Clamping and locking device and centrifugal force loading mechanism

Abstract

The invention discloses a clamping and locking device and a centrifugal force loading mechanism. The device comprises a centrifugal force transfer upper joint, a centrifugal force transfer lower joint and a connecting assembly, wherein the centrifugal force load transfer upper joint and the centrifugal force load transfer lower joint are arranged to be semi-cylindrical structure joints respectively, are oppositely arranged in an up-down symmetrical mode and are fixedly connected through a connecting assembly to form an integral columnar joint; the two ends of the centrifugal force load transfer upper connector and the two ends of the centrifugal force load transfer lower connector are each provided with a step-shaped groove, so that after the centrifugal force load transfer upper connector and the centrifugal force load transfer lower connector are oppositely installed, the two ends of the centrifugal force load transfer upper connector and the two ends of the centrifugal force load transfer lower connector are each provided with a step-shaped columnar cavity; and the loading end of the centrifugal force actuator is nested and mounted through the stepped columnar cavity at the other end. According to the technical scheme provided by the invention, the problem that a centrifugal force loading structure bears force through threaded connection and is frequently subjected to fatigue fracture is successfully solved; the main force bearing conduction depends on a step structure and a pin shaft, so that a threaded connection link in loading is eliminated, and the risk of threaded connection fatigue fracture is avoided; and the fracture condition of the threaded force-bearing component in other load loading can be changed by referring to implementation.

Description

Technical Field

[0001] The present invention relates to the field of fatigue testing technology, but is not limited thereto, and in particular to a clamping and locking device and a centrifugal force loading mechanism. Background Art

[0002] In the fatigue test of helicopter rotor system, centrifugal force loading is an indispensable and important part to better simulate the installation environment of the rotating rotor components.

[0003] At present, centrifugal force loading of rotor components is mostly implemented by combining wire ropes with centrifugal force loading actuators (such as actuators). Threaded connection is used in the connection between the wire ropes and the centrifugal force actuators. During the reciprocating motion during the centrifugal force loading process, fatigue fracture of the threaded joints often occurs, which has a serious adverse effect on the loading test. Summary of the invention

[0004] Purpose of the present invention: In order to solve the above-mentioned problems, the embodiments of the present invention provide a clamping and locking device and a centrifugal force loading mechanism to solve the existing test method for centrifugal force loading of rotor components. Since the wire rope and the centrifugal force actuator are threadedly connected by a threaded joint, fatigue fracture of the threaded joint often occurs during the reciprocating motion during the centrifugal force loading process, which seriously affects the normal implementation of the loading test.

[0005] Technical solution of the present invention: In a first aspect, an embodiment of the present invention provides a clamping and locking device, comprising: a centrifugal force transmission upper joint 7, a centrifugal force transmission lower joint 8 and a connecting assembly;

[0006] The centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are respectively configured as semi-cylindrical structure joints, and are relatively arranged in an upper and lower symmetrical manner and fixedly connected by a connecting assembly to form an integral columnar joint;

[0007] The two ends of the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are respectively provided with step-shaped grooves, so that after the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are relatively installed, the two ends form a stepped columnar cavity respectively, and the centrifugal force loading bearing joint 1 is nested and installed through the stepped columnar cavity at one end, and the loading end of the centrifugal force actuator 4 is nested and installed through the stepped columnar cavity at the other end.

[0008] Optionally, in the clamping and locking device as described above,

[0009] The clamping and locking device is used to connect the stepped columnar cavities at both ends of the integral columnar joint formed by the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, corresponding to the columnar step structure at the loading end of the centrifugal force actuator 4 and the columnar step structure at the end of the centrifugal force loading and bearing joint 1, and to bear and transmit the centrifugal force through the matching end faces of the columnar step structure and the stepped columnar cavity, so as to transmit the centrifugal force to the wire rope 3 at the rear end of the loading and bearing joint 1.

[0010] Optionally, in the clamping and locking device as described above, the connection assembly comprises: a centrifugal force bearing pin 9, a bearing pin fixing nut 10;

[0011] The middle part of the semi-cylindrical wall of the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are respectively provided with connecting pin holes for installing the centrifugal force bearing pin 9 through the connecting pin holes on one side, and installing the bearing pin fixing nut 10 through the connecting pin holes on the other side, so that the centrifugal force bearing pin 9 and the bearing pin fixing nut 10 installed relatively from both sides are fixedly connected by threads inside the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, so as to connect the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 into an integral structure.

[0012] Optionally, the clamping and locking device as described above further includes: an anti-drop sleeve 11;

[0013] The anti-drop sleeve 11 is sleeved on the outside of the integral columnar joint formed by the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, and is located outside the centrifugal force bearing pin 9 and the bearing pin fixing nut 10.

[0014] Optionally, the clamping and locking device as described above further comprises: a first loading and fixing nut 12, a second loading and fixing nut 13;

[0015] The outside of the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are provided with external threads, which are screwed to the outside of the integral columnar joint formed by the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 through the first loading fixing nut 12 and the second loading fixing nut 13, and are respectively located at both ends of the anti-drop sleeve 11.

[0016] In a second aspect, an embodiment of the present invention further provides a centrifugal force loading mechanism, comprising: a centrifugal force loading bearing joint 1, a wire rope connection assembly 2, a wire rope 3, a centrifugal force actuator 4, an actuator connecting pin 5, a test bearing stand 6, and a clamping and locking device for connecting the wire rope connection assembly 2 and the centrifugal force actuator 4, wherein the clamping and locking device is the clamping and locking device described in any one of claims 1 to 5;

[0017] Among them, one end of the centrifugal force loading and bearing joint 1 is connected to the wire rope connection assembly 2, and the other end thereof is sleeved and clamped on one end of the clamping and locking device, the loading end of the centrifugal force actuator 4 is sleeved and clamped on the other end of the clamping and locking device, and the fixed end of the centrifugal force actuator 4 is fixedly connected to the test load-bearing bench 6 through the actuator connecting pin 5; the wire rope connection assembly 2 is respectively hinged with a wire rope 3 on both sides.

[0018] Optionally, in the centrifugal force loading mechanism as described above,

[0019] The centrifugal force loading mechanism is used to apply centrifugal force through the centrifugal force actuator 4, and the centrifugal force is transmitted to the centrifugal force loading load-bearing joint 1 and the wire rope connection assembly 2 in sequence through the clamping and locking device, and the centrifugal force transmission between the centrifugal force loading load-bearing joint 1 and the wire rope 3 is realized through the wire rope connection assembly 2.

[0020] Optionally, in the centrifugal force loading mechanism as described above,

[0021] One end of the centrifugal force loading bearing joint 1 is configured as a columnar step structure, which is used to be nested and installed in the stepped columnar cavity at one end of the clamping and locking device;

[0022] The loading end of the centrifugal actuator 4 is configured as a columnar step structure, which is used to be nested and installed in the stepped columnar cavity at the other end of the clamping and locking device;

[0023] The columnar step structure and the matched end surface of the stepped columnar cavity bear and transmit the centrifugal force, so as to transmit the centrifugal force to the steel wire rope 3 at the rear end of the load-bearing joint 1.

[0024] Optionally, in the centrifugal force loading mechanism described above, the wire rope connection assembly 2 comprises: a pin assembly 2a, a wire rope transition connection rod 2b, a first connection pin 2c and a second connection pin 2d;

[0025] Among them, the pin in the pin assembly 2a vertically passes through the centrifugal force loading and bearing joint 1 and is hinged to the end away from the clamping and locking device, and the pin end covers at both ends of the pin limit its axial position. The two side ends of the two pin end covers are respectively hinged to one end of a wire rope transition connecting rod 2b using a second connecting pin 2d, and the two ears at the other end of each wire rope transition connecting rod 2b are respectively hinged to the end of the wire rope 3 using a first connecting pin 2c, thereby forming a centrifugal force transmission path between the wire rope 3 and the centrifugal force actuator 4.

[0026] Beneficial effects of the invention: The embodiments of the invention provide a clamping and locking device and a centrifugal force loading mechanism. On the one hand, the threaded connection between the wire rope 3 and the centrifugal force actuator in the traditional solution is replaced by the structural form of the clamping and locking device, the centrifugal force loading load-bearing joint 1, and the wire rope connecting assembly 2, thereby avoiding the existing test method for centrifugal force loading of the rotor components. Since the wire rope 3 and the centrifugal force actuator are threadedly connected by a threaded joint, fatigue fracture of the threaded joint often occurs during the reciprocating motion of the centrifugal force loading process, which seriously affects the normal implementation of the loading test. On the other hand, the clamping and locking device provided by the invention The main force transmission in the device relies on the centrifugal force loading load-bearing joint 1, the centrifugal force transmission upper joint 7, the centrifugal force transmission lower joint 8, the centrifugal force bearing pin 9, and the columnar step structure of the loading end of the centrifugal force actuator 4, which eliminates the threaded connection link during loading and avoids the risk of fatigue fracture of the threaded connection; on the other hand, the clamping and locking device provided by the embodiment of the present invention adopts a combination of an anti-slip sleeve 11, a first loading fixing nut 12 and a second loading fixing nut 13, which can not only fix the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, but also has a good inhibitory effect on the anti-slip and anti-jamming of the centrifugal force bearing pin 9. The technical solution provided by the embodiment of the present invention has the following beneficial effects:

[0027] The clamping and locking device is easy to install and has a strong load-bearing capacity. It successfully solves the problem of centrifugal force loading structure that relies on threaded connections to bear loads and often suffers fatigue fractures. The main load transmission relies on the step structure and the pin shaft, eliminating the threaded connection link during loading and avoiding the risk of fatigue fracture of the threaded connection. In the case of fracture of threaded load-bearing components during other load loading, the changes can be made accordingly. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0029] Figure 1 A schematic diagram of the overall structure of a clamping and locking device provided in an embodiment of the present invention;

[0030] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the clamping and locking device provided in the illustrated embodiment;

[0031] Figure 3 A schematic diagram of the structure of a centrifugal force loading mechanism provided by an embodiment of the present invention, Figure 3 The partial enlarged schematic diagram in the figure shows the clamping and locking device;

[0032] Figure 4 for Figure 3 The three-dimensional structural diagram of the centrifugal force loading mechanism provided in the embodiment shown, Figure 4 The clamping and locking device is illustrated in the partially enlarged schematic diagram. Specific implementation plan

[0033] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily without conflict.

[0034] The above background technology has explained the importance of centrifugal force loading in fatigue testing of helicopter rotor systems. In the existing test method for centrifugal force loading of rotor components, since the steel wire rope and the centrifugal force actuator are threadedly connected by threaded joints, fatigue fracture of the threaded joints often occurs during the reciprocating motion of the centrifugal force loading process, which seriously affects the normal implementation of the loading test.

[0035] In order to solve the above problems, an embodiment of the present invention provides a clamping and locking device and a centrifugal force loading mechanism, which solves the problem of existing centrifugal force loading tests on rotor components, in which the threaded joints often suffer fatigue fractures during the centrifugal force loading process, thus affecting the normal implementation of the test; the clamping and locking device and the centrifugal force loading mechanism are used to meet the requirements of continuous loading in fatigue test loading.

[0036] The present invention provides the following specific embodiments which can be combined with each other. The same or similar concepts or processes may not be described in detail in some embodiments.

[0037] Embodiment 1:

[0038] Figure 1 A schematic diagram of the overall structure of a clamping and locking device provided in an embodiment of the present invention; Figure 2 for Figure 1 The three-dimensional structural diagram of the clamping and locking device provided in the embodiment shown is as follows. Figure 1 and Figure 2 As shown, the clamping and locking device provided in the embodiment of the present invention comprises: a centrifugal force transmission upper joint 7, a centrifugal force transmission lower joint 8 and a connecting assembly.

[0039] like Figure 1 and Figure 2 In the structure of the clamping and locking device shown, the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are respectively set as semi-cylindrical structural joints, and are relatively arranged in an upper and lower symmetrical manner and fixedly connected by a connecting assembly to form an integral columnar joint.

[0040] In the embodiment of the present invention, step-shaped grooves are respectively provided at both ends of the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, so that after the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are relatively installed, the two ends form step-shaped columnar cavities respectively, and the centrifugal force loading bearing joint 1 is nested and installed through the step-shaped columnar cavity at one end, and the loading end of the centrifugal force actuator 4 is nested and installed through the step-shaped columnar cavity at the other end.

[0041] Based on the structure of the clamping and locking device provided in the above-mentioned embodiment of the present invention, the centrifugal force transmission principle of the clamping and locking device is as follows: the stepped columnar cavities at both ends of the integral columnar joint formed by the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 correspond to the connection form of the columnar step structure at the loading end of the centrifugal force actuator 4 and the columnar step structure at the end of the centrifugal force loading and bearing joint 1, and the centrifugal force is transmitted by the matching end faces of the columnar step structure and the stepped columnar cavity to transmit the centrifugal force to the wire rope 3 at the rear end of the loading and bearing joint 1.

[0042] The clamping and locking device provided in the embodiment of the present invention is used to transmit the centrifugal force from the centrifugal actuator 4 to the wire rope 3, thereby avoiding the existing test method of centrifugal force loading on the rotor components. Since the wire rope 3 and the centrifugal actuator are threadedly connected using a threaded joint, fatigue fracture of the threaded joint often occurs during the reciprocating motion during the centrifugal force loading process, which seriously affects the normal implementation of the loading test.

[0043] In one implementation of the embodiment of the present invention, the connection assembly for connecting the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 includes, for example: a centrifugal force bearing pin 9 and a bearing pin fixing nut 10.

[0044] like Figure 1 and Figure 2 As shown, connecting pin holes are respectively opened in the middle of the semi-cylindrical walls of the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, which are used to install the centrifugal force bearing pin 9 through the connecting pin hole on one side, and install the bearing pin fixing nut 10 through the connecting pin hole on the other side, so that the centrifugal force bearing pin 9 and the bearing pin fixing nut 10 installed relatively from both sides are fixedly connected by threads inside the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, so as to connect the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 into an integral structure.

[0045] In this implementation, the centrifugal force bearing pin 9 and the bearing pin fixing nut 10 are not only used to fix the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, but can also be used for the transmission of centrifugal force.

[0046] In an implementation of the embodiment of the present invention, the clamping and locking device may further include: an anti-drop sleeve 11.

[0047] like Figure 1 and Figure 2 As shown, the anti-drop sleeve 11 is sleeved on the outside of the integral columnar joint formed by the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, and is located outside the centrifugal force bearing pin 9 and the bearing pin fixing nut 10.

[0048] Furthermore, the clamping and locking device in this implementation may also include: a first loading and fixing nut 12, a second loading and fixing nut 13;

[0049] The outside of the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 are provided with external threads. After the anti-slip sleeve 11 is sleeved on the outside of the integral columnar joint, it is screwed to the outside of the integral columnar joint formed by the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8 through the first loading fixing nut 12 and the second loading fixing nut 13, and is respectively located at both ends of the anti-slip sleeve 11.

[0050] In this implementation, an anti-dropping sleeve 11 is used to prevent the centrifugal force bearing pin 9 and the bearing pin fixing nut 10 from falling off, and a first loading fixing nut 12 and a second loading fixing nut 13 are further used to prevent the anti-dropping sleeve 11, the centrifugal force bearing pin 9 and the bearing pin fixing nut 10 from falling off, and further fix the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8.

[0051] Embodiment 2:

[0052] Based on the clamping and locking device provided in the above embodiment of the present invention, the embodiment of the present invention further provides a centrifugal force loading mechanism, such as Figure 3 FIG. 1 is a schematic diagram of a centrifugal force loading mechanism provided by an embodiment of the present invention. Figure 3 The clamping and locking device is shown in the partially enlarged schematic diagram in FIG. Figure 4 As shown, Figure 3 The three-dimensional structural diagram of the centrifugal force loading mechanism provided in the embodiment shown, Figure 4 The clamping and locking device is illustrated in the partially enlarged schematic diagram.

[0053] Reference Figure 3 and Figure 4 As shown, the composition structure of the centrifugal force loading mechanism provided by the embodiment of the present invention includes: a centrifugal force loading load-bearing joint 1, a wire rope connecting assembly 2, a wire rope 3, a centrifugal force actuator 4, an actuator connecting pin 5, a test load-bearing stand 6, and a clamping and locking device for connecting the wire rope connecting assembly 2 and the centrifugal force actuator 4. The clamping and locking device in this embodiment is the clamping and locking device provided in any of the above embodiments.

[0054] In the embodiment of the present invention, one end of the centrifugal force loading and bearing joint 1 is connected to the wire rope connection assembly 2, and the other end thereof is sleeved and clamped on one end of the clamping and locking device, the loading end of the centrifugal force actuator 4 is sleeved and clamped on the other end of the clamping and locking device, and the fixed end of the centrifugal force actuator 4 is fixedly connected to the test load-bearing bench 6 through the actuator connecting pin 5; the wire ropes 3 are respectively hinged on both sides of the wire rope connection assembly 2.

[0055] Based on the structure of the centrifugal force loading mechanism provided in an embodiment of the present invention, the test method of the centrifugal force loading mechanism is: centrifugal force is applied through the centrifugal force actuator 4, and the centrifugal force is transmitted to the centrifugal force loading load-bearing joint 1 and the wire rope connection assembly 2 in sequence through the clamping and locking device, and the centrifugal force transmission between the centrifugal force loading load-bearing joint 1 and the wire rope 3 is realized through the wire rope connection assembly 2.

[0056] In one implementation of an embodiment of the present invention, one end of the centrifugal force loading load-bearing joint 1 is set as a columnar step structure, which is used to be nested in a stepped columnar cavity at one end of the clamping and locking device; similarly, the loading end of the centrifugal force actuator 4 is set as a columnar step structure which can be realized through simple processing, and is used to be nested in the stepped columnar cavity at the other end of the clamping and locking device.

[0057] In this implementation, the centrifugal force is transmitted to the steel wire rope 3 at the rear end of the load-bearing joint 1 by the matching end faces of the columnar step structure and the stepped columnar cavity.

[0058] In the embodiment of the present invention, a clamping and locking device, a centrifugal force loading load-bearing joint 1, and a wire rope connecting assembly 2 are used to replace the threaded connection between the wire rope 3 and the centrifugal force actuator in the traditional solution, thereby avoiding the existing test method for centrifugal force loading of the rotor components. Since the wire rope 3 and the centrifugal force actuator are threadedly connected using a threaded joint, fatigue fracture of the threaded joint often occurs during the reciprocating motion during the centrifugal force loading process, which seriously affects the normal implementation of the loading test.

[0059] In one implementation of the embodiment of the present invention, Figure 3 and Figure 4 As shown, the wire rope connection assembly 2 includes: a pin assembly 2a, a wire rope transition connecting rod 2b, a first connecting pin 2c and a second connecting pin 2d

[0060] In this implementation, the pin in the pin assembly 2a vertically passes through the centrifugal force loading and bearing joint 1 and is hinged to the end away from the clamping and locking device, and the pin end covers at both ends of the pin limit its axial position. The two side ends of the two pin end covers are respectively hinged to one end of a wire rope transition connecting rod 2b using a second connecting pin 2d, and the two ears at the other end of each wire rope transition connecting rod 2b are respectively hinged to the end of the wire rope 3 using a first connecting pin 2c, thereby forming a centrifugal force transmission path between the wire rope 3 and the centrifugal force actuator 4.

[0061] The clamping and locking device and the centrifugal force loading mechanism provided by the embodiments of the present invention, on the one hand, adopt the structural form of the clamping and locking device, the centrifugal force loading bearing joint 1, and the wire rope connection assembly 2 to replace the threaded connection form of the wire rope 3 and the centrifugal force actuator in the traditional solution, thereby avoiding the existing test method for centrifugal force loading of the rotor component. Since the wire rope 3 and the centrifugal force actuator are threadedly connected by a threaded joint, fatigue fracture of the threaded joint often occurs during the reciprocating motion of the centrifugal force loading process, which seriously affects the normal implementation of the loading test; on the other hand, the clamping and locking device provided by the present invention mainly The force transmission relies on the centrifugal force loading force bearing joint 1, the centrifugal force transmission upper joint 7, the centrifugal force transmission lower joint 8, the centrifugal force bearing pin 9, and the columnar step structure of the loading end of the centrifugal force actuator 4, which eliminates the threaded connection link during loading and avoids the risk of fatigue fracture of the threaded connection; on the other hand, the clamping and locking device provided by the embodiment of the present invention adopts a combination of an anti-slip sleeve 11, a first loading fixing nut 12 and a second loading fixing nut 13, which can not only fix the centrifugal force transmission upper joint 7 and the centrifugal force transmission lower joint 8, but also has a good inhibitory effect on the anti-slip and anti-jamming of the centrifugal force bearing pin 9. The technical solution provided by the embodiment of the present invention has the following beneficial effects:

[0062] The clamping and locking device is easy to install and has a strong load-bearing capacity. It successfully solves the problem of centrifugal force loading structure that relies on threaded connections to bear loads and often suffers fatigue fractures. The main load transmission relies on the step structure and the pin shaft, eliminating the threaded connection link during loading and avoiding the risk of fatigue fracture of the threaded connection. In the case of fracture of threaded load-bearing components during other load loading, the changes can be made accordingly.

[0063] Although the embodiments disclosed in the present invention are as above, the contents are only embodiments adopted to facilitate understanding of the present invention and are not intended to limit the present invention. Any technician in the field to which the present invention belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the present invention, but the patent protection scope of the present invention shall still be subject to the scope defined in the attached claims.

Claims

1. A clamping and locking device, characterized in that: include: A centrifugal force transmission upper joint (7), a centrifugal force transmission lower joint (8) and a connection assembly; Wherein, the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) are respectively configured as semi-cylindrical structure joints, and are relatively arranged in an upper and lower symmetrical manner and fixedly connected by a connecting assembly to form an integral columnar joint; The two ends of the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) are respectively provided with step-shaped grooves, so that after the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) are relatively installed, the two ends form step-shaped columnar cavities, and the centrifugal force loading bearing joint (1) is installed by nesting the step-shaped columnar cavity at one end, and the loading end of the centrifugal force actuator (4) is installed by nesting the step-shaped columnar cavity at the other end.

2. The clamping and locking device according to claim 1, characterized in that: The clamping and locking device is used to connect the stepped columnar cavities at both ends of the integral columnar joint formed by the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) to the columnar step structure at the loading end of the centrifugal force actuator (4) and the columnar step structure at the end of the centrifugal force loading and bearing joint (1), and to bear and transmit centrifugal force through the matching end faces of the columnar step structure and the stepped columnar cavity, so as to transmit the centrifugal force to the steel wire rope (3) at the rear end of the loading and bearing joint (1).

3. The clamping and locking device according to claim 1, characterized in that: The connection assembly comprises: a centrifugal force bearing pin (9) and a bearing pin fixing nut (10); The centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) are respectively provided with connecting pin holes in the middle of the semi-cylindrical wall, which are used to install the centrifugal force bearing pin shaft (9) through the connecting pin holes on one side, and to install the bearing pin shaft fixing nut (10) through the connecting pin holes on the other side, so that the centrifugal force bearing pin shaft (9) and the bearing pin shaft fixing nut (10) installed relatively from both sides are fixedly connected by threads inside the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8), so as to connect the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) into an integral structure.

4. The clamping and locking device according to claim 3, characterized in that: Also includes: Anti-drop sleeve (11); The anti-drop sleeve (11) is sleeved on the outside of the integral columnar joint formed by the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8), and is located outside the centrifugal force bearing pin shaft (9) and the bearing pin shaft fixing nut (10).

5. The clamping and locking device according to claim 4, characterized in that: Also includes: A first loading fixing nut (12), a second loading fixing nut (13); The centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) are provided with external threads on the outside, which are screwed to the outside of the integral columnar joint formed by the centrifugal force transmission upper joint (7) and the centrifugal force transmission lower joint (8) through a first loading fixing nut (12) and a second loading fixing nut (13), and are respectively located at both ends of the anti-drop sleeve (11).

6. A centrifugal force loading mechanism, characterized in that: include: A centrifugal force loading bearing joint (1), a wire rope connection assembly (2), a wire rope (3), a centrifugal force actuator (4), an actuator connecting pin (5), a test bearing bench (6), and a clamping and locking device for connecting the wire rope connection assembly (2) and the centrifugal force actuator (4), wherein the clamping and locking device is the clamping and locking device according to any one of claims 1 to 5; One end of the centrifugal force loading and bearing joint (1) is connected to the wire rope connection assembly (2), and the other end thereof is sleeved and clamped on one end of a clamping and locking device; the loading end of the centrifugal force actuator (4) is sleeved and clamped on the other end of the clamping and locking device; the fixed end of the centrifugal force actuator (4) is fixedly connected to the test load-bearing bench (6) through an actuator connecting pin (5); and the two sides of the wire rope connection assembly (2) are respectively hinged with wire ropes (3).

7. The centrifugal force loading mechanism according to claim 6, characterized in that: The centrifugal force loading mechanism is used to apply centrifugal force through a centrifugal force actuator (4), and the centrifugal force is transmitted to the centrifugal force loading load-bearing joint (1) and the wire rope connection assembly (2) in sequence through the clamping and locking device, and the centrifugal force transmission between the centrifugal force loading load-bearing joint (1) and the wire rope (3) is realized through the wire rope connection assembly (2).

8. The centrifugal force loading mechanism according to claim 6, characterized in that: One end of the centrifugal force loading and bearing joint (1) is arranged as a columnar step structure, which is used for being nested and installed in a step-shaped columnar cavity at one end of the clamping and locking device; The loading end of the centrifugal actuator (4) is configured as a columnar step structure, which is used to be nested and installed in the stepped columnar cavity at the other end of the clamping and locking device; The columnar step structure and the matched end surface of the stepped columnar cavity bear and transmit the centrifugal force, so as to transmit the centrifugal force to the steel wire rope (3) at the rear end of the load-bearing joint (1).

9. The centrifugal force loading mechanism according to claim 6, characterized in that: The wire rope connection assembly (2) comprises: a pin assembly (2a), a wire rope transition connection rod (2b), a first connection pin (2c) and a second connection pin (2d); The pin in the pin assembly (2a) vertically passes through the centrifugal force loading bearing joint (1) and is hinged to the end away from the clamping and locking device, and the pin end covers at both ends of the pin limit its axial position. The two side ends of the two pin end covers are respectively hinged to one end of a wire rope transition connecting rod (2b) using a second connecting pin (2d), and the two ears at the other end of each wire rope transition connecting rod (2b) are respectively hinged to the end of the wire rope (3) using a first connecting pin (2c), so as to form a centrifugal force transmission path between the wire rope (3) and the centrifugal force actuator (4).

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