Overhead hoisting overturn-preventing device for offshore vertical shaft
By designing the connecting structure of reinforcement frames and clamps in the offshore shaft, the problem of lifting equipment being easily overturned when lifting large-weight equipment is lifted, and stable support and safe operation of the hoisting machine are achieved.
Patent Information
- Application Number
- CN202421989438.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-16
AI Technical Summary
When lifting heavy equipment in offshore shafts, the lifting equipment is prone to overturn, affecting the safety performance of lifting operations, mainly because the thickness of the well wall limits the support area of the lifting equipment.
An anti-capsulse device on the shaft of the offshore shaft is designed, including a shaft, a hoisting machine and a reinforcement frame. Through the connection between the reinforcement frame and the clamp, the working position of the clamp on the shaft is adjusted, the contact area between the clamp and the shaft is increased, and the clamp is fixed by bolts to ensure the stable support of the reinforcement frame.
By increasing the contact area and fixed connection between the reinforcement frame and the shaft, the stability and support effect of the hoisting machine on the shaft are significantly improved, preventing the hoisting equipment from overturning, and improving the safety performance of the hoisting operation.
Smart Images
Figure CN222892932U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of well hoisting, in particular to an offshore vertical well hoisting anti-overturning device. Background Art
[0002] Hoisting refers to the general term for the installation and positioning of equipment by cranes or lifting mechanisms. Well hoisting refers to the process of hoisting operations in offshore shafts. The hoisting equipment is placed on the top surface of the shaft, and the equipment to be hoisted is hoisted by ropes and hooks. During the hoisting process, the supporting area of the hoisting equipment is limited due to the thickness of the shaft wall. When hoisting heavy equipment, the hoisting equipment is prone to overturning in the shaft, affecting the safety performance of the hoisting operation. Utility Model Content
[0003] The purpose of the utility model is to provide an anti-overturning device for hoisting on an offshore vertical shaft, so as to solve the problem proposed in the above-mentioned background technology that the supporting area of the hoisting equipment is limited due to the thickness of the shaft wall, and when hoisting heavy equipment, the hoisting equipment is prone to overturning in the vertical shaft, thereby affecting the safety performance of the hoisting operation.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an offshore vertical shaft hoisting anti-overturning device, comprising a vertical shaft, a hoisting machine and a reinforcement frame, the surface of the hoisting machine is provided with a hoisting arm, the surface of the hoisting arm is provided with a rope, the hoisting arm is hoisted with a hoisting member through the rope, the reinforcement frame is abutted and connected to the top surface of the vertical shaft, the surface of the reinforcement frame is fixedly connected with a push rod, the surface of the push rod is penetrated and connected with a fixed block, the surface of the reinforcement frame is penetrated and connected with an adjusting rod, the surface of the reinforcement frame is provided with a slide groove, and the inner side of the slide groove slides It is connected with an adjusting block, the surface of the adjusting block is fixedly connected with a supporting rod, the surface of the supporting rod is fixedly connected with a pressing block, the surface of the reinforcement frame is provided with a limiting groove, the side of the reinforcement frame away from the limiting groove is provided with an adjusting groove, the surface of the adjusting groove is penetrated by a screw, and the surface of the screw is fixedly connected with a clamping plate, the surface of the clamping plate is penetrated by a control rod, the surface of the clamping plate is fixedly connected with a fixing plate, the surface of the fixing plate is provided with a control groove, the inner side of the control groove is slidably connected with a moving block, and the surface of the moving block is fixedly connected with a resist block.
[0005] Preferably, the reinforcement frames are in two groups and distributed on both sides of the hoisting machine. The cross-section of the reinforcement frames is in an "L" shape, and the fixing blocks penetrate the abutment rod and are abutted and connected with the surface of the hoisting machine.
[0006] Preferably, the adjusting rod passes through the slide slot and is rotatably connected to the adjusting block, the supporting rods are in three groups and are fixedly connected to the pressing block, a sliding block is fixedly connected to one side of the pressing block close to the limiting slot, and the pressing block is slidably connected to the limiting slot via the sliding block.
[0007] Preferably, the regulating groove is in a square groove shape, the clamping plate is slidably connected to the reinforcement frame through a screw rod and the regulating groove, a screw sleeve is sleeved on one end of the screw rod away from the clamping plate, and the screw sleeve is embedded in the regulating groove through the screw rod.
[0008] Preferably, the cross section of the clamping plate is in an "L" shape, the cross section of the abutting block is in an arc shape, and the control rod penetrates the clamping plate and the abutting block through a thread to be abutted and connected.
[0009] Preferably, the cross section of the control groove is in a "T" shape, and the stop block is slidably connected to the fixed plate via the moving block and the control groove.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. Through the connection between the splint and the screw, the screw and the screw sleeve change the action position of the splint on the reinforcement frame under the action of the regulating groove. Through the abutment contact between the splint and the shaft, under the abutment connection of the control rod and the abutment block, the action position of the abutment block on the splint is changed through the sliding connection of the moving block and the control groove, the contact area between the splint and the shaft is increased, a through hole is opened on the splint, and the splint is connected to the shaft by bolts to complete the support operation of the action position of the reinforcement frame on the shaft, thereby achieving the support effect of the use position of the hoisting machine on the shaft.
[0012] 2. Through the connection between the reinforcement frame and the support rod, the connection between the support rod and the fixed block, and the abutment connection between the fixed block and the hoisting machine, the connection and support effect of the reinforcement frame on the hoisting machine is improved. Under the rotation connection between the adjusting rod and the adjusting block, through the connection between the support rod and the pressure block, and the sliding connection between the pressure block and the limit groove, the pressure block abuts and supports the hoisting machine, completing the reinforcement operation of the hoisting machine and improving the stability and effect of the hoisting machine in the shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the engineering of the utility model;
[0014] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model;
[0015] Figure 3 It is a partial three-dimensional schematic diagram of the structure of the utility model;
[0016] Figure 4 It is a three-dimensional schematic diagram of the structure of the reinforcement frame of the utility model;
[0017] Figure 5 This is a partial side perspective schematic diagram of the structure of the reinforcement frame of the utility model
[0018] Figure 6It is a partially exploded three-dimensional schematic diagram of the structure of the splint of the utility model.
[0019] In the figure: 1. shaft; 2. hoisting machine; 3. hoisting arm; 4. hoisting parts; 5. reinforcement frame; 6. fixed block; 61. push rod; 7. adjusting rod; 71. adjusting block; 72. supporting rod; 73. pressing block; 74. limiting groove; 8. regulating groove; 9. clamping plate; 91. control rod; 92. push block; 93. fixed plate; 94. control groove; 95. moving block. DETAILED DESCRIPTION
[0020] See also Figure 1-6 , an embodiment provided by the utility model:
[0021] An offshore vertical shaft hoisting anti-overturning device comprises a vertical shaft 1, a hoisting machine 2 and a reinforcement frame 5. A hoisting arm 3 is arranged on the surface of the hoisting machine 2, a rope is arranged on the surface of the hoisting arm 3, a hoisting member 4 is hoisted by the rope on the hoisting arm 3, the reinforcement frame 5 is abutted and connected to the top surface of the vertical shaft 1, a stop rod 61 is fixedly connected to the surface of the reinforcement frame 5, a fixed block 6 is penetrated and connected to the surface of the stop rod 61, an adjusting rod 7 is penetrated and connected to the surface of the reinforcement frame 5, a sliding groove is provided on the surface of the reinforcement frame 5, and an adjusting block 71 is slidably connected to the inner side of the sliding groove, a support rod 72 is fixedly connected to the surface of the adjusting block 71, a pressure block 73 is fixedly connected to the surface of the support rod 72, a limiting groove 74 is provided on the surface of the reinforcement frame 5, and a regulating groove 8 is provided on the side of the reinforcement frame 5 away from the limiting groove 74. A screw is provided through the surface of the regulating groove 8, and a clamping plate 9 is fixedly connected to the surface of the screw, a control rod 91 is connected through the surface of the clamping plate 9, a fixed plate 93 is fixedly connected to the surface of the clamping plate 9, a control groove 94 is provided on the surface of the fixed plate 93, a moving block 95 is slidably connected to the inner side of the control groove 94, and a stop block 92 is fixedly connected to the surface of the moving block 95. Through the connection between the hoisting machine 2 and the hoisting arm 3, under the action of the rope on the hoisting arm 3, the hoisting operation of the hoisting component 4 in the shaft 1 is realized, and the connection between the reinforcement frame 5 and the regulating groove 8 and the connection between the clamping plate 9 and the screw is achieved to achieve the support and control effect of the connection position of the clamping plate 9 on the shaft 1. The clamping plate 9 is connected to the shaft 1 by bolts, so as to improve the support and stability performance of the clamping plate 9 on the reinforcement frame 5 on the shaft 1.
[0022] Furthermore, the reinforcement frame 5 is distributed in two groups on both sides of the hoisting machine 2. The cross-section of the reinforcement frame 5 is in an "L" shape. The fixed block 6 passes through the support rod 61 and is abutted against the surface of the hoisting machine 2. Through the action of the reinforcement frame 5, the support effect of the hoisting machine 2 on the shaft 1 is achieved. Under the connection between the reinforcement frame 5 and the support rod 61, through the connection between the support rod 61 and the fixed block 6, the support operation of the hoisting machine 2 is completed.
[0023] The cam 73 is in the form of a plurality of locking plates 76 which are respectively provided with a pair of locking plates 74 and a plurality of locking plates 75, wherein the plurality of locking plates 76 are respectively provided with a pair of locking plates 74 and a plurality of locking plates 75 are provided.
[0024] Furthermore, the regulating groove 8 is in the shape of a square groove, and the splint 9 is slidably connected to the reinforcement frame 5 through the screw and the regulating groove 8. A threaded sleeve is sleeved on the end of the screw away from the splint 9, and the threaded sleeve is embedded in the regulating groove 8 through the screw. Through the connection between the regulating groove 8 and the reinforcement frame 5, under the action of the regulating groove 8, the regulating effect of the screw threaded sleeve on the splint 9 is achieved, thereby achieving the regulating effect of the connection position of the splint 9 on the shaft 1.
[0025] Furthermore, the cross-section of the splint 9 is in an "L" shape, the cross-section of the stop block 92 is in an arc shape, the control rod 91 penetrates the splint 9 and the stop block 92 through a thread and is abutted against each other. Through the connection between the splint 9 and the control rod 91, and under the abutment connection between the control rod 91 and the stop block 92, the connection position of the stop block 92 on the splint 9 is regulated, the contact area between the splint 9 and the shaft 1 is increased, and the installation support stability performance of the splint 9 on the shaft 1 is improved.
[0026] Furthermore, the cross-section of the control groove 94 is in a "T" shape, and the stop block 92 is slidably connected to the fixed plate 93 through the movable block 95 and the control groove 94. Through the connection between the fixed plate 93 and the splint 9, and under the connection between the fixed plate 93 and the control groove 94, the sliding connection between the movable block 95 and the control groove 94 achieves the effect of limiting the sliding angle of the stop block 92 on the fixed plate 93, thereby achieving a stable effect on the use of the splint 9.
[0027] Working principle: When the hoisting machine 2 is supported and used, the screw sleeve on the screw is adjusted through the connection between the reinforcement frame 5 and the splint 9, under the action of the regulating groove 8, so that the working position of the splint 9 is changed, and the position of the butt block 92 on the splint 9 is changed through the sliding connection between the control groove 94 and the moving block 95. When the splint 9 and the shaft 1 are in contact, holes are drilled on the splint 9 and bolts are installed to fix the splint 9 and the shaft 1. Then the butt rod 61 is rotated to make the butt rod 61 and the hoisting machine 2 butt together, so as to achieve the supporting effect on the hoisting machine 2. Under the connection between the adjusting rod 7 and the adjusting block 71, the pressure block 73 is connected through the connection between the support rod 72 and the pressure block 73, so as to further enhance the stability of the hoisting machine 2 installed and used on the shaft 1, so as to achieve the effect of anti-overturning of the hoisting.
Claims
1. An offshore vertical shaft hoisting anti-overturning device, comprising a vertical shaft, a hoisting machine and a reinforcement frame, characterized in that: The top of the lifting paddle shifters is a bottom surface of the lifting paddle shifters, and the bottom surface of the lifting paddle shifters is a bottom surface of the lifting paddle shifters.
2. The anti-overturning device for hoisting on an offshore vertical shaft according to claim 1, characterized in that: The reinforcement frames are divided into two groups and distributed on both sides of the hoisting machine. The cross section of the reinforcement frames is in an "L" shape. The fixing blocks penetrate the abutment rod and are abutted and connected with the surface of the hoisting machine.
3. The anti-overturning device for hoisting on an offshore vertical shaft according to claim 1, characterized in that: The adjusting rod passes through the slide slot and is rotatably connected to the adjusting block. The supporting rods are in three groups and are fixedly connected to the pressing block. A sliding block is fixedly connected to one side of the pressing block close to the limiting slot, and the pressing block is slidably connected to the limiting slot through the sliding block.
4. The anti-overturning device for hoisting on an offshore vertical shaft according to claim 1, characterized in that: The regulating groove is in a square groove shape, the clamping plate is slidably connected with the reinforcement frame through a screw rod and the regulating groove, a screw sleeve is sleeved on one end of the screw rod away from the clamping plate, and the screw sleeve is embedded in the regulating groove through the screw rod.
5. The anti-overturning device for hoisting on an offshore vertical shaft according to claim 1, characterized in that: The cross section of the clamping plate is in an "L" shape, the cross section of the abutting block is in an arc shape, and the control rod penetrates the clamping plate and the abutting block through a thread to be abutted and connected.
6. The anti-overturning device for hoisting on an offshore vertical shaft according to claim 1, characterized in that: The cross section of the control groove is in a "T" shape, and the stop block is slidably connected to the fixed plate through the moving block and the control groove.