New energy automobile battery lock test bench

Abstract

The invention belongs to the technical field of new energy automobile equipment, and relates to a new energy automobile battery lock test board which comprises a movable frame assembly, and a lifting mechanism is installed in the frame space of the frame assembly. The four corners of the top face of a supporting table of the lifting mechanism are each provided with a set of unlocking assembly, each unlocking assembly comprises an unlocking air cylinder plate, the unlocking air cylinder plates are installed on the supporting table, high-low-temperature-resistant unlocking air cylinders are installed on the bottom faces of overhanging parts of the unlocking air cylinder plates, and piston rods of the high-low-temperature-resistant unlocking air cylinders penetrate through the unlocking air cylinder plates to extend upwards. And the piston rod end of the high and low temperature resistant unlocking cylinder is connected with a pressure sensor mounting plate through a floating joint. The test board can detect locking and unlocking actions between the battery pack and the hanger, can monitor data of force values and strokes in the whole life cycle and process in different environments, and can generate a curve graph for later analysis and processing.

Description

Technical Field

[0001] The invention belongs to the technical field of new energy automobile equipment and relates to a new energy automobile battery lock test bench. Background Art

[0002] In the past, the battery lock durability test bench used cylinders on both sides of the battery pack to drive the battery pack, with a guide shaft and linear bearing to lift the battery into the lock, and four unlocking cylinders on the four sides to unlock the battery.

[0003] There are the following problems: 1. The structural gap between the linear bearing and the guide shaft is too large, the battery pack is locked in a different state each time, and the consistency of the locked state is poor.

[0004] 2. The relative height between different locks cannot be adjusted when the battery pack is locked.

[0005] 3. The locking force, unlocking force and unlocking stroke are not tested.

[0006] 4. The battery lock has no monitoring during its entire life cycle, there is no curve chart, and problems cannot be analyzed later. Summary of the invention

[0007] In view of the above problems, the present invention provides a new energy vehicle battery lock test bench, which can detect the locking and unlocking actions between the battery pack and the rack, monitor the force value and stroke data throughout the life cycle and process under different environments, and generate a curve graph for later analysis and processing.

[0008] According to the technical solution of the present invention: a new energy vehicle battery lock test bench includes a movable frame assembly, characterized in that: a lifting mechanism is installed in the frame space of the frame assembly; A set of unlocking components are respectively installed at the four corners of the top surface of the support platform of the lifting mechanism, and the unlocking component includes an unlocking cylinder plate, the unlocking cylinder plate is installed on the support platform, and a high and low temperature resistant unlocking cylinder is installed on the bottom surface of the cantilevered part of the unlocking cylinder plate, and the piston rod of the high and low temperature resistant unlocking cylinder passes through the unlocking cylinder plate and extends upward, and is connected to the pressure sensor mounting plate through a floating joint at the piston rod end of the high and low temperature resistant unlocking cylinder, and a high and low temperature resistant unlocking force sensor is installed on the pressure sensor mounting plate, and an unlocking rod is arranged on the upper end of the high and low temperature resistant unlocking force sensor, and the unlocking rod passes through a shouldered oil-free bushing installed on the pressure sensor mounting plate, and a high and low temperature resistant displacement sensor is installed on the side of the unlocking cylinder plate, and the displacement probe of the high and low temperature resistant displacement sensor is connected to the pressure sensor mounting plate, and the pressure sensor mounting plate and the unlocking cylinder plate are guided by a guide assembly; A set of quick height adjustment mechanisms are respectively installed at the four corners of the top surface of the support platform of the lifting mechanism to support the battery pack.

[0009] As a further improvement of the present invention, the lifting mechanism comprises a base plate and a support platform which are arranged parallel to each other, and a scissor arm assembly is arranged between the base plate and the support platform to drive the support platform to perform lifting movement; The scissor arm assembly includes a first scissor arm and a second scissor arm, the first scissor arm and the second scissor arm are hingedly connected to each other, the lower end of the first scissor arm is hingedly connected to the base plate, the upper end of the second scissor arm is hingedly connected to the bottom surface of the support platform, and linear slide rails are respectively arranged on the upper surface of the base plate and the bottom surface of the support platform. The upper end of the first scissor arm is slidably matched with the linear slide rail on the bottom surface of the support platform, and the lower end of the second scissor arm is slidably matched with the linear slide rail on the upper surface of the base plate.

[0010] As a further improvement of the present invention, a high and low temperature resistant electric cylinder is installed on the base plate, a push rod is set at the lower end of the second scissor arm, and the piston rod of the high and low temperature resistant electric cylinder is connected to the driving push rod to drive the change of the angle between the first scissor arm and the second scissor arm, so that the distance between the support platform and the base plate changes.

[0011] As a further improvement of the present invention, the lower end of the first scissor arm and the bearing seat of the base plate and the upper end of the second scissor arm and the bearing seat of the bottom surface of the support platform are rotatably connected via a shaft, and each bearing seat is respectively installed with a bearing.

[0012] As a further improvement of the present invention, the frame assembly includes a profile frame, a locking caster is installed at the bottom of the profile frame, and an adjustable mounting bracket group is installed at the top of the profile frame.

[0013] As a further improvement of the present invention, there are two first scissor arms and two second scissor arms respectively, and the two first scissor arms and the two second scissor arms are fixedly connected by a synchronous reinforcement rod respectively.

[0014] As a further improvement of the present invention, the guide assembly includes an oil-free bushing and a guide shaft, the guide shaft is fixed to the bottom surface of the pressure sensor mounting plate, and the oil-free bushing is on the unlocking cylinder plate.

[0015] As a further improvement of the present invention, it also includes an industrial computer, and the industrial computer is used to control the working condition of the battery lock test bench.

[0016] As a further improvement of the present invention, the height quick adjustment mechanism comprises a mounting base plate, and the upper surface of the mounting base plate is supported by a plurality of hexagonal pillars to set an upper panel; A vertical support plate is arranged above the upper panel, and the vertical support plate can be lifted and moved relative to the upper panel, the battery pack support plate is fixed on the top surface of the vertical support plate, and a vertical slider is fixed on the bottom surface of the vertical support plate, and the vertical slider passes through the upper panel and then extends downward; An adjusting screw mounting bracket is fixedly arranged on the side of the mounting base plate, and the adjusting screw mounting bracket is threadedly connected to an adjusting bolt. The adjusting bolt penetrates the adjusting screw mounting bracket and is fixedly connected to a horizontal slider, and the horizontal slider pushes the vertical slider to perform lifting motion.

[0017] As a further improvement of the present invention, two parallel guide blocks are fixed on the upper surface of the mounting base plate, a guide groove is formed between the guide block and the mounting base plate, and the guide connection portion of the horizontal slider is cooperatively arranged in the guide groove; The working end of the horizontal slider is rotatably provided with a roller bearing follower through a guide shaft with a set screw groove, and the roller bearing follower is matched with the bottom inclined surface of the vertical slider; The guide shaft is fixed on the bottom surface of the vertical support plate, the oil-free bushing is fixed on the bottom surface of the upper panel, the guide shaft cooperates with the oil-free bushing guide, a high-temperature resistant locking force sensor is installed in the middle of the top surface of the vertical slider, and a battery pack support plate is installed on the top of the high-temperature resistant locking force sensor.

[0018] The technical effect of the present invention is that: the structure of the present invention is reasonable and ingenious, and when working, it can detect the automatic battery replacement process at normal temperature / low temperature / high temperature: 1. When the battery assembly is locked, how much force is required for different locks on the bracket to be locked.

[0019] 2. When unlocking the battery assembly, how much force is required to unlock the different locks on the bracket.

[0020] 3. When the battery assembly is unlocked, what is the unlocking stroke of the different locks on the rack?

[0021] 4. Record the service life of the battery pack, bracket and locks in different environments during the automatic battery replacement process.

[0022] 5. Record the changes in locking force, unlocking force and unlocking stroke of each lock during the entire cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Figure 2 A schematic diagram of the structure of the framework assembly.

[0025] Figure 3 It is a structural diagram of the lifting mechanism.

[0026] Figure 4 for Figure 3 Left view of .

[0027] Figure 5 A perspective view of the unlocking component.

[0028] Figure 6 It is a three-dimensional diagram of the height quick adjustment mechanism.

[0029] Figure 7 for Figure 6 main view.

[0030] Figure 8 for Figure 7 Top view of the .

[0031] Fig. 9 for Figure 7 Left view of . DETAILED DESCRIPTION

[0032] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. The described embodiment is only a part of the embodiment of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the present invention.

[0034] Figure 1-9 The invention comprises a profile frame 1, a locking caster 2, an adjustable mounting bracket group 3, a base plate 4, a high and low temperature resistant electric cylinder 5, a bearing 6, a push rod 7, a synchronous reinforcing rod 8, a scissor arm 9, a first scissor arm 9-1 and a second scissor arm 9-2, a linear guide rail 10, a support table 11, a height quick adjustment mechanism 12, an upper panel 12-1, a vertical support plate 12-2, a vertical slider 12-3, a mounting base plate 12-4, a guide block 12-5, a horizontal slider 12-6, and an adjusting screw installation. Mounting bracket 12-7, battery pack support plate 12-8, oil-free bushing 12-9, guide shaft 12-10, guide shaft with set screw groove 12-11, roller bearing follower 12-12, hexagon socket support 12-13, adjusting bolt 12-14, high and low temperature resistant locking force sensor 13, high and low temperature resistant unlocking cylinder 14, guide shaft 15, oil-free bushing 16, high and low temperature resistant displacement sensor 17, high and low temperature resistant unlocking force sensor 18, unlocking rod 19, etc.

[0035] like Figure 1-9 As shown, the present invention is a new energy vehicle battery lock test bench, comprising a movable frame assembly, and a lifting mechanism is installed in the frame space of the frame assembly.

[0036] A group of unlocking components are respectively installed at the four corners of the top surface of the support platform 11 of the lifting mechanism, and the unlocking components include an unlocking cylinder plate, which is installed on the support platform 11, and a high and low temperature resistant unlocking cylinder 14 is installed on the bottom surface of the cantilevered part of the unlocking cylinder plate, and the piston rod of the high and low temperature resistant unlocking cylinder 14 extends upward through the unlocking cylinder plate, and is connected to the pressure sensor mounting plate through a floating joint at the piston rod end of the high and low temperature resistant unlocking cylinder 14, and a high and low temperature resistant unlocking force sensor 18 is installed on the pressure sensor mounting plate, and an unlocking rod 19 is arranged at the upper end of the high and low temperature resistant unlocking force sensor 18, and the unlocking rod 19 passes through a shouldered oil-free bushing installed on the pressure sensor mounting plate, and a high and low temperature resistant displacement sensor 17 is installed on the side of the unlocking cylinder plate, and the displacement probe of the high and low temperature resistant displacement sensor 17 is connected to the pressure sensor mounting plate, and the pressure sensor mounting plate and the unlocking cylinder plate are guided by a guide assembly.

[0037] A set of quick height adjustment mechanisms 12 are respectively installed at the four corners of the top surface of the support platform of the lifting mechanism to support the battery pack.

[0038] It also includes an industrial computer, which is used to control the working conditions of the battery lock test bench.

[0039] like Figure 6-9 As shown, the quick height adjustment mechanism 12 includes a mounting base plate 12-4, and the upper surface of the mounting base plate 12-4 is supported by a plurality of hexagonal columns 12-13 to support the upper panel 12-1.

[0040] A vertical support plate 12-2 is arranged above the upper panel 12-1, and the vertical support plate 12-2 can be raised and lowered relative to the upper panel 12-1. The battery pack support plate 12-8 is fixed to the top surface of the vertical support plate 12-2, and the vertical slider 12-3 is fixed to the bottom surface of the vertical support plate 12-2. The vertical slider 12-3 penetrates the upper panel 12-1 and then extends downward.

[0041] An adjusting screw mounting bracket 12-7 is fixedly arranged on the side of the mounting base plate 12-4, and the adjusting screw mounting bracket 12-7 is threadedly connected to an adjusting bolt 12-14. The adjusting bolt 12-14 penetrates the adjusting screw mounting bracket 12-7 and is fixedly connected to a horizontal slider 12-6. The horizontal slider 12-6 pushes the vertical slider 12-3 to perform lifting and lowering movements.

[0042] Two parallel guide blocks 12-5 are fixed on the upper surface of the mounting base plate 12-4, and a guide groove is formed between the guide block 12-5 and the mounting base plate 12-4, and the guide connection part of the horizontal sliding block 12-6 is cooperatedly arranged in the guide groove.

[0043] The working end of the horizontal slider 12-6 is rotatably provided with a roller bearing follower 12-12 through a guide shaft 12-11 with a set screw groove, and the roller bearing follower 12-12 cooperates with the bottom inclined surface of the vertical slider 12-3.

[0044] The guide shaft 12-10 is fixed to the bottom surface of the vertical support plate 12-2, the oil-free bushing 12-9 is fixed to the bottom surface of the upper panel 12-1, the guide shaft 12-10 is guided and matched with the oil-free bushing 12-9, a high-temperature resistant locking force sensor 13 is installed in the middle of the top surface of the vertical slider 12-3, and the battery pack support plate 12-8 is installed on the top of the high-temperature resistant locking force sensor 13.

[0045] The lifting mechanism includes a base plate 4 and a support platform 11 which are arranged parallel to each other. A scissor arm assembly 9 is arranged between the base plate 4 and the support platform 11 to drive the support platform 11 to perform lifting motion.

[0046] The scissor arm assembly 9 includes a first scissor arm 9-1 and a second scissor arm 9-2. The first scissor arm 9-1 and the second scissor arm 9-2 are hingedly connected to each other. The lower end of the first scissor arm 9-1 is hingedly connected to the base plate 4, and the upper end of the second scissor arm 9-2 is hingedly connected to the bottom surface of the support platform 11. Linear slide rails 10 are respectively arranged on the upper surface of the base plate 4 and the bottom surface of the support platform 11. The upper end of the first scissor arm 9-1 slides with the linear slide rail on the bottom surface of the support platform 11, and the lower end of the second scissor arm 9-2 slides with the linear slide rail on the upper surface of the base plate 4.

[0047] A high and low temperature resistant electric cylinder 5 is installed on the base plate 4, and a push rod 7 is set at the lower end of the second scissor arm 9-2. The piston rod of the high and low temperature resistant electric cylinder 5 is connected to the driving push rod 7 to drive the change of the angle between the first scissor arm 9-1 and the second scissor arm 9-2, so that the distance between the support platform 11 and the base plate 4 changes.

[0048] The lower end of the first scissor arm 9 - 1 and the bearing seat of the base plate 4 and the upper end of the second scissor arm 9 - 2 and the bearing seat on the bottom surface of the support platform 11 are rotatably connected via a shaft, and each bearing seat is respectively installed with a bearing 6.

[0049] The frame assembly comprises a profile frame 1 , a locking caster 2 is installed at the bottom of the profile frame 1 , and an adjustable mounting bracket group 3 is installed at the top of the profile frame 1 .

[0050] There are two first scissor arms 9 - 1 and two second scissor arms 9 - 2 , respectively. The two first scissor arms 9 - 1 and the two second scissor arms 9 - 2 are fixedly connected by a synchronous reinforcement rod 8 .

[0051] The guide assembly includes an oil-free bushing 16 and a guide shaft 15. The guide shaft 15 is fixed to the bottom surface of the pressure sensor mounting plate, and the oil-free bushing 16 is used to unlock the cylinder plate.

[0052] like Figure 1-5 As shown, the product of the present invention can monitor the data of the locking force, unlocking force and unlocking stroke of each lock during the entire life cycle, and generate a curve graph to facilitate subsequent analysis and improvement.

[0053] The action process of the present application is as follows: the support platform 11 rises to lock the battery pack and hang it on the bracket. During the locking process, the high and low temperature resistant locking force sensor 13 detects the locking force of the four corners of the battery pack in real time, and the maximum required locking force is confirmed by the change in force value, and recorded in the table to generate a curve graph.

[0054] The high and low temperature resistant unlocking cylinder 14 rises, pushing the unlocking rod 19 to unlock, and the unlocking force and unlocking stroke are detected by the high and low temperature resistant unlocking force sensor 18 and the high and low temperature resistant displacement sensor 17, and recorded in a table to generate a curve graph.

[0055] After unlocking, the support platform 11 descends, allowing the battery pack to detach from the rack and return to its original position, and the high and low temperature resistant unlocking cylinder 14 is reset.

[0056] Repeat the cycle.

[0057] The control system of the industrial computer is developed using LABVIEW to monitor the entire process, collect and record data, and upload it to the server.

[0058] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to examples, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A new energy vehicle battery lock test bench, comprising a movable frame assembly, characterized in that: A lifting mechanism is installed in the frame space of the frame assembly; A set of unlocking components are respectively installed at the four corners of the top surface of the support platform (11) of the lifting mechanism, and the unlocking components include an unlocking cylinder plate, the unlocking cylinder plate is installed on the support platform (11), and a high and low temperature resistant unlocking cylinder (14) is installed on the bottom surface of the cantilevered part of the unlocking cylinder plate, the piston rod of the high and low temperature resistant unlocking cylinder (14) passes through the unlocking cylinder plate and extends upward, and the piston rod end of the high and low temperature resistant unlocking cylinder (14) is connected to the pressure sensor mounting plate through a floating joint, the high and low temperature resistant unlocking force sensor (18) is installed on the pressure sensor mounting plate, and an unlocking rod (19) is arranged at the upper end of the high and low temperature resistant unlocking force sensor (18), and the unlocking rod (19) passes through a shouldered oil-free bushing installed on the pressure sensor mounting plate, and a high and low temperature resistant displacement sensor (17) is installed on the side of the unlocking cylinder plate, and the displacement probe of the high and low temperature resistant displacement sensor (17) is connected to the pressure sensor mounting plate, and the pressure sensor mounting plate and the unlocking cylinder plate are guided by a guide component; A set of quick height adjustment mechanisms (12) are respectively installed at the four corners of the top surface of the support platform of the lifting mechanism to support the battery pack.

2. The new energy vehicle battery lock test bench according to claim 1, characterized in that: The lifting mechanism comprises a base plate (4) and a support platform (11) which are arranged parallel to each other, and a scissor arm assembly (9) is arranged between the base plate (4) and the support platform (11) to drive the support platform (11) to perform lifting movement; The scissor arm assembly (9) comprises a first scissor arm (9-1) and a second scissor arm (9-2); the first scissor arm (9-1) and the second scissor arm (9-2) are hingedly connected to each other; the lower end of the first scissor arm (9-1) is hingedly connected to a base plate (4); the upper end of the second scissor arm (9-2) is hingedly connected to the bottom surface of a support platform (11); linear slide rails (10) are respectively arranged on the upper surface of the base plate (4) and the bottom surface of the support platform (11); the upper end of the first scissor arm (9-1) is slidably matched with the linear slide rail on the bottom surface of the support platform (11); and the lower end of the second scissor arm (9-2) is slidably matched with the linear slide rail on the upper surface of the base plate (4).

3. The new energy vehicle battery lock test bench as claimed in claim 2, characterized in that: A high and low temperature resistant electric cylinder (5) is installed on the base plate (4), a push rod (7) is arranged at the lower end of the second scissor arm (9-2), and the piston rod of the high and low temperature resistant electric cylinder (5) is connected to the driving push rod (7) to drive the change of the angle between the first scissor arm (9-1) and the second scissor arm (9-2), so that the distance between the support platform (11) and the base plate (4) changes.

4. The new energy vehicle battery lock test bench as claimed in claim 2, characterized in that: The lower end of the first scissor arm (9-1) and the bearing seat of the base plate (4) and the upper end of the second scissor arm (9-2) and the bearing seat of the bottom surface of the support platform (11) are rotatably connected via a shaft, and each bearing seat is respectively installed with a bearing (6).

5. The new energy vehicle battery lock test bench according to claim 1, characterized in that: The frame assembly comprises a profile frame (1), a locking caster (2) is installed at the bottom of the profile frame (1), and an adjustable mounting bracket group (3) is installed at the top of the profile frame (1).

6. The new energy vehicle battery lock test bench as claimed in claim 2, characterized in that: There are two first scissor arms (9-1) and two second scissor arms (9-2), respectively, and the two first scissor arms (9-1) and the two second scissor arms (9-2) are fixedly connected via a synchronous reinforcement rod (8).

7. The new energy vehicle battery lock test bench according to claim 1, characterized in that: The guide assembly comprises an oil-free bushing (16) and a guide shaft (15), wherein the guide shaft (15) is fixed to the bottom surface of the pressure sensor mounting plate, and the oil-free bushing (16) is on the unlocking cylinder plate.

8. The new energy vehicle battery lock test bench according to claim 1, characterized in that: It also includes an industrial computer, which is used to control the working conditions of the battery lock test bench.

9. The new energy vehicle battery lock test bench according to claim 1, characterized in that: The quick height adjustment mechanism (12) comprises a mounting base plate (12-4), and an upper panel (12-1) is supported on an upper surface of the mounting base plate (12-4) via a plurality of hexagonal pillars (12-13); A vertical support plate (12-2) is arranged above the upper panel (12-1), and the vertical support plate (12-2) can be lifted and lowered relative to the upper panel (12-1); a battery pack support plate (12-8) is fixed to the top surface of the vertical support plate (12-2), and a vertical slider (12-3) is fixed to the bottom surface of the vertical support plate (12-2); the vertical slider (12-3) penetrates the upper panel (12-1) and then extends downward; An adjusting screw mounting bracket (12-7) is fixedly arranged on the side of the mounting base plate (12-4); the adjusting screw mounting bracket (12-7) is threadedly connected to an adjusting bolt (12-14); the adjusting bolt (12-14) passes through the adjusting screw mounting bracket (12-7) and is fixedly connected to a horizontal slider (12-6); the horizontal slider (12-6) pushes the vertical slider (12-3) to perform lifting motion.

10. The new energy vehicle battery lock test bench according to claim 9, characterized in that: Two parallel guide blocks (12-5) are fixed on the upper surface of the installation base plate (12-4), a guide groove is formed between the guide block (12-5) and the installation base plate (12-4), and a guide connection portion of the horizontal sliding block (12-6) is cooperatively arranged in the guide groove; The working end of the horizontal slider (12-6) is rotatably provided with a roller bearing follower (12-12) via a guide shaft (12-11) with a set screw groove, and the roller bearing follower (12-12) is matched with the bottom inclined surface of the vertical slider (12-3); The bottom surface of the vertical support plate (12-2) is fixed with a guide shaft (12-10), the bottom surface of the upper panel (12-1) is fixed with an oil-free bushing (12-9), the guide shaft (12-10) and the oil-free bushing (12-9) are guided and matched, a high-temperature resistant locking force sensor (13) is installed in the middle of the top surface of the vertical slider (12-3), and a battery pack support plate (12-8) is installed on the top of the high-temperature resistant locking force sensor (13).

Images