Ball valve overhauling tool

By designing ball valve maintenance tools and adopting a reciprocating electro-hydraulic mechanism and a "Y"-type maintenance tool, the problem of low efficiency of traditional tools has been solved, enabling fast and safe ball valve maintenance. It is applicable to ball valves of various structures and sizes, and reduces maintenance costs.

CN223699896UActive Publication Date: 2025-12-23PIPECHINA SOUTH CHINA CO +2
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520250752.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-23
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Traditional ball valve repair tools are inconvenient to operate and inefficient, making it difficult to meet the needs of modern industry for efficient and convenient repairs. Furthermore, the lack of specialized tools for special structures or sizes increases the complexity and cost of repairs.

Method used

A ball valve maintenance tool was designed, including a drive unit, a maintenance unit, a fixing unit, and a guide unit. It uses a reciprocating electro-hydraulic mechanism as the power component, combined with a "Y"-shaped maintenance tool and modular fixing blocks to ensure a secure latch and reduce damage to the valve body, providing stable power output and safety protection.

Benefits of technology

It enables rapid and efficient disassembly and installation of ball valves, shortens maintenance cycles, reduces costs, and improves safety and applicability. It is suitable for ball valves of various structures and sizes, reducing the need for custom tools.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223699896U_ABST
    Figure CN223699896U_ABST
Patent Text Reader

Abstract

The utility model provides a ball valve overhauling tool which comprises a driving device, an overhauling device used for being connected with a sealing seat of a ball valve in a clamping mode, a fixing device used for supporting the driving device and a guiding device used for guiding the overhauling device, and the driving device and the guiding device are both installed on the fixing device. The overhauling device is installed on the guiding device in a sliding mode, and the driving device is connected with the overhauling device. The mechanical structure and the operation process are optimized, manpower and time investment in the maintenance process is reduced, quick and efficient disassembly and assembly of the ball valve are achieved, disassembly and assembly of the valve sealing seat are achieved, and the maintenance period is greatly shortened. The maintenance efficiency and convenience of the ball valve are improved, and meanwhile the maintenance cost is reduced. The driving device and the guiding device are both installed on the fixing device, the safety of maintenance personnel in the operation process is guaranteed, and the durability and reliability of the tool are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to valve maintenance technical field especially relates to a ball valve maintenance tool. BACKGROUND

[0002] Nowadays, ball valves are widely used in pipeline applications, especially in energy transportation fields such as oil and natural gas, their importance is self-evident. However, as the use time goes by and the complexity of working conditions increases, the maintenance of ball valves becomes a critical and challenging task. Traditional ball valve maintenance tools often have problems such as accidental operation and low efficiency, which cannot meet the urgent needs of modern industry for efficient and convenient maintenance.

[0003] When disassembling and installing key components of the ball valve, the traditional maintenance tool often requires a lot of manpower and time, which not only increases the maintenance cost, but also may damage the ball valve structure due to improper operation, affecting subsequent use. For some special structure or size of ball valve, there is a lack of special maintenance tools to match it on the market, which makes it difficult to carry out maintenance work, and even needs to customize tools, increasing the complexity and cost of maintenance.

[0004] In the disassembly and assembly work of the ball valve sealing seat, many existing maintenance tools, such as "Y" type buckle tool, curved port clamp spring pliers, "L" type knocking tool, etc. are time-consuming and laborious, resulting in low efficiency. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a ball valve maintenance tool for the deficiencies of the prior art.

[0006] The technical solution of the utility model to solve the above technical problem is as follows: a ball valve maintenance tool, comprising: a driving device, a maintenance device for clamping a sealing seat of a ball valve, a fixing device for supporting the driving device, a guide device for guiding the maintenance device, the driving device and the guide device are installed on the fixing device, the maintenance device is slidingly installed on the guide device, and the driving device is connected with the maintenance device.

[0007] The beneficial effects of the utility model technical solution are: optimizing the mechanical structure and operation process, reducing the manpower and time input in the maintenance process, realizing the quick and efficient disassembly and installation of the ball valve, realizing the disassembly and assembly of the valve sealing seat, greatly shortening the maintenance cycle. Improve the efficiency and convenience of ball valve maintenance, while reducing maintenance cost. The driving device and the guide device are installed on the fixing device, which ensures the safety of the maintenance personnel during operation, improves the durability and reliability of the tool.

[0008] Further, the driving device is a reciprocating electric hydraulic mechanism, and a start-stop switch is installed on the driving device.

[0009] The beneficial effect of the further technical scheme is that the reciprocating electric hydraulic mechanism is a power component of the ball valve maintenance tool, uses electricity as the energy source, adopts the hydraulic transmission technology that can start and stop reciprocating, and can provide stable and powerful power output.

[0010] Further, the maintenance device comprises a connecting rod and a Y-shaped structure, one end of the connecting rod is connected with the driving device, the middle part of the connecting rod is slidingly installed on the guiding device, and the first end of the Y-shaped structure is connected with the other end of the connecting rod.

[0011] The beneficial effect of the further technical scheme is that the Y-shaped maintenance special tool is derived from the traditional valve maintenance special tool, can ensure the stability of the buckle, and can minimize the damage to the valve body.

[0012] Further, the second end and the third end of the Y-shaped structure are both provided with a clamping corner, and the clamping corner is matched with the sealing seat hole of the ball valve.

[0013] The beneficial effect of the further technical scheme is that the Y-shaped maintenance special tool is derived from the traditional valve maintenance special tool, has two clamping corners on the V-shaped corner, and the size is suitable for extending into the sealing seat hole, can ensure the stability of the buckle, and can minimize the damage to the valve body.

[0014] Further, the clamping corner is perpendicular to the Y-shaped structure, and the manufacturing material of the maintenance device is stainless steel.

[0015] The beneficial effect of the further technical scheme is that the Y-shaped maintenance special tool is derived from the traditional valve maintenance special tool, has two clamping corners on the V-shaped corner, and the size is suitable for extending into the sealing seat hole, can ensure the stability of the buckle, and can minimize the damage to the valve body. The Y-shaped maintenance special tool is made of stainless steel, has excellent corrosion resistance, and can maintain stable performance in various environments.

[0016] Further, the other end of the connecting rod is inserted into the first end of the Y-shaped structure.

[0017] The beneficial effect of the further technical scheme is that the installation and maintenance of the connecting rod and the Y-shaped structure are facilitated.

[0018] Further, the guiding device is a circular arc plate, the guiding device is provided with a crescent groove, and the maintenance device is slidingly installed in the crescent groove.

[0019] The beneficial effects of the further technical scheme are that the crescent groove is used for positioning and limiting the reciprocating movement of the driving device, limits the movement of the driving device within a specified range, avoids too large expansion and contraction from damaging the valve body, ensures the safety of the maintenance personnel during the operation process, and improves the durability and reliability of the tool.

[0020] Further, the middle part of the maintenance device is provided with a limiting clamping point, and the limiting clamping point is slidingly installed in the crescent groove.

[0021] The beneficial effects of the further technical scheme are that the limiting clamping point is slidingly installed in the crescent groove, is used for positioning and limiting the reciprocating movement of the driving device, limits the movement of the driving device within a specified range, avoids too large expansion and contraction from damaging the valve body, ensures the safety of the maintenance personnel during the operation process, and improves the durability and reliability of the tool.

[0022] Further, the fixing device comprises a fixing block and a plurality of fixing bolts, a plurality of connecting holes for connecting with valve seat screw holes of the ball valve are arranged on the fixing block, and the plurality of fixing bolts are installed in the plurality of connecting holes.

[0023] The beneficial effects of the further technical scheme are that the fixing block is provided for replacing and adapting to the valve seat, the fixing block is arranged to ensure that the tool can be widely used for the maintenance requirements of various ball valves, and the necessity of customizing the tool is reduced.

[0024] Further, a fixing rod is arranged on the fixing device, and the middle part of the driving device is rotationally connected with the fixing rod through a movable mechanism.

[0025] The beneficial effects of the further technical scheme are that the fixing rod is arranged to support the driving device, and the driving device is facilitated to rotate relative to the fixing rod.

[0026] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 Fig. 1 is a structural schematic view of a ball valve maintenance tool provided by an embodiment of the utility model.

[0028] Figure 2 Fig. 2 is another structural schematic view of a ball valve maintenance tool provided by an embodiment of the utility model.

[0029] Explanation of reference numerals: 1, driving device; 2, sealing seat; 3, maintenance device; 4, fixing device; 5, guiding device; 6, start-stop switch; 7, connecting rod; 8, Y-shaped structure; 9, crescent groove; 10, limiting clamping point; 11, fixed block; 12, fixing bolt; 13, fixed rod; 14, movable mechanism. DETAILED DESCRIPTION

[0030] The principles and characteristics of the present application are described below in combination with the drawings, and the examples are only used to explain the present application and not to limit the scope of the present application.

[0031] As shown in Figure 1 and Figure 2 , the embodiment of the present application provides a ball valve maintenance tool, which comprises: a driving device 1, a maintenance device 3 for clamping a sealing seat 2 of a ball valve, a fixing device 4 for supporting the driving device 1, and a guiding device 5 for guiding the maintenance device 3. The driving device 1 and the guiding device 5 are both installed on the fixing device 4, the maintenance device 3 is slidingly installed on the guiding device 5, and the driving device 1 is connected with the maintenance device 3.

[0032] The beneficial effects of the technical scheme of the present application are: optimizing the mechanical structure and operation process, reducing the labor and time input in the maintenance process, realizing the rapid and efficient disassembly and installation of the ball valve, realizing the disassembly and assembly of the valve sealing seat, greatly shortening the maintenance cycle. Improve the efficiency and convenience of ball valve maintenance, while reducing maintenance cost. The driving device and the guiding device are both installed on the fixing device, which ensures the safety of the maintenance personnel during operation, improves the durability and reliability of the tool.

[0033] In view of the many problems existing in the prior art, the embodiment of the present application provides a ball valve maintenance tool, which can be a special tool for new type ball valve maintenance, aiming to significantly improve the efficiency and convenience of ball valve maintenance, while reducing maintenance cost, breaking the foreign technology monopoly, and realizing domestic self-production and application. The specific application purposes are as follows:

[0034] 1. Improve maintenance efficiency: by designing an optimized mechanical structure and operation process, reduce the labor and time input in the maintenance process, realize the rapid and efficient disassembly and installation of the ball valve, greatly shorten the maintenance cycle.

[0035] 2. Expand the application range: for different structures and sizes of ball valves on the market, design modular or adjustable maintenance tool components to ensure that the tool can be widely used for the maintenance needs of various ball valves, reducing the necessity of custom tools.

[0036] 3. Reduce the cost: through independent research and development and production at home, reduce the manufacturing cost of special maintenance tools, break the monopoly of foreign countries, make more domestic valve maintenance units affordable efficient and convenient maintenance tools, and promote the overall technological progress of the industry.

[0037] 4. Improve safety and reliability: incorporate anti-slip safety mechanisms in tool design to ensure the safety of maintenance personnel during operation, while improving tool durability and reliability, and extending service life.

[0038] As shown in Figure 1 and Figure 2 Further, the driving device 1 is a reciprocating electric hydraulic mechanism, and a start-stop switch 6 is installed on the driving device 1.

[0039] The beneficial effects of the above further technical solutions are: the reciprocating electric hydraulic mechanism is a power component of the ball valve maintenance tool, which uses electricity as the energy source and adopts a start-stop reciprocating hydraulic transmission technology to provide stable and powerful power output.

[0040] The driving device can also be provided with a telescopic control switch, i.e. a control key, to control the driving device to extend and retract.

[0041] As shown in Figure 1 and Figure 2 Further, the maintenance device 3 includes a connecting rod 7 and a Y-shaped structure 8, the driving device 1 is connected to one end of the connecting rod 7, the middle part of the connecting rod 7 is slidingly installed on the guide device 5, and the first end of the Y-shaped structure 8 is connected to the other end of the connecting rod 7.

[0042] The beneficial effects of the above further technical solutions are: the "Y" type maintenance special tool is derived from traditional valve maintenance special tools, which can minimize damage to the valve body while ensuring the stability of the buckle.

[0043] As shown in Figure 1 and Figure 2 Further, the second end and the third end of the Y-shaped structure 8 are both provided with a clamping corner, which is adapted to the sealing seat hole of the ball valve.

[0044] The beneficial effects of the above further technical solutions are: the "Y" type maintenance special tool is derived from traditional valve maintenance special tools, which has two clamping corners on the "V" corner, and the size is suitable for extending into the sealing seat hole, which can minimize damage to the valve body while ensuring the stability of the buckle.

[0045] The clamping corner can be a cylindrical body or a hook-shaped structure.

[0046] As shown in Figure 1 andFigure 2 As shown in the drawings, further, the clamping corners are perpendicular to the Y-shaped structure 8, and the maintenance device 3 is made of stainless steel.

[0047] The beneficial effects of the above further technical solutions are that the Y-shaped maintenance special tool is from the traditional valve maintenance special tool, and has two clamping corners on the V-shaped corner, which are suitable for extending into the sealing seat hole, can ensure the stability of the clamping buckle, and can minimize the damage to the valve body. Made of stainless steel, it not only has excellent corrosion resistance, but also can maintain stable performance in various environments.

[0048] As shown in the drawings, Figure 1 and Figure 2 further, the other end of the connecting rod 7 is inserted into the first end of the Y-shaped structure 8.

[0049] The beneficial effects of the above further technical solutions are that the installation and maintenance of the connecting rod and the Y-shaped structure are facilitated.

[0050] As shown in the drawings, Figure 1 and Figure 2 further, the guide device 5 is a circular arc plate, the guide device 5 is provided with a crescent groove 9, and the maintenance device 3 is slidingly installed in the crescent groove 9.

[0051] The beneficial effects of the above further technical solutions are that the crescent groove is used for positioning and limiting the reciprocating motion of the driving device, limiting the movement of the driving device within a specified range, avoiding excessive stretching to damage the valve body, ensuring the safety of the maintenance personnel during operation, and improving the durability and reliability of the tool.

[0052] As shown in the drawings, Figure 1 and Figure 2 further, the middle part of the maintenance device 3 is provided with a limiting clamping point 10, and the limiting clamping point 10 is slidingly installed in the crescent groove 9.

[0053] The beneficial effects of the above further technical solutions are that the limiting clamping point is slidingly installed in the crescent groove, which is used for positioning and limiting the reciprocating motion of the driving device, limiting the movement of the driving device within a specified range, avoiding excessive stretching to damage the valve body, ensuring the safety of the maintenance personnel during operation, and improving the durability and reliability of the tool.

[0054] As shown in the drawings, Figure 1 and Figure 2 further, the fixing device 4 includes a fixing block 11 and a plurality of fixing bolts 12, the fixing block 11 is provided with a plurality of connecting holes for connecting with the valve seat screw holes of the ball valve, and a plurality of fixing bolts 12 are installed in a plurality of connecting holes.

[0055] The beneficial effects of the further technical scheme are: for different structures and sizes of ball valves on the market, a modular or adjustable maintenance tool assembly is designed, a fixed block adapted to the valve seat is provided, the fixed block is arranged to ensure that the tool can be widely used for maintenance of various ball valves, and the necessity of customized tools is reduced.

[0056] As shown in Figure 1 and Figure 2 Further, the fixing device 4 is provided with a fixing rod 13, and the middle part of the driving device 1 is rotationally connected with the fixing rod 13 through a movable mechanism 14.

[0057] The beneficial effects of the further technical scheme are: the fixing rod is arranged to support the driving device, and facilitate rotation of the driving device relative to the fixing rod.

[0058] The movable mechanism can be a pair of mounting plates and a pin shaft, the pair of mounting plates are rotationally connected through the pin shaft, and the pair of mounting plates are connected with the driving device and the fixing rod in one-to-one correspondence.

[0059] The utility model embodiment provides a ball valve maintenance tool, which can be a special tool for ball valve maintenance and mainly comprises four parts of a hydraulic mechanism (driving device), a Y-shaped maintenance special tool (maintenance device), a crescent groove and a fixing device.

[0060] 1. The hydraulic mechanism (driving device) is a power component of the special tool (ball valve maintenance tool), takes electricity as an energy source, adopts a start-stop reciprocating hydraulic transmission technology, and can provide stable and powerful power output.

[0061] 2. The Y-shaped maintenance special tool (maintenance device) is a traditional valve maintenance special tool, has two clamping angles on a V angle, is suitable for being inserted into a sealing seat hole, can minimize damage to a valve body (ball valve) while ensuring that a buckle is stable, is made of stainless steel, has excellent corrosion resistance, and can maintain stable performance in various environments.

[0062] 3. The crescent groove is mainly used for positioning and limiting reciprocating movement of an expansion rod, limits movement of a hydraulic expansion rod (driving device) within a specified range, avoids damage to a valve body due to excessive expansion, is connected to the fixing device, and is superior to foreign hydraulic special tools.

[0063] 4. The fixing device adopts an adjustable design, is clamped to a valve seat screw hole, ensures that the tool will not accidentally slip during maintenance, and thus improves work efficiency and safety.

[0064] 5. Use: hydraulic mechanism (drive device) ensures "push forward" in disassembly process, "pull back" in assembly process, press pause after "push forward" and "pull back" reach limit (achieved by start-stop switch), take out "Y" type maintenance special tool (maintenance device) laterally, press control key to reverse movement, reach next clamping (seal seat hole) to press "Y" type maintenance special tool, repeat the above process to easily realize disassembly and assembly of valve seal seat.

[0065] The special maintenance tool (ball valve maintenance tool) provided by the embodiments of the utility model is suitable for the disassembly and assembly process of the seal seat of the ball valve of different sizes. With the rapid development of industrial automation and intelligence, the maintenance and management of fluid control equipment such as the ball valve are particularly crucial. Therefore, the special maintenance tool provided by the embodiments of the utility model fully considers the future technical trend and industry demand in design, further simplifies the operation process, reduces the risk of human error, and fills the gap of the special maintenance tool for the seal seat of the ball valve in China.

[0066] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A ball valve repair tool, characterized in that, include: The device includes a drive unit, a maintenance device for a sealing seat of a ball valve, a fixing device for supporting the drive unit, and a guide device for guiding the maintenance device. The drive unit and the guide device are both mounted on the fixing device, and the maintenance device is slidably mounted on the guide device. The drive unit is connected to the maintenance device.

2. The ball valve repair tool according to claim 1, characterized in that, The drive device is a reciprocating electro-hydraulic mechanism, and a start / stop switch is installed on the drive device.

3. The ball valve repair tool according to claim 1, characterized in that, The maintenance device includes a connecting rod and a Y-shaped structure. The driving device is connected to one end of the connecting rod, the middle part of the connecting rod is slidably mounted on the guide device, and the first end of the Y-shaped structure is connected to the other end of the connecting rod.

4. A ball valve repair tool according to claim 3, characterized in that, Both the second and third ends of the Y-shaped structure are equipped with retaining angles, which are adapted to the sealing seat holes of the ball valve.

5. A ball valve repair tool according to claim 4, characterized in that, The corner is perpendicular to the Y-shaped structure, and the maintenance device is made of stainless steel.

6. A ball valve repair tool according to claim 3, characterized in that, The other end of the connecting rod is inserted into the first end of the Y-shaped structure.

7. A ball valve repair tool according to claim 1, characterized in that, The guide device is an arc plate with a crescent groove, and the maintenance device is slidably installed in the crescent groove.

8. A ball valve repair tool according to claim 7, characterized in that, The maintenance device is provided with a limiting point in the middle, and the limiting point is slidably installed in the crescent groove.

9. A ball valve repair tool according to claim 1, characterized in that, The fixing device includes a fixing block and a plurality of fixing bolts. The fixing block is provided with a plurality of connection holes for connecting with the valve seat screw holes of the ball valve, and the plurality of fixing bolts are installed in the plurality of connection holes.

10. A ball valve repair tool according to claim 1, characterized in that, The fixing device is provided with a fixing rod, and the middle part of the driving device is rotatably connected to the fixing rod through a movable mechanism.