A battery frame double locking device for heavy truck side battery replacement

Abstract

The present invention relates to a battery frame double locking device for heavy truck side battery replacement, comprising: a support group, a left double locking mechanism, and a right double locking mechanism, wherein the support group comprises a left support and a right support; the left double locking mechanism is fixed on the left support; and the right double locking mechanism is fixed on the right support. The present invention is mainly used for placing, locking, and fixing the battery frame of a new energy heavy truck, which can prevent the battery frame from loosening or falling during driving of the heavy truck, thereby improving the stability and safety of the battery frame.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicles, and in particular to a battery frame double-locking device for side battery replacement of heavy trucks. Background Art

[0002] In recent years, new energy electric heavy trucks have become a trend. The placement, locking and fixation of the battery pack frame is an important part of new energy heavy trucks. The double locking mechanism of the battery frame of the heavy truck battery replacement plays a vital role in the fixation of the battery pack frame during the driving of the heavy truck. Therefore, the double locking mechanism on the left and right support groups of the battery frame of the heavy truck has brought great convenience to the fixation of the battery pack frame, and improved the stability of the battery pack frame when it is loaded, preventing the battery pack frame from loosening or even falling during the driving of the heavy truck, causing damage and loss, so that it can supply power normally and stably, which is an urgent goal to be solved. Therefore, it is very necessary to design a double locking device for the battery frame of the heavy truck side battery replacement. Summary of the invention

[0003] In order to overcome the above-mentioned deficiencies, the present invention aims to provide a double locking device for the battery frame of a heavy-duty truck for battery replacement. The present invention is mainly used for placing and locking the battery pack frame of a new energy heavy-duty truck, which can prevent the battery pack frame from loosening or falling during driving of the heavy-duty truck, thereby improving the stability and safety of the battery pack frame.

[0004] The present invention achieves the above-mentioned purpose through the following technical scheme: a double locking device for a battery frame of a heavy truck side battery replacement, comprising: a support group, a left double locking mechanism, and a right double locking mechanism, the support group comprising a left support and a right support; the left double locking mechanism is fixed on the left support; the right double locking mechanism is fixed on the right support.

[0005] Preferably, the left support and the right support are both of integral cast steel structure, and the left support and the right support are respectively provided with a positioning mechanism.

[0006] Preferably, the left double locking mechanism comprises a cylinder, a floating joint, a lock tongue transition plate A, a lock tongue, a connecting shaft, a fixed seat, a spring, a fixed ring, a cam bearing follower, a rotating shaft, a washer, and a movable lock tongue A; the floating joint is connected to the piston rod of the cylinder; the lock tongue transition plate A is connected to the floating joint; the lock tongue is connected to the lock tongue transition plate A; the connecting shaft is connected to the lock tongue transition plate A, wherein the connecting shaft is movable, and the rear end of the connecting shaft is limited by a nut; the fixed seat is sleeved on the connecting shaft, and the fixed seat and the left support are fixed to each other , one at each corresponding position in the front and back, used to support the connecting shaft; the spring is sleeved on the connecting shaft, and the fixing ring is connected to the connecting shaft to block the spring; the cam bearing follower is fixed on the connecting shaft; the rotating shaft is connected to the movable lock tongue A, with clearance fit, and can rotate and move; the washer is sleeved on the rotating shaft, and there is a washer on each side of the movable lock tongue A; the rotating shaft is fixed in the corresponding hole of the left support, and the cam bearing follower is stuck in the groove of the movable lock tongue A. The cylinder is actuated to make the lock tongue move forward and backward, and at the same time, the connecting shaft moves forward and backward, driving the movable lock tongue A to rotate and fix.

[0007] Preferably, the right double locking mechanism includes a cylinder, a floating joint, a lock tongue, a connecting shaft, a fixed seat, a spring, a fixed ring, a cam bearing follower, a rotating shaft, a washer, a lock tongue transition plate B, and a movable lock tongue B; the floating joint is connected to the piston rod of the cylinder; the lock tongue transition plate B is connected to the floating joint; the lock tongue is connected to the lock tongue transition plate B; the connecting shaft is connected to the lock tongue transition plate B, wherein the connecting shaft is movable, and the rear end of the connecting shaft is limited by a nut; the fixed seat is sleeved on the connecting shaft, and the fixed seat and the right support are fixed to each other , one at each corresponding position in the front and back, used to support the connecting shaft; the spring is sleeved on the connecting shaft, and the fixing ring is connected to the connecting shaft to block the spring; the cam bearing follower is fixed on the connecting shaft; the rotating shaft is connected to the movable lock tongue B, with clearance fit, and can rotate; the washer is sleeved on the rotating shaft, and there is a washer on each side of the movable lock tongue B; the rotating shaft is fixed in the corresponding hole of the right support, and the cam bearing follower is stuck in the groove of the movable lock tongue B. The cylinder is actuated to make the lock tongue move forward and backward, and at the same time, the connecting shaft moves forward and backward, driving the movable lock tongue B to rotate and fix.

[0008] The beneficial effect of the present invention is that the present invention can prevent the battery pack frame from loosening or falling during the driving of the heavy truck, thereby improving the stability and safety of the battery pack frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0010] Figure 2 It is a structural front view of the present invention;

[0011] Figure 3 It is a top view of the structure of the present invention;

[0012] Figure 4 It is a structural side view of the present invention;

[0013] Figure 5 It is a schematic diagram of the support group structure of the present invention;

[0014] Figure 6 It is a structural schematic diagram of the left double locking mechanism and the right double locking mechanism of the present invention. DETAILED DESCRIPTION

[0015] The present invention is further described below in conjunction with specific embodiments, but the protection scope of the present invention is not limited thereto:

[0016] Embodiment: In view of the prior art that the dead weight of the battery pack is about 2 tons, and the battery pack frame equipped with the battery pack is suspended on the corresponding support group, in order to prevent the battery pack frame from loosening or even falling during the driving of the heavy truck, the present invention provides a double locking device for the battery frame of the heavy truck side battery replacement, so as to better fix the battery pack frame and ensure the stability and safety of the battery pack frame during the driving of the heavy truck. To this end, the present invention adopts a high-strength double locking tongue to automatically lock it through a cylinder or a hydraulic cylinder, one on each left and right support, and its structure is simple, compact, strong, low-cost, and easy to maintain. The double locking mechanism device for the battery frame of the heavy truck battery replacement. Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a battery frame double lock device for side battery replacement of heavy trucks is composed of a support group, a left double lock mechanism 3, and a right double lock mechanism 4. The support group includes a left support 1 and a right support 2; the left double lock mechanism 3 is fixed on the left support 1; and the right double lock mechanism 4 is fixed on the right support 2.

[0017] like Figure 5 As shown, the left support 1 and the right support 2 are both integral cast steel structures, and the left support 1 and the right support 2 are respectively provided with a positioning mechanism. The integral cast steel has high strength, good integrity, strong load-bearing capacity, beautiful appearance, and can be better standardized and serialized.

[0018] like Figure 6As shown, the left double lock mechanism 3 includes a cylinder 101, a floating joint 102, a lock tongue transition plate A103, a lock tongue 104, a connecting shaft 105, a fixed seat 106, a spring 107, a fixing ring 108, a cam bearing follower 109, a rotating shaft 110, a washer 111, and a movable lock A112; the floating joint is connected to the piston rod of the cylinder; the lock tongue transition plate A is connected to the floating joint; the lock tongue is connected to the lock tongue transition plate A; the connecting shaft is connected to the lock tongue transition plate A, wherein the connecting shaft is movable, and the rear end of the connecting shaft is limited by a nut; the fixed seat sleeve is connected to the connecting shaft On the shaft, the fixed seat and the left support are fixed to each other, one at each corresponding front and rear position, which are used to support the connecting shaft; the spring is sleeved on the connecting shaft, and the fixed ring is connected to the connecting shaft to block the spring; the cam bearing follower is fixed on the connecting shaft; the rotating shaft is connected to the movable lock tongue A, with clearance fit, and can rotate and move; the washer is sleeved on the rotating shaft, and there is a washer on each side of the movable lock tongue A; the rotating shaft is fixed in the corresponding hole of the left support, and the cam bearing follower is stuck in the groove of the movable lock tongue A, and the cylinder is actuated to make the lock tongue move forward and backward. At the same time, the connecting shaft moves forward and backward, driving the movable lock tongue A to rotate and fix.

[0019] The right double lock mechanism 4 includes a cylinder 101, a floating joint 102, a lock tongue 104, a connecting shaft 105, a fixed seat 106, a spring 107, a fixed ring 108, a cam bearing follower 109, a rotating shaft 110, a washer 111, a lock tongue transition plate B113, and a movable lock tongue B114; the floating joint is connected to the piston rod of the cylinder; the lock tongue transition plate B is connected to the floating joint; the lock tongue is connected to the lock tongue transition plate B; the connecting shaft is connected to the lock tongue transition plate B, wherein the connecting shaft is movable, and the rear end of the connecting shaft is limited by a nut; the fixed seat sleeve is on the connecting shaft On the right support, the fixed seat and the right support are fixed to each other, one at each corresponding position in the front and back, used to support the connecting shaft; the spring is sleeved on the connecting shaft, and the fixed ring is connected to the connecting shaft to block the spring; the cam bearing follower is fixed on the connecting shaft; the rotating shaft is connected to the movable lock tongue B, with clearance fit, and can rotate and move; the washer is sleeved on the rotating shaft, and there is a washer on each side of the movable lock tongue B; the rotating shaft is fixed in the corresponding hole of the right support, and the cam bearing follower is stuck in the groove of the movable lock tongue B. The cylinder is actuated to make the lock tongue move forward and backward, and at the same time, the connecting shaft moves forward and backward, driving the movable lock tongue B to rotate and fix. The left and right double lock mechanism has a simple structure and is easy to install and maintain.

[0020] When the present invention is used, the frame with the battery pack installed is placed in the corresponding positions of the left support and the right support on the side of the heavy truck by a special fork frame. After the corresponding positions of the left support and the right support are positioned, the left double locking mechanism and the right double locking mechanism are respectively actuated by the cylinder to make the lock tongue move forward and backward. At the same time, the forward and backward movement of the connecting shafts on both sides also drives the movable lock tongue A and the movable lock tongue B to rotate and fix.

[0021] The above description is a specific embodiment of the present invention and the technical principles used. If the changes made according to the concept of the present invention do not exceed the spirit covered by the description and drawings, they should still fall within the scope of protection of the present invention.

Claims

1. A battery frame double locking device for heavy truck side battery replacement, characterized in that: include: A support group, a left double locking mechanism (3), and a right double locking mechanism (4), wherein the support group comprises a left support (1) and a right support (2); the left double locking mechanism (3) is fixed on the left support (1); the right double locking mechanism (4) is fixed on the right support (2); the left double locking mechanism (3) comprises a cylinder (101), a floating joint (102), a lock tongue transition plate A (103), a lock tongue (104), a connecting shaft (105), a fixing seat (106), a spring (107), and a fixing member (108). 07), a fixing ring (108), a cam bearing follower (109), a rotating shaft (110), a washer (111), and a movable locking tongue A (112); the floating joint (102) is connected to the piston rod of the cylinder (101); the locking tongue transition plate A (103) is connected to the floating joint (102); the locking tongue (104) is connected to the locking tongue transition plate A (103); the connecting shaft (105) is connected to the locking tongue transition plate A (103), wherein the connecting shaft (105) is movable The rear end of the connecting shaft is limited by a nut; the fixing seat (106) is sleeved on the connecting shaft (105), and the fixing seat (106) and the left support (1) are fixed to each other, one at each corresponding position in the front and rear, and is used to support the connecting shaft (105); the spring (107) is sleeved on the connecting shaft (105), and the fixing ring (108) is connected to the connecting shaft (105) to block the spring (107); the cam bearing follower (109) is fixed on the connecting shaft (105); the rotating shaft (110) is connected to The movable lock tongue A (112) is fitted with clearance and can rotate and move; the washer (111) is sleeved on the rotating shaft (110), and a washer is respectively provided on both sides of the movable lock tongue A (112); the rotating shaft (110) is fixed in a corresponding hole of the left support (1), and the cam bearing follower (109) is inserted into a groove of the movable lock tongue A (112); the cylinder (101) is actuated to make the lock tongue (104) move forward and backward, and at the same time, the connecting shaft (105) moves forward and backward, driving the movable lock tongue A (112) to rotate and fix.

2. The battery frame double locking device for heavy truck side battery replacement according to claim 1 is characterized in that: The left support (1) and the right support (2) both adopt an integral cast steel structure, and the left support (1) and the right support (2) are respectively provided with a positioning mechanism.

3. The battery frame double locking device for heavy truck side battery replacement according to claim 1 is characterized in that: The right double lock mechanism (4) comprises a cylinder (101), a floating joint (102), a lock tongue (104), a connecting shaft (105), a fixed seat (106), a spring (107), a fixed ring (108), a cam bearing follower (109), a rotating shaft (110), a washer (111), a lock tongue transition plate B (113), and a movable lock tongue B (114); the floating joint (102) is connected to the piston rod of the cylinder (101); the lock tongue transition plate B (113) is connected to the floating joint (102); the lock tongue (104) is connected to the lock tongue transition plate B (113); the connecting shaft (105) is connected to the lock tongue transition plate B (113), wherein the connecting shaft (105) is movable and a nut is used to limit the rear end of the connecting shaft; the fixed seat (106) is sleeved on the connecting shaft (105), and the fixed seat (106) and the right The supports (2) are fixed to each other, one at each corresponding front and rear position, and are used to support the connecting shaft (105); the spring (107) is sleeved on the connecting shaft (105), and the fixing ring (108) is connected to the connecting shaft (105) and is used to block the spring (107); the cam bearing follower (109) is fixed on the connecting shaft (105); the rotating shaft (110) is connected to the movable lock tongue B (114), and is clearance-matched and can rotate and move; the washer (111) is sleeved on the rotating shaft (110), and there is a washer on each side of the movable lock tongue B (114); the rotating shaft (110) is fixed in the corresponding hole of the right support (2), and the cam bearing follower (109) is clamped in the groove of the movable lock tongue B (114), and the cylinder (101) is actuated to make the lock tongue (104) move forward and backward, and at the same time, the connecting shaft (105) moves forward and backward, driving the movable lock tongue B (114) to rotate and fix.

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