CN209104013U - Lift dual power supply device - Google Patents

Abstract

The utility model discloses a kind of lift dual power supply devices, the bracket of vertical beam is provided with including middle part, the elevating mechanism of the vertical beam two sides of bracket is set, executing agency is provided on the elevating mechanism, the elevating mechanism includes the supporting plate for being driven executing agency described in opposite bracket vertical lifting and carrying, it is hinged on two below the supporting plate support arms in splayed Boulez, the bottom rail road for being cooperatively connected with the support arm lower end and being fixedly connected with bracket, and the two support arm lower ends are locked from its separated retaining mechanism.Executing agency is arranged on liftable supporting plate the utility model, takes full advantage of height space, simplifies actuating mechanism.

Description

Lift dual power supply device

Technical field

The utility model relates to double power supply converting switch equipment and its switchgear technical fields, more particularly to a kind of lifting Formula dual power supply device.

Background technique

Well known distribution technique field, draw-out mechanism are obtained due to having the characteristics that easy to operate, maintenance replacement is convenient It is commonly used.Current techniques mostly use greatly the drawing mechanism of horizontal direction, and operator front level operates, in order to have enough Horizontal depth, complete to be pulled out and in the completion of movement, the attached body of switchgear requires longitudinal depth, especially in high-voltage switch In cabinet, the volume of cabinet body is increased so that high-tension switch cabinet longitudinal direction depth is larger using extraction structure.

Now, it is supplied to that the space requirement that uses of power supply is smaller and smaller, but the load and current supply circuit number powered are in anxious The trend that speed increases certainly will require requirement in a limited space so increasing in limited power supply space internal loading feeder number Single switch cabinet body product becomes smaller, to increase switchgear quantity.So it is non-to develop a kind of drawing mechanism that can reduce switchgear volume It is often necessary.

Utility model content

The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of lift dual power supply Power supply unit.

It is for technical solution used by realization the purpose of this utility model:

A kind of lift dual power supply device, the bracket of vertical beam is provided with including middle part, and the vertical beam two of bracket is arranged in The elevating mechanism of side, is provided with executing agency on the elevating mechanism, and the elevating mechanism includes that be driven opposite bracket perpendicular The supporting plate for going straight up to executing agency described in drop and carrying is hinged on two below the supporting plate support arms in splayed Boulez, with institute The bottom rail road that the support arm lower end stated is cooperatively connected and is fixedly connected with bracket, and it is anti-to lock the two support arm lower ends Only its separated retaining mechanism.

The executing agency is arranged on handcart, and the supporting plate two sides or end are provided with limiting section, described The trailing flank of limiting section is upper side edge inclined-plane outstanding forward, and it is matched right with the limiting section to be formed on the handcart Socket part, the leading flank of the docking section are slope surface corresponding with the inclined-plane, and the limiting section passes through conducting wire and lifting The grounding point of mechanism is connected directly.

It is formed with cavity on the inclined-plane, conductive plate is provided in the cavity, the conductive plate back is set Spring is equipped with to hold with Jiang Qiding.

The driving mechanism of the supporting plate includes drive rod, the elevating screw being sequentially connected with the drive rod, thereon It is provided with and the driving beam of the matched lifting nut of the elevating screw and corresponding is arranged between driving beam and bracket Guiding mechanism, wherein the supporting plate is fixedly connected with the driving beam.

The drive rod is horizontally disposed and is rotated by the worm and gear driving elevating screw, the drive rod By handwheel or motor driven.

The guiding mechanism is the guide rail slide block mechanism being arranged between the driving beam and the bracket.

The support arm lower end is provided with the matched sliding block in bottom rail road to realize that the support arm lower end is opposite Bottom rail road is slidably matched.

The retaining mechanism include fixed setting on the slide block and direction along ng a path extend strip ratchet, phase To the rotatable fixation of bracket and spine corresponding with the ratchet refers to, and the spine can be driven to refer to that synchronization is outwardly or inwardly turned over Turn so that it keeps or be detached from the control lever contacted with ratchet.

The retaining mechanism includes the swingle extended along the bottom orbital direction, is arranged on the swingle At least a pair of of tight lock part, rotating the swingle can realize that tight lock part locks or release support arm lower end.

A kind of control method of the lift dual power supply device, which is characterized in that include the following steps,

1) supporting plate is located at lowest order, pushes handcart that it is made to advance forward along supporting plate, until limiting section limits docking section simultaneously Handcart is locked with respect to supporting plate；

2) driving supporting plate rises, and support arm lower end is synchronous to collapse along bottom rail road, and inswept spine refers to the tooth of ratchet one by one；

3) supporting plate rises to extreme higher position, stops driving, and spine refers to the outside positioned at ratchet outermost tooth and holds out against, rotation rotation Bull stick is locked support arm lower end using tight lock part；

4) when needing to fall, rotation swingle discharges tight lock part, while pushing control lever to refer to spine and being turned out releasing With engaging for ratchet；

5) driving supporting plate drops to low level, releases the locking of opposite supporting plate, pulls out handcart.

Compared with prior art, the utility model has the beneficial effects that

Executing agency is arranged on liftable supporting plate the utility model, takes full advantage of height space, simplifies dynamic Make mechanism, moreover, executing agency links with it when to guarantee supporting plate lifting, the executing agency is fixed at handcart On, the trailing flank of the limiting section is upper side edge inclined-plane outstanding forward, is formed with and the limit on the handcart The matched docking section in portion, the leading flank of the docking section are slope surface corresponding with the inclined-plane.That is limiting section and docking section It is formed with the mechanism plugged, can effectively realize and constitute related interference while accurate positioning on vertical plane, can pull down Vehicle of starting moves downward simultaneously, the fluency of raising movement.Meanwhile it being equipped in the limiting section of supporting plate and handcart plug division and completing to lead The contact and compression spring of Electricity Functional guarantee the contact resistance for connecing very little.The ground connection of supporting plate limiting section conducting wire and elevating mechanism Point is connected directly, and meets ground protection requirement, it is ensured that operational safety.

Detailed description of the invention

Fig. 1 show the structural schematic diagram of the elevating mechanism of the utility model.

Fig. 2 show side structure schematic view shown in FIG. 1；

Fig. 3 show ratchet and spine refers to action schematic diagram；

Fig. 4 show limiting section and docking section structural schematic diagram；

Fig. 5 show the portion A shown in Fig. 3 partial enlargement diagram,

Fig. 6 show the portion B shown in Fig. 3 partial enlargement diagram.

Specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.

As shown in figures 1 to 6, the lift dual power supply device of the utility model comprising middle part is provided with the branch of vertical beam Frame is arranged in the elevating mechanism of 11 two sides of vertical beam of bracket, is provided with executing agency on the supporting plate.Described holds Row mechanism to be connected to or disconnect the connection with main bus-bar, for example breaker etc., meanwhile, for enhance support strength, it is described Supporting plate and driving beam vertical portion are L-type, while guaranteeing to stablize to improve bearing capacity in lower part setting or two sides setting stiffening plate Property and intensity.

Executing agency is arranged on liftable supporting plate, while being the operation of guidance handcart, is set on the supporting plate It is equipped with walking trough 21.Height remaining space is taken full advantage of, the requirement of cabinet body longitudinal direction depth is effectively reduced, improves the adaptation of its environment Property, actuating mechanism is simplified, moreover, executing agency links with it when to guarantee supporting plate lifting, the executing agency is fixed Be arranged on handcart, the supporting plate two sides or end be provided with limiting section 40, in the lift dual power supply device with After being by proximal operator side, before being far from fore side, the trailing flank of the limiting section is upper side edge inclined-plane outstanding forward, Be formed on the handcart with the matched docking section 50 of the limiting section, the leading flank of the docking section be with it is described The corresponding slope surface in inclined-plane.I.e. limiting section and docking section are formed with the mechanism plugged, while capable of effectively realizing accurate positioning Related interference is constituted on vertical plane, can be pulled downward on handcart and be moved downward simultaneously, the fluency of raising movement, meanwhile, supporting plate The grounding point of limiting section conducting wire and elevating mechanism is connected directly, and meets ground protection requirement, it is ensured that operational safety.

Preferably, it is the reliability for guaranteeing inclined-plane and slope surface contact conduction, cavity is formed on the inclined-plane, described Cavity in be provided with conductive plate 42, the conductive plate back is provided with spring 41 and is held with Jiang Qiding.The conductive plate two Guiding mechanism is provided between side and limiting section, such as connection earhole and pin cooperate.Hold the conduct touching that can make in the top of contact spring The conductive plate of head can be protruded from except inclined-plane and can also be flushed with inclined-plane, and such normal condition lower inclined plane and slope surface are able to maintain well Conductive contact, when occur vibration, inclination etc. it is unexpected when, if gap etc. occur in limiting section and docking section, by the top of spring It holds and is still able to maintain conducting between limiting section and docking section and the contact resistance with very little, can guarantee effective grounding.

Specifically, the elevating mechanism includes the supporting plate 2 for being driven opposite 1 vertical lifting of bracket, is hinged below supporting plate Two of middle part are in the support arm 3 of splayed Boulez, are cooperatively connected with 3 lower end of support arm and fixed with the horizontal part of bracket 12 The bottom rail road 13 of connection, and the two support arm lower ends are locked from its separated retaining mechanism.Support arm lower end with Various ways, such as the cooperation of embedded idler wheel and slot can be used in the cooperation in bottom rail road, and support arm lower end can be achieved with respect to bottom rail It is moved along its axial direction in road.

Wherein, the support arm lower end is provided with the matched sliding block 31 in the bottom rail road to realize under the support arm Being slidably matched for opposite bottom rail road is held, if bottom rail road is sliding rail, support arm lower end hingedly with the matched sliding block of sliding rail, is utilized The mating connection in bottom rail road and support arm lower end, when supporting plate lifting when, two support arm lower ends with respect to reverse sync move, that is, close up or It separates, lower end locking can guarantee that blade position does not change using retaining mechanism when rising to predetermined altitude.

As a preferred embodiment, further include fixed setting on the slide block and the strip spine that extends of direction along ng a path Tooth 14, the opposite rotatable fixation of bracket and spine corresponding with the ratchet refers to 32, and can drive the spine refer to it is synchronous to Interior or flip-over is so that it keeps or be detached from the control lever 33 contacted with ratchet.Spine refers to that elevating mechanism is realized in the cooperation with ratchet Support arm is lockked when rising in real time, i.e., spine, which refers to, constitutes an one-way locking mechanism with ratchet.The spine refers to that ratch mechanism is similar to ratchet Ratchet, the spine of the utility model refer to that the ratchet being equivalent in ratchet ratchet, the ratchet in the utility model are equivalent to ratchet ratchet In straight line expansion after ratchet.

Specifically, using carriage center as inside, both ends are outside, are located at for spine refers to top by ratchet and carry out demonstration Illustrate, the lateral surface of the tooth of the ratchet is facade or introversion face, i.e. lateral surface upper end tilts inwardly, and medial surface is arc Face or slope surface.The medial surface that spine refers to be slope surface or cambered surface to decline when ratchet tooth it is inswept from thereon, lateral surface and ratchet Tooth is corresponding to be inserted between cog, such as the lateral surface that spine refers to is plane, meanwhile, spine, which refers to, to be arranged by shaft in bracket On, spine, which refers to, is provided with the elastic mechanisms such as wind spring between bracket to keep it to contact with the fitting of the lateral surface of the tooth of ratchet.Ratchet Length refer to that rotation resets no more than the stroke of support arm relative orbit so as to end positions spine, be so that whole protection can be played Preferably, it is of course also possible to use a half or thirds end stroke, is protected simultaneously to provide at highest point or neighbouring highest point Locking.Preferably, it is respectively formed on the outside of the root portion of outermost ratchet and on the inside of the root portion of most inner side ratchet in ratchet Arc recess rotates so that spine refers to.

That is, when the setting position that spine refers to is lifting extreme higher position, centered on track middle part, the outermost end of two ratchets Tooth just refers to holding engagement with spine, and the wind spring between ratchet and bracket guarantees that the two effectively contacts fitting, realizes firm support.Simultaneously Can be effectively ensured can realize that ratchet flips outward when drive rod driving in this way, and contact releases convenient for decline, to realize control lever Driving spine refers to synchronous flip-over, and spine described in two refers to that the upper corresponding upper and lower part in shaft is respectively arranged with elongated slot, The control lever is linked by driving lever and the elongated slot, and control lever can be realized and synchronize inwardly or synchronize outward to what spine referred to Rotation control, meanwhile, it is additionally provided with guiding storehouse between control lever and bracket, is provided with reset spring between being oriented to storehouse, protects in this way Card resets rapid.

In lifting process, ratchet moves the supporting plate of the utility model with the matched sliding block 31 in bottom rail road, matches with ratchet Spine refer to that be rotatably fixed setting keeps interfering in 13 side of bottom rail road and with ratchet, ratchet and spine refer to that realization is real-time self-locking, Guarantee the supporting role of the support arm 3 of splayed Boulez in lifting process.When supporting plate is after giving rise to appropriate location, retaining mechanism is dynamic Make and two support arms are locked from it separate, retaining mechanism, ratchet, spine refer to realization locking duplicate protection.It is in eight using two The support arm of font Boulez is supported supporting plate, and the pressure of effectively slow lift drive mechanism, support force is strong and stablizes, and guarantees simultaneously It will not be subjected to displacement, big short circuit current occur or for there is the occasion of vibration to guarantee that support absolute stability is reliable.

It wherein, is the lifting for realizing supporting plate, the driving mechanism of the supporting plate 2 includes drive rod 4, with the drive rod The variable-speed motor 5 of transmission connection, such as worm and gear, the elevating screw 6 being sequentially connected with the output shaft of the variable-speed motor is set thereon It is equipped with and the driving beam 20 of the matched lifting nut of the elevating screw and corresponding is arranged between driving beam and bracket Guiding mechanism, the drive rod can be horizontally disposed with or be vertically arranged by handwheel or motor driven, the drive rod, Realize that stablizing for supporting plate rises using drive rod combination variable-speed motor and with elevating screw and lifting nut, the guiding Mechanism is the guide rail slide block mechanism being arranged between the driving beam and the bracket, is provided using straight line rail high-precision The guiding of degree guarantees traveling comfort.

Wherein the supporting plate is fixedly connected with the driving beam, and the driving beam is L-type, and bottom sides are prominent There is horizontal platform, the lifting nut is fixed on the horizontal platform.Using L-type driving beam, bearing capacity is strong, horizontal in driving beam To installation supporting plate, guarantee stability and intensity

Referring to that the retaining mechanism includes along the bottom orbital direction while realizing real-time lock using ratchet spine At least a pair of rod-shaped or blocky tight lock part on the swingle is arranged in the swingle of extension, rotates the swingle Tight lock part can be achieved to lock or release support arm lower end.The swingle may be provided under the side or middle part in bottom rail road Just, directly swingle is unscrewed when supporting plate vertical direction is mobile, when supporting plate runs to predetermined position, by swingle cycle, general The lower end of two support arms is confined among two tight lock parts, that is, constitutes stable limit, and can effectively solve feed screw nut is having shake It cannot good self-locking situation when dynamic.And by the setting of multipair tight lock part, then realization can be fixed on to any setting height position It sets, convenient for field maintenance or renewal part etc..

Specifically using steps are as follows,

1) supporting plate is located at lowest order, pushes handcart that it is made to advance forward along supporting plate, until limiting section limits docking section simultaneously Handcart is locked with respect to supporting plate；The connection of baseline is also completed at this time, while the releasing on inclined-plane guarantees during up and down motion Consistency；

2) driving supporting plate rises, and support arm lower end is synchronous to collapse along bottom rail road, and inswept spine refers to the tooth of ratchet one by one；Rising Cheng Zhong, spine refers to provides lock support with ratchet in real time, and guarantee will not fall phenomenon etc.,

3) supporting plate rises to extreme higher position, stops driving, and spine refers to the outside positioned at ratchet outermost tooth and holds out against, rotation rotation Bull stick is locked support arm lower end using tight lock part；The two double locking improves locking stability,

4) when needing to fall, rotation swingle discharges tight lock part, while pushing control lever to refer to spine and being turned out releasing With engaging for ratchet；Spine, which refers to, at this time will not occur any contact with ratchet,

5) driving supporting plate drops to low level, releases the locking of opposite supporting plate, pulls out handcart to repair the behaviour such as maintenance Make.

The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into retouching.

Claims (7)

1. a kind of lift dual power supply device, which is characterized in that be provided with the bracket of vertical beam including middle part, be arranged in bracket Vertical beam two sides elevating mechanism, executing agency is provided on the elevating mechanism, the elevating mechanism includes being driven phase To the supporting plate of executing agency described in bracket vertical lifting and carrying, it is hinged on two below the supporting plate branch in splayed Boulez Arm, the bottom rail road for being cooperatively connected with the support arm lower end and being fixedly connected with bracket, and to will be under two support arms End is locked from its separated retaining mechanism.

2. lift dual power supply device as described in claim 1, which is characterized in that the driving mechanism packet of the supporting plate Drive rod is included, the elevating screw being sequentially connected with the drive rod is provided with and the matched liter of the elevating screw Drop nut driving beam and corresponding the guiding mechanism being arranged between driving beam and bracket, wherein the supporting plate and institute The driving beam stated is fixedly connected.

3. lift dual power supply device as claimed in claim 2, which is characterized in that the drive rod it is horizontally disposed and By the worm and gear driving elevating screw rotation, the drive rod is by handwheel or motor driven.

4. lift dual power supply device as claimed in claim 2, which is characterized in that the guiding mechanism is that setting exists Guide rail slide block mechanism between the driving beam and the bracket.

5. lift dual power supply device as claimed in claim 2, which is characterized in that the support arm lower end be provided with The matched sliding block in bottom rail road is to realize the support arm lower end being slidably matched with respect to bottom rail road.

6. lift dual power supply device as claimed in claim 5, which is characterized in that the retaining mechanism includes fixing Be arranged on the slide block and the strip ratchet that extends of direction along ng a path, the opposite rotatable fixation of bracket and with the ratchet Corresponding spine refers to, and the spine can be driven to refer to synchronous outwardly or inwardly overturn so that its holding or disengaging were contacted with ratchet Control lever.

7. the lift dual power supply device as described in claim 2 or 6, which is characterized in that the retaining mechanism includes The swingle extended along the bottom orbital direction, is arranged at least a pair of of tight lock part on the swingle, described in rotation Swingle can realize that tight lock part locks or release support arm lower end.