CN107686065A - A kind of derrick crane self-balancing control method and device - Google Patents
A kind of derrick crane self-balancing control method and device Download PDFInfo
- Publication number
- CN107686065A CN107686065A CN201710823627.0A CN201710823627A CN107686065A CN 107686065 A CN107686065 A CN 107686065A CN 201710823627 A CN201710823627 A CN 201710823627A CN 107686065 A CN107686065 A CN 107686065A
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- China
- Prior art keywords
- balanced adjustment
- jib
- counter
- tower body
- trigger
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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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
- B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of derrick crane self-balancing control method and device, the device includes tower body and is hingedly connected at the crane arm and counter-jib of tower body both sides, the outer end of crane arm and counter-jib away from tower body is connected by lifting arm brace peace weighing apparatus arm brace with the balanced adjustment trigger at the top of tower body respectively, and described balanced adjustment trigger is rotatably connected on tower body by bearing pin.When gravitational difference between crane arm and counter-jib be present in the balanced adjustment trigger at the top of tower body of the present invention, balanced adjustment trigger can be swung to the left or to the right in certain angular range, and then trigger the left balanced adjustment switch or right balanced adjustment switch of balanced adjustment trigger both sides, by left balanced adjustment switch or right balanced adjustment switch control counter-jib on counterweight walking mechanism horizontal left or level move to right, so as to eliminate the weight difference of counter-jib and crane arm both ends, reach the purpose of automatic recovery, avoid tower crane unbalance and fracture or the accident collapsed occurs.
Description
Technical field
The present invention relates to a kind of derrick crane self-balancing control method and device, belong to tower crane technical field.
Background technology
Counterweight on traditional balance arm of tower-type crane is typically directly fixedly installed in rear end, in most cases counter-jib
The lifting object of front end can not be realized with the counterweight of rear end and balanced, therefore easily cause tower crane rotation support rod or counter-jib
Local location due to long-term stress and often in fatigue state, and then easily make tower crane that fracture or the thing collapsed occur
Therefore.
The content of the invention
It is an object of the present invention to provide a kind of tower lifting for being capable of adjust automatically crane arm and counter-jib both ends weight
Machine self-balancing control method and device, so that crane arm and counter-jib remain flat under off working state or working condition
Weighing apparatus, avoid derrick crane unbalance and fracture or the accident collapsed occurs, to overcome deficiency of the prior art.
Technical scheme：A kind of derrick crane self-balancing control method, first by crane arm and counter-jib
One end is hingedly connected at the both sides of tower body respectively, then the other end of crane arm and counter-jib is passed through into lifting arm brace peace respectively
Weighing apparatus arm brace is connected on the balanced adjustment trigger at the top of tower body, and described balanced adjustment trigger is rotatablely connected by bearing pin
At the top of tower body, left balanced adjustment switch and right balanced adjustment switch are installed respectively in the both sides of balanced adjustment trigger, simultaneously
Being provided with counter-jib can be along the counterweight walking mechanism that counter-jib horizontal direction moves；When the weight and balance arm of crane arm
Weight is unequal and during disequilibrium, balanced adjustment trigger because of lifting arm brace or can balance the pulling force effect of arm brace to the left
Or swing to the right, and then the left balanced adjustment switch or right balanced adjustment switch of balanced adjustment trigger both sides are triggered, pass through a left side
Balanced adjustment switchs or right balanced adjustment switch control counterweight walking mechanism moves to right in counter-jib horizontal left or level, so that
Counter-jib can reach self balancing purpose with crane arm.
In the above method, the full swing angle of the balanced adjustment trigger is 5~12 °.
Meanwhile the present invention also provides a kind of derrick crane self-balancing control device, including tower body and it is hingedly connected at
The crane arm and counter-jib of tower body both sides, the outer end of crane arm and counter-jib away from tower body respectively by lifting arm brace and
Balance arm brace is connected with the balanced adjustment trigger at the top of tower body, and described balanced adjustment trigger is rotatablely connected by bearing pin
On tower body, left balanced adjustment switch is installed respectively in the both sides of balanced adjustment trigger and right balanced adjustment switchs, while
Being provided with counter-jib can be along the counterweight walking mechanism that counter-jib horizontal direction moves, left balanced adjustment switch and right balanced adjustment
Switch is electrically connected with counterweight walking mechanism respectively.
In said apparatus, described balanced adjustment trigger is made using T-steel plate, the both ends difference of T-steel plate
It is connected with lifting arm brace peace weighing apparatus arm brace, the middle part of T-steel plate is rotatably connected on tower body by bearing pin, in T-steel plate
Lower end be connected with trigger head, left balanced adjustment switch and right balanced adjustment switch are separately mounted to the both sides of trigger head.
In said apparatus, described counterweight walking mechanism includes being horizontally arranged at the guide rail of counter-jib bottom, on guide rail
Side is provided with the walking dolly that can be moved along guide rail, the bottom surface of guide rail is provided with rack, walking dolly passes through pull bar and guide rail
The suspension bracket of lower section is fixedly connected, and counterweight cement plate is fixed with suspension bracket, at the same be installed with the top of suspension bracket motor and
Decelerator, described motor are switched with left balanced adjustment switch and right balanced adjustment respectively by wire, the input shaft of decelerator
By the output axis connection of shaft coupling and motor, be installed with walking gear on the output shaft of decelerator, walking gear with
The rack engagement of guide rail bottom.
Due to using above-mentioned technical proposal, the advantage of the invention is that：Balanced adjustment trigger at the top of tower body of the present invention
When gravitational difference between crane arm and counter-jib be present, balanced adjustment trigger in certain angular range can to the left or to
Right swing, and then the left balanced adjustment switch or right balanced adjustment switch of balanced adjustment trigger both sides are triggered, pass through left balance
Adjustment switch or right balanced adjustment switch control counter-jib on counterweight walking mechanism horizontal left or level move to right, so as to eliminate
Counter-jib and the weight difference at crane arm both ends, reach the purpose of automatic recovery, avoid derrick crane unbalance and occur disconnected
The accident split or collapsed.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of balanced adjustment trigger；
Fig. 3 is the structural representation of counterweight walking mechanism；
Fig. 4 is Fig. 3 E enlarged drawings.
Description of reference numerals：1- tower bodies, 2- crane arms, 3- counter-jibs, 4- liftings arm brace, 5- balances arm brace, 6- are put down
The left balanced adjustment switch of weighing apparatus adjustment trigger, 7- counterweights walking mechanism, 8-, the right balanced adjustment switches of 9-, 10- trigger heads, 11- pins
Axle, 12- suspension brackets, 13- counterweight cement plates, 14- motors, 15- walking dollies, 16- walking gears, 17- guide rails, 18- pull bars, 19-
Decelerator, 20- racks.
Embodiment
In order that the object of the invention, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and embodiment is to this hair
It is bright to be described in further detail.
Embodiments of the invention：Derrick crane self-balancing control device including tower body 1 and hinge as shown in figure 1, connect
It is connected on the crane arm 2 and counter-jib 3 of the both sides of tower body 1, it is characterised in that：The crane arm 2 and counter-jib 3 are outer away from tower body 1
End is connected by lifting arm brace 4 and balance arm brace 5 with the balanced adjustment trigger 6 at the top of tower body 1 respectively, described balance
Adjustment trigger 6 is rotatably connected on tower body 1 by bearing pin 11, and left balance is installed respectively in the both sides of balanced adjustment trigger 6
Adjustment switch 8 and right balanced adjustment switch 9, while the counterweight that can be moved along the horizontal direction of counter-jib 3 is installed on counter-jib 3
Walking mechanism 7, left balanced adjustment switch 8 and right balanced adjustment switch 9 are electrically connected with counterweight walking mechanism 7 respectively.Referring to figure
2, described balanced adjustment trigger 6 is made using T-steel plate, and the both ends of T-steel plate are peaceful with lifting arm brace 4 respectively
Weighing apparatus arm brace 5 is connected, and the middle part of T-steel plate is rotatably connected on tower body 1 by bearing pin 11, is connected with the lower end of T-steel plate
Trigger head 10, left balanced adjustment switch 8 and right balanced adjustment switch 9 are separately mounted to the both sides of trigger head 10.Referring to Fig. 3 and figure
4, described counterweight walking mechanism 7 includes being horizontally arranged at the guide rail 17 of the bottom of counter-jib 3, and being provided with above guide rail 17 can edge
The walking dolly 15 that guide rail 17 moves, rack 20 is provided with the bottom surface of guide rail 17, walking dolly 15 passes through pull bar 18 and guide rail
The suspension bracket 12 of 17 lower sections is fixedly connected, and counterweight cement plate 13 is fixed with suspension bracket 12, while fix peace at the top of suspension bracket 12
Equipped with motor 14 and decelerator 19, described motor 14 is opened with left balanced adjustment switch 8 and right balanced adjustment respectively by wire
9 are closed, the input shaft of decelerator 19 is by the output axis connection of shaft coupling and motor 14, the fixed peace on the output shaft of decelerator 19
Equipped with walking gear 16, walking gear 16 engages with the rack 20 of the bottom of guide rail 17.
The operation principle of the present invention：One end of crane arm 2 and counter-jib 3 is hingedly connected to the two of tower body 1 respectively first
Side, then the other end of crane arm 2 and counter-jib 3 is connected to tower body 1 and pushed up by lifting arm brace 4 and balance arm brace 5 respectively
On the balanced adjustment trigger 6 in portion, described balanced adjustment trigger 6 is rotatably connected on tower body 1 by bearing pin 11, is being balanced
Left balanced adjustment switch 8 and right balanced adjustment switch 9 are installed in the both sides of adjustment trigger 6 respectively, while are installed on counter-jib 3
There is the counterweight walking mechanism 7 that can be moved along the horizontal direction of counter-jib 3；When the weight of the weight and balance arm 3 of crane arm 2 is unequal
And during disequilibrium, balanced adjustment trigger 6 can be leftward or rightward because of the pulling force effect of lifting arm brace 4 or balance arm brace 5
Swing, and then the left balanced adjustment for triggering the both sides of balanced adjustment trigger 6 switchs 8 or right balanced adjustments switch 9, passes through left balance
Motor 14 in the control counterweight walking mechanism 7 of adjustment 8 or right balanced adjustments of switch switch 9 is rotated forward or inverted, and then passes through row
Walking gear 16 drives counterweight walking mechanism 7 to be moved to right in the horizontal left of counter-jib 3 or level, so that counter-jib 3 and the energy of crane arm 2
Enough reach self balancing purpose.The full swing angle of the balanced adjustment trigger 6 be 5~12 °, avoid crane arm 2 with
Gravity between counter-jib 3 is looked into excessive, and causes tower body 1 unbalance.
Claims (5)
- A kind of 1. derrick crane self-balancing control method, it is characterised in that：First by the one of crane arm (2) and counter-jib (3) End is hingedly connected at the both sides of tower body (1) respectively, then the other end of crane arm (2) and counter-jib (3) is passed through into crane arm respectively Pull bar (4) and balance arm brace (5) are connected on the balanced adjustment trigger (6) at the top of tower body (1), and described balanced adjustment touches Hair device (6) is rotatably connected on tower body (1) by bearing pin (11), is installed respectively in the both sides of balanced adjustment trigger (6) left flat Weighing apparatus adjustment switch (8) and right balanced adjustment switch (9), while be provided with counter-jib (3) can be along counter-jib (3) horizontal direction Mobile counterweight walking mechanism (7)；When the weight of the weight and balance arm (3) of crane arm (2) is unequal and during disequilibrium, put down Weighing apparatus adjustment trigger (6) can be swung to the left or to the right because of the pulling force effect of lifting arm brace (4) or balance arm brace (5), and then The left balanced adjustment switch (8) or right balanced adjustment switch (9) of balanced adjustment trigger (6) both sides are triggered, is adjusted by left balance Whole switch (8) or right balanced adjustment switch (9) control counterweight walking mechanism (7) move to right in counter-jib (3) horizontal left or level, So that counter-jib (3) can reach self balancing purpose with crane arm (2).
- 2. according to the derrick crane self-balancing control method described in claim 1, it is characterised in that：The balanced adjustment trigger (6) full swing angle is 5~12 °.
- 3. a kind of derrick crane self-balancing control device, including tower body (1) and the lifting for being hingedly connected at tower body (1) both sides Arm (2) and counter-jib (3), it is characterised in that：The outer end of the crane arm (2) and counter-jib (3) away from tower body (1) passes through respectively Lifting arm brace (4) and balance arm brace (5) are connected with the balanced adjustment trigger (6) at the top of tower body (1), and described balance is adjusted Whole trigger (6) is rotatably connected on tower body (1) by bearing pin (11), is installed respectively in the both sides of balanced adjustment trigger (6) Left balanced adjustment switch (8) and right balanced adjustment switch (9), while be provided with counter-jib (3) can be along counter-jib (3) level The counterweight walking mechanism (7) of direction movement, left balanced adjustment switch (8) and right balanced adjustment switch (9) are walked with counterweight respectively Mechanism (7) is electrically connected with.
- 4. derrick crane self-balancing control device according to claim 3, it is characterised in that：Described balanced adjustment touches Hair device (6) is made using T-steel plate, and the both ends of T-steel plate connect with lifting arm brace (4) and balance arm brace (5) respectively Connect, the middle part of T-steel plate is rotatably connected on tower body (1) by bearing pin (11), and trigger head is connected with the lower end of T-steel plate (10), left balanced adjustment switch (8) and right balanced adjustment switch (9) are separately mounted to the both sides of trigger head (10).
- 5. derrick crane self-balancing control device according to claim 3, it is characterised in that：Described counterweight vehicle with walking machine Structure (7) includes the guide rail (17) for being horizontally arranged at counter-jib (3) bottom, is provided with and can be moved along guide rail (17) above guide rail (17) Dynamic walking dolly (15), rack (20) is provided with the bottom surface of guide rail (17), walking dolly (15) is by pull bar (18) with leading Suspension bracket (12) below rail (17) is fixedly connected, and counterweight cement plate (13) is fixed with suspension bracket (12), while in suspension bracket (12) Top be installed with motor (14) and decelerator (19), described motor (14) is opened with left balanced adjustment respectively by wire Close (8) and right balanced adjustment switch (9), the input shaft of decelerator (19) by the output axis connection of shaft coupling and motor (14), Walking gear (16), walking gear (16) and the rack of guide rail (17) bottom are installed with the output shaft of decelerator (19) (20) engage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823627.0A CN107686065A (en) | 2017-09-13 | 2017-09-13 | A kind of derrick crane self-balancing control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823627.0A CN107686065A (en) | 2017-09-13 | 2017-09-13 | A kind of derrick crane self-balancing control method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107686065A true CN107686065A (en) | 2018-02-13 |
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ID=61156280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710823627.0A Pending CN107686065A (en) | 2017-09-13 | 2017-09-13 | A kind of derrick crane self-balancing control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107686065A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103898A (en) * | 2020-10-12 | 2020-12-18 | 山东钢铁股份有限公司 | Improved cable pulley |
| CN116374858A (en) * | 2023-04-18 | 2023-07-04 | 江苏朗恩机械制造有限公司 | Balance weight balancing structure of crane |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5265741A (en) * | 1992-08-11 | 1993-11-30 | Paceco Corp. | Boom extension for gantry cranes |
| CN201647849U (en) * | 2010-02-09 | 2010-11-24 | 孙承年 | Automatic balancing tower type crane |
| WO2013075816A1 (en) * | 2011-11-21 | 2013-05-30 | Wolffkran Holding Ag | Counterweight fixing device |
| CN205328478U (en) * | 2016-01-12 | 2016-06-22 | 石峰 | Heavy balanced tower crane |
| KR20160081238A (en) * | 2014-12-31 | 2016-07-08 | 주식회사 아이엘엔지니어링 | Multipurpose hoist |
| CN206375601U (en) * | 2017-01-16 | 2017-08-04 | 宜宾市远平机械制造有限公司 | A kind of balanced type tower crane |
| CN207347045U (en) * | 2017-09-13 | 2018-05-11 | 谭高丰 | A kind of derrick crane self-balancing control device |
-
2017
- 2017-09-13 CN CN201710823627.0A patent/CN107686065A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5265741A (en) * | 1992-08-11 | 1993-11-30 | Paceco Corp. | Boom extension for gantry cranes |
| CN201647849U (en) * | 2010-02-09 | 2010-11-24 | 孙承年 | Automatic balancing tower type crane |
| WO2013075816A1 (en) * | 2011-11-21 | 2013-05-30 | Wolffkran Holding Ag | Counterweight fixing device |
| KR20160081238A (en) * | 2014-12-31 | 2016-07-08 | 주식회사 아이엘엔지니어링 | Multipurpose hoist |
| CN205328478U (en) * | 2016-01-12 | 2016-06-22 | 石峰 | Heavy balanced tower crane |
| CN206375601U (en) * | 2017-01-16 | 2017-08-04 | 宜宾市远平机械制造有限公司 | A kind of balanced type tower crane |
| CN207347045U (en) * | 2017-09-13 | 2018-05-11 | 谭高丰 | A kind of derrick crane self-balancing control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103898A (en) * | 2020-10-12 | 2020-12-18 | 山东钢铁股份有限公司 | Improved cable pulley |
| CN116374858A (en) * | 2023-04-18 | 2023-07-04 | 江苏朗恩机械制造有限公司 | Balance weight balancing structure of crane |
| CN116374858B (en) * | 2023-04-18 | 2023-10-03 | 江苏朗恩机械制造有限公司 | Balance weight balancing structure of crane |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180213 |
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| RJ01 | Rejection of invention patent application after publication |