CN207987778U - Guide girder machine with rotatable middle nose girder supporting leg - Google Patents

Abstract

The utility model relates to the technical field of bridge machinery, in particular to a beam guiding machine with rotatable middle guiding beam legs. The beam guide machine with rotatable middle guide beam legs of the utility model comprises the main beam of the guide beam and the middle guide beam legs, the middle guide beam legs are movably connected with the guide beam main beam, so that the middle guide beam legs can Move along the length direction of the main beam of the guide beam; the legs of the middle guide beam include the middle and lower section columns, which are located at the bottom of the legs of the middle guide beam, and the middle and lower section columns can be rotated to change the relationship between the middle and lower section columns and the guide beam The included angle of the main girder in the horizontal direction. The beam guide machine of the utility model has rotatable middle guide beam legs, wherein the guide beam legs can rotate relative to the guide beam main beam, so as to meet the requirements of curved beam erection.

Description

Beam Guided Machine with Rotatable Center Guide Beam Outriggers

technical field

The utility model relates to the technical field of bridge machinery, in particular to a beam guiding machine with rotatable middle guiding beam legs.

Background technique

The integrated frame transporter can be used for hoisting and transporting concrete box girders of passenger dedicated lines in concrete beam yards, and can erect concrete box girders at bridge positions. The existing all-in-one machine for transporting frames mainly includes two parts: a beam transporting machine and a beam guiding machine. The beam transporting machine is used for hoisting and transporting the beam guiding machine and the concrete box girder, and the beam guiding machine is used for guiding the beam transporting machine to lift the concrete box girder.

Compared with the traditional frame transport equipment, the frame transport integrated machine has fast construction speed and flexible maneuverability, which can realize zero-distance bridge erection at the tunnel entrance, and bridge erection at the tunnel entrance connecting bridges and tunnels in mountainous areas without dismantling any parts and without assistance Advantages of machinery and excessive labor.

The legs of the center guide beam of the existing beam guide machine of the integrated frame transporter are fixed at the midpoint of the main beam of the guide beam, and the legs of the front guide beam can only be retracted upward by rotating the legs of the front guide beam without hindering the main beam of the guide beam. work. However, since the position of the legs of the center guide beam is fixed, when the midpoint of the main girder of the guide beam is not located above the pier, the legs of the center guide beam will not be able to support the main girder of the guide beam. At the same time, due to the fixed position of the legs of the middle guide beam, the cooperation of the legs of the guide beam cannot be used to realize the curved beam erecting condition of the beam guide machine.

Therefore, in view of the above deficiencies, it is necessary to provide a beam guide machine in which the legs of the middle guide beam can rotate relative to the main beam of the guide beam to meet the requirements of curved beam erection.

Utility model content

(1) Technical problems to be solved

The technical problem to be solved by the utility model is to solve the problem that the beam guide machine in the prior art cannot meet the requirements of curved beam erection due to the fixed position of the legs of the guide beam in the prior art.

(2) Technical solution

In order to solve the above technical problems, the utility model provides a beam guide machine with rotatable middle guide beam legs,

It includes the main beam of the guide beam and the outriggers of the middle guide beam, the outriggers of the middle guide beam are movably connected with the main beam of the guide beam, so that the outriggers of the middle guide beam can move along the length direction of the main beam of the guide beam;

The legs of the middle guide beam include middle and lower section columns, which are located at the bottom of the middle guide beam legs, and the middle and lower section columns can be rotated to change the angle between the middle and lower section columns and the main beam of the guide beam in the horizontal direction.

Further, the legs of the middle guide beam include the upper middle section column, the middle middle section column and the lower middle section column which are sequentially connected from top to bottom in the vertical direction, the upper middle section column is connected with the main beam of the guide beam, and the middle section column It can move relative to the middle and upper section columns in the vertical direction and can drive the middle and lower section columns to rotate, and the middle and lower section columns can turn over the bottom surface of the main girder of the guide beam.

Further, the upper middle section column includes a middle section connection part and a middle section rotation part, the middle section connection part is connected with the middle section rotation part in rotation, the middle section connection part is connected with the main beam of the guide beam, and the middle section rotation part is connected with the middle section column connect.

Further, the middle and lower section columns include two middle and lower section units, which are vertically arranged along the width direction of the main girder of the guide beam, and are respectively hingedly connected to the middle section rotating part.

Further, the bottom surface of the main beam of the guide beam is provided with a guide rail of the middle leg along the centerline, and the legs of the middle guide beam are connected to the bottom of the main beam of the guide beam through the cooperation of the middle wheel train and the guide rail of the middle leg.

Further, the middle wheel train includes a middle guide wheel, and the middle guide wheel is arranged on the top of the leg of the middle guide beam, so that the middle guide wheel is located in the middle leg guide rail parallel to the bottom surface of the middle leg guide rail, and the diameter of the middle guide wheel is the same as The middle leg rails are the same width.

Further, the middle wheel train also includes a middle anti-hanging wheel, which is arranged on the top of the middle guide beam leg, and is used to connect the middle guide beam leg and the middle leg guide rail.

Further, the middle wheel train also includes a middle support wheel, which is arranged on the top of the leg of the middle guide beam, and is located between the upper middle section column and the bottom surface of the main beam of the guide beam, so as to support the main beam of the guide beam.

Further, it also includes the front guide beam legs, the front guide beam legs are movably arranged on the guide beam main beam; the front guide beam legs include two up and down sliding columns, and the up and down sliding columns are respectively vertically arranged on the two sides of the front guide beam legs. end, and the up and down sliding columns can move synchronously along the width direction of the main beam of the guide beam; the distance between the two up and down sliding columns is greater than the maximum width of the legs of the middle guide beam.

Further, the rear guide beam leg is also included, the rear guide beam leg is rotationally connected with the rear end of the guide beam main beam, and the rear guide beam leg can rotate in a vertical plane.

(3) Beneficial effects

Compared with the prior art, the above-mentioned technical solution of the utility model has the following advantages:

The beam guide machine with rotatable middle guide beam legs of the utility model, wherein the middle and lower section columns of the guide beam legs are located at the bottom end of the middle guide beam legs, and the middle and lower section columns can be rotated to change the middle and lower section columns The included angle with the main girder of the guide beam in the horizontal direction is to meet the needs of curved girders. At the same time, the legs of the middle guide beam can also move along the length direction of the main beam of the guide beam, so that the legs of the middle guide beam can support any position of the main beam of the guide beam, so as to cooperate with the movement of the main beam of the guide beam when the box girder is erected. The bridge erection work was successfully completed.

Description of drawings

Fig. 1 is a structural schematic diagram of an all-in-one machine for transporting a frame using a beam guide machine with a rotatable center guide beam leg in an embodiment of the present invention;

Fig. 2 is a schematic structural view of a beam guide machine with rotatable middle guide beam legs in an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the middle guide beam support leg of the beam guide machine in the embodiment of the present invention;

Fig. 4 is the left view of the front guide beam supporting leg of the beam guide machine according to the embodiment of the present invention;

Fig. 5 is the front view of the front guide beam supporting leg of the beam guide machine according to the embodiment of the present invention;

Fig. 6 is a left view of the rear guide beam leg of the beam guide machine according to the embodiment of the present invention;

Fig. 7 is a front view of the rear guide beam leg of the beam guide machine according to the embodiment of the present invention;

Fig. 8 is a schematic structural view of the jack bracket of the beam guide machine according to the embodiment of the present invention;

Fig. 9 is a schematic structural view of the multifunctional trolley of the beam guide machine according to the embodiment of the present invention;

Fig. 10 is a schematic structural view of a trolley of a multifunctional trolley according to an embodiment of the present invention;

Fig. 11 is a structural schematic diagram of a trolley suspension mechanism of a multifunctional trolley in an embodiment of the present invention;

Fig. 12 is a schematic structural view of the third trolley of the multifunctional trolley in the embodiment of the present invention;

Fig. 13 is a schematic structural view of the beam transporter of the all-in-one frame transporter according to the embodiment of the present invention;

Fig. 14 is a front view of the front walking system of the beam transporter according to the embodiment of the present invention;

Fig. 15 is a left view of the front walking system of the beam transporter according to the embodiment of the present invention;

Fig. 16 is a structural schematic diagram of the telescopic beam transporting legs of the beam transporting machine according to the embodiment of the present invention;

Figures 17-31 are working flow charts of the method for installing the beam guide machine at the beam erecting station by using the beam guide machine integrated machine with rotatable middle guide beam legs in the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the embodiment of the present utility model, as shown in Figure 1, the beam guide machine with rotatable middle guide beam legs in the embodiment of the present utility model is applied to the integrated machine for transporting frames, wherein the integrated machine for transporting frames includes the beam guide machine 100 and a beam transporter 200, wherein the beam transporter 200 is used to lift the guide beam machine 100 and the concrete box girder (hereinafter referred to as "box girder"), and the beam guide machine 100 assists the beam transporter 200 to cooperate in realizing bridge erection. perforated beams. Specifically, the beam transporting machine 200 can transport the beam guiding machine 100, and cooperate with the beam guiding machine 100 to keep the beam guiding machine 100 at the beam erecting station. The beam transport machine 200 can also travel between the beam field and the beam erecting station to transport the box girder, and cooperate with the beam guide machine 100 to complete the erection of the box girder.

As shown in Figure 2, the beam guide machine 100 with rotatable middle guide beam legs of the embodiment of the present invention includes a guide beam main beam 110, a front guide beam support leg 120, a middle guide beam support leg 130 and a rear guide beam support The legs 140 , the front guide beam legs 120 , the middle guide beam legs 130 and the rear guide beam legs 140 are respectively arranged on the guide beam main beam 110 . Wherein, the front guide beam leg 120 and the middle guide beam leg 130 can move on the guide beam main beam 110 along the length direction of the guide beam main beam 110 respectively. And the front leading beam leg 120 is always arranged vertically, and can extend or retract the bottom surface of the leading beam main beam 110 . When the front guide beam support leg 120 stretches out the bottom surface of the guide beam main beam 110, it can support the guide beam main beam 110; Obstacles prevent the beam transport machine 200 from transporting the beam guide machine 100 . The middle guide beam support leg 130 can be arranged vertically and is positioned at the below of the guide beam main beam 110, and can also be hoisted by the front suspension device 170 at the front end of the guide beam main beam 110 and be installed on the front end of the guide beam main beam 110, and The bottom surface of the middle guide beam leg 130 is not lower than the bottom surface of the guide beam main beam 110 . When the middle guide beam support leg 130 is located below the guide beam main beam 110, it can support the guide beam main beam 110; when the middle guide beam support leg 130 is suspended at the front end of the guide beam main beam 110, it can prevent the middle guide beam support leg 130 contacts the ground or other obstacles to prevent the beam transport machine 200 from transporting the beam guide machine 100 . The rear guide beam support leg 140 is rotatably connected to the rear end of the guide beam main beam 110, therefore, the rear guide beam support leg 140 can rotate in the vertical plane, so that the rear guide beam support leg 140 can be vertically arranged on the guide beam main beam 110 is disposed below or parallel to the rear end of the guide beam main beam 110 . When the rear guide beam legs 140 are arranged vertically, they can support the guide beam main beam 110; when the rear guide beam legs 140 are arranged horizontally, they can prevent the beam transporter 200 from being hindered from transporting the guide beam machine 100.

It should be noted that, in the embodiment of the present utility model, the front end of the main girder 110 of the guide beam and the front end of the beam guide machine 100 are the same end, specifically, the beam guide machine 100 is far away from the beam transport machine 200 when performing bridge erection work. Or an end that is not connected with the beam transporter 200; the rear end of the guide beam main girder 110 is the same end as the rear end of the beam guide machine 100, specifically, the beam guide machine 100 is close to the beam transporter 200 when performing bridge erection work. Or an end connected with the beam transporter 200.

In the embodiment of the utility model, the front end of the guide beam main beam 110 is provided with a front suspension structure, and the bottom surface of the guide beam main beam 110 is provided with a middle leg guide rail along the center line, and the middle leg guide rail extends to the front suspension structure. On the bottom surface, the middle guide beam support leg 130 is connected below the guide beam main beam 110 through the middle wheel train and the middle support leg guide rail, so that the middle guide beam support leg 130 is connected with the middle support leg guide rail, so that the middle guide beam support leg 130 can It moves under the guide beam main beam 110 and the front suspension structure along the length direction of the guide beam main beam 110 . Wherein, the middle guide beam support leg 130 can slide to the front end of the guide beam main beam 110, and finally can be hoisted on the front suspension mechanism at the front end of the guide beam main beam 110; the middle guide beam support leg 130 can also be moved to the guide beam main beam. The rear end of the beam 110 and eventually moves to a position close to the rear guide beam leg 140 . During the movement of the middle guide beam support leg 130, since its maximum width is the same as the width of the guide beam main beam 110 and is located directly below the guide beam main beam 110, it will not hinder the front guide beam support leg 120 or more The movement of the functional trolley 150 will not be hindered by the leading beam support leg 120 or the multifunctional trolley 150 either.

The front suspension structure includes a guide beam lifting frame and a winch arranged on the guide beam lifting frame, and the middle guide beam leg 130 moves to the front suspension structure from the bottom surface of the guide beam main beam 110 or the front suspension structure through the middle wheel train At the junction with the main beam 110 of the guide beam, the winch can drive the legs 130 of the middle guide beam to move up or down, so that the legs 130 of the middle guide beam can move to another position in the main beam 110 of the guide beam or the front suspension structure. the underside of one. For example, when the middle guide beam support leg 130 moves along the bottom surface of the guide beam main beam 110 to the junction of the front suspension structure and the guide beam main beam 110, the winch works and drives the middle guide beam support leg 130 to move up, so that the middle guide beam The guide beam legs 130 are able to move up onto the guide beam jack and eventually to the front end of the guide beam jack. When the legs 130 of the middle guide beam move in the opposite direction, the principle is the same, and will not be repeated here.

As shown in FIG. 3 , the middle guide beam leg 130 includes a middle and upper section column, a middle middle section column 133 and a middle and lower section column 134 which are sequentially connected from top to bottom along the vertical direction. The middle-middle section column 133 can move vertically relative to the middle-upper section column. The middle and lower section column 134 is located at the bottom of the middle guide beam leg 130 , and the middle and lower section column 134 can turn over the bottom surface of the guide beam main beam 110 . At the same time, the middle middle section column 133 and the middle lower section column 134 can also rotate relative to the middle upper section column to change the included angle between the middle middle section column 133 , the middle lower section column 134 and the guide beam main beam 110 in the horizontal direction.

Specifically, the middle and upper section columns are used to connect with the main beam 110 of the guide beam, and play a role of connecting the legs 130 of the middle guide beam with the main beam 110 of the guide beam. The middle middle section column 133 is slidingly connected with the middle and upper section column, and plays a role of supporting the main beam 110 of the guide beam, and is used to bear the heavy load of the beam transport machine 200 through the hole. Between the middle section column 133 and the middle upper section column, there is a vertically arranged middle sliding hydraulic cylinder, so that the middle section column 133 can move vertically, so that the middle section column 133 can move relative to the middle and upper section column. Relative movement in its length direction enables the central guide beam legs 130 to be extended or shortened as a whole, meeting the requirements for different lengths of the central guide beam legs 130 .

At the same time, the middle and upper section columns can also drive the middle and middle section columns 133 and the middle and lower section columns 134 to rotate, so as to adjust the position of the beam guide machine 100 according to the specific conditions during curved bridge erection. Specifically, the upper middle section column includes a middle section connection part 131 and a middle section rotation part 132, the middle section connection part 131 is connected with the middle section rotation part 132 in rotation, the middle section connection part 131 is connected with the guide beam main beam 110, and the middle section rotates The portion 132 is connected to the middle column 133 . In the embodiment of the present utility model, the middle section connecting part 131 and the middle section rotating part 132 can be connected through the middle section rotating shaft 135 .

The middle and lower section column 134 includes two middle and lower section units, and each middle and lower section unit is arranged along the width direction of the guide beam main beam 110 and is hingedly connected to the bottom of the middle and middle section column 133 respectively. In one embodiment of the present utility model, the middle and lower joint units can be hingedly connected to the middle joint rotating part 132 respectively. The two middle and lower joint units can turn over 90° on the bottom surface of the guide beam main beam 110 along the length direction of the guide beam main beam 110, so that the middle and lower joint units have two states of vertical or horizontal, that is, the middle and lower joint units are relatively The main beam 110 of the guide beam has two states: vertical or parallel to the main beam 110 of the guide beam, so that the overall length of the legs 130 of the middle guide beam can be further extended or shortened to meet the requirements of different beam heights.

The middle wheel train includes a middle guide wheel, a middle anti-hanging wheel and a middle support wheel. The middle guide wheel, the middle anti-hanging wheel and the middle support wheel are respectively arranged on the top of the middle guide beam leg 130, specifically, they can be respectively arranged on the upper middle section the top of the column.

Wherein, the middle anti-hanging wheel is used to connect the middle guide beam leg 130 with the middle leg guide rail, and can play an anti-overturning effect. The middle anti-hanging wheel is connected with a motor, which provides power for the middle anti-hanging wheel, so that the middle anti-hanging wheel can drive the middle guide beam supporting leg 130 to move on the middle leg guide rail. The middle guide wheel is located in the middle leg guide parallel to the bottom surface of the middle leg guide rail, and the diameter of the middle guide wheel is the same as the width of the middle leg guide rail, so that the middle guide wheel can guide the middle guide beam support according to the track of the middle leg guide rail. Leg 130 moves. The middle support wheel is located between the middle upper section column and the bottom surface of the guide beam main beam 110 to support the guide beam main beam 110 and can support the longitudinal movement of the guide beam main beam 110 through the hole.

As shown in FIGS. 4-5 , the front leading beam leg 120 includes an encircling mechanism 121 , a left and right sliding beam 122 and an up and down sliding column 123 . Wherein, the front guide beam leg 120 is movably connected to the guide beam main beam 110 through the encircling mechanism 121 , so that the front guide beam support leg 120 can move along the length direction of the guide beam main beam 110 . The left and right sliding beams 122 are connected to the embracing mechanism 121 so as to move horizontally, and can drive the up and down sliding columns 123 to move along the width direction of the guide beam main beam 110 . The up and down sliding columns 123 are disposed on both ends of the left and right sliding beams 122 , and can slide vertically so that the up and down sliding columns 123 can stretch out or retract from the bottom surface of the guide beam main beam 110 . When the up and down sliding column 123 stretched out the bottom surface of the guide beam main beam 110, it could support the guide beam main beam 110; The beam transport machine 200 is hindered from transporting the beam guide machine 100 .

The front guide beam leg 120 also includes a front wheel train. The encircling mechanism 121 is sleeved on the guide beam main beam 110 and is movably connected to the guide beam main beam 110 through the front wheel train. The front wheel train includes a front load-bearing wheel 126, a front road wheel 124 and a front anti-hanging wheel 125; the front road wheel 124 is arranged between the encircling mechanism 121 and the top surface of the guide beam main beam 110, and the front road wheel 124 groups are connected to the driving mechanism. It is used to drive the embracing mechanism 121 to move. The front anti-hanging wheel 125 movably connects the embracing mechanism 121 and the guide beam main beam 110 to prevent overturning. Both sides of the top of the guide beam main beam 110 are provided with flanges, and the front bearing wheels 126 are arranged between the embracing mechanism 121 and the bottom surface of the flanges to play a load-bearing role.

The top of the embracing mechanism 121 is provided with an embracing bracket, and the left and right sliding beams 122 can move along the width direction of the guide beam main beam 110 and pass through the embracing brackets, and can be driven by the front traverse hydraulic cylinder, so that the left and right sliding beams 122 can move along the guide beam main beam 110. The beam main girder 110 moves horizontally in the width direction, so that the upper and lower sliding columns 123 can move synchronously along the width direction of the guide girder main girder 110 to meet the girder erection requirements of the curved section of the bridge.

The up and down sliding columns 123 are respectively slidably connected to two ends of the left and right sliding beams 122 , and the up and down sliding columns 123 can move vertically relative to the left and right sliding beams 122 . Simultaneously, the distance between the two up and down sliding posts 123 is greater than the maximum width of the middle guide beam support leg 130, so that the middle guide beam support leg 130 can freely pass through the front guide beam support leg 120, between the middle guide beam support leg 130 and the front guide beam support leg 120. When the legs 120 of the leading beam move, they will not hinder each other. In the embodiment of the present utility model, the up and down sliding column 123 and the left and right sliding beam 122 can be connected through the front vertical hydraulic oil cylinder, and the up and down sliding column 123 is driven to extend or retract the bottom surface of the guide beam main beam 110 in the vertical direction to meet the requirements of the frame. Different height requirements for beams.

In the embodiment of the present invention, the bottom of the upper and lower sliding columns 123 is provided with a front support base, and the maximum width of the bottom of the front support base is smaller than the width between the upper and lower sliding columns 123, thereby ensuring that the bottom of the front guide beam legs 120 can fully support On the bridge pier to be erected, it is prevented that the front guide girder outrigger 120 cannot reliably support the guide girder main girder 110 on the bridge pier to be erected because the distance between the upper and lower sliding columns 123 is greater than the width of the bridge pier to be erected.

As shown in FIGS. 6-7 , the rear guide beam leg 140 includes a rear fixing section 141 , a rear sliding section 142 and a rear lower column 143 from top to bottom in the vertical direction. Wherein, the rear sliding section 142 can drive the rear lower section column 143 to slide vertically relative to the rear fixed section 141, so that the rear guide beam support leg 140 can be extended or shortened as a whole to meet the needs of different lengths of the rear guide beam support leg 140. demand. The rear lower section column 143 can turn over the bottom surface of the guide beam main beam 110 (specifically, overturn towards the direction of the middle guide beam support leg 130), that is, the rear lower section column 143 has a direction perpendicular to or parallel to the guide beam main beam 110. The main beam 110 has two states to further extend or shorten the overall length of the rear guide beam leg 140 to meet the requirements of different beam heights.

Specifically, the top of the rear fixing section 141 is connected to the guide beam main beam 110 through the guide beam fixing shaft 144, so that the rear fixing section 141 can rotate around the guide beam fixing shaft 144, so that the rear guide beam legs 140 can be recovered to It is arranged parallel to the rear end of the guide beam main beam 110 to facilitate the forward or backward movement of the guide beam main beam 110 without being obstructed by the ground or other obstacles.

The rear guide beam leg 140 also includes a rear sliding section 142 , which is slidingly connected to the rear fixing section 141 , and the rear sliding section 142 can move relative to the rear fixing section 141 along the length direction of the rear fixing section 141 . Specifically, the rear sliding section 142 is connected to the rear fixing section 141 through a rear sliding hydraulic cylinder, so that the rear sliding section 142 can move relative to the rear fixing section 141 along its length direction.

The rear lower section column 143 is disposed at the bottom of the rear sliding section 142 , and the rear lower section column 143 can turn over the bottom surface of the guide beam main beam 110 . Specifically, the rear lower section column 143 is disposed at the bottom of the rear sliding section 142 and is rotatably connected with the rear sliding section 142 . In the embodiment of the present utility model, the rear lower section column 143 and the rear sliding section 142 can be hinged. Therefore, the rear lower section column 143 can be folded up, that is, the rear lower section column 143 can turn over the ground of the guide beam main beam 110, so as to adjust the height of the beam guide machine 100, and realize the low-level beam erection at the tunnel entrance or the high-level frame without tunnel conditions beam.

It should be noted that, when the beam guide machine with the rotatable center guide beam legs of the embodiment of the present invention is in the curved bridging working condition, it can take the center guide beam legs 130 as the fulcrum, and control the center guide beam support The relative rotation between the middle and lower section column 134 and the middle section column 133 of the leg 130 and the guide beam main beam 110 changes the angle between the bottom end of the middle and lower section column 134 and the guide beam main beam 110, so that the guide beam main beam The rear guide beam leg 140 at the rear end of the beam 110 may be located right above the corresponding bridge pier to be erected. And by controlling the left and right sliding beams 122 of the leading beam legs 120 to move along the width direction of the guiding beam main beam 110, to change the position of the up and down sliding columns 123, so that the up and down sliding columns 123 are located directly above the corresponding pier to be erected. Thereby, the beam guide machine 100 can be adjusted to be in place according to the specific conditions during the curve bridge erection.

In the embodiment of the present invention, the front guide beam outrigger 120, the middle guide beam outrigger 130 and the rear guide beam outrigger 140 can drive the guide beam main beam 110 to rise or lower, so that the guide beam main beam 110 is in the high position Or a lower position. In order to ensure that the height of the guide beam main beam 110 can be adjusted reliably, as shown in Figure 8, the rear end of the guide beam main beam 110 is provided with a jack bracket 160, when the guide beam main beam 110 is between the high position or the low position When changing between, the jack bracket 160 can support the jack, so as to adjust the height with the main beam 110 of the guide beam.

In one embodiment of the present invention, the jack bracket 160 is detachably connected to the main beam 110 of the guide beam. In another embodiment of the present invention, the jack bracket 160 is movably connected with the main beam 110 of the guide beam, and can extend or retract the rear end of the main beam 110 of the guide beam 110 along the length direction of the main beam of the guide beam 110 . In yet another embodiment of the present utility model, the jack bracket 160 is rotatably connected to the main beam 110 of the guide beam, so that the jack bracket 160 can extend or retract the rear end of the main beam 110 of the guide beam.

The embodiment of the utility model uses the jack bracket 160 to realize the height adjustment of the guide beam main beam 110 of the beam guide machine 100. The specific method is as follows:

When the height of the guide beam main beam 110 needs to be lowered, the jack support 160 protrudes from the rear end of the guide beam main beam 110 and is supported on the jack. The middle and lower section column 134 of the middle guide beam support leg 130 is turned upward, and the rear lower section column 143 of the rear guide beam support leg 140 is turned upward. The jack and the front guide beam legs 120 descend simultaneously, so that the middle guide beam legs 130 and the rear guide beam legs 140 are supported on the pier to be erected. At this time, the jack can be disassembled, and the jack bracket 160 can be retracted to the rear end of the guide beam main beam 110, thereby completing the switch of the guide beam main beam 110 from the high position to the low position. When the height of the main girder 110 of the guide beam needs to be increased, the principle is the same and will not be repeated here.

In the embodiment of the present utility model, the beam guide machine 100 with rotatable middle guide beam legs also includes a multifunctional trolley 150, which is movably arranged on the main beam 110 of the guide beam, and the multifunctional platform The cart 150 can move relative to the guide beam main beam 110 along the length direction of the guide beam main beam 110 , and is used to drive the guide beam main beam 110 to move or drive the beam transporter 200 to move.

As shown in Figure 9, the multifunctional trolley 150 includes a plurality of trolleys 151 and an integral vehicle frame 152, the trolleys 151 are respectively arranged along the length direction of the guide beam main beam 110 and connected with the guide beam main beam 110, and the trolleys 151 are respectively connected to The top inside of the monocoque frame 152 . Specifically, the trolleys 151 are respectively movably connected to the main girder 110 of the guide beam, and the trolleys 151 can move along the length direction of the main beam 110 of the guide beam. The car lifting oil cylinder is connected to the top inner side of the integral vehicle frame 152, so that the integral vehicle frame 152 can rise or fall vertically.

In the embodiment of the present invention, two sides of the integral vehicle frame 152 are provided with supporting platforms 153 for driving the movement of the beam transporter 200 . Because the front guide beam support leg 120, the middle guide beam support leg 130 and the rear guide beam support leg 140 can drive the guide beam main beam 110 and the multi-function trolley 150 to do lifting motion synchronously, so that the guide beam main beam 110 and the multi-function trolley 150 is in high position or low position. When the guide beam main beam 110 and the multifunctional trolley 150 are in the low position, in order to ensure that the overall height of the support platform 153 is constant, that is, to ensure that the height of the front driving system of the beam transporter 200 is constant, the support platform 153 A trolley support frame is provided.

In the embodiment of the present utility model, a relative movement mechanism is provided between the integral vehicle frame 152 and the main beam of the guide beam 110 for driving the multifunctional trolley 150 to move relative to the main beam of the guide beam 110 . That is, when the position of the multifunctional trolley 150 is fixed, the multifunctional trolley 150 can drive the main beam 110 of the guide beam to move;

In one embodiment of the present utility model, the relative movement mechanism includes a guide beam chain arranged on the guide beam main beam 110 and a neutral driver arranged on the top of the trolley 151 near the front end of the guide beam main beam 110; the neutral driver includes a trolley The frame sprocket and the middle drive motor, the guide beam chain is connected with the frame sprocket, the middle drive motor can be a hydraulic motor and a reducer, the hydraulic motor drives the reducer, and the drive frame sprocket drives the guide beam through the reducer chain, so that the multifunctional trolley 150 and the guide beam main beam 110 do relative motion.

In another embodiment of the utility model, the relative movement mechanism includes a guide beam rack arranged on the guide beam main beam 110 and a neutral driver arranged on the top of the trolley 151 near the front end of the guide beam main beam 110; Including the frame gear and the middle drive motor, the guide beam rack is connected with the frame gear, and the center drive motor drives the frame gear to drive the guide beam rack, so that the multifunctional trolley 150 is opposite to the guide beam main beam 110 sports.

Each trolley 151 is connected to the top inner side of the integral vehicle frame 152 in a liftable and movable manner through a corresponding trolley lifting cylinder. And the integral vehicle frame 152 of the multifunctional trolley 150 of the present utility model can move up and down, when needing to change the height of the guide beam and the multifunctional trolley 150 according to the height of different beam erection stations, the integral vehicle frame can be The height of 152 is adjusted to cooperate with beam transporter 200 to realize beam feeding and beam dropping operations.

In the embodiment of the present utility model, the number of trolleys 151 is six, including one first trolley 151, three second trolleys 151 and two third trolleys in the direction along the front end of the guide beam main beam 110 to the rear end. 151. Two side surfaces of the main beam 110 of the guide beam are respectively provided with rails for trolleys 151 to guide the movement of the trolleys 151 . As shown in Figure 10, the first trolley 151, the second trolley 151 and the third trolley 151 respectively include a trolley beam 151-1 and a trolley slider 151-2, and the trolley slider 151-2 is respectively arranged on the bottom of the trolley beam 151-1. The two ends are connected to the track of the trolley 151 through the anti-grab wheel 151-3 of the trolley, so as to realize the movement of the trolley 151 relative to the main beam 110 of the guide beam. The first dolly 151 is similar in structure to the second dolly 151. Since the middle driver is arranged on the top of the first dolly 151, the difference is only: when the middle driver is installed on the top of the first dolly 151, in order to improve the middle driver The height of the dolly beam 151-1 of the first dolly 151 is higher than that of the second dolly 151. The difference between the third trolley 151 and the first trolley 151 and the second trolley 151 is that the top of the third trolley 151 is also provided with a structure for connecting with the beam transporter 200 .

The top of the multifunctional trolley 150 is provided with a trolley suspension mechanism 154, and the trolley connection mechanism 250 cooperates with the trolley suspension mechanism 154, so that the multifunctional trolley 150 is suspended below the main beam 210 of the beam transportation machine 200, so as to be transported. The beam main beam 210 is loaded with the guide beam main beam 110 . The trolley suspension mechanism 154 is connected with the multifunctional trolley 150 through the trolley hanger, and the trolley hanger can be extended or shortened in the vertical direction, and drives the multifunctional trolley 150 away from or close to the main beam 210 of the transport beam. As shown in Figure 11, the quantity of trolley suspension mechanism 154 is two, and two trolley suspension mechanisms 154 respectively pass two trolleys 151 ( That is, the tops of the two third trolleys 151) are connected, and the trolley hanger includes a telescopic hanger 154-1, a first adjustment section 154-2, and a second adjustment section 154-3 connected successively from top to bottom in the vertical direction. , the second adjustment section 154-3 is movably installed in the first adjustment section 154-2, the first adjustment section 154-2 is movably installed in the telescopic hanger 154-1, and the telescopic hanger 154-1 It is fixedly connected with the trolley suspension mechanism 154. Specifically, the first adjustment section 154-2 and the second adjustment section 154-3 can be respectively driven by corresponding adjustment section hydraulic cylinders, so that the second adjustment section 154-3 can extend or retract to the first adjustment section 154-3. 2. The first adjustment section 154-2 can be extended or retracted to the telescopic hanger 154-1. When the beam transport main beam 210 moves up and down in the vertical direction, the trolley hanger can be stretched to keep the guide beam main beam 110 of the beam guide machine 100 when the beam transport main beam 210 of the beam transport machine 200 moves up and down. The height of the multi-functional trolley 151 remains the same, and is used to meet the different height requirements of the elevated girder, the tunnel exit girder and the tunnel entrance girder. Specifically, when the beam is erected at a high position, the first adjustment section 154-2 fully extends out of the telescopic hanger 154-1, the second adjustment section 154-3 does not extend out of the first adjustment section 154-2, and when the beam is erected at the exit of the tunnel, the first The adjustment section 154-2 and the second adjustment section 154-3 are fully extended, and the first adjustment section 154-2 and the second adjustment section 154-3 are fully retracted when the tunnel entrance beam is erected.

In this utility model embodiment, the top of the multifunctional trolley 150 is also provided with a trolley hanging beam 151-4 and a trolley roof beam 151-5, and the trolley hanging beam 151-4 is connected to the bottom of the trolley hanger. The trolley roof beam 151 - 5 is arranged between the trolley hanger and the multifunctional trolley 150 so as to move relative to the trolley hanger along the vertical direction. Specifically, as shown in FIG. 12, there are two trolley hanging beams 151-4 and two trolley roof beams 151-5, and one trolley hanging beam 151-4 and a corresponding trolley roof beam 151-5 are set as One group, two groups of trolley hanging beams 151-4 and trolley roof beams 151-5 are respectively fixed on the tops of two dollies 151 (ie two third dollies 151) near the rear end of the guide beam main beam 110. The top of the trolley hanging beam 151-4 is provided with a hanging beam suspension part, and the trolley hanging beam 151-4 is hung on the hanging beam at the bottom of the trolley hanger through the hanging beam suspension part. The trolley roof beam 151-5 is located between the top surface of the trolley 151 and the trolley hanger. When the trolley connecting mechanism 250 is connected with the trolley suspension mechanism 154, the multifunctional trolley 150 is hoisted below the main beam 210 of the transport beam, and the telescopic After the hanger 154-1 is stressed, the trolley roof beam 151-5 tightens the trolley hanging beam 151-4, so that the trolley hanging beam 151-4 and the trolley roof beam 151-5 remain locked on the platform. On the hanging beam at the bottom of the car hanger.

As shown in FIG. 13 , the beam transporting machine 200 includes a beam transporting main beam 210 , a front traveling system 220 , a rear traveling system 230 , a lifting structure 260 and telescopic beam transporting legs 240 . Wherein, the main girder 210 of the transporting beam is a beam of a box structure, the front traveling system 220 and the rear traveling system 230 are respectively fixedly connected to the two ends of the transporting beam main beam 210, and the front traveling system 220 is fixed on the front end of the transporting beam main beam 210, The rear walking system 230 is fixed on the rear end of the main girder 210 of the transport beam. The telescopic beam transporting outrigger 240 is arranged on the bottom surface of the beam transporting main beam 210, and the telescopic beam transporting outrigger 240 is disposed between the front driving system and the rear driving system and close to the front driving system. There are two hoisting and hoisting structures 260, and the two hoisting hoisting mechanisms are respectively fixed on the bottom surface of the beam transporting main beam 210, and are located between the telescopic beam transporting legs 240 and the rear walking system 230. The distance between the two lifting structures 260 is the same as the length of the box girder. The lifting mechanism is used to lift the box girder, and the front traveling system 220 and the rear traveling system 230 are used to drive the main girder 210 and other structures of the beam transporting machine 200 to move synchronously, so that the beam transporting machine 200 can transport the beam guiding machine 100 and box girder. When the beam transporting machine 200 needs to be fixed, the telescopic beam transporting legs 240 can be supported on the bottom surface to fix the position of the beam transporting machine 200 .

It should be noted that, in the embodiment of the present utility model, the front end of the beam transporting main girder 210 and the front end of the beam transporting machine 200 are the same end, specifically, the beam transporting machine 200 is close to the beam guiding machine 100 during bridge erection Or an end that is connected with the beam guide machine 100; the rear end of the beam transport main girder 210 and the rear end of the beam transport machine 200 are the same end, specifically, the beam transport machine 200 is far away from the beam guide machine 100 or One end not connected with the beam guide machine 100.

Specifically, each hoisting structure 260 includes two hoisting units, and the two hoisting units are symmetrically fixed on both sides of the main girder 210 of the transport beam. Each lifting structure 260 is respectively used to connect with the front and rear ends of the box girder, and lift the box girder to facilitate the transportation of the box girder.

The bottom surface of the front end of the main girder 210 is provided with an inwardly recessed step surface, and the front walking system 220 is fixed on the step surface. Since the front end of the transport beam main beam 210 is provided with a stepped surface, it can prevent the front end bottom surface of the transport beam main beam 210 from colliding or rubbing against the rear end of the guide beam main beam 110 when the guide beam main beam 110 is connected to the transport beam main beam 210 , so as to avoid hindering the connection between the beam transporting main girder 210 and the beam guiding machine 100 , so that the beam transporting machine 200 cannot transport the beam guiding machine 100 .

In the embodiment of the present invention, the front driving system and the rear driving system can synchronously drive the main girder 210 to move up and down, so that the main girder 210 moves vertically. Specifically, the front walking system 220 includes a front walking frame 221, which is connected to the front end of the transport beam main beam 210, and can drive the transport beam main beam 210 to move up and down. The front traveling system 220 also includes a front traveling wheel set 222, which is arranged at the bottom of the front traveling support 221, and can drive the front traveling support 221 to move up and down. There are two front traveling wheel sets 222, and the two front traveling wheel sets 222 are arranged in parallel along the length direction of the beam transport main girder 210, and the distance between the two front traveling wheel sets 222 is greater than the maximum width of the beam guiding machine 100. The rear traveling system 230 includes a rear traveling support, which is connected to the rear end of the transport beam main beam 210 and can drive the transport beam main beam 210 to move up and down. The rear traveling system 230 also includes a rear traveling wheel set, which is arranged at the bottom of the rear traveling support and can drive the rear traveling support to perform lifting movements. There are two rear traveling wheel groups, and the two rear traveling wheel groups are arranged in parallel along the length direction of the beam main girder 210, and the distance between the two rear traveling wheel groups is greater than the maximum width of the beam guiding machine 100.

Since the front walking system 220 and the rear walking system 230 have the same structure in the embodiment of the present utility model, as shown in FIGS. 14-15 , the front walking system 220 is taken as an example for description. The front walking system 220 includes a front walking support 221 and two front walking wheel sets 222, and the front walking support 221 is used to connect the front walking wheel sets 222 to the lower end of the transport beam main beam 210, so that the front traveling wheel sets 222 can drive the transport beam The front end of the main beam 210 moves. The midpoint of the front travel support 221 is fixed on the front end of the transport beam main beam 210 through the front travel lifting system 223. The front travel lifting system 223 can be a front travel hydraulic cylinder, which can make the transport beam main beam 210 move vertically. It can be raised or lowered to meet the needs of different girder heights. Simultaneously, front walking support 221 is provided with along the length direction of transporting beam main beam 210, and the bottom both sides of preceding traveling support 221 respectively arranges a front traveling wheel set 222 along the length direction of transporting beam main beam 210, two front traveling wheels The distance between the groups 222 is greater than the maximum width of the beam guide machine 100, so that the beam guide machine 100 can pass between the two front walking wheel sets 222, so that the beam transport machine 200 and the beam guide machine 100 can cooperate conveniently, so that the guide beam The machine 100 moves to the beam erecting station or completes the erection of the box girder. The front traveling wheel set 222 is connected to the bottom of the front traveling support 221 through the front wheel hydraulic oil cylinder, and can drive the front traveling support 221 to perform lifting motion, and further drive the main girder 210 of the transport beam to rise or fall.

The two front wheel sets 222 have the same structure, and both include vertically arranged front wheel brackets 224, and a plurality of front wheel brackets 225 are evenly distributed on the bottom of each front wheel bracket 224. Each front walking roller 225 is connected with the front wheel bracket 224 by the front steering mechanism. Specifically, the front steering mechanism is vertically provided with a front steering shaft, the front steering shaft can rotate along its axis, and the front walking roller 225 is fixed on the bottom end of the front steering shaft, so that the front steering shaft can drive the front walking roller 225 to the front steering shaft. The axis of the axis is the axis rotation, thereby completes the adjustment to the walking direction of the front traveling roller 225. Front walking roller 225 is also correspondingly provided with front walking steering system 226, front walking power system and front walking brake system, front walking steering system 226 can drive the front steering shaft to rotate, to change the walking direction of front walking roller 225, front walking power The system can drive the front traveling roller 225 to roll forward or backward, and the front traveling brake system can control the front traveling roller 225 to stop moving.

As shown in Figure 16, the telescoping beam carrier legs 240 can be extended or shortened along their length. Concretely, the telescopic beam transporting leg 240 includes a primary beam transporting leg 241 and a secondary beam transporting leg 242, the primary beam transporting leg 241 is connected with the beam main beam 210, and the secondary beam transporting leg 242 is connected to the The primary beam transport leg 241 is slidably connected so that the secondary beam transport leg 242 can move relative to the primary beam transport leg 241 along the length direction of the primary beam transport leg 241, thereby realizing the utilization of telescopic beam transport support The position of the legs 240 to the beam transporter 200 is fixed.

The telescopic type transport beam support leg 240 also includes transport beam support leg crossbeam 243, transport beam support leg crossbeam 243 is used to connect the first-level transport beam support leg 241 with transport beam main beam 210, transport beam support leg crossbeam 243 is horizontally arranged and connected with The main girder 210 of the transporting beam is connected, and the first-stage transporting beam supporting leg 241 is fixed on the two ends of the transporting beam supporting leg crossbeam 243 .

Wherein, the midpoint of the outrigger crossbeam 243 is fixed on the main beam 210, and the outrigger crossbeam 243 is arranged perpendicular to the main beam 210, and the two ends of the outrigger crossbeam 243 are respectively connected to the first-level girder. The supporting legs 241 and the primary beam transporting legs 241 are arranged perpendicular to the beam transporting beams 243 respectively. The secondary beam transport leg 242 is installed in the primary beam transport leg 241, and the secondary beam transport leg 242 is connected with the hydraulic oil cylinder of the beam transport leg, and controls the secondary beam transport leg 242 to move along the first level. The length direction of the beam leg 241 moves.

The telescopic beam transporting leg 240 also includes the beam transporting leg connecting system 244, and the beam transporting leg connecting system 244 is a tripod structure, and is connected with the primary beam transporting leg 241, the secondary beam transporting leg 242 and the beam transporting leg respectively. The outrigger beam 243 is fixedly connected. The connecting system of the beam supporting legs plays the role of supporting and fixing the primary beam transporting legs 241, the secondary transporting beam supporting legs 242, and the beam transporting beam supporting legs crossbeam 243.

The telescopic beam transporting leg 240 also includes a beam transporting spherical hinge base 245 , and the beam transporting spherical hinge base 245 is fixed on the bottom of the secondary beam transporting leg 242 .

In the embodiment of the present utility model, since the telescopic beam transport leg 240 can be extended or shortened along its length direction, the front guide beam leg 120 and the middle guide beam leg 130 can move along the length direction of the guide beam main beam 110, The rear guide beam support leg 140 can be overturned along the length direction of the guide beam main beam 110, therefore, the telescopic transport beam support leg 240, the front guide beam support leg 120, the middle guide beam support leg 130 and the rear guide beam support leg 140 can cooperate to realize The beam guide machine 100 moves between the bridge piers to be erected, and the beam guide machine 100 can move between the bridge piers to be erected only through the beam transport machine 200 and the beam guide machine 100, without adding auxiliary equipment to make the beam guide machine 100 moves to the beam erection station.

In order to enable the telescopic beam transport leg 240 to adapt to the ramp, in the embodiment of the utility model, the top of the telescopic beam transport leg 240 is rotatably connected to the main beam 210 of the transport beam, so that the telescopic beam transport leg 240 Swing along the length direction of the beam transport main beam 210 below the beam transport main beam 210 . Moreover, a beam-transporting oblique support beam 246 is provided between the telescopic beam-transporting outrigger 240 and the beam-transporting main beam 210 .

In one embodiment of the present utility model, the oblique support beam 246 of the transport beam is fixedly connected with the main girder 210 of the transport beam, and the inclined support beam 246 of the transport beam is hingedly connected with the telescopic support leg 240 of the transport beam, and the inclined support beam 246 of the transport beam can be moved along Its length direction expands and contracts to change the angle between the telescopic beam transporting outrigger 240 and the beam transporting main beam 210 . Specifically, the bottom end of the oblique support beam 246 is hingedly connected with the lower end of the secondary beam support leg 242, the oblique support beam 246 is fixedly connected with the main beam 210 through the oblique hydraulic cylinder, and the hydraulic cylinder can drive The oblique supporting beam 246 of the beam transporting can perform telescopic movement, so that the angle between the telescopic beam transporting outrigger 240 and the main beam 210 of the beam transporting can be changed.

In another embodiment of the present utility model, one end of the inclined support beam 246 of the transport beam is hingedly connected with the main beam 210 of the transport beam. The other end can be connected with different connection points, so as to change the angle between the telescopic beam transport outrigger 240 and the beam transport main beam 210 . Specifically, a plurality of connection points are provided along the length direction of the first-level beam movement outrigger 241 and the second-level beam movement outrigger 242 of the telescopic beam movement outrigger 240, and the beam movement oblique support beam 246 passes through different connection points connected to change the angle between the telescopic beam transporting legs 240 and the beam transporting main beam 210. Wherein, the connection point may be a slot, and the inclined support beam 246 is inserted into the slot to connect with different slots.

As shown in Figure 13, the beam transport machine 200 also includes a trolley connection mechanism 250, the trolley connection mechanism 250 is fixed on the lower surface of the beam transport main beam 210, and is located between the front driving system and the telescopic beam transport leg 240, It is used to connect with the trolley of the beam guide machine 100 to transport and fix the position of the beam guide machine 100 . Specifically, the trolley connection mechanism 250 includes a trolley connection part 251 and a beam transportation part 252, the trolley connection part 251 is connected with the trolley suspension mechanism 154, and the trolley connection part 252 is connected with the trolley connection part 251 and the beam transportation main beam 210. The beam connecting part 252 is fixed on the bottom of the beam main beam 210, specifically, the beam connecting part 252 can be connected with the beam main beam 210 through the beam connecting hydraulic cylinder, and can do telescopic movement in the vertical direction. The trolley connection part 251 is movably arranged at the bottom of the beam transportation connection part 252. Specifically, the trolley connection part 251 can be connected with the beam transportation connection part 252 through the trolley connection hydraulic cylinder, and can be moved along the length of the beam transportation main beam 210. direction to move. Therefore, the beam transporting connecting portion 252 can drive the trolley connecting portion 251 to move up and down to adjust the height of the trolley connecting portion 251, and the trolley connecting portion 251 can move back and forth along the beam transporting main beam 210 to be connected with the multifunctional trolley 150 or Disconnect.

Next, as shown in Figures 17-31, taking the method of installing the beam guide machine on the beam erecting station as an example, the operation of the beam guide machine with rotatable middle guide beam legs that adopts the embodiment of the present invention is described. How to operate the all-in-one machine.

When the beam guide machine 100 is transported to the vicinity of the beam erecting station 320 by the beam transporter 200, the middle guide beam leg 130 of the beam guide machine 100 is suspended on the bottom surface of the front suspension device 170 at the front end of the guide beam main beam 110, and the beam guide machine The multi-function trolley 150 of 100 is set close to the front walking system 220 of the beam transporter 200, the front guide beam support leg 120 of the beam guide machine 100 is set close to the multi-function trolley 150, and the rear guide beam support leg 140 of the beam guide machine 100 is horizontal It is arranged at the rear end of the main beam 110 of the guide beam. At this time, the beam transporting machine 200 cooperates with the beam guiding machine 100, and the specific method for installing the beam guiding machine 100 on the beam erecting station 320 includes the following steps:

S1. Drive the guide beam main beam 110 of the beam guide machine 100 to move, so that the front end of the guide beam main beam 110 moves to the top of the second pier 330 to be erected close to the beam transport machine 200, and the middle guide beam of the beam guide machine 100 The legs 130 are supported on the second pier 330 to be erected. Wherein, when driving the main beam 110 of the guide beam to move, the main beam 110 of the guide beam is always installed in the front walking system 220 of the beam transporter 200, so as to keep the main beam 110 of the guide beam set horizontally and prevent the rear end of the beam guide machine 100 from Tilt so that the guide beam main girder 110 is always in a horizontal state.

In the embodiment of the present utility model, the method of driving the main beam 110 of the guide beam to move is to use the multifunctional trolley 150 of the beam guide machine 100 to drive the main beam 110 of the guide beam to move along the length direction of the main beam 110 of the guide beam.

First, as shown in FIG. 17 , the multifunctional trolley 150 drives the main beam 110 of the guide beam to move forward through its relative moving mechanism, so that the front end of the main beam 110 of the guide beam extends into the beam erecting station 320 (that is, protrudes near the beam transporting station 320 ). The first bridge pier 350 to be erected of machine 200). Now, the winch of the front suspension device 170 puts the middle guide beam support leg 130 down by the guide beam lifting frame of the front suspension device 170, so that the middle guide beam support leg 130 is positioned at the front end of the guide beam main beam 110 below. Then, as shown in Figure 18, the multi-function trolley 150 continues to drive the guide beam main beam 110 to move forward until the guide beam main beam 110 moves to just completely cover the beam erecting station 320 (that is, the front end of the guide beam main beam 110 moves to Above the second pier 330 to be erected), while the middle guide beam support leg 130 moves backward to ensure that the position of the middle guide beam support leg 130 relative to the beam transporter 200 remains unchanged. At this time, as shown in Figure 19, the middle guide beam support leg 130 moves forward along the length direction of the guide beam main girder 110 to the position of the second pier 330 to be erected, and the middle section column of the middle guide beam support leg 130 133 protrudes downwards, so that the middle and lower section columns 134 are supported on the second pier 330 to be erected.

S2, continue to drive the guide beam main girder 110 of the beam guide machine 100 to move, so that the front end of the guide beam main girder 110 continues to move to the second pier 330 to be erected and the third pier 340 to be erected near the beam transporter 200 between. Wherein, as shown in FIG. 20 , the front end of the main girder 110 of the guide girder moves between the girder erecting stations 320 (that is, between the second pier 330 to be erected and the third pier 340 to be erected).

S3. The multifunctional trolley 150 moves forward along the main girder 110 of the guide beam, so that the rear end of the integral frame 152 of the multifunctional trolley 150 is connected to the front end of the bridge deck 310 carrying the beam transporter 200 .

Specifically, as shown in FIG. 21 , the front leading beam legs 120 and the multifunctional trolley 150 move synchronously along the leading beam main beam 110 to the front end of the guiding beam main beam 110 so that the leading leading beam legs 120 move to the middle leading beam support. The front end of the leg 130 , the multifunctional trolley 150 moves to the position where the rear end of its integral vehicle frame 152 is close to the bridge deck 310 carrying the beam transporter 200 .

S4. The integral vehicle frame 152 moves downward, so that the top surface of the supporting platform 153 of the integral vehicle frame 152 is flush with the bridge surface.

Specifically, as shown in FIG. 22 , the integral vehicle frame 152 of the multifunctional trolley 150 moves downward relative to the bridge deck 310 carrying the beam transporter 200 , so that the support platforms 153 on both sides of the integral vehicle frame 152 The top surface is flush with the surface of the bridge deck carrying the beam transporter 200 .

S5. Drive the main beam 110 of the guide beam to move, so that the front end of the main beam 110 of the guide beam moves to the third pier 340 to be erected, and the main beam 110 of the front guide beam of the beam guide machine 100 moves and is supported on the third pier to be erected. pier 340.

First, as shown in FIG. 23 , the beam transporter 200 moves forward so that the front end of the front walking system 220 of the beam transporter 200 is aligned with the front end of the bridge deck (that is, with the rear of the integral frame 152 of the multifunctional trolley 150 ). end fitting). Then, as shown in FIG. 24 , the multifunctional trolley 150 continues to drive the main girder 110 to move forward, so that the front end of the main girder 110 moves to the third pier 340 to be erected. At the same time, the middle guide beam leg 130 moves backward relative to the guide beam main girder 110 , so that the middle guide beam leg 130 remains supported on the second pier 330 to be erected. At this time, as shown in Figure 25, the front beam supporting legs move forward along the main girder 110 to the position of the third pier 340 to be erected, and the upper and lower sliding columns 123 of the main girder 110 of the leading girder extend downward. , so that the leading girder girder 110 is supported on the third pier 340 to be erected.

S6. The front walking system 220 of the beam transporter 200 moves to the support platform 153, and the multifunctional trolley 150 drives the beam transporter 200 to move forward along the guide beam main beam 110, so that the telescopic beam transporter 200 The legs 240 are supported on the second pier 330 to be erected. Wherein, when the multifunctional trolley 150 drives the beam transporter 200 to move forward along the main girder 110 of the guide beam, the trolley connection mechanism 250 of the beam transporter 200 is connected to the suspension structure of the trolley.

Specifically, as shown in Figure 26, the multifunctional trolley 150 drives the beam transporter 200 to move forward, so that the multifunctional trolley 150 and the front walking system 220 are located at the front end of the second bridge pier 330 to be erected, and at the same time the telescopic Type transport beam support leg 240 to the position of the second bridge pier 330 to be erected. At this time, as shown in FIG. 27 , the secondary beam-moving leg 242 of the telescopic beam-transporting leg 240 extends downward, so that the telescopic beam-traveling leg 240 is supported on the second pier 330 to be erected.

S7. Drive the main beam 110 of the guide beam to move, so that the rear end of the main beam 110 of the guide beam is connected to the front end of the bridge deck, and the rear guide beam support leg 140 of the beam guide machine 100 is supported on the first one close to the beam transport machine 200 The bridge pier 350 to be erected is used to complete the installation of the beam guiding machine 100 on the beam erecting station 320 .

In the embodiment of the present utility model, the method for supporting the rear guide beam leg 140 on the first pier 350 to be erected includes:

S71 , driving the main beam 110 of the guide beam to move, so that the distance between the rear end of the main beam 110 of the guide beam and the front end of the bridge deck is greater than the length of the legs 140 of the rear guide beam.

S72. The rear guide beam leg 140 is turned downwards to be vertically set.

S73 , driving the guide girder main girder 110 to move, so that the rear guide beam outrigger 140 is located at the position of the first bridge pier 350 to be erected and supported on the first bridge pier 350 to be erected.

Specifically, as shown in FIG. 28 , the multifunctional trolley 150 drives the guide girder main girder 110 to continue moving forward, so that the rear end of the guide girder main girder 110 is away from the front end of the bridge deck 310 on which the beam transporter 200 is mounted. When the distance between the rear end of the guide beam main girder 110 and the front end of the bridge deck 310 carrying the beam transporter 200 is greater than the length of the rear guide beam support leg 140, as shown in Figure 29, the rear guide beam support leg 140 is rotated, The rear guide beam leg 140 is vertically arranged below the guide beam main beam 110 . Then, as shown in Figure 30, the multifunctional trolley 150 drives the main girder 110 of the guide beam to move backward, so that the rear guide beam support leg 140 is positioned at the position of the first pier 350 to be erected. The rear sliding joint 142 of 140 protrudes downwards, so that the rear guide beam support leg 140 is supported on the first pier 350 to be erected.

In the embodiment of the present utility model, after the beam guide machine 100 is installed in the beam erecting station 320, it also includes:

S8. The multifunctional trolley 150 moves backward along the guide beam main girder 110 to the rear end of the integral vehicle frame 152 and connects with the front end of the bridge deck 310 carrying the beam transporter 200 . As shown in FIG. 31 , it is convenient for the beam transporter 200 to move backward away from the beam guide machine 100 and run to the beam yard to transport the box girder.

In summary, the utility model has a rotatable middle guide beam guide beam machine, wherein the middle and lower section columns of the guide beam support legs are located at the bottom end of the middle guide beam support legs, and the middle and lower section columns can be rotated to Change the angle between the middle and lower section columns and the main beam of the guide beam in the horizontal direction to meet the needs of curved beams. At the same time, the legs of the middle guide beam can also move along the length direction of the main beam of the guide beam, so that the legs of the middle guide beam can support any position of the main beam of the guide beam, so as to cooperate with the movement of the main beam of the guide beam when the box girder is erected. The bridge erection work was successfully completed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (10)

1. A beam guide machine with rotatable middle guide beam legs, characterized in that: It includes the main beam of the guide beam and the legs of the middle guide beam, the legs of the middle guide beam are movably connected with the main beam of the guide beam, so that the legs of the middle guide beam can move along the length direction of the main beam of the guide beam; The middle guide beam leg includes a middle and lower section column, and the middle and lower section column is located at the bottom end of the middle guide beam leg, and the middle and lower section column can be rotated to change the relationship between the middle and lower section column and the The included angle of the main girder of the guide beam in the horizontal direction. 2. The beam guide machine with rotatable middle guide beam legs according to claim 1, characterized in that: said middle guide beam legs include middle and upper section columns which are sequentially connected from top to bottom along the vertical direction , the middle and lower section columns, the middle and upper section columns are connected with the main beam of the guide beam, and the middle and middle section columns can move along the vertical direction relative to the middle and upper section columns and can drive the The middle and lower section column is rotated, and the middle and lower section column can be turned over to the bottom surface of the main beam of the guide beam. 3. The beam guide machine with rotatable middle guide beam legs according to claim 2, characterized in that: the upper middle section column includes a middle section connection part and a middle section rotation part, and the middle section connection part It is rotationally connected with the middle section rotating part, the middle section connecting part is connected with the main beam of the guide beam, and the middle section rotating part is connected with the middle section column. 4. The beam guide machine with rotatable middle guide beam legs according to claim 2, characterized in that: the middle and lower section column comprises two middle and lower section units, and the middle and lower section units are along the The width direction of the main girder of the guide beam is arranged vertically, and is hingedly connected with the rotating part of the middle section respectively. 5. The beam guide machine with rotatable middle guide beam legs according to claim 1, characterized in that: the bottom surface of the main beam of the guide beam is provided with a middle leg guide rail along the center line, and the middle guide The beam legs are connected below the main beam of the guide beam through the middle wheel train and the guide rail of the middle leg. 6. The beam guide machine with rotatable middle guide beam legs according to claim 5, characterized in that: said middle wheel train comprises middle guide wheels, said middle guide wheels are arranged on said middle guide beam support The top of the leg, so that the middle guide wheel is located in the middle leg guide rail parallel to the bottom surface of the middle leg guide rail, and the diameter of the middle guide wheel is the same as the width of the middle leg guide rail. 7. The beam guide machine with rotatable middle guide beam legs according to claim 6, characterized in that: the middle gear train also includes a middle anti-hanging wheel, and the middle anti-hanging wheel is arranged on the middle The top of the guide beam leg is used to connect the middle guide beam leg with the middle leg guide rail. 8. The beam guide machine with rotatable middle guide beam legs according to claim 7, characterized in that: the middle wheel train also includes middle support wheels, and the middle support wheels are arranged on the middle guide beam The top of the leg is located between the upper middle section column and the bottom surface of the guide beam main beam to support the guide beam main beam. 9. The beam guide machine with rotatable middle guide beam legs according to claim 8, further comprising a front guide beam leg, said front guide beam leg being movably arranged on said guide beam main On the beam; the front guide beam legs include two up and down sliding columns, the up and down sliding columns are respectively vertically arranged at the two ends of the front guide beam legs, and the up and down sliding columns can move along the main The width direction of the beam moves synchronously; the distance between the two up and down sliding columns is greater than the maximum width of the legs of the middle guide beam. 10. The beam guide machine with rotatable middle guide beam legs according to claim 1, characterized in that: it also includes a rear guide beam support leg, and the rear guide beam support leg is connected to the main beam of the guide beam The rear end is rotatably connected, and the legs of the rear guide beam can rotate in a vertical plane.