CN109038339B - Propelling mechanism, propelling interlocking device and switch drawer unit - Google Patents
Propelling mechanism, propelling interlocking device and switch drawer unit Download PDFInfo
- Publication number
- CN109038339B CN109038339B CN201710437964.6A CN201710437964A CN109038339B CN 109038339 B CN109038339 B CN 109038339B CN 201710437964 A CN201710437964 A CN 201710437964A CN 109038339 B CN109038339 B CN 109038339B
- Authority
- CN
- China
- Prior art keywords
- drawer unit
- connecting rod
- switch drawer
- supporting plate
- guide structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 145
- 238000000605 extraction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention provides a propelling mechanism, a propelling interlocking device and a switch drawer unit, wherein the propelling mechanism comprises a switch drawer unit supporting plate, two sliding mechanisms and a connecting rod mechanism which are arranged in parallel; the sliding mechanism and the connecting rod mechanism are arranged on the switch drawer unit supporting plate; the connecting rod mechanism comprises a driving connecting rod, a first connecting rod, two first swinging rods and two push rods; the middle part of the driving connecting rod is hinged on the switch drawer unit supporting plate, and the first end of the driving connecting rod is hinged with the first end of the first connecting rod; the switch drawer unit supporting plate is provided with a first guide structure; the first end of the first swinging rod is hinged on the switch drawer unit supporting plate, and the second end of the first swinging rod is provided with a second guide structure; the first pin shaft passes through the second end of the first connecting rod and is connected with the first guide structure and the second guide structure; each push rod is connected with the first swing rod and the sliding mechanism moving part respectively. The pushing mechanism realizes simultaneous pushing and pulling in and pulling out at multiple points, and avoids the conditions of uneven force, deflection and the like during pushing in or pulling out.
Description
Technical Field
The invention relates to the technical field of mechanical link mechanisms, in particular to a propelling mechanism, a propelling interlocking device and a switch drawer unit.
Background
The propulsion device is widely applied to devices which need to be frequently pushed in and pulled out, and the conventional propulsion device in the prior art mainly comprises a manual propulsion mode and a worm gear propulsion mode, but the manual propulsion mode and the worm gear propulsion mode have own defects, particularly when the propulsion device is applied to a pull-out power distribution cabinet.
The switch drawer unit is used as a main electric energy distribution component of the extraction type power distribution cabinet, and when the switch drawer unit is pushed in or extracted, the stability and the synchronization of pushing in and extracting are required to be ensured, so that the problem that the switch drawer unit cannot be simultaneously connected or disconnected with a circuit or other components when being pushed in or extracted is avoided. The manual pushing mode is often uneven in force, and stable and synchronous pushing cannot be guaranteed; the worm wheel and worm is pushed in a plurality of single points, and deflection is easy to occur during pushing in. Therefore, both manual propulsion and worm and gear propulsion modes cannot meet the requirements of the propulsion device of the extraction type power distribution cabinet.
Disclosure of Invention
The embodiment of the invention aims to provide a pushing mechanism, a pushing interlocking device and a switch drawer unit, so as to solve the problems that when the pushing mechanism is pushed in or pulled out of the switch drawer unit, uneven force and deflection are easy to occur.
According to an aspect of the embodiment of the invention, the invention provides a propulsion mechanism, which comprises a switch drawer unit supporting plate, two sliding mechanisms and a connecting rod mechanism, wherein the two sliding mechanisms are arranged in parallel; the sliding mechanism and the connecting rod mechanism are arranged on the switch drawer unit supporting plate; the sliding mechanism comprises a moving part and a fixing part, the fixing part is arranged on the switch drawer unit supporting plate, and the moving part is arranged on the fixing part in a relatively sliding manner; the connecting rod mechanism is hinged with the two moving parts of the two sliding mechanisms respectively and drives the two moving parts to synchronously move; the connecting rod mechanism comprises a driving connecting rod, a first connecting rod, two first swinging rods and two push rods; the middle part of the driving connecting rod is hinged on the switch drawer unit supporting plate, and the first end of the driving connecting rod is hinged with the first end of the first connecting rod; a first guide structure is arranged on the switch drawer unit supporting plate; the first ends of the two first swinging rods are hinged on the switch drawer unit supporting plate, and the second ends of the two first swinging rods are provided with second guide structures; the first pin shaft passes through the second end of the first connecting rod and is respectively connected with the first guide structure and the second guide structures of the two first swinging rods; one end of each push rod is connected with a first swinging rod, and the other end of each push rod is connected with a moving part.
Optionally, two hinge points of the two first swinging rods and the switch drawer unit supporting plate are respectively positioned at the outer sides of the two sliding mechanisms, one end of each push rod is connected with the middle part of one first swinging rod, and the other end of each push rod is connected with one moving part; and/or the two sliding mechanisms, the two first swinging rods and the two pushing rods are symmetrically arranged by taking the first guide structure as a center.
Optionally, the first guiding structure is a guiding groove; and/or the second guide structure is a guide groove; and/or the second end of the driving connecting rod is provided with a handle.
Optionally, the connection of the drive link and the switch drawer unit tray is located in the extension direction of the first guide structure.
Another aspect of the embodiments of the present invention provides a push-in linkage device, including the above-mentioned push-in mechanism, where the push-in linkage device further includes a linkage mechanism, and the linkage mechanism may be matched with the link mechanism, so as to lock or unlock the link mechanism. Optionally, the push interlock further comprises a circuit breaker comprising an operating handle which can drive the interlock mechanism for locking or unlocking the linkage mechanism.
Optionally, the interlocking mechanism includes a locking pin, a second link, a second swing lever, and a drive portion; the first end of the second connecting rod is hinged with the second end of the second swinging rod, and the second end of the second connecting rod is hinged with the locking pin; the second swinging rod is provided with a third guide structure, and the driving part is connected with the third guide structure through a second pin shaft; the locking pin is slidably arranged in the fourth guiding structure; the driving connecting rod is provided with a pin hole matched with the locking pin.
Another aspect of the embodiments of the present invention provides a switch drawer unit, including the push-interlocking device described above, where the switch drawer unit is connected to the moving portion and can be driven by the moving portion to move.
Optionally, the switch drawer unit further comprises a circuit breaker, wherein the circuit breaker comprises an operation handle, and the operation handle is connected with the driving part; the operating handle drives the interlocking mechanism through the driving part to lock or unlock the interlocking mechanism; the shell of the switch drawer unit is hinged with the second end of the second swinging rod of the interlocking mechanism; the fourth guide structure is fixed on the switch drawer unit supporting plate.
Optionally, the switch drawer unit is connected or disconnected from the circuit.
Optionally, the switch drawer unit is detachably connected with the moving part.
The embodiment of the invention discloses a propelling mechanism, which drives a driving connecting rod to enable the driving connecting rod to rotate relative to a switch drawer unit supporting plate by driving the driving connecting rod, wherein the driving connecting rod drives a first connecting rod to move, the first connecting rod drives a first pin shaft to move in a first guide structure, and meanwhile, the first pin shaft drives two first swinging rods to move, and the two first swinging rods swing relative to the switch drawer unit supporting plate, so that two pushing rods are driven to move, and the two pushing rods respectively push a moving part to move in a fixed part at the same time, thereby realizing the requirement that the propelling mechanism can simultaneously push and draw out at multiple points, and avoiding the conditions of uneven force, deflection and the like when in propelling or drawing out.
In addition, this embodiment also discloses a propulsion linkage, including foretell propulsion mechanism, propulsion linkage still includes interlocking mechanism, and the removal of interlocking mechanism's drive portion drives the second swinging arms swing to drive the second connecting rod motion, the second connecting rod drives the locking pin motion, the locking pin is along fourth guide structure motion to propulsion mechanism lock or unblock.
The embodiment also discloses a switch drawer unit, which comprises the pushing interlocking device, and the switch drawer unit is pushed in or pulled out of the power distribution cabinet under the drive of the moving part of the pushing mechanism, so that the requirement that the switch drawer unit can be pushed in or pulled out simultaneously at multiple points is realized, and the conditions of uneven force, deflection and the like are avoided when the switch drawer unit is pushed in or pulled out easily; meanwhile, the switch drawer unit can be locked or unlocked through the interlocking mechanism, so that the potential safety hazard that the switch drawer unit is pulled out by mistake in the working state is avoided.
Drawings
Fig. 1 is a schematic view showing the structure of a pushing mechanism, a pushing interlocking device, and a pushing mechanism of a switch drawer unit of the present embodiment;
fig. 2 is a schematic view showing the structure of the pushing mechanism, pushing linkage, and link mechanism of the switch drawer unit of the present embodiment;
fig. 3 is a schematic view showing the structure of the pushing mechanism, the pushing interlocking device, and the sliding mechanism of the switch drawer unit of the present embodiment;
fig. 4 is a schematic view showing the structure of the pushing mechanism, pushing interlocking device and interlocking mechanism of the switch drawer unit of the present embodiment;
fig. 5 shows a schematic view of the pushing mechanism, pushing interlocking device and interlocking mechanism of the switch drawer unit of the present embodiment under the lock pushing mechanism.
Reference numerals illustrate:
1. a drawer unit supporting plate is opened and closed; 11. a first guide structure; 2. a sliding mechanism; 21. a movement section; 22. a fixing part; 3. a link mechanism; 31. a drive link; 32. a first link; 33. a first swing lever; 331. a second guide structure; 34. a push rod; 4. a first pin; 5. a pin hole; 6. a linkage mechanism; 61. a locking pin; 62. a second link; 63. a second swing lever; 631. a third guide structure; 64. a driving section; 7. a circuit breaker; 71. an operation handle; 72. a guide rail; 8. a second pin; 9. and a fourth guiding structure.
Detailed Description
Exemplary embodiments of the present invention are described in detail below with reference to the attached drawings.
The present embodiment provides a propulsion mechanism. The propelling mechanism comprises a switch drawer unit supporting plate 1, two sliding mechanisms 2 and a connecting rod mechanism 3 which are arranged in parallel; the sliding mechanism 2 and the connecting rod mechanism 3 are arranged on the switch drawer unit supporting plate 1; the sliding mechanism 2 comprises a moving part 21 and a fixed part 22, the fixed part 22 is arranged on the switch drawer unit supporting plate 1, and the moving part 21 is arranged on the fixed part 22 in a relatively sliding manner; the connecting rod mechanism 3 is respectively hinged with the two moving parts 21 of the two sliding mechanisms 2 and drives the two moving parts 21 to synchronously move; the link mechanism 3 includes a drive link 31, a first link 32, two first swing levers 33, and two push rods 34; wherein the middle part of the driving connecting rod 31 is hinged on the switch drawer unit supporting plate 1, and the first end of the driving connecting rod 31 is hinged with the first end of the first connecting rod 32; a first guide structure 11 is arranged on the switch drawer unit supporting plate 1; first ends of the two first swinging rods 33 are hinged on the switch drawer unit supporting plate 1, and second ends of the two first swinging rods 33 are provided with second guide structures 331; the first pin 4 passes through the second end of the first connecting rod 32 and is respectively connected with the first guide structure 11 and the second guide structures 331 of the two first swinging rods 33; one end of each push rod 34 is connected to a first swinging rod 33, and the other end is connected to a moving part 21.
As shown in fig. 1 and 2, the switch drawer unit supporting plate 1 of the pushing mechanism in this embodiment is a partition plate, and can function as a support for the entire pushing mechanism. Fig. 3 is a schematic structural diagram of the sliding mechanism 2 in this embodiment, the fixed portion 22 in the sliding mechanism 2 is a sliding rail, the moving portion 21 is a sliding block, the sliding block can reciprocate in the sliding rail, the structural form of the sliding mechanism 2 is not particularly limited, and other forms can be implemented. The driving link 31 is hinged to the switch drawer unit supporting plate 1, and the intersection point is a position where the middle part of the driving link 31 is close to the first end of the driving link 31. The first end of the first swinging rod 33 refers to the end of the first swinging rod 33 away from the first guiding structure 11, and the second end is the inner end of the first swinging rod 33.
In this embodiment, the driving link 31 is driven to rotate relative to the switch drawer unit supporting plate 1, the driving link 31 drives the first link 32 to move, the first link 32 drives the first pin shaft 4 to move in the first guiding structure 11, and meanwhile, the first pin shaft 4 drives two first swinging rods 33 to move, and the two first swinging rods 33 swing relative to the switch drawer unit supporting plate 1, so as to drive the two push rods 34 to move, and the two push rods 34 respectively push the moving part 21 to move in the fixing part 22 at the same time, thereby realizing the requirement that the pushing device can push and withdraw at multiple points at the same time, and avoiding the conditions of uneven force, deflection and the like easily occurring during pushing or withdrawing.
Alternatively, two hinge points of the two first swing levers 33 and the switch drawer unit supporting plate 1 are located at the outer sides of the two sliding mechanisms 2, one end of each push rod 34 is connected with the middle part of one first swing lever 33, and the other end is connected with one moving part 21; and/or the two sliding mechanisms 2, the two first swinging rods 33, and the two pushing rods 34 are symmetrically arranged with the first guiding structure 11 as a center.
As shown in fig. 1, the two sliding mechanisms 2 are arranged in parallel, and two hinge points of the two first swinging rods 33 and the switch drawer unit supporting plate 1 are located at the outer sides of the two sliding mechanisms 2, so that when the link mechanism 3 moves, the first swinging rods 33 can drive the push rods 34 to move, and the push rods 34 can normally push or pull the moving parts 21 along the fixed parts 22. The middle of the first swing lever 33 refers to any position between the first end and the second end of the first swing lever 33. And/or, in order to ensure that the two sliding mechanisms 2 can be simultaneously and smoothly pushed in or pulled out without deflection, the two sliding mechanisms 2, the two first swinging rods 33 and the two pushing rods 34 are symmetrically arranged with the first guide structure 11 as a center. When the link mechanism 3 pushes or pulls out the moving part 21, the driving link 31 moves and drives the first link 32 to move, the first link 32 drives the first pin shaft 4 to move in the first guiding structure 11, the first guiding structure 11 drives the two first swinging rods 33 to move, and the two first swinging rods 33 are symmetrically arranged with the first guiding structure 11 as a center, so that the swinging angles of the first swinging rods 33 are the same, and the moving distances of the first swinging rods 33 driving the two push rods 34 are the same, namely the moving distances of the two moving parts 21 are the same, so that the aim of pushing or pulling out the two moving parts 21 simultaneously is fulfilled.
Alternatively, the connection of the drive link 31 with the switch drawer unit tray 1 is located in the extension direction of the first guide structure 11.
As shown in fig. 1, the connection between the driving link 31 and the switch drawer unit supporting plate 1 is hinged, and the hinge point of the driving link 31 and the switch drawer unit supporting plate 1 is on the same straight line with the extending direction of the first guiding structure 11. The drive link 31 is hinged to a first link 32, the first link 32 being connected to the first guide structure 11 by means of a first pin 4. In this embodiment, when the driving link 31 rotates to push in the moving portion 21, the driving link 31 drives the first link 32 to rotate, and the first pin shaft 4 moves in the first guiding structure 11, when the moving portion 21 is completely pushed in, the connection between the driving link 31 and the first link 32 is located exactly on the straight line where the extending direction of the first guiding structure 11 is located, at this moment, the hinge between the first pin shaft 4 and the driving link 31 and the hinge between the driving link 31 and the first link 32 are located on the same straight line, and according to the mechanics principle, the pushing mechanism forms a self-locking state, so that the moving portion 21 cannot be pulled out under the action of external force.
Optionally, the first guiding structure 11 is a guiding groove; and/or the second guiding structure 331 is a guiding groove; and/or the second end of the drive link 31 is provided with a handle.
As shown in fig. 1, the first guide structure 11 is a guide groove, the first pin 4 is connected to the first link 32 and the two first swing levers 33, and the first pin 4 is connected to the guide groove and can reciprocate along the guide groove. However, the structure of the first guide structure 11 is not limited thereto, and it may be a guide groove or other realizable structures. And/or the first pin 4 is connected with the two first swinging rods 33 through the second guide structure 331, wherein the second guide structure 331 is a guide groove, and the first pin 4 can reciprocate in the second guide structure 331. When the link mechanism 3 works, the first pin 4 can move in the second guide structure 331 under the drive of the first link 32, so that the moving part 21 can be pushed in or pulled out. And/or the first end of the driving link 31 is connected to the first link 32, the second end of the driving link 31 is provided with a handle, and when the link mechanism 3 is operated, the operator performs pushing in or pulling out of the moving part 21 through the handle of the second end of the driving link 31.
The embodiment also provides a pushing interlocking device, which comprises the pushing mechanism, and further comprises an interlocking mechanism 6, wherein the interlocking mechanism can be matched with the connecting rod mechanism and used for locking or unlocking the connecting rod mechanism. The pushing interlocking device provided by the embodiment can be applied to various power distribution cabinets, and a switch drawer unit in the power distribution cabinet is connected with the moving part 21 of the pushing interlocking device, so that the switch drawer unit can reciprocate under the driving of the moving part 21, and the switch drawer unit can be any device which needs to be pushed in or pulled out in the power distribution cabinet.
Specifically, the interlocking mechanism 6 includes a lock pin 61, a second link 62, a second swing lever 63, and a driving portion 64; the first end of the second link 62 is hinged to the first end of the second swing lever 63, and the second end of the second link 62 is hinged to the locking pin 61; the second swinging rod 63 is provided with a third guide structure 631, and the driving part 64 is connected with the third guide structure 631 through a second pin shaft 8; the locking pin 61 is slidably provided in the fourth guide structure 9; the driving link 31 is provided with a pin hole 5 which is engaged with the locking pin 61.
As shown in fig. 4 and 5, the interlocking mechanism 6 locks or unlocks the link mechanism 3 through the locking pin 61, the locking pin 61 moves along the fourth guiding structure 9, in this embodiment, the fourth guiding structure 9 is fixedly disposed on the switch drawer unit supporting plate 1, the fourth guiding structure 9 is provided with a through hole, and the locking pin 61 passes through the through hole to lock the link mechanism 3. The driving part 64 is connected with a third guide structure 631 of the second swinging rod 63 through a second pin shaft 8, wherein the third guide structure 631 is a guide groove, and movement of the driving part 64 drives the second swinging rod 63 to swing, so as to drive the second connecting rod 62 to move, the second connecting rod 62 drives the locking pin 61 to move, and the locking pin 61 moves along the fourth guide structure 9 to lock or unlock the connecting rod mechanism 3. As shown in fig. 1, in the present embodiment, a pin hole 5 is provided in the drive link 31, and the pin hole 5 cooperates with a lock pin 61 to lock the link mechanism 3. However, the position of the pin hole 5 is not limited thereto, and the pin hole 5 may be provided on any one of the first link 32, the first swing lever 33, and the push lever 34.
The embodiment also provides a switch drawer unit, which comprises the push interlocking device, wherein the switch drawer unit is connected with the moving part 21 of the push interlocking device and can move under the drive of the moving part 21.
The switch drawer unit of this implementation is mainly applied to in the switch board, and switch drawer unit is connected with advancing mechanism's motion 21, can realize the push and pull of switch drawer unit in the switch board through advancing mechanism, can realize the locking and the unblock of switch drawer unit through advancing interlocking device's interlocking mechanism.
Further, the switch drawer unit further includes a circuit breaker 7, and the circuit breaker 7 includes an operation handle 71, and the operation handle 71 is connected with the driving part 64 and can drive the interlocking mechanism 6 to lock or unlock the link mechanism 3.
The second end of the second swing lever 63 in this embodiment is hinged to the housing of the switch drawer unit. In this embodiment, the driving part 64 is disposed in the guide rail 72 on the switch drawer unit, the driving part 64 can reciprocate along the guide rail 72, the driving part 64 is provided with a through hole, the operating handle 71 passes through the through hole disposed on the driving part 64, and the on or off of the circuit breaker 7 can drive the driving part 64 to reciprocate along the guide rail 72.
The operating handle 71 of the circuit breaker 7 in the switch drawer unit controls the on or off of the circuit breaker 7, and at the same time, the interlocking mechanism 6 can be driven by pulling the operating handle 71. When the circuit breaker 7 is switched from the off state to the on state, the toggle of the operating handle 71 can drive the interlocking mechanism 6 to lock the linkage mechanism 3 by the interlocking mechanism 6, namely when the circuit breaker 7 is powered on and begins to work, the interlocking mechanism 6 locks the linkage mechanism 3 to ensure the normal work of the circuit breaker 7; when the circuit breaker 7 is switched from the on state to the off state, the toggle of the operating handle 71 can drive the interlocking mechanism 6 to unlock the linkage mechanism 3, that is, when the circuit breaker 7 is powered off and stops working, the interlocking mechanism 6 unlocks the linkage mechanism 3, and at this time, whether to withdraw the linkage mechanism 3 can be determined according to needs.
In particular, the switch drawer unit may be switched on or off with the electrical circuit of the power distribution cabinet.
The switch drawer unit is connected with a moving part 21 in the pushing interlocking device, the moving part 21 can drive the switch drawer unit to move, and meanwhile, the switch drawer unit can be connected with or disconnected from a circuit through the movement of the switch drawer unit. When the link mechanism 3 pushes the moving part 21 in, the switch drawer unit is connected with the circuit; when the link mechanism 3 withdraws the moving part 21, the switch drawer unit is disconnected from the circuit.
Alternatively, the switch drawer unit is detachably connected with the moving portion 21. The switch drawer unit may be connected to the moving portion 21 by a bolt connection or may be connected to the moving portion 21 by a snap connection. The switch drawer unit is detachably connected with the moving part 21, so that the switch drawer unit can be conveniently replaced and maintained after being damaged.
The pushing mechanism disclosed in this embodiment drives the driving connecting rod 31 to rotate relative to the switch drawer unit supporting plate 1, the driving connecting rod 31 drives the first connecting rod 32 to move, the first connecting rod 32 drives the first pin shaft 4 to move in the first guiding structure 11, meanwhile, the first pin shaft 4 drives the two first swinging rods 33 to move, and the two first swinging rods 33 swing relative to the switch drawer unit supporting plate, so that the two pushing rods 34 are driven to move, and the two pushing rods 34 respectively push the moving part 21 to move in the fixing part 22 at the same time, thereby realizing the requirement that the pushing mechanism can push and withdraw at multiple points at the same time, and avoiding the conditions of uneven force, deflection and the like during pushing or withdrawing.
In addition, the embodiment also discloses a propulsion linkage device, which comprises the propulsion mechanism, the propulsion linkage device further comprises a linkage mechanism, the movement of a driving part of the linkage mechanism drives the second swinging rod to swing, so that the second connecting rod is driven to move, the second connecting rod drives the locking pin to move, and the locking pin locks or unlocks the connecting rod mechanism in the propulsion mechanism along the movement of the fourth guide structure.
The embodiment also discloses a switch drawer unit, which comprises the pushing interlocking device, and the switch drawer unit is pushed in or pulled out of the power distribution cabinet under the drive of the moving part of the pushing mechanism, so that the requirement that the switch drawer unit can be pushed in or pulled out simultaneously at multiple points is realized, and the conditions of uneven force, deflection and the like are avoided when the switch drawer unit is pushed in or pulled out easily; meanwhile, the switch drawer unit can be locked or unlocked through the interlocking mechanism, so that the potential safety hazard that the switch drawer unit is pulled out by mistake in the working state is avoided.
The foregoing is merely a specific implementation of the embodiment of the present invention, but the protection scope of the embodiment of the present invention is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the embodiment of the present invention, and the changes or substitutions are covered by the protection scope of the embodiment of the present invention. Therefore, the protection scope of the embodiments of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The propelling mechanism is characterized by comprising a switch drawer unit supporting plate (1), two sliding mechanisms (2) and a connecting rod mechanism (3) which are arranged in parallel;
the sliding mechanism (2) and the connecting rod mechanism (3) are arranged on the switch drawer unit supporting plate (1);
the sliding mechanism (2) comprises a moving part (21) and a fixing part (22), wherein the fixing part (22) is arranged on the switch drawer unit supporting plate (1), and the moving part (21) is arranged on the fixing part (22) in a relatively sliding manner;
the connecting rod mechanism (3) is respectively hinged with the two moving parts (21) of the two sliding mechanisms (2) and drives the two moving parts (21) to synchronously move;
the connecting rod mechanism (3) comprises a driving connecting rod (31), a first connecting rod (32), two first swinging rods (33) and two push rods (34);
the middle part of the driving connecting rod (31) is hinged to the switch drawer unit supporting plate (1), and the first end of the driving connecting rod (31) is hinged to the first end of the first connecting rod (32);
a first guide structure (11) is arranged on the switch drawer unit supporting plate (1);
the first ends of the two first swinging rods (33) are hinged to the switch drawer unit supporting plate (1), and the second ends of the two first swinging rods (33) are provided with second guide structures (331);
a first pin (4) passes through the second end of the first link (32) and is connected with the first guide structure (11) and the second guide structure (331);
one end of each push rod (34) is connected with one first swinging rod (33), and the other end of each push rod is connected with one moving part (21);
the first guide structure (11) is a guide groove; and/or the number of the groups of groups,
the second guide structure (331) is a guide groove; and/or the number of the groups of groups,
a handle is arranged at the second end of the driving connecting rod (31);
the connection of the drive link (31) to the switch drawer unit support plate (1) is located in the direction of extension of the first guide structure (11).
2. Propulsion mechanism according to claim 1, characterized in that the two hinge points of the two first swinging rods (33) and the switch drawer unit supporting plate (1) are respectively located outside the two sliding mechanisms (2), wherein one end of each push rod (34) is connected with the middle part of one first swinging rod (33), and the other end is connected with one movement part (21); and/or the number of the groups of groups,
the two sliding mechanisms (2), the two first swinging rods (33) and the two pushing rods (34) are symmetrically arranged by taking the first guide structure (11) as a center.
3. A push interlock device comprising a push mechanism according to claim 1 or 2, the push interlock device further comprising an interlock mechanism (6), the interlock mechanism (6) being cooperable with the linkage mechanism (3) for locking or unlocking the linkage mechanism (3).
4. A push chain device according to claim 3, characterized in that the chain mechanism (6) comprises a locking pin (61), a second link (62), a second swing lever (63) and a drive part (64);
the first end of the second connecting rod (62) is hinged with the first end of the second swinging rod (63), and the second end of the second connecting rod (62) is hinged with the locking pin (61);
the second swinging rod (63) is provided with a third guide structure (631), and the driving part (64) is connected with the third guide structure (631) through a second pin shaft (8);
the locking pin (61) is slidably arranged in a fourth guiding structure (9);
the driving connecting rod (31) is provided with a pin hole (5) matched with the locking pin (61).
5. A switch drawer unit comprising a push interlock device according to claim 4, said switch drawer unit being connected to said movement portion (21) and being movable under the drive of said movement portion (21).
6. The switch drawer unit according to claim 5, characterized in that it further comprises a circuit breaker (7), said circuit breaker (7) comprising an operating handle (71), said operating handle (71) being connected with said driving portion (64);
the operating handle (71) drives the interlocking mechanism (6) through the driving part (64) to lock or unlock the interlocking mechanism (6);
the shell of the switch drawer unit is hinged with the second end of a second swinging rod (63) of the interlocking mechanism (6);
the fourth guide structure (9) is fixed on the switch drawer unit supporting plate (1).
7. The switch drawer unit of claim 5, wherein the switch drawer unit is connected or disconnected from an electrical circuit.
8. The switch-drawer unit according to claim 5, characterized in that it is detachably connected to the movement (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437964.6A CN109038339B (en) | 2017-06-12 | 2017-06-12 | Propelling mechanism, propelling interlocking device and switch drawer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437964.6A CN109038339B (en) | 2017-06-12 | 2017-06-12 | Propelling mechanism, propelling interlocking device and switch drawer unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109038339A CN109038339A (en) | 2018-12-18 |
| CN109038339B true CN109038339B (en) | 2024-03-01 |
Family
ID=64629979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710437964.6A Active CN109038339B (en) | 2017-06-12 | 2017-06-12 | Propelling mechanism, propelling interlocking device and switch drawer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038339B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006951A (en) * | 1975-06-12 | 1977-02-08 | Adams Rite Products, Inc. | Locking mechanism for a slide drawer |
| CN101005199A (en) * | 2006-12-25 | 2007-07-25 | 郭树海 | Novel low voltage drawer operation mechanism |
| CN201298686Y (en) * | 2008-10-29 | 2009-08-26 | 福建森达电气有限公司 | Simple drawer interlocking device for drawer type switch cabinet |
| CN201868768U (en) * | 2010-11-11 | 2011-06-15 | 南京大全电气有限公司 | Low-voltage drawer cabinet |
| CN104124635A (en) * | 2014-07-04 | 2014-10-29 | 福建森达电气股份有限公司 | Low-voltage distribution cabinet drawer operation interlocking mechanism |
| CN104207506A (en) * | 2014-09-12 | 2014-12-17 | 伍志勇 | Disassembly and assembly structure for furniture drawer front panel |
| CN207010054U (en) * | 2017-06-12 | 2018-02-13 | 天津市中力防雷技术有限公司 | Propulsive mechanism, promote interlock and switch drawer unit |
-
2017
- 2017-06-12 CN CN201710437964.6A patent/CN109038339B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006951A (en) * | 1975-06-12 | 1977-02-08 | Adams Rite Products, Inc. | Locking mechanism for a slide drawer |
| CN101005199A (en) * | 2006-12-25 | 2007-07-25 | 郭树海 | Novel low voltage drawer operation mechanism |
| CN201298686Y (en) * | 2008-10-29 | 2009-08-26 | 福建森达电气有限公司 | Simple drawer interlocking device for drawer type switch cabinet |
| CN201868768U (en) * | 2010-11-11 | 2011-06-15 | 南京大全电气有限公司 | Low-voltage drawer cabinet |
| CN104124635A (en) * | 2014-07-04 | 2014-10-29 | 福建森达电气股份有限公司 | Low-voltage distribution cabinet drawer operation interlocking mechanism |
| CN104207506A (en) * | 2014-09-12 | 2014-12-17 | 伍志勇 | Disassembly and assembly structure for furniture drawer front panel |
| CN207010054U (en) * | 2017-06-12 | 2018-02-13 | 天津市中力防雷技术有限公司 | Propulsive mechanism, promote interlock and switch drawer unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109038339A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI83802B (en) | ELEKTROMEKANISKT DOERRLAOS. | |
| JP5108086B2 (en) | Circuit breaker | |
| CN101697402B (en) | Interlocking device of breaker handcart advancing mechanism | |
| CN108847605A (en) | A kind of five-prevention interlocking device and the hands injured with it | |
| CN103441439A (en) | Switch cabinet equipped with isolating switches, vacuum circuit breakers and grounding switches | |
| CN102290727B (en) | Device for interlocking cable chamber cabinet doors and switch operating mechanisms of medium-voltage and high-voltage switchgears | |
| CN118137363B (en) | DC breaker handcart propulsion multiple interlocking system | |
| CN107359534B (en) | Valve interlocking device special for SF6 circuit breaker | |
| CN1505859A (en) | Electric switch with a drive shaft and a blocking mechanism for blocking actuation of the drive shaft | |
| CN109038339B (en) | Propelling mechanism, propelling interlocking device and switch drawer unit | |
| CN109671588B (en) | Locking device for grounding switch of metal-enclosed switch cabinet | |
| CN203871215U (en) | Five-prevention interlocking device of high-voltage ring main unit | |
| KR20040090475A (en) | Locking device of a plug-in electrical apparatus and switchgear apparatus comprising such a device | |
| WO2015193128A1 (en) | Retraction mechanism | |
| CN109244920B (en) | Mechanical interlocking device for switch cabinet vacuum circuit breaker handcart | |
| CN201981932U (en) | Door plate component of safety box | |
| CN207010054U (en) | Propulsive mechanism, promote interlock and switch drawer unit | |
| CN202434405U (en) | Load-switch opening-closing and grounding interlocking device | |
| KR200476959Y1 (en) | 3-Position Interlock Mechanism for Vacuum CircuitBreaker | |
| CN106206146B (en) | A kind of interlock of the earthing switch and door of switchgear | |
| CN201523174U (en) | Interlocking device of advancing mechanism of circuit breaker handcart | |
| CN113990689A (en) | Interlocking device for switch cabinet door and integrated combined electrical apparatus | |
| CN209443946U (en) | A kind of smart lock and its clutch | |
| CN203747278U (en) | Drawer type low-voltage switchgear | |
| CN207353743U (en) | A kind of propulsion interlocking gear of low-tension switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |