CN206345620U - A kind of safe head mast device - Google Patents
A kind of safe head mast device Download PDFInfo
- Publication number
- CN206345620U CN206345620U CN201621431401.3U CN201621431401U CN206345620U CN 206345620 U CN206345620 U CN 206345620U CN 201621431401 U CN201621431401 U CN 201621431401U CN 206345620 U CN206345620 U CN 206345620U
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- China
- Prior art keywords
- water tank
- balance
- side water
- arm
- tower body
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- Expired - Fee Related
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Abstract
The utility model provides a kind of safe head mast device, including tower body, transverse arm, transverse arm pull bar, a suspending bars；The transverse arm is installed on the tower body, and the transverse arm includes the crane arm and the counter-jib positioned at the transverse arm opposite side of position tower body side；The transverse arm pull bar is installed on that the other end on the crane arm is installed on the lifting arm brace of the tower body and one end is installed on the balance arm brace that the other end on counter-jib is installed on the tower body including one end, also included water tank bascule, the water tank bascule includes being arranged on plays heavy side water tank on crane arm, balance side water tank on counter-jib and heavy side water tank is connected and has balanced the balancing pipeline of side water tank, setting two-way pipeline water pump to be used to make the water in heavy side water tank and balance side water tank mutually to be flowed by balancing pipeline on the balancing pipeline makes the center of gravity of transverse arm be located at tower body.The safe head mast device of the utility model is safe.
Description
Technical field
The utility model is related to hoisting machinery field, specifically, safe head mast device.
Background technology
On building field, safe head mast device has become indispensable lifting gear, and tower crane transverse arm torque is not
Equilibrium problem is almost safe head mast device sixty-four dollar question in technological improvement.Conventional is expired using fixed balance weight
The requirement of sufficient complete machine stability, i.e., install the balance weight of constant weight in the tail end of the transverse arm installed in tower body, weighed during Light Condition
Heart hypsokinesis（It is inclined to balance weight side）, and occur center of gravity during full load condition and lean forward（I.e. deviation slings the side of biology）, machine
Body often bears very big moment of flexure, shortens organism life-span, is also easy to cause peace because hoisting heavy is overweight, centre-of gravity shift tower body is excessive
Full head mast device collapses, and these potential safety hazards jeopardize property and the full safety of the person.
Utility model content
The utility model purpose is that cross bar center of gravity can be automatically adjusted, cross bar center of gravity is fallen within tower body all the time by providing one kind
Safe safe head mast device.
A kind of safe head mast device, including tower body, transverse arm, transverse arm pull bar, a suspending bars；The transverse arm is installed on the tower
Body, the transverse arm includes the crane arm and the counter-jib positioned at the transverse arm opposite side of position tower body side；The transverse arm pull bar bag
Include one end and be installed on that the other end on the crane arm is installed on the lifting arm brace of the tower body and one end is installed on counter-jib
The other end is installed on the balance arm brace of the tower body, and also included water tank bascule, the water tank bascule includes peace
On crane arm rise heavy side water tank, the balance side water tank on counter-jib and connect heavy side water tank and balance side water
Two-way pipeline water pump is set to be used to make the water in heavy side water tank and balance side water tank on the balancing pipeline of case, the balancing pipeline
Mutually being flowed by balancing pipeline makes the center of gravity of transverse arm be located at tower body.
Preferably, the water tank bascule also includes lifting layback force snesor, balance layback force snesor and control
Device；The lifting layback force snesor, which is installed on, is used for the pulling force for sensing lifting lateral bracing strut on the lifting arm brace, described flat
Weighing apparatus layback force snesor is installed on the pulling force for being used to sense balance lateral bracing strut on balance arm brace；The controller is connected to described
Lifting layback force snesor, balance layback force snesor and the two-way pipeline water pump；The controller is used for according to a heavy side
Pull bar and the pulling force calculating cross bar center of gravity for balancing lateral bracing strut, and control the open and close of the two-way pipeline water pump.
It is preferred that, described water tank bascule has pressure sensor, and described pressure sensor is connected with controller,
Described pressure sensor has 2, and described pressure sensor has been located at heavy side water tank and has balanced the bottom of side water tank respectively,
After described water pump is closed, controller starts pressure sensor action, monitoring heavy side water tank and the variation in water pressure for balancing side water tank.
Preferably, in addition to controller the input unit being connected, the gravimetric value for inputting weight, the controller is pre-
First store the corresponding relation of gravimetric value and working pulling force.
Preferably, what described heavy side water tank can be slided is installed on the crane arm, and the balancing pipeline is flexibility
Material is made to flexible flexible pipe.
Preferably, controller setting center of gravity crane arm or deviate on counter-jib tower body distance include safety away from
From, warning distance, risk distance, wherein safe distance is less than warning distance, warning distance less than risk distance；In safe distance
Do not adjust lifting side water tank and balance side water tank water, more than warning distance and adjusted heavy side water tank less than risk distance
With the water of balance side water tank, stop lifting running during more than risk distance.
Preferably, playing heavy side water tank bottom has had heavy side automatic blow off valve, when centre-of gravity shift is in crane arm side and exceedes
When safe distance certain time is not recovered to safe distance, safety valve is automatically opened up, and water tank bottom plate is completely disengaged
Moment excludes the water in water tank.
Preferably, balance side water tank bottom has balance side automatic blow off valve, when centre-of gravity shift is in counter-jib side and exceedes
When safe distance certain time is not recovered to safe distance, balance side automatic blow off valve automatically opens up drainage door and entered
Row draining, after centre-of gravity shift carries out safe distance, stops draining.
Preferably, there is individual threeway ground connection water pipe on two-way pipeline ballast pump, ground water supply and drainage pipe is connected, to playing heavy side
The total Water of water tank and balance side water tank is adjusted.
Preferably, playing heavy side water tank and balance side water tank lower end has the water tank fixed mount of activity, for limiting water tank in water
Square to rock.
Preferably, the heavy side water tank and balance side water tank are multistage stacked water tank group.
The beneficial effects of the utility model are：The safe head mast device of the utility model is by being arranged at tower body both sides and through flat
The heavy side water tank that rises of Hengshui pipe connection mutually flows with balancing the water of side water tank, so as to adjust between crane arm and counter-jib
Balance, makes the center of gravity of transverse arm fall within tower body position, easy to adjust, can enhance efficiently and effectively safe tower crane with dynamic regulation
The security performance of device.
Brief description of the drawings
Fig. 1 is the structural representation for the safe head mast device that the utility model preferred embodiment is provided.
Fig. 2 is the block diagram of the safe head mast device shown in Fig. 1.
Embodiment
Refer to Fig. 1 to Fig. 2, a kind of safe head mast device 100 that the utility model preferred embodiment is provided, including base
Seat 10, tower body 20, transverse arm 30, transverse arm pull bar 40, suspending bars 50 and water tank bascule 60.
The bottom of the tower body 20 is installed on the pedestal 10, and the tower body 20 is perpendicular to the pedestal 10.The horizontal stroke
Arm 30 is installed vertically on the tower body 20 close to the position on top, the transverse arm 30 include the side of position tower body 20 crane arm 31 and
Positioned at the counter-jib 32 of the transverse arm opposite side.What the transverse arm 30 can horizontally rotate is arranged on the tower body 20.
The transverse arm pull bar 40 includes lifting arm brace 41 and balance arm brace 42.In present embodiment, the transverse arm is drawn
Bar 40 is steel wire rope.Described one end of lifting arm brace 41 is installed on the crane arm 31, and the other end is installed on the tower body 10
Top.One end of the balance arm brace 42 is installed on counter-jib 32, and the other end is installed on the top of the tower body 10.This
In embodiment, lifting arm brace 41 and balance arm brace 42 are fixedly installed in crane arm 31, counter-jib 32 and tower body 10 respectively
Top.
Described one end of suspending bars 50 is arranged on crane arm 31, and the other end can set hook（It is not shown）To hook weight
In thing 200, present embodiment, described suspending bars 50 are also steel wire rope, it is possible to which crane arm 31 sets pulley, then by steel wire rope
It is around on pulley.
The water tank bascule 60 has included heavy side water tank 61, balance side water tank 62, balancing pipeline 63, lifting side draw
Sensor 64, balance layback force snesor 65 and controller 66.Described heavy side water tank 61 is installed on the crane arm 31, tool
Body, which is fixedly mounted, to be located at close to the position of tower body 20.Balance side water tank 62 is fixedly installed on the counter-jib 32.It is described
Balancing pipeline 63 is connected between described heavy side water tank 61 and balance side water tank 62, has specifically been connected to heavy side water tank 61 and flat
The bottom of weighing apparatus side water tank 62, the medium position of the balancing pipeline 63 substantially is provided with two-way pipeline water pump 631.The two-way pipe
Road water pump 631 is used to the water risen in heavy side water tank 61 being evacuated in balance side water tank 62, or the water that will balance in the water tank of side 62
It has been evacuated in heavy side water tank 61.
The lifting layback force snesor 64 is installed on the lifting arm brace 41, the balance layback force snesor 65
It is installed on balance arm brace 42.The controller 66 is connected to the lifting layback force snesor 64, balance side draw sensing
Device 65 and the two-way pipeline water pump 631.
Described water tank bascule 60 has pressure sensor, and described pressure sensor is connected with controller 66, institute
The pressure sensor stated has 2, and described pressure sensor has been located at heavy side water tank 61 and has balanced the bottom of side water tank 62 respectively
Portion, after described water pump 631 is closed, controller starts pressure sensor action, monitoring heavy side water tank 61 and balance side water tank 62
Variation in water pressure.
After described water pump 631 is closed, if heavy side water tank 61 and balance side water tank 62 bottom hydraulic pressure exceed preset pressure
It is worth scope, it is understood that there may be drainage.
Further, described pressure sensor is connected with siren, when beyond preset pressure value scope, siren is sent
Alarm, it is ensured that lifting security.
In use, in original state, i.e., when a suspending bars 50 does not sling weight 200, the lifting layback force snesor
64th, balance layback force snesor 65 senses certain initial tensile force and is sent to controller 66 respectively, and controller 66 is according to first
Beginning pulling force calculates the torque of crane arm 31 and counter-jib 32 respectively, is now defined as initial torque, and control the two-way pipeline
The open and close of water pump 631, make the two-way pipeline water pump 631 that the water risen in heavy side water tank 61 is evacuated into balance side water tank 62
It is interior, or 62 water in the water tank of side will be balanced be evacuated in heavy side water tank 61, with this reach crane arm 31 and counter-jib 32 at the beginning of
Beginning poised state, the i.e. center of gravity of transverse arm 30 falls on the tower body 20.
When a suspending bars 50 slings weight 200, the lifting layback force snesor 64,65 points of balance layback force snesor
Do not sense certain initial tensile force to change, the pulling force now sensed respectively is defined as working pulling force.Sense respectively
Working pulling force send controller 66 to, controller 66 calculates the lifting of crane arm 31 and counter-jib 32 according to working pulling force respectively
Torque during weight 200, is now defined as work torque, and controls the open and close of the two-way pipeline water pump 631, makes institute
State two-way pipeline water pump 631 water risen in heavy side water tank 61 is evacuated in balance side water tank 62, or will balance 62 in the water tank of side
Water be evacuated in heavy side water tank 61, the functioning equalization state of crane arm 31 and counter-jib 32, i.e. transverse arm 30 are reached with this still
Right center of gravity falls on the tower body 20.
When slinging weight 200 above, to prevent weight overweight, do not reach that work is put down in time in crane arm 31 and counter-jib 32
Weighing apparatus state, and crane arm is excessive and the time is longer and causes security incident for center of gravity deviation, can have a pre- lifting process, that is, rise
Suspending bars 50 sling weight very short time and lifting layback force snesor 64, balance layback force snesor 65 sense work respectively
Make after pulling force, play a suspending bars 50 and put down weight, device 66 to be controlled controls crane arm 31 and counter-jib 32 according to working pulling force
After the circulation for having controlled water balance side water tank 62 in heavy side water tank 61, weight 200 is then sling again, makes crane arm 31 and flat
Weighing apparatus arm 32 directly reaches functioning equalization state.
The safe head mast device of the utility model is by being arranged at tower body both sides and playing heavy side water tank through what balancing pipeline was connected
Mutually flowed with the water of balance side water tank, so as to adjust the balance between crane arm and counter-jib, fall within the center of gravity of transverse arm
Tower body position, it is easy to adjust, efficiently and the security performance of safe head mast device can effectively be enhanced with dynamic regulation.
In other embodiments, the bag of water tank bascule 60 can not include lifting layback force snesor 64, put down
Weigh layback force snesor 65 and controller 66.Can be according to known weight 200 by manually calculating acquisition position of centre of gravity, and manually
Two-way pipeline water pump 631 is opened, heavy side water tank 61 has been adjusted and has balanced the water of side water tank 62, manually understood heavy side for convenience
Water tank 61 and the water for balancing side water tank 62, two water tanks can further set scale.
Further, in addition to controller 66 input unit 67 being connected, when being known a priori by the weight of weight 200,
Gravimetric value can be directly inputted, and controller 66 prestores the corresponding relation of gravimetric value and working pulling force, the basis of controller 66
Working pulling force is controlled after the circulation of the water balance side water tank 62 controlled in heavy side water tank 61 of crane arm 31 and counter-jib 32, then
Weight 200 is sling, crane arm 31 and counter-jib 32 is directly reached functioning equalization state.
It is understood that sling under functioning equalization state after weight 200, transverse arm 30 around tower body 20 rotate when, due to
Usually uniform rotation, the lifting layback force snesor 64 and balance layback force snesor 65 sense pulling force and not become respectively
Change, controller need not adjust the water of heavy side water tank 61 and balance side water tank.
Further, if the weight 200 sling is slided on counter-jib to be transported to precalculated position by weight 200,
The dynamic regulation of controller 66 plays the water of heavy side water tank 61 and balance side water tank 61 to keep center of gravity in tower body in sliding process
On 20.
In other embodiments, what described heavy side water tank 62 can be slided is installed on the crane arm 31, described
Balancing pipeline 63 is that flexible material is made to flexible flexible pipe.Described rise is installed on due to what a heavy side water tank 62 can be slided
Weighing arm 31, the center of gravity that can more flexibly, quickly adjust crossbeam 31 is fallen within the tower body 20.
Further, controller 66 can set center of gravity crane arm 31 or on counter-jib 32 deviate tower body 20 distance
（I.e. center of gravity to tower body 20 distance）Including safe distance, warning distance, risk distance, wherein safe distance be less than warning away from
From, warning distance less than risk distance.Deviation i.e. in safe distance is allowed, and can not adjust the peace of lifting side water tank 61
The water of weighing apparatus side water tank 62, heavy side water tank 61 and balance side water will have been adjusted by just being reminded more than warning distance and less than risk distance
The water of case 62, lifting running, starting protection measure will be stopped immediately more than risk distance.
Further, playing the bottom of heavy side water tank 61 has had heavy side automatic blow off valve 610, when centre-of gravity shift is in crane arm 31 1
Side and when not recovering more than safe distance certain time to safe distance, safety valve is automatically opened up, water tank bottom plate
Completely disengaged, moment excludes Water in Water Tanks, to mitigate the shock after whole tower crane collapses to ground.
Further, balance side automatic blow off valve 620 is arranged at balance side water tank 62 bottom, when centre-of gravity shift is in counter-jib side
And when not recovering more than safe distance certain time, balance side automatic blow off valve 620 is automatically opened up, drainage door pulsed
Folding, carries out pulse-type drainage, after centre-of gravity shift enters safe distance, stops draining.In addition, two-way pipeline ballast pump 631
On have individual threeway ground connection water pipe, ground water supply and drainage pipe is connected, to playing the total Water in heavy side water tank 61 and balance side water tank 62
It is adjusted.
Further, playing heavy side water tank 61 and balance side water tank 62 lower end has the water tank fixed mount of activity, prevents water tank from shaking
Dynamic, a limitation water tank rocking in the horizontal direction can slide up and down, to eliminate the adverse effect that water tank is adjusted to center of gravity.
In other embodiments, it is multistage stacked water tank group to play heavy side water tank 61 and balance side water tank 62（It is i.e. many
Individual water tank is stacked together）, according to the adjustment of weight water tank quantity of lifted weight.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical fields, similarly it is included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of safe head mast device, including tower body, transverse arm, transverse arm pull bar, a suspending bars；The transverse arm is installed on the tower
Body, the transverse arm includes the crane arm and the counter-jib positioned at the transverse arm opposite side of position tower body side；The transverse arm pull bar bag
Include one end and be installed on that the other end on the crane arm is installed on the lifting arm brace of the tower body and one end is installed on counter-jib
The other end is installed on the balance arm brace of the tower body, it is characterised in that：Also include water tank bascule, the water tank balance dress
Put including on crane arm rise heavy side water tank, the balance side water tank on counter-jib and connected heavy side water tank and
Balance and set two-way pipeline water pump to be used to make heavy side water tank and balance side water on the balancing pipeline of side water tank, the balancing pipeline
Water in case is mutually flowed by balancing pipeline makes the center of gravity of transverse arm be located at tower body；
The water tank bascule also includes lifting layback force snesor, balance layback force snesor and controller；The lifting
Layback force snesor, which is installed on, is used for the pulling force for sensing lifting lateral bracing strut on the lifting arm brace, the balance side draw sensing
Device is installed on the pulling force for being used to sense balance lateral bracing strut on balance arm brace；The controller is connected to the lifting side draw and passed
Sensor, balance layback force snesor and the two-way pipeline water pump；The controller is used for according to lifting lateral bracing strut and balance side
The pulling force of pull bar calculates cross bar center of gravity, and controls the open and close of the two-way pipeline water pump.
Described water tank bascule has pressure sensor, and described pressure sensor is connected with controller, described pressure
Sensor has 2, and described pressure sensor has been located at heavy side water tank and has balanced the bottom of side water tank, described water pump respectively
After closing, controller starts pressure sensor action, monitoring heavy side water tank and the variation in water pressure for balancing side water tank.
2. safe head mast device as claimed in claim 1, it is characterised in that：Described pressure sensor is connected with siren.
3. safe head mast device as claimed in claim 1, it is characterised in that：Also include the input unit being connected with controller,
Gravimetric value for inputting weight, the controller prestores the corresponding relation of gravimetric value and working pulling force.
4. safe head mast device as claimed in claim 1, it is characterised in that：What described heavy side water tank can be slided is installed on
On the crane arm, the balancing pipeline is that flexible material is made to flexible flexible pipe.
5. safe head mast device as claimed in claim 1, it is characterised in that：Controller setting center of gravity crane arm or
On counter-jib deviate tower body distance include safe distance, warning distance, risk distance, wherein safe distance be less than warning away from
From, warning distance less than risk distance；The water for not adjusting lifting side water tank and balance side water tank in safe distance, more than police
Guard against distance and the water of heavy side water tank and balance side water tank has been adjusted less than risk distance, handling has been stopped during more than risk distance
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431401.3U CN206345620U (en) | 2016-12-23 | 2016-12-23 | A kind of safe head mast device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431401.3U CN206345620U (en) | 2016-12-23 | 2016-12-23 | A kind of safe head mast device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206345620U true CN206345620U (en) | 2017-07-21 |
Family
ID=59317601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621431401.3U Expired - Fee Related CN206345620U (en) | 2016-12-23 | 2016-12-23 | A kind of safe head mast device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206345620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466940A (en) * | 2018-04-03 | 2018-08-31 | 新疆庞源机械工程有限公司 | A kind of derrick crane integrating signal tower and water tower |
-
2016
- 2016-12-23 CN CN201621431401.3U patent/CN206345620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466940A (en) * | 2018-04-03 | 2018-08-31 | 新疆庞源机械工程有限公司 | A kind of derrick crane integrating signal tower and water tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |