CN206054636U - Reductor - Google Patents

Abstract

The utility model discloses a kind of reductor, including frame, input shaft, output shaft are rotatably connected in described frame, intermeshing worm and wheel in described frame, is rotatably connected to, described worm gear is connected with output shaft, be it is characterized in that：Described input shaft is covered along the linkage that has been in axial sliding connection of itself, described linkage set is secured by bolts on input shaft, described linkage set is engaged with second gear by first gear, described second gear is connected with worm screw, described first gear is sheathed on input shaft, axially opposing fixation between described first gear and input shaft, solves the problems, such as that existing reductor practicality is relatively low.

Description

Reductor

Technical field

This utility model is related to a kind of mechanical transmission, more specifically, it relates to reductor.

Background technology

Reductor plays a part of to match rotating speed and transmission torque, reductor between prime mover and working machine or actuator It is a kind of relatively accurate machinery, the use of its purpose is to reduce rotating speed, increases torque.

At present, the Chinese patent of Publication No. CN201925419U discloses a kind of improved planetary reducer, and it includes Output shaft, oil sealing, output flange, planet carrier, planet axis, back-up ring, needle roller, planetary gear, gear ring, back-up ring, subplate, adpting flange, Planet axis, planet carrier, back-up ring, planetary gear, needle roller, back-up ring, input shaft, oil sealing, bearing, sun gear, input flange, elastic cylinder Pin, gear ring, flexure strip, sun gear, gear ring, articulation hole bolt, flexure strip, it is characterised in that sun gear, planet carrier are complete floating Dynamic structure, planet carrier are respectively adopted 30 degree of spline self-centering function connects, spline gear end with sun gear, planet carrier and sun gear 5～10 degree of top chamfer so as to aligning effect, planet carrier is low speed and simple beam split-type structural, planet carrier and subplate It is connected as a single entity with bolt using articulation hole, planet carrier adopts steel material, subplate to adopt Ductile Iron Casting, planetary gear internal control to make bearing Outer ring, planet axis are made the full needle construction of bearing inner race and adapt to heavy load operating mode, and when planetary gear is engaged with gear ring, extruding lubricating oil enters Enter tooth root radial hole by needle roller circumferential clearance, Jing needle rollers enter flow-guiding mouth with the end face sideshake of back-up ring, and last warp beam is arranged to hole Go out, realize planetary gear friction lubricating and heat exchange；When sun gear is engaged with planetary gear, extruding lubricating oil enters tooth root radial hole Into axial hole, arrange to flexure strip and sun gear and the rubbing surface of flexure strip and sun gear, under the action of the centrifugal force, Jing flexure strips Discharge with sun gear sideshake with sun gear and flexure strip, realize sun gear end-surface friction pair lubrication and heat exchange, sun gear with During planet carrier relative motion, adjustment structure is provided with, input shaft and output shaft are provided with sealing structure, is buffering reversion impact, is provided with Elastic ring pin is reinforced.

This improved planetary reducer simple structure, when in use, this improved planetary reducer one end connects motor, The other end and equipment connection, make the rotary shaft and input shaft connection of motor that kinetic energy is incoming, finally spread out of kinetic energy from output shaft To on equipment；In actual use, two reductors are generally required while being operated to an equipment, this is accomplished by using connection Axle device connects two reductors, and motor drives two reductors to be turned on or off simultaneously, often need to only make in debugging process Worked with a reductor, at this moment cannot just be operated, practicality is relatively low.

Utility model content

In view of the shortcomings of the prior art, this utility model is to provide a kind of reductor, by linkage set is moved, Realize the connection of connecting shaft set and first gear or separate, a reductor job or two reductors can be made while work Purpose, reach lifted practicality purpose.

For achieving the above object, this utility model provides following technical scheme：A kind of reductor, including frame, it is described Frame in be rotatably connected to input shaft, output shaft, intermeshing worm and wheel, institute are rotatably connected in described frame The worm gear stated is connected with output shaft, and described input shaft is covered along the linkage that has been in axial sliding connection of itself, and described linkage set is logical Cross bolt to be fixed on input shaft, described linkage set is engaged with second gear by first gear, described second gear with Worm screw connects, and described first gear is sheathed on input shaft, axially opposing fixation between described first gear and input shaft.

By adopting above-mentioned technical proposal, by the input shaft of two reductors is connected by shaft coupling, will wherein one The input shaft and motor connection of individual reductor, when linkage set is toward the direction movement near first gear, and is connected with first gear, Motor belt motor driven input shaft is rotated, and input shaft drives linkage set to rotate, and allows linkage set to drive first gear to rotate, makes the first tooth Wheel drives output shaft rotation by the effect of second gear, worm gear, worm screw, in the same manner, by the effect of shaft coupling, can make another Individual reductor remains work, when linkage set is separated with first gear, you can power is delivered in first gear, from And output shaft is rotated, and another reductor can keep rotating, it is achieved thereby that a reductor job or two The purpose that individual reductor is worked simultaneously, improves practicality.

This utility model is further arranged to：Described linkage set is radially slided along itself and is connected with positioning bead, described It is placed with elastic component between positioning bead and bolt, on the outer wall of described input shaft, offers the positioning for placement positioning pearl Groove.

It is connected to linkage and puts by adopting above-mentioned technical proposal, bolt thread, when bolt is reduced between positioning bead Apart from when, elastic component can be made to deform upon generation elastic force, by the effect of elastic force, positioning bead can be acted against into locating slot In, make linkage set be difficult along the axial direction of input shaft to be moved, while when mobile linkage set is needed, it is only necessary to which workman is with pulling Dynamic linkage set, positioning bead voluntarily can be removed from a locating slot, be moved in another locating slot, to linkage set positioning, So as to eliminate the complicated processes for frequently turning bolt, production efficiency is improved.

This utility model is further arranged to：Described linkage set is fixed with the first projection towards one end of first gear, The first gear is fixed with the second projection for contradicting with the first projection towards the side of linkage set.

By adopting above-mentioned technical proposal, by by when linkage set is moved toward the direction of close first gear, making first The side wall of projection is fitted with the side wall of the second projection, when linkage set is rotated with the rotation of input shaft, the first projection and the Two projections are contradicted, you can make the first projection drive first gear to rotate by the second projection, when linkage set is toward away from first gear Direction when moving after, linkage set is rotated with the rotation of input shaft, and the first projection is made because being contradicted with the second projection Obtain first gear to rotate.

This utility model is further arranged to：Described linkage set is fixed with gripping disk back to the side of first gear.

Disk is gripped by holding by adopting above-mentioned technical proposal, workman, make gripping disk drive linkage set movement, operation is more For convenient.

This utility model is further arranged to：Several reinforcements are fixed with the inwall of described frame.

The structural strength of frame can be effectively increased, frame is made not by adopting above-mentioned technical proposal, the setting of reinforcement Easily it is damaged.

This utility model is further arranged to：The two ends of described worm screw are connected with frame by bearing.

The rotation of worm screw can be made more steady by adopting the setting of above-mentioned technical proposal, bearing.

This utility model is further arranged to：Offer on the inwall of described frame for placing the receiving that linkage covers Groove.

By adopting above-mentioned technical proposal, when linkage set is moved toward the direction away from first gear, cover can linkage It is placed in holding tank, effectively increases space availability ratio.

In sum, this utility model has the advantages that：

By the input shaft of two reductors by a shaft coupling connection, by motor connection one of input shaft, workman Hold grip disk, promote grip disk, make gripping disk drive linkage set toward near first gear direction move, make the first projection with The side wall laminating of the second projection, when the motor is energized, can make input shaft drive linkage set to rotate, and linkage set drives first gear Rotate, first gear drives second gear to rotate, make second gear drive worm screw to rotate, worm screw drives worm gear wheel, you can make Take-off lever is rotated, and realizes two reductors while rotating；When linkage set is moved toward the direction away from first gear, first is made Projection is separated with the second projection, you can make linkage set that first gear cannot be driven to rotate, so that output shaft cannot be rotated, now Another reductor has reached the purpose of a reductor job, with preferable practicality in work.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is enlarged drawing at the A of Fig. 1.

Reference：1st, frame；11st, bearing；12nd, holding tank；13rd, reinforcement；2nd, input shaft；21st, locating slot；3rd, link Set；31st, screwed hole；32nd, positioning bead；33rd, elastic component；34th, bolt；35th, grip disk；36th, the first projection；4th, first gear；41、 Second projection；5th, second gear；6th, worm screw；7th, worm gear；8th, output shaft；9th, flat key.

Specific embodiment

This utility model is described further referring to figs. 1 to Fig. 2.

As shown in Figure 1 to Figure 2, a kind of reductor, including frame 1, frame 1 are arranged in cuboid, are offered in frame 1 Accommodating chamber, is rotatably connected to the input shaft 2 of a strip in receiving intracavity, and input shaft 2 is located at the middle part of frame 1, and two ends Stretch out from frame 1.

Linkage set 3 is located at the end of input shaft 2, and linkage set 3 is set on input shaft 2, and will linkage by flat key 9 Set 3 is connected with input shaft 2.Alloing linkage to cover 3 cannot be along input shaft along the axial direction generation relative movement of input shaft 2 2 axle center relatively rotate.

Two locating slots 21, axially back and forth row of two locating slots 21 along input shaft 2 are offered on the outer wall of input shaft 2 Row.Two screwed holes 31 are offered on the outer wall of linkage set 3, positioning bead 32, elastic component 33 are sequentially placed in screwed hole 31 With bolt 34.While positioning bead 32 is placed in screwed hole 31, can some be placed in locating slot 21.Elastic component 33 is excellent Elect spring as.

By swivel bolt 34, bolt 34 is made toward the direction movement near positioning bead 32 so that the deformation quantity of elastic component 33 Increase, the elastic force of elastic component 33 increases, by the effect of elastic force, positioning bead 32 can be made to act against the increasing of the power in locating slot 21 Greatly.

Linkage set 3 is fixed with six the first projections 36 towards on the end face inside frame 1, and the first projection 36 is set in cuboid Put, and six the first projections 36 are uniformly distributed along the axle center of linkage set 3, are had certain between two adjacent the first projections 36 Gap.

First gear 4 is set on input shaft 2, enables to produce relative rotation between first gear 4 and input shaft 2, defeated Enter to be fixed with two locating rings on axle 2, two locating rings are respectively placed in into the both sides of first gear 4, make the first gear 4 cannot edge The axial direction for input shaft 2 produces relative movement.Six second projections 41 are fixed with towards the side of linkage set 3 in first gear 4, Six projections are uniformly distributed along the axle center of first gear 4, when linkage set 3 is moved toward the direction of close first gear 4, can The second projection 41 is made to be placed in gap.

Linkage set 3 is fixed with gripping disk 35 away from the end face inside frame 1, offers through hole, make defeated in disk 35 is gripped Enter axle 2 to pass from through hole.

The holding tank 12 of a ring-type is offered on the inwall of frame 1, when linkage set 3 is moved along the axial direction of input shaft 2 When dynamic, linkage set 3 can be made to be placed in holding tank 12, increase space availability ratio.

Two second gears 5 are respectively placed in the left and right sides of first gear 4, and while keep engaging with first gear 4, often The worm screw 6 of a strip is equipped with individual second gear 5, worm screw 6 is connected with second gear 5 by flat key 9, by worm gear 7 Engage with worm screw 6, output shaft 8 is fixedly connected with worm gear 7, enable worm gear 7 to drive output shaft 8 to rotate.Output shaft 8 and worm gear 7 are coaxially disposed.

In order that worm screw 6 and input shaft 2 can stability of rotation, several bearings 11 are embedded with frame 1, by input shaft 2nd, worm screw 6 is arranged in bearing 11, and bearing 11 is placed in input shaft 2, the two ends of worm screw 6.

In order to increase the structural strength of frame 1, several reinforcements 13 are fixed with the inwall of frame 1.

In sum, during use, by input shaft 2 near one end of linkage set 3 and motor connection, hold and grip disk 35, lead to Crossing gripping disk 35 drives linkage set 3 to move, and the second projection 41 is placed in gap, and electric motor starting makes 2 turns of motor belt motor driven input shaft Dynamic, linkage set 3 rotates with the rotation of input shaft 2, is acted on by the conflict of the first projection 36 and the second projection 41, is made First gear 4 rotates with the rotation of linkage set 3, second gear 5 is occurred with the rotation of first gear 4 Rotate, make second gear 5 drive worm screw 6 to rotate, so that worm screw 6 drives worm gear 7 to rotate, make worm gear 7 drive 8 turns of output shaft It is dynamic；After linkage set 3 is moved toward the direction away from first gear 4, first gear 4 is made to separate with linkage set 3, in the same manner, input Axle 2 drives linkage set 3 to rotate, and makes linkage set 3 that first gear 4 cannot be driven to rotate, so that output shaft 8 cannot be rotated.

During debugging, two reductors are generally required while working or making a reductor job.By two Reductor input shaft 2 is connected by shaft coupling away from one end of linkage set 3.As shaft coupling belongs to prior art, the present embodiment In do not repeat.

Input shaft 2 on one of reductor is connected back to one end of shaft coupling, by starting motor, you can make Motor drives two input shafts 2 to rotate simultaneously.When linkage set 3 on the reductor of motor is connected with first gear 4, can be with Two reductors are made while work；When the linkage set 3 on the reductor of motor is separated with first gear 4, this reductor Quit work, and away from the reductor continuous firing of motor.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (7)

1. a kind of reductor, including frame (1), is rotatably connected to input shaft (2), output shaft (8), institute in described frame (1) Intermeshing worm screw (6) and worm gear (7) are rotatably connected in the frame (1) stated, described worm gear (7) is with output shaft (8) even Connect, it is characterized in that：Described input shaft (2) covers (3) along the linkage that has been in axial sliding connection of itself, and described linkage set (3) leads to Cross bolt (34) to be fixed on input shaft (2), described linkage set (3) is engaged with second gear (5) by first gear (4), Described second gear (5) is connected with worm screw (6), and described first gear (4) is sheathed on input shaft (2), and described first Axially opposing fixation between gear (4) and input shaft (2).

2. reductor according to claim 1, is characterized in that：Described linkage set (3) is radially slided along itself and is connected with Positioning bead (32), is placed with elastic component (33) between described positioning bead (32) and bolt (34), described input shaft (2) it is outer The locating slot (21) for placement positioning pearl (32) is offered on wall.

3. reductor according to claim 2, is characterized in that：The one end of described linkage set (3) towards first gear (4) Be fixed with the first projection (36), the first gear (4) towards the side of linkage set (3) be fixed with for the first projection (36) The second projection (41) for contradicting.

4. the reductor according to claim 1 or 2 or 3, is characterized in that：Described linkage set (3) is back to first gear (4) Side be fixed with gripping disk (35).

5. reductor according to claim 4, is characterized in that：Several are fixed with the inwall of described frame (1) to add Strong muscle (13).

6. reductor according to claim 5, is characterized in that：The two ends of described worm screw (6) pass through bearing (11) and machine Frame (1) connects.

7. reductor according to claim 6, is characterized in that：Offer for placing on the inwall of described frame (1) The holding tank (12) of linkage set (3).