CN114336339B - Manual bypass cabinet of high pressure frequency conversion with auto-lock effect - Google Patents
Manual bypass cabinet of high pressure frequency conversion with auto-lock effect Download PDFInfo
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- CN114336339B CN114336339B CN202111648689.5A CN202111648689A CN114336339B CN 114336339 B CN114336339 B CN 114336339B CN 202111648689 A CN202111648689 A CN 202111648689A CN 114336339 B CN114336339 B CN 114336339B
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Abstract
The invention discloses a high-voltage frequency conversion manual bypass cabinet with a self-locking effect, which comprises a cabinet body and three single-pole double-throw switches, wherein a front plate is fixedly connected with the front end surface of the cabinet body, a cavity is formed in the front plate, a switch component is arranged in the cavity, the output end of the switch component is fixedly connected with the input end of the single-pole double-throw switch, a connecting rod is arranged in the cavity, a locking component is inserted into the connecting rod, the locking component is matched with the switch component, an inserting rod is arranged in the cavity in a sliding manner, a plurality of notches are formed in the inserting rod, the notches are inserted into the locking component, a through hole is vertically formed in the bottom surface of the connecting rod, a first locking rod is arranged in the through hole, a wedge-shaped block is arranged at the bottom of the inserting rod in a sliding manner, a rack II is fixedly connected to one side surface of the wedge-shaped block, a rotating rod is symmetrically arranged in the front plate, a sealing door is arranged between the two rotating rods, one end of the rotating rod is fixedly connected with a gear, and one side of the sealing door is provided with a socket.
Description
Technical Field
The invention relates to the technical field of power cabinets, in particular to a high-voltage frequency conversion manual bypass cabinet with a self-locking effect.
Background
Both transmission and distribution facilities include equipment such as substations, lines, and the like. All the power transmission equipment are connected to form a power transmission network. A network of distribution equipment from a transmission network to a customer is called a distribution network. They are sometimes also referred to as power transmission systems and power distribution systems. The transmission and distribution systems, plus the power plants and consumers, are collectively referred to as power systems. The various power devices in the power system have their own rated voltages, which constitute the voltage class of the overall power system. The power transmission uses a voltage higher than the distribution voltage. The division of the transmission and distribution voltage limits is not fixed and varies with the area covered by the grid and the size of the capacity, and bypass cabinets are used in the process.
When the traditional bypass cabinet is used, the cabinet door can be directly opened in the use process, or when the cabinet door is not closed, closing operation can be performed, the safety is low, dangers are easily caused, and a solution is provided below the problems.
Disclosure of Invention
The invention aims to provide a high-voltage frequency conversion manual bypass cabinet with a self-locking effect, and solves the problem of low safety of the bypass cabinet.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a manual bypass cabinet of high voltage variable frequency with auto-lock effect, includes the cabinet body and is three single-pole double throw switch of arranging about and install in the internal portion of cabinet, the preceding terminal surface fixedly connected with front bezel of the cabinet body, the cavity has been seted up to the front bezel inside, the inside switch module that is provided with of cavity, the switch module passes the cavity, the output of switch module and the input fixed connection of single-pole double throw switch, the cavity is inside to be provided with the connecting rod that is located switch module bottom, the interlude is provided with locking subassembly in the connecting rod, locking subassembly's input passes the cavity, locking subassembly's one end and switch module alternate cooperation, cavity inside slip is provided with the inserted bar that is located locking subassembly bottom, a plurality of notches have been seted up on the inserted bar, notch and locking subassembly's the other end alternate cooperation, the bottom surface fixedly connected with rack one of inserted bar, one side rotation of inserted bar be provided with the plectane, the through-hole has been seted up to the bottom surface of connecting rod, inside being provided with the connecting rod, the one side of through-hole is provided with the connecting rod, the first side of locking bar is provided with two side of two wedge-shaped, two side face-plates are close to each other, two side sliding connection has two wedge-shaped doors are close to each other, and two side fixed mutually-shaped door is provided with the sealing connection.
By adopting the technical scheme, when the cabinet is required to be overhauled, a user firstly starts the switch assembly, the switch assembly can drive the three single-pole double-throw switches to be closed, when the three single-pole double-throw switches are closed, the locking assembly is pushed to be opposite to the locking assembly of the switch assembly, the locking assembly slides out of the notch to move into the switch assembly, at the moment, the locking assembly limits the switch assembly, the switch assembly cannot be adjusted, the locking assembly removes the limit on the inserted bar, the circular plate is rotated, the circular plate drives the toothed ring to rotate, the toothed ring rotates to drive the meshed rack to move, the first toothed bar moves to drive the inserted bar to move, one end of the inserted bar moves out of the socket of the sealing door, the limit on the sealing door is removed to drive the rotating rod to rotate around the rotating rod, the rotating rod drives the gear to rotate, the gear rotates to drive the second toothed bar to move, the wedge block is driven to move by the second toothed bar, the inclined plane of the wedge block can push the locking bar upwards, the obtained locking bar is inserted into the through locking, and the locking bar is fixed to close the sealing door, so that the sealing door is not completely closed, and the safety is not completely closed is avoided.
Preferably, the locking assembly comprises a second locking rod, a push rod, a side plate, a first spring, a slide rod and a clamping ball, wherein the second locking rod is provided with three parts, the three parts of the second locking rod sequentially penetrate through the connecting rod, a sliding groove is formed in the position, corresponding to the connecting rod, of the cavity, the push rod is arranged inside the sliding groove in a sliding mode, one end of the push rod is fixedly connected with the side face of the second locking rod, the side plate is located one side of the second locking rod, the side plate is fixedly connected with the connecting rod, the slide rod is located between the side plate and the second locking rod, one end of the slide rod is fixedly connected with the second locking rod, the first spring is sleeved on the slide rod, the clamping ball is arranged on the slide rod in a sliding mode, two ends of the first spring are respectively contacted with the clamping ball and the second locking rod, and two clamping ball matching bayonets are formed in the side plate from top to bottom.
By adopting the technical scheme, the push rod is pushed, the push rod is forced to slide in the chute, the push rod can push the locking rod to move, the sliding rod on the locking rod is driven to move when the locking rod moves, the clamping ball is driven to move when the sliding rod moves, so that the clamping ball moves out of one bayonet, the clamping ball can squeeze the first spring when moving out of the bayonet, the first spring generates pressure, when the clamping ball moves to the other bayonet, the first spring force can push the clamping ball to move, the clamping ball is pushed to the inside of the bayonet by the spring, and the clamping ball is prevented from moving under the action of gravity of the self by the cooperation between the clamping ball and the bayonet.
Preferably, the switch assembly comprises a rotary table and a pull rod, three rotary grooves are formed in the front plate, the rotary table is provided with three rotary grooves and is respectively arranged in the corresponding rotary grooves in a rotary mode, an arc-shaped groove is formed in the side face of the rotary table, one end of the pull rod is rotationally arranged inside the arc-shaped groove, a pull sleeve is connected with one end of the pull rod in a rotary mode, one end of the pull sleeve is sleeved on the output end of the single-pole double-throw switch, and a locking opening matched with the locking assembly is formed in the arc face of the rotary table and located at one end of the rotary groove.
By adopting the technical scheme, the turntable is rotated, the turntable is stressed to rotate in the rotating groove, the turntable rotates to drive the arc groove on the turntable to rotate, the pull rod is driven to move when the arc groove rotates, the pull rod moves to drive the pull sleeve to rotate, the pull sleeve rotates to drive the output end of the single-pole double-throw switch to rotate, and when the turntable pulls the single-pole double-throw switch to the off state, the locking opening and the locking block are positioned on the same vertical line.
Preferably, the front plate end face is fixedly connected with three electromagnetic locks, two limiting ports are formed in the side faces of the turntables, and the three limiting ports corresponding to the same positions of the three turntables are formed in the output ends of the electromagnetic locks (35).
By adopting the technical scheme, the electromagnetic lock is started, the output end of the electromagnetic lock can be inserted into the limit opening, the electromagnetic lock is used for locking the rotary table, false touch is avoided, two limit openings are formed in the same rotary table and respectively correspond to two states of the switch assembly, and the electromagnetic lock can be used for locking the rotary table.
Preferably, a threaded opening is formed in the arc surface of the rotary table, and a switch rod is arranged in one threaded opening in a threaded fit mode.
By adopting the technical scheme, the switch rod is convenient for a user to rotate the rotary table, the switch rod matched with the screw thread is convenient for the user to take out after adjusting the rotary table, the false touch is avoided, and the safety is ensured.
Preferably, an arc-shaped plate is arranged on the side face of the circular plate, a sleeve is fixedly connected to one side of the arc-shaped plate, a push rod is slidably arranged in the sleeve, a second spring is arranged between the sleeve and the push rod, two ends of the second spring are respectively fixedly connected with the side face of the sleeve and the side face of the push rod, a semicircle is fixedly connected to one end of the push rod, and two clamping grooves which are clamped with the semicircle are formed in the side face of the circular plate.
By adopting the technical scheme, when the circular plate rotates, the rotating plate drives the clamping groove to rotate, the clamping groove can extrude the semicircular ball, the semicircular ball stress can extrude the ejector rod, so that the top cover is retracted into the sleeve, the ejector rod can extrude the second spring when moving, the second spring stress is deformed to generate elasticity, when the next clamping groove corresponds to the semicircular ball, the ejector rod can be pushed by the elasticity of the second spring, the ejector rod can drive the semicircular ball, and therefore the semicircular ball is clamped into the other clamping groove, the clamping groove and the semicircular ball are matched to facilitate the positioning of the position of the inserted rod by a user, the semicircular ball plays a positioning role on the circular plate, and random rotation of the circular plate is avoided.
Preferably, a telescopic rod for rotating the circular plate is fixedly connected to the side surface of the circular plate.
By adopting the technical scheme, the telescopic rod in the extension state conveniently rotates the circular plate, and the telescopic rod in the shortening state is conveniently stored.
Preferably, a bevel is formed at the bottom of the first locking rod.
By adopting the technical scheme, the wedge-shaped block is conveniently inserted into the bevel connection.
The beneficial effect, when the sealing door is sealed completely, the locking lever can remove from the through-hole inside this moment, just can slide the inserted bar this moment, just can lock the sealing door, the inserted bar can remove when having avoided the sealing door to close completely, leads to closing incompletely, the inserted bar cooperates the back to the socket, notch and locking device correspond this moment, locking device just can remove from switch module inside, only can start switch module and close single-pole double-throw switch when the sealing door is closed completely, fully guarantee the security.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic diagram of an embodiment for showing a cavity;
FIG. 3 is a cross-sectional view of a side view of the cabinet;
FIG. 4 is an enlarged view of A;
fig. 5 is an enlarged view of B;
FIG. 6 is an enlarged view of C;
FIG. 7 is an enlarged view of an embodiment for showing the slide bar and sleeve.
Reference numerals: 1. a cabinet body; 2. a single pole double throw switch; 3. a front plate; 4. a cavity; 5. a switch assembly; 6. a connecting rod; 7. a locking assembly; 8. a rod; 9. a notch; 10. a first rack; 11. a circular plate; 12. a toothed ring; 13. a through hole; 14. a first locking lever; 15. wedge blocks; 16. a second rack; 17. a rotating rod; 18. sealing the door; 19. a gear; 20. a socket; 21. a second locking lever; 22. a push rod; 23. a side plate; 24. a first spring; 25. a slide bar; 26. ball clamping; 27. a chute; 28. a bayonet; 29. a turntable; 30. a pull rod; 31. a rotary groove; 32. an arc-shaped groove; 33. pulling the sleeve; 34. a locking port; 35. an electromagnetic lock; 36. a limit opening; 37. a threaded port; 38. a switch lever; 39. an arc-shaped plate; 40. a sleeve; 41. a push rod; 42. a second spring; 43. a semicircle sphere; 44. a clamping groove; 45. a telescopic rod; 46. and (5) a bevel opening.
Detailed Description
The following description is only of the preferred embodiments of the present invention, and the scope of the present invention should not be limited to the examples, but should be construed as falling within the scope of the present invention. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention are intended to be comprehended within the scope of the present invention.
Referring to fig. 1 to 7, a high-voltage variable frequency manual bypass cabinet with self-locking effect comprises a cabinet body 1 and three single-pole double-throw switches 2 which are arranged in an up-down mode and are arranged in the cabinet body 1, a front end face of the cabinet body 1 is fixedly connected with a front plate 3, a cavity 4 is formed in the front plate 3, a switch assembly 5 is arranged in the cavity 4, the switch assembly 5 comprises a rotary table 29 and a pull rod 30, three rotary grooves 31 are formed in the front plate 3, the rotary table 29 is provided with three rotary tables and are respectively arranged in the corresponding rotary grooves 31 in a rotary mode, an arc-shaped groove 32 is formed in the side face of the rotary table 29, one end of the pull rod 30 is rotatably arranged in the arc-shaped groove 32, a pull sleeve 33 is rotatably connected to one end of the pull rod 30, one end of the pull sleeve 33 is sleeved on the output end of the single-pole double-throw switch 2, a threaded opening 37 is formed in the arc-shaped face of the rotary table 29, one threaded opening 37 is internally in a threaded fit mode, the switch rod 38 is arranged, a user conveniently rotates the rotary table 29, the switch rod 38 in the threaded fit mode, the user conveniently takes out the rotary table 29 after adjusting the rotary table 29, and safety is guaranteed.
When the inside maintenance of cabinet 1 is needed, through switch lever 38 rotation carousel 29, carousel 29 atress is rotated at the inside of changeing the groove 31, and carousel 29 rotates and can drive the arc wall 32 on the carousel 29 and rotate, can drive pull rod 30 when the arc wall 32 rotates and remove, and pull rod 30 removes and can drive pull sleeve 33 and rotate, and pull sleeve 33 rotates and can drive the output of single-pole double-throw switch 2 and rotate, and switch module 5 can drive three single-pole double-throw switch 2 and close.
The cavity 4 is internally provided with a connecting rod 6 positioned at the bottom of the switch assembly 5, the connecting rod 6 is internally inserted with a locking assembly 7, the cavity 4 is internally provided with a inserted rod 8 positioned at the bottom of the locking assembly 7 in a sliding way, a plurality of notches 9 are formed in the inserted rod 8, the locking assembly 7 comprises a second locking rod 21, a push rod 22, a side plate 23, a first spring 24, a slide rod 25 and a clamping ball 26, the second locking rod 21 is provided with three, the three second locking rods 21 sequentially penetrate through the connecting rod 6, a sliding groove 27 is formed in the position, corresponding to the connecting rod 6, of the cavity 4, the push rod 22 is slidingly arranged in the sliding groove 27, one end of the push rod 22 is fixedly connected with the side surface of the second locking rod 21, the side plate 23 is positioned at one side of the second locking rod 21, the side plate 23 is fixedly connected with the connecting rod 6, the slide rod 25 is positioned between the side plate 23 and the second locking rod 21, one end of the slide rod 25 is fixedly connected with the second locking rod 21, the first spring 24 is sleeved on the slide rod 25, the clamping ball 26 is slidingly arranged on the slide rod 25, two ends of the first spring 24 are respectively contacted with the clamping ball 26 and the second locking rod 21, and two clamping balls 28 are matched with the clamping balls 28 from top to bottom on the side plate 23.
The arc surface of the turntable 29 is provided with a locking port 34 matched with the locking component 7, the locking port 34 is positioned at one end of the rotating groove 31, when the turntable 29 pulls the single-pole double-throw switch 2 to the off state, the locking port 34 and the locking block are positioned on the same vertical line at the moment, the push rod 22 is pushed, the push rod 22 is forced to slide in the sliding groove 27, the push rod 22 can push the second locking rod 21 to move, the second locking rod 21 moves out of the notch 9 to move into the locking port 34, at the moment, the locking component 7 limits the switching component 5, the switching component 5 cannot be adjusted, the second locking rod 21 moves to drive the slide rod 25 on the second locking rod 21 to move, the slide rod 25 moves to drive the clamping ball 26 to move, so that the clamping ball 26 moves out of one bayonet 28, the clamping ball 26 moves out of the bayonet 28, the first spring 24 is pressed when the clamping ball 26 moves out of the bayonet 28, the elastic force of the first spring 24 can push the clamping ball 26 to move, the clamping ball 26 is pushed into the bayonet 28 by the spring, and the second clamping ball 26 is prevented from moving under the action of the second locking rod 21 through the matching between the clamping ball 26 and the bayonet 28.
The front plate 3 is internally symmetrical and rotationally provided with a rotating rod 17, a sealing door 18 fixedly connected with the two rotating rods 17 is arranged between the two rotating rods 17, a socket 20 corresponding to the inserting rod 8 is formed in one side, close to the inserting rod 8, of the sealing door 18, a rack I10 is fixedly connected to the bottom surface of the inserting rod 8, a circular plate 11 is rotationally arranged on one side of the inserting rod 8, a toothed ring 12 meshed with the rack I10 is fixedly connected to the side surface of the circular plate 11, a telescopic rod 45 used for rotating the circular plate 11 is fixedly connected to the side surface of the circular plate 11, the telescopic rod 45 in an extension state is convenient to rotate the circular plate 11, the telescopic rod 45 in a shortening state is convenient to store, an arc 39 is arranged on the side surface of the circular plate 11, a sleeve 40 is fixedly connected to one side of the arc 39, a push rod 41 is arranged in a sliding mode inside the sleeve 40, a spring II 42 is arranged between the sleeve 40 and the push rod 41, two ends of the spring II 42 are fixedly connected with the side surface of the sleeve 40 and the push rod 41, one end of the push rod 41 is fixedly connected with a semicircular ball 43, and two clamping grooves 44 clamped with the semicircular ball 43 are formed in the side surface of the circular plate.
The circular plate 11 is rotated, the circular plate 11 drives the toothed ring 12 to rotate, the toothed ring 12 drives the first rack 10 which is meshed with each other to move when rotating, the first rack 10 drives the inserting rod 8 to move when moving, one end of the inserting rod 8 moves out of the socket 20 of the sealing door 18, the inserting rod 8 removes the limit on the sealing door 18, the sealing door 18 can freely rotate around the rotating rod 17, when the circular plate 11 rotates, the circular plate drives the clamping groove 44 to rotate, the clamping groove 44 can press the semicircular ball 43, the semicircular ball 43 is stressed to press the ejector rod 41, the top cover is retracted into the sleeve 40, the ejector rod 41 can press the second spring 42 when moving, the elastic force of the second spring 42 can push the ejector rod 41 when the next clamping groove 44 corresponds to the semicircular ball 43, the ejector rod 41 can drive the semicircular ball 43, the semicircular ball 43 is clamped into the other clamping groove 44, the matching between the clamping groove 44 and the semicircular ball 43 is convenient for a user to position the inserting rod 8, the circular plate 43 can be prevented from positioning, and the circular plate 11 can rotate randomly.
The through hole 13 has been vertically seted up to the bottom surface of connecting rod 6, and the inside first locking lever 14 that is provided with of through hole 13, the bevel connection 46 has been seted up to the bottom of first locking lever 14, and bevel connection 46 makes things convenient for wedge 15's the insertion, and the horizontal slip in inserted bar 8 bottom is provided with wedge 15, and one side fixedly connected with rack two 16 of wedge 15, the one end fixedly connected with and rack two 16 intermeshing's of bull stick 17 that is close to rack two 16 gear 19.
The sealing door 18 drives the bull stick 17 to rotate when rotating, and bull stick 17 rotates and drives the gear 19 and rotate, and the gear 19 rotates and can promote rack two 16 and remove, and rack two 16 removes and can drive wedge 15 and remove to make wedge 15's inclined plane can upwards promote first locking lever 14, the inside of gained first locking lever 14 inserts through-hole 13, fixes second locking lever 21 through first locking lever 14, when having avoided sealing door 18 not closing in place, inserted bar 8 just releases, leads to sealing door 18's closure incompletely, improves the security.
When the sealing door 18 is completely sealed, the first locking rod 14 can be moved out from the through hole 13, the inserting rod 8 can be slid at the moment to lock the sealing door 18, the situation that the inserting rod 8 can be moved out when the sealing door 18 is not completely closed, so that incomplete closing is caused is avoided, after the inserting rod 8 is matched with the inserting opening 20, the notch 9 corresponds to the locking device, the locking device can be moved out from the switch assembly 5, and the switch assembly 5 can be started to close the single-pole double-throw switch 2 only when the sealing door 18 is completely closed. The safety is fully ensured.
The three electromagnetic locks 35 are fixedly connected with the end face of the front plate 3, two limiting ports 36 are formed in the side faces of the three rotary plates 29, the limiting ports 36 corresponding to the same positions of the three rotary plates 29 are formed in the output ends of the three electromagnetic locks 35, the electromagnetic locks 35 are started, the output ends of the electromagnetic locks 35 can be inserted into the limiting ports 36, the rotary plates 29 are locked through the electromagnetic locks 35, false touching is avoided, two limiting ports 36 are formed in the same rotary plate 29 and correspond to two states of the switch assembly 5 respectively, and the rotary plates 29 can be locked.
Claims (8)
1. The utility model provides a manual bypass cabinet of high voltage variable frequency with auto-lock effect, includes cabinet body (1) and is three single-pole double-throw switch (2) of arranging up-down and installing in cabinet body (1) inside, a serial communication port, the preceding terminal surface fixedly connected with front bezel (3) of cabinet body (1), cavity (4) have been seted up to front bezel (3) inside, cavity (4) inside is provided with switch module (5), switch module (5) pass cavity (4), the output of switch module (5) and the input fixed connection of single-pole double-throw switch (2), cavity (4) inside is provided with connecting rod (6) that are located switch module (5) bottom, be provided with locking component (7) in connecting rod (6), locking component (7)'s input passes cavity (4), locking component (7) one end and switch module (5) cooperation, cavity (4) inside slip are provided with insert rod (8) that are located locking component (7) bottom, insert rod (8) pass through on the cavity (8), insert rod (9) and one end (8) are provided with recess (8) and one side of rotation, insert rod (8) are connected with one side of rotation, the side fixedly connected with of plectane (11) and rack one (10) intermeshing's ring gear (12), through-hole (13) have been seted up vertically to the bottom surface of connecting rod (6), inside first locking lever (14) that are provided with of through-hole (13), inserted bar (8) bottom lateral sliding is provided with wedge (15), one side fixedly connected with rack two (16) of wedge (15), front bezel (3) inside symmetry and rotation are provided with bull stick (17), two be provided with between bull stick (17) with two bull stick (17) fixed connection's sealing door (18), be close to one end fixedly connected with and rack two (16) intermeshing's gear (19) of bull stick (17), one side of sealing door (18) near inserted bar (8) is seted up and is inserted hole (20) with inserted bar (8) mutual correspondence.
2. The high-voltage variable frequency manual bypass cabinet with a self-locking effect according to claim 1, wherein the locking assembly (7) comprises a second locking rod (21), a push rod (22), a side plate (23), a first spring (24), a sliding rod (25) and a clamping ball (26), the second locking rod (21) is provided with three, three second locking rods (21) sequentially penetrate through the connecting rod (6), a sliding groove (27) is formed in the position, corresponding to the connecting rod (6), of the cavity (4), the push rod (22) is arranged in the sliding groove (27) in a sliding mode, one end of the push rod (22) is fixedly connected with the side face of the second locking rod (21), the side plate (23) is located on one side of the second locking rod (21), the side plate (23) is fixedly connected with the connecting rod (6), one end of the sliding rod (25) is fixedly connected with the second locking rod (21), the first spring (24) is sleeved on the side plate (23) and is in a sliding mode, the two ends of the sliding rod (21) are respectively contacted with the sliding ball (26), two bayonets (28) matched with the clamping balls (26) are formed in the side plates (23) from top to bottom.
3. The high-voltage variable-frequency manual bypass cabinet with a self-locking effect according to claim 1, characterized in that the switch assembly (5) comprises a rotary table (29) and a pull rod (30), three rotary grooves (31) are formed in the front plate (3), the rotary table (29) is provided with three rotary grooves (31) which are respectively arranged in a rotary mode, an arc groove (32) is formed in the side face of the rotary table (29), one end of the pull rod (30) is rotationally arranged inside the arc groove (32), one end of the pull rod (30) is rotationally connected with a pull sleeve (33), one end of the pull sleeve (33) is sleeved on the output end of the single-pole double-switch (2), a locking port (34) matched with the locking assembly (7) is formed in the arc surface of the rotary table (29), and the locking port (34) is located at one end of the rotary groove (31).
4. A high-voltage frequency conversion manual bypass cabinet with a self-locking effect according to claim 3, characterized in that the end face of the front plate (3) is fixedly connected with three electromagnetic locks (35), two limit openings (36) are formed in the side faces of the three turntables (29), and the output ends of the three electromagnetic locks (35) correspond to the limit openings (36) in the same position of the three turntables (29).
5. A high-voltage variable-frequency manual bypass cabinet with a self-locking effect according to claim 3, wherein a threaded opening (37) is formed in the arc surface of the rotary disc (29), and a switch rod (38) is arranged in one of the threaded openings (37) in a threaded fit manner.
6. The high-voltage variable-frequency manual bypass cabinet with a self-locking effect according to claim 1, wherein an arc-shaped plate (39) is arranged on the side face of the circular plate (11), a sleeve (40) is fixedly connected to one side of the arc-shaped plate (39), a push rod (41) is slidably arranged in the sleeve (40), a spring II (42) is arranged between the sleeve (40) and the push rod (41), two ends of the spring II (42) are fixedly connected with the side faces of the sleeve (40) and the push rod (41) respectively, a semicircle (43) is fixedly connected to one end of the push rod (41), and two clamping grooves (44) clamped with the semicircle (43) are formed in the side face of the circular plate (11).
7. The high-voltage variable-frequency manual bypass cabinet with the self-locking effect according to claim 1, wherein a telescopic rod (45) for rotating the circular plate (11) is fixedly connected to the side surface of the circular plate (11).
8. A high voltage variable frequency manual bypass cabinet with self locking effect according to claim 1, characterized in that the bottom of the first locking lever (14) is provided with a bevel (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111648689.5A CN114336339B (en) | 2021-12-29 | 2021-12-29 | Manual bypass cabinet of high pressure frequency conversion with auto-lock effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111648689.5A CN114336339B (en) | 2021-12-29 | 2021-12-29 | Manual bypass cabinet of high pressure frequency conversion with auto-lock effect |
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| Publication Number | Publication Date |
|---|---|
| CN114336339A CN114336339A (en) | 2022-04-12 |
| CN114336339B true CN114336339B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111648689.5A Active CN114336339B (en) | 2021-12-29 | 2021-12-29 | Manual bypass cabinet of high pressure frequency conversion with auto-lock effect |
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| CN114336339A (en) | 2022-04-12 |
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