Outer mold structure of ascending type movable mold frame
By using an upward-moving formwork structure, a hydraulic system and outrigger structure are employed to enable rapid and safe construction of railway bridges in complex terrain and restricted areas. This solves the problems of low construction efficiency and poor safety in existing technologies, achieving both rapid construction and improved safety.
Patent Information
- Application Number
- CN202520225591.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing railway bridge construction is inefficient and unsafe in confined spaces and steep mountainous areas, making it difficult to meet construction needs.
The system adopts an upward-moving formwork structure, including a traveling main frame, cast-in-place modules, and outrigger modules. It utilizes a hydraulic system and outrigger structure to achieve rapid movement and stable construction. The system employs a two-span, three-leg structure with simple support through holes. The outriggers and hydraulic system move section by section, and the outrigger structure and cylinders enable forward and reverse rotation.
It enables rapid and safe bridge construction under complex terrain and limited site conditions, simplifies equipment installation and dismantling cycles, and improves construction efficiency and safety.
Smart Images

Figure CN223723618U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of road and bridge equipment, especially to an uplink mobile mould frame outer mould structure. BACKGROUND
[0002] In the field of railway bridge construction, the traditional construction method often increases the construction difficulty when facing limited sites and steep mountainous areas, and it is difficult to guarantee the construction efficiency and safety, especially in complex terrain and rugged mountainous areas, the limitation of construction site and the harsh natural environment bring great challenges to the construction of railway bridges. The existing construction means include lifting the prefabricated bridge deck to the pier by hoisting equipment, and also moving to the pier after pouring and solidifying the prefabricated bridge deck behind the bridge deck to be laid, for example, Chinese patent publication No. CN108442255B.
[0003] The above construction method is low in efficiency and poor in safety, therefore, an advanced construction method that can adapt to the characteristics of limited sites and steep mountainous areas is urgently needed to improve the construction efficiency and ensure the engineering quality and safety. CONTENT OF THE UTILITY MODEL
[0004] Therefore, the utility model provides an uplink mobile mould frame outer mould structure to overcome the problem of low bridge laying efficiency and poor safety in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides an uplink mobile mould frame outer mould structure, which comprises:
[0006] The advancing main frame is arranged along the bridge laying direction and comprises two main beams arranged in parallel, a plurality of cross beams connected between the two main beams, and a sliding rail arranged at the lower end surface of the main beam, wherein the main beam comprises a front support section, a middle support section and a rear support section;
[0007] The cast-in-place module is hung on the middle support section of the advancing main frame and comprises a plurality of hanging cross beams arranged at equal intervals outside the advancing direction of the main beam, wherein a single hanging cross beam is provided with a hanging outer rib, the hanging outer rib advances along the direction of the hanging cross beam, and each hanging outer rib is provided with a pouring half-mould inside, and the two pouring half-moulds are separated or combined along the advancing direction of the hanging outer rib;
[0008] The leg module is arranged below the advancing main frame and comprises a first leg unit, a second leg unit and a third leg unit arranged in sequence along the advancing direction of the advancing main frame.
[0009] Further, the top end of the hanging cross beam is provided with a hanging rail, the hanging outer rib is slidingly connected above the hanging rail, and a hydraulic rod is arranged between the hanging cross beam and the hanging outer rib.
[0010] Further, the first leg unit comprises a first leg crossbeam, first support columns are arranged below both sides of the first leg crossbeam, first fixing bases are arranged at lower ends of the first support columns, and the first fixing bases are used for being fixed to the top end of the pier; first displacement trolleys are arranged at both sides of the top end of the first leg crossbeam, and the first displacement trolleys drive the first leg unit to slide along the lower end surface of the main beam.
[0011] Further, a cable-stayed cable is arranged between the first leg crossbeam and the first support column, and a transverse cable is arranged between the two first support columns.
[0012] Further, a first inclined support rod is arranged at one side of the first leg crossbeam.
[0013] Further, the first displacement trolley comprises a trolley base arranged on the top surface of the first leg crossbeam, a traction device arranged on the trolley base, and a first tensioning hydraulic cylinder, one end of the traction device is hinged to the trolley base, the other end of the traction device is hinged to a pull seat, the pull seat is connected with a sliding rail on the lower end surface of the main beam, a second tensioning hydraulic cylinder is arranged in the pull seat, and clamping blocks are arranged at the top ends of both sides of the displacement trolley and clamped with the main beam.
[0014] Further, the second leg unit comprises a second leg crossbeam and second displacement trolleys arranged at both sides of the top end of the second leg crossbeam, and the second displacement trolleys drive the second leg unit to slide along the lower end surface of the main beam.
[0015] Further, the third leg unit comprises a third leg crossbeam and a third displacement trolley arranged below the third leg crossbeam.
[0016] Further, the third displacement trolley comprises a vehicle frame, a support column arranged above the vehicle frame, a top end of the support column being connected with the third leg crossbeam, and moving wheels being arranged below the vehicle frame.
[0017] Further, a plurality of support rods are arranged between the hanging outer rib and the pouring half mold.
[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0019] The utility model adopts a two-span three-leg structure, simply supports the hole, is stable in structure, is strong in anti-overturning capacity, and can realize rapid reverse operation after the end-span box girder construction is completed.
[0020] Further, the utility model utilizes the self leg and the hydraulic system to walk section by section, and solves the technical problems of complex near-tunnel portal terrain and difficult mobile mold frame assembly construction.
[0021] Further, the utility model discloses utilize the support leg structure and oil cylinder to realize the positive and negative direction and turn over, solved the difficult problem of long period of time of installation and dismounting of reverse construction equipment, many of large -scale tooling under the restricted site condition, realized the quick construction of mobile mould frame beam. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the whole structure schematic diagram of the uplink mobile mould frame outer mould structure of the utility model embodiment;
[0023] Figure 2 It is the travelling main frame structure schematic diagram of the uplink mobile mould frame outer mould structure of the utility model embodiment;
[0024] Figure 3 It is the cast-in-place module closed state structure schematic diagram of the utility model embodiment;
[0025] Figure 4 It is the cast-in-place module open state structure schematic diagram of the utility model embodiment;
[0026] Figure 5 It is the first support leg unit front view structure schematic diagram of the utility model embodiment;
[0027] Figure 6 It is the first support leg unit side view structure schematic diagram of the utility model embodiment;
[0028] Figure 7 It is the second support leg unit front view structure schematic diagram of the utility model embodiment;
[0029] Figure 8 It is the third support leg unit front view structure schematic diagram of the utility model embodiment;
[0030] Figure 9 It is the second displacement platform three-dimensional structure schematic diagram of the utility model embodiment;
[0031] 11, main beam; 12, cross beam; 13, slide rail; 111, front support section; 112, middle support section; 113, rear support section; 21, hanging cross beam; 22, hanging outer rib; 23, pouring half mold; 24, hanging rail; 25, hydraulic rod; 26, support rod; 31, first leg unit; 32, second leg unit; 33, third leg unit; 311, first leg cross beam; 312, first support column; 313, first fixing seat; 314, first displacement trolley; 315, inclined cable; 316, transverse cable; 317, first inclined support rod; 3141, trolley base; 3142, traction device; 3143, first tensioning hydraulic barrel; 3144, pulling seat; 3145, second tensioning hydraulic barrel; 3146, clamping block; 321, second leg cross beam; 322, second displacement trolley; 331, third leg cross beam; 332, third displacement trolley; 3321, vehicle frame; 3322, support column; 3323, moving wheel. DETAILED DESCRIPTION
[0032] In order to make the purpose, characteristics and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model are described clearly and completely. Obviously, the following described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0033] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the utility model.
[0034] In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0035] In the description of the embodiments of the utility model, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0036] Please refer toFigures 1-9 , respectively, are the overall structure schematic diagram of the uplink mobile formwork frame outer formwork structure, the uplink mobile formwork frame outer formwork structure marching main frame structure schematic diagram, the cast-in-place module closed state structure schematic diagram, the cast-in-place module opened state structure schematic diagram, the first supporting leg unit front view structure schematic diagram, the first supporting leg unit side view structure schematic diagram, the second supporting leg unit front view structure schematic diagram, and the third supporting leg unit front view structure schematic diagram.
[0037] The uplink mobile formwork frame outer formwork structure comprises:
[0038] The marching main frame is arranged along the bridge laying direction and comprises two main beams 11 arranged in parallel, a plurality of cross beams 12 connected between the two main beams 11, and slide rails 13 arranged at the lower end surface of the main beams 11, wherein the main beam 11 comprises a front support section 111, a middle support section 112 and a rear support section 113.
[0039] The cast-in-place module is hung on the middle support section 112 of the marching main frame and comprises a plurality of hanging cross beams 21 arranged at equal intervals outside the marching direction of the main beam 11, wherein each hanging cross beam 21 is provided with a hanging outer rib 22, the hanging outer rib 22 marches along the direction of the hanging cross beam 21, and each hanging outer rib 22 is internally provided with a pouring half-mold 23, and the two pouring half-molds 23 are separated or combined along the marching direction of the hanging outer rib 22.
[0040] The supporting leg module is arranged below the marching main frame and comprises a first supporting leg unit 31, a second supporting leg unit 32 and a third supporting leg unit 33 arranged in sequence along the marching direction of the marching main frame.
[0041] Specifically, the top end of the hanging cross beam 21 is provided with a hanging rail 24, the hanging outer rib 22 is slidingly connected above the hanging rail 24, and a hydraulic rod 25 is arranged between the hanging cross beam 21 and the hanging outer rib 22, and it can be understood that the hanging outer rib 22 is driven to stretch and retract along the direction of the hanging cross beam 21 through the stretching and retracting of the hydraulic rod 25, and the bridge pier is realized in the opening process, and the bridge deck is poured in the closed state.
[0042] Specifically, the first leg unit 31 comprises a first leg crossbeam 311, and first support columns 312 are arranged below both sides of the first leg crossbeam 311, and first fixing bases 313 are arranged at lower ends of the first support columns 312, and the first fixing bases 313 are used to be fixed at the top end of the pier; first displacement trolleys 314 are arranged at both sides of the top end of the first leg crossbeam 311, and the first displacement trolleys 314 drive the first leg unit 31 to slide along the lower end surface of the main beam 11.
[0043] Specifically, a cable-stayed cable 315 is arranged between the first leg crossbeam 311 and the first support column 312, and a cross cable 316 is arranged between the two first support columns 312, so that the structural stability of the first leg unit 31 is ensured.
[0044] Specifically, a first inclined support rod 317 is arranged at one side of the first leg crossbeam 311.
[0045] Specifically, the first displacement trolley 314 comprises a trolley base 3141 arranged on the top surface of the first leg crossbeam 311, a traction device 3142 and a first tensioning hydraulic barrel 3143 arranged on the trolley base 3141, wherein one end of the traction device 3142 is hinged to the trolley base 3141, the other end of the traction device 3142 is hinged to a pull seat 3144, the pull seat 3144 is connected with the slide rail 13 of the lower end surface of the main beam 11, and a second tensioning hydraulic barrel 3145 is arranged in the pull seat 3144; clamping blocks 3146 are arranged at the top ends of both sides of the displacement trolley, and the clamping blocks 3146 are clamped with the main beam 11. Wherein, the traction device 3142 is for example a hydraulic telescopic device or an electric telescopic device, and the specific type is not limited, the hydraulic telescopic device is for example a hydraulic rod 25, and the electric telescopic device is for example an electric actuator. It can be understood that when the first leg unit 31 needs to move along the main beam 11, the second tensioning hydraulic barrel 3145 is retracted, the first tensioning hydraulic barrel 3143 is tensioned, and the traction device 3142 is elongated to preliminarily complete the movement of the pull seat 3144 in the direction of the main beam 11, and then the second tensioning hydraulic barrel 3145 is tensioned, the first tensioning hydraulic barrel 3143 is retracted, and the traction device 3142 is retracted to complete the movement of the whole first leg unit 31 in the direction of the main beam 11.
[0046] Specifically, the second leg unit 32 comprises a second leg crossbeam 321 and second displacement trolleys 322 arranged at both sides of the top end of the second leg crossbeam 321, and the second displacement trolleys 322 drive the second leg unit 32 to slide along the lower end surface of the main beam 11.
[0047] Specifically, the third leg unit 33 comprises a third leg crossbeam 331 and third displacement trolleys 332 arranged below the third leg crossbeam 331.
[0048] Specifically, the third transfer trolley 332 includes a frame 3321, a support column 3322 disposed above the frame 3321, the top of the support column 3322 being connected to the third leg beam 331, and a moving wheel 3323 disposed below the frame 3321.
[0049] Specifically, a number of support rods 26 are provided between the hanging outer rib 22 and the casting half mold 23.
[0050] Combination Figure 1 Instructions for use: Figure 1 There are three bridge piers. The left side of the first pier has been completed, and the middle section is being poured. When it is necessary to lay the bridge deck between the second and third piers, the outer rib 22 is first extended outward along the suspension beam 21. Then, the main frame moves forward along the first leg unit 31, the second leg unit 32, and the third leg unit 33 to the third pier. Then, the connection between the first fixed seat 313 below the first leg unit 31 and the pier is opened in sequence. Then, the first moving trolley 314 moves the first leg unit 31 forward to the third pier and fixes it. Then, the second leg unit 32 moves to the second pier and is fixed. Then, the outer rib 22 is retracted inward along the suspension beam 21 to close the two pouring half-forms 23 before the bridge deck is poured.
[0051] For those skilled in the art, based on the ideas of the embodiments of this utility model, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. An up-and-down mobile formwork outer formwork structure, characterized by, The utility model relates to a cast-in-situ bridge deck construction system, comprising: a traveling main frame arranged along the bridge laying direction, comprising two main beams arranged in parallel, a plurality of cross beams connecting the two main beams, and sliding rails arranged at the lower end surface of the main beams, wherein the main beam comprises a front support section, a middle support section and a rear support section; a cast-in-situ module hoisted on the middle support section of the traveling main frame, comprising a plurality of hoisting cross beams arranged at equal intervals outside the traveling direction of the main beam, wherein each hoisting cross beam is provided with a hoisting outer rib arranged inside the hoisting cross beam, and the two cast-in-situ half-molds are separated or combined along the traveling direction of the hoisting outer rib; a support leg module arranged below the traveling main frame, comprising a first support leg unit, a second support leg unit and a third support leg unit arranged in sequence along the traveling direction of the traveling main frame.
2. The climbing formwork wall form construction of claim 1, wherein, The top end of the hoisting cross beam is provided with a hoisting rail, the hoisting outer rib is slidingly connected above the hoisting rail, and a hydraulic rod is arranged between the hoisting cross beam and the hoisting outer rib.
3. The climbing formwork wall form construction of claim 1, wherein, The first support leg unit comprises a first support leg cross beam, first support columns are arranged on both sides below the first support leg cross beam, a first fixing seat is arranged at the lower end of the first support column, the first fixing seat is used to be fixed on the top end of the bridge pier, first displacement trolleys are arranged on both sides of the top end of the first support leg cross beam, and the first displacement trolleys drive the first support leg unit to slide along the lower end surface of the main beam.
4. The climbing formwork wall form construction of claim 3, wherein, A stay cable is arranged between the first support leg cross beam and the first support column, and a cross cable is arranged between the two first support columns.
5. The climbing formwork wall form construction of claim 3, wherein, A first inclined support rod is arranged on one side of the first support leg cross beam.
6. The climbing formwork wall form construction of claim 3, wherein, The first displacement trolley comprises a trolley base arranged on the top surface of the first support leg cross beam, a traction device and a first tensioning hydraulic cylinder arranged on the trolley base, one end of the traction device is hinged to the trolley base, the other end of the traction device is hinged with a pull seat, the pull seat is connected with the sliding rail of the lower end surface of the main beam, a second tensioning hydraulic cylinder is arranged in the pull seat, clamping blocks are arranged at the top ends on both sides of the displacement trolley, and the clamping blocks are clamped with the main beam.
7. The climbing formwork wall form construction of claim 1, wherein, The second support leg unit comprises a second support leg cross beam and second displacement trolleys arranged on both sides of the top end of the second support leg cross beam, and the second displacement trolleys drive the second support leg unit to slide along the lower end surface of the main beam.
8. The climbing formwork wall form construction of claim 1, wherein, The third support leg unit comprises a third support leg cross beam and a third displacement trolley arranged below the third support leg cross beam.
9. The climbing formwork wall form construction of claim 8, wherein, The third displacement trolley comprises a vehicle frame, a support column arranged above the vehicle frame, the top end of the support column is connected with the third support leg cross beam, and a moving wheel is arranged below the vehicle frame.
10. The climbing formwork wall form construction of claim 1, wherein, A plurality of support rods are arranged between the hoisting outer rib and the cast-in-situ half-mold.
Citation Information
Patent Citations
A mobile formwork bridge-building machine and a cast-in-place bridge-building construction method
CN108442255B