CN202321894U - Detachable type traction machine - Google Patents
Detachable type traction machine Download PDFInfo
- Publication number
- CN202321894U CN202321894U CN2011204631781U CN201120463178U CN202321894U CN 202321894 U CN202321894 U CN 202321894U CN 2011204631781 U CN2011204631781 U CN 2011204631781U CN 201120463178 U CN201120463178 U CN 201120463178U CN 202321894 U CN202321894 U CN 202321894U
- Authority
- CN
- China
- Prior art keywords
- traction
- traction sheave
- traction wheel
- wheel seat
- bearing
- 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.)
- Expired - Fee Related
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Abstract
A detachable type traction machine relates to traction machines. A traction wheel of an existing traction machine is provided with two supporting middle structures, disassembly and replacement of the traction wheel are huge projects, disassembly amount is large, a permanent magnet is right in the range of disassembly, the surface of the permanent magnet is easy to absorb rubbish, and the permanent magnet is easy to damage and inconvenient to disassemble and assemble. The detachable type traction machine is characterized in that a traction wheel base is arranged on a revolving shaft, the traction wheel is sleeved on the traction wheel base, bearings are arranged on the revolving shaft on the left side and the right side of the traction wheel base respectively, bearing covers are arranged on the inner sides of the bearings, the minimum diameter of an inner ring of the traction wheel is larger than the diameter of an outer ring of the bearing cover on the left side, the hole diameter of an end cover mounting hole arranged on the left side of a casing is larger than the maximum diameter of the traction wheel, and a braking wheel is arranged on the revolving shaft on the left side of the left bearing. When the traction wheel is disassembled, the braking wheel and an end cover on the left side of the casing are disassembled, the traction wheel can be removed from the left side of the casing, and the detachable type traction machine is simple in replacement step, simple in serviceable tool and high in efficiency.
Description
Technical field
The utility model relates to a kind of towing machine.
Background technology
The permanent-magnet synchnorous gearless dragging machine of present domestic use all adopts cantilevered (being the side of traction sheave at two bearings), and more existing abroad employing traction sheaves are put two support intermediate structures.But it is greater that external this structure is changed the traction sheave engineering.Because external this structure is changed traction sheave and must be changed from the dress encoder-side of towing machine, the other end is shut.And this end of dress coder has rotor and stator, must dismantle rotor and stator so change traction sheave, and this just makes that the dismantlement work difficulty is aggravated in machine room.Difficulty a bit be permanent magnet just in time in the scope of dismounting, the surface is absorption rubbish (the difficult removing of this rubbish is clean) easily, also suffers collision to make permanent magnet damage easily, for the normal operation of towing machine brings hidden danger.Change if transport factory back, expense is high.
The utility model content
The technical matters that the utility model will solve and the technical assignment of proposition are that the prior art scheme is improved and improved, and a kind of detachable towing machine are provided, to reach the purpose of convenient disassembly.For this reason, the utility model is taked following technical scheme.
The detachable towing machine; The bearing that comprises casing, traction sheave, is used to drive rotating shaft that traction sheave rotates, matches with rotating shaft, with the end cap that bearing matches, described end cap is connected with casing, it is characterized in that: described rotating shaft is provided with a traction wheel seat; Traction sheave is enclosed within on the traction wheel seat; Be respectively equipped with bearing in the rotating shaft of the traction wheel seat left and right sides, the inboard of bearing is provided with bearing cap shim, and the inner ring minimum diameter of traction sheave is greater than the race diameter of left side bearing cap shim; The aperture of end cap mounting hole of being located at casing left side is greater than the maximum gauge of traction sheave, and the rotating shaft in left bearing left side is provided with described brake wheel.When the dismounting of traction sheave, unload the end cap in brake wheel and casing left side after, traction sheave just can be removed from casing left side, need not dismantle rotor, can not bring hidden danger to the normal operation of towing machine.The replacing step is simple, and serviceable tool is simple, and efficient is high.And adopt traction sheave to put two and support intermediate structure, when hanging weight on the traction sheave, the stressed cantilever structure that obviously is superior to; When adopting cantilever structure will bear with the same power of the utility model structure; Required rotating shaft is thicker than the rotating shaft of the utility model structure, and it is big that bearing is also wanted, under equal traction condition and mechanical conditions; The present technique scheme can hang heavier weight and bear higher impact force; If the rotating shaft fracture also can make traction sheave be stuck in the casing not entail dangers to personal safety.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature.
Stretch in the end face of traction sheave in the medial extremity of at least one end cap.When rotating shaft is ruptured, traction sheave may be stuck in the casing fixed end caps on, in case fall, jeopardize personal safety.
Be connected through screw between traction wheel seat and the traction sheave, radially fixing between traction wheel seat and the rotating shaft through key.
Be positioned in the right side rotating shaft of traction wheel seat and establish the shaft shoulder, the left side of the shaft shoulder and traction seat offset, and right side and arm-tie offset, and screw passes arm-tie and traction wheel seat and is spirally connected and makes the traction sheave axial location.
The endoporus that traction sheave and traction wheel seat match is a stepped hole; Comprise large diameter hole and the small diameter bore that is positioned at the large diameter hole left side; The cascaded surface of the outer circumference surface of traction wheel seat for matching with the traction sheave endoporus, screw pass the be spirally connected step surface that makes the traction sheave endoporus and the step surface of traction wheel seat outer ring of traction sheave and traction wheel seat from left to right and offset.
The left side that the left side of traction sheave is positioned at the right side of left side end cap makes the medial extremity of left side end cap stretch in traction sheave.
Beneficial effect: it is simple to change step, and serviceable tool is simple, and efficient is high, unload the end cap in brake wheel and casing left side after, traction sheave just can be removed from the casing left side, need not dismantle rotor, bring hidden danger can not for the normal operation of towing machine.And adopt traction sheave to put two and support intermediate structure, when hanging weight on the traction sheave, the stressed cantilever structure that obviously is superior to; When adopting cantilever structure will bear with the same power of the utility model structure; Required rotating shaft is thicker than the rotating shaft of the utility model structure, and it is big that bearing is also wanted, under equal traction condition and mechanical conditions; The present technique scheme can hang heavier weight and bear higher impact force; If the rotating shaft fracture also can make traction sheave be stuck in the casing not entail dangers to personal safety.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: the 1-casing; The 2-bearing cap shim; The 3-bearing; The 4-rotating shaft; The 5-end cap; The 6-arm-tie; 7-traction wheel seat; The 8-traction sheave; The 9-brake wheel.
The specific embodiment
Below in conjunction with Figure of description the technical scheme of the utility model is done further detailed description.
The bearing 3 that the utility model comprises casing 1, traction sheave 8, brake wheel 9, be used to drive rotating shaft 4 that traction sheave 8 rotates, match with rotating shaft 4, the end cap 5 that matches with bearing 3; Described end cap 5 is connected with casing 1; Described rotating shaft 4 is provided with a traction wheel seat 7, and traction sheave 8 is enclosed within on the traction wheel seat 7, is respectively equipped with bearing 3 in the rotating shaft 4 of traction wheel seat 7 left and right sides; The inboard of bearing 3 is provided with bearing cap shim 2; The inner ring minimum diameter of traction sheave 8 is greater than the race diameter of left side bearing cap shim 2, and the aperture of end cap 5 mounting holes of being located at casing 1 left side is greater than the maximum gauge of traction sheave 8, and the rotating shaft 4 in left bearing 3 left sides is provided with described brake wheel 9.
For making when rotating shaft 4 fracture, traction sheave 8 may be stuck in casing 1 fixed end caps 5 on, stretch in the end face of traction sheave 8 in the medial extremity of at least one end cap 5.
Be connected through screw between traction wheel seat 7 and the traction sheave 8, radially fixing between traction wheel seat 7 and the rotating shaft 4 through key.Be positioned in the 7 right side rotating shafts 4 of traction wheel seat and establish the shaft shoulder, the left side of the shaft shoulder and traction seat offset, and right side and arm-tie 6 offset, and screw passes arm-tie 6 and is spirally connected with traction wheel seat 7 and makes traction sheave 8 axial location.Traction sheave 8 is a stepped hole with the endoporus that traction wheel seat 7 matches; Comprise large diameter hole and the small diameter bore that is positioned at the large diameter hole left side; The cascaded surface of the outer circumference surface of traction wheel seat 7 for matching with traction sheave 8 endoporus, screw pass the be spirally connected step surface that makes traction sheave 8 endoporus and the step surface of traction wheel seat 7 outer rings of traction sheave 8 and traction wheel seat 7 from left to right and offset.The aperture of end cap 5 mounting holes of being located at casing 1 left side is greater than the maximum gauge of traction sheave 8, and the left side that the left side of traction sheave 8 is positioned at the right side of left side end cap 5 makes the medial extremity of left side end cap 5 stretch in traction sheave 8.
Assembly method:
Be pressed onto traction sheave 8 in the rotating shaft 4 earlier, both are interference fit.Be set to arm-tie 6 in the rotating shaft 4 then, and be screwed on traction wheel seat 7.Prevent that with key traction sheave 8 from radially rotating, prevent that with the arm-tie 6 and the shaft shoulder traction sheave 8 from moving axially.Be set to two bearing cap shims 2 on the axle again, and two bearings of hot jacket were clipped to rotating shaft 4 two ends in 3 minutes.Then be put in the casing 1 with mounted parts above the special tooling handle, at both ends is put end cap 5 respectively at last, and is screwed.
The method for dismounting of traction sheave 8:
More than detachable towing machine shown in Figure 1 be the specific embodiment of the utility model; The utility model substantive distinguishing features and progress have been embodied; Can be according to the use needs of reality; Under the enlightenment of the utility model, it is carried out the equivalent modifications of aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (6)
1. detachable towing machine; The bearing (3) that comprises casing (1), traction sheave (8), brake wheel (9), is used to drive rotating shaft (4) that traction sheave (8) rotates, matches with rotating shaft (4), the end cap (5) that matches with bearing (3); Described end cap (5) is connected with casing (1); It is characterized in that: described rotating shaft (4) is provided with a traction wheel seat (7); Traction sheave (8) is enclosed within on the traction wheel seat (7); Be respectively equipped with bearing (3) in the rotating shaft (4) of traction wheel seat (7) left and right sides, the inboard of bearing (3) is provided with bearing cap shim (2), and the inner ring minimum diameter of traction sheave (8) is greater than the race diameter of left side bearing cap shim (2); The aperture of end cap (5) mounting hole of being located at casing (1) left side is greater than the maximum gauge of traction sheave (8), and the rotating shaft (4) in left bearing (3) left side is provided with described brake wheel (9).
2. detachable towing machine according to claim 1 is characterized in that: the end face of stretching in traction sheave (8) in the medial extremity of at least one end cap (5).
3. detachable towing machine according to claim 2 is characterized in that: is connected through screw between traction wheel seat (7) and the traction sheave (8), and radially fixing between traction wheel seat (7) and the rotating shaft (4) through key.
4. detachable towing machine according to claim 3; It is characterized in that: be positioned in traction wheel seat (7) the right side rotating shaft (4) and establish the shaft shoulder; The left side of the shaft shoulder and traction seat offset; Right side and arm-tie (6) offset, and screw passes arm-tie (6) and traction wheel seat (7) and is spirally connected and makes traction sheave (8) axial location.
5. detachable towing machine according to claim 4; It is characterized in that: traction sheave (8) is a stepped hole with the endoporus that traction wheel seat (7) matches; Comprise large diameter hole and the small diameter bore that is positioned at the large diameter hole left side; The cascaded surface of the outer circumference surface of traction wheel seat (7) for matching with traction sheave (8) endoporus, screw pass the be spirally connected step surface that makes traction sheave (8) endoporus and the step surface of traction wheel seat (7) outer ring of traction sheave (8) and traction wheel seat (7) from left to right and offset.
6. detachable towing machine according to claim 5 is characterized in that: the left side that the left side of traction sheave (8) is positioned at the right side of left side end cap (5) makes the medial extremity of left side end cap (5) stretch in traction sheave (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204631781U CN202321894U (en) | 2011-11-18 | 2011-11-18 | Detachable type traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204631781U CN202321894U (en) | 2011-11-18 | 2011-11-18 | Detachable type traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202321894U true CN202321894U (en) | 2012-07-11 |
Family
ID=46433884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204631781U Expired - Fee Related CN202321894U (en) | 2011-11-18 | 2011-11-18 | Detachable type traction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202321894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609284A (en) * | 2015-01-21 | 2015-05-13 | 郭自刚 | Novel elevator traction machine maintained on site |
| CN106829701A (en) * | 2017-03-14 | 2017-06-13 | 上海爱登堡电梯集团股份有限公司 | Permanent magnetic synchronous traction machine |
| CN109052118A (en) * | 2018-09-28 | 2018-12-21 | 苏州润吉驱动技术有限公司 | A kind of gantry frame type villa elevator traction machine |
-
2011
- 2011-11-18 CN CN2011204631781U patent/CN202321894U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609284A (en) * | 2015-01-21 | 2015-05-13 | 郭自刚 | Novel elevator traction machine maintained on site |
| CN106829701A (en) * | 2017-03-14 | 2017-06-13 | 上海爱登堡电梯集团股份有限公司 | Permanent magnetic synchronous traction machine |
| CN109052118A (en) * | 2018-09-28 | 2018-12-21 | 苏州润吉驱动技术有限公司 | A kind of gantry frame type villa elevator traction machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |