CN205367499U - Two roof beam hoists and play to rise platform truck thereof - Google Patents

Two roof beam hoists and play to rise platform truck thereof Download PDF

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Publication number
CN205367499U
CN205367499U CN201620098600.0U CN201620098600U CN205367499U CN 205367499 U CN205367499 U CN 205367499U CN 201620098600 U CN201620098600 U CN 201620098600U CN 205367499 U CN205367499 U CN 205367499U
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China
Prior art keywords
fixed pulley
pulley
lifting hook
fixed
commutation
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Expired - Fee Related
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CN201620098600.0U
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Chinese (zh)
Inventor
王历鑫
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Foshan Ou Sheng crane Technology Co., Ltd.
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王历鑫
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Priority to CN201620098600.0U priority Critical patent/CN205367499U/en
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Publication of CN205367499U publication Critical patent/CN205367499U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a two roof beam hoists and play to rise platform truck thereof, it includes the bogie frame to rise the platform truck, the bogie frame includes left spandrel girder and right spandrel girder, be equipped with hoisting mechanism on the bogie frame, hoisting mechanism includes first standing block, the second standing block, the third standing block, the fourth standing block, hook assembly, first standing block, the fourth standing block is arranged along controlling, the second assembly pulley, the third standing block is arranged along controlling, first standing block sets up along the front and back with the second standing block, the fourth standing block sets up along the front and back with the third standing block, all form the space of stepping down between first standing block and the second standing block and between third standing block and the fourth standing block, step down the space and can dodge hook assembly's from bottom to top's the motion of rising to rise. Can only the upward movement for current hook assembly to the hoisting mechanism of the below of standing block, the utility model discloses the limit height who plays to rise the load -lifting height of platform truck has obtained the improvement.

Description

A kind of double girder crane and the chassis that hoists thereof
Technical field
This utility model relates to a kind of double girder crane and the chassis that hoists thereof.
Background technology
Crane mainly has bridge crane and gantry crane, and bridge crane is applied in Factory Building more, and gantry crane is applied in the occasion of outdoor more.Crane generally comprises cart and dolly, and cart is provided with mean for the track of trolley travelling, and dolly includes trolley frame, which is provided with the lifting mechanism for handling weight.The mode that lifting mechanism is utilized on hoisting drum lay winding wire ropes more, also includes a certain amount of movable and fixed pulley group, also has lifting mechanism to adopt chain-type.
Chinese patent CN201729618U(authorized announcement date is 2011.02.02) disclose the fixed pulley beam assembly of a kind of bridge machine, it includes fixed pulley beam, fixed pulley group, running block, and running block is by steel wire rope and fixed pulley group active link.Running block is positioned at the underface of fixed pulley group, and the maximum height that can rise of running block is without the minimum point of height fixed pulley group, and due to the existence of pulley beam, running block is impossible to rise to the position of more than pulley beam lower surface.The arrangement of this assembly pulley can reduce the limiting altitude that hoists of crane.
Summary of the invention
The purpose of this utility model is to provide one and hoists chassis, to solve to use the arrangement of the movable and fixed pulley group of existing lifting mechanism so that the technical problem that the limiting altitude that hoists of crane is relatively low.This utility model also provides for a kind of double girder crane using this chassis that hoists simultaneously.
nullIn order to realize object above,The technical scheme of chassis of hoisting in this utility model is as follows: hoist chassis,Including bogie frame,Bogie frame includes left spandrel girder and the right spandrel girder that left and right be arranged in parallel,Bogie frame is provided with the lifting mechanism of Dual Drive,Described lifting mechanism includes the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group、Lifting hook pulley group,First fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group is arranged between left spandrel girder and right spandrel girder,First fixed pulley group、4th fixed pulley group is arranged in left-right direction,Second assembly pulley、3rd fixed pulley group is arranged in left-right direction,Described first fixed pulley group and the second fixed pulley group are arranged along the longitudinal direction,4th fixed pulley group and the 3rd fixed pulley group are arranged along the longitudinal direction,It is each formed with allowing bit space between described first fixed pulley group and the second fixed pulley group and between the 3rd fixed pulley group and the 4th fixed pulley group,Described bit space can the motion that hoists from bottom to top of described lifting hook pulley group be dodged,To prevent lifting hook pulley group from colliding the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、Any one in 4th fixed pulley group.
nullDescribed first fixed pulley group includes the first left fixed pulley being coaxially disposed、First right fixed pulley,Described second fixed pulley group includes the second left fixed pulley being coaxially disposed、Second right fixed pulley,Described 3rd fixed pulley group includes the 3rd left fixed pulley being coaxially disposed、3rd right fixed pulley,4th fixed pulley group includes the 4th left fixed pulley being coaxially disposed、4th right fixed pulley,Position between described first right fixed pulley and the 4th left fixed pulley is provided with the first commutation fixed pulley,Second left fixed pulley、Position between second right fixed pulley is provided with the second commutation fixed pulley,Position between 3rd left fixed pulley and the 3rd right fixed pulley is provided with the 3rd commutation fixed pulley,Lifting hook pulley group includes the first lifting hook pulley being coaxially set、Second lifting hook pulley、3rd lifting hook pulley、4th lifting hook pulley,First right fixed pulley、4th left fixed pulley、Second right fixed pulley、The pivot center of the 3rd left fixed pulley is all extend in left-right direction,Described first commutation fixed pulley、Second commutation fixed pulley、The pivot center of the 3rd commutation fixed pulley is all extend along the longitudinal direction,Corresponding chain or steel wire rope are when installing winding,Chain or steel wire rope are wrapped in the first left fixed pulley successively、First lifting hook pulley、Second left fixed pulley、Second commutation fixed pulley、Second right fixed pulley、Second lifting hook pulley、First right fixed pulley、First commutation fixed pulley、4th left fixed pulley、3rd lifting hook pulley、3rd left fixed pulley、3rd commutation fixed pulley、3rd right fixed pulley、4th lifting hook pulley、On 4th right fixed pulley,The two ends of chain or steel wire rope are drive end.
Described bogie frame is provided with the first driving mechanism, the second driving mechanism, and one end of chain or steel wire rope and the first driving mechanism are in transmission connection, and the other end and the second driving mechanism are in transmission connection.
Described lifting hook pulley group includes lifting hook pulley frame, and described first lifting hook pulley, the second lifting hook pulley, the 3rd lifting hook pulley, the 4th lifting hook pulley are coaxially assemblied on described lifting hook pulley frame.
The first pulley beam, the second pulley beam that time interval is arranged it is provided with between described left spandrel girder and right spandrel girder, described first fixed pulley group, the 4th fixed pulley group are arranged on the first pulley beam, and described second fixed pulley group, the 3rd fixed pulley group are arranged on the second pulley beam.
nullThis utility model double girder crane adopts the following technical scheme that double girder crane includes having running cart and running the chassis that hoists run on cart of double; two girder,The chassis that hoists includes bogie frame,Bogie frame includes left spandrel girder and the right spandrel girder that left and right be arranged in parallel,Bogie frame is provided with the lifting mechanism of Dual Drive,Described lifting mechanism includes the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group、Lifting hook pulley group,First fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group is arranged between left spandrel girder and right spandrel girder,First fixed pulley group、4th fixed pulley group is arranged in left-right direction,Second assembly pulley、3rd fixed pulley group is arranged in left-right direction,Described first fixed pulley group and the second fixed pulley group are arranged along the longitudinal direction,4th fixed pulley group and the 3rd fixed pulley group are arranged along the longitudinal direction,It is each formed with allowing bit space between described first fixed pulley group and the second fixed pulley group and between the 3rd fixed pulley group and the 4th fixed pulley group,Described bit space can the motion that hoists from bottom to top of described lifting hook pulley group be dodged,To prevent lifting hook pulley group from colliding the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、Any one in 4th fixed pulley group.
nullDescribed first fixed pulley group includes the first left fixed pulley being coaxially disposed、First right fixed pulley,Described second fixed pulley group includes the second left fixed pulley being coaxially disposed、Second right fixed pulley,Described 3rd fixed pulley group includes the 3rd left fixed pulley being coaxially disposed、3rd right fixed pulley,4th fixed pulley group includes the 4th left fixed pulley being coaxially disposed、4th right fixed pulley,Position between described first right fixed pulley and the 4th left fixed pulley is provided with the first commutation fixed pulley,Second left fixed pulley、Position between second right fixed pulley is provided with the second commutation fixed pulley,Position between 3rd left fixed pulley and the 3rd right fixed pulley is provided with the 3rd commutation fixed pulley,Lifting hook pulley group includes the first lifting hook pulley being coaxially set、Second lifting hook pulley、3rd lifting hook pulley、4th lifting hook pulley,First right fixed pulley、4th left fixed pulley、Second right fixed pulley、The pivot center of the 3rd left fixed pulley is all extend in left-right direction,Described first commutation fixed pulley、Second commutation fixed pulley、The pivot center of the 3rd commutation fixed pulley is all extend along the longitudinal direction,Corresponding chain or steel wire rope are when installing winding,Chain or steel wire rope are wrapped in the first left fixed pulley successively、First lifting hook pulley、Second left fixed pulley、Second commutation fixed pulley、Second right fixed pulley、Second lifting hook pulley、First right fixed pulley、First commutation fixed pulley、4th left fixed pulley、3rd lifting hook pulley、3rd left fixed pulley、3rd commutation fixed pulley、3rd right fixed pulley、4th lifting hook pulley、On 4th right fixed pulley,The two ends of chain or steel wire rope are drive end.
Described bogie frame is provided with the first driving mechanism, the second driving mechanism, and one end of chain or steel wire rope and the first driving mechanism are in transmission connection, and the other end and the second driving mechanism are in transmission connection.
Described lifting hook pulley group includes lifting hook pulley frame, and described first lifting hook pulley, the second lifting hook pulley, the 3rd lifting hook pulley, the 4th lifting hook pulley are coaxially assemblied on described lifting hook pulley frame.
The first pulley beam, the second pulley beam that time interval is arranged it is provided with between described left spandrel girder and right spandrel girder, described first fixed pulley group, the 4th fixed pulley group are arranged on the first pulley beam, and described second fixed pulley group, the 3rd fixed pulley group are arranged on the second pulley beam.
The beneficial effects of the utility model: the first fixed pulley group, the 4th fixed pulley group are arranged by the of the present utility model chassis that hoists in left-right direction, second assembly pulley, the 3rd fixed pulley group are arranged in left-right direction, are each formed with allowing bit space between the first fixed pulley group and the second fixed pulley group and between the 3rd fixed pulley group and the 4th fixed pulley group.When lifting hook pulley group is moved from bottom to top, owing to this allows the existence of bit space, moving upward of lifting hook pulley group is dodged, enables lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.Can only move upward to the lifting mechanism of the lower section of fixed pulley group relative to existing lifting hook pulley group, the limiting altitude of the lifting altitude of the chassis that hoists of the present utility model is improved.
Accompanying drawing explanation
Fig. 1 is that this utility model hoists the structural representation of embodiment of chassis;
Fig. 2 is the cut-away illustration of Fig. 1;
Fig. 3 is the schematic diagram around chain mode of lifting mechanism;
Fig. 4 is the structural representation of the driving group in Fig. 3;
Fig. 5 is the structural representation of the chain guides in Fig. 3;
Fig. 6 is the sectional view of Fig. 4;
Fig. 7 is the structural representation of the driving wheel in Fig. 6;
Fig. 8 is the structural representation driving axle in Fig. 6.
Detailed description of the invention
This utility model hoists the embodiment of chassis: as shown in figures 1-8, hoist chassis, including bogie frame, bogie frame includes left spandrel girder 10 and the right spandrel girder 11 that left and right be arranged in parallel, being provided with front support bracket 13, rear load-bearing support 12 that time interval is arranged between left spandrel girder 10 and right spandrel girder 11, left spandrel girder 10, right spandrel girder 11, front support bracket 13 and rear load-bearing support 12 surround a frame structure.Being equipped with actively running wheel 16, driven running wheel on left and right spandrel girder, actively running wheel 16 is driven by running drive motor 17.First pulley beam the 14, second pulley beam 15 that time interval is arranged it is provided with between left spandrel girder 10 and right spandrel girder 11.
Bogie frame is provided with the lifting mechanism of Dual Drive, lifting mechanism includes first fixed pulley group the 2, second fixed pulley group the 3, the 3rd fixed pulley group the 4, the 4th fixed pulley group 6, lifting hook pulley group 7, first fixed pulley group the 2, second fixed pulley group the 3, the 3rd fixed pulley group the 4, the 4th fixed pulley group 6 is arranged between left spandrel girder 10 and right spandrel girder 11, first fixed pulley group the 2, the 4th fixed pulley group 6 is arranged on the first pulley beam 14, and the second fixed pulley group the 3, the 3rd fixed pulley group 4 is arranged on the second pulley beam 15.First pulley beam the 14, second pulley beam 15 is equipped with fixed pulley support 18.First fixed pulley group 2, 4th fixed pulley group 6 is arranged in left-right direction, second assembly pulley 3, 3rd fixed pulley group 4 is arranged in left-right direction, first fixed pulley group 2 and the second fixed pulley group 3 are arranged along the longitudinal direction, 4th fixed pulley group 6 and the 3rd fixed pulley group 4 are arranged along the longitudinal direction, it is each formed with allowing bit space between first fixed pulley group 2 and the second fixed pulley group 3 and between the 3rd fixed pulley group 4 and the 4th fixed pulley group 6, bit space can the motion that hoists from bottom to top of lifting hook pulley group 7 be dodged, to prevent lifting hook pulley group 7 from colliding the first fixed pulley group 2, second fixed pulley group 3, 3rd fixed pulley group 4, any one in 4th fixed pulley group 6.
nullSpecifically,First fixed pulley group 2 includes the first left fixed pulley 21 being coaxially disposed、First right fixed pulley 22,Second fixed pulley group 3 includes the second left fixed pulley 31 being coaxially disposed、Second right fixed pulley 32,3rd fixed pulley group 4 includes the 3rd left fixed pulley 41 being coaxially disposed、3rd right fixed pulley 42,4th fixed pulley group 6 includes the 4th left fixed pulley 61 being coaxially disposed、4th right fixed pulley 62,Position between first right fixed pulley 22 and the 4th left fixed pulley 61 is provided with the first commutation fixed pulley 23,Second left fixed pulley 31、Position between second right fixed pulley 32 is provided with the second commutation fixed pulley 33,Position between 3rd left fixed pulley 41 and the 3rd right fixed pulley 42 is provided with the 3rd commutation fixed pulley 43,Lifting hook pulley group includes lifting hook pulley frame、First lifting hook pulley 71、Second lifting hook pulley 72、3rd lifting hook pulley 73、4th lifting hook pulley 74,First lifting hook pulley 71、Second lifting hook pulley 72、3rd lifting hook pulley 73、4th lifting hook pulley 74 is coaxially assemblied on lifting hook pulley frame.Lifting hook pulley frame includes pulley installation portion and suspension hook connecting portion 76, and pulley installation portion is provided with spaced dividing plate 75, forms the space installed for corresponding lifting hook pulley, rotate between adjacent separator.Lifting hook pulley axle is located on each dividing plate.Suspension hook connecting portion 76 lower hinge has suspension hook 77.The pivot center of the first left fixed pulley the 61, second left fixed pulley 41 of right fixed pulley the 32, the 3rd of right fixed pulley the 22, the 4th is all extend in left-right direction, and the pivot center of first commutation fixed pulley the 23, second commutation fixed pulley the 33, the 3rd commutation fixed pulley 43 is all extend along the longitudinal direction.The chain 9 of lifting mechanism is when installing winding, chain 9 is wrapped in first left fixed pulley the 21, first lifting hook pulley the 71, second left fixed pulley 31, second successively and commutates on fixed pulley 33, second right fixed pulley the 32, second lifting hook pulley the 72, first right fixed pulley the 22, first commutation fixed pulley the 23, the 4th left fixed pulley the 61, the 3rd lifting hook pulley the 73, the 3rd left fixed pulley the 41, the 3rd commutation right fixed pulley the 42, the 4th right fixed pulley 62 of lifting hook pulley the 74, the 4th of fixed pulley the 43, the 3rd, and the two ends of chain 9 are drive end.
Bogie frame is provided with the first driving mechanism, the second driving mechanism, and one end of chain and the first driving mechanism are in transmission connection, and the other end and the second driving mechanism are in transmission connection.First driving mechanism and the second driving mechanism are installed on rear load-bearing support 12.Rear load-bearing support 12 adopts I-steel, and just there is individual installing space I-steel side.Rear load-bearing support 12 also can be spliced by three block plate welding.First driving mechanism and the second driving mechanism structure are identical, illustrate for the first driving mechanism below.One end of chain 9 is stretched out from the driving group of the first driving mechanism, on the first left fixed pulley 21;The other end of chain 9 lays out from the 4th right fixed pulley 62, enters in the driving group 51 of the second driving mechanism.Driving group 51 includes shell 513, driving wheel 512, drives adapter sleeve 514, drives axle and 511, two jump rings of two bearings, adapter sleeve 514 is driven to connect driving wheel 512, drive axle 515, between connected by the form of spline, drive axle 515 driven by lifting motor 47.The side of driving group 51 is additionally provided with chain guides 50, and chain guides 50 are provided with chain cable fairlead 501, and chain cable fairlead 501 is used for guiding chain 49 to enter guide chain mouth.
Of the present utility model hoist chassis when in use, lifting hook pulley group is when weight of slinging upwards hoists, first lifting hook pulley the 71, second lifting hook pulley the 72, the 3rd lifting hook pulley the 73, the 4th lifting hook pulley 74 can be upwardly into and allow in bit space between first and second fixed pulley group and third and fourth fixed pulley group, not by the restriction of traditional pulley beam, the pivot center of lifting hook pulley group almost can reach the height and position of the pivot center of fixed pulley group so that lifting altitude is higher.This lifting mechanism solve traditional commonly used fixed pulley group around chain mode and pulley support frame is arranged on problem directly over suspension hook, that affect lifting altitude.The fixed pulley of surface is arranged separately on the both sides of suspension hook running space, increases the activity space that suspension hook is upper and lower.Lifting mechanism volume is little, lightweight, compact conformation, and lifting altitude is high, it is possible to adapted on common bridge-type double beam crane girder, can apply again on double-beam gantry formula crane.
In other embodiments, may be used without two chains, wherein corresponding first driving mechanism of chain, first fixed pulley group, second fixed pulley group, first lifting hook pulley, second lifting hook pulley, the second left fixed pulley in the second fixed pulley group, position between second right fixed pulley arranges commutation fixed pulley, chain is wrapped in the first left fixed pulley successively, first lifting hook pulley, second left fixed pulley, commutation fixed pulley, second right fixed pulley, on first right fixed pulley, one end of chain is fixing end, the other end enters in the driving group of the first driving mechanism, it is in transmission connection with driving wheel.Another article of chain corresponding second driving mechanism, the 3rd fixed pulley group, the 4th fixed pulley group, the 3rd lifting hook pulley, the 4th lifting hook pulley, the mode of the similar Article 1 chain of chain canoe.First lifting hook pulley, the second lifting hook pulley, the 3rd lifting hook pulley, the 4th lifting hook pulley can coaxially assemble, also can the first lifting hook pulley, the second lifting hook pulley coaxially assemble, 3rd lifting hook pulley, the 4th lifting hook pulley coaxially assemble, and namely divide two assemblings to fit on two pulley spindles.
In other embodiments, chain is also changed to steel wire rope, and corresponding assembly pulley, lifting hook pulley group, commutation fixed pulley are arranged to be applicable to the pulley structure with grooving of wirerope-winding.
Double girder crane, including having running cart and running the chassis that hoists run on cart of double; two girder, runs and is equipped with operation track on two girders of cart, and the chassis that hoists runs on operation track.The chassis that hoists is identical with the structure of the above-mentioned chassis that hoists hoisted in chassis embodiment, and detailed description of the invention no longer describes in detail.Double girder crane can bridge crane, it is possible to be gantry crane.

Claims (10)

  1. null1. hoist chassis,It is characterized in that: include bogie frame,Bogie frame includes left spandrel girder and the right spandrel girder that left and right be arranged in parallel,Bogie frame is provided with the lifting mechanism of Dual Drive,Described lifting mechanism includes the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group、Lifting hook pulley group,First fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group is arranged between left spandrel girder and right spandrel girder,First fixed pulley group、4th fixed pulley group is arranged in left-right direction,Second assembly pulley、3rd fixed pulley group is arranged in left-right direction,Described first fixed pulley group and the second fixed pulley group are arranged along the longitudinal direction,4th fixed pulley group and the 3rd fixed pulley group are arranged along the longitudinal direction,It is each formed with allowing bit space between described first fixed pulley group and the second fixed pulley group and between the 3rd fixed pulley group and the 4th fixed pulley group,Described bit space can the motion that hoists from bottom to top of described lifting hook pulley group be dodged,To prevent lifting hook pulley group from colliding the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、Any one in 4th fixed pulley group.
  2. null2. the chassis that hoists according to claim 1,It is characterized in that: described first fixed pulley group includes the first left fixed pulley being coaxially disposed、First right fixed pulley,Described second fixed pulley group includes the second left fixed pulley being coaxially disposed、Second right fixed pulley,Described 3rd fixed pulley group includes the 3rd left fixed pulley being coaxially disposed、3rd right fixed pulley,4th fixed pulley group includes the 4th left fixed pulley being coaxially disposed、4th right fixed pulley,Position between described first right fixed pulley and the 4th left fixed pulley is provided with the first commutation fixed pulley,Second left fixed pulley、Position between second right fixed pulley is provided with the second commutation fixed pulley,Position between 3rd left fixed pulley and the 3rd right fixed pulley is provided with the 3rd commutation fixed pulley,Lifting hook pulley group includes the first lifting hook pulley being coaxially set、Second lifting hook pulley、3rd lifting hook pulley、4th lifting hook pulley,First right fixed pulley、4th left fixed pulley、Second right fixed pulley、The pivot center of the 3rd left fixed pulley is all extend in left-right direction,Described first commutation fixed pulley、Second commutation fixed pulley、The pivot center of the 3rd commutation fixed pulley is all extend along the longitudinal direction,Corresponding chain or steel wire rope are when installing winding,Chain or steel wire rope are wrapped in the first left fixed pulley successively、First lifting hook pulley、Second left fixed pulley、Second commutation fixed pulley、Second right fixed pulley、Second lifting hook pulley、First right fixed pulley、First commutation fixed pulley、4th left fixed pulley、3rd lifting hook pulley、3rd left fixed pulley、3rd commutation fixed pulley、3rd right fixed pulley、4th lifting hook pulley、On 4th right fixed pulley,The two ends of chain or steel wire rope are drive end.
  3. 3. the chassis that hoists according to claim 2, it is characterised in that: described bogie frame is provided with the first driving mechanism, the second driving mechanism, and one end of chain or steel wire rope and the first driving mechanism are in transmission connection, and the other end and the second driving mechanism are in transmission connection.
  4. 4. the chassis that hoists according to claim 2, it is characterised in that: described lifting hook pulley group includes lifting hook pulley frame, and described first lifting hook pulley, the second lifting hook pulley, the 3rd lifting hook pulley, the 4th lifting hook pulley are coaxially assemblied on described lifting hook pulley frame.
  5. 5. the chassis that hoists according to any one of Claims 1-4, it is characterized in that: between described left spandrel girder and right spandrel girder, be provided with the first pulley beam, the second pulley beam that time interval is arranged, described first fixed pulley group, the 4th fixed pulley group are arranged on the first pulley beam, and described second fixed pulley group, the 3rd fixed pulley group are arranged on the second pulley beam.
  6. null6. double girder crane,Including having running cart and running the chassis that hoists run on cart of double; two girder,It is characterized in that: the chassis that hoists includes bogie frame,Bogie frame includes left spandrel girder and the right spandrel girder that left and right be arranged in parallel,Bogie frame is provided with the lifting mechanism of Dual Drive,Described lifting mechanism includes the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group、Lifting hook pulley group,First fixed pulley group、Second fixed pulley group、3rd fixed pulley group、4th fixed pulley group is arranged between left spandrel girder and right spandrel girder,First fixed pulley group、4th fixed pulley group is arranged in left-right direction,Second assembly pulley、3rd fixed pulley group is arranged in left-right direction,Described first fixed pulley group and the second fixed pulley group are arranged along the longitudinal direction,4th fixed pulley group and the 3rd fixed pulley group are arranged along the longitudinal direction,It is each formed with allowing bit space between described first fixed pulley group and the second fixed pulley group and between the 3rd fixed pulley group and the 4th fixed pulley group,Described bit space can the motion that hoists from bottom to top of described lifting hook pulley group be dodged,To prevent lifting hook pulley group from colliding the first fixed pulley group、Second fixed pulley group、3rd fixed pulley group、Any one in 4th fixed pulley group.
  7. null7. double girder crane according to claim 6,It is characterized in that: described first fixed pulley group includes the first left fixed pulley being coaxially disposed、First right fixed pulley,Described second fixed pulley group includes the second left fixed pulley being coaxially disposed、Second right fixed pulley,Described 3rd fixed pulley group includes the 3rd left fixed pulley being coaxially disposed、3rd right fixed pulley,4th fixed pulley group includes the 4th left fixed pulley being coaxially disposed、4th right fixed pulley,Position between described first right fixed pulley and the 4th left fixed pulley is provided with the first commutation fixed pulley,Second left fixed pulley、Position between second right fixed pulley is provided with the second commutation fixed pulley,Position between 3rd left fixed pulley and the 3rd right fixed pulley is provided with the 3rd commutation fixed pulley,Lifting hook pulley group includes the first lifting hook pulley being coaxially set、Second lifting hook pulley、3rd lifting hook pulley、4th lifting hook pulley,First right fixed pulley、4th left fixed pulley、Second right fixed pulley、The pivot center of the 3rd left fixed pulley is all extend in left-right direction,Described first commutation fixed pulley、Second commutation fixed pulley、The pivot center of the 3rd commutation fixed pulley is all extend along the longitudinal direction,Corresponding chain or steel wire rope are when installing winding,Chain or steel wire rope are wrapped in the first left fixed pulley successively、First lifting hook pulley、Second left fixed pulley、Second commutation fixed pulley、Second right fixed pulley、Second lifting hook pulley、First right fixed pulley、First commutation fixed pulley、4th left fixed pulley、3rd lifting hook pulley、3rd left fixed pulley、3rd commutation fixed pulley、3rd right fixed pulley、4th lifting hook pulley、On 4th right fixed pulley,The two ends of chain or steel wire rope are drive end.
  8. 8. double girder crane according to claim 7, it is characterised in that: described bogie frame is provided with the first driving mechanism, the second driving mechanism, and one end of chain or steel wire rope and the first driving mechanism are in transmission connection, and the other end and the second driving mechanism are in transmission connection.
  9. 9. double girder crane according to claim 7, it is characterised in that: described lifting hook pulley group includes lifting hook pulley frame, and described first lifting hook pulley, the second lifting hook pulley, the 3rd lifting hook pulley, the 4th lifting hook pulley are coaxially assemblied on described lifting hook pulley frame.
  10. 10. the double girder crane according to any one of claim 6 to 9, it is characterized in that: between described left spandrel girder and right spandrel girder, be provided with the first pulley beam, the second pulley beam that time interval is arranged, described first fixed pulley group, the 4th fixed pulley group are arranged on the first pulley beam, and described second fixed pulley group, the 3rd fixed pulley group are arranged on the second pulley beam.
CN201620098600.0U 2016-02-01 2016-02-01 Two roof beam hoists and play to rise platform truck thereof Expired - Fee Related CN205367499U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105480860A (en) * 2016-02-01 2016-04-13 王历鑫 Double-girder crane and hoisting trolley thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105480860A (en) * 2016-02-01 2016-04-13 王历鑫 Double-girder crane and hoisting trolley thereof
CN105480860B (en) * 2016-02-01 2018-04-06 王历鑫 Double girder crane and its raising chassis

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Address after: 528000 Guangdong province Dali Nanhai District of Foshan city dragon head three Village Village No. 1 A8

Patentee after: Foshan Ou Sheng crane Technology Co., Ltd.

Address before: Xinxiang City, Henan province 453300 Tong Village Fengqiu County town four groups in Huangling

Patentee before: Wang Lixin

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