CN103663142B - Tailing mechanism and translation tailing hoisting method - Google Patents

Tailing mechanism and translation tailing hoisting method Download PDF

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Publication number
CN103663142B
CN103663142B CN201310749394.6A CN201310749394A CN103663142B CN 103663142 B CN103663142 B CN 103663142B CN 201310749394 A CN201310749394 A CN 201310749394A CN 103663142 B CN103663142 B CN 103663142B
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CN
China
Prior art keywords
slipping tail
lifting
slipping
tailing
wheel machine
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Application number
CN201310749394.6A
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Chinese (zh)
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CN103663142A (en
Inventor
王创民
刘建亭
张志德
王吉生
范卫民
王首成
申昌宏
闫俊慧
范江波
陈晓敏
米勇
王贵良
张永义
胡富申
周武强
杨金友
刘伟灵
张玄亨
张冠宙
赵艳华
李永旺
曹立仁
宋轶
Original Assignee
太原重工股份有限公司
中化二建集团有限公司
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Priority to CN201310749394.6A priority Critical patent/CN103663142B/en
Publication of CN103663142A publication Critical patent/CN103663142A/en
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Publication of CN103663142B publication Critical patent/CN103663142B/en

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Abstract

The invention provides a tailing mechanism which is matched with a main hoisting mechanism and is used for carrying out tailing hoisting on a hoisted object. The tailing mechanism comprises a tailing frame and further comprises a sliding supporting base frame and a tailing pulling system, wherein the sliding supporting base frame is arranged below the tailing frame; the tailing frame is in sliding match with the sliding supporting base frame; the tailing pulling system comprises a tailing pulling device; a tailing pulling cable connected with the hoisted object is arranged at one end of the tailing pulling device and the other end of the tailing pulling device is connected with a set of counter weight piece; under a working state, the tailing pulling system and the tailing pulling frame are matched with the main hoisting mechanism to carry out tailing hoisting on the hoisted object. The tailing pulling system is used and stress conversion in a tailing hoisting process is realized by a simple and efficient manner; the shake caused by lifting the hoisted object from an inclined state to a vertical state is reduced to the greatest extent. The tailing mechanism and a translation tailing hoisting method provided by the invention are lower in cost, have good safety performances, and are practical and convenient; the construction period is effectively shortened and the working efficiency is improved.

Description

Slipping tail mechanism and translation slipping tail hanging method

Technical field

The present invention relates to hoisting technology field, particularly relate to a kind of slipping tail mechanism and translation slipping tail hanging method.

Background technology

At present, to the lifting slipping tail of large equipment, mostly be crawler crane slipping tail and tail row slippage slipping tail mode.There is shortcomings in above prior art, crawler crane slipping tail, and crawler crane disassembly and assembly time is longer, and floor area is wide, causes that the whole lifting construction cycle is long, costly, danger coefficient is high; Tail row slippage slipping tail, needing to lay track realizes mobile, accessory equipment and human input large, complicated operation and the preparatory period long, slipping tail tail row need to bear most weight of equipment, and when uprightly being overturn by hanging device in hoisting process, usually bring because center of gravity transformation point need be crossed and larger rock impact.

In sum, rock on the basis of impact effective minimizing, propose a kind of structure further simple, easy to operate slipping tail hanging device, and then reduce costs and shorten construction period, become a large technical matters urgently to be resolved hurrily in the industry.

Summary of the invention

The present invention will solve the technical matters of complex structure and complex operation in existing slipping tail hoisting technology.

For solving the problems of the technologies described above, the present invention adopts following technical scheme:

The present invention proposes a kind of slipping tail mechanism, slipping tail lifting is carried out to by lifting object in order to coordinate main loop wheel machine structure, described main loop wheel machine structure comprises master and hangs leg support, described master hangs leg support and is at least vertically formed by connecting by multiple standard knot, described slipping tail mechanism comprises a slipping tail frame, wherein, described slipping tail mechanism also comprises slippage support base row and drags the system of slipping, described slippage support base row is located at below described slipping tail frame, described slipping tail frame and described slippage support base arrange bearing fit, the described system of slipping of dragging comprises and drags slip device, described slip device one end of dragging is provided with to connect and is slipped cable by dragging of lifting object, the other end connects an assembly heavy mail, under mode of operation, the described system of slipping and the slipping tail frame dragged coordinates with described main loop wheel machine structure and carries out slipping tail lifting to by lifting object.

According to an embodiment of the present invention, described slipping tail frame is portal-framed structure, and described slipping tail frame comprises girder, and described girder both sides are respectively provided with a slipping tail leg support, and described girder is provided with bont, and described bont bottom is provided with slipping tail suspender.

According to another embodiment, described in two, slipping tail leg support upper end is respectively provided with an epimerite, and described epimerite upper end is respectively provided with a connection bearing, and slipping tail leg support described in two connects bearing by two and is connected with described girder respectively.

According to another embodiment, described in two, slipping tail leg support lower end is respectively provided with a sliding base, and described sliding base and described slippage support base arrange bearing fit.

According to another embodiment, described in two, between slipping tail leg support, be provided with the pipe link of both connections.

According to another embodiment, the main body of described slipping tail frame is formed by connecting up and down by multiple described standard knot.

The present invention is directed to above-mentioned technical matters and the technical scheme proposed also comprises, a kind of translation slipping tail hanging method is proposed, utilize a main loop wheel machine structure and described slipping tail mechanism to carry out slipping tail lifting to by lifting object, wherein, described translation slipping tail hanging method comprises the following steps:

Step one: be connected described by the suspender of lifting object top with described main loop wheel machine structure, be connected described with described slipping tail suspender by lifting object bottom, described in the suspender of described main loop wheel machine structure and described slipping tail suspender Synchronous lifting by lifting object to sustained height;

Step 2: it is described by lifting object that described main loop wheel machine structure continues lifting, described slipping tail frame and described slippage support base arrange bearing fit to described main loop wheel machine structure direction translation, described in the relative translation process of described slipping tail mechanism and described main loop wheel machine structure, slipping tail suspender is hung and describedly to be declined by lifting object bottom synchronous, realize described by lifting object level to vertical lifting;

Step 3: described slipping tail mechanism and described interfered by lifting object before, drag dragging of the system of slipping and slip cable by described and be connected by lifting object bottom with described, carry out counterweight by described counterweight simultaneously, realize the stress check calculation with described slipping tail frame;

Step 4: disconnect described slipping tail suspender and described by the connection of lifting object, is dragged device by described main loop wheel machine structure and continues to coordinate with described slipping and lift;

Step 5: described in drag slip device release gradually described in drag and slip cable, coordinate described main loop wheel machine structure continue to promote described by lifting object to vertical state, complete and the described slipping tail by lifting object lifted.

As shown from the above technical solution, advantage and the good effect of the slipping tail mechanism that the present invention proposes and translation slipping tail hanging method are: the use of dragging the system of slipping achieves the stress check calculation in slipping tail hoisting process in a kind of simple mode efficiently, reduces largely by lifting object rocking when being promoted to vertical state by heeling condition.Slipping tail mechanism and the translation slipping tail hanging method cost of the present invention's proposition are lower, have good safety performance, and implement conveniently, effectively to shorten construction period, improve work efficiency.

Accompanying drawing explanation

Fig. 1 is slipping tail mechanism of the present invention portal-framed structure schematic diagram;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is translation slipping tail hanging method step one schematic diagram of the present invention;

Fig. 4 is translation slipping tail hanging method step 2 schematic diagram of the present invention;

Fig. 5 is translation slipping tail hanging method step 3 schematic diagram of the present invention;

Fig. 6 is translation slipping tail hanging method step 4 schematic diagram of the present invention;

Fig. 7 is translation slipping tail hanging method step 5 schematic diagram of the present invention;

Fig. 8 is the main loop wheel machine structure structural representation of slipping tail mechanism of the present invention;

Fig. 9 is the standard knot structural representation of slipping tail mechanism of the present invention.

Wherein, Reference numeral is as follows:

1. slipping tail mechanism; 10. slipping tail frame; 100. girder; 101. slipping tail leg supports; 101a. standard knot; 101b. epimerite; 101c. pipe link; 102. connect bearing; 11. bonts; 12. slipping tail suspenders; 13. sliding bases; 14. slippage support base rows; 15. drag the system of slipping; 150. drag slip device; 151. counterweight; 152. drag and slip cable; 2. by lifting object; 3. main loop wheel machine structure; 31. masters hang leg support.

Detailed description of the invention

The exemplary embodiments embodying feature of the present invention and advantage will describe in detail in the following description.Should be understood that the present invention can have multiple conversion in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be as illustrative purposes in essence, and be not used to limit the present invention.

As shown in Figure 1, Figure 2 and Figure 3, the slipping tail mechanism 1 that the present invention proposes, carries out slipping tail lifting for coordinating main loop wheel machine structure 3 to by lifting object 2.

The slipping tail mechanism 1 that the present invention proposes, can according to by the center-of-gravity position of lifting object 2, and the hanger position of main loop wheel machine structure 3 and slipping tail frame 10, distribution is optimized to the hoisting force of main loop wheel machine structure 3 and slipping tail frame 10, so that the hoisting force relative to slipping tail frame 10 is adjusted to maximum, the work efficiency of further raising equipment.In the present embodiment, to lift 2300 tons of chemical reactors, select load to be the main loop wheel machine structure 3 of 3000 tons, this main loop wheel machine structure 3 selects compound gantry, and its main body is vertically formed by connecting by multiple standard knot 101a.This slipping tail mechanism 1 mainly comprise 1600 tons of load slipping tail frame 10, arrange 14 and one with the slippage support base of this slipping tail frame 10 bearing fit and drag the system of slipping 15.

As shown in Figure 1, slipping tail frame 10 is portal structures, and this slipping tail frame 10 mainly comprises a girder 100 and is located at two slipping tail leg supports 101 of these girder 100 both sides respectively.This girder 100 is provided with one group of bont 11, this bont 11 lower end is connected with a set of slipping tail suspender 12.

As shown in Fig. 1, Fig. 8 and Fig. 9, the main body of slipping tail frame 10, namely slipping tail leg support 101 is vertically formed by connecting primarily of the standard knot 101a forming main loop wheel machine structure 3, for the fractionation of same equipment uses, this kind of structure not only increases the standardization level of equipment, and simplify device structure, make equipment unit maintenance replace convenient, reduce equipment use cost to a certain extent.

As shown in Figure 1, the upper end of each slipping tail leg support 101 is provided with an epimerite 101b, and this slipping tail leg support 101 is connected with girder 100 by this epimerite 101b.The lower end of this slipping tail leg support 101 is provided with a sliding base 13, in order to arrange 14 bearing fits with slippage support base.That is, in working order, this slipping tail frame 10, by sliding on this slippage support base row 14, realizes to the close function of main loop wheel machine structure 3.

As shown in Figure 1, be provided with a pipe link 101c between two slipping tail leg supports 101, this pipe link 101c two ends connect the standard knot 101a of two slipping tail leg support 101 upper ends respectively, to strengthen structural strength.

Due in the conventional technology, cable wind rope, as a part for slipping tail device, needs the moiety by weight carrying suspended object.In the present embodiment, use the slipping tail frame 10 of independently portal structures, by analyzing height and the band load carrying ability of this slipping tail frame 10, stable calculation analysis being carried out to this slipping tail frame 10, and then the requirement of slipping tail lifting can be met without the need to being equipped with cable wind rope device.

In the present embodiment, under mode of operation, main loop wheel machine structure 3 adopts same control system to carry out control operation with slipping tail frame 10, has good synchronism.Compared with the equipment such as the hinged seat slipping tail tail row used with tradition, the slipping tail mechanism 1 of present embodiment, can by asynchronous with slipping tail frame 10 for main loop wheel machine the structure 3 and ingenious release of rigid rotating energy that is that produce.

As shown in Figure 2, drag the system of slipping 15 and comprise and drag slip device 150, this drags slip device 150 can select hydraulic jack, hydraulic power unit etc., but not as limit.This is dragged slip device 150 one end and is connected with one group and drags and slip cable 152, and this is dragged and slips cable 152 and be connected in slipping tail hoisting process with by lifting object 2.This other end dragging slip device 150 connects an assembly heavy mail 151, and this assembly heavy mail 151 is being dragged under slip device 150 mode of operation, and carry out balance weight to by lifting object 2, can adjust flexibly, its quantity and weight are not unique.

For the use of dragging the system of slipping 15, then after angled by lifting object 2 and main loop wheel machine structure 3, namely slipping tail frame 10 is about to interfere with by lifting object 2 occurrence positions, when causing continuing slipping tail lifting, this is dragged slip device 150 and slips cable 152 be connected with by lifting object 2 lower end by dragging.This load dragging the system of slipping 15 then calculates according to by lifting object 2 and the main angle of loop wheel machine structure 3 and the particular location of hanger.This drags the counterweight optionally anchor device of the system of slipping 15, but not as limit.Consider that the maximum weighted state of dragging slip device 150 adjusts simultaneously.

As shown in Fig. 3 to Fig. 7, the translation slipping tail hanging method that the present invention proposes, utilizes main loop wheel machine structure 3 and slipping tail mechanism 1 set forth above to coordinate, carries out lifting slipping tail, mainly comprise the following steps by lifting object 2:

Step one: as shown in Figure 3, be connected by the suspender of lifting object 2 top with described main loop wheel machine structure 3, will be connected by lifting object 2 bottom with slipping tail suspender 12, main loop wheel machine structure 3 and slipping tail mechanism 1 Synchronous lifting are by lifting object 2 to sustained height;

Step 2: as shown in Figure 4, it is described by lifting object 2 that main loop wheel machine structure 3 continues lifting, the bearing fit of 14 is arranged to main loop wheel machine structure 3 direction translation by sliding base 13 and slippage support base by slipping tail mechanism 1, described in the relative translation process of slipping tail mechanism 1 and main loop wheel machine structure 3, slipping tail suspender 12 is hung and is declined by lifting object 2 bottom synchronous, realizes by lifting object 2 level to vertical lifting;

Step 3: as shown in Figure 5, slipping tail mechanism 1 with interfered by lifting object 2 before, slip cable 152 be connected dragging dragging of the system of slipping 15 with by lifting object 2 bottom, carry out counterweight by counterweight 151 simultaneously, realize and the stress check calculation of slipping tail mechanism 1;

Step 4: as shown in Figure 6, disconnect slipping tail suspender 12 with by the connection of lifting object 2, dragged device 150 by main loop wheel machine structure 3 and continue to coordinate and lift with slipping;

Step 5: as shown in Figure 7, drags slip device 150 and releases gradually to drag and slip cable 152, coordinates main loop wheel machine structure 3 to continue to promote by lifting object 2 to vertical state, completes and lift by the slipping tail of lifting object 2.

Although exemplary embodiment describe the present invention with reference to several, should be understood that term used be illustrate and illustrative, and not restrictive.Its design or essence is not departed from because the present invention can specifically implement in a variety of forms, therefore, above-described embodiment is not limited to any aforesaid details, and explain widely in the design that should limit in claim of enclosing and scope, therefore the whole change fallen in claim or its equivalent scope and remodeling all should be claim of enclosing and contained.

Claims (7)

1. a slipping tail mechanism (1), slipping tail lifting is carried out to by lifting object (2) in order to coordinate main loop wheel machine structure (3), described main loop wheel machine structure (3) comprises master and hangs leg support (31), described master hangs leg support (31) and is at least vertically formed by connecting by multiple standard knot (101a), described slipping tail mechanism (1) comprises a slipping tail frame (10), it is characterized in that, described slipping tail mechanism (1) also comprises:
Slippage support base row (14), be located at described slipping tail frame (10) below, described slipping tail frame (10) and described slippage support base arrange (14) bearing fit; And
Drag the system of slipping (15), comprise and drag slip device (150), described slip device (150) one end of dragging is provided with to connect and is slipped cable (152) by dragging of lifting object (2), and the other end connects an assembly heavy mail (151);
Under mode of operation, described in drag the system of slipping (15) and slipping tail frame (10) and coordinate with described main loop wheel machine structure (3) and carry out slipping tail lifting to by lifting object (2).
2. slipping tail mechanism (1) according to claim 1, it is characterized in that, described slipping tail frame (10) is portal-framed structure, described slipping tail frame (10) comprises girder (100), described girder (100) both sides are respectively provided with a slipping tail leg support (101), described girder (100) is provided with bont (11), and described bont (11) bottom is provided with slipping tail suspender (12).
3. slipping tail mechanism (1) according to claim 2, it is characterized in that, described in two, slipping tail leg support (101) upper end is respectively provided with an epimerite (101b), described epimerite (101b) upper end is respectively provided with a connection bearing (102), and slipping tail leg support (101) described in two connects bearing (102) by two and is connected with described girder (100) respectively.
4. slipping tail mechanism (1) according to claim 2, it is characterized in that, described in two, slipping tail leg support (101) lower end is respectively provided with a sliding base (13), and described sliding base (13) and described slippage support base arrange (14) bearing fit.
5. slipping tail mechanism (1) according to claim 2, is characterized in that, is provided with the pipe link (101c) of both connections described in two between slipping tail leg support (101).
6. slipping tail mechanism (1) as claimed in any of claims 1 to 5, is characterized in that, the main body of described slipping tail frame (10) is formed by connecting up and down by multiple described standard knot (101a).
7. a translation slipping tail hanging method, a main loop wheel machine structure (3) and slipping tail mechanism (1) as claimed in claim 1 is utilized to carry out slipping tail lifting to by lifting object (2), described slipping tail frame (10) is portal-framed structure, described slipping tail frame (10) comprises girder (100), described girder (100) both sides are respectively provided with a slipping tail leg support (101), described girder (100) is provided with bont (11), described bont (11) bottom is provided with slipping tail suspender (12), it is characterized in that, described translation slipping tail hanging method comprises the following steps:
Step one: be connected described by the suspender of lifting object (2) top with described main loop wheel machine structure (3), be connected described with described slipping tail suspender (12) by lifting object (2) bottom, described in the suspender of described main loop wheel machine structure (3) and described slipping tail suspender (12) Synchronous lifting by lifting object (2) to sustained height;
Step 2: described main loop wheel machine structure (3) continuation promotes described by lifting object (2), described slipping tail frame (10) and described slippage support base arrange (14) bearing fit to the direction translation of described main loop wheel machine structure (3), described in the relative translation process of described slipping tail mechanism (1) and described main loop wheel machine structure (3), slipping tail suspender (12) is hung and describedly to be declined by lifting object (2) bottom synchronous, realize described by lifting object (2) level to vertical lifting;
Step 3: described slipping tail mechanism (1) with described interfered by lifting object (2) before, drag dragging of the system of slipping (15) and slip cable (152) by described and be connected by lifting object (2) bottom with described, carry out counterweight by described counterweight (151) simultaneously, realize the stress check calculation with described slipping tail frame (10);
Step 4: disconnect described slipping tail suspender (12) with described by the connection of lifting object (2), is dragged device (150) by described main loop wheel machine structure (3) and continues to coordinate with described slipping and lift;
Step 5: described in drag slip device (150) release gradually described in drag and slip cable (152), coordinate described main loop wheel machine structure (3) continuation to promote described by lifting object (2) extremely vertical state, complete and lifted by the slipping tail of lifting object (2) described.
CN201310749394.6A 2013-12-31 2013-12-31 Tailing mechanism and translation tailing hoisting method CN103663142B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700110571A1 (en) * 2017-10-03 2019-04-03 Zanetti Solution S R L System tilting presses or ptd

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CN103991803A (en) * 2014-05-23 2014-08-20 中化二建集团有限公司 6,400-ton hydraulic pressure compound crane
CN103979442B (en) * 2014-05-23 2016-06-29 中化二建集团有限公司 The method of 6400 tons of Hydraulic double-type crane lifting cost tropsch reactors
CN105152030A (en) * 2015-06-26 2015-12-16 中化二建集团有限公司 Method for hoisting Fischer-Tropsch synthesis reactor by taking gantry crane as main crane and achieving tail lifting through single gantry
CN105804485B (en) * 2016-03-29 2017-09-29 中化二建集团有限公司 Halieutics lifts the construction method without hanger tower kind equipment
CN106429869A (en) * 2016-10-26 2017-02-22 中国二十二冶集团有限公司 Horizontal heavy equipment aerial mounting device and mounting method
CN106865414B (en) * 2017-03-09 2018-05-01 中国十七冶集团有限公司 A kind of combined hanging installation method of Con casting ladle revolving platform
CN107487724B (en) * 2017-08-16 2020-04-14 青岛海西重机有限责任公司 Non-crane-assisted large floating crane arm support mounting device and mounting method
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001040663A (en) * 1999-07-28 2001-02-13 Nippon Sharyo Seizo Kaisha Ltd Method and device for erecting leader for pile driver
CN101337640A (en) * 2008-06-19 2009-01-07 中国石油化工集团公司 Lifting and hoisting method of vertical equipment
CN201376848Y (en) * 2009-03-20 2010-01-06 史胜海 Large-scale double-tower automatic-elevation hoisting equipment
CN102963817A (en) * 2012-08-10 2013-03-13 中国石油天然气第一建设公司 Tailing force-free large equipment hoisting vertical tail removal method
CN103010952A (en) * 2012-12-18 2013-04-03 中联重科股份有限公司 Tail dragging device used for hoisting equipment, tail dragging vehicle and equipment hoisting method
CN103058054A (en) * 2012-12-27 2013-04-24 三一重工股份有限公司 Tail device and tail dragging method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001040663A (en) * 1999-07-28 2001-02-13 Nippon Sharyo Seizo Kaisha Ltd Method and device for erecting leader for pile driver
CN101337640A (en) * 2008-06-19 2009-01-07 中国石油化工集团公司 Lifting and hoisting method of vertical equipment
CN201376848Y (en) * 2009-03-20 2010-01-06 史胜海 Large-scale double-tower automatic-elevation hoisting equipment
CN102963817A (en) * 2012-08-10 2013-03-13 中国石油天然气第一建设公司 Tailing force-free large equipment hoisting vertical tail removal method
CN103010952A (en) * 2012-12-18 2013-04-03 中联重科股份有限公司 Tail dragging device used for hoisting equipment, tail dragging vehicle and equipment hoisting method
CN103058054A (en) * 2012-12-27 2013-04-24 三一重工股份有限公司 Tail device and tail dragging method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700110571A1 (en) * 2017-10-03 2019-04-03 Zanetti Solution S R L System tilting presses or ptd

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