CN213116337U

CN213116337U - Special tunnel lining platform truck of foldable widening section

Info

Publication number: CN213116337U
Application number: CN202021234080.4U
Authority: CN
Inventors: 秦伟
Original assignee: Huaihua Zhongjian Machinery Steel Mould Manufacturing Co ltd
Current assignee: Huaihua Zhongjian Machinery Steel Mould Manufacturing Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-05-04
Anticipated expiration: 2030-06-29

Abstract

The invention discloses a folding type widening section special tunnel lining trolley which comprises a template and a main portal, wherein the template and the main portal can be arranged on the inner wall of a tunnel; the template comprises a vault template and a side template, and the main portal comprises a portal beam, a portal upright post and a portal diagonal brace arranged between the portal beam and the portal upright post; one side of the main portal frame is connected with an auxiliary portal frame in a folding way; a template bracket beam is arranged above the portal beam, and a linear reciprocating motion actuating mechanism IV is arranged between the portal beam and the template bracket beam; a first linear reciprocating motion executing mechanism is arranged between the telescopic arm and the template bracket beam; in the whole construction process, repeated assembly and disassembly are not needed, the construction of the widened section of the whole tunnel can be completed only by once mold installation and once mold disassembly, and if the continuous tunnel construction is adopted, the tunnel can be opened from the previous tunnel to the next tunnel without assembly and disassembly; the construction efficiency of the existing tunnel widening section is greatly improved.

Description

Special tunnel lining platform truck of foldable widening section

Technical Field

The utility model belongs to the technical field of tunnel construction equipment, specifically be a special tunnel lining platform truck of foldable widening section.

Background

The tunnel lining trolley is special equipment which must be used in secondary lining in the tunnel construction process and is used for concrete lining construction of the inner wall of the tunnel. The concrete lining trolley is an indispensable non-standard product for secondary lining in the tunnel construction process and mainly comprises a simple lining trolley, a full-hydraulic automatic walking lining trolley and a net frame type lining trolley; in the working process of the tunnel lining trolley for the current tunnel construction, the following problems exist:

1. there are constructions that aim at employing special equipment: in the tunnel construction process, after a first widening section construction point is implemented, the template needs to be integrally disassembled, the template can be conveyed to the next widening section construction point through a channel of the existing tunnel, concrete pouring construction can be implemented only through integral assembling again, and in the whole tunnel widening section construction, the template is repeatedly disassembled and assembled, so that the construction procedure is complex, the efficiency is low, the labor cost is high, and the construction effect is poor.

2. Aiming at the construction without adopting special equipment: for some construction projects with short and few tunnel lengths, a special widening section lining trolley is not customized in order to save construction cost, but on the basis of the original tunnel lining trolley, supports are added by supports to carry out widening section construction, so that slab staggering at a joint where a template and poured concrete are butted is serious, the treatment difficulty is high, and the construction mode can also cause damage to the original lining trolley.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problems, and provides a special tunnel lining trolley for a folding widening section, which can complete the construction of the widening section part of the whole tunnel by only one-time mold loading and one-time mold unloading without repeated assembly and disassembly in the whole construction process, and can be opened from the previous tunnel to the next tunnel without assembly and disassembly for continuous tunnel construction; the construction efficiency of the existing tunnel widening section is greatly improved.

In order to realize the above purpose, the utility model adopts the technical scheme that: a folding tunnel lining trolley special for a widening section comprises a template and a main portal, wherein the template and the main portal can be arranged on the inner wall of a tunnel; the template comprises a vault template and a side template, and the main portal comprises a portal beam, a portal upright post and a portal diagonal brace arranged between the portal beam and the portal upright post; one side of the main portal frame is connected with an auxiliary portal frame in a folding manner; a template bracket beam is arranged above the portal beam, and a linear reciprocating motion actuating mechanism IV is arranged between the portal beam and the template bracket beam; a first linear reciprocating motion executing mechanism is arranged between the telescopic arm and the template bracket beam; a lock rod is arranged between the tail end of the telescopic arm and the cross beam of the template bracket, and pressing beams are arranged at two ends of the lock rod; when the auxiliary door frame is unfolded, a transverse trolley is arranged between the front end of the telescopic arm and the auxiliary door frame; and a second linear reciprocating motion executing mechanism and a third linear reciprocating motion executing mechanism are respectively arranged between the template bracket beam and the arch crown template and between the upper parts of the telescopic arms and the arch crown template.

Furthermore, one end of the telescopic arm is connected with an inverted roller for preventing overturning on the cross beam of the template bracket.

Furthermore, a lifting executing mechanism is arranged between the main portal frame and the auxiliary portal frame and the ground in the tunnel.

Furthermore, the lifting execution mechanism is a lifting oil cylinder.

Furthermore, a fifth linear reciprocating motion executing mechanism for reinforcing is arranged between the main door frame and the side face template, and between the auxiliary door frame and the side face template.

Furthermore, the linear reciprocating motion actuating mechanism is a hydraulic oil cylinder.

Further, a roller seat convenient for parallel movement is arranged between the template bracket beam and the portal frame beam.

Furthermore, the traversing trolley is a roller seat structure with a support frame.

Furthermore, the first linear reciprocating motion executing mechanism, the second linear reciprocating motion executing mechanism, the third linear reciprocating motion executing mechanism and the fourth linear reciprocating motion executing mechanism are all hydraulic oil cylinders.

The utility model has the advantages that: the device of the utility model is special for equipment, and the construction of the widened section of the whole tunnel can be completed only by once die assembly and die disassembly without repeated assembly and disassembly in the whole construction process, and if the construction is a continuous tunnel, the tunnel A can be directly opened to the tunnel B without assembly and disassembly; meanwhile, the construction efficiency is improved, and the labor cost is greatly reduced.

Drawings

Fig. 1 is a schematic view of the structural connection relationship of the present invention.

Fig. 2 is a schematic structural view of the auxiliary door frame 2 of the present invention.

In the figure: 1. a main gantry; 2. a sub-portal; 3. a template; 4. a ground surface; 5. a tunnel; 6. transversely moving the trolley; 7. a telescopic arm; 8. a vault template; 9. a side template; 10. a template bracket cross-beam; 11. a first linear reciprocating motion executing mechanism; 12. a second linear reciprocating motion executing mechanism; 13. a third linear reciprocating motion executing mechanism; 14. a fourth linear reciprocating motion executing mechanism; 15. a linear reciprocating motion actuating mechanism V; 16. hanging the roller upside down; 17. pressing the beam; 18. a lock lever; 19, a lifting actuating mechanism; 20. a gantry beam; 21. a gantry diagonal brace; 22. a portal column; 23. a roller seat; 24. a main hole profile; 25. the band profile is widened.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-2, the specific structure of the present invention is: a folding tunnel lining trolley special for a widening section comprises a template 3 and a main portal frame 1, wherein the template 3 and the main portal frame can be arranged on the inner wall of a tunnel 5; the template 3 comprises a vault template 8 and a side template 9, and the main gantry 1 comprises a gantry beam 20, a gantry upright 22 and a gantry diagonal brace 21 arranged between the gantry beam 20 and the gantry upright 22; one side of the main portal 1 is connected with an auxiliary portal 2 in a folding way; a template bracket beam 10 is arranged above the portal beam 20, and a linear reciprocating motion actuating mechanism IV 14 is arranged between the portal beam 20 and the template bracket beam 10; a telescopic arm 7 is arranged above the template bracket beam 10 and close to one side of the auxiliary portal 2, and a linear reciprocating motion actuating mechanism I11 is arranged between the telescopic arm 7 and the template bracket beam 10; a lock rod 18 is arranged between the tail end of the telescopic arm 7 and the template bracket beam 10, and two ends of the lock rod 18 are provided with pressing beams 17; a transverse trolley 6 is arranged between the front end of the telescopic arm 7 and the auxiliary portal frame 2 in the unfolded state of the auxiliary portal frame 2; a second linear reciprocating motion executing mechanism 12 and a third linear reciprocating motion executing mechanism 13 are respectively arranged between the formwork bracket beam 10 and the upper part of the telescopic arm 7 and the arch crown formwork 8.

In order to further improve the structural stability of the device during installation and construction, one end of the telescopic arm 7 is connected with an overturning-prevention roller 16 on the formwork bracket beam 10.

In order to adjust the height of the whole widening section lining trolley, a lifting execution mechanism 19 is arranged between the main portal frame 1 and the auxiliary portal frame 2 and the ground 4 in the tunnel 5.

Preferably, the lifting actuator 19 is a lifting cylinder.

In order to realize that the device slightly adjusts and reinforces the size of the side formwork 9 and achieve a construction state, a linear reciprocating motion actuating mechanism five 15 for reinforcement is arranged between the main portal 1 and the auxiliary portal 2 and the side formwork 9.

Preferably, the linear reciprocating actuator five 15 is a hydraulic oil cylinder.

Preferably, a roller mount 23 for facilitating parallel movement is provided between the formwork bracket beam 10 and the formwork bracket beam 20.

Preferably, the traverse trolley 6 is a roller seat structure with a support frame.

Preferably, the first linear reciprocating actuator 11, the second linear reciprocating actuator 12, the third linear reciprocating actuator 13 and the fourth linear reciprocating actuator 14 are all hydraulic oil cylinders.

When the device works, the template is unfolded: the main structure of the portal frame is assembled firstly, the auxiliary portal frame is folded beside the main portal frame, then the template bracket beam is installed, the telescopic arm is installed above the template bracket beam, and then the template is installed. The telescopic boom is extended outwards (the hanging roller wheel is reversely buckled above the template bracket beam while extending out to prevent the telescopic boom from overturning) through external power of a hydraulic oil cylinder, so that the auxiliary door frame has enough space to be opened, and the transverse moving trolley on the telescopic boom falls above the auxiliary door frame to play a role in supporting and fixing; then sequentially unfolding the arch crown template by using a second hydraulic oil cylinder and a third hydraulic oil cylinder to enable the arch crown template to reach the required size; and the lifting oil cylinder adjusts the height of the whole widening section lining trolley, then the center line of the tunnel is adjusted through the four hydraulic oil cylinders, and finally the size of the side formwork is slightly adjusted and reinforced through the four hydraulic oil cylinders to achieve a construction state. And (3) recovering the template: and after the next working point is finished, the template is withdrawn in the reverse order.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A folding tunnel lining trolley special for a widening section comprises a template (3) and a main portal (1), wherein the template (3) can be arranged on the inner wall of a tunnel (5); the template (3) comprises a vault template (8) and a side template (9), and the main gantry (1) comprises a gantry beam (20), a gantry upright (22) and a gantry diagonal brace (21) arranged between the gantry beam (20) and the gantry upright (22); the device is characterized in that one side of the main portal (1) is connected with an auxiliary portal (2) in a folding manner; a template bracket beam (10) is arranged above the gantry beam (20), and a linear reciprocating motion actuating mechanism IV (14) is arranged between the gantry beam (20) and the template bracket beam (10); a first linear reciprocating motion executing mechanism (11) is arranged between the telescopic arm (7) and the template bracket beam (10); a lock rod (18) is arranged between the tail end of the telescopic arm (7) and the template bracket beam (10), and two ends of the lock rod (18) are provided with pressing beams (17); a transverse trolley (6) is arranged between the front end of the telescopic arm (7) and the auxiliary gantry (2) in the unfolded state of the auxiliary gantry (2); and a second linear reciprocating motion executing mechanism (12) and a third linear reciprocating motion executing mechanism (13) are respectively arranged between the upper parts of the template bracket beam (10) and the telescopic arm (7) and the arch crown template (8).

2. A collapsible widening section-specific tunnel lining trolley according to claim 1, characterized in that one end of the telescopic boom (7) is connected to the formwork bracket beam (10) with an anti-overturning hanging roller (16).

3. The folding type widening section special tunnel lining trolley as claimed in claim 1, wherein a lifting actuating mechanism (19) is arranged between the main portal (1) and the auxiliary portal (2) and the ground (4) in the tunnel (5).

4. A collapsible widening section-specific tunnel lining trolley according to claim 3, characterized in that the lifting actuators (19) are lifting cylinders.

5. The folding type widening section special tunnel lining trolley as claimed in claim 1, wherein a linear reciprocating motion actuator five (15) for reinforcement is arranged between the main portal frame (1) and the auxiliary portal frame (2) and the side formwork (9).

6. The folding type widened section special tunnel lining trolley according to claim 5, wherein the linear reciprocating motion executing mechanism five (15) is a hydraulic oil cylinder.

7. A collapsible widening section-specific tunnel lining trolley according to claim 1, characterized in that roller seats (23) facilitating parallel movement are provided between the formwork support beam (10) and the framework beam (20).

8. A collapsible tunnel lining trolley for a widened section according to claim 1, characterized in that said traversing trolley (6) is a roller base structure with supporting frame.

9. The special folding type widened tunnel lining trolley according to claim 1, wherein the first linear reciprocating actuator (11), the second linear reciprocating actuator (12), the third linear reciprocating actuator (13) and the fourth linear reciprocating actuator (14) are all hydraulic oil cylinders.