CN102295237B - Crane with a movable crane - Google Patents
Crane with a movable crane Download PDFInfo
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- CN102295237B CN102295237B CN 201110263947 CN201110263947A CN102295237B CN 102295237 B CN102295237 B CN 102295237B CN 201110263947 CN201110263947 CN 201110263947 CN 201110263947 A CN201110263947 A CN 201110263947A CN 102295237 B CN102295237 B CN 102295237B
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- 230000008093 supporting effect Effects 0.000 claims abstract description 82
- 230000004308 accommodation Effects 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 239000010687 lubricating oil Substances 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009184 walking Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention provides a crane which comprises a front vehicle (100) and a counterweight vehicle (200), wherein a connecting beam (300) is connected between the upper vehicle of the front vehicle (100) and the upper vehicle of the counterweight vehicle (200), the front vehicle (100) comprises a front vehicle frame (101), a front rotary table (103), a front center rotary support (104) and a peripheral support, the front center rotary support (104) is arranged between the front vehicle frame (101) and the front rotary table (103) to enable the front rotary table (103) to rotate relative to the front vehicle frame (101), and the peripheral support is arranged between the front vehicle frame (101) and the front rotary table (103) and is positioned around the front center rotary support (104). The front central slewing bearing and the peripheral bearing can provide huge supporting force and anti-rollover capacity for the front vehicle to get on, so that the crane provided by the invention has better working stability and safety when performing large-scale operation.
Description
Technical field
The present invention relates to engineering machinery field, particularly, relate to a kind of hoisting crane.
Background technology
Existing crawler crane is when carrying out large-scale operation, as when transporting main equipment, adopt sometimes the mode of two crawler crane work compounds, namely adopted the mode of front truck (crawler crane of front) and rear car (crawler crane of back) combination operation, getting on the bus of front truck is connected by tie-beam with getting on the bus of rear car, and coming up by rear garage drives the upper-part rotation of front truck.Fig. 1 shows a kind of swing type mechanism between the getting on the bus and getting off of existing hoisting crane, this swing type mechanism comprises center pin 1 and a plurality of plane thrust bearings 2 that arrange around center pin 1, center pin 134 is connected with being connected with getting on the bus respectively, and getting on the bus 3 can be around center pin 1 revolution.The forward and backward car of existing hoisting crane all adopts above-mentioned swing type mechanism.Above-mentioned swing type mechanism is the friction-type revolution, and plane thrust bearing 2 easily is out of shape when subrange is subjected to unbalance loading, breaks down, and anti-side rollover resistant capability is poor, and the steering resistance square is large.
Summary of the invention
The purpose of this invention is to provide the strong hoisting crane of large, the anti-side rollover resistant capability of a kind of load-carrying capacity.
To achieve these goals, the invention provides a kind of hoisting crane, this hoisting crane comprises front truck and weight vehicle, described front truck get on the bus and the getting on the bus of described weight vehicle between be connected with tie-beam, wherein, described front truck comprises front vehicle frame, front turntable, the supporting of front center steering and periphery supporting, described front center steering supporting is arranged between described front vehicle frame and the described front turntable, make the described front turntable can be with respect to the rotation of described front vehicle frame, described periphery supporting be arranged between described front vehicle frame and the described front turntable and be positioned at that described front center steering supports around.
Preferably, described weight vehicle comprises rear vehicle frame, rear turntable and rear center's pivoting support, and described rear center pivoting support is arranged between described rear vehicle frame and the described rear turntable, and described rear turntable can be rotated with respect to described rear vehicle frame.
Preferably, described front center steering supporting comprises front the first rotating part, front the second rotating part and a plurality of front roller, described front the second rotating part is around described front the first rotating part setting, be formed with front spatial accommodation between the interior perimeter surface of the outer surface of described front the first rotating part and described front the second rotating part, described a plurality of front roller is installed in the described front spatial accommodation, in described front the first rotating part and front the second rotating part one is captiveed joint with described front vehicle frame, and another in described front the first rotating part and front the second rotating part captiveed joint with described front turntable; The first rotating part after described rear center pivoting support comprises, rear the second rotating part and a plurality of rear roller, the second rotating part is around the first rotating part setting after described after described, be formed with rear spatial accommodation between the interior perimeter surface of the outer surface of the first rotating part and described rear the second rotating part after described, described a plurality of rear roller is installed in the described rear spatial accommodation, after described in the first rotating part and rear the second rotating part one is captiveed joint with described rear vehicle frame, and another in described afterwards the first rotating part and rear the second rotating part captiveed joint with described rear turntable.
Preferably, described front roller circumferentially arranges three circles along described front the first rotating part and front the second rotating part, and roller lays respectively at the upper, middle and lower of described front the first rotating part and front the second rotating part before this three circle; Described rear roller after described the first rotating part and rear the second rotating part three circles circumferentially are set, behind this three circle roller lay respectively at described after the upper, middle and lower of the first rotating part and rear the second rotating part.
Preferably, the outer surface of the outer surface of described front the second rotating part and described rear the second rotating part is Non-tooth type.
Preferably, described periphery supporting comprises circular orbit and the supporting of ring rail, and described circular orbit is arranged on the described front vehicle frame, and described ring rail supporting is arranged on also can be along with described front turntable rolls along described circular orbit on the described circular orbit.
Preferably, described ring rail supports the bogie wheel that comprises support and be installed in described support bottom by supporting shaft.
Preferably, described support comprises first order equalizing bar, the middle part of this first order equalizing bar and described front turntable pivotal joint, there is the second stage equalizing bar both sides at the two ends of this first order equalizing bar respectively pivotal joint, the middle part of this second stage equalizing bar and described first order equalizing bar pivotal joint, and there is third stage equalizing bar at the two ends of this second stage equalizing bar respectively pivotal joint, the middle part of this third stage equalizing bar and described second stage equalizing bar pivotal joint, and the two ends of this third stage equalizing bar are separately installed with described bogie wheel.
Preferably, described bogie wheel is sleeved on the described supporting shaft, between described supporting shaft and the described bogie wheel antifriction-bearing box is installed.
Preferably, the outer end of described bogie wheel is connected with end cap, and this end cap is sleeved on the described supporting shaft, jointly forms the space with described supporting shaft and bogie wheel, and described antifriction-bearing box is arranged in described space.
Preferably, be provided with the first grommet type seals between described supporting shaft and the described bogie wheel, be provided with the second grommet type seals between described supporting shaft and the described end cap.
Preferably, described ring rail supporting is two, and these two ring rails are bearing on the described circular orbit symmetrical.
Preferably, described tie-beam is connected between the rear turntable of the front turntable of described front truck and described weight vehicle.
Can provide huge bearing force and anti-side rollover resistant capability for getting on the bus of front truck by above-mentioned front center steering supporting and periphery supporting, thereby make hoisting crane provided by the invention when carrying out large-scale operation, possess preferably stable working and safety.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of specification sheets, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the swing type mechanism between the getting on the bus and getting off of existing hoisting crane;
Fig. 2 is the structural representation of hoisting crane provided by the invention;
Fig. 3 is that the master of part-structure of the front truck of hoisting crane provided by the invention looks schematic diagram;
Fig. 4 is the schematic top plan view of removing the above part of front turntable of the front truck of hoisting crane provided by the invention;
Fig. 5 is the structural representation that the front center steering of the front truck of hoisting crane provided by the invention supports;
Fig. 6 is that the master that the ring rail of the front truck of hoisting crane provided by the invention supports looks schematic diagram;
Fig. 7 is the schematic top plan view that the ring rail of the front truck of hoisting crane provided by the invention supports;
Fig. 8 is the cutaway view of cutting open along A-A line among Fig. 6;
Fig. 9 is the structural representation of rear center's pivoting support of the weight vehicle of hoisting crane provided by the invention.
Description of reference numerals
1: center pin; 2: the plane thrust bearing; 3: get on the bus; 4: get off; 100: front truck; 200: weight vehicle; 300: tie-beam; 101: front vehicle frame; 201: rear vehicle frame; 102: circular orbit; 103: front turntable; 203: rear turntable; 104: front center steering supporting; 204: rear heart pivoting support; 105: the supporting of ring rail; 106: front the first rotating part; 206: rear the first rotating part; 107: front the second rotating part; 207: rear the second rotating part; 108: front roller; 208: rear roller; 109: pin; 209: counterweight; 110: front lubricating oil interface; 210: rear lubricating oil interface; 122: the lubricating oil interface; 111: support; 112: supporting shaft; 113: bogie wheel; 114: first order equalizing bar; 115: second stage equalizing bar; 116: third stage equalizing bar; 117: antifriction-bearing box; 118: end cap; Grommet type seals in 119: the first; Grommet type seals in 120: the second; 121: the space; 123: cone spacer; 124: outer ring spacer; 125: jam nut; 126: stop washer; 127: holding tank; 128: front crawler belt; 228: rear crawler belt.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
Extremely shown in Figure 4 such as Fig. 2, the invention provides a kind of hoisting crane, this hoisting crane comprises front truck 100 and weight vehicle 200, described front truck 100 get on the bus and the getting on the bus of described weight vehicle 200 between be connected with tie-beam 300, wherein, described front truck 100 comprises front vehicle frame 101, front turntable 103, front center steering supporting 104 and periphery supporting, described front center steering supporting 104 is arranged between described front vehicle frame 101 and the described front turntable 103, make the described front turntable 103 can be with respect to 101 rotations of described front vehicle frame, described periphery supporting be arranged between described front vehicle frame 101 and the described front turntable 103 and be positioned at described front center steering support 104 around.
Can provide huge bearing force and anti-side rollover resistant capability for getting on the bus of front truck 100 by above-mentioned front center steering supporting 104 and periphery supporting, thereby make hoisting crane provided by the invention when carrying out large-scale operation, possess preferably stable working and safety.
Support 104 load-carrying capacity and reduce friction drag in order to improve front center steering, as shown in Figure 5, preferably, described front center steering supporting 104 comprises front the first rotating part 106, front the second rotating part 107 and a plurality of front roller 108, described front the second rotating part 107 arranges around described front the first rotating part 106, be formed with front spatial accommodation (not shown) between the interior perimeter surface of the outer surface of described front the first rotating part 106 and described front the second rotating part 107, described a plurality of front roller 108 is installed in the described front spatial accommodation, in described front the first rotating part 106 and front the second rotating part 107 one is captiveed joint with described front vehicle frame 101, and another in described front the first rotating part 106 and front the second rotating part 107 captiveed joint with described front turntable 103.In embodiment shown in Figure 5, front the first rotating part 106 is captiveed joint with the base plate of front turntable 103, and front the second rotating part 107 is captiveed joint with the cover plate of front vehicle frame 101.Front the first rotating part 106 can take various suitable modes to captive joint the mode that for example is fastenedly connected with front turntable 103.Front the second rotating part 107 can take various suitable modes to captive joint the mode that for example is fastenedly connected with front vehicle frame 101.
In order to improve the harmony of front center steering supporting 104, preferably, described a plurality of front rollers 108 circumferentially evenly distribute along described front the first rotating part 106 and front the second rotating part 107.
For expendable weight and convenient heat radiation, front the first rotating part 106 is generally tubular.The outer surface of described front the second rotating part 107 can be for having tooth-like or Non-tooth type.For convenient processing, preferably, the outer surface of described front the second rotating part 107 is (level and smooth) of Non-tooth type.As selection, the outer surface of described front the second rotating part 107 also can be tooth-like for having, and to be connected with rotary decelerating mechanism, turns round thereby can drive front center steering supporting 104 by weight vehicle and rotary decelerating mechanism simultaneously.
In order to provide lubricated to the front roller 108 in the front spatial accommodation easily, to reduce steering resistance, preferably, be provided with the front lubricating oil interface 110 that communicates with described front spatial accommodation on described front the first rotating part 106 and/or described front the second rotating part 107.In embodiment shown in Figure 5, front lubricating oil interface 110 is arranged on the interior perimeter surface of front the first rotating part 106.
As shown in Figure 3 and Figure 4, according to one embodiment of the present invention, described periphery supporting comprises circular orbit 102 and ring rail supporting 105, described circular orbit 102 is arranged on the described front vehicle frame 101, and described ring rail supporting 105 is arranged on the described circular orbit 102 and can rolls along described circular orbit 102 along with described front turntable 103.
Particularly, described ring rail supporting 105 comprises support 111 and is installed in the bogie wheel 113 of described support 111 bottoms by supporting shaft 112.
In order to improve the bearing capacity of ring rail supporting 105, preferably, described bogie wheel 113 mounted in pairs are in the both sides of described third stage equalizing bar 116.
Bogie wheel 113 is installed by supporting shaft 112, and as shown in Figure 8, particularly, bogie wheel 113 is sleeved on the supporting shaft 112, and supporting shaft 112 is fixed on the third stage equalizing bar 116.Supporting shaft 112 can take various suitable modes to be fixed on the third stage equalizing bar 116, for example by pin 109.The various parts that make things convenient for bogie wheel 113 to rotate with respect to supporting shaft 112 can be set, for example axle sleeve or antifriction-bearing box between bogie wheel 113 and supporting shaft 112.In order to reduce the rotation friction of bogie wheel 113, preferably, between described supporting shaft 112 and the described bogie wheel 113 antifriction-bearing box 117 is installed.The number of antifriction-bearing box 117 can be selected according to the demand to load-carrying capacity, in embodiment shown in Figure 8, antifriction-bearing box 117 is two, and cone spacer 123 and outer ring spacer 124 are installed between two antifriction-bearing boxs 117, to locate the Internal and external cycle of two antifriction-bearing boxs 117.In addition, can be by jam nut 125 and stop washer 126 with antifriction-bearing box 117 lockings, with the fixing position of antifriction-bearing box 117.
Preferably, the outer end of described bogie wheel 113 is connected with end cap 118, and this end cap 118 is sleeved on the described supporting shaft 112, and with described supporting shaft 112 and the bogie wheel 113 common spaces 121 that form, described antifriction-bearing box 117 is arranged in described space 121.Like this, can prevent that dust from entering antifriction-bearing box 117, and end cap 118 can form the spaces 121 that make things convenient for antifriction-bearing box 117 to lubricate jointly with supporting shaft 112 and bogie wheel 113.End cap 118 can take various suitable modes to be connected the mode that for example is fastenedly connected with the outer end of bogie wheel 113.
In order to improve the sealing property in space 121, preferably, be provided with the first grommet type seals 119 between described supporting shaft 112 and the described bogie wheel 113, be provided with the second grommet type seals 120 between described supporting shaft 112 and the described end cap 118.
In order easily antifriction-bearing box 117 to be lubricated, preferably, be provided with the lubricating oil interface 122 that communicates with described space 121 on the described supporting shaft 112.
The number of ring rail supporting 105 can be selected according to supporting capacity and the anti-side rollover resistant capability of car load.As shown in Figure 4, according to one embodiment of the present invention, described ring rail supporting 105 is two, and these two ring rail supportings 105 are symmetrical on described circular orbit 102.
Weight vehicle 200 can adopt various suitable swing type mechanisms, according to one embodiment of the present invention, described weight vehicle 200 comprises rear vehicle frame 201, rear turntable (counter weight base) 203 and rear center's pivoting support 204, described rear center pivoting support 204 is arranged between described rear vehicle frame 201 and the described rear turntable 203, and described rear turntable 203 can be rotated with respect to described rear vehicle frame 201.
The structure of the structure of rear center's pivoting support 204 and front center steering supporting 104 is similar, and the below will be described in detail rear center's pivoting support 204.
For the load-carrying capacity that improves rear center's pivoting support 204 and reduce friction drag, as shown in Figure 9, preferably, the first rotating part 206 after described rear center pivoting support 204 comprises, rear the second rotating part 207 and a plurality of rear roller 208, the second rotating part 207 arranges around the first rotating part 206 after described after described, be formed with rear spatial accommodation (not shown) between the interior perimeter surface of the outer surface of the first rotating part 206 and described rear the second rotating part 207 after described, described a plurality of rear roller 208 is installed in the described rear spatial accommodation, after described in the first rotating part 206 and rear the second rotating part 207 one is captiveed joint with described rear vehicle frame 201, and another in described afterwards the first rotating part 206 and rear the second rotating part 207 captiveed joint with described rear turntable 203.In embodiment shown in Figure 9, rear the first rotating part 206 is captiveed joint with the base plate of rear turntable 203, and rear the second rotating part 207 is captiveed joint with the cover plate of rear vehicle frame 201.Rear the first rotating part 206 can take various suitable modes to captive joint the mode that for example is fastenedly connected with rear turntable 203.Rear the second rotating part 207 can take various suitable modes to captive joint the mode that for example is fastenedly connected with rear vehicle frame 201.
In order to improve the harmony of rear center's pivoting support 204, preferably, described a plurality of rear rollers 208 circumferentially evenly distribute along described rear the first rotating part 206 and rear the second rotating part 207.
Rear roller 208 can enclose or multi-turns along the circle, two that circumferentially arranges of rear the first rotating part 206 and rear the second rotating part 207.In order to improve the stability of rotation of rear center's pivoting support 204, preferably, described rear roller 208 after described the first rotating part 206 and rear the second rotating part 207 three circles circumferentially are set, behind this three circle roller 208 lay respectively at described after the upper, middle and lower of the first rotating part 206 and rear the second rotating part 207.The size of roller 208 can be identical behind three circles, also can be not identical.For example, as required, roller 208 behind upper and lower two circles can be set to identical, and the size of rear roller 208 that makes the middle part than upper and lower two circles after the size of roller 208 little.
For expendable weight and convenient heat radiation, rear the first rotating part 206 is generally tubular.The outer surface of the second rotating part 207 can be for having tooth-like or Non-tooth type after described.For convenient processing, preferably, the outer surface of described rear the second rotating part 207 is (level and smooth) of Non-tooth type.
In order to provide lubricated to the rear roller 208 in the rear spatial accommodation easily, to reduce friction drag, preferably, be provided with the rear lubricating oil interface 210 that communicates with described rear spatial accommodation on described rear the first rotating part 206 and/or described rear the second rotating part 207.In embodiment shown in Figure 9, rear lubricating oil interface 210 is arranged on the interior perimeter surface of rear the first rotating part 206.
The structure of the other parts of weight vehicle 200 is conventionally known to one of skill in the art, for example on the rear turntable 203 counterweight 209 can also be installed.
Described tie-beam 300 is connected between the rear turntable 203 of the front turntable 103 of described front truck 100 and described weight vehicle 200 usually.Tie-beam 300 is generally telescopic, to make things convenient for front truck 100 and weight vehicle 200 walkings.Tie-beam 300 can be taked various suitable modes and front turntable 103 and be connected turntable 203 and be connected, and for example passes through bearing pin.
Can take various lubricating systems to provide lubricated to front center steering supporting 104 of the present invention, rear center's pivoting support 204 and ring rail supporting 105, for example automatic centralized lubrication system.
The structure of the other parts of hoisting crane provided by the invention (for example front vehicle frame 101, rear vehicle frame 201, front turntable 103, rear turntable 203) is conventionally known to one of skill in the art, does not repeat them here.
Hoisting crane provided by the invention is particularly useful for crawler crane, and the both sides of described front vehicle frame 101 also are provided with front crawler belt 128, and the both sides of described rear vehicle frame 201 also are provided with rear crawler belt 228.
The working process of hoisting crane provided by the invention is described below in conjunction with accompanying drawing.
To shown in Figure 8, when front truck 100 need to turn round operation, front truck 100 was motionless such as Fig. 2, and weight vehicle 200 is turned around front truck 100 and walked, thereby realized the revolution of getting on the bus of front truck 100; Perhaps front truck 100 and weight vehicle 200 carry out the cross walking, thereby realize the revolution of getting on the bus of front truck 100.As seen, the rotary driving force of getting on the bus of front truck 100 provides by weight vehicle 200.When the upper-part rotation of front truck 100, front first rotating part 106 of front center steering supporting 104 is in company with the together revolution of getting on the bus, realize the stable revolution of getting on the bus by front roller 108, and ring rail supporting 105 can roll along circular orbit 102 in company with upper-part rotation, prevent from getting on the bus and turn on one's side.As seen, can provide huge bearing force and anti-side rollover resistant capability for getting on the bus of front truck 100 by above-mentioned front center steering supporting 104 and periphery supporting, thereby make hoisting crane provided by the invention when carrying out large-scale operation, possess preferably stable working and safety.
Below describe by reference to the accompanying drawings preferred implementation of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. hoisting crane, it is characterized in that, this hoisting crane comprises front truck (100) and weight vehicle (200), described front truck (100) get on the bus and the getting on the bus of described weight vehicle (200) between be connected with tie-beam (300), described front truck (100) comprises front vehicle frame (101), front turntable (103), front center steering supporting (104) and periphery supporting, described front center steering supporting (104) is arranged between described front vehicle frame (101) and the described front turntable (103), described front turntable (103) can be rotated with respect to described front vehicle frame (101), described periphery supporting be arranged between described front vehicle frame (101) and the described front turntable (103) and be positioned at described front center steering supporting (104) around, described periphery supporting comprises circular orbit (102) and ring rail supporting (105), described circular orbit (102) is arranged on the described front vehicle frame (101), described ring rail supporting (105) is arranged on described circular orbit (102) upward and can be along with described front turntable (103) rolls along described circular orbit (102), described ring rail supporting (105) comprises support (111) and is installed in the bogie wheel (113) of described support (111) bottom by supporting shaft (112), described support (111) comprises first order equalizing bar (114), the middle part of this first order equalizing bar (114) and described front turntable (103) pivotal joint, there is second stage equalizing bar (115) both sides at the two ends of this first order equalizing bar (114) respectively pivotal joint, the middle part of this second stage equalizing bar (115) and described first order equalizing bar (114) pivotal joint, and there is third stage equalizing bar (116) at the two ends of this second stage equalizing bar (115) respectively pivotal joint, the middle part of this third stage equalizing bar (116) and described second stage equalizing bar (115) pivotal joint, and the two ends of this third stage equalizing bar (116) are separately installed with described bogie wheel (113).
2. hoisting crane according to claim 1, it is characterized in that, described weight vehicle (200) comprises rear vehicle frame (201), rear turntable (203) and rear center's pivoting support (204), described rear center pivoting support (204) is arranged between described rear vehicle frame (201) and the described rear turntable (203), and described rear turntable (203) can be rotated with respect to described rear vehicle frame (201).
3. hoisting crane according to claim 2, it is characterized in that, described front center steering supporting (104) comprises front the first rotating part (106), front the second rotating part (107) and a plurality of front roller (108), described front the second rotating part (107) arranges around described front the first rotating part (106), be formed with front spatial accommodation between the interior perimeter surface of the outer surface of described front the first rotating part (106) and described front the second rotating part (107), described a plurality of front rollers (108) are installed in the described front spatial accommodation, in described front the first rotating part (106) and front the second rotating part (107) one is captiveed joint with described front vehicle frame (101), and another in described front the first rotating part (106) and front the second rotating part (107) captiveed joint with described front turntable (103); The first rotating part (206) after described rear center pivoting support (204) comprises, rear the second rotating part (207) and a plurality of rear roller (208), the second rotating part (207) arranges around the first rotating part (206) after described after described, be formed with rear spatial accommodation between the interior perimeter surface of the outer surface of the first rotating part (206) and described rear the second rotating part (207) after described, described a plurality of rear rollers (208) are installed in the described rear spatial accommodation, after described in the first rotating part (206) and rear the second rotating part (207) one is captiveed joint with described rear vehicle frame (201), and another in described afterwards the first rotating part (206) and rear the second rotating part (207) captiveed joint with described rear turntable (203).
4. hoisting crane according to claim 3, it is characterized in that, described front roller (108) circumferentially arranges three circles along described front the first rotating part (106) and front the second rotating part (107), and roller (108) lays respectively at the upper, middle and lower of described front the first rotating part (106) and front the second rotating part (107) before this three circle; Described rear roller (208) after described the first rotating part (206) and rear the second rotating part (207) three circles circumferentially are set, behind this three circle roller (208) lay respectively at described after the upper, middle and lower of the first rotating part (206) and rear the second rotating part (207).
5. hoisting crane according to claim 3 is characterized in that, the outer surface of described front the second rotating part (107) and described after the outer surface of the second rotating part (207) be Non-tooth type.
6. hoisting crane according to claim 1 is characterized in that, described bogie wheel (113) is sleeved on the described supporting shaft (112), between described supporting shaft (112) and the described bogie wheel (113) antifriction-bearing box (117) is installed.
7. hoisting crane according to claim 6, it is characterized in that, the outer end of described bogie wheel (113) is connected with end cap (118), this end cap (118) is sleeved on the described supporting shaft (112), jointly form space (121) with described supporting shaft (112) and bogie wheel (113), described antifriction-bearing box (117) is arranged in described space (121).
8. hoisting crane according to claim 7, it is characterized in that, be provided with the first grommet type seals (119) between described supporting shaft (112) and the described bogie wheel (113), be provided with the second grommet type seals (120) between described supporting shaft (112) and the described end cap (118).
9. hoisting crane according to claim 1 is characterized in that, described ring rail supporting (105) is two, and these two ring rail supportings (105) are upper symmetrical at described circular orbit (102).
10. hoisting crane according to claim 2 is characterized in that, described tie-beam (300) is connected between the rear turntable (203) of the front turntable (103) of described front truck (100) and described weight vehicle (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263947 CN102295237B (en) | 2011-09-07 | 2011-09-07 | Crane with a movable crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263947 CN102295237B (en) | 2011-09-07 | 2011-09-07 | Crane with a movable crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102295237A CN102295237A (en) | 2011-12-28 |
| CN102295237B true CN102295237B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110263947 Active CN102295237B (en) | 2011-09-07 | 2011-09-07 | Crane with a movable crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253602B (en) * | 2012-02-15 | 2015-12-16 | 徐工集团工程机械股份有限公司 | The elevated super lifting device of crawler vehicle voluntarily and hoisting crane |
| CN102556855B (en) * | 2012-02-22 | 2014-02-12 | 徐工集团工程机械股份有限公司 | Deformable super-tonnage crawler crane and combining method thereof |
| CN103318777B (en) * | 2012-03-23 | 2015-06-24 | 徐工集团工程机械股份有限公司 | Connection device for front vehicle and rear vehicle of super-tonnage crane and crane |
| CN102659031B (en) * | 2012-04-25 | 2014-06-25 | 徐工集团工程机械股份有限公司 | Adjustable bogie support |
| CN103420276B (en) * | 2012-05-17 | 2015-04-29 | 徐工集团工程机械股份有限公司 | Combined turntable and crane |
| CN102745610B (en) * | 2012-07-13 | 2015-06-17 | 中联重科股份有限公司 | Rotary table front section, rotary table mechanism, double-crawler crane and splitting method thereof |
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