CN206886569U - A kind of telescopic arm - Google Patents
A kind of telescopic arm Download PDFInfo
- Publication number
- CN206886569U CN206886569U CN201621303681.XU CN201621303681U CN206886569U CN 206886569 U CN206886569 U CN 206886569U CN 201621303681 U CN201621303681 U CN 201621303681U CN 206886569 U CN206886569 U CN 206886569U
- Authority
- CN
- China
- Prior art keywords
- joint arms
- joint
- arm
- pulley
- arms
- 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.)
- Expired - Fee Related
Links
Landscapes
- Manipulator (AREA)
Abstract
A kind of telescopic arm, including arm body, directive wheel, pulley, disc spring, fixed block, steel wire etc. are the utility model is related to, completely by Steel rope drive, belong to two-part synchronous telescopic boom, one joint arm is fixed, and by the joint arm of Steel rope drive two, realizes the synchronization telescope of two joint arms and three joint arms.Arm body uses light-weighted tubing, larger flexible stroke can be reached, especially suitable for restricted to physical dimension in the case of the appearance and size and weight of very little, and the less demanding situation of bearing capacity, operation machinery and cavity detection field such as in narrow space.Telescopic arm of the present utility model, simple in construction, compact, appearance and size is small, and parts are few, cost is low, and stroke range of stretching is big, and deadweight is lighter, and type of drive is all using steel wire, precision is good, substantially without maintenance, especially suitable for the conditional field of detecting of physical dimension.
Description
Technical field
The utility model is related to a kind of succinct light-duty telescopic arm, and in particular to a kind of steel wire drive telescopic arm, suitable for
In the application technologies such as the detection in cavity and narrow space.
Background technology
In the application such as detection in cavity and narrow space, telescopic arm structure is applicable very much.But due to hanging for telescopic arm
Arm configuration, for the amount of deflection of reinforcement arm body, generally its deadweight and appearance and size is larger, limits the application of telescopic arm structure.Open
It is simple in construction to send out a, and appearance and size is small, and stroke range of stretching is big, the lighter telescopic arm of deadweight, will expand this structure significantly
Application.
The most frequently used telescopic arm type of drive is rack-driving, and its principle is that rack is arranged on telescopic arm bottom, motor and
Reduction gearing is fixed on the front end of base arm, electrode drive reduction gearing, then by gear drive rack, so as to drive stretching for telescopic arm
Contracting.
Conventional telescopic arm type of drive has rack-driving, hydraulic drive, chain drive and combination transmission etc. both at home and abroad at present.
Rack-driving manufacture installation difficulty is big, cost is high, and hydraulic drive is bigger by external environment influence, and maintenance is inconvenient, and chain passes
Dynamic shortcoming is directional, laterally without flexibility, than steel wire rope weight, cost height.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of telescopic arm, with solve conventional telescopic arm structure it is complicated,
The problem of cost is high.
For technical problem existing for solution, the technical solution adopted in the utility model is：A kind of telescopic arm, including a section
Arm, two joint arms, three joint arms, pulley and fixed block, a described joint arm, two joint arms and three joint arms are vertical hollow structure, and one saves
Arm is fixed in frame, and two joint arms are arranged on the inside of a joint arm, and three joint arms are between the inside of two joint arms, three sections of arm bodies
Two groups of movable pulley mechanisms are formed by pulley and fixed block, form rope structure, realize the synchronization telescope of two joint arms and three joint arms；
Described pulley is fixed in two joint arms, and steel wire one end is fixed in three joint arms by fixed block, and the other end bypasses pulley, passes through
Another fixed block is fixed in a joint arm, forms one group of movable pulley, when two joint arms do expanding-contracting action, three joint arms are with 2 times
The speed of two joint arms is stretched；It is real in another group of movable pulley that opposite side, installation reverse symmetry arrangement and identical structure are formed
Synchronization when existing two joint arms and three joint arms are shunk.
In order that two joint arms and three joint arms are preferably freely stretched inside a joint arm and two joint arms respectively, it is of the present invention
Two joint arms and the outsides of three joint arms be mounted with directive wheel respectively, directive wheel is two joint arms and three joint arms respectively in a joint arm
Guiding is provided with telescopic process inside two joint arms.
For the scale error inside compensator arm body, prevent stuck, also ensure that directive wheel is brought into close contact with arm body, it is of the invention
Disc spring is respectively arranged between two described joint arms and the outside of three joint arms and directive wheel.
In order in assembling process, ensure that steel wire is exactly appropriate length, and ensure certain pretightning force, it is of the present invention
Fixed block on be provided with adjusting screw.
The telescopic arm of the present invention, including arm body, directive wheel, pulley, disc spring, fixed block, steel wire etc., are driven by steel wire rope completely
It is dynamic, belong to two-part synchronous telescopic boom, a joint arm is fixed, and by the joint arm of Steel rope drive two, realizes two joint arms and three joint arms
Synchronization telescope.Arm body uses light-weighted tubing, can reach larger in the case of the appearance and size and weight of very little and stretch
Stroke, especially suitable for restricted to physical dimension, and the less demanding situation of bearing capacity, such as the operation machine in narrow space
The field such as tool and cavity detection.
Beneficial effect
Telescopic arm of the present utility model, simple in construction, compact, appearance and size is small, and parts are few, and cost is low, and stretch stroke
Scope is big, and deadweight is lighter, and for type of drive all using steel wire, precision is good, substantially without maintenance, especially suitable for physical dimension
Conditional field of detecting.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the side view of the present invention；
Fig. 4 is the pulley structure figure in the present invention；
Fig. 5 is fixed-block-architecture (FBA) figure.
In figure：1 is a joint arm, and 2 be two joint arms, and 3 be three joint arms, and 4 be directive wheel, and 5 be pulley, and 6 be disc spring, and 7 be fixation
Block, 8 be pulley bracket, and 9 be pulley body, and 10 be bearing, and 11 be rotating shaft, and 12 be circlip, and 13 be steel wire, and 14 be adjustment spiral shell
Nail.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As illustrated in fig. 1 and 2, a kind of telescopic arm provided by the invention, including a joint arm 1, two joint arms 2, three joint arms 3, wherein
One joint arm 1 is fixed, and can be fixed by screws in frame.One joint arm 1 and two joint arms 2, are all provided between two joint arms 2 and three joint arms 3
Directive wheel 4 is equipped with, directive wheel 4 is fixed therein the outside of side arm, for example, the directive wheel 4 between a joint arm 1 and two joint arms 2, Gu
It is scheduled on the outside of two joint arms 2.Disc spring 6, its size being used for inside compensator arm body are provided between directive wheel 4 and its inner webs
Error, prevent it is stuck, also ensure directive wheel 4 be brought into close contact with arm body.
Two groups of movable pulley mechanisms are formed by pulley 5 and fixed block 7 between three sections of arm bodies, rope structure is formed, realizes two
Save the synchronization telescope of swing arm.
It is cavity inside three sections of arms of telescopic arm, the wiring available for operation instrument.Three joint arm arm bodies use lightweight
Tubing.
As shown in figure 3, pulley 5 is fixed in two joint arms 2, the one end of steel wire 13 is fixed in three joint arms 3 by fixed block 7,
The other end bypasses pulley 5, is fixed on by another fixed block in a joint arm 1, forms one group of movable pulley, does and stretch when two joint arms 2
When going out to act, three joint arms 3 are stretched out with the speed of 2 times of two joint arm 2.Similarly, in opposite side, using with above-mentioned identical knot
Structure forms another group of movable pulley, is arranged with said mechanism reverse symmetry, realizes synchronization when two, three liang of joint arms are shunk.
By the processing on said structure, two, three joint arms can realize synchronization telescope, external drive may be arranged at two joint arms
On 2, be also disposed in three joint arms 3, here preferable structure be by drive arrangement in two joint arms 2.As shown in figure 1, in 1 section
Fixed another set pulley, the contiguous block that a steel wire is fixed in two joint arms 2 around the pulley above arm, form fixed sliding
Wheel；In the lower section of two joint arms, by the contiguous block being fixed in two joint arms 2, a steel wire is directly led out, so, pulls afterbody
Two steel wires drawn, you can control the flexible of telescopic arm, two steel wires one draw one to stretch, and stroke is equal, therefore can share one
Driving, stretching motion can be achieved by the rotating of motor.Concrete implementation mode can use roller, can also use its other party
Formula.
As shown in figure 4, pulley 5 can use the existing pulley mode suitable for the present invention, slided disclosed in the present embodiment
Wheel 5 is made up of pulley bracket 8, pulley body 9, bearing 10, rotating shaft 11, circlip 12, and pulley bracket is designed as flat structure, sliding
Wheel body is protruded by upper and lower, so can be compact-sized directly by pulley between two adjacent sections arm.V is provided with pulley body 9
Type groove, limit the position of steel wire 13.Two spring bearings 10 enable pulley body 9 freely to rotate, prevent steel wire 13 and pulley 5 it
Between rub, the problems such as causing steel wire wear and excessive transmission resistance.
Through hole is provided with as shown in figure 5, be provided with adjusting screw 14 on fixed block, inside it, fixation is passed for steel wire, is filling
During matching somebody with somebody, the length of steel wire can not ensure exactly appropriate length, it is therefore necessary to adjusting screw 14 be set, for being tensioned steel
Silk, and ensure certain pretightning force.
Claims (6)
1. a kind of telescopic arm, including a joint arm（1）, two joint arms（2）, three joint arms（3）, pulley（5）And fixed block（7）, its feature
It is：
A described joint arm（1）, two joint arms（2）And three joint arms（3）For vertical hollow structure, inside is cavity, a joint arm（1）Gu
It is scheduled in frame, two joint arms（2）Installed in a joint arm（1）Inside, three joint arms（3）Installed in two joint arms（2）Inside, three sections
Pass through pulley between arm body（5）With fixed block（7）Two groups of movable pulley mechanisms are formed, rope structure is formed, realizes two joint arms（2）With
Three joint arms（3）Synchronization telescope；
Described pulley（5）It is fixed on two joint arms（2）On, steel wire（13）One end passes through fixed block（7）It is fixed on three joint arms（3）
On, the other end bypasses pulley（5）, pass through another fixed block（7）It is fixed on a joint arm（1）On, one group of movable pulley is formed, when two
Joint arm（2）When doing expanding-contracting action, three joint arms（3）With 2 times of two joint arm（2）Speed stretch；In opposite side, reverse symmetry is installed
Another group of movable pulley that arrangement and identical structure are formed, realizes two joint arms（2）And three joint arms（3）Synchronization during contraction.
2. telescopic arm according to claim 1, it is characterised in that：Two described joint arms（2）And three joint arms（3）Outside point
Directive wheel is not mounted with it（4）, directive wheel（4）For two joint arms（2）And three joint arms（3）Respectively in a joint arm（1）With two joint arms
（2）Internal telescopic process provides guiding.
3. telescopic arm according to claim 2, it is characterised in that：Two described joint arms（2）And three joint arms（3）Outside with
Directive wheel（4）Between be respectively arranged with disc spring（6）, its scale error being used for inside compensator arm body, prevent it is stuck, also ensure lead
To wheel（4）It is brought into close contact with arm body.
4. telescopic arm according to claim 1, it is characterised in that：Described pulley（5）By pulley bracket（8）, pulley body
（9）, bearing（10）, rotating shaft（11）And circlip（12）Form, pulley bracket（8）For flat structure, pulley body（9）By upper and lower
Side's protrusion, facilitates pulley（5）Directly it can be embedded between two adjacent sections arm, pulley body（9）On be provided with V-groove, limit steel wire
（13）Position, two spring bearings（10）Make pulley body（9）Can freely it rotate, circlip（12）By pulley bracket（8）、
Pulley body（9）, bearing（10）And rotating shaft（11）It is fixed on together.
5. telescopic arm according to claim 1, it is characterised in that：Described fixed block（7）Internal opened hole, wears for steel wire
Go out fixation, fixed block（7）On be provided with adjusting screw（14）.
6. telescopic arm according to claim 1, it is characterised in that：Two described joint arms（2）Upper installation drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303681.XU CN206886569U (en) | 2016-11-30 | 2016-11-30 | A kind of telescopic arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303681.XU CN206886569U (en) | 2016-11-30 | 2016-11-30 | A kind of telescopic arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206886569U true CN206886569U (en) | 2018-01-16 |
Family
ID=61327813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303681.XU Expired - Fee Related CN206886569U (en) | 2016-11-30 | 2016-11-30 | A kind of telescopic arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206886569U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055351A (en) * | 2016-11-30 | 2017-08-18 | 内蒙动力机械研究所 | A kind of telescopic arm |
| CN108750976A (en) * | 2018-07-02 | 2018-11-06 | 合肥市春华起重机械有限公司 | A kind of novel retractable slewing crane |
| CN109250631A (en) * | 2018-11-26 | 2019-01-22 | 广东电网有限责任公司 | Telescopic arm is used in the light-weighted push-and-pull of one kind |
| CN112792845A (en) * | 2021-02-04 | 2021-05-14 | 湖北三江航天涂装设备工程有限公司 | Chain drive telescopic boom |
-
2016
- 2016-11-30 CN CN201621303681.XU patent/CN206886569U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055351A (en) * | 2016-11-30 | 2017-08-18 | 内蒙动力机械研究所 | A kind of telescopic arm |
| CN108750976A (en) * | 2018-07-02 | 2018-11-06 | 合肥市春华起重机械有限公司 | A kind of novel retractable slewing crane |
| CN109250631A (en) * | 2018-11-26 | 2019-01-22 | 广东电网有限责任公司 | Telescopic arm is used in the light-weighted push-and-pull of one kind |
| CN109250631B (en) * | 2018-11-26 | 2023-08-25 | 广东电网有限责任公司 | Lightweight telescopic arm for push-pull |
| CN112792845A (en) * | 2021-02-04 | 2021-05-14 | 湖北三江航天涂装设备工程有限公司 | Chain drive telescopic boom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107055351A (en) | A kind of telescopic arm | |
| CN206886569U (en) | A kind of telescopic arm | |
| CN102283765B (en) | Rectangular coordinate and joint type combined traditional Chinese massage robot | |
| CN202556637U (en) | Arc core-pulling device | |
| CN111924523B (en) | A battery cell loading and unloading mechanism | |
| CN103192366A (en) | Manipulator capable of rotating continuously | |
| CN201706064U (en) | Engineering machinery and hose guiding device thereof | |
| CN101832077A (en) | Lifting mechanism for vehicle window glass | |
| CN207915353U (en) | The erection device of pipe pile die die bolt | |
| CN206654692U (en) | Embrace brick clamp | |
| CN201147993Y (en) | Servo-driven multi-linkage rod press machine | |
| CN110302039B (en) | A bionic muscle stretching device | |
| CN108724160A (en) | A kind of wire drive improving control accuracy | |
| CN2910888Y (en) | Layered set type automatic lifting/lowering apparatus | |
| CN104196978A (en) | Twisting transmission device | |
| CN110145579A (en) | A kind of multi-deck extension bar | |
| CN211030064U (en) | Connecting rod pipe clamping mechanism | |
| CN102817120B (en) | Two-way linear reciprocating motion double-drive device | |
| CN211501523U (en) | Thread type linear motion mechanism | |
| CN2931420Y (en) | Elevator door drive mechanism | |
| CN108569635A (en) | A kind of pulley blocks lifting device and its implementation with more multiplication journey speedups | |
| CN204099529U (en) | A kind of torque drive device | |
| CN201953213U (en) | Sliding wheel on inner side of main material of electric retractable door | |
| CN107139210A (en) | A kind of heavy-duty machinery arm perpendicular shaft configuration provided with bascule | |
| CN207713940U (en) | A kind of multi-thread embroidery machine silk thread clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20181130 |