A valve stem fixing device for pressurized maintenance

Abstract

This utility model discloses a pressurized maintenance valve stem fixing device, including a base. Multiple sets of electrically operated lifting rods for supporting the base are symmetrically installed on both sides of the base. An electrically operated telescopic rod is fixedly installed at the upper end of the base. A fixing frame is fixedly installed at the upper end of the electrically operated telescopic rod. A connecting frame is fixedly installed at the end of the fixing frame away from the electrically operated telescopic rod. Two hydraulic telescopic rods are installed on the connecting frame, with their telescopic ends facing each other and each equipped with a clamping frame. A storage box, handles, a light, and a power supply compartment are also fixedly installed on the base. The handles are symmetrically arranged on both sides of the storage box. This utility model, by setting up clamping frames, hydraulic telescopic rods, and electrically operated telescopic rods, allows for automatic height adjustment and automatic clamping through the hydraulic and electric telescopic rods. No manual installation or disassembly is required during use, simplifying operation and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of valve stem technology, specifically to a valve stem fixing device for pressurized maintenance. Background Technology

[0002] The valve stem is a crucial component of a valve, used for transmission. It connects to the actuator or handle at the top and directly drives the valve core to move or rotate, thus achieving the valve's opening, closing, or regulating function. During valve maintenance, which is typically done under pressure, the valve stem needs to be secured to prevent accidental contact that could cause the valve to open and leak. Furthermore, the valve stem is susceptible to pressure damage, which could cause it to detach, resulting in wasted resources and potential safety hazards.

[0003] For example, utility model patent application number CN201820721702.2 discloses a valve stem fixing device, which includes a fixing device consisting of a left fixing block and a right fixing block. The fixing device has a valve stem hole in the center, which is a circular threaded hole. The fixing device also has a connecting hole on its side. This valve stem fixing device has a simple structure, is convenient and quick to use, and can effectively fix the valve stem, improve the efficiency of valve stem nut replacement, and greatly reduce the risk of valve damage during valve stem nut replacement in operation. It has extremely high practical value.

[0004] Although this valve stem fixing device has a simple structure and improves the efficiency of valve stem nut replacement, it requires manual installation and disassembly during use, which is cumbersome and inefficient; further improvement is needed. Utility Model Content

[0005] The purpose of this utility model is to provide a valve stem fixing device for pressurized maintenance, which aims to improve the problem that valve stem fixing devices require manual installation and disassembly during use, resulting in cumbersome operation and low work efficiency.

[0006] This utility model is implemented as follows: A pressurized maintenance valve stem fixing device includes a base. Multiple sets of electric lifting rods for supporting the base are symmetrically installed on both sides of the base. An electric telescopic rod is fixedly installed at the upper end of the base. A fixing frame is fixedly installed at the upper end of the electric telescopic rod. A connecting frame is fixedly installed at the end of the fixing frame away from the electric telescopic rod. Two hydraulic telescopic rods are installed on the connecting frame, with their telescopic ends facing each other and each equipped with a clamping frame. A storage box, handles, a light, and a power supply compartment are also fixedly installed on the base. The handles are symmetrically arranged on both sides of the storage box.

[0007] Preferably, multiple sets of mounting seats are symmetrically arranged on both sides of the base, the telescopic end of the electric lifting rod is fixedly installed downward in the mounting seat, and the telescopic end of the electric lifting rod is provided with a buffer pad.

[0008] Preferably, the lower end face of the base is also provided with a plurality of casters.

[0009] Preferably, the opposing surfaces of the two clamping frames are provided with clamping grooves adapted to the valve stem, and a positioning rod is fixedly provided on one side of the opposing surfaces of the two clamping frames, and a positioning groove adapted to the positioning rod is provided on the other side.

[0010] Preferably, the storage box includes a partition, and the interior of the storage box is provided with multiple sets of spaces separated by the partition.

[0011] Preferably, a support rod is fixedly provided on the upper end of the base, and a lighting lamp is fixedly installed on the upper end of the support rod.

[0012] Preferably, a charging port is provided on the side of the power compartment, the charging port adopts a magnetic structure, and a power display and a plug are provided on one side of the power compartment.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, by setting up a clamping frame, a hydraulic telescopic rod, and an electric telescopic rod, can automatically adjust the height and automatically clamp the object through the hydraulic telescopic rod and the electric telescopic rod. During use, no manual installation or disassembly is required, the operation is simple, and it helps to improve work efficiency.

[0015] 2. This utility model, by setting up a storage box and a light, allows for convenient storage and retrieval of tools during the work process, while the light provides illumination, which is helpful for working in dim environments.

[0016] 3. This utility model can facilitate the use of power during operation by setting up a power supply compartment, an electric lifting rod and casters, and at the same time help move and position the equipment. Attached Figure Description

[0017] Figure 1 This is a side view of the structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 3 This is a three-dimensional structural diagram of the bottom of this utility model;

[0020] Figure 4 This is a top-view three-dimensional structural diagram of the present invention.

[0021] In the diagram: 1. Storage box; 2. Handle; 3. Lighting; 4. Fixing frame; 5. Clamping frame; 501. Clamping slot; 502. Positioning rod; 503. Positioning slot; 6. Hydraulic telescopic rod; 7. Connecting frame; 8. Electric telescopic rod; 9. Electric lifting rod; 10. Mounting base; 11. Partition; 12. Casters; 13. Support rod; 14. Power supply compartment; 15. Base; 16. Buffer pad; 17. Charging port; 18. Power indicator; 19. Power strip. Detailed implementation method:

[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0024] Example 1

[0025] like Figures 1-4As shown, a pressure-operated maintenance valve stem fixing device includes a base 15. Multiple sets of electric lifting rods 9 for supporting the base 15 are symmetrically installed on both sides of the base 15. The lower ends of the electric lifting rods 9 are at the same horizontal plane. Two sets of mounting seats 10 are symmetrically arranged on both sides of the base 15. The telescopic ends of the electric lifting rods 9 are fixedly installed downwards in the mounting seats 10, and the telescopic ends of the electric lifting rods 9 are provided with buffer pads 16, the bottom of which is provided with anti-slip textures. Four casters 12 are also stacked on the lower end surface of the base 15, with the electric lifting rods 9 and casters 12 located at the four corners of the base 15. The upper end of the base 15 is fixedly installed with… An electric telescopic rod 8 is provided, and a fixing frame 4 is fixedly installed at the upper end of the electric telescopic rod 8. The fixing frame 4 is a horizontal bar structure. The end of the fixing frame 4 away from the electric telescopic rod 8 extends to the outside of the base 15. A connecting frame 7 is fixedly installed at the end of the fixing frame 4 away from the electric telescopic rod 8. Two hydraulic telescopic rods 6 are provided on the connecting frame 7. The telescopic ends of the two hydraulic telescopic rods 6 are arranged opposite each other and each is equipped with a clamping frame 5. The opposite surfaces of the two clamping frames 5 are provided with clamping grooves 501 that are adapted to the valve stem. A positioning rod 502 is fixedly installed on one side of the opposite surface of the two clamping frames 5, and a positioning groove 503 adapted to the positioning rod 502 is provided on the other side. The base The base 15 is also fixedly equipped with a storage box 1, a handle 2, a light 3, and a power compartment 14. The handle 2 is symmetrically arranged on both sides of the storage box 1. The storage box 1 includes a partition 11, and the interior of the storage box 1 is divided into multiple spaces by the partition 11. A support rod 13 is fixedly installed on the upper end of the base 15, and a light 3 is fixedly installed on the upper end of the support rod 13. A charging port 17 is provided on the side of the power compartment 14. The charging port 17 adopts a magnetic structure. A power indicator 18 and a plug 19 are provided on one side of the power compartment 14. A battery pack is installed inside the power compartment 14, which can provide energy for the operation of the device. It can also be inserted through the plug 19. The connector of the external device supplies power to the external device, enabling it to be used normally in the field; the internal space of the storage box 1 can store heavy tools for quick access when in use, and the top cover can be closed after placement to prevent foreign objects from entering; a charging port 17 is provided on one side of the power compartment 14, and the charging port 17 adopts a magnetic design. A power display 18 is connected to one side of the power compartment 14. The charger is connected to the charging port 17 by magnetic means, which can avoid the short circuit caused by water splashing into the traditional plug-type charging port. The power display 18 can be used to observe the current real-time power level, making it easy to observe the charging status and remaining power.

[0026] Example 2

[0027] like Figures 1-4As shown, a pressurized maintenance valve stem fixing device includes a base 15. Multiple sets of electric lifting rods 9 for supporting the base 15 are symmetrically installed on both sides of the base 15. Multiple sets of mounting seats 10 are symmetrically arranged on both sides of the base 15. The telescopic ends of the electric lifting rods 9 are fixedly installed downwards in the mounting seats 10, and the telescopic ends of the electric lifting rods 9 are provided with buffer pads 16. Multiple casters 12 are also stacked on the lower end surface of the base 15. An electric telescopic rod 8 is fixedly installed on the upper end of the base 15. A fixing frame 4 is fixedly installed on the upper end of the electric telescopic rod 8. A connecting frame 7 is fixedly installed on the end of the fixing frame 4 away from the electric telescopic rod 8. Two hydraulic telescopic rods 6 are arranged on the connecting frame 7, with their telescopic ends facing each other, and each is equipped with a clamping frame 5. The two clamping frames 5 have clamping grooves 501 that are adapted to the valve stem on their opposite sides. One of the opposite sides of the two clamping frames 5 is fixedly provided with a positioning rod 502, and the other side is provided with a positioning groove 503 that is adapted to the positioning rod 502. The base 15 is also fixedly installed with a storage box 1, a handle 2, a light 3 and a power compartment 14. The handle 2 is symmetrically arranged on both sides of the storage box 1. The storage box 1 includes a partition 11. The interior of the storage box 1 is separated into multiple spaces by the partition 11. The upper end of the base 15 is fixedly provided with a support rod 13, and the upper end of the support rod 13 is fixedly installed with a light 3. The side of the power compartment 14 is provided with a charging port 17, which adopts a magnetic structure. The side of the power compartment 14 is provided with a power indicator 18 and a plug 19.

[0028] The working principle of this utility model is as follows: The device is moved by pushing the handle 2, and the position is adjusted via the casters 12. The electric lifting rod 9 lowers the buffer pad 16 to support the device, simultaneously lifting the casters 12 off the ground to prevent displacement caused by the casters 12 rotating on the ground during fixing. Then, the lighting 3 is turned on, and the height of the clamping frame 5 is adjusted via the electric telescopic rod 8. Once the clamping frame 5 is at the same height as the valve stem, the hydraulic telescopic rod 6 moves the two sets of clamping frames 5 together to clamp and fix the valve stem. The positioning rod 502 and positioning groove 503 prevent the clamping frame 5 from shifting during engagement, thus ensuring the valve stem is fixed. The power compartment 14 provides power for the device's operation, and external devices can be inserted through the insert plate 19. The internal space of the storage box 1 can store heavy tools for quick access during use. After placement, the top cover is closed to prevent foreign objects from entering.

[0029] In summary, this utility model, by setting up a clamping frame 5, a hydraulic telescopic rod 6, and an electric telescopic rod 8, allows for automatic height adjustment and clamping via the hydraulic telescopic rod 6 and the electric telescopic rod 8. No manual installation or disassembly is required during use, simplifying operation and improving work efficiency. The inclusion of a storage box 1 and a lighting lamp 3 facilitates convenient storage and retrieval of tools during operation, while the lighting lamp 3 provides illumination, aiding in work in dimly lit environments. The power supply compartment 14, the electric lifting rod 9, and the casters 12 facilitate power supply during operation and aid in equipment movement and positioning.

[0030] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A valve stem fixation device for use in hot tapping, comprising a base (15), characterized in that, Multiple sets of electric lifting rods (9) for supporting the base (15) are symmetrically installed on both sides of the base (15). An electric telescopic rod (8) is fixedly installed on the upper end of the base (15). A fixing frame (4) is fixedly installed on the upper end of the electric telescopic rod (8). A connecting frame (7) is fixedly installed on the end of the fixing frame (4) away from the electric telescopic rod (8). Two hydraulic telescopic rods (6) are installed on the connecting frame (7). The telescopic ends of the two hydraulic telescopic rods (6) are arranged opposite each other and each is equipped with a clamping frame (5). A storage box (1), a handle (2), a light (3) and a power compartment (14) are also fixedly installed on the base (15). The handle (2) is symmetrically arranged on both sides of the storage box (1).

2. A stem fixation device for a pressure-containing valve according to claim 1, wherein The base (15) has multiple sets of mounting seats (10) symmetrically arranged on both sides. The telescopic end of the electric lifting rod (9) is fixedly installed downward in the mounting seat (10), and the telescopic end of the electric lifting rod (9) is provided with a buffer pad (16).

3. A stem fixation device for a pressure-containing valve according to claim 1, wherein The lower end face of the base (15) is also provided with multiple casters (12).

4. A stem fixation device for a pressure-containing valve according to claim 1, wherein The two clamping frames (5) are provided with clamping grooves (501) that are adapted to the valve stem on their opposite sides. A positioning rod (502) is fixedly provided on one side of the two clamping frames (5) and a positioning groove (503) that is adapted to the positioning rod (502) is provided on the other side.

5. A stem fixation device for a pressure-containing valve according to claim 1, wherein The storage box (1) includes a partition (11), and the interior of the storage box (1) is provided with multiple spaces separated by the partition (11).

6. A stem fixation device for a pressure-containing valve according to claim 1, wherein A support rod (13) is fixedly installed on the upper end of the base (15), and a lighting lamp (3) is fixedly installed on the upper end of the support rod (13).

7. A stem fixation device for a pressure-containing valve according to claim 1, wherein The power compartment (14) has a charging port (17) on its side. The charging port (17) adopts a magnetic structure. The power display (18) and the plug (19) are provided on one side of the power compartment (14).

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