CN204729590U - Elevator rack - Google Patents
Elevator rack Download PDFInfo
- Publication number
- CN204729590U CN204729590U CN201520370279.2U CN201520370279U CN204729590U CN 204729590 U CN204729590 U CN 204729590U CN 201520370279 U CN201520370279 U CN 201520370279U CN 204729590 U CN204729590 U CN 204729590U
- Authority
- CN
- China
- Prior art keywords
- tooth bar
- dovetail
- earthly branches
- twelve earthly
- rack
- 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
Links
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- Gears, Cams (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses a kind of elevator rack, this tooth bar comprises tooth bar body (1), makes dovetail joint (2) in one end of every toothed rack body (1), and the other end of tooth bar body (1) makes the dovetail fourth of the twelve Earthly Branches (3); Dovetail joint (2) and the dovetail fourth of the twelve Earthly Branches (3) shape, size match, and Tenon everywhere angle is identical, are all 60 °, dovetail joint (2) each portion size 0.2mm less of the dovetail fourth of the twelve Earthly Branches (3).Located lateral during the utility model guarantee tooth bar docking and longitudinal register, avoid tooth bar seam crossing to misplace and seam becomes large, the accurate engagement of guarantee wheel and rack, is convenient to again docking simultaneously and disassembles.
Description
Technical field
The utility model relates to tooth bar, is specifically related to the tooth bar that lift uses.
Background technique
Lift is the special machinery of vertical lift goods, and its power is provided by the motor be installed on shelf, and motor is engaged with the tooth bar be installed on lift pylon body by gear after speed reducer slows down, and the forward and backward controlling motor realizes the lifting of shelf.The length of tooth bar is no less than the maximum height of shelf arrival, and for the ease of transport, installation and removal, tooth bar is made shorter one by one usually, tooth bar docking will get up one by one, and be bolted on pylon when lift is installed; Again tooth bar is taken apart one by one when lift is removed.In order to ensure that every toothed rack seam crossing aligns, way general at present adopts straight pin location.The drawback adopting straight pin to locate is: the located lateral that 1) can only ensure tooth bar, longitudinal direction (length direction) location of tooth bar cannot be realized, when the radical of tooth bar is a lot, due to the impact that gravity and pylon are out of shape, the gap of tooth bar joint can be made to become large (in order to ensure the accurate engagement of rack and pinion, code requirement gap must not be greater than 0.3mm), more seriously, the change in gap is very much not be distributed to each gap place equably, and often concentrate on gap place, the tooth pitch of this seam crossing is caused to become large, gear and tooth bar cannot normally engage, cause major accident, 2) adopt drive fit between straight pin and tooth bar, once get rusty, be difficult to disassemble, sometimes even break and cannot to take out in tooth bar, cause tooth bar to scrap.
Summary of the invention
The purpose of this utility model is: provide a kind of elevator rack, ensures located lateral when tooth bar docks and longitudinal register, the dislocation of tooth bar seam crossing and seam can not be caused to become large, ensure the accurate engagement of wheel and rack, and while is convenient to again dock and disassemble.
Technical solution of the present utility model is: this tooth bar comprises tooth bar body, it is characterized in that: make dovetail joint in one end of every toothed rack body, and the other end of tooth bar body makes the dovetail fourth of the twelve Earthly Branches.
During docking, dock with the dovetail fourth of the twelve Earthly Branches end of another toothed rack with the dovetail joint end of a toothed rack, by that analogy.
The beneficial effects of the utility model are: adopt dovetail mortise-tenon to dock between tooth bar, dovetail joint can embed like a cork in the dovetail fourth of the twelve Earthly Branches and carry out docking or deviate from the dovetail fourth of the twelve Earthly Branches and disassemble, big error can not be caused because spacious amount is excessive, both ensure that the located lateral of each seam crossing of every toothed rack, in turn ensure that longitudinal register, can not gap and become large, be convenient to docking simultaneously and disassemble.
Accompanying drawing explanation
Fig. 1 is the utility model tooth bar dovetail mortise-tenon docking schematic diagram.
In figure: 1 tooth bar body, 2 dovetail joints, the 3 dovetail fourths of the twelve Earthly Branches.
Embodiment
As shown in Figure 1, this tooth bar comprises tooth bar body 1, it is characterized in that: make dovetail joint 2 in one end of every toothed rack body 1, and the other end of tooth bar body 1 makes the dovetail fourth of the twelve Earthly Branches 3.
wherein,dovetail joint 2 and the dovetail fourth of the twelve Earthly Branches 3 shape, size match, and Tenon everywhere angle is identical, are all 60 °, dovetail joint 2 each portion size 0.2mm less of the dovetail fourth of the twelve Earthly Branches 3.
Claims (2)
1. elevator rack, this tooth bar comprises tooth bar body (1), it is characterized in that: make dovetail joint (2) in one end of every toothed rack body (1), and the other end of tooth bar body (1) makes the dovetail fourth of the twelve Earthly Branches (3).
2. elevator rack according to claim 1, is characterized in that: dovetail joint (2) and the dovetail fourth of the twelve Earthly Branches (3) shape, size match, and Tenon everywhere angle is identical, are all 60 °, dovetail joint (2) each portion size 0.2mm less of the dovetail fourth of the twelve Earthly Branches (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370279.2U CN204729590U (en) | 2015-06-02 | 2015-06-02 | Elevator rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370279.2U CN204729590U (en) | 2015-06-02 | 2015-06-02 | Elevator rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729590U true CN204729590U (en) | 2015-10-28 |
Family
ID=54387945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520370279.2U Expired - Fee Related CN204729590U (en) | 2015-06-02 | 2015-06-02 | Elevator rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204729590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957369A (en) * | 2017-12-11 | 2018-04-24 | 哈尔滨工业大学 | Adjustable for height column Parts Experiment attachment device |
| CN108019218A (en) * | 2017-12-27 | 2018-05-11 | 北京京诚之星科技开发有限公司 | A kind of segmented herringbone rack |
| WO2022099733A1 (en) * | 2020-11-12 | 2022-05-19 | 昆山凯禄电子科技有限公司 | Combined gear rack |
-
2015
- 2015-06-02 CN CN201520370279.2U patent/CN204729590U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957369A (en) * | 2017-12-11 | 2018-04-24 | 哈尔滨工业大学 | Adjustable for height column Parts Experiment attachment device |
| CN108019218A (en) * | 2017-12-27 | 2018-05-11 | 北京京诚之星科技开发有限公司 | A kind of segmented herringbone rack |
| WO2022099733A1 (en) * | 2020-11-12 | 2022-05-19 | 昆山凯禄电子科技有限公司 | Combined gear rack |
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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: 20151028 Termination date: 20200602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |