CN105245053B - It is a kind of from spacing electric pushrod - Google Patents
It is a kind of from spacing electric pushrod Download PDFInfo
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- CN105245053B CN105245053B CN201510806999.3A CN201510806999A CN105245053B CN 105245053 B CN105245053 B CN 105245053B CN 201510806999 A CN201510806999 A CN 201510806999A CN 105245053 B CN105245053 B CN 105245053B
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- inner cylinder
- outer cylinder
- electric pushrod
- movable inner
- screw
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Abstract
The invention discloses a kind of from spacing electric pushrod, belong to electric pushrod technical field.Need to set travel switch to solve electric pushrod or Electrohydraulic push rod in the prior art, system sets up control circuit, structure is complex, fault rate is high, the problems such as can not being used under complex working condition, electric pushrod includes motor, adapter sleeve, fixed outer cylinder sheath, movable inner cylinder body, connector, also include box coupling and lead screw assembly, adapter sleeve one end is fixedly connected with motor, the other end is connected with fixed outer cylinder sheath, box coupling one end connects motor output end, the other end connects lead screw assembly, screw is provided with movable inner cylinder body, screw is connected with lead screw assembly, box coupling is located inside adapter sleeve, movable inner cylinder body passes inside fixed outer cylinder sheath and can be relatively fixed outer cylinder sheath and moves back and forth, movable inner cylinder body external part is connected with connector.Gate, mobile object, control direction are manipulated suitable for being used as electric pushrod to realize under various operating modes especially adverse circumstances.
Description
Technical field
Present invention relates particularly to a kind of from spacing electric pushrod, belong to electric pushrod technical field.
Background technology
At present, a kind of electric pushrod or Electrohydraulic push rod are often used in smelter, they have small volume, action spirit
The features such as work, stable working, it is commonly used in remote, dangerous and high-altitude place and is controlled operation, it is possible to achieve manipulates lock
Door, the multifunctional usage such as mobile object, control direction, thus be widely used, but problems with actual use be present,
1st, DG types, DGT types, DTT types electric pushrod《Mechanical handbook》The 22nd 216-224 of fourth edition (volume five) },
Its construct in by motor, reductor, screw rod and cylinder barrel and connector with nut, it is complicated, volume is big, weight weight, maintenance
Inconvenience, cost are high.
2nd, Electrohydraulic push rod《Mechanical handbook》The 22nd 225-238 of fourth edition (volume five) }, it constructs complexity, by electricity
Machine, oil pump, fuel tank, integrated control valve in fuel tank, cylinder tube and piston rod and connector are built in, manufacture difficulty is big, manufacturing expenses
It is big with height, maintenance difficulty, it is impossible to place and be used in the operating modes such as water leaching, transition humidity, high temperature, low temperature, the fuel tank of electro-hydraulic cylinder is very
It is small, once there is external leakage, because working media deficiency causes hydraulic pump emptying phenomenon, damage and the hydraulic pressure of pump can be caused quickly
The cavitation erosion of cylinder, easily occurs vibrating during exercise and creeping phenomenon.
3rd, above two push rod has to install two travel switches on rated travel, a kind of electronic cutting of travel switch
Pass is easily influenceed by environment temperature and surrounding objects, causes stroke misjudgment, system sets up control circuit, complex.
For electric pushrod if without using travel switch, it is the equipment fault damaged that motor burning or other machineries, which easily occurs, safeguards inspection
Repair inconvenience；If Electrohydraulic push rod can make its interior overflow valve frequent starting, oil temperature rise, cause to seal without using travel switch
Damage, easily leakage.Or easily cause failure after oil pollution, it is big to repair difficulty.
The content of the invention
Therefore, the present invention is needed to set travel switch to solve electric pushrod or Electrohydraulic push rod in the prior art, and stroke is opened
Close a kind of electronic switch is easily influenceed by environment temperature and surrounding objects, causes stroke misjudgment, system sets up control
Circuit, structure is complex, and fault rate is high, the problems such as can not being used under complex working condition, there is provided and it is a kind of from spacing electric pushrod,
It is described also to include sleeve shaft coupling from spacing electric pushrod including motor, adapter sleeve, fixed outer cylinder sheath, movable inner cylinder body, connector
Device and lead screw assembly, described adapter sleeve one end are fixedly connected with motor, and the other end is connected with fixed outer cylinder sheath, the sleeve shaft coupling
Device one end connects motor output end, and other end connection lead screw assembly, the movable inner cylinder body is interior to be provided with screw, the screw and silk
Thick stick component connects, and the box coupling is located inside adapter sleeve, and the movable inner cylinder body passes simultaneously inside fixed outer cylinder sheath
Outer cylinder sheath can be relatively fixed to move back and forth, movable inner cylinder body external part is connected with connector.
Further, the fixed outer cylinder sheath includes outer cylinder and the outer shell drum flange being welded to connect with outer cylinder, described
Outer shell drum flange is connected with adapter sleeve.The outer cylinder inwall is provided with outer cylinder feather key.
Further, the movable inner cylinder body includes inner cylinder tube, screw, chamber body and chamber body transparent cover, the inner cylinder tube
It is connected with chamber body, the screw is located at chamber set in vivo, the chamber body and chamber body transparent cover bolt connection.The chamber body with
Two back-moving springs are provided between screw, the chamber body inwall is provided with chamber body feather key.
Further, the lead screw assembly includes leading screw, bearing cavity, bearing, round nut stop washer, round nut, axle
Hold transparent cover, the spindle nose access box coupling of the leading screw.
Further, the movable inner cylinder body external part is bolted with connector, movable inner cylinder body external part with
Locking nut is provided between connector.
The beneficial effects of the present invention are：The present invention from spacing electric pushrod, the kind of drive for passing through screw-nut is real
Existing power and the transmission of motion, realize the control of stroke, by built in screw block by designing the leading screw of different length
Two back-moving springs open conjunction realize the screw thread auxiliary driving of both forward and reverse directions, and stroke is fixed, not by surrounding objects and environment temperature
Influence.Simple in construction, manufacturing cost is low, easy to maintenance, and use range and adaptability are more extensive, in operating mode rugged environment
Lower advantage is more prominent.
Brief description of the drawings
Fig. 1 is a kind of structural representation from spacing electric pushrod of the invention；
Fig. 2 is the structural representation of adapter sleeve part in Fig. 1；
Fig. 3 is the structural representation that outer cylinder sheath part is fixed in Fig. 1；
Fig. 4 is the structural representation of movable inner casing body portion in Fig. 1；
Fig. 5 is the structural representation of lead screw assembly part in Fig. 1.
Reference is as follows：
1st, motor；
2nd, adapter sleeve；
3rd, fixed outer cylinder sheath；
4th, movable inner cylinder body；
5th, connector；
6th, box coupling；
7th, lead screw assembly；
8th, screw；
9th, outer cylinder；
10th, outer shell drum flange；
11st, outer cylinder feather key；
12nd, inner cylinder tube；
13rd, chamber body；
14th, back-moving spring；
15th, chamber body feather key；
16th, leading screw；
17th, bearing cavity；
18th, round nut stop washer；
19th, round nut；
20th, locking nut；
21st, chamber body transparent cover；
22nd, bearing；
23rd, bearing air cover.
Embodiment
The embodiment of the present invention is illustrated below in conjunction with the accompanying drawings：
It is as shown in figure 1, a kind of from spacing electric pushrod, including motor 1, adapter sleeve 2, fixed outer cylinder sheath 3, movable inner cylinder body
4th, connector 5, box coupling 6 and lead screw assembly 7 are also included from spacing electric pushrod, the one end of adapter sleeve 2 is fixed with motor 1 to be connected
Connect, the other end of adapter sleeve 2 is connected with fixed outer cylinder sheath 3, the one end of box coupling 6 connection output end of motor 1, other end connecting filament
Thick stick component 7, movable inner cylinder body 4 is interior to be provided with screw 8, and screw 8 is connected with lead screw assembly 7, and box coupling 6 is located in adapter sleeve 2
Portion, movable inner cylinder body 4 pass inside fixed outer cylinder sheath 3 and can be relatively fixed outer cylinder sheath 3 and move back and forth, and movable inner cylinder body 4 is stretched
Go out end to be connected with connector 5, connector 5 connects the external components such as gate, mobile object.
The structure of adapter sleeve 2 is as shown in Figure 2.
Using motor 1 as power source, it is driven using simple lead screw assembly 7 and screw 8 to realize that power transmits with motion,
Stroke is controlled by the threads of lead screw length in lead screw assembly 7, Stroke Control, the band of motor 1 are realized without peripheral hardware limit switch
Dynamic lead screw assembly 7 rotates, and the drive activity inner cylinder body 4 of screw 8 moves reciprocatingly, and connector 5 is with movable valve, mobile object
Moved Deng external component.
As shown in figure 3, as preferred embodiment, fixed outer cylinder sheath 3 includes outer cylinder 9 and welded with outer cylinder 9 to connect
The outer shell drum flange 10 connect, outer shell drum flange 10 are connected with adapter sleeve 2.The inwall of outer cylinder 9 is provided with outer cylinder feather key 11.
As shown in figure 4, as preferred embodiment, movable inner cylinder body 4 includes inner cylinder tube 12, screw 8, chamber body transparent cover
21 and chamber body 13, inner cylinder tube 12 be connected with chamber body 13, screw 8 is located in chamber body 13.Set between chamber body 13 and screw 8
Two back-moving springs 14 are equipped with, the inwall of chamber body 13 is provided with chamber body feather key 15.Back-moving spring 14 completes one unidirectionally
Lead screw assembly 7 and screw 8 can be made reliable and closely spin together during stroke, when doing return movement initial, to reach mesh
Mark operation requires.
As shown in figure 5, as preferred embodiment, lead screw assembly 7 includes leading screw 16, bearing cavity 17, bearing 22, circle
Nut stop washer 18, round nut 19, bearing air cover 23, the spindle nose access box coupling 6 of leading screw 16.
As preferred embodiment, the movable external part of inner cylinder body 4 is bolted with connector 5, movable inner cylinder body 4
Locking nut 20 is provided between external part and connector 5.
This is as follows from the assembly program of spacing electric pushrod：The movable part of inner cylinder body 4 is oriented to by the first step along outer cylinder
Key 11 loads in fixed outer cylinder sheath 3；Second step by the screw 8 of the screw-in activity inner cylinder body 4 of leading screw 16 of lead screw assembly 7, until
In its flange insertion outer shell drum flange 10, fixed and be integrally formed with bolt, form an execution unit；3rd step by motor 1 with
Adapter sleeve 2 is bolted together；Box coupling 6 is installed on the axle of the output end of motor 1 by the 4th step；5th step is held
Another hole of the spindle nose alignment sleeve shaft coupling 6 of row part upper leading screw 16；6th step by the outer shell drum flange 10 of execution unit with
Adapter sleeve 2 is bolt-connected to together.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
- It is 1. a kind of from spacing electric pushrod, including motor, adapter sleeve, fixed outer cylinder sheath, movable inner cylinder body, connector, its feature It is, described also to include box coupling and lead screw assembly from spacing electric pushrod, described adapter sleeve one end is fixed with motor to be connected Connect, the other end is connected with fixed outer cylinder sheath, and described box coupling one end connects motor output end, other end connection leading screw group Part, the movable inner cylinder body is interior to be provided with screw, and the screw is connected with lead screw assembly, and the box coupling is located in adapter sleeve Portion, the movable inner cylinder body pass inside fixed outer cylinder sheath and can be relatively fixed outer cylinder sheath and move back and forth, and movable inner cylinder body is stretched Go out end to be connected with connector；The movable inner cylinder body includes inner cylinder tube, screw, chamber body and chamber body transparent cover, the inner cylinder tube It is connected with chamber body, the screw is located at chamber set in vivo, the chamber body and chamber body transparent cover bolt connection；Two back-moving springs are provided between the chamber body and screw, the chamber body inwall is provided with chamber body feather key；The lead screw assembly includes leading screw, bearing cavity, bearing, round nut stop washer, round nut, bearing air cover, the silk The spindle nose access box coupling of thick stick；Leading screw is used to set control stroke by the length of threads of lead screw；Back-moving spring is used for when completing a single direction stroke, Spin together lead screw assembly and screw when doing back and forth movement initial.
- 2. as claimed in claim 1 from spacing electric pushrod, it is characterised in that the fixed outer cylinder sheath include outer cylinder and with The outer shell drum flange that outer cylinder is welded to connect, the outer shell drum flange are connected with adapter sleeve.
- 3. as claimed in claim 2 from spacing electric pushrod, it is characterised in that the outer cylinder inwall is led provided with outer cylinder Xiang Jian.
- 4. as claimed in claim 1 from spacing electric pushrod, it is characterised in that the movable inner cylinder body external part and connector It is bolted, locking nut is provided between movable inner cylinder body external part and connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510806999.3A CN105245053B (en) | 2015-11-18 | 2015-11-18 | It is a kind of from spacing electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510806999.3A CN105245053B (en) | 2015-11-18 | 2015-11-18 | It is a kind of from spacing electric pushrod |
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| Publication Number | Publication Date |
|---|---|
| CN105245053A CN105245053A (en) | 2016-01-13 |
| CN105245053B true CN105245053B (en) | 2017-12-01 |
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| CN201510806999.3A Active CN105245053B (en) | 2015-11-18 | 2015-11-18 | It is a kind of from spacing electric pushrod |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605172A (en) * | 2016-02-29 | 2016-05-25 | 天津科为客科技有限公司 | Linear transmission device and detaching method thereof |
| CN106253568B (en) * | 2016-08-25 | 2018-05-22 | 浙江联宜电机有限公司 | Electric pushrod |
| CN106970146B (en) * | 2017-03-28 | 2020-02-21 | 哈尔滨工业大学 | Positioning and connecting mechanism of steam generator heat-transfer pipe detection equipment |
| CN107654602A (en) * | 2017-09-21 | 2018-02-02 | 西京学院 | It is a kind of to determine stroke lead screw transmission mechanism with self-locating function |
| CN108675835B (en) * | 2018-06-28 | 2021-11-16 | 杭州稻道农业科技有限公司 | Fertile manufacturing installation of straw carbon |
| CN109024500A (en) * | 2018-10-22 | 2018-12-18 | 郑州大学 | Automatic valve locking device |
| CN109667903A (en) * | 2019-02-28 | 2019-04-23 | 长安大学 | A kind of cylinder guide colume type translation mechanism |
| CN112152147A (en) * | 2020-09-23 | 2020-12-29 | 广西电网有限责任公司贵港供电局 | Grounding wire dismounting auxiliary device and grounding wire dismounting system |
| CN113098190B (en) * | 2021-04-13 | 2022-08-16 | 西安索睿科技有限公司 | Single-wire rod driven multi-stage lifting electric cylinder and transmission method |
| CN113171641A (en) * | 2021-04-19 | 2021-07-27 | 河南锐实达分离设备科技股份有限公司 | Electric lifting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201025293Y (en) * | 2006-03-29 | 2008-02-20 | 徐众 | Mechanical self-limit braker |
| EP1911894B1 (en) * | 2006-10-13 | 2015-03-18 | Hawle Armaturen GmbH | Fitted set with removable, inserted upper part |
| CN201666341U (en) * | 2010-02-03 | 2010-12-08 | 上海减速机械厂有限公司 | Travel limiting structure for blocking rotor of electric pushrod machine |
| CN104113160A (en) * | 2014-07-29 | 2014-10-22 | 北京机械设备研究所 | Electric cylinder for road intercepting system |
| CN205105035U (en) * | 2015-11-18 | 2016-03-23 | 内蒙古包钢钢联股份有限公司 | From spacing electric putter |
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| CN105245053A (en) | 2016-01-13 |
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Effective date of registration: 20210817 Address after: 016000 kabuqi office, Haibowan District, Wuhai City, Inner Mongolia Autonomous Region Patentee after: Wuhai Baogang Mining Co.,Ltd. Address before: 014000 Hexi Industrial Zone, Kunqu District, Baotou City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Baotou Steel Union Co.,Ltd. |
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