CN217954159U - Performance testing device for shielding corrugated pipe assembly - Google Patents

Abstract

The application discloses a performance testing device of a shielding corrugated pipe assembly, which comprises a first adapter and a second adapter, wherein the first adapter and the second adapter are respectively used for fixing the end part of the shielding corrugated pipe assembly; still include with first adapter or second adapter are connected: the first moving assembly is used for driving the first adapter to reciprocate along a first direction so as to realize the compression and tension test of the shielding corrugated pipe assembly, and the first direction is parallel to the axis of the shielding corrugated pipe assembly; the second moving assembly is used for driving the first adapter to reciprocate along a second direction so as to realize the offset test of the shielding corrugated pipe assembly; the second direction is perpendicular to the first direction; the first rotating assembly is used for driving the second adapter to rotate around a first axis so as to realize the angle offset test of the shielding corrugated pipe assembly.

Description

Performance testing device for shielding corrugated pipe assembly

Technical Field

The present application relates generally to the field of RF shielded bellows technology, and more particularly to a performance testing apparatus for a shielded bellows assembly.

Background

The RF shielding bellows is an indispensable RF shielding structure for an accelerator ultrahigh vacuum system, which can offset installation errors in the vacuum system and can provide stability for a flange transition part.

However, in the installation process, the testing of the contact force of the RF shielding structure of the RF shielding corrugated pipe after the stretching, compression, deflection and angle deflection of the shielding layer of the RF shielding corrugated pipe and the friction life of the RF shielding structure is a necessary premise for ensuring the stable operation of the accelerator, the good contact force can provide better shielding performance for the RF shielding corrugated pipe, and simultaneously, the testing device can provide life reference for the limit stretching life, the limit compression life, the limit deflection life and the limit angle deflection life of the corrugated structure of the RF shielding corrugated pipe under the premise of ensuring the stable ultrahigh vacuum sealing for ensuring ultrahigh vacuum.

Therefore, how to implement various performance tests for the RF shielding corrugated pipe becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks or deficiencies in the prior art, it is desirable to provide a performance testing apparatus for a shield bellows assembly, which can achieve tests for tensile performance, compressive performance, offset performance, angular offset performance, pressure performance, life span, etc. of the shield bellows assembly.

In a first aspect, the present application provides a performance testing apparatus for a shielded corrugated pipe assembly, including a first adaptor and a second adaptor for fixing ends of the shielded corrugated pipe assembly respectively; still include with first adapter or second adapter are connected:

the first moving assembly is used for driving the first adapter to reciprocate along a first direction so as to realize the compression and tension test of the shielding corrugated pipe assembly, and the first direction is parallel to the axis of the shielding corrugated pipe assembly;

the second moving assembly is used for driving the first adapter to reciprocate along a second direction so as to realize the offset test of the shielding corrugated pipe assembly; the second direction is perpendicular to the first direction;

the first rotating assembly is used for driving the second adapter to rotate around a first axis so as to realize the angle deviation test of the shielding corrugated pipe assembly; the first axis is perpendicular to the first and second directions.

Optionally, the first moving assembly includes a first slide rail, a first lead screw, a first slider matched with the first slide rail and the first lead screw, and a first motor matched with the first lead screw;

the second moving assembly comprises a second slide rail, a second lead screw, a second slide block matched with the second slide rail and the second lead screw, and a second motor matched with the second lead screw;

the first rotating assembly comprises a first indexing disc, a third motor arranged on the first indexing disc and a first indexing wheel matched with the third motor.

Optionally, the first adapter is arranged on the first sliding rail and comprises a first adapter seat and a second adapter seat, wherein the first adapter seat is arranged on the first sliding rail;

the second moving assembly is fixedly arranged on the first sliding block, and the first rotating assembly is fixedly arranged on the fixed block;

the first adapter is fixedly arranged on the second sliding block; the second adapter is fixedly arranged on the first indexing wheel.

Optionally, the pressure testing device further comprises a pressure testing assembly, wherein the pressure testing assembly comprises a door frame, a tension meter and a third moving assembly, the third moving assembly is arranged on the door frame and drives the tension meter to move along the first axial direction, and the tension meter is used for performing pressure testing on a shielding layer of the shielding bellows assembly.

Optionally, the third moving assembly includes a third slide rail, a third lead screw, a third slider matched with the third slide rail and the third lead screw, and a sixth motor matched with the third lead screw; the tension meter is arranged on the third sliding block.

Optionally, the method further comprises:

the second rotating assembly is used for driving the first adapter to rotate around the axis of the shielding corrugated pipe assembly so as to realize pressure test on each spring finger on the shielding layer;

and the third rotating assembly is used for driving the second adapter to rotate around the axis of the shielding corrugated pipe assembly so as to realize pressure test of each spring finger on the shielding layer.

Optionally, the second rotating assembly includes a second indexing table, a fourth motor disposed on the second indexing table, and a second indexing wheel engaged with the fourth motor, and the first adaptor seat is disposed on the second indexing wheel;

the third rotating assembly comprises a third indexing disc, a fifth motor arranged on the third indexing disc and a third indexing wheel matched with the fifth motor, and the second adapter is arranged on the third indexing wheel; wherein the content of the first and second substances,

the second rotating assembly is fixedly arranged on the second sliding block, and the third rotating assembly is fixedly arranged on the first indexing wheel.

Optionally, the third rotation assembly comprises a second adaptor for connecting the third index wheel and the second adaptor;

the first rotating assembly comprises a vertical seat fixedly connected with the first indexing disc, and the vertical seat comprises a first mounting plate used for fixing the third rotating assembly and a second mounting plate matched with the second adaptor;

the second mounting plate is provided with a mounting groove used for limiting the second adaptor and at least two limiting ejector pins, and the two limiting ejector pins are respectively located on two sides of the limiting shaft and used for penetrating through the mounting groove and pressing the second adaptor.

Optionally, the system further comprises a control component and a shooting component or a leak detection component connected to the control component, wherein:

the control component is used for controlling and executing one or more of a compression-tension test, an offset test, an angle offset test and a pressure test; and at least one of the following connected to the control assembly:

the shooting assembly is used for carrying out image acquisition on the test process of the shielding corrugated pipe assembly;

the leak detection assembly is used for detecting and testing the corrugated pipe on the shielding corrugated pipe assembly.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

according to the performance testing device provided by the embodiment of the application, mechanical performance testing of the RF shielding corrugated pipe of the ultrahigh vacuum system is realized by designing the plurality of driving assemblies, service life testing, pressure testing, sealing performance testing and the like under one or more different states of stretching, compressing, offsetting and angle offsetting can be carried out on different structures at different positions on the corrugated pipe assembly, and reference and technical support are provided for operation of the RF shielding corrugated pipe after installation through various obtained performances; the performance testing device is simple in operation mode, selection and combination are carried out according to testing requirements, testing is automatically completed, and testing results are accurate.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a shielded bellows assembly according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a shielding layer provided in an embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a performance testing apparatus according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a first moving assembly according to an embodiment of the present application;

FIG. 6 is a schematic view of a second moving assembly and a second rotating assembly mounted according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a rotating assembly provided in an embodiment of the present application;

FIG. 8 is a schematic view of an installation of a first rotating assembly and a third rotating assembly provided by an embodiment of the present application;

fig. 9 is a schematic structural diagram of an adapter provided in an embodiment of the present application;

fig. 10 is a schematic structural diagram of a stand according to an embodiment of the present application;

FIG. 11 is a schematic structural diagram of a connector according to an embodiment of the present application;

FIG. 12 is a schematic structural diagram of a pressure testing assembly according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of an adapter according to an embodiment of the present application;

FIG. 14 is a schematic structural diagram of a control assembly provided in an embodiment of the present application;

fig. 15 is a schematic structural diagram of a camera assembly according to an embodiment of the present disclosure;

FIG. 16 is a flowchart of a performance testing method provided by an embodiment of the present application;

FIG. 17 is a schematic structural diagram of a performance testing apparatus according to an embodiment of the present application;

fig. 18 is a schematic structural diagram of a performance testing apparatus according to an embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, the present application provides an RF (Radio Frequency) shielded bellows assembly 1000 comprising a bellows 1, an inner tube 2 located inside the bellows 1, and a shield layer located between the bellows 1 and the inner tube 2, the shield layer comprising a plurality of spring fingers 3 and contact fingers 4 circumferentially disposed around the inner tube 2. The corrugated pipe 1 has certain scalability, two flanges are respectively arranged at two ends of the corrugated pipe 1, and two vacuum chambers can be communicated through the flanges at the two ends. A plurality of spring fingers 3 are circumferentially arrayed between the bellows 1 and the inner tube 2, and one end of each spring finger 3 is fixedly connected to the flange and the other end extends obliquely downward, i.e., the other end of each spring finger 3 is inclined and extends in a direction toward the axis of the inner tube 2. A plurality of contact fingers 4 are circumferentially arrayed between the other end of the inner pipe 2 and the other flange, the length directions of all the contact fingers 4 are all parallel to the straight line where the axis of the inner pipe 2 is located, one end of each contact finger 4 is fixed on the other flange, and the other end of each contact finger 4 is lapped on the other end of the inner pipe 2. The other end of the spring finger 3 presses against the other end of the contact finger 4.

In application, the spring fingers 3 are uniformly pressed on the contact fingers 4 one by one, the spring fingers 3 are bent downwards by the other end at a certain angle, the certain angle is a pre-folding angle, contact force between the spring fingers 3 and the contact fingers 4 is provided by the pre-folding angle, and the contact force between the spring fingers 3 and the contact fingers 4 enables the contact fingers 4 to be still stably contacted with the inner pipe 2 under the conditions of stretching, compression, deflection and angular deflection of the corrugated pipe 1.

However, as the compression, tension, or bending of the RF shield bellows 1 changes, the contact force is affected when the contact fingers 4 and the spring fingers 3 are relatively offset, and even when the shield layer is fatigued, it may happen that the spring fingers 3 slip off the contact fingers 4. Therefore, the value of the contact force is very important and is an important parameter for the performance of the bellows 1. In addition, the sealing performance of bellows 1 is also an important performance parameter for RF shielding bellows 1.

Referring to fig. 4 in detail, the present application provides a performance testing apparatus for a shielding bellows assembly, which includes a first adapter 6 and a second adapter 7 for fixing ends of the shielding bellows assembly 1000; the first rotating assembly 100, the second rotating assembly 200, the first rotating assembly 300, the second rotating assembly 400, the third rotating assembly 500 and the like are connected with the first adapter 6 or the second adapter 7.

Fig. 5 shows a first moving assembly 100, wherein the first moving assembly 100 is configured to drive the first adaptor seat 6 to reciprocate along a first direction X to implement a compression-tension test of the shielding bellows assembly 1000, and the first direction X is parallel to an axis of the shielding bellows assembly 1000; in one embodiment of the present application, the first moving assembly 100 includes a first slide rail 10, a first lead screw 11, a first slider 12 engaged with the first slide rail 10 and the first lead screw 11, and a first motor 13 engaged with the first lead screw 11. The device further comprises a fixed block 17 arranged in the extension direction of the first slide rail 10.

The first slide rail 10 is box-shaped, the first lead screw 11 is fixed inside the box-shaped first slide rail 10, and the first motor 13 is fixed at one end of the first slide rail 10 and penetrates through the outer wall of the box-shaped first slide rail 10 to be connected with the first lead screw 11. It should be noted that, in the embodiment of the present application, the fixing block 17 is fixedly disposed inside the first slide rail 10 to ensure the coaxiality of the RF shielding bellows assembly 1000 under test, and a through hole for allowing the first lead screw 11 to pass through is disposed on the fixing block 17. However, the present application is not limited thereto, as long as the fixing block 17 is disposed on the extension line of the first lead screw 11 or the first slide rail 10, so as to ensure the coaxiality of the RF shield bellows assembly 1000 after the installation.

In addition, a graduated scale 16 is further arranged on the outer side wall of the first slide rail 10, an alignment mark 15 matched with the graduated scale is arranged on the first slide block 12, a first manual knob 14 matched with the first lead screw 11 is further arranged on the first lead screw 11, and the first lead screw 11 can be manually rotated through the first manual knob 14 and drives the first slide block 12 to reciprocate on the first slide rail 10 (along the first direction X), so that the position adjustment, the manual alignment and the like of the first slide block 12 are realized.

As shown in fig. 6, a second moving assembly 200 is provided, where the second moving assembly 200 is configured to drive the first adaptor seat 6 to reciprocate along a second direction Y to implement the offset test of the shielding bellows assembly 1000; the second direction Y is perpendicular to the first direction X. In one embodiment of the present application, the second moving assembly 200 includes a second slide rail 20, a second lead screw 21, a second slider 22 engaged with the second slide rail 20 and the second lead screw 21, and a second motor 23 engaged with the second lead screw 21.

When the box-shaped second slide rail 20 is used, the second lead screw 21 is fixed inside the box-shaped second slide rail 20, and the second motor 23 is fixed at one end of the second slide rail 20 and connected with the second lead screw 21 through the outer wall of the box-shaped second slide rail 20. A graduated scale 26 is further arranged on the outer side wall of the second slide rail 20, an alignment mark 25 matched with the graduated scale is arranged on the second slide block 22, a second manual knob 24 matched with the second lead screw 21 is further arranged on the second lead screw 21, and the second lead screw 21 can be manually rotated through the second manual knob 24 and drives the second slide block 22 to reciprocate on the second slide rail 20 (along the second direction Y) so as to realize position adjustment, manual alignment and the like of the second slide block 22.

Fig. 7 shows a first rotating assembly 300, where the first rotating assembly 300 is used to drive the second adapter 7 to rotate around a first axis, so as to implement an angular offset test of the shielding bellows assembly 1000; the first axis is perpendicular to the first direction X and the second direction Y, the first axis is in the same direction with the third direction Z, and the third direction Z is perpendicular to the first direction X and the second direction Y. In one embodiment of the present application, the first rotating assembly 300 includes a first index plate 30, a third motor 31 provided on the first index plate 30, and a first index wheel 32 engaged with the third motor 31.

When the first indexing disc 30 is used, the first indexing disc 30 is box-shaped, the third motor 31 is fixed on the outer wall of the first indexing disc 30, the first indexing wheel 32 is connected with the third motor 31 through the gear mechanism, and the third motor 31 drives the gear mechanism and drives the first indexing wheel 32 to rotate around the first axis. It will be appreciated that the position of the motor and the manner of coupling the motor to the index wheel are not limited in the embodiments of the present application, and that the first index wheel 32 can be rotated about the first axis in a number of different manners known in the art.

A graduated scale 36 is further arranged on the outer peripheral surface of the first graduated wheel 32, an alignment mark 35 matched with the graduated scale 36 is arranged on the first graduated disk 30, a third manual knob 34 matched with the first graduated wheel 32 is further arranged on the first graduated disk 30, and the first graduated wheel 32 can be manually rotated and rotated through the third manual knob 34 so as to realize position adjustment, manual alignment and the like of the first graduated wheel 32.

Fig. 7 shows a second rotating assembly 400, where the second rotating assembly 400 is used to drive the first adapter 6 to rotate around the axis of the shielding bellows assembly 1000, so as to perform a pressure test on each spring finger 3 on the shielding layer; in one embodiment of the present application, the second rotating assembly 400 includes a second indexing table 40, a fourth motor 41 disposed on the second indexing table 40, and a second indexing wheel 42 engaged with the fourth motor 41.

When the second indexing plate 40 is used, the second indexing plate 40 is box-shaped, the fourth motor 41 is fixed on the outer wall of the second indexing plate 40, the second indexing wheel 42 is connected with the fourth motor 41 through the gear mechanism, and the gear mechanism is driven by the fourth motor 41 and drives the second indexing wheel 42 to rotate around the first axis. It will be appreciated that the position of the motor and the manner in which the motor is coupled to the indexing wheel are not limited in the embodiments of the present application and that the second indexing wheel 42 can be rotated about the first axis in a number of different ways known in the art.

A graduated scale 46 is further arranged on the outer peripheral surface of the second graduated wheel 42, an alignment mark 45 matched with the graduated scale is arranged on the second graduated wheel 40, a fourth manual knob 44 matched with the second graduated wheel 42 is further arranged on the second graduated wheel 40, and the second graduated wheel 42 can be manually rotated to rotate through the fourth manual knob 44 so as to realize position adjustment, manual alignment and the like of the second graduated wheel 42.

Fig. 7 shows a third rotating assembly 500, where the third rotating assembly 500 is used to drive the second adapter 7 to rotate around the axis of the shielded bellows assembly 1000, so as to perform a pressure test on each spring finger 3 on the shielding layer. In one embodiment of the present application, the third rotating assembly 500 includes a third indexing wheel 50, a fifth motor 51 disposed on the third indexing wheel 50, and a third indexing wheel 52 engaged with the fifth motor 51.

When the third dial 50 is used, the third dial 50 is box-shaped, the fifth motor 51 is fixed on the outer wall of the third dial 50, the third indexing wheel 52 is connected with the fifth motor 51 through a gear mechanism, and the fifth motor 51 drives the gear mechanism and drives the third indexing wheel 52 to rotate around the first axis. It will be appreciated that the position of the motor and the manner of coupling the motor to the index wheel are not limited in the embodiments of the present application, and that the third index wheel 52 can be rotated about the first axis in a number of different manners known in the art.

A graduated scale 56 is further arranged on the outer peripheral surface of the third graduated wheel 52, an alignment mark 55 matched with the graduated scale is arranged on the third graduated wheel 50, a fifth manual knob 54 matched with the third graduated wheel 52 is further arranged on the third graduated wheel 50, and the third graduated wheel 52 can be manually rotated to rotate through the fifth manual knob 54, so that the position adjustment, the manual alignment and the like of the third graduated wheel 52 are realized.

It can be understood that, in the embodiment of the present application, the first adaptor 6 and the second adaptor 7 are respectively used to fix one end of the RF shielding bellows assembly 1000, and the adaptor drives the end of the RF shielding bellows assembly 1000 to move along different directions, so as to implement performance tests under different states. As to the state of the RF shielding bellows assembly 1000, the present application does not limit to which end moves specifically, so that, in application, the first adapter 6 and the second adapter 7 can be interchanged to implement performance tests in different states by moving different ends.

As shown in fig. 4 and 8, in the embodiment of the present application, the first adapter 6 is disposed on the second indexing wheel 42, and the second adapter 7 is disposed on the third indexing wheel 52; the second rotating assembly 400 is fixedly disposed on the second slider 22, and the third rotating assembly 500 is fixedly disposed on the first index wheel 32. The second moving assembly 200 is fixedly disposed on the first sliding block 12, and the first rotating assembly 300 is fixedly disposed on the fixed block 17.

The compression-tension test in this application is a movement of the RF shield bellows assembly 1000 in the direction of the axis of the inner tube 2, i.e., a compression-tension movement in the first direction X; the offset test is that one end of the RF shielding bellows assembly 1000 is fixed, and the other end reciprocates in the second direction Y in the horizontal plane of the axis of the inner tube 2; the angular offset test is an offset test in which one end of the RF shielded bellows assembly 1000 is fixed and the other end reciprocates about a first axis within a horizontal plane in which the axis of the inner tube 2 lies.

When in use, the first motor 13 in the first moving assembly 100 drives the first slider 12 to reciprocate along the first direction X through the first lead screw 11, and the second moving assembly 200 on the first slider 12, the second rotating assembly 400 on the second moving assembly 200, and the first adapter 6 on the second rotating assembly 400 reciprocate along the first direction X along with the first slider 12, so as to implement a compression and tension test on the shielding bellows assembly 1000.

The second motor 23 in the second moving assembly 200 drives the second slider 22 to reciprocate along the second direction Y through the second lead screw 21, and the second rotating assembly 400 on the second slider 22 and the first adapter 6 on the second rotating assembly 400 reciprocate along the first direction X together with the first slider 12, so as to implement the offset test of the shielded bellows assembly 1000.

The third motor 31 in the first rotating assembly 300 drives the third rotating assembly 500 to rotate around the first axis through the first indexing wheel 32, and the second adapter 7 on the third rotating assembly 500 reciprocates around the first axis along with the first indexing wheel 32, so as to implement the angular offset test of the shielding bellows assembly 1000.

The axis of the second dial 40 and the axis of the third dial 50 of the second rotating assembly 400 are aligned with the axis of the shield bellows assembly 1000. The fourth motor 41 in the second rotating assembly 400 rotates around the axis of the inner cylinder through the second indexing wheel 42, and the second indexing wheel 42 drives the first adapter 6 to rotate; the fifth motor 51 in the third rotating assembly 500 rotates around the inner cylinder axis through the third indexing wheel 52, and the third indexing wheel 52 drives the second adapter 7 to rotate; thereby realizing that the shielding corrugated pipe assembly 1000 integrally rotates around the axis of the shielding corrugated pipe assembly 1000. Of course, when one of the end portions is fixed, the other adapter drives the other end portion to rotate, so that the torsion test of the shielding corrugated pipe assembly 1000 can be realized. When the first adapter seat 6 and the second adapter seat 7 rotate simultaneously, subsequent pressure test can be facilitated.

In one embodiment of the present application, the third rotating assembly 500 comprises a second adaptor 57 for connecting the third index wheel 52 and the second adaptor 7, as shown in fig. 9; the second adapter part 57 can serve for the purpose of extension and connection on the one hand, and on the other hand, can keep the stability of the movement state.

The first rotating assembly 300 includes an upright seat 90 fixedly connected to the first indexing disk 30, and the upright seat 90 can be fixed to the first indexing disk 30 by a connecting member 32, wherein the upright seat 90 is configured as shown in fig. 10, and the connecting member 32 is configured as shown in fig. 11. The stand 90 includes a first mounting plate 95 for fixing the third rotating assembly 500 and a second mounting plate 96 engaged with the second adaptor 57. The second mounting plate 96 is provided with a mounting groove 92 for limiting the second adaptor 57 and at least two limiting ejector pins 93, and the two limiting ejector pins 93 are respectively located on two sides of the limiting shaft and used for penetrating through the mounting groove 92 and pressing the second adaptor 57.

Exemplarily, the second adaptor 57 is configured to be a cylinder, as shown in fig. 9, a positioning protrusion 91 is provided on the cylinder-shaped second adaptor 57, and the positioning protrusion 91 can be inserted into the mounting groove 92 and is matched with an end surface of the mounting groove 92 for limiting. In addition, the limiting ejector pin 93 can be a screw, a threaded hole 94 matched with the limiting ejector pin 93 is formed in the outer side surface of the mounting groove 92, and the pressing degree of the limiting ejector pin 93 on the second adaptor 57 can be adjusted through the threaded hole 94. The limiting thimble 93 can prevent the movement in other directions except the limited direction in the testing process.

Similarly, the second rotating assembly 400 comprises a first coupling element 47 for coupling the second index wheel 42 and the first coupling seat 6, as shown in fig. 9; the first adapter 47 can serve for the purpose of extension and connection, on the one hand, and can maintain the stability of the movement state, on the other hand.

Similarly, the second moving assembly 200 includes an upright seat 90 (shown in fig. 10) fixedly connected to the second sliding block 22, and the upright seat 90 includes a first mounting plate 95 for fixing the second rotating assembly 400 and a second mounting plate 96 (shown in fig. 11) engaged with the first rotating member 47. The second mounting plate 96 is provided with a mounting groove 92 for limiting the first adapter 47 and at least two limiting ejector pins 93, and the two limiting ejector pins 93 are respectively located on two sides of the limiting shaft and are used for penetrating through the mounting groove 92 and pressing the first adapter 47.

The second adaptor 57 is exemplarily configured to be cylindrical, as shown in fig. 9, and can be inserted into the mounting groove 92, and is limited by an end surface of the mounting groove 92. The limiting ejector pin 93 can be a screw, a threaded hole 94 matched with the limiting ejector pin 93 is formed in the outer side face of the mounting groove 92, and the compression degree of the limiting ejector pin 93 on the second adaptor 57 can be adjusted through the threaded hole 94. The limiting thimble 93 can prevent the movement in other directions except the limited direction in the testing process.

In another embodiment of the present application, the apparatus further comprises a pressure testing assembly 600. As shown in fig. 12, the pressure testing assembly 600 includes a door frame 60, a tension meter 61, and a third moving assembly 900 disposed on the door frame 60 and driving the tension meter 61 to move along a first axial direction, wherein the tension meter 61 is used for performing a pressure test on a shielding layer of the shielding bellows assembly 1000. In one embodiment of the present application, the third moving assembly 900 includes a third slide rail 62, a third lead screw 63, a third slider 64 engaged with the third slide rail 62 and the third lead screw 63, and a sixth motor (not shown) and/or a sixth manual knob 65 engaged with the third lead screw 63; the tension meter 61 is disposed on the third slider 64.

When the pressure test is carried out, the spring finger 3 to be tested is rotated to the position corresponding to the tension meter 61 by matching with other driving assemblies, the tension meter 61 is connected with the end part of the spring finger 3 on the RF shielding corrugated pipe assembly 1000, the tension meter 61 is driven by the third lead screw 63 to move up and down along the direction of the third slide rail 62, and the contact force between the spring finger 3 and the contact finger 4 is obtained; when the next spring finger 3 is to be tested, the next spring finger 3 to be tested is rotated to a corresponding position by matching with other driving assemblies, and the pressure test of the spring finger 3 in one or more states (such as a limit position) of stretching, deviation and angular deviation of the shielding corrugated pipe is realized by adjusting corresponding equipment.

In the embodiment of the present application, the method for characterizing the pressure test is to pull the spring finger 3 by the upward movement of the tension meter 61, and when a gap occurs between the spring finger 3 and the contact finger 4, the count of the tension meter 61 at this time characterizes the contact force between the spring finger 3 and the contact finger 4. Of course, the contact force may also be characterized in other ways in other embodiments. The pressure test in the embodiment of the present application is not limited to the pressure test for the contact force between the spring finger 3 and the contact finger 4, and may be a pressure test at another position, for example, the pressure between the stay 5 and the end portion located outside the corrugated pipe 1.

A graduated scale is further arranged on the outer side wall of the third slide rail 62, an alignment mark matched with the graduated scale is arranged on the third slide block, a sixth manual knob 65 matched with the third screw 63 is further arranged on the third screw 63, and the third screw 63 can be manually rotated through the sixth manual knob 65 and can be driven to reciprocate (along a third direction Z or a first axis direction) on the third slide rail 62, so that the position adjustment, the manual alignment and the like of the tension meter 61 can be realized.

It should be noted that, in the embodiment of the present application, connection or fixing manners between different components are not particularly limited, and when the application is performed, a bolt, a screw, a snap, a magnetic switch, or other detachable connection manners may be adopted. In addition, the position of each driving component is not particularly limited, so as to realize the movement or rotation in the preset direction, and the position can be adjusted according to the space, the position and the like when arranging and installing.

Fig. 13 illustrates a schematic view of a first adapter 6 (a second adapter 7), which is integrally i-shaped, and one end of the adapter is connected to the first adapter 47 (the second adapter 57), and the other end of the adapter is connected to a flange of the shielding bellows assembly 1000.

In this embodiment, the apparatus further comprises a control component 700, and a camera component 800 and a leak detection component connected to the control component 700.

The control assembly 700 is configured to control the performance of one or more of a compression-tension test, an offset test, an angular offset test, and a pressure test. As shown in fig. 14, the control assembly 700 may be an electronic device 70, such as a computer, which is fixed to the test platform by a bracket 71.

The shooting assembly 800 is used for image acquisition in the testing process of the shielding bellows assembly 1000, further test analysis and the like can be performed through the acquired images, for example, image acquisition is performed on the contact position between the contact finger 4 and the spring finger 3 through the shooting assembly 800 during pressure testing, and whether a gap occurs between the contact finger 4 and the spring finger 3 is determined through the acquired images. As shown in fig. 15, the shooting assembly 800 may include a camera 80 or a sensor, and the like, and is fixedly disposed on the testing platform through the T-shaped bracket 81 and the magnetic switch 82 disposed on the T-shaped bracket 81, and the fixing position of the shooting assembly 800 may be adjusted through the magnetic switch 82, so as to achieve image acquisition on different parts.

The leak detection assembly (not shown) is used to perform a test of the bellows 1 on the shielded bellows assembly 1000. In the embodiment of the present application, the leak detection assembly may employ a leak detector for detecting the sealing performance of the bellows 1 by being connected to both ends of the RF shield bellows assembly 1000, respectively.

As shown in fig. 16, the present application provides a performance testing method for a shielding corrugated pipe assembly 1000, where the shielding corrugated pipe assembly 1000 includes a corrugated pipe 1, an inner pipe 2 located inside the corrugated pipe 1, and a shielding layer located between the corrugated pipe 1 and the inner pipe 2, and the method includes:

s02, fixing the shielding corrugated pipe 1 on a first adapter 6 and a second adapter 7, and performing a first performance test on the corrugated pipe 1, wherein the first performance test comprises one or more of a compression-tension test, an offset test, an angle offset test and a leak detection test; wherein the leak detection test is a seal performance test of the shielded bellows assembly 1000 under the influence of one or more of compression, tension, deflection, and angular deflection.

S04, fixing the shielding corrugated pipe 1 without the corrugated pipe 1 on a first adapter 6 and a second adapter 7, and performing a second performance test on the shielding layer, wherein the second performance test comprises one or more of a compression-tension test, an offset test, an angle offset test and a pressure test; wherein, the pressure test is a pressure performance test of the shielding corrugated pipe assembly 1000 under the influence of one or more states of compression, tension, deflection and angular deflection.

In the embodiment of the present application, as shown in fig. 17, one end (flange) of the shield bellows assembly 1000 (including the bellows 1) is fixed to the first adapter 6, and the other end (flange) of the shield bellows assembly 1000 is fixed to the second adapter 7. After connection is completed, after the driving components are controlled by a manual knob or a motor to be aligned, the control components 700 are used for controlling the driving components to perform compression and tension test, offset test, angle offset test, leakage detection test and the like.

For example, the control assembly 700 controls the first lead screw 11 in the first moving assembly 100 to drive the first slider 12 to move, and drives the bellows 1 assembly 1000 to stretch and compress, so as to implement a compression-stretch test; the second screw 21 in the second moving assembly 200 drives the second slider 22 to move, and drives one end of the assembly 1000 of the bellows 1 to move along the second direction Y, so as to realize the offset test; one end of the bellows 1 assembly 1000 is driven to rotate around a first axis by a first index wheel 32 in the first rotating assembly 300, so that an angular deviation test is realized; the shielded bellows assembly 1000 is tested by a leak detection assembly, and the tightness of the bellows 1 under the influence of a single state or a plurality of states of tension, compression, deflection and angular deflection is tested in the test process by combining other driving assemblies.

In the embodiment of the present application, as shown in fig. 18, one end (flange) of the shield bellows assembly 1000 (excluding the bellows 1) is fixed to the first adapter 6, and the other end (flange) of the shield bellows assembly 1000 is fixed to the second adapter 7. After connection is completed, after the driving components are controlled by a manual knob or a motor to be aligned, the control components 700 are used for controlling the driving components to perform compression and tension test, offset test, angle offset test, leakage detection test and the like.

For example, the control assembly 700 controls the first lead screw 11 in the first moving assembly 100 to drive the first slider 12 to move, and drives the bellows 1 assembly 1000 to stretch and compress, so as to implement a compression-stretch test; the second screw 21 in the second moving assembly 200 drives the second slider 22 to move, and drives one end of the bellows 1 assembly 1000 to move along the second direction Y, so as to realize the offset test; the first indexing wheel 32 in the first rotating assembly 300 drives one end of the bellows 1 assembly 1000 to rotate around the first axis, so as to realize the angular deviation test; the contact force of the spring finger 3 is tested by the pressure test assembly 600, and the pressure test of the spring finger 3 and the contact finger 4 under the influence of single or multiple states of tension, compression, deflection and angular deflection is performed in combination with other driving assemblies in the test process.

It is to be understood that the present application illustrates various testing methods in the embodiments of the present application, but the present application is not limited thereto, and the present application describes the shielding layer test and the bellows test exemplarily, and the forming test can be performed by using the apparatus of the present application when other structures are included in the shielded bellows assembly. In addition, other various performance test modes can be included in specific application. Of course, other testing equipment may also be incorporated to obtain performance testing of the shielded bellows assembly in different states in the present application.

In the embodiment of the present application, life tests of the corrugated pipe (shielding layer) under different conditions can also be performed, for example, by observing whether powder appears on the surface of the material after the shielding corrugated pipe assembly (including the corrugated pipe or removing the corrugated pipe) moves mutually, and when the powder appears, determining the limit life test of the corrugated pipe under the conditions of stretching, compression, deflection and angular deflection according to a counting system of the control assembly.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims (9)

1. A performance testing device for a shielding corrugated pipe assembly is characterized by comprising a first adapter and a second adapter, wherein the first adapter and the second adapter are respectively used for fixing the end part of the shielding corrugated pipe assembly; still include with first adapter or second adapter are connected:

the first moving assembly is used for driving the first adapter to reciprocate along a first direction so as to realize the compression and tension test of the shielding corrugated pipe assembly, and the first direction is parallel to the axis of the shielding corrugated pipe assembly;

the second moving assembly is used for driving the first adapter to reciprocate along a second direction so as to realize the offset test of the shielding corrugated pipe assembly; the second direction is perpendicular to the first direction;

the first rotating assembly is used for driving the second adapter to rotate around a first axis so as to realize the angle deviation test of the shielding corrugated pipe assembly; the first axis is perpendicular to the first and second directions.

2. The apparatus of claim 1, wherein the first moving assembly comprises a first slide rail, a first lead screw, a first slider engaged with the first slide rail and the first lead screw, and a first motor engaged with the first lead screw;

the second moving assembly comprises a second slide rail, a second lead screw, a second slide block matched with the second slide rail and the second lead screw, and a second motor matched with the second lead screw;

the first rotating assembly comprises a first indexing disc, a third motor arranged on the first indexing disc and a first indexing wheel matched with the third motor.

3. The device according to claim 2, further comprising a fixing block disposed in an extending direction of the first slide rail, wherein the fixing block is configured to fix the second adapter;

the second moving assembly is fixedly arranged on the first sliding block, and the first rotating assembly is fixedly arranged on the fixed block;

the first adapter is fixedly arranged on the second sliding block; the second adapter is fixedly arranged on the first indexing wheel.

4. The apparatus of claim 3, further comprising a pressure testing assembly including a door frame, a tension meter, and a third movement assembly disposed on the door frame and driving the tension meter to move in the first axial direction, the tension meter for pressure testing a shielding layer of the shielded bellows assembly.

5. The apparatus of claim 4, wherein the third moving assembly comprises a third slide rail, a third lead screw, a third slide block cooperating with the third slide rail and the third lead screw, and a sixth motor cooperating with the third lead screw; the tension meter is arranged on the third sliding block.

6. The apparatus of claim 4, further comprising:

the second rotating assembly is used for driving the first adapter to rotate around the axis of the shielding corrugated pipe assembly so as to realize the pressure test of each spring finger on the shielding layer;

and the third rotating assembly is used for driving the second adapter to rotate around the axis of the shielding corrugated pipe assembly so as to realize the pressure test of each spring finger on the shielding layer.

7. The apparatus of claim 6, wherein the second rotating assembly comprises a second indexing table, a fourth motor disposed on the second indexing table, and a second indexing wheel cooperating with the fourth motor, the first adaptor being disposed on the second indexing wheel;

the third rotating assembly comprises a third indexing disc, a fifth motor arranged on the third indexing disc and a third indexing wheel matched with the fifth motor, and the second adapter is arranged on the third indexing wheel; wherein the content of the first and second substances,

the second rotating assembly is fixedly arranged on the second sliding block, and the third rotating assembly is fixedly arranged on the first indexing wheel.

8. The apparatus of claim 7, wherein the third rotation assembly includes a second adaptor for connecting the third index wheel and the second adaptor;

the first rotating assembly comprises a vertical seat fixedly connected with the first indexing disc, and the vertical seat comprises a first mounting plate for fixing the third rotating assembly and a second mounting plate matched with the second adapter piece;

the second mounting plate is provided with a mounting groove used for limiting the second adaptor and at least two limiting ejector pins, and the two limiting ejector pins are respectively located on two sides of the limiting shaft and used for penetrating through the mounting groove and pressing the second adaptor.

9. The apparatus of claim 1, further comprising a control component and a camera component or leak detection component connected to the control component, wherein:

the control component is used for controlling and executing one or more of a compression-tension test, an offset test, an angle offset test and a pressure test;

the shooting assembly is used for carrying out image acquisition on the test process of the shielding corrugated pipe assembly;

and the leakage detection assembly is used for detecting and testing the corrugated pipe on the shielding corrugated pipe assembly.

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