Intelligent transfer trolley

Abstract

The invention provides an intelligent transfer trolley which is used for transferring a circuit breaker handcart or a mutual inductor handcart of a high-voltage switch cabinet and comprises a rack, a lifting assembly, a rail assembly, a push-pull assembly, a grabbing assembly and an electric control box. The lifting assembly is arranged on the machine frame, the rail assembly is arranged on the lifting assembly and driven by the lifting assembly to ascend and descend, the push-pull assembly is arranged on the rail assembly, and the grabbing assembly is arranged to be used for grabbing a circuit breaker handcart or a mutual inductor handcart. And the electric control box is arranged on the push-pull assembly and driven by the push-pull assembly to move on the track assembly, and the electric control box is electrically connected with the lifting assembly, the push-pull assembly and the grabbing assembly to control the lifting assembly, the push-pull assembly and the grabbing assembly. Transfer and maintenance of the circuit breaker handcart or the mutual inductor handcart are achieved, operation is convenient and fast, time and labor are saved, positioning is accurate, and adjustment is easy and convenient.

Description

Technical Field

[0001] The present invention belongs to the technical field of electric power equipment, and in particular relates to an auxiliary equipment for maintenance operations of electric power equipment, and more specifically to an intelligent transfer vehicle. Background Art

[0002] As we all know, the safety and reliability of operation and maintenance of industrial electrical power equipment are the primary considerations of the power supply department.

[0003] Specifically, in the industrial power and electrical equipment industry, for example, 10kV power systems are usually used, and indoor AC withdrawable switchgear is a complete set of power distribution equipment for single busbar and single busbar segmentation systems. This type of switchgear can be used in power plants, power transmission of small and medium-sized generators, power distribution of industrial and mining enterprises, and power receiving and transmission of secondary substations of power systems, and starting of large high-voltage motors, etc., to achieve the purpose of controlling, protecting, and detecting power equipment, and plays an important role in the operation of power systems and the protection of power equipment.

[0004] The transfer vehicle is a must-have operation and maintenance tool for the power distribution room in the substation. Specifically, the intelligent transfer vehicle is mainly used for the transfer and operation and maintenance of circuit breaker trolleys and current transformer trolleys in power and electrical equipment, so as to improve the efficiency of substation operation and maintenance and reduce labor intensity.

[0005] The transfer vehicles in the prior art have single functions. Some transfer vehicles only have lifting functions but no pushing and pulling functions, while some transport vehicles only have pushing and pulling functions but no lifting functions. Therefore, they are quite inconvenient to use, which is not conducive to improving the efficiency of transfer and operation and maintenance. In addition, they rely on manual methods to achieve lifting or pushing and pulling actions, so the operation is labor-intensive. At the same time, the transfer vehicles in the prior art have large positioning errors and cumbersome adjustments. Summary of the invention

[0006] The purpose of the present invention is to solve the above-mentioned problems of the prior art and to provide an intelligent transfer vehicle which integrates electric lifting, pushing, pulling, grabbing and locking functions, is easy to operate, saves time and effort, has accurate positioning and is easy to adjust.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] The present invention provides an intelligent transfer vehicle for transferring a circuit breaker trolley or a transformer trolley of a high-voltage switch cabinet, comprising a frame, a lifting assembly, a track assembly, a push-pull assembly, a grab assembly, and an electric control box;

[0009] The lifting assembly is arranged on the frame, the track assembly is arranged on the lifting assembly and is driven by the lifting assembly to lift and lower, the push-pull assembly is arranged on the track assembly, the grabbing assembly is configured to grab a circuit breaker trolley or a transformer trolley, is arranged on the push-pull assembly and is driven by the push-pull assembly to move on the track assembly, and the electric control box is electrically connected to the lifting assembly, the push-pull assembly and the grabbing assembly to control them.

[0010] Preferably, the grabbing assembly includes a moving beam and a pair of first grabbing mechanisms, the moving beam is fixed to the push-pull assembly and extends in a direction perpendicular to the track assembly, the pair of first grabbing mechanisms are arranged at intervals on the moving beam and can be controlled to approach or move away from each other, each of the first grabbing mechanisms includes a rocker arm that can swing longitudinally and a first hook plate arranged at the end of the rocker arm, and a first slot is provided on the first hook plate; the corresponding rockers of the pair of first grabbing mechanisms are arranged to swing synchronously.

[0011] Further preferably, the grabbing assembly also includes a lead screw arranged parallel to the moving beam, a base fixed on the moving beam, a cantilever arranged at one end of the base and a synchronization rod passing through the middle part of each of the rocker arms; each rocker arm is sleeved on the lead screw; the top of the cantilever is rotatably connected to one end of the first electric push rod, and the other end of the first electric push rod is rotatably connected to the synchronization rod.

[0012] Optionally, the grabbing assembly also includes a second grabbing mechanism for grabbing the insulating plate of the high-voltage switch cabinet, and the second grabbing mechanism is arranged between the two first grabbing mechanisms, and includes a second hook plate rotatably arranged on the base at the other end opposite to the end where the cantilever is arranged, and a second electric push rod pivotally connected to the top end of the cantilever and the second hook plate; a second slot is formed in the second hook plate.

[0013] Preferably, the intelligent transfer vehicle further comprises a locking assembly arranged on the track assembly, wherein the locking assembly comprises a mounting seat, a direct-acting cylinder arranged in the mounting seat, and a locking hook body driven by the direct-acting cylinder to swing up and down.

[0014] Further preferably, an axle seat is provided at one end of the mounting seat, and a pin hole is provided on the axle seat; the direct-acting cylinder is fixed to the mounting seat by a pin passing through the pin hole and the direct-acting cylinder; a rotating seat is provided at the other end of the mounting seat, and a push block is provided in the rotating seat, one end of the push block is connected to the movable rod of the direct-acting cylinder, and the other end of the push block is provided at the bottom of the lock hook body; the lock hook body is pivotally provided in the rotating seat.

[0015] Preferably, the track assembly comprises a track mounting frame fixed on the frame and a track arranged between two track mounting frames, one end of the track has an extended end extending out of the frame; and the locking assembly is arranged at the end of the extended end.

[0016] Further preferably, the push-pull assembly includes a push-pull motor fixed on one of the track mounting frames and a horizontal conveyor belt driven by the push-pull motor to rotate along the length direction of the track; the moving beam is fixed on the horizontal conveyor belt so that the moving beam moves along the track.

[0017] Preferably, the intelligent transport vehicle further comprises a walking assembly, wherein the walking assembly comprises casters rotatably arranged on the frame and a driving steering wheel capable of driving the casters to move.

[0018] Further preferably, the lifting assembly includes a motor installed on the frame, a transmission shaft driven to rotate by the motor, a longitudinal transmission belt provided at both ends of the transmission shaft and driven to vertically rotate by the transmission shaft, and a fixed frame fixed on the longitudinal transmission belt; the track mounting frame is fixed on the fixed frame.

[0019] Preferably, the electric control box is fixed to one side of the frame through a strip mounting base; the electric control box is provided with a control module and control buttons for controlling the above-mentioned lifting assembly, push-pull assembly, grabbing assembly and locking assembly, a touch display screen, a three-color alarm light, a heat fan, a voice announcer or a power supply; wherein the touch display screen is obliquely arranged on the top of the electric control box, and the three-color alarm light is hung on the side wall of the electric control box.

[0020] The beneficial effect brought by the technical solution provided by the present invention is as follows: in the present invention, a lifting assembly for realizing the up and down movement of the grabbing assembly and a push-pull assembly for realizing the horizontal pushing and pulling of the grabbing assembly are simultaneously arranged on the frame, so that the devices to be transported, such as circuit breaker trolleys or transformer trolleys, can be lifted and pulled into the frame in the vertical and horizontal directions. The circuit breaker trolley or transformer trolley is grasped by the grabbing assembly and moved into the electrical cabinet of the high-voltage switch cabinet or moved out of the electrical cabinet into the frame, finally realizing the transportation and maintenance of the circuit breaker trolley or transformer trolley, which is convenient to operate, saves time and effort, has accurate positioning and is easy to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for describing the embodiments of the present invention are briefly introduced below.

[0022] Figure 1 A three-dimensional structural diagram of an intelligent transport vehicle provided by an embodiment of the present invention;

[0023] Figure 2a for Figure 1 An enlarged structural diagram of part A of the intelligent transfer vehicle shown;

[0024] Figure 2b for Figure 1 An enlarged structural diagram of part B of the intelligent transfer vehicle shown;

[0025] Figure 2c for Figure 1 An enlarged structural diagram of the C portion of the intelligent transfer vehicle shown;

[0026] Figure 2d for Figure 1 An enlarged structural diagram of the D portion of the intelligent transport vehicle shown;

[0027] Figure 3 A three-dimensional structural diagram of the intelligent transfer vehicle provided by an embodiment of the present invention from another angle;

[0028] Figure 4a for Figure 3 An enlarged structural diagram of part A of the intelligent transfer vehicle shown;

[0029] Figure 4b for Figure 3 An enlarged structural diagram of part B of the intelligent transfer vehicle shown;

[0030] Figure 4c for Figure 3 An enlarged structural diagram of the C portion of the intelligent transfer vehicle shown;

[0031] Figure 5 A three-dimensional structural diagram of the intelligent transfer vehicle provided by an embodiment of the present invention from another angle;

[0032] Figure 6 for Figure 5 An enlarged structural diagram of part A of the intelligent transfer vehicle shown;

[0033] Figure 7 A three-dimensional structural diagram of the intelligent transfer vehicle provided by an embodiment of the present invention from another angle;

[0034] Figure 8 A three-dimensional structural diagram of a fixing frame of an intelligent transport vehicle provided in one embodiment of the present invention;

[0035] Fig. 9 A three-dimensional structural diagram of a steering wheel mechanism of an intelligent transport vehicle provided by an embodiment of the present invention;

[0036] Fig.10 A three-dimensional structural diagram of an electric control cabinet of an intelligent transfer vehicle provided by an embodiment of the present invention;

[0037] Fig.11 A three-dimensional structural diagram of a guide rail of an intelligent transfer vehicle and a locking assembly installed on the guide rail provided in one embodiment of the present invention;

[0038] Fig.12a A three-dimensional diagram of a locking assembly of an intelligent transport vehicle provided by an embodiment of the present invention;

[0039] Figure 12b for Fig.12a A three-dimensional exploded view of the locking assembly is shown. DETAILED DESCRIPTION

[0040] Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein, which are instead provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0041] It should be understood that the various steps described in the method embodiments of the present invention may be performed in different orders and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present invention is not limited in this respect.

[0042] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "connected" may be directly connected or indirectly connected through intermediate components (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0043] It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish between devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0044] First of all, to summarize, the intelligent transfer vehicle of the present invention is suitable for docking with the longitudinally rotating isolating circuit breaker to realize the transportation of large-sized or heavy devices such as the trolley, insulating plate, and transformer of the longitudinally rotating isolating circuit breaker. In the technical solution provided by the present invention, a lifting component for realizing the up and down movement of the grabbing component, a push-pull component for realizing the horizontal push and pull of the grabbing component, and a locking component for grasping the circuit breaker or transformer are set on the frame at the same time, and the devices to be transported, such as the trolley or transformer, can be lifted and lowered and pulled into the frame in the vertical and horizontal directions, and before the transfer vehicle and the longitudinally rotating isolating circuit breaker are pulled into the frame, the electrical cabinet of the longitudinally rotating isolating circuit breaker can also be locked by the locking component, so as to ensure that the frame and the electrical cabinet are fixed to each other, and then the trolley or transformer is grabbed into the frame with the help of the grabbing component, so as to realize the transportation and maintenance of the trolley or transformer, which is convenient to operate, time-saving and labor-saving, accurate in positioning, and quick to adjust.

[0045] refer to Figure 1-12b According to one embodiment of the present invention, there is provided an intelligent transport vehicle 100, which includes

[0046] The frame 10 includes a base 12, columns 14 longitudinally arranged at four corners of the base 12, and a pair of longitudinal beams 18 and a pair of transverse beams 16 connecting two adjacent columns 14 at their top ends, wherein the pair of longitudinal beams 18 are arranged in parallel, the pair of transverse beams 16 are arranged in parallel, and each longitudinal beam 18 is arranged perpendicular to the adjacent transverse beam 16;

[0047] The lifting assembly 20 includes a motor 24 mounted on one of the cross beams 16, a transmission shaft 26 disposed between two columns 14 at both ends of the cross beam 16 and driven to rotate by the motor 24, a longitudinal transmission belt 268 disposed at both ends of the transmission shaft 26 and driven by the transmission shaft 26 to rotate along the height direction of the corresponding column 14, and a fixing frame 28 fixed on the longitudinal transmission belt 268 and capable of being lifted and lowered along the height direction of the corresponding column 14;

[0048] A track assembly 60, comprising a track mounting frame 62 fixed to a corresponding fixing frame 28 and a track 64 disposed between two of the track mounting frames 62, wherein one end of the track 64 has an extended end 642 extending out of the frame 10;

[0049] A push-pull assembly 70, comprising a push-pull motor 72 fixedly mounted on one of the track mounting frames 62 and a horizontal conveyor belt 74 driven by the push-pull motor 72 to rotate along the length direction of the track 64;

[0050] A grabbing assembly 30, comprising a moving beam 32 fixed to the horizontal conveyor belt 74 and two first grabbing mechanisms 36 and a second grabbing mechanism 34 arranged on the moving beam 32;

[0051] A locking assembly 40 disposed at the end of the protruding end 642; and

[0052] An electric control box 80 is disposed on the frame 10 and is used to control the lifting assembly 20 , the push-pull assembly 70 , the grabbing assembly 30 and the locking assembly 40 .

[0053] In the above embodiment, the base 12 of the frame 10 can be composed of multiple, for example, four, profiles of suitable length connected to each other, such as aluminum alloy profiles or stainless steel. Considering that the entire intelligent transport vehicle 100 needs to transport heavy current transformers or circuit breakers in the electrical switch cabinet, it needs to have a certain load capacity, so the base 12 needs to have sufficient structural strength. Therefore, it is preferred to use steel such as stainless steel to form the base 12. Multiple profiles can be fixed to each other by appropriate means, such as riveting, threaded connection or welding. In another embodiment, the frame 10 adopts an integrally welded square tube structure to ensure the body strength of the entire vehicle and meet the load-bearing requirements.

[0054] Preferably, in one embodiment, a motor mounting plate 22 is provided on one of the beams 16, and the motor 24 is fixed on the motor mounting plate 22. Here, since the cross-sectional area of ​​the beam 16 is much smaller than that of the motor 24, when the motor 24 is directly mounted on the beam 16, it may not be successfully installed due to the limited installation area, or even if it can be installed, the connection strength after installation is not enough, which can easily cause the motor 24 to be offset during operation, and thus fail to accurately transmit power to the transmission shaft 26. After adding the motor mounting plate 22, it is equivalent to increasing the contact area of ​​the motor 24 when it is installed, so that the installation of the motor 24 can be made more firm and stable, and finally the power can be accurately transmitted to the transmission shaft 26.

[0055] In another embodiment, the motor 24 has a horizontal driving shaft 242, and a driving gear 244 is disposed on the horizontal driving shaft 242; correspondingly, a driven gear 262 is disposed on the transmission shaft 26 and meshes with the driving gear 244. Through the meshing of the two gears, the power output by the motor 24 is transmitted to the transmission shaft 26, so that the transmission shaft 26 itself rotates.

[0056] Preferably, upper transmission wheels 264 are arranged at both ends of the transmission shaft 26 near the corresponding posts 14, and lower transmission wheels 266 are arranged at the bottom of the corresponding posts 14 near the base 12, and the longitudinal transmission belt 268 is wound between the corresponding upper transmission wheels 264 and the lower transmission wheels 266. When the transmission shaft 26 rotates, the upper transmission wheels 264 are driven to rotate together, thereby causing the longitudinal transmission belt 268 to perform longitudinal rotational motion.

[0057] In one embodiment, reference Figure 8 , the fixing frame 28 can be raised and lowered along the height direction of the column 14 as the longitudinal transmission belt 268 rotates. The fixing frame 28 has a bottom plate 282 and side clamping arms 284 arranged at both ends of the bottom plate 282. The two side clamping arms 284 are respectively arranged at the two ends of the corresponding column 14, so that when the fixing frame 28 moves up and down, it is prevented from deviating from the column 14 and causing difficulty in lifting. Here, a locking block 286 is longitudinally arranged on the bottom plate 282, and the longitudinal transmission belt 268 is attached to the surface of the bottom plate 282 away from the two side clamping arms 284 and is clamped to the surface by the locking block 286, so that the longitudinal transmission belt 268 moves up and down with the fixing frame 28. It should be noted that: a plurality of locking blocks 286 can be arranged, for example, in one embodiment, two locking blocks 286 distributed up and down are arranged to further clamp the longitudinal transmission belt 268, so as to prevent the longitudinal transmission belt 268 from slipping relative to the fixing frame 28 during the lifting process and failing to lift normally.

[0058] It should be noted that although only one lifting assembly 20 is described in the above embodiment, in fact, in order to ensure a smooth lifting process, another lifting assembly 20 can be additionally provided, which is provided on another crossbeam 16 and a corresponding column 14. This can effectively prevent the occurrence of equipment jamming.

[0059] In one embodiment, a first transmission wheel 722 is provided on the push-pull motor 72 ; a bracket 726 is provided on the track mounting frame 62 on which the push-pull motor 72 is not provided, and a second transmission wheel 724 is provided on the bracket 726 ; and the horizontal conveyor belt 74 is wound between the first transmission wheel 722 and the second transmission wheel 724 .

[0060] Similarly, on the basis of the above two lifting assemblies 20, in order to ensure a smoother horizontal push-pull process, an additional push-pull assembly 70 can be provided, which is located on the corresponding component of the other lifting assembly 20. This can also effectively prevent the occurrence of equipment jamming.

[0061] The second grabbing mechanism 34 is used to grab the insulating plate on the electrical switch cabinet so as to move the heavy insulating plate into the intelligent transfer vehicle 100. It includes a base 342 fixed on the moving beam 32, a cantilever 344 arranged at one end of the base 342, a second hook plate 346 rotatably arranged at the other end of the base 342, and a second electric push rod 348 pivotally connected to the top end of the cantilever 344 and the second hook plate 346; a second slot 3462 is formed in the second hook plate 346.

[0062] Since the second grabbing mechanism 34 has the above structure, when the insulating plate needs to be grabbed and dragged into the intelligent transport vehicle 100, first, the intelligent transport vehicle 100 is moved to the side of the electrical switch cabinet so that the locking assembly 40 is hooked in the corresponding lock hole on the electrical switch cabinet, thereby ensuring that the intelligent transport vehicle 100 and the electrical switch cabinet are temporarily fixed to each other to ensure operational safety. Subsequently, when the external drive signal acts on the second electric push rod 348, it pushes the second hook plate 346 to rotate downward so that the second card slot 3462 is hooked with the corresponding part of the insulating plate, and then continues to move with the push-pull assembly 70 under the action of the external drive signal, thereby realizing the grabbing action of the insulating plate.

[0063] The two first grabbing mechanisms 36 are distributed on both sides of the second grabbing mechanism 34, and are used to grab the circuit breaker trolley or the current transformer trolley, so as to move the circuit breaker trolley or the current transformer trolley into the intelligent transport vehicle 100. Each first grabbing mechanism 36 includes a swing rod 366 rotatably sleeved on the lead screw 362 and a first hook plate 368 disposed at the end of the swing rod 366, and a first slot 3682 is provided on the first hook plate 368; the lead screw 362 is straddled at both ends of the moving beam 32 and is arranged parallel to the moving beam 32; a synchronization rod 369 is arranged in the middle of the swing rod 366, the top of the cantilever 344 is rotatably connected to one end of the first electric push rod 367, and the other end of the first electric push rod 367 is rotatably connected to the synchronization rod 369.

[0064] Similarly, since the first grabbing mechanism 36 has the above structure, when it is necessary to grab and drag the isolating circuit breaker trolley or the current transformer trolley into the intelligent transport vehicle 100, first, the intelligent transport vehicle 100 is moved to the side of the electrical switch cabinet so that the locking assembly 40 is hooked in the corresponding lock hole on the electrical switch cabinet, thereby ensuring that the intelligent transport vehicle 100 and the electrical switch cabinet are temporarily fixed to each other to ensure operational safety. Next, when the external drive signal acts on the first electric push rod 367, it pushes the synchronization rod 369 to produce a positional offset. Since the synchronization rod 369 passes through the swing rod 366, the swing rod 366 swings around the lead screw 362, so that the first hook plate 368 flips and the first slot 3682 is hooked with the corresponding part of the circuit breaker trolley or the current transformer trolley, and then continues to be driven by the external drive signal. As the push-pull assembly 70 moves, the first hook plate 368 hooks the circuit breaker trolley or the current transformer trolley and moves, thereby removing it from the electrical switch cabinet.

[0065] Preferably, a threaded sleeve 364 is sleeved on the lead screw 362, and the threaded sleeve 364 is axially connected to the swing rod 366; a driving motor 361 connected to the lead screw 362 is arranged at both ends. When the driving motor 361 is running, it drives the lead screw 362 to rotate together. Since the lead screw 362 is straddled at both ends of the slide rail 38 and cannot move axially, the lead screw 362 only has a rotational movement but no axial movement. The threaded sleeve 364 is connected to the lead screw 362 in a threaded manner, so that the threaded sleeve 364 is prompted to move axially and synchronously drives the two swing rods 366 to move axially toward or away from each other along the lead screw 362. Here, when the swing rods 366 of the two first grabbing mechanisms 36 approach each other due to the relative movement between the lead screw 326 and the threaded sleeve 364, the corresponding two second clamping grooves 3682 also approach each other, thereby unlocking the circuit breaker or current transformer trolley.

[0066] Further preferably, a slide rail 38 is provided on the moving beam 32, a slider 365 is provided on the slide rail 38, and the slider 365 is fixed to the sliding sleeve 364 through a connecting rod 363. When the rocker 366 moves axially, in order to ensure the movement accuracy and stability, the above-mentioned slide rail and slider are matched. Specifically, since the sliding between the slider 365 and the sliding sleeve 364 is a precision sliding, and the slider 365 is fixedly connected to the sliding sleeve 364, the circumferential movement of the sliding sleeve 364 is also very stable and smooth, and the rocker 366 connected to the sliding sleeve 364 also moves smoothly and smoothly, thereby improving the stability and reliability of the operation.

[0067] The locking assembly 40 is used to lock the electrical switch cabinet before the grasping operation, that is, to first fix the entire intelligent transfer vehicle 100 and the electrical switch cabinet to each other to avoid the transfer vehicle being displaced relative to the electrical switch cabinet due to the reaction force during the grasping process, which may cause danger in the grasping process, such as the equipment falling to the ground due to loose grasping.

[0068] In one embodiment, the locking assembly 40 includes a mounting seat 42 , a direct-acting cylinder 44 disposed in the mounting seat 42 , and a lock hook body 41 driven by the direct-acting cylinder 44 to swing up and down.

[0069] When receiving an external driving signal, the direct-acting cylinder 44 drives the lock hook body 41 to swing up and down within a certain angle, thereby achieving locking or unlocking between the lock hook body 41 and the electrical switch cabinet.

[0070] Preferably, an axle seat 422 is provided at one end of the mounting seat 42 , and a pin hole 4222 is provided on the axle seat 422 ; the direct-acting cylinder 44 is fixed to the mounting seat 42 by a pin 424 passing through the pin hole 4222 and the direct-acting cylinder 44 .

[0071] Preferably, a rotating seat 46 is provided at the other end of the mounting seat 42, a push block 48 is provided in the rotating seat 466, one end of the push block 48 is connected to the movable rod 442 of the direct-acting cylinder 44, and the other end of the push block 48 is provided at the bottom of the lock hook body 41; the lock hook body 41 is pivotally provided in the rotating seat 46. When the movable rod 442 of the direct-acting cylinder 44 is extended or retracted, the push block 48 is extended or retracted synchronously, and since the push block 48 is located at the bottom of the lock hook body 41, the lock hook body 41 can swing up and down with a certain amplitude relative to the rotating seat 46.

[0072] Further preferably, a first pivot hole 462 is opened on the rotating seat 46; the locking hook body 41 has a main body 411 and a second pivot hole 412 formed at one end of the main body 411, and the locking hook body 41 is pivoted and set in the rotating seat 46 by the first pivot shaft 424 passing through the first pivot hole 462 and the second pivot hole 412 in sequence.

[0073] Further preferably, a movable groove 482 is provided at the other end of the push block 48, and third pivot holes 4822 are provided on both sides of the movable groove 482; a hook portion 413 is formed at the other end of the main body 411, a protrusion 414 is provided at the bottom of the main body 411, and a slide groove 4142 is provided in the protrusion 414 and is inclined relative to the upper surface of the main body 411; the protrusion 414 is inserted into the movable groove 482, and the rotating shaft (not shown) is inserted into the third pivot hole 4822 and the slide groove 4142.

[0074] In the above embodiment, since the slide groove is formed at an inclination relative to the upper surface of the main body, when the movable rod 442 of the direct-acting cylinder 44 is extended or retracted, the push block 48 is also extended or retracted, and the sliding of the rotating shaft in the slide groove causes the lock hook body 41 to swing up and down within a certain range relative to the rotating seat 41. For example, when the movable rod of the direct-acting cylinder is not extended or retracted, the lock hook body is in a horizontal state and is not hooked in the corresponding lock hole on the electrical switch cabinet; when the movable rod of the direct-acting cylinder is extended or retracted, the movement of the push block causes the lock hook body to be lifted up (swinging upward at a certain angle and maintained at this angle), thereby hooking in the corresponding lock hole on the electrical switch cabinet, thereby ensuring that the intelligent transfer vehicle and the electrical switch cabinet are temporarily fixed to each other to ensure operational safety.

[0075] Further preferably, the locking assembly 40 further comprises a baffle 43 disposed in front of the rotating seat 46, a window 432 is formed on the baffle 43, and the hook 413 extends out of the window 432. The purpose of providing the baffle is to facilitate the intelligent transport vehicle to approach the electrical switch cabinet so that the baffle can achieve a firm fit between the two, thereby allowing the hook to extend and enter the corresponding lock hole to achieve a locking action.

[0076] In one embodiment, the intelligent transport vehicle 100 further includes a walking assembly 50 for moving the frame 10 as a whole. The walking assembly 50 includes a caster 52 rotatably disposed on the base 12 and a driving steering wheel 54 that can drive the caster 52 to move.

[0077] For example, the driving steering wheel 54 is installed between two adjacent columns 14 so as to be movable up and down. When the driving steering wheel 54 moves downward to a certain extent, the driving steering wheel 54 begins to contact the ground, and then as the driving steering wheel 54 rolls relative to the ground, a moving force is provided to the entire intelligent transport vehicle 100, so that the intelligent transport vehicle 100 can move on the ground.

[0078] In one embodiment, a fixing plate 56 is horizontally disposed between two adjacent columns 14 , and an electric cylinder 542 is disposed at the bottom of the fixing plate 56 to enable the driving steering wheel 54 to move up and down.

[0079] For example, the electric cylinder 542 has an electric cylinder body 5422 and an electric cylinder shaft 5424 extending from one end of the electric cylinder body 5422, the electric cylinder shaft 5424 is mounted on the fixed plate 56, and the electric cylinder body 5422 is fixedly connected to the driving steering wheel 54. When an external driving signal acts on the electric cylinder 542, the electric cylinder shaft 5424 extends relative to the electric cylinder body 5422. Since the electric cylinder shaft 5424 is fixed to the fixed plate 56, and the fixed plate 56 itself is fixed relative to two adjacent columns 14, the electric cylinder body 5422 moves downward, and accordingly, the driving steering wheel 54 fixedly connected to the electric cylinder body 5422 also moves downward and contacts the ground, and as the driving steering wheel 54 rolls relative to the ground, the intelligent transport vehicle 100 moves as a whole, thereby realizing the transportation of the equipment to be repaired on the intelligent transport vehicle 100, such as current transformers and circuit breakers, to the destination for maintenance.

[0080] Preferably, the electric cylinder body 5422 is fixed to one surface of the steering wheel mounting plate 59, and the driving steering wheel 54 is installed on another opposite surface of the steering wheel mounting plate 59, so that the power of the electric cylinder body 5422 is transmitted to the driving steering wheel 54 through the steering wheel mounting plate 59, causing it to contact the ground.

[0081] Further preferably, the walking assembly 50 also includes a side plate 51, on which a first support wall 514 and a second support wall 512 located below the first support wall 514 are arranged; a guide rod 516 is arranged between the first support wall 514 and the second support wall 512, and the guide rod 516 passes through the steering wheel mounting plate 58, so that the steering wheel mounting plate 58 is slidably arranged between the first support wall 514 and the second support wall 512; a compression spring 53 sleeved on the guide rod 516 is arranged between the steering wheel mounting plate 58 and the second support wall 512. The purpose of setting the compression spring 53 is to reduce the vibration of the driving steering wheel 54 when rolling relative to the ground. For example, if the intelligent transport vehicle 100 is bumpy due to uneven road surface and may damage the equipment, the compression spring 53 can play a shock-absorbing effect, thereby making the walking process more stable and smooth.

[0082] Preferably, the electric control box 80 is fixed to one side of the frame 10 through a strip mounting seat to improve space utilization and avoid occupying the installation space of the frame along the push-pull direction. The electric control box 80 is provided with a control module and control buttons for controlling the lifting assembly 20, the push-pull assembly 70, the grab assembly 30 and the locking assembly 40, a touch screen 81, a three-color alarm light 82, a fan heater, a voice announcer or a power supply and other modules. Among them, the touch screen 81 is tiltedly arranged at the top of the electric control box to facilitate the operator to input or read data, and the three-color alarm light 82 is hung on the side wall of the electric control box.

[0083] In summary, the intelligent transfer vehicle provided by the present invention can perform the transfer work of the isolating circuit breaker trolley, the insulating board and the current transformer trolley in manual and semi-automatic modes. The transfer operation of the circuit breaker trolley and the current transformer trolley can be realized by operating the control buttons and the touch screen on the electric control box. It is an efficient, labor-saving and convenient transfer tool.

[0084] The above description is only a preferred embodiment of the present invention and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present invention is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the above features are replaced with the technical features with similar functions invented in the present invention (but not limited to) to form a technical solution.

[0085] Although the subject matter has been described in language specific to structural features and / or methodological logical actions, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. On the contrary, the specific features and actions described above are merely example forms of implementing the claims.

Claims

1. An intelligent transfer vehicle, used to realize the transfer of circuit breaker trolleys or transformer trolleys of high-voltage switch cabinets, characterized in that: It includes a rack, a lifting assembly, a track assembly, a push-pull assembly, a grab assembly, and an electric control box; The lifting assembly is arranged on the frame, the track assembly is arranged on the lifting assembly and is driven by the lifting assembly to lift and lower, the push-pull assembly is arranged on the track assembly, the grabbing assembly is configured to grab a circuit breaker trolley or a transformer trolley, is arranged on the push-pull assembly and is driven by the push-pull assembly to move on the track assembly, and the electric control box is electrically connected to the lifting assembly, the push-pull assembly and the grabbing assembly to control them.

2. The intelligent transport vehicle according to claim 1, characterized in that: The grabbing assembly includes a moving beam and a pair of first grabbing mechanisms, wherein the moving beam is fixed to the push-pull assembly and extends in a direction perpendicular to the track assembly, and the pair of first grabbing mechanisms are arranged at intervals on the moving beam and can be controlled to move closer to or farther from each other, and each of the first grabbing mechanisms includes a swing rod that can swing longitudinally and a first hook plate arranged at the end of the swing rod, and a first slot is provided on the first hook plate; the corresponding swing rods of the pair of first grabbing mechanisms are arranged to swing synchronously.

3. The intelligent transport vehicle according to claim 2, characterized in that: The grabbing assembly also includes a lead screw arranged parallel to the moving beam, a base fixed on the moving beam, a cantilever arranged at one end of the base and a synchronization rod passing through the middle part of each of the swing rods; each of the swing rods is sleeved on the lead screw; the top of the cantilever is rotatably connected to one end of the first electric push rod, and the other end of the first electric push rod is rotatably connected to the synchronization rod.

4. The intelligent transport vehicle according to claim 3, characterized in that: The grabbing assembly also includes a second grabbing mechanism for grabbing the insulating plate of the high-voltage switch cabinet. The second grabbing mechanism is arranged between the two first grabbing mechanisms, and includes a second hook plate rotatably arranged on the base at the other end opposite to the one end where the cantilever is arranged, and a second electric push rod pivotally connected to the top end of the cantilever and the second hook plate at the same time; a second slot is formed in the second hook plate.

5. The intelligent transport vehicle according to claim 1, characterized in that: It also includes a locking assembly arranged on the track assembly, and the locking assembly includes a mounting seat, a direct-acting cylinder arranged in the mounting seat, and a lock hook body driven by the direct-acting cylinder to swing up and down.

6. The intelligent transport vehicle according to claim 5, characterized in that: An axle seat is arranged at one end of the mounting seat, and a pin hole is provided on the axle seat; the direct-acting cylinder is fixed to the mounting seat by a pin passing through the pin hole and the direct-acting cylinder; a rotating seat is arranged at the other end of the mounting seat, and a push block is arranged in the rotating seat, one end of the push block is connected to the movable rod of the direct-acting cylinder, and the other end of the push block is arranged at the bottom of the lock hook body; the lock hook body is pivotally arranged in the rotating seat.

7. The intelligent transport vehicle according to claim 5, characterized in that: The track assembly comprises a track mounting frame fixed on the frame and a track arranged between two track mounting frames, one end of the track has an extended end extending out of the frame; the locking assembly is arranged at the end of the extended end.

8. The intelligent transport vehicle according to claim 7, characterized in that: The push-pull assembly includes a push-pull motor fixed on one of the track mounting frames and a horizontal conveyor belt driven by the push-pull motor to rotate along the length direction of the track; the moving beam is fixed on the horizontal conveyor belt so that the moving beam moves along the track.

9. The intelligent transport vehicle according to claim 1, characterized in that: The machine also comprises a walking assembly, which comprises a caster rotatably arranged on the frame and a driving steering wheel capable of driving the caster to move.

10. The intelligent transport vehicle according to claim 8, characterized in that: The lifting assembly includes a motor installed on the frame, a transmission shaft driven to rotate by the motor, a longitudinal transmission belt provided at both ends of the transmission shaft and driven to rotate vertically by the transmission shaft, and a fixing frame fixed on the longitudinal transmission belt; the track mounting frame is fixed on the fixing frame.

11. The intelligent transport vehicle according to claim 5, characterized in that: The electric control box is fixed to one side of the frame through a strip mounting base; the electric control box is provided with a control module and control buttons for controlling the above-mentioned lifting assembly, push-pull assembly, grabbing assembly and locking assembly, a touch display screen, a three-color alarm light, a heat fan, a voice announcer or a power supply; wherein the touch display screen is obliquely arranged on the top of the electric control box, and the three-color alarm light is hung on the side wall of the electric control box.

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