CN106429913A - Steel wire rope lifting protection device with height limiting switch - Google Patents
Steel wire rope lifting protection device with height limiting switch Download PDFInfo
- Publication number
- CN106429913A CN106429913A CN201611083702.6A CN201611083702A CN106429913A CN 106429913 A CN106429913 A CN 106429913A CN 201611083702 A CN201611083702 A CN 201611083702A CN 106429913 A CN106429913 A CN 106429913A
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- CN
- China
- Prior art keywords
- wireless signal
- controller
- height limit
- limit switch
- power supply
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/90—Devices for indicating or limiting lifting moment
- B66C23/905—Devices for indicating or limiting lifting moment electrical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a steel wire rope lifting protection device with a height limiting switch, belongs to the technical field of crane safety protection, and provides a device capable of suspending actions of a crane when lifted goods exceed the limit. The steel wire rope lifting protection device comprises an arm head module arranged at the upper end of the crane; the height limiting switch is arranged below the arm head module, and is connected with a heavy hammer through a steel wire rope; the arm head module is provided with a wireless signal emitter and a solar power supply device; a wireless signal receiver, a controller and a safety protection valve are arranged at the lower end of the crane; an output end of the height limiting switch is connected with an input end of the wireless signal emitter; an output end of the wireless signal emitter is connected with an input end of the wireless signal receiver; an output end of the wireless signal receiver is connected with an input end of the controller; and an output end of the controller is connected with an input end of the safety protection valve.
Description
Technical field
The steel cable hoisting protection device with height limit switch for the present invention, belongs to the technology neck of crane safety protection
Domain.
Background technology
It is provided with height limit switch on the field of industrial crane, the arm head of crane, when crane rises at present
When the cargo lifting hanging highly exceedes the safe altitude of regulation, height limit switch sends alarm signal；Because height limit is opened
Close the top being arranged on crane, typically electricity supply is carried out by solaode, however, because solar-electricity tankage has
Limit, the control signal within typically can only persistently sending 20 seconds is so that the receptor being arranged on below crane can only receive report
Alert signal is it is impossible to carry out start stop operation to the state of crane.
Content of the invention
The present invention overcomes the shortcomings of that prior art exists, and technical problem to be solved is：Band height limit switch is provided
Steel cable hoisting protection device, when lifting cargo transfinites, crane action can be suspended.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：Steel wire rope with height limit switch rises
Weight protection device, including the arm head assembly being arranged on crane upper end, the lower section of described arm head assembly is provided with height limit and opens
Close, described height limit switch is connected with weight by steel wire rope；Be provided with described arm head assembly wireless signal transmitter and
Solar power supply apparatus, described crane lower end is provided with wireless signal receiver, controller and safety protective valve DT；Described height
The outfan of degree limit switch is connected with the input of wireless signal transmitter；The outfan of described wireless signal transmitter and nothing
The input of line signal receiver is connected, and the outfan of described wireless signal receiver is connected with the input of controller, described
The outfan of controller is connected with the input of safety protective valve DT；Described solar power supply apparatus are height limit switch and nothing
Line signal projector provides power supply.
Preferably, also include：The input phase of alarm release button SA1, described alarm release button SA1 and controller
Even.
Preferably, described controller includes：Latch-in relay KA1 and on and off switch S1；The power supply of described controller is just
End V+ concatenate after on and off switch S1 with one end of wireless signal receiver trigger switch, one end of alarm release button SA1, self-insurance
Hold one end of normally opened contact KA1.3 of relay KA1, one end of power supply indicator L1, single-pole double-throw switch (SPDT) S2 one end homogeneous
Even；The other end of described wireless signal receiver trigger switch is sequentially connected in series the coil KA1.1 of latch-in relay KA1, two poles
With the power supply negative terminal V- of described controller, the negative pole of diode D2, one end of safety protective valve DT, power supply indicator L1 after pipe D1
The other end, one end of normal run indicator L2, one end of alarm lamp L3, alarm buzzer T1 one end all connected；
Other end phase with alarm release button SA1 after the coil KA1.2 of positive pole concatenation latch-in relay KA1 of described diode D2
Even；The other end of described safety protective valve DT is connected with the other end of the normally opened contact KA1.3 of latch-in relay KA1；Described
The normal other end of run indicator L2 is connected with first contact of single-pole double-throw switch (SPDT) S2；The of described single-pole double-throw switch (SPDT) S2
Two contacts are connected with the other end of alarm lamp L3, the other end of alarm buzzer T1 respectively.
Preferably, the supply voltage of described controller is 24V.
The present invention compared with prior art has the advantages that.
1st, when using, when the cargo lifting being lifted by crane highly exceedes regulation safe altitude, triggering is arranged on this device
The height limit switch action of arm head assembly is so that the wireless signal transmitter being connected with height limit switch is sent with coding
Wireless signal, is arranged on the wireless signal receiver below crane and receives the wireless signal that wireless signal transmitter is sent
Afterwards, by signal transmission to controller, controller controls safeguard protection valve events, the everything of mandatory pause crane, prevents
The equipment operation fault that crane is led to due to cargo lifting excessive height, effectively prevent the generation of operating accident.
2nd, this device also includes：Alarm release button, after staff fixes a breakdown, can pass through alarm release button,
Crane is made to recover normal work.
3rd, in this device, when exceeding regulation safe altitude, by wireless transmitter and wireless receiver, carry out the biography of signal
Defeated, save transmission cable and winder.
Brief description
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the mounting structure schematic diagram of the present invention；
Fig. 2 is the electrical block diagram of the present invention；
Fig. 3 is the circuit theory diagrams of the present invention；
In figure：1 is crane, and 2 is arm head assembly, and 3 is height limit switch, and 4 is steel wire rope, and 5 is weight, and 6 is wireless signal
Emitter, 7 is solar power supply apparatus, and 8 is wireless signal receiver, and 9 is controller.
Specific embodiment
As shown in Figure 1 to Figure 3, the steel cable hoisting protection device with height limit switch, including being arranged on crane 1
The arm head assembly 2 at end, the lower section of described arm head assembly 2 is provided with height limit switch 3, and described height limit switch 3 passes through steel
Cord 4 is connected with weight 5；Wireless signal transmitter 6 and solar power supply apparatus 7 are provided with described arm head assembly 2, described
Heavy-duty machine 1 lower end is provided with wireless signal receiver 8, controller 9 and safety protective valve DT；The output of described height limit switch 3
End is connected with the input of wireless signal transmitter 6；The outfan of described wireless signal transmitter 6 and wireless signal receiver 8
Input be connected, the outfan of described wireless signal receiver 8 is connected with the input of controller 9, described controller 9 defeated
Go out end to be connected with the input of safety protective valve DT；Described solar power supply apparatus 7 are height limit switch 3 and wireless signal is sent out
Emitter 6 provides power supply.
Specifically, also include：The input phase of alarm release button SA1, described alarm release button SA1 and controller 9
Even.
Further, described controller 9 includes：Latch-in relay KA1 and on and off switch S1；The electricity of described controller 9
Source anode V+ concatenate after on and off switch S1 with one end of wireless signal receiver 8 trigger switch, alarm release button SA1 one
End, one end of normally opened contact KA1.3 of latch-in relay KA1, one end of power supply indicator L1, the one of single-pole double-throw switch (SPDT) S2
End is all connected；
The other end of described wireless signal receiver 8 trigger switch be sequentially connected in series the coil KA1.1 of latch-in relay KA1, two
With the power supply negative terminal V- of described controller 9, the negative pole of diode D2, one end of safety protective valve DT, power supply instruction after pole pipe D1
The other end of lamp L1, one end of normal run indicator L2, one end of alarm lamp L3, alarm buzzer T1 one end homogeneous
Even；Another with alarm release button SA1 after the coil KA1.2 of positive pole concatenation latch-in relay KA1 of described diode D2
End is connected；The other end of described safety protective valve DT is connected with the other end of the normally opened contact KA1.3 of latch-in relay KA1；
The other end of described normal run indicator L2 is connected with first contact of single-pole double-throw switch (SPDT) S2；Described single-pole double-throw switch (SPDT) S2
The second contact be connected with the other end of alarm lamp L3, the other end of alarm buzzer T1 respectively；The electricity of described controller 9
Source voltage is 24V.
Above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Example, in the ken that those of ordinary skill in the art possess, can also make on the premise of without departing from present inventive concept
Go out various change.
Claims (4)
1. the steel cable hoisting protection device with height limit switch, including being arranged on crane（1）The arm head assembly of upper end
（2）, described arm head assembly（2）Lower section be provided with height limit switch（3）, described height limit switch（3）By steel wire rope
（4）It is connected with weight（5）；
It is characterized in that：Described arm head assembly（2）On be provided with wireless signal transmitter（6）And solar power supply apparatus（7）, institute
State crane（1）Lower end is provided with wireless signal receiver（8）, controller（9）With safety protective valve DT；
Described height limit switch（3）Outfan and wireless signal transmitter（6）Input be connected；Described wireless signal is sent out
Emitter（6）Outfan and wireless signal receiver（8）Input be connected, described wireless signal receiver（8）Outfan
With controller（9）Input be connected, described controller（9）Outfan be connected with the input of safety protective valve DT；
Described solar power supply apparatus（7）For height limit switch（3）And wireless signal transmitter（6）Power supply is provided.
2. the steel cable hoisting protection device with height limit switch according to claim 1 it is characterised in that：Also wrap
Include：Alarm release button SA1, described alarm release button SA1 and controller（9）Input be connected.
3. the steel cable hoisting protection device with height limit switch according to claim 1 it is characterised in that：Described control
Device processed（9）Including：Latch-in relay KA1 and on and off switch S1；
Described controller（9）Power positive end V+ concatenation on and off switch S1 after with wireless signal receiver（8）The one of trigger switch
End, one end of alarm release button SA1, one end of normally opened contact KA1.3 of latch-in relay KA1, power supply indicator L1
One end, single-pole double-throw switch (SPDT) S2 one end all connected；
Described wireless signal receiver（8）The other end of trigger switch be sequentially connected in series latch-in relay KA1 coil KA1.1,
With described controller after diode D1（9）Power supply negative terminal V-, the negative pole of diode D2, one end of safety protective valve DT, power supply
The other end of display lamp L1, one end of normal run indicator L2, one end of alarm lamp L3, one end of alarm buzzer T1
All connected；
Another with alarm release button SA1 after the coil KA1.2 of positive pole concatenation latch-in relay KA1 of described diode D2
End is connected；
The other end of described safety protective valve DT is connected with the other end of the normally opened contact KA1.3 of latch-in relay KA1；
The other end of described normal run indicator L2 is connected with first contact of single-pole double-throw switch (SPDT) S2；
Second contact of described single-pole double-throw switch (SPDT) S2 respectively with the other end of alarm lamp L3, alarm buzzer T1 another
End is connected.
4. the steel cable hoisting protection device with height limit switch according to claim 3 it is characterised in that：Described control
Device processed（9）Supply voltage be 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083702.6A CN106429913A (en) | 2016-11-30 | 2016-11-30 | Steel wire rope lifting protection device with height limiting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083702.6A CN106429913A (en) | 2016-11-30 | 2016-11-30 | Steel wire rope lifting protection device with height limiting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106429913A true CN106429913A (en) | 2017-02-22 |
Family
ID=58222710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611083702.6A Pending CN106429913A (en) | 2016-11-30 | 2016-11-30 | Steel wire rope lifting protection device with height limiting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106429913A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969714A (en) * | 1975-01-06 | 1976-07-13 | Greer Gerald L | Safety system for cranes |
| CN2575078Y (en) * | 2002-09-20 | 2003-09-24 | 杨宝来 | Jack assembling system |
| CN201932833U (en) * | 2010-10-08 | 2011-08-17 | 南通润邦重机有限公司 | Crane with approach switches |
| CN202265350U (en) * | 2011-09-28 | 2012-06-06 | 徐州昊意工程机械科技有限公司 | Overwinding preventing and hook fixing device of lorry-mounted crane |
| CN202529759U (en) * | 2011-12-16 | 2012-11-14 | 水利部杭州机械设计研究所 | Electronic height limitator for crane |
| CN202808230U (en) * | 2012-10-08 | 2013-03-20 | 中联重科股份有限公司 | Hoisting mechanism anti-top-collision system for crane and crane |
| CN203382401U (en) * | 2013-05-23 | 2014-01-08 | 云南昆钢重型装备制造集团有限公司 | Limiting device for lifting of lifting hook of crane |
| CN103991793A (en) * | 2014-05-27 | 2014-08-20 | 中联重科股份有限公司 | Height limiter, operation control system, method and device and crane |
| CN204917706U (en) * | 2015-08-12 | 2015-12-30 | 西京学院 | Marine hydraulic crane load -lifting height stop device |
| CN205241079U (en) * | 2015-12-28 | 2016-05-18 | 连云港步升机械有限公司 | Hose loop wheel machine hoist height stop gear |
| CN206232351U (en) * | 2016-11-30 | 2017-06-09 | 长治清华机械厂 | A kind of steel cable hoisting protection device with height limit switch |
-
2016
- 2016-11-30 CN CN201611083702.6A patent/CN106429913A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969714A (en) * | 1975-01-06 | 1976-07-13 | Greer Gerald L | Safety system for cranes |
| CN2575078Y (en) * | 2002-09-20 | 2003-09-24 | 杨宝来 | Jack assembling system |
| CN201932833U (en) * | 2010-10-08 | 2011-08-17 | 南通润邦重机有限公司 | Crane with approach switches |
| CN202265350U (en) * | 2011-09-28 | 2012-06-06 | 徐州昊意工程机械科技有限公司 | Overwinding preventing and hook fixing device of lorry-mounted crane |
| CN202529759U (en) * | 2011-12-16 | 2012-11-14 | 水利部杭州机械设计研究所 | Electronic height limitator for crane |
| CN202808230U (en) * | 2012-10-08 | 2013-03-20 | 中联重科股份有限公司 | Hoisting mechanism anti-top-collision system for crane and crane |
| CN203382401U (en) * | 2013-05-23 | 2014-01-08 | 云南昆钢重型装备制造集团有限公司 | Limiting device for lifting of lifting hook of crane |
| CN103991793A (en) * | 2014-05-27 | 2014-08-20 | 中联重科股份有限公司 | Height limiter, operation control system, method and device and crane |
| CN204917706U (en) * | 2015-08-12 | 2015-12-30 | 西京学院 | Marine hydraulic crane load -lifting height stop device |
| CN205241079U (en) * | 2015-12-28 | 2016-05-18 | 连云港步升机械有限公司 | Hose loop wheel machine hoist height stop gear |
| CN206232351U (en) * | 2016-11-30 | 2017-06-09 | 长治清华机械厂 | A kind of steel cable hoisting protection device with height limit switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |