CN209823292U - A electric power cable receive and releases cable device for electric power cable is laid - Google Patents

Abstract

The utility model relates to an electric power cable receive and releases cable device for electric power cable is laid. The device comprises a chassis with a plurality of wheels at the bottom, a driving assembly and a rotating shaft assembly are arranged on the chassis, and a transmission case and a driving case are also arranged on the chassis; the drive assembly comprises a first end block with a back square shaft on the outside and a first plug-in shaft on the inside; the driving box comprises a box body, a supporting sleeve ring is mounted on the inner wall of the box body, a wheel disc assembly is arranged in the supporting sleeve ring and comprises a wheel disc body, a back toothed ring is mounted at the back of the wheel disc body, and a square shaft hole is formed in the center of the front face of the wheel disc body; the transmission box comprises a shell, a transverse worm wheel shaft is arranged in an inner cavity, a worm wheel is arranged at the outer end of the worm wheel shaft, a driving gear is arranged at the inner end of the worm wheel shaft, and the transmission box also comprises a vertical worm; the worm gear box is characterized by also comprising a motor, wherein a motor shell of the motor is fixedly connected with the shell of the transmission box, and a motor shaft is in butt joint with the worm; and a brake assembly is also arranged in the drive box. The utility model discloses compact structure, simple operation, traction force are big.

Description

A electric power cable receive and releases cable device for electric power cable is laid

Technical Field

The utility model belongs to the technical field of electric power construction equipment, especially, relate to an electric power cable receive and releases cable device for electric power cable is laid.

Background

The erection of the power cable is one of important power construction projects, and the laying and installation of the power cable in the construction project form a power transmission path (including a trunk line and a branch line), so that the power cable has very important significance in the scenes of power supply in urban underground power grids, industrial and mining enterprises and the like. The cable trench is laid by a commonly adopted process, namely, the cable trench is firstly dug on a path where a power cable extends, then the power cable is laid in the cable trench, the cable trench is filled and compacted by earthing, and a warning mark is arranged on the extending path.

Since the power cable exists in the form of a cable roll after leaving a factory and when being transported to a construction site, the power cable needs to be unwound from the cable roll to be unwound and then laid in the process of laying the power cable. Since the cable roll is generally heavy, the unwinding operation requires auxiliary facilities to perform. On the other hand, the recycling process of some old power cables also generally corresponds to the cable collecting operation of the power cables, and the centralized disposal of the power cables is realized by winding the power cables onto a cable roller. In the prior art, a large-sized vehicle facility is usually adopted to perform the cable reeling and unreeling operation of the cable, and for some miniaturized application scenes (such as places with narrow space or projects with small cable amount), the large-sized facility is difficult to be put into use, and a design scheme of the miniaturized facility is required to meet the requirements of the application scenes.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a compact structure, simple operation, traction force are big be used for electric power cable to lay receive and release cable device.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an electric cable winding and unwinding device for laying an electric cable comprises a chassis with a plurality of wheels at the bottom, wherein a driving assembly and a rotating shaft assembly are arranged on the chassis, a cable roller is loaded between the driving assembly and the rotating shaft assembly, and a transmission case and a driving case are also arranged on the chassis; the drive assembly comprises a first end block with a back square shaft on the outside and a first plug-in shaft on the inside; the driving box comprises a box body, a supporting sleeve ring is mounted on the inner wall of the box body, a wheel disc assembly is arranged in the supporting sleeve ring and comprises a wheel disc body, a back toothed ring is mounted at the back of the wheel disc body, and a square shaft hole is formed in the center of the front face of the wheel disc body; the back square shaft is inserted into the square shaft hole, and the first end block is fixedly connected with the wheel disc body; the transmission box comprises a shell, a transverse worm wheel shaft is arranged in an inner cavity, a worm wheel is arranged at the outer end of the worm wheel shaft, a driving gear in meshing transmission with the back toothed ring is arranged at the inner end of the worm wheel shaft, and the transmission box also comprises a vertical worm; the worm gear mechanism is characterized by also comprising a motor, wherein a motor shell of the motor is fixedly connected with the shell of the transmission case, and a motor shaft is in butt joint connection with the upper end of the worm; a brake component is also arranged in the driving box; the rotating shaft assembly comprises a shaft sleeve supported by a supporting upright post, a central shaft is arranged in the shaft sleeve, a second end block is arranged at the inner end of the central shaft, a second plug-in shaft is arranged on the inner side of the second end block, a plurality of threaded holes which are through in the axial direction are also formed in the second end block, and a fixing screw with a pointed end at the inner end is arranged in each threaded hole; the first inserting shaft and the second inserting shaft are both square shafts.

The utility model has the advantages that: the utility model provides a compact electric power cable of structural design receive and releases cable device for electric power cable is laid, compare with current large-scale receipts cable facility, power device that constitutes by motor, transmission case and drive case through setting up among this technical scheme provides stable controllable drive turning force for drive assembly, through set up the worm gear subassembly in the transmission case, promoted drive pivoted moment of torsion when guaranteeing stable driven, be favorable to driving comparatively heavy cable roller. Through setting up the pivot subassembly that can lateral shifting, make the cable roller change in to loading and uninstallation between drive assembly and the pivot subassembly, the field usage of being convenient for, the simple operation is laborsaving. The whole machine is compact in structure, is very suitable for miniaturized scenes and engineering occasions with less cable amount, and is convenient to arrange quickly and put into use quickly.

Preferably: the brake assembly comprises a support arm, the inner end of the support arm is hinged with the inner wall of the driving box, a return spring assembly is arranged below the outer end of the support arm, a pinch roller assembly is arranged below the middle part of the support arm, the pinch roller assembly comprises a triangular wheel support, the top angle of the wheel support is hinged with the support arm, pinch rollers are arranged at the positions of two bottom angles, and the pinch rollers are attached to the edge of the wheel disc body; the device also comprises a push rod motor fixedly connected with the inner wall of the driving box, wherein the end part of a telescopic shaft of the push rod motor is provided with a roller, and the roller is abutted against the inclined edge at the top of the support arm.

Preferably: the outer edge of the wheel disc body is provided with an annular through wheel groove, and the bottoms of two press wheels of the press wheel assembly are both positioned in the wheel groove.

Preferably: the reset spring assembly comprises a guide rod and a spring sleeved on the guide rod, a stop block is arranged on the guide rod and below the spring, the lower end of the guide rod is fixedly connected with the inner wall of the driving box, a lantern ring is arranged at the outer end of the support arm, and the lantern ring is sleeved on the guide rod and above the spring.

Preferably: the first end block is provided with a plurality of threaded holes which are communicated in the axial direction, a plurality of connecting holes with internal threads are arranged at corresponding positions on the outer surface of the wheel disc body, long screws are arranged in the threaded holes of the first end block, and the end parts of the long screws are positioned in the connecting holes of the wheel disc body.

Preferably: the wheel disc comprises a wheel disc body and a driving box, wherein the wheel disc body is arranged on the driving box, the driving box is arranged on the wheel disc body, the wheel disc body is arranged on the driving box, the driving box is arranged on the driving box, the wheel disc body is arranged on the driving box, the driving box is arranged on the.

Preferably: the shaft sleeve comprises an upper half shaft sleeve and a lower half shaft sleeve which are fixedly connected through bolts, and the lower half shaft sleeve is fixedly arranged at the top of the supporting upright post.

Preferably: a plurality of fastening screws which are distributed circumferentially are fixedly connected between the back toothed ring and the wheel disc body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the drive housing of FIG. 1;

FIG. 3 is a schematic view of the drive housing of FIG. 1 with the housing cover removed;

fig. 4 is a schematic view of the internal components of the drive housing and the transmission housing of fig. 1.

In the figure: 1. a motor; 2. a transmission case; 2-1, a worm; 2-2, a worm gear shaft; 2-3, a worm gear; 2-4, driving a gear; 3. cushion blocks; 4. a wheel; 5. a chassis; 6. a drive box; 7. a box cover; 8. a wheel disc assembly; 8-1, a wheel disc body; 8-2, connecting holes; 8-3, square shaft holes; 8-4, wheel groove; 8-5, a back toothed ring; 8-6, fastening screws; 9. a first plug shaft; 10. a first end block; 11. a long screw; 12. a back square shaft; 13. a second plug shaft; 14. a set screw; 15. a second end block; 16. a shaft sleeve; 17. a rotating shaft; 18. supporting the upright post; 19. a cable roll; 20. a support collar; 21. a push rod motor; 22. a contact switch; 23. a support arm; 24. a pinch roller assembly; 25. a return spring assembly.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the utility model discloses an electric power cable receive and release cable device for electric power cable is laid includes that the bottom has a chassis 5 of a plurality of wheels 4, is equipped with drive assembly and pivot subassembly on chassis 5, and cable roller 19 loads between drive assembly and pivot subassembly, still installs transmission case 2 and drive case 6 on chassis 5.

As shown in the figure, the wheels 4 support the chassis 5, and the wheels 4 roll on the ground at the construction site, and it is noted that in order to avoid the wheels 4 from sinking into the soil as much as possible, the wheels 4 in the present scheme should be selected as wide wheels, and the surfaces of the wheels need to be provided with appropriate anti-skid tire threads.

In this embodiment, the base plate 5 is provided with the cushion block 3, the transmission case 2 and the driving case 6 are both arranged on the cushion block 3, and the cushion block 3 is used for lifting the heights of the transmission case 2 and the driving case 6, so that the cable roller 19 with a larger diameter can be loaded on the device.

Referring to fig. 1, it can be seen that: the drive assembly comprises a first end block 10 with a back square shaft 12 on the outside and a first plug shaft 9 on the inside. The first end block 10 may be made of metal, wood or engineering plastic, the inner ends of the back square shaft 12 and the first insertion shaft 9 are fixedly connected to the first end block 10, the center lines of the back square shaft and the first insertion shaft 9 are collinear, the first insertion shaft 9 is used for being inserted into one end of a roller in the middle of the cable roller 19, and in this embodiment, the first insertion shaft 9 is a square shaft.

Referring to fig. 2 and 3, it can be seen that: the driving box 6 comprises a box body, a supporting sleeve ring 20 is installed on the inner wall of the box body, a wheel disc assembly 8 is arranged in the supporting sleeve ring 20, the wheel disc assembly 8 comprises a wheel disc body 8-1, a back toothed ring 8-5 is installed on the back of the wheel disc body 8-1, and a square shaft hole 8-3 is formed in the center of the front face of the wheel disc body.

Support collar 20 provides a bushing structure for wheel assembly 8 to constrain wheel assembly 8 to rotate freely within, i.e., wheel assembly 8 does not have a rotational axis of its own. As shown in the figure, the supporting sleeve ring 20 is fixedly connected with the box body of the driving box 6 by a plurality of lug plates distributed in the circumferential direction, the wheel disc body 8-1 is placed inside the supporting sleeve ring 20, the inner diameter of the supporting sleeve ring 20 is slightly larger than the outer diameter of the wheel disc body 8-1, pasty lubricating grease can be coated on the edge of the wheel disc body 8-1, the rotating resistance is reduced, the friction loss is reduced, when the supporting sleeve ring 20 is worn to a certain degree, the old supporting sleeve ring 20 can be removed and replaced by the new supporting sleeve ring 20, and similarly, the wheel disc body 8-1 can be replaced after being worn.

As shown in figure 4, a plurality of fastening screws 8-6 distributed circumferentially are fixedly connected between the back toothed ring 8-5 and the wheel disc body 8-1, and when the wheel disc body 8-1 needs to be replaced after being worn, the back toothed ring and the wheel disc body can be disassembled and assembled through the fastening screws 8-6. However, it is conceivable that both the back ring gear 8-5 and the wheel disc body 8-1 may be integrally cast and finished at the machining center, which would increase the machining cost of the component and to some extent the strength of the overall structure.

The back square shaft 12 is inserted in the square shaft hole 8-3, and the first end block 10 is fixedly connected with the wheel disc body 8-1. In this embodiment, the first end block 10 is provided with a plurality of threaded holes penetrating in the axial direction, a plurality of connecting holes 8-2 with internal threads are formed in corresponding positions on the outer surface of the wheel disc body 8-1, long screws 11 are arranged in each threaded hole of the first end block 10, and the end portions of the long screws 11 are located in each connecting hole 8-2 of the wheel disc body 8-1. That is, the first end block 10 and the wheel disc body 8-1 are fixedly connected by a plurality of long screws 11, so that the driving assembly can be disassembled and replaced.

Referring to fig. 1 and 4, it can be seen that: the transmission case 2 comprises a shell, a transverse worm wheel shaft 2-2 is installed in an inner cavity, a worm wheel 2-3 is installed at the outer end of the worm wheel shaft 2-2, a driving gear 2-4 in meshed transmission with a back toothed ring 8-5 is installed at the inner end of the worm wheel shaft, the transmission case further comprises a vertical worm 2-1, the worm 2-1 and the worm wheel 2-3 form a worm wheel and worm structure, the worm 2-1 rotates under the driving of the outside, the worm wheel 2-3 rotates under the driving of the worm, the worm wheel shaft 2-2 drives the driving gear 2-4 to rotate, and then the back toothed ring 8-5 and a wheel disc body 8-1 are driven to rotate.

In this embodiment, the case body of the driving case 6 and the case of the transmission case 2 are integrally cast, the case of the transmission case 2 is provided with a buckle cover, the case body of the driving case 6 is provided with a case cover 7 having a middle through window, a main body portion of the wheel disc body 8-1 is exposed from the middle through window, and the case cover 7 can also function as a pressing cover to a certain extent to press and hold the wheel disc body 8-1 inside.

The worm gear transmission mechanism further comprises a motor 1, a motor shell of the motor 1 is fixedly connected with an outer shell of the transmission case 2, and a motor shaft is in butt joint connection with the upper end of the worm 2-1. The motor 1 is as the power supply of whole device, and the compact nature of whole device structure has been promoted to the compound mode of motor 1, transmission case 2, drive case 6 three, and occupation space is little, and drive power is big.

A braking assembly is also provided within the drive housing 6 for providing a braking effect to the drive assembly 8. Referring to fig. 3, it can be seen that: the brake assembly comprises a support arm 23, the inner end of the support arm is hinged with the inner wall of the driving box 6, a reset spring assembly 25 is arranged below the outer end of the support arm 23, a pinch roller assembly 24 is arranged below the middle part of the support arm, the pinch roller assembly 24 comprises a triangular wheel support, the top angle of the wheel support is hinged with the support arm 23, pinch rollers are arranged at the positions of two bottom angles, and the pinch rollers are attached to the edge of the wheel disc body 8-1; the device also comprises a push rod motor 21 fixedly connected with the inner wall of the driving box 6, wherein the end part of a telescopic shaft of the push rod motor is provided with a roller which is propped against the inclined edge at the top of the support arm 23. When the push rod motor 21 acts and the telescopic rod drives the roller to extend out, a downward pressing effect is generated on the support arm 23, the support arm 23 presses the pressing wheel assembly 24 downward, the pressing wheel assembly 24 is in pressing contact with the edge of the wheel disc body 8-1, a certain braking effect is generated by means of the damping effect (no bearing is additionally arranged and the roller generates friction when rotating) of the two rollers at the rotating shaft, and the braking effect is triggered by manual control under special conditions (such as the condition that the electric cable is wound).

In the embodiment, the outer edge of the wheel disc body 8-1 is provided with the annular through wheel groove 8-4, and the bottoms of the two press wheels of the press wheel assembly 24 are both positioned in the wheel groove 8-4, so that the cooperation between the press wheel assembly 24 and the wheel disc body 8-1 can be limited, and more stable braking action can be realized.

In this embodiment, the return spring assembly 25 includes a guide rod and a spring sleeved on the guide rod, a stop block is arranged on the guide rod and below the spring, the lower end of the guide rod is fixedly connected with the inner wall of the driving box 6, a sleeve ring is arranged at the outer end of the support arm 23, and the sleeve ring is sleeved on the guide rod and above the spring. When the telescopic rod of the push rod motor 21 retracts, the roller moves backwards, the front end of the support arm 23 moves upwards to reset under the action of the reset elastic force of the reset spring assembly 25, and the braking action is released.

The rotating shaft assembly comprises a shaft sleeve 16 supported by a supporting upright post 18, a central shaft 17 is arranged in the shaft sleeve 16, a second end block 15 is arranged at the inner end of the central shaft 17, a second plug-in shaft 13 is arranged on the inner side of the second end block 15, a plurality of threaded holes penetrating in the axial direction are further formed in the second end block 15, and a fixing screw 14 with the inner end being a tip is arranged in each threaded hole. The second end block 15 may be made of metal, wood or engineering plastic, the inner ends of the central shaft 17 and the second insertion shaft 13 are fixedly connected to the second end block 15, the center lines of the two are collinear, the second insertion shaft 15 is used for being inserted into the other end of the roller in the middle of the cable roller 19, and in this embodiment, the second insertion shaft 13 is a square shaft.

The first plug shaft 9 and the second plug shaft 13 are designed into square shafts to better transmit rotation, the two plug shafts which are also square shafts are respectively plugged at two ends of a middle roller of the cable roller 19, and the rotation is transmitted to the cable roller 19. Considering that the middle roller of the existing cable roller 19 is cylindrical and the insertion holes are circular, the device needs to be slightly modified before the cable roller 19 is loaded on the device, and the specific modification mode is as follows: the template with a square hole in the middle is processed by a thick wood plate, the template is nailed on the circular end plates on the two sides of the cable roller 19 by steel nails, and then the two inserting shafts can be inserted in the square hole of the template. The template can also be removed at any time to restore the cable roll 19.

In this embodiment, axle sleeve 16 includes the last semi-axis cover and the lower semi-axis cover that adopt bolt fixed connection, and the top at support post 18 is fixed in the installation of lower semi-axis cover, and axle sleeve 16 designs into the form of component combination and can promote the convenience that the dismouting was maintained.

The rotating shaft assembly is fixedly connected with the cable roller 19 through the plurality of fixing screws 14, and the circular end plates at the two ends of the cable roller 19 are generally made of wood materials, so that after the second inserting shaft 13 is inserted into the middle roller of the cable roller 19, the inner ends of the fixing screws 14 are embedded into the circular end plate body of the cable roller 19 by rotating the fixing screws 14 (with a certain self-tapping effect), so that the fixing connection between the fixing screws and the circular end plate body is realized, and the cable roller 19 is fully unreeled/reeled and then is unscrewed out of the fixing screws 14, so that the connection between the fixing screws and the circular end plate body is released.

The device is provided with a controller and control switches, the start and stop of the motor 1 and the action of the push rod motor 21 are controlled, a power line is connected to the controller, one switch of the controller controls the on-off of the power supply of the motor 1, the other switch controls the on-off of the power supply of the push rod motor 21, and the two switches are operated on site by an operator to realize rapid on-site reaction. The contact switch 22 can be further installed in the driving box 6, the contact switch 22 is installed below the middle rear portion of the support arm 23, when the support arm 23 generates pressing movement under the action of the push rod motor 21 and the roller thereof, a signal is generated to the controller after reaching a limit position, the push rod motor 21 is controlled to be powered off, excessive action of the push rod motor 21 is avoided, a protection mechanism of a brake assembly is equivalently provided, and deformation and damage of parts caused by excessive action are avoided.

The working process is as follows:

moving the device to a construction site; when the cable needs to be unreeled, hoisting and moving the full-roll cable roller 19 to a position between the driving assembly and the rotating shaft assembly, transversely pushing the cable roller 19 to enable the first inserting shaft 9 to be inserted into one end of the middle roller, and transversely pushing the second end block 15 of the rotating shaft device until the second inserting shaft 13 is inserted into the other end of the middle roller; removing the hoisting machine; rotating each fixing screw 14 by using a tool such as a spanner until the second end block 15 is fixedly connected with the circular end plate of the cable roller 19; then, starting a motor to rotate, and unreeling the power cable (needing to draw the end of the power cable); when the cable is required to be wound, the empty wound cable roller 19 is loaded between the driving assembly and the rotating shaft assembly, the end of the power cable is fixed on the cable roller 19, and the power cable is wound by rotating the starting motor.

Claims (8)

1. The utility model provides an electric power cable receive and releases cable device for electric power cable is laid, characterized by: the device comprises a chassis (5) with a plurality of wheels (4) at the bottom, a driving assembly and a rotating shaft assembly are arranged on the chassis (5), a cable roller (19) is loaded between the driving assembly and the rotating shaft assembly, and a transmission case (2) and a driving case (6) are further installed on the chassis (5);

the drive assembly comprises a first end block (10) with a back square shaft (12) on the outside and a first plug-in shaft (9) on the inside; the driving box (6) comprises a box body, a supporting sleeve ring (20) is installed on the inner wall of the box body, a wheel disc assembly (8) is arranged in the supporting sleeve ring (20), the wheel disc assembly (8) comprises a wheel disc body (8-1), a back toothed ring (8-5) is installed on the back of the wheel disc body (8-1), and a square shaft hole (8-3) is formed in the center of the front face of the wheel disc body; the back square shaft (12) is inserted in the square shaft hole (8-3), and the first end block (10) is fixedly connected with the wheel disc body (8-1); the transmission case (2) comprises a shell, a transverse worm wheel shaft (2-2) is arranged in an inner cavity, a worm wheel (2-3) is arranged at the outer end of the worm wheel shaft (2-2), a driving gear (2-4) which is in meshing transmission with the back toothed ring (8-5) is arranged at the inner end of the worm wheel shaft, and the transmission case also comprises a vertical worm (2-1); the worm gear transmission mechanism is characterized by further comprising a motor (1), a motor shell of the motor (1) is fixedly connected with an outer shell of the transmission case (2), and a motor shaft is in butt joint connection with the upper end of the worm (2-1); a brake component is also arranged in the driving box (6);

the rotating shaft assembly comprises a shaft sleeve (16) supported by a support upright post (18), a central shaft (17) is arranged in the shaft sleeve (16), a second end block (15) is arranged at the inner end of the central shaft (17), a second inserting shaft (13) is arranged on the inner side of the second end block (15), a plurality of threaded holes penetrating in the axial direction are further formed in the second end block (15), and fixing screws (14) with the inner ends being tips are arranged in the threaded holes; both the first plug shaft (9) and the second plug shaft (13) are square shafts.

2. An electric power cable reeling and unreeling device for electric power cable laying according to claim 1, characterized in that: the brake assembly comprises a support arm (23) with the inner end hinged with the inner wall of the driving box (6), a reset spring assembly (25) is arranged below the outer end of the support arm (23), a pinch roller assembly (24) is arranged below the middle part of the support arm, the pinch roller assembly (24) comprises a triangular wheel support, the top angle of the wheel support is hinged with the support arm (23), pinch rollers are arranged at the positions of two bottom angles, and the pinch rollers are attached to the edge of the wheel disc body (8-1); the device also comprises a push rod motor (21) fixedly connected with the inner wall of the driving box (6), wherein the end part of a telescopic shaft of the push rod motor is provided with a roller, and the roller is abutted against the inclined edge at the top of the support arm (23).

3. An electric power cable reeling and unreeling device for electric power cable laying as claimed in claim 2, wherein: the outer edge of the wheel disc body (8-1) is provided with an annular through wheel groove (8-4), and the bottoms of two press wheels of the press wheel assembly (24) are both positioned in the wheel groove (8-4).

4. An electric power cable reeling and unreeling device for electric power cable laying as claimed in claim 2, wherein: the reset spring assembly (25) comprises a guide rod and a spring sleeved on the guide rod, a stop block is arranged on the guide rod and below the spring, the lower end of the guide rod is fixedly connected with the inner wall of the driving box (6), a lantern ring is arranged at the outer end of the support arm (23), and the lantern ring is sleeved on the guide rod and above the spring.

5. An electric power cable reeling and unreeling device for electric power cable laying according to claim 1, characterized in that: the first end block (10) is provided with a plurality of threaded holes which are communicated in the axial direction, a plurality of connecting holes (8-2) with internal threads are arranged at corresponding positions on the outer surface of the wheel disc body (8-1), long screws (11) are arranged in the threaded holes of the first end block (10), and the end parts of the long screws (11) are positioned in the connecting holes (8-2) of the wheel disc body (8-1).

6. An electric power cable reeling and unreeling device for electric power cable laying according to claim 1, characterized in that: the wheel disc driving mechanism is characterized in that a box body of the driving box (6) and a shell of the transmission box (2) are integrally cast and formed, a buckle cover is arranged on the shell of the transmission box (2), a box cover (7) with a middle through window is arranged on the box body of the driving box (6), and a main body part of the wheel disc body (8-1) is exposed from the middle through window.

7. An electric power cable reeling and unreeling device for electric power cable laying according to claim 1, characterized in that: the shaft sleeve (16) comprises an upper half shaft sleeve and a lower half shaft sleeve which are fixedly connected by bolts, and the lower half shaft sleeve is fixedly arranged at the top of the supporting upright post (18).

8. An electric power cable reeling and unreeling device for electric power cable laying according to claim 1, characterized in that: the back toothed ring (8-5) and the wheel disc body (8-1) are fixedly connected by a plurality of fastening screws (8-6) distributed circumferentially.