Novel self-balancing bridge girder erection machine

Abstract

The utility model provides a novel self-balancing bridge girder erection machine which comprises a main beam, a crown block, a front auxiliary supporting leg, a front supporting leg, a middle supporting leg and a rear supporting leg, the crown block, the front auxiliary supporting leg, the front supporting leg, the middle supporting leg and the rear supporting leg are arranged on the main beam, the front auxiliary supporting leg and the rear supporting leg are identical in structure, and the front supporting leg and the middle supporting leg are identical in structure. The front supporting leg and the middle supporting leg comprise a transverse moving rail, a vertical support, a horizontal trolley arranged on the upper side of the vertical support and a transverse moving trolley arranged on the lower side of the vertical support. The transverse moving trolley comprises a middle cross beam, wheel frames are arranged at the two ends of the middle cross beam respectively, wheel sets are arranged on the wheel frames respectively, and a transverse moving motor is fixed to one wheel frame and is in transmission connection with the wheel sets. The middle cross beam is provided with a rail clamp corresponding to the transverse moving rail. In the using process of the novel self-balancing bridge girder erection machine, in the process that the horizontal trolley moves along the main beam track, the transverse moving track can move along with the front supporting leg and the middle supporting leg, manual moving of the transverse moving track is not needed, and the construction difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to a bridge erection device, in particular to a novel self-balancing bridge erection machine. Background Art

[0002] A bridge erection machine is a special construction machine used to hoist prefabricated reinforced concrete (or prestressed concrete) beams onto bridge supports (piers). At present, there are many types of bridge erection machines on the market, for example: Chinese patent CN212358016U discloses a bidirectional bridge erection machine, which includes a first support leg, a second support leg, a first auxiliary leg and a second auxiliary leg. The upper ends of the first support leg and the second support leg can move along the main beam, and the lower ends of the first support leg and the second support leg can move along the transverse track. However, in actual use, after the upper ends of the first support leg and the second support leg move, it is necessary to re-move and lay the transverse track according to the positions of the first support leg and the second support leg after the movement, in order to meet the use requirements of the first support leg and the second support leg.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Utility Model Content

[0004] The purpose of the utility model is to provide a novel self-balancing bridge erecting machine in view of the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A novel self-balancing bridge-building machine comprises a main beam and a crane arranged on the main beam, a front auxiliary support leg, a front support leg, a middle support leg and a rear support leg, wherein the front auxiliary support leg and the rear support leg have the same structure, and the front support leg and the middle support leg have the same structure, and the front support leg and the middle support leg comprise a transverse track, a vertical bracket, a horizontal trolley arranged on the upper side of the vertical bracket, and a transverse trolley arranged on the lower side of the vertical bracket; the transverse trolley comprises a middle cross beam, and wheel frames are respectively arranged at both ends of the middle cross beam, and wheel groups are respectively arranged on each wheel frame, a transverse motor is fixed on one of the wheel frames, and the transverse motor is transmission-connected to the wheel group; a track clamp is arranged on the middle cross beam corresponding to the transverse track.

[0007] The track clamp includes a fixed seat and clamping arms respectively arranged on both sides of the fixed seat. The upper ends of the two clamping arms are hinged to the fixed seat and the hinge shafts are respectively connected to transmission gears. The two transmission gears are meshed, and one of the transmission gears is connected to the clamping motor.

[0008] The clamping arm comprises a connecting rod connected to a fixing seat, a free end of the connecting rod is connected to a cross frame, a plurality of clamping members are evenly arranged on the cross frame, and when the clamping arm is in a closed state, the clamping members abut against the web of the I-beam track.

[0009] The transverse track comprises two parallel I-beam rails with their ends aligned, the ends of the two I-beam rails are connected via a connecting seat, and the lower wing plates of the two I-beam rails are connected via a plurality of reinforcing plates.

[0010] The wheel frame comprises two identical rectangular steels, the lower side of the rectangular steels is provided with a mounting notch for the wheel set, the outer end surface of the rectangular steels is provided with a mounting plate, and a buffer is provided on the mounting plate.

[0011] An inverted U-shaped notch is arranged on the lower side of the mounting plate, and the upper wing plate of the I-beam is inserted into the inverted U-shaped notch.

[0012] Compared with the prior art, the utility model has the beneficial effect that the utility model provides a new self-balancing bridge erecting machine. During use, when the horizontal trolley moves along the main beam track, the transverse track can move together with the front legs and the middle legs, without the need to manually move the transverse track, thereby reducing the difficulty of construction. Specifically, when the wheels of the horizontal trolley on the upper side of the front legs and the middle legs move along the main beam, the track clamp clamps the transverse track and moves with the transverse track. When the wheels of the transverse trolley on the lower side of the front legs and the middle legs move along the transverse track, the track clamp loosens the transverse track to facilitate the movement of the transverse trolley. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the transverse track and the wheel frame in the utility model.

[0014] Figure 2 It is a structural schematic diagram of the bridge erecting machine in the utility model.

[0015] In the figure: 1. front auxiliary support leg; 2. front support leg; 3. main beam; 4. middle support leg; 5. overhead crane; 6. rear support leg; 7. track clamp; 71. fixed seat; 72. cross frame; 73. clamping piece; 8. middle cross beam; 9. wheel frame; 10. transverse motor; 11. transverse track; 12. reinforcement plate; 13. connecting seat; 14. mounting plate. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0017] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. "Installed", "provided with", "connected", etc. can adopt conventional means in the prior art, such as: integral setting, snap-on installation, welding connection, adhesive connection, bolt connection, etc. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances, and suitable connection, setting or installation methods can be selected in the prior art.

[0018] like Figure 1-2 As shown, a novel self-balancing bridge-building machine comprises a main beam 3 and a crane 5 arranged on the main beam 3, a front auxiliary support leg 1, a front support leg 2, a middle support leg 4 and a rear support leg 6. The front auxiliary support leg 1 and the rear support leg 6 have the same structure, and the front support leg 2 and the middle support leg 4 have the same structure. The front support leg 2 and the middle support leg 4 comprise a transverse track 11, a vertical support, a horizontal trolley arranged on the upper side of the vertical support, and a transverse trolley arranged on the lower side of the vertical support; the transverse trolley comprises a middle crossbeam 8, wheel frames 9 are respectively arranged at both ends of the middle crossbeam 8, and wheel groups are respectively arranged on each wheel frame 9, a transverse motor 10 is fixed on one of the wheel frames 9, and the transverse motor 10 is transmission-connected to the wheel group; a track clamp 7 is arranged on the middle crossbeam 8 corresponding to the transverse track 11. Specifically, the structures and functions of the main beam, overhead crane, front auxiliary outrigger, front outrigger, middle outrigger and rear outrigger of the bridge erection machine are not significantly different from those of the prior art. Horizontal tracks are respectively arranged on the main beam corresponding to the horizontal trolley and overhead crane to facilitate the movement of the horizontal trolley and overhead crane along the main beam. The front auxiliary outrigger and the rear outrigger have the same structure and can use telescopic outriggers. A lifting drum is provided on the overhead crane to facilitate the lifting of prefabricated bridge parts.

[0019] During use, when the horizontal trolley moves along the main beam track, the transverse track can move with the front legs and the middle legs, without the need to manually move the transverse track, reducing the difficulty of construction. Specifically, when the wheels of the horizontal trolley on the upper side of the front legs and the middle legs move along the main beam, the track clamp clamps the transverse track and moves with the transverse track. When the wheels of the transverse trolley on the lower side of the front legs and the middle legs move along the transverse track, the track clamp releases the transverse track to facilitate the movement of the transverse trolley.

[0020] In one embodiment, the track clamp 7 includes a fixed seat 71, clamping arms respectively arranged on both sides of the fixed seat 71, the upper ends of the two clamping arms are hinged to the fixed seat 71, and the hinge shafts are respectively connected to the transmission gears, the two transmission gears are meshed, and one of the transmission gears is connected to the clamping motor. Specifically, the clamping motor, the traverse motor, etc. can adopt common motor equipment in the prior art. During use, the motor drives the transmission gear to rotate, and drives the clamping arm to swing to clamp or release the traverse track.

[0021] In one embodiment, the clamping arm includes a connecting rod connected to a fixing seat 71, a cross frame 72 is connected to the free end of the connecting rod, and a plurality of clamping members 73 are evenly arranged on the cross frame 72. When the clamping arm is closed, the clamping members 73 abut against the web of the I-beam track. During use, the contact area is increased by multiple sets of supporting members. In addition, in order to avoid slipping, anti-slip patterns can be provided on the web of the I-beam or / and the clamping members.

[0022] In one embodiment, the transverse track 11 includes two parallel I-beam rails with aligned ends. The two sets of rails are matched with two sets of wheels. The ends of the two I-beam rails are connected by a connecting seat 13. The lower wing plates of the two I-beam rails are connected by a plurality of reinforcing plates 12 to connect the two sets of rails together for easy movement.

[0023] In one embodiment, the wheel frame 9 includes two identical rectangular steels, the lower side of the rectangular steels is provided with a mounting notch for the wheel set, the outer end surface of the rectangular steels is provided with a mounting plate 14, and a buffer is provided on the mounting plate 14.

[0024] In one embodiment, an inverted U-shaped notch is provided on the lower side of the mounting plate 14, and the upper wing plate of the I-beam is inserted into the inverted U-shaped notch. During operation, the mounting plate can scrape off debris on the I-beam track to avoid affecting the operation of the wheels.

[0025] The above embodiments can be combined with each other.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A novel self-balancing bridge erecting machine, comprising a main beam and a crane arranged on the main beam, a front auxiliary outrigger, a front outrigger, a middle outrigger and a rear outrigger, wherein the front auxiliary outrigger and the rear outrigger have the same structure, and the front outrigger and the middle outrigger have the same structure, and the characteristics are: The front support leg and the middle support leg include a transverse track, a vertical bracket, a horizontal trolley arranged on the upper side of the vertical bracket, and a transverse trolley arranged on the lower side of the vertical bracket; the transverse trolley includes a middle crossbeam, wheel frames are respectively arranged at both ends of the middle crossbeam, and wheel groups are respectively arranged on each wheel frame, a transverse motor is fixed on one of the wheel frames, and the transverse motor is transmission-connected to the wheel group; a track clamp is arranged on the middle crossbeam corresponding to the transverse track.

2. The novel self-balancing bridge erecting machine according to claim 1 is characterized in that: The track clamp includes a fixed seat and clamping arms respectively arranged on both sides of the fixed seat. The upper ends of the two clamping arms are hinged to the fixed seat and the hinge shafts are respectively connected to transmission gears. The two transmission gears are meshed, and one of the transmission gears is connected to the clamping motor.

3. The novel self-balancing bridge erecting machine according to claim 2 is characterized in that: The clamping arm comprises a connecting rod connected to a fixing seat, a free end of the connecting rod is connected to a cross frame, a plurality of clamping members are evenly arranged on the cross frame, and when the clamping arm is in a closed state, the clamping members abut against the web of the I-beam track.

4. The novel self-balancing bridge erecting machine according to claim 3 is characterized in that: The transverse track comprises two parallel I-beam rails with their ends aligned, the ends of the two I-beam rails are connected via a connecting seat, and the lower wing plates of the two I-beam rails are connected via a plurality of reinforcing plates.

5. The novel self-balancing bridge erecting machine according to claim 4 is characterized in that: The wheel frame comprises two identical rectangular steels, the lower side of the rectangular steels is provided with a mounting notch for the wheel set, the outer end surface of the rectangular steels is provided with a mounting plate, and a buffer is provided on the mounting plate.

6. The novel self-balancing bridge erecting machine according to claim 5 is characterized in that: An inverted U-shaped notch is arranged on the lower side of the mounting plate, and the upper wing plate of the I-beam is inserted into the inverted U-shaped notch.

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