A crane cable and a cable joint therefor

Abstract

The application relates to the technical field of crane cables, and discloses a crane cable and a matched cable joint thereof, which comprise a connecting head body, the inside of the connecting head body is provided with a cable protective layer, and the inside of the cable protective layer is fixedly connected with a cable insulation layer. Through the arrangement of the fixing mechanism, the tightening sleeve slides along the outer wall of the connecting head body, the fixing sliding block at the bottom of the driving rod in the driving groove slides to one end of the connecting head body along the fixing sliding groove, the fixing sliding block drives the fixing telescopic rod at the bottom of the fixing sliding block to contract, at this time, the fixing telescopic rod drives the one-end pressing arc-shaped block to downwardly extrude the extruding spring on the sliding column, the pressing arc-shaped block downwardly extrudes the sub-cable core, the arrangement is favorable for keeping the several sub-cable cores in the connecting head body stable, avoiding the movement of the sub-cable core and causing the disconnection phenomenon, and thus the stability of the connecting device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crane cable equipment, in particular to a crane cable and a matched cable connector thereof. BACKGROUND

[0002] Cables and connectors are used to transmit data in a variety of industries. Cables span distances between electrical devices to provide an electrical path between the electrical devices. Electrical connectors terminate the cables and mate with complementary connectors of the electrical devices to interconnect the electrical devices via the electrical path provided by the cables.

[0003] The cable connector matched with the crane cable in the prior art can basically meet the use requirement, but when the crane is working, the crane jib is often stretched and contracted, which causes the cable matched with the crane to be often pulled, and the cable is often pulled, which may cause the cable connector to be loose, thereby causing the crane cable connection to be disconnected. SUMMARY

[0004] The present application aims to provide a crane cable and a matched cable connector thereof to solve the problems in the background art.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] The present application is a crane cable, comprising a connector main body, an internal cable protection layer provided in the connector main body, an internal cable insulation layer fixedly connected to the cable protection layer, and a plurality of sub-cable cores fixedly connected to the cable insulation layer.

[0007] A matched cable connector of a crane cable, comprising an auxiliary positioning mechanism, the auxiliary positioning mechanism comprising a limiting groove provided in the inner wall of the connector main body, a separator head slidingly connected to the inner wall of the connector main body, a limiting block fixedly connected to the side wall of the separator head, the limiting block slidingly connected to the inside of the limiting groove, and a plurality of sub-cable cores penetrating through the separator head.

[0008] Further, the connector main body is internally provided with a connecting mechanism, the connecting mechanism comprising a plurality of fixed discs fixedly connected to the inner wall of the connector main body, a plurality of fixed bases fixedly connected to one side of the fixed discs, a sliding disc slidingly connected to one end of the fixed base close to the fixed disc, and a plurality of connecting extension rods fixedly connected to one side of the sliding disc away from the fixed disc.

[0009] Further, the connecting mechanism further comprises a pressure spring sleeved on one end of the connecting extension rod away from the sliding disc, an internal tensile connecting cable core fixedly connected to the connecting extension rod, and a helically stretchable middle part of the tensile connecting cable core.

[0010] Further, the inside of the connector body is provided with a fixing mechanism, the fixing mechanism comprises a plurality of threaded grooves opened in the outer wall of the connector body, a tightening sleeve is rotationally connected on the threaded grooves, a plurality of fixing sliding grooves are opened on the side wall of the connector body, and a fixing sliding block is slidably connected in the fixing sliding groove.

[0011] Further, the fixing mechanism further comprises a driving rod fixedly connected to the top of the fixing sliding block, the driving rod is arranged in the driving groove, a fixing telescopic rod is rotationally connected to the fixing sliding block, a plurality of sliding columns are slidably connected to one end of the fixing base close to the sliding disc, an extrusion spring is sleeved on one end of the sliding column away from the fixing base, a pressing arc-shaped block is fixedly connected to one end of the sliding column away from the fixing base, and the fixing telescopic rod is rotationally connected to the top of the pressing arc-shaped block.

[0012] Further, an auxiliary mechanism is arranged on the fixing sliding block, a connecting rod is fixedly connected to one side of the fixing sliding block away from the fixing telescopic rod, one end of the connecting rod away from the fixing sliding block is fixedly connected with the sliding disc, and a connecting groove is fixedly connected to one end of the connecting telescopic rod away from the sliding disc.

[0013] Further, the two ends of the connector body are provided with anti-dropping mechanisms, the anti-dropping mechanisms comprise a plurality of anti-dropping sliding blocks slidably connected to the two ends of the connector body, a plurality of anti-dropping spikes are fixedly connected to the inner wall of the anti-dropping sliding block, a plurality of anti-dropping sliding grooves are opened in the outer wall of the connector body, an extrusion block is slidably connected in the anti-dropping sliding groove, a reset spring is arranged in the anti-dropping sliding groove, an anti-dropping extrusion rod is fixedly connected to one end of the extrusion block away from the reset spring, a plurality of linkage rods are rotationally connected to one end of the anti-dropping extrusion rod away from the extrusion block, and the linkage rods are rotationally connected with the anti-dropping sliding block away from the anti-dropping extrusion rod.

[0014] The present application has the following beneficial effects:

[0015] (1) According to the present application, when the auxiliary positioning mechanism at one end of the connector body extends into the inside of the connector body, the operator rotates the tightening sleeve, so that the tightening sleeve rotates along the threaded groove, and when the tightening sleeve rotates along the threaded groove, the tightening sleeve slides along the outer wall of the connector body, the fixing sliding block at the bottom of the driving rod in the driving groove is driven to slide along the fixing sliding groove to one end of the connector body, the fixing telescopic rod at the bottom of the fixing sliding block is driven to retract, at this time, the fixing telescopic rod drives the pressing arc-shaped block at one end to extrude the extrusion spring on the sliding column downward, and the pressing arc-shaped block extrudes the sub-cable core downward, so that the plurality of sub-cable cores fixed in the inside of the connector body are kept stable, the movement of the sub-cable core is avoided, and the disconnection phenomenon is avoided, thereby improving the stability of the connecting device.

[0016] (2), when the crane cable is used, first, the cable protection layer inside several sub-cable cores are respectively threaded through the small holes on the partition head, which is beneficial to separate the several sub-cable cores inside the cable protection layer, avoids the phenomenon of disorder when the cable is connected, and the partition head with the threaded sub-cable core is sent into the connecting head body along the inside of the connecting head body, at this time, the limiting block is aligned with the limiting groove in the connecting head body, so that the limiting block slides along the limiting groove, which is beneficial to fix the several sub-cable cores in the connecting head body, avoids the rotation of the cable protection layer in the connecting head body, so as to cause the connection misplacement of the several sub-cable cores.

[0017] (3), the connecting mechanism is arranged, when the partition head slides along the inner wall of the connecting head body, the partition head drives the several sub-cable cores to slide onto the arc-shaped groove on the fixed base, at this time, the sub-cable core is in contact with one end of the stretchable connecting cable core in the connecting head body, so as to realize the connecting effect, when the tightening sleeve slides along the outer wall of the connecting head body, the fixed sliding block at the bottom of the driving rod in the driving groove is driven to slide along the fixed sliding groove to one end of the connecting head body, the fixed sliding block drives the connecting rod to slide, the connecting rod drives the sliding disc to slide along the fixed base, at this time, the sliding disc drives the several connecting extension rods on the sliding disc to move to the end close to the sub-cable core, the connecting extension rod drives one end of the stretchable connecting cable core to be extruded with one end of the sub-cable core, at this time, the middle part of the stretchable connecting cable core is stretched, which is beneficial to the closer connection of the sub-cable core and the stretchable connecting cable core.

[0018] (4), the anti-falling mechanism is arranged, when the operator rotates the tightening sleeve, the tightening sleeve is rotated along the threaded groove, at this time, the tightening sleeve is extruded with the extrusion block, the extrusion block drives the anti-falling extrusion rod to move, the anti-falling extrusion rod drives the anti-falling sliding block at one end of the linkage rod to contract along the connecting head body, at this time, the anti-falling sliding block is extruded with the outer wall of the cable protection layer, on one hand, the anti-falling sliding block drives the anti-falling spikes to penetrate into the outer wall of the cable protection layer, preventing the cable protection layer from falling off, on the other hand, the anti-falling sliding block blocks the entrances of the two ends of the connecting head body, which is beneficial to improve the sealing effect of the connecting head, avoiding the foreign matters entering the inside of the connecting head body through the gap between the two ends of the connecting head body.

[0019] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments 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 these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 Enlarged view of A in the middle;

[0023] Figure 3 This is a schematic cross-sectional view of the overall structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the auxiliary positioning mechanism of the present invention;

[0025] Figure 5 This is a schematic diagram of the connection mechanism structure of the present invention;

[0026] Figure 6 This is a partial structural diagram of the present invention;

[0027] Figure 7 This is a partial cross-sectional view of the present invention;

[0028] Figure 8 For the present invention Figure 7 Enlarged view of B in the middle;

[0029] Figure 9 This is a schematic diagram of the fixing mechanism structure of the present invention;

[0030] Figure 10 For the present invention Figure 9 Enlarged view of C;

[0031] Figure 11 For the present invention Figure 9 A magnified view of D.

[0032] The attached diagram lists the components represented by each number as follows:

[0033] As shown in FIG. 1, the crane cable comprises a connector main body 1, the inside of the connector main body 1 is provided with a cable protection layer 11, the inside of the cable protection layer 11 is fixedly connected with a cable insulation layer 12, and the inside of the cable insulation layer 12 is fixedly connected with a plurality of sub-cable cores 13. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] Embodiment 1, please refer to Figures 1-10 As shown in FIG. 1, the crane cable comprises a connector main body 1, the inside of the connector main body 1 is provided with a cable protection layer 11, the inside of the cable protection layer 11 is fixedly connected with a cable insulation layer 12, and the inside of the cable insulation layer 12 is fixedly connected with a plurality of sub-cable cores 13.

[0036] The utility model provides a kind of crane cable's matched cable joint, including auxiliary positioning mechanism 2, auxiliary positioning mechanism 2 includes the limiting slot 201 being opened in the inner wall of connector main body 1, the inner wall of connector main body 1 is slidably connected with partition head 202, the side wall of partition head 202 is fixedly connected with limiting block 203, limiting block 203 is slidably connected inside limiting slot 201, several sub-cable cores 13 are penetrated through partition head 202, the effect of this component is when using the crane cable's matched cable joint, first, several sub-cable cores 13 inside cable protective layer 11 are respectively penetrated through the small hole on partition head 202, and this setting is conducive to the separation of several sub-cable cores 13 inside cable protective layer 11, avoid the phenomenon of disorder when cable is connected, simultaneously, partition head 202 penetrated with sub-cable core 13 is slid along the inside of connector main body 1 and is sent into the inside of connector main body 1, limiting block 203 is aligned with the limiting slot 201 in the inside of connector main body 1 at this time, so that limiting block 203 is slid along limiting slot 201, and this setting is conducive to the fixation of several sub-cable cores 13 in the inside of connector main body 1, avoid the rotation of cable protective layer 11 in the inside of connector main body 1, so as to cause the misconnection of several sub-cable cores 13.

[0037] The inside of connector main body 1 is provided with connecting mechanism 3, and connecting mechanism 3 includes a plurality of fixed discs 301 fixedly connected to the inner wall of connector main body 1, a plurality of fixed bases 302 are fixedly connected to one side of fixed disc 301, a sliding disc 303 is slidably connected to one end of fixed base 302 close to fixed disc 301, and a plurality of connecting extension rods 304 are fixedly connected to the side of sliding disc 303 away from fixed disc 301.

[0038] Connecting mechanism 3 further includes a pressure spring 305 sleeved on one end of connecting extension rod 304 away from sliding disc 303, a stretchable connecting cable core 306 is fixedly connected in the inside of connecting extension rod 304.

[0039] The inside of connector main body 1 is provided with fixing mechanism 4, and fixing mechanism 4 includes a plurality of threaded grooves 401 opened in the outer wall of connector main body 1, a tightening sleeve 402 is rotatably connected to threaded groove 401, a plurality of fixed sliding grooves 403 are opened in the side wall of connector main body 1, a fixed sliding block 404 is slidably connected in the inside of fixed sliding groove 403, and a driving groove 405 is opened in the inner wall of tightening sleeve 402.

[0040] The fixing mechanism 4 further comprises a driving rod 406 fixedly connected on the top of the fixing sliding block 404, the driving rod 406 is arranged in the inside of the driving groove 405, the fixing sliding block 404 is rotationally connected with a fixing telescopic rod 407, the fixing base 302 is slidably connected with a plurality of sliding columns 408 close to one end of the sliding disc 303, the sliding column 408 is sleeved with a pressing spring 409 away from one end of the fixing base 302, the sliding column 408 is fixedly connected with a pressing arc block 410 away from one end of the fixing base 302, and the fixing telescopic rod 407 is rotationally connected with the top of the pressing arc block 410. The fixing mechanism 4 is arranged, when the auxiliary positioning mechanism 2 at one end of the connector main body 1 extends into the inside of the connector main body 1, the operator rotates the tightening sleeve 402, so that the tightening sleeve 402 rotates along the threaded groove 401, when the tightening sleeve 402 rotates along the threaded groove 401, the tightening sleeve 402 slides along the outer wall of the connector main body 1, the tightening sleeve 402 slides to drive the fixing sliding block 404 at the bottom of the driving rod 406 in the driving groove 405 to slide along the fixing sliding groove 403 to one end of the connector main body 1, the fixing sliding block 404 slides to drive the fixing telescopic rod 407 at the bottom of the fixing sliding block 404 to contract, at this time, the fixing telescopic rod 407 drives the pressing arc block 410 at one end to press downward the pressing spring 409 on the sliding column 408, the pressing arc block 410 presses downward the sub-cable core 13, and the fixing telescopic rod 407 drives the pressing arc block 410 at one end to press downward the pressing spring 409 on the sliding column 408. This arrangement is beneficial to fixing the plurality of sub-cable cores 13 in the inside of the connector main body 1 to keep stable, avoids the sub-cable core 13 from moving, causes the connection to be disconnected, and improves the stability of the connecting device.

[0041] Example 2, the distinguishing feature from example 1 is that Figures 1-11As shown, the fixed sliding block 404 is provided with an auxiliary mechanism 5, the fixed sliding block 404 is fixedly connected with a connecting rod 501 away from one side of the fixed telescopic rod 407, the connecting rod 501 is fixedly connected with the sliding disc 303 away from one end of the fixed telescopic rod 407, the connecting telescopic rod 304 is fixedly connected with a connecting groove 502 away from one end of the sliding disc 303, the connecting mechanism 3 is arranged, when the partition head 202 slides along the inner wall of the connecting head main body 1, the partition head 202 drives the plurality of cable cores 13 to slide to the arc-shaped groove on the fixed base 302, at this time, the cable core 13 is in contact with one end of the stretchable connecting cable core 306 in the connecting head main body 1, thereby realizing the connecting effect, when the tightening sleeve 402 slides along the outer wall of the connecting head main body 1, the tightening sleeve 402 slides to drive the fixed sliding block 404 at the bottom of the driving rod 406 in the driving groove 405 to slide along the fixed sliding groove 403 to one end of the connecting head main body 1, the fixed sliding block 404 drives the connecting rod 501 to slide, the connecting rod 501 drives the sliding disc 303 to slide along the fixed base 302, at this time, the sliding disc 303 drives the plurality of connecting telescopic rods 304 on the sliding disc 303 to move to one end close to the cable core 13, the connecting telescopic rod 304 drives one end of the stretchable connecting cable core 306 to be extruded with one end of the cable core 13, at this time, the middle part of the stretchable connecting cable core 306 is stretched, which is beneficial to the connection between the cable core 13 and the stretchable connecting cable core 306.

[0042] The both ends of the connector main body 1 are provided with anti-dropping mechanisms 6, the anti-dropping mechanisms 6 comprise a plurality of anti-dropping sliding blocks 601 which are slidingly connected at the both ends of the connector main body 1, the inner wall of the anti-dropping sliding block 601 is fixedly connected with a plurality of anti-dropping spikes 602, the outer wall of the connector main body 1 is provided with a plurality of anti-dropping sliding grooves 603, the inside of the anti-dropping sliding groove 603 is slidingly connected with an extruding block 605, the inside of the anti-dropping sliding groove 603 is provided with a reset spring 604, the end of the extruding block 605 which is away from the reset spring 604 is fixedly connected with an anti-dropping extruding rod 606, the end of the anti-dropping extruding rod 606 which is away from the extruding block 605 is rotatably connected with a plurality of linkage rods 607, the end of the linkage rod 607 which is away from the anti-dropping extruding rod 606 is rotatably connected with the anti-dropping sliding block 601, the component is used for, through the anti-dropping mechanism 6, when the operator rotates the tightening sleeve 402, the tightening sleeve 402 is rotated along the thread groove 401, when the tightening sleeve 402 is rotated along the thread groove 401, the tightening sleeve 402 is slid along the outer wall of the connector main body 1, at this time, the tightening sleeve 402 is extruded with the extruding block 605, the extruding block 605 drives the anti-dropping extruding rod 606 to move, the anti-dropping extruding rod 606 drives the anti-dropping sliding block 601 at one end of the linkage rod 607 to contract along the connector main body 1, at this time, the anti-dropping sliding block 601 is extruded with the outer wall of the cable protection layer 11, on one hand, the anti-dropping sliding block 601 drives the anti-dropping spikes 602 to be inserted into the outer wall of the cable protection layer 11, so that the cable protection layer 11 is prevented from falling off, on the other hand, the anti-dropping sliding block 601 blocks the entrances of the both ends of the connector main body 1, which is beneficial to improve the sealing effect of the connector, and prevents foreign matters from entering the inside of the connector main body 1 through the gaps of the both ends of the connector main body 1.

[0043] One specific application of the embodiment is:

[0044] When the cable joint matched with the crane cable is used, firstly, the several sub-cable cores 13 inside the cable protective layer 11 are respectively threaded through the small holes on the partition head 202, which is beneficial to separate the several sub-cable cores 13 inside the cable protective layer 11, avoid the disordered phenomenon during the cable connection, and simultaneously, the partition head 202 threaded with the sub-cable core 13 is sent into the inside of the joint body 1 along the inside of the joint body 1, at this time, the limiting block 203 is aligned with the limiting slot 201 inside the joint body 1, so that the limiting block 203 slides along the limiting slot 201, which is beneficial to fix the several sub-cable cores 13 inside the joint body 1, avoid the rotation of the cable protective layer 11 inside the joint body 1, so as to cause the connection misplacement of the several sub-cable cores 13; through the setting of the fixing mechanism 4, when the auxiliary positioning mechanism 2 at one end of the joint body 1 is inserted into the inside of the joint body 1, the operator rotates the tightening sleeve 402, so that the tightening sleeve 402 rotates along the threaded groove 401, when the tightening sleeve 402 rotates along the threaded groove 401, the tightening sleeve 402 slides along the outer wall of the joint body 1, the sliding of the tightening sleeve 402 drives the fixing sliding block 404 at the bottom of the driving rod 406 inside the driving groove 405 to slide along the fixing sliding groove 403 to one end of the joint body 1, the sliding of the fixing sliding block 404 drives the fixing telescopic rod 407 at the bottom of the fixing sliding block 404 to contract, at this time, the fixing telescopic rod 407 drives the pressing arc-shaped block 410 at one end to press downward the extrusion spring 409 on the sliding column 408, the pressing arc-shaped block 410 presses downward the sub-cable core 13, which is beneficial to keep the several sub-cable cores 13 inside the joint body 1 stable, avoid the movement of the sub-cable core 13, cause the disconnection phenomenon, so as to improve the stability of the connecting device;

[0045] By setting the connecting mechanism 3, when the partition head 202 slides along the inner wall of the connecting head body 1, the partition head 202 drives several sub-cable cores 13 to slide to the arc-shaped slot on the fixed base 302, at this time the sub-cable core 13 is in contact with one end of the stretchable connecting cable core 306 inside the connecting head body 1, thereby realizing the effect of connection, when the tightening sleeve 402 slides along the outer wall of the connecting head body 1, the tightening sleeve 402 slides to drive the fixed sliding block 404 at the bottom of the driving rod 406 inside the driving slot 405 to slide along the fixed sliding slot 403 to one end of the connecting head body 1, the fixed sliding block 404 drives the connecting rod 501 to slide, the connecting rod 501 drives the sliding disc 303 to slide along the fixed base 302, at this time the sliding disc 303 drives several connecting stretchable rods 304 on the sliding disc 303 to move to the end close to the sub-cable core 13, the connecting stretchable rod 304 drives one end of the stretchable connecting cable core 306 to be extruded with one end of the sub-cable core 13, at this time the middle part of the stretchable connecting cable core 306 is stretched, which is beneficial to the connection of the sub-cable core 13 and the stretchable connecting cable core 306; by setting the anti-dropping mechanism 6, when the operator rotates the tightening sleeve 402, the tightening sleeve 402 is rotated along the threaded slot 401, when the tightening sleeve 402 rotates along the threaded slot 401, the tightening sleeve 402 slides along the outer wall of the connecting head body 1, at this time the tightening sleeve 402 is extruded with the extrusion block 605, the extrusion block 605 drives the anti-dropping extrusion rod 606 to move, the anti-dropping extrusion rod 606 moves to drive the anti-dropping sliding block 601 at one end of the linkage rod 607 to contract along the connecting head body 1, at this time the anti-dropping sliding block 601 is extruded with the outer wall of the cable protective layer 11, on the one hand the anti-dropping sliding block 601 drives the anti-dropping thorn 602 to pierce into the outer wall of the cable protective layer 11 to prevent the cable protective layer 11 from falling off, on the other hand the anti-dropping sliding block 601 blocks the entrances at both ends of the connecting head body 1, which is beneficial to improve the sealing effect of the connecting head and prevent foreign matters from entering the inside of the connecting head body 1 through the gaps at both ends of the connecting head body 1.

[0046] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present application. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A matched cable joint of a crane cable, comprising an auxiliary positioning mechanism (2), the auxiliary positioning mechanism (2) comprises a limiting groove (201) opened in the inner wall of a connector main body (1), and the inner wall of the connector main body (1) is slidingly connected with a partition head (202), characterized in that: The side wall of the partition head (202) is fixedly connected with a limiting block (203), the limiting block (203) is slidably connected in the limiting groove (201), and the plurality of cable cores (13) penetrate through the partition head (202); The inside of the connector main body (1) is provided with a fixing mechanism (4), the fixing mechanism (4) comprises a plurality of threaded grooves (401) formed in the outer wall of the connector main body (1), an upper tightening sleeve (402) is rotatably connected on the threaded groove (401), a plurality of fixed sliding grooves (403) are formed in the side wall of the connector main body (1), a fixed sliding block (404) is slidably connected in the fixed sliding groove (403), and a driving groove (405) is formed in the inner wall of the upper tightening sleeve (402); The inside of the connector main body (1) is provided with a connecting mechanism (3), the connecting mechanism (3) comprises a plurality of fixed discs (301) fixedly connected to the inner wall of the connector main body (1), a plurality of fixed bases (302) are fixedly connected to one side of the fixed disc (301), a sliding disc (303) is slidably connected to one end of the fixed base (302) close to the fixed disc (301), and a plurality of connecting extension rods (304) are fixedly connected to one side of the sliding disc (303) away from the fixed disc (301); The fixing mechanism (4) further comprises a driving rod (406) fixedly connected to the top of the fixed sliding block (404), the driving rod (406) is arranged in the driving groove (405), a fixed extension rod (407) is rotatably connected to the fixed sliding block (404), a plurality of sliding columns (408) are slidably connected to one end of the fixed base (302) close to the sliding disc (303), an extrusion spring (409) is sleeved on one end of the sliding column (408) away from the fixed base (302), a pressing arc-shaped block (410) is fixedly connected to one end of the sliding column (408) away from the fixed base (302), and the fixed extension rod (407) is rotatably connected to the top of the pressing arc-shaped block (410); Both ends of the connector main body (1) are provided with anti-dropping mechanisms (6), the anti-dropping mechanism (6) comprises a plurality of anti-dropping sliding blocks (601) slidably connected to both ends of the connector main body (1), an anti-dropping sharp (602) is fixedly connected to the inner wall of the anti-dropping sliding block (601), an anti-dropping sliding groove (603) is formed in the outer wall of the connector main body (1), an extrusion block (605) is slidably connected in the anti-dropping sliding groove (603), a reset spring (604) is arranged in the anti-dropping sliding groove (603), an anti-dropping extrusion rod (606) is fixedly connected to one end of the extrusion block (605) away from the reset spring (604), a plurality of linkage rods (607) are rotatably connected to one end of the anti-dropping extrusion rod (606) away from the extrusion block (605), and the linkage rod (607) is rotatably connected to the anti-dropping sliding block (601) away from the anti-dropping extrusion rod (606); The fixed sliding block (404) is provided with an auxiliary mechanism (5), one side of the fixed sliding block (404) away from the fixed telescopic rod (407) is fixedly connected with a connecting rod (501), one end of the connecting rod (501) away from the fixed sliding block (404) is fixedly connected with the sliding disc (303), and one end of the connecting telescopic rod (304) away from the sliding disc (303) is fixedly connected with a connecting groove (502).

2. A matching cable joint for a crane cable according to claim 1, characterized in that: The connecting mechanism (3) further comprises a pressure spring (305) sleeved at one end of the connecting telescopic rod (304) away from the sliding disc (303), and the inside of the connecting telescopic rod (304) is fixedly connected with a stretchable connecting cable core (306), and the middle part of the stretchable connecting cable core (306) is in a spiral stretchable state.

3. A crane cable suitable for use in a matching cable joint of a crane cable as claimed in claim 2, characterized in that: The connecting head body (1) is internally provided with a cable protection layer (11), the inside of the cable protection layer (11) is fixedly connected with a cable insulation layer (12), and the inside of the cable insulation layer (12) is fixedly connected with a plurality of sub-cable cores (13).

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