CN109139635A - A kind of high-precision telescopic rod - Google Patents
A kind of high-precision telescopic rod Download PDFInfo
- Publication number
- CN109139635A CN109139635A CN201811271675.4A CN201811271675A CN109139635A CN 109139635 A CN109139635 A CN 109139635A CN 201811271675 A CN201811271675 A CN 201811271675A CN 109139635 A CN109139635 A CN 109139635A
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- CN
- China
- Prior art keywords
- telescopic rod
- interior telescopic
- extension bar
- external extension
- interior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000000630 rising effect Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
Abstract
The embodiment of the invention discloses a kind of high-precision telescopic rods, including bar body of stretching, flexible bar body includes external extension bar, interior telescopic rod and screw rod, it is hollow setting inside external extension bar and interior telescopic rod, the outer diameter of interior telescopic rod is less than the internal diameter of external extension bar, the bottom of external extension bar is closed and the top end opening of external extension bar, interior telescopic rod is arranged in outer telescopic rod, and the top of interior telescopic rod is run through the top end opening of external extension bar and is upwardly extended, the bottom end of interior telescopic rod is connect by mounting portion with wire rod thread, bottom is provided with stepper motor in external extension bar, the output shaft of stepper motor upper end is fixedly connected by shaft coupling with screw rod bottom, screw rod is rotated under the drive of stepper motor, to drive interior telescopic rod to carry out rising or falling movement.High-precision telescopic rod provided in an embodiment of the present invention has the characteristics that structure is simple, flexible precision is high and safe and reliable.
Description
Technical field
The present invention relates to telescopic device technical fields, and in particular to a kind of high-precision telescopic rod.
Background technique
Telescopic rod used at present locks inner and outer tubes by buckle, bolt etc., and the inner and outer tubes of snap lock are logical
It can only often fix and stretch to certain length, the inner and outer tubes of bolt locking are since there are certain spacing between connecting hole, only
Required length can be approximately reached, is not able to satisfy requirement of the people to precision.Meanwhile telescopic rod is used in each technology neck
Domain, such as camera self-timer bar, robot arm, electric power overhaul bar etc. much need high-precision since flexible precision is inadequate
The flexible technical field of degree, telescopic rod currently on the market are not able to satisfy high-precision requirement in process of industrialization.
The telescopic rod of the modernization occurred in the market causes since design requirement is not achieved in the precision of the telescopic rod of use
Flexible precision is not accurate enough, therefore is badly in need of a kind of high-precision telescopic rod.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of high-precision telescopic rod, to solve the precision of existing telescopic rod not
High problem.
To achieve the above object, the embodiment of the present invention provides a kind of high-precision telescopic rod, including flexible bar body, described to stretch
Contracting bar body includes external extension bar, interior telescopic rod and screw rod, in which:
It is hollow setting inside the external extension bar and the interior telescopic rod, the outer diameter of the interior telescopic rod is less than described
The internal diameter of external extension bar, the bottom closing of the external extension bar and the top end opening of the external extension bar, the interior telescopic rod are set
It sets in the external extension bar, and the top of the interior telescopic rod is run through the top end opening of the external extension bar and upwardly extended,
The bottom end of the interior telescopic rod is connect by mounting portion with the wire rod thread, and bottom is provided with stepping electricity in the external extension bar
The output shaft of machine, the stepper motor upper end is fixedly connected by shaft coupling with the screw rod bottom, and the screw rod is in the step
It is rotated under into the drive of motor, so that the interior telescopic rod be driven to carry out rising or falling movement；
It further include rope sensor and controller, the rope sensor is arranged in the external extension bar bottom and is located at
The lower section of the stepper motor, the rope sensor are fixedly connected by stainless steel drawstring with the bottom of the interior telescopic rod；
The controller is electrically connected with the stepper motor and the rope sensor respectively.
The length of the external extension bar is 0.5~1.5m, and the length of the interior telescopic rod is 0.8~1.8m.
The length of the external extension bar is 1.0m, and the length of the interior telescopic rod is 1.2~1.4m.
The shape of the external extension bar and the interior telescopic rod is cylinder.
The interior telescopic rod it is top closed, the mounting portion of the interior telescopic rod bottom and the interior telescopic rod are integrated into
Type.
The shape of the mounting portion is cylinder, and the outer diameter of the mounting portion is identical as the outer diameter of the interior telescopic rod, and
The mounting portion is integrally formed with the interior telescopic rod.
Through-hole is provided in the mounting portion, the internal diameter of the through-hole is less than the internal diameter of the interior telescopic rod, the through-hole
Inner sidewall be provided with the internal screw thread matched with the screw rod external screw thread.
The bottom end that the rope sensor passes through the stainless steel drawstring and the mounting portion of the interior telescopic rod bottom setting
It is fixedly connected.
The embodiment of the present invention has the advantages that high-precision telescopic rod provided in an embodiment of the present invention, passes through the institute of setting
Screw rod is stated to be rotated under the driving of stepper motor, and interior telescopic rod bottom end is connect by mounting portion with the wire rod thread,
To drive the interior telescopic rod rise or fall movement, realize that interior telescopic rod is run up or downwards from external extension bar
Operation, and then realize Telescopic；Simultaneously as the bottom end of interior telescopic rod is bolted by mounting portion and the screw rod, institute
Within telescopic rod and the screw rod cooperation it is more close, and run smoothly, security reliability obtains a degree of promotion；Separately
Outside, by control stepper motor, it can be achieved that the high-precision expanding-contracting action of interior telescopic rod；Meanwhile it being sensed by the drawstring of setting
Device and controller, and bottom and the lower section positioned at the stepper motor in the external extension bar is arranged in the rope sensor,
The rope sensor is fixedly connected by stainless steel drawstring with the bottom of the interior telescopic rod.It is sensed by the drawstring of setting
Device, can interior telescopic rod described in real-time detection the height risen or fallen, i.e., high-precision telescopic rod provided in an embodiment of the present invention
Flexible distance, so that the revolving speed of the output shaft by control stepper motor, further controls rising or falling for interior telescopic rod
Precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the high-precision telescopic rod that the embodiment of the present invention 1 provides.
Fig. 2 is the schematic cross-sectional view for the high-precision telescopic rod China and foreign countries telescopic rod that the embodiment of the present invention 1 provides.
The schematic cross-sectional view of interior telescopic rod in the high-precision telescopic rod that Fig. 3 provides for the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram for the high-precision telescopic rod that the embodiment of the present invention 2 provides.
Fig. 5 is the structural schematic diagram for the high-precision telescopic rod that the embodiment of the present invention 3 provides.
In figure: 100, bar body of stretching；101, external extension bar；102, interior telescopic rod；103, screw rod；104, mounting portion；
105, stepper motor；106, output shaft；107, shaft coupling；108, through-hole；109, internal screw thread；110, rope sensor；111, no
Become rusty steel drawstring；112, controller.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper", "lower", " left side ", the right side in this specification ", the term of " centre ", be merely convenient to chat
That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing skill without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of high-precision telescopic rod provided for the embodiment of the present invention 1, including flexible bar body
100, the flexible bar body 100 includes external extension bar 101, interior telescopic rod 102 and screw rod 103, in which:
The shape of the external extension bar 101 and the interior telescopic rod 102 is cylinder, the external extension bar 101 and institute
Stating is hollow setting inside interior telescopic rod 102, and the outer diameter of the interior telescopic rod 102 is less than the interior of the external extension bar 101
Diameter, the bottom closing of the external extension bar 101 and the top end opening of the external extension bar 101, the interior setting of telescopic rod 102 exist
In the external extension bar 101, and the top of the interior telescopic rod 102 is through the top end opening of the external extension bar 101 and upward
Extend, i.e., the top of the described interior telescopic rod 102 is located at the open-topped top of the external extension bar 101, the interior telescopic rod 102
Bottom end be threadedly coupled with the screw rod 103 by mounting portion 104, bottom is provided with stepper motor in the external extension bar 101
105, the output shaft 106 of 105 upper end of stepper motor is fixedly connected by shaft coupling 107 with 103 bottom of screw rod, described
Screw rod 103 carried out under the drive of the stepper motor 105 rotation rise or fall, thus drive the interior telescopic rod 102 into
Row rises or falls movement.
The length of the external extension bar 101 is chosen as 0.5~1.5m, and the length of the interior telescopic rod 102 is chosen as 0.8~
1.8m, specific size can be selected according to actual needs.
The length of the external extension bar 101 is preferably 1.0m, and the length of the interior telescopic rod 102 is preferably 1.2~1.4m.
As shown in Figures 2 and 3, the shape of the external extension bar 101 and the interior telescopic rod 102 is rectangular or cylinder
Shape is preferably cylinder, and the external extension bar 101 and interior telescopic rod 102 are made of aluminium alloy or light material.Pass through
The design of above-mentioned design, the external extension bar 101 and interior telescopic rod 102 is more reasonable, and interior telescopic rod 102 is in outer telescopic rod
101 inside risen or fallen more freely it is smooth, that is, stretch more flexible；In addition, due to 101 He of external extension bar
Interior telescopic rod 102 is made of aluminium alloy or light material, therefore the service life is longer, and security reliability obtains further
It is promoted.
As shown in figure 3, the interior telescopic rod 102 is top closed, the mounting portion of interior 102 bottom of the telescopic rod setting
104 are integrally formed with the interior telescopic rod 102, therefore the processing efficiency of interior telescopic rod 102 and mounting portion 104 is higher and interior
The combination of telescopic rod 102 and mounting portion 104 is stronger, and rigidity is stronger, to extend interior telescopic rod 102 and mounting portion 104
Service life.
The shape of the mounting portion 104 is cylindrical, and the outer diameter of the mounting portion 104 and the interior telescopic rod 102
Outer diameter is identical, facilitates processing, and intensity is stronger.
Through-hole 108 is provided in the mounting portion 104, the internal diameter of the through-hole 108 is less than the interior of the interior telescopic rod 102
Diameter, the inner sidewall of the through-hole 108 are provided with the internal screw thread 109 matched with the screw rod external screw thread, the interior telescopic rod 102
It is matched by the through-hole 108 being arranged in mounting portion 104 with the screw rod 103, security reliability obtains a degree of promotion；
Meanwhile the output shaft 106 of the stepper motor 105 drives the screw rod 103 to be rotated, and then drive in telescopic rod 102 into
Row rises or falls movement, and interior telescopic rod 102, when rising or falling movement, external extension bar 101 is no motion of namely interior
Telescopic rod and external extension bar will not relative motions；By stepper motor 105 can be realized internal telescopic rod 102 rising or
The control of decline, thus a degree of raising for obtaining the flexible precision of the interior telescopic rod 102.
The high-precision telescopic rod that the embodiment of the present invention 1 provides, by the screw rod 103 of setting in stepper motor 105
It is rotated under driving, and 102 bottom end of interior telescopic rod is threadedly coupled by mounting portion 104 with the screw rod 103, to drive institute
State interior telescopic rod 102 and rise or fall movement, realize in telescopic rod 102 run up from external extension bar 101 or downwards
Operation, and then realize Telescopic.Simultaneously as the bottom end of interior telescopic rod 102 passes through mounting portion 104 and 103 spiral shell of screw rod
Tether and connect, within telescopic rod 102 and the cooperation of the screw rod it is more close, and run smoothly, security reliability obtains centainly
The promotion of degree；In addition, by control stepper motor 105, can be realized the interior telescopic rod 102 complete it is high-precision flexible dynamic
Make.
Embodiment 2
As shown in figure 4, for a kind of high-precision telescopic rod that the embodiment of the present invention 2 provides, on the basis of embodiment 1, also
Including rope sensor 110, the rope sensor 110 is arranged in the external extension bar bottom and is located at the stepper motor
105 lower section, the rope sensor 110 are fixedly connected by stainless steel drawstring 111 with the bottom of the interior telescopic rod 102.
By the rope sensor 110 of setting, can interior telescopic rod 102 described in real-time detection the height risen or fallen, i.e., it is of the invention
The flexible distance of the high-precision telescopic rod that embodiment provides, thus the revolving speed of the output shaft 106 by control stepper motor 105,
The precision of telescopic rod 102 risen or fallen in further controlling.
Embodiment 3
As shown in figure 5, being that a kind of high-precision telescopic rod provided in an embodiment of the present invention also wraps on the basis of embodiment 2
Include controller 112；The controller 112 is electrically connected with the stepper motor 105 and the rope sensor 111 respectively.It is described
The bottom end that rope sensor 110 passes through the stainless steel drawstring 111 and the mounting portion 104 of interior 102 bottom of the telescopic rod setting
It is fixedly connected.By the controller 112 of setting, stepper motor 105 and rope sensor 111 can be preferably controlled, thus into one
The precision that telescopic rod 102 rises or falls in step control is flexible.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of high-precision telescopic rod, which is characterized in that including stretch bar body, the flexible bar body include external extension bar,
Interior telescopic rod and screw rod, in which:
It is hollow setting inside the external extension bar and the interior telescopic rod, the outer diameter of the interior telescopic rod is less than described overhanging
The internal diameter of contracting bar, the bottom closing of the external extension bar and the top end opening of the external extension bar, the interior telescopic rod setting exist
In the external extension bar, and the top of the interior telescopic rod is run through the top end opening of the external extension bar and is upwardly extended, described
The bottom end of interior telescopic rod is connect by mounting portion with the wire rod thread, and bottom is provided with stepper motor in the external extension bar,
The output shaft of the stepper motor upper end is fixedly connected by shaft coupling with the screw rod bottom, and the screw rod is in the stepping electricity
It is rotated under the drive of machine, so that the interior telescopic rod be driven to carry out rising or falling movement；
It further include rope sensor and controller, the rope sensor is arranged in the external extension bar bottom and is located at described
The lower section of stepper motor, the rope sensor are fixedly connected by stainless steel drawstring with the bottom of the interior telescopic rod；It is described
Controller is electrically connected with the stepper motor and the rope sensor respectively.
2. high-precision telescopic rod according to claim 1, which is characterized in that the length of the external extension bar be 0.5~
1.5m, the length of the interior telescopic rod are 0.8~1.8m.
3. high-precision telescopic rod according to claim 2, which is characterized in that the length of the external extension bar is 1.0m, institute
The length for stating interior telescopic rod is 1.2~1.4m.
4. high-precision telescopic rod according to claim 1, which is characterized in that the external extension bar and the interior telescopic rod
Shape is cylinder.
5. high-precision telescopic rod according to claim 4, which is characterized in that the interior telescopic rod it is top closed, it is described
The mounting portion of interior telescopic rod bottom is integrally formed with the interior telescopic rod.
6. high-precision telescopic rod according to claim 5, which is characterized in that the shape of the mounting portion is cylinder, institute
The outer diameter for stating mounting portion is identical as the outer diameter of the interior telescopic rod, and the mounting portion is integrally formed with the interior telescopic rod.
7. high-precision telescopic rod according to claim 1, which is characterized in that through-hole is provided in the mounting portion, it is described
The internal diameter of through-hole is less than the internal diameter of the interior telescopic rod, and the inner sidewall of the through-hole is provided with to be matched with the screw rod external screw thread
Internal screw thread.
8. high-precision telescopic rod according to claim 1, which is characterized in that the rope sensor passes through the stainless steel
Drawstring is fixedly connected with the bottom end of the mounting portion of the interior telescopic rod bottom setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271675.4A CN109139635A (en) | 2018-10-29 | 2018-10-29 | A kind of high-precision telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271675.4A CN109139635A (en) | 2018-10-29 | 2018-10-29 | A kind of high-precision telescopic rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139635A true CN109139635A (en) | 2019-01-04 |
Family
ID=64806366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271675.4A Pending CN109139635A (en) | 2018-10-29 | 2018-10-29 | A kind of high-precision telescopic rod |
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| Country | Link |
|---|---|
| CN (1) | CN109139635A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102635A (en) * | 2021-12-17 | 2022-03-01 | 西南交通大学 | Third rail automatic cleaning manipulator and cleaning method thereof |
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| CN201065510Y (en) * | 2007-06-19 | 2008-05-28 | 王培革 | Real time dynamic measuring digital control automatic leveling device for spreading machine |
| CN202217155U (en) * | 2011-08-31 | 2012-05-09 | 徐州市茜帅电子产品有限公司 | Automatic leveling system for milling machine |
| CN206268195U (en) * | 2016-10-31 | 2017-06-20 | 厦门明和实业有限公司 | The spacing guiding mechanism of Full-automatic telescopic bar |
| CN108443472A (en) * | 2018-05-11 | 2018-08-24 | 南京理工大学 | A kind of three-section type electric telescopic rod |
| CN207973444U (en) * | 2018-01-25 | 2018-10-16 | 苏州小男孩智能科技有限公司 | A kind of scalable push rod |
| CN208900489U (en) * | 2018-10-29 | 2019-05-24 | 李展 | A kind of telescopic rod |
-
2018
- 2018-10-29 CN CN201811271675.4A patent/CN109139635A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201065510Y (en) * | 2007-06-19 | 2008-05-28 | 王培革 | Real time dynamic measuring digital control automatic leveling device for spreading machine |
| CN202217155U (en) * | 2011-08-31 | 2012-05-09 | 徐州市茜帅电子产品有限公司 | Automatic leveling system for milling machine |
| CN206268195U (en) * | 2016-10-31 | 2017-06-20 | 厦门明和实业有限公司 | The spacing guiding mechanism of Full-automatic telescopic bar |
| CN207973444U (en) * | 2018-01-25 | 2018-10-16 | 苏州小男孩智能科技有限公司 | A kind of scalable push rod |
| CN108443472A (en) * | 2018-05-11 | 2018-08-24 | 南京理工大学 | A kind of three-section type electric telescopic rod |
| CN208900489U (en) * | 2018-10-29 | 2019-05-24 | 李展 | A kind of telescopic rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102635A (en) * | 2021-12-17 | 2022-03-01 | 西南交通大学 | Third rail automatic cleaning manipulator and cleaning method thereof |
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Application publication date: 20190104 |