CN-224228670-U - Reinforcement device for turnout zone of underpass railway

Abstract

The utility model discloses a reinforcing device for a turnout zone of a underpass railway, which comprises a support splicing assembly, a bottom plate arranged on the support splicing assembly, a lower guide beam arranged on the top of the bottom plate and a main lower beam symmetrically distributed; the utility model has the advantages that a firm foundation is provided for the whole device by supporting the splicing assembly, the structures such as the lower guide beam, the main lower beam, the guide beam upright post, the main beam upright post and the like can be used for effectively supporting the soil pressure and the vehicle load transmitted from the side face and the top, the stability is further enhanced, the shield roof and each part are cooperated to work, the complex stress condition of a railway turnout area can be better met, the steel structure sub shield is combined with the reinforced concrete structure and is integrally poured with the frame main body, the integral strength and the stability of the structure are greatly improved, the reinforced concrete structure is increased in rigidity, and meanwhile, the reinforced concrete structure and the frame main body form a whole body, can bear larger external load, and the requirement of strict sedimentation control of the railway turnout area is met.

Inventors

• XU JIALE
• Yang Gongqin
• NIU GUOLIANG
• Zong Leiming
• CHEN HAILONG
• HUANG ZICHEN

Assignees

• 南昌铁路勘测设计院有限责任公司

Dates

Publication Date

20260512

Application Date

20250509

Claims (8)

1. 1. The reinforcing device for the turnout zone of the underpass railway is characterized by comprising a supporting and splicing assembly, a bottom plate (61) arranged on the supporting and splicing assembly, a lower guide beam (62) arranged at the top of the bottom plate (61) and a symmetrically distributed main lower beam (64), guide beam stand columns (63) symmetrically arranged at the top of the lower guide beam (62), main beam stand columns (66) arranged at the top of the two main lower beams (64), sliding plates (70) arranged at the top of the two guide beam stand columns (63), main upper beams (67) arranged at the top of the two main beam stand columns (66), a shield roof (69) arranged at the top of the two main upper beams (67), wherein the shield roof (69) is positioned above the sliding plates (70), and further comprising The driving component is arranged at the top of the sliding plate (70), the sliding frame (71) is arranged at the output end of the driving component, the sliding frame (71) is in sliding connection with the sliding plate (70), and the sub shield cutting edge (72) is arranged on the sliding frame (71) and used for cutting a rock-soil body.
2. 2. The turnout zone reinforcement for a underpass railway of claim 1, further comprising a first main girder tie beam (65) disposed between the two main lower girders (64), wherein the first main girder tie beam (65) is detachably connected to the bottom plate (61).
3. 3. The turnout zone reinforcement for a underpass railway of claim 1, further comprising a second main girder tie beam (68) disposed between the two main upper girders (67), wherein the second main girder tie beam (68) is detachably connected to the shield top plate (69).
4. 4. The apparatus of claim 1, wherein the driving member is one of an oil cylinder and a jack.
5. 5. The turnout zone reinforcing apparatus for a underpass railway according to claim 1, further comprising a plurality of fastening blocks (73) installed at the bottom of the runner (71), fastening grooves (730) formed at the front surfaces of the fastening blocks (73), and rollers (74) installed on the fastening grooves (730).
6. 6. The device for reinforcing a turnout zone of a underpass railway according to claim 1, wherein the supporting and splicing assembly comprises a bottom frame (1), a U-shaped steel (2) arranged at the top end of the bottom frame (1), and a top frame (5) arranged at the top end of the U-shaped steel (2) and detachably connected with a bottom plate (61).
7. 7. The turnout zone reinforcing apparatus for a underpass railway as claimed in claim 6, further comprising two fasteners (8) mounted on the U-shaped steel (2), one fastener (8) being fixedly connected to the top frame (5) and the other fastener (8) being fixedly connected to the bottom frame (1).
8. 8. The device for reinforcing a turnout zone of a underpass railway according to claim 6, further comprising a fastening seat (31) mounted on the inner side surface of the U-shaped steel (2), fastening holes (310) formed in the inner side surface of the fastening seat (31), rib plates (3) formed on the fastening seat (31), a plurality of connecting rods (4) formed on the underframe (1) and the rib plates (3), and fastening lugs (41) formed on the connecting rods (4).

Description

Reinforcement device for turnout zone of underpass railway Technical Field The utility model belongs to the technical field of turnout zone reinforcement, and particularly relates to a turnout zone reinforcement device for a underpass railway. Background The application of the shield technology in jacking construction is a new trend of the jacking construction development, and the shield method is designed with a perfect soil pressure balance system and an excavation protection system, so that the influence on the ground surface at a working point is reduced, the construction safety is improved, and the method becomes a development direction of the jacking construction. In order to apply the principle of the shield method to the construction of the underpass jacking, a plurality of beneficial researches are carried out by civil workers, the bridge shield method is a more simple, convenient and feasible economic and reasonable form of the construction of the frame bridge shield method, the shield in the traditional sense is further improved and perfected, the working principle of the bridge shield method is the same as the open shield principle of the natural balance method or the semi-natural balance method, but the construction cost is lower, the operation requirement is not very high, the bridge shield method can be flexibly assembled according to different section forms of the frame bridge, the bridge jacking construction under the condition of continuously changing section sizes is more suitable, and the adaptability is greatly improved, so that the bridge shield method is suitable for the requirements of the current construction. The bridge shield construction method for the box bridge with the patent publication number of CN100535392C comprises the following steps of excavating a foundation pit on the road section side of the box bridge to be constructed according to the design height of the box bridge, manufacturing a sliding plate according to the length of the bridge, prefabricating the box bridge according to the design requirement, manufacturing a shield according to the height and the width of the box bridge, performing shield installation, performing reinforcement treatment on a line according to the requirement, performing cyclic box bridge jacking operation according to the sequence of sub-shield tunneling, center soil digging, axis measurement, box bridge jacking, jacking correction and line maintenance, recovering the normal operation of the line after the box bridge jacking in place, and removing the shield. Disclosure of utility model The utility model aims to provide a reinforcing device for a turnout zone of a downward passing railway, which ensures the running safety of the existing railway during the downward passing railway by a subsurface excavation method, reduces construction risks and reduces the influence on the existing railway equipment. The utility model provides a technical scheme that the underpass railway turnout zone reinforcing device comprises a support splicing assembly, a bottom plate arranged on the support splicing assembly, a lower guide beam arranged at the top of the bottom plate, a main lower beam symmetrically distributed, guide beam upright posts symmetrically arranged at the top of the lower guide beam, main beam upright posts arranged at the top of two main lower beams, sliding plates arranged at the top of the two guide beam upright posts, main upper beams arranged at the top of the two main beam upright posts, shield roof plates arranged at the top of the two main upper beams, and shield roof plates positioned above the sliding plates; and also comprises The driving component is arranged at the top of the sliding plate, the sliding frame is arranged at the output end of the driving component, the sliding frame is connected with the sliding plate in a sliding way, and the sliding frame is arranged on the sliding frame and is used for cutting the sub shield cutting edge of the rock-soil body. Preferably, the system further comprises a first girder tie beam arranged between the two main lower beams, and the first girder tie beam is connected with the bottom plate in a dismounting way. Preferably, the shield top plate shield structure further comprises a second girder tie beam arranged between the two main upper beams, and the second girder tie beam is connected with the shield top plate in a dismounting mode. Preferably, the driving component is one of an oil cylinder and a jack. Preferably, the roller further comprises a plurality of fastening blocks arranged at the bottom of the sliding frame, fastening grooves formed in the front surfaces of the fastening blocks, and rollers arranged on the fastening grooves. Preferably, the supporting and splicing assembly comprises a bottom frame, U-shaped steel arranged at the top end of the bottom frame, and a top frame arranged at the top end of the U-shaped steel and connected with the bottom plate in a disassembling