Flashboard shaft assembly tool for blowout preventer
By designing a protective cap during the assembly of the side door of the blowout preventer, the problem of the sealing ring damage caused when the shutter shaft passes through the side door assembly is solved, and an efficient and safe assembly process is achieved, reducing replacement costs.
Patent Information
- Application Number
- CN202421658808.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-15
AI Technical Summary
During the assembly of traditional blowout preventer side doors, the shutter shaft may easily cause the cutting ring of the sealing sleeve O-ring when passing through the side door assembly, resulting in poor assembly quality and high replacement cost.
A protective cap is designed, installed at the end of the gate shaft. The protective cap is in the shape of a round table, and the inner wall is equipped with a groove matching the outer wall of the gate shaft. The bottom is connected to the gate shaft through a suction cup. The design of the protective cap avoids direct contact with the O-ring.
Through this design, the gate shaft can pass through the side door seal ring assembly without damaging the seal ring, reducing replacement costs, improving assembly efficiency, and providing higher safety guarantees.
Smart Images
Figure CN222780041U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a shutter shaft assembly tool for a blowout preventer. Background Art
[0002] In the field of side door assembly of cast blowout preventers, the traditional assembly process has the following shortcomings: long assembly time, reduced production efficiency, poor assembly quality, and when the gate shaft passes through the side door assembly, the chamfer will contact and squeeze the O-ring of the support seal sleeve, causing the O-ring to be damaged. Because the chamfer is a stress-bearing part and its size cannot be changed, the rubber ring is damaged after the pressure test is completed, and the replacement cost is high. Utility Model Content
[0003] The utility model aims to provide a blowout preventer gate shaft assembly tool to solve the above problems.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] The utility model discloses a gate shaft assembly tool for a blowout preventer, comprising a protective cap installed at the end of the gate shaft, the protective cap is in a truncated cone shape, the inner wall of the protective cap is provided with a groove matching the outer wall of the end of the gate shaft, the bottom of the protective cap is connected to the end of the gate shaft through a connecting component, and the outer diameter of the head of the protective cap is smaller than the diameter of the through hole opened on the side door.
[0006] Furthermore, the outer wall of the protective cap is an arc surface.
[0007] Furthermore, the connecting assembly includes a plurality of suction cups, the bottom inner wall of the protective cap is an inclined surface, a mounting groove is provided on the inclined surface, and the suction cup is fixed in the mounting groove.
[0008] Furthermore, the inclination angle of the inclined surface is 45°.
[0009] Furthermore, a 2° chamfer is provided at the joint between the bottom outer wall of the protective cap and the gate shaft.
[0010] Compared with the prior art, the beneficial technical effects of the utility model are:
[0011] The utility model can ensure that the gate shaft can smoothly pass through the side door sealing ring assembly without causing damage to the sealing ring. There is no need to verify the quality of the sealing ring after assembly, which reduces the replacement cost, improves work efficiency, and also provides more safety guarantees for the site. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model will be further described below in conjunction with the accompanying drawings.
[0013] Figure 1This is a cross-sectional view of the assembly tooling for the gate shaft of the blowout preventer of the utility model;
[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle;
[0015] Figure 3 This is a cross-sectional view of the utility model of the blowout preventer gate shaft assembly tool when in use;
[0016] Explanation of the accompanying drawings: 1. gate shaft; 2. protective cap; 3. side door; 4. suction cup; 5. mounting groove. DETAILED DESCRIPTION
[0017] like Figure 1-3 As shown, a gate shaft assembly tool for a blowout preventer includes a protective cap 2 installed at the end of the gate shaft 1, the protective cap 2 is in a truncated cone shape, and the outer wall of the protective cap 2 is an arc surface.
[0018] The inner wall of the protective cap 2 is provided with a groove matching the outer wall of the end of the gate shaft 1. The bottom of the protective cap 2 is connected to the end of the gate shaft 1 through a connecting component. The outer diameter of the head of the protective cap 2 is smaller than the diameter of the through hole opened on the side door 3.
[0019] The connecting assembly includes a plurality of suction cups 4. The bottom inner wall of the protective cap 2 is a slope with an inclination angle of 45°. A mounting groove 5 is provided on the slope. The suction cup 4 is fixed in the mounting groove 5. When the protective cap 2 is used, the suction cup 4 can suck the end of the gate shaft 1 to prevent it from falling.
[0020] A 2° chamfer transition is provided at the joint between the bottom outer wall of the protective cap 2 and the gate shaft 1, so that the gate shaft can smoothly pass through the O-ring of the supporting sealing sleeve without causing damage.
[0021] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A blowout preventer gate shaft assembly tool, characterized in that: The invention comprises a protective cap (2) mounted on the end of a gate shaft (1); the protective cap (2) is in the shape of a truncated cone; the inner wall of the protective cap (2) is provided with a groove matching the outer wall of the end of the gate shaft (1); the bottom of the protective cap (2) is connected to the end of the gate shaft (1) through a connecting component; the outer diameter of the head of the protective cap (2) is smaller than the diameter of the through hole opened on the side door (3).
2. The ram shaft assembly tool for a blowout preventer according to claim 1, characterized in that: The outer wall of the protective cap (2) is an arc surface.
3. The ram shaft assembly tool for a blowout preventer according to claim 1, characterized in that: The connection assembly comprises a plurality of suction cups (4); the inner wall of the bottom of the protective cap (2) is an inclined surface, a mounting groove (5) is provided on the inclined surface, and the suction cup (4) is fixed in the mounting groove (5).
4. The ram shaft assembly tool for a blowout preventer according to claim 3, characterized in that: The inclination angle of the inclined surface is 45°.
5. The ram shaft assembly tool for a blowout preventer according to claim 1, characterized in that: A chamfer of 2° is provided at the joint between the bottom outer wall of the protective cap (2) and the gate shaft (1).