CN2763237Y - Hydraulic raising type freight elevator - Google Patents

Hydraulic raising type freight elevator Download PDF

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Publication number
CN2763237Y
CN2763237Y CN 200520053731 CN200520053731U CN2763237Y CN 2763237 Y CN2763237 Y CN 2763237Y CN 200520053731 CN200520053731 CN 200520053731 CN 200520053731 U CN200520053731 U CN 200520053731U CN 2763237 Y CN2763237 Y CN 2763237Y
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CN
China
Prior art keywords
bearing pin
piston
platform
hydraulic cylinder
type hydraulic
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Expired - Fee Related
Application number
CN 200520053731
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Chinese (zh)
Inventor
关永雄
关立
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关永雄
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Priority to CN 200520053731 priority Critical patent/CN2763237Y/en
Application granted granted Critical
Publication of CN2763237Y publication Critical patent/CN2763237Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a crane for a civil architecture. The utility model is provided with a supporting device and a tower crane, wherein the tower crane is arranged on the supporting device, and the building materials for a building floor can be conveniently moved to the required position by rotating the tower crane; the supporting device is provided with a connecting platform, and a fixed support foot and a movable support foot which are arranged below the connecting platform, wherein the movable support foot is divided into an upper part and a lower part, and the connection position of the upper part and the lower part is provided with a hydraulic cylinder; the crane is lifted by manipulating the hydraulic cylinder; the lower side of the connecting platform has a movable beam, a hoister set and hoisting wires whose the lower end is provided with a lifting hook. The tower crane is provided with a hoisting arm, a hoister set, a small vehicle, hoisting wires and a lifting hook, wherein the hoisting arm is placed on a rotary table transversely, the lower side of the hoisting arm is provided with a guide rail, and the small vehicle having the lifting hook is positioned below the guide rail of the lower side of the hoisting arm. The utility model directly utilizes a building to replace a tower body and can be conveniently lifted along the heightening phenomenon of the building, so the application range of the utility model is wide. The utility model has the advantages of low cost, complete function and convenient usage.

Description

Hydraulic pressure is with rising heavy-duty machine
Technical field
The utility model relates to a kind of weight-lifting equipment for building, relates in particular to a kind of civil construction hoisting crane.
Background technology
At present, the civil construction hoisting crane has self-raising tower crane, jack up door frame elevator.Mast section of self-climbing tower crane is by ground thirty years of age, and complete machine is heavy, cost is high, need water solid ground in addition, and higher body of the tower needs to reinforce attached on the building body construction cost height and complex procedures with strut.Jack up door frame elevator, door frame also are by ground thirty years of age, need with a large amount of steel.And above two kinds of crane functions are single, are inconvenient to install and remove, operating cost height, operation requirements height.At present, lighter hoisting crane has appearred, application number as the Decree of Patent Office of China is " build and rise portable crane " of " 02290379 ", it is constructed by organism bottom being fixed on building body and scaffold or the ground, though this structure has been saved steel, has been reduced cost, but mounting or dismounting and lifting are still convenient inadequately, and function ratio is more single.
The utility model content
In order to overcome the above-mentioned deficiency of existing in prior technology, the utility model provides a kind of cost low, multiple functional and use the convenient hydraulic pressure of mounting or dismounting with rising heavy-duty machine.It directly utilizes building to replace body of the tower, and can increase and raise easily with building, and can select cage or steel, and range of use is wide.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of hydraulic pressure is with rising heavy-duty machine, and it is provided with bearing set and tower crane, and tower crane is positioned at above the bearing set.Described bearing set is provided with fixed bearing pin, freely-movable bearing pin, connects platform.The upper end of fixed bearing pin be connected platform and link to each other, the lower end of fixed bearing pin is bearing on the flooring framework of building.The freely-movable bearing pin divides two parts up and down, two-part up and down junction is provided with a piston-type hydraulic cylinder, the cylinder body of piston-type hydraulic cylinder is fixed in the inner chamber on top of freely-movable bearing pin, the piston of piston-type hydraulic cylinder is fixed in the inner chamber of lower part of freely-movable bearing pin, and the lower part of freely-movable bearing pin is driven and can be moved up and down with respect to top by piston.As the another kind of connection mode of freely-movable bearing pin and piston-type hydraulic cylinder, also the piston of piston-type hydraulic cylinder can be fixed in the inner chamber on top of freely-movable bearing pin, the cylinder body of piston-type hydraulic cylinder is fixed in the inner chamber of lower part of freely-movable bearing pin.The upper end of freely-movable bearing pin is connected through the hinge and is connecting on the platform, the freely-movable bearing pin can be done rotating of certain angle around hinge relative to connecting platform, the freely-movable bearing pin is fastened on by fastener and connects on the platform after turning to needed position, and the lower end of freely-movable bearing pin is bearing on the flooring framework of building.Be provided with piston-type hydraulic cylinder between described connection platform and each the freely-movable bearing pin, the two ends of piston-type hydraulic cylinder respectively be connected the platform downside and freely-movable bearing pin inboard is connected through the hinge, triangularity arranges that the freely-movable bearing pin connects platform relatively around hinge through during actuating plunger formula hydraulic actuating cylinder between freely-movable bearing pin, connection platform and the piston-type hydraulic cylinder three.Described tower crane is provided with rotating disk with being connected between the platform, tower crane rotates in 360 ° of scopes with respect to connecting platform under rotating disk drives.Described tower crane is provided with crane arm, elevator unit, dolly, lifting steel wire and suspension hook, and crane arm is disposed across above the rotating disk, and an end of crane arm is provided with counterweight and the downside of the other end is provided with guide rail, and dolly is positioned at the below of side rails under the crane arm; Dolly is inboard to be provided with guide rail by top position, and the dolly bottom surface is provided with two pulleys, and the guide rail of described crane arm downside matches with the guide rail of dolly inboard, and dolly can be made slide relative along guide pass with respect to crane arm.Described elevator unit has two, be fixedly connected on respectively rotating disk above, the two ends of described lifting steel wire are respectively on the cylinder of elevator unit and centre portion is walked around two pulleys and the suspension hook of dolly inboard successively, suspension hook is positioned at the centre of two pulleys, handle two elevator units simultaneously and by the lifting steel wire suspension hook is mentioned or put down, dolly is moved relative to the guide rail of crane arm downside.
For the fixed bearing pin is bearing on the flooring framework of building, the upper end of described fixed bearing pin is connected through the hinge also fastening by fastener on the connection platform.Be provided with piston-type hydraulic cylinder between described connection platform and each the fixed bearing pin, the two ends of piston-type hydraulic cylinder respectively be connected the platform downside and fixed bearing pin inboard is connected through the hinge, triangularity is arranged between fixed bearing pin, connection platform and the piston-type hydraulic cylinder three, the freely-movable bearing pin connects platform relatively around hinge through during actuating plunger formula hydraulic actuating cylinder, and the fixed bearing pin is fastened on by fastener and connects on the platform after turning to needed position.Described fixed bearing pin be connected platform and also can adopt another kind of connection mode, the upper end of fixed bearing pin is fixedly connected on and connects on the platform; Described fixed bearing pin has 4 at least, be provided with a left side horizontal pin of supporting and the horizontal pin of right supporting between per two fixed bearing pin, supporting horizontal pin in a left side is captiveed joint with two fixed bearing underfooting ends respectively with the horizontal pin of right supporting, the a left side horizontal pin of supporting and the horizontal pin of right supporting each minute left and right sides two parts, two-part junction, the left and right sides is provided with a piston-type hydraulic cylinder, the cylinder body of described piston-type hydraulic cylinder or piston are separately fixed in the inner chamber of the horizontal pin of left side supporting and the left half of the horizontal pin of right supporting, the piston of piston-type hydraulic cylinder or cylinder body are separately fixed in the inner chamber of the horizontal pin of left side supporting and the right half of the horizontal pin of right supporting, and the left half of the horizontal pin of left side supporting is done side-to-side movement with respect to the right half and the right half of the horizontal pin of right supporting with respect to left half during actuating plunger formula hydraulic actuating cylinder.
For from ground or below floor building materials is mentioned needed floor, described connection platform downside is provided with elevator unit and lifting steel wire, the elevator unit is fixedly connected on and connects on the platform, one end of lifting steel wire is used to hang steel or cage on the cylinder of elevator unit and the other end is provided with suspension hook on the suspension hook.
Be provided with moved cross beam between described connection platform and the elevator unit, moved cross beam is positioned at and connects the flat-bed downside.Moved cross beam by guide rail be connected platform and link to each other, the elevator unit links to each other with moved cross beam by guide rail, an end of lifting steel wire is on the cylinder of elevator unit and the other end is provided with suspension hook.Moved cross beam can can be moved horizontally to building materials on the flooring of being built up by this structure along the guide rail parallel motion of moved cross beam easily along connection flat-bed guide rail parallel motion, elevator unit.
In order to increase the height of building materials, be provided with at least one between described connection platform and the rotating disk and increase frame.
The beneficial effects of the utility model are: directly utilize building to replace body of the tower, and can increase and raise easily with building, and can select cage or steel on the suspension hook, range of use be wide.The utility model cost is low, multiple functional and use mounting or dismounting convenient.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is that the utility model hydraulic pressure is with the front view that rises heavy-duty machine;
Fig. 2 is hydraulic pressure shown in Figure 1 comprises the flooring framework with the rise heavy-duty machine a left view;
Fig. 3 is that hydraulic pressure shown in Figure 1 is with rising the amplification view of heavy-duty machine along the A-A line;
Fig. 4 is the structural representation that comprise flooring framework of the utility model hydraulic pressure with the another kind of embodiment that rises heavy-duty machine.
1. fixed bearing pin among the figure, 2. the freely-movable bearing pin 3. connects platform, 4. hinge, 5. fastener, 6. square hole, 7. flooring framework, 8. elevator unit, 9. lifting steel wire, 10. suspension hook, 11. moved cross beams, 12. crane arm, 13. counterweights, 14. rotating disks, 15. piston-type hydraulic cylinder, 16. pulleys, 17. dollies, 18. increase frame, the horizontal pin of 19. left side supportings, the horizontal pin of 20. right supportings.
The specific embodiment
As Fig. 1, Fig. 2, Figure 3 shows that the utility model hydraulic pressure is with the first kind of embodiment that rises heavy-duty machine.It is provided with bearing set and tower crane, and tower crane is positioned at above the bearing set.Described bearing set is provided with 1,3 freely-movable bearing pin 2 of 3 fixed bearing pin, connects platform 3.The upper end of fixed bearing pin 1 is connected by hinge 4 and connects on the platform 3, fixed bearing pin 1 can rotate around hinge 4 relative to connecting platform 3, fixed bearing pin 1 is fastened on by fastener 5 and connects on the platform 3 after turning to needed position, and the lower end of fixed bearing pin 1 is bearing on the flooring framework 7 of building.Freely-movable bearing pin 2 is divided into two parts up and down, two-part up and down junction is provided with a piston-type hydraulic cylinder, the cylinder body of piston-type hydraulic cylinder is fixed in the inner chamber on top of freely-movable bearing pin 2, the piston of piston-type hydraulic cylinder is fixed in the inner chamber of lower part of freely-movable bearing pin 2, and the lower part of freely-movable bearing pin 2 is driven and can be moved up and down with respect to top by piston.The upper end of freely-movable bearing pin 2 is connected by hinge 4 and connects on the platform 3, freely-movable bearing pin 2 can rotate around hinge 4 relative to connecting platform 3, freely-movable bearing pin 2 is fastened on by fastener 5 and connects on the platform 3 after turning to needed position, and the lower end of freely-movable bearing pin 2 is bearing on the flooring framework 7 of building.Connect between platform 3 and each freely-movable bearing pin 2 or the fixed bearing pin 1 and be provided with piston-type hydraulic cylinder 15, the two ends of piston-type hydraulic cylinder 15 respectively be connected that platform 3 downsides and freely-movable bearing pin 2 or fixed bearing pin 1 are inboard to be connected by hinge 4, triangularity is arranged between freely-movable bearing pin 2 or fixed bearing pin 1, connection platform 3 and piston-type hydraulic cylinder 15 threes, and freely-movable bearing pin 2 or fixed bearing pin 1 rotate around hinge 4 relative to connecting platform 3 during actuating plunger formula hydraulic actuating cylinder 15.In building operation, the central authorities of common each floor all leave one and make things convenient for the used square hole 6 of building operation, this hydraulic pressure just is placed in this square hole 6 and is bearing in down on the flooring framework 7 that one deck built up with rising heavy-duty machine, when the floor of having constructed need be with crane lifting during to a last floor, earlier with freely-movable bearing pin 2 be connected fastener 5 between the platform 3 and unscrew also that manipulation activities support foot 2 makes freely-movable bearing pin 2 inwardly turn an angle around hinge 4 with the piston-type hydraulic cylinder 15 that is connected between the platform 3.The piston-type hydraulic cylinder of manipulation activities support foot two parts junction about in the of 2 moves up relative top, lower part then, manipulation activities support foot 2 is fastened on freely-movable bearing pin 2 on the connection platform 3 freely-movable bearing pin 2 with the piston-type hydraulic cylinder 15 that is connected between the platform 3 with fastener 5 after hinge 4 outwards turns an angle after moving on to a last floor on freely-movable bearing pin 2 lower parts, and at this moment freely-movable bearing pin 2 just is bearing on the flooring framework 7 of a floor.Then with fixed bearing pin 1 be connected fastener 5 between the platform 3 and unscrew and handle fixed bearing pin 1 and fixed bearing pin 1 is inwardly turned an angle around hinge 4 with the piston-type hydraulic cylinder 15 that is connected between the platform 3, the piston-type hydraulic cylinder of manipulation activities support foot two parts junction about in the of 2 moves down up to fixed bearing pin 1 being risen to a last floor relative top, lower part then.Handle fixed bearing pin 1 then and fixed bearing pin 1 is outwards turned an angle on the flooring framework 7 that is supported on a last floor around hinge 4, with fastener 5 fixed bearing pin 1 is fastened on the connection platform 3 at last with the piston-type hydraulic cylinder 15 that is connected between the platform 3.At this moment, whole hoisting crane has just risen to a floor.
Described tower crane is provided with rotating disk 14 and increases frame 18 with being connected between the platform, drive tower cranes by rotating disk 14 and 3 do 360 ° of rotations with respect to connecting platform.Described tower crane is provided with crane arm 12, elevator unit 8, dolly 17, lifting steel wire 9 and suspension hook 10, one end of crane arm 12 is provided with counterweight 13 and is provided with guide rail at the downside of the other end, dolly 17 inboards are provided with guide rail by top position, dolly 17 bottom surfaces are provided with two pulleys 16, the guide rail of described crane arm 12 downsides matches with the guide rail of dolly 17 inboards, and dolly 17 is made slide relative along guide pass with respect to crane arm 12.Described elevator unit 8 has two, be fixedly connected on respectively rotating disk 14 above, on the cylinder of elevator unit 8 and centre portion is walked around two pulleys 16 and the suspension hook 10 of dolly 17 inboards successively, suspension hook 10 is positioned at the centre of two pulleys 16 respectively at the two ends of described lifting steel wire 9.Handle two elevator units 8 simultaneously and by lifting steel wire 9 suspension hook 10 is mentioned or put down, dolly 17 is moved relative to the guide rail of crane arm 12 downsides.The building materials of flooring can be moved to needed position by handling two elevator units 8 and rotating disk 14.
Described connection platform 3 downsides are provided with moved cross beam 11, elevator unit 8 and lifting steel wire 9.Moved cross beam 11 by guide rail be connected platform 3 and link to each other, elevator unit 8 links to each other with moved cross beam 11 by guide rail, an end of lifting steel wire 9 is on the cylinder of elevator unit 8 and the other end is provided with suspension hook 10.Moved cross beam 11 can be along the guide rail parallel motion below the moved cross beam 11 along guide rail parallel motion, elevator unit 8 below connecting platform 3, by this structure can from ground or below floor building materials is risen to needed floor, building materials can be moved horizontally on the flooring of being built up simultaneously.
Be illustrated in figure 4 as the utility model hydraulic pressure with the second kind of embodiment that rises heavy-duty machine, it is provided with bearing set and tower crane, and tower crane is positioned at above the bearing set.Its bearing set is provided with 4 fixed bearing pin 1,3 freely-movable bearing pin 2 be connected platform 3, the upper end of fixed bearing pin 1 is fixedly connected on and connects on the platform 3, be provided with horizontal pin 19 of left side supporting and the horizontal pin 20 of right supporting between per two fixed bearing pin 1, supporting horizontal pin 19 in a left side is captiveed joint with two fixed bearing pin 1 lower ends respectively with the horizontal pin 20 of right supporting, the horizontal pin 19 of left side supporting and horizontal pin 20 each minute left and right sides two parts of right supporting, two-part junction, the left and right sides is provided with a piston-type hydraulic cylinder, the cylinder body of piston-type hydraulic cylinder is fixed in the inner chamber of right half of the horizontal pin 19 of left side supporting, the piston of piston-type hydraulic cylinder is fixed in the inner chamber of horizontal pin 19 left halfs of left side supporting, the cylinder body of piston-type hydraulic cylinder is fixed in the inner chamber of left half of the horizontal pin 20 of right supporting, and the piston of piston-type hydraulic cylinder is fixed in the inner chamber of horizontal pin 20 right halfs of right supporting; The structure of freely-movable bearing pin 2 and with the connection mode that connects platform 3 with identical with first kind of embodiment, no longer describe in detail at this.When needs with hydraulic pressure with rising heavy-duty machine when rising to a last floor, earlier with freely-movable bearing pin 2 be connected fastener 5 between the platform 3 and unscrew also that manipulation activities support foot 2 makes freely-movable bearing pin 2 inwardly turn an angle around hinge 4 with the piston-type hydraulic cylinder 15 that is connected between the platform 3.The piston-type hydraulic cylinder of manipulation activities support foot two parts junction about in the of 2 moves up relative top, lower part then, manipulation activities support foot 2 is fastened on freely-movable bearing pin 2 on the connection platform 3 freely-movable bearing pin 2 with the piston-type hydraulic cylinder 15 that is connected between the platform 3 with fastener 5 after hinge 4 outwards turns an angle after moving on to a last floor on freely-movable bearing pin 2 lower parts, and at this moment freely-movable bearing pin 2 just is bearing on the flooring framework 7 of a floor.The piston-type hydraulic cylinder of handling the two-part junction, the left and right sides of horizontal pin 19 of left side supporting and the horizontal pin 20 of right supporting then is moved to the left up to breaking away from fully with flooring framework 7 the move right right half of the horizontal pin 20 of right simultaneously supporting of the left half of the horizontal pin 19 of left side supporting, and the piston-type hydraulic cylinder of manipulation activities support foot two parts junction about in the of 2 moves down up to fixed bearing pin 1 being risen to a last floor relative top, lower part then.Handling the right half that the piston-type hydraulic cylinder of the two-part junction, the left and right sides of horizontal pin 19 of left side supporting and the horizontal pin 20 of right supporting makes the left half of the horizontal pin 19 of left side supporting be moved to the left the horizontal pin 20 of right simultaneously supporting then moves right on the flooring framework 7 that is supported on a last floor.At this moment, whole hoisting crane has just risen to a floor.The structure of tower crane and other parts is identical with first kind of embodiment with principle of work, no longer describes in detail at this.

Claims (7)

1, a kind of hydraulic pressure is with rising heavy-duty machine, it is provided with bearing set and tower crane, tower crane is positioned at above the bearing set, it is characterized in that: described bearing set is provided with fixed bearing pin, freely-movable bearing pin, connects platform, and the upper end of described fixed bearing pin is with to be connected platform continuous; Described freely-movable bearing pin divides two parts up and down, two-part up and down junction is provided with a piston-type hydraulic cylinder, the cylinder body of described piston-type hydraulic cylinder or piston are fixed in the inner chamber on top of freely-movable bearing pin, the piston of piston-type hydraulic cylinder or cylinder body are fixed in the inner chamber of lower part of freely-movable bearing pin, the upper end of freely-movable bearing pin by hinge be connected that platform links to each other and fastening by fastener; Be provided with piston-type hydraulic cylinder between described connection platform and each the freely-movable bearing pin, the two ends of piston-type hydraulic cylinder respectively be connected the platform downside and freely-movable bearing pin inboard is connected through the hinge, the freely-movable bearing pin, connect between platform and the piston-type hydraulic cylinder three triangularity and arrange; Described tower crane is provided with rotating disk with being connected between the platform; Described tower crane is provided with crane arm, elevator unit, dolly, lifting steel wire and suspension hook, and crane arm is disposed across above the rotating disk, and an end of crane arm is provided with counterweight and the downside of the other end is provided with guide rail, and dolly is positioned at the below of side rails under the crane arm; Described dolly is inboard to be provided with guide rail by top position, the dolly bottom surface is provided with two pulleys, the guide rail of described crane arm downside matches with the guide rail of dolly inboard, described elevator unit has two, all be fixedly connected on rotating disk above, on the cylinder of elevator unit and centre portion is walked around two pulleys and the suspension hook of dolly inboard successively, suspension hook is positioned at the centre of two pulleys respectively at the two ends of described lifting steel wire.
2, hydraulic pressure according to claim 1 is characterized in that with rising heavy-duty machine: the upper end of described fixed bearing pin is connected through the hinge also fastening by fastener on the connection platform; Be provided with piston-type hydraulic cylinder between described connection platform and each the fixed bearing pin, the two ends of piston-type hydraulic cylinder respectively be connected the platform downside and fixed bearing pin inboard is connected through the hinge, the fixed bearing pin, connect between platform and the piston-type hydraulic cylinder three triangularity and arrange.
3, hydraulic pressure according to claim 1 is characterized in that with rising heavy-duty machine: the upper end of described fixed bearing pin is fixedly connected on and connects on the platform; Described fixed bearing pin has 4 at least, a left side, be respectively arranged with a left side horizontal pin of supporting and the horizontal pin of right supporting between right two fixed bearing pin, supporting horizontal pin in a left side is captiveed joint with two fixed bearing underfooting ends respectively with the horizontal pin of right supporting, the a left side horizontal pin of supporting and the horizontal pin of right supporting each minute left and right sides two parts, two-part junction, the left and right sides is provided with a piston-type hydraulic cylinder, the cylinder body of described piston-type hydraulic cylinder or piston are fixed in the inner chamber of the horizontal pin of left side supporting and the left half of the horizontal pin of right supporting, and the piston of piston-type hydraulic cylinder or cylinder body are fixed in the inner chamber of the horizontal pin of left side supporting and the right half of the horizontal pin of right supporting.
4, according to claim 1,2 or 3 described hydraulic pressure with rising heavy-duty machine, it is characterized in that: described connection platform downside is provided with elevator unit and lifting steel wire, the elevator unit is fixedly connected on and connects on the platform, and an end of lifting steel wire is on the cylinder of elevator unit and the other end is provided with suspension hook.
5, hydraulic pressure according to claim 4 is with rising heavy-duty machine, it is characterized in that: be provided with moved cross beam between described connection platform and the elevator unit, moved cross beam is positioned at and connects the flat-bed downside, described moved cross beam by guide rail be connected platform and link to each other, described elevator unit links to each other with moved cross beam by guide rail; One end of lifting steel wire is on the cylinder of elevator unit and the other end is provided with suspension hook.
6, according to claim 2 or 3 described hydraulic pressure with rising heavy-duty machine, it is characterized in that: be provided with at least one between described connection platform and the rotating disk and increase frame.
7, hydraulic pressure according to claim 4 is characterized in that: be provided with at least one between described connection platform and the rotating disk and increase frame with rising heavy-duty machine.
CN 200520053731 2005-01-10 2005-01-10 Hydraulic raising type freight elevator Expired - Fee Related CN2763237Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520053731 CN2763237Y (en) 2005-01-10 2005-01-10 Hydraulic raising type freight elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520053731 CN2763237Y (en) 2005-01-10 2005-01-10 Hydraulic raising type freight elevator

Publications (1)

Publication Number Publication Date
CN2763237Y true CN2763237Y (en) 2006-03-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520053731 Expired - Fee Related CN2763237Y (en) 2005-01-10 2005-01-10 Hydraulic raising type freight elevator

Country Status (1)

Country Link
CN (1) CN2763237Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103145050A (en) * 2013-03-20 2013-06-12 中建三局建设工程股份有限公司 Rotating multi-crane integrated operation platform with integral automatic lifting function
CN108677750A (en) * 2018-01-15 2018-10-19 重庆溢权科技发展有限公司 Assembling railroad bridge rotation swivel construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103145050A (en) * 2013-03-20 2013-06-12 中建三局建设工程股份有限公司 Rotating multi-crane integrated operation platform with integral automatic lifting function
CN103145050B (en) * 2013-03-20 2014-11-12 中建三局建设工程股份有限公司 Rotating multi-crane integrated operation platform with integral automatic lifting function
CN108677750A (en) * 2018-01-15 2018-10-19 重庆溢权科技发展有限公司 Assembling railroad bridge rotation swivel construction method

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