CN103979438B - A kind of auxiliary device for removing tower crane attachment frame - Google Patents

A kind of auxiliary device for removing tower crane attachment frame Download PDF

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Publication number
CN103979438B
CN103979438B CN201410247124.XA CN201410247124A CN103979438B CN 103979438 B CN103979438 B CN 103979438B CN 201410247124 A CN201410247124 A CN 201410247124A CN 103979438 B CN103979438 B CN 103979438B
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CN
China
Prior art keywords
directive wheel
tower crane
bar shaped
shaped support
auxiliary
Prior art date
Application number
CN201410247124.XA
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Chinese (zh)
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CN103979438A (en
Inventor
孙国兵
景生华
吕建华
杨庆军
曹海春
谈斌
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南通市达欣工程股份有限公司
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Priority to CN201410247124.XA priority Critical patent/CN103979438B/en
Publication of CN103979438A publication Critical patent/CN103979438A/en
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Publication of CN103979438B publication Critical patent/CN103979438B/en

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Abstract

The invention discloses a kind of auxiliary device for removing tower crane attachment frame, the auxiliary device for removing tower crane attachment frame includes bar shaped support and is arranged on the anterior front end directive wheel of bar shaped support;Also including the middle directive wheel being arranged on the middle part of bar shaped support, middle directive wheel regulates axle and regulates shaft stool;The wheel disc of front end directive wheel is in being vertically arranged;When initial mounting state, the wheel disc of middle directive wheel becomes to be horizontally disposed with, and the wheel plate edge of middle directive wheel is parallel with the bearing of trend of bar shaped support with the tangent line of the wheel plate edge of front end directive wheel;Also include driving device and steel wire rope;One end of steel wire rope is connected with driving device, and the other end sequentially passes through middle directive wheel and front end directive wheel is connected with attaching frame to be removed.

Description

A kind of auxiliary device for removing tower crane attachment frame
Technical field
The present invention relates to construction equipment technology field, particularly relate to a kind of auxiliary device for removing tower crane attachment frame.
Background technology
Tower crane is the heavy mechanical equipment that construction site is main, it is responsible for the vital task of vertical transport, continuous rising along with depth of building, when the use of tower crane highly exceedes the unattached height of its regulation, must according to the regulation of tower crane operation instructions, building arranges attachment device (namely adopting rigid components to socket between tower body and the building of tower crane), to meet the strength and stability requirement of tower crane.
Referring to Fig. 1, attachment device of tower crane 200 is generally that "eight" shape symmetry sockets, and tower crane 100 is when removing, and along with the continuous decline of tower body, attachment device of tower crane 200 also will be removed from the top down successively.When attachment device of tower crane is removed, need to carrying out handling by the suspension hook of tower crane, owing to tower crane large arm in decline process cannot rotate, suspension hook can not directly arrive the top of split attaching frame, therefore, and the method often all adopting oblique pull during suspension hook handling attaching frame.
Especially the 3rd attaching frame the 203, the 4th attaching frame 204 (top view referring to the attachment device of tower crane of Fig. 2 being arranged in tower crane counter-jib 101 side is removed, tower crane opposite side be namely with tower crane large arm 102 homonymy also have the first attaching frame 201 and the second attaching frame 202), need during dismounting first to bundle with safety rope, arrange personnel to draw in building A, along with safety rope is slowly decontroled in the oblique pull handling of suspension hook again, to ensure that attaching frame will not be collided everywhere because of unexpected disequilibrium after taking connecting bolt apart, cause certain potential safety hazard.But the process of above-mentioned dismounting the 3rd attaching frame 203 and the 4th attaching frame 204 is dependent on manually carrying out removing operation, not only remove the time long, expend substantial amounts of staff, and there is bigger potential safety hazard, remove operation to the tower crane attachment frame in building construction process and bring very big difficulty.
Summary of the invention
It is an object of the invention to provide a kind of auxiliary device for removing tower crane attachment frame, to solve the problems referred to above.
In order to achieve the above object, the technical scheme is that and be achieved in that:
A kind of auxiliary device for removing tower crane attachment frame, arranges and is arranged on tower crane counter-jib and vertical with the direction of extension of described tower crane counter-jib;
The described auxiliary device for removing tower crane attachment frame includes bar shaped support and is arranged on the anterior front end directive wheel of described bar shaped support;Also including the middle directive wheel being arranged on the middle part of described bar shaped support, middle directive wheel regulates axle and regulates shaft stool;
Wherein, the wheel disc of described front end directive wheel is in being vertically arranged;When initial mounting state, the wheel disc of described middle directive wheel becomes to be horizontally disposed with, and the wheel plate edge of described middle directive wheel is parallel with the bearing of trend of described bar shaped support with the tangent line of the wheel plate edge of front end directive wheel;
Also include driving device and steel wire rope;One end of described steel wire rope is connected with driving device, and the other end sequentially passes through middle directive wheel and front end directive wheel is connected with attaching frame to be removed;Driving device is moving along the direction of extension of described tower crane counter-jib for drawing described steel wire rope.
It is preferred that described bar shaped support is connected molding by two 10# channel-section steels;
Also including channel-section steel connecting plate, described channel-section steel connecting plate is respectively fixedly connected with the two ends at described two 10# channel-section steels.
It is preferred that also include the two pieces of anterior directive wheel connecting plates and the anti-off rope device that are arranged on described bar shaped support;Two pieces of described directive wheel connecting plates are respectively fixedly connected with on the cell wall of the both sides of described bar shaped support, and described directive wheel connecting plate is used for supporting described front end directive wheel;
Described anti-off rope device is U-shaped metal plate, and the socket of described U-shaped metal plate is wrapped in the both sides of described front end directive wheel.
It is preferred that the middle directive wheel also including being arranged on the middle part of described bar shaped support regulates axle and regulates shaft stool;The two ends regulating shaft stool also set up for spacing latch;Described middle directive wheel is fixedly connected on described middle directive wheel and regulates the middle part of axle, and described adjustment shaft stool is two annulus, is fixed on described bar shaped support;Described middle directive wheel regulates the two ends of axle and inserts respectively in two annulus;
Described latch moves horizontally in two annulus of its socket for limiting middle directive wheel adjustment axle.
It is preferred that the middle front part of described bar shaped support and afterbody have been fixedly connected with tower crane connector, described tower crane connector is provided with connecting hole;
The hole for hoist of the connecting hole on described tower crane connector and described tower crane counter-jib is bolted to connection.
It is preferred that the middle front part of described bar shaped support and afterbody have been fixedly connected with support balance adjustment bolt.
It is preferred that described driving device is hoist engine.
Compared with prior art, this have the advantage that:
The structure analyzing the above-mentioned auxiliary device for removing tower crane attachment frame is known: make use of the guide effect of pulley and leading block just, and the purpose of slow folding and unfolding attaching frame is reached by hoist engine haulage cable, it is achieved that machinery equipment instead of artificial unloading's operation;
Therefore, the auxiliary device that the present invention relates to, it is arranged on tower crane counter-jib, it is possible to simple, quick, safe dismounting the 3rd attaching frame the 203, the 4th attaching frame 204, very easy to use, well solve the objective shortcoming of above-mentioned existence.
Accompanying drawing explanation
Fig. 1 is tower crane and the attachment device of tower crane assembling structural upright schematic diagram at a visual angle of the prior art;
Fig. 2 is tower crane and the attachment device of tower crane assembling structural upright schematic diagram at another visual angle of the prior art;
Fig. 3 is top view in Fig. 1;
Auxiliary device and tower crane and the attachment device of tower crane assembling structural representation for removing tower crane attachment frame that Fig. 4 provides for the embodiment of the present invention one;
The structural front view of the auxiliary device for removing tower crane attachment frame that Fig. 5 provides for the embodiment of the present invention in Fig. 4 one;
Fig. 6 is the side view of Fig. 5.
Detailed description of the invention
Below by specific embodiment son and in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment one
Referring to Fig. 4, a kind of auxiliary device for removing tower crane attachment frame that the embodiment of the present invention one provides, arrange and be arranged on tower crane counter-jib 101 and vertical with the direction of extension of described tower crane counter-jib 101;
The described auxiliary device for removing tower crane attachment frame includes bar shaped support 1 and is arranged on the anterior front end directive wheel 2 (i.e. fixed pulley, its external diameter is 200mm) of described bar shaped support;Also including the middle directive wheel 3 (i.e. fixed pulley, its external diameter is 200mm) being arranged on the middle part of described bar shaped support, middle directive wheel regulates axle 6 (external diameter of its axle is 30mm) and regulates shaft stool 7;
Wherein, the wheel disc of described front end directive wheel 2 is in being vertically arranged;When initial mounting state, the wheel disc of described middle directive wheel 3 becomes to be horizontally disposed with, and the wheel plate edge of described middle directive wheel 3 is parallel with the bearing of trend of described bar shaped support with the tangent line of the wheel plate edge of front end directive wheel 2;
Known in conjunction with Fig. 3: the above-mentioned auxiliary device for removing tower crane attachment frame also includes driving device and steel wire rope;One end of described steel wire rope is connected with driving device, and the other end sequentially passes through middle directive wheel 3 and front end directive wheel 2 is connected with attaching frame to be removed;Driving device is moving along the direction of extension of described tower crane counter-jib for drawing described steel wire rope.
It should be noted that make use of the guide effect of pulley and leading block just, use the pulley of two different guide direction to carry out guide steel wire rope, be possible not only to realize guiding, and be conducive to being drawn the stable traction of thing;One end of steel wire rope connects the front end directive wheel being positioned at bar shaped support front portion, runs through on bar shaped support bearing of trend, connects hoist engine 11 (see also Fig. 3) again through middle directive wheel;When steel wire rope draws pine, the front end of steel wire rope will drive attaching frame to be removed slowly to put down contraction.Can being realized the speed of hauling speed by the device on hoist engine 11, and then haulage cable reaches slowly to tighten up or decontrol the attaching frame of link, this auxiliary device achieves machinery equipment and instead of artificial unloading's operation;
Wherein, described bar shaped support is connected molding by two 10# channel-section steels;Also including channel-section steel connecting plate 5, described channel-section steel connecting plate 5 is respectively fixedly connected with the two ends at described two 10# channel-section steels.
It should be noted that 10# channel-section steel is bigger than 6#, bearing capacity is strong, and both compare 10# channel-section steel for the bigger support of load-bearing, but will determine according to practical situation in specifically used, and calculating is subjected to the weight of object and other external force rationally selects.
Referring to Fig. 4 and Fig. 5, the above-mentioned auxiliary device for removing tower crane attachment frame also includes the two pieces of anterior directive wheel connecting plates 4 and the anti-off rope device 10 that are arranged on described bar shaped support;Two pieces of described directive wheel connecting plates are respectively fixedly connected with on the cell wall of the both sides of described bar shaped support, and described directive wheel connecting plate is used for supporting described front end directive wheel;
Described anti-off rope device 10 is U-shaped metal plate, and the socket of described U-shaped metal plate is wrapped in the both sides of described front end directive wheel.
It should be noted that steel wire rope can effectively be carried out spacing by the U-shaped metal plate that the both sides of front end directive wheel are fixed, ensure that steel wire rope is under the effect being subject to bigger pull strength, still without departing from the race of front end directive wheel, it is achieved stable guiding.
The above-mentioned auxiliary device for removing tower crane attachment frame also includes being arranged on the middle directive wheel at the middle part of described bar shaped support and regulates axle 6 and regulate shaft stool 7;The two ends regulating shaft stool also set up for spacing latch, and above-mentioned latch is used for limiting centre directive wheel adjustment axle 6 and moves horizontally (but be not intended to middle directive wheel and regulate axle 6 rotation in adjustment shaft stool) in adjustment shaft stool.
Described middle directive wheel 3 is fixedly connected on described middle directive wheel and regulates the middle part of axle, and described adjustment shaft stool is two annulus, is fixed on described bar shaped support;Described middle directive wheel regulates the two ends of axle and inserts respectively in two annulus.(rope capacity owing to transporting out along with hoist engine is more long, its radius roller becomes more little, such steel wire rope also can change with middle directive wheel 3 angle, above-mentioned directive wheel regulates its structure of axle 6 and can rotate in the annulus at two adaptively, thus adapting to above-mentioned variable angle, so it can ensure that the steel wire rope of output is more stable when drawing tower crane attachment frame, reduces shaking volume).
It is preferred that the middle front part of described bar shaped support and afterbody have been fixedly connected with tower crane connector 8, described tower crane connector 8 is provided with connecting hole;
The hole for hoist of the connecting hole on described tower crane connector 8 and described tower crane counter-jib is bolted to connection.The middle front part of described bar shaped support and afterbody have been fixedly connected with support balance adjustment bolt 9.
Wherein, described driving device can be chosen as hoist engine or other construction pulling equipments.
The specific works principle of the auxiliary device for removing tower crane attachment the frame below embodiment of the present invention provided is done and is introduced:
Remove the objective shortcoming existed in attachment device process for existing tower crane, gone out a kind of auxiliary device removing attaching frame through research design, auxiliary device has been arranged on tower crane counter-jib, dismounting attaching frame that can be quick, safe by the hoist engine of tower crane.
1. the bar shaped support 1 helping device adopts two 10# channel-section steels, is attached fixing by channel-section steel connecting plate 5, it is ensured that the rigidity of support meets requirement.
2. support is arranged on the hole for hoist position of tower crane counter-jib, and support is connected with by the connecting hole of tower crane connector 8 and the hole for hoist of counter-jib, and is ensured the flatness of support by balance adjustment bolt 9.Support is considered as attaching frame to be removed and is positioned at left side or the right side of tower crane counter-jib before installing, to determine the direction of auxiliary device front end directive wheel 2, it is ensured that front end directive wheel 2 and attaching frame to be removed are in the same side of counter-jib.
When 3. removing attaching frame, by preprepared φ 14 steel wire penetrating front end directive wheel 2 and middle directive wheel 3, steel wire rope one end is connected with tower crane hoist engine, one end is connected with attaching frame to be removed, during dismounting, utilize tower crane hoist engine by auxiliary device, can safely and fast attaching frame be removed.
Compared with the mode of prior art, this patent has following at least one advantage:
When removing attachment device of tower crane, by the auxiliary device for removing tower crane attachment frame that the embodiment of the present invention provides, it is possible to quick, safe removes the attaching frame of tower crane counter-jib side, improves work efficiency, decreases potential safety hazard.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (5)

1. the auxiliary device being used for removing tower crane attachment frame, it is characterised in that arrange and be arranged on tower crane counter-jib and vertical with the direction of extension of described tower crane counter-jib;
The described auxiliary device for removing tower crane attachment frame includes bar shaped support and is arranged on the anterior front end directive wheel of described bar shaped support;Also including the middle directive wheel being arranged on the middle part of described bar shaped support, middle directive wheel regulates axle and regulates shaft stool;
Wherein, the wheel disc of described front end directive wheel is in being vertically arranged;When initial mounting state, the wheel disc of described middle directive wheel becomes to be horizontally disposed with, and the wheel plate edge of described middle directive wheel is parallel with the bearing of trend of described bar shaped support with the tangent line of the wheel plate edge of front end directive wheel;
Also include driving device and steel wire rope;One end of described steel wire rope is connected with driving device, and the other end sequentially passes through middle directive wheel and front end directive wheel is connected with attaching frame to be removed;Driving device is moving along the direction of extension of described tower crane counter-jib for drawing described steel wire rope;
Described bar shaped support is connected molding by two 10# channel-section steels;
Also including channel-section steel connecting plate, described channel-section steel connecting plate is respectively fixedly connected with the two ends at described two 10# channel-section steels;
Also include the two pieces of anterior directive wheel connecting plates and the anti-off rope device that are arranged on described bar shaped support;Two pieces of described directive wheel connecting plates are respectively fixedly connected with on the cell wall of the both sides of described bar shaped support, and described directive wheel connecting plate is used for supporting described front end directive wheel;
Described anti-off rope device is U-shaped metal plate, and the socket of described U-shaped metal plate is wrapped in the both sides of described front end directive wheel.
2. the auxiliary device for removing tower crane attachment frame as claimed in claim 1, it is characterised in that
The two ends of described adjustment shaft stool also set up for spacing latch;Described middle directive wheel is fixedly connected on described middle directive wheel and regulates the middle part of axle, and described adjustment shaft stool is two annulus, is fixed on described bar shaped support;Described middle directive wheel regulates the two ends of axle and inserts respectively in two annulus;
Described latch moves horizontally in two annulus of its socket for limiting middle directive wheel adjustment axle.
3. the auxiliary device for removing tower crane attachment frame as claimed in claim 1, it is characterised in that
The middle front part of described bar shaped support and afterbody have been fixedly connected with tower crane connector, and described tower crane connector is provided with connecting hole;
The hole for hoist of the connecting hole on described tower crane connector and described tower crane counter-jib is bolted to connection.
4. the auxiliary device for removing tower crane attachment frame as claimed in claim 3, it is characterised in that
The middle front part of described bar shaped support and afterbody have been fixedly connected with support balance adjustment bolt.
5. the auxiliary device for removing tower crane attachment frame as claimed in claim 1, it is characterised in that
Described driving device is hoist engine.
CN201410247124.XA 2014-06-05 2014-06-05 A kind of auxiliary device for removing tower crane attachment frame CN103979438B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410247124.XA CN103979438B (en) 2014-06-05 2014-06-05 A kind of auxiliary device for removing tower crane attachment frame

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Application Number Priority Date Filing Date Title
CN201410247124.XA CN103979438B (en) 2014-06-05 2014-06-05 A kind of auxiliary device for removing tower crane attachment frame

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CN103979438B true CN103979438B (en) 2016-07-06

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104692261A (en) * 2015-03-24 2015-06-10 启东建筑集团有限公司 Symmetrical dismounting construction method for attachment device of tower crane
CN105060138B (en) * 2015-09-07 2017-04-19 鞍钢房产建设有限公司 Disassembling and installation method for tower crane attachment and device thereof
CN105883646B (en) * 2016-06-29 2018-04-20 中交路桥华南工程有限公司 Tower crane and its used gin-pole truck
CN105883645B (en) * 2016-06-29 2018-01-05 中交路桥华南工程有限公司 The method for dismounting of tower crane attachment device
CN107161879B (en) * 2017-06-27 2018-08-03 中建二局第二建筑工程有限公司 Attached wall provision for disengagement and its method for dismounting on rear side of derrick crane

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5000139B2 (en) * 2006-01-13 2012-08-15 鹿島建設株式会社 Tower crane mast holding device
CN201914868U (en) * 2011-02-23 2011-08-03 刘福元 Tower crane attached mounting-demounting hoisting device
CN202390113U (en) * 2011-12-16 2012-08-22 西安市第四建筑工程公司 Hoisting and demounting device attached to tower crane for building
CN203451114U (en) * 2013-08-09 2014-02-26 中交第二航务工程局有限公司 Tower crane attaching device for bridge tower construction
CN203865896U (en) * 2014-06-05 2014-10-08 南通市达欣工程股份有限公司 Auxiliary device used for demounting tower crane attachment frames

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