Steel beam hoisting device for engineering

Abstract

The utility model discloses a hoisting device of a steel beam for engineering, which comprises a crane body, a counterweight bearing plate fixedly connected to the rear surface of the crane body, a plurality of counterweight plates detachably connected to the upper surface of the counterweight bearing plate, positioning holes formed in the lower surfaces of the counterweight plates, two positioning blocks fixedly connected to the upper surfaces of the counterweight plates, and a plurality of positioning holes formed in the lower surfaces of the positioning blocks. A positioning block is fixedly connected to the lower surface of the balance weight bearing plate, a lifting hole is formed in the positioning block, a mounting base is fixedly connected to the lower surface of the balance weight bearing plate, a hydraulic cylinder is fixedly connected to the lower surface of the mounting base, a push rod is fixedly connected to the output end of the hydraulic cylinder, and a supporting plate is fixedly connected to the end, away from the hydraulic cylinder, of the push rod. The balance weight plate can be conveniently installed, the stability of the balance weight plate can be ensured, and the balance weight plate can be conveniently hoisted and moved, so that the stability of the crane is ensured, the gravity center of the crane can be effectively reduced, the stability is improved, the inclination or turnover risk is reduced, and the construction safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering technical field, especially a hoisting device for engineering steel beam. BACKGROUND

[0002] With the continuous expansion of modern construction technology and engineering scale, the demand for various large structures has increased dramatically. Steel structure is widely used in various buildings such as high-rise buildings, bridges, stadiums and other buildings due to its excellent strength, durability and flexibility. The construction of these structures usually involves the hoisting of heavy steel beams, so professional hoisting devices are needed to ensure the safety and efficiency of the construction. Tower cranes, caterpillar cranes and steam cranes are commonly used now, which can lift and move heavy objects on the construction site. However, counterweights are usually used to increase stability during use, but the existing counterweights can only be laid simply and cannot ensure the stability of the counterweight plate. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art, providing a hoisting device for engineering steel beam, which can conveniently install the counterweight plate through the cooperation of the crane body, the counterweight plate, the positioning hole, the positioning block and the lifting hole, and can ensure the stability of the counterweight plate, conveniently lift and move the counterweight plate, thereby ensuring the stability of the crane, effectively reducing the center of gravity of the crane, increasing the stability, reducing the risk of tilting or overturning, and ensuring construction safety. Through the cooperation of the installation base, the hydraulic cylinder, the push rod and the supporting plate, the counterweight bearing plate can be supported, the local stress of the structure is reduced, which helps to reduce the risk of material fatigue and damage, reduces the risk of tilting during hoisting, and thereby improves the overall stability.

[0004] The utility model discloses still provide with the hoisting device of one kind of engineering steel beam, it is including: crane body, the rear surface fixedly connected with counterweight bearing plate of crane body, the upper surface of counterweight bearing plate is detachably connected with a plurality of counterweight plate, the lower surface of counterweight plate is provided with positioning hole, the upper surface fixedly connected with two locating blocks of counterweight plate, be provided with lifting hole on the locating block, the lower surface fixedly connected with mounting base of counterweight bearing plate, the lower surface fixedly connected with hydraulic cylinder of mounting base, the output fixedly connected with push rod of hydraulic cylinder, the one end fixedly connected with support plate of push rod away from hydraulic cylinder, through crane body, the cooperation of counterweight plate, positioning hole, locating block and lifting hole can conveniently install counterweight plate, and can ensure the stability of counterweight plate, conveniently hoist and move counterweight plate, thereby ensuring the stability of crane, can effectively reduce the gravity center of crane, increase stability, reduce the risk of inclination or overturning, ensure construction safety, through the cooperation of mounting base, hydraulic cylinder, push rod and support plate, can support counterweight bearing plate, reduce the local stress of structure, help to reduce the risk of material fatigue and damage, reduce the inclination risk in hoisting process, thereby improve the stability of whole.

[0005] According to the hoisting device of one kind of engineering steel beam, the counterweight plate is movably connected with another counterweight plate, and the positioning hole is movably connected with the locating block on the lower counterweight plate.

[0006] According to the hoisting device of one kind of engineering steel beam, the upper surface of the counterweight bearing plate is fixedly connected with the plug, and the plug is movably connected with the positioning hole on the lowermost counterweight plate.

[0007] According to the hoisting device of one kind of engineering steel beam, the crane body is specifically a crawler crane, and the crane body is specifically a 260-ton crawler crane.

[0008] According to the hoisting device of one kind of engineering steel beam, the crane body comprises a main arm, and the main arm of the crane body is specifically a 41-meter main arm.

[0009] According to the hoisting device of one kind of engineering steel beam, the two hydraulic cylinders are symmetrical to the center line of the counterweight bearing plate, and the two lifting holes are symmetrical to the center line of the counterweight bearing plate, so that the stress is uniform and the safety is improved.

[0010] According to the hoisting device of one kind of engineering steel beam, the material of the counterweight plate is steel, and the material of the locating block is alloy steel, so that the strength of the material is improved, the service life is prolonged, and the structural stability is improved.

[0011] Advantages

[0012] 1、Compared with the prior art, the hoisting device of the new type of steel beam for engineering, through the cooperation of the crane body, the counterweight plate, the positioning hole, the positioning block and the lifting hole, the counterweight plate can be conveniently installed and stabilized, the counterweight plate can be conveniently lifted and moved, the stability of the crane can be ensured, the center of gravity of the crane can be effectively reduced, the stability can be increased, the risk of tilting or overturning can be reduced, and the construction safety can be ensured.

[0013] 2、Compared with the prior art, the hoisting device of the new type of steel beam for engineering, through the cooperation of the installation base, the hydraulic cylinder, the push rod and the support plate, the counterweight bearing plate can be supported, the local stress of the structure is reduced, the risk of material fatigue and damage is reduced, the tilting risk in the hoisting process is reduced, and the overall stability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in connection with the drawings and embodiments;

[0015] Figure 1 It is the three-dimensional structure diagram of the hoisting device of the utility model steel beam for engineering;

[0016] Figure 2 It is the counterweight bearing plate connecting structure schematic view of the utility model steel beam for engineering hoisting device;

[0017] Figure 3 It is the counterweight plate bottom structure schematic view of the utility model steel beam for engineering hoisting device;

[0018] Figure 4 It is the counterweight plate top structure schematic view of the utility model steel beam for engineering hoisting device.

[0019] Legend:

[0020] 1, crane body; 2, counterweight bearing plate; 3, counterweight plate; 4, positioning hole; 5, positioning block; 6, lifting hole; 7, installation base; 8, hydraulic cylinder; 9, push rod; 10, support plate. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Reference Figure 2 , Figure 3 , Figure 4The utility model discloses an engineering steel beam hoisting device, it includes: crane body 1 is for the existing device for hoisting steel beam, crane body 1 is specifically caterpillar crane, crane body 1 is specifically 260 tons caterpillar crane, crane body 1 includes the main arm, the main arm of crane body 1 is specifically 41 meters main arm, the rear surface of crane body 1 is fixedly connected with counterweight bearing plate 2, is used for placing counterweight plate 3, the upper surface of counterweight bearing plate 2 is detachably connected with a plurality of counterweight plate 3, counterweight plate 3 is movably connected with another counterweight plate 3, the lower surface of counterweight plate 3 is provided with positioning hole 4, is used for cooperating with the positioning of locating block 5 and fixed counterweight plate 3, positioning hole 4 is movably connected with the locating block 5 on the counterweight plate 3 of lower layer, the upper surface of counterweight plate 3 is fixedly connected with two locating block 5, and locating block 5 is provided with lifting hole 6, the upper surface of counterweight bearing plate 2 is fixedly connected with the plug-in block, and the plug-in block is movably connected with the positioning hole 4 on the counterweight plate 3 of the lowermost layer, is used for fixing the counterweight plate 3 of the lowermost layer.

[0023] Specifically, first, place a counterweight plate 3 on the counterweight bearing plate 2, insert the positioning hole 4 on the counterweight plate 3 into the plug-in block on the counterweight bearing plate 2, fix the counterweight bearing plate 2 and the counterweight block 3 through the plug-in block and the positioning hole 4, then insert the positioning hole 4 of another counterweight plate 3 into the locating block 5 on the lower layer counterweight plate 3, fix and install two counterweight plates 3 through the positioning hole 4 and the locating block 5, and a plurality of counterweight plates 3 can be installed by analogy.

[0024] Referring to Figure 2 The lower surface of the counterweight bearing plate 2 is fixedly connected with the mounting base 7, the lower surface of the mounting base 7 is fixedly connected with the hydraulic cylinder 8, the output end of the hydraulic cylinder 8 is fixedly connected with the push rod 9, and the end, away from the hydraulic cylinder 8, of the push rod 9 is fixedly connected with the support plate 10.

[0025] Specifically, install the hydraulic cylinder 8 through the mounting base 7, push out the support plate 10 through the push rod 9, push the support plate 10 to the ground, and support the counterweight bearing plate 2 and the counterweight plate 3 through the support plate 10 and the push rod 9.

[0026] Specifically, the two hydraulic cylinders 8 are symmetrical to the center line of the counterweight bearing plate 2, the two lifting holes 6 are symmetrical to the center line of the counterweight bearing plate 2, the material of the counterweight plate 3 is steel, and the material of the locating block 5 is alloy steel, which can ensure uniform stress and improve stability and safety.

[0027] Working principle: in use, a plurality of counterweight plates 3 are placed on the counterweight bearing plate 2 on the crane body 1 to ensure the stability of the crane body 1, one counterweight plate 3 is placed on another counterweight plate 3 and is positioned by the positioning hole 4 and the positioning block 5 on the lower counterweight plate 3, after the counterweight plate 3 is placed, the hydraulic cylinder 8 on the base 7 pushes out the push rod 9, the push rod 9 pushes out the supporting plate 10, the counterweight bearing plate 2 is supported by the push rod 9 and the supporting plate 10 to ensure stability, and then the crane body 1 hoists the steel beam, the crane approaches the hoisting position according to the predetermined route, then the beam section on the transport vehicle is hoisted by the steel wire rope by using the large crane, load test should be done on the ground when hoisting the first piece of steel beam, static test for 10 minutes, hoisting and falling test twice, the hoisting height should not be greater than 200mm, whether the beam section is horizontal and stable is observed, the crane driver confirms that the crane mechanical performance is normal, then hoisting is started, the crane lifting point is slowly lifted, the component is prevented from rotating horizontally by using the rope guide during the lifting process, stops moving when reaching the position higher than the pier elevation or 0.5m from the position, after the component is static, the foundation condition is observed again, then the lifting mechanism is kept stationary during the rotation process, and the component is pulled by the rope guide to prevent the component from shaking, when the component is above the pier, stop moving, the component direction is preliminarily positioned by using the cable wind rope, the adjustment of the steel box girder is carried out by using the jack and the hand-operated hoist at the supporting position of each beam section, and the total station instrument is used for synchronous measurement, the beam section is slowly placed on the pier or the support, when the beam is placed in position, two groups of lifting workers are arranged at two supporting positions to assist the beam section to be accurately placed, after the beam section is placed in position, the connection between the steel wire rope and the beam section is loosened, the hook is slowly lifted, the steel wire rope is hoisted to the vertical state, and then the crane is turned.

[0028] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the ordinary skill in the art without departing from the purpose of the utility model.

Claims

1. A hoisting device for an engineered steel beam, characterized in that, Include: The crane body (1), the rear surface of the crane body (1) is fixedly connected with the counterweight bearing plate (2), the upper surface of the counterweight bearing plate (2) is detachably connected with a plurality of counterweight plates (3), the lower surface of the counterweight plate (3) is provided with a positioning hole (4), the upper surface of the counterweight plate (3) is fixedly connected with two positioning blocks (5), the positioning block (5) is provided with a lifting hole (6), the lower surface of the counterweight bearing plate (2) is fixedly connected with the mounting base (7), the lower surface of the mounting base (7) is fixedly connected with the hydraulic cylinder (8), the output end of the hydraulic cylinder (8) is fixedly connected with the push rod (9), the end of the push rod (9) away from the hydraulic cylinder (8) is fixedly connected with the support plate (10).

2. A hoisting device for an engineering steel beam according to claim 1, characterized in that, The counterweight plate (3) is movably connected with another counterweight plate (3), and the positioning hole (4) is movably connected with the positioning block (5) on the lower counterweight plate (3).

3. A hoisting device for an engineering steel beam as claimed in claim 1, wherein The upper surface of the counterweight bearing plate (2) is fixedly connected with an insertion block, and the insertion block is movably connected with the positioning hole (4) on the lowermost counterweight plate (3).

4. The hoisting device for an engineering steel beam according to claim 1, characterized in that, The crane body (1) is a crawler crane, and the crane body (1) is a 260-ton crawler crane.

5. The hoisting device for an engineering steel beam according to claim 1, characterized in that, The crane body (1) comprises a main arm, and the main arm of the crane body (1) is a 41-meter main arm.

6. A hoisting device for an engineering steel beam as claimed in claim 1, characterized in that, Two hydraulic cylinders (8) are symmetrical to the center line of the counterweight bearing plate (2), and two lifting holes (6) are symmetrical to the center line of the counterweight bearing plate (2).

7. A hoisting device for an engineering steel beam as claimed in claim 1, characterized in that, The material of the counterweight plate (3) is steel, and the material of the positioning block (5) is alloy steel.

Images