CN110127572A - Bilateral Backpack type industry elevator mechanism and its installation, working method - Google Patents
Bilateral Backpack type industry elevator mechanism and its installation, working method Download PDFInfo
- Publication number
- CN110127572A CN110127572A CN201910416275.6A CN201910416275A CN110127572A CN 110127572 A CN110127572 A CN 110127572A CN 201910416275 A CN201910416275 A CN 201910416275A CN 110127572 A CN110127572 A CN 110127572A
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- China
- Prior art keywords
- bolt
- bilateral
- hole
- truss
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The present invention relates to a kind of bilateral knapsack elevator and its installations, working method.Bilateral Backpack type industry elevator of the present invention mechanism, including top unit, auxiliary guide rail, truss platform, position-limit mechanism and positioning mechanism；Bilateral Backpack type industry elevator mechanism, it may be implemented in the controllable lift of the Large-Scale Equipments such as condenser two sides, it can be facilitated using open carriage body mechanism and receive the cargo from equipment such as cranes, related assembly or upkeep operation comprehensive, without dead angle can be carried out towards equipment；Bilateral Backpack type industry elevator mechanism, using double Knapsack structures, traditional clump weight is changed to mobile platform, work while may be implemented two-sided, the mechanism structure is compact, and easy to assemble, high-efficient, safe and reliable, load capacity is strong, relatively low to environmental requirement.
Description
Technical field
The present invention relates to a kind of bilateral knapsack elevator and its installations, working method, belong to the technical field of industrial elevator.
Background technique
Most elevators are assembled on the single side of building in the prior art, will be configured at two sides using the rotation of traction machine
Counterweight, carriage body realization purposefully rise or fall, and have well solved manned in vertical direction, loading problem.Wherein, match
The setting of weight is the power demand in order to effectively slow down traction machine.
However it is condensed as used in chemical refrigeration process in industry spot there are many up to tens of meters of equipments
Device, such equipment generally require double at it by the climbing of simple Abseiling device by technical staff in installation, detection, repair procedures
Face, even four faces carry out high altitude operation, there is very severe security risk.Meanwhile such easy device cannot bear compared with
Big load, technical staff needs high and low repeatedly, constantly from ground feeding.On the other hand, the use of elevator is to need
Have elevator or access to elevators, in face of the few installation of access times or Overhaul site, mature elevator technology obviously at
Ben Taigao can not adapt to the demand that industry spot big load, high stable, easy to assemble and multi-panel work.For example, Chinese patent
201820251914.9 disclose a kind of elevator of no trailing cable, but using the elevator as the industrial electro in the prior art of representative
Ladder can not solve the contradiction between load capacity and structural complexity, and the elevator for being able to satisfy industry spot loading demand is not easy to install,
Structure is complicated, and application range receives very big limitation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of bilateral Backpack type industry elevator mechanism.
The present invention provides a kind of installation of above-mentioned bilateral Backpack type industry elevator, working method.
Summary of the invention:
Bilateral Backpack type industry elevator of the present invention mechanism, using auxiliary guide rail, traction machine, truss platform, position-limit mechanism and
Positioning mechanism realizes the lifting of knapsack type elevator, is arranged by bilateral and obtains high efficiency, the effect of low-power consumption.
The technical solution of the present invention is as follows:
A kind of bilateral Backpack type industry elevator mechanism, including top unit, auxiliary guide rail, truss platform, position-limit mechanism and positioning
Mechanism；Bilateral Backpack type industry elevator mechanism can integrally be assemblied in the outside of the large-scale outdoor facilities such as primary cooler；The top
Portion's unit is installed in the top of primary cooler, and the auxiliary guide rail, truss platform, position-limit mechanism and positioning mechanism are located at primary cooler
Side is symmetrically installed, and totally two groups.
The top unit includes traction machine, mounting rack, mounting plate, support tripod, fixed pulley group and rope；It tells and drags
Draw machine and mounting rack is installed on the top of primary cooler；The mounting plate is installed in the top of mounting rack；In the mounting rack and peace
Support tripod and fixed pulley group are installed in the angle space that loading board two sides are formed；The traction machine left and right ends twine respectively
It is wound with a rope, rope ends pass through fixed pulley group traction lower section load respectively.
The auxiliary guide rail specific features are as follows: generally L shape, can be installed in condenser etc. by the side A mounting hole
The side of Large-Scale Equipment, meanwhile, the side B mounting hole can be used as the location hole of positioning mechanism.
The truss platform includes truss, pressure-resistant plate and hanging ring；The truss is made of profile, wherein the face C with it is described auxiliary
The load of vertical direction is born in the cooperation of assistant director of a film or play's rail, the face D, and E bears in face the pulling force of the rope；The pressure-resistant plate is layed in truss
D, the face E；The hanging ring is installed on the face the E crossbeam in the face C.
The position-limit mechanism is fixed on the face C of truss platform, referring to patent 201910274128.X by auxiliary
The detent of guide rail realizes the limit to truss platform, makes it that can only move up and down along auxiliary guide rail.
The positioning mechanism is aligned by F side through hole with the side the A threaded hole of the auxiliary guide rail, is realized by bolt solid
Connection, including pedestal, upper cover and bolt combination；The pedestal and upper cover are hollow structure, are equipped in the opposite circular hole of the two
The bolt combination；The bolt combination includes pull ring, square pin, bolt and spring.
Preferred according to the present invention, as shown in figure 4, mounting rack is back font structure, the left and right sides has two holes
Hole, for walking for rope.
It is preferred according to the present invention, with the pressure-resistant plate of the face truss platform C installed parallel should with C face interval a certain distance,
It prevents from interfering with the attachment on the surfaces such as condenser.
It is preferred according to the present invention, annulus G is machined in the middle part of the bolt, top is machined with rectangular pin hole H, and top adds
Work has pull ring hole；The spring is placed on outside bolt, the top of annulus G；The square pin is symmetrically inserted into the rectangular of the bolt
In pin hole H, length is less than the internal diameter of the spring；The Circularhole diameter of the pedestal is greater than the diameter of the bolt, is less than circle
Ring G diameter；The circular hole J diameter of the end cap is greater than annulus H diameter；The top surface of the end cap is provided with and circular hole G and circular hole J
Concentric circular hole K and through slot M；The circular hole K diameter is less than the diameter of the bolt；The through slot M and half through groove N length are big
In the length of the bolt, while also greater than the length of the pull ring.
A kind of installation of bilateral Backpack type industry elevator mechanism, working method, comprise the following steps that
1) traction machine and mounting rack are installed in the top of primary cooler, upper part fixed mounting plate, support tripod is installed in two sides
With fixed pulley group；
2) auxiliary guide rail is installed in the two sides of primary cooler, every side two by bolt；
3) it according to the spacing of auxiliary guide rail, designs and makes two groups of truss platforms, pressure-resistant plate and hanging ring are installed respectively；By position restrainer
Structure is installed in the face C of truss platform, and side installs four sets；
4) by the rectangular pin hole H of square pin insertion bolt, spring is inserted in the rectangular pin hole side H of bolt, it then will be without
In the circular hole of the other side inserted base of rectangular pin hole H, upper cover is connect with pedestal by bolt；Pull ring is packed into the drawing of bolt
In pin hole；Positioning mechanism is installed in the face C of truss platform, two groups of side；
5) two ropes are installed in parallel, and respective both ends are lain in respectively on the hanging ring of two sides, the intermediate fixed pulley group by two sides
And traction machine；
6) when working, the pull ring of two side positioning mechanisms is pulled out to the through slot M of gland, is loosed one's grip after being rotated by 90 °, half through groove N is fallen in
It is interior；Selection needs truss platform to be used, starts traction machine for truss platform and is elevated to corresponding position, pulls out half through groove of gland
N is rotated by 90 °, and is put back in the through slot M of gland after the pull ring of working side is pulled out.
The invention has the benefit that
1. bilateral Backpack type industry elevator mechanism of the present invention is, it can be achieved that controllable liter in the Large-Scale Equipments such as condenser two sides
It drops, can be facilitated using open carriage body mechanism and receive the cargo from equipment such as cranes, comprehensive, nothing can be carried out towards equipment extremely
The related assembly at angle or upkeep operation；
2. traditional clump weight is changed to move by bilateral Backpack type industry elevator of the present invention mechanism using double Knapsack structures
Platform, work while may be implemented two-sided, the mechanism structure is compact, easy to assemble, high-efficient, low in energy consumption, safe and reliable, load
Ability is strong, relatively low to environmental requirement.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of bilateral Backpack type industry elevator of the present invention mechanism；
Fig. 2 is the application case schematic diagram of bilateral Backpack type industry elevator of the present invention mechanism；
Fig. 3 is the structural schematic diagram of top unit of the present invention；
Fig. 4 is mounting rack of the present invention；
Fig. 5 is fixed pulley group of the present invention；
Fig. 6 is auxiliary guide rail of the present invention；
Fig. 7 is the structural schematic diagram of truss platform of the present invention；
Fig. 8 is the structural schematic diagram of position-limit mechanism of the present invention；
Fig. 9 is the structural schematic diagram of positioning mechanism of the present invention；
Figure 10 is the structural schematic diagram of pin assembly of the present invention；
Figure 11 is the structural schematic diagram of bolt of the present invention；
Wherein, 1, top unit；2, auxiliary guide rail；3, truss platform；4, position-limit mechanism；5, positioning mechanism；6, large scale equipment is (such as
Primary cooler)；1-1, traction machine；1-2, mounting rack；1-3, mounting plate；1-4, support tripod；1-5, fixed pulley group；1-6, rope
Rope；3-1, truss；3-2, pressure-resistant plate；3-3, hanging ring；5-1, pedestal；5-2, upper cover；5-3, bolt combination；5-3-1, pull ring；5-
3-2, square pin；5-3-3, bolt；5-3-4, spring.
Specific embodiment:
Below with reference to embodiment and Figure of description, the present invention will be further described, but not limited to this.
Embodiment 1
A kind of bilateral Backpack type industry elevator mechanism, as shown in Figure 1, including top unit 1, auxiliary guide rail 2, truss platform 3, limit
Position mechanism 4 and positioning mechanism 5；Bilateral Backpack type industry elevator mechanism, as shown in Fig. 2, whole can be assemblied in primary cooler 6 etc.
The outside of large-scale outdoor facilities；The top unit 1 is installed in the top of primary cooler 6, the auxiliary guide rail 2, truss platform 3,
Position-limit mechanism 4 and positioning mechanism 5 are located at the side of primary cooler 6, are symmetrically installed, and totally two groups.
As shown in figure 3, the top unit 1 includes traction machine 1-1, mounting rack 1-2, mounting plate 1-3, support tripod 1-
4, fixed pulley group 1-5 and rope 1-6；Told traction machine 1-1 and mounting rack 1-2 is installed on the top of primary cooler 6；The mounting plate
1-3 is installed in the top of mounting rack 1-2；It is installed in the angle space that the mounting rack 1-2 is formed with the two sides mounting plate 1-3
Support tripod 1-4 and fixed pulley group 1-5；The left and right ends the traction machine 1-1 are wound with a rope 1-6, rope two respectively
End passes through fixed pulley group 1-5 traction lower section load respectively.
The auxiliary guide rail 2 is as shown in fig. 6, specific features are as follows: generally L shape can be installed by the side A mounting hole
In the side of the Large-Scale Equipments such as condenser, meanwhile, the side B mounting hole can be used as the location hole of positioning mechanism 5.
The truss platform 3 is as shown in fig. 7, comprises truss 3-1, pressure-resistant plate 3-2 and hanging ring 3-3；The truss 3-1 is by type
Material composition, wherein the face C and the auxiliary guide rail 2 cooperate, and the load of vertical direction is born in the face D, and E bears in face the rope 1-6's
Pulling force；The pressure-resistant plate 3-2 is layed in the face D, E of truss 3-1；The hanging ring 3-3 is installed on the face the E crossbeam in the face C.
The position-limit mechanism 4 is fixed on the face C of truss platform 3 as shown in figure 8, referring to patent 201910274128.X
On, the limit to truss platform 3 is realized by the detent to auxiliary guide rail 2, makes it that can only move up and down along auxiliary guide rail 2.
The positioning mechanism 5 is aligned by F side through hole with the side the A threaded hole of the auxiliary guide rail 2, is realized by bolt solid
Connection, as shown in figure 9, including pedestal 5-1, upper cover 5-2 and bolt combine 5-3；The pedestal 5-1 and upper cover 5-2 is hollow knot
Structure is equipped with the bolt combination 5-3 in the opposite circular hole of the two；The bolt combination 5-3 includes pull ring 5-3-1, square pin
5-3-2,；Bolt 5-3-3 and spring 5-3-4, as shown in Figure 10.
Embodiment 2
Top unit 1 as described in Example 1, further, as shown in figure 4, mounting rack 1-2 is go back to font structure, left and right two
Side has two circular cavities, for walking for rope.
Embodiment 3
Truss platform 3 as described in Example 1, further, the pressure-resistant plate 3-2 with the face C installed parallel should be certain with C face interval
Distance, prevent from interfering with the attachment on 6 surface of condenser.
Embodiment 4
Positioning mechanism 5 as described in Example 1 further as shown in figure 11, is machined with circle in the middle part of the bolt 5-3-3
Ring G, top are machined with rectangular pin hole H, and top is machined with pull ring hole；The spring 5-3-4 is placed on outside bolt 5-3-3, annulus G
Top；The square pin 5-3-2 is symmetrically inserted into the rectangular pin hole H of the bolt 5-3-3, and length is less than the spring 5-
The internal diameter of 3-4；The Circularhole diameter of the pedestal 5-1 is greater than the diameter of the bolt 5-3-3, is less than annulus G diameter；The end cap
The circular hole J diameter of 5-2 is greater than annulus H diameter；As shown in figure 9, the top surface of the end cap 5-2 is provided with and circular hole G and circular hole J
Concentric circular hole K and through slot M and half through groove N；The circular hole K diameter is less than the diameter of the bolt 5-3-3；The through slot M
The length of the bolt 5-3-3 is all larger than with half through groove N length, while also greater than the length of the pull ring 5-3-1.
Embodiment 5
Bilateral Backpack type industry elevator mechanism as described in Example 1, further, the same safety devices such as including limiter of speed.
Embodiment 6
A kind of installation of bilateral Backpack type industry elevator mechanism described in embodiment 1-4, working method, comprise the following steps that
1) traction machine 1-1 and mounting rack 1-2 are installed in the top of primary cooler 6, upper part fixed mounting plate 1-3, two sides installation
Support tripod 1-4 and fixed pulley group 1-5；
2) auxiliary guide rail 2 is installed in the two sides of primary cooler 6, every side two by bolt；
3) it according to the spacing of auxiliary guide rail 2, designs and makes two groups of truss platform 3-1, pressure-resistant plate 3-2 and hanging ring 3- is installed respectively
3；Position-limit mechanism is installed in the face C of truss platform 3, side installs four sets；
4) by the rectangular pin hole H of square pin 5-3-2 insertion bolt 5-3-3, spring 5-3-4 is inserted in the rectangular of bolt 5-3-3
Pin hole side H, then by without in the circular hole of the other side inserted base 5-1 of rectangular pin hole H, by bolt by upper cover 5-2 with
Pedestal 5-1 connection；Pull ring 5-3-1 is packed into the pulling pin hole of bolt 5-3-3；Positioning mechanism 5 is installed in the C of truss platform 3
Face, two groups of side；
5) two rope 1-6 are installed in parallel, and respective both ends are lain in respectively on the hanging ring 3-3 of two sides, and centre is determined by two sides
Pulley blocks 1-5 and traction machine 1-1；
6) when working, the pull ring 5-3-1 of two side positioning mechanisms 5 is pulled out to the through slot M of gland 5-2, looses one's grip, falls after being rotated by 90 °
In half through groove N；Selection needs truss platform 3 to be used, starts traction machine 1-1 for truss platform 3 and is elevated to corresponding position, draws
The half through groove N of gland 5-2 out, is rotated by 90 °, and is put back in the through slot M of gland 5-2 after the pull ring 5-3-1 of working side is pulled out.
Claims (7)
1. a kind of bilateral Backpack type industry elevator mechanism, which is characterized in that including auxiliary guide rail, traction machine, truss platform, limit
Mechanism and positioning mechanism.Bilateral Backpack type industry elevator mechanism can integrally be assemblied in the large-scale outdoor facilities such as primary cooler
Outside；The top unit is installed in the top of primary cooler, the auxiliary guide rail, truss platform, position-limit mechanism and positioning mechanism
It positioned at the side of primary cooler, is symmetrically installed, totally two groups.
2. top unit according to claim 1, which is characterized in that including traction machine, mounting rack, mounting plate, support three
Foot prop, fixed pulley group and rope；Told traction machine and mounting rack are installed on the top of the large-scale outdoor equipment such as primary cooler；The peace
Loading board is installed in the top of mounting rack；Three feet of support are installed in the angle space that the mounting rack and mounting plate two sides are formed
Frame and fixed pulley group；The traction machine left and right ends are wound with a rope respectively, and rope ends pass through fixed pulley group respectively and lead
Draw lower section load.
3. auxiliary guide rail according to claim 1, which is characterized in that generally L shape can be filled by the side A mounting hole
Set on the side of the Large-Scale Equipments such as condenser, meanwhile, the side B mounting hole can be used as the location hole of positioning mechanism.
4. truss platform according to claim 1, which is characterized in that including truss, pressure-resistant plate and hanging ring；The truss by
Profile composition, wherein the face C and the auxiliary guide rail cooperate, and the load of vertical direction is born in the face D, and E bears in face the drawing of the rope
Power；The pressure-resistant plate is layed in the face D, E of truss；The hanging ring is installed on the face the E crossbeam in the face C.
5. positioning mechanism according to claim 1, which is characterized in that pass through the side the A spiral shell of F side through hole and the auxiliary guide rail
Pit alignment is connected firmly by bolt realization, including pedestal, upper cover and bolt combination；The pedestal and upper cover are hollow structure,
The bolt combination is equipped in the opposite circular hole of the two；The bolt combination includes pull ring, square pin, bolt and bullet.
6. bolt according to claim 5, which is characterized in that middle part is machined with annulus G, and top is machined with rectangular pin hole H,
Top is machined with pull ring hole；The spring is placed on outside bolt, the top of annulus G；The square pin is symmetrically inserted into the bolt
Rectangular pin hole H in, length be less than the spring internal diameter；The Circularhole diameter of the pedestal is greater than the diameter of the bolt,
Less than annulus G diameter；The circular hole J diameter of the end cap is greater than annulus H diameter；The top surface of the end cap is provided with and circular hole G
The circular hole K and through slot M concentric with circular hole J；The circular hole K diameter is less than the diameter of the bolt；The through slot M and half through groove N
Length is all larger than the length of the bolt, while also greater than the length of the pull ring.
7. a kind of installation of bilateral Backpack type industry elevator as claimed in any one of claims 1 to 6 mechanism, working method, special
Sign is, comprises the following steps that
1) traction machine and mounting rack are installed in the top of primary cooler, upper part fixed mounting plate, support tripod is installed in two sides
With fixed pulley group；
2) auxiliary guide rail is installed in the two sides of primary cooler, every side two by bolt；
3) it according to the spacing of auxiliary guide rail, designs and makes two groups of truss platforms, pressure-resistant plate and hanging ring are installed respectively；By position restrainer
Structure is installed in the face C of truss platform, and side installs four sets；
4) by the rectangular pin hole H of square pin insertion bolt, spring is inserted in the rectangular pin hole side H of bolt, it then will be without
In the circular hole of the other side inserted base of rectangular pin hole H, upper cover is connect with pedestal by bolt；Pull ring is packed into the drawing of bolt
In pin hole；Positioning mechanism is installed in the face C of truss platform, two groups of side；
5) two ropes are installed in parallel, and respective both ends are lain in respectively on the hanging ring of two sides, the intermediate fixed pulley group by two sides
And traction machine；
6) when working, the pull ring of two side positioning mechanisms is pulled out to the through slot M of gland, is loosed one's grip after being rotated by 90 °, half through groove N is fallen in
It is interior；Selection needs truss platform to be used, starts traction machine for truss platform and is elevated to corresponding position, pulls out half through groove of gland
N is rotated by 90 °, and is put back in the through slot M of gland after the pull ring of working side is pulled out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910416275.6A CN110127572B (en) | 2019-05-20 | 2019-05-20 | Double-side backpack type industrial elevator mechanism and installation and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910416275.6A CN110127572B (en) | 2019-05-20 | 2019-05-20 | Double-side backpack type industrial elevator mechanism and installation and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110127572A true CN110127572A (en) | 2019-08-16 |
| CN110127572B CN110127572B (en) | 2020-11-03 |
Family
ID=67571613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910416275.6A Active CN110127572B (en) | 2019-05-20 | 2019-05-20 | Double-side backpack type industrial elevator mechanism and installation and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110127572B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697616A (en) * | 2019-11-13 | 2020-01-17 | 济南冶金化工设备有限公司 | Lifting device for be used for primary cooler installation and construction usefulness and primary cooler |
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| JP2014156318A (en) * | 2013-02-15 | 2014-08-28 | Kito Corp | Rope hoist |
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| JP3200480U (en) * | 2015-07-31 | 2015-10-22 | 株式会社ミツケ商会 | Mobile simple cargo handling equipment |
| CN207294018U (en) * | 2017-10-09 | 2018-05-01 | 中际联合（天津）科技有限公司 | A kind of traction rope guidance system for truss-like wind power tower lifting means |
| CN207418091U (en) * | 2017-11-21 | 2018-05-29 | 怡达快速电梯有限公司 | New Knapsack-rack home lift |
| CN208772683U (en) * | 2018-06-08 | 2019-04-23 | 江苏海灵重工设备科技有限公司 | A kind of big barrel dliameter outer ring welding rack device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014156318A (en) * | 2013-02-15 | 2014-08-28 | Kito Corp | Rope hoist |
| CN203820369U (en) * | 2014-04-10 | 2014-09-10 | 上海三荣电梯制造有限公司 | Traction-type external lifting platform |
| JP3200480U (en) * | 2015-07-31 | 2015-10-22 | 株式会社ミツケ商会 | Mobile simple cargo handling equipment |
| CN207294018U (en) * | 2017-10-09 | 2018-05-01 | 中际联合（天津）科技有限公司 | A kind of traction rope guidance system for truss-like wind power tower lifting means |
| CN207418091U (en) * | 2017-11-21 | 2018-05-29 | 怡达快速电梯有限公司 | New Knapsack-rack home lift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110697616A (en) * | 2019-11-13 | 2020-01-17 | 济南冶金化工设备有限公司 | Lifting device for be used for primary cooler installation and construction usefulness and primary cooler |
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| Publication number | Publication date |
|---|---|
| CN110127572B (en) | 2020-11-03 |
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