A power cable terminal tool

Abstract

The present invention discloses a tooling for power cable terminal, which belongs to the field of terminal blocks, including a base plate, a stud is rotatably connected to the lower part of the base plate, a driven gear is arranged on the stud, and a driving gear is connected to the lower end of a driving rod; a wiring sleeve is respectively arranged at both ends of the lower part of the base plate, a threaded sleeve is fixedly connected to the upper part of the wiring sleeve, at least one guide groove is arranged on one side of the wiring sleeve, a guide frame is slidably installed in the guide groove, an adjustment screw is threadedly connected to one end of the guide frame, and a first conductive contact is arranged at one end of the guide frame; a second conductive contact is arranged on the other side of the wiring sleeve; and a guide wire is also included, both ends of the guide wire are connected to a wire nose, and the wire nose is crimped on a conductive column. The present invention realizes the rapid wiring of cables, and is threadedly connected to the threaded sleeve by the stud, and when the stud rotates, the wiring sleeve is pushed or pulled closer or farther from each other, thereby realizing the adjustment of the length of the cable after connection.

Description

Technical Field

[0001] The invention belongs to the field of wiring terminals, and in particular relates to a tooling for wiring terminals of power cables. Background Art

[0002] In the power system, power cables are key components for transmitting electric energy, and their stability and reliability play a vital role in the operating efficiency and safety of the entire system. However, in actual application environments, power cables face many challenges from external factors, especially natural and human factors such as wind, temperature changes, and mechanical stress. These factors may cause wear, aging, and even breakage of cables, especially in cables laid over long distances outdoors. Such problems are particularly prominent, seriously affecting the continuity of the power system.

[0003] The traditional method of connecting power cables usually takes the following steps when facing a cable break: First, the operator uses a special tool to strip the insulation layer at both ends of the broken cable to expose the internal conductor; then, the two sections of the conductor are tightly connected by hand winding to restore the continuity of the electrical signal; finally, multiple layers of insulating tape are wrapped around the connection to ensure electrical insulation and prevent environmental factors such as moisture and dust from corroding the connection point. Although this method solves the connection problem after cable breakage to a certain extent, its inherent limitations limit its efficiency and reliability in practical applications.

[0004] On the one hand, manual winding and splicing is not only inefficient, but also difficult to accurately align the two ends of the broken wire and keep them in close contact due to the weight and hardness of the wire itself when dealing with large-diameter or heavy-duty cables, which increases the difficulty of splicing and the risk of failure. Especially for cables that need to be installed across a long distance, the difficulty of this manual operation is particularly obvious, and it is often necessary to use a large external force to tighten and fix the cable, which is not only time-consuming and labor-intensive, but may also cause further damage to the cable due to improper operation.

[0005] On the other hand, when the cable is broken and reconnected, the broken surface of the cable needs to be trimmed, which shortens the overall length of the cable and further increases the difficulty of cable connection. Summary of the invention

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a power cable terminal fixture, which reduces the difficulty of cable connection and improves the efficiency of cable connection.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is:

[0008] A tooling for a power cable terminal comprises a base plate, a stud is rotatably connected to the lower part of the base plate, a driven gear is arranged on the stud, a driving rod is rotatably connected to the middle part of the base plate, the lower end of the driving rod is connected to the driving gear, and the driving gear is meshed with the driven gear; a wiring sleeve is respectively provided at both ends of the lower part of the base plate, a threaded sleeve is fixedly connected to the upper part of the wiring sleeve, the two threaded sleeves are respectively threadedly connected to the two ends of the stud, at least one guide groove is provided on one side of the wiring sleeve, a guide frame is slidably installed in the guide groove, one end of the guide frame is threadedly connected to an adjusting screw, and the adjusting screw is movably connected to the wiring sleeve, and one end of the guide frame is provided with a first conductive contact; a second conductive contact is provided on the other side of the wiring sleeve, and a conductive column extending to the outside of the wiring sleeve is connected to one side of the second conductive contact; and a guide wire is also included, both ends of the guide wire are connected to wire noses, and the wire noses are crimped on the conductive column.

[0009] Furthermore, an anti-loosening device is provided on the outside of the driving rod, and the anti-loosening device includes a fixing seat fixedly installed on the upper part of the base plate, a support arm is installed on one side of the fixing seat, a shaft sleeve is provided at one end of the support arm, one end of the shaft sleeve is open, and a fastening bolt is threadedly connected to the open side of the shaft sleeve, and the shaft sleeve is sleeved on the outside of the driving rod.

[0010] Furthermore, the driving rod is evenly provided with a plurality of slots, and the shaft sleeve is provided with a plurality of evenly arranged locking teeth inside, and when the shaft sleeve tightly embraces the driving rod, the locking teeth are stuck in the slots.

[0011] Furthermore, a plurality of slots are provided at one end of the wiring sleeve away from the cable, an external thread is provided on one side of the slot, a crimping sleeve is provided at one end of the wiring sleeve, the crimping sleeve is threadedly connected to the external thread, and an inner tapered hole is provided at one end of the crimping sleeve.

[0012] Furthermore, the guide wire is spirally wound around the outside of the two wiring sleeves.

[0013] Furthermore, a rubber sleeve is provided at one end of the wiring sleeve, and a steel wire is provided in the rubber sleeve. After the cable is connected to the wiring sleeve, one end of the rubber sleeve is installed on one end of the wiring sleeve through a clamp.

[0014] Furthermore, both ends of the substrate are provided with a tensioning device, and the tensioning device includes a first lifting ring, a second lifting ring, a clamp and a basket screw. The first lifting ring is arranged at one end of the substrate, the clamp is installed on the cable and clamps the cable, the second lifting ring is installed on one side of the clamp, one end of the basket screw is connected to the first lifting ring, and the other end of the basket screw is connected to the second lifting ring.

[0015] Furthermore, a first sleeve is provided on one side of the substrate, and a second sleeve whose position is staggered with the first sleeve is provided on the other side of the substrate, and pins are provided inside the first sleeve and the second sleeve.

[0016] Furthermore, the first sleeve, the second sleeve and the pin shaft all adopt a regular polygonal structure.

[0017] The beneficial effects of the present invention are:

[0018] 1) The present invention realizes the rapid wiring of cables, and the stud is threadedly connected with the threaded sleeve. When the stud rotates, it pushes or pulls the wiring sleeves to move closer or farther away from each other, thereby realizing the adjustment of the length of the cable after connection.

[0019] 2) An anti-loosening device is set on the outside of the driving rod to prevent the driving rod from accidentally rotating under normal working conditions, ensuring the stability and reliability of the cable wiring. Even in harsh working environments or long-term use, it can effectively prevent the wiring from loosening or failing, thereby ensuring the normal operation of the power system.

[0020] 3) By arranging a crimping sleeve at one end of the wiring sleeve and arranging an inner tapered hole inside the crimping sleeve, during the tightening process of the crimping sleeve, the inner tapered hole uses its tapered structure to apply uniform and gradually increasing pressure to the end of the wiring sleeve. This pressure is transmitted to the cable through the end of the wiring sleeve, thereby realizing secondary clamping of the cable, further enhancing the stability and reliability of the connection between the cable and the wiring sleeve, thereby ensuring the firmness and safety of the entire wiring process.

[0021] 4) Spirally winding the guide wire around the outside of the two wiring sleeves not only realizes tool-free wiring of the guide wire, eliminates the use of traditional wiring tools, reduces the complexity of operation, but also makes the layout of the guide wire neater and more orderly; more importantly, the spirally wound guide wire also has the ability to automatically adapt to changes in the distance of the wiring sleeves.

[0022] 5) A rubber sleeve containing steel wire is set at the front end of the wiring sleeve to prevent the cable from being bent at a large angle at one end of the wiring sleeve. This not only effectively protects the integrity of the cable and prevents cable damage or breakage caused by bending, but also extends the service life of the cable and terminal tooling.

[0023] 6) Wire tightening devices are provided at both ends of the base plate, which improves the flexibility and adaptability of cable wiring; in addition, the wire tightening device transfers the tension at the cable joint to the base plate, which is helpful to reduce the tension between the cable and the wiring sleeve, and prevents the cable from falling off the wiring sleeve.

[0024] 7) By setting a first sleeve on one side of the substrate and a second sleeve on the other side, and connecting adjacent terminal fixtures using a pin shaft, the needs of complex wiring scenarios are met; in addition, by designing the first sleeve, the second sleeve and the pin shaft as a regular polygon structure, a surrounding combination of the terminal fixture is achieved, and the stability after the combination is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The present invention is a schematic diagram of a power cable terminal fixture structure.

[0026] Figure 2 This is a schematic diagram of one side of the substrate.

[0027] Figure 3 This is a schematic diagram of the other side of the substrate.

[0028] Figure 4 This is an exploded view of the drive rod and anti-loosening device.

[0029] Figure 5 It is a schematic diagram of the tensioning device.

[0030] Figure 6 This is a schematic diagram of one side of the wiring sleeve.

[0031] Figure 7 This is a schematic diagram of the other side of the wiring sleeve.

[0032] Figure 8 It is an exploded view of the wiring sleeve and the crimping sleeve in the present invention.

[0033] Fig. 9 It is a cross-sectional view of the wiring sleeve and the crimping sleeve.

[0034] Fig.10 It is a combined use state diagram of the present invention.

[0035] Fig.11 It is another combination use state diagram of the present invention.

[0036] In the figure, 1, base plate; 11, stud; 12, driven gear; 13, first sleeve; 14, second sleeve; 15, pin; 16, first lifting ring; 17, driving rod; 18, driving gear; 19, slot; 2, anti-loosening device; 21, fixing seat; 22, support arm; 23, bushing; 24, clamping tooth; 25, fastening bolt; 3, wiring sleeve; 31, threaded sleeve; 32, guide groove; 33, guide frame; 34, first conductive contact; 35, adjusting screw; 36, second conductive contact; 37, conductive column; 38, external thread; 39, slot; 4, wire pressing sleeve; 41, inner cone hole; 5, guide wire; 51, wire nose; 6, rubber sleeve; 61, clamp; 7, wire tightening device; 71, basket screw; 72, clamp; 73, second lifting ring; 8, cable. DETAILED DESCRIPTION

[0037] The following will be combined with the attached Figure 1-Figure 11 , the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] like Figure 1-Figure 3 As shown, a power cable terminal fixture comprises a base plate 1, a stud 11 is rotatably connected to the lower part of the base plate 1, a driven gear 12 is arranged on the stud 11, and a driving rod 17 is rotatably connected to the middle part of the base plate 1. Figure 4 As shown, the lower end of the driving rod 17 is connected to a driving gear 18, and the driving gear 18 is meshed with the driven gear 12; a wiring sleeve 3 is provided at each end of the lower part of the base plate 1, as shown in FIG. Figure 6 As shown, the upper part of the wiring sleeve 3 is fixedly connected with a threaded sleeve 31, and the two threaded sleeves 31 are respectively threadedly connected with the two ends of the stud 11, as shown in FIG. Fig. 9 As shown, at least one guide groove 32 is provided on one side of the wiring sleeve 3. In the present embodiment, two guide grooves 32 are provided. In other embodiments, the guide grooves 32 can be set to different numbers according to factors such as the diameter of the cable 8; a guide frame 33 is slidably installed in the guide groove 32, and an adjusting screw 35 is threadedly connected to one end of the guide frame 33, and the adjusting screw 35 is movably connected to the wiring sleeve 3, and a first conductive contact piece 34 is provided at one end of the guide frame 33; a second conductive contact piece 36 is provided on the other side of the wiring sleeve 3, and a conductive column 37 extending to the outside of the wiring sleeve 3 is connected to one side of the second conductive contact piece 36; and a guide wire 5 is also included, such as Figure 7 As shown, both ends of the guide wire 5 are connected to wire noses 51 , and the wire noses 51 are crimped onto the conductive pillars 37 .

[0040] Through the above technical solution, after the insulation skin of the broken cable 8 is stripped off, the conductor is inserted into the wiring sleeve 3. When the adjusting screw 35 is tightened, the guide frame 33 will move along the guide groove 32 toward the inside of the wiring sleeve 3, thereby pushing the first conductive contact piece 34 to approach the second conductive contact piece 36 and clamp the conductor of the cable. The guide wire 5 is used to conduct the cables on both sides, thereby realizing rapid wiring of the cables. This wiring method is not only simple and fast to operate, but also greatly improves the wiring efficiency and reliability.

[0041] In addition, by setting up a stud 11 and a gear transmission system, when the cable 8 is connected, the stud 11 is driven to rotate by rotating the drive rod 17; since the two ends of the stud 11 are respectively threadedly connected to the two threaded sleeves 31, when the stud 11 rotates, it pushes or pulls the wiring sleeves 3 closer or farther away from each other, thereby realizing the adjustment of the length of the cable after connection and reducing the difficulty of cable wiring.

[0042] like Figure 4 As shown, the outside of the driving rod 17 is provided with an anti-loosening device 2, and the anti-loosening device includes a fixing seat 21 fixedly installed on the upper part of the base plate 1, and a support arm 22 is installed on one side of the fixing seat 21. One end of the support arm 22 is provided with a sleeve 23, and one end of the sleeve 23 is open. The open side of the sleeve 23 is threadedly connected with a fastening bolt 25, and the sleeve 23 is sleeved on the outside of the driving rod 17.

[0043] Through the above technical solution, when the distance between the wiring sleeves 3 on both sides of the substrate 1 is adjusted, the fastening bolts 25 are loosened to separate the shaft sleeve 23 from the driving rod 17, thereby reducing the resistance to the rotation of the driving rod 17; when the distance between the wiring sleeves 3 on both sides is adjusted, the fastening bolts 25 are tightened, and as the fastening bolts 25 rotate, the shaft sleeve 23 will gradually hold the driving rod 17 until a predetermined degree of fastening is reached; at this time, the friction between the shaft sleeve 23 and the driving rod 17 will be sufficient to prevent the driving rod 17 from accidentally rotating under normal working conditions, thereby ensuring the stability and reliability of the cable after wiring, and effectively preventing the wiring from loosening or failing even in harsh working environments or during long-term use, thereby ensuring the normal operation of the power system.

[0044] like Figure 4As shown, the driving rod 17 is evenly provided with a plurality of slots 19, which are rectangular, triangular or other shapes, and the shaft sleeve 23 is provided with a plurality of evenly arranged latch teeth 24. When the shaft sleeve 23 hugs the driving rod 17, the latch teeth 24 are stuck in the slots 19. At this time, a tight fit is formed between the latch teeth 24 and the slots 19, thereby effectively preventing the driving rod 17 from accidentally rotating under normal working conditions; the design of the slots 19 and the latch teeth 24 not only improves the stability of the anti-loosening device 2, but also enhances its reliability. Even in harsh working environments (such as cables swinging due to external forces such as wind) or during long-term use, the connection between the slots 19 and the latch teeth 24 can remain firm, thereby ensuring the wiring stability and safety of the power cable terminal fixture.

[0045] like Figure 8 , Fig. 9 As shown, the wiring sleeve 3 is provided with a plurality of slots 39 at one end away from the cable, and an external thread 38 is provided on one side of the slot 39. A crimping sleeve 4 is provided at one end of the wiring sleeve 3, and the crimping sleeve 4 is threadedly connected to the external thread 38. An inner tapered hole 41 is provided at one end of the crimping sleeve 4.

[0046] By providing the crimping sleeve 4, when wiring the cable, the conductor of the cable is inserted into the slot 39 of the wiring sleeve 3, and the crimping sleeve 4 and the wiring sleeve 3 are tightened. During the tightening process of the crimping sleeve 4, the inner tapered hole 41 uses its tapered structure to apply a uniform and gradually increasing pressure to the end of the wiring sleeve 3. This pressure is transmitted to the cable through the end of the wiring sleeve 3, thereby realizing secondary clamping of the cable, further enhancing the stability and reliability of the connection between the cable and the wiring sleeve 3, thereby ensuring the firmness and safety of the entire wiring process.

[0047] like Figure 6-Figure 7 As shown, the guide wire 5 is spirally wound around the outside of the two wiring sleeves 3, which not only realizes tool-free wire management of the guide wire 5, eliminates the use of traditional wire management tools, reduces the complexity of operation, but also makes the layout of the guide wire 5 neater and more orderly; more importantly, the spirally wound guide wire 5 also has the ability to automatically adapt to the distance change of the wiring sleeve 3. In practical applications, when the distance between the two wiring sleeves 3 changes (for example, by adjusting the drive rod 17 to tighten or loosen the cable), the spirally wound guide wire 5 can automatically stretch or shrink to adapt to the change in distance. This automatic adaptability ensures that the guide wire 5 can always remain taut, avoiding poor electrical connection or safety hazards caused by relaxation.

[0048] like Figure 6-Figure 7As shown, a rubber sleeve 6 is provided at one end of the wiring sleeve 3, and a steel wire (not shown in the figure) is provided inside the rubber sleeve 6. After the cable is connected to the wiring sleeve 3, one end of the rubber sleeve 6 is installed on one end of the wiring sleeve 3 through a clamp 61.

[0049] In order to further improve the reliability and safety of the terminal fixture, a rubber sleeve 6 is designed at one end of the wiring sleeve 3. The rubber sleeve 6 not only has excellent elasticity and wear resistance, but also has steel wire embedded inside, thereby greatly enhancing its structural strength and durability.

[0050] In actual applications, the steel wire structure inside the rubber sleeve 6 provides it with additional support and strength. Even when the cable 8 is pulled or bent by a large external force, the rubber sleeve 6 can maintain a stable shape through its internal steel wire structure, thereby preventing the cable from being bent at a large angle at one end of the wiring sleeve 3. This not only effectively protects the integrity of the cable and prevents cable damage or breakage caused by bending, but also extends the service life of the cable and the terminal tooling.

[0051] like Figure 2 , Figure 5 As shown, both ends of the substrate 1 are provided with a tensioning device 7, and the tensioning device 7 includes a first lifting ring 16, a second lifting ring 73, a clamp 72 and a basket screw 71. The first lifting ring 16 is arranged at one end of the substrate 1, and the clamp 72 is installed on the cable 8 and clamps the cable. The second lifting ring 73 is installed on one side of the clamp 72, and one end of the basket screw 71 is connected to the first lifting ring 16, and the other end of the basket screw 71 is connected to the second lifting ring 73.

[0052] After the cable 8 is connected, when the overall length after connection is greater than the original length of the cable, the tensioning device 7 is installed on the substrate 1 and the cable, and the basket screw 71 is turned to tighten the cables at both ends, thereby improving the flexibility and adaptability of the cable connection; in addition, the tensioning device 7 transfers the tension at the cable joint to the substrate 1, which is beneficial to reducing the tension between the cable and the wiring sleeve 3, and preventing the cable from falling off the wiring sleeve 3.

[0053] like Figure 2 As shown, a first sleeve 13 is provided on one side of the substrate 1 , and a second sleeve 14 staggered with the first sleeve 13 is provided on the other side of the substrate 1 . Pin shafts 15 are provided inside the first sleeve 13 and the second sleeve 14 .

[0054] In order to meet the needs of complex wiring scenarios, a first sleeve 13 is arranged on one side of the substrate 1, and a second sleeve 14 is arranged on the other side of the substrate 1, which is staggered with the first sleeve 13. This not only makes the sleeve layout on the substrate 1 more reasonable, but also makes it possible to use multiple terminal fixtures in combination. This combination greatly expands the application range of terminal fixtures, such as Fig.10 As shown, when it is necessary to handle the wiring task of multiple cables or a cable containing multiple wires, the operator can select an appropriate number of terminal block tools according to actual needs and combine them together through the pin 15. By reasonably arranging the position of the cables in the wiring sleeve 3, crossing and interference between the cables can be avoided, thereby improving the neatness and aesthetics of the entire wiring system.

[0055] Furthermore, the first sleeve 13, the second sleeve 14 and the pin 15 all adopt a regular polygonal structure.

[0056] like Fig.11 As shown, in order to adapt to various complex wiring environments, especially when the wiring space is limited, the regular polygonal structure of the first sleeve 13, the second sleeve 14 and the pin 15 realizes the surrounding combination of the terminal fixture and ensures the stability after the combination.

[0057] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the scope defined by the structure of the invention, they should all fall within the protection scope of the present invention.

Claims

1. A power cable terminal fixture, comprising a substrate (1), characterized in that: The lower part of the base plate (1) is rotatably connected to a stud bolt (11), a driven gear (12) is provided on the stud bolt (11), the middle part of the base plate (1) is rotatably connected to a driving rod (17), the lower end of the driving rod (17) is connected to a driving gear (18), and the driving gear (18) is meshed with the driven gear (12); a wiring sleeve (3) is respectively provided at both ends of the lower part of the base plate (1), a threaded sleeve (31) is fixedly connected to the upper part of the wiring sleeve (3), the two threaded sleeves (31) are respectively threadedly connected to the two ends of the stud bolt (11), and at least one side of the wiring sleeve (3) is provided with a guide groove ( 32), a guide frame (33) is slidably installed in the guide groove (32), one end of the guide frame (33) is threadedly connected with an adjusting screw (35), and the adjusting screw (35) is movably connected to the wiring sleeve (3), one end of the guide frame (33) is provided with a first conductive contact (34); the other side of the wiring sleeve (3) is provided with a second conductive contact (36), and one side of the second conductive contact (36) is connected to a conductive column (37) extending to the outside of the wiring sleeve (3); and also includes a guide wire (5), both ends of the guide wire (5) are connected to a wire nose (51), and the wire nose (51) is crimped onto the conductive column (37); The driving rod (17) is provided with an anti-loosening device (2) on the outside. The anti-loosening device (2) comprises a fixing seat (21) fixedly mounted on the upper part of the base plate (1). A support arm (22) is mounted on one side of the fixing seat (21). A shaft sleeve (23) is provided at one end of the support arm (22). One end of the shaft sleeve (23) is open. A fastening bolt (25) is threadedly connected to the open side of the shaft sleeve (23). The shaft sleeve (23) is sleeved on the outside of the driving rod (17). The driving rod (17) is evenly provided with a plurality of slots (19). The shaft sleeve (23) is provided with a plurality of evenly arranged teeth (24). The shaft sleeve (23) When the driving rod (17) is clamped, the clamping teeth (24) are clamped in the clamping groove (19); both ends of the base plate (1) are provided with a wire tightening device (7), the wire tightening device (7) comprises a first lifting ring (16), a second lifting ring (73), a clamping hoop (72) and a turnbuckle (71); the first lifting ring (16) is arranged at one end of the base plate (1); the clamping hoop (72) is installed on the cable and clamps the cable; the second lifting ring (73) is installed on one side of the clamping hoop (72); one end of the turnbuckle (71) is connected to the first lifting ring (16), and the other end of the turnbuckle (71) is connected to the second lifting ring (73).

2. A power cable terminal fixture according to claim 1, characterized in that: The wiring sleeve (3) is provided with a plurality of slots (39) at one end away from the cable (8), and an external thread (38) is provided on one side of the slot (39). A crimping sleeve (4) is provided at one end of the wiring sleeve (3), and the crimping sleeve (4) is threadedly connected to the external thread (38). An inner conical hole (41) is provided at one end of the crimping sleeve (4).

3. The power cable terminal fixture according to claim 1, characterized in that: The guide wire (5) is spirally wound around the outside of the two wiring sleeves (3).

4. The power cable terminal fixture according to claim 1, characterized in that: One end of the wiring sleeve (3) is provided with a rubber sleeve (6), and a steel wire is provided in the rubber sleeve (6). After the cable (8) is connected to the wiring sleeve (3), one end of the rubber sleeve (6) is installed on one end of the wiring sleeve (3) through a clamp (61).

5. A power cable terminal fixture according to any one of claims 1 to 4, characterized in that: A first sleeve (13) is provided on one side of the base plate (1), and a second sleeve (14) staggered with the first sleeve (13) is provided on the other side of the base plate (1), and pin shafts (15) are provided inside the first sleeve (13) and the second sleeve (14).

6. A power cable terminal fixture according to claim 5, characterized in that: The first sleeve (13), the second sleeve (14) and the pin shaft (15) all have a regular polygonal structure.

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