Tunnel arc section steel mould trolley

Abstract

The utility model discloses a tunnel arc section steel mould trolley which comprises a steel mould plate, a portal frame, a supporting system and a walking mechanism, the steel mould plate is provided with at least one discharging assembly communicated with a pouring cavity, and the discharging assembly is used for discharging excessive concrete when the pouring cavity is full of concrete. According to the steel formwork trolley, excessive concrete poured in the pouring cavity is discharged out of the pouring cavity through the discharging assembly, deformation of the steel formwork caused by the excessive concrete can be effectively avoided, and the service life of the steel formwork trolley can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering equipment technical field, especially a tunnel arc segment steel mould trolley. BACKGROUND

[0002] The tunnel lining trolley is a special equipment used in the secondary lining in the tunnel construction process, which is used for the concrete lining construction of the inner wall of the tunnel.

[0003] The existing steel mould trolley (such as the patent with the publication number CN221823812U) relies on the judgment of the person, and when the pouring cavity between the tunnel and the steel mould plate is poured full, it is often not found in time, so that the deformation of the steel mould plate of the trolley is caused by the excess concrete pouring, which affects the service life of the steel mould trolley. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient of prior art, provides a kind of tunnel arc segment steel mould trolley, and excess concrete is unloaded to the outside of pouring cavity by setting unloading assembly in pouring cavity, excess concrete can be effectively avoided to cause the deformation of steel mould plate, it is favorable to improve the service life of steel mould plate trolley.

[0005] The utility model aims at overcoming the insufficient of prior art, provides a kind of tunnel arc segment steel mould trolley, and excess concrete is unloaded to the outside of pouring cavity by setting unloading assembly in pouring cavity, excess concrete can be effectively avoided to cause the deformation of steel mould plate, it is favorable to improve the service life of steel mould plate trolley.

[0006] A kind of tunnel arc segment steel mould trolley, including steel mould plate, portal, support system and walking mechanism, at least one unloading assembly is equipped in the steel mould plate and is communicated with pouring cavity, the unloading assembly is used when the concrete in pouring cavity is poured full, and excess concrete is discharged by unloading assembly.

[0007] Further, the unloading assembly includes a communication pipe and an unloading pipe, the communication pipe is fixed with the steel mould plate and communicated with the pouring cavity, the unloading pipe is communicated with the communication pipe, and the axial direction of the unloading pipe is perpendicular to the axial direction of the communication pipe.

[0008] Valve plate is equipped in the communication pipe, valve rod that can move along communication pipe axis is connected on the valve plate, the valve plate is used to cut off or communicate unloading pipe and communication pipe, and elastic reset piece is equipped outside the valve rod.

[0009] Further, the elastic reset piece is a spring.

[0010] Further, the valve plate is a bowl-shaped structure.

[0011] Further, the bottom of the valve plate is fixedly provided with a base, and the valve rod is connected with the base by bolts.

[0012] Further, the valve plate is externally provided with a first spring seat and a second spring seat from top to bottom, the first spring seat is fixed with the valve rod, the second spring seat is fixed with the communication pipe, and the second spring seat is slidably sleeved on the valve rod.

[0013] Further, the communication pipe is internally provided with a baffle, and the baffle is located below the discharging pipe.

[0014] Further, the valve rod is externally provided with a bellows coaxial with the valve rod, an upper end of the bellows is fixed with the valve plate, and a lower end of the bellows is fixed with the baffle.

[0015] The utility model discloses beneficial effects are:

[0016] The utility model discloses through setting up discharging assembly and discharging the concrete that pours in the pouring cavity to the outside of pouring cavity, can effectively avoid the deformation of steel formwork caused by the excessive concrete, is favorable for improving the service life of steel formwork trolley. DRAWINGS

[0017] Figure 1 It is the three-dimensional view of the tunnel arc segment steel form trolley in the embodiment of the utility model Figure 1 ;

[0018] Figure 2 It is the three-dimensional view of the tunnel arc segment steel form trolley Figure 2 ;

[0019] Figure 3 It is the sectional view of the tunnel arc segment steel form trolley;

[0020] Figure 4 It is Figure 3 the enlarged schematic view of the part A;

[0021] In the drawing, 1, steel formwork;2, portal;3, support system;4, running mechanism;5, discharging assembly;6, communication pipe;7, discharging pipe;8, valve plate;9, valve rod;10, elastic reset piece;11, base;12, bolt;13, first spring seat;14, second spring seat;15, baffle;16, protective sleeve. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described below in conjunction with the embodiments, and obviously, the 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Referring to Figures 1-4 , the utility model provides a technical scheme: Embodiment

[0024] As Figures 1-4 shown, a tunnel arc segment steel form trolley comprises a steel form plate 1, a portal 2, a support system 3 and a walking mechanism 4, at least one discharging assembly 5 communicating with a pouring cavity is arranged on the steel form plate 1, the discharging assembly 5 is used for discharging excess concrete by the discharging assembly 5 when the pouring cavity is filled with concrete.

[0025] As Figure 3 and Figure 4 shown, the discharging assembly 5 comprises a communicating pipe 6 and a discharging pipe 7, the communicating pipe 6 is fixed with the steel form plate 1 and communicates with the pouring cavity, the discharging pipe 7 communicates with the communicating pipe 6, and the axial direction of the discharging pipe 7 is perpendicular to the axial direction of the communicating pipe 6.

[0026] The communicating pipe 6 is internally provided with a valve plate 8 in a bowl-shaped structure, a valve rod 9 which can move along the axial direction of the communicating pipe 6 is connected to the valve plate 8, the valve plate 8 is used for cutting off or communicating the discharging pipe 7 and the communicating pipe 6, and an elastic reset member 10 is arranged outside the valve rod 9, and the elastic reset member 10 is a spring.

[0027] The bottom of the valve plate 8 is fixedly provided with a base 11, and the valve rod 9 is connected with the base 11 through a bolt 12.

[0028] The valve plate 8 is externally sequentially provided with a first spring seat 13 and a second spring seat 14 from top to bottom, the first spring seat 13 is fixed with the valve rod 9, the second spring seat 14 is fixed with the communicating pipe 6, and the second spring seat 14 is slidably sleeved outside the valve rod 9.

[0029] The communicating pipe 6 is internally provided with a baffle 15, and the baffle 15 is located below the discharging pipe 7.

[0030] The valve rod 9 is externally provided with a bellows coaxial with the valve rod 9, the upper end of the bellows is fixed with the valve plate 8, and the lower end of the bellows is fixed with the baffle 15. The bellows can prevent the valve rod 9 from being corroded by fluid.

[0031] Wherein, the lower end of the valve rod 9 extends to the outside of the lowermost end of the communicating pipe 6, a protective sleeve 16 is arranged outside the lower end of the valve rod 9, and the protective sleeve 16 is detachably connected with the lowermost end of the communicating pipe 6 (which can be but is not limited to threaded connection and plug connection). When it is necessary to clean the communicating pipe 6, the protective sleeve 16 is removed, and then the lower end of the valve rod 9 is manually pulled down to make the valve plate 8 open.

[0032] 2, portal 2 is the existing structure, support system 3 is a plurality of hydraulic rods arranged between portal 2 and steel formwork 1;Traveling mechanism 4 includes rollers arranged at the bottom of portal 2 and tracks matched with the rollers.

[0033] Working principle: after steel formwork 1, portal 2, support system 3 and traveling mechanism 4 are assembled in place and a pouring cavity is formed between steel formwork 1 and the tunnel, concrete pouring can be carried out.

[0034] When the pouring cavity is full, continue pouring, the fluid pressure in the pouring cavity increases, and the fluid pressure in the communication pipe 6 entering the communication pipe 6 synchronously increases. When the fluid pressure in the communication pipe 6 increases to overcome the spring force, the fluid in the communication pipe 6 pushes the valve plate 8 downward.

[0035] When the valve plate 8 moves downward, the communication pipe 6 communicates with the discharge pipe 7, and the fluid in the communication pipe 6 is discharged to the outside through the discharge pipe 7. At this time, the construction personnel observe that the discharge pipe 7 has concrete discharge and immediately stop pouring. When stopping pouring, since no fluid flows into the pouring cavity, the fluid pressure in the pouring cavity gradually decreases, and when the excess concrete in the pouring cavity is discharged, the fluid pressure in the pouring cavity and the spring force when the valve plate 8 closes the communication pipe 6 are balanced, at this time the spring resets the valve plate 8 to reseal the communication pipe 6.

[0036] The utility model discloses a discharge assembly is set up and pours the excess concrete in the pouring cavity to the outside of pouring cavity, can effectively avoid the excess concrete and lead to the deformation of steel formwork, is favorable to improving the service life of steel formwork trolley.

[0037] The above-mentioned is only the preferred implementation mode of the utility model, and it should be understood that the utility model is not limited to the form disclosed in the present text, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described in the present text by the above-mentioned teaching or related technical or knowledge. The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.

Claims

1. A tunnel segment steel form jumbo comprising steel formwork, a portal, a support system and a travelling mechanism, characterised in that: The steel formwork is provided with at least one discharging assembly communicated with the pouring cavity, and the discharging assembly is used for discharging the excess concrete when the pouring cavity is filled with the concrete. The discharging assembly comprises a communicating pipe and a discharging pipe, the communicating pipe is fixed to the steel formwork and communicated with the pouring cavity, and the discharging pipe is communicated with the communicating pipe and the axial direction of the discharging pipe is perpendicular to the axial direction of the communicating pipe. The communicating pipe is provided with a valve plate, the valve plate is connected with a valve rod which can move along the axial direction of the communicating pipe, the valve plate is used for cutting off or communicating the discharging pipe and the communicating pipe, and the valve rod is externally provided with an elastic reset member.

2. The steel segmental lining jumbo of claim 1, characterized in that: The elastic reset member is a spring.

3. The steel segmental lining jumbo of claim 1, wherein: The valve plate is in a bowl shape.

4. The steel segmental lining jumbo of claim 1, wherein: The valve plate is fixedly provided with a base at the bottom, and the valve rod is connected with the base through bolts.

5. The steel segmental lining jumbo of claim 2, wherein: The valve plate is externally provided with a first spring seat and a second spring seat from top to bottom, the first spring seat is fixed with the valve rod, the second spring seat is fixed with the communicating pipe, and the second spring seat is slidably sleeved on the valve rod.

6. The steel segmental tunnel jumbo trolley as claimed in claim 1, wherein: The communicating pipe is provided with a baffle, and the baffle is located below the discharging pipe.

7. The steel segmental lining jumbo of claim 6, characterized in that: The valve rod is externally provided with a bellows which is coaxial with the valve rod, the upper end of the bellows is fixed with the valve plate, and the lower end of the bellows is fixed with the baffle.

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