CN205668915U - Electric screw-jacks - Google Patents
Electric screw-jacks Download PDFInfo
- Publication number
- CN205668915U CN205668915U CN201620546337.7U CN201620546337U CN205668915U CN 205668915 U CN205668915 U CN 205668915U CN 201620546337 U CN201620546337 U CN 201620546337U CN 205668915 U CN205668915 U CN 205668915U
- Authority
- CN
- China
- Prior art keywords
- jacking sleeve
- screw
- jacks
- nut
- worm
- 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 electric screw-jacks, including base, housing, jacking sleeve, motor and drive mechanism, housing, jacking sleeve and drive mechanism are all located on base.Drive mechanism includes worm gear, worm screw, screw rod and nut, and motor is connected with worm-drive, worm gear and worm engaging, and worm gear is connected with screw rod one end, and nut is matched by screw thread with screw rod, and nut matches with jacking sleeve.When driven by motor worm screw rotates, worm screw drives worm gear wheel, and worm gear drives screw rod to rotate, and nut moves upward or downward relative to screw rod, to control rising or falling of jacking sleeve.Electric screw-jacks of the present utility model, it is easy to control, steadily, weight capacity is strong, utilizes motor to drive, can control multiple electric screw-jacks and use simultaneously in lifting, saves manpower.
Description
Technical field
This utility model relates to assist field, particularly to electric screw-jacks.
Background technology
Jack is a kind of simple and practical crane gear, brings great convenience to the live and work of people, by extensively
General it is applied to every field.The two class jack being most widely used are fluid pressure type and mechanical type.Wherein, hydraulic jack holds
Weight is limited in one's ability, and during raising and lowering, speed is wayward, poor stability；Mechanical jack needs back and forth to pull hands
Handle, the laborious inconvenience of operation, expends a large amount of manpower, and hazard index is higher.
Utility model content
The purpose of this utility model is to provide a kind of electric screw-jacks, can solve in above-mentioned prior art problem
One or more.
According to an aspect of the present utility model, it is provided that a kind of electric screw-jacks, including base, housing, lifting
Sleeve, motor and drive mechanism, housing, jacking sleeve and drive mechanism be all located on base, jacking sleeve and drive mechanism phase
Even.Drive mechanism includes worm gear, worm screw, screw rod and nut, and motor is connected with worm-drive, worm gear and worm engaging, worm gear with
Screw rod one end is connected, and nut is matched by screw thread with screw rod, and nut matches with jacking sleeve.
When driven by motor worm screw rotates, worm screw drives worm gear wheel, and worm gear drives screw rod to rotate, and nut is made relative to screw rod
Rise or fall motion.When nut rises, nut drives jacking sleeve to make ascending motion；When nut declines, jacking sleeve
Descending motion is made under weight pressure, himself gravity or the two combination.
The beneficial effects of the utility model are: by driven by motor drive mechanism, control the raising and lowering of jacking sleeve,
Having stable behavior, it is easy to control, and apparatus structure is simple and practical.Electric screw-jacks of the present utility model, utilizes motor to drive,
Multiple electric screw-jacks can be controlled use simultaneously, save manpower, control electric screw by the cooperation of screw rod and nut
Jack lifts, it is to avoid the drawbacks such as hydraulic jack load-bearing is limited, unstable.
In some embodiments, jacking sleeve bottom inside is provided with caulking groove, and jacking sleeve is by caulking groove and nut appearance
Match in face.Thus, risen or fallen by nut, control rising or falling of jacking sleeve.
In some embodiments, caulking groove lower ending opening, jacking sleeve is connected by space with nut upper surface and side.
Thus, when nut rises, by the nut upper surface support force to jacking sleeve, jacking sleeve is driven to rise；When under nut
During fall, jacking sleeve relies on weight pressure, himself gravity or the two combination to make descending motion.
In some embodiments, screw rod bottom outer wall is fixedly linked by the gear teeth with worm gear center hole wall.Thus, snail is worked as
When wheel rotates, screw rod can be with worm gear synchronous axial system.
In some embodiments, base being additionally provided with bearing, worm gear is connected with base by bearing.Thus, worm gear is worked as
During with worm engaging transmission, decrease the frictional force of turbine rotation, improve worm gear wheel motility.
In some embodiments, case inside is additionally provided with stopper slot, and jacking sleeve surface is correspondingly provided with the first limit convex
Limit, stopper slot and the first spacing chimb are vertical direction, and the first spacing chimb can make elevating movement along stopper slot.Thus,
Jacking sleeve and nut can only in the vertical direction motions.
In some embodiments, housing being additionally provided with stopping means, jacking sleeve bottom is correspondingly provided with the second limit convex
Limit, stopping means can stop that the second spacing chimb moves upward.Thus, the maximum height that lifting controllable sleeve rises.
In some embodiments, drive mechanism, jacking sleeve and bearing are made by wear-resisting rigid metallic material.By
This, can extend its service life with the damage of slowing device.
In some embodiments, also including top cover, top cover is bolted with jacking sleeve top and is connected.Thus,
It is easily carried weight.
In some embodiments, when jacking sleeve drops to extreme lower position, cap edge connects with housing.Thus, top
Lid edge falls within housing upper surface, and housing dispersibles part weight gravity.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the electric screw-jacks of this utility model one embodiment；
Fig. 2 is the jacking sleeve schematic diagram of electric screw-jacks shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Fig. 1 show schematically show the electric screw-jacks according to a kind of embodiment of the present utility model.As schemed
Showing, this device includes base 10, housing 5, jacking sleeve 2, motor 6 and drive mechanism, drive mechanism, jacking sleeve 2 and housing 5
All it is located on base 10.Drive mechanism includes worm gear 7, worm screw 8, screw rod 3 and nut 4, and motor 6 is connected with worm screw 8, and motor 6 can
Drive worm screw 8 synchronous axial system.Worm gear 7 engages with worm screw 8.Base 10 is provided with bearing 9, and worm gear 7 is by bearing 9 and base 10 phase
Even.When worm gear 7 and worm screw 8 engaged transmission, worm gear 7 rotates along bearing 9.Screw rod 3 bottom outer wall is passed through with worm gear 7 center hole wall
The gear teeth are fixedly linked.Nut 4 is matched by screw thread with screw rod 3, and screw rod 3 vertical direction is fixed, and nut 4 can be at spiral shell by screw thread
Vertical motion on bar 3.
Jacking sleeve 2 bottom inside is provided with caulking groove 21, caulking groove 21 lower ending opening, and jacking sleeve 2 and nut 4 are by caulking groove 21
Match, and connected by space between caulking groove 21 with upper surface and the side of nut 4.When nut 4 rises, by nut 4
The surface support force to jacking sleeve 2, drives jacking sleeve 2 to rise；When nut 4 declines, jacking sleeve 2 relies on weight pressure
Power, himself gravity or the two combination make descending motion.
Jacking sleeve 2 is provided with top cover 1, and top cover 1 is bolted with jacking sleeve 2 top.
Being provided with stopper slot 51 inside housing 5, jacking sleeve 2 surface is correspondingly provided with the first spacing chimb 23, stopper slot 51 He
First spacing chimb 23 is vertical direction, and the first spacing chimb 23 can make elevating movement in stopper slot 51.Housing 5 is internal
Being provided with stopping means 52, jacking sleeve 2 bottom is correspondingly provided with the second spacing chimb 22, and stopping means 51 can stop that second is spacing
Chimb 22 moves upward, the maximum height that stopping means 51 lifting controllable sleeve 2 rises.When jacking sleeve 2 drops to minimum
During position, top cover 1 edge connects with housing 5.Top cover 1 edge falls within housing 5 upper surface, and housing 5 dispersibles part weight weight
Power.
Here, drive mechanism, jacking sleeve 2 and bearing 9 are made by wear-resisting rigid metallic material, can be with slowing device
Damage, extend its service life.
Electric screw-jacks of the present utility model, when running, starts motor 6 and switchs, and motor 6 drives worm screw 8 to rotate,
Worm screw 8 drives worm gear 7 to rotate, and worm gear 7 drives screw rod 3 to rotate, and the relative screw rod 3 of nut 4 moves upward or downward.When nut 4
During rising, nut 4 drives jacking sleeve 2 to make ascending motion；When nut 4 declines, jacking sleeve 2 weight pressure, himself
Making descending motion under gravity or the two combination, meanwhile, the support force of jacking sleeve 2 is made the jacking sleeve 2 can be steady by nut 4
Fix fall.
Electric screw-jacks of the present utility model, steadily, weight capacity is strong, utilizes motor to drive, can control in lifting
Multiple electric screw-jacks use simultaneously, save manpower, control electric screw-jacks by the cooperation of screw rod 3 and nut 4
Raising and lowering, it is to avoid the drawback such as hydraulic jack load-bearing is limited, unstable.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art,
On the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these broadly fall into this practicality
Novel protection domain.
Claims (10)
1. electric screw-jacks, including base, housing, jacking sleeve, motor and drive mechanism, described housing, jacking sleeve
All being located on described base with drive mechanism, described jacking sleeve is connected with described drive mechanism,
It is characterized in that, described drive mechanism includes worm gear, worm screw, screw rod and nut, described motor and described worm-drive phase
Even, described worm gear and described worm engaging, described worm gear is connected with described screw rod one end, and described nut and described screw rod pass through spiral shell
Stricture of vagina matches, and described nut matches with described jacking sleeve,
When worm screw described in described driven by motor rotates, described worm screw drives described worm gear wheel, and described worm gear drives described spiral shell
Bar rotates, and the most described screw rod of described nut moves upward or downward,
When described nut rises, described nut drives described jacking sleeve to make ascending motion,
When described nut declines, described jacking sleeve is made to decline under weight pressure, himself gravity or the two combination
Motion.
Electric screw-jacks the most according to claim 1, it is characterised in that described jacking sleeve bottom inside is provided with embedding
Groove, described jacking sleeve is matched with described nut outer surfaces by described caulking groove.
Electric screw-jacks the most according to claim 2, it is characterised in that described caulking groove lower ending opening, described lifting
Sleeve is connected by space with described nut upper surface and side.
Electric screw-jacks the most according to claim 1, it is characterised in that solid with worm gear centre bore bottom described screw rod
Fixed connected.
Electric screw-jacks the most according to claim 1, it is characterised in that be additionally provided with bearing on described base, described
Worm gear is connected with base by described bearing.
Electric screw-jacks the most according to claim 1, it is characterised in that described case inside is additionally provided with stopper slot,
Described jacking sleeve surface is correspondingly provided with the first spacing chimb, described stopper slot and described first spacing chimb and is vertical side
To, described first spacing chimb can make elevating movement along described stopper slot.
Electric screw-jacks the most according to claim 1, it is characterised in that be additionally provided with stopping means on described housing,
Described jacking sleeve bottom is correspondingly provided with the second spacing chimb, and described stopping means can stop described second spacing chimb upwards
Motion.
Electric screw-jacks the most as claimed in any of claims 1 to 7, it is characterised in that described drive mechanism,
Jacking sleeve and bearing are made by wear-resisting rigid metallic material.
Electric screw-jacks the most according to claim 1, it is characterised in that also including top cover, described top cover is with described
Jacking sleeve is connected.
Electric screw-jacks the most according to claim 9, it is characterised in that described jacking sleeve drops to lowest order
When putting, described top cover lower limb connects with described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546337.7U CN205668915U (en) | 2016-06-06 | 2016-06-06 | Electric screw-jacks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546337.7U CN205668915U (en) | 2016-06-06 | 2016-06-06 | Electric screw-jacks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205668915U true CN205668915U (en) | 2016-11-02 |
Family
ID=57191627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546337.7U Expired - Fee Related CN205668915U (en) | 2016-06-06 | 2016-06-06 | Electric screw-jacks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205668915U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009502A (en) * | 2017-05-23 | 2017-08-04 | 中铁十七局集团物资有限公司 | Screw synchronization of jacking up automatically controls demolding of track slab machine |
| CN107055370A (en) * | 2017-04-28 | 2017-08-18 | 赛埃孚汽车保修设备（太仓）有限公司 | A kind of stroke compensating mechanism and its method of work for twin columns elevator |
| CN108797664A (en) * | 2018-05-25 | 2018-11-13 | 国家电网公司 | A kind of spiral jacking type electric power pylon differential settlement automatic regulating system |
| CN109502521A (en) * | 2018-12-29 | 2019-03-22 | 宁波星箭航天机械有限公司 | A kind of horizontal stripes for lifting device and vertical bands engaging structure |
| CN112408234A (en) * | 2020-11-23 | 2021-02-26 | 长春一汽富维东阳汽车塑料零部件有限公司 | Motor hoisting system based on box beam static load test system |
-
2016
- 2016-06-06 CN CN201620546337.7U patent/CN205668915U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055370A (en) * | 2017-04-28 | 2017-08-18 | 赛埃孚汽车保修设备（太仓）有限公司 | A kind of stroke compensating mechanism and its method of work for twin columns elevator |
| CN107055370B (en) * | 2017-04-28 | 2019-08-27 | 赛埃孚汽车保修设备（太仓）有限公司 | A kind of stroke compensating mechanism and its working method for twin columns elevator |
| CN107009502A (en) * | 2017-05-23 | 2017-08-04 | 中铁十七局集团物资有限公司 | Screw synchronization of jacking up automatically controls demolding of track slab machine |
| CN108797664A (en) * | 2018-05-25 | 2018-11-13 | 国家电网公司 | A kind of spiral jacking type electric power pylon differential settlement automatic regulating system |
| CN109502521A (en) * | 2018-12-29 | 2019-03-22 | 宁波星箭航天机械有限公司 | A kind of horizontal stripes for lifting device and vertical bands engaging structure |
| CN112408234A (en) * | 2020-11-23 | 2021-02-26 | 长春一汽富维东阳汽车塑料零部件有限公司 | Motor hoisting system based on box beam static load test system |
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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: 20161102 Termination date: 20170606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |