CN207347045U - A kind of derrick crane self-balancing control device - Google Patents
A kind of derrick crane self-balancing control device Download PDFInfo
- Publication number
- CN207347045U CN207347045U CN201721170859.2U CN201721170859U CN207347045U CN 207347045 U CN207347045 U CN 207347045U CN 201721170859 U CN201721170859 U CN 201721170859U CN 207347045 U CN207347045 U CN 207347045U
- Authority
- CN
- China
- Prior art keywords
- balanced adjustment
- jib
- tower body
- counter
- trigger
- 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.)
- Expired - Fee Related
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses 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 is connected by lifting arm brace peace weighing apparatus arm brace with the balanced adjustment trigger at the top of tower body respectively, and the balanced adjustment trigger is rotatably connected on tower body by axis pin.There are during gravitational difference between crane arm and counter-jib for balanced adjustment trigger at the top of the utility model tower body, 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, achieve the purpose that automatic recovery, avoid tower crane unbalance and fracture or the accident collapsed occurs.
Description
Technical field
A kind of derrick crane self-balancing control device is the utility model is related to, belongs to tower crane technical field.
Background technology
Counterweight on traditional balance arm of tower-type crane is generally 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 be easy to 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.
Utility model content
The purpose of this utility model is that, there is provided it is a kind of to be capable of the tower of adjust automatically crane arm and counter-jib both ends weight
Crane self-balancing control device, so that crane arm and counter-jib remain flat under off working state or working status
Weighing apparatus, avoids derrick crane unbalance and fracture or the accident collapsed occurs, to overcome deficiency of the prior art.
The technical solution of the utility model：A kind of derrick crane self-balancing control device, including tower body and hinge connect
The crane arm and counter-jib of tower body both sides are connected on, the outer end of crane arm and counter-jib away from tower body is drawn by crane arm respectively
Bar and balance arm brace are connected with the balanced adjustment trigger at the top of tower body, and the balanced adjustment trigger is rotated by axis pin
It is connected on tower body, left balanced adjustment switch and right balanced adjustment switch is installed respectively in the both sides of balanced adjustment trigger, together
When be provided with counter-jib can be along the counterweight walking mechanism that counter-jib horizontal direction moves, left balanced adjustment switch and right balance
Adjustment switch is electrically connected with counterweight walking mechanism respectively.
In above device, the 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 axis 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 above device, the 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 rod and guide rail
The hanger of lower section is fixedly connected, and counterweight cement plate is fixed with hanger, at the same be installed with the top of hanger motor and
Retarder, the motor are switched with left balanced adjustment switch and right balanced adjustment respectively by conducting wire, the input shaft of retarder
By the output axis connection of shaft coupling and motor, be installed with walking gear on the output shaft of retarder, walking gear with
The rack engagement of guide rail bottom.
Due to the adoption of the above technical scheme, the utility model has the advantage of：Balance tune at the top of the utility model tower body
For whole trigger there are during gravitational difference between crane arm and counter-jib, balanced adjustment trigger can be in certain angular range
A left side is swung to the right, and then triggers the left balanced adjustment switch or right balanced adjustment switch of balanced adjustment trigger both sides, is led to
Cross left balanced adjustment switch or counterweight walking mechanism horizontal left on right balanced adjustment switch control counter-jib or level move to right,
So as to eliminate the weight difference of counter-jib and crane arm both ends, achieve the purpose that automatic recovery, avoid derrick crane unbalance
And fracture or the accident collapsed occurs.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of balanced adjustment trigger；
Fig. 3 is the structure diagram of counterweight walking mechanism；
Fig. 4 is the E enlarged drawings of Fig. 3.
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
Axis, 12- hangers, 13- counterweight cement plates, 14- motors, 15- walking dollies, 16- walking gears, 17- guide rails, 18- pull rods, 19-
Retarder, 20- racks.
Embodiment
In order to make the utility model aim, technical solution and advantage clearer, below in conjunction with the accompanying drawings and embodiment pair
The utility model is described in further detail.
The embodiment of the utility model：Derrick crane self-balancing control device is as shown in Figure 1, including tower body 1 and hinge
Crane arm 2 and counter-jib 3 of the chain link in 1 both sides of tower body, it is characterised in that：The crane arm 2 and counter-jib 3 are away from tower body 1
Outer end be connected respectively by the balanced adjustment trigger 6 at the top of lifting arm brace 4 and balance arm brace 5 and tower body 1, it is described
Balanced adjustment trigger 6 is rotatably connected on tower body 1 by axis pin 11, and a left side is installed respectively in the both sides of balanced adjustment trigger 6
Balanced adjustment switch 8 and right balanced adjustment switch 9, while it is provided with what can be moved along 3 horizontal direction of counter-jib on counter-jib 3
Counterweight walking mechanism 7, left balanced adjustment switch 8 and right balanced adjustment switch 9 are electrically connected with counterweight walking mechanism 7 respectively.Ginseng
See Fig. 2, the balanced adjustment trigger 6 is made using T-steel plate, the both ends of T-steel plate respectively with lifting arm brace 4
Connected with balance arm brace 5, the middle part of T-steel plate is rotatably connected on tower body 1 by axis pin 11, is connected in the lower end of T-steel plate
Trigger head 10 is connected to, 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 Fig. 4, the counterweight walking mechanism 7 include being horizontally arranged at the guide rail 17 of 3 bottom of counter-jib, are provided with above guide rail 17
The walking dolly 15 that can be moved along guide rail 17, is provided with rack 20 in the bottom surface of guide rail 17, walking dolly 15 by pull rod 18 with
The hanger 12 of the lower section of guide rail 17 is fixedly connected, and counterweight cement plate 13 is fixed with hanger 12, while consolidate at the top of hanger 12
Dingan County is equipped with motor 14 and retarder 19, and the motor 14 is adjusted with left balanced adjustment switch 8 and right balance respectively by conducting wire
Whole switch 9, the input shaft of retarder 19 are consolidated by the output axis connection of shaft coupling and motor 14 on the output shaft of retarder 19
Dingan County is equipped with walking gear 16, and walking gear 16 is engaged with the rack 20 of 17 bottom of guide rail.
The operation principle of the utility model：One end of crane arm 2 and counter-jib 3 is hingedly connected at tower body 1 respectively first
Both sides, then by the other end of crane arm 2 and counter-jib 3 respectively by lifting arm brace 4 and balance arm brace 5 be connected to tower body
On the balanced adjustment trigger 6 at 1 top, the balanced adjustment trigger 6 is rotatably connected on tower body 1 by axis pin 11,
Left balanced adjustment switch 8 and right balanced adjustment switch 9 are installed in the both sides of balanced adjustment trigger 6 respectively, while on counter-jib 3
The counterweight walking mechanism 7 that can be moved along 3 horizontal direction of counter-jib is installed；When crane arm 2 weight and balance arm 3 weight not
During equal and disequilibrium, balanced adjustment trigger 6 can because lifting arm brace 4 or balance the pulling force effect of arm brace 5 to the left or
Swing to the right, and then the left balanced adjustment for triggering 6 both sides of balanced adjustment trigger switchs 8 or right balanced adjustments switch 9, passes through a left side
The motor 14 that balanced adjustment is switched in 8 or right balanced adjustments switch, 9 control counterweight walking mechanism 7 is rotated forward or inverted, Jin Ertong
Crossing walking gear 16 drives counterweight walking mechanism 7 to be moved to right in 3 horizontal left of counter-jib or level, so that counter-jib 3 and lifting
Arm 2 can reach self balancing purpose.The full swing angle of the balanced adjustment trigger 6 is 5~12 °, avoids lifting
Gravity between arm 2 and counter-jib 3 is looked into excessive, and causes tower body 1 unbalance.
Claims (3)
1. 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), the balance tune
Whole trigger (6) is rotatably connected on tower body (1) by axis 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.
2. derrick crane self-balancing control device according to claim 1, it is characterised in that：The 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 axis 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).
3. derrick crane self-balancing control device according to claim 1, it is characterised in that：The 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 rod (18) with leading
Hanger (12) below rail (17) is fixedly connected, and counterweight cement plate (13) is fixed with hanger (12), while in hanger (12)
Top be installed with motor (14) and retarder (19), the motor (14) is opened with left balanced adjustment respectively by conducting wire
Close (8) and right balanced adjustment switch (9), the input shaft of retarder (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 retarder (19)
(20) engage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170859.2U CN207347045U (en) | 2017-09-13 | 2017-09-13 | A kind of derrick crane self-balancing control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170859.2U CN207347045U (en) | 2017-09-13 | 2017-09-13 | A kind of derrick crane self-balancing control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347045U true CN207347045U (en) | 2018-05-11 |
Family
ID=62409777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721170859.2U Expired - Fee Related CN207347045U (en) | 2017-09-13 | 2017-09-13 | A kind of derrick crane self-balancing control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207347045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686065A (en) * | 2017-09-13 | 2018-02-13 | 谭高丰 | A kind of derrick crane self-balancing control method and device |
-
2017
- 2017-09-13 CN CN201721170859.2U patent/CN207347045U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686065A (en) * | 2017-09-13 | 2018-02-13 | 谭高丰 | A kind of derrick crane self-balancing control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201890731U (en) | Crane | |
| CN202391339U (en) | Rotary drilling rig with automatically assembled and disassembled balance weight and adjustable barycenter | |
| CN101357741A (en) | Movable arm variation-amplitude column crane counterweight automatic synchronization travel mechanism | |
| CN104176604A (en) | Elevator door lock structure | |
| CN207328233U (en) | A kind of lift work trailer for power equipment installation | |
| CN201620358U (en) | Gantry crane for down-type bridge-erecting machine | |
| CN201268560Y (en) | Counterweight automatic synchronization mobile device for tower crane | |
| CN207347045U (en) | A kind of derrick crane self-balancing control device | |
| CN102303821B (en) | Luffing tower crane with balanced type suspension arm based on traction luffing of steel rope | |
| CN202296907U (en) | Suspension arm balanced movable arm tower crane capable of luffing based on steel rope traction | |
| CN111119058A (en) | Green's municipal bridge construction strutting arrangement | |
| CN201220417Y (en) | Pneumatic balance transfer manipulator | |
| CN201286668Y (en) | Special-shaped suspension platform | |
| CN205930835U (en) | Two electronic jar landing legs lift two -wheeled hand push freight train that stair can be climbed to helping hand formula | |
| CN107686065A (en) | A kind of derrick crane self-balancing control method and device | |
| CN203028544U (en) | Lifting mechanism of liftable sideboard | |
| CN108515976B (en) | Switching mechanism, pod and rail vehicle | |
| CN204324755U (en) | A kind of tower crane for building engineering | |
| CN206616501U (en) | Sucker lifting and swinging mechanism | |
| CN203156257U (en) | Welding gun balance positioning device and rear floor welding system formed by same | |
| CN206959085U (en) | A kind of smoke deflector elevating mechanism of range hood | |
| CN202829496U (en) | Parallel four-bar lifting mechanism | |
| CN206885376U (en) | A kind of helicopter tail rotor leaf lifting device | |
| CN205634708U (en) | Tower crane becomes counter weight mechanism | |
| CN208948789U (en) | Forklift fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20190913 |