CN-224228687-U - Adjustable internal mold trolley adapting to different sections

CN224228687UCN 224228687 UCN224228687 UCN 224228687UCN-224228687-U

Abstract

The utility model provides an adjustable internal mold trolley adapting to different sections, which belongs to the technical field of tunnel construction and comprises a cross beam, a door-shaped frame, a top template and a supporting structure, wherein the top frame is fixed at the top end of the cross beam, the top end of the top frame is detachably provided with the top template, a connecting hinge is arranged between a side template and the top template, and the supporting structure comprises a protective shell fixed at one side of the bottom end of the side template, an outer cylinder arranged at the bottom end of the protective shell, a supporting rod connected inside the outer cylinder in a sliding mode and a power assembly arranged inside the protective shell. According to the utility model, the transmission shaft is driven by the gear motor to rotate so as to drive the screw rod to rotate, so that the screw rod drives the support rod to contact with the ground, and the opposite side template is supported and fixed, thereby realizing the bottom support function of the device, effectively dispersing lateral pressure, avoiding the problems of displacement and deformation of the bottom of the template due to uneven stress, reducing slurry leakage, mould expansion and the like, and improving the construction quality of tunnel lining.

Inventors

DAI YI
GENG XIAOQIANG
SHI HAO
LUO XIANG
SHI WEI
HUANG LIJIN
XIE XIANLONG
ZHAO HAILONG
WANG GUOWEI
HUANG YEKE
CAO XINYI
LUO FANGCHENG

Assignees

中铁二局第一工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250521

Claims (6)

1. The utility model provides an adjustable centre form platform truck of adaptation different sections, includes crossbeam (1), its characterized in that still includes: The door-shaped frame (15) is fixed at the top end of the cross beam (1), the top end of the door-shaped frame (15) is fixedly provided with a top frame (10), and the top end of the top frame (10) is detachably provided with a top template (8); The side direction hydraulic cylinders (13) are rotationally connected to two sides of the door-shaped frame (15), the telescopic ends of the side direction hydraulic cylinders (13) are rotationally connected with side templates (7), connecting hinges (11) are arranged between the side templates (7) and the top templates (8), and rubber soft lap joints (6) are arranged at the bottom ends of the side templates (7); The lifting hydraulic cylinder (14) is arranged at the bottom end of one side of the door-shaped frame (15), a supporting upright post (3) is arranged at the telescopic end of the lifting hydraulic cylinder (14), and a movable sleeve (16) connected with the cross beam (1) is connected to the outer side of the supporting upright post (3) in a sliding manner; The translation structure (9) is arranged at the bottom end of the supporting upright post (3) and used for transversely finely adjusting the position of the device; The moving wheel (4) is arranged at the bottom end of the translation structure (9), and a rail (2) is arranged at the bottom end of the moving wheel (4); The support structure (5) is arranged on one side of the bottom end of the side template (7), wherein the support structure (5) comprises a protective shell (503) fixed on one side of the bottom end of the side template (7), an outer cylinder (501) arranged at the bottom end of the protective shell (503), a support rod (507) connected inside the outer cylinder (501) in a sliding manner, and a power assembly arranged inside the protective shell (503); The mounting buckles (12) are respectively fixed on two sides of the top template (8) and the side templates (7).
2. The adjustable internal mold trolley adapting to different sections according to claim 1, wherein the power assembly comprises a gear motor (504) fixed on one side of a protective shell (503), a transmission shaft (502) arranged at the end part of an output shaft of the gear motor (504), a bevel gear set (505) arranged on the outer side of the transmission shaft (502), a screw rod (506) fixed at the bottom end of the bevel gear set (505) and in threaded connection with a supporting rod (507), guide grooves (508) arranged on two sides of the supporting rod (507) and a guide shell (509) fixed on two sides of the inner side of the outer cylinder (501) and in sliding connection with the guide grooves (508).
3. An adjustable internal mold trolley for adapting to different sections according to claim 2, characterized in that the outer cylinders (501) are provided with a plurality of groups at the bottom end of the protective shell (503), and the plurality of groups of outer cylinders (501) are arranged at equal intervals at the bottom end of the protective shell (503).
4. The adjustable internal mold trolley for adapting to different sections according to claim 2, wherein external threads are arranged on the outer side wall of the screw rod (506), and internal threads matched with the external threads are arranged inside the supporting rod (507).
5. An adjustable internal mold trolley for adapting to different sections according to claim 1, characterized in that the translation structure (9) comprises a sliding block (903) fixed at the bottom end of the supporting upright (3), a sliding rail (902) slidingly connected with the inside of the bottom end of the sliding block (903), a fixed base (901) fixed at the outer side of the sliding rail (902) and connected with the moving wheel (4), and a translation hydraulic cylinder (904) installed at one side of the fixed base (901) and connected with the telescopic end and the sliding block (903).
6. The adjustable internal mold trolley for adapting to different sections according to claim 5, wherein the sliding rails (902) are symmetrically distributed on the vertical center line of the sliding block (903), and the front cross section of the sliding rails (902) is in an I-shaped structure.

Description

Adjustable internal mold trolley adapting to different sections Technical Field The utility model relates to the technical field of tunnel construction, in particular to an adjustable internal mold trolley suitable for different sections. Background The method has the advantages that the defects of low operation efficiency, high labor intensity of workers, fixed size, incapability of adapting to tunnel construction with clearance size change and the like of the internal mold trolley still commonly exist at present due to the fact that the engineering amount of expressway, high-speed railway, urban subway and river-crossing tunnel construction is increased and the construction period is accelerated since China enters the 21 st century, so that the adjustable internal mold trolley is arranged, frequent disassembly and assembly of the traditional trolley due to section change are reduced, the construction period is shortened, and the construction quality is guaranteed. One chinese patent with publication No. CN 207974147U discloses an internal mold trolley for cast-in-situ utility tunnel construction, which structurally comprises a self-propelled device, a hydraulic support device, an arch, a top column, a beam frame, a support frame, a connecting plate, a support column, a bearing box, an oil guide pipe, an oil tank, an inductor, a self-propelled controller and a partial pressure bearing plate, wherein the top of the hydraulic support device is connected with the bearing box and mutually perpendicular, the beam frame is arranged on the inner surface of the arch, and welding is adopted, the internal mold trolley for cast-in-situ utility tunnel construction of the utility model, the hydraulic supporting device is independently arranged on the structure, the self-propelled controller is controlled to move the arch frame into the comprehensive pipe gallery, oil is controlled to be guided into the oil cavity through the oil tank after cement pouring by the oil injection port, the piston rod is jacked up through the mutual cooperation of the oil cavity and the sealing ring, and then the jacking block jacks up the bearing box and the supporting column to realize demolding and formwork erection, so that the defects in the aspect of hydraulic supporting of the inner mold trolley are overcome, demolding and formwork erection are more convenient, and the application range is increased. The patent still has the defect that the side template is not firmly supported, and because the side pressure generated by the concrete is larger when the concrete is poured, the side template is easy to displace, deform and even partially collapse after being stressed, and especially in the construction of a large-section tunnel, the problem of weak links of the side template can be further amplified, so that the quality problems of slurry leakage at the joints of the template, honeycomb pitting surfaces on the surface of the concrete and the like are caused. Disclosure of utility model The utility model provides an adjustable internal mold trolley adapting to different sections, which solves the problems raised by the background technology. In order to solve the technical problems, the technical scheme of the utility model is as follows: The embodiment of the utility model provides an adjustable internal mold trolley adapting to different sections, which comprises a cross beam and further comprises: A door-shaped frame fixed at the top end of the cross beam, and a top frame fixed at the top end of the door-shaped frame, a top template is detachably arranged at the top end of the top frame; The side hydraulic cylinders are rotationally connected to two sides of the door-shaped frame, the telescopic ends of the side hydraulic cylinders are rotationally connected with side templates, connecting hinges are arranged between the side templates and the top templates, and rubber soft lap joints are arranged at the bottom ends of the side templates; The lifting hydraulic cylinder is arranged at the bottom end of one side of the door-shaped frame, a supporting upright post is arranged at the telescopic end of the lifting hydraulic cylinder, and a movable sleeve connected with the cross beam is connected to the outer side of the supporting upright post in a sliding manner; the translation structure is arranged at the bottom end of the supporting upright post and used for transversely finely adjusting the position of the device; the movable wheel is arranged at the bottom end of the translation structure, and the bottom end of the movable wheel is provided with a rail; The support structure is arranged on one side of the bottom end of the side template, and comprises a protective shell fixed on one side of the bottom end of the side template, an outer cylinder arranged at the bottom end of the protective shell, a support rod in sliding connection with the inner part of the outer cylinder and a power assembly arranged in the protective shell; And th