CN205503903U - Cascaded lifter of mariages thick stick - Google Patents
Cascaded lifter of mariages thick stick Download PDFInfo
- Publication number
- CN205503903U CN205503903U CN201620306854.7U CN201620306854U CN205503903U CN 205503903 U CN205503903 U CN 205503903U CN 201620306854 U CN201620306854 U CN 201620306854U CN 205503903 U CN205503903 U CN 205503903U
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- screw
- lead screw
- hollow
- cascade
- guide plate
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Abstract
The utility model discloses a cascaded lifter of mariages thick stick, including cascaded elementary lead screw assembly and hollow lead screw assembly, elementary lead screw assembly includes that elementary lead screw and elementary screw nut, elementary screw nut connect firmly with lift guide plate, when elementary lead screw is rotatory, drives elementary screw nut and goes up and down with lift guide plate, the hollow screw subassembly includes hollow screw and hollow screw nut, and hollow screw 's inside is provided with the transmission shaft, and during drive shaft rotating, it is rotatory to drive hollow screw, drives the hollow screw nut simultaneously, drives lift slide and lifting frame and goes up and down, hollow screw 's axle head be provided with ball bearing, ball bearing's inner ring connects firmly with the outer lane of lead screw axle head, ball bearing's outer loop is fixed on lift guide plate, when lift guide plate goes up and down, can drive the whole lift of hollow screw subassembly. The utility model discloses a hollow screw subassembly whole goes up and down and lift slide and lifting frame go up and down alone, has satisfied the needs of special occasion.
Description
Technical field
This utility model belongs to mechanical transmission fields, relates to a kind of screw nut driven mechanism, and especially one
Plant the drive rod of double lead-screw cascade lifting.
Background technology
Leading screw is a kind of common drive mechanism, rotarily drives nut by leading screw and moves, enter in using
And drive slide to move along the axial direction of leading screw.For ensureing that leading screw rotates, one end of leading screw must be pacified
Fill journal bearing and end face bearing and to be fixedly connected with whorl of base.But in actual applications, due to
Limited by installing space, risen again after needing elevating lever is dropped to certain certain altitude, therefore
Use single-stage screw structure to be difficult to meet the requirement of article lifting, limit the application of lead-screw drive mechanism.
Utility model content
The purpose of this utility model is to provide a kind of double lead-screw cascade elevating lever, two leading screws in using
Fold, meet the maximum height requirement of article lifting during expansion, when folding, also meet article simultaneously
The minimum altitude requirement of lifting, meets the use requirement of user.
The technical solution of the utility model is as follows:
The elevating lever of a kind of double lead-screw cascade, including primary lead screw assembly and the hollow lead screw assembly of cascade；
Described primary lead screw assembly includes primary leading screw and the primary feed screw nut matched with primary leading screw,
Primary feed screw nut connects firmly with lifting guide plate, when primary leading screw rotates, drive primary feed screw nut and
Lifting guide plate lifting；Described hollow lead screw assembly includes hollow lead screw and matches with hollow lead screw
Hollow lead screw nut, described hollow lead screw nut connects firmly with lift slide, and lift slide is fixed on liter
On fall support body；Described hollow lead screw be internally provided with power transmission shaft, when power transmission shaft rotates, drive hollow
Leading screw rotates, and simultaneously drives hollow lead screw lift nut, drives lift slide and lifting frame body lifting；
The axle head of described hollow lead screw is provided with ball bearing, outside the internal ring of ball bearing is with leading screw axle head
Circle connects firmly, and the outer shroud of ball bearing lifts on guide plate with being fixed on；When lifting guide plate lifting, can drive
Dynamic hollow lead screw assembly integral elevating.
In the elevating lever of above-mentioned double lead-screw cascade, power transmission shaft and primary leading screw driving at two different motors
Dynamic lower rotation.
In the elevating lever of above-mentioned double lead-screw cascade, two different motors are real under the control of drive circuit
Existing synchronous axial system.
In the elevating lever of above-mentioned double lead-screw cascade, power transmission shaft is connected firmly with hollow lead screw by fairlead.
In the elevating lever of above-mentioned double lead-screw cascade, the cross section of power transmission shaft is rectangle.
In the elevating lever of above-mentioned double lead-screw cascade, the periphery of an end of hollow lead screw is provided with ball
Bearing, the side of outer race couples with lifting guide plate, and described hollow lead screw is at the band of lifting guide plate
Dynamic lower integral elevating.
In the elevating lever of above-mentioned double lead-screw cascade, the end of hollow lead screw is machined with described ball bearing
Interior ring structure, and match with ball, outer race, the ball bearing described in formation.
In the elevating lever of above-mentioned double lead-screw cascade, the side of outer race is provided with blind hole, for rolling
Pearl is put in the slideway of ball bearing.
In the elevating lever of above-mentioned double lead-screw cascade, blind hole uses block bead device to seal.
In the elevating lever of above-mentioned double lead-screw cascade, blind hole is upper and lower two.
The Advantageous Effects that this utility model has is as follows:
One, this utility model uses primary leading screw and the elevating lever of hollow lead screw composition cascade, its hollow
Heart leading screw be internally provided with power transmission shaft, match with the ball bearing outside leading screw, by power transmission shaft band
Dynamic hollow lead screw rotates, and then drives lift slide and lifting frame body to lift by nut.Work as primary filament
When thick stick drives lifting guide plate lifting, drive hollow lead screw assembly integral elevating by the outer ring of ball bearing,
Achieve two-stage cascade lifting.
Two, this utility model uses two different motors to drive, when elevating lever low level, and two electricity
Machine controls power transmission shaft and primary leading screw synchronous axial system respectively so that lifting guide plate drives hollow lead screw assembly
While integral elevating, hollow lead screw top nut rotates, and drives lifting frame body lifting；High-order at elevating lever
Time, primary driving motor can also only drive primary leading screw rotation so that lift slide and lifting frame body
Individually lifting, it is achieved thereby that cascade lifting, meets the needs of special occasions.
Three, the outer shroud that lifting guide plate is fixed on ball bearing of the present utility model so that hollow lead screw
With bearing effectively overall combination, the flexible rotating of leading screw and the rigid requirements of leading screw were both can guarantee that, again
The use requirement of compact occasion and special occasions lead-screw drive mechanism can be met.
Four, this utility model is equipped with ball bearing at an axle head of hollow lead screw, this bearing interior
Ring is processed in the periphery of one end of leading screw, and matches with ball, outer race, forms ball axle
Hold so that whole bearing arrangement is compact, and maintain the rigidity of leading screw, meet special space occasion
Use requirement.
Five, this practicality is provided with blind hole in the side of outer race, for ball is put into ball bearing
Slideway in, and sealed by block bead device, this structure makes the very convenient letter of installation of ball bearing
Change, it is ensured that the flexible rotating of customization leading screw.
Accompanying drawing explanation
Fig. 1 is the hollow lead screw structure principle chart of the built-in power transmission shaft of this utility model；
Fig. 2 is the schematic diagram of the elevating lever of this utility model double lead-screw cascade.
Reference is as follows: 2 primary leading screws；3 primary feed screw nuts；7 lifting frame bodies；8
Frame；9 ball bearings；10 thrust bearings；11 hollow lead screws；12 power transmission shafts；13—
Ball；14 fairleads；15 block bead devices；16 outer races；17 lift slides；18 is empty
Heart feed screw nut；19 lifting guide plates.
Detailed description of the invention
As it is shown in figure 1, a kind of shaft-driven hollow lead screw of transmission of the present utility model, including air silk
Thick stick 11 and hollow lead screw nut 18, described hollow lead screw nut 18 connects firmly with lift slide 17；
Described hollow lead screw 11 be internally provided with power transmission shaft 12, power transmission shaft 12 by fairlead 14 with
Connecting firmly of hollow lead screw 11 so that when power transmission shaft 12 rotates, drives hollow lead screw 11 to rotate, simultaneously
Drive feed screw nut 18 to lift, drive lift slide 17 to lift.Wherein outer race 16 is fixed on liter
On fall guide plate, the section of power transmission shaft 12 is rectangle, drives hollow lead screw 11 to rotate by fairlead 14,
So that nut 18 drives lift slide 17 to move up and down, made by lifting guide plate 19 when external force simultaneously
With during to ball bearing outer shroud 16, hollow lead screw 11 can also be overall along the upper and lower displacement of leading screw direction,
Meet the application of special occasions.
Be machined with the interior ring structure of ball bearing in the periphery of an end of hollow lead screw 11, and with rolling
Pearl 13 and outer race 16 match, and form ball bearing；The side of outer race 16 is led with lifting
Plate 19 couples, and hollow lead screw 11 is integral elevating under the drive of lifting guide plate 19.
It is that we design it is important that hollow lead screw 11 and bearing inner ring are processed as an entirety, at bearing
Outer shroud 16 slideway lateral surface drill two holes, after hollow lead screw 11 assembles with outer race 16, by ball
13 seal with block bead device 15 after outer race 16 lateral aperture loads slideway, it is ensured that the flexible rotation of leading screw
Turn and the rigidity of leading screw, there is the feature of compact conformation simultaneously.
As in figure 2 it is shown, double lead-screw cascade elevating lever includes primary lead screw assembly and the hollow lead screw of cascade
Assembly.Primary lead screw assembly includes primary leading screw 2 and the primary leading screw spiral shell matched with primary leading screw 2
Female 3, primary feed screw nut 3 connects firmly with lifting guide plate 19, when primary leading screw 2 rotates, at the beginning of drive
Level feed screw nut 3 lifts with lifting guide plate 19.Hollow lead screw assembly is as it is shown in figure 1, power transmission shaft 12
During rotation, drive hollow lead screw 11 to rotate, simultaneously drive hollow lead screw nut 18 and lift, drive and rise
Fall slide 17 and lifting frame body 7 lift；The axle head of hollow lead screw 11 is provided with ball bearing 9, rolling
The internal ring of pearl bearing 9 connects firmly with the outer ring of hollow lead screw axle head, and the outer shroud 16 of ball bearing 9 is fixed on
On lifting guide plate 19；When lifting guide plate 19 and lifting, hollow lead screw assembly integral elevating can be driven.
This utility model can use the parts such as two different driven by motor belt pulleys or gear to drive,
When low level, two motors control power transmission shaft and primary leading screw respectively, and under the control of drive circuit
Synchronous axial system so that lifting guide plate 19 drives hollow lead screw assembly integral elevating；When a high position, primary
Motor is driven can also only to drive primary leading screw 2 to rotate so that lift slide 17 and lifting frame body 7 are single
Solely lifting, it is achieved thereby that cascade lifting, meets the needs of special occasions.
Claims (10)
1. the elevating lever of a double lead-screw cascade, it is characterised in that: include the primary lead screw assembly of cascade
With hollow lead screw assembly；
Described primary lead screw assembly includes primary leading screw and the primary leading screw spiral shell matched with primary leading screw
Mother, primary feed screw nut connects firmly with lifting guide plate, when primary leading screw rotates, drives primary leading screw spiral shell
Female and lifting guide plate lifts；
Described hollow lead screw assembly includes hollow lead screw and the hollow lead screw spiral shell matched with hollow lead screw
Mother, described hollow lead screw nut connects firmly with lift slide, and lift slide is fixed on lifting frame body；
Described hollow lead screw be internally provided with power transmission shaft, when power transmission shaft rotates, drive hollow lead screw to rotate,
Simultaneously drive hollow lead screw lift nut, drive lift slide and lifting frame body lifting；Described is hollow
The axle head of leading screw is provided with ball bearing, and the internal ring of ball bearing connects firmly with the outer ring of leading screw axle head, rolling
The outer shroud of pearl bearing is fixed on lifting guide plate；When lifting guide plate lifting, hollow lead screw group can be driven
Part integral elevating.
The elevating lever of double lead-screw the most according to claim 1 cascade, it is characterised in that: described
Power transmission shaft rotates under the driving of two different motors with primary leading screw.
The elevating lever of double lead-screw the most according to claim 2 cascade, it is characterised in that: two are not
Same motor realizes synchronous axial system under the control of drive circuit.
The elevating lever of double lead-screw the most according to claim 1 and 2 cascade, it is characterised in that: institute
The power transmission shaft stated is connected firmly with hollow lead screw by fairlead.
The elevating lever of double lead-screw the most according to claim 1 and 2 cascade, it is characterised in that: institute
The cross section of the power transmission shaft stated is rectangle.
The elevating lever of double lead-screw the most according to claim 1 cascade, it is characterised in that: described
The periphery of one end of hollow lead screw is provided with ball bearing, the side of outer race and lifting guide plate
Coupling, described hollow lead screw is integral elevating under the drive of lifting guide plate.
The elevating lever of double lead-screw the most according to claim 6 cascade, it is characterised in that: air silk
The end of thick stick is machined with the interior ring structure of described ball bearing, and matches with ball, outer race,
Ball bearing described in formation.
The elevating lever of double lead-screw the most according to claim 7 cascade, it is characterised in that: outside bearing
The side of ring is provided with blind hole, in the slideway that ball is put into ball bearing.
The elevating lever of double lead-screw the most according to claim 8 cascade, it is characterised in that: described
Blind hole uses block bead device to seal.
The elevating lever of double lead-screw the most according to claim 8 cascade, it is characterised in that: described
Blind hole be upper and lower two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306854.7U CN205503903U (en) | 2016-04-13 | 2016-04-13 | Cascaded lifter of mariages thick stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306854.7U CN205503903U (en) | 2016-04-13 | 2016-04-13 | Cascaded lifter of mariages thick stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503903U true CN205503903U (en) | 2016-08-24 |
Family
ID=56714554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620306854.7U Active CN205503903U (en) | 2016-04-13 | 2016-04-13 | Cascaded lifter of mariages thick stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503903U (en) |
-
2016
- 2016-04-13 CN CN201620306854.7U patent/CN205503903U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cascaded lifter of mariages thick stick Effective date of registration: 20181123 Granted publication date: 20160824 Pledgee: Chang'an Bank Co.,Ltd. Xi'an Economic and Technological Development Zone Branch Pledgor: XI'AN HUA OU PRECISION MACHINERY Co.,Ltd. Registration number: 2018610000194 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201117 Granted publication date: 20160824 Pledgee: Chang'an Bank Co.,Ltd. Xi'an Economic and Technological Development Zone Branch Pledgor: XI'AN HUA OU PRECISION MACHINERY Co.,Ltd. Registration number: 2018610000194 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lifting rod with double lead screws Effective date of registration: 20201118 Granted publication date: 20160824 Pledgee: Chang'an Bank Co.,Ltd. Xi'an Economic and Technological Development Zone Branch Pledgor: XI'AN HUA OU PRECISION MACHINERY Co.,Ltd. Registration number: Y2020610000212 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221124 Granted publication date: 20160824 Pledgee: Chang'an Bank Co.,Ltd. Xi'an Economic and Technological Development Zone Branch Pledgor: XI'AN HUA OU PRECISION MACHINERY Co.,Ltd. Registration number: Y2020610000212 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lifting rod with double lead screws cascaded Effective date of registration: 20230210 Granted publication date: 20160824 Pledgee: China Construction Bank Corporation Shaanxi Branch Pledgor: XI'AN HUA OU PRECISION MACHINERY Co.,Ltd. Registration number: Y2023610000094 |