CN104578562B - Large-stroke multi-section linear actuator mechanism - Google Patents
Large-stroke multi-section linear actuator mechanism Download PDFInfo
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- CN104578562B CN104578562B CN201410827690.8A CN201410827690A CN104578562B CN 104578562 B CN104578562 B CN 104578562B CN 201410827690 A CN201410827690 A CN 201410827690A CN 104578562 B CN104578562 B CN 104578562B
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- main transmission
- servomotor
- screw nut
- profile shaft
- linear guide
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000005096 rolling process Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 66
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 230000033001 locomotion Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 208000032370 Secondary transmission Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a large-travel multi-section linear actuator mechanism. The large-stroke multi-section linear actuator mechanism comprises a main drive assembly, a secondary drive assembly, an outer section assembly, a middle section assembly and an inner section assembly, wherein the main drive assembly is fixedly connected to an outer base and connected with the secondary drive assembly through a main drive screw nut, the main drive screw nut is connected with the middle section assembly through a middle base, and the secondary drive assembly is connected with the inner section assembly through an inner base; the mechanism comprises a forward stroke action and a backward stroke action; during forward stroke, a servo motor drives a main drive screw to rotate, so that the main drive screw nut moves in an axial direction to drive the middle section assembly to extend outwards, the main drive screw nut rotates with the main drive screw after limited by a disc spring and drives a hollow screw to rotate, a hollow screw nut moves in an axial direction to drive the inner section assembly to extend outwards until II type rolling linear guide rail sliders are limited by a middle base assembly, and the overall forward stoke action is completed; and the backward stroke action is opposite to the forward stroke action.
Description
Technical field
The invention belongs to machinery drive technology field and Rolling Components drive technology field, particularly a kind of
Big stroke multi-lengthed electric push-bar mechanism.
Background technology
Transfer bar mechanism is a kind of driving means of the straight reciprocating motion that the motion of certain forms is changed into push rod, can use
Use as execution machinery in various simple or complicated technological processes, with realize distant control, centralized Control or from
Dynamic control.As a kind of more universal auxiliary drive, transfer bar mechanism be widely used in machine driving, lifting platform with
And the field such as weight lifting.The form of transfer bar mechanism is varied: drive form include manually, electrically, pneumatic and hydraulic pressure etc.,
Push rod form also includes cam-type, scissor-type and hydraulic cylinder type etc..Transfer bar mechanism has dependable performance, is active in one's movements, and runs
Steadily, push-pull effort is identical, and the features such as good environmental adaptability, it is widely used in electric power, machinery, mine, oil, chemical industry, rises
The industries such as weight, transport.But it is as the raising of social need, people's also more and more higher of the requirement to transfer bar mechanism.Due to being subject to
Application scenario, the restriction of concrete application conditions, people require transfer bar mechanism have small size, big stroke, and tip displacement and
The features such as movement velocity controllable precise.
Although the electric pushrod mechanism with the features such as small size, big stroke has occurred in the market, can be simultaneous
Tool small size, big stroke, be easily achieved automatically control, terminal position and motor drive mechanism the advantages of speed energy controllable precise also relatively
For lacking, especially can apply to the high rigidities of industry such as movies-making equipment, precision cutting lathe, in high precision, big stroke
Multi-stage motor transfer bar mechanism, is nearly at the stage blank or at the early-stage.
Content of the invention
It is an object of the invention to provide a kind of driver that can realize big stroke multi-joint telescoping under less overall dimensions
Structure.The present invention enables process and two kinds of actions of backhaul, the displacement of energy precise control rod member end and movement velocity.
The technical solution realizing the object of the invention is: a kind of big stroke multi-lengthed electric push-bar mechanism, including servo electricity
Mechanical, electrical machine back-up ring, i profile shaft hold, motor key, i profile shaft hold with back-up ring, i jacket cylinder, main transmission leading screw, disc type back-up ring, iii type
Bearing, iii profile shaft hold and hold inner sleeve, main transmission feed screw nut, keyset, disc spring set with back-up ring, ii jacket cylinder, iii profile shaft
Cylinder, ii profile shaft hold, disc spring, disc spring back-up ring, stop nut, hollow lead screw, hollow lead screw nut, interior pedestal, ii type roll directly
Line guide rail slide block, interior base enclosure, middle base enclosure, ii type rolling linear guide, i type rolling linear guide slide block, middle pedestal, outer base enclosure, i
Type rolling linear guide, anticollison block, outer frame；
The cross section of outer frame is hexagon, and, away from connected three anticollison blocks in one end of servomotor, this three for this outer frame
Individual anticollison block is along the circumferential direction distributed on outer frame, and outer frame is connected i jacket cylinder, and i jacket cylinder is connected Motor with position sensing device, electricity
Be connected on machine back-up ring servomotor；In i jacket cylinder, discontiguous inner surface is coaxially disposed two i profile shafts and holds with outer frame, two i
Profile shaft holds middle setting i profile shaft and holds uses back-up ring, and i profile shaft holds inner side setting main transmission leading screw, and main transmission leading screw arranges main transmission
Feed screw nut, main transmission leading screw arranges motor key near one end of servomotor, and servomotor passes through electricity with main transmission leading screw
Machine is driven with key, holds away from one end setting ii profile shaft of servomotor in main transmission leading screw, holds away from servomotor in ii profile shaft
Side setting disc spring back-up ring, disc spring back-up ring away from servomotor side arrange stop nut, hold in ii profile shaft
Outside setting disc spring sleeve, is coaxially disposed disc spring in the outside of disc spring back-up ring；
The cross section of outer base enclosure is hexagonal structure, and this outer base enclosure is connected in the outside of outer frame, three inside outer base enclosure
The individual surface being not adjacent to mutually is respectively fixedly connected with an i type rolling linear guide, arranges two on each i type rolling linear guide
I type rolling linear guide slide block, all i type rolling linear guide slide blocks are all fixedly connected with middle pedestal, in middle pedestal near servo
The connected ii jacket cylinder in one end of motor, in ii jacket cylinder near the connected disc type back-up ring in one end of servomotor, in ii jacket cylinder
Inner side two iii profile shafts of setting hold, two iii profile shafts hold middle iii profile shaft be installed hold use back-up ring, in iii profile shaft holds
Side setting iii profile shaft holds inner sleeve, holds inner sleeve in iii profile shaft and the iii profile shaft away from servomotor holds middle setting iii type
Bearing back-up ring, iii profile shaft is held inner sleeve and is fixed together with main transmission feed screw nut, and main transmission feed screw nut is solid with keyset
Even, keyset is fixed together with hollow lead screw, installs hollow lead screw nut on hollow lead screw；
The cross section of middle base enclosure is hexagonal structure, and in this, base enclosure is connected in the outside of middle pedestal, three inside middle base enclosure
The individual surface being not adjacent to mutually is respectively fixedly connected with an ii type rolling linear guide, installs two on each ii type rolling linear guide
Individual ii type rolling linear guide slide block, all ii type rolling linear guide slide blocks are all fixedly connected with interior pedestal, interior pedestal with hollow
Feed screw nut is fixedly connected with, and interior base enclosure is connected on interior pedestal.
Compared with prior art, its remarkable advantage is the present invention: 1) present invention utilizes two section elevating mechanisms, it is possible to achieve
Big stroke transmission under less overall dimensions, stroke can reach minimum withdraw size 2 times；2) present invention utilizes multigroup rolling
Line slideway auxiliary, can preferably realize transmitting movement and guide effect, and rigidity is by force it is sufficient to meet lathe, high accuracy transmission control
The demand of the occasions such as system；3) main transmission section of the present invention using the embedded mechanism in two sections of leading screw centers it is ensured that realizing big row
Small size under Cheng Chuandong, and high accuracy, the transmission control of high repetitive positioning accuracy can be realized；4) present invention employs disc spring limit
Position mechanism, can preferably prevent the stall phenomenon of drive disk assembly；5) present invention utilizes the difference of two sections of turn-screw pretightning forces, energy
Preferably realize the order lifting action of two pole parts；6) present invention utilizes motor control, by the difference of two sections of guide screw leads,
The displacement of energy precise control rod member end and movement velocity；7) a kind of big stroke multi-lengthed electric push-bar mechanism of the present invention, passes through
The structure designs such as Motor drive, telescoping rod realize the advantages of big stroke, terminal position controllable precise, greatly expand electric pushrod
Mechanism is in sector applications such as movies-making equipment, lathes.
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Brief description
Fig. 1 is the population structure generalized section of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 2 is the main transmission assembly generalized section of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 3 is the secondary transmission assembly generalized section of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 4 is the acromere assembly schematic cross-section of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 5 is the middle section assembly schematic cross-section of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 6 is the internal segment assembly schematic cross-section of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 7 is the backhaul action transmission principle figure of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 8 is the process action transmission principle figure of the present invention big stroke multi-lengthed electric push-bar mechanism.
Fig. 9 is the assembly theory of constitution figure of the present invention big stroke multi-lengthed electric push-bar mechanism.
Specific embodiment
In conjunction with Fig. 9, the present invention is a kind of big stroke multi-lengthed electric push-bar mechanism, including main transmission assembly v, secondary transmission group
Part vi, acromere assembly vii, middle section assembly viii and five assemblies of internal segment assembly ix.
In conjunction with Fig. 1～Fig. 8, the big stroke multi-lengthed electric push-bar mechanism of the present invention, including servomotor 1, Motor with position sensing device 2, i
Profile shaft holds 3, motor key 4, i profile shaft hold hold 9 with back-up ring 5, i jacket cylinder 6, main transmission leading screw 7, disc type back-up ring 8, iii profile shaft,
Iii profile shaft holds and holds inner sleeve 12, main transmission feed screw nut 13, keyset 14, disc spring with back-up ring 10, ii jacket cylinder 11, iii profile shaft
With sleeve 15, ii profile shaft hold 16, disc spring 17, disc spring back-up ring 18, stop nut 19, hollow lead screw 20, hollow lead screw nut 21,
Interior pedestal 22, ii type rolling linear guide slide block 23, interior base enclosure 24, middle base enclosure 25, ii type rolling linear guide 26, i type roll
Straight-line guide rail slide block 27, middle pedestal 28, outer base enclosure 29, i type rolling linear guide 30, anticollison block 31, outer frame 32；
The cross section of outer frame 32 is hexagon, and this outer frame 32 is away from connected three anticollison blocks in one end of servomotor 1
31, this three anticollison blocks are along the circumferential direction distributed on outer frame 32, and outer frame 32 is connected i jacket cylinder 6, solid on i jacket cylinder 6
Even Motor with position sensing device 2, Motor with position sensing device 2 is connected servomotor 1；In i jacket cylinder 6, discontiguous inner surface coaxially sets with outer frame 32
Put two i profile shafts and hold 3, two i profile shafts hold 3 middle setting i profile shafts and hold with back-up ring 5, and i profile shaft holds 3 inner side setting main transmission leading screws
7, main transmission leading screw 7 arranges main transmission feed screw nut 13, main transmission leading screw 7 is used near one end of servomotor 1 setting motor
Key 4, servomotor 1 is driven by motor key 4 with main transmission leading screw 7, main transmission leading screw 7 away from servomotor 1 one end
Setting ii profile shaft hold 16, ii profile shaft hold 16 away from servomotor 1 side arrange disc spring back-up ring 18, in disc spring back-up ring 18
Side away from servomotor 1 arranges stop nut 19, holds 16 outside setting disc spring sleeve 15 in ii profile shaft, uses in disc spring
The outside of back-up ring 18 is coaxially disposed disc spring 17；
The cross section of outer base enclosure 29 is hexagonal structure, and this outer base enclosure 29 is connected in the outside of outer frame 32, in outer base enclosure
29 three surfaces being not adjacent to mutually in inner sides are respectively fixedly connected with an i type rolling linear guide 30, in each i type rolling linear guide
Two i type rolling linear guide slide blocks 27 are set on 30, and all i type rolling linear guide slide blocks 27 are all mutually solid with middle pedestal 28
Even, it is connected ii jacket cylinder 11 near one end of servomotor 1 in middle pedestal 28, in ii jacket cylinder 11 near the one of servomotor 1
The connected disc type back-up ring 8 in end, arranges two iii profile shafts in the inner side of ii jacket cylinder 11 and holds 9, holds in two iii profile shafts and installs in the middle of 9
Iii profile shaft holds with back-up ring 10, and the inner side setting iii profile shaft holding 9 in iii profile shaft holds inner sleeve 12, holds inner sleeve 12 in iii profile shaft
Hold 9 middle setting iii profile shafts with the iii profile shaft away from servomotor 1 and hold with back-up ring 10, iii profile shaft holds inner sleeve 12 and main biography
Dynamic feed screw nut 13 is fixed together, and main transmission feed screw nut 13 is connected with keyset 14, and keyset 14 is solid with hollow lead screw 20
Connect together, hollow lead screw nut 21 is installed on hollow lead screw 20；
The cross section of middle base enclosure 25 is hexagonal structure, and in this, base enclosure 25 is connected in the outside of middle pedestal 28, in middle base enclosure
25 three surfaces being not adjacent to mutually in inner sides are respectively fixedly connected with an ii type rolling linear guide 26, lead in each ii type rolling linear
On rail 26 install two ii type rolling linear guide slide blocks 23, all ii type rolling linear guide slide blocks 23 all with interior pedestal 22 phase
It is connected, interior pedestal 22 and hollow lead screw nut 21 are fixedly connected with, and interior base enclosure 24 is connected on interior pedestal 22.
On described main transmission leading screw 7, the pretightning force of main transmission feed screw nut 13 is more than hollow feed screw nut on hollow lead screw 20
21 pretightning force.
Described outer frame 32, outer base enclosure 29, middle pedestal 28, middle base enclosure 25, interior pedestal 22, the material of interior base enclosure 24 are
Aluminum.
The helical pitch of described main transmission leading screw 7 is more than the helical pitch of hollow lead screw 20.
The big stroke multi-lengthed electric push-bar mechanism of the present invention enables process and two kinds of actions of backhaul, and concrete course of action is such as
Under:
1st, process action process
As shown in fig. 7, first checking for all moving components to be in original state, start servomotor 1, servomotor 1
Main transmission leading screw 7 is made to rotate by motor key 4, main transmission leading screw 7 rotates makes main transmission feed screw nut 13 to away from servo electricity
The direction motion of machine 1, main transmission feed screw nut 13 band disorder of internal organs pedestal 28 is along i type rolling linear guide 30 to away from servomotor 1
Direction motion；After the disc spring 17 that main transmission feed screw nut 13 is subject to main transmission leading screw 7 end is spacing, main transmission feed screw nut
13 stopping axially-movables, main transmission feed screw nut 13 follows main transmission leading screw 7 synchronous axial system, and main transmission feed screw nut 13 passes through to turn
Fishplate bar 14 drives hollow lead screw 20 to rotate, and hollow lead screw 20 rotates and makes hollow lead screw nut 21 to the direction away from servomotor 1
Motion, hollow lead screw nut 21 drives interior pedestal 22 to move along ii type rolling linear guide 26 to the direction away from servomotor 1,
Until ii type rolling linear guide slide block 23 is subject to the spacing stop motion of middle base enclosure 25, complete whole process action.
2nd, process was moved in backhaul
As shown in figure 8, first servomotor 1 is placed in inverted status (to be in the motion contrary with process action process
State), servomotor 1 makes main transmission leading screw 7 invert by motor key 4, and main transmission leading screw 7 reversion makes main transmission feed screw nut
13 move to the direction near servomotor 1, so that main transmission feed screw nut 13 band disorder of internal organs pedestal 28 is led along i type rolling linear
Rail 30 moves near the direction of servomotor 1；Central pedestal 28 be subject to outer frame 32 on anticollison block 31 spacing after, main biography
Dynamic feed screw nut 13 stops axially-movable, and main transmission feed screw nut 13 follows the synchronous reversion of main transmission leading screw 7, main transmission leading screw spiral shell
Female 13 drive hollow lead screw 20 to invert by keyset 14, and hollow lead screw 20 reversion makes hollow lead screw nut 21 near servo electricity
The direction motion of machine 1, hollow lead screw nut 21 drives interior pedestal 22 along ii type rolling linear guide 26 near servomotor 1
Move in direction, until hollow lead screw nut 21 is subject to the spacing rear of the keyset 14 being connected with main transmission feed screw nut 13 to stop transporting
Dynamic, complete whole backhaul action.
From the foregoing, it will be observed that the present invention utilizes two section elevating mechanisms, it is possible to achieve the big stroke transmission under less overall dimensions,
Stroke can reach minimum withdraw size 2 times.The present invention utilizes multigroup linear rolling guide, can preferably realize transmission fortune
Move and guide effect, and rigidity is by force it is sufficient to meet the demand of the occasions such as lathe, high accuracy transmission control.Main transmission portion of the present invention
Point using the embedded mechanism in two sections of leading screw centers it is ensured that realizing the small size under big stroke transmission, and can realize high-precision
Degree, the transmission of high repetitive positioning accuracy control.Present invention employs disc spring position-limit mechanism, can preferably prevent the stall of drive disk assembly
Phenomenon.The present invention utilizes the difference of two sections of turn-screw pretightning forces, can preferably realize the order lifting action of two pole parts.This
Invention utilizes motor control, by the difference of two sections of guide screw leads, the displacement of energy precise control rod member end and movement velocity.This
Invention is by the use of motor as power source, it is easy to accomplish at a distance and automatically control.
Claims (4)
1. a kind of big stroke multi-lengthed electric push-bar mechanism it is characterised in that: include servomotor [1], Motor with position sensing device [2], i profile shaft
Hold [3], motor key [4], i profile shaft holds with back-up ring [5], i jacket cylinder [6], main transmission leading screw [7], disc type back-up ring [8], iii type
Bearing [9], iii profile shaft hold and hold inner sleeve [12], main transmission feed screw nut with back-up ring [10], ii jacket cylinder [11], iii profile shaft
[13], keyset [14], disc spring sleeve [15], ii profile shaft hold [16], disc spring [17], disc spring back-up ring [18], stop nut
[19], hollow lead screw [20], hollow lead screw nut [21], interior pedestal [22], ii type rolling linear guide slide block [23], interior base enclosure
[24], middle base enclosure [25], ii type rolling linear guide [26], i type rolling linear guide slide block [27], middle pedestal [28], outer base
Shell [29], i type rolling linear guide [30], anticollison block [31], outer frame [32]；
The cross section of outer frame [32] is hexagon, and this outer frame [32] is away from connected three anticollisions in one end of servomotor [1]
Block [31], this three anticollison blocks are along the circumferential direction distributed on outer frame [32], upper i jacket cylinder [6], i of being connected of outer frame [32]
The upper Motor with position sensing device [2] that is connected of jacket cylinder [6], the upper servomotor [1] that is connected of Motor with position sensing device [2]；In i jacket cylinder [6] and outer frame
[32] discontiguous inner surface is coaxially disposed two i profile shafts and holds [3], and two i profile shafts hold [3] middle setting i profile shaft and hold uses back-up ring
[5], i profile shaft holds setting main transmission leading screw [7] inside [3], and main transmission leading screw [7] is upper to arrange main transmission feed screw nut [13], main
Turn-screw [7] arranges motor with key [4] near one end of servomotor [1], and servomotor [1] is led to main transmission leading screw [7]
Cross motor key [4] transmission, hold [16] in main transmission leading screw [7] away from one end setting ii profile shaft of servomotor [1], in ii type
Bearing [16] arranges disc spring with back-up ring [18] away from the side of servomotor [1], in disc spring with back-up ring [18] away from servomotor
[1] side setting stop nut [19], holds outside setting disc spring sleeve [15] of [16], in disc spring back-up ring in ii profile shaft
[18] outside is coaxially disposed disc spring [17]；
The cross section of outer base enclosure [29] is hexagonal structure, and this outer base enclosure [29] is connected in the outside of outer frame [32], in outer base
Inside shell [29], three surfaces being not adjacent to mutually are respectively fixedly connected with i type rolling linear guide [30], roll straight in each i type
Line guide rail [30] is upper to arrange two i type rolling linear guide slide block [27], all i type rolling linear guide slide block [27] all with
Pedestal [28] is fixedly connected with, in middle pedestal [28] near connected ii jacket cylinder [11] in one end of servomotor [1], in ii jacket cylinder
[11] near the connected disc type back-up ring [8] in one end of servomotor [1], two iii profile shafts are set in the inner side of ii jacket cylinder [11]
Hold [9], hold installation iii profile shaft in the middle of [9] in two iii profile shafts and hold with back-up ring [10], hold the inner side setting of [9] in iii profile shaft
Iii profile shaft holds inner sleeve [12], and iii profile shaft is held inner sleeve [12] and is fixed together with main transmission feed screw nut [13], main transmission
Feed screw nut [13] is connected with keyset [14], and keyset [14] is fixed together with hollow lead screw [20], in hollow lead screw
[20] upper installation hollow lead screw nut [21]；
The cross section of middle base enclosure [25] is hexagonal structure, and in this, base enclosure [25] is connected in the outside of middle pedestal [28], in middle base
Inside shell [25], three surfaces being not adjacent to mutually are respectively fixedly connected with ii type rolling linear guide [26], roll in each ii type
Line slideway [26] is upper to install two ii type rolling linear guide slide block [23], and all ii type rolling linear guide slide block [23] are all
It is fixedly connected with interior pedestal [22], interior pedestal [22] and hollow lead screw nut [21] are fixedly connected with, interior base enclosure [24] is connected in interior pedestal
[22] on.
2. big stroke multi-lengthed electric push-bar mechanism according to claim 1 it is characterised in that: main transmission leading screw [7] is upper to be led
The pretightning force of turn-screw nut [13] is more than the pretightning force of the upper hollow feed screw nut [21] of hollow lead screw [20].
3. big stroke multi-lengthed electric push-bar mechanism according to claim 1 it is characterised in that: outer frame [32], outer base enclosure
[29], middle pedestal [28], middle base enclosure [25], interior pedestal [22], the material of interior base enclosure [24] are aluminum.
4. big stroke multi-lengthed electric push-bar mechanism according to claim 1 it is characterised in that: the leading of main transmission leading screw [7]
Journey is more than the helical pitch of hollow lead screw [20].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410827690.8A CN104578562B (en) | 2014-12-26 | 2014-12-26 | Large-stroke multi-section linear actuator mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827690.8A CN104578562B (en) | 2014-12-26 | 2014-12-26 | Large-stroke multi-section linear actuator mechanism |
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| CN104578562A CN104578562A (en) | 2015-04-29 |
| CN104578562B true CN104578562B (en) | 2017-02-01 |
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| CN201410827690.8A Active CN104578562B (en) | 2014-12-26 | 2014-12-26 | Large-stroke multi-section linear actuator mechanism |
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| CN107327552B (en) * | 2017-08-02 | 2024-04-05 | 南京理工大学 | Large-stroke vertical screw feed system |
| CN107555108A (en) * | 2017-09-30 | 2018-01-09 | 深圳市奇旺科技有限公司 | The supply machine of the conveying device of box-packed material and box-packed material |
| CN107834761B (en) * | 2017-11-16 | 2020-07-14 | 北京航天自动控制研究所 | High-power-density long-stroke electromechanical servo mechanism |
| CN109526447B (en) * | 2019-01-18 | 2023-10-24 | 吉林大学 | Unmanned emasculation machine |
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| CN113464618B (en) * | 2021-07-01 | 2022-11-18 | 扬州市职业大学(扬州市广播电视大学) | High-precision lead screw adjusting structure |
| CN114347213B (en) * | 2022-01-17 | 2023-12-26 | 山东黄河顺成水利水电工程有限公司 | Adjustable vibrating rod with stable extraction function |
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| CN102287429A (en) * | 2010-06-21 | 2011-12-21 | 朱建彬 | Bi-layer telescopic flexible guide rail system |
| CN102494095A (en) * | 2011-11-18 | 2012-06-13 | 北京工业大学 | Waterproof multistage retractable rod |
| CN102619945A (en) * | 2012-04-17 | 2012-08-01 | 中国航天科技集团公司第五研究院第五一八研究所 | Multi-stage hollow screw synchronous drive telescopic manipulator |
| CN202560728U (en) * | 2012-05-14 | 2012-11-28 | 云南三星机械设备制造股份有限公司 | Multi-section screw rod lifting arm |
| DE202013102455U1 (en) * | 2013-06-07 | 2013-06-19 | Timotion Technology Co., Ltd. | Twin-screw linear actuator |
| CN103501076A (en) * | 2013-09-06 | 2014-01-08 | 东莞威信运动用品有限公司 | Multi-section electric push rod |
| CN204004251U (en) * | 2014-07-23 | 2014-12-10 | 沈阳众拓机器人设备有限公司 | Modularization linear drive unit |
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| CN104578562A (en) | 2015-04-29 |
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