Test bench for testing service life of environment-friendly cabinet switch

Abstract

The utility model discloses a test bench for testing the service life of an environment-friendly cabinet switch, which comprises a rack, a test bench is arranged on the rack, a test motor is arranged on the test bench, and the output end of the test motor is connected with a connecting sleeve used for being matched with an operation shaft of an environment-friendly cabinet. The rack is provided with a carrying frame used for carrying a test environment-friendly cabinet switch, the rack is also provided with a conveying rail, the carrying frame is provided with rollers, the rollers are in sliding fit with the conveying rail, the carrying frame is also provided with a positioning beam, the positioning beam is arranged along the width direction of the rack, and the positioning beam is provided with a positioning groove. The length of the positioning beam is larger than the width of the machine frame, and the machine frame is further provided with a fastening mechanism used for fastening the carrying frame and the machine frame. The structure is simple, butt joint operation is convenient and fast, the test efficiency is improved, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to a test bench for testing the life of switches in an environmental protection cabinet. Background Art

[0002] As a key safety component, the lifespan testing of environmental cabinet switches is directly related to the operational reliability of the equipment. Existing lifespan tests for environmental cabinets primarily focus on the opening and closing operations of the operating shaft. Currently, during testing, a test motor must be docked with the output shaft. By rotating the test motor forward and reverse, simulating the opening and closing actions, the cumulative number of lifespan measurements is accumulated. However, this docking operation is cumbersome, and the environmental cabinet switches are complex in structure and heavy overall, making them difficult to integrate with the test bench. This cumbersome operation reduces testing efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a test bench for life testing of environmental protection cabinet switches, which has a simple structure, convenient and quick docking operation, improves test efficiency, and has good use effect.

[0004] To achieve the above-mentioned purpose, the utility model provides a test bench for life testing of environmental protection cabinet switches, comprising a frame, a test bench provided on the frame, a test motor provided on the test bench, an output end of the test motor connected to a connecting sleeve for cooperating with the operating shaft of the environmental protection cabinet, a carrying rack provided on the frame for carrying the test environmental protection cabinet switch, a conveying rail provided on the frame, a roller provided on the carrying rack, the roller slidingly cooperates with the conveying rail, a positioning beam provided on the carrying rack, the positioning beam being arranged along the width direction of the frame, the length of the positioning beam being greater than the width of the frame, and a fastening mechanism for fastening the carrying rack to the frame.

[0005] The beneficial effect of this setting is that, through the sliding cooperation of the rollers and the conveyor rails, the operator can easily push the carrier rack equipped with the environmental protection cabinet switch into the test station. The entire pushing process only requires the cooperation of 1-2 people and takes less than 2 minutes, which saves more than 80% of the time compared to traditional hoisting installation. The positioning beam extends along the width of the frame and is set to be extra long. When the carrier rack is pushed into place, the two ends of the positioning beam precisely contact the limit blocks on the side of the frame to form a mechanical hard positioning, ensuring that the position consistency error of each push does not exceed 0.5mm, completely solving the problem of inaccurate manual positioning. The setting of the fastening mechanism further guarantees the stability of the test. The fastening mechanism can be set as a pneumatic clamping cylinder. By cooperating with the locking hole on the piston rod and the positioning beam, the rigid fixation of the carrier rack can be completed within 3 seconds, avoiding position deviation caused by vibration during the test. This structure is simple, the docking operation is convenient and fast, and the test efficiency is improved, with good use effect.

[0006] As a further configuration of the present invention, the fastening mechanism includes a fastening seat, an operating arm and a interference arm, the fastening seat is arranged on the frame, the operating arm is provided with a connecting arm, one end of the connecting arm is rotatably connected to the fastening seat, and the other end is rotatably connected to the operating arm, one end of the operating arm is rotatably connected to the interference wall, and the other end is provided with an operating handle, one end of the interference arm is provided with a connecting flange and is rotatably connected to the fastening seat through the connecting flange, and the other end of the interference wall is provided with a interference head for interfering with the positioning beam.

[0007] The beneficial effect of this arrangement is that the fastening seat serves as a fixed base, providing stable support for the connecting arm, operating arm and resistance arm. Its unique four-link transmission structure efficiently converts the force applied by the operator to the operating handle into the clamping force of the resistance head. During operation, you only need to press the handle downward, the connecting arm drives the operating arm to rotate, and the resistance arm is driven by the lever principle to rotate with the connecting flange as the fulcrum, so that the resistance head accurately resists the preset position of the positioning beam. The entire process does not require the assistance of tools, and the tightening operation can be completed by one person within 10 seconds, which saves the cost of arranging the air source pipeline compared to the pneumatic clamping cylinder. Preferably, the resistance head is made of high-wear-resistant rubber material, which not only avoids damage to the surface of the positioning beam, but also compensates for small gaps through elastic deformation. When the mounting frame is in place, the mechanism can provide stable axial restraint force, effectively prevent displacement caused by vibration during the test, and ensure the stability of the test data.

[0008] As a further configuration of the present invention, an adjustment slot is provided on the interference arm, the interference head is slidably arranged in the adjustment slot, and a fastening nut for fastening the interference head in the adjustment slot is also provided on the interference head.

[0009] The beneficial effect of this arrangement is that the adjustment slot on the interference arm provides flexible positioning for the interference head. By sliding the interference head along the adjustment slot, it can be precisely aligned with the actual force point of the positioning beam, resolving positioning deviation issues caused by long-term use. Once adjusted, the fastening nut quickly locks the position, ensuring that the interference head does not move during testing, further improving the adaptability and reliability of the fastening mechanism.

[0010] As a further configuration of the present invention, a connecting foot is provided on the test bench, and a matching groove is provided on the frame corresponding to the position of the connecting foot, and the connecting foot is slidably matched with the matching groove.

[0011] This setup offers the following benefits: the test bench's connecting legs and frame slots form a guided sliding structure. By pushing the test bench along the slots, the horizontal position can be fine-tuned. This fine-tuning capability effectively compensates for installation errors, ensuring precise alignment between the connecting sleeve at the test motor output and the operating shaft of the environmental protection cabinet. Once adjusted, locking elements secure the test bench in place, preventing displacement during testing. This simplifies the assembly process and ensures the reliability of test data.

[0012] As a further configuration of the present invention, a push handle is also provided on the carrying frame.

[0013] The beneficial effects of such a setting are: such a setting makes it easy to hold and push, improves the convenience of operation, and has a simple structure, which is conducive to implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0015] Figure 2 It is a partial enlarged view of the fastening mechanism in the embodiment of the present utility model. DETAILED DESCRIPTION

[0016] The utility model provides an embodiment of a test bench for testing the life of switches in an environmental protection cabinet, such as Figures 1 to 2As shown, the apparatus comprises a frame 1, on which is provided a test bench 3, on which is provided a test motor 31, the output end of which is connected to a connecting sleeve for cooperating with the operating shaft of the environmental protection cabinet, a carrying rack 2 for carrying the test environmental protection cabinet switch, a conveyor rail 11, a roller provided on the carrying rack 2, which slides with the conveyor rail 11, a positioning beam 21 arranged along the width of the frame 1, the positioning beam 21 being longer than the width of the frame 1, and a fastening mechanism 4 for fastening the carrying rack 2 to the frame 1. The beneficial effect of this arrangement is that, through the sliding cooperation between the roller and the conveyor rail 11, the operator can easily push the carrying rack 2 carrying the environmental protection cabinet switch into the test station. The entire pushing process only requires the cooperation of 1-2 people and takes less than 2 minutes, saving more than 80% of the time compared to traditional hoisting installation. Positioning beam 21 extends along the width of frame 1 and is designed to be extra long. When carrier 2 is pushed into position, its ends precisely contact the stoppers on the sides of frame 1, creating a mechanical hard-positioning mechanism. This ensures a consistent position error of no more than 0.5mm between each push, completely eliminating the problem of inaccurate manual positioning. The provision of fastening mechanism 4 further ensures test stability. Fastening mechanism 4 can be configured as a pneumatic clamping cylinder. The piston rod of fastening mechanism 4 engages the locking holes on positioning beam 21 to rigidly secure carrier 2 within 3 seconds, preventing position shifting caused by vibration during testing. This simple structure allows for quick and easy docking, improves test efficiency, and delivers excellent results.

[0017] As a further configuration of the present invention, the fastening mechanism 4 includes a fastening seat 41, an operating arm 42, and a resistance arm 44. The fastening seat 41 is arranged on the frame 1. The operating arm 42 is provided with a connecting arm 43. One end of the connecting arm 43 is rotatably connected to the fastening seat 41, and the other end is rotatably connected to the operating arm 42. One end of the operating arm 42 is rotatably connected to the resistance wall, and the other end is provided with an operating handle. One end of the resistance arm 44 is provided with a connecting flange 441 and is rotatably connected to the fastening seat 41 through the connecting flange 441. The other end of the resistance wall is provided with a resistance head 45 for resisting on the positioning beam 21. The beneficial effect of such a configuration is that the fastening seat 41 serves as a fixed base, providing stable support for the connecting arm 43, the operating arm 42, and the resistance arm 44. Its unique four-bar transmission structure efficiently converts the force applied by the operator to the operating handle into the pressing force of the resistance head 45. During operation, you only need to press the handle downwards, the connecting arm 43 drives the operating arm 42 to rotate, and the interference arm 44 is driven by the lever principle to rotate with the connecting flange 441 as the fulcrum, so that the interference head 45 accurately interferes with the preset position of the positioning beam 21. The entire process does not require the assistance of tools, and the tightening operation can be completed by one person within 10 seconds, which saves the cost of arranging the air source pipeline compared to the pneumatic clamping cylinder. Preferably, the interference head 45 is made of highly wear-resistant rubber material, which not only avoids damaging the surface of the positioning beam 21, but also compensates for small gaps through elastic deformation. When the mounting frame 2 is in place, the mechanism can provide a stable axial restraint force, effectively preventing displacement caused by vibration during the test, and ensuring the stability of the test data.

[0018] As a further arrangement of the present invention, an adjustment slot 442 is provided on the interference arm 44, and the interference head 45 is slidably arranged in the adjustment slot 442. A fastening nut for fastening the interference head 45 in the adjustment slot 442 is also provided on the interference head 45. The beneficial effect of such an arrangement is that, with such an arrangement, the adjustment slot 442 on the interference arm 44 is designed to provide a flexible position adjustment space for the interference head 45. By sliding the interference head 45 along the adjustment slot 442, the actual force point of the positioning beam 21 can be accurately adapted, solving the positioning deviation problem caused by long-term use. After the adjustment is completed, the fastening nut can quickly lock the position to ensure that the interference head 45 does not move during the test, further improving the adaptability and reliability of the fastening mechanism 4.

[0019] As a further configuration of the present invention, a connecting foot is provided on the test bench 3, and a matching groove 12 is provided on the frame 1 at a position corresponding to the connecting foot, and the connecting foot and the matching groove 12 are slidably matched. The beneficial effect of this configuration is that with this configuration, the connecting foot on the test bench 3 and the matching groove 12 of the frame 1 form a guide sliding structure, and by pushing the test bench 3 along the direction of the groove body, the horizontal position can be fine-tuned. This fine-tuning capability effectively compensates for installation errors and ensures that the connecting sleeve at the output end of the test motor 31 is accurately aligned with the operating shaft of the environmental protection cabinet. After adjustment, it is fixed by a locking member to avoid displacement during the test, which not only simplifies the assembly process but also ensures the reliability of the test data.

[0020] As a further configuration of the present invention, a push handle 22 is further provided on the carrying frame 2. The beneficial effect of this configuration is that it is convenient to hold and push, improves the convenience of operation, and has a simple structure and is conducive to implementation.

[0021] The above example is only one preferred specific example of the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A test bench for testing the life of environmental protection cabinet switches, comprising a frame, a test bench mounted on the frame, a test motor mounted on the test bench, and a coupling sleeve connected to an output end of the test motor for engaging with an operating shaft of the environmental protection cabinet, characterized in that: The frame is provided with a carrying rack for carrying the test environmental protection cabinet switch, the frame is also provided with a conveying rail, the carrying rack is provided with a roller, the roller and the conveying rail are slidably matched, the carrying rack is also provided with a positioning beam, the positioning beam is arranged along the width direction of the frame, the length of the positioning beam is greater than the width of the frame, and the frame is also provided with a fastening mechanism for fastening the carrying rack to the frame.

2. The test bench for life testing of environmental protection cabinet switches according to claim 1 is characterized in that: The fastening mechanism includes a fastening seat, an operating arm and a interference arm. The fastening seat is arranged on the frame. The operating arm is provided with a connecting arm. One end of the connecting arm is rotatably connected to the fastening seat, and the other end is rotatably connected to the operating arm. One end of the operating arm is rotatably connected to the interference wall, and the other end is provided with an operating handle. One end of the interference arm is provided with a connecting flange and is rotatably connected to the fastening seat through the connecting flange. The other end of the interference wall is provided with an interference head for interfering with the positioning beam.

3. The test bench for life testing of environmental protection cabinet switches according to claim 2 is characterized in that: The interference arm is provided with an adjustment slot, the interference head is slidably arranged in the adjustment slot, and the interference head is further provided with a fastening nut for fastening the interference head in the adjustment slot.

4. The test bench for life testing of environmental protection cabinet switches according to claim 1 is characterized in that: The test bench is provided with connecting pins, and the frame is provided with matching grooves at positions corresponding to the connecting pins, and the connecting pins are slidably matched with the matching grooves.

5. The test bench for life testing of environmental protection cabinet switches according to claim 1 is characterized in that: The carrying frame is also provided with a push handle.

Images