CN203021972U - Screw rod water leakage preventing structure of field hoist - Google Patents
Screw rod water leakage preventing structure of field hoist Download PDFInfo
- Publication number
- CN203021972U CN203021972U CN 201320019630 CN201320019630U CN203021972U CN 203021972 U CN203021972 U CN 203021972U CN 201320019630 CN201320019630 CN 201320019630 CN 201320019630 U CN201320019630 U CN 201320019630U CN 203021972 U CN203021972 U CN 203021972U
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- CN
- China
- Prior art keywords
- screw
- screw rod
- screw mandrel
- hoist
- gland
- 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
The utility model discloses a screw rod water leakage preventing structure of a field hoist. The structure comprises a shell arranged on a support seat, wherein a worm and worm wheel structure is arranged in the shell; a worm wheel is connected with a screw through a connection key; the screw is connected with the support seat through a pressure bearing; a screw rod is arranged in the screw; the top of the screw rod passes through the shell; the bottom of the screw rod passes through the support seat and is connected with a gate; a spiral water seal is arranged in a thread at the top of the screw rod; the top of the support seat is fixedly connected with a gland; and the top of the screw rod passes through the gland. The screw rod water leakage preventing structure disclosed by the utility model has a simple structure, is convenient to manufacture and use, and can be transformed based on an existing hoist. The structure disclosed by the utility model can prevent rainwater from flowing into the hoist, and guarantees the lubrication quality of lubricating oil in the hoist, thus prolonging the service life of mechanical parts in the hoist.
Description
Technical field
The utility model relates to a kind of open-air headstock gear and prevents the structure that leading screw leaks.
Background technology
The on-off structure of existing open-air driven open/close gate comprises the housing that is arranged on supporting seat, be provided with worm gear structure in housing, worm gear is connected with screw by connecting key, screw is connected on supporting seat by bearing, be provided with screw mandrel in screw, described housing is passed at the screw mandrel top, and screw mandrel bottom is passed described supporting seat and is connected with gate.During open-close sluice gate, worm and gear drives the screw rotation, and screw drives the screw mandrel rotation, moves up and down on one side screw mandrel rotates an edge screw, completes the action of unlatching or closed shutter.
Said structure has non-water-tight defective, and on rainy day, rainwater flows in headstock gear along screw mandrel, and the lubrication oil in headstock gear is washed out by rainwater, and then makes worm gear, worm screw, screw, screw mandrel lack lubrication oil and get rusty, and even weares and teares and ruins.
The utility model content
The purpose of this utility model is to provide a kind of can prevent that rainwater from preventing the leading screw water-leaking structure along the open-air headstock gear that screw mandrel flows into headstock gear inside.
For achieving the above object, open-air headstock gear of the present utility model prevents that the leading screw water-leaking structure from comprising the housing that is arranged on supporting seat, be provided with worm gear structure in housing, worm gear is connected with screw by connecting key, screw is connected on supporting seat by pressure bearing, be provided with screw mandrel in screw, described housing is passed at the screw mandrel top, the screw mandrel bottom is passed described supporting seat and is connected with gate, be provided with the spiral water sealing in the silking at described screw mandrel top, described supporting seat top is fixedly connected with gland, and described gland is passed at described screw mandrel top.
Be provided with in described gland and have flexible waterproof and compress material, screw mandrel passes described waterproof and compresses material and compress the crimping of material phase with waterproof.
The utility model is simple in structure, and manufacturing and use are all very convenient, can transform on the basis of existing headstock gear.The utility model can make rainwater no longer flow in headstock gear, has guaranteed the lubricating quality of lubrication oil in headstock gear, thereby extends the application life of headstock gear internal mechanical component.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
The specific embodiment
as depicted in figs. 1 and 2, open-air headstock gear of the present utility model prevents that the leading screw water-leaking structure from comprising the housing 10 that is arranged on supporting seat, be provided with worm gear structure in housing 10, worm gear 8 is connected with screw 5 by connecting key 6, screw 5 is connected on supporting seat 11 by pressure bearing 9, be provided with screw mandrel 1 in screw 5, described housing 10 is passed at screw mandrel 1 top, screw mandrel 1 bottom is passed described supporting seat 11 and is connected with gate, be provided with spiral water sealing 2 in the silking at described screw mandrel 1 top, described supporting seat 11 tops are fixedly connected with gland 4 by bolt 3, described gland 4 is passed at described screw mandrel 1 top.
Be provided with in described gland 4 and have flexible waterproof and compress material 12(waterproof and compress material 12 and can adopt rubber etc. to have flexible waterproofing materials), screw mandrel 1 passes described waterproof and compresses material 12 and compress material 12 phase crimping with waterproof.
Headstock gear closes lock or when opening a sluice gate to move, the screw mandrel 1 that passes gland 4 still can freely rise or fall, and spiral water sealing 2 can tightly seal the screw thread at screw mandrel 1 top, makes rainwater not flow into headstock gear inside downwards along screw mandrel 1 screw thread.Because compressing material 12, waterproof has elasticity, therefore the frictional force that when screw mandrel 1 rises or descends, screw mandrel 1 is produced is very limited, can not affect normal rotation and the lifting of screw mandrel 1, can closely fit again simultaneously screw mandrel 1 and on spiral water sealing 2, prevent that rainwater from infiltrating.
When opening and closing shutter, external motor transmission worm screw drives worm gear 8, drives screw 5 under the effect of connecting key 6, makes screw mandrel 1 rise or descend and moves, and drives gate when screw mandrel 1 moves up and down and completes switching motion.This novel protective action has been arranged, screw 5, connecting key 6, worm screw 7, worm gear 8, pressure bearing 9 in figure are all well lubricated, thereby made not easy to wear increasing the service life of the interior component of headstock gear.
The present embodiment is not that shape of the present utility model, material, structure etc. are done any pro forma restriction; every foundation technical spirit of the present utility model all belongs to the protection domain of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment does.
Claims (2)
1. open-air headstock gear prevents the leading screw water-leaking structure, comprise the housing that is arranged on supporting seat, be provided with worm gear structure in housing, worm gear is connected with screw by connecting key, screw is connected on supporting seat by pressure bearing, is provided with screw mandrel in screw, and described housing is passed at the screw mandrel top, the screw mandrel bottom is passed described supporting seat and is connected with gate, it is characterized in that:
Be provided with spiral water sealing in the silking at described screw mandrel top, described supporting seat top is fixedly connected with gland, and described gland is passed at described screw mandrel top.
2. open-air headstock gear according to claim 1 prevents the leading screw water-leaking structure, it is characterized in that: be provided with in described gland and have flexible waterproof and compress material, screw mandrel passes described waterproof and compresses material and compress the crimping of material phase with waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019630 CN203021972U (en) | 2013-01-15 | 2013-01-15 | Screw rod water leakage preventing structure of field hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019630 CN203021972U (en) | 2013-01-15 | 2013-01-15 | Screw rod water leakage preventing structure of field hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021972U true CN203021972U (en) | 2013-06-26 |
Family
ID=48645966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019630 Expired - Fee Related CN203021972U (en) | 2013-01-15 | 2013-01-15 | Screw rod water leakage preventing structure of field hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203021972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320286A (en) * | 2015-06-25 | 2017-01-11 | 安徽金川活动坝科技有限公司 | Movable dam |
-
2013
- 2013-01-15 CN CN 201320019630 patent/CN203021972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320286A (en) * | 2015-06-25 | 2017-01-11 | 安徽金川活动坝科技有限公司 | Movable dam |
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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: 20130626 Termination date: 20160115 |
|
| EXPY | Termination of patent right or utility model |