CN114103775B

CN114103775B - Mobile power exchange equipment and power exchange vehicle

Info

Publication number: CN114103775B
Application number: CN202111328842.6A
Authority: CN
Inventors: 陈静宇; 张星
Original assignee: Sany Heavy Industry Co Ltd
Current assignee: Sany Lithium Energy Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2023-05-09
Anticipated expiration: 2041-11-10
Also published as: CN114103775A

Abstract

The invention provides mobile power exchange equipment and a power exchange vehicle. The chassis is provided with a space for accommodating the battery, the battery replacing device is used for transferring the battery between the chassis and the equipment to be replaced, the grabbing device is used for grabbing the battery, and the rotating device is used for adjusting the angle of grabbing the battery and placing the battery by the grabbing device. So set up, provide a movable battery replacement equipment, can travel to waiting to trade electric equipment department, be convenient for trade electric operation to electric operation machinery, enlarge its service range, the mobility is strong, has eliminated the limitation of fixed battery replacement station, economy is suitable for. And the grabbing device can rotate and shift through the rotating device, so that the battery replacement positioning precision is improved.

Description

Mobile power exchange equipment and power exchange vehicle

Technical Field

The invention relates to the technical field of power conversion equipment, in particular to mobile power conversion equipment and a power conversion car.

Background

With the great popularization of electric equipment, electric engineering machinery, electric road transport vehicles and the like are widely used. Various fixed type power exchanging stations are arranged on the market at present and can be used for supplying power to the electric engineering machinery and the electric road transport vehicle for fixed-point power exchanging.

However, the working conditions of the electric engineering machinery, the electric road transport vehicle and the like are complex. Some electric engineering machinery such as electric excavators, electric bulldozers, electric road rollers and the like cannot travel on the road and cannot reach a fixed power exchange station for charging. Some electric road transport vehicles, such as electroslag earth-changing vehicles, have a periodically changing working route, and often change working sites. However, the fixed power exchange station has a small service range, and the fixed power exchange cannot meet the power exchange requirement of the electric equipment. In addition, the fixed type power exchange station has long construction period, and the construction of the short period construction site is uneconomical.

Therefore, it is needed to develop a power conversion device to compensate the limitation of the fixed power conversion station, so as to meet the power conversion requirement of the electric operation machine under the complex working condition, and the power conversion device is an important technical problem to be solved by those skilled in the art.

Disclosure of Invention

The invention aims to provide mobile power conversion equipment and a power conversion car, which are used for solving the problems in the prior art.

The invention provides a mobile power conversion device, comprising:

a chassis and a support truss provided on the chassis, the chassis having a space for accommodating a battery;

the power conversion device is arranged on the support truss and is used for transferring batteries between the chassis and equipment to be converted;

the battery grabbing device comprises a rotating device and a grabbing device connected with the rotating device, wherein the grabbing device is used for grabbing a battery, and the rotating device is rotationally connected with the battery replacing device and used for adjusting angles of grabbing the battery and placing the battery by the grabbing device.

According to the mobile power conversion equipment provided by the invention, the power conversion device comprises:

the walking device is movably arranged on the support truss and is used for driving the battery to move along the length direction of the support truss;

the lifting device is used for driving the battery to move along the height direction of the support truss;

and the telescopic device is connected with the lifting device and used for driving the battery to do telescopic motion along the width direction of the support truss, one of the lifting device and the telescopic device is movably connected with the running device, and the other is rotatably connected with the rotating device.

According to the mobile battery exchange device provided by the invention, the walking device comprises:

the walking vehicle is movably connected with the support truss and moves along the length direction of the support truss;

the first driving assembly is used for driving the travelling car to move;

the first guide assembly comprises a first roller and a first guide rail matched with the first roller, the first guide rail is arranged along the length direction of the support truss, and the first roller is arranged on the traveling vehicle and the first guide rail is arranged on the support truss.

According to the mobile battery exchange device provided by the invention, the lifting device comprises:

the lifting beam is movably connected with the running gear and moves along the height direction of the support truss;

the second driving component is used for driving the lifting beam to do lifting motion;

the second guide assembly comprises a sliding block and a sliding rail matched with the sliding block, the sliding rail is arranged along the height direction of the support truss, one of the sliding block and the sliding rail is arranged on the lifting beam, and the other sliding block is arranged on the travelling device.

According to the mobile battery exchange device provided by the invention, the telescopic device comprises:

the telescopic beams are movably connected with the lifting beams and arranged along the width direction of the supporting truss, the telescopic beams are arranged in multiple stages, one-stage telescopic beam is movably arranged in the lifting beams, two-stage telescopic beams are movably arranged in the one-stage telescopic beams, and one end of the last-stage telescopic beam is provided with the rotating device;

the third driving assembly is used for driving the telescopic beam to do telescopic motion;

the third guide assembly comprises a second roller and a second guide rail matched with the second roller, the second guide rail is arranged along the width direction of the support truss, one of the second roller and the second guide rail is arranged on the lifting beam, and the other of the second roller and the second guide rail is arranged on the telescopic beam.

According to the mobile battery exchange device provided by the invention, the rotating device comprises:

the rotating platform is connected with the grabbing device and is rotationally connected with the electricity changing device;

and the fourth driving assembly is used for driving the rotating platform to rotate.

According to the mobile power conversion equipment provided by the invention, the support truss comprises:

the truss walking beams are arranged along the length direction of the support truss and are distributed at intervals along the width direction of the support truss, and the walking device is movably connected with the truss walking beams;

and the two ends of the truss upright posts are respectively connected with the truss walking beam and the chassis.

According to the mobile power conversion equipment provided by the invention, the truss upright is hinged with the truss walking beam and the chassis respectively, the truss upright comprises at least two upright sections hinged with each other, an adjusting component is arranged between every two adjacent upright sections, and the adjusting component is used for adjusting the size of an included angle formed between every two adjacent upright sections.

According to the mobile battery exchange device provided by the invention, the mobile battery exchange device further comprises the adjustable supporting legs, wherein the adjustable supporting legs are arranged at the bottom of the chassis, and the adjustable supporting legs do telescopic movement along the height direction of the support truss.

The invention also provides a battery exchange vehicle comprising the mobile battery exchange device.

The invention provides mobile electricity exchanging equipment which comprises a chassis, a support truss arranged on the chassis, an electricity exchanging device arranged on the support truss, a rotating device and a grabbing device connected with the rotating device. The chassis has a space for accommodating a battery. The power exchanging device is used for transferring the battery between the chassis and the equipment to be exchanged. The grabbing device is used for grabbing the battery. The rotating device is rotationally connected with the electricity changing device and is used for adjusting the angles of the grabbing device for grabbing the battery and placing the battery. So set up, provide a movable battery replacement equipment, can travel to waiting to trade electric equipment department, be convenient for trade electric operation to electric operation machinery, enlarge its service range, the mobility is strong, has eliminated the limitation of fixed battery replacement station, economy is suitable for. And the grabbing device can rotate and shift through the rotating device, so that the battery replacement positioning precision is improved.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is one of the perspective views of a mobile battery-powered device provided by the present invention;

FIG. 2 is a second perspective view of the mobile power conversion device according to the present invention;

FIG. 3 is a partial schematic view of the running gear provided by the present invention;

FIG. 4 is a partial schematic view of FIG. 1 at A;

FIG. 5 is a partial schematic view of FIG. 1 at B;

FIG. 6 is a partial schematic view of a support truss provided by the present invention;

FIG. 7 is a partial schematic view of FIG. 6 at C;

FIG. 8 is a partial schematic view of FIG. 6 at D;

FIG. 9 is a partial schematic view of FIG. 6 at E;

reference numerals:

1: a chassis; 2: a battery; 3: a support truss;

4: a walking device; 5: a lifting device; 6: a telescoping device;

7: a rotating device; 8: a gripping device; 9: an adjustable leg;

10: a telescoping member; 11: a control device;

31: a truss walking beam; 32: truss upright posts; 33: a connecting beam;

34: an adjustment assembly; 321: a column section;

41: a walking vehicle; 42: a first rack; 43: a first gear;

44: a first drive; 45: a first roller; 46: a first guide rail;

51: lifting the beam; 52: a slide rail; 53: a second drive;

54: a screw rod; 55: a slide block;

61: a first-stage telescopic beam; 62: a second rack; 63: a third drive;

64: a second roller; 65: a second guide rail; 66: a second-stage telescopic beam;

71: a fourth drive; 72: a third gear; 73: a fourth gear;

74: and rotating the platform.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The mobile battery exchange device of the present invention is described below with reference to fig. 1 to 9.

As shown in fig. 1 and 2, an embodiment of the present invention provides a mobile power conversion apparatus, which includes a chassis 1, a support truss 3, a power conversion device, a rotation device 7, and a gripping device 8. Specifically, the chassis 1 has a space for accommodating the battery 2, which is sized according to actual needs. The chassis 1 can be a conventional vehicle chassis such as an electric vehicle chassis, a fuel vehicle chassis, a trailer chassis and the like, and has low manufacturing cost and wide application range. And a battery vacancy is reserved on the battery rack, so that the battery with the power shortage removed from the equipment to be replaced can be placed, and quick power replacement is facilitated.

The support truss 3 is arranged on the chassis 1, and the power exchanging device is arranged on the support truss 3 and used for transferring batteries between the chassis 1 and equipment to be exchanged. The power conversion device can plan a circuit conversion line according to the battery position on the equipment to be converted and the full battery position on the chassis 1, move the full battery on the equipment to be converted to the chassis 1, and move the full battery to the equipment to be converted.

The gripping means 8 are used for gripping the battery and are connected to the rotation means 7. The gripping means 8 may employ a spreader grip to grip the battery 2. The rotating device 7 is rotatably connected with the battery replacing device and is used for adjusting the angles of grabbing the battery 2 and placing the battery 2 by the grabbing device 8 so as to accurately place the full-power battery in a battery installation position on the equipment to be replaced.

So set up, provide a movable battery replacement equipment, can travel to waiting to trade electric equipment department, be convenient for trade electric operation to electric operation machinery, enlarge its service range, the mobility is strong, has eliminated the limitation of fixed battery replacement station, economy is suitable for. And the grabbing device 8 can rotate and shift through the rotating device 7, so that the battery replacement positioning precision is improved.

In the embodiment of the invention, as shown in fig. 1 and 2, the power exchanging device comprises a traveling device 4, a lifting device 5 and a telescopic device 6. Specifically, the running gear 4 is located above the battery 2 and is movably mounted on the support truss 3 for driving the battery 2 to move along the length direction of the support truss 3. The lifting device 5 is connected with the telescopic device 6, the lifting device 5 is used for driving the battery 2 to do lifting motion along the height direction of the support truss 3, and the telescopic device 6 is used for driving the battery 2 to do telescopic motion along the width direction of the support truss 3.

Wherein, one of the lifting device 5 and the telescopic device 6 is movably connected with the walking device 4, and the other is rotatably connected with the rotating device 7. That is, the lifting device 5 is directly mounted on the running gear 4, the rotating device 7 is rotatably connected with the telescopic device 6, and the gripping device 8 is connected with the telescopic device 6 through the rotating device 7. Alternatively, the telescopic device 6 is directly mounted on the walking device 4, the rotating device 7 is rotatably connected with the lifting device 5, and at this time, the lifting device 5 is mounted between the rotating device 7 and the telescopic device 6, and the lifting device 5 is, for example, a hydraulic cylinder or the like.

So set up, running gear 4, elevating gear 5 and telescoping device 6 combined motion when trading the electricity for grabbing device 8 can follow each direction adjustment position and snatch battery 2, and the operating range of mobile battery replacement equipment is covered in the whole, is convenient for trade dress battery between chassis 1 and waiting to trade the electric equipment. In the placement position of the mobile power conversion device shown in fig. 2, the direction indicated by the solid arrow in the drawing is the length direction of the support truss 3, the direction indicated by the open arrow is the width direction of the support truss 3, and the up-down direction is the height direction of the support truss 3.

In the embodiment of the present invention, the traveling device 4 includes a traveling carriage 41, a first driving assembly, and a first guiding assembly. The traveling carriage 41 is located above the battery 2, is movably connected to the support truss 3, and moves in the longitudinal direction of the support truss 3. The first driving assembly is used for driving the traveling carriage 41 to move, and in particular, as shown in fig. 3 and 4, may include a first rack 42, a first gear 43, and a first drive 44. The first rack 42 is fixedly provided on the support truss 3, and is provided along the length direction of the support truss 3. The first drive 44 may be a motor mounted in the middle of the traveling carriage 41 by a motor mount. The first gear 43 is mounted on the motor output shaft and is meshed with the first rack gear 42. The traveling carriage 41 is driven by a motor to move along the length direction of the support truss 3 through the gear-rack transmission. In addition, the first drive 44 is matched with a transmission mechanism such as a sprocket chain, a wheel guide rail and the like to realize the movement of the travelling crane 41 along the length direction of the support truss 3.

The first guide assembly includes a first roller 45 and a first guide rail 46 engaged with the first roller 45, and the first guide rail 46 is disposed along a length direction of the support truss 3. The first roller 45 is rotatably disposed on the traveling carriage 41, and the first rail 46 is fixedly disposed on the support truss 3. Thereby making the traveling carriage 41 move along a certain track and making the movement more stable. In addition, the limiting guide function can be achieved through linear guide mechanisms such as a sliding block and a linear guide rail.

As shown in fig. 1, in the embodiment of the present invention, the lifting device 5 is movably connected to the traveling device 4, and the telescopic device 6 is connected to the lifting device 5. Like this telescoping device 6 snatchs along with elevating gear 5 whole lift and places battery 2, stable in structure is reliable, reduces telescoping device 6 overhang end load, alleviates telescoping device 6 deformation influence, can improve whole device life, reduction equipment trouble. In particular, as shown in fig. 2 and 3, the lifting device 5 includes a lifting beam 51, a second driving assembly, and a second guide assembly. The lifting beam 51 is movably connected to the traveling carriage 41 and moves in the height direction of the support truss 3. Specifically, as shown in fig. 8, the lifting beam 51 includes a connecting rib to be movably connected with the traveling carriage 41 and a mount to be connected with the connecting rib, and the telescopic device 6 is movably provided in the mount. The second driving assembly is used for driving the lifting beam 61 to perform lifting motion, and in particular, may include a second driving 53 and a screw 54. The second drive 53 may be a motor, and is mounted on the traveling carriage 41 through a motor mount for driving the screw 54 to rotate. As shown in fig. 9, a nut is fixedly installed on the lifting beam 51 to be engaged with the screw 54, and the screw 54 passes through the nut and is disposed in the height direction of the support truss 3. The screw rod 54 is rotated by the motor, so that the lifting beam 51 and the telescopic device 6 are driven to move up and down along the height direction of the support truss 3. In addition, the second drive 53 can be matched with a transmission mechanism such as a gear rack and the like to realize the lifting movement of the battery 2 along the height direction of the support truss 3.

The second guiding component comprises a sliding block 55 and a sliding rail 52 matched with the sliding block 55, and the sliding rail 52 is arranged along the height direction of the supporting truss 3. One of the slider 55 and the slide rail 52 is provided on the lifting beam 51, and the other is provided on the running gear 4. For example, as shown in fig. 8, the slide rail 52 is provided on the traveling carriage 41 in the height direction of the support truss 3, and the slider 55 is fixedly connected to the lifting beam 51. The sliding block 55 moves along the sliding rail 52, so that the lifting device 5 and the telescopic device 6 are prevented from being deviated during movement, and the battery replacement accuracy is prevented from being affected. In addition, the lifting beam 51 and the second guide assembly may be provided in plural groups, for example, two groups may be provided at intervals along the width direction of the support truss 3, so that the connection is more stable and the movement is more reliable.

Further, the telescopic device 6 comprises a telescopic beam, a third drive assembly, and a third guide assembly. As shown in fig. 3 and 5, the telescopic beam is connected to the lifting beam 51 and is disposed in the width direction of the support truss 3. The telescopic beams are arranged in multiple stages, a primary telescopic beam 61 is movably arranged in the lifting beam 51, a secondary telescopic beam 62 is movably arranged in the primary telescopic beam 61, and so on. The overhanging end of the final telescopic beam is provided with a rotating device 7. The number of stages of the telescopic beams can be determined according to actual use requirements, for example, as shown in fig. 5, a first-stage telescopic beam 61 is movably arranged in the lifting beam 51, a second-stage telescopic beam 62 is movably arranged in the first-stage telescopic beam 61, and a suspending end of the second-stage telescopic beam 62 is provided with a rotating device 7. The third driving assembly is used for driving the telescopic beams to do telescopic motion, and the multistage telescopic beams synchronously do telescopic motion along with the primary telescopic beams 61. Specifically, the third drive assembly may include a rack and pinion mechanism and a third drive 63. The rack and pinion mechanism includes a plurality of sets of meshed second racks 62 and second gears, respectively disposed in correspondence with the respective stages of telescopic beams. The second racks 62 are fixedly provided on the respective stages of the telescopic beams, and are provided along the width direction of the support truss 3. The third drive 63 may be a motor mounted on the lifting beam 51 for driving the second gear in rotation. The motor drives the gear rack mechanism, thereby driving the multistage telescopic beams to synchronously move in a telescopic manner along the width direction of the support truss 3. Of course, transmission mechanisms such as chain wheels and chains can be adopted to realize synchronous telescopic movement of the multi-stage telescopic beams.

The third guide assembly includes a second roller 64 and a second rail 65 engaged with the second roller 64, the second rail 65 being disposed along the width direction of the support truss 3. One of the second roller 64 and the second rail 65 is provided on the lifting beam 51, and the other is provided on the telescopic beam. For example, the lifting beam 51 is provided with a second roller 64 rotatably connected, and the telescopic beam is correspondingly provided with a second guide rail 65, so that the movement of the telescopic beam is guided by the cooperation of the two. In addition, the telescopic beams are provided in multiple stages, for example, in two stages, and a third guide assembly is provided between the primary telescopic beam 61 and the secondary telescopic beam 62. Of course, other linear guide mechanisms may be provided, such as slides and linear guides, linear bearings and guide rods, etc.

Still further, the rotation device 7 comprises a rotation platform 74 and a fourth drive assembly. As shown in fig. 1 and 7, the rotary platform 74 may be rotatably coupled to the telescoping beam overhanging end by a swivel support. And the rotating platform 74 is also connected to the gripping means 8 so that when the rotating platform 74 rotates, the battery 2 is brought into rotation. The fourth driving assembly is used for driving the rotating platform 74 to rotate, and may specifically include a fourth driving 71, a third gear 72, and a fourth gear 73. The fourth drive 71 may be a motor, and is fixedly connected to the overhanging end of the telescopic beam through a connecting plate, for driving the third gear 72 to rotate. The fourth gear 73 is integrally supported with the rotary support and rotates in synchronization with the rotary table 74. The fourth gear 73 is meshed with the third gear 72, and when the third gear 72 rotates, the fourth gear 73 can be driven to rotate, so that the battery 2 is driven to rotate for a certain angle, the angle deviation between the battery 2 and the battery mounting position on the equipment to be replaced is eliminated, and the battery replacement accuracy is improved. The rotation accuracy of the rotating device 7 is specifically determined according to actual requirements.

In the embodiment of the present invention, the support truss 3 includes a pair of truss walking beams 31 and at least two truss columns 32. The two truss traveling beams 31 are arranged along the length direction of the support truss 3 and are spaced apart along the width direction of the support truss 3. The traveling devices 4 are movably connected to the two truss traveling beams 31, respectively, and move along the longitudinal direction of the support truss 3. The truss column 32 is disposed along the height direction of the support truss 3 and fixedly connected to the truss walking beam 31 and the chassis 1, respectively. Truss column 32 may be four and located at four corners of chassis 1, respectively. In order to increase the connection strength of the support truss 3, a connection beam 33 is further provided, which may be connected between two truss columns 32 or between two truss walking beams 31. So arranged, the support truss 3 provides reliable support for the power exchange device and the like, as well as space for power exchange activity.

As shown in fig. 6, the difference from the above embodiments is that the truss column 32 is hinged to the truss walking beam 31 and the chassis 1, respectively. And truss column 32 includes at least two articulated column segments 321, and an adjusting assembly 34 is disposed between two adjacent column segments 321 for adjusting the angle formed between two adjacent column segments 321. The adjustment assembly 34 may be articulated to the post segments 321 using hydraulic cylinders or cylinders, electric cylinders, linkage mechanisms, and the like, such as telescoping cylinders. The whole height of the supporting truss 3 can be controlled through the adjusting component 34, and the functions of supporting, locking, positioning and the like are also achieved. So set up, truss column 32 forms the beta structure, and folding column when going on the road reduces whole height, satisfies the road limit for height requirement when going. When the stand column is unfolded during operation, the height travel of the mobile battery replacing equipment can be increased, the height space requirements of batteries with various specifications during battery replacement are met, and the stand column is convenient to use and flexible to operate. Further, the folding direction of the truss column 32 may be set along the length direction of the support truss 3 or along the width direction of the support truss 3, illustrated as being folded along the width direction of the support truss 3. The number of stud segments 321 is set according to actual needs and the adjustment assembly 34 is provided accordingly.

In the embodiment of the invention, the mobile power conversion equipment further comprises an adjustable supporting leg 9 arranged at the bottom of the chassis 1 and performing telescopic movement along the height direction of the supporting truss 3. The adjustable support legs 9 can be a plurality of, evenly distributed around the chassis 1. Thus, the adjustable support legs 9 can be contacted with the ground, the chassis 1 is leveled, the support is more stable and reliable during power change, and the height of the chassis 1 can be further increased.

Further, the mobile power conversion device further comprises a telescopic member 10 which is arranged corresponding to the adjustable supporting leg 9, and is arranged along the width direction of the support truss 3, for example, a telescopic rod, a telescopic hydraulic cylinder and the like. One end of the telescopic piece 10 is connected with the adjustable supporting leg 9, and the other end is connected with the chassis 1. Like this can drive adjustable landing leg 9 through extensible member 10 and carry out telescopic movement along the width direction of support truss 3, the adjustable landing leg 9 position of being convenient for adjusts, increases the supporting distance, reliably supports subaerial, is favorable to removing the stable work of trading electric equipment.

In the embodiment of the invention, the mobile power conversion equipment further comprises a protective cover which is covered outside the support truss 3, and the protective cover comprises a ceiling and side plates. The roof is connected with the top of supporting truss 3, and the curb plate sets up along chassis 1 circumference to be connected with supporting truss 3, with formation protective structure, avoid invasion such as rainwater. Optionally, the side plate is a deployable plate, and is selectively deployed or retracted between a deployed position and a retracted position, and when in use, the side plate is deployed to form a shelter without affecting the power exchange operation. After the electricity is replaced, the side plate is retracted. Therefore, the side plates can be unfolded or closed, and the power exchange operation under the open air condition is facilitated. In addition, the side plates can be arranged to be of telescopic structures, such as a common folding plate structure, a multi-stage telescopic plate structure and the like, so that the side plates can be extended or retracted, and the power exchange operation under the open air condition is facilitated. In addition, the mobile power conversion equipment can be further provided with a control device 11 which is electrically connected with the power conversion device, the rotating device 7, the grabbing device 8 and the like, so that intelligent automatic control of the power conversion process is realized, and the operation is more convenient.

In combination with the above embodiments, the present invention provides a mobile power conversion device, which includes a chassis 1, a support truss 3, a traveling device 4, a lifting device 5, a telescopic device 6, a rotating device 7, a grabbing device 8, an adjustable leg 9, a control device 11, and the like. The traveling device 4 can move along the length direction of the support truss 3, and the lifting device 5 is arranged on the traveling device 4 and can move up and down along the height direction of the support truss 3. The telescopic device 6 is installed on the lifting device 5 and can move in a telescopic manner along the width direction of the support truss 3. The rotating device 7 is horizontally arranged at the overhanging end of the telescopic device 6 and can rotate and shift along the height direction of the support truss 3. The grabbing device 8 is mounted on the rotating device 7 and is used for grabbing and hoisting the battery 2.

When the mobile power conversion equipment works, the mobile power conversion equipment is parked in a flat area, the adjustable supporting legs 9 are started and unfolded, and the like, supported on the ground, and enter a working state. And then the equipment to be changed is guided into the change position to stop and stabilize according to the identification. And the mobile battery replacement equipment identifies and positions the equipment to be replaced and the battery, and the battery is replaced after the positioning is qualified. If the positioning needs to be adjusted, the adjusting element is prompted, and the adjusting position of the mobile power conversion equipment or the equipment to be converted is repositioned.

When automatic power is replaced, firstly, the power replacing equipment is moved to plan a circuit replacing route according to the position of a battery on the power replacing equipment and the position of a full battery of the power replacing equipment, and then the traveling device 4, the lifting device 5, the telescopic device 6, the rotating device 7 and the grabbing device 8 are combined to move to the full battery of the power replacing equipment and grab the battery. And then the battery with the power shortage is hung and transferred to a battery vacancy on the mobile power conversion equipment. And then the full-charge battery is grabbed by the combined action of the battery replacement device, and the full-charge battery is hoisted and transferred to the corresponding battery position of the equipment to be replaced. And if other power-deficient batteries still need to be replaced, repeating the process until the power-deficient batteries on the equipment to be replaced are completely replaced. In addition, the remote control of the mobile power conversion equipment can complete power conversion operation.

The mobile power conversion device provided by the embodiment of the invention has wide service coverage range and strong maneuverability, is suitable for electric operation machines with complex working conditions, can provide convenient power conversion service for electric engineering machines, electric road transport vehicles and the like, eliminates the limitation of a fixed power conversion station, adapts to various power conversion requirements of the electric operation machines in working scenes, meets market application, and is beneficial to popularization of electric equipment. The mobile power conversion equipment can be used as the supplement of a power conversion station in a power conversion energy system, and solves the problem that the construction period of a fixed power conversion station is long and the construction of a short period construction site is uneconomical.

The trolley bus provided by the invention is described below, and the trolley bus described below and the mobile trolley device described above can be referred to correspondingly.

The embodiment of the invention also provides a battery exchange vehicle, which comprises the mobile battery exchange device in each embodiment. So set up, provide a movable battery replacement equipment, can travel to waiting to trade electric equipment department, be convenient for trade electric operation to electric operation machinery, enlarge its service range, the mobility is strong, has eliminated the limitation of fixed battery replacement station, and construction cost is low, economy is suitable for. The deduction process of the beneficial effects is substantially similar to the deduction process of the beneficial effects of the mobile power conversion device, so that the description thereof is omitted herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mobile power conversion apparatus, comprising:

the power conversion device is arranged on the support truss and is used for transferring batteries between the chassis and equipment to be converted; the power conversion device comprises:

the lifting device is used for driving the battery to move along the height direction of the support truss; the lifting device comprises a lifting beam which is movably connected with the travelling device and moves along the height direction of the support truss;

the telescopic device is connected with the lifting device, the telescopic device integrally grabs and places the battery along with the lifting device, the telescopic device is used for driving the battery to do telescopic motion along the width direction of the support truss, one of the lifting device and the telescopic device is movably connected with the travelling device, and the other is rotatably connected with the rotating device; when the power is replaced, the walking device, the lifting device and the telescopic device move in a combined way, so that the grabbing device can adjust the positions along all directions to grab the battery, the working range of the mobile power replacing equipment is covered comprehensively, and the battery can be conveniently replaced between the chassis and the equipment to be replaced; the telescopic device comprises:

the third guide assembly comprises a second roller and a second guide rail matched with the second roller, the second guide rail is arranged along the width direction of the support truss, one of the second roller and the second guide rail is arranged on the lifting beam, the other of the second roller and the second guide rail is arranged on the telescopic beam, and the third guide assembly plays a role in guiding the movement of the telescopic beam;

2. The mobile battery exchange device of claim 1, wherein the running gear comprises:

the first driving assembly is used for driving the travelling car to move;

the first guide assembly comprises a first roller and a first guide rail matched with the first roller, the first guide rail is arranged along the length direction of the support truss, the first roller is arranged on the traveling vehicle, and the first guide rail is arranged on the support truss.

3. The mobile power conversion apparatus according to claim 2, wherein the lifting device further comprises:

4. The mobile power conversion apparatus according to claim 1, wherein the rotating means includes:

5. The mobile power conversion apparatus of claim 1, wherein the support truss comprises:

6. The mobile power conversion device according to claim 5, wherein the truss upright is hinged to the truss walking beam and the chassis respectively, the truss upright comprises at least two upright sections hinged to each other, an adjusting assembly is arranged between two adjacent upright sections, and the adjusting assembly is used for adjusting the included angle formed between two adjacent upright sections.

7. The mobile power conversion device according to claim 1, further comprising an adjustable leg provided at a bottom of the chassis, and the adjustable leg is telescopically movable in a height direction of the support truss.

8. A trolley bus comprising a mobile switching device according to any one of claims 1-7.