CN207645645U - A kind of rotating platform of crane - Google Patents
A kind of rotating platform of crane Download PDFInfo
- Publication number
- CN207645645U CN207645645U CN201721823980.0U CN201721823980U CN207645645U CN 207645645 U CN207645645 U CN 207645645U CN 201721823980 U CN201721823980 U CN 201721823980U CN 207645645 U CN207645645 U CN 207645645U
- Authority
- CN
- China
- Prior art keywords
- hydraulic device
- shaft
- fixedly connected
- lower turntable
- pressure sensor
- Prior art date
- 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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Abstract
The utility model discloses a kind of rotating platform of crane, belong to rotating platform of crane field；Including upper turntable and lower turntable, upper turntable is provided with shaft and annular slide track, and annular slide track is not attached in the periphery of shaft, shaft with annular slide track；Hypostase is provided in annular slide track；Lower turntable is internally provided with hydraulic device, and hydraulic device is located at lower turntable center；Piston is provided in hydraulic device, piston is flexibly connected with hydraulic device, and piston is fixedly connected with shaft；It is provided with bearing above hydraulic device, taper roll bearing is provided with immediately below hydraulic device, position corresponding with hypostase is provided with limited post in lower turntable；Brute spring on limited post can also play the role of auxiliary buffering；Limited post is provided with pressure sensor, and alarm is provided in pressure sensor, and when the gravity excess load of weight, spring is compressed to the limit, and hypostase is in direct contact pressure sensor at this time, and alarm sends out alarm, the loss brought so as to avoid weight excess load.
Description
Technical field
The utility model is related to turntable field, specially a kind of rotating platform of crane.
Background technology
Rotating platform of crane be in crane installation be connected to pivoting support or more can be logical around the part that pedestal rotate
Often needs to bear prodigious pressure and lower rotation can also suppressed.
It is already existing on the market at present, often all only there is simple rotating function, function is excessively single, in crane
It not can play a buffer role in when lifting, in addition, cannot be played in lifting process also becomes the alarm function of excess load weight
Existing design problem to be solved.
Utility model content
1. the technical problems to be solved in the utility model
The purpose of this utility model is to provide a kind of rotating platform of crane, to solve lifting mentioned above in the background art
Machine turntable can not play cushioning effect and the alarm issue to excess load weight in lifting.
2. technical solution
To achieve the above object, the utility model provides the following technical solutions：
A kind of rotating platform of crane, including upper turntable and lower turntable, the upper turntable is provided with shaft and annular slide track, described
Annular slide track is in the periphery of shaft；It is provided with hypostase in the annular slide track；The lower turntable is internally provided with hydraulic device,
The hydraulic device is located at lower turntable center；Piston is provided in the hydraulic device, the piston is fixedly connected with shaft, institute
Shaft is stated to be flexibly connected with hydraulic device by piston；Bearing is provided with above the hydraulic device, the bearing includes first
Inner shaft and the first outer shaft, first inner shaft are fixedly connected with shaft, and first outer shaft is fixedly connected with lower turntable；The hydraulic pressure
It is provided with taper roll bearing immediately below device, the taper roll bearing includes the second inner shaft and the second outer shaft, and described the
Two inner shafts are fixedly connected with hydraulic device, and second outer shaft is fixedly connected with lower turntable；In the lower turntable with hypostase phase
Corresponding position is provided with limited post, and the limited post includes spring and pressure sensor, and the spring is fixed with hypostase to be connected
It connects；The pressure sensor is fixedly connected through spring, the spring bottom end and pressure sensor bottom end with lower turntable；Under described
Turntable bottom is provided with power supply, and the pressure sensor is electrically connected with the power supply.
Preferably, the spring is brute spring, is provided with alarm in the pressure sensor, the alarm passes through
Pressure sensor is electrically connected with the power supply.
Preferably, the wall surface of the hydraulic device is provided with rack, and the side of the hydraulic device is provided with gear and electricity
Machine, the rack and pinion engagement, the gear are fixedly connected with motor by output shaft, and the motor electrically connects with power supply
It connects.
3. advantageous effect
（1）Lower turntable is internally provided with hydraulic device, and the piston in hydraulic device is fixedly connected with shaft, can pass through work
The movement of plug buffers to realize, the brute spring on limited post can also play the role of auxiliary buffering；
（2）Limited post is provided with pressure sensor, and alarm is provided in pressure sensor, when the gravity excess load of weight
When spring be compressed to the limit, hypostase is in direct contact pressure sensor at this time, and alarm sends out alarm, so as to avoid weight
The loss that excess load is brought.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model rotating platform of crane；
Fig. 2 is the structural schematic diagram of the upper turntable of the utility model；
Fig. 3 is the structural schematic diagram of the lower turntable of the utility model；
Fig. 4 is the structural schematic diagram of the limited post of utility model；
Fig. 5 is the structural schematic diagram of the hydraulic device of the utility model；
Fig. 6 is the circuit diagram of the utility model.
In figure：
1, hypostase；2, limited post；201, spring；202, pressure sensor；3, power supply；4, hydraulic device；5, circular cone rolls
Sub- bearing；6, bearing；7, shaft；8, annular slide track；9, piston；10, rack；11, motor；12, gear.
Specific implementation mode：
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, a kind of rotating platform of crane, including upper turntable and lower turntable, upper turntable are provided with shaft 7 and annular
Slideway 8, annular slide track 8 is in the periphery of shaft 7；Hypostase 1 is provided in annular slide track 8；Lower turntable is internally provided with hydraulic pressure dress
4 are set, hydraulic device 4 is located at lower turntable center；Piston 9 is provided in hydraulic device 4, piston 9 is fixedly connected with shaft 7, shaft 7
It is flexibly connected with hydraulic device 4 by piston 9；4 top of hydraulic device is provided with bearing 6, and bearing 6 includes the first inner shaft and first
Outer shaft, the first inner shaft are fixedly connected with shaft 7, and the first outer shaft is fixedly connected with lower turntable；The underface of hydraulic device 4 is provided with circle
Taper roller bearing 5, taper roll bearing 5 include the second inner shaft and the second outer shaft, and the second inner shaft is fixedly connected with hydraulic device 4,
Second outer shaft is fixedly connected with lower turntable；Position corresponding with hypostase 1 is provided with limited post 2 in lower turntable, and limited post 2 wraps
Spring 201 and pressure sensor 202 are included, spring 201 is fixedly connected with hypostase 1；Pressure sensor 202 runs through spring 201, bullet
201 bottom end of spring and 202 bottom end of pressure sensor are fixedly connected with lower turntable；Lower turntable bottom is provided with power supply 3, pressure sensor
202 are electrically connected with power supply 3.
Spring 201 is brute spring, is provided with alarm in pressure sensor 202, alarm passes through pressure sensor 202
It is electrically connected with power supply 3.
The wall surface of hydraulic device 4 is provided with rack 10, and the side of hydraulic device 4 is provided with gear 12 and motor 11, rack
10 engage with gear 12, and gear 12 is fixedly connected with motor 11 by output shaft, and motor 11 is electrically connected with power supply 3.
Case is embodied：
A kind of rotating platform of crane, when in use, upper turntable stress, then transmit the force to the hypostase 1 in slideway, hypostase
1 uniformly transfers power to limited post 2, and by 201 stress of spring, spring 201 is brute spring, has to upper turntable stress certain slow
Punching acts on；When upper turntable institute stress excess load, spring 201 is compressed to the limit, and upper turntable is in direct contact pressure sensor 202,
The alarm in pressure sensor sends out alarm at this time, avoids loss caused by due to excess load；It is provided with liquid in lower turntable
Pressure device 4, the piston in hydraulic device 4 are fixedly connected with shaft 7, can realize buffering by the movement of piston, and hydraulic pressure
It is provided with taper roll bearing 5 immediately below device 4, the power that hydraulic device 4 transmits can be disperseed and protects hydraulic device 4；
The wall surface of hydraulic device 4 is provided with rack 10, and rack 10 is engaged with gear 2, and gear 2 is fixedly connected with the output shaft of motor 1, electricity
Machine 1 is electrically connected with power supply 3；By 1 starter receiver 2 of motor can drive hydraulic device 4 rotate, and the inner shaft of bearing 5 with turn
Axis 7 is fixedly connected, so the rotation of hydraulic device 4 can make turntable and lower turntable produce relative rotation；Therefore this practicality is new
Type can both play cushioning effect in lifting process, additionally it is possible to send out alarm in weight excess load and avoid losing.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the scope of protection of the utility model
It is interior.
Claims (3)
1. a kind of rotating platform of crane, including upper turntable and lower turntable, it is characterised in that：The upper turntable is provided with shaft（7）With
Annular slide track（8）, the annular slide track（8）In shaft（7）Periphery；The annular slide track（8）Inside it is provided with hypostase（1）；
The lower turntable is internally provided with hydraulic device（4）, the hydraulic device（4）Positioned at lower turntable center；The hydraulic device（4）
Inside it is provided with piston（9）, the piston（9）With shaft（7）It is fixedly connected, the shaft（7）Pass through piston（9）With hydraulic device
（4）Flexible connection；The hydraulic device（4）Top is provided with bearing（6）, the bearing（6）Outside including the first inner shaft and first
Axis, first inner shaft and shaft（7）It is fixedly connected, first outer shaft is fixedly connected with lower turntable；The hydraulic device（4）'s
Underface is provided with taper roll bearing（5）, the taper roll bearing（5）Including the second inner shaft and the second outer shaft, described
Two inner shafts and hydraulic device（4）It is fixedly connected, second outer shaft is fixedly connected with lower turntable；In the lower turntable and hypostase
（1）Corresponding position is provided with limited post（2）, the limited post（2）Including spring（201）And pressure sensor（202）, institute
State spring（201）With hypostase（1）It is fixedly connected；The pressure sensor（202）Through spring（201）, the spring（201）
Bottom end and pressure sensor（202）Bottom end is fixedly connected with lower turntable；The lower turntable bottom is provided with power supply（3）, the pressure
Force snesor（202）With power supply（3）It is electrically connected.
2. a kind of rotating platform of crane according to claim 1, it is characterised in that：The spring（201）For brute spring, institute
State pressure sensor（202）It is inside provided with alarm, the alarm passes through pressure sensor（202）With power supply（3）Electrically connect
It connects.
3. a kind of rotating platform of crane according to claim 1, it is characterised in that：The hydraulic device（4）Wall surface setting
There is rack（10）, the hydraulic device（4）Side be provided with gear（12）And motor（11）, the rack（10）With gear
（12）Engagement, the gear（12）With motor（11）It is fixedly connected by output shaft, the motor（11）With power supply（3）Electrically connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721823980.0U CN207645645U (en) | 2017-12-25 | 2017-12-25 | A kind of rotating platform of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721823980.0U CN207645645U (en) | 2017-12-25 | 2017-12-25 | A kind of rotating platform of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207645645U true CN207645645U (en) | 2018-07-24 |
Family
ID=62878514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721823980.0U Expired - Fee Related CN207645645U (en) | 2017-12-25 | 2017-12-25 | A kind of rotating platform of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207645645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081278A (en) * | 2018-08-07 | 2018-12-25 | 肥东万安工程机械有限公司 | A kind of forklift door frame promotion alarm mechanism |
| CN109092573A (en) * | 2018-10-08 | 2018-12-28 | 中国工程物理研究院总体工程研究所 | A kind of vibration damping geotechnical centrifuge suitable for three shaft vibration platforms |
-
2017
- 2017-12-25 CN CN201721823980.0U patent/CN207645645U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081278A (en) * | 2018-08-07 | 2018-12-25 | 肥东万安工程机械有限公司 | A kind of forklift door frame promotion alarm mechanism |
| CN109092573A (en) * | 2018-10-08 | 2018-12-28 | 中国工程物理研究院总体工程研究所 | A kind of vibration damping geotechnical centrifuge suitable for three shaft vibration platforms |
| CN109092573B (en) * | 2018-10-08 | 2024-01-30 | 中国工程物理研究院总体工程研究所 | Vibration reduction geotechnical centrifuge suitable for triaxial shaking table |
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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: 20180724 Termination date: 20181225 |