Sleeving device and method for high-voltage cable joint insulation prefabricated member

Abstract

The invention provides a sleeving device and method for a high-voltage cable joint insulation prefabricated member. The device comprises a hoisting mechanism, a joint supporting mechanism and a clamping mechanism, wherein the connector supporting mechanism is arranged on one side of the clamping mechanism in a position-adjustable mode, the connector supporting mechanism is further connected with the hoisting mechanism, the clamping mechanism is used for clamping a cable to be sleeved, and the connector supporting mechanism is used for supporting an insulating prefabricated part to be sleeved of a cable connector; and the to-be-sleeved insulating prefabricated member is driven to move along the axial direction of the to-be-sleeved cable, so that the to-be-sleeved insulating prefabricated member is sleeved at the butt joint position of the to-be-sleeved cable. The insulation prefabricated part is driven to move towards the clamping mechanism through position adjustment of the joint supporting mechanism, so that the cable is gradually sleeved with the insulation prefabricated part, and the problems that in a traditional manual installation method, cooperation of multiple persons is needed, the installation steps are tedious, time consumption is long, efficiency is low, and precision is insufficient are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of power cable accessories, and in particular to a device and method for assembling insulating preforms for high-voltage cable joints. Background Art

[0002] As a core component of the power transmission network, the installation quality of high-voltage cable joints directly affects the reliability and safety of power grid operation.

[0003] The traditional installation process for prefabricated insulation connectors for high-voltage cable connections relies primarily on manual labor, using tools such as positioning clamps, pull plates, and manual hoists for pulling. The specific installation process is as follows: Install positioning clamps and a pulling device on the outer sheath of the long cable end. Clean the cable insulation, cable shield, and the inner surface of the prefabricated connector, then dry them with a heat gun. Apply lubricant evenly to the cable insulation, guide head, and inner surface of the prefabricated connector. Tighten the hoist to insert the connector into the cable until the insulation at the long cable end is exposed. Crimping the connecting tube and installing the shielding cover, the insulation is then pulled into position using the same method. Wrap the contact points with tape. Traditional manual installation requires multiple people, is complex, time-consuming, and inefficient. Summary of the Invention

[0004] In view of this, the present invention proposes a set device and method for high-voltage cable joint insulation prefabricated parts, which aims to solve the problem that the existing high-voltage cable joint outer sheath is pulled by positioning clamps, pull plates and manual hoists and other tools, which requires the cooperation of multiple people, the installation steps are cumbersome, time-consuming and inefficient.

[0005] On the one hand, the present invention proposes a device for fitting insulating preforms of high-voltage cable joints, the device comprising: a hoisting mechanism, a joint supporting mechanism and a clamping mechanism; wherein the hoisting mechanism is used to be hoisted at a pre-installed position of the cable to be fitted; the joint supporting mechanism is arranged on one side of the clamping mechanism in a position-adjustable manner, and the joint supporting mechanism is also connected to the hoisting mechanism; the clamping mechanism is used to clamp onto the cable to be fitted, and the hoisting mechanism is used to hoist the joint supporting mechanism so that the joint supporting mechanism is hoisted to one side of the clamping mechanism; the joint supporting mechanism is used to support the insulating preform to be fitted of the cable joint, and drive the insulating preform to be fitted to move along the axial direction of the cable to be fitted, so that the insulating preform is fitted to the docking position of the cable to be fitted.

[0006] Furthermore, in the above-mentioned suiting device for high-voltage cable joint insulation preforms, the clamping mechanism includes: a detachable clamping bracket, which is used to be disassembled and assembled to be sleeved on the outside of the cable to be sleeved; two clamping blocks, which are arranged relatively inside the detachable clamping bracket, and the two clamping blocks are connected to the detachable clamping bracket in a slidable manner along a preset direction, and are used to move toward each other to clamp onto the cable to be sleeved or move away from each other to release the cable to be sleeved; a clamping drive mechanism, whose power output end is connected to the two clamping blocks, and is used to drive the two clamping blocks to move toward each other or away from each other.

[0007] Furthermore, in the above-mentioned set device for high-voltage cable joint insulation preforms, the clamping drive mechanism includes: a clamping drive motor; a transmission assembly, whose power input end is connected to the clamping drive motor, and the power output end is connected to the two clamping blocks, for converting the rotation of the clamping drive motor into toward or away movement of the two clamping blocks.

[0008] Furthermore, in the above-mentioned set device for high-voltage cable joint insulation preforms, the transmission assembly includes: a transmission gear train and a transmission screw; wherein the power input end of the transmission gear train is connected to the power output end of the clamping drive motor, the power output end of the transmission gear train is connected to the transmission screw, and the transmission screw is screwed to the two clamping blocks respectively, for converting the rotation of the transmission gear train into toward or away movement of the two clamping blocks.

[0009] Furthermore, the above-mentioned set device for high-voltage cable joint insulation preforms, the transmission assembly includes: a first screw rod body and a second screw rod body arranged in opposite spiral directions and detachably connected; wherein, the first screw rod body and the second screw rod body are respectively rotatably passed through the two clamping blocks, and the first screw rod body and the second screw rod body are respectively transmission-connected with the two clamping blocks, and the first screw rod body and the second screw rod body respectively form two groups of ball screw pairs with the two clamping blocks to drive the two clamping blocks to move toward or away from each other.

[0010] Furthermore, in the above-mentioned set device for high-voltage cable joint insulation preforms, the joint support mechanism is connected to a movable drive mechanism, and the movable drive mechanism is used to drive the joint support mechanism to adjust its position.

[0011] Furthermore, in the above-mentioned set device for high-voltage cable joint insulation preforms, the movable drive mechanism includes: a movable drive motor; a ball screw, which is threadedly connected to the joint support mechanism to form a ball screw pair, which is used to convert the rotation of the movable drive motor into reciprocating linear motion of the joint support mechanism to achieve position adjustment of the joint support mechanism.

[0012] Furthermore, in the above-mentioned set device for high-voltage cable joint insulating preforms, the joint support mechanism includes: two joint support baffles arranged side by side and at intervals, for supporting two different axial positions of the insulating preform to be set; a connecting rod, which is arranged between the two joint support baffles, and the two ends of the connecting rod are respectively connected to the two joint support baffles.

[0013] Furthermore, in the above-mentioned assembly device for high-voltage cable joint insulating preforms, the joint bracket baffle is provided with a lifting ear, and the joint bracket baffle is provided with a card slot for clamping the insulating preform to be assembled.

[0014] Furthermore, the above-mentioned set device for high-voltage cable joint insulation preforms also includes: an auxiliary sliding mechanism; wherein the lifting mechanism is connected to the sliding part of the auxiliary sliding mechanism, so that when the joint support mechanism is adjusted in position, the lifting mechanism and the sliding part of the auxiliary sliding mechanism move synchronously with the joint support mechanism.

[0015] On the other hand, the present invention also proposes a method for sheathing an insulating preform of a high-voltage cable joint, using the above-mentioned sheathing device for the insulating preform of a high-voltage cable joint, the method comprising the following steps: preliminarily clamping the clamping mechanism to the outer wall of the cable to be sheathed; hoisting the lifting mechanism at the pre-installation position of the cable to be sheathed, and assembling the joint support mechanism hoisted by the lifting mechanism with the clamping mechanism, placing the insulating preform of the cable joint to be sheathed on the joint support mechanism in a coaxial arrangement with the cable to be sheathed; adjusting the position of the joint support mechanism so that it gradually moves closer to the clamping mechanism, driving the insulating preform to be sheathed to move along the axial direction of the cable to be sheathed until the insulating preform to be sheathed is sheathed to the docking position of the cable to be sheathed, thereby completing the sheathing process of the cable joint.

[0016] The present invention provides a device and method for attaching a high-voltage cable joint insulation preform. The device and method utilize a clamping mechanism to clamp the cable to be attached, and a lifting mechanism to lift or assist the joint support mechanism, so that the joint support mechanism is supported on one side of the clamping mechanism. The position of the joint support mechanism is adjusted to drive the insulation preform supported on the joint support mechanism toward the clamping mechanism, so that the joint support mechanism drives the insulation preform to move axially along the cable to be attached. This allows the insulation preform to be attached to the cable to be attached, and then gradually attached to the cable to be attached, completing the cable joint attachment process. This overcomes the problems of traditional manual installation methods, such as the need for multiple people to collaborate, the cumbersome and time-consuming installation steps, low efficiency, and insufficient precision. Furthermore, it addresses the poor adaptability of traditional equipment in different environments. The automated attachment device provided by the present invention can achieve high-precision positioning of high-voltage cable joint insulation preforms, ensure stable clamping, and enable automated operation processes, thereby significantly improving operation efficiency and quality. High precision, miniaturization, and automatic deviation control are all achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. The same reference symbols are used throughout the drawings to represent the same components. In the drawings:

[0018] Figure 1 A schematic diagram of the side structure of a mounting device for a high-voltage cable joint insulation preform provided in an embodiment of the present invention;

[0019] Figure 2 A side view of a mounting device for a high-voltage cable joint insulation preform provided in an embodiment of the present invention;

[0020] Figure 3 A schematic structural diagram of a device for mounting an insulating preform for a high-voltage cable joint according to an embodiment of the present invention;

[0021] Figure 4 A schematic structural diagram of the connection between the joint support mechanism and the ball screw provided in an embodiment of the present invention;

[0022] Figure 5 A flowchart of a method for assembling prefabricated insulating components for high-voltage cable joints according to an embodiment of the present invention;

[0023] Figure 6 A detailed flowchart of a method for assembling insulating preforms for high-voltage cable joints according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, unless there is a conflict, the embodiments of the present disclosure and the features described in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] Device Example:

[0026] See also Figures 1 to 3 , which shows the preferred structure of the assembly device for high-voltage cable joint insulation preforms provided by an embodiment of the present invention. As shown in the figure, the device includes: an auxiliary sliding mechanism 1, a lifting mechanism 2, a joint support mechanism 3, a clamping mechanism 4, and a moving drive mechanism 5; wherein,

[0027] The hoisting mechanism 2 is connected to the sliding portion of the auxiliary sliding mechanism 1; the hoisting mechanism 1 is used to be hoisted at the pre-installed position of the cable (not shown in the figure); the joint support mechanism 3 is arranged on one side of the clamping mechanism 4 in a position-adjustable manner (such as Figure 3 The right side of the figure shows the connector support mechanism 3, and the connector support mechanism 3 is used as a connector mounting bracket and is also connected to the lifting mechanism 2; the clamping mechanism 4 is used to clamp onto the cable to be set, and the lifting mechanism 2 is used to lift the connector support mechanism 3 so that the connector support mechanism 3 is lifted to one side of the clamping mechanism 4 (as shown in FIG. Figure 3 the right side shown); the joint support mechanism 3 is used to support the insulating preform to be set on the cable joint, and drive the insulating preform to be set to move along the axial direction of the cable to be set, so that the insulating preform is set to the docking position of the cable to be set, thereby completing the cable joint set process.

[0028] Specifically, the cable joint includes an insulating preform and a housing disposed around the outer periphery of the insulating preform. During installation, the insulating preform can be pre-assembled from the end of one of the cables onto the cable, and the two cable ends can be butted. After the cables are butted and the insulating preform is fitted onto one of the cables, an auxiliary sliding mechanism 1 can be fixed at the pre-installed position of the cable to be fitted, such that the auxiliary sliding mechanism 1 is arranged axially above the cable to be fitted, providing a support platform and a sliding platform for the joint support mechanism 3. The lifting mechanism 2 can be a lifting rope structure, the top of which can be fixedly mounted on the sliding portion of the auxiliary sliding mechanism 1, and the bottom end can be fixedly connected to the joint support mechanism 3, so that the joint support mechanism 3 is lifted on the sliding portion of the auxiliary sliding mechanism 1, achieving preliminary installation and fixation of the joint support mechanism 3. In this embodiment, the joint support mechanism 3 and the clamping mechanism 4 can be arranged at intervals along the axial direction of the cable to be fitted, and the clamping mechanism 4 can be fitted onto the cable to secure the clamping mechanism 4 to the cable to be fitted. The joint support mechanism 3 is arranged on the right side of the clamping mechanism 4 in a position-adjustable manner to drive the insulating preform to be installed supported on the joint support mechanism 3 to move toward the clamping mechanism 4, so that the joint support mechanism 3 drives the insulating preform to be installed to move axially along the cable to be installed, and then the insulating preform to be installed is gradually installed to the docking position of the cable to be installed, completing the installation process of the cable joint. The shell of the cable joint is a split structure. After the insulating preform to be installed is installed to the docking position of the cable to be installed, the shell can be installed to complete the installation of the cable joint.

[0029] Continue to see Figures 1 to 3 The clamping mechanism 4 is provided with a mobile driving mechanism 5, whose power output end is connected to the joint support mechanism 3, and is used to drive the joint support mechanism 3 to adjust its position so as to achieve the installation of the insulating preform to be installed. At the same time, the setting of the mobile driving mechanism 5 can also realize the connection between the clamping mechanism 4 and the joint support mechanism 3, so as to ensure the coaxial installation between the insulating preform to be installed and the cable to be installed. In this embodiment, there can be two mobile driving mechanisms 5, which are fixedly installed on both sides of the clamping mechanism 4 (such as Figure 2 The power output ends are connected to the two sides of the joint support mechanism 3, respectively, to drive the two sides of the joint support mechanism 3 to move synchronously, thereby ensuring the stability of the movement of the joint support mechanism 3 and preventing the joint support mechanism 3 from tilting. This ensures that the insulating preform to be installed and the cable to be installed remain coaxial during the installation process, avoiding positional deviation. In this embodiment, drive brackets 6 can be provided on both sides of the clamping mechanism 4 to support the mobile drive mechanism 5.

[0030] In this embodiment, the auxiliary sliding mechanism 1 can be fixed to the top of the tunnel wall, and the lifting mechanism 2 is used to assist in lifting the joint support mechanism 3. When the joint support mechanism 3 is adjusted in position, the lifting mechanism 2 and the sliding portion of the auxiliary sliding mechanism 1 move synchronously with the joint support mechanism 3, thereby reducing the resistance of the transmission process of the insulating preform to be installed. Among them, the insulating preform to be installed is an integral prefabricated rubber part, and the cable to be installed can be supported by an external support frame so that the cable to be installed remains in a horizontal and straightened state. The clamping mechanism 4 is clamped and fixed on the cable to be installed, and the joint support mechanism 3 can be adjusted in position along the axial direction of the cable to be installed. The joint support mechanism 3 drives the insulating preform to be installed to move along the axial direction of the cable to be installed toward the clamping mechanism 4, so that the insulating preform to be installed is installed on the docking position of the cable to be installed.

[0031] In this embodiment, a laser sensor (not shown in the figure) is provided on the joint support mechanism 3, which is used to obtain the axial position of the insulating preform to be installed supported by the joint support mechanism 3, and then obtain the axial position deviation of the insulating preform to be installed based on the axial position of the insulating preform to be installed combined with the preset installation position and the preset axial movement stroke, that is, it can detect the initial installation position of the insulating preform to be installed and detect the axial position deviation of the insulating preform to be installed in real time. Specifically, the laser sensor can be connected to an alarm, which is used to alarm when the axial position deviation between the insulating preform to be installed and the cable to be installed obtained by the laser sensor is greater than a threshold value, so as to prompt the construction personnel to adjust the position of the insulating preform to be installed. Among them, the laser sensor can achieve a measurement range of 0.1m to 2m, a resolution of 1mm, a measurement error of ±2mm, and finally achieve the requirement of installation positioning deviation ≤5mm, that is, the requirement of installation positioning deviation ≤5mm of the installation position of the insulating preform to be installed is achieved, ensuring that the installation size of the joint of the insulating preform to be installed is accurate and in place, providing reliability for the stable operation of the cable accessories. Of course, the laser sensor may also be connected to a display for displaying the axial position deviation of the insulating preform to be installed, as measured by the laser sensor. The laser sensor may be a laser displacement sensor or another sensor. In this embodiment, the axial position deviation of the insulating preform to be installed, as measured by the laser sensor, may be the distance position deviation from the clamping mechanism 4, i.e., the difference between the distance from the clamping mechanism 4 and a preset distance. The preset distance may be determined based on actual circumstances, such as a preset installation position and a preset axial travel distance, to determine the actual installation position and axial travel distance of the insulating preform to be installed.

[0032] Continue to see Figure 3 The auxiliary sliding mechanism 1 includes: a slide rail 11 and a pulley (not shown in the figure); wherein the pulley is arranged along the length direction of the slide rail 11 (such as Figure 3The horizontal direction shown in the figure) is arranged on the slide rail 11 in a sliding manner, and the pulley is connected to the joint support mechanism 3 through the lifting mechanism 2. In particular, the top end of the lifting mechanism 2 is fixedly installed on the pulley, and is used to slide with the joint support mechanism 3 when the joint support mechanism 3 is adjusted in position, that is, when the joint support mechanism 3 is adjusted in position, the lifting mechanism 2 and the pulley slide synchronously to reduce the resistance of the transmission process of the insulating prefabricated component to be fitted.

[0033] Continue to see Figure 3 and Figure 4 The joint support mechanism 3 includes: two joint support baffles 31 and a connecting rod 32; wherein the two joint support baffles 31 are arranged side by side and at intervals, and are used to support two different axial positions of the insulating preform to be set; the connecting rod 32 is arranged between the two joint support baffles 31, and both ends of the connecting rod 32 (such as Figure 4 The left and right ends shown in the figure are respectively connected to the two joint bracket baffles 31.

[0034] Specifically, two joint support baffles 31 are arranged in parallel and at intervals to support the insulating prefabricated parts to be installed; a plurality of connecting rods 32 are provided between the two joint support baffles 31. The plurality of connecting rods 32 are arranged in parallel between the two joint support baffles 31, and both ends are fixedly connected to the two joint support baffles 31. The ends of the connecting rods 32 are detachably connected to the joint support baffles 31, and can also be connected by other means, which are not limited in this embodiment. In this embodiment, there can be five connecting rods 32, arranged in an arc shape, to provide secondary support for the insulating prefabricated parts to be installed; of course, the number of connecting rods 32 can also be other numbers, which are not limited in this embodiment. The connector support baffle 31 may be provided with a slot 311, which may be a semicircular joint adapted to the outer contour of the insulating preform to be installed, and is used to secure the insulating preform to be installed so that the insulating preform to be installed fits in the slot 311, thereby ensuring the positional accuracy of the insulating preform to be installed, thereby ensuring that the insulating preform to be installed is coaxially arranged with the cable to be installed, and facilitating the installation of the insulating preform to be installed. The slot 311 is provided at the top of the vertically arranged connector support baffle 31, and is a notched structure with an opening, so that the insulating preform to be installed can be placed in the slot 311 from top to bottom from the opening, so as to be supported by the solid portion of the connector support baffle 31. In this embodiment, the connector support baffle 31 is connected to the clamping mechanism 4. By controlling the relative position between the slot 311 and the clamping center of the clamping mechanism 4, the positional relationship between the axis of the insulating preform to be installed and the axis of the cable to be installed can be controlled. In this embodiment, the two joint support baffles 31 may be provided with lifting ears 33 for connecting to the lifting mechanism 2 to achieve the lifting and fixing of the joint support mechanism 3. Among them, the connecting rod 32 may adopt a hollow tube structure, which can ensure the connection strength while reducing the weight of the joint support mechanism 3.

[0035] Continue to see Figures 1 to 2 The clamping mechanism 4 includes: a detachable clamping bracket 41, two clamping blocks 42, and a clamping drive mechanism 43; wherein the detachable clamping bracket 41 is used for disassembly and assembly to be mounted on the outside of the cable to be mounted; the two clamping blocks 42 are relatively arranged inside the detachable clamping bracket 41, and the two clamping blocks 42 are arranged along a preset direction (such as Figure 2 The vertical direction shown is Figure 2 The two clamping blocks 42 are connected to the detachable clamping bracket 41 in a slidable manner (in the direction indicated by the double arrow in the figure) for moving toward each other to clamp the cable to be installed or moving away from each other to release the cable to be installed; the power output end of the clamping drive mechanism 43 is connected to the two clamping blocks 42 for driving the two clamping blocks 42 to move toward each other or away from each other.

[0036] Specifically, the detachable clamping bracket 41 can be a detachable square support frame so that it can be disassembled during installation and then installed or sleeved onto the outer periphery of the cable to be sleeved. The interior of the detachable clamping bracket 41 is provided with two clamping blocks 42 arranged opposite to each other. Both clamping blocks 42 are slidably connected to the inner wall of the detachable clamping bracket 41 along a preset direction. The preset direction can be perpendicular to any direction of the axial direction of the cable to be sleeved, that is, any radial direction of the cable to be sleeved, that is, Figure 2 In any direction of the plane where the cable is located, in this embodiment, the preset direction can be the vertical direction or other radial direction of the cable to be sheathed. The clamping mechanism 4 can also be provided with a clamping drive mechanism 43, the power output ends of the clamping drive mechanism 43 are respectively connected to the two clamping blocks 42, which are used to drive the two clamping blocks 42 to slide toward or away from each other along the preset direction to achieve the centering of the clamping, ensuring that the clamping center of the two clamping blocks 42 is at the center position of the cable to be sheathed after the clamping mechanism 4 is clamped, that is, an innovative bidirectional clamping method is adopted to ensure that the cable to be sheathed is always in the middle position. Combined with the driving method of the stepper motor and the reducer, the entire clamping mechanism is safe and reliable, providing a reliable fixed fulcrum for the entire automated auxiliary operation device, thereby achieving stable and reliable operation of the entire device. Among them, the clamping block 42 can be provided with a pressure sensor to obtain the clamping force on the cable to be sheathed.

[0037] Of course, in other embodiments, one of the clamping blocks 42, such as the one located on the lower side, can be fixedly mounted on the lower cover plate 411 of the detachable clamping bracket 41. The mounting position of the lower clamping block is adapted to the slot 311 on the connector bracket baffle 31 to ensure that the insulating preform to be installed is coaxially arranged with the cable to be installed. The upper clamping block is connected to the clamping drive mechanism 43 and can slide vertically under the drive of the clamping drive mechanism 43 to move toward or away from the lower clamping block to clamp or release the cable to be installed. In this embodiment, the main clamping element of the clamping block 42 is designed with reference to the structure of the positioning element V-block, that is, a V-shaped clamping groove is provided on one side. The clamping blocks 42 are used in pairs to firmly clamp the circular cable to be installed. A rubber pad 44 is provided at the V-shaped clamping groove to increase the friction between the clamping block 42 and the cable to be installed, thereby achieving both high friction resistance and protection for the cable to be installed.

[0038] Continue to see Figure 1 and Figure 2The detachable clamping bracket 41 includes: a lower cover plate 411, an upper cover plate 412 and two supporting side plates 413; wherein the lower cover plate 411 and the upper cover plate 412 are arranged side by side and at intervals, and the two supporting side plates 413 are arranged between the lower cover plate 411 and the upper cover plate 412 to form a rectangular frame structure; one end of the two supporting side plates 413 is connected to the upper cover plate 412, and the other end is detachably connected to the lower cover plate 411, so that the detachable clamping bracket 41 can be fitted to the periphery of the cable to be fitted.

[0039] Specifically, the fixed end of the clamping drive mechanism 43 can be fixedly mounted on the upper cover plate 412. The upper cover plate 412 and the two supporting side plates 413 can be fixedly connected, or connected by other means, such as a detachable connection, to form an inverted U-shaped structure with its open end facing downward, which can be installed from top to bottom around the outer periphery of the cable to be installed. The left and right ends of the lower cover plate 411 are respectively detachably connected to the bottom ends of the two supporting side plates 413, for example, by connecting screws and pins to achieve disassembly and assembly, and then fixed to the cable to be installed to provide fixed support. In this embodiment, the inner walls, i.e., the opposing walls, of the two supporting side plates 413 can be provided with guide grooves (not shown in the figure) to guide the upward and downward sliding of the two clamping blocks 42.

[0040] Continue to see Figure 1 and Figure 2 The clamping drive mechanism 43 includes: a clamping drive motor 431 and a transmission mechanism 432; wherein the power input end of the transmission assembly 432 is connected to the clamping drive motor 431, and the power output end is respectively connected to the two clamping blocks 42, for converting the rotation of the clamping drive motor 431 into the movement toward or away from each other of the two clamping blocks 42. Specifically, the transmission assembly 432 has two power output ends for synchronous power output, which correspond to the left and right ends of the clamping blocks 42 respectively. The two power output ends are respectively connected to the left and right ends of the clamping blocks. For example, the left power output end is connected to the left ends of the two clamping blocks, and the right power output end is electrically connected to the right ends of the two clamping blocks 42, so as to drive the left and right ends of the two clamping blocks 42 to move toward or away from each other synchronously, thereby ensuring that the two ends of the two clamping blocks 42 slide synchronously, avoiding the two clamping blocks 42 from tilting, etc., thereby ensuring the synchronization and stability during the clamping process of the cable to be set. Among them, the clamping drive motor 431 can be a combination of a stepper motor and a reducer. For example, the stepper motor can be equipped with a reducer motor with a reduction ratio of 1:5 to provide a large torque to achieve the clamping requirements. After the stepper motor and the reducer are assembled, they are fixed on the upper cover plate 412, and the power output end can be rotatably passed through the upper cover plate 412 to facilitate the transmission connection of the transmission component 432 arranged on the lower side of the upper cover plate 412, which is used to drive the transmission component 432 to drive the clamp 42 to clamp the cable to be installed.

[0041] Continue to see Figure 1and Figure 2 The transmission mechanism 432 may include: a transmission gear train 4321 and a transmission screw 4322; wherein the power input end of the transmission gear train 4321 is connected to the power output end of the clamping drive motor 431, and the power output end of the transmission gear train 4321 is connected to the transmission screw 4322, and the transmission screw 4322 is screwed to the two clamping blocks 42 respectively, for converting the rotation of the transmission gear train 4321 into the opposite movement or opposite movement of the two clamping blocks 42. Specifically, the transmission screw 4322 can be arranged along the length direction of the guide groove, that is, arranged vertically, and the clamping block 42 is provided with a screw hole adapted to the transmission screw 4322 to form a ball screw pair, and the two clamping blocks 42 and the transmission screw 4322 form two opposite ball screw pairs, so that when the transmission screw 4322 rotates, the two clamping blocks 42 can move along the length direction of the transmission screw 4322 (such as Figure 2 The two clamping blocks 42 can slide in opposite directions (in the vertical direction shown) to achieve the movement toward or away from each other of the two clamping blocks 42. The transmission screw 4322 is rotatably connected to the lower cover plate 411 and the upper cover plate 412.

[0042] In this embodiment, the transmission gear train 4321 may have two power output ends, and there may be two transmission screws 4322. The power input end is respectively connected to the two power output ends of the transmission gear train 4321. The two transmission screws 4322 are respectively connected to the left and right ends of the clamping block 42, so that the two ends of the two clamping blocks 42 slide synchronously. That is, the two transmission screws 4322 serve as the two power output ends of the transmission mechanism 432, and the distribution plate corresponds to the left and right ends of the clamping block 42. Specifically, the two power output ends of the transmission gear train 4321 rotate synchronously; the two transmission screws 432 are arranged side by side and spaced apart and are respectively connected to the two power output ends of the transmission gear train 4321, and the two transmission screws 4322 are respectively rotatably inserted into the two clamping blocks 42. The two transmission screws 4322 are also in transmission connection with the two clamping blocks 42, and are used to convert the rotation of the power output end of the transmission gear train 431 into the two clamping blocks 42 moving toward or away from each other. Among them, the transmission gear system 4321 can include a large gear and two small gears meshing with the large gear. The large gear serves as the power input end and is fixedly connected to the output shaft of the clamping drive motor 431 through a key. The two small gears serve as two power output ends and are respectively fixedly connected to the two transmission screw rods 4322 through a key.

[0043] Continue to see Figure 2The transmission screw 4322 includes: a first screw body 43221 and a second screw body 43222 which are arranged in opposite spiral directions and are detachably connected; wherein, the first screw body 43221 and the second screw body 43222 are respectively rotatably passed through the two clamping blocks 42 and are respectively transmission connected to the two clamping blocks 42 to form two groups of oppositely arranged ball screw pairs to drive the two clamping blocks 42 to move toward or away from each other. Specifically, the first screw rod body 43221 is rotatably connected to the upper cover plate 412, and the second screw rod body 43222 is rotatably connected to the lower cover plate 411, and the first screw rod body 43221 and the second screw rod body 43222 are respectively connected to the two clamping blocks 42, and the first screw rod body 43221 and the second screw rod body 43222 are detachably connected, for example, by a detachable connection through a fixed pin shaft, etc. The upper cover plate 412, the two supporting side plates 413, the upper side clamping blocks and the two first screw rod bodies 43221 of the two transmission screw rods 4322 form an integrated structure, forming the upper part of the detachable clamping bracket 41, and the two second screw rod bodies 43222 of the two transmission screw rods 4322 form an integrated structure with the lower cover plate 411, forming the upper part of the detachable clamping bracket 41, and the upper and lower parts are detachable, and can be put on the periphery of the cable to be put on. The first and second screw bodies 43221 and 43222 are arranged with opposite spiral directions, for example, one rotating counterclockwise and the other rotating counterclockwise, while the two clamping blocks 42 are arranged with the same spiral direction, forming two sets of oppositely arranged ball screw pairs. This allows the first and second screw bodies 43221 and 43222 to rotate synchronously, driving the two clamping blocks 42 to move toward or away from each other. Both the first and second screw bodies 43221 and 43222 can be trapezoidal screw structures, which are self-locking and will not fail to lock due to a sudden power outage of the motor after clamping.

[0044] Continue to see Figure 3 The mobile driving mechanism 5 includes: a mobile driving motor 51 and a ball screw 52; wherein the ball screw 52 is threadedly connected to the joint support mechanism 3 to form a ball screw pair, which is used to convert the rotation of the mobile driving motor 51 into a reciprocating linear motion of the joint support mechanism 3 to achieve position adjustment of the joint support mechanism 3.

[0045] Specifically, the mobile drive motor 51 can be fixedly mounted on the drive bracket 6, and the output shaft of the mobile drive motor 51 can be rotatably passed through the drive bracket 6. The ball screw 52 is arranged along the axial direction of the cable to be installed, that is, the ball screw 52 is arranged perpendicular to the surface where the detachable clamping bracket 41 is located. It is transmission-connected with the left joint bracket baffle 31 to form a ball screw pair, so as to convert the output rotation of the mobile drive motor 51 into reciprocating linear motion of the joint bracket baffle 31 along the ball screw 52, thereby driving the connecting rod 32, the other joint bracket baffle 31, and the insulating preform to be installed supported on the joint bracket baffle 31 to perform reciprocating linear motion, especially allowing the insulating preform to be installed to slide along the axial direction of the cable to be installed so as to be installed on the insulating preform to be installed. The mobile drive motor 51 can be used with a stepper motor and a reducer to ensure that the torque meets the requirements, achieving high thrust (≥4900N) and high transmission efficiency (≥90%). The ball screw 52 can be a high-precision rolled ball screw. The ball screw consists of a screw and a screw nut, which can be embedded in the joint bracket baffle 31. It has low friction loss, high transmission efficiency and precision, high axial stiffness, and low starting torque, which can achieve high-speed and micro-feed control. The ball screw adopts an assembly method with one end fixed and the other end free, which can achieve forward and reverse transmission. A single installation can meet the requirements of the insulation prefabricated parts to be installed, especially suitable for narrow working environments. In this embodiment, the ball screw 52 and the mobile drive motor 51 are detachably connected by a connecting member such as a fixed pin.

[0046] In this embodiment, the thrust between the integral prefabricated rubber joint, i.e., the cable joint, and the cable insulation can be studied to calculate the thrust required for the integral prefabricated rubber joint assembly. Combined with the driving method of the stepper motor and the ball screw transmission mechanism, stable and reliable power is provided for the automated auxiliary operation device for the integral prefabricated rubber joint assembly of the high-voltage cable joint, which can be used in multiple scenarios.

[0047] In this embodiment, the device may further include: a control panel electrically connected to the clamping drive motor 431 and the moving drive motor 51. The control panel may be provided with a preliminary clamping control button for controlling the rotation of the clamping drive motor 431 to initially clamp the clamping block onto the cable to be fitted, a parameter setting panel, a start button, a forward clamping button for controlling the rotation of the clamping drive motor 431 to clamp the clamping block onto the cable to be fitted, a fitting axis insertion button for controlling the start of the moving drive motor 51 to drive the ball screw to move the connector bracket baffle 31 axially along the cable to be fitted, and a backward release button for controlling the clamping drive motor 431 to release the clamping block from clamping the cable to be fitted. The parameter setting panel is used to set the transmission screw speed (mm / s), fitting stroke (mm), and fitting speed (mm / s).

[0048] In summary, the present embodiment provides a device for mounting insulating preforms for high-voltage cable joints. The device is clamped on the cable to be mounted by a clamping mechanism 4, and the joint support mechanism 3 is hoisted or auxiliary supported by a hoisting mechanism 2, so that the joint support mechanism 3 is supported on one side of the clamping mechanism 4. The position adjustment of the joint support mechanism 3 drives the insulating preform supported on the joint support mechanism 3 to move toward the clamping mechanism 4, so that the joint support mechanism 3 drives the insulating preform to be mounted to move axially along the cable to be mounted, thereby gradually mounting the insulating preform to be mounted on the cable to be mounted, completing the mounting of the insulating preform to be mounted. This overcomes the problems of traditional manual installation methods such as the need for multi-person collaboration, cumbersome installation steps, long time consumption, low efficiency, and insufficient precision. At the same time, it also solves the defect of poor adaptability of traditional equipment in different environments. Through the automated mounting device provided by the present invention, high-precision positioning of high-voltage cable joint rubber parts can be achieved, stable clamping can be ensured, and automated operation processes can be executed, thereby greatly improving operation efficiency and quality, and achieving the goals of high precision, miniaturization, and automatic control of deviations.

[0049] Furthermore, in this embodiment, the clamping mechanism 4 realizes the clamping and clamping release of the cable to be sheathed by two oppositely arranged clamping blocks 42 moving toward or away from each other, and adopts an innovative two-way clamping method to ensure that the cable to be sheathed is always in the middle position. Combined with the driving method of the stepper motor and the reducer, the entire clamping mechanism is safe and reliable, providing a reliable fixed fulcrum for the entire automated auxiliary operation device, thereby realizing stable and reliable operation of the entire device.

[0050] Method Example:

[0051] See also Figure 5 and Figure 6 , which shows the preferred process of the cable connector assembly method provided by an embodiment of the present invention. The method uses the above-mentioned device to assemble the cable connector. As shown in the figure, the method includes the following steps:

[0052] In the cable clamping step S1, the clamping mechanism is initially clamped onto the outer wall of the cable to be mounted.

[0053] Specifically, first, remove the fixing screws and pins connecting the lower cover 411 and the two supporting side plates 413, and remove the fixing pins connecting the first screw rod body 43221 and the second screw rod body 43222, pull out the lower cover 411 and the lower side clamping block 42 set on the lower cover 411, that is, remove the lower part of the detachable clamping bracket 41; then, install the upper cover 412, that is, the upper part of the detachable clamping bracket 41, on the surface of the cable to be installed, align the center position of the cable to be installed, restore the lower cover and the lower side clamping block 42, that is, restore and install the lower part of the detachable clamping bracket 41, and install the fixing screws, pins on the lower cover 411 and the fixing pins connecting the first screw rod body 43221 and the second screw rod body 43222; finally, press the preliminary clamping control button, and debug the clamping block 42 through program control so that the two clamping blocks 42 preliminarily clamp the cable to be installed.

[0054] In the connector bracket installation step S2, the lifting mechanism is lifted at the pre-installation position of the cable to be installed, and the connector support mechanism and the clamping mechanism lifted by the lifting mechanism are assembled, and the cable connector and the cable to be installed are placed on the connector support mechanism in a coaxial arrangement.

[0055] Specifically, first, the joint support mechanism 3 is suspended on the auxiliary sliding mechanism 1 in conjunction with the lifting mechanism 2, and the joint support mechanism 3 is adjusted to keep it horizontal; then, the center of the slot 311 of the joint bracket baffle 31 is aligned with the center of the cable to be installed clamped by the clamping block 42, and the ball screw 52 installed on the joint bracket baffle 31 is fixed with the pin shaft connected to the mobile drive motor 51; finally, the insulating prefabricated parts to be installed of the cable joint are placed on the two joint bracket baffles 31, especially fixed in the slot 311, and arranged coaxially with the cable to be installed.

[0056] In the fitting step S3, the position of the joint support mechanism is adjusted so that it gradually moves closer to the clamping mechanism, driving the insulating preform to be fitted to move along the axial direction of the cable to be fitted until the insulating preform to be fitted is fitted to the docking position of the cable to be fitted, completing the fitting process of the cable joint.

[0057] Specifically, first, set the transmission screw speed (mm / s), set stroke (mm), set speed (mm / s), and start the equipment to complete the set; when setting, you can first click "Clamp Forward" in the automatic interface to make the clamping drive motor 431 drive the transmission screw 4322 to tighten the clamping block 42, that is, make the two clamping blocks 42 move toward each other until the clamping force reaches the preset pressure, which can be determined according to the actual situation; and check the laser sensor feedback of the center axial position deviation of the insulating preform to be set ≤ 2mm, otherwise manually adjust to make the Place the prefabricated insulating component in the initial installation position. Then click "Sleeve Axis." The ball screw propels the connector support baffle 31 axially along the cable to be installed, allowing the cable connector to be installed. During the installation process, the laser sensor data is monitored in real time. If the center axial position deviation of the prefabricated insulating component exceeds 5mm, the device automatically pauses and issues an alarm, requiring manual intervention and reset. After installation is complete, click "Back Release" to release the clamping mechanism, remove the clamping mechanism 4, remove the fixing pin connecting the ball screw 52 to the mobile drive motor 51, and disassemble the connector support mechanism 3. Removing the clamping mechanism 4 can be accomplished by reversing the cable clamping step S1.

[0058] In summary, the present embodiment provides a method for sheathing a cable connector, which is clamped on the cable by the clamping mechanism 4, and the connector support mechanism 3 is hoisted or auxiliary supported by the hoisting mechanism 2, so that the connector support mechanism 3 is supported on one side of the clamping mechanism 4, and the position of the connector support mechanism 3 is adjusted to drive the cable connector supported on the connector support mechanism 3 to move toward the clamping mechanism 4, so that the connector support mechanism 3 drives the cable connector to move along the cable axis, and then the cable connector is gradually sheathed on the cable, completing the sheathing of the cable connector, overcoming the problems of low efficiency and insufficient precision in traditional manual installation methods. At the same time, it also solves the defect of poor adaptability of traditional equipment in different environments. Through the automated sheathing device provided by the present invention, high-precision positioning of the rubber parts of the high-voltage cable connector can be achieved, stable clamping can be ensured, and automated operation processes can be executed, thereby greatly improving operation efficiency and quality, and achieving the goals of high precision, miniaturization, and automatic control of deviations.

[0059] Furthermore, in this embodiment, the clamping mechanism 4 realizes the clamping and release of the cable by moving toward or away from each other through two relatively arranged clamping blocks 42, and adopts an innovative two-way clamping method to ensure that the cable is always in the middle position. Combined with the driving method of the stepper motor and the reducer, the entire clamping mechanism is safe and reliable, providing a reliable fixed fulcrum for the entire automated auxiliary operation device, thereby realizing stable and reliable operation of the entire device.

[0060] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0061] Furthermore, it should be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0062] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. A set device for high-voltage cable joint insulation prefabricated parts, characterized in that: include: Lifting mechanism, joint support mechanism and clamping mechanism; wherein, The hoisting mechanism is used for hoisting at a pre-installation position of the cable to be installed; The joint support mechanism is arranged on one side of the clamping mechanism in a position-adjustable manner, and the joint support mechanism is also connected to the hoisting mechanism; the clamping mechanism is used to clamp onto the cable to be installed, and the hoisting mechanism is used to hoist the joint support mechanism so that the joint support mechanism is hoisted to one side of the clamping mechanism; the joint support mechanism is used to support the insulating preform to be installed of the cable joint, and drive the insulating preform to be installed to move along the axial direction of the cable to be installed, so that the insulating preform to be installed is installed at the docking position of the cable to be installed.

2. The assembly device for high-voltage cable joint insulation preforms according to claim 1, characterized in that: The clamping mechanism comprises: A detachable clamping bracket, used for being disassembled and mounted on the outside of the cable to be mounted; Two clamping blocks are arranged opposite to each other inside the detachable clamping bracket, and the two clamping blocks are connected to the detachable clamping bracket in a slidable manner along a preset direction, and are used to move toward each other to clamp onto the cable to be installed or move away from each other to release the cable to be installed; The clamping drive mechanism has a power output end connected to the two clamping blocks and is used to drive the two clamping blocks to move toward or away from each other.

3. The assembly device for high-voltage cable joint insulation preforms according to claim 2, characterized in that: The clamping drive mechanism comprises: Clamping drive motor; The transmission assembly has a power input end connected to the clamping drive motor and a power output end connected to the two clamping blocks, and is used to convert the rotation of the clamping drive motor into the toward or away movement of the two clamping blocks.

4. The assembly device for high-voltage cable joint insulation preforms according to claim 3, characterized in that: The transmission assembly includes: a transmission gear train and a transmission screw; wherein, The power input end of the transmission gear train is connected to the power output end of the clamping drive motor, and the power output end of the transmission gear train is connected to the transmission screw rod, and the transmission screw rod is screwed to the two clamping blocks respectively, for converting the rotation of the transmission gear train into the toward or away movement of the two clamping blocks.

5. The assembly device for high-voltage cable joint insulation preforms according to claim 4, characterized in that: The transmission screw comprises: a first screw body and a second screw body arranged in opposite spiral directions and detachably connected; wherein, The first screw rod body and the second screw rod body are respectively rotatably provided in the two clamping blocks, and the first screw rod body and the second screw rod body are respectively transmission connected with the two clamping blocks. The first screw rod body and the second screw rod body respectively form two groups of ball screw pairs with the two clamping blocks to drive the two clamping blocks to move toward or away from each other.

6. The assembly device for high-voltage cable joint insulation preforms according to any one of claims 1 to 5, characterized in that: The joint supporting mechanism is connected to a moving driving mechanism, and the moving driving mechanism is used to drive the joint supporting mechanism to adjust its position.

7. The assembly device for high-voltage cable joint insulation preforms according to claim 6, characterized in that: The mobile driving mechanism comprises: Mobile drive motor; A ball screw is threadedly connected to the joint support mechanism to form a ball screw pair, which is used to convert the rotation of the mobile drive motor into reciprocating linear motion of the joint support mechanism to achieve position adjustment of the joint support mechanism.

8. The assembly device for high-voltage cable joint insulation preforms according to any one of claims 1 to 5, characterized in that: The joint supporting mechanism comprises: Two joint support baffles arranged side by side and at intervals are used to support the insulating prefabricated component to be mounted at two different axial positions; The connecting rod is arranged between the two joint bracket baffles, and both ends of the connecting rod are respectively connected to the two joint bracket baffles.

9. The assembly device for high-voltage cable joint insulation preforms according to any one of claims 1 to 5, characterized in that: Also includes: Auxiliary sliding mechanism; wherein, The hoisting mechanism is connected to the sliding portion of the auxiliary sliding mechanism, so that when the joint support mechanism is adjusted in position, the hoisting mechanism and the sliding portion of the auxiliary sliding mechanism move synchronously with the joint support mechanism.

10. A method for assembling a high-voltage cable joint insulation prefabricated part, characterized in that: The method of using the assembly device for high-voltage cable joint insulation preforms according to any one of claims 1 to 9 for assembly comprises the following steps: Initially clamp the clamping mechanism onto the outer wall of the cable to be fitted; Hoisting the lifting mechanism at the pre-installed position of the cable to be sleeved, assembling the joint support mechanism and the clamping mechanism hoisted by the lifting mechanism, and placing the insulating prefabricated part of the cable joint to be sleeved and the cable to be sleeved on the joint support mechanism in a coaxial arrangement; The position of the joint support mechanism is adjusted so that it gradually moves closer to the clamping mechanism, driving the insulating preform to be fitted to move along the axial direction of the cable to be fitted until the insulating preform to be fitted is fitted to the docking position of the cable to be fitted, completing the cable joint fitting process.

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