Test bench for pipeline airtightness detection
By designing a test bench for airtight testing of pipelines including electric telescopic rods and sealing heads of different specifications, the problem of inconvenience in detecting pipes of different pipe diameters in the prior art is solved, and high-versatility and fast airtight testing are achieved.
Patent Information
- Application Number
- CN202421725283.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing airtightness detection devices have low versatility and cannot conveniently detect pipes of different pipe diameters, which are inconvenient and inflexible.
A test bench for airtight testing of pipelines is designed, including component frames, frame bases, component columns, electric telescopic rods and sealing heads of different specifications. The electric telescopic rods and air pumps are electrically controlled by the control mechanism to detect pipes of different pipe diameters.
This test bench can be used for pipes of different pipe diameters, and is highly versatile and can detect multiple pipes at the same time. The entire inspection process is electric and controlled, making it easy to use.
Smart Images
Figure CN222774223U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a test bench, in particular to a test bench for pipeline air tightness detection. Background Art
[0002] Pipeline is a device connected by pipes, pipe connectors and valves for conveying gas, liquid or fluid with solid particles. In the process of casting pipeline products, sometimes there will be defects such as shrinkage holes and cracks, which will lead to poor air tightness of castings during use, affecting performance and even causing accidents during use. Therefore, it is necessary to conduct air tightness test on the pipelines leaving the factory.
[0003] There are some problems with the air tightness detection devices on the market: the versatility of air tightness detection devices is low. When detecting pipes of different diameters, different air tightness detection devices are required, and the size of the detection end of the same detection device cannot be changed, so these detection devices are inconvenient to use. Utility Model Content
[0004] The utility model aims to provide a test bench for pipeline air tightness detection to solve the problems raised in the above-mentioned background technology.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a test bench for pipeline airtightness detection, comprising a component rack and a rack base, component columns are respectively arranged on opposite sides of the component rack, a first fixed plugging head, a second fixed plugging head and a third fixed plugging head are fixed on the component column on one side in sequence from top to bottom, and three electric telescopic rods are correspondingly fixed on the component column on the other side in sequence from top to bottom, and the telescopic ends of the three electric telescopic rods are respectively installed with a first movable plugging head, a second movable plugging head and a third movable plugging head;
[0006] The first movable plugging head, the second movable plugging head and the third movable plugging head are respectively provided with soft air pipes, on which pressure gauges and valves are respectively provided, and the soft air pipes pass through the component column to be connected with the air pipe, and the air pipe is installed on an air pump arranged in the frame base.
[0007] A control mechanism is provided on the frame base, and the control mechanism is electrically connected to the three different electric telescopic rods respectively, and is also electrically connected to the air pump at the same time, and can control the three different electric telescopic rods and the air pump respectively.
[0008] The first movable plugging head, the second movable plugging head and the third movable plugging head are fixedly connected to the telescopic end of the electric telescopic rod through a triangular balancing piece.
[0009] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model is provided with plugging heads of different specifications, which can be suitable for pipes of different diameters, can detect multiple pipes at the same time, has strong versatility, and the entire detection process is electrically controlled by a control mechanism, so the detection is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. In the accompanying drawings:
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of a movable plugging head in the utility model;
[0013] Figure 3 It is a state diagram of the utility model used for pipeline detection;
[0014] In the figure: 1 component frame; 2 frame base; 3 component column; 4 first fixed plugging head; 5 second fixed plugging head; 6 third fixed plugging head; 7 electric telescopic rod; 8 first movable plugging head; 9 second movable plugging head; 10 third movable plugging head; 11 soft air pipe; 12 pressure gauge; 13 valve; 14 air pipe; 15 air pump; 16 control mechanism; 17 triangular balance piece; 18 air hole; 19 pipeline. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figure 1The utility model provides a technical solution: a test bench for pipeline airtightness detection, including a component rack 1 and a rack base 2, component columns 3 are respectively arranged on opposite sides of the component rack 1, a first fixed plugging head 4, a second fixed plugging head 5 and a third fixed plugging head 6 are fixed on the component column 3 on one side from top to bottom, and three electric telescopic rods 7 are correspondingly fixed on the component column 3 on the other side from top to bottom, and the telescopic ends of the three electric telescopic rods 7 are respectively installed with a first movable plugging head 8, a second movable plugging head 9 and a third movable plugging head 10, the first movable plugging head 8, the second movable plugging head 9 and The third movable plugging head 10 is respectively provided with a soft air pipe 11, and the soft air pipe 11 is respectively provided with a pressure gauge 12 and a valve 13, and the soft air pipe 11 passes through the component column 3 to be connected with the air pipe 14, and the air pipe 14 is installed on an air pump 15 arranged in the frame base 2, and the frame base 2 is provided with a control mechanism 16, which is electrically connected to the three different electric telescopic rods 7 respectively, and is also electrically connected to the air pump 15, and can control the three different electric telescopic rods 7 and the air pump 15 respectively, and the first movable plugging head 8, the second movable plugging head 9 and the third movable plugging head 10 are provided with air holes 18.
[0017] The specific working principle of this application: Figure 3 As shown, one end of three pipes 19 of different specifications (different pipe diameters) are placed on the first fixed plugging head 4, the second fixed plugging head 5 and the third fixed plugging head 6 one by one, and the three electric telescopic rods 7 are started one by one to clamp the three pipes 19 of different specifications through the first movable plugging head 8, the second movable plugging head 9 and the third movable plugging head 10, and the two ends of the pipes 19 are blocked, and then the valve 13 is opened, and the air pump 15 is started to inject gas into the inner cavity of the pipe 19, and the value on the pressure gauge 12 is recorded at this time. After the air pump stops delivering air, the valve 13 is closed, and after a predetermined measuring time, the value of the pressure gauge 12 is checked again to see if there is any change, so as to determine whether the pipe is leaking.
[0018] The first movable plugging head 8, the second movable plugging head 9 and the third movable plugging head 10 are fixedly connected to the telescopic end of the electric telescopic rod 7 through the triangular balancing piece 17. The thrust of the electric telescopic rod 7 can be balancedly distributed on the first movable plugging head 8, the second movable plugging head 9 and the third movable plugging head 10 through the triangular balancing piece 17, thereby making the two ends of the pipeline 19 highly sealed.
[0019] It should be noted that relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises", or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article, or device.
[0020] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A test bench for pipeline air tightness detection, comprising a component rack (1) and a rack base (2), characterized in that: Component columns (3) are respectively arranged on opposite sides of the component frame (1); a first fixed plugging head (4), a second fixed plugging head (5) and a third fixed plugging head (6) are fixed in sequence from top to bottom on the component column (3) on one side; three electric telescopic rods (7) are correspondingly fixed in sequence from top to bottom on the component column (3) on the other side; and a first movable plugging head (8), a second movable plugging head (9) and a third movable plugging head (10) are respectively installed at the telescopic ends of the three electric telescopic rods (7); The first movable plugging head (8), the second movable plugging head (9) and the third movable plugging head (10) are respectively provided with a soft air pipe (11), and the soft air pipe (11) is respectively provided with a pressure gauge (12) and a valve (13), and the soft air pipe (11) passes through the component column (3) and is connected to an air supply pipe (14), and the air supply pipe (14) is installed on an air pump (15) arranged in the frame base (2).
2. A test bench for pipeline air tightness detection according to claim 1, characterized in that: A control mechanism (16) is provided on the frame base (2). The control mechanism (16) is electrically connected to the three different electric telescopic rods (7) respectively, and is also electrically connected to the air pump (15) at the same time. The control mechanism (16) can control the three different electric telescopic rods (7) and the air pump (15) respectively.
3. A test bench for pipeline air tightness detection according to claim 1, characterized in that: The first movable plugging head (8), the second movable plugging head (9) and the third movable plugging head (10) are fixedly connected to the telescopic end of the electric telescopic rod (7) via a triangular balancing piece (17).