CN102530746B - Crane and superlift counterweight device - Google Patents
Crane and superlift counterweight device Download PDFInfo
- Publication number
- CN102530746B CN102530746B CN201010578245.4A CN201010578245A CN102530746B CN 102530746 B CN102530746 B CN 102530746B CN 201010578245 A CN201010578245 A CN 201010578245A CN 102530746 B CN102530746 B CN 102530746B
- Authority
- CN
- China
- Prior art keywords
- surpassed
- weight
- counterweight
- balancing device
- hoisting crane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007704 transition Effects 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a superlift counterweight device of a crane. The superlift counterweight device comprises a superlift counterweight tray (11), a counterweight luffing device (12) and a pin shaft assembly (14), wherein the pin shaft assembly (14) comprises a central shaft (141) and a shaft sleeve (142) sleeved on the central shaft (141); the counterweight luffing device (12) is rigidly connected with the shaft sleeve (142); and the superlift counterweight tray (11) is connected with the central shaft (141) exposed out of the shaft sleeve (142) through a first connecting plate (17) rigidly connected with the superlift counterweight tray (11). The device has the properties of reducing the luffing resistance and improving the luffing stability of the crane, and can avoid the shake of a superlift counterweight during rotation so as to reduce damage to the crane; and the device is simple to mount and disassemble, and can save labor and material resources.
Description
Technical field
The present invention relates to hoisting crane technical field, particularly hoisting crane surpassed weight-balancing device.In addition, the invention still further relates to a kind of above-mentioned hoisting crane that has surpassed weight-balancing device that comprises.
Background technology
In order to improve the transaction capabilities of hoisting crane, conventionally configure removable counterbalanced weight (having surpassed weight-balancing device) to hoisting crane, meet its requirements of one's work.
Please refer to Fig. 1, Fig. 1 is the structural representation that has surpassed weight-balancing device of a kind of typical hoisting crane (crawler crane) in prior art.
In prior art, a kind of weight-balancing device that surpassed of typical crawler crane comprises and has surpassed counterweight tray 1, transition arm-tie 2, counterbalanced weight arm-tie 3, bearing pin 5 and derricking device for counterweight 4; Having surpassed general orderly being installed on of counterbalanced weight has surpassed in counterweight tray 1, and be connected with transition arm-tie 2 one end by having surpassed counterweight tray 1, the other end of transition arm-tie 2 uses bearing pin 5 to be connected with derricking device for counterweight 4 and counterbalanced weight arm-tie 3, and counterbalanced weight arm-tie 3 connects the mast mechanism of hoisting crane.
Surpass weight-balancing device in the time of work, surpassed weight-balancing device and left under order ground, utilized the passing of hoisting crane walking or derricking device for counterweight 4, changed the horizontal throw of the centroidal distance center of gyration that has surpassed counterbalanced weight, met requirements of one's work; After end-of-job, this device is positioned on ground, first relies on auxiliary hoist that derricking device for counterweight 4 is sling, and dismounting counterbalanced weight arm-tie 3, then completes the dismounting that has surpassed miscellaneous part in weight-balancing device one by one.
The problem that has surpassed weight-balancing device and in use mainly exist following several respects of said structure:
First, derricking device for counterweight 4 by transition arm-tie 2 with surpassed counterbalanced weight and be connected, in the time that luffing operates, transition arm-tie 2 can produce certain additional resistance, and easily cause and surpassed rocking of counterbalanced weight, surpassed rocking the stability influence of hoisting crane of counterbalanced weight very large; Correspondingly, while having surpassed counterbalanced weight revolution, due to the existence of transition arm-tie 2, the revolution force of inertia that has surpassed counterbalanced weight generation can not be directly passed to derricking device for counterweight 4, has surpassed counterbalanced weight and has rocked in plane of rotation, also larger to the harmfulness of hoisting crane.
Second, in the time of the heavy arm-tie 3 of needs shifting balance, because causing derricking device for counterweight 4 not stably to be positioned over, the 2 ground existence of transition arm-tie surpass on counterweight tray 1, so need additional configuration hoisting crane that luffing device is sling and just can be operated, troublesome poeration, and waste resource.
Therefore, how to improve the structure that has surpassed weight-balancing device, reduce its luffing resistance, stability while increasing hoisting crane work, and install and dismantle simply, human and material resources saved, reducing the use cost of equipment, is those skilled in the art's technical matterss urgently to be resolved hurrily at present.
Summary of the invention
Object of the present invention aims to provide one and has surpassed weight-balancing device, and this device has remarkable increase crane amplitude variation or rotating stability, and dismounting is simple, the performance of saving human and material resources.Another object of the present invention aims to provide a kind of above-mentioned hoisting crane that has surpassed weight-balancing device that comprises.
For solving the problems of the technologies described above, the invention provides a kind of weight-balancing device that surpassed of hoisting crane, comprise and surpassed counterweight tray and derricking device for counterweight, also comprise Assembly of pin, described Assembly of pin comprises center shaft and is set in the axle sleeve of described center shaft, described derricking device for counterweight and described axle sleeve are rigidly connected, and the described counterweight tray that surpassed is by being connected with the described center shaft that is placed on described axle sleeve outside with its rigidly connected first connecting panel.
Preferably, also comprise counterbalanced weight arm-tie, described counterbalanced weight arm-tie connects described axle sleeve by the transition arm-tie that is arranged at its end.
Preferably, also comprise the link span that is arranged at one end of described derricking device for counterweight and is fixedly connected with it, described link span comprises the first bar and is arranged at second connecting panel at two ends of described the first bar, and described derricking device for counterweight connects described axle sleeve by the second connecting panel described in two.
Preferably, described the second connecting panel is U-shaped structure, comprises two walls, and described in two, wall is provided with through hole coaxial and that coordinate with described axle sleeve, and described Assembly of pin is by wall described in the described axle sleeve connection two at the both ends of described center shaft; Described the first connecting panel is connected on the described center shaft between wall described in two.
Preferably, described Assembly of pin also comprises the baffle plate at the two ends that are set in described center shaft, and described baffle plate is positioned at the outside of axle sleeve described in two, and described baffle plate is connected by registration device with described the second connecting panel.
Preferably, described registration device comprises the double-screw bolt of the lateral wall that is arranged at described the second connecting panel, and described baffle plate is provided with the through hole matching with described double-screw bolt.
Preferably, described Assembly of pin also comprises spring clamp, and one end of described center shaft radially offers along it through hole matching with described spring clamp.
Preferably, described Assembly of pin also comprises handle, and described handle connects an end face of described center shaft.
The present invention also provides a kind of hoisting crane, comprises the weight-balancing device that surpassed described in above-mentioned any one.
Preferably, be specially crawler crane.
The invention provides a kind of weight-balancing device that surpassed of hoisting crane, comprise and surpassed counterweight tray and derricking device for counterweight, also comprise Assembly of pin, described Assembly of pin comprises center shaft and is set in the axle sleeve of described center shaft, described derricking device for counterweight and described axle sleeve are rigidly connected, and the described counterweight tray that surpassed is by being connected with the described center shaft that is placed on described axle sleeve outside with its rigidly connected first connecting panel.
The derricking device for counterweight having surpassed in weight-balancing device of the present invention directly connects by Assembly of pin and has surpassed rigidly connected the first connecting panel of counterweight tray, by derricking device for counterweight with surpassed counterweight tray without being connected through other attaching partss, be conducive to derricking device for counterweight by luffing force transmission to having surpassed counterbalanced weight, the resistance of luffing while having reduced work, increase the stability of crane amplitude variation, and when crane rotation, surpass the revolution force of inertia that counterbalanced weight produces and can be directly passed to luffing device, avoid having surpassed counterbalanced weight rocks in plane of rotation, reduce the harm to hoisting crane.
Brief description of the drawings
Fig. 1 is the structural representation that has surpassed weight-balancing device of a kind of typical hoisting crane (crawler crane) in prior art;
Fig. 2 is the structural representation that has surpassed a kind of detailed description of the invention of weight-balancing device provided by the present invention;
Fig. 3 is the schematic side view that has surpassed weight-balancing device shown in Fig. 2;
Fig. 4 has surpassed weight-balancing device to take off the connection diagram having surpassed after counterweight tray shown in Fig. 2;
Fig. 5 has surpassed weight-balancing device shown in Fig. 2 to take off the structural representation of the connection diagram after counterbalanced weight arm-tie;
Fig. 6 is the exploded view that has surpassed the Assembly of pin of weight-balancing device shown in Fig. 2;
Fig. 7 is the structural representation of a kind of detailed description of the invention of crawler crane provided by the present invention.
Wherein, in Fig. 1, the corresponding relation between Reference numeral and component names is:
1 counterweight tray; 2 transition arm-ties; 3 counterbalanced weight arm-ties; 4 derricking device for counterweights; 5 bearing pins.
Wherein, in Fig. 2 to Fig. 6, the corresponding relation between Reference numeral and component names is:
11 surpass counterweight tray; 12 derricking device for counterweights; 13 transition arm-ties; 14 Assembly of pin; 141 center shafts; 142 axle sleeves; 15 counterbalanced weight arm-ties; 16 link spans; 17 first connecting panels; 161 second connecting panels; 162 first bars.
Detailed description of the invention
Core of the present invention aims to provide one and has surpassed weight-balancing device, and this device has the performance of remarkable increase crane amplitude variation or rotating stability, and dismounting is simple, saves human and material resources.Another core of the present invention aims to provide a kind of above-mentioned hoisting crane that has surpassed weight-balancing device that comprises.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2 to Fig. 6, Fig. 2 is the structural representation that has surpassed a kind of detailed description of the invention of weight-balancing device provided by the present invention; Fig. 3 is the schematic side view that has surpassed weight-balancing device shown in Fig. 2; Fig. 4 has surpassed weight-balancing device to take off the connection diagram having surpassed after counterweight tray shown in Fig. 2; Fig. 5 has surpassed weight-balancing device shown in Fig. 2 to take off the structural representation of the connection diagram after counterbalanced weight arm-tie; Fig. 6 is the exploded view that has surpassed the Assembly of pin of weight-balancing device shown in Fig. 2.
In a kind of detailed description of the invention, hoisting crane provided by the present invention surpassed weight-balancing device, comprise and surpassed counterweight tray 11 and derricking device for counterweight 12, also comprise Assembly of pin 14, described Assembly of pin 14 comprises center shaft 141 and is set in the axle sleeve 142 of described center shaft 141, derricking device for counterweight 141 is rigidly connected with axle sleeve 142, has surpassed counterweight tray 11 by being connected with the center shaft 141 that is placed on axle sleeve 142 outsides with its rigidly connected first connecting panel 17.
The derricking device for counterweight 12 having surpassed in weight-balancing device of the present invention directly connects by Assembly of pin 14 and has surpassed rigidly connected the first connecting panel 17 of counterweight tray 11, by derricking device for counterweight 12 with surpassed counterweight tray 11 without being connected through other attaching partss, be conducive to derricking device for counterweight 12 by luffing force transmission to having surpassed counterbalanced weight, the resistance of luffing while having reduced work, increase the stability of crane amplitude variation, and when crane rotation, surpass the revolution force of inertia that counterbalanced weight produces and can be directly passed to luffing device, avoid having surpassed counterbalanced weight rocks in plane of rotation, reduce the harm to hoisting crane.
Further, surpassed weight-balancing device and also comprised counterbalanced weight arm-tie 15, described counterbalanced weight arm-tie 15 is by being arranged at transition arm-tie 13 connecting bushings 142 of its end.
When hoisting crane work, the pulling force of counterbalanced weight arm-tie 15 passes to combination bearing pin 14 by the transition arm-tie 13 of its end, balance has surpassed the gravity of counterbalanced weight, easy to connect, and transition arm-tie 13 is connected on axle sleeve 142, when carrying out the heavy arm-tie 15 of shifting balance while operating, derricking device for counterweight 12 directly can be positioned over and surpass having surpassed on counterbalanced weight in counterweight tray 11, then make counterbalanced weight arm-tie 15 be connected with transition arm-tie 13 to disconnect to complete (as shown in Figure 5).Whole working process does not need whipline to complete, simple to operate, has saved greatly manpower, financial resources.
And, when hoisting crane carries out short range transition or has surpassed zero counterweight work, can make to have surpassed counterweight tray 11 and throw off (as shown in Figure 4) by taking out center shaft 141, derricking device for counterweight 12 is still connected on counterbalanced weight arm-tie 15 by the axle sleeve 142 of Assembly of pin 14, now, the power of counterbalanced weight arm-tie 15 acts directly on axle sleeve 142, passes to derricking device for counterweight 12 by axle sleeve 142, be fixed in situ, easy to operate.
Particularly, the above-mentioned weight-balancing device that surpassed also comprises the link span 16 that is arranged at one end of described derricking device for counterweight 12 and is fixedly connected with it, described link span 16 comprises the first bar 162 and is arranged at second connecting panel 161 at the two ends of described the first bar 162, and described derricking device for counterweight 12 connects described axle sleeve 142 by the second connecting panel 161 described in two.
Link span 16 is set to be not only convenient to derricking device for counterweight 12, to have surpassed the connection between counterweight tray 11 and transition arm-tie 13 threes, also help the stable delivery of luffing power of derricking device for counterweight 12 to having surpassed counterbalanced weight, reduce to have surpassed rocking of counterbalanced weight, be conducive to the steady of hoisting crane work.
Particularly, the concrete structure of the link span 16 of derricking device for counterweight 12 one end can be designed as the structure shown in Fig. 2, the second connecting panel 161 can be U-shaped structure, comprise two walls and the diapire that is connected described two walls, diapire is arranged on the end of the first bar 162, can be to be fixedly connected with for example welding connecting mode, also can be to be flexibly connected, for example hinged; The sidewall of the second connecting panel 161 is respectively arranged with the through hole coordinating with axle sleeve 141, and axle sleeve 142 is arranged in above-mentioned through hole.
Axle sleeve 142 can be nested in respectively the both ends of above-mentioned center shaft 141, and Assembly of pin 14 connects two walls by the axle sleeve 142 at two ends; Transition arm-tie 13 is connected with the axle sleeve 142 at two ends, has surpassed counterweight tray 11 and has been connected in described in two on the center shaft 141 between wall.
The two ends of above-mentioned Assembly of pin 14 are all connected with the second connecting panel 161, the reliability of this connection mode is more intense, relative position between each parts is relatively stable, be not easy to shake, increase the stability of hoisting crane work, and it is stressed even to be conducive to Assembly of pin 14, extends its service life, reduces machine use cost.
It is pointed out that axle sleeve 142 is not necessarily sleeved on the end of center shaft 141, also can be sleeved on the middle part of center shaft 141, as long as can ensure the working strength of Assembly of pin 14, realize technique effect of the present invention.
Further, Assembly of pin 14 can also comprise the baffle plate 143 at the two ends that are set in described center shaft 141, and two baffle plates 143 lay respectively at the outside of two axle sleeves 142, and described baffle plate 143 is connected by registration device with the second connecting panel 161.
The outside of above-mentioned axle sleeve refers to: axle sleeve 142 is the outside of axle sleeve 142 near a side of the end of center shaft 141, and on the contrary, opposite side is exactly the inner side of axle sleeve 142.
Utilize baffle plate 143 that axle sleeve 142 is fixed on the second connecting panel 161, while preventing hoisting crane work or pull-out center shaft 141, axle sleeve 142 moves axially, and has increased the connection reliability of transition arm-tie 13 with axle sleeve 142, further ensures to have surpassed the job security of weight-balancing device.
Obviously, the second connecting panel 161 is not unique with the shape of transition arm-tie 13, correspondingly, the installation site of baffle plate 143 on Assembly of pin 14 neither be unique, for example: transition arm-tie 13 opening sizes are larger along the axial width dimensions of Assembly of pin 14 than two walls of the second connecting panel 161, when the second connecting panel 161 is arranged on the inside of transition arm-tie 13, baffle plate 143 can be arranged on axle sleeve 142 inner sides, utilizes registration device baffle plate 143 to be fixed on the inwall of wall of the second connecting panel 161.No matter take which kind of design, as long as can realize above-mentioned technique effect, and work safety, reliably.
Particularly, registration device can comprise the flange part of the lateral wall that is fixedly installed in the second connecting panel 161, and as shown in Figure 6, flange part and baffle plate 143 are respectively arranged with the locating dowel pin and the pin-and-hole that match.
This locate mode is fairly simple, easily operation.
Particularly, locating dowel pin can be double-screw bolt, and the double-screw bolt of proper height is set in the sidewall surfaces of the second connecting panel 161, and baffle plate 143 is bolted on described the second connecting panel 161.
Bolt connects not only simple, and reliable.
The axial location mode that it is pointed out that axle sleeve 142 is not limited only to above-mentioned baffle plate 143 modes, also can outside boss be set at the edge of an end face of axle sleeve 142, utilizes registration device that boss and the second connecting panel 161 are linked together.
The inside of the derricking device for counterweight 12 of hoisting crane arranges oil cylinder, utilize oil cylinder to stretch along its length and realize the luffing that has surpassed weight-balancing device, meet crane hanging component requirements of one's work, oil cylinder is flexible can produce certain impact to derricking device for counterweight 12, transition connecting plate 13 and the connection that has surpassed counterweight tray 11, not only can make each parts rotate relative to Assembly of pin 14, and have faint play along the axial direction of Assembly of pin 14.
As shown in Figure 6, Assembly of pin 14 can also comprise spring clamp 144 further, and one end of center shaft 141 radially offers along it through hole matching with spring clamp 144.
Spring clamp 144 can limit the axial location of center shaft 141, prevents that luffing from causing the end float misalignment of center shaft 141, ensures to have surpassed the normal work of counterbalanced weight and the personal safety of operating personal.And spring clamp 144 quality are smaller, take up room smaller, and simple in structure, locate reliable, easy to operate, can save the operating time.
Assembly of pin 14 can also comprise handle 145, and handle 145 connects an end face of center shaft 141, and handle 145 can be fastened on the end face of center shaft 141 by welding or bolt, and mounting knob 145 is convenient to installation and the dismounting of center shaft 141.
The present invention also provides a kind of hoisting crane, and this hoisting crane has the above-mentioned weight-balancing device that surpassed.Because the weight-balancing device that surpassed of above-mentioned hoisting crane has above-mentioned technique effect, there is this hoisting crane that has surpassed weight-balancing device and also should there is corresponding technique effect.
Please refer to Fig. 7, Fig. 7 is the structural representation of a kind of detailed description of the invention of crawler crane provided by the present invention.
Particularly, above-mentioned hoisting crane can be crawler crane, and the structure of other parts of this crawler crane please refer to prior art, repeats no more herein.
It is pointed out that the interior and outer noun of locality such as grade is herein to define with the position of the relative present position of each parts in Fig. 2 to Fig. 6, just in order to express easily, scheme is easier to understand.Should be appreciated that the noun of locality adopting should not limit the protection domain of this patent herein.
Above to a kind of hoisting crane provided by the present invention and surpassed weight-balancing device and be described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
- A hoisting crane surpassed weight-balancing device, comprise and surpassed counterweight tray (11) and derricking device for counterweight (12), it is characterized in that, also comprise Assembly of pin (14), described Assembly of pin (14) comprises center shaft (141) and is set in the axle sleeve (142) of described center shaft (141), described derricking device for counterweight (12) is rigidly connected with described axle sleeve (142), the described counterweight tray (11) that surpassed is connected by the described center shaft (141) outside with being placed on described axle sleeve (142) with its rigidly connected first connecting panel (17).
- Hoisting crane as claimed in claim 1 surpassed weight-balancing device, it is characterized in that, also comprise counterbalanced weight arm-tie (15), described counterbalanced weight arm-tie (15) connects described axle sleeve (142) by the transition arm-tie (13) that is arranged at its end.
- Hoisting crane as claimed in claim 2 surpassed weight-balancing device, it is characterized in that, also comprise the link span (16) that is arranged at one end of described derricking device for counterweight (12) and be fixedly connected with it, described link span (16) comprises the first bar (162) and is arranged at second connecting panel (161) at the two ends of described the first bar (162), and described derricking device for counterweight (12) connects described axle sleeve (142) by the second connecting panel (161) described in two.
- Hoisting crane as claimed in claim 3 surpassed weight-balancing device, it is characterized in that, described the second connecting panel (161) is U-shaped structure, comprise two walls, described in two, wall is provided with through hole coaxial and that coordinate with described axle sleeve (142), and described Assembly of pin (14) is by wall described in described axle sleeve (142) connection two at the both ends of described center shaft (141); Described the first connecting panel (17) is connected on the described center shaft (141) between wall described in two.
- Hoisting crane as claimed in claim 4 surpassed weight-balancing device, it is characterized in that, described Assembly of pin (14) also comprises the baffle plate (143) at the two ends that are set in described center shaft (141), and described baffle plate (143) is positioned at the outside of axle sleeve described in two (142), and described baffle plate (143) is connected by registration device with described the second connecting panel (161).
- Hoisting crane as claimed in claim 5 surpassed weight-balancing device, it is characterized in that, described registration device comprises the double-screw bolt of the lateral wall that is arranged at described the second connecting panel (161), and described baffle plate (143) is provided with the through hole matching with described double-screw bolt.
- Hoisting crane as claimed in claim 6 surpassed weight-balancing device, it is characterized in that, described Assembly of pin (14) also comprises spring clamp, and one end of described center shaft (141) radially offers along it through hole matching with described spring clamp.
- Hoisting crane as claimed in claim 7 surpassed weight-balancing device, it is characterized in that, described Assembly of pin (14) also comprises handle, described handle connects an end face of described center shaft (141).
- 9. a hoisting crane, comprise mast mechanism and be connected with described mast mechanism surpassed weight-balancing device, it is characterized in that, the described weight-balancing device that surpassed is the weight-balancing device that surpassed described in claim 1 to 8 any one.
- 10. hoisting crane as claimed in claim 9, is characterized in that, is specially crawler crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010578245.4A CN102530746B (en) | 2010-12-07 | 2010-12-07 | Crane and superlift counterweight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010578245.4A CN102530746B (en) | 2010-12-07 | 2010-12-07 | Crane and superlift counterweight device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102530746A CN102530746A (en) | 2012-07-04 |
| CN102530746B true CN102530746B (en) | 2014-07-23 |
Family
ID=46338991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010578245.4A Active CN102530746B (en) | 2010-12-07 | 2010-12-07 | Crane and superlift counterweight device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102530746B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071712A (en) * | 2014-07-10 | 2014-10-01 | 太原重工股份有限公司 | Large-tonnage crawler crane |
| CN104495646A (en) * | 2014-12-31 | 2015-04-08 | 徐州建机工程机械有限公司 | Novel tower crane balance arm pull rod structure |
| CN104828688B (en) * | 2015-01-09 | 2018-11-23 | 中国核工业二三建设有限公司 | It is a kind of for assisting the tool and its application method of traveling hoist super-starting balance weight |
| CN105584941B (en) * | 2016-02-29 | 2017-06-30 | 浙江三一装备有限公司 | A kind of truss arm reducing machine and crawler crane |
| CN110068467B (en) * | 2019-05-30 | 2023-12-19 | 广西玉柴机器股份有限公司 | Universal loading test counterweight bracket |
| CN116969351A (en) * | 2023-09-14 | 2023-10-31 | 徐工集团工程机械股份有限公司建设机械分公司 | Lifting equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945393A2 (en) * | 1998-03-27 | 1999-09-29 | Manitowoc Crane Group, Inc. | Four track crawler crane |
| CN1718529A (en) * | 2004-07-07 | 2006-01-11 | 日立住友重机械建机起重机株式会社 | Weight device for building machinery |
| CN201092512Y (en) * | 2007-09-14 | 2008-07-30 | 天津二十冶建设有限公司 | Sling used for lifting large-scale mill housing |
| CN201292224Y (en) * | 2008-11-25 | 2009-08-19 | 上海三一科技有限公司 | Movable weight counterbalance apparatus of crawler crane |
| CN101746677A (en) * | 2008-12-09 | 2010-06-23 | 徐州重型机械有限公司 | Crane |
| CN201907942U (en) * | 2010-12-07 | 2011-07-27 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and superlift counterweight device thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002137892A (en) * | 2000-11-06 | 2002-05-14 | Hitachi Constr Mach Co Ltd | Counterweight hoist |
-
2010
- 2010-12-07 CN CN201010578245.4A patent/CN102530746B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945393A2 (en) * | 1998-03-27 | 1999-09-29 | Manitowoc Crane Group, Inc. | Four track crawler crane |
| CN1718529A (en) * | 2004-07-07 | 2006-01-11 | 日立住友重机械建机起重机株式会社 | Weight device for building machinery |
| CN201092512Y (en) * | 2007-09-14 | 2008-07-30 | 天津二十冶建设有限公司 | Sling used for lifting large-scale mill housing |
| CN201292224Y (en) * | 2008-11-25 | 2009-08-19 | 上海三一科技有限公司 | Movable weight counterbalance apparatus of crawler crane |
| CN101746677A (en) * | 2008-12-09 | 2010-06-23 | 徐州重型机械有限公司 | Crane |
| CN201907942U (en) * | 2010-12-07 | 2011-07-27 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and superlift counterweight device thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-137892A 2002.05.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102530746A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102530746B (en) | Crane and superlift counterweight device | |
| CN104876106A (en) | Engine flywheel sling | |
| CN202542494U (en) | Bucket wheel mechanism and bucket wheel stacker-reclaimer | |
| CN201907942U (en) | Crane and superlift counterweight device thereof | |
| CN102963825B (en) | Crane and balancing weight hooking device thereof | |
| CN202369286U (en) | Auxiliary installation device, rotary rod piece and crane | |
| CN102229414B (en) | Crane and counterweight block thereof | |
| CN202483439U (en) | Counter-weight self-assembly and self-disassembly device for rotary drilling rig | |
| CN103663126B (en) | A kind of detachable suspension hook group of hydraulic hoisting machine and the hoisting crane with this suspension hook group | |
| CN201962003U (en) | Crawling crane and derricking device for counterweight of same | |
| CN203715073U (en) | Detachable lifting hook group for hydraulic hoist and crane with lifting hook group | |
| CN102659041B (en) | Engineering machinery | |
| CN203248599U (en) | Counterweight self-detached structure of rotary drilling rig and rotary drilling rig | |
| CN103867558A (en) | Hinge apparatus | |
| CN212222262U (en) | Balanced heavy display structure and hoist that articulates | |
| CN208440206U (en) | A kind of reassembling type hand-barring | |
| CN202369291U (en) | Winch mounting structure of automobile crane | |
| CN207684707U (en) | A kind of load steel structure of lifting machine | |
| CN202416416U (en) | Pulley yoke mechanism and continuous wall grab bucket | |
| CN204643656U (en) | Support roller device and hoisting crane | |
| CN202829517U (en) | Arm frame and engineering machinery with arm frame | |
| CN202379625U (en) | telescopic boom crane | |
| CN202914041U (en) | Rotary drilling rig counterweight capable of being automatically dismantled | |
| CN201991873U (en) | Telescoping mechanism and engineering equipment comprising same | |
| CN204661212U (en) | Luffing assembly pulley and dynamic compaction machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |