Inner cone detection device

Abstract

The application discloses an inner cone detection device, wherein the inner cone detection device comprises a detection mechanism and a plurality of insertion mechanisms; the detection mechanism comprises a shell and a detection element; the shell is provided with an inner cavity and a plurality of detection holes; the inner cavity is used for filling insulation gas; the detection holes are communicated with the inner cavity; the detection element is used for detecting the performance of the inner cone; each detection hole is used for inserting the inner cone to be detected; one end of each insertion mechanism is detachably connected with the shell and is arranged opposite to one detection hole; each insertion mechanism is used for fixing a cable and driving the cable to be inserted into the detection hole; when the inner cone to be detected is inserted into the detection hole, the insertion mechanism drives the cable to be inserted into or withdrawn from the detection hole. The technical scheme of the application can automatically push the cable to be inserted into the inner cone, thereby improving the detection efficiency of the inner cone detection device.

Description

Technical Field

[0001] This invention relates to the field of testing equipment technology, and in particular to an internal cone testing device. Background Technology

[0002] The inner cone is an important component of pluggable cable terminations. According to relevant standards, each inner cone must undergo power frequency withstand voltage and partial discharge tests before leaving the factory. Therefore, testing efficiency is crucial for manufacturers.

[0003] The equipment currently used for testing the withstand voltage and partial discharge performance of the inner cone is not very automated. Before testing, personnel need to manually clamp the inner cone and fittings, and after testing, they also need to manually disassemble them. When the inner cone is tightly clamped to the sleeve, it takes a lot of time to disassemble, which is time-consuming and labor-intensive. Summary of the Invention

[0004] The main objective of this invention is to provide an inner cone detection device that can automatically push the cable to be inserted into or removed from the inner cone, thereby improving the detection efficiency of the inner cone detection device.

[0005] To achieve the above objectives, the present invention proposes an internal cone detection device, the internal cone detection device comprising:

[0006] The testing mechanism includes a housing and a testing element. The housing has an inner cavity and multiple testing holes. The inner cavity is filled with insulating gas, and the multiple testing holes communicate with the inner cavity. The testing element is used to test the performance of the inner cone. Each testing hole is used to insert and test the inner cone.

[0007] Multiple insertion mechanisms are provided, one end of each of which is detachably connected to the housing and is disposed opposite to a detection hole; each insertion mechanism is used to fix a cable and drive the cable to be inserted into the detection hole.

[0008] When the inner cone to be tested is inserted into the detection hole, the insertion mechanism drives the cable to be inserted into or withdrawn from the detection hole.

[0009] In one embodiment, the insertion mechanism includes:

[0010] A guide rod assembly, one end of which is detachably connected to the housing, the guide rod assembly including a guide rod;

[0011] A control component, wherein the control component is detachably connected to the guide rod;

[0012] A slide table, slidably mounted on the guide rod, the slide table having a mounting hole for mounting a cable that is inserted into the inner cone to be tested; and

[0013] A drive assembly, which is movably connected to the housing and is drive-connected to the slide table;

[0014] The drive assembly drives the slide to slide along the guide rod, so that the slide drives the cable to be inserted into the inner cone to be tested located in the detection hole.

[0015] In one embodiment, the driving component includes:

[0016] A lead screw, one end of which is rotatably connected to the housing, and the other end of which is movably connected to the guide rod assembly;

[0017] A drive nut, which is movably mounted on the lead screw and detachably connected to the slide; and

[0018] A drive motor, wherein the drive motor is connected to the lead screw drive;

[0019] The drive motor drives the lead screw to rotate, so that the lead screw drives the drive nut and the slide to move.

[0020] In one embodiment, the drive nut includes:

[0021] The mounting housing is detachably connected to the slide table. The mounting housing has a mounting cavity and a through hole, the through hole communicating with the mounting cavity, and the lead screw movably passing through the through hole.

[0022] The first half nut is movably connected to the mounting cavity, and the inner wall of the first half nut is threaded.

[0023] The second half nut is movably connected to the mounting cavity and is correspondingly arranged with the first half nut; the outer wall of the first half nut and the outer wall of the second half nut form a guide groove.

[0024] At least one wedge, the wedge being movably embedded within the guide groove; and

[0025] A fork, one end of which is rotatably connected to one end of the wedge block;

[0026] Wherein, after the shift fork drives the wedge block to move along the guide groove, the first half nut descends and abuts against the second half nut, so that the thread of the first half nut engages with the outer wall of the lead screw.

[0027] In one embodiment, the drive nut further includes two return springs. The first half nut and the second half nut are each provided with a mounting countersunk hole on opposite sides. One end of each return spring is connected to and limited in one of the mounting countersunk holes, and the other end of the return spring is limited in the mounting shell.

[0028] In one embodiment, the insertion mechanism further includes a protective sleeve, the protective sleeve comprising:

[0029] Inner pressure sleeve, which is used to fit onto the outer wall of the cable;

[0030] An outer pressure sleeve, one end of which is movably fitted onto the outer wall of the inner pressure sleeve, and the other end of which extends toward the detection hole; the outer pressure sleeve and the cable form a insertion groove for insertion of the inner cone; and

[0031] A spring sleeve is fitted onto the outer walls of the inner pressure sleeve and the outer pressure sleeve, and both ends of the spring sleeve are detachably connected to the inner wall of the slide. The spring sleeve, the slide, the outer pressure sleeve, and the inner pressure sleeve together form a receiving cavity, and a spring is installed in the receiving cavity. The spring is fitted onto the inner pressure sleeve, and both ends of the spring abut against the ends of the slide and the outer pressure sleeve, respectively.

[0032] In one embodiment, the inner pressure sleeve includes:

[0033] The body sleeve has one end abutting against the slide table and the other end extending into the outer pressure sleeve; the end of the body sleeve away from the outer pressure sleeve forms a plug-in gap with the cable; and

[0034] A compression sleeve is inserted into the insertion gap.

[0035] In one embodiment, the housing includes:

[0036] A housing, the housing having the inner cavity; and

[0037] Multiple fixed flange seats are provided on the outer wall of the housing, and each fixed flange seat is provided with a detection hole; each fixed flange seat is detachably connected to an insertion mechanism; and the multiple fixed flange seats are arranged around the outer wall of the housing in a polygonal arrangement.

[0038] In one embodiment, the internal cone detection device further includes quick-release fittings, the quick-release fittings comprising:

[0039] A conductive cylinder, the conductive cylinder being inserted into the inner cone to be tested; and

[0040] A locking element is disposed inside the conductive cylinder, and the locking element is provided with a locking hole for engaging with the guide cone of the cable.

[0041] The insertion mechanism drives the cable to be tested into the inner cone of the detection hole, so that the guide cone of the cable is connected to the locking member.

[0042] In one embodiment, the locking element includes:

[0043] A cotter pin, the two ends of which are connected to the inner wall of the conductive cylinder;

[0044] Two pins, one end of each pin is connected to the cotter pin, and the other end of each pin is connected to the inner wall of the conductive cylinder;

[0045] Two hooks, each rotatably connected to a pin, are spaced apart and together form a locking hole for engaging with a guide cone of a cable; and

[0046] A snap-fit ​​spring, the two ends of which are respectively connected to the ends of the two hooks away from the pin, and the snap-fit ​​spring is located on the opposite side of the two hooks.

[0047] The internal cone detection device of this invention includes a detection mechanism and multiple insertion mechanisms. The detection mechanism includes a housing and a detection element. The housing has an inner cavity and multiple detection holes, which communicate with the inner cavity. The detection element is used to detect the performance of the internal cone. Each detection hole is used to insert the internal cone to be detected. One end of each insertion mechanism is detachably connected to the housing and is positioned opposite to a detection hole. Each insertion mechanism is used to connect to a cable and drive the cable to be inserted into the detection hole. In this way, the insertion mechanism drives the cable to move automatically towards the internal cone to be detected, so that the cable is inserted into the internal cone to be detected. When disassembling, the insertion mechanism drives the cable to be withdrawn from the detection hole, thereby improving the detection efficiency of the internal cone detection device. Attached Figure Description

[0048] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0049] Figure 1 This is a schematic diagram of the structure of an embodiment of the internal cone detection device of the present invention;

[0050] Figure 2This is a perspective view of the insertion mechanism of the inner cone detection device of the present invention;

[0051] Figure 3 This is a schematic diagram of the control component of the insertion mechanism of the inner cone detection device of the present invention;

[0052] Figure 4 This is a cross-sectional view of the insertion mechanism of the inner cone detection device of the present invention after inserting the inner cone;

[0053] Figure 5 for Figure 4 Enlarged view of a portion at point A;

[0054] Figure 6 A cross-sectional view of the insertion mechanism of the inner cone detection device of the present invention after the inner cone has been extended;

[0055] Figure 7 This is a schematic diagram of the outer shell of the internal cone detection device of the present invention;

[0056] Figure 8 This is a schematic diagram of the structure of the base of the internal cone detection device of the present invention;

[0057] Figure 9 This is a half-sectional structural diagram of the drive nut of the insertion mechanism of the inner cone detection device of the present invention.

[0058] Figure 10 This is a cross-sectional view of the quick-release fitting of the insertion mechanism of the internal cone detection device of the present invention;

[0059] Figure 11 This is a perspective view of the locking element of the quick-release hardware of the insertion mechanism of the internal cone detection device of the present invention;

[0060] Figure 12 An exploded view of the quick-release fitting of the insertion mechanism of the internal cone detection device of the present invention.

[0061] Figure 13 This is an exploded view from another perspective of the quick-release hardware of the insertion mechanism of the internal cone detection device of the present invention.

[0062] Explanation of icon numbers:

[0063]

[0064]

[0065] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0066] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0067] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0068] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this invention.

[0069] This invention proposes an internal cone detection device.

[0070] In this embodiment of the invention, reference is made to Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 7 and Figure 8 The inner cone testing device includes a testing mechanism and multiple insertion mechanisms 30. The testing mechanism includes a housing 20 and a testing element. The housing 20 has an inner cavity and multiple testing holes 20a. The inner cavity is filled with insulating gas, and the multiple testing holes 20a communicate with the inner cavity. The testing element is used to connect the cable and the inner cone to test its performance. Each testing hole 20a is used to insert the inner cone 1 to be tested. One end of each insertion mechanism 30 is detachably connected to the housing 20 and is positioned opposite to a testing hole 20a. Each insertion mechanism 30 is used to fix the cable 2 and drive the cable 2 to be inserted into the testing hole 20a. When the inner cone 1 to be tested is inserted into the testing hole 20a, the insertion mechanism 30 drives the cable 2 to be inserted into the testing hole 20a, and connects the end of the cable 2 away from the testing hole 20a to the testing element. The performance of the inner cone 1 is tested after the testing element is energized. After the test is completed, the cable 2 is de-energized, and each insertion mechanism 30 can also drive the cable 2 to be withdrawn from the testing hole 20a.

[0071] In this embodiment, the inner cone detection device also includes a device base 10, which is detachably connected to the bottom of the outer shell 20 of the detection mechanism. Insulating gas needs to be introduced into the internal space of the outer shell 20 to prevent the high-voltage core of the cable 2 from breaking down with the low-voltage outer shell 20 during operation. The outer shell 20 is grounded and made of metal to ensure the overall structural strength of the detection device. First, the operator inserts the inner cone 1 to be tested into the detection hole 20a of the outer shell 20 of the detection mechanism to fix its position. At this time, the inner cone 1 and the detection element are not yet energized. Then, the insertion mechanism 30 is energized, causing the cable 2 to be inserted into the detection hole 20a of the outer shell 20, connecting the cable 2 to the inner cone 1 located at the detection hole 20a. Then, the inner cone 1 and the detection element are energized, allowing the detection element to detect the inner cone 1. Specifically, the end of the inner cone 1 cable 2 furthest from the inner cone 1 is energized, and a high-voltage current or electric field is applied through the detection element to detect the withstand voltage and partial discharge performance of the inner cone 1.

[0072] As can be seen from the above operation process, the insertion mechanism 30 drives the cable 2 to move automatically towards the inner cone 1 to be tested, so that the cable 2 is inserted into the inner cone 1 to be tested, thereby improving the detection efficiency of the inner cone detection equipment.

[0073] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 4 and Figure 6 The insertion mechanism 30 includes a guide rod assembly, a control assembly 32, a slide 33, and a drive assembly 34. One end of the guide rod assembly is detachably connected to the housing 20. The control assembly 32 is detachably connected to the guide rod assembly. The guide rod assembly includes a guide rod 31, and the slide 33 is slidably inserted through the guide rod 31. The slide 33 has a mounting hole for installing a cable 2 that is inserted into the inner cone 1 to be tested. The drive assembly 34 is movably connected to the housing 20 and is drively connected to the slide 33. The drive assembly 34 drives the slide 33 to slide along the guide rod 31 so that the slide 33 drives the cable 2 to be inserted into the inner cone 1 to be tested located in the detection hole 20a.

[0074] In this embodiment, the guide rod assembly includes two guide rods 31 and two mounting blocks. Each guide rod 31 has two ends connected to the two mounting blocks, and the two guide rods 31 are arranged side-by-side with a gap between them. One mounting block is detachably connected to the outer wall of the housing 20. One end of the control component 32 is detachably connected to a mounting block adjacent to the housing 20, and the other end of the control component 32 is detachably connected to another mounting block. The slide 33 has a U-shaped longitudinal cross-section, and two mounting holes are provided on opposite sides of the slide 33. The cable 2 passes through the two mounting holes. The drive component 34 is located between the two guide rods 31. After the control component 32 is powered on, it controls the drive component 34 to operate. The drive component 34 drives the slide 33 to move along the extension direction of the guide rods 31. Simultaneously, the movement of the slide 33 also moves the cable 2, causing the cable 2 to move closer to or further away from the inner cone 1 to be detected located at the detection hole 20a, thereby improving the detection efficiency of the inner cone detection device.

[0075] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 The control assembly 32 includes a control housing 321, a changeover switch 322, and a first limit switch 323. The control housing 321 is detachably connected to the outer housing 20 and detachably connected to the guide rod assembly. The changeover switch 322 is installed inside the control housing 321 and is electrically connected to the drive assembly 34. The first limit switch 323 is located inside the control housing 321 and is positioned near the detection hole 20a. The first limit switch 323 is used to control the drive assembly 34 to stop after contacting the slide table 33.

[0076] In this embodiment, the control component 32 employs a changeover switch 322, which is a low-voltage switch capable of switching multiple circuits. Multiple moving contacts are welded onto the shaft; as the shaft rotates, these moving contacts sequentially connect or disconnect with the stationary contacts, switching the circuit. This allows the control component 32 to more precisely control the drive component 34. A first limit switch 323 is also provided near the front end of the cable 2. Thus, when the cable 2 is driven by the drive component 34 to the position of the detection hole 20a, the first limit switch 323 contacts the slide table 33 and triggers the drive component 34 to stop operating. This ensures that the drive component 34 stops operating promptly after the cable 2 has moved into position, resulting in more precise movement of the cable 2.

[0077] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6The control component 32 also includes a second limit switch 324, which is located inside the control housing 321 and away from the detection hole 20a. The second limit switch 324 is used to control the drive component 34 to stop after contacting the slide table 33. Thus, when the cable 2 is driven by the drive component 34 to a position away from the detection hole 20a, that is, when the cable 2 moves to the other end of the guide rod 31, the second limit switch 324 contacts the slide table 33 and triggers the drive component 34 to stop running. This allows the drive component 34 to stop running in time after the cable 2 has moved into position, thereby making the movement of the cable 2 more precise.

[0078] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 9 , Figure 12 and Figure 13 The drive assembly 34 includes a lead screw 341, a drive nut 342, and a drive motor 343. One end of the lead screw 341 is rotatably connected to the housing 20, and the other end is movably connected to the guide rod assembly. The drive nut 342 is movably mounted on the lead screw 341 and is detachably connected to the slide 33. The drive motor 343 is driven by the lead screw 341. The drive motor 343 drives the lead screw 341 to rotate, thereby causing the lead screw 341 to move the drive nut 342 and the slide 33. In this embodiment, the drive assembly 34 uses a lead screw 341, a drive nut 342, and a drive motor 343. The thread of the drive nut 342 engages with the thread of the lead screw 341 for transmission, making the movement of the cable 2 more precise, thereby improving the movement accuracy of the insertion mechanism 30. The lead screw 341 can be a ball screw or a trapezoidal lead screw.

[0079] Optionally, a spur gear is provided on the output shaft of the drive motor 343, and the outer wall of the spur gear meshes with the outer wall of the lead screw 341 to realize the transmission connection between the drive motor 343 and the lead screw 341. In this way, the transmission between the drive motor 343 and the lead screw 341 is smoother.

[0080] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 9 , Figure 12 and Figure 13The drive nut 342 includes a mounting shell 3421, a first half-nut 3422, a second half-nut 3423, at least one wedge block 3424, and a shift fork 3425. The mounting shell 3421 is detachably connected to the slide table 33. The mounting shell 3421 has a mounting cavity 3421a and a through hole 3421b, with the through hole 3421b communicating with the mounting cavity 3421a. The lead screw 341 is movably inserted through the through hole 3421b. The first half-nut 3422 is movably connected to the mounting cavity 3421a, and the inner wall of the first half-nut 3422 is threaded. The second half-nut 3423 is movably connected to the mounting cavity 3421a. It is installed in the mounting cavity 3421a and is correspondingly set with the first half nut 3422; the outer wall of the first half nut 3422 and the outer wall of the second half nut 3423 form a guide groove 342a; the wedge block 3424 is movably embedded in the guide groove 342a; one end of the shift fork 3425 is rotatably connected to one end of the wedge block 3424; wherein, after the shift fork 3425 drives the wedge block 3424 to move along the guide groove 342a, the first half nut 3422 descends and abuts against the second half nut 3423, so that the thread of the first half nut 3422 engages with the outer wall of the lead screw 341.

[0081] Specifically, the mounting shell 3421 includes a front shell, a middle shell, and a rear shell. Both the front shell and the rear shell are provided with through holes 3421b, and the middle shell is provided with a mounting cavity 3421a. The front shell and the rear shell are detachably connected to opposite sides of the middle shell, which facilitates the removal of the wedge block 3424 located in the mounting cavity 3421a.

[0082] The first half-nut 3422 and the second half-nut 3423 are located in the mounting cavity 3421a and can be loosened. When the operator rotates the shift fork 3425, the shift fork 3425 rotates and at the same time drives the wedge block 3424 to move closer to the detection hole 20a, so that the wedge block 3424 is inserted into the guide groove 342a surrounded by the first half-nut 3422 and the second half-nut 3423. The first half-nut 3422 and the second half-nut 3423 abut against the top cavity wall and the bottom cavity wall of the mounting cavity 3421a, respectively. At this time, the first half-nut 3422 rises, so that the thread of the first half-nut 3422 no longer engages with the thread of the lead screw 341. In this way, the operator can directly push the slide table 33 to move closer to the detection hole 20a, which greatly speeds up the movement speed of the insertion mechanism 30 and improves the insertion efficiency of the insertion mechanism 30.

[0083] When the operator moves the shift fork 3425, it moves the wedge block 3424 away from the detection hole 20a, causing the wedge block 3424 to disengage from the guide groove 342a. At this time, the first half nut 3422 descends, causing the first half nut 3422 and the second half nut 3423 to abut against each other. This allows the thread of the first half nut 3422 to re-engage with the thread on the outer wall of the ball screw 341. The drive motor 343 then drives the screw 341 to rotate, causing the screw 341 to move the first half nut 3422 laterally along its extension direction and towards the detection hole 20a. This allows the slide 33 and the cable 2 located on the slide 33 to be inserted into the inner cone 1 to be tested at the detection hole 20a. It is understandable that the operator can automatically or manually move the slide by operating the shift fork, causing the cable 2 to move closer to or away from the detection hole 20a.

[0084] In this embodiment, the guide groove 342a is adapted to the wedge block 3424, and the size of the guide groove 342a decreases from the end closer to the shift fork 3425 to the end farther away from the shift fork 3425. Optionally, the wedge block 3424 includes a main block, two wedge-shaped portions, and a connecting strip. The two wedge-shaped portions are respectively disposed on the upper and lower sides of the main block, and the connecting strip is disposed on one side of the main block, adjacent to the two wedge-shaped portions and located between the two wedge-shaped portions. The end of the connecting strip away from the main block is rotatably connected to the shift fork 3425. Each wedge-shaped portion is provided with a guide slope, and the inclination of the guide slope is adapted to the inclination of the guide groove 342a. With this arrangement, the guide slopes in the upper and lower directions of the two wedge-shaped portions of the wedge block 3424 cooperate with the guide groove 342a, making it easier for the wedge block 3424 to be inserted into or removed from the guide groove 342a, thereby accelerating the adjustment speed of the drive nut 342.

[0085] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 9 , Figure 12 and Figure 13The drive nut 342 also includes two return springs 3426. Each of the first half-nuts 3422 and 3423 has a countersunk hole on its opposite side. One end of each return spring 3426 is confined within the countersunk hole, and the other end is confined within the mounting housing 3421. With this configuration, when the first half-nut 3422 and 3423 are pushed away from each other by the wedge block 3424, the upper return spring 3426 is pressed by the first half-nut 3422, and the lower return spring 3426 is also pressed by the second half-nut 3423. When the first half-nut 3422 and 3423 move closer together as the wedge block 3424 exits the guide groove 342a, the two return springs 3426 extend, causing the first half-nut 3422 to re-engage with the second half-nut 3423, thus achieving automatic reset of the first half-nut 3422 and 3423.

[0086] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 9 , Figure 12 and Figure 13 The insertion mechanism also includes a protective sleeve 35, which includes an inner pressure sleeve 351, an outer pressure sleeve 352, and a spring sleeve 353. The inner pressure sleeve 351 is used to fit onto the outer wall of the cable 2; one end of the outer pressure sleeve 353 is movably fitted onto the outer wall of the inner pressure sleeve 351, and the other end of the outer pressure sleeve 353 extends toward the detection hole 20a; and the outer pressure sleeve 352 and the cable 2 form a insertion groove 35a, which is used for the insertion of the inner cone 1. The spring sleeve 353 is sleeved on the outer wall of the inner pressure sleeve 351 and the outer pressure sleeve 352. The two ends of the spring sleeve 353 are detachably connected to the inner wall of the slide table 33. The spring sleeve 353, the slide table 33, the outer pressure sleeve 352 and the inner pressure sleeve 351 form a receiving cavity 35b. A spring 35c is installed in the receiving cavity 35b. The spring 35c is sleeved on the inner pressure sleeve 351, and the two ends of the spring 35b abut against the ends of the slide table 33 and the outer pressure sleeve 352, respectively.

[0087] Specifically, the inner pressure sleeve 351 is tightly fitted between the cable 2 and the slide table 33, while one end of the outer pressure sleeve 352 is confined within the accommodating cavity 35b, and the other end of the outer pressure sleeve 352 is used to insert the inner cone 1. When the cable 2 is driven to insert into the inner cone 1, the inner cone 1 will insert into the insertion groove 35a between the outer pressure sleeve 352 and the cable 2. The cable 2 and the inner cone 1 are connected by the cooperation of the inner pressure sleeve 351 and the outer pressure sleeve 352. One end of the outer pressure sleeve 352 is movable relative to the protective sleeve 35. When the outer pressure sleeve 352 is inserted into the inner cone 1, the outer pressure sleeve 352 compresses the spring 35c. The rebound force generated by the spring 35c after being compressed can push the outer pressure sleeve 351 and the inner cone 1 to connect more tightly, thereby improving the connection tightness between the cable 2 and the inner cone 1. The spring 35c can also provide a buffering force to prevent damage to the cable 2.

[0088] In one embodiment, reference is made to Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 9 , Figure 12 and Figure 13 The inner pressure sleeve 351 includes a body sleeve 3511 and a clamping sleeve 3512. One end of the body sleeve 3511 abuts against the slide table 33 and the other end extends into the outer pressure sleeve 352. The end of the body sleeve 3511 away from the outer pressure sleeve 352 forms a plug-in gap 3511a with the cable 2. The clamping sleeve 3512 is plugged into the plug-in gap 3511a.

[0089] Specifically, when assembling the inner pressure sleeve 351 with the cable 2, the main body sleeve 3511 and the outer pressure sleeve 352 are first fitted onto the outer wall of the cable 2, so that the main body sleeve 3511 and the cable 2 are connected. Then, the tight pressure sleeve 3512 is inserted into the insertion gap 3511a, which is adjacent to the mounting hole of the slide table 33. After the tight pressure sleeve 3512 abuts against the outer wall of the cable 2, it will form an outward expansion trend, thereby making the main body sleeve 3511 abut against the wall of the mounting hole. This allows the inner pressure sleeve 351 to fit tightly with the slide table 33 and the cable 2, so as to protect the cable 2.

[0090] In one embodiment, reference is made to Figure 1 , Figure 7 and Figure 8 The outer casing 20 includes a casing 21 and a plurality of fixed flange seats 22. The casing 21 has an inner cavity. The plurality of fixed flange seats 22 are all located on the outer wall of the casing 21. Each fixed flange seat 22 has a detection hole 20a. Each fixed flange seat 22 is detachably connected to an insertion mechanism 30. The plurality of fixed flange seats 22 are arranged around the outer wall of the casing 21 in a polygonal arrangement.

[0091] In this embodiment, a sleeve 22a that matches the shape of the inner cone 1 is installed inside the flange seat 22. Specifically, the sleeve 22a includes an insulating sleeve and a conductive sleeve disposed inside the insulating sleeve. The conductive sleeve is electrically connected to the cable core. The conductive sleeve extends into the housing 21. During the test, the conductive sleeve is in an insulating gas atmosphere to avoid discharge breakdown.

[0092] In this embodiment, the housing 21 of the inner cone detection device is a cylindrical housing, and multiple fixed flange seats 22 are divided into upper and lower rows, with 5 fixed flange seats 22 in each row, arranged in a pentagonal shape. In this way, the space is maximized by adopting a pentagonal placement method, thereby reducing the amount of insulating gas that needs to be introduced into the housing 21. Ten detection holes 20a are opened on the outer wall of the housing 21, which can detect 10 inner cones 1 to be detected at the same time, greatly improving the detection efficiency of the inner cone detection device.

[0093] Optionally, the equipment base 10 includes a main body and five extension strips. One end of each extension strip is connected to the bottom of the main body, and each extension strip has a caster wheel at the end away from the main body. The main body is a pentagonal base, and the five extension strips are arranged one-to-one with the five opposite corners of the main body. In this way, each insertion mechanism 30 of the detection mechanism can be arranged with one extension strip. The extension strips extend from the corresponding position of the main body, making the structure of the main body more robust at each opposite corner. The spacing between each pair of adjacent extension strips ensures that each insertion mechanism 30 does not interfere with each other and facilitates the operation of the operator while standing.

[0094] In one embodiment, reference is made to Figure 1 , Figure 4 , Figure 6 , Figure 10 and Figure 11 The inner cone detection device also includes a quick-release fitting 40, which includes a conductive cylinder 41 and a locking element 42. The conductive cylinder 41 is used to insert into the inner cone 1 to be tested. The locking element 42 is located inside the conductive cylinder 41 and has a locking hole 42a. The locking hole 42a is used to engage with the guide cone at the end of the cable 2. The insertion mechanism 30 drives the cable 2 to be inserted into the inner cone 1 to be tested in the detection hole 20a, so that the guide cone of the cable 2 is connected to the locking element 42.

[0095] In this embodiment, by installing a quick-release fitting 40 on the inner cone 1 to be tested, when the cable 2 is inserted into the inner wall of the inner cone 1 by the insertion mechanism 30, the inner cone 1 to be tested, the cable 2 and the detection element can be electrically connected through the conductive cylinder 41 of the quick-release fitting 40; on the other hand, the locking fastener 42 of the quick-release fitting 40 can achieve a mechanical connection between the inner cone 1 to be tested and the cable 2, thereby ensuring that the cable 2 can be connected to the inner cone 1 to be tested even without manual operation.

[0096] Optionally, both the conductive cylinder 41 and the locking element 42 are made of conductive material to facilitate electrical connection between the inner cone 1 to be tested and the cable 2.

[0097] The conductive cylinder 41 has a hook at the end facing the cable 2. The hook is used to engage with the end of the inner cone 1 to be tested facing the cable 2, thereby improving the tightness of the connection between the quick-release hardware 40 and the inner cone 1 to be tested without external force.

[0098] In one embodiment, reference is made to Figure 1 , Figure 4 , Figure 6 , Figure 10 and Figure 11 The locking element 42 includes a cotter pin 421, two pins 422, two hooks 423, and a locking spring 424. The two ends of the cotter pin 421 are connected to the inner wall of the conductive cylinder 41. One end of each of the two pins 422 is connected to the cotter pin 421, and the other end of each pin 422 is connected to the inner wall of the conductive cylinder 41. Each hook 423 is rotatably connected to a pin 422. The two hooks 423 are spaced apart and form a locking interface, which is used to engage with the guide cone of the cable 2. The two ends of the locking spring 424 are connected to the ends of the two hooks 423 away from the pins 422, and the locking spring 424 is located on the opposite side of the two hooks 423.

[0099] Specifically, when cable 2 is driven into the conductive cylinder 41, the guide cone at the front end of cable 2 is inserted into the locking interface between the two hooks 423. The locking spring 424 drives the two hooks 423 to move closer together and clamp the guide cone of cable 2, thus achieving a detachable connection between cable 2 and quick-release hardware 40. After cable 2 is connected to quick-release hardware 40, when the guide cone of cable 2 is withdrawn, the hooks 423 will firmly lock the guide cone of cable 2. Therefore, when the guide cone of cable 2 is withdrawn, it will pull out the quick-release hardware 40 along with it, thereby achieving quick disconnection between cable 2 and the inner cone 1 to be tested.

[0100] The staff manually presses one end of the two hooks 423 connected to the buckle spring 424, causing the two hooks 423 to compress the buckle spring 424. The ends of the two hooks 423 away from the buckle spring 424 move away from each other, opening the card interface and allowing the cable 2 to be disconnected from the card interface.

[0101] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. An inner cone detection apparatus, characterized by, The internal cone detection device includes: The testing mechanism includes a housing and a testing element. The housing has an inner cavity and multiple testing holes. The inner cavity is filled with insulating gas, and the multiple testing holes communicate with the inner cavity. The testing element is used to test the performance of the inner cone. Each testing hole is used to insert and test the inner cone. Multiple insertion mechanisms are provided, one end of each of which is detachably connected to the housing and is disposed opposite to a detection hole; each insertion mechanism is used to fix a cable and drive the cable to be inserted into the detection hole. When the inner cone to be tested is inserted into the detection hole, the insertion mechanism drives the cable to be inserted into the detection hole or to be withdrawn from the detection hole. The internal cone testing device also includes quick-release fittings, which include: A conductive cylinder, the conductive cylinder being inserted into the inner cone to be tested; and A locking element is disposed inside the conductive cylinder, and the locking element is provided with a locking hole for engaging with the guide cone of the cable. The insertion mechanism drives the cable to be tested into the inner cone of the detection hole, so that the guide cone of the cable is connected to the locking member.

2. The inner cone detection apparatus of claim 1, wherein, The insertion mechanism includes: A guide rod assembly, one end of which is detachably connected to the housing, the guide rod assembly including a guide rod; A control component, wherein the control component is detachably connected to the guide rod; A slide table, slidably mounted on the guide rod, the slide table having a mounting hole for mounting a cable that is inserted into the inner cone to be tested; and A drive assembly, which is movably connected to the housing and is drive-connected to the slide table; The drive assembly drives the slide to slide along the guide rod, so that the slide drives the cable to be inserted into the inner cone to be tested located in the detection hole.

3. The inner cone detection apparatus of claim 2, wherein, The driving component includes: A lead screw, one end of which is rotatably connected to the housing, and the other end of which is movably connected to the guide rod assembly; A drive nut, which is movably mounted on the lead screw and detachably connected to the slide; and A drive motor, wherein the drive motor is connected to the lead screw drive; The drive motor drives the lead screw to rotate, so that the lead screw drives the drive nut and the slide to move.

4. The inner cone detection apparatus of claim 3, wherein, The drive nut includes: The mounting housing is detachably connected to the slide table. The mounting housing has a mounting cavity and a through hole, the through hole communicating with the mounting cavity, and the lead screw movably passing through the through hole. The first half nut is movably connected to the mounting cavity, and the inner wall of the first half nut is threaded. The second half nut is movably connected to the mounting cavity and is correspondingly arranged with the first half nut; the outer wall of the first half nut and the outer wall of the second half nut form a guide groove. At least one wedge, the wedge being movably embedded within the guide groove; and A fork, one end of which is rotatably connected to one end of the wedge block; Wherein, after the shift fork drives the wedge block to move along the guide groove, the first half nut descends and abuts against the second half nut, so that the thread of the first half nut engages with the outer wall of the lead screw.

5. The inner cone detection apparatus of claim 4, wherein, The drive nut also includes two return springs. The first half nut and the second half nut are each provided with a mounting countersunk hole on opposite sides. One end of each return spring is connected to and limited in one of the mounting countersunk holes, and the other end of each return spring is limited in the mounting shell.

6. The inner cone detection apparatus of claim 2, wherein, The insertion mechanism further includes a protective sleeve, the protective sleeve comprising: Inner pressure sleeve, which is used to fit onto the outer wall of the cable; An outer pressure sleeve, one end of which is movably fitted onto the outer wall of the inner pressure sleeve, and the other end of which extends toward the detection hole; the outer pressure sleeve forms a insertion groove with the cable, the insertion groove being for insertion of the inner cone; and A spring sleeve is fitted onto the outer walls of the inner pressure sleeve and the outer pressure sleeve, and both ends of the spring sleeve are detachably connected to the inner wall of the slide. The spring sleeve, the slide, the outer pressure sleeve, and the inner pressure sleeve together form a receiving cavity, and a spring is installed in the receiving cavity. The spring is fitted onto the inner pressure sleeve, and both ends of the spring abut against the ends of the slide and the outer pressure sleeve, respectively.

7. The inner cone detection apparatus of claim 6, wherein, The inner pressure sleeve includes: The body sleeve has one end abutting against the slide table and the other end extending into the outer pressure sleeve; the end of the body sleeve away from the outer pressure sleeve forms a plug-in gap with the cable; and A compression sleeve is inserted into the insertion gap.

8. The inner cone detection apparatus of claim 1, wherein, The outer casing includes: A housing, the housing having the inner cavity; and Multiple fixed flange seats are provided on the outer wall of the housing, and each fixed flange seat is provided with a detection hole; each fixed flange seat is detachably connected to an insertion mechanism; and the multiple fixed flange seats are arranged around the outer wall of the housing in a polygonal arrangement.

9. The internal cone detection device as described in claim 1, characterized in that, The locking element includes: A cotter pin, the two ends of which are connected to the inner wall of the conductive cylinder; Two pins, one end of each pin is connected to the cotter pin, and the other end of each pin is connected to the inner wall of the conductive cylinder; Two hooks, each rotatably connected to a pin, are spaced apart and together form a locking hole for engaging with a guide cone of a cable; and A snap-fit ​​spring, the two ends of which are respectively connected to the ends of the two hooks away from the pin, and the snap-fit ​​spring is located on the opposite side of the two hooks.

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