CN105947924A - Telescopic lifting device and control method thereof - Google Patents
Telescopic lifting device and control method thereof Download PDFInfo
- Publication number
- CN105947924A CN105947924A CN201610323487.6A CN201610323487A CN105947924A CN 105947924 A CN105947924 A CN 105947924A CN 201610323487 A CN201610323487 A CN 201610323487A CN 105947924 A CN105947924 A CN 105947924A
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- telescopic
- ratchet
- pipe
- tube
- threaded
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- 238000000034 method Methods 0.000 title claims description 12
- 230000000694 effects Effects 0.000 claims abstract description 15
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- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- IYLGZMTXKJYONK-ACLXAEORSA-N (12s,15r)-15-hydroxy-11,16-dioxo-15,20-dihydrosenecionan-12-yl acetate Chemical compound O1C(=O)[C@](CC)(O)C[C@@H](C)[C@](C)(OC(C)=O)C(=O)OCC2=CCN3[C@H]2[C@H]1CC3 IYLGZMTXKJYONK-ACLXAEORSA-N 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
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- IYLGZMTXKJYONK-UHFFFAOYSA-N ruwenine Natural products O1C(=O)C(CC)(O)CC(C)C(C)(OC(C)=O)C(=O)OCC2=CCN3C2C1CC3 IYLGZMTXKJYONK-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/14—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through pawl-and-ratchet mechanisms
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention relates to a telescopic lifting device comprising a base, a driving device, a telescopic rotation transmission device and a lifting column. The driving device is fixed to the base and comprises a driving motor and a controller which are in signal connection; the lifting column is connected with the driving motor through the telescopic rotation transmission device; the lower portion of the lifting column is fixedly connected to the base; and the upper portion of the lifting column is connected with the telescopic rotation transmission device. The telescopic lifting device has the beneficial effects that each segment of telescopic structure is provided with a thread screw-in pipe and a telescopic pipe; the telescopic pipes are controlled to rotate through the driving motor; then by means of the transmission between the telescopic pipes, the thread screw-in pipes are driven to stretch or shorten in the screw-in direction of threads; and by means of overall design, use is convenient, operation is convenient and fast, effects caused by the using environment are small in use, and the telescopic lifting device can be stretched long.
Description
Technical field
The invention belongs to flexible field of mechanical technique, be specifically related to a kind of Telescopic hoisting apparatus and control method thereof.
Background technology
Rod, rod, bar, stake, post isoline elongate object are the objects during people live through being commonly encountered, in day
Often in life, difference as required usually needs to adjust the length of elongate linear object, so how facilitates
Length or the height of ground adjustment straight line elongated columnar object are people's usually problems faced, equally to length
Intensity and telescopicing performance after the elongation of shape object are also people's concerns；Especially during speedily carrying out rescue work,
When playing a supportive role with it in short Can Ban gap, ruins, it is badly in need of one and uses flexibly, easy to operate
Telescopic support device.
General rod, rod, bar, stake, post application in, be required for determining rod, rod, bar, stake, post
Length or height, to be easily installed in the structure of application, once than intended long just take to fracture or
Sawed-off mode, and short just take to mend long, padded mode once than intended, therefore can cause use
During inconvenience.Prior art, in object support, generally uses the instruments such as jack to be supported,
But jack in-convenience in use, and use environment be easily subject to limit, bring a lot to user
Puzzlement.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides the dress of a kind of multi-joint telescoping lifting
Putting, often joint stretching structure is both provided with being threaded into pipe and telescoping tube, turns by driving motor to control telescoping tube
Dynamic, then driven by the transmission between telescoping tube and be threaded into pipe and extend along the precession direction of screw thread
Or shorten；By to overall design, easy to use, simple operation, and be subject to when using to use environment
Impact less, draw ratio is bigger.
The technical solution adopted in the present invention is: a kind of Telescopic hoisting apparatus, including: base, driving means,
Telescopic rotating actuating device and lifting column, described driving means is fixed on described base, described driving means
Including driving motor and controller, described driving motor is connected with controller signals, and described lifting column passes through
Described Telescopic rotating actuating device is connected with described driving motor；The bottom of described lifting column is fixedly connected on
On described base, its top is connected with described Telescopic rotating actuating device.
The further optimization of technical solution of the present invention, described Telescopic rotating actuating device includes driving pipe, stretching
Pipe and connection tube, described telescoping tube is extended auxiliary tubes by least two and forms, and all adjacent described flexible
Between auxiliary tube, head and the tail are mutually socketed by holding section, described extension auxiliary tube cross section be shaped as polygon；
The top of described driving pipe is connected with the described extension auxiliary tube of described telescoping tube bottom by described holding section
Connecing, lower end is connected with described driving motor；Described connection tube is by described holding section and described telescoping tube
The described extension auxiliary tube of upper end is connected, the medial surface of described connection tube or lateral surface and described lifting column
Between face connect.
The further optimization of technical solution of the present invention, described holding section includes being arranged on described extension auxiliary tube one
The first annular projection on end lateral surface and the second ring being arranged on described extension auxiliary tube other end medial surface
Shape is protruding, described first annular projection external diameter equal on the described extension auxiliary tube medial surface being adjacent
The external diameter of described second annular projection.
The further optimization of technical solution of the present invention, described lifting column includes support column and engaging column, described
The bottom of dagger is fixed on described base, and described support column top is by described engaging column and described connection tube
Face connects；Described support column is threaded into pipe by least two and forms, and all adjacent described in be threaded into
Pipe is cooperated by the precession screw thread being opened in it on lateral surface.
The further optimization of technical solution of the present invention, the top and bottom of described precession screw thread are provided with spin-ended
Bite, described spin-ended bite occurs during work in order to prevent adjacent two to be threaded into pipe
Come off.
The further optimization of technical solution of the present invention, described precession screw thread be triangle thread, rectangular thread or
Any one in person's trapezoidal thread, and described precession screw thread includes at least two parallel screw threads.
The further optimization of technical solution of the present invention, described driving is additionally provided with between pipe and described driving motor
Anti-convolution ratchet component, described anti-convolution ratchet component includes ratchet master and contracting fall ratchet control piece, described
Offering the fixing hole matched with described driving tube shape in the middle part of ratchet master, described ratchet master passes through institute
Stating fixing hole and be arranged on the bottom of described driving pipe, described contracting fall ratchet control piece is relative with described ratchet master
Should.
The further optimization of technical solution of the present invention, also includes motor protecting cover, the end of described motor protecting cover
End is fixed on described base, and described ratchet control piece is fixedly installed on the inwall of described motor protecting cover.
The further optimization of technical solution of the present invention, also includes anti-rotating protection top cover, and described anti-rotating protection top
Set bottom surface on be provided with flat turn pulley, described anti-rotating protection top cover by described flat turn pulley respectively with described
Lifting column is connected, particular by the connection that the center of circle of both bottom surfaces is turnable.
A kind of method using described Telescopic hoisting apparatus to control lifting, it is characterised in that include following step
Rapid:
S1, by controller start drive motor；
S2, driving motor drive driving pipe to rotate under the effect of gear or drive shaft, will by driving pipe
Rotatory force passes to telescoping tube and connection tube successively, and then connection tube drives engaging column to rotate；
S3, engaging column rotate during, due to engaging column be threaded into pipe and be threaded into managing it
Between be threaded, so making the precession direction that is threaded into managing threadingly under the effect that engaging column rotates
Realize the elongation of support column；
S4, when the lifting column in step S3 rises to predetermined altitude, control anti-convolution ratchet by controller
Component, by locked for driving pipe, and then makes the stable state in elongation of lowering or hoisting gear；
S5, by controller, anti-convolution ratchet component is opened when needs shorten, control to drive motor simultaneously
Reversion, by step S2 and S3 reverse operating, so that retractor device is returned to beginning state.
The invention have the benefit that
1, by driving motor to control the flexible of Telescopic rotating actuating device drive lifting column, it is possible to make lifting column
Use more flexible, and sheathed by carrying out between Telescopic rotating actuating device and lifting column, can reduce
Taking up room of whole device, solves the problem that retractor device uses environment to be limited to, additionally by arranging control
Device processed, intelligence degree is higher, controls enhanced convenience, has abandoned the Mechanical course side of existing jack
Formula.
2, the telescoping tube that can freely stretch it is set and is threaded into pipe, it is possible to combining motor Spin Control screw thread
Elongating or shortening of precession pipe, and then make fine straight line elongate object be adjusted to the length being suitable for, it addition,
It is respectively provided with spin-ended bite, it is possible to extend to maximum being threaded into pipe in the top and bottom of precession screw thread
It is automatically stopped during length, and can also prevent from being threaded between pipe moving back in precession or rotation by this setting
Journey falls off.
3, retractor device can be fixed on the collapsing length of needs by arranging anti-convolution ratchet component, make
With flexibly, operability is higher, and is prevented from automatic retracted by the control of screw thread and ratchet, uses
The most safe and reliable.
4, the top at retractor device arranges anti-rotating protection top cover, it is possible to when being supported work, makes screw thread
Do not have pivoting friction between precession pipe and supported objects, thus ensure that the stability of support.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of Telescopic hoisting apparatus of the present invention；
Fig. 2 is the structural representation being threaded into pipe in Telescopic hoisting apparatus of the present invention.
In figure: 1, base；2, telescoping tube；21, pipe is driven；3, it is threaded into pipe；31, spin-ended occlusion
Portion；4, anti-rotating protection top cover；41, flat turn pulley；5, ratchet master；51, contracting fall ratchet control piece；6、
Motor protecting cover；7, motor is driven.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below by the technical side to the present invention
Case is described in detail.Obviously, described embodiment is only a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
Other embodiments all obtained by the premise of the property made work, broadly fall into the scope that the present invention is protected.
As it is shown in figure 1, the invention provides a kind of Telescopic hoisting apparatus, including: base 1, driving means,
Telescopic rotating actuating device and lifting column, driving means is fixed on base 1, and driving means includes driving electricity
Machine 7 and controller, drive motor 7 to be connected with controller signals, and lifting column filled by Telescopic rotating transmission
Putting and be connected with driving motor 7, controller can control to drive the rotating of motor 7；The bottom of lifting column
Being fixedly connected on base 1, its top is connected with Telescopic rotating actuating device.Drive motor 7 by band
The rotation of dynamic Telescopic rotating actuating device, realizes the lifting of lifting column.
Telescopic rotating actuating device and lifting column are all fixedly installed on base 1, at concrete setting up procedure
In can be according to circumstances by both are the most sheathed, between the two can effectively will the power of rotation as long as ensureing
Continue transmission.
Telescopic rotating actuating device includes driving pipe 21, telescoping tube 2 and connection tube, and telescoping tube 2 is by least two
Root extends auxiliary tube composition, and between all adjacent flexible auxiliary tubes, head and the tail are mutually socketed by holding section,
Extend auxiliary tube cross section is shaped as polygon, can make between adjacent pipe fitting not by arranging polygon
Relative rotation can occur such that it is able to effectively the rotation driving motor 7 be sent on lifting column；Drive
The top of dynamic pipe 21 is connected by the extension auxiliary tube of holding section with telescoping tube 2 bottom, lower end and driving
Motor 7 is connected；Connection tube is connected with telescoping tube 2 extension auxiliary tube topmost by holding section,
When being configured telescoping tube 2, only make it have the effect that transmission rotates, in the process that whole device works
In be the flexible of the telescoping tube 2 that realizes of the lifting by lifting column；The medial surface of connection tube or lateral surface
Being connected with face between lifting column, this design is to be connected by the face between connection tube with lifting column, it is possible to make liter
Fall post and telescoping tube 2 synchronous axial system.
The concrete connection between telescoping tube 2 is a limit in big set, plays the engaging stretching structure on limit outside little set,
Holding section includes being arranged on the first annular projection extended on the lateral surface of auxiliary tube one end and being arranged on extension auxiliary
The second annular projection on pipe other end medial surface, the first annular projection external diameter equal to prolonging of being adjacent
Stretch the external diameter of the second annular projection on auxiliary tube medial surface.By the first annular projection and the second annular projection it
Between be mutually clamped, it is possible to during telescoping tube 2 is flexible, prevent coming off between tube and tube.
As in figure 2 it is shown, lifting column includes support column and engaging column, the bottom of support column is fixed on base 1,
Support column top is connected with connection tube face by engaging column；Support column is threaded into pipe 3 by least two and forms,
And all adjacent pipes 3 that is threaded into is cooperated by the precession screw thread being opened in it on lateral surface.?
Rotating of telescoping tube 2 is capable of being threaded into the rotation of pipe 3, then by joining between screw thread under drive
Close the lifting effect realizing support column.It addition, be provided with spin-ended occlusion in the top and bottom of precession screw thread
Portion 31, spin-ended bite 31 occurs during work in order to prevent adjacent two to be threaded into pipe 3
Come off.
Precession screw thread is any one in triangle thread, rectangular thread or trapezoidal thread, as required
The demand of regulation retractor device stretching speed, can arrange the screw thread of different pitch, and by arranging difference
The precession screw thread of form, it is possible to make retractor device bear different support degrees, adjust screw thread as required
Width uses the most flexible.It addition, precession screw thread is arranged to parallel two, can be in the mistake rotated
Journey has more preferable gmatjpdumamics, supports the most stable, and be designed to spin-ended bite by this
31 are arranged in a wherein thread groove of two parallel threads, have spin-ended occlusion at these thread groove two ends
Portion 31, corresponding spiral shell rib is only present in the rear some in screw rod precession direction, it is possible to reach more preferable spin-ended effect
Fruit and occlusion effect, the most also can be arranged on spin-ended bite on the spiral shell rib of screw thread, be equally reached relatively
Good spin-ended effect and occlusion effect；Same precession screw thread can be arranged to bottom by trapezoidal thread, trapezoidal
Arranging angular thread on the upper end face of screw thread, this design is also to set up theory, simply according to double parallel threads
The locus of screw thread is converted, equally spin-ended screw thread is arranged on any one of trapezoidal or triangle
On bar screw thread, the effect of gmatjpdumamics that is spin-ended and that increase screw thread can either be reached, it is also possible to adjust more neatly
Whole precession process and the precession dynamics of less driving motor.
Drive and be additionally provided with anti-convolution ratchet component, anti-convolution ratchet component bag between pipe 21 and driving motor 7
Include ratchet and contracting fall ratchet control piece 51, in the middle part of ratchet, offer and drive the fixing of pipe 21 mating shapes
Hole, ratchet is arranged on the bottom driving pipe 21 by fixing hole, and contracting fall ratchet control piece 51 is relative with ratchet
Should.Also include that motor protecting cover 6, the bottom of motor protecting cover 6 are fixed on base 1, and ratchet controls
Device is fixedly installed on the inwall of motor protecting cover 6.
By arranging and anti-convolution ratchet component and motor protecting cover 6, can valve while protection motor
Can facilitate the work of ratchet, and offer motor axis hole arbor of powering on motor protecting cover 6 top horizontal
Bar stretches out, and outside this motor protecting cover 6 top, the gear position in ratchet master 5 position arranges contracting fall spine
Wheel control piece 51 (concrete contracting fall ratchet control piece 51 is made up of contracting fall ratchet magnetic), in contracting fall ratchet control
When product 51 is without magnetic action, ratchet master 5 under the control of ratchet, precessional motion that can only be unidirectional, directly
After being threaded into pipe 3 final lengths, owing to telescoping tube 2 top is with to be threaded into pipe 3 top fixing even
Connecing, ratchet master 5 is blocked by the ratchet of base 1 with anti-convolution ratchet component in bottom, makes to be threaded into pipe 3
Can not circle round in relative telescopic two ends, maintain whole device steady statue after elongation；In contracting fall ratchet control
When product 51 has magnetic action, coordinate the reversion of motor, contraction or the reduction of whole device can be realized.
Also include being provided with in anti-rotating protection top cover 4, and the bottom surface of anti-rotating protection top cover 4 flat turn pulley 41,
Anti-rotating protection top cover 4 is connected with lifting column respectively by flat turn pulley 41.
A kind of method using Telescopic hoisting apparatus to control lifting, comprises the following steps:
S1, by controller start drive motor；
S2, driving motor drive driving pipe to rotate under the effect of gear or drive shaft, will by driving pipe
Rotatory force passes to telescoping tube and connection tube successively, and then connection tube drives engaging column to rotate；
S3, engaging column rotate during, due to engaging column be threaded into pipe and be threaded into managing it
Between be threaded, so making the precession direction that is threaded into managing threadingly under the effect that engaging column rotates
Realize the elongation of support column；
S4, when the lifting column in step S3 rises to predetermined altitude, control anti-convolution ratchet by controller
Component, by locked for driving pipe, and then makes the stable state in elongation of lowering or hoisting gear；
S5, by controller, anti-convolution ratchet component is opened when needs shorten, control to drive motor simultaneously
Reversion, by step S2 and S3 reverse operating, so that retractor device is returned to beginning state.
The use direction of retractor device can be arbitrarily placed, it is possible to use base is straight during the use of device
Contact object to be supported, it is possible to make the object that top contact supports.
The further optimisation technique point of technique scheme is:
Telescoping tube 2 can also be evolved the spin-ended thread barrel of rotation into more piece, for circular cavity cylinder, also with screw thread
Spiral shell rib rotation mode is engaged, and the precession direction of telescoping tube 2 is phase with the precession direction being threaded into pipe 3
To inversely, but the development length that the circle rotated causes is consistent, and the rotation of the more piece that telescoping tube 2 comprises is spin-ended
Thread barrel is the whole outer layer being enclosed within and being threaded into pipe 3, and after telescoping tube 2 elongation, the rotation of least significant end stops
Rotation thread barrel is mechanically connected with being threaded into the spin-ended thread barrel of rotation of least significant end after pipe 3 extends, and this so may be used
To ensure to drive during telescoping tube 2 rotates to be threaded into pipe 3 synchronous axial system.
Telescoping tube 2 is set to the spin-ended thread barrel of rotation of more piece, avoids the need for arranging above-mentioned base structure side
Anti-rotating protection top cover 4 in case, because the precession direction of telescoping tube 2 and the precession direction being threaded into pipe 3
For the most reverse, and the top after rotating away is mechanically connected, so being threaded into the revolving force of pipe 3
Just offset with telescoping tube 2 despining power, therefore need not the protection structure of anti-rotating protection top cover 4.
Driving motor 7 to be fixed on base 1,6 driving motors 7 of motor protecting cover are protected and cover on base
On 1, and motor protecting cover 6 can also provide rotation platform for anti-convolution ratchet component and telescoping tube 2.
After the rotating shaft driving motor 7 arrives rotation platform through motor protecting cover 6, by two groups of engaged gears
Motor torque is flowed to telescoping tube 2, the precession direction of telescoping tube 2 and the precession side being threaded into pipe 3
To for relatively reverse, i.e. one left-handed for elongation time, another dextrorotation is elongation, this relative counter-rotating side
The formation of formula is to use same motor to be rotated by two groups of engaged gears.
When driving motor 7 to invert, rotated by these two groups of engaged gears, make to be threaded into pipe 3 and telescoping tube
2 is all that the direction stepped back of screw thread rotates, after extending due to telescoping tube 2 the spin-ended thread barrel of rotation of least significant end with
After being threaded into pipe 3 elongation, the connection tube of least significant end is mechanically connected, and therefore drives the revolving force of motor 7 to make
Whole frame for movement is shunk under the effect of screw thread.
Driving around the outer wall of pipe 21 bottom is ratchet master 5, has a manual or machine outside ratchet master 5
The contracting fall ratchet control piece 51 that tool controls, reaches predetermined length or height when being threaded into pipe 3 with telescoping tube 2
Time, drive motor 7 to quit work, by the ratchet master of contracting fall ratchet control piece 51 locked driving pipe 21 bottom
Dish 5, makes to be threaded into pipe 3 and all stops operating with telescoping tube 2, owing to being threaded into the precession direction of pipe 3
It is relative reverse with the precession direction of telescoping tube 2, when the top pressure experienced of extension body, telescoping tube 2
Between rotate relative to reverse owing to the slope sliding force of screw thread can be formed, whole top pressure can form " line in the Eight Diagrams "
Font pressure transmission is to the ratchet master 5 of driving pipe 21 bottom, by contracting fall ratchet control piece 51, respectively at spiral shell
Stricture of vagina precession pipe 3 makes under supporting with the frictional force of spiral shell rib with the screw thread of telescoping tube 2 at the long cylinder after whole prolongation
In stable state.
Driving can be by driving the drive shaft direct controlling and driving pipe of motor 7 between motor 7 and driving pipe 21
The rotation of 21, it is possible to connected the rotation controlling to drive pipe 21 by the grinding tooth between gear.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
Described it is as the criterion with scope of the claims.
Claims (10)
1. a Telescopic hoisting apparatus, it is characterised in that including: base (1), driving means, flexible
Rotary actuator and lifting column, described driving means is fixed on described base (1), described driving means
Including driving motor (7) and controller, described driving motor (7) is connected with controller signals, and described
Lifting column is connected with described driving motor (7) by described Telescopic rotating actuating device；Described lifting column
Bottom is fixedly connected on described base (1), and its top is connected with described Telescopic rotating actuating device.
Telescopic hoisting apparatus the most according to claim 1, it is characterised in that: described Telescopic rotating passes
Dynamic device includes driving pipe (21), telescoping tube (2) and connection tube, and described telescoping tube (2) is by least two
Extend auxiliary tube composition, and between all adjacent described flexible auxiliary tubes, head and the tail be mutually socketed by holding section,
Described extension auxiliary tube cross section be shaped as polygon；Described card is passed through on the described top driving pipe (21)
Conjunction portion is connected with the described extension auxiliary tube of described telescoping tube (2) bottom, lower end and described driving motor
(7) it is connected；Described connection tube is prolonged described in described telescoping tube (2) the top by described holding section
Stretching auxiliary tube to be connected, between medial surface or lateral surface with the described lifting column of described connection tube, face is connected.
Telescopic hoisting apparatus the most according to claim 2, it is characterised in that: described holding section includes
The first annular projection being arranged on the lateral surface of described extension auxiliary tube one end and be arranged on described extension auxiliary tube
The second annular projection on other end medial surface, described first annular projection external diameter equal to being adjacent
The external diameter of described second annular projection on described extension auxiliary tube medial surface.
Telescopic hoisting apparatus the most according to claim 2, it is characterised in that: described lifting column includes
Support column and engaging column, the bottom of described support column is fixed on described base (1), described support column top
It is connected with described connection tube face by described engaging column；Described support column is threaded into managing (3) by least two
Composition, and all adjacent described in be threaded into managing (3) by the precession screw thread being opened in it on lateral surface
Cooperate.
Telescopic hoisting apparatus the most according to claim 4, it is characterised in that: described precession screw thread
Top and bottom are provided with spin-ended bite (31), and described spin-ended bite (31) is adjacent in order to prevent
Two are threaded into managing (3) and fall off during work.
Telescopic hoisting apparatus the most according to claim 5, it is characterised in that: described precession screw thread is
Any one in triangle thread, rectangular thread or trapezoidal thread, and described precession screw thread includes at least
Article two, parallel screw thread.
7. according to the Telescopic hoisting apparatus according to any one of claim 2-6, it is characterised in that drive described in:
Anti-convolution ratchet component, described anti-convolution spine it is additionally provided with between dynamic pipe (21) and described driving motor (7)
Wheel component includes that ratchet master (5) and contracting fall ratchet control piece (51), described ratchet master (5) middle part are left
Being provided with and the described fixing hole driving pipe (21) mating shapes, described ratchet master (5) is by described solid
Determine hole and be arranged on the described bottom driving pipe (21), described contracting fall ratchet control piece (51) and described ratchet
Master (5) is corresponding.
Telescopic hoisting apparatus the most according to claim 7, it is characterised in that: also include electric motor protecting
Cover (6), the bottom of described motor protecting cover (6) is fixed on described base (1), and described ratchet control
Product (51) is fixedly installed on the inwall of described motor protecting cover (6).
Telescopic hoisting apparatus the most according to claim 7, it is characterised in that: also include anti-rotating protection
Flat turn pulley (41) it is provided with in top cover (4), and the bottom surface of described anti-rotating protection top cover (4), described anti-
Rotation protection top cover (4) is connected with described lifting column by described flat turn pulley (41).
10. using the method that the Telescopic hoisting apparatus described in claim 9 controls lifting, its feature exists
In, comprise the following steps:
S1, by controller start drive motor；
S2, driving motor drive driving pipe to rotate under the effect of gear or drive shaft, will by driving pipe
Rotatory force passes to telescoping tube and connection tube successively, and then connection tube drives engaging column to rotate；
S3, engaging column rotate during, due to engaging column be threaded into pipe and be threaded into managing it
Between be threaded, so making the precession direction that is threaded into managing threadingly under the effect that engaging column rotates
Realize the elongation of support column；
S4, when the lifting column in step S3 rises to predetermined altitude, control anti-convolution ratchet by controller
Component, by locked for driving pipe, and then makes the stable state in elongation of lowering or hoisting gear；
S5, by controller, anti-convolution ratchet component is opened when needs shorten, control to drive motor simultaneously
Reversion, by step S2 and S3 reverse operating, so that retractor device is returned to beginning state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111457795A (en) * | 2020-04-08 | 2020-07-28 | 陕西普达盈信自动化系统工程有限公司 | Speed reduction lifting mechanism for rocket gun |
| CN113294014A (en) * | 2021-05-28 | 2021-08-24 | 李军 | Telescopic device |
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| CN105947924B (en) | 2018-06-29 |
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