The automatic deploying and retracting belting of winch
Technical field
The invention belongs to field of mechanical technique, relate to the automatic deploying and retracting belting of a kind of winch, particularly a kind of winch.
Background technology
In the vehicular transport goods process, goods needs binding usually, comes off when the running car or collides mutually and cause and lose or damage to prevent goods.Though the mode that directly bundlees with rope is in daily use, and wastes time and energy, and is difficult to the goods tighten.Winch is a kind of advanced person's a binding tools.Adopt not only convenient but also safety of winch restraint of loads, be subjected to the welcome of vast chaufeur deeply.
Existing winch is made up of support, tape spool and bundling belt usually.Tape spool is connected on the support and tape spool turns, and the binding roll coil of strip is on tape spool.The outer end of stretching out support at tape spool is provided with the crow bar hole.
When needing restraint of loads, crow bar is inserted in the crow bar hole, rotate crow bar and can drive the rotating shaft rotation.But the moving certain angle of revolution all needs crow bar to be extracted and inserted again, obviously, makes that like this binding efficient is not high, and wastes time and energy.
People have designed various quick binding apparatus for this reason, crow bar is inserted the reciprocal swing crow bar in back can drive the rotating shaft rotation.But this device is still manual by the operator.Therefore its binding efficient is lower, and effort is not resolved in itself yet in the binding process.
Existing other bundled device also exists similar problem.
Summary of the invention
The objective of the invention is at existing in prior technology the problems referred to above, a kind of automatic deploying and retracting belting of easy and simple to handle, the higher winch of binding efficient is provided.
Purpose of the present invention can realize by following technical proposal: a kind of automatic deploying and retracting belting of winch, be arranged at the winch support place and link with the rotating shaft of winch, it is characterized in that, this device comprises ratchet, ratchet and a cylinder, the rotating shaft of ratchet and winch links, ratchet is arranged on the support and ratchet is embedded on the ratchet, is provided with the transmission device that ratchet one-way is rotated between the piston rod of described cylinder and the ratchet.
Rotating shaft is rotated.That is to say that drive the cylinder running in the restraint of loads process, the piston rod of cylinder drives ratchet one-way by transmission device and rotates.Because ratchet links with rotating shaft, so just can drive the rotating shaft unidirectional rotation, thereby the winding in the rotating shaft is drawn in, and reach by the winding purpose that Goods binding is firm.
Certainly, it also is feasible adopting hydraulic actuating cylinder to replace cylinder according to actual conditions.
In the automatic deploying and retracting belting of above-mentioned winch, described transmission device comprises connecting rod, Transmission and control ratchet, one end and the piston rod of connecting rod are hinged, the other end of connecting rod has the collar in the form of a ring, collar inboard has some uniform teeth and cover is located on the Transmission, described Transmission and ratchet link, described control ratchet is articulated on the Transmission and between control ratchet and Transmission and is provided with spring, and the control ratchet is embedded on the teeth of collar inboard under the elastic force effect of spring.
In the piston rod drivening rod swing process of cylinder, the teeth by control ratchet and collar inboard make the continuous rotation that Transmission is unidirectional.
In the automatic deploying and retracting belting of above-mentioned winch, be provided with the control mechanism that can make the Transmission forward or reverse when connecting rod swing between described Transmission and the control ratchet, be provided with the engaging and disengaging gear that can make the rotating shaft forward or reverse between described ratchet and the rotating shaft, and above-mentioned engaging and disengaging gear can make rotating shaft just change when control mechanism is just changeing Transmission, and above-mentioned engaging and disengaging gear can make the rotating shaft counter-rotating when control mechanism makes the Transmission counter-rotating.
When control mechanism makes that driving Transmission in the connecting rod swing process is just changeing, above-mentioned ratchet under the effect of engaging and disengaging gear also along with just changeing.Control mechanism makes that above-mentioned engaging and disengaging gear is in released state when driving the Transmission counter-rotating in the connecting rod swing process, and obviously, ratchet is also just along with counter-rotating.
In the automatic deploying and retracting belting of above-mentioned winch, described control mechanism is an adjusting shaft, the inner of adjusting shaft is positioned at Transmission, the adjusting shaft outer end is positioned at the Transmission outside, the middle part of adjusting shaft has the retaining edge of protrusion, adjusting shaft the inner has recessed spring perch, above-mentioned spring is positioned at the spring perch place, the middle part of above-mentioned control ratchet is articulated in the Transmission outside, the two ends of control ratchet have ratchet one and ratchet two, described retaining along with Transmission between be provided with the location structure that after adjusting shaft rotates, adjusting shaft and Transmission can be located mutually, and after location structure is located Transmission and adjusting shaft above-mentioned spring roof pressure on ratchet one or ratchet two.
Make adjusting shaft to locate mutually by detent mechanism after rotating adjusting shaft with Transmission, certainly this moment, action of the spring was on ratchet one, make ratchet one be resisted against on the teeth of collar inboard, obviously, ratchet once effect under make the continuous rotation that Transmission is unidirectional.On the contrary, make action of the spring on ratchet two after rotating adjusting shaft, certainly this moment adjusting shaft with Transmission between locate mutually by detent mechanism.Under the effect of ratchet two, make the reverse continuous rotation that Transmission is unidirectional.
Ball also is housed in order to make on the stable teeth that are resisted against the collar of ratchet one or ratchet two in the spring perch of adjusting shaft, ball partly stretches out adjusting shaft.
In the automatic deploying and retracting belting of above-mentioned winch, described location structure is to be located at retaining along last two location shrinkage pools be located at location plush copper on the Transmission, be provided with elastic component between location plush copper and the Transmission, the location plush copper can be embedded in any one above-mentioned shrinkage pool place, location under the elastic force effect of elastic component.The location plush copper is embedded in the location that can realize adjusting shaft and Transmission in the shrinkage pool of location under the effect of elastic component.
As another situation, in the automatic deploying and retracting belting of above-mentioned winch, described location structure is to be located at retaining along last location plush copper and two location shrinkage pools being located on the Transmission, be provided with elastic component between location plush copper and the retaining edge, the location plush copper can be embedded in any one above-mentioned shrinkage pool place, location under the elastic force effect of elastic component.
Same, the location plush copper is embedded in the location that can realize in the shrinkage pool of location between adjusting shaft and the Transmission under the elastic component effect.
In the automatic deploying and retracting belting of above-mentioned winch, described engaging and disengaging gear comprises compressing member, screw rod and drivening piece, described compressing member is connected mutually with Transmission, described screw rod and rotating shaft axially are connected, above-mentioned ratchet and compressing member all are enclosed within on the screw rod and ratchet is between compressing member and the support, described compressing member and screw rod link by screw thread, described compressing member inboard also has recessed spacing breach, above-mentioned drivening piece and screw rod are circumferentially fixing, and drivening piece is positioned at spacing indentation, there and spacing indentation, there size greater than the drivening piece size.
When Transmission just changeed, Transmission drives compressing member just to be changeed, because compressing member and screw rod link by screw thread.Therefore compressing member will move along screw rod after rotating, and makes compressing member being resisted against on the ratchet tightly.At this moment, compressing member, ratchet, screw rod are equivalent to hold together, and promptly driving screw rod in the compressing member rotation process just changes.Screw rod is just changeing and promptly drives rotating shaft and just change.
When Transmission reversed, Transmission drove the compressing member counter-rotating, and compressing member oppositely moves along screw rod, makes compressing member break away from from ratchet.Spacing breach when compressing member reverses to a certain degree on it contacts with drivening piece.Because drivening piece and screw rod are circumferentially fixing, screw rod can be along with counter-rotating when so just making the compressing member counter-rotating, thereby makes the rotating shaft of winch reverse.
In the automatic deploying and retracting belting of above-mentioned winch, described ratchet both sides are equipped with Friction disk, and two Friction disks all are placed on the screw rod, are provided with bearing between described ratchet and the support.Improve friction between compressing member and the ratchet by Friction disk, thereby make the rotation that ratchet can be stable.Simultaneously, make that under the effect of bearing ratchet can rotate freely.
In the automatic deploying and retracting belting of above-mentioned winch, be provided with train of reduction gears between described ratchet and the rotating shaft.It is moderate to make that by train of reduction gears the rotating speed of rotating shaft place remains.
In the automatic deploying and retracting belting of above-mentioned winch, going back axial restraint on the described support has an actuating spindle, and support is stretched out in the outer end of actuating spindle, and the inner of actuating spindle has cam and cam and contacts with above-mentioned ratchet.Ratchet is embedded on the ratchet always, that is to say to make the winding that is wire-wrapped in the rotating shaft can not ease out suddenly.In case when needing fast speed that winding is eased out, rotate actuating spindle, just can drive the ratchet swing by the cam on the actuating spindle, make ratchet break away from from ratchet.Obviously, but winding this moment just fast speed ease out.
In the automatic deploying and retracting belting of above-mentioned winch, described adjusting shaft outer end is provided with handwheel.Can rotate adjusting shaft easily by handwheel.
Compared with prior art, the automatic deploying and retracting belting of this winch only need be controlled cylinder running winch can be drawn in winding automatically.Do not need the operator to operate by hand, therefore, make that winch is easy to use, binding efficient is higher.
Simultaneously, the also may command winch rotating shaft rotating of this device, therefore, its use is more easy.In addition, rotate, so this device makes that in the binding process rotating shaft can uniform rotation that promptly the seizing force of this device is constant, so its safety in utilization and stability are higher because this device drives rotating shaft by cylinder.
Description of drawings
Fig. 1 is the perspective view of the automatic deploying and retracting belting of this winch.
Fig. 2 is the decomposition texture scheme drawing of control mechanism of the automatic deploying and retracting belting of this winch.
Fig. 3 is the decomposition texture scheme drawing of location structure of the automatic deploying and retracting belting of this winch.
Fig. 4 is the decomposition texture scheme drawing of engaging and disengaging gear of the automatic deploying and retracting belting of this winch.
Fig. 5 is the perspective view of engaging and disengaging gear of the automatic deploying and retracting belting of this winch.
Among the figure, 1, support; 2, rotating shaft; 3, ratchet; 4, ratchet; 5, cylinder; 51 piston rods; 6, transmission device; 61, connecting rod; 61a, the collar; 62, Transmission; 63, control ratchet; 63a, ratchet one; 63b, ratchet two; 64, spring; 7, control mechanism; 71, adjusting shaft; 72, retaining edge; 73, spring perch; 8, engaging and disengaging gear; 81, compressing member; 81a, spacing breach; 82, screw rod; 83, drivening piece; 84, Friction disk; 9, location structure; 91, location shrinkage pool; 92, location plush copper; 93, elastic component; 10, bearing; 11, train of reduction gears; 12, actuating spindle; 13, cam; 14, handwheel; 15; Teeth; 16, ball.
The specific embodiment
As shown in the figure, winch comprises a support 1 and the rotating shaft 2 that is connected on the support 1, and rotating shaft 2 can be rotated with respect to support 1, and solderless wrapped connection is useful on the winding of restraint of loads in rotating shaft 2.
The automatic deploying and retracting belting of this winch just is arranged at support 1 place of winch, and the rotating shaft 2 of this device and winch links.
This device is made up of cylinder 5, transmission device 6, engaging and disengaging gear 8, ratchet 3 and train of reduction gears 11 etc.
Cylinder 5 is connected on the car body, have a piston rod 51 on the cylinder 5, piston rod 51 outer ends link to each other with transmission device 6, are provided with engaging and disengaging gear 8 between transmission device 6 and the ratchet 3, ratchet 3 links with the input end of train of reduction gears 11, and the mouth of train of reduction gears 11 and the rotating shaft of winch 2 link.Also be hinged with a ratchet 4 on support 1, ratchet 4 is embedded on the ratchet 3.
As can be seen, make the continuous rotation that ratchet 3 is unidirectional by transmission device 6 in piston rod 51 telescopic process of cylinder 5.Drive the continuous unidirectional rotation of rotating shaft 2 by train of reduction gears 11 in ratchet 3 rotation processes.
On the contrary, when under the effect of engaging and disengaging gear 8, making ratchet 3 counter-rotating, drive the continuous backward rotation of rotating shaft 2 by train of reduction gears 11 in ratchet 3 Umklapp processes.
Transmission device 6 comprises connecting rod 61, Transmission 62 and control ratchet 63.One end and the piston rod 51 of connecting rod 61 are hinged, and the other end of connecting rod 61 has collar 61a in the form of a ring, and collar 61a inboard has some uniform teeth 15 and collar 61a is placed on the Transmission 62.
Control ratchet 63 is articulated on the Transmission 62 and between control ratchet 63 and Transmission 62 and is provided with spring 64, is embedded on the teeth 15 of collar 61a inboard at control ratchet 63 under the elastic force effect of spring 64.
Be provided with the control mechanism 7 that can make Transmission 62 forward or reverse when connecting rod 61 swings between Transmission 62 and the control ratchet 63; Above-mentioned engaging and disengaging gear 8 just is arranged between ratchet 3 and the rotating shaft 2 and under the effect of engaging and disengaging gear 8 can make rotating shaft 2 forward or reverse.
Control mechanism 7 is an adjusting shaft 71, and the inner of adjusting shaft 71 is positioned at Transmission 62, and adjusting shaft 71 outer ends are positioned at Transmission 62 outsides, and the middle part of adjusting shaft 71 has the retaining of protrusion along 72, and adjusting shaft 71 the inners have recessed spring perch 73.
Above-mentioned spring 64 is positioned at spring perch 73 places, and the two ends of control ratchet 63 have ratchet one 63a and ratchet two 63b, and the middle part of control ratchet 63 is articulated on the Transmission 62.Ratchet one 63a and ratchet two 63b are that the center is symmetrical arranged with control ratchet 63 middle parts.The retaining of adjusting shaft 71 along 72 and Transmission 62 between be provided with location structure 9, adjusting shaft 71 is located mutually after making adjusting shaft 71 rotate by this location structure 9 with Transmission 62.Ball 16 also is equipped with at 73 places at spring perch, and the two ends of spring 64 act on respectively on spring perch 73 and the ball 16, and ball 16 parts are stretched out adjusting shaft 71 under the elastic force effect of spring 64, and ball 16 roof pressures are on ratchet one 63a or ratchet two 63b.
Location structure 9 is located shrinkage pools 91 and the location plush copper 92 that is arranged on the Transmission 62 for the retaining that is arranged on adjusting shaft 71 along two on 72, between location plush copper 92 and transmission, be provided with elastic component 93, location plush copper 92 embeddings and shrinkage pool 91 places, location under the elastic force effect of elastic component 93.Certainly, the sensation actual conditions also can be arranged on two location shrinkage pools 91 on the Transmission 62, and elastic component 93 and location plush copper 92 are arranged on the retaining of adjusting shaft 71 along on 72.In the present embodiment, be provided with a handwheel 14 in the outer end of adjusting shaft 71.
Engaging and disengaging gear 8 is made up of compressing member 81, screw rod 82 and drivening piece 83 etc.
Compressing member 81 is connected mutually with Transmission 62, and screw rod 82 is connected with the input end of train of reduction gears 11, and above-mentioned ratchet 3 and compressing member 81 all are enclosed within on the screw rod 82 and ratchet 3 is between compressing member 81 and the support 1, and compressing member 81 and screw rod 82 link by screw thread.The inboard of compressing member 81 also has recessed spacing breach 81a, and drivening piece 83 is circumferentially fixing with screw rod 82, and drivening piece 83 is positioned at spacing breach 81a place and spacing breach 81a place size greater than drivening piece 83 sizes.
Be equipped with 84, two Friction disks 84 of Friction disk in the both sides of ratchet 3 and all be placed on the screw rod 82, be provided with bearing 10 between described ratchet 3 and the support 1.
The automatic deploying and retracting belting of this winch is when restraint of loads, drive cylinder 5 actions, piston rod 51 drivening rods 61 swings of cylinder 5, because the teeth 15 in connecting rod 61 collar 61a are to be meshed with ratchet one 63a of control ratchet 63 all the time, and control ratchet 63 is connected on the Transmission 62, so will drive the continuous unidirectional rotation of Transmission 62 in the connecting rod 61 reciprocally swinging processes.
Compressing member 81 is also along with together just changeing in the Transmission 62 continuous unidirectional rotation processes.Compressing member 81 is just turning in the journey, make compressing member 81 move axially, and make compressing member 81 being resisted against on the ratchet 3 tightly, certainly along screw rod 82, Friction disk 84 has played the effect that increases friction in this process, makes ratchet 3 freely to rotate simultaneously under the effect of bearing 10.That is to say this moment, compressing member 81, ratchet 3, screw rod 82 are the equal of to hold together.Obviously, this moment, compressing member 81 can be with screw rod 82 together to rotate, and meanwhile ratchet 3 slips over from ratchet 4, just made the stable rotation of rotating shaft 2 of winch under the effect of train of reduction gears 11, thereby with the gathering of the winding in the rotating shaft 2, reached the purpose of restraint of loads.
On the contrary, in the time of tied goods need being unclamped.Rotate adjusting shaft 71 and make ratchet two 63b be meshed with the teeth 15 of connecting rod 61 collar 61a inboards, this moment, the swing of connecting rod 61 can only drive Transmission 62 oppositely directed continuous rotation.Compressing member 81 makes compressing member 81 outwards move along screw rod 82 also along with reverse continuous rotation, promptly makes compressing member 81 break away from from ratchet 3.Meanwhile, can not backward rotation at the effect bottom ratchet wheel 3 of ratchet 4, when compressing member 81 withdraws to a certain degree the time, the spacing breach 81a on the compressing member 81 contacts with locating part, and locating part is directly circumferentially to fix with screw rod 82.Therefore, compressing member 81 backward rotation will drive screw rod 82 also along with counter-rotating.Drive the stable counter-rotating of winch rotating shaft 2 by train of reduction gears 11 in screw rod 82 Umklapp processes, promptly reached the purpose of unclamping tied goods.
In the present embodiment, going back axial restraint on support 1 has an actuating spindle 12, and support 1 is stretched out in the outer end of actuating spindle 12, and the inner of actuating spindle 12 has cam 13 and cam 13 and contacts with above-mentioned ratchet 4.Obviously, rotate actuating spindle 12 and just can take cam 13 rotations to, but cam 13 rotates just roof pressure ratchet 4 of back, make ratchet 4 break away from from ratchet 3.Ratchet 3 is not stopped that just but fast speed rotates.That is to say that 12 of turn actuating spindles get final product in the time of need unclamping goods fast.