CN202492286U - Differential motion open-close type four-rope grab bucket driving system - Google Patents
Differential motion open-close type four-rope grab bucket driving system Download PDFInfo
- Publication number
- CN202492286U CN202492286U CN2012201077558U CN201220107755U CN202492286U CN 202492286 U CN202492286 U CN 202492286U CN 2012201077558 U CN2012201077558 U CN 2012201077558U CN 201220107755 U CN201220107755 U CN 201220107755U CN 202492286 U CN202492286 U CN 202492286U
- Authority
- CN
- China
- Prior art keywords
- gear
- motor
- open
- differential
- close
- 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.)
- Withdrawn - After Issue
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000002893 slag Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a differential motion open-close type four-rope grab bucket driving system, and relates to the technical field of grab bucket type hoisting machinery. The differential motion open-close type four-rope grab bucket driving system comprises a lifting driving mechanism, and is characterized by further comprising an open-close driving mechanism, and the open-close driving mechanism comprises a first reduction box, a second motor, a third motor, an open-close coiling block and a differential housing. The open-close coiling block and a lifting coiling block are arranged in parallel, the open-close coiling block is fixedly connected with an output shaft of the first reduction box, the second motor and the third motor are connected with two input ends of the differential housing, and an output shaft of the differential housing is connected with an input shaft of the first reduction box. The differential motion open-close type four-rope grab bucket driving system has the advantages that by connecting the lifting driving mechanism with the open-close driving mechanism, control method is simplified, and potential safety hazards caused by improper operation of operation staff can be effectively avoided. In addition, a pulley group arranged on an upper beam and a lower beam is cancelled, the structure of a grab bucket system is simplified, device maintenance cost is lowered, and service life of the device is prolonged.
Description
Technical field
The utility model relates to clamshell crane tool technical field.
Background technology
Four rope grab is as the suspender of carrying bulk cargo, AT STATION, harbour, metallurgical works, water conservancy, power station etc. all are widely used.Four rope grab drive system commonly used at present comprises lifting mechanism and switching mechanism, and lifting mechanism and switching mechanism have operating personal to control separately respectively, and lifting mechanism and switching mechanism constitute by drive motor, drop-gear box and reel; In specific operation process; Operation is no problem separately to open and close grab bucket, follows lifting wire rope simultaneously and goes up and down but in lifting process, open and close steel rope, and do not connect between two actions; So there is following problem: 1. because unfixing getting in touch between lifting mechanism and the close mechanism; The switching of grab bucket work and coordination between ascending and descending mainly lean on the skill level of operating personal, and driver's labour intensity is big during grab bucket work, easy fatigue; Be prone to produce maloperation, cause safety misadventure.2. after heavy the grabbing of grabbing bucket, the moment that hoists, the driver has carelessness can cause closed electrical motor stressed separately slightly, and closed electrical motor transships easily, even burns, and causes any property loss.3. grab bucket rising and falling-threshold position are wayward, and grab bucket is prone to and the stockpile strong collision during decline, has potential safety hazard.4. because lifting wire rope all connects with entablatrance and cross sill through assembly pulley with the switching steel rope, when reeve, accident on duty very easily appears in operating personal and pincers worker difficult coordination.5. fast owing to opening the bucket descending speed, when grab bucket stopped on the stockpile, closed rope was jumped out from assembly pulley easily, caused too early the scrapping of closure rope, influenced the service life of grab bucket system, delayed production.
Drag for the four rope grab of slag operation at the slag stock tank for need; Because it opens and closes steel rope, assembly pulley often is immersed in the slurries; The lubricating status of steel rope, assembly pulley bearing can not be kept; Generation wearing and tearing, corrosion are inevitable, and cause maintenance load, consume increase, increase the overhaul of the equipments cost virtually.
The utility model content
The technical matters that the utility model will solve provides a kind of differential open and close type four rope grab drive system; Through lifting mechanism and switching mechanism are connected, carry out coordinated manipulation, effectively prevent maloperation; Eliminate safe hidden trouble; Prolong the service life of grab bucket system, reduce the overhaul of the equipments cost, enhance productivity.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: a kind of differential open and close type four rope grab drive system, comprise lift drive mechanism, and said lift drive mechanism comprises lifting reel, first motor and second drop-gear box; Its key improvements is: also comprise driving mechanism for opening or closing, said driving mechanism for opening or closing comprises first drop-gear box, second motor, the 3rd motor, opens and closes reel and differential box; Said switching reel is parallel with lifting reel to be set up in parallel, and opens and closes reel and captives joint with first reduction gearbox output shaft; Said second motor is connected with two input ends of the 3rd motor respectively at differential box; Said differential box output shaft is connected with the said first drop-gear box input shaft.
Said differential box comprises casing, axle, first gear, second gear, first conical gear, second conical gear, the bevel planet gear that planet wheel spindle is identical with the structure that is fixed at the planet wheel spindle two ends; Said axle runs through the casing setting and its mouth is captiveed joint with the said first drop-gear box input shaft; Said first gear by means of bearing installation on cabinet wall, first gear and first conical gear be structure as a whole and endoporus all with the axle bearing fit; Said second motor output shaft runs through the casing setting and laterally arranges with said axle and is fixed with second gear, second gear and said first gear mesh on said second motor output shaft; Said planet wheel spindle is fixed at the axle middle part, and said second conical gear is oppositely arranged on cabinet wall and with said first conical gear by means of bearing installation; Said two bevel planet gears that are fixed at the planet wheel spindle two ends all with first finishing bevel gear cuter and middle tap gear mesh.
Said axle end is connected with the first drop-gear box input shaft by means of coupler.
Said planet wheel spindle is captiveed joint with said axle by means of flat key.
Said second gear is captiveed joint with said second motor output shaft by means of flat key.
The beneficial effect of the utility model is following: through lift drive mechanism and driving mechanism for opening or closing are connected; Simplify control method; And the drive motor of the drive motor of lift drive mechanism and driving mechanism for opening or closing adopts same size; Realize same rotational speed; And then being implemented in the same rotation speed operation that realizes lifting reel and switching reel in the lifting process, on-off action has another drive motor of driving mechanism for opening or closing to accomplish through differential box, effectively avoids the potential safety hazard of bringing owing to the operating personal maloperation; Lift drive mechanism in the utility model and driving mechanism for opening or closing are realized connecting; The switching of grab bucket is by the special motor-driven of driving mechanism for opening or closing; Open and close steel rope can direct connection on cross sill, the assembly pulley of installing on cancellation entablatrance and the cross sill, the structure of simplification grab bucket system; Reduce the overhaul of the equipments cost; Can prevent effectively also that because of operating personal in the reeve process cooperates the unfavorable potential safety hazard of bringing with pincers worker slag liquid prolongs service life of equipment to the corrosion of steel rope and assembly pulley in the slag operation process but also can prevent to drag for.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the structural representation of the utility model;
In the accompanying drawings: 1, first motor; 2, lifting reel; 3, open and close reel; 4, first drop-gear box; 5, first gear; 6, second gear; 7, first conical gear; 8, planetary conical cone gear; 9, second conical gear; 10, second motor; 11, the 3rd motor; 12, second drop-gear box; 13, axle; 14, planet wheel spindle.
The specific embodiment
In sum, a kind of differential open and close type four rope grab drive system of the utility model comprises lift drive mechanism, and said lift drive mechanism comprises lifting reel 2, first motor 1 and second drop-gear box 12; Its key improvements is: also comprise driving mechanism for opening or closing, said driving mechanism for opening or closing comprises first drop-gear box 4, second motor 10, the 3rd motor 11, opens and closes reel 3 and differential box; Said switching reel 3 and lifting reel 2 parallel being set up in parallel open and close reel 3 and captive joint with first drop-gear box, 4 output shafts; Said second motor 10 is connected with two input ends of differential box respectively with the 3rd motor 11; Said differential box output shaft is connected with said first drop-gear box, 4 input shafts.
Said differential box comprises casing, axle 13, first gear 5, second gear 6, first conical gear 7, second conical gear 9, the bevel planet gear 8 that planet wheel spindle 14 is identical with the structure that is fixed at planet wheel spindle 14 two ends; Said axle 13 runs through the casing setting and its mouth is captiveed joint with said first drop-gear box, 4 input shafts; Said first gear 5 by means of bearing installation on cabinet wall, first gear 5 and first conical gear 7 be structure as a whole and endoporus all with axle 13 bearing fits; Said second motor, 10 output shafts run through the casing setting and laterally arrange with said axle 13 and are fixed with second gear, 6, the second gears 6 and 5 engagements of said first gear on said second motor, 10 output shafts; Said planet wheel spindle 14 is fixed at axle 13 middle parts, and said second conical gear 9 is oppositely arranged on cabinet wall and with said first conical gear 7 by means of bearing installation; Said two bevel planet gears 8 that are fixed at planet wheel spindle 14 two ends all with first finishing bevel gear cuter and middle tap gear mesh.
Said axle 13 ends are connected with first drop-gear box, 4 input shafts by means of coupler.
Said planet wheel spindle 14 is captiveed joint with said axle 13 by means of flat key.
Said second gear 6 is captiveed joint with said second motor, 10 output shafts by means of flat key.
Open and close reel 3 and pass through the differential box transmission, when two motors are worked respectively, open and close reel 3 and can realize two kinds of different rotating speed by second motor 10 and the 3rd motor 11.When going up and down grab bucket, first motor 1 and the 3rd motor 11 are worked simultaneously, and the 3rd motor 11 drives planetary wheel 8 rotations through second conical gear 9 that is sleeved on the axle 13; And two planetary wheels 8 all mesh with second conical gear 9 and first conical gear 7; And first conical gear 7 and first gear 5 are structure as a whole, and first gear 5 and 6 engagements of second gear are when second motor stops; Second gear 6 is fixed; So first conical gear 7, first gear 5 are fixed, bevel planet gear 8 drives planet wheel spindles 14 and rotates with axle 13, again through 3 rotations of first drop-gear box, 4 driven opening reels; First motor 1 and the 3rd motor 11 employing same sizes are realized same rotational speed, realize control simultaneously, and the differential box speed ratio is 1, and lifting reel 2 can be realized rotating with speed with switching reel 3, realizes the up-down of grabbing bucket; When opening and closing grab bucket; First motor 1 and the 3 11 is not worked, and second motor 10 drives with first conical gear 7 through second gear 6 and is one and is sleeved on first gear, 5 rotations on the axle 13, because this moment, second conical gear 9 was fixed; So bevel planet gear 8 drives planet wheel spindle 14 and rotates with axle 13; Through second drop-gear box, 4 driven opening reels 3, realize the switching of grab bucket again, the speed that opens and closes grab bucket can be adjusted through the speed ratio that changes first gear 5 and second gear 6.
Through lift drive mechanism and driving mechanism for opening or closing are connected; Simplify control method; And the drive motor of the drive motor of lift drive mechanism and driving mechanism for opening or closing employing same size, realize same rotational speed, and then be implemented in the same rotation speed operation that realizes lifting reel and switching reel in the lifting process; On-off action has another drive motor of driving mechanism for opening or closing to accomplish through differential box, effectively avoids the potential safety hazard of bringing owing to the operating personal maloperation; Lift drive mechanism in the utility model and driving mechanism for opening or closing are realized connecting; The switching of grab bucket is by the special motor-driven of driving mechanism for opening or closing; Open and close steel rope can direct connection on cross sill, the assembly pulley of installing on cancellation entablatrance and the cross sill, the structure of simplification grab bucket system; Reduce the overhaul of the equipments cost; Can prevent effectively also that because of operating personal in the reeve process cooperates the unfavorable potential safety hazard of bringing with pincers worker slag liquid prolongs service life of equipment to the corrosion of steel rope and assembly pulley in the slag operation process but also can prevent to drag for.
Claims (5)
1. a differential open and close type four rope grab drive system comprises lift drive mechanism, and said lift drive mechanism comprises lifting reel (2), first motor (1) and second drop-gear box (12); It is characterized in that: also comprise driving mechanism for opening or closing, said driving mechanism for opening or closing comprises first drop-gear box (4), second motor (10), the 3rd motor (11), opens and closes reel (3) and differential box; Said switching reel (3) and parallel being set up in parallel of lifting reel (2) open and close reel (3) and captive joint with first drop-gear box (4) output shaft; Said second motor (10) is connected with two input ends of the 3rd motor (11) respectively at differential box; Said differential box output shaft is connected with said first drop-gear box (4) input shaft.
2. differential open and close type four rope grab drive system according to claim 1 is characterized in that: said differential box comprises casing, axle (13), first gear (5), second gear (6), first conical gear (7), second conical gear (9), planet wheel spindle (14) and is fixed at the identical bevel planet gear (8) of structure at planet wheel spindle (14) two ends; Said axle (13) runs through the casing setting and its mouth is captiveed joint with said first drop-gear box (4) input shaft; Said first gear (5) by means of bearing installation on cabinet wall, first gear (5) and first conical gear (7) be structure as a whole and endoporus all with axle (13) bearing fit; Said second motor (10) output shaft runs through the casing setting and laterally arranges with said axle (13) and is fixed with second gear (6) on said second motor (10) output shaft, second gear (6) and said first gear (5) engagement; Said planet wheel spindle (14) is fixed at axle (13) middle part, and said second conical gear (9) is oppositely arranged on cabinet wall and with said first conical gear (7) by means of bearing installation; Said two bevel planet gears (8) that are fixed at planet wheel spindle (14) two ends all with first finishing bevel gear cuter and middle tap gear mesh.
3. differential open and close type four rope grab drive system according to claim 1 and 2 is characterized in that: said axle (13) is terminal to be connected with first drop-gear box (4) input shaft by means of coupler.
4. differential open and close type four rope grab drive system according to claim 3 is characterized in that: said planet wheel spindle (14) is captiveed joint with said axle (13) by means of flat key.
5. differential open and close type four rope grab drive system according to claim 4 is characterized in that: said second gear (6) is captiveed joint with said second motor (10) output shaft by means of flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201077558U CN202492286U (en) | 2012-03-21 | 2012-03-21 | Differential motion open-close type four-rope grab bucket driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201077558U CN202492286U (en) | 2012-03-21 | 2012-03-21 | Differential motion open-close type four-rope grab bucket driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202492286U true CN202492286U (en) | 2012-10-17 |
Family
ID=46998522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201077558U Withdrawn - After Issue CN202492286U (en) | 2012-03-21 | 2012-03-21 | Differential motion open-close type four-rope grab bucket driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202492286U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602803A (en) * | 2012-03-21 | 2012-07-25 | 新兴铸管股份有限公司 | Differential on-off four rope grab driving system |
| CN107055316A (en) * | 2017-06-16 | 2017-08-18 | 江苏格雷特起重机械有限公司 | A kind of four rope grab crane for big elevating height |
| CN116537824A (en) * | 2023-03-22 | 2023-08-04 | 山东大学 | A grouting device capable of dynamically adjusting the ratio of double liquid grout and its operating method |
-
2012
- 2012-03-21 CN CN2012201077558U patent/CN202492286U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602803A (en) * | 2012-03-21 | 2012-07-25 | 新兴铸管股份有限公司 | Differential on-off four rope grab driving system |
| CN102602803B (en) * | 2012-03-21 | 2013-09-25 | 新兴铸管股份有限公司 | Differential on-off four rope grab driving system |
| CN107055316A (en) * | 2017-06-16 | 2017-08-18 | 江苏格雷特起重机械有限公司 | A kind of four rope grab crane for big elevating height |
| CN107055316B (en) * | 2017-06-16 | 2019-03-12 | 江苏格雷特起重机械有限公司 | A kind of four rope grab crane for big elevating height |
| CN116537824A (en) * | 2023-03-22 | 2023-08-04 | 山东大学 | A grouting device capable of dynamically adjusting the ratio of double liquid grout and its operating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204162265U (en) | Jaw arrangement is hung for steel pipe lifting | |
| CN107311038A (en) | Possesses the lifting dolly of wire rope fiction drive cleaning function | |
| CN202492286U (en) | Differential motion open-close type four-rope grab bucket driving system | |
| CN202181181U (en) | Winding engine | |
| CN102602803B (en) | Differential on-off four rope grab driving system | |
| CN206051386U (en) | A kind of hydraulic electromagnetic clutch novel winch | |
| CN201726071U (en) | Pulling-type 2*40KN dragger | |
| CN202763366U (en) | Welding overturning machine | |
| CN201932854U (en) | Planetary-transmission lifting mechanism used by crane | |
| CN202744186U (en) | Rotating lifting hook | |
| CN103072910A (en) | Dual-drum elevator | |
| CN103086292B (en) | Two-speed single-output reduction box, winding engine using the same and crane using the same | |
| CN214301628U (en) | Large-scale straight-pull closed type winch hoist | |
| CN201297373Y (en) | Mechanical reduction gear with controllable starting | |
| CN202082462U (en) | Electric rotating tap for hydraulic decoking machine related to delayed coking device | |
| CN2517777Y (en) | Coupled-type double-hanging point hoisting start-stop machine | |
| CN204823970U (en) | Lifting device | |
| CN203699765U (en) | Concealed winch reduction gear | |
| CN211778755U (en) | Speed reducer for cement lime kiln lifter | |
| CN205312911U (en) | Two roof beam hoists of hydraulic grab rubbish | |
| CN202897892U (en) | Chain hoist | |
| CN207061718U (en) | A kind of miniature hoist engine | |
| CN202358790U (en) | Rescue device of machine-room-less lift | |
| CN214879788U (en) | Automobile crane rotating system | |
| CN219860209U (en) | Casting trolley with planetary reducer primary-secondary structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |