阅读说明：本技术 一种连拱隧道中隔墙模板的牵引装置及其使用方法 (Traction device for partition wall template in multi-arch tunnel and application method thereof ) 是由 何平 杨康 蔡吉巧 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种连拱隧道中隔墙模板的牵引装置及其使用方法,包括两个伸入到隧道内部的行走纵梁、设置在行走纵梁上的驱动装置和两个设置在两个行走纵梁之间且与驱动装置传动连接的中隔墙模板,所述的中隔墙模板上设置有若干个注浆孔。本发明的有益效果是：本方案利用行走纵梁作为参考标准,使中隔墙模板沿着行走纵梁移动,能够多次使用已安装好的中隔墙模板,减少中隔墙模板安装时的工作量,并且中隔墙模板异动前后的形状精度不会发生改变,能够保证同一中隔墙不同位置的形状精度保持一致。(The invention discloses a traction device of an intermediate wall template of an arch-connected tunnel and a use method thereof. The invention has the beneficial effects that: this scheme utilization walking longeron makes the mid-board template remove along the walking longeron as reference standard, can repetitious usage well installed mid-board template, work load when reducing the installation of mid-board template to the shape precision around the mid-board template abnormal motion can not change, can guarantee that the shape precision of same mid-board different positions keeps unanimous.)

1. The utility model provides a draw gear of partition wall template in double arch tunnel which characterized in that: the tunnel middle partition wall formwork comprises two walking longitudinal beams (3) extending into the tunnel, a driving device (11) arranged on the walking longitudinal beams (3) and two middle partition wall formworks (1) arranged between the two walking longitudinal beams (3) and connected with the driving device (11) in a transmission mode, wherein a plurality of grouting holes (10) are formed in the middle partition wall formworks (1).

2. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 1, wherein: the tunnel is characterized in that inner supporting legs (2) are arranged below the end part, located in the tunnel, of the walking longitudinal beam (3), the inner supporting legs (2) are arranged on a constructed middle partition wall, outer supporting legs (8) are arranged below the end part, located outside the tunnel, of the walking longitudinal beam (3), and the walking longitudinal beam (3) is parallel to the ground of the tunnel.

3. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 1, wherein: the two middle partition wall templates (1) are symmetrically arranged, and the end face support jack (6) is arranged between the end faces of the two middle partition wall templates (1).

4. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 1, wherein: the outer side surface of the middle partition wall template (1) is provided with a plurality of supporting jacks (5) connected with the side surface of the tunnel.

5. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 4, wherein: the supporting jack (5) is rotatably connected with the middle partition wall template (1).

6. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 1, wherein: the walking longitudinal beam (3) is provided with a template support (4) in a sliding mode, and a connecting jack is arranged between the template support (4) and the middle partition wall template (1).

7. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 1, wherein: the middle partition wall template (1) is provided with a plurality of observation windows (9).

8. The traction device of the partition wall formwork in the multi-arch tunnel according to claim 1, wherein: the tunnel is characterized in that two grooves parallel to the walking longitudinal beams (3) are formed in the ground of the tunnel, and the middle partition wall template (1) is arranged in the grooves in a sliding mode.

9. A use method of a traction device of a partition wall template in an arch-connected tunnel is characterized in that: the method comprises the steps of installing the walking longitudinal beams (3) according to any one of claims 1 to 8 in the tunnel, enabling the walking longitudinal beams (3) to be parallel to the designed length direction of the intermediate wall, installing the intermediate wall formwork (1) between the two walking longitudinal beams (3) and in transmission connection with a driving device (11) on the walking longitudinal beams (3), and pouring the intermediate wall section by taking the space between the two intermediate wall formworks (1) as a pouring space, wherein the end face of the intermediate wall which is constructed in the previous section is used as the end face formwork of the intermediate wall to be constructed in the later end.

Technical Field

The invention relates to the technical field of tunnel construction, in particular to a traction device for an intermediate wall template of an arch-connected tunnel and a using method thereof.

Background

The construction of the intermediate wall works is different from the construction of other works on the ground, and it is performed in a relatively narrow space, and the space left after removing the intermediate wall in the intermediate pilot tunnel is relatively narrow, and there is a problem that the manual operation is difficult because the intermediate wall is high. The number of the templates for pouring the intermediate wall is large, the manual assembly is complex, the reinforcing and supporting measures are large, the number of required constructors is large, labor and time are wasted, the constructors need to pass through the reinforcing supports, and the safety risk is large. Meanwhile, the seams of the template are not easy to control, the number of the seams is large, leakage stoppage is difficult, and the appearance quality of the concrete is not easy to control.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a traction device of an intermediate wall formwork of an arch-connected tunnel and a using method thereof, which are used for improving the construction efficiency and the construction precision of an intermediate wall.

The invention is realized by the following technical scheme: the utility model provides a draw gear of diaphram wall template in double arch tunnel, includes two walking longerons that stretch into the tunnel inside, sets up drive arrangement on walking longeron and two mid wall templates that set up between two walking longerons and be connected with the drive arrangement transmission, the mid wall template on be provided with a plurality of injected hole.

Furthermore, in order to better realize the invention, an inner end supporting leg is arranged below the end part of the walking longitudinal beam positioned in the tunnel, the inner end supporting leg is arranged on the constructed partition wall, an outer end supporting leg is arranged below the end part of the walking longitudinal beam positioned outside the tunnel, and the walking longitudinal beam is arranged in parallel with the ground of the tunnel.

Furthermore, in order to better realize the invention, the two intermediate wall formworks are symmetrically arranged, and an end face support jack is arranged between the end faces of the two intermediate wall formworks.

Furthermore, in order to better realize the invention, a plurality of supporting jacks connected with the side surface of the tunnel are arranged on the outer side surface of the middle partition wall template.

Further, in order to better implement the invention, the supporting jack is rotatably connected with the intermediate wall formwork.

Further, in order to better realize the invention, the walking longitudinal beam is provided with a template bracket in a sliding way, and a connecting jack is arranged between the template bracket and the middle partition wall template.

Furthermore, in order to better realize the invention, a plurality of observation windows are arranged on the intermediate wall template.

Furthermore, in order to better realize the invention, two grooves parallel to the walking longitudinal beams are arranged on the ground of the tunnel, and the intermediate wall formwork is arranged in the grooves in a sliding manner.

A method for using a traction device of an intermediate wall template of an arch-connected tunnel comprises the steps of installing walking longitudinal beams inside the tunnel, enabling the walking longitudinal beams to be parallel to the designed length direction of an intermediate wall, installing the intermediate wall template between two walking longitudinal beams and being in transmission connection with a driving device on the walking longitudinal beams, pouring the intermediate wall section by taking the space between the two intermediate wall templates as a pouring space, and taking the end face of the intermediate wall which is constructed in the previous section as an end face template of the intermediate wall to be constructed at the rear end.

The beneficial effect that this scheme obtained is: this scheme utilization walking longeron makes the mid-board template remove along the walking longeron as reference standard, can repetitious usage well installed mid-board template, work load when reducing the installation of mid-board template to the shape precision around the mid-board template abnormal motion can not change, can guarantee that the shape precision of same mid-board different positions keeps unanimous.

Drawings

FIG. 1 is a schematic end view of the present solution;

FIG. 2 is a schematic structural diagram of the present solution;

the construction method comprises the following steps of 1-middle partition wall formwork, 2-inner end supporting legs, 3-walking longitudinal beams, 4-formwork supports, 5-supporting jacks, 6-end face supporting jacks, 7-wood formwork, 8-outer end supporting legs, 9-observation windows, 10-grouting holes and 11-moving devices.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Example 1:

as shown in fig. 1 and fig. 2, in this embodiment, a traction device for an intermediate wall formwork in an arch-connected tunnel includes two walking longitudinal beams 3 extending into the tunnel, a driving device 11 disposed on the walking longitudinal beams 3, and two intermediate wall formworks 1 disposed between the two walking longitudinal beams 3 and in transmission connection with the driving device 11, where the intermediate wall formwork 1 is provided with a plurality of grouting holes 10.

When the construction of the intermediate wall is started, the intermediate wall end face template needs to be used, after the construction of the first section of the intermediate wall is completed, the driving device 11 is utilized to drive the intermediate wall template 1 to move along the length direction of the walking longitudinal beam 3, so that one end, close to the intermediate wall, of the intermediate wall template 1 is not separated from the intermediate wall, the constructed intermediate wall end face can be used as the end face template of the intermediate wall to be constructed, concrete is poured and grouted from the grouting holes 10, the continuity of the intermediate wall is guaranteed, and the intermediate walls constructed in two sections can be well connected together. The moving direction precision of the middle partition wall template 1 can be limited by utilizing the walking longitudinal beam 3, so that the position precision of the middle partition wall template 1 is controlled.

When this scheme of adoption is under construction, need not demolish repeatedly, install well partition wall template 1, can reduce the construction degree of difficulty, shorten construction cycle to can make well partition wall template 1's shape precision remain unanimous throughout, be favorable to improving the construction precision, reduce the problem that the manual error leads to the construction precision difference.

In this embodiment, the driving device 11 is a traveling block.

In this embodiment, a wood formwork 7 can be installed between the intermediate wall formwork 1 and the tunnel.

Example 2:

on the basis of the above embodiment, in this embodiment, the inner end support leg 2 is arranged below the end portion of the walking longitudinal beam 3 located in the tunnel, the inner end support leg 2 is arranged on the constructed partition wall, the outer end support leg 8 is arranged below the end portion of the walking longitudinal beam 3 located outside the tunnel, and the walking longitudinal beam 3 is arranged in parallel with the ground of the tunnel.

The inner end supporting legs 2 and the outer end supporting legs 8 are used for supporting the walking longitudinal beams 3, and the walking longitudinal beams 3 are kept at a certain height, so that the residual space in the tunnel is reasonably utilized. The arrangement of the walking longitudinal beams 3 in parallel with the ground of the tunnel is convenient for keeping the relative position precision of the intermediate wall formwork 1 and the tunnel.

Example 3:

on the basis of the above embodiment, in this embodiment, the two intermediate wall formworks 1 are symmetrically arranged, and the end face support jack 6 is arranged between the end faces of the two intermediate wall formworks 1.

The end face supporting jack 6 is used for supporting the end face of the intermediate wall formwork 1, so that the position accuracy between the end faces of the two intermediate wall formworks 1 is kept unchanged, and the position accuracy of other parts of the intermediate wall formwork 1 is prevented from being influenced.

Example 4:

on the basis of the above embodiments, in the present embodiment, a plurality of supporting jacks 5 connected with the side surface of the tunnel are arranged on the outer side surface of the intermediate wall formwork 1. When concrete is poured, the supporting jacks 5 are supported between the intermediate wall formwork 1 and the side face of the tunnel, so that the stability, rigidity and impact resistance of the intermediate wall formwork 1 can be improved, the intermediate wall formwork 1 is prevented from displacing or deforming under the impact action of the concrete, and the pouring quality is ensured. When the intermediate wall formworks 1 need to be moved, the supporting jacks 5 can be removed, thereby facilitating the movement of the intermediate wall formworks 1.

In this embodiment, the supporting jack 5 is rotatably connected to the intermediate wall formwork 1. When the support is needed, the support jack 5 is rotated to a proper position, and then the piston rod of the support jack 5 is controlled to extend out and abut against the side face of the tunnel.

When the mid-partition template 1 needs to be moved, the piston rods of the supporting jacks 5 are retracted, the supporting jacks 5 rotate downwards to natural positions under the action of gravity, the supporting jacks 5 do not need to be repeatedly detached or installed, and construction is more convenient.

Example 5:

on the basis of the above embodiments, in this embodiment, the formwork support 4 is slidably disposed on the traveling longitudinal beam 3, and a connection jack is disposed between the formwork support 4 and the intermediate wall formwork 1. The hookup location that makes connection jack and well partition wall template 1 distributes in the middle part position of well partition wall template 1 to this conveniently makes the middle part position of well partition wall template 1 can receive the support of connecting the jack, thereby can improve the rigidity and the stability of 1 middle part positions of well partition wall template, avoids the middle part position of well partition wall template 1 to take place to warp and influence the pouring quality of well partition wall.

Utilize formwork support 4 as the support foundation, can shorten the distance between intermediate wall template 1 and the bearing structure, can adopt the jack of less specification to make formwork support 4 and walking longeron 3 sliding connection, formwork support 4 can follow intermediate wall template 1 synchronous motion, keeps the relative position precision between formwork support 4 and the intermediate wall template 1, avoids intermediate wall template 1 to take place to warp at the removal in-process.

Example 6:

on the basis of the above embodiments, in this embodiment, the intermediate wall formwork 1 is provided with a plurality of observation windows 9. The observation window 9 is used for facilitating observation of the pouring condition inside the intermediate wall formwork 1.

Example 7:

on the basis of the above embodiment, in this embodiment, two grooves parallel to the walking longitudinal beams 3 are arranged on the ground of the tunnel, and the intermediate wall formwork 1 is slidably arranged in the grooves. The movement direction of the intermediate wall formworks 1 can be restricted by the grooves. And can restrict the rotational degree of freedom of intermediate wall template 1, avoid intermediate wall template 1 to take place to use the deflection of tunnel length direction as the axis, guarantee intermediate wall template 1's position accuracy.

In this embodiment, the intermediate wall formwork 1 may further include a roller connected to the groove in a rolling manner, so as to reduce resistance when the intermediate wall formwork 1 moves.

The braking structure for braking the rollers can be further arranged on the intermediate wall formwork 1, so that the rollers are braked when concrete needs to be poured, and the phenomenon that the pouring quality is influenced due to the fact that the intermediate wall formwork 1 moves is avoided.

In this embodiment, other undescribed contents are the same as those in the above embodiment, and thus are not described again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.