CN113346397B - Low-voltage drawer type switch cabinet with interlocking mechanism and use method thereof - Google Patents
Low-voltage drawer type switch cabinet with interlocking mechanism and use method thereof Download PDFInfo
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- CN113346397B CN113346397B CN202110823803.7A CN202110823803A CN113346397B CN 113346397 B CN113346397 B CN 113346397B CN 202110823803 A CN202110823803 A CN 202110823803A CN 113346397 B CN113346397 B CN 113346397B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 17
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 206010014357 Electric shock Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Trip Switchboards (AREA)
Abstract
The invention belongs to the technical field of electrical equipment, and particularly relates to a low-voltage drawer type switch cabinet with a linkage mechanism and a use method thereof.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a low-voltage drawer type switch cabinet with a linkage mechanism and a use method thereof.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz, and a power distribution system with the rated voltage of 380v is used as power, and the power conversion and control of illumination and power distribution are realized.
At present, most of drawer units adopting pull type are designed based on a manual operation mode, and the anti-misoperation interlocking mechanism is not applicable to the anti-misoperation interlocking requirements under an electric operation mode. Because the electric operation drawer has no handle and the matched interlocking mechanism measures, the electric operation drawer is quite unsafe, some users do not know attention matters, and the electric operation drawer can be directly pulled out when electrified, so that the electric operation drawer is very dangerous and has larger potential safety hazard. Because the structure problem is that the drawer electric operating loop is easy to operate in a live mode and has no mechanical locking, the closing and opening can only be operated through the electric loop, so that the drawer electric operating loop can not be pulled out to a test position when the electric operation is in a working position closing state, and the drawer electric operating loop is pulled out under the closing condition, at the moment, the live operation does not accord with the overhaul test rules, the operation is unsafe, the operation of the electric loop is unstable, and the potential safety hazard of low-voltage power distribution system faults or personal accidents is easily caused.
The existing electric operation drawer unit manufactured by factories only depends on 1 set of interlocking mechanism to realize the interlocking circuit breaking operation with universal applicability due to the difference of the specifications and the installation positions of the circuit breakers in the actual use process, and one path of miniature circuit breakers must be added to connect with a control circuit in the drawer unit, so that the purchasing and maintenance cost of a plurality of sets of circuit breakers is increased for a low-voltage power distribution cabinet, the current main flow sustainable development concept of saving is not met, and the market competitiveness of the power distribution cabinet is also reduced.
Disclosure of Invention
The electric operation drawer unit in the power distribution cabinet manufactured by the existing manufacturer can not realize the linkage circuit breaking operation with universal applicability only by 1 set of linkage mechanism, and the cost is increased after the miniature circuit breaker is matched for use, so that the product selling is not facilitated. The invention provides a low-voltage drawer type switch cabinet with a linkage mechanism and a use method thereof.
The invention provides the following technical scheme: the utility model provides a take interlocking mechanism's low pressure drawer type cubical switchboard, includes drawer, link gear, insulating rope, tension adjustment mechanism, circuit breaker mechanism, the front end of drawer rotates and installs the lock, link gear is installed to the inboard of drawer front end, link gear includes the baffle, the medial surface of the drawer of baffle downside rotates and installs pulley one, gear two, gear three, the one end of the side fixed connection insulating rope of pulley one, the other end fixed connection pulley six's side of insulating rope just insulating rope has pulley two, pulley three, pulley four, pulley five in proper order sliding connection, pulley six rotation are installed on circuit breaker mechanism, circuit breaker mechanism includes the rear cross rod, the side of rear cross rod's both ends fixed connection side, side fixed connection backplate two and fixed mounting are on the drawer through the bolt, the upper and lower both sides fixed connection of side lever front end face have upper screw rod and lower screw rod, upper and lower slider on the upper screw rod respectively sliding mounting, the upper and lower slider end face fixed connection insulating rope's one end, the upper and lower slider fixed connection end plate, the upper end plate and the lower slider fixed connection, the end plate fixed connection is installed through the upper end plate and the screw rod fixed connection, the screw rod fixed connection is installed to the side of the screw rod, six end plates fixed connection, the end plate is installed through the side of the screw rod fixed connection. The pulley is installed on the front end face of the sliding seat in a five-rotation mode.
The pulley II and the pulley III are rotatably arranged on the same inner side surface of the drawer, an included angle between the vertical projection of the axis of the pulley I and the axis of the pulley II on a horizontal plane is 90 degrees, an included angle between the vertical projection of the axis of the pulley III and the axis of the pulley IV on the horizontal plane is 90 degrees, and the middle sections of the pulley IV, the pulley V and the pulley VI are on the same vertical plane; pulley block accessible insulating rope linkage link gear and circuit breaking mechanism that pulley one, pulley two, pulley three, pulley four, pulley five, pulley six of following drawer inner wall installation can avoid taking the main installation operation area in the drawer on the one hand, and on the other hand still has the advantage that the arrangement cost is low, and can effectively reduce operating personnel's electric shock risk when switching the circuit.
The baffle is of a shell structure with a through bottom end, the side surface of the baffle is fixedly connected with the inner side surface of the drawer, a through groove for a lock tongue of a door lock to rotate is formed in the upper side of the baffle, the first gear is coaxially arranged with the pulley, the second gear is engaged with the first gear and connected with the second gear on one side, the second gear is engaged with the third gear on the other side, and one end of a rotating shaft of the third gear is fixedly connected with one end of a lock rod of the door lock; when a user rotates the door lock to withdraw the drawer, the door lock can drive the insulating rope to move through linkage of the linkage mechanism, and the drawer is opened and broken at the same time through a safe and stable mechanical structure.
The pressing rod is a polytetrafluoroethylene cylinder, the pressing mechanism comprises a connecting rod, the connecting rod is of a polygonal column structure, one end of the connecting rod is fixedly connected with a rotating shaft of a pulley six, a limiting plate I, a limiting plate II and a driving gear are sleeved on the outer side of the connecting rod in a sliding mode, the driving gear is meshed with a rack arranged on a fixing rod, the side face of the fixing rod is connected with a groove body formed in the top face of the outer shell in a sliding mode, and the bottom end of the fixing rod is fixedly connected with the top face of the front cross rod; when the insulating rope is drawn, the driving gear can be driven to rotate so as to be meshed with the rack to vertically move, and therefore the front cross rod is pressed down to enable the pressure rod to push the breaker switch arranged on the lower side of the breaking mechanism to achieve breaking.
The first limiting plate and the second limiting plate are polytetrafluoroethylene cylinders with annular grooves formed in the side surfaces, and through holes for rotatably mounting the first limiting plate and the second limiting plate are formed in the side surfaces of the outer shell; the drive gear can slide back and forth on the connecting rod to cooperate the front cross bar to adjust back and forth, limiting plate one, limiting plate two can avoid drive gear to take place to rock.
Two nuts are connected to the upper screw rod and the lower screw rod in a threaded manner, and the nuts are clamped and fixed on the front side and the rear side of the upper sliding block and the lower sliding block; the device can be suitable for pressing the switches of the circuit breakers with different specifications by sliding and adjusting the positions of the upper slide block and the lower slide block back and forth.
The side rod and the mounting backboard in the circuit breaking mechanism are respectively fixedly clamped on the front side and the rear side of the rear end face of the drawer through bolts penetrating through the mounting holes; the circuit breaking mechanism can be arranged on the upper side of the circuit breaker arranged at any position on the rear side surface of the drawer through the mounting hole, and the mounting flexibility and applicability are high.
The guide rail is provided with a sliding groove on the side surface, a lug which is connected with the sliding groove in a sliding way is fixedly arranged on the inner side surface of the sliding seat, and the screw rod is a trapezoidal screw rod; the sliding seat is driven to vertically move by rotating the lead screw, so that the tension of the insulating rope is regulated and maintained, and the device works stably.
The application method of the low-voltage drawer type switch cabinet with the interlocking mechanism comprises the following steps:
S1, according to the installation position of the circuit breaker, arranging a second installation backboard on the rear side of the drawer, connecting a side rod and the second installation backboard through bolts, installing a circuit breaking mechanism on the periphery side of the circuit breaker, enabling a rear cross rod to be positioned above the circuit breaker, enabling the side rod to be positioned on the left side and the right side of the circuit breaker, adjusting and fixing the front and rear positions of an upper sliding block and a lower sliding block through a rotating nut, and enabling the bottom end of a compression rod to be tightly attached to the top of a circuit breaker switch in a closed circuit state;
S2, arranging a first mounting backboard on the rear side of the drawer, connecting the guide rail with the first mounting backboard through bolts, mounting a tension adjusting mechanism on one side of the circuit breaking mechanism, and then manually rotating a lead screw to enable a sliding seat to move up and down, and further driving a pulley V to move, so that an insulating rope is adjusted to be proper in tension;
s3, horizontally feeding the drawer into a drawer groove formed in the cabinet body, and rotating the door lock to enable a lock tongue of the door lock to be clamped into a lock box in the cabinet body;
S4, rotating the door lock in a locked state in an initial state, enabling a lock tongue of the door lock to move out of a lock box on the cabinet body, enabling a lock rod of the door lock to drive a pulley I to rotate through a linkage mechanism, further pulling one end of an insulating rope, driving a driving gear in a circuit breaking mechanism to rotate through a pulley II, enabling a fixing rod to move downwards, enabling a pressing rod to press a circuit breaker switch to be in a circuit breaking state, and achieving the purpose of opening the cabinet and interlocking and power-off.
The beneficial effects of the invention are as follows: the pulley blocks formed by the pulley I, the pulley II, the pulley III, the pulley IV, the pulley V and the pulley VI which are arranged along the inner wall of the drawer can be linked with the linkage mechanism and the circuit breaking mechanism through the insulating rope, so that the main installation operation area in the drawer can be prevented from being occupied, and the advantages of low arrangement cost and capability of effectively reducing the electric shock risk of operators when switching circuits are achieved; when a user rotates the door lock to withdraw the drawer, the door lock can drive the insulating rope to move through the linkage of the linkage mechanism, and the drawer is opened and simultaneously is subjected to the work of breaking the circuit through a safe and stable mechanical structure; when the insulating rope is drawn, the driving gear can be driven to rotate so as to engage the rack to vertically move, so that the front cross rod is pressed down to push the pressure bar to push the breaker switch arranged on the lower side of the breaking mechanism to break the circuit; the driving gear can slide back and forth on the connecting rod, so that the driving gear can be adjusted back and forth by being matched with the front cross rod, and the first limiting plate and the second limiting plate can avoid shaking of the driving gear;
The device can be suitable for pressing the switches of the circuit breakers with different specifications by sliding and adjusting the positions of the upper slide block and the lower slide block back and forth; the circuit breaking mechanism can be arranged on the upper side of the circuit breaker arranged at any position on the rear side surface of the drawer through the mounting hole, so that the mounting flexibility and the applicability are strong; the sliding seat is driven to vertically move by rotating the lead screw, so that the tension of the insulating rope is regulated and maintained, and the device works stably.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a linkage mechanism according to the present invention;
FIG. 4 is a schematic view of a tension adjusting mechanism according to the present invention;
fig. 5 is a schematic structural view of a circuit breaking mechanism according to the present invention;
FIG. 6 is a schematic view of a pressing mechanism according to the present invention;
FIG. 7 is a schematic view of a first limiting plate according to the present invention;
In the figure: 1. a drawer; 2. a door lock; 3. a linkage mechanism; 301. a baffle; 302. a first gear; 303. a second gear; 304. a third gear; 4. an insulating rope; 5. a pulley I; 6. a second pulley; 7. a third pulley; 8. a fourth pulley; 9. fifth pulley; 10. a pulley six; 11. a tension adjusting mechanism; 1101. a guide rail; 1102. mounting a first backboard; 1103. a screw rod; 1104. an end plate; 1105. a slide; 1106. a chute; 12. a circuit breaking mechanism; 1201. a rear cross bar; 1202. a side bar; 1203. mounting a second backboard; 1204. a screw rod is arranged; 1205. a lower screw; 1206. an upper slider; 1207. a nut; 1208. a guide rod; 1209. a spring; 1210. a front cross bar; 1211. a compression bar; 1212. a pressing mechanism; 12121. a connecting rod; 12122. a first limiting plate; 12123. a limiting plate II; 12124. a drive gear; 12125. a fixed rod; 12126. a rack; 12127. an outer housing; 1213. a lower slide block; 13. and (5) mounting holes.
Detailed Description
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a take interlocking mechanism's low pressure drawer type switch cabinet, includes drawer (1), link gear (3), insulating rope (4), rate of tension adjustment mechanism (11), shutdown mechanism (12), door lock (2) are installed in the front end rotation of drawer (1), link gear (3) are installed to the inboard of drawer (1) front end, link gear (3) include baffle (301), pulley one (5), gear one (302), gear two (303), gear three (304) are installed in the medial surface rotation of drawer (1) of baffle (301) downside, the one end of side fixed connection insulating rope (4) of pulley one (5), the side of the other end fixed connection pulley six (10) of insulating rope (4), just insulating rope (4) sliding connection in proper order has pulley two (6), pulley three (7), pulley four (8), pulley five (9), pulley six (10) rotate and install on shutdown mechanism (12), shutdown mechanism (12) include rear cross bar (1201), rear end side fixed connection is at the side of side bar (1201) and fixed connection side bar (1201) is installed on backplate (1201), the upper side and the lower side of the front end face of the side rod (1202) are fixedly connected with an upper screw rod (1204) and a lower screw rod (1205), an upper slide block (1206) and a lower slide block (1213) are respectively and slidably arranged on the upper screw rod (1204) and the lower screw rod (1205), the upper slide block (1206) and the lower slide block (1213) are fixedly connected with the upper end face and the lower end face of a guide rod (1208), a spring (1209) is sleeved on the guide rod (1208) and is slidably provided with a front cross rod (1210), the upper screw rod (1204) and the lower screw rod (1205) are respectively and threadedly connected with a nut (1207), the bottom face of the front cross rod (1210) is fixedly provided with a compression rod (1211), the front end face of a rear cross rod (1201) is rotatably connected with a rotating shaft of a pulley six (10), one end of the rotating shaft of the pulley six (10) is connected with a pressing mechanism (1212), the tension adjusting mechanism (11) comprises a guide rail 1103, the guide rail (1101) is fixedly connected with a back plate (1102) and is fixedly arranged on the drawer (1) through a bolt, the upper end plate (1101) is fixedly connected with the upper end plate (1101) and the lower end plate (1101) is fixedly connected with the two ends of the guide rail (1101), the fifth pulley (9) is rotatably mounted on the front end surface of the sliding seat (1105).
The pulley II (6) and the pulley III (7) are rotatably arranged on the same inner side surface of the drawer (1), the included angle between the vertical projection of the axis of the pulley I (5) and the axis of the pulley II (6) on the horizontal plane is 90 degrees, the included angle between the vertical projection of the axis of the pulley III (7) and the axis of the pulley IV (8) on the horizontal plane is 90 degrees, and the middle sections of the pulley IV (8), the pulley V (9) and the pulley V (10) are on the same vertical plane; pulley one (5), pulley two (6), pulley three (7), pulley four (8), pulley five (9), pulley six (10) of installation along drawer (1) inner wall are assembly pulley accessible insulating rope (4) linkage link gear (3) and circuit breaking mechanism (12), can avoid on the one hand occupying the main installation operation area in drawer (1), and on the other hand still have the advantage that the arrangement cost is low, and can effectively reduce operating personnel's electric shock risk when switching the circuit.
The baffle plate (301) is of a shell structure with a through bottom end, the side surface of the baffle plate (301) is fixedly connected with the inner side surface of the drawer (1), a through groove for a lock tongue of the door lock (2) to rotate is formed in the upper side of the baffle plate (301), the first gear (302) and the first pulley (5) are coaxially arranged, the first gear (302) is meshed with the second gear (303) on one side, the second gear (303) is meshed with the third gear (304) on the other side, and one end of a rotating shaft of the third gear (304) is fixedly connected with one end of a lock rod of the door lock (2); when a user rotates the door lock (2) to withdraw the drawer (1), the door lock (2) can drive the insulating rope (4) to move through the linkage of the linkage mechanism (3), and the drawer (1) can be opened and simultaneously broken by the safe and stable mechanical structure.
The pressing rod (1211) is a polytetrafluoroethylene cylinder, the pressing mechanism (1212) comprises a connecting rod (12121), the connecting rod (12121) is of a polygonal prism structure, one end of the connecting rod (12121) is fixedly connected with a rotating shaft of a pulley six (10), a limiting plate I (12122), a limiting plate II (12123) and a driving gear (12124) are sleeved on the outer side of the connecting rod (12121) in a sliding mode, the driving gear (12124) is meshed with a rack (12126) arranged on a fixing rod (12125), the side face of the fixing rod (12125) is connected with a groove body formed in the top face of a shell (12127) in a sliding mode, and the bottom end of the fixing rod (12125) is fixedly connected with the top face of a front transverse rod (1210); when the insulating rope (4) is drawn, the driving gear (12124) can be driven to rotate so as to be meshed with the rack (12126) to vertically move, so that the front cross bar (1210) is pressed down, and the press bar (1211) pushes a breaker switch arranged on the lower side of the breaking mechanism (12) to break the circuit.
The first limiting plate (12122), the second limiting plate (12123) and the driving gear (12124) are provided with through grooves which are communicated with each other through sliding connection connecting rods (12121), the end faces of the two ends of the driving gear (12124) are in sliding fit with the side faces of the first limiting plate (12122) and the second limiting plate (12123), the first limiting plate (12122) and the second limiting plate (12123) are polytetrafluoroethylene cylinders with annular grooves formed in the side faces, and through holes for rotatably mounting the first limiting plate (12122) and the second limiting plate (12123) are formed in the side faces of the outer shell (12127); the driving gear (12124) can slide back and forth on the connecting rod (12121) so as to be matched with the front transverse rod (1210) to adjust back and forth, and the first limiting plate (12122) and the second limiting plate (12123) can avoid shaking of the driving gear (12124).
Two nuts (1207) are connected to each upper screw (1204) and each lower screw (1205) in a threaded manner, and the nuts (1207) are clamped and fixed on the front side and the rear side of the upper sliding block (1206) and the lower sliding block (1213); the device can be suitable for pressing the switches of the circuit breakers with different specifications by sliding and adjusting the positions of the upper slide block (1206) and the lower slide block (1213) forwards and backwards.
A plurality of mounting holes (13) are formed in the rear end face of the drawer (1) in an orderly penetrating mode, and side rods (1202) and mounting backboard two (1203) in the breaking mechanism (12) are respectively and fixedly clamped on the front side and the rear side of the rear end face of the drawer (1) through bolts penetrating through the mounting holes (13); the circuit breaking mechanism (12) can be arranged on the upper side of the circuit breaker arranged at any position on the rear side surface of the drawer (1) through the mounting hole (13), and the mounting flexibility and applicability are high.
A sliding groove (1106) is formed in the side face of the guide rail (1101), a lug which is connected with the sliding groove (1106) in a sliding mode is fixedly arranged on the inner side face of the sliding seat (1105), and the lead screw (1103) is a trapezoidal lead screw; the sliding seat (1105) is driven to vertically move by rotating the lead screw (1103), so that the tension of the insulating rope (4) is regulated and maintained, and the device works stably.
The application method of the low-voltage drawer type switch cabinet with the interlocking mechanism comprises the following steps:
s1, according to the installation position of a circuit breaker, arranging an installation backboard II (1203) on the rear side of a drawer (1), connecting a side rod (1202) and the installation backboard II (1203) through bolts, installing a circuit breaking mechanism (12) on the periphery of the circuit breaker, enabling a rear cross rod (1201) to be positioned above the circuit breaker, enabling the side rod (1202) to be positioned on the left side and the right side of the circuit breaker, and then rotating nuts (1207) to adjust and fix the front and rear positions of an upper slide block (1206) and a lower slide block (1213), so that the bottom end of a pressing rod (1211) is tightly attached to the top of a circuit breaker switch in a closed circuit state;
S2, arranging a first mounting backboard (1102) on the rear side of the drawer (1), connecting a guide rail (1101) and the first mounting backboard (1102) through bolts, mounting a tension adjusting mechanism (11) on one side of a breaking mechanism (12), then manually rotating a lead screw (1103) to enable a sliding seat (1105) to move up and down, and further driving a pulley five (9) to move to enable an insulating rope (4) to be adjusted to a proper tension;
S3, horizontally feeding the drawer (1) into a drawer groove formed in the cabinet body, and rotating the door lock (2) to enable a lock tongue of the door lock (2) to be clamped into a lock box in the cabinet body;
s4, rotating the door lock (2) in a locked state in an initial state, enabling a lock tongue of the door lock (2) to move out of a lock box on the cabinet body, enabling a lock rod of the door lock (2) to drive a pulley I (5) to rotate through a linkage mechanism (3), further pulling one end of an insulating rope (4), driving a driving gear 12124 in a circuit breaking mechanism (12) to rotate through a pulley VI (10), further enabling a fixing rod (12125) to move downwards, finally enabling a press rod (1211) to press a circuit breaker switch to be in a circuit breaking state, and achieving the purpose of opening the cabinet to be interlocked and powered off.
The working principle and the using flow of the invention are as follows: the second mounting backboard (1203) is arranged at the rear side of the drawer (1), the side rod (1202) and the second mounting backboard (1203) are connected through bolts, the circuit breaking mechanism (12) is mounted at the periphery side of the circuit breaker, the rear cross rod (1201) is positioned above the circuit breaker, the side rod (1202) is positioned at the left side and the right side of the circuit breaker, the nuts (1207) are rotated to adjust and fix the front position and the rear position of the upper sliding block (1206) and the lower sliding block (1213), and the bottom end of the pressing rod (1211) is tightly attached to the top of the circuit breaker switch in a closed state;
The first installation backboard (1102) is arranged at the rear side of the drawer (1), the guide rail (1101) is connected with the first installation backboard (1102) through bolts, the tension adjusting mechanism (11) is arranged at one side of the breaking mechanism (12), then the screw (1103) is manually rotated, the sliding seat (1105) and the screw (1103) generate spiral pair motion, the sliding seat (1105) moves up and down under the limiting action of the sliding groove (1106), and the pulley five (9) is driven to move, so that the insulating rope (4) is adjusted to be at proper tension;
Horizontally feeding the drawer (1) into a drawer groove at the beginning in the cabinet body, and rotating the door lock (2) to enable a lock tongue of the door lock (2) to be clamped into a lock box in the cabinet body;
the door lock (2) in a locking state is rotated in an initial state, so that a lock tongue of the door lock (2) moves out of a lock box on a cabinet body, at the moment, a lock rod of the door lock (2) drives a gear III (304) to rotate, the gear III (304) is meshed with a gear I (302) to synchronously rotate through a gear II (303), a pulley I (5) is driven to rotate when the gear I (302) rotates, one end of an insulating rope (4) is pulled out, the insulating rope (4) and a pulley II (6), a pulley III (7), a pulley IV (8) and a pulley V (9) generate sliding friction, the pulley VI (10) is driven to rotate, the pulley VI (10) drives a driving gear (12124) to rotate through a connecting rod (12121), at the moment, a limiting plate I (12122) and a limiting plate II (12123) rotate on an outer shell (12127), and a connecting rack (12126) is meshed when the driving gear (12124) rotates, so that a fixing rod (12125) moves downwards to push a pressing rod (1211), and the switch of the down circuit breaker is physically switched to a circuit breaker to a circuit breaking state, and the circuit breaking state is interlocked;
after the operator releases the door lock (2), the door lock (2) is reset, and the fixing rod (12125) and the front cross rod (1210) are reset by matching with the elastic support of the spring (1209), so that the tension of the insulating rope (4) is kept unchanged.
Claims (6)
1. A take interlocking device's low pressure drawer type cubical switchboard, its characterized in that: comprises a drawer, a linkage mechanism, an insulating rope, a tension adjusting mechanism and a breaking mechanism, wherein the front end of the drawer is rotationally provided with a door lock, the inner side of the front end of the drawer is provided with the linkage mechanism, the linkage mechanism comprises a baffle, the inner side surface of the drawer at the lower side of the baffle is rotationally provided with a pulley I, a gear II and a gear III, the side surface of the pulley I is fixedly connected with one end of the insulating rope, the other end of the insulating rope is fixedly connected with the side surface of the pulley II, the pulley III, the pulley IV and the pulley V, the pulley II is rotationally arranged on the breaking mechanism, the breaking mechanism comprises a rear cross rod, the two ends of the rear cross rod are fixedly connected with the side surface of a side rod, the side rod is fixedly connected with a back plate II through bolts and is fixedly arranged on the drawer, the upper and lower sides of the front end face of the side rod are fixedly connected with an upper screw rod and a lower screw rod, the upper screw rod and the lower screw rod are respectively and slidably provided with an upper sliding block and a lower sliding block, the upper sliding block and the lower sliding block are fixedly connected with the upper end face and the lower end face of a guide rod, the guide rod is sleeved with a spring and is slidably provided with a front cross rod, the upper screw rod and the lower screw rod are both in threaded connection with nuts, the bottom face of the front cross rod is fixedly provided with a compression bar, a rotating shaft of the pulley is rotationally connected with the front end face of a rear cross rod, one end of the pulley is connected with a pressing mechanism, the tension adjusting mechanism comprises a guide rail, the guide rail is fixedly connected with a first backboard and fixedly arranged on a drawer through bolts, the upper end and the lower end of the side face of the guide rail are fixedly connected with end plates, the end plates are rotationally connected with the upper end and the lower end of a guide screw rod, the screw rod is in threaded connection with a sliding seat on one side of the guide rail, the pulley is rotatably arranged on the front end face of the sliding seat;
The baffle is of a shell structure with a through bottom end, the side surface of the baffle is fixedly connected with the inner side surface of the drawer, a through groove for a lock tongue of a door lock to rotate is formed in the upper side of the baffle, the first gear and the pulley are coaxially arranged, the first gear is meshed with the second gear on one side, the second gear is meshed with the third gear on the other side, and one end of a rotating shaft of the third gear is fixedly connected with one end of a lock rod of the door lock;
The pressing rod is a polytetrafluoroethylene cylinder, the pressing mechanism comprises a connecting rod, the connecting rod is of a polygonal column structure, one end of the connecting rod is fixedly connected with a rotating shaft of a pulley six, a limiting plate I, a limiting plate II and a driving gear are sleeved on the outer side of the connecting rod in a sliding manner, the driving gear is meshed with a rack arranged on a fixing rod, the side surface of the fixing rod is in sliding connection with a groove body formed in the top surface of an outer shell, and the bottom end of the fixing rod is fixedly connected with the top surface of a front cross rod;
The first limiting plate, the second limiting plate and the driving gear are provided with through grooves which are communicated with each other and are provided with connecting rods in a sliding mode, end faces of two ends of the driving gear are in sliding fit with the side faces of the first limiting plate and the second limiting plate, the first limiting plate and the second limiting plate are polytetrafluoroethylene cylinders with annular grooves formed in the side faces, and through holes for rotatably installing the first limiting plate and the second limiting plate are formed in the side faces of the outer shell.
2. A low voltage drawer type switch cabinet with interlocking mechanism as claimed in claim 1, wherein: the pulley II and the pulley III are rotatably arranged on the same inner side surface of the drawer, the included angle between the vertical projection of the axis of the pulley I and the axis of the pulley II on the horizontal plane is 90 degrees, the included angle between the vertical projection of the axis of the pulley III and the axis of the pulley IV on the horizontal plane is 90 degrees, and the middle sections of the pulley IV, the pulley V and the pulley V are on the same vertical plane.
3. A low voltage drawer type switch cabinet with interlocking mechanism as claimed in claim 1, wherein: and each upper screw rod and each lower screw rod are connected with two nuts in a threaded manner, and the nuts are clamped and fixed on the front side and the rear side of the upper sliding block and the lower sliding block.
4. A low voltage drawer type switch cabinet with interlocking mechanism as claimed in claim 1, wherein: the rear end face of the drawer is sequentially penetrated and provided with a plurality of mounting holes, and a side rod and a mounting backboard in the circuit breaking mechanism are respectively and fixedly clamped on the front side and the rear side of the rear end face of the drawer through bolts penetrating through the mounting holes.
5. A low voltage drawer type switch cabinet with interlocking mechanism as claimed in claim 1, wherein: the side of guide rail has seted up the spout, the medial surface of slide is fixed to be equipped with the lug of sliding connection spout, the lead screw is trapezoidal lead screw.
6. A method of using a low voltage drawer type switch cabinet with a linkage mechanism, the method of using being applicable to the low voltage drawer type switch cabinet with a linkage mechanism of any one of claims 1 to 5, characterized in that: the method comprises the following steps:
S1, according to the installation position of the circuit breaker, arranging a second installation backboard on the rear side of the drawer, connecting a side rod and the second installation backboard through bolts, installing a circuit breaking mechanism on the periphery side of the circuit breaker, enabling a rear cross rod to be positioned above the circuit breaker, enabling the side rod to be positioned on the left side and the right side of the circuit breaker, adjusting and fixing the front and rear positions of an upper sliding block and a lower sliding block through a rotating nut, and enabling the bottom end of a compression rod to be tightly attached to the top of a circuit breaker switch in a closed circuit state;
S2, arranging a first mounting backboard on the rear side of the drawer, connecting the guide rail with the first mounting backboard through bolts, mounting a tension adjusting mechanism on one side of the circuit breaking mechanism, and then manually rotating a lead screw to enable a sliding seat to move up and down, and further driving a pulley V to move, so that an insulating rope is adjusted to be proper in tension;
s3, horizontally feeding the drawer into a drawer groove formed in the cabinet body, and rotating the door lock to enable a lock tongue of the door lock to be clamped into a lock box in the cabinet body;
S4, rotating the door lock in a locked state in an initial state, enabling a lock tongue of the door lock to move out of a lock box on the cabinet body, enabling a lock rod of the door lock to drive a pulley I to rotate through a linkage mechanism, further pulling one end of an insulating rope, driving a driving gear in a circuit breaking mechanism to rotate through a pulley II, enabling a fixing rod to move downwards, enabling a pressing rod to press a circuit breaker switch to be in a circuit breaking state, and achieving the purpose of opening the cabinet and interlocking and power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110823803.7A CN113346397B (en) | 2021-07-21 | 2021-07-21 | Low-voltage drawer type switch cabinet with interlocking mechanism and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110823803.7A CN113346397B (en) | 2021-07-21 | 2021-07-21 | Low-voltage drawer type switch cabinet with interlocking mechanism and use method thereof |
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| CN113346397A CN113346397A (en) | 2021-09-03 |
| CN113346397B true CN113346397B (en) | 2024-04-19 |
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| CN202110823803.7A Active CN113346397B (en) | 2021-07-21 | 2021-07-21 | Low-voltage drawer type switch cabinet with interlocking mechanism and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114123006B (en) * | 2022-01-25 | 2022-04-15 | 山东万海电气科技有限公司 | Drawer type low-voltage switch cabinet with locking mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203850695U (en) * | 2014-04-15 | 2014-09-24 | 广东正诚电气科技有限公司 | Electrically-operated moulded case circuit breaker and drawer cabinet laminate interlocking mechanism |
| WO2017153492A1 (en) * | 2016-03-09 | 2017-09-14 | Soreel Societe De Realisation D'equipements Electriques | Drawer intended to be mounted in an electrical enclosure |
| CN111900659A (en) * | 2020-08-07 | 2020-11-06 | 汪华衡 | Low-voltage draw-out type switch cabinet |
-
2021
- 2021-07-21 CN CN202110823803.7A patent/CN113346397B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203850695U (en) * | 2014-04-15 | 2014-09-24 | 广东正诚电气科技有限公司 | Electrically-operated moulded case circuit breaker and drawer cabinet laminate interlocking mechanism |
| WO2017153492A1 (en) * | 2016-03-09 | 2017-09-14 | Soreel Societe De Realisation D'equipements Electriques | Drawer intended to be mounted in an electrical enclosure |
| CN111900659A (en) * | 2020-08-07 | 2020-11-06 | 汪华衡 | Low-voltage draw-out type switch cabinet |
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| CN113346397A (en) | 2021-09-03 |
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