Auxiliary safety device for maintenance operation of special equipment
By designing auxiliary safety devices such as support frames, guide rails, and limit mechanisms, the problem of difficult positioning of pressure pipeline connection flanges was solved, achieving rapid and accurate positioning and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-03-13
AI Technical Summary
When maintaining existing pressure pipelines, it is difficult to keep multiple support devices aligned, which makes it difficult to quickly position and install connecting flanges.
An auxiliary safety device was designed, comprising a support frame, a guide rail, a movable frame, a limiting mechanism, and a buffer spring. The guide rail and the limiting mechanism ensure pipe alignment, while the buffer spring prevents excessive clamping force from causing pipe deformation.
It enables rapid and accurate positioning and installation of pipe connection flanges, improving the practicality and safety of operation and preventing pipe deformation.
Smart Images
Figure CN223989411U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of special equipment maintenance technology, specifically an auxiliary safety device for special equipment maintenance operations. Background Technology
[0002] Special equipment refers to eight categories of equipment that involve life safety and are highly dangerous, including boilers, pressure vessels (including gas cylinders), pressure pipelines, elevators, lifting machinery, passenger ropeways, large amusement facilities, and special motor vehicles for use in factories and plants. Special equipment is generally large in size and heavy in weight, and requires auxiliary devices for maintenance.
[0003] Pressure pipelines are also special equipment. When replacing pressure pipelines, workers need to use auxiliary support devices at the flange interfaces of the pipelines to lift them up for easy installation. During operation, support devices are provided at the bottom of the two pipelines to be connected. The support devices make the pressure pipelines level, and then the bolts can be fixed by aligning the connection holes. However, in actual use, it is difficult to control the fixed position of the pipelines using two support devices in the traditional way, making it inconvenient to quickly position and install the connecting flanges on the two pipelines. In addition, sometimes workers need to loosen the fixation and push the pipelines slightly, which is quite troublesome.
[0004] Therefore, we propose an auxiliary safety device for special equipment maintenance operations. Utility Model Content
[0005] One of the technical problems this application aims to solve is that the existing method of using multiple support devices to erect pressure pipelines for installation requires ensuring that the two support devices are aligned, which makes it difficult to control the alignment of the supports and inconvenient to quickly position and install the connecting flanges on the two pipelines.
[0006] To address the aforementioned technical problems, this application provides an auxiliary safety device for special equipment maintenance operations, comprising a support frame, a symmetrically distributed guide rail on the top of the support frame, and a symmetrically distributed movable frame slidably mounted on the guide rail; a fixed plate on the top of the support frame, the fixed plate being located in the middle of the support frame; and a limiting mechanism; the limiting mechanism is disposed on the top of the support frame via a pair of support plates, and is used to limit the pressure pipeline.
[0007] In some embodiments, the limiting mechanism further includes a bidirectional lead screw rotatably mounted on the support plate, one end of the bidirectional lead screw being provided with an operating wheel, two movable frames being threadedly connected to the bidirectional lead screw, a mounting plate being provided on the top of the movable frame, a plurality of positioning rods being mounted on the mounting plate, insertion holes adapted to the positioning rods being provided on the mounting plate, positioning clamps being provided at the ends of the positioning rods, and the positioning clamps on the two mounting plates being symmetrically distributed.
[0008] In some embodiments, the positioning clamp is provided with a screw seat, the positioning rod is provided with a screw connector that mates with the screw seat, a buffer spring is sleeved around the outside of the positioning rod, the buffer spring is connected to the mounting plate and the screw seat respectively, and a second positioning port is provided between the two positioning clamps located on the same mounting plate.
[0009] In some embodiments, a pair of support clips are provided on the top of the fixing plate, and both the positioning plate and the support clips are arc-shaped structures.
[0010] In some embodiments, a positioning notch is provided in the middle of the mounting plate.
[0011] In some embodiments, a positioning port is provided between the two support clips.
[0012] In some embodiments, the positioning clamp is provided with a plurality of evenly distributed first anti-slip rubber strips, and the support clamp is provided with a plurality of evenly distributed second anti-slip rubber strips.
[0013] This utility model has at least the following beneficial effects:
[0014] 1. Through the integrated design, the two pipes to be connected are installed on the support clamp and limited by the positioning clamp, so that the connecting flange on the pipe is in the positioning notch, positioning port 1 and positioning port 2, which facilitates adjustment and precise positioning, and makes it easy to realize bolt installation operation in the positioning notch, positioning port 1 and positioning port 2. In addition, the device is simple to operate, eliminates the need to install multiple support devices, and improves practicality.
[0015] 2. The buffer spring and positioning rod provide a buffering effect, preventing the pipe from being squeezed and deformed due to excessive clamping force, thus improving safety and practicality. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the isometric three-dimensional structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the structure after the positioning rod has been disassembled.
[0019] Figure 4 for Figure 3 Enlarged structural diagram at point A in the diagram;
[0020] Figure 5 This is a schematic diagram of the structure of Embodiment 2 of this utility model.
[0021] In the diagram: 1. Support frame; 2. Guide rail; 3. Limiting mechanism; 301. Support plate; 4. Movable frame; 5. Two-way lead screw; 6. Fixed plate; 7. Support clamp; 8. Operating wheel; 9. Mounting plate; 10. Positioning rod; 11. Positioning clamp; 12. Positioning notch; 13. Positioning port 1; 14. Positioning port 2; 15. Buffer spring; 16. Threaded connector; 17. Insertion hole; 18. Threaded seat; 19. Anti-slip strip 1; 20. Anti-slip strip 2. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1:
[0024] Please see Figures 1 to 4 The technical solution provided by this utility model is as follows: an auxiliary safety device for special equipment maintenance operations, including a support frame 1, a guide rail 2 symmetrically distributed on the top of the support frame 1, and a movable frame 4 symmetrically distributed on the guide rail 2; a fixing plate 6 is provided on the top of the support frame 1, and the fixing plate 6 is located in the middle of the support frame 1; it also includes a limiting mechanism 3; the limiting mechanism 3 is provided on the top of the support frame 1 through a pair of support plates 301 in the limiting mechanism 3, and is used to limit the pressure pipeline.
[0025] In this embodiment, as Figure 1 and Figure 2 As shown, the limiting mechanism 3 also includes a bidirectional lead screw 5 rotatably mounted on the support plate 301. One end of the bidirectional lead screw 5 is provided with an operating wheel 8. Two movable frames 4 are threadedly connected to the bidirectional lead screw 5. A mounting plate 9 is provided on the top of the movable frame 4. Multiple positioning rods 10 are mounted on the mounting plate 9. Insertion holes 17 adapted to the positioning rods 10 are provided on the mounting plate 9. Positioning clamps 11 are provided at the ends of the positioning rods 10. The positioning clamps 11 on the two mounting plates 9 are symmetrically distributed. A positioning notch 12 is provided in the middle of the mounting plate 9.
[0026] In this embodiment, as Figure 3 and Figure 4As shown, a screw seat 18 is provided on the positioning clamp 11, and a screw connector 16 that mates with the screw seat 18 is provided on the positioning rod 10. A buffer spring 15 is sleeved around the outside of the positioning rod 10. The buffer spring 15 is connected to the mounting plate 9 and the screw seat 18 respectively. A second positioning port 14 is provided between the two positioning clamps 11 on the same mounting plate 9. When the positioning clamps 11 on both sides press the pressure pipe, the buffer spring 15 is compressed, so that the positioning clamp 11 has a buffering function, which is convenient for use with pipes of different thicknesses. It can prevent the severely corroded pipes from being damaged by pressure after long-term use, thus affecting the operation.
[0027] In this embodiment, as Figure 1 and Figure 2 As shown, a pair of support clips 7 are provided on the top of the fixing plate 6. Both the positioning clamping plate 11 and the support clips 7 are arc-shaped structures, and a No. 1 positioning port 13 is provided between the two support clips 7.
[0028] In this embodiment, as Figures 1 to 4 As shown, during operation, the device is placed on the ground, and then the two ends of the pipes to be connected are placed on the support clamps 7 respectively, so that the flanges of the two pipes are in the positioning notch 12, the first positioning port 13, and the second positioning port 14. The operating wheel 8 is rotated clockwise, and the double-acting screw 5 drives the moving frames 4 on both sides to move closer to each other until the positioning clamp 11 clamps the outer wall of the pipe. Through the integrated design, the two pipes to be connected are installed on the support clamps 7 and limited by the positioning clamp 11, so that the connecting flanges on the pipes are in the positioning notch 12, the first positioning port 13, and the second positioning port 14. This facilitates adjustment and precise positioning, and makes it easy to carry out bolt installation operations in the positioning notch 12, the first positioning port 13, and the second positioning port 14. In addition, the device is simple to operate, eliminates the need to install multiple support devices, and improves practicality.
[0029] Furthermore, the buffer spring 15 and the positioning rod 10 enable the positioning clamp 11 to have a buffering effect, preventing the pipe from being squeezed and deformed due to excessive clamping force, thus improving safety and practicality.
[0030] The implementation principle of an auxiliary safety device for special equipment maintenance operations according to an embodiment of this application is as follows: During operation, the device is placed on the ground, and then the two ends of the pipes to be connected are placed on the support clamps 7 respectively, so that the flanges of the two pipes are in the positioning notch 12, the first positioning port 13 and the second positioning port 14. The operating wheel 8 is rotated clockwise, and the double screw 5 drives the moving frames 4 on both sides to move closer to each other until the positioning clamp 11 clamps the outer wall of the pipe. Through the integral design, the two pipes to be connected are installed on the support clamps 7 and limited by the positioning clamp 11, so that the connecting flanges on the pipes are in the positioning notch 12, the first positioning port 13 and the second positioning port 14, which facilitates adjustment and precise positioning, and makes it easy to realize bolt installation operation in the positioning notch 12, the first positioning port 13 and the second positioning port 14. In addition, the device is simple to operate, eliminates the need to install multiple support devices, and improves practicality.
[0031] Furthermore, the buffer spring 15 and the positioning rod 10 enable the positioning clamp 11 to have a buffering effect, preventing the pipe from being squeezed and deformed due to excessive clamping force, thus improving safety and practicality.
[0032] Example 2:
[0033] Please see Figure 5 The technical solution provided by this utility model is as follows:
[0034] Unlike Embodiment 1, the positioning clamp 11 is provided with a plurality of evenly distributed first anti-slip rubber strips 19, and the support clamp 7 is provided with a plurality of evenly distributed second anti-slip rubber strips 20. The first anti-slip rubber strips 19 and the second anti-slip rubber strips 20 are made of rubber, which can increase friction and have the functions of anti-slip and protection.
[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.
Claims
1. An auxiliary safety device for maintenance work on special equipment, comprising a support frame (1), characterized in that: The top of the support frame (1) is provided with symmetrically distributed guide rails (2), on which symmetrically distributed moving frames (4) are slidingly installed. The top of the support frame (1) is provided with a fixed plate (6) located in the middle of the support frame (1). It also includes a limiting mechanism (3). The limiting mechanism (3) is provided on the top of the support frame (1) through a pair of support plates (301) in the limiting mechanism (3), which is used for limiting the pressure pipeline.
2. The auxiliary safety device for maintenance work of special equipment according to claim 1, characterized in that: The limiting mechanism (3) further includes a bidirectional screw rod (5) rotatably arranged on the support plate (301), one end of the bidirectional screw rod (5) is provided with an operating wheel (8), two moving frames (4) are threadedly connected with the bidirectional screw rod (5), an installation stand plate (9) is arranged on the top of the moving frame (4), a plurality of positioning rods (10) are installed on the installation stand plate (9), a plug hole (17) adapted to the positioning rod (10) is formed on the installation stand plate (9), the end of the positioning rod (10) is provided with a positioning clamp plate (11), the positioning clamp plates (11) on the two installation stand plates (9) are symmetrically distributed.
3. The auxiliary safety device for maintenance work of special equipment according to claim 2, characterized in that: The positioning clamp plate (11) is provided with a screw seat (18), the positioning rod (10) is provided with a screw joint (16) matched with the screw seat (18), a buffer spring (15) is sleeved outside the positioning rod (10), the buffer spring (15) is connected with the installation stand plate (9) and the screw seat (18) respectively, a second positioning hole (14) is arranged between the two positioning clamp plates (11) on the same installation stand plate (9).
4. The auxiliary safety device for maintenance work of special equipment according to claim 3, characterized in that: The top of the fixed plate (6) is provided with a pair of support clamping pieces (7), the positioning clamp plate (11) and the support clamping piece (7) are both arc-shaped structures.
5. The auxiliary safety device for maintenance work of special equipment according to claim 4, characterized in that: A positioning notch (12) is formed in the middle of the installation stand plate (9).
6. The auxiliary safety device for maintenance work of special equipment according to claim 5, characterized in that: A first positioning hole (13) is arranged between the two support clamping pieces (7).
7. The auxiliary safety device for maintenance work of special equipment according to claim 6, characterized in that: A plurality of uniformly distributed first anti-skid rubber strips (19) are arranged on the positioning clamp plate (11), a plurality of uniformly distributed second anti-skid rubber strips (20) are arranged on the support clamping piece (7).