CN212716661U

CN212716661U - External contraction type tunnel center ditch post forming template of slide rail

Info

Publication number: CN212716661U
Application number: CN202021106424.3U
Authority: CN
Inventors: 毛成宝; 许思军; 郑怀臣; 张维颂; 杨文顺
Original assignee: Hunan Wuxin Formwork Co Ltd
Current assignee: Hunan Wuxin Formwork Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-16
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an external contraction type tunnel center ditch post forming template of slide rail, relate to tunnel construction technical field, it is including being used for the first forming template of center ditch one-time casting shaping, first forming template upper end is accomodate the setting through loose pulley assembly and is used for the second forming template of center ditch post casting shaping, loose pulley assembly includes pulley holder and pulley, pulley holder sets up on first forming template both sides tip lower surface, the pulley can change the contact square down second forming template upper end, first forming template includes first longeron, first side template and second side template set up relatively and all be connected with tip under first longeron both sides and its lower tip. The utility model relates to a science, convenient to use can directly carry out the secondary on one shot forming's central ditch and pour the shaping after the shaping is once pour to the central ditch, satisfies the construction requirement, avoids hindering the construction process, reduces intensity of labour, improves work efficiency.

Description

External contraction type tunnel center ditch post forming template of slide rail

Technical Field

The utility model relates to a tunnel construction technical field specifically is an external contraction type tunnel centre ditch post forming template of slide rail.

Background

In the excavation work progress in tunnel, need excavate the excavation section earlier, excavate the back and set up the primary layer with cement in the construction of excavation department, because the thickness ratio of primary layer muddy earth is thin, its intensity is not enough, consequently, for the intensity of guaranteeing whole engineering, still need be at primary layer surface construction inverted arch layer, still need be constructed the filling layer on the inverted arch layer afterwards, can accomplish the construction in tunnel finally, wherein the cement model that primary layer, inverted arch layer and filling layer used is inequality. A central ditch is formed in part of the filling layer, the central ditch is constructed according to design requirements, and the central ditch is mainly used for draining water.

At present, the central trench is mainly formed by pouring a template once, but in the prior art, the central trench formed by pouring once often cannot meet the requirements of tunnel construction, and at this time, the central trench needs to be formed twice, but in the existing central trench forming template, the existing central trench template cannot meet the requirements of secondary forming on the central trench.

Therefore, the tunnel center ditch secondary forming template is provided, after the center ditch is formed by one-step casting, secondary casting forming can be directly carried out on the basis of the center ditch formed by one-step casting, the construction requirements and the customer requirements are met, meanwhile, time and labor are saved, delay of the construction process is avoided, and the technical problem to be solved by technical personnel in the field is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide an external contraction type tunnel center ditch post forming template of slide rail, its design science, convenient to use can directly carry out the secondary on the basis of one shot forming's center ditch and pour the shaping after the shaping is once pour to the center ditch, satisfies construction requirements and customer's requirement, simultaneously, labour saving and time saving avoids hindering the construction process, reduces intensity of labour, improves work efficiency.

In order to realize the above purpose, the utility model adopts the technical scheme that: the utility model provides an external contraction type tunnel center ditch post forming template of slide rail, it is including being used for the first forming template of center ditch one-time casting shaping, and first forming template upper end is accomodate the setting through loose pulley assembly and is used for center ditch post forming's second forming template, and loose pulley assembly includes pulley support and pulley, and the pulley support sets up on first forming template both sides protrusion end bottom, and the pulley can rotate and touch and press below second forming template upper end.

As the utility model discloses a further optimization, first forming die board includes first longeron, first side template and second side template, and first side template and second side template set up relatively in first longeron both sides and its lower tip all with first longeron end connection down.

As the utility model discloses a further optimization, the second forming die plate includes second longeron, third side template, fourth side template, and third side template and fourth side template set up relatively in second longeron both sides and its lower tip all with the second longeron under the tip connection.

As the utility model discloses a further optimization, third side template and fourth side template top upper surface all are provided with the slide rail, and the slide rail matches the setting with the pulley.

As the utility model discloses a further optimization is provided with the mould mechanism of receiving between third side template and the fourth side template, and the mould mechanism of receiving is one of hydraulic cylinder mechanism, electric telescopic handle mechanism, chain block mechanism.

As the utility model discloses a further optimization, the one end that second shaping template was kept away from to first shaping template is provided with articulated ear seat, and first shaping template is articulated through articulated ear seat and inverted arch template.

As the utility model discloses a further optimization, a tip of second shaping template is provided with walking frame subassembly, and walking frame subassembly is including installing in the lift cylinder of second shaping template side, lift cylinder telescopic shaft end connection walking support, and the inside rotation of walking wheel support sets up the walking wheel.

The utility model has the advantages that: the utility model provides an external contraction type tunnel center ditch post forming template of slide rail, its design science, convenient to use can directly carry out the secondary on the basis of one shot forming's center ditch and pour the shaping after the shaping at center ditch one shot, satisfies construction requirements and customer's requirement, and simultaneously, labour saving and time saving avoids hindering the construction process, reduces intensity of labour, improves work efficiency.

1. In the utility model, the top of the first forming template is accommodated and arranged with the second forming template for secondary casting of the central ditch through the pulley component, the pulley component comprises a pulley bracket and a pulley, the pulley bracket is arranged on the lower surface of the two side ends of the first forming template, and the pulley can rotate to touch and press the upper end of the lower second forming template, after the central ditch is cast for the first time by adopting the first forming template, the first forming template and the second forming template are dragged to do horizontal linear motion by the walking trolley of the trestle, at the moment, the second forming template slides out horizontally from the top of the first forming template, moves to the position of the once-formed central ditch which is just cast, and then carries out secondary casting operation of the central ditch, compared with the prior art, the utility model discloses can directly carry out secondary casting on the basis of the once-formed central ditch, and meets the construction requirements and the customer requirements, meanwhile, time and labor are saved, the construction process is prevented from being delayed, the labor intensity is reduced, and the working efficiency is improved.

2. The utility model discloses external formula is provided with loose pulley assembly and slide rail in, loose pulley assembly includes pulley bracket and pulley, the top roll-off of second shaping template of assistance from first shaping template that can convenient and fast, slide rail and pulley match the setting, the slide rail can play the direction and strengthen the technological effect of stationarity, and loose pulley assembly and slide rail exposed setting, the staff can be very convenient maintain, dismantle and change loose pulley assembly, it is also very convenient to the washing and the cleanness of slide rail.

Drawings

Fig. 1 is a schematic view of the top view structure of the present invention.

Fig. 2 is a schematic view of the depression structure in the contracted state of the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is the utility model discloses well first shaping template looks sideways at the structure sketch map when pouring the shaping for the first time.

Fig. 5 is a schematic structural diagram of a second molding plate side of the present invention.

Fig. 6 is the utility model discloses well second shaping template looks sideways at the structure sketch map when pouring the shaping for the second time.

Fig. 7 is a schematic view of a front view structure of the middle traveling carriage assembly of the present invention.

Fig. 8 is a schematic view of the structure of the pulley assembly of the present invention.

The text labels in the figures are represented as: 1. a first forming template; 10. a first stringer; 11. a first side form; 12. a second side form; 13. a slide rail; 14. a hinged ear mount; 2. a second forming template; 20. a second stringer; 21. a third side template; 22. a fourth side template; 23. a mould retracting mechanism; 24. a sheave assembly; 2401. a pulley bracket; 2402. a pulley; 3. an inverted arch template; 4. a travelling wheel frame assembly; 40. a traveling wheel bracket; 41. lifting the oil cylinder; 42. and (5) traveling wheels.

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. 1-8, the specific structure of the present invention is: it includes the first shaping template 1 that is used for the shaping of once pouring of center ditch, and the setting is used for the shaping second shaping template 2 of once pouring of center ditch is accomodate through loose pulley assembly 24 in first shaping template 1 top, and loose pulley assembly 24 includes pulley support 2401 and pulley 2402, and pulley support 2401 sets up on the bottom of the protruding end in first shaping template 1 both sides, just pulley 2402 can change the square lower side and form 2 upper end portion, it needs to explain that loose pulley assembly 24 also can adopt the mode setting that pulley support 2401 and pulley 2402 mounted position are traded, can play supplementary gliding technological effect equally.

Referring to fig. 3 and 4, the first forming mold plate 1 includes a first longitudinal beam 10, a first side mold plate 11 and a second side mold plate 12, the first side mold plate 11 and the second side mold plate 12 are oppositely disposed on two sides of the first longitudinal beam 10, and lower ends of the first side mold plate 11 and the second side mold plate 12 are connected to a lower end of the first longitudinal beam 10.

Referring to fig. 5 and 6, the second forming mold 2 includes a second longitudinal beam 20, a third side mold 21, and a fourth side mold 22, wherein the third side mold 21 and the fourth side mold 22 are disposed at two opposite sides of the second longitudinal beam 20, and lower ends of the third side mold 21 and the fourth side mold 22 are connected to a lower end of the second longitudinal beam 20.

Referring to fig. 5 and 6, the top surfaces of the third side template 21 and the fourth side template 22 are provided with slide rails 13, and the slide rails 13 are matched with the pulleys 2402.

Referring to fig. 5 and 6, a mold retracting mechanism 23 is disposed between the third side mold plate 21 and the fourth side mold plate 22, the mold retracting mechanism 23 is one of a hydraulic cylinder mechanism, an electric telescopic rod mechanism and a chain hoist mechanism, after the pouring is completed, the third side mold plate 21 and the fourth side mold plate 22 are retracted through the mold retracting mechanism 23, the third side mold plate 21 and the fourth side mold plate 22 are retracted to be close to each other, the device is integrally lifted through a trestle trolley of the trestle, and the third side mold plate 21 and the fourth side mold plate 22 are separated from the concrete, so that the demolding operation is effectively performed, the molded surfaces of the poured third side mold plate 21 and the fourth side mold plate 22 can be effectively prevented from being pressed to the outside in the lifting motion, the pouring stability and reliability of the central trench are improved, and the construction quality is improved.

Referring to fig. 1 and 2, a hinge lug 14 is disposed at an end of the first forming template 1 away from the second forming template 2, and the first forming template 1 is hinged to the inverted arch template 3 through the hinge lug 14.

Referring to fig. 7, a traveling wheel frame assembly 4 is disposed at one end of the second molding plate 2, the traveling wheel frame assembly 4 includes a lifting cylinder 41 installed at the side end of the second molding plate 2, a traveling wheel support 40 is connected to an end of a telescopic shaft of the lifting cylinder 41, a traveling wheel 42 is rotatably disposed inside the traveling wheel support 40, similarly, one end of the second molding plate 2 may also be directly connected to a traveling trolley on a trestle, and the traveling trolley on the trestle drives the device to move integrally.

The utility model discloses concrete theory of operation: the top of the first forming template 1 is accommodated and arranged with a second forming template 2 for secondary casting of a central trench through a pulley component 24, the pulley component 24 comprises a pulley bracket 2401 and a pulley 2402, the pulley bracket 2401 is arranged on the lower surface of the end part at both sides of the first forming template 1, the pulley 2402 can rotate to press the upper end part of the second forming template 2 downwards, the first forming template 1 comprises a first longitudinal beam 10, a first side template 11 and a second side template 12, the first side template 11 and the second side template 12 are oppositely arranged at both sides of the first longitudinal beam 10, the lower end parts of the first side template and the second side template are connected with the lower end part of the first longitudinal beam 10, in the construction process, after the central trench is cast for the first time by the first forming template 1, the first forming template 1 and the second forming template 2 are driven by a walking trolley of a trestle, at this time, the second forming template 2 slides out from the top of the second forming template 1 and moves to the position of the once-, then carry out the central ditch secondary and pour the shaping operation, compare with prior art, the utility model discloses can directly carry out the secondary on the basis of one shot forming's central ditch and pour the shaping, satisfy construction requirement and customer's requirement, simultaneously, labour saving and time saving avoids hindering the construction process, reduces intensity of labour, improves work efficiency.

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. The utility model provides an external contraction type tunnel center ditch post forming template of slide rail, its characterized in that, is including being used for first shaping template (1) of center ditch one-time casting shaping, pulley assembly (24) are crossed to first shaping template (1) upper end and accomodate and set up second shaping template (2) that are used for center ditch post casting shaping, pulley assembly (24) include pulley support (2401) and pulley (2402), pulley support (2401) set up on the bottom of first shaping template (1) both sides protrusion end, just pulley (2402) can rotate movable contact and push down square second shaping template (2) upper end.

2. The external telescopic tunnel center tunnel trench secondary forming template with the external slide rail as claimed in claim 1, wherein the first forming template (1) comprises a first longitudinal beam (10), a first side template (11) and a second side template (12), the first side template (11) and the second side template (12) are oppositely arranged on two sides of the first longitudinal beam (10), and the lower end parts of the first side template (11) and the second side template are connected with the lower end part of the first longitudinal beam (10).

3. The external-sliding telescopic tunnel central trench secondary forming template of claim 1, wherein the second forming template (2) comprises a second longitudinal beam (20), a third side template (21) and a fourth side template (22), the third side template (21) and the fourth side template (22) are oppositely arranged on two sides of the second longitudinal beam (20), and the lower end parts of the third side template and the fourth side template are connected with the lower end part of the second longitudinal beam (20).

4. The externally arranged retractable tunnel center tunnel trench secondary forming template as claimed in claim 3, wherein the top upper surfaces of the third side template (21) and the fourth side template (22) are provided with slide rails (13), and the slide rails (13) are matched with the pulleys (2402).

5. The external contraction type tunnel center ditch secondary molding template of slide rail of claim 3, characterized in that a mold closing mechanism (23) is arranged between the third side template (21) and the fourth side template (22).

6. The external telescopic tunnel center trench secondary forming template of claim 5, wherein the mold retracting mechanism (23) is one of a hydraulic oil cylinder mechanism, an electric telescopic rod mechanism and a chain hoist mechanism.

7. The external telescopic tunnel center trench secondary molding template of slide rail of claim 1, characterized in that one end of the first molding template (1) far away from the second molding template (2) is provided with a hinge lug seat (14), and the first molding template (1) is hinged with the inverted arch template (3) through the hinge lug seat (14).

8. The external retractable tunnel center tunnel ditch post forming template of slide rail of claim 1, characterized in that, an end of second forming template (2) is provided with walking wheel carrier subassembly (4), walking wheel carrier subassembly (4) is including installing in the lift cylinder (41) of second forming template (2) side, lift cylinder (41) telescopic shaft end connection walking wheel support (40), walking wheel support (40) inside rotation sets up walking wheel (42).