CN106988668A - The telescopic mechanical feed ladder of timing belt and application method - Google Patents
The telescopic mechanical feed ladder of timing belt and application method Download PDFInfo
- Publication number
- CN106988668A CN106988668A CN201710188921.9A CN201710188921A CN106988668A CN 106988668 A CN106988668 A CN 106988668A CN 201710188921 A CN201710188921 A CN 201710188921A CN 106988668 A CN106988668 A CN 106988668A
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- China
- Prior art keywords
- timing belt
- telescopic arm
- telescopic
- transmission wheel
- wheel
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
- E06C1/125—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic with tubular longitudinal members nested within each other
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
Abstract
The invention belongs to mechanical-stretching equipment application extension ladder field, and in particular to the telescopic mechanical feed ladder of timing belt and application method.Including two line style being arranged side by side timing belt retractor devices, line style timing belt retractor device includes rolling wheel, transmission wheel and telescopic arm, rolling wheel and transmission wheel are respectively connected with drive device, rolling wheel and transmission wheel are arranged at the bottom of telescopic arm, timing belt is arranged with rolling wheel, timing belt front end and the front end of telescopic arm are connected, and arm body of the timing belt along telescopic arm is set, transmission wheel is arranged on the outlet of timing belt on rolling wheel, for driving timing belt to stretch out, and further driving telescopic arm elongation, terraced rod is connected between the telescopic arm of two line style timing belt retractor devices, terraced rod is arranged on the front end of each section on telescopic arm, the feeding ladder of the present invention has cheap, theory structure is simple, to the low good reliability feature of environmental requirement.
Description
【Technical field】
The invention belongs to mechanical-stretching equipment application extension ladder field, and in particular to timing belt telescopic mechanical feed ladder and
Application method.
【Background technology】
Less for the terraced equipment of mechanical-stretching at present, there is inaccurate coordination in existing associated mechanical, and site requirements is high, equipment
The shortcomings of simple and reliable property difference and narrow application.For there is inaccurate coordination, site requirements is high, and regulating effect difference etc. is asked
Topic, the present apparatus is related to telescopic mechanical feed ladder.
【The content of the invention】
In order to overcome problems of the prior art, it is an object of the invention to provide the telescopic mechanical feed of timing belt
Ladder and application method, the feeding ladder have cheap, and theory structure is simple, to the low good reliability feature of environmental requirement.
The purpose of the present invention is achieved through the following technical solutions：
The telescopic mechanical feed ladder of timing belt, including two line style timing belt retractor devices being arranged side by side, line style are synchronous
Band retractor device includes rolling wheel, transmission wheel and telescopic arm, and rolling wheel and transmission wheel are respectively connected with drive device, and rolling wheel and transmission wheel are equal
It is arranged on the bottom of telescopic arm, rolling wheel and is arranged with timing belt, the front end connection of timing belt front end and telescopic arm, and timing belt edge
The arm body for telescopic arm is set, and transmission wheel is arranged on the outlet of timing belt on rolling wheel, for driving timing belt to stretch out, and further
Drive and be connected with terraced rod between telescopic arm elongation, the telescopic arm of two line style timing belt retractor devices, terraced rod is arranged on telescopic arm
The front end of upper each section.
Rolling wheel and transmission wheel on described two line style timing belt retractor devices are connected by drive link II and drive link I respectively
Connect.
The outer cup of the rolling wheel has the outlet that timing belt is offered on casing, casing, is set between the outlet and transmission wheel
There is the adjustment wheel for adjusting synchronous carrier state, adjustment wheel is contacted with timing belt.
The transmission wheel is provided with the stopping means for being used for limiting transmission wheel rotation.
The timing belt includes some synchronous belt segments for saving and being mutually flexibly connected, and synchronous belt segment includes bottom plate and is arranged on bottom
All tooth plate spaced sets on tooth plate on plate, timing belt, transmission wheel is engaged with the tooth plate on timing belt.
Being provided with along its length on the telescopic arm is used to accommodating the opening chute of synchronous belt segment, and the end of tooth plate is from opening
Stretched out at the opening of mouth chute.
The lower end of the telescopic arm is provided with mounting seat, and rolling wheel and transmission wheel are connected with mounting seat, be hinged in mounting seat
There are the screens frame and rack band for preventing the telescopic mechanical feed ladder of timing belt from slipping, rack band is provided with oneself of confession screens frame
The latch of screens is carried out by end.
Two wheels are arranged side by side in the mounting seat, two wheels are connected by main shaft, main shaft is arranged on mounting seat
On, rack band is hinged with main shaft.
Being provided with foremost for the telescopic arm is linked up with.
The application method of the telescopic mechanical feed ladder of timing belt, comprises the following steps：
When mechanical feed ladder telescopic using timing belt, the transmission rotation on two line style timing belt retractor devices of driving
Dynamic, the arm body that transmission wheel drive timing belt scatters from rolling wheel and makes timing belt along telescopic arm is moved forward, and timing belt edge is flexible
The front end of telescopic arm is promoted each section of telescopic arm is stretched out successively while arm arm body is moved, while being arranged on each on telescopic arm
The terraced rod of section front end deploys successively；
When the telescopic mechanical feed of recovery timing belt is terraced, the rolling wheel on two line style timing belt retractor devices of driving turns
Dynamic, rolling wheel is crimped recovery to timing belt, while timing belt is reclaimed, and timing belt pulls the front end of telescopic arm to make telescopic arm
Each section shrink successively, meanwhile, the terraced rod for being arranged on each section front end on telescopic arm is withdrawn successively.
Compared with prior art, the present invention has the advantages that：
The telescopic mechanical feed ladder of timing belt that the present invention is sent out passes through in the flexible dress of two line style being arranged side by side timing belts
Terraced rod is connected between the telescopic arm put, terraced rod is arranged on the front end of each section on telescopic arm, when the use telescopic machinery of timing belt
During feeding ladder, the transmission wheel on two line style timing belt retractor devices of driving is rotated, and transmission wheel drive timing belt dissipates from rolling wheel
The arm body opened and make timing belt along telescopic arm is moved forward, and timing belt is promoted before telescopic arm while movement along Telescopic boom body
End makes each section of telescopic arm stretch out successively, while the terraced rod for being arranged on each section front end on telescopic arm deploys successively, emergency worker
It can be climbed by terraced rod on the telescopic mechanical feed ladder of timing belt；When the telescopic mechanical feed of recovery timing belt is terraced,
Drive the rolling wheel on two line style timing belt retractor devices to rotate, rolling wheel is crimped recovery to timing belt, reclaimed in timing belt
While, timing belt pulls the front end of telescopic arm each section of telescopic arm is shunk successively, meanwhile, each section is arranged on telescopic arm
The terraced rod of front end is withdrawn successively, and the telescopic mechanical feed ladder of timing belt of the invention is by under timing belt and telescopic arm synchronous effect
Make motion and realize the terraced stretching motion of feeding, the flexible modulation of the terraced telescopic of feeding can be achieved, while being easy to equipment
Storage and transport, it has cheap, and theory structure is simple, and harmony is good, to the low good reliability feature of environmental requirement.
Further, the rolling wheel and transmission wheel on two line style timing belt retractor devices pass through drive link II and transmission respectively
Bar I connections, therefore when rolling wheel or the transmission wheel rotation for driving side, ensure that on two line style timing belt retractor devices
Rolling wheel or transmission wheel synchronous axial system so that operation is more convenient reliable, and synchronism is good.
Further, the outer cup of rolling wheel has an outlet that timing belt is offered on casing, casing, the outlet and transmission wheel it
Between be provided with and be used to adjust the adjustment wheel of synchronous carrier state, adjustment wheel is contacted with timing belt, and timing belt and machine can be prevented by adjusting wheel
Outlet on shell is scratched and blocked gram, it is ensured that timing belt smoothly can scatter and reclaim.
Further, transmission wheel is provided with the stopping means for being used for limiting transmission wheel rotation, therefore, it is possible to ensure telescopic arm
Being elongated to its length after certain length can keep, it is ensured that the security during use.
Further, timing belt of the invention includes some synchronous belt segments for saving and being mutually flexibly connected, and synchronous belt segment includes
All tooth plate spaced sets on bottom plate and the tooth plate being arranged on bottom plate, timing belt, transmission wheel and the tooth plate on timing belt
Engagement, when driving transmission wheel to rotate, transmission wheel is stirred tooth plate and moved to the side of transmission wheel, and tooth plate drives the bottom being attached thereto
Plate is moved together, and with the rotation of transmission wheel, bottom plate below pushes front end movement of the bottom plate above to telescopic arm, located simultaneously
Bottom plate in timing belt front end promotes the upper end of telescopic arm successively that each section of telescopic arm is stretched next.
Further, the lower end of telescopic arm is provided with mounting seat, and rolling wheel and transmission wheel are connected with mounting seat, in mounting seat
The screens frame and rack band for preventing the telescopic mechanical feed ladder of timing belt from slipping are hinged with, rack band, which is provided with, supplies screens frame
Free end carry out the latch of screens, when using feeding ladder, when feeding terraced inclined placement, first prop up good feeding ladder
Telescopic arm part, then by rack band fixed placement, then by the free end of screens frame is stuck on rack band suitable latch position,
Ensure that telescopic arm, rack band and screens frame form stable triangular structure, can prevent feeding ladder in use along
The support end of bottom slips, and causes user's injures and deaths.
Further, two wheels have been arranged side by side in mounting seat, two wheels are connected by main shaft, and main shaft is arranged on
In mounting seat, by two wheel sides feeding ladder can be made to facilitate transfer when in use so that one can just move, supports and return
Take in ladder.
Further, being provided with foremost for telescopic arm is linked up with, therefore when in use, telescopic arm, which is elongated to, needs length
Afterwards, mutually fixed with other fixtures by hook, the security during use can be further ensured that.
【Brief description of the drawings】
Fig. 1 is the terraced three dimensional structure diagram of the telescopic mechanical feed of timing belt of the present invention.
Fig. 2 is the terraced front view of the telescopic mechanical feed of timing belt of the present invention.
Fig. 3 is the terraced side view of the telescopic mechanical feed of timing belt of the present invention.
Fig. 4 is the terraced side sectional view of the telescopic mechanical feed of timing belt of the present invention.
Fig. 5 is the terraced lateral three dimensional structure diagram of the telescopic mechanical feed of timing belt of the present invention.
Fig. 6 is the sectional view after timing belt and the telescopic arm installation of the present invention.
Wherein, 1- shaft sleeves, 2- after-poppets, 3- hand cradle, 4- spacer pins I, 5- handles, 6-V type frame, 7- bull sticks II, 8- axles
III, 9- bearing, 10- telescopic arms, 10-1- opening chutes, 11- roof sheets, 12- inside ceiling panels, 13- timing belts, 13-1- timing belts
Section, 13-1-1- bottom plates, 13-1-2- tooth plates, 14- transmission wheels, 14-1- positioning holes, 15- gag lever posts, 16- fixes hood, and 17- is adjusted
Whole wheel, 18- axles II, 19- fore-stocks, 20- casings, 21- axles I, 22- bull sticks I, 23- rolling wheels, 24- shielding plates, 25- screens disks,
26- spacer pins II, 27- hooks, 28- hold-down supports, 29- clamps, 30- ladder rods, 31- screens framves, 32- wheels, 33- end caps, 34-
Rack band, 35- main shafts, 36- drive links I, 37- drive link II.
【Embodiment】
Come that the present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in figs 1 to 6, the telescopic mechanical feed ladder of timing belt of the invention, including two line styles being arranged side by side are same
Step band retractor device, line style timing belt retractor device includes rolling wheel 23, transmission wheel 14 and telescopic arm 10, and the lower end of telescopic arm 10 is pacified
Equipped with mounting seat, rolling wheel 23 and transmission wheel 14 are connected with mounting seat, are hinged with mounting seat for preventing timing belt telescopic
Screens frame 31 and rack band 34 that mechanical feed ladder slips, rack band 34, which is provided with, supplies the free end of screens frame 31 to carry out screens
Two wheels 32 are also arranged side by side in latch, mounting seat, wheel 32 is by the location and installation of end cap 33 in the two ends of main shaft 35, main shaft
35 are arranged in mounting seat, and rack band 34 is hinged with main shaft 35, and rolling wheel 23 and transmission wheel 14 are respectively connected with drive device, rolling wheel 23
It is arranged at transmission wheel 14 on the bottom of telescopic arm 10, rolling wheel 23 and is arranged with timing belt 13, the front end of timing belt 13 is with stretching
The front end connection of arm 10, and arm body setting of the timing belt 13 along telescopic arm 10, transmission wheel 14 are arranged on timing belt on rolling wheel 23
13 outlet, for driving timing belt 13 to stretch out, and further, driving telescopic arm 10 extends；Two line style timing belt retractor devices
On rolling wheel 23 and transmission wheel 14 pass through drive link II37 and drive link I36 connections, two line style timing belt retractor devices respectively
Telescopic arm 10 between be connected with terraced rod 30, terraced rod 30 is arranged on the front end of each section on telescopic arm 10；Telescopic arm 10 most before
End is provided with hook 27.
The drive device that rolling wheel 23 and transmission wheel 14 are all connected with is manual driving device, is specially the one of the rotating shaft of rolling wheel 23
End sets bull stick I22 to drive rolling wheel 23 to rotate, and sets bull stick II7 to drive 14 turns of transmission wheel in one end of the rotating shaft of transmission wheel 14
It is dynamic.
Drive device can also use Vidacare corp, and the form of Vidacare corp is：The one of the rotating shaft of rolling wheel 23
End and one end of the rotating shaft of transmission wheel 14 connection motor, directly drive rolling wheel 23 by motor and transmission wheel 14 are rotated.
As shown in Figure 4 and Figure 5, the outer cup of rolling wheel 23 has the outlet that timing belt 13 is offered on casing 20, casing 20, should
The adjustment wheel 17 for being used for adjusting the state of timing belt 13 is provided between outlet and transmission wheel 14, adjustment wheel 17 is contacted with timing belt 13.
As shown in figure 5, transmission wheel 14 is provided with the stopping means for being used for limiting the rotation of transmission wheel 14, specifically, transmission wheel
14 offer several positioning holes 14-1 along its circumference, and the outside of transmission wheel 14 is covered with fixed hood 16, and fixed hood 16 is upper
Have in the both sides of transmission wheel 14 and several through holes are offered on side wall, wall, stopping means includes gag lever post 15, stopping means leads to
Crossing gag lever post 15 passes through the through hole on the fixed side wall of hood 16 and the positioning hole in transmission wheel 14 to be rotated to limit transmission wheel 14.
Such as Fig. 1, Fig. 2, shown in Fig. 4 to Fig. 6, timing belt 13 includes some synchronous belt segment 13-1 for saving and being mutually flexibly connected,
Synchronous belt segment 13-1 includes tooth plate 13- all on bottom plate 13-1-1 and the tooth plate 13-1-2 being arranged on bottom plate, timing belt 13
1-2 spaced sets, transmission wheel 14 is engaged with the tooth plate 13-1-2 on timing belt 13；It is provided with along its length on telescopic arm 10
Stretched at opening chute 10-1 opening the end of opening chute 10-1, tooth plate 13-1-2 for accommodating synchronous belt segment 13-1
Go out.
The mounting seat of the present invention includes after-poppet 2, hand cradle 3, handle 5, V-type frame 6, fore-stock 19 and shielding plate 24, hand cradle 3
Shape is in " day " font, and middle is wrapped handle 5, and the other end successively connects shielding plate 24 and telescopic arm 10 by bolt group,
Hand cradle 3 is connected with the bottom of telescopic arm 10；The other end of shielding plate 24 is connected to casing 20 by bolt group, and shielding plate 24 is used for will
Timing belt 13 is imported in the opening chute 10-1 on telescopic arm 10, prevents synchronous belt segment 13-1 end and the bottom head of telescopic arm
Collide and get stuck, enable timing belt 13 smoothly to drive telescopic arm 10 to extend；The external part of telescopic arm 10 is front end
Roof sheet 11 is welded with top；Roof sheet 11 is connected with inside ceiling panel 12 by bolt group；Inside ceiling panel 12 is welded in timing belt 13
Overhanging end is front end, and roof sheet 11 is connected to hold-down support 28 by bolt group；Hold-down support 28 is threadingly attached to hook
27；The proximal end that telescopic arm 10 is often saved is welded with semicircular clamp 29；The centre of clamp 29 is passed through for terraced rod 30；
The other end of timing belt 13 is fixed on rolling wheel 23 by bolt group；Rolling wheel 23 is connected to axle I 21 by propeller boss；Axle
I 21 overhanging end is provided with through hole, and bull stick I 22 through through hole and is provided with through hole in end；Spacer pin I 4 passes through the through hole of bull stick I 22
Bull stick I22 is carried out spacing；After-poppet 2 and fore-stock 19 are fixed on screens disk 25, after-poppet 2 and hand cradle 3 lower end with
Main shaft 35 is connected；The other end of fore-stock 19 is tube-in-tube structure and is placed on the two ends of axle II 18；Screens disk 25 is sleeved on axle I21 and led to
Cross bolt group and be fixed on the side of casing 20；By propeller boss connection equipped with adjustment wheel 17 in the middle part of axle II 18, V-type frame 6, which is provided with, to be used for
The sleeve being socketed with axle II, axle II 18 is cased with V-type frame 6 at two ends；The respective card slot of the other end of V-type frame 6 engaging screens disk 25
Place, the intermediate point of V-type frame 6 offers through hole, and is placed on by the through hole at the external part of hand cradle 3；Axle II 18 is connected by rod member
Connect fixed hood 16；The fixed bosom of hood 16 is equipped with transmission wheel 14；Transmission wheel 14 is connected to axle III 8 by propeller boss, transmission
The positioning hole 14-1 for positioning is provided with the wheel body of wheel 14, positioning hole 14-1 is through hole, and positioning hole 14-1 is worn for gag lever post 15
Cross, while locating rod 15 is also extended through offers some groups on the side wall for being located at the both sides of transmission wheel 14 on fixed hood 16, the side wall
Through hole is passed through for locating rod 15；The middle part of axle III 8 is equipped with transmission wheel 14, and is provided with bearing 9, the overhanging end of axle III 8 in its both sides
Through hole is provided with, bull stick II 7 passes through through hole, and is provided with through hole in the end of bull stick II 7；Spacer pin II 26 passes through the end of bull stick II 7
Through hole to bull stick II7 carry out it is spacing.
The tooth that the engaging tooth (i.e. tooth plate 13-1-2) of timing belt 13 is taken turns on 17 with transmission wheel 14 and adjustment during exercise is mutual
Engagement.
The one end of telescopic arm 10 is connected to roof sheet 11 by bolt group successively connection shielding plate 24 and hand cradle 3, the other end；Stretch
The section of contracting arm 10 contain above and below two Vacancies, upper Vacancy is opening chute 10-1, and lower Vacancy is stretched for each rank telescopic arm
Contracting space.
As shown in figures 1 and 3, one end of screens frame 10 of the invention is placed at one end external part of hand cradle 3, and the other end is placed in
At latch on rack band 34, the semicircular in shape of clamp 12 is simultaneously welded at the nearly external part of telescopic arm 10, and terraced rod 30 is from clamp 29
Center saves telescopic arm 4 through setting, often and is welded with one group two symmetrical clamps, and feeding ladder of the invention is parallel to be welded with
Two groups of clamps 12.
The course of work of the feeding ladder of the present invention is as follows：
When mechanical feed ladder telescopic using timing belt, the transmission wheel 14 on two line style timing belt retractor devices of driving
Rotate, the arm body that the driving timing belt 13 of transmission wheel 14 scatters from rolling wheel 23 and makes timing belt 13 along telescopic arm 10 is moved forward,
Timing belt promotes the front end of telescopic arm 10 each section of telescopic arm 10 is stretched out successively while movement along the arm body of telescopic arm 10, simultaneously
The terraced rod 30 for being arranged on each section front end on telescopic arm 10 deploys successively, by the flexible of the telescopic mechanical feed ladder of whole timing belt
After part is supported well, the rotation of rack band is put steady, then screens frame is stuck in the latch of rack band again, makes timing belt telescopic
Mechanical feed ladder supporting ＆ stablizing；
When the telescopic mechanical feed of recovery timing belt is terraced, 23 turns of rolling wheel on two line style timing belt retractor devices of driving
Dynamic, rolling wheel 23 is crimped recovery to timing belt 13, while timing belt 13 is reclaimed, and timing belt 13 is pulled before telescopic arm 10
End makes each section of telescopic arm 10 shrink successively, meanwhile, the terraced rod 30 for being arranged on each section front end on telescopic arm 10 is withdrawn successively.
Claims (10)
1. the telescopic mechanical feed ladder of timing belt, it is characterised in that including two line style being arranged side by side timing belt retractor devices,
Line style timing belt retractor device includes rolling wheel (23), transmission wheel (14) and telescopic arm (10), and rolling wheel (23) and transmission wheel (14) are
Drive device is connected with, rolling wheel (23) and transmission wheel (14) are arranged at the bottom of telescopic arm (10), and rolling wheel is arranged with (23)
Timing belt (13), the front end of timing belt (13) is connected with the front end of telescopic arm (10), and timing belt (13) is along telescopic arm (10)
Arm body set, transmission wheel (14) is arranged on the outlet of timing belt (13) on rolling wheel (23), for driving timing belt (13) to stretch out,
And further driving telescopic arm (10) extends, terraced rod is connected between the telescopic arm (10) of two line style timing belt retractor devices
(30), terraced rod (30) is arranged on the front end of each section on telescopic arm (10).
2. the telescopic mechanical feed ladder of timing belt according to claim 1, it is characterised in that described two line style timing belts
Rolling wheel (23) and transmission wheel (14) on retractor device pass through drive link II (37) and drive link I (36) connections respectively.
3. the telescopic mechanical feed ladder of timing belt according to claim 1, it is characterised in that the outside of the rolling wheel (23)
The outlet that timing belt (13) are offered on casing (20), casing (20) is covered with, being provided between the outlet and transmission wheel (14) is used for
The adjustment wheel (17) of timing belt (13) state of adjustment, adjustment wheel (17) is contacted with timing belt (13).
4. the telescopic mechanical feed ladder of timing belt according to claim 1, it is characterised in that set on the transmission wheel (14)
There is the stopping means for limiting transmission wheel (14) rotation.
5. the telescopic mechanical feed ladder of timing belt according to claim 4, it is characterised in that the timing belt (13) includes
Some to save the synchronous belt segment (13-1) being mutually flexibly connected, synchronous belt segment (13-1) includes bottom plate (13-1-1) and is arranged on bottom plate
On tooth plate (13-1-2), all tooth plate (13-1-2) spaced sets, transmission wheel (14) and timing belt on timing belt (13)
(13) tooth plate (13-1-2) engagement on.
6. the telescopic mechanical feed ladder of timing belt according to claim 1, it is characterised in that edge on the telescopic arm (10)
Its length direction, which is provided with, is used to accommodating the opening chute (10-1) of synchronous belt segment (13-1), and the end of tooth plate (13-1-2) is from opening
Stretched out at the opening of chute (10-1).
7. the telescopic mechanical feed ladder of timing belt according to claim 1, it is characterised in that under the telescopic arm (10)
End is provided with mounting seat, and rolling wheel (23) and transmission wheel (14) are connected with mounting seat, is hinged with mounting seat for preventing synchronization
The screens frame (31) and rack band (34) slipped with telescopic mechanical feed ladder, rack band (34) is provided with for screens frame (31)
Free end carries out the latch of screens.
8. the telescopic mechanical feed ladder of timing belt according to claim 7, it is characterised in that set side by side in the mounting seat
Two wheels (32) are equipped with, two wheels (32) are connected by main shaft (35), and main shaft (35) is arranged in mounting seat, rack band
(34) it is hinged with main shaft (35).
9. the telescopic mechanical feed ladder of timing belt according to claim 1, it is characterised in that the telescopic arm (10) is most
Front end is provided with hook (27).
10. the application method of the telescopic mechanical feed ladder of timing belt, it is characterised in that comprise the following steps：
When mechanical feed ladder telescopic using timing belt, the transmission wheel (14) on two line style timing belt retractor devices of driving turns
It is dynamic, transmission wheel (14) driving timing belt (13) scattered from rolling wheel (23) and make arm body of the timing belt (13) along telescopic arm (10) to
Preceding movement, timing belt promotes the front end of telescopic arm (10) to make each section of telescopic arm (10) while movement along telescopic arm (10) arm body
Stretch out successively, while the terraced rod (30) for being arranged on each section front end on telescopic arm (10) deploys successively；
When the telescopic mechanical feed of recovery timing belt is terraced, the rolling wheel (23) on two line style timing belt retractor devices of driving turns
Dynamic, rolling wheel (23) is crimped recovery to timing belt (13), while timing belt (13) is reclaimed, and timing belt (13) pulls flexible
The front end of arm (10) makes each section of telescopic arm (10) shrink successively, meanwhile, it is arranged on the ladder of each section front end on telescopic arm (10)
Rod (30) is withdrawn successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188921.9A CN106988668B (en) | 2017-03-27 | 2017-03-27 | The telescopic mechanical feed ladder of synchronous belt and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188921.9A CN106988668B (en) | 2017-03-27 | 2017-03-27 | The telescopic mechanical feed ladder of synchronous belt and application method |
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| Publication Number | Publication Date |
|---|---|
| CN106988668A true CN106988668A (en) | 2017-07-28 |
| CN106988668B CN106988668B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710188921.9A Active CN106988668B (en) | 2017-03-27 | 2017-03-27 | The telescopic mechanical feed ladder of synchronous belt and application method |
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|---|---|---|---|---|
| US4024595A (en) * | 1976-05-21 | 1977-05-24 | James Brown | Linkage bridge |
| CN201045280Y (en) * | 2007-04-09 | 2008-04-09 | 杨利勇 | Portable automatic telescopic ladder |
| CA2734647A1 (en) * | 2008-08-22 | 2010-02-25 | Core Distribution, Inc. | Extendable/retractable ladder |
| CN105328692A (en) * | 2014-07-29 | 2016-02-17 | 沈阳众拓机器人设备有限公司 | Telescopic device |
| CN205591823U (en) * | 2016-03-22 | 2016-09-21 | 国家电网公司 | Antiskid is electric power overhaul ladder |
| CN205778457U (en) * | 2016-05-20 | 2016-12-07 | 东莞鼎翰铝制品有限公司 | A kind of extension ladder |
| CN206000436U (en) * | 2016-08-31 | 2017-03-08 | 郝铮龙 | A kind of Foldable ladder |
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|---|---|
| CN106988668B (en) | 2019-05-03 |
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