Quick fixing device for small pipe fitting polishing
By designing the pipe fittings with four-link mechanism and compression mechanism, the problem of the lack of rapid fixation of small pipe fittings during grinding is solved, and rapid compression and loosening is achieved, adapting to pipe fittings of different sizes and angles is improved, and construction efficiency is improved.
Patent Information
- Application Number
- CN202422003317.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The lack of rapid fixing devices for small pipe fittings during grinding in the prior art, resulting in construction difficulties.
A small pipe fitting quick fixing device is designed, using a four-link mechanism and a compression mechanism. Through the threaded connection of the connecting rod group, arm rod and compression rod, combined with the design of handle and convex plate slots, the pipe fittings can be quickly compressed and loosened.
It realizes rapid fixing and loosening of small pipe fittings, adapts to pipe fittings of different sizes and angles, is easy to use and improves construction efficiency.
Smart Images

Figure CN223057457U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fixing devices, in particular to a small pipe fitting grinding quick-fixing device. Background Technique
[0002] At present, many nuclear power plants have been built in China, including Daya Bay Nuclear Power, Yangjiang Nuclear Power, Fangchenggang Nuclear Power, Rongcheng Nuclear Power, Haiyang Nuclear Power, Lianyungang Nuclear Power and so on. Currently, San'ao Nuclear Power, Taipingling Nuclear Power, Zhanjiang Nuclear Power, etc. are under construction.
[0003] The installation of the nuclear island auxiliary pipeline (EM4) has a large amount of work, complex processes, numerous interfaces, and difficult construction conditions; when operating in the workshop or site, the connection of metal pipelines mainly relies on welding, and inevitably involves a lot of small pipe fitting grinding operations; such as guard plates, elbows, tees, BOSS heads, short pipes, fixing blocks, etc., and these pipe accessories need to be slightly ground in the workshop and construction site; however, there is no device for quickly fixing small pipe fittings during grinding in the prior art. Content of the Utility Model
[0004] The main purpose of the utility model is to provide a small pipe fitting grinding quick-fixing device to solve the problem that there is no device for quickly fixing small pipe fittings during grinding in the above-mentioned prior art.
[0005] To achieve the above purpose, the utility model provides a small pipe fitting grinding quick-fixing device, which includes a grinding table, a base fixedly connected to the grinding table, a connecting rod group hinged to the base, the connecting rod group and the base jointly form a four-bar mechanism, and the connecting rod group is connected with a pressing mechanism for pressing the pipe fitting and a handle for driving the connecting rod group to move.
[0006] Further, the pressing mechanism includes an arm rod, a pressing rod perpendicularly and fixedly connected to the arm rod, and a pressing plate fixedly connected to the bottom of the pressing rod, and an arc-shaped groove is provided at the bottom of the pressing plate.
[0007] Further, the arm rod and the pressing rod are in threaded connection, the pressing plate and the pressing rod are in threaded connection, and a rotating handle is fixedly connected to the top of the pressing rod.
[0008] Further, the connecting rod group includes a first connecting rod, a second connecting rod, and a third connecting rod hinged in sequence, the first connecting rod and the third connecting rod are hinged to the base, the first connecting rod is fixedly connected with the pressing mechanism, and the third connecting rod is fixedly connected with the handle.
[0009] Further, a triangular convex plate is provided on the base, and a slot for inserting the convex plate is provided on the third connecting rod.
[0010] The utility model can quickly clamp and loosen pipe fittings by setting a connecting rod group; by threadedly connecting the arm rod and the pressing rod, the position of the pressing plate can be adjusted to adapt to pipe fittings of different sizes; by threadedly connecting the pressing plate and the pressing rod, the angle of the pressing plate can be adjusted to facilitate clamping of the pipe fittings; by setting a convex plate and a slot, the pressing plate can be fixed after clamping the pipe fittings; by setting a handle, the connecting rod group can be pulled by the handle to adjust the pressing plate.
[0011] The utility model can quickly fix and loosen small pipe fittings, and is convenient to use. Description of the Drawings
[0012] The accompanying drawings forming a part of this application are used to provide a further understanding of the utility model. The schematic embodiments and descriptions thereof of the utility model are used to explain the utility model and do not constitute an improper limitation to the utility model.
[0013] Figure 1 It is a schematic structural diagram when the small pipe fitting grinding quick-fixing device in the embodiment clamps the pipe fitting;
[0014] Figure 2 It is a schematic structural diagram when the small pipe fitting grinding quick-fixing device in the embodiment loosens the pipe fitting;
[0015] In the figure: 1, grinding table; 2, base; 201, convex plate; 3, connecting rod group; 301, connecting rod one; 302, connecting rod two; 303, connecting rod three; 4, pressing mechanism; 401, arm rod; 402, pressing rod; 403, pressing plate; 404, arc-shaped groove; 405, rotating handle; 5, handle. Detailed Embodiments
[0016] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
[0017] As Figures 1 to 2 shown, according to an embodiment of the utility model, a small pipe fitting grinding quick-fixing device is provided, which includes a grinding table 1, a base 2 fixedly connected to the grinding table 1, a connecting rod group 3 hinged to the base 2, the connecting rod group 3 and the base 2 together form a four-bar mechanism, the connecting rod group 3 is connected with a pressing mechanism 4 for pressing the pipe fitting and a handle 5 for driving the connecting rod group 3 to move; by setting the connecting rod group 3, the pipe fitting can be quickly clamped and loosened.
[0018] The pressing mechanism 4 includes an arm rod 401, a pressing rod 402 perpendicularly and fixedly connected to the arm rod 401, and a pressing plate 403 fixedly connected to the bottom of the pressing rod 402, and an arc-shaped groove 404 is provided at the bottom of the pressing plate 403.
[0019] The boom 401 and the pressure rod 402 are threadedly connected, the pressing plate 403 and the pressure rod 402 are threadedly connected, and a rotating handle 405 is fixedly connected to the top of the pressure rod 402; by the threaded connection between the boom 401 and the pressure rod 402, the position of the pressing plate 403 can be adjusted to adapt to pipe fittings of different sizes; by the threaded connection between the pressing plate 403 and the pressure rod 402, the angle of the pressing plate 403 can be adjusted to facilitate the pressing of the pipe fittings.
[0020] The connecting rod group 3 includes a first connecting rod 301, a second connecting rod 302, and a third connecting rod 303 that are sequentially hinged. The first connecting rod 301 and the third connecting rod 303 are hinged to the base 2. The first connecting rod 301 is perpendicularly and fixedly connected to the boom 401 of the pressing mechanism 4, and the third connecting rod 303 is fixedly connected to the handle 5; by providing the handle 5, the connecting rod group 3 is pulled by the handle 5 to adjust the pressing plate 403.
[0021] A triangular convex plate 201 is provided on the base 2, and a slot for inserting the convex plate 201 is provided on the third connecting rod 303; by providing the convex plate 201 and the slot, the pressing plate 403 can be fixed after the pressing plate 403 presses the pipe fitting.
[0022] When the above-mentioned embodiment is in use, the handle 5 is pulled back and forth to drive the connecting rod group 3 to move, thereby driving the pressing plate 403 to move, so as to press and release the pipe fitting; when the pipe fitting is pressed, the convex plate 201 and the slot are inserted to fix the pressing plate 403; at the same time, after the convex plate 201 and the slot are inserted, the gravity of the second connecting rod 302 and the handle 5 also presses on the third connecting rod 303, making the insertion of the convex plate 201 and the slot more stable.
[0023] The utility model can realize the rapid fixing and releasing of small pipe fittings, and is convenient to use.
[0024] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A small pipe fitting grinding and rapid fixing device, comprising a grinding table (1), characterized in that, A base (2) is fixedly connected to the grinding table (1). A connecting rod group (3) is hinged to the base (2). The connecting rod group (3) and the base (2) together form a four-bar linkage mechanism. The connecting rod group (3) is connected to a pressing mechanism (4) for pressing the pipe fitting and a handle (5) for driving the connecting rod group (3) to move.
2. The small pipe fitting grinding and rapid fixing device according to claim 1, characterized in that, The pressing mechanism (4) includes an arm rod (401), a pressing rod (402) fixedly connected perpendicular to the arm rod (401), and a pressing plate (403) fixedly connected to the bottom of the pressing rod (402). An arc-shaped groove (404) is provided at the bottom of the pressing plate (403).
3. The small pipe fitting grinding quick fixing device according to claim 2, characterized in that, The arm rod (401) and the pressing rod (402) are in threaded connection. The pressing plate (403) and the pressing rod (402) are in threaded connection. A rotating handle (405) is fixedly connected to the top of the pressing rod (402).
4. The small pipe fitting grinding and quick fixing device according to claim 1, characterized in that, The connecting rod group (3) includes a first connecting rod (301), a second connecting rod (302), and a third connecting rod (303) that are sequentially hinged. The first connecting rod (301) and the third connecting rod (303) are hinged to the base (2). The first connecting rod (301) is fixedly connected to the pressing mechanism (4). The third connecting rod (303) is fixedly connected to the handle (5).
5. The small pipe fitting grinding quick fixing device according to claim 4, characterized in that, A triangular convex plate (201) is provided on the base (2). A slot for inserting the convex plate (201) is provided on the third connecting rod (303).