CN206345658U - A kind of fall-preventing protection device of hoistable platform - Google Patents
A kind of fall-preventing protection device of hoistable platform Download PDFInfo
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- CN206345658U CN206345658U CN201621271786.1U CN201621271786U CN206345658U CN 206345658 U CN206345658 U CN 206345658U CN 201621271786 U CN201621271786 U CN 201621271786U CN 206345658 U CN206345658 U CN 206345658U
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Abstract
The utility model discloses a kind of fall-preventing protection device of hoistable platform, including frame and fixed platform, the both sides of fixed platform are symmetrically vertically arranged with least one pair of supporting plate, the both sides of frame are symmetrically arranged with least one set of protection mechanism, each protection mechanism includes the stationary rack being fixed on vertically in frame and fixed mounting bracket on the supporting plate, a groove is provided with mounting bracket, the motion rack engaged with stationary rack is provided with groove, the upper surface and lower surface of the teeth groove of stationary rack are acclivitous inclined-plane, the spring mechanism for controlling motion rack and stationary rack separation or engagement is provided between mounting bracket and motion rack；Advantage is simple in construction, easy to operate and energy is rapid and effectively prevents fixed platform from falling.
Description
Technical field
The utility model is related to a kind of hoistable platform, more particularly to a kind of fall-preventing protection device of hoistable platform.
Background technology
Hydraulic elevating platform is a kind of Multifunctional hoisting loading mechanization equipment, and it is low with simple and reasonable, manufacturing cost
And lifting speed has obtained the accreditation in market soon, is just progressively replacing traditional hoistable platform by power of motor.It is existing
Hydraulic elevating platform is generally comprised to be additionally provided with frame and the fixed platform for load bearing equipment being arranged in frame, frame
Hydraulic lifting mechanism for lifting fixed platform, in order to prevent the equipment placed in lifting process on the stationary platform from falling
Fall, both sides on the stationary platform are provided with fence, are fixed between fence and fixed platform by supporting plate.
In order to prevent the fixed platform in hydraulic elevating platform is fallen suddenly in lifting process from threatening equipment and personnel
Safety, is typically additionally provided with the falling proof devices such as anti-falling safety device, safety tongs on hydraulic elevating platform, is electrically set while coordinating
It is standby to be used together.It is usually to be triggered with lapse rate, some are anti-fall and existing falling proof device is complicated and stability is poor
When the speed that dropping control device also needs to sufficiently large difference in height or decline reaches the setting value of device, device can just start, it is impossible to
Embody the due omnibearing protection effect of release mechanism；When either being used cooperatively with electrical system, when electrical system has a power failure
When either the system failure goes wrong, it is impossible to given play to due safety effect, there is great potential safety hazard.
The content of the invention
Main purpose of the present utility model is to provide a kind of fall-preventing protection device of hoistable platform, its simple in construction, behaviour
Make convenient and energy rapidly and effectively prevent fixed platform from falling.
To achieve the above objectives, the technical solution adopted in the utility model is：A kind of fall-preventing protection device of hoistable platform,
Including frame and fixed platform, the both sides of described fixed platform are symmetrically vertically arranged with least one pair of supporting plate, described machine
The both sides of frame are symmetrically arranged with least one set of protection mechanism, and each described protection mechanism includes being fixed on described frame vertically
On stationary rack and the mounting bracket that is fixed in described supporting plate, be provided with a groove on described mounting bracket, it is described
It is provided with the motion rack engaged with described stationary rack in groove, the upper surface and lower end of the teeth groove of described stationary rack
Face is acclivitous inclined-plane, is provided between described mounting bracket and described motion rack for controlling described motion
Rack and the spring mechanism of described stationary rack separation or engagement；Described fixed platform drives described mounting bracket to transport upwards
When dynamic, described motion rack is separated under described spring mechanism effect with described stationary rack；Described fixed platform
During with described mounting bracket stop motion, the described motion rack of described spring mechanism control again with described stationary rack
Engagement.
Described spring mechanism include at least one spring mounting seat being arranged on described mounting bracket, be arranged on it is described
Spring mounting seat in spring and the guide blot that is coaxially disposed with described spring, one end of described spring is connected to
The back side of described motion rack, the other end is fixed on the bottom of described spring mounting seat, described spring mounting seat volume bottom
It is provided with through hole in portion, one end of described guide blot is through being fixed on described fortune after described through hole and described spring
The back side of carry-over bar.When mounting bracket is moved upwards, motion rack is skidded off stationary rack obliquely by upward active force
Teeth groove, and separated under the action of the spring with stationary rack, axial direction of the spring along guide blot is compressed, and works as installation
During frame stop motion, the teeth of motion rack are directed at the teeth groove of stationary rack, and spring reset promotes motion rack and stationary rack
Engagement, it is in this way, simple in construction, it can quickly realize the cooperation of motion rack and stationary rack.
Described spring mounting seat is two, and is symmetricly set on described mounting bracket.In each spring mounting seat
Spring is provided with, it, which is advantageous in that, makes motion rack uniform force, it is ensured that motion process is stable.
Being provided between described mounting bracket and described motion rack makes described motion rack and described fixing tooth
Bar is maintained at the locking mechanism of released state.When needing to make fixed platform smoothly decline, locking mechanism makes motion rack and solid
Fixed rack is maintained at released state, and motion rack is not engaged with stationary rack, so as to realize that fixed platform can smoothly decline.
Described locking mechanism includes being vertically installed with gag lever post, described mounting bracket on poke rod, described poke rod
On be provided with the strip through-hole being adapted with described gag lever post, one end of described poke rod is passed through after described strip through-hole
It is screwed onto the back side of described motion rack；When described gag lever post is located in described strip through-hole, described motion rack
Engaged with described stationary rack；Described gag lever post removes described strip through-hole, described when rotating described poke rod
Gag lever post is connected on described mounting bracket, and now described motion rack is separated with described stationary rack.Pull poke rod,
Gag lever post is removed strip through-hole, motion rack and stationary rack separation, then rotate poke rod, gag lever post is also and then turned
Dynamic, gag lever post is staggered with strip through-hole, is connected on mounting bracket, now, and motion rack is completely in groove, without external force
In the presence of, motion rack is separated with stationary rack all the time, will not be engaged automatically with stationary rack.
The other end of described poke rod is vertically installed with pull bar, and described pull bar is located at the outside of described mounting bracket.
It is advantageous in that convenient pull-out poke rod.
The upper surface of the teeth groove of described stationary rack is set obliquely horizontal by 60 °, described stationary rack
The lower surface of teeth groove is set obliquely horizontal by 5 °.On the one hand the teeth groove of this shape makes stationary rack and moves rack
Engagement is more reliable, is difficult to slide, on the other hand ensures in uphill process, and motion rack motion is smooth.
Described motion rack respectively leaves 1mm gap with described groove in-between.Its main purpose is when fixation
When platform drops, motion rack root end is blocked with mounting bracket, and the reaction time that plays a protective role is extremely short, while at utmost
Protect fixed platform balance.
1mm is left between described side shield and described motion rack covered with side shield in the side of described groove
Gap.Using side shield mainly for preventing motion rack from skidding off, while ensureing exist between side shield and motion pawl bar
1mm spacing, with certain freedom.
The both sides of described frame are symmetrically arranged with two groups of protection mechanisms.It is advantageous in that anti-fall effect is further carried
It is high.
Compared with prior art, the utility model has the advantage of：Stationary rack is fixed in frame, and mounting bracket is arranged on
In the supporting plate of fixed platform, when fixed platform drives mounting bracket to move upwards, effect and mounting bracket due to spring mechanism
Upward active force, motion rack is separated with stationary rack obliquely；When fixed platform stops rising, spring mechanism resets,
Motion rack is promoted to be engaged with stationary rack, can be to fixed platform now because motion rack is blocked with stationary rack
Timely protective effect is played, prevents it from falling, and does not influence in lifting process the lifting of fixed platform；The utility model structure
Simply, it is simple and convenient using purely mechanic mechanism, it is anti-fall to work well.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is the close-up schematic view at A in the utility model Fig. 1；
Fig. 3 is the structural representation of the utility model safeguard structure；
Fig. 4 is sectional view when motion rack coordinates with stationary rack in the utility model；
Fig. 5 is sectional view when motion rack is separated with stationary rack in the utility model；
Fig. 6 is the dimensional structure diagram of safeguard structure decomposing state in the utility model.
Embodiment
Invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：As shown in Figures 1 to 6, a kind of fall-preventing protection device of hoistable platform, including frame 1 are put down with fixed
Platform 2, the both sides of fixed platform 2 are symmetrically vertically arranged with a pair of supporting plates 21, and the both sides of frame 1 are symmetrically arranged with one group of protection machine
Structure 3, each protection mechanism 3 includes the stationary rack 31 being fixed on vertically in frame 1 and the mounting bracket being fixed in supporting plate 21
32, the motion rack 34 for being provided with and being engaged with stationary rack 31 in a groove 33, groove 33, fixing tooth are provided with mounting bracket 32
The upper surface 312 and lower surface 313 of the teeth groove 311 of bar 31 are acclivitous inclined-plane, mounting bracket 32 and motion rack 34 it
Between be provided with for controlling motion rack 34 and the spring mechanism 4 that separates or engage of stationary rack 31；Fixed platform 2, which drives, to be installed
When frame 32 is moved upwards, motion rack 34 is separated under the effect of spring mechanism 4 with stationary rack 31；Fixed platform 2 and mounting bracket
During 32 stop motion, the control motion rack 34 of spring mechanism 4 is engaged with stationary rack 31 again.
Embodiment two：As shown in Figures 1 to 6, a kind of fall-preventing protection device of hoistable platform, including frame 1 are put down with fixed
Platform 2, the both sides of fixed platform 2 are symmetrically vertically arranged with two pairs of supporting plates 21, and the both sides of frame 1 are symmetrically arranged with two groups of protection machines
Structure 3（I.e. four protection mechanisms）, each protection mechanism 3 includes the stationary rack 31 that is fixed on vertically in frame 1 and is fixed on branch
It is provided with mounting bracket 32 on fagging 21, mounting bracket 32 and is provided with what is engaged with stationary rack 31 in a groove 33, groove 33
Rack 34 is moved, the upper surface 312 and lower surface 313 of the teeth groove 311 of stationary rack 31 are acclivitous inclined-plane, mounting bracket
The spring mechanism 4 for controlling motion rack 34 and stationary rack 31 to separate or engage is provided between 32 and motion rack 34；
When the drive mounting bracket 32 of fixed platform 2 is moved upwards, motion rack 34 is separated under the effect of spring mechanism 4 with stationary rack 31；
During 32 stop motion of fixed platform 2 and mounting bracket, the control motion rack 34 of spring mechanism 4 is engaged with stationary rack 31 again.
In the present embodiment, spring mechanism 4 includes two spring mounting seats 41 symmetrical above and below being arranged on mounting bracket 32, set
The spring 43 in spring mounting seat 41 and the guide blot 42 being coaxially disposed with spring 43 are put, one end of spring 43 is connected to
The back side of rack 34 is moved, the other end is fixed on the bottom of spring mounting seat 41, spring mounting seat 41 and is additionally provided with through hole, leads
The back side that motion rack 34 is fixed on after through hole is passed through to one end of bolt 42.
In the present embodiment, being provided between mounting bracket 32 and motion rack 34 keeps motion rack 34 and stationary rack 31
In the locking mechanism 5 of released state.Locking mechanism 5 includes being vertically installed with gag lever post 52 on poke rod 51, poke rod 51, installs
The strip through-hole 53 being adapted with gag lever post 52 is provided with frame 32, strip through-hole 53 is located in two spring mounting seats 41
Between, one end of poke rod 51 passes through the back side that motion rack 34 is screwed onto after strip through-hole 53；Gag lever post 52 is located at strip through-hole
When in 53, motion rack 34 is engaged with stationary rack 31；Gag lever post 52 removes strip through-hole 53, spacing when rotating poke rod 51
Bar 52 is connected on mounting bracket 32, is now moved rack 34 and is separated with stationary rack 31.
In the present embodiment, the other end of poke rod 51 is vertically installed with pull bar 54, and pull bar 54 is located at the outside of mounting bracket 32.
In the present embodiment, the upper surface 312 of the teeth groove 311 of stationary rack 31 is set obliquely horizontal by 60 °, fixed
The lower surface 313 of the teeth groove 311 of rack 31 is set obliquely horizontal by 5 °.
In the present embodiment, motion rack 34 respectively leaves 1mm gap with groove 33 in-between.
In the present embodiment, 1mm's left in the side of groove 33 covered with side shield 6 between side shield 6 and motion rack 34
Gap.
When fixed platform 2 rises, supporting plate 21 drives mounting bracket 32 to move upwards, now moves rack 34 by upward
Active force, the teeth groove 311 of stationary rack 31 is skidded off obliquely, and separated in the presence of spring 43 with stationary rack 31,
And axial direction of the spring 43 along guide blot 42 is compressed, when 32 stop motion of mounting bracket, the teeth of rack 34 are moved
The teeth groove 311 of stationary rack 31 is directed at, spring 43 resets, promotes motion rack 34 to be engaged automatically with stationary rack 31, due to fortune
Carry-over bar 34 is blocked with stationary rack 31, once fixed platform 2 is fallen, can play timely guarantor to fixed platform 2
Shield is acted on, and prevents it from falling, and does not influence in lifting process the lifting of fixed platform 2.And under needing to make fixed platform 2 smoothly
During drop, pull bar 54 is pulled, gag lever post 52 is removed strip through-hole 53, motion rack 34 and stationary rack 31 are separated, then rotated
Poke rod 51, makes gag lever post 52 also and then rotate, gag lever post 52 is staggered with strip through-hole 53, is connected on mounting bracket 32, this
When, motion rack 34 is completely in groove 33, in the presence of external force, motion rack 34 all the time with 31 points of stationary rack
From, will not be engaged automatically with stationary rack 31 so that fixed platform 2 smoothly decline.
Claims (10)
1. a kind of fall-preventing protection device of hoistable platform, including frame and fixed platform, the both sides of described fixed platform are symmetrical
It is vertically arranged with least one pair of supporting plate, it is characterised in that：The both sides of described frame are symmetrically arranged with least one set of protection machine
Structure, each described protection mechanism includes the stationary rack being fixed on vertically in described frame and is fixed on described supporting plate
On mounting bracket, be provided with to be provided with a groove, described groove on described mounting bracket and engaged with described stationary rack
Motion rack, the upper surface and lower surface of the teeth groove of described stationary rack are acclivitous inclined-plane, described installation
It is provided between frame and described motion rack for controlling described motion rack and described stationary rack to separate or engage
Spring mechanism；When the described mounting bracket of described fixed platform drive is moved upwards, described motion rack is in described bullet
The effect of spring mechanism is lower to be separated with described stationary rack；It is described when described fixed platform and described mounting bracket stop motion
The described motion rack of spring mechanism control engaged again with described stationary rack.
2. a kind of fall-preventing protection device of hoistable platform according to claim 1, it is characterised in that：Described spring mechanism
The spring mounting seat that is arranged on including at least one on described mounting bracket, the spring being arranged in described spring mounting seat with
And the guide blot being coaxially disposed with described spring, one end of described spring is connected to the back side of described motion rack,
The other end is fixed on the bottom of described spring mounting seat, and the bottom of described spring mounting seat is provided with through hole, and described leads
The back side of described motion rack is fixed on after to one end of bolt through described through hole and described spring.
3. a kind of fall-preventing protection device of hoistable platform according to claim 2, it is characterised in that：Described spring is installed
Seat is two, and is symmetricly set on described mounting bracket.
4. a kind of fall-preventing protection device of hoistable platform according to claim 1, it is characterised in that：Described mounting bracket with
The locking for making described motion rack and described stationary rack be maintained at released state is provided between described motion rack
Mechanism.
5. a kind of fall-preventing protection device of hoistable platform according to claim 4, it is characterised in that：Described locking mechanism
Including poke rod, it is vertically installed with gag lever post, described mounting bracket and is provided with and described gag lever post on described poke rod
The strip through-hole being adapted, one end of described poke rod, which is passed through, is screwed onto described motion rack after described strip through-hole
The back side；When described gag lever post is located in described strip through-hole, described motion rack is engaged with described stationary rack；Institute
The gag lever post stated removes described strip through-hole, when rotating described poke rod, and described gag lever post is connected to described installation
On frame, now described motion rack is separated with described stationary rack.
6. a kind of fall-preventing protection device of hoistable platform according to claim 5, it is characterised in that：Described poke rod
The other end is vertically installed with pull bar, and described pull bar is located at the outside of described mounting bracket.
7. a kind of fall-preventing protection device of hoistable platform according to claim 1, it is characterised in that：Described stationary rack
The upper surface of teeth groove set obliquely horizontal by 60 °, the lower surface of the teeth groove of described stationary rack horizontal by
5 ° are set obliquely.
8. a kind of fall-preventing protection device of hoistable platform according to claim 1, it is characterised in that：Described motion rack
Respectively leave 1mm gap in-between with described groove.
9. a kind of fall-preventing protection device of hoistable platform according to claim 1, it is characterised in that：The one of described groove
1mm gap is left between described side shield and described motion rack covered with side shield in side.
10. a kind of fall-preventing protection device of hoistable platform according to claim 1-9 any claims, its feature exists
In：The both sides of described frame are symmetrically arranged with two groups of protection mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271786.1U CN206345658U (en) | 2016-11-24 | 2016-11-24 | A kind of fall-preventing protection device of hoistable platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271786.1U CN206345658U (en) | 2016-11-24 | 2016-11-24 | A kind of fall-preventing protection device of hoistable platform |
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| CN206345658U true CN206345658U (en) | 2017-07-21 |
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| CN201621271786.1U Active CN206345658U (en) | 2016-11-24 | 2016-11-24 | A kind of fall-preventing protection device of hoistable platform |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840181A (en) * | 2017-11-27 | 2018-03-27 | 株洲三新包装技术有限公司 | A kind of piler for pallet loader |
| CN107857150A (en) * | 2017-11-27 | 2018-03-30 | 株洲三新包装技术有限公司 | A kind of stacking machine stacking platform collating unit |
| CN108044510A (en) * | 2017-12-18 | 2018-05-18 | 苏州健雄职业技术学院 | A kind of bringing onto load moves up and down the protective device of cylinder |
| CN108118880A (en) * | 2017-12-29 | 2018-06-05 | 上海建工集团股份有限公司 | Townhouse formula rack anti-fall device and its application process |
| CN108249373A (en) * | 2017-12-29 | 2018-07-06 | 上海建工集团股份有限公司 | Spring into formula rack locking device and its application process |
| CN108466984A (en) * | 2018-04-05 | 2018-08-31 | 陈细妹 | A kind of middle-high building construction protective device |
| CN108516496A (en) * | 2018-05-31 | 2018-09-11 | 安徽智博新材料科技有限公司 | A kind of logistics fork truck bracing means |
| CN108516489A (en) * | 2018-05-10 | 2018-09-11 | 合肥航机械科技股份有限公司 | A kind of hydraulic cylinder lifting machine and its fall arrest method |
| CN108726443A (en) * | 2018-05-31 | 2018-11-02 | 安徽智博新材料科技有限公司 | A kind of fork truck fork plate activity strengthening mechanism |
| CN109231005A (en) * | 2018-10-30 | 2019-01-18 | 广东南桂起重机械有限公司 | A kind of anti-swing system of automatic crane dynamic of intelligent three-dimensional storage |
| CN109650293A (en) * | 2019-02-20 | 2019-04-19 | 深圳市智佳能自动化有限公司 | A kind of locking disconnected safety device of mechanical chain |
| CN110625028A (en) * | 2019-10-23 | 2019-12-31 | 镇江立达纤维工业有限责任公司 | Punching machine with mechanical locking device |
| CN112225121A (en) * | 2020-09-30 | 2021-01-15 | 重庆工商大学 | Anti-falling lifting device |
| CN117142404A (en) * | 2023-10-31 | 2023-12-01 | 启东凯顺机械制造有限公司 | Multi-stage variable-speed transmission structure for lifter |
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2016
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840181A (en) * | 2017-11-27 | 2018-03-27 | 株洲三新包装技术有限公司 | A kind of piler for pallet loader |
| CN107857150A (en) * | 2017-11-27 | 2018-03-30 | 株洲三新包装技术有限公司 | A kind of stacking machine stacking platform collating unit |
| CN108044510A (en) * | 2017-12-18 | 2018-05-18 | 苏州健雄职业技术学院 | A kind of bringing onto load moves up and down the protective device of cylinder |
| CN108118880A (en) * | 2017-12-29 | 2018-06-05 | 上海建工集团股份有限公司 | Townhouse formula rack anti-fall device and its application process |
| CN108249373A (en) * | 2017-12-29 | 2018-07-06 | 上海建工集团股份有限公司 | Spring into formula rack locking device and its application process |
| CN108249373B (en) * | 2017-12-29 | 2023-08-11 | 上海建工集团股份有限公司 | Spring-in type rack locking device and application method thereof |
| CN108466984A (en) * | 2018-04-05 | 2018-08-31 | 陈细妹 | A kind of middle-high building construction protective device |
| CN108516489B (en) * | 2018-05-10 | 2020-08-04 | 浙江宏业装备科技有限公司 | Hydraulic cylinder lifter and falling prevention method thereof |
| CN108516489A (en) * | 2018-05-10 | 2018-09-11 | 合肥航机械科技股份有限公司 | A kind of hydraulic cylinder lifting machine and its fall arrest method |
| CN108726443A (en) * | 2018-05-31 | 2018-11-02 | 安徽智博新材料科技有限公司 | A kind of fork truck fork plate activity strengthening mechanism |
| CN108516496A (en) * | 2018-05-31 | 2018-09-11 | 安徽智博新材料科技有限公司 | A kind of logistics fork truck bracing means |
| CN109231005A (en) * | 2018-10-30 | 2019-01-18 | 广东南桂起重机械有限公司 | A kind of anti-swing system of automatic crane dynamic of intelligent three-dimensional storage |
| CN109650293A (en) * | 2019-02-20 | 2019-04-19 | 深圳市智佳能自动化有限公司 | A kind of locking disconnected safety device of mechanical chain |
| CN110625028A (en) * | 2019-10-23 | 2019-12-31 | 镇江立达纤维工业有限责任公司 | Punching machine with mechanical locking device |
| CN112225121A (en) * | 2020-09-30 | 2021-01-15 | 重庆工商大学 | Anti-falling lifting device |
| CN112225121B (en) * | 2020-09-30 | 2022-03-25 | 重庆工商大学 | Anti-falling lifting device |
| CN117142404A (en) * | 2023-10-31 | 2023-12-01 | 启东凯顺机械制造有限公司 | Multi-stage variable-speed transmission structure for lifter |
| CN117142404B (en) * | 2023-10-31 | 2023-12-22 | 启东凯顺机械制造有限公司 | Multi-stage variable-speed transmission structure for lifter |
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