Auxiliary tool for unfolding foldable section of upright sleeving derrick
By using the deployment auxiliary tooling of the frame, wheels, wire ropes and power mechanism, the problems of difficult folding and unfolding operations and center of gravity impact of the derrick are solved, and safe and efficient modular transportation and installation of the derrick are achieved.
Patent Information
- Application Number
- CN202422909352.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The existing derrick folding and unfolding method is difficult for crane operators to operate, and there is a problem of center of gravity impact, which affects transportation efficiency and safety.
The derrick is folded and unfolded in a modular manner by using auxiliary tooling including a frame, pulleys, wire ropes and a power mechanism. The coordination of the wire ropes and the power mechanism reduces the use of cranes, and reduces operational difficulty and impact risks.
The safety and efficiency of folding and unfolding the derrick are improved, the installation difficulty and operation cost are reduced, and the need for crane use is reduced.
Smart Images

Figure CN223359038U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of oil and gas drilling, in particular to an auxiliary tool for unfolding a foldable section of an upright set derrick. Background Art
[0002] In the field of oil and gas drilling, vertical lifting derricks, compared with rotary K-type derricks, have a smaller footprint, a more compact structure, and lower transportation size and cost. They are especially suitable for mountainous environments with limited size, hilly areas with complex terrain, and densely populated areas with high land use costs.
[0003] The modular design, modular transportation, and key components of the deployment auxiliary tooling for the foldable sections of the upright derrick set, as well as the rapid assembly and disassembly of modules, are of great significance for reducing the number of derrick transport modules and improving the efficiency of integrated transportation and disassembly and installation.
[0004] The existing method of folding and unfolding a single piece of the derrick is to use a crane to fold or unfold it. This folding and unfolding method is difficult for the crane operator to operate, and there will be some impact when the derrick passes the center of gravity. Utility Model Content
[0005] In order to solve the above problems, the utility model provides an auxiliary tool for unfolding the foldable section of an upright set derrick, which is simple, safe and efficient to operate.
[0006] The technical solution adopted by the utility model is: an auxiliary tool for unfolding the foldable section of an upright set derrick, characterized in that it includes a frame body, a first wheel, a second wheel, a wire rope and a power mechanism, the power mechanism, the first wheel and the second wheel are fixedly arranged on the outside of the frame body, and the power mechanism is arranged between the first wheel and the second wheel; the wire rope is wound on the power mechanism, one end of the wire rope passes around the first wheel and is fixedly connected to one end of the folding section of the derrick, and the other end passes around the second wheel and is fixedly connected to the other end of the folding section of the derrick; the fixed section of the derrick is fixed inside the frame body.
[0007] Preferably, the frame is L-shaped, comprising a horizontal section and a vertical section.
[0008] Preferably, the power mechanism is fixed on the outside of the intersection of the horizontal section and the vertical section, the first passing wheel is fixed on the end of the horizontal section, and the second passing wheel is fixed on the end of the vertical section.
[0009] Preferably, the hinge position of the fixed section and the folding section of the derrick is set in the horizontal section. The power mechanism rotates and drives the folding section to rotate and fold around the hinge point through the wire rope. When the end of the thigh on the folding section contacts the limit block on the fixed section, the derrick is folded.
[0010] Preferably, the power mechanism is a hydraulic motor or an electric motor.
[0011] A method for folding a foldable section of an upright derrick is characterized by using the above-mentioned unfolding auxiliary tooling to fold the foldable section, specifically comprising the following steps:
[0012] S1. Place the unfolded derrick sheet inside the frame;
[0013] S2. Winding the wire rope around the power mechanism, the first pulley and the second pulley, and connecting them to the folding section of the derrick;
[0014] S3, the power mechanism is turned on, the steel wire rope pulls the folding section of the derrick, and the folding section flips and folds around the hinge point;
[0015] S4. Pull the folding section of the derrick to the point where it passes the center of gravity;
[0016] S5, the power mechanism is reversed, and gravity brings the end of the thigh on the folding section into close contact with the limit block on the fixed section;
[0017] S6, the end of the thigh on the folding section is fixedly connected to the limit block on the fixed section;
[0018] S7. The unfolded derrick is folded into a single piece, packed and hoisted onto a carrier.
[0019] A method for deploying a foldable section of an upright derrick is characterized in that the deployment is performed using the above-mentioned deployment auxiliary tooling, specifically comprising the following steps:
[0020] S1. Place the folded derrick sheet inside the frame;
[0021] S2. Winding the wire rope around the power mechanism, the first pulley and the second pulley, and connecting them to the folding section of the derrick;
[0022] S3, loosening the connection between the thigh end on the folding section and the limit block on the fixed section;
[0023] S4, the power mechanism is turned on, the steel wire rope pulls the folding section of the derrick, and the folding section flips and folds around the hinge point;
[0024] S5, the end of the thigh on the folding section gradually moves away from the limit block on the fixed section;
[0025] S6. Pull the folding section of the derrick to the point where it passes the center of gravity;
[0026] S7, the power mechanism is reversed, and gravity moves the folding section to the horizontal section of the frame;
[0027] S8. The folded derrick is fully unfolded.
[0028] The beneficial effects achieved by the utility model are:
[0029] 1. Safety: Reduce the impact of gravity on the derrick;
[0030] 2. Efficiency: Using this auxiliary tooling can greatly reduce the installation difficulty and reduce the installation time;
[0031] 3. Economic: The use of this tool can reduce the use of cranes and save operating costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 This is a schematic diagram of the structure of folding or unfolding the auxiliary tooling of the utility model;
[0033] Figure 2 A schematic diagram of folding using the auxiliary tooling of the present invention;
[0034] Figure 3 A schematic diagram of deployment using the auxiliary tooling of the present invention;
[0035] In the figure: 1-frame; 2-power mechanism; 3-first pulley; 4-second pulley; 5-wire rope; 61-fixed section; 611-limiting block; 62-end of the folding section thigh. DETAILED DESCRIPTION
[0036] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0037] like Figure 1 As shown, the utility model is an auxiliary tool for unfolding the foldable section of an upright set derrick, including a frame body 1, a first wheel 3, a second wheel 4, a wire rope 5 and a power mechanism 2. The power mechanism 2, the first wheel 3 and the second wheel 4 are fixedly arranged on the outside of the frame body 1, and the power mechanism 2 is arranged between the first wheel 3 and the second wheel 4; the wire rope 5 is wound on the power mechanism 2, one end of which passes through the first wheel 3 and is fixedly connected to one end of the folding section 62 of the derrick, and the other end passes through the second wheel 4 and is fixedly connected to the other end of the folding section 62 of the derrick; the fixed section 61 of the derrick is fixed on the inside of the frame body 1.
[0038] In this embodiment, the frame 1 is L-shaped, including a horizontal section and a vertical section.
[0039] In this embodiment, the power mechanism 2 is fixed on the outside of the intersection of the horizontal section and the vertical section, the first passing wheel 3 is fixed at the end of the horizontal section, and the second passing wheel 4 is fixed at the end of the vertical section.
[0040] In this embodiment, the hinge position of the fixed section 61 and the folding section 62 of the derrick is set in the horizontal section. The power mechanism 2 rotates, and the folding section 62 is driven to rotate and fold around the hinge point through the wire rope 5. When the thigh end of the folding section 62 contacts the limit block 611 on the fixed section 61, the derrick is folded.
[0041] In this embodiment, the power mechanism is a hydraulic motor or an electric motor.
[0042] Combine Figure 2 As shown, a method for folding the foldable section of an upright set derrick is provided, wherein the folding is performed using the above-mentioned unfolding auxiliary tooling, and specifically comprises the following steps:
[0043] S1, placing the unfolded derrick single piece inside the frame body 1;
[0044] S2, winding the steel wire rope 5 around the power mechanism 2, the first pulley 3 and the second pulley 4, and connecting them to the folding section 62 of the derrick;
[0045] S3, the power mechanism 2 is turned on, the steel wire rope 5 pulls the folding section 62 of the derrick, and the folding section 62 flips and folds around the hinge point;
[0046] S4, pulling the folding section 62 of the derrick to a point past the center of gravity;
[0047] S5: The power mechanism 2 is reversed, and gravity brings the end of the thigh on the folding section 62 into close contact with the limit block 611 on the fixed section 61;
[0048] S6, the hole on the end of the thigh on the folding section 62 is fixedly connected to the limiting block 611 on the fixed section 61;
[0049] S7. The unfolded derrick is folded into a single piece, packed and hoisted onto a carrier.
[0050] Combine Figure 3 As shown, a method for deploying the foldable section of an upright derrick is provided, which is deployed using the above-mentioned deployment auxiliary tooling and specifically includes the following steps:
[0051] S1, placing the folded derrick sheet inside the frame 1;
[0052] S2, winding the wire rope 5 around the power mechanism 2, the first pulley 3 and the second pulley 4, and connecting them to the folding section 62 of the derrick;
[0053] S3, loosen the connection between the thigh end of the folding section 62 and the limiting block 611 on the fixed section 61;
[0054] S4, the power mechanism 2 is turned on, the steel wire rope 5 pulls the folding section 62 of the derrick, and the folding section 62 flips and folds around the hinge point;
[0055] S5, the thigh end 621 on the folding section 62 gradually moves away from the limiting block 611 on the fixed section 61;
[0056] S6, pulling the folding section 62 of the derrick to a point past the center of gravity;
[0057] S7, the power mechanism 2 is reversed, and the folding section 62 falls to the horizontal section of the frame 1 by gravity;
[0058] S8. The folded derrick is fully unfolded.
[0059] It should be noted that the above description of the technical solution is illustrative only. This specification may be embodied in various forms and should not be construed as limiting the technical solution set forth herein. Rather, these descriptions are provided to ensure that the disclosure of this utility model is thorough and complete and to fully convey the scope of this disclosure to those skilled in the art. Furthermore, the technical solution of this utility model is limited only by the scope of the claims.
[0060] Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments and is susceptible to numerous variations. Any simple modifications, equivalent variations, and modifications to the above embodiments based on the technical essence of the present invention shall be deemed to fall within the scope of protection of the present invention.
Claims
1. An auxiliary tool for unfolding the foldable section of an upright derrick, characterized by: It includes a frame, a first pulley, a second pulley, a wire rope and a power mechanism, wherein the power mechanism, the first pulley and the second pulley are fixedly arranged on the outside of the frame, and the power mechanism is arranged between the first pulley and the second pulley; the wire rope is wound on the power mechanism, one end of the wire rope passes around the first pulley and is fixedly connected to one end of the folding section of the derrick, and the other end passes around the second pulley and is fixedly connected to the other end of the folding section of the derrick; the fixed section of the derrick is fixed inside the frame.
2. The auxiliary tool for unfolding the foldable section of the vertical set derrick according to claim 1 is characterized in that: The frame is L-shaped and includes a horizontal section and a vertical section.
3. The auxiliary tool for unfolding the foldable section of the vertical set derrick according to claim 2 is characterized in that: The power mechanism is fixed on the outside of the intersection of the horizontal section and the vertical section, the first passing wheel is fixed on the end of the horizontal section, and the second passing wheel is fixed on the end of the vertical section.
4. The auxiliary tool for unfolding the foldable section of the vertical set derrick according to claim 2 is characterized in that: The hinge position of the fixed section and the folding section of the derrick is set in the horizontal section. The power mechanism rotates and drives the folding section to rotate and fold around the hinge point through the wire rope. When the end of the thigh on the folding section contacts the limit block on the fixed section, the derrick is folded.
5. The auxiliary tool for unfolding the foldable section of the vertical set derrick according to claim 1 is characterized in that: The power mechanism is a hydraulic motor or an electric motor.