Steel pipe sealing detection tool

Abstract

A steel pipe 9 on a lifting frame is driven by a power transmission assembly to ascend and descend and then enters and exits a detection cavity to be detected, sealing pieces seal the two ends of the steel pipe, meanwhile, air can be fed into the steel pipe, it is ensured that the interior of the steel pipe is communicated with an external air source, and pressure is increased while detection liquid is matched for testing whether leakage exists or not. In addition, due to the arrangement of the adjustable check block, steel pipes of different lengths and different models can be detected, and the applicability of the tool is improved. In the detection process, the detection liquid can fully contact the surface of the steel pipe so as to detect tiny leakage points on the surface of the steel pipe. The tool is compact in overall design, simple and convenient to operate, and capable of effectively reducing the working intensity and improving the efficiency and accuracy of steel pipe sealing detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely relates to a steel pipe sealing detection frock. BACKGROUND

[0002] In prior art, steel pipe sealing detection usually adopts manual method, this method is not only inefficient, and the accuracy of detection result is also difficult to guarantee. In addition, manual detection has higher technical requirement to operating personnel, and is easy to cause steel pipe damage or detection failure due to improper operation. SUMMARY

[0003] Therefore, the utility model provides a steel pipe sealing detection frock.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A steel pipe sealing detection frock, including external air source, detection water tank, water inlet lifting device and adjustable stopper, the detection cavity is formed in the detection water tank, the water inlet lifting device is set up in the detection cavity and can be lifted, the water inlet lifting device includes lifting frame, power transmission assembly and sealing element, the power transmission assembly is set up on both ends of the detection water tank, the lifting frame is set up in the detection cavity, the steel pipe is placed on the lifting frame, one end of the power transmission assembly is connected with the lifting frame by extending into the detection cavity, the sealing element is set up on one end of the power transmission assembly extending into the lifting frame, one end of the steel pipe is sealed by abutting against the corresponding sealing element, the other end of the steel pipe abuts against the adjustable stopper, the air inlet hole is set up on the sealing element, the air inlet hole is connected with the inside of the steel pipe and the external air source, the power transmission assembly drives the steel pipe into the detection cavity through the lifting frame, the detection liquid is filled in the detection cavity, the external air source fills air into the inside of the steel pipe through the air inlet hole and carries out sealing pressure boost detection.

[0006] Preferably, the power transmission assembly includes lifting power source, transmission support and sealing element mounting seat, the transmission support is fixed at the top end of the sealing element mounting seat, the sealing element mounting seat is welded and fixed with the lifting frame, the transmission support is arranged between the sealing element mounting seat and the lifting power source, the lifting power source drives the lifting frame to lift through the transmission support and the sealing element mounting seat, and the sealing element is fixed on the side end face of the sealing element mounting seat close to the steel pipe.

[0007] Preferably, the steel pipe support is rotatably arranged on the lifting frame, bearings are arranged between the steel pipe rotating element and the lifting frame and are rotatably connected through the bearings, the steel pipe positioning portion is formed by sinking the center of the steel pipe support, and the cross section shape of the steel pipe positioning portion is triangular.

[0008] Preferably, the lifting frame top end is provided with a plurality of equidistant adjustment holes, the adjustable stopper has an adjustment end, the adjustment end extends into the corresponding adjustment hole and is connected with the lifting frame, the adjustable stopper is provided with a stopper sealing element on the side end face close to the steel pipe, and one end of the steel pipe abuts against the stopper sealing element for sealing.

[0009] Preferably, the lifting power source is a cylinder, the sealing element mounting seat is formed with an air inlet channel, the air inlet channel is provided with an air inlet pipe, one end of the air inlet pipe is in communication with the air inlet hole on the sealing element, and the other end of the air inlet pipe is in communication with an external air source.

[0010] Preferably, the power transmission assembly is provided with two, and the two power transmission assemblies are arranged at positions close to the two ends of the steel pipe of the detection tank and are connected with the two ends of the lifting frame.

[0011] The utility model discloses the beneficial effect lies in: through power transmission assembly drives the steel pipe on the lifting frame to lift, and then detects in and out detection cavity and detects, and sealing element can also air to the steel pipe interior while sealing the both ends of steel pipe, ensure that the steel pipe interior is connected with external air source, realizes pressure balance. In addition, the adjustable stopper allows the steel pipe of different lengths to detect, improves the applicability of tooling. During the detection process, the detection liquid can fully contact the steel pipe surface, so as to detect the tiny leakage point on the steel pipe surface. The compact overall design of tooling is simple and convenient to operate, and can effectively improve the efficiency and accuracy of steel pipe sealing detection. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0013] ATTACHMENT Fig. 1 It is the structural schematic diagram of the utility model;

[0014] ATTACHMENT Fig. 2 It is the sectional view of the utility model;

[0015] ATTACHMENT Fig. 3 It is the schematic diagram of adjustable stopper and lifting frame connection. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0017] The present utility model will be further described below with reference to the drawings in the description.

[0018] The present utility model provides the following technical solutions:

[0019] As shown in the accompanying Figs. 1-3 The present utility model discloses a kind of steel pipe sealing detection tool, including external air source 1, detection water tank 2, water inlet lifting device 3 and adjustable stop block 4, the detection cavity 5 is formed in detection water tank 2, the water inlet lifting device 3 can be lifted and be arranged in detection cavity 5, the water inlet lifting device 3 includes lifting frame 6, power transmission assembly 7 and sealing element 8, the power transmission assembly 7 is set on the both ends of detection water tank 2, the lifting frame 6 is set in detection cavity 5, the steel pipe 9 is placed on the lifting frame 6, one end of the power transmission assembly 7 is inserted into detection cavity 5 and is connected with lifting frame 6, the sealing element 8 is set on one end of power transmission assembly 7 inserted into lifting frame 6, one end of the steel pipe 9 is sealed against corresponding sealing element 8, the other end of the steel pipe 9 is against adjustable stop block 4, air inlet hole 10 is opened on the sealing element 8, the air inlet hole 10 is connected with the inside of steel pipe 9 and external air source 1, the power transmission assembly 7 drives the steel pipe 9 into detection cavity 5 by lifting frame 6, detection liquid is loaded in detection cavity 5, external air source 1 is inflated into the inside of steel pipe 9 through air inlet hole 10 to carry out sealing detection. Specifically, in the present design, the steel pipe 9 on lifting frame 6 is lifted by power transmission assembly 7, and then enters and exits detection cavity 5 for detection, sealing element 8 seals both ends of steel pipe 9 while also being able to inflate into the inside of steel pipe 9, to ensure that the inside of steel pipe 9 is communicated with external air source 1, to realize pressure balance. In addition, the setting of adjustable stop block 4 allows the detection of steel pipes 9 of different lengths, improving the applicability of the tool. During detection, detection liquid can fully contact the surface of steel pipe 9, so as to detect the tiny leakage points on the surface of steel pipe 9. The overall design of the tool is compact, easy to operate, and can effectively improve the efficiency and accuracy of steel pipe 9 sealing detection.

[0020] Further, the power transmission assembly 7 comprises a lifting power source 11, a transmission bracket 12 and a sealing seat 13, the transmission bracket 12 is fixed at the top end of the sealing seat 13, the sealing seat 13 is welded and fixed with the lifting frame 6, the transmission bracket 12 is arranged between the sealing seat 13 and the lifting power source 11, the lifting power source 11 drives the lifting frame 6 to lift through the transmission bracket 12 and the sealing seat 13, and the sealing element 8 is fixed on the side end face of the sealing seat 13 close to the steel pipe 9. Specifically, in this embodiment, the lifting power source is a cylinder, which drives the transmission bracket 12 and the sealing seat 13 fixed on the transmission bracket 12 to lift, and since the sealing seat 13 is fixedly connected with the lifting bracket, the lifting frame 6 lifts accordingly.

[0021] Further, the lifting frame 6 is provided with a steel pipe support 14, the steel pipe support 14 is rotatably arranged on the lifting frame 6, bearings are arranged between the steel pipe 9 rotating element and the lifting frame 6 and are connected through the bearings, and the center of the steel pipe support 14 sinks to form a steel pipe positioning part 15, and the cross-sectional shape of the steel pipe positioning part 15 is triangular. Specifically, in this embodiment, the triangular positioning part of the steel pipe support 14 matches the outer diameter of the steel pipe 9, ensuring that the steel pipe 9 is stably positioned during detection. In addition, the surface of the steel pipe support 14 is specially treated to reduce friction when contacting the steel pipe 9, thereby protecting the surface of the steel pipe 9 from damage.

[0022] Further, a plurality of adjusting holes 16 are arranged at equal intervals at the top end of the lifting frame 6, the adjustable stop block 4 has an adjusting end 17, the adjusting end 17 extends into the corresponding adjusting hole 16 and is connected with the lifting frame 6, the adjustable stop block 4 is provided with a stop block sealing element 18 on the side end face close to the steel pipe 9, and one end of the steel pipe 9 abuts against the stop block sealing element 18 for sealing. Specifically, in this embodiment, by inserting the adjusting end 17 of the adjustable stop block 4 into the corresponding adjusting hole 16, the position of the adjustable stop block 4 on the lifting bracket is changed, so as to adapt to steel pipes 9 of different lengths, and realize accurate positioning and sealing of steel pipes 9 of different lengths. In addition, the equal interval design of the adjusting hole 16 enables the operator to quickly and accurately adjust the position of the adjustable stop block 4 to meet the detection needs of steel pipes 9 of different specifications. In actual application, this design greatly improves the detection efficiency and reduces the risk of damage to the steel pipe 9 due to size mismatch.

[0023] Further, the lifting power source is a cylinder, an air inlet channel (not shown in the figure) is formed in the sealing element mounting seat 13, an air inlet pipe 19 is arranged in the air inlet channel, one end of the air inlet pipe 19 is communicated with the air inlet hole 10 on the sealing element 8, and the other end of the air inlet pipe 19 is communicated with the external air source 1. Specifically, in the embodiment, the piston rod of the cylinder is fixedly connected with the transmission bracket 12 through a connecting element, so that the extension and contraction movement of the cylinder can be effectively converted into the vertical lifting movement of the lifting frame 6. In addition, in order to ensure the stability of the lifting process, the air inlet and exhaust process of the cylinder is accurately controlled through a control valve, so as to realize the accurate adjustment of the lifting speed and position. At the other end of the cylinder, a pressure sensor is arranged, which is used for monitoring the working pressure of the cylinder in real time, and ensuring the safe operation of the whole lifting system. Through such design, the lifting device not only can realize fast response, but also can ensure the stability and reliability under various working conditions.

[0024] Further, the power transmission assembly 7 is provided with two, and the two power transmission assemblies 7 are arranged at positions close to both ends of the steel pipe 9 of the detection water tank 2 and are connected with both ends of the lifting frame 6. Specifically, in the embodiment, the lifting of the two power transmission assemblies 7 is synchronously performed, so as to ensure that the steel pipe 9 keeps horizontal during the lifting process, and avoid the measurement error caused by inclination.

[0025] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steel pipe sealing inspection fixture, characterized in that: The device includes an external air source, a testing water tank, a water inlet lifting device, and an adjustable stop. A testing chamber is formed within the testing water tank. The water inlet lifting device is vertically adjustable within the testing chamber and includes a lifting frame, a power transmission assembly, and a sealing element. The power transmission assembly is located at both ends of the testing water tank. The lifting frame is located within the testing chamber, and a steel pipe is placed on the lifting frame. One end of the power transmission assembly extends into the testing chamber and connects to the lifting frame. The sealing element is located at the end of the power transmission assembly that extends into the lifting frame. One end of the steel pipe abuts against the corresponding sealing element for sealing, and the other end of the steel pipe abuts against the adjustable stop. An air inlet is provided on the sealing element, connecting the inside of the steel pipe to the external air source. The power transmission assembly, through the lifting frame, drives the steel pipe into the testing chamber, which contains testing fluid. The external air source pressurizes the steel pipe through the air inlet for sealing and testing.

2. The steel pipe sealing inspection fixture according to claim 1, characterized in that: The power transmission assembly includes a lifting power source, a transmission bracket, and a sealing element mounting base. The transmission bracket is fixed to the top of the sealing element mounting base, and the sealing element mounting base is welded and fixed to the lifting frame. The transmission bracket is disposed between the sealing element mounting base and the lifting power source. The lifting power source drives the lifting frame to move up and down through the transmission bracket and the sealing element mounting base. The sealing element is fixed on the end face of the sealing element mounting base near the steel pipe.

3. The steel pipe sealing inspection fixture according to claim 2, characterized in that: The lifting frame is equipped with a steel pipe support component, which is rotatably mounted on the lifting frame. A bearing is provided between the rotatable steel pipe component and the lifting frame, and the bearing provides a rotatable connection. The center of the steel pipe support component is sunken to form a steel pipe positioning part, and the cross-sectional shape of the steel pipe positioning part is triangular.

4. The steel pipe sealing inspection fixture according to claim 1, characterized in that: The top of the lifting frame has several equally spaced adjustment holes. The adjustable stop block has an adjustment end that extends into the corresponding adjustment hole and connects to the lifting frame. A stop block seal is provided on the side of the adjustable stop block near the steel pipe. One end of the steel pipe abuts against the stop block seal for sealing.

5. The steel pipe sealing inspection fixture according to claim 2, characterized in that: The lifting power source is a cylinder. An air intake channel is formed in the sealing component mounting seat. An air intake pipe is installed in the air intake channel. One end of the air intake pipe is connected to the air intake hole on the sealing component, and the other end of the air intake pipe is connected to an external air source.

6. The steel pipe sealing inspection fixture according to claim 1, characterized in that: Two power transmission components are provided, and the two power transmission components are respectively located near the two ends of the steel pipe in the detection water tank and connected to the two ends of the lifting frame.

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