CN217813509U - Non-portal trolley - Google Patents

Abstract

The utility model discloses a gantry-type trolley, which comprises an upper formwork and a trolley frame. The two ends of the upper formwork are movably hinged to a lower formwork. On the frame, the two ends of the top of the trolley frame are hinged with lateral support rods, and both ends of the lower mold template are equipped with a translational push mechanism, and the other end of the lateral support rod is movable hinged with the corresponding position of the translation pusher mechanism, and the lateral support The middle part of the rod is hinged with a lateral oil cylinder. The lateral oil cylinder of the utility model supports the entirety of the supporting frame beam, and the lateral supporting rod locks the supporting frame beam and the lower formwork, thereby forming a stressed whole, ensuring the stability of the upper formwork and the lower formwork, thus eliminating the need for manual passage of a large number of The screw rod is used for support, which saves construction time; when demoulding is required, the tail support rod is removed, and then the translation cylinder and the lateral cylinder are contracted, so that the lower formwork can be demoulded and the demoulding efficiency is improved.

Description

A doorless trolley

technical field

The utility model relates to the technical field of tunnel construction equipment, in particular to a portal-less trolley.

Background technique

With the development of tunnel construction, mining method construction still occupies the main construction method. In the process of pouring the secondary lining of the tunnel, most of the conventional trolleys have a gantry structure design. The gantry structure requires a large number of supporting screws for fixing. It takes a long time to install and remove the screw supports and formwork during each construction. Since the force in the lining process is mainly fed back on the portal frame, in order to ensure its structural strength, the existing portal frames are relatively heavy and have a small space in the middle, which affects the opening to traffic during construction.

Utility model content

The purpose of the utility model is to provide a door frame type trolley.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows: a doorless trolley, including an upper formwork and a trolley frame, the two ends of the upper formwork are articulated with a lower formwork, and the lower part of the upper formwork is fixedly installed with a support Frame beam, the support frame beam is fixedly installed on the trolley frame, the two ends of the top of the trolley frame are movable and hinged with lateral support rods, both ends of the lower formwork are equipped with a translation pushing mechanism, and the other end of the lateral support rod It is articulated with the translational push mechanism at the corresponding position, the middle part of the lateral support rod is articulated with a lateral oil cylinder, and the piston shaft of the lateral oil cylinder is articulated with the two lower parts of the support frame, and both ends of the lower part of the support frame beam are articulated with a tail The support rod, the other end of the tail support rod is movably hinged with the upper end of the lower formwork at the corresponding position, and a ground screw is supported between the lower end of the lower formwork and the ground.

Preferably, the trolley frame includes two main beams, a plurality of secondary beams are fixedly installed between the two main beams, main vertical beams are installed at both ends of the lower parts of the two main beams, and the bottoms of the two main vertical beams pass through the secondary longitudinal beams. The beams are fixedly connected, and a jacking cylinder is fixedly installed at the bottom of the secondary longitudinal beam.

Preferably, the translation pushing mechanism includes a supporting screw and a translation cylinder, the upper end of the supporting screw is articulated at the bottom of the upper formwork, the lower end of the supporting screw is articulated with the corresponding lateral support rod, and the The translation cylinder is horizontally articulated and installed on the main beam, and the piston shaft of the translation cylinder is articulated with the side of the supporting screw.

Preferably, traveling wheels are installed on the lower part of the jacking oil cylinder.

Preferably, a construction platform is fixedly installed on the inner wall of the lower formwork.

Preferably, a diagonal beam is fixedly installed between the bottom of the main beam and the adjacent main vertical beam.

Compared with the prior art, the utility model has the advantages of:

The lateral oil cylinder of the utility model supports the entirety of the supporting frame beam, and the lateral supporting rod locks the supporting frame beam and the lower formwork, thereby forming a stressed whole, ensuring the stability of the upper formwork and the lower formwork, thus eliminating the need for manual passage of a large number of The screw rod is used for support, which saves construction time; when demoulding is required, the tail support rod is removed, and then the translation cylinder and the lateral cylinder are contracted to enable the demoulding of the lower formwork and improve the demoulding efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front view of a kind of gantry type trolley of the utility model;

Fig. 2 is a side view of a gantry-type trolley of the present invention.

In the figure: 1 upper formwork, 2 lower formwork, 3 main beam, 4 main vertical beam, 5 main longitudinal beam, 6 secondary beam, 7 secondary longitudinal beam, 8 inclined beam, 9 jacking cylinder, 10 lateral cylinder, 11 translation Oil cylinder, 12 construction platforms, 13 lateral support rods, 14 tail support rods, 15 oblique support rods, 16 ground screw rods, 17 support frame beams, 18 supporting screw rods, and 19 traveling wheels.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, so as to make a clearer definition of the protection scope of the utility model.

Referring to Fig. 1 and Fig. 2, the utility model provides a doorless trolley, which includes an upper formwork 1 and a trolley frame. The two ends of the upper formwork 1 are articulated with a lower formwork 2. In order to facilitate the observation of the structure of the trolley, Fig. 2 side view deletes the structure of the upper formwork 1 and the lower formwork 2, the lower part of the upper formwork 1 is fixedly installed with a support frame beam 17, and the support frame beam 17 is fixedly installed on the trolley frame, and the above fixed connection methods can be welding or bolts connection, the two ends of the top of the trolley frame are hinged with lateral support rods 13, and both ends of the lower formwork 2 are equipped with a translation push mechanism, and the other end of the lateral support rod 13 is movable with the corresponding position of the translation push mechanism. Hinged, the middle part of the lateral support rod 13 is hinged with a lateral oil cylinder 10, and the piston shaft of the lateral oil cylinder 10 is movably hinged at the lower part of the support frame two 17. After the overall support of the support frame beam 2 by the lateral oil cylinder 10 is in place, the lateral support The rod 13 locks the support frame beam 2 and the lower formwork 2, thereby forming a stressed whole, ensuring the stability of the upper formwork 1 and the lower formwork 2. Both ends of the lower part of the support frame beam 17 are hinged with tail support rods 14, The other end of the tail support rod 14 is movable hinged with the upper end of the lower formwork 2 at the corresponding position, further improving the stability of the connection between the upper formwork 1 and the lower formwork 2, and the ground screw 16 is supported between the lower end of the lower formwork 2 and the ground, which can It plays the role of supporting the lower template 2 to avoid its settlement.

In this embodiment, the trolley frame includes two main beams 3, a plurality of secondary beams 6 are fixedly installed between the two main beams 3, main vertical beams 4 are installed at both ends of the lower parts of the two main beams 3, two The bottom of the main vertical beam 4 is fixedly connected by the secondary longitudinal beam 7. The above structure constitutes a gantry structure with high structural strength and good stability. At the same time, the middle part has a large space to meet the requirements for traffic opening. The bottom of the secondary longitudinal beam 7 is fixedly installed with a jacking cylinder 9. The lifting of the supporting frame beam 17 can be realized through the jacking cylinder 9, so that it can adapt to the construction work of tunnels with different heights, and it is also convenient to remove the upper formwork 1,

In this embodiment, in order to speed up the dismantling of the lower template 2, the translation pushing mechanism includes a supporting screw 18 and a translation cylinder 11, the upper end of the supporting screw 18 is movably hinged at the bottom of the upper template 1, and the supporting screw 18 The lower end of the rod 18 is articulated with the lateral support rod 13 at the corresponding position. The translation cylinder 11 is articulated and installed on the main beam 3 in a horizontal direction. When the template 2 is clamped, the translation cylinder 11 can withstand the support screw 18 to keep it vertical, and can play a role in supporting the upper template 1 and the lower template 2; when demoulding is required, remove the tail support rod 14 , and then shrink the translational oil cylinder 11 and the lateral oil cylinder 10, the lower formwork 2 can be demolded, and the efficiency of demoulding is improved.

In this embodiment, the lower part of the jacking cylinder 9 is equipped with a traveling wheel 19, which is similar to the driving wheel structure of a gantry crane and can drive the trolley frame to move.

In this embodiment, a construction platform 12 is fixedly installed on the inner side wall of the lower formwork 2, which is convenient for workers to construct.

In this embodiment, in order to further improve the stability of the trolley frame, a diagonal beam 8 is fixedly installed between the bottom of the main beam 3 and the adjacent main vertical beam 4 .

Although the embodiment of the utility model has been described in conjunction with the accompanying drawings, the patent owner can make various deformations or modifications within the scope of the appended claims, as long as it does not exceed the protection scope described in the claims of the utility model, All should be within the protection scope of the present utility model.

Claims (6)

1. A gantry-free trolley, comprising an upper formwork and a trolley frame, the two ends of the upper formwork are articulated with a lower formwork, it is characterized in that: the lower part of the upper formwork is fixedly installed with a support frame beam, and the support frame beam is fixedly installed On the trolley frame, lateral support rods are articulated at both ends of the top of the trolley frame. Both ends of the lower formwork are equipped with translational pushing mechanisms. Actively hinged, the middle part of the lateral support rod is articulated with a lateral oil cylinder, and the piston shaft of the lateral oil cylinder is articulated at the two lower parts of the support frame. Both ends of the lower part of the support frame beam are articulated with a tail support rod. It is movable hinged with the upper end of the lower formwork at the corresponding position, and a ground screw is supported between the lower end of the lower formwork and the ground. 2. A gantry-less trolley according to claim 1, characterized in that: the trolley frame includes two main beams, a plurality of secondary beams are fixedly installed between the two main beams, and the two main beams Main vertical beams are installed at both ends of the lower part of the beam, and the bottoms of the two main vertical beams are fixedly connected by secondary longitudinal beams, and jacking oil cylinders are fixedly installed at the bottom of the secondary longitudinal beams. 3. A gantry-less trolley according to claim 2, characterized in that: the translation pushing mechanism includes a supporting screw and a translation cylinder, and the upper end of the supporting screw is articulated at the bottom of the upper formwork , the lower end of the supporting screw rod is articulated with the corresponding lateral support rod, the translation oil cylinder is articulated and installed on the main beam in the horizontal direction, and the piston shaft of the translation oil cylinder is articulated with the side of the supporting screw rod. 4. A gantry-less trolley according to claim 2, characterized in that: the lower part of the jacking cylinder is equipped with traveling wheels. 5. A gantry-less trolley according to claim 1, characterized in that: a construction platform is fixedly installed on the inner wall of the lower formwork. 6. A gantry-less trolley according to claim 2, characterized in that: an oblique beam is fixedly installed between the bottom of the main beam and the adjacent main vertical beam.

Images