Box girder transverse moving trolley and using method

By designing a box girder lateral moving trolley and utilizing the drive system of the main support beam and the traveling unit, the lateral movement of the box girder mold base is achieved, solving the problem of low efficiency in the transfer of large trolleys and improving the efficiency and flexibility of box girder transfer. This method is suitable for box girder transfer in bridge construction.

CN121376488APending Publication Date: 2026-01-23CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1
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Patent Information

Application Number
CN202511662891.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-13
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

The existing box girder transfer mode based on large overhead cranes is inefficient and cannot meet the needs of high efficiency and flexibility in box girder production and transfer. In particular, it is easy to cause delays in the connection of production processes in the continuous transfer of multiple box girders.

Method used

Design a box girder lateral moving trolley, including a main support beam and a traveling unit, equipped with a drive wheel set and a motor drive system, to achieve lateral movement of the box girder mold base through a transfer track, and to realize the synchronization and correction of the trolley by using a pull rope sensor and an external control system, thus simplifying the transfer process.

Benefits of technology

It improves the hoisting efficiency of box girders, reduces site requirements, and enables simultaneous curing operations within the spraying area, achieving high efficiency and flexibility in box girder transfer.

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Abstract

The invention relates to the field of transfer equipment, in particular to a box girder transverse moving trolley and a using method.The box girder transverse moving trolley comprises a main bearing beam, walking parts are installed at the two ends of the main bearing beam, and structural reinforcing rods used for reinforcing are installed between the walking parts and the side wall of the main bearing beam; the top of the main supporting beam is provided with a box beam mold base placement track used for transferring a box beam, a box beam mold base and a prefabricated beam walk to the transverse moving trolley base placement track through the longitudinal track, the transverse moving trolley, the base and the prefabricated beam are transferred to a hoisting position, participation of movable type allocation equipment is reduced, the hoisting efficiency is higher, and the hoisting cost is reduced. And the field requirement is low.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of transport equipment, in particular to a box girder transverse moving trolley and a use method thereof. BACKGROUND

[0002] In the field of bridge and other transportation infrastructure construction, box girder as a key load-bearing component, its production and transport links directly affect the efficiency and quality of engineering construction, at present, box girder is mostly prefabricated in a special box girder yard, after prefabrication, it needs to be transported from the production mold station to the storage area or the loading area to link the subsequent on-site installation process, in this process, considering the characteristics of large volume and heavy weight of the box girder, the mainstream transport mode in the industry relies on large cranes to realize the lifting and shifting of the box girder, that is, through the lifting hook of the crane to connect the box girder lifting point, the box girder is lifted from the mold and moved to the target position along the crane track, and then slowly lowered to complete the transport, this transport mode based on large cranes has been used as the main transport scheme in traditional large box girder yards for a long time due to the relatively sufficient site conditions;

[0003] However, the existing box girder transport mode based on large cranes has obvious limitations in actual application, and it is difficult to meet the efficient and flexible requirements of current box girder production and transport, the lifting efficiency of large cranes is low, and the transport process needs to go through many complicated steps, which takes a long time for single transport, especially in the continuous transport scene of multiple box girders, which easily causes the lagging of production process connection and restricts the overall production progress, therefore, a box girder transverse moving trolley and a use method thereof are proposed. SUMMARY

[0004] In order to solve the technical problems existing in the prior art, the present application provides a box girder transverse moving trolley and a use method thereof.

[0005] In order to solve the above technical problems, the present application provides the following technical scheme: a box girder transverse moving trolley, comprising a main supporting beam, walking parts are installed at both ends of the main supporting beam, structural reinforcing rods for reinforcement are installed between the walking parts and the side walls of the main supporting beam, and a box girder mold base placement track for box girder transference is arranged on the top of the main supporting beam.

[0006] The box girder mold base on the box girder mold base placement track is transversely moved under the cooperation of the main supporting beam, the walking parts and the transverse moving trolley.

[0007] Preferably, the walking part comprises a walking box, walking wheels, a driving wheel set and a driving part, the walking box is installed on the end of the main supporting beam by bolts, two groups of walking wheels are arranged on both sides of the inside of the walking box, the driving wheel set is arranged at the middle position of the inside of the walking box, the driving part is installed at the middle position of the side wall of the walking box, and the output end of the driving part is connected with the driving wheel set.

[0008] Preferably, the driving wheel set comprises a driving wheel and a driven wheel, the driving wheel and the driven wheel are installed at the middle position inside the walking box, the same side surface of the driving wheel and the driven wheel is installed with a transmission sprocket, and the chain is installed between the two groups of sprockets.

[0009] Preferably, the driving part comprises a reduction gear box, a motor and a driving gear, the reduction gear box is installed at the middle position of the side wall of the walking box by bolts, the motor is installed at the output end of the reduction gear box to provide power input for the reduction gear box, and the driving gear is installed on the other side of the driving wheel and is engaged with the motor.

[0010] Preferably, the lower part of the walking part is provided with a transfer track for the operation of the walking part, the transfer track is laid on the bottom surface of the box girder field, and the walking wheel and the driving wheel set operate on the top of the transfer track.

[0011] Preferably, the wheel surface of the walking wheel is provided with an annular limiting groove, the top of the transfer track is provided with a limiting convex edge corresponding to the protrusion, the annular limiting groove is matched with the limiting convex edge in clearance, and the annular limiting groove and the limiting convex edge are slidingly matched to limit the displacement of the walking wheel in the width direction of the transfer track.

[0012] Preferably, the side wall of the walking box on one side is provided with a pull rope sensor, and the same position of the side wall of the walking box on the other side is provided with a connecting groove matched with the measuring head of the pull rope sensor.

[0013] Preferably, the box girder transverse moving trolley is provided with two groups in parallel, the pull rope sensor of the walking box side wall of one group of box girder transverse moving trolleys is connected with the connecting groove of the walking box side wall of the other group of box girder transverse moving trolleys, the pull rope sensor is electrically connected with the external control system, and the external control system is electrically connected with the walking parts of the two groups of box girder transverse moving trolleys respectively.

[0014] Preferably, the main supporting beams in the two groups of box girder transverse moving trolleys are located on the same horizontal line, and the box girder mold base placement area is above the two groups of main supporting beams.

[0015] A use method of a box girder transverse moving trolley, comprising the following steps:

[0016] Step S1, adjusting the positions of the two groups of box girder transverse moving trolleys so that the main supporting beams of the two groups of box girder transverse moving trolleys are on the same horizontal line, and the box girder mold base placement tracks on the top of the main supporting beams of the two groups of box girder transverse moving trolleys are aligned with the longitudinal moving tracks;

[0017] Step S2, after the box girder is formed in the mold, the box girder outer mold is separated from the box girder mold base, a start instruction is sent through an external control device, the motor is energized and operated, power is transmitted to the driving gear through the reduction gear box, the driving gear drives the driving wheel to rotate, the driving wheel synchronously drives the driven wheel through the chain to synchronously rotate the driving wheel set and the walking wheel to drive the walking part to move along the transfer track, and then the main supporting beam drives the box girder to move transversely;

[0018] Step S3, after the external control device is electrically connected with the motors of the two groups of trolleys and the pull rope sensors and is powered on, debugging is performed, the motor forward and reverse rotation functions are verified, the synchronous forward and backward movement of the two groups of trolleys is ensured, the box girder mold base is hoisted to the box girder mold base placing track and the fixation of the box girder mold base is completed, and the box girder mold base is transversely moved together with the prefabricated beam through the two groups of box girder transverse moving trolleys;

[0019] Step S4, in the process of transverse movement of the box girder, the displacement deviation of the two groups of trolleys fed back by the pull rope sensors is automatically adjusted by the control device to realize correction when the deviation exceeds the design threshold;

[0020] Step S5, after the box girder is transferred to the preset position, the box girder is lifted by the hoisting equipment and is moved to the target storage position, and the box girder transverse moving trolley returns to the starting position to perform the next round of transfer.

[0021] The beneficial effects of the prior art compared with the present application are that:

[0022] 1、In the present application, the box girder transverse moving trolley comprises a main supporting beam, walking parts are installed at both ends of the main supporting beam, structural reinforcing rods for reinforcement are installed between the walking parts and the side walls of the main supporting beam, a box girder mold base placing track for transverse movement of the box girder is arranged on the top of the main supporting beam, the box girder mold base on the box girder mold base placing track is transversely moved under the cooperation of the main supporting beam, the walking parts and the transverse moving trolley, after pouring is completed, the box girder mold base can be moved out of the box girder mold together with the box girder and is transferred to the hoisting position, the participation of the mobile transfer equipment is reduced, the hoisting efficiency is higher, and the requirement for the site is low.

[0023] 2、In the present application, the transfer track passes through the maintenance spraying area, and the box girder can stop in the spraying area during movement, so that the maintenance operation is simultaneously completed. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0025] Figure 2 It is a three-dimensional bottom view structure schematic diagram of the present application;

[0026] Figure 3 It is a partial three-dimensional structure schematic diagram of the present application;

[0027] Figure 4 Structure diagram for use of the combination of the present application.

[0028] Numbers in the figure represent:

[0029] 1, main support beam; 2, walking part; 21, walking box; 22, walking wheel; 23, drive wheel set; 231, driving wheel; 232, driven wheel; 233, chain; 24, drive part; 241, speed reducer gear box; 242, motor; 243, drive gear; 3, structure reinforcing rod; 4, box beam mold base track; 5, transfer track; 6, pull rope sensor. DETAILED DESCRIPTION

[0030] The above and other technical features and advantages of the present application will be further explained with reference to the following drawings and examples, but the following examples are only preferred embodiments of the present application, not all.

[0031] Examples:

[0032] As Figures 1-4 shown, the present application provides a box beam transverse moving trolley, which comprises a main support beam 1, both ends of the main support beam 1 are provided with a walking part 2, a structure reinforcing rod 3 for reinforcement is installed between the walking part 2 and the side wall of the main support beam 1, and a box beam mold base setting track 4 for box beam transfer is arranged on the top of the main support beam 1.

[0033] The box beam mold base on the box beam mold base setting track 4 will be aligned with the box beam mold to form a complete box beam mold under the cooperation of the main support beam 1 and the walking part 2;

[0034] The walking part 2 comprises a walking box 21, a walking wheel 22, a drive wheel set 23 and a drive part 24; the walking box 21 is bolted to the end of the main support beam 1, two groups of walking wheels 22 are arranged on both sides of the inside of the walking box 21, the drive wheel set 23 is arranged at the middle position of the inside of the walking box 21, and the drive part 24 is installed at the middle position of the side wall of the walking box 21; the output end of the drive part 24 is connected with the drive wheel set 23, and in the walking process, the lower part of the walking part 2 is provided with a transfer track 5 for the operation of the walking part 2, the transfer track 5 is laid on the bottom surface of the box beam field, the walking wheel 22 and the drive wheel set 23 operate on the top of the transfer track 5, the output end of the drive part 24 drives the drive wheel set 23 to rotate, and the drive wheel set 23 drives the walking box 21 to move along the transfer track 5 in the process of rotation, and the walking part 2 drives the main support beam 1 to move in the moving process, so that the main support beam 1 transfers the box beam on the top thereof from the mold.

[0035] The driving wheel set 23 comprises a driving wheel 231, a driven wheel 232 and a chain 233; the driving wheel 231 and the driven wheel 232 are installed at the middle position inside the walking box 21, the same side surfaces of the driving wheel 231 and the driven wheel 232 are both installed with a transmission sprocket, the chain 233 is installed between the two groups of sprockets, the chain 233 synchronizes the movements of the driving wheel 231 and the driven wheel 232, so that the driving wheel 231 and the driven wheel 232 are synchronously operated to disperse the power, thereby reducing the skidding and guaranteeing the normal driving of the driving wheel set 23 to slide the walking box 21 along the transfer track 5.

[0036] The driving part 24 comprises a reduction gear box 241, a motor 242 and a driving gear 243; the reduction gear box 241 is installed at the middle position of the side wall of the walking box 21 by bolts, the motor 242 is installed at the output end of the reduction gear box 241 for providing power input for the reduction gear box 241, the driving gear 243 is installed at the other side of the driving wheel 231 and the driving gear 243 is engaged with the motor 242, the motor 242 transmits power to the driving wheel set 23 through the cooperation of the reduction gear box 241 and the driving gear 243, which improves the transportation capacity of the driving wheel set 23 to the large-tonnage box girder and realizes the controllable transportation speed.

[0037] A pull rope sensor is arranged on the side wall of the walking box 21, and a connecting groove matched with the measurement head of the pull rope sensor is arranged at the same position of the side wall of the walking box 21; when the two groups of box girder transverse moving trolleys run in parallel, the measurement head of the pull rope sensor arranged on the side wall of the walking box 21 can be inserted into the connecting groove arranged at the same position of the side wall of the walking box 21, so as to realize the detection of the parallel speed of the two groups of box girder transverse moving trolleys and provide a basis for the control of the running speed of the box girder transverse moving trolley.

[0038] The box girder transverse moving system comprises a box girder transverse moving trolley and an external control device; the two groups of box girder transverse moving trolleys are arranged in parallel, the two groups of main supporting beams 1 in the two groups of box girder transverse moving trolleys are located on the same horizontal line, the box girder placement area is above the two groups of main supporting beams 1, the measurement head of the pull rope sensor on the side wall of one group of box girder transverse moving trolley is connected with the connecting groove on the side wall of the other group of box girder transverse moving trolley, the external control system is electrically connected with the motors 242 in the two groups of box girder transverse moving trolleys, and the pull rope sensor is electrically connected with the external control system; when the long box girder is transported, the two groups of box girder transverse moving trolleys can be linked under the cooperation of the external control system and the pull rope sensor, so as to realize the support of the bottom plate of the long box girder mold.

[0039] The use method of the box girder transverse moving trolley:

[0040] The positions of the two groups of box girder transverse moving trolleys are adjusted so that the main supporting beams of the two groups of box girder transverse moving trolleys are located on the same horizontal line, and the box girder mold base placement track on the top of the main supporting beams of the two groups of box girder transverse moving trolleys is aligned with the longitudinal moving track.

[0041] After the box girder is formed in the mold, the outer mold of the box girder is separated from the box girder mold base, a start instruction is sent through an external control device, a motor is energized and operated, power is transmitted to the driving gear through the reduction gear box, the driving gear drives the driving wheel to rotate, the driving wheel synchronously drives the driven wheel to rotate through the chain, and the driving wheel set and the walking wheel cooperate to drive the walking part to move along the transfer track, and then the main supporting beam drives the box girder to move transversely;

[0042] After the external control device is electrically connected with the motors of the two groups of trolleys and the pull rope sensors and is powered on, debugging is performed, the forward and reverse rotation functions of the motors are verified, it is ensured that the two groups of trolleys synchronously advance and retreat, the box girder mold base is hoisted to the box girder mold base placement track and is fixed, the box girder mold base is moved transversely with the prefabricated beam through the two groups of box girder transverse trolleys;

[0043] During the transverse movement of the box girder, the displacement deviation of the two groups of trolleys fed back by the pull rope sensors is automatically adjusted by the control device to realize deviation correction when the deviation exceeds the design threshold.

[0044] After the box girder is transferred to the preset position, the box girder is lifted by the hoisting equipment and is moved to the target storage position, and the box girder transverse trolley returns to the starting position to perform the next round of transfer.

[0045] The above is only a preferred embodiment of the present application, which is only illustrative but not limiting. It is understood by those skilled in the art that many changes, modifications and even equivalents can be made to the present application within the spirit and scope defined by the claims of the present application, but all will fall within the protection scope of the present application.

Claims

1. A box girder transverse moving trolley, characterized in that, The main supporting beam is provided with a walking part at both ends, and a structural reinforcing rod for reinforcement is arranged between the walking part and the side wall of the main supporting beam. The box girder mold base on the box girder mold base setting track is transversely moved under the cooperation of the main supporting beam and the walking part and the transverse moving trolley.

2. A box girder traversing trolley as claimed in claim 1 wherein, The walking part comprises a walking box, walking wheels, a driving wheel set and a driving part.

3. A box girder traversing trolley as claimed in claim 2 wherein, The driving wheel set comprises a driving wheel, a driven wheel and a chain.

4. A box girder traversing trolley as claimed in claim 3 wherein, The driving part comprises a speed reduction gear box, a motor and a driving gear.

5. A box girder traversing trolley as claimed in claim 2 wherein, The lower part of the walking part is provided with a transfer track for the operation of the walking part.

6. A box girder traversing trolley as claimed in claim 5 wherein, The top of the transfer track is provided with a limiting convex edge corresponding to the annular limiting groove.

7. A box girder traversing trolley as claimed in claim 6 wherein, The side wall of the walking box on one side is provided with a pull rope sensor, and the same position of the side wall of the walking box on the other side is provided with a connecting groove matched with the measuring head of the pull rope sensor.

8. A box girder traversing trolley as claimed in claim 7 wherein, The two groups of box girder transverse moving trolleys are arranged in parallel.

9. A box girder traversing trolley as claimed in claim 8 wherein, The main supporting beams of the two groups of box girder transverse moving trolleys are located on the same horizontal line.

10. A method of using the box girder traversing trolley according to any one of claims 1-9, characterized in that, The main supporting beams of the two groups of box girder transverse moving trolleys are located on the same horizontal line. The box girder mold base setting track on the top of the main supporting beam is aligned with the longitudinal moving track. The method comprises the following steps: Step S1, adjust the positions of the two groups of box girder transverse moving trolleys so that the main supporting beams of the two groups of box girder transverse moving trolleys are on the same horizontal line, and the box girder mold base setting track on the top of the main supporting beams of the two groups of box girder transverse moving trolleys is aligned with the longitudinal moving track. Step S2, after the box girder is formed in the mold, the box girder outer mold is separated from the box girder mold base, a start instruction is sent through an external control device, a motor is energized to operate, power is transmitted to a driving gear through a speed reducer, the driving gear drives the driving wheel to rotate, the driving wheel synchronously drives the driven wheel to rotate through a chain, the driving wheel and the walking wheel cooperate to drive the walking part to move along the transfer track, and then the main supporting beam drives the box girder to move transversely; Step S3, after the external control device is electrically connected with the motors of the two groups of trolleys and the pull rope sensors and is energized, debugging is performed, the motor forward and reverse rotation functions are verified, it is ensured that the two groups of trolleys synchronously advance and retreat, the box girder mold base is hoisted to the box girder mold base placing track and the fixation of the box girder mold base is completed, and the box girder mold base is transversely moved together with the prefabricated beam through the two groups of box girder transverse moving trolleys; Step S4, in the process of transverse movement of the box girder, the displacement deviation of the two groups of trolleys fed back by the pull rope sensors is adjusted, when the deviation exceeds the design threshold, the control device automatically adjusts the corresponding motor speed to realize deviation correction; Step S5, after the box girder is transferred to the preset position, the box girder is lifted by a hoisting device and is moved to a target storage position, the box girder transverse moving trolley returns to the starting position, so that the next round of transfer can be performed.

Citation Information

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