CN210066495U

CN210066495U - Bridge erecting machine

Info

Publication number: CN210066495U
Application number: CN201920173854.8U
Authority: CN
Inventors: 童巨苍; ***; 杨克旺; 林娜; 赵友瑞
Original assignee: ZHONGJIAN LUQIAO EQUIPMENT Co Ltd
Current assignee: ZHONGJIAN LUQIAO EQUIPMENT Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-02-14
Anticipated expiration: 2029-01-31

Abstract

A bridge girder erection machine belongs to the technical field of bridge girder erection machines. The utility model comprises a main beam, a front supporting leg and a middle supporting leg are arranged below the main beam, tail landing leg and interim landing leg, be equipped with anti-roller train and positive oblique exchange device between well landing leg and the girder, the front and back both sides face of girder is equipped with solar cell panel, the one end of girder is equipped with generating set, the top of girder is equipped with the girder car, the both sides of girder car are equipped with the fender wheel along the motion of girder lateral surface, the top of girder car is equipped with the trolley, the trolley is connected with the hoist through wire rope, the hoist includes shoulder pole roof beam and movable pulley box, be equipped with rotation connecting device between shoulder pole roof beam and the movable pulley box, it includes first rotating flange and second rotating flange to rotate connecting device, first rotating flange cover is established in the second rotating flange, all be equipped with a plurality of locating holes and locating lever on first rotating flange and the second rotating flange outer wall, the locating lever is installed on the second rotating flange and passes the locating hole on first rotating flange and the second rotating flange respectively.

Description

Bridge erecting machine

Technical Field

The utility model belongs to the technical field of the equipment of building a bridge, especially, relate to a bridge girder erection machine.

Background

The bridge girder erection machine is equipment for placing prefabricated beam pieces on a prefabricated bridge pier. The bridge girder erection machine belongs to the category of cranes, because the main function of the bridge girder erection machine is to lift a girder piece, then transport the girder piece to a designated position and put the girder piece down. But it is very different from a general crane. The bridge erecting machine can increase the mode, efficiency and safety of the girder erecting, can walk on the bridge deck or the capping beam, can transversely move and longitudinally move, and can turn and interchange the girders forwards and backwards. The bridge erecting machine is generally used for erecting a highway bridge, a conventional railway bridge, a special passenger railway bridge and the like.

At present, the range of application of bridge girder erection machine is more and more extensive, the condition of use is also very changeable, when erectting, can meet the roof beam body of off-angle, when using conventional graduation formula bolt hole positioner, can only carry out ladder fender regulation according to the angle of design, when meetting the small-angle or requiring accurate angle, just can not be competent, and need use external manpower to adjust the angle, the labour cost has been increased, the factor of insecurity also exists simultaneously, when erectting the curve bridge of small radius, especially the curve bridge of great span, the bridge girder erection machine receives self huge trunk restriction, often can't adapt to, will greatly influence the progress of construction, and because the instability of the angle of artifical application of force and power direction, the degree of difficulty and the danger coefficient of construction have also been increased. And the installation mode of the shoulder pole beam adopted in the prior art is fixed, and once the portal crane changes the operation direction, the shoulder pole beam cannot adapt to the operation mode, and only needs to be manufactured and installed again, which is very troublesome.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art, and provides a bridge girder erection machine, which comprises a main girder, wherein a front support leg, a middle support leg, a tail support leg and a temporary support leg are arranged below the main girder, a reverse roller set and a forward-oblique exchange device are arranged between the middle support leg and the main girder, solar cell panels are arranged on the front side surface and the rear side surface of the main girder, a generator set is arranged at one end of the main girder, a truss is arranged above the main girder, stop wheels moving along the outer side surface of the main girder are arranged on the two sides of the truss, a crane trolley is arranged above the truss and is connected with a lifting appliance through a steel wire rope, the lifting appliance comprises a shoulder pole beam and a movable pulley box, a rotary connecting device is arranged between the shoulder pole beam and the movable pulley box, the rotary connecting device comprises a first rotary flange and a second rotary flange, the lower end of the first rotary flange is, the upper end of the second rotating flange is connected with the movable pulley box, the first rotating flange is sleeved in the second rotating flange, a plurality of positioning holes and positioning rods are arranged on the outer walls of the first rotating flange and the second rotating flange, and the positioning rods are arranged on the second rotating flange and respectively penetrate through the positioning holes in the first rotating flange and the second rotating flange.

Preferably, be equipped with the connecting piece between interim landing leg and the girder, the connecting piece is rotatable structure, and at the walking in-process, need not dismantle interim landing leg, only need overturn and go to can avoid hitting the abutment, convenient and practical.

Preferably, be equipped with the connecting rod between solar cell panel and the girder, connecting rod and solar cell panel fixed connection rotate with the girder and be connected, when the bridge girder erection machine outdoor operations, can manually rotate the angle of connecting rod to solar cell panel can be better receives sunshine.

Preferably, the positive and negative exchange device comprises an upper flange, a lower flange, a worm and a worm wheel, the upper flange is connected with the reverse roller set, the lower flange is connected with the middle supporting leg, the worm wheel and the worm are arranged between the upper flange and the lower flange, and full-angle rotation can be realized through relative movement of the worm wheel and the worm.

The utility model discloses beneficial effect who has: the utility model is provided with the solar cell panel, combines the characteristics of outdoor operation, fully utilizes solar energy, is green and environment-friendly, and is provided with the generator set, so that the bridge girder erection machine can still continuously work under the condition of no electricity, thereby greatly improving the adaptability of the bridge girder erection machine to the construction environment; the temporary support legs capable of being turned over randomly are arranged, so that the bridge erecting operation of pier-girder consolidation can be adapted, the temporary support legs do not need to be disassembled in the walking process, and the abutment can be prevented from being hit only by turning over, so that the bridge is convenient and practical; a positive-oblique exchange conversion device is arranged between the reverse roller set and the middle supporting leg, and can rotate at a full angle through the relative movement of a worm gear and a worm, so that the device has the effects of accurately adjusting the angle, locking the positioning angle and being convenient and safe to use; the two sides of the truss vehicle are provided with the catch wheels which move along the side surface of the main beam of the bridge girder erection machine, so that the truss vehicle can be prevented from toppling over, and the stability of the truss vehicle in walking on the main beam is ensured, therefore, the bridge girder erection machine has the advantages of simple structure, safety, reliability and stable operation; adopt first rotatory flange and second rotatory flange to realize normal running fit between movable pulley box and the shoulder pole roof beam, adopt such normal running fit's mode not only can reach the pivoted effect, can adjust pivoted angle according to actual need simultaneously to can not appear rocking between assurance rotation back flat pole roof beam and the movable pulley box, and the size of shoulder pole roof beam can be changed according to actual need and need not to take off the movable pulley box.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the lifting appliance of the present invention;

fig. 4 is a schematic structural view of the rotary connection device in the lifting device of the present invention

Fig. 5 is a schematic structural diagram of the forward-oblique exchanging device of the present invention.

In the figure: 1. a main beam; 2. a front leg; 3. a middle support leg; 4. a tail leg; 5. a temporary leg; 6. a reverse roller set; 7. A forward-oblique switching device; 71. an upper flange; 72. a lower flange; 73. a worm; 74. a worm gear; 8. a solar panel; 9. A generator set; 10. a truss vehicle; 11. a catch wheel; 12. a trolley; 13. a wire rope; 14. a spreader; 141. a shoulder pole beam; 142. a movable pulley box; 143. a rotating connection device; 1431. a first rotating flange; 1432. a second rotating flange; 1433. Positioning holes; 1434. positioning a rod; 15. a connecting rod.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a bridge girder erection machine comprises a main girder, wherein a front supporting leg, a middle supporting leg, a tail supporting leg and a temporary supporting leg are arranged below the main girder, a reverse roller set and a forward-oblique exchange device are arranged between the middle supporting leg and the main girder, solar cell panels are arranged on the front side surface and the rear side surface of the main girder, a generator set is arranged at one end of the main girder, a truss car is arranged above the main girder, blocking wheels moving along the outer side surface of the main girder are arranged on the two sides of the truss car, a crane car is arranged above the truss car and connected with a lifting appliance through a steel wire rope, the lifting appliance comprises a shoulder pole beam and a movable pulley box, a rotary connecting device is arranged between the shoulder pole beam and the movable pulley box and comprises a first rotary flange and a second rotary flange, the lower end of the first rotary flange is connected with the shoulder pole beam, and the upper end of the second rotary flange is connected with the movable pulley box, the first rotating flange is sleeved in the second rotating flange, a plurality of positioning holes and positioning rods are arranged on the outer walls of the first rotating flange and the second rotating flange, and the positioning rods are arranged on the second rotating flange and respectively penetrate through the positioning holes in the first rotating flange and the second rotating flange.

The connecting piece is arranged between the temporary supporting leg and the main beam and is of a rotatable structure, so that the temporary supporting leg does not need to be detached in the walking process, and the abutment can be prevented from being hit only by turning over the temporary supporting leg, and the walking vehicle is convenient and practical.

The connecting rod is arranged between the solar cell panel and the main beam, the connecting rod is fixedly connected with the solar cell panel and is rotatably connected with the main beam, and the angle of the connecting rod can be manually rotated when the bridge girder erection machine is used for outdoor operation, so that the solar cell panel can better receive sunlight.

The positive and negative exchange device comprises an upper flange, a lower flange, a worm and a worm wheel, wherein the upper flange is connected with a reverse roller set, the lower flange is connected with a middle supporting leg, the worm wheel and the worm are arranged between the upper flange and the lower flange, and full-angle rotation can be realized through relative movement of the worm and the worm wheel.

When the device works, the worm is driven to rotate by the motor, the worm wheel is further driven to rotate, the upper flange and the lower flange are enabled to move relatively, the upper flange is connected with the reverse roller set, the lower flange is connected with the middle supporting leg, the whole device can be driven to rotate, so that the angle is adjusted, the transverse horizontal thrust caused by asymmetric downward deflection of the main beam in the oblique bridge girder erecting operation is completely avoided, the occurrence of lateral overturning of a bridge girder erection machine is prevented, and the safety is greatly improved; solar energy is used for power supply in sunny weather, the environment is protected, energy is saved, a generator set can supply power when no electricity or solar energy exists, and the applicability of the bridge girder erection machine is improved; when the angle of the shoulder pole beam needs to be adjusted, only the positioning rod needs to be detached, the lower flange is rotated to the required angle, and then the positioning rod is used for positioning again, so that the adjusting mechanism is simple and convenient.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A bridge girder erection machine comprises a main girder, and is characterized in that a front supporting leg, a middle supporting leg, a tail supporting leg and a temporary supporting leg are arranged below the main girder, a reverse roller set and a forward-oblique exchange device are arranged between the middle supporting leg and the main girder, solar cell panels are arranged on the front side surface and the rear side surface of the main girder, a generator set is arranged at one end of the main girder, a truss is arranged above the main girder, stop wheels moving along the outer side surface of the main girder are arranged on two sides of the truss, a crane trolley is arranged above the truss and connected with a lifting appliance through a steel wire rope, the lifting appliance comprises a carrying pole beam and a movable pulley box, a rotation connecting device is arranged between the carrying pole beam and the movable pulley box and comprises a first rotating flange and a second rotating flange, the lower end of the first rotating flange is connected with the carrying pole beam, and the upper end of the second rotating flange is connected with the, the first rotating flange is sleeved in the second rotating flange, a plurality of positioning holes and positioning rods are arranged on the outer walls of the first rotating flange and the second rotating flange, and the positioning rods are arranged on the second rotating flange and respectively penetrate through the positioning holes in the first rotating flange and the second rotating flange.

2. A bridging machine according to claim 1, wherein a connection is provided between the temporary leg and the main beam, the connection being a rotatable structure.

3. A bridge erecting machine according to claim 1, wherein a connecting rod is arranged between the solar cell panel and the main beam, and the connecting rod is fixedly connected with the solar cell panel and rotatably connected with the main beam.

4. A bridging machine according to claim 1, wherein the skew exchanging device comprises an upper flange, a lower flange, a worm and a worm wheel, the upper flange is connected with the reverse roller set, the lower flange is connected with the middle support leg, and the worm wheel and the worm are arranged between the upper flange and the lower flange.