CN206359196U - Scissors type elevating guardrail - Google Patents
Scissors type elevating guardrail Download PDFInfo
- Publication number
- CN206359196U CN206359196U CN201720023183.8U CN201720023183U CN206359196U CN 206359196 U CN206359196 U CN 206359196U CN 201720023183 U CN201720023183 U CN 201720023183U CN 206359196 U CN206359196 U CN 206359196U
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- CN
- China
- Prior art keywords
- locking
- fixed
- scissor arms
- pair
- guardrail
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Abstract
A kind of scissors type elevating guardrail disclosed in the utility model, two scissor arms, which are mutually "X" shape, to be intersected and is hinged；The top surface of bracket is fixed with a pair of lower guideways；Hoist cylinder is located between locking device and stopping means, locking case is fixed on the piston rod of hoist cylinder, locking device and stopping means contradict the left and right sides of limiting locking case respectively, and the piston rod top of hoist cylinder and the cross-articulation of two scissor arms are point articulated；A pair of upper rails are fixed with the top of guardrail；The top of two scissor arms is slidably connected by roller with a pair of upper rails respectively, and the bottom of two scissor arms is slidably connected by roller with a pair of lower guideways respectively；The both sides of the guardrail are fixed with sliding block, and its compact conformation is reliable, and the medial surface of a pair of line rail mounting brackets is respectively and fixedly provided with line rail, and sliding block is slidably connected on line rail.Under prolonged lifting work, will not occur guardrail and be rocked in the air, improve safety and firmness, service life and the performance of elevating guardrail.
Description
Technical field
The utility model is related to the mechanical apparatus field of hoistable platform, more particularly to a kind of scissors type elevating guardrail.
Background technology
Hoistable platform has been widely used in warehouse, airport, station, factory, museum, hotel, hospital, market, physical culture
High NULLCHECK, maintenance, decoration, cleaning and the access goods in the places such as shop.It can be divided into scissor-type according to the difference of hoistable platform structure
Hoistable platform, reduction formula hoistable platform, telescopic hoistable platform, the arm-type hoistable platform of reduction, folding-jib hoistable platform；By movement
Method difference can be divided into fixed type lifting platform and mobile hoistable platform.
For example, the notification number disclosed in Chinese patent is：A kind of CN202201679U scissor-type lifting platform, including bottom
Seat, article carrying platform, drive device and the scissor-type support frame being arranged between base and article carrying platform, drive device control are cut
The opening and closing of V shape support frame, the lower surface of the article carrying platform is provided with castor；When scissor-type support frame is closed, article carrying platform
Positioned at low level, castor is contacted with ground, and hoistable platform leans on caster support；When scissor-type support frame opens, article carrying platform is located at
A high position, castor departs from ground, and base is contacted with ground, and hoistable platform is supported by base.Its structure is after guardrail rises, due to length
The rise and fall of phase constantly repeat and frequently do mechanical movement, cause the secure fit in elevator structure on continuous carry out
Rising can easily loosen under the motion declined, nor possess self-locking locking mechanism so that easy when human body is walked about in guardrail
Occur the vacillating and staggering of guardrail so that safety and firmness is reduced, and reduces performance.
Utility model content
The purpose of this utility model be designed to solve the deficiency of above-mentioned technology a kind of improve safety and firmness and
The scissors type elevating guardrail of performance.
Scissors type elevating guardrail designed by the utility model, including bracket, guardrail and two scissor arms, described two are cut
Yoke, which is mutually "X" shape, to be intersected and is hinged；
The top surface of the bracket is fixed with a pair of lower guideways；
The leading flank of the bracket is fixed with hoist cylinder, locking case, locking device, stopping means and a pair of line gauge peaces
Shelve, hoist cylinder is located between locking device and stopping means, locking case is fixed on the piston rod of hoist cylinder, is locked
Device and stopping means contradict the left and right sides of limiting locking case, the piston rod top of hoist cylinder and two scissor arms respectively
Cross-articulation it is point articulated；
A pair of upper rails are fixed with the top of the guardrail；
The top of two scissor arms is slidably connected by roller with a pair of upper rails respectively, and two scissor arms
Bottom be slidably connected respectively by roller with a pair of lower guideways；
The both sides of the guardrail are fixed with sliding block, and the medial surface of a pair of line rail mounting brackets is respectively and fixedly provided with line rail, and sliding block
It is slidably connected on line rail.
Further preferably, the piston rod top of the hoist cylinder and point articulated specific of the cross-articulation of two scissor arms
Structure is：Also include copper sheathing, the cross-articulation point of two scissor arms is connected by inserting after copper sheathing, and is inserted in copper sheathing
Have and back-up ring is socketed with the middle part of mandrel, mandrel, piston rod top and the mandrel of hoist cylinder are socketed.
Further preferably, the medial surface up and down of the upper rail and lower guideway is equipped with track strip, the periphery of the roller
Face is provided with annular groove, and track strip is caught in annular groove, and the two ends of two scissor arms are hinged by roller shaft with roller.
Further preferably, the locking device includes protective cover one, locking cylinder, fixed block one, sensing back-up ring and two
Proximity switch one, locking cylinder, fixed block one, sensing back-up ring and two proximity switches one are respectively positioned in protective cover one, locking oil
Cylinder is fixed on the top side location close to bracket by fixed block one, and sensing back-up ring is fixed in front of the piston rod of locking cylinder, used
The piston rod of locking cylinder is through sensing back-up ring when locking locking case is contradicted, and two proximity switches one are fixed on sensing back-up ring
Lower section.
Further preferably, the stopping means includes protective cover two, sensing lever and two proximity switches two, senses lever
It is respectively positioned on two proximity switches two in protective cover two, sensing lever is fixed on the bottom of locking case right flank, two approach
Switch two is arranged at intervals up and down in protective cover two, and sensing lever is corresponding with proximity switch two.
Further preferably, the hoist cylinder is suppressed by fixed block two and fixed.
Scissors type elevating guardrail designed by the utility model, its compact conformation is reliable, and locking is passed through after guardrail rise
Device will lock case locking, and there is the sidepiece of guardrail line rail and line rail mounting bracket to be positioned so that in guardrail in length
Under the lifting work of time, will not occur the phenomenon that guardrail rocks in the air, the safety for further increasing elevating guardrail is steady
Solidity, service life and performance.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the sectional view of embodiment 1；
Fig. 3 is the overall structure diagram that moves down of guardrail of embodiment 1；
Fig. 4 is the top view of embodiment 1；
Fig. 5 is the partial enlarged drawing of embodiment 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
The scope protected in the utility model.
Embodiment 1：
As shown in figure 1, the scissors type elevating guardrail described by the present embodiment, including bracket 16, guardrail 1 and two scissor arms
5, two scissor arms 5, which are mutually "X" shape, to be intersected and is hinged；
The top surface of the bracket 16 is fixed with a pair of lower guideways 2；
The leading flank of the bracket 16 is fixed with hoist cylinder 11, locking case 7, locking device 27, the and of stopping means 28
A pair of line gauge mounting brackets 17, hoist cylinder 11 is located between locking device 27 and stopping means 28, and locking case 7 is fixed on lifting
On the piston rod of oil cylinder 11, locking device 27 and stopping means 28 contradict the left and right sides of limiting locking case 7, lifting oil respectively
The piston rod top of cylinder 11 and the cross-articulation of two scissor arms 5 are point articulated；Its structure composition causes locking device 27 can to lock
Tight case 7 is locked together with hoist cylinder 11, and the piston rod that stopping means 28 is used for spacing hoist cylinder 11 carries out agretope
Put and lifted.
The top of the guardrail 1 is fixed with a pair of upper rails 3；
The top of two scissor arms 5 is slidably connected by roller 4 with a pair of upper rails 3 respectively, and described two are cut
The bottom of yoke 5 is slidably connected by roller with a pair of lower guideways 2 respectively；It is hinged so that being intersected in guardrail 1 by two
Scissor arms 5 fold or deploy and lifted so that lifting is reliable.
The both sides of the guardrail 1 are fixed with sliding block 18, and the medial surface of a pair of line rail mounting brackets 17 is respectively and fixedly provided with line rail 19,
And sliding block 18 is slidably connected on line rail 19.Its structure composition reaches that guardrail 1 has the work of firm lifting during lifting
With.
It is point articulated by the piston rod top of the hoist cylinder 11 and the cross-articulation of two scissor arms 5 in the present embodiment
Concrete structure be：Also include copper sheathing 22, the cross-articulation point of two scissor arms 5 is connected by inserting after copper sheathing 22,
And inserted with mandrel 20 in copper sheathing 22, the middle part of mandrel 20 is socketed with back-up ring 21, the piston rod top of hoist cylinder 11 and mandrel
20 sockets.So that compact conformation, and installing/dismounting is easy to maintenance, improve two scissor arms 7 being hinged that intersect fold or
Expansion is smoothly carried out, and improves practical performance.
Track strip 6, the roller 4 are equipped with by the medial surface up and down of the upper rail 3 and lower guideway 2 in the present embodiment
Outer peripheral face be provided with annular groove 41, track strip 6 is caught in annular groove 41, and the two ends of two scissor arms 5 pass through roller shaft 24 and rolling
Wheel 4 is hinged, and reaches that roller carries out spacing effect in movement by the track strip 6 in guide rail.
Protective cover 1, locking cylinder 14, fixed block 1, sensing gear are included by the locking device in the present embodiment
Circle 13 and two proximity switches 1, locking cylinder 14, fixed block 1, sensing back-up ring 13 and two equal positions of proximity switch 1
In in protective cover 1, locking cylinder 14 is fixed on the top side location close to bracket 16 by fixed block 1, senses back-up ring 13
In front of the piston rod for being fixed on locking cylinder 14, the piston rod of locking cylinder 14 is through sense during for contradicting locking locking case 7
Back-up ring 13 is answered, two proximity switches 1 are fixed on the lower section of sensing back-up ring 13；The stopping means 28 include protective cover 28,
Sense lever 10 and two proximity switches 29, sensing lever 10 and two proximity switches 29 are respectively positioned in protective cover 28, are sensed
Lever 10 is fixed on the bottom of the locking right flank of case 8, and two proximity switches 29 are arranged at intervals up and down in protective cover 28, and
Sense lever 10 corresponding with proximity switch 29.Its structure composition is compact reliable, when the piston rod top of locking cylinder 14 and lifting
The piston rod top of oil cylinder 11 is automatically stopped operation when reaching each proximity switch position, locking locking is carried out by locking cylinder 14
Case 7, improves using effect, and more reliable when locking.
Suppressed and fixed by fixed block 2 25 by the hoist cylinder 11 in the present embodiment.So that the fixation of lifting is more
It is solid and reliable, it is to avoid to loosen.
Operation principle：Guardrail 1 is in lowest order, and the piston rod of locking cylinder 14 is put in the fixing hole on locking case 7,
Ensuring guardrail will not rise, it is necessary to which when rising, the piston rod of locking cylinder 14 exits locking case 7, and proximity switch 29 is in sensing
To piston rod retract in place after, the piston rod jacking of hoist cylinder 11, drive two scissor arms 5 be raised above, drive guardrail 1 to
It is raised, proximity switch 29 senses that sensing pin 10 reaches a high position, and the piston rod of hoist cylinder 11 stops rising, locking oil
The piston rod of cylinder 14 stretches out, and after proximity switch 1 senses that the piston rod of locking cylinder 14 stretches out in place, and inserts locking cover
In the fixing hole of shell 7, locking cylinder 14 is out of service, and at this moment guardrail is fixed, it is impossible to decline.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase
Approximate technical scheme, all falls within protection domain of the present utility model.
Claims (6)
1. a kind of scissors type elevating guardrail, it is characterised in that：Including bracket, guardrail and two scissor arms, two scissor arms
Mutually it is "X" shape and intersects and be hinged；
The top surface of the bracket is fixed with a pair of lower guideways；
The leading flank of the bracket is fixed with hoist cylinder, locking case, locking device, stopping means and a pair of line gauges and installed
Frame, hoist cylinder is located between locking device and stopping means, and locking case is fixed on the piston rod of hoist cylinder, locking dress
Put the left and right sides for contradicting limiting locking case respectively with stopping means, the piston rod top of hoist cylinder and two scissor arms
Cross-articulation is point articulated；
A pair of upper rails are fixed with the top of the guardrail；
The top of two scissor arms is slidably connected by roller with a pair of upper rails respectively, and the bottom of two scissor arms
End is slidably connected by roller with a pair of lower guideways respectively；
The both sides of the guardrail are fixed with sliding block, and the medial surface of a pair of line rail mounting brackets is respectively and fixedly provided with line rail, and sliding block is slided
It is connected on line rail.
2. scissors type elevating guardrail according to claim 1, it is characterised in that：The piston rod top of the hoist cylinder with
The concrete structure that the cross-articulation of two scissor arms is point articulated is：Also include copper sheathing, the cross-articulation point of two scissor arms
Connected by inserting after copper sheathing, and inserted with mandrel in copper sheathing, back-up ring, the piston rod of hoist cylinder are socketed with the middle part of mandrel
Top is socketed with mandrel.
3. scissors type elevating guardrail according to claim 1, it is characterised in that：In above and below the upper rail and lower guideway
Side is equipped with track strip, and the outer peripheral face of the roller is provided with annular groove, and track strip is caught in annular groove, and the two of two scissor arms
End is hinged by roller shaft with roller.
4. scissors type elevating guardrail according to claim 1, it is characterised in that：The locking device include protective cover one,
Locking cylinder, fixed block one, sensing back-up ring and two proximity switches one, locking cylinder, fixed block one, sensing back-up ring and two connect
Nearly switch one is respectively positioned in protective cover one, and locking cylinder is fixed on the top side location close to bracket, sensing gear by fixed block one
Circle is fixed in front of the piston rod of locking cylinder, and the piston rod of locking cylinder is kept off through sensing during for contradicting locking locking case
Circle, two proximity switches one are fixed on the lower section of sensing back-up ring.
5. scissors type elevating guardrail according to claim 1, it is characterised in that：The stopping means include protective cover two,
Sense lever and two proximity switches two, sensing lever and two proximity switches two are respectively positioned in protective cover two, sensing lever is consolidated
Due to the bottom of locking case right flank, two proximity switches two are arranged at intervals in the protective cover two up and down, and sensing lever with
The correspondence of proximity switch two.
6. scissors type elevating guardrail according to claim 1, it is characterised in that：The hoist cylinder is pressed by fixed block two
System is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023183.8U CN206359196U (en) | 2017-01-09 | 2017-01-09 | Scissors type elevating guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023183.8U CN206359196U (en) | 2017-01-09 | 2017-01-09 | Scissors type elevating guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206359196U true CN206359196U (en) | 2017-07-28 |
Family
ID=59379988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720023183.8U Expired - Fee Related CN206359196U (en) | 2017-01-09 | 2017-01-09 | Scissors type elevating guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206359196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974974A (en) * | 2017-12-10 | 2018-05-01 | 孟三结 | A kind of municipal works fence that can adjust height |
| CN108049704A (en) * | 2017-12-10 | 2018-05-18 | 孟三结 | A kind of municipal works fence that can adjust height |
-
2017
- 2017-01-09 CN CN201720023183.8U patent/CN206359196U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974974A (en) * | 2017-12-10 | 2018-05-01 | 孟三结 | A kind of municipal works fence that can adjust height |
| CN108049704A (en) * | 2017-12-10 | 2018-05-18 | 孟三结 | A kind of municipal works fence that can adjust height |
| CN108049704B (en) * | 2017-12-10 | 2020-08-07 | 安徽庐晟建设工程有限公司 | Municipal works rail that can height-adjusting |
| CN107974974B (en) * | 2017-12-10 | 2020-08-18 | 鹏图建设有限公司 | Municipal works rail that can height-adjusting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20180109 |