Needle beam type intelligent cantilever bridge fabrication machine for continuous beam construction
By designing an independently movable template system and main truss system, the problem of inflexibility in traditional bridge-building machines has been solved, achieving more efficient and safer construction results.
Patent Information
- Application Number
- CN202520400552.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Traditional bridge-building machines integrate the formwork system with the main truss system, resulting in inflexible construction, complex operation, and easy damage to the poured concrete.
Design a needle beam type intelligent cantilever bridge building machine that allows the template system and the main truss system to move independently of each other. The movement is precisely controlled by hydraulic travel cylinders and vertical cylinders. It is equipped with temporary support and rear anchor system to ensure safety and stability.
The design structure has been simplified, construction flexibility and efficiency have been improved, adaptability has been enhanced, construction accuracy and safety have been ensured, formwork installation and disassembly are easier, and the pouring process is more efficient and uniform.
Smart Images

Figure CN223853204U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge -building machine technical field especially relates to a needle beam type intelligent cantilever bridge -building machine for continuous beam construction. BACKGROUND
[0002] In the field of continuous beam construction, the traditional bridge -building machine design often connects the formwork system and the main truss system as a whole, which although guarantees the stability of the structure to some extent, but also limits the flexibility and efficiency of construction.
[0003] 1, the traditional deck bridge -building machine needs to hang upside down and anchor the walking track when walking, the position below the main beam is narrow, which is not easy to operate, and the mechanism is complex.
[0004] 2, the walking of the bottom -supported type is easy to damage the already poured concrete at the both side flanges. INVENTION CONTENTS
[0005] The utility model discloses a needle beam type intelligent cantilever bridge -building machine for continuous beam construction, which solves the problems of the prior art, such as the need to hang upside down and anchor the walking track when walking, the narrow position below the main beam, the difficulty in operation, the complexity of the mechanism, and the damage to the already poured concrete at the both side flanges.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A needle beam type intelligent cantilever bridge -building machine for continuous beam construction, comprising a main truss, a front cross beam is arranged on one side of the top of the main truss, a rear anchor system is arranged on the other side of the top of the main truss, a rear movable cross beam is arranged at the middle position of the main truss, hydraulic walking oil cylinders are arranged on both sides of the bottom of the rear movable cross beam, a temporary support system is arranged on one side of the main truss, and a formwork assembly for pouring is arranged at the bottom of the front cross beam.
[0008] In a possible design, the formwork assembly comprises a bottom plate system, a plurality of bottom plate front hoisting systems and a plurality of bottom mold front davits are arranged on the top of the bottom plate system, and the top of the bottom plate front hoisting system and the bottom mold front davit is fixedly connected with the front cross beam.
[0009] In a possible design, the formwork assembly further comprises an outer mold formwork, a plurality of inner mold front davits are arranged on the top of the outer mold formwork, and the top of the plurality of inner mold front davits is fixedly connected with the front cross beam.
[0010] In a possible design, the formwork assembly further comprises an inner formwork, and a plurality of outer formwork front jibs are fixedly connected to the top of the inner formwork, and the top of the plurality of outer formwork front jibs is fixedly connected with a front cross beam; a plurality of bottom formwork outer jibs are fixedly connected to the bottom of the inner formwork, and the bottom of the bottom formwork outer jibs is fixedly connected with a bottom plate system.
[0011] In a possible design, the top of the main truss is provided with a front movable cross beam, the bottom of the front movable cross beam is provided with a vertical oil cylinder, and one side of the front movable cross beam is provided with an outer formwork stripping system which is used in cooperation with the inner formwork.
[0012] In a possible design, the same main beam cross link is fixedly connected between the two hydraulic walking oil cylinders, and the top of the main beam cross link is provided with a split anchor distribution beam on both sides, and the split anchor distribution beam is internally provided with a plurality of main beam rear anchors which are connected with the bridge body.
[0013] In the present application, before the walking main truss, the formwork is first lifted in place together with the bottom formwork system, so as to be separated from the main truss, and after being separated, the main truss is not connected with the front and rear rods, and the main truss can be walked alone.
[0014] When the formwork is walked, the rear of the main truss is anchored by a pull rod, and the formwork system is pushed forward by the oil cylinder and the clamping grab.
[0015] The traditional bridge machine formwork system is connected with the main truss as a whole and cannot be moved separately.
[0016] The reason why it is called needle beam type is that the main truss is arranged in the middle of the formwork and penetrates through the formwork, and can freely move forward and backward.
[0017] The utility model patent mainly enables the formwork system and the main truss system to move relative to each other, thereby simplifying the design structure and improving the work efficiency.
[0018] Beneficial effects: firstly, by designing the formwork system and the main truss system as a structure that can move independently, the overall design structure is greatly simplified, and the operation of the bridge machine in the construction process is more flexible and convenient.
[0019] Secondly, the needle beam design enables the main truss to freely pass through the formwork and move in front and behind it, which not only enhances the adaptability of the bridge machine, but also makes the installation, disassembly and adjustment of the formwork easier. In addition, through the cooperation of the hydraulic walking oil cylinder and the vertical oil cylinder, the movement and positioning of the bridge machine can be accurately controlled, further improving the precision and stability of the construction.
[0020] Finally, the bridge machine of the present application is also equipped with a perfect temporary support system and a rear anchor system, which ensures the safety and stability during construction. At the same time, the detailed design of the formwork assembly also fully considers the needs of pouring, making the pouring process more efficient and uniform. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 A side view structural schematic diagram of a needle beam type intelligent cantilever bridge machine for continuous beam construction is provided for the utility model;
[0022] Figure 2 A main view cross-sectional structural schematic diagram of a needle beam type intelligent cantilever bridge machine A-A for continuous beam construction is provided for the utility model;
[0023] Figure 3 A main view cross-sectional structural schematic diagram of a needle beam type intelligent cantilever bridge machine B-B for continuous beam construction is provided for the utility model;
[0024] Figure 4 A main view cross-sectional structural schematic diagram of a needle beam type intelligent cantilever bridge machine C-C for continuous beam construction is provided for the utility model;
[0025] Figure 5 A main view cross-sectional structural schematic diagram of a needle beam type intelligent cantilever bridge machine D-D for continuous beam construction is provided for the utility model.
[0026] In the figure: 1, main truss; 2, rear anchor system; 3, rear movable cross beam; 4, hydraulic walking oil cylinder; 5, temporary support system; 6, front movable cross beam; 7, front cross beam; 8, inner mold front jib; 9, bottom mold front jib; 10, outer mold front jib; 11, bottom plate front hoisting system; 12, bottom mold outer jib; 13, bottom plate system; 14, vertical oil cylinder; 15, outer mold stripping system; 16, main beam cross link; 17, sub-anchor distribution beam; 18, main beam rear anchor; 19, inner mold formwork; 20, outer mold formwork. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0028] Embodiment 1
[0029] Referring to Figures 1-5 A cantilever bridge machine, comprising: a main truss 1, the top of the main truss 1 is provided with a front beam 7 on one side, the top of the main truss 1 is provided with a rear anchor system 2 on the other side, a rear movable beam 3 is arranged at the middle position of the main truss 1, hydraulic walking oil cylinders 4 are arranged at the bottom of both sides of the rear movable beam 3, a temporary support system 5 is arranged on one side of the main truss 1, a formwork assembly for pouring is arranged at the bottom of the front beam 7, the formwork assembly comprises a bottom plate system 13, a plurality of bottom plate front hoisting systems 11 and a plurality of bottom die front davits 9 are arranged at the top of the bottom plate system 13, the top of the bottom plate front hoisting system 11 and the bottom die front davit 9 is fixedly connected with the front beam 7, the formwork assembly further comprises an outer die formwork 20, a plurality of inner die front davits 8 are arranged at the top of the outer die formwork 20, the top of the plurality of inner die front davits 8 is fixedly connected with the front beam 7, the formwork assembly further comprises an inner die formwork 19, a plurality of outer die front davits 10 are fixedly connected at the top of the inner die formwork 19, the top of the plurality of outer die front davits 10 is fixedly connected with the front beam 7, a plurality of bottom die outer davits 12 are fixedly connected at the bottom of the inner die formwork 19, the bottom of the bottom die outer davit 12 is fixedly connected with the bottom plate system 13, before walking the main truss 1, the formwork is first lifted in place together with the bottom die system, so that it is separated from the main truss 1, after being separated, the main truss 1 is not connected with the front and rear rods, the main truss 1 can be walked alone, when the main truss 1 walks, the front is overweight, and the rear is provided with a counterweight, when the formwork walks, the rear of the main truss 1 is anchored by a pull rod, and the formwork system is pushed forward by the oil cylinder and the clamping.
[0030] The present application can be used in the field of bridge building machines, and can also be used in other fields applicable to the present application.
[0031] Embodiment 2
[0032] Reference Figures 1-5 On the basis of embodiment 1, an improved needle beam type intelligent cantilever bridge machine for continuous beam construction is applied to the field of bridge building machines, the top of the main truss 1 is provided with a front movable beam 6, the bottom of the front movable beam 6 is provided with a vertical oil cylinder 14, one side of the front movable beam 6 is provided with an outer die stripping system 15, the outer die stripping system 15 is used in cooperation with the inner die formwork 19, the same main beam cross link 16 is fixedly connected between the two hydraulic walking oil cylinders 4, the top of the main beam cross link 16 is provided with a split anchor distribution beam 17 on both sides, the split anchor distribution beam 17 is provided with a plurality of main beam rear anchors 18 in the inside, and the main beam rear anchor 18 is connected with the bridge body.
[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A needle beam type intelligent cantilever bridge builder for continuous beam construction, characterized in that, The utility model relates to a main truss (1), one side of the top of the main truss (1) is provided with a front crossbeam (7), the other side of the top of the main truss (1) is provided with a rear anchor system (2), the middle position of the main truss (1) is provided with a rear movable crossbeam (3), the bottom of the rear movable crossbeam (3) is provided with hydraulic walking oil cylinder (4) on both sides, one side of the main truss (1) is provided with a temporary support system (5), the bottom of the front crossbeam (7) is provided with a formwork assembly for pouring. The formwork assembly comprises a bottom plate system (13), the top of the bottom plate system (13) is provided with a plurality of bottom plate front hoisting systems (11) and a plurality of bottom die front derricks (9), and the top of the bottom plate front hoisting system (11) and the bottom die front derrick (9) is fixedly connected with the front crossbeam (7).
2. The needle beam type intelligent cantilever bridge builder for continuous beam construction according to claim 1, characterized in that, The formwork assembly further comprises an outer die formwork (20), and the top of the outer die formwork (20) is provided with a plurality of inner die front derricks (8), and the top of the plurality of inner die front derricks (8) is fixedly connected with the front crossbeam (7).
3. The needle beam type intelligent cantilever bridge builder for continuous beam construction according to claim 1, characterized in that, The formwork assembly further comprises an inner die formwork (19), the top of the inner die formwork (19) is fixedly connected with a plurality of outer die front derricks (10), the top of the plurality of outer die front derricks (10) is fixedly connected with the front crossbeam (7), and the bottom of the inner die formwork (19) is fixedly connected with a plurality of bottom die outer derricks (12), and the bottom of the bottom die outer derrick (12) is fixedly connected with the bottom plate system (13).
4. The needle beam type intelligent cantilever bridge builder for continuous beam construction according to claim 1, characterized in that, The top of the main truss (1) is provided with a front movable crossbeam (6), the bottom of the front movable crossbeam (6) is provided with a vertical oil cylinder (14), one side of the front movable crossbeam (6) is provided with an outer die stripping system (15), and the outer die stripping system (15) is used in cooperation with the inner die formwork (19).
5. The needle beam type intelligent cantilever bridge builder for continuous beam construction according to claim 1, characterized in that, A main beam crosslink (16) is fixedly connected between the two hydraulic walking oil cylinders (4), the top of the main beam crosslink (16) is provided with a distribution beam (17) on both sides, the distribution beam (17) is provided with a plurality of main beam rear anchors (18) in the inside, and the main beam rear anchor (18) is connected with the bridge body.
6. The needle beam type intelligent cantilever bridge builder for continuous beam construction of claim 1, wherein