CN209621337U - Tunnel curb gutter and cable duct integral type automatic hydraulic walking template system - Google Patents

Abstract

The utility model discloses an automatic hydraulic walking formwork system integrated with a tunnel curb drainage ditch and a cable ditch, which belongs to the technical field of tunnel construction and includes a gantry frame, a walking mechanism arranged on the bottom of the gantry frame, and a walking mechanism separately arranged on both sides of the gantry frame. Cable trench outer mold, at least one cable trench outer mold is provided with a drainage trench punch, and the cable trench outer mold is composed of a front template, a middle template, and a rear template; There are telescopic devices respectively connected to the front formwork, middle formwork and rear formwork; the front formwork, middle formwork and rear formwork are all assembled and welded by the mold surface and a plurality of I-beams supporting the mold surface; the middle formwork and the rear formwork are in the The bottom is overlapped to form a groove structure, and a plurality of telescopic screw rods are arranged between the middle formwork and the rear formwork; the front formwork where the gutter punch is located is in a stepped shape. This system has the advantages of fast mechanized construction, accurate positioning, high appearance quality, low labor intensity, less labor input, good energy saving and environmental protection, etc.

Description

Tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system

technical field

The utility model relates to the technical field of tunnel construction, and relates to an automatic hydraulic walking formwork system integrated with a tunnel curb drainage ditch and a cable ditch.

Background technique

With the leap-forward development of my country's Belt and Road Initiative, the speed of highway construction continues to accelerate, and the requirements for the construction quality and progress of tunnel curb drainage ditch and cable trench are getting higher and higher, and the construction of tunnel curb drainage ditch and cable trench is gradually changing from traditional However, the traditional tunnel curb drainage ditch and cable trench formwork are mainly constructed separately by assembled steel formwork. The advantages are that the design and manufacture are more convenient and the cost is lower, but there are many disadvantages, such as the curb drainage ditch and cable trench formwork. The formwork of the cable trench is not constructed in one piece. It takes a long time for manual formwork support, transfer, demoulding, debugging and formwork correction, the construction progress is slow, the degree of mechanization is low, and the labor intensity is high. When pouring concrete, it is easy to have wrong platform at the joint of formwork, poor line shape of water channel and cable channel, poor appearance quality, and high maintenance cost in the later period.

Utility model content

In view of this, the purpose of this utility model is to provide an automatic hydraulic walking formwork system integrated with tunnel curb drainage ditch and cable ditch, which has the advantages of fast mechanized construction speed, accurate positioning, high appearance quality, low labor intensity, and less manual investment. It has the advantages of energy saving and environmental protection.

In order to achieve the above object, the utility model provides the following technical solutions:

The utility model provides an integrated automatic hydraulic walking formwork system for tunnel curb drainage ditch and cable ditch, which includes a gantry frame, a walking mechanism arranged on the bottom of the gantry frame, and cable ditch outer molds separately arranged on both sides of the gantry frame, at least one The outer mold of the cable trench is provided with a drainage ditch punch near the side of the tunnel curb, and the outer mold of the cable trench is composed of a front formwork, a middle formwork, and a rear formwork which are independent and spaced apart from the inside of the tunnel to the outside; The two sides of the gantry are also provided with cantilever beams through the first diagonal brace; the bottom of the cantilever beam is respectively connected with the front formwork, the middle formwork and the rear formwork and used to drive them to move up and down. The formwork, middle formwork and rear formwork are all welded by the mold surface and a plurality of I-beams supporting the mold surface, and the mold surfaces of the front formwork and the middle formwork are set opposite to each other, and the mold surfaces of the middle formwork and the rear formwork are set opposite to each other. ; The middle template and the rear template are lapped at the bottom to form a groove structure, and a plurality of telescopic screw rods are arranged between the middle template and the rear template; the front template where the drainage ditch punch is located is stepped, and its The bottom of the step surface is provided with the drainage ditch punch; a plurality of the telescopic screw rods are also provided between the front template and the gantry frame.

Further, above the cantilever beam and along its extending direction, there is also a telescopic device, and the telescopic device is a hydraulic cylinder.

Further, the telescopic screw rod is composed of a double-ended nut and threaded rods arranged at both ends of the double-ended nut.

Further, the die faces set on the front formwork, middle formwork and rear formwork are made of 11-13cm Taigang steel plate.

Further, the middle template and the rear template are provided with a draft taper.

Further, the section of the drainage ditch punch is one of semicircle, semiellipse, T-shape or terraced shape.

Further, the stepped front formwork is provided with a second brace above the stepped surface.

The beneficial effects of the utility model are:

1. The integrated automatic hydraulic walking formwork of tunnel curb drainage ditch and cable ditch of the present invention has the advantages of fast mechanized construction, accurate positioning, high appearance quality, low labor intensity, less manual input, and good energy saving and environmental protection;

2. The curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system realizes the precise positioning, standardized operation and mechanized construction of the curb drainage ditch and cable ditch in one construction, which is conducive to civilized and standardized construction;

3. The integrated automatic hydraulic walking formwork of the curb drainage ditch and the cable ditch effectively avoids cumbersome procedures such as chiseling of concrete construction joints, installation of stubble bars, cleaning of the interface, and application of interface agents, which speeds up the construction pace and reduces project costs. Improve the work efficiency of curb drainage ditch and cable trench construction, and ensure the integrity of the structure, the smoothness of the line, and the appearance quality of the concrete.

Other advantages, objectives and features of the present utility model will be set forth in the following description to some extent, and to some extent, based on the investigation and research below, it will be obvious to those skilled in the art, or can be Get teaching from the practice of the utility model. The objectives and other advantages of the utility model can be realized and obtained through the following description.

Description of drawings

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural representation of the front of the utility model;

Fig. 2 is the top view of Fig. 1;

FIG. 3 is an enlarged view of part A of FIG. 1 .

Detailed ways

The utility model will be further described below in conjunction with specific embodiments. Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than actual drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present utility model, some parts of the accompanying drawings will be omitted , enlargement or reduction, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings may be omitted.

In the accompanying drawings of the utility model embodiment, the same or similar symbols correspond to the same or similar parts; The orientation or positional relationship indicated by "right", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operated in a specific orientation, so the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be understood as limitations on this patent. For those of ordinary skill in the art, The specific meanings of the above terms can be understood according to specific situations.

Please refer to Figure 1-3, the component numbers in the accompanying drawings indicate respectively: gantry frame 1, traveling mechanism 2, drain punch 3, front formwork 4, middle formwork 5, rear formwork 6, first diagonal brace 7, cantilever beam 8. Telescopic device 9, telescopic screw mandrel 10, second diagonal brace 11.

The embodiment is basically shown in the accompanying drawings: the tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system provided by this embodiment includes a gantry frame 1, a walking mechanism 2 arranged on the bottom of the gantry frame 1, and a traveling mechanism 2 arranged separately on the gantry frame. The outer mold of the cable trench on both sides of frame 1, the gantry frame adopts a truss structure welded by channel steel, angle steel, etc., and the traveling mechanism adopts conventional technologies such as moving wheels, driven wheels, drive motors, and tracks, so that the wall of the curb drainage ditch can be used The edge is used as the whole formwork to walk on the wheel-rail surface, and the integrated formwork of the curb drainage ditch and the cable ditch is operated by a special person to control the speed of the formwork with the normally open contact jog button. Both sides use 3KW motors to drive the gantry, and the driving speed can reach 6m/ h, to ensure the accuracy of the longitudinal positioning of the formwork; a drainage ditch punch 3 is provided on the outer mold of a cable trench and close to the side of the tunnel curb, that is, the left side of the gantry frame forms a weak current cable ditch and the curb drainage ditch, and the right side forms a strong current The cable trench, the outer formwork of the cable trench is composed of front formwork 4, middle formwork 5 and rear formwork 6 which are independent and spaced apart from the inside to the outside of the tunnel; the two sides of the gantry 1 are also provided with cantilever beams through the first brace 7 8; The bottom of the cantilever 8 is provided with a telescopic device 9 that is respectively connected with the front template 4, the middle template 5 and the rear template 6 and is used to drive it to move up and down. The telescopic device adopts a hydraulic cylinder and is controlled by a hydraulic system. One set of hydraulic pump station, one set of ten control valves, each oil cylinder is controlled independently. The overall operation is simple and convenient, and it is easy for operators to operate. Six sets of oil cylinders are used on one side, six sets of fixed circumferential dimensions and fixed molds for pouring concrete. Two sets of lifting cylinders are used on the upper and upper sides of the formwork to adjust the elevation of the demoulding and filling surfaces; the front formwork 4, middle formwork 5 and rear formwork 6 are welded by the mold surface and multiple I-beams supporting the mold surface. The mold surface is made of 12cm TISCO steel plate, which is not easy to rust and dust, facilitates the demoulding of the outer mold, improves the overall appearance quality of the curb drainage ditch and the cable trench, and the front template 4 and the middle template 5 The die surfaces of the middle template 5 and the rear template 6 are arranged facing away from each other; the middle template 5 and the rear template 6 are overlapped at the bottom to form a groove structure, and the lap joint is conducive to the connection between the middle template and the rear template. Separation, specifically, grooves can be provided at the overlap of the middle formwork, and circular convex lines that can rotate with the groove can be set at the overlap of the rear formwork, and a plurality of The telescopic screw rod 10 is used to support and adjust the distance between the middle formwork and the rear formwork; the front formwork 4 where the drainage ditch punch 3 is located is stepped, and the bottom of the step surface is provided with the described drainage ditch punch 3; A plurality of telescopic screw rods 10 are also arranged between the template 4 and the gantry 1 for fixing the position of the front template.

Adopting the above scheme, the integrated automatic hydraulic walking formwork of tunnel curb drainage ditch and cable ditch in the present invention has the advantages of fast mechanized construction speed, accurate positioning, high appearance quality, low labor intensity, less labor input, good energy saving and environmental protection; Accurate positioning, standardized operation, and mechanized construction of drainage ditches and cable trenches in one construction are conducive to civilized and standardized construction; and effectively avoid cumbersome processes such as chiseling of concrete construction joints, installation of stubble bars, cleaning interface and application of interface agent, etc. The construction rhythm is improved, the project cost is reduced, the work efficiency of the curb drainage ditch and cable trench construction is improved, and the integrity of the structure, the smoothness of the line, and the appearance quality of the concrete are ensured.

In this embodiment, there is also a telescopic device 9 above and along the extension direction of the cantilever beam 8. When the center of the gantry deviates, the circumferential direction can be adjusted by 200 mm to ensure that the circumferential and longitudinal dimensions of the strong and weak cable trenches reach skills requirement.

The telescopic screw rod 10 in this embodiment is composed of a double-ended nut and threaded rods arranged at both ends of the double-ended nut. Easy to adjust.

The middle template 5 and the rear template 6 in this embodiment are provided with draft tapers. Easy to demould.

The section of the gutter punch 3 in this embodiment is one of semicircle, semiellipse, T-shape or terraced shape. It can be selected according to the design requirements of the curb drainage ditch of the project.

The stepped front template 4 in this embodiment is provided with a second brace 11 above the stepped surface. Increase the strength of the front template.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions shall be covered by the claims of the present utility model.

Claims (7)

1. The integrated automatic hydraulic walking formwork system of the tunnel curb drainage ditch and the cable ditch is characterized in that it includes the gantry (1), the traveling mechanism (2) arranged on the bottom of the gantry and the cables separately arranged on both sides of the gantry Ditch outer mold, at least one of the cable trench outer molds is provided with a drainage ditch punch (3) near the side of the tunnel curb, and the cable trench outer mold is successively composed of independent and spaced front molds from the inside to the outside of the tunnel. Formwork (4), middle formwork (5) and rear formwork (6); both sides of the gantry are also provided with cantilever beams (8) through the first diagonal braces (7); the bottom of the cantilever beam is provided with A telescopic device (9) that is respectively connected to the front formwork, the middle formwork and the rear formwork and is used to drive them to move up and down; the front formwork, the middle formwork and the rear formwork are all composed of a mold surface and a plurality of I-beams supporting the mold surface It is welded, and the mold faces of the front template and the middle template are set opposite to each other, and the mold faces of the middle template and the rear template are set facing away; the middle template and the rear template are overlapped at the bottom to form a groove structure, and the middle template and the rear template A plurality of telescopic screw rods (10) are arranged between the templates; the front template where the drainage ditch punch is located is stepped, and the bottom of the step surface is provided with the drainage ditch punch; the front template and the gantry frame A plurality of said telescopic screw rods are also arranged between them. 2. The tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system according to claim 1, characterized in that, above the cantilever beam and along its extending direction, there is also a telescopic device , the telescopic device is a hydraulic cylinder. 3. The tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system according to claim 1, characterized in that the telescopic screw rod is composed of a double-ended nut and a threaded rod arranged at both ends of the double-ended nut . 4. The integrated automatic hydraulic walking formwork system of tunnel curb drainage ditch and cable ditch according to claim 1, characterized in that, the die faces set on the front formwork, middle formwork and rear formwork adopt 11-13cm Made of Taigang steel plate. 5. The tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system according to claim 1, characterized in that, the middle formwork and the rear formwork are provided with a draft taper. 6. The tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system according to claim 1, characterized in that the section of the drainage ditch punch is semicircular, semi-elliptical, T-shaped or ladder One of the table shapes. 7. The tunnel curb drainage ditch and cable ditch integrated automatic hydraulic walking formwork system according to claim 1, characterized in that the stepped front formwork is provided with a second diagonal brace (11) above the step surface.