CN218782962U - High-voltage equipment grounding switch - Google Patents
High-voltage equipment grounding switch Download PDFInfo
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- CN218782962U CN218782962U CN202223140759.9U CN202223140759U CN218782962U CN 218782962 U CN218782962 U CN 218782962U CN 202223140759 U CN202223140759 U CN 202223140759U CN 218782962 U CN218782962 U CN 218782962U
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- rod
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Abstract
The utility model provides a high-voltage equipment grounding switch, which comprises a bottom plate; one end of the upper end surface of the bottom plate is fixedly connected with a heightening table, the upper end surface of the heightening table is provided with static contact assemblies at equal intervals, the upper end surface of the bottom plate is provided with a switch blade assembly, one side of the upper end surface of the bottom plate, which is positioned on the switch blade assembly, is provided with a limiting assembly, and one side of the bottom plate is provided with a driving assembly; the knife switch assembly comprises a rectangular block, the upper end face of the bottom plate is fixedly connected with the rectangular block, the upper end face of the rectangular block is rotatably connected with a first insulating block through a lug matching pin shaft, the middle part of one side of the first insulating block is fixedly connected with a damping rod, one end of the damping rod is fixedly connected with a second insulating block, and the middle part of one end of the second insulating block is fixedly connected with a knife switch. The utility model discloses a mutually supporting of plug-in strip subassembly, spacing subassembly and drive assembly has realized carrying out the accurate with the plug-in strip inside closing a floodgate and switching off with U type contact, can also effectual protection worm gear simultaneously.
Description
Technical Field
The utility model relates to a high-voltage grounding switch technical field, concretely relates to high-tension apparatus grounding switch.
Background
When the existing high-voltage grounding switch is used, when the grounding switch is switched on through an operating mechanism, a main shaft overcomes a resistance moment as a moment to drive a crank arm to rotate along a switching-on direction, an operating rod on a grounding knife passes through a pressure spring dead point, the pressure spring releases energy to switch on the grounding switch, the grounding knife on a grounding knife assembly is firmly and reliably contacted with a flange part on a static contact through a butterfly spring, and when the switch is switched off, the main shaft overcomes main moment and spring force by acting the moment to drive the crank arm to rotate along a switching-off direction, the pressure spring of the grounding knife passes through the dead point, and the energy storage of the pressure spring is finished so as to prepare for next switching-on.
At present, when the existing grounding knife is switched on or switched off, an operating mechanism is needed, and most of the existing operating mechanisms adopt two groups of bevel gears which are vertically meshed to drive a main shaft to rotate so as to realize switching on and switching off, but the following problems are easy to occur when the grounding knife is actually used for switching on and switching off;
when the spring releases energy in the opening and closing action stage, the spring drives the main shaft to rotate quickly, when the main shaft rotates, one bevel gear is driven to rotate, when one bevel gear rotates, the other bevel gear is driven to rotate, and the rotating speed of the main shaft is very high due to the fact that potential energy of the spring is large, so that the two bevel gears rotate too fast and collide violently, and the service lives of the gears are further shortened.
In summary, there is a need for a high-voltage grounding switch capable of performing accurate switching on/off.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a high tension apparatus earthing switch has solved the problem of mentioning in the background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the high-voltage equipment grounding switch comprises a bottom plate; one end of the upper end surface of the bottom plate is fixedly connected with a heightening table, the upper end surface of the heightening table is provided with static contact assemblies at equal intervals, the upper end surface of the bottom plate is provided with a switch blade assembly, one side of the upper end surface of the bottom plate, which is positioned on the switch blade assembly, is provided with a limiting assembly, and one side of the bottom plate is provided with a driving assembly; the knife switch assembly comprises a rectangular block, the upper end face of the bottom plate is fixedly connected with the rectangular block, the upper end face of the rectangular block is rotatably connected with a first insulating block through a lug matching pin shaft, the middle part of one side of the first insulating block is fixedly connected with a damping rod, one end of the damping rod is fixedly connected with a second insulating block, and the middle part of one end of the second insulating block is fixedly connected with a knife switch.
Furthermore, the switch blade assembly further comprises a conductive rod and a reinforcing rod, wherein 3 switch blades are arranged, and three switch blades are fixedly connected through the conductive rod and the reinforcing rod respectively.
Furthermore, the static contact component comprises an insulator, the upper end face of the heightening platform is fixedly connected with the insulator at equal intervals, the upper end face of the insulator is fixedly connected with a connecting sheet through a nut, one end face of the lower end face of the connecting sheet is fixedly connected with a U-shaped contact, and one end of the switch blade is in contact with the inner cavity of the U-shaped contact.
Further, spacing subassembly includes the rectangular plate, bottom plate up end fixedly connected with rectangular plate, rectangular plate upper portion is provided with the arcwall face, the stiffener passes through arcwall face and rectangular plate sliding connection, rectangular plate one side is provided with the arc wall, arc wall inner chamber sliding connection has the cylinder pole, the surface of cylinder pole and the both sides that are located the rectangular plate are the spacing disk of fixedly connected with respectively, cylinder pole one end and second collets fixed connection.
Further, drive assembly includes the drive case, bottom plate one side fixedly connected with drive case, drive case inner chamber lower part is rotated and is connected with the dwang, dwang one end surface is rotated through worm cooperation worm wheel and is connected with the rotary rod, rotary rod one end runs through rectangular plate and rectangular block in proper order and rotates with rectangular plate and rectangular block to be connected, rotary rod surface fixed connection has the ring, the ring surface is the first stock of fixedly connected with and second stock respectively, first stock and second stock one side respectively with spacing disk periphery mutual contact.
The utility model provides a high-tension apparatus earthing switch. Compared with the prior art, the method has the following beneficial effects:
1. through first stock and second stock among the drive assembly and arc wall, the cylinder pole of this of spacing subassembly will drive first insulating block, damping rod, second insulating block and the whole rotation towards U type contact of plug-in strip to accomplish the combined floodgate, or towards opposite direction, then accomplish the separating brake.
2. Through mutually supporting of spacing disk, cylinder pole and arc wall in the spacing subassembly, can make the switch carry out the accurate inside U type contact that inserts to the condition of skew appears when preventing to close a floodgate.
3. Through mutually supporting of first stock and second stock and spacing disc, can realize no longer transmitting power to worm and worm wheel at the condition that will accomplish soon of closing a floodgate or separating brake, and then effectively protect worm gear, increase worm gear's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows the overall structure of the present invention;
fig. 2 shows another view angle overall structure diagram of the present invention;
fig. 3 shows a schematic view of the overall structure of the present invention from above;
fig. 4 shows a schematic view of the installation structure of the present invention;
shown in the figure: 1. a base plate; 2. a height increasing platform; 3. a stationary contact assembly; 31. an insulator; 32. connecting sheets; 33. a U-shaped contact; 4. a knife assembly; 41. a rectangular block; 42. a first insulating block; 43. a damping lever; 44. a second insulating block; 45. a knife switch; 46. a conductive rod; 47. a reinforcing bar; 5. a limiting component; 51. a rectangular plate; 52. an arc-shaped surface; 53. an arc-shaped slot; 54. a cylindrical rod; 55. limiting the wafer; 6. a drive assembly; 61. a drive box; 62. rotating the rod; 63. rotating the rod; 64. a circular ring; 65. a first long rod; 66. a second long rod.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Example one
In order to solve the technical problems in the background art, the following high-voltage equipment grounding switch is provided:
referring to fig. 1-4, the high voltage device grounding switch provided by the present invention comprises a bottom plate 1; one end of the upper end face of the base plate 1 is fixedly connected with a heightening table 2, static contact assemblies 3 are installed on the upper end face of the heightening table 2 at equal intervals, a switch blade assembly 4 is installed on the upper end face of the base plate 1, a limiting assembly 5 is installed on the upper end face of the base plate 1 and located on one side of the switch blade assembly 4, and a driving assembly 6 is installed on one side of the base plate 1; the switch blade assembly 4 comprises a rectangular block 41, the upper end face of the bottom plate 1 is fixedly connected with the rectangular block 41, the upper end face of the rectangular block 41 is rotatably connected with a first insulating block 42 through a lug matching pin shaft, the middle part of one side of the first insulating block 42 is fixedly connected with a damping rod 43, one end of the damping rod 43 is fixedly connected with a second insulating block 44, and one end of the second insulating block 44 is fixedly connected with a switch blade 45. The static contact component 3 comprises an insulator 31, the upper end face of the heightening platform 2 is fixedly connected with the insulator 31 at equal intervals, the upper end face of the insulator 31 is fixedly connected with a connecting sheet 32 through a nut, one end of the lower end face of the connecting sheet 32 is fixedly connected with a U-shaped contact 33, and one end of a switch blade 45 is in contact with the inner cavity of the U-shaped contact 33.
The damping rod 43 and the knife blade 45 in the knife blade assembly 4 realize the connection with the U-shaped contact 33, so that the later-stage switch-on and switch-off are facilitated.
As an improvement of the above technical solution, the blade assembly 4 further includes a conductive rod 46 and a reinforcing rod 47, 3 blades 45 are provided, and the three blades 45 are fixedly connected through the conductive rod 46 and the reinforcing rod 47 respectively.
The power supply is transmitted to the underground through the conducting rod 46 in the switch blade assembly 4, then a plurality of switch blades are fixed through the reinforcing rod 47, and on the other hand, the limit of the switch blades during switching-on and switching-off is realized.
Example two
As shown in fig. 1 to 4, on the basis of the above embodiments, the present embodiment further provides the following:
spacing subassembly 5 includes rectangular plate 51, bottom plate 1 up end fixedly connected with rectangular plate 51, rectangular plate 51 upper portion is provided with arcwall face 52, stiffener 47 passes through arcwall face 52 and rectangular plate 51 sliding connection, rectangular plate 51 one side is provided with arc wall 53, arc wall 53 inner chamber sliding connection has cylinder pole 54, the surface of cylinder pole 54 just is located the both sides difference fixedly connected with spacing disk 55 of rectangular plate 51, cylinder pole 54 one end and second collets 44 fixed connection.
Through the mutual cooperation of the arc-shaped groove 53, the cylindrical rod 54 and the limiting wafer 55 in the limiting assembly 5, the switch blade 45 is only enabled to be accurately positioned when being switched on.
EXAMPLE III
As shown in fig. 1 to fig. 4, on the basis of the above embodiments, the present embodiment further provides the following:
drive assembly 6 includes drive box 61, 1 one side fixedly connected with drive box 61 of bottom plate, drive box 61 inner chamber lower part is rotated and is connected with dwang 62, dwang 62 one end surface is rotated through worm cooperation worm wheel and is connected with rotary rod 63, rotary rod 63 one end runs through rectangular plate 51 and rectangular block 41 in proper order and rotates with rectangular plate 51 and rectangular block 41 and be connected, rotary rod 63 outer fixed surface is connected with ring 64, ring 64 outer surface is the first stock 65 of fixedly connected with and second stock 66 respectively, first stock 65 and second stock 66 one side respectively with spacing disk 55 periphery contaction each other.
The knife switch assembly 4 is controlled to be switched on and off through the rotary rod 62, the first long rod 65 and the second long rod 66 in the driving assembly 6.
The utility model discloses a theory of operation and use flow:
in the use state:
the whole grounding switch device is installed in a high-voltage equipment box, the ground wire is connected with the ground, the other end of the ground wire is connected with the conducting rod, and therefore the integral installation is completed.
During switching, the rotating rod 62 is rotated, when the rotating rod 62 rotates, the rotating rod 63 is driven to rotate by the worm matching with the worm wheel, when the rotating rod 63 rotates, the ring 64, the first long rod 65 and the second long rod 66 are driven to rotate, when the first long rod 65 rotates, the first long rod contacts with the limiting wafer 55, when the first long rod contacts with the limiting wafer 55, the limiting wafer 55 is driven to move, when the limiting wafer 55 moves towards the U-shaped contact 33, the cylindrical rod 54 is driven to slide in the arc-shaped groove 53, when the cylindrical rod 54 moves, the second insulating block 44 is driven to move, when the second insulating block 44 moves, the damping rod 43 is driven to rotate around one end of the first insulating block 42, when the cylindrical rod 54 moves to the highest point in the arc-shaped groove 53, the cylindrical rod 54 drives the second insulating block 44 to stretch, the damping rod 43 is sleeved with a spring, so that the spring is stretched, when the cylindrical rod 54 moves to the highest point on the arc-shaped groove 53, the damping rod 43 retracts through the spring, and when the second insulating block 44 moves to the U-shaped contact, the U-shaped contact is driven to reset, and the U-shaped contact 33, and the second insulating block 44 is driven to reset rapidly reset along with the U-shaped contact.
When the switch is opened, the second long rod 66 drives the limiting wafer 55 and the cylindrical rod 54 to move towards the position far away from the U-shaped contact 33, and when the limiting wafer and the cylindrical rod 54 move, the second insulating block 44 and the switch blade 45 are driven to move towards the direction far away from the U-shaped contact 33.
Because there is certain contained angle between first stock 65 and the second stock 66, when first stock 65 and the second stock 66 drive the plug-in strip 45 to close a floodgate and open a floodgate, on the one hand will receive the restriction of arc wall 53, on the other hand, will receive the restriction of stiffener 47, because stiffener 47 slides on the surface of arcwall face 52, so when closing a floodgate and opening a floodgate, can not pass through the cylinder pole, spacing disk 55 has the impact to first stock 65, second stock 66, make the pivoted condition appear in rotary rod 63, and then effectual protection worm and worm wheel. The service life of the worm and the worm wheel is prolonged.
Finally, the switch blade 45 is limited by the two limiting wafers 55, so that the switch blade 45 can be accurately inserted into the U-shaped contact 33 to complete switching on.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. High-voltage equipment earthing switch, its characterized in that: comprises a bottom plate (1); one end of the upper end face of the bottom plate (1) is fixedly connected with a heightening table (2), the upper end face of the heightening table (2) is provided with static contact assemblies (3) at equal intervals, the upper end face of the bottom plate (1) is provided with a knife switch assembly (4), a limiting assembly (5) is arranged on the upper end face of the bottom plate (1) and positioned on one side of the knife switch assembly (4), and a driving assembly (6) is arranged on one side of the bottom plate (1);
the switch blade component (4) comprises a rectangular block (41), the upper end face of the base plate (1) is fixedly connected with the rectangular block (41), the upper end face of the rectangular block (41) is rotatably connected with a first insulating block (42) through a lug matching pin shaft, the middle part of one side of the first insulating block (42) is fixedly connected with a damping rod (43), one end of the damping rod (43) is fixedly connected with a second insulating block (44), and one end of the second insulating block (44) is fixedly connected with a switch blade (45).
2. The high voltage apparatus grounding switch of claim 1, wherein: the switch blade assembly (4) further comprises a conductive rod (46) and a reinforcing rod (47), 3 switch blades (45) are arranged, and the number of the switch blades (45) is three, and the switch blades (45) are fixedly connected through the conductive rod (46) and the reinforcing rod (47) respectively.
3. The high voltage device grounding switch of claim 1, wherein: the static contact component (3) comprises an insulator (31), the upper end face of the heightening platform (2) is fixedly connected with the insulator (31) at equal intervals, the upper end face of the insulator (31) is fixedly connected with a connecting piece (32) through a nut, one end of the lower end face of the connecting piece (32) is fixedly connected with a U-shaped contact (33), and one end of a switch blade (45) is in contact with the inner cavity of the U-shaped contact (33).
4. The high voltage device grounding switch of claim 2, wherein: the limiting assembly (5) comprises a rectangular plate (51), the upper end face of the bottom plate (1) is fixedly connected with the rectangular plate (51), the upper portion of the rectangular plate (51) is provided with an arc-shaped face (52), the reinforcing rod (47) is connected with the rectangular plate (51) in a sliding mode through the arc-shaped face (52), an arc-shaped groove (53) is formed in one side of the rectangular plate (51), an inner cavity of the arc-shaped groove (53) is connected with a cylindrical rod (54) in a sliding mode, the outer surface of the cylindrical rod (54) is located on two sides of the rectangular plate (51) and fixedly connected with limiting circular pieces (55) respectively, and one end of the cylindrical rod (54) is fixedly connected with the second insulating block (44).
5. The high voltage apparatus grounding switch of claim 4, wherein: drive assembly (6) are including drive case (61), bottom plate (1) one side fixedly connected with drive case (61), drive case (61) inner chamber lower part is rotated and is connected with dwang (62), dwang (62) one end surface is rotated through worm cooperation worm wheel and is connected with rotary rod (63), rotary rod (63) one end runs through rectangular plate (51) and rectangular block (41) in proper order and rotates with rectangular plate (51) and rectangular block (41) and be connected, rotary rod (63) surface fixedly connected with ring (64), ring (64) surface difference fixedly connected with first stock (65) and second stock (66), first stock (65) and second stock (66) one side respectively with spacing wafer (55) periphery mutual contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223140759.9U CN218782962U (en) | 2022-11-25 | 2022-11-25 | High-voltage equipment grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223140759.9U CN218782962U (en) | 2022-11-25 | 2022-11-25 | High-voltage equipment grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782962U true CN218782962U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223140759.9U Active CN218782962U (en) | 2022-11-25 | 2022-11-25 | High-voltage equipment grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218782962U (en) |
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- 2022-11-25 CN CN202223140759.9U patent/CN218782962U/en active Active
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