CN105245053A - Self-limiting electric push rod - Google Patents
Self-limiting electric push rod Download PDFInfo
- Publication number
- CN105245053A CN105245053A CN201510806999.3A CN201510806999A CN105245053A CN 105245053 A CN105245053 A CN 105245053A CN 201510806999 A CN201510806999 A CN 201510806999A CN 105245053 A CN105245053 A CN 105245053A
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- outer cylinder
- inner cylinder
- electric pushrod
- chamber body
- sleeve
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Abstract
The invention discloses a self-limiting electric push rod, which belongs to the technical field of electric push rods, so as to solve problems that the structure is complicated, the fault rate is high, and the push rod can not be used in a complicated working condition and the like as the electric push rod or an electro-hydraulic push rod in the prior art needs to be provided with a stroke switch and a control circuit is additionally arranged in the system. The electric push rod comprises a motor, a connection sleeve, a fixed outer cylinder sleeve, a mobile inner cylinder body, a connection head, a sleeve coupler and a screw rod assembly, wherein one end of the connection sleeve is fixedly connected with the motor, and the other end is connected with the fixed outer cylinder sleeve; one end of the sleeve coupler is connected with the motor output end and the other end is connected with the screw rod assembly; the mobile inner cylinder body is internally provided with a nut; the nut is connected with the screw rod assembly; the sleeve coupler is located inside the connection sleeve; the mobile inner cylinder body passes out from the inner part of the fixed outer cylinder sleeve and can perform reciprocating movement relative to the fixed outer cylinder sleeve; and the extending end of the mobile inner cylinder body is connected with the connection head. The self-limiting electric push rod can be applied to various working conditions and particularly harsh environments for controlling a gate, moving an object and controlling a direction.
Description
Technical field
The present invention is specifically related to a kind of from spacing electric pushrod, belongs to electric pushrod technical field.
Background technology
At present, a kind of electric pushrod or Electrohydraulic push rod is often used in smelter, they have the features such as volume is little, flexible movements, stable working, generally be used in place that is remote, dangerous and high-altitude and carry out control operation, can realize handling gate, mobile object, controlling party, to waiting multifunctional usage, is thus widely used, but there is following problem in actual use
1, DG type, DGT type, DTT type electric pushrod " mechanical handbook " the 4th edition. (the 5th volume). the 22nd section of 216-224}, by motor, reductor in its structure, the cylinder barrel of screw rod and band nut and connector, complex structure, volume are large, Heavy Weight, maintenance is inconvenient, and cost is high.
2, Electrohydraulic push rod " mechanical handbook " the 4th edition. (the 5th volume). the 22nd section of 225-238}, its complex structure, by motor, oil pump, fuel tank, be built in integrated control valve in fuel tank, cylinder tube and piston rod and connector, manufacture difficulty is large, manufacturing expense is high, maintenance difficulty is large, can not place and be used in water to drench, transition is moist, high temperature, the operating modes such as low temperature, the fuel tank of electricity fluid cylinder is very little, once there is external leakage, because working media deficiency causes hydraulic pump emptying phenomenon, the damage of pump and the cavitation erosion of hydraulic cylinder can be caused very soon, easily there is vibration and creeping phenomenon at the volley.
3, above-mentioned two kinds of push rods must install two travel switches on rated travel, and the electronic switch of travel switch one class is easily subject to the impact of ambient temperature and surrounding objects, and cause stroke misjudgment, system sets up control circuit, comparatively complicated.If electric pushrod does not use travel switch, easily generation motor burning or other machinery are the equipment faults damaged, and Maintenance and Repair are inconvenient; If Electrohydraulic push rod does not use travel switch, can make overflow valve frequent starting in it, oil temperature raises, and causes bad seals, easily reveals.Or easily causing fault after oil pollution, reparation difficulty is large.
Summary of the invention
Therefore, the present invention needs to arrange travel switch for solving electric pushrod or Electrohydraulic push rod in prior art, the electronic switch of travel switch one class is easily subject to the impact of ambient temperature and surrounding objects, cause stroke misjudgment, system sets up control circuit, structure is comparatively complicated, failure rate is high, the problem such as can not to use under complex working condition, there is provided a kind of from spacing electric pushrod, comprise motor, adapter sleeve, fixing outer cylinder sheath, movable inner cylinder body, connector, describedly also comprise box coupling and lead screw assembly from spacing electric pushrod, described adapter sleeve one end is fixedly connected with motor, the other end is connected with fixing outer cylinder sheath, described box coupling one end connects motor output end, the other end connects lead screw assembly, screw is provided with in described movable inner cylinder body, described screw is connected with lead screw assembly, described box coupling is positioned at adapter sleeve inside, described movable inner cylinder body passes from fixing outer cylinder sheath inside and can relatively fix outer cylinder sheath and moves back and forth, movable inner cylinder body external part is connected with connector.
Further, the outer cylinder flange that described fixing outer cylinder sheath comprises outer cylinder and is welded to connect with outer cylinder, described outer cylinder flange is connected with adapter sleeve.Described outer cylinder inwall is provided with outer cylinder feather key.
Further, described movable inner cylinder body comprises inner cylinder tube, screw, chamber body and chamber body transparent cover, and described inner cylinder tube is connected with chamber body, and described screw is positioned at chamber body, and described chamber body is connected with chamber body transparent cover bolt.Be provided with two back-moving springs between described chamber body and screw, described chamber body inwall is provided with chamber body feather key.
Further, described lead screw assembly comprises leading screw, bearing cavity, bearing, round nut stop washer, round nut, bearing air cover, the spindle nose access box coupling of described leading screw.
Further, described movable inner cylinder body external part and connector are bolted, and are provided with locking nut between movable inner cylinder body external part and connector.
Beneficial effect of the present invention is: of the present invention from spacing electric pushrod, the transmission of power and motion is realized by the kind of drive of screw-nut, the control of stroke is realized by the leading screw designing different length, what realize the screw thread pair transmission of both forward and reverse directions by two back-moving springs that screw block is built-in opens conjunction, stroke is fixed, and is not subject to the impact of surrounding objects and ambient temperature.Structure is simple, and low cost of manufacture, easy to maintenance, the scope of application and adaptability are more extensive, and under operating mode rugged environment, advantage is more outstanding.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation from spacing electric pushrod of the present invention;
Fig. 2 is the structural representation of adapter sleeve part in Fig. 1;
Fig. 3 is the structural representation fixing outer cylinder sheath part in Fig. 1;
Fig. 4 is the structural representation of movable inner cylinder body part in Fig. 1;
Fig. 5 is the structural representation of lead screw assembly part in Fig. 1.
Reference numeral is as follows:
1, motor;
2, adapter sleeve;
3, fixing outer cylinder sheath;
4, movable inner cylinder body;
5, connector;
6, box coupling;
7, lead screw assembly;
8, screw;
9, outer cylinder;
10, outer cylinder flange;
11, outer cylinder feather key;
12, inner cylinder tube;
13, chamber body;
14, back-moving spring;
15, chamber body feather key;
16, leading screw;
17, bearing cavity;
18, round nut stop washer;
19, round nut;
20, locking nut;
21, chamber body transparent cover;
22, bearing;
23, bearing air cover.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described:
As shown in Figure 1, a kind of from spacing electric pushrod, comprise motor 1, adapter sleeve 2, fixing outer cylinder sheath 3, movable inner cylinder body 4, connector 5, box coupling 6 and lead screw assembly 7 is also comprised from spacing electric pushrod, adapter sleeve 2 one end is fixedly connected with motor 1, adapter sleeve 2 other end is connected with fixing outer cylinder sheath 3, box coupling 6 one end connects motor 1 output, the other end connects lead screw assembly 7, screw 8 is provided with in movable inner cylinder body 4, screw 8 is connected with lead screw assembly 7, it is inner that box coupling 6 is positioned at adapter sleeve 2, movable inner cylinder body 4 passes from fixing outer cylinder sheath 3 inside and relatively can fix outer cylinder sheath 3 and moves back and forth, movable inner cylinder body 4 external part is connected with connector 5, connector 5 connects gate, the external components such as mobile object.
Adapter sleeve 2 structure as shown in Figure 2.
Using motor 1 as power source, adopt simple lead screw assembly 7 with screw 8 transmission to realize power and Movement transmit, by the threads of lead screw cut to lengthen stroke in lead screw assembly 7, Stroke Control is realized without peripheral hardware limit switch, motor 1 drives lead screw assembly 7 to rotate, screw 8 drive activity inner cylinder body 4 moves reciprocatingly, and connector 5 is with the external component such as movable valve, mobile object to move.
As shown in Figure 3, as preferred embodiment, the outer cylinder flange 10 that fixing outer cylinder sheath 3 comprises outer cylinder 9 and is welded to connect with outer cylinder 9, outer cylinder flange 10 is connected with adapter sleeve 2.Outer cylinder 9 inwall is provided with outer cylinder feather key 11.
As shown in Figure 4, as preferred embodiment, movable inner cylinder body 4 comprises inner cylinder tube 12, screw 8, chamber body transparent cover 21 and chamber body 13, and inner cylinder tube 12 is connected with chamber body 13, and screw 8 is positioned at chamber body 13.Be provided with two back-moving springs 14 between chamber body 13 and screw 8, chamber body 13 inwall is provided with chamber body feather key 15.Back-moving spring 14 when completing a single direction stroke, do can to make when return movement opens the beginning lead screw assembly 7 and screw 8 reliable and closely spin together, to reach object run requirement.
As shown in Figure 5, as preferred embodiment, lead screw assembly 7 comprises leading screw 16, bearing cavity 17, bearing 22, round 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, movable inner cylinder body 4 external part and connector 5 are bolted, and are provided with locking nut 20 between movable inner cylinder body 4 external part and connector 5.
Should be as follows from the assembly program of spacing electric pushrod: movable inner cylinder body 4 parts load in fixing outer cylinder sheath 3 along outer cylinder feather key 11 by the first step; Second step, by the screw 8 of movable for leading screw 16 screw-in of lead screw assembly 7 inner cylinder body 4, until its flange embeds in outer cylinder flange 10, is fixed into bolt and is integrated, form an execution unit; Together with motor 1 is bolted with adapter sleeve 2 by the 3rd step; Box coupling 6 is installed on the axle of motor 1 output by the 4th step; Another hole of the spindle nose alignment sleeve shaft coupling 6 of leading screw 16 on 5th step execution unit; Together with the outer cylinder flange 10 of execution unit is bolted with adapter sleeve 2 by the 6th step.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. one kind from spacing electric pushrod, comprise motor, adapter sleeve, fixing outer cylinder sheath, movable inner cylinder body, connector, it is characterized in that, describedly also comprise box coupling and lead screw assembly from spacing electric pushrod, described adapter sleeve one end is fixedly connected with motor, the other end is connected with fixing outer cylinder sheath, described box coupling one end connects motor output end, the other end connects lead screw assembly, screw is provided with in described movable inner cylinder body, described screw is connected with lead screw assembly, described box coupling is positioned at adapter sleeve inside, described movable inner cylinder body passes from fixing outer cylinder sheath inside and can relatively fix outer cylinder sheath and moves back and forth, movable inner cylinder body external part is connected with connector.
2. as claimed in claim 1 from spacing electric pushrod, it is characterized in that, the outer cylinder flange that described fixing outer cylinder sheath comprises outer cylinder and is welded to connect with outer cylinder, described outer cylinder flange is connected with adapter sleeve.
3. as claimed in claim 2 from spacing electric pushrod, it is characterized in that, described outer cylinder inwall is provided with outer cylinder feather key.
4. as claimed in claim 1 from spacing electric pushrod, it is characterized in that, described movable inner cylinder body comprises inner cylinder tube, screw, chamber body and chamber body transparent cover, and described inner cylinder tube is connected with chamber body, described screw is positioned at chamber body, and described chamber body is connected with chamber body transparent cover bolt.
5. as claimed in claim 4 from spacing electric pushrod, it is characterized in that, be provided with two back-moving springs between described chamber body and screw, described chamber body inwall is provided with chamber body feather key.
6. as claimed in claim 1 from spacing electric pushrod, it is characterized in that, described lead screw assembly comprises leading screw, bearing cavity, bearing, round nut stop washer, round nut, bearing air cover, the spindle nose access box coupling of described leading screw.
7. as claimed in claim 1 from spacing electric pushrod, it is characterized in that, described movable inner cylinder body external part and connector are bolted, and are provided with locking nut 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105245053A true CN105245053A (en) | 2016-01-13 |
| CN105245053B CN105245053B (en) | 2017-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510806999.3A Active CN105245053B (en) | 2015-11-18 | 2015-11-18 | It is a kind of from spacing electric pushrod |
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| CN (1) | CN105245053B (en) |
Cited By (9)
| 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 |
| CN106253568A (en) * | 2016-08-25 | 2016-12-21 | 浙江联宜电机有限公司 | Electric pushrod |
| CN106970146A (en) * | 2017-03-28 | 2017-07-21 | 哈尔滨工业大学 | A kind of steam generator heat-transfer pipe detection device orientation connecting mechanism |
| 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 |
| CN108675835A (en) * | 2018-06-28 | 2018-10-19 | 杭州稻道农业科技有限公司 | A kind of straw carbon fertilizer manufacturing device |
| 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 |
| CN113098190A (en) * | 2021-04-13 | 2021-07-09 | 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 |
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| CN201025293Y (en) * | 2006-03-29 | 2008-02-20 | 徐众 | Mechanical self-limit braker |
| EP1911894A2 (en) * | 2006-10-13 | 2008-04-16 | 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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2015
- 2015-11-18 CN CN201510806999.3A patent/CN105245053B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025293Y (en) * | 2006-03-29 | 2008-02-20 | 徐众 | Mechanical self-limit braker |
| EP1911894A2 (en) * | 2006-10-13 | 2008-04-16 | 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 |
Cited By (11)
| 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 |
| CN106253568A (en) * | 2016-08-25 | 2016-12-21 | 浙江联宜电机有限公司 | Electric pushrod |
| CN106253568B (en) * | 2016-08-25 | 2018-05-22 | 浙江联宜电机有限公司 | Electric pushrod |
| CN106970146A (en) * | 2017-03-28 | 2017-07-21 | 哈尔滨工业大学 | A kind of steam generator heat-transfer pipe detection device orientation connecting mechanism |
| 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 |
| CN108675835A (en) * | 2018-06-28 | 2018-10-19 | 杭州稻道农业科技有限公司 | A kind of straw carbon fertilizer manufacturing device |
| 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 |
| CN113098190A (en) * | 2021-04-13 | 2021-07-09 | 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 |
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|---|---|
| CN105245053B (en) | 2017-12-01 |
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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. |