CN106988668B - The telescopic mechanical feed ladder of synchronous belt and application method - Google Patents
The telescopic mechanical feed ladder of synchronous belt and application method Download PDFInfo
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- CN106988668B CN106988668B CN201710188921.9A CN201710188921A CN106988668B CN 106988668 B CN106988668 B CN 106988668B CN 201710188921 A CN201710188921 A CN 201710188921A CN 106988668 B CN106988668 B CN 106988668B
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- telescopic arm
- wheel
- transmission wheel
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention belongs to mechanical-stretching equipment application extension ladder fields, and in particular to the telescopic mechanical feed ladder of synchronous belt and application method.Including two line style synchronous belt telescopic devices arranged side by side, line style synchronous belt telescopic device includes rolling wheel, transmission wheel and telescopic arm, rolling wheel and transmission wheel are respectively connected with driving device, rolling wheel and transmission wheel are arranged at the bottom end of telescopic arm, synchronous belt is arranged on rolling wheel, synchronous belt front end and the front end of telescopic arm connect, and synchronous belt is arranged along the arm body of telescopic arm, the outlet of synchronous belt on rolling wheel is arranged in transmission wheel, for driving synchronous belt to stretch out, and further driving telescopic arm elongation, terraced stick is connected between the telescopic arm of two line style synchronous belt telescopic devices, the front end of each section on telescopic arm is arranged in terraced stick, feeding ladder of the invention has cheap, theory structure is simple, good reliability feature low to environmental requirement.
Description
[technical field]
The invention belongs to mechanical-stretching equipment application extension ladder fields, and in particular to synchronous belt telescopic mechanical feed ladder and
Application method.
[background technique]
Less for mechanical-stretching ladder equipment at present, there are inaccurate coordinations for existing associated mechanical, and site requirements is high, equipment
The disadvantages of simple and reliable property difference and narrow application range.For there are inaccurate coordinations, site requirements is high, and regulating effect difference etc. is asked
Topic, the present apparatus are related to telescopic mechanical feed ladder.
[summary of the invention]
In order to overcome problems of the prior art, the purpose of the present invention is to provide the telescopic mechanical feeds of synchronous belt
Ladder and application method, the feeding ladder have cheap, and theory structure is simple, good reliability feature low to environmental requirement.
The purpose of the present invention is achieved through the following technical solutions:
The telescopic mechanical feed ladder of synchronous belt, including two line style synchronous belt telescopic devices arranged side by side, line style is synchronous
Band telescopic device includes rolling wheel, transmission wheel and telescopic arm, and rolling wheel and transmission wheel are respectively connected with driving device, and rolling wheel and transmission wheel are equal
The bottom end of telescopic arm is set, synchronous belt, the front end connection of synchronous belt front end and telescopic arm, and synchronous belt edge are arranged on rolling wheel
Telescopic arm arm body setting, the outlet of synchronous belt on rolling wheel is arranged in transmission wheel, for driving synchronous belt to stretch out, and further
Telescopic arm elongation is driven, terraced stick is connected between the telescopic arm of two line style synchronous belt telescopic devices, terraced stick is arranged in telescopic arm
The front end of upper each section.
Rolling wheel and transmission wheel on described two line style synchronous belt telescopic devices pass through drive rod II and drive rod I respectively and connect
It connects.
The outer cup of the rolling wheel has casing, and the outlet of synchronous belt is offered on casing, sets between the outlet and transmission wheel
There is the adjustment wheel for adjusting synchronous carrier state, adjustment wheel is contacted with synchronous belt.
The transmission wheel is equipped with the limiting device for limiting transmission wheel rotation.
The synchronous belt includes the synchronization belt segment that several sections are mutually flexibly connected, and synchronous belt segment includes bottom plate and is arranged the bottom of at
Tooth plate on plate, all tooth plate spaced sets, transmission wheel are engaged with the tooth plate on synchronous belt on synchronous belt.
It is provided along its length the opening sliding slot for accommodating synchronous belt segment on the telescopic arm, the end of tooth plate is from opening
The opening of mouth sliding slot is stretched out.
The lower end of the telescopic arm is equipped with mounting base, and rolling wheel and transmission wheel are connect with mounting base, hinged in mounting base
Have a detent frame and rack gear band for preventing the telescopic mechanical feed ladder of synchronous belt from slipping, rack gear band be equipped with for detent frame from
The latch of detent is carried out by end.
It is arranged side by side in the mounting base there are two wheel, two wheels are connected by main shaft, and main shaft is mounted on mounting base
On, rack gear band and main shaft are hinged.
The front end of the telescopic arm is equipped with hook.
The application method of the telescopic mechanical feed ladder of synchronous belt, includes the following steps:
When mechanical feed ladder telescopic using synchronous belt, the transmission on two line style synchronous belt telescopic devices is driven to rotate
Dynamic, transmission wheel drive synchronous belt scatters from rolling wheel and moves forward synchronous belt along the arm body of telescopic arm, and synchronous belt is along flexible
Each section for pushing the front end of telescopic arm to make telescopic arm while arm arm body is mobile is successively stretched out, while being arranged each on telescopic arm
The terraced stick of section front end is successively unfolded；
When the telescopic mechanical feed ladder of recycling synchronous belt, the rolling wheel on two line style synchronous belt telescopic devices is driven to turn
Dynamic, rolling wheel is crimped recycling to synchronous belt, and while synchronous belt recycling, synchronous belt pulls the front end of telescopic arm to make telescopic arm
It is each section successively shrink, meanwhile, the terraced stick that each section front end on telescopic arm is arranged in successively is withdrawn.
Compared with prior art, the invention has the following beneficial effects:
The telescopic mechanical feed ladder of the synchronous belt that the present invention is sent out passes through in the flexible dress of two line style synchronous belts arranged side by side
Terraced stick is connected between the telescopic arm set, the front end of each section on telescopic arm is arranged in terraced stick, when the use telescopic machinery of synchronous belt
When feeding ladder, the transmission wheel on two line style synchronous belt telescopic devices is driven to rotate, transmits wheel drive synchronous belt and dissipated from rolling wheel
It opens and moves forward synchronous belt along the arm body of telescopic arm, before pushing telescopic arm while synchronous belt is moved along Telescopic boom body
End stretchs out each section of telescopic arm successively, while the terraced stick that each section front end on telescopic arm is arranged in successively is unfolded, emergency worker
It can be climbed on the telescopic mechanical feed ladder of synchronous belt by terraced stick；When the telescopic mechanical feed ladder of recycling synchronous belt,
The rolling wheel on two line style synchronous belt telescopic devices is driven to rotate, rolling wheel is crimped recycling to synchronous belt, recycles in synchronous belt
While, each section that synchronous belt pulls the front end of telescopic arm to make telescopic arm is successively shunk, meanwhile, each section is set on telescopic arm
The terraced stick of front end is successively withdrawn, and the telescopic mechanical feed ladder of synchronous belt of the invention passes through under synchronous belt and telescopic arm synchronous effect
It makes movement and realizes the stretching motion of feeding ladder, it can be achieved that feeding the flexible modulation of terraced telescopic, while convenient for equipment
Storage and transport, with cheap, theory structure is simple, and harmony is good, good reliability feature low to environmental requirement.
Further, the rolling wheel on two line style synchronous belt telescopic devices and transmission wheel pass through drive rod II and transmission respectively
Bar I connection, therefore when the rolling wheel or transmission wheel that drive side rotate, it can guarantee on two line style synchronous belt telescopic devices
Rolling wheel or transmission wheel rotate synchronously, so that operation is more convenient reliable, synchronism is good.
Further, the outer cup of rolling wheel has casing, and the outlet of synchronous belt is offered on casing, the outlet and transmission wheel it
Between be equipped with adjustment wheel for adjusting synchronous carrier state, adjustment wheel is contacted with synchronous belt, and adjustment, which is taken turns, can prevent synchronous belt and machine
Outlet on shell scratches and blocks gram, ensure that synchronous belt smoothly can scatter and recycle.
Further, transmission wheel is equipped with the limiting device for limiting transmission wheel rotation, therefore can guarantee telescopic arm
Its length is able to maintain after being elongated to certain length, ensure that the safety in use process.
Further, synchronous belt of the invention includes the synchronization belt segment that several sections are mutually flexibly connected, and synchronous belt segment includes
Bottom plate and the tooth plate being arranged on bottom plate, all tooth plate spaced sets on synchronous belt, the tooth plate in transmission wheel and synchronous belt
Engagement, when driving transmission wheel rotation, transmission wheel stirs the bottom that tooth plate is mobile to the side of transmission wheel, and tooth plate drive is attached thereto
Plate moves together, and with the rotation of transmission wheel, the bottom plate that subsequent bottom plate pushes front is mobile to the front end of telescopic arm, locates simultaneously
Bottom plate in synchronous belt front end pushes the upper end of telescopic arm successively that each section of telescopic arm is stretched next.
Further, the lower end of telescopic arm is equipped with mounting base, and rolling wheel and transmission wheel are connect with mounting base, in mounting base
It is hinged with the detent frame and rack gear band for preventing the telescopic mechanical feed ladder of synchronous belt from slipping, rack gear band is equipped with for detent frame
Free end carry out the latch of detent, when using feeding ladder, when feeding terraced inclined placement, the first good feeding ladder of branch
The free end of detent frame then by rack gear band fixed placement, then is stuck on rack gear band suitable latch position by telescopic arm part,
Guarantee that telescopic arm, rack gear band and detent 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, it is arranged side by side in mounting base there are two wheel, two wheels are connected by main shaft, and main shaft is mounted on
In mounting base, feeding ladder can be made to facilitate transfer when in use by two wheel sides, so that one can move, supports and return
It takes in ladder.
Further, the front end of telescopic arm is equipped with hook, therefore when in use, telescopic arm is elongated to and needs length
Afterwards, it is mutually fixed by linking up with other fixtures, the safety that can be further ensured that in use process.
[Detailed description of the invention]
Fig. 1 is the three dimensional structure diagram of the telescopic mechanical feed ladder of synchronous belt of the invention.
Fig. 2 is the main view of the telescopic mechanical feed ladder of synchronous belt of the invention.
Fig. 3 is the side view of the telescopic mechanical feed ladder of synchronous belt of the invention.
Fig. 4 is the side sectional view of the telescopic mechanical feed ladder of synchronous belt of the invention.
Fig. 5 is the lateral three dimensional structure diagram of the telescopic mechanical feed ladder of synchronous belt of the invention.
Fig. 6 is the sectional view after synchronous belt and telescopic arm installation of the invention.
Wherein, 1- shaft sleeve, 2- after-poppet, 3- hand cradle, 4- spacer pin I, 5- handle, 6-V type frame, 7- bull stick II, 8- axis
III, 9- bearing, 10- telescopic arm, 10-1- opening sliding slot, 11- outer top panel, 12- inner top panel, 13- synchronous belt, 13-1- synchronous belt
Section, 13-1-1- bottom plate, 13-1-2- tooth plate, 14- transmission wheel, 14-1- location hole, 15- gag lever post, the fixed hood of 16-, 17- tune
Whole wheel, 18- axis II, 19- fore-stock, 20- casing, 21- axis I, 22- bull stick I, 23- rolling wheel, 24- shielding plate, 25- detent disk,
26- spacer pin II, 27- hook, 28- hold-down support, 29- snap-gauge, 30- ladder stick, 31- detent frame, 32- wheel, 33- end cap, 34-
Rack gear band, 35- main shaft, 36- drive rod I, 37- drive rod II.
[specific embodiment]
It is next with reference to the accompanying drawing that the present invention is further illustrated.
As shown in figs 1 to 6, the telescopic mechanical feed ladder of synchronous belt of the invention, it is same including two line styles arranged side by side
Step band telescopic device, line style synchronous belt telescopic device include rolling wheel 23, transmission wheel 14 and telescopic arm 10, the lower end peace of telescopic arm 10
Equipped with mounting base, rolling wheel 23 and transmission wheel 14 are connect with mounting base, are hinged in mounting base for preventing synchronous belt telescopic
The detent frame 31 and rack gear band 34 that mechanical feed ladder slips, rack gear band 34 carry out detent equipped with the free end for detent frame 31
Latch, is also arranged side by side that there are two wheels 32 in mounting base, and wheel 32 is by 33 location and installation of end cap in 35 both ends of main shaft, main shaft
35 are mounted in mounting base, and rack gear band 34 and main shaft 35 are hinged, and rolling wheel 23 and transmission wheel 14 are respectively connected with driving device, rolling wheel 23
It is arranged at the bottom end of telescopic arm 10 with transmission wheel 14, is arranged with synchronous belt 13 on rolling wheel 23, the front end of synchronous belt 13 and flexible
The front end of arm 10 connects, and synchronous belt 13 is arranged along the arm body of telescopic arm 10, and synchronous belt is arranged on rolling wheel 23 in transmission wheel 14
13 outlet, for driving synchronous belt 13 to stretch out, and further, driving telescopic arm 10 extends；Two line style synchronous belt telescopic devices
On rolling wheel 23 connected respectively by drive rod II37 with drive rod I36 with transmission wheel 14, two line style synchronous belt telescopic devices
Telescopic arm 10 between be connected with terraced stick 30, the front end of each section on telescopic arm 10 is arranged in terraced stick 30；Telescopic arm 10 most before
End is equipped with hook 27.
The driving device that rolling wheel 23 and transmission wheel 14 are all connected with is manual driving device, specially one in 23 shaft of rolling wheel
Bull stick I22 is arranged to drive rolling wheel 23 to rotate in end, and bull stick II7 is arranged in one end of 14 shaft of transmission wheel to drive 14 turns of transmission wheel
It is dynamic.
Driving device can also use Vidacare corp, the form of Vidacare corp are as follows: the one of 23 shaft of rolling wheel
End connects driving motor with one end of 14 shaft of transmission wheel, directly drives rolling wheel 23 by driving motor and transmission wheel 14 rotates.
As shown in Figure 4 and Figure 5, the outer cup of rolling wheel 23 has casing 20, and the outlet of synchronous belt 13 is offered on casing 20, should
The adjustment wheel 17 for adjusting 13 state of synchronous belt is equipped between outlet and transmission wheel 14, adjustment wheel 17 is contacted with synchronous belt 13.
As shown in figure 5, transmission wheel 14 is equipped with the limiting device for limiting the rotation of transmission wheel 14, specifically, transmission wheel
14 offer several location holes 14-1 along its circumferential direction, and the outside of transmission wheel 14 is covered with fixed hood 16, and fixed hood 16 is upper
There is side wall in the two sides of transmission wheel 14, several through-holes are offered on wall, limiting device includes gag lever post 15, and limiting device is logical
It crosses gag lever post 15 and passes through the through-hole on fixed 16 side wall of hood and the location hole in transmission wheel 14 to limit the rotation of transmission wheel 14.
Such as Fig. 1, Fig. 2, shown in fig. 4 to fig. 6, synchronous belt 13 includes the synchronization belt segment 13-1 that several sections are mutually flexibly connected,
Synchronous belt segment 13-1 includes bottom plate 13-1-1 and the tooth plate 13-1-2 that is arranged on bottom plate, all tooth plate 13- on synchronous belt 13
1-2 spaced set, transmission wheel 14 are engaged with the tooth plate 13-1-2 on synchronous belt 13；It is provided along its length on telescopic arm 10
It is stretched from the opening of opening sliding slot 10-1 end for accommodating opening the sliding slot 10-1, tooth plate 13-1-2 of synchronous belt segment 13-1
Out.
Mounting base of the 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 connect with the bottom end of telescopic arm 10；24 other end of shielding plate is connected to casing 20 by bolt group, and shielding plate 24 is used for will
Synchronous belt 13 imports in the opening sliding slot 10-1 on telescopic arm 10, prevents the end of synchronous belt segment 13-1 and the bottom end head of telescopic arm
It collides and gets stuck, enable synchronous belt 13 that telescopic arm 10 smoothly to be driven to extend；Extension end, that is, front end of telescopic arm 10
Outer top panel 11 is welded at top；Outer top panel 11 is connected with inner top panel 12 by bolt group；Inner top panel 12 is welded in synchronous belt 13
Overhanging end, that is, front end, outer top panel 11 are connected to hold-down support 28 by bolt group；Hold-down support 28 is threadingly attached to link up with
27；The proximal end of the every section of telescopic arm 10 is welded with semicircular snap-gauge 29；29 centre of snap-gauge is passed through for terraced stick 30；
The other end of synchronous belt 13 is fixed on rolling wheel 23 by bolt group；Rolling wheel 23 is connected to axis I 21 by propeller boss；Axis
I 21 overhanging end is provided with through-hole, and bull stick I 22 passes 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 limited；After-poppet 2 and fore-stock 19 are fixed on detent disk 25, after-poppet 2 and hand cradle 3 lower end with
Main shaft 35 connects；19 other end of fore-stock is tube-in-tube structure and is placed on II 18 both ends of axis；Detent disk 25 is sleeved on axis I21 and leads to
It crosses bolt group and is fixed on 20 side of casing；By propeller boss connection equipped with adjustment wheel 17, V-type frame 6 is equipped with and is used at axis II 18 middle part
With the sleeve of axis II socket, axis is cased with V-type frame 6 at II 18 both ends；The respective card slot of 6 other end of V-type frame engaging detent disk 25
Place, the intermediate point of V-type frame 6 offers through-hole, and is placed at the extension end of hand cradle 3 by the through-hole；Axis II 18 is connected by rod piece
Connect fixed hood 16；Fixed 16 bosom of hood is equipped with transmission wheel 14；Transmission wheel 14 is connected to axis III 8 by propeller boss, transmission
Location hole 14-1 used for positioning is provided on the wheel body of wheel 14, location hole 14-1 is through-hole, and location hole 14-1 is worn for gag lever post 15
It crosses, while locating rod 15 also extends through the side wall for being located at 14 two sides of transmission wheel on fixed hood 16, offers several groups on the side wall
Through-hole is passed through for locating rod 15；III 8 middle part of axis is equipped with transmission wheel 14, and is equipped with bearing 9, the overhanging end of axis III 8 in its two sides
It is provided with through-hole, 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 II 7 end of bull stick
Through-hole bull stick II7 is limited.
The engaging tooth (i.e. tooth plate 13-1-2) of synchronous belt 13 is mutual with the tooth in transmission wheel 14 and adjustment wheel 17 during exercise
Engagement.
10 one end of telescopic arm successively connects shielding plate 24 and hand cradle 3 by bolt group, and the other end is connected to outer top panel 11；It stretches
Two Vacancies up and down are contained in 10 section of contracting arm, and upper Vacancy is opening sliding slot 10-1, and lower Vacancy is stretching for each rank telescopic arm
Contracting space.
As shown in figures 1 and 3,10 one end of detent frame of the invention is placed at one end extension end of hand cradle 3, and the other end is placed in
At latch on rack gear band 34,12 semicircular in shape of snap-gauge is simultaneously welded at the nearly extension end of telescopic arm 10, and terraced stick 30 is from snap-gauge 29
Through setting, every section telescopic arm 4 is welded with one group of two symmetrical snap-gauge for center, and feeding ladder of the invention is welded in parallel
Two groups of snap-gauges 12.
The course of work of feeding ladder of the invention is as follows:
When mechanical feed ladder telescopic using synchronous belt, the transmission wheel 14 on two line style synchronous belt telescopic devices is driven
Rotation, transmission wheel 14 drive synchronous belt 13 to scatter from rolling wheel 23 and move forward synchronous belt 13 along the arm body of telescopic arm 10,
Each section for pushing the front end of telescopic arm 10 to make telescopic arm 10 while synchronous belt is moved along 10 arm body of telescopic arm is successively stretched out, simultaneously
The terraced stick 30 that each section front end on telescopic arm 10 is arranged in successively is unfolded, by the flexible of the telescopic mechanical feed ladder of entire synchronous belt
After part supports well, the rotation of rack gear band is put surely, then detent frame is stuck in again in the latch of rack gear band, keeps synchronous belt telescopic
Mechanical feed ladder supporting & stablizing；
When the telescopic mechanical feed ladder of recycling synchronous belt, 23 turns of rolling wheel on two line style synchronous belt telescopic devices are driven
Dynamic, rolling wheel 23 is crimped recycling to synchronous belt 13, while synchronous belt 13 recycles, before synchronous belt 13 pulls telescopic arm 10
End shrinks each section of telescopic arm 10 successively, meanwhile, the terraced stick 30 that each section front end on telescopic arm 10 is arranged in successively is withdrawn.
Claims (7)
1. synchronous belt telescopic mechanical feed ladder, which is characterized in that including two line style synchronous belt telescopic devices arranged side by side,
Line style synchronous belt telescopic device includes rolling wheel (23), transmission wheel (14) and telescopic arm (10), and rolling wheel (23) and transmission wheel (14) are equal
It is connected with driving device, rolling wheel (23) and transmission wheel (14) are arranged at the bottom end of telescopic arm (10), and rolling wheel is arranged on (23)
The front end of synchronous belt (13), synchronous belt (13) is connect with the front end of telescopic arm (10), and synchronous belt (13) is along telescopic arm (10)
Arm body setting, transmission wheel (14) be arranged on rolling wheel (23) synchronous belt (13) outlet, for drive synchronous belt (13) stretch out,
And further driving telescopic arm (10) extends, and is connected with terraced stick between the telescopic arm (10) of two line style synchronous belt telescopic devices
(30), the front end of each section is arranged on telescopic arm (10) in terraced stick (30)；
The synchronous belt (13) includes the synchronization belt segment (13-1) that several sections are mutually flexibly connected, and synchronous belt segment (13-1) includes bottom
Plate (13-1-1) and the tooth plate (13-1-2) being arranged on bottom plate, all tooth plates (13-1-2) are equidistantly set on synchronous belt (13)
It sets, transmission wheel (14) is engaged with the tooth plate (13-1-2) on synchronous belt (13)；
The opening sliding slot (10-1) for accommodating synchronous belt segment (13-1), tooth are provided along its length on the telescopic arm (10)
The end of plate (13-1-2) is stretched out from the opening of opening sliding slot (10-1)；
The outer cup of the rolling wheel (23) has casing (20), offers the outlet of synchronous belt (13) on casing (20), the outlet with
The adjustment wheel (17) for adjusting synchronous belt (13) state is equipped between transmission wheel (14), adjustment wheel (17) connects with synchronous belt (13)
Touching.
2. the telescopic mechanical feed ladder of synchronous belt according to claim 1, which is characterized in that described two line style synchronous belts
Rolling wheel (23) and transmission wheel (14) on telescopic device pass through drive rod II (37) and drive rod I (36) connection respectively.
3. the telescopic mechanical feed ladder of synchronous belt according to claim 1, which is characterized in that set on the transmission wheel (14)
There is the limiting device for limiting transmission wheel (14) rotation.
4. the telescopic mechanical feed ladder of synchronous belt according to claim 1, which is characterized in that under the telescopic arm (10)
End is equipped with mounting base, and rolling wheel (23) and transmission wheel (14) connect with mounting base, be hinged in mounting base for preventing from synchronizing
With detent frame (31) and rack gear band (34) that telescopic mechanical feed ladder slips, rack gear band (34) is equipped with for detent frame (31)
The latch of free end progress detent.
5. the telescopic mechanical feed ladder of synchronous belt according to claim 4, which is characterized in that set side by side in the mounting base
It sets there are two wheel (32), two wheels (32) are connected by main shaft (35), and main shaft (35) is mounted in mounting base, rack gear band
(34) hinged with main shaft (35).
6. the telescopic mechanical feed ladder of synchronous belt according to claim 1, which is characterized in that the telescopic arm (10) is most
Front end is equipped with hook (27).
7. the application method of the telescopic mechanical feed ladder of synchronous belt, it is characterised in that include the following steps:
When mechanical feed ladder telescopic using synchronous belt, the transmission wheel (14) on two line style synchronous belt telescopic devices is driven to turn
It is dynamic, transmission wheel (14) driving synchronous belt (13) scatter from rolling wheel (23) and make synchronous belt (13) along telescopic arm (10) arm body to
Preceding movement, synchronous belt push the front end of telescopic arm (10) to make each section of telescopic arm (10) while mobile along telescopic arm (10) arm body
It successively stretchs out, while the terraced stick (30) of each section front end is set on telescopic arm (10) and is successively unfolded；
When the telescopic mechanical feed ladder of recycling synchronous belt, the rolling wheel (23) on two line style synchronous belt telescopic devices is driven to turn
Dynamic, rolling wheel (23) is crimped recycling to synchronous belt (13), and while synchronous belt (13) are recycled, synchronous belt (13) pulls flexible
The front end of arm (10) shrinks each section of telescopic arm (10) successively, meanwhile, the ladder of each section front end is set on telescopic arm (10)
Stick (30) is successively withdrawn.
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 |
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| CN106988668A CN106988668A (en) | 2017-07-28 |
| CN106988668B true CN106988668B (en) | 2019-05-03 |
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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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| CN106988668A (en) | 2017-07-28 |
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