Mechanical locking test mechanism
By designing a mechanical lock testing mechanism including a base, a roof, a guide column, a counterweight, a drive device and a proximity switch assembly, the problem of difficulty in quickly and accurately testing the mechanical lock structure in the prior art is solved, and a comprehensive evaluation of the reliability and stability of the lock structure is achieved.
Patent Information
- Application Number
- CN202420702985.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The prior art is difficult to quickly and accurately test the reliability and stability of mechanical locking structures, especially in automotive battery swap station equipment.
A mechanical lock testing mechanism is designed, including a base, a roof, a guide post, a counterweight, a drive device and a proximity switch assembly. The load condition of the battery tray is simulated by the counterweight block, and the up and down movement of the counterweight block is realized by using the drive device, and the motion state and position are monitored in real time to test the stability and reliability of the locking structure.
It realizes rapid and accurate testing of the reliability and stability of the mechanical locking structure, and can adjust the weight and quantity of counterweights according to different requirements, simulate different locking conditions, and comprehensively evaluate the performance of the locking structure.
Smart Images

Figure CN222866195U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of testing mechanisms, in particular to a mechanical locking testing mechanism. Background Art
[0002] In order to achieve the coexistence and efficient transportation of batteries of different models in automobile swap station equipment, it is necessary to design a battery tray with wide applicability. The tray needs to be fixed by a specific device, namely a locking mechanism, to ensure stability and safety during the battery swap process. In order to deeply evaluate the reliability of the locking mechanism in the actual working environment, its performance needs to be tested and analyzed in detail under the conditions of power-on, load operation and parameter measurement. Therefore, it is urgent to develop a set of fast and accurate testing mechanisms to verify the stability and reliability of the mechanical locking structure in actual use. Utility Model Content
[0003] The main technical problem solved by the utility model is to provide a mechanical locking test mechanism, by which a fast and real locking reliability test can be realized.
[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is:
[0005] A mechanical locking test mechanism comprises a base and a top plate, wherein a guide column is fixedly arranged between the base and the top plate, a plurality of counterweight blocks are slidably arranged along the guide column, and a locking structure is arranged between the top of the uppermost counterweight block and the bottom of the top plate;
[0006] The testing mechanism also includes a driving device for driving the counterweight block to move up and down along the guide column;
[0007] The testing mechanism also includes a proximity switch assembly for monitoring the up and down movement of the counterweight.
[0008] Furthermore, the driving device includes a vertical plate and a supporting plate, the vertical plate is vertically arranged on the base, the supporting plate is arranged below the counterweight block at the lowest end, a linear guide is arranged along the height direction of the vertical plate, the connecting plate is slidably connected to the linear guide, and the supporting plate is installed on the front side of the connecting plate;
[0009] The driving device also includes a driving mechanism for driving the connecting plate to move up and down, the connecting plate moving up and down drives the supporting plate to move synchronously, and the supporting plate drives the counterweight block to move synchronously;
[0010] The driving device also includes a slot-type photoelectric sensor for monitoring the up and down movement of the connecting plate.
[0011] Furthermore, the driving mechanism includes a motor, a driving wheel, a driven wheel, a synchronous belt, a sleeve and a screw rod. The motor is installed on the back of the vertical plate, and the output end of the motor is installed with a driving wheel. The upper and lower ends of the vertical plate are respectively provided with screw rod rotating seats, and the two ends of the screw rod are respectively rotatably connected to the two screw rod rotating seats. The sleeve is threadedly connected to the screw rod, and the top of the sleeve is fixedly connected to the connecting plate. A driven wheel is provided at one end of the screw rod, and the driven wheel is connected to the driving wheel through a synchronous belt. The motor is driven to realize that the sleeve drives the connecting plate to move up and down along the screw rod.
[0012] Furthermore, the linear guide rails are symmetrically arranged in two groups, the connecting plate is symmetrically arranged with sliders, and the two sliders are respectively slidably connected to the linear guide rails.
[0013] Furthermore, the slot-type photoelectric sensor includes a sensor fixing frame arranged on one side of the vertical plate, sensors are respectively installed at the upper and lower ends of the sensor fixing frame, and the connecting plate is correspondingly provided with a sensor induction sheet.
[0014] Furthermore, the proximity switch assembly includes a proximity switch bracket fixedly arranged on the upper end of the base, and proximity switches are respectively installed on the upper and lower parts of the proximity switch bracket, wherein a side plate of one of the counterweight blocks is correspondingly provided with a switch sensing sheet.
[0015] Furthermore, a support block is symmetrically arranged at the upper end of the base and below the connecting plate.
[0016] Furthermore, the locking structure includes a latch column and a locking inner ring.
[0017] Furthermore, the testing mechanism also includes an electrical control module, and the electrical control module is connected to the proximity switch assembly and the driving device respectively.
[0018] The beneficial technical effects of the utility model are:
[0019] The utility model provides a mechanical locking test mechanism, which simulates the load condition of a battery tray in actual use through a counterweight block, can increase and decrease the weight of the counterweight according to different requirements, and realizes the up and down movement of the counterweight block along the guide column through a driving device, wherein there is a certain gap between the counterweight block and the guide column, so as to test the stability and reliability of the locking structure under different gap conditions.
[0020] At the same time, the mechanism is also equipped with proximity switch components and slot-type photoelectric sensors to monitor the movement state and position of the counterweight in real time to ensure the accuracy and precision of the test. In addition, the drive mechanism uses components such as motors, active wheels, driven wheels, synchronous belts, sleeves and screws to achieve efficient and stable power transmission and precise up and down motion control. The design of the linear guide and slider on the vertical plate makes the movement of the counterweight smoother and reduces mechanical friction and wear.
[0021] The application of the slot-type photoelectric sensor and the electrical control module realizes automatic control and effectively realizes counting. In summary, the utility model has the advantages of simple structure, convenient operation, accurate testing, etc., and is of great significance for improving the reliability and stability of the battery tray locking structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 It is a schematic diagram of the overall structure of the utility model (from another perspective);
[0024] Figure 3 It is a structural schematic diagram of the driving device of the utility model;
[0025] Figure 4 It is a structural schematic diagram of the locking structure of the utility model;
[0026] The parts in the accompanying drawings are marked as follows:
[0027] 1. Base;
[0028] 2. Top plate;
[0029] 3. Guide pillar;
[0030] 4. Counterweight;
[0031] 5. Locking structure; 51. Latch column; 52. Locking inner ring;
[0032] 6. Driving device; 61. Vertical plate; 62. Support plate; 63. Linear guide rail; 64. Connecting plate; 641. Sliding block; 65. Driving mechanism; 651. Motor; 652. Driving wheel; 653. Driven wheel; 654. Synchronous belt; 655. Sliding sleeve; 656. Screw rod; 657. Screw rod rotating seat; 66. Slot-type photoelectric sensor; 661. Sensor fixing bracket; 662. Sensor; 663. Sensor sensing sheet;
[0033] 7. proximity switch assembly; 71. proximity switch bracket; 72. proximity switch; 73. switch sensor sheet;
[0034] 8. Support block. DETAILED DESCRIPTION
[0035] In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.
[0036] This specific embodiment discloses a mechanical locking test mechanism in detail, such as Figures 1 to 4 As shown, it comprises a base 1 and a top plate 2, a guide column 3 is fixedly arranged between the base and the top plate, a plurality of counterweight blocks 4 are slidably arranged along the guide column, and a locking structure 5 is arranged between the top of the topmost counterweight block and the bottom of the top plate;
[0037] The testing mechanism also includes a driving device 6 for driving the counterweight block to move up and down along the guide column;
[0038] The testing mechanism also includes a proximity switch assembly 7 for monitoring the up and down movement of the counterweight.
[0039] Preferably, the driving device comprises a vertical plate 61 and a supporting plate 62, the vertical plate is vertically arranged on the base, the supporting plate is arranged below the counterweight block at the lowest end, a linear guide rail 63 is arranged along the height direction of the vertical plate, a connecting plate 64 is slidably connected to the linear guide rail, and the supporting plate is installed on the front side of the connecting plate;
[0040] The driving device also includes a driving mechanism 65 for driving the connecting plate to move up and down. The connecting plate moves up and down to drive the supporting plate to move synchronously, and the supporting plate drives the counterweight to move synchronously.
[0041] The driving device also includes a slot-type photoelectric sensor 66 for monitoring the up and down movement of the connecting plate.
[0042] Preferably, the driving mechanism includes a motor 651, a driving wheel 652, a driven wheel 653, a synchronous belt 654, a sleeve 655 and a screw 656. The motor is installed on the back of the vertical plate, and the output end of the motor is installed with a driving wheel. The upper and lower ends of the vertical plate are respectively provided with screw rotating seats 657. The two ends of the screw are respectively rotatably connected to the two screw rotating seats. The sleeve is threadedly connected to the screw. The top of the sleeve is fixedly connected to the connecting plate. A driven wheel is provided at one end of the screw, and the driven wheel is connected to the driving wheel through a synchronous belt. The motor is driven to realize that the sleeve drives the connecting plate to move up and down along the screw.
[0043] Preferably, the linear guide rails are symmetrically arranged in two groups, the connecting plate is symmetrically arranged with sliders 641, and the two sliders are respectively slidably connected to the linear guide rails.
[0044] Preferably, the slot-type photoelectric sensor comprises a sensor fixing frame 661 arranged on one side of the vertical plate, sensors 662 are respectively installed at the upper and lower ends of the sensor fixing frame, and the connecting plate is correspondingly provided with a sensor induction sheet 663.
[0045] Preferably, the proximity switch assembly includes a proximity switch bracket 71 fixedly arranged on the upper end of the base, and proximity switches 72 are respectively installed on the upper and lower parts of the proximity switch bracket, and a switch sensing sheet 73 is correspondingly arranged on the side plate of one of the counterweight blocks.
[0046] Preferably, a support block 8 is symmetrically arranged at the upper end of the base and below the connecting plate.
[0047] Preferably, the locking structure includes a latch post and a locking inner ring.
[0048] Preferably, the testing mechanism further comprises an electrical control module (not shown in the drawings), and the electrical control module is connected to the proximity switch assembly and the driving device respectively.
[0049] The working principle of this utility model:
[0050] In actual operation, the staff can adjust the weight and number of the counterweights according to the test requirements of the battery tray locking structure to simulate the load conditions of the battery tray in actual use. Then, the motor is started, and the motor drives the screw to rotate through the driving wheel, synchronous belt and driven wheel, thereby realizing the up and down movement of the sliding sleeve and the connecting plate, and the connecting plate drives the counterweights to move up and down along the guide column through the supporting plate.
[0051] During the up and down movement of the counterweight, the proximity switch assembly and the slot photoelectric sensor monitor the movement state and position of the counterweight in real time to ensure the accuracy and precision of the test. When the counterweight reaches the preset position, the proximity switch assembly and the slot photoelectric sensor send a signal to the electrical control module, which controls the motor to stop or continue running according to the received signal, thereby achieving precise control of the counterweight. In addition, by adjusting the position and gap between the guide column and the counterweight, different locking conditions can be simulated to fully evaluate the performance of the battery tray locking structure.
[0052] In summary, the mechanical locking test mechanism of the utility model has the advantages of simple structure, convenient operation, accurate testing, etc. It can effectively simulate the load and locking state of the battery tray in actual use, which is of great significance for improving the reliability and stability of the battery tray locking structure. At the same time, the mechanism can also be adjusted and optimized according to different test requirements, and has strong flexibility and adaptability.
[0053] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "front", "back", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0054] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.
Claims
1. A mechanical locking test mechanism, characterized in that: It comprises a base (1) and a top plate (2), wherein a guide column (3) is fixedly arranged between the base and the top plate, a plurality of counterweight blocks (4) are slidably arranged along the guide column, and a locking structure (5) is arranged between the top of the uppermost counterweight block and the bottom of the top plate; It also includes a driving device (6) for driving the counterweight block to move up and down along the guide column; It also includes a proximity switch assembly (7) for monitoring the up and down movement of the counterweight.
2. A mechanical locking test mechanism according to claim 1, characterized in that: The driving device comprises a vertical plate (61) and a supporting plate (62), the vertical plate being vertically arranged on the base, the supporting plate being arranged below the counterweight block at the lowest end, a linear guide rail (63) being arranged along the height direction of the vertical plate, a connecting plate (64) being slidably connected to the linear guide rail, and the supporting plate being mounted on the front side of the connecting plate; The driving device further comprises a driving mechanism (65) for driving the connecting plate to move up and down, wherein the up and down movement of the connecting plate drives the supporting plate to move synchronously, and the supporting plate drives the counterweight to move synchronously; The driving device also includes a slot-type photoelectric sensor (66) for monitoring the up and down movement of the connecting plate.
3. A mechanical locking test mechanism according to claim 2, characterized in that: The driving mechanism comprises a motor (651), a driving wheel (652), a driven wheel (653), a synchronous belt (654), a sliding sleeve (655) and a screw (656); the motor is mounted on the back of the vertical plate, and the output end of the motor is mounted with a driving wheel; the upper and lower ends of the vertical plate are respectively provided with screw rotating seats (657); the two ends of the screw are respectively rotatably connected to the two screw rotating seats; the sliding sleeve is threadedly connected to the screw; the top of the sliding sleeve is fixedly connected to the connecting plate; one end of the screw is provided with a driven wheel; the driven wheel is connected to the driving wheel via a synchronous belt; the motor is driven to enable the sliding sleeve to drive the connecting plate to move up and down along the screw.
4. A mechanical locking test mechanism according to claim 2, characterized in that: The linear guide rails are symmetrically arranged in two groups, the connecting plate is symmetrically arranged with sliders (641), and the two sliders are respectively slidably connected to the linear guide rails.
5. A mechanical locking test mechanism according to claim 2, characterized in that: The slot-type photoelectric sensor comprises a sensor fixing frame (661) arranged on one side of the vertical plate, sensors (662) are respectively installed at the upper and lower ends of the sensor fixing frame, and the connecting plate is correspondingly provided with a sensor induction sheet (663).
6. A mechanical locking test mechanism according to claim 1, characterized in that: The proximity switch assembly comprises a proximity switch bracket (71) fixedly arranged at the upper end of the base, and proximity switches (72) are respectively installed above and below the proximity switch bracket, wherein a side plate of one of the counterweight blocks is correspondingly provided with a switch sensing sheet (73).
7. A mechanical locking test mechanism according to claim 2, characterized in that: A support block (8) is symmetrically arranged at the upper end of the base and below the connecting plate.
8. A mechanical locking test mechanism according to claim 1, characterized in that: The locking structure comprises a latch post and a locking inner ring.
9. A mechanical locking test mechanism according to any one of claims 1 to 8, characterized in that: It also includes an electrical control module, which is connected to the proximity switch assembly and the drive device respectively.