Environmental stability testing mechanism of motor protector

Abstract

The utility model relates to the technical field of stability testing of electrical components, in particular to an environmental stability testing mechanism of a motor protector, which is characterized in that workpieces are conveyed into a detection area one by one through a conveying device; the workpiece on the conveying device is stopped and positioned through the stopping device; the lifting device is matched with the clamping device to fix and lift a workpiece on the conveying device, and the lifting device is matched with the sealing device to provide a sealed testing environment for the workpiece, so that the automation degree and the practicability of the device are improved, and the labor cost in the testing process is reduced; comprising a conveying device, an intercepting device, a lifting device, a clamping device and a sealing device, the intercepting device is installed on the conveying device, the lifting device is installed on the conveying device, the clamping device is installed on the lifting device, and the sealing device is installed on the lifting device.

Description

Technical Field

[0001] The utility model relates to the technical field of stability testing of electrical components, in particular to an environmental stability testing mechanism for a motor protector. Background Technique

[0002] Environmental simulation test is a method to simulate various environmental climate conditions and verify the quality of finished products. The purpose is to verify whether the materials and products meet the expected quality goals in R & D, design and manufacturing through various environmental test equipment. When carrying out the temperature environment adaptability test on the motor protector, it is necessary to simulate the working environment of the motor protector, including the vibration simulation of the motor and the simulation of environmental temperature and humidity.

[0003] In actual stability testing, operators need to put the motor protectors into the simulation equipment one by one for actual testing, which increases the labor intensity of the operators. And for the temperature and humidity testing process, a closed space is required, and the operators need to open the sealed space door to take and place the test pieces, resulting in low overall testing efficiency. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides an environmental stability testing mechanism for a motor protector, which sends workpieces into the detection area one by one through a conveying device; stops and positions the workpieces on the conveying device through an intercepting device; fixes and lifts the workpieces on the conveying device through a lifting device cooperating with a clamping device, and cooperates with a sealing device to provide a sealed test environment for the workpieces, improving the automation degree and practicability of the device, and reducing the labor cost in the testing process.

[0005] The environmental stability testing mechanism for a motor protector of the utility model includes a conveying device, an intercepting device, a lifting device, a clamping device and a sealing device. The intercepting device is installed on the conveying device, the lifting device is installed on the conveying device, the clamping device is installed on the lifting device, and the sealing device is installed on the lifting device. The workpieces are sent into the detection area one by one through the conveying device; the workpieces on the conveying device are stopped and positioned through the intercepting device; the workpieces on the conveying device are fixed and lifted through the lifting device cooperating with the clamping device, and the sealing device is cooperated to provide a sealed test environment for the workpieces, improving the automation degree and practicability of the device, and reducing the labor cost in the testing process.

[0006] Preferably, the conveying device includes a frame, a first reducer, a first motor, conveying rollers and a conveyor belt. The first reducer is installed on the front end face of the frame, the first motor is installed on the first reducer, multiple groups of conveying rollers are horizontally installed in the frame, the output end of the first reducer passes through the front end face of the frame and is connected to the leftmost conveying roller, and the conveyor belt is sleeved on multiple groups of conveying rollers; when the first motor is started, the power is transmitted to the conveying rollers through the first reducer, and the motor protector is driven to move to the test area through the cooperation of multiple groups of conveying rollers and the conveyor belt.

[0007] Preferably, the intercepting device includes a first electric cylinder and an intercepting plate. The first electric cylinder is installed on the left end face of the frame through a bracket, the moving end of the first electric cylinder extends through the bracket to the right and is connected to the intercepting plate, and the lower end face of the intercepting plate is located above the conveyor belt and is close to the conveyor belt; by controlling the first electric cylinder to extend, the intercepting plate moves to the required position on the conveyor belt, so as to stop the motor protector at the required position. After the test is completed, control the first electric cylinder to contract so that the intercepting plate is located on the left side of the conveyor belt, so that the motor protector that has completed the test moves leftward and drops along with the conveyor belt.

[0008] Preferably, the lifting device includes a gantry, a wire reel, a second reducer, a second motor, a rectangular hole, a limit optical rod and a lifting frame. The gantry is installed on the left part of the upper end face of the frame, the wire reel is installed on the upper end face of the gantry through a bracket, the second reducer is installed on the side of the bracket, the second motor is installed on the second reducer, the output end of the second reducer is connected to the wire reel, a steel wire rope is wound on the wire reel, a group of rectangular holes are respectively opened in the middle of the front and rear end faces of the gantry, a group of limit optical rods are respectively vertically installed on the left and right in the rectangular holes, the front and rear parts of the lifting frame are respectively connected to the limit optical rods in the two groups of rectangular holes and can move up and down on the limit optical rods, and one end of the steel wire rope on the wire reel is connected to the upper end face of the lifting frame; when the second motor is started, the power is transmitted to the wire reel through the second reducer to drive the wire reel to rotate, so as to release or recycle the steel wire rope on the wire reel, drive the lifting frame to move vertically on the limit optical rods, so as to cooperate with the clamping device to send the workpiece into the working range of the sealing device.

[0009] Preferably, the clamping device includes a reduction motor, a transverse moving frame, a lead screw, a transverse limiting rod, a clamping plate and a vibration motor. A rectangular groove is formed in the lower part inside the lifting frame. The lead screw and two groups of transverse limiting rods are horizontally installed in the rectangular groove. The two groups of transverse limiting rods are respectively located on the left and right sides of the lead screw. The reduction motor is installed on the front end face of the lead screw. The two groups of transverse moving frames are connected to the lead screw through nuts. The positions of the two groups of transverse moving frames are symmetric with respect to the midpoint of the length of the lead screw. The two groups of transverse limiting rods respectively pass through the left and right parts of the transverse moving frames. The clamping plate is installed on the lower end face of the transverse moving frame, and the vibration motor is installed on the side face of the clamping plate. When the reduction motor is started, the power is transmitted to the lead screw to drive the lead screw to rotate, thereby driving the two groups of transverse moving frames to move towards or away from each other. By moving the two groups of transverse moving frames towards each other, the two groups of clamping plates clamp and fix the workpiece. The vibration motor provides vibration simulation for the motor protector, improving the practicability of the device.

[0010] Preferably, the sealing device includes a second electric cylinder, a sealing cover, a rubber pad and a steam generator. The upper parts of the left and right end faces of the gantry are respectively installed with second electric cylinders through support plates. The moving ends of the second electric cylinders respectively pass through the support plates and extend into the gantry to be connected with a group of sealing covers respectively. A rectangular groove is formed in the upper part of the open end of the sealing cover, and a rubber pad is installed on the open end of the sealing cover. The steam generator is installed on the upper end face of the gantry, and the output end of the steam generator is communicated with the inside of a group of sealing covers through a hose. The motor protector in the clamping device is lifted between the two groups of sealing covers through the lifting device. Then, the two groups of second electric cylinders are controlled to extend so that the two groups of sealing covers wrap the motor protector. The rubber pad reduces the collision and friction damage between the sealing covers and increases the sealing performance when the two groups of sealing covers are connected. The rectangular groove on the upper part of the sealing cover prevents damage to the steel wire rope during the docking process of the sealing covers. Then, the steam generator is started to introduce high-temperature and high-humidity air into the inside of the sealing cover for testing, improving the practicability of the device.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: the workpieces are sent into the detection area one by one through the conveying device; the workpieces on the conveying device are intercepted and positioned by the intercepting device; the workpieces on the conveying device are fixed and lifted through the lifting device in cooperation with the clamping device, and the sealing device is cooperated to provide a sealed test environment for the workpieces, improving the automation degree and practicability of the device and reducing the labor cost during the testing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the first sectional structure schematic diagram of the present utility model;

[0013] Figure 2 is the second sectional structure schematic diagram of the present utility model;

[0014] Figure 3 is the front view structure schematic diagram of the present utility model;

[0015] Figure 4 It is an axonometric structural schematic diagram of the clamping device;

[0016] Figure 5 It is an axonometric structural schematic diagram of the sealing cover;

[0017] Reference numerals in the drawings: 1, frame; 2, first speed reducer; 3, first motor; 4, conveyor roller; 5, conveyor belt; 6, first electric cylinder; 7, intercepting plate; 8, gantry; 9, wire reel; 10, second speed reducer; 11, second motor; 12, rectangular hole; 13, limiting optical rod; 14, lifting frame; 15, reduction motor; 16, transverse moving frame; 17, lead screw; 18, transverse limiting rod; 19, clamping plate; 20, vibration motor; 21, second electric cylinder; 22, sealing cover; 23, rubber pad; 24, steam generator. Detailed implementation manners

[0018] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive. Embodiment

[0019] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the lifting device is installed on the conveying device, and both the clamping device and the sealing device are installed on the lifting device;

[0020] First, start the first motor 3 to transmit power through the first reducer 2 to the conveyor roller 4. Drive the motor protector to move to the test area through the cooperation of multiple groups of conveyor rollers 4 and conveyor belts 5. Then, start the reduction motor 15 to transmit power to the lead screw 17 to drive the lead screw 17 to rotate, thereby driving the two transverse moving frames 16 to move towards each other, so that the two clamping plates 19 clamp the motor protector. After that, start the second motor 11 to transmit power through the second reducer 10 to the wire reel 9 to drive the wire reel 9 to rotate, thereby recycling the steel wire rope on the wire reel 9 and driving the lifting frame 14 to move vertically on the limit optical rod 13 to the height of the sealing device. Control the two second electric cylinders 21 to extend so that the two sealing covers 22 wrap the motor protector. The rubber pads 23 are used to reduce the collision and friction damage between the sealing covers 22 and increase the sealing performance when the two sealing covers 22 are connected. The rectangular grooves on the upper part of the sealing cover 22 prevent damage to the steel wire rope during the docking process of the sealing covers 22. After that, start the steam generator 24 to introduce high-temperature and high-humidity air into the sealing cover 22 for temperature and humidity environment simulation, and start the vibration motor 20 for vibration simulation during the working process. After the test is completed, place the workpiece back on the conveying device, and the tested motor protector can fall to the left following the conveyor belt 5;

[0021] The conveying device includes a frame 1, a first reducer 2, a first motor 3, conveyor rollers 4 and a conveyor belt 5. The first reducer 2 is installed on the front end face of the frame 1, the first motor 3 is installed on the first reducer 2, multiple groups of conveyor rollers 4 are horizontally installed in the frame 1, and the output end of the first reducer 2 passes through the front end face of the frame 1 and is connected to the leftmost conveyor roller 4. The conveyor belt 5 is sleeved on multiple groups of conveyor rollers 4;

[0022] The lifting device includes a gantry 8, a wire reel 9, a second reducer 10, a second motor 11, a rectangular hole 12, a limit optical rod 13 and a lifting frame 14. The gantry 8 is installed on the left part of the upper end face of the frame 1. The wire reel 9 is installed on the upper end face of the gantry 8 through a bracket. The second reducer 10 is installed on the side of the bracket. The second motor 11 is installed on the second reducer 10. The output end of the second reducer 10 is connected to the wire reel 9. A steel wire rope is wound on the wire reel 9. A set of rectangular holes 12 are respectively opened in the middle of the front and rear end faces of the gantry 8. A set of limit optical rods 13 are respectively vertically installed on the left and right in the rectangular holes 12. The front and rear parts of the lifting frame 14 are respectively connected to the limit optical rods 13 in the two rectangular holes 12 and can move up and down on the limit optical rods 13. One end of the steel wire rope on the wire reel 9 is connected to the upper end face of the lifting frame 14;

[0023] The clamping device includes a reduction motor 15, a transverse moving frame 16, a lead screw 17, a transverse limiting rod 18, a clamping plate 19 and a vibration motor 20. A rectangular groove is formed in the lower part inside the lifting frame 14. The lead screw 17 and two groups of transverse limiting rods 18 are horizontally installed in the rectangular groove. The two groups of transverse limiting rods 18 are respectively located on the left and right sides of the lead screw 17. The reduction motor 15 is installed on the front end face of the lead screw 17. The two groups of transverse moving frames 16 are connected to the lead screw 17 through nuts. The positions of the two groups of transverse moving frames 16 are symmetrical with respect to the midpoint of the length of the lead screw 17. The two groups of transverse limiting rods 18 respectively pass through the left and right parts of the transverse moving frame 16. The clamping plate 19 is installed on the lower end face of the transverse moving frame 16. The vibration motor 20 is installed on the side face of the clamping plate 19;

[0024] The sealing device includes a second electric cylinder 21, a sealing cover 22, a rubber pad 23 and a steam generator 24. The left and right end faces of the gantry 8 are respectively installed with the second electric cylinder 21 through support plates. The moving ends of the second electric cylinder 21 respectively pass through the support plates and extend into the gantry 8 to be connected to a group of sealing covers 22. A rectangular groove is provided in the upper part of the open end of the sealing cover 22. The rubber pad 23 is installed on the open end of the sealing cover 22. The steam generator 24 is installed on the upper end face of the gantry 8. The output end of the steam generator 24 is communicated with the inside of a group of sealing covers 22 through a hose;

[0025] The workpieces are sent into the detection area one by one through the conveying device; the lifting device cooperates with the clamping device to fix and lift the workpieces on the conveying device, and cooperates with the sealing device to provide a sealed test environment for the workpieces, improving the automation degree and practicality of the device and reducing the labor cost during the test. Embodiment

[0026] Improved on the basis of Embodiment 1, including an interception device, and the interception device is installed on the conveying device;

[0027] The workpieces on the conveying device are intercepted and positioned through the interception device;

[0028] By controlling the first electric cylinder 6 to extend, the interception plate 7 moves to the right to the required position on the conveyor belt 5, so as to intercept the motor protector to the required position. After the test is completed, control the first electric cylinder 6 to contract so that the interception plate 7 is located on the left side of the conveyor belt 5, so that the completed tested motor protector moves leftward and drops along with the conveyor belt 5;

[0029] The interception device includes a first electric cylinder 6 and an interception plate 7. The first electric cylinder 6 is installed on the left end face of the frame 1 through a bracket. The moving end of the first electric cylinder 6 passes through the bracket and extends to the right to be connected to the interception plate 7. The lower end face of the interception plate 7 is located above the conveyor belt 5 and is close to the conveyor belt 5.

[0030] Such as Figures 1 to 4As shown in the figure, in the working process of an environmental stability test mechanism for a motor protector of the present utility model, first, the first motor 3 is started, and the power is transmitted to the conveyor roller 4 through the first speed reducer 2. The motor protector is driven to move to the test area by the cooperation of multiple groups of conveyor rollers 4 and the conveyor belt 5. Then, the first electric cylinder 6 is controlled to extend, so that the intercepting plate 7 moves to the required position on the conveyor belt 5, thereby stopping the motor protector at the required position. Then, the reduction motor 15 is started, and the power is transmitted to the lead screw 17 to drive the lead screw 17 to rotate, thereby driving two transverse moving frames 16 to move towards each other, so that two clamping plates 19 clamp the motor protector. After that, the second motor 11 is started, and the power is transmitted to the wire reel 9 through the second speed reducer 10 to drive the wire reel 9 to rotate, thereby recycling the steel wire rope on the wire reel 9, driving the lifting frame 14 to move vertically on the limit optical rod 13 to the height of the sealing device. The two second electric cylinders 21 are controlled to extend, so that the two sealing covers 22 wrap the motor protector. The rubber pads 23 are used to reduce the collision and friction damage between the sealing covers 22 and increase the sealing performance when the two sealing covers 22 are connected. The rectangular grooves on the upper parts of the sealing covers 22 are used to prevent damage to the steel wire rope during the docking process of the sealing covers 22. Then, the steam generator 24 is started to introduce high-temperature and high-humidity air into the sealing covers 22 to simulate the temperature and humidity environment, and the vibration motor 20 is started to simulate the vibration during the working process. After the test is completed, the workpiece is placed back on the conveying device, and the first electric cylinder 6 is controlled to contract so that the intercepting plate 7 is located on the left side of the conveyor belt 5, so that the tested motor protector can move leftward and fall along with the conveyor belt 5.

[0031] The steam generator 24, the second electric cylinder 21, the first electric cylinder 6, the first speed reducer 2, the first motor 3, the reduction motor 15, the second speed reducer 10, the second motor 11 and the vibration motor 20 of the environmental stability test mechanism for a motor protector of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0032] The above are only the preferred embodiments of the present utility model. It should be noted that for those ordinary technical personnel in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A motor protector environmental stability testing mechanism; characterized in that: It comprises a conveying device, an intercepting device, a lifting device, a clamping device and a sealing device. The intercepting device is installed on the conveying device, the lifting device is installed on the conveying device, the clamping device is installed on the lifting device, and the sealing device is installed on the lifting device.

2. The environmental stability testing mechanism for a motor protector according to claim 1, characterized in that: The conveying device comprises a frame (1), a first reducer (2), a first motor (3), a conveying roller (4) and a conveying belt (5). The first reducer (2) is mounted on the front end surface of the frame (1), the first motor (3) is mounted on the first reducer (2), a plurality of groups of conveying rollers (4) are horizontally mounted in the frame (1), the output end of the first reducer (2) passes through the front end surface of the frame (1) and is connected to the leftmost conveying roller (4), and the conveying belt (5) is sleeved on the plurality of groups of conveying rollers (4).

3. The environmental stability testing mechanism of a motor protector as claimed in claim 2, characterized in that: The interception device comprises a first electric cylinder (6) and an interception plate (7); the first electric cylinder (6) is mounted on the left end surface of the frame (1) via a bracket; the movable end of the first electric cylinder (6) passes through the bracket and extends to the right to be connected to the interception plate (7); the lower end surface of the interception plate (7) is located on the upper side of the conveyor belt (5) and is close to the conveyor belt (5).

4. The environmental stability testing mechanism for a motor protector as claimed in claim 2, characterized in that: The lifting device comprises a door frame (8), a cable reel (9), a second speed reducer (10), a second motor (11), a rectangular hole (12), a position limiting light rod (13) and a lifting frame (14); the door frame (8) is installed on the left part of the upper end surface of the frame (1); the cable reel (9) is installed on the upper end surface of the door frame (8) via a bracket; the second speed reducer (10) is installed on the side surface of the bracket; the second motor (11) is installed on the second speed reducer (10); the output end of the second speed reducer (10) is connected to the A wire reel (9) is connected to the door frame (8), a wire rope is wound around the wire reel (9), a group of rectangular holes (12) are respectively opened in the middle of the front and rear end surfaces of the door frame (8), a group of limit light rods (13) are vertically installed in the left and right of the rectangular holes (12), the front and rear parts of the lifting frame (14) are respectively connected to the limit light rods (13) in the two groups of rectangular holes (12), and can move up and down on the limit light rods (13), and one end of the wire rope on the wire reel (9) is connected to the upper end surface of the lifting frame (14).

5. The environmental stability testing mechanism for a motor protector as claimed in claim 4, characterized in that: The clamping device comprises a reduction motor (15), a transverse frame (16), a lead screw (17), a transverse limiting rod (18), a clamping plate (19) and a vibration motor (20). A rectangular groove is formed in the lower part of the lifting frame (14). The lead screw (17) and two sets of transverse limiting rods (18) are horizontally installed in the rectangular groove. The two sets of transverse limiting rods (18) are respectively located on the left and right sides of the lead screw (17). The reduction motor (15) is installed on the front end surface of the lead screw (17). The two sets of transverse frames (16) are connected to the lead screw (17) through nuts. The positions of the two sets of transverse frames (16) are symmetrical with the midpoint of the length of the lead screw (17). The two sets of transverse limiting rods (18) pass through the left and right parts of the transverse frame (16) respectively. A clamping plate (19) is installed on the lower end surface of the transverse frame (16). The vibration motor (20) is installed on the side of the clamping plate (19).

6. The environmental stability testing mechanism for a motor protector as claimed in claim 3, characterized in that: The sealing device comprises a second electric cylinder (21), a sealing cover (22), a rubber pad (23) and a steam generator (24); the second electric cylinder (21) is respectively installed on the upper part of the left and right end surfaces of the door frame (8) through support plates; the movable ends of the second electric cylinder (21) extend through the support plates to the inside of the door frame (8) and are respectively connected to a group of sealing covers (22); a rectangular groove is provided on the upper part of the open end of the sealing cover (22); a rubber pad (23) is installed on the open end of the sealing cover (22); a steam generator (24) is installed on the upper end surface of the door frame (8); and the output end of the steam generator (24) is connected to the inside of a group of sealing covers (22) through a hose.

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