CN204225044U - Worm-type open-close machine closes an overload protection arrangement - Google Patents
Worm-type open-close machine closes an overload protection arrangement Download PDFInfo
- Publication number
- CN204225044U CN204225044U CN201420670367.XU CN201420670367U CN204225044U CN 204225044 U CN204225044 U CN 204225044U CN 201420670367 U CN201420670367 U CN 201420670367U CN 204225044 U CN204225044 U CN 204225044U
- Authority
- CN
- China
- Prior art keywords
- worm
- type open
- breaker bolt
- close machine
- headstock gear
- 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
Worm-type open-close machine closes an overload protection arrangement; comprise breaker bolt, limit switch and disc spring; the head of headstock gear and the support of headstock gear are linked together by breaker bolt, and disc spring is enclosed within bottom breaker bolt and combines closely with support, and limit switch is fixed on outside support.The utility model achieves existing worm-type open-close machine and closes a defencive function for overload, and when aperture load lower limit is malfunctioning, breaker bolt becomes the last barrier of protection screw rod and headstock gear overall performance, effectively can improve the safety assurance of worm-type open-close machine.
Description
Technical field
The utility model relates to hydraulic engineering opening and closing device technical field, is specifically related to a kind of worm-type open-close machine and closes an overload protection arrangement.
Background technology
Worm-type open-close machine is opening and closing device important in hydraulic engineering, and the lifting operating gate with him, with adjust flux, controlling water level, is widely used in various water-control project.The Qi Menli of worm-type open-close machine is usually greater than and closes Men Li and motor capacity and select by keying load, if therefore to close in a process gate generation jam or when gate moves to Di Kan position distance caging device malfunctioning, then the downforce of headstock gear can substantially exceed and predetermined close a load, thus screw rod unstability is bent or because of lifting power and damaging overall performance upwards.
Summary of the invention
The utility model provides a kind of worm-type open-close machine and closes an overload protection arrangement, and the headstock gear No-mistake Principle protection mechanism existed to solve prior art causes transshipping the problem damaged.
The utility model solves the technical scheme that its technical problem adopts:
A kind of worm-type open-close machine closes an overload protection arrangement; comprise breaker bolt, limit switch and disc spring; the head of headstock gear and the support of headstock gear are linked together by breaker bolt, and disc spring is enclosed within bottom breaker bolt and combines closely with support, and limit switch is fixed on outside support.
The screw rod end of above-mentioned breaker bolt connects an overload head.
Operating principle of the present utility model is: the head of headstock gear and the support breaker bolt of headstock gear link together, and support stone bolt is fixed on frame bridge floor, screw engaged transmission in screw rod and head, when headstock gear closes, screw pressure is downwards by closing gate, breaker bolt is subject to pulling force upwards, disc spring compressive strain under pressure stretches to breaker bolt distortion and forms cushioning effect, if when closing a power and being excessive screw rod downforce exceed specified when closing 15% of a power breaker bolt will be pulled off, now limit switch disconnects, headstock gear quits work thus reaches the object of protection opening and closing device.
The utility model achieves existing worm-type open-close machine and closes a defencive function for overload, and when aperture load lower limit is malfunctioning, breaker bolt becomes the last barrier of protection screw rod and headstock gear overall performance, effectively can improve the safety assurance of worm-type open-close machine.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model breaker bolt.
1 head, 2 breaker bolts, 3 limit switches, 4 disc springs, 5 supports, 21 screw rods, 22 overload heads in figure.
Detailed description of the invention
As depicted in figs. 1 and 2: a kind of worm-type open-close machine closes an overload protection arrangement; comprise breaker bolt 2, limit switch 3 and disc spring 4; the head 1 of headstock gear is linked together by breaker bolt 2 with the support 5 of headstock gear; disc spring 4 is enclosed within bottom breaker bolt 2 and combines closely with support 5; limit switch 3 is fixed on outside support 5, and screw rod 21 end of breaker bolt 2 connects an overload 22.
Operating principle of the present utility model is: link together with breaker bolt 2 between the head 1 of headstock gear and the support 5 of headstock gear, and support 5 is fixed on frame bridge floor with stone bolt, screw engaged transmission in screw rod and head, when headstock gear closes, screw pressure is downwards by closing gate, breaker bolt 2 is subject to pulling force upwards, disc spring 4 compressive strain is under pressure out of shape to breaker bolt 2 the formation cushioning effect that stretches, if when closing a power and being excessive screw rod downforce exceed specified when closing 15% of a power breaker bolt 2 will be pulled off, now limit switch 3 disconnects, headstock gear quits work thus reaches the object of protection opening and closing device.
Claims (2)
1. a worm-type open-close machine closes an overload protection arrangement; it is characterized in that comprising breaker bolt, limit switch and disc spring; the head of headstock gear and the support of headstock gear are linked together by breaker bolt; disc spring is enclosed within bottom breaker bolt and combines closely with support, and limit switch is fixed on outside support.
2. worm-type open-close machine according to claim 1 closes an overload protection arrangement, it is characterized in that the screw rod end of breaker bolt connects an overload head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670367.XU CN204225044U (en) | 2014-11-12 | 2014-11-12 | Worm-type open-close machine closes an overload protection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670367.XU CN204225044U (en) | 2014-11-12 | 2014-11-12 | Worm-type open-close machine closes an overload protection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204225044U true CN204225044U (en) | 2015-03-25 |
Family
ID=52923160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420670367.XU Expired - Fee Related CN204225044U (en) | 2014-11-12 | 2014-11-12 | Worm-type open-close machine closes an overload protection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204225044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360470A (en) * | 2018-04-03 | 2018-08-03 | 安徽省康宇水电机械成套设备有限公司 | A kind of buffer-type screw open-close machine |
-
2014
- 2014-11-12 CN CN201420670367.XU patent/CN204225044U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360470A (en) * | 2018-04-03 | 2018-08-03 | 安徽省康宇水电机械成套设备有限公司 | A kind of buffer-type screw open-close 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: 20150325 Termination date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |