CN110195771A - One kind realizes the mechanical mechanism of lifting rotation movement and its synthesis self-locking device of composition - Google Patents
One kind realizes the mechanical mechanism of lifting rotation movement and its synthesis self-locking device of composition Download PDFInfo
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- CN110195771A CN110195771A CN201910647708.9A CN201910647708A CN110195771A CN 110195771 A CN110195771 A CN 110195771A CN 201910647708 A CN201910647708 A CN 201910647708A CN 110195771 A CN110195771 A CN 110195771A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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Abstract
The present invention relates to the mechanical mechanisms that a kind of single power machine realizes lifting rotation movement, including pedestal, screw rod, swivel nut and swivel nut guide table；Such mechanical mechanism has the function of to be translatable and rotate two.So that the lead angle of such mechanical mechanism is greater than equivalent friction angle, and increase force connecting rod and force on such mechanical mechanism, a kind of single power machine can be formed and realize lifting rotation movement and comprehensive self-locking mechanical device.
Description
Technical field
The invention belongs to drive apparatus to manufacture and design field, and in particular to one kind is realizing rising-just using single power machine
The one kind constituted to the high mechanical couplings mechanical mechanism of rotation-reverse rotation-decline and based on such mechanical mechanism is single
The realization of one engine rise-rotate in the forward direction-reversely rotate-declines-integrates self-locking high mechanical couplings mechanical device.
Background technique
Found by investigation, presently, there are mechanical equipment, to realize rising-rotating forward-reversion-lowering action, and
Position locking and the holding to force object active force are realized after disconnecting power, are all to use guide rail+self-locking screw rod+turntable+dynamic
Power machine, guide rail+non-self-lock-ing screw rod+turntable+engine+brake, non-screw rod linear transmission mechanism+turntable+engine+brake side
Case.These schemes have these advantages: first, it is such as oriented to using linear guide, ball-screw-transmission, driving motor tape code
Disk, positioning accuracy are very high；Second, due to using guide rail to be oriented to and being carried, high load capacity；Third, due to using independence
Turntable realize rotation function, precision and high load capacity.
Technical problem
Due to the mechanical movement that existing machinery equipment will realize lifting, rotate two dimensions, substantially make in translational motion
With guide rail, turntable is used in rotary motion；Which increase the volume of equipment, complexity and cost, reduce equipment can
By property.
If existing equipment will keep other being brought to ask the active force of force object under non-power state
Topic.
Non-self-lock-ing screw drive is such as used, then is had the disadvantage that: first, need to add brake gear and its control device,
Need additional installation space；Second, brake gear, to the mutual conversion process for releasing braking state, is needed several by braking state
Ten milliseconds or longer time are not able to satisfy higher time response requirement and increase operation power consumption；Third needs periodically to tie up
Shield, to guarantee stability and reliability；4th, brake gear increases the complexity and cost of equipment.
Self-locking screw drive is such as used, lead angle should be less than equivalent friction angle, but screw drive efficiency is lower at this time, this
The requirement to engine power is improved, so as to cause the increase of equipment volume, operation power consumption and cost.
Therefore, Millisecond time response is being required, transmission efficiency is higher, applies active force to force object and engine stops
Application that can be self-locking after stopping power output, it is necessary to a kind of new mechanical device is researched and developed, to meet these requirements.
Summary of the invention
In order to realize different translational motion time response and rotary motion time response under the driving of same engine, grind
" Star Simulator fusion (one+respective threaded rod of pedestal mechanism) ", " track+swivel nut retaining ring (two+respective threaded rod of pedestal mechanism) " are sent out
Both single power machines realize the mechanical mechanism of lifting rotation movement.
The present invention is respectively in " Star Simulator fusion (one+respective threaded rod of pedestal mechanism) ", " track+swivel nut retaining ring (pedestal two
+ respective threaded rod mechanism) " on the basis of increase force connecting rod and force, constitute a kind of single power machine realization ramp-just
Self-locking mechanical device is integrated to rotation-reverse rotation-straight line declines-.
The mechanical mechanism one for realizing lifting rotation movement of the invention, including pedestal one, screw rod, swivel nut and swivel nut guiding
Platform；The mechanical mechanism has the function of to be translatable and rotation two, translation function realize the translation lifting of swivel nut, and rotating function realizes spiral shell
The rotation of set；Wherein, there is one group of guide surface on pedestal one: straight guide face one, straight guide face two, rotation guide face one, rotation guide face two, it is each to lead
The identical or different components being connected with pedestal one are all resulted to face, or all result from pedestal one, or a part produces
It is born in the identical or different components being connected with pedestal one, another part results from pedestal one, straight guide face one and screw axis
Parallel or straight guide face one includes screw axis after extending, and straight guide face two guide face two parallel or straight with screw axis is by extending
Afterwards include screw axis, there is a swivel nut guide table on swivel nut, swivel nut guide table be the independent components being connected with swivel nut or
Result from the swivel nut feature of swivel nut itself；By three kinematic pairs between pedestal one, guide surface, screw rod, swivel nut and swivel nut guide table
Movement relation is constituted, first is the revolute pair being connected between pedestal one and screw rod, and second is to be connected to screw rod and swivel nut
Between screw pair, third is the friction pair being connected between guide surface and swivel nut guide table；Screw rod is installed by revolute pair
On pedestal one, screw rod and swivel nut are installed by threaded engagement, and swivel nut guide table passes through friction pair and guide face contacts.
When applying forward torque on screw rod, screw rod pushes swivel nut to rise along straight guide face one, when rising to straight guide face one
When top, swivel nut guide table is contacted with rotation guide face one, and screw rod leads the rotational component around screw axis that swivel nut generates with rotation
The rotational component around screw axis that face a pair of swivel nut generates is in the same direction, forms the rotary force of swivel nut, screw rod generates swivel nut
The screw rod axial thrust load that screw rod axial thrust load overcomes rotation guide face a pair of swivel nut to generate, forms the axial force of swivel nut, in rotary force and
Under the comprehensive function of axial force, swivel nut along rotation guide face one rotate in the forward direction rise to swivel nut guide table reach rotation two upper end of guide face stop
Only；When applying opposing torque on screw rod, motion principle is identical as the motion principle of forward torque is applied, and screw rod pushes swivel nut
Decline after being detached from rotation guide face two and contacting upper straight guide face two along straight guide face two along the rotation reversion decline of guide face two.
The of the invention mechanical mechanism two for realizing lifting rotation movement, including pedestal two, screw rod, swivel nut retaining ring, swivel nut and
Swivel nut guide table；The mechanical mechanism has the function of to be translatable and rotation two, translation function realize the translation lifting of swivel nut, rotate function
It is able to achieve the rotation of swivel nut；Wherein, there is one group of guide surface on pedestal two: straight guide face one, straight guide face two, rotation guide face two, it is each to lead
The identical or different components being connected with pedestal two are all resulted to face, or all result from pedestal two, or a part produces
It is born in the identical or different components being connected with pedestal two, another part results from pedestal two, straight guide face one and screw axis
Parallel or straight guide face one includes screw axis after extending, and straight guide face two guide face two parallel or straight with screw axis is by extending
Afterwards include screw axis, there is a swivel nut guide table on swivel nut, swivel nut guide table be the independent components being connected with swivel nut or
Result from the swivel nut feature of swivel nut itself；By three kinematic pairs between pedestal two, guide surface, screw rod, swivel nut and swivel nut guide table
Movement relation is constituted, first is the revolute pair being connected between pedestal two and screw rod, and second is to be connected to screw rod and swivel nut
Between screw pair, third is the friction pair being connected between guide surface and swivel nut guide table；Screw rod is installed by revolute pair
On pedestal two, screw rod and swivel nut are installed by threaded engagement, and swivel nut guide table passes through friction pair and guide face contacts, swivel nut gear
Circle is coaxially fixed on screw rod.
When applying forward torque on screw rod, screw rod pushes swivel nut to rise along straight guide face one, when rising to straight guide face one
Constraint relief when top, swivel nut rotate forward and rise simultaneously, since rotation guide face two is according to screw thread liter about the length of screw rod axial direction
Angle, swivel nut and with swivel nut be connected associated components gross mass and the parameters such as comprehensive rotary inertia determine so that rotation guide face two increases
Add rotation speed of swivel nut during reversely rotating decline, so swivel nut is in rotating forward and irrotationality guide face increases its rotation speed
In the case of, swivel nut guide table reach rotation guide face two before, swivel nut must first contact swivel nut retaining ring and became one with screw rod, swivel nut and
Screw rod rotates forward together under the action of engine passes to the torque of screw rod and synthesis rotation function from engine to screw rod
The upper end for reaching rotation guide face two to swivel nut guide table stops；When applying opposing torque on screw rod, screw rod encloses swivel nut generation
Rotational component and the rotational component around screw axis that generates to swivel nut of rotation guide face two around screw axis is in the same direction, formation swivel nut
Rotary force, screw rod overcomes the screw rod axial thrust load that generates to swivel nut of rotation guide face two to be formed the screw rod axial thrust load that swivel nut generates
The axial force of swivel nut, under the comprehensive function of rotary force and axial force, swivel nut reversely rotates decline along rotation guide face two, works as disengaging
After revolving guide face two and contacting upper straight guide face two, decline along straight guide face two.
The present invention discloses realization lifting rotation movement described in the above-mentioned mechanical mechanism one of a kind of application respectively, mechanical mechanism two
Mechanical mechanism realize comprehensive self-locking mechanical device, it is any in above-mentioned mechanical mechanism one, mechanical mechanism two respectively
On the basis of a kind of mechanical mechanism, force connecting rod and force are increased；Wherein, force connecting rod is fixedly mounted on swivel nut,
The independent components or the entirety zero for being integrally machined out with force connecting rod that force is fixedly mounted in the connecting rod of force
A part of component chooses force connecting rod crossbeam length and swivel nut is long in the case where lead angle is greater than equivalent friction angle
Degree applies active force to force object in force, and engine stops applying under torque conditions screw rod, and swivel nut is able to achieve screw shaft
It is self-locking to keep force to the active force of force object to synthesis, under comprehensive self-locking state, when engine is small to screw rod output
When force applies the opposing torque of torque used in active force to force object, swivel nut can release comprehensive self-locking state immediately.
Beneficial effect
Since the lead angle of screw rod, swivel nut is greater than equivalent friction angle, screw rod is improved the transmission efficiency of swivel nut；Due to not
Rotary motion is realized using turntable, keeps force to the active force of force object without using brake gear, to eliminate
Turntable and brake gear these failsafe links, improve equipment dependability, make the equipment being made of it is lighter, volume more
It is small, cost is lower, reduces the functional requirement of driving, control system, simplify driving, control system；Without using brake gear
The time needed for applying band-type brake and releasing band-type brake is also saved, force is made to reach an amicable settlement except the process of screw rod axial lock becomes more
Add rapidly, improves the dynamic response performance in force.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the mechanical mechanism one that the present invention realizes lifting rotation movement；
Fig. 2 is the structural schematic diagram for the mechanical mechanism two that the present invention realizes lifting rotation movement；
Fig. 3 is the structural schematic diagram for the mechanical mechanism two that the present invention realizes lifting rotation movement；
Fig. 4 is that the present invention realizes lifting rotation movement and comprehensive self-locking mechanical device structure schematic diagram；
In figure: the straight guide face one of 1- pedestal one, 2- pedestal two, 3-, the straight guide face two of 4-, 5- transition face, 6- rotation guide face one, 7- revolve guide face
Two, 8- screw rod, 9- swivel nut, 10- swivel nut guide table, 11- swivel nut retaining ring, the force 12- connecting rod, the force 13-.
Specific embodiment
Some terms in some words use herein, appended drawing reference, attached drawing and embodiment are carried out first
Once illustrate.
In the description and claims of this application, "include", "comprise", " by ... constitute " etc. similar word answer
When the meaning for being construed to include rather than exclusive or exhaustive meaning, that is to say, that the meaning for being " including but not limited to ".
"upper" is in axial direction upward orientation, and "lower" is in axial direction downward orientation.
Force connecting rod crossbeam length is defined as force and applies the central point of active force to screw axis to force object
Distance.
In each attached drawing of the application, identical element is indicated using same or similar appended drawing reference.In order to clear
Chu Qijian, the various pieces in attached drawing are not necessarily to scale.
Track groove one: being located on pedestal 1, by straight guide face 1, straight guide face 24, rotation guide face 1 and rotation 27 structure of guide face
At straight guide face 1 intersects transition, straight guide face 24 and rotation guide face 1 with rotation guide face 27 and intersects transition；Track groove two: it is located at base
On seat 22, it is made of straight guide face 1, straight guide face 24, transition face 5 and rotation guide face 27, straight guide face 1 intersects with rotation guide face 27
Transition；The guide face 1 parallel or straight with 8 axis of screw rod of straight guide face 1 in track groove one and track groove two includes after extending
8 axis of screw rod, the guide face 24 parallel or straight with 8 axis of screw rod of straight guide face 24 in track groove one and track groove two is after extending
Include 8 axis of screw rod；There is a swivel nut guide table 10 on swivel nut 9, swivel nut guide table 10 is generated from the following embodiments
9 feature of swivel nut of swivel nut 9 itself, is a cylinder boss on swivel nut 9, and the cylindrical surface of cylinder boss is located at track groove one or rail
In road slot two, by the secondary side contacts with track groove one or track groove two of friction, thus, the cylindrical surface of cylinder boss is referred to as
9 rubbing surface of swivel nut.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and corresponding embodiment are to a kind of single power machine proposed by the present invention with reference to the accompanying drawing
Realize that the mechanical mechanism of lifting rotation movement, a kind of single power machine realize lifting rotation movement and comprehensive self-locking mechanical device
It is described in detail.
Embodiment 1
As shown in Figure 1, being a kind of mechanical mechanism one for realizing lifting rotation movement of the invention, including pedestal 1,8 and of screw rod
Swivel nut 9；The mechanical mechanism has the function of to be translatable and rotate two, wherein the translation lifting of translation function realization swivel nut 9, rotates function
It is able to achieve the rotation of swivel nut 9；Movement relation is made of between pedestal 1, screw rod 8 and swivel nut 9 three kinematic pairs, first is to connect
The revolute pair being connected between pedestal 1 and screw rod 8, second is the screw pair being connected between screw rod 8 and swivel nut 9, third
It is the friction pair being connected between pedestal 1 and swivel nut 9；Screw rod 8 is mounted on pedestal 1 by revolute pair, screw rod 8 and swivel nut
9 are installed by threaded engagement, and 9 rubbing surface of swivel nut passes through the side contacts in the secondary track groove one with pedestal 1 of friction.
When applying forward torque on screw rod 8, screw rod 8 pushes swivel nut 9 to rise along the straight guide face 1 of track groove one, when
When rising to straight one 3 top of guide face, 9 rubbing surface of swivel nut is contacted with rotation guide face 1, and screw rod 8 surrounds screw rod 8 to what swivel nut 9 generated
The rotational component of axis and the rotational component around 8 axis of screw rod that rotation one 6 pairs of swivel nuts 9 of guide face generate are in the same direction, form swivel nut 9
Rotary force, screw rod 8 axially divide the screw rod 8 that 8 axial thrust load of screw rod that swivel nut 9 generates overcomes rotation one 6 pairs of swivel nuts 9 of guide face to generate
Power forms the axial force of swivel nut 9, and under the comprehensive function of rotary force and axial force, swivel nut 9 is rotated in the forward direction along rotation guide face 1
Rise until the upper end that 9 rubbing surface of swivel nut reaches rotation guide face 27 stops.
When applying opposing torque on screw rod 8, motion principle is identical as the motion principle of forward torque is applied, screw rod 8
Swivel nut 9 is pushed, makes 9 rubbing surface of swivel nut along the rotation reversion decline of guide face 27, when 9 rubbing surface of swivel nut is detached from rotation guide face 27 and contacts
After upper straight guide face 24, decline along straight guide face 24.So far, swivel nut 9 complete rise-rotate in the forward direction-reversely rotate-under
The movement of drop, in entire action process, 9 rubbing surface of swivel nut is constrained by track groove one always, it is ensured that the reliability of movement, and
Meet high dynamic response requirement.
Embodiment 2
It as shown in Figure 2 and Figure 3, is a kind of mechanical mechanism two for realizing lifting rotation movement of the invention, including pedestal 22, screw rod
8, swivel nut 9 and swivel nut retaining ring 11；The mechanical mechanism has the function of to be translatable and rotate two, wherein translation function realizes swivel nut 9
Translation lifting, rotating function realize the rotation of swivel nut 9；Movement is constituted by three kinematic pairs between pedestal 22, screw rod 8 and swivel nut 9
Relationship, first is the revolute pair being connected between pedestal 22 and screw rod 8, and second is connected between screw rod 8 and swivel nut 9
Screw pair, third is the friction pair being connected between pedestal 22 and swivel nut 9；Screw rod 8 is mounted on pedestal two by revolute pair
On 2, screw rod 8 and swivel nut 9 are installed by threaded engagement, and 9 rubbing surface of swivel nut passes through in the secondary track groove two with pedestal 22 of friction
One side contacts, swivel nut retaining ring 11 are coaxially fixed on screw rod 8.
When applying forward torque on screw rod 8, screw rod 8 pushes swivel nut 9 to rise along the straight guide face 1 of track groove two, when
Constraint relief when rising to straight one 3 top of guide face, swivel nut 9 rotate forward and rise simultaneously, since rotation guide face 27 is axial about screw rod 8
Length be gross mass and comprehensive rotary inertia etc. according to 8 lead angle of screw rod, swivel nut 9 and the associated components that are connected with swivel nut 9
What parameter determined, so that rotation guide face 27 increases rotation speed of the swivel nut 9 during reversely rotating decline, so swivel nut 9 is just
Turn and in the case that irrotationality guide face increases its rotation speed, before 9 rubbing surface of swivel nut reaches rotation guide face 27, swivel nut 9 must be contacted first
Swivel nut retaining ring 11 simultaneously becames one with screw rod 8, and swivel nut 9 and screw rod 8 in engine pass to the torque of screw rod 8 and from engines
9 rubbing surface of swivel nut is just being gone under the action of to the synthesis rotation function of screw rod 8 together and is reaching the stopping of rotation 27 upper end of guide face.
When applying opposing torque on screw rod 8, rotational component around 8 axis of screw rod and rotation that screw rod 8 generates swivel nut 9
The rotational component around 8 axis of screw rod that 27 pairs of swivel nuts 9 of guide face generate is in the same direction, forms the rotary force of swivel nut 9, screw rod 8 is to swivel nut
8 axial thrust load of screw rod that 98 axial thrust loads of screw rod generated overcome rotation 27 pairs of swivel nuts 9 of guide face to generate forms the axial force of swivel nut 9,
Under the comprehensive function of rotary force and axial force, swivel nut 9 reversely rotates decline along rotation guide face 27, revolves guide face 27 simultaneously when being detached from
In contact after straight guide face 24, decline along straight guide face 24.So far, swivel nut 9, which completes, rises-rotates in the forward direction-reversely rotation
The movement for turning-declining, in entire action process, 9 rubbing surface of swivel nut is constrained by track groove two always, it is ensured that reliable in action
Property；During swivel nut 9 rotates in the forward direction, 9 rubbing surface of swivel nut is not contacted with transition face 5, is taken full advantage of engine and is transmitted to spiral shell
The torque of bar 8 and from engine to screw rod 8 synthesis rotation function, so that swivel nut 9 is more quickly completed spinning movement, meet more
High dynamic response requirement.
Embodiment 3
As shown in figure 4, being to increase force connecting rod 12 and 13 shape of force respectively based on mechanical mechanism one or mechanical mechanism two
At a kind of lifting rotation and comprehensive self-locking mechanical device, below to the mechanical device formed based on mechanical mechanism one into
Row is described in detail.
Force connecting rod 12 is fixedly mounted on swivel nut 9, and force connecting rod 12 and force 13 are fixedly mounted.
Screw rod 8 is driven, the rising of swivel nut 9 is made to rotate and reverse decline；In the case where lead angle is greater than equivalent friction angle,
After choosing 12 crossbeam length of force connecting rod and 9 length of swivel nut the two parameters, in 13 pairs of force force object application active force,
Engine stops after applying torque to screw rod 8, and it is self-locking to keep under non-power state that swivel nut 9 is able to achieve the axial synthesis of screw rod 8
The active force of the 13 pairs of force objects in force；Under comprehensive self-locking state, when engine is less than 13 pairs of force force to the output of screw rod 8
When object applies the opposing torque of torque used in active force, swivel nut 9 can release comprehensive self-locking state immediately；So far, entire mechanical
Device, which completes, rise-rotate in the forward direction-reversely rotate-declines-integrates self-locking mechanical function.
Industrial applicibility
Single power machine of the invention realize the mechanical mechanism of lifting rotation movement, single power machine realize lifting rotation movement and
Comprehensive self-locking mechanical device, have following features: (1) simple and compact for structure, number of parts is few, and easily fabricated and debugging is easy
Realize modularization；(2) mechanisms or a device only need an engine, if engine is motor, even if in motor rotation blockage
Reversely restart afterwards also can reliably release synthesis it is self-locking, driving, control object it is few, to driving, the requirement of control device it is low；
(3) corollary apparatus needed for realizing mechanical function is few, and mechanical efficiency is high, and time response is fast；(4) low speed and high speed are applicable in, can
Using the higher large pitch screw rod of transmission efficiency, load, good rigidity, stability height can be absorbed impact；(5) adapt to high/low temperature,
The indoor and outdoor surroundings such as high electromagnetism, dust are not necessarily to lubricant method；(6) high reliablity, manufacture and operating cost are low.
Claims (3)
1. a kind of mechanical mechanism for realizing lifting rotation movement, including pedestal one, screw rod, swivel nut and swivel nut guide table；The machinery
Mechanism has the function of to be translatable and rotation two, translation function realize the translation lifting of swivel nut, and rotating function realizes the rotation of swivel nut；
It is characterized in that, there is one group of guide surface on pedestal one: straight guide face one, straight guide face two, rotation guide face one, rotation guide face two, each guiding
Face all results from the identical or different components being connected with pedestal one, or all results from pedestal one, or a part generates
Pedestal one is resulted from identical or different components, the another part being connected with pedestal one, straight guide face one and screw axis are flat
Capable or straight guide face one includes screw axis after extending, and straight guide face two guide face two parallel or straight with screw axis is after extending
Comprising screw axis, there is a swivel nut guide table on swivel nut, swivel nut guide table is the independent components being connected with swivel nut or production
It is born in the swivel nut feature of swivel nut itself；By three kinematic pair structures between pedestal one, guide surface, screw rod, swivel nut and swivel nut guide table
At movement relation, first is the revolute pair being connected between pedestal one and screw rod, second be connected to screw rod and swivel nut it
Between screw pair, third is the friction pair being connected between guide surface and swivel nut guide table；Screw rod is mounted on by revolute pair
On pedestal one, screw rod and swivel nut are installed by threaded engagement, and swivel nut guide table passes through friction pair and guide face contacts.
2. a kind of mechanical mechanism for realizing lifting rotation movement, including pedestal two, screw rod, swivel nut retaining ring, swivel nut and swivel nut guiding
Platform；The mechanical mechanism has the function of to be translatable and rotation two, translation function realize the translation lifting of swivel nut, and rotating function realizes spiral shell
The rotation of set；It is characterized in that, there is one group of guide surface on pedestal two: straight guide face one, straight guide face two, rotation guide face two, each guiding
Face all results from the identical or different components being connected with pedestal two, or all results from pedestal two, or a part generates
Pedestal two is resulted from identical or different components, the another part being connected with pedestal two, straight guide face one and screw axis are flat
Capable or straight guide face one includes screw axis after extending, and straight guide face two guide face two parallel or straight with screw axis is after extending
Comprising screw axis, there is a swivel nut guide table on swivel nut, swivel nut guide table is the independent components being connected with swivel nut or production
It is born in the swivel nut feature of swivel nut itself；By three kinematic pair structures between pedestal two, guide surface, screw rod, swivel nut and swivel nut guide table
At movement relation, first is the revolute pair being connected between pedestal two and screw rod, second be connected to screw rod and swivel nut it
Between screw pair, third is the friction pair being connected between guide surface and swivel nut guide table；Screw rod is mounted on by revolute pair
On pedestal two, screw rod and swivel nut are installed by threaded engagement, and swivel nut guide table passes through friction pair and guide face contacts, swivel nut retaining ring
Coaxially it is fixed on screw rod.
3. the mechanical device of the mechanical mechanism of one kind application realization lifting rotation movement claimed in claims 1-2, exists respectively
On any one mechanical mechanism in the claim 1-2 mechanical mechanism, force connecting rod and force are increased；Its feature exists
In force connecting rod is fixedly mounted on swivel nut, and force is fixedly mounted at independent components in the connecting rod of force or same
The a part for the whole components that force connecting rod is integrally machined out, in the case where lead angle is greater than equivalent friction angle,
Force connecting rod crossbeam length and swivel nut length are chosen, active force is applied to force object in force, engine stops to screw rod
Apply under torque conditions, it is axially comprehensive self-locking to keep force to the active force of force object that swivel nut is able to achieve screw rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357912.9A CN109185414A (en) | 2018-11-15 | 2018-11-15 | Realize the mechanical mechanism of lifting rotation movement and its pressure page equipment of composition |
| CN2018113579129 | 2018-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110195771A true CN110195771A (en) | 2019-09-03 |
| CN110195771B CN110195771B (en) | 2023-12-08 |
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ID=64939427
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811357912.9A Pending CN109185414A (en) | 2018-11-15 | 2018-11-15 | Realize the mechanical mechanism of lifting rotation movement and its pressure page equipment of composition |
| CN201910647708.9A Active CN110195771B (en) | 2018-11-15 | 2019-07-18 | Mechanical mechanism for realizing lifting and rotating actions and comprehensive self-locking device formed by mechanical mechanism |
| CN201910647192.8A Withdrawn CN110185764A (en) | 2018-11-15 | 2019-07-18 | The equipment that one kind realizes pressure page and accessible page turning |
| CN201910867930.XA Active CN110486438B (en) | 2018-11-15 | 2019-09-15 | Equipment for realizing page pressing and barrier-free page turning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098301A1 (en) * | 2018-11-15 | 2020-05-22 | 段沧桑 | Mechanical mechanism for implementing lifting and rotating actions and comprehensive self-locking device consisting of same |
| CN114321307A (en) * | 2022-01-17 | 2022-04-12 | 四川大学 | Novel spiral transmission structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098301A1 (en) * | 2018-11-15 | 2020-05-22 | 段沧桑 | Mechanical mechanism for implementing lifting and rotating actions and comprehensive self-locking device consisting of same |
| CN114321307A (en) * | 2022-01-17 | 2022-04-12 | 四川大学 | Novel spiral transmission structure |
| CN114321307B (en) * | 2022-01-17 | 2024-04-26 | 四川大学 | Screw transmission structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110185764A (en) | 2019-08-30 |
| CN109185414A (en) | 2019-01-11 |
| CN110486438A (en) | 2019-11-22 |
| CN110195771B (en) | 2023-12-08 |
| CN110486438B (en) | 2024-02-09 |
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