Balance beam tool for hoisting large cylindrical container

Abstract

The utility model belongs to the technical field of nuclear power overhaul, and particularly relates to a balance beam tool for hoisting a large cylindrical container. The two connecting hook riggings are connected with the bearing beam and installed between the limiting baffle A and the limiting baffle B and between the limiting baffle A and the limiting baffle C. The limiting baffle A, the limiting baffle B and the limiting baffle C are welded to the bearing beam 1. The connecting hook rigging is in contact with the circular buffer block and the semicircular buffer block; the two equipment connecting riggings are installed between the two sets of square baffles respectively, and the square baffles are welded to the bearing beam. The equipment connecting rigging is in contact with the circular buffer block and the semicircular buffer block; the circular buffer block and the semicircular buffer block are welded with the bearing beam; the transverse check block is welded to the bearing beam to limit the equipment rigging to move towards the center of the bearing beam. The problems that in the hoisting process of the large cylindrical container, stress of a sling is uneven, relative sliding exists, and equipment cannot be kept balanced are solved, and therefore safe hoisting of the equipment is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of nuclear power maintenance, and particularly relates to a balance beam tool for hoisting a large cylindrical container. BACKGROUND

[0002] The high-pressure heater of the A column of the No. 1 unit of the Tianwan nuclear power plant needs to be replaced as a whole. The total weight of the high-pressure heater is about 107 tons, the diameter of the cylinder is about 2690 mm, the height is about 11090 mm, and there are many interference positions around the high-pressure heater, so hoisting is difficult. Because the high-pressure heater is heavy and large in size, and is limited by the space of the plant, the following problems exist in the use of conventional sling hoisting methods: ① Because of the angle of the sling during hoisting, the length of the sling needs to be longer under the same height condition; ② Because the force on the sling may be uneven, there is a risk of damage to the sling or the equipment; ③ During hoisting, the sling may slide, which cannot guarantee the balance of the hoisted equipment and is not conducive to the installation of the equipment; ④ Because the sling deviates in the vertical direction, the equipment will bear a large horizontal component force, which will adversely affect the equipment. SUMMARY

[0003] The utility model discloses a purpose of providing a kind of balance beam tool for hoisting large cylindrical container, solve large cylindrical container hoisting process sling uneven force, there is relative sliding and equipment cannot keep balance etc.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] A kind of balance beam tool for hoisting large cylindrical container, 2 continuous hooking harnesses are connected with bearing beam, and are respectively installed between limiting baffle A and limiting baffle B and limiting baffle A and limiting baffle C, limiting plate A, limiting baffle B, limiting baffle C are welded with bearing beam 1;Continuous hooking harness is in contact with circular buffer block and semicircular buffer block;2 continuous equipment harnesses are respectively installed between 2 groups of square baffle, and square baffle is welded with bearing beam;Continuous equipment harness is in contact with circular buffer block and semicircular buffer block;Circular buffer block, semicircular buffer block are welded with bearing beam;Transverse stopper is welded with bearing beam to limit continuous equipment harness to move to the center of bearing beam.

[0006] Limiting bolt, limiting nut and bolt washer are used to fix continuous hooking harness.

[0007] Continuous hooking harness is connected with crane.

[0008] Limiting bolt, limiting nut and bolt washer are used to fix continuous equipment harness.

[0009] Continuous equipment harness is connected with equipment lifting lug.

[0010] The load-bearing beam is an H-shaped steel.

[0011] The reinforcing plates are welded with the load-bearing beam.

[0012] The rib plates are welded with the load-bearing beam as the supporting plates of the square baffle and the transverse stopper.

[0013] The load-bearing beam is provided with end reinforcing plates.

[0014] The utility model discloses the beneficial effects obtained are:

[0015] In order to guarantee the feasibility, reliability and safety of equipment hoisting, the utility model designs a kind of balance beam tool for large cylindrical container hoisting.The tool can shorten the length of large container hoisting sling, avoid the adverse effects of uneven force, equipment imbalance and horizontal component force, in addition, by the design of stopper, the sliding in hoisting process is prevented.Balance beam can guarantee that the sling connected with equipment is always in vertical state, avoid sling transverse tension, can effectively reduce the load of sling;The application of balance beam can effectively reduce the length of sling, thereby reducing the sway and unstable factors of equipment in hoisting process;The length of equipment sling is consistent at the lower end of balance beam, i.e., equipment balance is guaranteed, and equipment installation is facilitated;By the design of baffle, the load-bearing beam is taken as hoisting load-bearing piece, and conventional lug design structure is cancelled, so as to reduce the load-bearing weak position of entire balance beam;The design of balance beam limiting bolt and baffle effectively avoids displacement of sling in hoisting process, and brings uncontrollable factors to hoisting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of balance beam tool for large cylindrical container hoisting schematic diagram;

[0017] Figure 2 It is a kind of balance beam tool for large cylindrical container hoisting sectional view schematic diagram. DETAILED DESCRIPTION

[0018] The utility model will be described in detail in connection with the drawings and specific embodiment.

[0019] A kind of balance beam tool for large cylindrical container hoisting includes 1 load-bearing beam 1, 2 reinforcing plates 2, 4 square baffles 3, 4 limiting baffles A 4, 20 rib plates 5, 8 limiting bolts 6, 4 circular buffer blocks 7, 2 transverse stoppers 8, 32 limiting nuts 9, 4 semicircular buffer blocks 10, 2 end reinforcing plates 11, 16 bolt washers 12, 2 limiting baffles B 13, 2 limiting baffles C 14, 2 continuous hooking sling 15, 2 continuous equipment sling 16.

[0020] The load-bearing beam 1 is an H-shaped steel, mainly as a load-bearing member, supporting the lifting weight of the equipment, resisting overall deformation; the reinforcing plate 2 is an auxiliary structural member of the load-bearing beam 1, which can increase the overall stiffness of the load-bearing beam 1 and reduce the deformation, and is welded with the load-bearing beam 1; the square baffle 3 is mainly used to limit the horizontal displacement of the connecting hook rigging 15, prevent the uneven force of the rigging after the movement of the connecting hook rigging 15, and cause the damage of the rigging / equipment, and is welded with the load-bearing beam 1; the limiting plate A4 and the limiting baffle B13, the limiting plate A4 and the limiting baffle C14 are combined to limit the horizontal displacement of the connecting equipment rigging 16, prevent the uneven force of the rigging after the movement of the connecting equipment rigging 16, and cause the damage of the rigging / equipment, and is welded with the load-bearing beam 1; the rib plate 5 is mainly used as a support plate of the square baffle 3 and the transverse stopper 8, which can reduce the deformation of the baffle during hoisting, and is welded with the load-bearing beam 1; the circular buffer block 7 / half-circular buffer block 10 is mainly used for buffering and protecting the rigging 15, 16, preventing the damage of the rigging by the edges of the load-bearing beam 1, and causing the unsafe influence of the equipment hoisting, and is welded with the load-bearing beam 1; the transverse stopper 8 is mainly used to limit the movement of the connecting equipment rigging 16 to the center of the load-bearing beam 1, causing the uneven force of the rigging and the damage of the rigging / equipment, and is welded with the load-bearing beam 1; the limiting bolt 9 is mainly used to fix the rigging, prevent the rigging 15, 16 from escaping from the limiting baffle A4, 13, 14 and the square baffle 3 in the slack state, and is fixed on the limiting baffle 4, 13, 14 and the square baffle 3 through the limiting nut 9 and the bolt gasket 12; the end reinforcing plate 11 is mainly used to increase the stiffness of the end of the load-bearing beam 1, and in addition, can prevent foreign matter / water vapor from entering the cavity of the load-bearing beam 1 and causing corrosion of the component; the connecting hook rigging 15 is mainly used to connect the load-bearing beam 1 with the main hook of the crane; the connecting equipment rigging 16 is mainly used to connect the load-bearing beam 1 with the equipment.

[0021] Two connecting hook riggings 15 are connected with the load-bearing beam 1, respectively installed between the limiting baffle A4 and the limiting baffle B13 and the limiting baffle A4 and the limiting baffle C14, ensuring that the connecting hook rigging 15 is in contact with the circular buffer block 7 and the half-circular buffer block 10; the connecting hook rigging 15 is fixed by using the limiting bolt 6, the limiting nut 9 and the bolt gasket 12; the other end of the connecting hook rigging 15 is connected with the crane; two connecting equipment riggings 16 are respectively installed between two groups of square baffles 3, ensuring that the connecting equipment rigging 16 is in contact with the circular buffer block 7 and the half-circular buffer block 10; the connecting equipment rigging 16 is fixed by using the limiting bolt 6, the limiting nut 9 and the bolt gasket 12; the other end of the connecting equipment rigging 16 is connected with the equipment lifting lug.

Claims

1. A spreader beam tool for hoisting large cylindrical vessels, characterized by: Two connecting hook rigging are connected with the load bearing beam, and are respectively installed between the limiting baffle A and the limiting baffle B and between the limiting baffle A and the limiting baffle C, the limiting baffle A, the limiting baffle B, the limiting baffle C and the load bearing beam 1 are welded; the connecting hook rigging is in contact with the circular buffer block and the semicircular buffer block; two connecting equipment rigging are respectively installed between two groups of square baffles, the square baffles and the load bearing beam are welded; the connecting equipment rigging is in contact with the circular buffer block and the semicircular buffer block; the circular buffer block and the semicircular buffer block are welded with the load bearing beam; the transverse stop block and the load bearing beam are welded to limit the movement of the connecting equipment rigging to the center of the load bearing beam.

2. The beam tool for hoisting large cylindrical vessels according to claim 1, characterized in that: The connecting hook rigging is fixed by using the limiting bolt, the limiting nut and the bolt gasket.

3. The beam tool for hoisting large cylindrical vessels according to claim 1, characterized in that: The connecting hook rigging is connected with the crane.

4. The beam tool for hoisting large cylindrical vessels of claim 1, wherein: The connecting equipment rigging is fixed by using the limiting bolt, the limiting nut and the bolt gasket.

5. The beam tool for hoisting large cylindrical vessels of claim 1, wherein: The connecting equipment rigging is connected with the equipment lifting lug.

6. The beam tool for hoisting large cylindrical vessels of claim 1, wherein: The load bearing beam is H-shaped steel.

7. The beam tool for hoisting large cylindrical vessels of claim 1, wherein: The reinforcing plate is welded with the load bearing beam.

8. The beam tool for hoisting large cylindrical vessels of claim 1, wherein: The rib plate is welded with the load bearing beam as the supporting plate of the square baffle and the transverse stop block.

9. The beam tool for hoisting large cylindrical vessels of claim 1, wherein: The load bearing beam is provided with an end reinforcing plate.

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