control the bending degree of all the link assemblies 51 at the end mold 23, so that the safety is improved and the construction efficiency is also improved.
The specific implementation manner and implementation principle are the same as those of the above embodiment, and the same or similar technical effects can be brought, which are not described in detail herein, and the description of the embodiment of the prefabricated small box girder integral walking type template system can be referred to specifically.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A prefabricated trabecula girder integral walking form system, comprising:
the side dies (21) are arranged in two groups, and the two groups of side dies (21) are oppositely arranged and used for forming the side face of the beam body;
the number of the supporting devices is two, and the two supporting devices are correspondingly arranged below the two side dies (21); the two groups of supporting devices comprise a moving vehicle (32), a translation system (322) and a jacking system (323) are arranged on the moving vehicle (32), one end of the jacking system (323) is connected with the side die (21), the other end of the jacking system is connected with the translation system (322), and the translation system (322) is arranged on the moving vehicle (32) and changes the horizontal distance between the jacking system (323) and the beam body;
the side die (21) comprises a bonding assembly and a side die supporting frame (211), the bonding assembly is bonded with the side face of the beam body, the side die supporting frame (211) is installed on the jacking system (323), and the side die supporting frame (211) is arranged on one side, far away from the beam body, of the bonding assembly and is used for bonding and supporting the bonding assembly;
the utility model discloses a side form support frame, including the subassembly that laminates, laminate including first laminating portion (212) and second laminating portion (213), first laminating portion (212) laminating sets up on the lateral wall of side form support frame (211) orientation roof beam body, second laminating portion (213) include first right-angle plate (214), second right-angle plate (216) and coupling assembling (215), second right-angle plate (216) set up the tip of first laminating portion (212), one of them plane of first right-angle plate (214) with one of them plane laminating of second right-angle plate (216) sets up, another plane of first right-angle plate (214) is vertical upwards to be extended, and exceeds first laminating portion (212), coupling assembling (215) will first right-angle plate (214) with second right-angle plate (216) are connected fixedly.
2. The prefabricated small box girder integral walking form system according to claim 1, wherein the moving vehicle (32) comprises wheels (324) and motors (321), the number of the wheels (324) is plural, the plural wheels (324) are arranged on the moving vehicle (32), the number of the motors (321) is two, the two groups of the motors (321) are arranged on the moving vehicle (32) along diagonal directions, and the wheels (324) positioned at the diagonal directions are driven respectively.
3. The prefabricated small box girder integral walking type formwork system according to claim 1, further comprising a pull rod mechanism, wherein the pull rod mechanism comprises an upper pull rod assembly (41) and a lower pull rod assembly (42), two ends of the upper pull rod assembly (41) are respectively connected with the upper ends of the side formwork supporting frames (211) on two sides, and two ends of the lower pull rod assembly (42) are respectively connected with the lower ends of the side formwork supporting frames (211) on two sides.
4. A prefabricated small box girder integral walking formwork system according to claim 3, further comprising a pedestal bottom mould (1), wherein the pedestal bottom mould (1) is used for bearing a girder body and is used as a bottom mould of the girder body, a duct for the pull-down rod assembly (42) to pass through is arranged on the pedestal bottom mould (1), and a reserved sleeve is arranged in the duct.
5. The prefabricated small box girder integral walking formwork system according to claim 1, wherein the jacking system (323) comprises a first hydraulic cylinder group, one end of the first hydraulic cylinder group is connected with the side formwork support frame (211), the other end of the first hydraulic cylinder group is connected with the translation system (322), and an included angle is formed between an axis of the first hydraulic cylinder group and a horizontal plane, and is larger than 0 degree and smaller than 180 degrees.
6. The prefabricated small box girder integral walking formwork system according to claim 5, wherein the translation system (322) comprises a second hydraulic cylinder group, one end of the second hydraulic cylinder group is connected with the jacking system (323), and the other end of the second hydraulic cylinder group is arranged on the moving vehicle (32), and the axis of the second hydraulic cylinder group is parallel to the horizontal plane and perpendicular to the axis of the girder body.
7. The prefabricated small box girder integral walking formwork system as claimed in claim 1, further comprising a foot support (31), wherein the foot support (31) is connected with the side formwork support (211), and the foot support (31) is used for supporting the side formwork support (211).
8. The prefabricated small box girder integral running type formwork system according to claim 1, further comprising an inner mold (22) and end molds (23), wherein two groups of side molds (21) are symmetrically arranged on two sides of the inner mold (22), two groups of end molds (23) are arranged on two ends of the inner mold (22) and connect the inner mold (22) with the side molds (21), the inner mold (22) is formed by hinging two inner mold frames (221), two groups of inner mold supporting devices are symmetrically arranged between the two inner mold frames (221), each inner mold supporting device comprises a connecting rod assembly (51) and a locking assembly (52), each connecting rod assembly (51) is of a multi-section hinged connecting rod structure, two ends of each connecting rod assembly are respectively arranged on inner walls of the inner mold frames (221), and each locking assembly (52) is arranged on movable ends of the two inner mold frames (221).
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CN205735441U (en) * 2016-06-24 2016-11-30 平顶山平煤机煤矿机械装备有限公司 A kind of bridge prefabrication box beam steel form with anti-levitating device
CN215094367U (en) * 2021-04-28 2021-12-10 中铁九局集团第七工程有限公司 Embedded case roof beam typical forms of component

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