CN202988612U - Flat jib tower crane - Google Patents
Flat jib tower crane Download PDFInfo
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- CN202988612U CN202988612U CN 201320002582 CN201320002582U CN202988612U CN 202988612 U CN202988612 U CN 202988612U CN 201320002582 CN201320002582 CN 201320002582 CN 201320002582 U CN201320002582 U CN 201320002582U CN 202988612 U CN202988612 U CN 202988612U
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- tower crane
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Abstract
本实用新型提出一种平臂式塔式起重机，包括塔身、下支座、上支座、平衡臂、撑架，以及控制装置，所述平臂式塔式起重机还包括第一起重臂和第二起重臂，所述平衡臂和所述第一起重臂、第二起重臂分别设置在所述上支座两侧。采用本实用新型的平臂式塔式起重机，在重载时，可以使用第一起重臂和第二起重臂共同工作，达到大型或超大型塔式起重机的起重要求；在轻载时，则可以使用第一起重臂或第二起重臂单独工作，从而减少能量消耗，节约能源。
The utility model proposes a flat-arm tower crane, which includes a tower body, a lower support, an upper support, a balance arm, a brace, and a control device. The flat-arm tower crane also includes a first boom and a The second boom, the balance arm, the first boom, and the second boom are respectively arranged on both sides of the upper support. With the flat-arm tower crane of the utility model, the first boom and the second boom can be used to work together to meet the lifting requirements of large or super-large tower cranes when the load is heavy; when the load is light, Then the first boom or the second boom can be used to work independently, thereby reducing energy consumption and saving energy.
Description
Technical field
The utility model is about the construction hoisting machinery field, and particularly about a kind of flat arm-type tower crane.
Background technology
Tower crane is called for short the tower machine, also claims tower crane, is a kind of weight-lifting equipment for building operation.The lifting altitude of tower crane and the performance advantage of work range are widely used it in high-building construction.
According to construction features and the luffing mode of crane arm, tower crane can be divided into pitching luffing crane arm (swing arm) formula tower crane and carriage amplitude varying crane arm (flat arm) formula tower crane.
The arm-type tower crane of carriage amplitude varying lifting also is flat arm-type tower crane, is to realize luffing by the loading trolley walking that is arranged on the horizontal boom track.
For the large-scale or flat arm-type tower crane of ultra-large type, in order to reach the lifting performance requriements, can lift by crane heavier object, its crane arm designs by maximum hoisting weight usually, so the crane arm stock size is large, Heavy Weight.Equally, when hoisting of coordinating with above-mentioned crane arm and luffing mechanism are carried out type selecting and design, usually also need to select high-performance motor, and coupler, change speed gear box and the reel of large model, and even the steel rope that diameter is large, weight capacity is higher.
Therefore, the flat arm-type tower crane of large-scale or ultra-large type can lift by crane heavier object, satisfies the building operation needs, and still the flat arm-type tower crane of large-scale or ultra-large type still can be used for lifting than underload.At this moment, because large-scale or the flat arm-type tower crane of ultra-large type adopt massive crane arm and the larger steel rope of diameter, multi-energy overcomes gravitational resistance to make its amplitude changing process need more, its high-performance motor of while, and coupler, change speed gear box and the reel etc. of large model, all need to consume more multi-energy when starting and during braking, thereby cause large-scale or the flat arm-type tower crane of ultra-large type can produce larger loss in efficiency in lifting during than underload.
The utility model content
The purpose of this utility model is to provide and a kind ofly can satisfies the lifting requirement, again the flat arm-type tower crane of energy-conserving and environment-protective.
The utility model provides a kind of flat arm-type tower crane, comprise tower body, undersetting, upper bracket, equilibrium arm, support, and control setup, described flat arm-type tower crane also comprises the first weighing arm and the second crane arm, and described equilibrium arm and described the first weighing arm, the second crane arm are separately positioned on described upper bracket both sides.
In an embodiment of the present utility model, aforesaid the first weighing arm and the second crane arm are symmetrical arranged, and the line of centers of its symmetrical center line and described equilibrium arm is coplanar.
In an embodiment of the present utility model, be provided with the first weighing arm pull bar between aforesaid the first weighing arm and support, be provided with the second crane arm pull bar between described the second crane arm and support.
In an embodiment of the present utility model, aforesaid flat arm-type tower crane also comprises the first lifting mechanism, the first luffing mechanism, and the second lifting mechanism, the second luffing mechanism; Also be respectively arranged with the first crane carriage and the second crane carriage at described the first weighing arm and the second crane arm bottom; Also be respectively arranged with the first suspension hook and the second suspension hook below described the first crane carriage and the second crane carriage.
In an embodiment of the present utility model, aforesaid the first crane carriage is driven by the first luffing mechanism, and described the first suspension hook is driven by the first lifting mechanism; Described the second crane carriage is driven by the second luffing mechanism, and described the second suspension hook is driven by the second lifting mechanism.
In an embodiment of the present utility model, aforesaid the first lifting mechanism and the second lifting mechanism are symmetricly set on described equilibrium arm both sides; Described the first luffing mechanism and the second luffing mechanism are separately positioned on described the first weighing arm and the second crane arm.
In an embodiment of the present utility model, aforesaid flat arm-type tower crane also comprises the hoisting bracket that can be suspended on described the first suspension hook and the second suspension hook below; Described hoisting bracket comprises stake body, and the 3rd suspension hook that is arranged on described stake body below.
In an embodiment of the present utility model, also be provided with two clip-connecting rods on aforesaid stake body, described stake body can be suspended on described the first suspension hook and the second suspension hook below by described clip-connecting rod.
In an embodiment of the present utility model, aforesaid the first weighing arm and the second crane arm are fixed on respectively a side of described upper bracket by the hinge that is arranged on its root, relative with described equilibrium arm.
The beneficial effects of the utility model are that the flat arm-type tower crane that employing the utility model proposes when heavy duty, can use the first weighing arm and the second crane arm co-operation, reaches the lifting requirement of large-scale or ultra-large type tower crane; When underloading, can use the first weighing arm or the second crane arm to work independently, thus energy saving, energy savings.Simultaneously, owing to can adopt the less lifting mechanism of specification and luffing mechanism on the flat arm-type tower crane that the utility model proposes, and can adopt motor, coupler, change speed gear box and the reel of ting model, and the less steel rope of diameter, thermal loss is less in the running to make the flat arm-type tower crane that the utility model proposes, needed energy is less when starting, and the thermal losses that produces when braking is less, thereby reaches the effect of energy-conserving and environment-protective.In addition, profile is little separately for the first weighing arm and the second crane arm, and is lightweight, and the whole specification of the mechanism of design is less, from design, selection, the type selecting of crane arm and associated mechanisms, manufacture and transport and all more have superiority angle, save the production and transport cost.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the flat arm-type tower crane of the utility model preferred embodiment.
Fig. 2 is the plan structure schematic diagram of the flat arm-type tower crane of the utility model preferred embodiment.
Fig. 3 is the local structure for amplifying schematic diagram at the flat arm-type tower crane Ш place in Fig. 2.
Suspension hook structural representation when Fig. 4 is the flat arm-type tower crane heavy duty of the utility model preferred embodiment.
The specific embodiment
Be to reach technological means and the effect that predetermined utility model purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof to according to the flat arm-type tower crane that the utility model proposes are described in detail as follows:
Relevant aforementioned and other technology contents of the present utility model, Characteristic can be known to present in the following detailed description that coordinates with reference to graphic preferred embodiment.Explanation by the specific embodiment, when can be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended graphic only be to provide with reference to the use of explanation, the utility model is limited.
See also illustrated in figures 1 and 2, the flat arm-type tower crane of the utility model preferred embodiment comprises basis 1, tower body 2, undersetting 3, upper bracket 4, equilibrium arm 5, the first weighing arm 61, the second crane arm 62, support 7, and the control setup (not shown).
Flat arm-type tower crane by basis 1 fixed installation on the ground.Tower body 2 is comprised of several standard knots.Be provided with lifting body 22 on tower body 2, lifting body 22 is to make flat arm-type tower crane can realize comprising climbing support and jacking cylinder etc. from the mechanism that raises.Upper bracket 3 is connected with undersetting and is connected with bolt by pivoting support.Be provided with swing type mechanism on upper bracket 3, swing type mechanism is to make the mechanism that flat arm-type tower crane upper rotary part can horizontal rotation.When flat arm-type tower crane was done gyroscopic movement, upper bracket 3 and above part thereof were around the center rotating of tower body 2, and undersetting 4 and following part thereof maintain static.Equilibrium arm 5 is used for the hold torque balance.Support 7 is used for keeping the jib stress balance.Said mechanism and start principle thereof are industry to be known, and therefore repeats no more in this article.
Please in the lump with reference to shown in Figure 3, the first weighing arm 61 and the second crane arm 62 are fixed on respectively the opposite side of upper bracket 3 by the hinge 610,620 that is arranged on its root, and be relative with equilibrium arm 5 positions.The first weighing arm 61 is identical with the second crane arm 62 preferred structures, and weight is identical, is symmetrical arranged, and its symmetrical center line is preferably coplanar with the line of centers of equilibrium arm 5.Thereby the first weighing arm 61, the second crane arm 62 are separately positioned on the both sides of upper bracket 3 with equilibrium arm 5, and reach balance.Be respectively arranged with the first weighing arm pull bar 611 and the second crane arm pull bar 621 between the first weighing arm 61 and the second crane arm 62 and support 7 tops.Also be respectively arranged with the first luffing mechanism 612 and the second luffing mechanism 622 near its root on the first weighing arm 61 and the second crane arm 62.Also be respectively arranged with the first crane carriage 614 and the second crane carriage 624 at the first weighing arm 61 and the second crane arm 62 bottoms, be respectively arranged with the first suspension hook 616 and the second suspension hook 626 below the first crane carriage 614 and the second crane carriage 624.Like this, the first crane carriage 614 on the first weighing arm 61 can be driven by the first luffing mechanism 612, thereby below the first weighing arm 61 along 61 translations of the first weighing arm, and the first suspension hook 616 of the first crane carriage 614 belows can be driven by the first lifting mechanism 51, thereby relative the first crane carriage 614 rises or descends.Equally, the second crane carriage 624 on the second crane arm 62 can be driven by the second luffing mechanism 622, thereby below the second crane arm 62 along the second crane arm 62 translations, and the second suspension hook 626 of the second crane carriage 624 belows can be driven by the second lifting mechanism 52, thereby relative the second crane carriage 624 rises or descends.
Please shown in Figure 4 in the lump, the flat arm-type tower crane of the utility model preferred embodiment also comprises hoisting bracket 63.Hoisting bracket 63 comprises stake body 630, and the 3rd suspension hook 632 that is arranged on stake body 630 belows.Also be provided with two horizontally extending clip-connecting rods 634 on stake body 630.
Like this, the flat arm-type tower crane of using the utility model preferred embodiment both can the heavier lifting thing of hoisting weight, also can the lighter lifting thing of hoisting weight.
Heavier at slinging matter weight, and when its weight surpasses one of them the biggest lifting capacity of the first weighing arm 61 of the flat arm-type tower crane of the utility model preferred embodiment and the second crane arm 62 (during heavy duty), use two crane arms (the first weighing arm 61 and the second crane arm 62) to work simultaneously.At first, start respectively the first luffing mechanism 612 and/or the second luffing mechanism 622, the first crane carriage 614 and/or the second crane carriage 624 are moved to same work range, namely make the heavy dolly 614 of the first and the second crane carriage take leave of the first weighing arm 61 distance identical with the root of the second crane arm 62 in 624 minutes.Then, start respectively the first lifting mechanism 51 and the second lifting mechanism 52, make the first lifting mechanism 51 and the second lifting mechanism 52 drive respectively the first suspension hook 616 and drop to the height identical apart from ground with the second suspension hook 626, by the surface work personnel, hoisting bracket 63 is arranged on the first suspension hook 616 and the second suspension hook 626, make the first suspension hook 616 and the second suspension hook 626 hook respectively two clip-connecting rods 634 on hoisting bracket 63 stake bodies 630, as shown in figure four.Things are lifted by crane in the 3rd suspension hook 632 liftings of available hoisting bracket 63 belows.Certainly, under this operating condition, after the lifting of lifting thing, the first lifting mechanism 51 and the second lifting mechanism 52 need to coordinate operation so that the lifting thing rises or descends.Equally, the first luffing mechanism 612 and the second luffing mechanism 622 also need coordinate operation so that the translation below the first weighing arm 61 and the second crane arm 62 of lifting thing.
Like this, the first weighing arm 61 and the second crane arm 62 co-operation can be lifted by crane its weight greater than one of them the lifting thing of the biggest lifting capacity of the first weighing arm 61 and the second crane arm 62.
Heavier at slinging matter weight, and when it weighs less than one of them the biggest lifting capacity of the first weighing arm 61 of the flat arm-type tower crane of the utility model preferred embodiment and the second crane arm 62 (during underloading), can use the first weighing arm 61 or the second crane arm 62 to work independently.For example, adopt the first weighing arm 61 to work independently, by the first luffing mechanism 612 drive crane carriages 614 below the first weighing arm 61 along 61 translations of the first weighing arm, and rise or descend by the first suspension hook 616 that the first lifting mechanism 51 drives the first crane carriage 614 belows.The second crane arm 62 and second luffing mechanism 622 and second lifting mechanism 52 item supporting with it are not worked.
Like this, adopt the flat arm-type tower crane that the utility model proposes, when heavy duty, can use the first weighing arm 61 and the second crane arm 62 co-operation, reach the lifting requirement of large-scale or ultra-large type tower crane; When underloading, can use the first weighing arm 61 or the second crane arm 62 to work independently, thus energy saving, energy savings.Simultaneously, owing to can adopt the less lifting mechanism of specification 51,52 and luffing mechanism 612,622 on the flat arm-type tower crane that the utility model proposes, and can adopt motor, coupler, change speed gear box and the reel of ting model, and the less steel rope of diameter, thermal loss is less in the running to make the flat arm-type tower crane that the utility model proposes, needed energy is less when starting, and the thermal losses that produces when braking is less, thereby reaches the effect of energy-conserving and environment-protective.In addition, profile is little separately for the first weighing arm 61 and the second crane arm 62, and is lightweight, and the whole specification of the mechanism of design is less, from design, selection, the type selecting of crane arm and associated mechanisms, manufacture and transport and all more have superiority angle, save the production and transport cost.
the above, only embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002582 CN202988612U (en) | 2013-01-04 | 2013-01-04 | Flat jib tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002582 CN202988612U (en) | 2013-01-04 | 2013-01-04 | Flat jib tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202988612U true CN202988612U (en) | 2013-06-12 |
Family
ID=48559811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320002582 Expired - Lifetime CN202988612U (en) | 2013-01-04 | 2013-01-04 | Flat jib tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202988612U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058069A (en) * | 2013-01-04 | 2013-04-24 | 中联重科股份有限公司 | Flat jib tower crane |
| CN103420275A (en) * | 2013-08-07 | 2013-12-04 | 深圳市三利谱光电科技股份有限公司 | Rocker arm lifting crane |
| CN104495643A (en) * | 2014-12-24 | 2015-04-08 | 广西大学 | Active stability maintaining system for tower crane |
| CN104743460A (en) * | 2015-04-21 | 2015-07-01 | 四川建设机械（集团）股份有限公司 | Rope alignment device and tower crane |
| CN104762966A (en) * | 2015-04-13 | 2015-07-08 | 广西大学 | Working tower frame of drilling cast-in-place pile machine |
| CN104787690A (en) * | 2015-04-20 | 2015-07-22 | 中国电力科学研究院 | Single-action arm ground lifting pole with flowing water counterweight system |
| CN105293310A (en) * | 2015-11-25 | 2016-02-03 | 镇海建设集团有限公司 | Tower crane with waterproof structure |
| CN106081952A (en) * | 2016-08-18 | 2016-11-09 | 无锡石油化工起重机有限公司 | Possesses the tower crane that beacon guides unmanned plane to stop |
| CN106144913A (en) * | 2016-08-18 | 2016-11-23 | 无锡石油化工起重机有限公司 | The tower crane of unmanned plane airplane parking area is installed |
| CN106892365A (en) * | 2017-04-20 | 2017-06-27 | 沈阳建筑大学 | A kind of parallel flat-top tower crane of both arms |
| CN111056462A (en) * | 2020-02-29 | 2020-04-24 | 徐州建机工程机械有限公司 | Folding balance arm supporting device of tower crane |
| CN113879980A (en) * | 2021-10-28 | 2022-01-04 | 上海市特种设备监督检验技术研究院 | Double-brake braking method and system for crane |
| WO2023087438A1 (en) * | 2021-11-22 | 2023-05-25 | 徐州建机工程机械有限公司 | Tower crane upper structure and flat top tower crane |
| WO2023087437A1 (en) * | 2021-11-22 | 2023-05-25 | 徐州建机工程机械有限公司 | Tower crane boom structure |
-
2013
- 2013-01-04 CN CN 201320002582 patent/CN202988612U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058069A (en) * | 2013-01-04 | 2013-04-24 | 中联重科股份有限公司 | Flat jib tower crane |
| CN103420275A (en) * | 2013-08-07 | 2013-12-04 | 深圳市三利谱光电科技股份有限公司 | Rocker arm lifting crane |
| CN104495643A (en) * | 2014-12-24 | 2015-04-08 | 广西大学 | Active stability maintaining system for tower crane |
| CN104762966A (en) * | 2015-04-13 | 2015-07-08 | 广西大学 | Working tower frame of drilling cast-in-place pile machine |
| CN104787690B (en) * | 2015-04-20 | 2017-09-01 | 中国电力科学研究院 | A kind of single movable-arm floor mast with circulating water Weighting system |
| CN104787690A (en) * | 2015-04-20 | 2015-07-22 | 中国电力科学研究院 | Single-action arm ground lifting pole with flowing water counterweight system |
| CN104743460A (en) * | 2015-04-21 | 2015-07-01 | 四川建设机械（集团）股份有限公司 | Rope alignment device and tower crane |
| CN105293310A (en) * | 2015-11-25 | 2016-02-03 | 镇海建设集团有限公司 | Tower crane with waterproof structure |
| CN106144913A (en) * | 2016-08-18 | 2016-11-23 | 无锡石油化工起重机有限公司 | The tower crane of unmanned plane airplane parking area is installed |
| CN106081952A (en) * | 2016-08-18 | 2016-11-09 | 无锡石油化工起重机有限公司 | Possesses the tower crane that beacon guides unmanned plane to stop |
| CN106892365A (en) * | 2017-04-20 | 2017-06-27 | 沈阳建筑大学 | A kind of parallel flat-top tower crane of both arms |
| CN111056462A (en) * | 2020-02-29 | 2020-04-24 | 徐州建机工程机械有限公司 | Folding balance arm supporting device of tower crane |
| CN113879980A (en) * | 2021-10-28 | 2022-01-04 | 上海市特种设备监督检验技术研究院 | Double-brake braking method and system for crane |
| WO2023087438A1 (en) * | 2021-11-22 | 2023-05-25 | 徐州建机工程机械有限公司 | Tower crane upper structure and flat top tower crane |
| WO2023087437A1 (en) * | 2021-11-22 | 2023-05-25 | 徐州建机工程机械有限公司 | Tower crane boom structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |