CN217810544U - Bridge steel bent cap hoisting device - Google Patents

Abstract

The utility model relates to a bridge technical field discloses a bridge steel bent cap hoisting device, including the pier basis, the fixed main bearing that is provided with in top middle part on pier basis, the fixed roof beam case that is provided with in top of main bearing, the fixed top hoisting device that is provided with in top on pier basis, top hoisting device has two first support frames and two second support frame fixed connection to constitute, two the middle part of first support frame and two second support frames is all fixed to be provided with the girder steel and leads to the rail. The utility model discloses in, traditional steel lid roof beam hoisting device compares, has overcome the comparatively heavy and low problem of work efficiency of whole device, has solved the problem that occupies the axle bed space in the work progress simultaneously, is applicable to the operational environment that the axle bed road surface need lead to the car.

Description

Bridge steel bent cap hoisting device

Technical Field

The utility model relates to a bridge technical field especially relates to a bridge steel bent cap hoisting device.

Background

The hoisting of present steel bent cap usually adopts large-scale hoisting machine, but the general hoist and mount efficiency of large-scale hoist and mount machinery reduces to the transportation of large-scale hoist and mount apparatus is very difficult, and use cost is expensive, can not satisfy user's demand gradually, simultaneously because it is longer to support the girder steel, and steel bent cap Liang Jiaochong, and can occupy the underbridge space in the work progress, is not suitable for many places and uses.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the bridge steel bent cap hoisting device who proposes compares traditional steel bent cap hoisting device, has overcome the comparatively heavy and low problem of work efficiency of whole device, has solved the problem that occupies the axle bed space in the work progress simultaneously, is applicable to the operational environment that the axle bed road surface needs to lead to the car.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a bridge steel bent cap lifting device comprises a bridge pier foundation, wherein a main support is fixedly arranged in the middle of the top end of the bridge pier foundation, a beam box is fixedly arranged at the top end of the main support, a top lifting device is fixedly arranged at the top end of the bridge pier foundation, the top lifting device is composed of two first support frames and two second support frames which are fixedly connected, steel beam through rails are fixedly arranged in the middle of the two first support frames and the two second support frames, fixed pulleys are rotatably arranged at two ends of the four steel beam through rails, steel cables are slidably arranged on the eight fixed pulleys, four movable pulleys are arranged on the steel cables, and fixed hooks are fixedly arranged on the four movable pulleys;

through the technical scheme, compare traditional steel lid roof beam hoisting device, through be provided with a hoisting device at bridge stand top, the device can be formed by channel-section steel processing, then by installing 8 fixed pulleys on upper portion hoisting device and installing 4 movable pulleys on lower part hoisting device, can promote the object that 8 times of rated lifting force of hoist engine are heavy through wire rope, by a wide margin improvement the actual output of hoist engine, thereby by a wide margin the weight of whole device has been reduced, and work efficiency is improved.

Furthermore, two bottom lifting devices are hung on the four fixed hooks;

furthermore, the two ends of each bottom lifting device are fixedly provided with the next two fixed steel plates, and two fixed steel frames are fixedly arranged between the two fixed steel plates of each bottom lifting device;

furthermore, one end of the steel cable far away from the fixed pulley and the movable pulley is fixedly provided with a ground anchor winch;

further, steel cover beams are arranged at the tops of the two bottom lifting devices;

through the technical scheme, the ground anchor winch works to provide power output so as to lift the steel capping beam to the top of the pier foundation.

Furthermore, bridge guardrails are fixedly arranged on two sides of the top of the beam box;

furthermore, a plurality of fixing bolts are fixedly arranged between the first support frame and the second support frame;

through above-mentioned technical scheme, promote the structural strength of support frame through fixing bolt.

Furthermore, newly-added supports are fixedly arranged on two sides of the top end of the steel bent cap, and the two newly-added supports are fixedly connected with the bottom of the beam box;

through above-mentioned technical scheme, through two newly-increased supports, strengthened the antidumping ability of pier.

The utility model discloses following beneficial effect has:

1. the utility model provides a bridge steel bent cap hoisting device, traditional steel bent cap hoisting device compares, through be provided with a hoisting device at bridge stand top, the device can be formed by channel-section steel processing, then by installing 8 fixed pulleys on upper portion hoisting device and installing 4 movable pulleys on lower part hoisting device, can promote the object that 8 times are heavy of the rated lifting force of hoist engine through wire rope, by a wide margin improvement the actual output power of hoist engine, thereby by a wide margin the weight of whole device has been reduced, and the work efficiency is improved.

2. The utility model provides a pair of bridge steel bent cap hoisting device through adopting the I-steel, device concatenations such as channel-section steel for all very convenient and fast that the installation was dismantled, and be convenient for change, whole device can reach safety and stability's effect at the in-process that promotes the steel bent cap.

3. The utility model provides a pair of bridge steel bent cap hoisting device compares traditional steel bent cap hoisting device, has overcome the comparatively heavy and low problem of work efficiency of whole device, has solved the problem that occupies the bridge bottom space in the work progress simultaneously, is applicable to the operational environment that the road surface need lead to the car at the bottom of the bridge.

Drawings

Fig. 1 is a schematic view of an installation process of a bridge steel bent cap lifting device provided by the utility model;

fig. 2 is an installed front view of a bridge steel bent cap lifting device provided by the present invention;

fig. 3 is a schematic structural view of a power device of the bridge steel bent cap lifting device provided by the utility model;

fig. 4 is a cross-sectional view of a top lifting device of a bridge steel bent cap lifting device provided by the utility model;

fig. 5 is the utility model provides a bottom hoisting device's of bridge steel bent cap hoisting device axonometric drawing.

Illustration of the drawings:

1. a pier foundation; 2. a main support; 3. a beam box; 4. bridge guardrails; 5. a top lift; 6. a bottom lift; 7. a ground anchor winch; 8. a steel capping beam; 9. a movable pulley; 10. fixing the hook; 11. newly adding a support; 501. a first support frame; 502. a second support frame; 503. passing through a steel beam; 504. a fixed pulley; 505. a steel cable; 506. fixing the bolt; 601. fixing a steel plate; 602. and fixing the steel frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a bridge steel bent cap hoisting device, including pier basis 1, the fixed main support 2 that is provided with in top middle part of pier basis 1, the fixed roof beam case 3 that is provided with in top of main support 2, the fixed top hoisting device 5 that is provided with in top of pier basis 1, top hoisting device 5 has two first support frames 501 and two second support frames 502 fixed connection to constitute, the equal fixed girder steel that is provided with in middle part of two first support frames 501 and two second support frames 502 leads to rail 503, four girder steel lead to rail 503's both ends are all rotated and are provided with fixed pulley 504, it is provided with steel cable 505 to slide on eight fixed pulley 504, be provided with four movable pulleys 9 on the steel cable 505, all the fixed couple 10 that is provided with on four movable pulleys 9.

Four fixed couple 10 have gone up the hookup and have been had two bottom hoisting device 6, two fixed steel sheet 601 after two bottom hoisting device 6's both ends are all fixed to be set up, all fixed two fixed steelframes 602 that are provided with between two fixed steel sheet 601 of every bottom hoisting device 6, the fixed earth anchor hoist 7 that is provided with of one end that keeps away from fixed pulley 504 and movable pulley 9 of steel cable 505, the top of two bottom hoisting device 6 is provided with steel bent cap 8, the top both sides of roof beam case 3 are all fixed and are provided with bridge railing 4, it is provided with a plurality of fixing bolt 506 to fix between first support frame 501 and the second support frame 502, the top both sides of steel bent cap 8 are all fixed and are provided with newly-increased support 11, two newly-increased support 11 all with the bottom fixed connection of roof beam case 3.

The working principle is as follows: firstly fixing a top lifting device 5 at the top of a pier foundation 1, then arranging a movable pulley 9 on a steel cable 505, hanging a fixed hook 10 at the bottom of the movable pulley 9 on a bottom lifting device 6, finally placing the bottom lifting device 6 at the bottom of a steel cover beam 8, driving the steel cover beam 8 to be lifted to the top of the pier foundation 1 through the work of a ground anchor winch 7, and after the fixed installation is finished, installing a newly-added support 11 between the steel cover beam 8 and a beam box 3, thereby achieving the purpose of enhancing the anti-overturning capability of the pier.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a bridge steel bent cap hoisting device, includes pier basis (1), its characterized in that: a main support (2) is fixedly arranged in the middle of the top end of the pier foundation (1), a beam box (3) is fixedly arranged at the top end of the main support (2), and a top lifting device (5) is fixedly arranged at the top end of the pier foundation (1);

top hoisting device (5) have two first support frame (501) and two second support frame (502) fixed connection to constitute, two the middle part of first support frame (501) and two second support frame (502) is all fixed and is provided with girder steel expert rail (503), four the both ends that girder steel expert rail (503) all rotate and are provided with fixed pulley (504), eight slide on fixed pulley (504) and be provided with wire rope (505), be provided with four movable pulley (9) on wire rope (505), four all fixed being provided with fixed couple (10) on movable pulley (9).

2. A bridge steel cap beam lifting device according to claim 1, characterized in that: and two bottom lifting devices (6) are hung on the four fixed hooks (10).

3. A bridge steel cap beam lifting device according to claim 1, characterized in that: two fixed steel plates (601) behind the both ends of two bottom lift device (6) all fixed the setting, every all fixed steel frame (602) that are provided with between two fixed steel plates (601) of bottom lift device (6).

4. A bridge steel cap beam lifting device according to claim 1, characterized in that: and one end of the steel cable (505) far away from the fixed pulley (504) and the movable pulley (9) is fixedly provided with a ground anchor winch (7).

5. A bridge steel cap beam lifting device according to claim 2, characterized in that: and steel cover beams (8) are arranged at the tops of the two bottom lifting devices (6).

6. A bridge steel cap beam lifting device according to claim 1, characterized in that: bridge guardrails (4) are fixedly arranged on two sides of the top of the beam box (3).

7. A bridge steel cap beam lifting device according to claim 1, characterized in that: a plurality of fixing bolts (506) are fixedly arranged between the first support frame (501) and the second support frame (502).

8. A bridge steel cap beam lifting device according to claim 5, characterized in that: the top both sides of steel bent cap (8) are all fixed and are provided with newly-increased support (11), two newly-increased support (11) all with the bottom fixed connection of roof beam case (3).

Images