CN103466411A - Double-rolling-wheel device and lifter with same - Google Patents
Double-rolling-wheel device and lifter with same Download PDFInfo
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- CN103466411A CN103466411A CN2013104123364A CN201310412336A CN103466411A CN 103466411 A CN103466411 A CN 103466411A CN 2013104123364 A CN2013104123364 A CN 2013104123364A CN 201310412336 A CN201310412336 A CN 201310412336A CN 103466411 A CN103466411 A CN 103466411A
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- 238000013461 design Methods 0.000 description 4
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- 230000002146 bilateral effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a double-rolling-wheel device and a lifter with same. The double-rolling-wheel device comprises a central portion (30) which is fixed on a hoisting cage vertical column (10) and a rolling wheel support (40) which is sleeved on the central portion (30) along the axis direction of the central portion (30) in a rotatable mode; the central portion (30) is provided with two blocking portions which are arranged along the axis direction of the central portion (30); the rolling wheel support (40) which is arranged between the two blocking portions are in clearance fit with the two blocking portions. According to the technical scheme of the double-rolling-wheel device, the service life of a bearing is prolonged.
Description
Technical field
The present invention relates to construction machinery and equipment, in particular to the two roller devices of a kind of elevator and there is its elevator.
Background technology
Elevator, for vertically hanging loading material or personnel, generally comprises cage and guide rail bracket, and cage moves along guide rail bracket by roller, realizes vertically hanging a year function.As shown in Figure 1, the cage column 10 ' of cage is fixedly connected with two roller devices, and two roller devices can be done vertical motion along guide rail bracket 20 ', thereby drive the cage perpendicular movement.
Two roller devices comprise turning rolls 40 ', tie bolt 31 ' and two roller assemblies 50 ', wherein tie bolt 31 ' is through the middle part of turning rolls 40 ', again through after axle sleeve 32 ', with nut 30 ', axle sleeve 32 ' is fastened on cage column 10 ', axle sleeve 32 ' is free-running fit with turning rolls 40 ', and turning rolls 40 ' can be rotated around the axis direction of axle sleeve 32 '.A roller assembly 50 ' is respectively installed at the two ends of turning rolls 40 ', each roller assembly 50 ' comprises bolt of rear end plate 51 ', eccentric shaft 52 ', bearing 53 ' and roller 54 ', wherein bolt of rear end plate 51 ' is located on turning rolls 40 ', eccentric shaft 52 ' is screwed onto on bolt of rear end plate 51 ', it is upper that bearing 53 ' is set in eccentric shaft 52 ', and it is upper that roller 54 ' is set in bearing 53 ', and roller 54 ' contacts with guide rail bracket 20 ', and along guide rail bracket 20 ' friction of rolling, up-and-down movement.Eccentric shaft 52 ' can realize ± adjustment of 4 millimeters, after adjusting, with bolt of rear end plate 51 ', be fastened on turning rolls 40 '.
There is error in welding process due to guide rail bracket 20 ', the impact caused in order to overcome error, roller 54 ' need to have axial movement space, is embodied between eccentric shaft 52 ' and bearing 53 ' as free-running fit, makes the roller 54 ' can end float misalignment 5 millimeters.But this end float misalignment can cause the bearing 53 ' lost of life, so that a whole set of two roller devices is frequently damaged.
Summary of the invention
The present invention aims to provide the two roller devices of a kind of elevator and has its elevator, can extend the service life of bearing.
To achieve these goals, according to an aspect of the present invention, provide a kind of elevator two roller devices, having comprised: central part, be fixed on the cage column of elevator; And turning rolls, around the axis direction of central part, be set in rotationally on central part; Central part has two stopper sections arranging along its axis direction, and turning rolls, between two stopper sections, and forms free-running fits with two stopper sections.
Further, central part has circumferential recess, and two relative sidewalls of circumferential recess form two stopper sections, and turning rolls is embedded in circumferential recess.
Further, central part comprises: the first axle, be fixed on the cage column; And second axle, with the first axle, removably be connected, form circumferential recess between the second axle and the first axle.
Further, the first axle comprises: anchor shaft is fixed on the cage column, and removably is connected with the second axle; And axle sleeve, be set on anchor shaft, and be connected between the second axle and cage column, form circumferential recess between axle sleeve and the second axle.
Further, axle sleeve has the first flange, and the second axle has the second flange, and the first flange and the second flange are oppositely arranged two sidewalls as circumferential recess.
Further, anchor shaft and the second axle are screwed onto respectively on tie bolt; Anchor shaft is the first eccentric shaft, has eccentric orfice; The second axle is the second eccentric shaft, has eccentric boss, and eccentric boss is embedded in eccentric orfice.
Further, be provided with nylon sleeve in circumferential recess, nylon sleeve comprises and is set in the first nylon sleeve on axle sleeve and is set in the second nylon sleeve on the second axle, nylon sleeve and turning rolls free-running fit.
Further, central part also comprises: bent plate, be fixed on the cage column; And fixing chuck plate, be set in regularly on anchor shaft and with bent plate and be fixedly connected with.
Further, fixing chuck plate has endoporus, and the internal perisporium of endoporus has the first spacing plane, and anchor shaft is embedded in endoporus, and the periphery wall of anchor shaft has the second spacing plane corresponding with the first spacing plane.
Further, turning rolls comprises two support plates that are oppositely arranged, and two support plates are set on central part around the axis direction of central part respectively rotationally; The two roller devices of elevator also comprise two roller assemblies, and two roller assemblies lay respectively at the relative both sides of central part, and each the roller assembly in two roller assemblies is arranged between two support plates.
Further, the roller assembly comprises: bolt of rear end plate is located on turning rolls regularly; Wheel shaft, be screwed onto on bolt of rear end plate; Bearing, be set on wheel shaft and with the wheel shaft transition fit; And roller, be set on bearing.
Further, the end of bolt of rear end plate is arranged with circular nut and stop washer.
According to a further aspect in the invention, provide a kind of elevator, comprised the two roller devices of elevator, the two roller devices of elevator are the two roller devices of aforesaid elevator.
Apply technical scheme of the present invention, turning rolls is installed on the cage column by central part, the roller assembly is arranged on turning rolls, by between central part and turning rolls, forming free-running fit, make the turning rolls can be along the axis direction play of central part, thereby drive the roller end float misalignment in the roller assembly, to meet operating needs, technical scheme of the present invention, free-running fit between prior art centre bearer and roller is transferred between central part and turning rolls, under the prerequisite of the end float misalignment needs that can guarantee to meet roller, make between bearing and roller coordinate more reasonable, extended the service life of bearing.
The accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 shows the schematic diagram according to the two roller devices of elevator of prior art;
Fig. 2 shows the schematic diagram of the two roller devices of elevator according to an embodiment of the invention;
Fig. 3 shows the A place enlarged drawing according to Fig. 2;
Fig. 4 shows the B place enlarged drawing according to Fig. 2;
Fig. 5 shows the schematic diagram of the axle sleeve of the two roller devices of elevator according to an embodiment of the invention;
Fig. 6 shows the schematic diagram of the anchor shaft of the two roller devices of elevator according to an embodiment of the invention;
Fig. 7 shows C-C according to Fig. 6 to cutaway view;
Fig. 8 shows the schematic diagram of the second axle of the two roller devices of elevator according to an embodiment of the invention;
Fig. 9 shows D-D according to Fig. 8 to cutaway view;
Figure 10 shows the right elevation according to Fig. 8.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Fig. 2 to Figure 10, according to embodiments of the invention, provide a kind of elevator two roller devices, comprise central part 30, turning rolls 40 and roller assembly 50.In conjunction with referring to Fig. 2, central part 30 is fixed on the cage column 10 of elevator as centre of gration, turning rolls 40 is set on central part 30, and can rotate around the axis direction of central part 30, roller assembly 50 has two, two roller assemblies 50 lay respectively at the relative both sides of central part 30, and each roller assembly 50 is separately positioned on turning rolls 40.Central part 30 has two stopper sections, two stopper sections are along the axis direction positioned opposite of central part 30, turning rolls 40 is between two stopper sections, forming axial stop with two stopper sections coordinates, and turning rolls 40 and two stopper sections are free-running fit, make turning rolls 40 produce end float misalignment between two stopper sections, the play distance is X, and the requirement of axial movement space is arranged to meet roller assembly 50 needs.
In elevator, the actuating unit that it has drives elevator and the two roller devices of elevator pass through roller assembly 50 along the guide rail bracket dipping and heaving, guide rail bracket is formed by a plurality of during welding for steel structures, error in welding process can cause roller assembly 50 to keep laminating with guide rail bracket, so, in order to overcome this problem, generally can require roller assembly 50 to there is certain axial movement space.In prior art, the axial movement space of roller assembly 50 is generally to realize by the wheel shaft in roller assembly 50 and the free-running fit between bearing, and still, free-running fit causes bearing life to shorten, so that a whole set of roller assembly 50 damages frequent.The present invention transfers to the axial fit clearance between wheel shaft and bearing between central part 30 and turning rolls 40, both can meet roller assembly 50 needs has the requirement of axial movement space, make again between bearing and roller coordinate more reasonable, can not cause bearing to sustain damage, extend the service life of bearing.
The mode that forms stopper section on central part 30 has a lot, preferably, periphery at central part 30 is offered circumferential recess, two relative sidewalls of axial notch have just formed two stopper sections, turning rolls 40 is embedded in axial notch, free-running fit between sidewall that turning rolls 40 is relative with two of axial notch is got final product.
Certainly, stopper section also can be arranged on the projection of central part 30 peripheries, and turning rolls 40 is clipped between two projections, also can form the free-running fit structure.
In conjunction with referring to Fig. 3, central part 30 comprises the first axle 31 and the second axle 32, wherein the first axle 31 is fixed on cage column 10, be equipped with tie bolt 33 between the first axle 31 and the second axle 32, tie bolt 33 removably links together the first axle 31 and the second axle 32, between the periphery of the periphery of the first axle 31 and the second axle 32, has formed aforesaid circumferential recess.This detouchable structure can conveniently be arranged on turning rolls 40 in circumferential recess.
Preferably, form eccentric the cooperation between the first axle 31 and the second axle 32, can prevent that the second axle 32 from producing axial motion on tie bolt 33, exits the endoporus of turning rolls 40.
In the present embodiment, the first axle 31 comprises anchor shaft 38 and axle sleeve 39, wherein anchor shaft 38 is fixed on cage column 10, by tie bolt 33 and the second axle 32, link together, and with the second axle 32 between form eccentric the cooperation, axle sleeve 39 is set on anchor shaft 38, and is connected between cage column 10 and the second axle 32, axle sleeve 39 is fixedly installed with respect to anchor shaft 38, forms aforesaid circumferential recess between axle sleeve 39 and the second axle 32.Demountable structure between axle sleeve 39 and anchor shaft 38 can conveniently be fixed on the first axle 31 on cage column 10, and conveniently with between the second axle 32 coordinates the formation circumferential recess.
Particularly, in conjunction with referring to Fig. 5, axle sleeve 39 comprises the first diameter segment 392, at the first end of the first diameter segment 392, has the first flange 391, on the cross section of axle sleeve 39, forms L shaped structure between the outer peripheral face of the first flange 391 and the first diameter segment 392; In conjunction with referring to Fig. 6 and Fig. 7, anchor shaft 38 comprises backstop step 383 and eccentric orfice 381, makes anchor shaft 38 form the first eccentric shafts; In conjunction with referring to Fig. 8 to Figure 10, the second axle 32 comprises Second bobbin diameter section 323, the first end of Second bobbin diameter section 323 has the second flange 322, the second end of Second bobbin diameter section 323 has eccentric boss 321, make the second axle form the second eccentric shaft, and, on the cross section of the second axle 32, form another L shaped structure between the outer peripheral face of Second bobbin diameter section 323 and the second flange 322.
Owing to forming eccentric the cooperation, the second axle 32 forms the interlocking effect with anchor shaft 38, and the second axle 32 can't exit from the endoporus of turning rolls 40, has increased the reliability of device.
Preferably, be provided with nylon sleeve 34 in circumferential recess, nylon sleeve 34 comprises the first nylon sleeve 341 in the L shaped structure that is set in axle sleeve 39 and is set in the second nylon sleeve 342 in the L shaped structure of the second axle 32, the first nylon sleeve 341 and the second nylon sleeve 342 respectively with turning rolls 40 free-running fits, meet the axial movement space requirement of roller assembly 50.
Preferably, between the backstop step 383 of anchor shaft 38 and the first side of cage column 10, butt has backing plate and packing ring, can increase the axial pre tightening force between anchor shaft 38 and cage column 10, prevent from, between anchor shaft 38 and cage column 10, relative motion occurs.
In conjunction with referring to Fig. 2, anchor shaft 38 is fixed on cage column 10 by fixing chuck plate 35, particularly, is fixed with bent plate 36 on cage column 10, on anchor shaft 38, fixed cover is provided with fixing chuck plate 35, between fixing chuck plate 35 and bent plate 36, by binding bolt 37, is fixedly connected with.Fixing chuck plate 35 is the zigzag structure of bending, can adapt with the shape of cage column 10, and total is easy to dismounting.
Certainly, also bent plate 36 can be set here, but the bottom bending part 11 of cage column 10 is bent downwards, this bending part 11 also can be fixedly connected with by binding bolt 37 with fixing chuck plate 35.
Fixing chuck plate 35 is that the second axle 32 is locked barrier together with the locking effect of anchor shaft 38 has increased, and further prevents that anchor shaft 38 from coming off, and increases the reliability of device.
Preferably, the bolt hole for wearing binding bolt 37 of fixing chuck plate 35 has a plurality of, in when assembling, can make as required any one in a plurality of bolts hole of the bolt hole of bent plate 36 and fixing chuck plate 35 align, and makes the installation of fixing chuck plate 35 more accurate.
Preferably, the inner hole section profile of fixing chuck plate 35 is hexagon, the cross section profile that anchor shaft 38 is embedded the part axis body in fixing chuck plate 35 endoporus is also hexagon, can prevent that anchor shaft 38 from rotating in the endoporus of fixing chuck plate 35, makes anchor shaft 38 relative with cage column 10 fixing.
Certainly, here the cross section profile of the inner hole section profile of fixing chuck plate 35 and anchor shaft 38 is not limited to hexagon, as long as guarantee that the internal perisporium of fixing chuck plate 35 has at least one first spacing plane, the periphery wall of anchor shaft 38 has the second corresponding spacing plane 382, make between the first spacing plane and the second spacing plane 382 to form backstop and coordinate and get final product, just can make fixing chuck plate 35 relative with anchor shaft 38 fixing.
In conjunction with participating in Fig. 2, turning rolls 40 comprises that 41, two support plates 41 of two support plates that are oppositely arranged are set in respectively on nylon sleeve 34, and can rotate around the axis direction of central part 30, and roller assembly 50 is connected between two support plates 41.Two support plates 41 form bilaterals to each roller assembly 50 and support, and compared to existing one-sided support plate, support, and more reasonable stress, improved the stability of the cantilever design of turning rolls 40, extended service life.
In conjunction with referring to Fig. 4, roller assembly 50 comprises bolt of rear end plate 51, wheel shaft 52, bearing 53 and roller 54, wherein bolt of rear end plate 51 is located on two support plates 41, locate by circular nut 55 and stop washer 56 end at bolt of rear end plate 51, wheel shaft 52 is screwed onto on the periphery wall of bolt of rear end plate 51, and between two support plates 41, bearing 53 be set on wheel shaft 52 and with wheel shaft 52 transition fit, roller 54 is set on bearing 53 rotationally.Can effectively solve the problem of the stressed inclination of roller 54, skew and bolt of rear end plate 51 loose or dislocations by circular nut 55 and stop washer 56, bearing 53 changes to transition fit with coordinating by original free-running fit of wheel shaft 52, make bearing 53 more reasonable with the tolerance clearance of wheel shaft 52, extended greatly the service life of bearing 53.
The present invention also provides a kind of elevator, comprises the two roller devices of elevator, and the two roller devices of this elevator are the two roller devices of aforesaid elevator.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
1, the more desirable tolerance clearance of bearing and wheel shaft, extended service life of bearing greatly; And axial adjustable shifting amount has been designed into to two eccentric shaft places in the middle of turning rolls, also met the function that the roller assembly need have the gap of end float misalignment simultaneously.
2, the support type design of two of turning rolls support plate formation bilaterals and unique circular nut, the mode that stop washer tightens up, actv. has solved the problem of roller stress inclination, skew, bolt of rear end plate loose or dislocation, the wheel shaft both-end of roller supports, stress point rationally decomposes, and has solved the problem that cantilever support is unstable, the life-span is short of turning rolls.
3, the adjustable eccentric change in design is arrived to two middle eccentric shaft places of a whole set of wheel carrier, adopt the design of the double-eccentric shaft interlocking of two eccentric shafts, make the function of adjustable eccentric with interlocking, the fixing chuck plate of outer end can be locked barrier together for the locking mode after the eccentric shaft adjustment has increased again.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. two roller devices of an elevator comprise:
Central part (30), be fixed on the cage column (10) of elevator; And
Turning rolls (40), be set on described central part (30) rotationally around the axis direction of described central part (30);
It is characterized in that, described central part (30) has two stopper sections arranging along its axis direction, and described turning rolls (40), between described two stopper sections, and forms free-running fit with described two stopper sections.
2. two roller devices of elevator according to claim 1, it is characterized in that, described central part (30) has circumferential recess, and two relative sidewalls of described circumferential recess form described two stopper sections, and described turning rolls (40) is embedded in described circumferential recess.
3. the two roller devices of elevator according to claim 2, is characterized in that, described central part (30) comprising:
The first axle (31), be fixed on described cage column (10); And
The second axle (32), removably be connected with described the first axle (31), forms described circumferential recess between described the second axle (32) and described the first axle (31).
4. the two roller devices of elevator according to claim 3, is characterized in that, described the first axle (31) comprising:
Anchor shaft (38), be fixed on described cage column (10) upper, and removably be connected with described the second axle (32); And
Axle sleeve (39), be set in described anchor shaft (38) upper, and be connected between described the second axle (32) and described cage column (10), forms described circumferential recess between described axle sleeve (39) and described the second axle (32).
5. two roller devices of elevator according to claim 4, it is characterized in that, described axle sleeve (39) has the first flange (391), described the second axle (32) has the second flange (322), and described the first flange (391) and described the second flange (322) are oppositely arranged described two sidewalls as described circumferential recess.
6. the two roller devices of elevator according to claim 4, is characterized in that,
Described anchor shaft (38) is screwed onto respectively on tie bolt (33) with described the second axle (32);
Described anchor shaft (38) is the first eccentric shaft, has eccentric orfice (381);
Described the second axle (32) is the second eccentric shaft, has eccentric boss (321), and described eccentric boss (321) is embedded in described eccentric orfice (381).
7. two roller devices of elevator according to claim 4, it is characterized in that, be provided with nylon sleeve (34) in described circumferential recess, described nylon sleeve (34) comprises the first nylon sleeve (341) be set on described axle sleeve (39) and is set in the second nylon sleeve (342) on described the second axle (32), described nylon sleeve (34) and described turning rolls (40) free-running fit.
8. the two roller devices of elevator according to claim 4, is characterized in that, described central part (30) also comprises:
Bent plate (36), be fixed on described cage column (10); And
Fixing chuck plate (35), be set in regularly described anchor shaft (38) above and be fixedly connected with described bent plate (36).
9. two roller devices of elevator according to claim 8, it is characterized in that, described fixing chuck plate (35) has endoporus, the internal perisporium of described endoporus has the first spacing plane, described anchor shaft (38) is embedded in described endoporus, and the periphery wall of described anchor shaft (38) has the second spacing plane (382) corresponding with the described first spacing plane.
10. according to the two roller devices of the described elevator of any one in claim 1 to 9, it is characterized in that,
Described turning rolls (40) comprises two support plates (41) that are oppositely arranged, and described two support plates (41) are set on described central part (30) rotationally around the axis direction of described central part (30) respectively;
The two roller devices of described elevator also comprise two roller assemblies (50), described two roller assemblies (50) lay respectively at the relative both sides of described central part (30), and each the roller assembly (50) in described two roller assemblies (50) is arranged between described two support plates (41).
11. the two roller devices of elevator according to claim 10, is characterized in that, described roller assembly (50) comprising:
Bolt of rear end plate (51), be located on described turning rolls (40) regularly;
Wheel shaft (52), be screwed onto on described bolt of rear end plate (51);
Bearing (53), be set in described wheel shaft (52) upper and with described wheel shaft (52) transition fit; And
Roller (54), be set on described bearing (53).
12. the two roller devices of elevator according to claim 11 is characterized in that the end of described bolt of rear end plate (51) is arranged with circular nut (55) and stop washer (56).
13. an elevator, comprise the two roller devices of elevator, it is characterized in that, the two roller devices of described elevator are the two roller devices of the described elevator of any one in claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310412336.4A CN103466411B (en) | 2013-09-11 | 2013-09-11 | The two roller devices of elevator and there is its elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310412336.4A CN103466411B (en) | 2013-09-11 | 2013-09-11 | The two roller devices of elevator and there is its elevator |
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| Publication Number | Publication Date |
|---|---|
| CN103466411A true CN103466411A (en) | 2013-12-25 |
| CN103466411B CN103466411B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310412336.4A Active CN103466411B (en) | 2013-09-11 | 2013-09-11 | The two roller devices of elevator and there is its elevator |
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| Country | Link |
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| CN (1) | CN103466411B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429717A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Double-guiding-wheel structure |
| CN114368664A (en) * | 2021-12-30 | 2022-04-19 | 江苏省送变电有限公司 | Inclined construction elevator cage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1169627B (en) * | 1958-03-21 | 1964-05-06 | Maerkische Steinkohlengewerksc | Roller guide for the conveyor basket or the conveyor vessel of a shaft conveyor |
| DE1215321B (en) * | 1958-09-12 | 1966-04-28 | Maerkische Steinkohlengewerksc | Roller guide for the conveyor basket or the conveyor vessel of a shaft conveyor |
| JP2619263B2 (en) * | 1988-06-09 | 1997-06-11 | 日本オーチス・エレベータ株式会社 | Hydraulic elevator guide device |
| CN202575634U (en) * | 2012-04-28 | 2012-12-05 | 广州市京龙工程机械有限公司 | High-capacity high-speed single-column construction hoist |
| CN202953656U (en) * | 2012-11-29 | 2013-05-29 | 广州市京龙工程机械有限公司 | Idler wheel falling prevention device for construction elevator |
| CN202953657U (en) * | 2012-12-07 | 2013-05-29 | 中联重科股份有限公司 | Drop-preventing roller wheel assembly and building hoist |
-
2013
- 2013-09-11 CN CN201310412336.4A patent/CN103466411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1169627B (en) * | 1958-03-21 | 1964-05-06 | Maerkische Steinkohlengewerksc | Roller guide for the conveyor basket or the conveyor vessel of a shaft conveyor |
| DE1215321B (en) * | 1958-09-12 | 1966-04-28 | Maerkische Steinkohlengewerksc | Roller guide for the conveyor basket or the conveyor vessel of a shaft conveyor |
| JP2619263B2 (en) * | 1988-06-09 | 1997-06-11 | 日本オーチス・エレベータ株式会社 | Hydraulic elevator guide device |
| CN202575634U (en) * | 2012-04-28 | 2012-12-05 | 广州市京龙工程机械有限公司 | High-capacity high-speed single-column construction hoist |
| CN202953656U (en) * | 2012-11-29 | 2013-05-29 | 广州市京龙工程机械有限公司 | Idler wheel falling prevention device for construction elevator |
| CN202953657U (en) * | 2012-12-07 | 2013-05-29 | 中联重科股份有限公司 | Drop-preventing roller wheel assembly and building hoist |
Non-Patent Citations (1)
| Title |
|---|
| 殷骏: "《家用缝纫机维修》", 29 February 1988, article "哪些零件的配合是属于"间隙配合"", pages: 101 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429717A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Double-guiding-wheel structure |
| CN114368664A (en) * | 2021-12-30 | 2022-04-19 | 江苏省送变电有限公司 | Inclined construction elevator cage |
| CN114368664B (en) * | 2021-12-30 | 2024-04-26 | 江苏省送变电有限公司 | Inclined construction elevator cage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103466411B (en) | 2016-03-30 |
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Application publication date: 20131225 Assignee: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Contract record no.: X2023980042749 Denomination of invention: Elevator double roller device and elevator with it Granted publication date: 20160330 License type: Common License Record date: 20231008 Application publication date: 20131225 Assignee: Zoomlion Construction Crane Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Contract record no.: X2023980042704 Denomination of invention: Elevator double roller device and elevator with it Granted publication date: 20160330 License type: Common License Record date: 20231008 |