CN107963570A - Stepping brace type vertical lift device and control method - Google Patents
Stepping brace type vertical lift device and control method Download PDFInfo
- Publication number
- CN107963570A CN107963570A CN201710020585.7A CN201710020585A CN107963570A CN 107963570 A CN107963570 A CN 107963570A CN 201710020585 A CN201710020585 A CN 201710020585A CN 107963570 A CN107963570 A CN 107963570A
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- China
- Prior art keywords
- ratchet
- spine
- supporting plate
- support arm
- vertical lift
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of stepping brace type vertical lift device, including stent, the supporting plate of driven opposite brackets vertical lifting, it is hinged on two below the supporting plate support arms in splayed Boulez, the bottom rail road for being connected with the support arm lower end and being fixedly connected with stent, and step-by-step movement supporting mechanism, the supporting plate of the present invention is in lifting process, ratchet is with the matched slide block movement in bottom rail road, refer to be rotatably fixed with the matched spine of ratchet and be arranged on bottom rail road side and keep interfering with ratchet, ratchet refers to spine realizes real-time self-locking, when just in case occurring to run out of steam in lifting process, spine refers to can provide effective support with ratchet, ensure the supporting role of the support arm of splayed Boulez in lifting process.
Description
Technical field
The present invention relates to double power supply converting switch equipment and its switchgear technical field, is supported more particularly to a kind of stepping
Formula vertical lift device and control method.
Background technology
Known distribution technique field, draw-out mechanism is due to having the characteristics that convenient obtain is replaced in easy to operate, maintenance
It is commonly used.Current techniques use the drawing mechanism of horizontal direction mostly, and operator front level is operated, in order to have enough
Horizontal depth, complete to be pulled out and in the completion of action, the attached body of switchgear requires longitudinal depth, particularly in high-voltage switch
In cabinet, using extraction structure so that high-tension switch cabinet longitudinal direction depth is larger, increases the volume of cabinet.
If being pulled out and in action by horizontal and being converted to action on vertical direction, deep space can be effectively saved,
But how for power supply control etc. the effectively stable lifting of offer, especially in lifting process provide put support of falling, company
Connect position provide it is permanent firm and can the support of anti-vibration become urgent problem.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of stepping brace type vertically rises
Falling unit and control method.
Technical solution is used by achieve the object of the present invention：
A kind of stepping brace type vertical lift device, including stent, the supporting plate of driven opposite brackets vertical lifting, are hinged on
Two support arms in splayed Boulez below supporting plate, the bottom for being connected with the support arm lower end and being fixedly connected with stent
Track, and step-by-step movement supporting mechanism,
The step-by-step movement supporting mechanism includes being respectively fixedly disposed at two that on the sliding block and direction along ng a path extends
Segment length's strip ratchet, the rotatable fixation of opposite brackets and spine corresponding with the ratchet refer to, and the spine can be driven to refer to
It is synchronous outwardly or inwardly to overturn so that it keeps or depart from the control lever contacted with ratchet.
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 the driving beam with the matched lifting nut of the elevating screw, and corresponding is arranged between driving beam and stent
Guiding mechanism, wherein the supporting plate is fixedly connected with the driving beam.
The drive rod is horizontally disposed with and is rotated by the worm and gear driving elevating screw, the drive rod
Driven by handwheel or motor.
The guiding mechanism is the guide rail slide block mechanism being arranged between the driving beam and the stent.
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 swingle along the bottom orbital direction extension is further included, at least a pair of of the lock being arranged on the swingle
Tight portion, locking or release of the tight lock part to support arm lower end can be realized by rotating the swingle.
A kind of control method of the stepping brace type vertical lift device, it is characterised in that comprise the following steps,
1) supporting plate is located at lowest order；
2) supporting plate is driven to rise, 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 positioned at the outside of ratchet outermost tooth and holds out against,
4) when needing to fall, control lever is promoted spine is referred to be turned out releasing and is engaged with ratchet；
5) driving supporting plate drops to low level, and control lever makes spine refer to reset.
Further include rotation swingle in the step 3) to lock support arm lower end using tight lock part, in step 4) transfer
Dynamic swingle discharges tight lock part.
Compared with prior art, the beneficial effects of the invention are as follows：
In lifting process, ratchet refers to the supporting plate of the present invention with the matched slide block movement in bottom rail road with the matched spine of ratchet
It is rotatably fixed and is arranged on bottom rail road side and keeps interfering with ratchet, ratchet refers to spine realizes real-time self-locking, when contingency is sent out
When running out of steam in raw lifting process, spine refers to can provide effective support with ratchet, ensure the branch of splayed Boulez in lifting process
The supporting role of arm.
Brief description of the drawings
Fig. 1 show the structure diagram of the elevating mechanism of the present invention.
Fig. 2 show the side structure schematic view shown in Fig. 1；
The action schematic diagram that ratchet shown in Fig. 3 and spine refer to；
Fig. 4 show the A portions close-up schematic view shown in Fig. 3,
Fig. 5 show the B portions close-up schematic view shown in Fig. 3.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
As shown in Figs. 1-5, stepping brace type vertical lift device of the invention, it is perpendicular that it includes stent, driven opposite brackets 1
The supporting plate 2 of drop is gone straight up to, be hinged on middle part below supporting plate two are in the support arm 3 of splayed Boulez, are matched somebody with somebody with 3 lower end of support arm
Close connection and the bottom rail road 13 being fixedly connected with the horizontal part of stent, and step-by-step movement supporting mechanism.Support arm lower end and bottom rail road
Cooperation can use various ways, the cooperation of such as embedded roller and groove, can be achieved support arm lower end with respect to bottom rail road along its
Axial movement.
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
The opposite bottom rail road in end is slidably matched, and if bottom rail road be slide, support arm lower end is hinged with the matched sliding block of slide, utilization
The mating connection of bottom rail road and support arm lower end, when supporting plate lift, two support arm lower ends relative to reverse sync movement, that is, close up or
Separate, lower end locking can be ensured that blade position does not change using retaining mechanism when rising to predetermined altitude.
Meanwhile be enhancing support strength, the supporting plate and driving beam vertical portion be L-type, at the same in lower part setting or
Both sides set reinforcing plate to improve bearing capacity, ensure stability and intensity.
The step-by-step movement supporting mechanism includes being fixed at the strip that on the sliding block and direction along ng a path extends
Ratchet 14, the rotatable fixation of opposite brackets and spine corresponding with the ratchet refer to 32, and the spine can be driven to refer to synchronization
Outwardly or inwardly overturn so that it keeps or depart from the control lever 33 contacted with ratchet.Elevator is realized in the cooperation that spine refers to ratchet
Structure pins support arm in real time when rising, i.e., spine refers to forms an one-way locking mechanism with ratchet.The spine refers to ratch mechanism and is similar to spine
Ratchet is taken turns, spine of the invention refers to the ratchet being equivalent in ratchet ratchet, and the ratchet in the present invention is equivalent to straight in ratchet ratchet
Ratchet after line expansion.
Specifically, using carriage center as inner side, both ends are outside, by ratchet be located at spine refer to top exemplified by carry out it is exemplary
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 for slope surface or cambered surface to decline when ratchet tooth it is inswept from it, lateral surface and ratchet
Tooth is corresponding to be inserted between cog, and the lateral surface that such as spine refers to is plane, meanwhile, spine refers to is arranged on stent by shaft
On, spine refers to is provided with the elastic mechanisms such as wind spring to keep it to be contacted with the fitting of the lateral surface of the tooth of ratchet between stent.Ratchet
Length no more than support arm relative orbit stroke so as to end positions spine refer to rotation reset, using can play whole process protection as
Preferably, it is of course also possible to use a half or thirds end stroke, is protected simultaneously to be provided in peak or neighbouring peak
Locking.Preferably, it is respectively formed with ratchet on the outside of the root portion of outermost ratchet and most on the inside of the root portion of inner side ratchet
Arc recess rotates so that spine refers to.
That is, when the setting position that spine refers to is lifts 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 stent ensures that both effectively contact fitting, realizes firm support.At the same time
Can be effectively ensured can so realize that ratchet is flipped outward when drive rod drives, and contact is released easy to decline, to realize control lever
Driving spine refers to synchronous flip-over, the spine described in two refer to it is upper it is corresponding be respectively arranged with elongated slot in the upper and lower part of shaft,
The control lever passes through driving lever and the elongated slot links, you can realizes that control lever refers to spine synchronously inwardly or synchronous outside
Control is rotated, meanwhile, it is additionally provided between control lever and stent and is oriented to storehouse, resetting spring is provided between storehouse is oriented to, is so protected
Card resets rapid.
The supporting plate of the present invention is in lifting process, and ratchet is moved with the matched sliding block 31 in bottom rail road, with the matched spine of ratchet
Finger, which is rotatably fixed, to be arranged on 13 side of bottom rail road and keeps interfering with ratchet, and ratchet refers to spine realizes real-time self-locking, when ten thousand
When running out of steam in one generation lifting process, spine refers to can provide effective support with ratchet, ensure splayed Boulez in lifting process
Support arm 3 supporting role.
Wherein, to realize the lifting of supporting plate, the driving mechanism of the supporting plate 2 includes drive rod 4, with the drive rod
The variable-speed motor 5 of drive connection, such as worm and gear, the elevating screw 6 being sequentially connected with the output shaft of the variable-speed motor, sets thereon
It is equipped with the driving beam 20 with the matched lifting nut of the elevating screw, and corresponding is arranged between driving beam and stent
Guiding mechanism, the drive rod drives by handwheel or motor, and the drive rod can be horizontally disposed with or be vertically arranged,
That supporting plate is realized using drive rod combination variable-speed motor and with elevating screw and lifting nut stablizes rising, the guiding
Mechanism is the guide rail slide block mechanism being arranged between the driving beam and the stent, is provided using straight line rail high-precision
The guiding of degree, ensures traveling comfort.
The wherein described supporting plate is fixedly connected with the driving beam, and the driving beam is L-type, its bottom sides protrudes
There is horizontal platform, the lifting nut is fixed on the horizontal platform.Beam is driven using L-type, bearing capacity is strong, drives horizontal on beam
To installation supporting plate, ensure stability and intensity
Referred to using ratchet spine realize real-time lock while, the retaining mechanism is included along the bottom orbital direction
The swingle of extension, at least a pair of rod-shaped or block tight lock part being arranged on the swingle, rotates the swingle
Locking or release of the tight lock part to support arm lower end can be achieved.The swingle may be provided under the side or middle part in bottom rail road
Side, directly unscrews swingle when supporting plate vertical direction move, when supporting plate runs to precalculated position, by swingle cycle, general
The lower end of two support arms is confined among two tight lock parts, that is, forms stable spacing, and can effectively solve feed screw nut is having shake
When dynamic cannot good self-locking situation.And by the setting of multipair tight lock part, then realization can be fixed on to any setting height position
Put, easy to field maintenance or renewal part etc..
It is specifically as follows using step,
1) supporting plate is located at lowest order；
2) supporting plate is driven to rise, 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 in real time with ratchet, and guarantee will not fall phenomenon etc.,
3) supporting plate rises to extreme higher position, stops driving, and spine refers to positioned at the outside of ratchet outermost tooth and holds out against, and rotates rotation
Bull stick is locked support arm lower end using tight lock part；Both double locking, improve locking stability,
4) when needing to fall, rotating swingle discharges tight lock part, while promotes control lever to refer to spine and be turned out releasing
With engaging for ratchet；Spine refers at this time will not occur any contact with ratchet,
5) driving supporting plate drops to low level.
During rise, spine refers to provides full-time whole protection with ratchet, security is improved, when supporting plate is giving rise to appropriate position
Postpone, retaining mechanism acts and two support arms are locked from it and separates, and retaining mechanism, ratchet, spine refer to realization and lock dual guarantor
Shield.Supporting plate is supported in the support arm of splayed Boulez using two, the pressure of effectively slow lift drive mechanism, support force is strong
And stablize, while ensure to be subjected to displacement, big short circuit current flow occurs or for there is the occasion of vibrations to ensure that support is definitely steady
It is fixed reliable.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. stepping brace type vertical lift device, it is characterised in that including stent, the support of driven opposite brackets vertical lifting Plate, is hinged on two below the supporting plate support arms in splayed Boulez, is connected with the support arm lower end and consolidates with stent Surely the bottom rail road connected, and step-by-step movement supporting mechanism,The step-by-step movement supporting mechanism include being respectively fixedly disposed on the sliding block and direction along ng a path extension it is two sections long Strip ratchet, the rotatable fixation of opposite brackets and spine corresponding with the ratchet refer to, and the spine can be driven to refer to synchronization Outwardly or inwardly overturn so that it keeps or depart from the control lever contacted with ratchet.
- 2. stepping brace type vertical lift device as claimed in claim 1, it is characterised in that the driving mechanism of the supporting plate Including drive rod, the elevating screw being sequentially connected with the drive rod, is provided with matched with the elevating screw The driving beam of lifting nut, and corresponding the guiding mechanism being arranged between driving beam and stent, wherein the supporting plate with The driving beam is fixedly connected.
- 3. stepping brace type vertical lift device as claimed in claim 2, it is characterised in that the drive rod is horizontally disposed with And rotated by the worm and gear driving elevating screw, the drive rod is driven by handwheel or motor.
- 4. stepping brace type vertical lift device as claimed in claim 2, it is characterised in that the guiding mechanism is setting Guide rail slide block mechanism between the driving beam and the stent.
- 5. stepping brace type vertical lift device as claimed in claim 1, it is characterised in that the support arm lower end is provided with With the matched sliding block in bottom rail road to realize being slidably matched for the opposite bottom rail road in support arm lower end.
- 6. the stepping brace type vertical lift device as described in claim 4 or 8, it is characterised in that further include along the bottom The swingle of orbital direction extension, at least a pair of of the tight lock part being arranged on the swingle, rotating the swingle can Realize locking or release of the tight lock part to support arm lower end.
- It is 7. a kind of as the control method of claim 1-6 any one of them stepping brace type vertical lift devices, its feature exist In, comprise the following steps,1) supporting plate is located at lowest order；2) supporting plate is driven to rise, 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 positioned at the outside of ratchet outermost tooth and holds out against,4) when needing to fall, control lever is promoted spine is referred to be turned out releasing and is engaged with ratchet；5) driving supporting plate drops to low level, and control lever makes spine refer to reset.
- 8. control method as claimed in claim 7, it is characterised in that further included in the step 3) and rotate swingle profit Support arm lower end is locked with tight lock part, swingle is rotated in step 4) discharges tight lock part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020585.7A CN107963570B (en) | 2017-01-12 | 2017-01-12 | Step-by-step supporting type vertical lifting device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020585.7A CN107963570B (en) | 2017-01-12 | 2017-01-12 | Step-by-step supporting type vertical lifting device and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107963570A true CN107963570A (en) | 2018-04-27 |
| CN107963570B CN107963570B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020585.7A Active CN107963570B (en) | 2017-01-12 | 2017-01-12 | Step-by-step supporting type vertical lifting device and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115502A (en) * | 2019-12-03 | 2020-05-08 | 东莞华贝电子科技有限公司 | Automatic lifting device |
| CN111122039A (en) * | 2019-12-27 | 2020-05-08 | 北京旷视机器人技术有限公司 | Test assembly, dolly test platform and AGV production line |
| CN112295700A (en) * | 2020-10-23 | 2021-02-02 | 上海陆达包装机械制造有限公司 | Sagger lifting device |
| CN115229987A (en) * | 2022-06-28 | 2022-10-25 | 合肥睿汇睿展智能科技有限公司 | Concrete batching ratio real-time adjustment supervisory systems |
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| CN87215784U (en) * | 1987-11-24 | 1988-10-26 | 桂林星火机械厂 | Horizontal hydraulic jack with self-locking for lift |
| US20110278517A1 (en) * | 2008-05-16 | 2011-11-17 | Thomas Deuring | Locking devices |
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| CN206427974U (en) * | 2017-01-12 | 2017-08-22 | 天津市先智电气设备有限公司 | Stepping brace type vertical lift device |
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| CN87215784U (en) * | 1987-11-24 | 1988-10-26 | 桂林星火机械厂 | Horizontal hydraulic jack with self-locking for lift |
| US20110278517A1 (en) * | 2008-05-16 | 2011-11-17 | Thomas Deuring | Locking devices |
| CN202181189U (en) * | 2011-08-01 | 2012-04-04 | 烟台三重技术开发有限公司 | Flexible lifting mechanism of car body correction machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115502A (en) * | 2019-12-03 | 2020-05-08 | 东莞华贝电子科技有限公司 | Automatic lifting device |
| CN111115502B (en) * | 2019-12-03 | 2021-12-07 | 东莞华贝电子科技有限公司 | Automatic lifting device |
| CN111122039A (en) * | 2019-12-27 | 2020-05-08 | 北京旷视机器人技术有限公司 | Test assembly, dolly test platform and AGV production line |
| CN112295700A (en) * | 2020-10-23 | 2021-02-02 | 上海陆达包装机械制造有限公司 | Sagger lifting device |
| CN115229987A (en) * | 2022-06-28 | 2022-10-25 | 合肥睿汇睿展智能科技有限公司 | Concrete batching ratio real-time adjustment supervisory systems |
| CN115229987B (en) * | 2022-06-28 | 2024-04-12 | 合肥睿汇睿展智能科技有限公司 | Real-time adjustment and supervision system for proportioning of concrete ingredients |
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| Publication number | Publication date |
|---|---|
| CN107963570B (en) | 2023-08-18 |
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