CN206802005U - The disconnected rope alarm of built-in open instrument and protection device - Google Patents
The disconnected rope alarm of built-in open instrument and protection device Download PDFInfo
- Publication number
- CN206802005U CN206802005U CN201720534676.8U CN201720534676U CN206802005U CN 206802005 U CN206802005 U CN 206802005U CN 201720534676 U CN201720534676 U CN 201720534676U CN 206802005 U CN206802005 U CN 206802005U
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- China
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- built
- alarm
- processing unit
- proximity switch
- open instrument
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Abstract
The utility model discloses a kind of disconnected rope alarm of built-in open instrument and protection device, including trigger protection mechanism, detent mechanism, processing unit, alarm unit, control unit；The trigger protection mechanism includes proximity switch, positive stop, and proximity switch, positive stop are fixed on body cover plate by support；The proximity switch is connected with processing unit, and the processing unit is connected with alarm unit, control unit respectively；The detent mechanism includes ratchet and the pawl base being fixed on main shaft, and ratchet is fixed on pawl base by bearing pin, and the bearing pin is provided with torque spring.The utility model is placed on built-in open instrument, for detect built-in open instrument in the process of running whether it is disconnected restrict and alarm signal be provided, to find wire cable rupture in time, effectively protect the safety of hydraulic jack and aperture instrument.
Description
Technical field
It the utility model is related to a kind of alarm protecting apparatus, and in particular to a kind of disconnected rope alarm of built-in open instrument and protection
Device.
Background technology
China Patent Publication No. is CN202483988U, and patent name fills for the stroke detection of hanger type hydraulic jack monoblock type
Put, and patent publication No. is CN100359190C, patent name is a kind of built-in hydraulic oil cylinder displacement transducer, is disclosed
Two kinds of built-in open instruments, it is the displacement transducer for measuring hydraulic jack stroke.Above two built-in open instrument is
Steel wire rope is built in hydraulic jack rodless cavity, it can avoid steel wire rope because by the external world construction and other people be factor broken
Bad, its shortcoming is due to that steel wire rope is built within oil cylinder, when the disconnected rope of generation mechanical breakdown, can not be visually observed that, nothing
Method timely processing.Now the accident of the bad oil inside wall of cylinder is drawn to be let out so as to cause in oil cylinder because the extruding of oil cylinder is likely to occur.And
And aperture instrument main shaft after disconnected rope can occur to rotate at a high speed, such as protect not in time, rope withdrawing apparatus can be caused to damage, sensor by
It is badly damaged.Therefore, we are there is an urgent need to a kind of device that can be alarmed wire cable rupture, to avoid wire cable rupture institute
The consequence brought.
Utility model content
The purpose of this utility model is to provide a kind of disconnected rope alarm of built-in open instrument and protection device, device placement
On built-in open instrument, for detect built-in open instrument in the process of running whether it is disconnected restrict and alarm signal be provided, so as to
Wire cable rupture is found in time, effectively protects the safety of hydraulic jack and aperture instrument.
Technical scheme is used by the utility model：A kind of disconnected rope alarm of built-in open instrument and protection device, including
Trigger protection mechanism, detent mechanism, processing unit, alarm unit, control unit；The trigger protection mechanism includes close open
Close, positive stop, proximity switch, positive stop are fixed on body cover plate by support；The proximity switch and processing unit
Connection, the processing unit are connected with alarm unit, control unit respectively；The detent mechanism includes ratchet and is fixed on main shaft
On pawl base, ratchet is fixed on pawl base by bearing pin, and the bearing pin is provided with torque spring.
Ratchet is rotated centered on bearing pin, and by the torsion of torque spring aperture instrument is static or the normal work time limit
System does not rotate on pawl base, when wire cable rupture, to be released because the power spring of aperture instrument accumulates larger recovery power
Put, will drive main shaft at a high speed rotate, now ratchet overcome under the influence of centrifugal force the torsion of torque spring rotate and
Throw away；The proximity switch being placed on body cover plate senses the close of ratchet（Change in location）, so as to judge that steel wire rope has been sent out
Raw rope-broken accident, positive stop can prevent main shaft from further rotating at a high speed, allow main shaft to stop operating, and proximity switch transmits signal
To processing unit, processing unit sends alarm command and sends disconnected rope information to alarm unit, alarm unit alarm, processing unit
To control unit, the disconnected rope information control cylinder that control unit is sent according to processing unit works.
By such scheme, the trigger protection mechanism has multiple, main shaft surrounding is uniformly laid in, preferably to monitor steel
Cord is broken and protection main shaft rotates at a high speed.
By such scheme, the positive stop is located adjacent to switch side, can prevent main shaft further within the shortest time
Rotate at a high speed.
By such scheme, end cap is additionally provided with the pawl base, in order to install ratchet and torque spring.
The beneficial effects of the utility model are：
By setting detent mechanism and proximity switch, reflect the fracture of steel wire rope in oil cylinder in time, avoid wire cable rupture
A series of caused consequences；
When rope-broken accident occurs, disconnected rope failure and the information that gives a warning can be found in the very first time, while provide thing
Therefore protect, the generation of follow-up accident is avoided, is effectively protected the safety of hydraulic jack and aperture instrument；
It is simple in construction, it is easy to accomplish.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the disconnected rope alarm of the utility model built-in open instrument and protection device；
Fig. 2 is Fig. 1 B to schematic diagram；
Fig. 3 is the structural representation of detent mechanism（Remove end cap）；
Fig. 4 is that Fig. 3 is A-A sectional views；
Wherein：1st, proximity switch, 2, support, 3, positive stop, 4, detent mechanism, 5, main shaft, 6, body cover plate, 7, steel wire
Rope, 8, power spring, 9, reel, 10, bearing pin, 11, end cap, 12, pawl base, 13, torque spring, 14, ratchet, 15, row's rope sheave.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Referring to Fig. 1-Fig. 3, built-in open instrument includes row's rope sheave 15, steel wire rope 7, reel 9, power spring 8, main shaft 5, sheet
Body cover plate 6.
Referring to Fig. 1-Fig. 3, a kind of disconnected rope alarm of built-in open instrument and protection device, including trigger protection mechanism, ratchet
Mechanism, processing unit, alarm unit, control unit.Trigger protection mechanism has 4, is distributed on the surrounding of main shaft 5, and it includes connecing
Nearly switch 1, positive stop 3, proximity switch 1, positive stop 3 are fixed on body cover plate 6 by support 2, and positive stop 3 is located at
By proximity switch 1, to prevent main shaft 5 further to rotate at a high speed within the shortest time；Proximity switch 1 is connected with processing unit,
Processing unit is connected with alarm unit, control unit respectively.Detent mechanism includes ratchet 14 and the pawl base being fixed on main shaft 5
12, ratchet 14 is fixed on pawl base 12 by bearing pin 10, and bearing pin 10 is provided with torque spring 13, and the torsion of torsion torsion spring 13 can
Do not rotated with ensureing that aperture instrument ratchet 14 in normal work is maintained in pawl base 12 around bearing pin 10.
Ratchet 14 is rotated centered on bearing pin 10, and by the torsion of torque spring 13 aperture instrument is static or normal work
As when be limited on pawl base 12 and do not rotate, when steel wire rope 7 is broken, due to the power spring 8 of aperture instrument accumulate it is larger
Recovery power will discharge, and main shaft 5 will be driven to rotate at a high speed, now ratchet 14 overcomes torque spring 13 under the influence of centrifugal force
Torsion rotates and thrown away；The proximity switch 1 being placed on body cover plate 6 senses the close of ratchet 14（Change in location）,
So as to judge that rope-broken accident has occurred for steel wire rope 7；Positive stop 3 positioned at the side of proximity switch 1（The limit nearest from pawl base 12
Position block 3）Main shaft 5 can be prevented further to rotate at a high speed, allow main shaft 5 to stop operating in time, realize breaking rope protecting；It is meanwhile close
Signal is passed to processing unit by switch 1, and it is single to alarm unit, alarm unit alarm, processing that processing unit sends alarm command
Disconnected rope information is sent to control unit by member, and the disconnected rope information control cylinder that control unit is sent according to processing unit works.
Ratchet 14 and torque spring 13 are installed to facilitate, end cap 11 is additionally provided with the pawl base 12.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (4)
1. a kind of disconnected rope alarm of built-in open instrument and protection device, it is characterised in that：Including trigger protection mechanism, ratchet machine
Structure, processing unit, alarm unit, control unit；The trigger protection mechanism include proximity switch, positive stop, proximity switch,
Positive stop is fixed on body cover plate by support；The proximity switch is connected with processing unit, the processing unit difference
It is connected with alarm unit, control unit；The detent mechanism includes ratchet and the pawl base being fixed on main shaft, and ratchet passes through pin
Axle is fixed on pawl base, and the bearing pin is provided with torque spring.
2. the disconnected rope alarm of built-in open instrument according to claim 1 and protection device, it is characterised in that：The triggering is protected
Shield mechanism has multiple, is uniformly laid in main shaft surrounding.
3. the disconnected rope alarm of built-in open instrument according to claim 1 or 2 and protection device, it is characterised in that：The limit
It is other that position block is located adjacent to switch.
4. the disconnected rope alarm of built-in open instrument according to claim 1 or 2 and protection device, it is characterised in that：The spine
End cap is additionally provided with pawl seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534676.8U CN206802005U (en) | 2017-05-15 | 2017-05-15 | The disconnected rope alarm of built-in open instrument and protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534676.8U CN206802005U (en) | 2017-05-15 | 2017-05-15 | The disconnected rope alarm of built-in open instrument and protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802005U true CN206802005U (en) | 2017-12-26 |
Family
ID=60740884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720534676.8U Active CN206802005U (en) | 2017-05-15 | 2017-05-15 | The disconnected rope alarm of built-in open instrument and protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802005U (en) |
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2017
- 2017-05-15 CN CN201720534676.8U patent/CN206802005U/en active Active
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| GR01 | Patent grant |