CN109052099A - Backrest roller for construction elevator rack - Google Patents
Backrest roller for construction elevator rack Download PDFInfo
- Publication number
- CN109052099A CN109052099A CN201811168087.8A CN201811168087A CN109052099A CN 109052099 A CN109052099 A CN 109052099A CN 201811168087 A CN201811168087 A CN 201811168087A CN 109052099 A CN109052099 A CN 109052099A
- Authority
- CN
- China
- Prior art keywords
- backrest
- idler wheel
- construction elevator
- main shaft
- mounting ring
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 230000002459 sustained effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/26—Racks
- F16H55/28—Special devices for taking up backlash
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/26—Racks
- F16H55/28—Special devices for taking up backlash
- F16H2055/281—Cylindrical or half-cylindrical bushings around the rack, e.g. using special wedges to reduce play
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Types And Forms Of Lifts (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a backrest roller for a construction elevator rack, which is arranged on one side of an anti-falling plate, wherein an anti-falling device is fixedly arranged on the other side of the anti-falling plate, an output gear is arranged on the anti-falling device, the backrest roller comprises a main shaft, one end of which is penetrated through the anti-falling plate, a mounting ring, a eccentric sleeve, a bearing, a roller outer sleeve, a gland, a first fixing piece and a second fixing piece, the mounting ring is arranged on the periphery of the outer side of the main shaft, the mounting ring is sleeved on the other end of the main shaft, the bearing is sleeved on the eccentric sleeve, the roller outer sleeve is sleeved on the bearing, part of the gland is penetrated through the eccentric sleeve, the first fixing piece is used for fixing the gland in the main; the axis of the back roller and the axis of the output gear are parallel and at the same height. The backrest roller for the construction elevator rack can be arranged on the same height with the output gear, and is low in cost, simple in structure and low in operation noise.
Description
Technical field
The present invention relates to building machinery field, in particular to a kind of backrest idler wheel for construction elevator rack.
Background technique
Building hoist is the vertical transport equipment that personnel and material are transported in construction site, is directly related to the life of people
Safety plays the role of stop to ensure safety when cage, which drops, to exceed the speed limit so anti-falling safety device must be equipped on cage.It is anti-
Rack gear on the output gear and guide rail bracket of falling safety device is in meshing state, the speed of service >=60m/min construction liter always
Drop machine need to set rack gear backrest idler wheel on anti-fall plate, adjust laterally at a distance from rack gear back by eccentric shaft, idler wheel outer circle Contact Tooth
It adjusts eccentric shaft behind the back side to be allowed to that anti-fall plate is pulled to do lateral displacement to adjust the back lash of output gear wheel and rack, adjustment
Eccentric shaft is locked after reaching requirement.
Conventional backrest idler wheel, by by standing screw from roller shaft centre bore pass through anti-fall plate after cushioning circle locking screw
Mother is fastened on the other side of anti-fall plate.Since catching device centre bore and backrest idler wheel centre bore are away from for fixed dimension, and catching device
Flange radius is also fixed dimension, and standing screw passes through position by catching device flange block, can not be mounted on sustained height.For
Avoid interference position, it is necessary to lower two backrest idler wheels are installed, this mounting means both improves cost, increases weight,
Also noise when operation is increased.
Summary of the invention
The object of the present invention is to provide a kind of backrest idler wheel for construction elevator rack, can by backrest idler wheel with it is defeated
Gear is mounted on sustained height out, compared to needing to install lower two backrest idler wheels in traditional structure, not only saves cost,
Structure is simplified simultaneously, also reduces running noises.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of backrest idler wheel for construction elevator rack, set on the side of anti-fall plate, the other side of the anti-fall plate is fixed
Equipped with catching device, the catching device is equipped with output gear, and the backrest idler wheel includes that one end is arranged in the anti-fall plate
Main shaft, fixation the outside circumference for being located on the main shaft mounting ring, be sheathed on the main shaft other end eccentric bushing, be arranged
In on the eccentric bushing bearing, be sheathed on the bearing roller outer sleeve, partially be arranged in gland in the eccentric bushing,
The first fixing piece for the gland to be fixed in the main shaft is used to for the mounting ring to be fixed on the anti-fall plate
The second fixing piece, the anti-fall plate and the eccentric bushing are located at the different two sides of the mounting ring；The backrest idler wheel
Axial line and the output gear axial line be parallel to each other and be located at sustained height.
Preferably, the backrest idler wheel further includes the fixed resilient key being arranged in the eccentric bushing in one end, is set to institute
State the location hole for allowing the other end of the resilient key to penetrate in mounting ring.
Preferably, the backrest idler wheel further includes the inside of the outside circumference and the roller outer sleeve set on the eccentric bushing
The retaining ring for being located at the bearing both ends between circumference.
Preferably, the backrest idler wheel further includes being set to dustproof cover of the bearing far from the mounting ring side.
Preferably, the roller outer sleeve and the spindle eccentricity are arranged.
Preferably, the bearing is double set rolling bearings.
Preferably, the main shaft and the mounting ring are integrally formed.
Preferably, the mounting ring is located on the middle part of the main shaft.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: a kind of use of the present invention
In the backrest idler wheel of construction elevator rack, main shaft is fixed on anti-fall plate by mounting ring, makes the second fixing piece and installation
Ring is located at the ipsilateral of anti-fall plate, avoids the interference of mounting plate other side catching device, can pacify backrest idler wheel and output gear
On sustained height, compared to needing to install lower two backrest idler wheels in traditional structure, cost is not only saved, is simplified simultaneously
Structure, also reduces running noises.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of apparatus of the present invention.
Wherein: 1, main shaft；2, mounting ring；3, eccentric bushing；4, bearing；5, roller outer sleeve；6, gland；7, the first fixing piece；
8, resilient key；9, location hole；10, retaining ring；11, dustproof cover.
Specific embodiment
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
Shown in Figure 1, a kind of above-mentioned backrest idler wheel for construction elevator rack is prevented set on the side of anti-fall plate
The other side of pendant plate is fixed with catching device, and catching device is equipped with output gear, and output gear and backrest idler wheel are respectively arranged on tooth
The two sides of item.
A kind of above-mentioned backrest idler wheel for construction elevator rack includes the main shaft 1, solid that one end is arranged in anti-fall plate
The mounting ring 2 of the fixed outside circumference for being located on main shaft 1, for mounting ring 2 to be fixed on the second fixing piece on anti-fall plate, lean on
The axial line of the axial line and output gear of carrying on the back idler wheel is parallel to each other and is located at sustained height.In the present embodiment, main shaft 1 and peace
It fills ring 2 to be integrally formed, mounting ring 2 is located on the middle part of main shaft 1, main shaft 1 is fixed on anti-fall plate by mounting ring 2, makes the
Two fixing pieces and mounting ring 2 are located at the ipsilateral of anti-fall plate, avoid the interference of mounting plate other side catching device, can roll backrest
Wheel is mounted on sustained height with output gear, compared to needing to install lower two backrest idler wheels in traditional structure, is not only saved
Cost, while structure is simplified, also reduce running noises.In the present embodiment, mounting ring 2 and main shaft 1 are integrally formed double
Stretch out shaft type flange.
A kind of above-mentioned backrest idler wheel for construction elevator rack further include the eccentric bushing 3 for being sheathed on 1 other end of main shaft,
The bearing 4 being sheathed on eccentric bushing 3, the roller outer sleeve 5 being sheathed on bearing 4, roller outer sleeve 5 and 1 eccentric setting of main shaft, it is anti-fall
Plate and eccentric bushing 3 are located at the different two sides of mounting ring 2.In the present embodiment, roller outer sleeve 5 is for contradicting rack gear；Bearing 4
For double set rolling bearings 4, using double set rolling bearings 4, bearing capacity is bigger, and the service life is longer for bearing 4, avoids conventional backrest
The problem of idler wheel causes damage to take place frequently using single set bearing 4.
A kind of above-mentioned backrest idler wheel for construction elevator rack, which further includes that one end is fixed, to be arranged in eccentric bushing 3
Resilient key 8, the location hole 9 for allowing the other end of resilient key 8 to penetrate in mounting ring 2.After conventional backrest idler wheel adjustment
It by section friction force locking, will appear loosening in operation, can ensure in operation after cooperating using positioning pin and location hole 9
It is not subjected to displacement, guarantees the stability that output gear is engaged with rack.
A kind of above-mentioned backrest idler wheel for construction elevator rack further include part be arranged in gland 6 in eccentric bushing 3,
The first fixing piece 7 for being fixed on gland 6 in main shaft 1.In the present embodiment, the first fixing piece 7 is across gland 6 and to wear
Enter the bolt in main shaft 1；The lid pressure of gland 6 is set to the one end of eccentric bushing 3 far from mounting ring 2.
A kind of above-mentioned backrest idler wheel for construction elevator rack further includes the outside circumference and idler wheel set on eccentric bushing 3
The retaining ring 10 for being located at 4 both ends of bearing between the inside circumference of housing 5, set on bearing 4 far from the dust-proof of 2 side of mounting ring
Lid 11.Play the role of positioning to bearing 4 by the way that retaining ring 10 is arranged, by setting dustproof cover 11 for preventing from entering in bearing 4
Dust influences its service life.
The course of work of lower the present embodiment is illustrated in detail below:
When needing to adjust, the first fixing piece 7 is unclamped, so that resilient key 8 is detached from main shaft 1, eccentric adjustment is carried out by eccentric bushing 3, by
It is resisted against on rack gear in backrest idler wheel, backrest idler wheel drives anti-fall plate translation, makes output gear close to or far from rack gear until two
Back lash between person meets the requirements.Resilient key 8 is directed at location hole 9 again, fastens the first fixing piece 7, completes adjustment positioning.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of backrest idler wheel for construction elevator rack, set on the side of anti-fall plate, the other side of the anti-fall plate is solid
Surely it is equipped with catching device, the catching device is equipped with output gear, it is characterised in that: the backrest idler wheel includes that one end is arranged in institute
State the main shaft in anti-fall plate, fixation the outside circumference for being located on the main shaft mounting ring, be sheathed on the main shaft other end
Eccentric bushing, be sheathed on the eccentric bushing bearing, be sheathed on the bearing roller outer sleeve, be partially arranged in it is described partially
The heart set in gland, the first fixing piece for the gland to be fixed in the main shaft, be used to fix the mounting ring
The second fixing piece on the anti-fall plate, the anti-fall plate and the eccentric bushing are located at different two of the mounting ring
Side；The axial line of the backrest idler wheel and the axial line of the output gear are parallel to each other and are located at sustained height.
2. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the backrest
Idler wheel further include the fixed resilient key being arranged in the eccentric bushing in one end, in the mounting ring for allowing the bullet
The location hole that the other end of property pin penetrates.
3. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the backrest
Idler wheel further include between the outside circumference of the eccentric bushing and the inside circumference of the roller outer sleeve be located at it is described
The retaining ring at bearing both ends.
4. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the backrest
Idler wheel further includes being set to dustproof cover of the bearing far from the mounting ring side.
5. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the idler wheel
Housing and the spindle eccentricity are arranged.
6. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the bearing
For double set rolling bearings.
7. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the main shaft
It is integrally formed with the mounting ring.
8. a kind of backrest idler wheel for construction elevator rack according to claim 1, it is characterised in that: the installation
Ring is located on the middle part of the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168087.8A CN109052099B (en) | 2018-10-08 | 2018-10-08 | Backrest roller for construction elevator rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168087.8A CN109052099B (en) | 2018-10-08 | 2018-10-08 | Backrest roller for construction elevator rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109052099A true CN109052099A (en) | 2018-12-21 |
| CN109052099B CN109052099B (en) | 2023-08-22 |
Family
ID=64767368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811168087.8A Active CN109052099B (en) | 2018-10-08 | 2018-10-08 | Backrest roller for construction elevator rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109052099B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1366957A (en) * | 1970-08-20 | 1974-09-18 | Hohenzollern Huettenverwalt | Gear machine |
| CN1064061A (en) * | 1990-05-16 | 1992-09-02 | Ivg澳大利亚有限公司 | Torque responsive clutch |
| JPH0733364A (en) * | 1993-07-16 | 1995-02-03 | Kitagawa Iron Works Co Ltd | Construction elevator with climbing device on inversion pulley |
| CN101963208A (en) * | 2010-08-27 | 2011-02-02 | 吴声震 | Bevel gear-double cycloid speed reduction device for rocket launching movable platform |
| 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 |
| CN203497877U (en) * | 2013-09-17 | 2014-03-26 | 厦门康柏机械集团有限公司 | Double-roller assembly of construction elevator |
| CN104803257A (en) * | 2015-03-25 | 2015-07-29 | 南宁市宏涛机械设备有限责任公司 | Lifter having anti-falling function |
| CN204549712U (en) * | 2015-02-09 | 2015-08-12 | 昆明开物机械制造有限公司 | Construction elevator rack formula safety dropping prevent mechanism |
| CN105417318A (en) * | 2015-11-26 | 2016-03-23 | 张家港市荣达建筑机械制造有限公司 | Roller anti-disengaging device of construction lifting machine |
| CN108116964A (en) * | 2016-11-28 | 2018-06-05 | 宁波市罗司曼厨卫有限公司 | A kind of Novel back wheel apparatus applied on building hoist |
| CN208948616U (en) * | 2018-10-08 | 2019-06-07 | 张家港市荣达建筑机械制造有限公司 | Backrest roller for construction elevator rack |
-
2018
- 2018-10-08 CN CN201811168087.8A patent/CN109052099B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1366957A (en) * | 1970-08-20 | 1974-09-18 | Hohenzollern Huettenverwalt | Gear machine |
| CN1064061A (en) * | 1990-05-16 | 1992-09-02 | Ivg澳大利亚有限公司 | Torque responsive clutch |
| JPH0733364A (en) * | 1993-07-16 | 1995-02-03 | Kitagawa Iron Works Co Ltd | Construction elevator with climbing device on inversion pulley |
| CN101963208A (en) * | 2010-08-27 | 2011-02-02 | 吴声震 | Bevel gear-double cycloid speed reduction device for rocket launching movable platform |
| 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 |
| CN203497877U (en) * | 2013-09-17 | 2014-03-26 | 厦门康柏机械集团有限公司 | Double-roller assembly of construction elevator |
| CN204549712U (en) * | 2015-02-09 | 2015-08-12 | 昆明开物机械制造有限公司 | Construction elevator rack formula safety dropping prevent mechanism |
| CN104803257A (en) * | 2015-03-25 | 2015-07-29 | 南宁市宏涛机械设备有限责任公司 | Lifter having anti-falling function |
| CN105417318A (en) * | 2015-11-26 | 2016-03-23 | 张家港市荣达建筑机械制造有限公司 | Roller anti-disengaging device of construction lifting machine |
| CN108116964A (en) * | 2016-11-28 | 2018-06-05 | 宁波市罗司曼厨卫有限公司 | A kind of Novel back wheel apparatus applied on building hoist |
| CN208948616U (en) * | 2018-10-08 | 2019-06-07 | 张家港市荣达建筑机械制造有限公司 | Backrest roller for construction elevator rack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109052099B (en) | 2023-08-22 |
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