CN213294312U

CN213294312U - Cable rack for construction of electric automation engineering

Info

Publication number: CN213294312U
Application number: CN202021697595.8U
Authority: CN
Inventors: 汪佐锽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-28
Anticipated expiration: 2030-08-14

Abstract

The utility model belongs to the technical field of engineering construction, in particular to a cable frame for construction of an electric automation engineering, which comprises a rotating base, wherein the top surface of the rotating base is provided with a front supporting arm and a rear supporting arm, a winding wheel arranged at the upper end of the rear supporting arm is connected with a reciprocating screw rod through a driving belt wheel, a driving belt and a driven belt wheel in a transmission way, a traction sliding table is arranged on the reciprocating screw rod, the winding wheel is connected with a second rotating handle through an upper gear box in a transmission way, one end of a connecting rod arranged at the lower side of the front supporting arm is connected with the first rotating handle, the other end of the connecting rod is connected with a lower gear box, the second rotating gear arranged on the connecting rod is meshed with a first rotating gear arranged on a rotating shaft of a transmission driving gear, the first driving gear is meshed with a driven gear arranged on the top surface of a base, after the gear in the lower gear box rotates, the rotating base can horizontally rotate on the base to adjust the angle of the cable frame winding and unwinding line.

Description

Cable rack for construction of electric automation engineering

Technical Field

The utility model belongs to the technical field of the engineering construction, concretely relates to cable frame is used in construction of electrical automation engineering.

Background

Cables are generally rope-like cables made up of several or groups of conductors twisted together, with each group of conductors being insulated from each other and often twisted around a center, and surrounded entirely by a highly insulating coating. Many erects aloft or adorn underground, submarine, be used for telecommunication or power transmission, the cable is in the process of erectting, generally need carry out the rolling, the current cable frame majority can't be according to the flexible adjusting bracket angle of the angle of receiving and releasing of cable, can't satisfy the change of cable installation scene, and current cable frame can not arrange the book in the receipts and arrange the cable conductor in order, very mixed and disorderly of rolling, waste time and energy, can't satisfy the user demand, in addition, current cable frame is at the during operation of carrying out the rolling, it can not rotate by oneself to need an extra locking mechanical system of user operation to guarantee that the rolling wheel can not rotate, it is comparatively troublesome to operate.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an electric automatization engineering construction is with cable frame goes up gear structure in the gear box and can play auto-lock, increase output speed's function, guarantees that the rolling wheel can not automatic rotate, improves the efficiency of receiving the winding displacement greatly, can make after the gear rotation in the lower gear box rotate the base and receive the angle of winding displacement at base horizontal rotation adjustment cable frame.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable frame for construction of electrical automation engineering, includes rotates the base, it has preceding supporting arm and back supporting arm to rotate base top surface fixed mounting, the upper end of back supporting arm is rotated and is installed the rolling wheel, the rolling wheel passes through driving pulley, drive belt, driven pulley transmission and connects reciprocal lead screw, the transmission is connected with on the reciprocal lead screw and pulls the slip table, the downside that pulls the slip table is rotated and is installed the guide pulley, pull the lower extreme sliding connection guide arm of slip table, the one end of rolling wheel pivot is connected the turning handle two through last gear box transmission, the downside of preceding supporting arm is rotated and is installed the connecting rod, the one end fixedly connected with turning handle one of connecting rod, the other end of connecting rod is rotated and is connected the medial surface of lower gear box, the part fixed mounting of connecting rod in lower gear box has bevel gear two, bevel gear two mesh transmission fixed mounting are in the epaxial bevel, the first driving gear is meshed with the first driven gear, a rotating shaft of the first driven gear is rotated to penetrate through the top surface of the rotating base and the fixed connection base, and supporting beads are arranged between the bottom surface of the rotating base and the top surface of the base in a rolling mode.

Preferably, a second driving gear, a second driven gear, a third bevel gear, a fourth bevel gear, a worm wheel and a worm are fixedly mounted inside the upper gearbox, the second driven gear is meshed with the second driving gear on the lower side, one end of a rotating shaft of the second driving gear rotatably penetrates through the side face of the upper gearbox and is rotatably connected with the side face of the rear supporting arm, a rotating shaft of the second driven gear rotatably penetrates through the side face of the upper gearbox and is fixedly connected with one end of a rotating shaft of the winding wheel, and the number of teeth of the second driven gear is not more than 1/2 of the number of teeth of the second driving gear; the second driving gear can drive the second driven gear to rotate after rotating, so that the winding wheel and the driving belt wheel on the winding wheel rotate simultaneously to perform the wire winding and unwinding work, the second driving gear can increase the output rotating speed of the second driven gear, and the wire winding and unwinding efficiency is improved.

Preferably, a third bevel gear is fixedly mounted on a rotating shaft of the second driving gear, the third bevel gear is meshed with a fourth bevel gear on one transmission side, a worm wheel is fixedly mounted on a rotating shaft of the fourth bevel gear, the worm wheel is meshed with a worm on the lower transmission side, and one end of the worm rotatably penetrates through the side face of the upper gearbox and is fixedly connected with a second rotating handle; a user can rotate the second rotating handle to enable the worm, the worm wheel, the fourth bevel gear, the third bevel gear, the second driven gear and the second driving gear to be in meshing transmission, so that the wire winding and unwinding operation is performed, the worm wheel cannot serve as a driving wheel to drive the worm to rotate due to the self-locking structure between the worm wheel and the worm wheel, the winding wheel cannot rotate, the working efficiency is greatly improved, the transmission directions of the two shafts can be changed by the third bevel gear and the fourth bevel gear, and the transmission mechanism in the upper gearbox is compact in structure.

Preferably, the front support arm is arranged in front of the rear support arm, two ends of the reciprocating screw rod are rotatably connected with the upper end of the side surface of the front support arm, the driving belt wheel is fixedly arranged on a rotating shaft of the winding wheel, the driving belt wheel is connected with the driven belt wheel through a transmission belt, and the driven belt wheel is fixedly arranged at one end of the reciprocating screw rod; the belt transmission system that drive pulley, drive belt, driven pulley are constituteed can drive reciprocal lead screw rotation when the rolling wheel rotates, makes and pulls slip table reciprocating motion about on reciprocal lead screw to automatic arranging in the in-process of receiving and releasing the line, effectively promoted the arrangement level of this cable rack to the cable.

Preferably, the lower end of the traction sliding table is horizontally provided with a through hole in sliding connection with a guide rod, the guide rod is arranged vertically below the reciprocating screw rod and is parallel to the reciprocating screw rod, and two ends of the guide rod are fixedly connected with the side surface of the front support arm; the guide rod can play a role in limiting and guiding, so that the traction sliding table can stably reciprocate on the reciprocating lead screw.

Preferably, the first driven gear, the first driving gear, the first bevel gear and the second bevel gear are all installed inside the lower gearbox, the bottom end of a rotating shaft of the first driven gear is fixedly connected with the center of the top surface of the base, the first driving gear is installed on the side surface of the first driven gear, the bottom end of the rotating shaft of the first driving gear is rotatably connected with the top surface of the rotating base, and the top end of the rotating shaft of the first driving gear is fixedly connected with the first bevel gear; a user can rotate the first rotating handle to enable the connecting rod to drive the second bevel gear to rotate, and then the second bevel gear, the first driving gear and the first driven gear are in meshing transmission, so that the rotating base horizontally rotates on the base, and the cable take-up and pay-off angle of the cable rack is changed.

Preferably, the number of teeth of the first driving gear is not more than 1/2 of the number of teeth of the first driven gear; the speed reduction structure formed by the first driving gear and the first driven gear can improve the output torque of the first rotating handle for users, and is convenient for the users to adjust and rotate the rotating base and the cable frame structure above the rotating base.

Preferably, the number of the supporting beads is multiple, the supporting beads are smooth stainless steel round beads, and the top surface of the base and the bottom surface of the rotating base are provided with annular limiting grooves matched with the supporting beads; the supporting beads can play a role in bearing and supporting, and the rotating base can be guaranteed to rotate stably on the base.

Preferably, the base is of a flat cylindrical structure, and a cylindrical groove body in sliding connection with the curved side face of the base is formed in the bottom face of the rotating base; install the rotation base on the base from top to bottom and can avoid grit foreign matter etc. to get into the inside of rotating the base from the base under the action of gravity and the joint gap department that rotates the base to cause wearing and tearing to base, support pearl, the surface of rotating the base, influence the performance of this cable rack.

Compared with the prior art, the beneficial effects of the utility model are that: the second driving gear can drive the second driven gear to rotate after rotating, so that the second winding wheel and the driving belt wheel on the winding wheel rotate simultaneously to perform the wire winding and unwinding work, and the second driving gear can increase the output rotating speed of the second driven gear and improve the wire winding and unwinding efficiency; a user can rotate the second rotating handle to enable the worm, the worm wheel, the fourth bevel gear, the third bevel gear, the second driven gear and the second driving gear to be in meshing transmission, so that the wire winding and unwinding operation is performed, the worm wheel cannot serve as a driving wheel to drive the worm to rotate due to a self-locking structure between the worm wheel and the worm wheel, the winding wheel cannot rotate, the working efficiency is greatly improved, the transmission directions of the two shafts can be changed by the third bevel gear and the fourth bevel gear, and the structure of a transmission mechanism in the upper gearbox is compact; the belt transmission system consisting of the driving belt wheel, the transmission belt and the driven belt wheel can drive the reciprocating screw to rotate while the winding wheel rotates, so that the traction sliding table can reciprocate left and right on the reciprocating screw, the cable can be automatically sorted in the process of winding and unwinding the cable, and the cable sorting level of the cable rack is effectively improved; the guide rod can play a role in limiting and guiding, so that the traction sliding table can stably reciprocate on the reciprocating lead screw; a user can rotate the first rotating handle to enable the connecting rod to drive the second bevel gear to rotate, and then the second bevel gear, the first driving gear and the first driven gear are in meshing transmission, so that the rotating base horizontally rotates on the base, and the wire reeling and unreeling angle of the cable rack is changed; the speed reduction structure formed by the first driving gear and the first driven gear can improve the output torque of the first rotating handle rotated by a user, and the user can adjust the rotating base and a cable frame structure above the rotating base conveniently; the supporting beads can play a role in bearing and supporting, so that the rotating base can stably rotate on the base; install the rotation base on the base from top to bottom and can avoid grit foreign matter etc. to get into the inside of rotating the base from the base under the action of gravity and the joint gap department that rotates the base to cause wearing and tearing to base, support pearl, the surface of rotating the base, influence the performance of this cable rack.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front cross-sectional view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a front cross-sectional view of the upper middle gearbox of the present invention;

FIG. 5 is a side cross-sectional view of the upper gearbox of the present invention;

in the figure: 1. a base; 2. supporting beads; 3. rotating the base; 4. a lower gear box; 5. a first driven gear; 6. driving a gear I; 7. a first bevel gear; 8. a second bevel gear; 9. a connecting rod; 10. a first rotating handle; 11. a front support arm; 12. a rear support arm; 13. a winding wheel; 14. a drive pulley; 15. a transmission belt; 16. a driven pulley; 17. a reciprocating screw; 18. a traction sliding table; 19. a guide bar; 20. a guide wheel; 21. an upper gearbox; 22. a second rotating handle; 211. driving a gear II; 212. a driven gear II; 213. a third bevel gear; 214. a fourth bevel gear; 215. a worm gear; 216. a worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an electric automatization engineering construction cable frame, includes rotates base 3, it has preceding supporting arm 11 and back supporting arm 12 to rotate base 3 top surface fixed mounting, the upper end of back supporting arm 12 is rotated and is installed wind-up wheel 13, wind-up wheel 13 is through driving pulley 14, drive belt 15, driven pulley 16 transmission connection reciprocal lead screw 17, the transmission is connected with on the reciprocal lead screw 17 and pulls slip table 18, the downside that pulls slip table 18 rotates and installs guide pulley 20, pull the lower extreme sliding connection guide arm 19 of slip table 18, the one end of wind-up wheel 13 pivot is through last gear box 21 transmission connection turning handle two 22, the downside of preceding supporting arm 11 is rotated and is installed connecting rod 9, the one end fixedly connected with turning handle one 10 of connecting rod 9, the other end of connecting rod 9 is rotated and is connected the medial surface of gear box 4 down, the part fixed mounting of connecting rod 9 in gear box 4 has bevel gear two 8 down, the bevel gear II 8 is fixedly mounted on a bevel gear I7 on a rotating shaft of the driving gear I6 in a meshing manner, the driving gear I6 is fixedly mounted on a driven gear I5 in a meshing manner, the rotating shaft of the driven gear I5 rotates to penetrate through the top surface of the rotating base 3 and is fixedly connected with the top surface of the base 1, and the supporting beads 2 are mounted between the bottom surface of the rotating base 3 and the top surface of the base 1 in a rolling manner.

Specifically, a second driving gear 211, a second driven gear 212, a third bevel gear 213, a fourth bevel gear 214, a worm wheel 215 and a worm 216 are fixedly mounted inside the upper gearbox 21, the second driven gear 212 is engaged with the second driving gear 211 on the lower side, one end of a rotating shaft of the second driving gear 211 rotatably penetrates through the side surface of the upper gearbox 21 and is rotatably connected with the side surface of the rear support arm 12, a rotating shaft of the second driven gear 212 rotatably penetrates through the side surface of the upper gearbox 21 and is fixedly connected with one end of a rotating shaft of the take-up wheel 13, and the number of teeth of the second driven gear 212 is not greater than 1/2 of the number of teeth of the second driving gear 211; the second driving gear 211 can drive the second driven gear 212 to rotate after rotating, so that the winding wheel 13 and the driving belt wheel 14 on the winding wheel 13 rotate simultaneously to perform the wire winding and unwinding operation, and the second driving gear 211 can increase the output rotating speed of the second driven gear 212, so that the wire winding and unwinding efficiency is improved.

Specifically, a third bevel gear 213 is fixedly mounted on a rotating shaft of the second driving gear 211, the third bevel gear 213 is engaged with a fourth bevel gear 214 on the transmission side, a worm wheel 215 is fixedly mounted on a rotating shaft of the fourth bevel gear 214, the worm wheel 215 is engaged with a worm 216 on the transmission lower side, and one end of the worm 216 rotatably penetrates through the side surface of the upper gearbox 21 and is fixedly connected with the second rotating handle 22; a user can rotate the second rotating handle 22 to enable the worm 216, the worm wheel 215, the fourth bevel gear 214, the third bevel gear 213, the second driven gear 212 and the second driving gear 211 to be in meshing transmission, so that the wire winding and unwinding operation is performed, the worm wheel 215 cannot be driven to rotate by the worm wheel 216 as a driving wheel due to a self-locking structure between the worm 216 and the worm wheel 215, the rolling wheel 13 cannot rotate, the working efficiency is greatly improved, the transmission directions of the two shafts can be changed by the third bevel gear 213 and the fourth bevel gear 214, and the transmission mechanism in the upper gearbox 21 is compact in structure.

Specifically, the front support arm 11 is arranged in front of the rear support arm 12, two ends of the reciprocating screw 17 are rotatably connected with the upper end of the side surface of the front support arm 11, the driving pulley 14 is fixedly installed on a rotating shaft of the winding wheel 13, the driving pulley 14 is in transmission connection with the driven pulley 16 through a transmission belt 15, and the driven pulley 16 is fixedly installed at one end of the reciprocating screw 17; the belt transmission system that driving pulley 14, drive belt 15, driven pulley 16 are constituteed can drive reciprocal lead screw 17 and rotate when rolling wheel 13 rotates, makes and pulls slip table 18 reciprocating motion about on reciprocal lead screw 17 to automatic the arranging of in-process at the receipts and releases the line, effectively promoted the arrangement level of this cable rack to the cable.

Specifically, a through hole which is connected with a guide rod 19 in a sliding manner is horizontally formed in the lower end of the traction sliding table 18, the guide rod 19 is arranged vertically below the reciprocating screw rod 17 and is parallel to the reciprocating screw rod 17, and two ends of the guide rod 19 are fixedly connected with the side surface of the front support arm 11; the guide rod 19 can play a role of limiting and guiding, so that the traction sliding table 18 can stably reciprocate on the reciprocating lead screw 17.

Specifically, the driven gear I5, the driving gear I6, the bevel gear I7 and the bevel gear II 8 are all installed inside the lower gearbox 4, the bottom end of a rotating shaft of the driven gear I5 is fixedly connected with the center of the top surface of the base 1, the driving gear I6 is installed on the side surface of the driven gear I5, the bottom end of the rotating shaft of the driving gear I6 is rotatably connected with the top surface of the rotating base 3, and the top end of the rotating shaft of the driving gear I6 is fixedly connected with the bevel gear I7; a user can rotate the first rotating handle 10 to enable the connecting rod 9 to drive the second bevel gear 8 to rotate, and then the second bevel gear 8, the first bevel gear 7, the first driving gear 6 and the first driven gear 5 are in meshing transmission, so that the rotating base 3 horizontally rotates on the base 1, and the wire reeling and unreeling angle of the cable rack is changed.

Specifically, the number of teeth of the first driving gear 6 is not more than 1/2 of the number of teeth of the first driven gear 5; the speed reduction structure formed by the first driving gear 6 and the first driven gear 5 can improve the output torque of the first rotating handle 10 for users, and is convenient for the users to adjust and rotate the rotating base 3 and the cable frame structure above the rotating base 3.

Specifically, the number of the supporting beads 2 is multiple, the supporting beads 2 are smooth stainless steel round beads, and the top surface of the base 1 and the bottom surface of the rotating base 3 are both provided with annular limiting grooves adapted to mount the supporting beads 2; the supporting beads 2 can play a role in bearing and supporting, and the rotating base 3 can be ensured to stably rotate on the base 1.

Specifically, the base 1 is a flat cylindrical structure, and a cylindrical groove body connected with the curved side surface of the base 1 in a sliding manner is formed in the bottom surface of the rotating base 3; install the rotation base 3 on base 1 from top to bottom and can avoid grit foreign matter etc. to get into the inside of rotating base 3 from base 1 and the joint gap department of rotating base 3 under the action of gravity to cause wearing and tearing to base 1, support pearl 2, the surface of rotating base 3, influence the performance of this cable rack.

The working principle and the using process of the invention are as follows: when the wire arranging work is carried out, one operator penetrates one end of a cable wire arranged on the winding wheel 13 through the middle of the guide wheel 20 and pulls the head end of the cable wire to advance to the laying position, the other operator rotates the second rotating handle 22 to enable the second rotating handle 22 to drive the worm 216 to rotate, the worm 216 is meshed with the transmission worm wheel 215 after rotating, the worm wheel 215 simultaneously drives the fourth bevel gear 214 to rotate, the fourth bevel gear 214 is further meshed with the third transmission bevel gear 213 to enable the third bevel gear 213 to drive the second driving gear 211 to rotate, the second driving gear 211 is finally meshed with the second driving gear 212 to enable the second driving gear 212 to drive the driving belt wheel 14 and the winding wheel 13 to rotate, after the winding wheel 13 rotates, the cable wire wound on the winding wheel 13 is discharged through the guide wheel 20, meanwhile, after the driving belt wheel 14 rotates, the driving belt wheel 15 drives the driven belt wheel 16 to rotate, the traction sliding table 18 is driven to reciprocate left and right on the reciprocating screw rod 17 under the limiting action of the guide rod 19, so that wire arrangement is automatically carried out in the wire arrangement process, and the winding wheel 13 is reversely rotated when a wire is wound; when the angle of the take-up and pay-off wires of the cable rack needs to be adjusted, a user can rotate the first rotating handle 10 to enable the connecting rod 9 to drive the second bevel gear 8 to rotate, the second bevel gear 8 is further meshed with the first transmission bevel gear 7, the first bevel gear 7 drives the first driving gear 6 to rotate, the first driving gear 6 is further meshed with the first transmission driven gear 5, and therefore the rotating base 3 horizontally rotates on the base 1, the angle of the take-up and pay-off wires of the cable rack is changed, the supporting beads 2 can play a role in bearing and supporting, and the rotating base 3 can stably rotate on the base 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric automatization engineering construction is with cable frame which characterized in that: including rotating base (3), it has preceding supporting arm (11) and back supporting arm (12) to rotate base (3) top surface fixed mounting, the upper end of back supporting arm (12) is rotated and is installed wind-up wheel (13), wind-up wheel (13) are connected reciprocal lead screw (17) through drive pulley (14), drive belt (15), driven pulley (16) transmission, the transmission is connected with on reciprocal lead screw (17) and is drawn slip table (18), the downside of drawing slip table (18) is rotated and is installed guide pulley (20), the lower extreme sliding connection guide arm (19) of drawing slip table (18), the one end of wind-up wheel (13) pivot is connected turning handle two (22) through last gear box (21) transmission, the downside of preceding supporting arm (11) is rotated and is installed connecting rod (9), the one end fixedly connected with turning handle one (10) of connecting rod (9), the other end of connecting rod (9) rotates the medial surface of connecting gear box (4) down, the part fixed mounting of connecting rod (9) in gear box (4) down has bevel gear two (8), bevel gear two (8) meshing transmission fixed mounting is in the epaxial bevel gear (7) of the pivot of drive gear (6), drive gear (6) meshing transmission driven gear (5), the pivot of driven gear (5) is rotated and is link up the top surface of rotating base (3) and fixed connection base (1), roll between the bottom surface of rotating base (3) and the top surface of base (1) and install support pearl (2).

2. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: go up the inside fixed mounting of gearbox (21) has drive gear two (211), driven gear two (212), bevel gear three (213), bevel gear four (214), worm wheel (215), worm (216), driven gear two (212) meshing connection downside drive gear two (211), the one end of drive gear two (211) pivot is rotated and is link up the side of gearbox (21) and rotate the side of connecting back supporting arm (12), the pivot of driven gear two (212) is rotated and is link up the side of gearbox (21) and the one end of fixed connection rolling wheel (13) pivot, the number of teeth of driven gear two (212) is not more than the 1/2 of the number of teeth of drive gear two (211).

3. The cable rack for construction of the electrical automation engineering as claimed in claim 2, wherein: a third bevel gear (213) is fixedly mounted on a rotating shaft of the second driving gear (211), the third bevel gear (213) is meshed with a fourth bevel gear (214) on the transmission side, a worm wheel (215) is fixedly mounted on a rotating shaft of the fourth bevel gear (214), the worm wheel (215) is meshed with a worm (216) on the transmission lower side, and one end of the worm (216) is rotatably penetrated through the side surface of the upper gearbox (21) and is fixedly connected with a second rotating handle (22).

4. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: preceding support arm (11) set up in the place ahead of back support arm (12), the both ends of reciprocal lead screw (17) are rotated and are connected the side upper end of preceding support arm (11), driving pulley (14) fixed mounting is in the pivot of wind-up wheel (13), driving pulley (14) pass through drive belt (15) transmission and connect driven pulley (16), driven pulley (16) fixed mounting is in the one end of reciprocal lead screw (17).

5. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: the lower extreme level of drawing slip table (18) sets up the through-hole of sliding connection guide arm (19), guide arm (19) set up in the perpendicular below of reciprocal lead screw (17) and parallel with reciprocal lead screw (17), the side of both ends fixed connection front support arm (11) of guide arm (19).

6. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: driven gear (5), drive gear (6), bevel gear (7), bevel gear two (8) are all installed in the inside of gear box (4) down, the top surface center of the pivot bottom fixed connection base (1) of driven gear (5), the side at driven gear (5) is installed in drive gear (6), the top surface of rotating base (3) is connected in the rotation of the pivot bottom of drive gear (6), the pivot top fixed connection bevel gear (7) of drive gear (6).

7. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: the number of teeth of the first driving gear (6) is not more than 1/2 of the number of teeth of the first driven gear (5).

8. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: the supporting beads (2) are multiple in number, the supporting beads (2) are smooth stainless steel round beads on the surface, and annular limiting grooves matched with the supporting beads (2) are formed in the top surface of the base (1) and the bottom surface of the rotating base (3).

9. The cable rack for construction of the electrical automation engineering according to claim 1, characterized in that: the base (1) is of a flat cylindrical structure, and a cylindrical groove body which is connected with the curved surface side face of the base (1) in a sliding mode is formed in the bottom face of the rotating base (3).