CN203946807U - A kind of arch gauntry crane - Google Patents
A kind of arch gauntry crane Download PDFInfo
- Publication number
- CN203946807U CN203946807U CN201420387255.3U CN201420387255U CN203946807U CN 203946807 U CN203946807 U CN 203946807U CN 201420387255 U CN201420387255 U CN 201420387255U CN 203946807 U CN203946807 U CN 203946807U
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- Prior art keywords
- girder
- arch
- arched girder
- arched
- running trolley
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Abstract
The utility model relates to a kind of arch gauntry crane, arched girder is connected with supporting leg by the entablatrance at two ends, on two arched girders, running trolley is installed, be across on arched girder, on running trolley, middle part lifts an electric block by transverse axis, on the end carriage of the both sides of running trolley, be all fixed with driving chain wheel, this two covers driving chain wheel all passes through motor, retarder is as actuating device, be symmetrically connected with transmission shaft to both sides level and mirror image respectively, the end of each transmission shaft is all fixed with a sprocket wheel, these four sprocket wheels all engage the chain that is packed in arched girder inboard.This hoisting crane adopts the two girder gantry structures of arch, the pattern of trolley travelling chain sprocket drive, formed Stability Analysis of Structures, operated steadily, the applicable arch roof structure of lifting altitude, overcome the physical restriction of mill construction, effectively reduce construction cost, be a kind of special hoisting crane, the factory building, located lateral that is applicable to special construction is accurately and to the lifting altitude occasion that has certain requirements.
Description
Technical field
The utility model belongs to hoisting crane field, relates to gauntry crane, the arch gauntry crane that especially a kind of girder is arched beam.
Background technology
Conventionally, the girder of transfer crane is horizontal beam, moves electric block on girder, and girder is walked in orbit; If the both sides of girder are to walk on the track on bracket top, this hoisting crane is single-beam or double girder crane; If the two ends of girder are to be fixed on supporting leg, and the cross sill that supporting leg connects is to walk on track on the ground, and this hoisting crane is gantry crane.Gantry crane independence is stronger, is different from the single-beam or the double girder crane that are fixed in factory building, can in factory building, carry out hoisting and hanging operation in part, each outside position, uses very extensive.
Existing gauntry crane, the girder of its level has been fixed lifting altitude, and girder height determines that lifting altitude is definite, and lifting altitude is subject to the physical restriction of factory building height.But in the factory building of some arch special constructions, need constant span but only under the local situation that needs larger lifting altitude, change mill construction can greatly increase construction cost; Meanwhile, owing to having raised lifting altitude, easily cause lifting shakiness, strengthened the weight amplitude of oscillation, bring many safety hazard to hoisting operation; And hanging while carrying valuable, hazardous materials, need laterally operation accurate positioning, stable, as adopted dolly driving type in the past, can not effectively solve resistance or force of inertia that trolley travelling produces in the time of arched girder upward slope or descending operation, while making its operation, speed is unstable.
By retrieval, find patent document as relevant in next chapter, but not identical in technical pattern.
A kind of bridge type crane crane span structure (CN87211624) of arch, this crane span structure is specially adapted to bridge type crane large-scale, large span.This crane span structure has adopted arched beam and has paid beam and coordinated with support main beam, and be provided with length adjustment mechanism on its connecting rod each other, solved in prior art and only adopted horizontal bearing girder, can not bear very large bending moment, from great, load-carrying capacity is little, encircles again inconvenient contradiction.Support main beam interlude and two of this crane span structure are cut apart, and this interlude has function, the operating range of greatly having expanded hoisting crane and the applicable situation of flexible fine setting up and down.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, a kind of design science is provided, is skillfully constructed, carries stable, registration, the transformable arch gauntry crane of lifting altitude.
The technical scheme that the utility model is realized object is:
A kind of arch gauntry crane, its lifting crane span structure is the two girder formula gantry structures of an arch, comprises cross sill, supporting leg, entablatrance, girder, electric block and running trolley, it is characterized in that:
Cross sill is two horizontal beams of walking on ground rail, cargo motor and reductor thereof are installed on cross sill, be fixed with two cross sill bilateral symmetry the supporting leg being tilted to, upper end at supporting leg is fixed with entablatrance, described girder is arched girder, and this arched girder is connected with supporting leg by the entablatrance at two ends, on two arched girders, running trolley is installed, this running trolley is across on arched girder, and on running trolley, middle part lifts an electric block by transverse axis; On arched girder, be welded with trolley track, running trolley is supported on girder by four car wheels of four jiaos of going to the bottom, and comes and goes operation along girder;
On the end carriage of the both sides of running trolley, be all symmetrically installed with two cover driving chain wheels, this two cover driving chain wheel all by motor, retarder as actuating device, be symmetrically connected with transmission shaft to both sides level and mirror image respectively, the end of each transmission shaft is all fixed with a sprocket wheel, and these four driving chain wheels all engage the chain that is packed in arched girder inboard.
And below four car wheels, corresponding each equal symmetry in outside, arched girder top flange is manufactured with anticreep anchor, this anticreep anchor moves along arched girder with dolly.
And, below corresponding each anticreep anchor, a track adjusting wheel being installed, this track adjusting wheel is pressed in coxostermum outside arched girder, and moves along the web of arched girder.
And the radian of described arched girder is 5-20 degree.
And described running trolley entrance cable is installed in drag chain, drag chain is along the drag chain support operation in arched girder outside.
Advantage of the present utility model and good effect are:
1, this hoisting crane adopts the two girder gantry structures of arch, base fixed, local lifting altitude is higher, form Stability Analysis of Structures, the applicable arch roof structure of lifting altitude, overcome the physical restriction of mill construction, effectively reduced construction cost, it is a kind of special hoisting crane, be applicable to the factory building of special construction and to the lifting altitude occasion that has certain requirements, the frontier of having opened up hoisting crane, is a kind of novel hoisting crane.
2, this hoisting crane adopts the mode that is fixedly mounted with chain, vehicle motor and synchronously drives four sprocket wheels at arched girder, and engagement is steadily, reliable, accurate positioning, and design science, is skillfully constructed, and the lifting amplitude of oscillation is little, and safety is good.
3, the running trolley of this hoisting crane has side guide wheel and anticreep anchor in the equal mirror image symmetric design in arched girder outside, on the top flange of arched girder, be fixed with orbit and on this track, lead and move the mode that has car wheel, can effectively improve the running quality of arch hoisting crane, lifting is very steady, very reliable for the weight lifting that hoisting capacity is higher.
4, this hoisting crane is provided with a transverse axis at the upper middle part of running trolley, and electric block is lifted on transverse axis, in the time that running trolley moves to girder different angles, electric block all can ensure perpendicular to the ground, and actv. has ensured safe and reliable in hoisting process.
5, dolly entrance cable is installed in drag chain, and drag chain, along the drag chain support operation in girder outside, efficiently solves cable and piles up problem.
Brief description of the drawings
Fig. 1 is structural front view of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to cross section cutaway view Amplified image;
Fig. 4 is the B portion structure enlarged diagram of Fig. 2.
Detailed description of the invention
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows.It should be noted that, the present embodiment is descriptive, is not determinate, can not limit thus protection domain of the present utility model.
A kind of arch gauntry crane, its lifting crane span structure is the two girder formula gantry structures of an arch, comprise cross sill 9, supporting leg 7, entablatrance 6, arched girder 4, electric block 3 and running trolley 2, cross sill is two horizontal beams of walking on ground rail, cargo motor and retarder 8 thereof are installed on cross sill, hand-operated brake device 18 is also installed on cross sill, be fixed with two cross sill bilateral symmetry the supporting leg being tilted to, upper end at supporting leg is fixed with entablatrance, described girder is arched girder, this arched girder is connected with supporting leg by the entablatrance at two ends, on two arched girders, running trolley is installed, this running trolley is across on arched girder, on running trolley, middle part adopts symmetrical suspension rod 19 to lift an electric block by transverse axis 10, realize in the time that running trolley moves to the different angles of arched girder, electric block all can ensure perpendicular to the ground, on the both sides of running trolley end carriage 20, be all symmetrically installed with two cover driving chain wheels 14, this two cover driving chain wheel all by vehicle motor 1, retarder 21 as actuating device, be symmetrically connected with transmission shaft 15 to both sides level and mirror image respectively, this transmission shaft is lifted on end carriage 22 by suspension rod 22, described driving chain wheel is all coaxially arranged on the end of each transmission shaft, these four sprocket wheels all engage the chain 13 that is packed in arched girder inboard, realize thus vehicle motor and drive retarder, retarder to drive chain in both sides transmission shaft, the synchronous drive sprocket of both sides transmission shaft, sprocket engagement arched girder to realize running trolley and electric block is walked on arched girder.
In order to ensure little frame steady reliability service on arch H-girder, this patent has also carried out following design:
1, on arched girder, be welded with trolley track 17, running trolley is supported on girder by four jiaos of four car wheels 16 of going to the bottom, and comes and goes operation along girder; An inhibiting device 5 is respectively equipped with in the termination, beam both sides of arched girder, running trolley is carried out spacing, prevents that running trolley from dropping out arched girder in out-of-control condition drop.
2, below four car wheels of running trolley, corresponding each equal symmetry in outside, arched girder top flange is manufactured with anticreep anchor 11, and this anticreep anchor moves along arched girder with dolly, prevents from deviating from arched girder under earthquake or tipping condition.
3, below corresponding each anticreep anchor, a track adjusting wheel 12 is installed, this track adjusting wheel is pressed in coxostermum outside arched girder, and move along web, can make running trolley along arched girder linear running, the each tooth that ensures sprocket wheel with this can engage with chain in operational process, does not produce misalignment.
4, the entrance cable of running trolley is installed in drag chain 23, and drag chain, along the drag chain support operation in girder outside, efficiently solves cable and piles up problem.
Claims (5)
1. an arch gauntry crane, its lifting crane span structure is the two girder formula gantry structures of an arch, comprises cross sill, supporting leg, entablatrance, girder, electric block and running trolley, it is characterized in that:
Cross sill is two horizontal beams of walking on ground rail, cargo motor and reductor thereof are installed on cross sill, be fixed with two cross sill bilateral symmetry the supporting leg being tilted to, upper end at supporting leg is fixed with entablatrance, described girder is arched girder, and this arched girder is connected with supporting leg by the entablatrance at two ends, on two arched girders, running trolley is installed, this running trolley is across on arched girder, and on running trolley, middle part lifts an electric block by transverse axis; On arched girder, be welded with trolley track, running trolley is supported on girder by four car wheels of four jiaos of going to the bottom, and comes and goes operation along girder;
On the end carriage of the both sides of running trolley, be all symmetrically installed with two cover driving chain wheels, this two cover driving chain wheel all by motor, retarder as actuating device, be symmetrically connected with transmission shaft to both sides level and mirror image respectively, the end of each transmission shaft is all fixed with a sprocket wheel, and these four driving chain wheels all engage the chain that is packed in arched girder inboard.
2. arch gauntry crane according to claim 1, is characterized in that: below four car wheels, corresponding each equal symmetry in outside, arched girder top flange is manufactured with anticreep anchor, and this anticreep anchor moves along arched girder with dolly.
3. arch gauntry crane according to claim 2, is characterized in that: below corresponding each anticreep anchor, a track adjusting wheel is installed, this track adjusting wheel is pressed in coxostermum outside arched girder, and moves along the web of arched girder.
4. arch gauntry crane according to claim 1, is characterized in that: the radian of described arched girder is 5-20 degree.
5. arch gauntry crane according to claim 1, is characterized in that: described running trolley entrance cable is installed in drag chain, and drag chain is along the drag chain support operation in arched girder outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387255.3U CN203946807U (en) | 2014-07-14 | 2014-07-14 | A kind of arch gauntry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387255.3U CN203946807U (en) | 2014-07-14 | 2014-07-14 | A kind of arch gauntry crane |
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| Publication Number | Publication Date |
|---|---|
| CN203946807U true CN203946807U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387255.3U Expired - Fee Related CN203946807U (en) | 2014-07-14 | 2014-07-14 | A kind of arch gauntry crane |
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| Country | Link |
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| CN (1) | CN203946807U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759776A (en) * | 2015-04-16 | 2015-07-08 | 上海振华重工集团（南通）有限公司 | Improved tire crane track welding technology |
| CN105347188A (en) * | 2015-12-15 | 2016-02-24 | 大连华锐重工起重机有限公司 | Traction type arch-bridge crane of crane carriage |
| CN106006350A (en) * | 2016-07-08 | 2016-10-12 | 长沙云成智能科技有限公司 | Retarder and stepless retardance unloading device comprising retarder |
| CN106629416A (en) * | 2017-01-17 | 2017-05-10 | 大连理工大学 | Light-small type splicable obstacle avoidance hoisting equipment |
-
2014
- 2014-07-14 CN CN201420387255.3U patent/CN203946807U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759776A (en) * | 2015-04-16 | 2015-07-08 | 上海振华重工集团（南通）有限公司 | Improved tire crane track welding technology |
| CN104759776B (en) * | 2015-04-16 | 2017-01-11 | 上海振华重工集团（南通）有限公司 | Improved tire crane track welding technology |
| CN105347188A (en) * | 2015-12-15 | 2016-02-24 | 大连华锐重工起重机有限公司 | Traction type arch-bridge crane of crane carriage |
| CN105347188B (en) * | 2015-12-15 | 2017-04-12 | 大连华锐重工起重机有限公司 | Traction type arch-bridge crane of crane carriage |
| CN106006350A (en) * | 2016-07-08 | 2016-10-12 | 长沙云成智能科技有限公司 | Retarder and stepless retardance unloading device comprising retarder |
| CN106629416A (en) * | 2017-01-17 | 2017-05-10 | 大连理工大学 | Light-small type splicable obstacle avoidance hoisting equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170714 |