Buffering and debugging device used on column
By designing the buffer assembly and the drive limit assembly in the column switch, the buffer assembly buffers the drive limit assembly, solving the problem of cumbersome wear and debugging of parts during the opening process, and improving service life and production efficiency.
Patent Information
- Application Number
- CN202421125148.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-22
AI Technical Summary
During the opening process of the existing column switch, the parts are worn due to the impact of the spring, which affects the performance of the operation, and the debugging process is cumbersome and the working efficiency is low.
A buffering and debugging device for columns is designed, including a buffer assembly and a drive limiting assembly. The buffer assembly is installed on the buffer bracket at the bottom end of the inner shell, and the drive limiting assembly is installed on the drive rod, which acts through the drive limiting assembly. The buffering assembly is buffered, which drives the drive rod to slow down or stop moving, reducing the impact of spring energy release on moving parts.
It effectively reduces the wear of parts, improves service life, simplifies the debugging process, improves production efficiency, and saves operation and maintenance costs.
Smart Images
Figure CN222365523U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pole-mounted switches, in particular to a pole-mounted buffer and debugging device. Background Art
[0002] A pole-mounted switch is a type of safety switch installed on an outdoor pole in an overhead distribution line to ensure the safety of electricity use. It realizes the switching, protection and control of the circuit, ensures the stability and safety of the power system operation, and is suitable for use as a place of protection, control and frequent operation in rural and urban power distribution systems.
[0003] The pole-mounted switches on the market often use a structure in which the opening spring is adjusted and flat washers of different sizes are installed at the end of the driving rod, that is, the flat washers are used as buffer devices for opening. When in use, performance parameters such as opening distance, opening speed and opening time need to be debugged. The pole-mounted switch of this structure not only needs to be equipped with flat washers of various sizes, but also the debugging process is cumbersome and the work efficiency is low. In addition, after the mechanism opens, the driving rod will directly hit the flat washers, and the moving parts associated with it will not be buffered. In the past, the moving parts are prone to wear, resulting in the problem of switch refusal to close and refusal to open, which seriously affects the performance of the pole-mounted switch. Utility Model Content
[0004] The utility model provides a buffer and debugging device for a column, which can effectively alleviate the impact of springs on moving parts of a column switch when the switch is opened, reduce the wear of parts and components, and improve the utilization rate of parts and components.
[0005] The utility model provides a buffer and debugging device for a column, which is used to buffer the movement of a driving rod during the opening process of a column switch. The column switch includes a housing, and the driving rod is arranged inside the housing. The device includes: a buffer assembly, a buffer bracket and a driving limit assembly;
[0006] The buffer bracket is arranged at the bottom end of the inner part of the housing of the column switch;
[0007] The buffer assembly is mounted on the buffer bracket;
[0008] The driving limit assembly is mounted on the driving rod;
[0009] When the pole-mounted switch performs an opening operation, the driving limit assembly acts on the buffer assembly; the buffer assembly buffers the driving limit assembly, and the driving limit assembly drives the driving rod to slow down or stop moving.
[0010] Optionally, the buffer bracket is fixedly mounted on the bottom end of the inner shell of the column switch.
[0011] Optionally, the buffer bracket is welded to the bottom end inside the housing of the column switch.
[0012] Optionally, the buffer assembly includes: an oil pressure buffer, a slot nut and a toothed spring washer; the oil pressure buffer is fixed to the buffer bracket through the slot nut and the toothed spring washer.
[0013] Optionally, the oil pressure buffer includes a buffer rod and an adjustment rod connected to the buffer rod; the outer surface of the adjustment rod is a threaded structure, and the slot nut and the toothed spring washer are sleeved on the threaded structure to fix the adjustment rod on the buffer bracket.
[0014] Optionally, a through hole is provided on the buffer bracket, and the adjustment rod of the oil pressure buffer passes through the through hole, so that two ends of the adjustment rod are respectively located on both sides of the through hole.
[0015] Optionally, the buffer bracket is a rectangular frame structure, and the through holes are arranged on one side or two opposite sides of the rectangular frame structure.
[0016] Optionally, the drive limiting assembly can be detachably mounted on the drive rod.
[0017] Optionally, the driving limit assembly comprises: connecting plates symmetrically mounted on both sides of the driving rod, and rollers axially connected to the connecting plates;
[0018] When the column switch performs an opening operation and the driving rod moves to the opening position, the roller abuts against one end of the oil pressure buffer.
[0019] Optionally, a mounting hole is provided on the driving rod;
[0020] The connecting plate is a triangular plate, two corners of which are fixed by bolts 31 passing through the mounting holes and nuts sleeved on the bolts; the remaining corner of the triangular plate is fixed by a pin passing through the center of the roller and a cotter pin.
[0021] Optionally, the oil pressure buffer buffers the roller.
[0022] Compared with the prior art, the technical solution of the embodiment of the utility model has the following beneficial effects:
[0023] The column-mounted buffer and debugging device provided by the utility model provides a buffer component, which is installed on a buffer bracket at the bottom end of the inner shell of the column switch, and a driving limit component is installed on the driving rod. When the column switch is operated to open the switch, the driving limit component acts on the buffer component, so that the buffer component buffers the driving limit component, and the driving limit component drives the driving rod to decelerate or stop moving, thereby buffering the opening movement of the driving rod, reducing the impact of the energy release of the opening spring on the moving parts, reducing the wear of the parts, increasing the service life of the parts, and saving the operation and maintenance costs of the product.
[0024] Furthermore, by using an oil pressure buffer with a threaded structure, the buffer assembly can be debugged by rotating the thread, which can not only make the size precise and improve the performance of the column switch, but also improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of assembling a column switch using the column buffer and debugging device of the utility model;
[0026] Figure 2 yes Figure 1 A cross-sectional view of the vacuum circuit breaker in the pole-mounted switch;
[0027] Figure 3 This is a structural schematic diagram of a buffer component in an embodiment of the utility model;
[0028] Figure 4 yes Figure 3 A schematic diagram of the structure of the oil pressure buffer in the buffer assembly shown;
[0029] Figure 5 This is a structural schematic diagram of a buffer bracket in an embodiment of the utility model;
[0030] Figure 6 It is a top view of the assembly structure of the buffer assembly and the buffer bracket in the embodiment of the utility model;
[0031] Figure 7 It is a side view of the assembly structure of the buffer assembly and the buffer bracket in the embodiment of the utility model;
[0032] Figure 8 It is a structural schematic diagram of a driving limiter assembly installed on a driving rod in an embodiment of the utility model;
[0033] Fig. 9 yes Figure 8 A partial enlarged right view of the middle drive limit assembly;
[0034] Fig.10 It is an assembly diagram of a driving limit assembly and a buffer assembly in an embodiment of the utility model.
[0035] Description of labels:
[0036] 1 buffer assembly, 2 buffer bracket, 3 driving rod, 4 opening spring, 5 housing, 6 operating mechanism, 7 pole assembly; 8 insulating pull rod, 9 arc extinguishing chamber, 10 moving contact;
[0037] 11 slot nut, 12 toothed spring washer, 13 oil pressure buffer, 131 buffer rod, 132 adjusting rod;
[0038] 21 through holes;
[0039] 30 driving limit assembly, 31 bolt, 3.2 connecting plate, 33 roller, 34 gasket, 35 pin, 36 cotter pin, 37 nut. DETAILED DESCRIPTION
[0040] In view of the problems existing in the existing pole-mounted switches which use an adjustable opening spring and flat washers of different sizes at the end of a driving rod, an embodiment of the utility model provides a pole-mounted buffer and debugging device, in which a buffer component is provided and a driving limit assembly is installed on the driving rod. The cooperation of the two has a buffering effect on the opening movement of the driving rod.
[0041] In order to make the above-mentioned purposes, features and beneficial effects of the embodiments of the present utility model more obvious and easy to understand, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
[0042] The column-mounted buffer and debugging device provided in the embodiment of the utility model is used to buffer the movement of the driving rod during the opening process of the column-mounted switch.
[0043] like Figure 1 The figure shows an assembly diagram of a column switch using the column buffer and debugging device of the utility model.
[0044] The column switch comprises a housing 5 and a driving rod 3 arranged inside the housing 5 .
[0045] The column-mounted buffer and debugging device of the utility model comprises: a buffer assembly 1, a buffer bracket 2, and a driving limit assembly 30 installed on a driving rod 3. Among them:
[0046] The buffer bracket 2 is arranged at the bottom end inside the housing 5 of the column switch, and the buffer assembly 1 is installed on the buffer bracket 2 .
[0047] When the pole switch is opened, the driving limit assembly 31 acts on the buffer assembly 1. Accordingly, the buffer assembly 1 buffers the driving limit assembly 31, so that the driving limit assembly 31 drives the driving rod 3 to decelerate or stop moving.
[0048] The pole mounted switch uses a vacuum circuit breaker to achieve opening and closing operations. Figure 2 yes Figure 1 A cross-sectional view of the pole-mounted switch pole.
[0049] Combine the following Figure 1 and Figure 2 Briefly describe the opening and closing process of the pole-mounted switch.
[0050] When the opening operation is performed, the operating mechanism 6 on the switch is tripped, and the opening spring 4 is released, driving the driving rod 3 to move toward the bottom of the housing 5. When the driving rod 3 moves, the insulating rod 8 of the pole assembly 7 is linked with the movement of the driving rod 3, and the insulating rod 8 pulls the moving contact 10 of the vacuum circuit breaker arc extinguishing chamber 9 upward to open the pole switch.
[0051] When the pole switch is in the open state without energy storage, the operating mechanism 6 is charged with energy, and the switch is closed after the energy storage is completed. The driving rod 3 moves, and the insulating pull rod 8 of the vacuum circuit breaker is linked with the movement of the driving rod 3. The insulating pull rod 8 moves downward to make the moving contact 10 of the arc extinguishing chamber 9 of the vacuum circuit breaker move downward, so that the pole switch is closed.
[0052] like Figure 3 The figure is a schematic diagram of the structure of the buffer component in the embodiment of the utility model.
[0053] The buffer assembly comprises: an oil pressure buffer 13 , a slot nut 11 and a toothed spring washer 12 .
[0054] Figure 4 The schematic diagram of the structure of the oil pressure buffer 13 is shown. Figure 3 and Figure 4 The oil pressure buffer 13 includes a buffer rod 131 and an adjustment rod 132 connected to the buffer rod 131. The outer surface of the adjustment rod 132 is a threaded structure, and the slot nut 11 and the toothed spring washer 12 are sleeved on the threaded structure to fix the adjustment rod 132 on the buffer bracket.
[0055] Reference Figure 1 In the column-mounted buffer and debugging device of the utility model, the buffer bracket 2 is fixedly installed at the bottom end of the housing 5 of the column switch, for example, by rivets or welding.
[0056] A non-limiting structure of the buffer bracket in the embodiment of the utility model is as follows Figure 5 shown.
[0057] In this example, the buffer bracket 2 is a rectangular frame structure, and through holes 21 are provided on one side or two opposite sides of the rectangular frame structure.
[0058] It should be noted that, in specific implementation, the buffer bracket 2 may also adopt other structures, which is not limited in the embodiment of the utility model.
[0059] Reference Figure 6 and Figure 7 , Figure 6 A top view of the assembly structure of the buffer assembly and the buffer bracket in the embodiment of the utility model, Figure 7 It is its side view.
[0060] During installation, first, the toothed spring washer 12 and a slot nut 11 are sequentially sleeved onto the oil pressure buffer adjustment rod 132, then the adjustment rod 132 is passed through the through hole 21 on one side of the buffer bracket 2, and then another slot nut 11 is sleeved onto the adjustment rod 132, and the adjustment rod 132 is fastened to the side plate of the buffer bracket. In other words, the two ends of the oil pressure buffer's adjustment rod 132 are respectively located on both sides of the through hole 21, and are fixed to the buffer bracket 2 by the slot nuts on both sides.
[0061] Through holes are respectively arranged on the two side plates of the rectangular frame structure of the buffer bracket 2, which can facilitate the welding of the buffer bracket, that is, there is no need to distinguish the direction, which can effectively improve the manufacturing efficiency.
[0062] In one non-limiting embodiment, Figure 1 The driving limit assembly 30 is detachably mounted on the driving rod 3. Figure 8 As shown, a specific structure of the driving limit assembly 30 may include: connecting plates 32 symmetrically mounted on both sides of the driving rod 3, and rollers 33 axially connected to the connecting plates 32. For example, a mounting hole is provided on the driving rod, and two connecting plates 32 are fixed to both sides of the mounting hole by a pin shaft and a bolt fastening kit.
[0063] Correspondingly, when the column switch performs an opening operation and the driving rod 3 moves to the opening position, the roller 33 abuts against one end of the buffer rod of the oil pressure buffer.
[0064] Continue to refer to Figure 8 and Fig. 9 , Fig. 9 yes Figure 8 A partial enlarged right view of the middle drive limit assembly.
[0065] In a non-limiting embodiment, the connecting plate 32 can be designed as a triangular plate, two corners of which are fixed by bolts 31 passing through the mounting holes and nuts 37 sleeved on the bolts 31; the remaining corner of the triangular plate is fixed by a pin shaft 35 passing through the center of the roller 33, a gasket 34 and a cotter pin 36.
[0066] Fig.10The assembly structure of the driving limit assembly and the buffer assembly in the embodiment of the utility model is shown.
[0067] When the column switch is opened, one end of the buffer rod 131 of the oil pressure buffer buffers the roller 33 .
[0068] Combine the following Fig.10 and Figure 1 and Figure 2 , the opening and closing processes of the pole-mounted switch with the pole-mounted buffer and debugging device of the utility model are described in detail.
[0069] When the initial state of the pole switch is in the open state without energy storage, the operating mechanism 6 is charged with energy, and the switch is closed after the energy storage is completed. The driving rod 3 moves, and the roller 33 of the driving limit assembly on the driving rod 3 is separated from the buffer rod 131 of the buffer assembly. At the same time, the insulating pull rod 8 of the vacuum circuit breaker 7 is linked with the movement of the driving rod 3, and the insulating pull rod 8 moves downward to move the moving contact 10 of the arc extinguishing chamber 9 of the vacuum circuit breaker downward, so that the vacuum circuit breaker 7 is closed. At this time, the switch is opened, the driving rod 3 moves, and the roller 33 of the driving limit assembly on the driving rod 3 contacts the buffer rod 131 of the buffer assembly. At the same time, the insulating pull rod 8 of the vacuum circuit breaker 7 is linked with the movement of the driving rod 3, and the insulating pull rod 8 pulls the moving contact 10 of the arc extinguishing chamber of the vacuum circuit breaker upward, so that the vacuum circuit breaker 7 is opened.
[0070] By using the column-mounted buffer and debugging device provided by the utility model, when the operating mechanism opens the gate, the driving rod drives the roller to act on the oil pressure buffer rod, thereby reducing the impact force brought by the spring. When the opening distance is small, the loose toothed spring pad is adjusted to the left end to adjust the oil pressure buffer so that the movement stroke of the roller becomes larger. Under the linkage action of the driving rod, the distance between the moving end of the vacuum circuit breaker and the static end is increased, thereby increasing the opening distance. When the opening distance is large, the opposite is true.
[0071] The column-mounted buffer and debugging device provided by the utility model provides a buffer component, which is installed on a buffer bracket at the bottom end of the inner shell of the column switch, and a driving limit component is installed on the driving rod. When the column switch is operated to open the switch, the driving limit component acts on the buffer component, so that the buffer component buffers the driving limit component, and the driving limit component drives the driving rod to decelerate or stop moving, thereby buffering the opening movement of the driving rod, reducing the impact of the energy release of the opening spring on the moving parts, reducing the wear of the parts, increasing the service life of the parts, and saving the operation and maintenance costs of the product.
[0072] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when only a single embodiment is described with respect to specific features. The feature examples provided in the present disclosure are intended to be illustrative rather than limiting, unless otherwise stated. In specific implementations, the technical features of one or more dependent claims may be combined with the technical features of the independent claim, based on actual needs and where technically feasible, and the technical features from the corresponding independent claims may be combined in any appropriate manner rather than just by the specific combinations listed in the claims.
[0073] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.
Claims
1. A buffer and debugging device for a column, used for buffering the movement of a driving rod during the opening process of a column switch, wherein the column switch comprises a housing, and the driving rod is arranged inside the housing; characterized in that: The device comprises: a buffer component, a buffer bracket and a drive limit component; The buffer bracket is arranged at the bottom end of the inner part of the housing of the column switch; The buffer assembly is mounted on the buffer bracket; The driving limit assembly is mounted on the driving rod; When the pole-mounted switch performs an opening operation, the driving limit assembly acts on the buffer assembly; the buffer assembly buffers the driving limit assembly, and the driving limit assembly drives the driving rod to slow down or stop moving.
2. The column-mounted buffer and debugging device according to claim 1, characterized in that: The buffer bracket is fixedly mounted on the bottom end of the inner part of the housing of the column switch.
3. The column-mounted buffer and debugging device according to claim 2, characterized in that: The buffer bracket is welded to the bottom end inside the housing of the column switch.
4. The column-mounted buffer and debugging device according to claim 1, characterized in that: The buffer assembly comprises: an oil pressure buffer, a slot nut and a toothed spring washer; the oil pressure buffer is fixed on the buffer bracket through the slot nut and the toothed spring washer.
5. The column-mounted buffer and debugging device according to claim 4, characterized in that: The oil pressure buffer includes a buffer rod and an adjusting rod connected to the buffer rod; the outer surface of the adjusting rod is a threaded structure, and the slot nut and the toothed spring washer are sleeved on the threaded structure to fix the adjusting rod on the buffer bracket.
6. The column-mounted buffer and debugging device according to claim 5, characterized in that: The buffer bracket is provided with a through hole, and the adjusting rod of the oil pressure buffer passes through the through hole, so that the two ends of the adjusting rod are respectively located on both sides of the through hole.
7. The column-mounted buffer and debugging device according to claim 6, characterized in that: The buffer bracket is a rectangular frame structure, and the through holes are arranged on one side or two opposite sides of the rectangular frame structure.
8. The column-mounted buffer and debugging device according to claim 5, characterized in that: The driving limiting assembly is detachably mounted on the driving rod.
9. The column-mounted buffer and debugging device according to claim 8, characterized in that: The driving limit assembly comprises: connecting plates symmetrically mounted on both sides of the driving rod, and rollers axially connected to the connecting plates; When the column switch performs an opening operation and the driving rod moves to the opening position, the roller abuts against one end of the oil pressure buffer.
10. The column-mounted buffer and debugging device according to claim 9, characterized in that: The driving rod is provided with a mounting hole; The connecting plate is a triangular plate, two corners of which are fixed by bolts passing through the mounting holes and nuts sleeved on the bolts; the remaining corner of the triangular plate is fixed by a pin shaft passing through the center of the roller and a cotter pin.
11. The column-mounted buffer and debugging device according to claim 10, characterized in that: The oil pressure buffer buffers the roller.