CN117261732B - Multifunctional service vehicle for photovoltaic road set maintenance - Google Patents
Multifunctional service vehicle for photovoltaic road set maintenance Download PDFInfo
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- CN117261732B CN117261732B CN202311549157.5A CN202311549157A CN117261732B CN 117261732 B CN117261732 B CN 117261732B CN 202311549157 A CN202311549157 A CN 202311549157A CN 117261732 B CN117261732 B CN 117261732B
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- 238000012423 maintenance Methods 0.000 title claims abstract description 82
- 230000007723 transport mechanism Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 29
- 230000008859 change Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000002829 reductive effect Effects 0.000 abstract description 12
- 230000032258 transport Effects 0.000 description 21
- 230000000670 limiting effect Effects 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006563 Carroll rearrangement reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000008531 maintenance mechanism Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The application relates to a photovoltaic road is established and is overhauld multi-functional service car relates to photovoltaic road and establishes the technical field of overhauling, including automobile body, maintenance device includes: a placement rail arranged on the vehicle body; a plurality of mobile trolleys which roll on the placement rail and are provided with standby photovoltaic road equipment; the maintenance platform is arranged on the vehicle body and is used for maintaining the photovoltaic road; and the transport mechanism is arranged on the vehicle body and used for transporting the photovoltaic road equipment to the mounting point or the moving trolley. The utility model provides a through transport mechanism with the photovoltaic way of waiting to maintain transport place the travelling car on, then with reserve photovoltaic way set take off install the mounting point on, new photovoltaic way is established and can be operated, uses maintenance tool and maintenance platform to maintain photovoltaic way simultaneously to the photovoltaic way has significantly reduced the photovoltaic way and has established the unusual time of operation, has guaranteed the safety in production of strip mine with this.
Description
Technical Field
The application relates to the technical field of photovoltaic road set maintenance, in particular to a multifunctional service vehicle for photovoltaic road set maintenance.
Background
During daily mining operations of strip mines, the safety of the strip mines is put on the first place. The mine road is a necessary road for large mining and transportation equipment, and in order to ensure normal safety and orderly equipment scheduling and running, each large strip mine is provided with a photovoltaic road warning device which uses solar energy (photovoltaic) power generation as power.
The photovoltaic road is established including base, the installation pole, photovoltaic board and display board, installation pole fixed mounting is on the base upper surface, and photovoltaic board fixed mounting is on the installation pole, simultaneously display board fixed mounting is on the installation pole top, because mining area weather is special, the sand dust is great, this kind of photovoltaic road is established the fault rate is high, photovoltaic board and display board position are all higher simultaneously, make the maintenance task big, and go on in the open air basically, lack necessary maintenance condition, such as the power, overhaul platform etc. and lead to the maintenance extremely inconvenient, make the photovoltaic road establish the maintenance can take longer, consequently, make maintenance time longer when a plurality of photovoltaic roads establish when damaging, photovoltaic road is established the time of operation anomaly, thereby greatly reduced photovoltaic module's warning function, thereby cause adverse effect to the safety in open air mine.
Disclosure of Invention
In order to ensure the safe production of the strip mine, the application provides a multifunctional service vehicle for overhauling the photovoltaic road.
The application provides a photovoltaic road is established and is overhauld multi-functional service car adopts following technical scheme:
the utility model provides a photovoltaic road is established and is overhauld multi-functional service car, including the automobile body that is equipped with maintenance tool, set up the power on the automobile body and overhaul the device that overhauls to photovoltaic road, overhaul the device and include:
the placing rail is arranged on the vehicle body;
the movable trolleys roll on the placement rail and are provided with standby light Fu Lu equipment, and each movable trolley is provided with a positioning assembly for positioning the photovoltaic road equipment;
the maintenance platform is arranged on the vehicle body, is positioned on one side of the placement rail and is used for maintenance of the photovoltaic road after the staff climbs;
the transportation mechanism is arranged on the vehicle body and used for clamping the photovoltaic road equipment and transporting the photovoltaic road equipment to the mounting point or the movable trolley.
By adopting the technical scheme, the vehicle body moves to drive the maintenance tool, the power supply and the maintenance device to move in the mining area road, and the movable trolley is provided with the standby light Fu Lu equipment, so that when the photovoltaic road equipment has a problem, the maintenance tool is used for checking the photovoltaic road equipment, and the maintenance tool can be used for carrying out maintenance quickly and successfully; when the photovoltaic road equipment can not be quickly maintained, the photovoltaic road equipment to be maintained is dismantled, the transport mechanism is started to transport and place the photovoltaic road equipment to be maintained on the mobile trolley, the positioning assembly is used for positioning the mobile trolley, then the transport mechanism is used for taking down and installing the standby photovoltaic road equipment on the installation point, and the new photovoltaic road equipment can be operated, so that the abnormal operation time of the photovoltaic road equipment is greatly shortened, and the safety production of the strip mine is guaranteed.
Meanwhile, maintenance tools are used for continuously maintaining the photovoltaic road equipment to be maintained, workers can climb the maintenance platform to maintain the photovoltaic module located at a high position, so that maintenance time of the photovoltaic road equipment is greatly shortened, the maintained photovoltaic road equipment can be converted into standby light Fu Lu equipment as soon as possible, risks of prolonged time due to the fact that the standby photovoltaic road equipment is not available are reduced, the circulation is carried out, abnormal operation time of the photovoltaic road equipment is greatly reduced, warning function of the photovoltaic road equipment is improved, and safe production of strip mines is guaranteed.
Optionally, the positioning assembly includes:
the positioning plate is arranged on the mobile trolley and is used for being abutted against the base to position;
the first positioning ring is arranged on the mobile trolley and is used for being abutted against the mounting rod to position;
the first locating ring is rotatably arranged on the first locating ring, and the locating screw rod which is in threaded connection with the first locating ring for locating is connected with the other end of the second locating ring in a threaded manner, so that the first locating ring and the second locating ring are matched and clamp the installation rod.
Through adopting above-mentioned technical scheme, place the base on the travelling car upper surface, then promote the base and contradict to the locating plate on location, first holding ring supports simultaneously and fixes a position on the installation pole, then rotate second holding ring and be close to first holding ring and installation pole for the second holding ring supports and fixes a position on first holding ring, then twist and fix a position on the screw rod threaded connection first holding ring, consequently second holding ring and first holding ring cooperation centre gripping installation pole, thereby fix a position the photovoltaic way to the stability after the photovoltaic way is established and is installed on the travelling car has been improved, the probability that damage takes place in the photovoltaic way that lies in the travelling car has been reduced, consequently, the safety in production of open-air mine has further been guaranteed.
Optionally, the maintenance platform and the transport mechanism are located at two ends of the placing track, a plurality of travelling wagons are arranged at intervals along the length direction of the placing track, and a change mechanism for moving the travelling wagons located at one end of the placing track closest to the transport mechanism to one end closest to the maintenance platform is arranged on the car body.
Through adopting above-mentioned technical scheme, demolish the photovoltaic way of waiting to maintain and establish the back, the manual work uses instrument or transport mechanism to start to move the photovoltaic way of waiting to maintain to one side of mounting point, then transport mechanism starts to take off the photovoltaic Fu Lu that is closest to transport mechanism that is farthest from the maintenance platform and establishes, then install the mounting point with photovoltaic way, transport mechanism starts simultaneously and transports the photovoltaic way of waiting to maintain to the travelling car that is closest to transport mechanism one side, consequently demolish photovoltaic way and establish the back and move to mounting point one side, then transport the new photovoltaic way to the travelling car after, with the photovoltaic module of waiting to maintain on, then the photovoltaic way of waiting to maintain is established and is maintained, make the new light Fu Lu of installation establish, transport and even maintain and establish and go on simultaneously with the photovoltaic way of waiting to maintain, consequently, the efficiency of maintaining has been saved greatly, the time of photovoltaic way to establish the operation anomaly has further been guaranteed the safety in production of open-air mine.
The change mechanism starts to remove the travelling car that is equipped with the photovoltaic road that waits to repair from placing the track, then a plurality of travelling cars are close to transport mechanism and keep away from the maintenance platform simultaneously for leave the space of placing on the track of placing between a plurality of travelling cars and the maintenance platform, then change mechanism starts to remove the travelling car that shifts out to the space of placing, and make the travelling car roll on placing the track, then can utilize the maintenance platform to realize waiting to repair photovoltaic road that waits to repair, and also establish the photovoltaic road that the later reserve and be close to transport mechanism and use, therefore working radius and the degree of difficulty when transport mechanism operates have been reduced, and also increased the quantity of placing the photovoltaic road that is used on the track, therefore save the time of maintenance greatly, maintenance efficiency has been improved, further guaranteed the safety in production of open pit.
Optionally, the exchanging mechanism includes:
the exchange plate is rotatably arranged on the side wall of the car body, and is in a horizontal state when the mobile trolley needs to be exchanged or in a vertical state;
the support piece is rotatably arranged on the vehicle body, is rotatably connected with the exchange plate and is used for driving the exchange plate to rotate;
the moving block is arranged on the exchange plate in a sliding manner, and the sliding direction of the moving block is parallel to the moving direction of the moving trolley;
the moving assembly is arranged on the exchange plate and used for driving the moving block to move;
the lifting piece is arranged on the moving block and vertically lifts when being exchanged;
the telescopic piece is arranged on the lifting piece and moves along the direction close to or far away from the moving trolley, and a plurality of lifting rods for lifting and transporting the moving trolley after being close to the moving trolley are arranged on the telescopic piece.
By adopting the technical scheme, when the mobile trolley needs to be exchanged, the supporting piece starts to drive the exchange plate to rotate to a horizontal state, the mobile block and the plurality of lifting rods correspond to the mobile trolley closest to one side of the conveying mechanism, the telescopic piece starts to drive the plurality of lifting rods to be close to the mobile trolley, then the lifting piece starts to drive the plurality of lifting rods to move upwards so as to lift the mobile trolley, the mobile trolley is separated from the placing rail, then the telescopic piece starts to drive the mobile trolley and the photovoltaic equipment to be maintained to move away from the placing rail, then the mobile assembly starts to drive the mobile block to move, the mobile block moves to drive the photovoltaic equipment to be maintained to be close to the maintenance platform, meanwhile, the plurality of mobile trolleys and the photovoltaic equipment to be maintained are driven to move away from the maintenance platform, so that the plurality of mobile trolleys and the maintenance platform form a placing space, then the telescopic piece starts to drive the mobile trolley and the photovoltaic equipment to be maintained to move downwards, the mobile trolley rolls on the placing rail, and finally the telescopic piece starts to drive the mobile trolley and the photovoltaic equipment to move away from the in-situ to the maintenance mechanism, and the photovoltaic equipment to be maintained is driven by the mobile trolley is driven to move close to the maintenance platform; and after the exchange is finished, the support piece is started to drive the exchange plate to rotate from the horizontal state to the vertical state, so that the space occupied by the exchange mechanism is reduced.
Optionally, the moving assembly includes:
the movable screw rod is rotatably arranged on the exchange plate and is in threaded connection with the movable block;
and the movable motor is arranged on the exchange plate and connected with the movable screw rod.
By adopting the technical scheme, the movable motor is started to drive the movable screw rod to rotate, and the movable screw rod rotates to drive the movable block to move, so that the movable motor drives the movable block to move.
Optionally, the transport mechanism includes:
the rotating seat is rotatably arranged on the vehicle body;
the first driving piece is arranged on the vehicle body and used for rotating the rotating seat;
the first rod body is rotatably arranged on the rotating seat, and the rotating direction of the first rod body is perpendicular to the rotating direction of the rotating seat;
the second rod body is arranged on the first rod body in a sliding manner;
the transport frame is rotatably arranged on the second rod body, and the rotation direction of the transport frame is parallel to the rotation direction of the first rod body;
the second driving parts are respectively used for driving the first rod body, the second rod body and the transportation frame to move;
the clamping assembly is arranged on the transportation frame and used for clamping and positioning the photovoltaic road equipment.
Through adopting above-mentioned technical scheme, first driving piece starts to drive and rotates the seat and rotate, and a plurality of second driving pieces start to drive first body of rod, second body of rod and transportation frame motion to this position of adjusting clamping assembly, and clamping assembly realizes carrying out the centre gripping to photovoltaic road equipment, with this is convenient for transport to photovoltaic road equipment, has improved the convenience when transporting, has improved maintenance efficiency, has further guaranteed the safety in production of strip mine.
Optionally, the clamping assembly includes:
the two clamping plates are oppositely arranged on the transportation frame in a sliding manner and are used for clamping the base;
the two third driving parts are arranged on the transportation frame and used for driving the two clamping plates to move;
a first locking ring disposed on the transport rack and positioned against the mounting bar;
the first locking ring is rotatably arranged on the first locking rod, and the other end of the first locking ring is in threaded connection with a locking screw rod which is in threaded connection with the first locking ring for positioning.
Through adopting above-mentioned technical scheme, the automobile body removes and drives first locking ring and be close to and support and fix a position on the installation pole, then two third driving pieces start and drive two grip blocks and be close to and the centre gripping base, then rotate second locking ring and be close to first locking ring and installation pole, make second locking ring and first locking ring cooperation centre gripping installation pole, twist locking screw threaded connection and on first locking ring and fix a position the second locking ring afterwards, thereby realize carrying out the centre gripping to photovoltaic road setting, stability when having improved carrying out the transportation to photovoltaic road setting, and also improved the convenience when locking the installation pole, further saved the time that transportation photovoltaic road was established, further guaranteed the safety in production of strip mine.
Optionally, positioning grooves for inserting and positioning the base are formed on two opposite side walls of the two clamping plates, and when the base is placed on the upper surface of the mobile trolley, the two clamping plates are located on two sides of the mobile trolley.
Through adopting above-mentioned technical scheme, two constant head tanks are realized fixing a position the base to this has improved the positioning effect of establishing to the photovoltaic road, and the grip block is located the travelling car both sides, so that be convenient for place the base on the travelling car and take off the time base and two constant head tank joint, thereby realize improving the positioning effect and also improved the convenience when placing or taking off the photovoltaic road and establish simultaneously.
Optionally, the travelling car both ends all are provided with the lifting block of in order to lift the pole lifting, adjacent two lifting block on the travelling car supports and lean on together and fix a position, is located travelling car of placing track both ends department one of them is held by transport mechanism and another supports and lean on and fix a position on the maintenance platform.
By adopting the technical scheme, the two lifting blocks are propped against each other to position the two mobile trolleys, so that the photovoltaic road equipment on the two mobile trolleys is positioned, the probability of collision of the two photovoltaic road equipment is reduced, and meanwhile, the lifting blocks are convenient for the lifting rod to extend into for lifting; in the moving process of the vehicle body, the transport mechanism clamps the photovoltaic road equipment to position the movable trolley, and the other movable trolley is propped against the maintenance platform to position, so that the positioning of all the movable trolleys and the photovoltaic road equipment is realized, and the stability of the photovoltaic road equipment is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
the photovoltaic road equipment to be maintained is transported and placed on the travelling car through the transport mechanism, then the standby photovoltaic road equipment is taken down and installed on the installation point, the new photovoltaic road equipment can run, so that the abnormal running time of the photovoltaic road equipment is greatly shortened, safety production of the strip mine is guaranteed, meanwhile, the maintenance tool is used for maintaining the photovoltaic road equipment to be maintained, workers can climb a maintenance platform to maintain the photovoltaic assembly located at a high position, maintenance time of the photovoltaic road equipment is greatly shortened, the maintained photovoltaic road equipment can be converted into standby light Fu Lu equipment as soon as possible, the risk of prolonging the time without the standby photovoltaic road equipment is reduced, and then the circulation is carried out, so that the abnormal running time of the photovoltaic road equipment is greatly reduced, the warning function of the photovoltaic road equipment is improved, and the safety production of the strip mine is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of the placement rail, dolly, and positioning assembly of the present application;
FIG. 3 is a schematic view of the positioning assembly of the present application;
FIG. 4 is a schematic view of the transport mechanism of the present application;
FIG. 5 is a schematic view of the structure of the clamping assembly of the present application;
FIG. 6 is a schematic view of the exchange mechanism and transport mechanism of the present application;
fig. 7 is a schematic partial structure of the exchanging mechanism of the present application.
Reference numerals: 1. a vehicle body; 11. a sweep; 12. a headstock; 13. a hydraulic station; 14. a photovoltaic road is arranged; 15. a base; 16. a mounting rod; 17. a photovoltaic panel; 18. a T supporting leg; 19. a warning board; 2. an overhaul device; 21. placing a rail; 211. a long rail; 22. a moving trolley; 23. a maintenance platform; 24. a roller; 25. a limiting ring; 26. lifting blocks; 27. a mounting base; 28. a fixed rod; 3. a transport mechanism; 31. a rotating seat; 311. a first rotating shaft; 33. a first rod body; 34. a second rod body; 341. a rod body; 35. a transport rack; 351. a transport rod; 352. a second rotating shaft; 36. a second driving member; 37. a clamping assembly; 371. a clamping plate; 372. a third driving member; 373. a first locking ring; 374. a second locking ring; 38. a positioning groove; 39. locking the screw; 4. a positioning assembly; 41. a positioning plate; 42. a first positioning ring; 43. a second positioning ring; 45. positioning a screw; 5. a change mechanism; 51. exchanging the plates; 511. a rotating shaft; 52. a support; 53. a moving block; 54. a lifting member; 55. a telescoping member; 56. a transport plate; 57. a moving plate; 58. a lifting rod; 6. a moving assembly; 61. moving the screw rod; 62. and (3) a moving motor.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
The photovoltaic road is established 14 and is including base 15, installation pole 16, photovoltaic board 17 and warning sign 19, and installation pole 16 fixed mounting just is vertical state on the base 15 upper surface, and photovoltaic board 17 fixed mounting just is used for absorbing light production electric energy on installation pole 16, and warning sign 19 fixed mounting just is used for showing the warning sign on the installation pole 16 top.
The embodiment of the application discloses a multifunctional service vehicle for overhauling a photovoltaic road set.
Referring to fig. 1, the photovoltaic road set maintenance multifunctional service vehicle includes a vehicle body 1 equipped with a maintenance tool, a power supply fixedly installed on the vehicle body 1, and a maintenance device 2 for performing maintenance on a photovoltaic road set 14.
The vehicle body 1 comprises a vehicle plate 11 and a vehicle head 12 for moving the vehicle plate 11, a plurality of hydraulic T supporting legs 18 are fixedly arranged on the lower surface of the vehicle plate 11 at horizontal intervals, a hydraulic station 13 is fixedly arranged on the upper surface of one end, close to the vehicle head 12, of the vehicle plate 11, the hydraulic station 13 is used for providing hydraulic power for all hydraulic structures on the vehicle body 1, and the plurality of hydraulic T supporting legs 18 are supported on the ground to realize positioning of the vehicle body 1.
Referring to fig. 1 and 2, the maintenance device 2 comprises a placement rail 21, a plurality of moving trolleys 22, a maintenance platform 23 and a transportation mechanism 3, wherein the placement rail 21 is fixedly installed on the upper surface of the vehicle plate 11, the length direction of the placement rail 21 is parallel to the length direction of the vehicle plate 11, meanwhile, the placement rail 21 is positioned on one side of the hydraulic station 13 far away from the vehicle head 12, the placement rail 21 is formed by matching two long rails 211, the length direction of the long rails 211 is parallel to the length direction of the vehicle plate 11, and the two long rails 211 are arranged along the length direction perpendicular to the vehicle plate 11; the plurality of moving trolleys 22 move on the two long rails 211 along the length direction of the placing rail 21, a plurality of rollers 24 are rotatably arranged on the lower surface of the moving trolleys 22 and at intervals at positions corresponding to the two long rails 211, meanwhile, limiting rings 25 are coaxially and fixedly arranged on the outer side walls of the rollers 24, and the two limiting rings 25 are abutted against the two opposite side walls of the two long rails 211, so that the moving trolleys 22 move along the length direction of the placing rail 21 and cannot move along the length direction perpendicular to the placing rail 21, and the rollers 24 are limited to drop from the two long rails 211; meanwhile, after the moving trolley 22 moves upwards, the two limiting rings 25 can be moved to the outer sides of the two long rails 211, so that the moving trolley 22 can be taken off from the placing rail 21.
Lifting blocks 26 are fixedly arranged at two ends of each movable trolley 22, the lifting blocks 26 on two adjacent movable trolleys 22 are abutted together for positioning, a plurality of movable trolleys 22 are respectively provided with a standby photovoltaic road device 14 which is convenient to replace, and each movable trolley 22 is provided with a positioning assembly 4 for positioning the photovoltaic road device 14; the maintenance platform 23 fixed mounting is on sweep 11 upper surface, and maintenance platform 23 is located the one end department that places track 21 and deviate from hydraulic pressure station 13, and maintenance platform 23 is vertical upwards to place track 21 top simultaneously, and maintenance platform 23 is used for the staff to climb the back and maintains in photovoltaic board 17 or the warning sign 19 that lie in the eminence.
Referring to fig. 1, 2 and 3, the positioning assembly 4 comprises a positioning plate 41, a first positioning ring 42 and a second positioning ring 43, wherein the positioning plate 41 is fixedly installed on one end of the mobile trolley 22 close to the maintenance platform 23, and two positioning plates 41 are horizontally arranged at intervals and vertically extend above the mobile trolley 22; the base 15 is placed on the upper surface of the mobile trolley 22, and then the base 15 is pushed to be close to the positioning plate 41 and is abutted against the positioning plate 41 to be positioned, so that two opposite side walls of the base 15 are flush with two ends of the mobile trolley 22, and two ends of the base 15 extend to two sides of the mobile trolley 22 respectively, thereby realizing the placement of the photovoltaic road device 14 on the mobile trolley 22.
A mounting seat 27 which vertically extends to the upper part of the mobile trolley 22 is fixedly arranged at one end of the mobile trolley 22, which is close to the maintenance platform 23, and between two positioning plates 41, a fixed rod 28 which horizontally extends to one side, which is close to the mounting rod 16, is fixedly arranged on the mounting seat 27, a first positioning ring 42 is fixedly arranged on the fixed rod 28, one end of a second positioning ring 43 rotates at one end of the first positioning ring 42 through a rotating column, and the rotating column is in a vertical state; the second positioning ring 43 is propped against the first positioning ring 42, meanwhile, the first positioning ring 42 and the second positioning ring 43 are semi-arc-shaped and are matched with the clamping installation rod 16 to be positioned, one end, far away from the rotating column, of the second positioning ring 43 is connected with the positioning screw 45 in a threaded manner, the positioning screw 45 is screwed to be separated from the first positioning ring 42, then the second positioning ring 43 is rotated to be far away from the first positioning ring 42, so that the clamping of the installation rod 16 is unlocked, and the first positioning ring 42 and the installation rod 16 can be separated.
Before the photovoltaic road equipment 14 is placed on the travelling car 22, the second locating ring 43 is in a separation state with the first locating ring 42, so that the mounting rod 16 and the first locating ring 42 are conveniently attached and located, after the mounting rod 16 and the first locating ring 42 are attached, the second locating ring 43 is rotated to be abutted against the first locating ring 42, then the locating screw 45 is screwed to be connected to the first locating ring 42 in a threaded mode to locate, and therefore the photovoltaic road equipment 14 is located, the locating screw 45 is screwed to be separated from the first locating ring 42, and then the first locating ring 42 and the second locating ring 43 are rotated to be separated, so that unlocking of the mounting rod 16 can be achieved.
Referring to fig. 1 and 2, the maintenance device 2 further includes a transporting mechanism 3, wherein the transporting mechanism 3 is disposed on the vehicle plate 11 and located between the hydraulic station 13 and the placement rail 21, and the transporting mechanism 3 is used for clamping and transporting the photovoltaic road facility 14, so as to realize the transportation of the photovoltaic road facility 14 to the road mounting point or the mobile trolley 22; when the photovoltaic road equipment 14 breaks down and needs to be dismantled for maintenance, a worker firstly removes the photovoltaic road equipment 14 and then moves the photovoltaic road equipment 14 to one side of a mounting point through the conveying mechanism 3, then the conveying mechanism 3 starts to convey the photovoltaic road equipment 14 positioned on one side closest to the conveying mechanism 3 to the mounting point for installation, and when the photovoltaic road equipment is installed, the conveying mechanism 3 starts to convey the photovoltaic road equipment 14 to be maintained to the travelling car 22 on one side closest to the conveying mechanism 3 for placement.
Referring to fig. 1, 4 and 5, the transport mechanism 3 includes a rotating base 31, a first driving member, a first rod 33, a second rod 34, a transport frame 35, a plurality of second driving members 36 and a clamping assembly 37, the rotating base 31 is vertically rotatably mounted on the upper surface of the deck 11 in a vertical state, and the rotating base 31 is located at a side close to the hydraulic station 13; the first driving piece is a servo motor which is fixedly arranged on the upper surface of the vehicle plate 11, and an output shaft of the servo motor is connected with the rotating seat 31 and is used for driving the rotating seat 31 to rotate; one end of the first rod body 33 is horizontally rotatably mounted on the top end of the rotating seat 31 through a first rotating shaft 311, one end of the second rod body 34 is slidably mounted on one end of the first rod body 33 far away from the rotating seat 31, and the other end of the second rod body 34 is fixedly provided with a rod body part 341 extending below the second rod body 34; the top of the transportation frame 35 is rotatably mounted on the bottom end of the rod body 341 through a second rotating shaft 352, and the first rotating shaft 311 and the second rotating shaft 352 are both in a horizontal state and parallel to each other.
The plurality of second driving members 36 are driving hydraulic cylinders, wherein one driving hydraulic cylinder is rotatably mounted on the rotating seat 31 and is rotatably connected with the first rod body 33, so as to drive the first rod body 33 to rotate; one of the driving hydraulic cylinders is arranged on the first rod body 33, a piston rod is connected with the second rod body 34 so as to drive the second rod body 34 to move, and the last driving hydraulic cylinder is rotatably arranged on the side wall of the rod body 341 and is rotatably connected with the transportation frame 35 so as to drive the transportation frame 35 to rotate, so that the movement of the first rod body 33, the second rod body 34 and the transportation frame 35 is realized.
Referring to fig. 1, 2 and 4, the length direction of the transportation frame 35 is parallel to the second rotating shaft 352, the clamping assemblies 37 are arranged on the transportation frame 35 and used for clamping and positioning the photovoltaic road device 14, and the clamping assemblies 37 are clamped and positioned on two ends of the base 15; the axis of the rotating seat 31 is positioned between the two long rails 211 and is the same as the distance between the two long rails 211, the clamping assembly 37 clamps the photovoltaic road device 14, the rotating seat 31 rotates to drive the clamping assembly 37 and the photovoltaic road device 14 to move between the rotating seat 31 and the placing rail 21, and at the moment, the length directions of the transport frame 35 and the base 15 are perpendicular to the length direction of the movable trolley 22; then, the first rod 33 rotates and the second rod 34 moves to drive the photovoltaic road device 14 to be placed on the mobile trolley 22, and then, the second rod 34 moves to drive the photovoltaic road device 14 to move, so that the base 15 abuts against the positioning plate 41 to be positioned, and at the moment, the two ends of the base 15 are located outside the mobile trolley 22 and are respectively the same as the distance between the two opposite side walls of the mobile trolley 22.
Referring to fig. 4 and 5, the clamping assembly 37 includes two clamping plates 371, two third driving members 372, a first locking ring 373 and a second locking ring 374, the two clamping plates 371 are slidably mounted on two ends of the transport frame 35 along the length direction of the transport frame 35, and the two clamping plates 371 are close to or far away from each other, the length direction of the clamping plates 371 is perpendicular to the length direction of the transport frame 35, and the clamping plates 371 extend below the transport frame 35 and are located on one side of the transport frame 35 away from the second rod body 34.
Referring to fig. 2, 4 and 5, the two third driving members 372 are moving hydraulic cylinders, which are respectively and fixedly installed at both ends of the transportation frame 35 and the piston rods are respectively connected with the two clamping plates 371, so as to drive the two clamping plates 371 to approach or separate from each other; the side walls of the opposite sides of the two clamping plates 371 are provided with positioning grooves 38 for inserting the base 15, the positioning grooves 38 are used for positioning the base 15, and when the two clamping plates 371 clamp the base 15 to be placed on the mobile trolley 22, the two clamping plates 371 are positioned on two sides of the mobile trolley 22.
The transportation frame 35 is fixedly provided with a transportation rod 351 extending to one side of the installation rod 16 on the side wall close to one side of the installation rod 16, a first locking ring 373 is fixedly arranged on the transportation rod 351, a second locking ring 374 is rotatably arranged on the first locking ring 373, the first locking ring 373 and the second locking ring 374 are matched for clamping the installation rod 16, the first locking ring 373 and the first positioning ring 42 are identical in structure, the second locking ring 374 is identical in structure to the second positioning ring 43, and a locking screw 39 which is in threaded connection with the first locking ring 373 for positioning is in threaded connection with the second locking ring 374; before the two clamping plates 371 clamp the photovoltaic road equipment 14, the second locking ring 374 and the first locking ring 373 are in a separation state, after the two clamping plates 371 clamp the base 15, the second locking ring 374 is propped against the first locking ring 373, the locking screw 39 is screwed to be connected to the first locking ring 373 in a threaded manner for positioning, therefore, the second locking ring 374 and the first locking ring 373 are matched with the clamping installation rod 16, the photovoltaic road equipment 14 is clamped, and the photovoltaic road equipment 14 can be clamped by reverse operation, namely, the photovoltaic road equipment 14 can be unlocked.
Referring to fig. 1, 6 and 7, the service platform 23 and the transport mechanism 3 are located at both ends of the placement rail 21, and the vehicle body 1 is provided with a exchanging mechanism 5 for moving the traveling carriage 22 located at the end of the placement rail 21 closest to the rotating seat 31 to the end closest to the service platform 23, and the exchanging mechanism 5 includes an exchanging plate 51, a supporting member 52, a moving block 53, a moving assembly 6, a lifting member 54, and a telescopic member 55.
Referring to fig. 6 and 7, the exchanging plate 51 is rotatably mounted on the side wall of the deck 11 through a rotation shaft 511, and the axis of the rotation shaft 511 is parallel to the longitudinal direction of the placement rail 21; the exchanging plate 51 is in a horizontal state when the position of the travelling car 22 needs to be exchanged, and the rotating shaft 511 is positioned on one side of the exchanging plate 51 close to the car plate 11, otherwise, the exchanging plate 51 is in a vertical state, and at the moment, the rotating shaft 511 is positioned on the top of the exchanging plate 51, so that the interference of the exchanging mechanism 5 on the process of transporting the photovoltaic road device 14 or the movement of the car body 1 is reduced.
The supporting piece 52 is a supporting hydraulic cylinder, the supporting hydraulic cylinder is rotatably arranged on the lower surface of the vehicle plate 11, a piston rod is rotatably connected with the exchange plate 51, and the supporting hydraulic cylinder is started to drive the exchange plate 51 to rotate, so that the exchange plate 51 is replaced in a horizontal or vertical state; explanation is given below by taking the case that the exchange plate 51 is in a horizontal state, the moving block 53 is horizontally slidably mounted on the upper surface of the exchange plate 51, and the sliding direction of the moving block 53 is parallel to the moving direction of the moving trolley 22; the moving assembly 6 is arranged on the exchanging plate 51 and is used for driving the moving block 53 to move, the moving assembly 6 comprises a moving screw rod 61 and a moving motor 62, the moving screw rod 61 is rotatably arranged on the upper surface of the exchanging plate 51, and the moving screw rod 61 is in threaded connection with the moving block 53; the moving motor 62 is fixedly installed on the upper surface of the exchanging plate 51, and an output shaft of the moving motor 62 is connected with the moving screw 61.
Referring to fig. 2, 6 and 7, the lifting member 54 is a lifting hydraulic cylinder fixedly installed on two opposite side walls of the moving block 53, piston rods of the two lifting hydraulic cylinders are vertically arranged upwards and fixedly installed with a horizontal conveying plate 56, the conveying plate 56 is horizontally slidably installed with a moving plate 57, the moving direction of the moving plate 57 is along the direction approaching or separating from the moving trolley 22, two horizontal lifting rods 58 are fixedly installed on the side wall of the moving plate 57, which is close to one side of the moving trolley 22, the two lifting rods 58 are used for respectively extending to the lower parts of lifting blocks 26 positioned at two ends of the moving trolley 22, and the two lifting rods 58 are used for upwards moving the moving trolley 22 and the photovoltaic road device 14, so that the two limiting rings 25 are moved above the placing rails 21; the telescopic member 55 is a telescopic hydraulic cylinder fixedly mounted on the side wall of the transport plate 56, and the telescopic hydraulic cylinder is started to drive the transport plate 56 and the lifting rod 58 to move.
Referring to fig. 1, 2 and 7, the photovoltaic road device 14 to be maintained is placed on the mobile trolley 22 closest to one side of the rotating seat 31, then the mounting rod 16 is positioned by locking the first positioning ring 42 and the second positioning ring 43, then the telescopic hydraulic cylinder is started to drive the two lifting rods 58 to extend below the two lifting blocks 26 respectively, and then the lifting hydraulic cylinder is started to drive the two lifting rods 58 to move upwards to drive the mobile trolley 22 and the photovoltaic road device 14 to move upwards, so that the limiting ring 25 moves above the placing rail 21; then the telescopic hydraulic cylinder is started to drive the movable trolley 22 and the photovoltaic road device 14 to move to the outer side of the trolley plate 11, and the limiting ring 25 is propped against the upper surface of the transport plate 56 for supporting; the moving motor 62 is started to drive the moving block 53, the moving trolley 22 and the photovoltaic road device 14 to move towards the maintenance platform 23, and meanwhile, a worker pushes the plurality of moving trolleys 22 and the photovoltaic road device 14 to be far away from the maintenance platform 23, so that a placing space is formed between the plurality of moving trolleys 22 and the maintenance platform 23 on the placing rail 21.
Referring to fig. 1, 2 and 7, after the travelling car 22 on the travelling block 53 moves to the position corresponding to the placement space, the travelling car 22 and the photovoltaic road device 14 to be maintained are driven to move to the placement space by starting the telescopic hydraulic cylinder, and then the travelling car 22 is driven to move downwards by starting the lifting hydraulic cylinder, so that the two rollers 24 roll on the two long rails 211, the two limiting rings 25 are abutted against the side walls on the opposite sides of the two long rails 211 to be positioned, and meanwhile, the lifting rod 58 moves downwards below the lifting block 26.
The telescopic hydraulic cylinder is started to drive the lifting rod 58 to move back to the outer side of the vehicle plate 11, then the mobile motor 62 is started to drive the lifting rod 58 to move back to the starting point, so that the fault-free standby photovoltaic road device 14 is close to the conveying mechanism 3, the photovoltaic road device 14 is conveniently taken down by the follow-up conveying mechanism 3, meanwhile, the photovoltaic road device 14 to be maintained is moved to the maintenance platform 23 for convenient maintenance, and the circulation is realized, the fault-free standby photovoltaic road device 14 is conveniently taken down, the photovoltaic road device 14 to be maintained is conveniently maintained, and meanwhile, the number of the photovoltaic road devices 14 on the placing track 21 is increased.
Referring to fig. 1, 4 and 6, when the vehicle body 1 moves, the first rod 33 is located on the side of the rotating seat 31 close to the placement rail 21, and the clamping assembly 37 is used for clamping and positioning the photovoltaic road device 14 on the side close to the rotating seat 31, so that the maintenance platform 23 and the clamping assembly 37 cooperate to position the plurality of photovoltaic road devices 14; meanwhile, the supporting hydraulic cylinder is started to drive the exchanging plate 51 to rotate to a vertical state, so that the interference of the exchanging mechanism 5 on the movement of the vehicle body 1 or the transportation of the photovoltaic road device 14 is reduced.
The working principle of the embodiment of the application is as follows:
when the photovoltaic road equipment 14 on the road breaks down, a worker firstly uses the maintenance tool to repair the photovoltaic road equipment 14, the maintenance can be completed quickly, namely, the maintenance is completed timely, the maintenance time of the photovoltaic road equipment 14 is long, the photovoltaic road equipment 14 on the road is removed firstly, the two clamping plates 371 clamp the base 15 to move the photovoltaic road equipment 14 to be repaired to one side of the mounting point, the clamping assembly 37 clamps the standby photovoltaic road equipment 14 closest to one side of the rotating seat 31, then the standby photovoltaic road equipment 14 is moved to the mounting point for installation, meanwhile, the clamping assembly 37 clamps the photovoltaic road equipment 14 to be repaired to be placed on the moving trolley 22 closest to one side of the rotating seat 31, then the clamping assembly 37 is far away from the photovoltaic road equipment 14, and then the positioning assembly 4 starts to position the photovoltaic road equipment 14 to be repaired, so that the abnormal operation time of the photovoltaic road equipment 14 is greatly shortened, the warning effect of the photovoltaic road equipment 14 is improved, and the safety production of open-air mines is ensured.
The supporting hydraulic cylinder is started to drive the exchange plate 51 to rotate to a horizontal state, and at the moment, the two lifting rods 58 are in one-to-one correspondence with the two lifting blocks 26 on the mobile trolley 22 positioned on the side closest to the rotating seat 31; then the telescopic hydraulic cylinder starts to drive the two lifting rods 58 to move to the lower parts of the two lifting blocks 26, the lifting hydraulic cylinder starts to drive the two lifting rods 58 to move upwards to drive the movable trolley 22 to separate from the placement rail 21, then the telescopic hydraulic cylinder starts to drive the movable trolley 22 and the photovoltaic road equipment 14 to be maintained to move to the outer side of the vehicle plate 11, then the movable motor 62 starts to drive the movable trolley 22 and the photovoltaic road equipment 14 to be maintained to move towards the maintenance platform 23, meanwhile, the staff pushes the movable trolleys 22 to move away from the maintenance platform 23, a placement space is formed between the movable trolleys 22 and the maintenance platform 23, then the telescopic hydraulic cylinder starts to drive the photovoltaic road equipment 14 to be maintained to move to the placement space, then the lifting hydraulic cylinder starts to drive the movable trolley 22 to move downwards to be placed on the placement rail 21, the telescopic hydraulic cylinder starts to drive the lifting rod 58 to move back to the outer side of the vehicle plate 11, and finally the movable motor 62 starts to drive the movable block 53 to move back to the original position, so that the standby photovoltaic road equipment 14 is close to the rotating seat 31 to clamp the assembly 37, meanwhile, the photovoltaic equipment 14 to be maintained is moved to the maintenance platform 23, the maintenance safety of the photovoltaic equipment is further is convenient, the maintenance platform is guaranteed, the safety of the photovoltaic equipment is further shortened, and the safety of the maintenance platform is guaranteed, and the maintenance is convenient, and the safety of the maintenance is shortened.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. Photovoltaic road is established and is overhauld multi-functional service car, its characterized in that: including automobile body (1) that is equipped with maintenance tool, set up power and the maintenance device (2) that overhauls to photovoltaic road setting (14) on automobile body (1), maintenance device (2) include:
a placement rail (21), the placement rail (21) being provided on the vehicle body (1);
a plurality of mobile trolleys (22), wherein the mobile trolleys (22) roll on the placement rail (21) and are provided with standby photovoltaic road equipment (14), and each mobile trolley (22) is provided with a positioning assembly (4) for positioning the photovoltaic road equipment (14);
the maintenance platform (23) is arranged on the vehicle body (1) and positioned on one side of the placement rail (21) and is used for maintaining the photovoltaic road device (14) after a worker climbs;
the conveying mechanism (3) is arranged on the vehicle body (1) and is used for clamping the photovoltaic road equipment (14) and conveying the photovoltaic road equipment (14) to a mounting point or a movable trolley (22);
the positioning assembly (4) comprises:
the positioning plate (41) is arranged on the mobile trolley (22) and is used for being abutted against the base (15) for positioning;
the first positioning ring (42) is arranged on the mobile trolley (22) and used for being in interference with the mounting rod (16) for positioning;
the second positioning ring (43), one end of the second positioning ring (43) is rotatably arranged on the first positioning ring (42) and the other end of the second positioning ring is in threaded connection with a positioning screw rod (45) which is in threaded connection with the first positioning ring (42) for positioning, so that the first positioning ring (42) and the second positioning ring (43) are matched with the clamping installation rod (16);
the maintenance platform (23) and the conveying mechanism (3) are positioned at two ends of the placement rail (21), a plurality of moving trolleys (22) are distributed at intervals along the length direction of the placement rail (21), and the vehicle body (1) is provided with a change mechanism (5) for moving the moving trolley (22) positioned at one end of the placement rail (21) closest to the conveying mechanism (3) to one end closest to the maintenance platform (23);
the exchange mechanism (5) comprises:
the exchange plate (51) is rotatably arranged on the side wall of the trolley body (1), and the exchange plate (51) is in a horizontal state when the trolley (22) needs to be exchanged or in a vertical state;
the support piece (52) is rotatably arranged on the vehicle body (1), is rotatably connected with the exchange plate (51) and is used for driving the exchange plate (51) to rotate;
the moving block (53) is arranged on the exchange plate (51) in a sliding manner, and the sliding direction of the moving block (53) is parallel to the moving direction of the moving trolley (22);
a moving assembly (6), wherein the moving assembly (6) is arranged on the exchange plate (51) and is used for driving the moving block (53) to move;
the lifting piece (54) is arranged on the moving block (53) and vertically lifts when being exchanged;
the telescopic piece (55), telescopic piece (55) set up on lifter (54) and along being close to or keeping away from travelling car (22) direction and remove, be provided with a plurality of lift bars (58) that are used for lifting transportation travelling car (22) behind travelling car (22) on telescopic piece (55).
2. The photovoltaic road set-up service cart of claim 1, wherein: the moving assembly (6) comprises:
the movable screw rod (61) is rotatably arranged on the exchange plate (51) and the movable block (53) is in threaded connection;
and a moving motor (62), wherein the moving motor (62) is arranged on the exchange plate (51) and is connected with the moving screw rod (61).
3. The photovoltaic road set-up service cart of claim 1, wherein: the transport mechanism (3) comprises:
a rotating seat (31), wherein the rotating seat (31) is rotatably arranged on the vehicle body (1);
the first driving piece is arranged on the vehicle body (1) and is used for rotating the rotating seat (31);
the first rod body (33), the first rod body (33) is rotatably arranged on the rotating seat (31) and the rotating direction is perpendicular to the rotating direction of the rotating seat (31);
a second rod body (34), wherein the second rod body (34) is slidingly arranged on the first rod body (33);
the conveying frame (35), the conveying frame (35) is rotatably arranged on the second rod body (34) and the rotation direction is parallel to the rotation direction of the first rod body (33);
a plurality of second driving members (36), wherein the plurality of second driving members (36) are respectively used for driving the first rod body (33), the second rod body (34) and the transportation frame (35) to move;
the clamping assembly (37) is arranged on the transportation frame (35) and used for clamping and positioning the photovoltaic road equipment (14).
4. A photovoltaic road set-up service cart according to claim 3, characterized in that: the clamping assembly (37) comprises:
the two clamping plates (371) are oppositely arranged on the transportation frame (35) in a sliding manner and are used for clamping the base (15);
two third driving members (372), the two third driving members (372) are arranged on the transportation frame (35) and are used for driving the two clamping plates (371) to move;
a first locking ring (373), the first locking ring (373) being arranged on the transport carriage (35) and being positioned against the mounting bar (16);
and one end of the second locking ring (374) is rotatably arranged on the first locking ring (373), and the other end of the second locking ring (374) is in threaded connection with a locking screw rod (39) which is in threaded connection with the first locking ring (373) for positioning, so that the first locking ring (373) and the second locking ring (374) are matched with each other to clamp the mounting rod (16).
5. The photovoltaic road set-up service cart of claim 4, wherein: positioning grooves (38) for inserting and positioning the base (15) are formed in two opposite side walls of the two clamping plates (371), and when the base (15) is placed on the upper surface of the mobile trolley (22), the two clamping plates (371) are located on two sides of the mobile trolley (22).
6. The photovoltaic road set-up service cart of claim 1, wherein: lifting blocks (26) which are convenient for lifting a lifting rod (58) are arranged at two ends of the movable trolley (22), the adjacent two lifting blocks (26) on the movable trolley (22) are abutted together for positioning, one of the movable trolleys (22) which are positioned at two ends of the placement rail (21) is clamped by the conveying mechanism (3), and the other one of the movable trolleys is abutted against the overhauling platform (23) for positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549157.5A CN117261732B (en) | 2023-11-21 | 2023-11-21 | Multifunctional service vehicle for photovoltaic road set maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549157.5A CN117261732B (en) | 2023-11-21 | 2023-11-21 | Multifunctional service vehicle for photovoltaic road set maintenance |
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| Publication Number | Publication Date |
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| CN117261732A CN117261732A (en) | 2023-12-22 |
| CN117261732B true CN117261732B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311549157.5A Active CN117261732B (en) | 2023-11-21 | 2023-11-21 | Multifunctional service vehicle for photovoltaic road set maintenance |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN117261732A (en) | 2023-12-22 |
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Effective date of registration: 20240415 Address after: 034100 Circular Economy Industrial Park, Yuanping City, Xinzhou City, Shanxi Province Patentee after: SHANXI JIACHENG HYDRAULIC Co.,Ltd. Country or region after: China Address before: 034100 Circular Economy Industrial Park, Yuanping City, Xinzhou City, Shanxi Province Patentee before: Shanxi Jiyu Construction Machinery Co.,Ltd. Country or region before: China |