Anti-falling protection structure for offshore shield hoisting

Abstract

The utility model relates to the technical field of offshore hoisting, in particular to an anti-falling protection structure for offshore shield hoisting, which comprises a receiving well and a protection net rack, the surface of the protection net rack is fixedly connected with a connecting block, the outer surface of the receiving well is fixedly connected with a screw, the outer surface of the screw is sleeved with a screw sleeve, and the screw sleeve is fixedly connected with the receiving well. A fixing block is fixedly connected to the surface of the protective net frame, a limiting groove is formed in the surface of the fixing block, an adjusting rod is slidably connected to the inner side of the limiting groove, and the outer surface of the adjusting rod is sleeved with a screw ring. Through the connection of the screw rods and the screw sleeves, the protective net racks are connected and supported on a receiving well, under the action of the protective net racks, parts of a shield tunneling machine are prevented from directly falling into the sea, the protective effect on hoisting of the shield tunneling machine is improved, and under the insertion connection of the insertion rods and the insertion grooves, the connection stability performance between the protective net racks is improved; and therefore, the stable performance of mounting and using the protective net rack on the receiving well is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of offshore hoisting, in particular to an offshore shield hoisting anti-falling protective structure. Background Art

[0002] When receiving the shield machine at sea, it needs to be disassembled into sections and then hoisted out of the receiving well onto the transport ship. Since there is a certain distance between the transport ship and the receiving well, when the hoisted shield machine components move in the air, they will be affected by wind and waves, and the hooks and ropes on the boom will shake, which will cause friction and collision between the shield machine components, resulting in the risk of shield machine parts falling into the sea. Utility Model Content

[0003] The purpose of the utility model is to provide an anti-falling protection structure for offshore shield hoisting, so as to solve the problem proposed in the above-mentioned background technology that when the hoisted shield machine components are moved in the air, they are affected by wind and waves, the hooks and ropes on the boom will shake, and then friction and collision will occur between the shield machine components, resulting in the risk of shield machine components falling into the sea.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an offshore shield hoisting anti-falling protection structure, comprising a receiving well and a protection grid, the surface of the protection grid is fixedly connected with a connecting block, the outer surface of the receiving well is fixedly connected with a screw, the outer surface of the screw is sleeved with a screw sleeve, the surface of the protection grid is fixedly connected with a fixing block, the surface of the fixing block is provided with a limiting groove, the inner side of the limiting groove is slidably connected with an adjusting rod, the outer surface of the adjusting rod is sleeved with a screw ring, the surface of the adjusting rod is fixedly connected with an insert rod, and the surface of the protection grid is provided with an adjustment groove and a slot.

[0005] Preferably, the protection grid is fan-shaped, the surface of the protection grid is arc-shaped, and the protection grid is distributed in four groups on the outer surface of the receiving well.

[0006] Preferably, the connecting block is in a plate shape and acts on a side of the protection grid close to the receiving well, and the protection grid is connected to the outer surface of the receiving well through the connecting block.

[0007] Preferably, the screw rods are in two groups and penetrate the surface of the connecting block, the screw sleeves are connected by abutting the screw rods and the connecting block, and the screw sleeves and the screw rods are connected in opposition.

[0008] Preferably, a side of the fixing block close to the protective grid is in an arc shape, and a side of the fixing block away from the protective grid is a plane.

[0009] Preferably, the screw ring is connected by abutting against an adjusting rod and a fixing block, the adjusting groove is in the shape of a cylindrical groove, and the slot and the adjusting groove have the same shape.

[0010] Preferably, the limiting groove passes through the surfaces of the fixing block and the adjusting groove, the inserting rod is slidably connected to the adjusting groove, and the inserting rod is plug-in-connected to the slot through the adjusting rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Through the connection between the protective grid and the connecting block, the connection between the receiving well and the screw, and the connection between the screw and the connecting block, the connection support of the protective grid on the receiving well is achieved through the connection between the screw and the screw sleeve. Under the action of the protective grid, the shield machine parts are prevented from falling directly into the sea, thereby improving the protection effect of the shield machine hoisting.

[0013] 2. Through the connection between the protective grid and the fixed block, under the connection between the limit slot and the fixed block, through the sliding connection between the adjusting rod and the limit slot, and the connection between the adjusting rod and the plug rod, the effect of regulating the position of the plug rod in the adjusting slot is achieved. Under the plug-in connection between the plug rod and the slot, the connection stability between the protective grids is improved, thereby achieving the stability of the protective grid when installed and used on the receiving well. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a partial three-dimensional schematic diagram of the structure of the utility model;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0018] Figure 5 It is a partial three-dimensional explosion schematic diagram of the connection structure of the protective grid of the utility model.

[0019] In the figure: 1. Receiving well; 2. Protective grid; 3. Connecting block; 4. Screw; 5. Screw sleeve; 6. Fixing block; 7. Adjusting rod; 8. Screw ring; 9. Insert rod; 10. Adjusting slot; 11. Limiting slot; 12. Slot. DETAILED DESCRIPTION

[0020] See also Figure 1-5 , an embodiment provided by the utility model:

[0021] A shield hoisting anti-falling protection structure at sea comprises a receiving well 1 and a protection grid 2, a connecting block 3 is fixedly connected to the surface of the protection grid 2, a screw 4 is fixedly connected to the outer surface of the receiving well 1, a screw sleeve 5 is sleeved on the outer surface of the screw 4, a fixing block 6 is fixedly connected to the surface of the protection grid 2, a limiting groove 11 is provided on the surface of the fixing block 6, an adjusting rod 7 is slidably connected to the inner side of the limiting groove 11, a screw ring 8 is sleeved on the outer surface of the adjusting rod 7, an inserting rod 9 is fixedly connected to the surface of the adjusting rod 7, an adjusting groove 10 and a slot 12 are provided on the surface of the protection grid 2, and the installation operation of the protection grid 2 at the action position on the receiving well 1 is realized through the connection between the protection grid 2 and the connecting block 3, the connection between the receiving well 1 and the screw 4, and under the connection between the screw 4 and the connecting block 3, through the action of the screw sleeve 5.

[0022] Furthermore, the protective grid 2 is fan-shaped, the surface of the protective grid 2 is arc-shaped, and the protective grid 2 is distributed in four groups on the outer surface of the receiving shaft 1. Through the connection between the protective grid 2 and the receiving shaft 1, under the action of the protective grid 2, the effect of catching the parts dropped during the hoisting of the shield machine is achieved.

[0023] Furthermore, the connecting block 3 is in a plate shape and acts on one side of the protection grid 2 close to the receiving well 1. The protection grid 2 is connected to the outer surface of the receiving well 1 through the connecting block 3. Through the connection between the protection grid 2 and the connecting block 3, under the action of the connecting block 3, the position support effect of the protection grid 2 on the receiving well 1 is achieved.

[0024] Furthermore, the screw rods 4 are in two groups penetrating the surface of the connecting block 3, the screw sleeves 5 are connected by abutting the screw rods 4 and the connecting block 3, the screw sleeves 5 and the screw rods 4 are connected oppositely, and through the penetrating connection between the screw rods 4 and the connecting block 3, under the connection between the screw rods 4 and the screw sleeves 5, a supporting effect on the installation position of the connecting block 3 on the receiving well 1 is achieved.

[0025] Furthermore, a side of the fixed block 6 close to the protective grid 2 is in an arc shape, and a side of the fixed block 6 away from the protective grid 2 is a plane. Through the connection between the protective grid 2 and the fixed block 6, under the action of the fixed block 6, it is convenient to control the position of the adjustment rod 7 on the protective grid 2.

[0026] Furthermore, the screw ring 8 is connected by abutting the adjusting rod 7 and the fixed block 6, the adjusting groove 10 is in the shape of a cylindrical groove, the slot 12 is consistent in shape with the adjusting groove 10, and through the connection between the adjusting rod 7 and the screw ring 8, and the connection between the adjusting rod 7 and the insert rod 9, under the action of the adjusting rod 7, the effect of regulating the position of the insert rod 9 in the adjusting groove 10 is achieved.

[0027] Furthermore, the limit groove 11 passes through the surface of the fixed block 6 and the adjustment groove 10, the insertion rod 9 and the adjustment groove 10 are slidably connected, and the insertion rod 9 is plugged into the slot 12 through the adjustment rod 7. Under the sliding connection between the insertion rod 9 and the adjustment groove 10, the insertion connection between the insertion rod 9 and the slot 12 improves the connection stability performance between the protective grid 2.

[0028] Working principle: When installing the protection grid 2, insert the screw 4 into the connecting block 3, and rotate the screw sleeve 5 to make the connecting block 3 and the receiving well 1 fit tightly, thereby fixing the position of the protection grid 2 on the receiving well 1, which can effectively prevent the parts from falling into the sea when the shield machine is hoisted, thereby achieving the effect of hoisting protection. When reinforcing the connection between the protection grids 2, rotate the screw ring 8 to make the adjusting rod 7 slide in the limiting groove 11, and through the connection between the adjusting rod 7 and the plug rod 9, the position of the plug rod 9 in the adjusting groove 10 is changed, so as to achieve the effect of inserting the position of the plug rod 9 in the slot 12, thereby realizing the reinforced connection between the protection grids 2. When disassembling the protection grids 2, the reverse operation can be performed, thereby improving the use range and performance of the protection grid 2.

Claims

1. An offshore shield hoisting anti-falling protection structure, comprising a receiving well and a protection grid, characterized in that: A connecting block is fixedly connected to the surface of the protective grid, a screw is fixedly connected to the outer surface of the receiving well, a screw sleeve is sleeved on the outer surface of the screw, a fixed block is fixedly connected to the surface of the protective grid, a limiting groove is provided on the surface of the fixed block, an adjusting rod is slidably connected to the inner side of the limiting groove, a screw ring is sleeved on the outer surface of the adjusting rod, an insert rod is fixedly connected to the surface of the adjusting rod, and an adjusting groove and a slot are provided on the surface of the protective grid.

2. The offshore shield hoisting anti-falling protection structure according to claim 1 is characterized by: The protection grid is fan-shaped, the surface of the protection grid is arc-shaped, and the protection grid is distributed in four groups on the outer surface of the receiving well.

3. The offshore shield hoisting anti-falling protection structure according to claim 1 is characterized by: The connecting block is in the shape of a plate and acts on a side of the protection grid close to the receiving well. The protection grid is abutted and connected with the outer surface of the receiving well through the connecting block.

4. The offshore shield hoisting anti-falling protection structure according to claim 1 is characterized by: The screw rods are in two groups and penetrate the surface of the connection block. The screw sleeves are connected by abutting the screw rods and the connection block. The screw sleeves and the screw rods are connected in opposition.

5. The offshore shield hoisting anti-falling protection structure according to claim 1 is characterized by: The side of the fixing block close to the protection grid is in an arc shape, and the side of the fixing block away from the protection grid is a plane.

6. The offshore shield hoisting anti-falling protection structure according to claim 1 is characterized by: The screw ring is connected by abutting against the adjusting rod and the fixing block, the adjusting groove is in the shape of a cylindrical groove, and the slot and the adjusting groove have the same shape.

7. The offshore shield hoisting anti-falling protection structure according to claim 1 is characterized by: The limiting groove passes through the surfaces of the fixing block and the adjusting groove, the inserting rod is slidably connected with the adjusting groove, and the inserting rod is plug-in-connected with the slot through the adjusting rod.

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