CN1538930A - Raising system for scaffolding - Google Patents
Raising system for scaffolding Download PDFInfo
- Publication number
- CN1538930A CN1538930A CNA01823514XA CN01823514A CN1538930A CN 1538930 A CN1538930 A CN 1538930A CN A01823514X A CNA01823514X A CN A01823514XA CN 01823514 A CN01823514 A CN 01823514A CN 1538930 A CN1538930 A CN 1538930A
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- China
- Prior art keywords
- wheel assembly
- framework
- roll wheel
- power available
- tooth
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
- B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
A raising system for scaffolding, elevator cabins and the like which includes a vertical stationary beam member from one side of which equally vertically spaced similar rack teeth are protruding, each tooth having a substantially horizontal straight top face. The system has a framework guide for up and down movement along the beam member, a power driven shaft rotatably supported by the framework and carrying spaced radical supports, a series of parallel idle shafts extending between the supports, equal spaced from one another and radially equal spaced from the driven shaft, and a plurality of cylindrical roller assemblies rotatably mounted on the idle shafts and adapted to come in successive rolling engagement with the top faces of the teeth during upward or downward movement of the framework. Each roller assembly includes several rollers coaxially disposed side by side.
Description
Technical field
The present invention relates to be used for the elevator system of the landing stage of scaffold, cage or the like.
Background technology
For a long time, we know, use the rack and pinion system to come hoisting scaffold workplatform or cage.Because the wipe contact of wheel tooth and rack tooth needs to oil for each tooth often.Oiling during working expenditure and being difficult to like this carried out on the tooth bar of assembly for scaffold externally.Such tooth bar is fixed on the high tower up to some floors usually.The granule that falls usually can be bonded on the tooth of oil, and causes the elevator system fault because of the bad engagement between wheel and rack.
Summary of the invention
Therefore, main purpose of the present invention provides a kind of rack and pinion system, and this system is used for elevator and scaffold and has avoided above-mentioned shortcoming.
Another object of the present invention provides a kind of rack and pinion system, and wherein, the wheel and rack tooth does not have frictional fit, gives rack tooth and gear fat liquored necessity thereby eliminated.
Another object of the present invention provides a kind of rack and pinion elevator system, and it can promote a kip or heavier heavy duty.
By reading over detailed description provided herein, suitably with reference to the accompanying drawings, other purposes of the present invention and advantage will become clear.
The present invention relates to a kind of elevator system that is used for the landing stage of scaffold, cage or the like, comprising: vertical fixed beam parts; Be fixed in a series of equally spaced similar rack tooth of described beam parts, each rack tooth all has flat top, tip and the lower surface of basic horizontal; And framework, be used to be directed vertically move up and down along described beam parts; Be installed on the described framework and with described rack tooth gears in mesh device, described wheel word comprises: with rotary way by described frame supported and stride across the Power Available Shaft that described beam parts extend, be fixed in a pair of spaced apart parallel radial supporter of described Power Available Shaft, and the lazy axle of the series of parallel of between described strut member, extending, these lazy axles each other equi-spaced apart and diametrically with described Power Available Shaft equi-spaced apart, and be installed in columniform roll wheel assembly on each lazy axle with rotary way, described cylinder roll wheel assembly equal diameters and length are slightly less than the distance between described two strut members, when thereby described Power Available Shaft rotates along the described framework of described vertical beam members uplift in the same direction as, perhaps described power driven axially another direction rotation so that when described beam parts reduce described framework, described roll wheel assembly can be freely rotates on their lazy axles separately, avoids described lower surface and is carried on the end face of described rack tooth and rolls thereon.Each roll wheel assembly all comprises the roller that several are arranged side by side.
The diameter of described roll wheel assembly is less than the vertical distance between the lower surface of the end face of below tooth and top adjacent teeth, thus above described the lower surface of tooth and and described below reserve the gap between the roll wheel assembly of end face rolling touch of tooth.
Preferably, described lower surface is along the inclination that is directed downwards away from described tip.
Preferably, needle bearing is arranged between described lazy axle and the described roll wheel assembly.
Preferably, described lower surface is along the inclination that is directed downwards away from described tip.
Preferably, sleeve tightly matches round described a plurality of rollers and with it.
Preferably, the spaced radial between the interval between the adjacent rollers assembly and they and the described Power Available Shaft makes adjacent roll wheel assembly roll on the end face of adjacent teeth continuously.
Preferably, described Power Available Shaft has two opposing ends, and each end all stretches out from described framework, and this system comprises a pair of HM Hydraulic Motor that is connected to described opposite end respectively drivingly.
The invention still further relates to a kind of above-mentioned elevator system and the combination of scaffold, comprise: many sides tower, the sleeve part that is used to guide up-and-down movement around described tower installation, and the workplatform that supports by described sleeve part, be fixed to the described fixed beam parts of a side of described tower, described side at described tower is fixed to described sleeve part and the described framework from wherein outwards giving prominence to, and comprise safety lever with respect to the rotation of described framework, safety lever is carried out counterweight, it is automatically rotated on each adjacent rack tooth on described crown and in the process that described sleeve part moves up.
Description of drawings
In the accompanying drawings, identical label is represented identical parts all the time.
Fig. 1 is part side-looking, the cutaway drawing of connection system for guide rail, this connection system for guide rail comprises the tower that has tooth bar, be directed the sleeve part that moves up and down along tower and with the rack tooth mating gear;
Fig. 2 is the top view cutaway view along the line 2-2 intercepting of Fig. 1;
Fig. 3 is the transparent view of gear;
Fig. 4 is the lateral plan of gear;
Fig. 5 is the top view of gear;
Fig. 6 is the part decomposition diagram of a roll wheel assembly;
Fig. 7 is the longitudinal section of the assembly of Fig. 6; And
The part lateral plan how Fig. 8,9 and 10 rolls on rack tooth for each roll wheel assembly that gear is shown.
The specific embodiment
Purpose for signal will describe the preferred embodiments of the present invention at this, with reference to the accompanying drawings not as any type of restriction.
With reference to Fig. 1 and 2, show tower 2, itself and wall W is spaced apart and be fixed on the wall by isolated wall nail 4 vertically.Sleeve part 6 stays the opening 8 towards wall W partly round tower 2, thereby makes sleeve part 6 can avoid wall nail 4 in its process that moves up and down along tower 2.Sleeve part 6 is guided along tower 2 by the guide roller 10 that rolls on the corner post 11 of tower 2.Preferably, tower 2 and sleeve part 6 all have the square-section.Hook 12 is fixed on the sleeve part 6 at the side place that it is vertically to wall W, thereby has hung the employed workplatform (not shown) as bricklayer's workpeople.
Elevator system of the present invention comprises vertical beam 14, and this vertical beam 14 is followed closely 4 relative side places at itself and wall and is fixed on the tower 2.Rack tooth 16 is with the spacing welding that equates or be fixed to rigidly on the vertical beam 14 or in aggregates with it.Each rack tooth 16 all has the straight end face of level 18 and away from the downward-sloping curved lower surfaces 20 in the tip 22 of tooth 16.
Wheel word by 24 overall expressions is used for being meshed with rack tooth 16.Wheel word 24 is installed on the framework 26 that is fixed to rigidly on the sleeve part 6.This framework 26 extends away from wall nail 4 in a side of sleeve part 6, and comprises support 28 and the bearing 30 that is fixed on the sleeve part 6.Shell 32 in support 28 upper supports, thereby wheel word 24 and CD-ROM drive motor thereof are partly sealed.CD-ROM drive motor provides energy by appropriate energy source, for example is contained in an ICE-powered Hydraulic Pump in the absolute construction 29, and preferably, structure 29 is fixed on below the support 28.
In Fig. 3 to 5, there is not the sleeve 60 shown in Fig. 6 and 7, because it is not critical component and can gives up.
The diameter of each roll wheel assembly 52 is all less than the vertical distance between the lower surface 20 of the end face 18 of below tooth 16 and below tooth 16, thus the lower surface 20 of tooth 16 and and adjacent below reserve the gap between the end face 18 contacted roll wheel assemblies 52 of tooth 16.
Should be noted that because rack and pinion always is subjected to action of gravity so no matter sleeve part 6 raises along tower 2 still descend, each roll wheel assembly 52 all only contacts the end face 18 of continuous rack tooth 16, and needn't contact the lower surface 20 of described tooth.
Shown in Fig. 8,9 and 10, wheel word 24 respectively according to arrow A, B and C rotating process in, roll wheel assembly 52 will match with next upper rack tooth 16 continuously, and will be only rolls on the end face 18 of rack tooth 16 and do not produce any friction.And no matter sleeve part 6 moves up or down, roll wheel assembly 52 and below the lower surface 20 of tooth 16 between all without any friction.Needn't oil for rack tooth 16 or for roll wheel assembly 52.Even many or whereabouts granule can drop under the situation on the rack tooth at dust, this system also can work finely.
Two HM Hydraulic Motor 38 are connected the opposite end of axle, and this makes Power Available Shaft 34 can reduce to be applied to this torsion on 34, particularly in the process of sleeve part 6 with the upward movement of load.
When this system is used for scaffold, preferably, provide safety lever 62, it 64 horizontally rotates below support 28 around the shaft, and can match with the end face 18 of continuous tooth 16 under the effect of counterweight 66, counterweight 66 is fixed to lever 62 and extends on the direction opposite with tooth 16.When sleeve part 6 rose, safety lever 62 will be in the position above slip on the rack tooth tip 22 also automatically is in tooth 16.
When sleeve part 6 and platform decline thereof, generator remains on lever 62 on the position, thereby avoids continuous tooth 16.Preferably, control arm 68 is fixed to counterweight 66 rigidly at the one end, and is used for admitting handle 70 at the other end.Control arm 68 extends by the opening in the support 28 67, and handle 70 mentioned by the workman and remain on this position, thereby makes lever 62 avoid each tooth 16.
Obviously, elevator system of the present invention can be used with cage, and this hour rack 14 and tooth 16 thereof are in the relative both sides of cage.In the case, can use two wheel words of installing relatively 24.
Although one embodiment of the present of invention have been illustrated in the accompanying drawings and obtained explanation in above-mentioned specification sheets, but should be appreciated that, the invention is not restricted to the embodiment of the disclosure, and under the prerequisite that does not deviate from scope of the present invention as described in the appended claims, resetting, revise and replacing of countless versions can be arranged.
Claims (14)
1. an elevator system that is used for lifting platform comprises vertical fixed beam parts (14); The a series of equally spaced similar rack tooth (16) that is fixed in described beam parts (14) and stretches out from its sidepiece, each rack tooth (16) all have the flat top (18) of basic horizontal, most advanced and sophisticated (22) and lower surface (20); And framework (26), be used to be directed move up and down vertically along described beam parts (14); Be installed in that described framework (26) is gone up and with described rack tooth (16) gears in mesh device (24), described wheel word (24) comprise with rotary way support by described framework (26) and perpendicular to, be interval in, stride across the Power Available Shaft (34) that described beam parts (14) extend, be fixed in a pair of spaced apart parallel radial supporter (40) of described Power Available Shaft (34), and the lazy axle (46) of the series of parallel of between described strut member (40), extending, these lazy axles each other equi-spaced apart and diametrically with described Power Available Shaft (34) equi-spaced apart, and be installed in cylindrical roller assembly (52) on each lazy axle (46) with rotary way, the equal diameters of described cylinder roll wheel assembly (52) and length are slightly less than the distance between described two strut members (40), at described Power Available Shaft (34) thus rotation is when described vertical beam parts (14) promote described framework (26) in the same direction as, perhaps at described Power Available Shaft (34) to the rotation of another direction so that when described beam parts (14) reduce described framework, described roll wheel assembly (52) can freely be gone up at their lazy axles (46) separately and rotate, the end face (18) of avoiding described lower surface (20) and being carried on described rack tooth (16) is gone up and is rolled thereon, wherein, each roll wheel assembly (52) all comprises several rollers that coaxially is arranged side by side (56).
2. according to the elevator system of claim 1, it is characterized in that, the diameter of described roll wheel assembly (52) is less than the vertical distance between the lower surface (20) of the end face (18) of below tooth (16) and top adjacent teeth (16), thus above described the lower surface (20) of tooth (16) and and the roll wheel assembly (52) of end face (18) rolling touch of described below tooth (16) between reserve the gap.
3. according to the elevator system of claim 1 or 2, it is characterized in that described lower surface (20) is along the inclination that is directed downwards away from described tip (22).
4. according to the elevator system of claim 1 or 3, it is characterized in that, also comprise the needle bearing (58) that is arranged between described lazy axle (46) and the described roll wheel assembly (52).
5. according to the elevator system of claim 4, it is characterized in that, also comprise tightly round described a plurality of rollers (56) and the sleeve (60) that matches with it.
6. according to the elevator system of claim 1 or 5, it is characterized in that the spaced radial between the interval between the adjacent rollers assembly (52) and they and the described Power Available Shaft (34) makes adjacent roll wheel assembly (52) go up at the end face (18) of adjacent teeth (16) continuously and rolls.
7. according to the elevator system of claim 1 or 6, it is characterized in that, described Power Available Shaft (34) has two opposing ends, and each end all stretches out from described framework (26), and this system also comprises a pair of HM Hydraulic Motor (38) that is connected to described opposite end respectively drivingly.
8. the combination of elevator system and scaffold, comprise many sides tower (2), center on the sleeve part that is used to guide up-and-down movement (6) of described tower (2) installation and the workplatform that supports by described sleeve part (6), described elevator system comprises a side that is fixed in described tower (2) and a series of equally spaced similar rack tooth (16) that stretches out from its sidepiece, and each rack tooth (16) all has the flat top (18) of basic horizontal, most advanced and sophisticated (22) and lower surface (20); Fixing and with the described sleeve part (6) that is positioned at described tower (2) one sides from its outwardly directed framework (26); Be installed in that described framework (26) is gone up and with described rack tooth (16) gears in mesh device (24), described wheel word (24) comprising: with rotary way support by described framework (26) and perpendicular to, be interval in, stride across the Power Available Shaft (34) that described tower (2) extends, be fixed in a pair of spaced apart parallel radial supporter (40) of described Power Available Shaft (34), and the lazy axle (46) of the series of parallel of between described strut member (40), extending, these lazy axles (46) each other equi-spaced apart and diametrically with described Power Available Shaft (34) equi-spaced apart, and be installed in cylindrical roller assembly (52) on each lazy axle (46) with rotary way, the equal diameters of described cylinder roll wheel assembly (52) and length are slightly less than the distance between described two strut members (40), rotate in the same direction as so that when described tower (2) promotes described framework (26) and sleeve part (6) at described Power Available Shaft (34), perhaps at described Power Available Shaft (34) to the rotation of another direction so that when described tower (2) reduces described framework (26) and sleeve part (6), described roll wheel assembly (52) can be freely gone up at their lazy axles (46) separately and is rotated, and the end face (18) of avoiding described lower surface (20) and being carried on described rack tooth (16) is gone up and rolled thereon; And comprise safety lever (62) with respect to described framework (26) rotation, safety lever (62) is carried out counterweight, make it go up and in the process that described sleeve part (6) moves up, automatically go up and rotate at each adjacent rack tooth (16) across described crown (22), wherein, each roll wheel assembly (52) all comprises several rollers that coaxially is arranged side by side (56).
9. combination according to Claim 8, it is characterized in that, the diameter of described roll wheel assembly (52) is less than the vertical distance between the lower surface (20) of the end face (18) of below tooth (16) and top adjacent teeth (16), thus above described the lower surface (20) of tooth (16) and and the roll wheel assembly (52) of end face (18) rolling touch of described below tooth (16) between reserve the gap.
10. according to the combination of claim 9, it is characterized in that described lower surface (20) is along the inclination that is directed downwards away from described tip (22).
11. the combination according to claim 10 is characterized in that, also comprises the needle bearing (58) that is arranged between described lazy axle (46) and the described roll wheel assembly (52).
12. the combination according to claim 11 is characterized in that, also comprises tightly round described a plurality of rollers (56) and the sleeve (60) that matches with it.
13. combination according to claim 12, it is characterized in that the spaced radial between the interval between the adjacent rollers assembly (52) and they and the described Power Available Shaft (34) makes adjacent roll wheel assembly (52) go up at the end face (18) of adjacent teeth (16) continuously and rolls.
14. combination according to claim 13, it is characterized in that, described Power Available Shaft (34) has two opposing ends, and each end all stretches out from described framework (26), and this system also comprises a pair of HM Hydraulic Motor (38) that is connected to described opposite end respectively drivingly.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA2001/001125 WO2003011737A1 (en) | 2001-08-03 | 2001-08-03 | Raising system for scaffolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1538930A true CN1538930A (en) | 2004-10-20 |
Family
ID=4143157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA01823514XA Pending CN1538930A (en) | 2001-08-03 | 2001-08-03 | Raising system for scaffolding |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1538930A (en) |
| WO (1) | WO2003011737A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747831A (en) * | 2012-06-19 | 2012-10-24 | 张玉家 | Sleeve rail type electric attachment lifting scaffold |
| CN107055285A (en) * | 2017-04-27 | 2017-08-18 | 董胜青 | A kind of box lift truck of track gear |
| CN110719881A (en) * | 2017-06-12 | 2020-01-21 | 三菱电机株式会社 | Scaffold for maintenance of car door device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220940C1 (en) * | 1992-06-26 | 1993-10-14 | Mack Heinrich Gmbh & Co | Backstop for a railroad |
| JP2984967B2 (en) * | 1992-12-04 | 1999-11-29 | 良忠 越原 | Rolling drive of rolling mesh drive |
| JP3705449B2 (en) * | 1995-04-06 | 2005-10-12 | 越原 良忠 | Elevator for construction |
-
2001
- 2001-08-03 CN CNA01823514XA patent/CN1538930A/en active Pending
- 2001-08-03 WO PCT/CA2001/001125 patent/WO2003011737A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747831A (en) * | 2012-06-19 | 2012-10-24 | 张玉家 | Sleeve rail type electric attachment lifting scaffold |
| CN102747831B (en) * | 2012-06-19 | 2015-02-18 | 张玉家 | Sleeve rail type electric attachment lifting scaffold |
| CN107055285A (en) * | 2017-04-27 | 2017-08-18 | 董胜青 | A kind of box lift truck of track gear |
| CN110719881A (en) * | 2017-06-12 | 2020-01-21 | 三菱电机株式会社 | Scaffold for maintenance of car door device |
| CN110719881B (en) * | 2017-06-12 | 2021-01-29 | 三菱电机株式会社 | Scaffold for maintenance of car door device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003011737A1 (en) | 2003-02-13 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |