CN205575421U - Automatic telescopic machanism - Google Patents
Automatic telescopic machanism Download PDFInfo
- Publication number
- CN205575421U CN205575421U CN201620206306.7U CN201620206306U CN205575421U CN 205575421 U CN205575421 U CN 205575421U CN 201620206306 U CN201620206306 U CN 201620206306U CN 205575421 U CN205575421 U CN 205575421U
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- telescopic
- flexible
- telescopic arm
- volume
- arm
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Abstract
The utility model relates to an automatic telescopic machanism, including fixed fuselage, two section at least flexible arms (21, 22 ), fixed fuselage and two section at least flexible arms (21, 22 )The volume reduces in proper order, the flexible arm cover of little volume is established in the flexible arm bigger slightly than this volume, the flexible arm cover of maximum volume is established in fixed fuselage, the fixed inside bottom surface of fuselage is provided with flexible track, the rear end of the flexible arm of maximum volume is provided with flexible dolly, the rear end cooperation of the bottom of flexible dolly and the flexible arm of maximum volume is provided with the walking wheel, all be provided with a support roll driving wheel on the interior bottom surface of fixed fuselage front end, the both sides of the rear end of the flexible arm of maximum volume respectively are provided with a set of side leading wheel. The utility model discloses a setting through side leading wheel, support roll driving wheel and three kinds of wheels on the walking wheel for flexible fuselage is not easily died by the card when flexible, firmly limits into telescopic machanism to all -round rolling friction, makes flexible process stable freely.
Description
Technical field
This utility model relates to the mechanical hand field of entrucking, particularly relates to a kind of auto-telescopic mechanism.
Background technology
Authorization Notice No. be CN102381642 B, authorized announcement date be authorized announcement date 2013.04.24's
In Chinese invention patent, disclose a kind of synchronous telescopic device, a kind of synchronous telescopic device, total including jib
One-tenth, hydraulic cylinder assembly, wire line guide and rope；Described jib assembly includes fixed arm, first stretches
Contracting arm and the second telescopic arm, the cross section of each arm is is processed into identical polygon, Qi Zhong as desired
Two telescopic arms slide among the first telescopic arm, and the first telescopic arm slides among fixed arm, at fixed arm
Being fixed with two nylon slide blocks III inside right-hand member, the left end external stability at the first telescopic arm has four nylon sliding
Block I, is fixed with two nylon slide blocks IV, at the left end of the second telescopic arm inside the right-hand member of the first telescopic arm
External stability has two nylon slide blocks II；Hydraulic cylinder assembly includes oil cylinder, hold-down support I, support plate, supporting
Plate and bogie wheel, oil cylinder is double acting hydraulic cylinder, and the left end of oil cylinder is by two short axles and the first telescopic arm
Side plate is hinged and connected, and the right-hand member of oil cylinder is fixedly arranged in the middle of support plate, and piston rod end is fixed with hold-down support I,
Support plate is bending steel plate, and the left end of support plate is fixed on hold-down support I, and supporting skidding is contained in and is fixed on
On the wheel shaft of support plate bottom；Described wire line guide includes left truckle, right truckle and the most sliding
Wheel, each pulley is two, is parallel to each other and is symmetrically installed, and two left truckles are slided respectively and are contained in cylinder tube
On the hinged short axle of left end both sides, two right truckles are slided and are contained on the little axle being fixed on support plate right-hand member, and two
Individual big pulley is sliding to be contained on the little axle being fixed on support plate top；Described rope includes that steel wire rope, fastening are adjusted
Regulating device and hold-down support II, steel wire rope has two, is wound on right truckle, left truckle in parallel to each other
With big pulley, the two ends of every steel wire rope are all connected with hold-down support II by fastening adjustment device, two
Steel wire rope is connected with the side plate fastening of the second telescopic arm also by hold-down support II.But this synchronous telescoping mechanism
Using multiple slide block to realize stretching, slide block is relatively and for roller, it is easy to occur stuck；Additionally, and nothing
Side guides, it is easier to cause flexible stuck.
Utility model content
For overcoming disadvantages mentioned above, during the purpose of this utility model is to provide the entrucking of a kind of energy, telescopic machine
The more stable auto-telescopic mechanism that will not be stuck of structure.
In order to reach object above, the technical solution adopted in the utility model is: a kind of auto-telescopic mechanism,
Including fixed main body and flexible fuselage, described flexible fuselage include at least two joint telescopic arms, fixed main body with
And at least two joint telescopic arm volume be sequentially reduced, the described telescopic arm of small size is set in more slightly larger than this volume
In telescopic arm, the telescopic arm of maximum volume is set in fixed main body, and the bottom surface within described fixed main body sets
Being equipped with expansion rail, the rear end of the described telescopic arm of maximum volume is provided with flexible dolly, described flexible dolly
Bottom and the rear end of described telescopic arm of maximum volume be equipped with and can stretch back and forth on expansion rail
The road wheel slided, the inner bottom surface of described fixed main body front end is provided with a back-up roller driving wheel, maximum
The both sides of the rear end of the described telescopic arm of volume are each provided with one group of side directive wheel.Useful effect of the present utility model
Fruit is that telescopic machine is to be supported by back-up roller driving wheel in fixed main body Inner Front End (external part), and rear end is then
Expansion rail is walked in achieved above elastic by the road wheel that flexible dolly is installed above, flexible in rear end
Fuselage is arranged above with two groups of side directive wheels, and side directive wheel and fixed main body rolling friction realize preventing flexible fuselage
It is stuck, by side directive wheel, back-up roller driving wheel and the setting of three kinds of wheels of road wheel so that telescopic machine
It is not easy to be stuck when flexible, telescoping mechanism is firmly constrained to omnidirectional rolling friction, makes to stretch
Cheng Wending is freely.
Preferably, on described flexible dolly, being provided with in the front inner wall of the telescopic arm that volume is maximum can be around
The telescopic propeller shaft that its central axis rotates, described two telescopic propeller shafts are respectively fixedly installed travelling gear,
Be provided with driving chain on two described travelling gears, described driving chain respectively with fixed main body and volume
Maximum telescopic arm is fixing to be connected, be provided with in the telescopic arm that volume is maximum to control wherein one flexible drive
The telescope motor that moving axis rotates.
Preferably, also include synchronization chain, often save before and after every side of telescopic arm in two ends, fixed main body
Before and after the lower section of each sidewall in portion, the rear end of end and top is each provided with a fixing post, and often joint is stretched
The fixing post of contracting arm front end is higher than the fixing post of rear end, and described synchronization chain is wrapped on all fixing posts formation
One closed loop, the synchronization chain with telescopic machine has been wound around the fixing post of front and back ends on a telescopic arm, then
It is wound around the fixing post of front and back ends on another telescopic arm.By synchronization chain and the cooperation of fixing post, energy
The synchronization telescopes of realization at least two joint telescopic arms, simple in construction, stable.
Preferably, in addition to the telescopic arm of minimum volume, the front end inner bottom surface of remaining telescopic arm is respectively provided with
There is a described back-up roller driving wheel.Being easy to ensure in addition to the telescopic arm of maximum volume, remaining stretches
The front end energy flexible of arm is freely.
Preferably, the telescopic propeller shaft that described telescope motor is controlled on flexible dolly by torque limiter rotates.
Once free-runing operation, protection telescope motor will not be burned out by telescope motor beyond torque range motor.
Accompanying drawing explanation
Structural representation within when Fig. 1 is the elongation of the present embodiment auto-telescopic mechanism；
Structural representation within when Fig. 2 is the contraction of the present embodiment auto-telescopic mechanism；
Fig. 3 is the partial enlarged drawing in Fig. 1 at A；
Fig. 4 is the external structure schematic diagram during elongation of the present embodiment auto-telescopic mechanism.
In figure:
1-fixed main body；2-stretches fuselage；21,22-telescopic arm；4-stretches dolly；5-road wheel；6-stretches
Contracting track；7-side directive wheel；8-telescope motor；9-torque limiter；10-telescopic propeller shaft；11-transmission
Gear；12-driving chain；13-synchronization chain；14-fixes post.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that this utility model
Advantage and feature can be easier to be readily appreciated by one skilled in the art, thus to protection domain of the present utility model
Make apparent clear and definite defining.
See shown in accompanying drawing 1,2,3,4, a kind of auto-telescopic mechanism of the present embodiment, including volume in by
The least fixed main body 1 and flexible fuselage 2, flexible fuselage 2 can include at least two joint telescopic arms, this
Embodiment is stretched and is only included two joint telescopic arms in fuselage 2, is followed successively by telescopic arm 21, telescopic arm 22, fixing machine
The volume of body 2, telescopic arm 21 and telescopic arm 22 is in the trend being sequentially reduced, i.e. telescopic arm 21 is maximum
The telescopic arm of volume, the telescopic arm 22 of small size is set in the telescopic arm 21 more slightly larger than this volume, maximum
The telescopic arm 21 of volume is set in fixed main body 1, and the bottom surface within fixed main body 1 is provided with expansion rail
6, the rear end of the telescopic arm 21 of maximum volume is provided with flexible dolly 4, the bottom of flexible dolly 4 and maximum
The rear end of the telescopic arm 21 of volume be equipped with can on expansion rail 6 road wheel 5 of telescopic slide back and forth,
Road wheel 5 is in order to reduce the friction between flexible fuselage 2 and fixed main body 1 so that flexible fuselage 2 rear end
Flexible the most stable, the inner bottom surface of fixed main body 1 front end is provided with a back-up roller driving wheel 3 so that
The flexible of flexible fuselage 2 leading portion is stablized flexibly, and the both sides of the rear end of the telescopic arm 21 of maximum volume are each provided with
One group of side directive wheel 7 so that the flexible of the side of flexible fuselage 2 is stablized flexibly, prevents flexible fuselage 2 by card
Extremely.
The driving of auto-telescopic mechanism is to drive, specifically with telescope motor 8 and driving chain 12
Structure is as follows: on flexible dolly 4, be provided with in the front inner wall of the maximum telescopic arm 21 of volume can around from
The telescopic propeller shaft 10 that body central shaft rotates, two telescopic propeller shafts 10 are respectively fixedly installed travelling gear
11, two travelling gears 11 are provided with driving chain 12, driving chain 12 respectively with fixed main body 1 with
And the fixing connection of telescopic arm 21 that volume is maximum, it is provided with to control it in the telescopic arm 21 that volume is maximum
In the telescope motor 8 that rotates of telescopic propeller shaft 10.Telescope motor 8 by control wherein one flexible drive
By coordinating of driving chain 12 and travelling gear 11, the rotation of moving axis 10, drives that another root is flexible to be driven then
Moving axis 10, the flexible of two joint telescopic arms 21,22 is stretched in final realization, more specifically, flexible in the present embodiment
The telescopic propeller shaft 10 that motor 8 is controlled on flexible dolly 4 by torque limiter 9 rotates, once flexible electricity
Free-runing operation, protection telescope motor 8 will not be burned out by machine 8 beyond torque range motor.
In order to can guarantee that two joint telescopic arms 21,22 can synchronize to extend and retract, this auto-telescopic mechanism also includes
Synchronization chain 13, before and after the two joint every sides of telescopic arm 21,22 two ends, fixed main body 1 internal the most simultaneously
Before and after the lower section of sidewall, the rear end of end and top is each provided with a fixing post 14, often joint telescopic arm front end
Fixing post 14 higher than the fixing post 14 of rear end, synchronization chain 13 is wrapped on all fixing posts 14 formation one
Individual closed loop, the synchronization chain 13 on flexible fuselage 2 has been wound around the fixing post 14 of front and back ends on telescopic arm 21
After, then be wound around the fixing post 14 of front and back ends on telescopic arm 22, then realize can guarantee that two joint telescopic arms 21,
22 can synchronization telescope.
In order to be further ensured that two joint telescopic arms 21,22 are difficult to stuck, then except the telescopic arm 21 of minimum volume
In addition, before remaining telescopic arm (in the present embodiment, remaining telescopic arm is the telescopic arm 21 of maximum volume)
It is provided with a back-up roller driving wheel 3, in order to ensure the front end energy of the telescopic arm 21 of small size on end inner bottom surface
Flexible is freely.
Embodiment of above only for technology of the present utility model design and feature are described, its object is to allow familiar
The people of technique understands content of the present utility model and is carried out, and can not limit this utility model with this
Protection domain, all according to this utility model spirit done equivalence change or modify, all should contain
In protection domain of the present utility model.
Claims (5)
1. an auto-telescopic mechanism, including fixed main body (1) and flexible fuselage (2), described telescopic machine
Body (2) include at least two joint telescopic arm (21,22), fixed main body (2) and at least two joint telescopic arms (21,
22) volume is sequentially reduced, and the described telescopic arm (22) of small size is set in the telescopic arm more slightly larger than this volume
(21), in, the telescopic arm (21) of maximum volume is set in fixed main body (1), it is characterised in that: institute
The bottom surface stating fixed main body (1) internal is provided with expansion rail (6), the described telescopic arm (21) of maximum volume
Rear end be provided with flexible dolly (4), stretch described in the bottom of described flexible dolly (4) and maximum volume
The rear end of contracting arm (21) be equipped with can on expansion rail (6) road wheel (5) of telescopic slide back and forth,
A back-up roller driving wheel (3) it is provided with on the inner bottom surface of described fixed main body (1) front end, maximum volume
The both sides of the rear end of described telescopic arm (21) are each provided with one group of side directive wheel (7).
Auto-telescopic mechanism the most according to claim 1, it is characterised in that: described flexible dolly (4)
Being provided with in the front inner wall of the telescopic arm (21) upper, volume is maximum can be around stretching that its central axis rotates
Contracting drive shaft (10), described two telescopic propeller shafts (10) are respectively fixedly installed travelling gear (11),
Be provided with driving chain (12) on two described travelling gears (11), described driving chain (12) respectively with
The telescopic arm (21) of fixed main body (1) and volume maximum is fixing to be connected, the telescopic arm (21) that volume is maximum
Inside it is provided with to control the telescope motor (8) that wherein a telescopic propeller shaft (10) rotates.
Auto-telescopic mechanism the most according to claim 1, it is characterised in that: also include synchronization chain (13),
Often save two ends, each sidewall of fixed main body (1) inside before and after every side of telescopic arm (21,22)
Lower section before and after end and the rear end of top be each provided with a fixing post (14), often save telescopic arm (21,
22) the fixing post (14) of front end is higher than the fixing post (14) of rear end, and described synchronization chain (13) is wrapped in
All fixing posts (14) are upper forms a closed loop, and the synchronization chain (13) on flexible fuselage (2) has been wound around
The fixing post (14) of the upper front and back ends of one telescopic arm (21), then be wound around another telescopic arm (22) go forward,
The fixing post (14) of rear end.
Auto-telescopic mechanism the most according to claim 1, it is characterised in that: except stretching of minimum volume
Beyond arm (21), the front end inner bottom surface of remaining telescopic arm (21) is provided with a described back-up roller
Driving wheel (3).
Auto-telescopic mechanism the most according to claim 2, it is characterised in that: described telescope motor (8)
The telescopic propeller shaft (10) controlled on flexible dolly (4) by torque limiter (9) is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206306.7U CN205575421U (en) | 2016-03-17 | 2016-03-17 | Automatic telescopic machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206306.7U CN205575421U (en) | 2016-03-17 | 2016-03-17 | Automatic telescopic machanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205575421U true CN205575421U (en) | 2016-09-14 |
Family
ID=56868478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620206306.7U Active CN205575421U (en) | 2016-03-17 | 2016-03-17 | Automatic telescopic machanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205575421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767735A (en) * | 2018-06-01 | 2018-11-06 | 中国电力科学研究院有限公司 | A kind of crossing frame and its installation method |
| WO2021082439A1 (en) * | 2019-10-30 | 2021-05-06 | 苏州双祺自动化设备有限公司 | Telescopic mechanism of telescopic machine |
-
2016
- 2016-03-17 CN CN201620206306.7U patent/CN205575421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767735A (en) * | 2018-06-01 | 2018-11-06 | 中国电力科学研究院有限公司 | A kind of crossing frame and its installation method |
| WO2021082439A1 (en) * | 2019-10-30 | 2021-05-06 | 苏州双祺自动化设备有限公司 | Telescopic mechanism of telescopic machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |