Testing device of seabed oil and gas pipeline detection equipment
Technical Field
The invention relates to the field of pipeline detection, in particular to a testing device of seabed oil and gas pipeline detection equipment.
Background
With the increasing demand of resources such as seabed oil, natural gas and the like, the pipeline is one of the most basic and economic energy transportation modes at the seabed, the safety performance of the pipeline is more and more emphasized, and the occurrence of pipeline leakage accidents is caused by metal corrosion and defects of the pipeline wall for a long time. Therefore, in recent years, the demand and application of internal detection equipment of submarine oil and gas transmission pipelines are more and more extensive. However, since the working environment of the detection device in the pipeline is complex, if the detection device cannot work normally in the pipeline, the detection task cannot be completed, and the detection device is taken out from the pipeline, so that the cost is high, and huge economic loss is caused.
Disclosure of Invention
The invention aims to provide a testing device of submarine oil and gas pipeline detection equipment, which aims to solve the problems that the detection equipment in a pipeline cannot complete a detection task if the detection equipment cannot normally work in the pipeline due to the complex working environment of the detection equipment, and the cost is high and huge economic loss is caused due to the fact that the detection equipment is taken out of the pipeline.
According to the embodiment of the invention, the test device of the submarine oil and gas pipeline detection equipment comprises a pipeline, a power driving device, a tension transmitter, an acceleration transmitter and a processor, wherein the power driving device is connected with the pipeline;
the outer peripheral wall of the pipeline is provided with temperature control equipment, detection equipment is placed in the pipeline, and the detection equipment is provided with a three-way acceleration sensor; the front end of the detection equipment is provided with a connecting part, the detection equipment is connected with the power driving device through the connecting part, and a tension sensor is mounted on the connecting part;
the tension sensor is connected with the processor through the tension transmitter, and the three-way acceleration sensor is connected with the processor through the acceleration transmitter.
Specifically, temperature control equipment is including spiraling the setting and being in the coil pipe heat exchanger and the constant temperature water circulating device of pipeline periphery wall, constant temperature circulating device includes water tank and temperature control mechanism, temperature control mechanism includes master controller, refrigerator, heat pump and temperature sensor, the master controller is connected with refrigerator, heat pump and temperature sensor respectively, coil pipe heat exchanger's the end of intaking is connected with the delivery port of water tank, coil pipe heat exchanger's the water outlet end is connected with the water inlet of water tank, the water inlet and the delivery port of water tank are equipped with the water valve, the water valve with the master controller is connected.
Specifically, the power driving device comprises a winch, a steel cable and a speedometer, wherein one end of the steel cable is connected with the winch, the other end of the steel cable is connected with the connecting portion, a grating encoder is arranged above the steel cable and connected with the speedometer.
Specifically, the winch is placed close to the inlet end of the pipeline, the power driving device further comprises a plurality of fixed pulleys which are close to the outlet end of the pipeline and are sequentially arranged from top to bottom, and the steel cable sequentially penetrates through each fixed pulley.
Specifically, a dynamic vibration exciter is further arranged on the outer side of the pipeline.
Specifically, the connecting portion is an internal thread lifting lug, one end of the steel cable connected with the connecting portion is provided with a quick-release connecting device, and the quick-release connecting device and the internal thread lifting lug form quick-release connection.
Specifically, check out test set establishes the leather cup at detection body periphery wall including detecting the body and cover, the leather cup with it is for dismantling the connection to detect the body.
The embodiment of the invention provides a testing device of submarine oil and gas pipeline detection equipment, which is used for simulating the submarine environment of a pipeline and monitoring the detection equipment in the pipeline, so that workers can master the working state of the detection equipment in the pipeline to ensure that the detection equipment can complete a detection task and avoid economic loss caused by the situation that the detection equipment cannot normally work in the pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a testing apparatus of a subsea oil and gas pipeline testing apparatus according to an embodiment of the present invention.
The device comprises a pipeline 1, a rack 2, a clamp 3, a quick-release connecting device 4, a coil heat exchanger 5, a detection body 6, a three-way acceleration sensor 7, a leather cup 8, an internal thread lifting lug 9, a tension sensor 10, a tension transducer 11, an acceleration transducer 12, a speedometer 13, a grating encoder 14, a constant-temperature water circulating device 15, a fixed pulley 16, a steel cable 17, a winch 18 and a processor 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to an embodiment of the present invention, as shown in fig. 1, there is provided a testing apparatus for a subsea oil and gas pipeline detection apparatus, including a pipeline 1, a power driving apparatus, a tension transmitter 11, an acceleration transmitter 12, and a processor 19; the outer peripheral wall of the pipeline 1 is provided with temperature control equipment, detection equipment is placed in the pipeline 1, and a three-way acceleration sensor 7 is arranged on the detection equipment; the front end of the detection equipment is provided with a connecting part, the detection equipment is connected with the power driving device through the connecting part, and the connecting part is provided with a tension sensor 10; the tension sensor 10 is connected with the processor 19 through the tension transducer 11, and the three-way acceleration sensor 7 is connected with the processor 19 through the acceleration transducer 12.
Wherein, 1 accessible clamp 3 of pipeline is fixed in frame 2, and check out test set establishes the leather cup 8 that detects 6 periphery walls of body including detecting body 6 and cover, and leather cup 8 is connected for dismantling with detecting body 6, leather cup 8 and 1 inner wall interference fit of pipeline. By replacing the leather cups 8 with different physical properties for testing, the influence of the leather cup 8 material on the dynamic characteristics of the detection robot of the seabed oil and gas pipeline 1 can be researched.
In this embodiment, put into pipeline 1 with check out test set, utilize the temperature control equipment can simulate the temperature in the seabed through the drive to know check out test set whether adapt to microthermal operational environment. After the detection equipment completely enters the pipeline 1, the tension sensor 10 is used for sensing tension signals received by the detection equipment, the tension signals are transmitted to the tension transmitter 11, and the tension signals are transmitted to the processor 19 after being processed by the tension transmitter 11. The vibration acceleration signal of the detection equipment is transmitted to the acceleration transducer 12 by the three-way acceleration sensor 7, processed and transmitted to the processor 19, the vibration acceleration is integrated by the processor 19 to obtain a vibration displacement value, and the vibration displacement value, the tension value and the working state of the detection equipment in the pipeline 1 are recorded by the processor 19 to provide test result data for workers.
In the above embodiment, the temperature control device includes coil pipe heat exchanger 5 and constant temperature water circulating device 15 that set up at 1 periphery wall of pipeline of spiraling, constant temperature circulating device includes water tank and temperature control mechanism, temperature control mechanism includes master controller, refrigerator, heat pump and temperature sensor, the master controller respectively with the refrigerator, heat pump and temperature sensor are connected, coil pipe heat exchanger 5's the end of intaking is connected with the delivery port of water tank, coil pipe heat exchanger 5's play water end is connected with the water inlet of water tank, the water inlet and the delivery port of water tank are equipped with the water valve, the water valve is connected with the master controller.
The temperature sensor detects the real-time temperature of water in the water tank and transmits the real-time temperature to the main controller, the main controller compares the real-time temperature value with an environmental temperature value and a preset temperature value, the preset temperature value and the environmental temperature value are firstly compared, if the environmental temperature value is higher than the preset temperature value, the water temperature tends to rise relative to the preset temperature value, the temperature is controlled by the refrigerator at the moment, if the environmental temperature value is lower than the preset temperature value, the water temperature tends to rise relative to the preset temperature value, and the temperature is controlled by the heat pump at the moment. When the ambient temperature value is higher than the preset temperature value, if the real-time temperature value is higher than the preset temperature value, the refrigerator is started to reduce the water temperature, and if the real-time temperature value is lower than the preset temperature value, the refrigerator does not act, and the water temperature is gradually increased under the action of the ambient temperature. When the ambient temperature value is lower than the preset temperature value, if the real-time temperature value is higher than the preset temperature value, the heat pump does not act, and the water temperature is gradually reduced under the action of the ambient temperature. And if the real-time temperature value is lower than the preset temperature value, starting the heat pump to raise the water temperature.
In the above embodiment, the power driving device includes the winding machine 18, the wire rope 17 and the speedometer 13, one end of the wire rope 17 is connected with the winding machine 18, the other end of the wire rope 17 is connected with the connecting part, the grating encoder 14 is arranged above the wire rope 17, and the grating encoder 14 is connected with the speedometer 13. The grating encoder 14 can detect the displacement vector of the steel cable 17 and then transmit the displacement vector to the speedometer 13, and the speedometer 13 processes the displacement vector value to obtain the moving speed of the steel cable 17, i.e. the moving speed of the detection device.
In the above embodiment, the winding machine 18 is disposed near the inlet end of the pipeline 1, the power driving device further includes a plurality of fixed pulleys 16 arranged in sequence from top to bottom near the outlet end of the pipeline 1, and the steel cable 17 passes through each fixed pulley 16 in sequence. By providing the crown block 16, flexibility in the arrangement of the hoist 18 can be enhanced.
In the above embodiment, a dynamic vibration exciter is further disposed outside the pipeline 1. By using the vibration of the dynamic vibration exciter, the impact of various objects in the seabed on the pipeline 1 and the impact vibration of seawater flow on the dynamic vibration exciter can be simulated. The position that the power vibration exciter is specifically installed in the pipeline 1 outside can be adjusted according to the actual test demand, also can install a plurality of power vibration exciters in the position of difference.
In the above embodiment, the connecting portion is the internally threaded lifting lug 9, the quick-release connecting device 4 is arranged at the end of the steel cable 17 connected with the connecting portion, and the quick-release connecting device 4 and the internally threaded lifting lug 9 form a detachable connection. The quick disassembly between the steel cable 17 and the quick-release connecting device 4 is realized by utilizing the matching between the quick-release connecting device 4 and the internal thread lifting lug 9, and the operation is convenient.
The embodiment of the invention provides a testing device of submarine oil and gas pipeline detection equipment, which is used for simulating the submarine environment of a pipeline 1 and monitoring the detection equipment in the pipeline 1, so that workers can master the working state of the detection equipment in the pipeline 1, the detection equipment can complete detection tasks, and economic loss caused by the situation that the detection equipment cannot normally work in the pipeline 1 is avoided.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.