CN210363421U

CN210363421U - Scissor type downward-pressing charging bow

Info

Publication number: CN210363421U
Application number: CN201921429263.9U
Authority: CN
Inventors: 李春丰; 刘靖
Original assignee: DALIAN LUOBINSEN POWER SUPPLY EQUIPMENT CO LTD
Current assignee: DALIAN LUOBINSEN POWER SUPPLY EQUIPMENT CO LTD
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-21
Anticipated expiration: 2029-08-30

Abstract

Cut fork and push down the bow that charges, including mount pad, drive mechanism, elevating system and plate electrode combined mechanism, the utility model discloses a cut fork and push down the bow that charges, the bow that charges adopts and cuts fork elevating gear, and the bow that charges realizes charging for electric automobile through the plate electrode contact of cutting fork elevating gear's up-and-down motion drive plate electrode and on-vehicle pantograph. The structure is simple, and the operation is stable; sufficient pre-pressure is generated when the scissor-type lifting device runs, the electrode plate can be in tight contact with the electrode plate of the vehicle-mounted pantograph, the phenomenon of arc discharge caused by poor contact of the electrode plate is avoided, and therefore the performance and the service life of the charging pantograph and the storage battery of the electric automobile are guaranteed.

Description

Scissor type downward-pressing charging bow

Technical Field

The utility model relates to a pure electric vehicles technical field, concretely relates to electric locomotive battery charging outfit.

Background

Electric vehicles use electric energy as a power source, and vehicles driven by a motor belong to new energy vehicles, including pure electric vehicles (BEV), Hybrid Electric Vehicles (HEV), and Fuel Cell Electric Vehicles (FCEV), and are increasingly widely used due to their environmental protection.

The charging bow is the charging equipment of the electric locomotive, is arranged in the charging frame and is matched with the vehicle-mounted pantograph for use, and the traditional charging bow is easy to cause the condition of poor contact by the electrode plate in the use process, thereby generating the arc discharge phenomenon and influencing the performance and the service life of the charging equipment and the storage battery.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that traditional bow that charges exists, the utility model provides a cut fork and push down the bow that charges.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the scissor-fork type downward-pressing charging bow comprises a mounting seat 14, a transmission mechanism 18, a lifting mechanism 19 and an electrode plate combined mechanism 20, wherein two linear guide rails 5 are arranged in parallel on the inner side of a frame-type mounting seat 14 fixed on a charging frame, the transmission mechanism 18 is arranged between the two parallel linear guide rails 5 on the mounting seat 14, a servo motor 2 of the transmission mechanism 18 is connected with a double-output-shaft speed reducer 3, ball screws 4 are respectively arranged on output shafts on two sides of the double-output-shaft speed reducer 3, brackets 6 are respectively arranged between the two linear guide rails 5 on two sides of the transmission mechanism 18 in a sliding manner, ball screw nuts 17 are respectively arranged on the inner sides of the two brackets 6, and the ball screws 4 on two sides of the double-output-shaft speed reducer 3; the lower parts of the two brackets 6 are connected with a lifting mechanism 19, the lifting mechanism 19 is a front and back parallel push rod connecting structure, the middle parts of two push rods 7 on the same layer of each push rod connecting structure are in cross connection through a rotating shaft, and the end parts of the push rods 7 at the connection parts of the middle layers and the layers of the front and back push rod structures are movably connected through a shaft 8; the lower end of the lifting mechanism 19 is connected with an electrode plate combination mechanism 20, and the electrode plate 12 is arranged at the lower parts of the front and the rear electrode plate brackets 11 of the electrode plate combination mechanism 20.

The lower part of the bracket 6 is fixedly provided with connecting blocks 16, the inner sides of the two connecting blocks 16 are respectively provided with a ball screw nut 17, and the ball screws 4 on the two sides of the double-output-shaft speed reducer 3 are transversely arranged in the connecting blocks 16 in a penetrating way through the ball screw nuts 17.

The upper ends of the four push rods 7 on the uppermost layer of the lifting mechanism 19 are respectively fixed on the front side and the rear side of the connecting block 16.

And a mounting bracket 1 for connecting a charging rack is mounted on the frame of the mounting seat 14.

The upper parts of the two electrode plate brackets 11 are respectively provided with a drag chain bracket 10 through supporting blocks 22, a balance shaft 13 is arranged between the supporting blocks 22 positioned in the middle parts of the front and rear electrode plate brackets 11, and two ends of a rotating shaft of the lifting mechanism 19 are respectively fixed on the balance shaft 13 through connecting plates 23.

An insulator 21 is arranged between the electrode plate bracket 11 and the electrode plate 12.

And linear guide rail sliding blocks 15 are arranged at the contact positions of the lower sides of the two ends of the support 6 and the linear guide rails 5.

The utility model discloses a cut fork and push down the bow that charges, the bow that charges adopts and cuts fork elevating gear, and the bow that charges realizes charging for electric automobile through the plate electrode contact of cutting fork elevating gear's up-and-down motion drive plate electrode and on-vehicle pantograph. The structure is simple, and the operation is stable; sufficient pre-pressure is generated when the scissor-type lifting device runs, the electrode plate can be in tight contact with the electrode plate of the vehicle-mounted pantograph, the phenomenon of arc discharge caused by poor contact of the electrode plate is avoided, and therefore the performance and the service life of the charging pantograph and the storage battery of the electric automobile are guaranteed.

Drawings

Fig. 1 is the whole structure diagram of the scissor-type push-down charging bow of the utility model.

Fig. 2 is the utility model discloses cut fork and push down the whole structure chart of bow that charges.

Fig. 3 is the partial structure view of the scissor-type push-down charging bow mounting seat of the utility model.

Fig. 4 is a partial structure view of the scissor-type push-down charging bow lifting mechanism of the utility model.

Fig. 5 is a partial structure diagram of the plate electrode combination mechanism of the scissor-type downward-pressing charging bow of the utility model.

Fig. 6 is a structural view of the scissor-type downward-pressing charging bow and upward-lifting bow.

Fig. 7 is the structure view of the scissor-fork type downward-pressing charging bow descending state.

In the figure: 1. the device comprises a mounting bracket, 2, a servo motor, 3, a double-output-shaft speed reducer, 4, a ball screw, 5, a linear guide rail, 6, a bracket, 7, a push rod, 8, a shaft, 9, a bearing, 10, a drag chain bracket, 11, an electrode plate bracket, 12, an electrode plate, 13, a balance shaft, 14, a mounting seat, 15, a linear guide rail slider, 16, a connecting block, 17, a ball screw, 18, a transmission mechanism, 19, a lifting mechanism, 20, an electrode plate combination mechanism, 21, an insulator, 22, a supporting block, 23 and a connecting plate.

Detailed Description

The utility model discloses a scissor-fork type pushes down bow structure of charging is shown in fig. 1 and fig. 2, including mount pad 14, drive mechanism 18, elevating system 19 and electrode board combined mechanism 20, mount pad 14 structure mainly is the bow of charging and the fixed and drive structure of charging frame and the fixed action of the bow of charging. The transmission mechanism 18 mainly comprises a servo motor 2, a double-output-shaft speed reducer 3, a linear guide rail 5, a ball screw 4 and accessories thereof, and mainly has the function of power output, so that the ball screw nut moves along a certain direction. The lifting mechanism 19 mainly comprises a push rod 7, a connecting block 16, a shaft 8 and accessories thereof, and mainly has the function of lifting and lowering the electrode plate 12, the electrode combination mechanism 20 mainly comprises the electrode plate 12, a drag chain support 10, an electrode plate support 11, a drag chain, a balance shaft 13 and accessories thereof, the main function of the electrode combination mechanism is that a lead is fixed with the electrode plate through the drag chain, and the electrode plate is combined with a vehicle-mounted pantograph electrode plate through the movement of the lifting device, so that the process that the charger charges the electric locomotive is completed.

As shown in fig. 3, a mounting bracket 1 for connecting a charging rack is mounted on a frame of a mounting base 14, two linear guide rails 5 are mounted in parallel on an inner side of a frame-type mounting base 14 fixed on the charging rack, a transmission mechanism 18 is mounted between the two parallel linear guide rails 5 on the mounting base 14, a servo motor 2 of the transmission mechanism 18 is connected to a dual output shaft reducer 3, ball screws 4 (the ball screws are left-handed and right-handed) are mounted on output shafts on two sides of the dual output shaft reducer 3 respectively, a bracket 6 is slidably mounted between the two linear guide rails 5 on two sides of the transmission mechanism 18 respectively, the bracket 6 is of a structure with a downward-recessed middle portion, linear guide rail sliders 15 are mounted on lower sides of two shoulders of the bracket 6, and the bracket 6 slides on the linear guide. The lower part of the bracket 6 is fixedly provided with connecting blocks 16, the inner sides of the two connecting blocks 16 are respectively provided with a ball screw nut 17, and the ball screws 4 on the two sides of the double-output-shaft speed reducer 3 are transversely arranged in the connecting blocks 16 in a penetrating way through the ball screw nuts 17; the lower parts of the two brackets 6 are connected with a lifting mechanism 19, as shown in fig. 4, the lifting mechanism 19 is a two push rod connecting structure which is parallel front and back, the middle parts of two push rods 7 on the same layer of each push rod connecting structure are connected in a cross way through a rotating shaft, the end parts of the push rods 7 at the layer connecting part between the middle layers of the front and back push rod structures are movably connected through a shaft 8, and the upper ends of the four push rods 7 on the uppermost layer of the lifting mechanism 19 are respectively fixed on the front side and the rear; the lower end of the lifting mechanism 19 is connected with an electrode plate combination mechanism 20, as shown in fig. 5, the upper parts of the two electrode plate brackets 11 are respectively provided with a drag chain bracket 10 through supporting blocks 22, a balance shaft 13 is arranged between the supporting blocks 22 positioned in the middle parts of the front and rear motor plate brackets 11, both ends of a rotating shaft of the lifting mechanism 19 are respectively fixed on the balance shaft 13 through connecting plates 23, and insulators 21 are arranged between the electrode plate brackets 11 and the electrode plates 12.

The working principle is as follows: when the power of the servo motor 2 is output to the double-output-shaft speed reducer 3, two output shafts of the double-output-shaft speed reducer 3 drive the ball screw 4 to rotate, and the ball screw nut 17 drives the lifting device 7, the connecting block 16 and the support 6 to move along the direction of the linear guide rail 5, so that telescopic motion is realized among the push rods 7 on each layer of the lifting device, the scissor lifting device is caused to work, and the electrode plate 12 device is driven to move upwards or downwards. A rotating shaft connected to the middle of a push rod 7 in the scissor type lifting device is connected with a rotating part of an end connecting shaft 8 through a bearing 9, a lead is fixed on an electrode plate 12 after passing through a mounting bracket and a drag chain bracket 10 through a drag chain, the electrode plate 12 is connected with the electrode plate bracket 10 through an insulator 21, an electrode plate combined structure is connected with the scissor type lifting device through a balance shaft 13, and the scissor type lifting device is used for pressing down a charging bow to be in a bow lifting state and a bow to be in a bow lowering state, and reference is made to fig. 6 and 7.

While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims

1. Cut fork and push down the bow that charges, its characterized in that: comprises a mounting seat (14) and a transmission mechanism (18), the device comprises a lifting mechanism (19) and an electrode plate combined mechanism (20), wherein two linear guide rails (5) are arranged in parallel on the inner side of a frame type mounting seat (14) fixed on a charging frame, a transmission mechanism (18) is arranged between the two parallel linear guide rails (5) on the mounting seat (14), a servo motor (2) of the transmission mechanism (18) is connected with a double-output-shaft speed reducer (3), ball screws (4) are respectively arranged on output shafts on two sides of the double-output-shaft speed reducer (3), supports (6) are respectively installed between the two linear guide rails (5) on two sides of the transmission mechanism (18) in a sliding mode, ball screw nuts (17) are respectively installed on the inner sides of the two supports (6), and the ball screws (4) on two sides of the double-output-shaft speed reducer (3) are transversely installed in the supports; the lower parts of the two brackets (6) are connected with a lifting mechanism (19), the lifting mechanism (19) is a front and back parallel push rod connecting structure, the middle parts of two push rods (7) on the same layer of each push rod connecting structure are in cross connection through a rotating shaft, and the end parts of the push rods (7) at the connection parts of the middle layers and the layers of the front and back push rod structures are movably connected through a shaft (8); the lower end of the lifting mechanism (19) is connected with an electrode plate combination mechanism (20), and the lower parts of the front and the rear electrode plate supports (11) of the electrode plate combination mechanism (20) are provided with electrode plates (12).

2. A scissor push-down charging bow according to claim 1, wherein: the connecting blocks (16) are fixedly installed on the lower portion of the support (6), ball screw nuts (17) are installed on the inner sides of the two connecting blocks (16) respectively, and the ball screws (4) on the two sides of the double-output-shaft speed reducer (3) are transversely installed in the connecting blocks (16) in a penetrating mode through the ball screw nuts (17).

3. A scissor push-down charging bow according to claim 2, wherein: the upper ends of four push rods (7) on the uppermost layer of the lifting mechanism (19) are respectively fixed on the front side and the rear side of the connecting block (16).

4. A scissor push-down charging bow according to claim 1, wherein: and a mounting bracket (1) used for connecting a charging rack is mounted on the frame of the mounting seat (14).

5. A scissor push-down charging bow according to claim 1, wherein: the upper parts of the two electrode plate supports (11) are respectively provided with a drag chain support (10) through supporting blocks (22), a balance shaft (13) is arranged between the supporting blocks (22) positioned in the middle parts of the front and rear motor plate supports (11), and two ends of a rotating shaft of the lifting mechanism (19) are respectively fixed on the balance shaft (13) through connecting plates (23).

6. A scissor push-down charging bow according to claim 5, wherein: an insulator (21) is arranged between the electrode plate bracket (11) and the electrode plate (12).

7. A scissor push-down charging bow according to claim 1, wherein: and linear guide rail sliding blocks (15) are arranged at the contact positions of the lower sides of the two ends of the support (6) and the linear guide rails (5).