CN218255830U

CN218255830U - Box girder pedestal capable of automatically walking

Info

Publication number: CN218255830U
Application number: CN202222093027.2U
Authority: CN
Inventors: 何林柱; 姜桂花
Original assignee: Chongqing Zhongjun Construction Steel Mould Co ltd
Current assignee: Chongqing Zhongjun Construction Steel Mould Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-10
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a bridge construction technical field specifically discloses a case roof beam pedestal of automatic walking, including evenly establishing a plurality of precast beam assembly lines at the job site, still including installing fixed die block on the precast beam assembly line, with fixed die block sliding connection's activity die block, be used for supporting pedestal body and the controller of the case roof beam body, pedestal body can dismantle with the activity die block and be connected, and pedestal body bottom both ends symmetry is equipped with a plurality of jacking hydro-cylinders, and pedestal body bottom is equipped with the actuating mechanism who is used for driving pedestal body walking on fixed die block, and jacking hydro-cylinder all is connected with the controller electricity with actuating mechanism, is equipped with the line changing mechanism who is used for changing the line and remove the pedestal body between adjacent precast beam assembly line between two adjacent precast beam assembly lines, has solved traditional case roof beam pedestal fixed knot and has constructed, can not remove the position of case roof beam pedestal according to the construction demand, and unable repetitious usage has increased raw and other materials and construction time cost's problem.

Description

Box girder pedestal capable of automatically walking

Technical Field

The application relates to the technical field of bridge construction, and particularly discloses an automatic walking box girder pedestal.

Background

The box girder is one of middle girders in bridge engineering, the inner part of the box girder is hollow, flanges are arranged on two sides of the upper part of the box girder and are similar to boxes, so the box girder can be divided into a single box, a plurality of boxes and the like, the box girder is generally manufactured by a girder body die bound by reinforcing steel bars through cement concrete pouring, the box girder body obtained by pouring is sequentially subjected to steaming and tensioning treatment and finally is hoisted and moved to a girder storage area for placement, the box girder manufacturing totally comprises the steps of reinforcing steel bar binding, template pouring, steaming, tensioning and Liang Wuge storage, the five steps form a precast girder assembly line, and in the flow manufacturing process of the box girder, a box girder pedestal is required to support the box girder body.

The structure of the existing box girder pedestal is fixedly arranged and cannot be moved in the bridge construction process, when box girders are required to be supported by the box girder pedestal on stations in different construction steps, a box girder pedestal needs to be manufactured again and fixed on the required stations and cannot be used for multiple times, and construction time and raw materials are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve traditional case roof beam pedestal structure fixed, can not remove the position of case roof beam pedestal according to the construction demand, unable repetitious usage has increased the problem of raw and other materials and engineering time cost.

In order to achieve the purpose, the utility model discloses a basic scheme provides a case roof beam pedestal of automatic walking, including evenly establishing a plurality of precast beam assembly lines at the job site, still including installing fixed die block on the precast beam assembly line, with fixed die block sliding connection's movable die block, be used for supporting pedestal body and the controller of the case roof beam body, pedestal body can be dismantled with movable die block and be connected, and pedestal body bottom both ends symmetry all is equipped with a plurality of jacking cylinders, and pedestal body bottom is equipped with the actuating mechanism who is used for driving pedestal body walking on fixed die block, and jacking cylinder and actuating mechanism all are connected with the controller electricity, are equipped with between two adjacent precast beam assembly lines to be used for trading the line mechanism that the pedestal body trades the line and removes between the adjacent precast beam assembly line.

The principle and effect of this basic scheme lie in:

1. the utility model discloses a set up fixed die block, the activity die block, pedestal body and actuating mechanism, be convenient for to the support and the removal of the case roof beam body on the precast beam assembly line, realized the removal of the case roof beam body according to the position of different processes on the prefabricated roof beam assembly line of monoblock, realized the automatic walking of case roof beam pedestal through controller and actuating mechanism, compare in traditional every process all one set up a case roof beam pedestal, saved the cost and the time of preparation case roof beam pedestal widely, improved the efficiency of case roof beam preparation construction.

2. The utility model discloses a set up jacking cylinder and trade line mechanism, the position of the pedestal body of being convenient for between different precast beam assembly lines is more changeable, has realized carrying out the preparation construction of the case roof beam body with single pedestal body on applying to different precast beam assembly lines, makes the pedestal body can be applied to the preparation of the case roof beam body repeatedly, has reached only need to trade the line to the pedestal body alright carry out the purpose that uses to idle precast beam assembly line, has improved the work efficiency of case roof beam construction.

3. Compared with the prior art, the utility model discloses a set up the pedestal body, actuating mechanism and controller, realized that the pedestal body is supporting the automatic walking and the propulsion of the process station of the box girder body on the precast beam assembly line and is removing, need not all to set up the pedestal body on the station of every process, raw and other materials cost and operating time have been practiced thrift widely, through setting up the line change mechanism, be convenient for call single pedestal body to different precast beam assembly lines on, the flexibility is high, make single pedestal body can recycle on the precast beam assembly line of difference, traditional box girder pedestal structural fixation has been solved, can not remove the position of box girder pedestal according to the construction demand, unable repetitious usage, the problem of raw and other materials and engineering time cost has been increased.

Further, actuating mechanism includes a plurality of drive dollies and a plurality of driven dollies of even demountable installation in pedestal body bottom, and driven dolly is established respectively between two adjacent drive dollies, and drive dolly and driven dolly all are connected with the controller electricity. Through setting up drive dolly and driven dolly, be convenient for remove the pedestal body, realize that the pedestal body is supporting box girder body and is removing along each process step on the precast beam assembly line.

Furthermore, the driving trolley is driven by a hydraulic motor, and the hydraulic motor is electrically connected with the controller. The hydraulic motor is used for driving the driving trolley, the output torque is large, and the large-tonnage low-speed movement of the box girder body is convenient to meet and realize.

Furthermore, the two sides of the fixed bottom die are symmetrically provided with vehicle rails matched with vehicles of the driving trolley and the driven trolley. Through setting up the rail, played the guide effect to drive dolly and driven dolly, be convenient for make the pedestal body support the box girder body and remove along the precast beam assembly line and the box girder body is in proper order of sequence completion construction preparation.

Furthermore, the line changing mechanism comprises a line changing road surface arranged between two adjacent precast beam production lines and a plurality of ferrying trolleys used for carrying the pedestal body, the ferrying trolleys can move on the line changing road surface, and the ferrying trolleys are electrically connected with the controller. Through setting up the ferry cart, be convenient for carry out the line change construction of precast beam assembly line to pedestal body and activity die block, the pedestal body of being convenient for removes between adjacent precast beam assembly line, realizes the used repeatedly of pedestal body between different precast beam assembly lines, practices thrift raw and other materials.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a flow chart of a precast beam production line of an automatic walking box beam pedestal according to an embodiment of the present application;

fig. 2 is a diagram showing a main body structure of a box girder pedestal of an automatic walking box girder pedestal according to an embodiment of the present application;

fig. 3 shows a schematic line-changing diagram of a pedestal body of an automatic walking box girder pedestal according to an embodiment of the application;

fig. 4 shows a structural diagram of a ferry trolley of an automatic walking box girder pedestal according to an embodiment of the application;

fig. 5 shows a lifting state structure diagram of a jacking cylinder of an automatic walking box girder pedestal according to an embodiment of the application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a precast beam assembly line 1, a line changing road surface 2, a fixed bottom die 3, a movable bottom die 4, a pedestal body 5, a controller 6, a jacking cylinder 7, a driving trolley 8, a driven trolley 9, a rail 10, a ferry trolley 11, a trolley body 12, a liquid wheel 13, a motor speed reducer 14 and a box beam body 15.

An automatic walking box girder pedestal, the embodiment is shown in figure 1: including evenly establishing two precast beam assembly lines 1 at the job site, every precast beam assembly line 1 all includes the reinforcement district that sets gradually at the job site, the district is pour to the template, evaporate the district, stretch-draw district and deposit the roof beam district, as shown in fig. 2, still including installing fixed die block 3 on precast beam assembly line 1, with fixed die block 3 sliding connection's movable die block 4, a pedestal body 5 and a controller 6 for supporting box girder body 15, controller 6 includes but is not limited to the PLC controller, pedestal body 5 can dismantle with movable die block 4 and be connected, pedestal body 5 and movable die block 4 include but not limited to through fastener demountable installation and be connected, pedestal body 5 bottom both ends are all symmetry evenly to be equipped with two and more than quantity's jacking hydro-cylinders 7, pedestal body 5 bottom is equipped with the actuating mechanism who is used for driving pedestal body 5 walking on fixed die block 3, actuating mechanism includes three drive dollies prostomly 8 and two driven dollies 9 of even demountable installation in pedestal body 5 bottom, driven dollies 9 are established respectively between two adjacent drive dollies 8, driven dollies 9 are installed at the interval between two dolly drive dollies 8, actuating mechanism and actuating mechanism are all electric connection with hydraulic pressure dolly 6, actuating motor drive control is adopted, jacking motor and hydraulic pressure dolly 6, jacking motor is connected.

As shown in fig. 3, rails 10 for matching with vehicles of a driving trolley 8 and a driven trolley 9 are symmetrically arranged on both sides of each fixed bottom die 3, a line changing mechanism for moving the pedestal body 5 between the adjacent precast beam assembly lines 1 is arranged between the adjacent precast beam assembly lines 1, the line changing mechanism comprises a line changing road surface 2 arranged between the adjacent precast beam assembly lines 1 as shown in fig. 1 and two ferry trolleys 11 for carrying the pedestal body 5 as shown in fig. 3, as shown in fig. 5, the maximum lifting height of the pedestal body 5, which can be reached by the jacking cylinders 7, is higher than the height of the ferry trolleys 11, as shown in fig. 4, each ferry trolley 11 is composed of a trolley body 12, four symmetrically arranged liquid wheels 13 and two motor speed reducers 14, each ferry trolley 11 can move on the line changing road surface 2, and each ferry trolley 11 is electrically connected with the controller 6.

In the specific implementation process of the utility model, the pedestal body 5 and the movable bottom die 4 are installed and connected, the wheels of the driving trolley 8 and the driven trolley 9 at the bottom of the pedestal body 5 are matched with the rails 10, the whole box girder pedestal is placed in the steel bar binding area, the binding of the girder body mold formed by steel bar binding is completed and placed at the top of the pedestal body 5, the driving trolley 8 is controlled by the controller 6 to move forwards from the steel bar binding area to the template pouring area, the driven trolley 9 slides along with the pushing of the driving trolley 8, when the box girder 15 supported on the pedestal body 5 reaches the template pouring area, the controller 6 controls the driving trolley 8 to stop moving, then concrete pouring is carried out on the girder body mold, and the box girder 15 which is formed preliminarily is obtained, and then the controller 6 controls the driving trolley 8 to move forwards from the template pouring area to the steam curing area again, stops moving after the box girder 15 supported on the pedestal body 5 reaches the steam curing area, starts to steam cure the box girder 15, continues to control the driving trolley 8 to move forwards from the steam curing area to the tensioning area after the steam curing of the box girder 15 is completed, stops moving after the box girder 15 supported on the pedestal body 5 reaches the tensioning area, starts to tension the box girder 15, suspends the box girder 15 to the girder storage area through the existing lifting appliance after the tensioning of the box girder 15 is completed, and controls the driving trolley 8 to drive the pedestal body 5 to move reversely along the rail 10 on the fixed bottom die 3 by the controller 6, and returns to the template pouring area to perform a new round of box girder 15 pouring construction.

If precast beam assembly line 1 of current construction temporarily can not use or be in when the idle position of construction, can trade line 5 with the pedestal body on the current precast beam assembly line 1 to next precast beam assembly line 1 that needs the construction on, make pedestal body 5 can realize nimble trade line and station and call, specific trade line process is: the controller 6 controls the jacking oil cylinder 7 to extend and lift, the jacking oil cylinder 7 lifts the pedestal body 5, the movable bottom die 4 and the driving mechanism in the extending and lifting process, so that the whole box girder pedestal structure is separated from the rail 10 on the fixed bottom die 3 and is suspended, when the height from the lowest point of the pedestal body 5 to the fixed bottom die 3 is greater than the height of the ferry trolley 11, the extension and lifting of the jacking oil cylinder 7 can be stopped, then the controller 6 controls the two ferry dollies 11 to move to the position under the pedestal body 5 at the same time, then the controller 6 controls the jacking oil cylinder 7 to shorten and descend again until the pedestal body 5 is completely pressed on the surface of the ferry trolley 11 and the jacking oil cylinder 7 is shortened to the original length state, then the controller 6 controls the ferry trolley 11 to transversely move from one precast beam assembly line 1 to the other precast beam assembly line 1 along the line changing road surface 2, and the wheels of the driving trolley 8 and the driven trolley 9 are aligned with the rail 10 on the other precast beam production line 1, and then the ferry trolley 11 stops moving, at the moment, the controller 6 controls the jacking oil cylinder 7 to extend and lift until the whole box girder pedestal is lifted to be separated from the surface of the ferry trolley 11, and when the ferry trolley 11 is moved out from the lower part of the table seat body 5, the extension and the lifting of the jacking oil cylinder 7 are stopped, then the controller 6 controls the ferry trolley 11 to move out of the precast beam assembly line 1 below the pedestal body 5, finally the controller 6 controls the jacking oil cylinder 7 to shorten and descend, so that the pedestal body 5 falls to the driving trolley 8 and the driven trolley 9, the wheels of the driving trolley and the driven trolley are completely matched with the rails 10, the pedestal body 5 is completely supported by the fixed bottom die 3, and the control of the jacking oil cylinder 7 is stopped, and therefore the line changing of the pedestal body 5 is completed.

Compared with the prior art, the utility model discloses a set up pedestal body 5, driving trolley 8, driven trolley 9, rail 10 and controller 6, realized that pedestal body 5 is supporting the automatic walking and the propulsion of the process station of box girder body 15 on precast beam assembly line 1 and is removing, need not all to set up pedestal body 5 on the station of every process, raw and other materials cost and operating time have been practiced thrift widely, through setting up lane change road surface 2 and ferry dolly 11, be convenient for call single pedestal body 5 to different precast beam assembly lines 1 on, the flexibility is high, make single pedestal body 5 can recycle on different precast beam assembly lines 1, traditional box girder pedestal structural fixation has been solved, can not remove the position of box girder pedestal according to the construction demand, unable repetitious usage, the problem of raw and other materials and construction time cost has been increased.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an automatic box girder pedestal of walking, includes a plurality of precast beam assembly lines of evenly establishing at the job site, its characterized in that: still including installing the fixed die block on the precast beam assembly line, with fixed die block sliding connection's movable die block, be used for supporting pedestal body and the controller of the case roof beam body, the pedestal body can be dismantled with the movable die block and be connected, and pedestal body bottom both ends are all the symmetry and are equipped with a plurality of jacking hydro-cylinders, and pedestal body bottom is equipped with the actuating mechanism who is used for driving the pedestal body and walks on fixed die block, and jacking hydro-cylinder and actuating mechanism all are connected with the controller electricity, are equipped with between two adjacent precast beam assembly lines to be used for trading the line mechanism that the pedestal body trades the line and removes between adjacent precast beam assembly line.

2. The box girder pedestal of claim 1, wherein the driving mechanism comprises a plurality of driving trolleys and a plurality of driven trolleys which are uniformly and detachably mounted on the bottom of the pedestal body, the driven trolleys are respectively arranged between two adjacent driving trolleys, and the driving trolleys and the driven trolleys are electrically connected with the controller.

3. The self-propelled box girder pedestal of claim 2, wherein the driving trolley is driven by a hydraulic motor, and the hydraulic motor is electrically connected to the controller.

4. The self-propelled box girder pedestal according to claim 2 or 3, wherein rails for engaging with a vehicle of the driving bogie and the driven bogie are symmetrically arranged on both sides of the fixed bottom mold.

5. The automatic walking box girder pedestal according to any one of claims 1 to 3, wherein the line changing mechanism comprises a line changing road surface arranged between two adjacent precast girder assembly lines and a plurality of ferry trolleys for carrying the pedestal body, the ferry trolleys can move on the line changing road surface, and the ferry trolleys are electrically connected with the controller.