Valve replacement tool piece for engineering construction
By designing valves to replace tooling components, the problem of secondary cutting and welding caused by the delayed arrival of valves was solved, thereby improving construction accuracy and efficiency and reducing costs and resource waste.
Patent Information
- Application Number
- CN202520473354.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-18
AI Technical Summary
During the installation of electromechanical equipment and petrochemical pipelines, the delayed arrival of valves leads to secondary cutting and welding problems, resulting in waste of personnel, machinery, materials, and energy.
A valve replacement tooling for engineering construction has been designed, including a flange connection device, a rotatable device, a fine-tuning device, and an extension section. These devices enable flexible adjustment and precise measurement of the construction distance, ensuring seamless connection between the valve and the pipeline.
It improved construction efficiency, reduced construction complexity and costs, reduced waste of manpower, machinery, materials and energy, and optimized the construction process.
Smart Images

Figure CN223938934U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building installation technology, and in particular to a valve replacement tooling for engineering construction. Background Technology
[0002] Currently, in the installation of electromechanical equipment, petrochemical pipelines, and technical upgrades, valve installation is often an indispensable part of pipeline construction. However, there are instances where valves arrive late. When valves arrive late, on-site construction typically involves running straight pipe sections or pre-setting valve positions based on pre-informed valve parameters. However, the accuracy of these pre-settings cannot be guaranteed to be perfect, leading to secondary cutting and welding work on-site after the valves arrive, resulting in significant waste of personnel, machinery, materials, and energy.
[0003] Therefore, it is necessary to propose a valve to replace tooling components in engineering construction in order to improve construction efficiency. Utility Model Content
[0004] The purpose of this utility model is to solve the problem of secondary cutting and welding caused by the delayed arrival of valves during existing pipeline installation. It provides a valve replacement tooling for engineering construction.
[0005] The technical solution of this utility model is:
[0006] A valve replacement tooling for engineering construction includes a flange connection device, a rotatable device, a fine-adjustable device, and an extension section;
[0007] The flange connection device includes a flange blind plate and an internal thread retaining ring, with the internal thread retaining ring located on one side of the flange blind plate and coaxially and fixedly connected to the flange blind plate.
[0008] The rotatable device includes an external thread bearing sleeve, an internal bearing, and a bearing inner thread tube. The external thread bearing sleeve is coaxially threaded with the internal thread retainer. The bearing inner thread tube is coaxially arranged with the internal bearing. One end of the bearing inner thread tube is fixedly connected to the inner ring of the internal bearing. An extension section is provided at the other end of the bearing inner thread tube and is coaxial with the bearing inner thread tube.
[0009] The adjustable device includes an adjustable external threaded connector, which is located inside the inner threaded tube of the bearing and is coaxially threadedly connected to the inner threaded tube of the bearing. One end of the adjustable external threaded connector is fixedly connected to an extension section.
[0010] Furthermore, both ends of the extension section are equipped with flange docking devices, rotatable devices, and fine-tuning devices. By setting flange docking devices, rotatable devices, and fine-tuning devices with the same structure at both ends of the extension section, the distance at the construction site can be flexibly adjusted. When the length is insufficient, the length requirement can be met by increasing the number of extension sections and splicing multiple extension sections together, thereby improving the flexibility of construction.
[0011] Furthermore, the adjustable external thread is directly connected to the extension section, which has a screw through hole. A screw is inserted into the screw through hole, and a wing bolt assembly is provided on the screw. The screw and the wing bolt assembly directly fix the adjustable external thread to the extension section. The screw through hole facilitates the accommodation of the screw, realizing the connection and fixation of the adjustable external thread directly to the extension section.
[0012] Furthermore, the flange blind plate is matched with the size of the valve flange to be replaced, so that the valve can be seamlessly connected to the pipeline at the construction site during installation, ensuring construction accuracy.
[0013] Furthermore, the extension section has the same diameter as the internal wire tube of the bearing, which improves the ease of operation.
[0014] Furthermore, a fixed disc nut is fixedly connected to the outer side of the inner threaded tube of the bearing. The fixed disc nut drives the inner threaded tube of the bearing to rotate, which in turn drives the adjustable outer thread to move axially. The axial movement distance of the adjustable outer thread is 0-3cm. By rotating the inner threaded tube of the bearing, an axial thrust is given to the adjustable outer thread, thereby realizing its axial movement. This allows for a precise measurement and comparison of the distance between construction pipelines, ensuring that the valve to be installed can be seamlessly connected to the pipeline at the construction site, thus guaranteeing construction accuracy.
[0015] Furthermore, the outer threaded bearing sleeve is welded and fixed to the outer ring of the inner bearing. When the inner threaded tube of the bearing rotates, the presence of the inner bearing allows the inner threaded tube of the bearing to rotate relative to the inner threaded retainer.
[0016] Furthermore, the outer ring diameter of the internal bearing is 1-2 mm smaller than the diameter of the external thread bearing sleeve.
[0017] Furthermore, the inner wire tube of the bearing body is provided with two axially symmetrical fixed disc nuts. The two symmetrical fixed disc nuts can facilitate the rotation of the inner wire tube of the bearing body and improve the rotation efficiency.
[0018] This utility model provides a valve replacement tooling for engineering construction. It features a simple structure, convenient operation, ease of construction, high feasibility, improved construction efficiency, reduced construction complexity, and labor savings. It solves the problem of existing technologies where valve parameters are known but the valve is not present, yet valve flanges can still be perfectly welded, leaving a suitable valve position. This significantly reduces waste of manpower, machinery, materials, and energy, achieving cost reduction and efficiency improvement. Compared to existing technologies, this solution allows for valve replacement during construction operations only when valve parameters are known. Even when the valve is present, tooling can be used to protect it. After welding the valve flange, the tooling can be removed before installing the valve, enabling installation on demand and removal when not in use. This convenient and efficient approach greatly saves costs and optimizes the construction process. Attached Figure Description
[0019] Figure 1 This is a structural diagram of the main body of this utility model;
[0020] Figure 2 This is a schematic diagram of the flange docking device of this utility model;
[0021] Figure 3 This is a schematic diagram of the rotatable device of this utility model;
[0022] Figure 4 This is a schematic diagram of the fine-tunable device of this utility model;
[0023] Figure 5 This is a schematic diagram of the extended section of this utility model.
[0024] Reference numerals: 1. Flange connection device; 2. Rotatable device; 3. Adjustable device; 4. Extension section; 5. Flange blind plate; 6. Internal thread retaining ring; 7. External thread bearing sleeve; 8. Internal bearing; 9. Bearing body internal thread tube; 10. Adjustable external thread straight section; 11. Bolt through hole; 12. Wing bolt assembly; 13. Fixed nut. Detailed Implementation
[0025] To make the technical means, technical features, utility model purpose and technical effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.
[0026] Example 1:
[0027] like Figure 1 and Figure 2 As shown, this embodiment provides a valve replacement tooling for engineering construction, including a flange connection device 1, a rotatable device 2, a fine-tuning device 3, and an extension section 4, as follows. Figure 2 As shown, the flange connection device 1 includes a flange blind plate 5 and an internal thread retaining ring 6. The internal thread retaining ring 6 is located on one side of the flange blind plate 5 and is coaxially welded and fixed to the flange blind plate 5, as shown. Figure 3 As shown, the rotatable device 2 includes an external threaded bearing sleeve 7, an internal bearing 8, and a bearing inner threaded tube 9. The external threaded bearing sleeve 7 is coaxially threadedly connected to the internal threaded retaining ring 6. The bearing inner threaded tube 9 is coaxially arranged with the internal bearing 8. One end of the bearing inner threaded tube 9 is fixedly connected to the inner ring of the internal bearing 8. An extension section 4 is provided at the other end of the bearing inner threaded tube 9 and is coaxial with the bearing inner threaded tube 9. Figure 4 As shown, the adjustable device 3 includes an adjustable external thread straight rod 10, which is disposed inside the bearing body internal thread tube 9 and is coaxially threadedly connected to the bearing body internal thread tube 9. One end of the adjustable external thread straight rod 10 is fixedly connected to the extension section 4.
[0028] Preferred, such as Figure 5 As shown, both ends of the extension section 4 are equipped with flange docking device 1, rotatable device 2, and fine-tuning device 3. By setting flange docking device 1, rotatable device 2, and fine-tuning device 3 with the same structure at both ends of the extension section 4, the distance at the construction site can be flexibly adjusted. When the length is insufficient, the number of extension sections 4 can be increased, and multiple extension sections 4 can be spliced together to meet the length requirements, thereby improving the flexibility of construction and enabling the tooling to more accurately represent the actual length of the valve.
[0029] Preferred, such as Figure 1 and Figure 5 As shown, the adjustable external thread straight section 10 and the extension section 4 are provided with screw through holes, and a screw is inserted into the screw through holes. A wing bolt assembly 12 is provided on the screw. The screw and the wing bolt assembly 12 fix the adjustable external thread straight section 10 and the extension section 4. The screw through holes can easily accommodate the screw, so as to realize the connection and fixation of the adjustable external thread straight section 10 and the extension section 4.
[0030] Preferably, the flange blind plate 5 is matched with the size of the valve flange to be replaced, so that the valve can be seamlessly connected to the pipeline at the construction site during installation, ensuring construction accuracy.
[0031] Preferably, the extension section 4 has the same diameter as the inner wire tube 9 of the bearing, which improves the convenience of operation.
[0032] Preferred, such as Figure 2 As shown, a fixed disc nut 13 is welded to the outside of the inner threaded tube 9 of the bearing housing. The fixed disc nut 13 drives the inner threaded tube 9 of the bearing housing to rotate, which in turn drives the adjustable outer threaded straight tube 10 to move axially. The axial movement distance of the adjustable outer threaded straight tube 10 is 0-3cm. By rotating the inner threaded tube 9 of the bearing housing, an axial thrust is given to the adjustable outer threaded straight tube 10, thereby realizing its axial movement. This allows for a precise measurement and comparison of the distance between construction pipelines, ensuring that the valve to be installed can be seamlessly connected to the pipeline at the construction site, thus guaranteeing construction accuracy. The extension section 4 is composed of a DN25 pipeline with the same diameter and wall thickness as the inner threaded tube 9 of the bearing housing. The length is not limited to 5cm, 10cm, 15cm, 20cm, etc., and can be adjusted as needed.
[0033] Preferably, the outer thread bearing sleeve 7 is welded and fixed to the outer ring of the inner bearing 8. When the inner thread tube 9 of the bearing body rotates, the presence of the inner bearing 8 allows the inner thread tube 9 of the bearing body to rotate relative to the inner thread retaining ring 6.
[0034] Preferably, the outer ring diameter of the inner bearing 8 is 1-2 mm smaller than the diameter of the outer thread bearing sleeve 7.
[0035] Preferred, such as Figure 2As shown, the inner wire tube 9 of the bearing body is provided with two axially symmetrical fixed disc nuts 13. The two symmetrical fixed disc nuts 13 can easily rotate the inner wire tube 9 of the bearing body, which is used for fine adjustment and to facilitate the installation and disassembly of the inner wire tube 9 of the bearing body with the front and rear connecting bodies, thereby improving the rotation efficiency.
[0036] A valve replacement tooling for engineering construction is disclosed. In use, a flange docking device 1, a rotatable device 2, a fine-tuning device 3, and an extension section 4 are connected as a whole using threaded and bolt assemblies. The valve is installed by replacing the valve's pre-reserved position with its parameters. The rotatable device 2 allows adjustment of the corresponding position of the valve flange and the flange blind plate 5 in the flange docking device 1. The fine-tuning device 3 allows for small-range adjustments to the distance between the two sides. If the valve size changes and the tooling length needs adjustment, the butterfly bolt assembly 12 is opened through the bolt passage holes at one end of the fine-tuning device 3 and both ends of the extension section 4. The extension section 4 is then replaced, and fine-tuning is performed to ensure the dimensions match the valve and the installation accuracy is guaranteed. After the current construction is completed, the tooling can be disassembled and used for the next construction location.
[0037] With its simple structure, convenient operation, ease of construction, and high feasibility, this technology improves construction efficiency, reduces construction complexity, and saves labor and effort. It solves the problem of existing technologies where valve parameters are known but the valve itself is not present, yet valve flanges can still be perfectly welded, leaving a suitable valve position. This significantly reduces waste of manpower, machinery, materials, and energy, achieving cost reduction and efficiency improvement. Compared to existing technologies, this solution can replace the valve for construction work simply by knowing the valve parameters. Even when the valve is present, tooling can be used to protect it. After welding the valve flange, the tooling can be removed before installing the valve, allowing for installation on demand and disassembly when not in use. This convenient and efficient approach greatly saves costs and optimizes the construction process.
[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent changes and modifications made in accordance with the scope of the claims of this utility model should fall within the technical scope of this utility model.
Claims
1. A valve replacement tooling component for engineering construction, characterized in that: It includes a flange docking device (1), a rotatable device (2), a fine-tuning device (3), and an extension section (4); The flange connection device (1) includes a flange blind plate (5) and an internal thread retainer (6). The internal thread retainer (6) is located on one side of the flange blind plate (5) and is coaxially fixedly connected to the flange blind plate (5). The rotatable device (2) includes an external thread bearing sleeve (7), an internal bearing (8) and a bearing inner thread tube (9). The external thread bearing sleeve (7) is coaxially threaded with the internal thread retainer (6). The bearing inner thread tube (9) is coaxially arranged with the internal bearing (8). One end of the bearing inner thread tube (9) is fixedly connected to the bearing inner ring of the internal bearing (8). An extension section (4) is provided at the other end of the bearing inner thread tube (9) and is coaxial with the bearing inner thread tube (9). The adjustable device (3) includes an adjustable external thread straight section (10), which is located inside the bearing inner thread tube (9) and is coaxially threaded to the bearing inner thread tube (9). One end of the adjustable external thread straight section (10) is fixedly connected to the extension section (4).
2. The valve replacement tooling for engineering construction according to claim 1, characterized in that: Both ends of the extension section (4) are equipped with flange docking device (1), rotatable device (2) and fine-tuning device (3).
3. The valve replacement tooling for engineering construction according to claim 1, characterized in that: The adjustable external threaded direct (10) and the extension section (4) are provided with screw through holes (11), and a screw is inserted in the screw through holes (11). A wing bolt assembly (12) is provided on the screw. The screw and the wing bolt assembly (12) fix the adjustable external threaded direct (10) and the extension section (4).
4. The valve replacement tooling for engineering construction according to claim 1, characterized in that: The flange blind plate (5) is matched with the size of the valve flange to be replaced.
5. The valve replacement tooling for engineering construction according to claim 1, characterized in that: The extension section (4) has the same diameter as the inner wire tube (9) of the bearing.
6. The valve replacement tooling for engineering construction according to claim 1, characterized in that: A fixed disc nut (13) is fixedly connected to the outside of the inner wire tube (9) of the bearing. The fixed disc nut (13) drives the inner wire tube (9) of the bearing to rotate, thereby driving the adjustable outer wire (10) to move axially.
7. The valve replacement tooling for engineering construction according to claim 1, characterized in that: The outer threaded bearing sleeve (7) is welded and fixed to the outer ring of the inner bearing (8).
8. The valve replacement tooling for engineering construction according to claim 7, characterized in that: The outer ring diameter of the inner bearing (8) is 1-2 mm smaller than the diameter of the outer thread bearing sleeve (7).
9. The valve replacement tooling for engineering construction according to claim 6, characterized in that: The bearing housing has two axially symmetrical fixed disc nuts (13) on the inner wire tube (9).