CN202808209U - Portal crane - Google Patents
Portal crane Download PDFInfo
- Publication number
- CN202808209U CN202808209U CN 201220475276 CN201220475276U CN202808209U CN 202808209 U CN202808209 U CN 202808209U CN 201220475276 CN201220475276 CN 201220475276 CN 201220475276 U CN201220475276 U CN 201220475276U CN 202808209 U CN202808209 U CN 202808209U
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- CN
- China
- Prior art keywords
- crane
- transfer crane
- bicycle
- pair
- reel
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- 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.)
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Abstract
The utility model provides a portal crane comprising a frame and a driving mechanism used for driving the frame to move on a harbor basin; the frame comprises four supporting legs and two tracks arranged on the tops of the supporting legs, and the front end and the rear end of each track are respectively connected with one of the supporting legs; the frame also comprises a first beam fixed at the front ends of the two tracks, and the first beam is provided with an overhead crane with single trolley; and the portal crane further comprises a second beam arranged on the tracks in a sliding way, and the second beam is provided with an overhead crane with double trolleys. The portal crane provided by the utility model is high in supporting capacity, capable of meeting the requirement of large-scale sectional hoisting, high in structural strength, long in service life and good in safety performance.
Description
Technical field
The utility model relates to a kind of transfer crane.
Background technology
The load-carrying capacity of boat segmental hoisting is lower in the prior art, is difficult to the needs of applicable large-scale segmental hoisting.And the frame strength of hoisting crane is inadequate, and service life is shorter.
The utility model content
The technical problems to be solved in the utility model is less in order to overcome prior art lifting load-bearing, is difficult to adapt to the defective of large-scale segmental hoisting needs, and a kind of transfer crane is provided.
The utility model is to solve above-mentioned technical matters by following technical proposals:
A kind of transfer crane, it comprises a framework and is used for driving this framework at the mobile driver train of basin, its characteristics are, two tracks that this framework comprises four supporting legs and is arranged on described supporting leg top, the front-end and back-end of every described track all connect a described supporting leg, this framework also comprises a first crossbeam that is fixed on the front end of two described tracks, is provided with a bicycle crane in bridge type at described first crossbeam; This transfer crane comprises that also one is slidedly arranged on the second cross beam on the described track, and this second cross beam is provided with a pair of vehicle-bridge type hoisting crane.
Wherein, be provided with some reinforced ribs between the adjacent described supporting leg; The 3rd crossbeam is also fixed in the rear end of two described tracks.
Wherein, this bicycle crane in bridge type comprises that one is slidedly arranged on the bicycle vehicle frame on this first crossbeam, is used for driving the first operating unit and first lifting mechanism of this bicycle vehicle frame action.
Wherein, this first operating unit comprises the distance detection device of the position signal of being located on the described first crossbeam, being used for this bicycle vehicle frame of feedback, and an anchoring device of interlocking with this bicycle vehicle frame operation.
Wherein, this first lifting mechanism comprises two groups of first motors that are used for driving this bicycle frame movement, the first drop-gear box that is connected with described the first motor, the first exposed gear that is connected with described the first drop-gear box, and be fixed on the first reel on this bicycle vehicle frame by the diaxon bearing; This first lifting mechanism also comprises the first fixed pulley group that is connected with this first reel by one first steel rope, and passes through the first suspender that this first steel rope is connected with this first fixed pulley group, and wherein the multiplying power of this first steel rope is 12 times.
Wherein, the output shaft of described the first motor is provided with overspeed switch and photoelectric encoder; The axle of described the first reel is provided with height limiter and another photoelectric encoder.
Wherein, this pair vehicle-bridge type hoisting crane comprises a pair of vehicle carriage and the second operating unit that is connected with this pair vehicle carriage and the second lifting mechanism.
Wherein, this second operating unit comprises the distance detection device of the position signal of being located on the described track, being used for this pair of feedback vehicle carriage, and an anchoring device of interlocking with the operation of this pair vehicle carriage.
Wherein, this second lifting mechanism comprises that one is used for driving the second motor of this pair vehicle carriage motion, the second drop-gear box that is connected with described the second motor, the second exposed gear that is connected with described the second drop-gear box, and be fixed on the second reel on this pair vehicle carriage by the diaxon bearing, this second lifting mechanism also comprises the second fixed pulley group that is connected with this second reel by the second steel rope, and pass through the second suspender that this second steel rope is connected with this second fixed pulley group, wherein the multiplying power of this second steel rope is 8 times.
Wherein, the output shaft of described the second motor is provided with overspeed switch and photoelectric encoder; The axle of described the second reel is provided with height limiter and another photoelectric encoder.
In the utility model, but above-mentioned optimum condition combination in any on the basis that meets this area general knowledge namely gets each preferred embodiment of the utility model.
Positive progressive effect of the present utility model is: transfer crane supporting power of the present utility model is large, can adapt to the needs of large-scale segmental hoisting, and structural strength is high, long service life, and safety performance is good.
Description of drawings
Fig. 1 is the front elevation of the transfer crane in the utility model one preferred embodiment.
Fig. 2 is the birds-eye view of transfer crane among Fig. 1, on the paper, and the front end of the top respective carter of transfer crane, the rear end of the below respective carter of transfer crane.
The specific embodiment
The below lifts a preferred embodiment, and comes by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
As illustrated in fig. 1 and 2, transfer crane of the present utility model comprises a framework and is used for driving this framework at the mobile driver train of basin.
Two tracks 2 that this framework comprises four supporting legs 1 and is arranged on described supporting leg 1 top, the front-end and back-end of every described track 2 all connect a supporting leg 1, this framework also comprises a first crossbeam 3 that is fixed on the front end of two described tracks 2, is provided with a bicycle crane in bridge type at described first crossbeam 3.This transfer crane comprises that also one is slidedly arranged on the second cross beam 5 on the described track 2, and this second cross beam 5 is provided with a pair of vehicle-bridge type hoisting crane.
This bicycle crane in bridge type comprises that one is slidedly arranged on the bicycle vehicle frame 4 on this first crossbeam 3, is used for driving the first operating unit and first lifting mechanism of these bicycle vehicle frame 4 actions.
This first operating unit comprises the distance detection device (not shown) of the position signal of being located on the described first crossbeam 3, being used for this bicycle vehicle frame 4 of feedback, and an anchoring device (not shown) of interlocking with these bicycle vehicle frame 4 operations.Described distance detection device and anchoring device are commercial device, do not repeat them here.
This first lifting mechanism comprises two groups of first motors that are used for driving this bicycle vehicle frame 4 lifting segmentations action, the first drop-gear box that is connected with described the first motor, the first exposed gear that is connected with described the first drop-gear box, and be fixed on the first reel on this bicycle vehicle frame 4 by the diaxon bearing; This first lifting mechanism also comprises the first fixed pulley group that is connected with this first reel by one first steel rope 41, and passes through the first suspender 42 that this first steel rope 41 is connected with this first fixed pulley group, and wherein the multiplying power of this first steel rope 41 is 12 times.In addition, the output shaft of the first motor is provided with overspeed switch and a photoelectric encoder; The axle of described the first reel is provided with height limiter and another photoelectric encoder.
Two vehicle-bridge type hoisting cranes comprise two vehicle carriages 6 and the second operating unit that is connected with this pair vehicle carriage 6 and the second lifting mechanism.
This second operating unit comprises the distance detection device of the position signal of being located on the described track 2, being used for this pair of feedback vehicle carriage 6, and an anchoring device of interlocking with 6 operations of this pair vehicle carriage.
This second lifting mechanism comprises that one is used for driving the second motor of this pair vehicle carriage 6 actions, the second drop-gear box that is connected with described the second motor, the second exposed gear that is connected with described the second drop-gear box, and two be fixed on the second reel on this pair vehicle carriage 6 by the diaxon bearing, this second lifting mechanism also comprises the second fixed pulley group that is connected with each second reel by the second steel rope 62, and pass through the second suspender 61 that this second steel rope 62 is connected with this second fixed pulley group, wherein the multiplying power of this second steel rope 62 is 8 times.The output shaft of described the second motor is provided with overspeed switch and a photoelectric encoder; The axle of described the second reel is provided with height limiter and another photoelectric encoder.
This bicycle crane in bridge type can carry 600 tons of gravity in the present embodiment, and two vehicle-bridge type hoisting cranes can carry 600 tons of gravity equally.Transfer crane is established main and auxiliary two driver's cabs altogether, and main driver's cab is installed in supporting leg (by 600 tons of bridge cranes), and auxiliary driver's cab is installed under the second cross beam, can carry out mutual switching.
In order to improve the integral body of framework, between the adjacent supporting leg 1 at the basin homonymy, be provided with the reinforced rib (not shown) of one " people " type.In addition, also also fix the 3rd crossbeam 7 in the rear end of two described tracks 2.
By a fixing bicycle crane in bridge type and one movably two vehicle-bridge type hoisting cranes realize lifting operation in the displacement of track.At first mobile bicycle crane in bridge type and two vehicle-bridge type hoisting cranes are realized in placely to the handling of segmentation, by the lift adjustment of the first reel and the second reel, make whole segmentation leave unit head (flat truck).The deadweight of segmentation is by three dollies, and namely bicycle vehicle frame 4 and two vehicle carriage 6 bear.Then the first lifting mechanism of frame roof and the second lifting mechanism quit work, and by actuating device framework are moved to the barge top, and simultaneously segmentation is also moved to the barge top of basin, then stops driver train.Then moved in horizontal surface by two vehicle-bridge type hoisting cranes, thereby accurately locate.By the first and second lifting mechanism work, segmentation is discharged on the barge at last, opens the steel rope shackle, suspender hoists, and transfer crane sails out of the barge top, thereby finishes ship-discharging operation.
Claims (10)
1. transfer crane, it comprises a framework and is used for driving this framework at the mobile driver train of basin, it is characterized in that, two tracks that this framework comprises four supporting legs and is arranged on described supporting leg top, the front-end and back-end of every described track all connect a described supporting leg, this framework also comprises a first crossbeam that is fixed on the front end of two described tracks, is provided with a bicycle crane in bridge type at described first crossbeam; This transfer crane comprises that also one is slidedly arranged on the second cross beam on the described track, and this second cross beam is provided with a pair of vehicle-bridge type hoisting crane.
2. transfer crane as claimed in claim 1 is characterized in that, is provided with some reinforced ribs between the adjacent described supporting leg; The 3rd crossbeam is also fixed in the rear end of two described tracks.
3. transfer crane as claimed in claim 1 is characterized in that, this bicycle crane in bridge type comprises that one is slidedly arranged on the bicycle vehicle frame on this first crossbeam, is used for driving the first operating unit and first lifting mechanism of this bicycle vehicle frame action.
4. transfer crane as claimed in claim 3, it is characterized in that, this first operating unit comprises the distance detection device of the position signal of being located on the described first crossbeam, being used for this bicycle vehicle frame of feedback, and an anchoring device of interlocking with this bicycle vehicle frame operation.
5. transfer crane as claimed in claim 4, it is characterized in that, this first lifting mechanism comprises two groups of first motors that are used for driving this bicycle vehicle frame action, the first drop-gear box that is connected with described the first motor, the first exposed gear that is connected with described the first drop-gear box, and be fixed on the first reel on this bicycle vehicle frame by the diaxon bearing; This first lifting mechanism also comprises the first fixed pulley group that is connected with this first reel by one first steel rope, and passes through the first suspender that this first steel rope is connected with this first fixed pulley group, and wherein the multiplying power of this first steel rope is 12 times.
6. transfer crane as claimed in claim 5 is characterized in that, the output shaft of described the first motor is provided with overspeed switch and photoelectric encoder; The axle of described the first reel is provided with height limiter and another photoelectric encoder.
7. transfer crane as claimed in claim 1 is characterized in that, this pair vehicle-bridge type hoisting crane comprises a pair of vehicle carriage and the second operating unit that is connected with this pair vehicle carriage and the second lifting mechanism.
8. transfer crane as claimed in claim 7 is characterized in that, this second operating unit comprises the distance detection device of the position signal of being located on the described track, being used for this pair of feedback vehicle carriage, and an anchoring device of interlocking with the operation of this pair vehicle carriage.
9. transfer crane as claimed in claim 8, it is characterized in that, this second lifting mechanism comprises that one is used for driving the second motor of this pair vehicle carriage motion, the second drop-gear box that is connected with described the second motor, the second exposed gear that is connected with described the second drop-gear box, and be fixed on the second reel on this pair vehicle carriage by the diaxon bearing, this second lifting mechanism also comprises the second fixed pulley group that is connected with this second reel by the second steel rope, and pass through the second suspender that this second steel rope is connected with this second fixed pulley group, wherein the multiplying power of this second steel rope is 8 times.
10. transfer crane as claimed in claim 9 is characterized in that, the output shaft of described the second motor is provided with overspeed switch and photoelectric encoder; The axle of described the second reel is provided with height limiter and another photoelectric encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475276 CN202808209U (en) | 2012-09-14 | 2012-09-14 | Portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475276 CN202808209U (en) | 2012-09-14 | 2012-09-14 | Portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808209U true CN202808209U (en) | 2013-03-20 |
Family
ID=47867130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220475276 Expired - Fee Related CN202808209U (en) | 2012-09-14 | 2012-09-14 | Portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202808209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058345A (en) * | 2014-04-15 | 2014-09-24 | 郑州科润机电工程有限公司 | Sliding wheel mechanism for lifting machine |
| CN104140047A (en) * | 2014-07-30 | 2014-11-12 | 辽宁华禹重工有限公司 | Permanent magnetic crane |
| CN107161870A (en) * | 2017-06-16 | 2017-09-15 | 江苏格雷特起重机械有限公司 | The special gantry crane of the double cantilevers of extra large work pile tube |
-
2012
- 2012-09-14 CN CN 201220475276 patent/CN202808209U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058345A (en) * | 2014-04-15 | 2014-09-24 | 郑州科润机电工程有限公司 | Sliding wheel mechanism for lifting machine |
| CN104058345B (en) * | 2014-04-15 | 2016-06-08 | 郑州科润机电工程有限公司 | A kind of pulley mechanism of hoisting machinery |
| CN104140047A (en) * | 2014-07-30 | 2014-11-12 | 辽宁华禹重工有限公司 | Permanent magnetic crane |
| CN104140047B (en) * | 2014-07-30 | 2016-03-16 | 辽宁华禹重工有限公司 | Permanent magnetic crane |
| CN107161870A (en) * | 2017-06-16 | 2017-09-15 | 江苏格雷特起重机械有限公司 | The special gantry crane of the double cantilevers of extra large work pile tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150914 |
|
| EXPY | Termination of patent right or utility model |