CN105826849A - Hand-cranking type propulsion mechanism - Google Patents

Abstract

The invention discloses a hand-cranking type propulsion mechanism, comprising a switching-off and switching-on handle, a switch handle shaft, a cranking handle, a drawer, a hand-cranking propulsion mechanism and a switching-on interlocking component, the hand-cranking propulsion mechanism is fixed on a drawer bottom plate, the switch handle shaft passes through the switching-on interlocking component to be connected with the switching-off and switching-on handle, and separation, testing and connection of the unit drawers are controlled through operation of the switching-off and switching-on handle and the cranking handle. The hand-cranking type propulsion mechanism provided by the invention has the characteristics of simple structure, reasonable design, flexible and labor-saving operation, good anti-error performance, good self-locking performance, economy and practicability, strong universality and the like, and is suitable for power distribution work of electric utility departments.

Description

A kind of hands formula propulsive mechanism

Technical field

The invention belongs to a kind of power distribution device technique field, especially relate on a kind of low pressure drawer-type switch cabinet, enable drawer advance the operating mechanism of removal accurately and reliably.

Background technology

Along with low pressure drawer-type switch cabinet popularizing in low-voltage distribution system, the extensive application in low-tension switch cabinet of particularly 400A ~ 630A Large Copacity drawer, the drawer interlocking mechanism currently commonly used is by rotating divide-shut brake hands handle, manpower impact is relied on to control the work of drawer unit, test, isolation and the position conversion extracted out, this drawer interlocking mechanism structure is relative complex, relatively costly, take drawer space big, in practical operation, there is also some drawbacks, such as, when advancing or removing drawer positions the most at that time, easily damage location and the guide of drawer, cause the damage of drawer insert, increase cost, and work, test, isolation, the instruction point of withdrawn position is positioned at the arc surface of divide-shut brake handle, action mark is inconspicuous, easily cause maloperation.

Summary of the invention

It is an object of the invention to improve the deficiency of prior art and provide a kind of simple in construction, reasonable in design, flexible operation, save time, laborsaving, self-locking performance good, economical and practical, highly versatile and position display understand accurately and reliably, are difficult to cause the hands formula propulsive mechanism of maloperation.

nullThe object of the present invention is achieved like this，A kind of hands formula propulsive mechanism，Including drawer、Mechanism's apron plate、Support、After-poppet、Crank handle，It is characterized in that mechanism's apron plate is fixed on before support，Intermeshing linkage gear and location gear are installed between mechanism's apron plate and support，After-poppet is fixed on after support，Positive hexagonal hole is had in the operator link front end face being arranged between support and after-poppet，Equipped handle in positive hexagonal hole，The front portion of operator link is toothed around，Linkage gear and gear teeth meshing，Operator link tail end is provided with guiding screw mandrel，The grooved keeper being fixed on unit laminate is positioned at below guiding screw mandrel and both coordinate，Fixed plate is arranged on above after-poppet，The middle part guiding connecting plate is arranged in fixed plate by locating shaft，One end of location even block is arranged in fixed plate by connecting rod locating dowel，The other end is connected with guiding connecting plate by straight pin，Guide the other end of connecting plate and the travel switch contact being fixed in fixed plate，Location is even provided with circular arc type alignment pin in block side，Three position instruction dishes are fixed in gear front end, location，Circular arc type alignment pin extend into curve chute and the interior slip of locating slot at the gear back side, location and moves forward and backward，The two-arm being arranged on the reduction torsion spring in connecting rod locating dowel contacts with locating shaft and location even block respectively，Switch handle shaft is through the interlocking sliding piece that closes a floodgate、Support、Interlocking reinforcing plate of closing a floodgate is connected with divide-shut brake handle，The interlocking shift fork axle that closes a floodgate is connected on support，One end is connected with the alignment pin closed a floodgate on interlocking sliding piece，The other end passes through sliding pin and support、Interlocking baffle plate、Direct acting dead bolt is slide hinged，Direct acting dead bolt coordinates with the lockhole on unit laminate.

nullCompared with the prior art the present invention has following distinguishing feature and good effect: by the present invention in that with crank handle rotating operation connecting rod，The operator link front end gear teeth engage with linkage gear，Linkage gear drives the rotation of location gear，Three position instruction dishes are fixed in gear front end, location，By the observation window of drawer panel，Dynamically indicate the separation of drawer、Test、Link position，The most easily realize separating、Test、Connect the machinery location of three positions，Reasonable in design、Easy to operate、Accurate positioning，By the effect of reduction torsion spring，Propulsive mechanism arrives separation、Test、The when of connecting three positions，Positioning linkage rod can return timely，And with the voice prompt function of " clicker "，Avoid drawer to advance and during removal，The accident caused because position is inaccurate，The screw mandrel that guides of operator link tail end coordinates with the grooved keeper being fixed on unit laminate simultaneously，This multi-turn laborsaving enter、The mode shaken out，Can be light、Flexibly、Smoothly advance and remove drawer unit，Effect for 400A ~ 630A Large Copacity drawer unit is particularly evident；By operation divide-shut brake hands handle, switch handle shaft drives the interlocking sliding piece that closes a floodgate to rotate with combined floodgate interlocking shift fork, moving left and right of baffle plate of interlocking of closing a floodgate is driven to realize mechanism's handle hole and the interlocking of direct acting dead bolt, when in drawer, switch closes a floodgate, the interlocking baffle plate that closes a floodgate blocks operator link handle hole, direct acting dead bolt is downward, interlock through drawer unit base plate and unit laminate, cannot move by operating drawer, when switching separating brake in drawer, the interlocking baffle plate that closes a floodgate removes operator link handle hole, direct acting dead bolt is upwards, and the interlocking between drawer unit base plate and unit laminate is cancelled, insert crank handle, realize operating drawer to advance and removal, so interlocked by combined floodgate and drawer-bottom board, the interlocking of unit laminate, ensure that and can not shake out drawer unit in the case of on-load, avoid the generation of accident.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of the present invention.

Fig. 2 is that hands formula of the present invention advances and a kind of structural representation of chain part.

Fig. 3 is a kind of structural representation of hands formula propulsive units of the present invention.

Fig. 4 is the top view of Fig. 3.

Fig. 5 is the rearview of Fig. 3.

Fig. 6 is a kind of partial sectional view of hands formula propulsive units of the present invention.

Fig. 7 is invention unit laminate and a kind of structural representation guiding screw mandrel binding site.

Detailed description of the invention

nullA kind of hands formula propulsive mechanism，Referring to figs. 1 through Fig. 7，It is that drawer 31 is positioned over above unit laminate 10，Mechanism's apron plate 1、Support 2、After-poppet 3 is arranged in drawer 31，Mechanism's apron plate 1 is fixed on before support 2，Intermeshing linkage gear 5 and location gear 6 are installed between mechanism's apron plate 1 and support 2，After-poppet 3 is fixed on after support 2，It is arranged in operator link 7 front end face between support 2 after-poppet 3 and has positive hexagonal hole，Equipped handle 4 in positive hexagonal hole，The front portion of operator link 7 is toothed around 8，Linkage gear 5 engages with the gear teeth 8，Operator link 7 tail end is provided with guiding screw mandrel 9，The grooved keeper 11 being fixed on unit laminate 10 is positioned at below guiding screw mandrel 9 and both coordinate，Fixed plate 12 is arranged on above after-poppet 3，The middle part guiding connecting plate 15 is arranged in fixed plate 12 by locating shaft 13，One end of location even block 16 is arranged in fixed plate 12 by connecting rod locating dowel 14，The other end is connected with guiding connecting plate 15 by straight pin 17，Guide the other end of connecting plate 15 and travel switch 21 contact being fixed in fixed plate 12，Location is even provided with circular arc type alignment pin 18 in block 16 side，Three position instruction dishes 19 are fixed in gear 6 front end, location，Circular arc type alignment pin 18 extend into curve chute and the interior slip of locating slot at gear 6 back side, location and moves forward and backward，The two-arm of the reduction torsion spring 20 being arranged in connecting rod locating dowel 14 contacts with locating shaft 13 and location even block 16 respectively，Switch handle shaft 22 is through the interlocking sliding piece 23 that closes a floodgate、Support 2、Interlocking reinforcing plate 24 of closing a floodgate is connected with divide-shut brake handle 25，Interlocking shift fork 26 axle that closes a floodgate is connected on support 2，One end is connected with the alignment pin closed a floodgate on interlocking sliding piece 23，The other end is by sliding pin 27 and support 2、Interlocking baffle plate 28、Direct acting dead bolt 29 is slide hinged，Direct acting dead bolt 29 coordinates with the lockhole 30 on unit laminate 10.

When using the present invention, drawer 31 base plate is positioned over above unit laminate 10, crank handle 4 is inserted in the positive hexagonal hole of operator link 7 front end being arranged between support 2 and after-poppet 3, rotate clockwise crank handle 4, crank handle 4 drives the screw mandrel 9 that guides of operator link 7 tail end to rotate on the grooved keeper 11 being fixed on unit laminate 10, drawer 31 is driven to move forward accordingly, between the gear teeth 8 lead agency apron plate 1 and the support 2 of operator link 7 front end, intermeshing linkage gear 5 and location gear 6 rotate simultaneously, it is positioned at the circular arc type alignment pin 18 of even block 16 side, the location curve chute therewith at gear 6 back side, location and locating slot slides and movable, and drive is fixed in location gear 6 front end three position instruction dish 19 and rotates；When drawer enters testing position, circular arc type alignment pin 18 in the effect lower slider of reduction torsion spring 20 in locating slot, and with the auditory tone cues of " clicker ", the straight pin 17 of even block 16 upper end, location drives guiding connecting plate 15 one end being arranged in fixed plate 12 by locating shaft 13 to rotate, the other end and travel switch 21 contact being fixed in fixed plate 12, now travel switch action, subsidiary loop obtains electric；nullContinue to rotate clockwise crank handle 4，Circular arc type alignment pin 18 slides and movable in skidding off locating slot arrival curve chute，When drawer enters link position，Circular arc type alignment pin 18 slides in another locating slot under the effect of reduction torsion spring 20 again，And with the auditory tone cues of " clicker "，Now extract crank handle 4，Rotate divide-shut brake handle 25 to closing position，Divide-shut brake handle 25 drives switch handle shaft 22、Combined floodgate interlocking reinforcing plate 24、The interlocking sliding piece 23 that closes a floodgate rotates，The interlocking sliding piece 23 that closes a floodgate drives the interlocking catch 28 being arranged on sliding pin 27 to move by the interlocking shift fork 26 that closes a floodgate and blocks the positive hexagonal hole of operator link 7 front end and direct acting dead bolt 29 rotates down and interlocks with the lockhole 30 on unit laminate 10，Now，Interlocking mechanism's locking，Cannot operate again，Thus complete power transmission operation.

nullWhen needing interruption maintenance，Rotate divide-shut brake handle 25 to open position，Divide-shut brake handle 25 drives switch handle shaft 22、Combined floodgate interlocking reinforcing plate 24、The interlocking sliding piece 23 that closes a floodgate rotates，The interlocking sliding piece 23 that closes a floodgate drives the interlocking catch 28 being arranged on sliding pin 27 to move by the interlocking shift fork 26 that closes a floodgate to expose the positive hexagonal hole of operator link 7 front end and direct acting dead bolt 29 is rotated up unlocking with the lockhole 30 on unit laminate 10，Now，By in the positive hexagonal hole of crank handle 4 update connecting rod 7 front end，Rotate counterclockwise crank handle 4，Crank handle 4 drives the screw mandrel 9 that guides of operator link 7 tail end to rotate on the grooved keeper 11 being fixed on unit laminate 10，Drive the retrogressing of drawer 31，Between the gear teeth 8 lead agency apron plate 1 and the support 2 of operator link 7 front end, intermeshing linkage gear 5 and location gear 6 rotate simultaneously，It is positioned at the circular arc type alignment pin 18 of even block 16 side, the location curve chute at gear 6 back side, location and locating slot slides and movable，And drive is fixed in location gear 6 front end three position instruction dish 19 and rotates，When drawer 31 enters testing position，Circular arc type alignment pin 18 in the effect lower slider of reduction torsion spring 20 in locating slot，And with the auditory tone cues of " clicker "，The straight pin 17 of even block 16 upper end, location drives guiding connecting plate 15 one end being arranged in fixed plate 12 by locating shaft 13 to rotate，The other end and travel switch 21 contact being fixed in fixed plate 12，Now travel switch 21 action，Subsidiary loop obtains electric；Continue to rotate counterclockwise crank handle 4, circular arc type alignment pin 18 slides and movable in skidding off locating slot arrival curve chute, when drawer 31 enters separation point position, circular arc type alignment pin 18 slides in another locating slot under the effect of reduction torsion spring 20 again, and with the auditory tone cues of " clicker ", now drawer 31 can remove from unit laminate 10, thus completes interruption maintenance work.

Claims (1)

1. null1. a hands formula propulsive mechanism，Including drawer (31)、Mechanism's apron plate (1)、Support (2)、After-poppet (3)、Crank handle (4)，It is characterized in that mechanism's apron plate (1) is fixed on before support (2)，Intermeshing linkage gear (5) and location gear (6) are installed between mechanism's apron plate (1) and support (2)，After-poppet (3) is fixed on after support (2)，It is arranged in operator link (7) front end face between support (2) and after-poppet (3) and has positive hexagonal hole，Equipped handle (4) in positive hexagonal hole，The front portion of operator link (7) is toothed around (8)，Linkage gear (5) engages with the gear teeth (8)，Operator link (7) tail end is provided with guiding screw mandrel (9)，The grooved keeper (11) being fixed on unit laminate (10) is positioned at guiding screw mandrel (9) lower section and both coordinate，Fixed plate (12) is arranged on after-poppet (3) top，The middle part guiding connecting plate (15) is arranged in fixed plate (12) by locating shaft (13)，One end of location even block (16) is arranged in fixed plate (12) by connecting rod locating dowel (14)，The other end is connected with guiding connecting plate (15) by straight pin (17)，Guide the other end of connecting plate (15) and travel switch (21) contact being fixed in fixed plate (12)，Location is even provided with circular arc type alignment pin (18) in block (16) side，Three position instructions dish (19) are fixed in gear (6) front end, location，Circular arc type alignment pin (18) extend into curve chute and the interior slip of locating slot at gear (6) back side, location and moves forward and backward，The two-arm of the reduction torsion spring (20) being arranged in connecting rod locating dowel (14) contacts with locating shaft (13) and location even block (16) respectively，Switch handle shaft (22) is through interlocking sliding piece (23) that closes a floodgate、Support (2)、Interlocking reinforcing plate (24) that closes a floodgate is connected with divide-shut brake handle (25)，Interlocking shift fork (26) axle that closes a floodgate is connected on support (2)，One end is connected with the alignment pin closed a floodgate on interlocking sliding piece (23)，The other end is by sliding pin (27) and support (2)、Interlocking baffle plate (28)、Direct acting dead bolt (29) is slide hinged，Direct acting dead bolt (29) coordinates with the lockhole (30) on unit laminate (10).