Environment-friendly low-voltage switch cabinet and debugging and detecting equipment thereof

Abstract

The invention relates to the technical field of switch cabinet production, in particular to an environment-friendly low-voltage switch cabinet and debugging and detecting equipment thereof.The low-voltage switch cabinet comprises a cabinet body and a plurality of drawers installed on the cabinet body, a sealing cover capable of ascending and descending is installed below the drawers, and when electric arcs are found in the drawers, the electric arcs can be detected through the sealing cover. A descending sealing cover above the drawer is used for isolating the faulted drawer, and protective gas is filled, so that the purposes of arc extinguishing and loss stopping are achieved; the debugging and detecting equipment comprises a rack composed of a top plate, a bottom plate and four stand columns fixedly connected between the top plate and the bottom plate, a bracket is arranged among the four stand columns in a sleeving mode, a driving shaft is installed on the bracket, and an impact mechanism and a longitudinal vibration mechanism are controlled to conduct linkage action through forward rotation of the driving shaft. The transverse vibration mechanism is controlled to act through reverse rotation of a driving shaft, and lateral multi-site alternate impact testing and transverse and longitudinal vibration testing on a target piece can be controlled and completed through one power source.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch cabinet production, in particular to an environmentally friendly low-voltage switch cabinet and a debugging and detection device thereof. BACKGROUND

[0002] A low-voltage switch cabinet refers to a complete set of equipment in which related low-voltage electrical components are organically combined and assembled in one or more metal or insulating housings according to a certain main wiring scheme, mainly used in power plants, petroleum, chemical industry, etc. to realize power transmission, distribution and power conversion. It often needs to be debugged and detected during production to ensure normal operation after being put into application.

[0003] The prior art discloses a drawer unit structure type low-voltage switch cabinet (CN222214969U) comprising a cabinet body, a plurality of drawers arranged on the inner side of the cabinet body, and a lifting frame mounted on the inner side of the cabinet body. A fan is embedded in the inner side of the lifting frame. By making the fan move up and down with the lifting frame, the fan can blow air to cool the components at different positions, ensuring the stability of temperature and component operation.

[0004] However, the above-mentioned prior art still has certain defects, that is, when an electric arc occurs inside the drawer during the operation of the low-voltage switch cabinet, it cannot be quickly isolated and arc extinguishing treatment.

[0005] The prior art discloses a low-voltage switch cabinet performance detection device (CN117890049B) comprising a yaw base for providing horizontal arbitrary direction yaw and a vibration platform mounted on the yaw base for providing multi-degree-of-freedom vibration and for supporting the low-voltage switch cabinet. The top end of the vibration platform is equipped with a plurality of side clamping mechanisms, a reversing displacement mechanism is installed between the plurality of side clamping mechanisms, and an impact execution mechanism is installed on the reversing displacement mechanism. The vibration platform can fully and comprehensively realize vibration and impact detection of the low-voltage switch cabinet.

[0006] However, the above-mentioned prior art still has certain defects, that is, in the process of use, independent control elements are needed to separately control the vibration platform and the impact execution mechanism to perform corresponding actions, and the control mode is complex, which is not convenient for later operation and maintenance. SUMMARY

[0007] The present application relates to the technical field of switch cabinet production, in particular to an environmentally friendly low-voltage switch cabinet and a debugging and detection device thereof.

[0008] The purpose of the present application can be achieved by the following technical solutions: The environmentally friendly low-voltage switch cabinet comprises: a cabinet body, a plurality of drawer units are installed on the cabinet body; The drawer unit includes a drawer installed in the cabinet body through a slide rail, air holes one are formed on both sides of the drawer, an embedding groove is formed on the bottom of the drawer, an electric push rod is installed in the embedding groove, an output end of the electric push rod is fixedly connected with a cover, an air cavity is formed on the cover, air holes two are formed on the bottom of the cover and are communicated with the air cavity, and an air source pipe is further communicated with the position corresponding to the air cavity on the cover.

[0009] The debugging and detecting equipment of the environment-friendly low-voltage switch cabinet is used for debugging and detecting the environment-friendly low-voltage switch cabinet, and the debugging and detecting equipment comprises: The rack is composed of a top plate, a bottom plate and stand columns fixedly connected to the opposite sides of the four corners of the top plate and the bottom plate, a bracket is movably sleeved between the four stand columns, a clamping mechanism for clamping the cabinet body is movably installed on the top of the bracket, a straight spring three is fixedly connected between the bottom plate and the bracket, and a driving shaft is movably installed on the bracket. A transverse vibration mechanism is arranged between the bracket and the clamping mechanism, a longitudinal vibration mechanism is arranged between the bottom plate and the bracket, a striking mechanism is further slidably installed between the four stand columns, the striking mechanism and the longitudinal vibration mechanism are controlled to move in linkage through forward rotation of the driving shaft, and the transverse vibration mechanism is controlled to move through reverse rotation of the driving shaft.

[0010] As a preferred scheme of the debugging and detecting equipment, the driving shaft comprises a main shaft rotatably installed on the top plate through a bearing and a secondary shaft rotatably installed on the bracket in a penetrating mode through a bearing, a cross slot is formed in the top end of the secondary shaft, a cross column movably inserted into the cross slot is fixedly arranged at the bottom end of the main shaft, and the top end of the outer side of the secondary shaft is threaded.

[0011] As a preferred scheme of the debugging and detecting equipment, the striking mechanism comprises a rack fixed to the top of the bracket and a lifting platform movably sleeved between the four stand columns, the rack and the top end of the secondary shaft are movably penetrated through the lifting platform, and the lifting platform is threadedly connected with the threaded section of the secondary shaft.

[0012] As a preferred scheme of the debugging and detecting equipment, a I-shaped ring block is rotatably installed at the center position of the lifting platform, three push heads are fixedly arranged on the top of the I-shaped ring block in a ring shape and are uniformly distributed, four side frames are fixedly arranged on the top of the lifting platform in a ring shape and are uniformly distributed, a striking head is arranged on the side of each of the four side frames facing the I-shaped ring block, a driving piece for driving the I-shaped ring block to rotate is arranged on the bottom of the lifting platform, and the push heads intermittently drive the four striking heads to strike the cabinet body to be tested through the rotation of the I-shaped ring block.

[0013] As a preferred embodiment of the debugging and testing equipment of the present invention, the driving component includes a gear ring 1 rotatably connected to the outer side of the bottom end of the I-shaped ring block via a one-way bearing and a vertical plate 1 fixed to the bottom of the lifting platform. A horizontal shaft is rotatably mounted on the bottom end of the vertical plate 1 via a bearing. Gear 1 and gear 2 are respectively fixedly sleeved at both ends of the horizontal shaft. Gear 1 meshes with a rack, and gear 2 meshes with gear ring 1.

[0014] As a preferred embodiment of the debugging and testing equipment of the present invention, the longitudinal vibration mechanism includes a ring plate fixed to the top of the base plate and four U-shaped rods fixedly connected to the outside of the base plate in a ring-shaped and uniformly distributed manner. A gear ring two is rotatably installed on the outside of the ring plate through a one-way bearing. A bushing is rotatably installed on the end of each of the four U-shaped rods away from the base plate through a bearing. A gear four and a triangular top block are fixedly sleeved on the outside of each bushing, and the gear four meshes with the gear ring two. The longitudinal vibration mechanism also includes a second vertical plate fixed to the top of the base plate and a ring column rotatably mounted on the base plate via bearings. A second bevel gear sleeved on the outside of the secondary shaft is fixedly connected to the top of the ring column. A rotating rod is rotatably mounted through the top of the second vertical plate via bearings. A third gear meshing with the second gear ring is fixedly sleeved at one end of the rotating rod, and a first bevel gear meshing with the second bevel gear is rotatably mounted at the other end of the rotating rod via a one-way bearing. The bottom end of the secondary shaft is movably inserted into the ring column, and a guide groove is opened on the outside of the bottom end of the secondary shaft. A locking block is fixedly slidably connected to the corresponding guide groove on the inside of the second bevel gear.

[0015] As a preferred embodiment of the debugging and testing equipment of the present invention, the clamping mechanism includes a seat block, a clamping component is installed on the top of the seat block, a groove is opened on the top of the support, the seat block is located inside the groove, and a transverse vibration mechanism is used to drive the seat block to move laterally inside the groove.

[0016] As a preferred embodiment of the debugging and testing equipment of the present invention, the transverse vibration mechanism includes a limiting groove opened on the outside of the seat block and a limiting frame fixed on the inside of the sink groove. The limiting frame is movably embedded in the limiting groove, and a straight spring is fixedly connected between the inner side of the limiting frame and the corresponding side wall inside the limiting groove.

[0017] As a preferred embodiment of the debugging and testing equipment described in this invention, the transverse vibration mechanism further includes a first horizontal frame fixed on two adjacent surfaces on the outside of the support and a second horizontal frame fixed on the outside of the lifting platform and opposite to the first horizontal frame. Each of the two first horizontal frames is slidably mounted with a mounting frame. The mounting frame consists of a movable frame and a push column designed as an integral unit. Each of the two movable frames is equipped with multiple swing heads that are equidistantly distributed vertically on one side, and the swing heads mounted on the two movable frames are staggered.

[0018] The beneficial effects of this invention are: 1. When an electric arc occurs inside any drawer, the present invention can control the top cover to move downward to block the open area above the drawer and introduce protective gas into the drawer to vent oxygen, thereby isolating the faulty drawer and achieving the purpose of extinguishing the arc and stopping the damage, while not affecting the operation of other drawers. 2. This invention drives the lifting platform downward by controlling the forward rotation of the drive shaft. During the downward movement of the lifting platform, the impact mechanism and the longitudinal vibration mechanism work together to simultaneously complete the lateral multi-point alternating impact test and longitudinal vibration test on the target part. Then, the drive shaft is controlled to rotate in the reverse direction to drive the lifting platform upward. During the upward movement of the lifting platform, the round rod is used to alternately squeeze the wedge blocks that are staggered in adjacent positions. The push columns on the two mounting brackets alternately push the seat block. After the push columns are reset, the seat block undergoes lateral reciprocating motion under the restoring force of the four straight springs, providing a lateral vibration force to the target part to achieve the purpose of lateral vibration test. The entire test process only needs to rely on a single power source. The structure is ingeniously designed and effectively reduces energy consumption. 3. In this invention, the swing bar deflects and presses against the target part during the process. The centripetal swing bar will squeeze the corresponding straight bar downward and drive the piston column to move downward. This creates a negative pressure in the air passage between the upper end of the piston column and the suction cup, thereby firmly holding the bottom end of the target part. This achieves the combination of negative pressure suction and lateral clamping to fix the target part on the top of the seat block, preventing the target part from falling out of the clamping mechanism during impact and vibration tests. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 This is a schematic diagram of the overall structure of the low-voltage switchgear of the present invention; Figure 2 This is a schematic diagram of the drawer unit of the low-voltage switchgear of the present invention; Figure 3 This is a first-view overall structural schematic diagram of the debugging and testing equipment of the present invention; Figure 4 This is a second-view overall structural schematic diagram of the debugging and testing equipment of the present invention; Figure 5 This is a schematic diagram of the longitudinal vibration mechanism structure of the debugging and testing equipment of the present invention; Figure 6 This is a schematic diagram of the clamping mechanism structure of the debugging and testing equipment of the present invention; Figure 7This is a partial structural diagram of the clamping mechanism of the debugging and testing equipment of the present invention; Figure 8 This is the present invention. Figure 7 A cross-sectional schematic diagram; Figure 9 This is a first-view structural schematic diagram of the impact mechanism of the debugging and testing equipment of the present invention; Figure 10 This is a second-view structural schematic diagram of the impact mechanism of the debugging and testing equipment of the present invention; Figure 11 This is a partial structural diagram of the transverse vibration mechanism of the debugging and testing equipment of the present invention; Figure 12 This is the present invention. Figure 11 Enlarged schematic diagram of part A in the middle.

[0020] The attached diagram is labeled as follows: 1. Cabinet body; 2. Drawer unit; 21. Drawer drawer; 22. Air vent one; 23. Slot; 24. Cover; 25. Air vent two; 3. Frame; 4. Clamping mechanism; 41. Seat block; 42. Cylinder; 43. Column; 44. Support plate; 45. Ear bracket one; 46. Swivel bar; 47. Arc rod; 48. Arc spring; 49. Guide column; 410. Piston column; 411. Through slot; 412. Straight spring one; 413. Straight bar; 414. Air passage; 415. Suction cup; 5. Impact mechanism; 51. Rack; 52. Lifting platform; 53. I-beam ring block; 54. Gear ring one; 55. Vertical plate one; 56. Horizontal shaft; 57. Gear one; 58. Gear two; 59. Side frame; 5 10. Impact head; 511. Push head; 6. Longitudinal vibration mechanism; 61. Ring plate; 62. Gear ring II; 63. U-shaped rod; 64. Triangular top block; 65. Vertical plate II; 66. Bevel gear I; 67. Gear III; 68. Ring column; 69. Bevel gear II; 610. Gear IV; 7. Lateral vibration mechanism; 71. Horizontal frame I; 72. Horizontal frame II; 73. Swing head; 731. Ear bracket II; 732. Baffle; 733. Rotating shaft; 734. Wedge block; 735. Groove; 736. Torsion spring; 74. Mounting bracket; 741. Moving frame; 742. Push column; 75. Limiting groove; 76. Limiting frame; 77. Straight spring II; 8. Support; 9. Drive shaft; 10. Straight spring III; 11. Sinking groove. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] The environmentally friendly low-voltage switchgear of this invention is an important component of the smart grid and one of the core equipment in the smart grid industry chain. It is a complete set of equipment composed of a variety of low-voltage electrical components and is mainly used for circuit control, protection and power distribution functions.

[0023] The debugging and testing equipment of this invention belongs to a part of the intelligent manufacturing equipment industry. It is a type of equipment for testing the structural stability of low-voltage switchgear and is used to conduct lateral impact tests and multi-dimensional vibration tests on low-voltage switchgear under simulated operating conditions.

[0024] Example 1: Refer to the appendix of the instruction manual. Figures 1-2 This embodiment is the first embodiment of the present invention, providing an environmentally friendly low-voltage switch cabinet, specifically including a cabinet body 1 and multiple drawer units 2 installed on the cabinet body 1. Each drawer unit 2 includes a drawer 21 installed inside the cabinet body 1 via a slide rail, allowing the drawer 21 to be easily pulled out. Both sides of the drawer 21 are provided with air holes 22, and the bottom of the drawer 21 is provided with a groove 23. An electric push rod is installed inside the groove 23, and the output end of the electric push rod is fixedly connected to a cover 24. An air chamber is provided on the cover 24, and the bottom of the cover 24 is provided with an air hole 25 communicating with the air chamber. A gas source pipe is also connected to the cover 24 at the position corresponding to the air chamber. The gas source pipe is a silicone hose to ensure that the gas source pipe will not be twisted and damaged during the lifting and lowering of the cover 24. The air inlet end of the gas source pipe connected to each cover 24 is connected to the main protective gas supply pipe. The protective gas is carbon dioxide or nitrogen. Each gas source pipe is equipped with a solenoid valve for controlling the on / off state.

[0025] It should be noted that the electric actuator is model HB-DJ801. Whether an electric arc is generated inside the drawer 21 during operation is determined by a sensor for precise detection. This sensor is a mature existing technology and will not be elaborated upon here. A cover plate, controlled by an electric component, is added to the working area of ​​the uppermost drawer 21 at the top of the cabinet 1's inner cavity (see the structure of the cover 24 below the drawer 21). This ensures that an electric arc in the uppermost drawer 21 can be dealt with promptly. The specific arc-extinguishing process is as follows: When the sensor detects an electric arc inside the corresponding drawer 21, it transmits a signal to the control terminal. The control terminal then controls the electric push rod located above the corresponding drawer 21 to push the cover 24 downward, causing the cover 24 to block the open area above the drawer 21 and reduce the space in the open area above the drawer 21. At the same time, the solenoid valve on the corresponding air supply pipe opens, and the protective gas supply main pipe supplies protective gas through the corresponding air supply pipe and the second air hole 25 to the inside of the drawer 21, so that it quickly fills the cavity formed between the inside of the drawer 21 and the cover 24. The introduced protective gas is then used to quickly expel the oxygen inside the drawer 21 through the first air hole 22, achieving the purpose of extinguishing the arc and preventing damage.

[0026] This invention can isolate and pressurize each faulty drawer with protective gas to extinguish the arc and prevent damage, without affecting the operation of other drawers 21.

[0027] Example 2: Refer to the appendix of the instruction manual. Figure 3 and Figures 5-6 This embodiment is the second embodiment of the present invention, providing a commissioning and testing device for an environmentally friendly low-voltage switchgear. The commissioning and testing device includes: The frame 3 consists of a top plate, a bottom plate, and columns fixedly connected to the four corners on opposite sides. The support 8 is movably fitted between the four columns, and a clamping mechanism 4 for clamping the cabinet 1 to be tested is movably installed on the top of the support 8. A straight spring 3 10 is fixedly connected between the bottom plate and the support 8. The straight spring 3 10 can be used in conjunction with the four columns that guide the support 8 to form a support platform. The cabinet 1 to be tested (hereinafter referred to as the target part) is movably installed on the support 8. A drive shaft 9 is movably installed on the support 8. A transverse vibration mechanism 7 is provided between the support 8 and the clamping mechanism 4, and a longitudinal vibration mechanism 6 is provided between the base plate and the support 8. An impact mechanism 5 is also slidably installed between the four columns. The impact mechanism 5 and the longitudinal vibration mechanism 6 are controlled to perform linkage actions by the forward rotation of the drive shaft 9, and the transverse vibration mechanism 7 is controlled to perform actions by the reverse rotation of the drive shaft 9. The clamping mechanism 4 includes a seat block 41, a clamping component is installed on the top of the seat block 41, a groove 11 is opened on the top of the support 8, the seat block 41 is located inside the groove 11, and the transverse vibration mechanism 7 is used to drive the seat block 41 to move laterally inside the groove 11.

[0028] It should be noted that a connecting joint is also installed on the top of the support 8. The target part can be installed on the clamping assembly on the top of the seat block 41, and the connecting joint can be connected to the target part to keep the cabinet in a continuous operating state. Then, during the debugging and testing of the target part, the impact mechanism 5 is driven to move downward by controlling the forward rotation of the drive shaft 9. While the impact mechanism 5 moves downward, not only will the impact component on the impact mechanism 5 perform multi-point alternating impact tests on the target part, but the rotating drive shaft 9 will also drive the longitudinal vibration mechanism 6 to apply a vertical vibration to the support 8. Conversely, when the drive shaft 9 is controlled to rotate in reverse, it will drive the transverse vibration mechanism 7 to act on the seat block 41 that carries the target part, causing the target part to vibrate horizontally. The entire impact test and vibration test process is achieved by controlling the forward and reverse rotation of the drive shaft 9, which is a clever structural design.

[0029] Furthermore, such as Figure 3As shown, the drive shaft 9 includes a main shaft rotatably mounted on the top plate via bearings and a secondary shaft rotatably mounted on the support 8 via bearings. The main shaft is driven to rotate by a motor fixedly mounted on the top plate. The motor is a Jingyan brand 80YS25GY38 forward and reverse motor. A cross groove is provided at the top of the secondary shaft, and a cross post is fixedly provided at the bottom of the main shaft and movably inserted into the cross groove. The outer top of the secondary shaft is threaded. By designing the main shaft and the secondary shaft as a movable plug-in structure, the longitudinal vibration test process of the support 8 can be carried out smoothly without affecting the alternating multi-point impact test of the impact mechanism 5.

[0030] Furthermore, such as Figures 3-4 and Figures 9-10 As shown, the impact mechanism 5 includes a rack 51 fixed to the top of the support 8 and a lifting platform 52 movably sleeved between the four columns. The top of the rack 51 and the sub-shaft both movably pass through the lifting platform 52, and the lifting platform 52 is threadedly connected to the threaded section of the sub-shaft. An I-shaped ring block 53 is rotatably installed at the center of the lifting platform 52. Three push heads 511 are fixedly installed on the top of the I-shaped ring block 53 in a ring shape. Four side frames 59 are fixedly installed on the top of the lifting platform 52 in a ring shape. An impact head 510 is installed on the side of the four side frames facing the I-shaped ring block 53. The number of push heads 511 and impact heads 510 can be set according to actual needs. It is only necessary to avoid the simultaneous action of two impact heads 510 with different impact directions. A drive component is installed at the bottom of the lifting platform 52 to drive the I-shaped ring block 53 to rotate. The push heads 511 intermittently drive the four impact heads 510 to impact the cabinet 1 to be tested through the rotation of the I-shaped ring block 53.

[0031] Specifically, the impact head 510 includes a sleeve rod and a limiting strip fixedly connected to the corresponding side frame 59. A sleeve is movably sleeved on the outside of the sleeve rod, and a return spring is fixedly sleeved on the outside of the sleeve rod to connect the corresponding side frame 59 and the sleeve. A lever block is integrally formed at the bottom of the outer side of the sleeve near the side frame 59, which is movably overlapped with the top of the I-shaped ring block 53. A groove is opened in the middle of the lever block along the axial direction of the sleeve rod. The limiting strip is movably inserted into the groove. The lever block can be prevented from deflecting during the process of the push head 511 pushing the corresponding lever block by the cooperation of the limiting strip and the groove. The side of the lever block facing the feed direction of the push head 511 is set as an arc surface to ensure the smooth progress of the impact process.

[0032] Furthermore, the driving component includes a gear ring 54 rotatably connected to the outer side of the bottom end of the I-shaped ring block 53 via a one-way bearing and a vertical plate 55 fixed to the bottom of the lifting platform 52. A horizontal shaft 56 is rotatably mounted on the bottom end of the vertical plate 55 via a bearing. Gear 57 and gear 58 are respectively fixedly sleeved at both ends of the horizontal shaft 56. Gear 57 meshes with a rack 51, and gear 58 meshes with gear ring 54. By using a one-way bearing to connect gear ring 54 and I-shaped ring block 53, during the downward movement of the lifting platform 52, the rotating gear 58 can drive gear ring 54 to drive I-shaped ring block 53 to rotate synchronously. Conversely, gear ring 54 will idle.

[0033] It should be noted that during the side impact test of the target part, the target part is placed on the top of the support 8 and clamped and fixed by the clamping mechanism 4. Then, the motor is started to drive the main shaft to rotate in the forward direction, thereby driving the secondary shaft to rotate synchronously. During the rotation of the secondary shaft, the lifting platform 52 will move vertically downward under the action of the rotation of the secondary shaft. When the lifting platform 52 moves downward, since the rack 51 is fixed on the top of the support 8 and the setting of the vertical plate 55 keeps the meshing state between the gear 57 and the rack 51 and between the gear 58 and the gear ring 54, the gear 57 will rotate under the drive of the rack 51 when the vertical plate 55 moves down synchronously with the lifting platform 52. This will drive the gear 58 to rotate synchronously, and the gear 58 will drive the gear ring 54 to rotate, thereby driving the I-shaped ring block 53 to rotate. During the rotation of the I-shaped ring block 53, the push head 511 mounted on its top rotates synchronously. When the push head 511 contacts the inclined surface of the paddle block on the impact head 510 during its rotation, as the push head 511 continues to rotate, it will squeeze the paddle block, causing the paddle block to move along the axis of the sleeve rod under the restriction of the limiting bar, and squeeze the corresponding return spring, allowing the return spring to store force. When the push head 511 is displaced from the paddle block during its rotation, the sleeve will instantly retract under the restoring force of the corresponding return spring and impact the corresponding side surface of the target part. In this way, as the lifting platform 52 gradually moves down, multiple points of alternating impact testing on multiple sides of the target part can be completed. When the drive shaft 9 is controlled to rotate in reverse by the motor, due to the action of the one-way bearing, the rotating gear 2 58 will only drive the gear ring 1 54 to rotate freely. During this process, the impact head 510 will not impact the surface of the target part.

[0034] Furthermore, such as Figures 4-5As shown, the longitudinal vibration mechanism 6 includes an annular plate 61 fixed to the top of the base plate and four U-shaped rods 63 fixedly connected to the outer side of the base plate in a ring-shaped and uniformly distributed manner. A gear ring 62 is rotatably mounted on the outer side of the annular plate 61 via a one-way bearing. A bushing is rotatably mounted on the end of each of the four U-shaped rods 63 away from the base plate via a bearing. A gear 610 and a triangular top block 64 are fixedly mounted on the outer side of each bushing, and the gear 610 meshes with the gear ring 62.

[0035] Furthermore, the longitudinal vibration mechanism 6 also includes a vertical plate 65 fixed to the top of the base plate and a ring column 68 rotatably mounted on the base plate via bearings. A bevel gear 69 sleeved on the outside of the sub-shaft is fixedly connected to the top of the ring column 68. A rotating rod is rotatably mounted on the top of the vertical plate 65 via bearings. A gear 67 meshing with a gear ring 62 is fixedly sleeved on one end of the rotating rod. A bevel gear 66 meshing with the bevel gear 69 is rotatably mounted on the other end of the rotating rod via a one-way bearing. The bottom end of the sub-shaft is movably inserted into the ring column 68, and a guide groove is provided on the outside of the bottom end of the sub-shaft. A locking block is fixedly provided on the inside of the bevel gear 69 and slidably connected to the corresponding guide groove. The setting of the guide groove and the locking block can ensure that the bevel gear 66 and the bevel gear 69 are always in a meshing state, but will not affect the sub-shaft from moving up and down together with the support 8 under the action of longitudinal vibration force.

[0036] It should be noted that by using a one-way bearing to connect the gear ring 62 and the ring plate 61, and by using a one-way bearing to connect the bevel gear 66 and the rotating rod, the drive shaft 9 can smoothly drive the gear ring 62 to rotate during forward rotation. This drives two sets (two triangular top blocks arranged opposite each other as one set) of triangular top blocks 64 arranged in a cross shape to alternately push the support 8 upward to stretch the straight spring 10. Then, the misalignment of the two sets of triangular top blocks 64 causes the support 8 to vibrate up and down under the restoring force of the straight spring 10. During the reverse rotation of the drive shaft 9, the stopped gear ring 62 will stop the gear 67, causing the bevel gear 66 to idle.

[0037] During the process of using the impact head 510 to perform multi-point alternating impact tests on multiple sides of the target part by gradually moving the lifting platform 52 downwards, the drive shaft 9 is in a continuous rotating state, which causes the bevel gear 69 to also be in a continuous rotating state. As the bevel gear 69 rotates, it drives the bevel gear 66 to rotate. Due to the action of the one-way bearing, the rotating bevel gear 66 synchronously drives the rotating rod and the gear 67 to rotate. The rotating gear 67 then drives the gear ring 62 to rotate. As the gear ring 62 rotates, it synchronously drives the four gears 610 to rotate, thereby causing the four triangular top blocks 64 to rotate synchronously. As the four triangular top blocks 64 rotate, the two sets of triangular top blocks 64 arranged in a cross shape will alternately push the support 8 upwards and stretch the straight spring 10. When the two triangular top blocks 64 in the same group are no longer in the state of pushing the support 8, the support 8 will vibrate up and down under the restoring force of the straight spring 10, thus achieving the purpose of longitudinal vibration testing. When the drive shaft 9 is controlled by the motor to rotate in the reverse direction, the gear ring 62 will not rotate due to the action of the one-way bearing, while the bevel gear 66 will rotate freely under the drive of the bevel gear 69, thus stopping the longitudinal vibration test during the upward movement of the lifting platform 52.

[0038] Furthermore, such as Figures 4-6 and Figures 11-12 As shown, the transverse vibration mechanism 7 includes a limiting groove 75 opened on the outside of the seat block 41 and a limiting frame 76 fixed on the inside of the sink 11. The limiting frame is movably embedded in the limiting groove 75. A straight spring 77 is fixedly connected between the inner side of the limiting frame 76 and the corresponding side wall inside the limiting groove 75. When the straight spring 77 is in its natural state, the central axis of the seat block 41 and the limiting frame 76 are collinear. In this state, the four straight edges of the limiting frame 76 are all stuck inside the limiting groove 75, ensuring that the seat block 41 will not detach from the sink 11 during the test.

[0039] Furthermore, the transverse vibration mechanism 7 also includes a first crossbeam 71 fixed to two adjacent surfaces on the outer side of the support 8 and a second crossbeam 72 fixed to the outer side of the lifting platform 52 opposite to the first crossbeam 71. The first crossbeam 71 consists of a rectangular frame fixedly connected to the support 8 and a straight rod fixed to the middle of the inner side of the rectangular frame. The second crossbeam 72 consists of two ear plates fixedly connected to the lifting platform 52 and a round rod fixed between the two ear plates. Mounting brackets 74 are slidably mounted on both first crossbeams 71. The mounting brackets 74 are integrally designed and movable. The moving frame 741 and the push column 742 are combined. The moving frame 741 is slidably connected to the inside of the rectangular frame, and the straight rod moves through the moving frame 741. In addition, a buffer spring (not shown in the attached figure) can be sleeved on the outside of the straight rod. Under the action of the buffer spring, the moving frame 741 in the initial state is in contact with the side of the rectangular frame away from the support 8. Multiple swing heads 73 are installed on one side of both moving frames 741 in a vertically equidistant manner, and the swing heads 73 installed on the two moving frames 741 are staggered.

[0040] Specifically, the swing head 73 includes a second ear bracket 731 and a baffle 732 fixed to the surface of the movable frame 741. A rotating shaft 733 is fixedly installed on the second ear bracket 731. A wedge block 734 is rotatably sleeved in the middle of the rotating shaft 733. Both sides of the wedge block 734 have slots 735, and the end face of the wedge block 734 connected to the rotating shaft 733 is a semi-circular arc surface. Torsion springs 736 are sleeved on the outer side of the rotating shaft 733 at the positions corresponding to the two slots 735, and the elastic coefficient of the buffer spring is greater than that of the torsion spring 736. Under the elastic force of the torsion spring 736, the wedge block 734 is pushed to a state that fits against the lower surface of the baffle 732. In this state, the length of the baffle 732 is less than the diameter of the semi-circular arc end of the wedge block 734. At the same time, the minimum distance between the baffle 732 and the central axis of the rotating shaft 733 is greater than the radius of the arc end of the wedge block 734, ensuring that the downward deflection process of the wedge block 734 is not blocked by the baffle 732. During the vertical movement, the round rod on the second crossbeam 72 moves in contact with the end face of the baffle 732.

[0041] It should be noted that when the lifting platform 52 is driven to move downward using the forward-rotating drive shaft 9, the second crossbeam 72 will move downward synchronously with the lifting platform 52. During the downward movement of the second crossbeam 72, when the round rod on it contacts the upper surface of the wedge block 734 on the swing head 73, as the second crossbeam 72 continues to move downward, the round rod will push the wedge block 734 to swing downward and compress the corresponding torsion spring 736. During this process, the moving frame 741 remains in its current position without moving under the action of the buffer spring. After the round rod and the wedge block 734 are no longer in contact, the wedge block 734 will instantly reset under the restoring force of the torsion spring 736. When the lifting platform 52 is driven upward by the reverse-rotating drive shaft 9, after the round rod on the second crossbeam 72 contacts the inclined surface of the wedge block 734 on the swing head 73, as the second crossbeam 72 continues to move upward, the wedge block 734, after being reset, is blocked by the baffle 732. This causes the round rod during the upward movement to push the wedge block 734 to move laterally, and pushes the moving frame 741 to compress the buffer spring along the axis of the straight rod. At the same time, it pushes the push column 742 to push the seat block 41, so that the seat block 41 is restricted by the limit frame 76. The downward movement causes one of the straight springs 77 in the direction of movement to be compressed, while the other straight spring 77 in the direction of movement is stretched. The two springs perpendicular to the direction of movement will bend to one side. After the round rod and the wedge block 734 are disengaged during the upward movement, the moving frame 741 will instantly reset under the action of the corresponding buffer spring. The seat block 41 will then undergo lateral reciprocating motion under the restoring force of the four straight springs 77, providing a lateral vibration force to the target part and achieving the purpose of lateral vibration testing.

[0042] Example 3: Refer to the appendix of the instruction manual. Figures 5-8 This embodiment is the third embodiment of the present invention. The difference between this embodiment and the second embodiment is that the clamping assembly includes a countersunk hole opened on the top of the seat block 41. A cylinder 42 is fixedly installed inside the countersunk hole. The cylinder 42 is a single-acting cylinder of model DSA25N200. A column rod 43 is fixedly connected to the telescopic end of the cylinder 42. A support plate 44 is fixedly connected to the top of the column rod 43. The support plate 44 is configured as a four-blade structure, and a notch is formed between two adjacent blades. A column groove is opened at the top of the seat block 41 corresponding to the position of each blade. A guide post 49 is fixedly connected to the bottom of each blade and is movably inserted into the corresponding column groove. The clamping assembly also includes ear brackets 45 fixed at the top of the seat block 41 at each notch position. Each ear bracket 45 is hinged with a swing bar 46. An arc rod 47 is movably passed through the swing bar 46. Both ends of the arc rod 47 are fixedly connected to the seat block 41. The axis of the center point of the arc rod 47 coincides with the central axis of the swing bar 46, ensuring that the swing bar 46 can swing stably along the arc rod 47. Arc springs 48 are sleeved on the outer sides of both ends of the arc rod 47.

[0043] Furthermore, the rod 43 is hollow, and a piston rod 410 is movably sleeved inside the rod 43. A straight spring 412 is fixedly connected between the piston rod 410 and the bottom end face of the inner cavity of the rod 43. The elastic coefficient of the straight spring 412 is less than that of the arc spring 48. In the initial state, the piston rod 410 is pushed to a position near the upper end inside the rod 43 under the action of the straight spring 412. A through groove 411 is opened on the outer side of the rod 43 at the positions corresponding to the four swing bars 46. Each through groove 411 has a movable through groove. A straight bar 413 is provided that is connected to the bottom end of the piston rod 410. The end of the straight bar 413 is in contact with the corresponding end of the swing bar 46. Under the action of the swing bar 46, the straight spring 412 is compressed. The straight bar 413 can be pressed down by the swing bar 46 which is deflected, thereby driving the piston rod 410 to move downward and compressing the straight spring 412. The top of the four blades on the support plate 44 are all fixedly embedded with suction cups 415, and the support plate 44 has an air passage 414 that connects the inner cavity of the rod 43 to each suction cup 415.

[0044] It should be noted that, to ensure the smooth execution of the negative pressure suction process, elastic elements (not shown in the attached diagram) can be fixedly installed at the top of the seat block 41 at the position corresponding to each straight bar 413 to support the straight bar 413. These elastic elements consist of a vertical rod fixed to the top of the seat block 41, a vertical cylinder movably sleeved on the top of the vertical rod, and a connecting spring sleeved outside the vertical rod and fixedly connecting the vertical cylinder to the seat block 41. The elastic coefficient of the connecting spring is greater than that of the straight spring 412. During the clamping and fixing of the target part, the target part is placed... After the top of the support plate 44 is reached, the cylinder 42 controls the rod 43 to drive the support plate 44 carrying the target part to move downward. During this process, since the straight bar 413 is blocked by the corresponding elastic element, the elastic element will push the piston rod 410 to move upward as the rod 43 moves downward, expelling the air between the piston rod 410 and the top of the inner cavity of the rod 43, and causing the compressed straight spring 412 to gradually return to the highest point of the piston rod 410 inside the rod 43. At this time, the end of the swing bar 46 near the rod 43 is exactly inserted into the corresponding notch. As the control plate 44 continues to move downward, the target part will press down on one end of the swing bar 46 near the column rod 43, and cause the swing bar 46 to swing centripetally along the corresponding arc rod 47, so that the other end of the swing bar 46 tilts upward and abuts against the side wall of the target part. At the same time, during the process of the swing bar 46 swinging and pressing against the target part, the swing bar 46 swinging centripetally will press down on the corresponding straight bar 413, and cause the straight bar 413 to press down on the elastic element, so as to drive the piston column 410 to move downward, so that the air passage 414 between the upper end of the piston column 410 and the suction cup 415 forms a negative pressure, thereby firmly sucking the bottom end of the target part, so as to use the negative pressure suction and lateral clamping to fix the target part on the top of the seat block 41, and prevent the target part from falling off the clamping mechanism 4 during the impact test and vibration test.

[0045] The working principle of the above-mentioned debugging and testing equipment is as follows: After the target part is installed on the support plate 44 on the top of the seat block 41, the cylinder 42 controls the rod 43 to drive the support plate 44 carrying the target part to move downward. The target part presses the swing bar 46 to cause centripetal swing, clamping the side of the target part. The centripetal swing bar 46 indirectly presses the piston column 410 downward, so that a negative pressure is formed in the air passage between the upper end of the piston column 410 and the suction cup 415. Thus, the target part is clamped and fixed on the top of the seat block 41 by the combination of negative pressure suction and lateral clamping. After the target component is fixed, the drive shaft 9 is controlled by a motor to rotate in the forward direction, causing the lifting platform 52 to descend. During the descent of the lifting platform 52, the impact mechanism 5 and the longitudinal vibration mechanism 6 are activated in tandem to simultaneously complete the lateral multi-point alternating impact test and the longitudinal vibration test on the target component. Then, the drive shaft 9 is controlled to rotate in the reverse direction, allowing the lifting platform 52 to complete the lateral vibration test on the target during the ascent and reset process. The entire testing process only requires a single power source, demonstrating a clever structural design and effectively reducing energy consumption.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. An environmentally friendly low-voltage switchgear, characterized in that, The environmentally friendly low-voltage switchgear includes: Cabinet (1), on which multiple drawer units (2) are installed; The drawer unit (2) includes a drawer (21) installed inside the cabinet (1) via a slide rail. Air holes (22) are provided on both sides of the drawer (21). A groove (23) is provided at the bottom of the drawer (21). An electric push rod is installed inside the groove (23). A cover (24) is fixedly connected to the output end of the electric push rod. An air chamber is provided on the cover (24). An air hole (25) connected to the air chamber is provided at the bottom of the cover (24). An air source pipe is also connected to the cover (24) at the position corresponding to the air chamber.

2. A commissioning and testing device for an environmentally friendly low-voltage switchgear, wherein the commissioning and testing device is used to commission and test the environmentally friendly low-voltage switchgear as described in claim 1, characterized in that, The debugging and testing equipment includes: The frame (3) consists of a top plate, a bottom plate and columns fixedly connected to the four corners on opposite sides of the two. A support (8) is movably fitted between the four columns. A clamping mechanism (4) for clamping the cabinet (1) is movably installed on the top of the support (8). A straight spring (10) is fixedly connected between the bottom plate and the support (8). A drive shaft (9) is movably installed on the support (8). A transverse vibration mechanism (7) is provided between the support (8) and the clamping mechanism (4), and a longitudinal vibration mechanism (6) is provided between the base plate and the support (8). An impact mechanism (5) is also slidably installed between the four columns. The impact mechanism (5) and the longitudinal vibration mechanism (6) are controlled to perform linkage actions by the forward rotation of the drive shaft (9), and the transverse vibration mechanism (7) is controlled to perform actions by the reverse rotation of the drive shaft (9).

3. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 2, characterized in that, The drive shaft (9) includes a main shaft that is rotatably mounted on the top plate via bearings and a secondary shaft that is rotatably mounted on the support (8) via bearings. The top end of the secondary shaft is provided with a cross groove, and the bottom end of the main shaft is fixedly provided with a cross post that is movably inserted into the cross groove. The top end of the outer side of the secondary shaft is threaded.

4. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 3, characterized in that, The impact mechanism (5) includes a rack (51) fixed on the top of the support (8) and a lifting platform (52) movably sleeved between the four columns. The top of the rack (51) and the sub-shaft both movably pass through the lifting platform (52), and the lifting platform (52) is threadedly connected to the threaded section of the sub-shaft.

5. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 4, characterized in that, An I-shaped ring block (53) is rotatably installed at the center of the lifting platform (52). Three push heads (511) are fixedly arranged in a ring on the top of the I-shaped ring block (53). Four side frames (59) are fixedly arranged in a ring on the top of the lifting platform (52). Impact heads (510) are installed on the side of the four side frames facing the I-shaped ring block (53). A drive component for driving the I-shaped ring block (53) to rotate is installed at the bottom of the lifting platform (52). The push heads (511) intermittently drive the four impact heads (510) to impact the cabinet (1) to be tested by rotating the I-shaped ring block (53).

6. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 5, characterized in that, The drive component includes a gear ring (54) rotatably connected to the outer side of the bottom end of the I-shaped ring block (53) via a one-way bearing and a vertical plate (55) fixed to the bottom of the lifting platform (52). A horizontal shaft (56) is rotatably mounted on the bottom end of the vertical plate (55) via a bearing. Gear 1 (57) and gear 2 (58) are fixedly sleeved at both ends of the horizontal shaft (56). Gear 1 (57) meshes with a rack (51), and gear 2 (58) meshes with gear ring 1 (54).

7. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 3, characterized in that, The longitudinal vibration mechanism (6) includes a ring plate (61) fixed to the top of the base plate and four U-shaped rods (63) fixedly connected to the outside of the base plate in a ring and evenly distributed. A gear ring (62) is rotatably installed on the outside of the ring plate (61) through a one-way bearing. A bushing is rotatably installed on the end of each of the four U-shaped rods (63) away from the base plate through a bearing. A gear four (610) and a triangular top block (64) are fixedly sleeved on the outside of each bushing, and the gear four (610) meshes with the gear ring two (62). The longitudinal vibration mechanism (6) also includes a vertical plate two (65) fixed to the top of the base plate and a ring column (68) rotatably mounted on the base plate via a bearing. A bevel gear two (69) sleeved on the outside of the secondary shaft is fixedly connected to the top of the ring column (68). A rotating rod is rotatably mounted on the top of the vertical plate two (65) via a bearing. A gear three (67) meshing with a gear ring two (62) is fixedly sleeved on one end of the rotating rod. A bevel gear one (66) meshing with bevel gear two (69) is rotatably mounted on the other end of the rotating rod via a one-way bearing. The bottom end of the secondary shaft is movably inserted into the ring column (68), and a guide groove is opened on the outside of the bottom end of the secondary shaft. A locking block is fixedly slidably connected to the corresponding guide groove on the inside of the bevel gear two (69).

8. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 2, characterized in that, The clamping mechanism (4) includes a seat block (41), a clamping component is installed on the top of the seat block (41), a sink groove (11) is opened on the top of the support (8), the seat block (41) is located inside the sink groove (11), and a transverse vibration mechanism (7) is used to drive the seat block (41) to move laterally inside the sink groove (11).

9. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 8, characterized in that, The transverse vibration mechanism (7) includes a limiting groove (75) opened on the outside of the seat block (41) and a limiting frame (76) fixed on the inside of the sink (11). The limiting frame is movably embedded in the limiting groove (75), and a straight spring (77) is fixedly connected between the inner side of the limiting frame (76) and the corresponding side wall inside the limiting groove (75).

10. The commissioning and testing equipment for the environmentally friendly low-voltage switchgear according to claim 4, characterized in that, The transverse vibration mechanism (7) also includes a first crossbeam (71) fixed on two adjacent sides of the outer side of the support (8) and a second crossbeam (72) fixed on the outer side of the lifting platform (52) opposite to the first crossbeam (71). Mounting frames (74) are slidably installed on both first crossbeams (71). The mounting frames (74) are composed of a movable frame (741) and a push column (742) designed as an integral unit. Multiple swing heads (73) are installed on one side of both movable frames (741) and are distributed vertically at equal intervals. The swing heads (73) installed on the two movable frames (741) are staggered.

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