A molded case circuit breaker detection system
By designing a molded case circuit breaker testing system, a highly efficient and safe multiple power-on and power-off testing system is achieved using mechanized drive and linkage mechanisms without manual operation. It is applicable to different models of molded case circuit breakers and solves the problem of time-consuming and labor-intensive manual testing in existing technologies.
Patent Information
- Application Number
- CN202210524714.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-14
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2042-05-14
AI Technical Summary
In the current technology, the connection testing of molded case circuit breakers mainly relies on manual operation, which is time-consuming, labor-intensive, and inefficient.
A molded case circuit breaker testing system was designed, including a drive mechanism, a plug-in energizing mechanism, a lifting linkage mechanism, a lifting frame mechanism, and a circuit breaker mounting frame. It achieves multiple continuous energizing and de-energizing tests in a mechanized manner and is suitable for molded case circuit breakers of different sizes and terminal numbers.
It enables efficient and safe multiple power-on/power-off testing without manual operation, and is applicable to different models of molded case circuit breakers, improving testing efficiency and stability.
Smart Images

Figure CN114879027B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of circuit breaker, more particularly, to a plastic case circuit breaker detection system. BACKGROUND
[0002] The plastic case circuit breaker is suitable for AC 50Hz, rated working voltage 690V and below, rated working current from 63A to 1250A, and is used for infrequent conversion and motor infrequent starting in low-voltage distribution or protection circuit. The plastic case circuit breaker has overload, short-circuit and under-voltage protection functions, and can protect the line and power supply equipment from damage.
[0003] After the finished product processing of the plastic case circuit breaker is completed, it needs to be detected, but the current power detection of the plastic case circuit breaker is often realized by manpower and manual work, which is time-consuming and laborious. SUMMARY
[0004] The present application relates to the technical field of circuit breaker, more particularly, to a plastic case circuit breaker detection system.
[0005] To achieve the above-mentioned purpose, the present application provides a plastic case circuit breaker detection system, which comprises a driving mechanism, a plug-in power supply mechanism, a lifting linkage mechanism, a lifting frame mechanism, a circuit breaker mounting rack and a rack; the driving mechanism is fixed on the rack, and the driving mechanism is drivingly connected with two plug-in power supply mechanisms; the two plug-in power supply mechanisms are slidably matched at the two ends of the rack; the two plug-in power supply mechanisms are respectively drivingly connected with a lifting linkage mechanism, and the two lifting linkage mechanisms are oppositely arranged at the two ends of the rack; the two lifting linkage mechanisms are respectively drivingly connected with a lifting frame mechanism, and the two lifting frame mechanisms are oppositely connected at the two ends of the rack; the two lifting frame mechanisms are fixedly connected through the circuit breaker mounting rack; the circuit breaker mounting rack is located between the two plug-in power supply mechanisms and above the rack.
[0006] Optionally, the driving mechanism comprises a driving motor, a rotating wheel, an eccentric connecting rod, a lifting slide rod, a guide vertical frame and a push-pull connecting rod; the driving motor is fixed on the rack; a rotating wheel is fixedly connected on the output shaft of the driving motor; one end of the eccentric connecting rod is rotatably connected with the eccentric position of the rotating wheel, and the other end of the eccentric connecting rod is rotatably connected in the middle of the lifting slide rod; the middle of the lifting slide rod is slidably matched on the guide vertical frame through a rectangular slide; the two ends of the lifting slide rod are respectively rotatably connected with the inner ends of two push-pull connecting rods, and the outer ends of the two push-pull connecting rods are respectively rotatably connected with the inner ends of a plug-in power supply mechanism, so as to drive the two plug-in power supply mechanisms to slide relatively or away from each other on the rack.
[0007] Optionally, the plug-in power supply mechanism comprises a linkage block, a horizontal rack, a movable seat assembly and a conductive block assembly; the outer end of the push-pull connecting rod is rotatably connected to the inner end of the linkage block; the movable seat assembly and the linkage block are respectively fixed to the upper and lower ends of the inner side of the horizontal rack; the middle part of the horizontal rack is slidably fitted in the inner and outer slides of the side of the frame; the conductive block assembly is installed on the movable seat assembly; the teeth on the bottom surface of the horizontal rack are in meshing transmission connection with the lifting frame mechanism.
[0008] Optionally, the movable seat assembly comprises a fixed frame, a movable frame, a horizontal shaft, a buffer compression spring, a horizontal plate, a horizontal screw rod and a vertical screw rod; the fixed frame is fixed to the horizontal rack; the outer side of the fixed frame is fixedly connected to the inner ends of two horizontal shafts, the middle parts of the two horizontal shafts are slidably fitted in the two ends of the movable frame, and the outer ends of the two horizontal shafts are fixedly connected to the horizontal plate; the buffer compression spring is sleeved on the horizontal shaft and located between the fixed frame and the movable frame; the middle part of the horizontal screw rod is threadedly fitted on the horizontal plate, and the inner end of the horizontal screw rod is pressed against the outer end of the movable frame; the movable frame is provided with a longitudinal slide, and the upper and lower ends of the vertical screw rod are rotatably fitted in the upper and lower ends of the longitudinal slide; the vertical screw rod is in threaded transmission connection with the conductive block assembly to drive the conductive block assembly to slide up and down in the longitudinal slide of the movable frame.
[0009] Optionally, the movable seat assembly further comprises an auxiliary support wheel; one auxiliary support wheel is rotatably connected to each end of the movable frame, and the auxiliary support wheels are rollingly fitted on the top surface of the frame.
[0010] Optionally, the conductive block assembly comprises a center frame, a control screw rod, a center block, an inclined push rod, a limiting sliding block, an inner mounting seat, an inner conductive block, a guide cross rod, an outer mounting seat, an outer conductive block and a fastening bolt; the outer end of the center frame is slidably fitted in the longitudinal slide of the movable frame; one end of the control screw rod is rotatably connected to the middle of the center frame, and the middle part of the control screw rod is in threaded transmission connection with the center block; the two ends of the center block are rotatably connected to one end of each of the two inclined push rods, the other ends of the two inclined push rods are rotatably connected to one limiting sliding block, the two limiting sliding blocks are relatively slidably fitted in the two inner and outer sliding grooves of the center frame, the inner ends of the two inner mounting seats are respectively fixedly connected to the two limiting sliding blocks, the two inner mounting seats are relatively slidably fitted in the center frame, and the inner ends of the two inner mounting seats are respectively fixedly connected to one inner conductive block; one guide cross rod is fixedly arranged on the outer side of each of the two inner mounting seats; one outer mounting seat is slidably fitted and connected to each of the two guide cross rods, a fastening bolt is threadedly fitted on the outer mounting seat and pressed against the guide cross rod, and the inner ends of the two outer mounting seats are respectively fixedly connected to one outer conductive block.
[0011] Optionally, the lifting linkage mechanism comprises a linkage gear, a rotating shaft, a bearing shaft frame and a transmission gear; the teeth of the horizontal rack bottom surface are in meshing transmission connection with the upper end of the linkage gear; the linkage gear is fixed in the middle of the rotating shaft; the rotating shaft is rotationally connected to the bearing shaft frame, and the bearing shaft frame is fixed to the rack; the outer end of the rotating shaft is fixedly connected to two transmission gears, and the inner sides of the two transmission gears are in meshing transmission connection with the lifting frame mechanism.
[0012] Optionally, the lifting frame mechanism comprises a vertical rack, a push-pull frame, a push-pull sliding plate, a longitudinal screw rod, an adjusting nut, a tension spring, a lifting cross frame and a sliding vertical shaft; the inner sides of the two transmission gears are respectively in meshing transmission connection with one vertical rack, and the two vertical racks are fixed to the lower end of the push-pull frame; the upper end of the push-pull frame is fixedly connected to two push-pull sliding plates, the two push-pull sliding plates are slidingly fitted on two longitudinal screw rods, the two longitudinal screw rods are fixed to the lifting cross frame, a tension spring is sleeved on the longitudinal screw rod, and the tension spring is located between the lifting cross frame and the push-pull sliding plate; the longitudinal screw rod is threadedly connected with an adjusting nut, and the adjusting nut is clamped on the top surface of the push-pull sliding plate; the lower end of the lifting cross frame is fixedly connected to two sliding vertical shafts, and the middle portions of the sliding vertical shafts are slidingly fitted on the rack; the inner end of the lifting cross frame is fixedly connected to a circuit breaker mounting frame.
[0013] Optionally, the circuit breaker mounting frame comprises a bracket body, a bidirectional screw rod, a central support, a horizontal sliding sleeve, a centering stopper, a distance adjusting screw rod and an inner top pressing block; the two ends of the bracket body are fixedly connected to the lifting cross frames of the two lifting frame mechanisms; the middle portion of the bidirectional screw rod is rotationally fitted on the central support, and the central support is fixed in the middle of the bracket body; the two ends of the bidirectional screw rod are threadedly connected to two horizontal sliding sleeves which are slidingly fitted on the bracket body, and the inner ends of the two horizontal sliding sleeves are respectively fixed with one centering stopper; the middle portions of two distance adjusting screw rods are threadedly connected to the two ends of the bracket body respectively, and the inner ends of the two distance adjusting screw rods are respectively rotationally connected to one inner top pressing block which is slidingly fitted on the bracket body; the axis of the distance adjusting screw rod is perpendicular to the axis of the bidirectional screw rod; the axis of the bidirectional screw rod is perpendicular to the axis of the driving motor output shaft.
[0014] Optionally, the plastic housing circuit breaker detection system further comprises a limiting mechanism; the limiting mechanism comprises an adjusting rotating block, a lower disc, a compression spring, a rotating screw rod and an upper disc; the adjusting rotating block is fixed to the lower end of the rotating screw rod; the middle portion of the rotating screw rod is threadedly fitted on the rack, the upper end of the rotating screw rod is fixedly connected to the upper disc, and the upper disc is located directly below the bracket body; the rotating screw rod is fixedly connected with the lower disc, and the lower disc is located between the adjusting rotating block and the rack; the rotating screw rod is sleeved with the compression spring, and the compression spring is located between the lower disc and the rack.
[0015] The beneficial effects of the present application are as follows:
[0016] The application can detect the multiple continuous power-on and power-off of the plastic shell circuit breaker, and the power-on and power-off do not need manual operation, are safe and have high efficiency; the circuit breaker mounting frame for clamping and fixing plastic shell circuit breakers of different sizes is arranged in the application, so that plastic shell circuit breakers of different models can be conveniently detected and used; the plug-in power-on mechanism that can be adjusted according to the plastic shell circuit breaker is arranged in the application, so that the application is suitable for detecting plastic shell circuit breakers with different numbers of input terminals and output terminals.
[0017] In order to make the above objectives, characteristics and advantages of the present application more apparent, the following preferred embodiments are specifically described below, and the accompanying drawings are referred to, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the related art descriptions. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.
[0019] Figure 1 The overall schematic diagram provided for the embodiments of the present application Figure 1
[0020] Figure 2 The overall schematic diagram provided for the embodiments of the present application Figure 2
[0021] Figure 3 The schematic diagram of the driving mechanism provided for the embodiments of the present application
[0022] Figure 4 The schematic diagram of the plug-in power-on mechanism provided for the embodiments of the present application Figure 1
[0023] Figure 5 The schematic diagram of the plug-in power-on mechanism provided for the embodiments of the present application Figure 2
[0024] Figure 6 The schematic diagram of the movable seat assembly provided for the embodiments of the present application
[0025] Figure 7 The schematic diagram of the conductive block assembly provided for the embodiments of the present application
[0026] Figure 8 The schematic diagram of the lifting linkage mechanism provided for the embodiments of the present application
[0027] Figure 9 The schematic diagram of the lifting frame mechanism provided for the embodiments of the present application
[0028] Figure 10 The schematic view of the circuit breaker mounting rack provided by the embodiment of the present application;
[0029] Figure 11 The schematic view of the limiting mechanism provided by the embodiment of the present application;
[0030] Figure 12 The schematic view of the rack provided by the embodiment of the present application.
[0031] Icon: driving mechanism 1; driving motor 101; rotating wheel 102; eccentric connecting rod 103; lifting slide rod 104; guide vertical rack 105; push-pull connecting rod 106; plug-in power supply mechanism 2; linkage block 201; horizontal rack 202; movable seat assembly 203; fixed rack 203A; movable rack 203B; horizontal shaft 203C; buffer compression spring 203D; horizontal plate 203E; horizontal screw rod 203F; vertical screw rod 203G; auxiliary support wheel 203H; conductive block assembly 204; center rack 204A; control screw rod 204B; center block 204C; inclined push rod 204D; limiting slide block 204E; inner mounting seat 204F; inner conductive block 204G; guide horizontal rod 204H; outer mounting seat 204I; outer conductive block 204J; fastening bolt 204K; lifting linkage mechanism 3; linkage gear 301; rotating shaft 302; bearing shaft rack 303; transmission gear 304; lifting rack mechanism 4; vertical rack 401; push-pull rack 402; push-pull slide plate 403; longitudinal screw rod 404; adjusting nut 405; tension spring 406; lifting horizontal rack 407; sliding vertical shaft 408; circuit breaker mounting rack 5; bracket body 501; bidirectional screw rod 502; center support 503; horizontal sliding sleeve 504; centering stopper 505; distance adjusting screw rod 506; inner top pressing block 507; rack 6; limiting mechanism 7; adjusting rotating block 701; lower disc 702; compression spring 703; rotating screw rod 704; upper disc 705. DETAILED DESCRIPTION
[0032] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0034] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, specify the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0035] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly and specifically limited.
[0036] It should be understood that the structures, proportions, sizes and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not have technical significance, and any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" and the like in the present specification are only for the convenience of clear description, and are not used to limit the scope of the present application, and the change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.
[0037] The following will be described in detail in combination with the drawings attached to the present application. Figures 1-12 The present application will be further described in detail. Specific implementation method one:
[0039] As Figures 1-12The moulded case circuit breaker detection system, which is shown, comprises a driving mechanism 1, a plug-in power supply mechanism 2, a lifting linkage mechanism 3, a lifting frame mechanism 4, a circuit breaker mounting frame 5 and a rack 6; the driving mechanism 1 is fixed on the rack 6, and the driving mechanism 1 is drivingly connected with two plug-in power supply mechanisms 2; the two plug-in power supply mechanisms 2 are slidably fitted at the two ends of the rack 6; each of the two plug-in power supply mechanisms 2 is drivingly connected with a lifting linkage mechanism 3, and the two lifting linkage mechanisms 3 are oppositely arranged at the two ends of the rack 6; each of the two lifting linkage mechanisms 3 is drivingly connected with a lifting frame mechanism 4, and the two lifting frame mechanisms 4 are oppositely connected at the two ends of the rack 6; the two lifting frame mechanisms 4 are fixedly connected through the circuit breaker mounting frame 5; the circuit breaker mounting frame 5 is located between the two plug-in power supply mechanisms 2 and above the rack 6. The moulded case circuit breaker detection system can detect the continuous power-on and power-off of the moulded case circuit breaker, and the power-on and power-off do not need manual operation, which is safe and efficient. The circuit breaker mounting frame 5 in the application can clamp and fix moulded case circuit breakers of different sizes, which is convenient for detecting moulded case circuit breakers of different types. The plug-in power supply mechanism 2 in the application can be adjusted according to the moulded case circuit breaker, which is suitable for detecting moulded case circuit breakers with different numbers of input terminals and output terminals. When the application is used, the moulded case circuit breaker is installed on the inner side of the circuit breaker mounting frame 5, and then the two plug-in power supply mechanisms 2 are connected with the power supply or power supply equipment through wires. Then the driving mechanism 1 is started, and the driving mechanism 1 can drive the two plug-in power supply mechanisms 2 to move inward, and at the same time, the circuit breaker mounting frame 5 can be controlled to move downward a certain distance through the cooperation of the two lifting linkage mechanisms 3 and the two lifting frame mechanisms 4, so that the two plug-in power supply mechanisms 2 moving inward are inserted into the input terminals and output terminals of the moulded case circuit breaker on the circuit breaker mounting frame 5, thereby performing power-on detection. The driving mechanism 1 can control the two plug-in power supply mechanisms 2 to perform reciprocating plug-in power-on and power-off detection, which is convenient for testing the stability of the connection between the input terminals and output terminals of the moulded case circuit breaker or testing the mechanical life of the moulded case circuit breaker. Specific implementation method two:
[0041] As Figures 1-12As shown, the driving mechanism 1 comprises a driving motor 101, a rotating wheel 102, an eccentric connecting rod 103, a lifting slide rod 104, a guide vertical frame 105 and a push-pull connecting rod 106; the driving motor 101 is fixed on the rack 6; the output shaft of the driving motor 101 is fixedly connected with the rotating wheel 102; one end of the eccentric connecting rod 103 is rotatably connected with the eccentric position of the rotating wheel 102, and the other end of the eccentric connecting rod 103 is rotatably connected with the middle of the lifting slide rod 104; the middle of the lifting slide rod 104 is slidably matched on the guide vertical frame 105 through a rectangular slide; the two ends of the lifting slide rod 104 are respectively rotatably connected with the inner ends of one push-pull connecting rod 106, and the outer ends of the two push-pull connecting rods 106 are respectively rotatably connected with the inner ends of one plug-in power supply mechanism 2, so as to drive the two plug-in power supply mechanisms 2 to slide on the rack 6 or away from each other. The driving motor 101 can drive the rotating wheel 102 to rotate after starting, the rotating wheel 102 can drive the lifting slide rod 104 to move up and down on the guide vertical frame 105 through the eccentric connecting rod 103, the lifting slide rod 104 can drive the two plug-in power supply mechanisms 2 to move towards each other through the two push-pull connecting rods 106 when moving downward on the guide vertical frame 105, and finally the plug-in power supply mechanisms 2 are connected with the plastic shell circuit breaker; on the contrary, the lifting slide rod 104 can drive the two plug-in power supply mechanisms 2 to move away from each other through the two push-pull connecting rods 106 when moving upward on the guide vertical frame 105, so as to separate from the plastic shell circuit breaker for detection. THREE SPECIFIC IMPLEMENTATIONS
[0043] As Figures 1-12As shown, the plug-in power supply mechanism 2 comprises a linkage block 201, a horizontal rack 202, a movable seat assembly 203 and a conductive block assembly 204; the outer end of the push-pull connecting rod 106 is rotationally connected to the inner end of the linkage block 201; the movable seat assembly 203 and the linkage block 201 are respectively fixed to the upper and lower ends of the inner side of the horizontal rack 202; the middle part of the horizontal rack 202 is slidingly fitted in the inner and outer slides on the side of the rack 6; the movable seat assembly 203 is installed with the conductive block assembly 204; the teeth on the bottom surface of the horizontal rack 202 are in meshing transmission connection with the lifting frame mechanism 4. The linkage block 201 can be moved under the drive of the push-pull connecting rod 106, and when the linkage block 201 moves, it can drive the horizontal rack 202 to slide horizontally in the inner and outer slides on the side of the rack 6, and when the horizontal rack 202 slides inward, it can drive the conductive block assembly 204 on the movable seat assembly 203 to move inward, and when the horizontal rack 202 slides inward, it can drive the lifting frame mechanism 4 to move downward through the lifting linkage mechanism 3, so as to control the circuit breaker mounting rack 5 and the molded case circuit breaker mounted on the circuit breaker mounting rack 5 to move downward by a certain distance, facilitating the plug-in test through the conductive block assembly 204; on the contrary, when the horizontal rack 202 moves outward, it can drive the conductive block assembly 204 to disengage from the molded case circuit breaker, and through the lifting linkage mechanism 3 and the lifting frame mechanism 4, the molded case circuit breaker on the circuit breaker mounting rack 5 is controlled to restore to the original position upward, facilitating the replacement of other molded case circuit breakers to be detected in cooperation with other equipment, or the multiple power-on and power-off test processing of the molded case circuit breaker, which is beneficial to detect the reliability of the molded case circuit breaker. DETAILED DESCRIPTION
[0045] As Figures 1-12As shown, the movable seat assembly 203 comprises a fixed frame 203A, a movable frame 203B, two horizontal shafts 203C, a buffer compression spring 203D, a horizontal plate 203E, a horizontal screw rod 203F and a vertical screw rod 203G; the fixed frame 203A is fixed on the horizontal rack 202; the outer side of the fixed frame 203A is fixedly connected with the inner ends of the two horizontal shafts 203C, the middle parts of the two horizontal shafts 203C are slidingly fitted in the two ends of the movable frame 203B, and the outer ends of the two horizontal shafts 203C are fixedly connected with the horizontal plate 203E; the buffer compression spring 203D is sleeved on the horizontal shaft 203C and located between the fixed frame 203A and the movable frame 203B; the middle part of the horizontal screw rod 203F is threadedly fitted on the horizontal plate 203E, and the inner end of the horizontal screw rod 203F is pressed against the outer end of the movable frame 203B; the movable frame 203B is provided with a longitudinal slide, and the upper and lower ends of the vertical screw rod 203G are rotationally fitted in the upper and lower ends of the longitudinal slide; the vertical screw rod 203G is threadedly connected with the conductive block assembly 204 to drive the conductive block assembly 204 to slide up and down in the longitudinal slide of the movable frame 203B. The fixed frame 203A inside the movable seat assembly 203 can move horizontally under the driving of the horizontal rack 202, and the fixed frame 203A can drive the movable frame 203B to move horizontally through the cooperation of the horizontal shaft 203C, the horizontal plate 203E and the horizontal screw rod 203F, the movable frame 203B drives the conductive block assembly 204 to move horizontally through the cooperation with the vertical screw rod 203G, and the power-on or power-off of the molded case circuit breaker is completed, so that the molded case circuit breaker is tested; the buffer compression spring 203D arranged between the movable frame 203B and the fixed frame 203A can appropriately limit the position of the movable frame 203B, the maximum distance between the movable frame 203B and the fixed frame 203A can be limited to limit the position of the conductive block assembly 204, the position of the movable frame 203B pressed by the horizontal screw rod 203F can be changed, and the buffer compression spring 203D is compressed when the movable frame 203B is pressed by the horizontal screw rod 203F, so that the buffer compression spring 203D plays a role of tension limiting.
[0046] The movable seat assembly 203 further comprises an auxiliary supporting wheel 203H; one auxiliary supporting wheel 203H is rotationally connected to each end of the movable frame 203B, and the auxiliary supporting wheels 203H are rolling fitted on the top surface of the rack 6. Specific implementation five
[0048] As Figures 1-12As shown, the conductive block assembly 204 includes a center frame 204A, a control screw 204B, a center block 204C, an inclined push rod 204D, a limiting sliding block 204E, an inner mounting seat 204F, an inner conductive block 204G, a guide cross rod 204H, an outer mounting seat 204I, an outer conductive block 204J and a fastening bolt 204K; the outer end of the center frame 204A is slidingly fitted in the longitudinal slide of the movable frame 203B; one end of the control screw 204B is rotationally connected to the middle of the center frame 204A, and the middle part of the control screw is threadedly connected to the center block 204C; the two ends of the center block 204C are respectively rotationally connected to one end of one of the two inclined push rods 204D, and the other ends of the two inclined push rods 204D are respectively rotationally connected to one of the two limiting sliding blocks 204E; the two limiting sliding blocks 204E are slidingly fitted in the two inner and outer sliding grooves of the center frame 204A, and the inner ends of the two inner mounting seats 204F are respectively fixedly connected to the two limiting sliding blocks 204E; the two inner mounting seats 204F are slidingly fitted in the center frame 204A, and the inner ends of the two inner mounting seats 204F are respectively fixedly connected to one of the two inner conductive blocks 204G; the outer sides of the two inner mounting seats 204F are respectively fixedly connected to one of the two guide cross rods 204H; the two outer mounting seats 204I are respectively slidingly connected to the two guide cross rods 204H, and the outer mounting seat 204I is threadedly fitted with the fastening bolt 204K, and the fastening bolt 204K is pressed on the guide cross rod 204H; the inner ends of the two outer mounting seats 204I are respectively fixedly connected to one of the two outer conductive blocks 204J.
[0049] The inner conductive block 204G and the outer conductive block 204J inside the conductive block assembly 204 are connected to a power supply or other equipment through wires; the use of the inner conductive block 204G and the outer conductive block 204J can enhance the stability of the power connection; the distance between the inner conductive block 204G and the outer conductive block 204J can be adjusted to facilitate the application to input terminals or output terminals with different distances; first, adjust the distance between the two inner conductive blocks 204G, rotate the control screw 204B to drive the center block 204C to move up and down, and the center block 204C drives the distance between the two inner mounting seats 204F to adjust through the cooperation of the two inclined push rods 204D and the two limiting sliding blocks 204E, thereby adjusting the position of the two inner conductive blocks 204G on the two inner mounting seats 204F, then adjust the position of the outer conductive block 204J adjacent to the inner conductive block 204G, rotate the fastening bolt 204K to release the pressing fixation of the guide cross rod 204H, control the outer mounting seat 204I to slide on the guide cross rod 204H, thereby adjusting the position of the outer conductive block 204J, changing the positions of the adjacent outer conductive block 204J and the inner conductive block 204G, and the number of outer mounting seats 204I, outer conductive blocks 204J and fastening bolts 204K can be increased according to the number of input terminals or output terminals, to facilitate the use of different molded case circuit breakers. Sixth embodiment
[0051] As shown in Figures 1-12 The lifting linkage mechanism 3 includes linkage gear 301, rotating shaft 302, bearing shaft bracket 303 and transmission gear 304; the bottom surface of the horizontal rack 202 is in meshing transmission connection with the upper end of the linkage gear 301; the linkage gear 301 is fixed in the middle of the rotating shaft 302; the rotating shaft 302 is rotationally connected to the bearing shaft bracket 303, which is fixed on the rack 6; the outer end of the rotating shaft 302 is fixedly connected with two transmission gears 304, and the inner sides of the two transmission gears 304 are in meshing transmission connection with the lifting frame mechanism 4.
[0052] The lifting frame mechanism 4 includes vertical rack 401, push-pull frame 402, push-pull slide plate 403, longitudinal screw rod 404, adjusting nut 405, tension spring 406, lifting cross frame 407 and sliding vertical shaft 408; the inner sides of the two transmission gears 304 are respectively in meshing transmission connection with one vertical rack 401, and the two vertical racks 401 are fixed on the lower end of the push-pull frame 402; the upper end of the push-pull frame 402 is fixedly connected with two push-pull slide plates 403, which are slidingly fitted on two longitudinal screw rods 404, and the two longitudinal screw rods 404 are fixed on the lifting cross frame 407; the longitudinal screw rod 404 is threadedly connected with the adjusting nut 405, which is clamped on the top surface of the push-pull slide plate 403; the lower end of the lifting cross frame 407 is fixedly connected with two sliding vertical shafts 408, and the middle part of the sliding vertical shaft 408 is slidingly fitted on the rack 6; the inner end of the lifting cross frame 407 is fixedly connected with the circuit breaker mounting frame 5.
[0053] The horizontal rack 202 can drive the linkage gear 301 to rotate when sliding, the linkage gear 301 can drive the two transmission gears 304 to rotate through the rotating shaft 302 when rotating, the two transmission gears 304 can drive the two vertical racks 401 inside the lifting frame mechanism 4 to move up and down when rotating, the two vertical racks 401 drive the two push-pull sliding plates 403 to move up and down through the push-pull frame 402, the push-pull sliding plates 403 drive the lifting cross frame 407 to move up and down through the vertical screw rod 404, the lifting cross frame 407 drives the circuit breaker mounting rack 5 to move up and down, the lifting cross frame 407 drives the sliding vertical shaft 408 to slide up and down when moving up and down, the middle part of the sliding vertical shaft 408 is slidingly fitted on the rack 6 to play a guiding and limiting role; when the lifting cross frame 407 drives the circuit breaker mounting rack 5 to move downward to a certain distance, the circuit breaker mounting rack 5 cannot continue to move downward, the push-pull sliding plate 403 compresses the tension spring 406, at this time the two conductive block assemblies 204 can be inserted into the input terminal or output terminal of the plastic shell circuit breaker during the movement; on the contrary, it is also convenient for the two conductive block assemblies 204 to be separated from the input terminal or output terminal of the plastic shell circuit breaker, and then the circuit breaker mounting rack 5 drives the plastic shell circuit breaker to rise. DETAILED DESCRIPTION
[0055] As Figures 1-12As shown, the circuit breaker mounting frame 5 comprises a bracket body 501, a bidirectional screw rod 502, a central support 503, horizontal sliding sleeves 504, centering stop rods 505, distance adjusting screw rods 506 and inner top pressing blocks 507; both ends of the bracket body 501 are fixedly connected with the lifting crosspieces 407 of the two lifting frame mechanisms 4; the middle part of the bidirectional screw rod 502 is rotationally fitted on the central support 503, which is fixed in the middle of the bracket body 501; both ends of the bidirectional screw rod 502 are threadedly connected with two horizontal sliding sleeves 504 that are slidingly fitted on the bracket body 501, and the inner ends of the two horizontal sliding sleeves 504 are respectively fixed with a centering stop rod 505; the middle parts of two distance adjusting screw rods 506 are respectively threadedly connected with the two ends of the bracket body 501, and the inner ends of the two distance adjusting screw rods 506 are respectively rotationally connected with an inner top pressing block 507 that is slidingly fitted on the bracket body 501; the axis of the distance adjusting screw rod 506 is perpendicular to the axis of the bidirectional screw rod 502; the axis of the bidirectional screw rod 502 is perpendicular to the axis of the output shaft of the driving motor 101. The bracket body 501 inside the circuit breaker mounting frame 5 is used for supporting the molded case circuit breaker; during use, the bidirectional screw rod 502 can be rotated to drive the two horizontal sliding sleeves 504 to slide relative to or away from each other, the two horizontal sliding sleeves 504 drive the two centering stop rods 505 to slide relative to or away from each other, so that the position of the molded case circuit breaker is adjusted by the two centering stop rods 505, so that the molded case circuit breaker is in the middle of the bracket body 501, and the two conductive block assemblies 204 on both sides can be stably inserted into the input or output terminals of the molded case circuit breaker after moving the same distance; then the position of the molded case circuit breaker is adjusted according to the position of the input or output terminals of the molded case circuit breaker, so that the input or output terminals of the molded case circuit breaker correspond to the two conductive block assemblies 204, and during adjustment, the distance adjusting screw rod 506 is rotated to drive the inner top pressing block 507 to slide on the bracket body 501, thereby completing the limiting of one side of the molded case circuit breaker.
[0056] The plastic shell circuit breaker detection system also includes a limiting mechanism 7; the limiting mechanism 7 includes an adjusting rotating block 701, a lower disc 702, a compression spring 703, a rotating screw rod 704 and an upper disc 705; the adjusting rotating block 701 is fixed at the lower end of the rotating screw rod 704; the middle part of the rotating screw rod 704 is threadedly matched on the rack 6, the upper end of the rotating screw rod 704 is fixedly connected with the upper disc 705, and the upper disc 705 is located directly below the bracket body 501; the rotating screw rod 704 is fixedly connected with the lower disc 702, and the lower disc 702 is located between the adjusting rotating block 701 and the rack 6; the rotating screw rod 704 is sleeved with the compression spring 703, and the compression spring 703 is located between the lower disc 702 and the rack 6. The limiting mechanism 7 is used for limiting the lowest position of the bracket body 501, facilitating the control of the movement of the plastic shell circuit breaker to the position corresponding to the inner conductive block 204G and the outer conductive block 204J of the two conductive block assemblies 204; the upper disc 705 inside the limiting mechanism 7 is used for limiting the lowest position of the bracket body 501, and the position of the upper disc 705 can be adjusted by rotating the adjusting rotating block 701; rotating the adjusting rotating block 701 changes the contact position of the rotating screw rod 704 and the rack 6, thereby driving the height of the upper disc 705 to be adjusted; when the rotating screw rod 704 moves up and down, the lower disc 702 can compress the compression spring 703, and the compression spring 703 plays a role in tensioning and stabilizing, improving the stability of the upper disc 705 after movement.
[0057] Principle: the plastic shell circuit breaker detection system can detect the continuous power-on and power-off of the plastic shell circuit breaker multiple times, and the power-on and power-off do not need manual operation, are safe and have high efficiency; the circuit breaker mounting rack 5 inside the plastic shell circuit breaker detection system can clamp and fix plastic shell circuit breakers of different sizes, facilitating the detection of plastic shell circuit breakers of different models; the plug-in power supply mechanism 2 inside the plastic shell circuit breaker detection system can be adjusted according to the plastic shell circuit breaker, so as to be suitable for the detection of plastic shell circuit breakers with different numbers of input terminals and output terminals; when the plastic shell circuit breaker detection system is used, the plastic shell circuit breaker is installed on the inner side of the circuit breaker mounting rack 5, and then the two plug-in power supply mechanisms 2 are connected to the power supply or power supply equipment through wires; then the driving mechanism 1 is started, and the driving mechanism 1 can drive the two plug-in power supply mechanisms 2 to move inward after being started, and the two plug-in power supply mechanisms 2 can control the circuit breaker mounting rack 5 to move downward a certain distance through the cooperation of the two lifting linkage mechanisms 3 and the two lifting frame mechanisms 4 while moving inward, so that the two plug-in power supply mechanisms 2 moving inward are inserted into the input terminals and output terminals of the plastic shell circuit breaker on the circuit breaker mounting rack 5, so as to perform power-on detection; the driving mechanism 1 can control the two plug-in power supply mechanisms 2 to perform reciprocating plug-in and plug-out power-on and power-off detection, facilitating the test of the stability of the connection between the input terminals and the output terminals of the plastic shell circuit breaker or the test of the mechanical life of the plastic shell circuit breaker.
[0058] The various embodiments described in the specification are presented for purposes of illustration and description. Each of the embodiments highlight a different aspect of the application. The embodiments are not mutually exclusive, and can be combined in various manners. The embodiments are not exhaustive of the possible embodiments of the application. Persons skilled in the art will recognize that numerous modifications and adaptations of the embodiments described are possible and within the scope of the application, as defined in the appended claims.
[0059] It should also be noted that the terms "first", "second", and the like, do not denote any order, quantity, combination, or importance, but rather are used to identify one element from another. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
Claims
1. A molded case circuit breaker detection system, characterized by: The utility model provides an automatic circuit breaker installation and removal device, including drive mechanism (1), plug in power supply mechanism (2), lift linkage mechanism (3), lift frame mechanism (4), circuit breaker mounting bracket (5) and rack (6), drive mechanism (1) is fixed on rack (6), drive mechanism (1) transmission connection two plug in power supply mechanism (2), two plug in power supply mechanism (2) relative sliding fit in the both ends of rack (6), two plug in power supply mechanism (2) transmission connection lift linkage mechanism (3) respectively, two lift linkage mechanism (3) relative setting in the both ends of rack (6), two lift linkage mechanism (3) transmission connection lift frame mechanism (4) respectively, two lift frame mechanism (4) relative connection in the both ends of rack (6), two lift frame mechanism (4) between through circuit breaker mounting bracket (5) fixed connection, circuit breaker mounting bracket (5) is located in two plug in power supply mechanism (2) the middle, and is located the top of rack (6), Plug in power supply mechanism (2) includes linkage block (201), horizontal rack (202), movable seat subassembly (203) and conducting block subassembly (204), Movable seat subassembly (203) and linkage block (201) are fixed respectively in the upper and lower ends of the inboard of horizontal rack (202), the middle part sliding fit of horizontal rack (202) is in the inside and outside slide way of rack (6) side, conducting block subassembly (204) is installed on movable seat subassembly (203), the teeth of horizontal rack (202) bottom surface mesh transmission connection lift frame mechanism (4).
2. The molded case circuit breaker detection system of claim 1, wherein: Drive mechanism (1) includes drive motor (101), rotating wheel (102), eccentric connecting rod (103), lift slide bar (104), guide vertical frame (105) and push -and -pull connecting rod (106), drive motor (101) is fixed on rack (6), the output shaft of drive motor (101) is fixedly connected rotating wheel (102), the eccentric position rotating connection one end of eccentric connecting rod (103) of rotating wheel (102), the other end of eccentric connecting rod (103) is rotatably connected in the middle of lift slide bar (104), the middle of lift slide bar (104) is slidably fitted on guide vertical frame (105) through rectangular slide, the inner end of lift slide bar (104) is rotatably connected one push -and -pull connecting rod (106) respectively, the outer end of two push -and -pull connecting rod (106) is rotatably connected in the inner end of one plug in power supply mechanism (2) respectively, to drive two plug in power supply mechanism (2) relative sliding or away from sliding on rack (6).
3. The molded case circuit breaker detection system of claim 2, wherein: The outer end of push -and -pull connecting rod (106) is rotatably connected in the inner end of linkage block (201).
4. The molded case circuit breaker detection system of claim 3, wherein: The movable seat assembly (203) comprises a fixed frame (203A), a movable frame (203B), horizontal shafts (203C), buffer compression springs (203D), a horizontal plate (203E), a horizontal screw rod (203F) and a vertical screw rod (203G); the fixed frame (203A) is fixed on the horizontal rack (202); the outer side of the fixed frame (203A) is fixedly connected with the inner ends of two horizontal shafts (203C), the middle parts of the two horizontal shafts (203C) are slidingly fitted on the two ends of the movable frame (203B), and the outer ends of the two horizontal shafts (203C) are fixedly connected with the horizontal plate (203E); the buffer compression springs (203D) are sleeved on the horizontal shafts (203C) and located between the fixed frame (203A) and the movable frame (203B); the middle part of the horizontal screw rod (203F) is screwedly fitted on the horizontal plate (203E), and the inner end of the horizontal screw rod (203F) is pressed against the outer end of the movable frame (203B); the movable frame (203B) is provided with a longitudinal sliding channel, and the upper and lower ends of the vertical screw rod (203G) are rotationally fitted on the upper and lower ends of the longitudinal sliding channel; the vertical screw rod (203G) is in threaded transmission connection with the conductive block assembly (204) to drive the conductive block assembly (204) to slide up and down in the longitudinal sliding channel of the movable frame (203B).
5. A molded case circuit breaker detection system according to claim 4, characterized in that: The movable seat assembly (203) further comprises auxiliary support wheels (203H); one auxiliary support wheel (203H) is rotationally connected to each end of the movable frame (203B), and the auxiliary support wheels (203H) are rollingly fitted on the top surface of the rack (6).
6. The molded case circuit breaker detection system of claim 5, wherein: The conductive block assembly (204) comprises a center frame (204A), a control screw (204B), a center block (204C), an inclined push rod (204D), a limit sliding block (204E), an inner mounting seat (204F), an inner conductive block (204G), a guide cross bar (204H), an outer mounting seat (204I), an outer conductive block (204J) and a fastening bolt (204K); the outer end of the center frame (204A) is slidingly fitted in the longitudinal slide of the movable frame (203B); one end of the control screw (204B) is rotatably connected to the middle of the center frame (204A), and the middle part of the control screw is threadedly connected to the center block (204C); the two ends of the center block (204C) are rotatably connected to the ends of the two inclined push rods (204D), respectively; the other ends of the two inclined push rods (204D) are rotatably connected to the two limit sliding blocks (204E), respectively; the two limit sliding blocks (204E) are slidingly fitted in the two inner and outer sliding grooves of the center frame (204A), respectively; the inner ends of the two inner mounting seats (204F) are fixedly connected to the two limit sliding blocks (204E), respectively; the two inner mounting seats (204F) are slidingly fitted in the center frame (204A), respectively; the inner ends of the two inner mounting seats (204F) are fixedly connected to the two inner conductive blocks (204G), respectively; the outer sides of the two inner mounting seats (204F) are fixedly connected to the two guide cross bars (204H), respectively; the two outer mounting seats (204I) are slidingly connected to the two guide cross bars (204H), respectively; the outer mounting seat (204I) is threadedly connected to the fastening bolt (204K); the fastening bolt (204K) is pressed on the guide cross bar (204H); the inner ends of the two outer mounting seats (204I) are fixedly connected to the two outer conductive blocks (204J), respectively.
7. The molded case circuit breaker detection system of claim 6, wherein: The lifting linkage mechanism (3) comprises a linkage gear (301), a rotating shaft (302), a bearing frame (303) and a transmission gear (304); the bottom surface of the horizontal rack (202) is in gear transmission connection with the upper end of the linkage gear (301); the linkage gear (301) is fixed in the middle of the rotating shaft (302); the rotating shaft (302) is rotatably connected to the bearing frame (303), and the bearing frame (303) is fixed on the rack (6); the outer end of the rotating shaft (302) is fixedly connected to two transmission gears (304), and the inner sides of the two transmission gears (304) are in gear transmission connection with the lifting frame mechanism (4).
8. The molded case circuit breaker detection system of claim 7, wherein: The lifting frame mechanism (4) comprises vertical racks (401), push-pull frames (402), push-pull sliding plates (403), longitudinal screws (404), adjusting nuts (405), tension springs (406), lifting cross frames (407) and sliding vertical shafts (408); the inner sides of the two transmission gears (304) are respectively engaged with transmission connection of a vertical rack (401), and the two vertical racks (401) are fixed at the lower ends of the push-pull frames (402); the upper ends of the push-pull frames (402) are fixedly connected with two push-pull sliding plates (403), the two push-pull sliding plates (403) are slidingly fitted on two longitudinal screws (404), the two longitudinal screws (404) are fixed on the lifting cross frame (407), the tension spring (406) is sleeved on the longitudinal screw (404), and the tension spring (406) is located between the lifting cross frame (407) and the push-pull sliding plate (403); the longitudinal screw (404) is threadedly connected with the adjusting nut (405), and the adjusting nut (405) is clamped on the top surface of the push-pull sliding plate (403); the lower end of the lifting cross frame (407) is fixedly connected with two sliding vertical shafts (408), the middle part of the sliding vertical shaft (408) is slidingly fitted on the rack (6); and the inner end of the lifting cross frame (407) is fixedly connected with the circuit breaker mounting rack (5).
9. The molded case circuit breaker detection system of claim 8, wherein: The circuit breaker mounting rack (5) comprises a bracket body (501), a bidirectional screw (502), a center support (503), a horizontal sliding sleeve (504), a centering stop rod (505), a distance adjusting screw (506) and an inner top pressing block (507); the two ends of the bracket body (501) are fixedly connected with the lifting cross frames (407) of the two lifting frame mechanisms (4); the middle part of the bidirectional screw (502) is rotatably fitted on the center support (503), and the center support (503) is fixed in the middle of the bracket body (501); the two ends of the bidirectional screw (502) are threadedly connected with two horizontal sliding sleeves (504) which are slidingly fitted on the bracket body (501), and the inner ends of the two horizontal sliding sleeves (504) are respectively fixed with a centering stop rod (505); the two ends of the bracket body (501) are respectively threadedly connected with the middle parts of two distance adjusting screws (506), the inner ends of the two distance adjusting screws (506) are respectively rotatably connected with an inner top pressing block (507) which is slidingly fitted on the bracket body (501); the axis of the distance adjusting screw (506) and the axis of the bidirectional screw (502) are vertically arranged; and the axis of the bidirectional screw (502) and the axis of the output shaft of the driving motor (101) are vertically arranged.
10. The molded case circuit breaker detection system of claim 9, wherein: Also include limiting mechanism (7);The limiting mechanism (7) includes adjusting rotating block (701), lower disc (702), compression spring (703), rotating screw (704) and upper disc (705);The adjusting rotating block (701) is fixed in the lower end of rotating screw (704);The middle part of rotating screw (704) is threadedly matched on rack (6), and the upper end of rotating screw (704) is fixedly connected with upper disc (705), and upper disc (705) is located directly below bracket body (501);Rotating screw (704) is fixedly connected with lower disc (702), and lower disc (702) is located between adjusting rotating block (701) and rack (6);Compression spring (703) is sleeved on rotating screw (704), and compression spring (703) is located between lower disc (702) and rack (6).
Citation Information
Patent Citations
Full automatic plug check out test set
CN206975154U