CN210134344U - Trolley for mounting bridge center joint drain pipe - Google Patents

Abstract

The utility model discloses a platform truck for installation of bridge centre joint wash-out pipe, reach the operation platform that links to each other with the support unit including the support unit, the support unit includes the supporting seat, and the bottom of supporting seat is provided with the universal wheel, and the supporting seat is provided with two, and two supporting seats set up respectively on the both sides bridge floor of bridge centre joint, the operation platform is located the below of bridge centre joint, is connected with crossbeam group between two supporting seats, crossbeam group with through cantilever jib group link between the operation platform. The utility model discloses it is easy, simple structure, convenient to use to draw materials, has both effectively improved the efficiency of construction, has guaranteed construction safety again, has fine popularization application prospect.

Description

A trolley for installation of drain pipes in the middle of bridges

technical field

The utility model relates to the technical field of bridge construction, in particular to a trolley used for the installation of a middle seam drain pipe of a bridge.

Background technique

In bridge construction, due to process reasons, the installation of the drainage pipe must be carried out after the completion of the bridge deck construction, and the installation of the drainage pipe after the completion of the bridge deck construction often has the problem of inconvenient construction of the construction platform. During normal construction, bridge inspection trucks should be used to install the drain pipe. However, due to factors such as construction cost and shortage of special equipment, the method of erecting simple brackets is often used on site to install the drain pipe. Although this method can meet the construction requirements, it cannot guarantee the construction quality and has a great potential safety hazard. In addition, there are problems of construction efficiency.

Utility model content

In view of the above-mentioned deficiencies in the background technology, the utility model proposes a trolley for the installation of the water discharge pipe in the middle of the bridge, which solves the problem that when the existing bridge water discharge pipe is installed, the number of bridge inspection vehicles used is in short supply and the cost is high. The technical problems of construction quality, low efficiency and great potential safety hazards.

The technical scheme of the present utility model is realized as follows: a trolley for installing a drain pipe in a middle seam of a bridge includes a support unit and a working platform connected with the support unit, the support unit includes a support seat, and the bottom end of the support seat is provided with There are universal wheels, two support bases are provided, the two support bases are respectively arranged on the bridge decks on both sides of the middle seam of the bridge, the operation platform is located below the middle seam of the bridge, and a cross beam group is connected between the two support bases, and the cross beam The group and the working platform are connected by a cantilever boom group.

The top end of the support base is provided with a vertical rod group, and the cross beam group is connected between the two vertical rods.

The cross-beam group includes a front cross-beam group- and a rear cross-beam group-, and the front cross-beam group- and the rear cross-beam group-are double-jointed I-beams arranged at horizontal intervals between the vertical rod groups.

The cantilever boom group includes a front cantilever boom- and a rear cantilever boom-, the upper ends of the front cantilever boom- and the rear cantilever boom- are provided with pin shafts, the front cantilever boom- and the rear cantilever boom- They are respectively connected with the front beam group- and the rear beam group- through pin shafts.

The working platform includes an I-beam frame fixedly connected with the lower end of the cantilever boom group, a threaded steel bar support bottom is welded between the frames of the I-beam frame, and a threaded steel bar guardrail is welded on the upper end of the frame of the I-beam frame. A safety net is provided on the outside of the threaded steel guardrail.

Bamboo plywood is laid above the support bottom of the threaded steel bar, and an angle steel diagonal brace is arranged between the I-beam frame and the lower end of the cantilever hanger group.

A first steel bar shear brace is arranged between the support base and the vertical pole group, and a second steel bar shear brace is arranged between the vertical pole group and the beam group.

The manufacturing material of the utility model not only can be obtained on site and has a simple structure, but also the construction personnel can conveniently carry out the installation operation of the drain pipe on the working platform under the middle seam of the bridge, without setting up a construction platform or a simple temporary support. In addition, the utility model can also move along the length direction of the bridge through the universal wheel under the support seat, avoiding the problem of segmented construction in traditional construction, and installing the drain pipe segmentally without disassembly, handling and repeated assembly. The utility model is easy to obtain materials, has a simple structure and is convenient to use, which not only effectively improves the construction efficiency, but also ensures the construction safety, and has a good prospect of popularization and application.

Description of drawings

In order to illustrate the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

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

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

FIG. 3 is a schematic structural diagram of the connection between the vertical pole group and the support base.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Embodiment 1, a trolley for installation of drain pipes in the middle of bridges, as shown in FIG. 1 , includes a support unit and a work platform connected to the support unit, and construction workers install the drain pipes on the work platform.

The support unit includes a support base 1, and the support base 1 is welded by I-beam on the construction site, which is not only low in cost, but also very convenient in material acquisition and manufacture. The bottom end of the support base 1 is provided with a universal wheel 2. Under the action of the universal wheel 2, the construction worker can push the support base 1 to move the position conveniently, so as to meet the installation requirements of the drainage pipe in different positions.

There are two said support bases 1 , the two support bases 1 are respectively arranged on the bridge decks on both sides of the middle seam of the bridge, the working platform is located below the middle seam of the bridge, and a cross beam group is connected between the two support bases 1 . The group and the working platform are connected by a cantilever boom group. The two support bases 1 not only play a supporting role on the bridge deck on both sides of the bridge mid-seam, but also play a role of moving back and forth, which is convenient for the installation of the drain pipes on both sides of the front and back, and is easy to move back and forth for acceptance and maintenance.

As shown in FIG. 2 , the top end of the support base 1 is provided with a vertical rod group 4 , and the cross beam group is connected between the two vertical rods 4 . The beam group includes a front beam group 3-1 and a rear beam group 3-2. The front beam group 3-1 and the rear beam group 3-2 are double-jointed I-beams arranged between the vertical rod groups 4 at horizontal intervals.

The cantilever hanger group includes a front cantilever hanger rod 5-1 and a rear cantilever hanger rod 5-2. The upper ends of the front cantilever hanger rod 5-1 and the rear cantilever hanger rod 5-2 are both provided with pin shafts 6. The pin shafts 6 is inserted between the double I-beams. The front cantilever suspension rod 5-1 and the rear cantilever suspension rod 5-2 are respectively connected with the front beam group 3-1 and the rear beam group 3-2 through the pin shaft 6. The double-jointed I-beam, the pin shaft 6 and the cantilever hanger group are all locally sourced materials on the construction site, which not only reduces the construction cost, but also speeds up the construction efficiency.

Embodiment 2, a trolley used for the installation of drain pipes in the middle of bridges, as shown in Figure 1, the work platform includes an I-beam frame 7 that is fixedly connected to the lower end of the cantilever boom group, and the I-beam frame 7 The upper end surface of the frame is welded with a threaded steel bar guardrail 8, and a safety net is provided on the outside of the threaded steel bar guardrail 8. A threaded steel bar support bottom is welded between the frames of the I-beam frame 7, a bamboo plywood is laid above the threaded steel bar support bottom, and construction workers stand on the bamboo plywood to install the drain pipe.

The other structures of this embodiment are the same as those of the first embodiment.

Embodiment 3, a kind of trolley for the installation of the middle seam drain pipe of the bridge, as shown in Figure 1, between the I-beam frame 7 and the lower end of the cantilever hanger group is provided with angle steel diagonal braces 9, angle steel diagonal braces The setting of 9 further ensures the stability and safety of the work platform. As shown in FIG. 2 and FIG. 3 , a first steel bar shear brace 11 is arranged between the support base 1 and the vertical rod group 4 , and a second steel bar shear brace 10 is arranged between the vertical rod group 4 and the beam group. . The arrangement of the first reinforced shear bracing 11 and the second reinforced shear bracing 10 fully guarantees the stability and structural strength of each connection structure.

The other structures of this embodiment are the same as those of the second embodiment.

The non-detailed parts of the present invention are conventional technical means known to those skilled in the art.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the protection scope of the present invention.

Claims (7)

1. A trolley for installation of a middle seam drain pipe of a bridge, comprising a support unit and a work platform connected with the support unit, characterized in that: the support unit comprises a support seat (1), and the bottom end of the support seat (1) A universal wheel (2) is provided, two support seats (1) are provided, and the two support seats (1) are respectively arranged on the bridge decks on both sides of the middle seam of the bridge, and the working platform is located below the middle seam of the bridge. A beam group is connected between the support bases (1), and the beam group and the working platform are connected by a cantilever hanger group. 2. The trolley for installation of the middle seam drain pipe of a bridge according to claim 1, characterized in that: the top of the support seat (1) is provided with a vertical rod group (4), and the cross beam group is connected to two between the pole groups (4). 3 . The trolley for installing the drain pipe in the middle of the bridge according to claim 2 , wherein the cross beam group comprises a front cross beam group (3-1) and a rear cross beam group (3-2), and the front cross beam group (3-1) and the rear beam group (3-2) are both double-jointed I-beams arranged at horizontal intervals between the vertical rod groups (4). 4. The trolley for installation of the middle seam drain pipe of a bridge according to claim 3, characterized in that: the cantilever suspension rod group comprises a front cantilever suspension rod (5-1) and a rear cantilever suspension rod (5-2) , the upper ends of the front cantilever boom (5-1) and the rear cantilever boom (5-2) are provided with pins (6), the front cantilever boom (5-1) and the rear cantilever boom (5-2) ) are respectively connected with the front beam group (3-1) and the rear beam group (3-2) through the pin shaft (6). 5. The trolley for the installation of the middle seam drain pipe of a bridge according to any one of claims 1-4, characterized in that: the work platform comprises an I-beam frame ( 7), a threaded steel bar support bottom is welded between the frames of the I-beam frame (7), a threaded steel bar guardrail (8) is welded on the upper end of the frame of the I-beam frame (7), and the external setting of the threaded steel bar guardrail (8) There are safety nets. 6 . The trolley for installing the drain pipe in the middle of the bridge according to claim 5 , characterized in that: a bamboo plywood is laid above the support bottom of the threaded steel bar, and the I-beam frame (7) and the cantilever hanger group are connected to each other. 7 . Angle steel diagonal braces (9) are arranged between the lower ends. 7 . The trolley for installing the drain pipe in the middle of the bridge according to claim 6 , characterized in that: a first reinforced shear brace ( 11 ) is arranged between the support base ( 1 ) and the vertical rod group ( 4 ). 8 . ), a second steel bar shear brace (10) is arranged between the vertical pole group (4) and the beam group.

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