CN114577501A

CN114577501A - Large bridge crane load test device

Info

Publication number: CN114577501A
Application number: CN202210219335.7A
Authority: CN
Inventors: 王石林; 施玉泽; 甘泉
Original assignee: Sinohydro Bureau 14 Co Ltd
Current assignee: Sinohydro Bureau 14 Co Ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-03

Abstract

The invention discloses a load test device for a large bridge crane, which comprises: the box girder, the lug plate, the reinforcing plate, the lug plate reinforcing piece, the platform, the supporting piece, the inclined support, the side block, the shaft pin and the reinforcing rib. The reinforcing plate is fixedly connected with two sides of the box beam, the lug plate is fixedly connected with the box beam, the reinforcing rib is connected with the reinforcing plate and the box beam, and the middle of the lug plate is provided with a lifting hook and is fixed through a shaft pin; one end of the lifting lug plate reinforcing piece is fixedly connected with the left side and the right side of the lifting lug plate respectively, and the other end of the lifting lug plate reinforcing piece is fixedly connected with the box-shaped beam; the platform is evenly distributed and fixed on the upper surface of the box-shaped beam, two ends of each platform are side baffles and are vertically connected with the platform, an inclined support is fixedly connected between the lower surface of the platform and the box-shaped beam, and a supporting piece is connected at the joint of the inclined support and the platform. The load test device for the large bridge crane, provided by the invention, has the advantages of simple structure, convenience in manufacture, reusability, capability of well protecting the reinforcing steel bars from deforming and safely and reliably completing the load test of the bridge crane.

Description

Large bridge crane load test device

Technical Field

The invention belongs to the technical field of hoisting equipment installation, and particularly relates to a large bridge crane load test device.

Background

When large-scale bridge crane load test, generally choose for use the reinforcing bar as experimental load (the construction industry reinforcing bar quantity is big, and bridge crane load test is accomplished the back reinforcing bar and can also continue to use, practices thrift the cost, makes things convenient for the counter weight simultaneously), makes a interim hoist and mount platform usually, stacks the reinforcing bar to the platform during the experiment, and the platform passes through wire rope with the bridge crane hook and is connected. The bridge crane has many times of load tests, the steel wire rope needs to be removed every time when the load is increased (or reduced), the steel wire rope needs to be recovered after the load is added, and then the tests are carried out. The conventional load test procedure is tedious, the working efficiency is low, and along with the gradual increase of load, the steel wire rope is easy to scrape with the reinforcing steel bar, so that the potential safety hazard exists.

Disclosure of Invention

The invention aims to solve the technical problems that the traditional large bridge crane load test process is complicated, the efficiency is low, and potential safety hazards exist.

In order to solve the technical problem, the invention provides a load test device for a large bridge crane, which comprises: the lifting lug comprises a box beam, a lifting lug plate, a reinforcing plate, a lifting lug plate reinforcing piece, a plurality of platforms, two supporting pieces, a plurality of inclined supports, a plurality of side baffles, a shaft pin and a reinforcing rib; the two reinforcing plates are fixedly connected with two sides of the box beam, the two lifting lug plates are respectively fixedly connected with the box beam, the reinforcing ribs are further connected with the reinforcing plates and the box beam, and a lifting hook is arranged between the two lifting lug plates and is fixed through a shaft pin; the lifting lug plate reinforcing piece comprises a lifting lug plate, a plurality of platform evenly distributed reinforcing pieces, a plurality of platform supporting pieces, a plurality of platform side baffles, a plurality of box-shaped beams, a plurality of platform side baffles, a plurality of platform reinforcements, and a plurality of box-upright support steel buttress supports.

Further, the platform is composed of ten I-shaped steels, and the ten I-shaped steels are arranged at equal intervals.

Further, the supporting piece is of an I-shaped structure.

Further, the included angle between the inclined support and the platform is 45 degrees.

Further, the included angle between the lug plate reinforcing piece and the platform is 60 degrees.

The invention has the beneficial effects that: the large bridge crane load test tool is simple in structure, convenient to manufacture and capable of being repeatedly used, a platform is transversely laid on a box-shaped beam by I-shaped steel, the I-shaped steel and the box-shaped beam are welded and fixed, side baffles are welded at two ends of the I-shaped steel, stacking and sliding prevention of reinforcing steel bars are facilitated, the reinforcing steel bars can be well protected from deformation, and safety and reliability are achieved.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram (front view) of a large bridge crane load test device of the invention.

Fig. 2 is a schematic sectional view of the structure of fig. 1 taken along the direction a.

Fig. 3 is a schematic view of the structure of fig. 1 in the direction B.

In the figure: the method comprises the following steps of 1-box type beam, 2-lug plate, 3-reinforcing plate, 4-lug plate reinforcing piece, 5-platform, 6-supporting piece, 7-inclined support, 8 side block, 9-shaft pin, 10-reinforcing rib, 11-lifting hook and 12-steel buttress.

Detailed Description

In the description of the invention, it is also to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, such as for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-3, a large bridge crane load test device comprises: the structure comprises a box-shaped beam 1 (a steel plate with the length of 10m, the width of 1m, the height of 1.5m and the thickness of 20 mm), a lug plate 2, a reinforcing plate 3, a lug plate reinforcing piece 4, a plurality of platforms 5 (I63I-steel), a plurality of supporting pieces 6 (I28I-steel), a plurality of inclined supports 7, a plurality of side baffles 8 (16 channel steel), a shaft pin 9 and a reinforcing rib 10; the two reinforcing plates 3 are fixedly connected with two sides of the box-shaped beam 1, the two lug plates 2 are respectively fixedly connected with the box-shaped beam 1 and the reinforcing ribs 10, the reinforcing ribs 10 are respectively connected with the reinforcing plates 3 and the box-shaped beam 1, and a lifting hook 11 is arranged between the two lug plates 2 and is fixed through a shaft pin 9; 4 one ends of lug plate reinforcement respectively with 2 left and right sides fixed connection of lug plate, the other end and 1 fixed connection of box girder, 5 evenly distributed of a plurality of platforms fix at 1 upper surface of box girder, and 5 both ends of every platform are kept off 8 for the side and are connected with 5 perpendicular of platform, have bearing diagonal 7 fixed connection below the platform 5 and between 1 of box girder, bearing diagonal 7 is connected with support piece 6 with 5 junctions of platform, and support piece 6 is supported by steel buttress 12.

Preferably, the platform 5 is made of ten i-beams, and the ten i-beams are arranged at equal intervals.

Preferably, the supporting member 6 has an i-shaped structure.

Preferably, the angle between the inclined support 7 and the platform 5 is 45 degrees.

Preferably, the included angle between the hanger plate reinforcement 4 and the platform 5 is 60 degrees.

When the device is used, the large bridge crane load test device is placed below a bridge crane, a bridge crane hook 11 is placed between two lug plates 2 of the tool, a shaft pin 9 penetrates through the position of the hook 11 and the shaft hole in the lug plate 2 after being aligned, the shaft pin 9 is locked by a bolt through holes in two ends of the shaft after penetrating in place, then the bridge crane is commanded to lift the tool to check whether the tool is abnormal and then fall back to the ground, four steel buttresses 12 are longitudinally and respectively used for supporting the lower surfaces of supporting pieces 6 on two sides of a box-shaped beam 1 to prevent a platform 5 from side turning, finally, reinforcing steel bars are respectively lifted to the platforms 5 on the two sides of the box-shaped beam 1 by using automobile hoisting, the reinforcing steel bars are stacked as symmetrically as much as possible, and the test is carried out after the stacking load requirements are met.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made thereto within the knowledge of those skilled in the art.

Claims

1. The utility model provides a large-scale bridge crane load test device which characterized in that includes: the device comprises a box-shaped beam (1), a lifting lug plate (2), a reinforcing plate (3), a lifting lug plate reinforcing piece (4), a plurality of platforms (5), two supporting pieces (6), a plurality of inclined supports (7), a plurality of side baffles (8), a shaft pin (9) and a reinforcing rib (10); the two reinforcing plates (3) are fixedly connected with two sides of the box-shaped beam (1), the two lug plates (2) are respectively fixedly connected with the box-shaped beam (1), the reinforcing ribs (10) are connected with the reinforcing plates (3) and the box-shaped beam (1), and a lifting hook (11) is arranged between the two lug plates (2) and is fixed through a shaft pin (9); hanger plate reinforcement (4) one end respectively with hanger plate (2) left and right sides fixed connection, the other end and box roof beam (1) fixed connection, a plurality of platforms (5) evenly distributed fix at box roof beam (1) upper surface, and every platform (5) both ends are kept off (8) for the side and are connected with platform (5) are perpendicular, have bearing diagonal (7) fixed connection below platform (5) and between box roof beam (1), bearing diagonal (7) are connected with support piece (6) with platform (5) junction, and support piece (6) are supported by steel buttress (12).

2. A large bridge crane load test device according to claim 1, wherein the platform (5) is composed of ten I-beams, and the ten I-beams are arranged at equal intervals.

3. A large bridge crane load test device according to claim 1, wherein the supporting member (6) is of an i-shaped structure.

4. A large bridge crane load test device according to claim 1, wherein the angle between the inclined support (7) and the platform (5) is 45 degrees.

5. A large bridge crane load test device according to claim 1, wherein the included angle between the hanger plate reinforcement (4) and the platform (5) is 60 degrees.