Pipeline air tightness detection device based on rubber air bag plugging

Abstract

The utility model discloses a pipeline air tightness detection device based on rubber air bag plugging, which relates to the technical field of pipeline air tightness detection and comprises a detection table, a sliding groove is arranged at the upper end of the detection table, two sliding seats are sleeved on the outer side wall of a bidirectional screw rod, and supporting units are arranged at the upper ends of the two sliding seats. An electric telescopic rod is installed at the upper end of the support, the output end of the electric telescopic rod is fixedly connected with a connecting plate, the lower end of the connecting plate is fixedly connected with an air pump, the output end of the air pump is fixedly connected with a first air pipe and a second air pipe, a plugging unit is arranged at one end of the first air pipe, and a detection unit is arranged at the upper end of the detection table. The two ends of the pipeline can be plugged, the device is not limited by the shape and size of the pipeline through expansion of the rubber air bag, the device is suitable for pipelines of different diameters and materials, and the plugging universality and flexibility are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline gas tightness detection technical field, especially pipeline gas tightness detection device based on rubber air bag plugging. BACKGROUND

[0002] Pipeline is connected with valve and so on for conveying gas, liquid or fluid with solid particles, in the process of transporting gas, the gas tightness of pipeline is particularly important, otherwise gas leakage will bring loss to the user, and the gas tightness detection device is needed for the gas tightness detection of pipeline.

[0003] Traditional pipeline gas tightness detection method such as soap water smearing method, although simple operation, cost is lower, but only detect larger leakage point, it is difficult to detect tiny leakage, and the detection process is more tedious, needs a large amount of manpower and time, and the efficiency is low, in addition, there are some detection methods based on pressure change, such as pressure decay method, the gas tightness is judged by monitoring the change of pressure in pipeline with time, however, this method is susceptible to environmental temperature, pipeline material and other factors, and the accuracy is difficult to guarantee. UTILITY MODEL CONTENT

[0004] The utility model discloses a pipeline gas tightness detection device based on rubber air bag plugging, can carry out plugging to the both ends of pipeline, and utilize the expansion of rubber air bag, make the device not be limited by the shape and size of pipeline, be applicable to various different diameter and material pipeline, improve the universality and flexibility of plugging.

[0005] In order to realize the above-mentioned purpose, provide pipeline gas tightness detection device based on rubber air bag plugging, including: detection table, the upper end of detection table is provided with the chute, the inner wall of chute is connected with the two -way screw rod slidingly, the outer side wall of two -way screw rod is sleeved with two sliding seats, the upper end of two sliding seats is provided with the support unit, the upper end of detection table is fixedly connected with the support, the upper end of support is installed with electric telescopic handle, the output of electric telescopic handle is fixedly connected with the connecting plate, the lower end of connecting plate is fixedly connected with the air pump, the output of air pump is fixedly connected with air pipe one and air pipe two respectively, one end of air pipe one is provided with plugging unit, the upper end of detection table is provided with detection unit.

[0006] The plugging unit includes a rubber air bag fixedly connected to one end of the air pipe, a mounting bracket fixedly connected to the outer side wall of the air pipe on one side of the rubber air bag, a bolt threadedly connected to the outer side wall of the mounting bracket, a handle fixedly connected to one end of the bolt, and a fixed block fixedly connected to the end of the handle away from the bolt.

[0007] The detection unit comprises a gas cylinder fixedly connected to the upper end of the detection table, the output end of the gas cylinder is fixedly connected with a sealing cover, one end of the sealing cover is fixedly connected with a connecting head, and the pressure sensor is installed on one side of the connecting head.

[0008] According to the pipeline air tightness detection device based on the rubber air bag sealing, the connecting head is connected with the gas pipe two away from the one end of the sealing cover.

[0009] According to the pipeline air tightness detection device based on the rubber air bag sealing, the support unit comprises a support frame fixedly connected to the upper end of the sliding seat, the upper end of the support frame is provided with a hoop, and the upper end of the hoop is threadedly connected with two fixed screw rods.

[0010] According to the pipeline air tightness detection device based on the rubber air bag sealing, one side of the detection table is fixedly connected with a motor, and the output end of the motor is fixedly connected with a bidirectional screw rod.

[0011] According to the pipeline air tightness detection device based on the rubber air bag sealing, the upper end of the connecting plate is fixedly connected with two guide rods, and the two guide rods are penetratingly connected with the upper end of the support frame and slidably connected with the same.

[0012] According to the pipeline air tightness detection device based on the rubber air bag sealing, the gas pressure gauges are installed on the gas pipe one and the gas pipe two.

[0013] The pipeline air tightness detection device based on the rubber air bag sealing has the advantages that:

[0014] Compared with the prior art, the two ends of the pipeline can be sealed, and the expansion of the rubber air bag is utilized, so that the device is not limited by the shape and size of the pipeline, is suitable for pipelines with different diameters and materials, and the universality and flexibility of sealing are improved.

[0015] Compared with the prior art, the hoop and the fixed screw rod in the support unit are used to stably clamp the measured pipeline, so that the stability of the pipeline during the detection process is ensured, and the detection result is not affected by the movement of the pipeline.

[0016] Compared with the prior art, the two support frames can move in opposite directions through the cooperation of the bidirectional screw rod and the sliding seat, so that the device is suitable for pipelines with different lengths, and the applicability and flexibility of the device are improved.

[0017] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as examples, and the detailed description is as follows in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only part of the drawings of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0019] Figure 1 It is a left perspective view of the pipeline gas tightness detection device based on rubber air bag sealing of the present application.

[0020] Figure 2 It is a right perspective view of the pipeline gas tightness detection device based on rubber air bag sealing of the present application.

[0021] Figure 3 It is a perspective view of the sealing unit of the pipeline gas tightness detection device based on rubber air bag sealing of the present application.

[0022] Figure 4 It is a perspective view of the support unit of the pipeline gas tightness detection device based on rubber air bag sealing of the present application.

[0023] In the figure, 1 is a detection table, 2 is a sliding chute, 3 is a bidirectional screw rod, 4 is a sliding seat, 5 is a support unit, 6 is a support, 7 is an electric telescopic rod, 8 is a connecting plate, 9 is an air pump, 10 is an air pipe one, 11 is an air pipe two, 12 is a sealing unit, 13 is a detection unit, 121 is a rubber air bag, 122 is a mounting bracket, 123 is a bolt, 124 is a handle, 125 is a fixed block, 131 is an air cylinder, 132 is a sealing cover, 133 is a connecting head, 134 is a pressure sensor, 501 is a support bracket, 502 is a clamp, 503 is a fixed screw rod, 101 is a motor, and 801 is a guide rod. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in more detail below with reference to the drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms, and should not be interpreted as being limited to the embodiments described herein, on the contrary, these embodiments are provided to make the present application more thoroughly and completely understood. It should be understood that the drawings and embodiments of the present application are only for exemplary purposes, and are not intended to limit the scope of protection of the present application.

[0025] In the utility model, unless another definite provision and limitation, the terms "mount", "set", "connect", "fix", "screw" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be directly connected, also can be indirectly connected through the intermediate medium, for ordinary skill in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0026] The names of the messages or information exchanged between the plurality of devices in the embodiments of the present utility model are only for illustrative purposes, and are not intended to limit the scope of these messages or information. Embodiments

[0027] Reference Figures 1-4 The utility model discloses a pipeline gas tightness detection device based on rubber air bag plugging, it includes: detection stage 1, the upper end of detection stage 1 is provided with the chute 2, the inner wall sliding connection of chute 2 has two -way screw rod 3, and the outer side wall of two -way screw rod 3 is sleeved with two sliding seats 4, and the upper end of two sliding seats 4 is provided with support unit 5, and the upper end of detection stage 1 is fixedly connected with support 6, and the upper end of support 6 is installed with electric telescopic handle 7, and the output of electric telescopic handle 7 is fixedly connected with connecting plate 8, and the lower end of connecting plate 8 is fixedly connected with air pump 9, and the output of air pump 9 is respectively fixedly connected with air pipe one 10 and air pipe two 11, and one end of air pipe one 10 is provided with plugging unit 12, and the upper end of detection stage 1 is provided with detection unit 13;

[0028] Plugging unit 12 includes the rubber air bag 121 fixedly connected at one end of air pipe one 10, and the outer side wall of air pipe one 10 and located at one side of rubber air bag 121 is fixedly connected with mounting bracket 122, and the outer side wall of mounting bracket 122 is threadedly connected with bolt 123, and one end of bolt 123 is fixedly connected with handle 124, and the end, away from bolt 123 of handle 124, is fixedly connected with fixed block 125. By plugging unit 12, it is convenient to use rubber air bag 121, make it expand and tightly adhere to the inner wall of pipeline, form reliable plugging.

[0029] Detection unit 13 includes the air cylinder 131 fixedly connected at the upper end of detection stage 1, and the output of air cylinder 131 is fixedly connected with sealing cover 132, and one end of sealing cover 132 is fixedly connected with connector 133, and pressure sensor 134 is installed at one side of sealing cover 132 and connector 133, and the detection end of pressure sensor 134 is located at the side of sealing cover 132 and the internal pressure of pipeline contact. The sealing property of pipeline is detected by detection unit 13.

[0030] The end, away from sealing cover 132 of connector 133, is connected with air pipe two 11. By air pipe two 11 and connector 133, gas is injected into the pipeline to be measured.

[0031] The support unit 5 comprises a support frame 501 fixedly connected to the upper end of the sliding seat 4, the upper end of the support frame 501 is provided with a hoop 502, the upper end of the hoop 502 is screw-connected with a fixed screw rod 503 on both sides, and the two fixed screw rods 503 are penetrated through the hoop 502 and screw-connected with the upper end face of the support frame 501. The support unit 5 facilitates the fixation of the measured pipeline, thereby ensuring the stability during the pipeline detection.

[0032] One side of the detection table 1 is fixedly connected with a motor 101, and the output end of the motor 101 is fixedly connected with the bidirectional screw rod 3. The motor 101 outputs the bidirectional screw rod 3 to drive the two sliding seats 4 to slide in the sliding groove 2.

[0033] The upper end of the connecting plate 8 is fixedly connected with two guide rods 801, and the two guide rods 801 are penetrated through the upper end of the bracket 6 and are slidingly connected therewith. The two guide rods 801 improve the stability during the lifting of the connecting plate 8.

[0034] The air pressure gauges are installed on the air pipe one 10 and the air pipe two 11. The air pressure facilitates the detection of the internal air pressure of the rubber air bag 121 and the internal air pressure of the pipeline.

[0035] Working principle: when in use, the pipeline to be detected is placed on the upper end of the two support frames 501, the fixed screw rod 503 is rotated to make the hoop 502 clamp and fix the pipeline, so that the pipeline remains stable during the detection, in addition, the motor 101 can be started to output the bidirectional screw rod 3 to rotate, so that the two sliding seats 4 drive the two support frames 501 to move towards the opposite or opposite directions, when detecting the air tightness of the pipeline, the rubber air bag 121 is placed in the measured pipeline, and the air pump 9 is started to output the air pipe one 10 to inflate the rubber air bag 121, so that the rubber air bag 121 is tightly attached to the inner wall of the pipeline to form a reliable plugging, before inflation, the knob 124 is rotated to drive the bolt 123 to make the fixed block 125 attached to the inner wall of the pipeline, so as to fix the rubber air bag 121 to the pipeline port, thereby preventing the rubber air bag 121 from moving, then the air cylinder 131 is started to output the sealing cover 132 to move towards one end of the pipeline, thereby achieving the plugging of the other end of the pipeline, after the plugging is completed, the air pump 9 is started to output the air pipe two 11 to apply a certain pressure gas to the inside of the pipeline, as the gas is injected, the internal pressure of the pipeline gradually rises, and the pressure sensor 134 monitors the pressure change inside the pipeline in real time, if the pipeline is well sealed, the pressure should remain stable or slightly rise, if there is leakage, the pressure will rapidly decrease.

[0036] When in use, the device is electrically connected with an external power supply and a controller, and the controller is a conventional known device for control;

[0037] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A pipeline gas tightness detection device based on a rubber air bag sealing, characterized in that, The utility model relates to a detection platform for the detection of the quality of the product, and the detection platform comprises the following parts: The detection platform is provided with a chute at the upper end, the inner wall of the chute is slidably connected with a bidirectional screw rod, the outer side wall of the bidirectional screw rod is sleeved with two sliding seats, the upper end of each of the two sliding seats is provided with a supporting unit, the upper end of the detection platform is fixedly connected with a support, the upper end of the support is installed with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a connecting plate, the lower end of the connecting plate is fixedly connected with an air pump, the output end of the air pump is respectively fixedly connected with an air pipe one and an air pipe two, one end of the air pipe one is provided with a blocking unit, and the upper end of the detection platform is provided with a detection unit. The blocking unit comprises a rubber air bag fixedly connected to one end of the air pipe one, the outer side wall of the air pipe one and located at one side of the rubber air bag is fixedly connected with a mounting bracket, the outer side wall of the mounting bracket is threadedly connected with a bolt, one end of the bolt is fixedly connected with a handle, and the end of the handle away from the bolt is fixedly connected with a fixed block.

2. The rubber air bag plugging based pipeline gas tightness detection device according to claim 1, characterized in that, The detection unit comprises a gas cylinder fixedly connected to the upper end of the detection platform, the output end of the gas cylinder is fixedly connected with a sealing cover, one end of the sealing cover is fixedly connected with a connecting head, and a pressure sensor is installed on one side of the connecting head.

3. The rubber air bag plugging based pipeline gas tightness detection device according to claim 2, characterized in that, The end of the connecting head away from the sealing cover is connected with the air pipe two.

4. The rubber air bag plugging based pipeline gas tightness detection device according to claim 1, characterized in that, The supporting unit comprises a supporting frame fixedly connected to the upper end of the sliding seat, the upper end of the supporting frame is provided with a hoop, and the upper end of the hoop is threadedly connected with two fixed screws on both sides.

5. The rubber air bag plugging based pipeline gas tightness detection device according to claim 1, characterized in that, One side of the detection platform is fixedly connected with a motor, and the output end of the motor is fixedly connected with the bidirectional screw rod.

6. The rubber air bag plugging based pipeline gas tightness detection device according to claim 1, characterized in that, The upper end of the connecting plate is fixedly connected with two guide rods, and the upper end of the support is slidably connected with the two guide rods.

7. The rubber air bag plugging based pipeline gas tightness detection device according to claim 1, characterized in that, Air pressure gauges are installed on the air pipe one and the air pipe two.

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