CN112441473A

CN112441473A - Recovery device applied to urban underground power transmission line

Info

Publication number: CN112441473A
Application number: CN202011336482.XA
Authority: CN
Inventors: 刘超; 陈在新; 汪渊; 唐小疆; 赵冲; 陈莉; 胡杰; 沈斌
Original assignee: State Grid Sichuan Electric Power Co Ltd
Current assignee: State Grid Sichuan Electric Power Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-05

Abstract

The invention provides a recovery device applied to urban underground power transmission lines, which comprises a base, a winding mechanism and a cleaning mechanism, wherein the winding mechanism is arranged on the base and is used for dragging the power transmission lines; the cleaning mechanism comprises a cleaning bin, and a cleaning component, a spraying component and a drying component which are sequentially arranged in the cleaning bin along the traction direction of the power transmission line. The problem of current city underground transmission line power transmission line recovery efficiency not high, slow to the artifical scrubbing efficiency of power transmission line is solved, realized the power transmission line at rolling in-process self-cleaning's purpose, improved the recovery efficiency of power transmission line, prolonged the time cycle of power transmission line secondary use indirectly, practiced thrift smart power grids's construction cost.

Description

Recovery device applied to urban underground power transmission line

Technical Field

The invention relates to the field of power transmission line recovery devices, in particular to a recovery device applied to urban underground power transmission lines.

Background

In modern urban development, as an important component of a smart power grid, power transmission lines in a power grid are laid in underground pipe galleries and are led to thousands of households in the city, and some power transmission lines are not used for a long time due to being installed in the underground pipe galleries and need to be recycled and then used in other power transmission lines. The existing recovery power transmission mode is as follows: the power transmission line that operating personnel laid with the hoist engine in with the underground pipe gallery drags the power transmission line and causes the winding dish to roll up on the reel, the power transmission line is because of laying in the underground pipe gallery for a long time, the outer wall of power transmission line and the long-term contact of moist air circumstance around, can glue one deck dust on the power transmission line, stubborn dirt such as greasy dirt, consequently before coiling, need artifical length along the power transmission line to advance to brush after removing the dirt operation can drag to coil and lay other places to the lateral wall of power transmission line, with extension power transmission line secondary life cycle.

Above-mentioned recovery mode has not only wasted a large amount of times when the recovery of power transmission line, and the mode work efficiency of brushing the dirt to the outer wall of power transmission line in the manual work is slow moreover, and has clean not thorough problem, has influenced power transmission line secondary practicality, consequently needs the power transmission line recovery unit who designs an automatic scrubbing and accomplish rolling work.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the recovery device applied to the urban underground power transmission line, solves the problems of low recovery efficiency and low manual decontamination efficiency of the existing urban underground power transmission line, realizes the purpose of automatic cleaning of the power transmission line in the winding process, improves the recovery efficiency of the power transmission line, indirectly prolongs the time period of secondary use of the power transmission line, and saves the construction cost of the smart grid.

In order to achieve the purpose, the invention adopts the following technical scheme:

a recovery device applied to urban underground power transmission lines comprises a base, a winding mechanism arranged on the base and used for dragging the power transmission lines, and a cleaning mechanism used for removing dirt on the outer walls of the power transmission lines in the dragging process; the cleaning mechanism comprises a cleaning bin, and a cleaning assembly, a spraying assembly and a drying assembly which are sequentially arranged in the cleaning bin along the traction direction of the power transmission line, wherein the cleaning assembly comprises a washing barrel which is rotatably sleeved on the power transmission line and a plurality of groups of washing layers which are axially constructed along the inner wall of the washing barrel, and a plurality of washing nails used for wiping dirt on the outer wall of the power transmission line are fixedly connected to each group of washing layers; the spraying assembly comprises a spray removing device which is arranged in the cleaning bin and is used for spraying the outer wall of the power transmission line after dirt wiping operation; the drying component comprises a blowing component which is arranged in the cleaning bin and used for air-drying the sprayed power transmission line.

Furthermore, the lengths of the brushing nails on each group of brushing layers are gradually increased along the traction direction of the power transmission line, and a plurality of brushing nails on each group of brushing layers are arranged at intervals in the circumferential direction of the brushing cylinder.

Further, the cleaning assembly further comprises a liquid supply assembly for supplying cleaning liquid into the washing cylinder: the liquid supply assembly comprises a liquid supply box fixedly arranged on the cleaning bin, a through hole constructed on the washing cylinder and a pump pipe communicated between the liquid supply box and the through hole.

Preferably, the washing barrel is rotatably sleeved on the power transmission line through the supporting unit; the supporting unit comprises a bearing frame fixed on the inner wall of the cleaning bin, a supporting cylinder fixed on the bearing frame and sleeved on the power transmission line, and a rotating disc constructed at the bottom of the supporting cylinder and rotationally connected with the washing cylinder.

Preferably, the washing drum is rotatably connected with the rotating disc through a rotating part; the rotating part comprises a plurality of rotating bearings which are circumferentially arranged on the washing cylinder at intervals and a ring groove which is circumferentially formed on the end surface of the rotating disc and used for moving each rotating bearing.

Furthermore, the cleaning assembly also comprises a driving unit for driving the cleaning barrel to rotate around the axis of the power transmission line; the driving unit comprises a gear ring which is constructed along the circumferential direction of the outer wall of the deicing cylinder, a gear which is rotatably connected to the supporting cylinder and is meshed with the gear ring, and a driving motor which is detachably mounted on the bearing frame and is used for driving the gear to rotate.

Preferably, the blowing assembly comprises an air inlet barrel communicated with the outside of the cleaning bin, a blower fixed on the air inlet barrel and a heating wire arranged at an air outlet of the blower.

Preferably, the winding mechanism comprises a support column fixed on the base, a winding shaft rotatably connected to the support column and used for limiting the winding drum, and a transmission part for driving the winding shaft to perform winding operation; the transmission part comprises a servo motor arranged on the support column and a transmission belt connected between the winding shaft and an output shaft of the servo motor.

Further, the winding shaft is detached or fastened with the winding drum through a limiting part: the locating part includes that a plurality of interval arrangement is at the epaxial spacing groove of rolling, with a plurality of stoppers of each spacing groove cooperation grafting and install in the rolling axle and drive the stopper along rolling axle radial movement's servo cylinder, each the stopper is constructed with the skid resistant course towards the one side of reel, and each stopper deviates from skid resistant course one side fixed connection on servo cylinder's gas pole.

The principle of the technical scheme is as follows: cleaning operation is carried out on stubborn dirt adhered to the outer wall of the power transmission line through a cleaning mechanism added in the process of recovering and dragging the power transmission line, the cleaning operation is mainly characterized in that the dirt adhered to the outer wall of the power transmission line is rubbed by a washing nail in a washing component under the rotation of a washing cylinder and is matched with cleaning liquid to realize the washing effect, the dirt brushing operation is formed, then, the residual cleaning liquid after washing on the power transmission line is washed, finally, the air drying component is used for air drying the power transmission line, and clean power transmission lines are coiled to the winding cylinder from a cleaning bin.

Compared with the prior art, the invention has the following beneficial effects:

compared with the existing winding mechanism and the operation mode of manually cleaning the outer wall of the power transmission line, the winding mechanism has the advantages that when the winding mechanism tows the power transmission line, the rotating sleeve on the cleaning assembly is sleeved on the washing cylinder on the power transmission line, the plurality of washing nails are axially constructed along the inner wall of the washing cylinder to achieve dirt cleaning on the outer wall of the power transmission line, the spraying assembly is used for spraying on the outer wall of the power transmission line after the dirt cleaning to clean cleaning liquid and residual dirt particles, finally, the air drying assembly is used for carrying out air drying operation on the power transmission line, the winding mechanism tows the clean power transmission line and enables the clean power transmission line to be wound on the winding drum, automatic dirt cleaning operation on the power transmission line is achieved, the mode of manually cleaning the power transmission line section by section is eliminated, the recovery efficiency of the urban underground power transmission line is improved, the secondary practical.

Drawings

FIG. 1 is a front view of a recycling apparatus in an embodiment of the present invention.

FIG. 2 is a schematic view of the internal structure of the cleaning chamber according to the embodiment of the present invention.

Fig. 3 is a schematic structural view of a scrubbing assembly in an embodiment of the present disclosure.

Fig. 4 is a schematic cross-sectional view at a-a of fig. 3.

Fig. 5 is a schematic cross-sectional view at B-B of fig. 3.

Fig. 6 is a schematic structural diagram of a winding mechanism in the embodiment of the present invention.

Reference numerals:

10. a base; 2. cleaning the bin; 20. a pair of roller pulleys; 21. a partition plate; 22. a liquid outlet pipe; 31. a support pillar; 32. a winding shaft; 33. a limiting groove; 34. a limiting block; 35. a gas lever; 36. a servo motor; 37. a transmission belt; 38. an anti-slip layer; 41. a support cylinder; 42. rotating the disc; 43. a ring groove; 44. a rotating bearing; 45. a liquid discharge pipe; 46. through the hole; 51. a liquid supply tank; 52. a pump tube; 6. a washing and brushing cylinder; 60. a through hole; 61. washing nails; 64. a ring gear; 65. a carrier; 66. a drive motor; 67. a mechanical torque converter; 68. a gear; 7. a spray box; 71. a sprayer; 81. a blower; 82. an air inlet cylinder; 83. an electric heating wire; 9. a power transmission line; 91. and (4) winding the drum.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

Referring to fig. 1 and 6, the recovery device applied to the urban underground transmission line according to the embodiment of the invention comprises a base 10 and a winding mechanism installed on the base 10 for dragging the transmission line 9, wherein the winding mechanism comprises a supporting column 31 fixed on the base 10, a winding shaft 32 rotatably connected to the supporting column 31 for limiting a winding drum 91, and a transmission member for driving the winding shaft 32 to perform winding operation; the transmission member in this embodiment includes a servo motor 36 installed on the supporting column 31, and its specific installation structure is: a rotating hole (not shown in the figure) is formed in the supporting column 31, the winding shaft 32 is rotatably connected in the rotating hole through a bearing (not shown in the figure) and is in belt transmission connection with an output shaft of the servo motor 36 through a transmission belt 37, and the servo motor 36 drives the winding shaft 32 to rotate so as to wind the transmission line 9.

Referring to fig. 6, as an embodiment of the present invention, the winding shaft 32 detaches or fixes the winding drum 91 through a stopper; the concrete structure is as follows: the limiting part comprises a plurality of limiting grooves 33 arranged on the winding shaft 32 at intervals, a plurality of limiting blocks 34 inserted into the limiting grooves 33 in a matched mode, and a servo cylinder (not shown in the figure) installed in the winding shaft 32 and driving the limiting blocks 34 to move along the radial direction of the winding shaft 32, wherein an anti-skid layer 38 is constructed on one surface, facing the winding drum 91, of each limiting block 34, and one surface, facing away from the anti-skid layer 38, of each limiting block 34 is fixedly connected to an air rod 35 of the servo cylinder. In this embodiment, each of the limiting grooves 33 is opened toward the axis of the winding shaft 32, and each of the servo motors 36 drives the limiting block 34 to be away from or toward the inner wall of the winding drum 91, so that the anti-skid layer 38 of the limiting block 34 is separated from or closely attached to the inner wall of the winding drum 91 to limit or separate the winding drum 91. In this embodiment, the anti-slip layer 38 is made of rubber material to prevent the reel 91 from slipping during the rotation of the winding shaft 32.

Referring to fig. 1 and 2, the recovery device further comprises a cleaning mechanism for removing dirt on the outer wall of the power transmission line 9 during traction: this cleaning mechanism includes clean storehouse 2, the entering end and the output of power transmission line 9 have been seted up on clean storehouse 2, and the entering end and the output of clean storehouse 2 all adopt the pair roller pulley 20 of rotating connection on clean storehouse 2 inner wall to transmit power transmission line 9 in this embodiment, along the washing subassembly, spray assembly and the dry subassembly that the direction of power transmission line 9 towing arranged in proper order in clean storehouse 2. The structure and the realization principle of the cleaning assembly are as follows:

referring to fig. 2 and 3, the cleaning assembly includes a washing cylinder 6 rotatably sleeved on the power transmission line 9, a plurality of washing layers axially formed along the inner wall of the washing cylinder 6, and a plurality of washing nails 61 fixedly connected to each washing layer for removing dirt on the outer wall of the power transmission line 9, and further includes a driving unit for driving the washing cylinder 6 to rotate around the axial line of the power transmission line 9. The lengths of the scrubbing nails 61 on each group of scrubbing layers increase one by one along the traction direction of the power transmission line 9, and a plurality of scrubbing nails 61 on each group of scrubbing layers are arranged at intervals in the circumferential direction of the scrubbing cylinder 6. In this embodiment, the washing cylinder 6 is rotatably sleeved on the power transmission line 9 through the supporting unit, the washing cylinder 6 is rotated around the axis of the power transmission line 9 under the driving of the driving unit, the scrubbing nails 61 located on the inner wall of the washing cylinder 6 rub the dirt on the outer wall of the power transmission line 9 in the dragging process under the rotation of the washing cylinder 6, and the purpose that the scrubbing nails 61 are increased one by one along the dragging direction of the power transmission line 9 is that: the power transmission line 9 is penetrated into the washing barrel 6 from the input end of the cleaning bin by manpower, the outermost layer of dirt of the power transmission line 9 is rubbed off by the most end washing nail 61 on the inner wall of the washing barrel 6 in the dragging process, then the outermost layer of dirt is rubbed by the layer-by-layer friction pad along with the power transmission line 9 in the dragging process, when the power transmission line 9 reaches the other end of the washing barrel 6, the washing nail is the longest and is contacted with the outer wall of the power transmission line 9, so that the dirt on the power transmission line 9 is erased, and a liquid supply assembly for providing cleaning liquid in the washing barrel 6 is further arranged in the cleaning bin 2: the liquid supply assembly comprises a liquid supply tank 51 fixedly arranged on the cleaning bin 2, a through hole 60 formed on the washing cylinder 6 and a pump pipe 52 communicated between the liquid supply tank 51 and the through hole 60, the pump pipe 52 is transmitted to the washing cylinder 6 through cleaning liquid stored in the liquid supply tank 51, and the cleaning liquid flows onto the power transmission line 9 and the washing nails 61 under the action of the through hole 60 to achieve a washing effect, so that dirt is favorably wiped. The material of the scrubbing nails 61 is in this embodiment selected to be a resilient plastic, such as rubber, that provides effective friction against the outer wall of the power line 9.

Referring to fig. 2, 3 and 4, the supporting unit according to another embodiment of the present invention comprises a supporting frame 65 fixed on the inner wall of the cleaning chamber 2, a supporting cylinder 41 fixed on the supporting frame 65 and sleeved on the power line 9, and a rotating disc 42 configured at the bottom of the supporting cylinder 41 and rotatably connected to the washing cylinder 6. The washing drum 6 is rotatably connected with the rotating disc 42 through a rotating part: the rotor comprises a plurality of rotary bearings 44 circumferentially spaced on the washing cylinder 6 and a ring groove 43 circumferentially configured on the end surface of the rotary disk 42 for the movement of each rotary bearing 44. The rotation bearing 44 on the washing drum 6 is made to slide in the slide groove by the action of the driving unit, so that the washing drum 6 is rotated. The sidewall of the supporting cylinder 41 is engaged with the through hole 46 to allow the cleaning liquid in the pump pipe 52 to be sprinkled onto the washing cylinder 6 through the through hole 46, and the bottom of the supporting cylinder 41 is provided with the drain pipe 45, and the drain pipe 45 discharges the fluid state mixed with the dirt during cleaning so as not to block the washing cylinder 6.

Referring to fig. 3 and 5, as an embodiment of the present invention, the driving unit includes a ring gear 64 configured along a circumferential direction of an outer wall of the deicing cylinder, a gear 68 rotatably coupled to the support cylinder 41 and engaged with the ring gear 64, and a driving motor 66 detachably mounted to the carrier 65 for driving the gear 68 to rotate. In the embodiment, two sets of driving units are arranged at intervals, the output shaft of the driving motor 66 on the bearing frame 65 is also connected with a mechanical torque converter 67 in the prior art, the mechanical torque converter 67 realizes that the output shaft of the driving motor 66 outputs larger torque force, and then the output torque force of the gear 68 is improved, so that the scrubbing nails 61 can effectively wipe dirt on the power transmission lines 9.

Referring to fig. 2, the spraying assembly comprises a sprayer 71 which is installed in a cleaning bin 2 and used for spraying on a power transmission line 9 after dirt erasing operation, a spraying box 7 is further arranged on the cleaning bin 2, clear water is stored in the spraying box 7 in advance, water supply to the sprayer 71 is achieved, the sprayer 71 adopts a high-pressure sprayer 71 in the prior art, cleaning liquid and residual dirt particles on the outer wall of the power transmission line 9 are sprayed and washed, the spraying liquid (water) can fall into the bottom of the cleaning bin 2, and a liquid outlet pipe 22 which discharges waste liquid outwards is arranged at the bottom of the cleaning bin 2. The drying assembly comprises a blowing assembly which is arranged in the cleaning bin 2 and is used for air-drying the sprayed power transmission line 9.

Referring to fig. 2, in the present embodiment, the blowing assembly includes an air inlet drum 82 communicating with the outside of the cleaning chamber 2, a blower 81 fixed to the air inlet drum 82, and a heating wire 83 installed at an air outlet of the blower 81. The blowing assembly and the spraying assembly are isolated from each other through the partition plate 21 fixed on the inner wall of the cleaning bin 2, and the sprayed water is prevented from splashing on the air-dried power transmission line 9. During the use, the hair-dryer 81 is bloied and is formed hot-blastly and blow to power transmission line 9 after heating through heating wire 83, and then realizes the air-dry to power transmission line 9 outer wall, makes things convenient for subsequent rolling operation.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a be applied to recovery unit of city underground power transmission line, includes base (10) and installs the winding mechanism that is used for towing power transmission line (9) on base (10), its characterized in that: the device also comprises a cleaning mechanism for removing dirt on the outer wall of the power transmission line (9) in the traction process;

clean mechanism is including clean storehouse (2), along washing subassembly, spray set and the dry subassembly that direction that power transmission line (9) dragged was arranged in proper order in clean storehouse (2), wherein:

the cleaning assembly comprises a cleaning barrel (6) which is rotatably sleeved on the power transmission line (9) and a plurality of groups of cleaning layers which are axially constructed along the inner wall of the cleaning barrel (6), and a plurality of cleaning nails (61) which are used for cleaning dirt on the outer wall of the power transmission line (9) are fixedly connected to each group of cleaning layers;

the spraying assembly comprises a spray removing device (71) which is arranged in the cleaning bin (2) and is used for spraying the outer wall of the power transmission line (9) after dirt wiping operation;

the drying component comprises a blowing component which is arranged in the cleaning bin (2) and used for air-drying the sprayed power transmission line (9).

2. The recovery device applied to urban underground transmission lines according to claim 1, characterized in that: the lengths of the scrubbing nails (61) on each group of scrubbing layers are gradually increased along the dragging direction of the power transmission line (9), and a plurality of scrubbing nails (61) on each group of scrubbing layers are arranged at intervals in the circumferential direction of the scrubbing cylinder (6).

3. The recovery device applied to urban underground transmission lines according to claim 2, characterized in that: the cleaning assembly also comprises a liquid supply assembly for supplying cleaning liquid into the washing barrel (6);

the liquid supply assembly comprises a liquid supply box (51) fixedly arranged on the cleaning bin (2), a through hole (60) constructed on the washing cylinder (6) and a pump pipe (52) communicated between the liquid supply box (51) and the through hole (60).

4. The recovery device applied to urban underground transmission lines according to claim 3, characterized in that: the washing drum (6) is rotatably sleeved on the power transmission line (9) through the supporting unit;

the supporting unit comprises a bearing frame (65) fixed on the inner wall of the cleaning bin (2), a supporting cylinder (41) fixed on the bearing frame (65) and sleeved on the power transmission line (9), and a rotating disc (42) constructed at the bottom of the supporting cylinder (41) and rotatably connected with the washing cylinder (6).

5. The recovery device applied to urban underground transmission lines according to claim 4, characterized in that: the washing drum (6) is rotationally connected with the rotating disc (42) through a rotating part;

the rotating part comprises a plurality of rotating bearings (44) which are arranged on the washing cylinder (6) at intervals in the circumferential direction and a ring groove (43) which is formed on the end surface of the rotating disc (42) in the circumferential direction and used for moving each rotating bearing (44).

6. The recovery device applied to urban underground transmission lines according to claim 5, characterized in that: the cleaning assembly also comprises a driving unit for driving the cleaning barrel (6) to rotate around the axis of the power transmission line (9);

the drive unit comprises a gear ring (64) which is configured along the circumferential direction of the outer wall of the washing drum (6), a gear (68) which is rotatably connected to the supporting drum (41) and is meshed with the gear ring (64), and a drive motor (66) which is detachably arranged on the bearing frame (65) and is used for driving the gear (68) to rotate.

7. The recovery device applied to urban underground transmission lines according to claim 6, characterized in that: the blowing assembly comprises an air inlet cylinder (82) communicated with the outside of the cleaning bin (2), a blower (81) fixed on the air inlet cylinder (82) and a heating wire (83) arranged at an air outlet of the blower (81).

8. The recovery device applied to urban underground transmission lines according to claim 7, characterized in that: the winding mechanism comprises a supporting column (31) fixed on the base (10), a winding shaft (32) rotatably connected to the supporting column (31) and used for limiting the winding drum (91), and a transmission piece for driving the winding shaft (32) to perform winding operation.

9. The recovery device applied to urban underground transmission lines according to claim 8, characterized in that: the transmission piece comprises a servo motor (36) arranged on the base (10) and a transmission belt (37) connected between the take-up shaft (32) and an output shaft of the servo motor (36).

10. The recovery device applied to urban underground transmission lines according to claim 9, characterized in that: the winding shaft (32) is detached or fastened with the winding drum (91) through a limiting piece;

the locating part includes that a plurality of interval is arranged spacing groove (33) on rolling axle (32), with a plurality of stopper (34) of each spacing groove (33) cooperation grafting and install in rolling axle (32) and drive stopper (34) along rolling axle (32) radial movement's servo cylinder, wherein:

each limiting block (34) is provided with an anti-slip layer (38) on the surface facing the winding drum (91), and each limiting block (34) is fixedly connected to the air rod (35) of the servo cylinder on the surface facing away from the anti-slip layer (38).