CN209161375U - A kind of highly-safe hoistable platform - Google Patents
A kind of highly-safe hoistable platform Download PDFInfo
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- CN209161375U CN209161375U CN201822040177.0U CN201822040177U CN209161375U CN 209161375 U CN209161375 U CN 209161375U CN 201822040177 U CN201822040177 U CN 201822040177U CN 209161375 U CN209161375 U CN 209161375U
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- rod
- lifting platform
- travel switch
- fixed frame
- rotating bar
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Abstract
The utility model discloses a kind of highly-safe hoistable platforms, including fixed frame, lifting platform, oil cylinder, transmission belt, safety rope, driving wheel, pulley, controller, position-limit mechanism, positioning plate, the bottom of lifting platform is arranged in position-limit mechanism, position-limit mechanism includes rotating bar, connecting rod, push rod, swing rod, drive rod, countercheck rod, one end of push rod is mounted on the bottom of lifting platform by shaft, the other end connects connecting rod by shaft, swing rod is respectively arranged one piece at the both ends of rotating bar, swing rod is vertical with rotating bar, the both ends of swing rod pass through a drive rod respectively and connect a countercheck rod, the both ends of drive rod connect countercheck rod and swing rod by shaft respectively；Positioning plate setting is provided with card slot corresponding with countercheck rod on fixed frame, on positioning plate；Tension sensor is additionally provided on the transmission belt, the control port of push rod, the signal port of tension sensor connect controller.The hoistable platform can be out of service in overload or the system failure, effectively increases safety.
Description
Technical field
The utility model relates to lifting device technical fields, more particularly to a kind of highly-safe hoistable platform.
Background technique
Vertical type hoistable platform is simple and reasonable for structure, by oil cylinder perpendicular acting on pulley, then chain lifting is driven to go up and down
Platform, the promotion speed of hoistable platform are the double of oil cylinder, and it is very fast to promote speed ratio.Therefore vertical type hoistable platform is widely used in
Construction site, for construction material is transported to eminence.
Existing vertical type hoistable platform is both provided with safety rope, to increase the safety of equipment, however these measures
All it is to be played a role in device fails Shi Caihui, can not fundamentally prevents the generation of failure, however it remains biggish
Security risk.
Summary of the invention
The utility model in view of the deficiencies of the prior art, develops a kind of highly-safe hoistable platform, the hoistable platform energy
It is enough out of service in overload or the system failure, effectively increase safety.
The technical solution of the utility model solution technical problem are as follows: on the one hand, the embodiments of the present invention provide one
The highly-safe hoistable platform of kind, including fixed frame, lifting platform, oil cylinder, transmission belt, safety rope, driving wheel, pulley, controller,
Fixed frame is fixed on ground or metope, and oil cylinder is mounted on fixed frame, and the telescopic rod end of oil cylinder is equipped with driving wheel, transmission
One end Connection Bracket, the other end of band connect lifting platform after bypassing driving wheel, and pulley is mounted on fixed frame, and the one of safety rope
Around lifting platform is connected after pulley, the control port of oil cylinder connects controller, the hoistable platform for end Connection Bracket, the other end
It further include position-limit mechanism, positioning plate, the bottom of lifting platform is arranged in position-limit mechanism, and position-limit mechanism includes rotating bar, connecting rod, pushes away
The middle part of rotating bar is arranged in bar, swing rod, drive rod, countercheck rod, connecting rod, and one end of push rod is mounted on lifting platform by shaft
Bottom, the other end connect connecting rod by shaft, and swing rod is respectively arranged one piece at the both ends of rotating bar, and swing rod is vertical with rotating bar, pendulum
The both ends of bar pass through a drive rod respectively and connect a countercheck rod, and the both ends of drive rod connect countercheck rod and pendulum by shaft respectively
Bar；Positioning plate setting is provided with card slot corresponding with countercheck rod on fixed frame, on positioning plate；It is additionally provided on the transmission belt
Tension sensor, the control port of push rod, the signal port of tension sensor connect controller.Push rod pushes connecting rod is controllable to turn
Lever rotation, to control the movement of swing rod, when swing rod is in plumbness, countercheck rod is hidden in lifting platform, works as swing rod
When in a horizontal state, countercheck rod stretches out in the card slot being caught on positioning plate from the two sides of lifting platform.Under normal circumstances, work as lifting
After platform is promoted to specified altitude assignment, controller controls position-limit mechanism movement, enables countercheck rod stretch out from the two sides of lifting platform and is caught in positioning
In card slot on plate, the positioning of lifting platform is realized, then staff is highly loaded work at this；It loads and completes, control
Before lifting platform decline, controller first controls position-limit mechanism movement, and countercheck rod is enabled to be detached from the card slot of positioning plate.During being somebody's turn to do, pulling force
Sensor sends pulling force information to controller, and the load capacity of lifting platform is converted into controller, when lifting platform overload or
When the system failure, oil cylinder stops working, and operator is unable to control lifting platform decline, and countercheck rod is on positioning plate always
In card slot, safety is effectively increased.
As optimization, the position-limit mechanism further includes travel switch a, block, travel switch b, and block connects rotating bar, row
Cheng Kaiguan a and travel switch b are mounted on the bottom plate of lifting platform, and travel switch a and block are correspondingly arranged, travel switch b and company
Bar is correspondingly arranged, and travel switch a connects controller with the signal port of travel switch b.When push rod does not extend out, swing rod is vertical, even
Bar pushes travel switch b movement；When push rod stretches out, swing rod is horizontal, and block pushes travel switch a movement.
As optimization, the side of the lifting platform is provided with directive wheel, and lead corresponding with directive wheel is provided on fixed frame
To slot.
As optimization, the transmission belt is chain, and driving wheel is sprocket wheel.
The effect provided in utility model content is only the effect of embodiment, rather than whole effects that utility model is all
Fruit, above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
1. oil cylinder stops working when lifting platform overload or the system failure, operator is unable to control lifting platform decline, and
Countercheck rod is in always in the card slot on positioning plate, effectively increases safety.
2. can feed back the working condition of position-limit mechanism by setting travel switch a and travel switch b, avoid power failure
When caused malfunction, enhance safety.
Detailed description of the invention
Fig. 1 is a kind of overall construction drawing of embodiment of the utility model.
Fig. 2 is the partial enlarged view of B area in Fig. 1.
Fig. 3 is the overall construction drawing of lifting platform.
Fig. 4 is the overall construction drawing of position-limit mechanism.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this
Utility model is described in detail.Following disclosure provides many different embodiments or example is used to realize the utility model
Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.This
Outside, the utility model can in different examples repeat reference numerals and/or letter.This repetition is in order to simplified and clear
Purpose itself does not indicate the relationship between discussed various embodiments and/or setting.It should be noted that illustrated in the accompanying drawings
Component be not drawn necessarily to scale.The utility model be omitted the description to known assemblies and treatment technology and process to avoid
It is unnecessarily limiting the utility model.Term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply relative importance.It needs to illustrate in the description of the present invention,
It is unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be
It is fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be
It is connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 1 to Fig. 4 is an embodiment of the present invention, as shown, a kind of highly-safe hoistable platform, including
Fixed frame 1, lifting platform 2, oil cylinder 3, transmission belt 4, safety rope 5, driving wheel 6, pulley 7, controller, fixed frame 1 are fixed on ground
Or on metope, oil cylinder 3 is mounted on fixed frame 1, and the telescopic rod end of oil cylinder 3 is equipped with driving wheel 6, and one end of transmission belt 4 connects
Fixed frame 1, the other end are connect around lifting platform 2 is connected after driving wheel 6, pulley 7 is mounted on fixed frame 1, and one end of safety rope 5 connects
Fixed frame 1, the other end are connect around lifting platform 2 is connected after pulley 7, the control port of oil cylinder 3 connects controller, the hoistable platform
It further include position-limit mechanism 8, positioning plate 9, the bottom of lifting platform 2 is arranged in position-limit mechanism 8, as shown in Figure 3, Figure 4, position-limit mechanism 8
Including rotating bar 81, connecting rod 82, push rod 83, swing rod 84, drive rod 85, countercheck rod 86, connecting rod 82 is arranged in rotating bar 81
Portion, one end of push rod 83 are mounted on the bottom of lifting platform 2, the other end by shaft and connect connecting rod 82 by shaft, and swing rod 84 exists
The both ends of rotating bar 81 are respectively arranged one piece, and swing rod 84 is vertical with rotating bar 81, and the both ends of swing rod 84 pass through a drive rod 85 respectively
A countercheck rod 86 is connected, the both ends of drive rod 85 connect countercheck rod 86 and swing rod 84 by shaft respectively；The setting of positioning plate 9 exists
On fixed frame 1, card slot corresponding with countercheck rod 86 is provided on positioning plate 9；Pull sensing is additionally provided on the transmission belt 4
Device, the control port of push rod 83, the signal port of tension sensor connect controller.
Push rod 83 pushes the rotation of 82 controlling rotary bar 81 of connecting rod, so that the movement of swing rod 84 is controlled, when swing rod 84 is in
When plumbness, countercheck rod 86 is hidden in lifting platform 2, and when swing rod 84 is when in a horizontal state, countercheck rod 86 is from lifting platform 2
Two sides, which are stretched out, to be caught in the card slot on positioning plate 9.Under normal circumstances, after lifting platform 2 is promoted to specified altitude assignment, controller control
Position-limit mechanism 8 acts, and countercheck rod 86 is enabled to stretch out in the card slot being caught on positioning plate 9 from the two sides of lifting platform 2, realizes lifting platform 2
Positioning, then staff is highly loaded work at this；It loads and completes, before control lifting platform 2 declines, controller is first controlled
Position-limit mechanism 8 processed acts, and countercheck rod 86 is enabled to be detached from the card slot of positioning plate 9.During being somebody's turn to do, tension sensor transmits pulling force information
To controller, and it is converted into controller the load capacity of lifting platform 2, when the overload of lifting platform 2 or the system failure, oil cylinder 3 stops
It only works, operator is unable to control the decline of lifting platform 2, and countercheck rod 86 is in the card slot on positioning plate 9 always, is effectively mentioned
High safety.
As shown in figure 4, the position-limit mechanism 8 further includes travel switch a87, block 88, travel switch b89, block 88 connects
Switch through lever 81, travel switch a87 and travel switch b89 are mounted on the bottom plate of lifting platform 2, travel switch a87 and block 88
It is correspondingly arranged, travel switch b89 and connecting rod 82 are correspondingly arranged, and travel switch a87 connects control with the signal port of travel switch b89
Device processed.When push rod 83 does not extend out, swing rod 84 is vertical, and connecting rod 82 pushes travel switch b89 movement；When push rod 83 stretches out, swing rod 84
Level, block 88 push travel switch a87 movement.By the way that travel switch a87 and travel switch b89 is arranged, limit can be fed back
The working condition of mechanism 8 avoids caused malfunction when power failure, enhances safety.
The side of the lifting platform 2 is provided with directive wheel 21, and guiding corresponding with directive wheel 21 is provided on fixed frame 1
Slot.The transmission belt 4 is chain, and driving wheel 6 is sprocket wheel.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to utility model, not to the utility model
The limitation of protection scope, based on the technical solution of the present invention, those skilled in the art do not need to pay creativeness
The various modifications or changes that working can make are still within the scope of the present invention.
Claims (4)
1. a kind of highly-safe hoistable platform, including fixed frame (1), lifting platform (2), oil cylinder (3), transmission belt (4), safety rope
(5), driving wheel (6), pulley (7), controller, fixed frame (1) are fixed on ground or metope, and oil cylinder (3) is mounted on fixed frame
(1) on, the telescopic rod end of oil cylinder (3) is equipped with driving wheel (6), one end Connection Bracket (1), the other end of transmission belt (4)
Lifting platform (2) is connected afterwards around driving wheel (6), and pulley (7) is mounted on fixed frame (1), and one end of safety rope (5) is connected and fixed
Frame (1), the other end connect lifting platform (2) afterwards around pulley (7), and the control port of oil cylinder (3) connects controller, it is characterized in that:
The hoistable platform further includes position-limit mechanism (8), positioning plate (9), and position-limit mechanism (8) setting is in the bottom of lifting platform (2), limit
Mechanism (8) includes rotating bar (81), connecting rod (82), push rod (83), swing rod (84), drive rod (85), countercheck rod (86), connecting rod
(82) it is arranged at the middle part of rotating bar (81), one end of push rod (83) is mounted on bottom, the other end of lifting platform (2) by shaft
Connecting rod (82) are connected by shaft, swing rod (84) is respectively arranged one piece at the both ends of rotating bar (81), swing rod (84) and rotating bar
(81) vertically, the both ends of swing rod (84) pass through a drive rod (85) connection one countercheck rod (86), the both ends of drive rod (85) respectively
Pass through shaft connection countercheck rod (86) and swing rod (84) respectively；Positioning plate (9) is arranged on fixed frame (1), and positioning plate is set on (9)
It is equipped with card slot corresponding with countercheck rod (86)；Tension sensor, the control terminal of push rod (83) are additionally provided on the transmission belt (4)
The signal port connection controller of mouth, tension sensor.
2. the highly-safe hoistable platform of one kind according to claim 1, characterized in that the position-limit mechanism (8) is also wrapped
Include travel switch a (87), block (88), travel switch b (89), block (88) connects rotating bar (81), travel switch a (87) and
Travel switch b (89) is mounted on the bottom plate of lifting platform (2), and travel switch a (87) and block (88) are correspondingly arranged, travel switch
B (89) and connecting rod (82) are correspondingly arranged, and travel switch a (87) connects controller with the signal port of travel switch b (89).
3. the highly-safe hoistable platform of one kind according to claim 1, characterized in that the side of the lifting platform (2)
It is provided with directive wheel (21), guide groove corresponding with directive wheel (21) is provided on fixed frame (1).
4. the highly-safe hoistable platform of one kind according to claim 1, characterized in that the transmission belt (4) is chain,
Driving wheel (6) is sprocket wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040177.0U CN209161375U (en) | 2018-12-06 | 2018-12-06 | A kind of highly-safe hoistable platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040177.0U CN209161375U (en) | 2018-12-06 | 2018-12-06 | A kind of highly-safe hoistable platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209161375U true CN209161375U (en) | 2019-07-26 |
Family
ID=67342335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822040177.0U Active CN209161375U (en) | 2018-12-06 | 2018-12-06 | A kind of highly-safe hoistable platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209161375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531570A (en) * | 2020-11-06 | 2021-03-19 | 国网山东省电力公司阳信县供电公司 | Cable rod feeding device |
-
2018
- 2018-12-06 CN CN201822040177.0U patent/CN209161375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531570A (en) * | 2020-11-06 | 2021-03-19 | 国网山东省电力公司阳信县供电公司 | Cable rod feeding device |
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