CN207921158U - Moment of torsion control shaft coupling - Google Patents

Abstract

The utility model discloses a kind of moment of torsion control shaft coupling, it is related to shaft coupling field, including driving shaft pilot sleeve and driven shaft axle sleeve, it is provided with torque control device between the driving shaft pilot sleeve and driven shaft axle sleeve, the torque control device includes the transition disc connecting seat for being set to driving shaft pilot sleeve lower end, it is provided with transition disc on the transition disc connecting seat, driven shaft axle sleeve lower end be fixed with for the mutually matched torque plate of transition disc, driven shaft axle sleeve upper end is provided with the adjustable pressing device for mutually compressing transition disc and torque plate, it is simple in structure, it is easy for installation, it occupies little space, it being capable of effective protection driving device.

Description

Moment of torsion control shaft coupling

Technical field

The utility model is related to shaft coupling field more particularly to a kind of shaft couplings for capableing of control mode.

Background technology

Shaft coupling is to be allowed to rotate jointly to transmit for two axis (driving shaft and driven shaft) coupled in different institutions The machine components of torque.In the power transmission of high-speed overload, some shaft couplings also have buffering, vibration damping and improve shafting dynamic The effect of energy.Shaft coupling is made of two half parts, is coupled respectively with driving shaft and driven shaft.General engine is mostly by means of connection Axis device is connected with working machine.

Existing shaft coupling is mainly including driving shaft pilot sleeve, driven shaft axle sleeve and terminal pad, during use, due to The difference of load operating condition, the difference in torque of demand is away from larger, once torque is excessive, driving device can be caused to damage or anxious Stop, influences driving device service life.

Application No. is 201620161809.7 utility applications to disclose a kind of mechanical telescopic vehicle-carrying plate mistake The power for crossing device transmits and torque limiting mechanism, including driving motor, the output shaft of driving motor are passed by torque limiter Dynamic to be connected with the drive screw along anterior-posterior horizontal direction, drive screw front end is equipped with fixed block, and torque limiter includes half front axle With rear semiaxis, half front axle is sequentially connected by preceding shaft coupling and drive screw, and rear semiaxis passes through rear shaft coupling and driving motor Output shaft is sequentially connected, and half front axle is equipped with adjusting nut and the frictional disk on rear side of adjusting nut, and adjusting nut screw thread connects It is connected on half front axle, the butterfly spring being set on half front axle is equipped between adjusting nut and frictional disk, first half shaft rear end is equipped with It is in the terminal pad of integral structure with half front axle, the bushing being arranged on half front axle between terminal pad and frictional disk, outside bushing It is arranged with first half sprocket wheel on wall, it is in the later half sprocket wheel of integral structure that rear semiaxis front end, which is equipped with rear semiaxis, first half sprocket wheel and later half The double strand chain that sprocket wheel pastes merga pass circular ring shape is sequentially connected, and rubs before being respectively equipped on the leading flank of first half sprocket wheel and trailing flank Scrubbing pad plate and rear friction backing plate, the rear side rubbing surface of frictional disk contact to form friction pair with preceding friction backing plate leading flank top pressure, even The leading flank and rear friction backing plate trailing flank top pressure for connecing disk contact to form friction pair, transmit torque by frictional disk, pass through friction The upper limit that stiction control mode between disk and friction backing plate is transmitted, facilitates control, while can be effectively protected driving Device, but its is complicated, occupied space is larger, and is inconvenient to install.

Invention content

The purpose of the utility model is to overcome deficiency in the prior art, provide it is a kind of it is simple in structure, easy for installation, account for It is small with space, it is capable of the moment of torsion control shaft coupling of effective protection driving device.

The utility model is achieved through the following technical solutions：A kind of moment of torsion control shaft coupling, including driving shaft pilot sleeve With driven shaft axle sleeve, torque control device, the moment of torsion control dress are provided between the driving shaft pilot sleeve and driven shaft axle sleeve The transition disc connecting seat including being set to driving shaft pilot sleeve lower end is set, transition disc is provided on the transition disc connecting seat, it is described Driven shaft axle sleeve lower end be fixed with for the mutually matched torque plate of transition disc, driven shaft axle sleeve upper end, which is provided with, to be used for The adjustable pressing device that transition disc and torque plate are mutually compressed.

Further, the transition disc connecting seat includes the cylinder type pedestal being coaxially set with driving shaft pilot sleeve, described Pedestal lower end is uniformly provided with 2-4 downward notches, and the notch two side is parallel, and the transition disc is circle, the transition Disk and driving shaft pilot sleeve coaxial line, the transition disc outer rim are provided with the protrusion to match with notch, the transition disc interposition The driven shaft axle sleeve mounting hole being provided with driving shaft pilot sleeve coaxial line is set, driven shaft axle sleeve upper end is pacified across driven shaft axle sleeve Dress hole is connected with adjustable pressing device.

Further, the adjustable pressing device includes the clamp nut for being sleeved on driven shaft axle sleeve upper end, described driven Be provided on the outer wall of axis axle sleeve upper end with the matched screw thread of clamp nut, pressure is provided between the clamp nut and transition disc Plate is provided with elastic component between the pressing plate and clamp nut.

Further, the elastic component is butterfly spring.

Further, the first frictional disk is provided between the pressing plate and transition disc.

Further, driven shaft axle sleeve upper end is splined hole, and driven shaft axle sleeve upper end is connected by splined hole It is useful for that the position-arresting disk of clamp nut turn, the position-arresting disk centre position is prevented to be provided with the spline to match with splined hole Axis, the limit plate edge are provided with the downward ring for being set with clamp nut, the ring inner wall and clamp nut outer wall it Between clearance fit.

Further, it is provided with grommet between the transition disc and driven shaft axle sleeve.

Further, the second frictional disk is provided between the transition disc and torque plate.

Further, the driving shaft pilot sleeve and driven shaft sleeve lining are provided with keyway.

The beneficial effects of the utility model are：Moment of torsion control is arranged between driving shaft pilot sleeve and driven shaft axle sleeve to fill It sets, torque control device is mainly made of transition disc, torque plate, adjustable pressing device, simple in structure, easy for installation；Transition disc It is connect with pedestal by protrusion, structural strength is high, and convenient for installation and maintenance；Adjustable pressing device is mainly by clamp nut, elasticity Part, pressing plate composition, it is simple in structure；First frictional disk is set and the second frictional disk can effectively increase pressing plate and transition disc it Between, the frictional force between rebound and torque plate, while can ensure that moment of torsion control is stablized；Position-arresting disk is set, can adjusted Nut is limited after torque, torque control value is prevented to be changed；Grommet is set, friction mill damage driven shaft can be prevented Axle sleeve.

Description of the drawings

Fig. 1 is 1 main view sectional view schematic diagram of embodiment；

Fig. 2 is that driven shaft axle sleeve structure diagram is intended to；

Fig. 3 is transition disc top view illustration；

Fig. 4 is driving shaft pilot sleeve upward view schematic diagram；

Fig. 5 is position-arresting disk upward view schematic diagram；

Wherein：1- driving shaft pilot sleeves, 2- driven shaft axle sleeves, 3- pedestals, 4- notches, 5- transition discs, 501- protrusions, 6- pressures Plate, 7- grommets, the first frictional disks of 8-, the second frictional disks of 9-, 10- position-arresting disks, 11- splined shafts, 12- rings, 13- keyways, 14- torques Disk, 15- through-holes, 16- clamp nuts, 17- butterfly springs.

Specific implementation mode

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Embodiment 1

As shown in Figs. 1-5, a kind of moment of torsion control shaft coupling, including driving shaft pilot sleeve 1 and driven shaft axle sleeve 2, drive shaft axis Set 1 and 2 inner wall of driven shaft axle sleeve are provided with keyway 13, facilitate key connection drive shaft and driven shaft, driving shaft pilot sleeve 1 and driven shaft Torque control device is installed between axle sleeve 2, can effectively control torque between driving shaft pilot sleeve 1 and driven shaft axle sleeve 2 and pass The upper limit passed, torque control device include the transition disc connecting seat for being integrally attached to 1 lower end of driving shaft pilot sleeve, transition disc connecting seat Including integrally fixed cylinder type pedestal 3,3 lower end of pedestal are uniformly provided with 4 downward notches 4 with driving shaft pilot sleeve coaxial line, 4 two side of notch is parallel, and transition disc 5 is equipped at notch 4, and transition disc 5 is circle, and transition disc 5 and driving shaft pilot sleeve 1 are coaxial Line, 5 outer rim of transition disc are integrally machined the protrusion 501 to match with notch, and 5 centre position of transition disc is provided with and driving shaft pilot sleeve The driven shaft axle sleeve mounting hole of 1 coaxial line, 2 upper end of driven shaft axle sleeve are connected with adjustable compression dress across driven shaft axle sleeve mounting hole It sets, adjustable pressing device includes the clamp nut 16 for being sleeved on driven shaft axle sleeve upper end, is processed on 2 upper end outer wall of driven shaft axle sleeve Have with 16 matched screw thread of clamp nut, pressing plate 6 is installed between clamp nut 16 and transition disc 5, pressing plate 6 is circular ring shape, Pressing plate 6 is sleeved on driven shaft axle sleeve outer 2, and elastic component is equipped between pressing plate 6 and clamp nut 16, and elastic component is driven to be sleeved on Butterfly spring 17 outside axis axle sleeve is equipped with the first frictional disk 8,2 lower end of driven shaft axle sleeve one between pressing plate 6 and transition disc 5 Be fixed with for the mutually matched torque plate 14 of transition disc, the second frictional disk is also equipped between transition disc 5 and torque plate 14 9, grommet 7 is further sleeved with outside driven shaft axle sleeve 2, the first frictional disk 8, transition disc 5, the second frictional disk 9 are sleeved on outside grommet 7, Facilitate the gap between the first frictional disk 8 of adjustment, transition disc 5, the second frictional disk 9 and driven shaft axle sleeve 2, additionally it is possible to prevent plowing from Driven shaft axle sleeve outer wall.

2 upper end of driven shaft axle sleeve is splined hole, and driven shaft axle sleeve upper end is connected with by splined hole for preventing from compressing spiral shell The position-arresting disk 10 of female turn, 10 centre position of position-arresting disk are fixed with the splined shaft 11 to match with splined hole, the number of teeth of splined shaft It is 60 or 90, can ensures that torque degree of regulation, 11 centre position of splined shaft are that can not change structure to lower through-hole 15 Mitigate weight in the case of intensity, 10 edge of position-arresting disk is integrally fixed with the downward ring 12 for being set with clamp nut, ring 12 Clearance fit between 16 outer wall of inner wall and clamp nut installs position-arresting disk 10, can avoid clamp nut and driven shaft axle sleeve it Between relatively rotate, avoid critical torque from freeing variation, if infinite place disk, when driven shaft axle sleeve rotates, clamp nut is first It is not rotated under the frictional force of frictional disk, the gap between clamp nut and transition disc becomes larger or becomes smaller at this time, if become smaller, faces Boundary's torque will increase, and driving part is caused to damage.

The operation principle of the present embodiment is as follows：First cast driving shaft pilot sleeve and driven shaft axle sleeve, wherein driving shaft pilot sleeve, base Seat, notch are integrally formed, and driven shaft axle sleeve, transition disc disk are integrally formed, and can ensure structural strength, while keeping overall structure simple It is single, it maintains easily, in driven shaft axle sleeve upper end inwall processing spline, forms splined hole, outer wall processes spiral shell in driven shaft upper end Second frictional disk, transition disc, the first frictional disk, grommet, pressing plate, butterfly spring, clamp nut are first mounted on driven shaft axis by line It puts on, adjusts clamp nut to the torque maximum that can be transmitted between transition disc and driven shaft axle sleeve and meet the requirements, then pacify Position-arresting disk is filled, the splined shaft of position-arresting disk is installed in splined hole, and position-arresting disk and driven shaft axle sleeve relative rotation, ring set is avoided to be mounted in Outside clamp nut, clamp nut and position-arresting disk relative rotation are avoided, to avoid driven shaft axle sleeve and clamp nut relative rotation, During use, moreover it is possible to clamp nut is limited by pin or jackscrew, but continuous pin hole is needed out using pin, It can damaged screw using jackscrew.Drive shaft and driven shaft are installed on corresponding axle sleeve after installation is complete by each component by key respectively It is interior, then moment of torsion control shaft coupling is connect with the cooperation of notch by protrusion, the relative position between two axle sleeves is adjusted, causes The jitter values of transmission meet the requirements, and start to work normally.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (9)

1. a kind of moment of torsion control shaft coupling, including driving shaft pilot sleeve and driven shaft axle sleeve, it is characterised in that：The driving shaft pilot sleeve Torque control device is provided between driven shaft axle sleeve, the torque control device includes being set to driving shaft pilot sleeve lower end Transition disc connecting seat, is provided with transition disc on the transition disc connecting seat, driven shaft axle sleeve lower end be fixed with for mistake Cross the mutually matched torque plate of disk, driven shaft axle sleeve upper end be provided with for by transition disc and torque plate mutually compress can Adjust pressing device.

2. moment of torsion control shaft coupling according to claim 1, it is characterised in that：The transition disc connecting seat includes and driving The cylinder type pedestal that axis axle sleeve is coaxially set, the pedestal lower end are uniformly provided with 2-4 downward notches, the notch both sides Wall is parallel, and the transition disc is circle, the transition disc and driving shaft pilot sleeve coaxial line, and the transition disc outer rim is provided with and slot The protrusion that mouth matches, the transition disc centre position is provided with the driven shaft axle sleeve mounting hole with driving shaft pilot sleeve coaxial line, institute It states driven shaft axle sleeve upper end and is connected with adjustable pressing device across driven shaft axle sleeve mounting hole.

3. moment of torsion control shaft coupling according to claim 1 or 2, it is characterised in that：The adjustable pressing device includes set Clamp nut mounted in driven shaft axle sleeve upper end is provided on the outer wall of driven shaft axle sleeve upper end matched with clamp nut Screw thread is provided with pressing plate, elastic component is provided between the pressing plate and clamp nut between the clamp nut and transition disc.

4. moment of torsion control shaft coupling according to claim 3, it is characterised in that：The elastic component is butterfly spring.

5. moment of torsion control shaft coupling according to claim 3, it is characterised in that：It is provided between the pressing plate and transition disc First frictional disk.

6. moment of torsion control shaft coupling according to claim 3, it is characterised in that：Driven shaft axle sleeve upper end is spline Hole, driven shaft axle sleeve upper end are connected with the position-arresting disk for preventing clamp nut turn, the position-arresting disk by splined hole Centre position is provided with the splined shaft to match with splined hole, and the limit plate edge is provided with the downward suit that is used for and compresses spiral shell Female ring, clearance fit between the ring inner wall and clamp nut outer wall.

7. moment of torsion control shaft coupling according to claim 1, it is characterised in that：Between the transition disc and driven shaft axle sleeve It is provided with grommet.

8. moment of torsion control shaft coupling according to claim 1, it is characterised in that：It is arranged between the transition disc and torque plate There is the second frictional disk.

9. moment of torsion control shaft coupling according to claim 1, it is characterised in that：The driving shaft pilot sleeve and driven shaft axle sleeve Inner wall is provided with keyway.