An electric vehicle swapping bracket assembly for engineering vehicles

Abstract

The present invention discloses a battery swapping bracket assembly for engineering vehicles, which includes a bracket, a quick-change connector and an anti-retreat mechanism, and further includes a locking mechanism. The locking mechanisms are respectively assembled at the top corners of the bracket. One end inside the bracket is provided with a flat-push guiding groove, and a flat-push cylinder is arranged in the middle of the flat-push guiding groove. The tail end of the flat-push cylinder is installed with a fixed seat through bolts, and the fixed seat is installed and connected with the flat-push guiding groove through bolts. A quick-change connector is arranged at one end of the flat-push guiding groove far away from the flat-push cylinder. X-axis guiding blocks and Y-axis guiding blocks are respectively installed at the central positions of the edges of the bracket. An electrical control box is installed at the corner of one end of the bottom of the bracket through bolts, and a solenoid valve control box is installed on one side of the bottom of the bracket far away from the electrical control box. It realizes providing a battery swapping bracket assembly with stable assembly and high use safety for engineering vehicles, and the battery box can be stably assembled with the engineering vehicle.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery swapping brackets, and particularly relates to a battery swapping bracket assembly for engineering vehicles. Background Art

[0002] Currently, the battery boxes of pure electric commercial vehicles or engineering vehicles on the market are generally assembled in battery swapping brackets. A set of connectors that are plugged and electrically connected to the female seats of the battery boxes are equipped on the brackets, and the plugging of the connectors to the female seats is completed by the pushing and pulling of a set of cylinders.

[0003] During the use of existing engineering vehicles, if an accident occurs after the connectors are plugged in place with the female seats of the battery boxes, the power air source provided to the cylinders is lost, and the connectors will become loose from the female seats of the battery boxes due to vibration during the vehicle's driving, resulting in great instability in the power use of pure electric commercial vehicles or engineering vehicles. Summary of the Invention

[0004] The purpose of the present invention is to provide a battery swapping bracket assembly for engineering vehicles to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A battery swapping bracket assembly for engineering vehicles includes a bracket, a quick-change connector, and a backstop mechanism, and further includes a locking mechanism. Locking mechanisms are respectively assembled at the top corners of the bracket. A flat-pushing guide groove is provided at one end inside the bracket. A flat-pushing cylinder is provided in the middle of the flat-pushing guide groove. A fixed seat is installed at the tail end of the flat-pushing cylinder through bolts, and the fixed seat is installed and connected to the flat-pushing guide groove through bolts. A quick-change connector is provided at one end of the flat-pushing guide groove away from the flat-pushing cylinder. An x-axis guide block and a Y-axis guide block are respectively installed at the central positions of the edges of the bracket. An electrical control box is installed at the corner of one end of the bottom of the bracket through bolts, and a solenoid valve control box is installed on the side of the bottom of the bracket away from the electrical control box.

[0006] Further, the main body of the backstop mechanism includes a limit seat, a limit shaft ejector rod, a deep groove ball shaft, a limit shaft, a limit tongue, a medium-load spring, and a stainless steel spring. The limit shaft ejector rod is inserted into the medium-load spring, the medium-load spring is inserted into one end of the limit seat, the limit shaft is inserted into the other end of the limit seat. One end of the limit shaft ejector rod is inserted into the limit shaft and rotatably connected to the deep groove ball shaft through a first pin. The limit tongue is inserted into the limit shaft, and the middle of the limit tongue is rotatably connected to the limit shaft through a second pin. A stainless steel spring is provided inside the limit shaft, and both ends of the stainless steel spring are welded and connected to the limit tongue and the inner wall of the limit shaft respectively.

[0007] Furthermore, limit fixing seats are respectively installed at both ends of the limit seat through bolts. The bottom of the quick-change connector is slidably connected to the bracket through a slide rail. The anti-retreat mechanisms are respectively located on both sides of the quick-change connector. The limit fixing seat is installed and connected to the bracket through bolts, and the flat-push cylinder is installed and connected to the bracket through bolts.

[0008] Furthermore, the output end of the flat-push cylinder is installed and connected to the housing of the quick-change connector. A limit protection sheet metal is installed at the top of the limit seat through bolts.

[0009] Furthermore, the locking mechanism includes a U-shaped socket, a locking cylinder, a locking pin block, and a Y-axis guide plate. The bottom of the U-shaped socket is installed and connected to the bracket through bolts. The locking cylinder is installed at one end of the U-shaped socket through bolts. The locking pin block is inserted through the U-shaped socket. The output end of the U-shaped socket is installed and connected to the end of the locking pin block. The Y-axis guide plate is integrally arranged at the top of the U-shaped socket.

[0010] Furthermore, the quick-change connector includes a connector mounting plate, a base socket, a base socket connecting plate, a base connector guide rod, a wire harness fixing sheet metal, and a wire harness fixing wire clip. Guide wheel fixing seats are respectively installed at both ends of the bottom of the base socket connecting plate through bolts. A flat-push guide wheel is installed at the inner bottom of the guide wheel fixing seat. The flat-push guide wheel is located on the flat-push guide groove. Limit blocks corresponding to the anti-retreat mechanisms are respectively installed at both ends of the base socket connecting plate through bolts. The output end of the flat-push cylinder is rotationally connected to the back of the base socket connecting plate through a floating joint.

[0011] Furthermore, the back of the base socket is inserted into both ends inside the connector mounting plate. The panel of the base socket is installed and connected to the connector mounting plate through bolts. The base socket connecting plate is located at the back of the connector mounting plate. Connector guide sleeves are respectively arranged at both ends of the panel of the connector mounting plate. The end of the base connector guide rod sequentially passes through the base socket connecting plate and the base socket and is installed and connected to the connector guide sleeve. A light load spring is sleeved on the base connector guide rod between the base socket and the base socket connecting plate.

[0012] Furthermore, wire harness fixing sheet metals are respectively installed at both ends of the back of the base socket connecting plate through bolts. A wire harness fixing wire clip is installed at the top of the wire harness fixing sheet metal through bolts. A silica gel pad is interposed between the wire harness fixing sheet metal and the wire harness fixing wire clip.

[0013] Furthermore, shock-proof pads are respectively installed at the edges of the top of the bracket through bolts.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. A component composed of a bracket, a quick-change connector, a backstop mechanism, and a locking mechanism realizes a battery-changing bracket assembly with stable assembly and high safety for engineering vehicles. The battery box can be stably assembled with the engineering vehicle. The battery busbar in the battery box is plugged and connected through the quick-change connector. The two ends of the quick-change connector after being plugged into the battery busbar are protected against backward movement through the backstop mechanism. The inner bottom corners of the battery plugged into the bracket are clamped, locked, and limited through the locking mechanism to ensure the stable assembly between the battery box and the bracket. During this period, the battery box plugged into the bracket is assisted in guiding through the x-axis guide block, Y-axis guide block, and Y-axis guide plate in sequence.

[0016] 2. The backstop mechanism provides a protection mechanism for preventing the backward movement of the quick-change connector for the battery-changing bracket of the engineering vehicle. After the assembled battery is placed on the bracket, the quick-change connector is pushed forward by the flat-push cylinder, so that the quick-change connector is plugged into the power connection busbar on the battery. When the quick-change connector and the power connection busbar on the battery are plugged in place and the flat-push cylinder has an accident and the power air source provided to the flat-push cylinder disappears, the limit tongue in the backstop mechanism can keep the quick-change connector limited and locked, so as to solve the problem that the quick-change connector and the battery busbar become loose due to vibration during vehicle driving, and play a protective role to prevent the entire component of the quick-change connector from moving backward. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of a battery-changing bracket assembly for an engineering vehicle according to the present invention.

[0018] Figure 2 It is an exploded schematic diagram of the quick-change connector of a battery-changing bracket assembly for an engineering vehicle according to the present invention.

[0019] Figure 3 It is an exploded schematic diagram of the backstop mechanism of a battery-changing bracket assembly for an engineering vehicle according to the present invention.

[0020] Figure 4 It is a schematic diagram of the top view cross-section of the backstop mechanism of a battery-changing bracket assembly for an engineering vehicle according to the present invention.

[0021] Figure 5 It is a schematic diagram of the front view cross-section of the backstop mechanism of a battery-changing bracket assembly for an engineering vehicle according to the present invention.

[0022] Figure 6 It is a schematic diagram of the structure of the locking mechanism of a battery-changing bracket assembly for an engineering vehicle according to the present invention.

[0023] In the figure: 1. Electrical control box; 2. Solenoid valve control box; 3. Quick-change connector; 3-1. Connector mounting plate; 3-2. Base socket; 3-3. Light and small load spring; 3-4. Base socket connecting plate; 3-5. Base connector guide rod; 3-7. Floating joint; 8. Fixed seat; 3-11. Guide wheel fixed seat; 16. Wiring harness fixing sheet metal; 3-19. Wiring harness fixing wire clip; 3-20. Silicone pad; 3-21. Connector guide sleeve; 3-22. Limit block; 3-23. Wiring harness fixing sheet metal; 4. Push cylinder; 5. Anti-retreat mechanism; 5-1. Limit seat; 5-2. Limit shaft; 5-3. Medium load spring; 5-4. Limit tongue; 5-5. Limit shaft ejector rod; 5-6. Deep groove ball shaft; 5-7. First pin; 5-8. Second pin; 5-9. Stainless steel spring; 5-10. Limit fixing seat; 5-11. Limit protection sheet metal; 6. Locking mechanism; 6-1. U-shaped socket; 6-2. Locking cylinder; 6-3. Locking pin block; 6-4. Y-axis guide plate; 7. X-axis guide block; 8. Y-axis guide block; 10. Shock pad; 11. Bracket; 12. Push guide groove; 13. Push guide wheel. Detailed implementation mode

[0024] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0025] Embodiment

[0026] As Figure 1-6 shown, a battery replacement bracket assembly for an engineering vehicle includes a bracket 11, a quick-change connector 3, and an anti-retreat mechanism 5, and further includes a locking mechanism 6. The locking mechanisms 6 are respectively assembled at the top corners of the bracket 11. One end inside the bracket 11 is provided with a push guide groove 12. In the middle of the push guide groove 12, there is a push cylinder 4. The tail end of the push cylinder 4 is installed with a fixed seat 3-8 through bolts. The fixed seat 3-8 is installed and connected to the push guide groove 12 through bolts. A quick-change connector 3 is provided at one end of the push guide groove 12 away from the push cylinder 4. An x-axis guide block 7 and a y-axis guide block 8 are respectively installed at the center positions of the edges of the bracket 11. An electrical control box 1 is installed at the corner of one end of the bottom of the bracket 11 through bolts. A solenoid valve control box 2 is installed on one side of the bottom of the bracket 11 away from the electrical control box 1.

[0027] Among them, the main body of the anti-reverse mechanism 5 includes a limit seat 5-1, a limit shaft ejector rod 5-5, a deep groove ball shaft 5-6, a limit shaft 5-2, a limit tongue 5-4, a medium load spring 5-3 and a stainless steel spring 5-9. The limit shaft ejector rod 5-5 is inserted into the medium load spring 5-3, and the medium load spring 5-3 is inserted into one end of the limit seat 5-1. The limit shaft 5-2 is inserted into the other end of the limit seat 5-1. One end of the limit shaft ejector rod 5-5 is inserted into the limit shaft 5-2 and rotatably connected to the deep groove ball shaft 5-6 through a first pin 5-7. The limit tongue 5-4 is inserted into the limit shaft 5-2, and the middle of the limit tongue 5-4 is rotatably connected to the limit shaft 5-2 through a second pin 5-8. A stainless steel spring 5-9 is arranged in the limit shaft 5-2, and both ends of the stainless steel spring 5-9 are welded to the limit tongue 5-4 and the inner wall of the limit shaft 5-2 respectively. Limit fixing seats 5-10 are respectively installed at both ends of the limit seat 5-1 through bolts. The bottom of the quick-change connector 3 is slidably connected to the bracket 11 through a slide rail. The anti-reverse mechanisms 5 are respectively located on both sides of the quick-change connector 3. The limit fixing seats 5-10 are installed and connected to the bracket 11 through bolts. The push cylinder 4 is installed and connected to the bracket 11 through bolts. The output end of the push cylinder 4 is installed and connected to the housing of the quick-change connector 3. A limit protection sheet metal 5-11 is installed at the top of the limit seat 5-1 through bolts.

[0028] Among them, the locking mechanism 6 includes a U-shaped socket 6-1, a locking cylinder 6-2, a locking pin block 6-3 and a Y-axis guide plate 6-4. The bottom of the U-shaped socket 6-1 is installed and connected to the bracket 11 through bolts. The locking cylinder 6-2 is installed at one end of the U-shaped socket 6-1 through bolts. The locking pin block 6-3 is inserted through the U-shaped socket 6-1. The output end of the U-shaped socket 6-1 is installed and connected to the end of the locking pin block 6-3. The Y-axis guide plate 6-4 is integrally arranged at the top of the U-shaped socket 6-1.

[0029] Among them, the quick-change connector 3 includes a connector mounting plate 3-1, a base socket 3-2, a base socket connection plate 3-4, a base connector guide rod 3-5, a wire harness fixing sheet metal 3-23, and a wire harness fixing wire clip 3-19. At both ends of the bottom of the base socket connection plate 3-4, guide wheel fixing seats 3-11 are respectively installed by bolts. At the inner bottom of the guide wheel fixing seat 3-11, a flat-push guide wheel 13 is installed. The flat-push guide wheel 13 is located on the flat-push guide groove 12. At both ends of the base socket connection plate 3-4, limit blocks 3-22 corresponding to the anti-retreat mechanism 5 are respectively installed by bolts. The output end of the flat-push cylinder 4 is rotationally connected to the back of the base socket connection plate 3-4 through a floating joint 3-7. The back of the base socket 3-2 is inserted into both ends inside the connector mounting plate 3-1. The panel of the base socket 3-2 is installed and connected to the connector mounting plate 3-1 by bolts. The base socket connection plate 3-4 is located at the back of the connector mounting plate 3-1. Connector guide sleeves 3-21 are respectively arranged at both ends of the panel of the connector mounting plate 3-1. The end of the base connector guide rod 3-5 sequentially passes through the base socket connection plate 3-4 and the base socket 3-2 and is installed and connected to the connector guide sleeve 3-21. A small-load spring 3-3 is sleeved on the base connector guide rod 3-5 between the base socket 3-2 and the base socket connection plate 3-4. Through the setting of the small-load spring 3-3, the impact force between the quick-change connector 3 and the battery female socket can be reduced.

[0030] Among them, at both ends of the back of the base socket connection plate 3-4, wire harness fixing sheet metals 3-16 are respectively installed by bolts. At the top of the wire harness fixing sheet metal 3-16, a wire harness fixing wire clip 3-19 is installed by bolts. A silica gel pad 3-20 is padded between the wire harness fixing sheet metal 3-16 and the wire harness fixing wire clip 3-19. The wire harness fixing wire clip 3-19 is used for clamping the wire harness of the connector, and the silica gel pad 3-20 can elastically protect the wire harness.

[0031] Among them, shock pads 10 are respectively installed by bolts at the top edges of the bracket 11. The shock pads 10 can achieve shock absorption and protection between the inserted and installed battery box and the top of the bracket 11.

[0032] Working principle and usage process of the present invention: After placing the battery box on the bracket 11 for battery replacement of the engineering vehicle, based on the guidance of the x-axis guide block 7, Y-axis guide block 8, and Y-axis guide plate 6-4 for the battery box, the battery box smoothly enters the bracket 11. Subsequently, the locking cylinder 6-2 is used to push the locking pin block 6-3, so that the locking pin block 6-3 inserts and locks the battery box. The quick-change connector 3 is pushed forward by the flat-push cylinder 4, so that the quick-change connector 3 is inserted into the power connection female seat on the battery, enabling the battery to form an electrical connection with the power system on the bracket 12. During the process of the quick-change connector 3 being pushed and transferred by the flat-push cylinder 4, the housing of the quick-change connector 3 will come into contact with the limit tongues 5-4 on the anti-retreat mechanisms 5 on both sides, and the quick-change connector 3 will first push the limit tongues 5-4, causing the limit tongues 5-4 to retract into the limit seat 5-1. After the quick-change connector 3 continues to move forward and passes over the limit tongues 5-4, based on the thrust of the stainless-steel spring 5-9 and the thrust of the medium-load spring 5-3 on the limit shaft 5-2, the limit tongues 5-4 can perform anti-retreat and anti-slip treatment on the back of the quick-change connector 3. Thus, when the quick-change connector 3 is inserted in place with the power connection female seat on the battery and an accident occurs to the flat-push cylinder 4, and the power air source provided to the flat-push cylinder 4 is gone, at this time, the limit tongues 5-4 in the anti-retreat mechanism 5 can keep the quick-change connector 3 in a limited position and locked, avoiding the loosening of the quick-change connector 3 from the battery's female seat due to vibration during vehicle driving. When the quick-change connector 3 needs to be pulled out and separated from the battery female seat, the quick-change connector 3 is pulled back by the flat-push cylinder 4, and based on the pulling force of the flat-push cylinder 4, at this time, the reaction force generated by the contact between the deep groove ball shaft 6 and the limit tongue 5-4. When the reaction force generated by the pulling force of the flat-push cylinder 4 is greater than the thrust of the medium-load spring 5-3 on the limit shaft 5-2, the limit tongue 5-4 will be pushed back into the limit seat 5-1 again, realizing the unlocking of the quick-change connector 3, which can greatly improve the stability of the electrical connection between the quick-change connector 3 and the battery on the battery replacement bracket of the engineering vehicle.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood 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. An electric vehicle replacement bracket assembly for engineering vehicles, comprising a bracket (11), a quick replacement connector (3) and an anti-retreat mechanism (5), characterized in that, It further includes a locking mechanism (6). The locking mechanisms (6) are respectively assembled at the top corners of the bracket (11). One end inside the bracket (11) is provided with a flat-push guiding groove (12). In the middle of the flat-push guiding groove (12), there is a flat-push cylinder (4). The tail end of the flat-push cylinder (4) is installed with a fixing seat (3-8) through bolts. The fixing seat (3-8) is installed and connected to the flat-push guiding groove (12) through bolts. At one end of the flat-push guiding groove (12) away from the flat-push cylinder (4), there is a quick-change connector (3). At the central positions of the edges of the bracket (11), an x-axis guiding block (7) and a Y-axis guiding block (8) are respectively installed. At the corner of one end of the bottom of the bracket (11), an electrical control box (1) is installed through bolts. On one side of the bottom of the bracket (11) away from the electrical control box (1), a solenoid valve control box (2) is installed; The main body of the anti-retreat mechanism (5) includes a limit seat (5-1), a limit shaft ejector rod (5-5), a deep groove ball shaft (5-6), a limit shaft (5-2), a limit tongue (5-4), a medium-load spring (5-3), and a stainless steel spring (5-9). The limit shaft ejector rod (5-5) is inserted into the medium-load spring (5-3). The medium-load spring (5-3) is inserted into one end inside the limit seat (5-1). The limit shaft (5-2) is inserted into the other end inside the limit seat (5-1). One end of the limit shaft ejector rod (5-5) is inserted into the limit shaft (5-2) and is rotatably connected to the deep groove ball shaft (5-6) through a first pin (5-7). The limit tongue (5-4) is inserted into the limit shaft (5-2), and the middle of the limit tongue (5-4) is rotatably connected to the limit shaft (5-2) through a second pin (5-8). A stainless steel spring (5-9) is arranged inside the limit shaft (5-2), and both ends of the stainless steel spring (5-9) are welded and connected to the limit tongue (5-4) and the inner wall of the limit shaft (5-2); At both ends of the limit seat (5-1), limit fixing seats (5-10) are respectively installed through bolts. The bottom of the quick-change connector (3) is slidably connected to the bracket (11) through a slide rail. The anti-retreat mechanisms (5) are respectively located on both sides of the quick-change connector (3). The limit fixing seats (5-10) are installed and connected to the bracket (11) through bolts. The flat-push cylinder (4) is installed and connected to the bracket (11) through bolts; The output end of the flat-push cylinder (4) is installed and connected to the housing of the quick-change connector (3). A limit protection sheet metal (5-11) is installed on the top of the limit seat (5-1) through bolts.

2. The engineering vehicle power exchange bracket assembly according to claim 1, wherein: The locking mechanism (6) includes a U-shaped socket (6-1), a locking cylinder (6-2), a locking pin block (6-3) and a Y-axis guide plate (6-4). The bottom of the U-shaped socket (6-1) is installed and connected to the bracket (11) by bolts. The locking cylinder (6-2) is installed on one end of the U-shaped socket (6-1) by bolts. The locking pin block (6-3) is inserted through the U-shaped socket (6-1). The output end of the U-shaped socket (6-1) is installed and connected to the end of the locking pin block (6-3). The Y-axis guide plate (6-4) is integrally arranged on the top of the U-shaped socket (6-1).

3. The engineering vehicle power replacement bracket assembly according to claim 1, wherein: The quick-change connector (3) includes a connector mounting plate (3-1), a base socket (3-2), a base socket connecting plate (3-4), a base connector guide rod (3-5), a wire harness fixing sheet metal (3-23) and a wire harness fixing wire clip (3-19). Guide wheel fixing seats (3-11) are respectively installed at both ends of the bottom of the base socket connecting plate (3-4) by bolts. A flat push guide wheel (13) is installed at the inner bottom of the guide wheel fixing seat (3-11). The flat push guide wheel (13) is located on the flat push guide groove (12). Limit blocks (3-22) corresponding to the anti-retreat mechanism (5) are respectively installed at both ends of the base socket connecting plate (3-4) by bolts. The output end of the flat push cylinder (4) is rotationally connected to the back of the base socket connecting plate (3-4) through a floating joint (3-7).

4. The engineering vehicle power exchange bracket assembly according to claim 3, characterized in that: The back of the base socket (3-2) is inserted into both ends inside the connector mounting plate (3-1). The panel of the base socket (3-2) is installed and connected to the connector mounting plate (3-1) by bolts. The base socket connecting plate (3-4) is located at the back of the connector mounting plate (3-1). Connector guide sleeves (3-21) are respectively arranged at both ends of the panel of the connector mounting plate (3-1). The end of the base connector guide rod (3-5) sequentially passes through the base socket connecting plate (3-4) and the base socket (3-2) and is installed and connected to the connector guide sleeve (3-21). A small-load spring (3-3) is sleeved on the base connector guide rod (3-5) between the base socket (3-2) and the base socket connecting plate (3-4).

5. The engineering vehicle power replacement bracket assembly according to claim 3, characterized in that: Wire harness fixing sheet metals (3-16) are respectively installed at both ends of the back of the base socket connecting plate (3-4) by bolts. A wire harness fixing wire clip (3-19) is installed on the top of the wire harness fixing sheet metal (3-16) by bolts. A silica gel pad (3-20) is padded between the wire harness fixing sheet metal (3-16) and the wire harness fixing wire clip (3-19).

6. The engineering vehicle power exchange bracket assembly according to claim 1, wherein: Shock pads (10) are respectively installed at the top edges of the bracket (11) by bolts.

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