Outer mold trolley suitable for multi-section super-long open cut tunnel

Abstract

The utility model discloses an outer formwork trolley suitable for a multi-section super-long open cut tunnel. The outer formwork trolley comprises a formwork system, a portal frame system, a hanging frame system, a lifting mechanism, a walking system and a heightening system. The template system is a spliced template; the hanging frame system is used for the portal frame system and the formwork system, the walking system is arranged on the portal frame system and used for driving the whole outer formwork trolley to walk in the longitudinal direction of a tunnel, and the heightening system is detachably arranged between the lifting mechanism and the portal frame system. The lifting mechanism is used for driving the whole outer mold trolley to lift; the lifting mechanism comprises a mounting plate, vertical oil cylinders and jacks, the mounting plate can be detachably connected with the bottom of the portal system or the heightening system, the multiple vertical oil cylinders are arranged in the length direction of the mounting plate at intervals, and the multiple jacks are arranged in the length direction of the mounting plate at intervals. According to the outer mold trolley suitable for the multi-section super-long open cut tunnel, the shape can be changed according to the lining section size, and therefore the requirements of different lining sizes are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lining, specifically relates to a kind of outer mould trolley suitable for multi-section super-long open cut tunnel. BACKGROUND

[0002] In the technical field of tunnel engineering, for specific geological conditions, i.e. the situation that tunnel buried depth is relatively shallow and overburden is relatively thin, to ensure construction safety and avoid natural disasters such as collapse, rockfall, landslide and debris flow caused by slope and upward slope, the traditional subsurface excavation method is obviously no longer applicable. At this time, open cut method should be used for tunnel excavation, and according to engineering terminology, this tunnel structure built by using open cut method is professionally called open cut tunnel. Open cut tunnel structure is known for its excellent overall performance, which can effectively withstand large pressure from vertical and lateral directions.

[0003] Further, in order to efficiently complete the lining work of open cut tunnel, tunnel inner and outer formwork trolley is specially designed. These trolleys are specially designed for open cut tunnel construction to improve construction efficiency and quality.

[0004] However, in actual construction process, especially in the same open cut tunnel engineering, it is often encountered that the lining size changes several times in a short distance. If the traditional tool construction method is used, the outer formwork trolley has to be disassembled and sent back to the factory for size adjustment every time the cross section changes, and then reassembled on site. This process not only seriously slows down the construction speed, but also leads to high construction cost. More seriously, repeated modification of formwork can easily cause formwork deformation, which affects the construction appearance quality and leads to large consumption of raw materials. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a kind of outer mould trolley suitable for multi-section super-long open cut tunnel, which can change shape according to the lining section size, thereby adapting to the demand of different lining sizes.

[0006] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a kind of outer mould trolley suitable for multi-section super-long open cut tunnel, including formwork system, portal system, hanger system, lifting mechanism, walking system and heightening system;The formwork system is spliced formwork;

[0007] The hanger system is used for the portal system and the formwork system, the walking system is arranged on the portal system, for driving the whole outer mould trolley to walk along the tunnel longitudinal direction, the heightening system is detachably arranged between the lifting mechanism and the portal system;

[0008] The lifting mechanism is used for driving the whole outer mold trolley to lift; the lifting mechanism comprises a mounting plate, vertical oil cylinders and jacks, the mounting plate is detachably connected with the bottom of the portal system or the heightening system, the vertical oil cylinders are multiple, and the multiple vertical oil cylinders are arranged along the length direction of the mounting plate at intervals, and the jacks are multiple, and the multiple jacks are arranged along the length direction of the mounting plate at intervals.

[0009] Further, the heightening system comprises multiple heightening boxes with different heights.

[0010] Further, the walking system comprises translation oil cylinders, walking tracks and walking wheel assemblies, the translation oil cylinders are mounted on the mounting plate, the walking wheel assemblies are arranged on the mounting plate, the walking tracks are located below the walking wheel assemblies, the translation oil cylinders can push the walking tracks to move along the longitudinal direction of the tunnel, and the walking wheel assemblies can roll on the walking tracks to advance.

[0011] Further, the formwork system comprises a top formwork, side formworks and a bottom formwork, the top formwork is located at the top, the side formworks are detachably connected to the left and right ends of the top formwork, and the bottom formwork is detachably connected to the bottom ends of the side formworks.

[0012] Further, the hanger system comprises a top formwork connecting frame, side formwork connecting frames, side formwork through beams, side formwork oil cylinders and adjusting lead screws, the top formwork connecting frame is connected between the bottom of the portal system and the top formwork, the side formwork connecting frames are connected between the side edges of the portal system and the side formworks, the side formwork through beams are longitudinally distributed between the side formworks and the portal system and are used for embedding the adjusting lead screws and the side formwork oil cylinders.

[0013] Further, the steel bar anchoring piece is further arranged and used for anchoring the bottom formwork in concrete.

[0014] The utility model discloses beneficial effects:

[0015] The above -mentioned be applicable to multi -section super -long open -cut tunnel outer mold trolley, when construction, concrete load is passed through formwork and is delivered to portal system, finally through walking system and lifting mechanism and is transmitted to ground.

[0016] When needing to change the section size of the trolley, the whole trolley is supported through the vertical oil cylinder, then the heightening system is added or removed at the connecting place of the jacks upper portal system, the connection between the bottom molds of the formwork system is disconnected, and the lower formwork of the lower vertical section is replaced to realize the change of the section size.

[0017] The outer mold trolley is used in the process, the overall height and the section size of the trolley can be changed according to the size of the lining section shape, so that the needs of the lining section change of the construction site are met, and the general requirements of the outer mold trolley are realized, thereby effectively saving the cost, and also avoiding the transportation of multiple outer mold trolleys, and thereby reducing the processing difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application, the drawings needed in the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0019] Figure 1 A front view of the outer mold trolley suitable for the multi-section super-long open-cut tunnel is provided for an embodiment of the present application.

[0020] Figure 2 For Figure 1 A side view of the outer mold trolley suitable for the multi-section super-long open-cut tunnel is shown.

[0021] Reference signs:

[0022] 100, formwork system; 110, top die; 120, side die; 130, bottom die; 200, portal system; 300, hanging rack system; 310, top die connecting frame; 320, side die connecting frame; 330, side die through beam; 340, side die oil cylinder; 350, adjusting screw; 400, lifting mechanism; 410, vertical oil cylinder; 420, jack; 500, walking system; 510, translation oil cylinder; 520, walking wheel assembly; 600, heightening system; 700, steel reinforcement anchoring piece; 800, concrete. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0024] Please see Figures 1 to 2 The present application provides an outer mold trolley suitable for multi-section super-long open-cut tunnel, which comprises a formwork system 100, a portal system 200, a hanging rack system 300, a lifting mechanism 400, a walking system 500 and a heightening system 600.

[0025] The template system 100 is a spliced template. The hanger system 300 is used for the portal system 200 and the template system 100, the walking system 500 is arranged on the portal system 200 and is used for driving the whole outer mold trolley to walk along the longitudinal direction of the tunnel, and the heightening system 600 is detachably arranged between the lifting mechanism 400 and the portal system 200 and can be connected in a bolted connection or clamped connection.

[0026] The lifting mechanism 400 is used for driving the whole outer mold trolley to lift. The lifting mechanism 400 comprises a mounting plate, vertical oil cylinders 410 and jacks 420. The mounting plate can be detachably connected with the bottom of the portal system 200 or the heightening system 600. The vertical oil cylinders 410 are multiple and are arranged along the length direction of the mounting plate at intervals. The jacks 420 are multiple and are arranged along the length direction of the mounting plate at intervals.

[0027] When it is needed to change the section size of the trolley, the whole trolley is supported by the vertical oil cylinders 410, then the heightening system 600 is added or removed at the connection position of the portal system 200 above the jacks 420, the connection between the bottom molds of the template system 100 is disconnected, and the lower template of the lower vertical section is replaced to change the section size.

[0028] By using the above outer mold trolley, during use, the overall height and the section size of the trolley can be changed according to the section shape and size of the lining, so as to meet the needs of the change of the section of the lining at the construction site, and the general requirements of the outer mold trolley are realized, the cost can be effectively saved, the transportation of multiple outer mold trolleys is avoided, and the processing difficulty is reduced.

[0029] In the embodiment, the heightening system 600 comprises multiple heightening boxes with different heights. In specific implementation, different heightening boxes with different heights can be selected according to needs to achieve the purpose of heightening or lowering.

[0030] In the embodiment, the template system 100 comprises a top mold 110, side molds 120 and a bottom mold 130. The top mold 110 is located at the top, the side molds 120 are detachably connected to the left and right of the top mold 110, and the bottom mold 130 is detachably connected to the bottom end of the side molds 120. In specific implementation, the connection mode between the molds can be selected as a bolted connection or a clamped connection.

[0031] In the embodiment, the walking system 500 comprises a translation oil cylinder 510, a walking track and a walking wheel assembly 520. The translation oil cylinder 510 is mounted on the mounting plate, the walking wheel assembly 520 is arranged on the mounting plate, and the walking track is located below the walking wheel assembly 520. The translation oil cylinder 510 can push the walking track to move along the longitudinal direction of the tunnel, and the walking wheel assembly 520 can roll forward on the walking track.

[0032] When the trolley needs to move, the whole trolley is first supported by the vertical oil cylinder 410, then the lower walking track is sent forward by using the translation oil cylinder 510, and the trolley moves forward along the track by the electric brake roller to complete the forward movement.

[0033] In the embodiment, the hanger system 300 comprises a top die connecting frame 310, a side die connecting frame 320, a side die beam 330, a side die oil cylinder 340 and an adjusting screw rod 350, the top die connecting frame 310 is connected between the bottom of the portal system 200 and the top die 110, the side die connecting frame 320 is connected between the side of the portal system 200 and the side die 120, the side die beam 330 is longitudinally distributed between the side die and the portal system 200 and used for embedding the adjusting screw rod 350 and the side die oil cylinder. In use, the side die oil cylinder increases or decreases the oil pressure to make the connected formwork rise or fall.

[0034] In addition, the trolley further comprises a steel bar anchor 700 for anchoring the bottom die 130 in the concrete 800, which can prevent the formwork from floating and transverse displacement.

[0035] The above trolley is suitable for multi-section super-long open-cut tunnel outer formwork trolley:

[0036] During construction, the concrete 800 load is transmitted to the portal system 200 through the formwork, and finally transmitted to the ground through the walking system 500 and the lifting mechanism 400.

[0037] When the trolley needs to move, the whole trolley is first supported by the vertical oil cylinder 410, then the lower walking track is sent forward by using the translation oil cylinder 510, and the trolley moves forward along the track by the electric brake roller to complete the forward movement.

[0038] In use, the overall height and section size of the trolley can be changed according to the shape and size of the lining section, so as to meet the needs of the change of the lining section at the construction site, thereby realizing the general requirement of the outer formwork trolley, effectively saving the cost, avoiding the transportation of multiple outer formwork trolleys, and reducing the processing difficulty.

[0039] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A multi-section super-long open cut tunneling outer mold carriage, characterized in that, The template system, the portal system, the hanging rack system, the lifting mechanism, the walking system and the heightening system are included; the template system is a spliced template; The hanging rack system is used for the portal system and the template system, the walking system is arranged on the portal system and is used for driving the whole outer mold trolley to walk along the longitudinal direction of the tunnel, and the heightening system is detachably arranged between the lifting mechanism and the portal system; The lifting mechanism is used for driving the whole outer mold trolley to lift, the lifting mechanism includes a mounting plate, a vertical oil cylinder and a jack, the mounting plate is detachably connected with the bottom of the portal system or the heightening system, the vertical oil cylinder is multiple, and multiple vertical oil cylinders are arranged along the length direction of the mounting plate at intervals, and the jack is multiple, and multiple jacks are arranged along the length direction of the mounting plate at intervals.

2. The outer mold jumbo table suitable for multi-section super-long tunneling according to claim 1, wherein, The heightening system includes multiple heightening boxes with different heights.

3. The outer mold jumbo table suitable for multi-section super-long tunneling according to claim 1, wherein, The walking system includes a translation oil cylinder, a walking track and a walking wheel assembly, the translation oil cylinder is mounted on the mounting plate, the walking wheel assembly is arranged on the mounting plate, the walking track is located below the walking wheel assembly, the translation oil cylinder can push the walking track to move along the longitudinal direction of the tunnel, and the walking wheel assembly can roll on the walking track and advance.

4. The outer mold jumbo table suitable for multi-section super-long tunneling according to claim 1, wherein, The template system includes a top template, a side template and a bottom template, the top template is located at the top, the side template is detachably connected with the top template at both ends, and the bottom template is detachably connected with the bottom end of the side template.

5. The outer mold jumbo platform suitable for multi-section super-long tunneling according to claim 4, wherein, The hanging rack system includes a top template connecting frame, a side template connecting frame, a side template through beam, a side template oil cylinder and an adjusting screw rod, the top template connecting frame is connected between the bottom of the portal system and the top template, the side template connecting frame is connected between the side of the portal system and the side template, the side template through beam is longitudinally distributed between the side template and the portal system and is used for embedding the adjusting screw rod and the side template oil cylinder.

6. The outer mold jumbo platform suitable for multi-section super-long tunneling according to claim 4, wherein, The steel bar anchor is further included, and the steel bar anchor is used for anchoring the bottom template in the concrete.

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