Cable insulation protection sleeve system and installation method

Abstract

The invention discloses a cable insulation protection sleeve system and an installation method, and belongs to the technical field of cable protection equipment. The system comprises two positioning sleeves capable of being opened and closed, an insulating protection sleeve capable of being opened and closed and a traction mechanism, the two positioning sleeves are fixedly arranged outside an insulating skin of a cable in a sleeving mode and located on the two opposite sides of the exposed position of the cable, and an annular channel is formed between each positioning sleeve and the cable; the insulation protection sleeve is slidably sleeved outside the insulation skin of the cable, and the insulation protection sleeve is slidably installed in the at least one annular channel; the traction mechanism comprises a traction body and a driving part, one end of the traction body is detachably connected with the insulation protection sleeve, the other end of the traction body is fixedly connected with the driving part, and the driving part is used for driving the insulation protection sleeve to slide between the two annular channels so as to expose or wrap the exposed position of the cable. In the whole process of the system, an operator does not need to manually open or close the sheath close to the exposed part of the cable, and the electric shock risk is greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of cable protection equipment technology, and in particular to a cable insulation protection sleeve system and installation method. Background Technology

[0002] In the daily operation and maintenance of cable transmission, installing shunt clamps and grounding devices is a key step to ensure equipment safety and carry out maintenance and repair. The most traditional and direct way to do this is to cut the cable insulation layer in order to install the required shunt clamps and grounding devices. However, this method not only adds to the complexity of the operation and increases the operation time, but also greatly increases the safety risks to the operators.

[0003] Therefore, the existing technology uses a longitudinally opening and closing insulating protective sleeve, which includes two insulating half-tubes and a locking device. The two insulating half-tubes are opened and closed mechanically by locking devices such as Velcro, snaps, or bolts. When installing the opening and closing insulating protective sleeve, the operator needs to manually insert the cable into the sleeve at close range, or operate it with simple tools. The sleeve is wrapped around the exposed joint of the cable for a long time, providing basic insulation protection. When it is necessary to install a shunt clamp or grounding device, the operator still needs to manually open the sleeve, operate it, and then manually close it again.

[0004] However, at exposed cable joints, any close-range "manual opening of the sheath" operation means that the operator must come into close contact with equipment that may be energized or have induced electricity. In complex field environments, this step constitutes the main risk point for electric shock. Summary of the Invention

[0005] This invention provides a cable insulation protective sleeve system and installation method, aiming to solve the problem of high installation risk of existing insulation sleeves.

[0006] The first aspect of the present invention provides a cable insulation protective sleeve system for mounting on a cable, comprising:

[0007] Two closable positioning sleeves are provided, both of which are fixedly fitted over the insulation of the cable. The two positioning sleeves are located on opposite sides of the exposed portion of the cable, and each positioning sleeve forms an annular channel with the cable.

[0008] An openable insulating protective sleeve is slidably fitted over the insulation of the cable and is slidably installed within at least one of the annular channels.

[0009] The traction mechanism includes a traction body and a driving component. One end of the traction body is detachably connected to the insulating protective sleeve, and the other end of the traction body is fixedly connected to the driving component. The driving component is used to drive the insulating protective sleeve to slide between the two annular channels to expose or cover the exposed part of the cable.

[0010] In some embodiments of the first aspect, the cable insulation protective sleeve system further includes at least two openable elastic rings;

[0011] The two elastic rings are coaxially connected and fixed to the two positioning sleeves respectively. The inner diameter of the elastic ring matches the outer diameter of the insulating protective sleeve, and the inner diameter of the elastic ring is smaller than the inner diameter of the positioning sleeve.

[0012] At least two protruding components are provided on the outer wall of the insulating protective sleeve. Along the axial direction of the insulating protective sleeve, the two protruding components are respectively located on both sides of the connection between the traction body and the insulating protective sleeve. The elastic ring is provided on the sliding trajectory of the protruding component. Both protruding components are located on the side of the elastic ring near the exposed part of the cable. The protruding components are used to interfere with the elastic ring.

[0013] In some embodiments of the first aspect, the protrusion assembly includes a plurality of self-locking protrusions, the plurality of self-locking protrusions being evenly arranged circumferentially around the axis of the insulating protective sleeve.

[0014] In some embodiments of the first aspect, the elastic ring is fixed to the end face of the positioning sleeve near the exposed portion of the cable.

[0015] In some embodiments of the first aspect, when the insulating protective sleeve securely covers the exposed portion of the cable, both ends of the insulating protective sleeve are respectively located within two positioning sleeves.

[0016] In some embodiments of the first aspect, the outer wall of the insulating protective sleeve is provided with at least two lugs, the two lugs being evenly arranged around the axis of the insulating protective sleeve, and each lug being provided with an ear through hole;

[0017] The traction body includes two traction hooks, which can be pulled out and hooked into the two ear holes respectively.

[0018] In some embodiments of the first aspect, the lug is fixed to the side of the insulating protective sleeve near the exposed portion of the cable.

[0019] In some embodiments of the first aspect, the positioning sleeve includes two positioning half-tubes and a positioning locking element;

[0020] The inner wall of the positioning half tube is provided with coaxially arranged semi-annular flanges. When the two positioning half tubes are connected, the two semi-annular flanges clamp the cable. A gap is left between the inner wall of the positioning half tube and the insulation of the cable to form the annular channel.

[0021] The two positioning half-tubes are connected to form the positioning sleeve by the positioning locking member.

[0022] In some embodiments of the first aspect, the drive element includes an insulating sleeve, an insulating rod, a gear, and a rack;

[0023] The outer wall of the insulating sleeve is provided with two openings arranged opposite to each other;

[0024] One end of the insulating rod extends into the insulating sleeve, and the other end of the insulating rod is located outside the insulating sleeve;

[0025] The gear is arranged coaxially with the insulating rod, the gear is keyed to the insulating rod, and the gear is rotatably mounted on the insulating sleeve;

[0026] The rack is slidably mounted on the two openings, the rack meshes with the gear, and the rack is fixedly connected to the traction body.

[0027] A second aspect of the present invention provides an installation method, including the cable insulation protective sleeve system described in the first aspect, comprising the following steps:

[0028] An insulating protective sleeve is slidably mounted on the cable insulation sheath, and two positioning sleeves are fixedly mounted on the cable insulation sheath, wherein the two positioning sleeves are respectively located at both ends of the exposed portion of the cable.

[0029] Connect the traction body to the insulating protective sleeve;

[0030] The insulating protective sleeve is slid by a driving component to expose or cover the exposed parts of the cable.

[0031] As can be seen from the above technical solutions, the present invention has the following advantages:

[0032] This embodiment provides a cable insulation protective sleeve system and installation method, including two positioning sleeves, an insulation protective sleeve, and a traction mechanism. During installation, the insulation protective sleeve is slidably fitted over the cable's insulation sheath, and the two positioning sleeves are fixedly fitted on opposite sides of the exposed portion of the cable. Then, the operator connects the traction body to the insulation protective sleeve and operates the drive mechanism on the ground to slide the insulation protective sleeve between two annular channels to expose or cover the exposed portion of the cable. Throughout the process, the operator does not need to manually open or close the sleeve near the exposed portion of the cable, greatly reducing the risk of electric shock. Furthermore, remote operation from several meters away can be achieved through the drive mechanism, completely avoiding close contact between personnel and the exposed portion of the cable. This fundamentally changes the operation mode and safety paradigm of the insulation sleeve, achieving a leap from a "purely manual tool" to a "remotely controlled mechanism," effectively reducing the risk of electric shock and improving safety. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 A schematic diagram of the overall structure of a cable insulation protection sleeve system installed on a cable, as provided in the first aspect of the present invention. Figure 1 ;

[0035] Figure 2 A schematic diagram of the overall structure of a cable insulation protection sleeve system installed on a cable, as provided in the first aspect of the present invention. Figure 2 ;

[0036] Figure 3 This is a schematic cross-sectional view of the overall structure of the cable insulation protection sleeve system provided in the first aspect of the present invention, installed on a cable;

[0037] Figure 4 This is a schematic cross-sectional view of the overall structure of the traction mechanism provided in the first aspect of the present invention.

[0038] Figure label:

[0039] Positioning sleeve 1; Positioning half-tube 10;

[0040] Insulating protective sleeve 2; protruding assembly 20; self-locking protrusion 200; lug 21; lug hole 210; insulating protective half tube 22;

[0041] Traction mechanism 3; traction body 30; traction hook 300; driving component 31; insulating sleeve 310; insulating rod 311; gear 312; rack 313;

[0042] Elastic coil 4;

[0043] Cable a; insulation a1; exposed area a2. Detailed Implementation

[0044] This invention provides a cable insulation protective sleeve system and installation method to solve the technical problem of high installation risk of existing insulation sleeves.

[0045] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0046] Please see Figures 1 to 4 The first aspect of the present invention provides a cable insulation protection sleeve system, comprising:

[0047] Two opening and closing positioning sleeves 1 are fixedly fitted outside the insulation sheath a1 of cable a. The two positioning sleeves 1 are located on opposite sides of the exposed part a2 of cable a, and each positioning sleeve 1 forms an annular channel with cable a.

[0048] An openable insulating protective sleeve 2 is slidably fitted over the insulation sheath a1 of cable a and is slidably installed in at least one annular channel.

[0049] The traction mechanism 3 includes a traction body 30 and a drive member 31. One end of the traction body 30 is detachably connected to the insulating protective sleeve 2, and the other end of the traction body 30 is fixedly connected to the drive member 31. The drive member 31 is used to drive the insulating protective sleeve 2 to slide between two annular channels to expose or cover the exposed part a2 of the cable a.

[0050] Among them, positioning sleeve 1 and insulating protective sleeve 2 are both openable and closable tubes. The openable and closable tube is formed by connecting two half tubes through a connector to form a complete tube body or by separating two half tubes. That is, when the openable and closable tube is opened, the two half tubes are separated. When the openable and closable tube is closed, the two half tubes are connected to form a complete tube body. This type of openable and closable tube can be sleeved on the outside of cable a to achieve various maintenance without damaging cable a.

[0051] During the installation process of this embodiment, the operator opens the closable insulating protective sleeve 2, places the insulating protective sleeve 2 on the position where the cable a has insulation a1, and closes the insulating protective sleeve 2 so that it can slide outside the insulation a1 of the cable a; then, the operator opens the two positioning sleeves 1 and places them on the position where the cable a has insulation a1, wherein the two positioning sleeves 1 are respectively located on opposite sides of the exposed part a2 of the cable a, and then closes the two positioning sleeves 1 to fix them on the cable a; then, the insulating protective sleeve 2 is connected to the traction body 30, and the driving member 31 is used to drive the insulating protective sleeve 2 to move and cover the exposed part a2 of the cable a.

[0052] During maintenance in this embodiment, if the operator needs to install a shunt clamp or grounding device, the operator operates the drive unit 31 on the ground and uses the drive unit 31 to move the insulating protective sleeve 2 to open the exposed part a2 of the cable a, and then installs the shunt clamp or grounding device.

[0053] As can be seen from the above installation and maintenance process, compared with the traditional installation process, the advantages of this embodiment are as follows: First, it is highly safe. In this embodiment, the operator does not need to manually open or close the sheath at the exposed point a2 of cable a, which greatly reduces the risk of electric shock. Moreover, it can be remotely operated from several meters away through the drive component 31, completely avoiding personnel close contact with the exposed point a2 of cable a. This completely changes the operation mode and safety paradigm of the insulation sheath, realizing the leap from "purely manual tool" to "remote control mechanism", effectively reducing the risk of electric shock and improving safety. In addition, it can reduce climbing during the maintenance process, save manual labor, and reduce secondary safety hazards such as falls from heights and mechanical injuries. Second, it is highly reliable. In emergency scenarios such as fault repair, the time spent waiting for personnel to operate and transfer is extremely high in traditional power outage and restoration operations. This inefficient operation and maintenance mode directly delays the time for fault isolation and power restoration, which cannot meet the high requirements of modern power grids for power supply reliability. In this embodiment, the drive component 31 drives the insulation protective sleeve 2 to move and open the exposed point a2 of cable a, and then the shunt clamp or grounding device is installed.

[0054] In one specific embodiment, such as Figures 1 to 3As shown, in order to improve the self-locking capability of the insulating protective sleeve 2, the cable insulating protective sleeve system also includes at least two openable elastic rings 4; the two elastic rings 4 are coaxially connected and fixed to the two positioning sleeves 1 respectively, and the inner diameter of the elastic ring 4 matches the outer diameter of the insulating protective sleeve 2, that is, an elastic sealing structure can be formed between the elastic ring 4 and the insulating protective sleeve 2, and the inner diameter of the elastic ring 4 is smaller than the inner diameter of the positioning sleeve 1; at least two protruding components 20 are also provided on the outer wall of the insulating protective sleeve 2. Along the axial direction of the insulating protective sleeve 2, the two protruding components 20 are located on both sides of the connection between the traction body 30 and the insulating protective sleeve 2, and the elastic ring 4 is provided on the sliding trajectory of the protruding component 20. Both protruding components 20 are located on the side of the elastic ring 4 near the exposed part a2 of the cable a, and the protruding component 20 is used for interference fit with the elastic ring 4.

[0055] In a specific implementation of this embodiment, for example, when changing from the state of the exposed part a2 of the exposed cable a to the state of the exposed part a2 of the cable a being covered, the insulating protective sleeve 2 from Figure 1 Right side positioning sleeve 1 Figure 1 The positioning sleeve 1 on the left moves in one direction. When one end of the insulating protective sleeve 2 moves into the positioning sleeve 1, the outer wall of the insulating protective sleeve... Figure 1 The protruding component 20 on the left will gradually move closer Figure 1 When the protruding component 20 contacts the elastic ring 4 of the positioning sleeve 1 on the left, a certain interference will be generated. As the protruding component 20 continues to move towards the other positioning sleeve 1, the elastic ring 4 will undergo stronger elastic deformation and tightly wrap around the protruding component 20, so that the insulating protective sleeve 2 is fixed on the other positioning sleeve 1, keeping the exposed part a2 of cable a covered unchanged. See Figure 2 This effectively prevents the insulating protective sleeve 2 from accidentally sliding or falling off the cable a, thus changing its working position and state. When transitioning from the exposed portion a2 state of the covered cable a to the exposed portion a2 state of the exposed cable a, unlocking is only required by reversing the movement of the insulating protective sleeve. Figure 2 The positioning sleeve 1 on the left side moves to Figure 2 As the protruding component 20 moves in the opposite direction, the contact between the positioning sleeve 1 on the right side and the protruding component 20 decreases, and the elastic ring 4 will elastically reset, also pushing the insulating protective sleeve to move in the opposite direction until the insulating protective sleeve moves in the opposite direction until... Figure 2 The protruding component 20 on the right side will gradually Figure 2 The positioning sleeve 1 on the right side is close to the elastic ring 4 until it is fixed by an interference fit, thereby keeping the exposed part a2 of cable a outwardly exposed. See Figure 1 .

[0056] Understandably, the cooperation between the protruding component 20 and the elastic ring 4 forms a mechanical self-locking mechanism, ensuring that the current working position of the insulating protective sleeve remains unchanged. This effectively prevents the sleeve from being accidentally opened due to vibration or gravity, and avoids the situation where the exposed part a2 of cable a switches between a covered state and an exposed state. This ensures that the sleeve will not move accidentally due to external forces such as gravity, equipment vibration, or wind during operation, providing inherent safety and reliability.

[0057] In one embodiment, such as Figures 1 to 3 As shown, the elastic ring 4 is fixed to the end face of the positioning sleeve 1 near the exposed part a2 of the cable a. In specific implementation, the elastic ring 4 fixed to the end face of the positioning sleeve 1 can more directly cooperate with the protruding component 20 on the outer wall of the insulating protective sleeve 2. When the protruding component 20 is close, it can quickly generate elastic deformation and tightly wrap the protruding component 20, achieving a fast and stable self-locking effect. At the same time, it can also more smoothly elastically reset when unlocking, pushing the insulating protective sleeve to move in the opposite direction, improving the convenience of unlocking. Moreover, the elastic ring 4 is fixed at the end, which is easy to install and maintain, reducing the cost of the entire cable insulating protective sleeve system.

[0058] In this embodiment, the end of the positioning sleeve 1 is provided with multiple positioning mounting holes. The elastic ring 4 is fixed to the end of the positioning sleeve 1 by a perforated positioning end ring. Specifically, the perforated positioning end ring, the elastic ring 4 and the positioning sleeve 1 are passed through the connector in sequence. One end of the connector is finally fixed in the positioning mounting hole, and the other end of the connector is fixed outside the perforated positioning end ring, thereby fixing the elastic ring 4 to the end face of the positioning sleeve 1.

[0059] Based on the above embodiments, such as Figure 3 As shown, in this embodiment, in order to improve the sealing performance, a feasible structure of insulating protective sleeve 2 and positioning sleeve 1 is further provided. When the insulating protective sleeve 2 is fixedly wrapped around the exposed part a2 of cable a, that is, when the insulating protective sleeve 2 is wrapped around the exposed part a2 of cable a, and the protruding component 20 of the insulating protective sleeve 2 is interference-fitted with the elastic ring 4, the two ends of the insulating protective sleeve 2 are respectively located in the two positioning sleeves 1. In specific implementation, when the insulating protective sleeve 2 is wrapped around the exposed part a2 of cable a, and the insulating anti-slip sleeve is fixed on one of the positioning sleeves 1, both ends of the insulating anti-slip sleeve are located in the positioning sleeve 1. With the elastic ring 4 at the end of the positioning sleeve 1, a good sealing state can be achieved, reducing the possibility of water and dust entering the exposed part a2 of cable a.

[0060] It is understandable that the arrangement of the insulating protective sleeve 2 and the two positioning sleeves 1, as well as the interference fit between the protruding component 20 and the elastic ring 4, forms a complete sealing structure, which has a higher protection level than the traditional longitudinal opening and closing sleeve.

[0061] In one embodiment, such as Figures 1 to 3 As shown, a feasible structure for the protrusion assembly 20 is further provided. The protrusion assembly 20 includes multiple self-locking protrusions 200, which are evenly arranged around the axis of the insulating protective sleeve 2. In specific implementation, the multiple self-locking protrusions 200 are evenly arranged around the axis of the insulating protective sleeve 2, so that when the elastic ring 4 cooperates with the protrusion assembly 20, the multiple self-locking protrusions 200 can exert forces on the elastic ring 4 from multiple directions simultaneously, further enhancing the stability and reliability of self-locking. No matter which direction the insulating protective sleeve 2 is subjected to external force, the self-locking protrusions 200 can fit tightly with the elastic ring 4, effectively preventing the sleeve from opening accidentally. Moreover, the evenly arranged self-locking protrusions 200 can also make the stress distribution more uniform, avoid damage caused by local stress concentration, and extend the service life of the entire cable insulation protective sleeve system.

[0062] In this embodiment, as Figures 1 to 3 As shown, both protruding components 20 are located on the outer wall of the insulating protective sleeve 2 near the end of the insulating protective sleeve 2. In specific implementation, the protruding components 20 are located close to the end of the insulating protective sleeve 2, which can shorten the length of the insulating protective sleeve 2. The length of the insulating protective sleeve 2 only needs to be slightly greater than the length of the exposed part a2 of the cable a, so that the insulating protective sleeve 2 can be fixed after being inserted into another positioning sleeve 1 for a certain length, which is convenient for installation, locking and unlocking.

[0063] In one embodiment, such as Figures 1 to 3 As shown, a feasible structure for the insulating protective sleeve 2 is further provided. The insulating protective sleeve 2 includes two insulating protective half-tubes 22 and an insulating protective locking component. Specifically, the insulating protective locking component can be a bolt, that is, both insulating protective half-tubes 22 have corresponding through holes for the bolt to pass through. Of course, the positioning locking component can also be a clamp, a buckle, etc. The insulating protective sleeve 2 is made of polycarbonate (PC) material, which has high strength, high transparency and high heat resistance. In specific implementation, the two insulating protective half-tubes 22 are placed on both sides of the cable a, and then the positioning locking component, such as a bolt, is used to pass through the corresponding through holes pre-opened on the two positioning half-tubes 10 and is fastened with a nut, or the two insulating protective half-tubes 22 are firmly connected together using a clamp, a buckle, etc., to form a complete insulating protective sleeve 2.

[0064] In one specific embodiment, such as Figures 1 to 3As shown, a feasible structure for detachable connection between the traction body 30 and the insulating protective sleeve 2 is further provided. The outer wall of the insulating protective sleeve 2 is provided with at least two lugs 21, which are evenly arranged around the axis of the insulating protective sleeve 2. Each lug 21 is provided with an ear hole 210. The traction body 30 includes two traction hooks 300, which are removably hooked into the two ear holes 210. In specific implementation, the traction body 300 is hooked into the two ear holes 210 respectively, which realizes the detachable connection between the traction body 30 and the insulating protective sleeve 2. When disassembly is required, the traction hooks 300 can be pulled out from the ear holes 210, which is convenient and quick. Moreover, the evenly arranged lugs 21 can make the traction of the traction hooks 300 more uniform, and the movement of the insulating protective sleeve 2 more controlled, avoiding the problem of the insulating protective sleeve 2 getting stuck on the cable a due to uneven force.

[0065] It should be noted that when this embodiment is used, the height of the cable a being operated is about 3 meters. When the operator needs to install the shunt clamp or grounding device, when the operator operates the traction body 30 on the ground, the operator can hang the traction hook 300 on the ear hole 210 of the lug 21 by visual inspection or with the help of the drone's perspective, thereby providing a connection basis for the movement of the insulating protective sleeve.

[0066] In one embodiment, such as Figures 1 to 3 As shown, the lug 21 is fixed on the side of the insulating protective sleeve 2 near the exposed part a2 of the cable a. In specific implementation, setting the lug 21 on the side of the insulating protective sleeve 2 near the exposed part a2 of the cable a can more effectively position and pull the insulating protective sleeve 2. That is, when the pulling body 30 applies force to the insulating protective sleeve 2 through the lug 21, the force transmission is more direct and precise, so that the insulating protective sleeve 2 can be inserted into another positioning sleeve 1 and fixed more smoothly, which further improves the efficiency and accuracy of installation, and also enhances the stability of the entire cable insulating protective sleeve system after installation.

[0067] In one specific embodiment, such as Figures 1 to 3As shown, a feasible structure for the positioning sleeve 1 is further provided. The positioning sleeve 1 includes two positioning half-tubes 10 and a positioning locking member. The inner wall of the positioning half-tube 10 is provided with coaxially arranged semi-annular flanges. When the two positioning half-tubes 10 are connected, the two semi-annular flanges clamp the cable a. A gap is left between the inner wall of the positioning half-tube 10 and the insulation a1 of the cable a to form an annular channel. That is, when the two positioning half-tubes 10 are connected together, an annular channel is formed between the inner walls of the two positioning half-tubes 10 and the cable a (the inner wall other than the semi-annular flanges). The two positioning half-tubes 10 are connected to form the positioning sleeve 1 by the positioning locking member. The locking component can be a bolt, that is, both positioning half-tubes 10 have corresponding through holes for the bolt to pass through. Of course, the positioning locking component can also be a clamp, a buckle, etc. In specific implementation, the two positioning half-tubes 10 are placed on both sides of the cable a, ensuring that the two semi-ring flanges are accurately aligned with the position of the cable a. Then, the positioning locking component, such as a bolt, is passed through the corresponding through holes pre-drilled on the two positioning half-tubes 10 and tightened with a nut. Alternatively, a clamp, a buckle, etc., can be used to firmly connect the two positioning half-tubes 10 together to form a complete positioning sleeve 1. At this time, the two semi-ring flanges will tightly clamp the cable a.

[0068] In one embodiment, along the axial direction of the insulating protective sleeve 2, at least one annular channel has a length greater than half the axial length of the insulating protective sleeve 2, that is, Figure 3 The length of the annular channel of the positioning sleeve 1 on the right is greater than half the axial length of the insulating protective sleeve 2. In practice, when the insulating protective sleeve 2 slides, the longer annular channel is also conducive to the relative movement of cable a within it.

[0069] In one specific embodiment, such as Figure 4As shown, a feasible structure for the drive component 31 is further provided. The drive component 31 includes an insulating sleeve 310, an insulating rod 311, a gear 312, and a rack 313. Two opposing openings are provided on the outer wall of the insulating sleeve 310. One end of the insulating rod 311 extends into the insulating sleeve 310, and the other end of the insulating rod 311 is located outside the insulating sleeve 310. The gear 312 is coaxially arranged with the insulating rod 311 and is keyed to the insulating rod 311. The gear 312 is rotatably mounted on the insulating sleeve 310. The rack 313 is slidably mounted on the two openings and meshes with the gear 312. 3. The rack 313 is connected and fixed to the traction body 30. The stroke of the rack 313 meets the requirements of the insulating protective sleeve 2 from fully closed to fully open. In specific implementation, the operator holds the insulating sleeve 310 and the insulating rod 311. By rotating the insulating rod 311, the gear 312, which is fixed to the same axis as it, will rotate. Since the gear 312 is meshed with the rack 313, the rotation of the gear 312 will drive the rack 313 to slide on the two openings of the insulating sleeve 310. The rack 313 is also connected and fixed to the traction body 30. Therefore, the sliding of the rack 313 will drive the traction body 30 to move, thereby driving the insulating protective sleeve 2 to slide.

[0070] Understandably, the drive unit 31 uses a gear 312 and rack 313 transmission mechanism to amplify the operating torque, making the opening and closing of the insulating protective sleeve 2 easier and more convenient. The mechanical self-locking device ensures that the sleeve remains stable in a vibration environment, avoiding the problem of easy aging and failure of traditional Velcro / fasteners.

[0071] In this embodiment, the insulating rod 311 is made of high-strength carbon fiber reinforced composite material. Specifically, addressing the issues of bulkiness and easy aging of traditional insulating operating rods, the insulating rod 311 of this system is made of carbon fiber reinforced plastics (CFRP). The carbon fiber drive rod is more than 40% lighter than the traditional epoxy rod, and is corrosion-resistant, fatigue-resistant, and has a significantly improved service life. This material is prepared using a precision winding and molding curing method, which is particularly suitable for manufacturing tubular and rod-shaped high-performance composite material parts. First, T800 carbon fiber is uniformly impregnated with the modified epoxy resin in a glue tank to make a prepreg. The prepreg is then precisely wound onto the mandrel on a CNC fiber winding machine according to a preset specific layup sequence and tension. Different layers provide axial strength and torsional stiffness, respectively. The wound blank is placed into a high-strength steel mold, the mold is closed, and then the mold is placed in a hot press for stepped temperature curing. The temperature is increased from room temperature to 120°C at a rate of 2°C / min, and 0.7 MPa is applied. The resin is initially gelled by applying pressure and holding it at a high temperature for 30 minutes. The temperature is then increased to 180°C, and the pressure is increased to 1.0 MPa, held for 2 hours to fully cure the resin. The resin is then demolded after cooling to below 60°C. The demolded CFRP rod blank is then machined by CNC machine tools to achieve the final dimensions and connection structure precision. Using a layered design and modified thermosetting resin matrix, carbon fiber composite materials achieve significant weight reduction while obtaining strength, fatigue life, and corrosion resistance comparable to traditional metal materials through compression molding. The principle and advantages are: carbon fiber materials have extremely high specific strength and specific modulus. While ensuring the same insulation strength and mechanical strength (bending and torsional resistance), the weight can be reduced by more than 40% compared to traditional epoxy fiberglass rods, greatly reducing the labor intensity of operators; at the same time, carbon fiber materials have excellent corrosion resistance and fatigue resistance, resulting in a longer service life.

[0072] Understandably, the high insulation performance of the insulating rod 311 is the foundation for ensuring the safe isolation of operators from high-voltage equipment. Operators can remotely input torque into the system by rotating this rod within a safe area on the ground. The end of the insulating rod 311 is reliably connected to the internal transverse rack 313 through a specially designed gear 312, ensuring that the rotational motion can be efficiently transmitted to the next stage of transmission components without slippage or loss. This is the primary condition for achieving precise control.

[0073] A second aspect of the present invention provides an installation method comprising the cable insulation protective sleeve system of any one of the first aspects, comprising the following steps:

[0074] The insulating protective sleeve 2 is slidably installed on the insulation sheath a1 of the cable a, and the two positioning sleeves 1 are fixedly installed on the insulation sheath a1 of the cable a, wherein the two positioning sleeves 1 are respectively located at both ends of the exposed part a2 of the cable a.

[0075] Connect the traction body 30 to the insulating protective sleeve 2;

[0076] The driving component 31 is used to drive the insulating protective sleeve 2 to slide, so as to expose or cover the exposed part a2 of the cable a.

[0077] In the installation method of this embodiment, the operator does not need to manually open or close the sheath at the exposed part a2 of cable a during the entire installation process, which greatly reduces the risk of electric shock. Moreover, remote operation from several meters away can be achieved through the drive component 31, completely avoiding close contact between personnel and the exposed part a2 of cable a, reducing the risk of electric shock and improving safety.

[0078] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0079] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

[0080] Finally, it should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. A cable insulation protection sleeve system, characterized in that, For mounting on cables, including: Two closable positioning sleeves are provided, both of which are fixedly fitted over the insulation of the cable. The two positioning sleeves are located on opposite sides of the exposed portion of the cable, and each positioning sleeve forms an annular channel with the cable. An openable insulating protective sleeve is slidably fitted over the insulation of the cable and is slidably installed within at least one of the annular channels. The traction mechanism includes a traction body and a driving component. One end of the traction body is detachably connected to the insulating protective sleeve, and the other end of the traction body is fixedly connected to the driving component. The driving component is used to drive the insulating protective sleeve to slide between the two annular channels to expose or cover the exposed part of the cable.

2. The cable insulation protective sleeve system according to claim 1, characterized in that, The cable insulation protective sleeve system also includes at least two openable elastic rings; The two elastic rings are coaxially connected and fixed to the two positioning sleeves respectively. The inner diameter of the elastic ring matches the outer diameter of the insulating protective sleeve, and the inner diameter of the elastic ring is smaller than the inner diameter of the positioning sleeve. At least two protruding components are provided on the outer wall of the insulating protective sleeve. Along the axial direction of the insulating protective sleeve, the two protruding components are respectively located on both sides of the connection between the traction body and the insulating protective sleeve. The elastic ring is provided on the sliding trajectory of the protruding component. Both protruding components are located on the side of the elastic ring near the exposed part of the cable. The protruding components are used to interfere with the elastic ring.

3. The cable insulation protective sleeve system according to claim 2, characterized in that, The protrusion assembly includes multiple self-locking protrusions, which are evenly arranged circumferentially around the axis of the insulating protective sleeve.

4. The cable insulation protection sleeve system according to claim 2, characterized in that, The elastic ring is fixed to the end face of the positioning sleeve near the exposed part of the cable.

5. The cable insulation protective sleeve system according to claim 4, characterized in that, When the insulating protective sleeve is fixedly wrapped around the exposed part of the cable, both ends of the insulating protective sleeve are respectively located inside the two positioning sleeves.

6. The cable insulation protective sleeve system according to claim 1, characterized in that, The outer wall of the insulating protective sleeve is provided with at least two lugs, which are evenly arranged around the axis of the insulating protective sleeve, and each lug is provided with an ear through hole. The traction body includes two traction hooks, which can be pulled out and hooked into the two ear holes respectively.

7. The cable insulation protective sleeve system according to claim 6, characterized in that, The lug is fixed to the side of the insulating protective sleeve near the exposed part of the cable.

8. The cable insulation protective sleeve system according to claim 1, characterized in that, The positioning sleeve includes two positioning half-tubes and a positioning locking element; The inner wall of the positioning half tube is provided with coaxially arranged semi-annular flanges. When the two positioning half tubes are connected, the two semi-annular flanges clamp the cable. A gap is left between the inner wall of the positioning half tube and the insulation of the cable to form the annular channel. The two positioning half-tubes are connected to form the positioning sleeve by the positioning locking member.

9. The cable insulation protective sleeve system according to claim 1, characterized in that, The driving component includes an insulating sleeve, an insulating rod, a gear, and a rack; The outer wall of the insulating sleeve is provided with two openings arranged opposite to each other; One end of the insulating rod extends into the insulating sleeve, and the other end of the insulating rod is located outside the insulating sleeve; The gear is arranged coaxially with the insulating rod, the gear is keyed to the insulating rod, and the gear is rotatably mounted on the insulating sleeve; The rack is slidably mounted on the two openings, the rack meshes with the gear, and the rack is fixedly connected to the traction body.

10. An installation method, characterized in that, The cable insulation protective sleeve system according to any one of claims 1 to 9 includes the following steps: An insulating protective sleeve is slidably mounted on the cable insulation sheath, and two positioning sleeves are fixedly mounted on the cable insulation sheath, wherein the two positioning sleeves are respectively located at both ends of the exposed portion of the cable. Connect the traction body to the insulating protective sleeve; The insulating protective sleeve is slid by a driving component to expose or cover the exposed parts of the cable.

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