CN202657781U - Elevator speed governor tensioning device - Google Patents
Elevator speed governor tensioning device Download PDFInfo
- Publication number
- CN202657781U CN202657781U CN 201220235039 CN201220235039U CN202657781U CN 202657781 U CN202657781 U CN 202657781U CN 201220235039 CN201220235039 CN 201220235039 CN 201220235039 U CN201220235039 U CN 201220235039U CN 202657781 U CN202657781 U CN 202657781U
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- Prior art keywords
- front shroud
- spoke
- back cover
- swing arm
- tightening wheel
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- Expired - Lifetime
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model relates to an elevator speed governor tensioning device and solves the problems that no shield is arranged outside a tension roller, so that the tension roller is unsafe for installation and operation personnel; the noise generated in the operating process of the tension roller cannot be insulated; and the tension roller is integrally formed by casting, so that the processing difficulty is large, the processing period is long and the accuracy is low. The tensioning device comprises a bracket; the front end of the bracket is hinged with a swing arm; a tension roller is arranged on the swing arm; the front end fo the swing arm is connected with a weight; the tension roller is formed by splicing a spoke with a shaft sleeve; a cover body formed by a front cover and a rear cover is fixed on the swing arm; the tension roller is arranged in the cover body; and the upper part of the cover body is provided with two openings. The elevator speed governor tensioning device has the advantages that the structure of the tension roller is improved into a spliced welded structure from an integral cast structure, so that the pollution to the environment in the casting process is avoided and the processing period is short; and due to the adoption of the cover body, the operation personnel is far away from dangerous parts, the safety of the product is improved and the noise of the product is also effectively reduced.
Description
Technical field
The utility model relates to a kind of safety protection apparatus for elevator, relates in particular to a kind of elevator governor swelling device simple, that noise is little of making.
Background technology
The elevator governor swelling device is placed in the well pit, and with velocity limiter, speed limiter wire rope forms a cover mechanism together.Its Main Function is to compress speed limiter wire rope, give downward pulling force of steel rope to strengthen the friction force between steel rope and velocity limiter wheel, the linear velocity that guarantees steel rope and wheel is in full accord, and avoids steel rope to rock in elevator hoistways so that cause operation to interfere.General elevator governor swelling device is made of support, expansion tightening wheel, swing arm and pouring weight, expansion tightening wheel is connected in the swing arm, swing arm one end connects pouring weight, the other end is hinged on the support, the expansion tightening wheel of swelling device does not all have guard shield outward, not very safe to the fitting operation personnel, and produce noise in the expansion tightening wheel operational process and can't completely cut off, increased noise pollution.On one side the expansion tightening wheel of swelling device is integrated casting and forms in addition, and not only difficulty of processing is large, process long in time limitly, and casting process is easily to environment, and the race precision of formation is low.
Be CN201647763U such as notification number, name is called the Chinese utility model of elevator expansion apparatus, it comprises the support that is fixed on the guide rail, be connected with expansion tightening wheel and clump weight on the support, also include a vertical movement apparatus, the vertical movement apparatus one side is fixed with support, and another side and expansion tightening wheel are fixed.Just there is above-mentioned shortcoming in this patent, and guard shield is not set outside expansion tightening wheel, is not very safe to the fitting operation personnel, and the generation noise can't completely cut off in the expansion tightening wheel operational process, has increased noise pollution.
Summary of the invention
The utility model has mainly solved general elevator expansion apparatus expansion tightening wheel does not have guard shield outward, not very safe to the fitting operation personnel, and producing noise in the expansion tightening wheel operational process can't completely cut off, increased the problem of noise pollution, provide a kind of isolated turning unit with outside, effectively reduce the elevator governor swelling device of noise in the expansion tightening wheel operational process.
The utility model has also solved general elevator expansion apparatus expansion tightening wheel and has adopted that casting integrated to make the difficulty of processing that brings large, process long in time limit, casting process is easily to environment, the problem that precision is low provides a kind of elevator governor swelling device that the duration is short, processing is simple, precision is high that is put together, adds.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of swelling device, include support, be hinged with swing arm at the support front end, expansion tightening wheel is installed in the swing arm, be connected with pouring weight at the swing arm front end, described expansion tightening wheel is put together by spoke and axle sleeve two parts, at the fixing cover body that is made of front shroud and back cover of swing arm, expansion tightening wheel is arranged in the cover body, has the opening that two confessions are wound in the steel rope turnover on the expansion tightening wheel on the top of cover body.The structure of the utility model expansion tightening wheel is by spoke and axle sleeve amalgamation welded structure by original inblock cast structural development, so that expansion tightening wheel need not carry out inblock cast, avoided in the casting process pollution to environment fully, and compare the duration of casting processing, the utility model expansion tightening wheel structure manufacturing time section has shortened the delivery cycle of product.In addition, owing to having avoided casting, the race of spoke can be finished by various forming technologies, has so not only reduced the difficulty of processing of race and can improve its working accuracy.The cover body structure has wrapped expansion tightening wheel to greatest extent, has effectively completely cut off turning unit and outside contacting, so that operating personal is away from dangerous parts, the safety that has improved product.Cover body can reduce the sound power of source of sound in the expansion tightening wheel operational process in addition, has effectively lowered the noise of product.
As a kind of preferred version, described spoke centre is provided with axis hole, described sleeve outer surface is the first axial anchor ring of receiving in successively by two, the second axial anchor ring and one ladder face structure that consists of of anchor ring radially, the external diameter of the described second axial anchor ring is consistent with the internal diameter of axis hole, axle sleeve is embedded in the axis hole, the second axial rings face portion and the shaft hole matching of axle sleeve join, and the radial loop face portion is pressed on the surface of spoke, and axle sleeve and spoke fix by welding.Expansion tightening wheel is made first spoke and axle sleeve two parts, spoke can form by spinning process processing flute profile for a steel plate, axle sleeve can be that a steel plate also can be that a steel pipe processes, then spoke and axle sleeve amalgamation are welded into expansion tightening wheel integral body, the structure of sleeve outer surface so that axle sleeve can firmly link together with spoke.
As a kind of preferred version, the thickness at described spoke edge is greater than the thickness on spoke surface, and fluting is formed with race at the spoke edge, evenly is provided with several through holes on the surface of spoke around the center.Race can process by forming process, and difficulty of processing is low, compares the expansion tightening wheel of a logical casting, and this race working accuracy is higher.Spoke surface ratio thin edge, and on the spoke surface through hole is set, this has greatly reduced the making material, has saved cost.
As a kind of preferred version, described back cover is corresponding square plate body with front shroud, be provided with the front shroud flange so that front shroud forms a cap structure at the edge of front shroud, be connected between the front shroud flange of front shroud both sides and lower end, the front shroud flange length of front shroud upper end is less than the width of front shroud, the front shroud flange of this front shroud upper end and the front shroud flange of front shroud both sides form described opening, the upper and lower side of described back cover is respectively arranged with the back cover flange that matches with front shroud upper and lower side front shroud flange, described back cover is bolted in the swing arm, expansion tightening wheel is installed in the middle part of back cover, described front cover is on back cover, and front shroud fixes by bolt and back cover.Front shroud and back cover conveniently link together and can be for convenience detach, front shroud flange at the upper and lower side of front shroud is provided with mounting hole, back cover flange at the upper and lower side of back cover is provided with corresponding mounting hole, front shroud and back cover fix by bolt, the cover body that forms after fixing is wrapped in inside with expansion tightening wheel integral body, only reserve two in the upper end for the opening of steel rope turnover, have the space between expansion tightening wheel front-back and the front and back cover.The structure of cover body has effectively completely cut off turning unit and outside contacting, so that operating personal is away from dangerous parts, the safety that has improved product.Cover body can reduce the sound power of source of sound in the expansion tightening wheel operational process in addition, has effectively lowered the noise of product.
As a kind of preferred version, be pasted with sound absorption materials at the inside face of described front shroud or back cover.Paste sound absorption materials in the cover body inboard as required, further hang down the sound power of source of sound in the expansion tightening wheel operational process, effectively lowered the noise of product.
As a kind of preferred version, described support is provided with elongated hole, and support is arranged on the guide rail by fixed block, is provided with tapped bore in the middle of the described fixed block, and bolt screws nut after passing tapped bore and elongated hole, and fixed block, guide rail and support are fixed.This elongated hole is so that the guide rails assembling position can be adjusted, and this fixed block encases the edge of guide rail, after fixing guide rail is tightly pushed down.
The utility model has the advantages that: 1. the structure of expansion tightening wheel is by spoke and axle sleeve amalgamation welded structure by original inblock cast structural development, so that expansion tightening wheel need not carry out inblock cast, avoided in the casting process pollution to environment fully, compare the duration of casting processing, the utility model manufacturing time is short; 2. the race of spoke can be finished by various forming technologies, has not only reduced the difficulty of processing of race and can improve its working accuracy; 3. the cover body structure has wrapped expansion tightening wheel to greatest extent, has effectively completely cut off turning unit and outside contacting, so that operating personal is away from dangerous parts, the safety that has improved product.Cover body can reduce the sound power of source of sound in the expansion tightening wheel operational process in addition, has effectively lowered the noise of product.
Description of drawings
Fig. 1 is a kind of structure exploded perspective view of the present utility model;
Fig. 2 is a kind of cross-sectional view of expansion tightening wheel in the utility model;
Fig. 3 is a kind of schematic top plan view of the connection structure of cover body in the utility model, swing arm and expansion tightening wheel.
1-pouring weight 2-swing arm 3-back cover 4-expansion tightening wheel 5-front shroud 6-front shroud flange 7-back cover flange 8-through hole 9-support 10-guide rail 11-fixed block 12-elongate slots 13-axle sleeve 14-the first axial anchor ring 15-is anchor ring 16-the second axial anchor ring 17-race 18-axis hole 19-spoke 20-opening 21-sound absorption materials radially.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described.
Embodiment:
A kind of elevator governor swelling device of the present embodiment, as shown in Figure 1, include pouring weight 1, swing arm 2, support 9 and expansion tightening wheel 4, this expansion tightening wheel is installed in the swing arm, the cover body that is made of front shroud 5 and back cover 3 is arranged in the expansion tightening wheel outer wrap, this kind piece has two, the swing arm front end is clipped in two pouring weight supports, and pouring weight is bolted on the swing arm front end, and the swing arm rear end is hinged on the support 9, this support is fixed on the guide rail 12 by fixed block 11, be provided with elongate slots 12 on the support, this fixed block wraps on the edge of guide rail, is provided with tapped bore in the middle of the fixed block, bolt screws nut after passing tapped bore and elongated hole, with fixed block, guide rail and support fix.
This back cover 3 is corresponding square plate body with front shroud 5, edge around front shroud is provided with front shroud flange 6 so that front shroud forms a cap structure, be connected between the front shroud flange of front shroud both sides and lower end, the front shroud flange length of front shroud upper end is less than the width of front shroud, the front shroud flange of this front shroud upper end and the front shroud flange of front shroud both sides are formed with opening 20, the upper and lower side of back cover 3 is respectively arranged with the back cover flange 7 that matches with front shroud upper and lower side front shroud flange 6, back cover is bolted in the swing arm 2, expansion tightening wheel is installed on the middle part of back cover, front cover is on back cover, front shroud flange at the upper and lower side of front shroud is provided with mounting hole, back cover flange at the upper and lower side of back cover is provided with corresponding mounting hole, and front shroud fixes by bolt and back cover.As shown in Figure 3, the fixing rear cover body that forms, this cover body is wrapped in inside with expansion tightening wheel integral body, only reserve two in the upper end for the opening 20 of steel rope turnover, have the space between expansion tightening wheel front-back and the front and back cover, in the inboard of cover body, namely be pasted with sound absorption materials 21 on the inside face of front shroud and back cover.
As illustrated in fig. 1 and 2, expansion tightening wheel is put together by spoke 19 and axle sleeve 13 two parts, spoke 19 centers are provided with axis hole, 18, axle sleeve 13 outside faces are the first axial anchor ring 14 of receiving in successively by two, the second axial anchor ring 16 and one ladder face structure that consists of of anchor ring 15 radially, the external diameter of the second axial anchor ring is consistent with the internal diameter of axis hole, axle sleeve is embedded in the axis hole, the second axial rings face portion and the shaft hole matching of axle sleeve join, radially anchor ring 15 parts are pressed on the surface of spoke, and axle sleeve and spoke fix by welding.The thickness at spoke 19 edges is greater than the thickness on spoke surface, and fluting is formed with race 17 at the spoke edge, evenly is provided with several through holes 8 on the surface of spoke around the center.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used the terms such as expansion tightening wheel, pouring weight, front shroud, back cover, swing arm, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (6)
1. elevator governor swelling device, include support, be hinged with swing arm at the support front end, expansion tightening wheel is installed in the swing arm, be connected with pouring weight at the swing arm front end, it is characterized in that: described expansion tightening wheel (4) is put together by spoke (19) and axle sleeve (13) two parts, at the fixing cover body that is made of front shroud (5) and back cover (3) of swing arm, expansion tightening wheel is arranged in the cover body, has the opening (20) that two confessions are wound in the steel rope turnover on the expansion tightening wheel on the top of cover body.
2. a kind of elevator governor swelling device according to claim 1, it is characterized in that described spoke (19) center is provided with axis hole (18), described axle sleeve (13) outside face is the first axial anchor ring (14) of receiving in successively by two, the second axial anchor ring (16) and one is the ladder face structure that consists of of anchor ring (15) radially, the external diameter of the described second axial anchor ring is consistent with the internal diameter of axis hole, axle sleeve is embedded in the axis hole, the second axial rings face portion and the shaft hole matching of axle sleeve join, the radial loop face portion is pressed on the surface of spoke, and axle sleeve and spoke fix by welding.
3. a kind of elevator governor swelling device according to claim 1 and 2, it is characterized in that the thickness at described spoke (19) edge is greater than the thickness on spoke surface, be formed with race (17) at spoke edge fluting, on the surface of spoke, evenly be provided with several through holes (8) around the center.
4. a kind of elevator governor swelling device according to claim 1, it is characterized in that described back cover (3) and front shroud (5) are corresponding square plate body, edge around front shroud is provided with front shroud flange (6) so that front shroud forms a cap structure, be connected between the front shroud flange of front shroud both sides and lower end, the front shroud flange length of front shroud upper end is less than the width of front shroud, the front shroud flange of this front shroud upper end and the front shroud flange of front shroud both sides form described opening (20), the upper and lower side of described back cover is respectively arranged with the back cover flange (7) that matches with front shroud upper and lower side front shroud flange, described back cover is bolted in the swing arm (2), expansion tightening wheel is installed in the middle part of back cover, described front cover is on back cover, and front shroud fixes by bolt and back cover.
5. a kind of elevator governor swelling device according to claim 4 is characterized in that being pasted with sound absorption materials (21) at the inside face of described front shroud (5) or back cover (3).
6. according to claim 1 and 2 or 4 or 5 described a kind of elevator governor swelling devices, it is characterized in that described support (9) is provided with elongated hole, support is arranged on the guide rail (10) by fixed block (11), be provided with tapped bore in the middle of the described fixed block, bolt screws nut after passing tapped bore and elongated hole, and fixed block, guide rail and support are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235039 CN202657781U (en) | 2012-05-22 | 2012-05-22 | Elevator speed governor tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235039 CN202657781U (en) | 2012-05-22 | 2012-05-22 | Elevator speed governor tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202657781U true CN202657781U (en) | 2013-01-09 |
Family
ID=47452702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220235039 Expired - Lifetime CN202657781U (en) | 2012-05-22 | 2012-05-22 | Elevator speed governor tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202657781U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183266A (en) * | 2013-03-18 | 2013-07-03 | 苏州富士电梯有限公司 | Speed limiter tension device for elevator |
| CN103754727A (en) * | 2014-01-23 | 2014-04-30 | 成都西子孚信科技有限公司 | Elevator tensioning device |
| CN108285079A (en) * | 2018-03-12 | 2018-07-17 | 界首市迅立达电梯有限公司 | A kind of limit and tensioning apparatus for elevator wire rope |
-
2012
- 2012-05-22 CN CN 201220235039 patent/CN202657781U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183266A (en) * | 2013-03-18 | 2013-07-03 | 苏州富士电梯有限公司 | Speed limiter tension device for elevator |
| CN103754727A (en) * | 2014-01-23 | 2014-04-30 | 成都西子孚信科技有限公司 | Elevator tensioning device |
| CN108285079A (en) * | 2018-03-12 | 2018-07-17 | 界首市迅立达电梯有限公司 | A kind of limit and tensioning apparatus for elevator wire rope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310000 No.28, Jiuhuan Road, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Otis Electrical Elevator Co., Ltd. Address before: 310019 No. nine, 28 Ring Road, Hangzhou, Zhejiang, Jianggan District Patentee before: Xizi Otis Elevator Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term |