Special charging pile for heavy truck

Abstract

The invention relates to the technical field of charging piles, in particular to a charging pile special for a heavy truck, a disc-shaped storage assembly comprises a disc-shaped shell, a center column body fixed to the center of the disc-shaped shell, a reel rotationally connected with the center column body in a sleeving mode and a driving mechanism arranged on the top face of the disc-shaped shell, and the bottom of a charging pile cabinet body is fixed to the top face of the disc-shaped shell; a wiring terminal is arranged on the top surface of the central cylinder, annular conductors electrically connected with the wiring terminal are fixed in a plurality of annular grooves in the peripheral wall of the bottom of the central cylinder respectively, conductor sliding blocks clamped with the annular grooves in a sliding manner are fixed on the inner peripheral wall of the reel, and a core wire of a charging cable wound on the reel is electrically connected with the conductor sliding blocks; a cable supporting frame and a gun base supporting frame are arranged on the movable support, and walking wheels are arranged at the bottom of the movable support. The walking supporting mechanism comprises a plurality of split rings arranged on the charging cable in a sleeving mode, supporting blocks connected to the bottoms of the split rings and supporting wheels installed on the bottom faces of the supporting blocks. And the charging pile can charge the new energy heavy truck conveniently.

Description

Technical Field

[0001] The present invention relates to the technical field of charging piles, and specifically to a special charging pile for heavy trucks. Background Art

[0002] With the increasing emphasis on environmental protection, technological progress, and energy security in various countries around the world, the application of internal combustion engines that consume a large amount of fossil energy in the field of road transportation is gradually being replaced by electric new energy vehicles. Automobile charging piles have emerged in large numbers, and new problems have arisen along with these emerging products.

[0003] Among them, a type of new energy heavy truck has gradually started to be popularized and applied. However, for new energy heavy trucks, the charging cable of the special charging pile is relatively thick and heavy, and moreover, for different types of new energy heavy trucks, their charging holes are variable. Therefore, during the charging process, it is difficult to move and store the charging gun head, and when dragging the charging gun head, it is also easy to cause wear of the charging cable.

[0004] Therefore, there is an urgent need for a special charging pile for heavy trucks to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a special charging pile for heavy trucks, which is used to solve the problem that the existing charging piles are not convenient for charging new energy heavy trucks.

[0006] To achieve the above object, the present invention provides the following technical solution: a special charging pile for heavy trucks, which includes a charging pile cabinet body, a charging cable, and a charging gun assembled at the free end of the charging cable. The disc-shaped storage assembly includes a disc-shaped housing, a central column fixedly sleeved at the center of the disc-shaped housing, a reel rotatably sleeved on the central column in the inner cavity of the disc-shaped housing, and a driving mechanism provided at a position near the middle of the top surface of the disc-shaped housing for driving the reel to rotate. The bottom of the charging pile cabinet body is fixed to the top surface of the disc-shaped housing. The top end of the central column and the top of the driving mechanism are accommodated in the inner cavity of the charging pile cabinet body. A wiring terminal is provided on the top surface of the central column. A plurality of annular grooves are provided on the outer peripheral wall of the bottom of the central column in the vertical direction. Annular conductors electrically connected to the wiring terminal one by one are fixedly sleeved in the annular grooves respectively. A conductor slider slidably clamped with the annular groove is fixed on the inner peripheral wall of the reel. The charging cable is wound on the reel, and the core conductors of the charging cable are electrically connected to the conductor slider one by one. A cable support frame for fixedly supporting the free end of the charging cable and a gun seat support frame for fixedly supporting the charging gun are provided on the moving support. Walking wheels are provided at the four corners of the bottom of the moving support. The walking support mechanism includes a plurality of split rings sleeved on the charging cable, support blocks detachably and fixedly connected to the bottoms of the split rings, and support wheels installed at the four corner positions of the bottom surfaces of the support blocks.

[0007] Preferably, a side opening is formed in the middle of the front wall of the disc-shaped housing. A top plate and a bottom plate are respectively fixed at positions on the front wall of the disc-shaped housing above and below the side opening. Grooved pulleys are respectively rotatably installed between the two ends of the top plate and the bottom plate.

[0008] Preferably, a ramp plate is fixedly connected to the front end of the bottom plate.

[0009] Preferably, a circular groove is provided in the middle of the top surface of the disc-shaped housing. The central column includes an insulating plate fixedly sleeved in the circular groove at the bottom end and an insulating column body fixedly connected to the middle of the bottom surface of the insulating plate at the top end. The wiring terminal is fixedly sleeved on the top surface of the insulating plate. The annular groove is provided on the outer peripheral wall of the insulating column body.

[0010] Preferably, the reel includes an insulating cylinder body rotatably sleeved outside the insulating column body and annular end plates fixedly sleeved at the top and bottom ends of the insulating cylinder body. The conductor slider is nested on the inner peripheral wall of the insulating cylinder body.

[0011] Preferably, a shaft hole is provided at a position on the top surface of the disc-shaped housing near the circular groove. The driving mechanism includes a servo motor fixed on the top surface of the disc-shaped housing corresponding to the shaft hole position and a gear fixedly sleeved at the bottom end of the power output shaft of the servo motor. An internal gear ring meshing with the gear is fixedly provided at the middle position of the top surface of the annular end plate.

[0012] Preferably, the movable support includes a base, the walking wheels are installed at four corner positions on the bottom surface of the base, and the bottom ends of the cable support frame and the gun seat support frame are respectively fixedly connected to the rear side and the front side of the middle part of the top surface of the base by bolts.

[0013] Preferably, the cable support frame includes a pair of vertical plates fixedly connected to the rear side of the middle part of the top surface of the base at the bottom ends and a plurality of annular bodies fixed vertically between the two vertical plates, and the gun seat support frame includes a vertical frame fixed to the front side of the middle part of the top surface of the base at the bottom end and a gun socket fixed to the top end of the vertical frame and used for inserting the charging gun.

[0014] Preferably, connecting plates are respectively fixed to both sides of the bottom opening of the opening ring, a screw hole is provided in the middle of the side wall of the connecting plate, an arc-shaped groove that is snap-fitted with the bottom of the opening ring is provided in the middle of the top surface of the support block, slots that are inserted and matched with the connecting plates are respectively provided on both sides of the middle of the arc-shaped groove, a through hole corresponding to the screw hole is provided in the side wall of the support block, and a bolt that is threadedly sleeved and matched with the screw hole is rotatably sleeved in the through hole.

[0015] Preferably, both the walking wheels and the supporting wheels are universal wheels, and the walking wheels are universal wheels with a braking structure.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. A special charging pile for heavy trucks involved in the present invention facilitates the winding and unwinding of the charging cable through the driving mechanism and the reel, and facilitates the dragging of the charging gun and the charging cable through the movable support, so as to facilitate the movement of the charging gun to the charging port of the new energy heavy truck, thus preferably solving the problem that the charging pile is not convenient for the charging operation of the new energy heavy truck.

[0018] 2. In a special charging pile for heavy trucks involved in the present invention, the walking support mechanism supports the unwound charging cable, which not only avoids the friction between the charging cable and the ground, but also facilitates reducing the resistance of dragging the charging cable through the supporting wheels. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the whole of the present invention;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the disc-shaped storage assembly of the present invention;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the disc-shaped housing of the present invention;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the central column body of the present invention;

[0023] Figure 5 This is a schematic three-dimensional structure diagram of the reel of the present invention;

[0024] Figure 6 This is a schematic three-dimensional structure diagram of the drive mechanism of the present invention;

[0025] Figure 7 This is a schematic three-dimensional structure diagram of the moving support of the present invention;

[0026] Figure 8 This is a schematic three-dimensional structure diagram of the traveling support mechanism of the present invention.

[0027] In the figure: 1 - charging pile cabinet;

[0028] 2 - charging cable;

[0029] 3 - charging gun;

[0030] 4 - disc-shaped storage assembly; 4.1 - disc-shaped housing; 4.1.1 - circular groove; 4.1.2 - side opening; 4.1.3 - top plate; 4.1.4 - bottom plate; 4.1.5 - sheave; 4.1.6 - ramp plate; 4.1.7 - shaft hole; 4.2 - central cylinder; 4.2.1 - insulating plate; 4.2.2 - insulating column; 4.2.2.1 - annular groove; 4.2.3 - terminal; 4.2.4 - annular conductor; 4.3 - reel; 4.3.1 - insulating cylinder; 4.3.2 - annular end plate; 4.3.3 - conductor slider; 4.3.4 - internal gear ring; 4.4 - drive mechanism; 4.4.1 - servo motor; 4.4.2 - gear;

[0031] 5 - moving support; 5.1 - base; 5.2 - traveling wheel; 5.3 - cable support frame; 5.3.1 - vertical plate; 5.3.2 - ring body; 5.4 - gun seat support frame; 5.4.1 - vertical frame; 5.4.2 - gun socket;

[0032] 6 - traveling support mechanism; 6.1 - support block; 6.1.1 - arc-shaped groove; 6.1.2 - slot; 6.1.3 - through hole; 6.2 - open ring; 6.2.1 - connecting plate; 6.2.2 - screw hole; 6.3 - bolt; 6.4 - support wheel. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer toFigure 1-8 , the present invention provides a technical solution, a special charging pile for heavy trucks, including a charging pile cabinet 1, a charging cable 2, and a charging gun 3 assembled at the free end of the charging cable 2.

[0035] The disc-shaped storage assembly 4 includes a disc-shaped housing 4.1, a central column 4.2 fixedly sleeved at the center of the disc-shaped housing 4.1, a reel 4.3 located in the inner cavity of the disc-shaped housing 4.1 and rotatably sleeved on the central column 4.2, and a driving mechanism 4.4 provided at a position near the middle of the top surface of the disc-shaped housing 4.1 for driving the reel 4.3 to rotate. The bottom of the charging pile cabinet 1 is fixed to the top surface of the disc-shaped housing 4.1. The top end of the central column 4.2 and the top of the driving mechanism 4.4 are accommodated in the inner cavity of the charging pile cabinet 1. A wiring terminal 4.2.3 is provided on the top surface of the central column 4.2. A plurality of annular grooves 4.2.2.1 are provided on the outer peripheral wall of the bottom of the central column 4.2 along the vertical direction. Annular conductors 4.2.4 electrically connected to the wiring terminal 4.2.3 one by one are fixedly sleeved in the annular grooves 4.2.2.1 respectively. A conductor slider 4.3.3 slidably engaged with the annular grooves 4.2.2.1 is fixed to the inner peripheral wall of the reel 4.3. The charging cable 2 is wound around the reel 4.3, and the core conductors of the charging cable 2 are electrically connected to the conductor sliders 4.3.3 one by one. Among them, a side opening 4.1.2 is provided in the middle of the front wall of the disc-shaped housing 4.1. A top plate 4.1.3 and a bottom plate 4.1.4 are respectively fixed to the positions on the upper and lower sides of the side opening 4.1.2 on the front wall of the disc-shaped housing 4.1. Sheave wheels 4.1.5 are respectively rotatably installed between the two ends of the top plate 4.1.3 and the bottom plate 4.1.4. A circular groove 4.1.1 is provided in the middle of the top surface of the disc-shaped housing 4.1. The central column 4.2 includes an insulating plate 4.2.1 fixedly sleeved at the bottom end in the circular groove 4.1.1 and an insulating column 4.2.2 fixedly connected to the middle of the bottom surface of the insulating plate 4.2.1 at the top end. The wiring terminal 4.2.3 is fixedly sleeved on the top surface of the insulating plate 4.2.1. The annular grooves 4.2.2.1 are provided on the outer peripheral wall of the insulating column 4.2.2. The reel 4.3 includes an insulating cylinder 4.3.1 rotatably sleeved outside the insulating column 4.2.2 and annular end plates 4.3.2 fixedly sleeved at the top and bottom ends of the insulating cylinder 4.3.1. The conductor sliders 4.3.3 are nested on the inner peripheral wall of the insulating cylinder 4.3.1. An axial hole 4.1.7 is provided at a position near the circular groove 4.1.1 on the top surface of the disc-shaped housing 4.1. The driving mechanism 4.4 includes a servo motor 4.4.1 fixed to the top surface of the disc-shaped housing 4.1 and corresponding to the position of the axial hole 4.1.7, and a gear 4.4.2 fixedly sleeved at the bottom end of the power output shaft of the servo motor 4.4.1. An internal gear ring 4.3.4 meshing with the gear 4.4.2 is fixed at the middle position of the top surface of the annular end plate 4.3.2.

[0036] The movable support 5 is provided with a cable support frame 5.3 for fixedly supporting the free end of the charging cable 2 and a gun support frame 5.4 for fixedly supporting the charging gun 3. At the four corners of the bottom of the movable support 5, there are traveling wheels 5.2. Among them, the movable support 5 includes a base 5.1. The traveling wheels 5.2 are installed at the four corner positions of the bottom surface of the base 5.1. The bottom ends of the cable support frame 5.3 and the gun support frame 5.4 are respectively fixedly connected to the rear side and the front side of the middle part of the top surface of the base 5.1 by bolts. The cable support frame 5.3 includes paired vertical plates 5.3.1 whose bottom ends are fixedly connected to the rear side of the middle part of the top surface of the base 5.1 and a plurality of annular bodies 5.3.2 fixedly arranged vertically between the two vertical plates 5.3.1. The gun support frame 5.4 includes a vertical frame 5.4.1 whose bottom end is fixed to the front side of the middle part of the top surface of the base 5.1 and a gun socket 5.4.2 fixed to the top end of the vertical frame 5.4.1 and used for inserting the charging gun 3. The traveling wheels 5.2 are universal wheels with a braking structure.

[0037] The walking support mechanism 6 includes a plurality of split rings 6.2 sleeved on the charging cable 2, a support block 6.1 detachably and fixedly connected to the bottom of the split ring 6.2, and support wheels 6.4 installed at the four corner positions of the bottom surface of the support block 6.1. Among them, on both sides of the bottom opening of the split ring 6.2, there are respectively fixed connection plates 6.2.1. In the middle of the side wall of the connection plate 6.2.1, there is a screw hole 6.2.2. In the middle of the top surface of the support block 6.1, there is an arc-shaped groove 6.1.1 that is clamped and matched with the bottom of the split ring 6.2. On both sides of the middle of the arc-shaped groove 6.1.1, there are respectively slots 6.1.2 that are inserted and matched with the connection plate 6.2.1. In the side wall of the support block 6.1, there is a through hole 6.1.3 corresponding to the screw hole 6.2.2. A bolt 6.3 that is threadedly sleeved and matched with the screw hole 6.2.2 is rotatably sleeved in the through hole 6.1.3. The traveling wheels 5.2 and the support wheels 6.4 are both universal wheels.

[0038] In summary, when it is necessary to charge the new energy heavy truck, the servo motor 4.4.1 is started to drive the gear 4.4.2 to rotate. The gear 4.4.2 drives the entire reel 4.3 to rotate through the internal gear ring 4.3.4, so as to realize the unwinding of the charging cable 2. The charging gun 3 and the charging cable 2 are towed by the moving support 6. The unwound charging cable 2 is towed along with the moving support 6 under the support of the traveling support mechanism 6. The moving support 5 is facilitated to move quickly and lightly through the support of the traveling wheels 5.2, so as to flexibly move the charging gun 3 to the charging port position of the new energy heavy truck. The charging gun 3 is pulled out from the gun socket 5.4.2 and inserted into the charging port of the new energy heavy truck to realize the charging process. Among them, while the reel 4.3 rotates relative to the central column 4.2, the conductor slider 4.3.3 slides along the annular groove 4.2.2.1, and the conductor slider 4.3.3 is always in electrical contact with the annular conductor 4.2.4. The terminal 4.2.3 is electrically connected to the charging system in the charging pile cabinet 1, so as to realize the power connection between the charging system and the charging gun 3.

[0039] After charging is completed, the charging gun 3 is reinstalled on the gun socket 5.4.2. The servo motor 4.4.1 rotates in the reverse direction, so as to realize the reverse rotation of the reel 4.3, so as to wind up the charging cable 2. The moving support 5 is pushed towards the charging pile cabinet 1, and the storage of the charging cable 2 can be completed.

[0040] In order to facilitate the support wheel 6.4 to roll smoothly from the bottom plate 4.1.4 to the ground, a ramp plate 4.1.6 is fixedly connected to the front end of the bottom plate 4.1.4.

[0041] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special charging pile for heavy trucks, comprising a charging pile cabinet body (1), a charging cable (2), and a charging gun (3) assembled at the free end of the charging cable (2), characterized in that, Further included are: a disc-shaped storage assembly (4), the disc-shaped storage assembly (4) comprising a disc-shaped housing (4.1), a central cylinder (4.2) fixedly sleeved at the center of the disc-shaped housing (4.1), a reel (4.3) located in the inner cavity of the disc-shaped housing (4.1) and rotatably sleeved on the central cylinder (4.2), and a driving mechanism (4.4) provided at a position near the middle of the top surface of the disc-shaped housing (4.1) for driving the reel (4.3) to rotate. The bottom of the charging pile cabinet (1) is fixed to the top surface of the disc-shaped housing (4.1). The top end of the central cylinder (4.2) and the top of the driving mechanism (4.4) are received in the inner cavity of the charging pile cabinet (1). A wiring terminal (4.2.3) is provided on the top surface of the central cylinder (4.2). A plurality of annular grooves (4.2.2.1) are provided on the outer peripheral wall of the bottom of the central cylinder (4.2) in the vertical direction. Annular conductors (4.2.4) electrically connected to the wiring terminal (4.2.3) one by one are fixedly sleeved in the annular grooves (4.2.2.1). A conductor slider (4.3.3) slidably clamped with the annular grooves (4.2.2.1) is fixed to the inner peripheral wall of the reel (4.3). The charging cable (2) is wound on the reel (4.3), and the core conductors of the charging cable (2) are electrically connected to the conductor sliders (4.3.3) one by one; a mobile support (5), on which a cable support frame (5.3) for fixedly supporting the free end of the charging cable (2) and a gun seat support frame (5.4) for fixedly supporting the charging gun (3) are provided. Travel wheels (5.2) are provided at the four corners of the bottom of the mobile support (5); a traveling support mechanism (6), the traveling support mechanism (6) comprising a plurality of split rings (6.2) sleeved on the charging cable (2), support blocks (6.1) detachably and fixedly connected to the bottoms of the split rings (6.2), and support wheels (6.4) installed at the four corners of the bottom surfaces of the support blocks (6.1).

2. The special charging pile for heavy trucks according to claim 1, wherein: A side opening (4.1.2) is formed in the middle of the front wall of the disc-shaped housing (4.1). A top plate (4.1.3) and a bottom plate (4.1.4) are respectively fixed to the positions above and below the side opening (4.1.2) on the front wall of the disc-shaped housing (4.1). Sheave wheels (4.1.5) are respectively rotatably installed between the two ends of the top plate (4.1.3) and the bottom plate (4.1.4).

3. The dedicated heavy truck charging pile according to claim 2, characterized in that: The front end of the bottom plate (4.1.4) is fixedly connected with a ramp plate (4.1.6).

4. The dedicated heavy truck charging pile according to claim 2, characterized in that: A circular groove (4.1.1) is provided in the middle of the top surface of the disc-shaped housing (4.1). The central column body (4.2) includes an insulating plate (4.2.1) fixedly sleeved at the bottom end in the circular groove (4.1.1) and an insulating column body (4.2.2) fixedly connected to the middle of the bottom surface of the insulating plate (4.2.1) at the top end. The wiring terminal (4.2.3) is fixedly sleeved on the top surface of the insulating plate (4.2.1), and the annular groove (4.2.2.1) is provided on the outer peripheral wall of the insulating column body (4.2.2).

5. The dedicated heavy-truck charging pile according to claim 4, characterized in that: The reel (4.3) includes an insulating cylinder body (4.3.1) rotatably sleeved outside the insulating column body (4.2.2) and annular end plates (4.3.2) fixedly sleeved at the top end and the bottom end of the insulating cylinder body (4.3.1). The conductor slider (4.3.3) is nested on the inner peripheral wall of the insulating cylinder body (4.3.1).

6. The special charging pile for heavy trucks according to claim 5, wherein: An axial hole (4.1.7) is provided at a position on the top surface of the disc-shaped housing (4.1) close to the circular groove (4.1.1). The driving mechanism (4.4) includes a servo motor (4.4.1) fixed on the top surface of the disc-shaped housing (4.1) and corresponding to the position of the axial hole (4.1.7) and a gear (4.4.2) fixedly sleeved at the bottom end of the power output shaft of the servo motor (4.4.1). An internal gear ring (4.3.4) meshing with the gear (4.4.2) is fixedly provided at the middle position of the top surface of the annular end plate (4.3.2).

7. A special charging pile for heavy trucks according to claim 1, characterized in that: The moving support (5) includes a base (5.1). The traveling wheels (5.2) are installed at the four corner positions of the bottom surface of the base (5.1). The bottom ends of the cable support frame (5.3) and the gun seat support frame (5.4) are respectively fixedly connected to the rear side and the front side of the middle part of the top surface of the base (5.1) by bolts.

8. The dedicated heavy truck charging pile according to claim 7, wherein: The cable support frame (5.3) includes vertical plates (5.3.1) arranged in pairs and fixedly connected to the rear side of the middle part of the top surface of the base (5.1) at the bottom ends and a plurality of ring bodies (5.3.2) fixedly arranged vertically between the two vertical plates (5.3.1). The gun seat support frame (5.4) includes a vertical frame (5.4.1) fixed to the front side of the middle part of the top surface of the base (5.1) at the bottom end and a gun socket (5.4.2) fixed to the top end of the vertical frame (5.4.1) and used for inserting the charging gun (3).

9. A dedicated charging pile for heavy trucks according to claim 1, characterized in that: Connecting plates (6.2.1) are respectively fixed on both sides of the bottom end opening of the open ring (6.2). A screw hole (6.2.2) is provided in the middle of the side wall of the connecting plate (6.2.1). An arc-shaped groove ( 6.1.1) matching the bottom of the open ring (6.2) in a clamping manner is provided in the middle of the top surface of the support block (6.1). Slots (6.1.2) matching the connecting plates (6.2.1) in an inserting manner are respectively provided on both sides of the middle of the arc-shaped groove (6.1.1). A through hole ( 6.1.3) corresponding to the screw hole (6.2.2) is provided on the side wall of the support block (6.1). A bolt (6.3) threadedly sleeved and matched with the screw hole (6.2.2) is rotatably sleeved in the through hole (6.1.3).

10. The special charging pile for heavy trucks according to claim 1, characterized in that: Both the traveling wheels (5.2) and the supporting wheels (6.4) are universal wheels, and the traveling wheels (5.2) are universal wheels with a braking structure.

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