Automatic collecting and loading device for track of bridge girder erection machine

By designing an automatic track loading and unloading device for bridge erecting machines, the problems of low efficiency and high cost in traditional track construction have been solved, realizing rapid and automated track loading and unloading, improving construction efficiency and reducing costs.

CN223633800UActive Publication Date: 2025-12-05CCCC FIRST HARBOR ENGINEERING CO LTD +2
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Patent Information

Application Number
CN202423100663.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-05
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Traditional bridge erecting machine tracks require repeated disassembly and extension during construction, which affects road operation, consumes labor, and results in low construction efficiency and high costs.

Method used

Design an automatic track loading and unloading device for bridge erecting machines, including I-beams and C-shaped I-beams, with built-in crankshaft structure. The automatic loading and unloading of the track is achieved through a drive mechanism, ensuring that the track can be extended or retracted at any time to meet the movement needs of the bridge erecting machine.

Benefits of technology

It enables rapid and automated deployment and retraction of the track, reduces the impact of construction on road operations, improves construction efficiency, reduces construction costs, and eliminates the need for repeated disassembly and extension of the track beams.

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Abstract

The utility model discloses a bridge girder erection machine track automatic collecting and loading device which comprises an I-shaped frame used for supporting a main track and a C-shaped I-shaped frame used for supporting an auxiliary track, and a curved wheel structure used for collecting and loading the auxiliary track is installed in the I-shaped frame. The I-shaped frame comprises two fixed plates arranged in a spaced mode and supporting plates fixed to the tops and the bottoms of the two fixed plates, and the fixed plates are provided with S-shaped cam grooves; the curved wheel structure is mounted in a gap between the two fixing plates; the curved wheel structure comprises a sliding guide block, the sliding guide block is rotationally provided with a rotating shaft penetrating through the sliding guide block, the two ends of the rotating shaft extend out of the sliding guide block and are fixedly connected with swing rods respectively, the two swing rods are hinged to a dowel bar arranged on one side of the sliding guide block through pin shafts, and the dowel bar extends out of the I-shaped frame and is fixedly connected with the C-shaped I-shaped frame; by means of the design, the technical problems that during approach bridge construction, transported and dismantled beam plates occupy roads for a long time, and wharf production and operation are seriously affected are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water transport engineering approach bridge demolition, concretely relates to a bridge erecting machine track automatic storage device. BACKGROUND

[0002] The traditional bridge erecting machine is mainly applied to girder slab installation procedures in bridge engineering, and after the pile foundation pier table is poured, the girder slab installation work is carried out by the bridge erecting machine, and the bridge erecting machine mainly moves longitudinally along the bridge axis, and also moves transversely within the length range of the track.

[0003] In the unshielded open sea area, when the approach bridge demolition original site new construction project connecting the approach embankment to the wharf front is carried out, in order to save the project cost, the temporary construction steel trestle is not set up, the original approach bridge is used as the construction platform for pile foundation construction, the onshore piling equipment is used for the construction of the original hollow slab opening, the old approach bridge is removed by the bridge erecting machine, and the main construction process is as follows: half-width bridge deck opening, steel casing vibration sinking, cast-in-place pile construction, old girder slab removal, cast-in-place cross beam, hollow slab prefabrication and installation, hinge joint construction, surface layer construction, auxiliary facility construction, traffic recovery and width change construction.

[0004] Considering that the approach bridge construction cannot affect the wharf production and operation, the construction arrangement of closing half-width and constructing half-width is adopted, the half-width is used as the construction area, and the half-width is used as the wharf cargo transportation channel. The original hollow slab is a prestressed hollow slab structure, in order to ensure construction safety, the prestressed structure is damaged after the bridge deck is opened, the bearing capacity is weakened, and heavy vehicles are prohibited from driving, therefore, in order to longitudinally transport the girder slab removed in the half-width, the track needs to be laid on the bridge deck, the removed girder slab is transported to the other half-width by the transverse movement of the bridge erecting machine along the track, and then the removed girder slab is transported out by the heavy vehicle. In order to facilitate vehicle passing, the transverse track cannot occupy the road for a long time.

[0005] In order to solve the above problems, the utility model provides a bridge erecting machine track automatic storage device which can ensure that the track can be lengthened at any time, facilitate the transverse movement of the bridge erecting machine, and be stored in time to facilitate vehicle passing. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the defects in the prior art and provides a bridge erecting machine track automatic storage device.

[0007] In order to achieve the above purpose, the following technical scheme is adopted.

[0008] A bridge erecting machine track automatic storage device, including the H-shaped frame for supporting the main track and the C-shaped H-shaped frame for supporting the auxiliary track, the H-shaped frame is internally provided with the curved wheel structure for storing the auxiliary track;

[0009] The I-shaped frame comprises two fixed plates arranged at intervals, and a support plate fixed to the top and bottom of the two fixed plates, the fixed plate is provided with a cam groove in S shape, the cam groove comprises a pushing-out portion for pushing the sub-track transversely, a turnover portion for overturning the sub-track upwardly, and a limiting portion, the pushing-out portion, the turnover portion and the limiting portion are communicated sequentially; the cam wheel structure is installed in the gap between the two fixed plates;

[0010] The cam wheel structure comprises a sliding guide block, a rotating shaft penetrating through the sliding guide block is rotatably installed on the sliding guide block, swing rods are fixedly connected to the two ends of the rotating shaft extending out of the sliding guide block, the two swing rods are hingedly connected with a force transmission rod arranged on one side of the sliding guide block through a pin shaft, the force transmission rod extends out of the I-shaped frame and is fixedly connected with the C-shaped I-shaped frame, the pin shaft extends to the cam groove at the two ends and is provided with a cam matched with the cam groove; one side of the sliding guide block of the cam wheel structure is connected with an output end of a driving mechanism to realize linear reciprocating motion.

[0011] Preferably, the sliding guide block is provided with a recess, the force transmission rod is provided with a notch matched with the recess, and the recess and the notch are matched to make the sub-track overturn by 80-90 degrees upwardly.

[0012] Preferably, the length of the pushing-out portion of the cam groove is 34-36 cm.

[0013] Preferably, the force transmission rod is fixedly connected with the C-shaped I-shaped frame through a fixing bolt.

[0014] Preferably, the driving mechanism is a telescopic cylinder, and an output end of the telescopic cylinder is fixedly connected with the sliding guide block of the cam wheel structure.

[0015] Preferably, the rotating shaft penetrating through the sliding guide block is rotatably installed on the sliding guide block through a large bearing.

[0016] Preferably, the pin shaft in the cam groove is provided with a roller at the two ends through a small bearing.

[0017] Preferably, the angle between the swing rod and the force transmission rod is 130-135 degrees.

[0018] Preferably, the support plate located at the bottom of the two fixed plates is provided with a track for linear reciprocating motion of the sliding guide block.

[0019] Preferably, the main track is welded with the I-shaped frame, and the sub-track is welded with the C-shaped I-shaped frame.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] (1) without the need for repeated disassembly and connection of the track beam during construction;

[0022] (2) by using the process and the device, repeated disassembly and connection of the track beam during construction are avoided, and the labor and the crane are saved;

[0023] (3) The device and the process do not affect the operation of the existing road for a long time when the track beam is lengthened, and the single occupation is 45 minutes;

[0024] (4) The device and the process are automatically driven in construction, so that the construction efficiency is greatly improved, and is 2-3 times of the traditional process, and the construction cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic view of upwardly overturning of the auxiliary track of the utility model;

[0026] Figure 2 It is a schematic view of the curved wheel structure of the utility model;

[0027] Figure 3 It is a schematic view of the overall structure of the utility model.

[0028] In the drawing: 100, main track; 200, auxiliary track; 1, I-shaped frame; 11, fixed plate; 12, support plate; 13, cam groove; 131, pushing-out part; 132, overturning part; 133, limiting part; 2, C-shaped I-shaped frame; 3, curved wheel structure; 31, sliding guide block; 311, large bearing; 312, recess; 32, rotating shaft; 33, swing rod; 34, force transmission rod; 341, opening; 35, pin shaft; 351, cam; 4, driving mechanism. DETAILED DESCRIPTION

[0029] A preferred embodiment of the utility model will be described below in combination with the drawings, and the technical scheme in the preferred embodiment of the utility model is clearly and completely described.

[0030] Example 1:

[0031] The automatic collecting and assembling device of the bridge girder erection machine comprises an I-shaped frame 1 for supporting a main track 100 and a C-shaped I-shaped frame 2 for supporting an auxiliary track 200, and the I-shaped frame 1 is internally provided with a curved wheel structure 3 for collecting and assembling the auxiliary track 200;

[0032] The I-shaped frame 1 comprises two fixed plates 11 arranged at intervals, and a support plate 12 fixed to the top and bottom of the two fixed plates 11, the fixed plate 11 is provided with a cam groove 13 in an S shape, the cam groove 13 comprises a pushing-out part 131 for pushing the auxiliary track 200 horizontally, an overturning part 132 for overturning the auxiliary track 200 upwardly, and a limiting part 133, and the pushing-out part 131, the overturning part 132 and the limiting part 133 are sequentially communicated; the curved wheel structure 3 is installed in the gap between the two fixed plates 11;

[0033] The curved wheel structure 3 comprises a sliding guide block 31, a rotating shaft 32 penetrating through the sliding guide block 31 is rotationally installed on the sliding guide block 31, two swing rods 33 are fixedly connected to two ends of the rotating shaft 32 extending out of the sliding guide block 31, the two swing rods 33 are hingedly connected with a force transmission rod 34 arranged on one side of the sliding guide block 31 through a pin shaft 35, the force transmission rod 34 extends out of the I-shaped frame 1 and is fixedly connected with the C-shaped I-shaped frame 2, two ends of the pin shaft 35 extend into the cam groove 13 and are provided with a cam 351 matched with the cam groove 13; one side of the sliding guide block 31 of the curved wheel structure 3 is connected with an output end of a driving mechanism 4, so as to realize linear reciprocating motion.

[0034] During the construction of the approach bridge, only half of the road is used as the construction area, and the other half is used as the cargo transportation channel of the wharf, so as to not affect the production and operation of the wharf. The entire bridge deck of the approach bridge is 15 meters wide. The bridge erecting machine track of the utility model is divided into a main track 100 and a sub-track 200. The length of the main track 100 is 9 meters, and the length of the sub-track 200 is 3-5 meters. The I-shaped frame 1 is placed under the main track 100, and the C-shaped I-shaped frame 2 is fixed at the bottom of the sub-track 200. As shown in Figure 1 , the main track 100 and the sub-track 200 are required to be (80-90) degrees when the vehicles of the wharf need to run; as shown in Figure 2 , the main track 100 and the sub-track 200 are required to be 180 degrees when the beam slab needs to be transported and removed.

[0035] When the main track 100 and the sub-track 200 are (80-90) degrees: the driving mechanism 4 transversely pushes the sliding guide block 31 to drive the large bearing 311 to rotate, so that the pin shaft 35 walks transversely (34-36) cm along the pushing-out part 131 of the cam groove 13, then walks to the turnover part 132 to drive the swing rod 33 and the force transmission rod 34 to counterclockwise upwardly turn (80-90) degrees to complete the folding of the sub-track 200. At this time, the normal traffic of the half sub-road can be ensured;

[0036] When the main track 100 and the sub-track 200 are 180 degrees: the driving mechanism 4 pulls the sliding guide block 31 to drive the large bearing 311 to rotate, so that the two ends of the pin shaft 35 walk along the limiting part 133 and the turnover part 132 of the cam groove 13, and after the sub-track 200 is counterclockwise downwardly turned (80-90) degrees, the pin shaft 35 walks transversely (34-36) cm along the pushing-out part 131 to the position, so that the sub-track 200 is aligned with the main track 100 to complete the installation of the sub-track 200. At this time, the bridge erecting machine can transport the beam slab transversely along the main track 100 and the sub-track 200. Figure 2

[0037] Specifically, the length of the pushing-out part 131 of the cam groove 13 is (34-36) cm.

[0038] ​The utility model discloses a cam groove 13 is equipped with push out part 131, turnover part 132 and limiting portion 133, pin shaft 35 and the cam 351 of both ends walk to push out part 131, can pull apart (34-36) cm main track 100 and vice track 200, convenient enough operating space when overturning action, limiting portion 133 is to prevent pin shaft 35 and the cam 351 of both ends fall into turnover part 132 and cause engineering accident.

[0039] Specifically, the sliding guide block 31 is provided with a recess 312, the force transmission rod 34 is provided with a gap 341 matched with the recess 312, and the recess 312 and the gap 341 are matched so that the vice track 200 is overturned upward by 80-90 degrees.

[0040] Specifically, the force transmission rod 34 is fixedly connected with the C-shaped I-beam 2 at the end through a fixing bolt 5.

[0041] Specifically, the driving mechanism 4 is a telescopic cylinder, and the output end of the telescopic cylinder is fixedly connected with the sliding guide block 31 of the curve wheel structure 3.

[0042] Specifically, the sliding guide block 31 is rotatably installed with a rotating shaft 32 penetrating the sliding guide block 31 through a large bearing 311.

[0043] Specifically, the pin shaft 35 located in the cam groove 13 is provided with a roller at both ends through a small bearing.

[0044] Specifically, the angle between the swing rod 33 and the force transmission rod 34 is 130-135 degrees.

[0045] Specifically, the support plate 12 located at the bottom of the two fixed plates 11 is provided with a track for linear reciprocating motion of the sliding guide block 31.

[0046] The utility model discloses a cam groove 13 is equipped with push out part 131, turnover part 132 and limiting portion 133, pin shaft 35 and the cam 351 of both ends walk to push out part 131, can pull apart (34-36) cm main track 100 and vice track 200, convenient enough operating space when overturning action, limiting portion 133 is to prevent pin shaft 35 and the cam 351 of both ends fall into turnover part 132 and cause engineering accident.

[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bridge-launching machine track automatic stowing device, characterized in that, The utility model provides a kind of track structure, including the I-shaped frame (1) for supporting main track (100) and the C-shaped I-shaped frame (2) for supporting sub-track (200), cam structure (3) for storing sub-track (200) is installed in I-shaped frame (1); The I-shaped frame (1) includes two spaced apart fixed plates (11), and a support plate (12) fixed to the top and bottom of the two fixed plates (11), the fixed plate (11) is provided with a cam groove (13) in the shape of S, the cam groove (13) includes a push-out portion (131) for laterally pushing out the sub-track (200), a turnover portion (132) for upwardly turning over the sub-track (200), and a limiting portion (133), the push-out portion (131), the turnover portion (132) and the limiting portion (133) are communicated in sequence; the cam structure (3) is installed in the gap between the two fixed plates (11). The cam structure (3) includes a sliding guide block (31), a rotating shaft (32) penetrating through the sliding guide block (31) is rotatably installed on the sliding guide block (31), two swing rods (33) are fixedly connected to the two ends of the rotating shaft (32) extending out of the sliding guide block (31), the two swing rods (33) are hingedly connected to a force transmission rod (34) arranged on one side of the sliding guide block (31) through a pin shaft (35), the force transmission rod (34) extends out of the I-shaped frame (1) and is fixedly connected to the C-shaped I-shaped frame (2), the pin shaft (35) extends into the cam groove (13) at its two ends and is provided with a cam (351) matched with the cam groove (13); one side of the sliding guide block (31) of the cam structure (3) is connected to the output end of a driving mechanism (4) to realize linear reciprocating motion.

2. The bridge-launching rail automatic stowing device according to claim 1, characterized in that: The length of the push-out portion (131) of the cam groove (13) is (34-36) cm.

3. The bridge-launching rail automatic stowing device according to claim 1, characterized in that: The sliding guide block (31) is provided with a recess (312), the force transmission rod (34) is provided with an opening (341) matched with the recess (312), and the recess (312) and the opening (341) are adapted for the sub-track (200) to be turned over by (80-90) degrees upwardly.

4. The bridge-launching rail automatic stowing device according to claim 1, characterized in that: The driving mechanism (4) is a telescopic air cylinder, and the output end of the telescopic air cylinder is fixedly connected to the sliding guide block (31) of the cam structure (3).

5. The bridge-launching rail automatic stowing device according to claim 1, characterized in that: The rotating shaft (32) penetrating through the sliding guide block (31) is rotatably installed on the sliding guide block (31) through a large bearing (311).

6. The bridge-launching rail automatic stowing device according to claim 1, characterized in that: The pin shaft (35) located in the cam groove (13) is provided with a roller at its two ends through a small bearing.

7. The bridge-launching rail automatic assembly apparatus according to claim 1, wherein: The angle between the swing rod (33) and the force transmission rod (34) is (130-135) degrees.

8. The bridge-launching rail automatic assembly apparatus according to claim 1, wherein: The support plate (12) located at the bottom of the two fixed plates (11) is provided with a track for the linear reciprocating motion of the sliding guide block (31).