Mooring cable tension test connecting device

Abstract

The utility model discloses a mooring cable tension test connecting device which comprises a connecting rod body and a connecting base, the connecting rod body is connected in the connecting base, one end of the connecting rod body is connected with a connecting rod big end section, and one section, far away from the connecting rod big end section, of the connecting rod body is connected with a connecting rod single-lug section. The connecting rod single-lug section is connected with a mooring cable head through a pin shaft, a mooring cable is connected to the mooring cable head, and the connecting base is connected to a tension testing machine so as to perform a tension test on the mooring cable. The mooring cable tension test connecting device provided by the utility model is connected with the tension tester through the connecting base, the connecting rod body is arranged in the connecting base, and the two ends of the connecting rod body are connected with the connecting rod large-head section and the connecting rod single-lug section, so that the connecting rod body is stably connected to the connecting base; the connection with the mooring cable head of the mooring cable is realized through the single-lug section of the connecting rod, so that the tension test on the mooring cable is realized. The purpose of mooring cable tension test is achieved, and assembling is easy and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal product processing, in particular to a mooring cable tension test connection device. Background Art

[0002] When operating at sea, floating platforms are subject not only to the buoyancy of the seawater but also to the impact of wind and waves due to their large size. Therefore, the mooring cables securing the floating platforms must be sufficiently large to ensure the platforms remain stable. The large diameter of the mooring cables and the large cable segments used require large testing equipment to test the tension of the entire mooring cable.

[0003] At present, mooring cables with large rope diameters and cable segments cannot be directly assembled on the tensile testing machine for testing. A connecting device must be designed to connect the mooring cable to the testing machine before testing. The design of the mooring cable segment connecting device is to protect the equipment from damage during the test and to facilitate the observation of real-time changes in the cable segment and cast body during the test.

[0004] Therefore, it is urgent to design a mooring cable tensile test connection device to solve the above-mentioned problem of connecting the mooring cable and the tensile testing machine. Utility Model Content

[0005] In order to solve the technical problem mentioned in the background technology that mooring cables with large rope diameters and rope segment sizes cannot be directly assembled on a tensile testing machine for testing, a mooring cable tensile testing connection device is provided to solve the problem of connecting the mooring cable with the tensile testing machine.

[0006] To achieve the above objectives, the specific technical solutions of the mooring cable tension test connection device of the present invention are as follows:

[0007] A mooring cable tension test connection device includes a connecting rod body and a connecting base. The connecting rod body is connected to the connecting rod base, one end of the connecting rod body is connected to the connecting rod big head section, a section of the connecting rod body away from the connecting rod big head section is connected to the connecting rod single ear section, the connecting rod single ear section is connected to the mooring cable head through a pin shaft, the mooring cable head is connected to the mooring cable, and the connecting base is connected to a tension testing machine to perform a tension test on the mooring cable.

[0008] Furthermore, the connecting rod big end section is fixedly connected to one end of the connecting rod body, and the connecting rod single ear section is fixedly connected to one end of the connecting rod body away from the connecting rod big end section.

[0009] Furthermore, the connecting rod body is arranged inside the connecting base along the length direction of the connecting base, and the connecting rod big head section and the connecting rod single ear section are both located outside the connecting base.

[0010] Furthermore, the mooring cable head is provided with a first pin hole, the connecting rod single ear section is provided with a second pin hole, and the pin passes through the first pin hole and the second pin hole in sequence to connect the mooring cable head to the connecting rod single ear section.

[0011] Furthermore, a U-shaped opening is provided at the mooring cable head, a first pin shaft hole is provided on a side wall of the U-shaped opening, and a single ear section of a connecting rod is connected in the U-shaped opening.

[0012] Furthermore, one end of the mooring cable head away from the U-shaped opening is fixedly connected with a mooring cable.

[0013] Furthermore, the connecting rod big end section and the connecting rod single ear section are vertically welded to both ends of the connecting rod body.

[0014] Furthermore, a side where the connecting rod big end section is connected to the connecting rod body is set as an inclined surface, so that the connecting rod big end section abuts against the connecting base.

[0015] Furthermore, the connecting rod body and the connecting rod big end section are both cylindrical.

[0016] Furthermore, the diameter of the connecting rod big end section is larger than the diameter of the connecting rod body.

[0017] The mooring cable tension test connection device of the utility model has the following advantages:

[0018] The invention is connected to a tensile testing machine through a connecting base, and a connecting rod body is arranged in the connecting base. The connecting rod body is connected to the connecting rod big head section and the connecting rod single ear section at both ends, so that the connecting rod body is stably connected to the connecting base. The connecting rod single ear section is used to connect to the mooring cable head of the mooring cable, thereby realizing a tensile test on the mooring cable. This application reduces damage to the testing machine by increasing the contact surface with the testing machine, thereby achieving the purpose of mooring cable tensile testing. At the same time, it can also test the tensile strength of the mooring cable head and adapt to mooring cables and mooring cable heads of various sizes. The assembly is simple and convenient, effectively saving labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the mooring cable tension test connection device of the utility model;

[0020] Figure 2 The figure is a schematic structural diagram of the connection between the mooring cable tension test connection device and the mooring cable of the utility model.

[0021] Description of the marks in the figure:

[0022] 1. Connecting rod body; 2. Connecting rod big end section; 3. Connecting rod single ear section; 4. First pin shaft hole; 5. Second pin shaft hole; 6. Connecting base; 7. Mooring cable head; 8. Mooring cable; 9. Pin shaft. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0024] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features from different embodiments is intended to be within the scope of the present invention and to form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0025] Please refer to the attached Figure 1 To the attached Figure 2 The utility model describes a mooring line tension test connection device.

[0026] like Figure 1 As shown, the mooring cable tension test connection device of the present invention includes a connecting rod body 1 and a connecting base 6. The connecting rod body 1 is connected to the connecting base 6. One end of the connecting rod body 1 is connected to the connecting rod big end section 2. A connecting rod single ear section 3 is connected to the connecting rod body 1 away from the connecting rod big end section 2. The connecting rod single ear section 3 is connected to the mooring cable head 7 via a pin 9. The mooring cable head 7 is connected to the mooring cable 8. The connecting base 6 is connected to the tension testing machine to perform a tension test on the mooring cable 8. The connecting base 6 is connected to the tension testing machine, and the connecting rod body 1 is arranged in the connecting base 6. The two ends of the connecting rod body 1 are connected to the connecting rod big end section 2 and the connecting rod single ear section 3, so that the connecting rod body 1 is stably connected to the connecting base 6. The connecting rod single ear section 3 is connected to the mooring cable head 7 of the mooring cable 8 to perform a tension test on the mooring cable 8. The present application reduces damage to the testing machine by increasing the contact surface with the testing machine, thereby achieving the purpose of the mooring cable tension test. At the same time, it can also test the tensile strength of the mooring cable head and adapt to mooring cables and mooring cable heads of various sizes. The assembly is simple and convenient, and the use of manpower is effectively saved.

[0027] Further, if Figure 1As shown, the connecting rod big end section 2 is fixedly connected to one end of the connecting rod body 1, and the connecting rod single ear section 3 is fixedly connected to the end of the connecting rod body 1 away from the connecting rod big end section 2; the connecting rod body 1 is arranged in the connecting base 6 along the length direction of the connecting base 6, and the connecting rod big end section 2 and the connecting rod single ear section 3 are both located outside the connecting base 6; the mooring cable head 7 is provided with a first pin shaft hole 4, and the connecting rod single ear section 3 is provided with a second pin shaft hole 5, and the pin shaft 9 passes through the first pin shaft hole 4 and the second pin shaft hole 5 in sequence, so that the mooring cable head 7 is connected to the connecting rod single ear section 3.

[0028] In this embodiment, preferably, the connecting rod big end section 2 is fixedly connected to the end face of the connecting rod body 1, and a connecting rod single ear section 3 is fixedly connected to the end face of the connecting rod body 1 away from the connecting rod big end section 2, and the connecting rod single ear section 3 is circular.

[0029] A through hole is provided in the connecting base 6 for the connecting rod body 1 to be inserted. The through hole is arranged in the connecting base 6 along the length direction of the connecting base 6. The connecting rod body 1 is inserted in the through hole, and the connecting rod big head section 2 and the connecting rod single ear section 3 connected at both ends of the connecting rod body 1 are located outside the connecting base 6.

[0030] Preferably, the connection base 6 has a through hole with a diameter of 550 mm. The connecting rod body 1 has a ring at one end and a cylinder with a diameter greater than 550 mm at the other. During testing, one end of the connecting rod single-ear section 3 is passed through the connection base 6 and connected to the mooring cable head 7, completing the assembly of the test specimen and the equipment. This connection method not only simplifies the design and assembly, but also reduces damage to the testing machine by increasing the contact surface with the testing machine.

[0031] Preferably, a first pin hole 4 is symmetrically provided on the mooring cable head 7, and a second pin hole 5 is provided on the connecting single ear section 3. The pin 9 passes through the first pin hole 4 and the second pin hole 5 in sequence, so that the mooring cable head 7 is connected to the connecting rod single ear section 3, thereby realizing the connection between the mooring cable head 7 and the connecting rod single ear section 3, and then realizing the connection between the mooring cable head 7 and the connecting base 6.

[0032] Further, if Figure 1 and Figure 2 As shown, the mooring cable head 7 is provided with a U-shaped opening, the first pin shaft hole 4 is provided on the side wall of the U-shaped opening, and the connecting rod single ear section 3 is connected to the U-shaped opening; the mooring cable head 7 is fixedly connected to the mooring cable 8 at one end away from the U-shaped opening; the connecting rod big head section 2 and the connecting rod single ear section 3 are both vertically welded to the two ends of the connecting rod body 1.

[0033] In this embodiment, preferably, the mooring cable head 7 is a cylinder, a U-shaped opening is provided at one end of the mooring cable head 7, and first pin holes 4 are respectively provided on the side walls at both ends of the U-shaped opening. The single ear section 3 of the connecting rod is fixedly connected to the U-shaped opening of the mooring cable head 7 by a pin 9.

[0034] The mooring cable head 7 is fixedly connected to the mooring cable 8, thereby realizing the connection between the mooring cable 8 and the connecting base 6; preferably, the connecting rod big head section 2 and the connecting rod single ear section 3 are both vertically welded to the end surface of the connecting rod body 1.

[0035] Preferably, the connecting rod body 1, the connecting rod big end section 2, the connecting rod single ear section 3, the pin shaft 9 and the mooring cable head 7 are all made of 40CrNiMoA alloy steel to complete the 20000kN tensile test, protect the tensile test equipment from being damaged during the test, and facilitate observation of the real-time changes of the mooring cable head 7 and the cast body during the test; the limit size of the mooring cable 8 tension detection connection device is obtained by mapping the dimensions of the connection base and the mooring cable head 7, and the tensile value that the test device can withstand is preliminarily calculated in combination with the tensile value of the mooring cable 8.

[0036] Further, if Figure 1 As shown, the side where the connecting rod big end section 2 is connected to the connecting rod body 1 is set as an inclined surface so that the connecting rod big end section 2 abuts against the connecting base 6; the connecting rod body 1 and the connecting rod big end section 2 are both cylindrical; the diameter of the connecting rod big end section 2 is larger than the diameter of the connecting rod body 1.

[0037] In this embodiment, preferably, an inclined surface is provided on one side where the connecting rod big end section 2 is connected to the connecting rod body 1, and the inclined surface is arranged circumferentially along the connecting rod big end section 2, so that when the mooring cable 8 is subjected to a tension test, the connecting rod big end section 2 abuts against the connecting base 6, preventing the connecting rod body 1 from detaching from the connecting base 6; the connecting rod body 1 and the connecting rod big end section 2 are both configured as cylinders, and the diameter of the connecting rod big end section 2 is larger than the diameter of the connecting rod body 1.

[0038] The tension value of the mooring cable 8, as well as the dimensions of the mooring cable head 7 and the corresponding parts of the equipment, are confirmed. The stress on the mooring cable tension test connection device is analyzed, and the most vulnerable locations of the tension device are calculated. A three-dimensional model of the mooring cable tension test connection is then constructed to determine whether the device can be assembled. The mooring cable tension test connection device and the equipment are in surface contact, which better protects the equipment from damage. The mooring cable tension test connection device and the mooring cable joint are connected by a pin, making assembly simple and convenient, and the structure reasonable.

[0039] The working principle of the mooring cable tension test connection device in the utility model is as follows:

[0040] After the processing is completed, on-site assembly is carried out. The device is slowly lifted using a crane, and the connecting rod single ear section 3 of the mooring cable tension detection connection device is passed through the connecting base 6; then the connecting rod single ear section 3 of the device is placed into the opening of the mooring cable head 7, and the pin shaft 9 is passed through the first pin shaft hole 4 and the second pin shaft hole 5, so as to connect the mooring cable tension detection connection device to the mooring cable.

[0041] Based on the mooring cable tensile test connection device, the present invention is connected to the tensile testing machine via a connecting base 6, and a connecting rod body 1 is arranged in the connecting base 6. The two ends of the connecting rod body 1 are connected to the connecting rod big head section 2 and the connecting rod single ear section 3, so that the connecting rod body 1 is stably connected to the connecting base 6. The connecting rod single ear section 3 is used to connect to the mooring cable head 7 of the mooring cable 8 to perform a tensile test on the mooring cable. The present application reduces damage to the testing machine by increasing the contact surface with the testing machine, thereby achieving the purpose of the tensile test of the mooring cable 8. At the same time, it can also test the tensile strength of the mooring cable head 7 and adapt to mooring cables 8 and mooring cable heads 7 of various sizes. The assembly is simple and convenient, effectively saving labor.

[0042] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. Those skilled in the art will appreciate that other variations or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A mooring line tension test connection device, characterized in that: It includes a connecting rod body and a connecting base. The connecting rod body is connected to the connecting base. One end of the connecting rod body is connected to the connecting rod big head section. A connecting rod single ear section is connected to the connecting rod body away from the connecting rod big head section. The connecting rod single ear section is connected to the mooring cable head through a pin shaft. The mooring cable head is connected to the mooring cable. The connecting base is connected to a tensile testing machine to perform a tensile test on the mooring cable.

2. The mooring line tension test connection device according to claim 1, characterized in that: The connecting rod big end section is fixedly connected to one end of the connecting rod body, and the connecting rod single ear section is fixedly connected to one end of the connecting rod body away from the connecting rod big end section.

3. The mooring line tension test connection device according to claim 2, characterized in that: The connecting rod body is arranged inside the connecting base along the length direction of the connecting base, and the connecting rod big head section and the connecting rod single ear section are both located outside the connecting base.

4. The mooring line tension test connection device according to claim 1, characterized in that: The mooring cable head is provided with a first pin hole, the connecting rod single ear section is provided with a second pin hole, and the pin passes through the first pin hole and the second pin hole in sequence to connect the mooring cable head to the connecting rod single ear section.

5. The mooring line tension test connection device according to claim 4, characterized in that: A U-shaped opening is provided at the mooring cable head, a first pin shaft hole is provided on a side wall of the U-shaped opening, and a connecting rod single ear section is connected in the U-shaped opening.

6. The mooring line tension test connection device according to claim 5, characterized in that: One end of the mooring cable head away from the U-shaped opening is fixedly connected with a mooring cable.

7. The mooring line tension test connection device according to claim 2, characterized in that: The connecting rod big end section and the connecting rod single ear section are both vertically welded to both ends of the connecting rod body.

8. The mooring line tension test connection device according to claim 3, characterized in that: The side where the connecting rod big end section is connected to the connecting rod body is set as an inclined surface so that the connecting rod big end section abuts against the connecting base.

9. The mooring line tension test connection device according to claim 7, characterized in that: The connecting rod body and the connecting rod big end section are both cylindrical.

10. The mooring line tension test connection device according to claim 9, characterized in that: The diameter of the connecting rod big end section is larger than the diameter of the connecting rod body.

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