CN205687444U - There is the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function - Google Patents
There is the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function Download PDFInfo
- Publication number
- CN205687444U CN205687444U CN201620589891.3U CN201620589891U CN205687444U CN 205687444 U CN205687444 U CN 205687444U CN 201620589891 U CN201620589891 U CN 201620589891U CN 205687444 U CN205687444 U CN 205687444U
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- suspension hook
- crane
- lorry
- relay
- switch
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Abstract
The utility model discloses a kind of lorry-mounted crane automatic tightening device with suspension hook overtravel protection function, including the proximity switch being installed on the buffer unit between suspension hook and crane arm head, one end of described proximity switch electrically connects with relay one end, the other end of described relay, the other end of proximity switch all switchs one end with automobile power transmission and electrically connects, the other end of described automobile power transmission switch is connected power supply between proximity switch one end, one end of described automobile power transmission switch electrically connects with one end of relay switch, the audible-visual annunciator that the other end of described relay switch is in parallel with on crane operation panel, solenoid directional control valve one end electrically connects, described audible-visual annunciator, the other end of solenoid directional control valve electrically connects with the other end of relay, described solenoid directional control valve promotes oil circuit with crane hoisting and is connected.This utility model can realize steel wire rope pulleying warning and the function of suspension hook automatic tightening protection by one man operation.
Description
Technical field
This utility model relates to a kind of tightening device, and a kind of have the lorry-mounted crane of suspension hook overtravel protection function certainly
Dynamic tightening device, it can realize steel wire rope pulleying warning and the protection of suspension hook automatic tightening simultaneously.
Background technology
Lorry-mounted crane end of job rear hanger need to be fixed reliably, to prevent suspension hook swing in vehicle travel process from making
Become driving hidden danger and steel wire rope disorder cable.
The main fixed form of suspension hook has steel wire rope to tie up or chock clamping at present, and this two ways is both needed to two people and coordinates ability
Realize, increase labor intensity, inefficiency and take space, compartment or affect pilot's line of vision, there is potential safety hazard.At present
Existing crane hook terminal accumbency tightening system, does not takes protective measure to crane hoisting steel wire rope, easily causes steel
Cord stress is excessive, causes steel wire rope to damage.
Utility model content
The purpose of this utility model is to provide a kind of lorry-mounted crane automatic tightening with suspension hook overtravel protection function
Device, it can realize steel wire rope pulleying warning and the function of suspension hook automatic tightening protection by one man operation.
To achieve these goals, technical solution of the present utility model is: one has suspension hook overtravel protection function
Lorry-mounted crane automatic tightening device, close including be installed on the buffer unit between suspension hook and crane arm head
Switch, one end of described proximity switch electrically connects with relay one end, the other end of described relay, the other end of proximity switch
All switching one end with automobile power transmission to electrically connect, the other end of described automobile power transmission switch is connected between proximity switch one end
Power supply, one end of described automobile power transmission switch electrically connects with one end of relay switch, the other end of described relay switch
Electrically connecting with audible-visual annunciator in parallel on crane operation panel, solenoid directional control valve one end, described audible-visual annunciator, electromagnetism change
Electrically connecting with the other end of relay to the other end of valve, described solenoid directional control valve promotes oil circuit with crane hoisting and is connected.
This utility model has a lorry-mounted crane automatic tightening device of suspension hook overtravel protection function, wherein said suspension hook with
Connecting between arm head and have two guide plates, described buffer unit can be installed on two guide plates along what guide plate slided up and down.
This utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function, leads described in two of which
Along vertically to being arranged with two elongated holes on plate, two described buffer units are installed in two elongated holes.
This utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function, and wherein said buffering fills
Being provided with connecting plate in putting, described proximity switch is fixed on described connecting plate by installing nut.
This utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function, wherein said connecting plate
Rubber slab for steel wire.
This utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function, wherein said close to opening
The one end of the one end winding box by moulding copper cash and be fixed on crane basic arm closed electrically connects, another of described winding box
End is electrically connected by the relay one end moulding copper cash and be fixed on crane pedestal.
This utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function, wherein said crane
Hoisting oil circuit includes crane hoisting mechanism, and described crane hoisting mechanism passes through winding lifting in-line, winding lifting
Oil return line connects with oil-in and the oil return opening of multiple directional control valve, and described winding lifting in-line connects with the import of solenoid directional control valve
Logical, the outlet of described solenoid directional control valve and overflow valve inlet communication, the outlet of described overflow valve connects with hydraulic oil container.
After using such scheme, this utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function
During use, after hanging up automobile power transmission switch, whole Circuits System is connected, and when suspension hook is close to buffer unit, proximity switch connects
Logical, relay charges, and relay switch closes, and sound and light alarm circuit is connected, and sends sound and light alarm；Solenoid directional control valve electricity simultaneously
Road is connected, and crane hoisting promotes the multiple directional control valve commutation off-load of oil circuit, and overflow valve can keep crane hoisting to promote oil circuit
Suitable pressure, the most effectively reduces the pulling force that steel wire rope bears, it is ensured that suspension hook in the case of the safe wire cable being connected with suspension hook
Can tighten up smoothly；This utility model has that the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function is single can be completed
Associative operation, solving tradition suspension hook fixed form needs two people to coordinate the shortcoming that could realize, and reduces labor intensity, improves
Work efficiency；Solve tradition suspension hook fixed form take space, compartment or affect the shortcoming of pilot's line of vision, improve safety
Property；Solve tradition suspension hook fixed form and crane hoisting steel wire rope is not taked protective measure, easily cause steel wire rope stress
Excessive, cause the shortcoming that steel wire rope damages, improve the reliability of product, in lorry-mounted crane operation process, there is pulleying
Warning function and loop wheel machine defencive function, it is therefore prevented that steel wire rope damages because stress is excessive；When the lorry-mounted crane end of job, tool
There are automatic tightening suspension hook and loop wheel machine defencive function, protect the stress safety of steel wire rope, it is therefore prevented that hang in vehicle travel process
Hook swings and causes driving hidden danger and steel wire rope disorder cable.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model has the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function
Figure；
Fig. 2 be in Fig. 1 A between suspension hook and arm head to structural representation；
Fig. 3 is suspension hook of the present utility model and arm head electrical block diagram；
Fig. 4 is that crane hoisting of the present utility model promotes oil channel structures schematic diagram.
Below in conjunction with the accompanying drawings, by embodiment, this utility model is described further；
Detailed description of the invention
As depicted in figs. 1 and 2, this utility model has the lorry-mounted crane automatic tightening dress of suspension hook overtravel protection function
Put, including the proximity switch 4 on the buffer unit 3 being installed between suspension hook 1 and crane arm head 2, between suspension hook 1 and arm head 2
Connected by pulley spindle 5 and have two guide plates 6, along vertically to being arranged with two rectangle elongated holes 7 on two guide plates 6, buffering
Being provided with connecting plate 8 in device 3, connecting plate 8 is the rubber slab of steel wire.Proximity switch 4 is fixed on connecting plate by installing nut 9
On 8.Two buffer units 3 can be installed in two elongated holes 7 along what guide plate 6 slided up and down by connecting shaft 9.
Shown in Fig. 3, one end of proximity switch 4 is by the spiral moulding copper cash 10 be fixed on crane basic arm 11
One end electrical connection of box 12, the other end of winding box 12 is by the relay 14 1 moulding copper cash and be fixed on crane pedestal 13
End electrical connection, one end that the other end of relay 14, the other end of proximity switch 4 all switch 15 with automobile power transmission electrically connects,
It is connected automobile power transmission power supply 27 between the other end and one end of proximity switch 4 of automobile power transmission switch 15, this power supply 27
Voltage is 24V.One end of automobile power transmission switch 15 electrically connects with one end of relay switch 16, another of relay switch 16
End electrically connects with the audible-visual annunciator 18 being connected in parallel on crane operation panel 17, solenoid directional control valve 19 one end, sound and light alarm
Device 18, the other end of solenoid directional control valve 19 electrically connect with the other end of relay 14, and solenoid directional control valve 19 carries with crane hoisting
Rise oil circuit 20 to connect.
Shown in Fig. 4, crane hoisting promotes oil circuit 20 and includes crane hoisting mechanism 21, crane hoisting mechanism 21
Connected with oil-in and the oil return opening of multiple directional control valve 24 by winding lifting in-line 22, winding lifting oil return line 23, elevator
Hoist the in-line 22 inlet communication by overflow oil circuit 28 with solenoid directional control valve 19, the outlet of solenoid directional control valve 19 and overflow valve
The inlet communication of 25, the outlet of overflow valve 25 connects with hydraulic oil container 26.
During use, after hanging up automobile power transmission switch 15, whole Circuits System is connected, when suspension hook 1 is close to buffer unit 3
Time, proximity switch 4 connects, and relay 14 charges, and relay switch 16 closes, audible-visual annunciator 18 circuit ON, sends acousto-optic
Report to the police；Solenoid directional control valve 19 place circuit ON simultaneously, crane hoisting promotes the multiple directional control valve 24 of oil circuit 20 and commutates off-load,
Overflow valve 25 can keep crane hoisting to promote the pressure that oil circuit 20 is suitable, the most effectively reduces the pulling force that steel wire rope bears, it is ensured that
In the case of the safe wire cable being connected with suspension hook 1, suspension hook 1 can tighten up smoothly.
This utility model has that the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function is single can complete phase
Closing operation, solving tradition suspension hook fixed form needs two people to coordinate the shortcoming that could realize, and reduces labor intensity, improves work
Make efficiency；Solve tradition suspension hook fixed form take space, compartment or affect the shortcoming of pilot's line of vision, improve safety；
Solve tradition suspension hook fixed form and crane hoisting steel wire rope is not taked protective measure, easily cause steel wire rope stress mistake
Greatly, cause the shortcoming that steel wire rope damages, improve the reliability of product, in lorry-mounted crane operation process, there is pulleying report
Alert function and loop wheel machine defencive function, it is therefore prevented that steel wire rope damages because stress is excessive；When the lorry-mounted crane end of job, have
Automatic tightening suspension hook and loop wheel machine defencive function, protect the stress safety of steel wire rope, it is therefore prevented that suspension hook in vehicle travel process
Swing causes driving hidden danger and steel wire rope disorder cable.
Embodiment described above is only to be described preferred implementation of the present utility model, not new to this practicality
The scope of type is defined, on the premise of without departing from this utility model design spirit, and this area ordinary skill technical staff couple
Various deformation that the technical solution of the utility model is made and improvement, all should fall into what claims of the present utility model determined
In protection domain.
Claims (7)
1. a lorry-mounted crane automatic tightening device with suspension hook overtravel protection function, it is characterised in that include being installed on
The proximity switch on buffer unit between suspension hook and crane arm head, one end of described proximity switch is electrically connected with relay one end
Connecing, the other end of described relay, the other end of proximity switch all switch one end with automobile power transmission and electrically connect, and described automobile takes
Being connected power supply between the other end and proximity switch one end of power device switch, one end of described automobile power transmission switch is opened with relay
One end electrical connection closed, the other end of the described relay switch audible-visual annunciator in parallel with on crane operation panel, electromagnetism
Reversal valve one end electrically connects, and described audible-visual annunciator, the other end of solenoid directional control valve electrically connect with the other end of relay, described
Solenoid directional control valve promotes oil circuit with crane hoisting and is connected.
Having the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function the most as claimed in claim 1, its feature exists
In, it being connected between described suspension hook and arm head and have two guide plates, described buffer unit can be along being installed on that guide plate slides up and down
On two guide plates.
Having the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function the most as claimed in claim 2, its feature exists
In, along vertically to being arranged with two elongated holes on two described guide plates, two described buffer units are installed in two elongated holes.
Having the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function the most as claimed in claim 3, its feature exists
In, it being provided with connecting plate in described buffer unit, described proximity switch is fixed on described connecting plate by installing nut.
Having the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function the most as claimed in claim 4, its feature exists
In, described connecting plate is the rubber slab of steel wire.
Having the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function the most as claimed in claim 1, its feature exists
In, one end of the one end of described proximity switch the winding box by moulding copper cash and be fixed on crane basic arm electrically connects, institute
The other end stating winding box is electrically connected by the relay one end moulding copper cash and be fixed on crane pedestal.
7. the lorry-mounted crane automatic tightening device with suspension hook overtravel protection function as described in one of claim 1-6, its
Being characterised by, described crane hoisting promotes oil circuit and includes that crane hoisting mechanism, described crane hoisting mechanism pass through elevator
Hoist in-line, winding lifting oil return line connects with oil-in and the oil return opening of multiple directional control valve, described winding lifting in-line
With the inlet communication of solenoid directional control valve, the outlet of described solenoid directional control valve and overflow valve inlet communication, the outlet of described overflow valve
Connect with hydraulic oil container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589891.3U CN205687444U (en) | 2016-06-17 | 2016-06-17 | There is the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589891.3U CN205687444U (en) | 2016-06-17 | 2016-06-17 | There is the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205687444U true CN205687444U (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620589891.3U Active CN205687444U (en) | 2016-06-17 | 2016-06-17 | There is the lorry-mounted crane automatic tightening device of suspension hook overtravel protection function |
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| CN (1) | CN205687444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697824A (en) * | 2017-11-08 | 2018-02-16 | 安徽星马专用汽车有限公司 | A kind of elevator receives hook active safety protection system and crane |
-
2016
- 2016-06-17 CN CN201620589891.3U patent/CN205687444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697824A (en) * | 2017-11-08 | 2018-02-16 | 安徽星马专用汽车有限公司 | A kind of elevator receives hook active safety protection system and crane |
| CN107697824B (en) * | 2017-11-08 | 2024-01-19 | 安徽星马专用汽车有限公司 | Active safety protection system for winch hook and crane |
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| GR01 | Patent grant |