CN216515179U - Movable trolley for mounting and dismounting bridge guardrail template - Google Patents

Abstract

The utility model discloses a mobile trolley used for the installation and dismantling of a bridge guardrail formwork, which comprises a tire-type walking chassis and a hanging basket respectively arranged on both sides of the guardrail formwork to be installed and dismantled. The tire-type walking chassis is provided with The cargo platform is connected to the horizontally arranged cantilever beam through the first bracket, the hanging basket is also connected to the cantilever beam through the second bracket, the crane is installed above the cantilever beam through the third bracket, the suspension The machine is located above the guardrail formwork to be installed and removed, and the cargo platform is used to place the guardrail formwork that needs to be installed or removed. The utility model utilizes the walking function of the tire-type walking chassis to transport the template to the required construction position of the concrete wall in the pipe trench, and then uses the inverted chain to assist the template installer to adjust the template height to complete the template installation and reinforcement work. The utility model can make the installation position of the formwork accurate in the limited work surface, shorten the time for installing and dismantling the formwork, improve the construction quality and reduce the project cost.

Description

A mobile trolley for the installation and dismantling of bridge guardrail formwork

technical field

The utility model belongs to the field of bridge construction, in particular to a mobile trolley used for the installation and disassembly of bridge guardrail formwork.

Background technique

At present, in the construction of highways and bridges in my country, the installation and dismantling of guardrail formwork is mainly done manually. In view of the problems of low efficiency, time-consuming and laborious and easy to cause safety accidents in on-site assembly, there have been some machines, but most of them use the principle of leverage. It can not fully meet the needs of complex situations in actual work. Therefore, there is no automatic assembly and disassembly machine in the true sense.

At present, there are three main types of trolleys on the market:

Simple trolley, which is equipped with a construction hanging basket, uses external force to assist walking, and needs to cooperate with small lifting equipment to complete the installation work;

The self-propelled trolley, which adds a tire-type running mechanism on the basis of the simple trolley, also needs to cooperate with small lifting equipment to complete the installation operation;

The double-sided truss structure trolley is equipped with a double-sided fixed hanging basket structure and adopts a tire-type running mechanism. It also needs to cooperate with small lifting equipment to complete the installation work.

The above three kinds of trolleys all have the following defects when they are used:

1. When used in the construction of urban traffic beams, it is necessary to completely seal the construction area.

2. When in use, it is necessary to cooperate with small lifting equipment to complete the installation work.

3. It is too bulky or the safety factor is too low during use, which is not convenient for continuous operation.

Utility model content

The purpose of this utility model is to solve the above problems in the prior art, to provide a mobile trolley for the installation and removal of bridge guardrail formwork, which can increase the safety factor in a limited working space, and can Solve the simultaneous construction of multiple equipment, improve construction quality and reduce engineering costs.

In order to achieve the above object, the present invention has the following technical solutions:

A mobile trolley used for the installation and dismantling of a bridge guardrail formwork, comprising a tire-type walking chassis and a hanging basket respectively arranged on both sides of the guardrail formwork to be installed and dismantled; The cargo platform is connected to the horizontally arranged cantilever beam through the first bracket, the hanging basket is also connected to the cantilever beam through the second bracket, the crane is installed above the cantilever beam through the third bracket, and the crane is located at the position to be installed and dismantled. Above the guardrail formwork, the cargo platform is used to place the guardrail formwork that needs to be installed or removed.

As a preferred solution of the present invention, the tire-type running chassis includes a rectangular bearing bracket and four running parts, and the rectangular bearing bracket is installed between the four running parts.

As a preferred solution of the present invention, the first support is a cube frame whose bottom four corners are connected with a rectangular bearing support, and the connection between the adjacent sides on the front and rear surfaces of the cube frame along the walking direction is strengthened. tendons.

As a preferred solution of the present invention, the cantilever beam extends horizontally from the top of the cube frame to just above the gondola, and the second bracket includes four uprights connected between the cantilever beam and the gondola, A cube structure is enclosed by four uprights, and several stop bars are arranged on the front and rear surfaces and the outermost surface of the cube structure in the running direction, and the stop bars are connected to the upright posts.

As a preferred solution of the present invention, the four uprights are arranged vertically, and the uprights have a plurality of pin positions for insertion of pins in the vertical direction.

As a preferred solution of the present invention, the third bracket includes a first gate-type bracket that is set upward from the guardrail formwork to be installed and removed, and a cube frame that is set upwardly from the first bracket close to the side of the guardrail formwork to be installed and removed. For the second portal bracket, one side of the first portal bracket is connected to the cantilever beam through the vertex of the second portal bracket through two first tie rods, and the other side of the first portal bracket is connected by two second tie rods. The side is connected to the cantilever beam.

As a preferred solution of the present invention, a casing for installing a hoist is provided on the top link of the first portal support.

As a preferred solution of the present invention, a reinforcing tie rod is connected between the top of the first tie rod and the top of the first portal bracket.

As a preferred solution of the present invention, the distance from the distal ends of the two first pull rods to the first portal bracket is greater than the distance from the distal ends of the two second pull rods to the first portal bracket.

As a preferred solution of the present invention, the cargo platform and the hanging basket are welded with Q235 profiles.

Compared with the prior art, the present utility model has at least the following beneficial effects: the mobile trolley of the present utility model adopts a tire-type walking chassis to drive the cargo platform and the hanging basket to move, which reduces the requirements of the trolley for the working environment, The requirements for cleanliness of the working environment are not high. In the process of construction, the guardrail formwork that needs to be installed or removed can be placed on the cargo platform, which increases the working area and makes the installation process more convenient. A crane is installed on the top of the cantilever beam through a third bracket, and the crane installed on the mobile trolley of the utility model can realize the self-assembly of the trolley. Makes installation more efficient. The utility model utilizes the walking function of the tire-type walking chassis to transport the template to the construction position required by the concrete wall in the pipe trench, and then uses the inverted chain to assist the template installer to adjust the template height to complete the template installation and reinforcement. After the concrete pouring of the wall body is completed and the maintenance is in place, the trolley of the utility model is finally used to assist the formwork worker to remove the formwork and transport it to the next working face. The utility model can make the installation position of the formwork accurate in the limited work surface, shorten the time for installing and dismantling the formwork, improve the construction quality and reduce the project cost.

Description of drawings

Fig. 1 is the working state schematic diagram of the mobile trolley according to the embodiment of the utility model;

2 is a schematic diagram of the overall structure of a mobile trolley according to an embodiment of the present invention;

3 is a schematic diagram of an installation structure of a mobile trolley crane according to an embodiment of the present utility model;

4 is a schematic structural diagram of a mobile trolley hanging basket according to an embodiment of the present utility model;

In the attached drawings: 1- tire type walking chassis; 2- cargo platform; 3- crane; 4- cantilever beam; 5- column; 6- hanging basket.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1, the mobile trolley used for the installation and dismantling of the bridge guardrail formwork of the present invention includes a tire-type walking chassis 1 and a hanging basket 6 respectively arranged on both sides of the guardrail formwork to be installed and dismantled. The tire-type walking chassis 1 is provided with The cargo platform 2 is connected to the horizontally arranged cantilever beam 4 through the first bracket, and the gondola 6 is also connected to the cantilever beam 4 through the second bracket. The tire-type running chassis 1 includes a rectangular bearing bracket and four running parts, and the rectangular bearing bracket is installed between the four running parts. The first bracket is a cube frame whose bottom four corners are connected with the rectangular bearing bracket, and the adjacent sides on the front and rear surfaces of the cube frame along the running direction are connected with reinforcing ribs. Referring to FIG. 2 , the cantilever beam 4 of the embodiment of the present invention extends horizontally from the top of the cube frame to just above the gondola 6 , and the second bracket includes four uprights 5 connected between the cantilever beam 4 and the gondola 6 . The four uprights 5 enclose a cube structure. The front and rear surfaces and the outermost surface of the cube structure in the running direction are provided with several stop bars, which are connected to the upright columns 5, as shown in FIG. 4 . The four uprights 5 are all arranged vertically, and the uprights 5 have a plurality of pin positions for insertion of pins in the vertical direction. A crane 3 is installed above the cantilever beam 4 through a third bracket. The crane 3 is located above the guardrail formwork to be installed and removed, and the cargo platform 2 is used to place the guardrail formwork to be installed or removed. Referring to FIG. 3 , the third bracket of the embodiment of the present invention includes a first door-type bracket that is set upward from the guardrail formwork to be installed and removed, and a second door that is set upwards from the cube frame on one side of the first bracket close to the guardrail formwork to be installed and removed. One side of the first portal bracket is connected to the cantilever beam 4 through the apex of the second portal bracket through two first tie rods, and then the other side of the first portal bracket is connected to the cantilever beam 4 through two second tie rods. Cantilever beam 4 is connected. A casing for installing the hoist 3 is provided on the top link of the first portal support. A reinforcing tie rod is connected between the top of the first tie rod and the top of the first portal bracket. The distance from the distal ends of the two first pull rods to the first portal bracket is greater than the distance from the distal ends of the two second pull rods to the first portal bracket. The cargo platform 2 and the hanging basket 6 of the utility model are welded by using Q235 profiles. In this embodiment, the first bracket, the second bracket, and the third bracket are also welded with Q235 profiles.

During the use of the mobile trolley used for the installation and dismantling of the bridge guardrail formwork of the present invention, the tire-type walking chassis 1 is the main force-bearing mechanism and the traveling mechanism, which reduces the requirements of the trolley on the working environment, and reduces the impact on the working environment. The cleaning requirements are not high. Before using the trolley, there is no need to clean the road or bridge deck in a large area, which saves a lot of manpower and material resources. In an optional embodiment, the tire-type running chassis 1 adopts a standard tire-type chassis and carries a load of 13t.

The cargo platform 2 of the utility model is rectangular, and the surface is covered with patterned steel plates as a cargo area. In the process of construction, the road or bridge guardrail formwork that needs to be installed or removed can be placed on the checkered steel plate as a transition area for work, thereby increasing the operable space for construction and making it easier to install road or bridge guardrail formwork. Efficient and convenient.

The hoist 3 of the present invention adopts a miniature electric hoist. By setting the distance from the distal ends of the two first tie rods to the first gantry bracket is greater than the distance from the distal ends of the two second tie rods to the first gantry bracket, the hoist is ensured. 3 can work under normal force.

The working principle of the mobile trolley used for the installation and dismantling of the bridge guardrail formwork of the utility model is as follows:

First, measure the position of the guardrail formwork to be installed and dismantled to be constructed, push the tire-type walking chassis 1 into the construction area, and install the counterweight to ensure the stability of the movable bracket. Use hoist 3 to lift the guardrail formwork to be installed to the formwork installation position to start formwork installation. Workers stand on the hanging basket 6 and fix it on the waist with ropes to ensure safety. After one template is installed, the tire-type walking chassis 1 starts to travel to the next working position, and the next template is installed.

The construction method of the mobile trolley used for the installation and dismantling of the formwork of the bridge guardrail according to the present invention comprises the following steps:

1) Clean up the work surface;

2) The installation position line of the measuring and placing template;

3) Push the tire-type walking chassis 1 into the construction area, and install the counterweight on the cargo platform 2 to ensure the overall stability of the movable support, check that the crane 3 can work stably, the steel wire rope is intact and not damaged, and the connection with the formwork is stable;

4) After the template is fixed, carry out trial lifting and acceptance;

5) Complete the formwork installation and reinforcement and stability in the construction flow section, and then implement the concrete pouring of the wall;

6) Remove the formwork after the concrete strength meets the formwork removal conditions.

The mobile trolley of the utility model used for the installation and dismantling of the bridge guardrail formwork can increase the safety factor in a limited working space, complete the simultaneous construction of multiple equipments with one installation and dismantling method, reduce the requirements of the trolley on the working environment, and reduce the operation environment. Environmental cleanliness requirements are not high. In the process of construction, the formwork that needs to be installed or removed can be placed on the cargo platform, which increases the working area and makes the installation process more convenient. The trolley itself is provided with a hoisting structure, which can realize the self-assembly of the trolley. In the assembly stage, the loading platform and the hanging basket can be hoisted by itself without the aid of a crane, which makes the installation more efficient. The utility model can make the installation position of the formwork accurate in the limited work surface, shorten the time for installing and dismantling the formwork, improve the construction quality and reduce the project cost.

The above are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention. It should be understood by those skilled in the art that, without departing from the spirit and principles of the present invention, The technical solution can also carry out some simple modifications and replacements, and these modifications and replacements also fall within the protection scope covered by the claims.

Claims (10)

1. The utility model provides a portable platform truck that is used for bridge railing template ann to tear open which characterized in that: including setting up respectively in waiting to ann to tear guardrail template both sides tire formula walking chassis (1) and hanging flower basket (6), tire formula walking chassis (1) on be provided with cargo platform (2), cargo platform (2) link to each other through cantilever beam (4) that first support and level set up, hanging flower basket (6) are also connected on cantilever beam (4) through the second support, cantilever beam (4) top through third support mounting loop wheel machine (3), loop wheel machine (3) be located the top of waiting to ann to tear guardrail template open, cargo platform (2) are used for placing the guardrail template that needs the installation or dismantle.

2. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 1, is characterized in that: the tire type walking chassis (1) comprises a rectangular bearing support and four walking parts, and the rectangular bearing support is arranged among the four walking parts.

3. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 2, is characterized in that: the first support is a cubic frame with four corners on the bottom surface connected with the rectangular bearing support, and reinforcing ribs are connected between adjacent sides of the cubic frame on the front surface and the rear surface in the walking direction.

4. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 3, wherein: cantilever beam (4) from the top level of cube frame extend to directly over hanging flower basket (6), the second support including connect four stands (5) between cantilever beam (4) and hanging flower basket (6), enclose into the cube structure through four stands (5), two faces and the outside surface around the cube structure walking direction are provided with a plurality of shelves poles, shelves pole connection is on stand (5).

5. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 4, wherein: the four upright posts (5) are all vertically arranged, and the upright posts (5) are provided with a plurality of bolt positions for inserting bolts in the vertical direction.

6. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 4, wherein: the third support comprises a first door-shaped support and a second door-shaped support, wherein the first door-shaped support is upwards arranged by the guardrail template to be installed and dismantled, the second door-shaped support is upwards arranged by the cubic frame on one side of the guardrail template to be installed and dismantled, one side of the first door-shaped support is connected with the cantilever beam (4) through the top point of the second door-shaped support through two first pull rods, and the other side of the first door-shaped support is connected with the cantilever beam (4) through two second pull rods.

7. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 6, wherein: and a shell for installing a crane (3) is arranged on the top connecting rod of the first door-shaped bracket.

8. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 6, wherein: and a reinforcing pull rod is connected between the top of the first pull rod and the top of the first door-shaped bracket.

9. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 6, wherein: the distance between the far ends of the two first pull rods and the first door-shaped support is larger than the distance between the far ends of the two second pull rods and the first door-shaped support.

10. The mobile trolley for installing and dismantling the bridge guardrail template as claimed in claim 1, is characterized in that: the cargo platform (2) and the hanging basket (6) are welded by Q235 profiles.

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