CN204022347U - Balance weight self-disassembly and assembly device and hoisting crane thereof - Google Patents

Balance weight self-disassembly and assembly device and hoisting crane thereof Download PDF

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Publication number
CN204022347U
CN204022347U CN201420242103.4U CN201420242103U CN204022347U CN 204022347 U CN204022347 U CN 204022347U CN 201420242103 U CN201420242103 U CN 201420242103U CN 204022347 U CN204022347 U CN 204022347U
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China
Prior art keywords
balance weight
disassembly
pulley
leading sheave
hoisting crane
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CN201420242103.4U
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Chinese (zh)
Inventor
何晓鲁
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Hebei Leisa Heavy Construction Machinery Co Ltd
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Beiqi Foton Motor Co Ltd
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Priority to CN201420242103.4U priority Critical patent/CN204022347U/en
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Abstract

The utility model discloses a kind of balance weight self-disassembly and assembly device and hoisting crane thereof.The mast that balance weight self-disassembly and assembly device comprises turntable, one end is connected with described turntable, balance weight base plate and be arranged at the balance weight at described balance weight base plate two ends, also comprise mast oil cylinder and pulley retractor device.The utility model utilizes original mast oil cylinder on described mast, by coordinating with assembly pulley retractor device, realize balance weight the right and left Synchronous lifting or landing, complete balance weight precise positioning, balance weight dismounting can be realized easily and fast and install, a multiple function of hydraulic ram, greatly cost-saving.

Description

Balance weight self-disassembly and assembly device and hoisting crane thereof
Technical field
The utility model relates to elevator machinery technical field, particularly relates to a kind of balance weight self-disassembly and assembly device.In addition, the utility model also relates to a kind of hoisting crane comprising above-mentioned balance weight self-disassembly and assembly device.
Background technology
Along with the fast development of China's economic construction, the projects such as generating, oil field are carried out, the demand of market to large-tonnage hoisting crane strengthens day by day, and the self-disassembly and assembly device of balance weight in hoister in large tonnage transition, transportation can effectively reduce cost, increase work efficiency.At present, existing balance weight self-disassembly and assembly device adopts extra two the hydraulic ram Synchronous liftings or the landing dismounting balance weight that increase setting, as shown in Figure 1, the chain device linked with balance weight is driven to promote or balance weight of landing by the synchronous lifting of two hydraulic rams or landing.The oil cylinder of extra increase, adds the cost of hoisting crane.And, because domestic hydraulic control technology is not mature enough, be difficult to the synchronization action realizing two hydraulic rams, cause two ends, balance weight left and right lifting altitude inconsistent, cause inclination, there is potential safety hazard, and the hydraulic ram increased and fluid control valve block thereof, too increase the productive costs of hoisting crane.
Utility model content
Technical problem to be solved in the utility model is: the balance weight self-disassembly and assembly device designing a kind of hoisting crane, utilize original single hydraulic ram---mast oil cylinder on mast, by coordinating with pulley retractor device, realize balance weight the right and left Synchronous lifting or landing, complete the lifting of balance weight, realize easily and fast by balance weight dismounting and installation, realize the object that a hydraulic ram is multi-function, saved cost greatly.
For solving the problems of the technologies described above, the utility model provides a kind of balance weight self-disassembly and assembly device of hoisting crane, comprise turntable, mast, mast oil cylinder, balance weight base plate and be arranged at the balance weight at described balance weight base plate two ends, in addition, also comprising can the pulley retractor device of balance weight described in landing, it is its described mast oil cylinder providing lifting drive that described pulley retractor device one end connects, and the other end connects described balance weight.
Preferably, described pulley retractor device comprises pulley bracket, load-bearing pulley, leading sheave, flexible rope; Described load-bearing pulley and described leading sheave are arranged on turntable respectively by pulley bracket; Described mast oil cylinder is connected with described flexible rope; Described flexible rope is connected with described balance weight base plate respectively by described leading sheave, described load-bearing pulley.
Preferably, described load-bearing pulley comprises left and right load-bearing pulley, described leading sheave comprises left and right leading sheave, described left load-bearing pulley, left leading sheave and described right load-bearing pulley, right leading sheave are arranged symmetrically on described turntable, line of centers approximately and vertical direction divide the planes overlapping of described counterweight equally; Described flexible rope is 2, walks around described left leading sheave respectively, left load-bearing pulley is connected described balance weight with right leading sheave, right load-bearing pulley.
Preferably, described left and right leading sheave acutangulates and is fixed on the turntable left and right sides.
Preferably, the upper surface of described leading sheave is lower than the upper surface of described load-bearing pulley.
Preferably, described mast level is placed on turntable; Described hydraulic ram is horizontally placed on mast.
Preferably, described balance weight base plate is installed with herringbone, described herringbone top has the circular lifting hole(eyelet) connecting flexible rope.
Preferably, described balance weight base plate is provided with at least 2 otic placodes, and described turntable is provided with corresponding otic placode, is connected with the otic placode on described balance weight base plate by bearing pin.
In addition, the utility model also provides a kind of hoisting crane comprising balance weight self-disassembly and assembly device described above.
Preferably, described hoisting crane is crawler crane or full Terrain Cranes.
The utility model compared with prior art, utilizes mast oil cylinder and pulley retractor device to realize balance weight the right and left Synchronous lifting or landing, realizes balance weight precise positioning; Promote or landing balance weight owing to utilizing an original hydraulic ram on mast, without the need to configuring independent Double-hydraulic-cylinder, can actv. cost-saving, thus realize hoisting crane easily and fast by balance weight dismounting and install, structure is simple, reduce deadweight, strengthen reliability and the safety of operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of self-jacking type balance weight of the prior art;
Fig. 2 is the structural representation of a kind of detailed description of the invention of balance weight self-disassembly and assembly device provided by the utility model;
Fig. 3 is the birds-eye view of the structural representation of a kind of detailed description of the invention of balance weight self-disassembly and assembly device provided by the utility model;
Fig. 4 is the structural representation of balance weight self-disassembly and assembly device provided by the utility model installation;
The structure that Fig. 5 is balance weight base plate provided by the utility model and balance weight herringbone.
Reference numeral:
1: mast; 101 mast end otic placodes; 102: mast otic placode;
2: hydraulic ram; 201: piston cylinder; 202: piston rod;
3: load-bearing pulley; 301: left load-bearing pulley; 302: right load-bearing pulley;
4: flexible rope; 401: left flexible rope; 402: right flexible rope;
5: leading sheave; 501: left leading sheave; 502: right leading sheave;
6: balance weight;
7: alignment pin; 701: alignment pin; 702: bearing pin;
8: turntable; 801: turntable otic placode; 802: turntable tail otic placode;
9: fixed pin shaft;
10: Shears; 1001: Zuoren cabinet frame; 1002: right Shears; 1003: left circular lifting hole(eyelet); 1004: right circular lifting hole(eyelet);
12: balance weight base plate; 1201: balance weight base plate hanger;
13: load-bearing pulley bracket;
14: leading sheave support;
15: combined counterbalance block.
Detailed description of the invention
Core of the present utility model is to provide a kind of balance weight self-disassembly and assembly device of hoisting crane, and this balance weight self-disassembly and assembly device makes full use of the Assembly &Disassembly that oil cylinder hoisting crane supporting mast realizes balance breeding, and safe and reliable, accurate positioning, has saved cost.Another core of the present utility model is to provide a kind of hoisting crane comprising above-mentioned balance weight self-disassembly and assembly device.
It should be noted that; the nouns of locality such as upper and lower, left and right involved are herein arranged in figure and parts position each other for benchmark with parts in Fig. 2 to Fig. 5 to define; just in order to state the clear and convenient of technical scheme; should be appreciated that the use of the described noun of locality need not limit the scope of the application's request protection.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As shown in Figures 2 and 3, the utility model provides a kind of balance weight self-disassembly and assembly device of hoisting crane, comprise turntable, mast, mast oil cylinder, balance weight base plate and be arranged at the balance weight at described balance weight base plate two ends, it is characterized in that, also comprising can the pulley retractor device of balance weight described in landing, it is its described mast oil cylinder providing lifting drive that described pulley retractor device one end connects, and the other end connects described balance weight.Stretching out or band the stretching out or retract of movable pulley retractor device of retracting of described hydraulic ram, stretching out or retracting and realize transferring or promoting of balance weight by pulley retractor device, thus realize balance weight from dismounting.
Concrete enforcement as shown in Figures 2 and 3, with a hoisting crane for mast 1, and mast 1 is provided with the mast oil cylinder 2 risen and fallen for mast 1, its middle mast 1 one end is provided with mast otic placode 102, and be connected with turntable by bearing pin 702, mast 1 can rotate around bearing pin about 702.Mast end otic placode 101 is provided with at the other end of mast 1, mast 1 is rotated around bearing pin 702 and in downward direction rotates, further, when mast 1 rotates to turntable 8 one-tenth horizontality, mast 1 upper mast otic placode 102 is corresponding with the turntable otic placode 801 on turntable 8, and by alignment pin 701 through mast otic placode 102 hole corresponding to turntable otic placode 801, the other end of mast 1 to be fixed on turntable 8 and to become parastate with turntable.Certain mast 1 also can be fixed on turntable 8 by other means.
Mast oil cylinder 2 on even keel is fixedly mounted on mast 1, and mast oil cylinder 2 and mast 1 form an entirety.Wherein mast oil cylinder 2 is divided into piston cylinder 201 and piston rod 202, and piston cylinder 201 is hinged on mast 1, and piston rod 202 can stretch in piston cylinder 201.One end of piston rod 202 is embedded in piston cylinder 201, and one end is connected with flexible rope 4.Pulley retractor device comprises pulley bracket, leading sheave 5 and load-bearing pulley 3 and flexible rope.Leading sheave 5, load-bearing pulley 3 are all arranged on leading sheave support 14, load-bearing pulley bracket 13 by bearing pin, and load-bearing pulley bracket 13, leading sheave support 14 are fixedly mounted on turntable.Flexible rope 4 connects balance weight 6 after walking around leading sheave 5, load-bearing pulley 3, realizes hoisting of balance weight 6 by the flexible operation of mast oil cylinder 2.
Wherein, remove and install in order to pulsation-free more realizes balance weight 6, load-bearing pulley 3 comprises left load-bearing pulley 301, right load-bearing pulley 302, leading sheave 5 comprises left leading sheave 501, right leading sheave 502, left load-bearing pulley 301, left leading sheave 501 and described right load-bearing pulley 302, right leading sheave 502 are arranged symmetrically on turntable 8, its line of centers approximately and vertical direction divide the planes overlapping of described balance weight 6 equally; Flexible rope also comprises left flexible rope 401, right flexible rope 402, walks around described left leading sheave 301 respectively, left load-bearing pulley 501 is connected described balance weight 6 with right leading sheave 302, right load-bearing pulley 502.
Leading sheave support 14 prolongs hydraulic ram level and stretches out direction and be fixed on the turntable left and right sides; Load-bearing pulley bracket 13 is arranged on the left and right both sides of the turntable 8 of the corresponding top of turntable tail otic placode 802 of turntable 8, fixes leading sheave 5, load-bearing pulley 3 with load-bearing pulley bracket 13, leading sheave support 14.
Wherein left leading sheave 501, right leading sheave 502 are arranged on the right and left on turntable respectively, and best mounting means is, left leading sheave 501 acutangulates with the middle vertical plane of right leading sheave 502, can according to the width of turntable 8, mast 1 and load-bearing pulley bracket, leading sheave support installing in the angle of the left leading sheave of the position adjustments of turntable 501 with the middle vertical plane of right leading sheave 502, so that guiding flexible rope 4.
Further, the upper horizontal plane of best left leading sheave 501, right leading sheave 502 one-tenth is lower than the upper horizontal plane of left load-bearing pulley 301, right load-bearing pulley 302, left flexible rope 401, right flexible rope 402 are wrapped on left leading sheave 501, right leading sheave 502 respectively by the upper surface of left leading sheave 501, right leading sheave 502, left flexible rope 401, right flexible rope 402 lay out from left leading sheave 501, right leading sheave 502 lower surface, are wound in respectively on left load-bearing pulley 301, right load-bearing pulley 302 by the upper surface of load-bearing pulley.Afterwards, the other end of left flexible rope 401, right flexible rope 402 is connected with balance weight base plate.
Balance weight 6 comprises balance weight base plate 12, combined counterbalance block 15, Shears 10, balance weight base plate hanger 1201, balance weight base plate holds up combined counterbalance block 15 for carrying, certainly combined counterbalance block that can be suitable according to the different choice of operating mode, Shears 10 comprises Zuoren cabinet frame 1001, right Shears 1002 and the left circular lifting hole(eyelet) 1003 in Shears 10 upper end, right circular lifting hole(eyelet) 1004, wherein Shears 10 is fixedly installed on balance weight base plate 12, can be welding or other fixed forms, left flexible rope 401, right flexible rope 402 is connected to the left circular lifting hole(eyelet) 1003 on Shears 10, on right circular lifting hole(eyelet) 1004.
After stretching out piston rod 202 by control system control mast oil cylinder 2, flexible rope 4 can pass through leading sheave 5, load-bearing pulley 3 is connected with the circular lifting hole(eyelet) of Shears 10 upper end in uninstalled balance weight 6, now control system control mast oil cylinder 2 shrinks piston rod 202, dynamic balance weight 6 is with upwards to promote by driving flexible rope 4, when the balance weight base plate hanger 1201 in balance weight 6 rises to turntable tail otic placode 802 relevant position on turntable 8, stop the contraction of piston rod 202, on the hole of balance weight base plate hanger 1201 is corresponding with the hole on turntable tail otic placode 802, and by fixed pin shaft 9, the two is fixedly completed the installation of balance weight.Now, flexible rope 4 can from balance weight 6 and mast oil cylinder 2 disassemble.
When needs dismounting balance weight, the two ends of flexible rope 4 are connected in mast oil cylinder 2, balance weight 6 according to above-mentioned canoe, now the piston rod 202 of mast oil cylinder 2 is in and is contracted in piston cylinder 201 inside, then stable equilibrium counterweight 6 and the fixed pin shaft 9 of turntable are pulled up, downward movement tendency is had by the own wt of balance weight 6, stretch out piston rod 202 by control system control mast oil cylinder 2 again to drive flexible rope 4 and then reach balance weight 6, and then complete the dismounting of balance weight 6.
Except above-mentioned balance weight self-disassembly and assembly device, the utility model also provides a kind of hoisting crane comprising above-mentioned balance weight self-disassembly and assembly device, and the structure of these other each several parts of hoisting crane please refer to prior art, repeats no more herein.
Particularly, above-mentioned hoisting crane can be crawler crane also can be full Terrain Cranes.
Below by reference to the accompanying drawings hoisting crane provided by the utility model and balance weight self-disassembly and assembly device thereof are described in detail.The utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.

Claims (10)

1. the balance weight self-disassembly and assembly device of a hoisting crane, comprise turntable, mast, mast oil cylinder, balance weight base plate and be arranged at the balance weight at described balance weight base plate two ends, it is characterized in that, also comprising can the pulley retractor device of balance weight described in landing, it is its described mast oil cylinder providing lifting drive that described pulley retractor device one end connects, and the other end connects described balance weight.
2. the balance weight self-disassembly and assembly device of hoisting crane as claimed in claim 1, it is characterized in that, described pulley retractor device comprises pulley bracket, load-bearing pulley, leading sheave, flexible rope; Described load-bearing pulley and described leading sheave are arranged on turntable respectively by pulley bracket; Described mast oil cylinder is connected with described flexible rope; Described flexible rope is connected with described balance weight base plate respectively by described leading sheave, described load-bearing pulley.
3. the balance weight self-disassembly and assembly device of hoisting crane as claimed in claim 2, it is characterized in that, described load-bearing pulley comprises left and right load-bearing pulley, described leading sheave comprises left and right leading sheave, described left load-bearing pulley, left leading sheave and described right load-bearing pulley, right leading sheave are arranged symmetrically on described turntable, line of centers approximately and vertical direction divide the planes overlapping of described counterweight equally; Described flexible rope is 2, walks around described left leading sheave respectively, left load-bearing pulley is connected described balance weight with right leading sheave, right load-bearing pulley.
4. the balance weight self-disassembly and assembly device of hoisting crane as claimed in claim 3, it is characterized in that, described left and right leading sheave acutangulates and is fixed on the turntable left and right sides.
5. the balance weight self-disassembly and assembly device of the hoisting crane as described in claim 2,3 or 4, is characterized in that, the upper surface of described leading sheave is lower than the upper surface of described load-bearing pulley.
6. the balance weight self-disassembly and assembly device of the hoisting crane as described in claim 1,2,3 or 4, is characterized in that, described mast level is placed on turntable; Described mast oil cylinder is horizontally placed on mast.
7. the balance weight self-disassembly and assembly device of hoisting crane as claimed in claim 6, is characterized in that, described balance weight base plate is installed with herringbone, and described herringbone top has the circular lifting hole(eyelet) connecting flexible rope.
8. the balance weight self-disassembly and assembly device of hoisting crane as claimed in claim 7, described balance weight base plate is provided with at least 2 otic placodes, and described turntable is provided with corresponding otic placode, is connected with the otic placode on described balance weight base plate by bearing pin.
9. a hoisting crane, is characterized in that the balance weight self-disassembly and assembly device comprised according to any one of the claims 1 to 8.
10. hoisting crane as claimed in claim 9, is characterized in that, described hoisting crane is crawler crane or full Terrain Cranes.
CN201420242103.4U 2014-05-12 2014-05-12 Balance weight self-disassembly and assembly device and hoisting crane thereof Active CN204022347U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110713125A (en) * 2019-10-17 2020-01-21 三一汽车起重机械有限公司 Counterweight assembling method and device and engineering machinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110713125A (en) * 2019-10-17 2020-01-21 三一汽车起重机械有限公司 Counterweight assembling method and device and engineering machinery

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201012

Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province

Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd

Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing

Patentee before: BEIQI FOTON MOTOR Co.,Ltd.

TR01 Transfer of patent right