CN109861139A - A kind of drawing cable line apparatus that power engineering uses - Google Patents
A kind of drawing cable line apparatus that power engineering uses Download PDFInfo
- Publication number
- CN109861139A CN109861139A CN201910216085.XA CN201910216085A CN109861139A CN 109861139 A CN109861139 A CN 109861139A CN 201910216085 A CN201910216085 A CN 201910216085A CN 109861139 A CN109861139 A CN 109861139A
- Authority
- CN
- China
- Prior art keywords
- idler wheel
- cable
- axis
- gear
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Transmission Devices (AREA)
Abstract
The invention belongs to field of electricity construction more particularly to a kind of drawing cable line apparatus that power engineering uses, it includes the first shaft hole bearing fit on telescopic shaft, torque limiter and hold-down mechanism etc., the wherein flexible housing of telescopic shaft and shell side；After motor of the anchoring in electrical drive module in the present invention shuts down, cable will not be released from cable hoist, two the 4th idler wheels can be pressed against cable, so that cable is not easy to be pulled, do not influence to construct continues the friction between the 4th idler wheel and cable；For first idler wheel after motor stopping, scroll spring, which releases energy, can make the second idler wheel continue to rotate some angles along its former direction of rotation, reserve certain cable surplus for cable construction；Second idler wheel pulls out partial cables from cable hoist, and the cable between the first idler wheel and the second idler wheel is in relaxed state, avoids damage of the corner angle on the weight to fall to cable sheath, guarantees that effective laying of cable and power construction carry out safely.
Description
Technical field
The invention belongs to field of electricity construction more particularly to a kind of drawing cable line apparatus that power engineering uses.
Background technique
During cable laying construction traditional at present, cable is pulled to convey electricity into cable shaft generally by manpower
Cable, manpower pull the large labor intensity of cable, and the physical strength of people limits the speed for pulling cable, and working efficiency is very low；Cable twists
After disk broadcasts stopping, on the one hand, cable hoist may occur to turn round take-up movement under unintentionally external force, and cause in electricity
The cable being laid in cable well is pulled back, and going on smoothly for cable laying is unfavorable for, to influence the construction speed of cable laying；
On the other hand, the larger external force generated for various reasons is pullled the cable having been pulled out or heavier and tool
There is the weight of corner angle from the external force pounded to the overhanging portion for the cable having been pulled out, at this time or weight is above fallen to cable generation
Impact；Cable is straightened in biggish external force moment and the corner angle in destruction or the weight to fall caused by cable are possible to cut electricity
Cable crust, to not can guarantee the effective laying and power construction progress safely of cable.
The present invention design a kind of drawing cable line apparatus that power engineering uses solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of drawing cable line apparatus that power engineering uses,
It adopts the following technical solutions to realize.
In the description of the present invention it should be noted that the indicating positions such as term "inner", "lower", "upper" or positional relationship
For orientation based on the figure perhaps positional relationship or the invention product using when the orientation or position usually put
Relationship, it is only for convenient for the description present invention and simplify description, rather than the equipment of indication or suggestion meaning or element are necessary
It constructs or operates with specific orientation, with specific orientation, therefore be not considered as limiting the invention.In addition, term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
A kind of drawing cable line apparatus that power engineering uses, it is characterised in that: it includes shell, electrical drive module, stretches
Contracting axis, the first idler wheel, the first one-way clutch, torque limiter, the first friction pulley, first back-moving spring, fixed block, compacting machine
Structure, the second friction pulley, first axle, first gear, transmission gear, second gear, the second axis, scroll spring, third gear, second
One-way clutch, third axis, the second idler wheel, third idler wheel, the wherein first axle in the flexible housing of telescopic shaft and shell side
Hole bearing fit, the second axis hole bearing fit in the telescopic inner axis and shell side of telescopic shaft；The telescopic inner axis of telescopic shaft have
There is one section of external screw thread；It is fixedly mounted on fixed block on the shell and is provided with threaded hole；Telescopic inner axis pass through the screw thread on fixed block
Hole, and the external screw thread on threaded hole and telescopic shaft cooperates；First back-moving spring is nested in the telescopic inner axis of telescopic shaft as
The external screw thread for screwing out threaded hole is once again screwed into threaded hole and provides pressure；The first idler wheel in shell passes through the first one-way clutch
Device nesting is mounted on the flexible of telescopic shaft and puts on outside；Electrical drive module is fixedly mounted on the side of shell, output shaft with
The flexible housing of telescopic shaft is located at one end connection of outer side of shell；The telescopic inner axis of telescopic shaft are located at one end installation of outer side of shell
There is torque limiter, the first friction pulley with the first idler wheel coaxial line is installed on torque limiter.
Second friction pulley and first gear are respectively and fixedly installed to the third axis hole bearing fit in shell side
The both ends of one axis, the second friction pulley are matched with the first friction pulley；Transmission gear engaged with the first gear is mounted on by axis
In shell；The second gear engaged with transmission gear is installed in the shell by axis；Level is in the both ends of the third axis of telescopic shaft
With outer casing inner wall bearing fit；Second idler wheel is packed on third axis；Third gear is installed by the second one-way clutch nesting
On third axis, and third gear is engaged with second gear；Scroll spring is nested on the second axis and is rotated into second gear
Row resets.
Two third idler wheels pass through respectively bearing fit therewith axis installation inside the shell, and be located at the first idler wheel and
The two sides of second idler wheel；Two third idler wheels and the first idler wheel and the second idler wheel are located in same vertical plane；Hold-down mechanism is fixed
It is mounted on the underface of the first idler wheel.
Above-mentioned hold-down mechanism includes roller seat, connecting block, the 4th idler wheel, pedal, telescopic mast, second back-moving spring,
In two roller seats of the 4th idler wheel be installed be connected by connecting block, be cased with two telescopic masts difference of second back-moving spring
It is mounted on the lower end surface of two roller seats, the side of connecting block is equipped with pedal；The lower end of telescopic mast and bottom of shell inner cavity
It is connected.
As the further improvement of this technology, the sliding groove laterally communicated with its inner cavity is provided in above-mentioned shell side, and
Sliding groove is located at the lower section of first shaft hole；Pedal in above-mentioned hold-down mechanism is pierced by sliding groove and vertical sliding from shell from inside to outside
In sliding groove；Relief cut is had on two opposite side walls of two third idler wheel two sides in shell, is convenient for
The movement of cable avoids side wall from scratching the cable sheath in movement.
It include motor, retarder and firm banking in above-mentioned electrical drive module as the further improvement of this technology,
The wherein input axis connection of the output shaft of motor and retarder, the output shaft of retarder and the flexible housing of telescopic shaft connect；Electricity
Machine and retarder are fixedly mounted on the side of shell by firm banking.
Externally threaded axis as the further improvement of this technology, in original state, the telescopic inner axis of above-mentioned telescopic shaft
The screwing length of internal screw thread on the threaded hole inner wall of length and upper end of fixing block is equal to the thickness of the first friction pulley, ensure that
At the end of the screwing of the internal screw thread on the external screw thread and fixed block in telescopic inner axis, the first friction pulley completely with the second friction pulley
Contact, and then ensure that the first friction pulley to the enough driving forces of the second friction pulley.
As the further improvement of this technology, above-mentioned second back-moving spring is compressed spring, and second back-moving spring is located always
In confined state；Cable status is wound in the first beginning and end, two compressed second back-moving springs make two the 4th rollings respectively
It is close to simultaneously with the cylindrical surface of the first idler wheel on wheel cylindrical surface；When cable winding go on the first idler wheel after, second back-moving spring be into
The compression of one step, the extruding force of two the 4th pair of rollers cables are sufficiently large.
As the further improvement of this technology, the diameter of above-mentioned second friction pulley is greater than the diameter of the first friction pulley, and first
The diameter of gear is less than the diameter of second gear, and the diameter of the second friction pulley is greater than the diameter of first gear；The mesh of such design
: second gear is taken turns to from the first friction and achievees the effect that deceleration torque increase, so that being located in second gear and there is larger bullet
More easily deformation occurs for the scroll spring of spring coefficient.
As the further improvement of this technology, it further includes positioning ring and pressure spring ring, and wherein positioning ring is packed in telescopic shaft
Telescopic inner axis on, pressure spring ring set is in telescopic inner axis, and pressure spring ring is between positioning ring and fixed block, so that first resets
Circumferential torsional deformation will not occur while being axially compressed for spring；Install thrust bearing between positioning ring and pressure spring ring additional, only
Thrust bearing one end and positioning ring are connected, and the other end and pressure spring ring are connected；Thrust bearing reduces between pressure spring ring and positioning ring
Relative rotation friction.
As the further improvement of this technology, above-mentioned first back-moving spring is compressed spring；First back-moving spring one end with
The side end face of the connection of pressure spring ring, the other end and fixed block connects.
As the further improvement of this technology, above-mentioned first idler wheel, the second idler wheel, third idler wheel and the 4th idler wheel cylinder
All there is the inner concave arc surface of annular on face；This structure designs so that being wrapped in the first idler wheel, the second idler wheel, third idler wheel and the
Cable on four idler wheels is less likely to occur to fall off.
As the further improvement of this technology, the axis hole wall of above-mentioned second gear is circumferentially provided with reset annular groove；Scrollwork bullet
Spring, which is located at, to be resetted in annular groove, and one end is connect with annular groove cylindrical surface is resetted, and the other end is connect with the cylindrical surface of the second axis.
In the present invention when the deformation quantity of scroll spring reaches maximum, torque needed for scroll spring deformation reaches torque limit
When the nominal torque of device, torque limiter plays a role, and scroll spring does not continue to that deformation occurs.
The one end for the cable being wound on cable hoist in the present invention successively bypasses the third rolling positioned at the second idler wheel side
Between the lower part of wheel, the top of the second idler wheel and the first idler wheel and the 4th idler wheel, further around the third crossed positioned at the first idler wheel side
The top of rolling simultaneously enters in cable well.
Drawing cable line apparatus in the present invention is mainly used for the laying work of large-sized cable.
Torque limiter requires heat production at work small in the present invention, and can continue to provide constant torque, is preferably based on
Figure in the torque limiter of liquid transmitting, such as use " the practical mechanism of Machine Design and device atlas " the 5th edition in page 444
15.8-9 the torque limiter.
The coefficient of elasticity of scroll spring in the present invention is very big, and scroll spring energy stored after deformation occurs is enough to lead to
It crosses third gear, third axis, the second idler wheel and cable and pulls cable hoist rotation；Since large-sized cable is located at the top of the second idler wheel
It holds and matched, so the self weight of large-sized cable is so that the frictional force between cable and the second idler wheel is sufficiently large；When complete storage
When scroll spring after energy starts to release energy, the very big scroll spring of coefficient of elasticity is enough through third gear, third axis,
Second wheel and cable pull cable hoist to be pivoted, so that the partial cables between the first idler wheel and the second idler wheel occur
Relaxation reserves certain cable surplus for cable construction；If produced for various reasons after anchoring temporarily ceases work
Raw larger external force the cable having been pulled out is pullled or it is heavier and with corner angle weight from above fall pound to
The cable having been pulled out；Under the effect of external force, the cable slack between the first idler wheel and the second idler wheel gradually conveys outward
Its surplus length forms buffering to the percussion of external force or weight to cable, reduce external force moment cable is straightened and to cable
Caused by destroy, avoid damage of the corner angle to cable sheath on the weight to fall, guarantee that effective laying of cable is applied with electric power
Work carries out safely.
Relative to traditional anchoring, motor of the anchoring in electrical drive module in the present invention shuts down
Afterwards, cable will not be released from cable hoist, and two the 4th idler wheels can be pressed against cable, between the 4th idler wheel and cable
So that cable is not easy to be pulled, do not influence to construct continues for friction；First idler wheel after motor stopping, releasing by scroll spring
Exoergic amount can make the second idler wheel continue to rotate some angles along its former direction of rotation, reserve more than certain cable for cable construction
Amount；Second idler wheel pulls out partial cables from cable hoist, and the cable between the first idler wheel and the second idler wheel is in relaxed state.
On the one hand, when cable hoist is not required to recycling cable and rotates under improper external force, the cable of relaxed state can delay
Solution pulls recycling to the cable being in cable shaft, avoids the cable laying for influencing just carrying out under cable shaft work；Separately
On the one hand, if after anchoring temporarily ceases work, the larger external force that generates for various reasons is to having been pulled out
Cable is pullled or heavier and weight with corner angle is from above falling the cable pounded to having been pulled out；In external force
Under effect, the cable slack between the first idler wheel and the second idler wheel gradually conveys its surplus length outward, to external force or weight pair
The percussion of cable forms buffering, reduces external force moment and is straightened cable and the destruction caused by cable, avoids the weight to fall
On damage of the corner angle to cable sheath, guarantee that effective laying of cable and power construction carry out safely；The configuration of the present invention is simple,
With preferable using effect.
Detailed description of the invention
Fig. 1 is to draw cable schematic device.
Fig. 2 is device diagrammatic cross-section.
Fig. 3 is telescopic shaft and fixed swivel nut cooperation diagrammatic cross-section.
Fig. 4 is first gear, transmission gear, second gear and the cooperation of third gear and schematic view of the mounting position.
Fig. 5 is scroll spring, the second axis, second gear, third gear and third axis cooperation diagrammatic cross-section.
Fig. 6 is shell schematic diagram.
Fig. 7 is hold-down mechanism schematic diagram.
Fig. 8 is hold-down mechanism and the first idler wheel cooperation schematic diagram.
Fig. 9 is the first idler wheel, the second idler wheel, third idler wheel, hold-down mechanism and cable cooperation schematic diagram.
Figure 10 is second gear perspective diagram.
Figure 11 is second gear diagrammatic cross-section.
Figure label title: 1, shell；2, first shaft hole；3, sliding groove；4, the second axis hole；5, third axis hole；6, it steps down
Notch；7, electrical drive module；8, retarder；9, motor；10, telescopic shaft；11, the first idler wheel；12, the first one-way clutch；
13, positioning ring；14, pressure spring ring；15, torque limiter；16, the first friction pulley；17, first back-moving spring；18, axle thread；19,
Fixed block；20, firm banking；21, hold-down mechanism；22, roller seat；23, connecting block；24, the 4th idler wheel；25, pedal；26,
Telescopic mast；27, second back-moving spring；28, the second friction pulley；29, first axle；30, first gear；31, transmission gear；32,
Two gears；33, annular groove is resetted；34, the second axis；35, scroll spring；36, third gear；37, the second one-way clutch；38,
Three axis；39, the second idler wheel；40, third idler wheel；41, cable hoist；42, cable.
Specific embodiment
Attached drawing is the schematic diagram that the present invention is implemented, in order to understand structure operation logic.Specific product structure and ratio
Size is determined according to use environment combination routine techniques.
As shown in Figure 1, it includes shell 1, electrical drive module 7, telescopic shaft 10, the first idler wheel 11, the first one-way clutch
Device 12, torque limiter 15, the first friction pulley 16, first back-moving spring 17, fixed block 19, hold-down mechanism 21, the second friction pulley
28, first axle 29, first gear 30, transmission gear 31, second gear 32, the second axis 34, scroll spring 35, third gear 36,
Second one-way clutch 37, third axis 38, the second idler wheel 39, third idler wheel 40, wherein as shown in Figure 2,6, telescopic shaft 10 is stretched
2 bearing fit of first shaft hole on contracting housing and 1 side of shell, telescopic inner axis and second on 1 side of shell of telescopic shaft 10
4 bearing fit of axis hole；As shown in figure 3, the telescopic inner axis of telescopic shaft 10 have one section of external screw thread；It is fixedly mounted on shell 1
Threaded hole is provided on fixed block 19；As shown in Figure 2,3, telescopic inner axis pass through fixed block 19 on threaded hole, and threaded hole with stretch
External screw thread cooperation on contracting axis 10；As shown in Fig. 1,2,4, first back-moving spring 17, which is nested in the telescopic inner axis of telescopic shaft 10, is
The external screw thread for having screwed out threaded hole is once again screwed into threaded hole and provides pressure；As shown in Fig. 1,2,8, in shell 1 first
Idler wheel 11 is mounted on the flexible of telescopic shaft 10 by 12 nesting of the first one-way clutch and puts on outside；As shown in Figure 2,4, electric drive
Module 7 is fixedly mounted on the side of shell 1, and the flexible housing of output shaft and telescopic shaft 10 is located at the one end in 1 outside of shell
Connection；As shown in Figure 1, 2, one end that the telescopic inner axis of telescopic shaft 10 are located at 1 outside of shell is equipped with torque limiter 15, torque
The first friction pulley 16 with 11 coaxial line of the first idler wheel is installed on limiter 15.
As shown in Figure 1, the second friction pulley 28 and first gear 30 are respectively and fixedly installed to and the third axis on 1 side of shell
The both ends of the first axle 29 of 5 bearing fit of hole, the second friction pulley 28 are matched with the first friction pulley 16；As shown in Fig. 1,4, with
The transmission gear 31 of one gear 30 engagement is mounted in shell 1 by axis；The second gear 32 engaged with transmission gear 31 passes through
Axis is mounted in shell 1；Both ends and shell 1 inner wall bearing fit of the level in the third axis 38 of telescopic shaft 10；Second idler wheel 39
It is packed on third axis 38；Third gear 36 is mounted on third axis 38 by 37 nesting of the second one-way clutch, and third tooth
Wheel 36 is engaged with second gear 32；As shown in figure 5, scroll spring 35 is nested in being rotated into second gear 32 on the second axis 34
Row resets.
As shown in Figure 1, two third idler wheels 40 are mounted in shell 1 by the axis of bearing fit therewith respectively, and respectively
Positioned at the two sides of the first idler wheel 11 and the second idler wheel 39；Two third idler wheels 40 and the first idler wheel 11 and the second idler wheel 39 are located at same
In one vertical plane；As shown in figure 8, hold-down mechanism 21 is fixedly mounted on the underface of the first idler wheel 11.
As shown in fig. 7, above-mentioned hold-down mechanism 21 includes roller seat 22, connecting block 23, the 4th idler wheel 24, pedal 25, stretches
Contracting column 26, second back-moving spring 27, wherein two roller seats 22 for being equipped with the 4th idler wheel 24 pass through as shown in Fig. 1,7,8
Connecting block 23 is connected, and two telescopic masts 26 for being cased with second back-moving spring 27 are separately mounted to the lower end of two roller seats 22
Face, the side of connecting block 23 are equipped with pedal 25；The lower end of telescopic mast 26 and 1 intracavity bottom of shell are connected.
As shown in fig. 6, being provided with the sliding groove 3 laterally communicated with its inner cavity on above-mentioned 1 side of shell, and sliding groove 3 is located at
The lower section of first shaft hole 2；As shown in Figure 2,4, the pedal 25 in above-mentioned hold-down mechanism 21 is pierced by sliding groove 3 from shell 1 from inside to outside
And vertical sliding is in sliding groove 3；As shown in fig. 6, being located at two opposite side walls of two 40 two sides of third idler wheel in shell 1
On have relief cut 6, convenient for the movement of cable 42, side wall is avoided to scratch 42 crust of cable in movement.
As shown in Fig. 2, include motor 9, retarder 8 and firm banking 20 in above-mentioned electrical drive module 7, wherein motor
9 output shaft and the input axis connection of retarder 8, the output shaft of retarder 8 are connect with the flexible housing of telescopic shaft 10；Motor 9
It is fixedly mounted on the side of shell 1 with retarder 8 by firm banking 20.
As shown in Figure 2,3, the externally threaded axial length in original state, the telescopic inner axis of above-mentioned telescopic shaft 10 and solid
The screwing length for determining the internal screw thread on the threaded hole inner wall of 19 upper end of block is equal to the thickness of the first friction pulley 16, ensure that when flexible
At the end of the screwing of external screw thread in inner shaft and the internal screw thread on fixed block 19, the first friction pulley 16 completely with the second friction pulley 28
Contact, and then ensure that the first friction pulley 16 to the enough driving forces of the second friction pulley 28.
As shown in figure 8, above-mentioned second back-moving spring 27 is compressed spring, second back-moving spring 27 is always in by compression shape
State；42 state of cable is wound in the first beginning and end, two compressed second back-moving springs 27 make two the 4th idler wheel 24 circles respectively
Cylinder is close to the cylindrical surface of the first idler wheel 11 simultaneously；After the winding of cable 42 is gone on the first idler wheel 11, second back-moving spring 27
Further to compress, two the 4th idler wheels 24 are sufficiently large to the extruding force of cable 42.
As shown in Figure 1, the diameter of above-mentioned second friction pulley 28 be greater than the first friction pulley 16 diameter, first gear 30 it is straight
Diameter is less than the diameter of second gear 32, and the diameter of the second friction pulley 28 is greater than the diameter of first gear 30；The purpose of such design
Be: achieving the effect that deceleration torque increase from the first friction pulley 16 to second gear 32 so that be located at second gear 32 in and have compared with
More easily deformation occurs for the scroll spring 35 of big spring coefficient.
As shown in Fig. 2, it further includes positioning ring 13 and pressure spring ring 14, wherein positioning ring 13 is packed in the flexible of telescopic shaft 10
In inner shaft, 14 sets of pressure spring ring in telescopic inner axis, and pressure spring ring 14 is between positioning ring 13 and fixed block 19, so that first is multiple
Circumferential torsional deformation will not occur while being axially compressed for position spring 17；Thrust is installed additional between positioning ring 13 and pressure spring ring 14
Bearing, thrust bearing one end and positioning ring 13 are connected, and the other end and pressure spring ring 14 are connected；Thrust bearing reduce pressure spring ring 14 with
Relative rotation friction between positioning ring 13.
As shown in Figure 2,4, above-mentioned first back-moving spring 17 is compressed spring；17 one end of first back-moving spring and pressure spring ring 14
Connection, the other end are connect with the side end face of fixed block 19.
As shown in Fig. 1,7, the cylindrical surface of above-mentioned first idler wheel 11, the second idler wheel 39, third idler wheel 40 and the 4th idler wheel 24
On all have annular inner concave arc surface；This structure design is so that be wrapped in the first idler wheel 11, the second idler wheel 39, third idler wheel 40
It is less likely to occur to fall off with the cable 42 on the 4th idler wheel 24.
As shown in Fig. 5,10,11, the axis hole wall of above-mentioned second gear 32, which is circumferentially provided with, resets annular groove 33；Scroll spring 35
Positioned at resetting in annular groove 33, one end is connect with 33 cylindrical surface of annular groove is resetted, and the other end is connect with the cylindrical surface of the second axis 34.
In the present invention when the deformation quantity of scroll spring 35 reaches maximum, torque needed for 35 deformation of scroll spring reaches torque
When the nominal torque of limiter 15, torque limiter 15 plays a role, and scroll spring 35 does not continue to that deformation occurs.
As shown in figure 9, the one end for the cable 42 being wound on cable hoist 41 in the present invention is successively bypassed positioned at the second rolling
It takes turns between the lower part of the third idler wheel 40 of 39 sides, the top of the second idler wheel 39 and the first idler wheel 11 and the 4th idler wheel 24, further around
It crosses the top of the third rolling positioned at 11 side of the first idler wheel and enters in cable well.
Drawing 42 line apparatus of cable in the present invention is mainly used for the laying work of large-sized cable 42.
Torque limiter 15 requires heat production at work small in the present invention, and can continue to provide constant torque, preferably base
In the torque limiter 15 of liquid transmitting, such as use " the practical mechanism of Machine Design and device atlas " the 5th edition in page 444
Torque limiter 15 described in Figure 15 .8-9.
The coefficient of elasticity of scroll spring 35 in the present invention is very big, the energy foot stored after deformation occurs of scroll spring 35
To pull cable hoist 41 to rotate by third gear 36, third axis 38, the second idler wheel 39 and cable 42；Due to large-sized cable 42
Positioned at the top of the second idler wheel 39 and matched, so the self weight of large-sized cable 42 is so that between cable 42 and the second idler wheel 39
Frictional force it is sufficiently large；When scroll spring 35 after complete energy storage starts to release energy, the very big scroll spring of coefficient of elasticity
35 are enough to pull cable hoist 41 to be pivoted by third gear 36, third axis 38, the second idler wheel 39 and cable 42, to make
The partial cables 42 obtained between the first idler wheel 11 and the second idler wheel 39 relax, and reserve certain cable 42 for the construction of cable 42
Surplus；If the larger external force generated for various reasons is to the line having been pulled out after anchoring temporarily ceases work
Cable is pullled or heavier and weight with corner angle is from above falling the cable pounded to having been pulled out；In the work of external force
Under, the cable slack 42 between the first idler wheel 11 and the second idler wheel 39 gradually conveys its surplus length outward, to external force or again
Object forms buffering to the percussion of cable 42, and reduction external force moment is straightened cable 42 to destruction caused by cable 42, avoids
Damage of the corner angle to 42 crust of cable on the weight of whereabouts guarantees that effective laying of cable 42 and power construction carry out safely.
Workflow of the invention: in the initial state, two in hold-down mechanism 21 be nested on telescopic mast 26
Two reset springs 27 are in confined state, so that position is close at two 24 edges of the 4th idler wheel in hold-down mechanism 21 simultaneously
In 11 edge of the first idler wheel of top；External screw thread in the telescopic inner axis of telescopic shaft 10 stretches one end of housing close to telescopic shaft 10
In the threaded hole on fixed block 19；At this point, the length for being threadedly engaged part of external screw thread and threaded hole be equal to external screw thread with
The screwing length of internal screw thread in threaded hole, the first friction pulley 16 do not contact just with the second friction pulley 28, and scroll spring 35 is not
Deformation occurs.
Under original state, the first friction pulley 16 and the second friction pulley 28 are not in contact with being conducive to mitigate in electrical drive module 7
Motor 9 starts born load, so that 9 quick start of motor in electrical drive module 7 and reaching certain revolving speed.
When needing to pull cable 42 using the device of the invention during power construction, trampled downwards with foot positioned at shell
Pedal 25 on 1 side, pedal 25 drive be equipped with the 4th idler wheel 24 two for being located at 23 two sides of connecting block by connecting block 23
A roller seat 22, which synchronizes, to be moved downward, and two telescopic masts 26 connecting with roller seat 22 are shunk, and is nested on telescopic mast 26
Second back-moving spring 27 be further compressed, two the 4th idler wheels 24 separate a spacing with the first idler wheel 11 being located above
From；Then, one end for the cable 42 being wrapped on cable hoist 41 time around positioned at the third idler wheel of 39 side of the second idler wheel
Between 40 lower part, the top of the second idler wheel 39 and the first idler wheel 11 and the 4th idler wheel 24, it is located at the first idler wheel 11 1 further around crossing
The top of the third rolling of side simultaneously enters in cable well, and cable 42 is contacted with the first idler wheel 11, the second idler wheel 39 and third idler wheel 40
Part be located in the annular inner concave arc surface on 40 cylindrical surface of the first idler wheel 11, the second idler wheel 39 and third idler wheel；Then
The pressure being applied on pedal 25 is removed again, under the action of two second back-moving spring 27, two 24 cylindrical surfaces of the 4th idler wheel
On inner concave arc surface the cable 42 for being wrapped in the lower section of the first idler wheel 11 is compressed, make cable 42 to provide enough pressure
Force of sliding friction between the first idler wheel 11 is sufficiently large.
The power supply on electrical drive module 7 is connected, so that the output shaft in electrical drive module 7 rotates forward；At this point, connection the
First one-way clutch 12 of one idler wheel 11 and telescopic shaft 10 plays driving effect；The output shaft of electrical drive module 7 by with
Connection telescopic shaft 10 drive the first one-way clutch 12 16 synchronous rotary of inner ring and the first friction pulley, the first one-way clutch
The inner ring of device 12 drives 11 synchronous rotary of the first idler wheel by its outer ring；First idler wheel 11 begins through frictional force and drives cable 42
It is moved to the direction of 42 well of cable, cable 42 drives the second idler wheel 39 being engaged with cable 42 to rotate simultaneously, the second idler wheel
39 is opposite with the direction of rotation of the first idler wheel 11；Since the second one-way clutch 37 does not play driving effect at this time, so second
Idler wheel 39 will not drive 36 synchronous rotary of third gear by third axis 38；At the same time, the outer spiral shell on the telescopic shaft 10 of rotation
Line interacts with the threaded hole on fixed block 19, so that the telescopic inner axis of telescopic shaft 10 are while rotating along telescopic shaft
10 axially outward movements, positioning ring 13 oppresses first back-moving spring 17 by pressure spring ring 14, so that first back-moving spring 17 is pressed
It contracts energy storage；Telescopic shaft 10 drives the first friction pulley 16 to transport to the second friction pulley 28 by being mounted on the torque limiter 15 of shaft end
It moves and starts to contact with the second friction pulley 28；Second friction pulley 28 starts to drive the synchronous rotation of first gear 30 by first axle 29
Turn, first gear 30 drives second gear 32 to rotate by transmission gear 31, and deformation takes place in scroll spring 35；Second gear
32 drive third gear 36 to rotate；The direction of rotation of third gear 36 is opposite with the coaxial direction of rotation of the first idler wheel 11；By
Driving effect is not played in the second one-way clutch 37 at this time, so anti-between coaxial third gear 36 and the first idler wheel 11
Interference is not generated mutually to rotation.
When the external screw thread on telescopic shaft 10 screws out the threaded hole on fixed block 19 completely, the first friction pulley 16 rubs with second
Wipe 28 contact line longests of wheel；The deformation of scroll spring 35 reaches capacity at this time, and the second gear 32 connecting with scroll spring 35 is stopped
Spin-ended turn, third gear 36, first gear 30 and the second friction pulley 28 stop rotating；Continue under the driving of electrical drive module 7
Obstruction of the telescopic shaft 10 of rotation by the second friction pulley 28 to stop rotating；It is mounted on the torque limiter of 10 shaft end of telescopic shaft
15 start to play a role, and telescopic shaft 10 continues to rotate, and the first friction pulley 16 no longer rotates, telescopic shaft 10 and the second friction pulley
Interference is not generated between 28；Telescopic shaft 10 continues through the first one-way clutch 12 and drives the rotation of the first idler wheel 11, so that first
Idler wheel 11 pulls on cable 42, to 42 well of cable in handling cable 42.
It at the end of the cable 42 in 42 well of cable is laid with, powers off, electrical drive module 7 is out of service, and electronic
The telescopic shaft 10 that drive module 7 exports axis connection stops rotating；First idler wheel 11 stops rotating, and the first idler wheel 11 no longer pulls electricity
Cable 42 on cable capstan winch 41；The scroll spring 35 that energy storage reaches capacity starts to release energy, and scroll spring 35 drives the second tooth
Wheel 32 starts to reversely rotate；Second gear 32 drives third gear 36 to rotate；The second one-way clutch 37 at this time starts to play
Driving effect, third gear 36 drive the second idler wheel 39 along as before by the second one-way clutch 37 and third axis 38
Continue to rotate in direction of rotation；Since the gravity that cable 42 is wrapped in the top of the second idler wheel 39 and cable 42 is very big, so cable
42 and second between idler wheel 39 there are certain frictional force, the second idler wheel 39 of rotation is pulled up by frictional force from cable hoist 41
Dynamic cable 42, so that relaxation takes place in the part on cable 42 between the first idler wheel 11 and the second idler wheel 39；It is same with this
When, second gear 32 drives the second friction pulley 28 to reversely rotate by transmission gear 31, first gear 30 and first axle 29；Second
Friction pulley 28 drives the discovery rotation of the first friction pulley 16；First friction pulley 16 drives telescopic shaft 10 reversed by torque limiter 15
Rotation；Since the first one-way clutch 12 at this time does not play driving effect, so the first idler wheel 11 remain stationary and does not revolve
Turn；Under the action of first back-moving spring 17, the external screw thread on the telescopic shaft 10 of reverse rotation starts to screw on fixed block 19
In threaded hole, the telescopic inner axis on telescopic shaft 10 are started to shrink along axial direction, and telescopic shaft 10 drives the first friction pulley 16 to start to be detached from
Second friction pulley 28.
When scroll spring 35 releases energy and restores to the original state completely, the first friction pulley 16 just completely disengages the second friction
28 are taken turns, the cooperation position between the threaded hole on external screw thread and fixed block 19 on telescopic shaft 10 restPoses, and first is multiple
Position spring 17 restores to original state；Second idler wheel 39 pulls 42 certain length of cable, so that being located at the first idler wheel on cable 42
11 and the second part between idler wheel 39 generate relaxation to greatest extent, reserve certain 42 surplus of cable for the construction of cable 42；
If generated external force generates drawing to the cable having been pulled out for various reasons after anchoring temporarily ceases work
It pulls or heavier and weight with corner angle is from above falling the cable pounded to having been pulled out；First idler wheel 11 and the second rolling
Cable slack 42 between wheel 39 gradually conveys its surplus length outward under the effect of external force, to external force or weight to cable 42
Percussion form buffering, reducing external force moment is straightened cable 42 to destruction caused by cable 42, avoids the weight to fall
On damage of the corner angle to 42 crust of cable, guarantee the effective laying and power construction safety progress of cable 42.
In conclusion beneficial effects of the present invention: motor 9 of the anchoring in electrical drive module 7 in the present invention
After shutting down, cable 42 will not be released from cable hoist 41, and two the 4th idler wheels 24 can be pressed against cable 42, and the 4th
So that cable 42 is not easy to be pulled, do not influence to construct continues for friction between idler wheel 24 and cable 42；First idler wheel
11 after the stopping of motor 9, and scroll spring 35, which releases energy, can make the second idler wheel 39 continue to rotate along its former direction of rotation
Angle reserves certain 42 surplus of cable for the construction of cable 42；Second idler wheel 39 pulls out partial cables 42 from cable hoist 41,
Cable 42 between first idler wheel 11 and the second idler wheel 39 is in relaxed state.On the one hand, when cable hoist 41 is not required to recycling electricity
Cable 42 and when being rotated under improper external force, the cable 42 of relaxed state can be alleviated to being in 42 well of cable
Cable 42 pulls recycling, and the cable 42 for influencing just carrying out in 42 underground of cable is avoided to be laid with work；On the other hand, if in bracing wire
After device temporarily ceases work, the larger external force generated for various reasons pulls the cable having been pulled out, or
Heavier and weight with corner angle is from above falling the cable pounded to having been pulled out；Under the effect of external force, the first idler wheel 11
Cable slack 42 between the second idler wheel 39 gradually conveys its surplus length, the impact to external force or weight to cable 42 outward
Effect forms buffering, and reduction external force moment is straightened cable 42 to destruction caused by cable 42, avoids the rib on the weight to fall
Damage of the angle to 42 crust of cable guarantees that effective laying of cable 42 and power construction carry out safely.
Claims (10)
1. a kind of drawing cable line apparatus that power engineering uses, it is characterised in that: it includes shell, electrical drive module, stretches
Axis, the first idler wheel, the first one-way clutch, torque limiter, the first friction pulley, first back-moving spring, fixed block, compacting machine
Structure, the second friction pulley, first axle, first gear, transmission gear, second gear, the second axis, scroll spring, third gear, second
One-way clutch, third axis, the second idler wheel, third idler wheel, the wherein first axle in the flexible housing of telescopic shaft and shell side
Hole bearing fit, the second axis hole bearing fit in the telescopic inner axis and shell side of telescopic shaft；The telescopic inner axis of telescopic shaft have
There is one section of external screw thread；It is fixedly mounted on fixed block on the shell and is provided with threaded hole；Telescopic inner axis pass through the screw thread on fixed block
Hole, and the external screw thread on threaded hole and telescopic shaft cooperates；First back-moving spring is nested in the telescopic inner axis of telescopic shaft as
The external screw thread for screwing out threaded hole is once again screwed into threaded hole and provides pressure；The first idler wheel in shell passes through the first one-way clutch
Device nesting is mounted on the flexible of telescopic shaft and puts on outside；Electrical drive module is fixedly mounted on the side of shell, output shaft with
The flexible housing of telescopic shaft is located at one end connection of outer side of shell；The telescopic inner axis of telescopic shaft are located at one end installation of outer side of shell
There is torque limiter, the first friction pulley with the first idler wheel coaxial line is installed on torque limiter；
Second friction pulley and first gear are respectively and fixedly installed to the first axle with the third axis hole bearing fit in shell side
Both ends, the second friction pulley matches with the first friction pulley；Transmission gear engaged with the first gear is mounted on shell by axis
In；The second gear engaged with transmission gear is installed in the shell by axis；Level is in the both ends of the third axis of telescopic shaft and outer
Shell inner wall bearing fit；Second idler wheel is packed on third axis；Third gear is mounted on by the second one-way clutch nesting
On three axis, and third gear is engaged with second gear；Scroll spring is nested on the second axis and answers the rotation of second gear
Position；
Two third idler wheels pass through the axis installation of bearing fit therewith inside the shell respectively, and are located at the first idler wheel and second
The two sides of idler wheel；Two third idler wheels and the first idler wheel and the second idler wheel are located in same vertical plane；Hold-down mechanism is fixedly mounted
In the underface of the first idler wheel；
The hold-down mechanism includes roller seat, connecting block, the 4th idler wheel, pedal, telescopic mast, second back-moving spring, wherein pacifying
Two roller seats equipped with the 4th idler wheel are connected by connecting block, and two telescopic masts for being cased with second back-moving spring are installed respectively
In the lower end surface of two roller seats, the side of connecting block is equipped with pedal；The lower end of telescopic mast and bottom of shell inner cavity are connected.
2. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: the shell side
The sliding groove laterally communicated with its inner cavity is provided on face, and sliding groove is located at the lower section of first shaft hole；In the hold-down mechanism
Pedal is pierced by sliding groove and vertical sliding from shell in sliding groove from inside to outside；It is located at the two of two third idler wheel two sides in shell
Relief cut is had on a opposite side wall.
3. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: the electronic drive
Include the input axis connection of motor, retarder and firm banking, the wherein output shaft of motor and retarder in dynamic model block, slows down
The output shaft of device and the flexible housing of telescopic shaft connect；Motor and retarder are fixedly mounted on the side of shell by firm banking
On.
4. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: in initial shape
State, the externally threaded axial length in the telescopic inner axis of the telescopic shaft and the internal screw thread on the threaded hole inner wall of upper end of fixing block
Screwing length be equal to the first friction pulley thickness.
5. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: described second is multiple
Position spring is compressed spring, and second back-moving spring is in confined state always；Cable status is wound in the first beginning and end, two are pressed
The second back-moving spring of contracting is close to two the 4th idler wheel cylindrical surfaces with the cylindrical surface of the first idler wheel simultaneously.
6. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: described second rubs
The diameter for wiping wheel is greater than the diameter of the first friction pulley, and the diameter of first gear is less than the diameter of second gear, the second friction pulley
Diameter is greater than the diameter of first gear.
7. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: it further includes fixed
Position ring and pressure spring ring, wherein positioning ring is packed in the telescopic inner axis of telescopic shaft, and pressure spring ring set is in telescopic inner axis, and pressure spring ring
Between positioning ring and fixed block；Install thrust bearing between positioning ring and pressure spring ring additional, thrust bearing one end and positioning ring are solid
Even, the other end and pressure spring ring are connected.
8. the drawing cable line apparatus that a kind of power engineering according to claim 1 or claim 7 uses, it is characterised in that: described
One reset spring is compressed spring；First back-moving spring one end is connect with pressure spring ring, the side end face connection of the other end and fixed block.
9. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: first rolling
All there is the inner concave arc surface of annular on the cylindrical surface of wheel, the second idler wheel, third idler wheel and the 4th idler wheel.
10. the drawing cable line apparatus that a kind of power engineering according to claim 1 uses, it is characterised in that: described second
The axis hole wall of gear is circumferentially provided with reset annular groove；Scroll spring, which is located at, to be resetted in annular groove, one end and reset annular groove cylindrical surface
Connection, the other end are connect with the cylindrical surface of the second axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216085.XA CN109861139A (en) | 2019-03-21 | 2019-03-21 | A kind of drawing cable line apparatus that power engineering uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216085.XA CN109861139A (en) | 2019-03-21 | 2019-03-21 | A kind of drawing cable line apparatus that power engineering uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109861139A true CN109861139A (en) | 2019-06-07 |
Family
ID=66901374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910216085.XA Withdrawn CN109861139A (en) | 2019-03-21 | 2019-03-21 | A kind of drawing cable line apparatus that power engineering uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109861139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794163A (en) * | 2021-09-24 | 2021-12-14 | 温州华电实业有限公司 | Cable laying mechanism in power construction |
-
2019
- 2019-03-21 CN CN201910216085.XA patent/CN109861139A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794163A (en) * | 2021-09-24 | 2021-12-14 | 温州华电实业有限公司 | Cable laying mechanism in power construction |
| CN113794163B (en) * | 2021-09-24 | 2024-05-24 | 湖南冠振电力建设有限公司 | Cable laying mechanism in power construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209642184U (en) | A kind of drawing cable line apparatus that power engineering uses | |
| CN111824996A (en) | Prevent wire rope winch of sports car | |
| CN109861139A (en) | A kind of drawing cable line apparatus that power engineering uses | |
| CN101362580A (en) | Single-phase electric gourd with lower bound range stop | |
| CN102671315B (en) | Slowly-dropping escape device | |
| CN102701027A (en) | Tube winding device or cable winding device and driving mechanism | |
| CN201650727U (en) | Disk-type power head anti-reverse mechanism of screw-type oil pump | |
| CN112332315B (en) | Cable paying-off device and construction process thereof | |
| CN201999676U (en) | Automatic-control friction clutching self-locking manual winch | |
| CN107253678B (en) | Electric capstan with compact structure | |
| CN211427932U (en) | Cable mica tape wrapping head | |
| CN218809509U (en) | Pay-off rack electric driving device | |
| CN204511775U (en) | There is the wind-driven generator of driftage protection capstan winch | |
| CN217323205U (en) | Braking device for pneumatic balance crane | |
| CN208893505U (en) | Adaptive gravity high level fire disaster escaping at the uniform velocity forced landing device | |
| CN202637756U (en) | Descending escape device | |
| CN110217711A (en) | A kind of single-beam crane electric block | |
| CN202829162U (en) | Tube winding device and cable winding device and driving mechanism | |
| CN212608818U (en) | Winding reel device with adjustable winding and unwinding resistance | |
| CN212639587U (en) | Star-shaped pinch roller type threading machine | |
| CN110905745B (en) | Foot-operated power generation device | |
| CN203865926U (en) | Electric capstan of improved structure | |
| CN112707233A (en) | Safety cable rope coiling device for electric power construction | |
| CN207330002U (en) | Cable drum mechanism equipped with torque limiter | |
| KR101535096B1 (en) | Power transmission and power transforming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190607 |