CN110203768B - Power optical cable connection fixing device - Google Patents

Abstract

The invention relates to the technical field of optical cable fixing, and is a connecting and fixing device for power optical cables, comprising an outer cylinder, an inner cylinder, a rotating platform, a driving bevel gear, a roller shaft, a connecting rod, a winding roller and a fixing component. Cylindrical, the outer cylinder is provided with an inner cylinder, the inner cylinder is cylindrical, the inner cylinder is provided with a rotating platform, the outer cylinder is provided with a driving device that can make the rotating platform rotate around its own axis, and the upper end of the rotating platform is fixed A drive bevel gear is installed. The invention has reasonable and compact structure and ingenious conception. Through the cooperation of the upper limit block and the limit groove, the winding roller can only rotate in one direction; through the cooperation of the arc splint and the clamping sleeve, the optical cable is prevented from being pulled by external forces; The assembly is convenient to seal the inner space of the outer cylinder, thereby achieving an effective rainproof effect, improving signal transmission, and having the characteristics of stability, safety and reliability.

Description

Power optical cable connection and fixing device

technical field

The invention relates to the technical field of optical cable fixing, in particular to a connecting and fixing device for power optical cables.

Background technique

Optical fiber cables are manufactured to meet optical, mechanical or environmental performance specifications. They are communication cable assemblies that utilize one or more optical fibers placed in a sheath as a transmission medium and can be used individually or in groups. Optical fiber (optical transmission carrier) is a cable formed by a certain process. The basic structure of optical cable is generally composed of cable core, reinforcing steel wire, filler and sheath. In addition, according to actual needs, due to the limited length of a single optical cable, when the connection distance is too long, multiple cables need to be connected end to end, that is, connected together. Using the traditional power optical cable fixing device has a single function and poor practicability, which is inconvenient for the connection and fixing of multiple optical cables connected together, and the connection is easy to loosen or disconnect, which cannot be used for model transmission. Water and tide also affect signal transmission.

SUMMARY OF THE INVENTION

The present invention provides a splicing and fixing device for a power optical cable, which overcomes the above-mentioned deficiencies of the prior art and can effectively solve the problem of loosening or disconnection of the optical cable splicing.

The technical scheme of the present invention is achieved by the following measures: a power optical cable splicing and fixing device, comprising an outer cylinder, an inner cylinder, a rotating platform, a driving bevel gear, a roller shaft, a connecting rod, a winding roller and a fixing assembly, The outer cylinder is cylindrical, the inner cylinder is provided with an inner cylinder, the inner cylinder is cylindrical, the inner cylinder is provided with a rotating platform, and the outer cylinder is provided with a driving device that can rotate the rotating platform around its own axis. A driving bevel gear is fixedly installed on the upper end of the platform; at least two sets of fixed components are evenly distributed along the circumference of the outer cylinder, and each set of fixed components includes a fixed rod, a transmission screw, a transmission bevel gear, a transmission sleeve, a translation rod and a clamping sleeve A fixing rod is fixedly installed between the inner wall of the outer cylinder and the outer wall of the inner cylinder, the inner cylinder corresponding to each position of the fixing rod is provided with a transmission screw rod, and the inner cylinder wall corresponding to the outer end position of the transmission screw rod is provided with a transmission screw rod. There is a transmission counterbore, the outer end of the transmission screw rod is located in the transmission counterbore, and the inner end of the transmission screw rod is fixedly installed with a transmission bevel gear whose lower end can mesh with the outer side of the driving bevel gear; The middle of the upper end of the transmission sleeve is fixedly installed with a translation rod, and the upper end of the translation rod is fixedly installed with a clamping sleeve located above the inner cylinder, and the axial direction of the clamping sleeve is consistent with the axial direction of the transmission sleeve; The tightening sleeve is provided with a clamping cavity through which its axis direction is passed, and the clamping cavity is provided with a clamping adjustment device that can move up and down. The top surface of the inner cylinder corresponding to the upper part of the middle of the The transmission long hole moves in and out in the direction of the axis of the transmission screw; the outer wall of the outer cylinder corresponding to the upper position of each fixed rod is provided with a cable entrance through the inside and outside, and the outer cylinder and the inner cylinder corresponding to the position of each cable entrance are provided. There are roller shafts between them. The axis of the roller shaft is perpendicular to the axis of the driving screw. The two ends of the roller shaft are fixedly installed together with the corresponding positions of the inner wall of the outer cylinder through the connecting rod. The roller is provided with a limit component that can rotate around its axis in one direction; the cable entrance is provided with a rain shield component that can close the cable entrance.

The following are further optimizations or/and improvements to the above-mentioned technical solutions of the invention:

The above-mentioned limit assembly may include a support rod, an upper limit block, a lower limit block and a support spring. The middle part of the fixing rod corresponding to the lower part of the middle part of the winding roller is provided with an installation hole that penetrates up and down, and the support rod is fixedly installed in the installation hole. The upper end of the upper limit is located above the fixed rod, and the upper end of the support rod is fixedly installed with an upper limit block. The upper limit block is in the shape of an isosceles right-angled triangular prism. The outer side of the middle of the roller is evenly distributed along the circumference with at least three limit grooves matching the shape of the upper end of the upper limit block, and the upper end of the upper limit block is located in the corresponding limit groove; the support rod corresponding to the position between the upper limit block and the fixed rod A support spring is provided on the outer side of the upper part.

The above-mentioned clamping adjustment device may include an arc-shaped splint, an adjusting bolt and a first bearing, an arc-shaped splint that can be matched with the inner wall of the upper end of the clamping sleeve is arranged on the inner side, and a threaded hole that penetrates up and down is arranged on the outer side of the upper end of the clamping sleeve, The upper end of the arc-shaped plate corresponding to the position of the threaded hole is provided with a mounting countersunk hole, and an adjusting bolt whose lower end is located in the mounting countersunk hole is fixedly installed in the threaded hole. The inner side of the bearing and the outer side of the lower end of the adjusting bolt are rotatably connected together.

The above-mentioned rain shield assembly may include an upper sealing plate, a lower sealing plate and a return spring, the cable entrance is provided with an upper sealing plate and a lower sealing plate that can close the cable entrance, and the upper sealing plate and the lower sealing plate are both semicircular. , the middle part of the outer wall of the outer cylinder corresponding to the position of the cable entrance is provided with an upper door slot that can make the upper sealing plate go up and down into it. A return spring is fixedly installed inside, and the middle part of the outer wall of the outer cylinder corresponding to the position of the cable entrance is provided with a lower door slot that enables the lower sealing plate to descend into it. A return spring is fixedly installed in the lower door slot between the lower door slots.

The above-mentioned driving device may include a deceleration motor, a battery and a control switch. The outer cylinder is provided with a deceleration motor located below the middle of the inner cylinder, and the deceleration motor is provided with a drive shaft. At the same time, a battery is arranged in the outer cylinder, a control switch capable of controlling the start and stop of the deceleration motor is arranged on the inner side of the upper end of the outer cylinder, and the battery is electrically connected with the deceleration motor.

The above-mentioned can also include a second bearing, a second bearing is fixedly installed in the transmission counterbore corresponding to the outer end of the outer end of the transmission screw, and the inner side of the second bearing is rotatably connected with the outer side of the outer end of the transmission screw.

The above can also include a cylinder cover and a cover opening handle, the outer cylinder body is a cylindrical shape with an upward opening, a cylinder cover is fixedly installed on the outer side of the upper end of the outer cylinder body through threads, and a cover opening handle is fixedly installed on the upper end of the cylinder cover.

The invention has reasonable and compact structure and ingenious conception. Through the cooperation of the upper limit block and the limit groove, the winding roller can only rotate in one direction; through the cooperation of the arc splint and the clamping sleeve, the optical cable is prevented from being pulled by external force; The assembly is convenient to seal the inner space of the outer cylinder, thereby achieving an effective rainproof effect, improving signal transmission, and having the characteristics of stability, safety and reliability.

Description of drawings

FIG. 1 is an enlarged schematic view of the front sectional view of the preferred embodiment.

FIG. 2 is a schematic top view sectional structure diagram of FIG. 1 .

The codes in the accompanying drawings are: 1 is the outer cylinder, 2 is the inner cylinder, 3 is the rotating platform, 4 is the drive bevel gear, 5 is the roller shaft, 6 is the connecting rod, 7 is the winding roller, and 8 is the fixed Rod, 9 is the transmission screw, 10 is the transmission bevel gear, 11 is the transmission sleeve, 12 is the translation rod, 13 is the clamping sleeve, 14 is the support rod, 15 is the upper limit block, 16 is the lower limit block, 17 In order to support the spring, 18 is the arc splint, 19 is the adjusting bolt, 20 is the first bearing, 21 is the deceleration motor, 22 is the battery, 23 is the control switch, 24 is the second bearing, 25 is the cylinder cover, and 26 is the upper seal Plate, 27 is the lower sealing plate, 28 is the return spring, 29 is the cover opening handle, and 30 is the limit slot.

Detailed ways

The present invention is not limited by the following examples, and specific implementations can be determined according to the technical solutions and actual conditions of the present invention.

In the present invention, for the convenience of description, the description of the relative positional relationship of each component is described according to the layout method of FIG. 1 of the specification, such as: the positional relationship of front, rear, top, bottom, left, right, etc. It is determined according to the layout direction of Fig. 1 of the specification.

Below in conjunction with embodiment and accompanying drawing, the present invention is further described:

As shown in Figures 1 and 2, the power optical cable splicing and fixing device includes an outer cylinder 1, an inner cylinder 2, a rotating platform 3, a driving bevel gear 4, a roller shaft 5, a connecting rod 6, a winding roller 7 and a fixing assembly , the outer cylinder 1 is cylindrical, the outer cylinder 1 is provided with an inner cylinder 2, the inner cylinder 2 is cylindrical, the inner cylinder 2 is provided with a rotating platform 3, and the outer cylinder 1 is provided with a rotating platform 3. A driving device for the platform 3 to rotate around its own axis, a drive bevel gear 4 is fixedly installed on the upper end of the rotating platform 3; at least two sets of fixed components are evenly distributed along the circumference of the outer cylinder 1, and each set of fixed components includes a fixed rod 8, a transmission Screw rod 9, transmission bevel gear 10, transmission sleeve 11, translation rod 12 and clamping sleeve 13, a fixed rod 8 is fixedly installed between the inner wall of the outer cylinder 1 and the outer wall of the inner cylinder 2, corresponding to each fixed rod 8 The inner cylinder 2 at the position is provided with a transmission screw 9, and the inner wall of the inner cylinder 2 corresponding to the outer end of the transmission screw 9 is provided with a transmission counterbore, and the outer end of the transmission screw 9 is located in the transmission counterbore, and the transmission The inner end of the rod 9 is fixedly installed with a transmission bevel gear 10 whose lower end can mesh with the outer side of the drive bevel gear 4; the outer side of the transmission screw 9 is provided with a transmission sleeve 11 which is fixedly installed with it through threads, and the upper end of the transmission sleeve 11 is fixedly installed in the middle There is a translation rod 12, the upper end of the translation rod 12 is fixedly installed with a clamping sleeve 13 located above the inner cylinder 2, the axial direction of the clamping sleeve 13 is consistent with the axial direction of the transmission sleeve 11; the clamping sleeve 13 is provided with There is a clamping cavity through which the axial direction is passed, and the clamping cavity is provided with a clamping adjustment device that can move up and down. The long drive hole for the rod 9 to move in and out in the axial direction; the outer wall of the outer cylinder 1 corresponding to the upper position of each fixed rod 8 is provided with a cable entrance through the inside and outside, and the outer cylinder 1 and the inner cylinder corresponding to the position of each cable entrance are provided. There are roller shafts 5 between the bodies 2. The axis of the roller shaft 5 is perpendicular to the axis of the transmission screw 9. The two ends of the roller shaft 5 are fixedly installed together with the corresponding positions of the inner wall of the outer cylinder 1 through the connecting rod 6. The roller shaft 5. A winding roller 7 is sleeved on the outer side, and the winding roller 7 is provided with a limit component that can rotate in one direction around its axis; the cable entrance is provided with a rain shielding component that can close the cable entrance. According to requirements, the limiting component may be a conventionally known ratchet pawl, and the driving device may be a conventionally known driving motor; in addition, four sets of fixing components are evenly distributed in the outer cylinder 1 along the circumference. In the process of use, the free ends of multiple optical cables are introduced into the outer cylinder 1 from different cable inlets respectively, and then the outer wall of the winding roller 7 at the corresponding position is wound several times, and then the free ends of the optical cables are The end passes through the clamping sleeve 13, and the optical cable is clamped in the clamping sleeve 13 by the clamping adjustment device. At this time, the driving device is turned on to make the rotating platform 3 rotate, and the driving bevel gear 4 is matched with the transmission bevel gear 10. , to realize the simultaneous rotation of multiple transmission screw rods 9, and the screw nut pair composed of the transmission screw rod 9 and the transmission sleeve 11 realizes the translation rod 12 to move inside and outside the long transmission hole, that is, the clamping sleeve 13 can follow the translation rod. 12 Move inward along the long drive hole, which is convenient for connecting the movable ends of multiple cables together; by setting the limit component, the free end of the optical cable can only move inward. One-way locking under the action of the limit component, so as to prevent the optical cable from being pulled by the tension to make the connection loose or broken; in the process of use, the internal space of the outer cylinder 1 can be easily sealed by setting the rain shield component, thereby achieving effective rain protection effect, improve the transmission of the signal.

According to actual needs, the above-mentioned power optical cable splicing and fixing device can be further optimized or/and improved:

As shown in FIGS. 1 and 2 , the limit assembly includes a support rod 14 , an upper limit block 15 , a lower limit block 16 and a support spring 17 , and the middle part of the fixing rod 8 corresponding to the lower part of the middle part of the winding roller 7 is provided with a vertical through installation. A support rod 14 is fixedly installed in the installation hole, the upper end of the support rod 14 is located above the fixed rod 8, the upper end of the support rod 14 is fixedly installed with an upper limit block 15, and the upper limit block 15 is in the shape of an isosceles right-angled triangular prism, and the upper limit block The outer side surface of 15 is inclined with low outside and high inside. Corresponding to the position of the upper limit block 15, the outer side of the middle of the winding roller 7 is uniformly distributed along the circumference with at least three limit grooves 30 that match the shape of the upper end of the upper limit block 15. The upper end of the block 15 is located in the corresponding limit slot 30 ; a support spring 17 is provided on the outer side of the upper part of the support rod 14 corresponding to the position between the upper limit block 15 and the fixing rod 8 . During use, through this setting, the free end of the optical cable can only move inward. If an external force pulls the optical cable outward, under the action of the upper limit block 15 and the limit slot 30, it can be locked in one direction. , so as to prevent the cable from being pulled loose or broken. According to requirements, the outer wall of the winding roller 7 can be a frosted surface, thereby preventing the optical cable wound on the outer wall from slipping.

As shown in Figures 1 and 2, the clamping adjustment device includes an arc-shaped clamping plate 18, an adjusting bolt 19 and a first bearing 20. The inner side of the upper end of the clamping sleeve 13 is provided with an arc-shaped clamping plate 18 that can be matched with its inner wall. The outer side of the upper end of the sleeve 13 is provided with a threaded hole that penetrates through the upper and lower sides, and the upper end of the arc-shaped plate corresponding to the position of the threaded hole is provided with a mounting countersunk hole. A first bearing 20 is fixedly installed in the outer mounting counterbore, and the inner side of the first bearing 20 is rotatably connected with the outer side of the lower end of the adjusting bolt 19 . During use, the arc-shaped splint 18 can be moved up and down by rotating the adjusting bolt 19. When the arc-shaped splint 18 goes down, it can cooperate with the inner wall of the clamping sleeve 13 to free the cable penetrating into the clamping sleeve 13. The end is clamped so that it can move inward along the drive slot with the translation rod 12, thereby facilitating the splicing of the movable ends of a plurality of cables together.

As shown in Figures 1 and 2, the rain shield assembly includes an upper sealing plate 26, a lower sealing plate 27 and a return spring 28, and the cable inlet is provided with an upper sealing plate 26 and a lower sealing plate 27 that can close the cable inlet, The upper sealing plate 26 and the lower sealing plate 27 are both semi-circular, and the middle part of the outer wall of the outer cylinder 1 corresponding to the position of the cable entrance is provided with an upper door slot that can enable the upper sealing plate 26 to ascend upward and be retracted into it, and the upper part of the upper sealing plate 26 is located at the upper door. In the groove, a return spring 28 is fixedly installed in the upper door groove corresponding to the position between the upper end of the upper sealing plate 26 and the upper door groove, and the middle part of the outer wall of the outer cylinder 1 corresponding to the position of the cable entrance is provided with a lower sealing plate 27 to descend into it. The lower part of the lower sealing plate 27 is located in the lower door groove, and a return spring 28 is fixedly installed in the lower door groove corresponding to the position between the lower end of the lower sealing plate 27 and the lower door groove. During use, the upper sealing plate 26, the lower sealing plate 27 and the return spring 28 are arranged to facilitate the sealing of the inner space of the outer cylinder 1, thereby achieving an effective rainproof effect and improving signal transmission.

As shown in Figures 1 and 2, the driving device includes a deceleration motor 21, a battery 22 and a control switch 23. The outer cylinder 1 is provided with a deceleration motor 21 located below the middle of the inner cylinder 2, and the deceleration motor 21 is provided with a drive shaft. , the upper end of the drive shaft is fixedly installed with the central position of the lower end face of the rotating platform 3; the outer cylinder 1 is provided with a battery 22, and the inner side of the upper end of the outer cylinder 1 is provided with a control switch 23 that can control the start and stop of the deceleration motor 21, and the battery 22 It is electrically connected to the reduction motor 21 . According to requirements, the deceleration motor 21 is of the prior art, including a motor and its motor control circuit. The control switch 23 is connected to the control circuit of the deceleration motor 21 to control the start and stop of the deceleration motor 21 . During use, this arrangement facilitates the simultaneous movement of the movable ends of the plurality of cables toward the center of the upper end of the inner cylinder 2, thereby facilitating the connection of the movable ends of the plurality of cables together.

As shown in FIGS. 1 and 2 , a second bearing 24 is also included. The second bearing 24 is fixedly installed in the transmission counterbore corresponding to the outer end of the transmission screw 9 . The inner side of the second bearing 24 is connected to the outer side of the outer end of the transmission screw 9 . Rotate together. During use, by setting the second bearing 24, the frictional force between the outer end of the transmission screw 9 and the transmission counterbore when the transmission screw 9 rotates is reduced.

As shown in Figures 1 and 2, it also includes a cylinder cover 25 and a cover opening handle 29. The outer cylinder body 1 is a cylindrical shape with an upward opening. A cover opening handle 29 is fixedly installed on the upper end. During use, it is convenient to seal the inner space of the outer cylinder 1 by arranging the cylinder cover 25, thereby achieving an effective rainproof effect and improving signal transmission.

The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and can increase or decrease unnecessary technical features according to actual needs to meet the needs of different situations.

Claims (8)

1. A power optical cable splicing and fixing device is characterized in that it comprises an outer cylinder, an inner cylinder, a rotating platform, a drive bevel gear, a roller shaft, a connecting rod, a winding roller and a fixed assembly, and the outer cylinder is cylindrical, There is an inner cylinder in the outer cylinder, the inner cylinder is cylindrical, the inner cylinder is provided with a rotating platform, the outer cylinder is provided with a driving device that can make the rotating platform rotate around its own axis, and the upper end of the rotating platform is fixedly installed with a driving cone Gears; at least two sets of fixed components are evenly distributed along the circumference in the outer cylinder, and each set of fixed components includes a fixed rod, a transmission screw, a transmission bevel gear, a transmission sleeve, a translation rod and a clamping sleeve. A fixed rod is fixedly installed between the outer walls of the inner cylinder, a transmission screw rod is arranged in the inner cylinder corresponding to each position of the fixed rod, and a transmission counterbore is arranged on the inner wall of the inner cylinder corresponding to the outer end position of the transmission screw rod. The outer end of the rod is located in the transmission counterbore, and the inner end of the transmission screw rod is fixedly installed with a transmission bevel gear whose lower end can mesh with the outer side of the driving bevel gear; A translation rod is fixedly installed in the middle of the upper end of the cylinder, and a clamping sleeve located above the inner cylinder is fixedly installed at the upper end of the translation rod. The axial direction of the clamping sleeve is consistent with the axial direction of the transmission sleeve; A clamping cavity that runs through the axial direction, and a clamping adjustment device that can move up and down is arranged in the clamping cavity. The top surface of the inner cylinder corresponding to the upper part of the middle of the transmission screw is provided with a translation rod that can move the translation rod in and out in the axial direction of the transmission screw The outer wall of the outer cylinder corresponding to the upper position of each fixed rod is provided with a cable entrance through the inside and outside, and there is a roller shaft between the outer cylinder and the inner cylinder corresponding to each cable entrance position. The axis of the roller shaft is perpendicular to the axis of the drive screw, and the two ends of the roller shaft are fixedly installed together with the corresponding positions of the inner wall of the outer cylinder through the connecting rod. The limit component whose axis rotates in one direction; the cable entrance is provided with a rain shield component that can close the cable entrance, and the limit component includes a support rod, an upper limit block, a lower limit block and a support spring, corresponding to the middle of the winding roller The middle of the fixing rod at the lower position is provided with a mounting hole that runs through up and down. A support rod is fixedly installed in the mounting hole. The upper end of the support rod is located above the fixed rod. The upper end of the support rod is fixedly installed with an upper limit block. Prismatic shape, the outer side of the upper limit block is inclined with low outside and high inside. Corresponding to the position of the upper limit block, there are at least three limit grooves on the outer side of the middle part of the winding roller that match the shape of the upper end of the upper limit block. The upper end of the position block is located in the corresponding position limit groove; a support spring is provided on the outer side of the upper part of the support rod corresponding to the position between the upper position block and the fixed rod. 2. The power optical cable splicing and fixing device according to claim 1, characterized in that the clamping adjustment device comprises an arc-shaped splint, an adjustment bolt and a first bearing, and the inner side of the upper end of the clamping sleeve is provided with an arc that can match its inner wall. The splint, the upper end of the clamping sleeve is provided with upper and lower through threaded holes, the upper end of the arc plate corresponding to the position of the threaded holes is provided with a mounting countersunk hole, and the threaded hole is fixedly installed with an adjusting bolt whose lower end is located in the mounting countersunk hole, corresponding to the adjusting bolt A first bearing is fixedly installed in the mounting counterbore on the outer side of the lower end, and the inner side of the first bearing is rotatably connected with the outer side of the lower end of the adjusting bolt. 3. The power optical cable splicing and fixing device according to claim 1 or 2 is characterized in that the rain shielding assembly comprises an upper sealing plate, a lower sealing plate, and a return spring, and the cable entrance is provided with an upper cover that can seal the cable entrance. The sealing plate and the lower sealing plate, the upper sealing plate and the lower sealing plate are both semi-circular, and the middle part of the outer wall of the outer cylinder corresponding to the position of the cable entrance is provided with an upper door slot that can make the upper sealing plate go up and down into it. Located in the upper door slot, a return spring is fixedly installed in the upper door slot corresponding to the position between the upper end of the upper sealing plate and the upper door slot, and the middle part of the outer wall of the outer cylinder corresponding to the position of the cable entrance is provided with a lower sealing plate that can be lowered into it. In the door slot, the lower part of the lower sealing plate is located in the lower door slot, and a return spring is fixedly installed in the lower door slot corresponding to the position between the lower end of the lower sealing plate and the lower door slot. 4. The power optical cable splicing and fixing device according to claim 1 or 2 is characterized in that the driving device comprises a deceleration motor, a storage battery and a control switch, the outer cylinder is provided with a deceleration motor located under the middle of the inner cylinder, and the deceleration motor is provided with a deceleration motor. There is a drive shaft, the upper end of the drive shaft is fixedly installed with the central position of the lower end face of the rotating platform; the outer cylinder is provided with a battery, and the inner side of the upper end of the outer cylinder is provided with a control switch that can control the start and stop of the deceleration motor, and the battery is electrically connected to the deceleration motor. . 5. The power optical cable splicing and fixing device according to claim 3 is characterized in that the driving device comprises a deceleration motor, a battery and a control switch, the outer cylinder is provided with a deceleration motor located below the middle of the inner cylinder, and the deceleration motor is provided with a drive The upper end of the shaft, the upper end of the drive shaft and the central position of the lower end face of the rotating platform are fixedly installed together; the outer cylinder is provided with a battery, and the inner side of the upper end of the outer cylinder is provided with a control switch that can control the start and stop of the deceleration motor, and the battery is electrically connected to the deceleration motor. 6. The electric power optical cable splicing and fixing device according to claim 1, 2 or 5, characterized in that it further comprises a second bearing, and the second bearing is fixedly installed in the transmission counterbore on the outer side of the outer end of the corresponding transmission screw. The inner side is rotatably connected with the outer side of the outer end of the driving screw rod; or/and, it also includes a cylinder cover and a cover opening handle, the outer cylinder body is a cylindrical shape with an upward opening, and the outer side of the upper end of the outer cylinder body is fixedly installed with a cylinder cover through threads. A cover opening handle is fixedly installed on the upper end of the cylinder cover. 7. The power optical cable splicing and fixing device according to claim 3, characterized in that it further comprises a second bearing, the second bearing is fixedly installed in the transmission countersunk hole corresponding to the outer end of the outer end of the transmission screw, and the inner side of the second bearing is connected to the transmission wire The outer sides of the outer ends of the rods are rotatably connected together; or/and, it also includes a cylinder cover and a cover opening handle, the outer cylinder body is a cylindrical shape with an upward opening, and the outer side of the upper end of the outer cylinder body is fixedly installed with a cylinder cover through threads, and the upper end of the cylinder cover is fixed A cover opening handle is installed. 8 . The power optical cable splicing and fixing device according to claim 4 , further comprising a second bearing, the second bearing is fixedly installed in the transmission countersunk hole corresponding to the outer end of the outer end of the transmission screw, and the inner side of the second bearing is connected to the transmission wire. 9 . The outer sides of the outer ends of the rods are rotatably connected together; or/and, it also includes a cylinder cover and a cover opening handle, the outer cylinder body is a cylindrical shape with an upward opening, and the outer side of the upper end of the outer cylinder body is fixedly installed with a cylinder cover through threads, and the upper end of the cylinder cover is fixed A cover opening handle is installed.

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