CN116642779B - High-temperature composite loading test system for coiled tubing tool - Google Patents
High-temperature composite loading test system for coiled tubing tool Download PDFInfo
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- CN116642779B CN116642779B CN202310899317.2A CN202310899317A CN116642779B CN 116642779 B CN116642779 B CN 116642779B CN 202310899317 A CN202310899317 A CN 202310899317A CN 116642779 B CN116642779 B CN 116642779B
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a high-temperature composite loading test system of a coiled tubing tool, which comprises the following components: the device comprises a machine body, a fixing piece, a loading device and an external pressure loading assembly; a cavity is penetrated in the machine body, and a workpiece is arranged in the cavity; the fixing pieces are fixed at two ends of the machine body; the loading device comprises: the device comprises a shell, a connector, a torque loading assembly and a tension loading assembly; one end of the workpiece is connected with the fixing piece, and the other end of the workpiece is connected with a connector penetrating through the shell and the fixing piece; the connector is connected with the shell, the end part of the connector is provided with an internal pressure loading port, and the internal pressure loading port is communicated with the inner cavity of the connector and the inner cavity of the workpiece; the torque loading assembly and the tension loading assembly are both arranged in the shell; the outer wall of the machine body is provided with an external pressure loading port, the external pressure loading port is communicated with the cavity of the machine body, and the external pressure loading assembly is arranged at the external pressure loading port. The composite loading test system can meet the full-working-condition simulation verification requirement of the coiled tubing tool in the pit, and reduces the occurrence of accidents.
Description
Technical Field
The invention relates to the technical field of petroleum pipeline detection test equipment, in particular to a high-temperature composite loading test system for a continuous oil pipe tool.
Background
Because the working conditions of the continuous oil pipe milling, fishing and other tools are complex, various loads such as internal pressure, external pressure, torque, tensile force, high temperature and the like can be born at the same time, and therefore, the load test of the system is required before delivery.
In the prior art, because the test technical conditions are limited, a manufacturer can only perform a single test, and can not fully simulate the actual working condition to perform a composite loading test, so that the performance of a newly developed tool can not be effectively verified, and accidents such as failure and fracture, sealing damage and the like of a coiled tubing tool often occur during underground operation, thereby causing serious loss to users.
Therefore, the high-temperature composite loading test system for the coiled tubing tool, which can meet the full-working-condition simulation verification requirement of the coiled tubing tool in the pit and reduce the occurrence of accidents, is a problem which needs to be solved by a person skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a high-temperature composite loading test system for a coiled tubing tool, which can meet the requirements of full-working-condition simulation and verification of the coiled tubing tool in the pit and reduce accidents.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a coiled tubing tool high temperature composite loading test system comprising:
the machine body is internally penetrated with a cavity, and a workpiece is arranged in the cavity;
the fixing pieces are fixed at two ends of the machine body;
a loading device, the loading device comprising: the device comprises a shell, a connector, a torque loading assembly and a tension loading assembly; one end of the workpiece is connected with the fixing piece, and the other end of the workpiece is connected with a connector penetrating through the shell and the fixing piece; the connecting head is connected with the shell, an internal pressure loading port is arranged at the end part of the connecting head, and the internal pressure loading port is communicated with the inner cavity of the connecting head and the inner cavity of the workpiece; the torque loading assembly and the tension loading assembly are arranged in the shell;
the external pressure loading assembly is arranged at the external wall of the machine body, and is communicated with the cavity of the machine body.
The loading device and the external pressure loading assembly have the advantages that the internal pressure, the tension, the torque, the external pressure and other composite loading can be carried out on the workpiece, loading conditions can be selectively implemented, and the capability test of a plurality of workpieces can be completed by one test; the operation requirement of the conventional coiled tubing tool is met, and the performance of the tool is fully verified.
Preferably, the fixing member includes: a first end flange and a second end flange; the first end flange and the second end flange are respectively fixed at two ends of the machine body; the first end flange is connected with the shell; one end of the workpiece, which is close to the second end flange, is connected with a conversion head, and the conversion head is connected with the second end flange. The end part of the workpiece is conveniently fixed by the arrangement of the conversion head.
Preferably, the torque loading assembly comprises: the hydraulic drive device comprises a nut, a hydraulic drive head and a torque hydraulic loading port; a torque loading cavity is formed in the shell, and the nut and the hydraulic driving head are arranged in the torque loading cavity; the nut is in threaded connection with the connector; the hydraulic driving head is fixed outside the nut; the torque hydraulic loading port is formed in the outer portion of the shell and is communicated with the torque loading cavity; the liquid in the torque hydraulic loading port pushes the hydraulic driving head to rotate. The hydraulic driving head rotates under the pressure effect, and then drives the nut to rotate to apply torque to the workpiece.
Preferably, the tension loading assembly includes: a tension piston, a thrust bearing and a tension hydraulic loading port; a tension loading cavity is arranged in the shell; the tension piston and the thrust bearing are both arranged in the tension loading cavity and sleeved outside the connector; the thrust bearing is abutted with the nut and is arranged between the nut and the tension piston; the outside of the shell is provided with a tension hydraulic loading port which is communicated with the tension loading cavity; and the liquid in the tension hydraulic loading port sequentially pushes the tension piston and the thrust bearing to tightly push the nut. The nut is connected with the connector, and the tension piston moves under the pressure action to push the thrust bearing and the nut, so that tension is applied to the workpiece.
Preferably, the external pressure loading assembly includes: the pressure piston, the indication rod and the middle flange; the middle flange is fixedly connected with the port of the external pressure loading port; the pressurizing piston is arranged in the external pressure loading port; the indicating rod penetrates through the middle flange and is connected with the pressurizing piston; the surface of intermediate flange is equipped with the joint of beating, it is linked together with outer pressure loading mouth to beat the joint. The cavity of the machine body is filled with heat conduction oil, and under the action of pressure, the pressurizing piston moves downwards to compress the heat conduction oil, so that pressure is applied to the outside of the workpiece.
Preferably, the cavity of the machine body is filled with heat conduction oil, and an electromagnetic heating pipe is spirally arranged outside the cavity. The electromagnetic heating pipe heats the heat conduction oil, and then the corresponding temperature is applied to the workpiece.
Preferably, a temperature sensor and a torque tension transducer are arranged outside the machine body; the sensing end of the temperature sensor is communicated with the cavity of the machine body; one end of the conversion head, which is connected with the second end flange, is provided with a torque tension sensor, one end of the torque tension sensor is in threaded connection with the conversion head, and the other end of the torque tension sensor is fixedly connected with the second end flange; the torque tension sensor is connected with the torque tension transducer. The temperature sensor can collect the temperature of the heat conduction oil, and the torque tension sensor detects the tension and torque applied to the workpiece.
Preferably, the temperature sensor and the torque tension transducer are both connected with a signal collector.
Preferably, the loading test system further comprises a loading controller, and the torque hydraulic loading port and the tension hydraulic loading port are both connected with the hydraulic controller; the hydraulic controller, the signal collector and the electromagnetic heating pipe are all connected with the loading controller. The loading controller can correspondingly control the corresponding temperature, the corresponding tension and the corresponding torque.
Preferably, the joints of the first end flange and the machine body and the second end flange are respectively provided with a sealing piece; sealing rings are arranged between the first end flange and the connector, between the shell and the connector, between the tension piston and the shell, between the tension piston and the connector, and between the pressurizing piston and the external pressure loading port; and a backing ring is arranged at the joint of the intermediate flange and the external pressure loading port.
Compared with the prior art, the invention discloses a high-temperature composite loading test system for a coiled tubing tool, which has the beneficial effects that:
(1) According to the high-temperature composite loading test system for the coiled tubing tool, disclosed by the invention, loading of one or more conditions of tension, internal pressure, external pressure, torque and temperature of the coiled tubing tool can be completed through the loading controller, multiple composite working conditions of the coiled tubing tool working underground can be completely simulated, capability test of multiple workpieces can be completed through one test, and compared with the traditional single test, the test item is more complete and the efficiency is higher;
(2) The piston balance principle is adopted, so that a high-temperature external pressure test exceeding 140 ℃ can be completed, the piston balance principle is adopted, the loading of pressure in a high-temperature environment is realized, the oil-water separation is realized, and the pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a composite load test system according to the present invention;
FIG. 2 is an enlarged view of the structure of the loading device in the composite loading test system provided by the invention;
FIG. 3 is an enlarged view of the structure shown at A in FIG. 1, provided by the present invention;
fig. 4 is an enlarged view of the structure at B in fig. 1 provided by the present invention.
Wherein, in the drawing,
1-a machine body;
11-an external pressure loading port; 12-heat conducting oil;
2-fixing parts;
21-a first end flange; 22-a second end flange;
3-loading means;
31-a housing; 32-a connector;
33-torque loading assembly;
331-a nut; 332-a hydraulic drive head; 333—torque hydraulic loading port;
34-tension loading assembly
341-a tension piston; 342-thrust bearing; 343-a tension hydraulic loading port;
35-an internal pressure loading port;
4-an external pressure loading assembly;
41-a pressurizing piston; 42-indicating rod; 43-an intermediate flange; 44-pressing the joint; 45-limiting nuts;
5-a conversion head; 6-electromagnetic heating tube; 7-a temperature sensor; 8-a torque tension transducer; 9-a torque tension sensor; 10-a signal collector; 011-load controller; 012-hydraulic controller; 013-seal; 014-sealing ring; 015-backing ring; 016—a workpiece; 017-bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a high-temperature composite loading test system of a coiled tubing tool, which comprises the following components:
the machine body 1, the inside of the machine body 1 is communicated with a cavity, and a workpiece 016 is arranged in the cavity;
the fixing pieces 2, the fixing pieces 2 are fixed at two ends of the machine body 1;
loading device 3, loading device 3 includes: a housing 31, a connector 32, a torque loading assembly 33, and a tension loading assembly 34; one end of the workpiece 016 is connected with the fixing piece 2, and the other end is connected with a connector 32 penetrating through the shell 31 and the fixing piece 2; the connector 32 is connected with the shell 31, the end part of the connector 32 is provided with an internal pressure loading port 35, and the internal pressure loading port 35 is communicated with the inner cavity of the connector 32 and the inner cavity of the workpiece 016; the torque loading assembly 33 and the tension loading assembly 34 are both arranged inside the shell 31;
the external pressure loading assembly 4, the external wall of the machine body 1 is provided with an external pressure loading port 11, the external pressure loading port 11 is communicated with the cavity of the machine body 1, and the external pressure loading assembly 4 is arranged at the external pressure loading port 11.
In order to further optimize the above technical solution, as shown in fig. 1, the fixing member 2 includes: a first end flange 21 and a second end flange 22; the first end flange 21 and the second end flange 22 are fixed to both ends of the body 1, respectively; the first end flange 21 is connected to the housing 31; the workpiece 016 is connected to the end near the second end flange 22 with a conversion head 5, and the conversion head 5 is connected to the second end flange 22. The first end flange 21 and the second end flange 22 are fixedly connected to the machine body 1 by bolts 017, respectively.
To further optimize the solution described above, as shown in fig. 2, the torque loading assembly 33 comprises: nut 331, hydraulic drive head 332, and torque hydraulic loading port 333; a torque loading cavity is formed in the shell 31, and a nut 331 and a hydraulic driving head 332 are arranged in the torque loading cavity; the nut 331 is in threaded connection with the connector 32; the hydraulic driving head 332 is fixed to the outside of the nut 331; the outside of the shell 31 is provided with a torque hydraulic loading port 333, and the torque hydraulic loading port 333 is communicated with a torque loading cavity; the fluid in the torque hydraulic loading port 333 urges the hydraulic drive head 332 to rotate. The housing 31 is fixedly connected to the first end flange 21 by bolts. The hydraulic drive head 332 is constructed in a conventional manner to provide torque by simply applying oil to the head.
To further optimize the solution described above, the tension loading assembly 34 comprises: a tension piston 341, a thrust bearing 342, and a tension hydraulic loading port 343; a tension loading cavity is arranged in the shell 31; the tension piston 341 and the thrust bearing 342 are both arranged in the tension loading cavity and sleeved outside the connector 32; the thrust bearing 342 is abutted with the nut 331 and is arranged between the nut 331 and the tension piston 341; the outside of the shell 31 is provided with a tension hydraulic loading port 343, and the tension hydraulic loading port 343 is communicated with the tension loading cavity; the liquid in the tension hydraulic loading port 343 sequentially pushes the tension piston 341 and the thrust bearing 342 against the nut 331. The torque hydraulic pressure loading port 333 and the tension hydraulic pressure loading port 343 are connected to the hydraulic controller 012 through hydraulic lines.
In order to further optimize the above technical solution, as shown in fig. 3, the external pressure loading assembly 4 includes: a pressurizing piston 41, an indication rod 42, and an intermediate flange 43; the middle flange 43 is fixedly connected with the port of the external pressure loading port 11; the pressurizing piston 41 is placed inside the external pressure loading port 11; the indication rod 42 penetrates through the middle flange 43 and is connected with the pressurizing piston 41; the surface of the middle flange 43 is provided with a pressing joint 44, and the pressing joint 44 is communicated with the external pressure loading port 11. The pressurizing joint 44 is filled with water to pressurize the pressurizing piston 41, and the pressurizing piston 41 realizes the separation of water and oil; the pressurizing piston 41 is coated with a heat-insulating coating on the surface contacted with the heat conduction oil 12, so that the pressurizing system is prevented from being damaged by heating caused by excessive heat transfer. The top of the indication rod 42 is arranged outside the middle flange 43, the limit nut 45 is arranged on the top of the indication rod 42 in a threaded manner, and the limit nut 45 can play a role in indicating and limiting the position during the moving process of the pressurizing piston 41.
In order to further optimize the technical scheme, the cavity of the machine body 1 is filled with heat conduction oil 12, and an electromagnetic heating pipe 6 is spirally wound on the outside. The electromagnetic heating pipes 6 are provided with two groups which are respectively positioned at two sides of the external pressure loading component 4. The heat conducting oil 12 provides a high temperature environment of 150-200 ℃ for the workpiece.
In order to further optimize the above technical solution, as shown in fig. 4, the outside of the machine body 1 is provided with a temperature sensor 7 and a torque tension transducer 8; the sensing end of the temperature sensor 7 is communicated with the cavity of the machine body 1; one end of the conversion head 5 connected with the second end flange 22 is provided with a torque tension sensor 9, one end of the torque tension sensor 9 is in threaded connection with the conversion head 5, and the other end of the torque tension sensor 9 is fixedly connected with the second end flange 22; the torque tension sensor 9 is connected with the torque tension transducer 8.
In order to further optimize the technical scheme, the temperature sensor 7 and the torque tension transducer 8 are connected with a signal collector 10.
In order to further optimize the above technical solution, the loading test system further includes a loading controller 011, and the torque hydraulic loading port 333 and the tension hydraulic loading port 343 are connected to the hydraulic controller 012; the hydraulic controller 012, the signal collector 10, and the electromagnetic heating pipe 6 are all connected to the loading controller 011.
In order to further optimize the technical scheme, the internal pressure loading port 35 and the pressurizing connector 44 are both connected with the pressurizing pump in the loading controller 011.
In order to further optimize the technical scheme, the joints of the first end flange 21 and the second end flange 22 and the machine body 1 are provided with sealing members 013; sealing rings 014 are arranged between the first end flange 21 and the connector 32, between the housing 31 and the connector 32, between the tension piston 341 and the housing 31, between the tension piston 341 and the connector 32, and between the pressurizing piston 41 and the external pressure loading port 11; a backing ring 015 is provided at the junction of the intermediate flange 43 and the external pressure loading port 11.
The test process comprises the following steps:
applying internal pressure, injecting water into the internal pressure loading port 35, and applying pressure to the inner cavity of the workpiece 016; when torque is applied, hydraulic oil is injected into the torque hydraulic loading port 333 to drive the hydraulic driving head 332 to rotate, and then drive the nut 331 to rotate, so that torque is applied to the connector 32 and the workpiece 016; when tension is applied, hydraulic oil is injected into the tension hydraulic loading port 343 to drive the tension piston 341 to move and push the thrust bearing 342 and the nut 331 to apply tension to the connector 32 and the workpiece 016; applying external pressure, injecting water into the pressing joint 44, driving the pressing piston 41 to move downwards, extruding the heat conducting oil 12, and applying external pressure to the workpiece 016; the electromagnetic heating pipe 6 is controlled by the load controller 011 to apply a temperature load to the workpiece 016.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A coiled tubing tool high temperature composite loading test system, comprising:
the machine body (1), the inside of the machine body (1) is penetrated with a cavity, and a workpiece (016) is arranged in the cavity;
the fixing pieces (2), the fixing pieces (2) are fixed at two ends of the machine body (1);
loading means (3), said loading means (3) comprising: the device comprises a shell (31), a connector (32), a torque loading assembly (33) and a tension loading assembly (34); one end of the workpiece (016) is connected with the fixing piece (2), and the other end of the workpiece is connected with a connector (32) penetrating through the shell (31) and the fixing piece (2); the connecting head (32) is connected with the shell (31), an internal pressure loading port (35) is arranged at the end part of the connecting head (32), and the internal pressure loading port (35) is communicated with the inner cavity of the connecting head (32) and the inner cavity of the workpiece (016); the torque loading assembly (33) and the tension loading assembly (34) are arranged inside the shell (31);
the torque loading assembly (33) comprises: a nut (331), a hydraulic drive head (332), and a torque hydraulic loading port (333); a torque loading cavity is formed in the shell (31), and the nut (331) and the hydraulic driving head (332) are arranged in the torque loading cavity; the nut (331) is in threaded connection with the connector (32); -said hydraulic drive head (332) is fixed to the outside of said nut (331); a torque hydraulic loading port (333) is formed in the outer part of the shell (31), and the torque hydraulic loading port (333) is communicated with the torque loading cavity; the liquid in the torque hydraulic loading port (333) pushes the hydraulic driving head (332) to rotate;
the tension loading assembly (34) includes: a tension piston (341), a thrust bearing (342), and a tension hydraulic loading port (343); a tension loading cavity is arranged in the shell (31); the tension piston (341) and the thrust bearing (342) are both arranged in the tension loading cavity and sleeved outside the connector (32); the thrust bearing (342) is abutted with the nut (331) and is arranged between the nut (331) and the tension piston (341); a tension hydraulic loading port (343) is formed in the outer part of the shell (31), and the tension hydraulic loading port (343) is communicated with the tension loading cavity; the liquid in the tension hydraulic loading port (343) sequentially pushes the tension piston (341) and the thrust bearing (342) to jack the nut (331);
the external pressure loading assembly (4), the external wall of the machine body (1) is provided with an external pressure loading port (11), the external pressure loading port (11) is communicated with the cavity of the machine body (1), and the external pressure loading assembly (4) is arranged at the external pressure loading port (11);
the external pressure loading assembly (4) comprises: a pressurizing piston (41), an indication rod (42) and an intermediate flange (43); the middle flange (43) is fixedly connected with the port of the external pressure loading port (11); the pressurizing piston (41) is arranged in the external pressure loading port (11); the indicating rod (42) penetrates through the middle flange (43) and is connected with the pressurizing piston (41); the surface of the middle flange (43) is provided with a pressing joint (44), and the pressing joint (44) is communicated with the external pressure loading port (11).
2. A coiled tubing tool high temperature composite loading test system according to claim 1, wherein the fixture (2) comprises: a first end flange (21) and a second end flange (22); the first end flange (21) and the second end flange (22) are respectively fixed at two ends of the machine body (1); the first end flange (21) is connected with the shell (31); one end of the workpiece (016) close to the second end flange (22) is connected with a conversion head (5), and the conversion head (5) is connected with the second end flange (22).
3. The high-temperature composite loading test system of the coiled tubing tool according to claim 2 is characterized in that the cavity of the machine body (1) is filled with heat conduction oil (12), and an electromagnetic heating pipe (6) is spirally arranged outside the cavity.
4. A coiled tubing tool high-temperature composite loading test system according to claim 3, wherein a temperature sensor (7) and a torque tension transducer (8) are arranged outside the machine body (1); the induction end of the temperature sensor (7) is communicated with the cavity of the machine body (1); one end of the conversion head (5) connected with the second end flange (22) is provided with a torque tension sensor (9), one end of the torque tension sensor (9) is in threaded connection with the conversion head (5), and the other end of the torque tension sensor is fixedly connected with the second end flange (22); the torque tension sensor (9) is connected with the torque tension transducer (8).
5. The high-temperature composite loading test system of the coiled tubing tool according to claim 4, wherein the temperature sensor (7) and the torque tension transducer (8) are connected with a signal collector (10).
6. The coiled tubing tool high temperature composite loading test system according to claim 5, further comprising a loading controller (011), wherein the torque hydraulic loading port (333) and the tension hydraulic loading port (343) are both connected to the hydraulic controller (012); the hydraulic controller (012), the signal collector (10) and the electromagnetic heating pipe (6) are all connected with the loading controller (011).
7. The high-temperature composite loading test system of the coiled tubing tool according to claim 2, wherein the joints of the first end flange (21) and the second end flange (22) and the machine body (1) are respectively provided with a sealing element (013); sealing rings (014) are arranged between the first end flange (21) and the connector (32), between the shell (31) and the connector (32), between the tension piston (341) and the shell (31), between the tension piston (341) and the connector (32) and between the pressurizing piston (41) and the external pressure loading port (11); and a backing ring (015) is arranged at the joint of the middle flange (43) and the external pressure loading port (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310899317.2A CN116642779B (en) | 2023-07-21 | 2023-07-21 | High-temperature composite loading test system for coiled tubing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310899317.2A CN116642779B (en) | 2023-07-21 | 2023-07-21 | High-temperature composite loading test system for coiled tubing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116642779A CN116642779A (en) | 2023-08-25 |
| CN116642779B true CN116642779B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310899317.2A Active CN116642779B (en) | 2023-07-21 | 2023-07-21 | High-temperature composite loading test system for coiled tubing tool |
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